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d7a9644e | 1 | /* Compiler driver program that can handle many languages. |
fbd26352 | 2 | Copyright (C) 1987-2019 Free Software Foundation, Inc. |
d7a9644e | 3 | |
f12b58b3 | 4 | This file is part of GCC. |
d7a9644e | 5 | |
f12b58b3 | 6 | GCC is free software; you can redistribute it and/or modify it under |
7 | the terms of the GNU General Public License as published by the Free | |
8c4c00c1 | 8 | Software Foundation; either version 3, or (at your option) any later |
f12b58b3 | 9 | version. |
d7a9644e | 10 | |
f12b58b3 | 11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | for more details. | |
d7a9644e | 15 | |
16 | You should have received a copy of the GNU General Public License | |
8c4c00c1 | 17 | along with GCC; see the file COPYING3. If not see |
3d70fb39 | 18 | <http://www.gnu.org/licenses/>. */ |
d7a9644e | 19 | |
20 | /* This program is the user interface to the C compiler and possibly to | |
21 | other compilers. It is used because compilation is a complicated procedure | |
22 | which involves running several programs and passing temporary files between | |
23 | them, forwarding the users switches to those programs selectively, | |
24 | and deleting the temporary files at the end. | |
25 | ||
26 | CC recognizes how to compile each input file by suffixes in the file names. | |
27 | Once it knows which kind of compilation to perform, the procedure for | |
28 | compilation is specified by a string called a "spec". */ | |
7014838c | 29 | |
0dbd1c74 | 30 | #include "config.h" |
405711de | 31 | #include "system.h" |
805e22b2 | 32 | #include "coretypes.h" |
0a2326d6 | 33 | #include "multilib.h" /* before tm.h */ |
805e22b2 | 34 | #include "tm.h" |
9b1f316f | 35 | #include "xregex.h" |
fe8833f8 | 36 | #include "obstack.h" |
be2828ce | 37 | #include "intl.h" |
7bcdc3c7 | 38 | #include "prefix.h" |
2abdff38 | 39 | #include "opt-suggestions.h" |
7f0b0c27 | 40 | #include "gcc.h" |
460b8bb3 | 41 | #include "diagnostic.h" |
a6a0d17a | 42 | #include "flags.h" |
a1baa5f1 | 43 | #include "opts.h" |
90336809 | 44 | #include "params.h" |
82715bcd | 45 | #include "filenames.h" |
b279775f | 46 | #include "spellcheck.h" |
4ee8d66a | 47 | |
26a4a13d | 48 | \f |
49 | ||
50 | /* Manage the manipulation of env vars. | |
51 | ||
52 | We poison "getenv" and "putenv", so that all enviroment-handling is | |
53 | done through this class. Note that poisoning happens in the | |
54 | preprocessor at the identifier level, and doesn't distinguish between | |
55 | env.getenv (); | |
56 | and | |
57 | getenv (); | |
58 | Hence we need to use "get" for the accessor method, not "getenv". */ | |
59 | ||
251317e4 | 60 | struct env_manager |
26a4a13d | 61 | { |
62 | public: | |
63 | void init (bool can_restore, bool debug); | |
64 | const char *get (const char *name); | |
65 | void xput (const char *string); | |
66 | void restore (); | |
67 | ||
68 | private: | |
69 | bool m_can_restore; | |
70 | bool m_debug; | |
71 | struct kv | |
72 | { | |
73 | char *m_key; | |
74 | char *m_value; | |
75 | }; | |
76 | vec<kv> m_keys; | |
77 | ||
78 | }; | |
79 | ||
80 | /* The singleton instance of class env_manager. */ | |
81 | ||
82 | static env_manager env; | |
83 | ||
84 | /* Initializer for class env_manager. | |
85 | ||
86 | We can't do this as a constructor since we have a statically | |
87 | allocated instance ("env" above). */ | |
88 | ||
89 | void | |
90 | env_manager::init (bool can_restore, bool debug) | |
91 | { | |
92 | m_can_restore = can_restore; | |
93 | m_debug = debug; | |
94 | } | |
95 | ||
96 | /* Get the value of NAME within the environment. Essentially | |
97 | a wrapper for ::getenv, but adding logging, and the possibility | |
98 | of caching results. */ | |
99 | ||
100 | const char * | |
101 | env_manager::get (const char *name) | |
102 | { | |
103 | const char *result = ::getenv (name); | |
104 | if (m_debug) | |
105 | fprintf (stderr, "env_manager::getenv (%s) -> %s\n", name, result); | |
106 | return result; | |
107 | } | |
108 | ||
109 | /* Put the given KEY=VALUE entry STRING into the environment. | |
110 | If the env_manager was initialized with CAN_RESTORE set, then | |
111 | also record the old value of KEY within the environment, so that it | |
112 | can be later restored. */ | |
113 | ||
114 | void | |
115 | env_manager::xput (const char *string) | |
116 | { | |
117 | if (m_debug) | |
118 | fprintf (stderr, "env_manager::xput (%s)\n", string); | |
119 | if (verbose_flag) | |
120 | fnotice (stderr, "%s\n", string); | |
121 | ||
122 | if (m_can_restore) | |
123 | { | |
124 | char *equals = strchr (const_cast <char *> (string), '='); | |
125 | gcc_assert (equals); | |
126 | ||
127 | struct kv kv; | |
965a654d | 128 | kv.m_key = xstrndup (string, equals - string); |
26a4a13d | 129 | const char *cur_value = ::getenv (kv.m_key); |
130 | if (m_debug) | |
131 | fprintf (stderr, "saving old value: %s\n",cur_value); | |
132 | kv.m_value = cur_value ? xstrdup (cur_value) : NULL; | |
133 | m_keys.safe_push (kv); | |
134 | } | |
135 | ||
136 | ::putenv (CONST_CAST (char *, string)); | |
137 | } | |
138 | ||
139 | /* Undo any xputenv changes made since last restore. | |
140 | Can only be called if the env_manager was initialized with | |
141 | CAN_RESTORE enabled. */ | |
142 | ||
143 | void | |
144 | env_manager::restore () | |
145 | { | |
146 | unsigned int i; | |
147 | struct kv *item; | |
148 | ||
149 | gcc_assert (m_can_restore); | |
150 | ||
151 | FOR_EACH_VEC_ELT_REVERSE (m_keys, i, item) | |
152 | { | |
153 | if (m_debug) | |
154 | printf ("restoring saved key: %s value: %s\n", item->m_key, item->m_value); | |
155 | if (item->m_value) | |
156 | ::setenv (item->m_key, item->m_value, 1); | |
157 | else | |
158 | ::unsetenv (item->m_key); | |
159 | free (item->m_key); | |
160 | free (item->m_value); | |
161 | } | |
162 | ||
163 | m_keys.truncate (0); | |
164 | } | |
165 | ||
166 | /* Forbid other uses of getenv and putenv. */ | |
167 | #if (GCC_VERSION >= 3000) | |
168 | #pragma GCC poison getenv putenv | |
169 | #endif | |
170 | ||
171 | \f | |
172 | ||
10f57222 | 173 | /* By default there is no special suffix for target executables. */ |
7c6be860 | 174 | #ifdef TARGET_EXECUTABLE_SUFFIX |
10f57222 | 175 | #define HAVE_TARGET_EXECUTABLE_SUFFIX |
7c6be860 | 176 | #else |
177 | #define TARGET_EXECUTABLE_SUFFIX "" | |
d7a9644e | 178 | #endif |
99b832c9 | 179 | |
10f57222 | 180 | /* By default there is no special suffix for host executables. */ |
181 | #ifdef HOST_EXECUTABLE_SUFFIX | |
182 | #define HAVE_HOST_EXECUTABLE_SUFFIX | |
9ec04dd9 | 183 | #else |
10f57222 | 184 | #define HOST_EXECUTABLE_SUFFIX "" |
185 | #endif | |
186 | ||
187 | /* By default, the suffix for target object files is ".o". */ | |
188 | #ifdef TARGET_OBJECT_SUFFIX | |
189 | #define HAVE_TARGET_OBJECT_SUFFIX | |
190 | #else | |
191 | #define TARGET_OBJECT_SUFFIX ".o" | |
499a0933 | 192 | #endif |
193 | ||
e99c3a1d | 194 | static const char dir_separator_str[] = { DIR_SEPARATOR, 0 }; |
b9374a77 | 195 | |
397f1574 | 196 | /* Most every one is fine with LIBRARY_PATH. For some, it conflicts. */ |
197 | #ifndef LIBRARY_PATH_ENV | |
198 | #define LIBRARY_PATH_ENV "LIBRARY_PATH" | |
199 | #endif | |
200 | ||
d7a9644e | 201 | /* If a stage of compilation returns an exit status >= 1, |
202 | compilation of that file ceases. */ | |
203 | ||
204 | #define MIN_FATAL_STATUS 1 | |
205 | ||
258d3911 | 206 | /* Flag set by cppspec.c to 1. */ |
207 | int is_cpp_driver; | |
208 | ||
80777cd8 | 209 | /* Flag set to nonzero if an @file argument has been supplied to gcc. */ |
c159e0b7 | 210 | static bool at_file_supplied; |
211 | ||
4a0e2d42 | 212 | /* Definition of string containing the arguments given to configure. */ |
213 | #include "configargs.h" | |
214 | ||
8ace789a | 215 | /* Flag saying to print the command line options understood by gcc and its |
216 | sub-processes. */ | |
217 | ||
218 | static int print_help_list; | |
219 | ||
39932bd2 | 220 | /* Flag saying to print the version of gcc and its sub-processes. */ |
221 | ||
222 | static int print_version; | |
223 | ||
6e8a18d1 | 224 | /* Flag that stores string prefix for which we provide bash completion. */ |
225 | ||
226 | static const char *completion = NULL; | |
227 | ||
74e4079a | 228 | /* Flag indicating whether we should ONLY print the command and |
229 | arguments (like verbose_flag) without executing the command. | |
230 | Displayed arguments are quoted so that the generated command | |
231 | line is suitable for execution. This is intended for use in | |
232 | shell scripts to capture the driver-generated command line. */ | |
233 | static int verbose_only_flag; | |
234 | ||
87c75316 | 235 | /* Flag indicating how to print command line options of sub-processes. */ |
7a6882ca | 236 | |
87c75316 | 237 | static int print_subprocess_help; |
7a6882ca | 238 | |
c75e4990 | 239 | /* Linker suffix passed to -fuse-ld=... */ |
240 | static const char *use_ld; | |
241 | ||
4537c5d9 | 242 | /* Whether we should report subprocess execution times to a file. */ |
243 | ||
244 | FILE *report_times_to_file = NULL; | |
245 | ||
805e22b2 | 246 | /* Nonzero means place this string before uses of /, so that include |
247 | and library files can be found in an alternate location. */ | |
248 | ||
d68c6656 | 249 | #ifdef TARGET_SYSTEM_ROOT |
26a4a13d | 250 | #define DEFAULT_TARGET_SYSTEM_ROOT (TARGET_SYSTEM_ROOT) |
d68c6656 | 251 | #else |
26a4a13d | 252 | #define DEFAULT_TARGET_SYSTEM_ROOT (0) |
d68c6656 | 253 | #endif |
26a4a13d | 254 | static const char *target_system_root = DEFAULT_TARGET_SYSTEM_ROOT; |
805e22b2 | 255 | |
17acc97a | 256 | /* Nonzero means pass the updated target_system_root to the compiler. */ |
257 | ||
258 | static int target_system_root_changed; | |
259 | ||
4ea70922 | 260 | /* Nonzero means append this string to target_system_root. */ |
261 | ||
262 | static const char *target_sysroot_suffix = 0; | |
263 | ||
264 | /* Nonzero means append this string to target_system_root for headers. */ | |
265 | ||
266 | static const char *target_sysroot_hdrs_suffix = 0; | |
267 | ||
d7a9644e | 268 | /* Nonzero means write "temp" files in source directory |
269 | and use the source file's name in them, and don't delete them. */ | |
270 | ||
cc92bc82 | 271 | static enum save_temps { |
272 | SAVE_TEMPS_NONE, /* no -save-temps */ | |
273 | SAVE_TEMPS_CWD, /* -save-temps in current directory */ | |
274 | SAVE_TEMPS_OBJ /* -save-temps in object directory */ | |
275 | } save_temps_flag; | |
276 | ||
277 | /* Output file to use to get the object directory for -save-temps=obj */ | |
278 | static char *save_temps_prefix = 0; | |
279 | static size_t save_temps_length = 0; | |
d7a9644e | 280 | |
4dd56bd9 | 281 | /* The compiler version. */ |
d7a9644e | 282 | |
e772a198 | 283 | static const char *compiler_version; |
4dd56bd9 | 284 | |
cf93b7e8 | 285 | /* The target version. */ |
4dd56bd9 | 286 | |
3443e1be | 287 | static const char *const spec_version = DEFAULT_TARGET_VERSION; |
d7a9644e | 288 | |
cf93b7e8 | 289 | /* The target machine. */ |
d7a9644e | 290 | |
e40d43cc | 291 | static const char *spec_machine = DEFAULT_TARGET_MACHINE; |
77415571 | 292 | static const char *spec_host_machine = DEFAULT_REAL_TARGET_MACHINE; |
d7a9644e | 293 | |
daa8f58f | 294 | /* List of offload targets. Separated by colon. Empty string for |
295 | -foffload=disable. */ | |
38e21583 | 296 | |
297 | static char *offload_targets = NULL; | |
298 | ||
a45072dd | 299 | /* Nonzero if cross-compiling. |
300 | When -b is used, the value comes from the `specs' file. */ | |
301 | ||
29d774d0 | 302 | #ifdef CROSS_DIRECTORY_STRUCTURE |
e772a198 | 303 | static const char *cross_compile = "1"; |
a45072dd | 304 | #else |
e772a198 | 305 | static const char *cross_compile = "0"; |
a45072dd | 306 | #endif |
307 | ||
155b05dc | 308 | /* Greatest exit code of sub-processes that has been encountered up to |
309 | now. */ | |
310 | static int greatest_status = 1; | |
311 | ||
d7a9644e | 312 | /* This is the obstack which we use to allocate many strings. */ |
313 | ||
314 | static struct obstack obstack; | |
315 | ||
8894538a | 316 | /* This is the obstack to build an environment variable to pass to |
4bbea254 | 317 | collect2 that describes all of the relevant switches of what to |
8894538a | 318 | pass the compiler in building the list of pointers to constructors |
319 | and destructors. */ | |
320 | ||
321 | static struct obstack collect_obstack; | |
322 | ||
cbc3c863 | 323 | /* Forward declaration for prototypes. */ |
324 | struct path_prefix; | |
42bbc7e6 | 325 | struct prefix_list; |
cbc3c863 | 326 | |
952f0048 | 327 | static void init_spec (void); |
328 | static void store_arg (const char *, int, int); | |
0bfd146e | 329 | static void insert_wrapper (const char *); |
952f0048 | 330 | static char *load_specs (const char *); |
556cfe53 | 331 | static void read_specs (const char *, bool, bool); |
332 | static void set_spec (const char *, const char *, bool); | |
952f0048 | 333 | static struct compiler *lookup_compiler (const char *, size_t, const char *); |
067277c3 | 334 | static char *build_search_list (const struct path_prefix *, const char *, |
335 | bool, bool); | |
e8105390 | 336 | static void xputenv (const char *); |
067277c3 | 337 | static void putenv_from_prefixes (const struct path_prefix *, const char *, |
338 | bool); | |
952f0048 | 339 | static int access_check (const char *, int); |
067277c3 | 340 | static char *find_a_file (const struct path_prefix *, const char *, int, bool); |
952f0048 | 341 | static void add_prefix (struct path_prefix *, const char *, const char *, |
2af84186 | 342 | int, int, int); |
952f0048 | 343 | static void add_sysrooted_prefix (struct path_prefix *, const char *, |
2af84186 | 344 | const char *, int, int, int); |
952f0048 | 345 | static char *skip_whitespace (char *); |
346 | static void delete_if_ordinary (const char *); | |
347 | static void delete_temp_files (void); | |
348 | static void delete_failure_queue (void); | |
349 | static void clear_failure_queue (void); | |
350 | static int check_live_switch (int, int); | |
351 | static const char *handle_braces (const char *); | |
352 | static inline bool input_suffix_matches (const char *, const char *); | |
353 | static inline bool switch_matches (const char *, const char *, int); | |
354 | static inline void mark_matching_switches (const char *, const char *, int); | |
355 | static inline void process_marked_switches (void); | |
356 | static const char *process_brace_body (const char *, const char *, const char *, int, int); | |
357 | static const struct spec_function *lookup_spec_function (const char *); | |
c834ef92 | 358 | static const char *eval_spec_function (const char *, const char *, const char *); |
359 | static const char *handle_spec_function (const char *, bool *, const char *); | |
952f0048 | 360 | static char *save_string (const char *, int); |
361 | static void set_collect_gcc_options (void); | |
362 | static int do_spec_1 (const char *, int, const char *); | |
c834ef92 | 363 | static int do_spec_2 (const char *, const char *); |
952f0048 | 364 | static void do_option_spec (const char *, const char *); |
365 | static void do_self_spec (const char *); | |
366 | static const char *find_file (const char *); | |
067277c3 | 367 | static int is_directory (const char *, bool); |
556cfe53 | 368 | static const char *validate_switches (const char *, bool); |
952f0048 | 369 | static void validate_all_switches (void); |
556cfe53 | 370 | static inline void validate_switches_from_spec (const char *, bool); |
952f0048 | 371 | static void give_switch (int, int); |
952f0048 | 372 | static int default_arg (const char *, int); |
373 | static void set_multilib_dir (void); | |
374 | static void print_multilib_info (void); | |
952f0048 | 375 | static void display_help (void); |
376 | static void add_preprocessor_option (const char *, int); | |
377 | static void add_assembler_option (const char *, int); | |
378 | static void add_linker_option (const char *, int); | |
e62df35b | 379 | static void process_command (unsigned int, struct cl_decoded_option *); |
952f0048 | 380 | static int execute (void); |
381 | static void alloc_args (void); | |
382 | static void clear_args (void); | |
a922df2e | 383 | static void fatal_signal (int); |
ecbfdc87 | 384 | #if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC) |
952f0048 | 385 | static void init_gcc_specs (struct obstack *, const char *, const char *, |
386 | const char *); | |
b51d5c7c | 387 | #endif |
7e6b5e54 | 388 | #if defined(HAVE_TARGET_OBJECT_SUFFIX) || defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
952f0048 | 389 | static const char *convert_filename (const char *, int, int); |
7e6b5e54 | 390 | #endif |
c21b3276 | 391 | |
d3faa4b6 | 392 | static void try_generate_repro (const char **argv); |
0305c755 | 393 | static const char *getenv_spec_function (int, const char **); |
952f0048 | 394 | static const char *if_exists_spec_function (int, const char **); |
395 | static const char *if_exists_else_spec_function (int, const char **); | |
9e46467d | 396 | static const char *sanitize_spec_function (int, const char **); |
2288041e | 397 | static const char *replace_outfile_spec_function (int, const char **); |
8127ab5d | 398 | static const char *remove_outfile_spec_function (int, const char **); |
9b1f316f | 399 | static const char *version_compare_spec_function (int, const char **); |
1e8e9920 | 400 | static const char *include_spec_function (int, const char **); |
19bc000d | 401 | static const char *find_file_spec_function (int, const char **); |
d6bff3e6 | 402 | static const char *find_plugindir_spec_function (int, const char **); |
ceac8e8c | 403 | static const char *print_asm_header_spec_function (int, const char **); |
71278019 | 404 | static const char *compare_debug_dump_opt_spec_function (int, const char **); |
405 | static const char *compare_debug_self_opt_spec_function (int, const char **); | |
406 | static const char *compare_debug_auxbase_opt_spec_function (int, const char **); | |
280f8649 | 407 | static const char *pass_through_libs_spec_func (int, const char **); |
b35329c7 | 408 | static const char *replace_extension_spec_func (int, const char **); |
1b316d69 | 409 | static const char *greater_than_spec_func (int, const char **); |
14234f77 | 410 | static const char *debug_level_greater_than_spec_func (int, const char **); |
f052211c | 411 | static const char *find_fortran_preinclude_file (int, const char **); |
40c059b1 | 412 | static char *convert_white_space (char *); |
d7a9644e | 413 | \f |
833a5c07 | 414 | /* The Specs Language |
415 | ||
416 | Specs are strings containing lines, each of which (if not blank) | |
d7a9644e | 417 | is made up of a program name, and arguments separated by spaces. |
418 | The program name must be exact and start from root, since no path | |
419 | is searched and it is unreliable to depend on the current working directory. | |
420 | Redirection of input or output is not supported; the subprograms must | |
421 | accept filenames saying what files to read and write. | |
422 | ||
423 | In addition, the specs can contain %-sequences to substitute variable text | |
424 | or for conditional text. Here is a table of all defined %-sequences. | |
425 | Note that spaces are not generated automatically around the results of | |
426 | expanding these sequences; therefore, you can concatenate them together | |
427 | or with constant text in a single argument. | |
428 | ||
429 | %% substitute one % into the program name or argument. | |
430 | %i substitute the name of the input file being processed. | |
431 | %b substitute the basename of the input file being processed. | |
432 | This is the substring up to (and not including) the last period | |
cc92bc82 | 433 | and not including the directory unless -save-temps was specified |
d7ee9e9b | 434 | to put temporaries in a different location. |
1cf79a1a | 435 | %B same as %b, but include the file suffix (text after the last period). |
c78c5ee7 | 436 | %gSUFFIX |
437 | substitute a file name that has suffix SUFFIX and is chosen | |
438 | once per compilation, and mark the argument a la %d. To reduce | |
439 | exposure to denial-of-service attacks, the file name is now | |
440 | chosen in a way that is hard to predict even when previously | |
441 | chosen file names are known. For example, `%g.s ... %g.o ... %g.s' | |
442 | might turn into `ccUVUUAU.s ccXYAXZ12.o ccUVUUAU.s'. SUFFIX matches | |
b78b6a05 | 443 | the regexp "[.0-9A-Za-z]*%O"; "%O" is treated exactly as if it |
2c2aaf10 | 444 | had been pre-processed. Previously, %g was simply substituted |
445 | with a file name chosen once per compilation, without regard | |
446 | to any appended suffix (which was therefore treated just like | |
447 | ordinary text), making such attacks more likely to succeed. | |
805e22b2 | 448 | %|SUFFIX |
449 | like %g, but if -pipe is in effect, expands simply to "-". | |
450 | %mSUFFIX | |
451 | like %g, but if -pipe is in effect, expands to nothing. (We have both | |
452 | %| and %m to accommodate differences between system assemblers; see | |
453 | the AS_NEEDS_DASH_FOR_PIPED_INPUT target macro.) | |
c78c5ee7 | 454 | %uSUFFIX |
455 | like %g, but generates a new temporary file name even if %uSUFFIX | |
456 | was already seen. | |
457 | %USUFFIX | |
458 | substitutes the last file name generated with %uSUFFIX, generating a | |
459 | new one if there is no such last file name. In the absence of any | |
460 | %uSUFFIX, this is just like %gSUFFIX, except they don't share | |
461 | the same suffix "space", so `%g.s ... %U.s ... %g.s ... %U.s' | |
462 | would involve the generation of two distinct file names, one | |
463 | for each `%g.s' and another for each `%U.s'. Previously, %U was | |
464 | simply substituted with a file name chosen for the previous %u, | |
465 | without regard to any appended suffix. | |
655a58fa | 466 | %jSUFFIX |
467 | substitutes the name of the HOST_BIT_BUCKET, if any, and if it is | |
468 | writable, and if save-temps is off; otherwise, substitute the name | |
469 | of a temporary file, just like %u. This temporary file is not | |
470 | meant for communication between processes, but rather as a junk | |
471 | disposal mechanism. | |
bdbd5352 | 472 | %.SUFFIX |
473 | substitutes .SUFFIX for the suffixes of a matched switch's args when | |
474 | it is subsequently output with %*. SUFFIX is terminated by the next | |
475 | space or %. | |
d7a9644e | 476 | %d marks the argument containing or following the %d as a |
47ae02b7 | 477 | temporary file name, so that file will be deleted if GCC exits |
d7a9644e | 478 | successfully. Unlike %g, this contributes no text to the argument. |
479 | %w marks the argument containing or following the %w as the | |
480 | "output file" of this compilation. This puts the argument | |
481 | into the sequence of arguments that %o will substitute later. | |
573aba85 | 482 | %V indicates that this compilation produces no "output file". |
d7a9644e | 483 | %W{...} |
39bc186e | 484 | like %{...} but marks the last argument supplied within as a file |
485 | to be deleted on failure. | |
486 | %@{...} | |
487 | like %{...} but puts the result into a FILE and substitutes @FILE | |
488 | if an @file argument has been supplied. | |
d7a9644e | 489 | %o substitutes the names of all the output files, with spaces |
490 | automatically placed around them. You should write spaces | |
491 | around the %o as well or the results are undefined. | |
492 | %o is for use in the specs for running the linker. | |
493 | Input files whose names have no recognized suffix are not compiled | |
494 | at all, but they are included among the output files, so they will | |
495 | be linked. | |
c78c5ee7 | 496 | %O substitutes the suffix for object files. Note that this is |
2c2aaf10 | 497 | handled specially when it immediately follows %g, %u, or %U |
498 | (with or without a suffix argument) because of the need for | |
499 | those to form complete file names. The handling is such that | |
500 | %O is treated exactly as if it had already been substituted, | |
501 | except that %g, %u, and %U do not currently support additional | |
502 | SUFFIX characters following %O as they would following, for | |
503 | example, `.o'. | |
17acc97a | 504 | %I Substitute any of -iprefix (made from GCC_EXEC_PREFIX), -isysroot |
72779020 | 505 | (made from TARGET_SYSTEM_ROOT), -isystem (made from COMPILER_PATH |
506 | and -B options) and -imultilib as necessary. | |
d7a9644e | 507 | %s current argument is the name of a library or startup file of some sort. |
508 | Search for that file in a standard list of directories | |
509 | and substitute the full name found. | |
510 | %eSTR Print STR as an error message. STR is terminated by a newline. | |
511 | Use this when inconsistent options are detected. | |
edc2a478 | 512 | %nSTR Print STR as a notice. STR is terminated by a newline. |
d7a9644e | 513 | %x{OPTION} Accumulate an option for %X. |
514 | %X Output the accumulated linker options specified by compilations. | |
69587571 | 515 | %Y Output the accumulated assembler options specified by compilations. |
391d9b6e | 516 | %Z Output the accumulated preprocessor options specified by compilations. |
d7a9644e | 517 | %a process ASM_SPEC as a spec. |
518 | This allows config.h to specify part of the spec for running as. | |
519 | %A process ASM_FINAL_SPEC as a spec. A capital A is actually | |
520 | used here. This can be used to run a post-processor after the | |
9e042f31 | 521 | assembler has done its job. |
b9374a77 | 522 | %D Dump out a -L option for each directory in startfile_prefixes. |
9577d478 | 523 | If multilib_dir is set, extra entries are generated with it affixed. |
d7a9644e | 524 | %l process LINK_SPEC as a spec. |
525 | %L process LIB_SPEC as a spec. | |
c93570ad | 526 | %M Output multilib_os_dir. |
b7c87ff2 | 527 | %G process LIBGCC_SPEC as a spec. |
b6bcc48f | 528 | %R Output the concatenation of target_system_root and |
529 | target_sysroot_suffix. | |
d7a9644e | 530 | %S process STARTFILE_SPEC as a spec. A capital S is actually used here. |
531 | %E process ENDFILE_SPEC as a spec. A capital E is actually used here. | |
43198b29 | 532 | %C process CPP_SPEC as a spec. |
d7a9644e | 533 | %1 process CC1_SPEC as a spec. |
534 | %2 process CC1PLUS_SPEC as a spec. | |
535 | %* substitute the variable part of a matched option. (See below.) | |
536 | Note that each comma in the substituted string is replaced by | |
1d9ad37b | 537 | a single space. A space is appended after the last substition |
538 | unless there is more text in current sequence. | |
805e22b2 | 539 | %<S remove all occurrences of -S from the command line. |
540 | Note - this command is position dependent. % commands in the | |
541 | spec string before this one will see -S, % commands in the | |
542 | spec string after this one will not. | |
5c1421d7 | 543 | %>S Similar to "%<S", but keep it in the GCC command line. |
805e22b2 | 544 | %<S* remove all occurrences of all switches beginning with -S from the |
545 | command line. | |
c21b3276 | 546 | %:function(args) |
547 | Call the named function FUNCTION, passing it ARGS. ARGS is | |
548 | first processed as a nested spec string, then split into an | |
549 | argument vector in the usual fashion. The function returns | |
550 | a string which is processed as if it had appeared literally | |
551 | as part of the current spec. | |
c68bcf58 | 552 | %{S} substitutes the -S switch, if that switch was given to GCC. |
d7a9644e | 553 | If that switch was not specified, this substitutes nothing. |
554 | Here S is a metasyntactic variable. | |
c68bcf58 | 555 | %{S*} substitutes all the switches specified to GCC whose names start |
e1478c0f | 556 | with -S. This is used for -o, -I, etc; switches that take |
c68bcf58 | 557 | arguments. GCC considers `-o foo' as being one switch whose |
d7a9644e | 558 | name starts with `o'. %{o*} would substitute this text, |
559 | including the space; thus, two arguments would be generated. | |
e1478c0f | 560 | %{S*&T*} likewise, but preserve order of S and T options (the order |
952f0048 | 561 | of S and T in the spec is not significant). Can be any number |
562 | of ampersand-separated variables; for each the wild card is | |
563 | optional. Useful for CPP as %{D*&U*&A*}. | |
805e22b2 | 564 | |
c68bcf58 | 565 | %{S:X} substitutes X, if the -S switch was given to GCC. |
566 | %{!S:X} substitutes X, if the -S switch was NOT given to GCC. | |
805e22b2 | 567 | %{S*:X} substitutes X if one or more switches whose names start |
c68bcf58 | 568 | with -S was given to GCC. Normally X is substituted only |
805e22b2 | 569 | once, no matter how many such switches appeared. However, |
570 | if %* appears somewhere in X, then X will be substituted | |
571 | once for each matching switch, with the %* replaced by the | |
1d9ad37b | 572 | part of that switch that matched the '*'. A space will be |
573 | appended after the last substition unless there is more | |
574 | text in current sequence. | |
805e22b2 | 575 | %{.S:X} substitutes X, if processing a file with suffix S. |
576 | %{!.S:X} substitutes X, if NOT processing a file with suffix S. | |
90e35d1a | 577 | %{,S:X} substitutes X, if processing a file which will use spec S. |
578 | %{!,S:X} substitutes X, if NOT processing a file which will use spec S. | |
d7ee9e9b | 579 | |
c68bcf58 | 580 | %{S|T:X} substitutes X if either -S or -T was given to GCC. This may be |
90e35d1a | 581 | combined with '!', '.', ',', and '*' as above binding stronger |
582 | than the OR. | |
805e22b2 | 583 | If %* appears in X, all of the alternatives must be starred, and |
584 | only the first matching alternative is substituted. | |
9e46467d | 585 | %{%:function(args):X} |
586 | Call function named FUNCTION with args ARGS. If the function | |
587 | returns non-NULL, then X is substituted, if it returns | |
588 | NULL, it isn't substituted. | |
c68bcf58 | 589 | %{S:X; if S was given to GCC, substitutes X; |
590 | T:Y; else if T was given to GCC, substitutes Y; | |
805e22b2 | 591 | :D} else substitutes D. There can be as many clauses as you need. |
90e35d1a | 592 | This may be combined with '.', '!', ',', '|', and '*' as above. |
805e22b2 | 593 | |
8894538a | 594 | %(Spec) processes a specification defined in a specs file as *Spec: |
d7a9644e | 595 | |
5639fdcc | 596 | The switch matching text S in a %{S}, %{S:X}, or similar construct can use |
597 | a backslash to ignore the special meaning of the character following it, | |
598 | thus allowing literal matching of a character that is otherwise specially | |
599 | treated. For example, %{std=iso9899\:1999:X} substitutes X if the | |
600 | -std=iso9899:1999 option is given. | |
601 | ||
805e22b2 | 602 | The conditional text X in a %{S:X} or similar construct may contain |
d7a9644e | 603 | other nested % constructs or spaces, or even newlines. They are |
805e22b2 | 604 | processed as usual, as described above. Trailing white space in X is |
605 | ignored. White space may also appear anywhere on the left side of the | |
606 | colon in these constructs, except between . or * and the corresponding | |
607 | word. | |
d7a9644e | 608 | |
b35329c7 | 609 | The -O, -f, -g, -m, and -W switches are handled specifically in these |
cde688ab | 610 | constructs. If another value of -O or the negated form of a -f, -m, or |
611 | -W switch is found later in the command line, the earlier switch | |
d870e215 | 612 | value is ignored, except with {S*} where S is just one letter; this |
613 | passes all matching options. | |
cde688ab | 614 | |
ae70654c | 615 | The character | at the beginning of the predicate text is used to indicate |
616 | that a command should be piped to the following command, but only if -pipe | |
617 | is specified. | |
d7a9644e | 618 | |
c68bcf58 | 619 | Note that it is built into GCC which switches take arguments and which |
d7a9644e | 620 | do not. You might think it would be useful to generalize this to |
621 | allow each compiler's spec to say which switches take arguments. But | |
c68bcf58 | 622 | this cannot be done in a consistent fashion. GCC cannot even decide |
d7a9644e | 623 | which input files have been specified without knowing which switches |
624 | take arguments, and it must know which input files to compile in order | |
625 | to tell which compilers to run. | |
626 | ||
c68bcf58 | 627 | GCC also knows implicitly that arguments starting in `-l' are to be |
d7a9644e | 628 | treated as compiler output files, and passed to the linker in their |
629 | proper position among the other output files. */ | |
630 | \f | |
537c4bc6 | 631 | /* Define the macros used for specs %a, %l, %L, %S, %C, %1. */ |
d7a9644e | 632 | |
633 | /* config.h can define ASM_SPEC to provide extra args to the assembler | |
634 | or extra switch-translations. */ | |
635 | #ifndef ASM_SPEC | |
636 | #define ASM_SPEC "" | |
637 | #endif | |
638 | ||
639 | /* config.h can define ASM_FINAL_SPEC to run a post processor after | |
640 | the assembler has run. */ | |
641 | #ifndef ASM_FINAL_SPEC | |
b35329c7 | 642 | #define ASM_FINAL_SPEC \ |
643 | "%{gsplit-dwarf: \n\ | |
644 | objcopy --extract-dwo \ | |
645 | %{c:%{o*:%*}%{!o*:%b%O}}%{!c:%U%O} \ | |
646 | %{c:%{o*:%:replace-extension(%{o*:%*} .dwo)}%{!o*:%b.dwo}}%{!c:%b.dwo} \n\ | |
647 | objcopy --strip-dwo \ | |
648 | %{c:%{o*:%*}%{!o*:%b%O}}%{!c:%U%O} \ | |
649 | }" | |
d7a9644e | 650 | #endif |
651 | ||
652 | /* config.h can define CPP_SPEC to provide extra args to the C preprocessor | |
653 | or extra switch-translations. */ | |
654 | #ifndef CPP_SPEC | |
655 | #define CPP_SPEC "" | |
656 | #endif | |
657 | ||
658 | /* config.h can define CC1_SPEC to provide extra args to cc1 and cc1plus | |
659 | or extra switch-translations. */ | |
660 | #ifndef CC1_SPEC | |
661 | #define CC1_SPEC "" | |
662 | #endif | |
663 | ||
664 | /* config.h can define CC1PLUS_SPEC to provide extra args to cc1plus | |
665 | or extra switch-translations. */ | |
666 | #ifndef CC1PLUS_SPEC | |
667 | #define CC1PLUS_SPEC "" | |
668 | #endif | |
669 | ||
670 | /* config.h can define LINK_SPEC to provide extra args to the linker | |
671 | or extra switch-translations. */ | |
672 | #ifndef LINK_SPEC | |
673 | #define LINK_SPEC "" | |
674 | #endif | |
675 | ||
676 | /* config.h can define LIB_SPEC to override the default libraries. */ | |
677 | #ifndef LIB_SPEC | |
b7c87ff2 | 678 | #define LIB_SPEC "%{!shared:%{g*:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}}" |
679 | #endif | |
680 | ||
48b14f50 | 681 | /* When using -fsplit-stack we need to wrap pthread_create, in order |
682 | to initialize the stack guard. We always use wrapping, rather than | |
683 | shared library ordering, and we keep the wrapper function in | |
684 | libgcc. This is not yet a real spec, though it could become one; | |
685 | it is currently just stuffed into LINK_SPEC. FIXME: This wrapping | |
b1c06ff9 | 686 | only works with GNU ld and gold. */ |
e97f880e | 687 | #ifdef HAVE_GOLD_NON_DEFAULT_SPLIT_STACK |
688 | #define STACK_SPLIT_SPEC " %{fsplit-stack: -fuse-ld=gold --wrap=pthread_create}" | |
689 | #else | |
48b14f50 | 690 | #define STACK_SPLIT_SPEC " %{fsplit-stack: --wrap=pthread_create}" |
e97f880e | 691 | #endif |
48b14f50 | 692 | |
6db5160a | 693 | #ifndef LIBASAN_SPEC |
30ded303 | 694 | #define STATIC_LIBASAN_LIBS \ |
647b98e8 | 695 | " %{static-libasan|static:%:include(libsanitizer.spec)%(link_libasan)}" |
53486a83 | 696 | #ifdef LIBASAN_EARLY_SPEC |
30ded303 | 697 | #define LIBASAN_SPEC STATIC_LIBASAN_LIBS |
53486a83 | 698 | #elif defined(HAVE_LD_STATIC_DYNAMIC) |
6db5160a | 699 | #define LIBASAN_SPEC "%{static-libasan:" LD_STATIC_OPTION \ |
6aea389d | 700 | "} -lasan %{static-libasan:" LD_DYNAMIC_OPTION "}" \ |
30ded303 | 701 | STATIC_LIBASAN_LIBS |
6db5160a | 702 | #else |
30ded303 | 703 | #define LIBASAN_SPEC "-lasan" STATIC_LIBASAN_LIBS |
6db5160a | 704 | #endif |
705 | #endif | |
706 | ||
53486a83 | 707 | #ifndef LIBASAN_EARLY_SPEC |
708 | #define LIBASAN_EARLY_SPEC "" | |
709 | #endif | |
710 | ||
b077695d | 711 | #ifndef LIBTSAN_SPEC |
30ded303 | 712 | #define STATIC_LIBTSAN_LIBS \ |
647b98e8 | 713 | " %{static-libtsan|static:%:include(libsanitizer.spec)%(link_libtsan)}" |
5f13745b | 714 | #ifdef LIBTSAN_EARLY_SPEC |
30ded303 | 715 | #define LIBTSAN_SPEC STATIC_LIBTSAN_LIBS |
5f13745b | 716 | #elif defined(HAVE_LD_STATIC_DYNAMIC) |
b077695d | 717 | #define LIBTSAN_SPEC "%{static-libtsan:" LD_STATIC_OPTION \ |
5f13745b | 718 | "} -ltsan %{static-libtsan:" LD_DYNAMIC_OPTION "}" \ |
30ded303 | 719 | STATIC_LIBTSAN_LIBS |
b077695d | 720 | #else |
30ded303 | 721 | #define LIBTSAN_SPEC "-ltsan" STATIC_LIBTSAN_LIBS |
5f13745b | 722 | #endif |
b077695d | 723 | #endif |
5f13745b | 724 | |
725 | #ifndef LIBTSAN_EARLY_SPEC | |
726 | #define LIBTSAN_EARLY_SPEC "" | |
b077695d | 727 | #endif |
728 | ||
f8ff4a27 | 729 | #ifndef LIBLSAN_SPEC |
30ded303 | 730 | #define STATIC_LIBLSAN_LIBS \ |
647b98e8 | 731 | " %{static-liblsan|static:%:include(libsanitizer.spec)%(link_liblsan)}" |
baf369d7 | 732 | #ifdef LIBLSAN_EARLY_SPEC |
733 | #define LIBLSAN_SPEC STATIC_LIBLSAN_LIBS | |
734 | #elif defined(HAVE_LD_STATIC_DYNAMIC) | |
735 | #define LIBLSAN_SPEC "%{static-liblsan:" LD_STATIC_OPTION \ | |
f8ff4a27 | 736 | "} -llsan %{static-liblsan:" LD_DYNAMIC_OPTION "}" \ |
baf369d7 | 737 | STATIC_LIBLSAN_LIBS |
f8ff4a27 | 738 | #else |
baf369d7 | 739 | #define LIBLSAN_SPEC "-llsan" STATIC_LIBLSAN_LIBS |
f8ff4a27 | 740 | #endif |
741 | #endif | |
742 | ||
baf369d7 | 743 | #ifndef LIBLSAN_EARLY_SPEC |
744 | #define LIBLSAN_EARLY_SPEC "" | |
745 | #endif | |
746 | ||
9e46467d | 747 | #ifndef LIBUBSAN_SPEC |
30ded303 | 748 | #define STATIC_LIBUBSAN_LIBS \ |
647b98e8 | 749 | " %{static-libubsan|static:%:include(libsanitizer.spec)%(link_libubsan)}" |
f8ff4a27 | 750 | #ifdef HAVE_LD_STATIC_DYNAMIC |
9e46467d | 751 | #define LIBUBSAN_SPEC "%{static-libubsan:" LD_STATIC_OPTION \ |
752 | "} -lubsan %{static-libubsan:" LD_DYNAMIC_OPTION "}" \ | |
30ded303 | 753 | STATIC_LIBUBSAN_LIBS |
9e46467d | 754 | #else |
30ded303 | 755 | #define LIBUBSAN_SPEC "-lubsan" STATIC_LIBUBSAN_LIBS |
9e46467d | 756 | #endif |
757 | #endif | |
758 | ||
4185c905 | 759 | /* Linker options for compressed debug sections. */ |
760 | #if HAVE_LD_COMPRESS_DEBUG == 0 | |
761 | /* No linker support. */ | |
762 | #define LINK_COMPRESS_DEBUG_SPEC \ | |
763 | " %{gz*:%e-gz is not supported in this configuration} " | |
764 | #elif HAVE_LD_COMPRESS_DEBUG == 1 | |
765 | /* GNU style on input, GNU ld options. Reject, not useful. */ | |
766 | #define LINK_COMPRESS_DEBUG_SPEC \ | |
767 | " %{gz*:%e-gz is not supported in this configuration} " | |
768 | #elif HAVE_LD_COMPRESS_DEBUG == 2 | |
769 | /* GNU style, GNU gold options. */ | |
770 | #define LINK_COMPRESS_DEBUG_SPEC \ | |
771 | " %{gz|gz=zlib-gnu:" LD_COMPRESS_DEBUG_OPTION "=zlib}" \ | |
772 | " %{gz=none:" LD_COMPRESS_DEBUG_OPTION "=none}" \ | |
773 | " %{gz=zlib:%e-gz=zlib is not supported in this configuration} " | |
774 | #elif HAVE_LD_COMPRESS_DEBUG == 3 | |
775 | /* ELF gABI style. */ | |
776 | #define LINK_COMPRESS_DEBUG_SPEC \ | |
777 | " %{gz|gz=zlib:" LD_COMPRESS_DEBUG_OPTION "=zlib}" \ | |
778 | " %{gz=none:" LD_COMPRESS_DEBUG_OPTION "=none}" \ | |
779 | " %{gz=zlib-gnu:" LD_COMPRESS_DEBUG_OPTION "=zlib-gnu} " | |
780 | #else | |
781 | #error Unknown value for HAVE_LD_COMPRESS_DEBUG. | |
782 | #endif | |
783 | ||
b7c87ff2 | 784 | /* config.h can define LIBGCC_SPEC to override how and when libgcc.a is |
785 | included. */ | |
786 | #ifndef LIBGCC_SPEC | |
ecbfdc87 | 787 | #if defined(REAL_LIBGCC_SPEC) |
788 | #define LIBGCC_SPEC REAL_LIBGCC_SPEC | |
03829d4a | 789 | #elif defined(LINK_LIBGCC_SPECIAL_1) |
b7c87ff2 | 790 | /* Have gcc do the search for libgcc.a. */ |
21eaebc3 | 791 | #define LIBGCC_SPEC "libgcc.a%s" |
b7c87ff2 | 792 | #else |
21eaebc3 | 793 | #define LIBGCC_SPEC "-lgcc" |
b7c87ff2 | 794 | #endif |
d7a9644e | 795 | #endif |
796 | ||
797 | /* config.h can define STARTFILE_SPEC to override the default crt0 files. */ | |
798 | #ifndef STARTFILE_SPEC | |
799 | #define STARTFILE_SPEC \ | |
995c1b4d | 800 | "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}" |
d7a9644e | 801 | #endif |
802 | ||
d7a9644e | 803 | /* config.h can define ENDFILE_SPEC to override the default crtn files. */ |
804 | #ifndef ENDFILE_SPEC | |
805 | #define ENDFILE_SPEC "" | |
806 | #endif | |
807 | ||
0c787992 | 808 | #ifndef LINKER_NAME |
809 | #define LINKER_NAME "collect2" | |
810 | #endif | |
811 | ||
5f1f2de5 | 812 | #ifdef HAVE_AS_DEBUG_PREFIX_MAP |
813 | #define ASM_MAP " %{fdebug-prefix-map=*:--debug-prefix-map %*}" | |
814 | #else | |
815 | #define ASM_MAP "" | |
816 | #endif | |
817 | ||
4185c905 | 818 | /* Assembler options for compressed debug sections. */ |
819 | #if HAVE_LD_COMPRESS_DEBUG < 2 | |
820 | /* Reject if the linker cannot write compressed debug sections. */ | |
821 | #define ASM_COMPRESS_DEBUG_SPEC \ | |
822 | " %{gz*:%e-gz is not supported in this configuration} " | |
823 | #else /* HAVE_LD_COMPRESS_DEBUG >= 2 */ | |
824 | #if HAVE_AS_COMPRESS_DEBUG == 0 | |
825 | /* No assembler support. Ignore silently. */ | |
826 | #define ASM_COMPRESS_DEBUG_SPEC \ | |
827 | " %{gz*:} " | |
828 | #elif HAVE_AS_COMPRESS_DEBUG == 1 | |
829 | /* GNU style, GNU as options. */ | |
830 | #define ASM_COMPRESS_DEBUG_SPEC \ | |
831 | " %{gz|gz=zlib-gnu:" AS_COMPRESS_DEBUG_OPTION "}" \ | |
832 | " %{gz=none:" AS_NO_COMPRESS_DEBUG_OPTION "}" \ | |
833 | " %{gz=zlib:%e-gz=zlib is not supported in this configuration} " | |
834 | #elif HAVE_AS_COMPRESS_DEBUG == 2 | |
835 | /* ELF gABI style. */ | |
836 | #define ASM_COMPRESS_DEBUG_SPEC \ | |
837 | " %{gz|gz=zlib:" AS_COMPRESS_DEBUG_OPTION "=zlib}" \ | |
838 | " %{gz=none:" AS_COMPRESS_DEBUG_OPTION "=none}" \ | |
839 | " %{gz=zlib-gnu:" AS_COMPRESS_DEBUG_OPTION "=zlib-gnu} " | |
840 | #else | |
841 | #error Unknown value for HAVE_AS_COMPRESS_DEBUG. | |
842 | #endif | |
843 | #endif /* HAVE_LD_COMPRESS_DEBUG >= 2 */ | |
844 | ||
1a6f9700 | 845 | /* Define ASM_DEBUG_SPEC to be a spec suitable for translating '-g' |
846 | to the assembler. */ | |
847 | #ifndef ASM_DEBUG_SPEC | |
82505826 | 848 | # if defined(DBX_DEBUGGING_INFO) && defined(DWARF2_DEBUGGING_INFO) \ |
849 | && defined(HAVE_AS_GDWARF2_DEBUG_FLAG) && defined(HAVE_AS_GSTABS_DEBUG_FLAG) | |
5f1f2de5 | 850 | # define ASM_DEBUG_SPEC \ |
851 | (PREFERRED_DEBUGGING_TYPE == DBX_DEBUG \ | |
14234f77 | 852 | ? "%{%:debug-level-gt(0):" \ |
853 | "%{gdwarf*:--gdwarf2}%{!gdwarf*:%{g*:--gstabs}}}" ASM_MAP \ | |
854 | : "%{%:debug-level-gt(0):" \ | |
855 | "%{gstabs*:--gstabs}%{!gstabs*:%{g*:--gdwarf2}}}" ASM_MAP) | |
82505826 | 856 | # else |
857 | # if defined(DBX_DEBUGGING_INFO) && defined(HAVE_AS_GSTABS_DEBUG_FLAG) | |
14234f77 | 858 | # define ASM_DEBUG_SPEC "%{g*:%{%:debug-level-gt(0):--gstabs}}" ASM_MAP |
82505826 | 859 | # endif |
860 | # if defined(DWARF2_DEBUGGING_INFO) && defined(HAVE_AS_GDWARF2_DEBUG_FLAG) | |
14234f77 | 861 | # define ASM_DEBUG_SPEC "%{g*:%{%:debug-level-gt(0):--gdwarf2}}" ASM_MAP |
1a6f9700 | 862 | # endif |
1a6f9700 | 863 | # endif |
864 | #endif | |
a6a0d17a | 865 | #ifndef ASM_DEBUG_SPEC |
866 | # define ASM_DEBUG_SPEC "" | |
867 | #endif | |
1a6f9700 | 868 | |
1cf79a1a | 869 | /* Here is the spec for running the linker, after compiling all files. */ |
870 | ||
da98d114 | 871 | /* This is overridable by the target in case they need to specify the |
872 | -lgcc and -lc order specially, yet not require them to override all | |
873 | of LINK_COMMAND_SPEC. */ | |
874 | #ifndef LINK_GCC_C_SEQUENCE_SPEC | |
0e4340b2 | 875 | #define LINK_GCC_C_SEQUENCE_SPEC "%G %{!nolibc:%L %G}" |
da98d114 | 876 | #endif |
877 | ||
0d55f4d0 | 878 | #ifndef LINK_SSP_SPEC |
879 | #ifdef TARGET_LIBC_PROVIDES_SSP | |
f1c9126b | 880 | #define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ |
881 | "|fstack-protector-strong|fstack-protector-explicit:}" | |
0d55f4d0 | 882 | #else |
f1c9126b | 883 | #define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ |
884 | "|fstack-protector-strong|fstack-protector-explicit" \ | |
885 | ":-lssp_nonshared -lssp}" | |
0d55f4d0 | 886 | #endif |
887 | #endif | |
888 | ||
e9abca4f | 889 | #ifdef ENABLE_DEFAULT_PIE |
5a402d64 | 890 | #define PIE_SPEC "!no-pie" |
e9abca4f | 891 | #define NO_FPIE1_SPEC "fno-pie" |
892 | #define FPIE1_SPEC NO_FPIE1_SPEC ":;" | |
893 | #define NO_FPIE2_SPEC "fno-PIE" | |
894 | #define FPIE2_SPEC NO_FPIE2_SPEC ":;" | |
895 | #define NO_FPIE_SPEC NO_FPIE1_SPEC "|" NO_FPIE2_SPEC | |
896 | #define FPIE_SPEC NO_FPIE_SPEC ":;" | |
897 | #define NO_FPIC1_SPEC "fno-pic" | |
898 | #define FPIC1_SPEC NO_FPIC1_SPEC ":;" | |
899 | #define NO_FPIC2_SPEC "fno-PIC" | |
900 | #define FPIC2_SPEC NO_FPIC2_SPEC ":;" | |
901 | #define NO_FPIC_SPEC NO_FPIC1_SPEC "|" NO_FPIC2_SPEC | |
902 | #define FPIC_SPEC NO_FPIC_SPEC ":;" | |
903 | #define NO_FPIE1_AND_FPIC1_SPEC NO_FPIE1_SPEC "|" NO_FPIC1_SPEC | |
904 | #define FPIE1_OR_FPIC1_SPEC NO_FPIE1_AND_FPIC1_SPEC ":;" | |
905 | #define NO_FPIE2_AND_FPIC2_SPEC NO_FPIE2_SPEC "|" NO_FPIC2_SPEC | |
906 | #define FPIE2_OR_FPIC2_SPEC NO_FPIE2_AND_FPIC2_SPEC ":;" | |
907 | #define NO_FPIE_AND_FPIC_SPEC NO_FPIE_SPEC "|" NO_FPIC_SPEC | |
908 | #define FPIE_OR_FPIC_SPEC NO_FPIE_AND_FPIC_SPEC ":;" | |
909 | #else | |
910 | #define PIE_SPEC "pie" | |
e9abca4f | 911 | #define FPIE1_SPEC "fpie" |
912 | #define NO_FPIE1_SPEC FPIE1_SPEC ":;" | |
913 | #define FPIE2_SPEC "fPIE" | |
914 | #define NO_FPIE2_SPEC FPIE2_SPEC ":;" | |
915 | #define FPIE_SPEC FPIE1_SPEC "|" FPIE2_SPEC | |
916 | #define NO_FPIE_SPEC FPIE_SPEC ":;" | |
917 | #define FPIC1_SPEC "fpic" | |
918 | #define NO_FPIC1_SPEC FPIC1_SPEC ":;" | |
919 | #define FPIC2_SPEC "fPIC" | |
920 | #define NO_FPIC2_SPEC FPIC2_SPEC ":;" | |
921 | #define FPIC_SPEC FPIC1_SPEC "|" FPIC2_SPEC | |
922 | #define NO_FPIC_SPEC FPIC_SPEC ":;" | |
923 | #define FPIE1_OR_FPIC1_SPEC FPIE1_SPEC "|" FPIC1_SPEC | |
924 | #define NO_FPIE1_AND_FPIC1_SPEC FPIE1_OR_FPIC1_SPEC ":;" | |
925 | #define FPIE2_OR_FPIC2_SPEC FPIE2_SPEC "|" FPIC2_SPEC | |
926 | #define NO_FPIE2_AND_FPIC2_SPEC FPIE1_OR_FPIC2_SPEC ":;" | |
927 | #define FPIE_OR_FPIC_SPEC FPIE_SPEC "|" FPIC_SPEC | |
928 | #define NO_FPIE_AND_FPIC_SPEC FPIE_OR_FPIC_SPEC ":;" | |
929 | #endif | |
930 | ||
c3ce66b0 | 931 | #ifndef LINK_PIE_SPEC |
932 | #ifdef HAVE_LD_PIE | |
80fc7cb7 | 933 | #ifndef LD_PIE_SPEC |
e9abca4f | 934 | #define LD_PIE_SPEC "-pie" |
80fc7cb7 | 935 | #endif |
c3ce66b0 | 936 | #else |
e9abca4f | 937 | #define LD_PIE_SPEC "" |
c3ce66b0 | 938 | #endif |
5a402d64 | 939 | #define LINK_PIE_SPEC "%{static|shared|r:;" PIE_SPEC ":" LD_PIE_SPEC "} " |
c3ce66b0 | 940 | #endif |
941 | ||
8271b966 | 942 | #ifndef LINK_BUILDID_SPEC |
943 | # if defined(HAVE_LD_BUILDID) && defined(ENABLE_LD_BUILDID) | |
944 | # define LINK_BUILDID_SPEC "%{!r:--build-id} " | |
945 | # endif | |
946 | #endif | |
947 | ||
c5f741b3 | 948 | /* Conditional to test whether the LTO plugin is used or not. |
0f8cfb36 | 949 | FIXME: For slim LTO we will need to enable plugin unconditionally. This |
950 | still cause problems with PLUGIN_LD != LD and when plugin is built but | |
951 | not useable. For GCC 4.6 we don't support slim LTO and thus we can enable | |
952 | plugin only when LTO is enabled. We still honor explicit | |
c5f741b3 | 953 | -fuse-linker-plugin if the linker used understands -plugin. */ |
954 | ||
955 | /* The linker has some plugin support. */ | |
956 | #if HAVE_LTO_PLUGIN > 0 | |
957 | /* The linker used has full plugin support, use LTO plugin by default. */ | |
958 | #if HAVE_LTO_PLUGIN == 2 | |
958d7687 | 959 | #define PLUGIN_COND "!fno-use-linker-plugin:%{!fno-lto" |
0f8cfb36 | 960 | #define PLUGIN_COND_CLOSE "}" |
de4d280b | 961 | #else |
c5f741b3 | 962 | /* The linker used has limited plugin support, use LTO plugin with explicit |
963 | -fuse-linker-plugin. */ | |
de4d280b | 964 | #define PLUGIN_COND "fuse-linker-plugin" |
0f8cfb36 | 965 | #define PLUGIN_COND_CLOSE "" |
de4d280b | 966 | #endif |
c5f741b3 | 967 | #define LINK_PLUGIN_SPEC \ |
f03df321 | 968 | "%{" PLUGIN_COND": \ |
c5f741b3 | 969 | -plugin %(linker_plugin_file) \ |
970 | -plugin-opt=%(lto_wrapper) \ | |
971 | -plugin-opt=-fresolution=%u.res \ | |
278cec16 | 972 | %{flinker-output=*:-plugin-opt=-linker-output-known} \ |
c5f741b3 | 973 | %{!nostdlib:%{!nodefaultlibs:%:pass-through-libs(%(link_gcc_c_sequence))}} \ |
f03df321 | 974 | }" PLUGIN_COND_CLOSE |
c5f741b3 | 975 | #else |
976 | /* The linker used doesn't support -plugin, reject -fuse-linker-plugin. */ | |
977 | #define LINK_PLUGIN_SPEC "%{fuse-linker-plugin:\ | |
978 | %e-fuse-linker-plugin is not supported in this configuration}" | |
979 | #endif | |
de4d280b | 980 | |
5f13745b | 981 | /* Linker command line options for -fsanitize= early on the command line. */ |
982 | #ifndef SANITIZER_EARLY_SPEC | |
983 | #define SANITIZER_EARLY_SPEC "\ | |
32398841 | 984 | %{!nostdlib:%{!r:%{!nodefaultlibs:%{%:sanitize(address):" LIBASAN_EARLY_SPEC "} \ |
baf369d7 | 985 | %{%:sanitize(thread):" LIBTSAN_EARLY_SPEC "} \ |
32398841 | 986 | %{%:sanitize(leak):" LIBLSAN_EARLY_SPEC "}}}}" |
5f13745b | 987 | #endif |
988 | ||
989 | /* Linker command line options for -fsanitize= late on the command line. */ | |
990 | #ifndef SANITIZER_SPEC | |
991 | #define SANITIZER_SPEC "\ | |
32398841 | 992 | %{!nostdlib:%{!r:%{!nodefaultlibs:%{%:sanitize(address):" LIBASAN_SPEC "\ |
3e1dd01e | 993 | %{static:%ecannot specify -static with -fsanitize=address}}\ |
9e46467d | 994 | %{%:sanitize(thread):" LIBTSAN_SPEC "\ |
9bb6ab3b | 995 | %{static:%ecannot specify -static with -fsanitize=thread}}\ |
1aef015c | 996 | %{%:sanitize(undefined):" LIBUBSAN_SPEC "}\ |
32398841 | 997 | %{%:sanitize(leak):" LIBLSAN_SPEC "}}}}" |
5f13745b | 998 | #endif |
8271b966 | 999 | |
0ed9e37f | 1000 | #ifndef POST_LINK_SPEC |
1001 | #define POST_LINK_SPEC "" | |
1002 | #endif | |
1003 | ||
b710ec85 | 1004 | /* This is the spec to use, once the code for creating the vtable |
1005 | verification runtime library, libvtv.so, has been created. Currently | |
1006 | the vtable verification runtime functions are in libstdc++, so we use | |
1007 | the spec just below this one. */ | |
1008 | #ifndef VTABLE_VERIFICATION_SPEC | |
940c7236 | 1009 | #if ENABLE_VTABLE_VERIFY |
b710ec85 | 1010 | #define VTABLE_VERIFICATION_SPEC "\ |
32398841 | 1011 | %{!nostdlib:%{!r:%{fvtable-verify=std: -lvtv -u_vtable_map_vars_start -u_vtable_map_vars_end}\ |
1012 | %{fvtable-verify=preinit: -lvtv -u_vtable_map_vars_start -u_vtable_map_vars_end}}}" | |
940c7236 | 1013 | #else |
1014 | #define VTABLE_VERIFICATION_SPEC "\ | |
1015 | %{fvtable-verify=none:} \ | |
1016 | %{fvtable-verify=std: \ | |
1017 | %e-fvtable-verify=std is not supported in this configuration} \ | |
