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ed1f651b | 1 | /* Compiler driver program that can handle many languages. |
b67cd4e3 | 2 | Copyright (C) 1987-2015 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" |
9257393c | 39 | #include "gcc.h" |
6afbc885 | 40 | #include "diagnostic.h" |
8a63621f | 41 | #include "flags.h" |
14c7833c | 42 | #include "opts.h" |
a7d0d30f | 43 | #include "params.h" |
ba78087b | 44 | #include "filenames.h" |
93ebf1fd | 45 | #include "spellcheck.h" |
c10d53dd | 46 | |
9376dd63 DM |
47 | \f |
48 | ||
49 | /* Manage the manipulation of env vars. | |
50 | ||
51 | We poison "getenv" and "putenv", so that all enviroment-handling is | |
52 | done through this class. Note that poisoning happens in the | |
53 | preprocessor at the identifier level, and doesn't distinguish between | |
54 | env.getenv (); | |
55 | and | |
56 | getenv (); | |
57 | Hence we need to use "get" for the accessor method, not "getenv". */ | |
58 | ||
59 | class env_manager | |
60 | { | |
61 | public: | |
62 | void init (bool can_restore, bool debug); | |
63 | const char *get (const char *name); | |
64 | void xput (const char *string); | |
65 | void restore (); | |
66 | ||
67 | private: | |
68 | bool m_can_restore; | |
69 | bool m_debug; | |
70 | struct kv | |
71 | { | |
72 | char *m_key; | |
73 | char *m_value; | |
74 | }; | |
75 | vec<kv> m_keys; | |
76 | ||
77 | }; | |
78 | ||
79 | /* The singleton instance of class env_manager. */ | |
80 | ||
81 | static env_manager env; | |
82 | ||
83 | /* Initializer for class env_manager. | |
84 | ||
85 | We can't do this as a constructor since we have a statically | |
86 | allocated instance ("env" above). */ | |
87 | ||
88 | void | |
89 | env_manager::init (bool can_restore, bool debug) | |
90 | { | |
91 | m_can_restore = can_restore; | |
92 | m_debug = debug; | |
93 | } | |
94 | ||
95 | /* Get the value of NAME within the environment. Essentially | |
96 | a wrapper for ::getenv, but adding logging, and the possibility | |
97 | of caching results. */ | |
98 | ||
99 | const char * | |
100 | env_manager::get (const char *name) | |
101 | { | |
102 | const char *result = ::getenv (name); | |
103 | if (m_debug) | |
104 | fprintf (stderr, "env_manager::getenv (%s) -> %s\n", name, result); | |
105 | return result; | |
106 | } | |
107 | ||
108 | /* Put the given KEY=VALUE entry STRING into the environment. | |
109 | If the env_manager was initialized with CAN_RESTORE set, then | |
110 | also record the old value of KEY within the environment, so that it | |
111 | can be later restored. */ | |
112 | ||
113 | void | |
114 | env_manager::xput (const char *string) | |
115 | { | |
116 | if (m_debug) | |
117 | fprintf (stderr, "env_manager::xput (%s)\n", string); | |
118 | if (verbose_flag) | |
119 | fnotice (stderr, "%s\n", string); | |
120 | ||
121 | if (m_can_restore) | |
122 | { | |
123 | char *equals = strchr (const_cast <char *> (string), '='); | |
124 | gcc_assert (equals); | |
125 | ||
126 | struct kv kv; | |
c25eec8f | 127 | kv.m_key = xstrndup (string, equals - string); |
9376dd63 DM |
128 | const char *cur_value = ::getenv (kv.m_key); |
129 | if (m_debug) | |
130 | fprintf (stderr, "saving old value: %s\n",cur_value); | |
131 | kv.m_value = cur_value ? xstrdup (cur_value) : NULL; | |
132 | m_keys.safe_push (kv); | |
133 | } | |
134 | ||
135 | ::putenv (CONST_CAST (char *, string)); | |
136 | } | |
137 | ||
138 | /* Undo any xputenv changes made since last restore. | |
139 | Can only be called if the env_manager was initialized with | |
140 | CAN_RESTORE enabled. */ | |
141 | ||
142 | void | |
143 | env_manager::restore () | |
144 | { | |
145 | unsigned int i; | |
146 | struct kv *item; | |
147 | ||
148 | gcc_assert (m_can_restore); | |
149 | ||
150 | FOR_EACH_VEC_ELT_REVERSE (m_keys, i, item) | |
151 | { | |
152 | if (m_debug) | |
153 | printf ("restoring saved key: %s value: %s\n", item->m_key, item->m_value); | |
154 | if (item->m_value) | |
155 | ::setenv (item->m_key, item->m_value, 1); | |
156 | else | |
157 | ::unsetenv (item->m_key); | |
158 | free (item->m_key); | |
159 | free (item->m_value); | |
160 | } | |
161 | ||
162 | m_keys.truncate (0); | |
163 | } | |
164 | ||
165 | /* Forbid other uses of getenv and putenv. */ | |
166 | #if (GCC_VERSION >= 3000) | |
167 | #pragma GCC poison getenv putenv | |
168 | #endif | |
169 | ||
170 | \f | |
171 | ||
45936a85 DD |
172 | /* By default there is no special suffix for target executables. */ |
173 | /* FIXME: when autoconf is fixed, remove the host check - dj */ | |
174 | #if defined(TARGET_EXECUTABLE_SUFFIX) && defined(HOST_EXECUTABLE_SUFFIX) | |
175 | #define HAVE_TARGET_EXECUTABLE_SUFFIX | |
ed1f651b | 176 | #endif |
f6ec7e54 | 177 | |
45936a85 DD |
178 | /* By default there is no special suffix for host executables. */ |
179 | #ifdef HOST_EXECUTABLE_SUFFIX | |
180 | #define HAVE_HOST_EXECUTABLE_SUFFIX | |
f70165f6 | 181 | #else |
45936a85 DD |
182 | #define HOST_EXECUTABLE_SUFFIX "" |
183 | #endif | |
184 | ||
185 | /* By default, the suffix for target object files is ".o". */ | |
186 | #ifdef TARGET_OBJECT_SUFFIX | |
187 | #define HAVE_TARGET_OBJECT_SUFFIX | |
188 | #else | |
189 | #define TARGET_OBJECT_SUFFIX ".o" | |
ed7dae04 RK |
190 | #endif |
191 | ||
8b60264b | 192 | static const char dir_separator_str[] = { DIR_SEPARATOR, 0 }; |
48ff801b | 193 | |
512b62fb JM |
194 | /* Most every one is fine with LIBRARY_PATH. For some, it conflicts. */ |
195 | #ifndef LIBRARY_PATH_ENV | |
196 | #define LIBRARY_PATH_ENV "LIBRARY_PATH" | |
197 | #endif | |
198 | ||
ed1f651b RS |
199 | /* If a stage of compilation returns an exit status >= 1, |
200 | compilation of that file ceases. */ | |
201 | ||
202 | #define MIN_FATAL_STATUS 1 | |
203 | ||
69927b59 NB |
204 | /* Flag set by cppspec.c to 1. */ |
205 | int is_cpp_driver; | |
206 | ||
110abdbc | 207 | /* Flag set to nonzero if an @file argument has been supplied to gcc. */ |
2091ff66 NF |
208 | static bool at_file_supplied; |
209 | ||
f5fa9a5b PE |
210 | /* Definition of string containing the arguments given to configure. */ |
211 | #include "configargs.h" | |
212 | ||
b8468bc7 NC |
213 | /* Flag saying to print the command line options understood by gcc and its |
214 | sub-processes. */ | |
215 | ||
216 | static int print_help_list; | |
217 | ||
41fd0f9b RAE |
218 | /* Flag saying to print the version of gcc and its sub-processes. */ |
219 | ||
220 | static int print_version; | |
221 | ||
99f78cdd IR |
222 | /* Flag indicating whether we should ONLY print the command and |
223 | arguments (like verbose_flag) without executing the command. | |
224 | Displayed arguments are quoted so that the generated command | |
225 | line is suitable for execution. This is intended for use in | |
226 | shell scripts to capture the driver-generated command line. */ | |
227 | static int verbose_only_flag; | |
228 | ||
c662432e | 229 | /* Flag indicating how to print command line options of sub-processes. */ |
91606ce2 | 230 | |
c662432e | 231 | static int print_subprocess_help; |
91606ce2 | 232 | |
b78e932d L |
233 | /* Linker suffix passed to -fuse-ld=... */ |
234 | static const char *use_ld; | |
235 | ||
bdde878c AO |
236 | /* Whether we should report subprocess execution times to a file. */ |
237 | ||
238 | FILE *report_times_to_file = NULL; | |
239 | ||
4977bab6 ZW |
240 | /* Nonzero means place this string before uses of /, so that include |
241 | and library files can be found in an alternate location. */ | |
242 | ||
db720d9a | 243 | #ifdef TARGET_SYSTEM_ROOT |
9376dd63 | 244 | #define DEFAULT_TARGET_SYSTEM_ROOT (TARGET_SYSTEM_ROOT) |
db720d9a | 245 | #else |
9376dd63 | 246 | #define DEFAULT_TARGET_SYSTEM_ROOT (0) |
db720d9a | 247 | #endif |
9376dd63 | 248 | static const char *target_system_root = DEFAULT_TARGET_SYSTEM_ROOT; |
4977bab6 | 249 | |
047d636f DJ |
250 | /* Nonzero means pass the updated target_system_root to the compiler. */ |
251 | ||
252 | static int target_system_root_changed; | |
253 | ||
e7f13528 GP |
254 | /* Nonzero means append this string to target_system_root. */ |
255 | ||
256 | static const char *target_sysroot_suffix = 0; | |
257 | ||
258 | /* Nonzero means append this string to target_system_root for headers. */ | |
259 | ||
260 | static const char *target_sysroot_hdrs_suffix = 0; | |
261 | ||
ed1f651b RS |
262 | /* Nonzero means write "temp" files in source directory |
263 | and use the source file's name in them, and don't delete them. */ | |
264 | ||
14fdc613 MM |
265 | static enum save_temps { |
266 | SAVE_TEMPS_NONE, /* no -save-temps */ | |
267 | SAVE_TEMPS_CWD, /* -save-temps in current directory */ | |
268 | SAVE_TEMPS_OBJ /* -save-temps in object directory */ | |
269 | } save_temps_flag; | |
270 | ||
271 | /* Output file to use to get the object directory for -save-temps=obj */ | |
272 | static char *save_temps_prefix = 0; | |
273 | static size_t save_temps_length = 0; | |
ed1f651b | 274 | |
53117a2f | 275 | /* The compiler version. */ |
ed1f651b | 276 | |
3b304f5b | 277 | static const char *compiler_version; |
53117a2f | 278 | |
1401cf37 | 279 | /* The target version. */ |
53117a2f | 280 | |
37a4aa31 | 281 | static const char *const spec_version = DEFAULT_TARGET_VERSION; |
ed1f651b | 282 | |
1401cf37 | 283 | /* The target machine. */ |
ed1f651b | 284 | |
878f32c3 | 285 | static const char *spec_machine = DEFAULT_TARGET_MACHINE; |
fc8b3540 | 286 | static const char *spec_host_machine = DEFAULT_REAL_TARGET_MACHINE; |
ed1f651b | 287 | |
64186aad TS |
288 | /* List of offload targets. Separated by colon. Empty string for |
289 | -foffload=disable. */ | |
c713ddc0 BS |
290 | |
291 | static char *offload_targets = NULL; | |
292 | ||
004fd4d5 RS |
293 | /* Nonzero if cross-compiling. |
294 | When -b is used, the value comes from the `specs' file. */ | |
295 | ||
2989d30c | 296 | #ifdef CROSS_DIRECTORY_STRUCTURE |
3b304f5b | 297 | static const char *cross_compile = "1"; |
004fd4d5 | 298 | #else |
3b304f5b | 299 | static const char *cross_compile = "0"; |
004fd4d5 RS |
300 | #endif |
301 | ||
14a774a9 RK |
302 | /* Greatest exit code of sub-processes that has been encountered up to |
303 | now. */ | |
304 | static int greatest_status = 1; | |
305 | ||
ed1f651b RS |
306 | /* This is the obstack which we use to allocate many strings. */ |
307 | ||
308 | static struct obstack obstack; | |
309 | ||
b3865ca9 | 310 | /* This is the obstack to build an environment variable to pass to |
6dc42e49 | 311 | collect2 that describes all of the relevant switches of what to |
b3865ca9 RS |
312 | pass the compiler in building the list of pointers to constructors |
313 | and destructors. */ | |
314 | ||
315 | static struct obstack collect_obstack; | |
316 | ||
99360286 DE |
317 | /* Forward declaration for prototypes. */ |
318 | struct path_prefix; | |
76391e5a | 319 | struct prefix_list; |
99360286 | 320 | |
1d088dee AJ |
321 | static void init_spec (void); |
322 | static void store_arg (const char *, int, int); | |
fe7df9c4 | 323 | static void insert_wrapper (const char *); |
1d088dee | 324 | static char *load_specs (const char *); |
d168aaee CB |
325 | static void read_specs (const char *, bool, bool); |
326 | static void set_spec (const char *, const char *, bool); | |
1d088dee | 327 | static struct compiler *lookup_compiler (const char *, size_t, const char *); |
00dcee0c AM |
328 | static char *build_search_list (const struct path_prefix *, const char *, |
329 | bool, bool); | |
e9c15f6e | 330 | static void xputenv (const char *); |
00dcee0c AM |
331 | static void putenv_from_prefixes (const struct path_prefix *, const char *, |
332 | bool); | |
1d088dee | 333 | static int access_check (const char *, int); |
00dcee0c | 334 | static char *find_a_file (const struct path_prefix *, const char *, int, bool); |
1d088dee | 335 | static void add_prefix (struct path_prefix *, const char *, const char *, |
1a5d37a1 | 336 | int, int, int); |
1d088dee | 337 | static void add_sysrooted_prefix (struct path_prefix *, const char *, |
1a5d37a1 | 338 | const char *, int, int, int); |
1d088dee AJ |
339 | static char *skip_whitespace (char *); |
340 | static void delete_if_ordinary (const char *); | |
341 | static void delete_temp_files (void); | |
342 | static void delete_failure_queue (void); | |
343 | static void clear_failure_queue (void); | |
344 | static int check_live_switch (int, int); | |
345 | static const char *handle_braces (const char *); | |
346 | static inline bool input_suffix_matches (const char *, const char *); | |
347 | static inline bool switch_matches (const char *, const char *, int); | |
348 | static inline void mark_matching_switches (const char *, const char *, int); | |
349 | static inline void process_marked_switches (void); | |
350 | static const char *process_brace_body (const char *, const char *, const char *, int, int); | |
351 | static const struct spec_function *lookup_spec_function (const char *); | |
352 | static const char *eval_spec_function (const char *, const char *); | |
de5a5fa1 | 353 | static const char *handle_spec_function (const char *, bool *); |
1d088dee AJ |
354 | static char *save_string (const char *, int); |
355 | static void set_collect_gcc_options (void); | |
356 | static int do_spec_1 (const char *, int, const char *); | |
357 | static int do_spec_2 (const char *); | |
358 | static void do_option_spec (const char *, const char *); | |
359 | static void do_self_spec (const char *); | |
360 | static const char *find_file (const char *); | |
00dcee0c | 361 | static int is_directory (const char *, bool); |
d168aaee | 362 | static const char *validate_switches (const char *, bool); |
1d088dee | 363 | static void validate_all_switches (void); |
d168aaee | 364 | static inline void validate_switches_from_spec (const char *, bool); |
1d088dee | 365 | static void give_switch (int, int); |
1d088dee AJ |
366 | static int default_arg (const char *, int); |
367 | static void set_multilib_dir (void); | |
368 | static void print_multilib_info (void); | |
369 | static void perror_with_name (const char *); | |
1d088dee AJ |
370 | static void display_help (void); |
371 | static void add_preprocessor_option (const char *, int); | |
372 | static void add_assembler_option (const char *, int); | |
373 | static void add_linker_option (const char *, int); | |
60cf253a | 374 | static void process_command (unsigned int, struct cl_decoded_option *); |
1d088dee AJ |
375 | static int execute (void); |
376 | static void alloc_args (void); | |
377 | static void clear_args (void); | |
2dec80c7 | 378 | static void fatal_signal (int); |
328163dc | 379 | #if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC) |
1d088dee AJ |
380 | static void init_gcc_specs (struct obstack *, const char *, const char *, |
381 | const char *); | |
6894579f | 382 | #endif |
40cdfca6 | 383 | #if defined(HAVE_TARGET_OBJECT_SUFFIX) || defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
1d088dee | 384 | static const char *convert_filename (const char *, int, int); |
40cdfca6 | 385 | #endif |
f3226a90 | 386 | |
1120a850 | 387 | static void try_generate_repro (const char **argv); |
30d8946b | 388 | static const char *getenv_spec_function (int, const char **); |
1d088dee AJ |
389 | static const char *if_exists_spec_function (int, const char **); |
390 | static const char *if_exists_else_spec_function (int, const char **); | |
de5a5fa1 | 391 | static const char *sanitize_spec_function (int, const char **); |
3dd53121 | 392 | static const char *replace_outfile_spec_function (int, const char **); |
2642f659 | 393 | static const char *remove_outfile_spec_function (int, const char **); |
ed5b9f96 | 394 | static const char *version_compare_spec_function (int, const char **); |
953ff289 | 395 | static const char *include_spec_function (int, const char **); |
4adbd5dd | 396 | static const char *find_file_spec_function (int, const char **); |
c1ce46a5 | 397 | static const char *find_plugindir_spec_function (int, const char **); |
a0f87454 | 398 | static const char *print_asm_header_spec_function (int, const char **); |
2153915d AO |
399 | static const char *compare_debug_dump_opt_spec_function (int, const char **); |
400 | static const char *compare_debug_self_opt_spec_function (int, const char **); | |
401 | static const char *compare_debug_auxbase_opt_spec_function (int, const char **); | |
9a37bc07 | 402 | static const char *pass_through_libs_spec_func (int, const char **); |
99ea153e | 403 | static const char *replace_extension_spec_func (int, const char **); |
cf7416c3 | 404 | static const char *greater_than_spec_func (int, const char **); |
3c27ce4c | 405 | static char *convert_white_space (char *); |
ed1f651b | 406 | \f |
d991c721 BK |
407 | /* The Specs Language |
408 | ||
409 | Specs are strings containing lines, each of which (if not blank) | |
ed1f651b RS |
410 | is made up of a program name, and arguments separated by spaces. |
411 | The program name must be exact and start from root, since no path | |
412 | is searched and it is unreliable to depend on the current working directory. | |
413 | Redirection of input or output is not supported; the subprograms must | |
414 | accept filenames saying what files to read and write. | |
415 | ||
416 | In addition, the specs can contain %-sequences to substitute variable text | |
417 | or for conditional text. Here is a table of all defined %-sequences. | |
418 | Note that spaces are not generated automatically around the results of | |
419 | expanding these sequences; therefore, you can concatenate them together | |
420 | or with constant text in a single argument. | |
421 | ||
422 | %% substitute one % into the program name or argument. | |
423 | %i substitute the name of the input file being processed. | |
424 | %b substitute the basename of the input file being processed. | |
425 | This is the substring up to (and not including) the last period | |
14fdc613 | 426 | and not including the directory unless -save-temps was specified |
3beb864c | 427 | to put temporaries in a different location. |
ea414c97 | 428 | %B same as %b, but include the file suffix (text after the last period). |
dd75c292 CB |
429 | %gSUFFIX |
430 | substitute a file name that has suffix SUFFIX and is chosen | |
431 | once per compilation, and mark the argument a la %d. To reduce | |
432 | exposure to denial-of-service attacks, the file name is now | |
433 | chosen in a way that is hard to predict even when previously | |
434 | chosen file names are known. For example, `%g.s ... %g.o ... %g.s' | |
435 | might turn into `ccUVUUAU.s ccXYAXZ12.o ccUVUUAU.s'. SUFFIX matches | |
a92dd235 | 436 | the regexp "[.0-9A-Za-z]*%O"; "%O" is treated exactly as if it |
a1d9074c TT |
437 | had been pre-processed. Previously, %g was simply substituted |
438 | with a file name chosen once per compilation, without regard | |
439 | to any appended suffix (which was therefore treated just like | |
440 | ordinary text), making such attacks more likely to succeed. | |
4977bab6 ZW |
441 | %|SUFFIX |
442 | like %g, but if -pipe is in effect, expands simply to "-". | |
443 | %mSUFFIX | |
444 | like %g, but if -pipe is in effect, expands to nothing. (We have both | |
445 | %| and %m to accommodate differences between system assemblers; see | |
446 | the AS_NEEDS_DASH_FOR_PIPED_INPUT target macro.) | |
dd75c292 CB |
447 | %uSUFFIX |
448 | like %g, but generates a new temporary file name even if %uSUFFIX | |
449 | was already seen. | |
450 | %USUFFIX | |
451 | substitutes the last file name generated with %uSUFFIX, generating a | |
452 | new one if there is no such last file name. In the absence of any | |
453 | %uSUFFIX, this is just like %gSUFFIX, except they don't share | |
454 | the same suffix "space", so `%g.s ... %U.s ... %g.s ... %U.s' | |
455 | would involve the generation of two distinct file names, one | |
456 | for each `%g.s' and another for each `%U.s'. Previously, %U was | |
457 | simply substituted with a file name chosen for the previous %u, | |
458 | without regard to any appended suffix. | |
49009afd JL |
459 | %jSUFFIX |
460 | substitutes the name of the HOST_BIT_BUCKET, if any, and if it is | |
461 | writable, and if save-temps is off; otherwise, substitute the name | |
462 | of a temporary file, just like %u. This temporary file is not | |
463 | meant for communication between processes, but rather as a junk | |
464 | disposal mechanism. | |
11972f66 NS |
465 | %.SUFFIX |
466 | substitutes .SUFFIX for the suffixes of a matched switch's args when | |
467 | it is subsequently output with %*. SUFFIX is terminated by the next | |
468 | space or %. | |
ed1f651b | 469 | %d marks the argument containing or following the %d as a |
026c3cfd | 470 | temporary file name, so that file will be deleted if GCC exits |
ed1f651b RS |
471 | successfully. Unlike %g, this contributes no text to the argument. |
472 | %w marks the argument containing or following the %w as the | |
473 | "output file" of this compilation. This puts the argument | |
474 | into the sequence of arguments that %o will substitute later. | |
17211ab5 | 475 | %V indicates that this compilation produces no "output file". |
ed1f651b RS |
476 | %W{...} |
477 | like %{...} but mark last argument supplied within | |
478 | as a file to be deleted on failure. | |
479 | %o substitutes the names of all the output files, with spaces | |
480 | automatically placed around them. You should write spaces | |
481 | around the %o as well or the results are undefined. | |
482 | %o is for use in the specs for running the linker. | |
483 | Input files whose names have no recognized suffix are not compiled | |
484 | at all, but they are included among the output files, so they will | |
485 | be linked. | |
dd75c292 | 486 | %O substitutes the suffix for object files. Note that this is |
a1d9074c TT |
487 | handled specially when it immediately follows %g, %u, or %U |
488 | (with or without a suffix argument) because of the need for | |
489 | those to form complete file names. The handling is such that | |
490 | %O is treated exactly as if it had already been substituted, | |
491 | except that %g, %u, and %U do not currently support additional | |
492 | SUFFIX characters following %O as they would following, for | |
493 | example, `.o'. | |
047d636f | 494 | %I Substitute any of -iprefix (made from GCC_EXEC_PREFIX), -isysroot |
2b6dd222 JM |
495 | (made from TARGET_SYSTEM_ROOT), -isystem (made from COMPILER_PATH |
496 | and -B options) and -imultilib as necessary. | |
ed1f651b RS |
497 | %s current argument is the name of a library or startup file of some sort. |
498 | Search for that file in a standard list of directories | |
499 | and substitute the full name found. | |
500 | %eSTR Print STR as an error message. STR is terminated by a newline. | |
501 | Use this when inconsistent options are detected. | |
09da1532 | 502 | %nSTR Print STR as a notice. STR is terminated by a newline. |
ed1f651b RS |
503 | %x{OPTION} Accumulate an option for %X. |
504 | %X Output the accumulated linker options specified by compilations. | |
c9ebacb8 | 505 | %Y Output the accumulated assembler options specified by compilations. |
57cb9b60 | 506 | %Z Output the accumulated preprocessor options specified by compilations. |
ed1f651b RS |
507 | %a process ASM_SPEC as a spec. |
508 | This allows config.h to specify part of the spec for running as. | |
509 | %A process ASM_FINAL_SPEC as a spec. A capital A is actually | |
510 | used here. This can be used to run a post-processor after the | |
9ec36da5 | 511 | assembler has done its job. |
48ff801b | 512 | %D Dump out a -L option for each directory in startfile_prefixes. |
60103a34 | 513 | If multilib_dir is set, extra entries are generated with it affixed. |
ed1f651b RS |
514 | %l process LINK_SPEC as a spec. |
515 | %L process LIB_SPEC as a spec. | |
3cd50158 | 516 | %M Output multilib_os_dir. |
68d69835 | 517 | %G process LIBGCC_SPEC as a spec. |
380e5ca4 MM |
518 | %R Output the concatenation of target_system_root and |
519 | target_sysroot_suffix. | |
ed1f651b RS |
520 | %S process STARTFILE_SPEC as a spec. A capital S is actually used here. |
521 | %E process ENDFILE_SPEC as a spec. A capital E is actually used here. | |
9db0819e | 522 | %C process CPP_SPEC as a spec. |
ed1f651b RS |
523 | %1 process CC1_SPEC as a spec. |
524 | %2 process CC1PLUS_SPEC as a spec. | |
525 | %* substitute the variable part of a matched option. (See below.) | |
526 | Note that each comma in the substituted string is replaced by | |
25990163 NC |
527 | a single space. A space is appended after the last substition |
528 | unless there is more text in current sequence. | |
4977bab6 ZW |
529 | %<S remove all occurrences of -S from the command line. |
530 | Note - this command is position dependent. % commands in the | |
531 | spec string before this one will see -S, % commands in the | |
532 | spec string after this one will not. | |
96f5b137 | 533 | %>S Similar to "%<S", but keep it in the GCC command line. |
4977bab6 ZW |
534 | %<S* remove all occurrences of all switches beginning with -S from the |
535 | command line. | |
f3226a90 JT |
536 | %:function(args) |
537 | Call the named function FUNCTION, passing it ARGS. ARGS is | |
538 | first processed as a nested spec string, then split into an | |
539 | argument vector in the usual fashion. The function returns | |
540 | a string which is processed as if it had appeared literally | |
541 | as part of the current spec. | |
ee618c17 | 542 | %{S} substitutes the -S switch, if that switch was given to GCC. |
ed1f651b RS |
543 | If that switch was not specified, this substitutes nothing. |
544 | Here S is a metasyntactic variable. | |
ee618c17 | 545 | %{S*} substitutes all the switches specified to GCC whose names start |
196a37f4 | 546 | with -S. This is used for -o, -I, etc; switches that take |
ee618c17 | 547 | arguments. GCC considers `-o foo' as being one switch whose |
ed1f651b RS |
548 | name starts with `o'. %{o*} would substitute this text, |
549 | including the space; thus, two arguments would be generated. | |
196a37f4 | 550 | %{S*&T*} likewise, but preserve order of S and T options (the order |
1d088dee AJ |
551 | of S and T in the spec is not significant). Can be any number |
552 | of ampersand-separated variables; for each the wild card is | |
553 | optional. Useful for CPP as %{D*&U*&A*}. | |
4977bab6 | 554 | |
ee618c17 BE |
555 | %{S:X} substitutes X, if the -S switch was given to GCC. |
556 | %{!S:X} substitutes X, if the -S switch was NOT given to GCC. | |
4977bab6 | 557 | %{S*:X} substitutes X if one or more switches whose names start |
ee618c17 | 558 | with -S was given to GCC. Normally X is substituted only |
4977bab6 ZW |
559 | once, no matter how many such switches appeared. However, |
560 | if %* appears somewhere in X, then X will be substituted | |
561 | once for each matching switch, with the %* replaced by the | |
25990163 NC |
562 | part of that switch that matched the '*'. A space will be |
563 | appended after the last substition unless there is more | |
564 | text in current sequence. | |
4977bab6 ZW |
565 | %{.S:X} substitutes X, if processing a file with suffix S. |
566 | %{!.S:X} substitutes X, if NOT processing a file with suffix S. | |
48137d59 GK |
567 | %{,S:X} substitutes X, if processing a file which will use spec S. |
568 | %{!,S:X} substitutes X, if NOT processing a file which will use spec S. | |
3beb864c | 569 | |
ee618c17 | 570 | %{S|T:X} substitutes X if either -S or -T was given to GCC. This may be |
48137d59 GK |
571 | combined with '!', '.', ',', and '*' as above binding stronger |
572 | than the OR. | |
4977bab6 ZW |
573 | If %* appears in X, all of the alternatives must be starred, and |
574 | only the first matching alternative is substituted. | |
de5a5fa1 MP |
575 | %{%:function(args):X} |
576 | Call function named FUNCTION with args ARGS. If the function | |
577 | returns non-NULL, then X is substituted, if it returns | |
578 | NULL, it isn't substituted. | |
ee618c17 BE |
579 | %{S:X; if S was given to GCC, substitutes X; |
580 | T:Y; else if T was given to GCC, substitutes Y; | |
4977bab6 | 581 | :D} else substitutes D. There can be as many clauses as you need. |
48137d59 | 582 | This may be combined with '.', '!', ',', '|', and '*' as above. |
4977bab6 | 583 | |
b3865ca9 | 584 | %(Spec) processes a specification defined in a specs file as *Spec: |
ed1f651b | 585 | |
4977bab6 | 586 | The conditional text X in a %{S:X} or similar construct may contain |
ed1f651b | 587 | other nested % constructs or spaces, or even newlines. They are |
4977bab6 ZW |
588 | processed as usual, as described above. Trailing white space in X is |
589 | ignored. White space may also appear anywhere on the left side of the | |
590 | colon in these constructs, except between . or * and the corresponding | |
591 | word. | |
ed1f651b | 592 | |
99ea153e | 593 | The -O, -f, -g, -m, and -W switches are handled specifically in these |
f5b0eb4e RK |
594 | constructs. If another value of -O or the negated form of a -f, -m, or |
595 | -W switch is found later in the command line, the earlier switch | |
6c396fb5 RK |
596 | value is ignored, except with {S*} where S is just one letter; this |
597 | passes all matching options. | |
f5b0eb4e | 598 | |
9bf09437 RH |
599 | The character | at the beginning of the predicate text is used to indicate |
600 | that a command should be piped to the following command, but only if -pipe | |
601 | is specified. | |
ed1f651b | 602 | |
ee618c17 | 603 | Note that it is built into GCC which switches take arguments and which |
ed1f651b RS |
604 | do not. You might think it would be useful to generalize this to |
605 | allow each compiler's spec to say which switches take arguments. But | |
ee618c17 | 606 | this cannot be done in a consistent fashion. GCC cannot even decide |
ed1f651b RS |
607 | which input files have been specified without knowing which switches |
608 | take arguments, and it must know which input files to compile in order | |
609 | to tell which compilers to run. | |
610 | ||
ee618c17 | 611 | GCC also knows implicitly that arguments starting in `-l' are to be |
ed1f651b RS |
612 | treated as compiler output files, and passed to the linker in their |
613 | proper position among the other output files. */ | |
614 | \f | |
0fef3fd0 | 615 | /* Define the macros used for specs %a, %l, %L, %S, %C, %1. */ |
ed1f651b RS |
616 | |
617 | /* config.h can define ASM_SPEC to provide extra args to the assembler | |
618 | or extra switch-translations. */ | |
619 | #ifndef ASM_SPEC | |
620 | #define ASM_SPEC "" | |
621 | #endif | |
622 | ||
623 | /* config.h can define ASM_FINAL_SPEC to run a post processor after | |
624 | the assembler has run. */ | |
625 | #ifndef ASM_FINAL_SPEC | |
99ea153e SA |
626 | #define ASM_FINAL_SPEC \ |
627 | "%{gsplit-dwarf: \n\ | |
628 | objcopy --extract-dwo \ | |
629 | %{c:%{o*:%*}%{!o*:%b%O}}%{!c:%U%O} \ | |
630 | %{c:%{o*:%:replace-extension(%{o*:%*} .dwo)}%{!o*:%b.dwo}}%{!c:%b.dwo} \n\ | |
631 | objcopy --strip-dwo \ | |
632 | %{c:%{o*:%*}%{!o*:%b%O}}%{!c:%U%O} \ | |
633 | }" | |
ed1f651b RS |
634 | #endif |
635 | ||
636 | /* config.h can define CPP_SPEC to provide extra args to the C preprocessor | |
637 | or extra switch-translations. */ | |
638 | #ifndef CPP_SPEC | |
639 | #define CPP_SPEC "" | |
640 | #endif | |
641 | ||
642 | /* config.h can define CC1_SPEC to provide extra args to cc1 and cc1plus | |
643 | or extra switch-translations. */ | |
644 | #ifndef CC1_SPEC | |
645 | #define CC1_SPEC "" | |
646 | #endif | |
647 | ||
648 | /* config.h can define CC1PLUS_SPEC to provide extra args to cc1plus | |
649 | or extra switch-translations. */ | |
650 | #ifndef CC1PLUS_SPEC | |
651 | #define CC1PLUS_SPEC "" | |
652 | #endif | |
653 | ||
654 | /* config.h can define LINK_SPEC to provide extra args to the linker | |
655 | or extra switch-translations. */ | |
656 | #ifndef LINK_SPEC | |
657 | #define LINK_SPEC "" | |
658 | #endif | |
659 | ||
660 | /* config.h can define LIB_SPEC to override the default libraries. */ | |
661 | #ifndef LIB_SPEC | |
68d69835 JM |
662 | #define LIB_SPEC "%{!shared:%{g*:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}}" |
663 | #endif | |
664 | ||
7458026b ILT |
665 | /* When using -fsplit-stack we need to wrap pthread_create, in order |
666 | to initialize the stack guard. We always use wrapping, rather than | |
667 | shared library ordering, and we keep the wrapper function in | |
668 | libgcc. This is not yet a real spec, though it could become one; | |
669 | it is currently just stuffed into LINK_SPEC. FIXME: This wrapping | |
98906124 | 670 | only works with GNU ld and gold. */ |
402565b6 LB |
671 | #ifdef HAVE_GOLD_NON_DEFAULT_SPLIT_STACK |
672 | #define STACK_SPLIT_SPEC " %{fsplit-stack: -fuse-ld=gold --wrap=pthread_create}" | |
673 | #else | |
7458026b | 674 | #define STACK_SPLIT_SPEC " %{fsplit-stack: --wrap=pthread_create}" |
402565b6 | 675 | #endif |
7458026b | 676 | |
7e8d1b2d | 677 | #ifndef LIBASAN_SPEC |
35814b03 JJ |
678 | #define STATIC_LIBASAN_LIBS \ |
679 | " %{static-libasan:%:include(libsanitizer.spec)%(link_libasan)}" | |
e60e09a0 | 680 | #ifdef LIBASAN_EARLY_SPEC |
35814b03 | 681 | #define LIBASAN_SPEC STATIC_LIBASAN_LIBS |
e60e09a0 | 682 | #elif defined(HAVE_LD_STATIC_DYNAMIC) |
7e8d1b2d | 683 | #define LIBASAN_SPEC "%{static-libasan:" LD_STATIC_OPTION \ |
03d670c8 | 684 | "} -lasan %{static-libasan:" LD_DYNAMIC_OPTION "}" \ |
35814b03 | 685 | STATIC_LIBASAN_LIBS |
7e8d1b2d | 686 | #else |
35814b03 | 687 | #define LIBASAN_SPEC "-lasan" STATIC_LIBASAN_LIBS |
7e8d1b2d L |
688 | #endif |
689 | #endif | |
690 | ||
e60e09a0 JJ |
691 | #ifndef LIBASAN_EARLY_SPEC |
692 | #define LIBASAN_EARLY_SPEC "" | |
693 | #endif | |
694 | ||
32b4b7f5 | 695 | #ifndef LIBTSAN_SPEC |
35814b03 JJ |
696 | #define STATIC_LIBTSAN_LIBS \ |
697 | " %{static-libtsan:%:include(libsanitizer.spec)%(link_libtsan)}" | |
a74db9bd | 698 | #ifdef LIBTSAN_EARLY_SPEC |
35814b03 | 699 | #define LIBTSAN_SPEC STATIC_LIBTSAN_LIBS |
a74db9bd | 700 | #elif defined(HAVE_LD_STATIC_DYNAMIC) |
32b4b7f5 | 701 | #define LIBTSAN_SPEC "%{static-libtsan:" LD_STATIC_OPTION \ |
a74db9bd | 702 | "} -ltsan %{static-libtsan:" LD_DYNAMIC_OPTION "}" \ |
35814b03 | 703 | STATIC_LIBTSAN_LIBS |
32b4b7f5 | 704 | #else |
35814b03 | 705 | #define LIBTSAN_SPEC "-ltsan" STATIC_LIBTSAN_LIBS |
a74db9bd | 706 | #endif |
32b4b7f5 | 707 | #endif |
a74db9bd JJ |
708 | |
709 | #ifndef LIBTSAN_EARLY_SPEC | |
710 | #define LIBTSAN_EARLY_SPEC "" | |
32b4b7f5 DV |
711 | #endif |
712 | ||
9065ada9 | 713 | #ifndef LIBLSAN_SPEC |
35814b03 JJ |
714 | #define STATIC_LIBLSAN_LIBS \ |
715 | " %{static-liblsan:%:include(libsanitizer.spec)%(link_liblsan)}" | |
d30c7670 JJ |
716 | #ifdef LIBLSAN_EARLY_SPEC |
717 | #define LIBLSAN_SPEC STATIC_LIBLSAN_LIBS | |
718 | #elif defined(HAVE_LD_STATIC_DYNAMIC) | |
719 | #define LIBLSAN_SPEC "%{static-liblsan:" LD_STATIC_OPTION \ | |
9065ada9 | 720 | "} -llsan %{static-liblsan:" LD_DYNAMIC_OPTION "}" \ |
d30c7670 | 721 | STATIC_LIBLSAN_LIBS |
9065ada9 | 722 | #else |
d30c7670 | 723 | #define LIBLSAN_SPEC "-llsan" STATIC_LIBLSAN_LIBS |
9065ada9 JJ |
724 | #endif |
725 | #endif | |
726 | ||
d30c7670 JJ |
727 | #ifndef LIBLSAN_EARLY_SPEC |
728 | #define LIBLSAN_EARLY_SPEC "" | |
729 | #endif | |
730 | ||
de5a5fa1 | 731 | #ifndef LIBUBSAN_SPEC |
35814b03 JJ |
732 | #define STATIC_LIBUBSAN_LIBS \ |
733 | " %{static-libubsan:%:include(libsanitizer.spec)%(link_libubsan)}" | |
9065ada9 | 734 | #ifdef HAVE_LD_STATIC_DYNAMIC |
de5a5fa1 MP |
735 | #define LIBUBSAN_SPEC "%{static-libubsan:" LD_STATIC_OPTION \ |
736 | "} -lubsan %{static-libubsan:" LD_DYNAMIC_OPTION "}" \ | |
35814b03 | 737 | STATIC_LIBUBSAN_LIBS |
de5a5fa1 | 738 | #else |
35814b03 | 739 | #define LIBUBSAN_SPEC "-lubsan" STATIC_LIBUBSAN_LIBS |
de5a5fa1 MP |
740 | #endif |
741 | #endif | |
742 | ||
29d7cbd1 RO |
743 | /* Linker options for compressed debug sections. */ |
744 | #if HAVE_LD_COMPRESS_DEBUG == 0 | |
745 | /* No linker support. */ | |
746 | #define LINK_COMPRESS_DEBUG_SPEC \ | |
747 | " %{gz*:%e-gz is not supported in this configuration} " | |
748 | #elif HAVE_LD_COMPRESS_DEBUG == 1 | |
749 | /* GNU style on input, GNU ld options. Reject, not useful. */ | |
750 | #define LINK_COMPRESS_DEBUG_SPEC \ | |
751 | " %{gz*:%e-gz is not supported in this configuration} " | |
752 | #elif HAVE_LD_COMPRESS_DEBUG == 2 | |
753 | /* GNU style, GNU gold options. */ | |
754 | #define LINK_COMPRESS_DEBUG_SPEC \ | |
755 | " %{gz|gz=zlib-gnu:" LD_COMPRESS_DEBUG_OPTION "=zlib}" \ | |
756 | " %{gz=none:" LD_COMPRESS_DEBUG_OPTION "=none}" \ | |
757 | " %{gz=zlib:%e-gz=zlib is not supported in this configuration} " | |
758 | #elif HAVE_LD_COMPRESS_DEBUG == 3 | |
759 | /* ELF gABI style. */ | |
760 | #define LINK_COMPRESS_DEBUG_SPEC \ | |
761 | " %{gz|gz=zlib:" LD_COMPRESS_DEBUG_OPTION "=zlib}" \ | |
762 | " %{gz=none:" LD_COMPRESS_DEBUG_OPTION "=none}" \ | |
763 | " %{gz=zlib-gnu:" LD_COMPRESS_DEBUG_OPTION "=zlib-gnu} " | |
764 | #else | |
765 | #error Unknown value for HAVE_LD_COMPRESS_DEBUG. | |
766 | #endif | |
767 | ||
68d69835 JM |
768 | /* config.h can define LIBGCC_SPEC to override how and when libgcc.a is |
769 | included. */ | |
770 | #ifndef LIBGCC_SPEC | |
328163dc MA |
771 | #if defined(REAL_LIBGCC_SPEC) |
772 | #define LIBGCC_SPEC REAL_LIBGCC_SPEC | |
57642751 | 773 | #elif defined(LINK_LIBGCC_SPECIAL_1) |
68d69835 | 774 | /* Have gcc do the search for libgcc.a. */ |
ba2b7435 | 775 | #define LIBGCC_SPEC "libgcc.a%s" |
68d69835 | 776 | #else |
ba2b7435 | 777 | #define LIBGCC_SPEC "-lgcc" |
68d69835 | 778 | #endif |
ed1f651b RS |
779 | #endif |
780 | ||
781 | /* config.h can define STARTFILE_SPEC to override the default crt0 files. */ | |
782 | #ifndef STARTFILE_SPEC | |
783 | #define STARTFILE_SPEC \ | |
adcb8d7d | 784 | "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}" |
ed1f651b RS |
785 | #endif |
786 | ||
ed1f651b RS |
787 | /* config.h can define ENDFILE_SPEC to override the default crtn files. */ |
788 | #ifndef ENDFILE_SPEC | |
789 | #define ENDFILE_SPEC "" | |
790 | #endif | |
791 | ||
10da1131 BM |
792 | #ifndef LINKER_NAME |
793 | #define LINKER_NAME "collect2" | |
794 | #endif | |
795 | ||
c8aea42c PB |
796 | #ifdef HAVE_AS_DEBUG_PREFIX_MAP |
797 | #define ASM_MAP " %{fdebug-prefix-map=*:--debug-prefix-map %*}" | |
798 | #else | |
799 | #define ASM_MAP "" | |
800 | #endif | |
801 | ||
29d7cbd1 RO |
802 | /* Assembler options for compressed debug sections. */ |
803 | #if HAVE_LD_COMPRESS_DEBUG < 2 | |
804 | /* Reject if the linker cannot write compressed debug sections. */ | |
805 | #define ASM_COMPRESS_DEBUG_SPEC \ | |
806 | " %{gz*:%e-gz is not supported in this configuration} " | |
807 | #else /* HAVE_LD_COMPRESS_DEBUG >= 2 */ | |
808 | #if HAVE_AS_COMPRESS_DEBUG == 0 | |
809 | /* No assembler support. Ignore silently. */ | |
810 | #define ASM_COMPRESS_DEBUG_SPEC \ | |
811 | " %{gz*:} " | |
812 | #elif HAVE_AS_COMPRESS_DEBUG == 1 | |
813 | /* GNU style, GNU as options. */ | |
814 | #define ASM_COMPRESS_DEBUG_SPEC \ | |
815 | " %{gz|gz=zlib-gnu:" AS_COMPRESS_DEBUG_OPTION "}" \ | |
816 | " %{gz=none:" AS_NO_COMPRESS_DEBUG_OPTION "}" \ | |
817 | " %{gz=zlib:%e-gz=zlib is not supported in this configuration} " | |
818 | #elif HAVE_AS_COMPRESS_DEBUG == 2 | |
819 | /* ELF gABI style. */ | |
820 | #define ASM_COMPRESS_DEBUG_SPEC \ | |
821 | " %{gz|gz=zlib:" AS_COMPRESS_DEBUG_OPTION "=zlib}" \ | |
822 | " %{gz=none:" AS_COMPRESS_DEBUG_OPTION "=none}" \ | |
823 | " %{gz=zlib-gnu:" AS_COMPRESS_DEBUG_OPTION "=zlib-gnu} " | |
824 | #else | |
825 | #error Unknown value for HAVE_AS_COMPRESS_DEBUG. | |
826 | #endif | |
827 | #endif /* HAVE_LD_COMPRESS_DEBUG >= 2 */ | |
828 | ||
5f0e9ea2 GK |
829 | /* Define ASM_DEBUG_SPEC to be a spec suitable for translating '-g' |
830 | to the assembler. */ | |
831 | #ifndef ASM_DEBUG_SPEC | |
b2ace8a4 JJ |
832 | # if defined(DBX_DEBUGGING_INFO) && defined(DWARF2_DEBUGGING_INFO) \ |
833 | && defined(HAVE_AS_GDWARF2_DEBUG_FLAG) && defined(HAVE_AS_GSTABS_DEBUG_FLAG) | |
c8aea42c PB |
834 | # define ASM_DEBUG_SPEC \ |
835 | (PREFERRED_DEBUGGING_TYPE == DBX_DEBUG \ | |
6782438d | 836 | ? "%{!g0:%{gdwarf*:--gdwarf2}%{!gdwarf*:%{g*:--gstabs}}}" ASM_MAP \ |
c7b94907 | 837 | : "%{!g0:%{gstabs*:--gstabs}%{!gstabs*:%{g*:--gdwarf2}}}" ASM_MAP) |
b2ace8a4 JJ |
838 | # else |
839 | # if defined(DBX_DEBUGGING_INFO) && defined(HAVE_AS_GSTABS_DEBUG_FLAG) | |
c7b94907 | 840 | # define ASM_DEBUG_SPEC "%{g*:%{!g0:--gstabs}}" ASM_MAP |
b2ace8a4 JJ |
841 | # endif |
842 | # if defined(DWARF2_DEBUGGING_INFO) && defined(HAVE_AS_GDWARF2_DEBUG_FLAG) | |
c7b94907 | 843 | # define ASM_DEBUG_SPEC "%{g*:%{!g0:--gdwarf2}}" ASM_MAP |
5f0e9ea2 | 844 | # endif |
5f0e9ea2 GK |
845 | # endif |
846 | #endif | |
8a63621f JJ |
847 | #ifndef ASM_DEBUG_SPEC |
848 | # define ASM_DEBUG_SPEC "" | |
849 | #endif | |
5f0e9ea2 | 850 | |
ea414c97 ZW |
851 | /* Here is the spec for running the linker, after compiling all files. */ |
852 | ||
bbd7687d DM |
853 | /* This is overridable by the target in case they need to specify the |
854 | -lgcc and -lc order specially, yet not require them to override all | |
855 | of LINK_COMMAND_SPEC. */ | |
856 | #ifndef LINK_GCC_C_SEQUENCE_SPEC | |
857 | #define LINK_GCC_C_SEQUENCE_SPEC "%G %L %G" | |
858 | #endif | |
859 | ||
77008252 JJ |
860 | #ifndef LINK_SSP_SPEC |
861 | #ifdef TARGET_LIBC_PROVIDES_SSP | |
33eaef4b RO |
862 | #define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ |
863 | "|fstack-protector-strong|fstack-protector-explicit:}" | |
77008252 | 864 | #else |
33eaef4b RO |
865 | #define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ |
866 | "|fstack-protector-strong|fstack-protector-explicit" \ | |
867 | ":-lssp_nonshared -lssp}" | |
77008252 JJ |
868 | #endif |
869 | #endif | |
870 | ||
428b3812 L |
871 | #ifdef ENABLE_DEFAULT_PIE |
872 | #define NO_PIE_SPEC "no-pie|static" | |
873 | #define PIE_SPEC NO_PIE_SPEC "|r|shared:;" | |
874 | #define NO_FPIE1_SPEC "fno-pie" | |
875 | #define FPIE1_SPEC NO_FPIE1_SPEC ":;" | |
876 | #define NO_FPIE2_SPEC "fno-PIE" | |
877 | #define FPIE2_SPEC NO_FPIE2_SPEC ":;" | |
878 | #define NO_FPIE_SPEC NO_FPIE1_SPEC "|" NO_FPIE2_SPEC | |
879 | #define FPIE_SPEC NO_FPIE_SPEC ":;" | |
880 | #define NO_FPIC1_SPEC "fno-pic" | |
881 | #define FPIC1_SPEC NO_FPIC1_SPEC ":;" | |
882 | #define NO_FPIC2_SPEC "fno-PIC" | |
883 | #define FPIC2_SPEC NO_FPIC2_SPEC ":;" | |
884 | #define NO_FPIC_SPEC NO_FPIC1_SPEC "|" NO_FPIC2_SPEC | |
885 | #define FPIC_SPEC NO_FPIC_SPEC ":;" | |
886 | #define NO_FPIE1_AND_FPIC1_SPEC NO_FPIE1_SPEC "|" NO_FPIC1_SPEC | |
887 | #define FPIE1_OR_FPIC1_SPEC NO_FPIE1_AND_FPIC1_SPEC ":;" | |
888 | #define NO_FPIE2_AND_FPIC2_SPEC NO_FPIE2_SPEC "|" NO_FPIC2_SPEC | |
889 | #define FPIE2_OR_FPIC2_SPEC NO_FPIE2_AND_FPIC2_SPEC ":;" | |
890 | #define NO_FPIE_AND_FPIC_SPEC NO_FPIE_SPEC "|" NO_FPIC_SPEC | |
891 | #define FPIE_OR_FPIC_SPEC NO_FPIE_AND_FPIC_SPEC ":;" | |
892 | #else | |
893 | #define PIE_SPEC "pie" | |
894 | #define NO_PIE_SPEC PIE_SPEC "|r|shared:;" | |
