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ed1f651b | 1 | /* Compiler driver program that can handle many languages. |
85ec4feb | 2 | Copyright (C) 1987-2018 Free Software Foundation, Inc. |
ed1f651b | 3 | |
1322177d | 4 | This file is part of GCC. |
ed1f651b | 5 | |
1322177d LB |
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 | |
9dcd6f09 | 8 | Software Foundation; either version 3, or (at your option) any later |
1322177d | 9 | version. |
ed1f651b | 10 | |
1322177d LB |
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. | |
ed1f651b RS |
15 | |
16 | You should have received a copy of the GNU General Public License | |
9dcd6f09 | 17 | along with GCC; see the file COPYING3. If not see |
8a554c70 | 18 | <http://www.gnu.org/licenses/>. */ |
ed1f651b RS |
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". */ | |
c5c76735 | 29 | |
e9a25f70 | 30 | #include "config.h" |
670ee920 | 31 | #include "system.h" |
4977bab6 | 32 | #include "coretypes.h" |
1713a69f | 33 | #include "multilib.h" /* before tm.h */ |
4977bab6 | 34 | #include "tm.h" |
ed5b9f96 | 35 | #include "xregex.h" |
17248a6b | 36 | #include "obstack.h" |
ab87f8c8 | 37 | #include "intl.h" |
460ee112 | 38 | #include "prefix.h" |
98086b2b | 39 | #include "opt-suggestions.h" |
9257393c | 40 | #include "gcc.h" |
6afbc885 | 41 | #include "diagnostic.h" |
8a63621f | 42 | #include "flags.h" |
14c7833c | 43 | #include "opts.h" |
a7d0d30f | 44 | #include "params.h" |
ba78087b | 45 | #include "filenames.h" |
93ebf1fd | 46 | #include "spellcheck.h" |
c10d53dd | 47 | |
9376dd63 DM |
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 | ||
60 | class env_manager | |
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; | |
c25eec8f | 128 | kv.m_key = xstrndup (string, equals - string); |
9376dd63 DM |
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 | ||
45936a85 | 173 | /* By default there is no special suffix for target executables. */ |
5bc86b59 | 174 | #ifdef TARGET_EXECUTABLE_SUFFIX |
45936a85 | 175 | #define HAVE_TARGET_EXECUTABLE_SUFFIX |
5bc86b59 EB |
176 | #else |
177 | #define TARGET_EXECUTABLE_SUFFIX "" | |
ed1f651b | 178 | #endif |
f6ec7e54 | 179 | |
45936a85 DD |
180 | /* By default there is no special suffix for host executables. */ |
181 | #ifdef HOST_EXECUTABLE_SUFFIX | |
182 | #define HAVE_HOST_EXECUTABLE_SUFFIX | |
f70165f6 | 183 | #else |
45936a85 DD |
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" | |
ed7dae04 RK |
192 | #endif |
193 | ||
8b60264b | 194 | static const char dir_separator_str[] = { DIR_SEPARATOR, 0 }; |
48ff801b | 195 | |
512b62fb JM |
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 | ||
ed1f651b RS |
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 | ||
69927b59 NB |
206 | /* Flag set by cppspec.c to 1. */ |
207 | int is_cpp_driver; | |
208 | ||
110abdbc | 209 | /* Flag set to nonzero if an @file argument has been supplied to gcc. */ |
2091ff66 NF |
210 | static bool at_file_supplied; |
211 | ||
f5fa9a5b PE |
212 | /* Definition of string containing the arguments given to configure. */ |
213 | #include "configargs.h" | |
214 | ||
b8468bc7 NC |
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 | ||
41fd0f9b RAE |
220 | /* Flag saying to print the version of gcc and its sub-processes. */ |
221 | ||
222 | static int print_version; | |
223 | ||
d86c7648 ML |
224 | /* Flag that stores string prefix for which we provide bash completion. */ |
225 | ||
226 | static const char *completion = NULL; | |
227 | ||
99f78cdd IR |
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 | ||
c662432e | 235 | /* Flag indicating how to print command line options of sub-processes. */ |
91606ce2 | 236 | |
c662432e | 237 | static int print_subprocess_help; |
91606ce2 | 238 | |
b78e932d L |
239 | /* Linker suffix passed to -fuse-ld=... */ |
240 | static const char *use_ld; | |
241 | ||
bdde878c AO |
242 | /* Whether we should report subprocess execution times to a file. */ |
243 | ||
244 | FILE *report_times_to_file = NULL; | |
245 | ||
4977bab6 ZW |
246 | /* Nonzero means place this string before uses of /, so that include |
247 | and library files can be found in an alternate location. */ | |
248 | ||
db720d9a | 249 | #ifdef TARGET_SYSTEM_ROOT |
9376dd63 | 250 | #define DEFAULT_TARGET_SYSTEM_ROOT (TARGET_SYSTEM_ROOT) |
db720d9a | 251 | #else |
9376dd63 | 252 | #define DEFAULT_TARGET_SYSTEM_ROOT (0) |
db720d9a | 253 | #endif |
9376dd63 | 254 | static const char *target_system_root = DEFAULT_TARGET_SYSTEM_ROOT; |
4977bab6 | 255 | |
047d636f DJ |
256 | /* Nonzero means pass the updated target_system_root to the compiler. */ |
257 | ||
258 | static int target_system_root_changed; | |
259 | ||
e7f13528 GP |
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 | ||
ed1f651b RS |
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 | ||
14fdc613 MM |
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; | |
ed1f651b | 280 | |
53117a2f | 281 | /* The compiler version. */ |
ed1f651b | 282 | |
3b304f5b | 283 | static const char *compiler_version; |
53117a2f | 284 | |
1401cf37 | 285 | /* The target version. */ |
53117a2f | 286 | |
37a4aa31 | 287 | static const char *const spec_version = DEFAULT_TARGET_VERSION; |
ed1f651b | 288 | |
1401cf37 | 289 | /* The target machine. */ |
ed1f651b | 290 | |
878f32c3 | 291 | static const char *spec_machine = DEFAULT_TARGET_MACHINE; |
fc8b3540 | 292 | static const char *spec_host_machine = DEFAULT_REAL_TARGET_MACHINE; |
ed1f651b | 293 | |
64186aad TS |
294 | /* List of offload targets. Separated by colon. Empty string for |
295 | -foffload=disable. */ | |
c713ddc0 BS |
296 | |
297 | static char *offload_targets = NULL; | |
298 | ||
004fd4d5 RS |
299 | /* Nonzero if cross-compiling. |
300 | When -b is used, the value comes from the `specs' file. */ | |
301 | ||
2989d30c | 302 | #ifdef CROSS_DIRECTORY_STRUCTURE |
3b304f5b | 303 | static const char *cross_compile = "1"; |
004fd4d5 | 304 | #else |
3b304f5b | 305 | static const char *cross_compile = "0"; |
004fd4d5 RS |
306 | #endif |
307 | ||
14a774a9 RK |
308 | /* Greatest exit code of sub-processes that has been encountered up to |
309 | now. */ | |
310 | static int greatest_status = 1; | |
311 | ||
ed1f651b RS |
312 | /* This is the obstack which we use to allocate many strings. */ |
313 | ||
314 | static struct obstack obstack; | |
315 | ||
b3865ca9 | 316 | /* This is the obstack to build an environment variable to pass to |
6dc42e49 | 317 | collect2 that describes all of the relevant switches of what to |
b3865ca9 RS |
318 | pass the compiler in building the list of pointers to constructors |
319 | and destructors. */ | |
320 | ||
321 | static struct obstack collect_obstack; | |
322 | ||
99360286 DE |
323 | /* Forward declaration for prototypes. */ |
324 | struct path_prefix; | |
76391e5a | 325 | struct prefix_list; |
99360286 | 326 | |
1d088dee AJ |
327 | static void init_spec (void); |
328 | static void store_arg (const char *, int, int); | |
fe7df9c4 | 329 | static void insert_wrapper (const char *); |
1d088dee | 330 | static char *load_specs (const char *); |
d168aaee CB |
331 | static void read_specs (const char *, bool, bool); |
332 | static void set_spec (const char *, const char *, bool); | |
1d088dee | 333 | static struct compiler *lookup_compiler (const char *, size_t, const char *); |
00dcee0c AM |
334 | static char *build_search_list (const struct path_prefix *, const char *, |
335 | bool, bool); | |
e9c15f6e | 336 | static void xputenv (const char *); |
00dcee0c AM |
337 | static void putenv_from_prefixes (const struct path_prefix *, const char *, |
338 | bool); | |
1d088dee | 339 | static int access_check (const char *, int); |
00dcee0c | 340 | static char *find_a_file (const struct path_prefix *, const char *, int, bool); |
1d088dee | 341 | static void add_prefix (struct path_prefix *, const char *, const char *, |
1a5d37a1 | 342 | int, int, int); |
1d088dee | 343 | static void add_sysrooted_prefix (struct path_prefix *, const char *, |
1a5d37a1 | 344 | const char *, int, int, int); |
1d088dee AJ |
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 *); | |
358 | static const char *eval_spec_function (const char *, const char *); | |
de5a5fa1 | 359 | static const char *handle_spec_function (const char *, bool *); |
1d088dee AJ |
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 *); | |
363 | static int do_spec_2 (const char *); | |
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 *); | |
00dcee0c | 367 | static int is_directory (const char *, bool); |
d168aaee | 368 | static const char *validate_switches (const char *, bool); |
1d088dee | 369 | static void validate_all_switches (void); |
d168aaee | 370 | static inline void validate_switches_from_spec (const char *, bool); |
1d088dee | 371 | static void give_switch (int, int); |
1d088dee AJ |
372 | static int default_arg (const char *, int); |
373 | static void set_multilib_dir (void); | |
374 | static void print_multilib_info (void); | |
375 | static void perror_with_name (const char *); | |
1d088dee AJ |
376 | static void display_help (void); |
377 | static void add_preprocessor_option (const char *, int); | |
378 | static void add_assembler_option (const char *, int); | |
379 | static void add_linker_option (const char *, int); | |
60cf253a | 380 | static void process_command (unsigned int, struct cl_decoded_option *); |
1d088dee AJ |
381 | static int execute (void); |
382 | static void alloc_args (void); | |
383 | static void clear_args (void); | |
2dec80c7 | 384 | static void fatal_signal (int); |
328163dc | 385 | #if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC) |
1d088dee AJ |
386 | static void init_gcc_specs (struct obstack *, const char *, const char *, |
387 | const char *); | |
6894579f | 388 | #endif |
40cdfca6 | 389 | #if defined(HAVE_TARGET_OBJECT_SUFFIX) || defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
1d088dee | 390 | static const char *convert_filename (const char *, int, int); |
40cdfca6 | 391 | #endif |
f3226a90 | 392 | |
1120a850 | 393 | static void try_generate_repro (const char **argv); |
30d8946b | 394 | static const char *getenv_spec_function (int, const char **); |
1d088dee AJ |
395 | static const char *if_exists_spec_function (int, const char **); |
396 | static const char *if_exists_else_spec_function (int, const char **); | |
de5a5fa1 | 397 | static const char *sanitize_spec_function (int, const char **); |
3dd53121 | 398 | static const char *replace_outfile_spec_function (int, const char **); |
2642f659 | 399 | static const char *remove_outfile_spec_function (int, const char **); |
ed5b9f96 | 400 | static const char *version_compare_spec_function (int, const char **); |
953ff289 | 401 | static const char *include_spec_function (int, const char **); |
4adbd5dd | 402 | static const char *find_file_spec_function (int, const char **); |
c1ce46a5 | 403 | static const char *find_plugindir_spec_function (int, const char **); |
a0f87454 | 404 | static const char *print_asm_header_spec_function (int, const char **); |
2153915d AO |
405 | static const char *compare_debug_dump_opt_spec_function (int, const char **); |
406 | static const char *compare_debug_self_opt_spec_function (int, const char **); | |
407 | static const char *compare_debug_auxbase_opt_spec_function (int, const char **); | |
9a37bc07 | 408 | static const char *pass_through_libs_spec_func (int, const char **); |
99ea153e | 409 | static const char *replace_extension_spec_func (int, const char **); |
cf7416c3 | 410 | static const char *greater_than_spec_func (int, const char **); |
1c70261c | 411 | static const char *debug_level_greater_than_spec_func (int, const char **); |
3c27ce4c | 412 | static char *convert_white_space (char *); |
ed1f651b | 413 | \f |
d991c721 BK |
414 | /* The Specs Language |
415 | ||
416 | Specs are strings containing lines, each of which (if not blank) | |
ed1f651b RS |
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 | |
14fdc613 | 433 | and not including the directory unless -save-temps was specified |
3beb864c | 434 | to put temporaries in a different location. |
ea414c97 | 435 | %B same as %b, but include the file suffix (text after the last period). |
dd75c292 CB |
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 | |
a92dd235 | 443 | the regexp "[.0-9A-Za-z]*%O"; "%O" is treated exactly as if it |
a1d9074c TT |
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. | |
4977bab6 ZW |
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.) | |
dd75c292 CB |
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. | |
49009afd JL |
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. | |
11972f66 NS |
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 %. | |
ed1f651b | 476 | %d marks the argument containing or following the %d as a |
026c3cfd | 477 | temporary file name, so that file will be deleted if GCC exits |
ed1f651b RS |
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. | |
17211ab5 | 482 | %V indicates that this compilation produces no "output file". |
ed1f651b | 483 | %W{...} |
e7208389 EB |
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. | |
ed1f651b RS |
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. | |
dd75c292 | 496 | %O substitutes the suffix for object files. Note that this is |
a1d9074c TT |
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'. | |
047d636f | 504 | %I Substitute any of -iprefix (made from GCC_EXEC_PREFIX), -isysroot |
2b6dd222 JM |
505 | (made from TARGET_SYSTEM_ROOT), -isystem (made from COMPILER_PATH |
506 | and -B options) and -imultilib as necessary. | |
ed1f651b RS |
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. | |
09da1532 | 512 | %nSTR Print STR as a notice. STR is terminated by a newline. |
ed1f651b RS |
513 | %x{OPTION} Accumulate an option for %X. |
514 | %X Output the accumulated linker options specified by compilations. | |
c9ebacb8 | 515 | %Y Output the accumulated assembler options specified by compilations. |
57cb9b60 | 516 | %Z Output the accumulated preprocessor options specified by compilations. |
ed1f651b RS |
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 | |
9ec36da5 | 521 | assembler has done its job. |
48ff801b | 522 | %D Dump out a -L option for each directory in startfile_prefixes. |
60103a34 | 523 | If multilib_dir is set, extra entries are generated with it affixed. |
ed1f651b RS |
524 | %l process LINK_SPEC as a spec. |
525 | %L process LIB_SPEC as a spec. | |
3cd50158 | 526 | %M Output multilib_os_dir. |
68d69835 | 527 | %G process LIBGCC_SPEC as a spec. |
380e5ca4 MM |
528 | %R Output the concatenation of target_system_root and |
529 | target_sysroot_suffix. | |
ed1f651b RS |
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. | |
9db0819e | 532 | %C process CPP_SPEC as a spec. |
ed1f651b RS |
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 | |
25990163 NC |
537 | a single space. A space is appended after the last substition |
538 | unless there is more text in current sequence. | |
4977bab6 ZW |
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. | |
96f5b137 | 543 | %>S Similar to "%<S", but keep it in the GCC command line. |
4977bab6 ZW |
544 | %<S* remove all occurrences of all switches beginning with -S from the |
545 | command line. | |
f3226a90 JT |
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. | |
ee618c17 | 552 | %{S} substitutes the -S switch, if that switch was given to GCC. |
ed1f651b RS |
553 | If that switch was not specified, this substitutes nothing. |
554 | Here S is a metasyntactic variable. | |
ee618c17 | 555 | %{S*} substitutes all the switches specified to GCC whose names start |
196a37f4 | 556 | with -S. This is used for -o, -I, etc; switches that take |
ee618c17 | 557 | arguments. GCC considers `-o foo' as being one switch whose |
ed1f651b RS |
558 | name starts with `o'. %{o*} would substitute this text, |
559 | including the space; thus, two arguments would be generated. | |
196a37f4 | 560 | %{S*&T*} likewise, but preserve order of S and T options (the order |
1d088dee AJ |
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*}. | |
4977bab6 | 564 | |
ee618c17 BE |
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. | |
4977bab6 | 567 | %{S*:X} substitutes X if one or more switches whose names start |
ee618c17 | 568 | with -S was given to GCC. Normally X is substituted only |
4977bab6 ZW |
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 | |
25990163 NC |
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. | |
4977bab6 ZW |
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. | |
48137d59 GK |
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. | |
3beb864c | 579 | |
ee618c17 | 580 | %{S|T:X} substitutes X if either -S or -T was given to GCC. This may be |
48137d59 GK |
581 | combined with '!', '.', ',', and '*' as above binding stronger |
582 | than the OR. | |
4977bab6 ZW |
583 | If %* appears in X, all of the alternatives must be starred, and |
584 | only the first matching alternative is substituted. | |
de5a5fa1 MP |
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. | |
ee618c17 BE |
589 | %{S:X; if S was given to GCC, substitutes X; |
590 | T:Y; else if T was given to GCC, substitutes Y; | |
4977bab6 | 591 | :D} else substitutes D. There can be as many clauses as you need. |
48137d59 | 592 | This may be combined with '.', '!', ',', '|', and '*' as above. |
4977bab6 | 593 | |
b3865ca9 | 594 | %(Spec) processes a specification defined in a specs file as *Spec: |
ed1f651b | 595 | |
31c83050 JD |
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 | ||
4977bab6 | 602 | The conditional text X in a %{S:X} or similar construct may contain |
ed1f651b | 603 | other nested % constructs or spaces, or even newlines. They are |
4977bab6 ZW |
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. | |
ed1f651b | 608 | |
99ea153e | 609 | The -O, -f, -g, -m, and -W switches are handled specifically in these |
f5b0eb4e RK |
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 | |
6c396fb5 RK |
612 | value is ignored, except with {S*} where S is just one letter; this |
613 | passes all matching options. | |
f5b0eb4e | 614 | |
9bf09437 RH |
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. | |
ed1f651b | 618 | |
ee618c17 | 619 | Note that it is built into GCC which switches take arguments and which |
ed1f651b RS |
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 | |
ee618c17 | 622 | this cannot be done in a consistent fashion. GCC cannot even decide |
ed1f651b RS |
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 | ||
ee618c17 | 627 | GCC also knows implicitly that arguments starting in `-l' are to be |
ed1f651b RS |
628 | treated as compiler output files, and passed to the linker in their |
629 | proper position among the other output files. */ | |
630 | \f | |
0fef3fd0 | 631 | /* Define the macros used for specs %a, %l, %L, %S, %C, %1. */ |
ed1f651b RS |
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 | |
99ea153e SA |
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 | }" | |
ed1f651b RS |
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 | |
68d69835 JM |
678 | #define LIB_SPEC "%{!shared:%{g*:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}}" |
679 | #endif | |
680 | ||
7458026b ILT |
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 | |
98906124 | 686 | only works with GNU ld and gold. */ |
402565b6 LB |
687 | #ifdef HAVE_GOLD_NON_DEFAULT_SPLIT_STACK |
688 | #define STACK_SPLIT_SPEC " %{fsplit-stack: -fuse-ld=gold --wrap=pthread_create}" | |
689 | #else | |
7458026b | 690 | #define STACK_SPLIT_SPEC " %{fsplit-stack: --wrap=pthread_create}" |
402565b6 | 691 | #endif |
7458026b | 692 | |
7e8d1b2d | 693 | #ifndef LIBASAN_SPEC |
35814b03 | 694 | #define STATIC_LIBASAN_LIBS \ |
9abed7fa | 695 | " %{static-libasan|static:%:include(libsanitizer.spec)%(link_libasan)}" |
e60e09a0 | 696 | #ifdef LIBASAN_EARLY_SPEC |
35814b03 | 697 | #define LIBASAN_SPEC STATIC_LIBASAN_LIBS |
e60e09a0 | 698 | #elif defined(HAVE_LD_STATIC_DYNAMIC) |
7e8d1b2d | 699 | #define LIBASAN_SPEC "%{static-libasan:" LD_STATIC_OPTION \ |
03d670c8 | 700 | "} -lasan %{static-libasan:" LD_DYNAMIC_OPTION "}" \ |
35814b03 | 701 | STATIC_LIBASAN_LIBS |
7e8d1b2d | 702 | #else |
35814b03 | 703 | #define LIBASAN_SPEC "-lasan" STATIC_LIBASAN_LIBS |
7e8d1b2d L |
704 | #endif |
705 | #endif | |
706 | ||
e60e09a0 JJ |
707 | #ifndef LIBASAN_EARLY_SPEC |
708 | #define LIBASAN_EARLY_SPEC "" | |
709 | #endif | |
710 | ||
32b4b7f5 | 711 | #ifndef LIBTSAN_SPEC |
35814b03 | 712 | #define STATIC_LIBTSAN_LIBS \ |
9abed7fa | 713 | " %{static-libtsan|static:%:include(libsanitizer.spec)%(link_libtsan)}" |
a74db9bd | 714 | #ifdef LIBTSAN_EARLY_SPEC |
35814b03 | 715 | #define LIBTSAN_SPEC STATIC_LIBTSAN_LIBS |
a74db9bd | 716 | #elif defined(HAVE_LD_STATIC_DYNAMIC) |
32b4b7f5 | 717 | #define LIBTSAN_SPEC "%{static-libtsan:" LD_STATIC_OPTION \ |
a74db9bd | 718 | "} -ltsan %{static-libtsan:" LD_DYNAMIC_OPTION "}" \ |
35814b03 | 719 | STATIC_LIBTSAN_LIBS |
32b4b7f5 | 720 | #else |
35814b03 | 721 | #define LIBTSAN_SPEC "-ltsan" STATIC_LIBTSAN_LIBS |
a74db9bd | 722 | #endif |
32b4b7f5 | 723 | #endif |
a74db9bd JJ |
724 | |
725 | #ifndef LIBTSAN_EARLY_SPEC | |
726 | #define LIBTSAN_EARLY_SPEC "" | |
32b4b7f5 DV |
727 | #endif |
728 | ||
9065ada9 | 729 | #ifndef LIBLSAN_SPEC |
35814b03 | 730 | #define STATIC_LIBLSAN_LIBS \ |
9abed7fa | 731 | " %{static-liblsan|static:%:include(libsanitizer.spec)%(link_liblsan)}" |
d30c7670 JJ |
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 \ | |
9065ada9 | 736 | "} -llsan %{static-liblsan:" LD_DYNAMIC_OPTION "}" \ |
d30c7670 | 737 | STATIC_LIBLSAN_LIBS |
9065ada9 | 738 | #else |
d30c7670 | 739 | #define LIBLSAN_SPEC "-llsan" STATIC_LIBLSAN_LIBS |
9065ada9 JJ |
740 | #endif |
741 | #endif | |
742 | ||
d30c7670 JJ |
743 | #ifndef LIBLSAN_EARLY_SPEC |
744 | #define LIBLSAN_EARLY_SPEC "" | |
745 | #endif | |
746 | ||
de5a5fa1 | 747 | #ifndef LIBUBSAN_SPEC |
35814b03 | 748 | #define STATIC_LIBUBSAN_LIBS \ |
9abed7fa | 749 | " %{static-libubsan|static:%:include(libsanitizer.spec)%(link_libubsan)}" |
9065ada9 | 750 | #ifdef HAVE_LD_STATIC_DYNAMIC |
de5a5fa1 MP |
751 | #define LIBUBSAN_SPEC "%{static-libubsan:" LD_STATIC_OPTION \ |
752 | "} -lubsan %{static-libubsan:" LD_DYNAMIC_OPTION "}" \ | |
35814b03 | 753 | STATIC_LIBUBSAN_LIBS |
de5a5fa1 | 754 | #else |
35814b03 | 755 | #define LIBUBSAN_SPEC "-lubsan" STATIC_LIBUBSAN_LIBS |
de5a5fa1 MP |
756 | #endif |
757 | #endif | |
758 | ||
29d7cbd1 RO |
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 | ||
68d69835 JM |
784 | /* config.h can define LIBGCC_SPEC to override how and when libgcc.a is |
785 | included. */ | |
786 | #ifndef LIBGCC_SPEC | |
328163dc MA |
787 | #if defined(REAL_LIBGCC_SPEC) |
788 | #define LIBGCC_SPEC REAL_LIBGCC_SPEC | |
57642751 | 789 | #elif defined(LINK_LIBGCC_SPECIAL_1) |
68d69835 | 790 | /* Have gcc do the search for libgcc.a. */ |
ba2b7435 | 791 | #define LIBGCC_SPEC "libgcc.a%s" |
68d69835 | 792 | #else |
ba2b7435 | 793 | #define LIBGCC_SPEC "-lgcc" |
68d69835 | 794 | #endif |
ed1f651b RS |
795 | #endif |
796 | ||
797 | /* config.h can define STARTFILE_SPEC to override the default crt0 files. */ | |
798 | #ifndef STARTFILE_SPEC | |
799 | #define STARTFILE_SPEC \ | |
adcb8d7d | 800 | "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}" |
ed1f651b RS |
801 | #endif |
802 | ||
ed1f651b RS |
803 | /* config.h can define ENDFILE_SPEC to override the default crtn files. */ |
804 | #ifndef ENDFILE_SPEC | |
805 | #define ENDFILE_SPEC "" | |
806 | #endif | |
807 | ||
10da1131 BM |
808 | #ifndef LINKER_NAME |
809 | #define LINKER_NAME "collect2" | |
810 | #endif | |
811 | ||
c8aea42c PB |
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 | ||
29d7cbd1 RO |
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 | ||
5f0e9ea2 GK |
845 | /* Define ASM_DEBUG_SPEC to be a spec suitable for translating '-g' |
846 | to the assembler. */ | |
847 | #ifndef ASM_DEBUG_SPEC | |
b2ace8a4 JJ |
848 | # if defined(DBX_DEBUGGING_INFO) && defined(DWARF2_DEBUGGING_INFO) \ |
849 | && defined(HAVE_AS_GDWARF2_DEBUG_FLAG) && defined(HAVE_AS_GSTABS_DEBUG_FLAG) | |
c8aea42c PB |
850 | # define ASM_DEBUG_SPEC \ |
851 | (PREFERRED_DEBUGGING_TYPE == DBX_DEBUG \ | |
1c70261c JJ |
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) | |
b2ace8a4 JJ |
856 | # else |
857 | # if defined(DBX_DEBUGGING_INFO) && defined(HAVE_AS_GSTABS_DEBUG_FLAG) | |
1c70261c | 858 | # define ASM_DEBUG_SPEC "%{g*:%{%:debug-level-gt(0):--gstabs}}" ASM_MAP |
b2ace8a4 JJ |
859 | # endif |
860 | # if defined(DWARF2_DEBUGGING_INFO) && defined(HAVE_AS_GDWARF2_DEBUG_FLAG) | |
1c70261c | 861 | # define ASM_DEBUG_SPEC "%{g*:%{%:debug-level-gt(0):--gdwarf2}}" ASM_MAP |
5f0e9ea2 | 862 | # endif |
5f0e9ea2 GK |
863 | # endif |
864 | #endif | |
8a63621f JJ |
865 | #ifndef ASM_DEBUG_SPEC |
866 | # define ASM_DEBUG_SPEC "" | |
867 | #endif | |
5f0e9ea2 | 868 | |
ea414c97 ZW |
869 | /* Here is the spec for running the linker, after compiling all files. */ |
870 | ||
bbd7687d DM |
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 | |
f37866e8 | 875 | #define LINK_GCC_C_SEQUENCE_SPEC "%G %{!nolibc:%L %G}" |
bbd7687d DM |
876 | #endif |
877 | ||
77008252 JJ |
878 | #ifndef LINK_SSP_SPEC |
879 | #ifdef TARGET_LIBC_PROVIDES_SSP | |
33eaef4b RO |
880 | #define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ |
881 | "|fstack-protector-strong|fstack-protector-explicit:}" | |
77008252 | 882 | #else |
33eaef4b RO |
883 | #define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ |
884 | "|fstack-protector-strong|fstack-protector-explicit" \ | |
885 | ":-lssp_nonshared -lssp}" | |
77008252 JJ |
886 | #endif |
887 | #endif | |
888 | ||
428b3812 | 889 | #ifdef ENABLE_DEFAULT_PIE |
7345b714 | 890 | #define PIE_SPEC "!no-pie" |
428b3812 L |
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" | |
428b3812 L |
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 | ||
24a4dd31 JJ |
931 | #ifndef LINK_PIE_SPEC |
932 | #ifdef HAVE_LD_PIE | |
df2a1cc4 | 933 | #ifndef LD_PIE_SPEC |
428b3812 | 934 | #define LD_PIE_SPEC "-pie" |
df2a1cc4 | 935 | #endif |
24a4dd31 | 936 | #else |
428b3812 | 937 | #define LD_PIE_SPEC "" |
24a4dd31 | 938 | #endif |
7345b714 | 939 | #define LINK_PIE_SPEC "%{static|shared|r:;" PIE_SPEC ":" LD_PIE_SPEC "} " |
24a4dd31 JJ |
940 | #endif |
941 | ||
cd533689 PP |
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 | ||
55b46574 | 948 | /* Conditional to test whether the LTO plugin is used or not. |
56e22cab JH |
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 | |
55b46574 RO |
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 | |
f3ba16d0 | 959 | #define PLUGIN_COND "!fno-use-linker-plugin:%{!fno-lto" |
56e22cab | 960 | #define PLUGIN_COND_CLOSE "}" |
96bdf9b4 | 961 | #else |
55b46574 RO |
962 | /* The linker used has limited plugin support, use LTO plugin with explicit |
963 | -fuse-linker-plugin. */ | |
96bdf9b4 | 964 | #define PLUGIN_COND "fuse-linker-plugin" |
56e22cab | 965 | #define PLUGIN_COND_CLOSE "" |
96bdf9b4 | 966 | #endif |
55b46574 | 967 | #define LINK_PLUGIN_SPEC \ |
16998094 | 968 | "%{" PLUGIN_COND": \ |
55b46574 RO |
969 | -plugin %(linker_plugin_file) \ |
970 | -plugin-opt=%(lto_wrapper) \ | |
971 | -plugin-opt=-fresolution=%u.res \ | |
5b42d196 | 972 | %{flinker-output=*:-plugin-opt=-linker-output-known} \ |
55b46574 | 973 | %{!nostdlib:%{!nodefaultlibs:%:pass-through-libs(%(link_gcc_c_sequence))}} \ |
16998094 | 974 | }" PLUGIN_COND_CLOSE |
55b46574 RO |
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 | |
96bdf9b4 | 980 | |
a74db9bd JJ |
981 | /* Linker command line options for -fsanitize= early on the command line. */ |
982 | #ifndef SANITIZER_EARLY_SPEC | |
983 | #define SANITIZER_EARLY_SPEC "\ | |
de5a5fa1 | 984 | %{!nostdlib:%{!nodefaultlibs:%{%:sanitize(address):" LIBASAN_EARLY_SPEC "} \ |
d30c7670 JJ |
985 | %{%:sanitize(thread):" LIBTSAN_EARLY_SPEC "} \ |
986 | %{%:sanitize(leak):" LIBLSAN_EARLY_SPEC "}}}" | |
a74db9bd JJ |
987 | #endif |
988 | ||
989 | /* Linker command line options for -fsanitize= late on the command line. */ | |
990 | #ifndef SANITIZER_SPEC | |
991 | #define SANITIZER_SPEC "\ | |
de5a5fa1 | 992 | %{!nostdlib:%{!nodefaultlibs:%{%:sanitize(address):" LIBASAN_SPEC "\ |
fec4842d | 993 | %{static:%ecannot specify -static with -fsanitize=address}}\ |
de5a5fa1 | 994 | %{%:sanitize(thread):" LIBTSAN_SPEC "\ |
4bb0ca2d | 995 | %{static:%ecannot specify -static with -fsanitize=thread}}\ |
bdfc619e | 996 | %{%:sanitize(undefined):" LIBUBSAN_SPEC "}\ |
9065ada9 | 997 | %{%:sanitize(leak):" LIBLSAN_SPEC "}}}" |
a74db9bd | 998 | #endif |
cd533689 | 999 | |
d9386123 AP |
1000 | #ifndef POST_LINK_SPEC |
1001 | #define POST_LINK_SPEC "" | |
1002 | #endif | |
1003 | ||
2077db1b CT |
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 | |
ad103b01 | 1009 | #if ENABLE_VTABLE_VERIFY |
2077db1b CT |
1010 | #define VTABLE_VERIFICATION_SPEC "\ |
1011 | %{!nostdlib:%{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}}" | |
ad103b01 RO |
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 | |
2077db1b CT |
1021 | #endif |
1022 | ||
ea414c97 | 1023 | /* -u* was put back because both BSD and SysV seem to support it. */ |
b4fed890 | 1024 | /* %{static|no-pie|static-pie:} simply prevents an error message: |
7345b714 L |
1025 | 1. If the target machine doesn't handle -static. |
1026 | 2. If PIE isn't enabled by default. | |
b4fed890 | 1027 | 3. If the target machine doesn't handle -static-pie. |
7345b714 | 1028 | */ |
ea414c97 ZW |
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. */ | |
014d92e1 | 1032 | /* We pass any -flto flags on to the linker, which is expected |
d7f09764 | 1033 | to understand them. In practice, this means it had better be collect2. */ |
fa381cb2 | 1034 | /* %{e*} includes -export-dynamic; see comment in common.opt. */ |
ea414c97 ZW |
1035 | #ifndef LINK_COMMAND_SPEC |
1036 | #define LINK_COMMAND_SPEC "\ | |
1037 | %{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\ | |
55b46574 RO |
1038 | %(linker) " \ |
1039 | LINK_PLUGIN_SPEC \ | |
a74db9bd | 1040 | "%{flto|flto=*:%<fcompare-debug*} \ |
d8857ac6 | 1041 | %{flto} %{fno-lto} %{flto=*} %l " LINK_PIE_SPEC \ |
29d7cbd1 RO |
1042 | "%{fuse-ld=*:-fuse-ld=%*} " LINK_COMPRESS_DEBUG_SPEC \ |
1043 | "%X %{o*} %{e*} %{N} %{n} %{r}\ | |
e5ef217c | 1044 | %{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}} \ |
e7208389 | 1045 | %{static|no-pie|static-pie:} %@{L*} %(mfwrap) %(link_libgcc) " \ |
31db0fe0 | 1046 | VTABLE_VERIFICATION_SPEC " " SANITIZER_EARLY_SPEC " %o "" \ |
f3609a89 | 1047 | %{fopenacc|fopenmp|%:gt(%{ftree-parallelize-loops=*:%*} 1):\ |
cf7416c3 | 1048 | %:include(libgomp.spec)%(link_gomp)}\ |
255a9a1b | 1049 | %{fgnu-tm:%:include(libitm.spec)%(link_itm)}\ |
7458026b | 1050 | %(mflib) " STACK_SPLIT_SPEC "\ |
a74db9bd | 1051 | %{fprofile-arcs|fprofile-generate*|coverage:-lgcov} " SANITIZER_SPEC " \ |
9714c911 | 1052 | %{!nostdlib:%{!nodefaultlibs:%(link_ssp) %(link_gcc_c_sequence)}}\ |
d9386123 | 1053 | %{!nostdlib:%{!nostartfiles:%E}} %{T*} \n%(post_link) }}}}}}" |
ea414c97 ZW |
1054 | #endif |
1055 | ||
1056 | #ifndef LINK_LIBGCC_SPEC | |
57642751 DJ |
1057 | /* Generate -L options for startfile prefix list. */ |
1058 | # define LINK_LIBGCC_SPEC "%D" | |
ea414c97 ZW |
1059 | #endif |
1060 | ||
343f59d9 AM |
1061 | #ifndef STARTFILE_PREFIX_SPEC |
1062 | # define STARTFILE_PREFIX_SPEC "" | |
1063 | #endif | |
1064 | ||
380e5ca4 MM |
1065 | #ifndef SYSROOT_SPEC |
1066 | # define SYSROOT_SPEC "--sysroot=%R" | |
1067 | #endif | |
1068 | ||
e7f13528 GP |
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 | ||
b24513a1 | 1077 | static const char *asm_debug = ASM_DEBUG_SPEC; |
3b304f5b | 1078 | static const char *cpp_spec = CPP_SPEC; |
3b304f5b ZW |
1079 | static const char *cc1_spec = CC1_SPEC; |
1080 | static const char *cc1plus_spec = CC1PLUS_SPEC; | |
bbd7687d | 1081 | static const char *link_gcc_c_sequence_spec = LINK_GCC_C_SEQUENCE_SPEC; |
77008252 | 1082 | static const char *link_ssp_spec = LINK_SSP_SPEC; |
3b304f5b ZW |
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; | |
953ff289 | 1087 | static const char *link_gomp_spec = ""; |
3b304f5b ZW |
1088 | static const char *libgcc_spec = LIBGCC_SPEC; |
1089 | static const char *endfile_spec = ENDFILE_SPEC; | |
1090 | static const char *startfile_spec = STARTFILE_SPEC; | |
3b304f5b | 1091 | static const char *linker_name_spec = LINKER_NAME; |
d7f09764 DN |
1092 | static const char *linker_plugin_file_spec = ""; |
1093 | static const char *lto_wrapper_spec = ""; | |
1094 | static const char *lto_gcc_spec = ""; | |
d9386123 | 1095 | static const char *post_link_spec = POST_LINK_SPEC; |
ea414c97 ZW |
1096 | static const char *link_command_spec = LINK_COMMAND_SPEC; |
1097 | static const char *link_libgcc_spec = LINK_LIBGCC_SPEC; | |
343f59d9 | 1098 | static const char *startfile_prefix_spec = STARTFILE_PREFIX_SPEC; |
380e5ca4 | 1099 | static const char *sysroot_spec = SYSROOT_SPEC; |
e7f13528 GP |
1100 | static const char *sysroot_suffix_spec = SYSROOT_SUFFIX_SPEC; |
1101 | static const char *sysroot_hdrs_suffix_spec = SYSROOT_HEADERS_SUFFIX_SPEC; | |
84f405a1 | 1102 | static const char *self_spec = ""; |
ea414c97 ZW |
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 | ||
e5f5feea NB |
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. */ | |
ea414c97 | 1113 | static const char *trad_capable_cpp = |
3028a95c | 1114 | "cc1 -E %{traditional|traditional-cpp:-traditional-cpp}"; |
ea414c97 | 1115 | |
4ca1256f NB |
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. */ | |
ffdeea47 | 1119 | static const char *cpp_unique_options = |
e7208389 | 1120 | "%{!Q:-quiet} %{nostdinc*} %{C} %{CC} %{v} %@{I*&F*} %{P} %I\ |
c878765b JM |
1121 | %{MD:-MD %{!o:%b.d}%{o*:%.d%*}}\ |
1122 | %{MMD:-MMD %{!o:%b.d}%{o*:%.d%*}}\ | |
4ca1256f | 1123 | %{M} %{MM} %{MF*} %{MG} %{MP} %{MQ*} %{MT*}\ |
3dfe046f | 1124 | %{!E:%{!M:%{!MM:%{!MT:%{!MQ:%{MD|MMD:%{o*:-MQ %*}}}}}}}\ |
180295ed | 1125 | %{remap} %{g3|ggdb3|gstabs3|gxcoff3|gvms3:-dD}\ |
c1ce46a5 | 1126 | %{!iplugindir*:%{fplugin*:%:find-plugindir()}}\ |
3a610de8 | 1127 | %{H} %C %{D*&U*&A*} %{i*} %Z %i\ |
56cd5b95 | 1128 | %{E|M|MM:%W{o*}}"; |
ffdeea47 JJ |
1129 | |
1130 | /* This contains cpp options which are common with cc1_options and are passed | |
059ba716 CD |
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. */ | |
ffdeea47 | 1135 | static const char *cpp_options = |
740ca4b2 | 1136 | "%(cpp_unique_options) %1 %{m*} %{std*&ansi&trigraphs} %{W*&pedantic*} %{w}\ |
1c70261c JJ |
1137 | %{f*} %{g*:%{%:debug-level-gt(0):%{g*}\ |
1138 | %{!fno-working-directory:-fworking-directory}}} %{O*}\ | |
14fdc613 | 1139 | %{undef} %{save-temps*:-fpch-preprocess}"; |
ea414c97 | 1140 | |
8b968bd1 MW |
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 | ||
708bceb7 | 1145 | /* NB: This is shared amongst all front-ends, except for Ada. */ |
ea414c97 ZW |
1146 | static const char *cc1_options = |
1147 | "%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\ | |
c1ce46a5 | 1148 | %{!iplugindir*:%{fplugin*:%:find-plugindir()}}\ |
1890bccc | 1149 | %1 %{!Q:-quiet} %{!dumpbase:-dumpbase %B} %{d*} %{m*} %{aux-info*}\ |
2153915d AO |
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}} \ | |
740ca4b2 | 1152 | %{g*} %{O*} %{W*&pedantic*} %{w} %{std*&ansi&trigraphs}\ |
3df89291 | 1153 | %{v:-version} %{pg:-p} %{p} %{f*} %{undef}\ |
dd9f93dc | 1154 | %{Qn:-fno-ident} %{Qy:} %{-help:--help}\ |
e200444e JM |
1155 | %{-target-help:--target-help}\ |
1156 | %{-version:--version}\ | |
1157 | %{-help=*:--help=%*}\ | |
49009afd | 1158 | %{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}}\ |
6de9cd9a | 1159 | %{fsyntax-only:-o %j} %{-param*}\ |
2d5edbed ML |
1160 | %{coverage:-fprofile-arcs -ftest-coverage}\ |
1161 | %{fprofile-arcs|fprofile-generate*|coverage:\ | |
1162 | %{!fprofile-update=single:\ | |
4d209853 | 1163 | %{pthread:-fprofile-update=prefer-atomic}}}"; |
ea414c97 ZW |
1164 | |
1165 | static const char *asm_options = | |
a016dc83 | 1166 | "%{-target-help:%:print-asm-header()} " |
dc60b775 CD |
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 | |
29d7cbd1 | 1172 | ASM_COMPRESS_DEBUG_SPEC |
dc60b775 | 1173 | "%a %Y %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}"; |
ffd86336 | 1174 | |
5a8e2650 | 1175 | static const char *invoke_as = |
4977bab6 | 1176 | #ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT |
f300e7b8 | 1177 | "%{!fwpa*:\ |
d7f09764 DN |
1178 | %{fcompare-debug=*|fdump-final-insns=*:%:compare-debug-dump-opt()}\ |
1179 | %{!S:-o %|.s |\n as %(asm_options) %|.s %A }\ | |
1180 | }"; | |
4977bab6 | 1181 | #else |
f300e7b8 | 1182 | "%{!fwpa*:\ |
d7f09764 DN |
1183 | %{fcompare-debug=*|fdump-final-insns=*:%:compare-debug-dump-opt()}\ |
1184 | %{!S:-o %|.s |\n as %(asm_options) %m.s %A }\ | |
1185 | }"; | |
4977bab6 | 1186 | #endif |
5a8e2650 | 1187 | |
ffd86336 | 1188 | /* Some compilers have limits on line lengths, and the multilib_select |
961b7009 MM |
1189 | and/or multilib_matches strings can be very long, so we build them at |
1190 | run time. */ | |
ffd86336 | 1191 | static struct obstack multilib_obstack; |
3b304f5b ZW |
1192 | static const char *multilib_select; |
1193 | static const char *multilib_matches; | |
1194 | static const char *multilib_defaults; | |
1195 | static const char *multilib_exclusions; | |
e7f49d92 | 1196 | static const char *multilib_reuse; |
961b7009 MM |
1197 | |
1198 | /* Check whether a particular argument is a default argument. */ | |
1199 | ||
1200 | #ifndef MULTILIB_DEFAULTS | |
1201 | #define MULTILIB_DEFAULTS { "" } | |
1202 | #endif | |
1203 | ||
d25a45d4 | 1204 | static const char *const multilib_defaults_raw[] = MULTILIB_DEFAULTS; |
ed1f651b | 1205 | |
db36994b RS |
1206 | #ifndef DRIVER_SELF_SPECS |
1207 | #define DRIVER_SELF_SPECS "" | |
1208 | #endif | |
1209 | ||
de14871c | 1210 | /* Linking to libgomp implies pthreads. This is particularly important |
953ff289 DN |
1211 | for targets that use different start files and suchlike. */ |
1212 | #ifndef GOMP_SELF_SPECS | |
cf7416c3 | 1213 | #define GOMP_SELF_SPECS \ |
f3609a89 | 1214 | "%{fopenacc|fopenmp|%:gt(%{ftree-parallelize-loops=*:%*} 1): " \ |
41dbbb37 | 1215 | "-pthread}" |
953ff289 DN |
1216 | #endif |
1217 | ||
255a9a1b EB |
1218 | /* Likewise for -fgnu-tm. */ |
1219 | #ifndef GTM_SELF_SPECS | |
1220 | #define GTM_SELF_SPECS "%{fgnu-tm: -pthread}" | |
1221 | #endif | |
1222 | ||
953ff289 | 1223 | static const char *const driver_self_specs[] = { |
b5b8b0ac | 1224 | "%{fdump-final-insns:-fdump-final-insns=.} %<fdump-final-insns", |
5e9d6aa4 | 1225 | DRIVER_SELF_SPECS, CONFIGURE_SPECS, GOMP_SELF_SPECS, GTM_SELF_SPECS |
953ff289 | 1226 | }; |
db36994b | 1227 | |
7816bea0 DJ |
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 | ||
3ac63d94 NC |
1241 | struct user_specs |
1242 | { | |
d9ac3a07 | 1243 | struct user_specs *next; |
878f32c3 | 1244 | const char *filename; |
d9ac3a07 MM |
1245 | }; |
1246 | ||
1247 | static struct user_specs *user_specs_head, *user_specs_tail; | |
1248 | ||
ed1f651b RS |
1249 | \f |
1250 | /* Record the mapping from file suffixes for compilation specs. */ | |
1251 | ||
1252 | struct compiler | |
1253 | { | |
878f32c3 | 1254 | const char *suffix; /* Use this compiler for input files |
ed1f651b | 1255 | whose names end in this suffix. */ |
ec32609a | 1256 | |
ea414c97 | 1257 | const char *spec; /* To use this compiler, run this spec. */ |
a9374841 MM |
1258 | |
1259 | const char *cpp_spec; /* If non-NULL, substitute this spec | |
1260 | for `%C', rather than the usual | |
1261 | cpp_spec. */ | |
c3684b7b | 1262 | int combinable; /* If nonzero, compiler can deal with |
0855eab7 | 1263 | multiple source files at once (IMA). */ |
c3684b7b | 1264 | int needs_preprocessing; /* If nonzero, source files need to |
0855eab7 | 1265 | be run through a preprocessor. */ |
ed1f651b RS |
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 | ||
5e65297b | 1285 | static const struct compiler default_compilers[] = |
ed1f651b | 1286 | { |
4689ad58 | 1287 | /* Add lists of suffixes of known languages here. If those languages |
e9a25f70 JL |
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 | |
4689ad58 | 1290 | linking is not done". */ |
0855eab7 | 1291 | {".m", "#Objective-C", 0, 0, 0}, {".mi", "#Objective-C", 0, 0, 0}, |
ad8c162b ZL |
1292 | {".mm", "#Objective-C++", 0, 0, 0}, {".M", "#Objective-C++", 0, 0, 0}, |
1293 | {".mii", "#Objective-C++", 0, 0, 0}, | |
7904f95f EC |
1294 | {".cc", "#C++", 0, 0, 0}, {".cxx", "#C++", 0, 0, 0}, |
1295 | {".cpp", "#C++", 0, 0, 0}, {".cp", "#C++", 0, 0, 0}, | |
0855eab7 CT |
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}, | |
3135ce84 FXC |
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}, | |
0855eab7 | 1307 | {".r", "#Ratfor", 0, 0, 0}, |
7a938933 | 1308 | {".go", "#Go", 0, 1, 0}, |
4689ad58 | 1309 | /* Next come the entries for C. */ |
c3224d6f | 1310 | {".c", "@c", 0, 0, 1}, |
ed1f651b | 1311 | {"@c", |
5a8e2650 | 1312 | /* cc1 has an integrated ISO C preprocessor. We should invoke the |
f458d1d5 | 1313 | external preprocessor if -save-temps is given. */ |
f749a36b | 1314 | "%{E|M|MM:%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)}\ |
5a8e2650 | 1315 | %{!E:%{!M:%{!MM:\ |
3028a95c | 1316 | %{traditional:\ |
f458d1d5 | 1317 | %eGNU C no longer supports -traditional without -E}\ |
c3224d6f RG |
1318 | %{save-temps*|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \ |
1319 | %(cpp_options) -o %{save-temps*:%b.i} %{!save-temps*:%g.i} \n\ | |
1320 | cc1 -fpreprocessed %{save-temps*:%b.i} %{!save-temps*:%g.i} \ | |
1321 | %(cc1_options)}\ | |
1322 | %{!save-temps*:%{!traditional-cpp:%{!no-integrated-cpp:\ | |
1323 | cc1 %(cpp_unique_options) %(cc1_options)}}}\ | |
1324 | %{!fsyntax-only:%(invoke_as)}}}}", 0, 0, 1}, | |
ed1f651b | 1325 | {"-", |
6ba40dd7 | 1326 | "%{!E:%e-E or -x required when input is from standard input}\ |
0855eab7 CT |
1327 | %(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)", 0, 0, 0}, |
1328 | {".h", "@c-header", 0, 0, 0}, | |
ed1f651b | 1329 | {"@c-header", |
17211ab5 GK |
1330 | /* cc1 has an integrated ISO C preprocessor. We should invoke the |
1331 | external preprocessor if -save-temps is given. */ | |
1332 | "%{E|M|MM:%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)}\ | |
1333 | %{!E:%{!M:%{!MM:\ | |
14fdc613 MM |
1334 | %{save-temps*|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \ |
1335 | %(cpp_options) -o %{save-temps*:%b.i} %{!save-temps*:%g.i} \n\ | |
1336 | cc1 -fpreprocessed %{save-temps*:%b.i} %{!save-temps*:%g.i} \ | |
0de12fcc | 1337 | %(cc1_options)\ |
6b5b4e9c | 1338 | %{!fsyntax-only:%{!S:-o %g.s} \ |
6935a923 PMR |
1339 | %{!fdump-ada-spec*:%{!o*:--output-pch=%i.gch}\ |
1340 | %W{o*:--output-pch=%*}}%V}}\ | |
14fdc613 | 1341 | %{!save-temps*:%{!traditional-cpp:%{!no-integrated-cpp:\ |
17211ab5 | 1342 | cc1 %(cpp_unique_options) %(cc1_options)\ |
79335075 | 1343 | %{!fsyntax-only:%{!S:-o %g.s} \ |
6935a923 PMR |
1344 | %{!fdump-ada-spec*:%{!o*:--output-pch=%i.gch}\ |
1345 | %W{o*:--output-pch=%*}}%V}}}}}}}", 0, 0, 0}, | |
c3224d6f | 1346 | {".i", "@cpp-output", 0, 0, 0}, |
ed1f651b | 1347 | {"@cpp-output", |
ca3da783 | 1348 | "%{!M:%{!MM:%{!E:cc1 -fpreprocessed %i %(cc1_options) %{!fsyntax-only:%(invoke_as)}}}}", 0, 0, 0}, |
a0d43bac | 1349 | {".s", "@assembler", 0, 0, 0}, |
ed1f651b | 1350 | {"@assembler", |
a0d43bac JZ |
1351 | "%{!M:%{!MM:%{!E:%{!S:as %(asm_debug) %(asm_options) %i %A }}}}", 0, 0, 0}, |
1352 | {".sx", "@assembler-with-cpp", 0, 0, 0}, | |
1353 | {".S", "@assembler-with-cpp", 0, 0, 0}, | |
ed1f651b | 1354 | {"@assembler-with-cpp", |
4977bab6 | 1355 | #ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT |
2710d6d7 | 1356 | "%(trad_capable_cpp) -lang-asm %(cpp_options) -fno-directives-only\ |
8b968bd1 | 1357 | %{E|M|MM:%(cpp_debug_options)}\ |
4977bab6 ZW |
1358 | %{!M:%{!MM:%{!E:%{!S:-o %|.s |\n\ |
1359 | as %(asm_debug) %(asm_options) %|.s %A }}}}" | |
1360 | #else | |
2710d6d7 | 1361 | "%(trad_capable_cpp) -lang-asm %(cpp_options) -fno-directives-only\ |
4977bab6 ZW |
1362 | %{E|M|MM:%(cpp_debug_options)}\ |
1363 | %{!M:%{!MM:%{!E:%{!S:-o %|.s |\n\ | |
1364 | as %(asm_debug) %(asm_options) %m.s %A }}}}" | |
1365 | #endif | |
a0d43bac | 1366 | , 0, 0, 0}, |
1d088dee | 1367 | |
1346ae41 | 1368 | #include "specs.h" |
f9da5064 | 1369 | /* Mark end of table. */ |
0855eab7 | 1370 | {0, 0, 0, 0, 0} |
ed1f651b RS |
1371 | }; |
1372 | ||
1373 | /* Number of elements in default_compilers, not counting the terminator. */ | |
1374 | ||
ca7558fc | 1375 | static const int n_default_compilers = ARRAY_SIZE (default_compilers) - 1; |
ed1f651b | 1376 | |
69d540bd | 1377 | typedef char *char_p; /* For DEF_VEC_P. */ |
69d540bd | 1378 | |
ed1f651b | 1379 | /* A vector of options to give to the linker. |
368dfd3a | 1380 | These options are accumulated by %x, |
ed1f651b | 1381 | and substituted into the linker command with %X. */ |
9771b263 | 1382 | static vec<char_p> linker_options; |
c9ebacb8 RS |
1383 | |
1384 | /* A vector of options to give to the assembler. | |
1385 | These options are accumulated by -Wa, | |
57cb9b60 | 1386 | and substituted into the assembler command with %Y. */ |
9771b263 | 1387 | static vec<char_p> assembler_options; |
57cb9b60 JW |
1388 | |
1389 | /* A vector of options to give to the preprocessor. | |
1390 | These options are accumulated by -Wp, | |
1391 | and substituted into the preprocessor command with %Z. */ | |
9771b263 | 1392 | static vec<char_p> preprocessor_options; |
ed1f651b | 1393 | \f |
ed1f651b | 1394 | static char * |
1d088dee | 1395 | skip_whitespace (char *p) |
ed1f651b RS |
1396 | { |
1397 | while (1) | |
1398 | { | |
1399 | /* A fully-blank line is a delimiter in the SPEC file and shouldn't | |
1400 | be considered whitespace. */ | |
1401 | if (p[0] == '\n' && p[1] == '\n' && p[2] == '\n') | |
1402 | return p + 1; | |
1403 | else if (*p == '\n' || *p == ' ' || *p == '\t') | |
1404 | p++; | |
1405 | else if (*p == '#') | |
1406 | { | |
d25a45d4 KH |
1407 | while (*p != '\n') |
1408 | p++; | |
ed1f651b RS |
1409 | p++; |
1410 | } | |
1411 | else | |
1412 | break; | |
1413 | } | |
1414 | ||
1415 | return p; | |
1416 | } | |
2296d164 RK |
1417 | /* Structures to keep track of prefixes to try when looking for files. */ |
1418 | ||
1419 | struct prefix_list | |
1420 | { | |
8060c8ee | 1421 | const char *prefix; /* String to prepend to the path. */ |
2296d164 RK |
1422 | struct prefix_list *next; /* Next in linked list. */ |
1423 | int require_machine_suffix; /* Don't use without machine_suffix. */ | |
1424 | /* 2 means try both machine_suffix and just_machine_suffix. */ | |
5bbcd587 JJ |
1425 | int priority; /* Sort key - priority within list. */ |
1426 | int os_multilib; /* 1 if OS multilib scheme should be used, | |
1427 | 0 for GCC multilib scheme. */ | |
2296d164 RK |
1428 | }; |
1429 | ||
1430 | struct path_prefix | |
1431 | { | |
1432 | struct prefix_list *plist; /* List of prefixes to try */ | |
1433 | int max_len; /* Max length of a prefix in PLIST */ | |
1434 | const char *name; /* Name of this list (used in config stuff) */ | |
1435 | }; | |
1436 | ||
1437 | /* List of prefixes to try when looking for executables. */ | |
1438 | ||
1439 | static struct path_prefix exec_prefixes = { 0, 0, "exec" }; | |
1440 | ||
1441 | /* List of prefixes to try when looking for startup (crt0) files. */ | |