1018 | %{fvtable-verify=preinit: \ | |
1019 | %e-fvtable-verify=preinit is not supported in this configuration}" | |
1020 | #endif | |
b710ec85 | 1021 | #endif |
1022 | ||
1cf79a1a | 1023 | /* -u* was put back because both BSD and SysV seem to support it. */ |
6d1ab23d | 1024 | /* %{static|no-pie|static-pie:} simply prevents an error message: |
5a402d64 | 1025 | 1. If the target machine doesn't handle -static. |
1026 | 2. If PIE isn't enabled by default. | |
6d1ab23d | 1027 | 3. If the target machine doesn't handle -static-pie. |
5a402d64 | 1028 | */ |
1cf79a1a | 1029 | /* We want %{T*} after %{L*} and %D so that it can be used to specify linker |
1030 | scripts which exist in user specified directories, or in standard | |
1031 | directories. */ | |
cbcf2791 | 1032 | /* We pass any -flto flags on to the linker, which is expected |
7bfefa9d | 1033 | to understand them. In practice, this means it had better be collect2. */ |
455188e9 | 1034 | /* %{e*} includes -export-dynamic; see comment in common.opt. */ |
1cf79a1a | 1035 | #ifndef LINK_COMMAND_SPEC |
1036 | #define LINK_COMMAND_SPEC "\ | |
1037 | %{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\ | |
c5f741b3 | 1038 | %(linker) " \ |
1039 | LINK_PLUGIN_SPEC \ | |
5f13745b | 1040 | "%{flto|flto=*:%<fcompare-debug*} \ |
07879720 | 1041 | %{flto} %{fno-lto} %{flto=*} %l " LINK_PIE_SPEC \ |
4185c905 | 1042 | "%{fuse-ld=*:-fuse-ld=%*} " LINK_COMPRESS_DEBUG_SPEC \ |
1043 | "%X %{o*} %{e*} %{N} %{n} %{r}\ | |
32398841 | 1044 | %{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!r:%{!nostartfiles:%S}}} \ |
39bc186e | 1045 | %{static|no-pie|static-pie:} %@{L*} %(mfwrap) %(link_libgcc) " \ |
1e42d5c6 | 1046 | VTABLE_VERIFICATION_SPEC " " SANITIZER_EARLY_SPEC " %o "" \ |
5814ddcd | 1047 | %{fopenacc|fopenmp|%:gt(%{ftree-parallelize-loops=*:%*} 1):\ |
1b316d69 | 1048 | %:include(libgomp.spec)%(link_gomp)}\ |
9a8d01ee | 1049 | %{fgnu-tm:%:include(libitm.spec)%(link_itm)}\ |
48b14f50 | 1050 | %(mflib) " STACK_SPLIT_SPEC "\ |
5f13745b | 1051 | %{fprofile-arcs|fprofile-generate*|coverage:-lgcov} " SANITIZER_SPEC " \ |
32398841 | 1052 | %{!nostdlib:%{!r:%{!nodefaultlibs:%(link_ssp) %(link_gcc_c_sequence)}}}\ |
1053 | %{!nostdlib:%{!r:%{!nostartfiles:%E}}} %{T*} \n%(post_link) }}}}}}" | |
1cf79a1a | 1054 | #endif |
1055 | ||
1056 | #ifndef LINK_LIBGCC_SPEC | |
03829d4a | 1057 | /* Generate -L options for startfile prefix list. */ |
1058 | # define LINK_LIBGCC_SPEC "%D" | |
1cf79a1a | 1059 | #endif |
1060 | ||
4ae4e5e8 | 1061 | #ifndef STARTFILE_PREFIX_SPEC |
1062 | # define STARTFILE_PREFIX_SPEC "" | |
1063 | #endif | |
1064 | ||
b6bcc48f | 1065 | #ifndef SYSROOT_SPEC |
1066 | # define SYSROOT_SPEC "--sysroot=%R" | |
1067 | #endif | |
1068 | ||
4ea70922 | 1069 | #ifndef SYSROOT_SUFFIX_SPEC |
1070 | # define SYSROOT_SUFFIX_SPEC "" | |
1071 | #endif | |
1072 | ||
1073 | #ifndef SYSROOT_HEADERS_SUFFIX_SPEC | |
1074 | # define SYSROOT_HEADERS_SUFFIX_SPEC "" | |
1075 | #endif | |
1076 | ||
5641963c | 1077 | static const char *asm_debug = ASM_DEBUG_SPEC; |
e772a198 | 1078 | static const char *cpp_spec = CPP_SPEC; |
e772a198 | 1079 | static const char *cc1_spec = CC1_SPEC; |
1080 | static const char *cc1plus_spec = CC1PLUS_SPEC; | |
da98d114 | 1081 | static const char *link_gcc_c_sequence_spec = LINK_GCC_C_SEQUENCE_SPEC; |
0d55f4d0 | 1082 | static const char *link_ssp_spec = LINK_SSP_SPEC; |
e772a198 | 1083 | static const char *asm_spec = ASM_SPEC; |
1084 | static const char *asm_final_spec = ASM_FINAL_SPEC; | |
1085 | static const char *link_spec = LINK_SPEC; | |
1086 | static const char *lib_spec = LIB_SPEC; | |
1e8e9920 | 1087 | static const char *link_gomp_spec = ""; |
e772a198 | 1088 | static const char *libgcc_spec = LIBGCC_SPEC; |
1089 | static const char *endfile_spec = ENDFILE_SPEC; | |
1090 | static const char *startfile_spec = STARTFILE_SPEC; | |
e772a198 | 1091 | static const char *linker_name_spec = LINKER_NAME; |
7bfefa9d | 1092 | static const char *linker_plugin_file_spec = ""; |
1093 | static const char *lto_wrapper_spec = ""; | |
1094 | static const char *lto_gcc_spec = ""; | |
0ed9e37f | 1095 | static const char *post_link_spec = POST_LINK_SPEC; |
1cf79a1a | 1096 | static const char *link_command_spec = LINK_COMMAND_SPEC; |
1097 | static const char *link_libgcc_spec = LINK_LIBGCC_SPEC; | |
4ae4e5e8 | 1098 | static const char *startfile_prefix_spec = STARTFILE_PREFIX_SPEC; |
b6bcc48f | 1099 | static const char *sysroot_spec = SYSROOT_SPEC; |
4ea70922 | 1100 | static const char *sysroot_suffix_spec = SYSROOT_SUFFIX_SPEC; |
1101 | static const char *sysroot_hdrs_suffix_spec = SYSROOT_HEADERS_SUFFIX_SPEC; | |
bd3ce038 | 1102 | static const char *self_spec = ""; |
1cf79a1a | 1103 | |
1104 | /* Standard options to cpp, cc1, and as, to reduce duplication in specs. | |
1105 | There should be no need to override these in target dependent files, | |
1106 | but we need to copy them to the specs file so that newer versions | |
1107 | of the GCC driver can correctly drive older tool chains with the | |
1108 | appropriate -B options. */ | |
1109 | ||
62683efd | 1110 | /* When cpplib handles traditional preprocessing, get rid of this, and |
1111 | call cc1 (or cc1obj in objc/lang-specs.h) from the main specs so | |
1112 | that we default the front end language better. */ | |
1cf79a1a | 1113 | static const char *trad_capable_cpp = |
f1a0bc73 | 1114 | "cc1 -E %{traditional|traditional-cpp:-traditional-cpp}"; |
1cf79a1a | 1115 | |
eb95e7f7 | 1116 | /* We don't wrap .d files in %W{} since a missing .d file, and |
1117 | therefore no dependency entry, confuses make into thinking a .o | |
1118 | file that happens to exist is up-to-date. */ | |
a182c763 | 1119 | static const char *cpp_unique_options = |
39bc186e | 1120 | "%{!Q:-quiet} %{nostdinc*} %{C} %{CC} %{v} %@{I*&F*} %{P} %I\ |
89c69892 | 1121 | %{MD:-MD %{!o:%b.d}%{o*:%.d%*}}\ |
1122 | %{MMD:-MMD %{!o:%b.d}%{o*:%.d%*}}\ | |
eb95e7f7 | 1123 | %{M} %{MM} %{MF*} %{MG} %{MP} %{MQ*} %{MT*}\ |
e238d235 | 1124 | %{!E:%{!M:%{!MM:%{!MT:%{!MQ:%{MD|MMD:%{o*:-MQ %*}}}}}}}\ |
4c52ff7a | 1125 | %{remap} %{g3|ggdb3|gstabs3|gxcoff3|gvms3:-dD}\ |
d6bff3e6 | 1126 | %{!iplugindir*:%{fplugin*:%:find-plugindir()}}\ |
a8c200f7 | 1127 | %{H} %C %{D*&U*&A*} %{i*} %Z %i\ |
5ca8af9f | 1128 | %{E|M|MM:%W{o*}}"; |
a182c763 | 1129 | |
1130 | /* This contains cpp options which are common with cc1_options and are passed | |
39c188c5 | 1131 | only when preprocessing only to avoid duplication. We pass the cc1 spec |
1132 | options to the preprocessor so that it the cc1 spec may manipulate | |
1133 | options used to set target flags. Those special target flags settings may | |
1134 | in turn cause preprocessor symbols to be defined specially. */ | |
a182c763 | 1135 | static const char *cpp_options = |
52367767 | 1136 | "%(cpp_unique_options) %1 %{m*} %{std*&ansi&trigraphs} %{W*&pedantic*} %{w}\ |
14234f77 | 1137 | %{f*} %{g*:%{%:debug-level-gt(0):%{g*}\ |
1138 | %{!fno-working-directory:-fworking-directory}}} %{O*}\ | |
cc92bc82 | 1139 | %{undef} %{save-temps*:-fpch-preprocess}"; |
1cf79a1a | 1140 | |
4702fc25 | 1141 | /* This contains cpp options which are not passed when the preprocessor |
1142 | output will be used by another program. */ | |
1143 | static const char *cpp_debug_options = "%{d*}"; | |
1144 | ||
68f4c740 | 1145 | /* NB: This is shared amongst all front-ends, except for Ada. */ |
1cf79a1a | 1146 | static const char *cc1_options = |
1147 | "%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\ | |
d6bff3e6 | 1148 | %{!iplugindir*:%{fplugin*:%:find-plugindir()}}\ |
9b091a73 | 1149 | %1 %{!Q:-quiet} %{!dumpbase:-dumpbase %B} %{d*} %{m*} %{aux-info*}\ |
71278019 | 1150 | %{fcompare-debug-second:%:compare-debug-auxbase-opt(%b)} \ |
1151 | %{!fcompare-debug-second:%{c|S:%{o*:-auxbase-strip %*}%{!o*:-auxbase %b}}}%{!c:%{!S:-auxbase %b}} \ | |
52367767 | 1152 | %{g*} %{O*} %{W*&pedantic*} %{w} %{std*&ansi&trigraphs}\ |
1ed9d5f5 | 1153 | %{v:-version} %{pg:-p} %{p} %{f*} %{undef}\ |
3bfde2af | 1154 | %{Qn:-fno-ident} %{Qy:} %{-help:--help}\ |
5789e05b | 1155 | %{-target-help:--target-help}\ |
1156 | %{-version:--version}\ | |
1157 | %{-help=*:--help=%*}\ | |
655a58fa | 1158 | %{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}}\ |
4ee9c684 | 1159 | %{fsyntax-only:-o %j} %{-param*}\ |
504acdf1 | 1160 | %{coverage:-fprofile-arcs -ftest-coverage}\ |
1161 | %{fprofile-arcs|fprofile-generate*|coverage:\ | |
1162 | %{!fprofile-update=single:\ | |
3af33bcf | 1163 | %{pthread:-fprofile-update=prefer-atomic}}}"; |
1cf79a1a | 1164 | |
1165 | static const char *asm_options = | |
a4a58ea8 | 1166 | "%{-target-help:%:print-asm-header()} " |
c6429fa9 | 1167 | #if HAVE_GNU_AS |
1168 | /* If GNU AS is used, then convert -w (no warnings), -I, and -v | |
1169 | to the assembler equivalents. */ | |
1170 | "%{v} %{w:-W} %{I*} " | |
1171 | #endif | |
4185c905 | 1172 | ASM_COMPRESS_DEBUG_SPEC |
c6429fa9 | 1173 | "%a %Y %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}"; |
709c4e1b | 1174 | |
99b02af1 | 1175 | static const char *invoke_as = |
805e22b2 | 1176 | #ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT |
3e17769e | 1177 | "%{!fwpa*:\ |
7bfefa9d | 1178 | %{fcompare-debug=*|fdump-final-insns=*:%:compare-debug-dump-opt()}\ |
1179 | %{!S:-o %|.s |\n as %(asm_options) %|.s %A }\ | |
1180 | }"; | |
805e22b2 | 1181 | #else |
3e17769e | 1182 | "%{!fwpa*:\ |
7bfefa9d | 1183 | %{fcompare-debug=*|fdump-final-insns=*:%:compare-debug-dump-opt()}\ |
1184 | %{!S:-o %|.s |\n as %(asm_options) %m.s %A }\ | |
1185 | }"; | |
805e22b2 | 1186 | #endif |
99b02af1 | 1187 | |
709c4e1b | 1188 | /* Some compilers have limits on line lengths, and the multilib_select |
3d97d965 | 1189 | and/or multilib_matches strings can be very long, so we build them at |
1190 | run time. */ | |
709c4e1b | 1191 | static struct obstack multilib_obstack; |
e772a198 | 1192 | static const char *multilib_select; |
1193 | static const char *multilib_matches; | |
1194 | static const char *multilib_defaults; | |
1195 | static const char *multilib_exclusions; | |
7137cdac | 1196 | static const char *multilib_reuse; |
3d97d965 | 1197 | |
1198 | /* Check whether a particular argument is a default argument. */ | |
1199 | ||
1200 | #ifndef MULTILIB_DEFAULTS | |
1201 | #define MULTILIB_DEFAULTS { "" } | |
1202 | #endif | |
1203 | ||
026f2c7a | 1204 | static const char *const multilib_defaults_raw[] = MULTILIB_DEFAULTS; |
d7a9644e | 1205 | |
73023f49 | 1206 | #ifndef DRIVER_SELF_SPECS |
1207 | #define DRIVER_SELF_SPECS "" | |
1208 | #endif | |
1209 | ||
4d07f291 | 1210 | /* Linking to libgomp implies pthreads. This is particularly important |
1e8e9920 | 1211 | for targets that use different start files and suchlike. */ |
1212 | #ifndef GOMP_SELF_SPECS | |
1b316d69 | 1213 | #define GOMP_SELF_SPECS \ |
5814ddcd | 1214 | "%{fopenacc|fopenmp|%:gt(%{ftree-parallelize-loops=*:%*} 1): " \ |
ca4c3545 | 1215 | "-pthread}" |
1e8e9920 | 1216 | #endif |
1217 | ||
9a8d01ee | 1218 | /* Likewise for -fgnu-tm. */ |
1219 | #ifndef GTM_SELF_SPECS | |
1220 | #define GTM_SELF_SPECS "%{fgnu-tm: -pthread}" | |
1221 | #endif | |
1222 | ||
1e8e9920 | 1223 | static const char *const driver_self_specs[] = { |
9845d120 | 1224 | "%{fdump-final-insns:-fdump-final-insns=.} %<fdump-final-insns", |
efa02472 | 1225 | DRIVER_SELF_SPECS, CONFIGURE_SPECS, GOMP_SELF_SPECS, GTM_SELF_SPECS |
1e8e9920 | 1226 | }; |
73023f49 | 1227 | |
7dd97ab6 | 1228 | #ifndef OPTION_DEFAULT_SPECS |
1229 | #define OPTION_DEFAULT_SPECS { "", "" } | |
1230 | #endif | |
1231 | ||
1232 | struct default_spec | |
1233 | { | |
1234 | const char *name; | |
1235 | const char *spec; | |
1236 | }; | |
1237 | ||
1238 | static const struct default_spec | |
1239 | option_default_specs[] = { OPTION_DEFAULT_SPECS }; | |
1240 | ||
d4ea3b1f | 1241 | struct user_specs |
1242 | { | |
9d70d39c | 1243 | struct user_specs *next; |
e40d43cc | 1244 | const char *filename; |
9d70d39c | 1245 | }; |
1246 | ||
1247 | static struct user_specs *user_specs_head, *user_specs_tail; | |
1248 | ||
d7a9644e | 1249 | \f |
1250 | /* Record the mapping from file suffixes for compilation specs. */ | |
1251 | ||
1252 | struct compiler | |
1253 | { | |
e40d43cc | 1254 | const char *suffix; /* Use this compiler for input files |
d7a9644e | 1255 | whose names end in this suffix. */ |
6db05d3a | 1256 | |
1cf79a1a | 1257 | const char *spec; /* To use this compiler, run this spec. */ |
96842e40 | 1258 | |
1259 | const char *cpp_spec; /* If non-NULL, substitute this spec | |
1260 | for `%C', rather than the usual | |
1261 | cpp_spec. */ | |
a324786b | 1262 | int combinable; /* If nonzero, compiler can deal with |
dc1dd09b | 1263 | multiple source files at once (IMA). */ |
a324786b | 1264 | int needs_preprocessing; /* If nonzero, source files need to |
dc1dd09b | 1265 | be run through a preprocessor. */ |
d7a9644e | 1266 | }; |
1267 | ||
1268 | /* Pointer to a vector of `struct compiler' that gives the spec for | |
1269 | compiling a file, based on its suffix. | |
1270 | A file that does not end in any of these suffixes will be passed | |
1271 | unchanged to the loader and nothing else will be done to it. | |
1272 | ||
1273 | An entry containing two 0s is used to terminate the vector. | |
1274 | ||
1275 | If multiple entries match a file, the last matching one is used. */ | |
1276 | ||
1277 | static struct compiler *compilers; | |
1278 | ||
1279 | /* Number of entries in `compilers', not counting the null terminator. */ | |
1280 | ||
1281 | static int n_compilers; | |
1282 | ||
1283 | /* The default list of file name suffixes and their compilation specs. */ | |
1284 | ||
c077395f | 1285 | static const struct compiler default_compilers[] = |
d7a9644e | 1286 | { |
6e8b4b1d | 1287 | /* Add lists of suffixes of known languages here. If those languages |
0dbd1c74 | 1288 | were not present when we built the driver, we will hit these copies |
1289 | and be given a more meaningful error than "file not used since | |
6e8b4b1d | 1290 | linking is not done". */ |
dc1dd09b | 1291 | {".m", "#Objective-C", 0, 0, 0}, {".mi", "#Objective-C", 0, 0, 0}, |
9728bde3 | 1292 | {".mm", "#Objective-C++", 0, 0, 0}, {".M", "#Objective-C++", 0, 0, 0}, |
1293 | {".mii", "#Objective-C++", 0, 0, 0}, | |
2f2c6aee | 1294 | {".cc", "#C++", 0, 0, 0}, {".cxx", "#C++", 0, 0, 0}, |
1295 | {".cpp", "#C++", 0, 0, 0}, {".cp", "#C++", 0, 0, 0}, | |
dc1dd09b | 1296 | {".c++", "#C++", 0, 0, 0}, {".C", "#C++", 0, 0, 0}, |
1297 | {".CPP", "#C++", 0, 0, 0}, {".ii", "#C++", 0, 0, 0}, | |
1298 | {".ads", "#Ada", 0, 0, 0}, {".adb", "#Ada", 0, 0, 0}, | |
00c6e780 | 1299 | {".f", "#Fortran", 0, 0, 0}, {".F", "#Fortran", 0, 0, 0}, |
1300 | {".for", "#Fortran", 0, 0, 0}, {".FOR", "#Fortran", 0, 0, 0}, | |
1301 | {".ftn", "#Fortran", 0, 0, 0}, {".FTN", "#Fortran", 0, 0, 0}, | |
1302 | {".fpp", "#Fortran", 0, 0, 0}, {".FPP", "#Fortran", 0, 0, 0}, | |
1303 | {".f90", "#Fortran", 0, 0, 0}, {".F90", "#Fortran", 0, 0, 0}, | |
1304 | {".f95", "#Fortran", 0, 0, 0}, {".F95", "#Fortran", 0, 0, 0}, | |
1305 | {".f03", "#Fortran", 0, 0, 0}, {".F03", "#Fortran", 0, 0, 0}, | |
1306 | {".f08", "#Fortran", 0, 0, 0}, {".F08", "#Fortran", 0, 0, 0}, | |
dc1dd09b | 1307 | {".r", "#Ratfor", 0, 0, 0}, |
e440a328 | 1308 | {".go", "#Go", 0, 1, 0}, |
03385ed3 | 1309 | {".d", "#D", 0, 1, 0}, {".dd", "#D", 0, 1, 0}, {".di", "#D", 0, 1, 0}, |
6e8b4b1d | 1310 | /* Next come the entries for C. */ |
78d063c8 | 1311 | {".c", "@c", 0, 0, 1}, |
d7a9644e | 1312 | {"@c", |
99b02af1 | 1313 | /* cc1 has an integrated ISO C preprocessor. We should invoke the |
455730ef | 1314 | external preprocessor if -save-temps is given. */ |
3ae4c9f3 | 1315 | "%{E|M|MM:%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)}\ |
99b02af1 | 1316 | %{!E:%{!M:%{!MM:\ |
f1a0bc73 | 1317 | %{traditional:\ |
455730ef | 1318 | %eGNU C no longer supports -traditional without -E}\ |
78d063c8 | 1319 | %{save-temps*|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \ |
1320 | %(cpp_options) -o %{save-temps*:%b.i} %{!save-temps*:%g.i} \n\ | |
1321 | cc1 -fpreprocessed %{save-temps*:%b.i} %{!save-temps*:%g.i} \ | |
1322 | %(cc1_options)}\ | |
1323 | %{!save-temps*:%{!traditional-cpp:%{!no-integrated-cpp:\ | |
1324 | cc1 %(cpp_unique_options) %(cc1_options)}}}\ | |
1325 | %{!fsyntax-only:%(invoke_as)}}}}", 0, 0, 1}, | |
d7a9644e | 1326 | {"-", |
a5050534 | 1327 | "%{!E:%e-E or -x required when input is from standard input}\ |
dc1dd09b | 1328 | %(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)", 0, 0, 0}, |
1329 | {".h", "@c-header", 0, 0, 0}, | |
d7a9644e | 1330 | {"@c-header", |
573aba85 | 1331 | /* cc1 has an integrated ISO C preprocessor. We should invoke the |
1332 | external preprocessor if -save-temps is given. */ | |
1333 | "%{E|M|MM:%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)}\ | |
1334 | %{!E:%{!M:%{!MM:\ | |
cc92bc82 | 1335 | %{save-temps*|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \ |
1336 | %(cpp_options) -o %{save-temps*:%b.i} %{!save-temps*:%g.i} \n\ | |
1337 | cc1 -fpreprocessed %{save-temps*:%b.i} %{!save-temps*:%g.i} \ | |
4e6a6999 | 1338 | %(cc1_options)\ |
9a26d403 | 1339 | %{!fsyntax-only:%{!S:-o %g.s} \ |
53a7bd71 | 1340 | %{!fdump-ada-spec*:%{!o*:--output-pch=%i.gch}\ |
1341 | %W{o*:--output-pch=%*}}%V}}\ | |
cc92bc82 | 1342 | %{!save-temps*:%{!traditional-cpp:%{!no-integrated-cpp:\ |
573aba85 | 1343 | cc1 %(cpp_unique_options) %(cc1_options)\ |
9d9fe66a | 1344 | %{!fsyntax-only:%{!S:-o %g.s} \ |
53a7bd71 | 1345 | %{!fdump-ada-spec*:%{!o*:--output-pch=%i.gch}\ |
1346 | %W{o*:--output-pch=%*}}%V}}}}}}}", 0, 0, 0}, | |
78d063c8 | 1347 | {".i", "@cpp-output", 0, 0, 0}, |
d7a9644e | 1348 | {"@cpp-output", |
60c10fe6 | 1349 | "%{!M:%{!MM:%{!E:cc1 -fpreprocessed %i %(cc1_options) %{!fsyntax-only:%(invoke_as)}}}}", 0, 0, 0}, |
871aed8a | 1350 | {".s", "@assembler", 0, 0, 0}, |
d7a9644e | 1351 | {"@assembler", |
871aed8a | 1352 | "%{!M:%{!MM:%{!E:%{!S:as %(asm_debug) %(asm_options) %i %A }}}}", 0, 0, 0}, |
1353 | {".sx", "@assembler-with-cpp", 0, 0, 0}, | |
1354 | {".S", "@assembler-with-cpp", 0, 0, 0}, | |
d7a9644e | 1355 | {"@assembler-with-cpp", |
805e22b2 | 1356 | #ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT |
8d3e018c | 1357 | "%(trad_capable_cpp) -lang-asm %(cpp_options) -fno-directives-only\ |
4702fc25 | 1358 | %{E|M|MM:%(cpp_debug_options)}\ |
805e22b2 | 1359 | %{!M:%{!MM:%{!E:%{!S:-o %|.s |\n\ |
1360 | as %(asm_debug) %(asm_options) %|.s %A }}}}" | |
1361 | #else | |
8d3e018c | 1362 | "%(trad_capable_cpp) -lang-asm %(cpp_options) -fno-directives-only\ |
805e22b2 | 1363 | %{E|M|MM:%(cpp_debug_options)}\ |
1364 | %{!M:%{!MM:%{!E:%{!S:-o %|.s |\n\ | |
1365 | as %(asm_debug) %(asm_options) %m.s %A }}}}" | |
1366 | #endif | |
871aed8a | 1367 | , 0, 0, 0}, |
952f0048 | 1368 | |
45b17600 | 1369 | #include "specs.h" |
2358393e | 1370 | /* Mark end of table. */ |
dc1dd09b | 1371 | {0, 0, 0, 0, 0} |
d7a9644e | 1372 | }; |
1373 | ||
1374 | /* Number of elements in default_compilers, not counting the terminator. */ | |
1375 | ||
3585dac7 | 1376 | static const int n_default_compilers = ARRAY_SIZE (default_compilers) - 1; |
d7a9644e | 1377 | |
74c33122 | 1378 | typedef char *char_p; /* For DEF_VEC_P. */ |
74c33122 | 1379 | |
d7a9644e | 1380 | /* A vector of options to give to the linker. |
fcdc45aa | 1381 | These options are accumulated by %x, |
d7a9644e | 1382 | and substituted into the linker command with %X. */ |
f1f41a6c | 1383 | static vec<char_p> linker_options; |
69587571 | 1384 | |
1385 | /* A vector of options to give to the assembler. | |
1386 | These options are accumulated by -Wa, | |
391d9b6e | 1387 | and substituted into the assembler command with %Y. */ |
f1f41a6c | 1388 | static vec<char_p> assembler_options; |
391d9b6e | 1389 | |
1390 | /* A vector of options to give to the preprocessor. | |
1391 | These options are accumulated by -Wp, | |
1392 | and substituted into the preprocessor command with %Z. */ | |
f1f41a6c | 1393 | static vec<char_p> preprocessor_options; |
d7a9644e | 1394 | \f |
d7a9644e | 1395 | static char * |
952f0048 | 1396 | skip_whitespace (char *p) |
d7a9644e | 1397 | { |
1398 | while (1) | |
1399 | { | |
1400 | /* A fully-blank line is a delimiter in the SPEC file and shouldn't | |
1401 | be considered whitespace. */ | |
1402 | if (p[0] == '\n' && p[1] == '\n' && p[2] == '\n') | |
1403 | return p + 1; | |
1404 | else if (*p == '\n' || *p == ' ' || *p == '\t') | |
1405 | p++; | |
1406 | else if (*p == '#') | |
1407 | { | |
026f2c7a | 1408 | while (*p != '\n') |
1409 | p++; | |
d7a9644e | 1410 | p++; |
1411 | } | |
1412 | else | |
1413 | break; | |
1414 | } | |
1415 | ||
1416 | return p; | |
1417 | } | |
bfb9bc39 | 1418 | /* Structures to keep track of prefixes to try when looking for files. */ |
1419 | ||
1420 | struct prefix_list | |
1421 | { | |
afe739a7 | 1422 | const char *prefix; /* String to prepend to the path. */ |
bfb9bc39 | 1423 | struct prefix_list *next; /* Next in linked list. */ |
1424 | int require_machine_suffix; /* Don't use without machine_suffix. */ | |
1425 | /* 2 means try both machine_suffix and just_machine_suffix. */ | |
c954ff02 | 1426 | int priority; /* Sort key - priority within list. */ |
1427 | int os_multilib; /* 1 if OS multilib scheme should be used, | |
1428 | 0 for GCC multilib scheme. */ | |
bfb9bc39 | 1429 | }; |
1430 | ||
1431 | struct path_prefix | |
1432 | { | |
1433 | struct prefix_list *plist; /* List of prefixes to try */ | |
1434 | int max_len; /* Max length of a prefix in PLIST */ | |
1435 | const char *name; /* Name of this list (used in config stuff) */ | |
1436 | }; | |
1437 | ||
1438 | /* List of prefixes to try when looking for executables. */ | |
1439 | ||
1440 | static struct path_prefix exec_prefixes = { 0, 0, "exec" }; | |
1441 | ||
1442 | /* List of prefixes to try when looking for startup (crt0) files. */ | |
1443 | ||
1444 | static struct path_prefix startfile_prefixes = { 0, 0, "startfile" }; | |
1445 | ||
1446 | /* List of prefixes to try when looking for include files. */ | |
1447 | ||
1448 | static struct path_prefix include_prefixes = { 0, 0, "include" }; | |
1449 | ||
1450 | /* Suffix to attach to directories searched for commands. | |
1451 | This looks like `MACHINE/VERSION/'. */ | |
1452 | ||
1453 | static const char *machine_suffix = 0; | |
1454 | ||
1455 | /* Suffix to attach to directories searched for commands. | |
1456 | This is just `MACHINE/'. */ | |
1457 | ||
1458 | static const char *just_machine_suffix = 0; | |
1459 | ||
1460 | /* Adjusted value of GCC_EXEC_PREFIX envvar. */ | |
1461 | ||
1462 | static const char *gcc_exec_prefix; | |
1463 | ||
9db45a87 | 1464 | /* Adjusted value of standard_libexec_prefix. */ |
1465 | ||
1466 | static const char *gcc_libexec_prefix; | |
1467 | ||
bfb9bc39 | 1468 | /* Default prefixes to attach to command names. */ |
1469 | ||
3c2ba0de | 1470 | #ifndef STANDARD_STARTFILE_PREFIX_1 |
1471 | #define STANDARD_STARTFILE_PREFIX_1 "/lib/" | |
1472 | #endif | |
1473 | #ifndef STANDARD_STARTFILE_PREFIX_2 | |
1474 | #define STANDARD_STARTFILE_PREFIX_2 "/usr/lib/" | |
1475 | #endif | |
2f2c6aee | 1476 | |
29d774d0 | 1477 | #ifdef CROSS_DIRECTORY_STRUCTURE /* Don't use these prefixes for a cross compiler. */ |
bfb9bc39 | 1478 | #undef MD_EXEC_PREFIX |
1479 | #undef MD_STARTFILE_PREFIX | |
1480 | #undef MD_STARTFILE_PREFIX_1 | |
1481 | #endif | |
1482 | ||
1483 | /* If no prefixes defined, use the null string, which will disable them. */ | |
1484 | #ifndef MD_EXEC_PREFIX | |
1485 | #define MD_EXEC_PREFIX "" | |
1486 | #endif | |
1487 | #ifndef MD_STARTFILE_PREFIX | |
1488 | #define MD_STARTFILE_PREFIX "" | |
1489 | #endif | |
1490 | #ifndef MD_STARTFILE_PREFIX_1 | |
1491 | #define MD_STARTFILE_PREFIX_1 "" | |
1492 | #endif | |
1493 | ||
c4328bcc | 1494 | /* These directories are locations set at configure-time based on the |
1495 | --prefix option provided to configure. Their initializers are | |
1496 | defined in Makefile.in. These paths are not *directly* used when | |
1497 | gcc_exec_prefix is set because, in that case, we know where the | |
1498 | compiler has been installed, and use paths relative to that | |
1499 | location instead. */ | |
35823b64 | 1500 | static const char *const standard_exec_prefix = STANDARD_EXEC_PREFIX; |
c4328bcc | 1501 | static const char *const standard_libexec_prefix = STANDARD_LIBEXEC_PREFIX; |
1502 | static const char *const standard_bindir_prefix = STANDARD_BINDIR_PREFIX; | |
1503 | static const char *const standard_startfile_prefix = STANDARD_STARTFILE_PREFIX; | |
1504 | ||
1505 | /* For native compilers, these are well-known paths containing | |
1506 | components that may be provided by the system. For cross | |
1507 | compilers, these paths are not used. */ | |
bfb9bc39 | 1508 | static const char *md_exec_prefix = MD_EXEC_PREFIX; |
bfb9bc39 | 1509 | static const char *md_startfile_prefix = MD_STARTFILE_PREFIX; |
1510 | static const char *md_startfile_prefix_1 = MD_STARTFILE_PREFIX_1; | |
87c75316 | 1511 | static const char *const standard_startfile_prefix_1 |
3c2ba0de | 1512 | = STANDARD_STARTFILE_PREFIX_1; |
1513 | static const char *const standard_startfile_prefix_2 | |
1514 | = STANDARD_STARTFILE_PREFIX_2; | |
bfb9bc39 | 1515 | |
c4328bcc | 1516 | /* A relative path to be used in finding the location of tools |
1517 | relative to the driver. */ | |
35823b64 | 1518 | static const char *const tooldir_base_prefix = TOOLDIR_BASE_PREFIX; |
9db45a87 | 1519 | |
77415571 | 1520 | /* A prefix to be used when this is an accelerator compiler. */ |
1521 | static const char *const accel_dir_suffix = ACCEL_DIR_SUFFIX; | |
1522 | ||
bfb9bc39 | 1523 | /* Subdirectory to use for locating libraries. Set by |
1524 | set_multilib_dir based on the compilation options. */ | |
1525 | ||
1526 | static const char *multilib_dir; | |
c954ff02 | 1527 | |
1528 | /* Subdirectory to use for locating libraries in OS conventions. Set by | |
1529 | set_multilib_dir based on the compilation options. */ | |
1530 | ||
1531 | static const char *multilib_os_dir; | |
77adc39e | 1532 | |
1533 | /* Subdirectory to use for locating libraries in multiarch conventions. Set by | |
1534 | set_multilib_dir based on the compilation options. */ | |
1535 | ||
1536 | static const char *multiarch_dir; | |
d7a9644e | 1537 | \f |
a92771b8 | 1538 | /* Structure to keep track of the specs that have been defined so far. |
88483769 | 1539 | These are accessed using %(specname) in a compiler or link |
1540 | spec. */ | |
d7a9644e | 1541 | |
1542 | struct spec_list | |
1543 | { | |
988c0ffe | 1544 | /* The following 2 fields must be first */ |
1545 | /* to allow EXTRA_SPECS to be initialized */ | |
e772a198 | 1546 | const char *name; /* name of the spec. */ |
1547 | const char *ptr; /* available ptr if no static pointer */ | |
988c0ffe | 1548 | |
1549 | /* The following fields are not initialized */ | |
1550 | /* by EXTRA_SPECS */ | |
e772a198 | 1551 | const char **ptr_spec; /* pointer to the spec itself. */ |
988c0ffe | 1552 | struct spec_list *next; /* Next spec in linked list. */ |
1553 | int name_len; /* length of the name */ | |
556cfe53 | 1554 | bool user_p; /* whether string come from file spec. */ |
1555 | bool alloc_p; /* whether string was allocated */ | |
26a4a13d | 1556 | const char *default_ptr; /* The default value of *ptr_spec. */ |
d7a9644e | 1557 | }; |
1558 | ||
988c0ffe | 1559 | #define INIT_STATIC_SPEC(NAME,PTR) \ |
26a4a13d | 1560 | { NAME, NULL, PTR, (struct spec_list *) 0, sizeof (NAME) - 1, false, false, \ |
1561 | *PTR } | |
988c0ffe | 1562 | |
d4ea3b1f | 1563 | /* List of statically defined specs. */ |
1564 | static struct spec_list static_specs[] = | |
1565 | { | |
988c0ffe | 1566 | INIT_STATIC_SPEC ("asm", &asm_spec), |
1a6f9700 | 1567 | INIT_STATIC_SPEC ("asm_debug", &asm_debug), |
988c0ffe | 1568 | INIT_STATIC_SPEC ("asm_final", &asm_final_spec), |
1cf79a1a | 1569 | INIT_STATIC_SPEC ("asm_options", &asm_options), |
99b02af1 | 1570 | INIT_STATIC_SPEC ("invoke_as", &invoke_as), |
988c0ffe | 1571 | INIT_STATIC_SPEC ("cpp", &cpp_spec), |
1cf79a1a | 1572 | INIT_STATIC_SPEC ("cpp_options", &cpp_options), |
4702fc25 | 1573 | INIT_STATIC_SPEC ("cpp_debug_options", &cpp_debug_options), |
a182c763 | 1574 | INIT_STATIC_SPEC ("cpp_unique_options", &cpp_unique_options), |
1cf79a1a | 1575 | INIT_STATIC_SPEC ("trad_capable_cpp", &trad_capable_cpp), |
988c0ffe | 1576 | INIT_STATIC_SPEC ("cc1", &cc1_spec), |
1cf79a1a | 1577 | INIT_STATIC_SPEC ("cc1_options", &cc1_options), |
988c0ffe | 1578 | INIT_STATIC_SPEC ("cc1plus", &cc1plus_spec), |
da98d114 | 1579 | INIT_STATIC_SPEC ("link_gcc_c_sequence", &link_gcc_c_sequence_spec), |
0d55f4d0 | 1580 | INIT_STATIC_SPEC ("link_ssp", &link_ssp_spec), |
988c0ffe | 1581 | INIT_STATIC_SPEC ("endfile", &endfile_spec), |
1582 | INIT_STATIC_SPEC ("link", &link_spec), | |
1583 | INIT_STATIC_SPEC ("lib", &lib_spec), | |
1e8e9920 | 1584 | INIT_STATIC_SPEC ("link_gomp", &link_gomp_spec), |
988c0ffe | 1585 | INIT_STATIC_SPEC ("libgcc", &libgcc_spec), |
1586 | INIT_STATIC_SPEC ("startfile", &startfile_spec), | |
988c0ffe | 1587 | INIT_STATIC_SPEC ("cross_compile", &cross_compile), |
1588 | INIT_STATIC_SPEC ("version", &compiler_version), | |
1589 | INIT_STATIC_SPEC ("multilib", &multilib_select), | |
1590 | INIT_STATIC_SPEC ("multilib_defaults", &multilib_defaults), | |
1591 | INIT_STATIC_SPEC ("multilib_extra", &multilib_extra), | |
1592 | INIT_STATIC_SPEC ("multilib_matches", &multilib_matches), | |
54518c3b | 1593 | INIT_STATIC_SPEC ("multilib_exclusions", &multilib_exclusions), |
c954ff02 | 1594 | INIT_STATIC_SPEC ("multilib_options", &multilib_options), |
7137cdac | 1595 | INIT_STATIC_SPEC ("multilib_reuse", &multilib_reuse), |
0c787992 | 1596 | INIT_STATIC_SPEC ("linker", &linker_name_spec), |
7bfefa9d | 1597 | INIT_STATIC_SPEC ("linker_plugin_file", &linker_plugin_file_spec), |
1598 | INIT_STATIC_SPEC ("lto_wrapper", <o_wrapper_spec), | |
1599 | INIT_STATIC_SPEC ("lto_gcc", <o_gcc_spec), | |
0ed9e37f | 1600 | INIT_STATIC_SPEC ("post_link", &post_link_spec), |
1cf79a1a | 1601 | INIT_STATIC_SPEC ("link_libgcc", &link_libgcc_spec), |
bfb9bc39 | 1602 | INIT_STATIC_SPEC ("md_exec_prefix", &md_exec_prefix), |
1603 | INIT_STATIC_SPEC ("md_startfile_prefix", &md_startfile_prefix), | |
1604 | INIT_STATIC_SPEC ("md_startfile_prefix_1", &md_startfile_prefix_1), | |
4ae4e5e8 | 1605 | INIT_STATIC_SPEC ("startfile_prefix_spec", &startfile_prefix_spec), |
b6bcc48f | 1606 | INIT_STATIC_SPEC ("sysroot_spec", &sysroot_spec), |
4ea70922 | 1607 | INIT_STATIC_SPEC ("sysroot_suffix_spec", &sysroot_suffix_spec), |
1608 | INIT_STATIC_SPEC ("sysroot_hdrs_suffix_spec", &sysroot_hdrs_suffix_spec), | |
bd3ce038 | 1609 | INIT_STATIC_SPEC ("self_spec", &self_spec), |
988c0ffe | 1610 | }; |
1611 | ||
1612 | #ifdef EXTRA_SPECS /* additional specs needed */ | |
6b40eba4 | 1613 | /* Structure to keep track of just the first two args of a spec_list. |
d4ea3b1f | 1614 | That is all that the EXTRA_SPECS macro gives us. */ |
6b40eba4 | 1615 | struct spec_list_1 |
1616 | { | |
e99c3a1d | 1617 | const char *const name; |
1618 | const char *const ptr; | |
6b40eba4 | 1619 | }; |
1620 | ||
e99c3a1d | 1621 | static const struct spec_list_1 extra_specs_1[] = { EXTRA_SPECS }; |
026f2c7a | 1622 | static struct spec_list *extra_specs = (struct spec_list *) 0; |
988c0ffe | 1623 | #endif |
1624 | ||
1625 | /* List of dynamically allocates specs that have been defined so far. */ | |
1626 | ||
2c815aff | 1627 | static struct spec_list *specs = (struct spec_list *) 0; |
988c0ffe | 1628 | \f |
c21b3276 | 1629 | /* List of static spec functions. */ |
1630 | ||
1631 | static const struct spec_function static_spec_functions[] = | |
1632 | { | |
0305c755 | 1633 | { "getenv", getenv_spec_function }, |
c21b3276 | 1634 | { "if-exists", if_exists_spec_function }, |
68d74c02 | 1635 | { "if-exists-else", if_exists_else_spec_function }, |
9e46467d | 1636 | { "sanitize", sanitize_spec_function }, |
2288041e | 1637 | { "replace-outfile", replace_outfile_spec_function }, |
8127ab5d | 1638 | { "remove-outfile", remove_outfile_spec_function }, |
9b1f316f | 1639 | { "version-compare", version_compare_spec_function }, |
1e8e9920 | 1640 | { "include", include_spec_function }, |
19bc000d | 1641 | { "find-file", find_file_spec_function }, |
d6bff3e6 | 1642 | { "find-plugindir", find_plugindir_spec_function }, |
ceac8e8c | 1643 | { "print-asm-header", print_asm_header_spec_function }, |
71278019 | 1644 | { "compare-debug-dump-opt", compare_debug_dump_opt_spec_function }, |
1645 | { "compare-debug-self-opt", compare_debug_self_opt_spec_function }, | |
1646 | { "compare-debug-auxbase-opt", compare_debug_auxbase_opt_spec_function }, | |
280f8649 | 1647 | { "pass-through-libs", pass_through_libs_spec_func }, |
b35329c7 | 1648 | { "replace-extension", replace_extension_spec_func }, |
1b316d69 | 1649 | { "gt", greater_than_spec_func }, |
14234f77 | 1650 | { "debug-level-gt", debug_level_greater_than_spec_func }, |
f052211c | 1651 | { "fortran-preinclude-file", find_fortran_preinclude_file}, |
4009b53f | 1652 | #ifdef EXTRA_SPEC_FUNCTIONS |
1653 | EXTRA_SPEC_FUNCTIONS | |
1654 | #endif | |
c21b3276 | 1655 | { 0, 0 } |
1656 | }; | |
1657 | ||
1658 | static int processing_spec_function; | |
1659 | \f | |
5cb4c868 | 1660 | /* Add appropriate libgcc specs to OBSTACK, taking into account |
1661 | various permutations of -shared-libgcc, -shared, and such. */ | |
1662 | ||
ecbfdc87 | 1663 | #if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC) |
be4e8b82 | 1664 | |
1665 | #ifndef USE_LD_AS_NEEDED | |
1666 | #define USE_LD_AS_NEEDED 0 | |
1667 | #endif | |
1668 | ||
5cb4c868 | 1669 | static void |
952f0048 | 1670 | init_gcc_specs (struct obstack *obstack, const char *shared_name, |
1671 | const char *static_name, const char *eh_name) | |
5cb4c868 | 1672 | { |
48285a3c | 1673 | char *buf; |
1674 | ||
be4e8b82 | 1675 | #if USE_LD_AS_NEEDED |
6d1ab23d | 1676 | buf = concat ("%{static|static-libgcc|static-pie:", static_name, " ", eh_name, "}" |
1677 | "%{!static:%{!static-libgcc:%{!static-pie:" | |
e885c832 | 1678 | "%{!shared-libgcc:", |
8aaed91d | 1679 | static_name, " " LD_AS_NEEDED_OPTION " ", |
1680 | shared_name, " " LD_NO_AS_NEEDED_OPTION | |
e885c832 | 1681 | "}" |
1682 | "%{shared-libgcc:", | |
1683 | shared_name, "%{!shared: ", static_name, "}" | |
6d1ab23d | 1684 | "}}" |
6a40149e | 1685 | #else |
6d1ab23d | 1686 | buf = concat ("%{static|static-libgcc:", static_name, " ", eh_name, "}" |
1687 | "%{!static:%{!static-libgcc:" | |
e885c832 | 1688 | "%{!shared:" |
1689 | "%{!shared-libgcc:", static_name, " ", eh_name, "}" | |
1690 | "%{shared-libgcc:", shared_name, " ", static_name, "}" | |
1691 | "}" | |
0d6378a9 | 1692 | #ifdef LINK_EH_SPEC |
e885c832 | 1693 | "%{shared:" |
1694 | "%{shared-libgcc:", shared_name, "}" | |
1695 | "%{!shared-libgcc:", static_name, "}" | |
1696 | "}" | |
0d6378a9 | 1697 | #else |
e885c832 | 1698 | "%{shared:", shared_name, "}" |
6a40149e | 1699 | #endif |
0d6378a9 | 1700 | #endif |
e885c832 | 1701 | "}}", NULL); |
48285a3c | 1702 | |
1703 | obstack_grow (obstack, buf, strlen (buf)); | |
1704 | free (buf); | |
5cb4c868 | 1705 | } |
b51d5c7c | 1706 | #endif /* ENABLE_SHARED_LIBGCC */ |
5cb4c868 | 1707 | |
988c0ffe | 1708 | /* Initialize the specs lookup routines. */ |
1709 | ||
1710 | static void | |
a046944b | 1711 | init_spec (void) |
988c0ffe | 1712 | { |
2c815aff | 1713 | struct spec_list *next = (struct spec_list *) 0; |
1714 | struct spec_list *sl = (struct spec_list *) 0; | |
988c0ffe | 1715 | int i; |
1716 | ||
1717 | if (specs) | |
d4ea3b1f | 1718 | return; /* Already initialized. */ |
988c0ffe | 1719 | |
4582d741 | 1720 | if (verbose_flag) |
a922df2e | 1721 | fnotice (stderr, "Using built-in specs.\n"); |
4582d741 | 1722 | |
988c0ffe | 1723 | #ifdef EXTRA_SPECS |
25a1c410 | 1724 | extra_specs = XCNEWVEC (struct spec_list, ARRAY_SIZE (extra_specs_1)); |
2c815aff | 1725 | |
3098b2d3 | 1726 | for (i = ARRAY_SIZE (extra_specs_1) - 1; i >= 0; i--) |
810309ce | 1727 | { |
1728 | sl = &extra_specs[i]; | |
6b40eba4 | 1729 | sl->name = extra_specs_1[i].name; |
1730 | sl->ptr = extra_specs_1[i].ptr; | |
810309ce | 1731 | sl->next = next; |
1732 | sl->name_len = strlen (sl->name); | |
1733 | sl->ptr_spec = &sl->ptr; | |
26a4a13d | 1734 | gcc_assert (sl->ptr_spec != NULL); |
1735 | sl->default_ptr = sl->ptr; | |
810309ce | 1736 | next = sl; |
1737 | } | |
988c0ffe | 1738 | #endif |
1739 | ||
3098b2d3 | 1740 | for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--) |
988c0ffe | 1741 | { |
1742 | sl = &static_specs[i]; | |
1743 | sl->next = next; | |
1744 | next = sl; | |
1745 | } | |
1746 | ||
ecbfdc87 | 1747 | #if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC) |
43198b29 | 1748 | /* ??? If neither -shared-libgcc nor --static-libgcc was |
1749 | seen, then we should be making an educated guess. Some proposed | |
1750 | heuristics for ELF include: | |
1751 | ||
1752 | (1) If "-Wl,--export-dynamic", then it's a fair bet that the | |
1753 | program will be doing dynamic loading, which will likely | |
1754 | need the shared libgcc. | |
1755 | ||
1756 | (2) If "-ldl", then it's also a fair bet that we're doing | |
1757 | dynamic loading. | |
1758 | ||
1759 | (3) For each ET_DYN we're linking against (either through -lfoo | |
1760 | or /some/path/foo.so), check to see whether it or one of | |
424da949 | 1761 | its dependencies depends on a shared libgcc. |
43198b29 | 1762 | |
1763 | (4) If "-shared" | |
1764 | ||
1765 | If the runtime is fixed to look for program headers instead | |
1766 | of calling __register_frame_info at all, for each object, | |
1767 | use the shared libgcc if any EH symbol referenced. | |
1768 | ||
1769 | If crtstuff is fixed to not invoke __register_frame_info | |
1770 | automatically, for each object, use the shared libgcc if | |
1771 | any non-empty unwind section found. | |
1772 | ||
1773 | Doing any of this probably requires invoking an external program to | |
1774 | do the actual object file scanning. */ | |
1775 | { | |
1776 | const char *p = libgcc_spec; | |
1777 | int in_sep = 1; | |
3cfec666 | 1778 | |
6fba09a6 | 1779 | /* Transform the extant libgcc_spec into one that uses the shared libgcc |
43198b29 | 1780 | when given the proper command line arguments. */ |
1781 | while (*p) | |
1782 | { | |
3cfec666 | 1783 | if (in_sep && *p == '-' && strncmp (p, "-lgcc", 5) == 0) |
43198b29 | 1784 | { |
5cb4c868 | 1785 | init_gcc_specs (&obstack, |
5cb4c868 | 1786 | "-lgcc_s" |
8bdf23ae | 1787 | #ifdef USE_LIBUNWIND_EXCEPTIONS |
1788 | " -lunwind" | |
805e22b2 | 1789 | #endif |
81e210c3 | 1790 | , |
1791 | "-lgcc", | |
1792 | "-lgcc_eh" | |
805e22b2 | 1793 | #ifdef USE_LIBUNWIND_EXCEPTIONS |
79f90e2b | 1794 | # ifdef HAVE_LD_STATIC_DYNAMIC |
6d1ab23d | 1795 | " %{!static:%{!static-pie:" LD_STATIC_OPTION "}} -lunwind" |
1796 | " %{!static:%{!static-pie:" LD_DYNAMIC_OPTION "}}" | |
79f90e2b | 1797 | # else |
805e22b2 | 1798 | " -lunwind" |
79f90e2b | 1799 | # endif |
43198b29 | 1800 | #endif |
81e210c3 | 1801 | ); |
1802 | ||
21eaebc3 | 1803 | p += 5; |
43198b29 | 1804 | in_sep = 0; |
1805 | } | |
21eaebc3 | 1806 | else if (in_sep && *p == 'l' && strncmp (p, "libgcc.a%s", 10) == 0) |
43198b29 | 1807 | { |
1808 | /* Ug. We don't know shared library extensions. Hope that | |
1809 | systems that use this form don't do shared libraries. */ | |
5cb4c868 | 1810 | init_gcc_specs (&obstack, |
6ffda34c | 1811 | "-lgcc_s", |
0d6378a9 | 1812 | "libgcc.a%s", |
974df224 | 1813 | "libgcc_eh.a%s" |
1814 | #ifdef USE_LIBUNWIND_EXCEPTIONS | |
1815 | " -lunwind" | |
1816 | #endif | |
1817 | ); | |
21eaebc3 | 1818 | p += 10; |
43198b29 | 1819 | in_sep = 0; |
1820 | } | |
1821 | else | |
1822 | { | |
1823 | obstack_1grow (&obstack, *p); | |
1824 | in_sep = (*p == ' '); | |
1825 | p += 1; | |
1826 | } | |
1827 | } | |
1828 | ||
1829 | obstack_1grow (&obstack, '\0'); | |
4fac984f | 1830 | libgcc_spec = XOBFINISH (&obstack, const char *); |
43198b29 | 1831 | } |
1832 | #endif | |
c3f311c4 | 1833 | #ifdef USE_AS_TRADITIONAL_FORMAT |
1834 | /* Prepend "--traditional-format" to whatever asm_spec we had before. */ | |
1835 | { | |
e99c3a1d | 1836 | static const char tf[] = "--traditional-format "; |
9af5ce0c | 1837 | obstack_grow (&obstack, tf, sizeof (tf) - 1); |
c3f311c4 | 1838 | obstack_grow0 (&obstack, asm_spec, strlen (asm_spec)); |
4fac984f | 1839 | asm_spec = XOBFINISH (&obstack, const char *); |
c3f311c4 | 1840 | } |
1841 | #endif | |
8271b966 | 1842 | |
3cb9bbfa | 1843 | #if defined LINK_EH_SPEC || defined LINK_BUILDID_SPEC || \ |
1844 | defined LINKER_HASH_STYLE | |
8271b966 | 1845 | # ifdef LINK_BUILDID_SPEC |
1846 | /* Prepend LINK_BUILDID_SPEC to whatever link_spec we had before. */ | |
9af5ce0c | 1847 | obstack_grow (&obstack, LINK_BUILDID_SPEC, sizeof (LINK_BUILDID_SPEC) - 1); |
8271b966 | 1848 | # endif |
1849 | # ifdef LINK_EH_SPEC | |
0d6378a9 | 1850 | /* Prepend LINK_EH_SPEC to whatever link_spec we had before. */ |
9af5ce0c | 1851 | obstack_grow (&obstack, LINK_EH_SPEC, sizeof (LINK_EH_SPEC) - 1); |
3cb9bbfa | 1852 | # endif |
1853 | # ifdef LINKER_HASH_STYLE | |
1854 | /* Prepend --hash-style=LINKER_HASH_STYLE to whatever link_spec we had | |
1855 | before. */ | |
1856 | { | |
1857 | static const char hash_style[] = "--hash-style="; | |
9af5ce0c | 1858 | obstack_grow (&obstack, hash_style, sizeof (hash_style) - 1); |
1859 | obstack_grow (&obstack, LINKER_HASH_STYLE, sizeof (LINKER_HASH_STYLE) - 1); | |
3cb9bbfa | 1860 | obstack_1grow (&obstack, ' '); |
1861 | } | |
8271b966 | 1862 | # endif |
0d6378a9 | 1863 | obstack_grow0 (&obstack, link_spec, strlen (link_spec)); |
4fac984f | 1864 | link_spec = XOBFINISH (&obstack, const char *); |
0d6378a9 | 1865 | #endif |
43198b29 | 1866 | |
988c0ffe | 1867 | specs = sl; |
1868 | } | |
d7a9644e | 1869 | \f |
1870 | /* Change the value of spec NAME to SPEC. If SPEC is empty, then the spec is | |
1871 | removed; If the spec starts with a + then SPEC is added to the end of the | |
a92771b8 | 1872 | current spec. */ |
d7a9644e | 1873 | |
1874 | static void | |
556cfe53 | 1875 | set_spec (const char *name, const char *spec, bool user_p) |
d7a9644e | 1876 | { |
1877 | struct spec_list *sl; | |
e772a198 | 1878 | const char *old_spec; |
988c0ffe | 1879 | int name_len = strlen (name); |
1880 | int i; | |
1881 | ||
d4ea3b1f | 1882 | /* If this is the first call, initialize the statically allocated specs. */ |
4582d741 | 1883 | if (!specs) |
1884 | { | |
2c815aff | 1885 | struct spec_list *next = (struct spec_list *) 0; |
3098b2d3 | 1886 | for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--) |
4582d741 | 1887 | { |
1888 | sl = &static_specs[i]; | |
1889 | sl->next = next; | |
1890 | next = sl; | |
1891 | } | |
1892 | specs = sl; | |
1893 | } | |
1894 | ||
d4ea3b1f | 1895 | /* See if the spec already exists. */ |
d7a9644e | 1896 | for (sl = specs; sl; sl = sl->next) |
988c0ffe | 1897 | if (name_len == sl->name_len && !strcmp (sl->name, name)) |
d7a9644e | 1898 | break; |
1899 | ||
1900 | if (!sl) | |
1901 | { | |
d4ea3b1f | 1902 | /* Not found - make it. */ |
4c36ffe6 | 1903 | sl = XNEW (struct spec_list); |
713829e9 | 1904 | sl->name = xstrdup (name); |
988c0ffe | 1905 | sl->name_len = name_len; |
1906 | sl->ptr_spec = &sl->ptr; | |
1907 | sl->alloc_p = 0; | |
1908 | *(sl->ptr_spec) = ""; | |
d7a9644e | 1909 | sl->next = specs; |
26a4a13d | 1910 | sl->default_ptr = NULL; |
d7a9644e | 1911 | specs = sl; |
1912 | } | |
1913 | ||
988c0ffe | 1914 | old_spec = *(sl->ptr_spec); |
274c11d8 | 1915 | *(sl->ptr_spec) = ((spec[0] == '+' && ISSPACE ((unsigned char)spec[1])) |
4e2023c8 | 1916 | ? concat (old_spec, spec + 1, NULL) |
713829e9 | 1917 | : xstrdup (spec)); |
8b351d3c | 1918 | |
4582d741 | 1919 | #ifdef DEBUG_SPECS |
1920 | if (verbose_flag) | |
a922df2e | 1921 | fnotice (stderr, "Setting spec %s to '%s'\n\n", name, *(sl->ptr_spec)); |
4582d741 | 1922 | #endif |
1923 | ||
d4ea3b1f | 1924 | /* Free the old spec. */ |
988c0ffe | 1925 | if (old_spec && sl->alloc_p) |
9af5ce0c | 1926 | free (CONST_CAST (char *, old_spec)); |
988c0ffe | 1927 | |
556cfe53 | 1928 | sl->user_p = user_p; |
1929 | sl->alloc_p = true; | |
d7a9644e | 1930 | } |
1931 | \f | |
1932 | /* Accumulate a command (program name and args), and run it. */ | |
1933 | ||
9d9edc85 | 1934 | typedef const char *const_char_p; /* For DEF_VEC_P. */ |
d7a9644e | 1935 | |
9d9edc85 | 1936 | /* Vector of pointers to arguments in the current line of specifications. */ |
f1f41a6c | 1937 | static vec<const_char_p> argbuf; |
d7a9644e | 1938 | |
39bc186e | 1939 | /* Likewise, but for the current @file. */ |
1940 | static vec<const_char_p> at_file_argbuf; | |
1941 | ||
1942 | /* Whether an @file is currently open. */ | |
1943 | static bool in_at_file = false; | |
1944 | ||
a2000777 | 1945 | /* Were the options -c, -S or -E passed. */ |
89dfd38d | 1946 | static int have_c = 0; |
1947 | ||
1948 | /* Was the option -o passed. */ | |
1949 | static int have_o = 0; | |
1950 | ||
800e901e | 1951 | /* Was the option -E passed. */ |
1952 | static int have_E = 0; | |
1953 | ||
4d0069ee | 1954 | /* Pointer to output file name passed in with -o. */ |
1955 | static const char *output_file = 0; | |
1956 | ||
655a58fa | 1957 | /* This is the list of suffixes and codes (%g/%u/%U/%j) and the associated |
1958 | temp file. If the HOST_BIT_BUCKET is used for %j, no entry is made for | |
1959 | it here. */ | |
4576c73f | 1960 | |
1961 | static struct temp_name { | |
e40d43cc | 1962 | const char *suffix; /* suffix associated with the code. */ |
4576c73f | 1963 | int length; /* strlen (suffix). */ |
1964 | int unique; /* Indicates whether %g or %u/%U was used. */ | |
e40d43cc | 1965 | const char *filename; /* associated filename. */ |
4576c73f | 1966 | int filename_length; /* strlen (filename). */ |
1967 | struct temp_name *next; | |
1968 | } *temp_names; | |
1526a87c | 1969 | |
d7a9644e | 1970 | /* Number of commands executed so far. */ |
1971 | ||
1972 | static int execution_count; | |
1973 | ||
68360609 | 1974 | /* Number of commands that exited with a signal. */ |
1975 | ||
1976 | static int signal_count; | |
d7a9644e | 1977 | \f |
c21b3276 | 1978 | /* Allocate the argument vector. */ |
1979 | ||
1980 | static void | |
a046944b | 1981 | alloc_args (void) |
c21b3276 | 1982 | { |
f1f41a6c | 1983 | argbuf.create (10); |
39bc186e | 1984 | at_file_argbuf.create (10); |
c21b3276 | 1985 | } |
1986 | ||
d7a9644e | 1987 | /* Clear out the vector of arguments (after a command is executed). */ |
1988 | ||
1989 | static void | |
952f0048 | 1990 | clear_args (void) |
d7a9644e | 1991 | { |
f1f41a6c | 1992 | argbuf.truncate (0); |
39bc186e | 1993 | at_file_argbuf.truncate (0); |
d7a9644e | 1994 | } |
1995 | ||
1996 | /* Add one argument to the vector at the end. | |
1997 | This is done when a space is seen or at the end of the line. | |
1998 | If DELETE_ALWAYS is nonzero, the arg is a filename | |
1999 | and the file should be deleted eventually. | |
2000 | If DELETE_FAILURE is nonzero, the arg is a filename | |
2001 | and the file should be deleted if this compilation fails. */ | |
2002 | ||
2003 | static void | |
952f0048 | 2004 | store_arg (const char *arg, int delete_always, int delete_failure) |
d7a9644e | 2005 | { |
39bc186e | 2006 | if (in_at_file) |
2007 | at_file_argbuf.safe_push (arg); | |
2008 | else | |
2009 | argbuf.safe_push (arg); | |
d7a9644e | 2010 | |
2011 | if (delete_always || delete_failure) | |
d9f0ee99 | 2012 | { |
2013 | const char *p; | |
2014 | /* If the temporary file we should delete is specified as | |
2015 | part of a joined argument extract the filename. */ | |
2016 | if (arg[0] == '-' | |
2017 | && (p = strrchr (arg, '='))) | |
2018 | arg = p + 1; | |
2019 | record_temp_file (arg, delete_always, delete_failure); | |
2020 | } | |
d7a9644e | 2021 | } |
39bc186e | 2022 | |
2023 | /* Open a temporary @file into which subsequent arguments will be stored. */ | |
2024 | ||
2025 | static void | |
2026 | open_at_file (void) | |
2027 | { | |
2028 | if (in_at_file) | |
2029 | fatal_error (input_location, "cannot open nested response file"); | |
2030 | else | |
2031 | in_at_file = true; | |
2032 | } | |
2033 | ||
2034 | /* Close the temporary @file and add @file to the argument list. */ | |
2035 | ||
2036 | static void | |
2037 | close_at_file (void) | |
2038 | { | |
2039 | if (!in_at_file) | |
2040 | fatal_error (input_location, "cannot close nonexistent response file"); | |
2041 | ||
2042 | in_at_file = false; | |
2043 | ||
2044 | const unsigned int n_args = at_file_argbuf.length (); | |
2045 | if (n_args == 0) | |
2046 | return; | |
2047 | ||
2048 | char **argv = (char **) alloca (sizeof (char *) * (n_args + 1)); | |
2049 | char *temp_file = make_temp_file (""); | |
2050 | char *at_argument = concat ("@", temp_file, NULL); | |
2051 | FILE *f = fopen (temp_file, "w"); | |
2052 | int status; | |
2053 | unsigned int i; | |
2054 | ||
2055 | /* Copy the strings over. */ | |
2056 | for (i = 0; i < n_args; i++) | |
2057 | argv[i] = CONST_CAST (char *, at_file_argbuf[i]); | |
2058 | argv[i] = NULL; | |
2059 | ||
2060 | at_file_argbuf.truncate (0); | |
2061 | ||
2062 | if (f == NULL) | |
2063 | fatal_error (input_location, "could not open temporary response file %s", | |
2064 | temp_file); | |
2065 | ||
2066 | status = writeargv (argv, f); | |
2067 | ||
2068 | if (status) | |
2069 | fatal_error (input_location, | |
2070 | "could not write to temporary response file %s", | |
2071 | temp_file); | |
2072 | ||
2073 | status = fclose (f); | |
2074 | ||
2075 | if (status == EOF) | |
2076 | fatal_error (input_location, "could not close temporary response file %s", | |
2077 | temp_file); | |
2078 | ||
2079 | store_arg (at_argument, 0, 0); | |
2080 | ||
2081 | record_temp_file (temp_file, !save_temps_flag, !save_temps_flag); | |
2082 | } | |
d7a9644e | 2083 | \f |
424da949 | 2084 | /* Load specs from a file name named FILENAME, replacing occurrences of |
2c815aff | 2085 | various different types of line-endings, \r\n, \n\r and just \r, with |
bee69028 | 2086 | a single \n. */ |
4582d741 | 2087 | |
026f2c7a | 2088 | static char * |
952f0048 | 2089 | load_specs (const char *filename) |
4582d741 | 2090 | { |
2091 | int desc; | |
2092 | int readlen; | |
2093 | struct stat statbuf; | |
2094 | char *buffer; | |
bee69028 | 2095 | char *buffer_p; |
2096 | char *specs; | |
2097 | char *specs_p; | |
4582d741 | 2098 | |
2099 | if (verbose_flag) | |
a922df2e | 2100 | fnotice (stderr, "Reading specs from %s\n", filename); |
4582d741 | 2101 | |
2102 | /* Open and stat the file. */ | |
2103 | desc = open (filename, O_RDONLY, 0); | |
2104 | if (desc < 0) | |
a00c2b64 | 2105 | { |
2106 | failed: | |
2107 | /* This leaves DESC open, but the OS will save us. */ | |
7bc2f5b4 | 2108 | fatal_error (input_location, "cannot read spec file %qs: %m", filename); |