895 | #define FPIE1_SPEC "fpie" | |
896 | #define NO_FPIE1_SPEC FPIE1_SPEC ":;" | |
897 | #define FPIE2_SPEC "fPIE" | |
898 | #define NO_FPIE2_SPEC FPIE2_SPEC ":;" | |
899 | #define FPIE_SPEC FPIE1_SPEC "|" FPIE2_SPEC | |
900 | #define NO_FPIE_SPEC FPIE_SPEC ":;" | |
901 | #define FPIC1_SPEC "fpic" | |
902 | #define NO_FPIC1_SPEC FPIC1_SPEC ":;" | |
903 | #define FPIC2_SPEC "fPIC" | |
904 | #define NO_FPIC2_SPEC FPIC2_SPEC ":;" | |
905 | #define FPIC_SPEC FPIC1_SPEC "|" FPIC2_SPEC | |
906 | #define NO_FPIC_SPEC FPIC_SPEC ":;" | |
907 | #define FPIE1_OR_FPIC1_SPEC FPIE1_SPEC "|" FPIC1_SPEC | |
908 | #define NO_FPIE1_AND_FPIC1_SPEC FPIE1_OR_FPIC1_SPEC ":;" | |
909 | #define FPIE2_OR_FPIC2_SPEC FPIE2_SPEC "|" FPIC2_SPEC | |
910 | #define NO_FPIE2_AND_FPIC2_SPEC FPIE1_OR_FPIC2_SPEC ":;" | |
911 | #define FPIE_OR_FPIC_SPEC FPIE_SPEC "|" FPIC_SPEC | |
912 | #define NO_FPIE_AND_FPIC_SPEC FPIE_OR_FPIC_SPEC ":;" | |
913 | #endif | |
914 | ||
24a4dd31 JJ |
915 | #ifndef LINK_PIE_SPEC |
916 | #ifdef HAVE_LD_PIE | |
df2a1cc4 | 917 | #ifndef LD_PIE_SPEC |
428b3812 | 918 | #define LD_PIE_SPEC "-pie" |
df2a1cc4 | 919 | #endif |
24a4dd31 | 920 | #else |
428b3812 | 921 | #define LD_PIE_SPEC "" |
24a4dd31 | 922 | #endif |
428b3812 | 923 | #define LINK_PIE_SPEC "%{no-pie:} " "%{" PIE_SPEC ":" LD_PIE_SPEC "} " |
24a4dd31 JJ |
924 | #endif |
925 | ||
cd533689 PP |
926 | #ifndef LINK_BUILDID_SPEC |
927 | # if defined(HAVE_LD_BUILDID) && defined(ENABLE_LD_BUILDID) | |
928 | # define LINK_BUILDID_SPEC "%{!r:--build-id} " | |
929 | # endif | |
930 | #endif | |
931 | ||
55b46574 | 932 | /* Conditional to test whether the LTO plugin is used or not. |
56e22cab JH |
933 | FIXME: For slim LTO we will need to enable plugin unconditionally. This |
934 | still cause problems with PLUGIN_LD != LD and when plugin is built but | |
935 | not useable. For GCC 4.6 we don't support slim LTO and thus we can enable | |
936 | plugin only when LTO is enabled. We still honor explicit | |
55b46574 RO |
937 | -fuse-linker-plugin if the linker used understands -plugin. */ |
938 | ||
939 | /* The linker has some plugin support. */ | |
940 | #if HAVE_LTO_PLUGIN > 0 | |
941 | /* The linker used has full plugin support, use LTO plugin by default. */ | |
942 | #if HAVE_LTO_PLUGIN == 2 | |
f3ba16d0 | 943 | #define PLUGIN_COND "!fno-use-linker-plugin:%{!fno-lto" |
56e22cab | 944 | #define PLUGIN_COND_CLOSE "}" |
96bdf9b4 | 945 | #else |
55b46574 RO |
946 | /* The linker used has limited plugin support, use LTO plugin with explicit |
947 | -fuse-linker-plugin. */ | |
96bdf9b4 | 948 | #define PLUGIN_COND "fuse-linker-plugin" |
56e22cab | 949 | #define PLUGIN_COND_CLOSE "" |
96bdf9b4 | 950 | #endif |
55b46574 | 951 | #define LINK_PLUGIN_SPEC \ |
16998094 | 952 | "%{" PLUGIN_COND": \ |
55b46574 RO |
953 | -plugin %(linker_plugin_file) \ |
954 | -plugin-opt=%(lto_wrapper) \ | |
955 | -plugin-opt=-fresolution=%u.res \ | |
956 | %{!nostdlib:%{!nodefaultlibs:%:pass-through-libs(%(link_gcc_c_sequence))}} \ | |
16998094 | 957 | }" PLUGIN_COND_CLOSE |
55b46574 RO |
958 | #else |
959 | /* The linker used doesn't support -plugin, reject -fuse-linker-plugin. */ | |
960 | #define LINK_PLUGIN_SPEC "%{fuse-linker-plugin:\ | |
961 | %e-fuse-linker-plugin is not supported in this configuration}" | |
962 | #endif | |
96bdf9b4 | 963 | |
a74db9bd JJ |
964 | /* Linker command line options for -fsanitize= early on the command line. */ |
965 | #ifndef SANITIZER_EARLY_SPEC | |
966 | #define SANITIZER_EARLY_SPEC "\ | |
de5a5fa1 | 967 | %{!nostdlib:%{!nodefaultlibs:%{%:sanitize(address):" LIBASAN_EARLY_SPEC "} \ |
d30c7670 JJ |
968 | %{%:sanitize(thread):" LIBTSAN_EARLY_SPEC "} \ |
969 | %{%:sanitize(leak):" LIBLSAN_EARLY_SPEC "}}}" | |
a74db9bd JJ |
970 | #endif |
971 | ||
972 | /* Linker command line options for -fsanitize= late on the command line. */ | |
973 | #ifndef SANITIZER_SPEC | |
974 | #define SANITIZER_SPEC "\ | |
de5a5fa1 | 975 | %{!nostdlib:%{!nodefaultlibs:%{%:sanitize(address):" LIBASAN_SPEC "\ |
fec4842d | 976 | %{static:%ecannot specify -static with -fsanitize=address}}\ |
de5a5fa1 | 977 | %{%:sanitize(thread):" LIBTSAN_SPEC "\ |
4bb0ca2d | 978 | %{static:%ecannot specify -static with -fsanitize=thread}}\ |
9065ada9 JJ |
979 | %{%:sanitize(undefined):" LIBUBSAN_SPEC "}\ |
980 | %{%:sanitize(leak):" LIBLSAN_SPEC "}}}" | |
a74db9bd | 981 | #endif |
cd533689 | 982 | |
2077db1b CT |
983 | /* This is the spec to use, once the code for creating the vtable |
984 | verification runtime library, libvtv.so, has been created. Currently | |
985 | the vtable verification runtime functions are in libstdc++, so we use | |
986 | the spec just below this one. */ | |
987 | #ifndef VTABLE_VERIFICATION_SPEC | |
988 | #define VTABLE_VERIFICATION_SPEC "\ | |
989 | %{!nostdlib:%{fvtable-verify=std: -lvtv -u_vtable_map_vars_start -u_vtable_map_vars_end}\ | |
990 | %{fvtable-verify=preinit: -lvtv -u_vtable_map_vars_start -u_vtable_map_vars_end}}" | |
991 | #endif | |
992 | ||
5373cd33 IE |
993 | #ifndef CHKP_SPEC |
994 | #define CHKP_SPEC "" | |
995 | #endif | |
996 | ||
ea414c97 ZW |
997 | /* -u* was put back because both BSD and SysV seem to support it. */ |
998 | /* %{static:} simply prevents an error message if the target machine | |
999 | doesn't handle -static. */ | |
1000 | /* We want %{T*} after %{L*} and %D so that it can be used to specify linker | |
1001 | scripts which exist in user specified directories, or in standard | |
1002 | directories. */ | |
014d92e1 | 1003 | /* We pass any -flto flags on to the linker, which is expected |
d7f09764 | 1004 | to understand them. In practice, this means it had better be collect2. */ |
fa381cb2 | 1005 | /* %{e*} includes -export-dynamic; see comment in common.opt. */ |
ea414c97 ZW |
1006 | #ifndef LINK_COMMAND_SPEC |
1007 | #define LINK_COMMAND_SPEC "\ | |
1008 | %{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\ | |
55b46574 RO |
1009 | %(linker) " \ |
1010 | LINK_PLUGIN_SPEC \ | |
a74db9bd | 1011 | "%{flto|flto=*:%<fcompare-debug*} \ |
d8857ac6 | 1012 | %{flto} %{fno-lto} %{flto=*} %l " LINK_PIE_SPEC \ |
29d7cbd1 RO |
1013 | "%{fuse-ld=*:-fuse-ld=%*} " LINK_COMPRESS_DEBUG_SPEC \ |
1014 | "%X %{o*} %{e*} %{N} %{n} %{r}\ | |
2077db1b | 1015 | %{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}} " VTABLE_VERIFICATION_SPEC " \ |
a74db9bd | 1016 | %{static:} %{L*} %(mfwrap) %(link_libgcc) " SANITIZER_EARLY_SPEC " %o\ |
5373cd33 | 1017 | " CHKP_SPEC " \ |
cf7416c3 TV |
1018 | %{fopenacc|fopenmp|%:gt(%{ftree-parallelize-loops=*} 1):\ |
1019 | %:include(libgomp.spec)%(link_gomp)}\ | |
b9487dd8 | 1020 | %{fcilkplus:%:include(libcilkrts.spec)%(link_cilkrts)}\ |
255a9a1b | 1021 | %{fgnu-tm:%:include(libitm.spec)%(link_itm)}\ |
7458026b | 1022 | %(mflib) " STACK_SPLIT_SPEC "\ |
a74db9bd | 1023 | %{fprofile-arcs|fprofile-generate*|coverage:-lgcov} " SANITIZER_SPEC " \ |
9714c911 | 1024 | %{!nostdlib:%{!nodefaultlibs:%(link_ssp) %(link_gcc_c_sequence)}}\ |
12b57b0f | 1025 | %{!nostdlib:%{!nostartfiles:%E}} %{T*} }}}}}}" |
ea414c97 ZW |
1026 | #endif |
1027 | ||
1028 | #ifndef LINK_LIBGCC_SPEC | |
57642751 DJ |
1029 | /* Generate -L options for startfile prefix list. */ |
1030 | # define LINK_LIBGCC_SPEC "%D" | |
ea414c97 ZW |
1031 | #endif |
1032 | ||
343f59d9 AM |
1033 | #ifndef STARTFILE_PREFIX_SPEC |
1034 | # define STARTFILE_PREFIX_SPEC "" | |
1035 | #endif | |
1036 | ||
380e5ca4 MM |
1037 | #ifndef SYSROOT_SPEC |
1038 | # define SYSROOT_SPEC "--sysroot=%R" | |
1039 | #endif | |
1040 | ||
e7f13528 GP |
1041 | #ifndef SYSROOT_SUFFIX_SPEC |
1042 | # define SYSROOT_SUFFIX_SPEC "" | |
1043 | #endif | |
1044 | ||
1045 | #ifndef SYSROOT_HEADERS_SUFFIX_SPEC | |
1046 | # define SYSROOT_HEADERS_SUFFIX_SPEC "" | |
1047 | #endif | |
1048 | ||
b24513a1 | 1049 | static const char *asm_debug = ASM_DEBUG_SPEC; |
3b304f5b | 1050 | static const char *cpp_spec = CPP_SPEC; |
3b304f5b ZW |
1051 | static const char *cc1_spec = CC1_SPEC; |
1052 | static const char *cc1plus_spec = CC1PLUS_SPEC; | |
bbd7687d | 1053 | static const char *link_gcc_c_sequence_spec = LINK_GCC_C_SEQUENCE_SPEC; |
77008252 | 1054 | static const char *link_ssp_spec = LINK_SSP_SPEC; |
3b304f5b ZW |
1055 | static const char *asm_spec = ASM_SPEC; |
1056 | static const char *asm_final_spec = ASM_FINAL_SPEC; | |
1057 | static const char *link_spec = LINK_SPEC; | |
1058 | static const char *lib_spec = LIB_SPEC; | |
953ff289 | 1059 | static const char *link_gomp_spec = ""; |
3b304f5b ZW |
1060 | static const char *libgcc_spec = LIBGCC_SPEC; |
1061 | static const char *endfile_spec = ENDFILE_SPEC; | |
1062 | static const char *startfile_spec = STARTFILE_SPEC; | |
3b304f5b | 1063 | static const char *linker_name_spec = LINKER_NAME; |
d7f09764 DN |
1064 | static const char *linker_plugin_file_spec = ""; |
1065 | static const char *lto_wrapper_spec = ""; | |
1066 | static const char *lto_gcc_spec = ""; | |
ea414c97 ZW |
1067 | static const char *link_command_spec = LINK_COMMAND_SPEC; |
1068 | static const char *link_libgcc_spec = LINK_LIBGCC_SPEC; | |
343f59d9 | 1069 | static const char *startfile_prefix_spec = STARTFILE_PREFIX_SPEC; |
380e5ca4 | 1070 | static const char *sysroot_spec = SYSROOT_SPEC; |
e7f13528 GP |
1071 | static const char *sysroot_suffix_spec = SYSROOT_SUFFIX_SPEC; |
1072 | static const char *sysroot_hdrs_suffix_spec = SYSROOT_HEADERS_SUFFIX_SPEC; | |
84f405a1 | 1073 | static const char *self_spec = ""; |
ea414c97 ZW |
1074 | |
1075 | /* Standard options to cpp, cc1, and as, to reduce duplication in specs. | |
1076 | There should be no need to override these in target dependent files, | |
1077 | but we need to copy them to the specs file so that newer versions | |
1078 | of the GCC driver can correctly drive older tool chains with the | |
1079 | appropriate -B options. */ | |
1080 | ||
e5f5feea NB |
1081 | /* When cpplib handles traditional preprocessing, get rid of this, and |
1082 | call cc1 (or cc1obj in objc/lang-specs.h) from the main specs so | |
1083 | that we default the front end language better. */ | |
ea414c97 | 1084 | static const char *trad_capable_cpp = |
3028a95c | 1085 | "cc1 -E %{traditional|traditional-cpp:-traditional-cpp}"; |
ea414c97 | 1086 | |
4ca1256f NB |
1087 | /* We don't wrap .d files in %W{} since a missing .d file, and |
1088 | therefore no dependency entry, confuses make into thinking a .o | |
1089 | file that happens to exist is up-to-date. */ | |
ffdeea47 | 1090 | static const char *cpp_unique_options = |
9cc54940 | 1091 | "%{!Q:-quiet} %{nostdinc*} %{C} %{CC} %{v} %{I*&F*} %{P} %I\ |
c878765b JM |
1092 | %{MD:-MD %{!o:%b.d}%{o*:%.d%*}}\ |
1093 | %{MMD:-MMD %{!o:%b.d}%{o*:%.d%*}}\ | |
4ca1256f | 1094 | %{M} %{MM} %{MF*} %{MG} %{MP} %{MQ*} %{MT*}\ |
3dfe046f | 1095 | %{!E:%{!M:%{!MM:%{!MT:%{!MQ:%{MD|MMD:%{o*:-MQ %*}}}}}}}\ |
3a610de8 | 1096 | %{remap} %{g3|ggdb3|gstabs3|gcoff3|gxcoff3|gvms3:-dD}\ |
c1ce46a5 | 1097 | %{!iplugindir*:%{fplugin*:%:find-plugindir()}}\ |
3a610de8 | 1098 | %{H} %C %{D*&U*&A*} %{i*} %Z %i\ |
56cd5b95 | 1099 | %{E|M|MM:%W{o*}}"; |
ffdeea47 JJ |
1100 | |
1101 | /* This contains cpp options which are common with cc1_options and are passed | |
059ba716 CD |
1102 | only when preprocessing only to avoid duplication. We pass the cc1 spec |
1103 | options to the preprocessor so that it the cc1 spec may manipulate | |
1104 | options used to set target flags. Those special target flags settings may | |
1105 | in turn cause preprocessor symbols to be defined specially. */ | |
ffdeea47 | 1106 | static const char *cpp_options = |
740ca4b2 | 1107 | "%(cpp_unique_options) %1 %{m*} %{std*&ansi&trigraphs} %{W*&pedantic*} %{w}\ |
09828811 | 1108 | %{f*} %{g*:%{!g0:%{g*} %{!fno-working-directory:-fworking-directory}}} %{O*}\ |
14fdc613 | 1109 | %{undef} %{save-temps*:-fpch-preprocess}"; |
ea414c97 | 1110 | |
8b968bd1 MW |
1111 | /* This contains cpp options which are not passed when the preprocessor |
1112 | output will be used by another program. */ | |
1113 | static const char *cpp_debug_options = "%{d*}"; | |
1114 | ||
708bceb7 | 1115 | /* NB: This is shared amongst all front-ends, except for Ada. */ |
ea414c97 ZW |
1116 | static const char *cc1_options = |
1117 | "%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\ | |
c1ce46a5 | 1118 | %{!iplugindir*:%{fplugin*:%:find-plugindir()}}\ |
1890bccc | 1119 | %1 %{!Q:-quiet} %{!dumpbase:-dumpbase %B} %{d*} %{m*} %{aux-info*}\ |
2153915d AO |
1120 | %{fcompare-debug-second:%:compare-debug-auxbase-opt(%b)} \ |
1121 | %{!fcompare-debug-second:%{c|S:%{o*:-auxbase-strip %*}%{!o*:-auxbase %b}}}%{!c:%{!S:-auxbase %b}} \ | |
740ca4b2 | 1122 | %{g*} %{O*} %{W*&pedantic*} %{w} %{std*&ansi&trigraphs}\ |
3df89291 | 1123 | %{v:-version} %{pg:-p} %{p} %{f*} %{undef}\ |
dd9f93dc | 1124 | %{Qn:-fno-ident} %{Qy:} %{-help:--help}\ |
e200444e JM |
1125 | %{-target-help:--target-help}\ |
1126 | %{-version:--version}\ | |
1127 | %{-help=*:--help=%*}\ | |
49009afd | 1128 | %{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}}\ |
6de9cd9a | 1129 | %{fsyntax-only:-o %j} %{-param*}\ |
ee4c708e | 1130 | %{coverage:-fprofile-arcs -ftest-coverage}"; |
ea414c97 ZW |
1131 | |
1132 | static const char *asm_options = | |
a016dc83 | 1133 | "%{-target-help:%:print-asm-header()} " |
dc60b775 CD |
1134 | #if HAVE_GNU_AS |
1135 | /* If GNU AS is used, then convert -w (no warnings), -I, and -v | |
1136 | to the assembler equivalents. */ | |
1137 | "%{v} %{w:-W} %{I*} " | |
1138 | #endif | |
29d7cbd1 | 1139 | ASM_COMPRESS_DEBUG_SPEC |
dc60b775 | 1140 | "%a %Y %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}"; |
ffd86336 | 1141 | |
5a8e2650 | 1142 | static const char *invoke_as = |
4977bab6 | 1143 | #ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT |
f300e7b8 | 1144 | "%{!fwpa*:\ |
d7f09764 DN |
1145 | %{fcompare-debug=*|fdump-final-insns=*:%:compare-debug-dump-opt()}\ |
1146 | %{!S:-o %|.s |\n as %(asm_options) %|.s %A }\ | |
1147 | }"; | |
4977bab6 | 1148 | #else |
f300e7b8 | 1149 | "%{!fwpa*:\ |
d7f09764 DN |
1150 | %{fcompare-debug=*|fdump-final-insns=*:%:compare-debug-dump-opt()}\ |
1151 | %{!S:-o %|.s |\n as %(asm_options) %m.s %A }\ | |
1152 | }"; | |
4977bab6 | 1153 | #endif |
5a8e2650 | 1154 | |
ffd86336 | 1155 | /* Some compilers have limits on line lengths, and the multilib_select |
961b7009 MM |
1156 | and/or multilib_matches strings can be very long, so we build them at |
1157 | run time. */ | |
ffd86336 | 1158 | static struct obstack multilib_obstack; |
3b304f5b ZW |
1159 | static const char *multilib_select; |
1160 | static const char *multilib_matches; | |
1161 | static const char *multilib_defaults; | |
1162 | static const char *multilib_exclusions; | |
e7f49d92 | 1163 | static const char *multilib_reuse; |
961b7009 MM |
1164 | |
1165 | /* Check whether a particular argument is a default argument. */ | |
1166 | ||
1167 | #ifndef MULTILIB_DEFAULTS | |
1168 | #define MULTILIB_DEFAULTS { "" } | |
1169 | #endif | |
1170 | ||
d25a45d4 | 1171 | static const char *const multilib_defaults_raw[] = MULTILIB_DEFAULTS; |
ed1f651b | 1172 | |
db36994b RS |
1173 | #ifndef DRIVER_SELF_SPECS |
1174 | #define DRIVER_SELF_SPECS "" | |
1175 | #endif | |
1176 | ||
de14871c | 1177 | /* Linking to libgomp implies pthreads. This is particularly important |
953ff289 DN |
1178 | for targets that use different start files and suchlike. */ |
1179 | #ifndef GOMP_SELF_SPECS | |
cf7416c3 TV |
1180 | #define GOMP_SELF_SPECS \ |
1181 | "%{fopenacc|fopenmp|%:gt(%{ftree-parallelize-loops=*} 1): " \ | |
41dbbb37 | 1182 | "-pthread}" |
953ff289 DN |
1183 | #endif |
1184 | ||
255a9a1b EB |
1185 | /* Likewise for -fgnu-tm. */ |
1186 | #ifndef GTM_SELF_SPECS | |
1187 | #define GTM_SELF_SPECS "%{fgnu-tm: -pthread}" | |
1188 | #endif | |
1189 | ||
b9487dd8 TB |
1190 | /* Likewise for -fcilkplus. */ |
1191 | #ifndef CILK_SELF_SPECS | |
1192 | #define CILK_SELF_SPECS "%{fcilkplus: -pthread}" | |
1193 | #endif | |
1194 | ||
953ff289 | 1195 | static const char *const driver_self_specs[] = { |
b5b8b0ac | 1196 | "%{fdump-final-insns:-fdump-final-insns=.} %<fdump-final-insns", |
b9487dd8 TB |
1197 | DRIVER_SELF_SPECS, CONFIGURE_SPECS, GOMP_SELF_SPECS, GTM_SELF_SPECS, |
1198 | CILK_SELF_SPECS | |
953ff289 | 1199 | }; |
db36994b | 1200 | |
7816bea0 DJ |
1201 | #ifndef OPTION_DEFAULT_SPECS |
1202 | #define OPTION_DEFAULT_SPECS { "", "" } | |
1203 | #endif | |
1204 | ||
1205 | struct default_spec | |
1206 | { | |
1207 | const char *name; | |
1208 | const char *spec; | |
1209 | }; | |
1210 | ||
1211 | static const struct default_spec | |
1212 | option_default_specs[] = { OPTION_DEFAULT_SPECS }; | |
1213 | ||
3ac63d94 NC |
1214 | struct user_specs |
1215 | { | |
d9ac3a07 | 1216 | struct user_specs *next; |
878f32c3 | 1217 | const char *filename; |
d9ac3a07 MM |
1218 | }; |
1219 | ||
1220 | static struct user_specs *user_specs_head, *user_specs_tail; | |
1221 | ||
ed1f651b RS |
1222 | \f |
1223 | /* Record the mapping from file suffixes for compilation specs. */ | |
1224 | ||
1225 | struct compiler | |
1226 | { | |
878f32c3 | 1227 | const char *suffix; /* Use this compiler for input files |
ed1f651b | 1228 | whose names end in this suffix. */ |
ec32609a | 1229 | |
ea414c97 | 1230 | const char *spec; /* To use this compiler, run this spec. */ |
a9374841 MM |
1231 | |
1232 | const char *cpp_spec; /* If non-NULL, substitute this spec | |
1233 | for `%C', rather than the usual | |
1234 | cpp_spec. */ | |
1ea7e6ad | 1235 | const int combinable; /* If nonzero, compiler can deal with |
0855eab7 | 1236 | multiple source files at once (IMA). */ |
1ea7e6ad | 1237 | const int needs_preprocessing; /* If nonzero, source files need to |
0855eab7 | 1238 | be run through a preprocessor. */ |
ed1f651b RS |
1239 | }; |
1240 | ||
1241 | /* Pointer to a vector of `struct compiler' that gives the spec for | |
1242 | compiling a file, based on its suffix. | |
1243 | A file that does not end in any of these suffixes will be passed | |
1244 | unchanged to the loader and nothing else will be done to it. | |
1245 | ||
1246 | An entry containing two 0s is used to terminate the vector. | |
1247 | ||
1248 | If multiple entries match a file, the last matching one is used. */ | |
1249 | ||
1250 | static struct compiler *compilers; | |
1251 | ||
1252 | /* Number of entries in `compilers', not counting the null terminator. */ | |
1253 | ||
1254 | static int n_compilers; | |
1255 | ||
1256 | /* The default list of file name suffixes and their compilation specs. */ | |
1257 | ||
5e65297b | 1258 | static const struct compiler default_compilers[] = |
ed1f651b | 1259 | { |
4689ad58 | 1260 | /* Add lists of suffixes of known languages here. If those languages |
e9a25f70 JL |
1261 | were not present when we built the driver, we will hit these copies |
1262 | and be given a more meaningful error than "file not used since | |
4689ad58 | 1263 | linking is not done". */ |
0855eab7 | 1264 | {".m", "#Objective-C", 0, 0, 0}, {".mi", "#Objective-C", 0, 0, 0}, |
ad8c162b ZL |
1265 | {".mm", "#Objective-C++", 0, 0, 0}, {".M", "#Objective-C++", 0, 0, 0}, |
1266 | {".mii", "#Objective-C++", 0, 0, 0}, | |
7904f95f EC |
1267 | {".cc", "#C++", 0, 0, 0}, {".cxx", "#C++", 0, 0, 0}, |
1268 | {".cpp", "#C++", 0, 0, 0}, {".cp", "#C++", 0, 0, 0}, | |
0855eab7 CT |
1269 | {".c++", "#C++", 0, 0, 0}, {".C", "#C++", 0, 0, 0}, |
1270 | {".CPP", "#C++", 0, 0, 0}, {".ii", "#C++", 0, 0, 0}, | |
1271 | {".ads", "#Ada", 0, 0, 0}, {".adb", "#Ada", 0, 0, 0}, | |
3135ce84 FXC |
1272 | {".f", "#Fortran", 0, 0, 0}, {".F", "#Fortran", 0, 0, 0}, |
1273 | {".for", "#Fortran", 0, 0, 0}, {".FOR", "#Fortran", 0, 0, 0}, | |
1274 | {".ftn", "#Fortran", 0, 0, 0}, {".FTN", "#Fortran", 0, 0, 0}, | |
1275 | {".fpp", "#Fortran", 0, 0, 0}, {".FPP", "#Fortran", 0, 0, 0}, | |
1276 | {".f90", "#Fortran", 0, 0, 0}, {".F90", "#Fortran", 0, 0, 0}, | |
1277 | {".f95", "#Fortran", 0, 0, 0}, {".F95", "#Fortran", 0, 0, 0}, | |
1278 | {".f03", "#Fortran", 0, 0, 0}, {".F03", "#Fortran", 0, 0, 0}, | |
1279 | {".f08", "#Fortran", 0, 0, 0}, {".F08", "#Fortran", 0, 0, 0}, | |
0855eab7 CT |
1280 | {".r", "#Ratfor", 0, 0, 0}, |
1281 | {".p", "#Pascal", 0, 0, 0}, {".pas", "#Pascal", 0, 0, 0}, | |
1282 | {".java", "#Java", 0, 0, 0}, {".class", "#Java", 0, 0, 0}, | |
1283 | {".zip", "#Java", 0, 0, 0}, {".jar", "#Java", 0, 0, 0}, | |
7a938933 | 1284 | {".go", "#Go", 0, 1, 0}, |
4689ad58 | 1285 | /* Next come the entries for C. */ |
c3224d6f | 1286 | {".c", "@c", 0, 0, 1}, |
ed1f651b | 1287 | {"@c", |
5a8e2650 | 1288 | /* cc1 has an integrated ISO C preprocessor. We should invoke the |
f458d1d5 | 1289 | external preprocessor if -save-temps is given. */ |
f749a36b | 1290 | "%{E|M|MM:%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)}\ |
5a8e2650 | 1291 | %{!E:%{!M:%{!MM:\ |
3028a95c | 1292 | %{traditional:\ |
f458d1d5 | 1293 | %eGNU C no longer supports -traditional without -E}\ |
c3224d6f RG |
1294 | %{save-temps*|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \ |
1295 | %(cpp_options) -o %{save-temps*:%b.i} %{!save-temps*:%g.i} \n\ | |
1296 | cc1 -fpreprocessed %{save-temps*:%b.i} %{!save-temps*:%g.i} \ | |
1297 | %(cc1_options)}\ | |
1298 | %{!save-temps*:%{!traditional-cpp:%{!no-integrated-cpp:\ | |
1299 | cc1 %(cpp_unique_options) %(cc1_options)}}}\ | |
1300 | %{!fsyntax-only:%(invoke_as)}}}}", 0, 0, 1}, | |
ed1f651b | 1301 | {"-", |
6ba40dd7 | 1302 | "%{!E:%e-E or -x required when input is from standard input}\ |
0855eab7 CT |
1303 | %(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)", 0, 0, 0}, |
1304 | {".h", "@c-header", 0, 0, 0}, | |
ed1f651b | 1305 | {"@c-header", |
17211ab5 GK |
1306 | /* cc1 has an integrated ISO C preprocessor. We should invoke the |
1307 | external preprocessor if -save-temps is given. */ | |
1308 | "%{E|M|MM:%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)}\ | |
1309 | %{!E:%{!M:%{!MM:\ | |
14fdc613 MM |
1310 | %{save-temps*|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \ |
1311 | %(cpp_options) -o %{save-temps*:%b.i} %{!save-temps*:%g.i} \n\ | |
1312 | cc1 -fpreprocessed %{save-temps*:%b.i} %{!save-temps*:%g.i} \ | |
0de12fcc | 1313 | %(cc1_options)\ |
6935a923 PMR |
1314 | %{!fsyntax-only:-o %g.s \ |
1315 | %{!fdump-ada-spec*:%{!o*:--output-pch=%i.gch}\ | |
1316 | %W{o*:--output-pch=%*}}%V}}\ | |
14fdc613 | 1317 | %{!save-temps*:%{!traditional-cpp:%{!no-integrated-cpp:\ |
17211ab5 | 1318 | cc1 %(cpp_unique_options) %(cc1_options)\ |
6935a923 PMR |
1319 | %{!fsyntax-only:-o %g.s \ |
1320 | %{!fdump-ada-spec*:%{!o*:--output-pch=%i.gch}\ | |
1321 | %W{o*:--output-pch=%*}}%V}}}}}}}", 0, 0, 0}, | |
c3224d6f | 1322 | {".i", "@cpp-output", 0, 0, 0}, |
ed1f651b | 1323 | {"@cpp-output", |
ca3da783 | 1324 | "%{!M:%{!MM:%{!E:cc1 -fpreprocessed %i %(cc1_options) %{!fsyntax-only:%(invoke_as)}}}}", 0, 0, 0}, |
a0d43bac | 1325 | {".s", "@assembler", 0, 0, 0}, |
ed1f651b | 1326 | {"@assembler", |
a0d43bac JZ |
1327 | "%{!M:%{!MM:%{!E:%{!S:as %(asm_debug) %(asm_options) %i %A }}}}", 0, 0, 0}, |
1328 | {".sx", "@assembler-with-cpp", 0, 0, 0}, | |
1329 | {".S", "@assembler-with-cpp", 0, 0, 0}, | |
ed1f651b | 1330 | {"@assembler-with-cpp", |
4977bab6 | 1331 | #ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT |
2710d6d7 | 1332 | "%(trad_capable_cpp) -lang-asm %(cpp_options) -fno-directives-only\ |
8b968bd1 | 1333 | %{E|M|MM:%(cpp_debug_options)}\ |
4977bab6 ZW |
1334 | %{!M:%{!MM:%{!E:%{!S:-o %|.s |\n\ |
1335 | as %(asm_debug) %(asm_options) %|.s %A }}}}" | |
1336 | #else | |
2710d6d7 | 1337 | "%(trad_capable_cpp) -lang-asm %(cpp_options) -fno-directives-only\ |
4977bab6 ZW |
1338 | %{E|M|MM:%(cpp_debug_options)}\ |
1339 | %{!M:%{!MM:%{!E:%{!S:-o %|.s |\n\ | |
1340 | as %(asm_debug) %(asm_options) %m.s %A }}}}" | |
1341 | #endif | |
a0d43bac | 1342 | , 0, 0, 0}, |
1d088dee | 1343 | |
1346ae41 | 1344 | #include "specs.h" |
f9da5064 | 1345 | /* Mark end of table. */ |
0855eab7 | 1346 | {0, 0, 0, 0, 0} |
ed1f651b RS |
1347 | }; |
1348 | ||
1349 | /* Number of elements in default_compilers, not counting the terminator. */ | |
1350 | ||
ca7558fc | 1351 | static const int n_default_compilers = ARRAY_SIZE (default_compilers) - 1; |
ed1f651b | 1352 | |
69d540bd | 1353 | typedef char *char_p; /* For DEF_VEC_P. */ |
69d540bd | 1354 | |
ed1f651b | 1355 | /* A vector of options to give to the linker. |
368dfd3a | 1356 | These options are accumulated by %x, |
ed1f651b | 1357 | and substituted into the linker command with %X. */ |
9771b263 | 1358 | static vec<char_p> linker_options; |
c9ebacb8 RS |
1359 | |
1360 | /* A vector of options to give to the assembler. | |
1361 | These options are accumulated by -Wa, | |
57cb9b60 | 1362 | and substituted into the assembler command with %Y. */ |
9771b263 | 1363 | static vec<char_p> assembler_options; |
57cb9b60 JW |
1364 | |
1365 | /* A vector of options to give to the preprocessor. | |
1366 | These options are accumulated by -Wp, | |
1367 | and substituted into the preprocessor command with %Z. */ | |
9771b263 | 1368 | static vec<char_p> preprocessor_options; |
ed1f651b | 1369 | \f |
ed1f651b | 1370 | static char * |
1d088dee | 1371 | skip_whitespace (char *p) |
ed1f651b RS |
1372 | { |
1373 | while (1) | |
1374 | { | |
1375 | /* A fully-blank line is a delimiter in the SPEC file and shouldn't | |
1376 | be considered whitespace. */ | |
1377 | if (p[0] == '\n' && p[1] == '\n' && p[2] == '\n') | |
1378 | return p + 1; | |
1379 | else if (*p == '\n' || *p == ' ' || *p == '\t') | |
1380 | p++; | |
1381 | else if (*p == '#') | |
1382 | { | |
d25a45d4 KH |
1383 | while (*p != '\n') |
1384 | p++; | |
ed1f651b RS |
1385 | p++; |
1386 | } | |
1387 | else | |
1388 | break; | |
1389 | } | |
1390 | ||
1391 | return p; | |
1392 | } | |
2296d164 RK |
1393 | /* Structures to keep track of prefixes to try when looking for files. */ |
1394 | ||
1395 | struct prefix_list | |
1396 | { | |
8060c8ee | 1397 | const char *prefix; /* String to prepend to the path. */ |
2296d164 RK |
1398 | struct prefix_list *next; /* Next in linked list. */ |
1399 | int require_machine_suffix; /* Don't use without machine_suffix. */ | |
1400 | /* 2 means try both machine_suffix and just_machine_suffix. */ | |
5bbcd587 JJ |
1401 | int priority; /* Sort key - priority within list. */ |
1402 | int os_multilib; /* 1 if OS multilib scheme should be used, | |
1403 | 0 for GCC multilib scheme. */ | |
2296d164 RK |
1404 | }; |
1405 | ||
1406 | struct path_prefix | |
1407 | { | |
1408 | struct prefix_list *plist; /* List of prefixes to try */ | |
1409 | int max_len; /* Max length of a prefix in PLIST */ | |
1410 | const char *name; /* Name of this list (used in config stuff) */ | |
1411 | }; | |
1412 | ||
1413 | /* List of prefixes to try when looking for executables. */ | |
1414 | ||
1415 | static struct path_prefix exec_prefixes = { 0, 0, "exec" }; | |
1416 | ||
1417 | /* List of prefixes to try when looking for startup (crt0) files. */ | |
1418 | ||
1419 | static struct path_prefix startfile_prefixes = { 0, 0, "startfile" }; | |
1420 | ||
1421 | /* List of prefixes to try when looking for include files. */ | |
1422 | ||
1423 | static struct path_prefix include_prefixes = { 0, 0, "include" }; | |
1424 | ||
1425 | /* Suffix to attach to directories searched for commands. | |
1426 | This looks like `MACHINE/VERSION/'. */ | |
1427 | ||
1428 | static const char *machine_suffix = 0; | |
1429 | ||
1430 | /* Suffix to attach to directories searched for commands. | |
1431 | This is just `MACHINE/'. */ | |
1432 | ||
1433 | static const char *just_machine_suffix = 0; | |
1434 | ||
1435 | /* Adjusted value of GCC_EXEC_PREFIX envvar. */ | |
1436 | ||
1437 | static const char *gcc_exec_prefix; | |
1438 | ||
a8ee6e2d GK |
1439 | /* Adjusted value of standard_libexec_prefix. */ |
1440 | ||
1441 | static const char *gcc_libexec_prefix; | |
1442 | ||
2296d164 RK |
1443 | /* Default prefixes to attach to command names. */ |
1444 | ||
656c7a3a AL |
1445 | #ifndef STANDARD_STARTFILE_PREFIX_1 |
1446 | #define STANDARD_STARTFILE_PREFIX_1 "/lib/" | |
1447 | #endif | |
1448 | #ifndef STANDARD_STARTFILE_PREFIX_2 | |
1449 | #define STANDARD_STARTFILE_PREFIX_2 "/usr/lib/" | |
1450 | #endif | |
7904f95f | 1451 | |
2989d30c | 1452 | #ifdef CROSS_DIRECTORY_STRUCTURE /* Don't use these prefixes for a cross compiler. */ |
2296d164 RK |
1453 | #undef MD_EXEC_PREFIX |
1454 | #undef MD_STARTFILE_PREFIX | |
1455 | #undef MD_STARTFILE_PREFIX_1 | |
1456 | #endif | |
1457 | ||
1458 | /* If no prefixes defined, use the null string, which will disable them. */ | |
1459 | #ifndef MD_EXEC_PREFIX | |
1460 | #define MD_EXEC_PREFIX "" | |
1461 | #endif | |
1462 | #ifndef MD_STARTFILE_PREFIX | |
1463 | #define MD_STARTFILE_PREFIX "" | |
1464 | #endif | |
1465 | #ifndef MD_STARTFILE_PREFIX_1 | |
1466 | #define MD_STARTFILE_PREFIX_1 "" | |
1467 | #endif | |
1468 | ||
f4c0a303 CD |
1469 | /* These directories are locations set at configure-time based on the |
1470 | --prefix option provided to configure. Their initializers are | |
1471 | defined in Makefile.in. These paths are not *directly* used when | |
1472 | gcc_exec_prefix is set because, in that case, we know where the | |
1473 | compiler has been installed, and use paths relative to that | |
1474 | location instead. */ | |
27c38fbe | 1475 | static const char *const standard_exec_prefix = STANDARD_EXEC_PREFIX; |
f4c0a303 CD |
1476 | static const char *const standard_libexec_prefix = STANDARD_LIBEXEC_PREFIX; |
1477 | static const char *const standard_bindir_prefix = STANDARD_BINDIR_PREFIX; | |
1478 | static const char *const standard_startfile_prefix = STANDARD_STARTFILE_PREFIX; | |
1479 | ||
1480 | /* For native compilers, these are well-known paths containing | |
1481 | components that may be provided by the system. For cross | |
1482 | compilers, these paths are not used. */ | |
2296d164 | 1483 | static const char *md_exec_prefix = MD_EXEC_PREFIX; |
2296d164 RK |
1484 | static const char *md_startfile_prefix = MD_STARTFILE_PREFIX; |
1485 | static const char *md_startfile_prefix_1 = MD_STARTFILE_PREFIX_1; | |
c662432e | 1486 | static const char *const standard_startfile_prefix_1 |
656c7a3a AL |
1487 | = STANDARD_STARTFILE_PREFIX_1; |
1488 | static const char *const standard_startfile_prefix_2 | |
1489 | = STANDARD_STARTFILE_PREFIX_2; | |
2296d164 | 1490 | |
f4c0a303 CD |
1491 | /* A relative path to be used in finding the location of tools |
1492 | relative to the driver. */ | |
27c38fbe | 1493 | static const char *const tooldir_base_prefix = TOOLDIR_BASE_PREFIX; |
a8ee6e2d | 1494 | |
fc8b3540 IV |
1495 | /* A prefix to be used when this is an accelerator compiler. */ |
1496 | static const char *const accel_dir_suffix = ACCEL_DIR_SUFFIX; | |
1497 | ||
2296d164 RK |
1498 | /* Subdirectory to use for locating libraries. Set by |
1499 | set_multilib_dir based on the compilation options. */ | |
1500 | ||
1501 | static const char *multilib_dir; | |
5bbcd587 JJ |
1502 | |
1503 | /* Subdirectory to use for locating libraries in OS conventions. Set by | |
1504 | set_multilib_dir based on the compilation options. */ | |
1505 | ||
1506 | static const char *multilib_os_dir; | |
e0cdc09f MK |
1507 | |
1508 | /* Subdirectory to use for locating libraries in multiarch conventions. Set by | |
1509 | set_multilib_dir based on the compilation options. */ | |
1510 | ||
1511 | static const char *multiarch_dir; | |
ed1f651b | 1512 | \f |
0f41302f | 1513 | /* Structure to keep track of the specs that have been defined so far. |
3ce9f090 JM |
1514 | These are accessed using %(specname) in a compiler or link |
1515 | spec. */ | |
ed1f651b RS |
1516 | |
1517 | struct spec_list | |
1518 | { | |
79aff5ac MM |
1519 | /* The following 2 fields must be first */ |
1520 | /* to allow EXTRA_SPECS to be initialized */ | |
3b304f5b ZW |
1521 | const char *name; /* name of the spec. */ |
1522 | const char *ptr; /* available ptr if no static pointer */ | |
79aff5ac MM |
1523 | |
1524 | /* The following fields are not initialized */ | |
1525 | /* by EXTRA_SPECS */ | |
3b304f5b | 1526 | const char **ptr_spec; /* pointer to the spec itself. */ |
79aff5ac MM |
1527 | struct spec_list *next; /* Next spec in linked list. */ |
1528 | int name_len; /* length of the name */ | |
d168aaee CB |
1529 | bool user_p; /* whether string come from file spec. */ |
1530 | bool alloc_p; /* whether string was allocated */ | |
9376dd63 | 1531 | const char *default_ptr; /* The default value of *ptr_spec. */ |
ed1f651b RS |
1532 | }; |
1533 | ||
79aff5ac | 1534 | #define INIT_STATIC_SPEC(NAME,PTR) \ |
9376dd63 DM |
1535 | { NAME, NULL, PTR, (struct spec_list *) 0, sizeof (NAME) - 1, false, false, \ |
1536 | *PTR } | |
79aff5ac | 1537 | |
3ac63d94 NC |
1538 | /* List of statically defined specs. */ |
1539 | static struct spec_list static_specs[] = | |
1540 | { | |
79aff5ac | 1541 | INIT_STATIC_SPEC ("asm", &asm_spec), |
5f0e9ea2 | 1542 | INIT_STATIC_SPEC ("asm_debug", &asm_debug), |
79aff5ac | 1543 | INIT_STATIC_SPEC ("asm_final", &asm_final_spec), |
ea414c97 | 1544 | INIT_STATIC_SPEC ("asm_options", &asm_options), |
5a8e2650 | 1545 | INIT_STATIC_SPEC ("invoke_as", &invoke_as), |
79aff5ac | 1546 | INIT_STATIC_SPEC ("cpp", &cpp_spec), |
ea414c97 | 1547 | INIT_STATIC_SPEC ("cpp_options", &cpp_options), |
8b968bd1 | 1548 | INIT_STATIC_SPEC ("cpp_debug_options", &cpp_debug_options), |
ffdeea47 | 1549 | INIT_STATIC_SPEC ("cpp_unique_options", &cpp_unique_options), |
ea414c97 | 1550 | INIT_STATIC_SPEC ("trad_capable_cpp", &trad_capable_cpp), |
79aff5ac | 1551 | INIT_STATIC_SPEC ("cc1", &cc1_spec), |
ea414c97 | 1552 | INIT_STATIC_SPEC ("cc1_options", &cc1_options), |
79aff5ac | 1553 | INIT_STATIC_SPEC ("cc1plus", &cc1plus_spec), |
bbd7687d | 1554 | INIT_STATIC_SPEC ("link_gcc_c_sequence", &link_gcc_c_sequence_spec), |
77008252 | 1555 | INIT_STATIC_SPEC ("link_ssp", &link_ssp_spec), |
79aff5ac MM |
1556 | INIT_STATIC_SPEC ("endfile", &endfile_spec), |
1557 | INIT_STATIC_SPEC ("link", &link_spec), | |
1558 | INIT_STATIC_SPEC ("lib", &lib_spec), | |
953ff289 | 1559 | INIT_STATIC_SPEC ("link_gomp", &link_gomp_spec), |
79aff5ac MM |
1560 | INIT_STATIC_SPEC ("libgcc", &libgcc_spec), |
1561 | INIT_STATIC_SPEC ("startfile", &startfile_spec), | |
79aff5ac MM |
1562 | INIT_STATIC_SPEC ("cross_compile", &cross_compile), |
1563 | INIT_STATIC_SPEC ("version", &compiler_version), | |
1564 | INIT_STATIC_SPEC ("multilib", &multilib_select), | |
1565 | INIT_STATIC_SPEC ("multilib_defaults", &multilib_defaults), | |
1566 | INIT_STATIC_SPEC ("multilib_extra", &multilib_extra), | |
1567 | INIT_STATIC_SPEC ("multilib_matches", &multilib_matches), | |
0a8d6618 | 1568 | INIT_STATIC_SPEC ("multilib_exclusions", &multilib_exclusions), |
5bbcd587 | 1569 | INIT_STATIC_SPEC ("multilib_options", &multilib_options), |
e7f49d92 | 1570 | INIT_STATIC_SPEC ("multilib_reuse", &multilib_reuse), |
10da1131 | 1571 | INIT_STATIC_SPEC ("linker", &linker_name_spec), |
d7f09764 DN |
1572 | INIT_STATIC_SPEC ("linker_plugin_file", &linker_plugin_file_spec), |
1573 | INIT_STATIC_SPEC ("lto_wrapper", <o_wrapper_spec), | |
1574 | INIT_STATIC_SPEC ("lto_gcc", <o_gcc_spec), | |
ea414c97 | 1575 | INIT_STATIC_SPEC ("link_libgcc", &link_libgcc_spec), |
2296d164 RK |
1576 | INIT_STATIC_SPEC ("md_exec_prefix", &md_exec_prefix), |
1577 | INIT_STATIC_SPEC ("md_startfile_prefix", &md_startfile_prefix), | |
1578 | INIT_STATIC_SPEC ("md_startfile_prefix_1", &md_startfile_prefix_1), | |
343f59d9 | 1579 | INIT_STATIC_SPEC ("startfile_prefix_spec", &startfile_prefix_spec), |
380e5ca4 | 1580 | INIT_STATIC_SPEC ("sysroot_spec", &sysroot_spec), |
e7f13528 GP |
1581 | INIT_STATIC_SPEC ("sysroot_suffix_spec", &sysroot_suffix_spec), |
1582 | INIT_STATIC_SPEC ("sysroot_hdrs_suffix_spec", &sysroot_hdrs_suffix_spec), | |
84f405a1 | 1583 | INIT_STATIC_SPEC ("self_spec", &self_spec), |
79aff5ac MM |
1584 | }; |
1585 | ||
1586 | #ifdef EXTRA_SPECS /* additional specs needed */ | |
829245be | 1587 | /* Structure to keep track of just the first two args of a spec_list. |
3ac63d94 | 1588 | That is all that the EXTRA_SPECS macro gives us. */ |
829245be KG |
1589 | struct spec_list_1 |
1590 | { | |
8b60264b KG |
1591 | const char *const name; |
1592 | const char *const ptr; | |
829245be KG |
1593 | }; |
1594 | ||
8b60264b | 1595 | static const struct spec_list_1 extra_specs_1[] = { EXTRA_SPECS }; |
d25a45d4 | 1596 | static struct spec_list *extra_specs = (struct spec_list *) 0; |
79aff5ac MM |
1597 | #endif |
1598 | ||
1599 | /* List of dynamically allocates specs that have been defined so far. */ | |
1600 | ||
9218435e | 1601 | static struct spec_list *specs = (struct spec_list *) 0; |
79aff5ac | 1602 | \f |
f3226a90 JT |
1603 | /* List of static spec functions. */ |
1604 | ||
1605 | static const struct spec_function static_spec_functions[] = | |
1606 | { | |
30d8946b | 1607 | { "getenv", getenv_spec_function }, |
f3226a90 | 1608 | { "if-exists", if_exists_spec_function }, |
152a5a9c | 1609 | { "if-exists-else", if_exists_else_spec_function }, |
de5a5fa1 | 1610 | { "sanitize", sanitize_spec_function }, |
3dd53121 | 1611 | { "replace-outfile", replace_outfile_spec_function }, |
2642f659 | 1612 | { "remove-outfile", remove_outfile_spec_function }, |
ed5b9f96 | 1613 | { "version-compare", version_compare_spec_function }, |
953ff289 | 1614 | { "include", include_spec_function }, |
4adbd5dd | 1615 | { "find-file", find_file_spec_function }, |
c1ce46a5 | 1616 | { "find-plugindir", find_plugindir_spec_function }, |
a0f87454 | 1617 | { "print-asm-header", print_asm_header_spec_function }, |
2153915d AO |
1618 | { "compare-debug-dump-opt", compare_debug_dump_opt_spec_function }, |
1619 | { "compare-debug-self-opt", compare_debug_self_opt_spec_function }, | |
1620 | { "compare-debug-auxbase-opt", compare_debug_auxbase_opt_spec_function }, | |
9a37bc07 | 1621 | { "pass-through-libs", pass_through_libs_spec_func }, |
99ea153e | 1622 | { "replace-extension", replace_extension_spec_func }, |
cf7416c3 | 1623 | { "gt", greater_than_spec_func }, |
fa959ce4 MM |
1624 | #ifdef EXTRA_SPEC_FUNCTIONS |
1625 | EXTRA_SPEC_FUNCTIONS | |
1626 | #endif | |
f3226a90 JT |
1627 | { 0, 0 } |
1628 | }; | |
1629 | ||
1630 | static int processing_spec_function; | |
1631 | \f | |
049f6ec9 MM |
1632 | /* Add appropriate libgcc specs to OBSTACK, taking into account |
1633 | various permutations of -shared-libgcc, -shared, and such. */ | |
1634 | ||
328163dc | 1635 | #if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC) |
8efcd34f AM |
1636 | |
1637 | #ifndef USE_LD_AS_NEEDED | |
1638 | #define USE_LD_AS_NEEDED 0 | |
1639 | #endif | |
1640 | ||
049f6ec9 | 1641 | static void |
1d088dee AJ |
1642 | init_gcc_specs (struct obstack *obstack, const char *shared_name, |
1643 | const char *static_name, const char *eh_name) | |
049f6ec9 | 1644 | { |
5c181756 AO |
1645 | char *buf; |
1646 | ||
5e4f1974 AM |
1647 | buf = concat ("%{static|static-libgcc:", static_name, " ", eh_name, "}" |
1648 | "%{!static:%{!static-libgcc:" | |
8efcd34f | 1649 | #if USE_LD_AS_NEEDED |
5e4f1974 | 1650 | "%{!shared-libgcc:", |
e927b6ad RO |
1651 | static_name, " " LD_AS_NEEDED_OPTION " ", |
1652 | shared_name, " " LD_NO_AS_NEEDED_OPTION | |
5e4f1974 AM |
1653 | "}" |
1654 | "%{shared-libgcc:", | |
1655 | shared_name, "%{!shared: ", static_name, "}" | |
1656 | "}" | |
765f1bf9 | 1657 | #else |
5e4f1974 AM |
1658 | "%{!shared:" |
1659 | "%{!shared-libgcc:", static_name, " ", eh_name, "}" | |
1660 | "%{shared-libgcc:", shared_name, " ", static_name, "}" | |
1661 | "}" | |
275b60d6 | 1662 | #ifdef LINK_EH_SPEC |
5e4f1974 AM |
1663 | "%{shared:" |
1664 | "%{shared-libgcc:", shared_name, "}" | |
1665 | "%{!shared-libgcc:", static_name, "}" | |
1666 | "}" | |
275b60d6 | 1667 | #else |
5e4f1974 | 1668 | "%{shared:", shared_name, "}" |
765f1bf9 | 1669 | #endif |
275b60d6 | 1670 | #endif |
5e4f1974 | 1671 | "}}", NULL); |
5c181756 AO |
1672 | |
1673 | obstack_grow (obstack, buf, strlen (buf)); | |
1674 | free (buf); | |
049f6ec9 | 1675 | } |
6894579f | 1676 | #endif /* ENABLE_SHARED_LIBGCC */ |
049f6ec9 | 1677 | |
79aff5ac MM |
1678 | /* Initialize the specs lookup routines. */ |
1679 | ||
1680 | static void | |
7e51717c | 1681 | init_spec (void) |
79aff5ac | 1682 | { |
9218435e KH |
1683 | struct spec_list *next = (struct spec_list *) 0; |
1684 | struct spec_list *sl = (struct spec_list *) 0; | |
79aff5ac MM |
1685 | int i; |
1686 | ||
1687 | if (specs) | |
3ac63d94 | 1688 | return; /* Already initialized. */ |
79aff5ac | 1689 | |
20df0482 | 1690 | if (verbose_flag) |
2dec80c7 | 1691 | fnotice (stderr, "Using built-in specs.\n"); |
20df0482 | 1692 | |
79aff5ac | 1693 | #ifdef EXTRA_SPECS |
e1e4cdc4 | 1694 | extra_specs = XCNEWVEC (struct spec_list, ARRAY_SIZE (extra_specs_1)); |
9218435e | 1695 | |
b6a1cbae | 1696 | for (i = ARRAY_SIZE (extra_specs_1) - 1; i >= 0; i--) |
03fc1620 JW |
1697 | { |
1698 | sl = &extra_specs[i]; | |
829245be KG |
1699 | sl->name = extra_specs_1[i].name; |
1700 | sl->ptr = extra_specs_1[i].ptr; | |
03fc1620 JW |
1701 | sl->next = next; |
1702 | sl->name_len = strlen (sl->name); | |
1703 | sl->ptr_spec = &sl->ptr; | |
9376dd63 DM |
1704 | gcc_assert (sl->ptr_spec != NULL); |
1705 | sl->default_ptr = sl->ptr; | |
03fc1620 JW |
1706 | next = sl; |
1707 | } | |
79aff5ac MM |
1708 | #endif |
1709 | ||
b6a1cbae | 1710 | for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--) |
79aff5ac MM |
1711 | { |
1712 | sl = &static_specs[i]; | |
1713 | sl->next = next; | |
1714 | next = sl; | |
1715 | } | |
1716 | ||
328163dc | 1717 | #if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC) |
9db0819e RH |
1718 | /* ??? If neither -shared-libgcc nor --static-libgcc was |
1719 | seen, then we should be making an educated guess. Some proposed | |
1720 | heuristics for ELF include: | |
1721 | ||
1722 | (1) If "-Wl,--export-dynamic", then it's a fair bet that the | |
1723 | program will be doing dynamic loading, which will likely | |
1724 | need the shared libgcc. | |
1725 | ||
1726 | (2) If "-ldl", then it's also a fair bet that we're doing | |
1727 | dynamic loading. | |
1728 | ||
1729 | (3) For each ET_DYN we're linking against (either through -lfoo | |
1730 | or /some/path/foo.so), check to see whether it or one of | |
ff7cc307 | 1731 | its dependencies depends on a shared libgcc. |
9db0819e RH |
1732 | |
1733 | (4) If "-shared" | |
1734 | ||
1735 | If the runtime is fixed to look for program headers instead | |
1736 | of calling __register_frame_info at all, for each object, | |
1737 | use the shared libgcc if any EH symbol referenced. | |
1738 | ||
1739 | If crtstuff is fixed to not invoke __register_frame_info | |
1740 | automatically, for each object, use the shared libgcc if | |
1741 | any non-empty unwind section found. | |
1742 | ||
1743 | Doing any of this probably requires invoking an external program to | |
1744 | do the actual object file scanning. */ | |
1745 | { | |
1746 | const char *p = libgcc_spec; | |
1747 | int in_sep = 1; | |
589005ff | 1748 | |
16757495 | 1749 | /* Transform the extant libgcc_spec into one that uses the shared libgcc |
9db0819e RH |
1750 | when given the proper command line arguments. */ |
1751 | while (*p) | |
1752 | { | |