1442 | ||
1443 | static struct path_prefix startfile_prefixes = { 0, 0, "startfile" }; | |
1444 | ||
1445 | /* List of prefixes to try when looking for include files. */ | |
1446 | ||
1447 | static struct path_prefix include_prefixes = { 0, 0, "include" }; | |
1448 | ||
1449 | /* Suffix to attach to directories searched for commands. | |
1450 | This looks like `MACHINE/VERSION/'. */ | |
1451 | ||
1452 | static const char *machine_suffix = 0; | |
1453 | ||
1454 | /* Suffix to attach to directories searched for commands. | |
1455 | This is just `MACHINE/'. */ | |
1456 | ||
1457 | static const char *just_machine_suffix = 0; | |
1458 | ||
1459 | /* Adjusted value of GCC_EXEC_PREFIX envvar. */ | |
1460 | ||
1461 | static const char *gcc_exec_prefix; | |
1462 | ||
a8ee6e2d GK |
1463 | /* Adjusted value of standard_libexec_prefix. */ |
1464 | ||
1465 | static const char *gcc_libexec_prefix; | |
1466 | ||
2296d164 RK |
1467 | /* Default prefixes to attach to command names. */ |
1468 | ||
656c7a3a AL |
1469 | #ifndef STANDARD_STARTFILE_PREFIX_1 |
1470 | #define STANDARD_STARTFILE_PREFIX_1 "/lib/" | |
1471 | #endif | |
1472 | #ifndef STANDARD_STARTFILE_PREFIX_2 | |
1473 | #define STANDARD_STARTFILE_PREFIX_2 "/usr/lib/" | |
1474 | #endif | |
7904f95f | 1475 | |
2989d30c | 1476 | #ifdef CROSS_DIRECTORY_STRUCTURE /* Don't use these prefixes for a cross compiler. */ |
2296d164 RK |
1477 | #undef MD_EXEC_PREFIX |
1478 | #undef MD_STARTFILE_PREFIX | |
1479 | #undef MD_STARTFILE_PREFIX_1 | |
1480 | #endif | |
1481 | ||
1482 | /* If no prefixes defined, use the null string, which will disable them. */ | |
1483 | #ifndef MD_EXEC_PREFIX | |
1484 | #define MD_EXEC_PREFIX "" | |
1485 | #endif | |
1486 | #ifndef MD_STARTFILE_PREFIX | |
1487 | #define MD_STARTFILE_PREFIX "" | |
1488 | #endif | |
1489 | #ifndef MD_STARTFILE_PREFIX_1 | |
1490 | #define MD_STARTFILE_PREFIX_1 "" | |
1491 | #endif | |
1492 | ||
f4c0a303 CD |
1493 | /* These directories are locations set at configure-time based on the |
1494 | --prefix option provided to configure. Their initializers are | |
1495 | defined in Makefile.in. These paths are not *directly* used when | |
1496 | gcc_exec_prefix is set because, in that case, we know where the | |
1497 | compiler has been installed, and use paths relative to that | |
1498 | location instead. */ | |
27c38fbe | 1499 | static const char *const standard_exec_prefix = STANDARD_EXEC_PREFIX; |
f4c0a303 CD |
1500 | static const char *const standard_libexec_prefix = STANDARD_LIBEXEC_PREFIX; |
1501 | static const char *const standard_bindir_prefix = STANDARD_BINDIR_PREFIX; | |
1502 | static const char *const standard_startfile_prefix = STANDARD_STARTFILE_PREFIX; | |
1503 | ||
1504 | /* For native compilers, these are well-known paths containing | |
1505 | components that may be provided by the system. For cross | |
1506 | compilers, these paths are not used. */ | |
2296d164 | 1507 | static const char *md_exec_prefix = MD_EXEC_PREFIX; |
2296d164 RK |
1508 | static const char *md_startfile_prefix = MD_STARTFILE_PREFIX; |
1509 | static const char *md_startfile_prefix_1 = MD_STARTFILE_PREFIX_1; | |
c662432e | 1510 | static const char *const standard_startfile_prefix_1 |
656c7a3a AL |
1511 | = STANDARD_STARTFILE_PREFIX_1; |
1512 | static const char *const standard_startfile_prefix_2 | |
1513 | = STANDARD_STARTFILE_PREFIX_2; | |
2296d164 | 1514 | |
f4c0a303 CD |
1515 | /* A relative path to be used in finding the location of tools |
1516 | relative to the driver. */ | |
27c38fbe | 1517 | static const char *const tooldir_base_prefix = TOOLDIR_BASE_PREFIX; |
a8ee6e2d | 1518 | |
fc8b3540 IV |
1519 | /* A prefix to be used when this is an accelerator compiler. */ |
1520 | static const char *const accel_dir_suffix = ACCEL_DIR_SUFFIX; | |
1521 | ||
2296d164 RK |
1522 | /* Subdirectory to use for locating libraries. Set by |
1523 | set_multilib_dir based on the compilation options. */ | |
1524 | ||
1525 | static const char *multilib_dir; | |
5bbcd587 JJ |
1526 | |
1527 | /* Subdirectory to use for locating libraries in OS conventions. Set by | |
1528 | set_multilib_dir based on the compilation options. */ | |
1529 | ||
1530 | static const char *multilib_os_dir; | |
e0cdc09f MK |
1531 | |
1532 | /* Subdirectory to use for locating libraries in multiarch conventions. Set by | |
1533 | set_multilib_dir based on the compilation options. */ | |
1534 | ||
1535 | static const char *multiarch_dir; | |
ed1f651b | 1536 | \f |
0f41302f | 1537 | /* Structure to keep track of the specs that have been defined so far. |
3ce9f090 JM |
1538 | These are accessed using %(specname) in a compiler or link |
1539 | spec. */ | |
ed1f651b RS |
1540 | |
1541 | struct spec_list | |
1542 | { | |
79aff5ac MM |
1543 | /* The following 2 fields must be first */ |
1544 | /* to allow EXTRA_SPECS to be initialized */ | |
3b304f5b ZW |
1545 | const char *name; /* name of the spec. */ |
1546 | const char *ptr; /* available ptr if no static pointer */ | |
79aff5ac MM |
1547 | |
1548 | /* The following fields are not initialized */ | |
1549 | /* by EXTRA_SPECS */ | |
3b304f5b | 1550 | const char **ptr_spec; /* pointer to the spec itself. */ |
79aff5ac MM |
1551 | struct spec_list *next; /* Next spec in linked list. */ |
1552 | int name_len; /* length of the name */ | |
d168aaee CB |
1553 | bool user_p; /* whether string come from file spec. */ |
1554 | bool alloc_p; /* whether string was allocated */ | |
9376dd63 | 1555 | const char *default_ptr; /* The default value of *ptr_spec. */ |
ed1f651b RS |
1556 | }; |
1557 | ||
79aff5ac | 1558 | #define INIT_STATIC_SPEC(NAME,PTR) \ |
9376dd63 DM |
1559 | { NAME, NULL, PTR, (struct spec_list *) 0, sizeof (NAME) - 1, false, false, \ |
1560 | *PTR } | |
79aff5ac | 1561 | |
3ac63d94 NC |
1562 | /* List of statically defined specs. */ |
1563 | static struct spec_list static_specs[] = | |
1564 | { | |
79aff5ac | 1565 | INIT_STATIC_SPEC ("asm", &asm_spec), |
5f0e9ea2 | 1566 | INIT_STATIC_SPEC ("asm_debug", &asm_debug), |
79aff5ac | 1567 | INIT_STATIC_SPEC ("asm_final", &asm_final_spec), |
ea414c97 | 1568 | INIT_STATIC_SPEC ("asm_options", &asm_options), |
5a8e2650 | 1569 | INIT_STATIC_SPEC ("invoke_as", &invoke_as), |
79aff5ac | 1570 | INIT_STATIC_SPEC ("cpp", &cpp_spec), |
ea414c97 | 1571 | INIT_STATIC_SPEC ("cpp_options", &cpp_options), |
8b968bd1 | 1572 | INIT_STATIC_SPEC ("cpp_debug_options", &cpp_debug_options), |
ffdeea47 | 1573 | INIT_STATIC_SPEC ("cpp_unique_options", &cpp_unique_options), |
ea414c97 | 1574 | INIT_STATIC_SPEC ("trad_capable_cpp", &trad_capable_cpp), |
79aff5ac | 1575 | INIT_STATIC_SPEC ("cc1", &cc1_spec), |
ea414c97 | 1576 | INIT_STATIC_SPEC ("cc1_options", &cc1_options), |
79aff5ac | 1577 | INIT_STATIC_SPEC ("cc1plus", &cc1plus_spec), |
bbd7687d | 1578 | INIT_STATIC_SPEC ("link_gcc_c_sequence", &link_gcc_c_sequence_spec), |
77008252 | 1579 | INIT_STATIC_SPEC ("link_ssp", &link_ssp_spec), |
79aff5ac MM |
1580 | INIT_STATIC_SPEC ("endfile", &endfile_spec), |
1581 | INIT_STATIC_SPEC ("link", &link_spec), | |
1582 | INIT_STATIC_SPEC ("lib", &lib_spec), | |
953ff289 | 1583 | INIT_STATIC_SPEC ("link_gomp", &link_gomp_spec), |
79aff5ac MM |
1584 | INIT_STATIC_SPEC ("libgcc", &libgcc_spec), |
1585 | INIT_STATIC_SPEC ("startfile", &startfile_spec), | |
79aff5ac MM |
1586 | INIT_STATIC_SPEC ("cross_compile", &cross_compile), |
1587 | INIT_STATIC_SPEC ("version", &compiler_version), | |
1588 | INIT_STATIC_SPEC ("multilib", &multilib_select), | |
1589 | INIT_STATIC_SPEC ("multilib_defaults", &multilib_defaults), | |
1590 | INIT_STATIC_SPEC ("multilib_extra", &multilib_extra), | |
1591 | INIT_STATIC_SPEC ("multilib_matches", &multilib_matches), | |
0a8d6618 | 1592 | INIT_STATIC_SPEC ("multilib_exclusions", &multilib_exclusions), |
5bbcd587 | 1593 | INIT_STATIC_SPEC ("multilib_options", &multilib_options), |
e7f49d92 | 1594 | INIT_STATIC_SPEC ("multilib_reuse", &multilib_reuse), |
10da1131 | 1595 | INIT_STATIC_SPEC ("linker", &linker_name_spec), |
d7f09764 DN |
1596 | INIT_STATIC_SPEC ("linker_plugin_file", &linker_plugin_file_spec), |
1597 | INIT_STATIC_SPEC ("lto_wrapper", <o_wrapper_spec), | |
1598 | INIT_STATIC_SPEC ("lto_gcc", <o_gcc_spec), | |
d9386123 | 1599 | INIT_STATIC_SPEC ("post_link", &post_link_spec), |
ea414c97 | 1600 | INIT_STATIC_SPEC ("link_libgcc", &link_libgcc_spec), |
2296d164 RK |
1601 | INIT_STATIC_SPEC ("md_exec_prefix", &md_exec_prefix), |
1602 | INIT_STATIC_SPEC ("md_startfile_prefix", &md_startfile_prefix), | |
1603 | INIT_STATIC_SPEC ("md_startfile_prefix_1", &md_startfile_prefix_1), | |
343f59d9 | 1604 | INIT_STATIC_SPEC ("startfile_prefix_spec", &startfile_prefix_spec), |
380e5ca4 | 1605 | INIT_STATIC_SPEC ("sysroot_spec", &sysroot_spec), |
e7f13528 GP |
1606 | INIT_STATIC_SPEC ("sysroot_suffix_spec", &sysroot_suffix_spec), |
1607 | INIT_STATIC_SPEC ("sysroot_hdrs_suffix_spec", &sysroot_hdrs_suffix_spec), | |
84f405a1 | 1608 | INIT_STATIC_SPEC ("self_spec", &self_spec), |
79aff5ac MM |
1609 | }; |
1610 | ||
1611 | #ifdef EXTRA_SPECS /* additional specs needed */ | |
829245be | 1612 | /* Structure to keep track of just the first two args of a spec_list. |
3ac63d94 | 1613 | That is all that the EXTRA_SPECS macro gives us. */ |
829245be KG |
1614 | struct spec_list_1 |
1615 | { | |
8b60264b KG |
1616 | const char *const name; |
1617 | const char *const ptr; | |
829245be KG |
1618 | }; |
1619 | ||
8b60264b | 1620 | static const struct spec_list_1 extra_specs_1[] = { EXTRA_SPECS }; |
d25a45d4 | 1621 | static struct spec_list *extra_specs = (struct spec_list *) 0; |
79aff5ac MM |
1622 | #endif |
1623 | ||
1624 | /* List of dynamically allocates specs that have been defined so far. */ | |
1625 | ||
9218435e | 1626 | static struct spec_list *specs = (struct spec_list *) 0; |
79aff5ac | 1627 | \f |
f3226a90 JT |
1628 | /* List of static spec functions. */ |
1629 | ||
1630 | static const struct spec_function static_spec_functions[] = | |
1631 | { | |
30d8946b | 1632 | { "getenv", getenv_spec_function }, |
f3226a90 | 1633 | { "if-exists", if_exists_spec_function }, |
152a5a9c | 1634 | { "if-exists-else", if_exists_else_spec_function }, |
de5a5fa1 | 1635 | { "sanitize", sanitize_spec_function }, |
3dd53121 | 1636 | { "replace-outfile", replace_outfile_spec_function }, |
2642f659 | 1637 | { "remove-outfile", remove_outfile_spec_function }, |
ed5b9f96 | 1638 | { "version-compare", version_compare_spec_function }, |
953ff289 | 1639 | { "include", include_spec_function }, |
4adbd5dd | 1640 | { "find-file", find_file_spec_function }, |
c1ce46a5 | 1641 | { "find-plugindir", find_plugindir_spec_function }, |
a0f87454 | 1642 | { "print-asm-header", print_asm_header_spec_function }, |
2153915d AO |
1643 | { "compare-debug-dump-opt", compare_debug_dump_opt_spec_function }, |
1644 | { "compare-debug-self-opt", compare_debug_self_opt_spec_function }, | |
1645 | { "compare-debug-auxbase-opt", compare_debug_auxbase_opt_spec_function }, | |
9a37bc07 | 1646 | { "pass-through-libs", pass_through_libs_spec_func }, |
99ea153e | 1647 | { "replace-extension", replace_extension_spec_func }, |
cf7416c3 | 1648 | { "gt", greater_than_spec_func }, |
1c70261c | 1649 | { "debug-level-gt", debug_level_greater_than_spec_func }, |
fa959ce4 MM |
1650 | #ifdef EXTRA_SPEC_FUNCTIONS |
1651 | EXTRA_SPEC_FUNCTIONS | |
1652 | #endif | |
f3226a90 JT |
1653 | { 0, 0 } |
1654 | }; | |
1655 | ||
1656 | static int processing_spec_function; | |
1657 | \f | |
049f6ec9 MM |
1658 | /* Add appropriate libgcc specs to OBSTACK, taking into account |
1659 | various permutations of -shared-libgcc, -shared, and such. */ | |
1660 | ||
328163dc | 1661 | #if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC) |
8efcd34f AM |
1662 | |
1663 | #ifndef USE_LD_AS_NEEDED | |
1664 | #define USE_LD_AS_NEEDED 0 | |
1665 | #endif | |
1666 | ||
049f6ec9 | 1667 | static void |
1d088dee AJ |
1668 | init_gcc_specs (struct obstack *obstack, const char *shared_name, |
1669 | const char *static_name, const char *eh_name) | |
049f6ec9 | 1670 | { |
5c181756 AO |
1671 | char *buf; |
1672 | ||
8efcd34f | 1673 | #if USE_LD_AS_NEEDED |
b4fed890 L |
1674 | buf = concat ("%{static|static-libgcc|static-pie:", static_name, " ", eh_name, "}" |
1675 | "%{!static:%{!static-libgcc:%{!static-pie:" | |
5e4f1974 | 1676 | "%{!shared-libgcc:", |
e927b6ad RO |
1677 | static_name, " " LD_AS_NEEDED_OPTION " ", |
1678 | shared_name, " " LD_NO_AS_NEEDED_OPTION | |
5e4f1974 AM |
1679 | "}" |
1680 | "%{shared-libgcc:", | |
1681 | shared_name, "%{!shared: ", static_name, "}" | |
b4fed890 | 1682 | "}}" |
765f1bf9 | 1683 | #else |
b4fed890 L |
1684 | buf = concat ("%{static|static-libgcc:", static_name, " ", eh_name, "}" |
1685 | "%{!static:%{!static-libgcc:" | |
5e4f1974 AM |
1686 | "%{!shared:" |
1687 | "%{!shared-libgcc:", static_name, " ", eh_name, "}" | |
1688 | "%{shared-libgcc:", shared_name, " ", static_name, "}" | |
1689 | "}" | |
275b60d6 | 1690 | #ifdef LINK_EH_SPEC |
5e4f1974 AM |
1691 | "%{shared:" |
1692 | "%{shared-libgcc:", shared_name, "}" | |
1693 | "%{!shared-libgcc:", static_name, "}" | |
1694 | "}" | |
275b60d6 | 1695 | #else |
5e4f1974 | 1696 | "%{shared:", shared_name, "}" |
765f1bf9 | 1697 | #endif |
275b60d6 | 1698 | #endif |
5e4f1974 | 1699 | "}}", NULL); |
5c181756 AO |
1700 | |
1701 | obstack_grow (obstack, buf, strlen (buf)); | |
1702 | free (buf); | |
049f6ec9 | 1703 | } |
6894579f | 1704 | #endif /* ENABLE_SHARED_LIBGCC */ |
049f6ec9 | 1705 | |
79aff5ac MM |
1706 | /* Initialize the specs lookup routines. */ |
1707 | ||
1708 | static void | |
7e51717c | 1709 | init_spec (void) |
79aff5ac | 1710 | { |
9218435e KH |
1711 | struct spec_list *next = (struct spec_list *) 0; |
1712 | struct spec_list *sl = (struct spec_list *) 0; | |
79aff5ac MM |
1713 | int i; |
1714 | ||
1715 | if (specs) | |
3ac63d94 | 1716 | return; /* Already initialized. */ |
79aff5ac | 1717 | |
20df0482 | 1718 | if (verbose_flag) |
2dec80c7 | 1719 | fnotice (stderr, "Using built-in specs.\n"); |
20df0482 | 1720 | |
79aff5ac | 1721 | #ifdef EXTRA_SPECS |
e1e4cdc4 | 1722 | extra_specs = XCNEWVEC (struct spec_list, ARRAY_SIZE (extra_specs_1)); |
9218435e | 1723 | |
b6a1cbae | 1724 | for (i = ARRAY_SIZE (extra_specs_1) - 1; i >= 0; i--) |
03fc1620 JW |
1725 | { |
1726 | sl = &extra_specs[i]; | |
829245be KG |
1727 | sl->name = extra_specs_1[i].name; |
1728 | sl->ptr = extra_specs_1[i].ptr; | |
03fc1620 JW |
1729 | sl->next = next; |
1730 | sl->name_len = strlen (sl->name); | |
1731 | sl->ptr_spec = &sl->ptr; | |
9376dd63 DM |
1732 | gcc_assert (sl->ptr_spec != NULL); |
1733 | sl->default_ptr = sl->ptr; | |
03fc1620 JW |
1734 | next = sl; |
1735 | } | |
79aff5ac MM |
1736 | #endif |
1737 | ||
b6a1cbae | 1738 | for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--) |
79aff5ac MM |
1739 | { |
1740 | sl = &static_specs[i]; | |
1741 | sl->next = next; | |
1742 | next = sl; | |
1743 | } | |
1744 | ||
328163dc | 1745 | #if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC) |
9db0819e RH |
1746 | /* ??? If neither -shared-libgcc nor --static-libgcc was |
1747 | seen, then we should be making an educated guess. Some proposed | |
1748 | heuristics for ELF include: | |
1749 | ||
1750 | (1) If "-Wl,--export-dynamic", then it's a fair bet that the | |
1751 | program will be doing dynamic loading, which will likely | |
1752 | need the shared libgcc. | |
1753 | ||
1754 | (2) If "-ldl", then it's also a fair bet that we're doing | |
1755 | dynamic loading. | |
1756 | ||
1757 | (3) For each ET_DYN we're linking against (either through -lfoo | |
1758 | or /some/path/foo.so), check to see whether it or one of | |
ff7cc307 | 1759 | its dependencies depends on a shared libgcc. |
9db0819e RH |
1760 | |
1761 | (4) If "-shared" | |
1762 | ||
1763 | If the runtime is fixed to look for program headers instead | |
1764 | of calling __register_frame_info at all, for each object, | |
1765 | use the shared libgcc if any EH symbol referenced. | |
1766 | ||
1767 | If crtstuff is fixed to not invoke __register_frame_info | |
1768 | automatically, for each object, use the shared libgcc if | |
1769 | any non-empty unwind section found. | |
1770 | ||
1771 | Doing any of this probably requires invoking an external program to | |
1772 | do the actual object file scanning. */ | |
1773 | { | |
1774 | const char *p = libgcc_spec; | |
1775 | int in_sep = 1; | |
589005ff | 1776 | |
16757495 | 1777 | /* Transform the extant libgcc_spec into one that uses the shared libgcc |
9db0819e RH |
1778 | when given the proper command line arguments. */ |
1779 | while (*p) | |
1780 | { | |
589005ff | 1781 | if (in_sep && *p == '-' && strncmp (p, "-lgcc", 5) == 0) |
9db0819e | 1782 | { |
049f6ec9 | 1783 | init_gcc_specs (&obstack, |
049f6ec9 | 1784 | "-lgcc_s" |
443728bb L |
1785 | #ifdef USE_LIBUNWIND_EXCEPTIONS |
1786 | " -lunwind" | |
4977bab6 | 1787 | #endif |
348d71c7 JW |
1788 | , |
1789 | "-lgcc", | |
1790 | "-lgcc_eh" | |
4977bab6 | 1791 | #ifdef USE_LIBUNWIND_EXCEPTIONS |
7e9d8517 | 1792 | # ifdef HAVE_LD_STATIC_DYNAMIC |
b4fed890 L |
1793 | " %{!static:%{!static-pie:" LD_STATIC_OPTION "}} -lunwind" |
1794 | " %{!static:%{!static-pie:" LD_DYNAMIC_OPTION "}}" | |
7e9d8517 | 1795 | # else |
4977bab6 | 1796 | " -lunwind" |
7e9d8517 | 1797 | # endif |
9db0819e | 1798 | #endif |
348d71c7 JW |
1799 | ); |
1800 | ||
ba2b7435 | 1801 | p += 5; |
9db0819e RH |
1802 | in_sep = 0; |
1803 | } | |
ba2b7435 | 1804 | else if (in_sep && *p == 'l' && strncmp (p, "libgcc.a%s", 10) == 0) |
9db0819e RH |
1805 | { |
1806 | /* Ug. We don't know shared library extensions. Hope that | |
1807 | systems that use this form don't do shared libraries. */ | |
049f6ec9 | 1808 | init_gcc_specs (&obstack, |
4e8d0554 | 1809 | "-lgcc_s", |
275b60d6 | 1810 | "libgcc.a%s", |
aedec8dd JW |
1811 | "libgcc_eh.a%s" |
1812 | #ifdef USE_LIBUNWIND_EXCEPTIONS | |
1813 | " -lunwind" | |
1814 | #endif | |
1815 | ); | |
ba2b7435 | 1816 | p += 10; |
9db0819e RH |
1817 | in_sep = 0; |
1818 | } | |
1819 | else | |
1820 | { | |
1821 | obstack_1grow (&obstack, *p); | |
1822 | in_sep = (*p == ' '); | |
1823 | p += 1; | |
1824 | } | |
1825 | } | |
1826 | ||
1827 | obstack_1grow (&obstack, '\0'); | |
7973fd2a | 1828 | libgcc_spec = XOBFINISH (&obstack, const char *); |
9db0819e RH |
1829 | } |
1830 | #endif | |
c64688ae RH |
1831 | #ifdef USE_AS_TRADITIONAL_FORMAT |
1832 | /* Prepend "--traditional-format" to whatever asm_spec we had before. */ | |
1833 | { | |
8b60264b | 1834 | static const char tf[] = "--traditional-format "; |
c3284718 | 1835 | obstack_grow (&obstack, tf, sizeof (tf) - 1); |
c64688ae | 1836 | obstack_grow0 (&obstack, asm_spec, strlen (asm_spec)); |
7973fd2a | 1837 | asm_spec = XOBFINISH (&obstack, const char *); |
c64688ae RH |
1838 | } |
1839 | #endif | |
cd533689 | 1840 | |
79bec923 ST |
1841 | #if defined LINK_EH_SPEC || defined LINK_BUILDID_SPEC || \ |
1842 | defined LINKER_HASH_STYLE | |
cd533689 PP |
1843 | # ifdef LINK_BUILDID_SPEC |
1844 | /* Prepend LINK_BUILDID_SPEC to whatever link_spec we had before. */ | |
c3284718 | 1845 | obstack_grow (&obstack, LINK_BUILDID_SPEC, sizeof (LINK_BUILDID_SPEC) - 1); |
cd533689 PP |
1846 | # endif |
1847 | # ifdef LINK_EH_SPEC | |
275b60d6 | 1848 | /* Prepend LINK_EH_SPEC to whatever link_spec we had before. */ |
c3284718 | 1849 | obstack_grow (&obstack, LINK_EH_SPEC, sizeof (LINK_EH_SPEC) - 1); |
79bec923 ST |
1850 | # endif |
1851 | # ifdef LINKER_HASH_STYLE | |
1852 | /* Prepend --hash-style=LINKER_HASH_STYLE to whatever link_spec we had | |
1853 | before. */ | |
1854 | { | |
1855 | static const char hash_style[] = "--hash-style="; | |
c3284718 RS |
1856 | obstack_grow (&obstack, hash_style, sizeof (hash_style) - 1); |
1857 | obstack_grow (&obstack, LINKER_HASH_STYLE, sizeof (LINKER_HASH_STYLE) - 1); | |
79bec923 ST |
1858 | obstack_1grow (&obstack, ' '); |
1859 | } | |
cd533689 | 1860 | # endif |
275b60d6 | 1861 | obstack_grow0 (&obstack, link_spec, strlen (link_spec)); |
7973fd2a | 1862 | link_spec = XOBFINISH (&obstack, const char *); |
275b60d6 | 1863 | #endif |
9db0819e | 1864 | |
79aff5ac MM |
1865 | specs = sl; |
1866 | } | |
ed1f651b RS |
1867 | \f |
1868 | /* Change the value of spec NAME to SPEC. If SPEC is empty, then the spec is | |
1869 | removed; If the spec starts with a + then SPEC is added to the end of the | |
0f41302f | 1870 | current spec. */ |
ed1f651b RS |
1871 | |
1872 | static void | |
d168aaee | 1873 | set_spec (const char *name, const char *spec, bool user_p) |
ed1f651b RS |
1874 | { |
1875 | struct spec_list *sl; | |
3b304f5b | 1876 | const char *old_spec; |
79aff5ac MM |
1877 | int name_len = strlen (name); |
1878 | int i; | |
1879 | ||
3ac63d94 | 1880 | /* If this is the first call, initialize the statically allocated specs. */ |
20df0482 MM |
1881 | if (!specs) |
1882 | { | |
9218435e | 1883 | struct spec_list *next = (struct spec_list *) 0; |
b6a1cbae | 1884 | for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--) |
20df0482 MM |
1885 | { |
1886 | sl = &static_specs[i]; | |
1887 | sl->next = next; | |
1888 | next = sl; | |
1889 | } | |
1890 | specs = sl; | |
1891 | } | |
1892 | ||
3ac63d94 | 1893 | /* See if the spec already exists. */ |
ed1f651b | 1894 | for (sl = specs; sl; sl = sl->next) |
79aff5ac | 1895 | if (name_len == sl->name_len && !strcmp (sl->name, name)) |
ed1f651b RS |
1896 | break; |
1897 | ||
1898 | if (!sl) | |
1899 | { | |
3ac63d94 | 1900 | /* Not found - make it. */ |
5ed6ace5 | 1901 | sl = XNEW (struct spec_list); |
ad85216e | 1902 | sl->name = xstrdup (name); |
79aff5ac MM |
1903 | sl->name_len = name_len; |
1904 | sl->ptr_spec = &sl->ptr; | |
1905 | sl->alloc_p = 0; | |
1906 | *(sl->ptr_spec) = ""; | |
ed1f651b | 1907 | sl->next = specs; |
9376dd63 | 1908 | sl->default_ptr = NULL; |
ed1f651b RS |
1909 | specs = sl; |
1910 | } | |
1911 | ||
79aff5ac | 1912 | old_spec = *(sl->ptr_spec); |
e51712db | 1913 | *(sl->ptr_spec) = ((spec[0] == '+' && ISSPACE ((unsigned char)spec[1])) |
d4f2852f | 1914 | ? concat (old_spec, spec + 1, NULL) |
ad85216e | 1915 | : xstrdup (spec)); |
841faeed | 1916 | |
20df0482 MM |
1917 | #ifdef DEBUG_SPECS |
1918 | if (verbose_flag) | |
2dec80c7 | 1919 | fnotice (stderr, "Setting spec %s to '%s'\n\n", name, *(sl->ptr_spec)); |
20df0482 MM |
1920 | #endif |
1921 | ||
3ac63d94 | 1922 | /* Free the old spec. */ |
79aff5ac | 1923 | if (old_spec && sl->alloc_p) |
c3284718 | 1924 | free (CONST_CAST (char *, old_spec)); |
79aff5ac | 1925 | |
d168aaee CB |
1926 | sl->user_p = user_p; |
1927 | sl->alloc_p = true; | |
ed1f651b RS |
1928 | } |
1929 | \f | |
1930 | /* Accumulate a command (program name and args), and run it. */ | |
1931 | ||
5b634ee0 | 1932 | typedef const char *const_char_p; /* For DEF_VEC_P. */ |
ed1f651b | 1933 | |
5b634ee0 | 1934 | /* Vector of pointers to arguments in the current line of specifications. */ |
9771b263 | 1935 | static vec<const_char_p> argbuf; |
ed1f651b | 1936 | |
e7208389 EB |
1937 | /* Likewise, but for the current @file. */ |
1938 | static vec<const_char_p> at_file_argbuf; | |
1939 | ||
1940 | /* Whether an @file is currently open. */ | |
1941 | static bool in_at_file = false; | |
1942 | ||
1b5bc8e9 | 1943 | /* Were the options -c, -S or -E passed. */ |
af41c57d AP |
1944 | static int have_c = 0; |
1945 | ||
1946 | /* Was the option -o passed. */ | |
1947 | static int have_o = 0; | |
1948 | ||
7e8400e2 ML |
1949 | /* Was the option -E passed. */ |
1950 | static int have_E = 0; | |
1951 | ||
3d00119c AB |
1952 | /* Pointer to output file name passed in with -o. */ |
1953 | static const char *output_file = 0; | |
1954 | ||
49009afd JL |
1955 | /* This is the list of suffixes and codes (%g/%u/%U/%j) and the associated |
1956 | temp file. If the HOST_BIT_BUCKET is used for %j, no entry is made for | |
1957 | it here. */ | |
fb266030 TW |
1958 | |
1959 | static struct temp_name { | |
878f32c3 | 1960 | const char *suffix; /* suffix associated with the code. */ |
fb266030 TW |
1961 | int length; /* strlen (suffix). */ |
1962 | int unique; /* Indicates whether %g or %u/%U was used. */ | |
878f32c3 | 1963 | const char *filename; /* associated filename. */ |
fb266030 TW |
1964 | int filename_length; /* strlen (filename). */ |
1965 | struct temp_name *next; | |
1966 | } *temp_names; | |
39d45901 | 1967 | |
ed1f651b RS |
1968 | /* Number of commands executed so far. */ |
1969 | ||
1970 | static int execution_count; | |
1971 | ||
3b9b4d3f RS |
1972 | /* Number of commands that exited with a signal. */ |
1973 | ||
1974 | static int signal_count; | |
ed1f651b | 1975 | \f |
f3226a90 JT |
1976 | /* Allocate the argument vector. */ |
1977 | ||
1978 | static void | |
7e51717c | 1979 | alloc_args (void) |
f3226a90 | 1980 | { |
9771b263 | 1981 | argbuf.create (10); |
e7208389 | 1982 | at_file_argbuf.create (10); |
f3226a90 JT |
1983 | } |
1984 | ||
ed1f651b RS |
1985 | /* Clear out the vector of arguments (after a command is executed). */ |
1986 | ||
1987 | static void | |
1d088dee | 1988 | clear_args (void) |
ed1f651b | 1989 | { |
9771b263 | 1990 | argbuf.truncate (0); |
e7208389 | 1991 | at_file_argbuf.truncate (0); |
ed1f651b RS |
1992 | } |
1993 | ||
1994 | /* Add one argument to the vector at the end. | |
1995 | This is done when a space is seen or at the end of the line. | |
1996 | If DELETE_ALWAYS is nonzero, the arg is a filename | |
1997 | and the file should be deleted eventually. | |
1998 | If DELETE_FAILURE is nonzero, the arg is a filename | |
1999 | and the file should be deleted if this compilation fails. */ | |
2000 | ||
2001 | static void | |
1d088dee | 2002 | store_arg (const char *arg, int delete_always, int delete_failure) |
ed1f651b | 2003 | { |
e7208389 EB |
2004 | if (in_at_file) |
2005 | at_file_argbuf.safe_push (arg); | |
2006 | else | |
2007 | argbuf.safe_push (arg); | |
ed1f651b RS |
2008 | |
2009 | if (delete_always || delete_failure) | |
d6205185 RG |
2010 | { |
2011 | const char *p; | |
2012 | /* If the temporary file we should delete is specified as | |
2013 | part of a joined argument extract the filename. */ | |
2014 | if (arg[0] == '-' | |
2015 | && (p = strrchr (arg, '='))) | |
2016 | arg = p + 1; | |
2017 | record_temp_file (arg, delete_always, delete_failure); | |
2018 | } | |
ed1f651b | 2019 | } |
e7208389 EB |
2020 | |
2021 | /* Open a temporary @file into which subsequent arguments will be stored. */ | |
2022 | ||
2023 | static void | |
2024 | open_at_file (void) | |
2025 | { | |
2026 | if (in_at_file) | |
2027 | fatal_error (input_location, "cannot open nested response file"); | |
2028 | else | |
2029 | in_at_file = true; | |
2030 | } | |
2031 | ||
2032 | /* Close the temporary @file and add @file to the argument list. */ | |
2033 | ||
2034 | static void | |
2035 | close_at_file (void) | |
2036 | { | |
2037 | if (!in_at_file) | |
2038 | fatal_error (input_location, "cannot close nonexistent response file"); | |
2039 | ||
2040 | in_at_file = false; | |
2041 | ||
2042 | const unsigned int n_args = at_file_argbuf.length (); | |
2043 | if (n_args == 0) | |
2044 | return; | |
2045 | ||
2046 | char **argv = (char **) alloca (sizeof (char *) * (n_args + 1)); | |
2047 | char *temp_file = make_temp_file (""); | |
2048 | char *at_argument = concat ("@", temp_file, NULL); | |
2049 | FILE *f = fopen (temp_file, "w"); | |
2050 | int status; | |
2051 | unsigned int i; | |
2052 | ||
2053 | /* Copy the strings over. */ | |
2054 | for (i = 0; i < n_args; i++) | |
2055 | argv[i] = CONST_CAST (char *, at_file_argbuf[i]); | |
2056 | argv[i] = NULL; | |
2057 | ||
2058 | at_file_argbuf.truncate (0); | |
2059 | ||
2060 | if (f == NULL) | |
2061 | fatal_error (input_location, "could not open temporary response file %s", | |
2062 | temp_file); | |
2063 | ||
2064 | status = writeargv (argv, f); | |
2065 | ||
2066 | if (status) | |
2067 | fatal_error (input_location, | |
2068 | "could not write to temporary response file %s", | |
2069 | temp_file); | |
2070 | ||
2071 | status = fclose (f); | |
2072 | ||
2073 | if (status == EOF) | |
2074 | fatal_error (input_location, "could not close temporary response file %s", | |
2075 | temp_file); | |
2076 | ||
2077 | store_arg (at_argument, 0, 0); | |
2078 | ||
2079 | record_temp_file (temp_file, !save_temps_flag, !save_temps_flag); | |
2080 | } | |
ed1f651b | 2081 | \f |
ff7cc307 | 2082 | /* Load specs from a file name named FILENAME, replacing occurrences of |
9218435e | 2083 | various different types of line-endings, \r\n, \n\r and just \r, with |
b633b6c0 | 2084 | a single \n. */ |
20df0482 | 2085 | |
d25a45d4 | 2086 | static char * |
1d088dee | 2087 | load_specs (const char *filename) |
20df0482 MM |
2088 | { |
2089 | int desc; | |
2090 | int readlen; | |
2091 | struct stat statbuf; | |
2092 | char *buffer; | |
b633b6c0 MK |
2093 | char *buffer_p; |
2094 | char *specs; | |
2095 | char *specs_p; | |
20df0482 MM |
2096 | |
2097 | if (verbose_flag) | |
2dec80c7 | 2098 | fnotice (stderr, "Reading specs from %s\n", filename); |
20df0482 MM |
2099 | |
2100 | /* Open and stat the file. */ | |
2101 | desc = open (filename, O_RDONLY, 0); | |
2102 | if (desc < 0) | |
2103 | pfatal_with_name (filename); | |
2104 | if (stat (filename, &statbuf) < 0) | |
2105 | pfatal_with_name (filename); | |
2106 | ||
2107 | /* Read contents of file into BUFFER. */ | |
5ed6ace5 | 2108 | buffer = XNEWVEC (char, statbuf.st_size + 1); |
20df0482 MM |
2109 | readlen = read (desc, buffer, (unsigned) statbuf.st_size); |
2110 | if (readlen < 0) | |
2111 | pfatal_with_name (filename); | |
2112 | buffer[readlen] = 0; | |
2113 | close (desc); | |
2114 | ||
5ed6ace5 | 2115 | specs = XNEWVEC (char, readlen + 1); |
b633b6c0 MK |
2116 | specs_p = specs; |
2117 | for (buffer_p = buffer; buffer_p && *buffer_p; buffer_p++) | |
2118 | { | |
2119 | int skip = 0; | |
2120 | char c = *buffer_p; | |
2121 | if (c == '\r') | |
d25a45d4 KH |
2122 | { |
2123 | if (buffer_p > buffer && *(buffer_p - 1) == '\n') /* \n\r */ | |
b633b6c0 | 2124 | skip = 1; |
d25a45d4 | 2125 | else if (*(buffer_p + 1) == '\n') /* \r\n */ |
b633b6c0 MK |
2126 | skip = 1; |
2127 | else /* \r */ | |
2128 | c = '\n'; | |
2129 | } | |
2130 | if (! skip) | |
2131 | *specs_p++ = c; | |
2132 | } | |
2133 | *specs_p = '\0'; | |
2134 | ||
2135 | free (buffer); | |
2136 | return (specs); | |
2137 | } | |
2138 | ||
2139 | /* Read compilation specs from a file named FILENAME, | |
2140 | replacing the default ones. | |
2141 | ||
2142 | A suffix which starts with `*' is a definition for | |
2143 | one of the machine-specific sub-specs. The "suffix" should be | |
0fef3fd0 | 2144 | *asm, *cc1, *cpp, *link, *startfile, etc. |
b633b6c0 MK |
2145 | The corresponding spec is stored in asm_spec, etc., |
2146 | rather than in the `compilers' vector. | |
2147 | ||
2148 | Anything invalid in the file is a fatal error. */ | |
2149 | ||
2150 | static void | |
d168aaee | 2151 | read_specs (const char *filename, bool main_p, bool user_p) |
b633b6c0 MK |
2152 | { |
2153 | char *buffer; | |
b3694847 | 2154 | char *p; |
b633b6c0 MK |
2155 | |
2156 | buffer = load_specs (filename); | |
2157 | ||
20df0482 MM |
2158 | /* Scan BUFFER for specs, putting them in the vector. */ |
2159 | p = buffer; | |
2160 | while (1) | |
2161 | { | |
2162 | char *suffix; | |
2163 | char *spec; | |
2164 | char *in, *out, *p1, *p2, *p3; | |
2165 | ||
2166 | /* Advance P in BUFFER to the next nonblank nocomment line. */ | |
2167 | p = skip_whitespace (p); | |
2168 | if (*p == 0) | |
2169 | break; | |
2170 | ||
2171 | /* Is this a special command that starts with '%'? */ | |
2172 | /* Don't allow this for the main specs file, since it would | |
2173 | encourage people to overwrite it. */ | |
2174 | if (*p == '%' && !main_p) | |
2175 | { | |
2176 | p1 = p; | |
e9a25f70 JL |
2177 | while (*p && *p != '\n') |
2178 | p++; | |
2179 | ||
d25a45d4 KH |
2180 | /* Skip '\n'. */ |
2181 | p++; | |
20df0482 | 2182 | |
d25a45d4 | 2183 | if (!strncmp (p1, "%include", sizeof ("%include") - 1) |
e9a25f70 JL |
2184 | && (p1[sizeof "%include" - 1] == ' ' |
2185 | || p1[sizeof "%include" - 1] == '\t')) | |
20df0482 MM |
2186 | { |
2187 | char *new_filename; | |
2188 | ||
2189 | p1 += sizeof ("%include"); | |
e9a25f70 JL |
2190 | while (*p1 == ' ' || *p1 == '\t') |
2191 | p1++; | |
20df0482 MM |
2192 | |
2193 | if (*p1++ != '<' || p[-2] != '>') | |
40fecdd6 JM |
2194 | fatal_error (input_location, |
2195 | "specs %%include syntax malformed after " | |
2dec80c7 JM |
2196 | "%ld characters", |
2197 | (long) (p1 - buffer + 1)); | |
20df0482 MM |
2198 | |
2199 | p[-2] = '\0'; | |
00dcee0c | 2200 | new_filename = find_a_file (&startfile_prefixes, p1, R_OK, true); |
d168aaee | 2201 | read_specs (new_filename ? new_filename : p1, false, user_p); |
20df0482 MM |
2202 | continue; |
2203 | } | |
e9a25f70 JL |
2204 | else if (!strncmp (p1, "%include_noerr", sizeof "%include_noerr" - 1) |
2205 | && (p1[sizeof "%include_noerr" - 1] == ' ' | |
2206 | || p1[sizeof "%include_noerr" - 1] == '\t')) | |
20df0482 MM |
2207 | { |
2208 | char *new_filename; | |
2209 | ||
e9a25f70 | 2210 | p1 += sizeof "%include_noerr"; |
d25a45d4 KH |
2211 | while (*p1 == ' ' || *p1 == '\t') |
2212 | p1++; | |
20df0482 MM |
2213 | |
2214 | if (*p1++ != '<' || p[-2] != '>') | |
40fecdd6 JM |
2215 | fatal_error (input_location, |
2216 | "specs %%include syntax malformed after " | |
2dec80c7 JM |
2217 | "%ld characters", |
2218 | (long) (p1 - buffer + 1)); | |
20df0482 MM |
2219 | |
2220 | p[-2] = '\0'; | |
00dcee0c | 2221 | new_filename = find_a_file (&startfile_prefixes, p1, R_OK, true); |
20df0482 | 2222 | if (new_filename) |
d168aaee | 2223 | read_specs (new_filename, false, user_p); |
20df0482 | 2224 | else if (verbose_flag) |
2dec80c7 | 2225 | fnotice (stderr, "could not find specs file %s\n", p1); |
20df0482 MM |
2226 | continue; |
2227 | } | |
e9a25f70 JL |
2228 | else if (!strncmp (p1, "%rename", sizeof "%rename" - 1) |
2229 | && (p1[sizeof "%rename" - 1] == ' ' | |
2230 | || p1[sizeof "%rename" - 1] == '\t')) | |
20df0482 MM |
2231 | { |
2232 | int name_len; | |
2233 | struct spec_list *sl; | |
169ce44d | 2234 | struct spec_list *newsl; |
20df0482 | 2235 | |
169ce44d | 2236 | /* Get original name. */ |
e9a25f70 JL |
2237 | p1 += sizeof "%rename"; |
2238 | while (*p1 == ' ' || *p1 == '\t') | |
2239 | p1++; | |
2240 | ||
9218435e | 2241 | if (! ISALPHA ((unsigned char) *p1)) |
40fecdd6 JM |
2242 | fatal_error (input_location, |
2243 | "specs %%rename syntax malformed after " | |
2dec80c7 JM |
2244 | "%ld characters", |
2245 | (long) (p1 - buffer)); | |
20df0482 MM |
2246 | |
2247 | p2 = p1; | |
9218435e | 2248 | while (*p2 && !ISSPACE ((unsigned char) *p2)) |
e9a25f70 JL |
2249 | p2++; |
2250 | ||
20df0482 | 2251 | if (*p2 != ' ' && *p2 != '\t') |
40fecdd6 JM |
2252 | fatal_error (input_location, |
2253 | "specs %%rename syntax malformed after " | |
2dec80c7 JM |
2254 | "%ld characters", |
2255 | (long) (p2 - buffer)); | |
20df0482 MM |
2256 | |
2257 | name_len = p2 - p1; | |
2258 | *p2++ = '\0'; | |
e9a25f70 JL |
2259 | while (*p2 == ' ' || *p2 == '\t') |
2260 | p2++; | |
2261 | ||
9218435e | 2262 | if (! ISALPHA ((unsigned char) *p2)) |
40fecdd6 JM |
2263 | fatal_error (input_location, |
2264 | "specs %%rename syntax malformed after " | |
2dec80c7 JM |
2265 | "%ld characters", |
2266 | (long) (p2 - buffer)); | |
20df0482 | 2267 | |
d25a45d4 | 2268 | /* Get new spec name. */ |
20df0482 | 2269 | p3 = p2; |
9218435e | 2270 | while (*p3 && !ISSPACE ((unsigned char) *p3)) |
e9a25f70 JL |
2271 | p3++; |
2272 | ||
d25a45d4 | 2273 | if (p3 != p - 1) |
40fecdd6 JM |
2274 | fatal_error (input_location, |
2275 | "specs %%rename syntax malformed after " | |
2dec80c7 JM |
2276 | "%ld characters", |
2277 | (long) (p3 - buffer)); | |
20df0482 MM |
2278 | *p3 = '\0'; |
2279 | ||
2280 | for (sl = specs; sl; sl = sl->next) | |
2281 | if (name_len == sl->name_len && !strcmp (sl->name, p1)) | |
2282 | break; | |
2283 | ||
2284 | if (!sl) | |
40fecdd6 JM |
2285 | fatal_error (input_location, |
2286 | "specs %s spec was not found to be renamed", p1); | |
20df0482 | 2287 | |
e9a25f70 | 2288 | if (strcmp (p1, p2) == 0) |
20df0482 MM |
2289 | continue; |
2290 | ||
169ce44d NC |
2291 | for (newsl = specs; newsl; newsl = newsl->next) |
2292 | if (strcmp (newsl->name, p2) == 0) | |
40fecdd6 JM |
2293 | fatal_error (input_location, |
2294 | "%s: attempt to rename spec %qs to " | |
bdc6b402 | 2295 | "already defined spec %qs", |
169ce44d NC |
2296 | filename, p1, p2); |
2297 | ||
20df0482 MM |
2298 | if (verbose_flag) |
2299 | { | |
2dec80c7 | 2300 | fnotice (stderr, "rename spec %s to %s\n", p1, p2); |
20df0482 | 2301 | #ifdef DEBUG_SPECS |
2dec80c7 | 2302 | fnotice (stderr, "spec is '%s'\n\n", *(sl->ptr_spec)); |
20df0482 MM |
2303 | #endif |
2304 | } | |
2305 | ||
d168aaee | 2306 | set_spec (p2, *(sl->ptr_spec), user_p); |
20df0482 | 2307 | if (sl->alloc_p) |
b1d5455a | 2308 | free (CONST_CAST (char *, *(sl->ptr_spec))); |
20df0482 MM |
2309 | |
2310 | *(sl->ptr_spec) = ""; | |
2311 | sl->alloc_p = 0; | |
2312 | continue; | |
2313 | } | |
2314 | else | |
40fecdd6 JM |
2315 | fatal_error (input_location, |
2316 | "specs unknown %% command after %ld characters", | |
2dec80c7 | 2317 | (long) (p1 - buffer)); |
20df0482 MM |
2318 | } |
2319 | ||
2320 | /* Find the colon that should end the suffix. */ | |
2321 | p1 = p; | |
e9a25f70 JL |
2322 | while (*p1 && *p1 != ':' && *p1 != '\n') |
2323 | p1++; | |
2324 | ||
20df0482 MM |
2325 | /* The colon shouldn't be missing. */ |
2326 | if (*p1 != ':') | |
40fecdd6 JM |
2327 | fatal_error (input_location, |
2328 | "specs file malformed after %ld characters", | |
2dec80c7 | 2329 | (long) (p1 - buffer)); |
e9a25f70 | 2330 | |
20df0482 MM |
2331 | /* Skip back over trailing whitespace. */ |
2332 | p2 = p1; | |
e9a25f70 JL |
2333 | while (p2 > buffer && (p2[-1] == ' ' || p2[-1] == '\t')) |
2334 | p2--; | |
2335 | ||
20df0482 MM |
2336 | /* Copy the suffix to a string. */ |
2337 | suffix = save_string (p, p2 - p); | |
2338 | /* Find the next line. */ | |
2339 | p = skip_whitespace (p1 + 1); | |
2340 | if (p[1] == 0) | |
40fecdd6 JM |
2341 | fatal_error (input_location, |
2342 | "specs file malformed after %ld characters", | |
2dec80c7 | 2343 | (long) (p - buffer)); |
e9a25f70 | 2344 | |
20df0482 | 2345 | p1 = p; |
bbeb7b65 JW |
2346 | /* Find next blank line or end of string. */ |
2347 | while (*p1 && !(*p1 == '\n' && (p1[1] == '\n' || p1[1] == '\0'))) | |
e9a25f70 JL |
2348 | p1++; |
2349 | ||
20df0482 MM |
2350 | /* Specs end at the blank line and do not include the newline. */ |
2351 | spec = save_string (p, p1 - p); | |
2352 | p = p1; | |
2353 | ||
2354 | /* Delete backslash-newline sequences from the spec. */ | |
2355 | in = spec; | |
2356 | out = spec; | |
2357 | while (*in != 0) | |
2358 | { | |
2359 | if (in[0] == '\\' && in[1] == '\n') | |
2360 | in += 2; | |
2361 | else if (in[0] == '#') | |
e9a25f70 JL |
2362 | while (*in && *in != '\n') |
2363 | in++; | |
2364 | ||
20df0482 MM |
2365 | else |
2366 | *out++ = *in++; | |
2367 | } | |
2368 | *out = 0; | |
2369 | ||
2370 | if (suffix[0] == '*') | |
2371 | { | |
2372 | if (! strcmp (suffix, "*link_command")) | |
2373 | link_command_spec = spec; | |
2374 | else | |
9376dd63 DM |
2375 | { |
2376 | set_spec (suffix + 1, spec, user_p); | |
2377 | free (spec); | |
2378 | } | |
20df0482 MM |
2379 | } |
2380 | else | |
2381 | { | |
2382 | /* Add this pair to the vector. */ | |
2383 | compilers | |
e1e4cdc4 | 2384 | = XRESIZEVEC (struct compiler, compilers, n_compilers + 2); |
e9a25f70 | 2385 | |
20df0482 | 2386 | compilers[n_compilers].suffix = suffix; |
ea414c97 | 2387 | compilers[n_compilers].spec = spec; |
20df0482 | 2388 | n_compilers++; |
9257393c | 2389 | memset (&compilers[n_compilers], 0, sizeof compilers[n_compilers]); |
20df0482 MM |
2390 | } |
2391 | ||
2392 | if (*suffix == 0) | |
2393 | link_command_spec = spec; | |
2394 | } | |
2395 | ||
2396 | if (link_command_spec == 0) | |
40fecdd6 | 2397 | fatal_error (input_location, "spec file has no spec for linking"); |
9376dd63 DM |
2398 | |
2399 | XDELETEVEC (buffer); | |
20df0482 MM |
2400 | } |
2401 | \f | |
ed1f651b RS |
2402 | /* Record the names of temporary files we tell compilers to write, |
2403 | and delete them at the end of the run. */ | |
2404 | ||
aa34f42c RG |
2405 | /* This is the common prefix we use to make temp file names. |
2406 | It is chosen once for each run of this program. | |
2407 | It is substituted into a spec by %g or %j. | |
2408 | Thus, all temp file names contain this prefix. | |
2409 | In practice, all temp file names start with this prefix. | |
2410 | ||
2411 | This prefix comes from the envvar TMPDIR if it is defined; | |
2412 | otherwise, from the P_tmpdir macro if that is defined; | |
2413 | otherwise, in /usr/tmp or /tmp; | |
2414 | or finally the current directory if all else fails. */ | |
2415 | ||
2416 | static const char *temp_filename; | |
2417 | ||
2418 | /* Length of the prefix. */ | |
2419 | ||
2420 | static int temp_filename_length; | |
2421 | ||
ed1f651b RS |
2422 | /* Define the list of temporary files to delete. */ |
2423 | ||
2424 | struct temp_file | |
2425 | { | |
878f32c3 | 2426 | const char *name; |
ed1f651b RS |
2427 | struct temp_file *next; |
2428 | }; | |
2429 | ||
2430 | /* Queue of files to delete on success or failure of compilation. */ | |
2431 | static struct temp_file *always_delete_queue; | |
2432 | /* Queue of files to delete on failure of compilation. */ | |
2433 | static struct temp_file *failure_delete_queue; | |
2434 | ||
2435 | /* Record FILENAME as a file to be deleted automatically. | |
2436 | ALWAYS_DELETE nonzero means delete it if all compilation succeeds; | |
2437 | otherwise delete it in any case. | |
2438 | FAIL_DELETE nonzero means delete it if a compilation step fails; | |
2439 | otherwise delete it in any case. */ | |
2440 | ||
d991c721 | 2441 | void |
1d088dee | 2442 | record_temp_file (const char *filename, int always_delete, int fail_delete) |
ed1f651b | 2443 | { |
b3694847 | 2444 | char *const name = xstrdup (filename); |
ed1f651b RS |
2445 | |
2446 | if (always_delete) | |
2447 | { | |
b3694847 | 2448 | struct temp_file *temp; |
ed1f651b | 2449 | for (temp = always_delete_queue; temp; temp = temp->next) |
ba78087b | 2450 | if (! filename_cmp (name, temp->name)) |
af121e82 ML |
2451 | { |
2452 | free (name); | |
2453 | goto already1; | |
2454 | } | |
e9a25f70 | 2455 | |
5ed6ace5 | 2456 | temp = XNEW (struct temp_file); |
ed1f651b RS |
2457 | temp->next = always_delete_queue; |
2458 | temp->name = name; | |
2459 | always_delete_queue = temp; | |
e9a25f70 | 2460 | |
ed1f651b RS |
2461 | already1:; |
2462 | } | |
2463 | ||
2464 | if (fail_delete) | |
2465 | { | |
b3694847 | 2466 | struct temp_file *temp; |
ed1f651b | 2467 | for (temp = failure_delete_queue; temp; temp = temp->next) |
ba78087b | 2468 | if (! filename_cmp (name, temp->name)) |
fc429b48 TB |
2469 | { |
2470 | free (name); | |
2471 | goto already2; | |
2472 | } | |
e9a25f70 | 2473 | |
5ed6ace5 | 2474 | temp = XNEW (struct temp_file); |
ed1f651b RS |
2475 | temp->next = failure_delete_queue; |
2476 | temp->name = name; | |
2477 | failure_delete_queue = temp; | |
e9a25f70 | 2478 | |
ed1f651b RS |
2479 | already2:; |
2480 | } | |
2481 | } | |
2482 | ||
2483 | /* Delete all the temporary files whose names we previously recorded. */ | |
2484 | ||
8fd58397 DR |
2485 | #ifndef DELETE_IF_ORDINARY |
2486 | #define DELETE_IF_ORDINARY(NAME,ST,VERBOSE_FLAG) \ | |
2487 | do \ | |
2488 | { \ | |
2489 | if (stat (NAME, &ST) >= 0 && S_ISREG (ST.st_mode)) \ | |
2490 | if (unlink (NAME) < 0) \ | |
2491 | if (VERBOSE_FLAG) \ | |
2492 | perror_with_name (NAME); \ | |
2493 | } while (0) | |
2494 | #endif | |
2495 | ||
d5ea2ac4 | 2496 | static void |
1d088dee | 2497 | delete_if_ordinary (const char *name) |
d5ea2ac4 RK |
2498 | { |
2499 | struct stat st; | |
2500 | #ifdef DEBUG | |
2501 | int i, c; | |
2502 | ||
2503 | printf ("Delete %s? (y or n) ", name); | |
2504 | fflush (stdout); | |
2505 | i = getchar (); | |
2506 | if (i != '\n') | |
e9a25f70 JL |
2507 | while ((c = getchar ()) != '\n' && c != EOF) |
2508 | ; | |
2509 | ||
d5ea2ac4 RK |
2510 | if (i == 'y' || i == 'Y') |
2511 | #endif /* DEBUG */ | |
8fd58397 | 2512 | DELETE_IF_ORDINARY (name, st, verbose_flag); |
d5ea2ac4 RK |
2513 | } |
2514 | ||
ed1f651b | 2515 | static void |
1d088dee | 2516 | delete_temp_files (void) |
ed1f651b | 2517 | { |
b3694847 | 2518 | struct temp_file *temp; |
ed1f651b RS |
2519 | |
2520 | for (temp = always_delete_queue; temp; temp = temp->next) | |
d5ea2ac4 | 2521 | delete_if_ordinary (temp->name); |
ed1f651b RS |
2522 | always_delete_queue = 0; |
2523 | } | |
2524 | ||
2525 | /* Delete all the files to be deleted on error. */ | |
2526 | ||
2527 | static void | |
1d088dee | 2528 | delete_failure_queue (void) |
ed1f651b | 2529 | { |
b3694847 | 2530 | struct temp_file *temp; |
ed1f651b RS |
2531 | |
2532 | for (temp = failure_delete_queue; temp; temp = temp->next) | |
d5ea2ac4 | 2533 | delete_if_ordinary (temp->name); |
ed1f651b RS |
2534 | } |
2535 | ||
2536 | static void | |
1d088dee | 2537 | clear_failure_queue (void) |
ed1f651b RS |
2538 | { |
2539 | failure_delete_queue = 0; | |
2540 | } | |
b3865ca9 | 2541 | \f |
00dcee0c AM |
2542 | /* Call CALLBACK for each path in PATHS, breaking out early if CALLBACK |
2543 | returns non-NULL. | |
2544 | If DO_MULTI is true iterate over the paths twice, first with multilib | |
2545 | suffix then without, otherwise iterate over the paths once without | |
2546 | adding a multilib suffix. When DO_MULTI is true, some attempt is made | |
2547 | to avoid visiting the same path twice, but we could do better. For | |
2548 | instance, /usr/lib/../lib is considered different from /usr/lib. | |
2549 | At least EXTRA_SPACE chars past the end of the path passed to | |
2550 | CALLBACK are available for use by the callback. | |
2551 | CALLBACK_INFO allows extra parameters to be passed to CALLBACK. | |
2552 | ||
2553 | Returns the value returned by CALLBACK. */ | |
2554 | ||
2555 | static void * | |
2556 | for_each_path (const struct path_prefix *paths, | |
2557 | bool do_multi, | |
2558 | size_t extra_space, | |
2559 | void *(*callback) (char *, void *), | |
2560 | void *callback_info) | |
b3865ca9 | 2561 | { |
00dcee0c AM |
2562 | struct prefix_list *pl; |
2563 | const char *multi_dir = NULL; | |
2564 | const char *multi_os_dir = NULL; | |
e0cdc09f | 2565 | const char *multiarch_suffix = NULL; |
00dcee0c AM |
2566 | const char *multi_suffix; |
2567 | const char *just_multi_suffix; | |
2568 | char *path = NULL; | |
2569 | void *ret = NULL; | |
2570 | bool skip_multi_dir = false; | |
2571 | bool skip_multi_os_dir = false; | |
2572 | ||
2573 | multi_suffix = machine_suffix; | |
2574 | just_multi_suffix = just_machine_suffix; | |
2575 | if (do_multi && multilib_dir && strcmp (multilib_dir, ".") != 0) | |
b3865ca9 | 2576 | { |
00dcee0c AM |
2577 | multi_dir = concat (multilib_dir, dir_separator_str, NULL); |
2578 | multi_suffix = concat (multi_suffix, multi_dir, NULL); | |
2579 | just_multi_suffix = concat (just_multi_suffix, multi_dir, NULL); | |
2580 | } | |
2581 | if (do_multi && multilib_os_dir && strcmp (multilib_os_dir, ".") != 0) | |
2582 | multi_os_dir = concat (multilib_os_dir, dir_separator_str, NULL); | |
e0cdc09f MK |
2583 | if (multiarch_dir) |
2584 | multiarch_suffix = concat (multiarch_dir, dir_separator_str, NULL); | |
b3865ca9 | 2585 | |
00dcee0c AM |