a00c2b64 | 2109 | } |
2110 | ||
4582d741 | 2111 | if (stat (filename, &statbuf) < 0) |
a00c2b64 | 2112 | goto failed; |
4582d741 | 2113 | |
2114 | /* Read contents of file into BUFFER. */ | |
4c36ffe6 | 2115 | buffer = XNEWVEC (char, statbuf.st_size + 1); |
4582d741 | 2116 | readlen = read (desc, buffer, (unsigned) statbuf.st_size); |
2117 | if (readlen < 0) | |
a00c2b64 | 2118 | goto failed; |
4582d741 | 2119 | buffer[readlen] = 0; |
2120 | close (desc); | |
2121 | ||
4c36ffe6 | 2122 | specs = XNEWVEC (char, readlen + 1); |
bee69028 | 2123 | specs_p = specs; |
2124 | for (buffer_p = buffer; buffer_p && *buffer_p; buffer_p++) | |
2125 | { | |
2126 | int skip = 0; | |
2127 | char c = *buffer_p; | |
2128 | if (c == '\r') | |
026f2c7a | 2129 | { |
2130 | if (buffer_p > buffer && *(buffer_p - 1) == '\n') /* \n\r */ | |
bee69028 | 2131 | skip = 1; |
026f2c7a | 2132 | else if (*(buffer_p + 1) == '\n') /* \r\n */ |
bee69028 | 2133 | skip = 1; |
2134 | else /* \r */ | |
2135 | c = '\n'; | |
2136 | } | |
2137 | if (! skip) | |
2138 | *specs_p++ = c; | |
2139 | } | |
2140 | *specs_p = '\0'; | |
2141 | ||
2142 | free (buffer); | |
2143 | return (specs); | |
2144 | } | |
2145 | ||
2146 | /* Read compilation specs from a file named FILENAME, | |
2147 | replacing the default ones. | |
2148 | ||
2149 | A suffix which starts with `*' is a definition for | |
2150 | one of the machine-specific sub-specs. The "suffix" should be | |
537c4bc6 | 2151 | *asm, *cc1, *cpp, *link, *startfile, etc. |
bee69028 | 2152 | The corresponding spec is stored in asm_spec, etc., |
2153 | rather than in the `compilers' vector. | |
2154 | ||
2155 | Anything invalid in the file is a fatal error. */ | |
2156 | ||
2157 | static void | |
556cfe53 | 2158 | read_specs (const char *filename, bool main_p, bool user_p) |
bee69028 | 2159 | { |
2160 | char *buffer; | |
19cb6b50 | 2161 | char *p; |
bee69028 | 2162 | |
2163 | buffer = load_specs (filename); | |
2164 | ||
4582d741 | 2165 | /* Scan BUFFER for specs, putting them in the vector. */ |
2166 | p = buffer; | |
2167 | while (1) | |
2168 | { | |
2169 | char *suffix; | |
2170 | char *spec; | |
2171 | char *in, *out, *p1, *p2, *p3; | |
2172 | ||
2173 | /* Advance P in BUFFER to the next nonblank nocomment line. */ | |
2174 | p = skip_whitespace (p); | |
2175 | if (*p == 0) | |
2176 | break; | |
2177 | ||
2178 | /* Is this a special command that starts with '%'? */ | |
2179 | /* Don't allow this for the main specs file, since it would | |
2180 | encourage people to overwrite it. */ | |
2181 | if (*p == '%' && !main_p) | |
2182 | { | |
2183 | p1 = p; | |
0dbd1c74 | 2184 | while (*p && *p != '\n') |
2185 | p++; | |
2186 | ||
026f2c7a | 2187 | /* Skip '\n'. */ |
2188 | p++; | |
4582d741 | 2189 | |
026f2c7a | 2190 | if (!strncmp (p1, "%include", sizeof ("%include") - 1) |
0dbd1c74 | 2191 | && (p1[sizeof "%include" - 1] == ' ' |
2192 | || p1[sizeof "%include" - 1] == '\t')) | |
4582d741 | 2193 | { |
2194 | char *new_filename; | |
2195 | ||
2196 | p1 += sizeof ("%include"); | |
0dbd1c74 | 2197 | while (*p1 == ' ' || *p1 == '\t') |
2198 | p1++; | |
4582d741 | 2199 | |
2200 | if (*p1++ != '<' || p[-2] != '>') | |
c05be867 | 2201 | fatal_error (input_location, |
2202 | "specs %%include syntax malformed after " | |
a922df2e | 2203 | "%ld characters", |
2204 | (long) (p1 - buffer + 1)); | |
4582d741 | 2205 | |
2206 | p[-2] = '\0'; | |
067277c3 | 2207 | new_filename = find_a_file (&startfile_prefixes, p1, R_OK, true); |
556cfe53 | 2208 | read_specs (new_filename ? new_filename : p1, false, user_p); |
4582d741 | 2209 | continue; |
2210 | } | |
0dbd1c74 | 2211 | else if (!strncmp (p1, "%include_noerr", sizeof "%include_noerr" - 1) |
2212 | && (p1[sizeof "%include_noerr" - 1] == ' ' | |
2213 | || p1[sizeof "%include_noerr" - 1] == '\t')) | |
4582d741 | 2214 | { |
2215 | char *new_filename; | |
2216 | ||
0dbd1c74 | 2217 | p1 += sizeof "%include_noerr"; |
026f2c7a | 2218 | while (*p1 == ' ' || *p1 == '\t') |
2219 | p1++; | |
4582d741 | 2220 | |
2221 | if (*p1++ != '<' || p[-2] != '>') | |
c05be867 | 2222 | fatal_error (input_location, |
2223 | "specs %%include syntax malformed after " | |
a922df2e | 2224 | "%ld characters", |
2225 | (long) (p1 - buffer + 1)); | |
4582d741 | 2226 | |
2227 | p[-2] = '\0'; | |
067277c3 | 2228 | new_filename = find_a_file (&startfile_prefixes, p1, R_OK, true); |
4582d741 | 2229 | if (new_filename) |
556cfe53 | 2230 | read_specs (new_filename, false, user_p); |
4582d741 | 2231 | else if (verbose_flag) |
a922df2e | 2232 | fnotice (stderr, "could not find specs file %s\n", p1); |
4582d741 | 2233 | continue; |
2234 | } | |
0dbd1c74 | 2235 | else if (!strncmp (p1, "%rename", sizeof "%rename" - 1) |
2236 | && (p1[sizeof "%rename" - 1] == ' ' | |
2237 | || p1[sizeof "%rename" - 1] == '\t')) | |
4582d741 | 2238 | { |
2239 | int name_len; | |
2240 | struct spec_list *sl; | |
1686d9b4 | 2241 | struct spec_list *newsl; |
4582d741 | 2242 | |
1686d9b4 | 2243 | /* Get original name. */ |
0dbd1c74 | 2244 | p1 += sizeof "%rename"; |
2245 | while (*p1 == ' ' || *p1 == '\t') | |
2246 | p1++; | |
2247 | ||
2c815aff | 2248 | if (! ISALPHA ((unsigned char) *p1)) |
c05be867 | 2249 | fatal_error (input_location, |
2250 | "specs %%rename syntax malformed after " | |
a922df2e | 2251 | "%ld characters", |
2252 | (long) (p1 - buffer)); | |
4582d741 | 2253 | |
2254 | p2 = p1; | |
2c815aff | 2255 | while (*p2 && !ISSPACE ((unsigned char) *p2)) |
0dbd1c74 | 2256 | p2++; |
2257 | ||
4582d741 | 2258 | if (*p2 != ' ' && *p2 != '\t') |
c05be867 | 2259 | fatal_error (input_location, |
2260 | "specs %%rename syntax malformed after " | |
a922df2e | 2261 | "%ld characters", |
2262 | (long) (p2 - buffer)); | |
4582d741 | 2263 | |
2264 | name_len = p2 - p1; | |
2265 | *p2++ = '\0'; | |
0dbd1c74 | 2266 | while (*p2 == ' ' || *p2 == '\t') |
2267 | p2++; | |
2268 | ||
2c815aff | 2269 | if (! ISALPHA ((unsigned char) *p2)) |
c05be867 | 2270 | fatal_error (input_location, |
2271 | "specs %%rename syntax malformed after " | |
a922df2e | 2272 | "%ld characters", |
2273 | (long) (p2 - buffer)); | |
4582d741 | 2274 | |
026f2c7a | 2275 | /* Get new spec name. */ |
4582d741 | 2276 | p3 = p2; |
2c815aff | 2277 | while (*p3 && !ISSPACE ((unsigned char) *p3)) |
0dbd1c74 | 2278 | p3++; |
2279 | ||
026f2c7a | 2280 | if (p3 != p - 1) |
c05be867 | 2281 | fatal_error (input_location, |
2282 | "specs %%rename syntax malformed after " | |
a922df2e | 2283 | "%ld characters", |
2284 | (long) (p3 - buffer)); | |
4582d741 | 2285 | *p3 = '\0'; |
2286 | ||
2287 | for (sl = specs; sl; sl = sl->next) | |
2288 | if (name_len == sl->name_len && !strcmp (sl->name, p1)) | |
2289 | break; | |
2290 | ||
2291 | if (!sl) | |
c05be867 | 2292 | fatal_error (input_location, |
2293 | "specs %s spec was not found to be renamed", p1); | |
4582d741 | 2294 | |
0dbd1c74 | 2295 | if (strcmp (p1, p2) == 0) |
4582d741 | 2296 | continue; |
2297 | ||
1686d9b4 | 2298 | for (newsl = specs; newsl; newsl = newsl->next) |
2299 | if (strcmp (newsl->name, p2) == 0) | |
c05be867 | 2300 | fatal_error (input_location, |
2301 | "%s: attempt to rename spec %qs to " | |
a8c464ac | 2302 | "already defined spec %qs", |
1686d9b4 | 2303 | filename, p1, p2); |
2304 | ||
4582d741 | 2305 | if (verbose_flag) |
2306 | { | |
a922df2e | 2307 | fnotice (stderr, "rename spec %s to %s\n", p1, p2); |
4582d741 | 2308 | #ifdef DEBUG_SPECS |
a922df2e | 2309 | fnotice (stderr, "spec is '%s'\n\n", *(sl->ptr_spec)); |
4582d741 | 2310 | #endif |
2311 | } | |
2312 | ||
556cfe53 | 2313 | set_spec (p2, *(sl->ptr_spec), user_p); |
4582d741 | 2314 | if (sl->alloc_p) |
e47a6f81 | 2315 | free (CONST_CAST (char *, *(sl->ptr_spec))); |
4582d741 | 2316 | |
2317 | *(sl->ptr_spec) = ""; | |
2318 | sl->alloc_p = 0; | |
2319 | continue; | |
2320 | } | |
2321 | else | |
c05be867 | 2322 | fatal_error (input_location, |
2323 | "specs unknown %% command after %ld characters", | |
a922df2e | 2324 | (long) (p1 - buffer)); |
4582d741 | 2325 | } |
2326 | ||
2327 | /* Find the colon that should end the suffix. */ | |
2328 | p1 = p; | |
0dbd1c74 | 2329 | while (*p1 && *p1 != ':' && *p1 != '\n') |
2330 | p1++; | |
2331 | ||
4582d741 | 2332 | /* The colon shouldn't be missing. */ |
2333 | if (*p1 != ':') | |
c05be867 | 2334 | fatal_error (input_location, |
2335 | "specs file malformed after %ld characters", | |
a922df2e | 2336 | (long) (p1 - buffer)); |
0dbd1c74 | 2337 | |
4582d741 | 2338 | /* Skip back over trailing whitespace. */ |
2339 | p2 = p1; | |
0dbd1c74 | 2340 | while (p2 > buffer && (p2[-1] == ' ' || p2[-1] == '\t')) |
2341 | p2--; | |
2342 | ||
4582d741 | 2343 | /* Copy the suffix to a string. */ |
2344 | suffix = save_string (p, p2 - p); | |
2345 | /* Find the next line. */ | |
2346 | p = skip_whitespace (p1 + 1); | |
2347 | if (p[1] == 0) | |
c05be867 | 2348 | fatal_error (input_location, |
2349 | "specs file malformed after %ld characters", | |
a922df2e | 2350 | (long) (p - buffer)); |
0dbd1c74 | 2351 | |
4582d741 | 2352 | p1 = p; |
623feb20 | 2353 | /* Find next blank line or end of string. */ |
2354 | while (*p1 && !(*p1 == '\n' && (p1[1] == '\n' || p1[1] == '\0'))) | |
0dbd1c74 | 2355 | p1++; |
2356 | ||
4582d741 | 2357 | /* Specs end at the blank line and do not include the newline. */ |
2358 | spec = save_string (p, p1 - p); | |
2359 | p = p1; | |
2360 | ||
2361 | /* Delete backslash-newline sequences from the spec. */ | |
2362 | in = spec; | |
2363 | out = spec; | |
2364 | while (*in != 0) | |
2365 | { | |
2366 | if (in[0] == '\\' && in[1] == '\n') | |
2367 | in += 2; | |
2368 | else if (in[0] == '#') | |
0dbd1c74 | 2369 | while (*in && *in != '\n') |
2370 | in++; | |
2371 | ||
4582d741 | 2372 | else |
2373 | *out++ = *in++; | |
2374 | } | |
2375 | *out = 0; | |
2376 | ||
2377 | if (suffix[0] == '*') | |
2378 | { | |
2379 | if (! strcmp (suffix, "*link_command")) | |
2380 | link_command_spec = spec; | |
2381 | else | |
26a4a13d | 2382 | { |
2383 | set_spec (suffix + 1, spec, user_p); | |
2384 | free (spec); | |
2385 | } | |
4582d741 | 2386 | } |
2387 | else | |
2388 | { | |
2389 | /* Add this pair to the vector. */ | |
2390 | compilers | |
25a1c410 | 2391 | = XRESIZEVEC (struct compiler, compilers, n_compilers + 2); |
0dbd1c74 | 2392 | |
4582d741 | 2393 | compilers[n_compilers].suffix = suffix; |
1cf79a1a | 2394 | compilers[n_compilers].spec = spec; |
4582d741 | 2395 | n_compilers++; |
7f0b0c27 | 2396 | memset (&compilers[n_compilers], 0, sizeof compilers[n_compilers]); |
4582d741 | 2397 | } |
2398 | ||
2399 | if (*suffix == 0) | |
2400 | link_command_spec = spec; | |
2401 | } | |
2402 | ||
2403 | if (link_command_spec == 0) | |
c05be867 | 2404 | fatal_error (input_location, "spec file has no spec for linking"); |
26a4a13d | 2405 | |
2406 | XDELETEVEC (buffer); | |
4582d741 | 2407 | } |
2408 | \f | |
d7a9644e | 2409 | /* Record the names of temporary files we tell compilers to write, |
2410 | and delete them at the end of the run. */ | |
2411 | ||
774abee6 | 2412 | /* This is the common prefix we use to make temp file names. |
2413 | It is chosen once for each run of this program. | |
2414 | It is substituted into a spec by %g or %j. | |
2415 | Thus, all temp file names contain this prefix. | |
2416 | In practice, all temp file names start with this prefix. | |
2417 | ||
2418 | This prefix comes from the envvar TMPDIR if it is defined; | |
2419 | otherwise, from the P_tmpdir macro if that is defined; | |
2420 | otherwise, in /usr/tmp or /tmp; | |
2421 | or finally the current directory if all else fails. */ | |
2422 | ||
2423 | static const char *temp_filename; | |
2424 | ||
2425 | /* Length of the prefix. */ | |
2426 | ||
2427 | static int temp_filename_length; | |
2428 | ||
d7a9644e | 2429 | /* Define the list of temporary files to delete. */ |
2430 | ||
2431 | struct temp_file | |
2432 | { | |
e40d43cc | 2433 | const char *name; |
d7a9644e | 2434 | struct temp_file *next; |
2435 | }; | |
2436 | ||
2437 | /* Queue of files to delete on success or failure of compilation. */ | |
2438 | static struct temp_file *always_delete_queue; | |
2439 | /* Queue of files to delete on failure of compilation. */ | |
2440 | static struct temp_file *failure_delete_queue; | |
2441 | ||
2442 | /* Record FILENAME as a file to be deleted automatically. | |
2443 | ALWAYS_DELETE nonzero means delete it if all compilation succeeds; | |
2444 | otherwise delete it in any case. | |
2445 | FAIL_DELETE nonzero means delete it if a compilation step fails; | |
2446 | otherwise delete it in any case. */ | |
2447 | ||
833a5c07 | 2448 | void |
952f0048 | 2449 | record_temp_file (const char *filename, int always_delete, int fail_delete) |
d7a9644e | 2450 | { |
19cb6b50 | 2451 | char *const name = xstrdup (filename); |
d7a9644e | 2452 | |
2453 | if (always_delete) | |
2454 | { | |
19cb6b50 | 2455 | struct temp_file *temp; |
d7a9644e | 2456 | for (temp = always_delete_queue; temp; temp = temp->next) |
82715bcd | 2457 | if (! filename_cmp (name, temp->name)) |
b7cbf36d | 2458 | { |
2459 | free (name); | |
2460 | goto already1; | |
2461 | } | |
0dbd1c74 | 2462 | |
4c36ffe6 | 2463 | temp = XNEW (struct temp_file); |
d7a9644e | 2464 | temp->next = always_delete_queue; |
2465 | temp->name = name; | |
2466 | always_delete_queue = temp; | |
0dbd1c74 | 2467 | |
d7a9644e | 2468 | already1:; |
2469 | } | |
2470 | ||
2471 | if (fail_delete) | |
2472 | { | |
19cb6b50 | 2473 | struct temp_file *temp; |
d7a9644e | 2474 | for (temp = failure_delete_queue; temp; temp = temp->next) |
82715bcd | 2475 | if (! filename_cmp (name, temp->name)) |
ce0fdb91 | 2476 | { |
2477 | free (name); | |
2478 | goto already2; | |
2479 | } | |
0dbd1c74 | 2480 | |
4c36ffe6 | 2481 | temp = XNEW (struct temp_file); |
d7a9644e | 2482 | temp->next = failure_delete_queue; |
2483 | temp->name = name; | |
2484 | failure_delete_queue = temp; | |
0dbd1c74 | 2485 | |
d7a9644e | 2486 | already2:; |
2487 | } | |
2488 | } | |
2489 | ||
2490 | /* Delete all the temporary files whose names we previously recorded. */ | |
2491 | ||
767efd18 | 2492 | #ifndef DELETE_IF_ORDINARY |
2493 | #define DELETE_IF_ORDINARY(NAME,ST,VERBOSE_FLAG) \ | |
2494 | do \ | |
2495 | { \ | |
2496 | if (stat (NAME, &ST) >= 0 && S_ISREG (ST.st_mode)) \ | |
2497 | if (unlink (NAME) < 0) \ | |
2498 | if (VERBOSE_FLAG) \ | |
a00c2b64 | 2499 | error ("%s: %m", (NAME)); \ |
767efd18 | 2500 | } while (0) |
2501 | #endif | |
2502 | ||
8149a4fc | 2503 | static void |
952f0048 | 2504 | delete_if_ordinary (const char *name) |
8149a4fc | 2505 | { |
2506 | struct stat st; | |
2507 | #ifdef DEBUG | |
2508 | int i, c; | |
2509 | ||
2510 | printf ("Delete %s? (y or n) ", name); | |
2511 | fflush (stdout); | |
2512 | i = getchar (); | |
2513 | if (i != '\n') | |
0dbd1c74 | 2514 | while ((c = getchar ()) != '\n' && c != EOF) |
2515 | ; | |
2516 | ||
8149a4fc | 2517 | if (i == 'y' || i == 'Y') |
2518 | #endif /* DEBUG */ | |
767efd18 | 2519 | DELETE_IF_ORDINARY (name, st, verbose_flag); |
8149a4fc | 2520 | } |
2521 | ||
d7a9644e | 2522 | static void |
952f0048 | 2523 | delete_temp_files (void) |
d7a9644e | 2524 | { |
19cb6b50 | 2525 | struct temp_file *temp; |
d7a9644e | 2526 | |
2527 | for (temp = always_delete_queue; temp; temp = temp->next) | |
8149a4fc | 2528 | delete_if_ordinary (temp->name); |
d7a9644e | 2529 | always_delete_queue = 0; |
2530 | } | |
2531 | ||
2532 | /* Delete all the files to be deleted on error. */ | |
2533 | ||
2534 | static void | |
952f0048 | 2535 | delete_failure_queue (void) |
d7a9644e | 2536 | { |
19cb6b50 | 2537 | struct temp_file *temp; |
d7a9644e | 2538 | |
2539 | for (temp = failure_delete_queue; temp; temp = temp->next) | |
8149a4fc | 2540 | delete_if_ordinary (temp->name); |
d7a9644e | 2541 | } |
2542 | ||
2543 | static void | |
952f0048 | 2544 | clear_failure_queue (void) |
d7a9644e | 2545 | { |
2546 | failure_delete_queue = 0; | |
2547 | } | |
8894538a | 2548 | \f |
067277c3 | 2549 | /* Call CALLBACK for each path in PATHS, breaking out early if CALLBACK |
2550 | returns non-NULL. | |
2551 | If DO_MULTI is true iterate over the paths twice, first with multilib | |
2552 | suffix then without, otherwise iterate over the paths once without | |
2553 | adding a multilib suffix. When DO_MULTI is true, some attempt is made | |
2554 | to avoid visiting the same path twice, but we could do better. For | |
2555 | instance, /usr/lib/../lib is considered different from /usr/lib. | |
2556 | At least EXTRA_SPACE chars past the end of the path passed to | |
2557 | CALLBACK are available for use by the callback. | |
2558 | CALLBACK_INFO allows extra parameters to be passed to CALLBACK. | |
2559 | ||
2560 | Returns the value returned by CALLBACK. */ | |
2561 | ||
2562 | static void * | |
2563 | for_each_path (const struct path_prefix *paths, | |
2564 | bool do_multi, | |
2565 | size_t extra_space, | |
2566 | void *(*callback) (char *, void *), | |
2567 | void *callback_info) | |
8894538a | 2568 | { |
067277c3 | 2569 | struct prefix_list *pl; |
2570 | const char *multi_dir = NULL; | |
2571 | const char *multi_os_dir = NULL; | |
77adc39e | 2572 | const char *multiarch_suffix = NULL; |
067277c3 | 2573 | const char *multi_suffix; |
2574 | const char *just_multi_suffix; | |
2575 | char *path = NULL; | |
2576 | void *ret = NULL; | |
2577 | bool skip_multi_dir = false; | |
2578 | bool skip_multi_os_dir = false; | |
2579 | ||
2580 | multi_suffix = machine_suffix; | |
2581 | just_multi_suffix = just_machine_suffix; | |
2582 | if (do_multi && multilib_dir && strcmp (multilib_dir, ".") != 0) | |
8894538a | 2583 | { |
067277c3 | 2584 | multi_dir = concat (multilib_dir, dir_separator_str, NULL); |
2585 | multi_suffix = concat (multi_suffix, multi_dir, NULL); | |
2586 | just_multi_suffix = concat (just_multi_suffix, multi_dir, NULL); | |
2587 | } | |
2588 | if (do_multi && multilib_os_dir && strcmp (multilib_os_dir, ".") != 0) | |
2589 | multi_os_dir = concat (multilib_os_dir, dir_separator_str, NULL); | |
77adc39e | 2590 | if (multiarch_dir) |
2591 | multiarch_suffix = concat (multiarch_dir, dir_separator_str, NULL); | |
8894538a | 2592 | |
067277c3 | 2593 | while (1) |
2594 | { | |
2595 | size_t multi_dir_len = 0; | |
2596 | size_t multi_os_dir_len = 0; | |
77adc39e | 2597 | size_t multiarch_len = 0; |
067277c3 | 2598 | size_t suffix_len; |
2599 | size_t just_suffix_len; | |
2600 | size_t len; | |
2601 | ||
2602 | if (multi_dir) | |
2603 | multi_dir_len = strlen (multi_dir); | |
2604 | if (multi_os_dir) | |
2605 | multi_os_dir_len = strlen (multi_os_dir); | |
77adc39e | 2606 | if (multiarch_suffix) |
2607 | multiarch_len = strlen (multiarch_suffix); | |
067277c3 | 2608 | suffix_len = strlen (multi_suffix); |
2609 | just_suffix_len = strlen (just_multi_suffix); | |
2610 | ||
2611 | if (path == NULL) | |
8894538a | 2612 | { |
067277c3 | 2613 | len = paths->max_len + extra_space + 1; |
77adc39e | 2614 | len += MAX (MAX (suffix_len, multi_os_dir_len), multiarch_len); |
4c36ffe6 | 2615 | path = XNEWVEC (char, len); |
8894538a | 2616 | } |
2617 | ||
067277c3 | 2618 | for (pl = paths->plist; pl != 0; pl = pl->next) |
3ec1fc1b | 2619 | { |
067277c3 | 2620 | len = strlen (pl->prefix); |
2621 | memcpy (path, pl->prefix, len); | |
2c815aff | 2622 | |
067277c3 | 2623 | /* Look first in MACHINE/VERSION subdirectory. */ |
2624 | if (!skip_multi_dir) | |
2625 | { | |
2626 | memcpy (path + len, multi_suffix, suffix_len + 1); | |
2627 | ret = callback (path, callback_info); | |
2628 | if (ret) | |
2629 | break; | |
2630 | } | |
2631 | ||
2632 | /* Some paths are tried with just the machine (ie. target) | |
2633 | subdir. This is used for finding as, ld, etc. */ | |
2634 | if (!skip_multi_dir | |
2635 | && pl->require_machine_suffix == 2) | |
2636 | { | |
2637 | memcpy (path + len, just_multi_suffix, just_suffix_len + 1); | |
2638 | ret = callback (path, callback_info); | |
2639 | if (ret) | |
2640 | break; | |
2641 | } | |
2642 | ||
77adc39e | 2643 | /* Now try the multiarch path. */ |
2644 | if (!skip_multi_dir | |
2645 | && !pl->require_machine_suffix && multiarch_dir) | |
2646 | { | |
2647 | memcpy (path + len, multiarch_suffix, multiarch_len + 1); | |
2648 | ret = callback (path, callback_info); | |
2649 | if (ret) | |
2650 | break; | |
2651 | } | |
2652 | ||
067277c3 | 2653 | /* Now try the base path. */ |
2654 | if (!pl->require_machine_suffix | |
2655 | && !(pl->os_multilib ? skip_multi_os_dir : skip_multi_dir)) | |
2656 | { | |
2657 | const char *this_multi; | |
2658 | size_t this_multi_len; | |
2659 | ||
2660 | if (pl->os_multilib) | |
2661 | { | |
2662 | this_multi = multi_os_dir; | |
2663 | this_multi_len = multi_os_dir_len; | |
2664 | } | |
2665 | else | |
2666 | { | |
2667 | this_multi = multi_dir; | |
2668 | this_multi_len = multi_dir_len; | |
2669 | } | |
2670 | ||
2671 | if (this_multi_len) | |
2672 | memcpy (path + len, this_multi, this_multi_len + 1); | |
2673 | else | |
2674 | path[len] = '\0'; | |
2675 | ||
2676 | ret = callback (path, callback_info); | |
2677 | if (ret) | |
2678 | break; | |
2679 | } | |
3ec1fc1b | 2680 | } |
067277c3 | 2681 | if (pl) |
2682 | break; | |
3ec1fc1b | 2683 | |
067277c3 | 2684 | if (multi_dir == NULL && multi_os_dir == NULL) |
2685 | break; | |
8894538a | 2686 | |
067277c3 | 2687 | /* Run through the paths again, this time without multilibs. |
2688 | Don't repeat any we have already seen. */ | |
2689 | if (multi_dir) | |
2690 | { | |
e47a6f81 | 2691 | free (CONST_CAST (char *, multi_dir)); |
067277c3 | 2692 | multi_dir = NULL; |
e47a6f81 | 2693 | free (CONST_CAST (char *, multi_suffix)); |
067277c3 | 2694 | multi_suffix = machine_suffix; |
e47a6f81 | 2695 | free (CONST_CAST (char *, just_multi_suffix)); |
067277c3 | 2696 | just_multi_suffix = just_machine_suffix; |
8894538a | 2697 | } |
067277c3 | 2698 | else |
2699 | skip_multi_dir = true; | |
2700 | if (multi_os_dir) | |
2701 | { | |
e47a6f81 | 2702 | free (CONST_CAST (char *, multi_os_dir)); |
067277c3 | 2703 | multi_os_dir = NULL; |
2704 | } | |
2705 | else | |
2706 | skip_multi_os_dir = true; | |
2707 | } | |
2708 | ||
2709 | if (multi_dir) | |
2710 | { | |
e47a6f81 | 2711 | free (CONST_CAST (char *, multi_dir)); |
2712 | free (CONST_CAST (char *, multi_suffix)); | |
2713 | free (CONST_CAST (char *, just_multi_suffix)); | |
8894538a | 2714 | } |
067277c3 | 2715 | if (multi_os_dir) |
e47a6f81 | 2716 | free (CONST_CAST (char *, multi_os_dir)); |
067277c3 | 2717 | if (ret != path) |
2718 | free (path); | |
2719 | return ret; | |
2720 | } | |
2721 | ||
2722 | /* Callback for build_search_list. Adds path to obstack being built. */ | |
2723 | ||
2724 | struct add_to_obstack_info { | |
2725 | struct obstack *ob; | |
2726 | bool check_dir; | |
2727 | bool first_time; | |
2728 | }; | |
2729 | ||
2730 | static void * | |
2731 | add_to_obstack (char *path, void *data) | |
2732 | { | |
25a1c410 | 2733 | struct add_to_obstack_info *info = (struct add_to_obstack_info *) data; |
067277c3 | 2734 | |
2735 | if (info->check_dir && !is_directory (path, false)) | |
2736 | return NULL; | |
2737 | ||
2738 | if (!info->first_time) | |
2739 | obstack_1grow (info->ob, PATH_SEPARATOR); | |
2740 | ||
2741 | obstack_grow (info->ob, path, strlen (path)); | |
2742 | ||
2743 | info->first_time = false; | |
2744 | return NULL; | |
2745 | } | |
2746 | ||
99c00302 | 2747 | /* Add or change the value of an environment variable, outputting the |
2748 | change to standard error if in verbose mode. */ | |
2749 | static void | |
e8105390 | 2750 | xputenv (const char *string) |
99c00302 | 2751 | { |
26a4a13d | 2752 | env.xput (string); |
99c00302 | 2753 | } |
2754 | ||
067277c3 | 2755 | /* Build a list of search directories from PATHS. |
2756 | PREFIX is a string to prepend to the list. | |
2757 | If CHECK_DIR_P is true we ensure the directory exists. | |
2758 | If DO_MULTI is true, multilib paths are output first, then | |
2759 | non-multilib paths. | |
2760 | This is used mostly by putenv_from_prefixes so we use `collect_obstack'. | |
2761 | It is also used by the --print-search-dirs flag. */ | |
2762 | ||
2763 | static char * | |
2764 | build_search_list (const struct path_prefix *paths, const char *prefix, | |
2765 | bool check_dir, bool do_multi) | |
2766 | { | |
2767 | struct add_to_obstack_info info; | |
2768 | ||
2769 | info.ob = &collect_obstack; | |
2770 | info.check_dir = check_dir; | |
2771 | info.first_time = true; | |
2772 | ||
2773 | obstack_grow (&collect_obstack, prefix, strlen (prefix)); | |
2774 | obstack_1grow (&collect_obstack, '='); | |
2775 | ||
2776 | for_each_path (paths, do_multi, 0, add_to_obstack, &info); | |
0dbd1c74 | 2777 | |
4347db8e | 2778 | obstack_1grow (&collect_obstack, '\0'); |
4fac984f | 2779 | return XOBFINISH (&collect_obstack, char *); |
8894538a | 2780 | } |
2781 | ||
a92771b8 | 2782 | /* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables |
2783 | for collect. */ | |
71cee7b1 | 2784 | |
2785 | static void | |
067277c3 | 2786 | putenv_from_prefixes (const struct path_prefix *paths, const char *env_var, |
2787 | bool do_multi) | |
71cee7b1 | 2788 | { |
99c00302 | 2789 | xputenv (build_search_list (paths, env_var, true, do_multi)); |
71cee7b1 | 2790 | } |
d7a9644e | 2791 | \f |
4d5a901b | 2792 | /* Check whether NAME can be accessed in MODE. This is like access, |
2793 | except that it never considers directories to be executable. */ | |
2794 | ||
2795 | static int | |
952f0048 | 2796 | access_check (const char *name, int mode) |
4d5a901b | 2797 | { |
2798 | if (mode == X_OK) | |
2799 | { | |
2800 | struct stat st; | |
2801 | ||
2802 | if (stat (name, &st) < 0 | |
2803 | || S_ISDIR (st.st_mode)) | |
2804 | return -1; | |
2805 | } | |
2806 | ||
2807 | return access (name, mode); | |
2808 | } | |
2809 | ||
067277c3 | 2810 | /* Callback for find_a_file. Appends the file name to the directory |
2811 | path. If the resulting file exists in the right mode, return the | |
2812 | full pathname to the file. */ | |
2813 | ||
2814 | struct file_at_path_info { | |
2815 | const char *name; | |
2816 | const char *suffix; | |
2817 | int name_len; | |
2818 | int suffix_len; | |
2819 | int mode; | |
2820 | }; | |
2821 | ||
2822 | static void * | |
2823 | file_at_path (char *path, void *data) | |
2824 | { | |
25a1c410 | 2825 | struct file_at_path_info *info = (struct file_at_path_info *) data; |
067277c3 | 2826 | size_t len = strlen (path); |
2827 | ||
2828 | memcpy (path + len, info->name, info->name_len); | |
2829 | len += info->name_len; | |
2830 | ||
2831 | /* Some systems have a suffix for executable files. | |
2832 | So try appending that first. */ | |
2833 | if (info->suffix_len) | |
2834 | { | |
2835 | memcpy (path + len, info->suffix, info->suffix_len + 1); | |
2836 | if (access_check (path, info->mode) == 0) | |
2837 | return path; | |
2838 | } | |
2839 | ||
2840 | path[len] = '\0'; | |
2841 | if (access_check (path, info->mode) == 0) | |
2842 | return path; | |
2843 | ||
2844 | return NULL; | |
2845 | } | |
2846 | ||
d7a9644e | 2847 | /* Search for NAME using the prefix list PREFIXES. MODE is passed to |
067277c3 | 2848 | access to check permissions. If DO_MULTI is true, search multilib |
2849 | paths then non-multilib paths, otherwise do not search multilib paths. | |
a92771b8 | 2850 | Return 0 if not found, otherwise return its name, allocated with malloc. */ |
d7a9644e | 2851 | |
2852 | static char * | |
067277c3 | 2853 | find_a_file (const struct path_prefix *pprefix, const char *name, int mode, |
2854 | bool do_multi) | |
d7a9644e | 2855 | { |
067277c3 | 2856 | struct file_at_path_info info; |
d7a9644e | 2857 | |
f07251bc | 2858 | #ifdef DEFAULT_ASSEMBLER |
7d3bd8c0 | 2859 | if (! strcmp (name, "as") && access (DEFAULT_ASSEMBLER, mode) == 0) |
713829e9 | 2860 | return xstrdup (DEFAULT_ASSEMBLER); |
f07251bc | 2861 | #endif |
2862 | ||
2863 | #ifdef DEFAULT_LINKER | |
9af5ce0c | 2864 | if (! strcmp (name, "ld") && access (DEFAULT_LINKER, mode) == 0) |
713829e9 | 2865 | return xstrdup (DEFAULT_LINKER); |
f07251bc | 2866 | #endif |
2867 | ||
d7a9644e | 2868 | /* Determine the filename to execute (special case for absolute paths). */ |
2869 | ||
a5c088d4 | 2870 | if (IS_ABSOLUTE_PATH (name)) |
d7a9644e | 2871 | { |
f07251bc | 2872 | if (access (name, mode) == 0) |
067277c3 | 2873 | return xstrdup (name); |
757f7e66 | 2874 | |
067277c3 | 2875 | return NULL; |
2876 | } | |
757f7e66 | 2877 | |
067277c3 | 2878 | info.name = name; |
2879 | info.suffix = (mode & X_OK) != 0 ? HOST_EXECUTABLE_SUFFIX : ""; | |
2880 | info.name_len = strlen (info.name); | |
2881 | info.suffix_len = strlen (info.suffix); | |
2882 | info.mode = mode; | |
d7a9644e | 2883 | |
25a1c410 | 2884 | return (char*) for_each_path (pprefix, do_multi, |
2885 | info.name_len + info.suffix_len, | |
2886 | file_at_path, &info); | |
d7a9644e | 2887 | } |
2888 | ||
acd84059 | 2889 | /* Ranking of prefixes in the sort list. -B prefixes are put before |
2c815aff | 2890 | all others. */ |
acd84059 | 2891 | |
2892 | enum path_prefix_priority | |
2893 | { | |
2894 | PREFIX_PRIORITY_B_OPT, | |
2895 | PREFIX_PRIORITY_LAST | |
2896 | }; | |
2897 | ||
98667efb | 2898 | /* Add an entry for PREFIX in PLIST. The PLIST is kept in ascending |
acd84059 | 2899 | order according to PRIORITY. Within each PRIORITY, new entries are |
2900 | appended. | |
d7a9644e | 2901 | |
2902 | If WARN is nonzero, we will warn if no file is found | |
2903 | through this prefix. WARN should point to an int | |
3ec1fc1b | 2904 | which will be set to 1 if this entry is used. |
2905 | ||
0dbd1c74 | 2906 | COMPONENT is the value to be passed to update_path. |
2907 | ||
3ec1fc1b | 2908 | REQUIRE_MACHINE_SUFFIX is 1 if this prefix can't be used without |
2909 | the complete value of machine_suffix. | |
2910 | 2 means try both machine_suffix and just_machine_suffix. */ | |
d7a9644e | 2911 | |
2912 | static void | |
952f0048 | 2913 | add_prefix (struct path_prefix *pprefix, const char *prefix, |
2914 | const char *component, /* enum prefix_priority */ int priority, | |
2af84186 | 2915 | int require_machine_suffix, int os_multilib) |
d7a9644e | 2916 | { |
2917 | struct prefix_list *pl, **prev; | |
2918 | int len; | |
2919 | ||
acd84059 | 2920 | for (prev = &pprefix->plist; |
2921 | (*prev) != NULL && (*prev)->priority <= priority; | |
2922 | prev = &(*prev)->next) | |
2923 | ; | |
d7a9644e | 2924 | |
2358393e | 2925 | /* Keep track of the longest prefix. */ |
d7a9644e | 2926 | |
0dbd1c74 | 2927 | prefix = update_path (prefix, component); |
d7a9644e | 2928 | len = strlen (prefix); |
2929 | if (len > pprefix->max_len) | |
2930 | pprefix->max_len = len; | |
2931 | ||
4c36ffe6 | 2932 | pl = XNEW (struct prefix_list); |
17b80c08 | 2933 | pl->prefix = prefix; |
d7a9644e | 2934 | pl->require_machine_suffix = require_machine_suffix; |
acd84059 | 2935 | pl->priority = priority; |
c954ff02 | 2936 | pl->os_multilib = os_multilib; |
d7a9644e | 2937 | |
2358393e | 2938 | /* Insert after PREV. */ |
acd84059 | 2939 | pl->next = (*prev); |
2940 | (*prev) = pl; | |
d7a9644e | 2941 | } |
805e22b2 | 2942 | |
2943 | /* Same as add_prefix, but prepending target_system_root to prefix. */ | |
c4328bcc | 2944 | /* The target_system_root prefix has been relocated by gcc_exec_prefix. */ |
805e22b2 | 2945 | static void |
952f0048 | 2946 | add_sysrooted_prefix (struct path_prefix *pprefix, const char *prefix, |
2947 | const char *component, | |
2948 | /* enum prefix_priority */ int priority, | |
2af84186 | 2949 | int require_machine_suffix, int os_multilib) |
805e22b2 | 2950 | { |
a5c088d4 | 2951 | if (!IS_ABSOLUTE_PATH (prefix)) |
c05be867 | 2952 | fatal_error (input_location, "system path %qs is not absolute", prefix); |
805e22b2 | 2953 | |
2954 | if (target_system_root) | |
2955 | { | |
c5698d9f | 2956 | char *sysroot_no_trailing_dir_separator = xstrdup (target_system_root); |
2957 | size_t sysroot_len = strlen (target_system_root); | |
2958 | ||
2959 | if (sysroot_len > 0 | |
2960 | && target_system_root[sysroot_len - 1] == DIR_SEPARATOR) | |
2961 | sysroot_no_trailing_dir_separator[sysroot_len - 1] = '\0'; | |
2962 | ||
4ea70922 | 2963 | if (target_sysroot_suffix) |
ce0fdb91 | 2964 | prefix = concat (sysroot_no_trailing_dir_separator, |
2965 | target_sysroot_suffix, prefix, NULL); | |
2966 | else | |
2967 | prefix = concat (sysroot_no_trailing_dir_separator, prefix, NULL); | |
2968 | ||
c5698d9f | 2969 | free (sysroot_no_trailing_dir_separator); |
4ea70922 | 2970 | |
805e22b2 | 2971 | /* We have to override this because GCC's notion of sysroot |
2972 | moves along with GCC. */ | |
2973 | component = "GCC"; | |
2974 | } | |
2975 | ||
2976 | add_prefix (pprefix, prefix, component, priority, | |
2af84186 | 2977 | require_machine_suffix, os_multilib); |
805e22b2 | 2978 | } |
86a3ecf2 | 2979 | |
2980 | /* Same as add_prefix, but prepending target_sysroot_hdrs_suffix to prefix. */ | |
2981 | ||
2982 | static void | |
2983 | add_sysrooted_hdrs_prefix (struct path_prefix *pprefix, const char *prefix, | |
2984 | const char *component, | |
2985 | /* enum prefix_priority */ int priority, | |
2986 | int require_machine_suffix, int os_multilib) | |
2987 | { | |
2988 | if (!IS_ABSOLUTE_PATH (prefix)) | |
2989 | fatal_error (input_location, "system path %qs is not absolute", prefix); | |
2990 | ||
2991 | if (target_system_root) | |
2992 | { | |
2993 | char *sysroot_no_trailing_dir_separator = xstrdup (target_system_root); | |
2994 | size_t sysroot_len = strlen (target_system_root); | |
2995 | ||
2996 | if (sysroot_len > 0 | |
2997 | && target_system_root[sysroot_len - 1] == DIR_SEPARATOR) | |
2998 | sysroot_no_trailing_dir_separator[sysroot_len - 1] = '\0'; | |
2999 | ||
3000 | if (target_sysroot_hdrs_suffix) | |
3001 | prefix = concat (sysroot_no_trailing_dir_separator, | |
3002 | target_sysroot_hdrs_suffix, prefix, NULL); | |
3003 | else | |
3004 | prefix = concat (sysroot_no_trailing_dir_separator, prefix, NULL); | |
3005 | ||
3006 | free (sysroot_no_trailing_dir_separator); | |
3007 | ||
3008 | /* We have to override this because GCC's notion of sysroot | |
3009 | moves along with GCC. */ | |
3010 | component = "GCC"; | |
3011 | } | |
3012 | ||
3013 | add_prefix (pprefix, prefix, component, priority, | |
3014 | require_machine_suffix, os_multilib); | |
3015 | } | |
3016 | ||
d7a9644e | 3017 | \f |
3018 | /* Execute the command specified by the arguments on the current line of spec. | |
3019 | When using pipes, this includes several piped-together commands | |
3020 | with `|' between them. | |
3021 | ||
3022 | Return 0 if successful, -1 if failed. */ | |
3023 | ||
3024 | static int | |
952f0048 | 3025 | execute (void) |
d7a9644e | 3026 | { |
3027 | int i; | |
3028 | int n_commands; /* # of command. */ | |
3029 | char *string; | |
288e5bba | 3030 | struct pex_obj *pex; |
d7a9644e | 3031 | struct command |
026f2c7a | 3032 | { |
3033 | const char *prog; /* program name. */ | |
3034 | const char **argv; /* vector of args. */ | |
026f2c7a | 3035 | }; |
9d9edc85 | 3036 | const char *arg; |
d7a9644e | 3037 | |
3038 | struct command *commands; /* each command buffer with above info. */ | |
3039 | ||
5e8f3c31 | 3040 | gcc_assert (!processing_spec_function); |
c21b3276 | 3041 | |
0bfd146e | 3042 | if (wrapper_string) |
3043 | { | |
9d9edc85 | 3044 | string = find_a_file (&exec_prefixes, |
f1f41a6c | 3045 | argbuf[0], X_OK, false); |
9d9edc85 | 3046 | if (string) |
f1f41a6c | 3047 | argbuf[0] = string; |
0bfd146e | 3048 | insert_wrapper (wrapper_string); |
3049 | } | |
3050 | ||
d7a9644e | 3051 | /* Count # of piped commands. */ |
f1f41a6c | 3052 | for (n_commands = 1, i = 0; argbuf.iterate (i, &arg); i++) |
9d9edc85 | 3053 | if (strcmp (arg, "|") == 0) |
d7a9644e | 3054 | n_commands++; |
3055 | ||
3056 | /* Get storage for each command. */ | |
25a1c410 | 3057 | commands = (struct command *) alloca (n_commands * sizeof (struct command)); |
d7a9644e | 3058 | |
3059 | /* Split argbuf into its separate piped processes, | |
3060 | and record info about each one. | |
3061 | Also search for the programs that are to be run. */ | |
3062 | ||
f1f41a6c | 3063 | argbuf.safe_push (0); |
9d9edc85 | 3064 | |
f1f41a6c | 3065 | commands[0].prog = argbuf[0]; /* first command. */ |
3066 | commands[0].argv = argbuf.address (); | |
48e1416a | 3067 | |
0bfd146e | 3068 | if (!wrapper_string) |
3069 | { | |
3070 | string = find_a_file (&exec_prefixes, commands[0].prog, X_OK, false); | |
3496ef4c | 3071 | if (string) |
3072 | commands[0].argv[0] = string; | |
0bfd146e | 3073 | } |
d7a9644e | 3074 | |
f1f41a6c | 3075 | for (n_commands = 1, i = 0; argbuf.iterate (i, &arg); i++) |
9d9edc85 | 3076 | if (arg && strcmp (arg, "|") == 0) |
d7a9644e | 3077 | { /* each command. */ |
35151e7a | 3078 | #if defined (__MSDOS__) || defined (OS2) || defined (VMS) |
2f6d557f | 3079 | fatal_error (input_location, "%<-pipe%> not supported"); |
d7a9644e | 3080 | #endif |
3496ef4c | 3081 | argbuf[i] = 0; /* Termination of command args. */ |
f1f41a6c | 3082 | commands[n_commands].prog = argbuf[i + 1]; |
9d9edc85 | 3083 | commands[n_commands].argv |
f1f41a6c | 3084 | = &(argbuf.address ())[i + 1]; |
c954ff02 | 3085 | string = find_a_file (&exec_prefixes, commands[n_commands].prog, |
067277c3 | 3086 | X_OK, false); |
d7a9644e | 3087 | if (string) |
3088 | commands[n_commands].argv[0] = string; | |
3089 | n_commands++; | |
3090 | } | |
3091 | ||
d7a9644e | 3092 | /* If -v, print what we are about to do, and maybe query. */ |
3093 | ||
8894538a | 3094 | if (verbose_flag) |
d7a9644e | 3095 | { |
8ace789a | 3096 | /* For help listings, put a blank line between sub-processes. */ |
3097 | if (print_help_list) | |
3098 | fputc ('\n', stderr); | |
2c815aff | 3099 | |
d7a9644e | 3100 | /* Print each piped command as a separate line. */ |
026f2c7a | 3101 | for (i = 0; i < n_commands; i++) |
d7a9644e | 3102 | { |
826f6505 | 3103 | const char *const *j; |
d7a9644e | 3104 | |
3cfec666 | 3105 | if (verbose_only_flag) |
3106 | { | |
74e4079a | 3107 | for (j = commands[i].argv; *j; j++) |
3108 | { | |
7cc1628d | 3109 | const char *p; |
74e4079a | 3110 | for (p = *j; *p; ++p) |
663e8646 | 3111 | if (!ISALNUM ((unsigned char) *p) |
3112 | && *p != '_' && *p != '/' && *p != '-' && *p != '.') | |
3113 | break; | |
3114 | if (*p || !*j) | |
74e4079a | 3115 | { |
663e8646 | 3116 | fprintf (stderr, " \""); |
3117 | for (p = *j; *p; ++p) | |
3118 | { | |
3119 | if (*p == '"' || *p == '\\' || *p == '$') | |
3120 | fputc ('\\', stderr); | |
3121 | fputc (*p, stderr); | |
3122 | } | |
3123 | fputc ('"', stderr); | |
74e4079a | 3124 | } |
fde5bd5c | 3125 | /* If it's empty, print "". */ |
3126 | else if (!**j) | |
3127 | fprintf (stderr, " \"\""); | |
663e8646 | 3128 | else |
3129 | fprintf (stderr, " %s", *j); | |
74e4079a | 3130 | } |
3cfec666 | 3131 | } |
3132 | else | |
74e4079a | 3133 | for (j = commands[i].argv; *j; j++) |
fde5bd5c | 3134 | /* If it's empty, print "". */ |
3135 | if (!**j) | |
3136 | fprintf (stderr, " \"\""); | |
3137 | else | |
3138 | fprintf (stderr, " %s", *j); | |
d7a9644e | 3139 | |
3140 | /* Print a pipe symbol after all but the last command. */ | |
3141 | if (i + 1 != n_commands) | |
3142 | fprintf (stderr, " |"); | |
3143 | fprintf (stderr, "\n"); | |
3144 | } | |
3145 | fflush (stderr); | |
74e4079a | 3146 | if (verbose_only_flag != 0) |
0f709d72 | 3147 | { |
3148 | /* verbose_only_flag should act as if the spec was | |
3149 | executed, so increment execution_count before | |
c7bf1374 | 3150 | returning. This prevents spurious warnings about |
0f709d72 | 3151 | unused linker input files, etc. */ |
3152 | execution_count++; | |
3153 | return 0; | |
3154 | } | |
d7a9644e | 3155 | #ifdef DEBUG |
a922df2e | 3156 | fnotice (stderr, "\nGo ahead? (y or n) "); |
d7a9644e | 3157 | fflush (stderr); |
3158 | i = getchar (); | |
3159 | if (i != '\n') | |
0dbd1c74 | 3160 | while (getchar () != '\n') |
3161 | ; | |
3162 | ||
d7a9644e | 3163 | if (i != 'y' && i != 'Y') |
3164 | return 0; | |
3165 | #endif /* DEBUG */ | |
3166 | } | |
3167 | ||
0fa54ff1 | 3168 | #ifdef ENABLE_VALGRIND_CHECKING |
98667efb | 3169 | /* Run the each command through valgrind. To simplify prepending the |
0fa54ff1 | 3170 | path to valgrind and the option "-q" (for quiet operation unless |
3171 | something triggers), we allocate a separate argv array. */ | |
3172 | ||
3173 | for (i = 0; i < n_commands; i++) | |
3174 | { | |
3175 | const char **argv; | |
3176 | int argc; | |
3177 | int j; | |
3178 | ||
3179 | for (argc = 0; commands[i].argv[argc] != NULL; argc++) | |
3180 | ; | |
3181 | ||
561c1db5 | 3182 | argv = XALLOCAVEC (const char *, argc + 3); |
0fa54ff1 | 3183 | |
3184 | argv[0] = VALGRIND_PATH; | |
3185 | argv[1] = "-q"; | |
3186 | for (j = 2; j < argc + 2; j++) | |
3187 | argv[j] = commands[i].argv[j - 2]; | |
3188 | argv[j] = NULL; | |
3189 | ||
3190 | commands[i].argv = argv; | |
3191 | commands[i].prog = argv[0]; | |
3192 | } | |
3193 | #endif | |
3194 | ||
d7a9644e | 3195 | /* Run each piped subprocess. */ |
3196 | ||
4537c5d9 | 3197 | pex = pex_init (PEX_USE_PIPES | ((report_times || report_times_to_file) |
3198 | ? PEX_RECORD_TIMES : 0), | |
460b8bb3 | 3199 | progname, temp_filename); |
288e5bba | 3200 | if (pex == NULL) |
85b9be9b | 3201 | fatal_error (input_location, "%<pex_init%> failed: %m"); |
288e5bba | 3202 | |
d7a9644e | 3203 | for (i = 0; i < n_commands; i++) |
3204 | { | |
288e5bba | 3205 | const char *errmsg; |
3206 | int err; | |
2508fdc3 | 3207 | const char *string = commands[i].argv[0]; |
d7a9644e | 3208 | |
288e5bba | 3209 | errmsg = pex_run (pex, |
3210 | ((i + 1 == n_commands ? PEX_LAST : 0) | |
3211 | | (string == commands[i].prog ? PEX_SEARCH : 0)), | |
e47a6f81 | 3212 | string, CONST_CAST (char **, commands[i].argv), |
288e5bba | 3213 | NULL, NULL, &err); |
3214 | if (errmsg != NULL) | |
3215 | { | |
a00c2b64 | 3216 | errno = err; |
3217 | fatal_error (input_location, | |
7bc2f5b4 | 3218 | err ? G_("cannot execute %qs: %s: %m") |
3219 | : G_("cannot execute %qs: %s"), | |
a00c2b64 | 3220 | string, errmsg); |
288e5bba | 3221 | } |
d7a9644e | 3222 | |
a31e9496 | 3223 | if (i && string != commands[i].prog) |
e47a6f81 | 3224 | free (CONST_CAST (char *, string)); |
d7a9644e | 3225 | } |
3226 | ||
3227 | execution_count++; | |
3228 | ||
288e5bba | 3229 | /* Wait for all the subprocesses to finish. */ |
d7a9644e | 3230 | |
3231 | { | |
288e5bba | 3232 | int *statuses; |
3233 | struct pex_time *times = NULL; | |
d7a9644e | 3234 | int ret_code = 0; |
3235 | ||
25a1c410 | 3236 | statuses = (int *) alloca (n_commands * sizeof (int)); |
288e5bba | 3237 | if (!pex_get_status (pex, n_commands, statuses)) |
c05be867 | 3238 | fatal_error (input_location, "failed to get exit status: %m"); |
288e5bba | 3239 | |
4537c5d9 | 3240 | if (report_times || report_times_to_file) |
d7a9644e | 3241 | { |
25a1c410 | 3242 | times = (struct pex_time *) alloca (n_commands * sizeof (struct pex_time)); |
288e5bba | 3243 | if (!pex_get_times (pex, n_commands, times)) |
c05be867 | 3244 | fatal_error (input_location, "failed to get process times: %m"); |
288e5bba | 3245 | } |
d7a9644e | 3246 | |
288e5bba | 3247 | pex_free (pex); |
d7a9644e | 3248 | |
288e5bba | 3249 | for (i = 0; i < n_commands; ++i) |
3250 | { | |
3251 | int status = statuses[i]; | |
a876e5f8 | 3252 | |
288e5bba | 3253 | if (WIFSIGNALED (status)) |
88df73d0 | 3254 | switch (WTERMSIG (status)) |
3255 | { | |
3256 | case SIGINT: | |
3257 | case SIGTERM: | |
3258 | /* SIGQUIT and SIGKILL are not available on MinGW. */ | |
c85275b4 | 3259 | #ifdef SIGQUIT |
88df73d0 | 3260 | case SIGQUIT: |
c85275b4 | 3261 | #endif |
3262 | #ifdef SIGKILL | |
88df73d0 | 3263 | case SIGKILL: |
3264 | #endif | |
3265 | /* The user (or environment) did something to the | |
3266 | inferior. Making this an ICE confuses the user into | |
3267 | thinking there's a compiler bug. Much more likely is | |
3268 | the user or OOM killer nuked it. */ | |
3269 | fatal_error (input_location, | |
3270 | "%s signal terminated program %s", | |
3271 | strsignal (WTERMSIG (status)), | |
3272 | commands[i].prog); | |
3273 | break; | |
3274 | ||
3275 | #ifdef SIGPIPE | |
3276 | case SIGPIPE: | |
3277 | /* SIGPIPE is a special case. It happens in -pipe mode | |
3278 | when the compiler dies before the preprocessor is | |
3279 | done, or the assembler dies before the compiler is | |
3280 | done. There's generally been an error already, and | |
3281 | this is just fallout. So don't generate another | |
3282 | error unless we would otherwise have succeeded. */ | |
3283 | if (signal_count || greatest_status >= MIN_FATAL_STATUS) | |
3284 | { | |
3285 | signal_count++; | |
3286 | ret_code = -1; | |
9352a373 | 3287 | break; |
9352a373 | 3288 | } |
88df73d0 | 3289 | #endif |
3290 | /* FALLTHROUGH */ | |
3291 | ||
3292 | default: | |
3293 | /* The inferior failed to catch the signal. */ | |
3294 | internal_error_no_backtrace ("%s signal terminated program %s", | |
3295 | strsignal (WTERMSIG (status)), | |
3296 | commands[i].prog); | |
3297 | } | |
288e5bba | 3298 | else if (WIFEXITED (status) |
3299 | && WEXITSTATUS (status) >= MIN_FATAL_STATUS) | |
3300 | { | |
a31e9496 | 3301 | /* For ICEs in cc1, cc1obj, cc1plus see if it is |
3302 | reproducible or not. */ | |
3303 | const char *p; | |
3304 | if (flag_report_bug | |
3305 | && WEXITSTATUS (status) == ICE_EXIT_CODE | |
3306 | && i == 0 | |
3307 | && (p = strrchr (commands[0].argv[0], DIR_SEPARATOR)) | |
3308 | && ! strncmp (p + 1, "cc1", 3)) | |
d3faa4b6 | 3309 | try_generate_repro (commands[0].argv); |
288e5bba | 3310 | if (WEXITSTATUS (status) > greatest_status) |
3311 | greatest_status = WEXITSTATUS (status); | |
3312 | ret_code = -1; | |
3313 | } | |
3314 | ||
4537c5d9 | 3315 | if (report_times || report_times_to_file) |
288e5bba | 3316 | { |
3317 | struct pex_time *pt = ×[i]; | |
3318 | double ut, st; | |
3319 | ||
3320 | ut = ((double) pt->user_seconds | |
3321 | + (double) pt->user_microseconds / 1.0e6); | |
3322 | st = ((double) pt->system_seconds | |
3323 | + (double) pt->system_microseconds / 1.0e6); | |
3324 | ||
3325 | if (ut + st != 0) | |
4537c5d9 | 3326 | { |
3327 | if (report_times) | |
a922df2e | 3328 | fnotice (stderr, "# %s %.2f %.2f\n", |
3329 | commands[i].prog, ut, st); | |
4537c5d9 | 3330 | |
3331 | if (report_times_to_file) | |
3332 | { | |
3333 | int c = 0; | |
3334 | const char *const *j; | |
3335 | ||
3336 | fprintf (report_times_to_file, "%g %g", ut, st); | |
3337 | ||
3338 | for (j = &commands[i].prog; *j; j = &commands[i].argv[++c]) | |
3339 | { | |
3340 | const char *p; | |
3341 | for (p = *j; *p; ++p) | |
3342 | if (*p == '"' || *p == '\\' || *p == '$' | |
3343 | || ISSPACE (*p)) | |
3344 | break; | |
3345 | ||
3346 | if (*p) | |
3347 | { | |
3348 | fprintf (report_times_to_file, " \""); | |
3349 | for (p = *j; *p; ++p) | |
3350 | { | |
3351 | if (*p == '"' || *p == '\\' || *p == '$') | |
3352 | fputc ('\\', report_times_to_file); | |
3353 | fputc (*p, report_times_to_file); | |
3354 | } | |
3355 | fputc ('"', report_times_to_file); | |
3356 | } | |
3357 | else | |
3358 | fprintf (report_times_to_file, " %s", *j); | |
3359 | } | |
3360 | ||
3361 | fputc ('\n', report_times_to_file); | |
3362 | } | |
3363 | } | |
288e5bba | 3364 | } |
d7a9644e | 3365 | } |
288e5bba | 3366 | |
a31e9496 | 3367 | if (commands[0].argv[0] != commands[0].prog) |
3368 | free (CONST_CAST (char *, commands[0].argv[0])); | |
3369 | ||
d7a9644e | 3370 | return ret_code; |
3371 | } | |
3372 | } | |
3373 | \f | |
3374 | /* Find all the switches given to us | |
3375 | and make a vector describing them. | |
3376 | The elements of the vector are strings, one per switch given. | |
3377 | If a switch uses following arguments, then the `part1' field | |
3378 | is the switch itself and the `args' field | |
3379 | is a null-terminated vector containing the following arguments. | |
79d52444 | 3380 | Bits in the `live_cond' field are: |
3381 | SWITCH_LIVE to indicate this switch is true in a conditional spec. | |
3382 | SWITCH_FALSE to indicate this switch is overridden by a later switch. | |
3383 | SWITCH_IGNORE to indicate this switch should be ignored (used in %<S). | |
fd7b19dc | 3384 | SWITCH_IGNORE_PERMANENTLY to indicate this switch should be ignored. |
3385 | SWITCH_KEEP_FOR_GCC to indicate that this switch, otherwise ignored, | |
3386 | should be included in COLLECT_GCC_OPTIONS. | |
87a6a1b5 | 3387 | in all do_spec calls afterwards. Used for %<S from self specs. |
fd7b19dc | 3388 | The `known' field describes whether this is an internal switch. |
3389 | The `validated' field describes whether any spec has looked at this switch; | |
3390 | if it remains false at the end of the run, the switch must be meaningless. | |
3391 | The `ordering' field is used to temporarily mark switches that have to be | |
3392 | kept in a specific order. */ | |
d7a9644e | 3393 | |
5c1421d7 | 3394 | #define SWITCH_LIVE (1 << 0) |
3395 | #define SWITCH_FALSE (1 << 1) | |
3396 | #define SWITCH_IGNORE (1 << 2) | |
3397 | #define SWITCH_IGNORE_PERMANENTLY (1 << 3) | |
3398 | #define SWITCH_KEEP_FOR_GCC (1 << 4) | |
4a10d696 | 3399 | |
d7a9644e | 3400 | struct switchstr |
3401 | { | |
e40d43cc | 3402 | const char *part1; |
2508fdc3 | 3403 | const char **args; |
79d52444 | 3404 | unsigned int live_cond; |
556cfe53 | 3405 | bool known; |
3406 | bool validated; | |
3407 | bool ordering; | |
d7a9644e | 3408 | }; |
3409 | ||
3410 | static struct switchstr *switches; | |
3411 | ||
3412 | static int n_switches; | |
3413 | ||
bd338b2c | 3414 | static int n_switches_alloc; |
3415 | ||
71278019 | 3416 | /* Set to zero if -fcompare-debug is disabled, positive if it's |
3417 | enabled and we're running the first compilation, negative if it's | |
3418 | enabled and we're running the second compilation. For most of the | |
3419 | time, it's in the range -1..1, but it can be temporarily set to 2 | |
3420 | or 3 to indicate that the -fcompare-debug flags didn't come from | |
3421 | the command-line, but rather from the GCC_COMPARE_DEBUG environment | |
3422 | variable, until a synthesized -fcompare-debug flag is added to the | |
3423 | command line. */ | |
3424 | int compare_debug; | |
3425 | ||
3426 | /* Set to nonzero if we've seen the -fcompare-debug-second flag. */ | |
3427 | int compare_debug_second; | |
3428 | ||
3429 | /* Set to the flags that should be passed to the second compilation in | |
3430 | a -fcompare-debug compilation. */ | |
3431 | const char *compare_debug_opt; | |
3432 | ||
3433 | static struct switchstr *switches_debug_check[2]; | |
3434 | ||
3435 | static int n_switches_debug_check[2]; | |
3436 | ||
4ff887c5 | 3437 | static int n_switches_alloc_debug_check[2]; |
3438 | ||
71278019 | 3439 | static char *debug_check_temp_file[2]; |
3440 | ||
fbf54d9a | 3441 | /* Language is one of three things: |
3442 | ||
3443 | 1) The name of a real programming language. | |
3444 | 2) NULL, indicating that no one has figured out | |