589005ff | 1753 | if (in_sep && *p == '-' && strncmp (p, "-lgcc", 5) == 0) |
9db0819e | 1754 | { |
049f6ec9 | 1755 | init_gcc_specs (&obstack, |
049f6ec9 | 1756 | "-lgcc_s" |
443728bb L |
1757 | #ifdef USE_LIBUNWIND_EXCEPTIONS |
1758 | " -lunwind" | |
4977bab6 | 1759 | #endif |
348d71c7 JW |
1760 | , |
1761 | "-lgcc", | |
1762 | "-lgcc_eh" | |
4977bab6 | 1763 | #ifdef USE_LIBUNWIND_EXCEPTIONS |
7e9d8517 | 1764 | # ifdef HAVE_LD_STATIC_DYNAMIC |
c6092243 RO |
1765 | " %{!static:" LD_STATIC_OPTION "} -lunwind" |
1766 | " %{!static:" LD_DYNAMIC_OPTION "}" | |
7e9d8517 | 1767 | # else |
4977bab6 | 1768 | " -lunwind" |
7e9d8517 | 1769 | # endif |
9db0819e | 1770 | #endif |
348d71c7 JW |
1771 | ); |
1772 | ||
ba2b7435 | 1773 | p += 5; |
9db0819e RH |
1774 | in_sep = 0; |
1775 | } | |
ba2b7435 | 1776 | else if (in_sep && *p == 'l' && strncmp (p, "libgcc.a%s", 10) == 0) |
9db0819e RH |
1777 | { |
1778 | /* Ug. We don't know shared library extensions. Hope that | |
1779 | systems that use this form don't do shared libraries. */ | |
049f6ec9 | 1780 | init_gcc_specs (&obstack, |
4e8d0554 | 1781 | "-lgcc_s", |
275b60d6 | 1782 | "libgcc.a%s", |
aedec8dd JW |
1783 | "libgcc_eh.a%s" |
1784 | #ifdef USE_LIBUNWIND_EXCEPTIONS | |
1785 | " -lunwind" | |
1786 | #endif | |
1787 | ); | |
ba2b7435 | 1788 | p += 10; |
9db0819e RH |
1789 | in_sep = 0; |
1790 | } | |
1791 | else | |
1792 | { | |
1793 | obstack_1grow (&obstack, *p); | |
1794 | in_sep = (*p == ' '); | |
1795 | p += 1; | |
1796 | } | |
1797 | } | |
1798 | ||
1799 | obstack_1grow (&obstack, '\0'); | |
7973fd2a | 1800 | libgcc_spec = XOBFINISH (&obstack, const char *); |
9db0819e RH |
1801 | } |
1802 | #endif | |
c64688ae RH |
1803 | #ifdef USE_AS_TRADITIONAL_FORMAT |
1804 | /* Prepend "--traditional-format" to whatever asm_spec we had before. */ | |
1805 | { | |
8b60264b | 1806 | static const char tf[] = "--traditional-format "; |
c3284718 | 1807 | obstack_grow (&obstack, tf, sizeof (tf) - 1); |
c64688ae | 1808 | obstack_grow0 (&obstack, asm_spec, strlen (asm_spec)); |
7973fd2a | 1809 | asm_spec = XOBFINISH (&obstack, const char *); |
c64688ae RH |
1810 | } |
1811 | #endif | |
cd533689 | 1812 | |
79bec923 ST |
1813 | #if defined LINK_EH_SPEC || defined LINK_BUILDID_SPEC || \ |
1814 | defined LINKER_HASH_STYLE | |
cd533689 PP |
1815 | # ifdef LINK_BUILDID_SPEC |
1816 | /* Prepend LINK_BUILDID_SPEC to whatever link_spec we had before. */ | |
c3284718 | 1817 | obstack_grow (&obstack, LINK_BUILDID_SPEC, sizeof (LINK_BUILDID_SPEC) - 1); |
cd533689 PP |
1818 | # endif |
1819 | # ifdef LINK_EH_SPEC | |
275b60d6 | 1820 | /* Prepend LINK_EH_SPEC to whatever link_spec we had before. */ |
c3284718 | 1821 | obstack_grow (&obstack, LINK_EH_SPEC, sizeof (LINK_EH_SPEC) - 1); |
79bec923 ST |
1822 | # endif |
1823 | # ifdef LINKER_HASH_STYLE | |
1824 | /* Prepend --hash-style=LINKER_HASH_STYLE to whatever link_spec we had | |
1825 | before. */ | |
1826 | { | |
1827 | static const char hash_style[] = "--hash-style="; | |
c3284718 RS |
1828 | obstack_grow (&obstack, hash_style, sizeof (hash_style) - 1); |
1829 | obstack_grow (&obstack, LINKER_HASH_STYLE, sizeof (LINKER_HASH_STYLE) - 1); | |
79bec923 ST |
1830 | obstack_1grow (&obstack, ' '); |
1831 | } | |
cd533689 | 1832 | # endif |
275b60d6 | 1833 | obstack_grow0 (&obstack, link_spec, strlen (link_spec)); |
7973fd2a | 1834 | link_spec = XOBFINISH (&obstack, const char *); |
275b60d6 | 1835 | #endif |
9db0819e | 1836 | |
79aff5ac MM |
1837 | specs = sl; |
1838 | } | |
ed1f651b RS |
1839 | \f |
1840 | /* Change the value of spec NAME to SPEC. If SPEC is empty, then the spec is | |
1841 | removed; If the spec starts with a + then SPEC is added to the end of the | |
0f41302f | 1842 | current spec. */ |
ed1f651b RS |
1843 | |
1844 | static void | |
d168aaee | 1845 | set_spec (const char *name, const char *spec, bool user_p) |
ed1f651b RS |
1846 | { |
1847 | struct spec_list *sl; | |
3b304f5b | 1848 | const char *old_spec; |
79aff5ac MM |
1849 | int name_len = strlen (name); |
1850 | int i; | |
1851 | ||
3ac63d94 | 1852 | /* If this is the first call, initialize the statically allocated specs. */ |
20df0482 MM |
1853 | if (!specs) |
1854 | { | |
9218435e | 1855 | struct spec_list *next = (struct spec_list *) 0; |
b6a1cbae | 1856 | for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--) |
20df0482 MM |
1857 | { |
1858 | sl = &static_specs[i]; | |
1859 | sl->next = next; | |
1860 | next = sl; | |
1861 | } | |
1862 | specs = sl; | |
1863 | } | |
1864 | ||
3ac63d94 | 1865 | /* See if the spec already exists. */ |
ed1f651b | 1866 | for (sl = specs; sl; sl = sl->next) |
79aff5ac | 1867 | if (name_len == sl->name_len && !strcmp (sl->name, name)) |
ed1f651b RS |
1868 | break; |
1869 | ||
1870 | if (!sl) | |
1871 | { | |
3ac63d94 | 1872 | /* Not found - make it. */ |
5ed6ace5 | 1873 | sl = XNEW (struct spec_list); |
ad85216e | 1874 | sl->name = xstrdup (name); |
79aff5ac MM |
1875 | sl->name_len = name_len; |
1876 | sl->ptr_spec = &sl->ptr; | |
1877 | sl->alloc_p = 0; | |
1878 | *(sl->ptr_spec) = ""; | |
ed1f651b | 1879 | sl->next = specs; |
9376dd63 | 1880 | sl->default_ptr = NULL; |
ed1f651b RS |
1881 | specs = sl; |
1882 | } | |
1883 | ||
79aff5ac | 1884 | old_spec = *(sl->ptr_spec); |
e51712db | 1885 | *(sl->ptr_spec) = ((spec[0] == '+' && ISSPACE ((unsigned char)spec[1])) |
d4f2852f | 1886 | ? concat (old_spec, spec + 1, NULL) |
ad85216e | 1887 | : xstrdup (spec)); |
841faeed | 1888 | |
20df0482 MM |
1889 | #ifdef DEBUG_SPECS |
1890 | if (verbose_flag) | |
2dec80c7 | 1891 | fnotice (stderr, "Setting spec %s to '%s'\n\n", name, *(sl->ptr_spec)); |
20df0482 MM |
1892 | #endif |
1893 | ||
3ac63d94 | 1894 | /* Free the old spec. */ |
79aff5ac | 1895 | if (old_spec && sl->alloc_p) |
c3284718 | 1896 | free (CONST_CAST (char *, old_spec)); |
79aff5ac | 1897 | |
d168aaee CB |
1898 | sl->user_p = user_p; |
1899 | sl->alloc_p = true; | |
ed1f651b RS |
1900 | } |
1901 | \f | |
1902 | /* Accumulate a command (program name and args), and run it. */ | |
1903 | ||
5b634ee0 | 1904 | typedef const char *const_char_p; /* For DEF_VEC_P. */ |
ed1f651b | 1905 | |
5b634ee0 | 1906 | /* Vector of pointers to arguments in the current line of specifications. */ |
ed1f651b | 1907 | |
9771b263 | 1908 | static vec<const_char_p> argbuf; |
ed1f651b | 1909 | |
1b5bc8e9 | 1910 | /* Were the options -c, -S or -E passed. */ |
af41c57d AP |
1911 | static int have_c = 0; |
1912 | ||
1913 | /* Was the option -o passed. */ | |
1914 | static int have_o = 0; | |
1915 | ||
3d00119c AB |
1916 | /* Pointer to output file name passed in with -o. */ |
1917 | static const char *output_file = 0; | |
1918 | ||
49009afd JL |
1919 | /* This is the list of suffixes and codes (%g/%u/%U/%j) and the associated |
1920 | temp file. If the HOST_BIT_BUCKET is used for %j, no entry is made for | |
1921 | it here. */ | |
fb266030 TW |
1922 | |
1923 | static struct temp_name { | |
878f32c3 | 1924 | const char *suffix; /* suffix associated with the code. */ |
fb266030 TW |
1925 | int length; /* strlen (suffix). */ |
1926 | int unique; /* Indicates whether %g or %u/%U was used. */ | |
878f32c3 | 1927 | const char *filename; /* associated filename. */ |
fb266030 TW |
1928 | int filename_length; /* strlen (filename). */ |
1929 | struct temp_name *next; | |
1930 | } *temp_names; | |
39d45901 | 1931 | |
ed1f651b RS |
1932 | /* Number of commands executed so far. */ |
1933 | ||
1934 | static int execution_count; | |
1935 | ||
3b9b4d3f RS |
1936 | /* Number of commands that exited with a signal. */ |
1937 | ||
1938 | static int signal_count; | |
ed1f651b | 1939 | \f |
f3226a90 JT |
1940 | /* Allocate the argument vector. */ |
1941 | ||
1942 | static void | |
7e51717c | 1943 | alloc_args (void) |
f3226a90 | 1944 | { |
9771b263 | 1945 | argbuf.create (10); |
f3226a90 JT |
1946 | } |
1947 | ||
ed1f651b RS |
1948 | /* Clear out the vector of arguments (after a command is executed). */ |
1949 | ||
1950 | static void | |
1d088dee | 1951 | clear_args (void) |
ed1f651b | 1952 | { |
9771b263 | 1953 | argbuf.truncate (0); |
ed1f651b RS |
1954 | } |
1955 | ||
1956 | /* Add one argument to the vector at the end. | |
1957 | This is done when a space is seen or at the end of the line. | |
1958 | If DELETE_ALWAYS is nonzero, the arg is a filename | |
1959 | and the file should be deleted eventually. | |
1960 | If DELETE_FAILURE is nonzero, the arg is a filename | |
1961 | and the file should be deleted if this compilation fails. */ | |
1962 | ||
1963 | static void | |
1d088dee | 1964 | store_arg (const char *arg, int delete_always, int delete_failure) |
ed1f651b | 1965 | { |
9771b263 | 1966 | argbuf.safe_push (arg); |
ed1f651b RS |
1967 | |
1968 | if (delete_always || delete_failure) | |
d6205185 RG |
1969 | { |
1970 | const char *p; | |
1971 | /* If the temporary file we should delete is specified as | |
1972 | part of a joined argument extract the filename. */ | |
1973 | if (arg[0] == '-' | |
1974 | && (p = strrchr (arg, '='))) | |
1975 | arg = p + 1; | |
1976 | record_temp_file (arg, delete_always, delete_failure); | |
1977 | } | |
ed1f651b RS |
1978 | } |
1979 | \f | |
ff7cc307 | 1980 | /* Load specs from a file name named FILENAME, replacing occurrences of |
9218435e | 1981 | various different types of line-endings, \r\n, \n\r and just \r, with |
b633b6c0 | 1982 | a single \n. */ |
20df0482 | 1983 | |
d25a45d4 | 1984 | static char * |
1d088dee | 1985 | load_specs (const char *filename) |
20df0482 MM |
1986 | { |
1987 | int desc; | |
1988 | int readlen; | |
1989 | struct stat statbuf; | |
1990 | char *buffer; | |
b633b6c0 MK |
1991 | char *buffer_p; |
1992 | char *specs; | |
1993 | char *specs_p; | |
20df0482 MM |
1994 | |
1995 | if (verbose_flag) | |
2dec80c7 | 1996 | fnotice (stderr, "Reading specs from %s\n", filename); |
20df0482 MM |
1997 | |
1998 | /* Open and stat the file. */ | |
1999 | desc = open (filename, O_RDONLY, 0); | |
2000 | if (desc < 0) | |
2001 | pfatal_with_name (filename); | |
2002 | if (stat (filename, &statbuf) < 0) | |
2003 | pfatal_with_name (filename); | |
2004 | ||
2005 | /* Read contents of file into BUFFER. */ | |
5ed6ace5 | 2006 | buffer = XNEWVEC (char, statbuf.st_size + 1); |
20df0482 MM |
2007 | readlen = read (desc, buffer, (unsigned) statbuf.st_size); |
2008 | if (readlen < 0) | |
2009 | pfatal_with_name (filename); | |
2010 | buffer[readlen] = 0; | |
2011 | close (desc); | |
2012 | ||
5ed6ace5 | 2013 | specs = XNEWVEC (char, readlen + 1); |
b633b6c0 MK |
2014 | specs_p = specs; |
2015 | for (buffer_p = buffer; buffer_p && *buffer_p; buffer_p++) | |
2016 | { | |
2017 | int skip = 0; | |
2018 | char c = *buffer_p; | |
2019 | if (c == '\r') | |
d25a45d4 KH |
2020 | { |
2021 | if (buffer_p > buffer && *(buffer_p - 1) == '\n') /* \n\r */ | |
b633b6c0 | 2022 | skip = 1; |
d25a45d4 | 2023 | else if (*(buffer_p + 1) == '\n') /* \r\n */ |
b633b6c0 MK |
2024 | skip = 1; |
2025 | else /* \r */ | |
2026 | c = '\n'; | |
2027 | } | |
2028 | if (! skip) | |
2029 | *specs_p++ = c; | |
2030 | } | |
2031 | *specs_p = '\0'; | |
2032 | ||
2033 | free (buffer); | |
2034 | return (specs); | |
2035 | } | |
2036 | ||
2037 | /* Read compilation specs from a file named FILENAME, | |
2038 | replacing the default ones. | |
2039 | ||
2040 | A suffix which starts with `*' is a definition for | |
2041 | one of the machine-specific sub-specs. The "suffix" should be | |
0fef3fd0 | 2042 | *asm, *cc1, *cpp, *link, *startfile, etc. |
b633b6c0 MK |
2043 | The corresponding spec is stored in asm_spec, etc., |
2044 | rather than in the `compilers' vector. | |
2045 | ||
2046 | Anything invalid in the file is a fatal error. */ | |
2047 | ||
2048 | static void | |
d168aaee | 2049 | read_specs (const char *filename, bool main_p, bool user_p) |
b633b6c0 MK |
2050 | { |
2051 | char *buffer; | |
b3694847 | 2052 | char *p; |
b633b6c0 MK |
2053 | |
2054 | buffer = load_specs (filename); | |
2055 | ||
20df0482 MM |
2056 | /* Scan BUFFER for specs, putting them in the vector. */ |
2057 | p = buffer; | |
2058 | while (1) | |
2059 | { | |
2060 | char *suffix; | |
2061 | char *spec; | |
2062 | char *in, *out, *p1, *p2, *p3; | |
2063 | ||
2064 | /* Advance P in BUFFER to the next nonblank nocomment line. */ | |
2065 | p = skip_whitespace (p); | |
2066 | if (*p == 0) | |
2067 | break; | |
2068 | ||
2069 | /* Is this a special command that starts with '%'? */ | |
2070 | /* Don't allow this for the main specs file, since it would | |
2071 | encourage people to overwrite it. */ | |
2072 | if (*p == '%' && !main_p) | |
2073 | { | |
2074 | p1 = p; | |
e9a25f70 JL |
2075 | while (*p && *p != '\n') |
2076 | p++; | |
2077 | ||
d25a45d4 KH |
2078 | /* Skip '\n'. */ |
2079 | p++; | |
20df0482 | 2080 | |
d25a45d4 | 2081 | if (!strncmp (p1, "%include", sizeof ("%include") - 1) |
e9a25f70 JL |
2082 | && (p1[sizeof "%include" - 1] == ' ' |
2083 | || p1[sizeof "%include" - 1] == '\t')) | |
20df0482 MM |
2084 | { |
2085 | char *new_filename; | |
2086 | ||
2087 | p1 += sizeof ("%include"); | |
e9a25f70 JL |
2088 | while (*p1 == ' ' || *p1 == '\t') |
2089 | p1++; | |
20df0482 MM |
2090 | |
2091 | if (*p1++ != '<' || p[-2] != '>') | |
40fecdd6 JM |
2092 | fatal_error (input_location, |
2093 | "specs %%include syntax malformed after " | |
2dec80c7 JM |
2094 | "%ld characters", |
2095 | (long) (p1 - buffer + 1)); | |
20df0482 MM |
2096 | |
2097 | p[-2] = '\0'; | |
00dcee0c | 2098 | new_filename = find_a_file (&startfile_prefixes, p1, R_OK, true); |
d168aaee | 2099 | read_specs (new_filename ? new_filename : p1, false, user_p); |
20df0482 MM |
2100 | continue; |
2101 | } | |
e9a25f70 JL |
2102 | else if (!strncmp (p1, "%include_noerr", sizeof "%include_noerr" - 1) |
2103 | && (p1[sizeof "%include_noerr" - 1] == ' ' | |
2104 | || p1[sizeof "%include_noerr" - 1] == '\t')) | |
20df0482 MM |
2105 | { |
2106 | char *new_filename; | |
2107 | ||
e9a25f70 | 2108 | p1 += sizeof "%include_noerr"; |
d25a45d4 KH |
2109 | while (*p1 == ' ' || *p1 == '\t') |
2110 | p1++; | |
20df0482 MM |
2111 | |
2112 | if (*p1++ != '<' || p[-2] != '>') | |
40fecdd6 JM |
2113 | fatal_error (input_location, |
2114 | "specs %%include syntax malformed after " | |
2dec80c7 JM |
2115 | "%ld characters", |
2116 | (long) (p1 - buffer + 1)); | |
20df0482 MM |
2117 | |
2118 | p[-2] = '\0'; | |
00dcee0c | 2119 | new_filename = find_a_file (&startfile_prefixes, p1, R_OK, true); |
20df0482 | 2120 | if (new_filename) |
d168aaee | 2121 | read_specs (new_filename, false, user_p); |
20df0482 | 2122 | else if (verbose_flag) |
2dec80c7 | 2123 | fnotice (stderr, "could not find specs file %s\n", p1); |
20df0482 MM |
2124 | continue; |
2125 | } | |
e9a25f70 JL |
2126 | else if (!strncmp (p1, "%rename", sizeof "%rename" - 1) |
2127 | && (p1[sizeof "%rename" - 1] == ' ' | |
2128 | || p1[sizeof "%rename" - 1] == '\t')) | |
20df0482 MM |
2129 | { |
2130 | int name_len; | |
2131 | struct spec_list *sl; | |
169ce44d | 2132 | struct spec_list *newsl; |
20df0482 | 2133 | |
169ce44d | 2134 | /* Get original name. */ |
e9a25f70 JL |
2135 | p1 += sizeof "%rename"; |
2136 | while (*p1 == ' ' || *p1 == '\t') | |
2137 | p1++; | |
2138 | ||
9218435e | 2139 | if (! ISALPHA ((unsigned char) *p1)) |
40fecdd6 JM |
2140 | fatal_error (input_location, |
2141 | "specs %%rename syntax malformed after " | |
2dec80c7 JM |
2142 | "%ld characters", |
2143 | (long) (p1 - buffer)); | |
20df0482 MM |
2144 | |
2145 | p2 = p1; | |
9218435e | 2146 | while (*p2 && !ISSPACE ((unsigned char) *p2)) |
e9a25f70 JL |
2147 | p2++; |
2148 | ||
20df0482 | 2149 | if (*p2 != ' ' && *p2 != '\t') |
40fecdd6 JM |
2150 | fatal_error (input_location, |
2151 | "specs %%rename syntax malformed after " | |
2dec80c7 JM |
2152 | "%ld characters", |
2153 | (long) (p2 - buffer)); | |
20df0482 MM |
2154 | |
2155 | name_len = p2 - p1; | |
2156 | *p2++ = '\0'; | |
e9a25f70 JL |
2157 | while (*p2 == ' ' || *p2 == '\t') |
2158 | p2++; | |
2159 | ||
9218435e | 2160 | if (! ISALPHA ((unsigned char) *p2)) |
40fecdd6 JM |
2161 | fatal_error (input_location, |
2162 | "specs %%rename syntax malformed after " | |
2dec80c7 JM |
2163 | "%ld characters", |
2164 | (long) (p2 - buffer)); | |
20df0482 | 2165 | |
d25a45d4 | 2166 | /* Get new spec name. */ |
20df0482 | 2167 | p3 = p2; |
9218435e | 2168 | while (*p3 && !ISSPACE ((unsigned char) *p3)) |
e9a25f70 JL |
2169 | p3++; |
2170 | ||
d25a45d4 | 2171 | if (p3 != p - 1) |
40fecdd6 JM |
2172 | fatal_error (input_location, |
2173 | "specs %%rename syntax malformed after " | |
2dec80c7 JM |
2174 | "%ld characters", |
2175 | (long) (p3 - buffer)); | |
20df0482 MM |
2176 | *p3 = '\0'; |
2177 | ||
2178 | for (sl = specs; sl; sl = sl->next) | |
2179 | if (name_len == sl->name_len && !strcmp (sl->name, p1)) | |
2180 | break; | |
2181 | ||
2182 | if (!sl) | |
40fecdd6 JM |
2183 | fatal_error (input_location, |
2184 | "specs %s spec was not found to be renamed", p1); | |
20df0482 | 2185 | |
e9a25f70 | 2186 | if (strcmp (p1, p2) == 0) |
20df0482 MM |
2187 | continue; |
2188 | ||
169ce44d NC |
2189 | for (newsl = specs; newsl; newsl = newsl->next) |
2190 | if (strcmp (newsl->name, p2) == 0) | |
40fecdd6 JM |
2191 | fatal_error (input_location, |
2192 | "%s: attempt to rename spec %qs to " | |
bdc6b402 | 2193 | "already defined spec %qs", |
169ce44d NC |
2194 | filename, p1, p2); |
2195 | ||
20df0482 MM |
2196 | if (verbose_flag) |
2197 | { | |
2dec80c7 | 2198 | fnotice (stderr, "rename spec %s to %s\n", p1, p2); |
20df0482 | 2199 | #ifdef DEBUG_SPECS |
2dec80c7 | 2200 | fnotice (stderr, "spec is '%s'\n\n", *(sl->ptr_spec)); |
20df0482 MM |
2201 | #endif |
2202 | } | |
2203 | ||
d168aaee | 2204 | set_spec (p2, *(sl->ptr_spec), user_p); |
20df0482 | 2205 | if (sl->alloc_p) |
b1d5455a | 2206 | free (CONST_CAST (char *, *(sl->ptr_spec))); |
20df0482 MM |
2207 | |
2208 | *(sl->ptr_spec) = ""; | |
2209 | sl->alloc_p = 0; | |
2210 | continue; | |
2211 | } | |
2212 | else | |
40fecdd6 JM |
2213 | fatal_error (input_location, |
2214 | "specs unknown %% command after %ld characters", | |
2dec80c7 | 2215 | (long) (p1 - buffer)); |
20df0482 MM |
2216 | } |
2217 | ||
2218 | /* Find the colon that should end the suffix. */ | |
2219 | p1 = p; | |
e9a25f70 JL |
2220 | while (*p1 && *p1 != ':' && *p1 != '\n') |
2221 | p1++; | |
2222 | ||
20df0482 MM |
2223 | /* The colon shouldn't be missing. */ |
2224 | if (*p1 != ':') | |
40fecdd6 JM |
2225 | fatal_error (input_location, |
2226 | "specs file malformed after %ld characters", | |
2dec80c7 | 2227 | (long) (p1 - buffer)); |
e9a25f70 | 2228 | |
20df0482 MM |
2229 | /* Skip back over trailing whitespace. */ |
2230 | p2 = p1; | |
e9a25f70 JL |
2231 | while (p2 > buffer && (p2[-1] == ' ' || p2[-1] == '\t')) |
2232 | p2--; | |
2233 | ||
20df0482 MM |
2234 | /* Copy the suffix to a string. */ |
2235 | suffix = save_string (p, p2 - p); | |
2236 | /* Find the next line. */ | |
2237 | p = skip_whitespace (p1 + 1); | |
2238 | if (p[1] == 0) | |
40fecdd6 JM |
2239 | fatal_error (input_location, |
2240 | "specs file malformed after %ld characters", | |
2dec80c7 | 2241 | (long) (p - buffer)); |
e9a25f70 | 2242 | |
20df0482 | 2243 | p1 = p; |
bbeb7b65 JW |
2244 | /* Find next blank line or end of string. */ |
2245 | while (*p1 && !(*p1 == '\n' && (p1[1] == '\n' || p1[1] == '\0'))) | |
e9a25f70 JL |
2246 | p1++; |
2247 | ||
20df0482 MM |
2248 | /* Specs end at the blank line and do not include the newline. */ |
2249 | spec = save_string (p, p1 - p); | |
2250 | p = p1; | |
2251 | ||
2252 | /* Delete backslash-newline sequences from the spec. */ | |
2253 | in = spec; | |
2254 | out = spec; | |
2255 | while (*in != 0) | |
2256 | { | |
2257 | if (in[0] == '\\' && in[1] == '\n') | |
2258 | in += 2; | |
2259 | else if (in[0] == '#') | |
e9a25f70 JL |
2260 | while (*in && *in != '\n') |
2261 | in++; | |
2262 | ||
20df0482 MM |
2263 | else |
2264 | *out++ = *in++; | |
2265 | } | |
2266 | *out = 0; | |
2267 | ||
2268 | if (suffix[0] == '*') | |
2269 | { | |
2270 | if (! strcmp (suffix, "*link_command")) | |
2271 | link_command_spec = spec; | |
2272 | else | |
9376dd63 DM |
2273 | { |
2274 | set_spec (suffix + 1, spec, user_p); | |
2275 | free (spec); | |
2276 | } | |
20df0482 MM |
2277 | } |
2278 | else | |
2279 | { | |
2280 | /* Add this pair to the vector. */ | |
2281 | compilers | |
e1e4cdc4 | 2282 | = XRESIZEVEC (struct compiler, compilers, n_compilers + 2); |
e9a25f70 | 2283 | |
20df0482 | 2284 | compilers[n_compilers].suffix = suffix; |
ea414c97 | 2285 | compilers[n_compilers].spec = spec; |
20df0482 | 2286 | n_compilers++; |
9257393c | 2287 | memset (&compilers[n_compilers], 0, sizeof compilers[n_compilers]); |
20df0482 MM |
2288 | } |
2289 | ||
2290 | if (*suffix == 0) | |
2291 | link_command_spec = spec; | |
2292 | } | |
2293 | ||
2294 | if (link_command_spec == 0) | |
40fecdd6 | 2295 | fatal_error (input_location, "spec file has no spec for linking"); |
9376dd63 DM |
2296 | |
2297 | XDELETEVEC (buffer); | |
20df0482 MM |
2298 | } |
2299 | \f | |
ed1f651b RS |
2300 | /* Record the names of temporary files we tell compilers to write, |
2301 | and delete them at the end of the run. */ | |
2302 | ||
aa34f42c RG |
2303 | /* This is the common prefix we use to make temp file names. |
2304 | It is chosen once for each run of this program. | |
2305 | It is substituted into a spec by %g or %j. | |
2306 | Thus, all temp file names contain this prefix. | |
2307 | In practice, all temp file names start with this prefix. | |
2308 | ||
2309 | This prefix comes from the envvar TMPDIR if it is defined; | |
2310 | otherwise, from the P_tmpdir macro if that is defined; | |
2311 | otherwise, in /usr/tmp or /tmp; | |
2312 | or finally the current directory if all else fails. */ | |
2313 | ||
2314 | static const char *temp_filename; | |
2315 | ||
2316 | /* Length of the prefix. */ | |
2317 | ||
2318 | static int temp_filename_length; | |
2319 | ||
ed1f651b RS |
2320 | /* Define the list of temporary files to delete. */ |
2321 | ||
2322 | struct temp_file | |
2323 | { | |
878f32c3 | 2324 | const char *name; |
ed1f651b RS |
2325 | struct temp_file *next; |
2326 | }; | |
2327 | ||
2328 | /* Queue of files to delete on success or failure of compilation. */ | |
2329 | static struct temp_file *always_delete_queue; | |
2330 | /* Queue of files to delete on failure of compilation. */ | |
2331 | static struct temp_file *failure_delete_queue; | |
2332 | ||
2333 | /* Record FILENAME as a file to be deleted automatically. | |
2334 | ALWAYS_DELETE nonzero means delete it if all compilation succeeds; | |
2335 | otherwise delete it in any case. | |
2336 | FAIL_DELETE nonzero means delete it if a compilation step fails; | |
2337 | otherwise delete it in any case. */ | |
2338 | ||
d991c721 | 2339 | void |
1d088dee | 2340 | record_temp_file (const char *filename, int always_delete, int fail_delete) |
ed1f651b | 2341 | { |
b3694847 | 2342 | char *const name = xstrdup (filename); |
ed1f651b RS |
2343 | |
2344 | if (always_delete) | |
2345 | { | |
b3694847 | 2346 | struct temp_file *temp; |
ed1f651b | 2347 | for (temp = always_delete_queue; temp; temp = temp->next) |
ba78087b | 2348 | if (! filename_cmp (name, temp->name)) |
af121e82 ML |
2349 | { |
2350 | free (name); | |
2351 | goto already1; | |
2352 | } | |
e9a25f70 | 2353 | |
5ed6ace5 | 2354 | temp = XNEW (struct temp_file); |
ed1f651b RS |
2355 | temp->next = always_delete_queue; |
2356 | temp->name = name; | |
2357 | always_delete_queue = temp; | |
e9a25f70 | 2358 | |
ed1f651b RS |
2359 | already1:; |
2360 | } | |
2361 | ||
2362 | if (fail_delete) | |
2363 | { | |
b3694847 | 2364 | struct temp_file *temp; |
ed1f651b | 2365 | for (temp = failure_delete_queue; temp; temp = temp->next) |
ba78087b | 2366 | if (! filename_cmp (name, temp->name)) |
fc429b48 TB |
2367 | { |
2368 | free (name); | |
2369 | goto already2; | |
2370 | } | |
e9a25f70 | 2371 | |
5ed6ace5 | 2372 | temp = XNEW (struct temp_file); |
ed1f651b RS |
2373 | temp->next = failure_delete_queue; |
2374 | temp->name = name; | |
2375 | failure_delete_queue = temp; | |
e9a25f70 | 2376 | |
ed1f651b RS |
2377 | already2:; |
2378 | } | |
2379 | } | |
2380 | ||
2381 | /* Delete all the temporary files whose names we previously recorded. */ | |
2382 | ||
8fd58397 DR |
2383 | #ifndef DELETE_IF_ORDINARY |
2384 | #define DELETE_IF_ORDINARY(NAME,ST,VERBOSE_FLAG) \ | |
2385 | do \ | |
2386 | { \ | |
2387 | if (stat (NAME, &ST) >= 0 && S_ISREG (ST.st_mode)) \ | |
2388 | if (unlink (NAME) < 0) \ | |
2389 | if (VERBOSE_FLAG) \ | |
2390 | perror_with_name (NAME); \ | |
2391 | } while (0) | |
2392 | #endif | |
2393 | ||
d5ea2ac4 | 2394 | static void |
1d088dee | 2395 | delete_if_ordinary (const char *name) |
d5ea2ac4 RK |
2396 | { |
2397 | struct stat st; | |
2398 | #ifdef DEBUG | |
2399 | int i, c; | |
2400 | ||
2401 | printf ("Delete %s? (y or n) ", name); | |
2402 | fflush (stdout); | |
2403 | i = getchar (); | |
2404 | if (i != '\n') | |
e9a25f70 JL |
2405 | while ((c = getchar ()) != '\n' && c != EOF) |
2406 | ; | |
2407 | ||
d5ea2ac4 RK |
2408 | if (i == 'y' || i == 'Y') |
2409 | #endif /* DEBUG */ | |
8fd58397 | 2410 | DELETE_IF_ORDINARY (name, st, verbose_flag); |
d5ea2ac4 RK |
2411 | } |
2412 | ||
ed1f651b | 2413 | static void |
1d088dee | 2414 | delete_temp_files (void) |
ed1f651b | 2415 | { |
b3694847 | 2416 | struct temp_file *temp; |
ed1f651b RS |
2417 | |
2418 | for (temp = always_delete_queue; temp; temp = temp->next) | |
d5ea2ac4 | 2419 | delete_if_ordinary (temp->name); |
ed1f651b RS |
2420 | always_delete_queue = 0; |
2421 | } | |
2422 | ||
2423 | /* Delete all the files to be deleted on error. */ | |
2424 | ||
2425 | static void | |
1d088dee | 2426 | delete_failure_queue (void) |
ed1f651b | 2427 | { |
b3694847 | 2428 | struct temp_file *temp; |
ed1f651b RS |
2429 | |
2430 | for (temp = failure_delete_queue; temp; temp = temp->next) | |
d5ea2ac4 | 2431 | delete_if_ordinary (temp->name); |
ed1f651b RS |
2432 | } |
2433 | ||
2434 | static void | |
1d088dee | 2435 | clear_failure_queue (void) |
ed1f651b RS |
2436 | { |
2437 | failure_delete_queue = 0; | |
2438 | } | |
b3865ca9 | 2439 | \f |
00dcee0c AM |
2440 | /* Call CALLBACK for each path in PATHS, breaking out early if CALLBACK |
2441 | returns non-NULL. | |
2442 | If DO_MULTI is true iterate over the paths twice, first with multilib | |
2443 | suffix then without, otherwise iterate over the paths once without | |
2444 | adding a multilib suffix. When DO_MULTI is true, some attempt is made | |
2445 | to avoid visiting the same path twice, but we could do better. For | |
2446 | instance, /usr/lib/../lib is considered different from /usr/lib. | |
2447 | At least EXTRA_SPACE chars past the end of the path passed to | |
2448 | CALLBACK are available for use by the callback. | |
2449 | CALLBACK_INFO allows extra parameters to be passed to CALLBACK. | |
2450 | ||
2451 | Returns the value returned by CALLBACK. */ | |
2452 | ||
2453 | static void * | |
2454 | for_each_path (const struct path_prefix *paths, | |
2455 | bool do_multi, | |
2456 | size_t extra_space, | |
2457 | void *(*callback) (char *, void *), | |
2458 | void *callback_info) | |
b3865ca9 | 2459 | { |
00dcee0c AM |
2460 | struct prefix_list *pl; |
2461 | const char *multi_dir = NULL; | |
2462 | const char *multi_os_dir = NULL; | |
e0cdc09f | 2463 | const char *multiarch_suffix = NULL; |
00dcee0c AM |
2464 | const char *multi_suffix; |
2465 | const char *just_multi_suffix; | |
2466 | char *path = NULL; | |
2467 | void *ret = NULL; | |
2468 | bool skip_multi_dir = false; | |
2469 | bool skip_multi_os_dir = false; | |
2470 | ||
2471 | multi_suffix = machine_suffix; | |
2472 | just_multi_suffix = just_machine_suffix; | |
2473 | if (do_multi && multilib_dir && strcmp (multilib_dir, ".") != 0) | |
b3865ca9 | 2474 | { |
00dcee0c AM |
2475 | multi_dir = concat (multilib_dir, dir_separator_str, NULL); |
2476 | multi_suffix = concat (multi_suffix, multi_dir, NULL); | |
2477 | just_multi_suffix = concat (just_multi_suffix, multi_dir, NULL); | |
2478 | } | |
2479 | if (do_multi && multilib_os_dir && strcmp (multilib_os_dir, ".") != 0) | |
2480 | multi_os_dir = concat (multilib_os_dir, dir_separator_str, NULL); | |
e0cdc09f MK |
2481 | if (multiarch_dir) |
2482 | multiarch_suffix = concat (multiarch_dir, dir_separator_str, NULL); | |
b3865ca9 | 2483 | |
00dcee0c AM |
2484 | while (1) |
2485 | { | |
2486 | size_t multi_dir_len = 0; | |
2487 | size_t multi_os_dir_len = 0; | |
e0cdc09f | 2488 | size_t multiarch_len = 0; |
00dcee0c AM |
2489 | size_t suffix_len; |
2490 | size_t just_suffix_len; | |
2491 | size_t len; | |
2492 | ||
2493 | if (multi_dir) | |
2494 | multi_dir_len = strlen (multi_dir); | |
2495 | if (multi_os_dir) | |
2496 | multi_os_dir_len = strlen (multi_os_dir); | |
e0cdc09f MK |
2497 | if (multiarch_suffix) |
2498 | multiarch_len = strlen (multiarch_suffix); | |
00dcee0c AM |
2499 | suffix_len = strlen (multi_suffix); |
2500 | just_suffix_len = strlen (just_multi_suffix); | |
2501 | ||
2502 | if (path == NULL) | |
b3865ca9 | 2503 | { |
00dcee0c | 2504 | len = paths->max_len + extra_space + 1; |
e0cdc09f | 2505 | len += MAX (MAX (suffix_len, multi_os_dir_len), multiarch_len); |
5ed6ace5 | 2506 | path = XNEWVEC (char, len); |
b3865ca9 RS |
2507 | } |
2508 | ||
00dcee0c | 2509 | for (pl = paths->plist; pl != 0; pl = pl->next) |
ae04227b | 2510 | { |
00dcee0c AM |
2511 | len = strlen (pl->prefix); |
2512 | memcpy (path, pl->prefix, len); | |
9218435e | 2513 | |
00dcee0c AM |
2514 | /* Look first in MACHINE/VERSION subdirectory. */ |
2515 | if (!skip_multi_dir) | |
2516 | { | |
2517 | memcpy (path + len, multi_suffix, suffix_len + 1); | |
2518 | ret = callback (path, callback_info); | |
2519 | if (ret) | |
2520 | break; | |
2521 | } | |
2522 | ||
2523 | /* Some paths are tried with just the machine (ie. target) | |
2524 | subdir. This is used for finding as, ld, etc. */ | |
2525 | if (!skip_multi_dir | |
2526 | && pl->require_machine_suffix == 2) | |
2527 | { | |
2528 | memcpy (path + len, just_multi_suffix, just_suffix_len + 1); | |
2529 | ret = callback (path, callback_info); | |
2530 | if (ret) | |
2531 | break; | |
2532 | } | |
2533 | ||
e0cdc09f MK |
2534 | /* Now try the multiarch path. */ |
2535 | if (!skip_multi_dir | |
2536 | && !pl->require_machine_suffix && multiarch_dir) | |
2537 | { | |
2538 | memcpy (path + len, multiarch_suffix, multiarch_len + 1); | |
2539 | ret = callback (path, callback_info); | |
2540 | if (ret) | |
2541 | break; | |
2542 | } | |
2543 | ||
00dcee0c AM |
2544 | /* Now try the base path. */ |
2545 | if (!pl->require_machine_suffix | |
2546 | && !(pl->os_multilib ? skip_multi_os_dir : skip_multi_dir)) | |
2547 | { | |
2548 | const char *this_multi; | |
2549 | size_t this_multi_len; | |
2550 | ||
2551 | if (pl->os_multilib) | |
2552 | { | |
2553 | this_multi = multi_os_dir; | |
2554 | this_multi_len = multi_os_dir_len; | |
2555 | } | |
2556 | else | |
2557 | { | |
2558 | this_multi = multi_dir; | |
2559 | this_multi_len = multi_dir_len; | |
2560 | } | |
2561 | ||
2562 | if (this_multi_len) | |
2563 | memcpy (path + len, this_multi, this_multi_len + 1); | |
2564 | else | |
2565 | path[len] = '\0'; | |
2566 | ||
2567 | ret = callback (path, callback_info); | |
2568 | if (ret) | |
2569 | break; | |
2570 | } | |
ae04227b | 2571 | } |
00dcee0c AM |
2572 | if (pl) |
2573 | break; | |
ae04227b | 2574 | |
00dcee0c AM |
2575 | if (multi_dir == NULL && multi_os_dir == NULL) |
2576 | break; | |
b3865ca9 | 2577 | |
00dcee0c AM |
2578 | /* Run through the paths again, this time without multilibs. |
2579 | Don't repeat any we have already seen. */ | |
2580 | if (multi_dir) | |
2581 | { | |
b1d5455a | 2582 | free (CONST_CAST (char *, multi_dir)); |
00dcee0c | 2583 | multi_dir = NULL; |
b1d5455a | 2584 | free (CONST_CAST (char *, multi_suffix)); |
00dcee0c | 2585 | multi_suffix = machine_suffix; |
b1d5455a | 2586 | free (CONST_CAST (char *, just_multi_suffix)); |
00dcee0c | 2587 | just_multi_suffix = just_machine_suffix; |
b3865ca9 | 2588 | } |
00dcee0c AM |
2589 | else |
2590 | skip_multi_dir = true; | |
2591 | if (multi_os_dir) | |
2592 | { | |
b1d5455a | 2593 | free (CONST_CAST (char *, multi_os_dir)); |
00dcee0c AM |
2594 | multi_os_dir = NULL; |
2595 | } | |
2596 | else | |
2597 | skip_multi_os_dir = true; | |
2598 | } | |
2599 | ||
2600 | if (multi_dir) | |
2601 | { | |
b1d5455a KG |
2602 | free (CONST_CAST (char *, multi_dir)); |
2603 | free (CONST_CAST (char *, multi_suffix)); | |
2604 | free (CONST_CAST (char *, just_multi_suffix)); | |
b3865ca9 | 2605 | } |
00dcee0c | 2606 | if (multi_os_dir) |
b1d5455a | 2607 | free (CONST_CAST (char *, multi_os_dir)); |
00dcee0c AM |
2608 | if (ret != path) |
2609 | free (path); | |
2610 | return ret; | |
2611 | } | |
2612 | ||
2613 | /* Callback for build_search_list. Adds path to obstack being built. */ | |
2614 | ||
2615 | struct add_to_obstack_info { | |
2616 | struct obstack *ob; | |
2617 | bool check_dir; | |
2618 | bool first_time; | |
2619 | }; | |
2620 | ||
2621 | static void * | |
2622 | add_to_obstack (char *path, void *data) | |
2623 | { | |
e1e4cdc4 | 2624 | struct add_to_obstack_info *info = (struct add_to_obstack_info *) data; |
00dcee0c AM |
2625 | |
2626 | if (info->check_dir && !is_directory (path, false)) | |
2627 | return NULL; | |
2628 | ||
2629 | if (!info->first_time) | |
2630 | obstack_1grow (info->ob, PATH_SEPARATOR); | |
2631 | ||
2632 | obstack_grow (info->ob, path, strlen (path)); | |
2633 | ||
2634 | info->first_time = false; | |
2635 | return NULL; | |
2636 | } | |
2637 | ||
47d33318 FXC |
2638 | /* Add or change the value of an environment variable, outputting the |
2639 | change to standard error if in verbose mode. */ | |
2640 | static void | |
e9c15f6e | 2641 | xputenv (const char *string) |
47d33318 | 2642 | { |
9376dd63 | 2643 | env.xput (string); |
47d33318 FXC |
2644 | } |
2645 | ||
00dcee0c AM |
2646 | /* Build a list of search directories from PATHS. |
2647 | PREFIX is a string to prepend to the list. | |
2648 | If CHECK_DIR_P is true we ensure the directory exists. | |
2649 | If DO_MULTI is true, multilib paths are output first, then | |
2650 | non-multilib paths. | |
2651 | This is used mostly by putenv_from_prefixes so we use `collect_obstack'. | |
2652 | It is also used by the --print-search-dirs flag. */ | |
2653 | ||
2654 | static char * | |
2655 | build_search_list (const struct path_prefix *paths, const char *prefix, | |
2656 | bool check_dir, bool do_multi) | |
2657 | { | |
2658 | struct add_to_obstack_info info; | |
2659 | ||
2660 | info.ob = &collect_obstack; | |
2661 | info.check_dir = check_dir; | |
2662 | info.first_time = true; | |
2663 | ||
2664 | obstack_grow (&collect_obstack, prefix, strlen (prefix)); | |
2665 | obstack_1grow (&collect_obstack, '='); | |
2666 | ||
2667 | for_each_path (paths, do_multi, 0, add_to_obstack, &info); | |
e9a25f70 | 2668 | |
3ae7de4e | 2669 | obstack_1grow (&collect_obstack, '\0'); |
7973fd2a | 2670 | return XOBFINISH (&collect_obstack, char *); |
b3865ca9 RS |
2671 | } |
2672 | ||
0f41302f MS |
2673 | /* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables |
2674 | for collect. */ | |
2628b9d3 DE |
2675 | |
2676 | static void | |
00dcee0c AM |
2677 | putenv_from_prefixes (const struct path_prefix *paths, const char *env_var, |
2678 | bool do_multi) | |
2628b9d3 | 2679 | { |
47d33318 | 2680 | xputenv (build_search_list (paths, env_var, true, do_multi)); |
2628b9d3 | 2681 | } |
ed1f651b | 2682 | \f |
ca606201 ILT |
2683 | /* Check whether NAME can be accessed in MODE. This is like access, |
2684 | except that it never considers directories to be executable. */ | |
2685 | ||
2686 | static int | |
1d088dee | 2687 | access_check (const char *name, int mode) |
ca606201 ILT |
2688 | { |
2689 | if (mode == X_OK) | |
2690 | { | |
2691 | struct stat st; | |
2692 | ||
2693 | if (stat (name, &st) < 0 | |
2694 | || S_ISDIR (st.st_mode)) | |
2695 | return -1; | |
2696 | } | |
2697 | ||
2698 | return access (name, mode); | |
2699 | } | |
2700 | ||
00dcee0c AM |
2701 | /* Callback for find_a_file. Appends the file name to the directory |
2702 | path. If the resulting file exists in the right mode, return the | |
2703 | full pathname to the file. */ | |
2704 | ||
2705 | struct file_at_path_info { | |
2706 | const char *name; | |
2707 | const char *suffix; | |
2708 | int name_len; | |
2709 | int suffix_len; | |
2710 | int mode; | |
2711 | }; | |
2712 | ||
2713 | static void * | |
2714 | file_at_path (char *path, void *data) | |
2715 | { | |
e1e4cdc4 | 2716 | struct file_at_path_info *info = (struct file_at_path_info *) data; |
00dcee0c AM |
2717 | size_t len = strlen (path); |
2718 | ||
2719 | memcpy (path + len, info->name, info->name_len); | |
2720 | len += info->name_len; | |
2721 | ||
2722 | /* Some systems have a suffix for executable files. | |
2723 | So try appending that first. */ | |
2724 | if (info->suffix_len) | |
2725 | { | |
2726 | memcpy (path + len, info->suffix, info->suffix_len + 1); | |
2727 | if (access_check (path, info->mode) == 0) | |
2728 | return path; | |
2729 | } | |
2730 | ||
2731 | path[len] = '\0'; | |
2732 | if (access_check (path, info->mode) == 0) | |
2733 | return path; | |
2734 | ||
2735 | return NULL; | |
2736 | } | |
2737 | ||
ed1f651b | 2738 | /* Search for NAME using the prefix list PREFIXES. MODE is passed to |
00dcee0c AM |
2739 | access to check permissions. If DO_MULTI is true, search multilib |
2740 | paths then non-multilib paths, otherwise do not search multilib paths. | |
0f41302f | 2741 | Return 0 if not found, otherwise return its name, allocated with malloc. */ |
ed1f651b RS |
2742 | |
2743 | static char * | |
00dcee0c AM |
2744 | find_a_file (const struct path_prefix *pprefix, const char *name, int mode, |
2745 | bool do_multi) | |
ed1f651b | 2746 | { |
00dcee0c | 2747 | struct file_at_path_info info; |
ed1f651b | 2748 | |
ab339d62 | 2749 | #ifdef DEFAULT_ASSEMBLER |
c5c0b3d9 | 2750 | if (! strcmp (name, "as") && access (DEFAULT_ASSEMBLER, mode) == 0) |
ad85216e | 2751 | return xstrdup (DEFAULT_ASSEMBLER); |
ab339d62 AO |
2752 | #endif |
2753 | ||
2754 | #ifdef DEFAULT_LINKER | |
c3284718 | 2755 | if (! strcmp (name, "ld") && access (DEFAULT_LINKER, mode) == 0) |
ad85216e | 2756 | return xstrdup (DEFAULT_LINKER); |
ab339d62 AO |
2757 | #endif |
2758 | ||
ed1f651b RS |
2759 | /* Determine the filename to execute (special case for absolute paths). */ |
2760 | ||
3dce1408 | 2761 | if (IS_ABSOLUTE_PATH (name)) |
ed1f651b | 2762 | { |
ab339d62 | 2763 | if (access (name, mode) == 0) |
00dcee0c | 2764 | return xstrdup (name); |
460dcab4 | 2765 | |
00dcee0c AM |
2766 | return NULL; |
2767 | } | |
460dcab4 | 2768 | |
00dcee0c AM |
2769 | info.name = name; |
2770 | info.suffix = (mode & X_OK) != 0 ? HOST_EXECUTABLE_SUFFIX : ""; | |
2771 | info.name_len = strlen (info.name); | |
2772 | info.suffix_len = strlen (info.suffix); | |
2773 | info.mode = mode; | |
ed1f651b | 2774 | |
e1e4cdc4 KG |
2775 | return (char*) for_each_path (pprefix, do_multi, |
2776 | info.name_len + info.suffix_len, | |
2777 | file_at_path, &info); | |
ed1f651b RS |
2778 | } |
2779 | ||
922a4beb | 2780 | /* Ranking of prefixes in the sort list. -B prefixes are put before |
9218435e | 2781 | all others. */ |
922a4beb AC |
2782 | |
2783 | enum path_prefix_priority | |
2784 | { | |
2785 | PREFIX_PRIORITY_B_OPT, | |
2786 | PREFIX_PRIORITY_LAST | |
2787 | }; | |
2788 | ||
fbe5a4a6 | 2789 | /* Add an entry for PREFIX in PLIST. The PLIST is kept in ascending |
922a4beb AC |
2790 | order according to PRIORITY. Within each PRIORITY, new entries are |
2791 | appended. | |
ed1f651b RS |
2792 | |
2793 | If WARN is nonzero, we will warn if no file is found | |
2794 | through this prefix. WARN should point to an int | |
ae04227b CH |
2795 | which will be set to 1 if this entry is used. |
2796 | ||
e9a25f70 JL |
2797 | COMPONENT is the value to be passed to update_path. |
2798 | ||
ae04227b CH |
2799 | REQUIRE_MACHINE_SUFFIX is 1 if this prefix can't be used without |
2800 | the complete value of machine_suffix. | |
2801 | 2 means try both machine_suffix and just_machine_suffix. */ | |
ed1f651b RS |
2802 | |
2803 | static void | |
1d088dee AJ |
2804 | add_prefix (struct path_prefix *pprefix, const char *prefix, |
2805 | const char *component, /* enum prefix_priority */ int priority, | |
1a5d37a1 | 2806 | int require_machine_suffix, int os_multilib) |
ed1f651b RS |
2807 | { |
2808 | struct prefix_list *pl, **prev; | |
2809 | int len; | |
2810 | ||
922a4beb AC |
2811 | for (prev = &pprefix->plist; |
2812 | (*prev) != NULL && (*prev)->priority <= priority; | |
2813 | prev = &(*prev)->next) | |
2814 | ; | |
ed1f651b | 2815 | |
f9da5064 | 2816 | /* Keep track of the longest prefix. */ |
ed1f651b | 2817 | |
e9a25f70 | 2818 | prefix = update_path (prefix, component); |
ed1f651b RS |
2819 | len = strlen (prefix); |
2820 | if (len > pprefix->max_len) | |
2821 | pprefix->max_len = len; | |
2822 | ||
5ed6ace5 | 2823 | pl = XNEW (struct prefix_list); |
51c04256 | 2824 | pl->prefix = prefix; |
ed1f651b | 2825 | pl->require_machine_suffix = require_machine_suffix; |
922a4beb | 2826 | pl->priority = priority; |
5bbcd587 | 2827 | pl->os_multilib = os_multilib; |
ed1f651b | 2828 | |
f9da5064 | 2829 | /* Insert after PREV. */ |
922a4beb AC |
2830 | pl->next = (*prev); |
2831 | (*prev) = pl; | |
ed1f651b | 2832 | } |
4977bab6 ZW |
2833 | |
2834 | /* Same as add_prefix, but prepending target_system_root to prefix. */ | |
f4c0a303 | 2835 | /* The target_system_root prefix has been relocated by gcc_exec_prefix. */ |
4977bab6 | 2836 | static void |
1d088dee AJ |
2837 | add_sysrooted_prefix (struct path_prefix *pprefix, const char *prefix, |
2838 | const char *component, | |
2839 | /* enum prefix_priority */ int priority, | |
1a5d37a1 | 2840 | int require_machine_suffix, int os_multilib) |
4977bab6 | 2841 | { |
3dce1408 | 2842 | if (!IS_ABSOLUTE_PATH (prefix)) |
40fecdd6 | 2843 | fatal_error (input_location, "system path %qs is not absolute", prefix); |
4977bab6 ZW |
2844 | |
2845 | if (target_system_root) | |
2846 | { | |
2fda54bd MK |
2847 | char *sysroot_no_trailing_dir_separator = xstrdup (target_system_root); |
2848 | size_t sysroot_len = strlen (target_system_root); | |
2849 | ||
2850 | if (sysroot_len > 0 | |
2851 | && target_system_root[sysroot_len - 1] == DIR_SEPARATOR) | |
2852 | sysroot_no_trailing_dir_separator[sysroot_len - 1] = '\0'; | |
2853 | ||
e7f13528 | 2854 | if (target_sysroot_suffix) |
fc429b48 TB |
2855 | prefix = concat (sysroot_no_trailing_dir_separator, |
2856 | target_sysroot_suffix, prefix, NULL); | |
2857 | else | |
2858 | prefix = concat (sysroot_no_trailing_dir_separator, prefix, NULL); | |
2859 | ||
2fda54bd | 2860 | free (sysroot_no_trailing_dir_separator); |
e7f13528 | 2861 | |
4977bab6 ZW |
2862 | /* We have to override this because GCC's notion of sysroot |
2863 | moves along with GCC. */ | |
2864 | component = "GCC"; | |
2865 | } | |
2866 | ||
2867 | add_prefix (pprefix, prefix, component, priority, | |
1a5d37a1 | 2868 | require_machine_suffix, os_multilib); |
4977bab6 | 2869 | } |
ed1f651b RS |
2870 | \f |
2871 | /* Execute the command specified by the arguments on the current line of spec. | |