2586 | while (1) |
2587 | { | |
2588 | size_t multi_dir_len = 0; | |
2589 | size_t multi_os_dir_len = 0; | |
e0cdc09f | 2590 | size_t multiarch_len = 0; |
00dcee0c AM |
2591 | size_t suffix_len; |
2592 | size_t just_suffix_len; | |
2593 | size_t len; | |
2594 | ||
2595 | if (multi_dir) | |
2596 | multi_dir_len = strlen (multi_dir); | |
2597 | if (multi_os_dir) | |
2598 | multi_os_dir_len = strlen (multi_os_dir); | |
e0cdc09f MK |
2599 | if (multiarch_suffix) |
2600 | multiarch_len = strlen (multiarch_suffix); | |
00dcee0c AM |
2601 | suffix_len = strlen (multi_suffix); |
2602 | just_suffix_len = strlen (just_multi_suffix); | |
2603 | ||
2604 | if (path == NULL) | |
b3865ca9 | 2605 | { |
00dcee0c | 2606 | len = paths->max_len + extra_space + 1; |
e0cdc09f | 2607 | len += MAX (MAX (suffix_len, multi_os_dir_len), multiarch_len); |
5ed6ace5 | 2608 | path = XNEWVEC (char, len); |
b3865ca9 RS |
2609 | } |
2610 | ||
00dcee0c | 2611 | for (pl = paths->plist; pl != 0; pl = pl->next) |
ae04227b | 2612 | { |
00dcee0c AM |
2613 | len = strlen (pl->prefix); |
2614 | memcpy (path, pl->prefix, len); | |
9218435e | 2615 | |
00dcee0c AM |
2616 | /* Look first in MACHINE/VERSION subdirectory. */ |
2617 | if (!skip_multi_dir) | |
2618 | { | |
2619 | memcpy (path + len, multi_suffix, suffix_len + 1); | |
2620 | ret = callback (path, callback_info); | |
2621 | if (ret) | |
2622 | break; | |
2623 | } | |
2624 | ||
2625 | /* Some paths are tried with just the machine (ie. target) | |
2626 | subdir. This is used for finding as, ld, etc. */ | |
2627 | if (!skip_multi_dir | |
2628 | && pl->require_machine_suffix == 2) | |
2629 | { | |
2630 | memcpy (path + len, just_multi_suffix, just_suffix_len + 1); | |
2631 | ret = callback (path, callback_info); | |
2632 | if (ret) | |
2633 | break; | |
2634 | } | |
2635 | ||
e0cdc09f MK |
2636 | /* Now try the multiarch path. */ |
2637 | if (!skip_multi_dir | |
2638 | && !pl->require_machine_suffix && multiarch_dir) | |
2639 | { | |
2640 | memcpy (path + len, multiarch_suffix, multiarch_len + 1); | |
2641 | ret = callback (path, callback_info); | |
2642 | if (ret) | |
2643 | break; | |
2644 | } | |
2645 | ||
00dcee0c AM |
2646 | /* Now try the base path. */ |
2647 | if (!pl->require_machine_suffix | |
2648 | && !(pl->os_multilib ? skip_multi_os_dir : skip_multi_dir)) | |
2649 | { | |
2650 | const char *this_multi; | |
2651 | size_t this_multi_len; | |
2652 | ||
2653 | if (pl->os_multilib) | |
2654 | { | |
2655 | this_multi = multi_os_dir; | |
2656 | this_multi_len = multi_os_dir_len; | |
2657 | } | |
2658 | else | |
2659 | { | |
2660 | this_multi = multi_dir; | |
2661 | this_multi_len = multi_dir_len; | |
2662 | } | |
2663 | ||
2664 | if (this_multi_len) | |
2665 | memcpy (path + len, this_multi, this_multi_len + 1); | |
2666 | else | |
2667 | path[len] = '\0'; | |
2668 | ||
2669 | ret = callback (path, callback_info); | |
2670 | if (ret) | |
2671 | break; | |
2672 | } | |
ae04227b | 2673 | } |
00dcee0c AM |
2674 | if (pl) |
2675 | break; | |
ae04227b | 2676 | |
00dcee0c AM |
2677 | if (multi_dir == NULL && multi_os_dir == NULL) |
2678 | break; | |
b3865ca9 | 2679 | |
00dcee0c AM |
2680 | /* Run through the paths again, this time without multilibs. |
2681 | Don't repeat any we have already seen. */ | |
2682 | if (multi_dir) | |
2683 | { | |
b1d5455a | 2684 | free (CONST_CAST (char *, multi_dir)); |
00dcee0c | 2685 | multi_dir = NULL; |
b1d5455a | 2686 | free (CONST_CAST (char *, multi_suffix)); |
00dcee0c | 2687 | multi_suffix = machine_suffix; |
b1d5455a | 2688 | free (CONST_CAST (char *, just_multi_suffix)); |
00dcee0c | 2689 | just_multi_suffix = just_machine_suffix; |
b3865ca9 | 2690 | } |
00dcee0c AM |
2691 | else |
2692 | skip_multi_dir = true; | |
2693 | if (multi_os_dir) | |
2694 | { | |
b1d5455a | 2695 | free (CONST_CAST (char *, multi_os_dir)); |
00dcee0c AM |
2696 | multi_os_dir = NULL; |
2697 | } | |
2698 | else | |
2699 | skip_multi_os_dir = true; | |
2700 | } | |
2701 | ||
2702 | if (multi_dir) | |
2703 | { | |
b1d5455a KG |
2704 | free (CONST_CAST (char *, multi_dir)); |
2705 | free (CONST_CAST (char *, multi_suffix)); | |
2706 | free (CONST_CAST (char *, just_multi_suffix)); | |
b3865ca9 | 2707 | } |
00dcee0c | 2708 | if (multi_os_dir) |
b1d5455a | 2709 | free (CONST_CAST (char *, multi_os_dir)); |
00dcee0c AM |
2710 | if (ret != path) |
2711 | free (path); | |
2712 | return ret; | |
2713 | } | |
2714 | ||
2715 | /* Callback for build_search_list. Adds path to obstack being built. */ | |
2716 | ||
2717 | struct add_to_obstack_info { | |
2718 | struct obstack *ob; | |
2719 | bool check_dir; | |
2720 | bool first_time; | |
2721 | }; | |
2722 | ||
2723 | static void * | |
2724 | add_to_obstack (char *path, void *data) | |
2725 | { | |
e1e4cdc4 | 2726 | struct add_to_obstack_info *info = (struct add_to_obstack_info *) data; |
00dcee0c AM |
2727 | |
2728 | if (info->check_dir && !is_directory (path, false)) | |
2729 | return NULL; | |
2730 | ||
2731 | if (!info->first_time) | |
2732 | obstack_1grow (info->ob, PATH_SEPARATOR); | |
2733 | ||
2734 | obstack_grow (info->ob, path, strlen (path)); | |
2735 | ||
2736 | info->first_time = false; | |
2737 | return NULL; | |
2738 | } | |
2739 | ||
47d33318 FXC |
2740 | /* Add or change the value of an environment variable, outputting the |
2741 | change to standard error if in verbose mode. */ | |
2742 | static void | |
e9c15f6e | 2743 | xputenv (const char *string) |
47d33318 | 2744 | { |
9376dd63 | 2745 | env.xput (string); |
47d33318 FXC |
2746 | } |
2747 | ||
00dcee0c AM |
2748 | /* Build a list of search directories from PATHS. |
2749 | PREFIX is a string to prepend to the list. | |
2750 | If CHECK_DIR_P is true we ensure the directory exists. | |
2751 | If DO_MULTI is true, multilib paths are output first, then | |
2752 | non-multilib paths. | |
2753 | This is used mostly by putenv_from_prefixes so we use `collect_obstack'. | |
2754 | It is also used by the --print-search-dirs flag. */ | |
2755 | ||
2756 | static char * | |
2757 | build_search_list (const struct path_prefix *paths, const char *prefix, | |
2758 | bool check_dir, bool do_multi) | |
2759 | { | |
2760 | struct add_to_obstack_info info; | |
2761 | ||
2762 | info.ob = &collect_obstack; | |
2763 | info.check_dir = check_dir; | |
2764 | info.first_time = true; | |
2765 | ||
2766 | obstack_grow (&collect_obstack, prefix, strlen (prefix)); | |
2767 | obstack_1grow (&collect_obstack, '='); | |
2768 | ||
2769 | for_each_path (paths, do_multi, 0, add_to_obstack, &info); | |
e9a25f70 | 2770 | |
3ae7de4e | 2771 | obstack_1grow (&collect_obstack, '\0'); |
7973fd2a | 2772 | return XOBFINISH (&collect_obstack, char *); |
b3865ca9 RS |
2773 | } |
2774 | ||
0f41302f MS |
2775 | /* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables |
2776 | for collect. */ | |
2628b9d3 DE |
2777 | |
2778 | static void | |
00dcee0c AM |
2779 | putenv_from_prefixes (const struct path_prefix *paths, const char *env_var, |
2780 | bool do_multi) | |
2628b9d3 | 2781 | { |
47d33318 | 2782 | xputenv (build_search_list (paths, env_var, true, do_multi)); |
2628b9d3 | 2783 | } |
ed1f651b | 2784 | \f |
ca606201 ILT |
2785 | /* Check whether NAME can be accessed in MODE. This is like access, |
2786 | except that it never considers directories to be executable. */ | |
2787 | ||
2788 | static int | |
1d088dee | 2789 | access_check (const char *name, int mode) |
ca606201 ILT |
2790 | { |
2791 | if (mode == X_OK) | |
2792 | { | |
2793 | struct stat st; | |
2794 | ||
2795 | if (stat (name, &st) < 0 | |
2796 | || S_ISDIR (st.st_mode)) | |
2797 | return -1; | |
2798 | } | |
2799 | ||
2800 | return access (name, mode); | |
2801 | } | |
2802 | ||
00dcee0c AM |
2803 | /* Callback for find_a_file. Appends the file name to the directory |
2804 | path. If the resulting file exists in the right mode, return the | |
2805 | full pathname to the file. */ | |
2806 | ||
2807 | struct file_at_path_info { | |
2808 | const char *name; | |
2809 | const char *suffix; | |
2810 | int name_len; | |
2811 | int suffix_len; | |
2812 | int mode; | |
2813 | }; | |
2814 | ||
2815 | static void * | |
2816 | file_at_path (char *path, void *data) | |
2817 | { | |
e1e4cdc4 | 2818 | struct file_at_path_info *info = (struct file_at_path_info *) data; |
00dcee0c AM |
2819 | size_t len = strlen (path); |
2820 | ||
2821 | memcpy (path + len, info->name, info->name_len); | |
2822 | len += info->name_len; | |
2823 | ||
2824 | /* Some systems have a suffix for executable files. | |
2825 | So try appending that first. */ | |
2826 | if (info->suffix_len) | |
2827 | { | |
2828 | memcpy (path + len, info->suffix, info->suffix_len + 1); | |
2829 | if (access_check (path, info->mode) == 0) | |
2830 | return path; | |
2831 | } | |
2832 | ||
2833 | path[len] = '\0'; | |
2834 | if (access_check (path, info->mode) == 0) | |
2835 | return path; | |
2836 | ||
2837 | return NULL; | |
2838 | } | |
2839 | ||
ed1f651b | 2840 | /* Search for NAME using the prefix list PREFIXES. MODE is passed to |
00dcee0c AM |
2841 | access to check permissions. If DO_MULTI is true, search multilib |
2842 | paths then non-multilib paths, otherwise do not search multilib paths. | |
0f41302f | 2843 | Return 0 if not found, otherwise return its name, allocated with malloc. */ |
ed1f651b RS |
2844 | |
2845 | static char * | |
00dcee0c AM |
2846 | find_a_file (const struct path_prefix *pprefix, const char *name, int mode, |
2847 | bool do_multi) | |
ed1f651b | 2848 | { |
00dcee0c | 2849 | struct file_at_path_info info; |
ed1f651b | 2850 | |
ab339d62 | 2851 | #ifdef DEFAULT_ASSEMBLER |
c5c0b3d9 | 2852 | if (! strcmp (name, "as") && access (DEFAULT_ASSEMBLER, mode) == 0) |
ad85216e | 2853 | return xstrdup (DEFAULT_ASSEMBLER); |
ab339d62 AO |
2854 | #endif |
2855 | ||
2856 | #ifdef DEFAULT_LINKER | |
c3284718 | 2857 | if (! strcmp (name, "ld") && access (DEFAULT_LINKER, mode) == 0) |
ad85216e | 2858 | return xstrdup (DEFAULT_LINKER); |
ab339d62 AO |
2859 | #endif |
2860 | ||
ed1f651b RS |
2861 | /* Determine the filename to execute (special case for absolute paths). */ |
2862 | ||
3dce1408 | 2863 | if (IS_ABSOLUTE_PATH (name)) |
ed1f651b | 2864 | { |
ab339d62 | 2865 | if (access (name, mode) == 0) |
00dcee0c | 2866 | return xstrdup (name); |
460dcab4 | 2867 | |
00dcee0c AM |
2868 | return NULL; |
2869 | } | |
460dcab4 | 2870 | |
00dcee0c AM |
2871 | info.name = name; |
2872 | info.suffix = (mode & X_OK) != 0 ? HOST_EXECUTABLE_SUFFIX : ""; | |
2873 | info.name_len = strlen (info.name); | |
2874 | info.suffix_len = strlen (info.suffix); | |
2875 | info.mode = mode; | |
ed1f651b | 2876 | |
e1e4cdc4 KG |
2877 | return (char*) for_each_path (pprefix, do_multi, |
2878 | info.name_len + info.suffix_len, | |
2879 | file_at_path, &info); | |
ed1f651b RS |
2880 | } |
2881 | ||
922a4beb | 2882 | /* Ranking of prefixes in the sort list. -B prefixes are put before |
9218435e | 2883 | all others. */ |
922a4beb AC |
2884 | |
2885 | enum path_prefix_priority | |
2886 | { | |
2887 | PREFIX_PRIORITY_B_OPT, | |
2888 | PREFIX_PRIORITY_LAST | |
2889 | }; | |
2890 | ||
fbe5a4a6 | 2891 | /* Add an entry for PREFIX in PLIST. The PLIST is kept in ascending |
922a4beb AC |
2892 | order according to PRIORITY. Within each PRIORITY, new entries are |
2893 | appended. | |
ed1f651b RS |
2894 | |
2895 | If WARN is nonzero, we will warn if no file is found | |
2896 | through this prefix. WARN should point to an int | |
ae04227b CH |
2897 | which will be set to 1 if this entry is used. |
2898 | ||
e9a25f70 JL |
2899 | COMPONENT is the value to be passed to update_path. |
2900 | ||
ae04227b CH |
2901 | REQUIRE_MACHINE_SUFFIX is 1 if this prefix can't be used without |
2902 | the complete value of machine_suffix. | |
2903 | 2 means try both machine_suffix and just_machine_suffix. */ | |
ed1f651b RS |
2904 | |
2905 | static void | |
1d088dee AJ |
2906 | add_prefix (struct path_prefix *pprefix, const char *prefix, |
2907 | const char *component, /* enum prefix_priority */ int priority, | |
1a5d37a1 | 2908 | int require_machine_suffix, int os_multilib) |
ed1f651b RS |
2909 | { |
2910 | struct prefix_list *pl, **prev; | |
2911 | int len; | |
2912 | ||
922a4beb AC |
2913 | for (prev = &pprefix->plist; |
2914 | (*prev) != NULL && (*prev)->priority <= priority; | |
2915 | prev = &(*prev)->next) | |
2916 | ; | |
ed1f651b | 2917 | |
f9da5064 | 2918 | /* Keep track of the longest prefix. */ |
ed1f651b | 2919 | |
e9a25f70 | 2920 | prefix = update_path (prefix, component); |
ed1f651b RS |
2921 | len = strlen (prefix); |
2922 | if (len > pprefix->max_len) | |
2923 | pprefix->max_len = len; | |
2924 | ||
5ed6ace5 | 2925 | pl = XNEW (struct prefix_list); |
51c04256 | 2926 | pl->prefix = prefix; |
ed1f651b | 2927 | pl->require_machine_suffix = require_machine_suffix; |
922a4beb | 2928 | pl->priority = priority; |
5bbcd587 | 2929 | pl->os_multilib = os_multilib; |
ed1f651b | 2930 | |
f9da5064 | 2931 | /* Insert after PREV. */ |
922a4beb AC |
2932 | pl->next = (*prev); |
2933 | (*prev) = pl; | |
ed1f651b | 2934 | } |
4977bab6 ZW |
2935 | |
2936 | /* Same as add_prefix, but prepending target_system_root to prefix. */ | |
f4c0a303 | 2937 | /* The target_system_root prefix has been relocated by gcc_exec_prefix. */ |
4977bab6 | 2938 | static void |
1d088dee AJ |
2939 | add_sysrooted_prefix (struct path_prefix *pprefix, const char *prefix, |
2940 | const char *component, | |
2941 | /* enum prefix_priority */ int priority, | |
1a5d37a1 | 2942 | int require_machine_suffix, int os_multilib) |
4977bab6 | 2943 | { |
3dce1408 | 2944 | if (!IS_ABSOLUTE_PATH (prefix)) |
40fecdd6 | 2945 | fatal_error (input_location, "system path %qs is not absolute", prefix); |
4977bab6 ZW |
2946 | |
2947 | if (target_system_root) | |
2948 | { | |
2fda54bd MK |
2949 | char *sysroot_no_trailing_dir_separator = xstrdup (target_system_root); |
2950 | size_t sysroot_len = strlen (target_system_root); | |
2951 | ||
2952 | if (sysroot_len > 0 | |
2953 | && target_system_root[sysroot_len - 1] == DIR_SEPARATOR) | |
2954 | sysroot_no_trailing_dir_separator[sysroot_len - 1] = '\0'; | |
2955 | ||
e7f13528 | 2956 | if (target_sysroot_suffix) |
fc429b48 TB |
2957 | prefix = concat (sysroot_no_trailing_dir_separator, |
2958 | target_sysroot_suffix, prefix, NULL); | |
2959 | else | |
2960 | prefix = concat (sysroot_no_trailing_dir_separator, prefix, NULL); | |
2961 | ||
2fda54bd | 2962 | free (sysroot_no_trailing_dir_separator); |
e7f13528 | 2963 | |
4977bab6 ZW |
2964 | /* We have to override this because GCC's notion of sysroot |
2965 | moves along with GCC. */ | |
2966 | component = "GCC"; | |
2967 | } | |
2968 | ||
2969 | add_prefix (pprefix, prefix, component, priority, | |
1a5d37a1 | 2970 | require_machine_suffix, os_multilib); |
4977bab6 | 2971 | } |
ed1f651b RS |
2972 | \f |
2973 | /* Execute the command specified by the arguments on the current line of spec. | |
2974 | When using pipes, this includes several piped-together commands | |
2975 | with `|' between them. | |
2976 | ||
2977 | Return 0 if successful, -1 if failed. */ | |
2978 | ||
2979 | static int | |
1d088dee | 2980 | execute (void) |
ed1f651b RS |
2981 | { |
2982 | int i; | |
2983 | int n_commands; /* # of command. */ | |
2984 | char *string; | |
054e88a8 | 2985 | struct pex_obj *pex; |
ed1f651b | 2986 | struct command |
d25a45d4 KH |
2987 | { |
2988 | const char *prog; /* program name. */ | |
2989 | const char **argv; /* vector of args. */ | |
d25a45d4 | 2990 | }; |
5b634ee0 | 2991 | const char *arg; |
ed1f651b RS |
2992 | |
2993 | struct command *commands; /* each command buffer with above info. */ | |
2994 | ||
3b5edfee | 2995 | gcc_assert (!processing_spec_function); |
f3226a90 | 2996 | |
fe7df9c4 SP |
2997 | if (wrapper_string) |
2998 | { | |
5b634ee0 | 2999 | string = find_a_file (&exec_prefixes, |
9771b263 | 3000 | argbuf[0], X_OK, false); |
5b634ee0 | 3001 | if (string) |
9771b263 | 3002 | argbuf[0] = string; |
fe7df9c4 SP |
3003 | insert_wrapper (wrapper_string); |
3004 | } | |
3005 | ||
ed1f651b | 3006 | /* Count # of piped commands. */ |
9771b263 | 3007 | for (n_commands = 1, i = 0; argbuf.iterate (i, &arg); i++) |
5b634ee0 | 3008 | if (strcmp (arg, "|") == 0) |
ed1f651b RS |
3009 | n_commands++; |
3010 | ||
3011 | /* Get storage for each command. */ | |
e1e4cdc4 | 3012 | commands = (struct command *) alloca (n_commands * sizeof (struct command)); |
ed1f651b RS |
3013 | |
3014 | /* Split argbuf into its separate piped processes, | |
3015 | and record info about each one. | |
3016 | Also search for the programs that are to be run. */ | |
3017 | ||
9771b263 | 3018 | argbuf.safe_push (0); |
5b634ee0 | 3019 | |
9771b263 DN |
3020 | commands[0].prog = argbuf[0]; /* first command. */ |
3021 | commands[0].argv = argbuf.address (); | |
b8698a0f | 3022 | |
fe7df9c4 SP |
3023 | if (!wrapper_string) |
3024 | { | |
3025 | string = find_a_file (&exec_prefixes, commands[0].prog, X_OK, false); | |
3026 | commands[0].argv[0] = (string) ? string : commands[0].argv[0]; | |
3027 | } | |
ed1f651b | 3028 | |
9771b263 | 3029 | for (n_commands = 1, i = 0; argbuf.iterate (i, &arg); i++) |
5b634ee0 | 3030 | if (arg && strcmp (arg, "|") == 0) |
ed1f651b | 3031 | { /* each command. */ |
6405c0ec | 3032 | #if defined (__MSDOS__) || defined (OS2) || defined (VMS) |
40fecdd6 | 3033 | fatal_error (input_location, "-pipe not supported"); |
ed1f651b | 3034 | #endif |
9771b263 | 3035 | argbuf[i] = 0; /* Termination of |
5b634ee0 | 3036 | command args. */ |
9771b263 | 3037 | commands[n_commands].prog = argbuf[i + 1]; |
5b634ee0 | 3038 | commands[n_commands].argv |
9771b263 | 3039 | = &(argbuf.address ())[i + 1]; |
5bbcd587 | 3040 | string = find_a_file (&exec_prefixes, commands[n_commands].prog, |
00dcee0c | 3041 | X_OK, false); |
ed1f651b RS |
3042 | if (string) |
3043 | commands[n_commands].argv[0] = string; | |
3044 | n_commands++; | |
3045 | } | |
3046 | ||
ed1f651b RS |
3047 | /* If -v, print what we are about to do, and maybe query. */ |
3048 | ||
b3865ca9 | 3049 | if (verbose_flag) |
ed1f651b | 3050 | { |
b8468bc7 NC |
3051 | /* For help listings, put a blank line between sub-processes. */ |
3052 | if (print_help_list) | |
3053 | fputc ('\n', stderr); | |
9218435e | 3054 | |
ed1f651b | 3055 | /* Print each piped command as a separate line. */ |
d25a45d4 | 3056 | for (i = 0; i < n_commands; i++) |
ed1f651b | 3057 | { |
37620334 | 3058 | const char *const *j; |
ed1f651b | 3059 | |
589005ff KH |
3060 | if (verbose_only_flag) |
3061 | { | |
99f78cdd IR |
3062 | for (j = commands[i].argv; *j; j++) |
3063 | { | |
88f92c0f | 3064 | const char *p; |
99f78cdd | 3065 | for (p = *j; *p; ++p) |
09b201fc JJ |
3066 | if (!ISALNUM ((unsigned char) *p) |
3067 | && *p != '_' && *p != '/' && *p != '-' && *p != '.') | |
3068 | break; | |
3069 | if (*p || !*j) | |
99f78cdd | 3070 | { |
09b201fc JJ |
3071 | fprintf (stderr, " \""); |
3072 | for (p = *j; *p; ++p) | |
3073 | { | |
3074 | if (*p == '"' || *p == '\\' || *p == '$') | |
3075 | fputc ('\\', stderr); | |
3076 | fputc (*p, stderr); | |
3077 | } | |
3078 | fputc ('"', stderr); | |
99f78cdd | 3079 | } |
7fcf46f5 JZ |
3080 | /* If it's empty, print "". */ |
3081 | else if (!**j) | |
3082 | fprintf (stderr, " \"\""); | |
09b201fc JJ |
3083 | else |
3084 | fprintf (stderr, " %s", *j); | |
99f78cdd | 3085 | } |
589005ff KH |
3086 | } |
3087 | else | |
99f78cdd | 3088 | for (j = commands[i].argv; *j; j++) |
7fcf46f5 JZ |
3089 | /* If it's empty, print "". */ |
3090 | if (!**j) | |
3091 | fprintf (stderr, " \"\""); | |
3092 | else | |
3093 | fprintf (stderr, " %s", *j); | |
ed1f651b RS |
3094 | |
3095 | /* Print a pipe symbol after all but the last command. */ | |
3096 | if (i + 1 != n_commands) | |
3097 | fprintf (stderr, " |"); | |
3098 | fprintf (stderr, "\n"); | |
3099 | } | |
3100 | fflush (stderr); | |
99f78cdd | 3101 | if (verbose_only_flag != 0) |
6a40fb21 AP |
3102 | { |
3103 | /* verbose_only_flag should act as if the spec was | |
3104 | executed, so increment execution_count before | |
ba228239 | 3105 | returning. This prevents spurious warnings about |
6a40fb21 AP |
3106 | unused linker input files, etc. */ |
3107 | execution_count++; | |
3108 | return 0; | |
3109 | } | |
ed1f651b | 3110 | #ifdef DEBUG |
2dec80c7 | 3111 | fnotice (stderr, "\nGo ahead? (y or n) "); |
ed1f651b RS |
3112 | fflush (stderr); |
3113 | i = getchar (); | |
3114 | if (i != '\n') | |
e9a25f70 JL |
3115 | while (getchar () != '\n') |
3116 | ; | |
3117 | ||
ed1f651b RS |
3118 | if (i != 'y' && i != 'Y') |
3119 | return 0; | |
3120 | #endif /* DEBUG */ | |
3121 | } | |
3122 | ||
414d23ae | 3123 | #ifdef ENABLE_VALGRIND_CHECKING |
fbe5a4a6 | 3124 | /* Run the each command through valgrind. To simplify prepending the |
414d23ae HPN |
3125 | path to valgrind and the option "-q" (for quiet operation unless |
3126 | something triggers), we allocate a separate argv array. */ | |
3127 | ||
3128 | for (i = 0; i < n_commands; i++) | |
3129 | { | |
3130 | const char **argv; | |
3131 | int argc; | |
3132 | int j; | |
3133 | ||
3134 | for (argc = 0; commands[i].argv[argc] != NULL; argc++) | |
3135 | ; | |
3136 | ||
63ab5b8c | 3137 | argv = XALLOCAVEC (const char *, argc + 3); |
414d23ae HPN |
3138 | |
3139 | argv[0] = VALGRIND_PATH; | |
3140 | argv[1] = "-q"; | |
3141 | for (j = 2; j < argc + 2; j++) | |
3142 | argv[j] = commands[i].argv[j - 2]; | |
3143 | argv[j] = NULL; | |
3144 | ||
3145 | commands[i].argv = argv; | |
3146 | commands[i].prog = argv[0]; | |
3147 | } | |
3148 | #endif | |
3149 | ||
ed1f651b RS |
3150 | /* Run each piped subprocess. */ |
3151 | ||
bdde878c AO |
3152 | pex = pex_init (PEX_USE_PIPES | ((report_times || report_times_to_file) |
3153 | ? PEX_RECORD_TIMES : 0), | |
6afbc885 | 3154 | progname, temp_filename); |
054e88a8 | 3155 | if (pex == NULL) |
40fecdd6 | 3156 | fatal_error (input_location, "pex_init failed: %m"); |
054e88a8 | 3157 | |
ed1f651b RS |
3158 | for (i = 0; i < n_commands; i++) |
3159 | { | |
054e88a8 ILT |
3160 | const char *errmsg; |
3161 | int err; | |
fbd40359 | 3162 | const char *string = commands[i].argv[0]; |
ed1f651b | 3163 | |
054e88a8 ILT |
3164 | errmsg = pex_run (pex, |
3165 | ((i + 1 == n_commands ? PEX_LAST : 0) | |
3166 | | (string == commands[i].prog ? PEX_SEARCH : 0)), | |
b1d5455a | 3167 | string, CONST_CAST (char **, commands[i].argv), |
054e88a8 ILT |
3168 | NULL, NULL, &err); |
3169 | if (errmsg != NULL) | |
3170 | { | |
3171 | if (err == 0) | |
40fecdd6 | 3172 | fatal_error (input_location, errmsg); |
054e88a8 ILT |
3173 | else |
3174 | { | |
3175 | errno = err; | |
3176 | pfatal_with_name (errmsg); | |
3177 | } | |
3178 | } | |
ed1f651b | 3179 | |
dc10fd96 | 3180 | if (i && string != commands[i].prog) |
b1d5455a | 3181 | free (CONST_CAST (char *, string)); |
ed1f651b RS |
3182 | } |
3183 | ||
3184 | execution_count++; | |
3185 | ||
054e88a8 | 3186 | /* Wait for all the subprocesses to finish. */ |
ed1f651b RS |
3187 | |
3188 | { | |
054e88a8 ILT |
3189 | int *statuses; |
3190 | struct pex_time *times = NULL; | |
ed1f651b RS |
3191 | int ret_code = 0; |
3192 | ||
e1e4cdc4 | 3193 | statuses = (int *) alloca (n_commands * sizeof (int)); |
054e88a8 | 3194 | if (!pex_get_status (pex, n_commands, statuses)) |
40fecdd6 | 3195 | fatal_error (input_location, "failed to get exit status: %m"); |
054e88a8 | 3196 | |
bdde878c | 3197 | if (report_times || report_times_to_file) |
ed1f651b | 3198 | { |
e1e4cdc4 | 3199 | times = (struct pex_time *) alloca (n_commands * sizeof (struct pex_time)); |
054e88a8 | 3200 | if (!pex_get_times (pex, n_commands, times)) |
40fecdd6 | 3201 | fatal_error (input_location, "failed to get process times: %m"); |
054e88a8 | 3202 | } |
ed1f651b | 3203 | |
054e88a8 | 3204 | pex_free (pex); |
ed1f651b | 3205 | |
054e88a8 ILT |
3206 | for (i = 0; i < n_commands; ++i) |
3207 | { | |
3208 | int status = statuses[i]; | |
03c41c05 | 3209 | |
054e88a8 | 3210 | if (WIFSIGNALED (status)) |
e54c2581 NS |
3211 | switch (WTERMSIG (status)) |
3212 | { | |
3213 | case SIGINT: | |
3214 | case SIGTERM: | |
3215 | /* SIGQUIT and SIGKILL are not available on MinGW. */ | |
b00775e3 | 3216 | #ifdef SIGQUIT |
e54c2581 | 3217 | case SIGQUIT: |
b00775e3 TP |
3218 | #endif |
3219 | #ifdef SIGKILL | |
e54c2581 NS |
3220 | case SIGKILL: |
3221 | #endif | |
3222 | /* The user (or environment) did something to the | |
3223 | inferior. Making this an ICE confuses the user into | |
3224 | thinking there's a compiler bug. Much more likely is | |
3225 | the user or OOM killer nuked it. */ | |
3226 | fatal_error (input_location, | |
3227 | "%s signal terminated program %s", | |
3228 | strsignal (WTERMSIG (status)), | |
3229 | commands[i].prog); | |
3230 | break; | |
3231 | ||
3232 | #ifdef SIGPIPE | |
3233 | case SIGPIPE: | |
3234 | /* SIGPIPE is a special case. It happens in -pipe mode | |
3235 | when the compiler dies before the preprocessor is | |
3236 | done, or the assembler dies before the compiler is | |
3237 | done. There's generally been an error already, and | |
3238 | this is just fallout. So don't generate another | |
3239 | error unless we would otherwise have succeeded. */ | |
3240 | if (signal_count || greatest_status >= MIN_FATAL_STATUS) | |
3241 | { | |
3242 | signal_count++; | |
3243 | ret_code = -1; | |
466e6e8d | 3244 | break; |
466e6e8d | 3245 | } |
e54c2581 NS |
3246 | #endif |
3247 | /* FALLTHROUGH */ | |
3248 | ||
3249 | default: | |
3250 | /* The inferior failed to catch the signal. */ | |
3251 | internal_error_no_backtrace ("%s signal terminated program %s", | |
3252 | strsignal (WTERMSIG (status)), | |
3253 | commands[i].prog); | |
3254 | } | |
054e88a8 ILT |
3255 | else if (WIFEXITED (status) |
3256 | && WEXITSTATUS (status) >= MIN_FATAL_STATUS) | |
3257 | { | |
dc10fd96 JJ |
3258 | /* For ICEs in cc1, cc1obj, cc1plus see if it is |
3259 | reproducible or not. */ | |
3260 | const char *p; | |
3261 | if (flag_report_bug | |
3262 | && WEXITSTATUS (status) == ICE_EXIT_CODE | |
3263 | && i == 0 | |
3264 | && (p = strrchr (commands[0].argv[0], DIR_SEPARATOR)) | |
3265 | && ! strncmp (p + 1, "cc1", 3)) | |
1120a850 | 3266 | try_generate_repro (commands[0].argv); |
054e88a8 ILT |
3267 | if (WEXITSTATUS (status) > greatest_status) |
3268 | greatest_status = WEXITSTATUS (status); | |
3269 | ret_code = -1; | |
3270 | } | |
3271 | ||
bdde878c | 3272 | if (report_times || report_times_to_file) |
054e88a8 ILT |
3273 | { |
3274 | struct pex_time *pt = ×[i]; | |
3275 | double ut, st; | |
3276 | ||
3277 | ut = ((double) pt->user_seconds | |
3278 | + (double) pt->user_microseconds / 1.0e6); | |
3279 | st = ((double) pt->system_seconds | |
3280 | + (double) pt->system_microseconds / 1.0e6); | |
3281 | ||
3282 | if (ut + st != 0) | |
bdde878c AO |
3283 | { |
3284 | if (report_times) | |
2dec80c7 JM |
3285 | fnotice (stderr, "# %s %.2f %.2f\n", |
3286 | commands[i].prog, ut, st); | |
bdde878c AO |
3287 | |
3288 | if (report_times_to_file) | |
3289 | { | |
3290 | int c = 0; | |
3291 | const char *const *j; | |
3292 | ||
3293 | fprintf (report_times_to_file, "%g %g", ut, st); | |
3294 | ||
3295 | for (j = &commands[i].prog; *j; j = &commands[i].argv[++c]) | |
3296 | { | |
3297 | const char *p; | |
3298 | for (p = *j; *p; ++p) | |
3299 | if (*p == '"' || *p == '\\' || *p == '$' | |
3300 | || ISSPACE (*p)) | |
3301 | break; | |
3302 | ||
3303 | if (*p) | |
3304 | { | |
3305 | fprintf (report_times_to_file, " \""); | |
3306 | for (p = *j; *p; ++p) | |
3307 | { | |
3308 | if (*p == '"' || *p == '\\' || *p == '$') | |
3309 | fputc ('\\', report_times_to_file); | |
3310 | fputc (*p, report_times_to_file); | |
3311 | } | |
3312 | fputc ('"', report_times_to_file); | |
3313 | } | |
3314 | else | |
3315 | fprintf (report_times_to_file, " %s", *j); | |
3316 | } | |
3317 | ||
3318 | fputc ('\n', report_times_to_file); | |
3319 | } | |
3320 | } | |
054e88a8 | 3321 | } |
ed1f651b | 3322 | } |
054e88a8 | 3323 | |
dc10fd96 JJ |
3324 | if (commands[0].argv[0] != commands[0].prog) |
3325 | free (CONST_CAST (char *, commands[0].argv[0])); | |
3326 | ||
ed1f651b RS |
3327 | return ret_code; |
3328 | } | |
3329 | } | |
3330 | \f | |
3331 | /* Find all the switches given to us | |
3332 | and make a vector describing them. | |
3333 | The elements of the vector are strings, one per switch given. | |
3334 | If a switch uses following arguments, then the `part1' field | |
3335 | is the switch itself and the `args' field | |
3336 | is a null-terminated vector containing the following arguments. | |
3371362c L |
3337 | Bits in the `live_cond' field are: |
3338 | SWITCH_LIVE to indicate this switch is true in a conditional spec. | |
3339 | SWITCH_FALSE to indicate this switch is overridden by a later switch. | |
3340 | SWITCH_IGNORE to indicate this switch should be ignored (used in %<S). | |
db8d0919 TS |
3341 | SWITCH_IGNORE_PERMANENTLY to indicate this switch should be ignored. |
3342 | SWITCH_KEEP_FOR_GCC to indicate that this switch, otherwise ignored, | |
3343 | should be included in COLLECT_GCC_OPTIONS. | |
94b90527 | 3344 | in all do_spec calls afterwards. Used for %<S from self specs. |
db8d0919 TS |
3345 | The `known' field describes whether this is an internal switch. |
3346 | The `validated' field describes whether any spec has looked at this switch; | |
3347 | if it remains false at the end of the run, the switch must be meaningless. | |
3348 | The `ordering' field is used to temporarily mark switches that have to be | |
3349 | kept in a specific order. */ | |
ed1f651b | 3350 | |
96f5b137 L |
3351 | #define SWITCH_LIVE (1 << 0) |
3352 | #define SWITCH_FALSE (1 << 1) | |
3353 | #define SWITCH_IGNORE (1 << 2) | |
3354 | #define SWITCH_IGNORE_PERMANENTLY (1 << 3) | |
3355 | #define SWITCH_KEEP_FOR_GCC (1 << 4) | |
8097c429 | 3356 | |
ed1f651b RS |
3357 | struct switchstr |
3358 | { | |
878f32c3 | 3359 | const char *part1; |
fbd40359 | 3360 | const char **args; |
3371362c | 3361 | unsigned int live_cond; |
d168aaee CB |
3362 | bool known; |
3363 | bool validated; | |
3364 | bool ordering; | |
ed1f651b RS |
3365 | }; |
3366 | ||
3367 | static struct switchstr *switches; | |
3368 | ||
3369 | static int n_switches; | |
3370 | ||
922e1882 JM |
3371 | static int n_switches_alloc; |
3372 | ||
2153915d AO |
3373 | /* Set to zero if -fcompare-debug is disabled, positive if it's |
3374 | enabled and we're running the first compilation, negative if it's | |
3375 | enabled and we're running the second compilation. For most of the | |
3376 | time, it's in the range -1..1, but it can be temporarily set to 2 | |
3377 | or 3 to indicate that the -fcompare-debug flags didn't come from | |
3378 | the command-line, but rather from the GCC_COMPARE_DEBUG environment | |
3379 | variable, until a synthesized -fcompare-debug flag is added to the | |
3380 | command line. */ | |
3381 | int compare_debug; | |
3382 | ||
3383 | /* Set to nonzero if we've seen the -fcompare-debug-second flag. */ | |
3384 | int compare_debug_second; | |
3385 | ||
3386 | /* Set to the flags that should be passed to the second compilation in | |
3387 | a -fcompare-debug compilation. */ | |
3388 | const char *compare_debug_opt; | |
3389 | ||
3390 | static struct switchstr *switches_debug_check[2]; | |
3391 | ||
3392 | static int n_switches_debug_check[2]; | |
3393 | ||
efe5e5a0 JM |
3394 | static int n_switches_alloc_debug_check[2]; |
3395 | ||
2153915d AO |
3396 | static char *debug_check_temp_file[2]; |
3397 | ||
817a8255 EC |
3398 | /* Language is one of three things: |
3399 | ||
3400 | 1) The name of a real programming language. | |
3401 | 2) NULL, indicating that no one has figured out | |
3402 | what it is yet. | |
3403 | 3) '*', indicating that the file should be passed | |
3404 | to the linker. */ | |
ed1f651b RS |
3405 | struct infile |
3406 | { | |
878f32c3 KG |
3407 | const char *name; |
3408 | const char *language; | |
0855eab7 CT |
3409 | struct compiler *incompiler; |
3410 | bool compiled; | |
3411 | bool preprocessed; | |
ed1f651b RS |
3412 | }; |
3413 | ||
3414 | /* Also a vector of input files specified. */ | |
3415 | ||
3416 | static struct infile *infiles; | |
3417 | ||
3a5a9edc | 3418 | int n_infiles; |
ed1f651b | 3419 | |
922e1882 JM |
3420 | static int n_infiles_alloc; |
3421 | ||
ba85c5fd OH |
3422 | /* True if undefined environment variables encountered during spec processing |
3423 | are ok to ignore, typically when we're running for --help or --version. */ | |
3424 | ||
3425 | static bool spec_undefvar_allowed; | |
3426 | ||
d1bd0ded GK |
3427 | /* True if multiple input files are being compiled to a single |
3428 | assembly file. */ | |
3429 | ||
3430 | static bool combine_inputs; | |
3431 | ||
08dc830e | 3432 | /* This counts the number of libraries added by lang_specific_driver, so that |
a2a05b0a JW |
3433 | we can tell if there were any user supplied any files or libraries. */ |
3434 | ||
3435 | static int added_libraries; | |
3436 | ||
ed1f651b RS |
3437 | /* And a vector of corresponding output files is made up later. */ |
3438 | ||
3a5a9edc | 3439 | const char **outfiles; |
853e0b2d | 3440 | \f |
45936a85 | 3441 | #if defined(HAVE_TARGET_OBJECT_SUFFIX) || defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
853e0b2d RK |
3442 | |
3443 | /* Convert NAME to a new name if it is the standard suffix. DO_EXE | |
a9657ce8 DR |
3444 | is true if we should look for an executable suffix. DO_OBJ |
3445 | is true if we should look for an object suffix. */ | |
853e0b2d | 3446 | |
40cdfca6 | 3447 | static const char * |
1d088dee AJ |
3448 | convert_filename (const char *name, int do_exe ATTRIBUTE_UNUSED, |
3449 | int do_obj ATTRIBUTE_UNUSED) | |
853e0b2d | 3450 | { |
40cdfca6 | 3451 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
853e0b2d | 3452 | int i; |
40cdfca6 | 3453 | #endif |
87e690e2 MK |
3454 | int len; |
3455 | ||
3456 | if (name == NULL) | |
3457 | return NULL; | |
9218435e | 3458 | |
87e690e2 | 3459 | len = strlen (name); |
853e0b2d | 3460 | |
45936a85 DD |
3461 | #ifdef HAVE_TARGET_OBJECT_SUFFIX |
3462 | /* Convert x.o to x.obj if TARGET_OBJECT_SUFFIX is ".obj". */ | |
a9657ce8 | 3463 | if (do_obj && len > 2 |
853e0b2d RK |
3464 | && name[len - 2] == '.' |
3465 | && name[len - 1] == 'o') | |
3466 | { | |
bdc5ed93 | 3467 | obstack_grow (&obstack, name, len - 2); |
45936a85 | 3468 | obstack_grow0 (&obstack, TARGET_OBJECT_SUFFIX, strlen (TARGET_OBJECT_SUFFIX)); |
7973fd2a | 3469 | name = XOBFINISH (&obstack, const char *); |
853e0b2d RK |
3470 | } |
3471 | #endif | |
3472 | ||
45936a85 | 3473 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
853e0b2d RK |
3474 | /* If there is no filetype, make it the executable suffix (which includes |
3475 | the "."). But don't get confused if we have just "-o". */ | |
45936a85 | 3476 | if (! do_exe || TARGET_EXECUTABLE_SUFFIX[0] == 0 || (len == 2 && name[0] == '-')) |
853e0b2d RK |
3477 | return name; |
3478 | ||
e0040a8e | 3479 | for (i = len - 1; i >= 0; i--) |
509781a4 | 3480 | if (IS_DIR_SEPARATOR (name[i])) |
e0040a8e RK |
3481 | break; |
3482 | ||
3483 | for (i++; i < len; i++) | |
853e0b2d RK |
3484 | if (name[i] == '.') |
3485 | return name; | |
3486 | ||
3487 | obstack_grow (&obstack, name, len); | |
5d9669fd RK |
3488 | obstack_grow0 (&obstack, TARGET_EXECUTABLE_SUFFIX, |
3489 | strlen (TARGET_EXECUTABLE_SUFFIX)); | |
7973fd2a | 3490 | name = XOBFINISH (&obstack, const char *); |
853e0b2d RK |
3491 | #endif |
3492 | ||
3493 | return name; | |
3494 | } | |
3495 | #endif | |
b8468bc7 NC |
3496 | \f |
3497 | /* Display the command line switches accepted by gcc. */ | |
3498 | static void | |
1d088dee | 3499 | display_help (void) |
b8468bc7 | 3500 | { |
6afbc885 | 3501 | printf (_("Usage: %s [options] file...\n"), progname); |
5e4adfba | 3502 | fputs (_("Options:\n"), stdout); |
b8468bc7 | 3503 | |
a7b2e184 MS |
3504 | fputs (_(" -pass-exit-codes Exit with highest error code from a phase.\n"), stdout); |
3505 | fputs (_(" --help Display this information.\n"), stdout); | |
3506 | fputs (_(" --target-help Display target specific command line options.\n"), stdout); | |
3507 | fputs (_(" --help={common|optimizers|params|target|warnings|[^]{joined|separate|undocumented}}[,...].\n"), stdout); | |
3508 | fputs (_(" Display specific types of command line options.\n"), stdout); | |
b8468bc7 | 3509 | if (! verbose_flag) |
a7b2e184 MS |
3510 | fputs (_(" (Use '-v --help' to display command line options of sub-processes).\n"), stdout); |
3511 | fputs (_(" --version Display compiler version information.\n"), stdout); | |
3512 | fputs (_(" -dumpspecs Display all of the built in spec strings.\n"), stdout); | |
3513 | fputs (_(" -dumpversion Display the version of the compiler.\n"), stdout); | |
3514 | fputs (_(" -dumpmachine Display the compiler's target processor.\n"), stdout); | |
3515 | fputs (_(" -print-search-dirs Display the directories in the compiler's search path.\n"), stdout); | |
3516 | fputs (_(" -print-libgcc-file-name Display the name of the compiler's companion library.\n"), stdout); | |
3517 | fputs (_(" -print-file-name=<lib> Display the full path to library <lib>.\n"), stdout); | |
3518 | fputs (_(" -print-prog-name=<prog> Display the full path to compiler component <prog>.\n"), stdout); | |
e0cdc09f MK |
3519 | fputs (_("\ |
3520 | -print-multiarch Display the target's normalized GNU triplet, used as\n\ | |
a7b2e184 MS |
3521 | a component in the library path.\n"), stdout); |
3522 | fputs (_(" -print-multi-directory Display the root directory for versions of libgcc.\n"), stdout); | |
5e4adfba PT |
3523 | fputs (_("\ |
3524 | -print-multi-lib Display the mapping between command line options and\n\ | |
a7b2e184 MS |
3525 | multiple library search directories.\n"), stdout); |
3526 | fputs (_(" -print-multi-os-directory Display the relative path to OS libraries.\n"), stdout); | |
3527 | fputs (_(" -print-sysroot Display the target libraries directory.\n"), stdout); | |
3528 | fputs (_(" -print-sysroot-headers-suffix Display the sysroot suffix used to find headers.\n"), stdout); | |
3529 | fputs (_(" -Wa,<options> Pass comma-separated <options> on to the assembler.\n"), stdout); | |
3530 | fputs (_(" -Wp,<options> Pass comma-separated <options> on to the preprocessor.\n"), stdout); | |
3531 | fputs (_(" -Wl,<options> Pass comma-separated <options> on to the linker.\n"), stdout); | |
3532 | fputs (_(" -Xassembler <arg> Pass <arg> on to the assembler.\n"), stdout); | |
3533 | fputs (_(" -Xpreprocessor <arg> Pass <arg> on to the preprocessor.\n"), stdout); | |
3534 | fputs (_(" -Xlinker <arg> Pass <arg> on to the linker.\n"), stdout); | |
3535 | fputs (_(" -save-temps Do not delete intermediate files.\n"), stdout); | |
3536 | fputs (_(" -save-temps=<arg> Do not delete intermediate files.\n"), stdout); | |
ba0c638e SB |
3537 | fputs (_("\ |
3538 | -no-canonical-prefixes Do not canonicalize paths when building relative\n\ | |
a7b2e184 MS |
3539 | prefixes to other gcc components.\n"), stdout); |
3540 | fputs (_(" -pipe Use pipes rather than intermediate files.\n"), stdout); | |
3541 | fputs (_(" -time Time the execution of each subprocess.\n"), stdout); | |
3542 | fputs (_(" -specs=<file> Override built-in specs with the contents of <file>.\n"), stdout); | |
3543 | fputs (_(" -std=<standard> Assume that the input sources are for <standard>.\n"), stdout); | |
160633c6 MM |
3544 | fputs (_("\ |
3545 | --sysroot=<directory> Use <directory> as the root directory for headers\n\ | |
a7b2e184 MS |
3546 | and libraries.\n"), stdout); |
3547 | fputs (_(" -B <directory> Add <directory> to the compiler's search paths.\n"), stdout); | |
3548 | fputs (_(" -v Display the programs invoked by the compiler.\n"), stdout); | |
3549 | fputs (_(" -### Like -v but options quoted and commands not executed.\n"), stdout); | |
3550 | fputs (_(" -E Preprocess only; do not compile, assemble or link.\n"), stdout); | |
3551 | fputs (_(" -S Compile only; do not assemble or link.\n"), stdout); | |
3552 | fputs (_(" -c Compile and assemble, but do not link.\n"), stdout); | |
3553 | fputs (_(" -o <file> Place the output into <file>.\n"), stdout); | |
b4fed890 L |
3554 | fputs (_(" -pie Create a dynamically linked position independent\n\ |
3555 | executable.\n"), stdout); | |
a7b2e184 | 3556 | fputs (_(" -shared Create a shared library.\n"), stdout); |
5e4adfba | 3557 | fputs (_("\ |
a7b2e184 | 3558 | -x <language> Specify the language of the following input files.\n\ |
8e854b76 | 3559 | Permissible languages include: c c++ assembler none\n\ |
1737c953 | 3560 | 'none' means revert to the default behavior of\n\ |
a7b2e184 | 3561 | guessing the language based on the file's extension.\n\ |
5e4adfba PT |
3562 | "), stdout); |
3563 | ||
0c386769 | 3564 | printf (_("\ |
d991c721 BK |
3565 | \nOptions starting with -g, -f, -m, -O, -W, or --param are automatically\n\ |
3566 | passed on to the various sub-processes invoked by %s. In order to pass\n\ | |
3567 | other options on to these processes the -W<letter> options must be used.\n\ | |
6afbc885 | 3568 | "), progname); |
b8468bc7 NC |
3569 | |
3570 | /* The rest of the options are displayed by invocations of the various | |
3571 | sub-processes. */ | |
3572 | } | |
3573 | ||
9218435e | 3574 | static void |
1d088dee | 3575 | add_preprocessor_option (const char *option, int len) |
9218435e | 3576 | { |
9771b263 | 3577 | preprocessor_options.safe_push (save_string (option, len)); |
40f943dd | 3578 | } |
9218435e KH |
3579 | |
3580 | static void | |
1d088dee | 3581 | add_assembler_option (const char *option, int len) |
878f32c3 | 3582 | { |
9771b263 | 3583 | assembler_options.safe_push (save_string (option, len)); |
b8468bc7 | 3584 | } |
9218435e KH |
3585 | |
3586 | static void | |
1d088dee | 3587 | add_linker_option (const char *option, int len) |
878f32c3 | 3588 | { |
9771b263 | 3589 | linker_options.safe_push (save_string (option, len)); |
40f943dd | 3590 | } |
853e0b2d | 3591 | \f |
922e1882 JM |
3592 | /* Allocate space for an input file in infiles. */ |
3593 | ||
3594 | static void | |
3595 | alloc_infile (void) | |
3596 | { | |
3597 | if (n_infiles_alloc == 0) | |
3598 | { | |
3599 | n_infiles_alloc = 16; | |
3600 | infiles = XNEWVEC (struct infile, n_infiles_alloc); | |
3601 | } | |
3602 | else if (n_infiles_alloc == n_infiles) | |
3603 | { | |
3604 | n_infiles_alloc *= 2; | |
3605 | infiles = XRESIZEVEC (struct infile, infiles, n_infiles_alloc); | |
3606 | } | |
3607 | } | |
3608 | ||
3609 | /* Store an input file with the given NAME and LANGUAGE in | |
3610 | infiles. */ | |
3611 | ||
3612 | static void | |
3613 | add_infile (const char *name, const char *language) | |
3614 | { | |
3615 | alloc_infile (); | |
3616 | infiles[n_infiles].name = name; | |
3617 | infiles[n_infiles++].language = language; | |
3618 | } | |
3619 | ||
3620 | /* Allocate space for a switch in switches. */ | |
3621 | ||
3622 | static void | |
3623 | alloc_switch (void) | |
3624 | { | |
3625 | if (n_switches_alloc == 0) | |
3626 | { | |
3627 | n_switches_alloc = 16; | |
3628 | switches = XNEWVEC (struct switchstr, n_switches_alloc); | |
3629 | } | |
3630 | else if (n_switches_alloc == n_switches) | |
3631 | { | |
3632 | n_switches_alloc *= 2; | |
3633 | switches = XRESIZEVEC (struct switchstr, switches, n_switches_alloc); | |
3634 | } | |
3635 | } | |
3636 | ||
603349bf | 3637 | /* Save an option OPT with N_ARGS arguments in array ARGS, marking it |
d168aaee | 3638 | as validated if VALIDATED and KNOWN if it is an internal switch. */ |
603349bf JM |
3639 | |
3640 | static void | |
3641 | save_switch (const char *opt, size_t n_args, const char *const *args, | |
d168aaee | 3642 | bool validated, bool known) |
603349bf JM |
3643 | { |
3644 | alloc_switch (); | |
3645 | switches[n_switches].part1 = opt + 1; | |
3646 | if (n_args == 0) | |
3647 | switches[n_switches].args = 0; | |
3648 | else | |
3649 | { | |
3650 | switches[n_switches].args = XNEWVEC (const char *, n_args + 1); | |
3651 | memcpy (switches[n_switches].args, args, n_args * sizeof (const char *)); | |
3652 | switches[n_switches].args[n_args] = NULL; | |
3653 | } | |
3654 | ||
3655 | switches[n_switches].live_cond = 0; | |
3656 | switches[n_switches].validated = validated; | |
d168aaee | 3657 | switches[n_switches].known = known; |
603349bf JM |
3658 | switches[n_switches].ordering = 0; |
3659 | n_switches++; | |
3660 | } | |
3661 | ||
15c98b2e ES |
3662 | /* Set the SOURCE_DATE_EPOCH environment variable to the current time if it is |
3663 | not set already. */ | |
3664 | ||
3665 | static void | |
3666 | set_source_date_epoch_envvar () | |
3667 | { | |
3668 | /* Array size is 21 = ceil(log_10(2^64)) + 1 to hold string representations | |
3669 | of 64 bit integers. */ | |
3670 | char source_date_epoch[21]; | |
3671 | time_t tt; | |
3672 | ||
3673 | errno = 0; | |
3674 | tt = time (NULL); | |
3675 | if (tt < (time_t) 0 || errno != 0) | |
3676 | tt = (time_t) 0; | |
3677 | ||
3678 | snprintf (source_date_epoch, 21, "%llu", (unsigned long long) tt); | |
3679 | /* Using setenv instead of xputenv because we want the variable to remain | |
3680 | after finalizing so that it's still set in the second run when using | |
3681 | -fcompare-debug. */ | |
3682 | setenv ("SOURCE_DATE_EPOCH", source_date_epoch, 0); | |
3683 | } | |
3684 | ||
603349bf | 3685 | /* Handle an option DECODED that is unknown to the option-processing |
66017846 | 3686 | machinery. */ |
603349bf JM |
3687 | |
3688 | static bool | |
3689 | driver_unknown_option_callback (const struct cl_decoded_option *decoded) | |
3690 | { | |
66017846 JM |
3691 | const char *opt = decoded->arg; |
3692 | if (opt[1] == 'W' && opt[2] == 'n' && opt[3] == 'o' && opt[4] == '-' | |
3693 | && !(decoded->errors & CL_ERR_NEGATIVE)) | |
3694 | { | |
3695 | /* Leave unknown -Wno-* options for the compiler proper, to be | |
3696 | diagnosed only if there are warnings. */ | |
3697 | save_switch (decoded->canonical_option[0], | |
3698 | decoded->canonical_option_num_elements - 1, | |
d168aaee CB |
3699 | &decoded->canonical_option[1], false, true); |
3700 | return false; | |
3701 | } | |
3702 | if (decoded->opt_index == OPT_SPECIAL_unknown) | |
3703 | { | |
026c3cfd | 3704 | /* Give it a chance to define it a spec file. */ |
d168aaee CB |
3705 | save_switch (decoded->canonical_option[0], |
3706 | decoded->canonical_option_num_elements - 1, | |
3707 | &decoded->canonical_option[1], false, false); | |
66017846 JM |
3708 | return false; |
3709 | } | |
3710 | else | |
3711 | return true; | |
603349bf JM |
3712 | } |
3713 | ||
3714 | /* Handle an option DECODED that is not marked as CL_DRIVER. | |
3715 | LANG_MASK will always be CL_DRIVER. */ | |
3716 | ||
3717 | static void | |
3718 | driver_wrong_lang_callback (const struct cl_decoded_option *decoded, | |
3719 | unsigned int lang_mask ATTRIBUTE_UNUSED) | |
3720 | { | |
3721 | /* At this point, non-driver options are accepted (and expected to | |
3722 | be passed down by specs) unless marked to be rejected by the | |
3723 | driver. Options to be rejected by the driver but accepted by the | |
3724 | compilers proper are treated just like completely unknown | |
3725 | options. */ | |
3726 | const struct cl_option *option = &cl_options[decoded->opt_index]; | |
3727 | ||
300d83d9 | 3728 | if (option->cl_reject_driver) |
603349bf JM |
3729 | error ("unrecognized command line option %qs", |
3730 | decoded->orig_option_with_args_text); | |
3731 | else | |
66017846 JM |
3732 | save_switch (decoded->canonical_option[0], |
3733 | decoded->canonical_option_num_elements - 1, | |