3445 | what it is yet. | |
3446 | 3) '*', indicating that the file should be passed | |
3447 | to the linker. */ | |
d7a9644e | 3448 | struct infile |
3449 | { | |
e40d43cc | 3450 | const char *name; |
3451 | const char *language; | |
dc1dd09b | 3452 | struct compiler *incompiler; |
3453 | bool compiled; | |
3454 | bool preprocessed; | |
d7a9644e | 3455 | }; |
3456 | ||
3457 | /* Also a vector of input files specified. */ | |
3458 | ||
3459 | static struct infile *infiles; | |
3460 | ||
943bf3c7 | 3461 | int n_infiles; |
d7a9644e | 3462 | |
bd338b2c | 3463 | static int n_infiles_alloc; |
3464 | ||
e1a390d6 | 3465 | /* True if undefined environment variables encountered during spec processing |
3466 | are ok to ignore, typically when we're running for --help or --version. */ | |
3467 | ||
3468 | static bool spec_undefvar_allowed; | |
3469 | ||
40109983 | 3470 | /* True if multiple input files are being compiled to a single |
3471 | assembly file. */ | |
3472 | ||
3473 | static bool combine_inputs; | |
3474 | ||
cdf76fe2 | 3475 | /* This counts the number of libraries added by lang_specific_driver, so that |
9e56255a | 3476 | we can tell if there were any user supplied any files or libraries. */ |
3477 | ||
3478 | static int added_libraries; | |
3479 | ||
d7a9644e | 3480 | /* And a vector of corresponding output files is made up later. */ |
3481 | ||
943bf3c7 | 3482 | const char **outfiles; |
2e58e75e | 3483 | \f |
10f57222 | 3484 | #if defined(HAVE_TARGET_OBJECT_SUFFIX) || defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
2e58e75e | 3485 | |
3486 | /* Convert NAME to a new name if it is the standard suffix. DO_EXE | |
c5025ad6 | 3487 | is true if we should look for an executable suffix. DO_OBJ |
3488 | is true if we should look for an object suffix. */ | |
2e58e75e | 3489 | |
7e6b5e54 | 3490 | static const char * |
952f0048 | 3491 | convert_filename (const char *name, int do_exe ATTRIBUTE_UNUSED, |
3492 | int do_obj ATTRIBUTE_UNUSED) | |
2e58e75e | 3493 | { |
7e6b5e54 | 3494 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
2e58e75e | 3495 | int i; |
7e6b5e54 | 3496 | #endif |
2e3ecf64 | 3497 | int len; |
3498 | ||
3499 | if (name == NULL) | |
3500 | return NULL; | |
2c815aff | 3501 | |
2e3ecf64 | 3502 | len = strlen (name); |
2e58e75e | 3503 | |
10f57222 | 3504 | #ifdef HAVE_TARGET_OBJECT_SUFFIX |
3505 | /* Convert x.o to x.obj if TARGET_OBJECT_SUFFIX is ".obj". */ | |
c5025ad6 | 3506 | if (do_obj && len > 2 |
2e58e75e | 3507 | && name[len - 2] == '.' |
3508 | && name[len - 1] == 'o') | |
3509 | { | |
7c8c3232 | 3510 | obstack_grow (&obstack, name, len - 2); |
10f57222 | 3511 | obstack_grow0 (&obstack, TARGET_OBJECT_SUFFIX, strlen (TARGET_OBJECT_SUFFIX)); |
4fac984f | 3512 | name = XOBFINISH (&obstack, const char *); |
2e58e75e | 3513 | } |
3514 | #endif | |
3515 | ||
10f57222 | 3516 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
2e58e75e | 3517 | /* If there is no filetype, make it the executable suffix (which includes |
3518 | the "."). But don't get confused if we have just "-o". */ | |
10f57222 | 3519 | if (! do_exe || TARGET_EXECUTABLE_SUFFIX[0] == 0 || (len == 2 && name[0] == '-')) |
2e58e75e | 3520 | return name; |
3521 | ||
dea8dca4 | 3522 | for (i = len - 1; i >= 0; i--) |
79b23a1e | 3523 | if (IS_DIR_SEPARATOR (name[i])) |
dea8dca4 | 3524 | break; |
3525 | ||
3526 | for (i++; i < len; i++) | |
2e58e75e | 3527 | if (name[i] == '.') |
3528 | return name; | |
3529 | ||
3530 | obstack_grow (&obstack, name, len); | |
ee866761 | 3531 | obstack_grow0 (&obstack, TARGET_EXECUTABLE_SUFFIX, |
3532 | strlen (TARGET_EXECUTABLE_SUFFIX)); | |
4fac984f | 3533 | name = XOBFINISH (&obstack, const char *); |
2e58e75e | 3534 | #endif |
3535 | ||
3536 | return name; | |
3537 | } | |
3538 | #endif | |
8ace789a | 3539 | \f |
3540 | /* Display the command line switches accepted by gcc. */ | |
3541 | static void | |
952f0048 | 3542 | display_help (void) |
8ace789a | 3543 | { |
460b8bb3 | 3544 | printf (_("Usage: %s [options] file...\n"), progname); |
a4db0a1d | 3545 | fputs (_("Options:\n"), stdout); |
8ace789a | 3546 | |
8fb42bbc | 3547 | fputs (_(" -pass-exit-codes Exit with highest error code from a phase.\n"), stdout); |
3548 | fputs (_(" --help Display this information.\n"), stdout); | |
3549 | fputs (_(" --target-help Display target specific command line options.\n"), stdout); | |
3550 | fputs (_(" --help={common|optimizers|params|target|warnings|[^]{joined|separate|undocumented}}[,...].\n"), stdout); | |
3551 | fputs (_(" Display specific types of command line options.\n"), stdout); | |
8ace789a | 3552 | if (! verbose_flag) |
8fb42bbc | 3553 | fputs (_(" (Use '-v --help' to display command line options of sub-processes).\n"), stdout); |
3554 | fputs (_(" --version Display compiler version information.\n"), stdout); | |
3555 | fputs (_(" -dumpspecs Display all of the built in spec strings.\n"), stdout); | |
3556 | fputs (_(" -dumpversion Display the version of the compiler.\n"), stdout); | |
3557 | fputs (_(" -dumpmachine Display the compiler's target processor.\n"), stdout); | |
3558 | fputs (_(" -print-search-dirs Display the directories in the compiler's search path.\n"), stdout); | |
3559 | fputs (_(" -print-libgcc-file-name Display the name of the compiler's companion library.\n"), stdout); | |
3560 | fputs (_(" -print-file-name=<lib> Display the full path to library <lib>.\n"), stdout); | |
3561 | fputs (_(" -print-prog-name=<prog> Display the full path to compiler component <prog>.\n"), stdout); | |
77adc39e | 3562 | fputs (_("\ |
3563 | -print-multiarch Display the target's normalized GNU triplet, used as\n\ | |
8fb42bbc | 3564 | a component in the library path.\n"), stdout); |
3565 | fputs (_(" -print-multi-directory Display the root directory for versions of libgcc.\n"), stdout); | |
a4db0a1d | 3566 | fputs (_("\ |
3567 | -print-multi-lib Display the mapping between command line options and\n\ | |
8fb42bbc | 3568 | multiple library search directories.\n"), stdout); |
3569 | fputs (_(" -print-multi-os-directory Display the relative path to OS libraries.\n"), stdout); | |
3570 | fputs (_(" -print-sysroot Display the target libraries directory.\n"), stdout); | |
3571 | fputs (_(" -print-sysroot-headers-suffix Display the sysroot suffix used to find headers.\n"), stdout); | |
3572 | fputs (_(" -Wa,<options> Pass comma-separated <options> on to the assembler.\n"), stdout); | |
3573 | fputs (_(" -Wp,<options> Pass comma-separated <options> on to the preprocessor.\n"), stdout); | |
3574 | fputs (_(" -Wl,<options> Pass comma-separated <options> on to the linker.\n"), stdout); | |
3575 | fputs (_(" -Xassembler <arg> Pass <arg> on to the assembler.\n"), stdout); | |
3576 | fputs (_(" -Xpreprocessor <arg> Pass <arg> on to the preprocessor.\n"), stdout); | |
3577 | fputs (_(" -Xlinker <arg> Pass <arg> on to the linker.\n"), stdout); | |
3578 | fputs (_(" -save-temps Do not delete intermediate files.\n"), stdout); | |
3579 | fputs (_(" -save-temps=<arg> Do not delete intermediate files.\n"), stdout); | |
d05a1771 | 3580 | fputs (_("\ |
3581 | -no-canonical-prefixes Do not canonicalize paths when building relative\n\ | |
8fb42bbc | 3582 | prefixes to other gcc components.\n"), stdout); |
3583 | fputs (_(" -pipe Use pipes rather than intermediate files.\n"), stdout); | |
3584 | fputs (_(" -time Time the execution of each subprocess.\n"), stdout); | |
3585 | fputs (_(" -specs=<file> Override built-in specs with the contents of <file>.\n"), stdout); | |
3586 | fputs (_(" -std=<standard> Assume that the input sources are for <standard>.\n"), stdout); | |
a99be165 | 3587 | fputs (_("\ |
3588 | --sysroot=<directory> Use <directory> as the root directory for headers\n\ | |
8fb42bbc | 3589 | and libraries.\n"), stdout); |
3590 | fputs (_(" -B <directory> Add <directory> to the compiler's search paths.\n"), stdout); | |
3591 | fputs (_(" -v Display the programs invoked by the compiler.\n"), stdout); | |
3592 | fputs (_(" -### Like -v but options quoted and commands not executed.\n"), stdout); | |
3593 | fputs (_(" -E Preprocess only; do not compile, assemble or link.\n"), stdout); | |
3594 | fputs (_(" -S Compile only; do not assemble or link.\n"), stdout); | |
3595 | fputs (_(" -c Compile and assemble, but do not link.\n"), stdout); | |
3596 | fputs (_(" -o <file> Place the output into <file>.\n"), stdout); | |
6d1ab23d | 3597 | fputs (_(" -pie Create a dynamically linked position independent\n\ |
3598 | executable.\n"), stdout); | |
8fb42bbc | 3599 | fputs (_(" -shared Create a shared library.\n"), stdout); |
a4db0a1d | 3600 | fputs (_("\ |
8fb42bbc | 3601 | -x <language> Specify the language of the following input files.\n\ |
6122f188 | 3602 | Permissible languages include: c c++ assembler none\n\ |
1d8c4563 | 3603 | 'none' means revert to the default behavior of\n\ |
8fb42bbc | 3604 | guessing the language based on the file's extension.\n\ |
a4db0a1d | 3605 | "), stdout); |
3606 | ||
60933322 | 3607 | printf (_("\ |
833a5c07 | 3608 | \nOptions starting with -g, -f, -m, -O, -W, or --param are automatically\n\ |
3609 | passed on to the various sub-processes invoked by %s. In order to pass\n\ | |
3610 | other options on to these processes the -W<letter> options must be used.\n\ | |
460b8bb3 | 3611 | "), progname); |
8ace789a | 3612 | |
3613 | /* The rest of the options are displayed by invocations of the various | |
3614 | sub-processes. */ | |
3615 | } | |
3616 | ||
2c815aff | 3617 | static void |
952f0048 | 3618 | add_preprocessor_option (const char *option, int len) |
2c815aff | 3619 | { |
f1f41a6c | 3620 | preprocessor_options.safe_push (save_string (option, len)); |
9a109943 | 3621 | } |
2c815aff | 3622 | |
3623 | static void | |
952f0048 | 3624 | add_assembler_option (const char *option, int len) |
e40d43cc | 3625 | { |
f1f41a6c | 3626 | assembler_options.safe_push (save_string (option, len)); |
8ace789a | 3627 | } |
2c815aff | 3628 | |
3629 | static void | |
952f0048 | 3630 | add_linker_option (const char *option, int len) |
e40d43cc | 3631 | { |
f1f41a6c | 3632 | linker_options.safe_push (save_string (option, len)); |
9a109943 | 3633 | } |
2e58e75e | 3634 | \f |
bd338b2c | 3635 | /* Allocate space for an input file in infiles. */ |
3636 | ||
3637 | static void | |
3638 | alloc_infile (void) | |
3639 | { | |
3640 | if (n_infiles_alloc == 0) | |
3641 | { | |
3642 | n_infiles_alloc = 16; | |
3643 | infiles = XNEWVEC (struct infile, n_infiles_alloc); | |
3644 | } | |
3645 | else if (n_infiles_alloc == n_infiles) | |
3646 | { | |
3647 | n_infiles_alloc *= 2; | |
3648 | infiles = XRESIZEVEC (struct infile, infiles, n_infiles_alloc); | |
3649 | } | |
3650 | } | |
3651 | ||
3652 | /* Store an input file with the given NAME and LANGUAGE in | |
3653 | infiles. */ | |
3654 | ||
3655 | static void | |
3656 | add_infile (const char *name, const char *language) | |
3657 | { | |
3658 | alloc_infile (); | |
3659 | infiles[n_infiles].name = name; | |
3660 | infiles[n_infiles++].language = language; | |
3661 | } | |
3662 | ||
3663 | /* Allocate space for a switch in switches. */ | |
3664 | ||
3665 | static void | |
3666 | alloc_switch (void) | |
3667 | { | |
3668 | if (n_switches_alloc == 0) | |
3669 | { | |
3670 | n_switches_alloc = 16; | |
3671 | switches = XNEWVEC (struct switchstr, n_switches_alloc); | |
3672 | } | |
3673 | else if (n_switches_alloc == n_switches) | |
3674 | { | |
3675 | n_switches_alloc *= 2; | |
3676 | switches = XRESIZEVEC (struct switchstr, switches, n_switches_alloc); | |
3677 | } | |
3678 | } | |
3679 | ||
e28aa114 | 3680 | /* Save an option OPT with N_ARGS arguments in array ARGS, marking it |
556cfe53 | 3681 | as validated if VALIDATED and KNOWN if it is an internal switch. */ |
e28aa114 | 3682 | |
3683 | static void | |
3684 | save_switch (const char *opt, size_t n_args, const char *const *args, | |
556cfe53 | 3685 | bool validated, bool known) |
e28aa114 | 3686 | { |
3687 | alloc_switch (); | |
3688 | switches[n_switches].part1 = opt + 1; | |
3689 | if (n_args == 0) | |
3690 | switches[n_switches].args = 0; | |
3691 | else | |
3692 | { | |
3693 | switches[n_switches].args = XNEWVEC (const char *, n_args + 1); | |
3694 | memcpy (switches[n_switches].args, args, n_args * sizeof (const char *)); | |
3695 | switches[n_switches].args[n_args] = NULL; | |
3696 | } | |
3697 | ||
3698 | switches[n_switches].live_cond = 0; | |
3699 | switches[n_switches].validated = validated; | |
556cfe53 | 3700 | switches[n_switches].known = known; |
e28aa114 | 3701 | switches[n_switches].ordering = 0; |
3702 | n_switches++; | |
3703 | } | |
3704 | ||
dfa5c0d3 | 3705 | /* Set the SOURCE_DATE_EPOCH environment variable to the current time if it is |
3706 | not set already. */ | |
3707 | ||
3708 | static void | |
3709 | set_source_date_epoch_envvar () | |
3710 | { | |
3711 | /* Array size is 21 = ceil(log_10(2^64)) + 1 to hold string representations | |
3712 | of 64 bit integers. */ | |
3713 | char source_date_epoch[21]; | |
3714 | time_t tt; | |
3715 | ||
3716 | errno = 0; | |
3717 | tt = time (NULL); | |
3718 | if (tt < (time_t) 0 || errno != 0) | |
3719 | tt = (time_t) 0; | |
3720 | ||
3721 | snprintf (source_date_epoch, 21, "%llu", (unsigned long long) tt); | |
3722 | /* Using setenv instead of xputenv because we want the variable to remain | |
3723 | after finalizing so that it's still set in the second run when using | |
3724 | -fcompare-debug. */ | |
3725 | setenv ("SOURCE_DATE_EPOCH", source_date_epoch, 0); | |
3726 | } | |
3727 | ||
e28aa114 | 3728 | /* Handle an option DECODED that is unknown to the option-processing |
a4e747a2 | 3729 | machinery. */ |
e28aa114 | 3730 | |
3731 | static bool | |
3732 | driver_unknown_option_callback (const struct cl_decoded_option *decoded) | |
3733 | { | |
a4e747a2 | 3734 | const char *opt = decoded->arg; |
3735 | if (opt[1] == 'W' && opt[2] == 'n' && opt[3] == 'o' && opt[4] == '-' | |
3736 | && !(decoded->errors & CL_ERR_NEGATIVE)) | |
3737 | { | |
3738 | /* Leave unknown -Wno-* options for the compiler proper, to be | |
3739 | diagnosed only if there are warnings. */ | |
3740 | save_switch (decoded->canonical_option[0], | |
3741 | decoded->canonical_option_num_elements - 1, | |
556cfe53 | 3742 | &decoded->canonical_option[1], false, true); |
3743 | return false; | |
3744 | } | |
3745 | if (decoded->opt_index == OPT_SPECIAL_unknown) | |
3746 | { | |
47ae02b7 | 3747 | /* Give it a chance to define it a spec file. */ |
556cfe53 | 3748 | save_switch (decoded->canonical_option[0], |
3749 | decoded->canonical_option_num_elements - 1, | |
3750 | &decoded->canonical_option[1], false, false); | |
a4e747a2 | 3751 | return false; |
3752 | } | |
3753 | else | |
3754 | return true; | |
e28aa114 | 3755 | } |
3756 | ||
3757 | /* Handle an option DECODED that is not marked as CL_DRIVER. | |
3758 | LANG_MASK will always be CL_DRIVER. */ | |
3759 | ||
3760 | static void | |
3761 | driver_wrong_lang_callback (const struct cl_decoded_option *decoded, | |
3762 | unsigned int lang_mask ATTRIBUTE_UNUSED) | |
3763 | { | |
3764 | /* At this point, non-driver options are accepted (and expected to | |
3765 | be passed down by specs) unless marked to be rejected by the | |
3766 | driver. Options to be rejected by the driver but accepted by the | |
3767 | compilers proper are treated just like completely unknown | |
3768 | options. */ | |
3769 | const struct cl_option *option = &cl_options[decoded->opt_index]; | |
3770 | ||
ec840af4 | 3771 | if (option->cl_reject_driver) |
62c34df8 | 3772 | error ("unrecognized command-line option %qs", |
e28aa114 | 3773 | decoded->orig_option_with_args_text); |
3774 | else | |
a4e747a2 | 3775 | save_switch (decoded->canonical_option[0], |
3776 | decoded->canonical_option_num_elements - 1, | |
556cfe53 | 3777 | &decoded->canonical_option[1], false, true); |
e28aa114 | 3778 | } |
3779 | ||
e28aa114 | 3780 | static const char *spec_lang = 0; |
3781 | static int last_language_n_infiles; | |
3782 | ||
38e21583 | 3783 | /* Parse -foffload option argument. */ |
3784 | ||
3785 | static void | |
3786 | handle_foffload_option (const char *arg) | |
3787 | { | |
3788 | const char *c, *cur, *n, *next, *end; | |
3789 | char *target; | |
3790 | ||
3791 | /* If option argument starts with '-' then no target is specified and we | |
3792 | do not need to parse it. */ | |
3793 | if (arg[0] == '-') | |
3794 | return; | |
3795 | ||
44ee4fad | 3796 | end = strchr (arg, '='); |
3797 | if (end == NULL) | |
3798 | end = strchr (arg, '\0'); | |
38e21583 | 3799 | cur = arg; |
3800 | ||
3801 | while (cur < end) | |
3802 | { | |
44ee4fad | 3803 | next = strchr (cur, ','); |
3804 | if (next == NULL) | |
6a892749 | 3805 | next = end; |
38e21583 | 3806 | next = (next > end) ? end : next; |
3807 | ||
3808 | target = XNEWVEC (char, next - cur + 1); | |
6a892749 | 3809 | memcpy (target, cur, next - cur); |
38e21583 | 3810 | target[next - cur] = '\0'; |
3811 | ||
3812 | /* If 'disable' is passed to the option, stop parsing the option and clean | |
3813 | the list of offload targets. */ | |
3814 | if (strcmp (target, "disable") == 0) | |
3815 | { | |
3816 | free (offload_targets); | |
3817 | offload_targets = xstrdup (""); | |
3818 | break; | |
3819 | } | |
3820 | ||
3821 | /* Check that GCC is configured to support the offload target. */ | |
3822 | c = OFFLOAD_TARGETS; | |
3823 | while (c) | |
3824 | { | |
44ee4fad | 3825 | n = strchr (c, ','); |
3826 | if (n == NULL) | |
3827 | n = strchr (c, '\0'); | |
38e21583 | 3828 | |
6a892749 | 3829 | if (next - cur == n - c && strncmp (target, c, n - c) == 0) |
38e21583 | 3830 | break; |
3831 | ||
3832 | c = *n ? n + 1 : NULL; | |
3833 | } | |
3834 | ||
3835 | if (!c) | |
c05be867 | 3836 | fatal_error (input_location, |
3837 | "GCC is not configured to support %s as offload target", | |
38e21583 | 3838 | target); |
3839 | ||
3840 | if (!offload_targets) | |
6a892749 | 3841 | { |
3842 | offload_targets = target; | |
3843 | target = NULL; | |
3844 | } | |
38e21583 | 3845 | else |
3846 | { | |
3847 | /* Check that the target hasn't already presented in the list. */ | |
3848 | c = offload_targets; | |
3849 | do | |
3850 | { | |
44ee4fad | 3851 | n = strchr (c, ':'); |
3852 | if (n == NULL) | |
3853 | n = strchr (c, '\0'); | |
38e21583 | 3854 | |
6a892749 | 3855 | if (next - cur == n - c && strncmp (c, target, n - c) == 0) |
38e21583 | 3856 | break; |
3857 | ||
3858 | c = n + 1; | |
3859 | } | |
3860 | while (*n); | |
3861 | ||
3862 | /* If duplicate is not found, append the target to the list. */ | |
3863 | if (c > n) | |
3864 | { | |
6a892749 | 3865 | size_t offload_targets_len = strlen (offload_targets); |
38e21583 | 3866 | offload_targets |
3867 | = XRESIZEVEC (char, offload_targets, | |
3bf38a0b | 3868 | offload_targets_len + 1 + next - cur + 1); |
3869 | offload_targets[offload_targets_len++] = ':'; | |
3870 | memcpy (offload_targets + offload_targets_len, target, next - cur + 1); | |
38e21583 | 3871 | } |
3872 | } | |
3873 | ||
3874 | cur = next + 1; | |
3875 | XDELETEVEC (target); | |
3876 | } | |
3877 | } | |
3878 | ||
e28aa114 | 3879 | /* Handle a driver option; arguments and return value as for |
3880 | handle_option. */ | |
3881 | ||
3882 | static bool | |
2c5d2e39 | 3883 | driver_handle_option (struct gcc_options *opts, |
f83b64ca | 3884 | struct gcc_options *opts_set, |
2c5d2e39 | 3885 | const struct cl_decoded_option *decoded, |
e28aa114 | 3886 | unsigned int lang_mask ATTRIBUTE_UNUSED, int kind, |
3c6c0e40 | 3887 | location_t loc, |
6bd9d862 | 3888 | const struct cl_option_handlers *handlers ATTRIBUTE_UNUSED, |
98102386 | 3889 | diagnostic_context *dc, |
3890 | void (*) (void)) | |
e28aa114 | 3891 | { |
3892 | size_t opt_index = decoded->opt_index; | |
3893 | const char *arg = decoded->arg; | |
3894 | const char *compare_debug_replacement_opt; | |
3895 | int value = decoded->value; | |
3896 | bool validated = false; | |
3897 | bool do_save = true; | |
3898 | ||
2c5d2e39 | 3899 | gcc_assert (opts == &global_options); |
f83b64ca | 3900 | gcc_assert (opts_set == &global_options_set); |
e28aa114 | 3901 | gcc_assert (kind == DK_UNSPECIFIED); |
3c6c0e40 | 3902 | gcc_assert (loc == UNKNOWN_LOCATION); |
6bd9d862 | 3903 | gcc_assert (dc == global_dc); |
e28aa114 | 3904 | |
3905 | switch (opt_index) | |
3906 | { | |
3907 | case OPT_dumpspecs: | |
3908 | { | |
3909 | struct spec_list *sl; | |
3910 | init_spec (); | |
3911 | for (sl = specs; sl; sl = sl->next) | |
3912 | printf ("*%s:\n%s\n\n", sl->name, *(sl->ptr_spec)); | |
3913 | if (link_command_spec) | |
3914 | printf ("*link_command:\n%s\n\n", link_command_spec); | |
3915 | exit (0); | |
3916 | } | |
3917 | ||
3918 | case OPT_dumpversion: | |
3919 | printf ("%s\n", spec_version); | |
3920 | exit (0); | |
3921 | ||
3922 | case OPT_dumpmachine: | |
3923 | printf ("%s\n", spec_machine); | |
3924 | exit (0); | |
3925 | ||
0812bb06 | 3926 | case OPT_dumpfullversion: |
3927 | printf ("%s\n", BASEVER); | |
3928 | exit (0); | |
3929 | ||
5789e05b | 3930 | case OPT__version: |
e28aa114 | 3931 | print_version = 1; |
3932 | ||
3933 | /* CPP driver cannot obtain switch from cc1_options. */ | |
3934 | if (is_cpp_driver) | |
3935 | add_preprocessor_option ("--version", strlen ("--version")); | |
3936 | add_assembler_option ("--version", strlen ("--version")); | |
3937 | add_linker_option ("--version", strlen ("--version")); | |
3938 | break; | |
3939 | ||
6e8a18d1 | 3940 | case OPT__completion_: |
3941 | validated = true; | |
3942 | completion = decoded->arg; | |
3943 | break; | |
3944 | ||
5789e05b | 3945 | case OPT__help: |
e28aa114 | 3946 | print_help_list = 1; |
3947 | ||
3948 | /* CPP driver cannot obtain switch from cc1_options. */ | |
3949 | if (is_cpp_driver) | |
3950 | add_preprocessor_option ("--help", 6); | |
3951 | add_assembler_option ("--help", 6); | |
3952 | add_linker_option ("--help", 6); | |
3953 | break; | |
3954 | ||
5789e05b | 3955 | case OPT__help_: |
e28aa114 | 3956 | print_subprocess_help = 2; |
3957 | break; | |
3958 | ||
5789e05b | 3959 | case OPT__target_help: |
e28aa114 | 3960 | print_subprocess_help = 1; |
3961 | ||
3962 | /* CPP driver cannot obtain switch from cc1_options. */ | |
3963 | if (is_cpp_driver) | |
3964 | add_preprocessor_option ("--target-help", 13); | |
3965 | add_assembler_option ("--target-help", 13); | |
3966 | add_linker_option ("--target-help", 13); | |
3967 | break; | |
3968 | ||
70eb49f5 | 3969 | case OPT__no_sysroot_suffix: |
e28aa114 | 3970 | case OPT_pass_exit_codes: |
3971 | case OPT_print_search_dirs: | |
3972 | case OPT_print_file_name_: | |
3973 | case OPT_print_prog_name_: | |
3974 | case OPT_print_multi_lib: | |
3975 | case OPT_print_multi_directory: | |
3976 | case OPT_print_sysroot: | |
3977 | case OPT_print_multi_os_directory: | |
77adc39e | 3978 | case OPT_print_multiarch: |
e28aa114 | 3979 | case OPT_print_sysroot_headers_suffix: |
3980 | case OPT_time: | |
3981 | case OPT_wrapper: | |
3982 | /* These options set the variables specified in common.opt | |
3983 | automatically, and do not need to be saved for spec | |
3984 | processing. */ | |
3985 | do_save = false; | |
3986 | break; | |
3987 | ||
3988 | case OPT_print_libgcc_file_name: | |
3989 | print_file_name = "libgcc.a"; | |
3990 | do_save = false; | |
3991 | break; | |
3992 | ||
c75e4990 | 3993 | case OPT_fuse_ld_bfd: |
3994 | use_ld = ".bfd"; | |
3995 | break; | |
3996 | ||
3997 | case OPT_fuse_ld_gold: | |
3998 | use_ld = ".gold"; | |
3999 | break; | |
4000 | ||
e28aa114 | 4001 | case OPT_fcompare_debug_second: |
4002 | compare_debug_second = 1; | |
4003 | break; | |
4004 | ||
4005 | case OPT_fcompare_debug: | |
4006 | switch (value) | |
4007 | { | |
4008 | case 0: | |
4009 | compare_debug_replacement_opt = "-fcompare-debug="; | |
4010 | arg = ""; | |
4011 | goto compare_debug_with_arg; | |
4012 | ||
4013 | case 1: | |
4014 | compare_debug_replacement_opt = "-fcompare-debug=-gtoggle"; | |
4015 | arg = "-gtoggle"; | |
4016 | goto compare_debug_with_arg; | |
4017 | ||
4018 | default: | |
4019 | gcc_unreachable (); | |
4020 | } | |
4021 | break; | |
4022 | ||
4023 | case OPT_fcompare_debug_: | |
4024 | compare_debug_replacement_opt = decoded->canonical_option[0]; | |
4025 | compare_debug_with_arg: | |
4026 | gcc_assert (decoded->canonical_option_num_elements == 1); | |
4027 | gcc_assert (arg != NULL); | |
400b18e7 | 4028 | if (*arg) |
e28aa114 | 4029 | compare_debug = 1; |
4030 | else | |
4031 | compare_debug = -1; | |
4032 | if (compare_debug < 0) | |
4033 | compare_debug_opt = NULL; | |
4034 | else | |
4035 | compare_debug_opt = arg; | |
556cfe53 | 4036 | save_switch (compare_debug_replacement_opt, 0, NULL, validated, true); |
dfa5c0d3 | 4037 | set_source_date_epoch_envvar (); |
e28aa114 | 4038 | return true; |
4039 | ||
9b11544d | 4040 | case OPT_fdiagnostics_color_: |
4041 | diagnostic_color_init (dc, value); | |
4042 | break; | |
4043 | ||
1bcc5c64 | 4044 | case OPT_fdiagnostics_format_: |
4045 | diagnostic_output_format_init (dc, | |
4046 | (enum diagnostics_output_format)value); | |
4047 | break; | |
4048 | ||
e28aa114 | 4049 | case OPT_Wa_: |
4050 | { | |
4051 | int prev, j; | |
4052 | /* Pass the rest of this option to the assembler. */ | |
4053 | ||
4054 | /* Split the argument at commas. */ | |
4055 | prev = 0; | |
4056 | for (j = 0; arg[j]; j++) | |
4057 | if (arg[j] == ',') | |
4058 | { | |
4059 | add_assembler_option (arg + prev, j - prev); | |
4060 | prev = j + 1; | |
4061 | } | |
4062 | ||
4063 | /* Record the part after the last comma. */ | |
4064 | add_assembler_option (arg + prev, j - prev); | |
4065 | } | |
4066 | do_save = false; | |
4067 | break; | |
4068 | ||
4069 | case OPT_Wp_: | |
4070 | { | |
4071 | int prev, j; | |
4072 | /* Pass the rest of this option to the preprocessor. */ | |
4073 | ||
4074 | /* Split the argument at commas. */ | |
4075 | prev = 0; | |
4076 | for (j = 0; arg[j]; j++) | |
4077 | if (arg[j] == ',') | |
4078 | { | |
4079 | add_preprocessor_option (arg + prev, j - prev); | |
4080 | prev = j + 1; | |
4081 | } | |
4082 | ||
4083 | /* Record the part after the last comma. */ | |
4084 | add_preprocessor_option (arg + prev, j - prev); | |
4085 | } | |
4086 | do_save = false; | |
4087 | break; | |
4088 | ||
4089 | case OPT_Wl_: | |
4090 | { | |
4091 | int prev, j; | |
4092 | /* Split the argument at commas. */ | |
4093 | prev = 0; | |
4094 | for (j = 0; arg[j]; j++) | |
4095 | if (arg[j] == ',') | |
4096 | { | |
4097 | add_infile (save_string (arg + prev, j - prev), "*"); | |
4098 | prev = j + 1; | |
4099 | } | |
4100 | /* Record the part after the last comma. */ | |
4101 | add_infile (arg + prev, "*"); | |
4102 | } | |
4103 | do_save = false; | |
4104 | break; | |
4105 | ||
4106 | case OPT_Xlinker: | |
4107 | add_infile (arg, "*"); | |
4108 | do_save = false; | |
4109 | break; | |
4110 | ||
4111 | case OPT_Xpreprocessor: | |
4112 | add_preprocessor_option (arg, strlen (arg)); | |
4113 | do_save = false; | |
4114 | break; | |
4115 | ||
4116 | case OPT_Xassembler: | |
4117 | add_assembler_option (arg, strlen (arg)); | |
4118 | do_save = false; | |
4119 | break; | |
4120 | ||
4121 | case OPT_l: | |
4122 | /* POSIX allows separation of -l and the lib arg; canonicalize | |
4123 | by concatenating -l with its arg */ | |
4124 | add_infile (concat ("-l", arg, NULL), "*"); | |
4125 | do_save = false; | |
4126 | break; | |
4127 | ||
67089c6b | 4128 | case OPT_L: |
4129 | /* Similarly, canonicalize -L for linkers that may not accept | |
4130 | separate arguments. */ | |
556cfe53 | 4131 | save_switch (concat ("-L", arg, NULL), 0, NULL, validated, true); |
67089c6b | 4132 | return true; |
4133 | ||
accf4556 | 4134 | case OPT_F: |
4135 | /* Likewise -F. */ | |
556cfe53 | 4136 | save_switch (concat ("-F", arg, NULL), 0, NULL, validated, true); |
accf4556 | 4137 | return true; |
4138 | ||
e28aa114 | 4139 | case OPT_save_temps: |
4140 | save_temps_flag = SAVE_TEMPS_CWD; | |
4141 | validated = true; | |
4142 | break; | |
4143 | ||
4144 | case OPT_save_temps_: | |
4145 | if (strcmp (arg, "cwd") == 0) | |
4146 | save_temps_flag = SAVE_TEMPS_CWD; | |
4147 | else if (strcmp (arg, "obj") == 0 | |
4148 | || strcmp (arg, "object") == 0) | |
4149 | save_temps_flag = SAVE_TEMPS_OBJ; | |
4150 | else | |
2f6d557f | 4151 | fatal_error (input_location, "%qs is an unknown %<-save-temps%> option", |
e28aa114 | 4152 | decoded->orig_option_with_args_text); |
4153 | break; | |
4154 | ||
4155 | case OPT_no_canonical_prefixes: | |
4156 | /* Already handled as a special case, so ignored here. */ | |
4157 | do_save = false; | |
4158 | break; | |
4159 | ||
4160 | case OPT_pipe: | |
4161 | validated = true; | |
e28aa114 | 4162 | /* These options set the variables specified in common.opt |
4163 | automatically, but do need to be saved for spec | |
4164 | processing. */ | |
4165 | break; | |
4166 | ||
e28aa114 | 4167 | case OPT_specs_: |
4168 | { | |
4169 | struct user_specs *user = XNEW (struct user_specs); | |
4170 | ||
4171 | user->next = (struct user_specs *) 0; | |
4172 | user->filename = arg; | |
4173 | if (user_specs_tail) | |
4174 | user_specs_tail->next = user; | |
4175 | else | |
4176 | user_specs_head = user; | |
4177 | user_specs_tail = user; | |
4178 | } | |
556cfe53 | 4179 | validated = true; |
e28aa114 | 4180 | break; |
4181 | ||
4182 | case OPT__sysroot_: | |
4183 | target_system_root = arg; | |
4184 | target_system_root_changed = 1; | |
4185 | do_save = false; | |
4186 | break; | |
4187 | ||
4188 | case OPT_time_: | |
4189 | if (report_times_to_file) | |
4190 | fclose (report_times_to_file); | |
4191 | report_times_to_file = fopen (arg, "a"); | |
4192 | do_save = false; | |
4193 | break; | |
4194 | ||
4195 | case OPT____: | |
4196 | /* "-###" | |
4197 | This is similar to -v except that there is no execution | |
4198 | of the commands and the echoed arguments are quoted. It | |
4199 | is intended for use in shell scripts to capture the | |
4200 | driver-generated command line. */ | |
4201 | verbose_only_flag++; | |
6bd9d862 | 4202 | verbose_flag = 1; |
e28aa114 | 4203 | do_save = false; |
4204 | break; | |
4205 | ||
4206 | case OPT_B: | |
4207 | { | |
4208 | size_t len = strlen (arg); | |
4209 | ||
4210 | /* Catch the case where the user has forgotten to append a | |
4211 | directory separator to the path. Note, they may be using | |
4212 | -B to add an executable name prefix, eg "i386-elf-", in | |
4213 | order to distinguish between multiple installations of | |
4214 | GCC in the same directory. Hence we must check to see | |
4215 | if appending a directory separator actually makes a | |
4216 | valid directory name. */ | |
4217 | if (!IS_DIR_SEPARATOR (arg[len - 1]) | |
4218 | && is_directory (arg, false)) | |
4219 | { | |
4220 | char *tmp = XNEWVEC (char, len + 2); | |
4221 | strcpy (tmp, arg); | |
4222 | tmp[len] = DIR_SEPARATOR; | |
4223 | tmp[++len] = 0; | |
4224 | arg = tmp; | |
4225 | } | |
4226 | ||
4227 | add_prefix (&exec_prefixes, arg, NULL, | |
4228 | PREFIX_PRIORITY_B_OPT, 0, 0); | |
4229 | add_prefix (&startfile_prefixes, arg, NULL, | |
4230 | PREFIX_PRIORITY_B_OPT, 0, 0); | |
4231 | add_prefix (&include_prefixes, arg, NULL, | |
4232 | PREFIX_PRIORITY_B_OPT, 0, 0); | |
4233 | } | |
4234 | validated = true; | |
4235 | break; | |
4236 | ||
800e901e | 4237 | case OPT_E: |
4238 | have_E = true; | |
4239 | break; | |
4240 | ||
e28aa114 | 4241 | case OPT_x: |
4242 | spec_lang = arg; | |
4243 | if (!strcmp (spec_lang, "none")) | |
4244 | /* Suppress the warning if -xnone comes after the last input | |
4245 | file, because alternate command interfaces like g++ might | |
4246 | find it useful to place -xnone after each input file. */ | |
4247 | spec_lang = 0; | |
4248 | else | |
4249 | last_language_n_infiles = n_infiles; | |
4250 | do_save = false; | |
4251 | break; | |
4252 | ||
e28aa114 | 4253 | case OPT_o: |
4254 | have_o = 1; | |
4255 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) || defined(HAVE_TARGET_OBJECT_SUFFIX) | |
4256 | arg = convert_filename (arg, ! have_c, 0); | |
4257 | #endif | |
4d0069ee | 4258 | output_file = arg; |
e28aa114 | 4259 | /* Save the output name in case -save-temps=obj was used. */ |
4260 | save_temps_prefix = xstrdup (arg); | |
4261 | /* On some systems, ld cannot handle "-o" without a space. So | |
4262 | split the option from its argument. */ | |
556cfe53 | 4263 | save_switch ("-o", 1, &arg, validated, true); |
e28aa114 | 4264 | return true; |
4265 | ||
d34b1105 | 4266 | #ifdef ENABLE_DEFAULT_PIE |
4267 | case OPT_pie: | |
4268 | /* -pie is turned on by default. */ | |
4269 | #endif | |
4270 | ||
e28aa114 | 4271 | case OPT_static_libgcc: |
4272 | case OPT_shared_libgcc: | |
4273 | case OPT_static_libgfortran: | |
4274 | case OPT_static_libstdc__: | |
4275 | /* These are always valid, since gcc.c itself understands the | |
4276 | first two, gfortranspec.c understands -static-libgfortran and | |
4277 | g++spec.c understands -static-libstdc++ */ | |
4278 | validated = true; | |
4279 | break; | |
4280 | ||
3e17769e | 4281 | case OPT_fwpa: |
4282 | flag_wpa = ""; | |
4283 | break; | |
4284 | ||
38e21583 | 4285 | case OPT_foffload_: |
4286 | handle_foffload_option (arg); | |
4287 | break; | |
4288 | ||
e28aa114 | 4289 | default: |
cb22f930 | 4290 | /* Various driver options need no special processing at this |
4291 | point, having been handled in a prescan above or being | |
4292 | handled by specs. */ | |
4293 | break; | |
e28aa114 | 4294 | } |
4295 | ||
4296 | if (do_save) | |
4297 | save_switch (decoded->canonical_option[0], | |
4298 | decoded->canonical_option_num_elements - 1, | |
556cfe53 | 4299 | &decoded->canonical_option[1], validated, true); |
e28aa114 | 4300 | return true; |
4301 | } | |
4302 | ||
4ff887c5 | 4303 | /* Put the driver's standard set of option handlers in *HANDLERS. */ |
4304 | ||
4305 | static void | |
4306 | set_option_handlers (struct cl_option_handlers *handlers) | |
4307 | { | |
4308 | handlers->unknown_option_callback = driver_unknown_option_callback; | |
4309 | handlers->wrong_lang_callback = driver_wrong_lang_callback; | |
90336809 | 4310 | handlers->num_handlers = 3; |
4ff887c5 | 4311 | handlers->handlers[0].handler = driver_handle_option; |
4312 | handlers->handlers[0].mask = CL_DRIVER; | |
90336809 | 4313 | handlers->handlers[1].handler = common_handle_option; |
4314 | handlers->handlers[1].mask = CL_COMMON; | |
4315 | handlers->handlers[2].handler = target_handle_option; | |
4316 | handlers->handlers[2].mask = CL_TARGET; | |
4ff887c5 | 4317 | } |
4318 | ||
d7a9644e | 4319 | /* Create the vector `switches' and its contents. |
4320 | Store its length in `n_switches'. */ | |
4321 | ||
4322 | static void | |
e62df35b | 4323 | process_command (unsigned int decoded_options_count, |
4324 | struct cl_decoded_option *decoded_options) | |
d7a9644e | 4325 | { |
e40d43cc | 4326 | const char *temp; |
4327 | char *temp1; | |
ce0fdb91 | 4328 | char *tooldir_prefix, *tooldir_prefix2; |
d05a1771 | 4329 | char *(*get_relative_prefix) (const char *, const char *, |
4330 | const char *) = NULL; | |
e28aa114 | 4331 | struct cl_option_handlers handlers; |
e62df35b | 4332 | unsigned int j; |
d7a9644e | 4333 | |
26a4a13d | 4334 | gcc_exec_prefix = env.get ("GCC_EXEC_PREFIX"); |
bfef3e2f | 4335 | |
d7a9644e | 4336 | n_switches = 0; |
4337 | n_infiles = 0; | |
9e56255a | 4338 | added_libraries = 0; |
0d3f9dba | 4339 | |
4dd56bd9 | 4340 | /* Figure compiler version from version string. */ |
4341 | ||
2c815aff | 4342 | compiler_version = temp1 = xstrdup (version_string); |
713829e9 | 4343 | |
e40d43cc | 4344 | for (; *temp1; ++temp1) |
4dd56bd9 | 4345 | { |
e40d43cc | 4346 | if (*temp1 == ' ') |
4dd56bd9 | 4347 | { |
e40d43cc | 4348 | *temp1 = '\0'; |
4dd56bd9 | 4349 | break; |
4350 | } | |
4351 | } | |
d7a9644e | 4352 | |
d05a1771 | 4353 | /* Handle any -no-canonical-prefixes flag early, to assign the function |
4354 | that builds relative prefixes. This function creates default search | |
4355 | paths that are needed later in normal option handling. */ | |
4356 | ||
5789e05b | 4357 | for (j = 1; j < decoded_options_count; j++) |
d05a1771 | 4358 | { |
5789e05b | 4359 | if (decoded_options[j].opt_index == OPT_no_canonical_prefixes) |
d05a1771 | 4360 | { |
4361 | get_relative_prefix = make_relative_prefix_ignore_links; | |
4362 | break; | |
4363 | } | |
4364 | } | |
4365 | if (! get_relative_prefix) | |
4366 | get_relative_prefix = make_relative_prefix; | |
4367 | ||
b155ba2f | 4368 | /* Set up the default search paths. If there is no GCC_EXEC_PREFIX, |
e62df35b | 4369 | see if we can create it from the pathname specified in |
4370 | decoded_options[0].arg. */ | |
b155ba2f | 4371 | |
9db45a87 | 4372 | gcc_libexec_prefix = standard_libexec_prefix; |
b155ba2f | 4373 | #ifndef VMS |
4374 | /* FIXME: make_relative_prefix doesn't yet work for VMS. */ | |
4375 | if (!gcc_exec_prefix) | |
4376 | { | |
e62df35b | 4377 | gcc_exec_prefix = get_relative_prefix (decoded_options[0].arg, |
d05a1771 | 4378 | standard_bindir_prefix, |
4379 | standard_exec_prefix); | |
e62df35b | 4380 | gcc_libexec_prefix = get_relative_prefix (decoded_options[0].arg, |
d05a1771 | 4381 | standard_bindir_prefix, |
4382 | standard_libexec_prefix); | |
b155ba2f | 4383 | if (gcc_exec_prefix) |
99c00302 | 4384 | xputenv (concat ("GCC_EXEC_PREFIX=", gcc_exec_prefix, NULL)); |
b155ba2f | 4385 | } |
9db45a87 | 4386 | else |
01b26439 | 4387 | { |
4388 | /* make_relative_prefix requires a program name, but | |
4389 | GCC_EXEC_PREFIX is typically a directory name with a trailing | |
4390 | / (which is ignored by make_relative_prefix), so append a | |
4391 | program name. */ | |
4392 | char *tmp_prefix = concat (gcc_exec_prefix, "gcc", NULL); | |
d05a1771 | 4393 | gcc_libexec_prefix = get_relative_prefix (tmp_prefix, |
4394 | standard_exec_prefix, | |
4395 | standard_libexec_prefix); | |
c4328bcc | 4396 | |
4397 | /* The path is unrelocated, so fallback to the original setting. */ | |
4398 | if (!gcc_libexec_prefix) | |
4399 | gcc_libexec_prefix = standard_libexec_prefix; | |
4400 | ||
01b26439 | 4401 | free (tmp_prefix); |
4402 | } | |
9db45a87 | 4403 | #else |
b155ba2f | 4404 | #endif |
c4328bcc | 4405 | /* From this point onward, gcc_exec_prefix is non-null if the toolchain |
4406 | is relocated. The toolchain was either relocated using GCC_EXEC_PREFIX | |
e62df35b | 4407 | or an automatically created GCC_EXEC_PREFIX from |
4408 | decoded_options[0].arg. */ | |
d7a9644e | 4409 | |
15b28e16 | 4410 | /* Do language-specific adjustment/addition of flags. */ |
cb22f930 | 4411 | lang_specific_driver (&decoded_options, &decoded_options_count, |
15b28e16 | 4412 | &added_libraries); |
4413 | ||
bfef3e2f | 4414 | if (gcc_exec_prefix) |
d7a9644e | 4415 | { |
055237ef | 4416 | int len = strlen (gcc_exec_prefix); |
7d3bd8c0 | 4417 | |
9db45a87 | 4418 | if (len > (int) sizeof ("/lib/gcc/") - 1 |
79b23a1e | 4419 | && (IS_DIR_SEPARATOR (gcc_exec_prefix[len-1]))) |
055237ef | 4420 | { |
9db45a87 | 4421 | temp = gcc_exec_prefix + len - sizeof ("/lib/gcc/") + 1; |
79b23a1e | 4422 | if (IS_DIR_SEPARATOR (*temp) |
82715bcd | 4423 | && filename_ncmp (temp + 1, "lib", 3) == 0 |
79b23a1e | 4424 | && IS_DIR_SEPARATOR (temp[4]) |
82715bcd | 4425 | && filename_ncmp (temp + 5, "gcc", 3) == 0) |
9db45a87 | 4426 | len -= sizeof ("/lib/gcc/") - 1; |
055237ef | 4427 | } |
4428 | ||
4429 | set_std_prefix (gcc_exec_prefix, len); | |
9db45a87 | 4430 | add_prefix (&exec_prefixes, gcc_libexec_prefix, "GCC", |
2af84186 | 4431 | PREFIX_PRIORITY_LAST, 0, 0); |
acd84059 | 4432 | add_prefix (&startfile_prefixes, gcc_exec_prefix, "GCC", |
2af84186 | 4433 | PREFIX_PRIORITY_LAST, 0, 0); |
d7a9644e | 4434 | } |
4435 | ||
4436 | /* COMPILER_PATH and LIBRARY_PATH have values | |
4437 | that are lists of directory names with colons. */ | |
4438 | ||
26a4a13d | 4439 | temp = env.get ("COMPILER_PATH"); |
d7a9644e | 4440 | if (temp) |
4441 | { | |
e40d43cc | 4442 | const char *startp, *endp; |
25a1c410 | 4443 | char *nstore = (char *) alloca (strlen (temp) + 3); |
d7a9644e | 4444 | |
4445 | startp = endp = temp; | |
4446 | while (1) | |
4447 | { | |
99b832c9 | 4448 | if (*endp == PATH_SEPARATOR || *endp == 0) |
d7a9644e | 4449 | { |
026f2c7a | 4450 | strncpy (nstore, startp, endp - startp); |
d7a9644e | 4451 | if (endp == startp) |
4e2023c8 | 4452 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
79b23a1e | 4453 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
d7a9644e | 4454 | { |
026f2c7a | 4455 | nstore[endp - startp] = DIR_SEPARATOR; |
4456 | nstore[endp - startp + 1] = 0; | |
d7a9644e | 4457 | } |
4458 | else | |
026f2c7a | 4459 | nstore[endp - startp] = 0; |
acd84059 | 4460 | add_prefix (&exec_prefixes, nstore, 0, |
2af84186 | 4461 | PREFIX_PRIORITY_LAST, 0, 0); |
42bbc7e6 | 4462 | add_prefix (&include_prefixes, nstore, 0, |
2af84186 | 4463 | PREFIX_PRIORITY_LAST, 0, 0); |
d7a9644e | 4464 | if (*endp == 0) |
4465 | break; | |
4466 | endp = startp = endp + 1; | |
4467 | } | |
4468 | else | |
4469 | endp++; | |
4470 | } | |
4471 | } | |
4472 | ||
26a4a13d | 4473 | temp = env.get (LIBRARY_PATH_ENV); |
c6456dcd | 4474 | if (temp && *cross_compile == '0') |
d7a9644e | 4475 | { |
e40d43cc | 4476 | const char *startp, *endp; |
25a1c410 | 4477 | char *nstore = (char *) alloca (strlen (temp) + 3); |
d7a9644e | 4478 | |
4479 | startp = endp = temp; | |
4480 | while (1) | |
4481 | { | |
99b832c9 | 4482 | if (*endp == PATH_SEPARATOR || *endp == 0) |
d7a9644e | 4483 | { |
026f2c7a | 4484 | strncpy (nstore, startp, endp - startp); |
d7a9644e | 4485 | if (endp == startp) |
4e2023c8 | 4486 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
79b23a1e | 4487 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
d7a9644e | 4488 | { |
026f2c7a | 4489 | nstore[endp - startp] = DIR_SEPARATOR; |
4490 | nstore[endp - startp + 1] = 0; | |
d7a9644e | 4491 | } |
4492 | else | |
026f2c7a | 4493 | nstore[endp - startp] = 0; |
d946ea19 | 4494 | add_prefix (&startfile_prefixes, nstore, NULL, |
2af84186 | 4495 | PREFIX_PRIORITY_LAST, 0, 1); |
d7a9644e | 4496 | if (*endp == 0) |
4497 | break; | |
4498 | endp = startp = endp + 1; | |
4499 | } | |
4500 | else | |
4501 | endp++; | |
4502 | } | |
4503 | } | |
4504 | ||
4505 | /* Use LPATH like LIBRARY_PATH (for the CMU build program). */ | |
26a4a13d | 4506 | temp = env.get ("LPATH"); |
c6456dcd | 4507 | if (temp && *cross_compile == '0') |
d7a9644e | 4508 | { |
e40d43cc | 4509 | const char *startp, *endp; |
25a1c410 | 4510 | char *nstore = (char *) alloca (strlen (temp) + 3); |
d7a9644e | 4511 | |
4512 | startp = endp = temp; | |
4513 | while (1) | |
4514 | { | |
99b832c9 | 4515 | if (*endp == PATH_SEPARATOR || *endp == 0) |
d7a9644e | 4516 | { |
026f2c7a | 4517 | strncpy (nstore, startp, endp - startp); |
d7a9644e | 4518 | if (endp == startp) |
4e2023c8 | 4519 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
79b23a1e | 4520 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
d7a9644e | 4521 | { |
026f2c7a | 4522 | nstore[endp - startp] = DIR_SEPARATOR; |
4523 | nstore[endp - startp + 1] = 0; | |
d7a9644e | 4524 | } |
4525 | else | |
026f2c7a | 4526 | nstore[endp - startp] = 0; |
d946ea19 | 4527 | add_prefix (&startfile_prefixes, nstore, NULL, |
2af84186 | 4528 | PREFIX_PRIORITY_LAST, 0, 1); |
d7a9644e | 4529 | if (*endp == 0) |
4530 | break; | |
4531 | endp = startp = endp + 1; | |
4532 | } | |
4533 | else | |
4534 | endp++; | |
4535 | } | |
4536 | } | |
4537 | ||
bd338b2c | 4538 | /* Process the options and store input files and switches in their |
4539 | vectors. */ | |
4540 | ||
4541 | last_language_n_infiles = -1; | |
d7a9644e | 4542 | |
4ff887c5 | 4543 | set_option_handlers (&handlers); |
0bfd146e | 4544 | |
e28aa114 | 4545 | for (j = 1; j < decoded_options_count; j++) |
4546 | { | |
4547 | switch (decoded_options[j].opt_index) | |
74e4079a | 4548 | { |
e28aa114 | 4549 | case OPT_S: |
4550 | case OPT_c: | |
4551 | case OPT_E: | |
4552 | have_c = 1; | |
4553 | break; | |
74e4079a | 4554 | } |
e28aa114 | 4555 | if (have_c) |
4556 | break; | |
4557 | } | |
d7a9644e | 4558 | |
e28aa114 | 4559 | for (j = 1; j < decoded_options_count; j++) |
4560 | { | |
4561 | if (decoded_options[j].opt_index == OPT_SPECIAL_input_file) | |
e71cc307 | 4562 | { |
e28aa114 | 4563 | const char *arg = decoded_options[j].arg; |
4564 | const char *p = strrchr (arg, '@'); | |
bd338b2c | 4565 | char *fname; |
4566 | long offset; | |
4567 | int consumed; | |
4568 | #ifdef HAVE_TARGET_OBJECT_SUFFIX | |
e28aa114 | 4569 | arg = convert_filename (arg, 0, access (arg, F_OK)); |
bd338b2c | 4570 | #endif |
4571 | /* For LTO static archive support we handle input file | |
4572 | specifications that are composed of a filename and | |
4573 | an offset like FNAME@OFFSET. */ | |
4574 | if (p | |
e28aa114 | 4575 | && p != arg |
bd338b2c | 4576 | && sscanf (p, "@%li%n", &offset, &consumed) >= 1 |
4577 | && strlen (p) == (unsigned int)consumed) | |
4578 | { | |
e28aa114 | 4579 | fname = (char *)xmalloc (p - arg + 1); |
4580 | memcpy (fname, arg, p - arg); | |
4581 | fname[p - arg] = '\0'; | |
bd338b2c | 4582 | /* Only accept non-stdin and existing FNAME parts, otherwise |
4583 | try with the full name. */ | |
4584 | if (strcmp (fname, "-") == 0 || access (fname, F_OK) < 0) | |
4585 | { | |
4586 | free (fname); | |
e28aa114 | 4587 | fname = xstrdup (arg); |
bd338b2c | 4588 | } |
4589 | } | |
4590 | else | |
e28aa114 | 4591 | fname = xstrdup (arg); |
556cfe53 | 4592 | |
bd338b2c | 4593 | if (strcmp (fname, "-") != 0 && access (fname, F_OK) < 0) |
2d5b5385 | 4594 | { |
a00c2b64 | 4595 | bool resp = fname[0] == '@' && access (fname + 1, F_OK) < 0; |
4596 | error ("%s: %m", fname + resp); | |
2d5b5385 | 4597 | } |
bd338b2c | 4598 | else |
e28aa114 | 4599 | add_infile (arg, spec_lang); |
bd338b2c | 4600 | |
4601 | free (fname); | |
e28aa114 | 4602 | continue; |
e71cc307 | 4603 | } |
e28aa114 | 4604 | |
f83b64ca | 4605 | read_cmdline_option (&global_options, &global_options_set, |
3c6c0e40 | 4606 | decoded_options + j, UNKNOWN_LOCATION, |
4607 | CL_DRIVER, &handlers, global_dc); | |
d7a9644e | 4608 | } |
4609 | ||
daa8f58f | 4610 | /* If the user didn't specify any, default to all configured offload |
4611 | targets. */ | |
5f3001a9 | 4612 | if (ENABLE_OFFLOADING && offload_targets == NULL) |
daa8f58f | 4613 | handle_foffload_option (OFFLOAD_TARGETS); |
daa8f58f | 4614 | |
25dbe4c7 | 4615 | if (output_file |
4616 | && strcmp (output_file, "-") != 0 | |
4617 | && strcmp (output_file, HOST_BIT_BUCKET) != 0) | |
4d0069ee | 4618 | { |
4619 | int i; | |
4620 | for (i = 0; i < n_infiles; i++) | |
4621 | if ((!infiles[i].language || infiles[i].language[0] != '*') | |
4622 | && canonical_filename_eq (infiles[i].name, output_file)) | |
c05be867 | 4623 | fatal_error (input_location, |
4624 | "input file %qs is the same as output file", | |
4d0069ee | 4625 | output_file); |
4626 | } | |
4627 | ||
a6786610 | 4628 | if (output_file != NULL && output_file[0] == '\0') |
4629 | fatal_error (input_location, "output filename may not be empty"); | |
4630 | ||
cc92bc82 | 4631 | /* If -save-temps=obj and -o name, create the prefix to use for %b. |
4632 | Otherwise just make -save-temps=obj the same as -save-temps=cwd. */ | |
4633 | if (save_temps_flag == SAVE_TEMPS_OBJ && save_temps_prefix != NULL) | |
4634 | { | |
4635 | save_temps_length = strlen (save_temps_prefix); | |
4636 | temp = strrchr (lbasename (save_temps_prefix), '.'); | |
4637 | if (temp) | |
4638 | { | |
4639 | save_temps_length -= strlen (temp); | |
4640 | save_temps_prefix[save_temps_length] = '\0'; | |
4641 | } | |
4642 | ||
4643 | } | |
4644 | else if (save_temps_prefix != NULL) | |
4645 | { | |
4646 | free (save_temps_prefix); | |
4647 | save_temps_prefix = NULL; | |
4648 | } | |
4649 | ||
288e5bba | 4650 | if (save_temps_flag && use_pipes) |
805e22b2 | 4651 | { |
4652 | /* -save-temps overrides -pipe, so that temp files are produced */ | |
4653 | if (save_temps_flag) | |
2f6d557f | 4654 | warning (0, "%<-pipe%> ignored because %<-save-temps%> specified"); |
805e22b2 | 4655 | use_pipes = 0; |
4656 | } | |
952f0048 | 4657 | |
71278019 | 4658 | if (!compare_debug) |
4659 | { | |
26a4a13d | 4660 | const char *gcd = env.get ("GCC_COMPARE_DEBUG"); |
71278019 | 4661 | |
4662 | if (gcd && gcd[0] == '-') | |
4663 | { | |
4664 | compare_debug = 2; | |
4665 | compare_debug_opt = gcd; | |
71278019 | 4666 | } |
4667 | else if (gcd && *gcd && strcmp (gcd, "0")) | |
4668 | { | |
4669 | compare_debug = 3; | |
4670 | compare_debug_opt = "-gtoggle"; | |
71278019 | 4671 | } |
4672 | } | |
4673 | else if (compare_debug < 0) | |
4674 | { | |
4675 | compare_debug = 0; | |
4676 | gcc_assert (!compare_debug_opt); | |
4677 | } | |
4678 | ||
c4328bcc | 4679 | /* Set up the search paths. We add directories that we expect to |
4680 | contain GNU Toolchain components before directories specified by | |
4681 | the machine description so that we will find GNU components (like | |
48e1416a | 4682 | the GNU assembler) before those of the host system. */ |
d7a9644e | 4683 | |
c4328bcc | 4684 | /* If we don't know where the toolchain has been installed, use the |
4685 | configured-in locations. */ | |
4686 | if (!gcc_exec_prefix) | |
4687 | { | |
b9374a77 | 4688 | #ifndef OS2 |
c4328bcc | 4689 | add_prefix (&exec_prefixes, standard_libexec_prefix, "GCC", |
4690 | PREFIX_PRIORITY_LAST, 1, 0); | |
4691 | add_prefix (&exec_prefixes, standard_libexec_prefix, "BINUTILS", | |
4692 | PREFIX_PRIORITY_LAST, 2, 0); | |
4693 | add_prefix (&exec_prefixes, standard_exec_prefix, "BINUTILS", | |
4694 | PREFIX_PRIORITY_LAST, 2, 0); | |
b9374a77 | 4695 | #endif |
c4328bcc | 4696 | add_prefix (&startfile_prefixes, standard_exec_prefix, "BINUTILS", |
4697 | PREFIX_PRIORITY_LAST, 1, 0); | |
4698 | } | |
d7a9644e | 4699 | |
c4328bcc | 4700 | gcc_assert (!IS_ABSOLUTE_PATH (tooldir_base_prefix)); |
f2fd5997 | 4701 | tooldir_prefix2 = concat (tooldir_base_prefix, spec_machine, |
ce0fdb91 | 4702 | dir_separator_str, NULL); |
6c6aff9e | 4703 | |
c4328bcc | 4704 | /* Look for tools relative to the location from which the driver is |
4705 | running, or, if that is not available, the configured prefix. */ | |
4706 | tooldir_prefix | |
4707 | = concat (gcc_exec_prefix ? gcc_exec_prefix : standard_exec_prefix, | |
77415571 | 4708 | spec_host_machine, dir_separator_str, spec_version, |
4709 | accel_dir_suffix, dir_separator_str, tooldir_prefix2, NULL); | |
ce0fdb91 | 4710 | free (tooldir_prefix2); |
6c6aff9e | 4711 | |
2c815aff | 4712 | add_prefix (&exec_prefixes, |
4e2023c8 | 4713 | concat (tooldir_prefix, "bin", dir_separator_str, NULL), |
2af84186 | 4714 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, 0); |
b9374a77 | 4715 | add_prefix (&startfile_prefixes, |
4e2023c8 | 4716 | concat (tooldir_prefix, "lib", dir_separator_str, NULL), |
2af84186 | 4717 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, 1); |
ce0fdb91 | 4718 | free (tooldir_prefix); |
06e67e16 | 4719 | |