2872 | When using pipes, this includes several piped-together commands | |
2873 | with `|' between them. | |
2874 | ||
2875 | Return 0 if successful, -1 if failed. */ | |
2876 | ||
2877 | static int | |
1d088dee | 2878 | execute (void) |
ed1f651b RS |
2879 | { |
2880 | int i; | |
2881 | int n_commands; /* # of command. */ | |
2882 | char *string; | |
054e88a8 | 2883 | struct pex_obj *pex; |
ed1f651b | 2884 | struct command |
d25a45d4 KH |
2885 | { |
2886 | const char *prog; /* program name. */ | |
2887 | const char **argv; /* vector of args. */ | |
d25a45d4 | 2888 | }; |
5b634ee0 | 2889 | const char *arg; |
ed1f651b RS |
2890 | |
2891 | struct command *commands; /* each command buffer with above info. */ | |
2892 | ||
3b5edfee | 2893 | gcc_assert (!processing_spec_function); |
f3226a90 | 2894 | |
fe7df9c4 SP |
2895 | if (wrapper_string) |
2896 | { | |
5b634ee0 | 2897 | string = find_a_file (&exec_prefixes, |
9771b263 | 2898 | argbuf[0], X_OK, false); |
5b634ee0 | 2899 | if (string) |
9771b263 | 2900 | argbuf[0] = string; |
fe7df9c4 SP |
2901 | insert_wrapper (wrapper_string); |
2902 | } | |
2903 | ||
ed1f651b | 2904 | /* Count # of piped commands. */ |
9771b263 | 2905 | for (n_commands = 1, i = 0; argbuf.iterate (i, &arg); i++) |
5b634ee0 | 2906 | if (strcmp (arg, "|") == 0) |
ed1f651b RS |
2907 | n_commands++; |
2908 | ||
2909 | /* Get storage for each command. */ | |
e1e4cdc4 | 2910 | commands = (struct command *) alloca (n_commands * sizeof (struct command)); |
ed1f651b RS |
2911 | |
2912 | /* Split argbuf into its separate piped processes, | |
2913 | and record info about each one. | |
2914 | Also search for the programs that are to be run. */ | |
2915 | ||
9771b263 | 2916 | argbuf.safe_push (0); |
5b634ee0 | 2917 | |
9771b263 DN |
2918 | commands[0].prog = argbuf[0]; /* first command. */ |
2919 | commands[0].argv = argbuf.address (); | |
b8698a0f | 2920 | |
fe7df9c4 SP |
2921 | if (!wrapper_string) |
2922 | { | |
2923 | string = find_a_file (&exec_prefixes, commands[0].prog, X_OK, false); | |
2924 | commands[0].argv[0] = (string) ? string : commands[0].argv[0]; | |
2925 | } | |
ed1f651b | 2926 | |
9771b263 | 2927 | for (n_commands = 1, i = 0; argbuf.iterate (i, &arg); i++) |
5b634ee0 | 2928 | if (arg && strcmp (arg, "|") == 0) |
ed1f651b | 2929 | { /* each command. */ |
6405c0ec | 2930 | #if defined (__MSDOS__) || defined (OS2) || defined (VMS) |
40fecdd6 | 2931 | fatal_error (input_location, "-pipe not supported"); |
ed1f651b | 2932 | #endif |
9771b263 | 2933 | argbuf[i] = 0; /* Termination of |
5b634ee0 | 2934 | command args. */ |
9771b263 | 2935 | commands[n_commands].prog = argbuf[i + 1]; |
5b634ee0 | 2936 | commands[n_commands].argv |
9771b263 | 2937 | = &(argbuf.address ())[i + 1]; |
5bbcd587 | 2938 | string = find_a_file (&exec_prefixes, commands[n_commands].prog, |
00dcee0c | 2939 | X_OK, false); |
ed1f651b RS |
2940 | if (string) |
2941 | commands[n_commands].argv[0] = string; | |
2942 | n_commands++; | |
2943 | } | |
2944 | ||
ed1f651b RS |
2945 | /* If -v, print what we are about to do, and maybe query. */ |
2946 | ||
b3865ca9 | 2947 | if (verbose_flag) |
ed1f651b | 2948 | { |
b8468bc7 NC |
2949 | /* For help listings, put a blank line between sub-processes. */ |
2950 | if (print_help_list) | |
2951 | fputc ('\n', stderr); | |
9218435e | 2952 | |
ed1f651b | 2953 | /* Print each piped command as a separate line. */ |
d25a45d4 | 2954 | for (i = 0; i < n_commands; i++) |
ed1f651b | 2955 | { |
37620334 | 2956 | const char *const *j; |
ed1f651b | 2957 | |
589005ff KH |
2958 | if (verbose_only_flag) |
2959 | { | |
99f78cdd IR |
2960 | for (j = commands[i].argv; *j; j++) |
2961 | { | |
88f92c0f | 2962 | const char *p; |
99f78cdd | 2963 | for (p = *j; *p; ++p) |
09b201fc JJ |
2964 | if (!ISALNUM ((unsigned char) *p) |
2965 | && *p != '_' && *p != '/' && *p != '-' && *p != '.') | |
2966 | break; | |
2967 | if (*p || !*j) | |
99f78cdd | 2968 | { |
09b201fc JJ |
2969 | fprintf (stderr, " \""); |
2970 | for (p = *j; *p; ++p) | |
2971 | { | |
2972 | if (*p == '"' || *p == '\\' || *p == '$') | |
2973 | fputc ('\\', stderr); | |
2974 | fputc (*p, stderr); | |
2975 | } | |
2976 | fputc ('"', stderr); | |
99f78cdd | 2977 | } |
7fcf46f5 JZ |
2978 | /* If it's empty, print "". */ |
2979 | else if (!**j) | |
2980 | fprintf (stderr, " \"\""); | |
09b201fc JJ |
2981 | else |
2982 | fprintf (stderr, " %s", *j); | |
99f78cdd | 2983 | } |
589005ff KH |
2984 | } |
2985 | else | |
99f78cdd | 2986 | for (j = commands[i].argv; *j; j++) |
7fcf46f5 JZ |
2987 | /* If it's empty, print "". */ |
2988 | if (!**j) | |
2989 | fprintf (stderr, " \"\""); | |
2990 | else | |
2991 | fprintf (stderr, " %s", *j); | |
ed1f651b RS |
2992 | |
2993 | /* Print a pipe symbol after all but the last command. */ | |
2994 | if (i + 1 != n_commands) | |
2995 | fprintf (stderr, " |"); | |
2996 | fprintf (stderr, "\n"); | |
2997 | } | |
2998 | fflush (stderr); | |
99f78cdd | 2999 | if (verbose_only_flag != 0) |
6a40fb21 AP |
3000 | { |
3001 | /* verbose_only_flag should act as if the spec was | |
3002 | executed, so increment execution_count before | |
ba228239 | 3003 | returning. This prevents spurious warnings about |
6a40fb21 AP |
3004 | unused linker input files, etc. */ |
3005 | execution_count++; | |
3006 | return 0; | |
3007 | } | |
ed1f651b | 3008 | #ifdef DEBUG |
2dec80c7 | 3009 | fnotice (stderr, "\nGo ahead? (y or n) "); |
ed1f651b RS |
3010 | fflush (stderr); |
3011 | i = getchar (); | |
3012 | if (i != '\n') | |
e9a25f70 JL |
3013 | while (getchar () != '\n') |
3014 | ; | |
3015 | ||
ed1f651b RS |
3016 | if (i != 'y' && i != 'Y') |
3017 | return 0; | |
3018 | #endif /* DEBUG */ | |
3019 | } | |
3020 | ||
414d23ae | 3021 | #ifdef ENABLE_VALGRIND_CHECKING |
fbe5a4a6 | 3022 | /* Run the each command through valgrind. To simplify prepending the |
414d23ae HPN |
3023 | path to valgrind and the option "-q" (for quiet operation unless |
3024 | something triggers), we allocate a separate argv array. */ | |
3025 | ||
3026 | for (i = 0; i < n_commands; i++) | |
3027 | { | |
3028 | const char **argv; | |
3029 | int argc; | |
3030 | int j; | |
3031 | ||
3032 | for (argc = 0; commands[i].argv[argc] != NULL; argc++) | |
3033 | ; | |
3034 | ||
63ab5b8c | 3035 | argv = XALLOCAVEC (const char *, argc + 3); |
414d23ae HPN |
3036 | |
3037 | argv[0] = VALGRIND_PATH; | |
3038 | argv[1] = "-q"; | |
3039 | for (j = 2; j < argc + 2; j++) | |
3040 | argv[j] = commands[i].argv[j - 2]; | |
3041 | argv[j] = NULL; | |
3042 | ||
3043 | commands[i].argv = argv; | |
3044 | commands[i].prog = argv[0]; | |
3045 | } | |
3046 | #endif | |
3047 | ||
ed1f651b RS |
3048 | /* Run each piped subprocess. */ |
3049 | ||
bdde878c AO |
3050 | pex = pex_init (PEX_USE_PIPES | ((report_times || report_times_to_file) |
3051 | ? PEX_RECORD_TIMES : 0), | |
6afbc885 | 3052 | progname, temp_filename); |
054e88a8 | 3053 | if (pex == NULL) |
40fecdd6 | 3054 | fatal_error (input_location, "pex_init failed: %m"); |
054e88a8 | 3055 | |
ed1f651b RS |
3056 | for (i = 0; i < n_commands; i++) |
3057 | { | |
054e88a8 ILT |
3058 | const char *errmsg; |
3059 | int err; | |
fbd40359 | 3060 | const char *string = commands[i].argv[0]; |
ed1f651b | 3061 | |
054e88a8 ILT |
3062 | errmsg = pex_run (pex, |
3063 | ((i + 1 == n_commands ? PEX_LAST : 0) | |
3064 | | (string == commands[i].prog ? PEX_SEARCH : 0)), | |
b1d5455a | 3065 | string, CONST_CAST (char **, commands[i].argv), |
054e88a8 ILT |
3066 | NULL, NULL, &err); |
3067 | if (errmsg != NULL) | |
3068 | { | |
3069 | if (err == 0) | |
40fecdd6 | 3070 | fatal_error (input_location, errmsg); |
054e88a8 ILT |
3071 | else |
3072 | { | |
3073 | errno = err; | |
3074 | pfatal_with_name (errmsg); | |
3075 | } | |
3076 | } | |
ed1f651b | 3077 | |
dc10fd96 | 3078 | if (i && string != commands[i].prog) |
b1d5455a | 3079 | free (CONST_CAST (char *, string)); |
ed1f651b RS |
3080 | } |
3081 | ||
3082 | execution_count++; | |
3083 | ||
054e88a8 | 3084 | /* Wait for all the subprocesses to finish. */ |
ed1f651b RS |
3085 | |
3086 | { | |
054e88a8 ILT |
3087 | int *statuses; |
3088 | struct pex_time *times = NULL; | |
ed1f651b RS |
3089 | int ret_code = 0; |
3090 | ||
e1e4cdc4 | 3091 | statuses = (int *) alloca (n_commands * sizeof (int)); |
054e88a8 | 3092 | if (!pex_get_status (pex, n_commands, statuses)) |
40fecdd6 | 3093 | fatal_error (input_location, "failed to get exit status: %m"); |
054e88a8 | 3094 | |
bdde878c | 3095 | if (report_times || report_times_to_file) |
ed1f651b | 3096 | { |
e1e4cdc4 | 3097 | times = (struct pex_time *) alloca (n_commands * sizeof (struct pex_time)); |
054e88a8 | 3098 | if (!pex_get_times (pex, n_commands, times)) |
40fecdd6 | 3099 | fatal_error (input_location, "failed to get process times: %m"); |
054e88a8 | 3100 | } |
ed1f651b | 3101 | |
054e88a8 | 3102 | pex_free (pex); |
ed1f651b | 3103 | |
054e88a8 ILT |
3104 | for (i = 0; i < n_commands; ++i) |
3105 | { | |
3106 | int status = statuses[i]; | |
03c41c05 | 3107 | |
054e88a8 ILT |
3108 | if (WIFSIGNALED (status)) |
3109 | { | |
c334349b | 3110 | #ifdef SIGPIPE |
054e88a8 ILT |
3111 | /* SIGPIPE is a special case. It happens in -pipe mode |
3112 | when the compiler dies before the preprocessor is done, | |
3113 | or the assembler dies before the compiler is done. | |
3114 | There's generally been an error already, and this is | |
3115 | just fallout. So don't generate another error unless | |
3116 | we would otherwise have succeeded. */ | |
3117 | if (WTERMSIG (status) == SIGPIPE | |
3118 | && (signal_count || greatest_status >= MIN_FATAL_STATUS)) | |
eeac616e VR |
3119 | { |
3120 | signal_count++; | |
3121 | ret_code = -1; | |
3122 | } | |
054e88a8 ILT |
3123 | else |
3124 | #endif | |
b55f40c1 JJ |
3125 | internal_error_no_backtrace ("%s (program %s)", |
3126 | strsignal (WTERMSIG (status)), | |
3127 | commands[i].prog); | |
054e88a8 ILT |
3128 | } |
3129 | else if (WIFEXITED (status) | |
3130 | && WEXITSTATUS (status) >= MIN_FATAL_STATUS) | |
3131 | { | |
dc10fd96 JJ |
3132 | /* For ICEs in cc1, cc1obj, cc1plus see if it is |
3133 | reproducible or not. */ | |
3134 | const char *p; | |
3135 | if (flag_report_bug | |
3136 | && WEXITSTATUS (status) == ICE_EXIT_CODE | |
3137 | && i == 0 | |
3138 | && (p = strrchr (commands[0].argv[0], DIR_SEPARATOR)) | |
3139 | && ! strncmp (p + 1, "cc1", 3)) | |
1120a850 | 3140 | try_generate_repro (commands[0].argv); |
054e88a8 ILT |
3141 | if (WEXITSTATUS (status) > greatest_status) |
3142 | greatest_status = WEXITSTATUS (status); | |
3143 | ret_code = -1; | |
3144 | } | |
3145 | ||
bdde878c | 3146 | if (report_times || report_times_to_file) |
054e88a8 ILT |
3147 | { |
3148 | struct pex_time *pt = ×[i]; | |
3149 | double ut, st; | |
3150 | ||
3151 | ut = ((double) pt->user_seconds | |
3152 | + (double) pt->user_microseconds / 1.0e6); | |
3153 | st = ((double) pt->system_seconds | |
3154 | + (double) pt->system_microseconds / 1.0e6); | |
3155 | ||
3156 | if (ut + st != 0) | |
bdde878c AO |
3157 | { |
3158 | if (report_times) | |
2dec80c7 JM |
3159 | fnotice (stderr, "# %s %.2f %.2f\n", |
3160 | commands[i].prog, ut, st); | |
bdde878c AO |
3161 | |
3162 | if (report_times_to_file) | |
3163 | { | |
3164 | int c = 0; | |
3165 | const char *const *j; | |
3166 | ||
3167 | fprintf (report_times_to_file, "%g %g", ut, st); | |
3168 | ||
3169 | for (j = &commands[i].prog; *j; j = &commands[i].argv[++c]) | |
3170 | { | |
3171 | const char *p; | |
3172 | for (p = *j; *p; ++p) | |
3173 | if (*p == '"' || *p == '\\' || *p == '$' | |
3174 | || ISSPACE (*p)) | |
3175 | break; | |
3176 | ||
3177 | if (*p) | |
3178 | { | |
3179 | fprintf (report_times_to_file, " \""); | |
3180 | for (p = *j; *p; ++p) | |
3181 | { | |
3182 | if (*p == '"' || *p == '\\' || *p == '$') | |
3183 | fputc ('\\', report_times_to_file); | |
3184 | fputc (*p, report_times_to_file); | |
3185 | } | |
3186 | fputc ('"', report_times_to_file); | |
3187 | } | |
3188 | else | |
3189 | fprintf (report_times_to_file, " %s", *j); | |
3190 | } | |
3191 | ||
3192 | fputc ('\n', report_times_to_file); | |
3193 | } | |
3194 | } | |
054e88a8 | 3195 | } |
ed1f651b | 3196 | } |
054e88a8 | 3197 | |
dc10fd96 JJ |
3198 | if (commands[0].argv[0] != commands[0].prog) |
3199 | free (CONST_CAST (char *, commands[0].argv[0])); | |
3200 | ||
ed1f651b RS |
3201 | return ret_code; |
3202 | } | |
3203 | } | |
3204 | \f | |
3205 | /* Find all the switches given to us | |
3206 | and make a vector describing them. | |
3207 | The elements of the vector are strings, one per switch given. | |
3208 | If a switch uses following arguments, then the `part1' field | |
3209 | is the switch itself and the `args' field | |
3210 | is a null-terminated vector containing the following arguments. | |
3371362c L |
3211 | Bits in the `live_cond' field are: |
3212 | SWITCH_LIVE to indicate this switch is true in a conditional spec. | |
3213 | SWITCH_FALSE to indicate this switch is overridden by a later switch. | |
3214 | SWITCH_IGNORE to indicate this switch should be ignored (used in %<S). | |
db8d0919 TS |
3215 | SWITCH_IGNORE_PERMANENTLY to indicate this switch should be ignored. |
3216 | SWITCH_KEEP_FOR_GCC to indicate that this switch, otherwise ignored, | |
3217 | should be included in COLLECT_GCC_OPTIONS. | |
94b90527 | 3218 | in all do_spec calls afterwards. Used for %<S from self specs. |
db8d0919 TS |
3219 | The `known' field describes whether this is an internal switch. |
3220 | The `validated' field describes whether any spec has looked at this switch; | |
3221 | if it remains false at the end of the run, the switch must be meaningless. | |
3222 | The `ordering' field is used to temporarily mark switches that have to be | |
3223 | kept in a specific order. */ | |
ed1f651b | 3224 | |
96f5b137 L |
3225 | #define SWITCH_LIVE (1 << 0) |
3226 | #define SWITCH_FALSE (1 << 1) | |
3227 | #define SWITCH_IGNORE (1 << 2) | |
3228 | #define SWITCH_IGNORE_PERMANENTLY (1 << 3) | |
3229 | #define SWITCH_KEEP_FOR_GCC (1 << 4) | |
8097c429 | 3230 | |
ed1f651b RS |
3231 | struct switchstr |
3232 | { | |
878f32c3 | 3233 | const char *part1; |
fbd40359 | 3234 | const char **args; |
3371362c | 3235 | unsigned int live_cond; |
d168aaee CB |
3236 | bool known; |
3237 | bool validated; | |
3238 | bool ordering; | |
ed1f651b RS |
3239 | }; |
3240 | ||
3241 | static struct switchstr *switches; | |
3242 | ||
3243 | static int n_switches; | |
3244 | ||
922e1882 JM |
3245 | static int n_switches_alloc; |
3246 | ||
2153915d AO |
3247 | /* Set to zero if -fcompare-debug is disabled, positive if it's |
3248 | enabled and we're running the first compilation, negative if it's | |
3249 | enabled and we're running the second compilation. For most of the | |
3250 | time, it's in the range -1..1, but it can be temporarily set to 2 | |
3251 | or 3 to indicate that the -fcompare-debug flags didn't come from | |
3252 | the command-line, but rather from the GCC_COMPARE_DEBUG environment | |
3253 | variable, until a synthesized -fcompare-debug flag is added to the | |
3254 | command line. */ | |
3255 | int compare_debug; | |
3256 | ||
3257 | /* Set to nonzero if we've seen the -fcompare-debug-second flag. */ | |
3258 | int compare_debug_second; | |
3259 | ||
3260 | /* Set to the flags that should be passed to the second compilation in | |
3261 | a -fcompare-debug compilation. */ | |
3262 | const char *compare_debug_opt; | |
3263 | ||
3264 | static struct switchstr *switches_debug_check[2]; | |
3265 | ||
3266 | static int n_switches_debug_check[2]; | |
3267 | ||
efe5e5a0 JM |
3268 | static int n_switches_alloc_debug_check[2]; |
3269 | ||
2153915d AO |
3270 | static char *debug_check_temp_file[2]; |
3271 | ||
817a8255 EC |
3272 | /* Language is one of three things: |
3273 | ||
3274 | 1) The name of a real programming language. | |
3275 | 2) NULL, indicating that no one has figured out | |
3276 | what it is yet. | |
3277 | 3) '*', indicating that the file should be passed | |
3278 | to the linker. */ | |
ed1f651b RS |
3279 | struct infile |
3280 | { | |
878f32c3 KG |
3281 | const char *name; |
3282 | const char *language; | |
0855eab7 CT |
3283 | struct compiler *incompiler; |
3284 | bool compiled; | |
3285 | bool preprocessed; | |
ed1f651b RS |
3286 | }; |
3287 | ||
3288 | /* Also a vector of input files specified. */ | |
3289 | ||
3290 | static struct infile *infiles; | |
3291 | ||
3a5a9edc | 3292 | int n_infiles; |
ed1f651b | 3293 | |
922e1882 JM |
3294 | static int n_infiles_alloc; |
3295 | ||
d1bd0ded GK |
3296 | /* True if multiple input files are being compiled to a single |
3297 | assembly file. */ | |
3298 | ||
3299 | static bool combine_inputs; | |
3300 | ||
08dc830e | 3301 | /* This counts the number of libraries added by lang_specific_driver, so that |
a2a05b0a JW |
3302 | we can tell if there were any user supplied any files or libraries. */ |
3303 | ||
3304 | static int added_libraries; | |
3305 | ||
ed1f651b RS |
3306 | /* And a vector of corresponding output files is made up later. */ |
3307 | ||
3a5a9edc | 3308 | const char **outfiles; |
853e0b2d | 3309 | \f |
45936a85 | 3310 | #if defined(HAVE_TARGET_OBJECT_SUFFIX) || defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
853e0b2d RK |
3311 | |
3312 | /* Convert NAME to a new name if it is the standard suffix. DO_EXE | |
a9657ce8 DR |
3313 | is true if we should look for an executable suffix. DO_OBJ |
3314 | is true if we should look for an object suffix. */ | |
853e0b2d | 3315 | |
40cdfca6 | 3316 | static const char * |
1d088dee AJ |
3317 | convert_filename (const char *name, int do_exe ATTRIBUTE_UNUSED, |
3318 | int do_obj ATTRIBUTE_UNUSED) | |
853e0b2d | 3319 | { |
40cdfca6 | 3320 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
853e0b2d | 3321 | int i; |
40cdfca6 | 3322 | #endif |
87e690e2 MK |
3323 | int len; |
3324 | ||
3325 | if (name == NULL) | |
3326 | return NULL; | |
9218435e | 3327 | |
87e690e2 | 3328 | len = strlen (name); |
853e0b2d | 3329 | |
45936a85 DD |
3330 | #ifdef HAVE_TARGET_OBJECT_SUFFIX |
3331 | /* Convert x.o to x.obj if TARGET_OBJECT_SUFFIX is ".obj". */ | |
a9657ce8 | 3332 | if (do_obj && len > 2 |
853e0b2d RK |
3333 | && name[len - 2] == '.' |
3334 | && name[len - 1] == 'o') | |
3335 | { | |
bdc5ed93 | 3336 | obstack_grow (&obstack, name, len - 2); |
45936a85 | 3337 | obstack_grow0 (&obstack, TARGET_OBJECT_SUFFIX, strlen (TARGET_OBJECT_SUFFIX)); |
7973fd2a | 3338 | name = XOBFINISH (&obstack, const char *); |
853e0b2d RK |
3339 | } |
3340 | #endif | |
3341 | ||
45936a85 | 3342 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
853e0b2d RK |
3343 | /* If there is no filetype, make it the executable suffix (which includes |
3344 | the "."). But don't get confused if we have just "-o". */ | |
45936a85 | 3345 | if (! do_exe || TARGET_EXECUTABLE_SUFFIX[0] == 0 || (len == 2 && name[0] == '-')) |
853e0b2d RK |
3346 | return name; |
3347 | ||
e0040a8e | 3348 | for (i = len - 1; i >= 0; i--) |
509781a4 | 3349 | if (IS_DIR_SEPARATOR (name[i])) |
e0040a8e RK |
3350 | break; |
3351 | ||
3352 | for (i++; i < len; i++) | |
853e0b2d RK |
3353 | if (name[i] == '.') |
3354 | return name; | |
3355 | ||
3356 | obstack_grow (&obstack, name, len); | |
5d9669fd RK |
3357 | obstack_grow0 (&obstack, TARGET_EXECUTABLE_SUFFIX, |
3358 | strlen (TARGET_EXECUTABLE_SUFFIX)); | |
7973fd2a | 3359 | name = XOBFINISH (&obstack, const char *); |
853e0b2d RK |
3360 | #endif |
3361 | ||
3362 | return name; | |
3363 | } | |
3364 | #endif | |
b8468bc7 NC |
3365 | \f |
3366 | /* Display the command line switches accepted by gcc. */ | |
3367 | static void | |
1d088dee | 3368 | display_help (void) |
b8468bc7 | 3369 | { |
6afbc885 | 3370 | printf (_("Usage: %s [options] file...\n"), progname); |
5e4adfba | 3371 | fputs (_("Options:\n"), stdout); |
b8468bc7 | 3372 | |
a7b2e184 MS |
3373 | fputs (_(" -pass-exit-codes Exit with highest error code from a phase.\n"), stdout); |
3374 | fputs (_(" --help Display this information.\n"), stdout); | |
3375 | fputs (_(" --target-help Display target specific command line options.\n"), stdout); | |
3376 | fputs (_(" --help={common|optimizers|params|target|warnings|[^]{joined|separate|undocumented}}[,...].\n"), stdout); | |
3377 | fputs (_(" Display specific types of command line options.\n"), stdout); | |
b8468bc7 | 3378 | if (! verbose_flag) |
a7b2e184 MS |
3379 | fputs (_(" (Use '-v --help' to display command line options of sub-processes).\n"), stdout); |
3380 | fputs (_(" --version Display compiler version information.\n"), stdout); | |
3381 | fputs (_(" -dumpspecs Display all of the built in spec strings.\n"), stdout); | |
3382 | fputs (_(" -dumpversion Display the version of the compiler.\n"), stdout); | |
3383 | fputs (_(" -dumpmachine Display the compiler's target processor.\n"), stdout); | |
3384 | fputs (_(" -print-search-dirs Display the directories in the compiler's search path.\n"), stdout); | |
3385 | fputs (_(" -print-libgcc-file-name Display the name of the compiler's companion library.\n"), stdout); | |
3386 | fputs (_(" -print-file-name=<lib> Display the full path to library <lib>.\n"), stdout); | |
3387 | fputs (_(" -print-prog-name=<prog> Display the full path to compiler component <prog>.\n"), stdout); | |
e0cdc09f MK |
3388 | fputs (_("\ |
3389 | -print-multiarch Display the target's normalized GNU triplet, used as\n\ | |
a7b2e184 MS |
3390 | a component in the library path.\n"), stdout); |
3391 | fputs (_(" -print-multi-directory Display the root directory for versions of libgcc.\n"), stdout); | |
5e4adfba PT |
3392 | fputs (_("\ |
3393 | -print-multi-lib Display the mapping between command line options and\n\ | |
a7b2e184 MS |
3394 | multiple library search directories.\n"), stdout); |
3395 | fputs (_(" -print-multi-os-directory Display the relative path to OS libraries.\n"), stdout); | |
3396 | fputs (_(" -print-sysroot Display the target libraries directory.\n"), stdout); | |
3397 | fputs (_(" -print-sysroot-headers-suffix Display the sysroot suffix used to find headers.\n"), stdout); | |
3398 | fputs (_(" -Wa,<options> Pass comma-separated <options> on to the assembler.\n"), stdout); | |
3399 | fputs (_(" -Wp,<options> Pass comma-separated <options> on to the preprocessor.\n"), stdout); | |
3400 | fputs (_(" -Wl,<options> Pass comma-separated <options> on to the linker.\n"), stdout); | |
3401 | fputs (_(" -Xassembler <arg> Pass <arg> on to the assembler.\n"), stdout); | |
3402 | fputs (_(" -Xpreprocessor <arg> Pass <arg> on to the preprocessor.\n"), stdout); | |
3403 | fputs (_(" -Xlinker <arg> Pass <arg> on to the linker.\n"), stdout); | |
3404 | fputs (_(" -save-temps Do not delete intermediate files.\n"), stdout); | |
3405 | fputs (_(" -save-temps=<arg> Do not delete intermediate files.\n"), stdout); | |
ba0c638e SB |
3406 | fputs (_("\ |
3407 | -no-canonical-prefixes Do not canonicalize paths when building relative\n\ | |
a7b2e184 MS |
3408 | prefixes to other gcc components.\n"), stdout); |
3409 | fputs (_(" -pipe Use pipes rather than intermediate files.\n"), stdout); | |
3410 | fputs (_(" -time Time the execution of each subprocess.\n"), stdout); | |
3411 | fputs (_(" -specs=<file> Override built-in specs with the contents of <file>.\n"), stdout); | |
3412 | fputs (_(" -std=<standard> Assume that the input sources are for <standard>.\n"), stdout); | |
160633c6 MM |
3413 | fputs (_("\ |
3414 | --sysroot=<directory> Use <directory> as the root directory for headers\n\ | |
a7b2e184 MS |
3415 | and libraries.\n"), stdout); |
3416 | fputs (_(" -B <directory> Add <directory> to the compiler's search paths.\n"), stdout); | |
3417 | fputs (_(" -v Display the programs invoked by the compiler.\n"), stdout); | |
3418 | fputs (_(" -### Like -v but options quoted and commands not executed.\n"), stdout); | |
3419 | fputs (_(" -E Preprocess only; do not compile, assemble or link.\n"), stdout); | |
3420 | fputs (_(" -S Compile only; do not assemble or link.\n"), stdout); | |
3421 | fputs (_(" -c Compile and assemble, but do not link.\n"), stdout); | |
3422 | fputs (_(" -o <file> Place the output into <file>.\n"), stdout); | |
3423 | fputs (_(" -pie Create a position independent executable.\n"), stdout); | |
3424 | fputs (_(" -shared Create a shared library.\n"), stdout); | |
5e4adfba | 3425 | fputs (_("\ |
a7b2e184 | 3426 | -x <language> Specify the language of the following input files.\n\ |
8e854b76 | 3427 | Permissible languages include: c c++ assembler none\n\ |
1737c953 | 3428 | 'none' means revert to the default behavior of\n\ |
a7b2e184 | 3429 | guessing the language based on the file's extension.\n\ |
5e4adfba PT |
3430 | "), stdout); |
3431 | ||
0c386769 | 3432 | printf (_("\ |
d991c721 BK |
3433 | \nOptions starting with -g, -f, -m, -O, -W, or --param are automatically\n\ |
3434 | passed on to the various sub-processes invoked by %s. In order to pass\n\ | |
3435 | other options on to these processes the -W<letter> options must be used.\n\ | |
6afbc885 | 3436 | "), progname); |
b8468bc7 NC |
3437 | |
3438 | /* The rest of the options are displayed by invocations of the various | |
3439 | sub-processes. */ | |
3440 | } | |
3441 | ||
9218435e | 3442 | static void |
1d088dee | 3443 | add_preprocessor_option (const char *option, int len) |
9218435e | 3444 | { |
9771b263 | 3445 | preprocessor_options.safe_push (save_string (option, len)); |
40f943dd | 3446 | } |
9218435e KH |
3447 | |
3448 | static void | |
1d088dee | 3449 | add_assembler_option (const char *option, int len) |
878f32c3 | 3450 | { |
9771b263 | 3451 | assembler_options.safe_push (save_string (option, len)); |
b8468bc7 | 3452 | } |
9218435e KH |
3453 | |
3454 | static void | |
1d088dee | 3455 | add_linker_option (const char *option, int len) |
878f32c3 | 3456 | { |
9771b263 | 3457 | linker_options.safe_push (save_string (option, len)); |
40f943dd | 3458 | } |
853e0b2d | 3459 | \f |
922e1882 JM |
3460 | /* Allocate space for an input file in infiles. */ |
3461 | ||
3462 | static void | |
3463 | alloc_infile (void) | |
3464 | { | |
3465 | if (n_infiles_alloc == 0) | |
3466 | { | |
3467 | n_infiles_alloc = 16; | |
3468 | infiles = XNEWVEC (struct infile, n_infiles_alloc); | |
3469 | } | |
3470 | else if (n_infiles_alloc == n_infiles) | |
3471 | { | |
3472 | n_infiles_alloc *= 2; | |
3473 | infiles = XRESIZEVEC (struct infile, infiles, n_infiles_alloc); | |
3474 | } | |
3475 | } | |
3476 | ||
3477 | /* Store an input file with the given NAME and LANGUAGE in | |
3478 | infiles. */ | |
3479 | ||
3480 | static void | |
3481 | add_infile (const char *name, const char *language) | |
3482 | { | |
3483 | alloc_infile (); | |
3484 | infiles[n_infiles].name = name; | |
3485 | infiles[n_infiles++].language = language; | |
3486 | } | |
3487 | ||
3488 | /* Allocate space for a switch in switches. */ | |
3489 | ||
3490 | static void | |
3491 | alloc_switch (void) | |
3492 | { | |
3493 | if (n_switches_alloc == 0) | |
3494 | { | |
3495 | n_switches_alloc = 16; | |
3496 | switches = XNEWVEC (struct switchstr, n_switches_alloc); | |
3497 | } | |
3498 | else if (n_switches_alloc == n_switches) | |
3499 | { | |
3500 | n_switches_alloc *= 2; | |
3501 | switches = XRESIZEVEC (struct switchstr, switches, n_switches_alloc); | |
3502 | } | |
3503 | } | |
3504 | ||
603349bf | 3505 | /* Save an option OPT with N_ARGS arguments in array ARGS, marking it |
d168aaee | 3506 | as validated if VALIDATED and KNOWN if it is an internal switch. */ |
603349bf JM |
3507 | |
3508 | static void | |
3509 | save_switch (const char *opt, size_t n_args, const char *const *args, | |
d168aaee | 3510 | bool validated, bool known) |
603349bf JM |
3511 | { |
3512 | alloc_switch (); | |
3513 | switches[n_switches].part1 = opt + 1; | |
3514 | if (n_args == 0) | |
3515 | switches[n_switches].args = 0; | |
3516 | else | |
3517 | { | |
3518 | switches[n_switches].args = XNEWVEC (const char *, n_args + 1); | |
3519 | memcpy (switches[n_switches].args, args, n_args * sizeof (const char *)); | |
3520 | switches[n_switches].args[n_args] = NULL; | |
3521 | } | |
3522 | ||
3523 | switches[n_switches].live_cond = 0; | |
3524 | switches[n_switches].validated = validated; | |
d168aaee | 3525 | switches[n_switches].known = known; |
603349bf JM |
3526 | switches[n_switches].ordering = 0; |
3527 | n_switches++; | |
3528 | } | |
3529 | ||
3530 | /* Handle an option DECODED that is unknown to the option-processing | |
66017846 | 3531 | machinery. */ |
603349bf JM |
3532 | |
3533 | static bool | |
3534 | driver_unknown_option_callback (const struct cl_decoded_option *decoded) | |
3535 | { | |
66017846 JM |
3536 | const char *opt = decoded->arg; |
3537 | if (opt[1] == 'W' && opt[2] == 'n' && opt[3] == 'o' && opt[4] == '-' | |
3538 | && !(decoded->errors & CL_ERR_NEGATIVE)) | |
3539 | { | |
3540 | /* Leave unknown -Wno-* options for the compiler proper, to be | |
3541 | diagnosed only if there are warnings. */ | |
3542 | save_switch (decoded->canonical_option[0], | |
3543 | decoded->canonical_option_num_elements - 1, | |
d168aaee CB |
3544 | &decoded->canonical_option[1], false, true); |
3545 | return false; | |
3546 | } | |
3547 | if (decoded->opt_index == OPT_SPECIAL_unknown) | |
3548 | { | |
026c3cfd | 3549 | /* Give it a chance to define it a spec file. */ |
d168aaee CB |
3550 | save_switch (decoded->canonical_option[0], |
3551 | decoded->canonical_option_num_elements - 1, | |
3552 | &decoded->canonical_option[1], false, false); | |
66017846 JM |
3553 | return false; |
3554 | } | |
3555 | else | |
3556 | return true; | |
603349bf JM |
3557 | } |
3558 | ||
3559 | /* Handle an option DECODED that is not marked as CL_DRIVER. | |
3560 | LANG_MASK will always be CL_DRIVER. */ | |
3561 | ||
3562 | static void | |
3563 | driver_wrong_lang_callback (const struct cl_decoded_option *decoded, | |
3564 | unsigned int lang_mask ATTRIBUTE_UNUSED) | |
3565 | { | |
3566 | /* At this point, non-driver options are accepted (and expected to | |
3567 | be passed down by specs) unless marked to be rejected by the | |
3568 | driver. Options to be rejected by the driver but accepted by the | |
3569 | compilers proper are treated just like completely unknown | |
3570 | options. */ | |
3571 | const struct cl_option *option = &cl_options[decoded->opt_index]; | |
3572 | ||
300d83d9 | 3573 | if (option->cl_reject_driver) |
603349bf JM |
3574 | error ("unrecognized command line option %qs", |
3575 | decoded->orig_option_with_args_text); | |
3576 | else | |
66017846 JM |
3577 | save_switch (decoded->canonical_option[0], |
3578 | decoded->canonical_option_num_elements - 1, | |
d168aaee | 3579 | &decoded->canonical_option[1], false, true); |
603349bf JM |
3580 | } |
3581 | ||
603349bf JM |
3582 | static const char *spec_lang = 0; |
3583 | static int last_language_n_infiles; | |
3584 | ||
c713ddc0 BS |
3585 | /* Parse -foffload option argument. */ |
3586 | ||
3587 | static void | |
3588 | handle_foffload_option (const char *arg) | |
3589 | { | |
3590 | const char *c, *cur, *n, *next, *end; | |
3591 | char *target; | |
3592 | ||
3593 | /* If option argument starts with '-' then no target is specified and we | |
3594 | do not need to parse it. */ | |
3595 | if (arg[0] == '-') | |
3596 | return; | |
3597 | ||
b08dec2f DH |
3598 | end = strchr (arg, '='); |
3599 | if (end == NULL) | |
3600 | end = strchr (arg, '\0'); | |
c713ddc0 BS |
3601 | cur = arg; |
3602 | ||
3603 | while (cur < end) | |
3604 | { | |
b08dec2f DH |
3605 | next = strchr (cur, ','); |
3606 | if (next == NULL) | |
191ec640 | 3607 | next = end; |
c713ddc0 BS |
3608 | next = (next > end) ? end : next; |
3609 | ||
3610 | target = XNEWVEC (char, next - cur + 1); | |
191ec640 | 3611 | memcpy (target, cur, next - cur); |
c713ddc0 BS |
3612 | target[next - cur] = '\0'; |
3613 | ||
3614 | /* If 'disable' is passed to the option, stop parsing the option and clean | |
3615 | the list of offload targets. */ | |
3616 | if (strcmp (target, "disable") == 0) | |
3617 | { | |
3618 | free (offload_targets); | |
3619 | offload_targets = xstrdup (""); | |
3620 | break; | |
3621 | } | |
3622 | ||
3623 | /* Check that GCC is configured to support the offload target. */ | |
3624 | c = OFFLOAD_TARGETS; | |
3625 | while (c) | |
3626 | { | |
b08dec2f DH |
3627 | n = strchr (c, ','); |
3628 | if (n == NULL) | |
3629 | n = strchr (c, '\0'); | |
c713ddc0 | 3630 | |
191ec640 | 3631 | if (next - cur == n - c && strncmp (target, c, n - c) == 0) |
c713ddc0 BS |
3632 | break; |
3633 | ||
3634 | c = *n ? n + 1 : NULL; | |
3635 | } | |
3636 | ||
3637 | if (!c) | |
40fecdd6 JM |
3638 | fatal_error (input_location, |
3639 | "GCC is not configured to support %s as offload target", | |
c713ddc0 BS |
3640 | target); |
3641 | ||
3642 | if (!offload_targets) | |
191ec640 IT |
3643 | { |
3644 | offload_targets = target; | |
3645 | target = NULL; | |
3646 | } | |
c713ddc0 BS |
3647 | else |
3648 | { | |
3649 | /* Check that the target hasn't already presented in the list. */ | |
3650 | c = offload_targets; | |
3651 | do | |
3652 | { | |
b08dec2f DH |
3653 | n = strchr (c, ':'); |
3654 | if (n == NULL) | |
3655 | n = strchr (c, '\0'); | |
c713ddc0 | 3656 | |
191ec640 | 3657 | if (next - cur == n - c && strncmp (c, target, n - c) == 0) |
c713ddc0 BS |
3658 | break; |
3659 | ||
3660 | c = n + 1; | |
3661 | } | |
3662 | while (*n); | |
3663 | ||
3664 | /* If duplicate is not found, append the target to the list. */ | |
3665 | if (c > n) | |
3666 | { | |
191ec640 | 3667 | size_t offload_targets_len = strlen (offload_targets); |
c713ddc0 BS |
3668 | offload_targets |
3669 | = XRESIZEVEC (char, offload_targets, | |
a9c23810 TS |
3670 | offload_targets_len + 1 + next - cur + 1); |
3671 | offload_targets[offload_targets_len++] = ':'; | |
3672 | memcpy (offload_targets + offload_targets_len, target, next - cur + 1); | |
c713ddc0 BS |
3673 | } |
3674 | } | |
3675 | ||
3676 | cur = next + 1; | |
3677 | XDELETEVEC (target); | |
3678 | } | |
3679 | } | |
3680 | ||
603349bf JM |
3681 | /* Handle a driver option; arguments and return value as for |
3682 | handle_option. */ | |
3683 | ||
3684 | static bool | |
46625112 | 3685 | driver_handle_option (struct gcc_options *opts, |
d4d24ba4 | 3686 | struct gcc_options *opts_set, |
46625112 | 3687 | const struct cl_decoded_option *decoded, |
603349bf | 3688 | unsigned int lang_mask ATTRIBUTE_UNUSED, int kind, |
a4d8c676 | 3689 | location_t loc, |
d5478783 JM |
3690 | const struct cl_option_handlers *handlers ATTRIBUTE_UNUSED, |
3691 | diagnostic_context *dc) | |
603349bf JM |
3692 | { |
3693 | size_t opt_index = decoded->opt_index; | |
3694 | const char *arg = decoded->arg; | |
3695 | const char *compare_debug_replacement_opt; | |
3696 | int value = decoded->value; | |
3697 | bool validated = false; | |
3698 | bool do_save = true; | |
3699 | ||
46625112 | 3700 | gcc_assert (opts == &global_options); |
d4d24ba4 | 3701 | gcc_assert (opts_set == &global_options_set); |
603349bf | 3702 | gcc_assert (kind == DK_UNSPECIFIED); |
a4d8c676 | 3703 | gcc_assert (loc == UNKNOWN_LOCATION); |
d5478783 | 3704 | gcc_assert (dc == global_dc); |
603349bf JM |
3705 | |
3706 | switch (opt_index) | |
3707 | { | |
3708 | case OPT_dumpspecs: | |
3709 | { | |
3710 | struct spec_list *sl; | |
3711 | init_spec (); | |
3712 | for (sl = specs; sl; sl = sl->next) | |
3713 | printf ("*%s:\n%s\n\n", sl->name, *(sl->ptr_spec)); | |
3714 | if (link_command_spec) | |
3715 | printf ("*link_command:\n%s\n\n", link_command_spec); | |
3716 | exit (0); | |
3717 | } | |
3718 | ||
3719 | case OPT_dumpversion: | |
3720 | printf ("%s\n", spec_version); | |
3721 | exit (0); | |
3722 | ||
3723 | case OPT_dumpmachine: | |
3724 | printf ("%s\n", spec_machine); | |
3725 | exit (0); | |
3726 | ||
e200444e | 3727 | case OPT__version: |
603349bf JM |
3728 | print_version = 1; |
3729 | ||
3730 | /* CPP driver cannot obtain switch from cc1_options. */ | |
3731 | if (is_cpp_driver) | |
3732 | add_preprocessor_option ("--version", strlen ("--version")); | |
3733 | add_assembler_option ("--version", strlen ("--version")); | |
3734 | add_linker_option ("--version", strlen ("--version")); | |
3735 | break; | |
3736 | ||
e200444e | 3737 | case OPT__help: |
603349bf JM |
3738 | print_help_list = 1; |
3739 | ||
3740 | /* CPP driver cannot obtain switch from cc1_options. */ | |
3741 | if (is_cpp_driver) | |
3742 | add_preprocessor_option ("--help", 6); | |
3743 | add_assembler_option ("--help", 6); | |
3744 | add_linker_option ("--help", 6); | |
3745 | break; | |
3746 | ||
e200444e | 3747 | case OPT__help_: |
603349bf JM |
3748 | print_subprocess_help = 2; |
3749 | break; | |
3750 | ||
e200444e | 3751 | case OPT__target_help: |
603349bf JM |
3752 | print_subprocess_help = 1; |
3753 | ||
3754 | /* CPP driver cannot obtain switch from cc1_options. */ | |
3755 | if (is_cpp_driver) | |
3756 | add_preprocessor_option ("--target-help", 13); | |
3757 | add_assembler_option ("--target-help", 13); | |
3758 | add_linker_option ("--target-help", 13); | |
3759 | break; | |
3760 | ||
28b4fc51 | 3761 | case OPT__no_sysroot_suffix: |
603349bf JM |
3762 | case OPT_pass_exit_codes: |
3763 | case OPT_print_search_dirs: | |
3764 | case OPT_print_file_name_: | |
3765 | case OPT_print_prog_name_: | |
3766 | case OPT_print_multi_lib: | |
3767 | case OPT_print_multi_directory: | |
3768 | case OPT_print_sysroot: | |
3769 | case OPT_print_multi_os_directory: | |
e0cdc09f | 3770 | case OPT_print_multiarch: |
603349bf JM |
3771 | case OPT_print_sysroot_headers_suffix: |
3772 | case OPT_time: | |
3773 | case OPT_wrapper: | |
3774 | /* These options set the variables specified in common.opt | |
3775 | automatically, and do not need to be saved for spec | |
3776 | processing. */ | |
3777 | do_save = false; | |
3778 | break; | |
3779 | ||
3780 | case OPT_print_libgcc_file_name: | |
3781 | print_file_name = "libgcc.a"; | |
3782 | do_save = false; | |
3783 | break; | |
3784 | ||
b78e932d L |
3785 | case OPT_fuse_ld_bfd: |
3786 | use_ld = ".bfd"; | |
3787 | break; | |
3788 | ||
3789 | case OPT_fuse_ld_gold: | |
3790 | use_ld = ".gold"; | |
3791 | break; | |
3792 | ||
603349bf JM |
3793 | case OPT_fcompare_debug_second: |
3794 | compare_debug_second = 1; | |
3795 | break; | |
3796 | ||
3797 | case OPT_fcompare_debug: | |
3798 | switch (value) | |
3799 | { | |
3800 | case 0: | |
3801 | compare_debug_replacement_opt = "-fcompare-debug="; | |
3802 | arg = ""; | |
3803 | goto compare_debug_with_arg; | |
3804 | ||
3805 | case 1: | |
3806 | compare_debug_replacement_opt = "-fcompare-debug=-gtoggle"; | |
3807 | arg = "-gtoggle"; | |
3808 | goto compare_debug_with_arg; | |
3809 | ||
3810 | default: | |
3811 | gcc_unreachable (); | |
3812 | } | |
3813 | break; | |
3814 | ||
3815 | case OPT_fcompare_debug_: | |
3816 | compare_debug_replacement_opt = decoded->canonical_option[0]; | |
3817 | compare_debug_with_arg: | |
3818 | gcc_assert (decoded->canonical_option_num_elements == 1); | |
3819 | gcc_assert (arg != NULL); | |
28c14a04 | 3820 | if (*arg) |
603349bf JM |
3821 | compare_debug = 1; |
3822 | else | |
3823 | compare_debug = -1; | |
3824 | if (compare_debug < 0) | |
3825 | compare_debug_opt = NULL; | |
3826 | else | |
3827 | compare_debug_opt = arg; | |
d168aaee | 3828 | save_switch (compare_debug_replacement_opt, 0, NULL, validated, true); |
603349bf JM |
3829 | return true; |
3830 | ||
97aa8bb6 MLI |
3831 | case OPT_fdiagnostics_color_: |
3832 | diagnostic_color_init (dc, value); | |
3833 | break; | |
3834 | ||
603349bf JM |
3835 | case OPT_Wa_: |
3836 | { | |
3837 | int prev, j; | |
3838 | /* Pass the rest of this option to the assembler. */ | |
3839 | ||
3840 | /* Split the argument at commas. */ | |
3841 | prev = 0; | |
3842 | for (j = 0; arg[j]; j++) | |
3843 | if (arg[j] == ',') | |
3844 | { | |
3845 | add_assembler_option (arg + prev, j - prev); | |
3846 | prev = j + 1; | |
3847 | } | |
3848 | ||
3849 | /* Record the part after the last comma. */ | |
3850 | add_assembler_option (arg + prev, j - prev); | |
3851 | } | |
3852 | do_save = false; | |
3853 | break; | |
3854 | ||
3855 | case OPT_Wp_: | |
3856 | { | |
3857 | int prev, j; | |
3858 | /* Pass the rest of this option to the preprocessor. */ | |
3859 | ||
3860 | /* Split the argument at commas. */ | |
3861 | prev = 0; | |
3862 | for (j = 0; arg[j]; j++) | |
3863 | if (arg[j] == ',') | |
3864 | { | |
3865 | add_preprocessor_option (arg + prev, j - prev); | |
3866 | prev = j + 1; | |
3867 | } | |
3868 | ||
3869 | /* Record the part after the last comma. */ | |
3870 | add_preprocessor_option (arg + prev, j - prev); | |
3871 | } | |
3872 | do_save = false; | |
3873 | break; | |
3874 | ||
3875 | case OPT_Wl_: | |
3876 | { | |
3877 | int prev, j; | |
3878 | /* Split the argument at commas. */ | |
3879 | prev = 0; | |
3880 | for (j = 0; arg[j]; j++) | |
3881 | if (arg[j] == ',') | |
3882 | { | |
3883 | add_infile (save_string (arg + prev, j - prev), "*"); | |
3884 | prev = j + 1; | |
3885 | } | |
3886 | /* Record the part after the last comma. */ | |
3887 | add_infile (arg + prev, "*"); | |
3888 | } | |
3889 | do_save = false; | |
3890 | break; | |
3891 | ||
3892 | case OPT_Xlinker: | |
3893 | add_infile (arg, "*"); | |
3894 | do_save = false; | |
3895 | break; | |
3896 | ||
3897 | case OPT_Xpreprocessor: | |
3898 | add_preprocessor_option (arg, strlen (arg)); | |
3899 | do_save = false; | |
3900 | break; | |
3901 | ||
3902 | case OPT_Xassembler: | |
3903 | add_assembler_option (arg, strlen (arg)); | |
3904 | do_save = false; | |
3905 | break; | |
3906 | ||
3907 | case OPT_l: | |
3908 | /* POSIX allows separation of -l and the lib arg; canonicalize | |
3909 | by concatenating -l with its arg */ | |
3910 | add_infile (concat ("-l", arg, NULL), "*"); | |
3911 | do_save = false; | |
3912 | break; | |
3913 | ||
5de8299c JM |
3914 | case OPT_L: |
3915 | /* Similarly, canonicalize -L for linkers that may not accept | |
3916 | separate arguments. */ | |
d168aaee | 3917 | save_switch (concat ("-L", arg, NULL), 0, NULL, validated, true); |
5de8299c JM |
3918 | return true; |
3919 | ||
a350a6c8 IS |
3920 | case OPT_F: |
3921 | /* Likewise -F. */ | |
d168aaee | 3922 | save_switch (concat ("-F", arg, NULL), 0, NULL, validated, true); |
a350a6c8 IS |
3923 | return true; |
3924 | ||
603349bf JM |
3925 | case OPT_save_temps: |
3926 | save_temps_flag = SAVE_TEMPS_CWD; | |
3927 | validated = true; | |
3928 | break; | |
3929 | ||
3930 | case OPT_save_temps_: | |
3931 | if (strcmp (arg, "cwd") == 0) | |
3932 | save_temps_flag = SAVE_TEMPS_CWD; | |
3933 | else if (strcmp (arg, "obj") == 0 | |
3934 | || strcmp (arg, "object") == 0) | |
3935 | save_temps_flag = SAVE_TEMPS_OBJ; | |
3936 | else | |
40fecdd6 | 3937 | fatal_error (input_location, "%qs is an unknown -save-temps option", |
603349bf JM |
3938 | decoded->orig_option_with_args_text); |
3939 | break; | |
3940 | ||
3941 | case OPT_no_canonical_prefixes: | |
3942 | /* Already handled as a special case, so ignored here. */ | |
3943 | do_save = false; | |
3944 | break; | |
3945 | ||
3946 | case OPT_pipe: | |
3947 | validated = true; | |
603349bf JM |
3948 | /* These options set the variables specified in common.opt |
3949 | automatically, but do need to be saved for spec | |