d168aaee | 3734 | &decoded->canonical_option[1], false, true); |
603349bf JM |
3735 | } |
3736 | ||
603349bf JM |
3737 | static const char *spec_lang = 0; |
3738 | static int last_language_n_infiles; | |
3739 | ||
c713ddc0 BS |
3740 | /* Parse -foffload option argument. */ |
3741 | ||
3742 | static void | |
3743 | handle_foffload_option (const char *arg) | |
3744 | { | |
3745 | const char *c, *cur, *n, *next, *end; | |
3746 | char *target; | |
3747 | ||
3748 | /* If option argument starts with '-' then no target is specified and we | |
3749 | do not need to parse it. */ | |
3750 | if (arg[0] == '-') | |
3751 | return; | |
3752 | ||
b08dec2f DH |
3753 | end = strchr (arg, '='); |
3754 | if (end == NULL) | |
3755 | end = strchr (arg, '\0'); | |
c713ddc0 BS |
3756 | cur = arg; |
3757 | ||
3758 | while (cur < end) | |
3759 | { | |
b08dec2f DH |
3760 | next = strchr (cur, ','); |
3761 | if (next == NULL) | |
191ec640 | 3762 | next = end; |
c713ddc0 BS |
3763 | next = (next > end) ? end : next; |
3764 | ||
3765 | target = XNEWVEC (char, next - cur + 1); | |
191ec640 | 3766 | memcpy (target, cur, next - cur); |
c713ddc0 BS |
3767 | target[next - cur] = '\0'; |
3768 | ||
3769 | /* If 'disable' is passed to the option, stop parsing the option and clean | |
3770 | the list of offload targets. */ | |
3771 | if (strcmp (target, "disable") == 0) | |
3772 | { | |
3773 | free (offload_targets); | |
3774 | offload_targets = xstrdup (""); | |
3775 | break; | |
3776 | } | |
3777 | ||
3778 | /* Check that GCC is configured to support the offload target. */ | |
3779 | c = OFFLOAD_TARGETS; | |
3780 | while (c) | |
3781 | { | |
b08dec2f DH |
3782 | n = strchr (c, ','); |
3783 | if (n == NULL) | |
3784 | n = strchr (c, '\0'); | |
c713ddc0 | 3785 | |
191ec640 | 3786 | if (next - cur == n - c && strncmp (target, c, n - c) == 0) |
c713ddc0 BS |
3787 | break; |
3788 | ||
3789 | c = *n ? n + 1 : NULL; | |
3790 | } | |
3791 | ||
3792 | if (!c) | |
40fecdd6 JM |
3793 | fatal_error (input_location, |
3794 | "GCC is not configured to support %s as offload target", | |
c713ddc0 BS |
3795 | target); |
3796 | ||
3797 | if (!offload_targets) | |
191ec640 IT |
3798 | { |
3799 | offload_targets = target; | |
3800 | target = NULL; | |
3801 | } | |
c713ddc0 BS |
3802 | else |
3803 | { | |
3804 | /* Check that the target hasn't already presented in the list. */ | |
3805 | c = offload_targets; | |
3806 | do | |
3807 | { | |
b08dec2f DH |
3808 | n = strchr (c, ':'); |
3809 | if (n == NULL) | |
3810 | n = strchr (c, '\0'); | |
c713ddc0 | 3811 | |
191ec640 | 3812 | if (next - cur == n - c && strncmp (c, target, n - c) == 0) |
c713ddc0 BS |
3813 | break; |
3814 | ||
3815 | c = n + 1; | |
3816 | } | |
3817 | while (*n); | |
3818 | ||
3819 | /* If duplicate is not found, append the target to the list. */ | |
3820 | if (c > n) | |
3821 | { | |
191ec640 | 3822 | size_t offload_targets_len = strlen (offload_targets); |
c713ddc0 BS |
3823 | offload_targets |
3824 | = XRESIZEVEC (char, offload_targets, | |
a9c23810 TS |
3825 | offload_targets_len + 1 + next - cur + 1); |
3826 | offload_targets[offload_targets_len++] = ':'; | |
3827 | memcpy (offload_targets + offload_targets_len, target, next - cur + 1); | |
c713ddc0 BS |
3828 | } |
3829 | } | |
3830 | ||
3831 | cur = next + 1; | |
3832 | XDELETEVEC (target); | |
3833 | } | |
3834 | } | |
3835 | ||
603349bf JM |
3836 | /* Handle a driver option; arguments and return value as for |
3837 | handle_option. */ | |
3838 | ||
3839 | static bool | |
46625112 | 3840 | driver_handle_option (struct gcc_options *opts, |
d4d24ba4 | 3841 | struct gcc_options *opts_set, |
46625112 | 3842 | const struct cl_decoded_option *decoded, |
603349bf | 3843 | unsigned int lang_mask ATTRIBUTE_UNUSED, int kind, |
a4d8c676 | 3844 | location_t loc, |
d5478783 | 3845 | const struct cl_option_handlers *handlers ATTRIBUTE_UNUSED, |
130fcab0 ML |
3846 | diagnostic_context *dc, |
3847 | void (*) (void)) | |
603349bf JM |
3848 | { |
3849 | size_t opt_index = decoded->opt_index; | |
3850 | const char *arg = decoded->arg; | |
3851 | const char *compare_debug_replacement_opt; | |
3852 | int value = decoded->value; | |
3853 | bool validated = false; | |
3854 | bool do_save = true; | |
3855 | ||
46625112 | 3856 | gcc_assert (opts == &global_options); |
d4d24ba4 | 3857 | gcc_assert (opts_set == &global_options_set); |
603349bf | 3858 | gcc_assert (kind == DK_UNSPECIFIED); |
a4d8c676 | 3859 | gcc_assert (loc == UNKNOWN_LOCATION); |
d5478783 | 3860 | gcc_assert (dc == global_dc); |
603349bf JM |
3861 | |
3862 | switch (opt_index) | |
3863 | { | |
3864 | case OPT_dumpspecs: | |
3865 | { | |
3866 | struct spec_list *sl; | |
3867 | init_spec (); | |
3868 | for (sl = specs; sl; sl = sl->next) | |
3869 | printf ("*%s:\n%s\n\n", sl->name, *(sl->ptr_spec)); | |
3870 | if (link_command_spec) | |
3871 | printf ("*link_command:\n%s\n\n", link_command_spec); | |
3872 | exit (0); | |
3873 | } | |
3874 | ||
3875 | case OPT_dumpversion: | |
3876 | printf ("%s\n", spec_version); | |
3877 | exit (0); | |
3878 | ||
3879 | case OPT_dumpmachine: | |
3880 | printf ("%s\n", spec_machine); | |
3881 | exit (0); | |
3882 | ||
3c36aa6b JJ |
3883 | case OPT_dumpfullversion: |
3884 | printf ("%s\n", BASEVER); | |
3885 | exit (0); | |
3886 | ||
e200444e | 3887 | case OPT__version: |
603349bf JM |
3888 | print_version = 1; |
3889 | ||
3890 | /* CPP driver cannot obtain switch from cc1_options. */ | |
3891 | if (is_cpp_driver) | |
3892 | add_preprocessor_option ("--version", strlen ("--version")); | |
3893 | add_assembler_option ("--version", strlen ("--version")); | |
3894 | add_linker_option ("--version", strlen ("--version")); | |
3895 | break; | |
3896 | ||
d86c7648 ML |
3897 | case OPT__completion_: |
3898 | validated = true; | |
3899 | completion = decoded->arg; | |
3900 | break; | |
3901 | ||
e200444e | 3902 | case OPT__help: |
603349bf JM |
3903 | print_help_list = 1; |
3904 | ||
3905 | /* CPP driver cannot obtain switch from cc1_options. */ | |
3906 | if (is_cpp_driver) | |
3907 | add_preprocessor_option ("--help", 6); | |
3908 | add_assembler_option ("--help", 6); | |
3909 | add_linker_option ("--help", 6); | |
3910 | break; | |
3911 | ||
e200444e | 3912 | case OPT__help_: |
603349bf JM |
3913 | print_subprocess_help = 2; |
3914 | break; | |
3915 | ||
e200444e | 3916 | case OPT__target_help: |
603349bf JM |
3917 | print_subprocess_help = 1; |
3918 | ||
3919 | /* CPP driver cannot obtain switch from cc1_options. */ | |
3920 | if (is_cpp_driver) | |
3921 | add_preprocessor_option ("--target-help", 13); | |
3922 | add_assembler_option ("--target-help", 13); | |
3923 | add_linker_option ("--target-help", 13); | |
3924 | break; | |
3925 | ||
28b4fc51 | 3926 | case OPT__no_sysroot_suffix: |
603349bf JM |
3927 | case OPT_pass_exit_codes: |
3928 | case OPT_print_search_dirs: | |
3929 | case OPT_print_file_name_: | |
3930 | case OPT_print_prog_name_: | |
3931 | case OPT_print_multi_lib: | |
3932 | case OPT_print_multi_directory: | |
3933 | case OPT_print_sysroot: | |
3934 | case OPT_print_multi_os_directory: | |
e0cdc09f | 3935 | case OPT_print_multiarch: |
603349bf JM |
3936 | case OPT_print_sysroot_headers_suffix: |
3937 | case OPT_time: | |
3938 | case OPT_wrapper: | |
3939 | /* These options set the variables specified in common.opt | |
3940 | automatically, and do not need to be saved for spec | |
3941 | processing. */ | |
3942 | do_save = false; | |
3943 | break; | |
3944 | ||
3945 | case OPT_print_libgcc_file_name: | |
3946 | print_file_name = "libgcc.a"; | |
3947 | do_save = false; | |
3948 | break; | |
3949 | ||
b78e932d L |
3950 | case OPT_fuse_ld_bfd: |
3951 | use_ld = ".bfd"; | |
3952 | break; | |
3953 | ||
3954 | case OPT_fuse_ld_gold: | |
3955 | use_ld = ".gold"; | |
3956 | break; | |
3957 | ||
603349bf JM |
3958 | case OPT_fcompare_debug_second: |
3959 | compare_debug_second = 1; | |
3960 | break; | |
3961 | ||
3962 | case OPT_fcompare_debug: | |
3963 | switch (value) | |
3964 | { | |
3965 | case 0: | |
3966 | compare_debug_replacement_opt = "-fcompare-debug="; | |
3967 | arg = ""; | |
3968 | goto compare_debug_with_arg; | |
3969 | ||
3970 | case 1: | |
3971 | compare_debug_replacement_opt = "-fcompare-debug=-gtoggle"; | |
3972 | arg = "-gtoggle"; | |
3973 | goto compare_debug_with_arg; | |
3974 | ||
3975 | default: | |
3976 | gcc_unreachable (); | |
3977 | } | |
3978 | break; | |
3979 | ||
3980 | case OPT_fcompare_debug_: | |
3981 | compare_debug_replacement_opt = decoded->canonical_option[0]; | |
3982 | compare_debug_with_arg: | |
3983 | gcc_assert (decoded->canonical_option_num_elements == 1); | |
3984 | gcc_assert (arg != NULL); | |
28c14a04 | 3985 | if (*arg) |
603349bf JM |
3986 | compare_debug = 1; |
3987 | else | |
3988 | compare_debug = -1; | |
3989 | if (compare_debug < 0) | |
3990 | compare_debug_opt = NULL; | |
3991 | else | |
3992 | compare_debug_opt = arg; | |
d168aaee | 3993 | save_switch (compare_debug_replacement_opt, 0, NULL, validated, true); |
15c98b2e | 3994 | set_source_date_epoch_envvar (); |
603349bf JM |
3995 | return true; |
3996 | ||
97aa8bb6 MLI |
3997 | case OPT_fdiagnostics_color_: |
3998 | diagnostic_color_init (dc, value); | |
3999 | break; | |
4000 | ||
603349bf JM |
4001 | case OPT_Wa_: |
4002 | { | |
4003 | int prev, j; | |
4004 | /* Pass the rest of this option to the assembler. */ | |
4005 | ||
4006 | /* Split the argument at commas. */ | |
4007 | prev = 0; | |
4008 | for (j = 0; arg[j]; j++) | |
4009 | if (arg[j] == ',') | |
4010 | { | |
4011 | add_assembler_option (arg + prev, j - prev); | |
4012 | prev = j + 1; | |
4013 | } | |
4014 | ||
4015 | /* Record the part after the last comma. */ | |
4016 | add_assembler_option (arg + prev, j - prev); | |
4017 | } | |
4018 | do_save = false; | |
4019 | break; | |
4020 | ||
4021 | case OPT_Wp_: | |
4022 | { | |
4023 | int prev, j; | |
4024 | /* Pass the rest of this option to the preprocessor. */ | |
4025 | ||
4026 | /* Split the argument at commas. */ | |
4027 | prev = 0; | |
4028 | for (j = 0; arg[j]; j++) | |
4029 | if (arg[j] == ',') | |
4030 | { | |
4031 | add_preprocessor_option (arg + prev, j - prev); | |
4032 | prev = j + 1; | |
4033 | } | |
4034 | ||
4035 | /* Record the part after the last comma. */ | |
4036 | add_preprocessor_option (arg + prev, j - prev); | |
4037 | } | |
4038 | do_save = false; | |
4039 | break; | |
4040 | ||
4041 | case OPT_Wl_: | |
4042 | { | |
4043 | int prev, j; | |
4044 | /* Split the argument at commas. */ | |
4045 | prev = 0; | |
4046 | for (j = 0; arg[j]; j++) | |
4047 | if (arg[j] == ',') | |
4048 | { | |
4049 | add_infile (save_string (arg + prev, j - prev), "*"); | |
4050 | prev = j + 1; | |
4051 | } | |
4052 | /* Record the part after the last comma. */ | |
4053 | add_infile (arg + prev, "*"); | |
4054 | } | |
4055 | do_save = false; | |
4056 | break; | |
4057 | ||
4058 | case OPT_Xlinker: | |
4059 | add_infile (arg, "*"); | |
4060 | do_save = false; | |
4061 | break; | |
4062 | ||
4063 | case OPT_Xpreprocessor: | |
4064 | add_preprocessor_option (arg, strlen (arg)); | |
4065 | do_save = false; | |
4066 | break; | |
4067 | ||
4068 | case OPT_Xassembler: | |
4069 | add_assembler_option (arg, strlen (arg)); | |
4070 | do_save = false; | |
4071 | break; | |
4072 | ||
4073 | case OPT_l: | |
4074 | /* POSIX allows separation of -l and the lib arg; canonicalize | |
4075 | by concatenating -l with its arg */ | |
4076 | add_infile (concat ("-l", arg, NULL), "*"); | |
4077 | do_save = false; | |
4078 | break; | |
4079 | ||
5de8299c JM |
4080 | case OPT_L: |
4081 | /* Similarly, canonicalize -L for linkers that may not accept | |
4082 | separate arguments. */ | |
d168aaee | 4083 | save_switch (concat ("-L", arg, NULL), 0, NULL, validated, true); |
5de8299c JM |
4084 | return true; |
4085 | ||
a350a6c8 IS |
4086 | case OPT_F: |
4087 | /* Likewise -F. */ | |
d168aaee | 4088 | save_switch (concat ("-F", arg, NULL), 0, NULL, validated, true); |
a350a6c8 IS |
4089 | return true; |
4090 | ||
603349bf JM |
4091 | case OPT_save_temps: |
4092 | save_temps_flag = SAVE_TEMPS_CWD; | |
4093 | validated = true; | |
4094 | break; | |
4095 | ||
4096 | case OPT_save_temps_: | |
4097 | if (strcmp (arg, "cwd") == 0) | |
4098 | save_temps_flag = SAVE_TEMPS_CWD; | |
4099 | else if (strcmp (arg, "obj") == 0 | |
4100 | || strcmp (arg, "object") == 0) | |
4101 | save_temps_flag = SAVE_TEMPS_OBJ; | |
4102 | else | |
40fecdd6 | 4103 | fatal_error (input_location, "%qs is an unknown -save-temps option", |
603349bf JM |
4104 | decoded->orig_option_with_args_text); |
4105 | break; | |
4106 | ||
4107 | case OPT_no_canonical_prefixes: | |
4108 | /* Already handled as a special case, so ignored here. */ | |
4109 | do_save = false; | |
4110 | break; | |
4111 | ||
4112 | case OPT_pipe: | |
4113 | validated = true; | |
603349bf JM |
4114 | /* These options set the variables specified in common.opt |
4115 | automatically, but do need to be saved for spec | |
4116 | processing. */ | |
4117 | break; | |
4118 | ||
603349bf JM |
4119 | case OPT_specs_: |
4120 | { | |
4121 | struct user_specs *user = XNEW (struct user_specs); | |
4122 | ||
4123 | user->next = (struct user_specs *) 0; | |
4124 | user->filename = arg; | |
4125 | if (user_specs_tail) | |
4126 | user_specs_tail->next = user; | |
4127 | else | |
4128 | user_specs_head = user; | |
4129 | user_specs_tail = user; | |
4130 | } | |
d168aaee | 4131 | validated = true; |
603349bf JM |
4132 | break; |
4133 | ||
4134 | case OPT__sysroot_: | |
4135 | target_system_root = arg; | |
4136 | target_system_root_changed = 1; | |
4137 | do_save = false; | |
4138 | break; | |
4139 | ||
4140 | case OPT_time_: | |
4141 | if (report_times_to_file) | |
4142 | fclose (report_times_to_file); | |
4143 | report_times_to_file = fopen (arg, "a"); | |
4144 | do_save = false; | |
4145 | break; | |
4146 | ||
4147 | case OPT____: | |
4148 | /* "-###" | |
4149 | This is similar to -v except that there is no execution | |
4150 | of the commands and the echoed arguments are quoted. It | |
4151 | is intended for use in shell scripts to capture the | |
4152 | driver-generated command line. */ | |
4153 | verbose_only_flag++; | |
d5478783 | 4154 | verbose_flag = 1; |
603349bf JM |
4155 | do_save = false; |
4156 | break; | |
4157 | ||
4158 | case OPT_B: | |
4159 | { | |
4160 | size_t len = strlen (arg); | |
4161 | ||
4162 | /* Catch the case where the user has forgotten to append a | |
4163 | directory separator to the path. Note, they may be using | |
4164 | -B to add an executable name prefix, eg "i386-elf-", in | |
4165 | order to distinguish between multiple installations of | |
4166 | GCC in the same directory. Hence we must check to see | |
4167 | if appending a directory separator actually makes a | |
4168 | valid directory name. */ | |
4169 | if (!IS_DIR_SEPARATOR (arg[len - 1]) | |
4170 | && is_directory (arg, false)) | |
4171 | { | |
4172 | char *tmp = XNEWVEC (char, len + 2); | |
4173 | strcpy (tmp, arg); | |
4174 | tmp[len] = DIR_SEPARATOR; | |
4175 | tmp[++len] = 0; | |
4176 | arg = tmp; | |
4177 | } | |
4178 | ||
4179 | add_prefix (&exec_prefixes, arg, NULL, | |
4180 | PREFIX_PRIORITY_B_OPT, 0, 0); | |
4181 | add_prefix (&startfile_prefixes, arg, NULL, | |
4182 | PREFIX_PRIORITY_B_OPT, 0, 0); | |
4183 | add_prefix (&include_prefixes, arg, NULL, | |
4184 | PREFIX_PRIORITY_B_OPT, 0, 0); | |
4185 | } | |
4186 | validated = true; | |
4187 | break; | |
4188 | ||
7e8400e2 ML |
4189 | case OPT_E: |
4190 | have_E = true; | |
4191 | break; | |
4192 | ||
603349bf JM |
4193 | case OPT_x: |
4194 | spec_lang = arg; | |
4195 | if (!strcmp (spec_lang, "none")) | |
4196 | /* Suppress the warning if -xnone comes after the last input | |
4197 | file, because alternate command interfaces like g++ might | |
4198 | find it useful to place -xnone after each input file. */ | |
4199 | spec_lang = 0; | |
4200 | else | |
4201 | last_language_n_infiles = n_infiles; | |
4202 | do_save = false; | |
4203 | break; | |
4204 | ||
603349bf JM |
4205 | case OPT_o: |
4206 | have_o = 1; | |
4207 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) || defined(HAVE_TARGET_OBJECT_SUFFIX) | |
4208 | arg = convert_filename (arg, ! have_c, 0); | |
4209 | #endif | |
3d00119c | 4210 | output_file = arg; |
603349bf JM |
4211 | /* Save the output name in case -save-temps=obj was used. */ |
4212 | save_temps_prefix = xstrdup (arg); | |
4213 | /* On some systems, ld cannot handle "-o" without a space. So | |
4214 | split the option from its argument. */ | |
d168aaee | 4215 | save_switch ("-o", 1, &arg, validated, true); |
603349bf JM |
4216 | return true; |
4217 | ||
4115076d L |
4218 | #ifdef ENABLE_DEFAULT_PIE |
4219 | case OPT_pie: | |
4220 | /* -pie is turned on by default. */ | |
4221 | #endif | |
4222 | ||
603349bf JM |
4223 | case OPT_static_libgcc: |
4224 | case OPT_shared_libgcc: | |
4225 | case OPT_static_libgfortran: | |
4226 | case OPT_static_libstdc__: | |
4227 | /* These are always valid, since gcc.c itself understands the | |
4228 | first two, gfortranspec.c understands -static-libgfortran and | |
4229 | g++spec.c understands -static-libstdc++ */ | |
4230 | validated = true; | |
4231 | break; | |
4232 | ||
f300e7b8 JH |
4233 | case OPT_fwpa: |
4234 | flag_wpa = ""; | |
4235 | break; | |
4236 | ||
c713ddc0 BS |
4237 | case OPT_foffload_: |
4238 | handle_foffload_option (arg); | |
4239 | break; | |
4240 | ||
603349bf | 4241 | default: |
d9d16a19 JM |
4242 | /* Various driver options need no special processing at this |
4243 | point, having been handled in a prescan above or being | |
4244 | handled by specs. */ | |
4245 | break; | |
603349bf JM |
4246 | } |
4247 | ||
4248 | if (do_save) | |
4249 | save_switch (decoded->canonical_option[0], | |
4250 | decoded->canonical_option_num_elements - 1, | |
d168aaee | 4251 | &decoded->canonical_option[1], validated, true); |
603349bf JM |
4252 | return true; |
4253 | } | |
4254 | ||
efe5e5a0 JM |
4255 | /* Put the driver's standard set of option handlers in *HANDLERS. */ |
4256 | ||
4257 | static void | |
4258 | set_option_handlers (struct cl_option_handlers *handlers) | |
4259 | { | |
4260 | handlers->unknown_option_callback = driver_unknown_option_callback; | |
4261 | handlers->wrong_lang_callback = driver_wrong_lang_callback; | |
a7d0d30f | 4262 | handlers->num_handlers = 3; |
efe5e5a0 JM |
4263 | handlers->handlers[0].handler = driver_handle_option; |
4264 | handlers->handlers[0].mask = CL_DRIVER; | |
a7d0d30f JM |
4265 | handlers->handlers[1].handler = common_handle_option; |
4266 | handlers->handlers[1].mask = CL_COMMON; | |
4267 | handlers->handlers[2].handler = target_handle_option; | |
4268 | handlers->handlers[2].mask = CL_TARGET; | |
efe5e5a0 JM |
4269 | } |
4270 | ||
ed1f651b RS |
4271 | /* Create the vector `switches' and its contents. |
4272 | Store its length in `n_switches'. */ | |
4273 | ||
4274 | static void | |
60cf253a JM |
4275 | process_command (unsigned int decoded_options_count, |
4276 | struct cl_decoded_option *decoded_options) | |
ed1f651b | 4277 | { |
878f32c3 KG |
4278 | const char *temp; |
4279 | char *temp1; | |
fc429b48 | 4280 | char *tooldir_prefix, *tooldir_prefix2; |
ba0c638e SB |
4281 | char *(*get_relative_prefix) (const char *, const char *, |
4282 | const char *) = NULL; | |
603349bf | 4283 | struct cl_option_handlers handlers; |
60cf253a | 4284 | unsigned int j; |
ed1f651b | 4285 | |
9376dd63 | 4286 | gcc_exec_prefix = env.get ("GCC_EXEC_PREFIX"); |
8eebb258 | 4287 | |
ed1f651b RS |
4288 | n_switches = 0; |
4289 | n_infiles = 0; | |
a2a05b0a | 4290 | added_libraries = 0; |
2484b6d2 | 4291 | |
53117a2f RK |
4292 | /* Figure compiler version from version string. */ |
4293 | ||
9218435e | 4294 | compiler_version = temp1 = xstrdup (version_string); |
ad85216e | 4295 | |
878f32c3 | 4296 | for (; *temp1; ++temp1) |
53117a2f | 4297 | { |
878f32c3 | 4298 | if (*temp1 == ' ') |
53117a2f | 4299 | { |
878f32c3 | 4300 | *temp1 = '\0'; |
53117a2f RK |
4301 | break; |
4302 | } | |
4303 | } | |
ed1f651b | 4304 | |
ba0c638e SB |
4305 | /* Handle any -no-canonical-prefixes flag early, to assign the function |
4306 | that builds relative prefixes. This function creates default search | |
4307 | paths that are needed later in normal option handling. */ | |
4308 | ||
e200444e | 4309 | for (j = 1; j < decoded_options_count; j++) |
ba0c638e | 4310 | { |
e200444e | 4311 | if (decoded_options[j].opt_index == OPT_no_canonical_prefixes) |
ba0c638e SB |
4312 | { |
4313 | get_relative_prefix = make_relative_prefix_ignore_links; | |
4314 | break; | |
4315 | } | |
4316 | } | |
4317 | if (! get_relative_prefix) | |
4318 | get_relative_prefix = make_relative_prefix; | |
4319 | ||
0deb20df | 4320 | /* Set up the default search paths. If there is no GCC_EXEC_PREFIX, |
60cf253a JM |
4321 | see if we can create it from the pathname specified in |
4322 | decoded_options[0].arg. */ | |
0deb20df | 4323 | |
a8ee6e2d | 4324 | gcc_libexec_prefix = standard_libexec_prefix; |
0deb20df TT |
4325 | #ifndef VMS |
4326 | /* FIXME: make_relative_prefix doesn't yet work for VMS. */ | |
4327 | if (!gcc_exec_prefix) | |
4328 | { | |
60cf253a | 4329 | gcc_exec_prefix = get_relative_prefix (decoded_options[0].arg, |
ba0c638e SB |
4330 | standard_bindir_prefix, |
4331 | standard_exec_prefix); | |
60cf253a | 4332 | gcc_libexec_prefix = get_relative_prefix (decoded_options[0].arg, |
ba0c638e SB |
4333 | standard_bindir_prefix, |
4334 | standard_libexec_prefix); | |
0deb20df | 4335 | if (gcc_exec_prefix) |
47d33318 | 4336 | xputenv (concat ("GCC_EXEC_PREFIX=", gcc_exec_prefix, NULL)); |
0deb20df | 4337 | } |
a8ee6e2d | 4338 | else |
c7370b83 JM |
4339 | { |
4340 | /* make_relative_prefix requires a program name, but | |
4341 | GCC_EXEC_PREFIX is typically a directory name with a trailing | |
4342 | / (which is ignored by make_relative_prefix), so append a | |
4343 | program name. */ | |
4344 | char *tmp_prefix = concat (gcc_exec_prefix, "gcc", NULL); | |
ba0c638e SB |
4345 | gcc_libexec_prefix = get_relative_prefix (tmp_prefix, |
4346 | standard_exec_prefix, | |
4347 | standard_libexec_prefix); | |
f4c0a303 CD |
4348 | |
4349 | /* The path is unrelocated, so fallback to the original setting. */ | |
4350 | if (!gcc_libexec_prefix) | |
4351 | gcc_libexec_prefix = standard_libexec_prefix; | |
4352 | ||
c7370b83 JM |
4353 | free (tmp_prefix); |
4354 | } | |
a8ee6e2d | 4355 | #else |
0deb20df | 4356 | #endif |
f4c0a303 CD |
4357 | /* From this point onward, gcc_exec_prefix is non-null if the toolchain |
4358 | is relocated. The toolchain was either relocated using GCC_EXEC_PREFIX | |
60cf253a JM |
4359 | or an automatically created GCC_EXEC_PREFIX from |
4360 | decoded_options[0].arg. */ | |
ed1f651b | 4361 | |
a288b143 | 4362 | /* Do language-specific adjustment/addition of flags. */ |
d9d16a19 | 4363 | lang_specific_driver (&decoded_options, &decoded_options_count, |
a288b143 AH |
4364 | &added_libraries); |
4365 | ||
8eebb258 | 4366 | if (gcc_exec_prefix) |
ed1f651b | 4367 | { |
6ed4bb9a | 4368 | int len = strlen (gcc_exec_prefix); |
c5c0b3d9 | 4369 | |
a8ee6e2d | 4370 | if (len > (int) sizeof ("/lib/gcc/") - 1 |
509781a4 | 4371 | && (IS_DIR_SEPARATOR (gcc_exec_prefix[len-1]))) |
6ed4bb9a | 4372 | { |
a8ee6e2d | 4373 | temp = gcc_exec_prefix + len - sizeof ("/lib/gcc/") + 1; |
509781a4 | 4374 | if (IS_DIR_SEPARATOR (*temp) |
ba78087b | 4375 | && filename_ncmp (temp + 1, "lib", 3) == 0 |
509781a4 | 4376 | && IS_DIR_SEPARATOR (temp[4]) |
ba78087b | 4377 | && filename_ncmp (temp + 5, "gcc", 3) == 0) |
a8ee6e2d | 4378 | len -= sizeof ("/lib/gcc/") - 1; |
6ed4bb9a MM |
4379 | } |
4380 | ||
4381 | set_std_prefix (gcc_exec_prefix, len); | |
a8ee6e2d | 4382 | add_prefix (&exec_prefixes, gcc_libexec_prefix, "GCC", |
1a5d37a1 | 4383 | PREFIX_PRIORITY_LAST, 0, 0); |
922a4beb | 4384 | add_prefix (&startfile_prefixes, gcc_exec_prefix, "GCC", |
1a5d37a1 | 4385 | PREFIX_PRIORITY_LAST, 0, 0); |
ed1f651b RS |
4386 | } |
4387 | ||
4388 | /* COMPILER_PATH and LIBRARY_PATH have values | |
4389 | that are lists of directory names with colons. */ | |
4390 | ||
9376dd63 | 4391 | temp = env.get ("COMPILER_PATH"); |
ed1f651b RS |
4392 | if (temp) |
4393 | { | |
878f32c3 | 4394 | const char *startp, *endp; |
e1e4cdc4 | 4395 | char *nstore = (char *) alloca (strlen (temp) + 3); |
ed1f651b RS |
4396 | |
4397 | startp = endp = temp; | |
4398 | while (1) | |
4399 | { | |
f6ec7e54 | 4400 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b | 4401 | { |
d25a45d4 | 4402 | strncpy (nstore, startp, endp - startp); |
ed1f651b | 4403 | if (endp == startp) |
d4f2852f | 4404 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
509781a4 | 4405 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
ed1f651b | 4406 | { |
d25a45d4 KH |
4407 | nstore[endp - startp] = DIR_SEPARATOR; |
4408 | nstore[endp - startp + 1] = 0; | |
ed1f651b RS |
4409 | } |
4410 | else | |
d25a45d4 | 4411 | nstore[endp - startp] = 0; |
922a4beb | 4412 | add_prefix (&exec_prefixes, nstore, 0, |
1a5d37a1 | 4413 | PREFIX_PRIORITY_LAST, 0, 0); |
76391e5a | 4414 | add_prefix (&include_prefixes, nstore, 0, |
1a5d37a1 | 4415 | PREFIX_PRIORITY_LAST, 0, 0); |
ed1f651b RS |
4416 | if (*endp == 0) |
4417 | break; | |
4418 | endp = startp = endp + 1; | |
4419 | } | |
4420 | else | |
4421 | endp++; | |
4422 | } | |
4423 | } | |
4424 | ||
9376dd63 | 4425 | temp = env.get (LIBRARY_PATH_ENV); |
fcc9ad83 | 4426 | if (temp && *cross_compile == '0') |
ed1f651b | 4427 | { |
878f32c3 | 4428 | const char *startp, *endp; |
e1e4cdc4 | 4429 | char *nstore = (char *) alloca (strlen (temp) + 3); |
ed1f651b RS |
4430 | |
4431 | startp = endp = temp; | |
4432 | while (1) | |
4433 | { | |
f6ec7e54 | 4434 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b | 4435 | { |
d25a45d4 | 4436 | strncpy (nstore, startp, endp - startp); |
ed1f651b | 4437 | if (endp == startp) |
d4f2852f | 4438 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
509781a4 | 4439 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
ed1f651b | 4440 | { |
d25a45d4 KH |
4441 | nstore[endp - startp] = DIR_SEPARATOR; |
4442 | nstore[endp - startp + 1] = 0; | |
ed1f651b RS |
4443 | } |
4444 | else | |
d25a45d4 | 4445 | nstore[endp - startp] = 0; |
6496a589 | 4446 | add_prefix (&startfile_prefixes, nstore, NULL, |
1a5d37a1 | 4447 | PREFIX_PRIORITY_LAST, 0, 1); |
ed1f651b RS |
4448 | if (*endp == 0) |
4449 | break; | |
4450 | endp = startp = endp + 1; | |
4451 | } | |
4452 | else | |
4453 | endp++; | |
4454 | } | |
4455 | } | |
4456 | ||
4457 | /* Use LPATH like LIBRARY_PATH (for the CMU build program). */ | |
9376dd63 | 4458 | temp = env.get ("LPATH"); |
fcc9ad83 | 4459 | if (temp && *cross_compile == '0') |
ed1f651b | 4460 | { |
878f32c3 | 4461 | const char *startp, *endp; |
e1e4cdc4 | 4462 | char *nstore = (char *) alloca (strlen (temp) + 3); |
ed1f651b RS |
4463 | |
4464 | startp = endp = temp; | |
4465 | while (1) | |
4466 | { | |
f6ec7e54 | 4467 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b | 4468 | { |
d25a45d4 | 4469 | strncpy (nstore, startp, endp - startp); |
ed1f651b | 4470 | if (endp == startp) |
d4f2852f | 4471 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
509781a4 | 4472 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
ed1f651b | 4473 | { |
d25a45d4 KH |
4474 | nstore[endp - startp] = DIR_SEPARATOR; |
4475 | nstore[endp - startp + 1] = 0; | |
ed1f651b RS |
4476 | } |
4477 | else | |
d25a45d4 | 4478 | nstore[endp - startp] = 0; |
6496a589 | 4479 | add_prefix (&startfile_prefixes, nstore, NULL, |
1a5d37a1 | 4480 | PREFIX_PRIORITY_LAST, 0, 1); |
ed1f651b RS |
4481 | if (*endp == 0) |
4482 | break; | |
4483 | endp = startp = endp + 1; | |
4484 | } | |
4485 | else | |
4486 | endp++; | |
4487 | } | |
4488 | } | |
4489 | ||
922e1882 JM |
4490 | /* Process the options and store input files and switches in their |
4491 | vectors. */ | |
4492 | ||
4493 | last_language_n_infiles = -1; | |
ed1f651b | 4494 | |
efe5e5a0 | 4495 | set_option_handlers (&handlers); |
fe7df9c4 | 4496 | |
603349bf JM |
4497 | for (j = 1; j < decoded_options_count; j++) |
4498 | { | |
4499 | switch (decoded_options[j].opt_index) | |
99f78cdd | 4500 | { |
603349bf JM |
4501 | case OPT_S: |
4502 | case OPT_c: | |
4503 | case OPT_E: | |
4504 | have_c = 1; | |
4505 | break; | |
99f78cdd | 4506 | } |
603349bf JM |
4507 | if (have_c) |
4508 | break; | |
4509 | } | |
ed1f651b | 4510 | |
603349bf JM |
4511 | for (j = 1; j < decoded_options_count; j++) |
4512 | { | |
4513 | if (decoded_options[j].opt_index == OPT_SPECIAL_input_file) | |
3a265431 | 4514 | { |
603349bf JM |
4515 | const char *arg = decoded_options[j].arg; |
4516 | const char *p = strrchr (arg, '@'); | |
922e1882 JM |
4517 | char *fname; |
4518 | long offset; | |
4519 | int consumed; | |
4520 | #ifdef HAVE_TARGET_OBJECT_SUFFIX | |
603349bf | 4521 | arg = convert_filename (arg, 0, access (arg, F_OK)); |
922e1882 JM |
4522 | #endif |
4523 | /* For LTO static archive support we handle input file | |
4524 | specifications that are composed of a filename and | |
4525 | an offset like FNAME@OFFSET. */ | |
4526 | if (p | |
603349bf | 4527 | && p != arg |
922e1882 JM |
4528 | && sscanf (p, "@%li%n", &offset, &consumed) >= 1 |
4529 | && strlen (p) == (unsigned int)consumed) | |
4530 | { | |
603349bf JM |
4531 | fname = (char *)xmalloc (p - arg + 1); |
4532 | memcpy (fname, arg, p - arg); | |
4533 | fname[p - arg] = '\0'; | |
922e1882 JM |
4534 | /* Only accept non-stdin and existing FNAME parts, otherwise |
4535 | try with the full name. */ | |
4536 | if (strcmp (fname, "-") == 0 || access (fname, F_OK) < 0) | |
4537 | { | |
4538 | free (fname); | |
603349bf | 4539 | fname = xstrdup (arg); |
922e1882 JM |
4540 | } |
4541 | } | |
4542 | else | |
603349bf | 4543 | fname = xstrdup (arg); |
d168aaee | 4544 | |
922e1882 | 4545 | if (strcmp (fname, "-") != 0 && access (fname, F_OK) < 0) |
b2861325 PG |
4546 | { |
4547 | if (fname[0] == '@' && access (fname + 1, F_OK) < 0) | |
4548 | perror_with_name (fname + 1); | |
4549 | else | |
4550 | perror_with_name (fname); | |
4551 | } | |
922e1882 | 4552 | else |
603349bf | 4553 | add_infile (arg, spec_lang); |
922e1882 JM |
4554 | |
4555 | free (fname); | |
603349bf | 4556 | continue; |
3a265431 | 4557 | } |
603349bf | 4558 | |
d4d24ba4 | 4559 | read_cmdline_option (&global_options, &global_options_set, |
a4d8c676 JM |
4560 | decoded_options + j, UNKNOWN_LOCATION, |
4561 | CL_DRIVER, &handlers, global_dc); | |
ed1f651b RS |
4562 | } |
4563 | ||
64186aad TS |
4564 | /* If the user didn't specify any, default to all configured offload |
4565 | targets. */ | |
1d899da2 | 4566 | if (ENABLE_OFFLOADING && offload_targets == NULL) |
64186aad | 4567 | handle_foffload_option (OFFLOAD_TARGETS); |
64186aad | 4568 | |
92c66d83 MLI |
4569 | if (output_file |
4570 | && strcmp (output_file, "-") != 0 | |
4571 | && strcmp (output_file, HOST_BIT_BUCKET) != 0) | |
3d00119c AB |
4572 | { |
4573 | int i; | |
4574 | for (i = 0; i < n_infiles; i++) | |
4575 | if ((!infiles[i].language || infiles[i].language[0] != '*') | |
4576 | && canonical_filename_eq (infiles[i].name, output_file)) | |
40fecdd6 JM |
4577 | fatal_error (input_location, |
4578 | "input file %qs is the same as output file", | |
3d00119c AB |
4579 | output_file); |
4580 | } | |
4581 | ||
51160482 ML |
4582 | if (output_file != NULL && output_file[0] == '\0') |
4583 | fatal_error (input_location, "output filename may not be empty"); | |
4584 | ||
14fdc613 MM |
4585 | /* If -save-temps=obj and -o name, create the prefix to use for %b. |
4586 | Otherwise just make -save-temps=obj the same as -save-temps=cwd. */ | |
4587 | if (save_temps_flag == SAVE_TEMPS_OBJ && save_temps_prefix != NULL) | |
4588 | { | |
4589 | save_temps_length = strlen (save_temps_prefix); | |
4590 | temp = strrchr (lbasename (save_temps_prefix), '.'); | |
4591 | if (temp) | |
4592 | { | |
4593 | save_temps_length -= strlen (temp); | |
4594 | save_temps_prefix[save_temps_length] = '\0'; | |
4595 | } | |
4596 | ||
4597 | } | |
4598 | else if (save_temps_prefix != NULL) | |
4599 | { | |
4600 | free (save_temps_prefix); | |
4601 | save_temps_prefix = NULL; | |
4602 | } | |
4603 | ||
054e88a8 | 4604 | if (save_temps_flag && use_pipes) |
4977bab6 ZW |
4605 | { |
4606 | /* -save-temps overrides -pipe, so that temp files are produced */ | |
4607 | if (save_temps_flag) | |
2dec80c7 | 4608 | warning (0, "-pipe ignored because -save-temps specified"); |
4977bab6 ZW |
4609 | use_pipes = 0; |
4610 | } | |
1d088dee | 4611 | |
2153915d AO |
4612 | if (!compare_debug) |
4613 | { | |
9376dd63 | 4614 | const char *gcd = env.get ("GCC_COMPARE_DEBUG"); |
2153915d AO |
4615 | |
4616 | if (gcd && gcd[0] == '-') | |
4617 | { | |
4618 | compare_debug = 2; | |
4619 | compare_debug_opt = gcd; | |
2153915d AO |
4620 | } |
4621 | else if (gcd && *gcd && strcmp (gcd, "0")) | |
4622 | { | |
4623 | compare_debug = 3; | |
4624 | compare_debug_opt = "-gtoggle"; | |
2153915d AO |
4625 | } |
4626 | } | |
4627 | else if (compare_debug < 0) | |
4628 | { | |
4629 | compare_debug = 0; | |
4630 | gcc_assert (!compare_debug_opt); | |
4631 | } | |
4632 | ||
f4c0a303 CD |
4633 | /* Set up the search paths. We add directories that we expect to |
4634 | contain GNU Toolchain components before directories specified by | |
4635 | the machine description so that we will find GNU components (like | |
b8698a0f | 4636 | the GNU assembler) before those of the host system. */ |
ed1f651b | 4637 | |
f4c0a303 CD |
4638 | /* If we don't know where the toolchain has been installed, use the |
4639 | configured-in locations. */ | |
4640 | if (!gcc_exec_prefix) | |
4641 | { | |
48ff801b | 4642 | #ifndef OS2 |
f4c0a303 CD |
4643 | add_prefix (&exec_prefixes, standard_libexec_prefix, "GCC", |
4644 | PREFIX_PRIORITY_LAST, 1, 0); | |
4645 | add_prefix (&exec_prefixes, standard_libexec_prefix, "BINUTILS", | |
4646 | PREFIX_PRIORITY_LAST, 2, 0); | |
4647 | add_prefix (&exec_prefixes, standard_exec_prefix, "BINUTILS", | |
4648 | PREFIX_PRIORITY_LAST, 2, 0); | |
48ff801b | 4649 | #endif |
f4c0a303 CD |
4650 | add_prefix (&startfile_prefixes, standard_exec_prefix, "BINUTILS", |
4651 | PREFIX_PRIORITY_LAST, 1, 0); | |
4652 | } | |
ed1f651b | 4653 | |
f4c0a303 | 4654 | gcc_assert (!IS_ABSOLUTE_PATH (tooldir_base_prefix)); |
89f54035 | 4655 | tooldir_prefix2 = concat (tooldir_base_prefix, spec_machine, |
fc429b48 | 4656 | dir_separator_str, NULL); |
c648ab8a | 4657 | |
f4c0a303 CD |
4658 | /* Look for tools relative to the location from which the driver is |
4659 | running, or, if that is not available, the configured prefix. */ | |
4660 | tooldir_prefix | |
4661 | = concat (gcc_exec_prefix ? gcc_exec_prefix : standard_exec_prefix, | |
fc8b3540 IV |
4662 | spec_host_machine, dir_separator_str, spec_version, |
4663 | accel_dir_suffix, dir_separator_str, tooldir_prefix2, NULL); | |
fc429b48 | 4664 | free (tooldir_prefix2); |
c648ab8a | 4665 | |
9218435e | 4666 | add_prefix (&exec_prefixes, |
d4f2852f | 4667 | concat (tooldir_prefix, "bin", dir_separator_str, NULL), |
1a5d37a1 | 4668 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, 0); |
48ff801b | 4669 | add_prefix (&startfile_prefixes, |
d4f2852f | 4670 | concat (tooldir_prefix, "lib", dir_separator_str, NULL), |
1a5d37a1 | 4671 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, 1); |
fc429b48 | 4672 | free (tooldir_prefix); |
f18fd956 | 4673 | |
047d636f DJ |
4674 | #if defined(TARGET_SYSTEM_ROOT_RELOCATABLE) && !defined(VMS) |
4675 | /* If the normal TARGET_SYSTEM_ROOT is inside of $exec_prefix, | |
4676 | then consider it to relocate with the rest of the GCC installation | |
4677 | if GCC_EXEC_PREFIX is set. | |
4678 | ``make_relative_prefix'' is not compiled for VMS, so don't call it. */ | |
922e1882 | 4679 | if (target_system_root && !target_system_root_changed && gcc_exec_prefix) |
4977bab6 | 4680 | { |
60cf253a | 4681 | char *tmp_prefix = get_relative_prefix (decoded_options[0].arg, |
ba0c638e SB |
4682 | standard_bindir_prefix, |
4683 | target_system_root); | |
4977bab6 | 4684 | if (tmp_prefix && access_check (tmp_prefix, F_OK) == 0) |
047d636f DJ |
4685 | { |
4686 | target_system_root = tmp_prefix; | |
4687 | target_system_root_changed = 1; | |
4688 | } | |
4977bab6 | 4689 | } |
047d636f | 4690 | #endif |
4977bab6 | 4691 | |
004fd4d5 RS |
4692 | /* More prefixes are enabled in main, after we read the specs file |
4693 | and determine whether this is cross-compilation or not. */ | |
ed1f651b | 4694 | |
fa0d5369 | 4695 | if (n_infiles == last_language_n_infiles && spec_lang != 0) |
bdc6b402 | 4696 | warning (0, "%<-x %s%> after last input file has no effect", spec_lang); |
ed1f651b | 4697 | |
3ad2d621 DG |
4698 | /* Synthesize -fcompare-debug flag from the GCC_COMPARE_DEBUG |
4699 | environment variable. */ | |
2153915d AO |
4700 | if (compare_debug == 2 || compare_debug == 3) |
4701 | { | |
3ad2d621 DG |
4702 | const char *opt = concat ("-fcompare-debug=", compare_debug_opt, NULL); |
4703 | save_switch (opt, 0, NULL, false, true); | |
2153915d AO |
4704 | compare_debug = 1; |
4705 | } | |
4706 | ||
69927b59 | 4707 | /* Ensure we only invoke each subprocess once. */ |
41fd0f9b | 4708 | if (print_subprocess_help || print_help_list || print_version) |
69927b59 | 4709 | { |
922e1882 | 4710 | n_infiles = 0; |
69927b59 | 4711 | |
c662432e NC |
4712 | /* Create a dummy input file, so that we can pass |
4713 | the help option on to the various sub-processes. */ | |
922e1882 | 4714 | add_infile ("help-dummy", "c"); |
69927b59 NB |
4715 | } |
4716 | ||
ba85c5fd OH |
4717 | /* Decide if undefined variable references are allowed in specs. */ |
4718 | ||
3ed93fc8 OH |
4719 | /* -v alone is safe. --version and --help alone or together are safe. Note |
4720 | that -v would make them unsafe, as they'd then be run for subprocesses as | |
4721 | well, the location of which might depend on variables possibly coming | |
4722 | from self-specs. Note also that the command name is counted in | |
4723 | decoded_options_count. */ | |
ba85c5fd | 4724 | |
3ed93fc8 | 4725 | unsigned help_version_count = 0; |
ba85c5fd OH |
4726 | |
4727 | if (print_version) | |
3ed93fc8 OH |
4728 | help_version_count++; |
4729 | ||
ba85c5fd | 4730 | if (print_help_list) |
3ed93fc8 OH |
4731 | help_version_count++; |
4732 | ||
4733 | spec_undefvar_allowed = | |
4734 | ((verbose_flag && decoded_options_count == 2) | |
4735 | || help_version_count == decoded_options_count - 1); | |
ba85c5fd | 4736 | |
922e1882 | 4737 | alloc_switch (); |
ed1f651b | 4738 | switches[n_switches].part1 = 0; |
922e1882 | 4739 | alloc_infile (); |
ed1f651b RS |
4740 | infiles[n_infiles].name = 0; |
4741 | } | |
b856c15d | 4742 | |
4977bab6 | 4743 | /* Store switches not filtered out by %<S in spec in COLLECT_GCC_OPTIONS |
b856c15d RO |
4744 | and place that in the environment. */ |
4745 | ||
4746 | static void | |
1d088dee | 4747 | set_collect_gcc_options (void) |
b856c15d RO |
4748 | { |
4749 | int i; | |
4750 | int first_time; | |
4751 | ||
4752 | /* Build COLLECT_GCC_OPTIONS to have all of the options specified to | |
4753 | the compiler. */ | |
4754 | obstack_grow (&collect_obstack, "COLLECT_GCC_OPTIONS=", | |
4755 | sizeof ("COLLECT_GCC_OPTIONS=") - 1); | |
4756 | ||
4757 | first_time = TRUE; | |
4758 | for (i = 0; (int) i < n_switches; i++) | |
4759 | { | |
4760 | const char *const *args; | |
4761 | const char *p, *q; | |
4762 | if (!first_time) | |
4763 | obstack_grow (&collect_obstack, " ", 1); | |
4764 | ||
4765 | first_time = FALSE; | |
4766 | ||
4767 | /* Ignore elided switches. */ | |
96f5b137 L |
4768 | if ((switches[i].live_cond |
4769 | & (SWITCH_IGNORE | SWITCH_KEEP_FOR_GCC)) | |
4770 | == SWITCH_IGNORE) | |
b856c15d RO |
4771 | continue; |
4772 | ||
4773 | obstack_grow (&collect_obstack, "'-", 2); | |
4774 | q = switches[i].part1; | |
4775 | while ((p = strchr (q, '\''))) | |
4776 | { | |
4777 | obstack_grow (&collect_obstack, q, p - q); | |
4778 | obstack_grow (&collect_obstack, "'\\''", 4); | |
4779 | q = ++p; | |
4780 | } | |
4781 | obstack_grow (&collect_obstack, q, strlen (q)); | |
4782 | obstack_grow (&collect_obstack, "'", 1); | |
4783 | ||
4784 | for (args = switches[i].args; args && *args; args++) | |
4785 | { | |
4786 | obstack_grow (&collect_obstack, " '", 2); | |
4787 | q = *args; | |
4788 | while ((p = strchr (q, '\''))) | |
4789 | { | |
4790 | obstack_grow (&collect_obstack, q, p - q); | |
4791 | obstack_grow (&collect_obstack, "'\\''", 4); | |
4792 | q = ++p; | |
4793 | } | |
4794 | obstack_grow (&collect_obstack, q, strlen (q)); | |
4795 | obstack_grow (&collect_obstack, "'", 1); | |
4796 | } | |
4797 | } | |
4798 | obstack_grow (&collect_obstack, "\0", 1); | |
47d33318 | 4799 | xputenv (XOBFINISH (&collect_obstack, char *)); |
b856c15d | 4800 | } |
ed1f651b RS |
4801 | \f |
4802 | /* Process a spec string, accumulating and running commands. */ | |
4803 | ||
4804 | /* These variables describe the input file name. | |
4805 | input_file_number is the index on outfiles of this file, | |
4806 | so that the output file name can be stored for later use by %o. | |
4807 | input_basename is the start of the part of the input file | |
4808 | sans all directory names, and basename_length is the number | |
4809 | of characters starting there excluding the suffix .c or whatever. */ | |
4810 | ||
6afbc885 | 4811 | static const char *gcc_input_filename; |
ed1f651b | 4812 | static int input_file_number; |
f271358e | 4813 | size_t input_filename_length; |
ed1f651b | 4814 | static int basename_length; |
ea414c97 | 4815 | static int suffixed_basename_length; |
878f32c3 KG |
4816 | static const char *input_basename; |
4817 | static const char *input_suffix; | |
a9024779 | 4818 | #ifndef HOST_LACKS_INODE_NUMBERS |
99f78cdd | 4819 | static struct stat input_stat; |
a9024779 | 4820 | #endif |
99f78cdd | 4821 | static int input_stat_set; |
ed1f651b | 4822 | |
a9374841 MM |
4823 | /* The compiler used to process the current input file. */ |
4824 | static struct compiler *input_file_compiler; | |
4825 | ||
ed1f651b RS |
4826 | /* These are variables used within do_spec and do_spec_1. */ |
4827 | ||
4828 | /* Nonzero if an arg has been started and not yet terminated | |
4829 | (with space, tab or newline). */ | |
4830 | static int arg_going; | |
4831 | ||
4832 | /* Nonzero means %d or %g has been seen; the next arg to be terminated | |
4833 | is a temporary file name. */ | |
4834 | static int delete_this_arg; | |
4835 | ||
4836 | /* Nonzero means %w has been seen; the next arg to be terminated | |
4837 | is the output file name of this compilation. */ | |
4838 | static int this_is_output_file; | |
4839 | ||
4840 | /* Nonzero means %s has been seen; the next arg to be terminated | |
4841 | is the name of a library file and we should try the standard | |
4842 | search dirs for it. */ | |
4843 | static int this_is_library_file; | |
4844 | ||
3beb864c NC |
4845 | /* Nonzero means %T has been seen; the next arg to be terminated |
4846 | is the name of a linker script and we should try all of the | |
4847 | standard search dirs for it. If it is found insert a --script | |
4848 | command line switch and then substitute the full path in place, | |
4849 | otherwise generate an error message. */ | |
4850 | static int this_is_linker_script; | |
4851 | ||
a99bf70c JW |
4852 | /* Nonzero means that the input of this command is coming from a pipe. */ |
4853 | static int input_from_pipe; | |
4854 | ||
11972f66 | 4855 | /* Nonnull means substitute this for any suffix when outputting a switches |
dc297297 | 4856 | arguments. */ |
11972f66 NS |
4857 | static const char *suffix_subst; |
4858 | ||
13e7cedb DH |
4859 | /* If there is an argument being accumulated, terminate it and store it. */ |
4860 | ||
4861 | static void | |
4862 | end_going_arg (void) | |
4863 | { | |
4864 | if (arg_going) | |
4865 | { | |
4866 | const char *string; | |
4867 | ||
4868 | obstack_1grow (&obstack, 0); | |
4869 | string = XOBFINISH (&obstack, const char *); | |
4870 | if (this_is_library_file) | |
4871 | string = find_file (string); | |
3beb864c NC |
4872 | if (this_is_linker_script) |
4873 | { | |
4874 | char * full_script_path = find_a_file (&startfile_prefixes, string, R_OK, true); | |
4875 | ||
4876 | if (full_script_path == NULL) | |
4877 | { | |
bdc6b402 | 4878 | error ("unable to locate default linker script %qs in the library search paths", string); |
3beb864c NC |
4879 | /* Script was not found on search path. */ |
4880 | return; | |
4881 | } | |
4882 | store_arg ("--script", false, false); | |
4883 | string = full_script_path; | |
4884 | } | |
13e7cedb DH |
4885 | store_arg (string, delete_this_arg, this_is_output_file); |
4886 | if (this_is_output_file) | |
4887 | outfiles[input_file_number] = string; | |
4888 | arg_going = 0; | |
4889 | } | |
4890 | } | |
4891 | ||
fe7df9c4 SP |
4892 | |
4893 | /* Parse the WRAPPER string which is a comma separated list of the command line | |
4894 | and insert them into the beginning of argbuf. */ | |
4895 | ||
4896 | static void | |
4897 | insert_wrapper (const char *wrapper) | |
4898 | { | |
4899 | int n = 0; | |
4900 | int i; | |
4901 | char *buf = xstrdup (wrapper); | |
4902 | char *p = buf; | |
9771b263 | 4903 | unsigned int old_length = argbuf.length (); |
fe7df9c4 SP |
4904 | |
4905 | do | |
4906 | { | |
4907 | n++; | |
4908 | while (*p == ',') | |
4909 | p++; | |
4910 | } | |
4911 | while ((p = strchr (p, ',')) != NULL); | |
4912 | ||
9771b263 DN |
4913 | argbuf.safe_grow (old_length + n); |
4914 | memmove (argbuf.address () + n, | |
4915 | argbuf.address (), | |
5b634ee0 | 4916 | old_length * sizeof (const_char_p)); |
fe7df9c4 SP |
4917 | |
4918 | i = 0; | |
4919 | p = buf; | |
4920 | do | |
4921 | { | |
4922 | while (*p == ',') | |
4923 | { | |
4924 | *p = 0; | |
4925 | p++; | |
4926 | } | |
9771b263 | 4927 | argbuf[i] = p; |
5b634ee0 | 4928 | i++; |
fe7df9c4 SP |
4929 | } |
4930 | while ((p = strchr (p, ',')) != NULL); | |
4931 | gcc_assert (i == n); | |
fe7df9c4 SP |
4932 | } |
4933 | ||
ed1f651b RS |
4934 | /* Process the spec SPEC and run the commands specified therein. |
4935 | Returns 0 if the spec is successfully processed; -1 if failed. */ | |
4936 | ||
f271358e | 4937 | int |
1d088dee | 4938 | do_spec (const char *spec) |
ed1f651b RS |
4939 | { |
4940 | int value; | |
4941 | ||
343f59d9 | 4942 | value = do_spec_2 (spec); |
ed1f651b RS |
4943 | |
4944 | /* Force out any unfinished command. | |
4945 | If -pipe, this forces out the last command if it ended in `|'. */ | |
4946 | if (value == 0) | |
4947 | { | |
9771b263 DN |
4948 | if (argbuf.length () > 0 |
4949 | && !strcmp (argbuf.last (), "|")) | |
4950 | argbuf.pop (); | |
ed1f651b | 4951 | |
b856c15d RO |
4952 | set_collect_gcc_options (); |
4953 | ||
9771b263 | 4954 | if (argbuf.length () > 0) |
ed1f651b RS |
4955 | value = execute (); |
4956 | } | |
4957 | ||
4958 | return value; | |
4959 | } | |
4960 | ||
343f59d9 | 4961 | static int |
1d088dee | 4962 | do_spec_2 (const char *spec) |
343f59d9 | 4963 | { |
6544fbcb RS |
4964 | int result; |
4965 | ||
343f59d9 AM |
4966 | clear_args (); |
4967 | arg_going = 0; | |
4968 | delete_this_arg = 0; | |
4969 | this_is_output_file = 0; | |
4970 | this_is_library_file = 0; | |
3beb864c | 4971 | this_is_linker_script = 0; |
343f59d9 AM |
4972 | input_from_pipe = 0; |
4973 | suffix_subst = NULL; | |
4974 | ||
6544fbcb RS |
4975 | result = do_spec_1 (spec, 0, NULL); |
4976 | ||
13e7cedb | 4977 | end_going_arg (); |