17acc97a | 4720 | #if defined(TARGET_SYSTEM_ROOT_RELOCATABLE) && !defined(VMS) |
4721 | /* If the normal TARGET_SYSTEM_ROOT is inside of $exec_prefix, | |
4722 | then consider it to relocate with the rest of the GCC installation | |
4723 | if GCC_EXEC_PREFIX is set. | |
4724 | ``make_relative_prefix'' is not compiled for VMS, so don't call it. */ | |
bd338b2c | 4725 | if (target_system_root && !target_system_root_changed && gcc_exec_prefix) |
805e22b2 | 4726 | { |
e62df35b | 4727 | char *tmp_prefix = get_relative_prefix (decoded_options[0].arg, |
d05a1771 | 4728 | standard_bindir_prefix, |
4729 | target_system_root); | |
805e22b2 | 4730 | if (tmp_prefix && access_check (tmp_prefix, F_OK) == 0) |
17acc97a | 4731 | { |
4732 | target_system_root = tmp_prefix; | |
4733 | target_system_root_changed = 1; | |
4734 | } | |
805e22b2 | 4735 | } |
17acc97a | 4736 | #endif |
805e22b2 | 4737 | |
a45072dd | 4738 | /* More prefixes are enabled in main, after we read the specs file |
4739 | and determine whether this is cross-compilation or not. */ | |
d7a9644e | 4740 | |
b0e7b414 | 4741 | if (n_infiles == last_language_n_infiles && spec_lang != 0) |
a8c464ac | 4742 | warning (0, "%<-x %s%> after last input file has no effect", spec_lang); |
d7a9644e | 4743 | |
c5f21b95 | 4744 | /* Synthesize -fcompare-debug flag from the GCC_COMPARE_DEBUG |
4745 | environment variable. */ | |
71278019 | 4746 | if (compare_debug == 2 || compare_debug == 3) |
4747 | { | |
c5f21b95 | 4748 | const char *opt = concat ("-fcompare-debug=", compare_debug_opt, NULL); |
4749 | save_switch (opt, 0, NULL, false, true); | |
71278019 | 4750 | compare_debug = 1; |
4751 | } | |
4752 | ||
258d3911 | 4753 | /* Ensure we only invoke each subprocess once. */ |
6332f653 | 4754 | if (n_infiles == 0 |
4755 | && (print_subprocess_help || print_help_list || print_version)) | |
258d3911 | 4756 | { |
87c75316 | 4757 | /* Create a dummy input file, so that we can pass |
4758 | the help option on to the various sub-processes. */ | |
bd338b2c | 4759 | add_infile ("help-dummy", "c"); |
258d3911 | 4760 | } |
4761 | ||
e1a390d6 | 4762 | /* Decide if undefined variable references are allowed in specs. */ |
4763 | ||
d8b77462 | 4764 | /* -v alone is safe. --version and --help alone or together are safe. Note |
4765 | that -v would make them unsafe, as they'd then be run for subprocesses as | |
4766 | well, the location of which might depend on variables possibly coming | |
4767 | from self-specs. Note also that the command name is counted in | |
4768 | decoded_options_count. */ | |
e1a390d6 | 4769 | |
d8b77462 | 4770 | unsigned help_version_count = 0; |
e1a390d6 | 4771 | |
4772 | if (print_version) | |
d8b77462 | 4773 | help_version_count++; |
4774 | ||
e1a390d6 | 4775 | if (print_help_list) |
d8b77462 | 4776 | help_version_count++; |
4777 | ||
4778 | spec_undefvar_allowed = | |
4779 | ((verbose_flag && decoded_options_count == 2) | |
4780 | || help_version_count == decoded_options_count - 1); | |
e1a390d6 | 4781 | |
bd338b2c | 4782 | alloc_switch (); |
d7a9644e | 4783 | switches[n_switches].part1 = 0; |
bd338b2c | 4784 | alloc_infile (); |
d7a9644e | 4785 | infiles[n_infiles].name = 0; |
4786 | } | |
32d661fc | 4787 | |
805e22b2 | 4788 | /* Store switches not filtered out by %<S in spec in COLLECT_GCC_OPTIONS |
32d661fc | 4789 | and place that in the environment. */ |
4790 | ||
4791 | static void | |
952f0048 | 4792 | set_collect_gcc_options (void) |
32d661fc | 4793 | { |
4794 | int i; | |
4795 | int first_time; | |
4796 | ||
4797 | /* Build COLLECT_GCC_OPTIONS to have all of the options specified to | |
4798 | the compiler. */ | |
4799 | obstack_grow (&collect_obstack, "COLLECT_GCC_OPTIONS=", | |
4800 | sizeof ("COLLECT_GCC_OPTIONS=") - 1); | |
4801 | ||
4802 | first_time = TRUE; | |
4803 | for (i = 0; (int) i < n_switches; i++) | |
4804 | { | |
4805 | const char *const *args; | |
4806 | const char *p, *q; | |
4807 | if (!first_time) | |
4808 | obstack_grow (&collect_obstack, " ", 1); | |
4809 | ||
4810 | first_time = FALSE; | |
4811 | ||
4812 | /* Ignore elided switches. */ | |
5c1421d7 | 4813 | if ((switches[i].live_cond |
4814 | & (SWITCH_IGNORE | SWITCH_KEEP_FOR_GCC)) | |
4815 | == SWITCH_IGNORE) | |
32d661fc | 4816 | continue; |
4817 | ||
4818 | obstack_grow (&collect_obstack, "'-", 2); | |
4819 | q = switches[i].part1; | |
4820 | while ((p = strchr (q, '\''))) | |
4821 | { | |
4822 | obstack_grow (&collect_obstack, q, p - q); | |
4823 | obstack_grow (&collect_obstack, "'\\''", 4); | |
4824 | q = ++p; | |
4825 | } | |
4826 | obstack_grow (&collect_obstack, q, strlen (q)); | |
4827 | obstack_grow (&collect_obstack, "'", 1); | |
4828 | ||
4829 | for (args = switches[i].args; args && *args; args++) | |
4830 | { | |
4831 | obstack_grow (&collect_obstack, " '", 2); | |
4832 | q = *args; | |
4833 | while ((p = strchr (q, '\''))) | |
4834 | { | |
4835 | obstack_grow (&collect_obstack, q, p - q); | |
4836 | obstack_grow (&collect_obstack, "'\\''", 4); | |
4837 | q = ++p; | |
4838 | } | |
4839 | obstack_grow (&collect_obstack, q, strlen (q)); | |
4840 | obstack_grow (&collect_obstack, "'", 1); | |
4841 | } | |
4842 | } | |
4843 | obstack_grow (&collect_obstack, "\0", 1); | |
99c00302 | 4844 | xputenv (XOBFINISH (&collect_obstack, char *)); |
32d661fc | 4845 | } |
d7a9644e | 4846 | \f |
4847 | /* Process a spec string, accumulating and running commands. */ | |
4848 | ||
4849 | /* These variables describe the input file name. | |
4850 | input_file_number is the index on outfiles of this file, | |
4851 | so that the output file name can be stored for later use by %o. | |
4852 | input_basename is the start of the part of the input file | |
4853 | sans all directory names, and basename_length is the number | |
4854 | of characters starting there excluding the suffix .c or whatever. */ | |
4855 | ||
460b8bb3 | 4856 | static const char *gcc_input_filename; |
d7a9644e | 4857 | static int input_file_number; |
f9b7c0b9 | 4858 | size_t input_filename_length; |
d7a9644e | 4859 | static int basename_length; |
1cf79a1a | 4860 | static int suffixed_basename_length; |
e40d43cc | 4861 | static const char *input_basename; |
4862 | static const char *input_suffix; | |
030ec15c | 4863 | #ifndef HOST_LACKS_INODE_NUMBERS |
74e4079a | 4864 | static struct stat input_stat; |
030ec15c | 4865 | #endif |
74e4079a | 4866 | static int input_stat_set; |
d7a9644e | 4867 | |
96842e40 | 4868 | /* The compiler used to process the current input file. */ |
4869 | static struct compiler *input_file_compiler; | |
4870 | ||
d7a9644e | 4871 | /* These are variables used within do_spec and do_spec_1. */ |
4872 | ||
4873 | /* Nonzero if an arg has been started and not yet terminated | |
4874 | (with space, tab or newline). */ | |
4875 | static int arg_going; | |
4876 | ||
4877 | /* Nonzero means %d or %g has been seen; the next arg to be terminated | |
4878 | is a temporary file name. */ | |
4879 | static int delete_this_arg; | |
4880 | ||
4881 | /* Nonzero means %w has been seen; the next arg to be terminated | |
4882 | is the output file name of this compilation. */ | |
4883 | static int this_is_output_file; | |
4884 | ||
4885 | /* Nonzero means %s has been seen; the next arg to be terminated | |
4886 | is the name of a library file and we should try the standard | |
4887 | search dirs for it. */ | |
4888 | static int this_is_library_file; | |
4889 | ||
d7ee9e9b | 4890 | /* Nonzero means %T has been seen; the next arg to be terminated |
4891 | is the name of a linker script and we should try all of the | |
4892 | standard search dirs for it. If it is found insert a --script | |
4893 | command line switch and then substitute the full path in place, | |
4894 | otherwise generate an error message. */ | |
4895 | static int this_is_linker_script; | |
4896 | ||
f90016ef | 4897 | /* Nonzero means that the input of this command is coming from a pipe. */ |
4898 | static int input_from_pipe; | |
4899 | ||
bdbd5352 | 4900 | /* Nonnull means substitute this for any suffix when outputting a switches |
aa40f561 | 4901 | arguments. */ |
bdbd5352 | 4902 | static const char *suffix_subst; |
4903 | ||
558cc3be | 4904 | /* If there is an argument being accumulated, terminate it and store it. */ |
4905 | ||
4906 | static void | |
4907 | end_going_arg (void) | |
4908 | { | |
4909 | if (arg_going) | |
4910 | { | |
4911 | const char *string; | |
4912 | ||
4913 | obstack_1grow (&obstack, 0); | |
4914 | string = XOBFINISH (&obstack, const char *); | |
4915 | if (this_is_library_file) | |
4916 | string = find_file (string); | |
d7ee9e9b | 4917 | if (this_is_linker_script) |
4918 | { | |
4919 | char * full_script_path = find_a_file (&startfile_prefixes, string, R_OK, true); | |
4920 | ||
4921 | if (full_script_path == NULL) | |
4922 | { | |
a8c464ac | 4923 | error ("unable to locate default linker script %qs in the library search paths", string); |
d7ee9e9b | 4924 | /* Script was not found on search path. */ |
4925 | return; | |
4926 | } | |
4927 | store_arg ("--script", false, false); | |
4928 | string = full_script_path; | |
4929 | } | |
558cc3be | 4930 | store_arg (string, delete_this_arg, this_is_output_file); |
4931 | if (this_is_output_file) | |
4932 | outfiles[input_file_number] = string; | |
4933 | arg_going = 0; | |
4934 | } | |
4935 | } | |
4936 | ||
0bfd146e | 4937 | |
4938 | /* Parse the WRAPPER string which is a comma separated list of the command line | |
4939 | and insert them into the beginning of argbuf. */ | |
4940 | ||
4941 | static void | |
4942 | insert_wrapper (const char *wrapper) | |
4943 | { | |
4944 | int n = 0; | |
4945 | int i; | |
4946 | char *buf = xstrdup (wrapper); | |
4947 | char *p = buf; | |
f1f41a6c | 4948 | unsigned int old_length = argbuf.length (); |
0bfd146e | 4949 | |
4950 | do | |
4951 | { | |
4952 | n++; | |
4953 | while (*p == ',') | |
4954 | p++; | |
4955 | } | |
4956 | while ((p = strchr (p, ',')) != NULL); | |
4957 | ||
f1f41a6c | 4958 | argbuf.safe_grow (old_length + n); |
4959 | memmove (argbuf.address () + n, | |
4960 | argbuf.address (), | |
9d9edc85 | 4961 | old_length * sizeof (const_char_p)); |
0bfd146e | 4962 | |
4963 | i = 0; | |
4964 | p = buf; | |
4965 | do | |
4966 | { | |
4967 | while (*p == ',') | |
4968 | { | |
4969 | *p = 0; | |
4970 | p++; | |
4971 | } | |
f1f41a6c | 4972 | argbuf[i] = p; |
9d9edc85 | 4973 | i++; |
0bfd146e | 4974 | } |
4975 | while ((p = strchr (p, ',')) != NULL); | |
4976 | gcc_assert (i == n); | |
0bfd146e | 4977 | } |
4978 | ||
d7a9644e | 4979 | /* Process the spec SPEC and run the commands specified therein. |
4980 | Returns 0 if the spec is successfully processed; -1 if failed. */ | |
4981 | ||
f9b7c0b9 | 4982 | int |
952f0048 | 4983 | do_spec (const char *spec) |
d7a9644e | 4984 | { |
4985 | int value; | |
4986 | ||
c834ef92 | 4987 | value = do_spec_2 (spec, NULL); |
d7a9644e | 4988 | |
4989 | /* Force out any unfinished command. | |
4990 | If -pipe, this forces out the last command if it ended in `|'. */ | |
4991 | if (value == 0) | |
4992 | { | |
f1f41a6c | 4993 | if (argbuf.length () > 0 |
4994 | && !strcmp (argbuf.last (), "|")) | |
4995 | argbuf.pop (); | |
d7a9644e | 4996 | |
32d661fc | 4997 | set_collect_gcc_options (); |
4998 | ||
f1f41a6c | 4999 | if (argbuf.length () > 0) |
d7a9644e | 5000 | value = execute (); |
5001 | } | |
5002 | ||
5003 | return value; | |
5004 | } | |
5005 | ||
c834ef92 | 5006 | /* Process the spec SPEC, with SOFT_MATCHED_PART designating the current value |
5007 | of a matched * pattern which may be re-injected by way of %*. */ | |
5008 | ||
4ae4e5e8 | 5009 | static int |
c834ef92 | 5010 | do_spec_2 (const char *spec, const char *soft_matched_part) |
4ae4e5e8 | 5011 | { |
5842765d | 5012 | int result; |
5013 | ||
4ae4e5e8 | 5014 | clear_args (); |
5015 | arg_going = 0; | |
5016 | delete_this_arg = 0; | |
5017 | this_is_output_file = 0; | |
5018 | this_is_library_file = 0; | |
d7ee9e9b | 5019 | this_is_linker_script = 0; |
4ae4e5e8 | 5020 | input_from_pipe = 0; |
5021 | suffix_subst = NULL; | |
5022 | ||
c834ef92 | 5023 | result = do_spec_1 (spec, 0, soft_matched_part); |
5842765d | 5024 | |
558cc3be | 5025 | end_going_arg (); |
5842765d | 5026 | |
5027 | return result; | |
4ae4e5e8 | 5028 | } |
5029 | ||
7dd97ab6 | 5030 | /* Process the given spec string and add any new options to the end |
5031 | of the switches/n_switches array. */ | |
5032 | ||
5033 | static void | |
952f0048 | 5034 | do_option_spec (const char *name, const char *spec) |
7dd97ab6 | 5035 | { |
5036 | unsigned int i, value_count, value_len; | |
5037 | const char *p, *q, *value; | |
5038 | char *tmp_spec, *tmp_spec_p; | |
5039 | ||
5040 | if (configure_default_options[0].name == NULL) | |
5041 | return; | |
5042 | ||
5043 | for (i = 0; i < ARRAY_SIZE (configure_default_options); i++) | |
5044 | if (strcmp (configure_default_options[i].name, name) == 0) | |
5045 | break; | |
5046 | if (i == ARRAY_SIZE (configure_default_options)) | |
5047 | return; | |
5048 | ||
5049 | value = configure_default_options[i].value; | |
5050 | value_len = strlen (value); | |
5051 | ||
5052 | /* Compute the size of the final spec. */ | |
5053 | value_count = 0; | |
5054 | p = spec; | |
5055 | while ((p = strstr (p, "%(VALUE)")) != NULL) | |
5056 | { | |
5057 | p ++; | |
5058 | value_count ++; | |
5059 | } | |
5060 | ||
5061 | /* Replace each %(VALUE) by the specified value. */ | |
25a1c410 | 5062 | tmp_spec = (char *) alloca (strlen (spec) + 1 |
7dd97ab6 | 5063 | + value_count * (value_len - strlen ("%(VALUE)"))); |
5064 | tmp_spec_p = tmp_spec; | |
5065 | q = spec; | |
5066 | while ((p = strstr (q, "%(VALUE)")) != NULL) | |
5067 | { | |
5068 | memcpy (tmp_spec_p, q, p - q); | |
5069 | tmp_spec_p = tmp_spec_p + (p - q); | |
5070 | memcpy (tmp_spec_p, value, value_len); | |
5071 | tmp_spec_p += value_len; | |
5072 | q = p + strlen ("%(VALUE)"); | |
5073 | } | |
5074 | strcpy (tmp_spec_p, q); | |
5075 | ||
5076 | do_self_spec (tmp_spec); | |
5077 | } | |
5078 | ||
73023f49 | 5079 | /* Process the given spec string and add any new options to the end |
5080 | of the switches/n_switches array. */ | |
5081 | ||
5082 | static void | |
952f0048 | 5083 | do_self_spec (const char *spec) |
73023f49 | 5084 | { |
87a6a1b5 | 5085 | int i; |
5086 | ||
c834ef92 | 5087 | do_spec_2 (spec, NULL); |
73023f49 | 5088 | do_spec_1 (" ", 0, NULL); |
5089 | ||
87a6a1b5 | 5090 | /* Mark %<S switches processed by do_self_spec to be ignored permanently. |
5091 | do_self_specs adds the replacements to switches array, so it shouldn't | |
5092 | be processed afterwards. */ | |
5093 | for (i = 0; i < n_switches; i++) | |
5094 | if ((switches[i].live_cond & SWITCH_IGNORE)) | |
5095 | switches[i].live_cond |= SWITCH_IGNORE_PERMANENTLY; | |
5096 | ||
f1f41a6c | 5097 | if (argbuf.length () > 0) |
73023f49 | 5098 | { |
4ff887c5 | 5099 | const char **argbuf_copy; |
5100 | struct cl_decoded_option *decoded_options; | |
5101 | struct cl_option_handlers handlers; | |
5102 | unsigned int decoded_options_count; | |
5103 | unsigned int j; | |
73023f49 | 5104 | |
4ff887c5 | 5105 | /* Create a copy of argbuf with a dummy argv[0] entry for |
5106 | decode_cmdline_options_to_array. */ | |
9d9edc85 | 5107 | argbuf_copy = XNEWVEC (const char *, |
f1f41a6c | 5108 | argbuf.length () + 1); |
4ff887c5 | 5109 | argbuf_copy[0] = ""; |
f1f41a6c | 5110 | memcpy (argbuf_copy + 1, argbuf.address (), |
5111 | argbuf.length () * sizeof (const char *)); | |
73023f49 | 5112 | |
f1f41a6c | 5113 | decode_cmdline_options_to_array (argbuf.length () + 1, |
9d9edc85 | 5114 | argbuf_copy, |
4ff887c5 | 5115 | CL_DRIVER, &decoded_options, |
5116 | &decoded_options_count); | |
ce0fdb91 | 5117 | free (argbuf_copy); |
71278019 | 5118 | |
4ff887c5 | 5119 | set_option_handlers (&handlers); |
71278019 | 5120 | |
4ff887c5 | 5121 | for (j = 1; j < decoded_options_count; j++) |
5122 | { | |
5123 | switch (decoded_options[j].opt_index) | |
71278019 | 5124 | { |
4ff887c5 | 5125 | case OPT_SPECIAL_input_file: |
5126 | /* Specs should only generate options, not input | |
5127 | files. */ | |
5128 | if (strcmp (decoded_options[j].arg, "-") != 0) | |
c05be867 | 5129 | fatal_error (input_location, |
5130 | "switch %qs does not start with %<-%>", | |
4ff887c5 | 5131 | decoded_options[j].arg); |
5132 | else | |
c05be867 | 5133 | fatal_error (input_location, |
5134 | "spec-generated switch is just %<-%>"); | |
4ff887c5 | 5135 | break; |
71278019 | 5136 | |
4ff887c5 | 5137 | case OPT_fcompare_debug_second: |
5138 | case OPT_fcompare_debug: | |
5139 | case OPT_fcompare_debug_: | |
5140 | case OPT_o: | |
5141 | /* Avoid duplicate processing of some options from | |
5142 | compare-debug specs; just save them here. */ | |
5143 | save_switch (decoded_options[j].canonical_option[0], | |
5144 | (decoded_options[j].canonical_option_num_elements | |
5145 | - 1), | |
556cfe53 | 5146 | &decoded_options[j].canonical_option[1], false, true); |
4ff887c5 | 5147 | break; |
5148 | ||
5149 | default: | |
5150 | read_cmdline_option (&global_options, &global_options_set, | |
3c6c0e40 | 5151 | decoded_options + j, UNKNOWN_LOCATION, |
5152 | CL_DRIVER, &handlers, global_dc); | |
4ff887c5 | 5153 | break; |
71278019 | 5154 | } |
73023f49 | 5155 | } |
71278019 | 5156 | |
cbbb2345 | 5157 | free (decoded_options); |
5158 | ||
4ff887c5 | 5159 | alloc_switch (); |
71278019 | 5160 | switches[n_switches].part1 = 0; |
73023f49 | 5161 | } |
5162 | } | |
5163 | ||
067277c3 | 5164 | /* Callback for processing %D and %I specs. */ |
5165 | ||
5166 | struct spec_path_info { | |
5167 | const char *option; | |
5168 | const char *append; | |
5169 | size_t append_len; | |
5170 | bool omit_relative; | |
5171 | bool separate_options; | |
5172 | }; | |
5173 | ||
5174 | static void * | |
5175 | spec_path (char *path, void *data) | |
42bbc7e6 | 5176 | { |
25a1c410 | 5177 | struct spec_path_info *info = (struct spec_path_info *) data; |
067277c3 | 5178 | size_t len = 0; |
5179 | char save = 0; | |
42bbc7e6 | 5180 | |
067277c3 | 5181 | if (info->omit_relative && !IS_ABSOLUTE_PATH (path)) |
5182 | return NULL; | |
5183 | ||
5184 | if (info->append_len != 0) | |
42bbc7e6 | 5185 | { |
067277c3 | 5186 | len = strlen (path); |
5187 | memcpy (path + len, info->append, info->append_len + 1); | |
42bbc7e6 | 5188 | } |
5189 | ||
067277c3 | 5190 | if (!is_directory (path, true)) |
5191 | return NULL; | |
42bbc7e6 | 5192 | |
067277c3 | 5193 | do_spec_1 (info->option, 1, NULL); |
5194 | if (info->separate_options) | |
5195 | do_spec_1 (" ", 0, NULL); | |
5196 | ||
5197 | if (info->append_len == 0) | |
42bbc7e6 | 5198 | { |
067277c3 | 5199 | len = strlen (path); |
5200 | save = path[len - 1]; | |
5201 | if (IS_DIR_SEPARATOR (path[len - 1])) | |
5202 | path[len - 1] = '\0'; | |
42bbc7e6 | 5203 | } |
067277c3 | 5204 | |
5205 | do_spec_1 (path, 1, NULL); | |
5206 | do_spec_1 (" ", 0, NULL); | |
5207 | ||
5208 | /* Must not damage the original path. */ | |
5209 | if (info->append_len == 0) | |
5210 | path[len - 1] = save; | |
5211 | ||
5212 | return NULL; | |
42bbc7e6 | 5213 | } |
5214 | ||
46782931 | 5215 | /* True if we should compile INFILE. */ |
5216 | ||
5217 | static bool | |
5218 | compile_input_file_p (struct infile *infile) | |
5219 | { | |
5220 | if ((!infile->language) || (infile->language[0] != '*')) | |
5221 | if (infile->incompiler == input_file_compiler) | |
5222 | return true; | |
5223 | return false; | |
5224 | } | |
5225 | ||
74c33122 | 5226 | /* Process each member of VEC as a spec. */ |
5227 | ||
5228 | static void | |
f1f41a6c | 5229 | do_specs_vec (vec<char_p> vec) |
74c33122 | 5230 | { |
5231 | unsigned ix; | |
5232 | char *opt; | |
5233 | ||
f1f41a6c | 5234 | FOR_EACH_VEC_ELT (vec, ix, opt) |
74c33122 | 5235 | { |
5236 | do_spec_1 (opt, 1, NULL); | |
5237 | /* Make each accumulated option a separate argument. */ | |
5238 | do_spec_1 (" ", 0, NULL); | |
5239 | } | |
5240 | } | |
5241 | ||
d7a9644e | 5242 | /* Process the sub-spec SPEC as a portion of a larger spec. |
5243 | This is like processing a whole spec except that we do | |
5244 | not initialize at the beginning and we do not supply a | |
5245 | newline by default at the end. | |
5246 | INSWITCH nonzero means don't process %-sequences in SPEC; | |
5247 | in this case, % is treated as an ordinary character. | |
5248 | This is used while substituting switches. | |
5249 | INSWITCH nonzero also causes SPC not to terminate an argument. | |
5250 | ||
5251 | Value is zero unless a line was finished | |
5252 | and the command on that line reported an error. */ | |
5253 | ||
5254 | static int | |
952f0048 | 5255 | do_spec_1 (const char *spec, int inswitch, const char *soft_matched_part) |
d7a9644e | 5256 | { |
19cb6b50 | 5257 | const char *p = spec; |
5258 | int c; | |
d7a9644e | 5259 | int i; |
fd8c18f0 | 5260 | int value; |
d7a9644e | 5261 | |
fde5bd5c | 5262 | /* If it's an empty string argument to a switch, keep it as is. */ |
5263 | if (inswitch && !*p) | |
5264 | arg_going = 1; | |
5265 | ||
00e598e3 | 5266 | while ((c = *p++)) |
d7a9644e | 5267 | /* If substituting a switch, treat all chars like letters. |
5268 | Otherwise, NL, SPC, TAB and % are special. */ | |
5269 | switch (inswitch ? 'a' : c) | |
5270 | { | |
5271 | case '\n': | |
558cc3be | 5272 | end_going_arg (); |
d7a9644e | 5273 | |
f1f41a6c | 5274 | if (argbuf.length () > 0 |
5275 | && !strcmp (argbuf.last (), "|")) | |
d7a9644e | 5276 | { |
d7a9644e | 5277 | /* A `|' before the newline means use a pipe here, |
5278 | but only if -pipe was specified. | |
5279 | Otherwise, execute now and don't pass the `|' as an arg. */ | |
805e22b2 | 5280 | if (use_pipes) |
d7a9644e | 5281 | { |
f90016ef | 5282 | input_from_pipe = 1; |
d7a9644e | 5283 | break; |
5284 | } | |
5285 | else | |
f1f41a6c | 5286 | argbuf.pop (); |
d7a9644e | 5287 | } |
5288 | ||
32d661fc | 5289 | set_collect_gcc_options (); |
5290 | ||
f1f41a6c | 5291 | if (argbuf.length () > 0) |
d7a9644e | 5292 | { |
fd8c18f0 | 5293 | value = execute (); |
d7a9644e | 5294 | if (value) |
5295 | return value; | |
5296 | } | |
5297 | /* Reinitialize for a new command, and for a new argument. */ | |
5298 | clear_args (); | |
5299 | arg_going = 0; | |
5300 | delete_this_arg = 0; | |
5301 | this_is_output_file = 0; | |
5302 | this_is_library_file = 0; | |
d7ee9e9b | 5303 | this_is_linker_script = 0; |
f90016ef | 5304 | input_from_pipe = 0; |
d7a9644e | 5305 | break; |
5306 | ||
5307 | case '|': | |
558cc3be | 5308 | end_going_arg (); |
d7a9644e | 5309 | |
5310 | /* Use pipe */ | |
5311 | obstack_1grow (&obstack, c); | |
5312 | arg_going = 1; | |
5313 | break; | |
5314 | ||
5315 | case '\t': | |
5316 | case ' ': | |
558cc3be | 5317 | end_going_arg (); |
5318 | ||
d7a9644e | 5319 | /* Reinitialize for a new argument. */ |
d7a9644e | 5320 | delete_this_arg = 0; |
5321 | this_is_output_file = 0; | |
5322 | this_is_library_file = 0; | |
d7ee9e9b | 5323 | this_is_linker_script = 0; |
d7a9644e | 5324 | break; |
5325 | ||
5326 | case '%': | |
5327 | switch (c = *p++) | |
5328 | { | |
5329 | case 0: | |
c05be867 | 5330 | fatal_error (input_location, "spec %qs invalid", spec); |
d7a9644e | 5331 | |
5332 | case 'b': | |
cc92bc82 | 5333 | if (save_temps_length) |
5334 | obstack_grow (&obstack, save_temps_prefix, save_temps_length); | |
5335 | else | |
5336 | obstack_grow (&obstack, input_basename, basename_length); | |
71278019 | 5337 | if (compare_debug < 0) |
5338 | obstack_grow (&obstack, ".gk", 3); | |
d7a9644e | 5339 | arg_going = 1; |
5340 | break; | |
5341 | ||
1cf79a1a | 5342 | case 'B': |
cc92bc82 | 5343 | if (save_temps_length) |
5344 | obstack_grow (&obstack, save_temps_prefix, save_temps_length); | |
5345 | else | |
5346 | obstack_grow (&obstack, input_basename, suffixed_basename_length); | |
71278019 | 5347 | if (compare_debug < 0) |
5348 | obstack_grow (&obstack, ".gk", 3); | |
1cf79a1a | 5349 | arg_going = 1; |
5350 | break; | |
5351 | ||
d7a9644e | 5352 | case 'd': |
5353 | delete_this_arg = 2; | |
5354 | break; | |
5355 | ||
5356 | /* Dump out the directories specified with LIBRARY_PATH, | |
a45072dd | 5357 | followed by the absolute directories |
5358 | that we search for startfiles. */ | |
d7a9644e | 5359 | case 'D': |
466996dd | 5360 | { |
067277c3 | 5361 | struct spec_path_info info; |
9942f943 | 5362 | |
067277c3 | 5363 | info.option = "-L"; |
5364 | info.append_len = 0; | |
42bbc7e6 | 5365 | #ifdef RELATIVE_PREFIX_NOT_LINKDIR |
067277c3 | 5366 | /* Used on systems which record the specified -L dirs |
5367 | and use them to search for dynamic linking. | |
5368 | Relative directories always come from -B, | |
5369 | and it is better not to use them for searching | |
5370 | at run time. In particular, stage1 loses. */ | |
5371 | info.omit_relative = true; | |
42bbc7e6 | 5372 | #else |
067277c3 | 5373 | info.omit_relative = false; |
a45072dd | 5374 | #endif |
067277c3 | 5375 | info.separate_options = false; |
5376 | ||
5377 | for_each_path (&startfile_prefixes, true, 0, spec_path, &info); | |
466996dd | 5378 | } |
d7a9644e | 5379 | break; |
5380 | ||
5381 | case 'e': | |
be2828ce | 5382 | /* %efoo means report an error with `foo' as error message |
d7a9644e | 5383 | and don't execute any more commands for this file. */ |
5384 | { | |
e40d43cc | 5385 | const char *q = p; |
d7a9644e | 5386 | char *buf; |
026f2c7a | 5387 | while (*p != 0 && *p != '\n') |
5388 | p++; | |
25a1c410 | 5389 | buf = (char *) alloca (p - q + 1); |
d7a9644e | 5390 | strncpy (buf, q, p - q); |
5391 | buf[p - q] = 0; | |
5a3530cb | 5392 | error ("%s", _(buf)); |
d7a9644e | 5393 | return -1; |
5394 | } | |
5395 | break; | |
90286764 | 5396 | case 'n': |
edc2a478 | 5397 | /* %nfoo means report a notice with `foo' on stderr. */ |
90286764 | 5398 | { |
5399 | const char *q = p; | |
5400 | char *buf; | |
5401 | while (*p != 0 && *p != '\n') | |
5402 | p++; | |
25a1c410 | 5403 | buf = (char *) alloca (p - q + 1); |
90286764 | 5404 | strncpy (buf, q, p - q); |
5405 | buf[p - q] = 0; | |
3b6578b3 | 5406 | inform (UNKNOWN_LOCATION, "%s", _(buf)); |
90286764 | 5407 | if (*p) |
5408 | p++; | |
5409 | } | |
5410 | break; | |
d7a9644e | 5411 | |
026f2c7a | 5412 | case 'j': |
5413 | { | |
5414 | struct stat st; | |
5415 | ||
805e22b2 | 5416 | /* If save_temps_flag is off, and the HOST_BIT_BUCKET is |
5417 | defined, and it is not a directory, and it is | |
5418 | writable, use it. Otherwise, treat this like any | |
5419 | other temporary file. */ | |
026f2c7a | 5420 | |
5421 | if ((!save_temps_flag) | |
5422 | && (stat (HOST_BIT_BUCKET, &st) == 0) && (!S_ISDIR (st.st_mode)) | |
5423 | && (access (HOST_BIT_BUCKET, W_OK) == 0)) | |
5424 | { | |
5425 | obstack_grow (&obstack, HOST_BIT_BUCKET, | |
5426 | strlen (HOST_BIT_BUCKET)); | |
5427 | delete_this_arg = 0; | |
5428 | arg_going = 1; | |
5429 | break; | |
5430 | } | |
5431 | } | |
805e22b2 | 5432 | goto create_temp_file; |
5433 | case '|': | |
5434 | if (use_pipes) | |
5435 | { | |
5436 | obstack_1grow (&obstack, '-'); | |
5437 | delete_this_arg = 0; | |
5438 | arg_going = 1; | |
5439 | ||
5440 | /* consume suffix */ | |
b78b6a05 | 5441 | while (*p == '.' || ISALNUM ((unsigned char) *p)) |
805e22b2 | 5442 | p++; |
5443 | if (p[0] == '%' && p[1] == 'O') | |
5444 | p += 2; | |
952f0048 | 5445 | |
805e22b2 | 5446 | break; |
5447 | } | |
5448 | goto create_temp_file; | |
5449 | case 'm': | |
5450 | if (use_pipes) | |
5451 | { | |
5452 | /* consume suffix */ | |
b78b6a05 | 5453 | while (*p == '.' || ISALNUM ((unsigned char) *p)) |
805e22b2 | 5454 | p++; |
5455 | if (p[0] == '%' && p[1] == 'O') | |
5456 | p += 2; | |
952f0048 | 5457 | |
805e22b2 | 5458 | break; |
5459 | } | |
5460 | goto create_temp_file; | |
d7a9644e | 5461 | case 'g': |
5ee0d826 | 5462 | case 'u': |
e70085f9 | 5463 | case 'U': |
805e22b2 | 5464 | create_temp_file: |
d7a9644e | 5465 | { |
4576c73f | 5466 | struct temp_name *t; |
c78c5ee7 | 5467 | int suffix_length; |
e40d43cc | 5468 | const char *suffix = p; |
2c2aaf10 | 5469 | char *saved_suffix = NULL; |
c78c5ee7 | 5470 | |
b78b6a05 | 5471 | while (*p == '.' || ISALNUM ((unsigned char) *p)) |
2c2aaf10 | 5472 | p++; |
5473 | suffix_length = p - suffix; | |
c78c5ee7 | 5474 | if (p[0] == '%' && p[1] == 'O') |
5475 | { | |
97c9de01 | 5476 | p += 2; |
c78c5ee7 | 5477 | /* We don't support extra suffix characters after %O. */ |
b78b6a05 | 5478 | if (*p == '.' || ISALNUM ((unsigned char) *p)) |
c05be867 | 5479 | fatal_error (input_location, |
5480 | "spec %qs has invalid %<%%0%c%>", spec, *p); | |
2c2aaf10 | 5481 | if (suffix_length == 0) |
10f57222 | 5482 | suffix = TARGET_OBJECT_SUFFIX; |
2c2aaf10 | 5483 | else |
5484 | { | |
5485 | saved_suffix | |
4c36ffe6 | 5486 | = XNEWVEC (char, suffix_length |
fcca7644 | 5487 | + strlen (TARGET_OBJECT_SUFFIX) + 1); |
2c2aaf10 | 5488 | strncpy (saved_suffix, suffix, suffix_length); |
5489 | strcpy (saved_suffix + suffix_length, | |
10f57222 | 5490 | TARGET_OBJECT_SUFFIX); |
2c2aaf10 | 5491 | } |
10f57222 | 5492 | suffix_length += strlen (TARGET_OBJECT_SUFFIX); |
c78c5ee7 | 5493 | } |
3cfec666 | 5494 | |
71278019 | 5495 | if (compare_debug < 0) |
5496 | { | |
5497 | suffix = concat (".gk", suffix, NULL); | |
5498 | suffix_length += 3; | |
5499 | } | |
5500 | ||
cc92bc82 | 5501 | /* If -save-temps=obj and -o were specified, use that for the |
5502 | temp file. */ | |
5503 | if (save_temps_length) | |
5504 | { | |
5505 | char *tmp; | |
5506 | temp_filename_length | |
5507 | = save_temps_length + suffix_length + 1; | |
5508 | tmp = (char *) alloca (temp_filename_length); | |
5509 | memcpy (tmp, save_temps_prefix, save_temps_length); | |
5510 | memcpy (tmp + save_temps_length, suffix, suffix_length); | |
5511 | tmp[save_temps_length + suffix_length] = '\0'; | |
ce0fdb91 | 5512 | temp_filename = save_string (tmp, save_temps_length |
5513 | + suffix_length); | |
cc92bc82 | 5514 | obstack_grow (&obstack, temp_filename, |
5515 | temp_filename_length); | |
5516 | arg_going = 1; | |
5517 | delete_this_arg = 0; | |
5518 | break; | |
5519 | } | |
5520 | ||
460b8bb3 | 5521 | /* If the gcc_input_filename has the same suffix specified |
74e4079a | 5522 | for the %g, %u, or %U, and -save-temps is specified, |
5523 | we could end up using that file as an intermediate | |
5524 | thus clobbering the user's source file (.e.g., | |
5525 | gcc -save-temps foo.s would clobber foo.s with the | |
5526 | output of cpp0). So check for this condition and | |
5527 | generate a temp file as the intermediate. */ | |
3cfec666 | 5528 | |
74e4079a | 5529 | if (save_temps_flag) |
5530 | { | |
5d1b319b | 5531 | char *tmp; |
cc92bc82 | 5532 | temp_filename_length = basename_length + suffix_length + 1; |
5533 | tmp = (char *) alloca (temp_filename_length); | |
5534 | memcpy (tmp, input_basename, basename_length); | |
5535 | memcpy (tmp + basename_length, suffix, suffix_length); | |
5536 | tmp[basename_length + suffix_length] = '\0'; | |
5d1b319b | 5537 | temp_filename = tmp; |
cc92bc82 | 5538 | |
82715bcd | 5539 | if (filename_cmp (temp_filename, gcc_input_filename) != 0) |
74e4079a | 5540 | { |
030ec15c | 5541 | #ifndef HOST_LACKS_INODE_NUMBERS |
952f0048 | 5542 | struct stat st_temp; |
3cfec666 | 5543 | |
952f0048 | 5544 | /* Note, set_input() resets input_stat_set to 0. */ |
5545 | if (input_stat_set == 0) | |
5546 | { | |
460b8bb3 | 5547 | input_stat_set = stat (gcc_input_filename, |
5548 | &input_stat); | |
952f0048 | 5549 | if (input_stat_set >= 0) |
5550 | input_stat_set = 1; | |
5551 | } | |
3cfec666 | 5552 | |
460b8bb3 | 5553 | /* If we have the stat for the gcc_input_filename |
952f0048 | 5554 | and we can do the stat for the temp_filename |
5555 | then the they could still refer to the same | |
5556 | file if st_dev/st_ino's are the same. */ | |
74e4079a | 5557 | if (input_stat_set != 1 |
5558 | || stat (temp_filename, &st_temp) < 0 | |
5559 | || input_stat.st_dev != st_temp.st_dev | |
5560 | || input_stat.st_ino != st_temp.st_ino) | |
030ec15c | 5561 | #else |
5562 | /* Just compare canonical pathnames. */ | |
460b8bb3 | 5563 | char* input_realname = lrealpath (gcc_input_filename); |
030ec15c | 5564 | char* temp_realname = lrealpath (temp_filename); |
82715bcd | 5565 | bool files_differ = filename_cmp (input_realname, temp_realname); |
030ec15c | 5566 | free (input_realname); |
5567 | free (temp_realname); | |
2f2c6aee | 5568 | if (files_differ) |
030ec15c | 5569 | #endif |
3cfec666 | 5570 | { |
b3532bc1 | 5571 | temp_filename |
5572 | = save_string (temp_filename, | |
5573 | temp_filename_length - 1); | |
74e4079a | 5574 | obstack_grow (&obstack, temp_filename, |
952f0048 | 5575 | temp_filename_length); |
74e4079a | 5576 | arg_going = 1; |
03b358c6 | 5577 | delete_this_arg = 0; |
74e4079a | 5578 | break; |
5579 | } | |
5580 | } | |
5581 | } | |
4576c73f | 5582 | |
5583 | /* See if we already have an association of %g/%u/%U and | |
5584 | suffix. */ | |
5585 | for (t = temp_names; t; t = t->next) | |
c78c5ee7 | 5586 | if (t->length == suffix_length |
5587 | && strncmp (t->suffix, suffix, suffix_length) == 0 | |
5f6af493 | 5588 | && t->unique == (c == 'u' || c == 'U' || c == 'j')) |
4576c73f | 5589 | break; |
5590 | ||
d362e897 | 5591 | /* Make a new association if needed. %u and %j |
5592 | require one. */ | |
655a58fa | 5593 | if (t == 0 || c == 'u' || c == 'j') |
4576c73f | 5594 | { |
5595 | if (t == 0) | |
5596 | { | |
25a1c410 | 5597 | t = XNEW (struct temp_name); |
4576c73f | 5598 | t->next = temp_names; |
5599 | temp_names = t; | |
5600 | } | |
c78c5ee7 | 5601 | t->length = suffix_length; |
d362e897 | 5602 | if (saved_suffix) |
5603 | { | |
5604 | t->suffix = saved_suffix; | |
5605 | saved_suffix = NULL; | |
5606 | } | |
5607 | else | |
5608 | t->suffix = save_string (suffix, suffix_length); | |
5f6af493 | 5609 | t->unique = (c == 'u' || c == 'U' || c == 'j'); |
c78c5ee7 | 5610 | temp_filename = make_temp_file (t->suffix); |
3441e5dd | 5611 | temp_filename_length = strlen (temp_filename); |
4576c73f | 5612 | t->filename = temp_filename; |
5613 | t->filename_length = temp_filename_length; | |
5614 | } | |
5615 | ||
dd045aee | 5616 | free (saved_suffix); |
2c2aaf10 | 5617 | |
4576c73f | 5618 | obstack_grow (&obstack, t->filename, t->filename_length); |
e2a5805f | 5619 | delete_this_arg = 1; |
d7a9644e | 5620 | } |
5621 | arg_going = 1; | |
5622 | break; | |
5623 | ||
5624 | case 'i': | |
40109983 | 5625 | if (combine_inputs) |
5626 | { | |
39bc186e | 5627 | /* We are going to expand `%i' into `@FILE', where FILE |
5628 | is a newly-created temporary filename. The filenames | |
5629 | that would usually be expanded in place of %o will be | |
5630 | written to the temporary file. */ | |
46782931 | 5631 | if (at_file_supplied) |
39bc186e | 5632 | open_at_file (); |
46782931 | 5633 | |
39bc186e | 5634 | for (i = 0; (int) i < n_infiles; i++) |
5635 | if (compile_input_file_p (&infiles[i])) | |
5636 | { | |
5637 | store_arg (infiles[i].name, 0, 0); | |
5638 | infiles[i].compiled = true; | |
5639 | } | |
5640 | ||
5641 | if (at_file_supplied) | |
5642 | close_at_file (); | |
40109983 | 5643 | } |
5644 | else | |
5645 | { | |
460b8bb3 | 5646 | obstack_grow (&obstack, gcc_input_filename, |
5647 | input_filename_length); | |
40109983 | 5648 | arg_going = 1; |
5649 | } | |
d7a9644e | 5650 | break; |
5651 | ||
bfef3e2f | 5652 | case 'I': |
524c2193 | 5653 | { |
067277c3 | 5654 | struct spec_path_info info; |
524c2193 | 5655 | |
72779020 | 5656 | if (multilib_dir) |
5657 | { | |
5658 | do_spec_1 ("-imultilib", 1, NULL); | |
5659 | /* Make this a separate argument. */ | |
5660 | do_spec_1 (" ", 0, NULL); | |
5661 | do_spec_1 (multilib_dir, 1, NULL); | |
5662 | do_spec_1 (" ", 0, NULL); | |
5663 | } | |
5664 | ||
77adc39e | 5665 | if (multiarch_dir) |
5666 | { | |
5667 | do_spec_1 ("-imultiarch", 1, NULL); | |
5668 | /* Make this a separate argument. */ | |
5669 | do_spec_1 (" ", 0, NULL); | |
5670 | do_spec_1 (multiarch_dir, 1, NULL); | |
5671 | do_spec_1 (" ", 0, NULL); | |
5672 | } | |
5673 | ||
524c2193 | 5674 | if (gcc_exec_prefix) |
5675 | { | |
d946ea19 | 5676 | do_spec_1 ("-iprefix", 1, NULL); |
524c2193 | 5677 | /* Make this a separate argument. */ |
d946ea19 | 5678 | do_spec_1 (" ", 0, NULL); |
5679 | do_spec_1 (gcc_exec_prefix, 1, NULL); | |
5680 | do_spec_1 (" ", 0, NULL); | |
524c2193 | 5681 | } |
5682 | ||
4ea70922 | 5683 | if (target_system_root_changed || |
5684 | (target_system_root && target_sysroot_hdrs_suffix)) | |
17acc97a | 5685 | { |
5686 | do_spec_1 ("-isysroot", 1, NULL); | |
5687 | /* Make this a separate argument. */ | |
5688 | do_spec_1 (" ", 0, NULL); | |
5689 | do_spec_1 (target_system_root, 1, NULL); | |
4ea70922 | 5690 | if (target_sysroot_hdrs_suffix) |
5691 | do_spec_1 (target_sysroot_hdrs_suffix, 1, NULL); | |
17acc97a | 5692 | do_spec_1 (" ", 0, NULL); |
5693 | } | |
5694 | ||
067277c3 | 5695 | info.option = "-isystem"; |
5696 | info.append = "include"; | |
5697 | info.append_len = strlen (info.append); | |
5698 | info.omit_relative = false; | |
5699 | info.separate_options = true; | |
5700 | ||
5701 | for_each_path (&include_prefixes, false, info.append_len, | |
5702 | spec_path, &info); | |
d3036f42 | 5703 | |
5704 | info.append = "include-fixed"; | |
6ea4242f | 5705 | if (*sysroot_hdrs_suffix_spec) |
5706 | info.append = concat (info.append, dir_separator_str, | |
5707 | multilib_dir, NULL); | |
d3036f42 | 5708 | info.append_len = strlen (info.append); |
5709 | for_each_path (&include_prefixes, false, info.append_len, | |
5710 | spec_path, &info); | |
524c2193 | 5711 | } |
bfef3e2f | 5712 | break; |
5713 | ||
d7a9644e | 5714 | case 'o': |
39bc186e | 5715 | /* We are going to expand `%o' into `@FILE', where FILE |
5716 | is a newly-created temporary filename. The filenames | |
5717 | that would usually be expanded in place of %o will be | |
5718 | written to the temporary file. */ | |
5719 | if (at_file_supplied) | |
5720 | open_at_file (); | |
5721 | ||
5722 | for (i = 0; i < n_infiles + lang_specific_extra_outfiles; i++) | |
5723 | if (outfiles[i]) | |
5724 | store_arg (outfiles[i], 0, 0); | |
5725 | ||
5726 | if (at_file_supplied) | |
5727 | close_at_file (); | |
5728 | break; | |
d7a9644e | 5729 | |
499a0933 | 5730 | case 'O': |
10f57222 | 5731 | obstack_grow (&obstack, TARGET_OBJECT_SUFFIX, strlen (TARGET_OBJECT_SUFFIX)); |
499a0933 | 5732 | arg_going = 1; |
5733 | break; | |
5734 | ||
d7a9644e | 5735 | case 's': |
5736 | this_is_library_file = 1; | |
5737 | break; | |
5738 | ||
d7ee9e9b | 5739 | case 'T': |
5740 | this_is_linker_script = 1; | |
5741 | break; | |
5742 | ||
573aba85 | 5743 | case 'V': |
5744 | outfiles[input_file_number] = NULL; | |
5745 | break; | |
5746 | ||
d7a9644e | 5747 | case 'w': |
5748 | this_is_output_file = 1; | |
5749 | break; | |
5750 | ||
5751 | case 'W': | |
5752 | { | |
f1f41a6c | 5753 | unsigned int cur_index = argbuf.length (); |
d7a9644e | 5754 | /* Handle the {...} following the %W. */ |
5755 | if (*p != '{') | |
c05be867 | 5756 | fatal_error (input_location, |
5757 | "spec %qs has invalid %<%%W%c%>", spec, *p); | |
d7a9644e | 5758 | p = handle_braces (p + 1); |
5759 | if (p == 0) | |
5760 | return -1; | |
558cc3be | 5761 | end_going_arg (); |
d7a9644e | 5762 | /* If any args were output, mark the last one for deletion |
5763 | on failure. */ | |
f1f41a6c | 5764 | if (argbuf.length () != cur_index) |
5765 | record_temp_file (argbuf.last (), 0, 1); | |
d7a9644e | 5766 | break; |
5767 | } | |
5768 | ||
39bc186e | 5769 | case '@': |
5770 | /* Handle the {...} following the %@. */ | |
5771 | if (*p != '{') | |
5772 | fatal_error (input_location, | |
5773 | "spec %qs has invalid %<%%@%c%>", spec, *p); | |
5774 | if (at_file_supplied) | |
5775 | open_at_file (); | |
5776 | p = handle_braces (p + 1); | |
5777 | if (at_file_supplied) | |
5778 | close_at_file (); | |
5779 | if (p == 0) | |
5780 | return -1; | |
5781 | break; | |
5782 | ||
d7a9644e | 5783 | /* %x{OPTION} records OPTION for %X to output. */ |
5784 | case 'x': | |
5785 | { | |
e40d43cc | 5786 | const char *p1 = p; |
d7a9644e | 5787 | char *string; |
74c33122 | 5788 | char *opt; |
5789 | unsigned ix; | |
d7a9644e | 5790 | |
5791 | /* Skip past the option value and make a copy. */ | |
5792 | if (*p != '{') | |
c05be867 | 5793 | fatal_error (input_location, |
5794 | "spec %qs has invalid %<%%x%c%>", spec, *p); | |
d7a9644e | 5795 | while (*p++ != '}') |
5796 | ; | |
5797 | string = save_string (p1 + 1, p - p1 - 2); | |
5798 | ||
5799 | /* See if we already recorded this option. */ | |
f1f41a6c | 5800 | FOR_EACH_VEC_ELT (linker_options, ix, opt) |
74c33122 | 5801 | if (! strcmp (string, opt)) |
d7a9644e | 5802 | { |
5803 | free (string); | |
5804 | return 0; | |
5805 | } | |
5806 | ||
5807 | /* This option is new; add it. */ | |
8ace789a | 5808 | add_linker_option (string, strlen (string)); |
ce0fdb91 | 5809 | free (string); |
d7a9644e | 5810 | } |
5811 | break; | |
5812 | ||
fcdc45aa | 5813 | /* Dump out the options accumulated previously using %x. */ |
d7a9644e | 5814 | case 'X': |
74c33122 | 5815 | do_specs_vec (linker_options); |
d7a9644e | 5816 | break; |
5817 | ||
69587571 | 5818 | /* Dump out the options accumulated previously using -Wa,. */ |
5819 | case 'Y': | |
74c33122 | 5820 | do_specs_vec (assembler_options); |
69587571 | 5821 | break; |
5822 | ||
391d9b6e | 5823 | /* Dump out the options accumulated previously using -Wp,. */ |
5824 | case 'Z': | |
74c33122 | 5825 | do_specs_vec (preprocessor_options); |
391d9b6e | 5826 | break; |
5827 | ||
d7a9644e | 5828 | /* Here are digits and numbers that just process |
5829 | a certain constant string as a spec. */ | |
5830 | ||
5831 | case '1': | |
d946ea19 | 5832 | value = do_spec_1 (cc1_spec, 0, NULL); |
fd8c18f0 | 5833 | if (value != 0) |
5834 | return value; | |
d7a9644e | 5835 | break; |
5836 | ||
5837 | case '2': | |
d946ea19 | 5838 | value = do_spec_1 (cc1plus_spec, 0, NULL); |
fd8c18f0 | 5839 | if (value != 0) |
5840 | return value; | |
d7a9644e | 5841 | break; |
5842 | ||
5843 | case 'a': | |
d946ea19 | 5844 | value = do_spec_1 (asm_spec, 0, NULL); |
fd8c18f0 | 5845 | if (value != 0) |
5846 | return value; | |
d7a9644e | 5847 | break; |
5848 | ||
5849 | case 'A': | |
d946ea19 | 5850 | value = do_spec_1 (asm_final_spec, 0, NULL); |
fd8c18f0 | 5851 | if (value != 0) |
5852 | return value; | |
d7a9644e | 5853 | break; |
5854 | ||
d7a9644e | 5855 | case 'C': |
96842e40 | 5856 | { |
0d95286f | 5857 | const char *const spec |
3cfec666 | 5858 | = (input_file_compiler->cpp_spec |
5859 | ? input_file_compiler->cpp_spec | |
96842e40 | 5860 | : cpp_spec); |
d946ea19 | 5861 | value = do_spec_1 (spec, 0, NULL); |
96842e40 | 5862 | if (value != 0) |
5863 | return value; | |
5864 | } | |
d7a9644e | 5865 | break; |
5866 | ||
5867 | case 'E': | |
d946ea19 | 5868 | value = do_spec_1 (endfile_spec, 0, NULL); |
fd8c18f0 | 5869 | if (value != 0) |
5870 | return value; | |
d7a9644e | 5871 | break; |
5872 | ||
5873 | case 'l': | |
d946ea19 | 5874 | value = do_spec_1 (link_spec, 0, NULL); |
fd8c18f0 | 5875 | if (value != 0) |
5876 | return value; | |
d7a9644e | 5877 | break; |
5878 | ||
5879 | case 'L': | |
d946ea19 | 5880 | value = do_spec_1 (lib_spec, 0, NULL); |
fd8c18f0 | 5881 | if (value != 0) |
5882 | return value; | |
d7a9644e | 5883 | break; |
5884 | ||
c93570ad | 5885 | case 'M': |
5886 | if (multilib_os_dir == NULL) | |
5887 | obstack_1grow (&obstack, '.'); | |
5888 | else | |
5889 | obstack_grow (&obstack, multilib_os_dir, | |
5890 | strlen (multilib_os_dir)); | |
5891 | break; | |
5892 | ||
b7c87ff2 | 5893 | case 'G': |
d946ea19 | 5894 | value = do_spec_1 (libgcc_spec, 0, NULL); |
b7c87ff2 | 5895 | if (value != 0) |
5896 | return value; | |
5897 | break; | |
5898 | ||
805e22b2 | 5899 | case 'R': |
5900 | /* We assume there is a directory | |
5901 | separator at the end of this string. */ | |
5902 | if (target_system_root) | |
952f0048 | 5903 | { |
5904 | obstack_grow (&obstack, target_system_root, | |
4ea70922 | 5905 | strlen (target_system_root)); |
5906 | if (target_sysroot_suffix) | |
952f0048 | 5907 | obstack_grow (&obstack, target_sysroot_suffix, |
4ea70922 | 5908 | strlen (target_sysroot_suffix)); |
5909 | } | |
805e22b2 | 5910 | break; |
5911 | ||
d7a9644e | 5912 | case 'S': |
d946ea19 | 5913 | value = do_spec_1 (startfile_spec, 0, NULL); |
fd8c18f0 | 5914 | if (value != 0) |
5915 | return value; | |
d7a9644e | 5916 | break; |
5917 | ||
5918 | /* Here we define characters other than letters and digits. */ | |
5919 | ||
5920 | case '{': | |
5921 | p = handle_braces (p); | |
5922 | if (p == 0) | |
5923 | return -1; | |
5924 | break; | |
5925 | ||
c21b3276 | 5926 | case ':': |
c834ef92 | 5927 | p = handle_spec_function (p, NULL, soft_matched_part); |
c21b3276 | 5928 | if (p == 0) |
5929 | return -1; | |
5930 | break; | |
5931 | ||
d7a9644e | 5932 | case '%': |
5933 | obstack_1grow (&obstack, '%'); | |
5934 | break; | |
5935 | ||
3cfec666 | 5936 | case '.': |
5937 | { | |
5938 | unsigned len = 0; | |
bdbd5352 | 5939 | |
3cfec666 | 5940 | while (p[len] && p[len] != ' ' && p[len] != '%') |
5941 | len++; | |
5942 | suffix_subst = save_string (p - 1, len + 1); | |
5943 | p += len; | |
5944 | } | |
bdbd5352 | 5945 | break; |
3cfec666 | 5946 | |
805e22b2 | 5947 | /* Henceforth ignore the option(s) matching the pattern |
5948 | after the %<. */ | |
5949 | case '<': | |
5c1421d7 | 5950 | case '>': |
805e22b2 | 5951 | { |
5952 | unsigned len = 0; | |
5953 | int have_wildcard = 0; | |
5954 | int i; | |
5c1421d7 | 5955 | int switch_option; |
5956 | ||
5957 | if (c == '>') | |
5958 | switch_option = SWITCH_IGNORE | SWITCH_KEEP_FOR_GCC; | |
5959 | else | |
5960 | switch_option = SWITCH_IGNORE; | |
805e22b2 | 5961 | |
5962 | while (p[len] && p[len] != ' ' && p[len] != '\t') | |
5963 | len++; | |
5964 | ||
5965 | if (p[len-1] == '*') | |
5966 | have_wildcard = 1; | |
5967 | ||
5968 | for (i = 0; i < n_switches; i++) | |
5969 | if (!strncmp (switches[i].part1, p, len - have_wildcard) | |
5970 | && (have_wildcard || switches[i].part1[len] == '\0')) | |
5971 | { | |
5c1421d7 | 5972 | switches[i].live_cond |= switch_option; |
556cfe53 | 5973 | /* User switch be validated from validate_all_switches. |
5974 | when the definition is seen from the spec file. | |
5975 | If not defined anywhere, will be rejected. */ | |
5976 | if (switches[i].known) | |
5977 | switches[i].validated = true; | |
805e22b2 | 5978 | } |
5979 | ||
5980 | p += len; | |
5981 | } | |
5982 | break; | |
5983 | ||
d7a9644e | 5984 | case '*': |
d4ea3b1f | 5985 | if (soft_matched_part) |
5986 | { | |
fde5bd5c | 5987 | if (soft_matched_part[0]) |
5988 | do_spec_1 (soft_matched_part, 1, NULL); | |
1d9ad37b | 5989 | /* Only insert a space after the substitution if it is at the |
5990 | end of the current sequence. So if: | |
5991 | ||
5992 | "%{foo=*:bar%*}%{foo=*:one%*two}" | |
5993 | ||
5994 | matches -foo=hello then it will produce: | |
5995 | ||
5996 | barhello onehellotwo | |
5997 | */ | |
5998 | if (*p == 0 || *p == '}') | |
5999 | do_spec_1 (" ", 0, NULL); | |
d4ea3b1f | 6000 | } |
6001 | else | |
6002 | /* Catch the case where a spec string contains something like | |
0c6d8c36 | 6003 | '%{foo:%*}'. i.e. there is no * in the pattern on the left |
d4ea3b1f | 6004 | hand side of the :. */ |
a8c464ac | 6005 | error ("spec failure: %<%%*%> has not been initialized by pattern match"); |
d7a9644e | 6006 | break; |
6007 | ||
6008 | /* Process a string found as the value of a spec given by name. | |
6009 | This feature allows individual machine descriptions | |
88483769 | 6010 | to add and use their own specs. */ |
d7a9644e | 6011 | case '(': |
d7a9644e | 6012 | { |
e40d43cc | 6013 | const char *name = p; |
d7a9644e | 6014 | struct spec_list *sl; |
6015 | int len; | |
6016 | ||
6017 | /* The string after the S/P is the name of a spec that is to be | |
a92771b8 | 6018 | processed. */ |
88483769 | 6019 | while (*p && *p != ')') |
d7a9644e | 6020 | p++; |
6021 | ||
d4ea3b1f | 6022 | /* See if it's in the list. */ |
d7a9644e | 6023 | for (len = p - name, sl = specs; sl; sl = sl->next) |
988c0ffe | 6024 | if (sl->name_len == len && !strncmp (sl->name, name, len)) |
d7a9644e | 6025 | { |
988c0ffe | 6026 | name = *(sl->ptr_spec); |
4582d741 | 6027 | #ifdef DEBUG_SPECS |
88483769 | 6028 | fnotice (stderr, "Processing spec (%s), which is '%s'\n", |
6029 | sl->name, name); | |
4582d741 | 6030 | #endif |
d7a9644e | 6031 | break; |
6032 | } | |
6033 | ||
6034 | if (sl) | |
6035 | { | |
88483769 | 6036 | value = do_spec_1 (name, 0, NULL); |
6037 | if (value != 0) | |
6038 | return value; | |
d7a9644e | 6039 | } |
8894538a | 6040 | |
88483769 | 6041 | /* Discard the closing paren. */ |
8894538a | 6042 | if (*p) |
6043 | p++; | |
d7a9644e | 6044 | } |
6045 | break; | |
6046 | ||
6047 | default: | |
a8c464ac | 6048 | error ("spec failure: unrecognized spec option %qc", c); |
d4ea3b1f | 6049 | break; |
d7a9644e | 6050 | } |
6051 | break; | |
6052 | ||
6053 | case '\\': | |
6054 | /* Backslash: treat next character as ordinary. */ | |
6055 | c = *p++; | |
6056 | ||
b4b174c3 | 6057 | /* Fall through. */ |
d7a9644e | 6058 | default: |
6059 | /* Ordinary character: put it into the current argument. */ | |
6060 | obstack_1grow (&obstack, c); | |
6061 | arg_going = 1; | |
6062 | } | |
6063 | ||
c21b3276 | 6064 | /* End of string. If we are processing a spec function, we need to |
6065 | end any pending argument. */ | |
558cc3be | 6066 | if (processing_spec_function) |
6067 | end_going_arg (); | |
c21b3276 | 6068 | |
026f2c7a | 6069 | return 0; |
d7a9644e | 6070 | } |
6071 | ||
c21b3276 | 6072 | /* Look up a spec function. */ |
6073 | ||
6074 | static const struct spec_function * | |
952f0048 | 6075 | lookup_spec_function (const char *name) |
c21b3276 | 6076 | { |
c21b3276 | 6077 | const struct spec_function *sf; |
c21b3276 | 6078 | |
0bb0fa6a | 6079 | for (sf = static_spec_functions; sf->name != NULL; sf++) |
6080 | if (strcmp (sf->name, name) == 0) | |
6081 | return sf; | |
c21b3276 | 6082 | |
6083 | return NULL; | |
6084 | } | |
6085 | ||
6086 | /* Evaluate a spec function. */ | |
6087 | ||
6088 | static const char * | |
c834ef92 | 6089 | eval_spec_function (const char *func, const char *args, |
6090 | const char *soft_matched_part) | |
c21b3276 | 6091 | { |
6092 | const struct spec_function *sf; | |
6093 | const char *funcval; | |
6094 | ||
6095 | /* Saved spec processing context. */ | |
f1f41a6c | 6096 | vec<const_char_p> save_argbuf; |
c21b3276 | 6097 | |
6098 | int save_arg_going; | |
6099 | int save_delete_this_arg; | |
6100 | int save_this_is_output_file; | |
6101 | int save_this_is_library_file; | |
6102 | int save_input_from_pipe; | |
d7ee9e9b | 6103 | int save_this_is_linker_script; |
c21b3276 | 6104 | const char *save_suffix_subst; |
6105 | ||
e2efe9af | 6106 | int save_growing_size; |
13858b08 | 6107 | void *save_growing_value = NULL; |
c21b3276 | 6108 | |
6109 | sf = lookup_spec_function (func); | |
6110 | if (sf == NULL) | |