3950 | processing. */ | |
3951 | break; | |
3952 | ||
603349bf JM |
3953 | case OPT_specs_: |
3954 | { | |
3955 | struct user_specs *user = XNEW (struct user_specs); | |
3956 | ||
3957 | user->next = (struct user_specs *) 0; | |
3958 | user->filename = arg; | |
3959 | if (user_specs_tail) | |
3960 | user_specs_tail->next = user; | |
3961 | else | |
3962 | user_specs_head = user; | |
3963 | user_specs_tail = user; | |
3964 | } | |
d168aaee | 3965 | validated = true; |
603349bf JM |
3966 | break; |
3967 | ||
3968 | case OPT__sysroot_: | |
3969 | target_system_root = arg; | |
3970 | target_system_root_changed = 1; | |
3971 | do_save = false; | |
3972 | break; | |
3973 | ||
3974 | case OPT_time_: | |
3975 | if (report_times_to_file) | |
3976 | fclose (report_times_to_file); | |
3977 | report_times_to_file = fopen (arg, "a"); | |
3978 | do_save = false; | |
3979 | break; | |
3980 | ||
3981 | case OPT____: | |
3982 | /* "-###" | |
3983 | This is similar to -v except that there is no execution | |
3984 | of the commands and the echoed arguments are quoted. It | |
3985 | is intended for use in shell scripts to capture the | |
3986 | driver-generated command line. */ | |
3987 | verbose_only_flag++; | |
d5478783 | 3988 | verbose_flag = 1; |
603349bf JM |
3989 | do_save = false; |
3990 | break; | |
3991 | ||
3992 | case OPT_B: | |
3993 | { | |
3994 | size_t len = strlen (arg); | |
3995 | ||
3996 | /* Catch the case where the user has forgotten to append a | |
3997 | directory separator to the path. Note, they may be using | |
3998 | -B to add an executable name prefix, eg "i386-elf-", in | |
3999 | order to distinguish between multiple installations of | |
4000 | GCC in the same directory. Hence we must check to see | |
4001 | if appending a directory separator actually makes a | |
4002 | valid directory name. */ | |
4003 | if (!IS_DIR_SEPARATOR (arg[len - 1]) | |
4004 | && is_directory (arg, false)) | |
4005 | { | |
4006 | char *tmp = XNEWVEC (char, len + 2); | |
4007 | strcpy (tmp, arg); | |
4008 | tmp[len] = DIR_SEPARATOR; | |
4009 | tmp[++len] = 0; | |
4010 | arg = tmp; | |
4011 | } | |
4012 | ||
4013 | add_prefix (&exec_prefixes, arg, NULL, | |
4014 | PREFIX_PRIORITY_B_OPT, 0, 0); | |
4015 | add_prefix (&startfile_prefixes, arg, NULL, | |
4016 | PREFIX_PRIORITY_B_OPT, 0, 0); | |
4017 | add_prefix (&include_prefixes, arg, NULL, | |
4018 | PREFIX_PRIORITY_B_OPT, 0, 0); | |
4019 | } | |
4020 | validated = true; | |
4021 | break; | |
4022 | ||
603349bf JM |
4023 | case OPT_x: |
4024 | spec_lang = arg; | |
4025 | if (!strcmp (spec_lang, "none")) | |
4026 | /* Suppress the warning if -xnone comes after the last input | |
4027 | file, because alternate command interfaces like g++ might | |
4028 | find it useful to place -xnone after each input file. */ | |
4029 | spec_lang = 0; | |
4030 | else | |
4031 | last_language_n_infiles = n_infiles; | |
4032 | do_save = false; | |
4033 | break; | |
4034 | ||
603349bf JM |
4035 | case OPT_o: |
4036 | have_o = 1; | |
4037 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) || defined(HAVE_TARGET_OBJECT_SUFFIX) | |
4038 | arg = convert_filename (arg, ! have_c, 0); | |
4039 | #endif | |
3d00119c | 4040 | output_file = arg; |
603349bf JM |
4041 | /* Save the output name in case -save-temps=obj was used. */ |
4042 | save_temps_prefix = xstrdup (arg); | |
4043 | /* On some systems, ld cannot handle "-o" without a space. So | |
4044 | split the option from its argument. */ | |
d168aaee | 4045 | save_switch ("-o", 1, &arg, validated, true); |
603349bf JM |
4046 | return true; |
4047 | ||
4115076d L |
4048 | #ifdef ENABLE_DEFAULT_PIE |
4049 | case OPT_pie: | |
4050 | /* -pie is turned on by default. */ | |
4051 | #endif | |
4052 | ||
603349bf JM |
4053 | case OPT_static_libgcc: |
4054 | case OPT_shared_libgcc: | |
4055 | case OPT_static_libgfortran: | |
4056 | case OPT_static_libstdc__: | |
4057 | /* These are always valid, since gcc.c itself understands the | |
4058 | first two, gfortranspec.c understands -static-libgfortran and | |
4059 | g++spec.c understands -static-libstdc++ */ | |
4060 | validated = true; | |
4061 | break; | |
4062 | ||
f300e7b8 JH |
4063 | case OPT_fwpa: |
4064 | flag_wpa = ""; | |
4065 | break; | |
4066 | ||
c713ddc0 BS |
4067 | case OPT_foffload_: |
4068 | handle_foffload_option (arg); | |
4069 | break; | |
4070 | ||
603349bf | 4071 | default: |
d9d16a19 JM |
4072 | /* Various driver options need no special processing at this |
4073 | point, having been handled in a prescan above or being | |
4074 | handled by specs. */ | |
4075 | break; | |
603349bf JM |
4076 | } |
4077 | ||
4078 | if (do_save) | |
4079 | save_switch (decoded->canonical_option[0], | |
4080 | decoded->canonical_option_num_elements - 1, | |
d168aaee | 4081 | &decoded->canonical_option[1], validated, true); |
603349bf JM |
4082 | return true; |
4083 | } | |
4084 | ||
efe5e5a0 JM |
4085 | /* Put the driver's standard set of option handlers in *HANDLERS. */ |
4086 | ||
4087 | static void | |
4088 | set_option_handlers (struct cl_option_handlers *handlers) | |
4089 | { | |
4090 | handlers->unknown_option_callback = driver_unknown_option_callback; | |
4091 | handlers->wrong_lang_callback = driver_wrong_lang_callback; | |
a7d0d30f | 4092 | handlers->num_handlers = 3; |
efe5e5a0 JM |
4093 | handlers->handlers[0].handler = driver_handle_option; |
4094 | handlers->handlers[0].mask = CL_DRIVER; | |
a7d0d30f JM |
4095 | handlers->handlers[1].handler = common_handle_option; |
4096 | handlers->handlers[1].mask = CL_COMMON; | |
4097 | handlers->handlers[2].handler = target_handle_option; | |
4098 | handlers->handlers[2].mask = CL_TARGET; | |
efe5e5a0 JM |
4099 | } |
4100 | ||
ed1f651b RS |
4101 | /* Create the vector `switches' and its contents. |
4102 | Store its length in `n_switches'. */ | |
4103 | ||
4104 | static void | |
60cf253a JM |
4105 | process_command (unsigned int decoded_options_count, |
4106 | struct cl_decoded_option *decoded_options) | |
ed1f651b | 4107 | { |
878f32c3 KG |
4108 | const char *temp; |
4109 | char *temp1; | |
fc429b48 | 4110 | char *tooldir_prefix, *tooldir_prefix2; |
ba0c638e SB |
4111 | char *(*get_relative_prefix) (const char *, const char *, |
4112 | const char *) = NULL; | |
603349bf | 4113 | struct cl_option_handlers handlers; |
60cf253a | 4114 | unsigned int j; |
ed1f651b | 4115 | |
9376dd63 | 4116 | gcc_exec_prefix = env.get ("GCC_EXEC_PREFIX"); |
8eebb258 | 4117 | |
ed1f651b RS |
4118 | n_switches = 0; |
4119 | n_infiles = 0; | |
a2a05b0a | 4120 | added_libraries = 0; |
2484b6d2 | 4121 | |
53117a2f RK |
4122 | /* Figure compiler version from version string. */ |
4123 | ||
9218435e | 4124 | compiler_version = temp1 = xstrdup (version_string); |
ad85216e | 4125 | |
878f32c3 | 4126 | for (; *temp1; ++temp1) |
53117a2f | 4127 | { |
878f32c3 | 4128 | if (*temp1 == ' ') |
53117a2f | 4129 | { |
878f32c3 | 4130 | *temp1 = '\0'; |
53117a2f RK |
4131 | break; |
4132 | } | |
4133 | } | |
ed1f651b | 4134 | |
ba0c638e SB |
4135 | /* Handle any -no-canonical-prefixes flag early, to assign the function |
4136 | that builds relative prefixes. This function creates default search | |
4137 | paths that are needed later in normal option handling. */ | |
4138 | ||
e200444e | 4139 | for (j = 1; j < decoded_options_count; j++) |
ba0c638e | 4140 | { |
e200444e | 4141 | if (decoded_options[j].opt_index == OPT_no_canonical_prefixes) |
ba0c638e SB |
4142 | { |
4143 | get_relative_prefix = make_relative_prefix_ignore_links; | |
4144 | break; | |
4145 | } | |
4146 | } | |
4147 | if (! get_relative_prefix) | |
4148 | get_relative_prefix = make_relative_prefix; | |
4149 | ||
0deb20df | 4150 | /* Set up the default search paths. If there is no GCC_EXEC_PREFIX, |
60cf253a JM |
4151 | see if we can create it from the pathname specified in |
4152 | decoded_options[0].arg. */ | |
0deb20df | 4153 | |
a8ee6e2d | 4154 | gcc_libexec_prefix = standard_libexec_prefix; |
0deb20df TT |
4155 | #ifndef VMS |
4156 | /* FIXME: make_relative_prefix doesn't yet work for VMS. */ | |
4157 | if (!gcc_exec_prefix) | |
4158 | { | |
60cf253a | 4159 | gcc_exec_prefix = get_relative_prefix (decoded_options[0].arg, |
ba0c638e SB |
4160 | standard_bindir_prefix, |
4161 | standard_exec_prefix); | |
60cf253a | 4162 | gcc_libexec_prefix = get_relative_prefix (decoded_options[0].arg, |
ba0c638e SB |
4163 | standard_bindir_prefix, |
4164 | standard_libexec_prefix); | |
0deb20df | 4165 | if (gcc_exec_prefix) |
47d33318 | 4166 | xputenv (concat ("GCC_EXEC_PREFIX=", gcc_exec_prefix, NULL)); |
0deb20df | 4167 | } |
a8ee6e2d | 4168 | else |
c7370b83 JM |
4169 | { |
4170 | /* make_relative_prefix requires a program name, but | |
4171 | GCC_EXEC_PREFIX is typically a directory name with a trailing | |
4172 | / (which is ignored by make_relative_prefix), so append a | |
4173 | program name. */ | |
4174 | char *tmp_prefix = concat (gcc_exec_prefix, "gcc", NULL); | |
ba0c638e SB |
4175 | gcc_libexec_prefix = get_relative_prefix (tmp_prefix, |
4176 | standard_exec_prefix, | |
4177 | standard_libexec_prefix); | |
f4c0a303 CD |
4178 | |
4179 | /* The path is unrelocated, so fallback to the original setting. */ | |
4180 | if (!gcc_libexec_prefix) | |
4181 | gcc_libexec_prefix = standard_libexec_prefix; | |
4182 | ||
c7370b83 JM |
4183 | free (tmp_prefix); |
4184 | } | |
a8ee6e2d | 4185 | #else |
0deb20df | 4186 | #endif |
f4c0a303 CD |
4187 | /* From this point onward, gcc_exec_prefix is non-null if the toolchain |
4188 | is relocated. The toolchain was either relocated using GCC_EXEC_PREFIX | |
60cf253a JM |
4189 | or an automatically created GCC_EXEC_PREFIX from |
4190 | decoded_options[0].arg. */ | |
ed1f651b | 4191 | |
a288b143 | 4192 | /* Do language-specific adjustment/addition of flags. */ |
d9d16a19 | 4193 | lang_specific_driver (&decoded_options, &decoded_options_count, |
a288b143 AH |
4194 | &added_libraries); |
4195 | ||
8eebb258 | 4196 | if (gcc_exec_prefix) |
ed1f651b | 4197 | { |
6ed4bb9a | 4198 | int len = strlen (gcc_exec_prefix); |
c5c0b3d9 | 4199 | |
a8ee6e2d | 4200 | if (len > (int) sizeof ("/lib/gcc/") - 1 |
509781a4 | 4201 | && (IS_DIR_SEPARATOR (gcc_exec_prefix[len-1]))) |
6ed4bb9a | 4202 | { |
a8ee6e2d | 4203 | temp = gcc_exec_prefix + len - sizeof ("/lib/gcc/") + 1; |
509781a4 | 4204 | if (IS_DIR_SEPARATOR (*temp) |
ba78087b | 4205 | && filename_ncmp (temp + 1, "lib", 3) == 0 |
509781a4 | 4206 | && IS_DIR_SEPARATOR (temp[4]) |
ba78087b | 4207 | && filename_ncmp (temp + 5, "gcc", 3) == 0) |
a8ee6e2d | 4208 | len -= sizeof ("/lib/gcc/") - 1; |
6ed4bb9a MM |
4209 | } |
4210 | ||
4211 | set_std_prefix (gcc_exec_prefix, len); | |
a8ee6e2d | 4212 | add_prefix (&exec_prefixes, gcc_libexec_prefix, "GCC", |
1a5d37a1 | 4213 | PREFIX_PRIORITY_LAST, 0, 0); |
922a4beb | 4214 | add_prefix (&startfile_prefixes, gcc_exec_prefix, "GCC", |
1a5d37a1 | 4215 | PREFIX_PRIORITY_LAST, 0, 0); |
ed1f651b RS |
4216 | } |
4217 | ||
4218 | /* COMPILER_PATH and LIBRARY_PATH have values | |
4219 | that are lists of directory names with colons. */ | |
4220 | ||
9376dd63 | 4221 | temp = env.get ("COMPILER_PATH"); |
ed1f651b RS |
4222 | if (temp) |
4223 | { | |
878f32c3 | 4224 | const char *startp, *endp; |
e1e4cdc4 | 4225 | char *nstore = (char *) alloca (strlen (temp) + 3); |
ed1f651b RS |
4226 | |
4227 | startp = endp = temp; | |
4228 | while (1) | |
4229 | { | |
f6ec7e54 | 4230 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b | 4231 | { |
d25a45d4 | 4232 | strncpy (nstore, startp, endp - startp); |
ed1f651b | 4233 | if (endp == startp) |
d4f2852f | 4234 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
509781a4 | 4235 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
ed1f651b | 4236 | { |
d25a45d4 KH |
4237 | nstore[endp - startp] = DIR_SEPARATOR; |
4238 | nstore[endp - startp + 1] = 0; | |
ed1f651b RS |
4239 | } |
4240 | else | |
d25a45d4 | 4241 | nstore[endp - startp] = 0; |
922a4beb | 4242 | add_prefix (&exec_prefixes, nstore, 0, |
1a5d37a1 | 4243 | PREFIX_PRIORITY_LAST, 0, 0); |
76391e5a | 4244 | add_prefix (&include_prefixes, nstore, 0, |
1a5d37a1 | 4245 | PREFIX_PRIORITY_LAST, 0, 0); |
ed1f651b RS |
4246 | if (*endp == 0) |
4247 | break; | |
4248 | endp = startp = endp + 1; | |
4249 | } | |
4250 | else | |
4251 | endp++; | |
4252 | } | |
4253 | } | |
4254 | ||
9376dd63 | 4255 | temp = env.get (LIBRARY_PATH_ENV); |
fcc9ad83 | 4256 | if (temp && *cross_compile == '0') |
ed1f651b | 4257 | { |
878f32c3 | 4258 | const char *startp, *endp; |
e1e4cdc4 | 4259 | char *nstore = (char *) alloca (strlen (temp) + 3); |
ed1f651b RS |
4260 | |
4261 | startp = endp = temp; | |
4262 | while (1) | |
4263 | { | |
f6ec7e54 | 4264 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b | 4265 | { |
d25a45d4 | 4266 | strncpy (nstore, startp, endp - startp); |
ed1f651b | 4267 | if (endp == startp) |
d4f2852f | 4268 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
509781a4 | 4269 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
ed1f651b | 4270 | { |
d25a45d4 KH |
4271 | nstore[endp - startp] = DIR_SEPARATOR; |
4272 | nstore[endp - startp + 1] = 0; | |
ed1f651b RS |
4273 | } |
4274 | else | |
d25a45d4 | 4275 | nstore[endp - startp] = 0; |
6496a589 | 4276 | add_prefix (&startfile_prefixes, nstore, NULL, |
1a5d37a1 | 4277 | PREFIX_PRIORITY_LAST, 0, 1); |
ed1f651b RS |
4278 | if (*endp == 0) |
4279 | break; | |
4280 | endp = startp = endp + 1; | |
4281 | } | |
4282 | else | |
4283 | endp++; | |
4284 | } | |
4285 | } | |
4286 | ||
4287 | /* Use LPATH like LIBRARY_PATH (for the CMU build program). */ | |
9376dd63 | 4288 | temp = env.get ("LPATH"); |
fcc9ad83 | 4289 | if (temp && *cross_compile == '0') |
ed1f651b | 4290 | { |
878f32c3 | 4291 | const char *startp, *endp; |
e1e4cdc4 | 4292 | char *nstore = (char *) alloca (strlen (temp) + 3); |
ed1f651b RS |
4293 | |
4294 | startp = endp = temp; | |
4295 | while (1) | |
4296 | { | |
f6ec7e54 | 4297 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b | 4298 | { |
d25a45d4 | 4299 | strncpy (nstore, startp, endp - startp); |
ed1f651b | 4300 | if (endp == startp) |
d4f2852f | 4301 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
509781a4 | 4302 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
ed1f651b | 4303 | { |
d25a45d4 KH |
4304 | nstore[endp - startp] = DIR_SEPARATOR; |
4305 | nstore[endp - startp + 1] = 0; | |
ed1f651b RS |
4306 | } |
4307 | else | |
d25a45d4 | 4308 | nstore[endp - startp] = 0; |
6496a589 | 4309 | add_prefix (&startfile_prefixes, nstore, NULL, |
1a5d37a1 | 4310 | PREFIX_PRIORITY_LAST, 0, 1); |
ed1f651b RS |
4311 | if (*endp == 0) |
4312 | break; | |
4313 | endp = startp = endp + 1; | |
4314 | } | |
4315 | else | |
4316 | endp++; | |
4317 | } | |
4318 | } | |
4319 | ||
922e1882 JM |
4320 | /* Process the options and store input files and switches in their |
4321 | vectors. */ | |
4322 | ||
4323 | last_language_n_infiles = -1; | |
ed1f651b | 4324 | |
efe5e5a0 | 4325 | set_option_handlers (&handlers); |
fe7df9c4 | 4326 | |
603349bf JM |
4327 | for (j = 1; j < decoded_options_count; j++) |
4328 | { | |
4329 | switch (decoded_options[j].opt_index) | |
99f78cdd | 4330 | { |
603349bf JM |
4331 | case OPT_S: |
4332 | case OPT_c: | |
4333 | case OPT_E: | |
4334 | have_c = 1; | |
4335 | break; | |
99f78cdd | 4336 | } |
603349bf JM |
4337 | if (have_c) |
4338 | break; | |
4339 | } | |
ed1f651b | 4340 | |
603349bf JM |
4341 | for (j = 1; j < decoded_options_count; j++) |
4342 | { | |
4343 | if (decoded_options[j].opt_index == OPT_SPECIAL_input_file) | |
3a265431 | 4344 | { |
603349bf JM |
4345 | const char *arg = decoded_options[j].arg; |
4346 | const char *p = strrchr (arg, '@'); | |
922e1882 JM |
4347 | char *fname; |
4348 | long offset; | |
4349 | int consumed; | |
4350 | #ifdef HAVE_TARGET_OBJECT_SUFFIX | |
603349bf | 4351 | arg = convert_filename (arg, 0, access (arg, F_OK)); |
922e1882 JM |
4352 | #endif |
4353 | /* For LTO static archive support we handle input file | |
4354 | specifications that are composed of a filename and | |
4355 | an offset like FNAME@OFFSET. */ | |
4356 | if (p | |
603349bf | 4357 | && p != arg |
922e1882 JM |
4358 | && sscanf (p, "@%li%n", &offset, &consumed) >= 1 |
4359 | && strlen (p) == (unsigned int)consumed) | |
4360 | { | |
603349bf JM |
4361 | fname = (char *)xmalloc (p - arg + 1); |
4362 | memcpy (fname, arg, p - arg); | |
4363 | fname[p - arg] = '\0'; | |
922e1882 JM |
4364 | /* Only accept non-stdin and existing FNAME parts, otherwise |
4365 | try with the full name. */ | |
4366 | if (strcmp (fname, "-") == 0 || access (fname, F_OK) < 0) | |
4367 | { | |
4368 | free (fname); | |
603349bf | 4369 | fname = xstrdup (arg); |
922e1882 JM |
4370 | } |
4371 | } | |
4372 | else | |
603349bf | 4373 | fname = xstrdup (arg); |
d168aaee | 4374 | |
922e1882 JM |
4375 | if (strcmp (fname, "-") != 0 && access (fname, F_OK) < 0) |
4376 | perror_with_name (fname); | |
4377 | else | |
603349bf | 4378 | add_infile (arg, spec_lang); |
922e1882 JM |
4379 | |
4380 | free (fname); | |
603349bf | 4381 | continue; |
3a265431 | 4382 | } |
603349bf | 4383 | |
d4d24ba4 | 4384 | read_cmdline_option (&global_options, &global_options_set, |
a4d8c676 JM |
4385 | decoded_options + j, UNKNOWN_LOCATION, |
4386 | CL_DRIVER, &handlers, global_dc); | |
ed1f651b RS |
4387 | } |
4388 | ||
64186aad TS |
4389 | #ifdef ENABLE_OFFLOADING |
4390 | /* If the user didn't specify any, default to all configured offload | |
4391 | targets. */ | |
4392 | if (offload_targets == NULL) | |
4393 | handle_foffload_option (OFFLOAD_TARGETS); | |
4394 | #endif | |
4395 | ||
92c66d83 MLI |
4396 | if (output_file |
4397 | && strcmp (output_file, "-") != 0 | |
4398 | && strcmp (output_file, HOST_BIT_BUCKET) != 0) | |
3d00119c AB |
4399 | { |
4400 | int i; | |
4401 | for (i = 0; i < n_infiles; i++) | |
4402 | if ((!infiles[i].language || infiles[i].language[0] != '*') | |
4403 | && canonical_filename_eq (infiles[i].name, output_file)) | |
40fecdd6 JM |
4404 | fatal_error (input_location, |
4405 | "input file %qs is the same as output file", | |
3d00119c AB |
4406 | output_file); |
4407 | } | |
4408 | ||
14fdc613 MM |
4409 | /* If -save-temps=obj and -o name, create the prefix to use for %b. |
4410 | Otherwise just make -save-temps=obj the same as -save-temps=cwd. */ | |
4411 | if (save_temps_flag == SAVE_TEMPS_OBJ && save_temps_prefix != NULL) | |
4412 | { | |
4413 | save_temps_length = strlen (save_temps_prefix); | |
4414 | temp = strrchr (lbasename (save_temps_prefix), '.'); | |
4415 | if (temp) | |
4416 | { | |
4417 | save_temps_length -= strlen (temp); | |
4418 | save_temps_prefix[save_temps_length] = '\0'; | |
4419 | } | |
4420 | ||
4421 | } | |
4422 | else if (save_temps_prefix != NULL) | |
4423 | { | |
4424 | free (save_temps_prefix); | |
4425 | save_temps_prefix = NULL; | |
4426 | } | |
4427 | ||
054e88a8 | 4428 | if (save_temps_flag && use_pipes) |
4977bab6 ZW |
4429 | { |
4430 | /* -save-temps overrides -pipe, so that temp files are produced */ | |
4431 | if (save_temps_flag) | |
2dec80c7 | 4432 | warning (0, "-pipe ignored because -save-temps specified"); |
4977bab6 ZW |
4433 | use_pipes = 0; |
4434 | } | |
1d088dee | 4435 | |
2153915d AO |
4436 | if (!compare_debug) |
4437 | { | |
9376dd63 | 4438 | const char *gcd = env.get ("GCC_COMPARE_DEBUG"); |
2153915d AO |
4439 | |
4440 | if (gcd && gcd[0] == '-') | |
4441 | { | |
4442 | compare_debug = 2; | |
4443 | compare_debug_opt = gcd; | |
2153915d AO |
4444 | } |
4445 | else if (gcd && *gcd && strcmp (gcd, "0")) | |
4446 | { | |
4447 | compare_debug = 3; | |
4448 | compare_debug_opt = "-gtoggle"; | |
2153915d AO |
4449 | } |
4450 | } | |
4451 | else if (compare_debug < 0) | |
4452 | { | |
4453 | compare_debug = 0; | |
4454 | gcc_assert (!compare_debug_opt); | |
4455 | } | |
4456 | ||
f4c0a303 CD |
4457 | /* Set up the search paths. We add directories that we expect to |
4458 | contain GNU Toolchain components before directories specified by | |
4459 | the machine description so that we will find GNU components (like | |
b8698a0f | 4460 | the GNU assembler) before those of the host system. */ |
ed1f651b | 4461 | |
f4c0a303 CD |
4462 | /* If we don't know where the toolchain has been installed, use the |
4463 | configured-in locations. */ | |
4464 | if (!gcc_exec_prefix) | |
4465 | { | |
48ff801b | 4466 | #ifndef OS2 |
f4c0a303 CD |
4467 | add_prefix (&exec_prefixes, standard_libexec_prefix, "GCC", |
4468 | PREFIX_PRIORITY_LAST, 1, 0); | |
4469 | add_prefix (&exec_prefixes, standard_libexec_prefix, "BINUTILS", | |
4470 | PREFIX_PRIORITY_LAST, 2, 0); | |
4471 | add_prefix (&exec_prefixes, standard_exec_prefix, "BINUTILS", | |
4472 | PREFIX_PRIORITY_LAST, 2, 0); | |
48ff801b | 4473 | #endif |
f4c0a303 CD |
4474 | add_prefix (&startfile_prefixes, standard_exec_prefix, "BINUTILS", |
4475 | PREFIX_PRIORITY_LAST, 1, 0); | |
4476 | } | |
ed1f651b | 4477 | |
f4c0a303 | 4478 | gcc_assert (!IS_ABSOLUTE_PATH (tooldir_base_prefix)); |
89f54035 | 4479 | tooldir_prefix2 = concat (tooldir_base_prefix, spec_machine, |
fc429b48 | 4480 | dir_separator_str, NULL); |
c648ab8a | 4481 | |
f4c0a303 CD |
4482 | /* Look for tools relative to the location from which the driver is |
4483 | running, or, if that is not available, the configured prefix. */ | |
4484 | tooldir_prefix | |
4485 | = concat (gcc_exec_prefix ? gcc_exec_prefix : standard_exec_prefix, | |
fc8b3540 IV |
4486 | spec_host_machine, dir_separator_str, spec_version, |
4487 | accel_dir_suffix, dir_separator_str, tooldir_prefix2, NULL); | |
fc429b48 | 4488 | free (tooldir_prefix2); |
c648ab8a | 4489 | |
9218435e | 4490 | add_prefix (&exec_prefixes, |
d4f2852f | 4491 | concat (tooldir_prefix, "bin", dir_separator_str, NULL), |
1a5d37a1 | 4492 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, 0); |
48ff801b | 4493 | add_prefix (&startfile_prefixes, |
d4f2852f | 4494 | concat (tooldir_prefix, "lib", dir_separator_str, NULL), |
1a5d37a1 | 4495 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, 1); |
fc429b48 | 4496 | free (tooldir_prefix); |
f18fd956 | 4497 | |
047d636f DJ |
4498 | #if defined(TARGET_SYSTEM_ROOT_RELOCATABLE) && !defined(VMS) |
4499 | /* If the normal TARGET_SYSTEM_ROOT is inside of $exec_prefix, | |
4500 | then consider it to relocate with the rest of the GCC installation | |
4501 | if GCC_EXEC_PREFIX is set. | |
4502 | ``make_relative_prefix'' is not compiled for VMS, so don't call it. */ | |
922e1882 | 4503 | if (target_system_root && !target_system_root_changed && gcc_exec_prefix) |
4977bab6 | 4504 | { |
60cf253a | 4505 | char *tmp_prefix = get_relative_prefix (decoded_options[0].arg, |
ba0c638e SB |
4506 | standard_bindir_prefix, |
4507 | target_system_root); | |
4977bab6 | 4508 | if (tmp_prefix && access_check (tmp_prefix, F_OK) == 0) |
047d636f DJ |
4509 | { |
4510 | target_system_root = tmp_prefix; | |
4511 | target_system_root_changed = 1; | |
4512 | } | |
4977bab6 | 4513 | } |
047d636f | 4514 | #endif |
4977bab6 | 4515 | |
004fd4d5 RS |
4516 | /* More prefixes are enabled in main, after we read the specs file |
4517 | and determine whether this is cross-compilation or not. */ | |
ed1f651b | 4518 | |
fa0d5369 | 4519 | if (n_infiles == last_language_n_infiles && spec_lang != 0) |
bdc6b402 | 4520 | warning (0, "%<-x %s%> after last input file has no effect", spec_lang); |
ed1f651b | 4521 | |
3ad2d621 DG |
4522 | /* Synthesize -fcompare-debug flag from the GCC_COMPARE_DEBUG |
4523 | environment variable. */ | |
2153915d AO |
4524 | if (compare_debug == 2 || compare_debug == 3) |
4525 | { | |
3ad2d621 DG |
4526 | const char *opt = concat ("-fcompare-debug=", compare_debug_opt, NULL); |
4527 | save_switch (opt, 0, NULL, false, true); | |
2153915d AO |
4528 | compare_debug = 1; |
4529 | } | |
4530 | ||
69927b59 | 4531 | /* Ensure we only invoke each subprocess once. */ |
41fd0f9b | 4532 | if (print_subprocess_help || print_help_list || print_version) |
69927b59 | 4533 | { |
922e1882 | 4534 | n_infiles = 0; |
69927b59 | 4535 | |
c662432e NC |
4536 | /* Create a dummy input file, so that we can pass |
4537 | the help option on to the various sub-processes. */ | |
922e1882 | 4538 | add_infile ("help-dummy", "c"); |
69927b59 NB |
4539 | } |
4540 | ||
922e1882 | 4541 | alloc_switch (); |
ed1f651b | 4542 | switches[n_switches].part1 = 0; |
922e1882 | 4543 | alloc_infile (); |
ed1f651b RS |
4544 | infiles[n_infiles].name = 0; |
4545 | } | |
b856c15d | 4546 | |
4977bab6 | 4547 | /* Store switches not filtered out by %<S in spec in COLLECT_GCC_OPTIONS |
b856c15d RO |
4548 | and place that in the environment. */ |
4549 | ||
4550 | static void | |
1d088dee | 4551 | set_collect_gcc_options (void) |
b856c15d RO |
4552 | { |
4553 | int i; | |
4554 | int first_time; | |
4555 | ||
4556 | /* Build COLLECT_GCC_OPTIONS to have all of the options specified to | |
4557 | the compiler. */ | |
4558 | obstack_grow (&collect_obstack, "COLLECT_GCC_OPTIONS=", | |
4559 | sizeof ("COLLECT_GCC_OPTIONS=") - 1); | |
4560 | ||
4561 | first_time = TRUE; | |
4562 | for (i = 0; (int) i < n_switches; i++) | |
4563 | { | |
4564 | const char *const *args; | |
4565 | const char *p, *q; | |
4566 | if (!first_time) | |
4567 | obstack_grow (&collect_obstack, " ", 1); | |
4568 | ||
4569 | first_time = FALSE; | |
4570 | ||
4571 | /* Ignore elided switches. */ | |
96f5b137 L |
4572 | if ((switches[i].live_cond |
4573 | & (SWITCH_IGNORE | SWITCH_KEEP_FOR_GCC)) | |
4574 | == SWITCH_IGNORE) | |
b856c15d RO |
4575 | continue; |
4576 | ||
4577 | obstack_grow (&collect_obstack, "'-", 2); | |
4578 | q = switches[i].part1; | |
4579 | while ((p = strchr (q, '\''))) | |
4580 | { | |
4581 | obstack_grow (&collect_obstack, q, p - q); | |
4582 | obstack_grow (&collect_obstack, "'\\''", 4); | |
4583 | q = ++p; | |
4584 | } | |
4585 | obstack_grow (&collect_obstack, q, strlen (q)); | |
4586 | obstack_grow (&collect_obstack, "'", 1); | |
4587 | ||
4588 | for (args = switches[i].args; args && *args; args++) | |
4589 | { | |
4590 | obstack_grow (&collect_obstack, " '", 2); | |
4591 | q = *args; | |
4592 | while ((p = strchr (q, '\''))) | |
4593 | { | |
4594 | obstack_grow (&collect_obstack, q, p - q); | |
4595 | obstack_grow (&collect_obstack, "'\\''", 4); | |
4596 | q = ++p; | |
4597 | } | |
4598 | obstack_grow (&collect_obstack, q, strlen (q)); | |
4599 | obstack_grow (&collect_obstack, "'", 1); | |
4600 | } | |
4601 | } | |
4602 | obstack_grow (&collect_obstack, "\0", 1); | |
47d33318 | 4603 | xputenv (XOBFINISH (&collect_obstack, char *)); |
b856c15d | 4604 | } |
ed1f651b RS |
4605 | \f |
4606 | /* Process a spec string, accumulating and running commands. */ | |
4607 | ||
4608 | /* These variables describe the input file name. | |
4609 | input_file_number is the index on outfiles of this file, | |
4610 | so that the output file name can be stored for later use by %o. | |
4611 | input_basename is the start of the part of the input file | |
4612 | sans all directory names, and basename_length is the number | |
4613 | of characters starting there excluding the suffix .c or whatever. */ | |
4614 | ||
6afbc885 | 4615 | static const char *gcc_input_filename; |
ed1f651b | 4616 | static int input_file_number; |
f271358e | 4617 | size_t input_filename_length; |
ed1f651b | 4618 | static int basename_length; |
ea414c97 | 4619 | static int suffixed_basename_length; |
878f32c3 KG |
4620 | static const char *input_basename; |
4621 | static const char *input_suffix; | |
a9024779 | 4622 | #ifndef HOST_LACKS_INODE_NUMBERS |
99f78cdd | 4623 | static struct stat input_stat; |
a9024779 | 4624 | #endif |
99f78cdd | 4625 | static int input_stat_set; |
ed1f651b | 4626 | |
a9374841 MM |
4627 | /* The compiler used to process the current input file. */ |
4628 | static struct compiler *input_file_compiler; | |
4629 | ||
ed1f651b RS |
4630 | /* These are variables used within do_spec and do_spec_1. */ |
4631 | ||
4632 | /* Nonzero if an arg has been started and not yet terminated | |
4633 | (with space, tab or newline). */ | |
4634 | static int arg_going; | |
4635 | ||
4636 | /* Nonzero means %d or %g has been seen; the next arg to be terminated | |
4637 | is a temporary file name. */ | |
4638 | static int delete_this_arg; | |
4639 | ||
4640 | /* Nonzero means %w has been seen; the next arg to be terminated | |
4641 | is the output file name of this compilation. */ | |
4642 | static int this_is_output_file; | |
4643 | ||
4644 | /* Nonzero means %s has been seen; the next arg to be terminated | |
4645 | is the name of a library file and we should try the standard | |
4646 | search dirs for it. */ | |
4647 | static int this_is_library_file; | |
4648 | ||
3beb864c NC |
4649 | /* Nonzero means %T has been seen; the next arg to be terminated |
4650 | is the name of a linker script and we should try all of the | |
4651 | standard search dirs for it. If it is found insert a --script | |
4652 | command line switch and then substitute the full path in place, | |
4653 | otherwise generate an error message. */ | |
4654 | static int this_is_linker_script; | |
4655 | ||
a99bf70c JW |
4656 | /* Nonzero means that the input of this command is coming from a pipe. */ |
4657 | static int input_from_pipe; | |
4658 | ||
11972f66 | 4659 | /* Nonnull means substitute this for any suffix when outputting a switches |
dc297297 | 4660 | arguments. */ |
11972f66 NS |
4661 | static const char *suffix_subst; |
4662 | ||
13e7cedb DH |
4663 | /* If there is an argument being accumulated, terminate it and store it. */ |
4664 | ||
4665 | static void | |
4666 | end_going_arg (void) | |
4667 | { | |
4668 | if (arg_going) | |
4669 | { | |
4670 | const char *string; | |
4671 | ||
4672 | obstack_1grow (&obstack, 0); | |
4673 | string = XOBFINISH (&obstack, const char *); | |
4674 | if (this_is_library_file) | |
4675 | string = find_file (string); | |
3beb864c NC |
4676 | if (this_is_linker_script) |
4677 | { | |
4678 | char * full_script_path = find_a_file (&startfile_prefixes, string, R_OK, true); | |
4679 | ||
4680 | if (full_script_path == NULL) | |
4681 | { | |
bdc6b402 | 4682 | error ("unable to locate default linker script %qs in the library search paths", string); |
3beb864c NC |
4683 | /* Script was not found on search path. */ |
4684 | return; | |
4685 | } | |
4686 | store_arg ("--script", false, false); | |
4687 | string = full_script_path; | |
4688 | } | |
13e7cedb DH |
4689 | store_arg (string, delete_this_arg, this_is_output_file); |
4690 | if (this_is_output_file) | |
4691 | outfiles[input_file_number] = string; | |
4692 | arg_going = 0; | |
4693 | } | |
4694 | } | |
4695 | ||
fe7df9c4 SP |
4696 | |
4697 | /* Parse the WRAPPER string which is a comma separated list of the command line | |
4698 | and insert them into the beginning of argbuf. */ | |
4699 | ||
4700 | static void | |
4701 | insert_wrapper (const char *wrapper) | |
4702 | { | |
4703 | int n = 0; | |
4704 | int i; | |
4705 | char *buf = xstrdup (wrapper); | |
4706 | char *p = buf; | |
9771b263 | 4707 | unsigned int old_length = argbuf.length (); |
fe7df9c4 SP |
4708 | |
4709 | do | |
4710 | { | |
4711 | n++; | |
4712 | while (*p == ',') | |
4713 | p++; | |
4714 | } | |
4715 | while ((p = strchr (p, ',')) != NULL); | |
4716 | ||
9771b263 DN |
4717 | argbuf.safe_grow (old_length + n); |
4718 | memmove (argbuf.address () + n, | |
4719 | argbuf.address (), | |
5b634ee0 | 4720 | old_length * sizeof (const_char_p)); |
fe7df9c4 SP |
4721 | |
4722 | i = 0; | |
4723 | p = buf; | |
4724 | do | |
4725 | { | |
4726 | while (*p == ',') | |
4727 | { | |
4728 | *p = 0; | |
4729 | p++; | |
4730 | } | |
9771b263 | 4731 | argbuf[i] = p; |
5b634ee0 | 4732 | i++; |
fe7df9c4 SP |
4733 | } |
4734 | while ((p = strchr (p, ',')) != NULL); | |
4735 | gcc_assert (i == n); | |
fe7df9c4 SP |
4736 | } |
4737 | ||
ed1f651b RS |
4738 | /* Process the spec SPEC and run the commands specified therein. |
4739 | Returns 0 if the spec is successfully processed; -1 if failed. */ | |
4740 | ||
f271358e | 4741 | int |
1d088dee | 4742 | do_spec (const char *spec) |
ed1f651b RS |
4743 | { |
4744 | int value; | |
4745 | ||
343f59d9 | 4746 | value = do_spec_2 (spec); |
ed1f651b RS |
4747 | |
4748 | /* Force out any unfinished command. | |
4749 | If -pipe, this forces out the last command if it ended in `|'. */ | |
4750 | if (value == 0) | |
4751 | { | |
9771b263 DN |
4752 | if (argbuf.length () > 0 |
4753 | && !strcmp (argbuf.last (), "|")) | |
4754 | argbuf.pop (); | |
ed1f651b | 4755 | |
b856c15d RO |
4756 | set_collect_gcc_options (); |
4757 | ||
9771b263 | 4758 | if (argbuf.length () > 0) |
ed1f651b RS |
4759 | value = execute (); |
4760 | } | |
4761 | ||
4762 | return value; | |
4763 | } | |
4764 | ||
343f59d9 | 4765 | static int |
1d088dee | 4766 | do_spec_2 (const char *spec) |
343f59d9 | 4767 | { |
6544fbcb RS |
4768 | int result; |
4769 | ||
343f59d9 AM |
4770 | clear_args (); |
4771 | arg_going = 0; | |
4772 | delete_this_arg = 0; | |
4773 | this_is_output_file = 0; | |
4774 | this_is_library_file = 0; | |
3beb864c | 4775 | this_is_linker_script = 0; |
343f59d9 AM |
4776 | input_from_pipe = 0; |
4777 | suffix_subst = NULL; | |
4778 | ||
6544fbcb RS |
4779 | result = do_spec_1 (spec, 0, NULL); |
4780 | ||
13e7cedb | 4781 | end_going_arg (); |
6544fbcb RS |
4782 | |
4783 | return result; | |
343f59d9 AM |
4784 | } |
4785 | ||
db36994b | 4786 | |
7816bea0 DJ |
4787 | /* Process the given spec string and add any new options to the end |
4788 | of the switches/n_switches array. */ | |
4789 | ||
4790 | static void | |
1d088dee | 4791 | do_option_spec (const char *name, const char *spec) |
7816bea0 DJ |
4792 | { |
4793 | unsigned int i, value_count, value_len; | |
4794 | const char *p, *q, *value; | |
4795 | char *tmp_spec, *tmp_spec_p; | |
4796 | ||
4797 | if (configure_default_options[0].name == NULL) | |
4798 | return; | |
4799 | ||
4800 | for (i = 0; i < ARRAY_SIZE (configure_default_options); i++) | |
4801 | if (strcmp (configure_default_options[i].name, name) == 0) | |
4802 | break; | |
4803 | if (i == ARRAY_SIZE (configure_default_options)) | |
4804 | return; | |
4805 | ||
4806 | value = configure_default_options[i].value; | |
4807 | value_len = strlen (value); | |
4808 | ||
4809 | /* Compute the size of the final spec. */ | |
4810 | value_count = 0; | |
4811 | p = spec; | |
4812 | while ((p = strstr (p, "%(VALUE)")) != NULL) | |
4813 | { | |
4814 | p ++; | |
4815 | value_count ++; | |
4816 | } | |
4817 | ||
4818 | /* Replace each %(VALUE) by the specified value. */ | |
e1e4cdc4 | 4819 | tmp_spec = (char *) alloca (strlen (spec) + 1 |
7816bea0 DJ |
4820 | + value_count * (value_len - strlen ("%(VALUE)"))); |
4821 | tmp_spec_p = tmp_spec; | |
4822 | q = spec; | |
4823 | while ((p = strstr (q, "%(VALUE)")) != NULL) | |
4824 | { | |
4825 | memcpy (tmp_spec_p, q, p - q); | |
4826 | tmp_spec_p = tmp_spec_p + (p - q); | |
4827 | memcpy (tmp_spec_p, value, value_len); | |
4828 | tmp_spec_p += value_len; | |
4829 | q = p + strlen ("%(VALUE)"); | |
4830 | } | |
4831 | strcpy (tmp_spec_p, q); | |
4832 | ||
4833 | do_self_spec (tmp_spec); | |
4834 | } | |
4835 | ||
db36994b RS |
4836 | /* Process the given spec string and add any new options to the end |
4837 | of the switches/n_switches array. */ | |
4838 | ||
4839 | static void | |
1d088dee | 4840 | do_self_spec (const char *spec) |
db36994b | 4841 | { |
94b90527 JJ |
4842 | int i; |
4843 | ||
db36994b RS |
4844 | do_spec_2 (spec); |
4845 | do_spec_1 (" ", 0, NULL); | |
4846 | ||
94b90527 JJ |
4847 | /* Mark %<S switches processed by do_self_spec to be ignored permanently. |
4848 | do_self_specs adds the replacements to switches array, so it shouldn't | |
4849 | be processed afterwards. */ | |
4850 | for (i = 0; i < n_switches; i++) | |
4851 | if ((switches[i].live_cond & SWITCH_IGNORE)) | |
4852 | switches[i].live_cond |= SWITCH_IGNORE_PERMANENTLY; | |
4853 | ||
9771b263 | 4854 | if (argbuf.length () > 0) |
db36994b | 4855 | { |
efe5e5a0 JM |
4856 | const char **argbuf_copy; |
4857 | struct cl_decoded_option *decoded_options; | |
4858 | struct cl_option_handlers handlers; | |
4859 | unsigned int decoded_options_count; | |
4860 | unsigned int j; | |
db36994b | 4861 | |
efe5e5a0 JM |
4862 | /* Create a copy of argbuf with a dummy argv[0] entry for |
4863 | decode_cmdline_options_to_array. */ | |
5b634ee0 | 4864 | argbuf_copy = XNEWVEC (const char *, |
9771b263 | 4865 | argbuf.length () + 1); |
efe5e5a0 | 4866 | argbuf_copy[0] = ""; |
9771b263 DN |
4867 | memcpy (argbuf_copy + 1, argbuf.address (), |
4868 | argbuf.length () * sizeof (const char *)); | |
db36994b | 4869 | |
9771b263 | 4870 | decode_cmdline_options_to_array (argbuf.length () + 1, |
5b634ee0 | 4871 | argbuf_copy, |
efe5e5a0 JM |
4872 | CL_DRIVER, &decoded_options, |
4873 | &decoded_options_count); | |
fc429b48 | 4874 | free (argbuf_copy); |
2153915d | 4875 | |
efe5e5a0 | 4876 | set_option_handlers (&handlers); |
2153915d | 4877 | |
efe5e5a0 JM |
4878 | for (j = 1; j < decoded_options_count; j++) |
4879 | { | |
4880 | switch (decoded_options[j].opt_index) | |
2153915d | 4881 | { |
efe5e5a0 JM |
4882 | case OPT_SPECIAL_input_file: |
4883 | /* Specs should only generate options, not input | |
4884 | files. */ | |
4885 | if (strcmp (decoded_options[j].arg, "-") != 0) | |
40fecdd6 JM |
4886 | fatal_error (input_location, |
4887 | "switch %qs does not start with %<-%>", | |
efe5e5a0 JM |
4888 | decoded_options[j].arg); |
4889 | else | |
40fecdd6 JM |
4890 | fatal_error (input_location, |
4891 | "spec-generated switch is just %<-%>"); | |
efe5e5a0 | 4892 | break; |
2153915d | 4893 | |
efe5e5a0 JM |
4894 | case OPT_fcompare_debug_second: |
4895 | case OPT_fcompare_debug: | |
4896 | case OPT_fcompare_debug_: | |
4897 | case OPT_o: | |
4898 | /* Avoid duplicate processing of some options from | |
4899 | compare-debug specs; just save them here. */ | |
4900 | save_switch (decoded_options[j].canonical_option[0], | |
4901 | (decoded_options[j].canonical_option_num_elements | |
4902 | - 1), | |
d168aaee | 4903 | &decoded_options[j].canonical_option[1], false, true); |
efe5e5a0 JM |
4904 | break; |
4905 | ||
4906 | default: | |
4907 | read_cmdline_option (&global_options, &global_options_set, | |
a4d8c676 JM |
4908 | decoded_options + j, UNKNOWN_LOCATION, |
4909 | CL_DRIVER, &handlers, global_dc); | |
efe5e5a0 | 4910 | break; |
2153915d | 4911 | } |
db36994b | 4912 | } |
2153915d | 4913 | |
2cb844ce DM |
4914 | free (decoded_options); |
4915 | ||
efe5e5a0 | 4916 | alloc_switch (); |
2153915d | 4917 | switches[n_switches].part1 = 0; |
db36994b RS |
4918 | } |
4919 | } | |
4920 | ||
00dcee0c AM |
4921 | /* Callback for processing %D and %I specs. */ |
4922 | ||
4923 | struct spec_path_info { | |
4924 | const char *option; | |
4925 | const char *append; | |
4926 | size_t append_len; | |
4927 | bool omit_relative; | |
4928 | bool separate_options; | |
4929 | }; | |
4930 | ||
4931 | static void * | |
4932 | spec_path (char *path, void *data) | |
76391e5a | 4933 | { |
e1e4cdc4 | 4934 | struct spec_path_info *info = (struct spec_path_info *) data; |
00dcee0c AM |
4935 | size_t len = 0; |
4936 | char save = 0; | |
76391e5a | 4937 | |
00dcee0c AM |
4938 | if (info->omit_relative && !IS_ABSOLUTE_PATH (path)) |
4939 | return NULL; | |
4940 | ||
4941 | if (info->append_len != 0) | |
76391e5a | 4942 | { |
00dcee0c AM |
4943 | len = strlen (path); |
4944 | memcpy (path + len, info->append, info->append_len + 1); | |
76391e5a PB |
4945 | } |
4946 | ||
00dcee0c AM |
4947 | if (!is_directory (path, true)) |
4948 | return NULL; | |
76391e5a | 4949 | |
00dcee0c AM |
4950 | do_spec_1 (info->option, 1, NULL); |
4951 | if (info->separate_options) | |
4952 | do_spec_1 (" ", 0, NULL); | |
4953 | ||
4954 | if (info->append_len == 0) | |
76391e5a | 4955 | { |
00dcee0c AM |
4956 | len = strlen (path); |
4957 | save = path[len - 1]; | |
4958 | if (IS_DIR_SEPARATOR (path[len - 1])) | |
4959 | path[len - 1] = '\0'; | |
76391e5a | 4960 | } |
00dcee0c AM |
4961 | |
4962 | do_spec_1 (path, 1, NULL); | |
4963 | do_spec_1 (" ", 0, NULL); | |
4964 | ||
4965 | /* Must not damage the original path. */ | |
4966 | if (info->append_len == 0) | |
4967 | path[len - 1] = save; | |
4968 | ||
4969 | return NULL; | |
76391e5a PB |
4970 | } |
4971 | ||
5a691e98 RAE |
4972 | /* Create a temporary FILE with the contents of ARGV. Add @FILE to the |
4973 | argument list. */ | |
4974 | ||
4975 | static void | |
4976 | create_at_file (char **argv) | |
4977 | { | |
4978 | char *temp_file = make_temp_file (""); | |
4979 | char *at_argument = concat ("@", temp_file, NULL); | |
4980 | FILE *f = fopen (temp_file, "w"); | |
4981 | int status; | |
4982 | ||
4983 | if (f == NULL) | |
40fecdd6 | 4984 | fatal_error (input_location, "could not open temporary response file %s", |
2dec80c7 | 4985 | temp_file); |
5a691e98 RAE |
4986 | |
4987 | status = writeargv (argv, f); | |
4988 | ||
4989 | if (status) | |
40fecdd6 JM |
4990 | fatal_error (input_location, |
4991 | "could not write to temporary response file %s", | |
2dec80c7 | 4992 | temp_file); |
5a691e98 RAE |
4993 | |
4994 | status = fclose (f); | |
4995 | ||
4996 | if (EOF == status) | |
40fecdd6 | 4997 | fatal_error (input_location, "could not close temporary response file %s", |
2dec80c7 | 4998 | temp_file); |
5a691e98 RAE |
4999 | |
5000 | store_arg (at_argument, 0, 0); | |
5001 | ||
5002 | record_temp_file (temp_file, !save_temps_flag, !save_temps_flag); | |
5003 | } | |
5004 | ||
5005 | /* True if we should compile INFILE. */ | |
5006 | ||
5007 | static bool | |
5008 | compile_input_file_p (struct infile *infile) | |
5009 | { | |
5010 | if ((!infile->language) || (infile->language[0] != '*')) | |
5011 | if (infile->incompiler == input_file_compiler) | |
5012 | return true; | |
5013 | return false; | |
5014 | } | |
5015 | ||
69d540bd NF |
5016 | /* Process each member of VEC as a spec. */ |
5017 | ||
5018 | static void | |
9771b263 | 5019 | do_specs_vec (vec<char_p> vec) |
69d540bd NF |
5020 | { |
5021 | unsigned ix; | |
5022 | char *opt; | |
5023 | ||
9771b263 | 5024 | FOR_EACH_VEC_ELT (vec, ix, opt) |
69d540bd NF |
5025 | { |
5026 | do_spec_1 (opt, 1, NULL); | |
5027 | /* Make each accumulated option a separate argument. */ | |
5028 | do_spec_1 (" ", 0, NULL); | |
5029 | } | |
5030 | } | |
5031 | ||
ed1f651b RS |
5032 | /* Process the sub-spec SPEC as a portion of a larger spec. |
5033 | This is like processing a whole spec except that we do | |
5034 | not initialize at the beginning and we do not supply a | |
5035 | newline by default at the end. | |
5036 | INSWITCH nonzero means don't process %-sequences in SPEC; | |
5037 | in this case, % is treated as an ordinary character. | |
5038 | This is used while substituting switches. | |
5039 | INSWITCH nonzero also causes SPC not to terminate an argument. | |
5040 | ||
5041 | Value is zero unless a line was finished | |
5042 | and the command on that line reported an error. */ | |
5043 | ||
5044 | static int | |
1d088dee | 5045 | do_spec_1 (const char *spec, int inswitch, const char *soft_matched_part) |
ed1f651b | 5046 | { |
b3694847 SS |
5047 | const char *p = spec; |
5048 | int c; | |
ed1f651b | 5049 | int i; |
3279bba6 | 5050 | int value; |
ed1f651b | 5051 | |