6544fbcb RS |
4978 | |
4979 | return result; | |
343f59d9 AM |
4980 | } |
4981 | ||
db36994b | 4982 | |
7816bea0 DJ |
4983 | /* Process the given spec string and add any new options to the end |
4984 | of the switches/n_switches array. */ | |
4985 | ||
4986 | static void | |
1d088dee | 4987 | do_option_spec (const char *name, const char *spec) |
7816bea0 DJ |
4988 | { |
4989 | unsigned int i, value_count, value_len; | |
4990 | const char *p, *q, *value; | |
4991 | char *tmp_spec, *tmp_spec_p; | |
4992 | ||
4993 | if (configure_default_options[0].name == NULL) | |
4994 | return; | |
4995 | ||
4996 | for (i = 0; i < ARRAY_SIZE (configure_default_options); i++) | |
4997 | if (strcmp (configure_default_options[i].name, name) == 0) | |
4998 | break; | |
4999 | if (i == ARRAY_SIZE (configure_default_options)) | |
5000 | return; | |
5001 | ||
5002 | value = configure_default_options[i].value; | |
5003 | value_len = strlen (value); | |
5004 | ||
5005 | /* Compute the size of the final spec. */ | |
5006 | value_count = 0; | |
5007 | p = spec; | |
5008 | while ((p = strstr (p, "%(VALUE)")) != NULL) | |
5009 | { | |
5010 | p ++; | |
5011 | value_count ++; | |
5012 | } | |
5013 | ||
5014 | /* Replace each %(VALUE) by the specified value. */ | |
e1e4cdc4 | 5015 | tmp_spec = (char *) alloca (strlen (spec) + 1 |
7816bea0 DJ |
5016 | + value_count * (value_len - strlen ("%(VALUE)"))); |
5017 | tmp_spec_p = tmp_spec; | |
5018 | q = spec; | |
5019 | while ((p = strstr (q, "%(VALUE)")) != NULL) | |
5020 | { | |
5021 | memcpy (tmp_spec_p, q, p - q); | |
5022 | tmp_spec_p = tmp_spec_p + (p - q); | |
5023 | memcpy (tmp_spec_p, value, value_len); | |
5024 | tmp_spec_p += value_len; | |
5025 | q = p + strlen ("%(VALUE)"); | |
5026 | } | |
5027 | strcpy (tmp_spec_p, q); | |
5028 | ||
5029 | do_self_spec (tmp_spec); | |
5030 | } | |
5031 | ||
db36994b RS |
5032 | /* Process the given spec string and add any new options to the end |
5033 | of the switches/n_switches array. */ | |
5034 | ||
5035 | static void | |
1d088dee | 5036 | do_self_spec (const char *spec) |
db36994b | 5037 | { |
94b90527 JJ |
5038 | int i; |
5039 | ||
db36994b RS |
5040 | do_spec_2 (spec); |
5041 | do_spec_1 (" ", 0, NULL); | |
5042 | ||
94b90527 JJ |
5043 | /* Mark %<S switches processed by do_self_spec to be ignored permanently. |
5044 | do_self_specs adds the replacements to switches array, so it shouldn't | |
5045 | be processed afterwards. */ | |
5046 | for (i = 0; i < n_switches; i++) | |
5047 | if ((switches[i].live_cond & SWITCH_IGNORE)) | |
5048 | switches[i].live_cond |= SWITCH_IGNORE_PERMANENTLY; | |
5049 | ||
9771b263 | 5050 | if (argbuf.length () > 0) |
db36994b | 5051 | { |
efe5e5a0 JM |
5052 | const char **argbuf_copy; |
5053 | struct cl_decoded_option *decoded_options; | |
5054 | struct cl_option_handlers handlers; | |
5055 | unsigned int decoded_options_count; | |
5056 | unsigned int j; | |
db36994b | 5057 | |
efe5e5a0 JM |
5058 | /* Create a copy of argbuf with a dummy argv[0] entry for |
5059 | decode_cmdline_options_to_array. */ | |
5b634ee0 | 5060 | argbuf_copy = XNEWVEC (const char *, |
9771b263 | 5061 | argbuf.length () + 1); |
efe5e5a0 | 5062 | argbuf_copy[0] = ""; |
9771b263 DN |
5063 | memcpy (argbuf_copy + 1, argbuf.address (), |
5064 | argbuf.length () * sizeof (const char *)); | |
db36994b | 5065 | |
9771b263 | 5066 | decode_cmdline_options_to_array (argbuf.length () + 1, |
5b634ee0 | 5067 | argbuf_copy, |
efe5e5a0 JM |
5068 | CL_DRIVER, &decoded_options, |
5069 | &decoded_options_count); | |
fc429b48 | 5070 | free (argbuf_copy); |
2153915d | 5071 | |
efe5e5a0 | 5072 | set_option_handlers (&handlers); |
2153915d | 5073 | |
efe5e5a0 JM |
5074 | for (j = 1; j < decoded_options_count; j++) |
5075 | { | |
5076 | switch (decoded_options[j].opt_index) | |
2153915d | 5077 | { |
efe5e5a0 JM |
5078 | case OPT_SPECIAL_input_file: |
5079 | /* Specs should only generate options, not input | |
5080 | files. */ | |
5081 | if (strcmp (decoded_options[j].arg, "-") != 0) | |
40fecdd6 JM |
5082 | fatal_error (input_location, |
5083 | "switch %qs does not start with %<-%>", | |
efe5e5a0 JM |
5084 | decoded_options[j].arg); |
5085 | else | |
40fecdd6 JM |
5086 | fatal_error (input_location, |
5087 | "spec-generated switch is just %<-%>"); | |
efe5e5a0 | 5088 | break; |
2153915d | 5089 | |
efe5e5a0 JM |
5090 | case OPT_fcompare_debug_second: |
5091 | case OPT_fcompare_debug: | |
5092 | case OPT_fcompare_debug_: | |
5093 | case OPT_o: | |
5094 | /* Avoid duplicate processing of some options from | |
5095 | compare-debug specs; just save them here. */ | |
5096 | save_switch (decoded_options[j].canonical_option[0], | |
5097 | (decoded_options[j].canonical_option_num_elements | |
5098 | - 1), | |
d168aaee | 5099 | &decoded_options[j].canonical_option[1], false, true); |
efe5e5a0 JM |
5100 | break; |
5101 | ||
5102 | default: | |
5103 | read_cmdline_option (&global_options, &global_options_set, | |
a4d8c676 JM |
5104 | decoded_options + j, UNKNOWN_LOCATION, |
5105 | CL_DRIVER, &handlers, global_dc); | |
efe5e5a0 | 5106 | break; |
2153915d | 5107 | } |
db36994b | 5108 | } |
2153915d | 5109 | |
2cb844ce DM |
5110 | free (decoded_options); |
5111 | ||
efe5e5a0 | 5112 | alloc_switch (); |
2153915d | 5113 | switches[n_switches].part1 = 0; |
db36994b RS |
5114 | } |
5115 | } | |
5116 | ||
00dcee0c AM |
5117 | /* Callback for processing %D and %I specs. */ |
5118 | ||
5119 | struct spec_path_info { | |
5120 | const char *option; | |
5121 | const char *append; | |
5122 | size_t append_len; | |
5123 | bool omit_relative; | |
5124 | bool separate_options; | |
5125 | }; | |
5126 | ||
5127 | static void * | |
5128 | spec_path (char *path, void *data) | |
76391e5a | 5129 | { |
e1e4cdc4 | 5130 | struct spec_path_info *info = (struct spec_path_info *) data; |
00dcee0c AM |
5131 | size_t len = 0; |
5132 | char save = 0; | |
76391e5a | 5133 | |
00dcee0c AM |
5134 | if (info->omit_relative && !IS_ABSOLUTE_PATH (path)) |
5135 | return NULL; | |
5136 | ||
5137 | if (info->append_len != 0) | |
76391e5a | 5138 | { |
00dcee0c AM |
5139 | len = strlen (path); |
5140 | memcpy (path + len, info->append, info->append_len + 1); | |
76391e5a PB |
5141 | } |
5142 | ||
00dcee0c AM |
5143 | if (!is_directory (path, true)) |
5144 | return NULL; | |
76391e5a | 5145 | |
00dcee0c AM |
5146 | do_spec_1 (info->option, 1, NULL); |
5147 | if (info->separate_options) | |
5148 | do_spec_1 (" ", 0, NULL); | |
5149 | ||
5150 | if (info->append_len == 0) | |
76391e5a | 5151 | { |
00dcee0c AM |
5152 | len = strlen (path); |
5153 | save = path[len - 1]; | |
5154 | if (IS_DIR_SEPARATOR (path[len - 1])) | |
5155 | path[len - 1] = '\0'; | |
76391e5a | 5156 | } |
00dcee0c AM |
5157 | |
5158 | do_spec_1 (path, 1, NULL); | |
5159 | do_spec_1 (" ", 0, NULL); | |
5160 | ||
5161 | /* Must not damage the original path. */ | |
5162 | if (info->append_len == 0) | |
5163 | path[len - 1] = save; | |
5164 | ||
5165 | return NULL; | |
76391e5a PB |
5166 | } |
5167 | ||
5a691e98 RAE |
5168 | /* True if we should compile INFILE. */ |
5169 | ||
5170 | static bool | |
5171 | compile_input_file_p (struct infile *infile) | |
5172 | { | |
5173 | if ((!infile->language) || (infile->language[0] != '*')) | |
5174 | if (infile->incompiler == input_file_compiler) | |
5175 | return true; | |
5176 | return false; | |
5177 | } | |
5178 | ||
69d540bd NF |
5179 | /* Process each member of VEC as a spec. */ |
5180 | ||
5181 | static void | |
9771b263 | 5182 | do_specs_vec (vec<char_p> vec) |
69d540bd NF |
5183 | { |
5184 | unsigned ix; | |
5185 | char *opt; | |
5186 | ||
9771b263 | 5187 | FOR_EACH_VEC_ELT (vec, ix, opt) |
69d540bd NF |
5188 | { |
5189 | do_spec_1 (opt, 1, NULL); | |
5190 | /* Make each accumulated option a separate argument. */ | |
5191 | do_spec_1 (" ", 0, NULL); | |
5192 | } | |
5193 | } | |
5194 | ||
ed1f651b RS |
5195 | /* Process the sub-spec SPEC as a portion of a larger spec. |
5196 | This is like processing a whole spec except that we do | |
5197 | not initialize at the beginning and we do not supply a | |
5198 | newline by default at the end. | |
5199 | INSWITCH nonzero means don't process %-sequences in SPEC; | |
5200 | in this case, % is treated as an ordinary character. | |
5201 | This is used while substituting switches. | |
5202 | INSWITCH nonzero also causes SPC not to terminate an argument. | |
5203 | ||
5204 | Value is zero unless a line was finished | |
5205 | and the command on that line reported an error. */ | |
5206 | ||
5207 | static int | |
1d088dee | 5208 | do_spec_1 (const char *spec, int inswitch, const char *soft_matched_part) |
ed1f651b | 5209 | { |
b3694847 SS |
5210 | const char *p = spec; |
5211 | int c; | |
ed1f651b | 5212 | int i; |
3279bba6 | 5213 | int value; |
ed1f651b | 5214 | |
7fcf46f5 JZ |
5215 | /* If it's an empty string argument to a switch, keep it as is. */ |
5216 | if (inswitch && !*p) | |
5217 | arg_going = 1; | |
5218 | ||
ededb2fc | 5219 | while ((c = *p++)) |
ed1f651b RS |
5220 | /* If substituting a switch, treat all chars like letters. |
5221 | Otherwise, NL, SPC, TAB and % are special. */ | |
5222 | switch (inswitch ? 'a' : c) | |
5223 | { | |
5224 | case '\n': | |
13e7cedb | 5225 | end_going_arg (); |
ed1f651b | 5226 | |
9771b263 DN |
5227 | if (argbuf.length () > 0 |
5228 | && !strcmp (argbuf.last (), "|")) | |
ed1f651b | 5229 | { |
ed1f651b RS |
5230 | /* A `|' before the newline means use a pipe here, |
5231 | but only if -pipe was specified. | |
5232 | Otherwise, execute now and don't pass the `|' as an arg. */ | |
4977bab6 | 5233 | if (use_pipes) |
ed1f651b | 5234 | { |
a99bf70c | 5235 | input_from_pipe = 1; |
ed1f651b RS |
5236 | break; |
5237 | } | |
5238 | else | |
9771b263 | 5239 | argbuf.pop (); |
ed1f651b RS |
5240 | } |
5241 | ||
b856c15d RO |
5242 | set_collect_gcc_options (); |
5243 | ||
9771b263 | 5244 | if (argbuf.length () > 0) |
ed1f651b | 5245 | { |
3279bba6 | 5246 | value = execute (); |
ed1f651b RS |
5247 | if (value) |
5248 | return value; | |
5249 | } | |
5250 | /* Reinitialize for a new command, and for a new argument. */ | |
5251 | clear_args (); | |
5252 | arg_going = 0; | |
5253 | delete_this_arg = 0; | |
5254 | this_is_output_file = 0; | |
5255 | this_is_library_file = 0; | |
3beb864c | 5256 | this_is_linker_script = 0; |
a99bf70c | 5257 | input_from_pipe = 0; |
ed1f651b RS |
5258 | break; |
5259 | ||
5260 | case '|': | |
13e7cedb | 5261 | end_going_arg (); |
ed1f651b RS |
5262 | |
5263 | /* Use pipe */ | |
5264 | obstack_1grow (&obstack, c); | |
5265 | arg_going = 1; | |
5266 | break; | |
5267 | ||
5268 | case '\t': | |
5269 | case ' ': | |
13e7cedb DH |
5270 | end_going_arg (); |
5271 | ||
ed1f651b | 5272 | /* Reinitialize for a new argument. */ |
ed1f651b RS |
5273 | delete_this_arg = 0; |
5274 | this_is_output_file = 0; | |
5275 | this_is_library_file = 0; | |
3beb864c | 5276 | this_is_linker_script = 0; |
ed1f651b RS |
5277 | break; |
5278 | ||
5279 | case '%': | |
5280 | switch (c = *p++) | |
5281 | { | |
5282 | case 0: | |
40fecdd6 | 5283 | fatal_error (input_location, "spec %qs invalid", spec); |
ed1f651b RS |
5284 | |
5285 | case 'b': | |
14fdc613 MM |
5286 | if (save_temps_length) |
5287 | obstack_grow (&obstack, save_temps_prefix, save_temps_length); | |
5288 | else | |
5289 | obstack_grow (&obstack, input_basename, basename_length); | |
2153915d AO |
5290 | if (compare_debug < 0) |
5291 | obstack_grow (&obstack, ".gk", 3); | |
ed1f651b RS |
5292 | arg_going = 1; |
5293 | break; | |
5294 | ||
ea414c97 | 5295 | case 'B': |
14fdc613 MM |
5296 | if (save_temps_length) |
5297 | obstack_grow (&obstack, save_temps_prefix, save_temps_length); | |
5298 | else | |
5299 | obstack_grow (&obstack, input_basename, suffixed_basename_length); | |
2153915d AO |
5300 | if (compare_debug < 0) |
5301 | obstack_grow (&obstack, ".gk", 3); | |
ea414c97 ZW |
5302 | arg_going = 1; |
5303 | break; | |
5304 | ||
ed1f651b RS |
5305 | case 'd': |
5306 | delete_this_arg = 2; | |
5307 | break; | |
5308 | ||
5309 | /* Dump out the directories specified with LIBRARY_PATH, | |
004fd4d5 RS |
5310 | followed by the absolute directories |
5311 | that we search for startfiles. */ | |
ed1f651b | 5312 | case 'D': |
8cacec76 | 5313 | { |
00dcee0c | 5314 | struct spec_path_info info; |
59014d0a | 5315 | |
00dcee0c AM |
5316 | info.option = "-L"; |
5317 | info.append_len = 0; | |
76391e5a | 5318 | #ifdef RELATIVE_PREFIX_NOT_LINKDIR |
00dcee0c AM |
5319 | /* Used on systems which record the specified -L dirs |
5320 | and use them to search for dynamic linking. | |
5321 | Relative directories always come from -B, | |
5322 | and it is better not to use them for searching | |
5323 | at run time. In particular, stage1 loses. */ | |
5324 | info.omit_relative = true; | |
76391e5a | 5325 | #else |
00dcee0c | 5326 | info.omit_relative = false; |
004fd4d5 | 5327 | #endif |
00dcee0c AM |
5328 | info.separate_options = false; |
5329 | ||
5330 | for_each_path (&startfile_prefixes, true, 0, spec_path, &info); | |
8cacec76 | 5331 | } |
ed1f651b RS |
5332 | break; |
5333 | ||
5334 | case 'e': | |
ab87f8c8 | 5335 | /* %efoo means report an error with `foo' as error message |
ed1f651b RS |
5336 | and don't execute any more commands for this file. */ |
5337 | { | |
878f32c3 | 5338 | const char *q = p; |
ed1f651b | 5339 | char *buf; |
d25a45d4 KH |
5340 | while (*p != 0 && *p != '\n') |
5341 | p++; | |
e1e4cdc4 | 5342 | buf = (char *) alloca (p - q + 1); |
ed1f651b RS |
5343 | strncpy (buf, q, p - q); |
5344 | buf[p - q] = 0; | |
5bc69b92 | 5345 | error ("%s", _(buf)); |
ed1f651b RS |
5346 | return -1; |
5347 | } | |
5348 | break; | |
4a88a060 | 5349 | case 'n': |
09da1532 | 5350 | /* %nfoo means report a notice with `foo' on stderr. */ |
4a88a060 JH |
5351 | { |
5352 | const char *q = p; | |
5353 | char *buf; | |
5354 | while (*p != 0 && *p != '\n') | |
5355 | p++; | |
e1e4cdc4 | 5356 | buf = (char *) alloca (p - q + 1); |
4a88a060 JH |
5357 | strncpy (buf, q, p - q); |
5358 | buf[p - q] = 0; | |
64a5912c | 5359 | inform (UNKNOWN_LOCATION, "%s", _(buf)); |
4a88a060 JH |
5360 | if (*p) |
5361 | p++; | |
5362 | } | |
5363 | break; | |
ed1f651b | 5364 | |
d25a45d4 KH |
5365 | case 'j': |
5366 | { | |
5367 | struct stat st; | |
5368 | ||
4977bab6 ZW |
5369 | /* If save_temps_flag is off, and the HOST_BIT_BUCKET is |
5370 | defined, and it is not a directory, and it is | |
5371 | writable, use it. Otherwise, treat this like any | |
5372 | other temporary file. */ | |
d25a45d4 KH |
5373 | |
5374 | if ((!save_temps_flag) | |
5375 | && (stat (HOST_BIT_BUCKET, &st) == 0) && (!S_ISDIR (st.st_mode)) | |
5376 | && (access (HOST_BIT_BUCKET, W_OK) == 0)) | |
5377 | { | |
5378 | obstack_grow (&obstack, HOST_BIT_BUCKET, | |
5379 | strlen (HOST_BIT_BUCKET)); | |
5380 | delete_this_arg = 0; | |
5381 | arg_going = 1; | |
5382 | break; | |
5383 | } | |
5384 | } | |
4977bab6 ZW |
5385 | goto create_temp_file; |
5386 | case '|': | |
5387 | if (use_pipes) | |
5388 | { | |
5389 | obstack_1grow (&obstack, '-'); | |
5390 | delete_this_arg = 0; | |
5391 | arg_going = 1; | |
5392 | ||
5393 | /* consume suffix */ | |
a92dd235 | 5394 | while (*p == '.' || ISALNUM ((unsigned char) *p)) |
4977bab6 ZW |
5395 | p++; |
5396 | if (p[0] == '%' && p[1] == 'O') | |
5397 | p += 2; | |
1d088dee | 5398 | |
4977bab6 ZW |
5399 | break; |
5400 | } | |
5401 | goto create_temp_file; | |
5402 | case 'm': | |
5403 | if (use_pipes) | |
5404 | { | |
5405 | /* consume suffix */ | |
a92dd235 | 5406 | while (*p == '.' || ISALNUM ((unsigned char) *p)) |
4977bab6 ZW |
5407 | p++; |
5408 | if (p[0] == '%' && p[1] == 'O') | |
5409 | p += 2; | |
1d088dee | 5410 | |
4977bab6 ZW |
5411 | break; |
5412 | } | |
5413 | goto create_temp_file; | |
ed1f651b | 5414 | case 'g': |
d887e808 | 5415 | case 'u': |
4401b31c | 5416 | case 'U': |
4977bab6 | 5417 | create_temp_file: |
ed1f651b | 5418 | { |
fb266030 | 5419 | struct temp_name *t; |
dd75c292 | 5420 | int suffix_length; |
878f32c3 | 5421 | const char *suffix = p; |
a1d9074c | 5422 | char *saved_suffix = NULL; |
dd75c292 | 5423 | |
a92dd235 | 5424 | while (*p == '.' || ISALNUM ((unsigned char) *p)) |
a1d9074c TT |
5425 | p++; |
5426 | suffix_length = p - suffix; | |
dd75c292 CB |
5427 | if (p[0] == '%' && p[1] == 'O') |
5428 | { | |
cbc54665 | 5429 | p += 2; |
dd75c292 | 5430 | /* We don't support extra suffix characters after %O. */ |
a92dd235 | 5431 | if (*p == '.' || ISALNUM ((unsigned char) *p)) |
40fecdd6 JM |
5432 | fatal_error (input_location, |
5433 | "spec %qs has invalid %<%%0%c%>", spec, *p); | |
a1d9074c | 5434 | if (suffix_length == 0) |
45936a85 | 5435 | suffix = TARGET_OBJECT_SUFFIX; |
a1d9074c TT |
5436 | else |
5437 | { | |
5438 | saved_suffix | |
5ed6ace5 | 5439 | = XNEWVEC (char, suffix_length |
e3cb8f05 | 5440 | + strlen (TARGET_OBJECT_SUFFIX) + 1); |
a1d9074c TT |
5441 | strncpy (saved_suffix, suffix, suffix_length); |
5442 | strcpy (saved_suffix + suffix_length, | |
45936a85 | 5443 | TARGET_OBJECT_SUFFIX); |
a1d9074c | 5444 | } |
45936a85 | 5445 | suffix_length += strlen (TARGET_OBJECT_SUFFIX); |
dd75c292 | 5446 | } |
589005ff | 5447 | |
2153915d AO |
5448 | if (compare_debug < 0) |
5449 | { | |
5450 | suffix = concat (".gk", suffix, NULL); | |
5451 | suffix_length += 3; | |
5452 | } | |
5453 | ||
14fdc613 MM |
5454 | /* If -save-temps=obj and -o were specified, use that for the |
5455 | temp file. */ | |
5456 | if (save_temps_length) | |
5457 | { | |
5458 | char *tmp; | |
5459 | temp_filename_length | |
5460 | = save_temps_length + suffix_length + 1; | |
5461 | tmp = (char *) alloca (temp_filename_length); | |
5462 | memcpy (tmp, save_temps_prefix, save_temps_length); | |
5463 | memcpy (tmp + save_temps_length, suffix, suffix_length); | |
5464 | tmp[save_temps_length + suffix_length] = '\0'; | |
fc429b48 TB |
5465 | temp_filename = save_string (tmp, save_temps_length |
5466 | + suffix_length); | |
14fdc613 MM |
5467 | obstack_grow (&obstack, temp_filename, |
5468 | temp_filename_length); | |
5469 | arg_going = 1; | |
5470 | delete_this_arg = 0; | |
5471 | break; | |
5472 | } | |
5473 | ||
6afbc885 | 5474 | /* If the gcc_input_filename has the same suffix specified |
99f78cdd IR |
5475 | for the %g, %u, or %U, and -save-temps is specified, |
5476 | we could end up using that file as an intermediate | |
5477 | thus clobbering the user's source file (.e.g., | |
5478 | gcc -save-temps foo.s would clobber foo.s with the | |
5479 | output of cpp0). So check for this condition and | |
5480 | generate a temp file as the intermediate. */ | |
589005ff | 5481 | |
99f78cdd IR |
5482 | if (save_temps_flag) |
5483 | { | |
6ea2b70d | 5484 | char *tmp; |
14fdc613 MM |
5485 | temp_filename_length = basename_length + suffix_length + 1; |
5486 | tmp = (char *) alloca (temp_filename_length); | |
5487 | memcpy (tmp, input_basename, basename_length); | |
5488 | memcpy (tmp + basename_length, suffix, suffix_length); | |
5489 | tmp[basename_length + suffix_length] = '\0'; | |
6ea2b70d | 5490 | temp_filename = tmp; |
14fdc613 | 5491 | |
ba78087b | 5492 | if (filename_cmp (temp_filename, gcc_input_filename) != 0) |
99f78cdd | 5493 | { |
a9024779 | 5494 | #ifndef HOST_LACKS_INODE_NUMBERS |
1d088dee | 5495 | struct stat st_temp; |
589005ff | 5496 | |
1d088dee AJ |
5497 | /* Note, set_input() resets input_stat_set to 0. */ |
5498 | if (input_stat_set == 0) | |
5499 | { | |
6afbc885 JM |
5500 | input_stat_set = stat (gcc_input_filename, |
5501 | &input_stat); | |
1d088dee AJ |
5502 | if (input_stat_set >= 0) |
5503 | input_stat_set = 1; | |
5504 | } | |
589005ff | 5505 | |
6afbc885 | 5506 | /* If we have the stat for the gcc_input_filename |
1d088dee AJ |
5507 | and we can do the stat for the temp_filename |
5508 | then the they could still refer to the same | |
5509 | file if st_dev/st_ino's are the same. */ | |
99f78cdd IR |
5510 | if (input_stat_set != 1 |
5511 | || stat (temp_filename, &st_temp) < 0 | |
5512 | || input_stat.st_dev != st_temp.st_dev | |
5513 | || input_stat.st_ino != st_temp.st_ino) | |
a9024779 DS |
5514 | #else |
5515 | /* Just compare canonical pathnames. */ | |
6afbc885 | 5516 | char* input_realname = lrealpath (gcc_input_filename); |
a9024779 | 5517 | char* temp_realname = lrealpath (temp_filename); |
ba78087b | 5518 | bool files_differ = filename_cmp (input_realname, temp_realname); |
a9024779 DS |
5519 | free (input_realname); |
5520 | free (temp_realname); | |
7904f95f | 5521 | if (files_differ) |
a9024779 | 5522 | #endif |
589005ff | 5523 | { |
38359141 ML |
5524 | temp_filename |
5525 | = save_string (temp_filename, | |
5526 | temp_filename_length - 1); | |
99f78cdd | 5527 | obstack_grow (&obstack, temp_filename, |
1d088dee | 5528 | temp_filename_length); |
99f78cdd | 5529 | arg_going = 1; |
d2dff06b | 5530 | delete_this_arg = 0; |
99f78cdd IR |
5531 | break; |
5532 | } | |
5533 | } | |
5534 | } | |
fb266030 TW |
5535 | |
5536 | /* See if we already have an association of %g/%u/%U and | |
5537 | suffix. */ | |
5538 | for (t = temp_names; t; t = t->next) | |
dd75c292 CB |
5539 | if (t->length == suffix_length |
5540 | && strncmp (t->suffix, suffix, suffix_length) == 0 | |
95456d43 | 5541 | && t->unique == (c == 'u' || c == 'U' || c == 'j')) |
fb266030 TW |
5542 | break; |
5543 | ||
2297fdf1 TT |
5544 | /* Make a new association if needed. %u and %j |
5545 | require one. */ | |
49009afd | 5546 | if (t == 0 || c == 'u' || c == 'j') |
fb266030 TW |
5547 | { |
5548 | if (t == 0) | |
5549 | { | |
e1e4cdc4 | 5550 | t = XNEW (struct temp_name); |
fb266030 TW |
5551 | t->next = temp_names; |
5552 | temp_names = t; | |
5553 | } | |
dd75c292 | 5554 | t->length = suffix_length; |
2297fdf1 TT |
5555 | if (saved_suffix) |
5556 | { | |
5557 | t->suffix = saved_suffix; | |
5558 | saved_suffix = NULL; | |
5559 | } | |
5560 | else | |
5561 | t->suffix = save_string (suffix, suffix_length); | |
95456d43 | 5562 | t->unique = (c == 'u' || c == 'U' || c == 'j'); |
dd75c292 | 5563 | temp_filename = make_temp_file (t->suffix); |
6aa62cff | 5564 | temp_filename_length = strlen (temp_filename); |
fb266030 TW |
5565 | t->filename = temp_filename; |
5566 | t->filename_length = temp_filename_length; | |
5567 | } | |
5568 | ||
04695783 | 5569 | free (saved_suffix); |
a1d9074c | 5570 | |
fb266030 | 5571 | obstack_grow (&obstack, t->filename, t->filename_length); |
b9490a6e | 5572 | delete_this_arg = 1; |
ed1f651b RS |
5573 | } |
5574 | arg_going = 1; | |
5575 | break; | |
5576 | ||
5577 | case 'i': | |
d1bd0ded GK |
5578 | if (combine_inputs) |
5579 | { | |
e7208389 EB |
5580 | /* We are going to expand `%i' into `@FILE', where FILE |
5581 | is a newly-created temporary filename. The filenames | |
5582 | that would usually be expanded in place of %o will be | |
5583 | written to the temporary file. */ | |
5a691e98 | 5584 | if (at_file_supplied) |
e7208389 | 5585 | open_at_file (); |
5a691e98 | 5586 | |
e7208389 EB |
5587 | for (i = 0; (int) i < n_infiles; i++) |
5588 | if (compile_input_file_p (&infiles[i])) | |
5589 | { | |
5590 | store_arg (infiles[i].name, 0, 0); | |
5591 | infiles[i].compiled = true; | |
5592 | } | |
5593 | ||
5594 | if (at_file_supplied) | |
5595 | close_at_file (); | |
d1bd0ded GK |
5596 | } |
5597 | else | |
5598 | { | |
6afbc885 JM |
5599 | obstack_grow (&obstack, gcc_input_filename, |
5600 | input_filename_length); | |
d1bd0ded GK |
5601 | arg_going = 1; |
5602 | } | |
ed1f651b RS |
5603 | break; |
5604 | ||
8eebb258 | 5605 | case 'I': |
2d879387 | 5606 | { |
00dcee0c | 5607 | struct spec_path_info info; |
2d879387 | 5608 | |
2b6dd222 JM |
5609 | if (multilib_dir) |
5610 | { | |
5611 | do_spec_1 ("-imultilib", 1, NULL); | |
5612 | /* Make this a separate argument. */ | |
5613 | do_spec_1 (" ", 0, NULL); | |
5614 | do_spec_1 (multilib_dir, 1, NULL); | |
5615 | do_spec_1 (" ", 0, NULL); | |
5616 | } | |
5617 | ||
e0cdc09f MK |
5618 | if (multiarch_dir) |
5619 | { | |
5620 | do_spec_1 ("-imultiarch", 1, NULL); | |
5621 | /* Make this a separate argument. */ | |
5622 | do_spec_1 (" ", 0, NULL); | |
5623 | do_spec_1 (multiarch_dir, 1, NULL); | |
5624 | do_spec_1 (" ", 0, NULL); | |
5625 | } | |
5626 | ||
2d879387 JW |
5627 | if (gcc_exec_prefix) |
5628 | { | |
6496a589 | 5629 | do_spec_1 ("-iprefix", 1, NULL); |
2d879387 | 5630 | /* Make this a separate argument. */ |
6496a589 KG |
5631 | do_spec_1 (" ", 0, NULL); |
5632 | do_spec_1 (gcc_exec_prefix, 1, NULL); | |
5633 | do_spec_1 (" ", 0, NULL); | |
2d879387 JW |
5634 | } |
5635 | ||
e7f13528 GP |
5636 | if (target_system_root_changed || |
5637 | (target_system_root && target_sysroot_hdrs_suffix)) | |
047d636f DJ |
5638 | { |
5639 | do_spec_1 ("-isysroot", 1, NULL); | |
5640 | /* Make this a separate argument. */ | |
5641 | do_spec_1 (" ", 0, NULL); | |
5642 | do_spec_1 (target_system_root, 1, NULL); | |
e7f13528 GP |
5643 | if (target_sysroot_hdrs_suffix) |
5644 | do_spec_1 (target_sysroot_hdrs_suffix, 1, NULL); | |
047d636f DJ |
5645 | do_spec_1 (" ", 0, NULL); |
5646 | } | |
5647 | ||
00dcee0c AM |
5648 | info.option = "-isystem"; |
5649 | info.append = "include"; | |
5650 | info.append_len = strlen (info.append); | |
5651 | info.omit_relative = false; | |
5652 | info.separate_options = true; | |
5653 | ||
5654 | for_each_path (&include_prefixes, false, info.append_len, | |
5655 | spec_path, &info); | |
f686ec05 JM |
5656 | |
5657 | info.append = "include-fixed"; | |
14da6073 JM |
5658 | if (*sysroot_hdrs_suffix_spec) |
5659 | info.append = concat (info.append, dir_separator_str, | |
5660 | multilib_dir, NULL); | |
f686ec05 JM |
5661 | info.append_len = strlen (info.append); |
5662 | for_each_path (&include_prefixes, false, info.append_len, | |
5663 | spec_path, &info); | |
2d879387 | 5664 | } |
8eebb258 RS |
5665 | break; |
5666 | ||
ed1f651b | 5667 | case 'o': |
e7208389 EB |
5668 | /* We are going to expand `%o' into `@FILE', where FILE |
5669 | is a newly-created temporary filename. The filenames | |
5670 | that would usually be expanded in place of %o will be | |
5671 | written to the temporary file. */ | |
5672 | if (at_file_supplied) | |
5673 | open_at_file (); | |
5674 | ||
5675 | for (i = 0; i < n_infiles + lang_specific_extra_outfiles; i++) | |
5676 | if (outfiles[i]) | |
5677 | store_arg (outfiles[i], 0, 0); | |
5678 | ||
5679 | if (at_file_supplied) | |
5680 | close_at_file (); | |
5681 | break; | |
ed1f651b | 5682 | |
ed7dae04 | 5683 | case 'O': |
45936a85 | 5684 | obstack_grow (&obstack, TARGET_OBJECT_SUFFIX, strlen (TARGET_OBJECT_SUFFIX)); |
ed7dae04 RK |
5685 | arg_going = 1; |
5686 | break; | |
5687 | ||
ed1f651b RS |
5688 | case 's': |
5689 | this_is_library_file = 1; | |
5690 | break; | |
5691 | ||
3beb864c NC |
5692 | case 'T': |
5693 | this_is_linker_script = 1; | |
5694 | break; | |
5695 | ||
17211ab5 GK |
5696 | case 'V': |
5697 | outfiles[input_file_number] = NULL; | |
5698 | break; | |
5699 | ||
ed1f651b RS |
5700 | case 'w': |
5701 | this_is_output_file = 1; | |
5702 | break; | |
5703 | ||
5704 | case 'W': | |
5705 | { | |
9771b263 | 5706 | unsigned int cur_index = argbuf.length (); |
ed1f651b RS |
5707 | /* Handle the {...} following the %W. */ |
5708 | if (*p != '{') | |
40fecdd6 JM |
5709 | fatal_error (input_location, |
5710 | "spec %qs has invalid %<%%W%c%>", spec, *p); | |
ed1f651b RS |
5711 | p = handle_braces (p + 1); |
5712 | if (p == 0) | |
5713 | return -1; | |
13e7cedb | 5714 | end_going_arg (); |
ed1f651b RS |
5715 | /* If any args were output, mark the last one for deletion |
5716 | on failure. */ | |
9771b263 DN |
5717 | if (argbuf.length () != cur_index) |
5718 | record_temp_file (argbuf.last (), 0, 1); | |
ed1f651b RS |
5719 | break; |
5720 | } | |
5721 | ||
e7208389 EB |
5722 | case '@': |
5723 | /* Handle the {...} following the %@. */ | |
5724 | if (*p != '{') | |
5725 | fatal_error (input_location, | |
5726 | "spec %qs has invalid %<%%@%c%>", spec, *p); | |
5727 | if (at_file_supplied) | |
5728 | open_at_file (); | |
5729 | p = handle_braces (p + 1); | |
5730 | if (at_file_supplied) | |
5731 | close_at_file (); | |
5732 | if (p == 0) | |
5733 | return -1; | |
5734 | break; | |
5735 | ||
ed1f651b RS |
5736 | /* %x{OPTION} records OPTION for %X to output. */ |
5737 | case 'x': | |
5738 | { | |
878f32c3 | 5739 | const char *p1 = p; |
ed1f651b | 5740 | char *string; |
69d540bd NF |
5741 | char *opt; |
5742 | unsigned ix; | |
ed1f651b RS |
5743 | |
5744 | /* Skip past the option value and make a copy. */ | |
5745 | if (*p != '{') | |
40fecdd6 JM |
5746 | fatal_error (input_location, |
5747 | "spec %qs has invalid %<%%x%c%>", spec, *p); | |
ed1f651b RS |
5748 | while (*p++ != '}') |
5749 | ; | |
5750 | string = save_string (p1 + 1, p - p1 - 2); | |
5751 | ||
5752 | /* See if we already recorded this option. */ | |
9771b263 | 5753 | FOR_EACH_VEC_ELT (linker_options, ix, opt) |
69d540bd | 5754 | if (! strcmp (string, opt)) |
ed1f651b RS |
5755 | { |
5756 | free (string); | |
5757 | return 0; | |
5758 | } | |
5759 | ||
5760 | /* This option is new; add it. */ | |
b8468bc7 | 5761 | add_linker_option (string, strlen (string)); |
fc429b48 | 5762 | free (string); |
ed1f651b RS |
5763 | } |
5764 | break; | |
5765 | ||
368dfd3a | 5766 | /* Dump out the options accumulated previously using %x. */ |
ed1f651b | 5767 | case 'X': |
69d540bd | 5768 | do_specs_vec (linker_options); |
ed1f651b RS |
5769 | break; |
5770 | ||
c9ebacb8 RS |
5771 | /* Dump out the options accumulated previously using -Wa,. */ |
5772 | case 'Y': | |
69d540bd | 5773 | do_specs_vec (assembler_options); |
c9ebacb8 RS |
5774 | break; |
5775 | ||
57cb9b60 JW |
5776 | /* Dump out the options accumulated previously using -Wp,. */ |
5777 | case 'Z': | |
69d540bd | 5778 | do_specs_vec (preprocessor_options); |
57cb9b60 JW |
5779 | break; |
5780 | ||
ed1f651b RS |
5781 | /* Here are digits and numbers that just process |
5782 | a certain constant string as a spec. */ | |
5783 | ||
5784 | case '1': | |
6496a589 | 5785 | value = do_spec_1 (cc1_spec, 0, NULL); |
3279bba6 RS |
5786 | if (value != 0) |
5787 | return value; | |
ed1f651b RS |
5788 | break; |
5789 | ||
5790 | case '2': | |
6496a589 | 5791 | value = do_spec_1 (cc1plus_spec, 0, NULL); |
3279bba6 RS |
5792 | if (value != 0) |
5793 | return value; | |
ed1f651b RS |
5794 | break; |
5795 | ||
5796 | case 'a': | |
6496a589 | 5797 | value = do_spec_1 (asm_spec, 0, NULL); |
3279bba6 RS |
5798 | if (value != 0) |
5799 | return value; | |
ed1f651b RS |
5800 | break; |
5801 | ||
5802 | case 'A': | |
6496a589 | 5803 | value = do_spec_1 (asm_final_spec, 0, NULL); |
3279bba6 RS |
5804 | if (value != 0) |
5805 | return value; | |
ed1f651b RS |
5806 | break; |
5807 | ||
ed1f651b | 5808 | case 'C': |
a9374841 | 5809 | { |
83182544 | 5810 | const char *const spec |
589005ff KH |
5811 | = (input_file_compiler->cpp_spec |
5812 | ? input_file_compiler->cpp_spec | |
a9374841 | 5813 | : cpp_spec); |
6496a589 | 5814 | value = do_spec_1 (spec, 0, NULL); |
a9374841 MM |
5815 | if (value != 0) |
5816 | return value; | |
5817 | } | |
ed1f651b RS |
5818 | break; |
5819 | ||
5820 | case 'E': | |
6496a589 | 5821 | value = do_spec_1 (endfile_spec, 0, NULL); |
3279bba6 RS |
5822 | if (value != 0) |
5823 | return value; | |
ed1f651b RS |
5824 | break; |
5825 | ||
5826 | case 'l': | |
6496a589 | 5827 | value = do_spec_1 (link_spec, 0, NULL); |
3279bba6 RS |
5828 | if (value != 0) |
5829 | return value; | |
ed1f651b RS |
5830 | break; |
5831 | ||
5832 | case 'L': | |
6496a589 | 5833 | value = do_spec_1 (lib_spec, 0, NULL); |
3279bba6 RS |
5834 | if (value != 0) |
5835 | return value; | |
ed1f651b RS |
5836 | break; |
5837 | ||
3cd50158 SD |
5838 | case 'M': |
5839 | if (multilib_os_dir == NULL) | |
5840 | obstack_1grow (&obstack, '.'); | |
5841 | else | |
5842 | obstack_grow (&obstack, multilib_os_dir, | |
5843 | strlen (multilib_os_dir)); | |
5844 | break; | |
5845 | ||
68d69835 | 5846 | case 'G': |
6496a589 | 5847 | value = do_spec_1 (libgcc_spec, 0, NULL); |
68d69835 JM |
5848 | if (value != 0) |
5849 | return value; | |
5850 | break; | |
5851 | ||
4977bab6 ZW |
5852 | case 'R': |
5853 | /* We assume there is a directory | |
5854 | separator at the end of this string. */ | |
5855 | if (target_system_root) | |
1d088dee AJ |
5856 | { |
5857 | obstack_grow (&obstack, target_system_root, | |
e7f13528 GP |
5858 | strlen (target_system_root)); |
5859 | if (target_sysroot_suffix) | |
1d088dee | 5860 | obstack_grow (&obstack, target_sysroot_suffix, |
e7f13528 GP |
5861 | strlen (target_sysroot_suffix)); |
5862 | } | |
4977bab6 ZW |
5863 | break; |
5864 | ||
ed1f651b | 5865 | case 'S': |
6496a589 | 5866 | value = do_spec_1 (startfile_spec, 0, NULL); |
3279bba6 RS |
5867 | if (value != 0) |
5868 | return value; | |
ed1f651b RS |
5869 | break; |
5870 | ||
5871 | /* Here we define characters other than letters and digits. */ | |
5872 | ||
5873 | case '{': | |
5874 | p = handle_braces (p); | |
5875 | if (p == 0) | |
5876 | return -1; | |
5877 | break; | |
5878 | ||
f3226a90 | 5879 | case ':': |
de5a5fa1 | 5880 | p = handle_spec_function (p, NULL); |
f3226a90 JT |
5881 | if (p == 0) |
5882 | return -1; | |
5883 | break; | |
5884 | ||
ed1f651b RS |
5885 | case '%': |
5886 | obstack_1grow (&obstack, '%'); | |
5887 | break; | |
5888 | ||
589005ff KH |
5889 | case '.': |
5890 | { | |
5891 | unsigned len = 0; | |
11972f66 | 5892 | |
589005ff KH |
5893 | while (p[len] && p[len] != ' ' && p[len] != '%') |
5894 | len++; | |
5895 | suffix_subst = save_string (p - 1, len + 1); | |
5896 | p += len; | |
5897 | } | |
11972f66 | 5898 | break; |
589005ff | 5899 | |
4977bab6 ZW |
5900 | /* Henceforth ignore the option(s) matching the pattern |
5901 | after the %<. */ | |
5902 | case '<': | |
96f5b137 | 5903 | case '>': |
4977bab6 ZW |
5904 | { |
5905 | unsigned len = 0; | |
5906 | int have_wildcard = 0; | |
5907 | int i; | |
96f5b137 L |
5908 | int switch_option; |
5909 | ||
5910 | if (c == '>') | |
5911 | switch_option = SWITCH_IGNORE | SWITCH_KEEP_FOR_GCC; | |
5912 | else | |
5913 | switch_option = SWITCH_IGNORE; | |
4977bab6 ZW |
5914 | |
5915 | while (p[len] && p[len] != ' ' && p[len] != '\t') | |
5916 | len++; | |
5917 | ||
5918 | if (p[len-1] == '*') | |
5919 | have_wildcard = 1; | |
5920 | ||
5921 | for (i = 0; i < n_switches; i++) | |
5922 | if (!strncmp (switches[i].part1, p, len - have_wildcard) | |
5923 | && (have_wildcard || switches[i].part1[len] == '\0')) | |
5924 | { | |
96f5b137 | 5925 | switches[i].live_cond |= switch_option; |
d168aaee CB |
5926 | /* User switch be validated from validate_all_switches. |
5927 | when the definition is seen from the spec file. | |
5928 | If not defined anywhere, will be rejected. */ | |
5929 | if (switches[i].known) | |
5930 | switches[i].validated = true; | |
4977bab6 ZW |
5931 | } |
5932 | ||
5933 | p += len; | |
5934 | } | |
5935 | break; | |
5936 | ||
ed1f651b | 5937 | case '*': |
3ac63d94 NC |
5938 | if (soft_matched_part) |
5939 | { | |
7fcf46f5 JZ |
5940 | if (soft_matched_part[0]) |
5941 | do_spec_1 (soft_matched_part, 1, NULL); | |
25990163 NC |
5942 | /* Only insert a space after the substitution if it is at the |
5943 | end of the current sequence. So if: | |
5944 | ||
5945 | "%{foo=*:bar%*}%{foo=*:one%*two}" | |
5946 | ||
5947 | matches -foo=hello then it will produce: | |
5948 | ||
5949 | barhello onehellotwo | |
5950 | */ | |
5951 | if (*p == 0 || *p == '}') | |
5952 | do_spec_1 (" ", 0, NULL); | |
3ac63d94 NC |
5953 | } |
5954 | else | |
5955 | /* Catch the case where a spec string contains something like | |
454ff5cb | 5956 | '%{foo:%*}'. i.e. there is no * in the pattern on the left |
3ac63d94 | 5957 | hand side of the :. */ |
bdc6b402 | 5958 | error ("spec failure: %<%%*%> has not been initialized by pattern match"); |
ed1f651b RS |
5959 | break; |
5960 | ||
5961 | /* Process a string found as the value of a spec given by name. | |
5962 | This feature allows individual machine descriptions | |
3ce9f090 | 5963 | to add and use their own specs. */ |
ed1f651b | 5964 | case '(': |
ed1f651b | 5965 | { |
878f32c3 | 5966 | const char *name = p; |
ed1f651b RS |
5967 | struct spec_list *sl; |
5968 | int len; | |
5969 | ||
5970 | /* The string after the S/P is the name of a spec that is to be | |
0f41302f | 5971 | processed. */ |
3ce9f090 | 5972 | while (*p && *p != ')') |
ed1f651b RS |
5973 | p++; |
5974 | ||
3ac63d94 | 5975 | /* See if it's in the list. */ |
ed1f651b | 5976 | for (len = p - name, sl = specs; sl; sl = sl->next) |
79aff5ac | 5977 | if (sl->name_len == len && !strncmp (sl->name, name, len)) |
ed1f651b | 5978 | { |
79aff5ac | 5979 | name = *(sl->ptr_spec); |
20df0482 | 5980 | #ifdef DEBUG_SPECS |
3ce9f090 JM |
5981 | fnotice (stderr, "Processing spec (%s), which is '%s'\n", |
5982 | sl->name, name); | |
20df0482 | 5983 | #endif |
ed1f651b RS |
5984 | break; |
5985 | } | |
5986 | ||
5987 | if (sl) | |
5988 | { | |
3ce9f090 JM |
5989 | value = do_spec_1 (name, 0, NULL); |
5990 | if (value != 0) | |
5991 | return value; | |
ed1f651b | 5992 | } |
b3865ca9 | 5993 | |
3ce9f090 | 5994 | /* Discard the closing paren. */ |
b3865ca9 RS |
5995 | if (*p) |
5996 | p++; | |
ed1f651b RS |
5997 | } |
5998 | break; | |
5999 | ||
6000 | default: | |
bdc6b402 | 6001 | error ("spec failure: unrecognized spec option %qc", c); |
3ac63d94 | 6002 | break; |
ed1f651b RS |
6003 | } |
6004 | break; | |
6005 | ||
6006 | case '\\': | |
6007 | /* Backslash: treat next character as ordinary. */ | |
6008 | c = *p++; | |
6009 | ||
938d968e | 6010 | /* Fall through. */ |
ed1f651b RS |
6011 | default: |
6012 | /* Ordinary character: put it into the current argument. */ | |
6013 | obstack_1grow (&obstack, c); | |
6014 | arg_going = 1; | |
6015 | } | |
6016 | ||
f3226a90 JT |
6017 | /* End of string. If we are processing a spec function, we need to |
6018 | end any pending argument. */ | |
13e7cedb DH |
6019 | if (processing_spec_function) |
6020 | end_going_arg (); | |
f3226a90 | 6021 | |
d25a45d4 | 6022 | return 0; |
ed1f651b RS |
6023 | } |
6024 | ||
f3226a90 JT |
6025 | /* Look up a spec function. */ |
6026 | ||
6027 | static const struct spec_function * | |
1d088dee | 6028 | lookup_spec_function (const char *name) |
f3226a90 | 6029 | { |
f3226a90 | 6030 | const struct spec_function *sf; |
f3226a90 | 6031 | |
4c360e1f RE |
6032 | for (sf = static_spec_functions; sf->name != NULL; sf++) |
6033 | if (strcmp (sf->name, name) == 0) | |
6034 | return sf; | |
f3226a90 JT |
6035 | |
6036 | return NULL; | |
6037 | } | |
6038 | ||
6039 | /* Evaluate a spec function. */ | |
6040 | ||
6041 | static const char * | |
1d088dee | 6042 | eval_spec_function (const char *func, const char *args) |
f3226a90 JT |
6043 | { |
6044 | const struct spec_function *sf; | |
6045 | const char *funcval; | |
6046 | ||
6047 | /* Saved spec processing context. */ | |
9771b263 | 6048 | vec<const_char_p> save_argbuf; |
f3226a90 JT |
6049 | |
6050 | int save_arg_going; | |
6051 | int save_delete_this_arg; | |
6052 | int save_this_is_output_file; | |
6053 | int save_this_is_library_file; | |
6054 | int save_input_from_pipe; | |
3beb864c | 6055 | int save_this_is_linker_script; |
f3226a90 JT |
6056 | const char *save_suffix_subst; |
6057 | ||
b50ff8bb | 6058 | int save_growing_size; |
f87604f8 | 6059 | void *save_growing_value = NULL; |
f3226a90 JT |
6060 | |
6061 | sf = lookup_spec_function (func); | |
6062 | if (sf == NULL) | |
40fecdd6 | 6063 | fatal_error (input_location, "unknown spec function %qs", func); |
f3226a90 JT |
6064 | |
6065 | /* Push the spec processing context. */ | |
f3226a90 JT |
6066 | save_argbuf = argbuf; |
6067 | ||
6068 | save_arg_going = arg_going; | |
6069 | save_delete_this_arg = delete_this_arg; | |
6070 | save_this_is_output_file = this_is_output_file; | |
6071 | save_this_is_library_file = this_is_library_file; | |
3beb864c | 6072 | save_this_is_linker_script = this_is_linker_script; |
f3226a90 JT |
6073 | save_input_from_pipe = input_from_pipe; |
6074 | save_suffix_subst = suffix_subst; | |
6075 | ||
b50ff8bb OH |
6076 | /* If we have some object growing now, finalize it so the args and function |
6077 | eval proceed from a cleared context. This is needed to prevent the first | |
6078 | constructed arg from mistakenly including the growing value. We'll push | |
6079 | this value back on the obstack once the function evaluation is done, to | |
6080 | restore a consistent processing context for our caller. This is fine as | |
6081 | the address of growing objects isn't guaranteed to remain stable until | |
6082 | they are finalized, and we expect this situation to be rare enough for | |
6083 | the extra copy not to be an issue. */ | |
6084 | save_growing_size = obstack_object_size (&obstack); | |
6085 | if (save_growing_size > 0) | |
6086 | save_growing_value = obstack_finish (&obstack); | |
6087 | ||
f3226a90 JT |
6088 | /* Create a new spec processing context, and build the function |
6089 | arguments. */ | |
6090 | ||
6091 | alloc_args (); | |
6092 | if (do_spec_2 (args) < 0) | |
40fecdd6 | 6093 | fatal_error (input_location, "error in args to spec function %qs", func); |
f3226a90 JT |
6094 | |
6095 | /* argbuf_index is an index for the next argument to be inserted, and | |
6096 | so contains the count of the args already inserted. */ | |
6097 | ||
9771b263 DN |
6098 | funcval = (*sf->func) (argbuf.length (), |
6099 | argbuf.address ()); | |
f3226a90 JT |
6100 | |
6101 | /* Pop the spec processing context. */ | |
9771b263 | 6102 | argbuf.release (); |
f3226a90 JT |
6103 | argbuf = save_argbuf; |
6104 | ||
6105 | arg_going = save_arg_going; | |
6106 | delete_this_arg = save_delete_this_arg; | |
6107 | this_is_output_file = save_this_is_output_file; | |
6108 | this_is_library_file = save_this_is_library_file; | |
3beb864c | 6109 | this_is_linker_script = save_this_is_linker_script; |
f3226a90 JT |
6110 | input_from_pipe = save_input_from_pipe; |
6111 | suffix_subst = save_suffix_subst; | |
6112 | ||
b50ff8bb OH |
6113 | if (save_growing_size > 0) |
6114 | obstack_grow (&obstack, save_growing_value, save_growing_size); | |
6115 | ||
f3226a90 JT |
6116 | return funcval; |
6117 | } | |
6118 | ||
6119 | /* Handle a spec function call of the form: | |
6120 | ||
6121 | %:function(args) | |
6122 | ||
6123 | ARGS is processed as a spec in a separate context and split into an | |
6124 | argument vector in the normal fashion. The function returns a string | |
6125 | containing a spec which we then process in the caller's context, or | |
de5a5fa1 MP |
6126 | NULL if no processing is required. |
6127 | ||
6128 | If RETVAL_NONNULL is not NULL, then store a bool whether function | |
6129 | returned non-NULL. */ | |
f3226a90 JT |
6130 | |
6131 | static const char * | |
de5a5fa1 | 6132 | handle_spec_function (const char *p, bool *retval_nonnull) |
f3226a90 JT |
6133 | { |
6134 | char *func, *args; | |
6135 | const char *endp, *funcval; | |
6136 | int count; | |
6137 | ||
6138 | processing_spec_function++; | |
6139 | ||
6140 | /* Get the function name. */ | |
6141 | for (endp = p; *endp != '\0'; endp++) | |
6142 | { | |
6143 | if (*endp == '(') /* ) */ | |
6144 | break; | |
6145 | /* Only allow [A-Za-z0-9], -, and _ in function names. */ | |
6146 | if (!ISALNUM (*endp) && !(*endp == '-' || *endp == '_')) | |
40fecdd6 | 6147 | fatal_error (input_location, "malformed spec function name"); |
f3226a90 JT |
6148 | } |
6149 | if (*endp != '(') /* ) */ | |
40fecdd6 | 6150 | fatal_error (input_location, "no arguments for spec function"); |
f3226a90 JT |
6151 | func = save_string (p, endp - p); |
6152 | p = ++endp; | |
6153 | ||
6154 | /* Get the arguments. */ | |
6155 | for (count = 0; *endp != '\0'; endp++) | |
6156 | { | |
6157 | /* ( */ | |
6158 | if (*endp == ')') | |
6159 | { | |
6160 | if (count == 0) | |
6161 | break; | |
6162 | count--; | |
6163 | } | |
6164 | else if (*endp == '(') /* ) */ | |
6165 | count++; | |
6166 | } | |
6167 | /* ( */ | |
6168 | if (*endp != ')') | |
40fecdd6 | 6169 | fatal_error (input_location, "malformed spec function arguments"); |
f3226a90 JT |
6170 | args = save_string (p, endp - p); |
6171 | p = ++endp; | |
6172 | ||
6173 | /* p now points to just past the end of the spec function expression. */ | |
6174 | ||
6175 | funcval = eval_spec_function (func, args); | |
6176 | if (funcval != NULL && do_spec_1 (funcval, 0, NULL) < 0) | |
6177 | p = NULL; | |
de5a5fa1 MP |
6178 | if (retval_nonnull) |
6179 | *retval_nonnull = funcval != NULL; | |
f3226a90 JT |
6180 | |
6181 | free (func); | |
6182 | free (args); | |
6183 | ||
6184 | processing_spec_function--; | |
6185 | ||
6186 | return p; | |
6187 | } | |
6188 | ||
4977bab6 ZW |
6189 | /* Inline subroutine of handle_braces. Returns true if the current |
6190 | input suffix matches the atom bracketed by ATOM and END_ATOM. */ | |
6191 | static inline bool | |
1d088dee | 6192 | input_suffix_matches (const char *atom, const char *end_atom) |
4977bab6 ZW |
6193 | { |
6194 | return (input_suffix | |
6195 | && !strncmp (input_suffix, atom, end_atom - atom) | |
6196 | && input_suffix[end_atom - atom] == '\0'); | |
6197 | } | |
ed1f651b | 6198 | |
48137d59 GK |
6199 | /* Subroutine of handle_braces. Returns true if the current |
6200 | input file's spec name matches the atom bracketed by ATOM and END_ATOM. */ | |
6201 | static bool | |
6202 | input_spec_matches (const char *atom, const char *end_atom) | |
6203 | { | |
6204 | return (input_file_compiler | |
6205 | && input_file_compiler->suffix | |
6206 | && input_file_compiler->suffix[0] != '\0' | |
6207 | && !strncmp (input_file_compiler->suffix + 1, atom, | |
6208 | end_atom - atom) | |
6209 | && input_file_compiler->suffix[end_atom - atom + 1] == '\0'); | |
6210 | } | |
6211 | ||
953ff289 | 6212 | /* Subroutine of handle_braces. Returns true if a switch |
4977bab6 ZW |
6213 | matching the atom bracketed by ATOM and END_ATOM appeared on the |
6214 | command line. */ | |
953ff289 | 6215 | static bool |
1d088dee | 6216 | switch_matches (const char *atom, const char *end_atom, int starred) |
ed1f651b | 6217 | { |
4977bab6 ZW |
6218 | int i; |
6219 | int len = end_atom - atom; | |
6220 | int plen = starred ? len : -1; | |
ed1f651b | 6221 | |
4977bab6 ZW |
6222 | for (i = 0; i < n_switches; i++) |
6223 | if (!strncmp (switches[i].part1, atom, len) | |
6224 | && (starred || switches[i].part1[len] == '\0') | |
6225 | && check_live_switch (i, plen)) | |
6226 | return true; | |
8097c429 | 6227 | |
5371f719 MG |
6228 | /* Check if a switch with separated form matching the atom. |
6229 | We check -D and -U switches. */ | |
6230 | else if (switches[i].args != 0) | |
6231 | { | |
6232 | if ((*switches[i].part1 == 'D' || *switches[i].part1 == 'U') | |
6233 | && *switches[i].part1 == atom[0]) | |
6234 | { | |
6235 | if (!strncmp (switches[i].args[0], &atom[1], len - 1) | |
6236 | && (starred || (switches[i].part1[1] == '\0' | |
6237 | && switches[i].args[0][len - 1] == '\0')) | |
6238 | && check_live_switch (i, (starred ? 1 : -1))) | |
6239 | return true; | |
6240 | } | |
6241 | } | |
6242 | ||
4977bab6 ZW |
6243 | return false; |
6244 | } | |
ed1f651b | 6245 | |
4977bab6 ZW |
6246 | /* Inline subroutine of handle_braces. Mark all of the switches which |
6247 | match ATOM (extends to END_ATOM; STARRED indicates whether there | |
6248 | was a star after the atom) for later processing. */ | |
6249 | static inline void | |
1d088dee | 6250 | mark_matching_switches (const char *atom, const char *end_atom, int starred) |
4977bab6 ZW |
6251 | { |
6252 | int i; | |
6253 | int len = end_atom - atom; | |