c05be867 | 6111 | fatal_error (input_location, "unknown spec function %qs", func); |
c21b3276 | 6112 | |
6113 | /* Push the spec processing context. */ | |
c21b3276 | 6114 | save_argbuf = argbuf; |
6115 | ||
6116 | save_arg_going = arg_going; | |
6117 | save_delete_this_arg = delete_this_arg; | |
6118 | save_this_is_output_file = this_is_output_file; | |
6119 | save_this_is_library_file = this_is_library_file; | |
d7ee9e9b | 6120 | save_this_is_linker_script = this_is_linker_script; |
c21b3276 | 6121 | save_input_from_pipe = input_from_pipe; |
6122 | save_suffix_subst = suffix_subst; | |
6123 | ||
e2efe9af | 6124 | /* If we have some object growing now, finalize it so the args and function |
6125 | eval proceed from a cleared context. This is needed to prevent the first | |
6126 | constructed arg from mistakenly including the growing value. We'll push | |
6127 | this value back on the obstack once the function evaluation is done, to | |
6128 | restore a consistent processing context for our caller. This is fine as | |
6129 | the address of growing objects isn't guaranteed to remain stable until | |
6130 | they are finalized, and we expect this situation to be rare enough for | |
6131 | the extra copy not to be an issue. */ | |
6132 | save_growing_size = obstack_object_size (&obstack); | |
6133 | if (save_growing_size > 0) | |
6134 | save_growing_value = obstack_finish (&obstack); | |
6135 | ||
c21b3276 | 6136 | /* Create a new spec processing context, and build the function |
6137 | arguments. */ | |
6138 | ||
6139 | alloc_args (); | |
c834ef92 | 6140 | if (do_spec_2 (args, soft_matched_part) < 0) |
85b9be9b | 6141 | fatal_error (input_location, "error in arguments to spec function %qs", |
6142 | func); | |
c21b3276 | 6143 | |
6144 | /* argbuf_index is an index for the next argument to be inserted, and | |
6145 | so contains the count of the args already inserted. */ | |
6146 | ||
f1f41a6c | 6147 | funcval = (*sf->func) (argbuf.length (), |
6148 | argbuf.address ()); | |
c21b3276 | 6149 | |
6150 | /* Pop the spec processing context. */ | |
f1f41a6c | 6151 | argbuf.release (); |
c21b3276 | 6152 | argbuf = save_argbuf; |
6153 | ||
6154 | arg_going = save_arg_going; | |
6155 | delete_this_arg = save_delete_this_arg; | |
6156 | this_is_output_file = save_this_is_output_file; | |
6157 | this_is_library_file = save_this_is_library_file; | |
d7ee9e9b | 6158 | this_is_linker_script = save_this_is_linker_script; |
c21b3276 | 6159 | input_from_pipe = save_input_from_pipe; |
6160 | suffix_subst = save_suffix_subst; | |
6161 | ||
e2efe9af | 6162 | if (save_growing_size > 0) |
6163 | obstack_grow (&obstack, save_growing_value, save_growing_size); | |
6164 | ||
c21b3276 | 6165 | return funcval; |
6166 | } | |
6167 | ||
6168 | /* Handle a spec function call of the form: | |
6169 | ||
6170 | %:function(args) | |
6171 | ||
6172 | ARGS is processed as a spec in a separate context and split into an | |
6173 | argument vector in the normal fashion. The function returns a string | |
6174 | containing a spec which we then process in the caller's context, or | |
9e46467d | 6175 | NULL if no processing is required. |
6176 | ||
6177 | If RETVAL_NONNULL is not NULL, then store a bool whether function | |
c834ef92 | 6178 | returned non-NULL. |
6179 | ||
6180 | SOFT_MATCHED_PART holds the current value of a matched * pattern, which | |
6181 | may be re-expanded with a %* as part of the function arguments. */ | |
c21b3276 | 6182 | |
6183 | static const char * | |
c834ef92 | 6184 | handle_spec_function (const char *p, bool *retval_nonnull, |
6185 | const char *soft_matched_part) | |
c21b3276 | 6186 | { |
6187 | char *func, *args; | |
6188 | const char *endp, *funcval; | |
6189 | int count; | |
6190 | ||
6191 | processing_spec_function++; | |
6192 | ||
6193 | /* Get the function name. */ | |
6194 | for (endp = p; *endp != '\0'; endp++) | |
6195 | { | |
6196 | if (*endp == '(') /* ) */ | |
6197 | break; | |
6198 | /* Only allow [A-Za-z0-9], -, and _ in function names. */ | |
6199 | if (!ISALNUM (*endp) && !(*endp == '-' || *endp == '_')) | |
c05be867 | 6200 | fatal_error (input_location, "malformed spec function name"); |
c21b3276 | 6201 | } |
6202 | if (*endp != '(') /* ) */ | |
c05be867 | 6203 | fatal_error (input_location, "no arguments for spec function"); |
c21b3276 | 6204 | func = save_string (p, endp - p); |
6205 | p = ++endp; | |
6206 | ||
6207 | /* Get the arguments. */ | |
6208 | for (count = 0; *endp != '\0'; endp++) | |
6209 | { | |
6210 | /* ( */ | |
6211 | if (*endp == ')') | |
6212 | { | |
6213 | if (count == 0) | |
6214 | break; | |
6215 | count--; | |
6216 | } | |
6217 | else if (*endp == '(') /* ) */ | |
6218 | count++; | |
6219 | } | |
6220 | /* ( */ | |
6221 | if (*endp != ')') | |
c05be867 | 6222 | fatal_error (input_location, "malformed spec function arguments"); |
c21b3276 | 6223 | args = save_string (p, endp - p); |
6224 | p = ++endp; | |
6225 | ||
6226 | /* p now points to just past the end of the spec function expression. */ | |
6227 | ||
c834ef92 | 6228 | funcval = eval_spec_function (func, args, soft_matched_part); |
c21b3276 | 6229 | if (funcval != NULL && do_spec_1 (funcval, 0, NULL) < 0) |
6230 | p = NULL; | |
9e46467d | 6231 | if (retval_nonnull) |
6232 | *retval_nonnull = funcval != NULL; | |
c21b3276 | 6233 | |
6234 | free (func); | |
6235 | free (args); | |
6236 | ||
6237 | processing_spec_function--; | |
6238 | ||
6239 | return p; | |
6240 | } | |
6241 | ||
805e22b2 | 6242 | /* Inline subroutine of handle_braces. Returns true if the current |
6243 | input suffix matches the atom bracketed by ATOM and END_ATOM. */ | |
6244 | static inline bool | |
952f0048 | 6245 | input_suffix_matches (const char *atom, const char *end_atom) |
805e22b2 | 6246 | { |
6247 | return (input_suffix | |
6248 | && !strncmp (input_suffix, atom, end_atom - atom) | |
6249 | && input_suffix[end_atom - atom] == '\0'); | |
6250 | } | |
d7a9644e | 6251 | |
90e35d1a | 6252 | /* Subroutine of handle_braces. Returns true if the current |
6253 | input file's spec name matches the atom bracketed by ATOM and END_ATOM. */ | |
6254 | static bool | |
6255 | input_spec_matches (const char *atom, const char *end_atom) | |
6256 | { | |
6257 | return (input_file_compiler | |
6258 | && input_file_compiler->suffix | |
6259 | && input_file_compiler->suffix[0] != '\0' | |
6260 | && !strncmp (input_file_compiler->suffix + 1, atom, | |
6261 | end_atom - atom) | |
6262 | && input_file_compiler->suffix[end_atom - atom + 1] == '\0'); | |
6263 | } | |
6264 | ||
1e8e9920 | 6265 | /* Subroutine of handle_braces. Returns true if a switch |
805e22b2 | 6266 | matching the atom bracketed by ATOM and END_ATOM appeared on the |
6267 | command line. */ | |
1e8e9920 | 6268 | static bool |
952f0048 | 6269 | switch_matches (const char *atom, const char *end_atom, int starred) |
d7a9644e | 6270 | { |
805e22b2 | 6271 | int i; |
6272 | int len = end_atom - atom; | |
6273 | int plen = starred ? len : -1; | |
d7a9644e | 6274 | |
805e22b2 | 6275 | for (i = 0; i < n_switches; i++) |
6276 | if (!strncmp (switches[i].part1, atom, len) | |
6277 | && (starred || switches[i].part1[len] == '\0') | |
6278 | && check_live_switch (i, plen)) | |
6279 | return true; | |
4a10d696 | 6280 | |
cbe25b89 | 6281 | /* Check if a switch with separated form matching the atom. |
6282 | We check -D and -U switches. */ | |
6283 | else if (switches[i].args != 0) | |
6284 | { | |
6285 | if ((*switches[i].part1 == 'D' || *switches[i].part1 == 'U') | |
6286 | && *switches[i].part1 == atom[0]) | |
6287 | { | |
6288 | if (!strncmp (switches[i].args[0], &atom[1], len - 1) | |
6289 | && (starred || (switches[i].part1[1] == '\0' | |
6290 | && switches[i].args[0][len - 1] == '\0')) | |
6291 | && check_live_switch (i, (starred ? 1 : -1))) | |
6292 | return true; | |
6293 | } | |
6294 | } | |
6295 | ||
805e22b2 | 6296 | return false; |
6297 | } | |
d7a9644e | 6298 | |
805e22b2 | 6299 | /* Inline subroutine of handle_braces. Mark all of the switches which |
6300 | match ATOM (extends to END_ATOM; STARRED indicates whether there | |
6301 | was a star after the atom) for later processing. */ | |
6302 | static inline void | |
952f0048 | 6303 | mark_matching_switches (const char *atom, const char *end_atom, int starred) |
805e22b2 | 6304 | { |
6305 | int i; | |
6306 | int len = end_atom - atom; | |
6307 | int plen = starred ? len : -1; | |
6308 | ||
6309 | for (i = 0; i < n_switches; i++) | |
6310 | if (!strncmp (switches[i].part1, atom, len) | |
6311 | && (starred || switches[i].part1[len] == '\0') | |
6312 | && check_live_switch (i, plen)) | |
6313 | switches[i].ordering = 1; | |
6314 | } | |
ae70654c | 6315 | |
805e22b2 | 6316 | /* Inline subroutine of handle_braces. Process all the currently |
6317 | marked switches through give_switch, and clear the marks. */ | |
6318 | static inline void | |
952f0048 | 6319 | process_marked_switches (void) |
805e22b2 | 6320 | { |
6321 | int i; | |
d7a9644e | 6322 | |
805e22b2 | 6323 | for (i = 0; i < n_switches; i++) |
6324 | if (switches[i].ordering == 1) | |
6325 | { | |
6326 | switches[i].ordering = 0; | |
6327 | give_switch (i, 0); | |
6328 | } | |
6329 | } | |
d7a9644e | 6330 | |
805e22b2 | 6331 | /* Handle a %{ ... } construct. P points just inside the leading {. |
6332 | Returns a pointer one past the end of the brace block, or 0 | |
6333 | if we call do_spec_1 and that returns -1. */ | |
d7a9644e | 6334 | |
805e22b2 | 6335 | static const char * |
952f0048 | 6336 | handle_braces (const char *p) |
805e22b2 | 6337 | { |
6338 | const char *atom, *end_atom; | |
6339 | const char *d_atom = NULL, *d_end_atom = NULL; | |
5639fdcc | 6340 | char *esc_buf = NULL, *d_esc_buf = NULL; |
6341 | int esc; | |
5e8f3c31 | 6342 | const char *orig = p; |
4a10d696 | 6343 | |
805e22b2 | 6344 | bool a_is_suffix; |
90e35d1a | 6345 | bool a_is_spectype; |
805e22b2 | 6346 | bool a_is_starred; |
6347 | bool a_is_negated; | |
6348 | bool a_matched; | |
ae70654c | 6349 | |
805e22b2 | 6350 | bool a_must_be_last = false; |
6351 | bool ordered_set = false; | |
6352 | bool disjunct_set = false; | |
6353 | bool disj_matched = false; | |
6354 | bool disj_starred = true; | |
6355 | bool n_way_choice = false; | |
6356 | bool n_way_matched = false; | |
6357 | ||
6358 | #define SKIP_WHITE() do { while (*p == ' ' || *p == '\t') p++; } while (0) | |
ae70654c | 6359 | |
805e22b2 | 6360 | do |
d7a9644e | 6361 | { |
805e22b2 | 6362 | if (a_must_be_last) |
5e8f3c31 | 6363 | goto invalid; |
ae70654c | 6364 | |
805e22b2 | 6365 | /* Scan one "atom" (S in the description above of %{}, possibly |
90e35d1a | 6366 | with '!', '.', '@', ',', or '*' modifiers). */ |
6367 | a_matched = false; | |
6368 | a_is_suffix = false; | |
6369 | a_is_starred = false; | |
6370 | a_is_negated = false; | |
6371 | a_is_spectype = false; | |
2c815aff | 6372 | |
9af5ce0c | 6373 | SKIP_WHITE (); |
805e22b2 | 6374 | if (*p == '!') |
6375 | p++, a_is_negated = true; | |
d7a9644e | 6376 | |
9af5ce0c | 6377 | SKIP_WHITE (); |
9e46467d | 6378 | if (*p == '%' && p[1] == ':') |
6379 | { | |
6380 | atom = NULL; | |
6381 | end_atom = NULL; | |
c834ef92 | 6382 | p = handle_spec_function (p + 2, &a_matched, NULL); |
9e46467d | 6383 | } |
6384 | else | |
6385 | { | |
6386 | if (*p == '.') | |
6387 | p++, a_is_suffix = true; | |
6388 | else if (*p == ',') | |
6389 | p++, a_is_spectype = true; | |
6390 | ||
6391 | atom = p; | |
5639fdcc | 6392 | esc = 0; |
9af5ce0c | 6393 | while (ISIDNUM (*p) || *p == '-' || *p == '+' || *p == '=' |
5639fdcc | 6394 | || *p == ',' || *p == '.' || *p == '@' || *p == '\\') |
6395 | { | |
6396 | if (*p == '\\') | |
6397 | { | |
6398 | p++; | |
6399 | if (!*p) | |
6400 | fatal_error (input_location, | |
6401 | "braced spec %qs ends in escape", orig); | |
6402 | esc++; | |
6403 | } | |
6404 | p++; | |
6405 | } | |
9e46467d | 6406 | end_atom = p; |
d7a9644e | 6407 | |
5639fdcc | 6408 | if (esc) |
6409 | { | |
6410 | const char *ap; | |
6411 | char *ep; | |
6412 | ||
6413 | if (esc_buf && esc_buf != d_esc_buf) | |
6414 | free (esc_buf); | |
6415 | esc_buf = NULL; | |
6416 | ep = esc_buf = (char *) xmalloc (end_atom - atom - esc + 1); | |
6417 | for (ap = atom; ap != end_atom; ap++, ep++) | |
6418 | { | |
6419 | if (*ap == '\\') | |
6420 | ap++; | |
6421 | *ep = *ap; | |
6422 | } | |
6423 | *ep = '\0'; | |
6424 | atom = esc_buf; | |
6425 | end_atom = ep; | |
6426 | } | |
6427 | ||
9e46467d | 6428 | if (*p == '*') |
6429 | p++, a_is_starred = 1; | |
6430 | } | |
e1478c0f | 6431 | |
9af5ce0c | 6432 | SKIP_WHITE (); |
5e8f3c31 | 6433 | switch (*p) |
805e22b2 | 6434 | { |
5e8f3c31 | 6435 | case '&': case '}': |
805e22b2 | 6436 | /* Substitute the switch(es) indicated by the current atom. */ |
6437 | ordered_set = true; | |
6438 | if (disjunct_set || n_way_choice || a_is_negated || a_is_suffix | |
90e35d1a | 6439 | || a_is_spectype || atom == end_atom) |
5e8f3c31 | 6440 | goto invalid; |
d7a9644e | 6441 | |
805e22b2 | 6442 | mark_matching_switches (atom, end_atom, a_is_starred); |
6443 | ||
6444 | if (*p == '}') | |
6445 | process_marked_switches (); | |
5e8f3c31 | 6446 | break; |
6447 | ||
6448 | case '|': case ':': | |
805e22b2 | 6449 | /* Substitute some text if the current atom appears as a switch |
6450 | or suffix. */ | |
6451 | disjunct_set = true; | |
6452 | if (ordered_set) | |
5e8f3c31 | 6453 | goto invalid; |
d7a9644e | 6454 | |
9e46467d | 6455 | if (atom && atom == end_atom) |
d7a9644e | 6456 | { |
805e22b2 | 6457 | if (!n_way_choice || disj_matched || *p == '|' |
48e1416a | 6458 | || a_is_negated || a_is_suffix || a_is_spectype |
90e35d1a | 6459 | || a_is_starred) |
5e8f3c31 | 6460 | goto invalid; |
805e22b2 | 6461 | |
6462 | /* An empty term may appear as the last choice of an | |
6463 | N-way choice set; it means "otherwise". */ | |
6464 | a_must_be_last = true; | |
6465 | disj_matched = !n_way_matched; | |
6466 | disj_starred = false; | |
d7a9644e | 6467 | } |
805e22b2 | 6468 | else |
d7a9644e | 6469 | { |
90e35d1a | 6470 | if ((a_is_suffix || a_is_spectype) && a_is_starred) |
6471 | goto invalid; | |
d7ee9e9b | 6472 | |
90e35d1a | 6473 | if (!a_is_starred) |
6474 | disj_starred = false; | |
6475 | ||
6476 | /* Don't bother testing this atom if we already have a | |
6477 | match. */ | |
6478 | if (!disj_matched && !n_way_matched) | |
6479 | { | |
9e46467d | 6480 | if (atom == NULL) |
6481 | /* a_matched is already set by handle_spec_function. */; | |
6482 | else if (a_is_suffix) | |
90e35d1a | 6483 | a_matched = input_suffix_matches (atom, end_atom); |
6484 | else if (a_is_spectype) | |
6485 | a_matched = input_spec_matches (atom, end_atom); | |
6486 | else | |
6487 | a_matched = switch_matches (atom, end_atom, a_is_starred); | |
d7ee9e9b | 6488 | |
90e35d1a | 6489 | if (a_matched != a_is_negated) |
6490 | { | |
6491 | disj_matched = true; | |
6492 | d_atom = atom; | |
6493 | d_end_atom = end_atom; | |
5639fdcc | 6494 | d_esc_buf = esc_buf; |
90e35d1a | 6495 | } |
6496 | } | |
d7a9644e | 6497 | } |
d7a9644e | 6498 | |
805e22b2 | 6499 | if (*p == ':') |
d7a9644e | 6500 | { |
805e22b2 | 6501 | /* Found the body, that is, the text to substitute if the |
6502 | current disjunction matches. */ | |
6503 | p = process_brace_body (p + 1, d_atom, d_end_atom, disj_starred, | |
6504 | disj_matched && !n_way_matched); | |
6505 | if (p == 0) | |
5639fdcc | 6506 | goto done; |
d7a9644e | 6507 | |
805e22b2 | 6508 | /* If we have an N-way choice, reset state for the next |
6509 | disjunction. */ | |
6510 | if (*p == ';') | |
d7a9644e | 6511 | { |
805e22b2 | 6512 | n_way_choice = true; |
6513 | n_way_matched |= disj_matched; | |
6514 | disj_matched = false; | |
6515 | disj_starred = true; | |
6516 | d_atom = d_end_atom = NULL; | |
d7a9644e | 6517 | } |
6518 | } | |
5e8f3c31 | 6519 | break; |
6520 | ||
6521 | default: | |
6522 | goto invalid; | |
d7a9644e | 6523 | } |
805e22b2 | 6524 | } |
6525 | while (*p++ != '}'); | |
d7a9644e | 6526 | |
5639fdcc | 6527 | done: |
6528 | if (d_esc_buf && d_esc_buf != esc_buf) | |
6529 | free (d_esc_buf); | |
6530 | if (esc_buf) | |
6531 | free (esc_buf); | |
6532 | ||
805e22b2 | 6533 | return p; |
2f2c6aee | 6534 | |
5e8f3c31 | 6535 | invalid: |
c05be867 | 6536 | fatal_error (input_location, "braced spec %qs is invalid at %qc", orig, *p); |
2f2c6aee | 6537 | |
805e22b2 | 6538 | #undef SKIP_WHITE |
6539 | } | |
6540 | ||
6541 | /* Subroutine of handle_braces. Scan and process a brace substitution body | |
6542 | (X in the description of %{} syntax). P points one past the colon; | |
6543 | ATOM and END_ATOM bracket the first atom which was found to be true | |
6544 | (present) in the current disjunction; STARRED indicates whether all | |
6545 | the atoms in the current disjunction were starred (for syntax validation); | |
6546 | MATCHED indicates whether the disjunction matched or not, and therefore | |
6547 | whether or not the body is to be processed through do_spec_1 or just | |
6548 | skipped. Returns a pointer to the closing } or ;, or 0 if do_spec_1 | |
6549 | returns -1. */ | |
6550 | ||
6551 | static const char * | |
952f0048 | 6552 | process_brace_body (const char *p, const char *atom, const char *end_atom, |
6553 | int starred, int matched) | |
805e22b2 | 6554 | { |
6555 | const char *body, *end_body; | |
6556 | unsigned int nesting_level; | |
6557 | bool have_subst = false; | |
6558 | ||
6559 | /* Locate the closing } or ;, honoring nested braces. | |
6560 | Trim trailing whitespace. */ | |
6561 | body = p; | |
6562 | nesting_level = 1; | |
6563 | for (;;) | |
6564 | { | |
6565 | if (*p == '{') | |
6566 | nesting_level++; | |
6567 | else if (*p == '}') | |
d7a9644e | 6568 | { |
805e22b2 | 6569 | if (!--nesting_level) |
6570 | break; | |
d7a9644e | 6571 | } |
805e22b2 | 6572 | else if (*p == ';' && nesting_level == 1) |
6573 | break; | |
6574 | else if (*p == '%' && p[1] == '*' && nesting_level == 1) | |
6575 | have_subst = true; | |
6576 | else if (*p == '\0') | |
5e8f3c31 | 6577 | goto invalid; |
805e22b2 | 6578 | p++; |
d7a9644e | 6579 | } |
952f0048 | 6580 | |
805e22b2 | 6581 | end_body = p; |
6582 | while (end_body[-1] == ' ' || end_body[-1] == '\t') | |
6583 | end_body--; | |
d7a9644e | 6584 | |
805e22b2 | 6585 | if (have_subst && !starred) |
5e8f3c31 | 6586 | goto invalid; |
ae70654c | 6587 | |
805e22b2 | 6588 | if (matched) |
e1478c0f | 6589 | { |
805e22b2 | 6590 | /* Copy the substitution body to permanent storage and execute it. |
6591 | If have_subst is false, this is a simple matter of running the | |
6592 | body through do_spec_1... */ | |
6593 | char *string = save_string (body, end_body - body); | |
6594 | if (!have_subst) | |
6595 | { | |
6596 | if (do_spec_1 (string, 0, NULL) < 0) | |
26a4a13d | 6597 | { |
6598 | free (string); | |
6599 | return 0; | |
6600 | } | |
805e22b2 | 6601 | } |
6602 | else | |
6603 | { | |
6604 | /* ... but if have_subst is true, we have to process the | |
6605 | body once for each matching switch, with %* set to the | |
6606 | variant part of the switch. */ | |
6607 | unsigned int hard_match_len = end_atom - atom; | |
6608 | int i; | |
e1478c0f | 6609 | |
805e22b2 | 6610 | for (i = 0; i < n_switches; i++) |
6611 | if (!strncmp (switches[i].part1, atom, hard_match_len) | |
6612 | && check_live_switch (i, hard_match_len)) | |
6613 | { | |
6614 | if (do_spec_1 (string, 0, | |
6615 | &switches[i].part1[hard_match_len]) < 0) | |
26a4a13d | 6616 | { |
6617 | free (string); | |
6618 | return 0; | |
6619 | } | |
805e22b2 | 6620 | /* Pass any arguments this switch has. */ |
6621 | give_switch (i, 1); | |
6622 | suffix_subst = NULL; | |
6623 | } | |
6624 | } | |
26a4a13d | 6625 | free (string); |
dead3293 | 6626 | } |
6627 | ||
805e22b2 | 6628 | return p; |
5e8f3c31 | 6629 | |
6630 | invalid: | |
c05be867 | 6631 | fatal_error (input_location, "braced spec body %qs is invalid", body); |
d7a9644e | 6632 | } |
cde688ab | 6633 | \f |
d870e215 | 6634 | /* Return 0 iff switch number SWITCHNUM is obsoleted by a later switch |
6635 | on the command line. PREFIX_LENGTH is the length of XXX in an {XXX*} | |
6636 | spec, or -1 if either exact match or %* is used. | |
cde688ab | 6637 | |
b35329c7 | 6638 | A -O switch is obsoleted by a later -O switch. A -f, -g, -m, or -W switch |
cde688ab | 6639 | whose value does not begin with "no-" is obsoleted by the same value |
6640 | with the "no-", similarly for a switch with the "no-" prefix. */ | |
6641 | ||
6642 | static int | |
952f0048 | 6643 | check_live_switch (int switchnum, int prefix_length) |
cde688ab | 6644 | { |
e40d43cc | 6645 | const char *name = switches[switchnum].part1; |
cde688ab | 6646 | int i; |
6647 | ||
71278019 | 6648 | /* If we already processed this switch and determined if it was |
6649 | live or not, return our past determination. */ | |
6650 | if (switches[switchnum].live_cond != 0) | |
6651 | return ((switches[switchnum].live_cond & SWITCH_LIVE) != 0 | |
6652 | && (switches[switchnum].live_cond & SWITCH_FALSE) == 0 | |
87a6a1b5 | 6653 | && (switches[switchnum].live_cond & SWITCH_IGNORE_PERMANENTLY) |
6654 | == 0); | |
71278019 | 6655 | |
d870e215 | 6656 | /* In the common case of {<at-most-one-letter>*}, a negating |
cde688ab | 6657 | switch would always match, so ignore that case. We will just |
6658 | send the conflicting switches to the compiler phase. */ | |
d870e215 | 6659 | if (prefix_length >= 0 && prefix_length <= 1) |
cde688ab | 6660 | return 1; |
6661 | ||
cde688ab | 6662 | /* Now search for duplicate in a manner that depends on the name. */ |
6663 | switch (*name) | |
6664 | { | |
6665 | case 'O': | |
026f2c7a | 6666 | for (i = switchnum + 1; i < n_switches; i++) |
6667 | if (switches[i].part1[0] == 'O') | |
6668 | { | |
556cfe53 | 6669 | switches[switchnum].validated = true; |
026f2c7a | 6670 | switches[switchnum].live_cond = SWITCH_FALSE; |
6671 | return 0; | |
6672 | } | |
cde688ab | 6673 | break; |
d7a9644e | 6674 | |
b35329c7 | 6675 | case 'W': case 'f': case 'm': case 'g': |
d870e215 | 6676 | if (! strncmp (name + 1, "no-", 3)) |
cde688ab | 6677 | { |
a92771b8 | 6678 | /* We have Xno-YYY, search for XYYY. */ |
cde688ab | 6679 | for (i = switchnum + 1; i < n_switches; i++) |
6680 | if (switches[i].part1[0] == name[0] | |
6681 | && ! strcmp (&switches[i].part1[1], &name[4])) | |
026f2c7a | 6682 | { |
556cfe53 | 6683 | /* --specs are validated with the validate_switches mechanism. */ |
6684 | if (switches[switchnum].known) | |
6685 | switches[switchnum].validated = true; | |
026f2c7a | 6686 | switches[switchnum].live_cond = SWITCH_FALSE; |
6687 | return 0; | |
6688 | } | |
cde688ab | 6689 | } |
6690 | else | |
6691 | { | |
6692 | /* We have XYYY, search for Xno-YYY. */ | |
6693 | for (i = switchnum + 1; i < n_switches; i++) | |
6694 | if (switches[i].part1[0] == name[0] | |
6695 | && switches[i].part1[1] == 'n' | |
6696 | && switches[i].part1[2] == 'o' | |
6697 | && switches[i].part1[3] == '-' | |
6698 | && !strcmp (&switches[i].part1[4], &name[1])) | |
026f2c7a | 6699 | { |
556cfe53 | 6700 | /* --specs are validated with the validate_switches mechanism. */ |
6701 | if (switches[switchnum].known) | |
6702 | switches[switchnum].validated = true; | |
026f2c7a | 6703 | switches[switchnum].live_cond = SWITCH_FALSE; |
6704 | return 0; | |
6705 | } | |
cde688ab | 6706 | } |
6707 | break; | |
6708 | } | |
6709 | ||
6710 | /* Otherwise the switch is live. */ | |
79d52444 | 6711 | switches[switchnum].live_cond |= SWITCH_LIVE; |
cde688ab | 6712 | return 1; |
6713 | } | |
6714 | \f | |
d7a9644e | 6715 | /* Pass a switch to the current accumulating command |
6716 | in the same form that we received it. | |
6717 | SWITCHNUM identifies the switch; it is an index into | |
6718 | the vector of switches gcc received, which is `switches'. | |
6719 | This cannot fail since it never finishes a command line. | |
6720 | ||
805e22b2 | 6721 | If OMIT_FIRST_WORD is nonzero, then we omit .part1 of the argument. */ |
d7a9644e | 6722 | |
6723 | static void | |
952f0048 | 6724 | give_switch (int switchnum, int omit_first_word) |
d7a9644e | 6725 | { |
79d52444 | 6726 | if ((switches[switchnum].live_cond & SWITCH_IGNORE) != 0) |
4a10d696 | 6727 | return; |
6728 | ||
d7a9644e | 6729 | if (!omit_first_word) |
6730 | { | |
d946ea19 | 6731 | do_spec_1 ("-", 0, NULL); |
6732 | do_spec_1 (switches[switchnum].part1, 1, NULL); | |
d7a9644e | 6733 | } |
3796373b | 6734 | |
d7a9644e | 6735 | if (switches[switchnum].args != 0) |
6736 | { | |
2508fdc3 | 6737 | const char **p; |
d7a9644e | 6738 | for (p = switches[switchnum].args; *p; p++) |
6739 | { | |
bdbd5352 | 6740 | const char *arg = *p; |
6741 | ||
805e22b2 | 6742 | do_spec_1 (" ", 0, NULL); |
bdbd5352 | 6743 | if (suffix_subst) |
6744 | { | |
6745 | unsigned length = strlen (arg); | |
633199a0 | 6746 | int dot = 0; |
bdbd5352 | 6747 | |
6748 | while (length-- && !IS_DIR_SEPARATOR (arg[length])) | |
6749 | if (arg[length] == '.') | |
6750 | { | |
9af5ce0c | 6751 | (CONST_CAST (char *, arg))[length] = 0; |
633199a0 | 6752 | dot = 1; |
bdbd5352 | 6753 | break; |
6754 | } | |
d946ea19 | 6755 | do_spec_1 (arg, 1, NULL); |
633199a0 | 6756 | if (dot) |
9af5ce0c | 6757 | (CONST_CAST (char *, arg))[length] = '.'; |
633199a0 | 6758 | do_spec_1 (suffix_subst, 1, NULL); |
bdbd5352 | 6759 | } |
6760 | else | |
d946ea19 | 6761 | do_spec_1 (arg, 1, NULL); |
d7a9644e | 6762 | } |
6763 | } | |
3796373b | 6764 | |
d946ea19 | 6765 | do_spec_1 (" ", 0, NULL); |
556cfe53 | 6766 | switches[switchnum].validated = true; |
d7a9644e | 6767 | } |
6768 | \f | |
a31e9496 | 6769 | /* Print GCC configuration (e.g. version, thread model, target, |
6770 | configuration_arguments) to a given FILE. */ | |
6771 | ||
6772 | static void | |
6773 | print_configuration (FILE *file) | |
6774 | { | |
6775 | int n; | |
6776 | const char *thrmod; | |
6777 | ||
6778 | fnotice (file, "Target: %s\n", spec_machine); | |
6779 | fnotice (file, "Configured with: %s\n", configuration_arguments); | |
6780 | ||
6781 | #ifdef THREAD_MODEL_SPEC | |
6782 | /* We could have defined THREAD_MODEL_SPEC to "%*" by default, | |
6783 | but there's no point in doing all this processing just to get | |
6784 | thread_model back. */ | |
6785 | obstack_init (&obstack); | |
6786 | do_spec_1 (THREAD_MODEL_SPEC, 0, thread_model); | |
6787 | obstack_1grow (&obstack, '\0'); | |
6788 | thrmod = XOBFINISH (&obstack, const char *); | |
6789 | #else | |
6790 | thrmod = thread_model; | |
6791 | #endif | |
6792 | ||
6793 | fnotice (file, "Thread model: %s\n", thrmod); | |
3dcfd230 | 6794 | fnotice (file, "Supported LTO compression algorithms: zlib"); |
6795 | #ifdef HAVE_ZSTD_H | |
6796 | fnotice (file, " zstd"); | |
6797 | #endif | |
6798 | fnotice (file, "\n"); | |
a31e9496 | 6799 | |
6800 | /* compiler_version is truncated at the first space when initialized | |
6801 | from version string, so truncate version_string at the first space | |
6802 | before comparing. */ | |
6803 | for (n = 0; version_string[n]; n++) | |
6804 | if (version_string[n] == ' ') | |
6805 | break; | |
6806 | ||
6807 | if (! strncmp (version_string, compiler_version, n) | |
6808 | && compiler_version[n] == 0) | |
2782c04c | 6809 | fnotice (file, "gcc version %s %s\n", version_string, |
a31e9496 | 6810 | pkgversion_string); |
6811 | else | |
2782c04c | 6812 | fnotice (file, "gcc driver version %s %sexecuting gcc version %s\n", |
a31e9496 | 6813 | version_string, pkgversion_string, compiler_version); |
6814 | ||
6815 | } | |
6816 | ||
6817 | #define RETRY_ICE_ATTEMPTS 3 | |
6818 | ||
6819 | /* Returns true if FILE1 and FILE2 contain equivalent data, 0 otherwise. */ | |
6820 | ||
6821 | static bool | |
6822 | files_equal_p (char *file1, char *file2) | |
6823 | { | |
6824 | struct stat st1, st2; | |
6825 | off_t n, len; | |
6826 | int fd1, fd2; | |
6827 | const int bufsize = 8192; | |
6828 | char *buf = XNEWVEC (char, bufsize); | |
6829 | ||
6830 | fd1 = open (file1, O_RDONLY); | |
6831 | fd2 = open (file2, O_RDONLY); | |
6832 | ||
6833 | if (fd1 < 0 || fd2 < 0) | |
6834 | goto error; | |
6835 | ||
6836 | if (fstat (fd1, &st1) < 0 || fstat (fd2, &st2) < 0) | |
6837 | goto error; | |
6838 | ||
6839 | if (st1.st_size != st2.st_size) | |
6840 | goto error; | |
6841 | ||
6842 | for (n = st1.st_size; n; n -= len) | |
6843 | { | |
6844 | len = n; | |
6845 | if ((int) len > bufsize / 2) | |
6846 | len = bufsize / 2; | |
6847 | ||
6848 | if (read (fd1, buf, len) != (int) len | |
6849 | || read (fd2, buf + bufsize / 2, len) != (int) len) | |
6850 | { | |
6851 | goto error; | |
6852 | } | |
6853 | ||
6854 | if (memcmp (buf, buf + bufsize / 2, len) != 0) | |
6855 | goto error; | |
6856 | } | |
6857 | ||
6858 | free (buf); | |
6859 | close (fd1); | |
6860 | close (fd2); | |
6861 | ||
6862 | return 1; | |
6863 | ||
6864 | error: | |
6865 | free (buf); | |
6866 | close (fd1); | |
6867 | close (fd2); | |
6868 | return 0; | |
6869 | } | |
6870 | ||
6871 | /* Check that compiler's output doesn't differ across runs. | |
6872 | TEMP_STDOUT_FILES and TEMP_STDERR_FILES are arrays of files, containing | |
6873 | stdout and stderr for each compiler run. Return true if all of | |
6874 | TEMP_STDOUT_FILES and TEMP_STDERR_FILES are equivalent. */ | |
6875 | ||
6876 | static bool | |
6877 | check_repro (char **temp_stdout_files, char **temp_stderr_files) | |
6878 | { | |
6879 | int i; | |
6880 | for (i = 0; i < RETRY_ICE_ATTEMPTS - 2; ++i) | |
6881 | { | |
6882 | if (!files_equal_p (temp_stdout_files[i], temp_stdout_files[i + 1]) | |
6883 | || !files_equal_p (temp_stderr_files[i], temp_stderr_files[i + 1])) | |
6884 | { | |
6885 | fnotice (stderr, "The bug is not reproducible, so it is" | |
6886 | " likely a hardware or OS problem.\n"); | |
6887 | break; | |
6888 | } | |
6889 | } | |
6890 | return i == RETRY_ICE_ATTEMPTS - 2; | |
6891 | } | |
6892 | ||
6893 | enum attempt_status { | |
6894 | ATTEMPT_STATUS_FAIL_TO_RUN, | |
6895 | ATTEMPT_STATUS_SUCCESS, | |
6896 | ATTEMPT_STATUS_ICE | |
6897 | }; | |
6898 | ||
6899 | ||
6900 | /* Run compiler with arguments NEW_ARGV to reproduce the ICE, storing stdout | |
6901 | to OUT_TEMP and stderr to ERR_TEMP. If APPEND is TRUE, append to OUT_TEMP | |
6902 | and ERR_TEMP instead of truncating. If EMIT_SYSTEM_INFO is TRUE, also write | |
6903 | GCC configuration into to ERR_TEMP. Return ATTEMPT_STATUS_FAIL_TO_RUN if | |
6904 | compiler failed to run, ATTEMPT_STATUS_ICE if compiled ICE-ed and | |
6905 | ATTEMPT_STATUS_SUCCESS otherwise. */ | |
6906 | ||
6907 | static enum attempt_status | |
6908 | run_attempt (const char **new_argv, const char *out_temp, | |
6909 | const char *err_temp, int emit_system_info, int append) | |
6910 | { | |
6911 | ||
6912 | if (emit_system_info) | |
6913 | { | |
6914 | FILE *file_out = fopen (err_temp, "a"); | |
6915 | print_configuration (file_out); | |
2782c04c | 6916 | fputs ("\n", file_out); |
a31e9496 | 6917 | fclose (file_out); |
6918 | } | |
6919 | ||
6920 | int exit_status; | |
6921 | const char *errmsg; | |
6922 | struct pex_obj *pex; | |
6923 | int err; | |
6924 | int pex_flags = PEX_USE_PIPES | PEX_LAST; | |
6925 | enum attempt_status status = ATTEMPT_STATUS_FAIL_TO_RUN; | |
6926 | ||
6927 | if (append) | |
6928 | pex_flags |= PEX_STDOUT_APPEND | PEX_STDERR_APPEND; | |
6929 | ||
6930 | pex = pex_init (PEX_USE_PIPES, new_argv[0], NULL); | |
6931 | if (!pex) | |
85b9be9b | 6932 | fatal_error (input_location, "%<pex_init%> failed: %m"); |
a31e9496 | 6933 | |
6934 | errmsg = pex_run (pex, pex_flags, new_argv[0], | |
3496ef4c | 6935 | CONST_CAST2 (char *const *, const char **, &new_argv[1]), |
6936 | out_temp, err_temp, &err); | |
d3faa4b6 | 6937 | if (errmsg != NULL) |
6938 | { | |
a00c2b64 | 6939 | errno = err; |
6940 | fatal_error (input_location, | |
7bc2f5b4 | 6941 | err ? G_ ("cannot execute %qs: %s: %m") |
6942 | : G_ ("cannot execute %qs: %s"), | |
a00c2b64 | 6943 | new_argv[0], errmsg); |
d3faa4b6 | 6944 | } |
a31e9496 | 6945 | |
6946 | if (!pex_get_status (pex, 1, &exit_status)) | |
6947 | goto out; | |
6948 | ||
6949 | switch (WEXITSTATUS (exit_status)) | |
6950 | { | |
6951 | case ICE_EXIT_CODE: | |
6952 | status = ATTEMPT_STATUS_ICE; | |
6953 | break; | |
6954 | ||
6955 | case SUCCESS_EXIT_CODE: | |
6956 | status = ATTEMPT_STATUS_SUCCESS; | |
6957 | break; | |
6958 | ||
6959 | default: | |
6960 | ; | |
6961 | } | |
6962 | ||
6963 | out: | |
6964 | pex_free (pex); | |
6965 | return status; | |
6966 | } | |
6967 | ||
5a01908f | 6968 | /* This routine reads lines from IN file, adds C++ style comments |
6969 | at the begining of each line and writes result into OUT. */ | |
6970 | ||
6971 | static void | |
6972 | insert_comments (const char *file_in, const char *file_out) | |
6973 | { | |
6974 | FILE *in = fopen (file_in, "rb"); | |
6975 | FILE *out = fopen (file_out, "wb"); | |
6976 | char line[256]; | |
6977 | ||
6978 | bool add_comment = true; | |
6979 | while (fgets (line, sizeof (line), in)) | |
6980 | { | |
6981 | if (add_comment) | |
6982 | fputs ("// ", out); | |
6983 | fputs (line, out); | |
6984 | add_comment = strchr (line, '\n') != NULL; | |
6985 | } | |
6986 | ||
6987 | fclose (in); | |
6988 | fclose (out); | |
6989 | } | |
6990 | ||
a31e9496 | 6991 | /* This routine adds preprocessed source code into the given ERR_FILE. |
6992 | To do this, it adds "-E" to NEW_ARGV and execute RUN_ATTEMPT routine to | |
6993 | add information in report file. RUN_ATTEMPT should return | |
6994 | ATTEMPT_STATUS_SUCCESS, in other case we cannot generate the report. */ | |
6995 | ||
6996 | static void | |
6997 | do_report_bug (const char **new_argv, const int nargs, | |
6998 | char **out_file, char **err_file) | |
6999 | { | |
7000 | int i, status; | |
7001 | int fd = open (*out_file, O_RDWR | O_APPEND); | |
7002 | if (fd < 0) | |
7003 | return; | |
7004 | write (fd, "\n//", 3); | |
7005 | for (i = 0; i < nargs; i++) | |
7006 | { | |
7007 | write (fd, " ", 1); | |
7008 | write (fd, new_argv[i], strlen (new_argv[i])); | |
7009 | } | |
7010 | write (fd, "\n\n", 2); | |
7011 | close (fd); | |
7012 | new_argv[nargs] = "-E"; | |
7013 | new_argv[nargs + 1] = NULL; | |
7014 | ||
7015 | status = run_attempt (new_argv, *out_file, *err_file, 0, 1); | |
7016 | ||
7017 | if (status == ATTEMPT_STATUS_SUCCESS) | |
7018 | { | |
7019 | fnotice (stderr, "Preprocessed source stored into %s file," | |
7020 | " please attach this to your bugreport.\n", *out_file); | |
7021 | /* Make sure it is not deleted. */ | |
7022 | free (*out_file); | |
7023 | *out_file = NULL; | |
7024 | } | |
7025 | } | |
7026 | ||
a31e9496 | 7027 | /* Try to reproduce ICE. If bug is reproducible, generate report .err file |
7028 | containing GCC configuration, backtrace, compiler's command line options | |
7029 | and preprocessed source code. */ | |
7030 | ||
7031 | static void | |
d3faa4b6 | 7032 | try_generate_repro (const char **argv) |
a31e9496 | 7033 | { |
7034 | int i, nargs, out_arg = -1, quiet = 0, attempt; | |
7035 | const char **new_argv; | |
7036 | char *temp_files[RETRY_ICE_ATTEMPTS * 2]; | |
7037 | char **temp_stdout_files = &temp_files[0]; | |
7038 | char **temp_stderr_files = &temp_files[RETRY_ICE_ATTEMPTS]; | |
7039 | ||
7040 | if (gcc_input_filename == NULL || ! strcmp (gcc_input_filename, "-")) | |
7041 | return; | |
7042 | ||
7043 | for (nargs = 0; argv[nargs] != NULL; ++nargs) | |
7044 | /* Only retry compiler ICEs, not preprocessor ones. */ | |
7045 | if (! strcmp (argv[nargs], "-E")) | |
7046 | return; | |
7047 | else if (argv[nargs][0] == '-' && argv[nargs][1] == 'o') | |
7048 | { | |
7049 | if (out_arg == -1) | |
7050 | out_arg = nargs; | |
7051 | else | |
7052 | return; | |
7053 | } | |
7054 | /* If the compiler is going to output any time information, | |
7055 | it might varry between invocations. */ | |
7056 | else if (! strcmp (argv[nargs], "-quiet")) | |
7057 | quiet = 1; | |
7058 | else if (! strcmp (argv[nargs], "-ftime-report")) | |
7059 | return; | |
7060 | ||
7061 | if (out_arg == -1 || !quiet) | |
7062 | return; | |
7063 | ||
7064 | memset (temp_files, '\0', sizeof (temp_files)); | |
7065 | new_argv = XALLOCAVEC (const char *, nargs + 4); | |
7066 | memcpy (new_argv, argv, (nargs + 1) * sizeof (const char *)); | |
7067 | new_argv[nargs++] = "-frandom-seed=0"; | |
7068 | new_argv[nargs++] = "-fdump-noaddr"; | |
7069 | new_argv[nargs] = NULL; | |
7070 | if (new_argv[out_arg][2] == '\0') | |
7071 | new_argv[out_arg + 1] = "-"; | |
7072 | else | |
7073 | new_argv[out_arg] = "-o-"; | |
7074 | ||
7075 | int status; | |
7076 | for (attempt = 0; attempt < RETRY_ICE_ATTEMPTS; ++attempt) | |
7077 | { | |
7078 | int emit_system_info = 0; | |
7079 | int append = 0; | |
7080 | temp_stdout_files[attempt] = make_temp_file (".out"); | |
7081 | temp_stderr_files[attempt] = make_temp_file (".err"); | |
7082 | ||
7083 | if (attempt == RETRY_ICE_ATTEMPTS - 1) | |
7084 | { | |
7085 | append = 1; | |
7086 | emit_system_info = 1; | |
7087 | } | |
7088 | ||
a31e9496 | 7089 | status = run_attempt (new_argv, temp_stdout_files[attempt], |
7090 | temp_stderr_files[attempt], emit_system_info, | |
7091 | append); | |
7092 | ||
a31e9496 | 7093 | if (status != ATTEMPT_STATUS_ICE) |
7094 | { | |
7095 | fnotice (stderr, "The bug is not reproducible, so it is" | |
7096 | " likely a hardware or OS problem.\n"); | |
7097 | goto out; | |
7098 | } | |
7099 | } | |
7100 | ||
7101 | if (!check_repro (temp_stdout_files, temp_stderr_files)) | |
7102 | goto out; | |
7103 | ||
5a01908f | 7104 | { |
7105 | /* Insert commented out backtrace into report file. */ | |
7106 | char **stderr_commented = &temp_stdout_files[RETRY_ICE_ATTEMPTS - 1]; | |
7107 | insert_comments (temp_stderr_files[RETRY_ICE_ATTEMPTS - 1], | |
7108 | *stderr_commented); | |
7109 | ||
7110 | /* In final attempt we append compiler options and preprocesssed code to last | |
7111 | generated .out file with configuration and backtrace. */ | |
ccf58eea | 7112 | char **err = &temp_stderr_files[RETRY_ICE_ATTEMPTS - 1]; |
7113 | do_report_bug (new_argv, nargs, stderr_commented, err); | |
5a01908f | 7114 | } |
a31e9496 | 7115 | |
7116 | out: | |
7117 | for (i = 0; i < RETRY_ICE_ATTEMPTS * 2; i++) | |
7118 | if (temp_files[i]) | |
7119 | { | |
7120 | unlink (temp_stdout_files[i]); | |
7121 | free (temp_stdout_files[i]); | |
7122 | } | |
7123 | } | |
7124 | ||
d7a9644e | 7125 | /* Search for a file named NAME trying various prefixes including the |
7126 | user's -B prefix and some standard ones. | |
7127 | Return the absolute file name found. If nothing is found, return NAME. */ | |
7128 | ||
e40d43cc | 7129 | static const char * |
952f0048 | 7130 | find_file (const char *name) |
d7a9644e | 7131 | { |
067277c3 | 7132 | char *newname = find_a_file (&startfile_prefixes, name, R_OK, true); |
d7a9644e | 7133 | return newname ? newname : name; |
7134 | } | |
7135 | ||
c049b2ee | 7136 | /* Determine whether a directory exists. If LINKER, return 0 for |
067277c3 | 7137 | certain fixed names not needed by the linker. */ |
d7a9644e | 7138 | |
7139 | static int | |
067277c3 | 7140 | is_directory (const char *path1, bool linker) |
d7a9644e | 7141 | { |
067277c3 | 7142 | int len1; |
7143 | char *path; | |
d7a9644e | 7144 | char *cp; |
7145 | struct stat st; | |
7146 | ||
067277c3 | 7147 | /* Ensure the string ends with "/.". The resulting path will be a |
7148 | directory even if the given path is a symbolic link. */ | |
7149 | len1 = strlen (path1); | |
25a1c410 | 7150 | path = (char *) alloca (3 + len1); |
d7e36a01 | 7151 | memcpy (path, path1, len1); |
067277c3 | 7152 | cp = path + len1; |
79b23a1e | 7153 | if (!IS_DIR_SEPARATOR (cp[-1])) |
b9374a77 | 7154 | *cp++ = DIR_SEPARATOR; |
d7a9644e | 7155 | *cp++ = '.'; |
7156 | *cp = '\0'; | |
7157 | ||
7158 | /* Exclude directories that the linker is known to search. */ | |
c049b2ee | 7159 | if (linker |
067277c3 | 7160 | && IS_DIR_SEPARATOR (path[0]) |
b9374a77 | 7161 | && ((cp - path == 6 |
82715bcd | 7162 | && filename_ncmp (path + 1, "lib", 3) == 0) |
b9374a77 | 7163 | || (cp - path == 10 |
82715bcd | 7164 | && filename_ncmp (path + 1, "usr", 3) == 0 |
067277c3 | 7165 | && IS_DIR_SEPARATOR (path[4]) |
82715bcd | 7166 | && filename_ncmp (path + 5, "lib", 3) == 0))) |
d7a9644e | 7167 | return 0; |
7168 | ||
7169 | return (stat (path, &st) >= 0 && S_ISDIR (st.st_mode)); | |
7170 | } | |
397f1574 | 7171 | |
7172 | /* Set up the various global variables to indicate that we're processing | |
7173 | the input file named FILENAME. */ | |
7174 | ||
32d661fc | 7175 | void |
952f0048 | 7176 | set_input (const char *filename) |
397f1574 | 7177 | { |
19cb6b50 | 7178 | const char *p; |
397f1574 | 7179 | |
460b8bb3 | 7180 | gcc_input_filename = filename; |
7181 | input_filename_length = strlen (gcc_input_filename); | |
7182 | input_basename = lbasename (gcc_input_filename); | |
397f1574 | 7183 | |
7184 | /* Find a suffix starting with the last period, | |
7185 | and set basename_length to exclude that suffix. */ | |
7186 | basename_length = strlen (input_basename); | |
1cf79a1a | 7187 | suffixed_basename_length = basename_length; |
397f1574 | 7188 | p = input_basename + basename_length; |
026f2c7a | 7189 | while (p != input_basename && *p != '.') |
7190 | --p; | |
397f1574 | 7191 | if (*p == '.' && p != input_basename) |
7192 | { | |
7193 | basename_length = p - input_basename; | |
7194 | input_suffix = p + 1; | |
7195 | } | |
7196 | else | |
7197 | input_suffix = ""; | |
3cfec666 | 7198 | |
74e4079a | 7199 | /* If a spec for 'g', 'u', or 'U' is seen with -save-temps then |
460b8bb3 | 7200 | we will need to do a stat on the gcc_input_filename. The |
74e4079a | 7201 | INPUT_STAT_SET signals that the stat is needed. */ |
7202 | input_stat_set = 0; | |
397f1574 | 7203 | } |
d7a9644e | 7204 | \f |
7205 | /* On fatal signals, delete all the temporary files. */ | |
7206 | ||
7207 | static void | |
a922df2e | 7208 | fatal_signal (int signum) |
d7a9644e | 7209 | { |
7210 | signal (signum, SIG_DFL); | |
7211 | delete_failure_queue (); | |
7212 | delete_temp_files (); | |
7213 | /* Get the same signal again, this time not handled, | |
7214 | so its normal effect occurs. */ | |
7215 | kill (getpid (), signum); | |
7216 | } | |
7217 | ||
71278019 | 7218 | /* Compare the contents of the two files named CMPFILE[0] and |
7219 | CMPFILE[1]. Return zero if they're identical, nonzero | |
7220 | otherwise. */ | |
7221 | ||
7222 | static int | |
7223 | compare_files (char *cmpfile[]) | |
7224 | { | |
7225 | int ret = 0; | |
7226 | FILE *temp[2] = { NULL, NULL }; | |
7227 | int i; | |
7228 | ||
7229 | #if HAVE_MMAP_FILE | |
7230 | { | |
7231 | size_t length[2]; | |
7232 | void *map[2] = { NULL, NULL }; | |
7233 | ||
7234 | for (i = 0; i < 2; i++) | |
7235 | { | |
7236 | struct stat st; | |
7237 | ||
7238 | if (stat (cmpfile[i], &st) < 0 || !S_ISREG (st.st_mode)) | |
7239 | { | |
7240 | error ("%s: could not determine length of compare-debug file %s", | |
460b8bb3 | 7241 | gcc_input_filename, cmpfile[i]); |
71278019 | 7242 | ret = 1; |
7243 | break; | |
7244 | } | |
7245 | ||
7246 | length[i] = st.st_size; | |
7247 | } | |
7248 | ||
7249 | if (!ret && length[0] != length[1]) | |
7250 | { | |
2f6d557f | 7251 | error ("%s: %<-fcompare-debug%> failure (length)", gcc_input_filename); |
71278019 | 7252 | ret = 1; |
7253 | } | |
7254 | ||
7255 | if (!ret) | |
7256 | for (i = 0; i < 2; i++) | |
7257 | { | |
7258 | int fd = open (cmpfile[i], O_RDONLY); | |
7259 | if (fd < 0) | |
7260 | { | |
7261 | error ("%s: could not open compare-debug file %s", | |
460b8bb3 | 7262 | gcc_input_filename, cmpfile[i]); |
71278019 | 7263 | ret = 1; |
7264 | break; | |
7265 | } | |
7266 | ||
7267 | map[i] = mmap (NULL, length[i], PROT_READ, MAP_PRIVATE, fd, 0); | |
7268 | close (fd); | |
7269 | ||
7270 | if (map[i] == (void *) MAP_FAILED) | |
7271 | { | |
7272 | ret = -1; | |
7273 | break; | |
7274 | } | |
7275 | } | |
7276 | ||
7277 | if (!ret) | |
7278 | { | |
7279 | if (memcmp (map[0], map[1], length[0]) != 0) | |
7280 | { | |
2f6d557f | 7281 | error ("%s: %<-fcompare-debug%> failure", gcc_input_filename); |
71278019 | 7282 | ret = 1; |
7283 | } | |
7284 | } | |
7285 | ||
7286 | for (i = 0; i < 2; i++) | |
7287 | if (map[i]) | |
7a63ab96 | 7288 | munmap ((caddr_t) map[i], length[i]); |
71278019 | 7289 | |
7290 | if (ret >= 0) | |
7291 | return ret; | |
7292 | ||
7293 | ret = 0; | |
7294 | } | |
7295 | #endif | |
7296 | ||
7297 | for (i = 0; i < 2; i++) | |
7298 | { | |
7299 | temp[i] = fopen (cmpfile[i], "r"); | |
7300 | if (!temp[i]) | |
7301 | { | |
7302 | error ("%s: could not open compare-debug file %s", | |
460b8bb3 | 7303 | gcc_input_filename, cmpfile[i]); |
71278019 | 7304 | ret = 1; |
7305 | break; | |
7306 | } | |
7307 | } | |
7308 | ||
7309 | if (!ret && temp[0] && temp[1]) | |
7310 | for (;;) | |
7311 | { | |
7312 | int c0, c1; | |
7313 | c0 = fgetc (temp[0]); | |
7314 | c1 = fgetc (temp[1]); | |
7315 | ||
7316 | if (c0 != c1) | |
7317 | { | |
2f6d557f | 7318 | error ("%s: %<-fcompare-debug%> failure", |
460b8bb3 | 7319 | gcc_input_filename); |
71278019 | 7320 | ret = 1; |
7321 | break; | |
7322 | } | |
7323 | ||
7324 | if (c0 == EOF) | |
7325 | break; | |
7326 | } | |
7327 | ||
7328 | for (i = 1; i >= 0; i--) | |
7329 | { | |
7330 | if (temp[i]) | |
7331 | fclose (temp[i]); | |
7332 | } | |
7333 | ||
7334 | return ret; | |
7335 | } | |
7336 | ||
26a4a13d | 7337 | driver::driver (bool can_finalize, bool debug) : |
7338 | explicit_link_files (NULL), | |
2abdff38 | 7339 | decoded_options (NULL) |
26a4a13d | 7340 | { |
7341 | env.init (can_finalize, debug); | |
7342 | } | |
7343 | ||
7344 | driver::~driver () | |
7345 | { | |
7346 | XDELETEVEC (explicit_link_files); | |
7347 | XDELETEVEC (decoded_options); | |
7348 | } | |
7349 | ||
cf8104ca | 7350 | /* driver::main is implemented as a series of driver:: method calls. */ |
7351 | ||
7352 | int | |
7353 | driver::main (int argc, char **argv) | |
7354 | { | |
7355 | bool early_exit; | |
7356 | ||
7357 | set_progname (argv[0]); | |
7358 | expand_at_files (&argc, &argv); | |
7359 | decode_argv (argc, const_cast <const char **> (argv)); | |
7360 | global_initializations (); | |
7361 | build_multilib_strings (); | |
7362 | set_up_specs (); | |
7363 | putenv_COLLECT_GCC (argv[0]); | |
7364 | maybe_putenv_COLLECT_LTO_WRAPPER (); | |
77415571 | 7365 | maybe_putenv_OFFLOAD_TARGETS (); |
cf8104ca | 7366 | handle_unrecognized_options (); |
7367 | ||
6e8a18d1 | 7368 | if (completion) |
7369 | { | |
7370 | m_option_proposer.suggest_completion (completion); | |
7371 | return 0; | |
7372 | } | |
7373 | ||
cf8104ca | 7374 | if (!maybe_print_and_exit ()) |
7375 | return 0; | |
7376 | ||
7377 | early_exit = prepare_infiles (); | |
7378 | if (early_exit) | |
7379 | return get_exit_code (); | |
7380 | ||
7381 | do_spec_on_infiles (); | |
7382 | maybe_run_linker (argv[0]); | |
7383 | final_actions (); | |
7384 | return get_exit_code (); | |
7385 | } | |
7386 | ||
7387 | /* Locate the final component of argv[0] after any leading path, and set | |
7388 | the program name accordingly. */ | |
7389 | ||
7390 | void | |
7391 | driver::set_progname (const char *argv0) const | |
7392 | { | |
7393 | const char *p = argv0 + strlen (argv0); | |
7394 | while (p != argv0 && !IS_DIR_SEPARATOR (p[-1])) | |
79b23a1e | 7395 | --p; |
460b8bb3 | 7396 | progname = p; |
d7a9644e | 7397 | |
460b8bb3 | 7398 | xmalloc_set_program_name (progname); |
cf8104ca | 7399 | } |
6deeea15 | 7400 | |
cf8104ca | 7401 | /* Expand any @ files within the command-line args, |
7402 | setting at_file_supplied if any were expanded. */ | |
7403 | ||
7404 | void | |
7405 | driver::expand_at_files (int *argc, char ***argv) const | |
7406 | { | |
7407 | char **old_argv = *argv; | |
7408 | ||
7409 | expandargv (argc, argv); | |
64271450 | 7410 | |
c159e0b7 | 7411 | /* Determine if any expansions were made. */ |
cf8104ca | 7412 | if (*argv != old_argv) |
c159e0b7 | 7413 | at_file_supplied = true; |
cf8104ca | 7414 | } |
c159e0b7 | 7415 | |
cf8104ca | 7416 | /* Decode the command-line arguments from argc/argv into the |
7417 | decoded_options array. */ | |
7418 | ||
7419 | void | |
7420 | driver::decode_argv (int argc, const char **argv) | |
7421 | { | |
90336809 | 7422 | /* Register the language-independent parameters. */ |
7423 | global_init_params (); | |
7424 | finish_params (); | |
7425 | ||
0da03143 | 7426 | init_opts_obstack (); |
90336809 | 7427 | init_options_struct (&global_options, &global_options_set); |
f3f006ad | 7428 | |
cf8104ca | 7429 | decode_cmdline_options_to_array (argc, argv, |
e62df35b | 7430 | CL_DRIVER, |
7431 | &decoded_options, &decoded_options_count); | |
cf8104ca | 7432 | } |
7433 | ||
7434 | /* Perform various initializations and setup. */ | |
a1baa5f1 | 7435 | |
cf8104ca | 7436 | void |
408ebd8b | 7437 | driver::global_initializations () |
cf8104ca | 7438 | { |
4367c81f | 7439 | /* Unlock the stdio streams. */ |
9c8f076b | 7440 | unlock_std_streams (); |
4367c81f | 7441 | |
eb718689 | 7442 | gcc_init_libintl (); |
be2828ce | 7443 | |
460b8bb3 | 7444 | diagnostic_initialize (global_dc, 0); |
9b11544d | 7445 | diagnostic_color_init (global_dc); |
2cdbb326 | 7446 | |
7447 | #ifdef GCC_DRIVER_HOST_INITIALIZATION | |
7448 | /* Perform host dependent initialization when needed. */ | |
7449 | GCC_DRIVER_HOST_INITIALIZATION; | |
7450 | #endif | |
7451 | ||
460b8bb3 | 7452 | if (atexit (delete_temp_files) != 0) |
c05be867 | 7453 | fatal_error (input_location, "atexit failed"); |
460b8bb3 | 7454 | |
d7a9644e | 7455 | if (signal (SIGINT, SIG_IGN) != SIG_IGN) |
a922df2e | 7456 | signal (SIGINT, fatal_signal); |
294a029f | 7457 | #ifdef SIGHUP |
d7a9644e | 7458 | if (signal (SIGHUP, SIG_IGN) != SIG_IGN) |
a922df2e | 7459 | signal (SIGHUP, fatal_signal); |
294a029f | 7460 | #endif |
d7a9644e | 7461 | if (signal (SIGTERM, SIG_IGN) != SIG_IGN) |
a922df2e | 7462 | signal (SIGTERM, fatal_signal); |
d7a9644e | 7463 | #ifdef SIGPIPE |
7464 | if (signal (SIGPIPE, SIG_IGN) != SIG_IGN) | |
a922df2e | 7465 | signal (SIGPIPE, fatal_signal); |
d7a9644e | 7466 | #endif |
6b917287 | 7467 | #ifdef SIGCHLD |
1a3768bc | 7468 | /* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will |
7469 | receive the signal. A different setting is inheritable */ | |
7470 | signal (SIGCHLD, SIG_DFL); | |
6b917287 | 7471 | #endif |
d7a9644e | 7472 | |
00dacc40 | 7473 | /* Parsing and gimplification sometimes need quite large stack. |
7474 | Increase stack size limits if possible. */ | |
7475 | stack_limit_increase (64 * 1024 * 1024); | |
7476 | ||
c21b3276 | 7477 | /* Allocate the argument vector. */ |
7478 | alloc_args (); | |
d7a9644e | 7479 | |
7480 | obstack_init (&obstack); | |
cf8104ca | 7481 | } |
7482 | ||
7483 | /* Build multilib_select, et. al from the separate lines that make up each | |
7484 | multilib selection. */ | |
d7a9644e | 7485 | |
cf8104ca | 7486 | void |
7487 | driver::build_multilib_strings () const | |
7488 | { | |
709c4e1b | 7489 | { |
cf8104ca | 7490 | const char *p; |