7fcf46f5 JZ |
5052 | /* If it's an empty string argument to a switch, keep it as is. */ |
5053 | if (inswitch && !*p) | |
5054 | arg_going = 1; | |
5055 | ||
ededb2fc | 5056 | while ((c = *p++)) |
ed1f651b RS |
5057 | /* If substituting a switch, treat all chars like letters. |
5058 | Otherwise, NL, SPC, TAB and % are special. */ | |
5059 | switch (inswitch ? 'a' : c) | |
5060 | { | |
5061 | case '\n': | |
13e7cedb | 5062 | end_going_arg (); |
ed1f651b | 5063 | |
9771b263 DN |
5064 | if (argbuf.length () > 0 |
5065 | && !strcmp (argbuf.last (), "|")) | |
ed1f651b | 5066 | { |
ed1f651b RS |
5067 | /* A `|' before the newline means use a pipe here, |
5068 | but only if -pipe was specified. | |
5069 | Otherwise, execute now and don't pass the `|' as an arg. */ | |
4977bab6 | 5070 | if (use_pipes) |
ed1f651b | 5071 | { |
a99bf70c | 5072 | input_from_pipe = 1; |
ed1f651b RS |
5073 | break; |
5074 | } | |
5075 | else | |
9771b263 | 5076 | argbuf.pop (); |
ed1f651b RS |
5077 | } |
5078 | ||
b856c15d RO |
5079 | set_collect_gcc_options (); |
5080 | ||
9771b263 | 5081 | if (argbuf.length () > 0) |
ed1f651b | 5082 | { |
3279bba6 | 5083 | value = execute (); |
ed1f651b RS |
5084 | if (value) |
5085 | return value; | |
5086 | } | |
5087 | /* Reinitialize for a new command, and for a new argument. */ | |
5088 | clear_args (); | |
5089 | arg_going = 0; | |
5090 | delete_this_arg = 0; | |
5091 | this_is_output_file = 0; | |
5092 | this_is_library_file = 0; | |
3beb864c | 5093 | this_is_linker_script = 0; |
a99bf70c | 5094 | input_from_pipe = 0; |
ed1f651b RS |
5095 | break; |
5096 | ||
5097 | case '|': | |
13e7cedb | 5098 | end_going_arg (); |
ed1f651b RS |
5099 | |
5100 | /* Use pipe */ | |
5101 | obstack_1grow (&obstack, c); | |
5102 | arg_going = 1; | |
5103 | break; | |
5104 | ||
5105 | case '\t': | |
5106 | case ' ': | |
13e7cedb DH |
5107 | end_going_arg (); |
5108 | ||
ed1f651b | 5109 | /* Reinitialize for a new argument. */ |
ed1f651b RS |
5110 | delete_this_arg = 0; |
5111 | this_is_output_file = 0; | |
5112 | this_is_library_file = 0; | |
3beb864c | 5113 | this_is_linker_script = 0; |
ed1f651b RS |
5114 | break; |
5115 | ||
5116 | case '%': | |
5117 | switch (c = *p++) | |
5118 | { | |
5119 | case 0: | |
40fecdd6 | 5120 | fatal_error (input_location, "spec %qs invalid", spec); |
ed1f651b RS |
5121 | |
5122 | case 'b': | |
14fdc613 MM |
5123 | if (save_temps_length) |
5124 | obstack_grow (&obstack, save_temps_prefix, save_temps_length); | |
5125 | else | |
5126 | obstack_grow (&obstack, input_basename, basename_length); | |
2153915d AO |
5127 | if (compare_debug < 0) |
5128 | obstack_grow (&obstack, ".gk", 3); | |
ed1f651b RS |
5129 | arg_going = 1; |
5130 | break; | |
5131 | ||
ea414c97 | 5132 | case 'B': |
14fdc613 MM |
5133 | if (save_temps_length) |
5134 | obstack_grow (&obstack, save_temps_prefix, save_temps_length); | |
5135 | else | |
5136 | obstack_grow (&obstack, input_basename, suffixed_basename_length); | |
2153915d AO |
5137 | if (compare_debug < 0) |
5138 | obstack_grow (&obstack, ".gk", 3); | |
ea414c97 ZW |
5139 | arg_going = 1; |
5140 | break; | |
5141 | ||
ed1f651b RS |
5142 | case 'd': |
5143 | delete_this_arg = 2; | |
5144 | break; | |
5145 | ||
5146 | /* Dump out the directories specified with LIBRARY_PATH, | |
004fd4d5 RS |
5147 | followed by the absolute directories |
5148 | that we search for startfiles. */ | |
ed1f651b | 5149 | case 'D': |
8cacec76 | 5150 | { |
00dcee0c | 5151 | struct spec_path_info info; |
59014d0a | 5152 | |
00dcee0c AM |
5153 | info.option = "-L"; |
5154 | info.append_len = 0; | |
76391e5a | 5155 | #ifdef RELATIVE_PREFIX_NOT_LINKDIR |
00dcee0c AM |
5156 | /* Used on systems which record the specified -L dirs |
5157 | and use them to search for dynamic linking. | |
5158 | Relative directories always come from -B, | |
5159 | and it is better not to use them for searching | |
5160 | at run time. In particular, stage1 loses. */ | |
5161 | info.omit_relative = true; | |
76391e5a | 5162 | #else |
00dcee0c | 5163 | info.omit_relative = false; |
004fd4d5 | 5164 | #endif |
00dcee0c AM |
5165 | info.separate_options = false; |
5166 | ||
5167 | for_each_path (&startfile_prefixes, true, 0, spec_path, &info); | |
8cacec76 | 5168 | } |
ed1f651b RS |
5169 | break; |
5170 | ||
5171 | case 'e': | |
ab87f8c8 | 5172 | /* %efoo means report an error with `foo' as error message |
ed1f651b RS |
5173 | and don't execute any more commands for this file. */ |
5174 | { | |
878f32c3 | 5175 | const char *q = p; |
ed1f651b | 5176 | char *buf; |
d25a45d4 KH |
5177 | while (*p != 0 && *p != '\n') |
5178 | p++; | |
e1e4cdc4 | 5179 | buf = (char *) alloca (p - q + 1); |
ed1f651b RS |
5180 | strncpy (buf, q, p - q); |
5181 | buf[p - q] = 0; | |
5bc69b92 | 5182 | error ("%s", _(buf)); |
ed1f651b RS |
5183 | return -1; |
5184 | } | |
5185 | break; | |
4a88a060 | 5186 | case 'n': |
09da1532 | 5187 | /* %nfoo means report a notice with `foo' on stderr. */ |
4a88a060 JH |
5188 | { |
5189 | const char *q = p; | |
5190 | char *buf; | |
5191 | while (*p != 0 && *p != '\n') | |
5192 | p++; | |
e1e4cdc4 | 5193 | buf = (char *) alloca (p - q + 1); |
4a88a060 JH |
5194 | strncpy (buf, q, p - q); |
5195 | buf[p - q] = 0; | |
2dec80c7 | 5196 | inform (0, "%s", _(buf)); |
4a88a060 JH |
5197 | if (*p) |
5198 | p++; | |
5199 | } | |
5200 | break; | |
ed1f651b | 5201 | |
d25a45d4 KH |
5202 | case 'j': |
5203 | { | |
5204 | struct stat st; | |
5205 | ||
4977bab6 ZW |
5206 | /* If save_temps_flag is off, and the HOST_BIT_BUCKET is |
5207 | defined, and it is not a directory, and it is | |
5208 | writable, use it. Otherwise, treat this like any | |
5209 | other temporary file. */ | |
d25a45d4 KH |
5210 | |
5211 | if ((!save_temps_flag) | |
5212 | && (stat (HOST_BIT_BUCKET, &st) == 0) && (!S_ISDIR (st.st_mode)) | |
5213 | && (access (HOST_BIT_BUCKET, W_OK) == 0)) | |
5214 | { | |
5215 | obstack_grow (&obstack, HOST_BIT_BUCKET, | |
5216 | strlen (HOST_BIT_BUCKET)); | |
5217 | delete_this_arg = 0; | |
5218 | arg_going = 1; | |
5219 | break; | |
5220 | } | |
5221 | } | |
4977bab6 ZW |
5222 | goto create_temp_file; |
5223 | case '|': | |
5224 | if (use_pipes) | |
5225 | { | |
5226 | obstack_1grow (&obstack, '-'); | |
5227 | delete_this_arg = 0; | |
5228 | arg_going = 1; | |
5229 | ||
5230 | /* consume suffix */ | |
a92dd235 | 5231 | while (*p == '.' || ISALNUM ((unsigned char) *p)) |
4977bab6 ZW |
5232 | p++; |
5233 | if (p[0] == '%' && p[1] == 'O') | |
5234 | p += 2; | |
1d088dee | 5235 | |
4977bab6 ZW |
5236 | break; |
5237 | } | |
5238 | goto create_temp_file; | |
5239 | case 'm': | |
5240 | if (use_pipes) | |
5241 | { | |
5242 | /* consume suffix */ | |
a92dd235 | 5243 | while (*p == '.' || ISALNUM ((unsigned char) *p)) |
4977bab6 ZW |
5244 | p++; |
5245 | if (p[0] == '%' && p[1] == 'O') | |
5246 | p += 2; | |
1d088dee | 5247 | |
4977bab6 ZW |
5248 | break; |
5249 | } | |
5250 | goto create_temp_file; | |
ed1f651b | 5251 | case 'g': |
d887e808 | 5252 | case 'u': |
4401b31c | 5253 | case 'U': |
4977bab6 | 5254 | create_temp_file: |
ed1f651b | 5255 | { |
fb266030 | 5256 | struct temp_name *t; |
dd75c292 | 5257 | int suffix_length; |
878f32c3 | 5258 | const char *suffix = p; |
a1d9074c | 5259 | char *saved_suffix = NULL; |
dd75c292 | 5260 | |
a92dd235 | 5261 | while (*p == '.' || ISALNUM ((unsigned char) *p)) |
a1d9074c TT |
5262 | p++; |
5263 | suffix_length = p - suffix; | |
dd75c292 CB |
5264 | if (p[0] == '%' && p[1] == 'O') |
5265 | { | |
cbc54665 | 5266 | p += 2; |
dd75c292 | 5267 | /* We don't support extra suffix characters after %O. */ |
a92dd235 | 5268 | if (*p == '.' || ISALNUM ((unsigned char) *p)) |
40fecdd6 JM |
5269 | fatal_error (input_location, |
5270 | "spec %qs has invalid %<%%0%c%>", spec, *p); | |
a1d9074c | 5271 | if (suffix_length == 0) |
45936a85 | 5272 | suffix = TARGET_OBJECT_SUFFIX; |
a1d9074c TT |
5273 | else |
5274 | { | |
5275 | saved_suffix | |
5ed6ace5 | 5276 | = XNEWVEC (char, suffix_length |
e3cb8f05 | 5277 | + strlen (TARGET_OBJECT_SUFFIX) + 1); |
a1d9074c TT |
5278 | strncpy (saved_suffix, suffix, suffix_length); |
5279 | strcpy (saved_suffix + suffix_length, | |
45936a85 | 5280 | TARGET_OBJECT_SUFFIX); |
a1d9074c | 5281 | } |
45936a85 | 5282 | suffix_length += strlen (TARGET_OBJECT_SUFFIX); |
dd75c292 | 5283 | } |
589005ff | 5284 | |
2153915d AO |
5285 | if (compare_debug < 0) |
5286 | { | |
5287 | suffix = concat (".gk", suffix, NULL); | |
5288 | suffix_length += 3; | |
5289 | } | |
5290 | ||
14fdc613 MM |
5291 | /* If -save-temps=obj and -o were specified, use that for the |
5292 | temp file. */ | |
5293 | if (save_temps_length) | |
5294 | { | |
5295 | char *tmp; | |
5296 | temp_filename_length | |
5297 | = save_temps_length + suffix_length + 1; | |
5298 | tmp = (char *) alloca (temp_filename_length); | |
5299 | memcpy (tmp, save_temps_prefix, save_temps_length); | |
5300 | memcpy (tmp + save_temps_length, suffix, suffix_length); | |
5301 | tmp[save_temps_length + suffix_length] = '\0'; | |
fc429b48 TB |
5302 | temp_filename = save_string (tmp, save_temps_length |
5303 | + suffix_length); | |
14fdc613 MM |
5304 | obstack_grow (&obstack, temp_filename, |
5305 | temp_filename_length); | |
5306 | arg_going = 1; | |
5307 | delete_this_arg = 0; | |
5308 | break; | |
5309 | } | |
5310 | ||
6afbc885 | 5311 | /* If the gcc_input_filename has the same suffix specified |
99f78cdd IR |
5312 | for the %g, %u, or %U, and -save-temps is specified, |
5313 | we could end up using that file as an intermediate | |
5314 | thus clobbering the user's source file (.e.g., | |
5315 | gcc -save-temps foo.s would clobber foo.s with the | |
5316 | output of cpp0). So check for this condition and | |
5317 | generate a temp file as the intermediate. */ | |
589005ff | 5318 | |
99f78cdd IR |
5319 | if (save_temps_flag) |
5320 | { | |
6ea2b70d | 5321 | char *tmp; |
14fdc613 MM |
5322 | temp_filename_length = basename_length + suffix_length + 1; |
5323 | tmp = (char *) alloca (temp_filename_length); | |
5324 | memcpy (tmp, input_basename, basename_length); | |
5325 | memcpy (tmp + basename_length, suffix, suffix_length); | |
5326 | tmp[basename_length + suffix_length] = '\0'; | |
6ea2b70d | 5327 | temp_filename = tmp; |
14fdc613 | 5328 | |
ba78087b | 5329 | if (filename_cmp (temp_filename, gcc_input_filename) != 0) |
99f78cdd | 5330 | { |
a9024779 | 5331 | #ifndef HOST_LACKS_INODE_NUMBERS |
1d088dee | 5332 | struct stat st_temp; |
589005ff | 5333 | |
1d088dee AJ |
5334 | /* Note, set_input() resets input_stat_set to 0. */ |
5335 | if (input_stat_set == 0) | |
5336 | { | |
6afbc885 JM |
5337 | input_stat_set = stat (gcc_input_filename, |
5338 | &input_stat); | |
1d088dee AJ |
5339 | if (input_stat_set >= 0) |
5340 | input_stat_set = 1; | |
5341 | } | |
589005ff | 5342 | |
6afbc885 | 5343 | /* If we have the stat for the gcc_input_filename |
1d088dee AJ |
5344 | and we can do the stat for the temp_filename |
5345 | then the they could still refer to the same | |
5346 | file if st_dev/st_ino's are the same. */ | |
99f78cdd IR |
5347 | if (input_stat_set != 1 |
5348 | || stat (temp_filename, &st_temp) < 0 | |
5349 | || input_stat.st_dev != st_temp.st_dev | |
5350 | || input_stat.st_ino != st_temp.st_ino) | |
a9024779 DS |
5351 | #else |
5352 | /* Just compare canonical pathnames. */ | |
6afbc885 | 5353 | char* input_realname = lrealpath (gcc_input_filename); |
a9024779 | 5354 | char* temp_realname = lrealpath (temp_filename); |
ba78087b | 5355 | bool files_differ = filename_cmp (input_realname, temp_realname); |
a9024779 DS |
5356 | free (input_realname); |
5357 | free (temp_realname); | |
7904f95f | 5358 | if (files_differ) |
a9024779 | 5359 | #endif |
589005ff | 5360 | { |
99f78cdd IR |
5361 | temp_filename = save_string (temp_filename, |
5362 | temp_filename_length + 1); | |
5363 | obstack_grow (&obstack, temp_filename, | |
1d088dee | 5364 | temp_filename_length); |
99f78cdd | 5365 | arg_going = 1; |
d2dff06b | 5366 | delete_this_arg = 0; |
99f78cdd IR |
5367 | break; |
5368 | } | |
5369 | } | |
5370 | } | |
fb266030 TW |
5371 | |
5372 | /* See if we already have an association of %g/%u/%U and | |
5373 | suffix. */ | |
5374 | for (t = temp_names; t; t = t->next) | |
dd75c292 CB |
5375 | if (t->length == suffix_length |
5376 | && strncmp (t->suffix, suffix, suffix_length) == 0 | |
95456d43 | 5377 | && t->unique == (c == 'u' || c == 'U' || c == 'j')) |
fb266030 TW |
5378 | break; |
5379 | ||
2297fdf1 TT |
5380 | /* Make a new association if needed. %u and %j |
5381 | require one. */ | |
49009afd | 5382 | if (t == 0 || c == 'u' || c == 'j') |
fb266030 TW |
5383 | { |
5384 | if (t == 0) | |
5385 | { | |
e1e4cdc4 | 5386 | t = XNEW (struct temp_name); |
fb266030 TW |
5387 | t->next = temp_names; |
5388 | temp_names = t; | |
5389 | } | |
dd75c292 | 5390 | t->length = suffix_length; |
2297fdf1 TT |
5391 | if (saved_suffix) |
5392 | { | |
5393 | t->suffix = saved_suffix; | |
5394 | saved_suffix = NULL; | |
5395 | } | |
5396 | else | |
5397 | t->suffix = save_string (suffix, suffix_length); | |
95456d43 | 5398 | t->unique = (c == 'u' || c == 'U' || c == 'j'); |
dd75c292 | 5399 | temp_filename = make_temp_file (t->suffix); |
6aa62cff | 5400 | temp_filename_length = strlen (temp_filename); |
fb266030 TW |
5401 | t->filename = temp_filename; |
5402 | t->filename_length = temp_filename_length; | |
5403 | } | |
5404 | ||
04695783 | 5405 | free (saved_suffix); |
a1d9074c | 5406 | |
fb266030 | 5407 | obstack_grow (&obstack, t->filename, t->filename_length); |
b9490a6e | 5408 | delete_this_arg = 1; |
ed1f651b RS |
5409 | } |
5410 | arg_going = 1; | |
5411 | break; | |
5412 | ||
5413 | case 'i': | |
d1bd0ded GK |
5414 | if (combine_inputs) |
5415 | { | |
5a691e98 RAE |
5416 | if (at_file_supplied) |
5417 | { | |
5418 | /* We are going to expand `%i' to `@FILE', where FILE | |
5419 | is a newly-created temporary filename. The filenames | |
5420 | that would usually be expanded in place of %o will be | |
5421 | written to the temporary file. */ | |
5422 | char **argv; | |
5423 | int n_files = 0; | |
5424 | int j; | |
5425 | ||
5426 | for (i = 0; i < n_infiles; i++) | |
5427 | if (compile_input_file_p (&infiles[i])) | |
5428 | n_files++; | |
5429 | ||
5430 | argv = (char **) alloca (sizeof (char *) * (n_files + 1)); | |
5431 | ||
5432 | /* Copy the strings over. */ | |
5433 | for (i = 0, j = 0; i < n_infiles; i++) | |
5434 | if (compile_input_file_p (&infiles[i])) | |
5435 | { | |
5436 | argv[j] = CONST_CAST (char *, infiles[i].name); | |
5437 | infiles[i].compiled = true; | |
5438 | j++; | |
5439 | } | |
5440 | argv[j] = NULL; | |
5441 | ||
5442 | create_at_file (argv); | |
5443 | } | |
5444 | else | |
5445 | for (i = 0; (int) i < n_infiles; i++) | |
5446 | if (compile_input_file_p (&infiles[i])) | |
0855eab7 CT |
5447 | { |
5448 | store_arg (infiles[i].name, 0, 0); | |
5449 | infiles[i].compiled = true; | |
5450 | } | |
d1bd0ded GK |
5451 | } |
5452 | else | |
5453 | { | |
6afbc885 JM |
5454 | obstack_grow (&obstack, gcc_input_filename, |
5455 | input_filename_length); | |
d1bd0ded GK |
5456 | arg_going = 1; |
5457 | } | |
ed1f651b RS |
5458 | break; |
5459 | ||
8eebb258 | 5460 | case 'I': |
2d879387 | 5461 | { |
00dcee0c | 5462 | struct spec_path_info info; |
2d879387 | 5463 | |
2b6dd222 JM |
5464 | if (multilib_dir) |
5465 | { | |
5466 | do_spec_1 ("-imultilib", 1, NULL); | |
5467 | /* Make this a separate argument. */ | |
5468 | do_spec_1 (" ", 0, NULL); | |
5469 | do_spec_1 (multilib_dir, 1, NULL); | |
5470 | do_spec_1 (" ", 0, NULL); | |
5471 | } | |
5472 | ||
e0cdc09f MK |
5473 | if (multiarch_dir) |
5474 | { | |
5475 | do_spec_1 ("-imultiarch", 1, NULL); | |
5476 | /* Make this a separate argument. */ | |
5477 | do_spec_1 (" ", 0, NULL); | |
5478 | do_spec_1 (multiarch_dir, 1, NULL); | |
5479 | do_spec_1 (" ", 0, NULL); | |
5480 | } | |
5481 | ||
2d879387 JW |
5482 | if (gcc_exec_prefix) |
5483 | { | |
6496a589 | 5484 | do_spec_1 ("-iprefix", 1, NULL); |
2d879387 | 5485 | /* Make this a separate argument. */ |
6496a589 KG |
5486 | do_spec_1 (" ", 0, NULL); |
5487 | do_spec_1 (gcc_exec_prefix, 1, NULL); | |
5488 | do_spec_1 (" ", 0, NULL); | |
2d879387 JW |
5489 | } |
5490 | ||
e7f13528 GP |
5491 | if (target_system_root_changed || |
5492 | (target_system_root && target_sysroot_hdrs_suffix)) | |
047d636f DJ |
5493 | { |
5494 | do_spec_1 ("-isysroot", 1, NULL); | |
5495 | /* Make this a separate argument. */ | |
5496 | do_spec_1 (" ", 0, NULL); | |
5497 | do_spec_1 (target_system_root, 1, NULL); | |
e7f13528 GP |
5498 | if (target_sysroot_hdrs_suffix) |
5499 | do_spec_1 (target_sysroot_hdrs_suffix, 1, NULL); | |
047d636f DJ |
5500 | do_spec_1 (" ", 0, NULL); |
5501 | } | |
5502 | ||
00dcee0c AM |
5503 | info.option = "-isystem"; |
5504 | info.append = "include"; | |
5505 | info.append_len = strlen (info.append); | |
5506 | info.omit_relative = false; | |
5507 | info.separate_options = true; | |
5508 | ||
5509 | for_each_path (&include_prefixes, false, info.append_len, | |
5510 | spec_path, &info); | |
f686ec05 JM |
5511 | |
5512 | info.append = "include-fixed"; | |
14da6073 JM |
5513 | if (*sysroot_hdrs_suffix_spec) |
5514 | info.append = concat (info.append, dir_separator_str, | |
5515 | multilib_dir, NULL); | |
f686ec05 JM |
5516 | info.append_len = strlen (info.append); |
5517 | for_each_path (&include_prefixes, false, info.append_len, | |
5518 | spec_path, &info); | |
2d879387 | 5519 | } |
8eebb258 RS |
5520 | break; |
5521 | ||
ed1f651b | 5522 | case 'o': |
15c5edb9 TT |
5523 | { |
5524 | int max = n_infiles; | |
15c5edb9 | 5525 | max += lang_specific_extra_outfiles; |
08dc830e | 5526 | |
2091ff66 NF |
5527 | if (HAVE_GNU_LD && at_file_supplied) |
5528 | { | |
5529 | /* We are going to expand `%o' to `@FILE', where FILE | |
5530 | is a newly-created temporary filename. The filenames | |
5531 | that would usually be expanded in place of %o will be | |
5532 | written to the temporary file. */ | |
5533 | ||
2091ff66 | 5534 | char **argv; |
5a691e98 | 5535 | int n_files, j; |
2091ff66 NF |
5536 | |
5537 | /* Convert OUTFILES into a form suitable for writeargv. */ | |
5538 | ||
5539 | /* Determine how many are non-NULL. */ | |
5540 | for (n_files = 0, i = 0; i < max; i++) | |
5541 | n_files += outfiles[i] != NULL; | |
5542 | ||
e1e4cdc4 | 5543 | argv = (char **) alloca (sizeof (char *) * (n_files + 1)); |
2091ff66 NF |
5544 | |
5545 | /* Copy the strings over. */ | |
5546 | for (i = 0, j = 0; i < max; i++) | |
5547 | if (outfiles[i]) | |
5548 | { | |
b1d5455a | 5549 | argv[j] = CONST_CAST (char *, outfiles[i]); |
2091ff66 NF |
5550 | j++; |
5551 | } | |
5552 | argv[j] = NULL; | |
5553 | ||
5a691e98 | 5554 | create_at_file (argv); |
2091ff66 NF |
5555 | } |
5556 | else | |
5557 | for (i = 0; i < max; i++) | |
5558 | if (outfiles[i]) | |
5559 | store_arg (outfiles[i], 0, 0); | |
15c5edb9 TT |
5560 | break; |
5561 | } | |
ed1f651b | 5562 | |
ed7dae04 | 5563 | case 'O': |
45936a85 | 5564 | obstack_grow (&obstack, TARGET_OBJECT_SUFFIX, strlen (TARGET_OBJECT_SUFFIX)); |
ed7dae04 RK |
5565 | arg_going = 1; |
5566 | break; | |
5567 | ||
ed1f651b RS |
5568 | case 's': |
5569 | this_is_library_file = 1; | |
5570 | break; | |
5571 | ||
3beb864c NC |
5572 | case 'T': |
5573 | this_is_linker_script = 1; | |
5574 | break; | |
5575 | ||
17211ab5 GK |
5576 | case 'V': |
5577 | outfiles[input_file_number] = NULL; | |
5578 | break; | |
5579 | ||
ed1f651b RS |
5580 | case 'w': |
5581 | this_is_output_file = 1; | |
5582 | break; | |
5583 | ||
5584 | case 'W': | |
5585 | { | |
9771b263 | 5586 | unsigned int cur_index = argbuf.length (); |
ed1f651b RS |
5587 | /* Handle the {...} following the %W. */ |
5588 | if (*p != '{') | |
40fecdd6 JM |
5589 | fatal_error (input_location, |
5590 | "spec %qs has invalid %<%%W%c%>", spec, *p); | |
ed1f651b RS |
5591 | p = handle_braces (p + 1); |
5592 | if (p == 0) | |
5593 | return -1; | |
13e7cedb | 5594 | end_going_arg (); |
ed1f651b RS |
5595 | /* If any args were output, mark the last one for deletion |
5596 | on failure. */ | |
9771b263 DN |
5597 | if (argbuf.length () != cur_index) |
5598 | record_temp_file (argbuf.last (), 0, 1); | |
ed1f651b RS |
5599 | break; |
5600 | } | |
5601 | ||
5602 | /* %x{OPTION} records OPTION for %X to output. */ | |
5603 | case 'x': | |
5604 | { | |
878f32c3 | 5605 | const char *p1 = p; |
ed1f651b | 5606 | char *string; |
69d540bd NF |
5607 | char *opt; |
5608 | unsigned ix; | |
ed1f651b RS |
5609 | |
5610 | /* Skip past the option value and make a copy. */ | |
5611 | if (*p != '{') | |
40fecdd6 JM |
5612 | fatal_error (input_location, |
5613 | "spec %qs has invalid %<%%x%c%>", spec, *p); | |
ed1f651b RS |
5614 | while (*p++ != '}') |
5615 | ; | |
5616 | string = save_string (p1 + 1, p - p1 - 2); | |
5617 | ||
5618 | /* See if we already recorded this option. */ | |
9771b263 | 5619 | FOR_EACH_VEC_ELT (linker_options, ix, opt) |
69d540bd | 5620 | if (! strcmp (string, opt)) |
ed1f651b RS |
5621 | { |
5622 | free (string); | |
5623 | return 0; | |
5624 | } | |
5625 | ||
5626 | /* This option is new; add it. */ | |
b8468bc7 | 5627 | add_linker_option (string, strlen (string)); |
fc429b48 | 5628 | free (string); |
ed1f651b RS |
5629 | } |
5630 | break; | |
5631 | ||
368dfd3a | 5632 | /* Dump out the options accumulated previously using %x. */ |
ed1f651b | 5633 | case 'X': |
69d540bd | 5634 | do_specs_vec (linker_options); |
ed1f651b RS |
5635 | break; |
5636 | ||
c9ebacb8 RS |
5637 | /* Dump out the options accumulated previously using -Wa,. */ |
5638 | case 'Y': | |
69d540bd | 5639 | do_specs_vec (assembler_options); |
c9ebacb8 RS |
5640 | break; |
5641 | ||
57cb9b60 JW |
5642 | /* Dump out the options accumulated previously using -Wp,. */ |
5643 | case 'Z': | |
69d540bd | 5644 | do_specs_vec (preprocessor_options); |
57cb9b60 JW |
5645 | break; |
5646 | ||
ed1f651b RS |
5647 | /* Here are digits and numbers that just process |
5648 | a certain constant string as a spec. */ | |
5649 | ||
5650 | case '1': | |
6496a589 | 5651 | value = do_spec_1 (cc1_spec, 0, NULL); |
3279bba6 RS |
5652 | if (value != 0) |
5653 | return value; | |
ed1f651b RS |
5654 | break; |
5655 | ||
5656 | case '2': | |
6496a589 | 5657 | value = do_spec_1 (cc1plus_spec, 0, NULL); |
3279bba6 RS |
5658 | if (value != 0) |
5659 | return value; | |
ed1f651b RS |
5660 | break; |
5661 | ||
5662 | case 'a': | |
6496a589 | 5663 | value = do_spec_1 (asm_spec, 0, NULL); |
3279bba6 RS |
5664 | if (value != 0) |
5665 | return value; | |
ed1f651b RS |
5666 | break; |
5667 | ||
5668 | case 'A': | |
6496a589 | 5669 | value = do_spec_1 (asm_final_spec, 0, NULL); |
3279bba6 RS |
5670 | if (value != 0) |
5671 | return value; | |
ed1f651b RS |
5672 | break; |
5673 | ||
ed1f651b | 5674 | case 'C': |
a9374841 | 5675 | { |
83182544 | 5676 | const char *const spec |
589005ff KH |
5677 | = (input_file_compiler->cpp_spec |
5678 | ? input_file_compiler->cpp_spec | |
a9374841 | 5679 | : cpp_spec); |
6496a589 | 5680 | value = do_spec_1 (spec, 0, NULL); |
a9374841 MM |
5681 | if (value != 0) |
5682 | return value; | |
5683 | } | |
ed1f651b RS |
5684 | break; |
5685 | ||
5686 | case 'E': | |
6496a589 | 5687 | value = do_spec_1 (endfile_spec, 0, NULL); |
3279bba6 RS |
5688 | if (value != 0) |
5689 | return value; | |
ed1f651b RS |
5690 | break; |
5691 | ||
5692 | case 'l': | |
6496a589 | 5693 | value = do_spec_1 (link_spec, 0, NULL); |
3279bba6 RS |
5694 | if (value != 0) |
5695 | return value; | |
ed1f651b RS |
5696 | break; |
5697 | ||
5698 | case 'L': | |
6496a589 | 5699 | value = do_spec_1 (lib_spec, 0, NULL); |
3279bba6 RS |
5700 | if (value != 0) |
5701 | return value; | |
ed1f651b RS |
5702 | break; |
5703 | ||
3cd50158 SD |
5704 | case 'M': |
5705 | if (multilib_os_dir == NULL) | |
5706 | obstack_1grow (&obstack, '.'); | |
5707 | else | |
5708 | obstack_grow (&obstack, multilib_os_dir, | |
5709 | strlen (multilib_os_dir)); | |
5710 | break; | |
5711 | ||
68d69835 | 5712 | case 'G': |
6496a589 | 5713 | value = do_spec_1 (libgcc_spec, 0, NULL); |
68d69835 JM |
5714 | if (value != 0) |
5715 | return value; | |
5716 | break; | |
5717 | ||
4977bab6 ZW |
5718 | case 'R': |
5719 | /* We assume there is a directory | |
5720 | separator at the end of this string. */ | |
5721 | if (target_system_root) | |
1d088dee AJ |
5722 | { |
5723 | obstack_grow (&obstack, target_system_root, | |
e7f13528 GP |
5724 | strlen (target_system_root)); |
5725 | if (target_sysroot_suffix) | |
1d088dee | 5726 | obstack_grow (&obstack, target_sysroot_suffix, |
e7f13528 GP |
5727 | strlen (target_sysroot_suffix)); |
5728 | } | |
4977bab6 ZW |
5729 | break; |
5730 | ||
ed1f651b | 5731 | case 'S': |
6496a589 | 5732 | value = do_spec_1 (startfile_spec, 0, NULL); |
3279bba6 RS |
5733 | if (value != 0) |
5734 | return value; | |
ed1f651b RS |
5735 | break; |
5736 | ||
5737 | /* Here we define characters other than letters and digits. */ | |
5738 | ||
5739 | case '{': | |
5740 | p = handle_braces (p); | |
5741 | if (p == 0) | |
5742 | return -1; | |
5743 | break; | |
5744 | ||
f3226a90 | 5745 | case ':': |
de5a5fa1 | 5746 | p = handle_spec_function (p, NULL); |
f3226a90 JT |
5747 | if (p == 0) |
5748 | return -1; | |
5749 | break; | |
5750 | ||
ed1f651b RS |
5751 | case '%': |
5752 | obstack_1grow (&obstack, '%'); | |
5753 | break; | |
5754 | ||
589005ff KH |
5755 | case '.': |
5756 | { | |
5757 | unsigned len = 0; | |
11972f66 | 5758 | |
589005ff KH |
5759 | while (p[len] && p[len] != ' ' && p[len] != '%') |
5760 | len++; | |
5761 | suffix_subst = save_string (p - 1, len + 1); | |
5762 | p += len; | |
5763 | } | |
11972f66 | 5764 | break; |
589005ff | 5765 | |
4977bab6 ZW |
5766 | /* Henceforth ignore the option(s) matching the pattern |
5767 | after the %<. */ | |
5768 | case '<': | |
96f5b137 | 5769 | case '>': |
4977bab6 ZW |
5770 | { |
5771 | unsigned len = 0; | |
5772 | int have_wildcard = 0; | |
5773 | int i; | |
96f5b137 L |
5774 | int switch_option; |
5775 | ||
5776 | if (c == '>') | |
5777 | switch_option = SWITCH_IGNORE | SWITCH_KEEP_FOR_GCC; | |
5778 | else | |
5779 | switch_option = SWITCH_IGNORE; | |
4977bab6 ZW |
5780 | |
5781 | while (p[len] && p[len] != ' ' && p[len] != '\t') | |
5782 | len++; | |
5783 | ||
5784 | if (p[len-1] == '*') | |
5785 | have_wildcard = 1; | |
5786 | ||
5787 | for (i = 0; i < n_switches; i++) | |
5788 | if (!strncmp (switches[i].part1, p, len - have_wildcard) | |
5789 | && (have_wildcard || switches[i].part1[len] == '\0')) | |
5790 | { | |
96f5b137 | 5791 | switches[i].live_cond |= switch_option; |
d168aaee CB |
5792 | /* User switch be validated from validate_all_switches. |
5793 | when the definition is seen from the spec file. | |
5794 | If not defined anywhere, will be rejected. */ | |
5795 | if (switches[i].known) | |
5796 | switches[i].validated = true; | |
4977bab6 ZW |
5797 | } |
5798 | ||
5799 | p += len; | |
5800 | } | |
5801 | break; | |
5802 | ||
ed1f651b | 5803 | case '*': |
3ac63d94 NC |
5804 | if (soft_matched_part) |
5805 | { | |
7fcf46f5 JZ |
5806 | if (soft_matched_part[0]) |
5807 | do_spec_1 (soft_matched_part, 1, NULL); | |
25990163 NC |
5808 | /* Only insert a space after the substitution if it is at the |
5809 | end of the current sequence. So if: | |
5810 | ||
5811 | "%{foo=*:bar%*}%{foo=*:one%*two}" | |
5812 | ||
5813 | matches -foo=hello then it will produce: | |
5814 | ||
5815 | barhello onehellotwo | |
5816 | */ | |
5817 | if (*p == 0 || *p == '}') | |
5818 | do_spec_1 (" ", 0, NULL); | |
3ac63d94 NC |
5819 | } |
5820 | else | |
5821 | /* Catch the case where a spec string contains something like | |
454ff5cb | 5822 | '%{foo:%*}'. i.e. there is no * in the pattern on the left |
3ac63d94 | 5823 | hand side of the :. */ |
bdc6b402 | 5824 | error ("spec failure: %<%%*%> has not been initialized by pattern match"); |
ed1f651b RS |
5825 | break; |
5826 | ||
5827 | /* Process a string found as the value of a spec given by name. | |
5828 | This feature allows individual machine descriptions | |
3ce9f090 | 5829 | to add and use their own specs. */ |
ed1f651b | 5830 | case '(': |
ed1f651b | 5831 | { |
878f32c3 | 5832 | const char *name = p; |
ed1f651b RS |
5833 | struct spec_list *sl; |
5834 | int len; | |
5835 | ||
5836 | /* The string after the S/P is the name of a spec that is to be | |
0f41302f | 5837 | processed. */ |
3ce9f090 | 5838 | while (*p && *p != ')') |
ed1f651b RS |
5839 | p++; |
5840 | ||
3ac63d94 | 5841 | /* See if it's in the list. */ |
ed1f651b | 5842 | for (len = p - name, sl = specs; sl; sl = sl->next) |
79aff5ac | 5843 | if (sl->name_len == len && !strncmp (sl->name, name, len)) |
ed1f651b | 5844 | { |
79aff5ac | 5845 | name = *(sl->ptr_spec); |
20df0482 | 5846 | #ifdef DEBUG_SPECS |
3ce9f090 JM |
5847 | fnotice (stderr, "Processing spec (%s), which is '%s'\n", |
5848 | sl->name, name); | |
20df0482 | 5849 | #endif |
ed1f651b RS |
5850 | break; |
5851 | } | |
5852 | ||
5853 | if (sl) | |
5854 | { | |
3ce9f090 JM |
5855 | value = do_spec_1 (name, 0, NULL); |
5856 | if (value != 0) | |
5857 | return value; | |
ed1f651b | 5858 | } |
b3865ca9 | 5859 | |
3ce9f090 | 5860 | /* Discard the closing paren. */ |
b3865ca9 RS |
5861 | if (*p) |
5862 | p++; | |
ed1f651b RS |
5863 | } |
5864 | break; | |
5865 | ||
5866 | default: | |
bdc6b402 | 5867 | error ("spec failure: unrecognized spec option %qc", c); |
3ac63d94 | 5868 | break; |
ed1f651b RS |
5869 | } |
5870 | break; | |
5871 | ||
5872 | case '\\': | |
5873 | /* Backslash: treat next character as ordinary. */ | |
5874 | c = *p++; | |
5875 | ||
938d968e | 5876 | /* Fall through. */ |
ed1f651b RS |
5877 | default: |
5878 | /* Ordinary character: put it into the current argument. */ | |
5879 | obstack_1grow (&obstack, c); | |
5880 | arg_going = 1; | |
5881 | } | |
5882 | ||
f3226a90 JT |
5883 | /* End of string. If we are processing a spec function, we need to |
5884 | end any pending argument. */ | |
13e7cedb DH |
5885 | if (processing_spec_function) |
5886 | end_going_arg (); | |
f3226a90 | 5887 | |
d25a45d4 | 5888 | return 0; |
ed1f651b RS |
5889 | } |
5890 | ||
f3226a90 JT |
5891 | /* Look up a spec function. */ |
5892 | ||
5893 | static const struct spec_function * | |
1d088dee | 5894 | lookup_spec_function (const char *name) |
f3226a90 | 5895 | { |
f3226a90 | 5896 | const struct spec_function *sf; |
f3226a90 | 5897 | |
4c360e1f RE |
5898 | for (sf = static_spec_functions; sf->name != NULL; sf++) |
5899 | if (strcmp (sf->name, name) == 0) | |
5900 | return sf; | |
f3226a90 JT |
5901 | |
5902 | return NULL; | |
5903 | } | |
5904 | ||
5905 | /* Evaluate a spec function. */ | |
5906 | ||
5907 | static const char * | |
1d088dee | 5908 | eval_spec_function (const char *func, const char *args) |
f3226a90 JT |
5909 | { |
5910 | const struct spec_function *sf; | |
5911 | const char *funcval; | |
5912 | ||
5913 | /* Saved spec processing context. */ | |
9771b263 | 5914 | vec<const_char_p> save_argbuf; |
f3226a90 JT |
5915 | |
5916 | int save_arg_going; | |
5917 | int save_delete_this_arg; | |
5918 | int save_this_is_output_file; | |
5919 | int save_this_is_library_file; | |
5920 | int save_input_from_pipe; | |
3beb864c | 5921 | int save_this_is_linker_script; |
f3226a90 JT |
5922 | const char *save_suffix_subst; |
5923 | ||
b50ff8bb | 5924 | int save_growing_size; |
f87604f8 | 5925 | void *save_growing_value = NULL; |
f3226a90 JT |
5926 | |
5927 | sf = lookup_spec_function (func); | |
5928 | if (sf == NULL) | |
40fecdd6 | 5929 | fatal_error (input_location, "unknown spec function %qs", func); |
f3226a90 JT |
5930 | |
5931 | /* Push the spec processing context. */ | |
f3226a90 JT |
5932 | save_argbuf = argbuf; |
5933 | ||
5934 | save_arg_going = arg_going; | |
5935 | save_delete_this_arg = delete_this_arg; | |
5936 | save_this_is_output_file = this_is_output_file; | |
5937 | save_this_is_library_file = this_is_library_file; | |
3beb864c | 5938 | save_this_is_linker_script = this_is_linker_script; |
f3226a90 JT |
5939 | save_input_from_pipe = input_from_pipe; |
5940 | save_suffix_subst = suffix_subst; | |
5941 | ||
b50ff8bb OH |
5942 | /* If we have some object growing now, finalize it so the args and function |
5943 | eval proceed from a cleared context. This is needed to prevent the first | |
5944 | constructed arg from mistakenly including the growing value. We'll push | |
5945 | this value back on the obstack once the function evaluation is done, to | |
5946 | restore a consistent processing context for our caller. This is fine as | |
5947 | the address of growing objects isn't guaranteed to remain stable until | |
5948 | they are finalized, and we expect this situation to be rare enough for | |
5949 | the extra copy not to be an issue. */ | |
5950 | save_growing_size = obstack_object_size (&obstack); | |
5951 | if (save_growing_size > 0) | |
5952 | save_growing_value = obstack_finish (&obstack); | |
5953 | ||
f3226a90 JT |
5954 | /* Create a new spec processing context, and build the function |
5955 | arguments. */ | |
5956 | ||
5957 | alloc_args (); | |
5958 | if (do_spec_2 (args) < 0) | |
40fecdd6 | 5959 | fatal_error (input_location, "error in args to spec function %qs", func); |
f3226a90 JT |
5960 | |
5961 | /* argbuf_index is an index for the next argument to be inserted, and | |
5962 | so contains the count of the args already inserted. */ | |
5963 | ||
9771b263 DN |
5964 | funcval = (*sf->func) (argbuf.length (), |
5965 | argbuf.address ()); | |
f3226a90 JT |
5966 | |
5967 | /* Pop the spec processing context. */ | |
9771b263 | 5968 | argbuf.release (); |
f3226a90 JT |
5969 | argbuf = save_argbuf; |
5970 | ||
5971 | arg_going = save_arg_going; | |
5972 | delete_this_arg = save_delete_this_arg; | |
5973 | this_is_output_file = save_this_is_output_file; | |
5974 | this_is_library_file = save_this_is_library_file; | |
3beb864c | 5975 | this_is_linker_script = save_this_is_linker_script; |
f3226a90 JT |
5976 | input_from_pipe = save_input_from_pipe; |
5977 | suffix_subst = save_suffix_subst; | |
5978 | ||
b50ff8bb OH |
5979 | if (save_growing_size > 0) |
5980 | obstack_grow (&obstack, save_growing_value, save_growing_size); | |
5981 | ||
f3226a90 JT |
5982 | return funcval; |
5983 | } | |
5984 | ||
5985 | /* Handle a spec function call of the form: | |
5986 | ||
5987 | %:function(args) | |
5988 | ||
5989 | ARGS is processed as a spec in a separate context and split into an | |
5990 | argument vector in the normal fashion. The function returns a string | |
5991 | containing a spec which we then process in the caller's context, or | |
de5a5fa1 MP |
5992 | NULL if no processing is required. |
5993 | ||
5994 | If RETVAL_NONNULL is not NULL, then store a bool whether function | |
5995 | returned non-NULL. */ | |
f3226a90 JT |
5996 | |
5997 | static const char * | |
de5a5fa1 | 5998 | handle_spec_function (const char *p, bool *retval_nonnull) |
f3226a90 JT |
5999 | { |
6000 | char *func, *args; | |
6001 | const char *endp, *funcval; | |
6002 | int count; | |
6003 | ||
6004 | processing_spec_function++; | |
6005 | ||
6006 | /* Get the function name. */ | |
6007 | for (endp = p; *endp != '\0'; endp++) | |
6008 | { | |
6009 | if (*endp == '(') /* ) */ | |
6010 | break; | |
6011 | /* Only allow [A-Za-z0-9], -, and _ in function names. */ | |
6012 | if (!ISALNUM (*endp) && !(*endp == '-' || *endp == '_')) | |
40fecdd6 | 6013 | fatal_error (input_location, "malformed spec function name"); |
f3226a90 JT |
6014 | } |
6015 | if (*endp != '(') /* ) */ | |
40fecdd6 | 6016 | fatal_error (input_location, "no arguments for spec function"); |
f3226a90 JT |
6017 | func = save_string (p, endp - p); |
6018 | p = ++endp; | |
6019 | ||
6020 | /* Get the arguments. */ | |
6021 | for (count = 0; *endp != '\0'; endp++) | |
6022 | { | |
6023 | /* ( */ | |
6024 | if (*endp == ')') | |
6025 | { | |
6026 | if (count == 0) | |
6027 | break; | |
6028 | count--; | |
6029 | } | |
6030 | else if (*endp == '(') /* ) */ | |
6031 | count++; | |
6032 | } | |
6033 | /* ( */ | |
6034 | if (*endp != ')') | |
40fecdd6 | 6035 | fatal_error (input_location, "malformed spec function arguments"); |
f3226a90 JT |
6036 | args = save_string (p, endp - p); |
6037 | p = ++endp; | |
6038 | ||
6039 | /* p now points to just past the end of the spec function expression. */ | |
6040 | ||
6041 | funcval = eval_spec_function (func, args); | |
6042 | if (funcval != NULL && do_spec_1 (funcval, 0, NULL) < 0) | |
6043 | p = NULL; | |
de5a5fa1 MP |
6044 | if (retval_nonnull) |
6045 | *retval_nonnull = funcval != NULL; | |
f3226a90 JT |
6046 | |
6047 | free (func); | |
6048 | free (args); | |
6049 | ||
6050 | processing_spec_function--; | |
6051 | ||
6052 | return p; | |
6053 | } | |
6054 | ||
4977bab6 ZW |
6055 | /* Inline subroutine of handle_braces. Returns true if the current |
6056 | input suffix matches the atom bracketed by ATOM and END_ATOM. */ | |
6057 | static inline bool | |
1d088dee | 6058 | input_suffix_matches (const char *atom, const char *end_atom) |
4977bab6 ZW |
6059 | { |
6060 | return (input_suffix | |
6061 | && !strncmp (input_suffix, atom, end_atom - atom) | |
6062 | && input_suffix[end_atom - atom] == '\0'); | |
6063 | } | |
ed1f651b | 6064 | |
48137d59 GK |
6065 | /* Subroutine of handle_braces. Returns true if the current |
6066 | input file's spec name matches the atom bracketed by ATOM and END_ATOM. */ | |
6067 | static bool | |
6068 | input_spec_matches (const char *atom, const char *end_atom) | |
6069 | { | |
6070 | return (input_file_compiler | |
6071 | && input_file_compiler->suffix | |
6072 | && input_file_compiler->suffix[0] != '\0' | |
6073 | && !strncmp (input_file_compiler->suffix + 1, atom, | |
6074 | end_atom - atom) | |
6075 | && input_file_compiler->suffix[end_atom - atom + 1] == '\0'); | |
6076 | } | |
6077 | ||
953ff289 | 6078 | /* Subroutine of handle_braces. Returns true if a switch |
4977bab6 ZW |
6079 | matching the atom bracketed by ATOM and END_ATOM appeared on the |
6080 | command line. */ | |
953ff289 | 6081 | static bool |
1d088dee | 6082 | switch_matches (const char *atom, const char *end_atom, int starred) |
ed1f651b | 6083 | { |
4977bab6 ZW |
6084 | int i; |
6085 | int len = end_atom - atom; | |
6086 | int plen = starred ? len : -1; | |
ed1f651b | 6087 | |
4977bab6 ZW |
6088 | for (i = 0; i < n_switches; i++) |
6089 | if (!strncmp (switches[i].part1, atom, len) | |
6090 | && (starred || switches[i].part1[len] == '\0') | |
6091 | && check_live_switch (i, plen)) | |
6092 | return true; | |
8097c429 | 6093 | |
5371f719 MG |
6094 | /* Check if a switch with separated form matching the atom. |
6095 | We check -D and -U switches. */ | |
6096 | else if (switches[i].args != 0) | |
6097 | { | |
6098 | if ((*switches[i].part1 == 'D' || *switches[i].part1 == 'U') | |
6099 | && *switches[i].part1 == atom[0]) | |
6100 | { | |
6101 | if (!strncmp (switches[i].args[0], &atom[1], len - 1) | |
6102 | && (starred || (switches[i].part1[1] == '\0' | |
6103 | && switches[i].args[0][len - 1] == '\0')) | |
6104 | && check_live_switch (i, (starred ? 1 : -1))) | |
6105 | return true; | |
6106 | } | |
6107 | } | |
6108 | ||
4977bab6 ZW |
6109 | return false; |
6110 | } | |
ed1f651b | 6111 | |
4977bab6 ZW |
6112 | /* Inline subroutine of handle_braces. Mark all of the switches which |
6113 | match ATOM (extends to END_ATOM; STARRED indicates whether there | |
6114 | was a star after the atom) for later processing. */ | |
6115 | static inline void | |
1d088dee | 6116 | mark_matching_switches (const char *atom, const char *end_atom, int starred) |
4977bab6 ZW |
6117 | { |
6118 | int i; | |
6119 | int len = end_atom - atom; | |
6120 | int plen = starred ? len : -1; | |
6121 | ||
6122 | for (i = 0; i < n_switches; i++) | |
6123 | if (!strncmp (switches[i].part1, atom, len) | |
6124 | && (starred || switches[i].part1[len] == '\0') | |
6125 | && check_live_switch (i, plen)) | |
6126 | switches[i].ordering = 1; | |
6127 | } | |
9bf09437 | 6128 | |
4977bab6 ZW |
6129 | /* Inline subroutine of handle_braces. Process all the currently |
6130 | marked switches through give_switch, and clear the marks. */ | |
6131 | static inline void | |
1d088dee | 6132 | process_marked_switches (void) |
4977bab6 ZW |
6133 | { |
6134 | int i; | |
ed1f651b | 6135 | |
4977bab6 ZW |
6136 | for (i = 0; i < n_switches; i++) |
6137 | if (switches[i].ordering == 1) | |
6138 | { | |
6139 | switches[i].ordering = 0; | |
6140 | give_switch (i, 0); | |
6141 | } | |
6142 | } | |
ed1f651b | 6143 | |
4977bab6 ZW |
6144 | /* Handle a %{ ... } construct. P points just inside the leading {. |
6145 | Returns a pointer one past the end of the brace block, or 0 | |
6146 | if we call do_spec_1 and that returns -1. */ | |
ed1f651b | 6147 | |
4977bab6 | 6148 | static const char * |
1d088dee | 6149 | handle_braces (const char *p) |
4977bab6 ZW |
6150 | { |
6151 | const char *atom, *end_atom; | |
6152 | const char *d_atom = NULL, *d_end_atom = NULL; | |
3b5edfee | 6153 | const char *orig = p; |
8097c429 | 6154 | |
4977bab6 | 6155 | bool a_is_suffix; |
48137d59 | 6156 | bool a_is_spectype; |
4977bab6 ZW |
6157 | bool a_is_starred; |
6158 | bool a_is_negated; | |
6159 | bool a_matched; | |
9bf09437 | 6160 | |
4977bab6 ZW |
6161 | bool a_must_be_last = false; |
6162 | bool ordered_set = false; | |
6163 | bool disjunct_set = false; | |
6164 | bool disj_matched = false; | |
6165 | bool disj_starred = true; | |
6166 | bool n_way_choice = false; | |
6167 | bool n_way_matched = false; | |
6168 | ||
6169 | #define SKIP_WHITE() do { while (*p == ' ' || *p == '\t') p++; } while (0) | |
9bf09437 | 6170 | |
4977bab6 | 6171 | do |
ed1f651b | 6172 | { |
4977bab6 | 6173 | if (a_must_be_last) |
3b5edfee | 6174 | goto invalid; |
9bf09437 | 6175 | |
4977bab6 | 6176 | /* Scan one "atom" (S in the description above of %{}, possibly |
48137d59 GK |
6177 | with '!', '.', '@', ',', or '*' modifiers). */ |
6178 | a_matched = false; | |
6179 | a_is_suffix = false; | |
6180 | a_is_starred = false; | |
6181 | a_is_negated = false; | |
6182 | a_is_spectype = false; | |
9218435e | 6183 | |
c3284718 | 6184 | SKIP_WHITE (); |
4977bab6 ZW |
6185 | if (*p == '!') |
6186 | p++, a_is_negated = true; | |
ed1f651b | 6187 | |
c3284718 | 6188 | SKIP_WHITE (); |
de5a5fa1 MP |
6189 | if (*p == '%' && p[1] == ':') |
6190 | { | |
6191 | atom = NULL; | |
6192 | end_atom = NULL; | |
6193 | p = handle_spec_function (p + 2, &a_matched); | |
6194 | } | |
6195 | else | |
6196 | { | |
6197 | if (*p == '.') | |
6198 | p++, a_is_suffix = true; | |
6199 | else if (*p == ',') | |
6200 | p++, a_is_spectype = true; | |
6201 | ||
6202 | atom = p; | |
c3284718 | 6203 | while (ISIDNUM (*p) || *p == '-' || *p == '+' || *p == '=' |
de5a5fa1 MP |
6204 | || *p == ',' || *p == '.' || *p == '@') |
6205 | p++; | |
6206 | end_atom = p; | |
ed1f651b | 6207 | |
de5a5fa1 MP |
6208 | if (*p == '*') |
6209 | p++, a_is_starred = 1; | |
6210 | } | |
196a37f4 | 6211 | |
c3284718 | 6212 | SKIP_WHITE (); |
3b5edfee | 6213 | switch (*p) |
4977bab6 | 6214 | { |
3b5edfee | 6215 | case '&': case '}': |
4977bab6 ZW |
6216 | /* Substitute the switch(es) indicated by the current atom. */ |
6217 | ordered_set = true; | |
6218 | if (disjunct_set || n_way_choice || a_is_negated || a_is_suffix | |