6254 | int plen = starred ? len : -1; | |
6255 | ||
6256 | for (i = 0; i < n_switches; i++) | |
6257 | if (!strncmp (switches[i].part1, atom, len) | |
6258 | && (starred || switches[i].part1[len] == '\0') | |
6259 | && check_live_switch (i, plen)) | |
6260 | switches[i].ordering = 1; | |
6261 | } | |
9bf09437 | 6262 | |
4977bab6 ZW |
6263 | /* Inline subroutine of handle_braces. Process all the currently |
6264 | marked switches through give_switch, and clear the marks. */ | |
6265 | static inline void | |
1d088dee | 6266 | process_marked_switches (void) |
4977bab6 ZW |
6267 | { |
6268 | int i; | |
ed1f651b | 6269 | |
4977bab6 ZW |
6270 | for (i = 0; i < n_switches; i++) |
6271 | if (switches[i].ordering == 1) | |
6272 | { | |
6273 | switches[i].ordering = 0; | |
6274 | give_switch (i, 0); | |
6275 | } | |
6276 | } | |
ed1f651b | 6277 | |
4977bab6 ZW |
6278 | /* Handle a %{ ... } construct. P points just inside the leading {. |
6279 | Returns a pointer one past the end of the brace block, or 0 | |
6280 | if we call do_spec_1 and that returns -1. */ | |
ed1f651b | 6281 | |
4977bab6 | 6282 | static const char * |
1d088dee | 6283 | handle_braces (const char *p) |
4977bab6 ZW |
6284 | { |
6285 | const char *atom, *end_atom; | |
6286 | const char *d_atom = NULL, *d_end_atom = NULL; | |
31c83050 JD |
6287 | char *esc_buf = NULL, *d_esc_buf = NULL; |
6288 | int esc; | |
3b5edfee | 6289 | const char *orig = p; |
8097c429 | 6290 | |
4977bab6 | 6291 | bool a_is_suffix; |
48137d59 | 6292 | bool a_is_spectype; |
4977bab6 ZW |
6293 | bool a_is_starred; |
6294 | bool a_is_negated; | |
6295 | bool a_matched; | |
9bf09437 | 6296 | |
4977bab6 ZW |
6297 | bool a_must_be_last = false; |
6298 | bool ordered_set = false; | |
6299 | bool disjunct_set = false; | |
6300 | bool disj_matched = false; | |
6301 | bool disj_starred = true; | |
6302 | bool n_way_choice = false; | |
6303 | bool n_way_matched = false; | |
6304 | ||
6305 | #define SKIP_WHITE() do { while (*p == ' ' || *p == '\t') p++; } while (0) | |
9bf09437 | 6306 | |
4977bab6 | 6307 | do |
ed1f651b | 6308 | { |
4977bab6 | 6309 | if (a_must_be_last) |
3b5edfee | 6310 | goto invalid; |
9bf09437 | 6311 | |
4977bab6 | 6312 | /* Scan one "atom" (S in the description above of %{}, possibly |
48137d59 GK |
6313 | with '!', '.', '@', ',', or '*' modifiers). */ |
6314 | a_matched = false; | |
6315 | a_is_suffix = false; | |
6316 | a_is_starred = false; | |
6317 | a_is_negated = false; | |
6318 | a_is_spectype = false; | |
9218435e | 6319 | |
c3284718 | 6320 | SKIP_WHITE (); |
4977bab6 ZW |
6321 | if (*p == '!') |
6322 | p++, a_is_negated = true; | |
ed1f651b | 6323 | |
c3284718 | 6324 | SKIP_WHITE (); |
de5a5fa1 MP |
6325 | if (*p == '%' && p[1] == ':') |
6326 | { | |
6327 | atom = NULL; | |
6328 | end_atom = NULL; | |
6329 | p = handle_spec_function (p + 2, &a_matched); | |
6330 | } | |
6331 | else | |
6332 | { | |
6333 | if (*p == '.') | |
6334 | p++, a_is_suffix = true; | |
6335 | else if (*p == ',') | |
6336 | p++, a_is_spectype = true; | |
6337 | ||
6338 | atom = p; | |
31c83050 | 6339 | esc = 0; |
c3284718 | 6340 | while (ISIDNUM (*p) || *p == '-' || *p == '+' || *p == '=' |
31c83050 JD |
6341 | || *p == ',' || *p == '.' || *p == '@' || *p == '\\') |
6342 | { | |
6343 | if (*p == '\\') | |
6344 | { | |
6345 | p++; | |
6346 | if (!*p) | |
6347 | fatal_error (input_location, | |
6348 | "braced spec %qs ends in escape", orig); | |
6349 | esc++; | |
6350 | } | |
6351 | p++; | |
6352 | } | |
de5a5fa1 | 6353 | end_atom = p; |
ed1f651b | 6354 | |
31c83050 JD |
6355 | if (esc) |
6356 | { | |
6357 | const char *ap; | |
6358 | char *ep; | |
6359 | ||
6360 | if (esc_buf && esc_buf != d_esc_buf) | |
6361 | free (esc_buf); | |
6362 | esc_buf = NULL; | |
6363 | ep = esc_buf = (char *) xmalloc (end_atom - atom - esc + 1); | |
6364 | for (ap = atom; ap != end_atom; ap++, ep++) | |
6365 | { | |
6366 | if (*ap == '\\') | |
6367 | ap++; | |
6368 | *ep = *ap; | |
6369 | } | |
6370 | *ep = '\0'; | |
6371 | atom = esc_buf; | |
6372 | end_atom = ep; | |
6373 | } | |
6374 | ||
de5a5fa1 MP |
6375 | if (*p == '*') |
6376 | p++, a_is_starred = 1; | |
6377 | } | |
196a37f4 | 6378 | |
c3284718 | 6379 | SKIP_WHITE (); |
3b5edfee | 6380 | switch (*p) |
4977bab6 | 6381 | { |
3b5edfee | 6382 | case '&': case '}': |
4977bab6 ZW |
6383 | /* Substitute the switch(es) indicated by the current atom. */ |
6384 | ordered_set = true; | |
6385 | if (disjunct_set || n_way_choice || a_is_negated || a_is_suffix | |
48137d59 | 6386 | || a_is_spectype || atom == end_atom) |
3b5edfee | 6387 | goto invalid; |
ed1f651b | 6388 | |
4977bab6 ZW |
6389 | mark_matching_switches (atom, end_atom, a_is_starred); |
6390 | ||
6391 | if (*p == '}') | |
6392 | process_marked_switches (); | |
3b5edfee NS |
6393 | break; |
6394 | ||
6395 | case '|': case ':': | |
4977bab6 ZW |
6396 | /* Substitute some text if the current atom appears as a switch |
6397 | or suffix. */ | |
6398 | disjunct_set = true; | |
6399 | if (ordered_set) | |
3b5edfee | 6400 | goto invalid; |
ed1f651b | 6401 | |
de5a5fa1 | 6402 | if (atom && atom == end_atom) |
ed1f651b | 6403 | { |
4977bab6 | 6404 | if (!n_way_choice || disj_matched || *p == '|' |
b8698a0f | 6405 | || a_is_negated || a_is_suffix || a_is_spectype |
48137d59 | 6406 | || a_is_starred) |
3b5edfee | 6407 | goto invalid; |
4977bab6 ZW |
6408 | |
6409 | /* An empty term may appear as the last choice of an | |
6410 | N-way choice set; it means "otherwise". */ | |
6411 | a_must_be_last = true; | |
6412 | disj_matched = !n_way_matched; | |
6413 | disj_starred = false; | |
ed1f651b | 6414 | } |
4977bab6 | 6415 | else |
ed1f651b | 6416 | { |
48137d59 GK |
6417 | if ((a_is_suffix || a_is_spectype) && a_is_starred) |
6418 | goto invalid; | |
3beb864c | 6419 | |
48137d59 GK |
6420 | if (!a_is_starred) |
6421 | disj_starred = false; | |
6422 | ||
6423 | /* Don't bother testing this atom if we already have a | |
6424 | match. */ | |
6425 | if (!disj_matched && !n_way_matched) | |
6426 | { | |
de5a5fa1 MP |
6427 | if (atom == NULL) |
6428 | /* a_matched is already set by handle_spec_function. */; | |
6429 | else if (a_is_suffix) | |
48137d59 GK |
6430 | a_matched = input_suffix_matches (atom, end_atom); |
6431 | else if (a_is_spectype) | |
6432 | a_matched = input_spec_matches (atom, end_atom); | |
6433 | else | |
6434 | a_matched = switch_matches (atom, end_atom, a_is_starred); | |
3beb864c | 6435 | |
48137d59 GK |
6436 | if (a_matched != a_is_negated) |
6437 | { | |
6438 | disj_matched = true; | |
6439 | d_atom = atom; | |
6440 | d_end_atom = end_atom; | |
31c83050 | 6441 | d_esc_buf = esc_buf; |
48137d59 GK |
6442 | } |
6443 | } | |
ed1f651b | 6444 | } |
ed1f651b | 6445 | |
4977bab6 | 6446 | if (*p == ':') |
ed1f651b | 6447 | { |
4977bab6 ZW |
6448 | /* Found the body, that is, the text to substitute if the |
6449 | current disjunction matches. */ | |
6450 | p = process_brace_body (p + 1, d_atom, d_end_atom, disj_starred, | |
6451 | disj_matched && !n_way_matched); | |
6452 | if (p == 0) | |
31c83050 | 6453 | goto done; |
ed1f651b | 6454 | |
4977bab6 ZW |
6455 | /* If we have an N-way choice, reset state for the next |
6456 | disjunction. */ | |
6457 | if (*p == ';') | |
ed1f651b | 6458 | { |
4977bab6 ZW |
6459 | n_way_choice = true; |
6460 | n_way_matched |= disj_matched; | |
6461 | disj_matched = false; | |
6462 | disj_starred = true; | |
6463 | d_atom = d_end_atom = NULL; | |
ed1f651b RS |
6464 | } |
6465 | } | |
3b5edfee NS |
6466 | break; |
6467 | ||
6468 | default: | |
6469 | goto invalid; | |
ed1f651b | 6470 | } |
4977bab6 ZW |
6471 | } |
6472 | while (*p++ != '}'); | |
ed1f651b | 6473 | |
31c83050 JD |
6474 | done: |
6475 | if (d_esc_buf && d_esc_buf != esc_buf) | |
6476 | free (d_esc_buf); | |
6477 | if (esc_buf) | |
6478 | free (esc_buf); | |
6479 | ||
4977bab6 | 6480 | return p; |
7904f95f | 6481 | |
3b5edfee | 6482 | invalid: |
40fecdd6 | 6483 | fatal_error (input_location, "braced spec %qs is invalid at %qc", orig, *p); |
7904f95f | 6484 | |
4977bab6 ZW |
6485 | #undef SKIP_WHITE |
6486 | } | |
6487 | ||
6488 | /* Subroutine of handle_braces. Scan and process a brace substitution body | |
6489 | (X in the description of %{} syntax). P points one past the colon; | |
6490 | ATOM and END_ATOM bracket the first atom which was found to be true | |
6491 | (present) in the current disjunction; STARRED indicates whether all | |
6492 | the atoms in the current disjunction were starred (for syntax validation); | |
6493 | MATCHED indicates whether the disjunction matched or not, and therefore | |
6494 | whether or not the body is to be processed through do_spec_1 or just | |
6495 | skipped. Returns a pointer to the closing } or ;, or 0 if do_spec_1 | |
6496 | returns -1. */ | |
6497 | ||
6498 | static const char * | |
1d088dee AJ |
6499 | process_brace_body (const char *p, const char *atom, const char *end_atom, |
6500 | int starred, int matched) | |
4977bab6 ZW |
6501 | { |
6502 | const char *body, *end_body; | |
6503 | unsigned int nesting_level; | |
6504 | bool have_subst = false; | |
6505 | ||
6506 | /* Locate the closing } or ;, honoring nested braces. | |
6507 | Trim trailing whitespace. */ | |
6508 | body = p; | |
6509 | nesting_level = 1; | |
6510 | for (;;) | |
6511 | { | |
6512 | if (*p == '{') | |
6513 | nesting_level++; | |
6514 | else if (*p == '}') | |
ed1f651b | 6515 | { |
4977bab6 ZW |
6516 | if (!--nesting_level) |
6517 | break; | |
ed1f651b | 6518 | } |
4977bab6 ZW |
6519 | else if (*p == ';' && nesting_level == 1) |
6520 | break; | |
6521 | else if (*p == '%' && p[1] == '*' && nesting_level == 1) | |
6522 | have_subst = true; | |
6523 | else if (*p == '\0') | |
3b5edfee | 6524 | goto invalid; |
4977bab6 | 6525 | p++; |
ed1f651b | 6526 | } |
1d088dee | 6527 | |
4977bab6 ZW |
6528 | end_body = p; |
6529 | while (end_body[-1] == ' ' || end_body[-1] == '\t') | |
6530 | end_body--; | |
ed1f651b | 6531 | |
4977bab6 | 6532 | if (have_subst && !starred) |
3b5edfee | 6533 | goto invalid; |
9bf09437 | 6534 | |
4977bab6 | 6535 | if (matched) |
196a37f4 | 6536 | { |
4977bab6 ZW |
6537 | /* Copy the substitution body to permanent storage and execute it. |
6538 | If have_subst is false, this is a simple matter of running the | |
6539 | body through do_spec_1... */ | |
6540 | char *string = save_string (body, end_body - body); | |
6541 | if (!have_subst) | |
6542 | { | |
6543 | if (do_spec_1 (string, 0, NULL) < 0) | |
9376dd63 DM |
6544 | { |
6545 | free (string); | |
6546 | return 0; | |
6547 | } | |
4977bab6 ZW |
6548 | } |
6549 | else | |
6550 | { | |
6551 | /* ... but if have_subst is true, we have to process the | |
6552 | body once for each matching switch, with %* set to the | |
6553 | variant part of the switch. */ | |
6554 | unsigned int hard_match_len = end_atom - atom; | |
6555 | int i; | |
196a37f4 | 6556 | |
4977bab6 ZW |
6557 | for (i = 0; i < n_switches; i++) |
6558 | if (!strncmp (switches[i].part1, atom, hard_match_len) | |
6559 | && check_live_switch (i, hard_match_len)) | |
6560 | { | |
6561 | if (do_spec_1 (string, 0, | |
6562 | &switches[i].part1[hard_match_len]) < 0) | |
9376dd63 DM |
6563 | { |
6564 | free (string); | |
6565 | return 0; | |
6566 | } | |
4977bab6 ZW |
6567 | /* Pass any arguments this switch has. */ |
6568 | give_switch (i, 1); | |
6569 | suffix_subst = NULL; | |
6570 | } | |
6571 | } | |
9376dd63 | 6572 | free (string); |
10ebf5fe NB |
6573 | } |
6574 | ||
4977bab6 | 6575 | return p; |
3b5edfee NS |
6576 | |
6577 | invalid: | |
40fecdd6 | 6578 | fatal_error (input_location, "braced spec body %qs is invalid", body); |
ed1f651b | 6579 | } |
f5b0eb4e | 6580 | \f |
6c396fb5 RK |
6581 | /* Return 0 iff switch number SWITCHNUM is obsoleted by a later switch |
6582 | on the command line. PREFIX_LENGTH is the length of XXX in an {XXX*} | |
6583 | spec, or -1 if either exact match or %* is used. | |
f5b0eb4e | 6584 | |
99ea153e | 6585 | A -O switch is obsoleted by a later -O switch. A -f, -g, -m, or -W switch |
f5b0eb4e RK |
6586 | whose value does not begin with "no-" is obsoleted by the same value |
6587 | with the "no-", similarly for a switch with the "no-" prefix. */ | |
6588 | ||
6589 | static int | |
1d088dee | 6590 | check_live_switch (int switchnum, int prefix_length) |
f5b0eb4e | 6591 | { |
878f32c3 | 6592 | const char *name = switches[switchnum].part1; |
f5b0eb4e RK |
6593 | int i; |
6594 | ||
2153915d AO |
6595 | /* If we already processed this switch and determined if it was |
6596 | live or not, return our past determination. */ | |
6597 | if (switches[switchnum].live_cond != 0) | |
6598 | return ((switches[switchnum].live_cond & SWITCH_LIVE) != 0 | |
6599 | && (switches[switchnum].live_cond & SWITCH_FALSE) == 0 | |
94b90527 JJ |
6600 | && (switches[switchnum].live_cond & SWITCH_IGNORE_PERMANENTLY) |
6601 | == 0); | |
2153915d | 6602 | |
6c396fb5 | 6603 | /* In the common case of {<at-most-one-letter>*}, a negating |
f5b0eb4e RK |
6604 | switch would always match, so ignore that case. We will just |
6605 | send the conflicting switches to the compiler phase. */ | |
6c396fb5 | 6606 | if (prefix_length >= 0 && prefix_length <= 1) |
f5b0eb4e RK |
6607 | return 1; |
6608 | ||
f5b0eb4e RK |
6609 | /* Now search for duplicate in a manner that depends on the name. */ |
6610 | switch (*name) | |
6611 | { | |
6612 | case 'O': | |
d25a45d4 KH |
6613 | for (i = switchnum + 1; i < n_switches; i++) |
6614 | if (switches[i].part1[0] == 'O') | |
6615 | { | |
d168aaee | 6616 | switches[switchnum].validated = true; |
d25a45d4 KH |
6617 | switches[switchnum].live_cond = SWITCH_FALSE; |
6618 | return 0; | |
6619 | } | |
f5b0eb4e | 6620 | break; |
ed1f651b | 6621 | |
99ea153e | 6622 | case 'W': case 'f': case 'm': case 'g': |
6c396fb5 | 6623 | if (! strncmp (name + 1, "no-", 3)) |
f5b0eb4e | 6624 | { |
0f41302f | 6625 | /* We have Xno-YYY, search for XYYY. */ |
f5b0eb4e RK |
6626 | for (i = switchnum + 1; i < n_switches; i++) |
6627 | if (switches[i].part1[0] == name[0] | |
6628 | && ! strcmp (&switches[i].part1[1], &name[4])) | |
d25a45d4 | 6629 | { |
d168aaee CB |
6630 | /* --specs are validated with the validate_switches mechanism. */ |
6631 | if (switches[switchnum].known) | |
6632 | switches[switchnum].validated = true; | |
d25a45d4 KH |
6633 | switches[switchnum].live_cond = SWITCH_FALSE; |
6634 | return 0; | |
6635 | } | |
f5b0eb4e RK |
6636 | } |
6637 | else | |
6638 | { | |
6639 | /* We have XYYY, search for Xno-YYY. */ | |
6640 | for (i = switchnum + 1; i < n_switches; i++) | |
6641 | if (switches[i].part1[0] == name[0] | |
6642 | && switches[i].part1[1] == 'n' | |
6643 | && switches[i].part1[2] == 'o' | |
6644 | && switches[i].part1[3] == '-' | |
6645 | && !strcmp (&switches[i].part1[4], &name[1])) | |
d25a45d4 | 6646 | { |
d168aaee CB |
6647 | /* --specs are validated with the validate_switches mechanism. */ |
6648 | if (switches[switchnum].known) | |
6649 | switches[switchnum].validated = true; | |
d25a45d4 KH |
6650 | switches[switchnum].live_cond = SWITCH_FALSE; |
6651 | return 0; | |
6652 | } | |
f5b0eb4e RK |
6653 | } |
6654 | break; | |
6655 | } | |
6656 | ||
6657 | /* Otherwise the switch is live. */ | |
3371362c | 6658 | switches[switchnum].live_cond |= SWITCH_LIVE; |
f5b0eb4e RK |
6659 | return 1; |
6660 | } | |
6661 | \f | |
ed1f651b RS |
6662 | /* Pass a switch to the current accumulating command |
6663 | in the same form that we received it. | |
6664 | SWITCHNUM identifies the switch; it is an index into | |
6665 | the vector of switches gcc received, which is `switches'. | |
6666 | This cannot fail since it never finishes a command line. | |
6667 | ||
4977bab6 | 6668 | If OMIT_FIRST_WORD is nonzero, then we omit .part1 of the argument. */ |
ed1f651b RS |
6669 | |
6670 | static void | |
1d088dee | 6671 | give_switch (int switchnum, int omit_first_word) |
ed1f651b | 6672 | { |
3371362c | 6673 | if ((switches[switchnum].live_cond & SWITCH_IGNORE) != 0) |
8097c429 TT |
6674 | return; |
6675 | ||
ed1f651b RS |
6676 | if (!omit_first_word) |
6677 | { | |
6496a589 KG |
6678 | do_spec_1 ("-", 0, NULL); |
6679 | do_spec_1 (switches[switchnum].part1, 1, NULL); | |
ed1f651b | 6680 | } |
1ba9a487 | 6681 | |
ed1f651b RS |
6682 | if (switches[switchnum].args != 0) |
6683 | { | |
fbd40359 | 6684 | const char **p; |
ed1f651b RS |
6685 | for (p = switches[switchnum].args; *p; p++) |
6686 | { | |
11972f66 NS |
6687 | const char *arg = *p; |
6688 | ||
4977bab6 | 6689 | do_spec_1 (" ", 0, NULL); |
11972f66 NS |
6690 | if (suffix_subst) |
6691 | { | |
6692 | unsigned length = strlen (arg); | |
e65677af | 6693 | int dot = 0; |
11972f66 NS |
6694 | |
6695 | while (length-- && !IS_DIR_SEPARATOR (arg[length])) | |
6696 | if (arg[length] == '.') | |
6697 | { | |
c3284718 | 6698 | (CONST_CAST (char *, arg))[length] = 0; |
e65677af | 6699 | dot = 1; |
11972f66 NS |
6700 | break; |
6701 | } | |
6496a589 | 6702 | do_spec_1 (arg, 1, NULL); |
e65677af | 6703 | if (dot) |
c3284718 | 6704 | (CONST_CAST (char *, arg))[length] = '.'; |
e65677af | 6705 | do_spec_1 (suffix_subst, 1, NULL); |
11972f66 NS |
6706 | } |
6707 | else | |
6496a589 | 6708 | do_spec_1 (arg, 1, NULL); |
ed1f651b RS |
6709 | } |
6710 | } | |
1ba9a487 | 6711 | |
6496a589 | 6712 | do_spec_1 (" ", 0, NULL); |
d168aaee | 6713 | switches[switchnum].validated = true; |
ed1f651b RS |
6714 | } |
6715 | \f | |
dc10fd96 JJ |
6716 | /* Print GCC configuration (e.g. version, thread model, target, |
6717 | configuration_arguments) to a given FILE. */ | |
6718 | ||
6719 | static void | |
6720 | print_configuration (FILE *file) | |
6721 | { | |
6722 | int n; | |
6723 | const char *thrmod; | |
6724 | ||
6725 | fnotice (file, "Target: %s\n", spec_machine); | |
6726 | fnotice (file, "Configured with: %s\n", configuration_arguments); | |
6727 | ||
6728 | #ifdef THREAD_MODEL_SPEC | |
6729 | /* We could have defined THREAD_MODEL_SPEC to "%*" by default, | |
6730 | but there's no point in doing all this processing just to get | |
6731 | thread_model back. */ | |
6732 | obstack_init (&obstack); | |
6733 | do_spec_1 (THREAD_MODEL_SPEC, 0, thread_model); | |
6734 | obstack_1grow (&obstack, '\0'); | |
6735 | thrmod = XOBFINISH (&obstack, const char *); | |
6736 | #else | |
6737 | thrmod = thread_model; | |
6738 | #endif | |
6739 | ||
6740 | fnotice (file, "Thread model: %s\n", thrmod); | |
6741 | ||
6742 | /* compiler_version is truncated at the first space when initialized | |
6743 | from version string, so truncate version_string at the first space | |
6744 | before comparing. */ | |
6745 | for (n = 0; version_string[n]; n++) | |
6746 | if (version_string[n] == ' ') | |
6747 | break; | |
6748 | ||
6749 | if (! strncmp (version_string, compiler_version, n) | |
6750 | && compiler_version[n] == 0) | |
29585247 | 6751 | fnotice (file, "gcc version %s %s\n", version_string, |
dc10fd96 JJ |
6752 | pkgversion_string); |
6753 | else | |
29585247 | 6754 | fnotice (file, "gcc driver version %s %sexecuting gcc version %s\n", |
dc10fd96 JJ |
6755 | version_string, pkgversion_string, compiler_version); |
6756 | ||
6757 | } | |
6758 | ||
6759 | #define RETRY_ICE_ATTEMPTS 3 | |
6760 | ||
6761 | /* Returns true if FILE1 and FILE2 contain equivalent data, 0 otherwise. */ | |
6762 | ||
6763 | static bool | |
6764 | files_equal_p (char *file1, char *file2) | |
6765 | { | |
6766 | struct stat st1, st2; | |
6767 | off_t n, len; | |
6768 | int fd1, fd2; | |
6769 | const int bufsize = 8192; | |
6770 | char *buf = XNEWVEC (char, bufsize); | |
6771 | ||
6772 | fd1 = open (file1, O_RDONLY); | |
6773 | fd2 = open (file2, O_RDONLY); | |
6774 | ||
6775 | if (fd1 < 0 || fd2 < 0) | |
6776 | goto error; | |
6777 | ||
6778 | if (fstat (fd1, &st1) < 0 || fstat (fd2, &st2) < 0) | |
6779 | goto error; | |
6780 | ||
6781 | if (st1.st_size != st2.st_size) | |
6782 | goto error; | |
6783 | ||
6784 | for (n = st1.st_size; n; n -= len) | |
6785 | { | |
6786 | len = n; | |
6787 | if ((int) len > bufsize / 2) | |
6788 | len = bufsize / 2; | |
6789 | ||
6790 | if (read (fd1, buf, len) != (int) len | |
6791 | || read (fd2, buf + bufsize / 2, len) != (int) len) | |
6792 | { | |
6793 | goto error; | |
6794 | } | |
6795 | ||
6796 | if (memcmp (buf, buf + bufsize / 2, len) != 0) | |
6797 | goto error; | |
6798 | } | |
6799 | ||
6800 | free (buf); | |
6801 | close (fd1); | |
6802 | close (fd2); | |
6803 | ||
6804 | return 1; | |
6805 | ||
6806 | error: | |
6807 | free (buf); | |
6808 | close (fd1); | |
6809 | close (fd2); | |
6810 | return 0; | |
6811 | } | |
6812 | ||
6813 | /* Check that compiler's output doesn't differ across runs. | |
6814 | TEMP_STDOUT_FILES and TEMP_STDERR_FILES are arrays of files, containing | |
6815 | stdout and stderr for each compiler run. Return true if all of | |
6816 | TEMP_STDOUT_FILES and TEMP_STDERR_FILES are equivalent. */ | |
6817 | ||
6818 | static bool | |
6819 | check_repro (char **temp_stdout_files, char **temp_stderr_files) | |
6820 | { | |
6821 | int i; | |
6822 | for (i = 0; i < RETRY_ICE_ATTEMPTS - 2; ++i) | |
6823 | { | |
6824 | if (!files_equal_p (temp_stdout_files[i], temp_stdout_files[i + 1]) | |
6825 | || !files_equal_p (temp_stderr_files[i], temp_stderr_files[i + 1])) | |
6826 | { | |
6827 | fnotice (stderr, "The bug is not reproducible, so it is" | |
6828 | " likely a hardware or OS problem.\n"); | |
6829 | break; | |
6830 | } | |
6831 | } | |
6832 | return i == RETRY_ICE_ATTEMPTS - 2; | |
6833 | } | |
6834 | ||
6835 | enum attempt_status { | |
6836 | ATTEMPT_STATUS_FAIL_TO_RUN, | |
6837 | ATTEMPT_STATUS_SUCCESS, | |
6838 | ATTEMPT_STATUS_ICE | |
6839 | }; | |
6840 | ||
6841 | ||
6842 | /* Run compiler with arguments NEW_ARGV to reproduce the ICE, storing stdout | |
6843 | to OUT_TEMP and stderr to ERR_TEMP. If APPEND is TRUE, append to OUT_TEMP | |
6844 | and ERR_TEMP instead of truncating. If EMIT_SYSTEM_INFO is TRUE, also write | |
6845 | GCC configuration into to ERR_TEMP. Return ATTEMPT_STATUS_FAIL_TO_RUN if | |
6846 | compiler failed to run, ATTEMPT_STATUS_ICE if compiled ICE-ed and | |
6847 | ATTEMPT_STATUS_SUCCESS otherwise. */ | |
6848 | ||
6849 | static enum attempt_status | |
6850 | run_attempt (const char **new_argv, const char *out_temp, | |
6851 | const char *err_temp, int emit_system_info, int append) | |
6852 | { | |
6853 | ||
6854 | if (emit_system_info) | |
6855 | { | |
6856 | FILE *file_out = fopen (err_temp, "a"); | |
6857 | print_configuration (file_out); | |
29585247 | 6858 | fputs ("\n", file_out); |
dc10fd96 JJ |
6859 | fclose (file_out); |
6860 | } | |
6861 | ||
6862 | int exit_status; | |
6863 | const char *errmsg; | |
6864 | struct pex_obj *pex; | |
6865 | int err; | |
6866 | int pex_flags = PEX_USE_PIPES | PEX_LAST; | |
6867 | enum attempt_status status = ATTEMPT_STATUS_FAIL_TO_RUN; | |
6868 | ||
6869 | if (append) | |
6870 | pex_flags |= PEX_STDOUT_APPEND | PEX_STDERR_APPEND; | |
6871 | ||
6872 | pex = pex_init (PEX_USE_PIPES, new_argv[0], NULL); | |
6873 | if (!pex) | |
40fecdd6 | 6874 | fatal_error (input_location, "pex_init failed: %m"); |
dc10fd96 JJ |
6875 | |
6876 | errmsg = pex_run (pex, pex_flags, new_argv[0], | |
6877 | CONST_CAST2 (char *const *, const char **, &new_argv[1]), out_temp, | |
6878 | err_temp, &err); | |
1120a850 TS |
6879 | if (errmsg != NULL) |
6880 | { | |
6881 | if (err == 0) | |
40fecdd6 | 6882 | fatal_error (input_location, errmsg); |
1120a850 TS |
6883 | else |
6884 | { | |
6885 | errno = err; | |
6886 | pfatal_with_name (errmsg); | |
6887 | } | |
6888 | } | |
dc10fd96 JJ |
6889 | |
6890 | if (!pex_get_status (pex, 1, &exit_status)) | |
6891 | goto out; | |
6892 | ||
6893 | switch (WEXITSTATUS (exit_status)) | |
6894 | { | |
6895 | case ICE_EXIT_CODE: | |
6896 | status = ATTEMPT_STATUS_ICE; | |
6897 | break; | |
6898 | ||
6899 | case SUCCESS_EXIT_CODE: | |
6900 | status = ATTEMPT_STATUS_SUCCESS; | |
6901 | break; | |
6902 | ||
6903 | default: | |
6904 | ; | |
6905 | } | |
6906 | ||
6907 | out: | |
6908 | pex_free (pex); | |
6909 | return status; | |
6910 | } | |
6911 | ||
f78a6ae4 MO |
6912 | /* This routine reads lines from IN file, adds C++ style comments |
6913 | at the begining of each line and writes result into OUT. */ | |
6914 | ||
6915 | static void | |
6916 | insert_comments (const char *file_in, const char *file_out) | |
6917 | { | |
6918 | FILE *in = fopen (file_in, "rb"); | |
6919 | FILE *out = fopen (file_out, "wb"); | |
6920 | char line[256]; | |
6921 | ||
6922 | bool add_comment = true; | |
6923 | while (fgets (line, sizeof (line), in)) | |
6924 | { | |
6925 | if (add_comment) | |
6926 | fputs ("// ", out); | |
6927 | fputs (line, out); | |
6928 | add_comment = strchr (line, '\n') != NULL; | |
6929 | } | |
6930 | ||
6931 | fclose (in); | |
6932 | fclose (out); | |
6933 | } | |
6934 | ||
dc10fd96 JJ |
6935 | /* This routine adds preprocessed source code into the given ERR_FILE. |
6936 | To do this, it adds "-E" to NEW_ARGV and execute RUN_ATTEMPT routine to | |
6937 | add information in report file. RUN_ATTEMPT should return | |
6938 | ATTEMPT_STATUS_SUCCESS, in other case we cannot generate the report. */ | |
6939 | ||
6940 | static void | |
6941 | do_report_bug (const char **new_argv, const int nargs, | |
6942 | char **out_file, char **err_file) | |
6943 | { | |
6944 | int i, status; | |
6945 | int fd = open (*out_file, O_RDWR | O_APPEND); | |
6946 | if (fd < 0) | |
6947 | return; | |
6948 | write (fd, "\n//", 3); | |
6949 | for (i = 0; i < nargs; i++) | |
6950 | { | |
6951 | write (fd, " ", 1); | |
6952 | write (fd, new_argv[i], strlen (new_argv[i])); | |
6953 | } | |
6954 | write (fd, "\n\n", 2); | |
6955 | close (fd); | |
6956 | new_argv[nargs] = "-E"; | |
6957 | new_argv[nargs + 1] = NULL; | |
6958 | ||
6959 | status = run_attempt (new_argv, *out_file, *err_file, 0, 1); | |
6960 | ||
6961 | if (status == ATTEMPT_STATUS_SUCCESS) | |
6962 | { | |
6963 | fnotice (stderr, "Preprocessed source stored into %s file," | |
6964 | " please attach this to your bugreport.\n", *out_file); | |
6965 | /* Make sure it is not deleted. */ | |
6966 | free (*out_file); | |
6967 | *out_file = NULL; | |
6968 | } | |
6969 | } | |
6970 | ||
dc10fd96 JJ |
6971 | /* Try to reproduce ICE. If bug is reproducible, generate report .err file |
6972 | containing GCC configuration, backtrace, compiler's command line options | |
6973 | and preprocessed source code. */ | |
6974 | ||
6975 | static void | |
1120a850 | 6976 | try_generate_repro (const char **argv) |
dc10fd96 JJ |
6977 | { |
6978 | int i, nargs, out_arg = -1, quiet = 0, attempt; | |
6979 | const char **new_argv; | |
6980 | char *temp_files[RETRY_ICE_ATTEMPTS * 2]; | |
6981 | char **temp_stdout_files = &temp_files[0]; | |
6982 | char **temp_stderr_files = &temp_files[RETRY_ICE_ATTEMPTS]; | |
6983 | ||
6984 | if (gcc_input_filename == NULL || ! strcmp (gcc_input_filename, "-")) | |
6985 | return; | |
6986 | ||
6987 | for (nargs = 0; argv[nargs] != NULL; ++nargs) | |
6988 | /* Only retry compiler ICEs, not preprocessor ones. */ | |
6989 | if (! strcmp (argv[nargs], "-E")) | |
6990 | return; | |
6991 | else if (argv[nargs][0] == '-' && argv[nargs][1] == 'o') | |
6992 | { | |
6993 | if (out_arg == -1) | |
6994 | out_arg = nargs; | |
6995 | else | |
6996 | return; | |
6997 | } | |
6998 | /* If the compiler is going to output any time information, | |
6999 | it might varry between invocations. */ | |
7000 | else if (! strcmp (argv[nargs], "-quiet")) | |
7001 | quiet = 1; | |
7002 | else if (! strcmp (argv[nargs], "-ftime-report")) | |
7003 | return; | |
7004 | ||
7005 | if (out_arg == -1 || !quiet) | |
7006 | return; | |
7007 | ||
7008 | memset (temp_files, '\0', sizeof (temp_files)); | |
7009 | new_argv = XALLOCAVEC (const char *, nargs + 4); | |
7010 | memcpy (new_argv, argv, (nargs + 1) * sizeof (const char *)); | |
7011 | new_argv[nargs++] = "-frandom-seed=0"; | |
7012 | new_argv[nargs++] = "-fdump-noaddr"; | |
7013 | new_argv[nargs] = NULL; | |
7014 | if (new_argv[out_arg][2] == '\0') | |
7015 | new_argv[out_arg + 1] = "-"; | |
7016 | else | |
7017 | new_argv[out_arg] = "-o-"; | |
7018 | ||
7019 | int status; | |
7020 | for (attempt = 0; attempt < RETRY_ICE_ATTEMPTS; ++attempt) | |
7021 | { | |
7022 | int emit_system_info = 0; | |
7023 | int append = 0; | |
7024 | temp_stdout_files[attempt] = make_temp_file (".out"); | |
7025 | temp_stderr_files[attempt] = make_temp_file (".err"); | |
7026 | ||
7027 | if (attempt == RETRY_ICE_ATTEMPTS - 1) | |
7028 | { | |
7029 | append = 1; | |
7030 | emit_system_info = 1; | |
7031 | } | |
7032 | ||
dc10fd96 JJ |
7033 | status = run_attempt (new_argv, temp_stdout_files[attempt], |
7034 | temp_stderr_files[attempt], emit_system_info, | |
7035 | append); | |
7036 | ||
dc10fd96 JJ |
7037 | if (status != ATTEMPT_STATUS_ICE) |
7038 | { | |
7039 | fnotice (stderr, "The bug is not reproducible, so it is" | |
7040 | " likely a hardware or OS problem.\n"); | |
7041 | goto out; | |
7042 | } | |
7043 | } | |
7044 | ||
7045 | if (!check_repro (temp_stdout_files, temp_stderr_files)) | |
7046 | goto out; | |
7047 | ||
f78a6ae4 MO |
7048 | { |
7049 | /* Insert commented out backtrace into report file. */ | |
7050 | char **stderr_commented = &temp_stdout_files[RETRY_ICE_ATTEMPTS - 1]; | |
7051 | insert_comments (temp_stderr_files[RETRY_ICE_ATTEMPTS - 1], | |
7052 | *stderr_commented); | |
7053 | ||
7054 | /* In final attempt we append compiler options and preprocesssed code to last | |
7055 | generated .out file with configuration and backtrace. */ | |
5190f1f9 JJ |
7056 | char **err = &temp_stderr_files[RETRY_ICE_ATTEMPTS - 1]; |
7057 | do_report_bug (new_argv, nargs, stderr_commented, err); | |
f78a6ae4 | 7058 | } |
dc10fd96 JJ |
7059 | |
7060 | out: | |
7061 | for (i = 0; i < RETRY_ICE_ATTEMPTS * 2; i++) | |
7062 | if (temp_files[i]) | |
7063 | { | |
7064 | unlink (temp_stdout_files[i]); | |
7065 | free (temp_stdout_files[i]); | |
7066 | } | |
7067 | } | |
7068 | ||
ed1f651b RS |
7069 | /* Search for a file named NAME trying various prefixes including the |
7070 | user's -B prefix and some standard ones. | |
7071 | Return the absolute file name found. If nothing is found, return NAME. */ | |
7072 | ||
878f32c3 | 7073 | static const char * |
1d088dee | 7074 | find_file (const char *name) |
ed1f651b | 7075 | { |
00dcee0c | 7076 | char *newname = find_a_file (&startfile_prefixes, name, R_OK, true); |
ed1f651b RS |
7077 | return newname ? newname : name; |
7078 | } | |
7079 | ||
0ad5835e | 7080 | /* Determine whether a directory exists. If LINKER, return 0 for |
00dcee0c | 7081 | certain fixed names not needed by the linker. */ |
ed1f651b RS |
7082 | |
7083 | static int | |
00dcee0c | 7084 | is_directory (const char *path1, bool linker) |
ed1f651b | 7085 | { |
00dcee0c AM |
7086 | int len1; |
7087 | char *path; | |
ed1f651b RS |
7088 | char *cp; |
7089 | struct stat st; | |
7090 | ||
00dcee0c AM |
7091 | /* Ensure the string ends with "/.". The resulting path will be a |
7092 | directory even if the given path is a symbolic link. */ | |
7093 | len1 = strlen (path1); | |
e1e4cdc4 | 7094 | path = (char *) alloca (3 + len1); |
7e2231e7 | 7095 | memcpy (path, path1, len1); |
00dcee0c | 7096 | cp = path + len1; |
509781a4 | 7097 | if (!IS_DIR_SEPARATOR (cp[-1])) |
48ff801b | 7098 | *cp++ = DIR_SEPARATOR; |
ed1f651b RS |
7099 | *cp++ = '.'; |
7100 | *cp = '\0'; | |
7101 | ||
7102 | /* Exclude directories that the linker is known to search. */ | |
0ad5835e | 7103 | if (linker |
00dcee0c | 7104 | && IS_DIR_SEPARATOR (path[0]) |
48ff801b | 7105 | && ((cp - path == 6 |
ba78087b | 7106 | && filename_ncmp (path + 1, "lib", 3) == 0) |
48ff801b | 7107 | || (cp - path == 10 |
ba78087b | 7108 | && filename_ncmp (path + 1, "usr", 3) == 0 |
00dcee0c | 7109 | && IS_DIR_SEPARATOR (path[4]) |
ba78087b | 7110 | && filename_ncmp (path + 5, "lib", 3) == 0))) |
ed1f651b RS |
7111 | return 0; |
7112 | ||
7113 | return (stat (path, &st) >= 0 && S_ISDIR (st.st_mode)); | |
7114 | } | |
512b62fb JM |
7115 | |
7116 | /* Set up the various global variables to indicate that we're processing | |
7117 | the input file named FILENAME. */ | |
7118 | ||
b856c15d | 7119 | void |
1d088dee | 7120 | set_input (const char *filename) |
512b62fb | 7121 | { |
b3694847 | 7122 | const char *p; |
512b62fb | 7123 | |
6afbc885 JM |
7124 | gcc_input_filename = filename; |
7125 | input_filename_length = strlen (gcc_input_filename); | |
7126 | input_basename = lbasename (gcc_input_filename); | |
512b62fb JM |
7127 | |
7128 | /* Find a suffix starting with the last period, | |
7129 | and set basename_length to exclude that suffix. */ | |
7130 | basename_length = strlen (input_basename); | |
ea414c97 | 7131 | suffixed_basename_length = basename_length; |
512b62fb | 7132 | p = input_basename + basename_length; |
d25a45d4 KH |
7133 | while (p != input_basename && *p != '.') |
7134 | --p; | |
512b62fb JM |
7135 | if (*p == '.' && p != input_basename) |
7136 | { | |
7137 | basename_length = p - input_basename; | |
7138 | input_suffix = p + 1; | |
7139 | } | |
7140 | else | |
7141 | input_suffix = ""; | |
589005ff | 7142 | |
99f78cdd | 7143 | /* If a spec for 'g', 'u', or 'U' is seen with -save-temps then |
6afbc885 | 7144 | we will need to do a stat on the gcc_input_filename. The |
99f78cdd IR |
7145 | INPUT_STAT_SET signals that the stat is needed. */ |
7146 | input_stat_set = 0; | |
512b62fb | 7147 | } |
ed1f651b RS |
7148 | \f |
7149 | /* On fatal signals, delete all the temporary files. */ | |
7150 | ||
7151 | static void | |
2dec80c7 | 7152 | fatal_signal (int signum) |
ed1f651b RS |
7153 | { |
7154 | signal (signum, SIG_DFL); | |
7155 | delete_failure_queue (); | |
7156 | delete_temp_files (); | |
7157 | /* Get the same signal again, this time not handled, | |
7158 | so its normal effect occurs. */ | |
7159 | kill (getpid (), signum); | |
7160 | } | |
7161 | ||
2153915d AO |
7162 | /* Compare the contents of the two files named CMPFILE[0] and |
7163 | CMPFILE[1]. Return zero if they're identical, nonzero | |
7164 | otherwise. */ | |
7165 | ||
7166 | static int | |
7167 | compare_files (char *cmpfile[]) | |
7168 | { | |
7169 | int ret = 0; | |
7170 | FILE *temp[2] = { NULL, NULL }; | |
7171 | int i; | |
7172 | ||
7173 | #if HAVE_MMAP_FILE | |
7174 | { | |
7175 | size_t length[2]; | |
7176 | void *map[2] = { NULL, NULL }; | |
7177 | ||
7178 | for (i = 0; i < 2; i++) | |
7179 | { | |
7180 | struct stat st; | |
7181 | ||
7182 | if (stat (cmpfile[i], &st) < 0 || !S_ISREG (st.st_mode)) | |
7183 | { | |
7184 | error ("%s: could not determine length of compare-debug file %s", | |
6afbc885 | 7185 | gcc_input_filename, cmpfile[i]); |
2153915d AO |
7186 | ret = 1; |
7187 | break; | |
7188 | } | |
7189 | ||
7190 | length[i] = st.st_size; | |
7191 | } | |
7192 | ||
7193 | if (!ret && length[0] != length[1]) | |
7194 | { | |
6afbc885 | 7195 | error ("%s: -fcompare-debug failure (length)", gcc_input_filename); |
2153915d AO |
7196 | ret = 1; |
7197 | } | |
7198 | ||
7199 | if (!ret) | |
7200 | for (i = 0; i < 2; i++) | |
7201 | { | |
7202 | int fd = open (cmpfile[i], O_RDONLY); | |
7203 | if (fd < 0) | |
7204 | { | |
7205 | error ("%s: could not open compare-debug file %s", | |
6afbc885 | 7206 | gcc_input_filename, cmpfile[i]); |
2153915d AO |
7207 | ret = 1; |
7208 | break; | |
7209 | } | |
7210 | ||
7211 | map[i] = mmap (NULL, length[i], PROT_READ, MAP_PRIVATE, fd, 0); | |
7212 | close (fd); | |
7213 | ||
7214 | if (map[i] == (void *) MAP_FAILED) | |
7215 | { | |
7216 | ret = -1; | |
7217 | break; | |
7218 | } | |
7219 | } | |
7220 | ||
7221 | if (!ret) | |
7222 | { | |
7223 | if (memcmp (map[0], map[1], length[0]) != 0) | |
7224 | { | |
6afbc885 | 7225 | error ("%s: -fcompare-debug failure", gcc_input_filename); |
2153915d AO |
7226 | ret = 1; |
7227 | } | |
7228 | } | |
7229 | ||
7230 | for (i = 0; i < 2; i++) | |
7231 | if (map[i]) | |
e7aae3e8 | 7232 | munmap ((caddr_t) map[i], length[i]); |
2153915d AO |
7233 | |
7234 | if (ret >= 0) | |
7235 | return ret; | |
7236 | ||
7237 | ret = 0; | |
7238 | } | |
7239 | #endif | |
7240 | ||
7241 | for (i = 0; i < 2; i++) | |
7242 | { | |
7243 | temp[i] = fopen (cmpfile[i], "r"); | |
7244 | if (!temp[i]) | |
7245 | { | |
7246 | error ("%s: could not open compare-debug file %s", | |
6afbc885 | 7247 | gcc_input_filename, cmpfile[i]); |
2153915d AO |
7248 | ret = 1; |
7249 | break; | |
7250 | } | |
7251 | } | |
7252 | ||
7253 | if (!ret && temp[0] && temp[1]) | |
7254 | for (;;) | |
7255 | { | |
7256 | int c0, c1; | |
7257 | c0 = fgetc (temp[0]); | |
7258 | c1 = fgetc (temp[1]); | |
7259 | ||
7260 | if (c0 != c1) | |
7261 | { | |
7262 | error ("%s: -fcompare-debug failure", | |
6afbc885 | 7263 | gcc_input_filename); |
2153915d AO |
7264 | ret = 1; |
7265 | break; | |
7266 | } | |
7267 | ||
7268 | if (c0 == EOF) | |
7269 | break; | |
7270 | } | |
7271 | ||
7272 | for (i = 1; i >= 0; i--) | |
7273 | { | |
7274 | if (temp[i]) | |
7275 | fclose (temp[i]); | |
7276 | } | |
7277 | ||
7278 | return ret; | |
7279 | } | |
7280 | ||
9376dd63 DM |
7281 | driver::driver (bool can_finalize, bool debug) : |
7282 | explicit_link_files (NULL), | |
98086b2b | 7283 | decoded_options (NULL) |
9376dd63 DM |
7284 | { |
7285 | env.init (can_finalize, debug); | |
7286 | } | |
7287 | ||
7288 | driver::~driver () | |
7289 | { | |
7290 | XDELETEVEC (explicit_link_files); | |
7291 | XDELETEVEC (decoded_options); | |
7292 | } | |
7293 | ||
742a072a DM |
7294 | /* driver::main is implemented as a series of driver:: method calls. */ |
7295 | ||
7296 | int | |
7297 | driver::main (int argc, char **argv) | |
7298 | { | |
7299 | bool early_exit; | |
7300 | ||
7301 | set_progname (argv[0]); | |
7302 | expand_at_files (&argc, &argv); | |
7303 | decode_argv (argc, const_cast <const char **> (argv)); | |
7304 | global_initializations (); | |
7305 | build_multilib_strings (); | |
7306 | set_up_specs (); | |
7307 | putenv_COLLECT_GCC (argv[0]); | |
7308 | maybe_putenv_COLLECT_LTO_WRAPPER (); | |
fc8b3540 | 7309 | maybe_putenv_OFFLOAD_TARGETS (); |
742a072a DM |
7310 | handle_unrecognized_options (); |
7311 | ||
d86c7648 ML |
7312 | if (completion) |
7313 | { | |
7314 | m_option_proposer.suggest_completion (completion); | |
7315 | return 0; | |
7316 | } | |
7317 | ||
742a072a DM |
7318 | if (!maybe_print_and_exit ()) |
7319 | return 0; | |
7320 | ||
7321 | early_exit = prepare_infiles (); | |
7322 | if (early_exit) | |
7323 | return get_exit_code (); | |
7324 | ||
7325 | do_spec_on_infiles (); | |
7326 | maybe_run_linker (argv[0]); | |
7327 | final_actions (); | |
7328 | return get_exit_code (); | |
7329 | } | |
7330 | ||
7331 | /* Locate the final component of argv[0] after any leading path, and set | |
7332 | the program name accordingly. */ | |
7333 | ||
7334 | void | |
7335 | driver::set_progname (const char *argv0) const | |
7336 | { | |
7337 | const char *p = argv0 + strlen (argv0); | |
7338 | while (p != argv0 && !IS_DIR_SEPARATOR (p[-1])) | |
509781a4 | 7339 | --p; |
6afbc885 | 7340 | progname = p; |
ed1f651b | 7341 | |
6afbc885 | 7342 | xmalloc_set_program_name (progname); |
742a072a | 7343 | } |
e1a132c6 | 7344 | |
742a072a DM |
7345 | /* Expand any @ files within the command-line args, |
7346 | setting at_file_supplied if any were expanded. */ | |
7347 | ||
7348 | void | |
7349 | driver::expand_at_files (int *argc, char ***argv) const | |
7350 | { | |
7351 | char **old_argv = *argv; | |
7352 | ||
7353 | expandargv (argc, argv); | |
9d530538 | 7354 | |
2091ff66 | 7355 | /* Determine if any expansions were made. */ |
742a072a | 7356 | if (*argv != old_argv) |
2091ff66 | 7357 | at_file_supplied = true; |
742a072a | 7358 | } |
2091ff66 | 7359 | |
742a072a DM |
7360 | /* Decode the command-line arguments from argc/argv into the |
7361 | decoded_options array. */ | |
7362 | ||
7363 | void | |
7364 | driver::decode_argv (int argc, const char **argv) | |
7365 | { | |
a7d0d30f JM |
7366 | /* Register the language-independent parameters. */ |
7367 | global_init_params (); | |
7368 | finish_params (); | |
7369 | ||
d6874f56 | 7370 | init_opts_obstack (); |
a7d0d30f | 7371 | init_options_struct (&global_options, &global_options_set); |
a75bfaa6 | 7372 | |
742a072a | 7373 | decode_cmdline_options_to_array (argc, argv, |
60cf253a JM |
7374 | CL_DRIVER, |
7375 | &decoded_options, &decoded_options_count); | |
742a072a DM |
7376 | } |
7377 | ||
7378 | /* Perform various initializations and setup. */ | |
14c7833c | 7379 | |
742a072a | 7380 | void |
acbb0489 | 7381 | driver::global_initializations () |
742a072a | 7382 | { |
98a3dad4 | 7383 | /* Unlock the stdio streams. */ |
2653bb0c | 7384 | unlock_std_streams (); |
98a3dad4 | 7385 | |
191bf464 | 7386 | gcc_init_libintl (); |
ab87f8c8 | 7387 | |
6afbc885 | 7388 | diagnostic_initialize (global_dc, 0); |
97aa8bb6 | 7389 | diagnostic_color_init (global_dc); |
ccbc132f RM |
7390 | |
7391 | #ifdef GCC_DRIVER_HOST_INITIALIZATION | |
7392 | /* Perform host dependent initialization when needed. */ | |
7393 | GCC_DRIVER_HOST_INITIALIZATION; | |
7394 | #endif | |
7395 | ||
6afbc885 | 7396 | if (atexit (delete_temp_files) != 0) |
40fecdd6 | 7397 | fatal_error (input_location, "atexit failed"); |
6afbc885 | 7398 | |
ed1f651b | 7399 | if (signal (SIGINT, SIG_IGN) != SIG_IGN) |
2dec80c7 | 7400 | signal (SIGINT, fatal_signal); |
2a353d3a | 7401 | #ifdef SIGHUP |
ed1f651b | 7402 | if (signal (SIGHUP, SIG_IGN) != SIG_IGN) |
2dec80c7 | 7403 | signal (SIGHUP, fatal_signal); |
2a353d3a | 7404 | #endif |
ed1f651b | 7405 | if (signal (SIGTERM, SIG_IGN) != SIG_IGN) |
2dec80c7 | 7406 | signal (SIGTERM, fatal_signal); |
ed1f651b RS |
7407 | #ifdef SIGPIPE |
7408 | if (signal (SIGPIPE, SIG_IGN) != SIG_IGN) | |
2dec80c7 | 7409 | signal (SIGPIPE, fatal_signal); |
ed1f651b | 7410 | #endif |
798bdf70 | 7411 | #ifdef SIGCHLD |
0bf679a3 BK |
7412 | /* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will |
7413 | receive the signal. A different setting is inheritable */ | |
7414 | signal (SIGCHLD, SIG_DFL); | |
798bdf70 | 7415 | #endif |
ed1f651b | 7416 | |
d423df48 JJ |
7417 | /* Parsing and gimplification sometimes need quite large stack. |
7418 | Increase stack size limits if possible. */ | |
7419 | stack_limit_increase (64 * 1024 * 1024); | |
7420 | ||
f3226a90 JT |
7421 | /* Allocate the argument vector. */ |
7422 | alloc_args (); | |
ed1f651b RS |
7423 | |
7424 | obstack_init (&obstack); | |
742a072a DM |
7425 | } |
7426 | ||
7427 | /* Build multilib_select, et. al from the separate lines that make up each | |
7428 | multilib selection. */ | |
ed1f651b | 7429 | |
742a072a DM |
7430 | void |
7431 | driver::build_multilib_strings () const | |
7432 | { | |
ffd86336 | 7433 | { |
742a072a | 7434 | const char *p; |
3b304f5b | 7435 | const char *const *q = multilib_raw; |
961b7009 | 7436 | int need_space; |
ffd86336 JW |
7437 | |
7438 | obstack_init (&multilib_obstack); | |
0f41302f | 7439 | while ((p = *q++) != (char *) 0) |
ffd86336 JW |
7440 | obstack_grow (&multilib_obstack, p, strlen (p)); |
7441 | ||
7442 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 7443 | multilib_select = XOBFINISH (&multilib_obstack, const char *); |
961b7009 MM |
7444 | |
7445 | q = multilib_matches_raw; | |
7446 | while ((p = *q++) != (char *) 0) | |
7447 | obstack_grow (&multilib_obstack, p, strlen (p)); | |
7448 | ||
7449 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 7450 | multilib_matches = XOBFINISH (&multilib_obstack, const char *); |
961b7009 | 7451 | |
0a8d6618 BC |
7452 | q = multilib_exclusions_raw; |
7453 | while ((p = *q++) != (char *) 0) | |
d25a45d4 | 7454 | obstack_grow (&multilib_obstack, p, strlen (p)); |
0a8d6618 BC |
7455 | |
7456 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 7457 | multilib_exclusions = XOBFINISH (&multilib_obstack, const char *); |
9218435e | 7458 | |
e7f49d92 TG |
7459 | q = multilib_reuse_raw; |
7460 | while ((p = *q++) != (char *) 0) | |
7461 | obstack_grow (&multilib_obstack, p, strlen (p)); | |
7462 | ||
7463 | obstack_1grow (&multilib_obstack, 0); | |
7464 | multilib_reuse = XOBFINISH (&multilib_obstack, const char *); | |
7465 | ||
961b7009 | 7466 | need_space = FALSE; |
742a072a | 7467 | for (size_t i = 0; i < ARRAY_SIZE (multilib_defaults_raw); i++) |
961b7009 MM |
7468 | { |
7469 | if (need_space) | |
7470 | obstack_1grow (&multilib_obstack, ' '); | |
7471 | obstack_grow (&multilib_obstack, | |
7472 | multilib_defaults_raw[i], | |
7473 | strlen (multilib_defaults_raw[i])); | |
7474 | need_space = TRUE; | |
7475 | } | |
7476 | ||
7477 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 7478 | multilib_defaults = XOBFINISH (&multilib_obstack, const char *); |
ffd86336 | 7479 | } |
742a072a DM |
7480 | } |
7481 | ||
7482 | /* Set up the spec-handling machinery. */ | |
7483 | ||
7484 | void | |
7485 | driver::set_up_specs () const | |
7486 | { | |
fc8b3540 | 7487 | const char *spec_machine_suffix; |
742a072a DM |
7488 | char *specs_file; |
7489 | size_t i; | |
ffd86336 | 7490 | |
8faf4a68 JW |
7491 | #ifdef INIT_ENVIRONMENT |
7492 | /* Set up any other necessary machine specific environment variables. */ | |
47d33318 | 7493 | xputenv (INIT_ENVIRONMENT); |
8faf4a68 JW |
7494 | #endif |
7495 | ||
ed1f651b RS |
7496 | /* Make a table of what switches there are (switches, n_switches). |
7497 | Make a table of specified input files (infiles, n_infiles). | |
7498 | Decode switches that are handled locally. */ | |
7499 | ||
60cf253a | 7500 | process_command (decoded_options_count, decoded_options); |
ed1f651b RS |
7501 | |
7502 | /* Initialize the vector of specs to just the default. | |
7503 | This means one element containing 0s, as a terminator. */ | |
7504 | ||
e1e4cdc4 | 7505 | compilers = XNEWVAR (struct compiler, sizeof default_compilers); |
703ad42b | 7506 | memcpy (compilers, default_compilers, sizeof default_compilers); |
ed1f651b RS |
7507 | n_compilers = n_default_compilers; |
7508 | ||
7509 | /* Read specs from a file if there is one. */ | |
7510 | ||
fc8b3540 IV |
7511 | machine_suffix = concat (spec_host_machine, dir_separator_str, spec_version, |
7512 | accel_dir_suffix, dir_separator_str, NULL); | |
d4f2852f | 7513 | just_machine_suffix = concat (spec_machine, dir_separator_str, NULL); |
ed1f651b | 7514 | |
00dcee0c | 7515 | specs_file = find_a_file (&startfile_prefixes, "specs", R_OK, true); |
ed1f651b RS |
7516 | /* Read the specs file unless it is a default one. */ |
7517 | if (specs_file != 0 && strcmp (specs_file, "specs")) | |
d168aaee | 7518 | read_specs (specs_file, true, false); |
20df0482 MM |
7519 | else |
7520 | init_spec (); | |
841faeed | 7521 | |
fc8b3540 IV |
7522 | #ifdef ACCEL_COMPILER |
7523 | spec_machine_suffix = machine_suffix; | |
7524 | #else | |
7525 | spec_machine_suffix = just_machine_suffix; | |
7526 | #endif | |
7527 | ||
7528 | /* We need to check standard_exec_prefix/spec_machine_suffix/specs | |
3ac63d94 | 7529 | for any override of as, ld and libraries. */ |
e1e4cdc4 | 7530 | specs_file = (char *) alloca (strlen (standard_exec_prefix) |
fc8b3540 | 7531 | + strlen (spec_machine_suffix) + sizeof ("specs")); |
5bb67e36 | 7532 | strcpy (specs_file, standard_exec_prefix); |
fc8b3540 | 7533 | strcat (specs_file, spec_machine_suffix); |
5bb67e36 RK |
7534 | strcat (specs_file, "specs"); |
7535 | if (access (specs_file, R_OK) == 0) | |
d168aaee | 7536 | read_specs (specs_file, true, false); |
9218435e | 7537 | |
7816bea0 DJ |
7538 | /* Process any configure-time defaults specified for the command line |
7539 | options, via OPTION_DEFAULT_SPECS. */ | |