e772a198 | 7491 | const char *const *q = multilib_raw; |
3d97d965 | 7492 | int need_space; |
709c4e1b | 7493 | |
7494 | obstack_init (&multilib_obstack); | |
a92771b8 | 7495 | while ((p = *q++) != (char *) 0) |
709c4e1b | 7496 | obstack_grow (&multilib_obstack, p, strlen (p)); |
7497 | ||
7498 | obstack_1grow (&multilib_obstack, 0); | |
4fac984f | 7499 | multilib_select = XOBFINISH (&multilib_obstack, const char *); |
3d97d965 | 7500 | |
7501 | q = multilib_matches_raw; | |
7502 | while ((p = *q++) != (char *) 0) | |
7503 | obstack_grow (&multilib_obstack, p, strlen (p)); | |
7504 | ||
7505 | obstack_1grow (&multilib_obstack, 0); | |
4fac984f | 7506 | multilib_matches = XOBFINISH (&multilib_obstack, const char *); |
3d97d965 | 7507 | |
54518c3b | 7508 | q = multilib_exclusions_raw; |
7509 | while ((p = *q++) != (char *) 0) | |
026f2c7a | 7510 | obstack_grow (&multilib_obstack, p, strlen (p)); |
54518c3b | 7511 | |
7512 | obstack_1grow (&multilib_obstack, 0); | |
4fac984f | 7513 | multilib_exclusions = XOBFINISH (&multilib_obstack, const char *); |
2c815aff | 7514 | |
7137cdac | 7515 | q = multilib_reuse_raw; |
7516 | while ((p = *q++) != (char *) 0) | |
7517 | obstack_grow (&multilib_obstack, p, strlen (p)); | |
7518 | ||
7519 | obstack_1grow (&multilib_obstack, 0); | |
7520 | multilib_reuse = XOBFINISH (&multilib_obstack, const char *); | |
7521 | ||
3d97d965 | 7522 | need_space = FALSE; |
cf8104ca | 7523 | for (size_t i = 0; i < ARRAY_SIZE (multilib_defaults_raw); i++) |
3d97d965 | 7524 | { |
7525 | if (need_space) | |
7526 | obstack_1grow (&multilib_obstack, ' '); | |
7527 | obstack_grow (&multilib_obstack, | |
7528 | multilib_defaults_raw[i], | |
7529 | strlen (multilib_defaults_raw[i])); | |
7530 | need_space = TRUE; | |
7531 | } | |
7532 | ||
7533 | obstack_1grow (&multilib_obstack, 0); | |
4fac984f | 7534 | multilib_defaults = XOBFINISH (&multilib_obstack, const char *); |
709c4e1b | 7535 | } |
cf8104ca | 7536 | } |
7537 | ||
7538 | /* Set up the spec-handling machinery. */ | |
7539 | ||
7540 | void | |
7541 | driver::set_up_specs () const | |
7542 | { | |
77415571 | 7543 | const char *spec_machine_suffix; |
cf8104ca | 7544 | char *specs_file; |
7545 | size_t i; | |
709c4e1b | 7546 | |
bba01ba8 | 7547 | #ifdef INIT_ENVIRONMENT |
7548 | /* Set up any other necessary machine specific environment variables. */ | |
99c00302 | 7549 | xputenv (INIT_ENVIRONMENT); |
bba01ba8 | 7550 | #endif |
7551 | ||
d7a9644e | 7552 | /* Make a table of what switches there are (switches, n_switches). |
7553 | Make a table of specified input files (infiles, n_infiles). | |
7554 | Decode switches that are handled locally. */ | |
7555 | ||
e62df35b | 7556 | process_command (decoded_options_count, decoded_options); |
d7a9644e | 7557 | |
7558 | /* Initialize the vector of specs to just the default. | |
7559 | This means one element containing 0s, as a terminator. */ | |
7560 | ||
25a1c410 | 7561 | compilers = XNEWVAR (struct compiler, sizeof default_compilers); |
f0af5a88 | 7562 | memcpy (compilers, default_compilers, sizeof default_compilers); |
d7a9644e | 7563 | n_compilers = n_default_compilers; |
7564 | ||
7565 | /* Read specs from a file if there is one. */ | |
7566 | ||
77415571 | 7567 | machine_suffix = concat (spec_host_machine, dir_separator_str, spec_version, |
7568 | accel_dir_suffix, dir_separator_str, NULL); | |
4e2023c8 | 7569 | just_machine_suffix = concat (spec_machine, dir_separator_str, NULL); |
d7a9644e | 7570 | |
067277c3 | 7571 | specs_file = find_a_file (&startfile_prefixes, "specs", R_OK, true); |
d7a9644e | 7572 | /* Read the specs file unless it is a default one. */ |
7573 | if (specs_file != 0 && strcmp (specs_file, "specs")) | |
556cfe53 | 7574 | read_specs (specs_file, true, false); |
4582d741 | 7575 | else |
7576 | init_spec (); | |
8b351d3c | 7577 | |
77415571 | 7578 | #ifdef ACCEL_COMPILER |
7579 | spec_machine_suffix = machine_suffix; | |
7580 | #else | |
7581 | spec_machine_suffix = just_machine_suffix; | |
7582 | #endif | |
7583 | ||
7584 | /* We need to check standard_exec_prefix/spec_machine_suffix/specs | |
d4ea3b1f | 7585 | for any override of as, ld and libraries. */ |
25a1c410 | 7586 | specs_file = (char *) alloca (strlen (standard_exec_prefix) |
77415571 | 7587 | + strlen (spec_machine_suffix) + sizeof ("specs")); |
c71f4af0 | 7588 | strcpy (specs_file, standard_exec_prefix); |
77415571 | 7589 | strcat (specs_file, spec_machine_suffix); |
c71f4af0 | 7590 | strcat (specs_file, "specs"); |
7591 | if (access (specs_file, R_OK) == 0) | |
556cfe53 | 7592 | read_specs (specs_file, true, false); |
2c815aff | 7593 | |
7dd97ab6 | 7594 | /* Process any configure-time defaults specified for the command line |
7595 | options, via OPTION_DEFAULT_SPECS. */ | |
7596 | for (i = 0; i < ARRAY_SIZE (option_default_specs); i++) | |
7597 | do_option_spec (option_default_specs[i].name, | |
7598 | option_default_specs[i].spec); | |
7599 | ||
d0faeb9d | 7600 | /* Process DRIVER_SELF_SPECS, adding any new options to the end |
7601 | of the command line. */ | |
7602 | ||
7603 | for (i = 0; i < ARRAY_SIZE (driver_self_specs); i++) | |
7604 | do_self_spec (driver_self_specs[i]); | |
7605 | ||
805e22b2 | 7606 | /* If not cross-compiling, look for executables in the standard |
7607 | places. */ | |
7608 | if (*cross_compile == '0') | |
a45072dd | 7609 | { |
bfb9bc39 | 7610 | if (*md_exec_prefix) |
7611 | { | |
7612 | add_prefix (&exec_prefixes, md_exec_prefix, "GCC", | |
2af84186 | 7613 | PREFIX_PRIORITY_LAST, 0, 0); |
bfb9bc39 | 7614 | } |
805e22b2 | 7615 | } |
7616 | ||
6473f3f4 | 7617 | /* Process sysroot_suffix_spec. */ |
4ea70922 | 7618 | if (*sysroot_suffix_spec != 0 |
70eb49f5 | 7619 | && !no_sysroot_suffix |
c834ef92 | 7620 | && do_spec_2 (sysroot_suffix_spec, NULL) == 0) |
4ea70922 | 7621 | { |
f1f41a6c | 7622 | if (argbuf.length () > 1) |
85b9be9b | 7623 | error ("spec failure: more than one argument to " |
7624 | "%<SYSROOT_SUFFIX_SPEC%>"); | |
f1f41a6c | 7625 | else if (argbuf.length () == 1) |
7626 | target_sysroot_suffix = xstrdup (argbuf.last ()); | |
4ea70922 | 7627 | } |
7628 | ||
b6bcc48f | 7629 | #ifdef HAVE_LD_SYSROOT |
7630 | /* Pass the --sysroot option to the linker, if it supports that. If | |
7631 | there is a sysroot_suffix_spec, it has already been processed by | |
7632 | this point, so target_system_root really is the system root we | |
7633 | should be using. */ | |
7634 | if (target_system_root) | |
7635 | { | |
7636 | obstack_grow (&obstack, "%(sysroot_spec) ", strlen ("%(sysroot_spec) ")); | |
7637 | obstack_grow0 (&obstack, link_spec, strlen (link_spec)); | |
556cfe53 | 7638 | set_spec ("link", XOBFINISH (&obstack, const char *), false); |
b6bcc48f | 7639 | } |
7640 | #endif | |
7641 | ||
6473f3f4 | 7642 | /* Process sysroot_hdrs_suffix_spec. */ |
4ea70922 | 7643 | if (*sysroot_hdrs_suffix_spec != 0 |
70eb49f5 | 7644 | && !no_sysroot_suffix |
c834ef92 | 7645 | && do_spec_2 (sysroot_hdrs_suffix_spec, NULL) == 0) |
4ea70922 | 7646 | { |
f1f41a6c | 7647 | if (argbuf.length () > 1) |
85b9be9b | 7648 | error ("spec failure: more than one argument " |
7649 | "to %<SYSROOT_HEADERS_SUFFIX_SPEC%>"); | |
f1f41a6c | 7650 | else if (argbuf.length () == 1) |
7651 | target_sysroot_hdrs_suffix = xstrdup (argbuf.last ()); | |
4ea70922 | 7652 | } |
7653 | ||
805e22b2 | 7654 | /* Look for startfiles in the standard places. */ |
7655 | if (*startfile_prefix_spec != 0 | |
c834ef92 | 7656 | && do_spec_2 (startfile_prefix_spec, NULL) == 0 |
805e22b2 | 7657 | && do_spec_1 (" ", 0, NULL) == 0) |
7658 | { | |
9d9edc85 | 7659 | const char *arg; |
805e22b2 | 7660 | int ndx; |
f1f41a6c | 7661 | FOR_EACH_VEC_ELT (argbuf, ndx, arg) |
9d9edc85 | 7662 | add_sysrooted_prefix (&startfile_prefixes, arg, "BINUTILS", |
2af84186 | 7663 | PREFIX_PRIORITY_LAST, 0, 1); |
805e22b2 | 7664 | } |
7665 | /* We should eventually get rid of all these and stick to | |
7666 | startfile_prefix_spec exclusively. */ | |
7667 | else if (*cross_compile == '0' || target_system_root) | |
7668 | { | |
bfb9bc39 | 7669 | if (*md_startfile_prefix) |
805e22b2 | 7670 | add_sysrooted_prefix (&startfile_prefixes, md_startfile_prefix, |
2af84186 | 7671 | "GCC", PREFIX_PRIORITY_LAST, 0, 1); |
a45072dd | 7672 | |
bfb9bc39 | 7673 | if (*md_startfile_prefix_1) |
805e22b2 | 7674 | add_sysrooted_prefix (&startfile_prefixes, md_startfile_prefix_1, |
2af84186 | 7675 | "GCC", PREFIX_PRIORITY_LAST, 0, 1); |
1121f96b | 7676 | |
86e5f097 | 7677 | /* If standard_startfile_prefix is relative, base it on |
7678 | standard_exec_prefix. This lets us move the installed tree | |
7679 | as a unit. If GCC_EXEC_PREFIX is defined, base | |
1fbb4a86 | 7680 | standard_startfile_prefix on that as well. |
7681 | ||
7682 | If the prefix is relative, only search it for native compilers; | |
7683 | otherwise we will search a directory containing host libraries. */ | |
a5c088d4 | 7684 | if (IS_ABSOLUTE_PATH (standard_startfile_prefix)) |
805e22b2 | 7685 | add_sysrooted_prefix (&startfile_prefixes, |
7686 | standard_startfile_prefix, "BINUTILS", | |
2af84186 | 7687 | PREFIX_PRIORITY_LAST, 0, 1); |
1fbb4a86 | 7688 | else if (*cross_compile == '0') |
86e5f097 | 7689 | { |
b9374a77 | 7690 | add_prefix (&startfile_prefixes, |
48e1416a | 7691 | concat (gcc_exec_prefix |
7692 | ? gcc_exec_prefix : standard_exec_prefix, | |
7693 | machine_suffix, | |
4e2023c8 | 7694 | standard_startfile_prefix, NULL), |
2af84186 | 7695 | NULL, PREFIX_PRIORITY_LAST, 0, 1); |
2c815aff | 7696 | } |
86e5f097 | 7697 | |
c4328bcc | 7698 | /* Sysrooted prefixes are relocated because target_system_root is |
7699 | also relocated by gcc_exec_prefix. */ | |
3c2ba0de | 7700 | if (*standard_startfile_prefix_1) |
7701 | add_sysrooted_prefix (&startfile_prefixes, | |
7702 | standard_startfile_prefix_1, "BINUTILS", | |
2af84186 | 7703 | PREFIX_PRIORITY_LAST, 0, 1); |
3c2ba0de | 7704 | if (*standard_startfile_prefix_2) |
7705 | add_sysrooted_prefix (&startfile_prefixes, | |
7706 | standard_startfile_prefix_2, "BINUTILS", | |
2af84186 | 7707 | PREFIX_PRIORITY_LAST, 0, 1); |
a45072dd | 7708 | } |
4ae4e5e8 | 7709 | |
c15af0eb | 7710 | /* Process any user specified specs in the order given on the command |
7711 | line. */ | |
cf8104ca | 7712 | for (struct user_specs *uptr = user_specs_head; uptr; uptr = uptr->next) |
c15af0eb | 7713 | { |
c954ff02 | 7714 | char *filename = find_a_file (&startfile_prefixes, uptr->filename, |
067277c3 | 7715 | R_OK, true); |
556cfe53 | 7716 | read_specs (filename ? filename : uptr->filename, false, true); |
c15af0eb | 7717 | } |
7718 | ||
bd3ce038 | 7719 | /* Process any user self specs. */ |
7720 | { | |
7721 | struct spec_list *sl; | |
7722 | for (sl = specs; sl; sl = sl->next) | |
7723 | if (sl->name_len == sizeof "self_spec" - 1 | |
7724 | && !strcmp (sl->name, "self_spec")) | |
7725 | do_self_spec (*sl->ptr_spec); | |
7726 | } | |
7727 | ||
7728 | if (compare_debug) | |
7729 | { | |
7730 | enum save_temps save; | |
7731 | ||
7732 | if (!compare_debug_second) | |
7733 | { | |
7734 | n_switches_debug_check[1] = n_switches; | |
7735 | n_switches_alloc_debug_check[1] = n_switches_alloc; | |
7736 | switches_debug_check[1] = XDUPVEC (struct switchstr, switches, | |
7737 | n_switches_alloc); | |
7738 | ||
7739 | do_self_spec ("%:compare-debug-self-opt()"); | |
7740 | n_switches_debug_check[0] = n_switches; | |
7741 | n_switches_alloc_debug_check[0] = n_switches_alloc; | |
7742 | switches_debug_check[0] = switches; | |
7743 | ||
7744 | n_switches = n_switches_debug_check[1]; | |
7745 | n_switches_alloc = n_switches_alloc_debug_check[1]; | |
7746 | switches = switches_debug_check[1]; | |
7747 | } | |
7748 | ||
7749 | /* Avoid crash when computing %j in this early. */ | |
7750 | save = save_temps_flag; | |
7751 | save_temps_flag = SAVE_TEMPS_NONE; | |
7752 | ||
7753 | compare_debug = -compare_debug; | |
7754 | do_self_spec ("%:compare-debug-self-opt()"); | |
7755 | ||
7756 | save_temps_flag = save; | |
7757 | ||
7758 | if (!compare_debug_second) | |
7759 | { | |
7760 | n_switches_debug_check[1] = n_switches; | |
7761 | n_switches_alloc_debug_check[1] = n_switches_alloc; | |
7762 | switches_debug_check[1] = switches; | |
7763 | compare_debug = -compare_debug; | |
7764 | n_switches = n_switches_debug_check[0]; | |
7765 | n_switches_alloc = n_switches_debug_check[0]; | |
7766 | switches = switches_debug_check[0]; | |
7767 | } | |
7768 | } | |
7769 | ||
7770 | ||
533d7727 | 7771 | /* If we have a GCC_EXEC_PREFIX envvar, modify it for cpp's sake. */ |
7772 | if (gcc_exec_prefix) | |
77415571 | 7773 | gcc_exec_prefix = concat (gcc_exec_prefix, spec_host_machine, |
7774 | dir_separator_str, spec_version, | |
7775 | accel_dir_suffix, dir_separator_str, NULL); | |
a45072dd | 7776 | |
d7a9644e | 7777 | /* Now we have the specs. |
7778 | Set the `valid' bits for switches that match anything in any spec. */ | |
7779 | ||
7780 | validate_all_switches (); | |
7781 | ||
9577d478 | 7782 | /* Now that we have the switches and the specs, set |
7783 | the subdirectory based on the options. */ | |
7784 | set_multilib_dir (); | |
cf8104ca | 7785 | } |
7786 | ||
7787 | /* Set up to remember the pathname of gcc and any options | |
7788 | needed for collect. We use argv[0] instead of progname because | |
7789 | we need the complete pathname. */ | |
9577d478 | 7790 | |
cf8104ca | 7791 | void |
7792 | driver::putenv_COLLECT_GCC (const char *argv0) const | |
7793 | { | |
7bfefa9d | 7794 | obstack_init (&collect_obstack); |
7795 | obstack_grow (&collect_obstack, "COLLECT_GCC=", sizeof ("COLLECT_GCC=") - 1); | |
cf8104ca | 7796 | obstack_grow (&collect_obstack, argv0, strlen (argv0) + 1); |
7bfefa9d | 7797 | xputenv (XOBFINISH (&collect_obstack, char *)); |
cf8104ca | 7798 | } |
7bfefa9d | 7799 | |
cf8104ca | 7800 | /* Set up to remember the pathname of the lto wrapper. */ |
7801 | ||
7802 | void | |
7803 | driver::maybe_putenv_COLLECT_LTO_WRAPPER () const | |
7804 | { | |
7805 | char *lto_wrapper_file; | |
7bfefa9d | 7806 | |
1d784785 | 7807 | if (have_c) |
7808 | lto_wrapper_file = NULL; | |
7809 | else | |
7810 | lto_wrapper_file = find_a_file (&exec_prefixes, "lto-wrapper", | |
7811 | X_OK, false); | |
a1051b02 | 7812 | if (lto_wrapper_file) |
7bfefa9d | 7813 | { |
40c059b1 | 7814 | lto_wrapper_file = convert_white_space (lto_wrapper_file); |
a1051b02 | 7815 | lto_wrapper_spec = lto_wrapper_file; |
7bfefa9d | 7816 | obstack_init (&collect_obstack); |
7817 | obstack_grow (&collect_obstack, "COLLECT_LTO_WRAPPER=", | |
7818 | sizeof ("COLLECT_LTO_WRAPPER=") - 1); | |
7819 | obstack_grow (&collect_obstack, lto_wrapper_spec, | |
7820 | strlen (lto_wrapper_spec) + 1); | |
7821 | xputenv (XOBFINISH (&collect_obstack, char *)); | |
7822 | } | |
7823 | ||
cf8104ca | 7824 | } |
d7a9644e | 7825 | |
77415571 | 7826 | /* Set up to remember the names of offload targets. */ |
7827 | ||
7828 | void | |
7829 | driver::maybe_putenv_OFFLOAD_TARGETS () const | |
7830 | { | |
daa8f58f | 7831 | if (offload_targets && offload_targets[0] != '\0') |
77415571 | 7832 | { |
7833 | obstack_grow (&collect_obstack, "OFFLOAD_TARGET_NAMES=", | |
7834 | sizeof ("OFFLOAD_TARGET_NAMES=") - 1); | |
daa8f58f | 7835 | obstack_grow (&collect_obstack, offload_targets, |
7836 | strlen (offload_targets) + 1); | |
77415571 | 7837 | xputenv (XOBFINISH (&collect_obstack, char *)); |
7838 | } | |
38e21583 | 7839 | |
7840 | free (offload_targets); | |
daa8f58f | 7841 | offload_targets = NULL; |
77415571 | 7842 | } |
7843 | ||
cf8104ca | 7844 | /* Reject switches that no pass was interested in. */ |
7845 | ||
7846 | void | |
da7d5066 | 7847 | driver::handle_unrecognized_options () |
cf8104ca | 7848 | { |
7849 | for (size_t i = 0; (int) i < n_switches; i++) | |
be2828ce | 7850 | if (! switches[i].validated) |
b279775f | 7851 | { |
2abdff38 | 7852 | const char *hint = m_option_proposer.suggest_option (switches[i].part1); |
b279775f | 7853 | if (hint) |
62c34df8 | 7854 | error ("unrecognized command-line option %<-%s%>;" |
b279775f | 7855 | " did you mean %<-%s%>?", |
7856 | switches[i].part1, hint); | |
7857 | else | |
62c34df8 | 7858 | error ("unrecognized command-line option %<-%s%>", |
b279775f | 7859 | switches[i].part1); |
7860 | } | |
cf8104ca | 7861 | } |
d7a9644e | 7862 | |
cf8104ca | 7863 | /* Handle the various -print-* options, returning 0 if the driver |
7864 | should exit, or nonzero if the driver should continue. */ | |
1c1a1c70 | 7865 | |
cf8104ca | 7866 | int |
7867 | driver::maybe_print_and_exit () const | |
7868 | { | |
71cee7b1 | 7869 | if (print_search_dirs) |
7870 | { | |
c4328bcc | 7871 | printf (_("install: %s%s\n"), |
7872 | gcc_exec_prefix ? gcc_exec_prefix : standard_exec_prefix, | |
7873 | gcc_exec_prefix ? "" : machine_suffix); | |
067277c3 | 7874 | printf (_("programs: %s\n"), |
7875 | build_search_list (&exec_prefixes, "", false, false)); | |
7876 | printf (_("libraries: %s\n"), | |
7877 | build_search_list (&startfile_prefixes, "", false, true)); | |
7f0b0c27 | 7878 | return (0); |
71cee7b1 | 7879 | } |
7880 | ||
1c1a1c70 | 7881 | if (print_file_name) |
5e3dea2b | 7882 | { |
1c1a1c70 | 7883 | printf ("%s\n", find_file (print_file_name)); |
7f0b0c27 | 7884 | return (0); |
5e3dea2b | 7885 | } |
7886 | ||
1c1a1c70 | 7887 | if (print_prog_name) |
7888 | { | |
c75e4990 | 7889 | if (use_ld != NULL && ! strcmp (print_prog_name, "ld")) |
7890 | { | |
47ae02b7 | 7891 | /* Append USE_LD to the default linker. */ |
c75e4990 | 7892 | #ifdef DEFAULT_LINKER |
7893 | char *ld; | |
7894 | # ifdef HAVE_HOST_EXECUTABLE_SUFFIX | |
7895 | int len = (sizeof (DEFAULT_LINKER) | |
7896 | - sizeof (HOST_EXECUTABLE_SUFFIX)); | |
7897 | ld = NULL; | |
7898 | if (len > 0) | |
7899 | { | |
7900 | char *default_linker = xstrdup (DEFAULT_LINKER); | |
7901 | /* Strip HOST_EXECUTABLE_SUFFIX if DEFAULT_LINKER contains | |
7902 | HOST_EXECUTABLE_SUFFIX. */ | |
7903 | if (! strcmp (&default_linker[len], HOST_EXECUTABLE_SUFFIX)) | |
7904 | { | |
7905 | default_linker[len] = '\0'; | |
7906 | ld = concat (default_linker, use_ld, | |
7907 | HOST_EXECUTABLE_SUFFIX, NULL); | |
7908 | } | |
7909 | } | |
7910 | if (ld == NULL) | |
7911 | # endif | |
7912 | ld = concat (DEFAULT_LINKER, use_ld, NULL); | |
7913 | if (access (ld, X_OK) == 0) | |
7914 | { | |
7915 | printf ("%s\n", ld); | |
7916 | return (0); | |
7917 | } | |
7918 | #endif | |
7919 | print_prog_name = concat (print_prog_name, use_ld, NULL); | |
7920 | } | |
c954ff02 | 7921 | char *newname = find_a_file (&exec_prefixes, print_prog_name, X_OK, 0); |
1c1a1c70 | 7922 | printf ("%s\n", (newname ? newname : print_prog_name)); |
7f0b0c27 | 7923 | return (0); |
1c1a1c70 | 7924 | } |
d7a9644e | 7925 | |
9577d478 | 7926 | if (print_multi_lib) |
7927 | { | |
7928 | print_multilib_info (); | |
7f0b0c27 | 7929 | return (0); |
9577d478 | 7930 | } |
7931 | ||
7932 | if (print_multi_directory) | |
7933 | { | |
7934 | if (multilib_dir == NULL) | |
7935 | printf (".\n"); | |
7936 | else | |
7937 | printf ("%s\n", multilib_dir); | |
7f0b0c27 | 7938 | return (0); |
9577d478 | 7939 | } |
7940 | ||
77adc39e | 7941 | if (print_multiarch) |
7942 | { | |
7943 | if (multiarch_dir == NULL) | |
7944 | printf ("\n"); | |
7945 | else | |
7946 | printf ("%s\n", multiarch_dir); | |
7947 | return (0); | |
7948 | } | |
7949 | ||
098cc23f | 7950 | if (print_sysroot) |
7951 | { | |
7952 | if (target_system_root) | |
7953 | { | |
7954 | if (target_sysroot_suffix) | |
7955 | printf ("%s%s\n", target_system_root, target_sysroot_suffix); | |
7956 | else | |
7957 | printf ("%s\n", target_system_root); | |
7958 | } | |
7959 | return (0); | |
7960 | } | |
7961 | ||
c954ff02 | 7962 | if (print_multi_os_directory) |
7963 | { | |
7964 | if (multilib_os_dir == NULL) | |
7965 | printf (".\n"); | |
7966 | else | |
7967 | printf ("%s\n", multilib_os_dir); | |
7968 | return (0); | |
7969 | } | |
7970 | ||
6ea4242f | 7971 | if (print_sysroot_headers_suffix) |
7972 | { | |
7973 | if (*sysroot_hdrs_suffix_spec) | |
7974 | { | |
021d874e | 7975 | printf("%s\n", (target_sysroot_hdrs_suffix |
7976 | ? target_sysroot_hdrs_suffix | |
7977 | : "")); | |
6ea4242f | 7978 | return (0); |
7979 | } | |
7980 | else | |
7981 | /* The error status indicates that only one set of fixed | |
7982 | headers should be built. */ | |
c05be867 | 7983 | fatal_error (input_location, |
7984 | "not configured with sysroot headers suffix"); | |
6ea4242f | 7985 | } |
7986 | ||
8ace789a | 7987 | if (print_help_list) |
7988 | { | |
7989 | display_help (); | |
7990 | ||
7991 | if (! verbose_flag) | |
7992 | { | |
a4db0a1d | 7993 | printf (_("\nFor bug reporting instructions, please see:\n")); |
4b5ee00b | 7994 | printf ("%s.\n", bug_report_url); |
2c815aff | 7995 | |
7f0b0c27 | 7996 | return (0); |
8ace789a | 7997 | } |
7998 | ||
7999 | /* We do not exit here. Instead we have created a fake input file | |
8000 | called 'help-dummy' which needs to be compiled, and we pass this | |
0445c349 | 8001 | on the various sub-processes, along with the --help switch. |
8002 | Ensure their output appears after ours. */ | |
8003 | fputc ('\n', stdout); | |
8004 | fflush (stdout); | |
8ace789a | 8005 | } |
2c815aff | 8006 | |
39932bd2 | 8007 | if (print_version) |
8008 | { | |
460b8bb3 | 8009 | printf (_("%s %s%s\n"), progname, pkgversion_string, |
39932bd2 | 8010 | version_string); |
3d8932fd | 8011 | printf ("Copyright %s 2019 Free Software Foundation, Inc.\n", |
39932bd2 | 8012 | _("(C)")); |
8013 | fputs (_("This is free software; see the source for copying conditions. There is NO\n\ | |
8014 | warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"), | |
8015 | stdout); | |
8016 | if (! verbose_flag) | |
8017 | return 0; | |
8018 | ||
8019 | /* We do not exit here. We use the same mechanism of --help to print | |
8020 | the version of the sub-processes. */ | |
8021 | fputc ('\n', stdout); | |
8022 | fflush (stdout); | |
8023 | } | |
8024 | ||
d7a9644e | 8025 | if (verbose_flag) |
8026 | { | |
a31e9496 | 8027 | print_configuration (stderr); |
d7a9644e | 8028 | if (n_infiles == 0) |
7f0b0c27 | 8029 | return (0); |
d7a9644e | 8030 | } |
8031 | ||
cf8104ca | 8032 | return 1; |
8033 | } | |
8034 | ||
8035 | /* Figure out what to do with each input file. | |
8036 | Return true if we need to exit early from "main", false otherwise. */ | |
8037 | ||
8038 | bool | |
8039 | driver::prepare_infiles () | |
8040 | { | |
8041 | size_t i; | |
8042 | int lang_n_infiles = 0; | |
8043 | ||
9e56255a | 8044 | if (n_infiles == added_libraries) |
c05be867 | 8045 | fatal_error (input_location, "no input files"); |
d7a9644e | 8046 | |
5585cfe8 | 8047 | if (seen_error ()) |
cf8104ca | 8048 | /* Early exit needed from main. */ |
8049 | return true; | |
5585cfe8 | 8050 | |
d7a9644e | 8051 | /* Make a place to record the compiler output file names |
8052 | that correspond to the input files. */ | |
8053 | ||
f9b7c0b9 | 8054 | i = n_infiles; |
5272ae11 | 8055 | i += lang_specific_extra_outfiles; |
4c36ffe6 | 8056 | outfiles = XCNEWVEC (const char *, i); |
d7a9644e | 8057 | |
8058 | /* Record which files were specified explicitly as link input. */ | |
8059 | ||
468329f6 | 8060 | explicit_link_files = XCNEWVEC (char, n_infiles); |
d7a9644e | 8061 | |
9dbb005d | 8062 | combine_inputs = have_o || flag_wpa; |
dc1dd09b | 8063 | |
8064 | for (i = 0; (int) i < n_infiles; i++) | |
40109983 | 8065 | { |
dc1dd09b | 8066 | const char *name = infiles[i].name; |
2f2c6aee | 8067 | struct compiler *compiler = lookup_compiler (name, |
8068 | strlen (name), | |
dc1dd09b | 8069 | infiles[i].language); |
2f2c6aee | 8070 | |
dc1dd09b | 8071 | if (compiler && !(compiler->combinable)) |
8072 | combine_inputs = false; | |
2f2c6aee | 8073 | |
dc1dd09b | 8074 | if (lang_n_infiles > 0 && compiler != input_file_compiler |
8075 | && infiles[i].language && infiles[i].language[0] != '*') | |
8076 | infiles[i].incompiler = compiler; | |
8077 | else if (compiler) | |
8078 | { | |
8079 | lang_n_infiles++; | |
8080 | input_file_compiler = compiler; | |
8081 | infiles[i].incompiler = compiler; | |
8082 | } | |
8083 | else | |
8084 | { | |
8085 | /* Since there is no compiler for this input file, assume it is a | |
0bed3869 | 8086 | linker file. */ |
dc1dd09b | 8087 | explicit_link_files[i] = 1; |
8088 | infiles[i].incompiler = NULL; | |
8089 | } | |
8090 | infiles[i].compiled = false; | |
8091 | infiles[i].preprocessed = false; | |
40109983 | 8092 | } |
1e8e9920 | 8093 | |
1c15f131 | 8094 | if (!combine_inputs && have_c && have_o && lang_n_infiles > 1) |
c05be867 | 8095 | fatal_error (input_location, |
2f6d557f | 8096 | "cannot specify %<-o%> with %<-c%>, %<-S%> or %<-E%> " |
8097 | "with multiple files"); | |
dc1dd09b | 8098 | |
cf8104ca | 8099 | /* No early exit needed from main; we can continue. */ |
8100 | return false; | |
8101 | } | |
8102 | ||
8103 | /* Run the spec machinery on each input file. */ | |
8104 | ||
8105 | void | |
8106 | driver::do_spec_on_infiles () const | |
8107 | { | |
8108 | size_t i; | |
8109 | ||
dc1dd09b | 8110 | for (i = 0; (int) i < n_infiles; i++) |
d7a9644e | 8111 | { |
d7a9644e | 8112 | int this_file_error = 0; |
8113 | ||
8114 | /* Tell do_spec what to substitute for %i. */ | |
8115 | ||
d7a9644e | 8116 | input_file_number = i; |
397f1574 | 8117 | set_input (infiles[i].name); |
d7a9644e | 8118 | |
dc1dd09b | 8119 | if (infiles[i].compiled) |
8120 | continue; | |
8121 | ||
d7a9644e | 8122 | /* Use the same thing in %o, unless cp->spec says otherwise. */ |
8123 | ||
460b8bb3 | 8124 | outfiles[i] = gcc_input_filename; |
d7a9644e | 8125 | |
8126 | /* Figure out which compiler from the file's suffix. */ | |
8127 | ||
78d063c8 | 8128 | input_file_compiler |
8129 | = lookup_compiler (infiles[i].name, input_filename_length, | |
8130 | infiles[i].language); | |
3cfec666 | 8131 | |
96842e40 | 8132 | if (input_file_compiler) |
d7a9644e | 8133 | { |
8134 | /* Ok, we found an applicable compiler. Run its spec. */ | |
d7a9644e | 8135 | |
96842e40 | 8136 | if (input_file_compiler->spec[0] == '#') |
ce52dcfa | 8137 | { |
8138 | error ("%s: %s compiler not installed on this system", | |
460b8bb3 | 8139 | gcc_input_filename, &input_file_compiler->spec[1]); |
ce52dcfa | 8140 | this_file_error = 1; |
8141 | } | |
8142 | else | |
8143 | { | |
cf8104ca | 8144 | int value; |
8145 | ||
71278019 | 8146 | if (compare_debug) |
8147 | { | |
dd045aee | 8148 | free (debug_check_temp_file[0]); |
71278019 | 8149 | debug_check_temp_file[0] = NULL; |
8150 | ||
dd045aee | 8151 | free (debug_check_temp_file[1]); |
71278019 | 8152 | debug_check_temp_file[1] = NULL; |
8153 | } | |
8154 | ||
ce52dcfa | 8155 | value = do_spec (input_file_compiler->spec); |
dc1dd09b | 8156 | infiles[i].compiled = true; |
ce52dcfa | 8157 | if (value < 0) |
e40d30f5 | 8158 | this_file_error = 1; |
71278019 | 8159 | else if (compare_debug && debug_check_temp_file[0]) |
8160 | { | |
8161 | if (verbose_flag) | |
3b6578b3 | 8162 | inform (UNKNOWN_LOCATION, |
2f6d557f | 8163 | "recompiling with %<-fcompare-debug%>"); |
71278019 | 8164 | |
8165 | compare_debug = -compare_debug; | |
8166 | n_switches = n_switches_debug_check[1]; | |
4ff887c5 | 8167 | n_switches_alloc = n_switches_alloc_debug_check[1]; |
71278019 | 8168 | switches = switches_debug_check[1]; |
8169 | ||
8170 | value = do_spec (input_file_compiler->spec); | |
8171 | ||
8172 | compare_debug = -compare_debug; | |
8173 | n_switches = n_switches_debug_check[0]; | |
4ff887c5 | 8174 | n_switches_alloc = n_switches_alloc_debug_check[0]; |
71278019 | 8175 | switches = switches_debug_check[0]; |
8176 | ||
8177 | if (value < 0) | |
8178 | { | |
2f6d557f | 8179 | error ("during %<-fcompare-debug%> recompilation"); |
71278019 | 8180 | this_file_error = 1; |
8181 | } | |
8182 | ||
8183 | gcc_assert (debug_check_temp_file[1] | |
82715bcd | 8184 | && filename_cmp (debug_check_temp_file[0], |
8185 | debug_check_temp_file[1])); | |
71278019 | 8186 | |
8187 | if (verbose_flag) | |
3b6578b3 | 8188 | inform (UNKNOWN_LOCATION, "comparing final insns dumps"); |
71278019 | 8189 | |
8190 | if (compare_files (debug_check_temp_file)) | |
8191 | this_file_error = 1; | |
8192 | } | |
8193 | ||
8194 | if (compare_debug) | |
8195 | { | |
dd045aee | 8196 | free (debug_check_temp_file[0]); |
71278019 | 8197 | debug_check_temp_file[0] = NULL; |
8198 | ||
dd045aee | 8199 | free (debug_check_temp_file[1]); |
71278019 | 8200 | debug_check_temp_file[1] = NULL; |
8201 | } | |
ce52dcfa | 8202 | } |
d7a9644e | 8203 | } |
8204 | ||
8205 | /* If this file's name does not contain a recognized suffix, | |
8206 | record it as explicit linker input. */ | |
8207 | ||
8208 | else | |
8209 | explicit_link_files[i] = 1; | |
8210 | ||
8211 | /* Clear the delete-on-failure queue, deleting the files in it | |
8212 | if this compilation failed. */ | |
8213 | ||
8214 | if (this_file_error) | |
8215 | { | |
8216 | delete_failure_queue (); | |
460b8bb3 | 8217 | errorcount++; |
d7a9644e | 8218 | } |
8219 | /* If this compilation succeeded, don't delete those files later. */ | |
8220 | clear_failure_queue (); | |
8221 | } | |
8222 | ||
fbf54d9a | 8223 | /* Reset the input file name to the first compile/object file name, for use |
8224 | with %b in LINK_SPEC. We use the first input file that we can find | |
2f2c6aee | 8225 | a compiler to compile it instead of using infiles.language since for |
fbf54d9a | 8226 | languages other than C we use aliases that we then lookup later. */ |
397f1574 | 8227 | if (n_infiles > 0) |
fbf54d9a | 8228 | { |
8229 | int i; | |
8230 | ||
8231 | for (i = 0; i < n_infiles ; i++) | |
02d52d9e | 8232 | if (infiles[i].incompiler |
8233 | || (infiles[i].language && infiles[i].language[0] != '*')) | |
fbf54d9a | 8234 | { |
8235 | set_input (infiles[i].name); | |
8236 | break; | |
8237 | } | |
8238 | } | |
397f1574 | 8239 | |
460b8bb3 | 8240 | if (!seen_error ()) |
2b191381 | 8241 | { |
8242 | /* Make sure INPUT_FILE_NUMBER points to first available open | |
8243 | slot. */ | |
8244 | input_file_number = n_infiles; | |
8245 | if (lang_specific_pre_link ()) | |
460b8bb3 | 8246 | errorcount++; |
2b191381 | 8247 | } |
cf8104ca | 8248 | } |
8249 | ||
8250 | /* If we have to run the linker, do it now. */ | |
8251 | ||
8252 | void | |
8253 | driver::maybe_run_linker (const char *argv0) const | |
8254 | { | |
8255 | size_t i; | |
8256 | int linker_was_run = 0; | |
8257 | int num_linker_inputs; | |
f9b7c0b9 | 8258 | |
573aba85 | 8259 | /* Determine if there are any linker input files. */ |
8260 | num_linker_inputs = 0; | |
8261 | for (i = 0; (int) i < n_infiles; i++) | |
8262 | if (explicit_link_files[i] || outfiles[i] != NULL) | |
8263 | num_linker_inputs++; | |
8264 | ||
d7a9644e | 8265 | /* Run ld to link all the compiler output files. */ |
8266 | ||
460b8bb3 | 8267 | if (num_linker_inputs > 0 && !seen_error () && print_subprocess_help < 2) |
d7a9644e | 8268 | { |
8269 | int tmp = execution_count; | |
1d784785 | 8270 | |
e63ca557 | 8271 | detect_jobserver (); |
8272 | ||
1d784785 | 8273 | if (! have_c) |
8274 | { | |
c5f741b3 | 8275 | #if HAVE_LTO_PLUGIN > 0 |
8276 | #if HAVE_LTO_PLUGIN == 2 | |
1d784785 | 8277 | const char *fno_use_linker_plugin = "fno-use-linker-plugin"; |
de4d280b | 8278 | #else |
1d784785 | 8279 | const char *fuse_linker_plugin = "fuse-linker-plugin"; |
c5f741b3 | 8280 | #endif |
de4d280b | 8281 | #endif |
8894538a | 8282 | |
1d784785 | 8283 | /* We'll use ld if we can't find collect2. */ |
8284 | if (! strcmp (linker_name_spec, "collect2")) | |
8285 | { | |
8286 | char *s = find_a_file (&exec_prefixes, "collect2", X_OK, false); | |
8287 | if (s == NULL) | |
8288 | linker_name_spec = "ld"; | |
8289 | } | |
7bfefa9d | 8290 | |
c5f741b3 | 8291 | #if HAVE_LTO_PLUGIN > 0 |
8292 | #if HAVE_LTO_PLUGIN == 2 | |
1d784785 | 8293 | if (!switch_matches (fno_use_linker_plugin, |
8294 | fno_use_linker_plugin | |
8295 | + strlen (fno_use_linker_plugin), 0)) | |
de4d280b | 8296 | #else |
1d784785 | 8297 | if (switch_matches (fuse_linker_plugin, |
8298 | fuse_linker_plugin | |
8299 | + strlen (fuse_linker_plugin), 0)) | |
de4d280b | 8300 | #endif |
1d784785 | 8301 | { |
40c059b1 | 8302 | char *temp_spec = find_a_file (&exec_prefixes, |
8303 | LTOPLUGINSONAME, R_OK, | |
8304 | false); | |
8305 | if (!temp_spec) | |
c05be867 | 8306 | fatal_error (input_location, |
2f6d557f | 8307 | "%<-fuse-linker-plugin%>, but %s not found", |
1d784785 | 8308 | LTOPLUGINSONAME); |
40c059b1 | 8309 | linker_plugin_file_spec = convert_white_space (temp_spec); |
1d784785 | 8310 | } |
c5f741b3 | 8311 | #endif |
cf8104ca | 8312 | lto_gcc_spec = argv0; |
1d784785 | 8313 | } |
7bfefa9d | 8314 | |
8894538a | 8315 | /* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables |
8316 | for collect. */ | |
067277c3 | 8317 | putenv_from_prefixes (&exec_prefixes, "COMPILER_PATH", false); |
8318 | putenv_from_prefixes (&startfile_prefixes, LIBRARY_PATH_ENV, true); | |
8894538a | 8319 | |
ceac8e8c | 8320 | if (print_subprocess_help == 1) |
8321 | { | |
8322 | printf (_("\nLinker options\n==============\n\n")); | |
8323 | printf (_("Use \"-Wl,OPTION\" to pass \"OPTION\"" | |
8324 | " to the linker.\n\n")); | |
8325 | fflush (stdout); | |
8326 | } | |
cf8104ca | 8327 | int value = do_spec (link_command_spec); |
d7a9644e | 8328 | if (value < 0) |
460b8bb3 | 8329 | errorcount = 1; |
d7a9644e | 8330 | linker_was_run = (tmp != execution_count); |
8331 | } | |
8332 | ||
d7a9644e | 8333 | /* If options said don't run linker, |
8334 | complain about input files to be given to the linker. */ | |
8335 | ||
460b8bb3 | 8336 | if (! linker_was_run && !seen_error ()) |
026f2c7a | 8337 | for (i = 0; (int) i < n_infiles; i++) |
3293d046 | 8338 | if (explicit_link_files[i] |
8339 | && !(infiles[i].language && infiles[i].language[0] == '*')) | |
a922df2e | 8340 | warning (0, "%s: linker input file unused because linking not done", |
8341 | outfiles[i]); | |
cf8104ca | 8342 | } |
8343 | ||
8344 | /* The end of "main". */ | |
d7a9644e | 8345 | |
cf8104ca | 8346 | void |
8347 | driver::final_actions () const | |
8348 | { | |
d7a9644e | 8349 | /* Delete some or all of the temporary files we made. */ |
8350 | ||
460b8bb3 | 8351 | if (seen_error ()) |
d7a9644e | 8352 | delete_failure_queue (); |
8353 | delete_temp_files (); | |
8354 | ||
8ace789a | 8355 | if (print_help_list) |
8356 | { | |
a4db0a1d | 8357 | printf (("\nFor bug reporting instructions, please see:\n")); |
4b5ee00b | 8358 | printf ("%s\n", bug_report_url); |
8ace789a | 8359 | } |
cf8104ca | 8360 | } |
2c815aff | 8361 | |
e63ca557 | 8362 | /* Detect whether jobserver is active and working. If not drop |
8363 | --jobserver-auth from MAKEFLAGS. */ | |
8364 | ||
8365 | void | |
8366 | driver::detect_jobserver () const | |
8367 | { | |
8368 | /* Detect jobserver and drop it if it's not working. */ | |
8369 | const char *makeflags = env.get ("MAKEFLAGS"); | |
8370 | if (makeflags != NULL) | |
8371 | { | |
8372 | const char *needle = "--jobserver-auth="; | |
8373 | const char *n = strstr (makeflags, needle); | |
8374 | if (n != NULL) | |
8375 | { | |
8376 | int rfd = -1; | |
8377 | int wfd = -1; | |
8378 | ||
8379 | bool jobserver | |
8380 | = (sscanf (n + strlen (needle), "%d,%d", &rfd, &wfd) == 2 | |
8381 | && rfd > 0 | |
8382 | && wfd > 0 | |
d25b1154 | 8383 | && is_valid_fd (rfd) |
8384 | && is_valid_fd (wfd)); | |
e63ca557 | 8385 | |
8386 | /* Drop the jobserver if it's not working now. */ | |
8387 | if (!jobserver) | |
8388 | { | |
8389 | unsigned offset = n - makeflags; | |
8390 | char *dup = xstrdup (makeflags); | |
8391 | dup[offset] = '\0'; | |
8392 | ||
8393 | const char *space = strchr (makeflags + offset, ' '); | |
8394 | if (space != NULL) | |
8395 | strcpy (dup + offset, space); | |
8396 | xputenv (concat ("MAKEFLAGS=", dup, NULL)); | |
8397 | } | |
8398 | } | |
8399 | } | |
8400 | } | |
8401 | ||
cf8104ca | 8402 | /* Determine what the exit code of the driver should be. */ |
8403 | ||
8404 | int | |
8405 | driver::get_exit_code () const | |
8406 | { | |
155b05dc | 8407 | return (signal_count != 0 ? 2 |
460b8bb3 | 8408 | : seen_error () ? (pass_exit_codes ? greatest_status : 1) |
155b05dc | 8409 | : 0); |
d7a9644e | 8410 | } |
8411 | ||
8412 | /* Find the proper compilation spec for the file name NAME, | |
a45072dd | 8413 | whose length is LENGTH. LANGUAGE is the specified language, |
997d68fe | 8414 | or 0 if this file is to be passed to the linker. */ |
d7a9644e | 8415 | |
8416 | static struct compiler * | |
952f0048 | 8417 | lookup_compiler (const char *name, size_t length, const char *language) |
d7a9644e | 8418 | { |
8419 | struct compiler *cp; | |
8420 | ||
d4ea3b1f | 8421 | /* If this was specified by the user to be a linker input, indicate that. */ |
997d68fe | 8422 | if (language != 0 && language[0] == '*') |
8423 | return 0; | |
8424 | ||
8425 | /* Otherwise, look for the language, if one is spec'd. */ | |
d7a9644e | 8426 | if (language != 0) |
8427 | { | |
8428 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
997d68fe | 8429 | if (cp->suffix[0] == '@' && !strcmp (cp->suffix + 1, language)) |
f6deeb21 | 8430 | { |
8431 | if (name != NULL && strcmp (name, "-") == 0 | |
8432 | && (strcmp (cp->suffix, "@c-header") == 0 | |
800e901e | 8433 | || strcmp (cp->suffix, "@c++-header") == 0) |
8434 | && !have_E) | |
f6deeb21 | 8435 | fatal_error (input_location, |
8436 | "cannot use %<-%> as input filename for a " | |
8437 | "precompiled header"); | |
8438 | ||
8439 | return cp; | |
8440 | } | |
997d68fe | 8441 | |
d7a9644e | 8442 | error ("language %s not recognized", language); |
997d68fe | 8443 | return 0; |
d7a9644e | 8444 | } |
8445 | ||
8446 | /* Look for a suffix. */ | |
8447 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
8448 | { | |
a3102c3c | 8449 | if (/* The suffix `-' matches only the file name `-'. */ |
8450 | (!strcmp (cp->suffix, "-") && !strcmp (name, "-")) | |
997d68fe | 8451 | || (strlen (cp->suffix) < length |
8452 | /* See if the suffix matches the end of NAME. */ | |
997d68fe | 8453 | && !strcmp (cp->suffix, |
8454 | name + length - strlen (cp->suffix)) | |
997d68fe | 8455 | )) |
3cfec666 | 8456 | break; |
22869eeb | 8457 | } |
997d68fe | 8458 | |
22869eeb | 8459 | #if defined (OS2) ||defined (HAVE_DOS_BASED_FILE_SYSTEM) |
aab2cf92 | 8460 | /* Look again, but case-insensitively this time. */ |
22869eeb | 8461 | if (cp < compilers) |
8462 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
8463 | { | |
8464 | if (/* The suffix `-' matches only the file name `-'. */ | |
8465 | (!strcmp (cp->suffix, "-") && !strcmp (name, "-")) | |
8466 | || (strlen (cp->suffix) < length | |
8467 | /* See if the suffix matches the end of NAME. */ | |
8468 | && ((!strcmp (cp->suffix, | |
8469 | name + length - strlen (cp->suffix)) | |
8470 | || !strpbrk (cp->suffix, "ABCDEFGHIJKLMNOPQRSTUVWXYZ")) | |
8471 | && !strcasecmp (cp->suffix, | |
8472 | name + length - strlen (cp->suffix))) | |
8473 | )) | |
8474 | break; | |
8475 | } | |
8476 | #endif | |
8477 | ||
22869eeb | 8478 | if (cp >= compilers) |
8479 | { | |
1cf79a1a | 8480 | if (cp->spec[0] != '@') |
8481 | /* A non-alias entry: return it. */ | |
8482 | return cp; | |
2c815aff | 8483 | |
1cf79a1a | 8484 | /* An alias entry maps a suffix to a language. |
8485 | Search for the language; pass 0 for NAME and LENGTH | |
8486 | to avoid infinite recursion if language not found. */ | |
d946ea19 | 8487 | return lookup_compiler (NULL, 0, cp->spec + 1); |
d7a9644e | 8488 | } |
d7a9644e | 8489 | return 0; |
8490 | } | |
8491 | \f | |
d7a9644e | 8492 | static char * |
952f0048 | 8493 | save_string (const char *s, int len) |
d7a9644e | 8494 | { |
4c36ffe6 | 8495 | char *result = XNEWVEC (char, len + 1); |
d7a9644e | 8496 | |
b3532bc1 | 8497 | gcc_checking_assert (strlen (s) >= (unsigned int) len); |
d5130039 | 8498 | memcpy (result, s, len); |
d7a9644e | 8499 | result[len] = 0; |
8500 | return result; | |
8501 | } | |
8502 | ||
d7a9644e | 8503 | \f |
805e22b2 | 8504 | static inline void |
556cfe53 | 8505 | validate_switches_from_spec (const char *spec, bool user) |
805e22b2 | 8506 | { |
8507 | const char *p = spec; | |
8508 | char c; | |
8509 | while ((c = *p++)) | |
39bc186e | 8510 | if (c == '%' |
8511 | && (*p == '{' | |
8512 | || *p == '<' | |
8513 | || (*p == 'W' && *++p == '{') | |
8514 | || (*p == '@' && *++p == '{'))) | |
805e22b2 | 8515 | /* We have a switch spec. */ |
556cfe53 | 8516 | p = validate_switches (p + 1, user); |
805e22b2 | 8517 | } |
8518 | ||
d7a9644e | 8519 | static void |
952f0048 | 8520 | validate_all_switches (void) |
d7a9644e | 8521 | { |
8522 | struct compiler *comp; | |
8894538a | 8523 | struct spec_list *spec; |
d7a9644e | 8524 | |
1cf79a1a | 8525 | for (comp = compilers; comp->spec; comp++) |
556cfe53 | 8526 | validate_switches_from_spec (comp->spec, false); |
d7a9644e | 8527 | |
d4ea3b1f | 8528 | /* Look through the linked list of specs read from the specs file. */ |
026f2c7a | 8529 | for (spec = specs; spec; spec = spec->next) |
556cfe53 | 8530 | validate_switches_from_spec (*spec->ptr_spec, spec->user_p); |
8894538a | 8531 | |
556cfe53 | 8532 | validate_switches_from_spec (link_command_spec, false); |
d7a9644e | 8533 | } |
8534 | ||
8535 | /* Look at the switch-name that comes after START | |
8536 | and mark as valid all supplied switches that match it. */ | |
8537 | ||
805e22b2 | 8538 | static const char * |
556cfe53 | 8539 | validate_switches (const char *start, bool user_spec) |
d7a9644e | 8540 | { |
19cb6b50 | 8541 | const char *p = start; |
805e22b2 | 8542 | const char *atom; |
8543 | size_t len; | |
19cb6b50 | 8544 | int i; |
805e22b2 | 8545 | bool suffix = false; |
8546 | bool starred = false; | |
952f0048 | 8547 | |
805e22b2 | 8548 | #define SKIP_WHITE() do { while (*p == ' ' || *p == '\t') p++; } while (0) |
952f0048 | 8549 | |
dead3293 | 8550 | next_member: |
805e22b2 | 8551 | SKIP_WHITE (); |
8552 | ||
d7a9644e | 8553 | if (*p == '!') |
805e22b2 | 8554 | p++; |
d7a9644e | 8555 | |
805e22b2 | 8556 | SKIP_WHITE (); |
90e35d1a | 8557 | if (*p == '.' || *p == ',') |
805e22b2 | 8558 | suffix = true, p++; |
d7a9644e | 8559 | |
805e22b2 | 8560 | atom = p; |
8561 | while (ISIDNUM (*p) || *p == '-' || *p == '+' || *p == '=' | |
9a4a603c | 8562 | || *p == ',' || *p == '.' || *p == '@') |
026f2c7a | 8563 | p++; |
805e22b2 | 8564 | len = p - atom; |
d7a9644e | 8565 | |
805e22b2 | 8566 | if (*p == '*') |
8567 | starred = true, p++; | |
8568 | ||
8569 | SKIP_WHITE (); | |
8570 | ||
8571 | if (!suffix) | |
d7a9644e | 8572 | { |
8573 | /* Mark all matching switches as valid. */ | |
d7a9644e | 8574 | for (i = 0; i < n_switches; i++) |
805e22b2 | 8575 | if (!strncmp (switches[i].part1, atom, len) |
556cfe53 | 8576 | && (starred || switches[i].part1[len] == '\0') |
8577 | && (switches[i].known || user_spec)) | |
8578 | switches[i].validated = true; | |
d7a9644e | 8579 | } |
805e22b2 | 8580 | |
49aaac6f | 8581 | if (*p) p++; |
8582 | if (*p && (p[-1] == '|' || p[-1] == '&')) | |
805e22b2 | 8583 | goto next_member; |
8584 | ||
49aaac6f | 8585 | if (*p && p[-1] == ':') |
d7a9644e | 8586 | { |
805e22b2 | 8587 | while (*p && *p != ';' && *p != '}') |
d7a9644e | 8588 | { |
805e22b2 | 8589 | if (*p == '%') |
8590 | { | |
8591 | p++; | |
8592 | if (*p == '{' || *p == '<') | |
556cfe53 | 8593 | p = validate_switches (p+1, user_spec); |
805e22b2 | 8594 | else if (p[0] == 'W' && p[1] == '{') |
556cfe53 | 8595 | p = validate_switches (p+2, user_spec); |
39bc186e | 8596 | else if (p[0] == '@' && p[1] == '{') |
8597 | p = validate_switches (p+2, user_spec); | |
805e22b2 | 8598 | } |
41b8b07e | 8599 | else |
8600 | p++; | |
d7a9644e | 8601 | } |
805e22b2 | 8602 | |
49aaac6f | 8603 | if (*p) p++; |
8604 | if (*p && p[-1] == ';') | |
805e22b2 | 8605 | goto next_member; |
d7a9644e | 8606 | } |
dead3293 | 8607 | |
805e22b2 | 8608 | return p; |
8609 | #undef SKIP_WHITE | |
d7a9644e | 8610 | } |
9577d478 | 8611 | \f |
c954ff02 | 8612 | struct mdswitchstr |
8613 | { | |
8614 | const char *str; | |
8615 | int len; | |
8616 | }; | |
8617 | ||
8618 | static struct mdswitchstr *mdswitches; | |
8619 | static int n_mdswitches; | |
8620 | ||
3d97d965 | 8621 | /* Check whether a particular argument was used. The first time we |
ad87de1e | 8622 | canonicalize the switches to keep only the ones we care about. */ |
9577d478 | 8623 | |
251317e4 | 8624 | struct used_arg_t |
9577d478 | 8625 | { |
26a4a13d | 8626 | public: |
8627 | int operator () (const char *p, int len); | |
8628 | void finalize (); | |
8629 | ||
8630 | private: | |
d4ea3b1f | 8631 | struct mswitchstr |
8632 | { | |
e772a198 | 8633 | const char *str; |
8634 | const char *replace; | |
3d97d965 | 8635 | int len; |
8636 | int rep_len; | |
8637 | }; | |
8638 | ||
26a4a13d | 8639 | mswitchstr *mswitches; |
8640 | int n_mswitches; | |
8641 | ||
8642 | }; | |
8643 | ||
8644 | used_arg_t used_arg; | |
8645 | ||
8646 | int | |
8647 | used_arg_t::operator () (const char *p, int len) | |
8648 | { | |
3d97d965 | 8649 | int i, j; |
8650 | ||
8651 | if (!mswitches) | |
8652 | { | |
8653 | struct mswitchstr *matches; | |
e772a198 | 8654 | const char *q; |
d0fdc842 | 8655 | int cnt = 0; |
3d97d965 | 8656 | |
026f2c7a | 8657 | /* Break multilib_matches into the component strings of string |
8658 | and replacement string. */ | |
c4fa40de | 8659 | for (q = multilib_matches; *q != '\0'; q++) |
8660 | if (*q == ';') | |
3d97d965 | 8661 | cnt++; |
8662 | ||
25a1c410 | 8663 | matches |
8664 | = (struct mswitchstr *) alloca ((sizeof (struct mswitchstr)) * cnt); | |
3d97d965 | 8665 | i = 0; |
8666 | q = multilib_matches; | |
8667 | while (*q != '\0') | |
8668 | { | |
8669 | matches[i].str = q; | |
8670 | while (*q != ' ') | |
8671 | { | |
8672 | if (*q == '\0') | |
5e8f3c31 | 8673 | { |
8674 | invalid_matches: | |
c05be867 | 8675 | fatal_error (input_location, "multilib spec %qs is invalid", |
a922df2e | 8676 | multilib_matches); |
5e8f3c31 | 8677 | } |
3d97d965 | 8678 | q++; |
8679 | } | |
3d97d965 | 8680 | matches[i].len = q - matches[i].str; |
9577d478 | 8681 | |
3d97d965 | 8682 | matches[i].replace = ++q; |
8683 | while (*q != ';' && *q != '\0') | |
8684 | { | |
8685 | if (*q == ' ') | |
5e8f3c31 | 8686 | goto invalid_matches; |
3d97d965 | 8687 | q++; |
8688 | } | |
8689 | matches[i].rep_len = q - matches[i].replace; | |
8690 | i++; | |
401574b8 | 8691 | if (*q == ';') |
8692 | q++; | |
3d97d965 | 8693 | } |
9577d478 | 8694 | |
0a4dc6a9 | 8695 | /* Now build a list of the replacement string for switches that we care |
8696 | about. Make sure we allocate at least one entry. This prevents | |
8697 | xmalloc from calling fatal, and prevents us from re-executing this | |
8698 | block of code. */ | |
8699 | mswitches | |
4c36ffe6 | 8700 | = XNEWVEC (struct mswitchstr, n_mdswitches + (n_switches ? n_switches : 1)); |
3d97d965 | 8701 | for (i = 0; i < n_switches; i++) |
79d52444 | 8702 | if ((switches[i].live_cond & SWITCH_IGNORE) == 0) |
0c76b21e | 8703 | { |
8704 | int xlen = strlen (switches[i].part1); | |
8705 | for (j = 0; j < cnt; j++) | |
8706 | if (xlen == matches[j].len | |
8707 | && ! strncmp (switches[i].part1, matches[j].str, xlen)) | |
8708 | { | |
8709 | mswitches[n_mswitches].str = matches[j].replace; | |
8710 | mswitches[n_mswitches].len = matches[j].rep_len; | |
8711 | mswitches[n_mswitches].replace = (char *) 0; | |
8712 | mswitches[n_mswitches].rep_len = 0; | |
8713 | n_mswitches++; | |
8714 | break; | |
8715 | } | |
8716 | } | |
c954ff02 | 8717 | |
8718 | /* Add MULTILIB_DEFAULTS switches too, as long as they were not present | |
8719 | on the command line nor any options mutually incompatible with | |
8720 | them. */ | |
8721 | for (i = 0; i < n_mdswitches; i++) | |
8722 | { | |
8723 | const char *r; | |
8724 | ||
645f3563 | 8725 | for (q = multilib_options; *q != '\0'; *q && q++) |
c954ff02 | 8726 | { |
8727 | while (*q == ' ') | |
8728 | q++; | |
8729 | ||
8730 | r = q; | |
8731 | while (strncmp (q, mdswitches[i].str, mdswitches[i].len) != 0 | |
8732 | || strchr (" /", q[mdswitches[i].len]) == NULL) | |
8733 | { | |
8734 | while (*q != ' ' && *q != '/' && *q != '\0') | |
8735 | q++; | |
8736 | if (*q != '/') | |
8737 | break; | |
8738 | q++; | |
8739 | } | |
8740 | ||
8741 | if (*q != ' ' && *q != '\0') | |
8742 | { | |
8743 | while (*r != ' ' && *r != '\0') | |
8744 | { | |
8745 | q = r; | |
8746 | while (*q != ' ' && *q != '/' && *q != '\0') | |
8747 | q++; | |
8748 | ||
8749 | if (used_arg (r, q - r)) | |
8750 | break; | |
8751 | ||
8752 | if (*q != '/') | |
8753 | { | |
8754 | mswitches[n_mswitches].str = mdswitches[i].str; | |
8755 | mswitches[n_mswitches].len = mdswitches[i].len; | |
8756 | mswitches[n_mswitches].replace = (char *) 0; | |
8757 | mswitches[n_mswitches].rep_len = 0; | |
8758 | n_mswitches++; | |
8759 | break; | |
8760 | } | |
8761 | ||
8762 | r = q + 1; | |
8763 | } | |
8764 | break; | |
8765 | } | |
8766 | } | |
8767 | } | |
3d97d965 | 8768 | } |
48583106 | 8769 | |
3d97d965 | 8770 | for (i = 0; i < n_mswitches; i++) |
8771 | if (len == mswitches[i].len && ! strncmp (p, mswitches[i].str, len)) | |
8772 | return 1; | |
48583106 | 8773 | |
3d97d965 | 8774 | return 0; |
8775 | } | |
48583106 | 8776 | |
26a4a13d | 8777 | void used_arg_t::finalize () |
8778 | { | |
8779 | XDELETEVEC (mswitches); | |
8780 | mswitches = NULL; | |
8781 | n_mswitches = 0; | |
8782 | } | |
8783 | ||
8784 | ||
48583106 | 8785 | static int |
952f0048 | 8786 | default_arg (const char *p, int len) |
48583106 | 8787 | { |
c954ff02 | 8788 | int i; |
618c6dbb | 8789 | |
c954ff02 | 8790 | for (i = 0; i < n_mdswitches; i++) |
8791 | if (len == mdswitches[i].len && ! strncmp (p, mdswitches[i].str, len)) | |
8792 | return 1; | |
48583106 | 8793 | |
8794 | return 0; | |
8795 | } | |
8796 | ||
54518c3b | 8797 | /* Work out the subdirectory to use based on the options. The format of |
8798 | multilib_select is a list of elements. Each element is a subdirectory | |
8799 | name followed by a list of options followed by a semicolon. The format | |
8800 | of multilib_exclusions is the same, but without the preceding | |
8801 | directory. First gcc will check the exclusions, if none of the options | |
8802 | beginning with an exclamation point are present, and all of the other | |
8803 | options are present, then we will ignore this completely. Passing | |
8804 | that, gcc will consider each multilib_select in turn using the same | |
8805 | rules for matching the options. If a match is found, that subdirectory | |
77adc39e | 8806 | will be used. |
8807 | A subdirectory name is optionally followed by a colon and the corresponding | |
8808 | multiarch name. */ | |
9577d478 | 8809 | |
8810 | static void | |
952f0048 | 8811 | set_multilib_dir (void) |
9577d478 | 8812 | { |
e772a198 | 8813 | const char *p; |
d4ea3b1f | 8814 | unsigned int this_path_len; |
e772a198 | 8815 | const char *this_path, *this_arg; |
c954ff02 | 8816 | const char *start, *end; |
48583106 | 8817 | int not_arg; |
c954ff02 | 8818 | int ok, ndfltok, first; |