48137d59 | 6219 | || a_is_spectype || atom == end_atom) |
3b5edfee | 6220 | goto invalid; |
ed1f651b | 6221 | |
4977bab6 ZW |
6222 | mark_matching_switches (atom, end_atom, a_is_starred); |
6223 | ||
6224 | if (*p == '}') | |
6225 | process_marked_switches (); | |
3b5edfee NS |
6226 | break; |
6227 | ||
6228 | case '|': case ':': | |
4977bab6 ZW |
6229 | /* Substitute some text if the current atom appears as a switch |
6230 | or suffix. */ | |
6231 | disjunct_set = true; | |
6232 | if (ordered_set) | |
3b5edfee | 6233 | goto invalid; |
ed1f651b | 6234 | |
de5a5fa1 | 6235 | if (atom && atom == end_atom) |
ed1f651b | 6236 | { |
4977bab6 | 6237 | if (!n_way_choice || disj_matched || *p == '|' |
b8698a0f | 6238 | || a_is_negated || a_is_suffix || a_is_spectype |
48137d59 | 6239 | || a_is_starred) |
3b5edfee | 6240 | goto invalid; |
4977bab6 ZW |
6241 | |
6242 | /* An empty term may appear as the last choice of an | |
6243 | N-way choice set; it means "otherwise". */ | |
6244 | a_must_be_last = true; | |
6245 | disj_matched = !n_way_matched; | |
6246 | disj_starred = false; | |
ed1f651b | 6247 | } |
4977bab6 | 6248 | else |
ed1f651b | 6249 | { |
48137d59 GK |
6250 | if ((a_is_suffix || a_is_spectype) && a_is_starred) |
6251 | goto invalid; | |
3beb864c | 6252 | |
48137d59 GK |
6253 | if (!a_is_starred) |
6254 | disj_starred = false; | |
6255 | ||
6256 | /* Don't bother testing this atom if we already have a | |
6257 | match. */ | |
6258 | if (!disj_matched && !n_way_matched) | |
6259 | { | |
de5a5fa1 MP |
6260 | if (atom == NULL) |
6261 | /* a_matched is already set by handle_spec_function. */; | |
6262 | else if (a_is_suffix) | |
48137d59 GK |
6263 | a_matched = input_suffix_matches (atom, end_atom); |
6264 | else if (a_is_spectype) | |
6265 | a_matched = input_spec_matches (atom, end_atom); | |
6266 | else | |
6267 | a_matched = switch_matches (atom, end_atom, a_is_starred); | |
3beb864c | 6268 | |
48137d59 GK |
6269 | if (a_matched != a_is_negated) |
6270 | { | |
6271 | disj_matched = true; | |
6272 | d_atom = atom; | |
6273 | d_end_atom = end_atom; | |
6274 | } | |
6275 | } | |
ed1f651b | 6276 | } |
ed1f651b | 6277 | |
4977bab6 | 6278 | if (*p == ':') |
ed1f651b | 6279 | { |
4977bab6 ZW |
6280 | /* Found the body, that is, the text to substitute if the |
6281 | current disjunction matches. */ | |
6282 | p = process_brace_body (p + 1, d_atom, d_end_atom, disj_starred, | |
6283 | disj_matched && !n_way_matched); | |
6284 | if (p == 0) | |
6285 | return 0; | |
ed1f651b | 6286 | |
4977bab6 ZW |
6287 | /* If we have an N-way choice, reset state for the next |
6288 | disjunction. */ | |
6289 | if (*p == ';') | |
ed1f651b | 6290 | { |
4977bab6 ZW |
6291 | n_way_choice = true; |
6292 | n_way_matched |= disj_matched; | |
6293 | disj_matched = false; | |
6294 | disj_starred = true; | |
6295 | d_atom = d_end_atom = NULL; | |
ed1f651b RS |
6296 | } |
6297 | } | |
3b5edfee NS |
6298 | break; |
6299 | ||
6300 | default: | |
6301 | goto invalid; | |
ed1f651b | 6302 | } |
4977bab6 ZW |
6303 | } |
6304 | while (*p++ != '}'); | |
ed1f651b | 6305 | |
4977bab6 | 6306 | return p; |
7904f95f | 6307 | |
3b5edfee | 6308 | invalid: |
40fecdd6 | 6309 | fatal_error (input_location, "braced spec %qs is invalid at %qc", orig, *p); |
7904f95f | 6310 | |
4977bab6 ZW |
6311 | #undef SKIP_WHITE |
6312 | } | |
6313 | ||
6314 | /* Subroutine of handle_braces. Scan and process a brace substitution body | |
6315 | (X in the description of %{} syntax). P points one past the colon; | |
6316 | ATOM and END_ATOM bracket the first atom which was found to be true | |
6317 | (present) in the current disjunction; STARRED indicates whether all | |
6318 | the atoms in the current disjunction were starred (for syntax validation); | |
6319 | MATCHED indicates whether the disjunction matched or not, and therefore | |
6320 | whether or not the body is to be processed through do_spec_1 or just | |
6321 | skipped. Returns a pointer to the closing } or ;, or 0 if do_spec_1 | |
6322 | returns -1. */ | |
6323 | ||
6324 | static const char * | |
1d088dee AJ |
6325 | process_brace_body (const char *p, const char *atom, const char *end_atom, |
6326 | int starred, int matched) | |
4977bab6 ZW |
6327 | { |
6328 | const char *body, *end_body; | |
6329 | unsigned int nesting_level; | |
6330 | bool have_subst = false; | |
6331 | ||
6332 | /* Locate the closing } or ;, honoring nested braces. | |
6333 | Trim trailing whitespace. */ | |
6334 | body = p; | |
6335 | nesting_level = 1; | |
6336 | for (;;) | |
6337 | { | |
6338 | if (*p == '{') | |
6339 | nesting_level++; | |
6340 | else if (*p == '}') | |
ed1f651b | 6341 | { |
4977bab6 ZW |
6342 | if (!--nesting_level) |
6343 | break; | |
ed1f651b | 6344 | } |
4977bab6 ZW |
6345 | else if (*p == ';' && nesting_level == 1) |
6346 | break; | |
6347 | else if (*p == '%' && p[1] == '*' && nesting_level == 1) | |
6348 | have_subst = true; | |
6349 | else if (*p == '\0') | |
3b5edfee | 6350 | goto invalid; |
4977bab6 | 6351 | p++; |
ed1f651b | 6352 | } |
1d088dee | 6353 | |
4977bab6 ZW |
6354 | end_body = p; |
6355 | while (end_body[-1] == ' ' || end_body[-1] == '\t') | |
6356 | end_body--; | |
ed1f651b | 6357 | |
4977bab6 | 6358 | if (have_subst && !starred) |
3b5edfee | 6359 | goto invalid; |
9bf09437 | 6360 | |
4977bab6 | 6361 | if (matched) |
196a37f4 | 6362 | { |
4977bab6 ZW |
6363 | /* Copy the substitution body to permanent storage and execute it. |
6364 | If have_subst is false, this is a simple matter of running the | |
6365 | body through do_spec_1... */ | |
6366 | char *string = save_string (body, end_body - body); | |
6367 | if (!have_subst) | |
6368 | { | |
6369 | if (do_spec_1 (string, 0, NULL) < 0) | |
9376dd63 DM |
6370 | { |
6371 | free (string); | |
6372 | return 0; | |
6373 | } | |
4977bab6 ZW |
6374 | } |
6375 | else | |
6376 | { | |
6377 | /* ... but if have_subst is true, we have to process the | |
6378 | body once for each matching switch, with %* set to the | |
6379 | variant part of the switch. */ | |
6380 | unsigned int hard_match_len = end_atom - atom; | |
6381 | int i; | |
196a37f4 | 6382 | |
4977bab6 ZW |
6383 | for (i = 0; i < n_switches; i++) |
6384 | if (!strncmp (switches[i].part1, atom, hard_match_len) | |
6385 | && check_live_switch (i, hard_match_len)) | |
6386 | { | |
6387 | if (do_spec_1 (string, 0, | |
6388 | &switches[i].part1[hard_match_len]) < 0) | |
9376dd63 DM |
6389 | { |
6390 | free (string); | |
6391 | return 0; | |
6392 | } | |
4977bab6 ZW |
6393 | /* Pass any arguments this switch has. */ |
6394 | give_switch (i, 1); | |
6395 | suffix_subst = NULL; | |
6396 | } | |
6397 | } | |
9376dd63 | 6398 | free (string); |
10ebf5fe NB |
6399 | } |
6400 | ||
4977bab6 | 6401 | return p; |
3b5edfee NS |
6402 | |
6403 | invalid: | |
40fecdd6 | 6404 | fatal_error (input_location, "braced spec body %qs is invalid", body); |
ed1f651b | 6405 | } |
f5b0eb4e | 6406 | \f |
6c396fb5 RK |
6407 | /* Return 0 iff switch number SWITCHNUM is obsoleted by a later switch |
6408 | on the command line. PREFIX_LENGTH is the length of XXX in an {XXX*} | |
6409 | spec, or -1 if either exact match or %* is used. | |
f5b0eb4e | 6410 | |
99ea153e | 6411 | A -O switch is obsoleted by a later -O switch. A -f, -g, -m, or -W switch |
f5b0eb4e RK |
6412 | whose value does not begin with "no-" is obsoleted by the same value |
6413 | with the "no-", similarly for a switch with the "no-" prefix. */ | |
6414 | ||
6415 | static int | |
1d088dee | 6416 | check_live_switch (int switchnum, int prefix_length) |
f5b0eb4e | 6417 | { |
878f32c3 | 6418 | const char *name = switches[switchnum].part1; |
f5b0eb4e RK |
6419 | int i; |
6420 | ||
2153915d AO |
6421 | /* If we already processed this switch and determined if it was |
6422 | live or not, return our past determination. */ | |
6423 | if (switches[switchnum].live_cond != 0) | |
6424 | return ((switches[switchnum].live_cond & SWITCH_LIVE) != 0 | |
6425 | && (switches[switchnum].live_cond & SWITCH_FALSE) == 0 | |
94b90527 JJ |
6426 | && (switches[switchnum].live_cond & SWITCH_IGNORE_PERMANENTLY) |
6427 | == 0); | |
2153915d | 6428 | |
6c396fb5 | 6429 | /* In the common case of {<at-most-one-letter>*}, a negating |
f5b0eb4e RK |
6430 | switch would always match, so ignore that case. We will just |
6431 | send the conflicting switches to the compiler phase. */ | |
6c396fb5 | 6432 | if (prefix_length >= 0 && prefix_length <= 1) |
f5b0eb4e RK |
6433 | return 1; |
6434 | ||
f5b0eb4e RK |
6435 | /* Now search for duplicate in a manner that depends on the name. */ |
6436 | switch (*name) | |
6437 | { | |
6438 | case 'O': | |
d25a45d4 KH |
6439 | for (i = switchnum + 1; i < n_switches; i++) |
6440 | if (switches[i].part1[0] == 'O') | |
6441 | { | |
d168aaee | 6442 | switches[switchnum].validated = true; |
d25a45d4 KH |
6443 | switches[switchnum].live_cond = SWITCH_FALSE; |
6444 | return 0; | |
6445 | } | |
f5b0eb4e | 6446 | break; |
ed1f651b | 6447 | |
99ea153e | 6448 | case 'W': case 'f': case 'm': case 'g': |
6c396fb5 | 6449 | if (! strncmp (name + 1, "no-", 3)) |
f5b0eb4e | 6450 | { |
0f41302f | 6451 | /* We have Xno-YYY, search for XYYY. */ |
f5b0eb4e RK |
6452 | for (i = switchnum + 1; i < n_switches; i++) |
6453 | if (switches[i].part1[0] == name[0] | |
6454 | && ! strcmp (&switches[i].part1[1], &name[4])) | |
d25a45d4 | 6455 | { |
d168aaee CB |
6456 | /* --specs are validated with the validate_switches mechanism. */ |
6457 | if (switches[switchnum].known) | |
6458 | switches[switchnum].validated = true; | |
d25a45d4 KH |
6459 | switches[switchnum].live_cond = SWITCH_FALSE; |
6460 | return 0; | |
6461 | } | |
f5b0eb4e RK |
6462 | } |
6463 | else | |
6464 | { | |
6465 | /* We have XYYY, search for Xno-YYY. */ | |
6466 | for (i = switchnum + 1; i < n_switches; i++) | |
6467 | if (switches[i].part1[0] == name[0] | |
6468 | && switches[i].part1[1] == 'n' | |
6469 | && switches[i].part1[2] == 'o' | |
6470 | && switches[i].part1[3] == '-' | |
6471 | && !strcmp (&switches[i].part1[4], &name[1])) | |
d25a45d4 | 6472 | { |
d168aaee CB |
6473 | /* --specs are validated with the validate_switches mechanism. */ |
6474 | if (switches[switchnum].known) | |
6475 | switches[switchnum].validated = true; | |
d25a45d4 KH |
6476 | switches[switchnum].live_cond = SWITCH_FALSE; |
6477 | return 0; | |
6478 | } | |
f5b0eb4e RK |
6479 | } |
6480 | break; | |
6481 | } | |
6482 | ||
6483 | /* Otherwise the switch is live. */ | |
3371362c | 6484 | switches[switchnum].live_cond |= SWITCH_LIVE; |
f5b0eb4e RK |
6485 | return 1; |
6486 | } | |
6487 | \f | |
ed1f651b RS |
6488 | /* Pass a switch to the current accumulating command |
6489 | in the same form that we received it. | |
6490 | SWITCHNUM identifies the switch; it is an index into | |
6491 | the vector of switches gcc received, which is `switches'. | |
6492 | This cannot fail since it never finishes a command line. | |
6493 | ||
4977bab6 | 6494 | If OMIT_FIRST_WORD is nonzero, then we omit .part1 of the argument. */ |
ed1f651b RS |
6495 | |
6496 | static void | |
1d088dee | 6497 | give_switch (int switchnum, int omit_first_word) |
ed1f651b | 6498 | { |
3371362c | 6499 | if ((switches[switchnum].live_cond & SWITCH_IGNORE) != 0) |
8097c429 TT |
6500 | return; |
6501 | ||
ed1f651b RS |
6502 | if (!omit_first_word) |
6503 | { | |
6496a589 KG |
6504 | do_spec_1 ("-", 0, NULL); |
6505 | do_spec_1 (switches[switchnum].part1, 1, NULL); | |
ed1f651b | 6506 | } |
1ba9a487 | 6507 | |
ed1f651b RS |
6508 | if (switches[switchnum].args != 0) |
6509 | { | |
fbd40359 | 6510 | const char **p; |
ed1f651b RS |
6511 | for (p = switches[switchnum].args; *p; p++) |
6512 | { | |
11972f66 NS |
6513 | const char *arg = *p; |
6514 | ||
4977bab6 | 6515 | do_spec_1 (" ", 0, NULL); |
11972f66 NS |
6516 | if (suffix_subst) |
6517 | { | |
6518 | unsigned length = strlen (arg); | |
e65677af | 6519 | int dot = 0; |
11972f66 NS |
6520 | |
6521 | while (length-- && !IS_DIR_SEPARATOR (arg[length])) | |
6522 | if (arg[length] == '.') | |
6523 | { | |
c3284718 | 6524 | (CONST_CAST (char *, arg))[length] = 0; |
e65677af | 6525 | dot = 1; |
11972f66 NS |
6526 | break; |
6527 | } | |
6496a589 | 6528 | do_spec_1 (arg, 1, NULL); |
e65677af | 6529 | if (dot) |
c3284718 | 6530 | (CONST_CAST (char *, arg))[length] = '.'; |
e65677af | 6531 | do_spec_1 (suffix_subst, 1, NULL); |
11972f66 NS |
6532 | } |
6533 | else | |
6496a589 | 6534 | do_spec_1 (arg, 1, NULL); |
ed1f651b RS |
6535 | } |
6536 | } | |
1ba9a487 | 6537 | |
6496a589 | 6538 | do_spec_1 (" ", 0, NULL); |
d168aaee | 6539 | switches[switchnum].validated = true; |
ed1f651b RS |
6540 | } |
6541 | \f | |
dc10fd96 JJ |
6542 | /* Print GCC configuration (e.g. version, thread model, target, |
6543 | configuration_arguments) to a given FILE. */ | |
6544 | ||
6545 | static void | |
6546 | print_configuration (FILE *file) | |
6547 | { | |
6548 | int n; | |
6549 | const char *thrmod; | |
6550 | ||
6551 | fnotice (file, "Target: %s\n", spec_machine); | |
6552 | fnotice (file, "Configured with: %s\n", configuration_arguments); | |
6553 | ||
6554 | #ifdef THREAD_MODEL_SPEC | |
6555 | /* We could have defined THREAD_MODEL_SPEC to "%*" by default, | |
6556 | but there's no point in doing all this processing just to get | |
6557 | thread_model back. */ | |
6558 | obstack_init (&obstack); | |
6559 | do_spec_1 (THREAD_MODEL_SPEC, 0, thread_model); | |
6560 | obstack_1grow (&obstack, '\0'); | |
6561 | thrmod = XOBFINISH (&obstack, const char *); | |
6562 | #else | |
6563 | thrmod = thread_model; | |
6564 | #endif | |
6565 | ||
6566 | fnotice (file, "Thread model: %s\n", thrmod); | |
6567 | ||
6568 | /* compiler_version is truncated at the first space when initialized | |
6569 | from version string, so truncate version_string at the first space | |
6570 | before comparing. */ | |
6571 | for (n = 0; version_string[n]; n++) | |
6572 | if (version_string[n] == ' ') | |
6573 | break; | |
6574 | ||
6575 | if (! strncmp (version_string, compiler_version, n) | |
6576 | && compiler_version[n] == 0) | |
29585247 | 6577 | fnotice (file, "gcc version %s %s\n", version_string, |
dc10fd96 JJ |
6578 | pkgversion_string); |
6579 | else | |
29585247 | 6580 | fnotice (file, "gcc driver version %s %sexecuting gcc version %s\n", |
dc10fd96 JJ |
6581 | version_string, pkgversion_string, compiler_version); |
6582 | ||
6583 | } | |
6584 | ||
6585 | #define RETRY_ICE_ATTEMPTS 3 | |
6586 | ||
6587 | /* Returns true if FILE1 and FILE2 contain equivalent data, 0 otherwise. */ | |
6588 | ||
6589 | static bool | |
6590 | files_equal_p (char *file1, char *file2) | |
6591 | { | |
6592 | struct stat st1, st2; | |
6593 | off_t n, len; | |
6594 | int fd1, fd2; | |
6595 | const int bufsize = 8192; | |
6596 | char *buf = XNEWVEC (char, bufsize); | |
6597 | ||
6598 | fd1 = open (file1, O_RDONLY); | |
6599 | fd2 = open (file2, O_RDONLY); | |
6600 | ||
6601 | if (fd1 < 0 || fd2 < 0) | |
6602 | goto error; | |
6603 | ||
6604 | if (fstat (fd1, &st1) < 0 || fstat (fd2, &st2) < 0) | |
6605 | goto error; | |
6606 | ||
6607 | if (st1.st_size != st2.st_size) | |
6608 | goto error; | |
6609 | ||
6610 | for (n = st1.st_size; n; n -= len) | |
6611 | { | |
6612 | len = n; | |
6613 | if ((int) len > bufsize / 2) | |
6614 | len = bufsize / 2; | |
6615 | ||
6616 | if (read (fd1, buf, len) != (int) len | |
6617 | || read (fd2, buf + bufsize / 2, len) != (int) len) | |
6618 | { | |
6619 | goto error; | |
6620 | } | |
6621 | ||
6622 | if (memcmp (buf, buf + bufsize / 2, len) != 0) | |
6623 | goto error; | |
6624 | } | |
6625 | ||
6626 | free (buf); | |
6627 | close (fd1); | |
6628 | close (fd2); | |
6629 | ||
6630 | return 1; | |
6631 | ||
6632 | error: | |
6633 | free (buf); | |
6634 | close (fd1); | |
6635 | close (fd2); | |
6636 | return 0; | |
6637 | } | |
6638 | ||
6639 | /* Check that compiler's output doesn't differ across runs. | |
6640 | TEMP_STDOUT_FILES and TEMP_STDERR_FILES are arrays of files, containing | |
6641 | stdout and stderr for each compiler run. Return true if all of | |
6642 | TEMP_STDOUT_FILES and TEMP_STDERR_FILES are equivalent. */ | |
6643 | ||
6644 | static bool | |
6645 | check_repro (char **temp_stdout_files, char **temp_stderr_files) | |
6646 | { | |
6647 | int i; | |
6648 | for (i = 0; i < RETRY_ICE_ATTEMPTS - 2; ++i) | |
6649 | { | |
6650 | if (!files_equal_p (temp_stdout_files[i], temp_stdout_files[i + 1]) | |
6651 | || !files_equal_p (temp_stderr_files[i], temp_stderr_files[i + 1])) | |
6652 | { | |
6653 | fnotice (stderr, "The bug is not reproducible, so it is" | |
6654 | " likely a hardware or OS problem.\n"); | |
6655 | break; | |
6656 | } | |
6657 | } | |
6658 | return i == RETRY_ICE_ATTEMPTS - 2; | |
6659 | } | |
6660 | ||
6661 | enum attempt_status { | |
6662 | ATTEMPT_STATUS_FAIL_TO_RUN, | |
6663 | ATTEMPT_STATUS_SUCCESS, | |
6664 | ATTEMPT_STATUS_ICE | |
6665 | }; | |
6666 | ||
6667 | ||
6668 | /* Run compiler with arguments NEW_ARGV to reproduce the ICE, storing stdout | |
6669 | to OUT_TEMP and stderr to ERR_TEMP. If APPEND is TRUE, append to OUT_TEMP | |
6670 | and ERR_TEMP instead of truncating. If EMIT_SYSTEM_INFO is TRUE, also write | |
6671 | GCC configuration into to ERR_TEMP. Return ATTEMPT_STATUS_FAIL_TO_RUN if | |
6672 | compiler failed to run, ATTEMPT_STATUS_ICE if compiled ICE-ed and | |
6673 | ATTEMPT_STATUS_SUCCESS otherwise. */ | |
6674 | ||
6675 | static enum attempt_status | |
6676 | run_attempt (const char **new_argv, const char *out_temp, | |
6677 | const char *err_temp, int emit_system_info, int append) | |
6678 | { | |
6679 | ||
6680 | if (emit_system_info) | |
6681 | { | |
6682 | FILE *file_out = fopen (err_temp, "a"); | |
6683 | print_configuration (file_out); | |
29585247 | 6684 | fputs ("\n", file_out); |
dc10fd96 JJ |
6685 | fclose (file_out); |
6686 | } | |
6687 | ||
6688 | int exit_status; | |
6689 | const char *errmsg; | |
6690 | struct pex_obj *pex; | |
6691 | int err; | |
6692 | int pex_flags = PEX_USE_PIPES | PEX_LAST; | |
6693 | enum attempt_status status = ATTEMPT_STATUS_FAIL_TO_RUN; | |
6694 | ||
6695 | if (append) | |
6696 | pex_flags |= PEX_STDOUT_APPEND | PEX_STDERR_APPEND; | |
6697 | ||
6698 | pex = pex_init (PEX_USE_PIPES, new_argv[0], NULL); | |
6699 | if (!pex) | |
40fecdd6 | 6700 | fatal_error (input_location, "pex_init failed: %m"); |
dc10fd96 JJ |
6701 | |
6702 | errmsg = pex_run (pex, pex_flags, new_argv[0], | |
6703 | CONST_CAST2 (char *const *, const char **, &new_argv[1]), out_temp, | |
6704 | err_temp, &err); | |
1120a850 TS |
6705 | if (errmsg != NULL) |
6706 | { | |
6707 | if (err == 0) | |
40fecdd6 | 6708 | fatal_error (input_location, errmsg); |
1120a850 TS |
6709 | else |
6710 | { | |
6711 | errno = err; | |
6712 | pfatal_with_name (errmsg); | |
6713 | } | |
6714 | } | |
dc10fd96 JJ |
6715 | |
6716 | if (!pex_get_status (pex, 1, &exit_status)) | |
6717 | goto out; | |
6718 | ||
6719 | switch (WEXITSTATUS (exit_status)) | |
6720 | { | |
6721 | case ICE_EXIT_CODE: | |
6722 | status = ATTEMPT_STATUS_ICE; | |
6723 | break; | |
6724 | ||
6725 | case SUCCESS_EXIT_CODE: | |
6726 | status = ATTEMPT_STATUS_SUCCESS; | |
6727 | break; | |
6728 | ||
6729 | default: | |
6730 | ; | |
6731 | } | |
6732 | ||
6733 | out: | |
6734 | pex_free (pex); | |
6735 | return status; | |
6736 | } | |
6737 | ||
f78a6ae4 MO |
6738 | /* This routine reads lines from IN file, adds C++ style comments |
6739 | at the begining of each line and writes result into OUT. */ | |
6740 | ||
6741 | static void | |
6742 | insert_comments (const char *file_in, const char *file_out) | |
6743 | { | |
6744 | FILE *in = fopen (file_in, "rb"); | |
6745 | FILE *out = fopen (file_out, "wb"); | |
6746 | char line[256]; | |
6747 | ||
6748 | bool add_comment = true; | |
6749 | while (fgets (line, sizeof (line), in)) | |
6750 | { | |
6751 | if (add_comment) | |
6752 | fputs ("// ", out); | |
6753 | fputs (line, out); | |
6754 | add_comment = strchr (line, '\n') != NULL; | |
6755 | } | |
6756 | ||
6757 | fclose (in); | |
6758 | fclose (out); | |
6759 | } | |
6760 | ||
dc10fd96 JJ |
6761 | /* This routine adds preprocessed source code into the given ERR_FILE. |
6762 | To do this, it adds "-E" to NEW_ARGV and execute RUN_ATTEMPT routine to | |
6763 | add information in report file. RUN_ATTEMPT should return | |
6764 | ATTEMPT_STATUS_SUCCESS, in other case we cannot generate the report. */ | |
6765 | ||
6766 | static void | |
6767 | do_report_bug (const char **new_argv, const int nargs, | |
6768 | char **out_file, char **err_file) | |
6769 | { | |
6770 | int i, status; | |
6771 | int fd = open (*out_file, O_RDWR | O_APPEND); | |
6772 | if (fd < 0) | |
6773 | return; | |
6774 | write (fd, "\n//", 3); | |
6775 | for (i = 0; i < nargs; i++) | |
6776 | { | |
6777 | write (fd, " ", 1); | |
6778 | write (fd, new_argv[i], strlen (new_argv[i])); | |
6779 | } | |
6780 | write (fd, "\n\n", 2); | |
6781 | close (fd); | |
6782 | new_argv[nargs] = "-E"; | |
6783 | new_argv[nargs + 1] = NULL; | |
6784 | ||
6785 | status = run_attempt (new_argv, *out_file, *err_file, 0, 1); | |
6786 | ||
6787 | if (status == ATTEMPT_STATUS_SUCCESS) | |
6788 | { | |
6789 | fnotice (stderr, "Preprocessed source stored into %s file," | |
6790 | " please attach this to your bugreport.\n", *out_file); | |
6791 | /* Make sure it is not deleted. */ | |
6792 | free (*out_file); | |
6793 | *out_file = NULL; | |
6794 | } | |
6795 | } | |
6796 | ||
dc10fd96 JJ |
6797 | /* Try to reproduce ICE. If bug is reproducible, generate report .err file |
6798 | containing GCC configuration, backtrace, compiler's command line options | |
6799 | and preprocessed source code. */ | |
6800 | ||
6801 | static void | |
1120a850 | 6802 | try_generate_repro (const char **argv) |
dc10fd96 JJ |
6803 | { |
6804 | int i, nargs, out_arg = -1, quiet = 0, attempt; | |
6805 | const char **new_argv; | |
6806 | char *temp_files[RETRY_ICE_ATTEMPTS * 2]; | |
6807 | char **temp_stdout_files = &temp_files[0]; | |
6808 | char **temp_stderr_files = &temp_files[RETRY_ICE_ATTEMPTS]; | |
6809 | ||
6810 | if (gcc_input_filename == NULL || ! strcmp (gcc_input_filename, "-")) | |
6811 | return; | |
6812 | ||
6813 | for (nargs = 0; argv[nargs] != NULL; ++nargs) | |
6814 | /* Only retry compiler ICEs, not preprocessor ones. */ | |
6815 | if (! strcmp (argv[nargs], "-E")) | |
6816 | return; | |
6817 | else if (argv[nargs][0] == '-' && argv[nargs][1] == 'o') | |
6818 | { | |
6819 | if (out_arg == -1) | |
6820 | out_arg = nargs; | |
6821 | else | |
6822 | return; | |
6823 | } | |
6824 | /* If the compiler is going to output any time information, | |
6825 | it might varry between invocations. */ | |
6826 | else if (! strcmp (argv[nargs], "-quiet")) | |
6827 | quiet = 1; | |
6828 | else if (! strcmp (argv[nargs], "-ftime-report")) | |
6829 | return; | |
6830 | ||
6831 | if (out_arg == -1 || !quiet) | |
6832 | return; | |
6833 | ||
6834 | memset (temp_files, '\0', sizeof (temp_files)); | |
6835 | new_argv = XALLOCAVEC (const char *, nargs + 4); | |
6836 | memcpy (new_argv, argv, (nargs + 1) * sizeof (const char *)); | |
6837 | new_argv[nargs++] = "-frandom-seed=0"; | |
6838 | new_argv[nargs++] = "-fdump-noaddr"; | |
6839 | new_argv[nargs] = NULL; | |
6840 | if (new_argv[out_arg][2] == '\0') | |
6841 | new_argv[out_arg + 1] = "-"; | |
6842 | else | |
6843 | new_argv[out_arg] = "-o-"; | |
6844 | ||
6845 | int status; | |
6846 | for (attempt = 0; attempt < RETRY_ICE_ATTEMPTS; ++attempt) | |
6847 | { | |
6848 | int emit_system_info = 0; | |
6849 | int append = 0; | |
6850 | temp_stdout_files[attempt] = make_temp_file (".out"); | |
6851 | temp_stderr_files[attempt] = make_temp_file (".err"); | |
6852 | ||
6853 | if (attempt == RETRY_ICE_ATTEMPTS - 1) | |
6854 | { | |
6855 | append = 1; | |
6856 | emit_system_info = 1; | |
6857 | } | |
6858 | ||
dc10fd96 JJ |
6859 | status = run_attempt (new_argv, temp_stdout_files[attempt], |
6860 | temp_stderr_files[attempt], emit_system_info, | |
6861 | append); | |
6862 | ||
dc10fd96 JJ |
6863 | if (status != ATTEMPT_STATUS_ICE) |
6864 | { | |
6865 | fnotice (stderr, "The bug is not reproducible, so it is" | |
6866 | " likely a hardware or OS problem.\n"); | |
6867 | goto out; | |
6868 | } | |
6869 | } | |
6870 | ||
6871 | if (!check_repro (temp_stdout_files, temp_stderr_files)) | |
6872 | goto out; | |
6873 | ||
f78a6ae4 MO |
6874 | { |
6875 | /* Insert commented out backtrace into report file. */ | |
6876 | char **stderr_commented = &temp_stdout_files[RETRY_ICE_ATTEMPTS - 1]; | |
6877 | insert_comments (temp_stderr_files[RETRY_ICE_ATTEMPTS - 1], | |
6878 | *stderr_commented); | |
6879 | ||
6880 | /* In final attempt we append compiler options and preprocesssed code to last | |
6881 | generated .out file with configuration and backtrace. */ | |
6882 | char **output = &temp_stdout_files[RETRY_ICE_ATTEMPTS - 1]; | |
6883 | do_report_bug (new_argv, nargs, stderr_commented, output); | |
6884 | } | |
dc10fd96 JJ |
6885 | |
6886 | out: | |
6887 | for (i = 0; i < RETRY_ICE_ATTEMPTS * 2; i++) | |
6888 | if (temp_files[i]) | |
6889 | { | |
6890 | unlink (temp_stdout_files[i]); | |
6891 | free (temp_stdout_files[i]); | |
6892 | } | |
6893 | } | |
6894 | ||
ed1f651b RS |
6895 | /* Search for a file named NAME trying various prefixes including the |
6896 | user's -B prefix and some standard ones. | |
6897 | Return the absolute file name found. If nothing is found, return NAME. */ | |
6898 | ||
878f32c3 | 6899 | static const char * |
1d088dee | 6900 | find_file (const char *name) |
ed1f651b | 6901 | { |
00dcee0c | 6902 | char *newname = find_a_file (&startfile_prefixes, name, R_OK, true); |
ed1f651b RS |
6903 | return newname ? newname : name; |
6904 | } | |
6905 | ||
0ad5835e | 6906 | /* Determine whether a directory exists. If LINKER, return 0 for |
00dcee0c | 6907 | certain fixed names not needed by the linker. */ |
ed1f651b RS |
6908 | |
6909 | static int | |
00dcee0c | 6910 | is_directory (const char *path1, bool linker) |
ed1f651b | 6911 | { |
00dcee0c AM |
6912 | int len1; |
6913 | char *path; | |
ed1f651b RS |
6914 | char *cp; |
6915 | struct stat st; | |
6916 | ||
00dcee0c AM |
6917 | /* Ensure the string ends with "/.". The resulting path will be a |
6918 | directory even if the given path is a symbolic link. */ | |
6919 | len1 = strlen (path1); | |
e1e4cdc4 | 6920 | path = (char *) alloca (3 + len1); |
7e2231e7 | 6921 | memcpy (path, path1, len1); |
00dcee0c | 6922 | cp = path + len1; |
509781a4 | 6923 | if (!IS_DIR_SEPARATOR (cp[-1])) |
48ff801b | 6924 | *cp++ = DIR_SEPARATOR; |
ed1f651b RS |
6925 | *cp++ = '.'; |
6926 | *cp = '\0'; | |
6927 | ||
6928 | /* Exclude directories that the linker is known to search. */ | |
0ad5835e | 6929 | if (linker |
00dcee0c | 6930 | && IS_DIR_SEPARATOR (path[0]) |
48ff801b | 6931 | && ((cp - path == 6 |
ba78087b | 6932 | && filename_ncmp (path + 1, "lib", 3) == 0) |
48ff801b | 6933 | || (cp - path == 10 |
ba78087b | 6934 | && filename_ncmp (path + 1, "usr", 3) == 0 |
00dcee0c | 6935 | && IS_DIR_SEPARATOR (path[4]) |
ba78087b | 6936 | && filename_ncmp (path + 5, "lib", 3) == 0))) |
ed1f651b RS |
6937 | return 0; |
6938 | ||
6939 | return (stat (path, &st) >= 0 && S_ISDIR (st.st_mode)); | |
6940 | } | |
512b62fb JM |
6941 | |
6942 | /* Set up the various global variables to indicate that we're processing | |
6943 | the input file named FILENAME. */ | |
6944 | ||
b856c15d | 6945 | void |
1d088dee | 6946 | set_input (const char *filename) |
512b62fb | 6947 | { |
b3694847 | 6948 | const char *p; |
512b62fb | 6949 | |
6afbc885 JM |
6950 | gcc_input_filename = filename; |
6951 | input_filename_length = strlen (gcc_input_filename); | |
6952 | input_basename = lbasename (gcc_input_filename); | |
512b62fb JM |
6953 | |
6954 | /* Find a suffix starting with the last period, | |
6955 | and set basename_length to exclude that suffix. */ | |
6956 | basename_length = strlen (input_basename); | |
ea414c97 | 6957 | suffixed_basename_length = basename_length; |
512b62fb | 6958 | p = input_basename + basename_length; |
d25a45d4 KH |
6959 | while (p != input_basename && *p != '.') |
6960 | --p; | |
512b62fb JM |
6961 | if (*p == '.' && p != input_basename) |
6962 | { | |
6963 | basename_length = p - input_basename; | |
6964 | input_suffix = p + 1; | |
6965 | } | |
6966 | else | |
6967 | input_suffix = ""; | |
589005ff | 6968 | |
99f78cdd | 6969 | /* If a spec for 'g', 'u', or 'U' is seen with -save-temps then |
6afbc885 | 6970 | we will need to do a stat on the gcc_input_filename. The |
99f78cdd IR |
6971 | INPUT_STAT_SET signals that the stat is needed. */ |
6972 | input_stat_set = 0; | |
512b62fb | 6973 | } |
ed1f651b RS |
6974 | \f |
6975 | /* On fatal signals, delete all the temporary files. */ | |
6976 | ||
6977 | static void | |
2dec80c7 | 6978 | fatal_signal (int signum) |
ed1f651b RS |
6979 | { |
6980 | signal (signum, SIG_DFL); | |
6981 | delete_failure_queue (); | |
6982 | delete_temp_files (); | |
6983 | /* Get the same signal again, this time not handled, | |
6984 | so its normal effect occurs. */ | |
6985 | kill (getpid (), signum); | |
6986 | } | |
6987 | ||
2153915d AO |
6988 | /* Compare the contents of the two files named CMPFILE[0] and |
6989 | CMPFILE[1]. Return zero if they're identical, nonzero | |
6990 | otherwise. */ | |
6991 | ||
6992 | static int | |
6993 | compare_files (char *cmpfile[]) | |
6994 | { | |
6995 | int ret = 0; | |
6996 | FILE *temp[2] = { NULL, NULL }; | |
6997 | int i; | |
6998 | ||
6999 | #if HAVE_MMAP_FILE | |
7000 | { | |
7001 | size_t length[2]; | |
7002 | void *map[2] = { NULL, NULL }; | |
7003 | ||
7004 | for (i = 0; i < 2; i++) | |
7005 | { | |
7006 | struct stat st; | |
7007 | ||
7008 | if (stat (cmpfile[i], &st) < 0 || !S_ISREG (st.st_mode)) | |
7009 | { | |
7010 | error ("%s: could not determine length of compare-debug file %s", | |
6afbc885 | 7011 | gcc_input_filename, cmpfile[i]); |
2153915d AO |
7012 | ret = 1; |
7013 | break; | |
7014 | } | |
7015 | ||
7016 | length[i] = st.st_size; | |
7017 | } | |
7018 | ||
7019 | if (!ret && length[0] != length[1]) | |
7020 | { | |
6afbc885 | 7021 | error ("%s: -fcompare-debug failure (length)", gcc_input_filename); |
2153915d AO |
7022 | ret = 1; |
7023 | } | |
7024 | ||
7025 | if (!ret) | |
7026 | for (i = 0; i < 2; i++) | |
7027 | { | |
7028 | int fd = open (cmpfile[i], O_RDONLY); | |
7029 | if (fd < 0) | |
7030 | { | |
7031 | error ("%s: could not open compare-debug file %s", | |
6afbc885 | 7032 | gcc_input_filename, cmpfile[i]); |
2153915d AO |
7033 | ret = 1; |
7034 | break; | |
7035 | } | |
7036 | ||
7037 | map[i] = mmap (NULL, length[i], PROT_READ, MAP_PRIVATE, fd, 0); | |
7038 | close (fd); | |
7039 | ||
7040 | if (map[i] == (void *) MAP_FAILED) | |
7041 | { | |
7042 | ret = -1; | |
7043 | break; | |
7044 | } | |
7045 | } | |
7046 | ||
7047 | if (!ret) | |
7048 | { | |
7049 | if (memcmp (map[0], map[1], length[0]) != 0) | |
7050 | { | |
6afbc885 | 7051 | error ("%s: -fcompare-debug failure", gcc_input_filename); |
2153915d AO |
7052 | ret = 1; |
7053 | } | |
7054 | } | |
7055 | ||
7056 | for (i = 0; i < 2; i++) | |
7057 | if (map[i]) | |
e7aae3e8 | 7058 | munmap ((caddr_t) map[i], length[i]); |
2153915d AO |
7059 | |
7060 | if (ret >= 0) | |
7061 | return ret; | |
7062 | ||
7063 | ret = 0; | |
7064 | } | |
7065 | #endif | |
7066 | ||
7067 | for (i = 0; i < 2; i++) | |
7068 | { | |
7069 | temp[i] = fopen (cmpfile[i], "r"); | |
7070 | if (!temp[i]) | |
7071 | { | |
7072 | error ("%s: could not open compare-debug file %s", | |
6afbc885 | 7073 | gcc_input_filename, cmpfile[i]); |
2153915d AO |
7074 | ret = 1; |
7075 | break; | |
7076 | } | |
7077 | } | |
7078 | ||
7079 | if (!ret && temp[0] && temp[1]) | |
7080 | for (;;) | |
7081 | { | |
7082 | int c0, c1; | |
7083 | c0 = fgetc (temp[0]); | |
7084 | c1 = fgetc (temp[1]); | |
7085 | ||
7086 | if (c0 != c1) | |
7087 | { | |
7088 | error ("%s: -fcompare-debug failure", | |
6afbc885 | 7089 | gcc_input_filename); |
2153915d AO |
7090 | ret = 1; |
7091 | break; | |
7092 | } | |
7093 | ||
7094 | if (c0 == EOF) | |
7095 | break; | |
7096 | } | |
7097 | ||
7098 | for (i = 1; i >= 0; i--) | |
7099 | { | |
7100 | if (temp[i]) | |
7101 | fclose (temp[i]); | |
7102 | } | |
7103 | ||
7104 | return ret; | |
7105 | } | |
7106 | ||
9376dd63 DM |
7107 | driver::driver (bool can_finalize, bool debug) : |
7108 | explicit_link_files (NULL), | |
7109 | decoded_options (NULL) | |
7110 | { | |
7111 | env.init (can_finalize, debug); | |
7112 | } | |
7113 | ||
7114 | driver::~driver () | |
7115 | { | |
7116 | XDELETEVEC (explicit_link_files); | |
7117 | XDELETEVEC (decoded_options); | |
7118 | } | |
7119 | ||
742a072a DM |
7120 | /* driver::main is implemented as a series of driver:: method calls. */ |
7121 | ||
7122 | int | |
7123 | driver::main (int argc, char **argv) | |
7124 | { | |
7125 | bool early_exit; | |
7126 | ||
7127 | set_progname (argv[0]); | |
7128 | expand_at_files (&argc, &argv); | |
7129 | decode_argv (argc, const_cast <const char **> (argv)); | |
7130 | global_initializations (); | |
7131 | build_multilib_strings (); | |
7132 | set_up_specs (); | |
7133 | putenv_COLLECT_GCC (argv[0]); | |
7134 | maybe_putenv_COLLECT_LTO_WRAPPER (); | |
fc8b3540 | 7135 | maybe_putenv_OFFLOAD_TARGETS (); |
742a072a DM |
7136 | handle_unrecognized_options (); |
7137 | ||
7138 | if (!maybe_print_and_exit ()) | |
7139 | return 0; | |
7140 | ||
7141 | early_exit = prepare_infiles (); | |
7142 | if (early_exit) | |
7143 | return get_exit_code (); | |
7144 | ||
7145 | do_spec_on_infiles (); | |
7146 | maybe_run_linker (argv[0]); | |
7147 | final_actions (); | |
7148 | return get_exit_code (); | |
7149 | } | |
7150 | ||
7151 | /* Locate the final component of argv[0] after any leading path, and set | |
7152 | the program name accordingly. */ | |
7153 | ||
7154 | void | |
7155 | driver::set_progname (const char *argv0) const | |
7156 | { | |
7157 | const char *p = argv0 + strlen (argv0); | |
7158 | while (p != argv0 && !IS_DIR_SEPARATOR (p[-1])) | |
509781a4 | 7159 | --p; |
6afbc885 | 7160 | progname = p; |
ed1f651b | 7161 | |
6afbc885 | 7162 | xmalloc_set_program_name (progname); |
742a072a | 7163 | } |
e1a132c6 | 7164 | |
742a072a DM |
7165 | /* Expand any @ files within the command-line args, |
7166 | setting at_file_supplied if any were expanded. */ | |
7167 | ||
7168 | void | |
7169 | driver::expand_at_files (int *argc, char ***argv) const | |
7170 | { | |
7171 | char **old_argv = *argv; | |
7172 | ||
7173 | expandargv (argc, argv); | |
9d530538 | 7174 | |
2091ff66 | 7175 | /* Determine if any expansions were made. */ |
742a072a | 7176 | if (*argv != old_argv) |
2091ff66 | 7177 | at_file_supplied = true; |
742a072a | 7178 | } |
2091ff66 | 7179 | |
742a072a DM |
7180 | /* Decode the command-line arguments from argc/argv into the |
7181 | decoded_options array. */ | |
7182 | ||
7183 | void | |
7184 | driver::decode_argv (int argc, const char **argv) | |
7185 | { | |
a7d0d30f JM |
7186 | /* Register the language-independent parameters. */ |
7187 | global_init_params (); | |
7188 | finish_params (); | |
7189 | ||
7190 | init_options_struct (&global_options, &global_options_set); | |
a75bfaa6 | 7191 | |
742a072a | 7192 | decode_cmdline_options_to_array (argc, argv, |
60cf253a JM |
7193 | CL_DRIVER, |
7194 | &decoded_options, &decoded_options_count); | |
742a072a DM |
7195 | } |
7196 | ||
7197 | /* Perform various initializations and setup. */ | |
14c7833c | 7198 | |
742a072a | 7199 | void |
acbb0489 | 7200 | driver::global_initializations () |
742a072a | 7201 | { |
98a3dad4 | 7202 | /* Unlock the stdio streams. */ |
2653bb0c | 7203 | unlock_std_streams (); |
98a3dad4 | 7204 | |
191bf464 | 7205 | gcc_init_libintl (); |
ab87f8c8 | 7206 | |
6afbc885 | 7207 | diagnostic_initialize (global_dc, 0); |
97aa8bb6 | 7208 | diagnostic_color_init (global_dc); |
ccbc132f RM |
7209 | |
7210 | #ifdef GCC_DRIVER_HOST_INITIALIZATION | |
7211 | /* Perform host dependent initialization when needed. */ | |
7212 | GCC_DRIVER_HOST_INITIALIZATION; | |
7213 | #endif | |
7214 | ||
6afbc885 | 7215 | if (atexit (delete_temp_files) != 0) |
40fecdd6 | 7216 | fatal_error (input_location, "atexit failed"); |
6afbc885 | 7217 | |
ed1f651b | 7218 | if (signal (SIGINT, SIG_IGN) != SIG_IGN) |
2dec80c7 | 7219 | signal (SIGINT, fatal_signal); |
2a353d3a | 7220 | #ifdef SIGHUP |
ed1f651b | 7221 | if (signal (SIGHUP, SIG_IGN) != SIG_IGN) |
2dec80c7 | 7222 | signal (SIGHUP, fatal_signal); |
2a353d3a | 7223 | #endif |
ed1f651b | 7224 | if (signal (SIGTERM, SIG_IGN) != SIG_IGN) |
2dec80c7 | 7225 | signal (SIGTERM, fatal_signal); |
ed1f651b RS |
7226 | #ifdef SIGPIPE |
7227 | if (signal (SIGPIPE, SIG_IGN) != SIG_IGN) | |
2dec80c7 | 7228 | signal (SIGPIPE, fatal_signal); |
ed1f651b | 7229 | #endif |
798bdf70 | 7230 | #ifdef SIGCHLD |
0bf679a3 BK |
7231 | /* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will |
7232 | receive the signal. A different setting is inheritable */ | |
7233 | signal (SIGCHLD, SIG_DFL); | |
798bdf70 | 7234 | #endif |
ed1f651b | 7235 | |
d423df48 JJ |
7236 | /* Parsing and gimplification sometimes need quite large stack. |
7237 | Increase stack size limits if possible. */ | |
7238 | stack_limit_increase (64 * 1024 * 1024); | |
7239 | ||
f3226a90 JT |
7240 | /* Allocate the argument vector. */ |
7241 | alloc_args (); | |
ed1f651b RS |
7242 | |
7243 | obstack_init (&obstack); | |
742a072a DM |
7244 | } |
7245 | ||
7246 | /* Build multilib_select, et. al from the separate lines that make up each | |
7247 | multilib selection. */ | |
ed1f651b | 7248 | |
742a072a DM |
7249 | void |
7250 | driver::build_multilib_strings () const | |
7251 | { | |
ffd86336 | 7252 | { |
742a072a | 7253 | const char *p; |
3b304f5b | 7254 | const char *const *q = multilib_raw; |
961b7009 | 7255 | int need_space; |
ffd86336 JW |
7256 | |
7257 | obstack_init (&multilib_obstack); | |
0f41302f | 7258 | while ((p = *q++) != (char *) 0) |
ffd86336 JW |
7259 | obstack_grow (&multilib_obstack, p, strlen (p)); |
7260 | ||
7261 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 7262 | multilib_select = XOBFINISH (&multilib_obstack, const char *); |
961b7009 MM |
7263 | |
7264 | q = multilib_matches_raw; | |
7265 | while ((p = *q++) != (char *) 0) | |
7266 | obstack_grow (&multilib_obstack, p, strlen (p)); | |
7267 | ||
7268 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 7269 | multilib_matches = XOBFINISH (&multilib_obstack, const char *); |
961b7009 | 7270 | |
0a8d6618 BC |
7271 | q = multilib_exclusions_raw; |
7272 | while ((p = *q++) != (char *) 0) | |
d25a45d4 | 7273 | obstack_grow (&multilib_obstack, p, strlen (p)); |
0a8d6618 BC |
7274 | |
7275 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 7276 | multilib_exclusions = XOBFINISH (&multilib_obstack, const char *); |
9218435e | 7277 | |
e7f49d92 TG |
7278 | q = multilib_reuse_raw; |
7279 | while ((p = *q++) != (char *) 0) | |
7280 | obstack_grow (&multilib_obstack, p, strlen (p)); | |
7281 | ||
7282 | obstack_1grow (&multilib_obstack, 0); | |
7283 | multilib_reuse = XOBFINISH (&multilib_obstack, const char *); | |
7284 | ||
961b7009 | 7285 | need_space = FALSE; |
742a072a | 7286 | for (size_t i = 0; i < ARRAY_SIZE (multilib_defaults_raw); i++) |
961b7009 MM |
7287 | { |
7288 | if (need_space) | |
7289 | obstack_1grow (&multilib_obstack, ' '); | |
7290 | obstack_grow (&multilib_obstack, | |
7291 | multilib_defaults_raw[i], | |
7292 | strlen (multilib_defaults_raw[i])); | |
7293 | need_space = TRUE; | |
7294 | } | |
7295 | ||
7296 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 7297 | multilib_defaults = XOBFINISH (&multilib_obstack, const char *); |
ffd86336 | 7298 | } |
742a072a DM |
7299 | } |
7300 | ||
7301 | /* Set up the spec-handling machinery. */ | |
7302 | ||
7303 | void | |
7304 | driver::set_up_specs () const | |
7305 | { | |
fc8b3540 | 7306 | const char *spec_machine_suffix; |
742a072a DM |
7307 | char *specs_file; |
7308 | size_t i; | |
ffd86336 | 7309 | |
8faf4a68 JW |
7310 | #ifdef INIT_ENVIRONMENT |
7311 | /* Set up any other necessary machine specific environment variables. */ | |
47d33318 | 7312 | xputenv (INIT_ENVIRONMENT); |
8faf4a68 JW |
7313 | #endif |
7314 | ||
ed1f651b RS |
7315 | /* Make a table of what switches there are (switches, n_switches). |
7316 | Make a table of specified input files (infiles, n_infiles). | |
7317 | Decode switches that are handled locally. */ | |
7318 | ||
60cf253a | 7319 | process_command (decoded_options_count, decoded_options); |
ed1f651b RS |
7320 | |
7321 | /* Initialize the vector of specs to just the default. | |
7322 | This means one element containing 0s, as a terminator. */ | |
7323 | ||
e1e4cdc4 | 7324 | compilers = XNEWVAR (struct compiler, sizeof default_compilers); |
703ad42b | 7325 | memcpy (compilers, default_compilers, sizeof default_compilers); |
ed1f651b RS |
7326 | n_compilers = n_default_compilers; |
7327 | ||
7328 | /* Read specs from a file if there is one. */ | |
7329 | ||
fc8b3540 IV |
7330 | machine_suffix = concat (spec_host_machine, dir_separator_str, spec_version, |
7331 | accel_dir_suffix, dir_separator_str, NULL); | |
d4f2852f | 7332 | just_machine_suffix = concat (spec_machine, dir_separator_str, NULL); |
ed1f651b | 7333 | |
00dcee0c | 7334 | specs_file = find_a_file (&startfile_prefixes, "specs", R_OK, true); |
ed1f651b RS |
7335 | /* Read the specs file unless it is a default one. */ |
7336 | if (specs_file != 0 && strcmp (specs_file, "specs")) | |
d168aaee | 7337 | read_specs (specs_file, true, false); |
20df0482 MM |
7338 | else |
7339 | init_spec (); | |
841faeed | 7340 | |
fc8b3540 IV |
7341 | #ifdef ACCEL_COMPILER |
7342 | spec_machine_suffix = machine_suffix; | |
7343 | #else | |
7344 | spec_machine_suffix = just_machine_suffix; | |
7345 | #endif | |
7346 | ||
7347 | /* We need to check standard_exec_prefix/spec_machine_suffix/specs | |
3ac63d94 | 7348 | for any override of as, ld and libraries. */ |
e1e4cdc4 | 7349 | specs_file = (char *) alloca (strlen (standard_exec_prefix) |
fc8b3540 | 7350 | + strlen (spec_machine_suffix) + sizeof ("specs")); |
5bb67e36 | 7351 | strcpy (specs_file, standard_exec_prefix); |
fc8b3540 | 7352 | strcat (specs_file, spec_machine_suffix); |
5bb67e36 RK |
7353 | strcat (specs_file, "specs"); |
7354 | if (access (specs_file, R_OK) == 0) | |
d168aaee | 7355 | read_specs (specs_file, true, false); |
9218435e | 7356 | |
7816bea0 DJ |
7357 | /* Process any configure-time defaults specified for the command line |
7358 | options, via OPTION_DEFAULT_SPECS. */ | |
7359 | for (i = 0; i < ARRAY_SIZE (option_default_specs); i++) | |
7360 | do_option_spec (option_default_specs[i].name, | |
7361 | option_default_specs[i].spec); | |
7362 | ||
3bd6d4c4 AO |
7363 | /* Process DRIVER_SELF_SPECS, adding any new options to the end |
7364 | of the command line. */ | |
7365 | ||
7366 | for (i = 0; i < ARRAY_SIZE (driver_self_specs); i++) | |
7367 | do_self_spec (driver_self_specs[i]); | |
7368 | ||
4977bab6 ZW |
7369 | /* If not cross-compiling, look for executables in the standard |
7370 | places. */ | |
7371 | if (*cross_compile == '0') | |
004fd4d5 | 7372 | { |
2296d164 RK |
7373 | if (*md_exec_prefix) |
7374 | { | |