7540 | for (i = 0; i < ARRAY_SIZE (option_default_specs); i++) | |
7541 | do_option_spec (option_default_specs[i].name, | |
7542 | option_default_specs[i].spec); | |
7543 | ||
3bd6d4c4 AO |
7544 | /* Process DRIVER_SELF_SPECS, adding any new options to the end |
7545 | of the command line. */ | |
7546 | ||
7547 | for (i = 0; i < ARRAY_SIZE (driver_self_specs); i++) | |
7548 | do_self_spec (driver_self_specs[i]); | |
7549 | ||
4977bab6 ZW |
7550 | /* If not cross-compiling, look for executables in the standard |
7551 | places. */ | |
7552 | if (*cross_compile == '0') | |
004fd4d5 | 7553 | { |
2296d164 RK |
7554 | if (*md_exec_prefix) |
7555 | { | |
7556 | add_prefix (&exec_prefixes, md_exec_prefix, "GCC", | |
1a5d37a1 | 7557 | PREFIX_PRIORITY_LAST, 0, 0); |
2296d164 | 7558 | } |
4977bab6 ZW |
7559 | } |
7560 | ||
71c0e7fc | 7561 | /* Process sysroot_suffix_spec. */ |
e7f13528 | 7562 | if (*sysroot_suffix_spec != 0 |
28b4fc51 | 7563 | && !no_sysroot_suffix |
e7f13528 GP |
7564 | && do_spec_2 (sysroot_suffix_spec) == 0) |
7565 | { | |
9771b263 | 7566 | if (argbuf.length () > 1) |
ab532386 | 7567 | error ("spec failure: more than one arg to SYSROOT_SUFFIX_SPEC"); |
9771b263 DN |
7568 | else if (argbuf.length () == 1) |
7569 | target_sysroot_suffix = xstrdup (argbuf.last ()); | |
e7f13528 GP |
7570 | } |
7571 | ||
380e5ca4 MM |
7572 | #ifdef HAVE_LD_SYSROOT |
7573 | /* Pass the --sysroot option to the linker, if it supports that. If | |
7574 | there is a sysroot_suffix_spec, it has already been processed by | |
7575 | this point, so target_system_root really is the system root we | |
7576 | should be using. */ | |
7577 | if (target_system_root) | |
7578 | { | |
7579 | obstack_grow (&obstack, "%(sysroot_spec) ", strlen ("%(sysroot_spec) ")); | |
7580 | obstack_grow0 (&obstack, link_spec, strlen (link_spec)); | |
d168aaee | 7581 | set_spec ("link", XOBFINISH (&obstack, const char *), false); |
380e5ca4 MM |
7582 | } |
7583 | #endif | |
7584 | ||
71c0e7fc | 7585 | /* Process sysroot_hdrs_suffix_spec. */ |
e7f13528 | 7586 | if (*sysroot_hdrs_suffix_spec != 0 |
28b4fc51 | 7587 | && !no_sysroot_suffix |
e7f13528 GP |
7588 | && do_spec_2 (sysroot_hdrs_suffix_spec) == 0) |
7589 | { | |
9771b263 | 7590 | if (argbuf.length () > 1) |
ab532386 | 7591 | error ("spec failure: more than one arg to SYSROOT_HEADERS_SUFFIX_SPEC"); |
9771b263 DN |
7592 | else if (argbuf.length () == 1) |
7593 | target_sysroot_hdrs_suffix = xstrdup (argbuf.last ()); | |
e7f13528 GP |
7594 | } |
7595 | ||
4977bab6 ZW |
7596 | /* Look for startfiles in the standard places. */ |
7597 | if (*startfile_prefix_spec != 0 | |
7598 | && do_spec_2 (startfile_prefix_spec) == 0 | |
7599 | && do_spec_1 (" ", 0, NULL) == 0) | |
7600 | { | |
5b634ee0 | 7601 | const char *arg; |
4977bab6 | 7602 | int ndx; |
9771b263 | 7603 | FOR_EACH_VEC_ELT (argbuf, ndx, arg) |
5b634ee0 | 7604 | add_sysrooted_prefix (&startfile_prefixes, arg, "BINUTILS", |
1a5d37a1 | 7605 | PREFIX_PRIORITY_LAST, 0, 1); |
4977bab6 ZW |
7606 | } |
7607 | /* We should eventually get rid of all these and stick to | |
7608 | startfile_prefix_spec exclusively. */ | |
7609 | else if (*cross_compile == '0' || target_system_root) | |
7610 | { | |
2296d164 | 7611 | if (*md_startfile_prefix) |
4977bab6 | 7612 | add_sysrooted_prefix (&startfile_prefixes, md_startfile_prefix, |
1a5d37a1 | 7613 | "GCC", PREFIX_PRIORITY_LAST, 0, 1); |
004fd4d5 | 7614 | |
2296d164 | 7615 | if (*md_startfile_prefix_1) |
4977bab6 | 7616 | add_sysrooted_prefix (&startfile_prefixes, md_startfile_prefix_1, |
1a5d37a1 | 7617 | "GCC", PREFIX_PRIORITY_LAST, 0, 1); |
607a4f7d | 7618 | |
4dbc7773 ILT |
7619 | /* If standard_startfile_prefix is relative, base it on |
7620 | standard_exec_prefix. This lets us move the installed tree | |
7621 | as a unit. If GCC_EXEC_PREFIX is defined, base | |
0d037580 DJ |
7622 | standard_startfile_prefix on that as well. |
7623 | ||
7624 | If the prefix is relative, only search it for native compilers; | |
7625 | otherwise we will search a directory containing host libraries. */ | |
3dce1408 | 7626 | if (IS_ABSOLUTE_PATH (standard_startfile_prefix)) |
4977bab6 ZW |
7627 | add_sysrooted_prefix (&startfile_prefixes, |
7628 | standard_startfile_prefix, "BINUTILS", | |
1a5d37a1 | 7629 | PREFIX_PRIORITY_LAST, 0, 1); |
0d037580 | 7630 | else if (*cross_compile == '0') |
4dbc7773 | 7631 | { |
48ff801b | 7632 | add_prefix (&startfile_prefixes, |
b8698a0f L |
7633 | concat (gcc_exec_prefix |
7634 | ? gcc_exec_prefix : standard_exec_prefix, | |
7635 | machine_suffix, | |
d4f2852f | 7636 | standard_startfile_prefix, NULL), |
1a5d37a1 | 7637 | NULL, PREFIX_PRIORITY_LAST, 0, 1); |
9218435e | 7638 | } |
4dbc7773 | 7639 | |
f4c0a303 CD |
7640 | /* Sysrooted prefixes are relocated because target_system_root is |
7641 | also relocated by gcc_exec_prefix. */ | |
656c7a3a AL |
7642 | if (*standard_startfile_prefix_1) |
7643 | add_sysrooted_prefix (&startfile_prefixes, | |
7644 | standard_startfile_prefix_1, "BINUTILS", | |
1a5d37a1 | 7645 | PREFIX_PRIORITY_LAST, 0, 1); |
656c7a3a AL |
7646 | if (*standard_startfile_prefix_2) |
7647 | add_sysrooted_prefix (&startfile_prefixes, | |
7648 | standard_startfile_prefix_2, "BINUTILS", | |
1a5d37a1 | 7649 | PREFIX_PRIORITY_LAST, 0, 1); |
004fd4d5 | 7650 | } |
343f59d9 | 7651 | |
8607048d TT |
7652 | /* Process any user specified specs in the order given on the command |
7653 | line. */ | |
742a072a | 7654 | for (struct user_specs *uptr = user_specs_head; uptr; uptr = uptr->next) |
8607048d | 7655 | { |
5bbcd587 | 7656 | char *filename = find_a_file (&startfile_prefixes, uptr->filename, |
00dcee0c | 7657 | R_OK, true); |
d168aaee | 7658 | read_specs (filename ? filename : uptr->filename, false, true); |
8607048d TT |
7659 | } |
7660 | ||
84f405a1 JJ |
7661 | /* Process any user self specs. */ |
7662 | { | |
7663 | struct spec_list *sl; | |
7664 | for (sl = specs; sl; sl = sl->next) | |
7665 | if (sl->name_len == sizeof "self_spec" - 1 | |
7666 | && !strcmp (sl->name, "self_spec")) | |
7667 | do_self_spec (*sl->ptr_spec); | |
7668 | } | |
7669 | ||
7670 | if (compare_debug) | |
7671 | { | |
7672 | enum save_temps save; | |
7673 | ||
7674 | if (!compare_debug_second) | |
7675 | { | |
7676 | n_switches_debug_check[1] = n_switches; | |
7677 | n_switches_alloc_debug_check[1] = n_switches_alloc; | |
7678 | switches_debug_check[1] = XDUPVEC (struct switchstr, switches, | |
7679 | n_switches_alloc); | |
7680 | ||
7681 | do_self_spec ("%:compare-debug-self-opt()"); | |
7682 | n_switches_debug_check[0] = n_switches; | |
7683 | n_switches_alloc_debug_check[0] = n_switches_alloc; | |
7684 | switches_debug_check[0] = switches; | |
7685 | ||
7686 | n_switches = n_switches_debug_check[1]; | |
7687 | n_switches_alloc = n_switches_alloc_debug_check[1]; | |
7688 | switches = switches_debug_check[1]; | |
7689 | } | |
7690 | ||
7691 | /* Avoid crash when computing %j in this early. */ | |
7692 | save = save_temps_flag; | |
7693 | save_temps_flag = SAVE_TEMPS_NONE; | |
7694 | ||
7695 | compare_debug = -compare_debug; | |
7696 | do_self_spec ("%:compare-debug-self-opt()"); | |
7697 | ||
7698 | save_temps_flag = save; | |
7699 | ||
7700 | if (!compare_debug_second) | |
7701 | { | |
7702 | n_switches_debug_check[1] = n_switches; | |
7703 | n_switches_alloc_debug_check[1] = n_switches_alloc; | |
7704 | switches_debug_check[1] = switches; | |
7705 | compare_debug = -compare_debug; | |
7706 | n_switches = n_switches_debug_check[0]; | |
7707 | n_switches_alloc = n_switches_debug_check[0]; | |
7708 | switches = switches_debug_check[0]; | |
7709 | } | |
7710 | } | |
7711 | ||
7712 | ||
e8601ecb JW |
7713 | /* If we have a GCC_EXEC_PREFIX envvar, modify it for cpp's sake. */ |
7714 | if (gcc_exec_prefix) | |
fc8b3540 IV |
7715 | gcc_exec_prefix = concat (gcc_exec_prefix, spec_host_machine, |
7716 | dir_separator_str, spec_version, | |
7717 | accel_dir_suffix, dir_separator_str, NULL); | |
004fd4d5 | 7718 | |
ed1f651b RS |
7719 | /* Now we have the specs. |
7720 | Set the `valid' bits for switches that match anything in any spec. */ | |
7721 | ||
7722 | validate_all_switches (); | |
7723 | ||
60103a34 DE |
7724 | /* Now that we have the switches and the specs, set |
7725 | the subdirectory based on the options. */ | |
7726 | set_multilib_dir (); | |
742a072a DM |
7727 | } |
7728 | ||
7729 | /* Set up to remember the pathname of gcc and any options | |
7730 | needed for collect. We use argv[0] instead of progname because | |
7731 | we need the complete pathname. */ | |
60103a34 | 7732 | |
742a072a DM |
7733 | void |
7734 | driver::putenv_COLLECT_GCC (const char *argv0) const | |
7735 | { | |
d7f09764 DN |
7736 | obstack_init (&collect_obstack); |
7737 | obstack_grow (&collect_obstack, "COLLECT_GCC=", sizeof ("COLLECT_GCC=") - 1); | |
742a072a | 7738 | obstack_grow (&collect_obstack, argv0, strlen (argv0) + 1); |
d7f09764 | 7739 | xputenv (XOBFINISH (&collect_obstack, char *)); |
742a072a | 7740 | } |
d7f09764 | 7741 | |
742a072a DM |
7742 | /* Set up to remember the pathname of the lto wrapper. */ |
7743 | ||
7744 | void | |
7745 | driver::maybe_putenv_COLLECT_LTO_WRAPPER () const | |
7746 | { | |
7747 | char *lto_wrapper_file; | |
d7f09764 | 7748 | |
117cb2bc JJ |
7749 | if (have_c) |
7750 | lto_wrapper_file = NULL; | |
7751 | else | |
7752 | lto_wrapper_file = find_a_file (&exec_prefixes, "lto-wrapper", | |
7753 | X_OK, false); | |
de9a793e | 7754 | if (lto_wrapper_file) |
d7f09764 | 7755 | { |
3c27ce4c | 7756 | lto_wrapper_file = convert_white_space (lto_wrapper_file); |
de9a793e | 7757 | lto_wrapper_spec = lto_wrapper_file; |
d7f09764 DN |
7758 | obstack_init (&collect_obstack); |
7759 | obstack_grow (&collect_obstack, "COLLECT_LTO_WRAPPER=", | |
7760 | sizeof ("COLLECT_LTO_WRAPPER=") - 1); | |
7761 | obstack_grow (&collect_obstack, lto_wrapper_spec, | |
7762 | strlen (lto_wrapper_spec) + 1); | |
7763 | xputenv (XOBFINISH (&collect_obstack, char *)); | |
7764 | } | |
7765 | ||
742a072a | 7766 | } |
ed1f651b | 7767 | |
fc8b3540 IV |
7768 | /* Set up to remember the names of offload targets. */ |
7769 | ||
7770 | void | |
7771 | driver::maybe_putenv_OFFLOAD_TARGETS () const | |
7772 | { | |
64186aad | 7773 | if (offload_targets && offload_targets[0] != '\0') |
fc8b3540 IV |
7774 | { |
7775 | obstack_grow (&collect_obstack, "OFFLOAD_TARGET_NAMES=", | |
7776 | sizeof ("OFFLOAD_TARGET_NAMES=") - 1); | |
64186aad TS |
7777 | obstack_grow (&collect_obstack, offload_targets, |
7778 | strlen (offload_targets) + 1); | |
fc8b3540 IV |
7779 | xputenv (XOBFINISH (&collect_obstack, char *)); |
7780 | } | |
c713ddc0 BS |
7781 | |
7782 | free (offload_targets); | |
64186aad | 7783 | offload_targets = NULL; |
fc8b3540 IV |
7784 | } |
7785 | ||
742a072a DM |
7786 | /* Reject switches that no pass was interested in. */ |
7787 | ||
7788 | void | |
61789eed | 7789 | driver::handle_unrecognized_options () |
742a072a DM |
7790 | { |
7791 | for (size_t i = 0; (int) i < n_switches; i++) | |
ab87f8c8 | 7792 | if (! switches[i].validated) |
93ebf1fd | 7793 | { |
98086b2b | 7794 | const char *hint = m_option_proposer.suggest_option (switches[i].part1); |
93ebf1fd DM |
7795 | if (hint) |
7796 | error ("unrecognized command line option %<-%s%>;" | |
7797 | " did you mean %<-%s%>?", | |
7798 | switches[i].part1, hint); | |
7799 | else | |
7800 | error ("unrecognized command line option %<-%s%>", | |
7801 | switches[i].part1); | |
7802 | } | |
742a072a | 7803 | } |
ed1f651b | 7804 | |
742a072a DM |
7805 | /* Handle the various -print-* options, returning 0 if the driver |
7806 | should exit, or nonzero if the driver should continue. */ | |
6a9e290e | 7807 | |
742a072a DM |
7808 | int |
7809 | driver::maybe_print_and_exit () const | |
7810 | { | |
2628b9d3 DE |
7811 | if (print_search_dirs) |
7812 | { | |
f4c0a303 CD |
7813 | printf (_("install: %s%s\n"), |
7814 | gcc_exec_prefix ? gcc_exec_prefix : standard_exec_prefix, | |
7815 | gcc_exec_prefix ? "" : machine_suffix); | |
00dcee0c AM |
7816 | printf (_("programs: %s\n"), |
7817 | build_search_list (&exec_prefixes, "", false, false)); | |
7818 | printf (_("libraries: %s\n"), | |
7819 | build_search_list (&startfile_prefixes, "", false, true)); | |
9257393c | 7820 | return (0); |
2628b9d3 DE |
7821 | } |
7822 | ||
6a9e290e | 7823 | if (print_file_name) |
2dcb563f | 7824 | { |
6a9e290e | 7825 | printf ("%s\n", find_file (print_file_name)); |
9257393c | 7826 | return (0); |
2dcb563f RS |
7827 | } |
7828 | ||
6a9e290e RK |
7829 | if (print_prog_name) |
7830 | { | |
b78e932d L |
7831 | if (use_ld != NULL && ! strcmp (print_prog_name, "ld")) |
7832 | { | |
026c3cfd | 7833 | /* Append USE_LD to the default linker. */ |
b78e932d L |
7834 | #ifdef DEFAULT_LINKER |
7835 | char *ld; | |
7836 | # ifdef HAVE_HOST_EXECUTABLE_SUFFIX | |
7837 | int len = (sizeof (DEFAULT_LINKER) | |
7838 | - sizeof (HOST_EXECUTABLE_SUFFIX)); | |
7839 | ld = NULL; | |
7840 | if (len > 0) | |
7841 | { | |
7842 | char *default_linker = xstrdup (DEFAULT_LINKER); | |
7843 | /* Strip HOST_EXECUTABLE_SUFFIX if DEFAULT_LINKER contains | |
7844 | HOST_EXECUTABLE_SUFFIX. */ | |
7845 | if (! strcmp (&default_linker[len], HOST_EXECUTABLE_SUFFIX)) | |
7846 | { | |
7847 | default_linker[len] = '\0'; | |
7848 | ld = concat (default_linker, use_ld, | |
7849 | HOST_EXECUTABLE_SUFFIX, NULL); | |
7850 | } | |
7851 | } | |
7852 | if (ld == NULL) | |
7853 | # endif | |
7854 | ld = concat (DEFAULT_LINKER, use_ld, NULL); | |
7855 | if (access (ld, X_OK) == 0) | |
7856 | { | |
7857 | printf ("%s\n", ld); | |
7858 | return (0); | |
7859 | } | |
7860 | #endif | |
7861 | print_prog_name = concat (print_prog_name, use_ld, NULL); | |
7862 | } | |
5bbcd587 | 7863 | char *newname = find_a_file (&exec_prefixes, print_prog_name, X_OK, 0); |
6a9e290e | 7864 | printf ("%s\n", (newname ? newname : print_prog_name)); |
9257393c | 7865 | return (0); |
6a9e290e | 7866 | } |
ed1f651b | 7867 | |
60103a34 DE |
7868 | if (print_multi_lib) |
7869 | { | |
7870 | print_multilib_info (); | |
9257393c | 7871 | return (0); |
60103a34 DE |
7872 | } |
7873 | ||
7874 | if (print_multi_directory) | |
7875 | { | |
7876 | if (multilib_dir == NULL) | |
7877 | printf (".\n"); | |
7878 | else | |
7879 | printf ("%s\n", multilib_dir); | |
9257393c | 7880 | return (0); |
60103a34 DE |
7881 | } |
7882 | ||
e0cdc09f MK |
7883 | if (print_multiarch) |
7884 | { | |
7885 | if (multiarch_dir == NULL) | |
7886 | printf ("\n"); | |
7887 | else | |
7888 | printf ("%s\n", multiarch_dir); | |
7889 | return (0); | |
7890 | } | |
7891 | ||
3def1397 VP |
7892 | if (print_sysroot) |
7893 | { | |
7894 | if (target_system_root) | |
7895 | { | |
7896 | if (target_sysroot_suffix) | |
7897 | printf ("%s%s\n", target_system_root, target_sysroot_suffix); | |
7898 | else | |
7899 | printf ("%s\n", target_system_root); | |
7900 | } | |
7901 | return (0); | |
7902 | } | |
7903 | ||
5bbcd587 JJ |
7904 | if (print_multi_os_directory) |
7905 | { | |
7906 | if (multilib_os_dir == NULL) | |
7907 | printf (".\n"); | |
7908 | else | |
7909 | printf ("%s\n", multilib_os_dir); | |
7910 | return (0); | |
7911 | } | |
7912 | ||
14da6073 JM |
7913 | if (print_sysroot_headers_suffix) |
7914 | { | |
7915 | if (*sysroot_hdrs_suffix_spec) | |
7916 | { | |
dc5bbad3 JM |
7917 | printf("%s\n", (target_sysroot_hdrs_suffix |
7918 | ? target_sysroot_hdrs_suffix | |
7919 | : "")); | |
14da6073 JM |
7920 | return (0); |
7921 | } | |
7922 | else | |
7923 | /* The error status indicates that only one set of fixed | |
7924 | headers should be built. */ | |
40fecdd6 JM |
7925 | fatal_error (input_location, |
7926 | "not configured with sysroot headers suffix"); | |
14da6073 JM |
7927 | } |
7928 | ||
b8468bc7 NC |
7929 | if (print_help_list) |
7930 | { | |
7931 | display_help (); | |
7932 | ||
7933 | if (! verbose_flag) | |
7934 | { | |
5e4adfba | 7935 | printf (_("\nFor bug reporting instructions, please see:\n")); |
a976603e | 7936 | printf ("%s.\n", bug_report_url); |
9218435e | 7937 | |
9257393c | 7938 | return (0); |
b8468bc7 NC |
7939 | } |
7940 | ||
7941 | /* We do not exit here. Instead we have created a fake input file | |
7942 | called 'help-dummy' which needs to be compiled, and we pass this | |
033505fc RW |
7943 | on the various sub-processes, along with the --help switch. |
7944 | Ensure their output appears after ours. */ | |
7945 | fputc ('\n', stdout); | |
7946 | fflush (stdout); | |
b8468bc7 | 7947 | } |
9218435e | 7948 | |
41fd0f9b RAE |
7949 | if (print_version) |
7950 | { | |
6afbc885 | 7951 | printf (_("%s %s%s\n"), progname, pkgversion_string, |
41fd0f9b | 7952 | version_string); |
65e6aea3 | 7953 | printf ("Copyright %s 2018 Free Software Foundation, Inc.\n", |
41fd0f9b RAE |
7954 | _("(C)")); |
7955 | fputs (_("This is free software; see the source for copying conditions. There is NO\n\ | |
7956 | warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"), | |
7957 | stdout); | |
7958 | if (! verbose_flag) | |
7959 | return 0; | |
7960 | ||
7961 | /* We do not exit here. We use the same mechanism of --help to print | |
7962 | the version of the sub-processes. */ | |
7963 | fputc ('\n', stdout); | |
7964 | fflush (stdout); | |
7965 | } | |
7966 | ||
ed1f651b RS |
7967 | if (verbose_flag) |
7968 | { | |
dc10fd96 | 7969 | print_configuration (stderr); |
ed1f651b | 7970 | if (n_infiles == 0) |
9257393c | 7971 | return (0); |
ed1f651b RS |
7972 | } |
7973 | ||
742a072a DM |
7974 | return 1; |
7975 | } | |
7976 | ||
7977 | /* Figure out what to do with each input file. | |
7978 | Return true if we need to exit early from "main", false otherwise. */ | |
7979 | ||
7980 | bool | |
7981 | driver::prepare_infiles () | |
7982 | { | |
7983 | size_t i; | |
7984 | int lang_n_infiles = 0; | |
7985 | ||
a2a05b0a | 7986 | if (n_infiles == added_libraries) |
40fecdd6 | 7987 | fatal_error (input_location, "no input files"); |
ed1f651b | 7988 | |
4df47bca | 7989 | if (seen_error ()) |
742a072a DM |
7990 | /* Early exit needed from main. */ |
7991 | return true; | |
4df47bca | 7992 | |
ed1f651b RS |
7993 | /* Make a place to record the compiler output file names |
7994 | that correspond to the input files. */ | |
7995 | ||
f271358e | 7996 | i = n_infiles; |
e37cda9b | 7997 | i += lang_specific_extra_outfiles; |
5ed6ace5 | 7998 | outfiles = XCNEWVEC (const char *, i); |
ed1f651b RS |
7999 | |
8000 | /* Record which files were specified explicitly as link input. */ | |
8001 | ||
d900f77d | 8002 | explicit_link_files = XCNEWVEC (char, n_infiles); |
ed1f651b | 8003 | |
56b721c5 | 8004 | combine_inputs = have_o || flag_wpa; |
0855eab7 CT |
8005 | |
8006 | for (i = 0; (int) i < n_infiles; i++) | |
d1bd0ded | 8007 | { |
0855eab7 | 8008 | const char *name = infiles[i].name; |
7904f95f EC |
8009 | struct compiler *compiler = lookup_compiler (name, |
8010 | strlen (name), | |
0855eab7 | 8011 | infiles[i].language); |
7904f95f | 8012 | |
0855eab7 CT |
8013 | if (compiler && !(compiler->combinable)) |
8014 | combine_inputs = false; | |
7904f95f | 8015 | |
0855eab7 CT |
8016 | if (lang_n_infiles > 0 && compiler != input_file_compiler |
8017 | && infiles[i].language && infiles[i].language[0] != '*') | |
8018 | infiles[i].incompiler = compiler; | |
8019 | else if (compiler) | |
8020 | { | |
8021 | lang_n_infiles++; | |
8022 | input_file_compiler = compiler; | |
8023 | infiles[i].incompiler = compiler; | |
8024 | } | |
8025 | else | |
8026 | { | |
8027 | /* Since there is no compiler for this input file, assume it is a | |
9cf737f8 | 8028 | linker file. */ |
0855eab7 CT |
8029 | explicit_link_files[i] = 1; |
8030 | infiles[i].incompiler = NULL; | |
8031 | } | |
8032 | infiles[i].compiled = false; | |
8033 | infiles[i].preprocessed = false; | |
d1bd0ded | 8034 | } |
953ff289 | 8035 | |
de19a50e | 8036 | if (!combine_inputs && have_c && have_o && lang_n_infiles > 1) |
40fecdd6 JM |
8037 | fatal_error (input_location, |
8038 | "cannot specify -o with -c, -S or -E with multiple files"); | |
0855eab7 | 8039 | |
742a072a DM |
8040 | /* No early exit needed from main; we can continue. */ |
8041 | return false; | |
8042 | } | |
8043 | ||
8044 | /* Run the spec machinery on each input file. */ | |
8045 | ||
8046 | void | |
8047 | driver::do_spec_on_infiles () const | |
8048 | { | |
8049 | size_t i; | |
8050 | ||
0855eab7 | 8051 | for (i = 0; (int) i < n_infiles; i++) |
ed1f651b | 8052 | { |
ed1f651b RS |
8053 | int this_file_error = 0; |
8054 | ||
8055 | /* Tell do_spec what to substitute for %i. */ | |
8056 | ||
ed1f651b | 8057 | input_file_number = i; |
512b62fb | 8058 | set_input (infiles[i].name); |
ed1f651b | 8059 | |
0855eab7 CT |
8060 | if (infiles[i].compiled) |
8061 | continue; | |
8062 | ||
ed1f651b RS |
8063 | /* Use the same thing in %o, unless cp->spec says otherwise. */ |
8064 | ||
6afbc885 | 8065 | outfiles[i] = gcc_input_filename; |
ed1f651b RS |
8066 | |
8067 | /* Figure out which compiler from the file's suffix. */ | |
8068 | ||
c3224d6f RG |
8069 | input_file_compiler |
8070 | = lookup_compiler (infiles[i].name, input_filename_length, | |
8071 | infiles[i].language); | |
589005ff | 8072 | |
a9374841 | 8073 | if (input_file_compiler) |
ed1f651b RS |
8074 | { |
8075 | /* Ok, we found an applicable compiler. Run its spec. */ | |
ed1f651b | 8076 | |
a9374841 | 8077 | if (input_file_compiler->spec[0] == '#') |
d644be7b ZW |
8078 | { |
8079 | error ("%s: %s compiler not installed on this system", | |
6afbc885 | 8080 | gcc_input_filename, &input_file_compiler->spec[1]); |
d644be7b ZW |
8081 | this_file_error = 1; |
8082 | } | |
8083 | else | |
8084 | { | |
742a072a DM |
8085 | int value; |
8086 | ||
2153915d AO |
8087 | if (compare_debug) |
8088 | { | |
04695783 | 8089 | free (debug_check_temp_file[0]); |
2153915d AO |
8090 | debug_check_temp_file[0] = NULL; |
8091 | ||
04695783 | 8092 | free (debug_check_temp_file[1]); |
2153915d AO |
8093 | debug_check_temp_file[1] = NULL; |
8094 | } | |
8095 | ||
d644be7b | 8096 | value = do_spec (input_file_compiler->spec); |
0855eab7 | 8097 | infiles[i].compiled = true; |
d644be7b | 8098 | if (value < 0) |
b21292d0 | 8099 | this_file_error = 1; |
2153915d AO |
8100 | else if (compare_debug && debug_check_temp_file[0]) |
8101 | { | |
8102 | if (verbose_flag) | |
64a5912c DM |
8103 | inform (UNKNOWN_LOCATION, |
8104 | "recompiling with -fcompare-debug"); | |
2153915d AO |
8105 | |
8106 | compare_debug = -compare_debug; | |
8107 | n_switches = n_switches_debug_check[1]; | |
efe5e5a0 | 8108 | n_switches_alloc = n_switches_alloc_debug_check[1]; |
2153915d AO |
8109 | switches = switches_debug_check[1]; |
8110 | ||
8111 | value = do_spec (input_file_compiler->spec); | |
8112 | ||
8113 | compare_debug = -compare_debug; | |
8114 | n_switches = n_switches_debug_check[0]; | |
efe5e5a0 | 8115 | n_switches_alloc = n_switches_alloc_debug_check[0]; |
2153915d AO |
8116 | switches = switches_debug_check[0]; |
8117 | ||
8118 | if (value < 0) | |
8119 | { | |
8120 | error ("during -fcompare-debug recompilation"); | |
8121 | this_file_error = 1; | |
8122 | } | |
8123 | ||
8124 | gcc_assert (debug_check_temp_file[1] | |
ba78087b KT |
8125 | && filename_cmp (debug_check_temp_file[0], |
8126 | debug_check_temp_file[1])); | |
2153915d AO |
8127 | |
8128 | if (verbose_flag) | |
64a5912c | 8129 | inform (UNKNOWN_LOCATION, "comparing final insns dumps"); |
2153915d AO |
8130 | |
8131 | if (compare_files (debug_check_temp_file)) | |
8132 | this_file_error = 1; | |
8133 | } | |
8134 | ||
8135 | if (compare_debug) | |
8136 | { | |
04695783 | 8137 | free (debug_check_temp_file[0]); |
2153915d AO |
8138 | debug_check_temp_file[0] = NULL; |
8139 | ||
04695783 | 8140 | free (debug_check_temp_file[1]); |
2153915d AO |
8141 | debug_check_temp_file[1] = NULL; |
8142 | } | |
d644be7b | 8143 | } |
ed1f651b RS |
8144 | } |
8145 | ||
8146 | /* If this file's name does not contain a recognized suffix, | |
8147 | record it as explicit linker input. */ | |
8148 | ||
8149 | else | |
8150 | explicit_link_files[i] = 1; | |
8151 | ||
8152 | /* Clear the delete-on-failure queue, deleting the files in it | |
8153 | if this compilation failed. */ | |
8154 | ||
8155 | if (this_file_error) | |
8156 | { | |
8157 | delete_failure_queue (); | |
6afbc885 | 8158 | errorcount++; |
ed1f651b RS |
8159 | } |
8160 | /* If this compilation succeeded, don't delete those files later. */ | |
8161 | clear_failure_queue (); | |
8162 | } | |
8163 | ||
817a8255 EC |
8164 | /* Reset the input file name to the first compile/object file name, for use |
8165 | with %b in LINK_SPEC. We use the first input file that we can find | |
7904f95f | 8166 | a compiler to compile it instead of using infiles.language since for |
817a8255 | 8167 | languages other than C we use aliases that we then lookup later. */ |
512b62fb | 8168 | if (n_infiles > 0) |
817a8255 EC |
8169 | { |
8170 | int i; | |
8171 | ||
8172 | for (i = 0; i < n_infiles ; i++) | |
42113d6b RG |
8173 | if (infiles[i].incompiler |
8174 | || (infiles[i].language && infiles[i].language[0] != '*')) | |
817a8255 EC |
8175 | { |
8176 | set_input (infiles[i].name); | |
8177 | break; | |
8178 | } | |
8179 | } | |
512b62fb | 8180 | |
6afbc885 | 8181 | if (!seen_error ()) |
15c5edb9 TT |
8182 | { |
8183 | /* Make sure INPUT_FILE_NUMBER points to first available open | |
8184 | slot. */ | |
8185 | input_file_number = n_infiles; | |
8186 | if (lang_specific_pre_link ()) | |
6afbc885 | 8187 | errorcount++; |
15c5edb9 | 8188 | } |
742a072a DM |
8189 | } |
8190 | ||
8191 | /* If we have to run the linker, do it now. */ | |
8192 | ||
8193 | void | |
8194 | driver::maybe_run_linker (const char *argv0) const | |
8195 | { | |
8196 | size_t i; | |
8197 | int linker_was_run = 0; | |
8198 | int num_linker_inputs; | |
f271358e | 8199 | |
17211ab5 GK |
8200 | /* Determine if there are any linker input files. */ |
8201 | num_linker_inputs = 0; | |
8202 | for (i = 0; (int) i < n_infiles; i++) | |
8203 | if (explicit_link_files[i] || outfiles[i] != NULL) | |
8204 | num_linker_inputs++; | |
8205 | ||
ed1f651b RS |
8206 | /* Run ld to link all the compiler output files. */ |
8207 | ||
6afbc885 | 8208 | if (num_linker_inputs > 0 && !seen_error () && print_subprocess_help < 2) |
ed1f651b RS |
8209 | { |
8210 | int tmp = execution_count; | |
117cb2bc JJ |
8211 | |
8212 | if (! have_c) | |
8213 | { | |
55b46574 RO |
8214 | #if HAVE_LTO_PLUGIN > 0 |
8215 | #if HAVE_LTO_PLUGIN == 2 | |
117cb2bc | 8216 | const char *fno_use_linker_plugin = "fno-use-linker-plugin"; |
96bdf9b4 | 8217 | #else |
117cb2bc | 8218 | const char *fuse_linker_plugin = "fuse-linker-plugin"; |
55b46574 | 8219 | #endif |
96bdf9b4 | 8220 | #endif |
b3865ca9 | 8221 | |
117cb2bc JJ |
8222 | /* We'll use ld if we can't find collect2. */ |
8223 | if (! strcmp (linker_name_spec, "collect2")) | |
8224 | { | |
8225 | char *s = find_a_file (&exec_prefixes, "collect2", X_OK, false); | |
8226 | if (s == NULL) | |
8227 | linker_name_spec = "ld"; | |
8228 | } | |
d7f09764 | 8229 | |
55b46574 RO |
8230 | #if HAVE_LTO_PLUGIN > 0 |
8231 | #if HAVE_LTO_PLUGIN == 2 | |
117cb2bc JJ |
8232 | if (!switch_matches (fno_use_linker_plugin, |
8233 | fno_use_linker_plugin | |
8234 | + strlen (fno_use_linker_plugin), 0)) | |
96bdf9b4 | 8235 | #else |
117cb2bc JJ |
8236 | if (switch_matches (fuse_linker_plugin, |
8237 | fuse_linker_plugin | |
8238 | + strlen (fuse_linker_plugin), 0)) | |
96bdf9b4 | 8239 | #endif |
117cb2bc | 8240 | { |
3c27ce4c JY |
8241 | char *temp_spec = find_a_file (&exec_prefixes, |
8242 | LTOPLUGINSONAME, R_OK, | |
8243 | false); | |
8244 | if (!temp_spec) | |
40fecdd6 JM |
8245 | fatal_error (input_location, |
8246 | "-fuse-linker-plugin, but %s not found", | |
117cb2bc | 8247 | LTOPLUGINSONAME); |
3c27ce4c | 8248 | linker_plugin_file_spec = convert_white_space (temp_spec); |
117cb2bc | 8249 | } |
55b46574 | 8250 | #endif |
742a072a | 8251 | lto_gcc_spec = argv0; |
117cb2bc | 8252 | } |
d7f09764 | 8253 | |
b3865ca9 RS |
8254 | /* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables |
8255 | for collect. */ | |
00dcee0c AM |
8256 | putenv_from_prefixes (&exec_prefixes, "COMPILER_PATH", false); |
8257 | putenv_from_prefixes (&startfile_prefixes, LIBRARY_PATH_ENV, true); | |
b3865ca9 | 8258 | |
a0f87454 RS |
8259 | if (print_subprocess_help == 1) |
8260 | { | |
8261 | printf (_("\nLinker options\n==============\n\n")); | |
8262 | printf (_("Use \"-Wl,OPTION\" to pass \"OPTION\"" | |
8263 | " to the linker.\n\n")); | |
8264 | fflush (stdout); | |
8265 | } | |
742a072a | 8266 | int value = do_spec (link_command_spec); |
ed1f651b | 8267 | if (value < 0) |
6afbc885 | 8268 | errorcount = 1; |
ed1f651b RS |
8269 | linker_was_run = (tmp != execution_count); |
8270 | } | |
8271 | ||
ed1f651b RS |
8272 | /* If options said don't run linker, |
8273 | complain about input files to be given to the linker. */ | |
8274 | ||
6afbc885 | 8275 | if (! linker_was_run && !seen_error ()) |
d25a45d4 | 8276 | for (i = 0; (int) i < n_infiles; i++) |
01e4dd0d KH |
8277 | if (explicit_link_files[i] |
8278 | && !(infiles[i].language && infiles[i].language[0] == '*')) | |
2dec80c7 JM |
8279 | warning (0, "%s: linker input file unused because linking not done", |
8280 | outfiles[i]); | |
742a072a DM |
8281 | } |
8282 | ||
8283 | /* The end of "main". */ | |
ed1f651b | 8284 | |
742a072a DM |
8285 | void |
8286 | driver::final_actions () const | |
8287 | { | |
ed1f651b RS |
8288 | /* Delete some or all of the temporary files we made. */ |
8289 | ||
6afbc885 | 8290 | if (seen_error ()) |
ed1f651b RS |
8291 | delete_failure_queue (); |
8292 | delete_temp_files (); | |
8293 | ||
b8468bc7 NC |
8294 | if (print_help_list) |
8295 | { | |
5e4adfba | 8296 | printf (("\nFor bug reporting instructions, please see:\n")); |
a976603e | 8297 | printf ("%s\n", bug_report_url); |
b8468bc7 | 8298 | } |
742a072a | 8299 | } |
9218435e | 8300 | |
742a072a DM |
8301 | /* Determine what the exit code of the driver should be. */ |
8302 | ||
8303 | int | |
8304 | driver::get_exit_code () const | |
8305 | { | |
14a774a9 | 8306 | return (signal_count != 0 ? 2 |
6afbc885 | 8307 | : seen_error () ? (pass_exit_codes ? greatest_status : 1) |
14a774a9 | 8308 | : 0); |
ed1f651b RS |
8309 | } |
8310 | ||
8311 | /* Find the proper compilation spec for the file name NAME, | |
004fd4d5 | 8312 | whose length is LENGTH. LANGUAGE is the specified language, |
e5e809f4 | 8313 | or 0 if this file is to be passed to the linker. */ |
ed1f651b RS |
8314 | |
8315 | static struct compiler * | |
1d088dee | 8316 | lookup_compiler (const char *name, size_t length, const char *language) |
ed1f651b RS |
8317 | { |
8318 | struct compiler *cp; | |
8319 | ||
3ac63d94 | 8320 | /* If this was specified by the user to be a linker input, indicate that. */ |
e5e809f4 JL |
8321 | if (language != 0 && language[0] == '*') |
8322 | return 0; | |
8323 | ||
8324 | /* Otherwise, look for the language, if one is spec'd. */ | |
ed1f651b RS |
8325 | if (language != 0) |
8326 | { | |
8327 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
e5e809f4 | 8328 | if (cp->suffix[0] == '@' && !strcmp (cp->suffix + 1, language)) |
cd445b54 ML |
8329 | { |
8330 | if (name != NULL && strcmp (name, "-") == 0 | |
8331 | && (strcmp (cp->suffix, "@c-header") == 0 | |
7e8400e2 ML |
8332 | || strcmp (cp->suffix, "@c++-header") == 0) |
8333 | && !have_E) | |
cd445b54 ML |
8334 | fatal_error (input_location, |
8335 | "cannot use %<-%> as input filename for a " | |
8336 | "precompiled header"); | |
8337 | ||
8338 | return cp; | |
8339 | } | |
e5e809f4 | 8340 | |
ed1f651b | 8341 | error ("language %s not recognized", language); |
e5e809f4 | 8342 | return 0; |
ed1f651b RS |
8343 | } |
8344 | ||
8345 | /* Look for a suffix. */ | |
8346 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
8347 | { | |
4cf3301c RS |
8348 | if (/* The suffix `-' matches only the file name `-'. */ |
8349 | (!strcmp (cp->suffix, "-") && !strcmp (name, "-")) | |
e5e809f4 JL |
8350 | || (strlen (cp->suffix) < length |
8351 | /* See if the suffix matches the end of NAME. */ | |
e5e809f4 JL |
8352 | && !strcmp (cp->suffix, |
8353 | name + length - strlen (cp->suffix)) | |
e5e809f4 | 8354 | )) |
589005ff | 8355 | break; |
03bf1c28 | 8356 | } |
e5e809f4 | 8357 | |
03bf1c28 | 8358 | #if defined (OS2) ||defined (HAVE_DOS_BASED_FILE_SYSTEM) |
a1105617 | 8359 | /* Look again, but case-insensitively this time. */ |
03bf1c28 MK |
8360 | if (cp < compilers) |
8361 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
8362 | { | |
8363 | if (/* The suffix `-' matches only the file name `-'. */ | |
8364 | (!strcmp (cp->suffix, "-") && !strcmp (name, "-")) | |
8365 | || (strlen (cp->suffix) < length | |
8366 | /* See if the suffix matches the end of NAME. */ | |
8367 | && ((!strcmp (cp->suffix, | |
8368 | name + length - strlen (cp->suffix)) | |
8369 | || !strpbrk (cp->suffix, "ABCDEFGHIJKLMNOPQRSTUVWXYZ")) | |
8370 | && !strcasecmp (cp->suffix, | |
8371 | name + length - strlen (cp->suffix))) | |
8372 | )) | |
8373 | break; | |
8374 | } | |
8375 | #endif | |
8376 | ||
03bf1c28 MK |
8377 | if (cp >= compilers) |
8378 | { | |
ea414c97 ZW |
8379 | if (cp->spec[0] != '@') |
8380 | /* A non-alias entry: return it. */ | |
8381 | return cp; | |
9218435e | 8382 | |
ea414c97 ZW |
8383 | /* An alias entry maps a suffix to a language. |
8384 | Search for the language; pass 0 for NAME and LENGTH | |
8385 | to avoid infinite recursion if language not found. */ | |
6496a589 | 8386 | return lookup_compiler (NULL, 0, cp->spec + 1); |
ed1f651b | 8387 | } |
ed1f651b RS |
8388 | return 0; |
8389 | } | |
8390 | \f | |
ed1f651b | 8391 | static char * |
1d088dee | 8392 | save_string (const char *s, int len) |
ed1f651b | 8393 | { |
5ed6ace5 | 8394 | char *result = XNEWVEC (char, len + 1); |
ed1f651b | 8395 | |
38359141 | 8396 | gcc_checking_assert (strlen (s) >= (unsigned int) len); |
da61dec9 | 8397 | memcpy (result, s, len); |
ed1f651b RS |
8398 | result[len] = 0; |
8399 | return result; | |
8400 | } | |
8401 | ||
d991c721 | 8402 | void |
1d088dee | 8403 | pfatal_with_name (const char *name) |
ed1f651b | 8404 | { |
ab87f8c8 JL |
8405 | perror_with_name (name); |
8406 | delete_temp_files (); | |
8407 | exit (1); | |
ed1f651b RS |
8408 | } |
8409 | ||
8410 | static void | |
1d088dee | 8411 | perror_with_name (const char *name) |
ed1f651b | 8412 | { |
bdc6b402 | 8413 | error ("%s: %m", name); |
ed1f651b | 8414 | } |
ed1f651b | 8415 | \f |
4977bab6 | 8416 | static inline void |
d168aaee | 8417 | validate_switches_from_spec (const char *spec, bool user) |
4977bab6 ZW |
8418 | { |
8419 | const char *p = spec; | |
8420 | char c; | |
8421 | while ((c = *p++)) | |
e7208389 EB |
8422 | if (c == '%' |
8423 | && (*p == '{' | |
8424 | || *p == '<' | |
8425 | || (*p == 'W' && *++p == '{') | |
8426 | || (*p == '@' && *++p == '{'))) | |
4977bab6 | 8427 | /* We have a switch spec. */ |
d168aaee | 8428 | p = validate_switches (p + 1, user); |
4977bab6 ZW |
8429 | } |
8430 | ||
ed1f651b | 8431 | static void |
1d088dee | 8432 | validate_all_switches (void) |
ed1f651b RS |
8433 | { |
8434 | struct compiler *comp; | |
b3865ca9 | 8435 | struct spec_list *spec; |
ed1f651b | 8436 | |
ea414c97 | 8437 | for (comp = compilers; comp->spec; comp++) |
d168aaee | 8438 | validate_switches_from_spec (comp->spec, false); |
ed1f651b | 8439 | |
3ac63d94 | 8440 | /* Look through the linked list of specs read from the specs file. */ |
d25a45d4 | 8441 | for (spec = specs; spec; spec = spec->next) |
d168aaee | 8442 | validate_switches_from_spec (*spec->ptr_spec, spec->user_p); |
b3865ca9 | 8443 | |
d168aaee | 8444 | validate_switches_from_spec (link_command_spec, false); |
ed1f651b RS |
8445 | } |
8446 | ||
8447 | /* Look at the switch-name that comes after START | |
8448 | and mark as valid all supplied switches that match it. */ | |
8449 | ||
4977bab6 | 8450 | static const char * |
d168aaee | 8451 | validate_switches (const char *start, bool user_spec) |
ed1f651b | 8452 | { |
b3694847 | 8453 | const char *p = start; |
4977bab6 ZW |
8454 | const char *atom; |
8455 | size_t len; | |
b3694847 | 8456 | int i; |
4977bab6 ZW |
8457 | bool suffix = false; |
8458 | bool starred = false; | |
1d088dee | 8459 | |
4977bab6 | 8460 | #define SKIP_WHITE() do { while (*p == ' ' || *p == '\t') p++; } while (0) |
1d088dee | 8461 | |
10ebf5fe | 8462 | next_member: |
4977bab6 ZW |
8463 | SKIP_WHITE (); |
8464 | ||
ed1f651b | 8465 | if (*p == '!') |
4977bab6 | 8466 | p++; |
ed1f651b | 8467 | |
4977bab6 | 8468 | SKIP_WHITE (); |
48137d59 | 8469 | if (*p == '.' || *p == ',') |
4977bab6 | 8470 | suffix = true, p++; |
ed1f651b | 8471 | |
4977bab6 ZW |
8472 | atom = p; |
8473 | while (ISIDNUM (*p) || *p == '-' || *p == '+' || *p == '=' | |
7a975113 | 8474 | || *p == ',' || *p == '.' || *p == '@') |
d25a45d4 | 8475 | p++; |
4977bab6 | 8476 | len = p - atom; |
ed1f651b | 8477 | |
4977bab6 ZW |
8478 | if (*p == '*') |
8479 | starred = true, p++; | |
8480 | ||
8481 | SKIP_WHITE (); | |
8482 | ||
8483 | if (!suffix) | |
ed1f651b RS |
8484 | { |
8485 | /* Mark all matching switches as valid. */ | |
ed1f651b | 8486 | for (i = 0; i < n_switches; i++) |
4977bab6 | 8487 | if (!strncmp (switches[i].part1, atom, len) |
d168aaee CB |
8488 | && (starred || switches[i].part1[len] == '\0') |
8489 | && (switches[i].known || user_spec)) | |
8490 | switches[i].validated = true; | |
ed1f651b | 8491 | } |
4977bab6 | 8492 | |
5a0ba8c9 LJR |
8493 | if (*p) p++; |
8494 | if (*p && (p[-1] == '|' || p[-1] == '&')) | |
4977bab6 ZW |
8495 | goto next_member; |
8496 | ||
5a0ba8c9 | 8497 | if (*p && p[-1] == ':') |
ed1f651b | 8498 | { |
4977bab6 | 8499 | while (*p && *p != ';' && *p != '}') |
ed1f651b | 8500 | { |
4977bab6 ZW |
8501 | if (*p == '%') |
8502 | { | |
8503 | p++; | |
8504 | if (*p == '{' || *p == '<') | |
d168aaee | 8505 | p = validate_switches (p+1, user_spec); |
4977bab6 | 8506 | else if (p[0] == 'W' && p[1] == '{') |
d168aaee | 8507 | p = validate_switches (p+2, user_spec); |
e7208389 EB |
8508 | else if (p[0] == '@' && p[1] == '{') |
8509 | p = validate_switches (p+2, user_spec); | |
4977bab6 | 8510 | } |
e17aafd1 GK |
8511 | else |
8512 | p++; | |
ed1f651b | 8513 | } |
4977bab6 | 8514 | |
5a0ba8c9 LJR |
8515 | if (*p) p++; |
8516 | if (*p && p[-1] == ';') | |
4977bab6 | 8517 | goto next_member; |
ed1f651b | 8518 | } |
10ebf5fe | 8519 | |
4977bab6 ZW |
8520 | return p; |
8521 | #undef SKIP_WHITE | |
ed1f651b | 8522 | } |
60103a34 | 8523 | \f |
5bbcd587 JJ |
8524 | struct mdswitchstr |
8525 | { | |
8526 | const char *str; | |
8527 | int len; | |
8528 | }; | |
8529 | ||
8530 | static struct mdswitchstr *mdswitches; | |
8531 | static int n_mdswitches; | |
8532 | ||
961b7009 | 8533 | /* Check whether a particular argument was used. The first time we |
956d6950 | 8534 | canonicalize the switches to keep only the ones we care about. */ |
60103a34 | 8535 | |
9376dd63 | 8536 | class used_arg_t |
60103a34 | 8537 | { |
9376dd63 DM |
8538 | public: |
8539 | int operator () (const char *p, int len); | |
8540 | void finalize (); | |
8541 | ||
8542 | private: | |
3ac63d94 NC |
8543 | struct mswitchstr |
8544 | { | |
3b304f5b ZW |
8545 | const char *str; |
8546 | const char *replace; | |
961b7009 MM |
8547 | int len; |
8548 | int rep_len; | |
8549 | }; | |
8550 | ||
9376dd63 DM |
8551 | mswitchstr *mswitches; |
8552 | int n_mswitches; | |
8553 | ||
8554 | }; | |
8555 | ||
8556 | used_arg_t used_arg; | |
8557 | ||
8558 | int | |
8559 | used_arg_t::operator () (const char *p, int len) | |
8560 | { | |
961b7009 MM |
8561 | int i, j; |
8562 | ||
8563 | if (!mswitches) | |
8564 | { | |
8565 | struct mswitchstr *matches; | |
3b304f5b | 8566 | const char *q; |
c8c2dcdc | 8567 | int cnt = 0; |
961b7009 | 8568 | |
d25a45d4 KH |
8569 | /* Break multilib_matches into the component strings of string |
8570 | and replacement string. */ | |
1a0bdd29 RK |
8571 | for (q = multilib_matches; *q != '\0'; q++) |
8572 | if (*q == ';') | |
961b7009 MM |
8573 | cnt++; |
8574 | ||
e1e4cdc4 KG |
8575 | matches |
8576 | = (struct mswitchstr *) alloca ((sizeof (struct mswitchstr)) * cnt); | |
961b7009 MM |
8577 | i = 0; |
8578 | q = multilib_matches; | |
8579 | while (*q != '\0') | |
8580 | { | |
8581 | matches[i].str = q; | |
8582 | while (*q != ' ') | |
8583 | { | |
8584 | if (*q == '\0') | |
3b5edfee NS |
8585 | { |
8586 | invalid_matches: | |
40fecdd6 | 8587 | fatal_error (input_location, "multilib spec %qs is invalid", |
2dec80c7 | 8588 | multilib_matches); |
3b5edfee | 8589 | } |
961b7009 MM |
8590 | q++; |
8591 | } | |
961b7009 | 8592 | matches[i].len = q - matches[i].str; |
60103a34 | 8593 | |
961b7009 MM |
8594 | matches[i].replace = ++q; |
8595 | while (*q != ';' && *q != '\0') | |
8596 | { | |
8597 | if (*q == ' ') | |
3b5edfee | 8598 | goto invalid_matches; |
961b7009 MM |
8599 | q++; |
8600 | } | |
8601 | matches[i].rep_len = q - matches[i].replace; | |
8602 | i++; | |
83a0c799 ZW |
8603 | if (*q == ';') |
8604 | q++; | |
961b7009 | 8605 | } |
60103a34 | 8606 | |
71591a1d JW |
8607 | /* Now build a list of the replacement string for switches that we care |
8608 | about. Make sure we allocate at least one entry. This prevents | |
8609 | xmalloc from calling fatal, and prevents us from re-executing this | |
8610 | block of code. */ | |
8611 | mswitches | |
5ed6ace5 | 8612 | = XNEWVEC (struct mswitchstr, n_mdswitches + (n_switches ? n_switches : 1)); |
961b7009 | 8613 | for (i = 0; i < n_switches; i++) |
3371362c | 8614 | if ((switches[i].live_cond & SWITCH_IGNORE) == 0) |
f645e2bd RS |
8615 | { |
8616 | int xlen = strlen (switches[i].part1); | |
8617 | for (j = 0; j < cnt; j++) | |
8618 | if (xlen == matches[j].len | |
8619 | && ! strncmp (switches[i].part1, matches[j].str, xlen)) | |
8620 | { | |
8621 | mswitches[n_mswitches].str = matches[j].replace; | |
8622 | mswitches[n_mswitches].len = matches[j].rep_len; | |
8623 | mswitches[n_mswitches].replace = (char *) 0; | |
8624 | mswitches[n_mswitches].rep_len = 0; | |
8625 | n_mswitches++; | |
8626 | break; | |
8627 | } | |
8628 | } | |
5bbcd587 JJ |
8629 | |
8630 | /* Add MULTILIB_DEFAULTS switches too, as long as they were not present | |
8631 | on the command line nor any options mutually incompatible with | |
8632 | them. */ | |
8633 | for (i = 0; i < n_mdswitches; i++) | |
8634 | { | |
8635 | const char *r; | |
8636 | ||
59b266b1 | 8637 | for (q = multilib_options; *q != '\0'; *q && q++) |
5bbcd587 JJ |
8638 | { |
8639 | while (*q == ' ') | |
8640 | q++; | |
8641 | ||
8642 | r = q; | |
8643 | while (strncmp (q, mdswitches[i].str, mdswitches[i].len) != 0 | |
8644 | || strchr (" /", q[mdswitches[i].len]) == NULL) | |
8645 | { | |
8646 | while (*q != ' ' && *q != '/' && *q != '\0') | |
8647 | q++; | |
8648 | if (*q != '/') | |
8649 | break; | |
8650 | q++; | |
8651 | } | |
8652 | ||
8653 | if (*q != ' ' && *q != '\0') | |
8654 | { | |
8655 | while (*r != ' ' && *r != '\0') | |
8656 | { | |
8657 | q = r; | |
8658 | while (*q != ' ' && *q != '/' && *q != '\0') | |
8659 | q++; | |
8660 | ||
8661 | if (used_arg (r, q - r)) | |
8662 | break; | |
8663 | ||
8664 | if (*q != '/') | |
8665 | { | |
8666 | mswitches[n_mswitches].str = mdswitches[i].str; | |
8667 | mswitches[n_mswitches].len = mdswitches[i].len; | |
8668 | mswitches[n_mswitches].replace = (char *) 0; | |
8669 | mswitches[n_mswitches].rep_len = 0; | |
8670 | n_mswitches++; | |
8671 | break; | |
8672 | } | |
8673 | ||
8674 | r = q + 1; | |
8675 | } | |
8676 | break; | |
8677 | } | |
8678 | } | |
8679 | } | |
961b7009 | 8680 | } |
03c42484 | 8681 | |
961b7009 MM |
8682 | for (i = 0; i < n_mswitches; i++) |
8683 | if (len == mswitches[i].len && ! strncmp (p, mswitches[i].str, len)) | |
8684 | return 1; | |
03c42484 | 8685 | |
961b7009 MM |
8686 | return 0; |
8687 | } | |
03c42484 | 8688 | |
9376dd63 DM |
8689 | void used_arg_t::finalize () |
8690 | { | |
8691 | XDELETEVEC (mswitches); | |
8692 | mswitches = NULL; | |
8693 | n_mswitches = 0; | |
8694 | } | |
8695 | ||
8696 | ||
03c42484 | 8697 | static int |
1d088dee | 8698 | default_arg (const char *p, int len) |
03c42484 | 8699 | { |
5bbcd587 | 8700 | int i; |
e29ef920 | 8701 | |
5bbcd587 JJ |
8702 | for (i = 0; i < n_mdswitches; i++) |
8703 | if (len == mdswitches[i].len && ! strncmp (p, mdswitches[i].str, len)) | |
8704 | return 1; | |
03c42484 RK |
8705 | |
8706 | return 0; | |
8707 | } | |
8708 | ||
0a8d6618 BC |
8709 | /* Work out the subdirectory to use based on the options. The format of |
8710 | multilib_select is a list of elements. Each element is a subdirectory | |
8711 | name followed by a list of options followed by a semicolon. The format | |
8712 | of multilib_exclusions is the same, but without the preceding | |
8713 | directory. First gcc will check the exclusions, if none of the options | |
8714 | beginning with an exclamation point are present, and all of the other | |
8715 | options are present, then we will ignore this completely. Passing | |
8716 | that, gcc will consider each multilib_select in turn using the same | |
8717 | rules for matching the options. If a match is found, that subdirectory | |
e0cdc09f MK |
8718 | will be used. |
8719 | A subdirectory name is optionally followed by a colon and the corresponding | |
8720 | multiarch name. */ | |
60103a34 DE |
8721 | |
8722 | static void | |
1d088dee | 8723 | set_multilib_dir (void) |
60103a34 | 8724 | { |
3b304f5b | 8725 | const char *p; |
3ac63d94 | 8726 | unsigned int this_path_len; |
3b304f5b | 8727 | const char *this_path, *this_arg; |
5bbcd587 | 8728 | const char *start, *end; |
03c42484 | 8729 | int not_arg; |
5bbcd587 JJ |
8730 | int ok, ndfltok, first; |
8731 | ||
8732 | n_mdswitches = 0; | |
8733 | start = multilib_defaults; | |
8734 | while (*start == ' ' || *start == '\t') | |
8735 | start++; | |
8736 | while (*start != '\0') | |
8737 | { | |
8738 | n_mdswitches++; | |
8739 | while (*start != ' ' && *start != '\t' && *start != '\0') | |
8740 | start++; | |
8741 | while (*start == ' ' || *start == '\t') | |
8742 | start++; | |
8743 | } | |
8744 | ||
8745 | if (n_mdswitches) | |
8746 | { | |
8747 | int i = 0; | |
8748 | ||
5ed6ace5 | 8749 | mdswitches = XNEWVEC (struct mdswitchstr, n_mdswitches); |
5bbcd587 JJ |
8750 | for (start = multilib_defaults; *start != '\0'; start = end + 1) |
8751 | { | |
8752 | while (*start == ' ' || *start == '\t') | |
8753 | start++; | |
8754 | ||
8755 | if (*start == '\0') | |
8756 | break; | |
1d088dee | 8757 | |
5bbcd587 JJ |
8758 | for (end = start + 1; |
8759 | *end != ' ' && *end != '\t' && *end != '\0'; end++) | |
8760 | ; | |
8761 | ||
8762 | obstack_grow (&multilib_obstack, start, end - start); | |
8763 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 8764 | mdswitches[i].str = XOBFINISH (&multilib_obstack, const char *); |
5bbcd587 JJ |
8765 | mdswitches[i++].len = end - start; |
8766 | ||
8767 | if (*end == '\0') | |
8768 | break; | |
8769 | } | |
8770 | } | |
60103a34 | 8771 | |
0a8d6618 BC |
8772 | p = multilib_exclusions; |
8773 | while (*p != '\0') | |
8774 | { | |
8775 | /* Ignore newlines. */ | |
8776 | if (*p == '\n') | |
d25a45d4 KH |
8777 | { |
8778 | ++p; | |
8779 | continue; | |
8780 | } | |
0a8d6618 BC |
8781 | |
8782 | /* Check the arguments. */ | |
8783 | ok = 1; | |
8784 | while (*p != ';') | |
d25a45d4 KH |
8785 | { |
8786 | if (*p == '\0') | |
3b5edfee NS |
8787 | { |
8788 | invalid_exclusions: | |
40fecdd6 | 8789 | fatal_error (input_location, "multilib exclusions %qs is invalid", |
2dec80c7 | 8790 | multilib_exclusions); |
3b5edfee | 8791 | } |
d25a45d4 KH |
8792 | |
8793 | if (! ok) | |