8819 | ||
8820 | n_mdswitches = 0; | |
8821 | start = multilib_defaults; | |
8822 | while (*start == ' ' || *start == '\t') | |
8823 | start++; | |
8824 | while (*start != '\0') | |
8825 | { | |
8826 | n_mdswitches++; | |
8827 | while (*start != ' ' && *start != '\t' && *start != '\0') | |
8828 | start++; | |
8829 | while (*start == ' ' || *start == '\t') | |
8830 | start++; | |
8831 | } | |
8832 | ||
8833 | if (n_mdswitches) | |
8834 | { | |
8835 | int i = 0; | |
8836 | ||
4c36ffe6 | 8837 | mdswitches = XNEWVEC (struct mdswitchstr, n_mdswitches); |
c954ff02 | 8838 | for (start = multilib_defaults; *start != '\0'; start = end + 1) |
8839 | { | |
8840 | while (*start == ' ' || *start == '\t') | |
8841 | start++; | |
8842 | ||
8843 | if (*start == '\0') | |
8844 | break; | |
952f0048 | 8845 | |
c954ff02 | 8846 | for (end = start + 1; |
8847 | *end != ' ' && *end != '\t' && *end != '\0'; end++) | |
8848 | ; | |
8849 | ||
8850 | obstack_grow (&multilib_obstack, start, end - start); | |
8851 | obstack_1grow (&multilib_obstack, 0); | |
4fac984f | 8852 | mdswitches[i].str = XOBFINISH (&multilib_obstack, const char *); |
c954ff02 | 8853 | mdswitches[i++].len = end - start; |
8854 | ||
8855 | if (*end == '\0') | |
8856 | break; | |
8857 | } | |
8858 | } | |
9577d478 | 8859 | |
54518c3b | 8860 | p = multilib_exclusions; |
8861 | while (*p != '\0') | |
8862 | { | |
8863 | /* Ignore newlines. */ | |
8864 | if (*p == '\n') | |
026f2c7a | 8865 | { |
8866 | ++p; | |
8867 | continue; | |
8868 | } | |
54518c3b | 8869 | |
8870 | /* Check the arguments. */ | |
8871 | ok = 1; | |
8872 | while (*p != ';') | |
026f2c7a | 8873 | { |
8874 | if (*p == '\0') | |
5e8f3c31 | 8875 | { |
8876 | invalid_exclusions: | |
c05be867 | 8877 | fatal_error (input_location, "multilib exclusions %qs is invalid", |
a922df2e | 8878 | multilib_exclusions); |
5e8f3c31 | 8879 | } |
026f2c7a | 8880 | |
8881 | if (! ok) | |
8882 | { | |
8883 | ++p; | |
8884 | continue; | |
8885 | } | |
8886 | ||
8887 | this_arg = p; | |
8888 | while (*p != ' ' && *p != ';') | |
8889 | { | |
8890 | if (*p == '\0') | |
5e8f3c31 | 8891 | goto invalid_exclusions; |
026f2c7a | 8892 | ++p; |
8893 | } | |
8894 | ||
8895 | if (*this_arg != '!') | |
8896 | not_arg = 0; | |
8897 | else | |
8898 | { | |
8899 | not_arg = 1; | |
8900 | ++this_arg; | |
8901 | } | |
2c815aff | 8902 | |
54518c3b | 8903 | ok = used_arg (this_arg, p - this_arg); |
8904 | if (not_arg) | |
8905 | ok = ! ok; | |
8906 | ||
026f2c7a | 8907 | if (*p == ' ') |
8908 | ++p; | |
8909 | } | |
54518c3b | 8910 | |
8911 | if (ok) | |
d4ea3b1f | 8912 | return; |
54518c3b | 8913 | |
8914 | ++p; | |
8915 | } | |
8916 | ||
c954ff02 | 8917 | first = 1; |
54518c3b | 8918 | p = multilib_select; |
7137cdac | 8919 | |
8920 | /* Append multilib reuse rules if any. With those rules, we can reuse | |
8921 | one multilib for certain different options sets. */ | |
8922 | if (strlen (multilib_reuse) > 0) | |
8923 | p = concat (p, multilib_reuse, NULL); | |
8924 | ||
9577d478 | 8925 | while (*p != '\0') |
8926 | { | |
8927 | /* Ignore newlines. */ | |
8928 | if (*p == '\n') | |
8929 | { | |
8930 | ++p; | |
8931 | continue; | |
8932 | } | |
8933 | ||
8934 | /* Get the initial path. */ | |
8935 | this_path = p; | |
8936 | while (*p != ' ') | |
8937 | { | |
8938 | if (*p == '\0') | |
5e8f3c31 | 8939 | { |
8940 | invalid_select: | |
c05be867 | 8941 | fatal_error (input_location, "multilib select %qs %qs is invalid", |
7137cdac | 8942 | multilib_select, multilib_reuse); |
5e8f3c31 | 8943 | } |
9577d478 | 8944 | ++p; |
8945 | } | |
8946 | this_path_len = p - this_path; | |
8947 | ||
8948 | /* Check the arguments. */ | |
48583106 | 8949 | ok = 1; |
c954ff02 | 8950 | ndfltok = 1; |
9577d478 | 8951 | ++p; |
8952 | while (*p != ';') | |
8953 | { | |
8954 | if (*p == '\0') | |
5e8f3c31 | 8955 | goto invalid_select; |
9577d478 | 8956 | |
48583106 | 8957 | if (! ok) |
9577d478 | 8958 | { |
8959 | ++p; | |
8960 | continue; | |
8961 | } | |
8962 | ||
8963 | this_arg = p; | |
8964 | while (*p != ' ' && *p != ';') | |
8965 | { | |
8966 | if (*p == '\0') | |
5e8f3c31 | 8967 | goto invalid_select; |
9577d478 | 8968 | ++p; |
8969 | } | |
8970 | ||
48583106 | 8971 | if (*this_arg != '!') |
8972 | not_arg = 0; | |
9577d478 | 8973 | else |
48583106 | 8974 | { |
8975 | not_arg = 1; | |
8976 | ++this_arg; | |
8977 | } | |
8978 | ||
8979 | /* If this is a default argument, we can just ignore it. | |
8980 | This is true even if this_arg begins with '!'. Beginning | |
8981 | with '!' does not mean that this argument is necessarily | |
8982 | inappropriate for this library: it merely means that | |
8983 | there is a more specific library which uses this | |
8984 | argument. If this argument is a default, we need not | |
8985 | consider that more specific library. */ | |
c954ff02 | 8986 | ok = used_arg (this_arg, p - this_arg); |
8987 | if (not_arg) | |
8988 | ok = ! ok; | |
8989 | ||
8990 | if (! ok) | |
8991 | ndfltok = 0; | |
8992 | ||
8993 | if (default_arg (this_arg, p - this_arg)) | |
8994 | ok = 1; | |
9577d478 | 8995 | |
8996 | if (*p == ' ') | |
8997 | ++p; | |
8998 | } | |
8999 | ||
c954ff02 | 9000 | if (ok && first) |
9577d478 | 9001 | { |
9002 | if (this_path_len != 1 | |
9003 | || this_path[0] != '.') | |
9004 | { | |
4c36ffe6 | 9005 | char *new_multilib_dir = XNEWVEC (char, this_path_len + 1); |
c954ff02 | 9006 | char *q; |
9007 | ||
e40d43cc | 9008 | strncpy (new_multilib_dir, this_path, this_path_len); |
9009 | new_multilib_dir[this_path_len] = '\0'; | |
c954ff02 | 9010 | q = strchr (new_multilib_dir, ':'); |
9011 | if (q != NULL) | |
9012 | *q = '\0'; | |
e40d43cc | 9013 | multilib_dir = new_multilib_dir; |
9577d478 | 9014 | } |
c954ff02 | 9015 | first = 0; |
9016 | } | |
9017 | ||
9018 | if (ndfltok) | |
9019 | { | |
9020 | const char *q = this_path, *end = this_path + this_path_len; | |
9021 | ||
9022 | while (q < end && *q != ':') | |
9023 | q++; | |
a2770a85 | 9024 | if (q < end) |
c954ff02 | 9025 | { |
77adc39e | 9026 | const char *q2 = q + 1, *ml_end = end; |
9027 | char *new_multilib_os_dir; | |
9028 | ||
9029 | while (q2 < end && *q2 != ':') | |
9030 | q2++; | |
9031 | if (*q2 == ':') | |
9032 | ml_end = q2; | |
5f243933 | 9033 | if (ml_end - q == 1) |
9034 | multilib_os_dir = xstrdup ("."); | |
9035 | else | |
9036 | { | |
9037 | new_multilib_os_dir = XNEWVEC (char, ml_end - q); | |
9038 | memcpy (new_multilib_os_dir, q + 1, ml_end - q - 1); | |
9039 | new_multilib_os_dir[ml_end - q - 1] = '\0'; | |
9040 | multilib_os_dir = new_multilib_os_dir; | |
9041 | } | |
77adc39e | 9042 | |
9043 | if (q2 < end && *q2 == ':') | |
9044 | { | |
9045 | char *new_multiarch_dir = XNEWVEC (char, end - q2); | |
9046 | memcpy (new_multiarch_dir, q2 + 1, end - q2 - 1); | |
9047 | new_multiarch_dir[end - q2 - 1] = '\0'; | |
9048 | multiarch_dir = new_multiarch_dir; | |
9049 | } | |
c954ff02 | 9050 | break; |
9051 | } | |
9577d478 | 9052 | } |
9053 | ||
9054 | ++p; | |
2c815aff | 9055 | } |
c954ff02 | 9056 | |
9057 | if (multilib_dir == NULL && multilib_os_dir != NULL | |
992809d1 | 9058 | && strcmp (multilib_os_dir, ".") == 0) |
c954ff02 | 9059 | { |
e47a6f81 | 9060 | free (CONST_CAST (char *, multilib_os_dir)); |
c954ff02 | 9061 | multilib_os_dir = NULL; |
9062 | } | |
9063 | else if (multilib_dir != NULL && multilib_os_dir == NULL) | |
9064 | multilib_os_dir = multilib_dir; | |
9577d478 | 9065 | } |
9066 | ||
9067 | /* Print out the multiple library subdirectory selection | |
9068 | information. This prints out a series of lines. Each line looks | |
9069 | like SUBDIRECTORY;@OPTION@OPTION, with as many options as is | |
9070 | required. Only the desired options are printed out, the negative | |
9071 | matches. The options are print without a leading dash. There are | |
9072 | no spaces to make it easy to use the information in the shell. | |
9073 | Each subdirectory is printed only once. This assumes the ordering | |
54518c3b | 9074 | generated by the genmultilib script. Also, we leave out ones that match |
9075 | the exclusions. */ | |
9577d478 | 9076 | |
9077 | static void | |
952f0048 | 9078 | print_multilib_info (void) |
9577d478 | 9079 | { |
e772a198 | 9080 | const char *p = multilib_select; |
9081 | const char *last_path = 0, *this_path; | |
48583106 | 9082 | int skip; |
d4ea3b1f | 9083 | unsigned int last_path_len = 0; |
9577d478 | 9084 | |
9085 | while (*p != '\0') | |
9086 | { | |
54518c3b | 9087 | skip = 0; |
9577d478 | 9088 | /* Ignore newlines. */ |
9089 | if (*p == '\n') | |
9090 | { | |
9091 | ++p; | |
9092 | continue; | |
9093 | } | |
9094 | ||
9095 | /* Get the initial path. */ | |
9096 | this_path = p; | |
9097 | while (*p != ' ') | |
9098 | { | |
9099 | if (*p == '\0') | |
5e8f3c31 | 9100 | { |
9101 | invalid_select: | |
c05be867 | 9102 | fatal_error (input_location, |
9103 | "multilib select %qs is invalid", multilib_select); | |
5e8f3c31 | 9104 | } |
2f2c6aee | 9105 | |
9577d478 | 9106 | ++p; |
9107 | } | |
9108 | ||
a2770a85 | 9109 | /* When --disable-multilib was used but target defines |
77adc39e | 9110 | MULTILIB_OSDIRNAMES, entries starting with .: (and not starting |
9111 | with .:: for multiarch configurations) are there just to find | |
9112 | multilib_os_dir, so skip them from output. */ | |
9113 | if (this_path[0] == '.' && this_path[1] == ':' && this_path[2] != ':') | |
a2770a85 | 9114 | skip = 1; |
9115 | ||
54518c3b | 9116 | /* Check for matches with the multilib_exclusions. We don't bother |
9117 | with the '!' in either list. If any of the exclusion rules match | |
9118 | all of its options with the select rule, we skip it. */ | |
026f2c7a | 9119 | { |
9120 | const char *e = multilib_exclusions; | |
9121 | const char *this_arg; | |
54518c3b | 9122 | |
026f2c7a | 9123 | while (*e != '\0') |
9124 | { | |
9125 | int m = 1; | |
9126 | /* Ignore newlines. */ | |
9127 | if (*e == '\n') | |
9128 | { | |
9129 | ++e; | |
9130 | continue; | |
9131 | } | |
54518c3b | 9132 | |
026f2c7a | 9133 | /* Check the arguments. */ |
9134 | while (*e != ';') | |
9135 | { | |
9136 | const char *q; | |
9137 | int mp = 0; | |
54518c3b | 9138 | |
026f2c7a | 9139 | if (*e == '\0') |
5e8f3c31 | 9140 | { |
9141 | invalid_exclusion: | |
c05be867 | 9142 | fatal_error (input_location, |
9143 | "multilib exclusion %qs is invalid", | |
a922df2e | 9144 | multilib_exclusions); |
5e8f3c31 | 9145 | } |
2c815aff | 9146 | |
026f2c7a | 9147 | if (! m) |
9148 | { | |
9149 | ++e; | |
9150 | continue; | |
9151 | } | |
54518c3b | 9152 | |
026f2c7a | 9153 | this_arg = e; |
2c815aff | 9154 | |
026f2c7a | 9155 | while (*e != ' ' && *e != ';') |
9156 | { | |
9157 | if (*e == '\0') | |
5e8f3c31 | 9158 | goto invalid_exclusion; |
026f2c7a | 9159 | ++e; |
9160 | } | |
54518c3b | 9161 | |
026f2c7a | 9162 | q = p + 1; |
9163 | while (*q != ';') | |
9164 | { | |
9165 | const char *arg; | |
9166 | int len = e - this_arg; | |
54518c3b | 9167 | |
026f2c7a | 9168 | if (*q == '\0') |
5e8f3c31 | 9169 | goto invalid_select; |
54518c3b | 9170 | |
026f2c7a | 9171 | arg = q; |
9172 | ||
9173 | while (*q != ' ' && *q != ';') | |
9174 | { | |
9175 | if (*q == '\0') | |
5e8f3c31 | 9176 | goto invalid_select; |
54518c3b | 9177 | ++q; |
026f2c7a | 9178 | } |
54518c3b | 9179 | |
5e8f3c31 | 9180 | if (! strncmp (arg, this_arg, |
9181 | (len < q - arg) ? q - arg : len) | |
9182 | || default_arg (this_arg, e - this_arg)) | |
026f2c7a | 9183 | { |
9184 | mp = 1; | |
9185 | break; | |
9186 | } | |
54518c3b | 9187 | |
026f2c7a | 9188 | if (*q == ' ') |
9189 | ++q; | |
9190 | } | |
2c815aff | 9191 | |
026f2c7a | 9192 | if (! mp) |
9193 | m = 0; | |
54518c3b | 9194 | |
026f2c7a | 9195 | if (*e == ' ') |
9196 | ++e; | |
9197 | } | |
9198 | ||
9199 | if (m) | |
9200 | { | |
9201 | skip = 1; | |
9202 | break; | |
9203 | } | |
9204 | ||
9205 | if (*e != '\0') | |
9206 | ++e; | |
9207 | } | |
9208 | } | |
54518c3b | 9209 | |
9210 | if (! skip) | |
026f2c7a | 9211 | { |
9212 | /* If this is a duplicate, skip it. */ | |
5e8f3c31 | 9213 | skip = (last_path != 0 |
9214 | && (unsigned int) (p - this_path) == last_path_len | |
82715bcd | 9215 | && ! filename_ncmp (last_path, this_path, last_path_len)); |
9577d478 | 9216 | |
026f2c7a | 9217 | last_path = this_path; |
9218 | last_path_len = p - this_path; | |
54518c3b | 9219 | } |
9577d478 | 9220 | |
48583106 | 9221 | /* If this directory requires any default arguments, we can skip |
9222 | it. We will already have printed a directory identical to | |
9223 | this one which does not require that default argument. */ | |
9224 | if (! skip) | |
9225 | { | |
e772a198 | 9226 | const char *q; |
48583106 | 9227 | |
9228 | q = p + 1; | |
9229 | while (*q != ';') | |
9230 | { | |
e772a198 | 9231 | const char *arg; |
48583106 | 9232 | |
9233 | if (*q == '\0') | |
5e8f3c31 | 9234 | goto invalid_select; |
48583106 | 9235 | |
9236 | if (*q == '!') | |
9237 | arg = NULL; | |
9238 | else | |
9239 | arg = q; | |
9240 | ||
9241 | while (*q != ' ' && *q != ';') | |
9242 | { | |
9243 | if (*q == '\0') | |
5e8f3c31 | 9244 | goto invalid_select; |
48583106 | 9245 | ++q; |
9246 | } | |
9247 | ||
9248 | if (arg != NULL | |
9249 | && default_arg (arg, q - arg)) | |
9250 | { | |
9251 | skip = 1; | |
9252 | break; | |
9253 | } | |
9254 | ||
9255 | if (*q == ' ') | |
9256 | ++q; | |
9257 | } | |
9258 | } | |
9259 | ||
9577d478 | 9260 | if (! skip) |
9261 | { | |
e772a198 | 9262 | const char *p1; |
9577d478 | 9263 | |
c954ff02 | 9264 | for (p1 = last_path; p1 < p && *p1 != ':'; p1++) |
9577d478 | 9265 | putchar (*p1); |
9266 | putchar (';'); | |
9267 | } | |
9268 | ||
9269 | ++p; | |
9270 | while (*p != ';') | |
9271 | { | |
9272 | int use_arg; | |
9273 | ||
9274 | if (*p == '\0') | |
5e8f3c31 | 9275 | goto invalid_select; |
9577d478 | 9276 | |
9277 | if (skip) | |
9278 | { | |
9279 | ++p; | |
9280 | continue; | |
9281 | } | |
9282 | ||
9283 | use_arg = *p != '!'; | |
9284 | ||
9285 | if (use_arg) | |
9286 | putchar ('@'); | |
9287 | ||
9288 | while (*p != ' ' && *p != ';') | |
9289 | { | |
9290 | if (*p == '\0') | |
5e8f3c31 | 9291 | goto invalid_select; |
9577d478 | 9292 | if (use_arg) |
9293 | putchar (*p); | |
9294 | ++p; | |
9295 | } | |
9296 | ||
9297 | if (*p == ' ') | |
9298 | ++p; | |
9299 | } | |
9300 | ||
9301 | if (! skip) | |
3d97d965 | 9302 | { |
d4ea3b1f | 9303 | /* If there are extra options, print them now. */ |
3d97d965 | 9304 | if (multilib_extra && *multilib_extra) |
9305 | { | |
9306 | int print_at = TRUE; | |
e772a198 | 9307 | const char *q; |
3d97d965 | 9308 | |
9309 | for (q = multilib_extra; *q != '\0'; q++) | |
9310 | { | |
9311 | if (*q == ' ') | |
9312 | print_at = TRUE; | |
9313 | else | |
9314 | { | |
9315 | if (print_at) | |
9316 | putchar ('@'); | |
9317 | putchar (*q); | |
9318 | print_at = FALSE; | |
9319 | } | |
9320 | } | |
9321 | } | |
2c815aff | 9322 | |
3d97d965 | 9323 | putchar ('\n'); |
9324 | } | |
9577d478 | 9325 | |
9326 | ++p; | |
9327 | } | |
9328 | } | |
c21b3276 | 9329 | \f |
0305c755 | 9330 | /* getenv built-in spec function. |
9331 | ||
e1a390d6 | 9332 | Returns the value of the environment variable given by its first argument, |
9333 | concatenated with the second argument. If the variable is not defined, a | |
9334 | fatal error is issued unless such undefs are internally allowed, in which | |
d66937ad | 9335 | case the variable name prefixed by a '/' is used as the variable value. |
9336 | ||
9337 | The leading '/' allows using the result at a spot where a full path would | |
9338 | normally be expected and when the actual value doesn't really matter since | |
9339 | undef vars are allowed. */ | |
0305c755 | 9340 | |
9341 | static const char * | |
9342 | getenv_spec_function (int argc, const char **argv) | |
9343 | { | |
26a4a13d | 9344 | const char *value; |
e1a390d6 | 9345 | const char *varname; |
9346 | ||
4b20bbaf | 9347 | char *result; |
9348 | char *ptr; | |
9349 | size_t len; | |
0305c755 | 9350 | |
9351 | if (argc != 2) | |
9352 | return NULL; | |
9353 | ||
e1a390d6 | 9354 | varname = argv[0]; |
9355 | value = env.get (varname); | |
9356 | ||
d66937ad | 9357 | /* If the variable isn't defined and this is allowed, craft our expected |
9358 | return value. Assume variable names used in specs strings don't contain | |
9359 | any active spec character so don't need escaping. */ | |
e1a390d6 | 9360 | if (!value && spec_undefvar_allowed) |
d66937ad | 9361 | { |
9362 | result = XNEWVAR (char, strlen(varname) + 2); | |
9363 | sprintf (result, "/%s", varname); | |
9364 | return result; | |
9365 | } | |
e1a390d6 | 9366 | |
0305c755 | 9367 | if (!value) |
c05be867 | 9368 | fatal_error (input_location, |
e1a390d6 | 9369 | "environment variable %qs not defined", varname); |
0305c755 | 9370 | |
4b20bbaf | 9371 | /* We have to escape every character of the environment variable so |
f0b5f617 | 9372 | they are not interpreted as active spec characters. A |
9373 | particularly painful case is when we are reading a variable | |
4b20bbaf | 9374 | holding a windows path complete with \ separators. */ |
9375 | len = strlen (value) * 2 + strlen (argv[1]) + 1; | |
25a1c410 | 9376 | result = XNEWVAR (char, len); |
4b20bbaf | 9377 | for (ptr = result; *value; ptr += 2) |
9378 | { | |
9379 | ptr[0] = '\\'; | |
9380 | ptr[1] = *value++; | |
9381 | } | |
48e1416a | 9382 | |
4b20bbaf | 9383 | strcpy (ptr, argv[1]); |
48e1416a | 9384 | |
4b20bbaf | 9385 | return result; |
0305c755 | 9386 | } |
9387 | ||
c21b3276 | 9388 | /* if-exists built-in spec function. |
9389 | ||
9390 | Checks to see if the file specified by the absolute pathname in | |
9391 | ARGS exists. Returns that pathname if found. | |
9392 | ||
9393 | The usual use for this function is to check for a library file | |
9394 | (whose name has been expanded with %s). */ | |
9395 | ||
9396 | static const char * | |
952f0048 | 9397 | if_exists_spec_function (int argc, const char **argv) |
c21b3276 | 9398 | { |
9399 | /* Must have only one argument. */ | |
a5c088d4 | 9400 | if (argc == 1 && IS_ABSOLUTE_PATH (argv[0]) && ! access (argv[0], R_OK)) |
c21b3276 | 9401 | return argv[0]; |
9402 | ||
9403 | return NULL; | |
9404 | } | |
68d74c02 | 9405 | |
9406 | /* if-exists-else built-in spec function. | |
9407 | ||
9408 | This is like if-exists, but takes an additional argument which | |
9409 | is returned if the first argument does not exist. */ | |
9410 | ||
9411 | static const char * | |
952f0048 | 9412 | if_exists_else_spec_function (int argc, const char **argv) |
68d74c02 | 9413 | { |
9414 | /* Must have exactly two arguments. */ | |
9415 | if (argc != 2) | |
9416 | return NULL; | |
9417 | ||
a5c088d4 | 9418 | if (IS_ABSOLUTE_PATH (argv[0]) && ! access (argv[0], R_OK)) |
68d74c02 | 9419 | return argv[0]; |
9420 | ||
9421 | return argv[1]; | |
9422 | } | |
2288041e | 9423 | |
9e46467d | 9424 | /* sanitize built-in spec function. |
9425 | ||
9426 | This returns non-NULL, if sanitizing address, thread or | |
9427 | any of the undefined behavior sanitizers. */ | |
9428 | ||
9429 | static const char * | |
9430 | sanitize_spec_function (int argc, const char **argv) | |
9431 | { | |
9432 | if (argc != 1) | |
9433 | return NULL; | |
9434 | ||
9435 | if (strcmp (argv[0], "address") == 0) | |
3e1dd01e | 9436 | return (flag_sanitize & SANITIZE_USER_ADDRESS) ? "" : NULL; |
9437 | if (strcmp (argv[0], "kernel-address") == 0) | |
9438 | return (flag_sanitize & SANITIZE_KERNEL_ADDRESS) ? "" : NULL; | |
9e46467d | 9439 | if (strcmp (argv[0], "thread") == 0) |
9440 | return (flag_sanitize & SANITIZE_THREAD) ? "" : NULL; | |
9441 | if (strcmp (argv[0], "undefined") == 0) | |
9917317a | 9442 | return ((flag_sanitize |
9443 | & (SANITIZE_UNDEFINED | SANITIZE_UNDEFINED_NONDEFAULT)) | |
7311d7c1 | 9444 | && !flag_sanitize_undefined_trap_on_error) ? "" : NULL; |
f8ff4a27 | 9445 | if (strcmp (argv[0], "leak") == 0) |
9446 | return ((flag_sanitize | |
9447 | & (SANITIZE_ADDRESS | SANITIZE_LEAK | SANITIZE_THREAD)) | |
9448 | == SANITIZE_LEAK) ? "" : NULL; | |
9e46467d | 9449 | return NULL; |
9450 | } | |
9451 | ||
2288041e | 9452 | /* replace-outfile built-in spec function. |
9b1f316f | 9453 | |
9454 | This looks for the first argument in the outfiles array's name and | |
9455 | replaces it with the second argument. */ | |
2288041e | 9456 | |
9457 | static const char * | |
9458 | replace_outfile_spec_function (int argc, const char **argv) | |
9459 | { | |
9460 | int i; | |
9461 | /* Must have exactly two arguments. */ | |
9462 | if (argc != 2) | |
9463 | abort (); | |
2f2c6aee | 9464 | |
2288041e | 9465 | for (i = 0; i < n_infiles; i++) |
9466 | { | |
82715bcd | 9467 | if (outfiles[i] && !filename_cmp (outfiles[i], argv[0])) |
2288041e | 9468 | outfiles[i] = xstrdup (argv[1]); |
9469 | } | |
9470 | return NULL; | |
9471 | } | |
9472 | ||
8127ab5d | 9473 | /* remove-outfile built-in spec function. |
9474 | * | |
9475 | * This looks for the first argument in the outfiles array's name and | |
9476 | * removes it. */ | |
9477 | ||
9478 | static const char * | |
9479 | remove_outfile_spec_function (int argc, const char **argv) | |
9480 | { | |
9481 | int i; | |
9482 | /* Must have exactly one argument. */ | |
9483 | if (argc != 1) | |
9484 | abort (); | |
9485 | ||
9486 | for (i = 0; i < n_infiles; i++) | |
9487 | { | |
82715bcd | 9488 | if (outfiles[i] && !filename_cmp (outfiles[i], argv[0])) |
8127ab5d | 9489 | outfiles[i] = NULL; |
9490 | } | |
9491 | return NULL; | |
9492 | } | |
9493 | ||
2f2c6aee | 9494 | /* Given two version numbers, compares the two numbers. |
9b1f316f | 9495 | A version number must match the regular expression |
9496 | ([1-9][0-9]*|0)(\.([1-9][0-9]*|0))* | |
9497 | */ | |
9498 | static int | |
9499 | compare_version_strings (const char *v1, const char *v2) | |
9500 | { | |
9501 | int rresult; | |
9502 | regex_t r; | |
2f2c6aee | 9503 | |
9b1f316f | 9504 | if (regcomp (&r, "^([1-9][0-9]*|0)(\\.([1-9][0-9]*|0))*$", |
9505 | REG_EXTENDED | REG_NOSUB) != 0) | |
9506 | abort (); | |
9507 | rresult = regexec (&r, v1, 0, NULL, 0); | |
9508 | if (rresult == REG_NOMATCH) | |
c05be867 | 9509 | fatal_error (input_location, "invalid version number %qs", v1); |
9b1f316f | 9510 | else if (rresult != 0) |
9511 | abort (); | |
9512 | rresult = regexec (&r, v2, 0, NULL, 0); | |
9513 | if (rresult == REG_NOMATCH) | |
c05be867 | 9514 | fatal_error (input_location, "invalid version number %qs", v2); |
9b1f316f | 9515 | else if (rresult != 0) |
9516 | abort (); | |
9517 | ||
9518 | return strverscmp (v1, v2); | |
9519 | } | |
9520 | ||
9521 | ||
9522 | /* version_compare built-in spec function. | |
9523 | ||
9524 | This takes an argument of the following form: | |
9525 | ||
9526 | <comparison-op> <arg1> [<arg2>] <switch> <result> | |
9527 | ||
9528 | and produces "result" if the comparison evaluates to true, | |
9529 | and nothing if it doesn't. | |
9530 | ||
9531 | The supported <comparison-op> values are: | |
2f2c6aee | 9532 | |
9b1f316f | 9533 | >= true if switch is a later (or same) version than arg1 |
9534 | !> opposite of >= | |
9535 | < true if switch is an earlier version than arg1 | |
9536 | !< opposite of < | |
9537 | >< true if switch is arg1 or later, and earlier than arg2 | |
9538 | <> true if switch is earlier than arg1 or is arg2 or later | |
9539 | ||
9540 | If the switch is not present, the condition is false unless | |
9541 | the first character of the <comparison-op> is '!'. | |
9542 | ||
9543 | For example, | |
9544 | %:version-compare(>= 10.3 mmacosx-version-min= -lmx) | |
9545 | adds -lmx if -mmacosx-version-min=10.3.9 was passed. */ | |
9546 | ||
9547 | static const char * | |
9548 | version_compare_spec_function (int argc, const char **argv) | |
9549 | { | |
9550 | int comp1, comp2; | |
9551 | size_t switch_len; | |
9552 | const char *switch_value = NULL; | |
9553 | int nargs = 1, i; | |
9554 | bool result; | |
9555 | ||
9556 | if (argc < 3) | |
c05be867 | 9557 | fatal_error (input_location, "too few arguments to %%:version-compare"); |
9b1f316f | 9558 | if (argv[0][0] == '\0') |
9559 | abort (); | |
9560 | if ((argv[0][1] == '<' || argv[0][1] == '>') && argv[0][0] != '!') | |
9561 | nargs = 2; | |
9562 | if (argc != nargs + 3) | |
c05be867 | 9563 | fatal_error (input_location, "too many arguments to %%:version-compare"); |
9b1f316f | 9564 | |
9565 | switch_len = strlen (argv[nargs + 1]); | |
9566 | for (i = 0; i < n_switches; i++) | |
9567 | if (!strncmp (switches[i].part1, argv[nargs + 1], switch_len) | |
9568 | && check_live_switch (i, switch_len)) | |
9569 | switch_value = switches[i].part1 + switch_len; | |
9570 | ||
9571 | if (switch_value == NULL) | |
9572 | comp1 = comp2 = -1; | |
9573 | else | |
9574 | { | |
9575 | comp1 = compare_version_strings (switch_value, argv[1]); | |
9576 | if (nargs == 2) | |
9577 | comp2 = compare_version_strings (switch_value, argv[2]); | |
9578 | else | |
9579 | comp2 = -1; /* This value unused. */ | |
9580 | } | |
9581 | ||
9582 | switch (argv[0][0] << 8 | argv[0][1]) | |
9583 | { | |
9584 | case '>' << 8 | '=': | |
9585 | result = comp1 >= 0; | |
9586 | break; | |
9587 | case '!' << 8 | '<': | |
9588 | result = comp1 >= 0 || switch_value == NULL; | |
9589 | break; | |
9590 | case '<' << 8: | |
9591 | result = comp1 < 0; | |
9592 | break; | |
9593 | case '!' << 8 | '>': | |
9594 | result = comp1 < 0 || switch_value == NULL; | |
9595 | break; | |
9596 | case '>' << 8 | '<': | |
9597 | result = comp1 >= 0 && comp2 < 0; | |
9598 | break; | |
9599 | case '<' << 8 | '>': | |
9600 | result = comp1 < 0 || comp2 >= 0; | |
9601 | break; | |
2f2c6aee | 9602 | |
9b1f316f | 9603 | default: |
c05be867 | 9604 | fatal_error (input_location, |
9605 | "unknown operator %qs in %%:version-compare", argv[0]); | |
9b1f316f | 9606 | } |
9607 | if (! result) | |
9608 | return NULL; | |
9609 | ||
9610 | return argv[nargs + 2]; | |
9611 | } | |
1e8e9920 | 9612 | |
9613 | /* %:include builtin spec function. This differs from %include in that it | |
9614 | can be nested inside a spec, and thus be conditionalized. It takes | |
9615 | one argument, the filename, and looks for it in the startfile path. | |
9616 | The result is always NULL, i.e. an empty expansion. */ | |
9617 | ||
9618 | static const char * | |
9619 | include_spec_function (int argc, const char **argv) | |
9620 | { | |
9621 | char *file; | |
9622 | ||
9623 | if (argc != 1) | |
9624 | abort (); | |
9625 | ||
f9ebe19f | 9626 | file = find_a_file (&startfile_prefixes, argv[0], R_OK, true); |
556cfe53 | 9627 | read_specs (file ? file : argv[0], false, false); |
1e8e9920 | 9628 | |
9629 | return NULL; | |
9630 | } | |
ceac8e8c | 9631 | |
d6bff3e6 | 9632 | /* %:find-file spec function. This function replaces its argument by |
9d75589a | 9633 | the file found through find_file, that is the -print-file-name gcc |
19bc000d | 9634 | program option. */ |
9635 | static const char * | |
d6bff3e6 | 9636 | find_file_spec_function (int argc, const char **argv) |
19bc000d | 9637 | { |
9638 | const char *file; | |
9639 | ||
9640 | if (argc != 1) | |
9641 | abort (); | |
9642 | ||
9643 | file = find_file (argv[0]); | |
9644 | return file; | |
9645 | } | |
9646 | ||
9647 | ||
d6bff3e6 | 9648 | /* %:find-plugindir spec function. This function replaces its argument |
9d75589a | 9649 | by the -iplugindir=<dir> option. `dir' is found through find_file, that |
d6bff3e6 | 9650 | is the -print-file-name gcc program option. */ |
9651 | static const char * | |
9652 | find_plugindir_spec_function (int argc, const char **argv ATTRIBUTE_UNUSED) | |
9653 | { | |
9654 | const char *option; | |
9655 | ||
9656 | if (argc != 0) | |
9657 | abort (); | |
9658 | ||
9659 | option = concat ("-iplugindir=", find_file ("plugin"), NULL); | |
9660 | return option; | |
9661 | } | |
9662 | ||
9663 | ||
ceac8e8c | 9664 | /* %:print-asm-header spec function. Print a banner to say that the |
9665 | following output is from the assembler. */ | |
9666 | ||
9667 | static const char * | |
9668 | print_asm_header_spec_function (int arg ATTRIBUTE_UNUSED, | |
9669 | const char **argv ATTRIBUTE_UNUSED) | |
9670 | { | |
666137bc | 9671 | printf (_("Assembler options\n=================\n\n")); |
ceac8e8c | 9672 | printf (_("Use \"-Wa,OPTION\" to pass \"OPTION\" to the assembler.\n\n")); |
9673 | fflush (stdout); | |
9674 | return NULL; | |
9675 | } | |
71278019 | 9676 | |
0f41df2b | 9677 | /* Get a random number for -frandom-seed */ |
9845d120 | 9678 | |
0f41df2b | 9679 | static unsigned HOST_WIDE_INT |
9680 | get_random_number (void) | |
9845d120 | 9681 | { |
0f41df2b | 9682 | unsigned HOST_WIDE_INT ret = 0; |
9683 | int fd; | |
9684 | ||
9685 | fd = open ("/dev/urandom", O_RDONLY); | |
9686 | if (fd >= 0) | |
9687 | { | |
9688 | read (fd, &ret, sizeof (HOST_WIDE_INT)); | |
9689 | close (fd); | |
9690 | if (ret) | |
9691 | return ret; | |
9692 | } | |
9845d120 | 9693 | |
9694 | /* Get some more or less random data. */ | |
9695 | #ifdef HAVE_GETTIMEOFDAY | |
9696 | { | |
9697 | struct timeval tv; | |
9698 | ||
9699 | gettimeofday (&tv, NULL); | |
9700 | ret = tv.tv_sec * 1000 + tv.tv_usec / 1000; | |
9701 | } | |
9702 | #else | |
9703 | { | |
9704 | time_t now = time (NULL); | |
9705 | ||
9706 | if (now != (time_t)-1) | |
9707 | ret = (unsigned) now; | |
9708 | } | |
9709 | #endif | |
9710 | ||
9af5ce0c | 9711 | return ret ^ getpid (); |
9845d120 | 9712 | } |
9713 | ||
71278019 | 9714 | /* %:compare-debug-dump-opt spec function. Save the last argument, |
9715 | expected to be the last -fdump-final-insns option, or generate a | |
9716 | temporary. */ | |
9717 | ||
9718 | static const char * | |
9719 | compare_debug_dump_opt_spec_function (int arg, | |
9720 | const char **argv ATTRIBUTE_UNUSED) | |
9721 | { | |
ce0fdb91 | 9722 | char *ret; |
71278019 | 9723 | char *name; |
9724 | int which; | |
9845d120 | 9725 | static char random_seed[HOST_BITS_PER_WIDE_INT / 4 + 3]; |
71278019 | 9726 | |
9727 | if (arg != 0) | |
c05be867 | 9728 | fatal_error (input_location, |
9729 | "too many arguments to %%:compare-debug-dump-opt"); | |
71278019 | 9730 | |
c834ef92 | 9731 | do_spec_2 ("%{fdump-final-insns=*:%*}", NULL); |
71278019 | 9732 | do_spec_1 (" ", 0, NULL); |
9733 | ||
f1f41a6c | 9734 | if (argbuf.length () > 0 |
9735 | && strcmp (argv[argbuf.length () - 1], ".")) | |
71278019 | 9736 | { |
9845d120 | 9737 | if (!compare_debug) |
9738 | return NULL; | |
9739 | ||
f1f41a6c | 9740 | name = xstrdup (argv[argbuf.length () - 1]); |
71278019 | 9741 | ret = NULL; |
9742 | } | |
9743 | else | |
9744 | { | |
9845d120 | 9745 | const char *ext = NULL; |
9746 | ||
f1f41a6c | 9747 | if (argbuf.length () > 0) |
9845d120 | 9748 | { |
c834ef92 | 9749 | do_spec_2 ("%{o*:%*}%{!o:%{!S:%b%O}%{S:%b.s}}", NULL); |
9845d120 | 9750 | ext = ".gkd"; |
9751 | } | |
9752 | else if (!compare_debug) | |
9753 | return NULL; | |
9754 | else | |
c834ef92 | 9755 | do_spec_2 ("%g.gkd", NULL); |
71278019 | 9756 | |
71278019 | 9757 | do_spec_1 (" ", 0, NULL); |
71278019 | 9758 | |
f1f41a6c | 9759 | gcc_assert (argbuf.length () > 0); |
71278019 | 9760 | |
f1f41a6c | 9761 | name = concat (argbuf.last (), ext, NULL); |
9845d120 | 9762 | |
9763 | ret = concat ("-fdump-final-insns=", name, NULL); | |
71278019 | 9764 | } |
9765 | ||
9766 | which = compare_debug < 0; | |
9767 | debug_check_temp_file[which] = name; | |
9768 | ||
9845d120 | 9769 | if (!which) |
9770 | { | |
0f41df2b | 9771 | unsigned HOST_WIDE_INT value = get_random_number (); |
9845d120 | 9772 | |
9773 | sprintf (random_seed, HOST_WIDE_INT_PRINT_HEX, value); | |
9774 | } | |
9775 | ||
9776 | if (*random_seed) | |
ce0fdb91 | 9777 | { |
9778 | char *tmp = ret; | |
9779 | ret = concat ("%{!frandom-seed=*:-frandom-seed=", random_seed, "} ", | |
9780 | ret, NULL); | |
9781 | free (tmp); | |
9782 | } | |
9845d120 | 9783 | |
9784 | if (which) | |
9785 | *random_seed = 0; | |
71278019 | 9786 | |
9787 | return ret; | |
9788 | } | |
9789 | ||
9790 | static const char *debug_auxbase_opt; | |
9791 | ||
9792 | /* %:compare-debug-self-opt spec function. Expands to the options | |
9793 | that are to be passed in the second compilation of | |
9794 | compare-debug. */ | |
9795 | ||
9796 | static const char * | |
9797 | compare_debug_self_opt_spec_function (int arg, | |
9798 | const char **argv ATTRIBUTE_UNUSED) | |
9799 | { | |
9800 | if (arg != 0) | |
c05be867 | 9801 | fatal_error (input_location, |
9802 | "too many arguments to %%:compare-debug-self-opt"); | |
71278019 | 9803 | |
9804 | if (compare_debug >= 0) | |
9805 | return NULL; | |
9806 | ||
c834ef92 | 9807 | do_spec_2 ("%{c|S:%{o*:%*}}", NULL); |
71278019 | 9808 | do_spec_1 (" ", 0, NULL); |
9809 | ||
f1f41a6c | 9810 | if (argbuf.length () > 0) |
71278019 | 9811 | debug_auxbase_opt = concat ("-auxbase-strip ", |
f1f41a6c | 9812 | argbuf.last (), |
71278019 | 9813 | NULL); |
9814 | else | |
9815 | debug_auxbase_opt = NULL; | |
9816 | ||
9817 | return concat ("\ | |
9818 | %<o %<MD %<MMD %<MF* %<MG %<MP %<MQ* %<MT* \ | |
9819 | %<fdump-final-insns=* -w -S -o %j \ | |
9820 | %{!fcompare-debug-second:-fcompare-debug-second} \ | |
9821 | ", compare_debug_opt, NULL); | |
9822 | } | |
9823 | ||
9824 | /* %:compare-debug-auxbase-opt spec function. Expands to the auxbase | |
9825 | options that are to be passed in the second compilation of | |
9826 | compare-debug. It expects, as an argument, the basename of the | |
9827 | current input file name, with the .gk suffix appended to it. */ | |
9828 | ||
9829 | static const char * | |
9830 | compare_debug_auxbase_opt_spec_function (int arg, | |
9831 | const char **argv) | |
9832 | { | |
9833 | char *name; | |
9834 | int len; | |
9835 | ||
9836 | if (arg == 0) | |
c05be867 | 9837 | fatal_error (input_location, |
9838 | "too few arguments to %%:compare-debug-auxbase-opt"); | |
71278019 | 9839 | |
9840 | if (arg != 1) | |
c05be867 | 9841 | fatal_error (input_location, |
9842 | "too many arguments to %%:compare-debug-auxbase-opt"); | |
71278019 | 9843 | |
9844 | if (compare_debug >= 0) | |
9845 | return NULL; | |
9846 | ||
9847 | len = strlen (argv[0]); | |
9848 | if (len < 3 || strcmp (argv[0] + len - 3, ".gk") != 0) | |
c05be867 | 9849 | fatal_error (input_location, "argument to %%:compare-debug-auxbase-opt " |
85b9be9b | 9850 | "does not end in %<.gk%>"); |
71278019 | 9851 | |
9852 | if (debug_auxbase_opt) | |
9853 | return debug_auxbase_opt; | |
9854 | ||
9855 | #define OPT "-auxbase " | |
9856 | ||
9857 | len -= 3; | |
9858 | name = (char*) xmalloc (sizeof (OPT) + len); | |
9859 | memcpy (name, OPT, sizeof (OPT) - 1); | |
9860 | memcpy (name + sizeof (OPT) - 1, argv[0], len); | |
9861 | name[sizeof (OPT) - 1 + len] = '\0'; | |
9862 | ||
9845d120 | 9863 | #undef OPT |
9864 | ||
71278019 | 9865 | return name; |
9866 | } | |
280f8649 | 9867 | |
9868 | /* %:pass-through-libs spec function. Finds all -l options and input | |
9869 | file names in the lib spec passed to it, and makes a list of them | |
9870 | prepended with the plugin option to cause them to be passed through | |
9871 | to the final link after all the new object files have been added. */ | |
9872 | ||
9873 | const char * | |
9874 | pass_through_libs_spec_func (int argc, const char **argv) | |
9875 | { | |
9876 | char *prepended = xstrdup (" "); | |
9877 | int n; | |
9878 | /* Shlemiel the painter's algorithm. Innately horrible, but at least | |
9879 | we know that there will never be more than a handful of strings to | |
9880 | concat, and it's only once per run, so it's not worth optimising. */ | |
9881 | for (n = 0; n < argc; n++) | |
9882 | { | |
9883 | char *old = prepended; | |
9884 | /* Anything that isn't an option is a full path to an output | |
9885 | file; pass it through if it ends in '.a'. Among options, | |
9886 | pass only -l. */ | |
9887 | if (argv[n][0] == '-' && argv[n][1] == 'l') | |
9888 | { | |
9889 | const char *lopt = argv[n] + 2; | |
9890 | /* Handle both joined and non-joined -l options. If for any | |
9891 | reason there's a trailing -l with no joined or following | |
9892 | arg just discard it. */ | |
9893 | if (!*lopt && ++n >= argc) | |
9894 | break; | |
9895 | else if (!*lopt) | |
9896 | lopt = argv[n]; | |
9897 | prepended = concat (prepended, "-plugin-opt=-pass-through=-l", | |
9898 | lopt, " ", NULL); | |
9899 | } | |
9900 | else if (!strcmp (".a", argv[n] + strlen (argv[n]) - 2)) | |
9901 | { | |
9902 | prepended = concat (prepended, "-plugin-opt=-pass-through=", | |
9903 | argv[n], " ", NULL); | |
9904 | } | |
9905 | if (prepended != old) | |
9906 | free (old); | |
9907 | } | |
9908 | return prepended; | |
9909 | } | |
b35329c7 | 9910 | |
9911 | /* %:replace-extension spec function. Replaces the extension of the | |
9912 | first argument with the second argument. */ | |
9913 | ||
9914 | const char * | |
9915 | replace_extension_spec_func (int argc, const char **argv) | |
9916 | { | |
9917 | char *name; | |
9918 | char *p; | |
9919 | char *result; | |
9920 | int i; | |
9921 | ||
9922 | if (argc != 2) | |
c05be867 | 9923 | fatal_error (input_location, "too few arguments to %%:replace-extension"); |
b35329c7 | 9924 | |
9925 | name = xstrdup (argv[0]); | |
9926 | ||
9af5ce0c | 9927 | for (i = strlen (name) - 1; i >= 0; i--) |
b35329c7 | 9928 | if (IS_DIR_SEPARATOR (name[i])) |
9929 | break; | |
9930 | ||
9931 | p = strrchr (name + i + 1, '.'); | |
9932 | if (p != NULL) | |
9933 | *p = '\0'; | |
9934 | ||
9935 | result = concat (name, argv[1], NULL); | |
9936 | ||
9937 | free (name); | |
9938 | return result; | |
9939 | } | |
40c059b1 | 9940 | |
5814ddcd | 9941 | /* Returns "" if ARGV[ARGC - 2] is greater than ARGV[ARGC-1]. |
1b316d69 | 9942 | Otherwise, return NULL. */ |
9943 | ||
9944 | static const char * | |
9945 | greater_than_spec_func (int argc, const char **argv) | |
9946 | { | |
9947 | char *converted; | |
9948 | ||
9949 | if (argc == 1) | |
9950 | return NULL; | |
9951 | ||
5814ddcd | 9952 | gcc_assert (argc >= 2); |
1b316d69 | 9953 | |
5814ddcd | 9954 | long arg = strtol (argv[argc - 2], &converted, 10); |
9955 | gcc_assert (converted != argv[argc - 2]); | |
1b316d69 | 9956 | |
5814ddcd | 9957 | long lim = strtol (argv[argc - 1], &converted, 10); |
9958 | gcc_assert (converted != argv[argc - 1]); | |
1b316d69 | 9959 | |
9960 | if (arg > lim) | |
9961 | return ""; | |
9962 | ||
9963 | return NULL; | |
9964 | } | |
9965 | ||
14234f77 | 9966 | /* Returns "" if debug_info_level is greater than ARGV[ARGC-1]. |
9967 | Otherwise, return NULL. */ | |
9968 | ||
9969 | static const char * | |
9970 | debug_level_greater_than_spec_func (int argc, const char **argv) | |
9971 | { | |
9972 | char *converted; | |
9973 | ||
9974 | if (argc != 1) | |
9975 | fatal_error (input_location, | |
9976 | "wrong number of arguments to %%:debug-level-gt"); | |
9977 | ||
9978 | long arg = strtol (argv[0], &converted, 10); | |
9979 | gcc_assert (converted != argv[0]); | |
9980 | ||
9981 | if (debug_info_level > arg) | |
9982 | return ""; | |
9983 | ||
9984 | return NULL; | |
9985 | } | |
9986 | ||
86a3ecf2 | 9987 | static void |
9988 | path_prefix_reset (path_prefix *prefix) | |
9989 | { | |
9990 | struct prefix_list *iter, *next; | |
9991 | iter = prefix->plist; | |
9992 | while (iter) | |
9993 | { | |
9994 | next = iter->next; | |
9995 | free (const_cast <char *> (iter->prefix)); | |
9996 | XDELETE (iter); | |
9997 | iter = next; | |
9998 | } | |
9999 | prefix->plist = 0; | |
10000 | prefix->max_len = 0; | |
10001 | } | |
10002 | ||
10003 | /* The function takes 3 arguments: OPTION name, file name and location | |
10004 | where we search for Fortran modules. | |
f052211c | 10005 | When the FILE is found by find_file, return OPTION=path_to_file. */ |
10006 | ||
10007 | static const char * | |
10008 | find_fortran_preinclude_file (int argc, const char **argv) | |
10009 | { | |
86a3ecf2 | 10010 | char *result = NULL; |
10011 | if (argc != 3) | |
f052211c | 10012 | return NULL; |
10013 | ||
86a3ecf2 | 10014 | struct path_prefix prefixes = { 0, 0, "preinclude" }; |
10015 | ||
10016 | /* Search first for 'finclude' folder location for a header file | |
10017 | installed by the compiler (similar to omp_lib.h). */ | |
dd2e9d21 | 10018 | add_prefix (&prefixes, argv[2], NULL, 0, 0, 0); |
86a3ecf2 | 10019 | #ifdef TOOL_INCLUDE_DIR |
10020 | /* Then search: <prefix>/<target>/<include>/finclude */ | |
10021 | add_prefix (&prefixes, TOOL_INCLUDE_DIR "/finclude/", | |
dd2e9d21 | 10022 | NULL, 0, 0, 0); |
86a3ecf2 | 10023 | #endif |
10024 | #ifdef NATIVE_SYSTEM_HEADER_DIR | |
10025 | /* Then search: <sysroot>/usr/include/finclude/<multilib> */ | |
10026 | add_sysrooted_hdrs_prefix (&prefixes, NATIVE_SYSTEM_HEADER_DIR "/finclude/", | |
dd2e9d21 | 10027 | NULL, 0, 0, 0); |
86a3ecf2 | 10028 | #endif |
10029 | ||
dd2e9d21 | 10030 | const char *path = find_a_file (&include_prefixes, argv[1], R_OK, false); |
f052211c | 10031 | if (path != NULL) |
86a3ecf2 | 10032 | result = concat (argv[0], path, NULL); |
10033 | else | |
10034 | { | |
dd2e9d21 | 10035 | path = find_a_file (&prefixes, argv[1], R_OK, false); |
86a3ecf2 | 10036 | if (path != NULL) |
10037 | result = concat (argv[0], path, NULL); | |
10038 | } | |
f052211c | 10039 | |
86a3ecf2 | 10040 | path_prefix_reset (&prefixes); |
10041 | return result; | |
f052211c | 10042 | } |
10043 | ||
10044 | ||
40c059b1 | 10045 | /* Insert backslash before spaces in ORIG (usually a file path), to |
10046 | avoid being broken by spec parser. | |
10047 | ||
10048 | This function is needed as do_spec_1 treats white space (' ' and '\t') | |
10049 | as the end of an argument. But in case of -plugin /usr/gcc install/xxx.so, | |
10050 | the file name should be treated as a single argument rather than being | |
10051 | broken into multiple. Solution is to insert '\\' before the space in a | |
10052 | file name. | |
10053 | ||
10054 | This function converts and only converts all occurrence of ' ' | |
10055 | to '\\' + ' ' and '\t' to '\\' + '\t'. For example: | |
10056 | "a b" -> "a\\ b" | |
10057 | "a b" -> "a\\ \\ b" | |
10058 | "a\tb" -> "a\\\tb" | |
10059 | "a\\ b" -> "a\\\\ b" | |
10060 | ||
10061 | orig: input null-terminating string that was allocated by xalloc. The | |
10062 | memory it points to might be freed in this function. Behavior undefined | |
10063 | if ORIG wasn't xalloced or was freed already at entry. | |
10064 | ||
10065 | Return: ORIG if no conversion needed. Otherwise a newly allocated string | |
10066 | that was converted from ORIG. */ | |
10067 | ||
10068 | static char * | |
10069 | convert_white_space (char *orig) | |
10070 | { | |
10071 | int len, number_of_space = 0; | |
10072 | ||
10073 | for (len = 0; orig[len]; len++) | |
10074 | if (orig[len] == ' ' || orig[len] == '\t') number_of_space++; | |
10075 | ||
10076 | if (number_of_space) | |
10077 | { | |
10078 | char *new_spec = (char *) xmalloc (len + number_of_space + 1); | |
10079 | int j, k; | |
10080 | for (j = 0, k = 0; j <= len; j++, k++) | |
10081 | { | |
10082 | if (orig[j] == ' ' || orig[j] == '\t') | |
10083 | new_spec[k++] = '\\'; | |
10084 | new_spec[k] = orig[j]; | |
10085 | } | |
10086 | free (orig); | |
10087 | return new_spec; | |
10088 | } | |
10089 | else | |
10090 | return orig; | |
10091 | } | |
cbbb2345 | 10092 | |
26a4a13d | 10093 | /* Restore all state within gcc.c to the initial state, so that the driver |
10094 | code can be safely re-run in-process. | |
10095 | ||
10096 | Many const char * variables are referenced by static specs (see | |
10097 | INIT_STATIC_SPEC above). These variables are restored to their default | |
10098 | values by a simple loop over the static specs. | |
10099 | ||
10100 | For other variables, we directly restore them all to their initial | |
10101 | values (often implicitly 0). | |
10102 | ||
10103 | Free the various obstacks in this file, along with "opts_obstack" | |
10104 | from opts.c. | |
10105 | ||
10106 | This function also restores any environment variables that were changed. */ | |
10107 | ||
10108 | void | |
10109 | driver::finalize () | |
10110 | { | |
10111 | env.restore (); | |
10112 | params_c_finalize (); | |
10113 | diagnostic_finish (global_dc); | |
10114 | ||
10115 | is_cpp_driver = 0; | |
10116 | at_file_supplied = 0; | |
10117 | print_help_list = 0; | |
10118 | print_version = 0; | |
10119 | verbose_only_flag = 0; | |
10120 | print_subprocess_help = 0; | |
10121 | use_ld = NULL; | |
10122 | report_times_to_file = NULL; | |
10123 | target_system_root = DEFAULT_TARGET_SYSTEM_ROOT; | |
10124 | target_system_root_changed = 0; | |
10125 | target_sysroot_suffix = 0; | |
10126 | target_sysroot_hdrs_suffix = 0; | |
10127 | save_temps_flag = SAVE_TEMPS_NONE; | |
10128 | save_temps_prefix = 0; | |
10129 | save_temps_length = 0; | |
10130 | spec_machine = DEFAULT_TARGET_MACHINE; | |
10131 | greatest_status = 1; | |
10132 | ||
10133 | finalize_options_struct (&global_options); | |
10134 | finalize_options_struct (&global_options_set); | |
10135 | ||
10136 | obstack_free (&obstack, NULL); | |
10137 | obstack_free (&opts_obstack, NULL); /* in opts.c */ | |
10138 | obstack_free (&collect_obstack, NULL); | |
10139 | ||
10140 | link_command_spec = LINK_COMMAND_SPEC; | |
10141 | ||
10142 | obstack_free (&multilib_obstack, NULL); | |
10143 | ||
10144 | user_specs_head = NULL; | |
10145 | user_specs_tail = NULL; | |
10146 | ||
10147 | /* Within the "compilers" vec, the fields "suffix" and "spec" were | |
10148 | statically allocated for the default compilers, but dynamically | |
10149 | allocated for additional compilers. Delete them for the latter. */ | |
10150 | for (int i = n_default_compilers; i < n_compilers; i++) | |
10151 | { | |
10152 | free (const_cast <char *> (compilers[i].suffix)); | |
10153 | free (const_cast <char *> (compilers[i].spec)); | |
10154 | } | |
10155 | XDELETEVEC (compilers); | |
10156 | compilers = NULL; | |
10157 | n_compilers = 0; | |
10158 | ||
10159 | linker_options.truncate (0); | |
10160 | assembler_options.truncate (0); | |
10161 | preprocessor_options.truncate (0); | |
10162 | ||
10163 | path_prefix_reset (&exec_prefixes); | |
10164 | path_prefix_reset (&startfile_prefixes); | |
10165 | path_prefix_reset (&include_prefixes); | |
10166 | ||
10167 | machine_suffix = 0; | |
10168 | just_machine_suffix = 0; | |
10169 | gcc_exec_prefix = 0; | |
10170 | gcc_libexec_prefix = 0; | |
10171 | md_exec_prefix = MD_EXEC_PREFIX; | |
10172 | md_startfile_prefix = MD_STARTFILE_PREFIX; | |
10173 | md_startfile_prefix_1 = MD_STARTFILE_PREFIX_1; | |
10174 | multilib_dir = 0; | |
10175 | multilib_os_dir = 0; | |
10176 | multiarch_dir = 0; | |
10177 | ||
5af71a8f | 10178 | /* Free any specs dynamically-allocated by set_spec. |
10179 | These will be at the head of the list, before the | |
10180 | statically-allocated ones. */ | |
10181 | if (specs) | |
10182 | { | |
10183 | while (specs != static_specs) | |
10184 | { | |
10185 | spec_list *next = specs->next; | |
10186 | free (const_cast <char *> (specs->name)); | |
10187 | XDELETE (specs); | |
10188 | specs = next; | |
10189 | } | |
10190 | specs = 0; | |
10191 | } | |
26a4a13d | 10192 | for (unsigned i = 0; i < ARRAY_SIZE (static_specs); i++) |
10193 | { | |
10194 | spec_list *sl = &static_specs[i]; | |
10195 | if (sl->alloc_p) | |
10196 | { | |
10197 | if (0) | |
10198 | free (const_cast <char *> (*(sl->ptr_spec))); | |
10199 | sl->alloc_p = false; | |
10200 | } | |
10201 | *(sl->ptr_spec) = sl->default_ptr; | |
10202 | } | |
fac94f48 | 10203 | #ifdef EXTRA_SPECS |
26a4a13d | 10204 | extra_specs = NULL; |
fac94f48 | 10205 | #endif |
26a4a13d | 10206 | |
10207 | processing_spec_function = 0; | |
10208 | ||
39bc186e | 10209 | clear_args (); |
26a4a13d | 10210 | |
10211 | have_c = 0; | |
10212 | have_o = 0; | |
10213 | ||
10214 | temp_names = NULL; | |
10215 | execution_count = 0; | |
10216 | signal_count = 0; | |
10217 | ||
10218 | temp_filename = NULL; | |
10219 | temp_filename_length = 0; | |
10220 | always_delete_queue = NULL; | |
10221 | failure_delete_queue = NULL; | |
10222 | ||
10223 | XDELETEVEC (switches); | |
10224 | switches = NULL; | |
10225 | n_switches = 0; | |
10226 | n_switches_alloc = 0; | |
10227 | ||
10228 | compare_debug = 0; | |
10229 | compare_debug_second = 0; | |
10230 | compare_debug_opt = NULL; | |
10231 | for (int i = 0; i < 2; i++) | |
10232 | { | |
10233 | switches_debug_check[i] = NULL; | |
10234 | n_switches_debug_check[i] = 0; | |
10235 | n_switches_alloc_debug_check[i] = 0; | |
10236 | debug_check_temp_file[i] = NULL; | |
10237 | } | |
10238 | ||
10239 | XDELETEVEC (infiles); | |
10240 | infiles = NULL; | |
10241 | n_infiles = 0; | |
10242 | n_infiles_alloc = 0; | |
10243 | ||
10244 | combine_inputs = false; | |
10245 | added_libraries = 0; | |
10246 | XDELETEVEC (outfiles); | |
10247 | outfiles = NULL; | |
10248 | spec_lang = 0; | |
10249 | last_language_n_infiles = 0; | |
10250 | gcc_input_filename = NULL; | |
10251 | input_file_number = 0; | |
10252 | input_filename_length = 0; | |
10253 | basename_length = 0; | |
10254 | suffixed_basename_length = 0; | |
10255 | input_basename = NULL; | |
10256 | input_suffix = NULL; | |
10257 | /* We don't need to purge "input_stat", just to unset "input_stat_set". */ | |
10258 | input_stat_set = 0; | |
10259 | input_file_compiler = NULL; | |
10260 | arg_going = 0; | |
10261 | delete_this_arg = 0; | |
10262 | this_is_output_file = 0; | |
10263 | this_is_library_file = 0; | |
10264 | this_is_linker_script = 0; | |
10265 | input_from_pipe = 0; | |
10266 | suffix_subst = NULL; | |
10267 | ||
10268 | mdswitches = NULL; | |
10269 | n_mdswitches = 0; | |
10270 | ||
10271 | debug_auxbase_opt = NULL; | |
10272 | ||
10273 | used_arg.finalize (); | |
10274 | } | |
10275 | ||
cbbb2345 | 10276 | /* PR jit/64810. |
10277 | Targets can provide configure-time default options in | |
10278 | OPTION_DEFAULT_SPECS. The jit needs to access these, but | |
10279 | they are expressed in the spec language. | |
10280 | ||
10281 | Run just enough of the driver to be able to expand these | |
10282 | specs, and then call the callback CB on each | |
10283 | such option. The options strings are *without* a leading | |
10284 | '-' character e.g. ("march=x86-64"). Finally, clean up. */ | |
10285 | ||
10286 | void | |
10287 | driver_get_configure_time_options (void (*cb) (const char *option, | |
10288 | void *user_data), | |
10289 | void *user_data) | |
10290 | { | |
10291 | size_t i; | |
10292 | ||
10293 | obstack_init (&obstack); | |
25faed34 | 10294 | init_opts_obstack (); |
cbbb2345 | 10295 | n_switches = 0; |
10296 | ||
10297 | for (i = 0; i < ARRAY_SIZE (option_default_specs); i++) | |
10298 | do_option_spec (option_default_specs[i].name, | |
10299 | option_default_specs[i].spec); | |
10300 | ||
10301 | for (i = 0; (int) i < n_switches; i++) | |
10302 | { | |
10303 | gcc_assert (switches[i].part1); | |
10304 | (*cb) (switches[i].part1, user_data); | |
10305 | } | |
10306 | ||
10307 | obstack_free (&opts_obstack, NULL); | |
10308 | obstack_free (&obstack, NULL); | |
10309 | n_switches = 0; | |
10310 | } |