8794 | { | |
8795 | ++p; | |
8796 | continue; | |
8797 | } | |
8798 | ||
8799 | this_arg = p; | |
8800 | while (*p != ' ' && *p != ';') | |
8801 | { | |
8802 | if (*p == '\0') | |
3b5edfee | 8803 | goto invalid_exclusions; |
d25a45d4 KH |
8804 | ++p; |
8805 | } | |
8806 | ||
8807 | if (*this_arg != '!') | |
8808 | not_arg = 0; | |
8809 | else | |
8810 | { | |
8811 | not_arg = 1; | |
8812 | ++this_arg; | |
8813 | } | |
9218435e | 8814 | |
0a8d6618 BC |
8815 | ok = used_arg (this_arg, p - this_arg); |
8816 | if (not_arg) | |
8817 | ok = ! ok; | |
8818 | ||
d25a45d4 KH |
8819 | if (*p == ' ') |
8820 | ++p; | |
8821 | } | |
0a8d6618 BC |
8822 | |
8823 | if (ok) | |
3ac63d94 | 8824 | return; |
0a8d6618 BC |
8825 | |
8826 | ++p; | |
8827 | } | |
8828 | ||
5bbcd587 | 8829 | first = 1; |
0a8d6618 | 8830 | p = multilib_select; |
e7f49d92 TG |
8831 | |
8832 | /* Append multilib reuse rules if any. With those rules, we can reuse | |
8833 | one multilib for certain different options sets. */ | |
8834 | if (strlen (multilib_reuse) > 0) | |
8835 | p = concat (p, multilib_reuse, NULL); | |
8836 | ||
60103a34 DE |
8837 | while (*p != '\0') |
8838 | { | |
8839 | /* Ignore newlines. */ | |
8840 | if (*p == '\n') | |
8841 | { | |
8842 | ++p; | |
8843 | continue; | |
8844 | } | |
8845 | ||
8846 | /* Get the initial path. */ | |
8847 | this_path = p; | |
8848 | while (*p != ' ') | |
8849 | { | |
8850 | if (*p == '\0') | |
3b5edfee NS |
8851 | { |
8852 | invalid_select: | |
40fecdd6 | 8853 | fatal_error (input_location, "multilib select %qs %qs is invalid", |
e7f49d92 | 8854 | multilib_select, multilib_reuse); |
3b5edfee | 8855 | } |
60103a34 DE |
8856 | ++p; |
8857 | } | |
8858 | this_path_len = p - this_path; | |
8859 | ||
8860 | /* Check the arguments. */ | |
03c42484 | 8861 | ok = 1; |
5bbcd587 | 8862 | ndfltok = 1; |
60103a34 DE |
8863 | ++p; |
8864 | while (*p != ';') | |
8865 | { | |
8866 | if (*p == '\0') | |
3b5edfee | 8867 | goto invalid_select; |
60103a34 | 8868 | |
03c42484 | 8869 | if (! ok) |
60103a34 DE |
8870 | { |
8871 | ++p; | |
8872 | continue; | |
8873 | } | |
8874 | ||
8875 | this_arg = p; | |
8876 | while (*p != ' ' && *p != ';') | |
8877 | { | |
8878 | if (*p == '\0') | |
3b5edfee | 8879 | goto invalid_select; |
60103a34 DE |
8880 | ++p; |
8881 | } | |
8882 | ||
03c42484 RK |
8883 | if (*this_arg != '!') |
8884 | not_arg = 0; | |
60103a34 | 8885 | else |
03c42484 RK |
8886 | { |
8887 | not_arg = 1; | |
8888 | ++this_arg; | |
8889 | } | |
8890 | ||
8891 | /* If this is a default argument, we can just ignore it. | |
8892 | This is true even if this_arg begins with '!'. Beginning | |
8893 | with '!' does not mean that this argument is necessarily | |
8894 | inappropriate for this library: it merely means that | |
8895 | there is a more specific library which uses this | |
8896 | argument. If this argument is a default, we need not | |
8897 | consider that more specific library. */ | |
5bbcd587 JJ |
8898 | ok = used_arg (this_arg, p - this_arg); |
8899 | if (not_arg) | |
8900 | ok = ! ok; | |
8901 | ||
8902 | if (! ok) | |
8903 | ndfltok = 0; | |
8904 | ||
8905 | if (default_arg (this_arg, p - this_arg)) | |
8906 | ok = 1; | |
60103a34 DE |
8907 | |
8908 | if (*p == ' ') | |
8909 | ++p; | |
8910 | } | |
8911 | ||
5bbcd587 | 8912 | if (ok && first) |
60103a34 DE |
8913 | { |
8914 | if (this_path_len != 1 | |
8915 | || this_path[0] != '.') | |
8916 | { | |
5ed6ace5 | 8917 | char *new_multilib_dir = XNEWVEC (char, this_path_len + 1); |
5bbcd587 JJ |
8918 | char *q; |
8919 | ||
878f32c3 KG |
8920 | strncpy (new_multilib_dir, this_path, this_path_len); |
8921 | new_multilib_dir[this_path_len] = '\0'; | |
5bbcd587 JJ |
8922 | q = strchr (new_multilib_dir, ':'); |
8923 | if (q != NULL) | |
8924 | *q = '\0'; | |
878f32c3 | 8925 | multilib_dir = new_multilib_dir; |
60103a34 | 8926 | } |
5bbcd587 JJ |
8927 | first = 0; |
8928 | } | |
8929 | ||
8930 | if (ndfltok) | |
8931 | { | |
8932 | const char *q = this_path, *end = this_path + this_path_len; | |
8933 | ||
8934 | while (q < end && *q != ':') | |
8935 | q++; | |
c49d2df6 | 8936 | if (q < end) |
5bbcd587 | 8937 | { |
e0cdc09f MK |
8938 | const char *q2 = q + 1, *ml_end = end; |
8939 | char *new_multilib_os_dir; | |
8940 | ||
8941 | while (q2 < end && *q2 != ':') | |
8942 | q2++; | |
8943 | if (*q2 == ':') | |
8944 | ml_end = q2; | |
646d1bed PG |
8945 | if (ml_end - q == 1) |
8946 | multilib_os_dir = xstrdup ("."); | |
8947 | else | |
8948 | { | |
8949 | new_multilib_os_dir = XNEWVEC (char, ml_end - q); | |
8950 | memcpy (new_multilib_os_dir, q + 1, ml_end - q - 1); | |
8951 | new_multilib_os_dir[ml_end - q - 1] = '\0'; | |
8952 | multilib_os_dir = new_multilib_os_dir; | |
8953 | } | |
e0cdc09f MK |
8954 | |
8955 | if (q2 < end && *q2 == ':') | |
8956 | { | |
8957 | char *new_multiarch_dir = XNEWVEC (char, end - q2); | |
8958 | memcpy (new_multiarch_dir, q2 + 1, end - q2 - 1); | |
8959 | new_multiarch_dir[end - q2 - 1] = '\0'; | |
8960 | multiarch_dir = new_multiarch_dir; | |
8961 | } | |
5bbcd587 JJ |
8962 | break; |
8963 | } | |
60103a34 DE |
8964 | } |
8965 | ||
8966 | ++p; | |
9218435e | 8967 | } |
5bbcd587 JJ |
8968 | |
8969 | if (multilib_dir == NULL && multilib_os_dir != NULL | |
3c40bd65 | 8970 | && strcmp (multilib_os_dir, ".") == 0) |
5bbcd587 | 8971 | { |
b1d5455a | 8972 | free (CONST_CAST (char *, multilib_os_dir)); |
5bbcd587 JJ |
8973 | multilib_os_dir = NULL; |
8974 | } | |
8975 | else if (multilib_dir != NULL && multilib_os_dir == NULL) | |
8976 | multilib_os_dir = multilib_dir; | |
60103a34 DE |
8977 | } |
8978 | ||
8979 | /* Print out the multiple library subdirectory selection | |
8980 | information. This prints out a series of lines. Each line looks | |
8981 | like SUBDIRECTORY;@OPTION@OPTION, with as many options as is | |
8982 | required. Only the desired options are printed out, the negative | |
8983 | matches. The options are print without a leading dash. There are | |
8984 | no spaces to make it easy to use the information in the shell. | |
8985 | Each subdirectory is printed only once. This assumes the ordering | |
0a8d6618 BC |
8986 | generated by the genmultilib script. Also, we leave out ones that match |
8987 | the exclusions. */ | |
60103a34 DE |
8988 | |
8989 | static void | |
1d088dee | 8990 | print_multilib_info (void) |
60103a34 | 8991 | { |
3b304f5b ZW |
8992 | const char *p = multilib_select; |
8993 | const char *last_path = 0, *this_path; | |
03c42484 | 8994 | int skip; |
3ac63d94 | 8995 | unsigned int last_path_len = 0; |
60103a34 DE |
8996 | |
8997 | while (*p != '\0') | |
8998 | { | |
0a8d6618 | 8999 | skip = 0; |
60103a34 DE |
9000 | /* Ignore newlines. */ |
9001 | if (*p == '\n') | |
9002 | { | |
9003 | ++p; | |
9004 | continue; | |
9005 | } | |
9006 | ||
9007 | /* Get the initial path. */ | |
9008 | this_path = p; | |
9009 | while (*p != ' ') | |
9010 | { | |
9011 | if (*p == '\0') | |
3b5edfee NS |
9012 | { |
9013 | invalid_select: | |
40fecdd6 JM |
9014 | fatal_error (input_location, |
9015 | "multilib select %qs is invalid", multilib_select); | |
3b5edfee | 9016 | } |
7904f95f | 9017 | |
60103a34 DE |
9018 | ++p; |
9019 | } | |
9020 | ||
c49d2df6 | 9021 | /* When --disable-multilib was used but target defines |
e0cdc09f MK |
9022 | MULTILIB_OSDIRNAMES, entries starting with .: (and not starting |
9023 | with .:: for multiarch configurations) are there just to find | |
9024 | multilib_os_dir, so skip them from output. */ | |
9025 | if (this_path[0] == '.' && this_path[1] == ':' && this_path[2] != ':') | |
c49d2df6 JJ |
9026 | skip = 1; |
9027 | ||
0a8d6618 BC |
9028 | /* Check for matches with the multilib_exclusions. We don't bother |
9029 | with the '!' in either list. If any of the exclusion rules match | |
9030 | all of its options with the select rule, we skip it. */ | |
d25a45d4 KH |
9031 | { |
9032 | const char *e = multilib_exclusions; | |
9033 | const char *this_arg; | |
0a8d6618 | 9034 | |
d25a45d4 KH |
9035 | while (*e != '\0') |
9036 | { | |
9037 | int m = 1; | |
9038 | /* Ignore newlines. */ | |
9039 | if (*e == '\n') | |
9040 | { | |
9041 | ++e; | |
9042 | continue; | |
9043 | } | |
0a8d6618 | 9044 | |
d25a45d4 KH |
9045 | /* Check the arguments. */ |
9046 | while (*e != ';') | |
9047 | { | |
9048 | const char *q; | |
9049 | int mp = 0; | |
0a8d6618 | 9050 | |
d25a45d4 | 9051 | if (*e == '\0') |
3b5edfee NS |
9052 | { |
9053 | invalid_exclusion: | |
40fecdd6 JM |
9054 | fatal_error (input_location, |
9055 | "multilib exclusion %qs is invalid", | |
2dec80c7 | 9056 | multilib_exclusions); |
3b5edfee | 9057 | } |
9218435e | 9058 | |
d25a45d4 KH |
9059 | if (! m) |
9060 | { | |
9061 | ++e; | |
9062 | continue; | |
9063 | } | |
0a8d6618 | 9064 | |
d25a45d4 | 9065 | this_arg = e; |
9218435e | 9066 | |
d25a45d4 KH |
9067 | while (*e != ' ' && *e != ';') |
9068 | { | |
9069 | if (*e == '\0') | |
3b5edfee | 9070 | goto invalid_exclusion; |
d25a45d4 KH |
9071 | ++e; |
9072 | } | |
0a8d6618 | 9073 | |
d25a45d4 KH |
9074 | q = p + 1; |
9075 | while (*q != ';') | |
9076 | { | |
9077 | const char *arg; | |
9078 | int len = e - this_arg; | |
0a8d6618 | 9079 | |
d25a45d4 | 9080 | if (*q == '\0') |
3b5edfee | 9081 | goto invalid_select; |
0a8d6618 | 9082 | |
d25a45d4 KH |
9083 | arg = q; |
9084 | ||
9085 | while (*q != ' ' && *q != ';') | |
9086 | { | |
9087 | if (*q == '\0') | |
3b5edfee | 9088 | goto invalid_select; |
0a8d6618 | 9089 | ++q; |
d25a45d4 | 9090 | } |
0a8d6618 | 9091 | |
3b5edfee NS |
9092 | if (! strncmp (arg, this_arg, |
9093 | (len < q - arg) ? q - arg : len) | |
9094 | || default_arg (this_arg, e - this_arg)) | |
d25a45d4 KH |
9095 | { |
9096 | mp = 1; | |
9097 | break; | |
9098 | } | |
0a8d6618 | 9099 | |
d25a45d4 KH |
9100 | if (*q == ' ') |
9101 | ++q; | |
9102 | } | |
9218435e | 9103 | |
d25a45d4 KH |
9104 | if (! mp) |
9105 | m = 0; | |
0a8d6618 | 9106 | |
d25a45d4 KH |
9107 | if (*e == ' ') |
9108 | ++e; | |
9109 | } | |
9110 | ||
9111 | if (m) | |
9112 | { | |
9113 | skip = 1; | |
9114 | break; | |
9115 | } | |
9116 | ||
9117 | if (*e != '\0') | |
9118 | ++e; | |
9119 | } | |
9120 | } | |
0a8d6618 BC |
9121 | |
9122 | if (! skip) | |
d25a45d4 KH |
9123 | { |
9124 | /* If this is a duplicate, skip it. */ | |
3b5edfee NS |
9125 | skip = (last_path != 0 |
9126 | && (unsigned int) (p - this_path) == last_path_len | |
ba78087b | 9127 | && ! filename_ncmp (last_path, this_path, last_path_len)); |
60103a34 | 9128 | |
d25a45d4 KH |
9129 | last_path = this_path; |
9130 | last_path_len = p - this_path; | |
0a8d6618 | 9131 | } |
60103a34 | 9132 | |
03c42484 RK |
9133 | /* If this directory requires any default arguments, we can skip |
9134 | it. We will already have printed a directory identical to | |
9135 | this one which does not require that default argument. */ | |
9136 | if (! skip) | |
9137 | { | |
3b304f5b | 9138 | const char *q; |
03c42484 RK |
9139 | |
9140 | q = p + 1; | |
9141 | while (*q != ';') | |
9142 | { | |
3b304f5b | 9143 | const char *arg; |
03c42484 RK |
9144 | |
9145 | if (*q == '\0') | |
3b5edfee | 9146 | goto invalid_select; |
03c42484 RK |
9147 | |
9148 | if (*q == '!') | |
9149 | arg = NULL; | |
9150 | else | |
9151 | arg = q; | |
9152 | ||
9153 | while (*q != ' ' && *q != ';') | |
9154 | { | |
9155 | if (*q == '\0') | |
3b5edfee | 9156 | goto invalid_select; |
03c42484 RK |
9157 | ++q; |
9158 | } | |
9159 | ||
9160 | if (arg != NULL | |
9161 | && default_arg (arg, q - arg)) | |
9162 | { | |
9163 | skip = 1; | |
9164 | break; | |
9165 | } | |
9166 | ||
9167 | if (*q == ' ') | |
9168 | ++q; | |
9169 | } | |
9170 | } | |
9171 | ||
60103a34 DE |
9172 | if (! skip) |
9173 | { | |
3b304f5b | 9174 | const char *p1; |
60103a34 | 9175 | |
5bbcd587 | 9176 | for (p1 = last_path; p1 < p && *p1 != ':'; p1++) |
60103a34 DE |
9177 | putchar (*p1); |
9178 | putchar (';'); | |
9179 | } | |
9180 | ||
9181 | ++p; | |
9182 | while (*p != ';') | |
9183 | { | |
9184 | int use_arg; | |
9185 | ||
9186 | if (*p == '\0') | |
3b5edfee | 9187 | goto invalid_select; |
60103a34 DE |
9188 | |
9189 | if (skip) | |
9190 | { | |
9191 | ++p; | |
9192 | continue; | |
9193 | } | |
9194 | ||
9195 | use_arg = *p != '!'; | |
9196 | ||
9197 | if (use_arg) | |
9198 | putchar ('@'); | |
9199 | ||
9200 | while (*p != ' ' && *p != ';') | |
9201 | { | |
9202 | if (*p == '\0') | |
3b5edfee | 9203 | goto invalid_select; |
60103a34 DE |
9204 | if (use_arg) |
9205 | putchar (*p); | |
9206 | ++p; | |
9207 | } | |
9208 | ||
9209 | if (*p == ' ') | |
9210 | ++p; | |
9211 | } | |
9212 | ||
9213 | if (! skip) | |
961b7009 | 9214 | { |
3ac63d94 | 9215 | /* If there are extra options, print them now. */ |
961b7009 MM |
9216 | if (multilib_extra && *multilib_extra) |
9217 | { | |
9218 | int print_at = TRUE; | |
3b304f5b | 9219 | const char *q; |
961b7009 MM |
9220 | |
9221 | for (q = multilib_extra; *q != '\0'; q++) | |
9222 | { | |
9223 | if (*q == ' ') | |
9224 | print_at = TRUE; | |
9225 | else | |
9226 | { | |
9227 | if (print_at) | |
9228 | putchar ('@'); | |
9229 | putchar (*q); | |
9230 | print_at = FALSE; | |
9231 | } | |
9232 | } | |
9233 | } | |
9218435e | 9234 | |
961b7009 MM |
9235 | putchar ('\n'); |
9236 | } | |
60103a34 DE |
9237 | |
9238 | ++p; | |
9239 | } | |
9240 | } | |
f3226a90 | 9241 | \f |
30d8946b MM |
9242 | /* getenv built-in spec function. |
9243 | ||
ba85c5fd OH |
9244 | Returns the value of the environment variable given by its first argument, |
9245 | concatenated with the second argument. If the variable is not defined, a | |
9246 | fatal error is issued unless such undefs are internally allowed, in which | |
58691d4a OH |
9247 | case the variable name prefixed by a '/' is used as the variable value. |
9248 | ||
9249 | The leading '/' allows using the result at a spot where a full path would | |
9250 | normally be expected and when the actual value doesn't really matter since | |
9251 | undef vars are allowed. */ | |
30d8946b MM |
9252 | |
9253 | static const char * | |
9254 | getenv_spec_function (int argc, const char **argv) | |
9255 | { | |
9376dd63 | 9256 | const char *value; |
ba85c5fd OH |
9257 | const char *varname; |
9258 | ||
5557813a NS |
9259 | char *result; |
9260 | char *ptr; | |
9261 | size_t len; | |
30d8946b MM |
9262 | |
9263 | if (argc != 2) | |
9264 | return NULL; | |
9265 | ||
ba85c5fd OH |
9266 | varname = argv[0]; |
9267 | value = env.get (varname); | |
9268 | ||
58691d4a OH |
9269 | /* If the variable isn't defined and this is allowed, craft our expected |
9270 | return value. Assume variable names used in specs strings don't contain | |
9271 | any active spec character so don't need escaping. */ | |
ba85c5fd | 9272 | if (!value && spec_undefvar_allowed) |
58691d4a OH |
9273 | { |
9274 | result = XNEWVAR (char, strlen(varname) + 2); | |
9275 | sprintf (result, "/%s", varname); | |
9276 | return result; | |
9277 | } | |
ba85c5fd | 9278 | |
30d8946b | 9279 | if (!value) |
40fecdd6 | 9280 | fatal_error (input_location, |
ba85c5fd | 9281 | "environment variable %qs not defined", varname); |
30d8946b | 9282 | |
5557813a | 9283 | /* We have to escape every character of the environment variable so |
fa10beec RW |
9284 | they are not interpreted as active spec characters. A |
9285 | particularly painful case is when we are reading a variable | |
5557813a NS |
9286 | holding a windows path complete with \ separators. */ |
9287 | len = strlen (value) * 2 + strlen (argv[1]) + 1; | |
e1e4cdc4 | 9288 | result = XNEWVAR (char, len); |
5557813a NS |
9289 | for (ptr = result; *value; ptr += 2) |
9290 | { | |
9291 | ptr[0] = '\\'; | |
9292 | ptr[1] = *value++; | |
9293 | } | |
b8698a0f | 9294 | |
5557813a | 9295 | strcpy (ptr, argv[1]); |
b8698a0f | 9296 | |
5557813a | 9297 | return result; |
30d8946b MM |
9298 | } |
9299 | ||
f3226a90 JT |
9300 | /* if-exists built-in spec function. |
9301 | ||
9302 | Checks to see if the file specified by the absolute pathname in | |
9303 | ARGS exists. Returns that pathname if found. | |
9304 | ||
9305 | The usual use for this function is to check for a library file | |
9306 | (whose name has been expanded with %s). */ | |
9307 | ||
9308 | static const char * | |
1d088dee | 9309 | if_exists_spec_function (int argc, const char **argv) |
f3226a90 JT |
9310 | { |
9311 | /* Must have only one argument. */ | |
3dce1408 | 9312 | if (argc == 1 && IS_ABSOLUTE_PATH (argv[0]) && ! access (argv[0], R_OK)) |
f3226a90 JT |
9313 | return argv[0]; |
9314 | ||
9315 | return NULL; | |
9316 | } | |
152a5a9c JT |
9317 | |
9318 | /* if-exists-else built-in spec function. | |
9319 | ||
9320 | This is like if-exists, but takes an additional argument which | |
9321 | is returned if the first argument does not exist. */ | |
9322 | ||
9323 | static const char * | |
1d088dee | 9324 | if_exists_else_spec_function (int argc, const char **argv) |
152a5a9c JT |
9325 | { |
9326 | /* Must have exactly two arguments. */ | |
9327 | if (argc != 2) | |
9328 | return NULL; | |
9329 | ||
3dce1408 | 9330 | if (IS_ABSOLUTE_PATH (argv[0]) && ! access (argv[0], R_OK)) |
152a5a9c JT |
9331 | return argv[0]; |
9332 | ||
9333 | return argv[1]; | |
9334 | } | |
3dd53121 | 9335 | |
de5a5fa1 MP |
9336 | /* sanitize built-in spec function. |
9337 | ||
9338 | This returns non-NULL, if sanitizing address, thread or | |
9339 | any of the undefined behavior sanitizers. */ | |
9340 | ||
9341 | static const char * | |
9342 | sanitize_spec_function (int argc, const char **argv) | |
9343 | { | |
9344 | if (argc != 1) | |
9345 | return NULL; | |
9346 | ||
9347 | if (strcmp (argv[0], "address") == 0) | |
fec4842d YG |
9348 | return (flag_sanitize & SANITIZE_USER_ADDRESS) ? "" : NULL; |
9349 | if (strcmp (argv[0], "kernel-address") == 0) | |
9350 | return (flag_sanitize & SANITIZE_KERNEL_ADDRESS) ? "" : NULL; | |
de5a5fa1 MP |
9351 | if (strcmp (argv[0], "thread") == 0) |
9352 | return (flag_sanitize & SANITIZE_THREAD) ? "" : NULL; | |
9353 | if (strcmp (argv[0], "undefined") == 0) | |
45b2222a ML |
9354 | return ((flag_sanitize |
9355 | & (SANITIZE_UNDEFINED | SANITIZE_UNDEFINED_NONDEFAULT)) | |
1c33c9b7 | 9356 | && !flag_sanitize_undefined_trap_on_error) ? "" : NULL; |
9065ada9 JJ |
9357 | if (strcmp (argv[0], "leak") == 0) |
9358 | return ((flag_sanitize | |
9359 | & (SANITIZE_ADDRESS | SANITIZE_LEAK | SANITIZE_THREAD)) | |
9360 | == SANITIZE_LEAK) ? "" : NULL; | |
de5a5fa1 MP |
9361 | return NULL; |
9362 | } | |
9363 | ||
3dd53121 | 9364 | /* replace-outfile built-in spec function. |
ed5b9f96 GK |
9365 | |
9366 | This looks for the first argument in the outfiles array's name and | |
9367 | replaces it with the second argument. */ | |
3dd53121 AP |
9368 | |
9369 | static const char * | |
9370 | replace_outfile_spec_function (int argc, const char **argv) | |
9371 | { | |
9372 | int i; | |
9373 | /* Must have exactly two arguments. */ | |
9374 | if (argc != 2) | |
9375 | abort (); | |
7904f95f | 9376 | |
3dd53121 AP |
9377 | for (i = 0; i < n_infiles; i++) |
9378 | { | |
ba78087b | 9379 | if (outfiles[i] && !filename_cmp (outfiles[i], argv[0])) |
3dd53121 AP |
9380 | outfiles[i] = xstrdup (argv[1]); |
9381 | } | |
9382 | return NULL; | |
9383 | } | |
9384 | ||
2642f659 JH |
9385 | /* remove-outfile built-in spec function. |
9386 | * | |
9387 | * This looks for the first argument in the outfiles array's name and | |
9388 | * removes it. */ | |
9389 | ||
9390 | static const char * | |
9391 | remove_outfile_spec_function (int argc, const char **argv) | |
9392 | { | |
9393 | int i; | |
9394 | /* Must have exactly one argument. */ | |
9395 | if (argc != 1) | |
9396 | abort (); | |
9397 | ||
9398 | for (i = 0; i < n_infiles; i++) | |
9399 | { | |
ba78087b | 9400 | if (outfiles[i] && !filename_cmp (outfiles[i], argv[0])) |
2642f659 JH |
9401 | outfiles[i] = NULL; |
9402 | } | |
9403 | return NULL; | |
9404 | } | |
9405 | ||
7904f95f | 9406 | /* Given two version numbers, compares the two numbers. |
ed5b9f96 GK |
9407 | A version number must match the regular expression |
9408 | ([1-9][0-9]*|0)(\.([1-9][0-9]*|0))* | |
9409 | */ | |
9410 | static int | |
9411 | compare_version_strings (const char *v1, const char *v2) | |
9412 | { | |
9413 | int rresult; | |
9414 | regex_t r; | |
7904f95f | 9415 | |
ed5b9f96 GK |
9416 | if (regcomp (&r, "^([1-9][0-9]*|0)(\\.([1-9][0-9]*|0))*$", |
9417 | REG_EXTENDED | REG_NOSUB) != 0) | |
9418 | abort (); | |
9419 | rresult = regexec (&r, v1, 0, NULL, 0); | |
9420 | if (rresult == REG_NOMATCH) | |
40fecdd6 | 9421 | fatal_error (input_location, "invalid version number %qs", v1); |
ed5b9f96 GK |
9422 | else if (rresult != 0) |
9423 | abort (); | |
9424 | rresult = regexec (&r, v2, 0, NULL, 0); | |
9425 | if (rresult == REG_NOMATCH) | |
40fecdd6 | 9426 | fatal_error (input_location, "invalid version number %qs", v2); |
ed5b9f96 GK |
9427 | else if (rresult != 0) |
9428 | abort (); | |
9429 | ||
9430 | return strverscmp (v1, v2); | |
9431 | } | |
9432 | ||
9433 | ||
9434 | /* version_compare built-in spec function. | |
9435 | ||
9436 | This takes an argument of the following form: | |
9437 | ||
9438 | <comparison-op> <arg1> [<arg2>] <switch> <result> | |
9439 | ||
9440 | and produces "result" if the comparison evaluates to true, | |
9441 | and nothing if it doesn't. | |
9442 | ||
9443 | The supported <comparison-op> values are: | |
7904f95f | 9444 | |
ed5b9f96 GK |
9445 | >= true if switch is a later (or same) version than arg1 |
9446 | !> opposite of >= | |
9447 | < true if switch is an earlier version than arg1 | |
9448 | !< opposite of < | |
9449 | >< true if switch is arg1 or later, and earlier than arg2 | |
9450 | <> true if switch is earlier than arg1 or is arg2 or later | |
9451 | ||
9452 | If the switch is not present, the condition is false unless | |
9453 | the first character of the <comparison-op> is '!'. | |
9454 | ||
9455 | For example, | |
9456 | %:version-compare(>= 10.3 mmacosx-version-min= -lmx) | |
9457 | adds -lmx if -mmacosx-version-min=10.3.9 was passed. */ | |
9458 | ||
9459 | static const char * | |
9460 | version_compare_spec_function (int argc, const char **argv) | |
9461 | { | |
9462 | int comp1, comp2; | |
9463 | size_t switch_len; | |
9464 | const char *switch_value = NULL; | |
9465 | int nargs = 1, i; | |
9466 | bool result; | |
9467 | ||
9468 | if (argc < 3) | |
40fecdd6 | 9469 | fatal_error (input_location, "too few arguments to %%:version-compare"); |
ed5b9f96 GK |
9470 | if (argv[0][0] == '\0') |
9471 | abort (); | |
9472 | if ((argv[0][1] == '<' || argv[0][1] == '>') && argv[0][0] != '!') | |
9473 | nargs = 2; | |
9474 | if (argc != nargs + 3) | |
40fecdd6 | 9475 | fatal_error (input_location, "too many arguments to %%:version-compare"); |
ed5b9f96 GK |
9476 | |
9477 | switch_len = strlen (argv[nargs + 1]); | |
9478 | for (i = 0; i < n_switches; i++) | |
9479 | if (!strncmp (switches[i].part1, argv[nargs + 1], switch_len) | |
9480 | && check_live_switch (i, switch_len)) | |
9481 | switch_value = switches[i].part1 + switch_len; | |
9482 | ||
9483 | if (switch_value == NULL) | |
9484 | comp1 = comp2 = -1; | |
9485 | else | |
9486 | { | |
9487 | comp1 = compare_version_strings (switch_value, argv[1]); | |
9488 | if (nargs == 2) | |
9489 | comp2 = compare_version_strings (switch_value, argv[2]); | |
9490 | else | |
9491 | comp2 = -1; /* This value unused. */ | |
9492 | } | |
9493 | ||
9494 | switch (argv[0][0] << 8 | argv[0][1]) | |
9495 | { | |
9496 | case '>' << 8 | '=': | |
9497 | result = comp1 >= 0; | |
9498 | break; | |
9499 | case '!' << 8 | '<': | |
9500 | result = comp1 >= 0 || switch_value == NULL; | |
9501 | break; | |
9502 | case '<' << 8: | |
9503 | result = comp1 < 0; | |
9504 | break; | |
9505 | case '!' << 8 | '>': | |
9506 | result = comp1 < 0 || switch_value == NULL; | |
9507 | break; | |
9508 | case '>' << 8 | '<': | |
9509 | result = comp1 >= 0 && comp2 < 0; | |
9510 | break; | |
9511 | case '<' << 8 | '>': | |
9512 | result = comp1 < 0 || comp2 >= 0; | |
9513 | break; | |
7904f95f | 9514 | |
ed5b9f96 | 9515 | default: |
40fecdd6 JM |
9516 | fatal_error (input_location, |
9517 | "unknown operator %qs in %%:version-compare", argv[0]); | |
ed5b9f96 GK |
9518 | } |
9519 | if (! result) | |
9520 | return NULL; | |
9521 | ||
9522 | return argv[nargs + 2]; | |
9523 | } | |
953ff289 DN |
9524 | |
9525 | /* %:include builtin spec function. This differs from %include in that it | |
9526 | can be nested inside a spec, and thus be conditionalized. It takes | |
9527 | one argument, the filename, and looks for it in the startfile path. | |
9528 | The result is always NULL, i.e. an empty expansion. */ | |
9529 | ||
9530 | static const char * | |
9531 | include_spec_function (int argc, const char **argv) | |
9532 | { | |
9533 | char *file; | |
9534 | ||
9535 | if (argc != 1) | |
9536 | abort (); | |
9537 | ||
4d2b059d | 9538 | file = find_a_file (&startfile_prefixes, argv[0], R_OK, true); |
d168aaee | 9539 | read_specs (file ? file : argv[0], false, false); |
953ff289 DN |
9540 | |
9541 | return NULL; | |
9542 | } | |
a0f87454 | 9543 | |
c1ce46a5 | 9544 | /* %:find-file spec function. This function replaces its argument by |
073a8998 | 9545 | the file found through find_file, that is the -print-file-name gcc |
4adbd5dd MK |
9546 | program option. */ |
9547 | static const char * | |
c1ce46a5 | 9548 | find_file_spec_function (int argc, const char **argv) |
4adbd5dd MK |
9549 | { |
9550 | const char *file; | |
9551 | ||
9552 | if (argc != 1) | |
9553 | abort (); | |
9554 | ||
9555 | file = find_file (argv[0]); | |
9556 | return file; | |
9557 | } | |
9558 | ||
9559 | ||
c1ce46a5 | 9560 | /* %:find-plugindir spec function. This function replaces its argument |
073a8998 | 9561 | by the -iplugindir=<dir> option. `dir' is found through find_file, that |
c1ce46a5 MK |
9562 | is the -print-file-name gcc program option. */ |
9563 | static const char * | |
9564 | find_plugindir_spec_function (int argc, const char **argv ATTRIBUTE_UNUSED) | |
9565 | { | |
9566 | const char *option; | |
9567 | ||
9568 | if (argc != 0) | |
9569 | abort (); | |
9570 | ||
9571 | option = concat ("-iplugindir=", find_file ("plugin"), NULL); | |
9572 | return option; | |
9573 | } | |
9574 | ||
9575 | ||
a0f87454 RS |
9576 | /* %:print-asm-header spec function. Print a banner to say that the |
9577 | following output is from the assembler. */ | |
9578 | ||
9579 | static const char * | |
9580 | print_asm_header_spec_function (int arg ATTRIBUTE_UNUSED, | |
9581 | const char **argv ATTRIBUTE_UNUSED) | |
9582 | { | |
4dad0aca | 9583 | printf (_("Assembler options\n=================\n\n")); |
a0f87454 RS |
9584 | printf (_("Use \"-Wa,OPTION\" to pass \"OPTION\" to the assembler.\n\n")); |
9585 | fflush (stdout); | |
9586 | return NULL; | |
9587 | } | |
2153915d | 9588 | |
44a22bdb | 9589 | /* Get a random number for -frandom-seed */ |
b5b8b0ac | 9590 | |
44a22bdb AK |
9591 | static unsigned HOST_WIDE_INT |
9592 | get_random_number (void) | |
b5b8b0ac | 9593 | { |
44a22bdb AK |
9594 | unsigned HOST_WIDE_INT ret = 0; |
9595 | int fd; | |
9596 | ||
9597 | fd = open ("/dev/urandom", O_RDONLY); | |
9598 | if (fd >= 0) | |
9599 | { | |
9600 | read (fd, &ret, sizeof (HOST_WIDE_INT)); | |
9601 | close (fd); | |
9602 | if (ret) | |
9603 | return ret; | |
9604 | } | |
b5b8b0ac AO |
9605 | |
9606 | /* Get some more or less random data. */ | |
9607 | #ifdef HAVE_GETTIMEOFDAY | |
9608 | { | |
9609 | struct timeval tv; | |
9610 | ||
9611 | gettimeofday (&tv, NULL); | |
9612 | ret = tv.tv_sec * 1000 + tv.tv_usec / 1000; | |
9613 | } | |
9614 | #else | |
9615 | { | |
9616 | time_t now = time (NULL); | |
9617 | ||
9618 | if (now != (time_t)-1) | |
9619 | ret = (unsigned) now; | |
9620 | } | |
9621 | #endif | |
9622 | ||
c3284718 | 9623 | return ret ^ getpid (); |
b5b8b0ac AO |
9624 | } |
9625 | ||
2153915d AO |
9626 | /* %:compare-debug-dump-opt spec function. Save the last argument, |
9627 | expected to be the last -fdump-final-insns option, or generate a | |
9628 | temporary. */ | |
9629 | ||
9630 | static const char * | |
9631 | compare_debug_dump_opt_spec_function (int arg, | |
9632 | const char **argv ATTRIBUTE_UNUSED) | |
9633 | { | |
fc429b48 | 9634 | char *ret; |
2153915d AO |
9635 | char *name; |
9636 | int which; | |
b5b8b0ac | 9637 | static char random_seed[HOST_BITS_PER_WIDE_INT / 4 + 3]; |
2153915d AO |
9638 | |
9639 | if (arg != 0) | |
40fecdd6 JM |
9640 | fatal_error (input_location, |
9641 | "too many arguments to %%:compare-debug-dump-opt"); | |
2153915d | 9642 | |
2153915d AO |
9643 | do_spec_2 ("%{fdump-final-insns=*:%*}"); |
9644 | do_spec_1 (" ", 0, NULL); | |
9645 | ||
9771b263 DN |
9646 | if (argbuf.length () > 0 |
9647 | && strcmp (argv[argbuf.length () - 1], ".")) | |
2153915d | 9648 | { |
b5b8b0ac AO |
9649 | if (!compare_debug) |
9650 | return NULL; | |
9651 | ||
9771b263 | 9652 | name = xstrdup (argv[argbuf.length () - 1]); |
2153915d AO |
9653 | ret = NULL; |
9654 | } | |
9655 | else | |
9656 | { | |
b5b8b0ac AO |
9657 | const char *ext = NULL; |
9658 | ||
9771b263 | 9659 | if (argbuf.length () > 0) |
b5b8b0ac AO |
9660 | { |
9661 | do_spec_2 ("%{o*:%*}%{!o:%{!S:%b%O}%{S:%b.s}}"); | |
9662 | ext = ".gkd"; | |
9663 | } | |
9664 | else if (!compare_debug) | |
9665 | return NULL; | |
9666 | else | |
9667 | do_spec_2 ("%g.gkd"); | |
2153915d | 9668 | |
2153915d | 9669 | do_spec_1 (" ", 0, NULL); |
2153915d | 9670 | |
9771b263 | 9671 | gcc_assert (argbuf.length () > 0); |
2153915d | 9672 | |
9771b263 | 9673 | name = concat (argbuf.last (), ext, NULL); |
b5b8b0ac AO |
9674 | |
9675 | ret = concat ("-fdump-final-insns=", name, NULL); | |
2153915d AO |
9676 | } |
9677 | ||
9678 | which = compare_debug < 0; | |
9679 | debug_check_temp_file[which] = name; | |
9680 | ||
b5b8b0ac AO |
9681 | if (!which) |
9682 | { | |
44a22bdb | 9683 | unsigned HOST_WIDE_INT value = get_random_number (); |
b5b8b0ac AO |
9684 | |
9685 | sprintf (random_seed, HOST_WIDE_INT_PRINT_HEX, value); | |
9686 | } | |
9687 | ||
9688 | if (*random_seed) | |
fc429b48 TB |
9689 | { |
9690 | char *tmp = ret; | |
9691 | ret = concat ("%{!frandom-seed=*:-frandom-seed=", random_seed, "} ", | |
9692 | ret, NULL); | |
9693 | free (tmp); | |
9694 | } | |
b5b8b0ac AO |
9695 | |
9696 | if (which) | |
9697 | *random_seed = 0; | |
2153915d AO |
9698 | |
9699 | return ret; | |
9700 | } | |
9701 | ||
9702 | static const char *debug_auxbase_opt; | |
9703 | ||
9704 | /* %:compare-debug-self-opt spec function. Expands to the options | |
9705 | that are to be passed in the second compilation of | |
9706 | compare-debug. */ | |
9707 | ||
9708 | static const char * | |
9709 | compare_debug_self_opt_spec_function (int arg, | |
9710 | const char **argv ATTRIBUTE_UNUSED) | |
9711 | { | |
9712 | if (arg != 0) | |
40fecdd6 JM |
9713 | fatal_error (input_location, |
9714 | "too many arguments to %%:compare-debug-self-opt"); | |
2153915d AO |
9715 | |
9716 | if (compare_debug >= 0) | |
9717 | return NULL; | |
9718 | ||
9719 | do_spec_2 ("%{c|S:%{o*:%*}}"); | |
9720 | do_spec_1 (" ", 0, NULL); | |
9721 | ||
9771b263 | 9722 | if (argbuf.length () > 0) |
2153915d | 9723 | debug_auxbase_opt = concat ("-auxbase-strip ", |
9771b263 | 9724 | argbuf.last (), |
2153915d AO |
9725 | NULL); |
9726 | else | |
9727 | debug_auxbase_opt = NULL; | |
9728 | ||
9729 | return concat ("\ | |
9730 | %<o %<MD %<MMD %<MF* %<MG %<MP %<MQ* %<MT* \ | |
9731 | %<fdump-final-insns=* -w -S -o %j \ | |
9732 | %{!fcompare-debug-second:-fcompare-debug-second} \ | |
9733 | ", compare_debug_opt, NULL); | |
9734 | } | |
9735 | ||
9736 | /* %:compare-debug-auxbase-opt spec function. Expands to the auxbase | |
9737 | options that are to be passed in the second compilation of | |
9738 | compare-debug. It expects, as an argument, the basename of the | |
9739 | current input file name, with the .gk suffix appended to it. */ | |
9740 | ||
9741 | static const char * | |
9742 | compare_debug_auxbase_opt_spec_function (int arg, | |
9743 | const char **argv) | |
9744 | { | |
9745 | char *name; | |
9746 | int len; | |
9747 | ||
9748 | if (arg == 0) | |
40fecdd6 JM |
9749 | fatal_error (input_location, |
9750 | "too few arguments to %%:compare-debug-auxbase-opt"); | |
2153915d AO |
9751 | |
9752 | if (arg != 1) | |
40fecdd6 JM |
9753 | fatal_error (input_location, |
9754 | "too many arguments to %%:compare-debug-auxbase-opt"); | |
2153915d AO |
9755 | |
9756 | if (compare_debug >= 0) | |
9757 | return NULL; | |
9758 | ||
9759 | len = strlen (argv[0]); | |
9760 | if (len < 3 || strcmp (argv[0] + len - 3, ".gk") != 0) | |
40fecdd6 | 9761 | fatal_error (input_location, "argument to %%:compare-debug-auxbase-opt " |
2dec80c7 | 9762 | "does not end in .gk"); |
2153915d AO |
9763 | |
9764 | if (debug_auxbase_opt) | |
9765 | return debug_auxbase_opt; | |
9766 | ||
9767 | #define OPT "-auxbase " | |
9768 | ||
9769 | len -= 3; | |
9770 | name = (char*) xmalloc (sizeof (OPT) + len); | |
9771 | memcpy (name, OPT, sizeof (OPT) - 1); | |
9772 | memcpy (name + sizeof (OPT) - 1, argv[0], len); | |
9773 | name[sizeof (OPT) - 1 + len] = '\0'; | |
9774 | ||
b5b8b0ac AO |
9775 | #undef OPT |
9776 | ||
2153915d AO |
9777 | return name; |
9778 | } | |
9a37bc07 DK |
9779 | |
9780 | /* %:pass-through-libs spec function. Finds all -l options and input | |
9781 | file names in the lib spec passed to it, and makes a list of them | |
9782 | prepended with the plugin option to cause them to be passed through | |
9783 | to the final link after all the new object files have been added. */ | |
9784 | ||
9785 | const char * | |
9786 | pass_through_libs_spec_func (int argc, const char **argv) | |
9787 | { | |
9788 | char *prepended = xstrdup (" "); | |
9789 | int n; | |
9790 | /* Shlemiel the painter's algorithm. Innately horrible, but at least | |
9791 | we know that there will never be more than a handful of strings to | |
9792 | concat, and it's only once per run, so it's not worth optimising. */ | |
9793 | for (n = 0; n < argc; n++) | |
9794 | { | |
9795 | char *old = prepended; | |
9796 | /* Anything that isn't an option is a full path to an output | |
9797 | file; pass it through if it ends in '.a'. Among options, | |
9798 | pass only -l. */ | |
9799 | if (argv[n][0] == '-' && argv[n][1] == 'l') | |
9800 | { | |
9801 | const char *lopt = argv[n] + 2; | |
9802 | /* Handle both joined and non-joined -l options. If for any | |
9803 | reason there's a trailing -l with no joined or following | |
9804 | arg just discard it. */ | |
9805 | if (!*lopt && ++n >= argc) | |
9806 | break; | |
9807 | else if (!*lopt) | |
9808 | lopt = argv[n]; | |
9809 | prepended = concat (prepended, "-plugin-opt=-pass-through=-l", | |
9810 | lopt, " ", NULL); | |
9811 | } | |
9812 | else if (!strcmp (".a", argv[n] + strlen (argv[n]) - 2)) | |
9813 | { | |
9814 | prepended = concat (prepended, "-plugin-opt=-pass-through=", | |
9815 | argv[n], " ", NULL); | |
9816 | } | |
9817 | if (prepended != old) | |
9818 | free (old); | |
9819 | } | |
9820 | return prepended; | |
9821 | } | |
99ea153e SA |
9822 | |
9823 | /* %:replace-extension spec function. Replaces the extension of the | |
9824 | first argument with the second argument. */ | |
9825 | ||
9826 | const char * | |
9827 | replace_extension_spec_func (int argc, const char **argv) | |
9828 | { | |
9829 | char *name; | |
9830 | char *p; | |
9831 | char *result; | |
9832 | int i; | |
9833 | ||
9834 | if (argc != 2) | |
40fecdd6 | 9835 | fatal_error (input_location, "too few arguments to %%:replace-extension"); |
99ea153e SA |
9836 | |
9837 | name = xstrdup (argv[0]); | |
9838 | ||
c3284718 | 9839 | for (i = strlen (name) - 1; i >= 0; i--) |
99ea153e SA |
9840 | if (IS_DIR_SEPARATOR (name[i])) |
9841 | break; | |
9842 | ||
9843 | p = strrchr (name + i + 1, '.'); | |
9844 | if (p != NULL) | |
9845 | *p = '\0'; | |
9846 | ||
9847 | result = concat (name, argv[1], NULL); | |
9848 | ||
9849 | free (name); | |
9850 | return result; | |
9851 | } | |
3c27ce4c | 9852 | |
f3609a89 | 9853 | /* Returns "" if ARGV[ARGC - 2] is greater than ARGV[ARGC-1]. |
cf7416c3 TV |
9854 | Otherwise, return NULL. */ |
9855 | ||
9856 | static const char * | |
9857 | greater_than_spec_func (int argc, const char **argv) | |
9858 | { | |
9859 | char *converted; | |
9860 | ||
9861 | if (argc == 1) | |
9862 | return NULL; | |
9863 | ||
f3609a89 | 9864 | gcc_assert (argc >= 2); |
cf7416c3 | 9865 | |
f3609a89 JJ |
9866 | long arg = strtol (argv[argc - 2], &converted, 10); |
9867 | gcc_assert (converted != argv[argc - 2]); | |
cf7416c3 | 9868 | |
f3609a89 JJ |
9869 | long lim = strtol (argv[argc - 1], &converted, 10); |
9870 | gcc_assert (converted != argv[argc - 1]); | |
cf7416c3 TV |
9871 | |
9872 | if (arg > lim) | |
9873 | return ""; | |
9874 | ||
9875 | return NULL; | |
9876 | } | |
9877 | ||
1c70261c JJ |
9878 | /* Returns "" if debug_info_level is greater than ARGV[ARGC-1]. |
9879 | Otherwise, return NULL. */ | |
9880 | ||
9881 | static const char * | |
9882 | debug_level_greater_than_spec_func (int argc, const char **argv) | |
9883 | { | |
9884 | char *converted; | |
9885 | ||
9886 | if (argc != 1) | |
9887 | fatal_error (input_location, | |
9888 | "wrong number of arguments to %%:debug-level-gt"); | |
9889 | ||
9890 | long arg = strtol (argv[0], &converted, 10); | |
9891 | gcc_assert (converted != argv[0]); | |
9892 | ||
9893 | if (debug_info_level > arg) | |
9894 | return ""; | |
9895 | ||
9896 | return NULL; | |
9897 | } | |
9898 | ||
3c27ce4c JY |
9899 | /* Insert backslash before spaces in ORIG (usually a file path), to |
9900 | avoid being broken by spec parser. | |
9901 | ||
9902 | This function is needed as do_spec_1 treats white space (' ' and '\t') | |
9903 | as the end of an argument. But in case of -plugin /usr/gcc install/xxx.so, | |
9904 | the file name should be treated as a single argument rather than being | |
9905 | broken into multiple. Solution is to insert '\\' before the space in a | |
9906 | file name. | |
9907 | ||
9908 | This function converts and only converts all occurrence of ' ' | |
9909 | to '\\' + ' ' and '\t' to '\\' + '\t'. For example: | |
9910 | "a b" -> "a\\ b" | |
9911 | "a b" -> "a\\ \\ b" | |
9912 | "a\tb" -> "a\\\tb" | |
9913 | "a\\ b" -> "a\\\\ b" | |
9914 | ||
9915 | orig: input null-terminating string that was allocated by xalloc. The | |
9916 | memory it points to might be freed in this function. Behavior undefined | |
9917 | if ORIG wasn't xalloced or was freed already at entry. | |
9918 | ||
9919 | Return: ORIG if no conversion needed. Otherwise a newly allocated string | |
9920 | that was converted from ORIG. */ | |
9921 | ||
9922 | static char * | |
9923 | convert_white_space (char *orig) | |
9924 | { | |
9925 | int len, number_of_space = 0; | |
9926 | ||
9927 | for (len = 0; orig[len]; len++) | |
9928 | if (orig[len] == ' ' || orig[len] == '\t') number_of_space++; | |
9929 | ||
9930 | if (number_of_space) | |
9931 | { | |
9932 | char *new_spec = (char *) xmalloc (len + number_of_space + 1); | |
9933 | int j, k; | |
9934 | for (j = 0, k = 0; j <= len; j++, k++) | |
9935 | { | |
9936 | if (orig[j] == ' ' || orig[j] == '\t') | |
9937 | new_spec[k++] = '\\'; | |
9938 | new_spec[k] = orig[j]; | |
9939 | } | |
9940 | free (orig); | |
9941 | return new_spec; | |
9942 | } | |
9943 | else | |
9944 | return orig; | |
9945 | } | |
2cb844ce | 9946 | |
9376dd63 DM |
9947 | static void |
9948 | path_prefix_reset (path_prefix *prefix) | |
9949 | { | |
9950 | struct prefix_list *iter, *next; | |
9951 | iter = prefix->plist; | |
9952 | while (iter) | |
9953 | { | |
9954 | next = iter->next; | |
9955 | free (const_cast <char *> (iter->prefix)); | |
9956 | XDELETE (iter); | |
9957 | iter = next; | |
9958 | } | |
9959 | prefix->plist = 0; | |
9960 | prefix->max_len = 0; | |
9961 | } | |
9962 | ||
9963 | /* Restore all state within gcc.c to the initial state, so that the driver | |
9964 | code can be safely re-run in-process. | |
9965 | ||
9966 | Many const char * variables are referenced by static specs (see | |
9967 | INIT_STATIC_SPEC above). These variables are restored to their default | |
9968 | values by a simple loop over the static specs. | |
9969 | ||
9970 | For other variables, we directly restore them all to their initial | |
9971 | values (often implicitly 0). | |
9972 | ||
9973 | Free the various obstacks in this file, along with "opts_obstack" | |
9974 | from opts.c. | |
9975 | ||
9976 | This function also restores any environment variables that were changed. */ | |
9977 | ||
9978 | void | |
9979 | driver::finalize () | |
9980 | { | |
9981 | env.restore (); | |
9982 | params_c_finalize (); | |
9983 | diagnostic_finish (global_dc); | |
9984 | ||
9985 | is_cpp_driver = 0; | |
9986 | at_file_supplied = 0; | |
9987 | print_help_list = 0; | |
9988 | print_version = 0; | |
9989 | verbose_only_flag = 0; | |
9990 | print_subprocess_help = 0; | |
9991 | use_ld = NULL; | |
9992 | report_times_to_file = NULL; | |
9993 | target_system_root = DEFAULT_TARGET_SYSTEM_ROOT; | |
9994 | target_system_root_changed = 0; | |
9995 | target_sysroot_suffix = 0; | |
9996 | target_sysroot_hdrs_suffix = 0; | |
9997 | save_temps_flag = SAVE_TEMPS_NONE; | |
9998 | save_temps_prefix = 0; | |
9999 | save_temps_length = 0; | |
10000 | spec_machine = DEFAULT_TARGET_MACHINE; | |
10001 | greatest_status = 1; | |
10002 | ||
10003 | finalize_options_struct (&global_options); | |
10004 | finalize_options_struct (&global_options_set); | |
10005 | ||
10006 | obstack_free (&obstack, NULL); | |
10007 | obstack_free (&opts_obstack, NULL); /* in opts.c */ | |
10008 | obstack_free (&collect_obstack, NULL); | |
10009 | ||
10010 | link_command_spec = LINK_COMMAND_SPEC; | |
10011 | ||
10012 | obstack_free (&multilib_obstack, NULL); | |
10013 | ||
10014 | user_specs_head = NULL; | |
10015 | user_specs_tail = NULL; | |
10016 | ||
10017 | /* Within the "compilers" vec, the fields "suffix" and "spec" were | |
10018 | statically allocated for the default compilers, but dynamically | |
10019 | allocated for additional compilers. Delete them for the latter. */ | |
10020 | for (int i = n_default_compilers; i < n_compilers; i++) | |
10021 | { | |
10022 | free (const_cast <char *> (compilers[i].suffix)); | |
10023 | free (const_cast <char *> (compilers[i].spec)); | |
10024 | } | |
10025 | XDELETEVEC (compilers); | |
10026 | compilers = NULL; | |
10027 | n_compilers = 0; | |
10028 | ||
10029 | linker_options.truncate (0); | |
10030 | assembler_options.truncate (0); | |
10031 | preprocessor_options.truncate (0); | |
10032 | ||
10033 | path_prefix_reset (&exec_prefixes); | |
10034 | path_prefix_reset (&startfile_prefixes); | |
10035 | path_prefix_reset (&include_prefixes); | |
10036 | ||
10037 | machine_suffix = 0; | |
10038 | just_machine_suffix = 0; | |
10039 | gcc_exec_prefix = 0; | |
10040 | gcc_libexec_prefix = 0; | |
10041 | md_exec_prefix = MD_EXEC_PREFIX; | |
10042 | md_startfile_prefix = MD_STARTFILE_PREFIX; | |
10043 | md_startfile_prefix_1 = MD_STARTFILE_PREFIX_1; | |
10044 | multilib_dir = 0; | |
10045 | multilib_os_dir = 0; | |
10046 | multiarch_dir = 0; | |
10047 | ||
8dccd19b DM |
10048 | /* Free any specs dynamically-allocated by set_spec. |
10049 | These will be at the head of the list, before the | |
10050 | statically-allocated ones. */ | |
10051 | if (specs) | |
10052 | { | |
10053 | while (specs != static_specs) | |
10054 | { | |
10055 | spec_list *next = specs->next; | |
10056 | free (const_cast <char *> (specs->name)); | |
10057 | XDELETE (specs); | |
10058 | specs = next; | |
10059 | } | |
10060 | specs = 0; | |
10061 | } | |
9376dd63 DM |
10062 | for (unsigned i = 0; i < ARRAY_SIZE (static_specs); i++) |
10063 | { | |
10064 | spec_list *sl = &static_specs[i]; | |
10065 | if (sl->alloc_p) | |
10066 | { | |
10067 | if (0) | |
10068 | free (const_cast <char *> (*(sl->ptr_spec))); | |
10069 | sl->alloc_p = false; | |
10070 | } | |
10071 | *(sl->ptr_spec) = sl->default_ptr; | |
10072 | } | |
de26e239 | 10073 | #ifdef EXTRA_SPECS |
9376dd63 | 10074 | extra_specs = NULL; |
de26e239 | 10075 | #endif |
9376dd63 DM |
10076 | |
10077 | processing_spec_function = 0; | |
10078 | ||
e7208389 | 10079 | clear_args (); |
9376dd63 DM |
10080 | |
10081 | have_c = 0; | |
10082 | have_o = 0; | |
10083 | ||
10084 | temp_names = NULL; | |
10085 | execution_count = 0; | |
10086 | signal_count = 0; | |
10087 | ||
10088 | temp_filename = NULL; | |
10089 | temp_filename_length = 0; | |
10090 | always_delete_queue = NULL; | |
10091 | failure_delete_queue = NULL; | |
10092 | ||
10093 | XDELETEVEC (switches); | |
10094 | switches = NULL; | |
10095 | n_switches = 0; | |
10096 | n_switches_alloc = 0; | |
10097 | ||
10098 | compare_debug = 0; | |
10099 | compare_debug_second = 0; | |
10100 | compare_debug_opt = NULL; | |
10101 | for (int i = 0; i < 2; i++) | |
10102 | { | |
10103 | switches_debug_check[i] = NULL; | |
10104 | n_switches_debug_check[i] = 0; | |
10105 | n_switches_alloc_debug_check[i] = 0; | |
10106 | debug_check_temp_file[i] = NULL; | |
10107 | } | |
10108 | ||
10109 | XDELETEVEC (infiles); | |
10110 | infiles = NULL; | |
10111 | n_infiles = 0; | |
10112 | n_infiles_alloc = 0; | |
10113 | ||
10114 | combine_inputs = false; | |
10115 | added_libraries = 0; | |
10116 | XDELETEVEC (outfiles); | |
10117 | outfiles = NULL; | |
10118 | spec_lang = 0; | |
10119 | last_language_n_infiles = 0; | |
10120 | gcc_input_filename = NULL; | |
10121 | input_file_number = 0; | |
10122 | input_filename_length = 0; | |
10123 | basename_length = 0; | |
10124 | suffixed_basename_length = 0; | |
10125 | input_basename = NULL; | |
10126 | input_suffix = NULL; | |
10127 | /* We don't need to purge "input_stat", just to unset "input_stat_set". */ | |
10128 | input_stat_set = 0; | |
10129 | input_file_compiler = NULL; | |
10130 | arg_going = 0; | |
10131 | delete_this_arg = 0; | |
10132 | this_is_output_file = 0; | |
10133 | this_is_library_file = 0; | |
10134 | this_is_linker_script = 0; | |
10135 | input_from_pipe = 0; | |
10136 | suffix_subst = NULL; | |
10137 | ||
10138 | mdswitches = NULL; | |
10139 | n_mdswitches = 0; | |
10140 | ||
10141 | debug_auxbase_opt = NULL; | |
10142 | ||
10143 | used_arg.finalize (); | |
10144 | } | |
10145 | ||
2cb844ce DM |
10146 | /* PR jit/64810. |
10147 | Targets can provide configure-time default options in | |
10148 | OPTION_DEFAULT_SPECS. The jit needs to access these, but | |
10149 | they are expressed in the spec language. | |
10150 | ||
10151 | Run just enough of the driver to be able to expand these | |
10152 | specs, and then call the callback CB on each | |
10153 | such option. The options strings are *without* a leading | |
10154 | '-' character e.g. ("march=x86-64"). Finally, clean up. */ | |
10155 | ||
10156 | void | |
10157 | driver_get_configure_time_options (void (*cb) (const char *option, | |
10158 | void *user_data), | |
10159 | void *user_data) | |
10160 | { | |
10161 | size_t i; | |
10162 | ||
10163 | obstack_init (&obstack); | |
de5672fc | 10164 | init_opts_obstack (); |
2cb844ce DM |
10165 | n_switches = 0; |
10166 | ||
10167 | for (i = 0; i < ARRAY_SIZE (option_default_specs); i++) | |
10168 | do_option_spec (option_default_specs[i].name, | |
10169 | option_default_specs[i].spec); | |
10170 | ||
10171 | for (i = 0; (int) i < n_switches; i++) | |
10172 | { | |
10173 | gcc_assert (switches[i].part1); | |
10174 | (*cb) (switches[i].part1, user_data); | |
10175 | } | |
10176 | ||
10177 | obstack_free (&opts_obstack, NULL); | |
10178 | obstack_free (&obstack, NULL); | |
10179 | n_switches = 0; | |
10180 | } |