7375 | add_prefix (&exec_prefixes, md_exec_prefix, "GCC", | |
1a5d37a1 | 7376 | PREFIX_PRIORITY_LAST, 0, 0); |
2296d164 | 7377 | } |
4977bab6 ZW |
7378 | } |
7379 | ||
71c0e7fc | 7380 | /* Process sysroot_suffix_spec. */ |
e7f13528 | 7381 | if (*sysroot_suffix_spec != 0 |
28b4fc51 | 7382 | && !no_sysroot_suffix |
e7f13528 GP |
7383 | && do_spec_2 (sysroot_suffix_spec) == 0) |
7384 | { | |
9771b263 | 7385 | if (argbuf.length () > 1) |
ab532386 | 7386 | error ("spec failure: more than one arg to SYSROOT_SUFFIX_SPEC"); |
9771b263 DN |
7387 | else if (argbuf.length () == 1) |
7388 | target_sysroot_suffix = xstrdup (argbuf.last ()); | |
e7f13528 GP |
7389 | } |
7390 | ||
380e5ca4 MM |
7391 | #ifdef HAVE_LD_SYSROOT |
7392 | /* Pass the --sysroot option to the linker, if it supports that. If | |
7393 | there is a sysroot_suffix_spec, it has already been processed by | |
7394 | this point, so target_system_root really is the system root we | |
7395 | should be using. */ | |
7396 | if (target_system_root) | |
7397 | { | |
7398 | obstack_grow (&obstack, "%(sysroot_spec) ", strlen ("%(sysroot_spec) ")); | |
7399 | obstack_grow0 (&obstack, link_spec, strlen (link_spec)); | |
d168aaee | 7400 | set_spec ("link", XOBFINISH (&obstack, const char *), false); |
380e5ca4 MM |
7401 | } |
7402 | #endif | |
7403 | ||
71c0e7fc | 7404 | /* Process sysroot_hdrs_suffix_spec. */ |
e7f13528 | 7405 | if (*sysroot_hdrs_suffix_spec != 0 |
28b4fc51 | 7406 | && !no_sysroot_suffix |
e7f13528 GP |
7407 | && do_spec_2 (sysroot_hdrs_suffix_spec) == 0) |
7408 | { | |
9771b263 | 7409 | if (argbuf.length () > 1) |
ab532386 | 7410 | error ("spec failure: more than one arg to SYSROOT_HEADERS_SUFFIX_SPEC"); |
9771b263 DN |
7411 | else if (argbuf.length () == 1) |
7412 | target_sysroot_hdrs_suffix = xstrdup (argbuf.last ()); | |
e7f13528 GP |
7413 | } |
7414 | ||
4977bab6 ZW |
7415 | /* Look for startfiles in the standard places. */ |
7416 | if (*startfile_prefix_spec != 0 | |
7417 | && do_spec_2 (startfile_prefix_spec) == 0 | |
7418 | && do_spec_1 (" ", 0, NULL) == 0) | |
7419 | { | |
5b634ee0 | 7420 | const char *arg; |
4977bab6 | 7421 | int ndx; |
9771b263 | 7422 | FOR_EACH_VEC_ELT (argbuf, ndx, arg) |
5b634ee0 | 7423 | add_sysrooted_prefix (&startfile_prefixes, arg, "BINUTILS", |
1a5d37a1 | 7424 | PREFIX_PRIORITY_LAST, 0, 1); |
4977bab6 ZW |
7425 | } |
7426 | /* We should eventually get rid of all these and stick to | |
7427 | startfile_prefix_spec exclusively. */ | |
7428 | else if (*cross_compile == '0' || target_system_root) | |
7429 | { | |
2296d164 | 7430 | if (*md_startfile_prefix) |
4977bab6 | 7431 | add_sysrooted_prefix (&startfile_prefixes, md_startfile_prefix, |
1a5d37a1 | 7432 | "GCC", PREFIX_PRIORITY_LAST, 0, 1); |
004fd4d5 | 7433 | |
2296d164 | 7434 | if (*md_startfile_prefix_1) |
4977bab6 | 7435 | add_sysrooted_prefix (&startfile_prefixes, md_startfile_prefix_1, |
1a5d37a1 | 7436 | "GCC", PREFIX_PRIORITY_LAST, 0, 1); |
607a4f7d | 7437 | |
4dbc7773 ILT |
7438 | /* If standard_startfile_prefix is relative, base it on |
7439 | standard_exec_prefix. This lets us move the installed tree | |
7440 | as a unit. If GCC_EXEC_PREFIX is defined, base | |
0d037580 DJ |
7441 | standard_startfile_prefix on that as well. |
7442 | ||
7443 | If the prefix is relative, only search it for native compilers; | |
7444 | otherwise we will search a directory containing host libraries. */ | |
3dce1408 | 7445 | if (IS_ABSOLUTE_PATH (standard_startfile_prefix)) |
4977bab6 ZW |
7446 | add_sysrooted_prefix (&startfile_prefixes, |
7447 | standard_startfile_prefix, "BINUTILS", | |
1a5d37a1 | 7448 | PREFIX_PRIORITY_LAST, 0, 1); |
0d037580 | 7449 | else if (*cross_compile == '0') |
4dbc7773 | 7450 | { |
48ff801b | 7451 | add_prefix (&startfile_prefixes, |
b8698a0f L |
7452 | concat (gcc_exec_prefix |
7453 | ? gcc_exec_prefix : standard_exec_prefix, | |
7454 | machine_suffix, | |
d4f2852f | 7455 | standard_startfile_prefix, NULL), |
1a5d37a1 | 7456 | NULL, PREFIX_PRIORITY_LAST, 0, 1); |
9218435e | 7457 | } |
4dbc7773 | 7458 | |
f4c0a303 CD |
7459 | /* Sysrooted prefixes are relocated because target_system_root is |
7460 | also relocated by gcc_exec_prefix. */ | |
656c7a3a AL |
7461 | if (*standard_startfile_prefix_1) |
7462 | add_sysrooted_prefix (&startfile_prefixes, | |
7463 | standard_startfile_prefix_1, "BINUTILS", | |
1a5d37a1 | 7464 | PREFIX_PRIORITY_LAST, 0, 1); |
656c7a3a AL |
7465 | if (*standard_startfile_prefix_2) |
7466 | add_sysrooted_prefix (&startfile_prefixes, | |
7467 | standard_startfile_prefix_2, "BINUTILS", | |
1a5d37a1 | 7468 | PREFIX_PRIORITY_LAST, 0, 1); |
004fd4d5 | 7469 | } |
343f59d9 | 7470 | |
8607048d TT |
7471 | /* Process any user specified specs in the order given on the command |
7472 | line. */ | |
742a072a | 7473 | for (struct user_specs *uptr = user_specs_head; uptr; uptr = uptr->next) |
8607048d | 7474 | { |
5bbcd587 | 7475 | char *filename = find_a_file (&startfile_prefixes, uptr->filename, |
00dcee0c | 7476 | R_OK, true); |
d168aaee | 7477 | read_specs (filename ? filename : uptr->filename, false, true); |
8607048d TT |
7478 | } |
7479 | ||
84f405a1 JJ |
7480 | /* Process any user self specs. */ |
7481 | { | |
7482 | struct spec_list *sl; | |
7483 | for (sl = specs; sl; sl = sl->next) | |
7484 | if (sl->name_len == sizeof "self_spec" - 1 | |
7485 | && !strcmp (sl->name, "self_spec")) | |
7486 | do_self_spec (*sl->ptr_spec); | |
7487 | } | |
7488 | ||
7489 | if (compare_debug) | |
7490 | { | |
7491 | enum save_temps save; | |
7492 | ||
7493 | if (!compare_debug_second) | |
7494 | { | |
7495 | n_switches_debug_check[1] = n_switches; | |
7496 | n_switches_alloc_debug_check[1] = n_switches_alloc; | |
7497 | switches_debug_check[1] = XDUPVEC (struct switchstr, switches, | |
7498 | n_switches_alloc); | |
7499 | ||
7500 | do_self_spec ("%:compare-debug-self-opt()"); | |
7501 | n_switches_debug_check[0] = n_switches; | |
7502 | n_switches_alloc_debug_check[0] = n_switches_alloc; | |
7503 | switches_debug_check[0] = switches; | |
7504 | ||
7505 | n_switches = n_switches_debug_check[1]; | |
7506 | n_switches_alloc = n_switches_alloc_debug_check[1]; | |
7507 | switches = switches_debug_check[1]; | |
7508 | } | |
7509 | ||
7510 | /* Avoid crash when computing %j in this early. */ | |
7511 | save = save_temps_flag; | |
7512 | save_temps_flag = SAVE_TEMPS_NONE; | |
7513 | ||
7514 | compare_debug = -compare_debug; | |
7515 | do_self_spec ("%:compare-debug-self-opt()"); | |
7516 | ||
7517 | save_temps_flag = save; | |
7518 | ||
7519 | if (!compare_debug_second) | |
7520 | { | |
7521 | n_switches_debug_check[1] = n_switches; | |
7522 | n_switches_alloc_debug_check[1] = n_switches_alloc; | |
7523 | switches_debug_check[1] = switches; | |
7524 | compare_debug = -compare_debug; | |
7525 | n_switches = n_switches_debug_check[0]; | |
7526 | n_switches_alloc = n_switches_debug_check[0]; | |
7527 | switches = switches_debug_check[0]; | |
7528 | } | |
7529 | } | |
7530 | ||
7531 | ||
e8601ecb JW |
7532 | /* If we have a GCC_EXEC_PREFIX envvar, modify it for cpp's sake. */ |
7533 | if (gcc_exec_prefix) | |
fc8b3540 IV |
7534 | gcc_exec_prefix = concat (gcc_exec_prefix, spec_host_machine, |
7535 | dir_separator_str, spec_version, | |
7536 | accel_dir_suffix, dir_separator_str, NULL); | |
004fd4d5 | 7537 | |
ed1f651b RS |
7538 | /* Now we have the specs. |
7539 | Set the `valid' bits for switches that match anything in any spec. */ | |
7540 | ||
7541 | validate_all_switches (); | |
7542 | ||
60103a34 DE |
7543 | /* Now that we have the switches and the specs, set |
7544 | the subdirectory based on the options. */ | |
7545 | set_multilib_dir (); | |
742a072a DM |
7546 | } |
7547 | ||
7548 | /* Set up to remember the pathname of gcc and any options | |
7549 | needed for collect. We use argv[0] instead of progname because | |
7550 | we need the complete pathname. */ | |
60103a34 | 7551 | |
742a072a DM |
7552 | void |
7553 | driver::putenv_COLLECT_GCC (const char *argv0) const | |
7554 | { | |
d7f09764 DN |
7555 | obstack_init (&collect_obstack); |
7556 | obstack_grow (&collect_obstack, "COLLECT_GCC=", sizeof ("COLLECT_GCC=") - 1); | |
742a072a | 7557 | obstack_grow (&collect_obstack, argv0, strlen (argv0) + 1); |
d7f09764 | 7558 | xputenv (XOBFINISH (&collect_obstack, char *)); |
742a072a | 7559 | } |
d7f09764 | 7560 | |
742a072a DM |
7561 | /* Set up to remember the pathname of the lto wrapper. */ |
7562 | ||
7563 | void | |
7564 | driver::maybe_putenv_COLLECT_LTO_WRAPPER () const | |
7565 | { | |
7566 | char *lto_wrapper_file; | |
d7f09764 | 7567 | |
117cb2bc JJ |
7568 | if (have_c) |
7569 | lto_wrapper_file = NULL; | |
7570 | else | |
7571 | lto_wrapper_file = find_a_file (&exec_prefixes, "lto-wrapper", | |
7572 | X_OK, false); | |
de9a793e | 7573 | if (lto_wrapper_file) |
d7f09764 | 7574 | { |
3c27ce4c | 7575 | lto_wrapper_file = convert_white_space (lto_wrapper_file); |
de9a793e | 7576 | lto_wrapper_spec = lto_wrapper_file; |
d7f09764 DN |
7577 | obstack_init (&collect_obstack); |
7578 | obstack_grow (&collect_obstack, "COLLECT_LTO_WRAPPER=", | |
7579 | sizeof ("COLLECT_LTO_WRAPPER=") - 1); | |
7580 | obstack_grow (&collect_obstack, lto_wrapper_spec, | |
7581 | strlen (lto_wrapper_spec) + 1); | |
7582 | xputenv (XOBFINISH (&collect_obstack, char *)); | |
7583 | } | |
7584 | ||
742a072a | 7585 | } |
ed1f651b | 7586 | |
fc8b3540 IV |
7587 | /* Set up to remember the names of offload targets. */ |
7588 | ||
7589 | void | |
7590 | driver::maybe_putenv_OFFLOAD_TARGETS () const | |
7591 | { | |
64186aad | 7592 | if (offload_targets && offload_targets[0] != '\0') |
fc8b3540 IV |
7593 | { |
7594 | obstack_grow (&collect_obstack, "OFFLOAD_TARGET_NAMES=", | |
7595 | sizeof ("OFFLOAD_TARGET_NAMES=") - 1); | |
64186aad TS |
7596 | obstack_grow (&collect_obstack, offload_targets, |
7597 | strlen (offload_targets) + 1); | |
fc8b3540 IV |
7598 | xputenv (XOBFINISH (&collect_obstack, char *)); |
7599 | } | |
c713ddc0 BS |
7600 | |
7601 | free (offload_targets); | |
64186aad | 7602 | offload_targets = NULL; |
fc8b3540 IV |
7603 | } |
7604 | ||
93ebf1fd DM |
7605 | /* Helper function for driver::handle_unrecognized_options. |
7606 | ||
7607 | Given an unrecognized option BAD_OPT (without the leading dash), | |
7608 | locate the closest reasonable matching option (again, without the | |
7609 | leading dash), or NULL. */ | |
7610 | ||
7611 | static const char * | |
7612 | suggest_option (const char *bad_opt) | |
7613 | { | |
7614 | const cl_option *best_option = NULL; | |
7615 | edit_distance_t best_distance = MAX_EDIT_DISTANCE; | |
7616 | ||
7617 | for (unsigned int i = 0; i < cl_options_count; i++) | |
7618 | { | |
7619 | edit_distance_t dist = levenshtein_distance (bad_opt, | |
7620 | cl_options[i].opt_text + 1); | |
7621 | if (dist < best_distance) | |
7622 | { | |
7623 | best_distance = dist; | |
7624 | best_option = &cl_options[i]; | |
7625 | } | |
7626 | } | |
7627 | ||
7628 | if (!best_option) | |
7629 | return NULL; | |
7630 | ||
7631 | /* If more than half of the letters were misspelled, the suggestion is | |
7632 | likely to be meaningless. */ | |
7633 | if (best_option) | |
7634 | { | |
7635 | unsigned int cutoff = MAX (strlen (bad_opt), | |
7636 | strlen (best_option->opt_text + 1)) / 2; | |
7637 | if (best_distance > cutoff) | |
7638 | return NULL; | |
7639 | } | |
7640 | ||
7641 | return best_option->opt_text + 1; | |
7642 | } | |
7643 | ||
742a072a DM |
7644 | /* Reject switches that no pass was interested in. */ |
7645 | ||
7646 | void | |
7647 | driver::handle_unrecognized_options () const | |
7648 | { | |
7649 | for (size_t i = 0; (int) i < n_switches; i++) | |
ab87f8c8 | 7650 | if (! switches[i].validated) |
93ebf1fd DM |
7651 | { |
7652 | const char *hint = suggest_option (switches[i].part1); | |
7653 | if (hint) | |
7654 | error ("unrecognized command line option %<-%s%>;" | |
7655 | " did you mean %<-%s%>?", | |
7656 | switches[i].part1, hint); | |
7657 | else | |
7658 | error ("unrecognized command line option %<-%s%>", | |
7659 | switches[i].part1); | |
7660 | } | |
742a072a | 7661 | } |
ed1f651b | 7662 | |
742a072a DM |
7663 | /* Handle the various -print-* options, returning 0 if the driver |
7664 | should exit, or nonzero if the driver should continue. */ | |
6a9e290e | 7665 | |
742a072a DM |
7666 | int |
7667 | driver::maybe_print_and_exit () const | |
7668 | { | |
2628b9d3 DE |
7669 | if (print_search_dirs) |
7670 | { | |
f4c0a303 CD |
7671 | printf (_("install: %s%s\n"), |
7672 | gcc_exec_prefix ? gcc_exec_prefix : standard_exec_prefix, | |
7673 | gcc_exec_prefix ? "" : machine_suffix); | |
00dcee0c AM |
7674 | printf (_("programs: %s\n"), |
7675 | build_search_list (&exec_prefixes, "", false, false)); | |
7676 | printf (_("libraries: %s\n"), | |
7677 | build_search_list (&startfile_prefixes, "", false, true)); | |
9257393c | 7678 | return (0); |
2628b9d3 DE |
7679 | } |
7680 | ||
6a9e290e | 7681 | if (print_file_name) |
2dcb563f | 7682 | { |
6a9e290e | 7683 | printf ("%s\n", find_file (print_file_name)); |
9257393c | 7684 | return (0); |
2dcb563f RS |
7685 | } |
7686 | ||
6a9e290e RK |
7687 | if (print_prog_name) |
7688 | { | |
b78e932d L |
7689 | if (use_ld != NULL && ! strcmp (print_prog_name, "ld")) |
7690 | { | |
026c3cfd | 7691 | /* Append USE_LD to the default linker. */ |
b78e932d L |
7692 | #ifdef DEFAULT_LINKER |
7693 | char *ld; | |
7694 | # ifdef HAVE_HOST_EXECUTABLE_SUFFIX | |
7695 | int len = (sizeof (DEFAULT_LINKER) | |
7696 | - sizeof (HOST_EXECUTABLE_SUFFIX)); | |
7697 | ld = NULL; | |
7698 | if (len > 0) | |
7699 | { | |
7700 | char *default_linker = xstrdup (DEFAULT_LINKER); | |
7701 | /* Strip HOST_EXECUTABLE_SUFFIX if DEFAULT_LINKER contains | |
7702 | HOST_EXECUTABLE_SUFFIX. */ | |
7703 | if (! strcmp (&default_linker[len], HOST_EXECUTABLE_SUFFIX)) | |
7704 | { | |
7705 | default_linker[len] = '\0'; | |
7706 | ld = concat (default_linker, use_ld, | |
7707 | HOST_EXECUTABLE_SUFFIX, NULL); | |
7708 | } | |
7709 | } | |
7710 | if (ld == NULL) | |
7711 | # endif | |
7712 | ld = concat (DEFAULT_LINKER, use_ld, NULL); | |
7713 | if (access (ld, X_OK) == 0) | |
7714 | { | |
7715 | printf ("%s\n", ld); | |
7716 | return (0); | |
7717 | } | |
7718 | #endif | |
7719 | print_prog_name = concat (print_prog_name, use_ld, NULL); | |
7720 | } | |
5bbcd587 | 7721 | char *newname = find_a_file (&exec_prefixes, print_prog_name, X_OK, 0); |
6a9e290e | 7722 | printf ("%s\n", (newname ? newname : print_prog_name)); |
9257393c | 7723 | return (0); |
6a9e290e | 7724 | } |
ed1f651b | 7725 | |
60103a34 DE |
7726 | if (print_multi_lib) |
7727 | { | |
7728 | print_multilib_info (); | |
9257393c | 7729 | return (0); |
60103a34 DE |
7730 | } |
7731 | ||
7732 | if (print_multi_directory) | |
7733 | { | |
7734 | if (multilib_dir == NULL) | |
7735 | printf (".\n"); | |
7736 | else | |
7737 | printf ("%s\n", multilib_dir); | |
9257393c | 7738 | return (0); |
60103a34 DE |
7739 | } |
7740 | ||
e0cdc09f MK |
7741 | if (print_multiarch) |
7742 | { | |
7743 | if (multiarch_dir == NULL) | |
7744 | printf ("\n"); | |
7745 | else | |
7746 | printf ("%s\n", multiarch_dir); | |
7747 | return (0); | |
7748 | } | |
7749 | ||
3def1397 VP |
7750 | if (print_sysroot) |
7751 | { | |
7752 | if (target_system_root) | |
7753 | { | |
7754 | if (target_sysroot_suffix) | |
7755 | printf ("%s%s\n", target_system_root, target_sysroot_suffix); | |
7756 | else | |
7757 | printf ("%s\n", target_system_root); | |
7758 | } | |
7759 | return (0); | |
7760 | } | |
7761 | ||
5bbcd587 JJ |
7762 | if (print_multi_os_directory) |
7763 | { | |
7764 | if (multilib_os_dir == NULL) | |
7765 | printf (".\n"); | |
7766 | else | |
7767 | printf ("%s\n", multilib_os_dir); | |
7768 | return (0); | |
7769 | } | |
7770 | ||
14da6073 JM |
7771 | if (print_sysroot_headers_suffix) |
7772 | { | |
7773 | if (*sysroot_hdrs_suffix_spec) | |
7774 | { | |
dc5bbad3 JM |
7775 | printf("%s\n", (target_sysroot_hdrs_suffix |
7776 | ? target_sysroot_hdrs_suffix | |
7777 | : "")); | |
14da6073 JM |
7778 | return (0); |
7779 | } | |
7780 | else | |
7781 | /* The error status indicates that only one set of fixed | |
7782 | headers should be built. */ | |
40fecdd6 JM |
7783 | fatal_error (input_location, |
7784 | "not configured with sysroot headers suffix"); | |
14da6073 JM |
7785 | } |
7786 | ||
b8468bc7 NC |
7787 | if (print_help_list) |
7788 | { | |
7789 | display_help (); | |
7790 | ||
7791 | if (! verbose_flag) | |
7792 | { | |
5e4adfba | 7793 | printf (_("\nFor bug reporting instructions, please see:\n")); |
a976603e | 7794 | printf ("%s.\n", bug_report_url); |
9218435e | 7795 | |
9257393c | 7796 | return (0); |
b8468bc7 NC |
7797 | } |
7798 | ||
7799 | /* We do not exit here. Instead we have created a fake input file | |
7800 | called 'help-dummy' which needs to be compiled, and we pass this | |
033505fc RW |
7801 | on the various sub-processes, along with the --help switch. |
7802 | Ensure their output appears after ours. */ | |
7803 | fputc ('\n', stdout); | |
7804 | fflush (stdout); | |
b8468bc7 | 7805 | } |
9218435e | 7806 | |
41fd0f9b RAE |
7807 | if (print_version) |
7808 | { | |
6afbc885 | 7809 | printf (_("%s %s%s\n"), progname, pkgversion_string, |
41fd0f9b | 7810 | version_string); |
b67cd4e3 | 7811 | printf ("Copyright %s 2015 Free Software Foundation, Inc.\n", |
41fd0f9b RAE |
7812 | _("(C)")); |
7813 | fputs (_("This is free software; see the source for copying conditions. There is NO\n\ | |
7814 | warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"), | |
7815 | stdout); | |
7816 | if (! verbose_flag) | |
7817 | return 0; | |
7818 | ||
7819 | /* We do not exit here. We use the same mechanism of --help to print | |
7820 | the version of the sub-processes. */ | |
7821 | fputc ('\n', stdout); | |
7822 | fflush (stdout); | |
7823 | } | |
7824 | ||
ed1f651b RS |
7825 | if (verbose_flag) |
7826 | { | |
dc10fd96 | 7827 | print_configuration (stderr); |
ed1f651b | 7828 | if (n_infiles == 0) |
9257393c | 7829 | return (0); |
ed1f651b RS |
7830 | } |
7831 | ||
742a072a DM |
7832 | return 1; |
7833 | } | |
7834 | ||
7835 | /* Figure out what to do with each input file. | |
7836 | Return true if we need to exit early from "main", false otherwise. */ | |
7837 | ||
7838 | bool | |
7839 | driver::prepare_infiles () | |
7840 | { | |
7841 | size_t i; | |
7842 | int lang_n_infiles = 0; | |
7843 | ||
a2a05b0a | 7844 | if (n_infiles == added_libraries) |
40fecdd6 | 7845 | fatal_error (input_location, "no input files"); |
ed1f651b | 7846 | |
4df47bca | 7847 | if (seen_error ()) |
742a072a DM |
7848 | /* Early exit needed from main. */ |
7849 | return true; | |
4df47bca | 7850 | |
ed1f651b RS |
7851 | /* Make a place to record the compiler output file names |
7852 | that correspond to the input files. */ | |
7853 | ||
f271358e | 7854 | i = n_infiles; |
e37cda9b | 7855 | i += lang_specific_extra_outfiles; |
5ed6ace5 | 7856 | outfiles = XCNEWVEC (const char *, i); |
ed1f651b RS |
7857 | |
7858 | /* Record which files were specified explicitly as link input. */ | |
7859 | ||
d900f77d | 7860 | explicit_link_files = XCNEWVEC (char, n_infiles); |
ed1f651b | 7861 | |
56b721c5 | 7862 | combine_inputs = have_o || flag_wpa; |
0855eab7 CT |
7863 | |
7864 | for (i = 0; (int) i < n_infiles; i++) | |
d1bd0ded | 7865 | { |
0855eab7 | 7866 | const char *name = infiles[i].name; |
7904f95f EC |
7867 | struct compiler *compiler = lookup_compiler (name, |
7868 | strlen (name), | |
0855eab7 | 7869 | infiles[i].language); |
7904f95f | 7870 | |
0855eab7 CT |
7871 | if (compiler && !(compiler->combinable)) |
7872 | combine_inputs = false; | |
7904f95f | 7873 | |
0855eab7 CT |
7874 | if (lang_n_infiles > 0 && compiler != input_file_compiler |
7875 | && infiles[i].language && infiles[i].language[0] != '*') | |
7876 | infiles[i].incompiler = compiler; | |
7877 | else if (compiler) | |
7878 | { | |
7879 | lang_n_infiles++; | |
7880 | input_file_compiler = compiler; | |
7881 | infiles[i].incompiler = compiler; | |
7882 | } | |
7883 | else | |
7884 | { | |
7885 | /* Since there is no compiler for this input file, assume it is a | |
9cf737f8 | 7886 | linker file. */ |
0855eab7 CT |
7887 | explicit_link_files[i] = 1; |
7888 | infiles[i].incompiler = NULL; | |
7889 | } | |
7890 | infiles[i].compiled = false; | |
7891 | infiles[i].preprocessed = false; | |
d1bd0ded | 7892 | } |
953ff289 | 7893 | |
de19a50e | 7894 | if (!combine_inputs && have_c && have_o && lang_n_infiles > 1) |
40fecdd6 JM |
7895 | fatal_error (input_location, |
7896 | "cannot specify -o with -c, -S or -E with multiple files"); | |
0855eab7 | 7897 | |
742a072a DM |
7898 | /* No early exit needed from main; we can continue. */ |
7899 | return false; | |
7900 | } | |
7901 | ||
7902 | /* Run the spec machinery on each input file. */ | |
7903 | ||
7904 | void | |
7905 | driver::do_spec_on_infiles () const | |
7906 | { | |
7907 | size_t i; | |
7908 | ||
0855eab7 | 7909 | for (i = 0; (int) i < n_infiles; i++) |
ed1f651b | 7910 | { |
ed1f651b RS |
7911 | int this_file_error = 0; |
7912 | ||
7913 | /* Tell do_spec what to substitute for %i. */ | |
7914 | ||
ed1f651b | 7915 | input_file_number = i; |
512b62fb | 7916 | set_input (infiles[i].name); |
ed1f651b | 7917 | |
0855eab7 CT |
7918 | if (infiles[i].compiled) |
7919 | continue; | |
7920 | ||
ed1f651b RS |
7921 | /* Use the same thing in %o, unless cp->spec says otherwise. */ |
7922 | ||
6afbc885 | 7923 | outfiles[i] = gcc_input_filename; |
ed1f651b RS |
7924 | |
7925 | /* Figure out which compiler from the file's suffix. */ | |
7926 | ||
c3224d6f RG |
7927 | input_file_compiler |
7928 | = lookup_compiler (infiles[i].name, input_filename_length, | |
7929 | infiles[i].language); | |
589005ff | 7930 | |
a9374841 | 7931 | if (input_file_compiler) |
ed1f651b RS |
7932 | { |
7933 | /* Ok, we found an applicable compiler. Run its spec. */ | |
ed1f651b | 7934 | |
a9374841 | 7935 | if (input_file_compiler->spec[0] == '#') |
d644be7b ZW |
7936 | { |
7937 | error ("%s: %s compiler not installed on this system", | |
6afbc885 | 7938 | gcc_input_filename, &input_file_compiler->spec[1]); |
d644be7b ZW |
7939 | this_file_error = 1; |
7940 | } | |
7941 | else | |
7942 | { | |
742a072a DM |
7943 | int value; |
7944 | ||
2153915d AO |
7945 | if (compare_debug) |
7946 | { | |
04695783 | 7947 | free (debug_check_temp_file[0]); |
2153915d AO |
7948 | debug_check_temp_file[0] = NULL; |
7949 | ||
04695783 | 7950 | free (debug_check_temp_file[1]); |
2153915d AO |
7951 | debug_check_temp_file[1] = NULL; |
7952 | } | |
7953 | ||
d644be7b | 7954 | value = do_spec (input_file_compiler->spec); |
0855eab7 | 7955 | infiles[i].compiled = true; |
d644be7b | 7956 | if (value < 0) |
b21292d0 | 7957 | this_file_error = 1; |
2153915d AO |
7958 | else if (compare_debug && debug_check_temp_file[0]) |
7959 | { | |
7960 | if (verbose_flag) | |
2dec80c7 | 7961 | inform (0, "recompiling with -fcompare-debug"); |
2153915d AO |
7962 | |
7963 | compare_debug = -compare_debug; | |
7964 | n_switches = n_switches_debug_check[1]; | |
efe5e5a0 | 7965 | n_switches_alloc = n_switches_alloc_debug_check[1]; |
2153915d AO |
7966 | switches = switches_debug_check[1]; |
7967 | ||
7968 | value = do_spec (input_file_compiler->spec); | |
7969 | ||
7970 | compare_debug = -compare_debug; | |
7971 | n_switches = n_switches_debug_check[0]; | |
efe5e5a0 | 7972 | n_switches_alloc = n_switches_alloc_debug_check[0]; |
2153915d AO |
7973 | switches = switches_debug_check[0]; |
7974 | ||
7975 | if (value < 0) | |
7976 | { | |
7977 | error ("during -fcompare-debug recompilation"); | |
7978 | this_file_error = 1; | |
7979 | } | |
7980 | ||
7981 | gcc_assert (debug_check_temp_file[1] | |
ba78087b KT |
7982 | && filename_cmp (debug_check_temp_file[0], |
7983 | debug_check_temp_file[1])); | |
2153915d AO |
7984 | |
7985 | if (verbose_flag) | |
2dec80c7 | 7986 | inform (0, "comparing final insns dumps"); |
2153915d AO |
7987 | |
7988 | if (compare_files (debug_check_temp_file)) | |
7989 | this_file_error = 1; | |
7990 | } | |
7991 | ||
7992 | if (compare_debug) | |
7993 | { | |
04695783 | 7994 | free (debug_check_temp_file[0]); |
2153915d AO |
7995 | debug_check_temp_file[0] = NULL; |
7996 | ||
04695783 | 7997 | free (debug_check_temp_file[1]); |
2153915d AO |
7998 | debug_check_temp_file[1] = NULL; |
7999 | } | |
d644be7b | 8000 | } |
ed1f651b RS |
8001 | } |
8002 | ||
8003 | /* If this file's name does not contain a recognized suffix, | |
8004 | record it as explicit linker input. */ | |
8005 | ||
8006 | else | |
8007 | explicit_link_files[i] = 1; | |
8008 | ||
8009 | /* Clear the delete-on-failure queue, deleting the files in it | |
8010 | if this compilation failed. */ | |
8011 | ||
8012 | if (this_file_error) | |
8013 | { | |
8014 | delete_failure_queue (); | |
6afbc885 | 8015 | errorcount++; |
ed1f651b RS |
8016 | } |
8017 | /* If this compilation succeeded, don't delete those files later. */ | |
8018 | clear_failure_queue (); | |
8019 | } | |
8020 | ||
817a8255 EC |
8021 | /* Reset the input file name to the first compile/object file name, for use |
8022 | with %b in LINK_SPEC. We use the first input file that we can find | |
7904f95f | 8023 | a compiler to compile it instead of using infiles.language since for |
817a8255 | 8024 | languages other than C we use aliases that we then lookup later. */ |
512b62fb | 8025 | if (n_infiles > 0) |
817a8255 EC |
8026 | { |
8027 | int i; | |
8028 | ||
8029 | for (i = 0; i < n_infiles ; i++) | |
42113d6b RG |
8030 | if (infiles[i].incompiler |
8031 | || (infiles[i].language && infiles[i].language[0] != '*')) | |
817a8255 EC |
8032 | { |
8033 | set_input (infiles[i].name); | |
8034 | break; | |
8035 | } | |
8036 | } | |
512b62fb | 8037 | |
6afbc885 | 8038 | if (!seen_error ()) |
15c5edb9 TT |
8039 | { |
8040 | /* Make sure INPUT_FILE_NUMBER points to first available open | |
8041 | slot. */ | |
8042 | input_file_number = n_infiles; | |
8043 | if (lang_specific_pre_link ()) | |
6afbc885 | 8044 | errorcount++; |
15c5edb9 | 8045 | } |
742a072a DM |
8046 | } |
8047 | ||
8048 | /* If we have to run the linker, do it now. */ | |
8049 | ||
8050 | void | |
8051 | driver::maybe_run_linker (const char *argv0) const | |
8052 | { | |
8053 | size_t i; | |
8054 | int linker_was_run = 0; | |
8055 | int num_linker_inputs; | |
f271358e | 8056 | |
17211ab5 GK |
8057 | /* Determine if there are any linker input files. */ |
8058 | num_linker_inputs = 0; | |
8059 | for (i = 0; (int) i < n_infiles; i++) | |
8060 | if (explicit_link_files[i] || outfiles[i] != NULL) | |
8061 | num_linker_inputs++; | |
8062 | ||
ed1f651b RS |
8063 | /* Run ld to link all the compiler output files. */ |
8064 | ||
6afbc885 | 8065 | if (num_linker_inputs > 0 && !seen_error () && print_subprocess_help < 2) |
ed1f651b RS |
8066 | { |
8067 | int tmp = execution_count; | |
117cb2bc JJ |
8068 | |
8069 | if (! have_c) | |
8070 | { | |
55b46574 RO |
8071 | #if HAVE_LTO_PLUGIN > 0 |
8072 | #if HAVE_LTO_PLUGIN == 2 | |
117cb2bc | 8073 | const char *fno_use_linker_plugin = "fno-use-linker-plugin"; |
96bdf9b4 | 8074 | #else |
117cb2bc | 8075 | const char *fuse_linker_plugin = "fuse-linker-plugin"; |
55b46574 | 8076 | #endif |
96bdf9b4 | 8077 | #endif |
b3865ca9 | 8078 | |
117cb2bc JJ |
8079 | /* We'll use ld if we can't find collect2. */ |
8080 | if (! strcmp (linker_name_spec, "collect2")) | |
8081 | { | |
8082 | char *s = find_a_file (&exec_prefixes, "collect2", X_OK, false); | |
8083 | if (s == NULL) | |
8084 | linker_name_spec = "ld"; | |
8085 | } | |
d7f09764 | 8086 | |
55b46574 RO |
8087 | #if HAVE_LTO_PLUGIN > 0 |
8088 | #if HAVE_LTO_PLUGIN == 2 | |
117cb2bc JJ |
8089 | if (!switch_matches (fno_use_linker_plugin, |
8090 | fno_use_linker_plugin | |
8091 | + strlen (fno_use_linker_plugin), 0)) | |
96bdf9b4 | 8092 | #else |
117cb2bc JJ |
8093 | if (switch_matches (fuse_linker_plugin, |
8094 | fuse_linker_plugin | |
8095 | + strlen (fuse_linker_plugin), 0)) | |
96bdf9b4 | 8096 | #endif |
117cb2bc | 8097 | { |
3c27ce4c JY |
8098 | char *temp_spec = find_a_file (&exec_prefixes, |
8099 | LTOPLUGINSONAME, R_OK, | |
8100 | false); | |
8101 | if (!temp_spec) | |
40fecdd6 JM |
8102 | fatal_error (input_location, |
8103 | "-fuse-linker-plugin, but %s not found", | |
117cb2bc | 8104 | LTOPLUGINSONAME); |
3c27ce4c | 8105 | linker_plugin_file_spec = convert_white_space (temp_spec); |
117cb2bc | 8106 | } |
55b46574 | 8107 | #endif |
742a072a | 8108 | lto_gcc_spec = argv0; |
117cb2bc | 8109 | } |
d7f09764 | 8110 | |
b3865ca9 RS |
8111 | /* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables |
8112 | for collect. */ | |
00dcee0c AM |
8113 | putenv_from_prefixes (&exec_prefixes, "COMPILER_PATH", false); |
8114 | putenv_from_prefixes (&startfile_prefixes, LIBRARY_PATH_ENV, true); | |
b3865ca9 | 8115 | |
a0f87454 RS |
8116 | if (print_subprocess_help == 1) |
8117 | { | |
8118 | printf (_("\nLinker options\n==============\n\n")); | |
8119 | printf (_("Use \"-Wl,OPTION\" to pass \"OPTION\"" | |
8120 | " to the linker.\n\n")); | |
8121 | fflush (stdout); | |
8122 | } | |
742a072a | 8123 | int value = do_spec (link_command_spec); |
ed1f651b | 8124 | if (value < 0) |
6afbc885 | 8125 | errorcount = 1; |
ed1f651b RS |
8126 | linker_was_run = (tmp != execution_count); |
8127 | } | |
8128 | ||
ed1f651b RS |
8129 | /* If options said don't run linker, |
8130 | complain about input files to be given to the linker. */ | |
8131 | ||
6afbc885 | 8132 | if (! linker_was_run && !seen_error ()) |
d25a45d4 | 8133 | for (i = 0; (int) i < n_infiles; i++) |
01e4dd0d KH |
8134 | if (explicit_link_files[i] |
8135 | && !(infiles[i].language && infiles[i].language[0] == '*')) | |
2dec80c7 JM |
8136 | warning (0, "%s: linker input file unused because linking not done", |
8137 | outfiles[i]); | |
742a072a DM |
8138 | } |
8139 | ||
8140 | /* The end of "main". */ | |
ed1f651b | 8141 | |
742a072a DM |
8142 | void |
8143 | driver::final_actions () const | |
8144 | { | |
ed1f651b RS |
8145 | /* Delete some or all of the temporary files we made. */ |
8146 | ||
6afbc885 | 8147 | if (seen_error ()) |
ed1f651b RS |
8148 | delete_failure_queue (); |
8149 | delete_temp_files (); | |
8150 | ||
b8468bc7 NC |
8151 | if (print_help_list) |
8152 | { | |
5e4adfba | 8153 | printf (("\nFor bug reporting instructions, please see:\n")); |
a976603e | 8154 | printf ("%s\n", bug_report_url); |
b8468bc7 | 8155 | } |
742a072a | 8156 | } |
9218435e | 8157 | |
742a072a DM |
8158 | /* Determine what the exit code of the driver should be. */ |
8159 | ||
8160 | int | |
8161 | driver::get_exit_code () const | |
8162 | { | |
14a774a9 | 8163 | return (signal_count != 0 ? 2 |
6afbc885 | 8164 | : seen_error () ? (pass_exit_codes ? greatest_status : 1) |
14a774a9 | 8165 | : 0); |
ed1f651b RS |
8166 | } |
8167 | ||
8168 | /* Find the proper compilation spec for the file name NAME, | |
004fd4d5 | 8169 | whose length is LENGTH. LANGUAGE is the specified language, |
e5e809f4 | 8170 | or 0 if this file is to be passed to the linker. */ |
ed1f651b RS |
8171 | |
8172 | static struct compiler * | |
1d088dee | 8173 | lookup_compiler (const char *name, size_t length, const char *language) |
ed1f651b RS |
8174 | { |
8175 | struct compiler *cp; | |
8176 | ||
3ac63d94 | 8177 | /* If this was specified by the user to be a linker input, indicate that. */ |
e5e809f4 JL |
8178 | if (language != 0 && language[0] == '*') |
8179 | return 0; | |
8180 | ||
8181 | /* Otherwise, look for the language, if one is spec'd. */ | |
ed1f651b RS |
8182 | if (language != 0) |
8183 | { | |
8184 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
e5e809f4 JL |
8185 | if (cp->suffix[0] == '@' && !strcmp (cp->suffix + 1, language)) |
8186 | return cp; | |
8187 | ||
ed1f651b | 8188 | error ("language %s not recognized", language); |
e5e809f4 | 8189 | return 0; |
ed1f651b RS |
8190 | } |
8191 | ||
8192 | /* Look for a suffix. */ | |
8193 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
8194 | { | |
4cf3301c RS |
8195 | if (/* The suffix `-' matches only the file name `-'. */ |
8196 | (!strcmp (cp->suffix, "-") && !strcmp (name, "-")) | |
e5e809f4 JL |
8197 | || (strlen (cp->suffix) < length |
8198 | /* See if the suffix matches the end of NAME. */ | |
e5e809f4 JL |
8199 | && !strcmp (cp->suffix, |
8200 | name + length - strlen (cp->suffix)) | |
e5e809f4 | 8201 | )) |
589005ff | 8202 | break; |
03bf1c28 | 8203 | } |
e5e809f4 | 8204 | |
03bf1c28 | 8205 | #if defined (OS2) ||defined (HAVE_DOS_BASED_FILE_SYSTEM) |
a1105617 | 8206 | /* Look again, but case-insensitively this time. */ |
03bf1c28 MK |
8207 | if (cp < compilers) |
8208 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
8209 | { | |
8210 | if (/* The suffix `-' matches only the file name `-'. */ | |
8211 | (!strcmp (cp->suffix, "-") && !strcmp (name, "-")) | |
8212 | || (strlen (cp->suffix) < length | |
8213 | /* See if the suffix matches the end of NAME. */ | |
8214 | && ((!strcmp (cp->suffix, | |
8215 | name + length - strlen (cp->suffix)) | |
8216 | || !strpbrk (cp->suffix, "ABCDEFGHIJKLMNOPQRSTUVWXYZ")) | |
8217 | && !strcasecmp (cp->suffix, | |
8218 | name + length - strlen (cp->suffix))) | |
8219 | )) | |
8220 | break; | |
8221 | } | |
8222 | #endif | |
8223 | ||
03bf1c28 MK |
8224 | if (cp >= compilers) |
8225 | { | |
ea414c97 ZW |
8226 | if (cp->spec[0] != '@') |
8227 | /* A non-alias entry: return it. */ | |
8228 | return cp; | |
9218435e | 8229 | |
ea414c97 ZW |
8230 | /* An alias entry maps a suffix to a language. |
8231 | Search for the language; pass 0 for NAME and LENGTH | |
8232 | to avoid infinite recursion if language not found. */ | |
6496a589 | 8233 | return lookup_compiler (NULL, 0, cp->spec + 1); |
ed1f651b | 8234 | } |
ed1f651b RS |
8235 | return 0; |
8236 | } | |
8237 | \f | |
ed1f651b | 8238 | static char * |
1d088dee | 8239 | save_string (const char *s, int len) |
ed1f651b | 8240 | { |
5ed6ace5 | 8241 | char *result = XNEWVEC (char, len + 1); |
ed1f651b | 8242 | |
da61dec9 | 8243 | memcpy (result, s, len); |
ed1f651b RS |
8244 | result[len] = 0; |
8245 | return result; | |
8246 | } | |
8247 | ||
d991c721 | 8248 | void |
1d088dee | 8249 | pfatal_with_name (const char *name) |
ed1f651b | 8250 | { |
ab87f8c8 JL |
8251 | perror_with_name (name); |
8252 | delete_temp_files (); | |
8253 | exit (1); | |
ed1f651b RS |
8254 | } |
8255 | ||
8256 | static void | |
1d088dee | 8257 | perror_with_name (const char *name) |
ed1f651b | 8258 | { |
bdc6b402 | 8259 | error ("%s: %m", name); |
ed1f651b | 8260 | } |
ed1f651b | 8261 | \f |
4977bab6 | 8262 | static inline void |
d168aaee | 8263 | validate_switches_from_spec (const char *spec, bool user) |
4977bab6 ZW |
8264 | { |
8265 | const char *p = spec; | |
8266 | char c; | |
8267 | while ((c = *p++)) | |
8268 | if (c == '%' && (*p == '{' || *p == '<' || (*p == 'W' && *++p == '{'))) | |
8269 | /* We have a switch spec. */ | |
d168aaee | 8270 | p = validate_switches (p + 1, user); |
4977bab6 ZW |
8271 | } |
8272 | ||
ed1f651b | 8273 | static void |
1d088dee | 8274 | validate_all_switches (void) |
ed1f651b RS |
8275 | { |
8276 | struct compiler *comp; | |
b3865ca9 | 8277 | struct spec_list *spec; |
ed1f651b | 8278 | |
ea414c97 | 8279 | for (comp = compilers; comp->spec; comp++) |
d168aaee | 8280 | validate_switches_from_spec (comp->spec, false); |
ed1f651b | 8281 | |
3ac63d94 | 8282 | /* Look through the linked list of specs read from the specs file. */ |
d25a45d4 | 8283 | for (spec = specs; spec; spec = spec->next) |
d168aaee | 8284 | validate_switches_from_spec (*spec->ptr_spec, spec->user_p); |
b3865ca9 | 8285 | |
d168aaee | 8286 | validate_switches_from_spec (link_command_spec, false); |
ed1f651b RS |
8287 | } |
8288 | ||
8289 | /* Look at the switch-name that comes after START | |
8290 | and mark as valid all supplied switches that match it. */ | |
8291 | ||
4977bab6 | 8292 | static const char * |
d168aaee | 8293 | validate_switches (const char *start, bool user_spec) |
ed1f651b | 8294 | { |
b3694847 | 8295 | const char *p = start; |
4977bab6 ZW |
8296 | const char *atom; |
8297 | size_t len; | |
b3694847 | 8298 | int i; |
4977bab6 ZW |
8299 | bool suffix = false; |
8300 | bool starred = false; | |
1d088dee | 8301 | |
4977bab6 | 8302 | #define SKIP_WHITE() do { while (*p == ' ' || *p == '\t') p++; } while (0) |
1d088dee | 8303 | |
10ebf5fe | 8304 | next_member: |
4977bab6 ZW |
8305 | SKIP_WHITE (); |
8306 | ||
ed1f651b | 8307 | if (*p == '!') |
4977bab6 | 8308 | p++; |
ed1f651b | 8309 | |
4977bab6 | 8310 | SKIP_WHITE (); |
48137d59 | 8311 | if (*p == '.' || *p == ',') |
4977bab6 | 8312 | suffix = true, p++; |
ed1f651b | 8313 | |
4977bab6 ZW |
8314 | atom = p; |
8315 | while (ISIDNUM (*p) || *p == '-' || *p == '+' || *p == '=' | |
7a975113 | 8316 | || *p == ',' || *p == '.' || *p == '@') |
d25a45d4 | 8317 | p++; |
4977bab6 | 8318 | len = p - atom; |
ed1f651b | 8319 | |
4977bab6 ZW |
8320 | if (*p == '*') |
8321 | starred = true, p++; | |
8322 | ||
8323 | SKIP_WHITE (); | |
8324 | ||
8325 | if (!suffix) | |
ed1f651b RS |
8326 | { |
8327 | /* Mark all matching switches as valid. */ | |
ed1f651b | 8328 | for (i = 0; i < n_switches; i++) |
4977bab6 | 8329 | if (!strncmp (switches[i].part1, atom, len) |
d168aaee CB |
8330 | && (starred || switches[i].part1[len] == '\0') |
8331 | && (switches[i].known || user_spec)) | |
8332 | switches[i].validated = true; | |
ed1f651b | 8333 | } |
4977bab6 | 8334 | |
5a0ba8c9 LJR |
8335 | if (*p) p++; |
8336 | if (*p && (p[-1] == '|' || p[-1] == '&')) | |
4977bab6 ZW |
8337 | goto next_member; |
8338 | ||
5a0ba8c9 | 8339 | if (*p && p[-1] == ':') |
ed1f651b | 8340 | { |
4977bab6 | 8341 | while (*p && *p != ';' && *p != '}') |
ed1f651b | 8342 | { |
4977bab6 ZW |
8343 | if (*p == '%') |
8344 | { | |
8345 | p++; | |
8346 | if (*p == '{' || *p == '<') | |
d168aaee | 8347 | p = validate_switches (p+1, user_spec); |
4977bab6 | 8348 | else if (p[0] == 'W' && p[1] == '{') |
d168aaee | 8349 | p = validate_switches (p+2, user_spec); |
4977bab6 | 8350 | } |
e17aafd1 GK |
8351 | else |
8352 | p++; | |
ed1f651b | 8353 | } |
4977bab6 | 8354 | |
5a0ba8c9 LJR |
8355 | if (*p) p++; |
8356 | if (*p && p[-1] == ';') | |
4977bab6 | 8357 | goto next_member; |
ed1f651b | 8358 | } |
10ebf5fe | 8359 | |
4977bab6 ZW |
8360 | return p; |
8361 | #undef SKIP_WHITE | |
ed1f651b | 8362 | } |
60103a34 | 8363 | \f |
5bbcd587 JJ |
8364 | struct mdswitchstr |
8365 | { | |
8366 | const char *str; | |
8367 | int len; | |
8368 | }; | |
8369 | ||
8370 | static struct mdswitchstr *mdswitches; | |
8371 | static int n_mdswitches; | |
8372 | ||
961b7009 | 8373 | /* Check whether a particular argument was used. The first time we |
956d6950 | 8374 | canonicalize the switches to keep only the ones we care about. */ |
60103a34 | 8375 | |
9376dd63 | 8376 | class used_arg_t |
60103a34 | 8377 | { |
9376dd63 DM |
8378 | public: |
8379 | int operator () (const char *p, int len); | |
8380 | void finalize (); | |
8381 | ||
8382 | private: | |
3ac63d94 NC |
8383 | struct mswitchstr |
8384 | { | |
3b304f5b ZW |
8385 | const char *str; |
8386 | const char *replace; | |
961b7009 MM |
8387 | int len; |
8388 | int rep_len; | |
8389 | }; | |
8390 | ||
9376dd63 DM |
8391 | mswitchstr *mswitches; |
8392 | int n_mswitches; | |
8393 | ||
8394 | }; | |
8395 | ||
8396 | used_arg_t used_arg; | |
8397 | ||
8398 | int | |
8399 | used_arg_t::operator () (const char *p, int len) | |
8400 | { | |
961b7009 MM |
8401 | int i, j; |
8402 | ||
8403 | if (!mswitches) | |
8404 | { | |
8405 | struct mswitchstr *matches; | |
3b304f5b | 8406 | const char *q; |
c8c2dcdc | 8407 | int cnt = 0; |
961b7009 | 8408 | |
d25a45d4 KH |
8409 | /* Break multilib_matches into the component strings of string |
8410 | and replacement string. */ | |
1a0bdd29 RK |
8411 | for (q = multilib_matches; *q != '\0'; q++) |
8412 | if (*q == ';') | |
961b7009 MM |
8413 | cnt++; |
8414 | ||
e1e4cdc4 KG |
8415 | matches |
8416 | = (struct mswitchstr *) alloca ((sizeof (struct mswitchstr)) * cnt); | |
961b7009 MM |
8417 | i = 0; |
8418 | q = multilib_matches; | |
8419 | while (*q != '\0') | |
8420 | { | |
8421 | matches[i].str = q; | |
8422 | while (*q != ' ') | |
8423 | { | |
8424 | if (*q == '\0') | |
3b5edfee NS |
8425 | { |
8426 | invalid_matches: | |
40fecdd6 | 8427 | fatal_error (input_location, "multilib spec %qs is invalid", |
2dec80c7 | 8428 | multilib_matches); |
3b5edfee | 8429 | } |
961b7009 MM |
8430 | q++; |
8431 | } | |
961b7009 | 8432 | matches[i].len = q - matches[i].str; |
60103a34 | 8433 | |
961b7009 MM |
8434 | matches[i].replace = ++q; |
8435 | while (*q != ';' && *q != '\0') | |
8436 | { | |
8437 | if (*q == ' ') | |
3b5edfee | 8438 | goto invalid_matches; |
961b7009 MM |
8439 | q++; |
8440 | } | |
8441 | matches[i].rep_len = q - matches[i].replace; | |
8442 | i++; | |
83a0c799 ZW |
8443 | if (*q == ';') |
8444 | q++; | |
961b7009 | 8445 | } |
60103a34 | 8446 | |
71591a1d JW |
8447 | /* Now build a list of the replacement string for switches that we care |
8448 | about. Make sure we allocate at least one entry. This prevents | |
8449 | xmalloc from calling fatal, and prevents us from re-executing this | |
8450 | block of code. */ | |
8451 | mswitches | |
5ed6ace5 | 8452 | = XNEWVEC (struct mswitchstr, n_mdswitches + (n_switches ? n_switches : 1)); |
961b7009 | 8453 | for (i = 0; i < n_switches; i++) |
3371362c | 8454 | if ((switches[i].live_cond & SWITCH_IGNORE) == 0) |
f645e2bd RS |
8455 | { |
8456 | int xlen = strlen (switches[i].part1); | |
8457 | for (j = 0; j < cnt; j++) | |
8458 | if (xlen == matches[j].len | |
8459 | && ! strncmp (switches[i].part1, matches[j].str, xlen)) | |
8460 | { | |
8461 | mswitches[n_mswitches].str = matches[j].replace; | |
8462 | mswitches[n_mswitches].len = matches[j].rep_len; | |
8463 | mswitches[n_mswitches].replace = (char *) 0; | |
8464 | mswitches[n_mswitches].rep_len = 0; | |
8465 | n_mswitches++; | |
8466 | break; | |
8467 | } | |
8468 | } | |
5bbcd587 JJ |
8469 | |
8470 | /* Add MULTILIB_DEFAULTS switches too, as long as they were not present | |
8471 | on the command line nor any options mutually incompatible with | |
8472 | them. */ | |
8473 | for (i = 0; i < n_mdswitches; i++) | |
8474 | { | |
8475 | const char *r; | |
8476 | ||
59b266b1 | 8477 | for (q = multilib_options; *q != '\0'; *q && q++) |
5bbcd587 JJ |
8478 | { |
8479 | while (*q == ' ') | |
8480 | q++; | |
8481 | ||
8482 | r = q; | |
8483 | while (strncmp (q, mdswitches[i].str, mdswitches[i].len) != 0 | |
8484 | || strchr (" /", q[mdswitches[i].len]) == NULL) | |
8485 | { | |
8486 | while (*q != ' ' && *q != '/' && *q != '\0') | |
8487 | q++; | |
8488 | if (*q != '/') | |
8489 | break; | |
8490 | q++; | |
8491 | } | |
8492 | ||
8493 | if (*q != ' ' && *q != '\0') | |
8494 | { | |
8495 | while (*r != ' ' && *r != '\0') | |
8496 | { | |
8497 | q = r; | |
8498 | while (*q != ' ' && *q != '/' && *q != '\0') | |
8499 | q++; | |
8500 | ||
8501 | if (used_arg (r, q - r)) | |
8502 | break; | |
8503 | ||
8504 | if (*q != '/') | |
8505 | { | |
8506 | mswitches[n_mswitches].str = mdswitches[i].str; | |
8507 | mswitches[n_mswitches].len = mdswitches[i].len; | |
8508 | mswitches[n_mswitches].replace = (char *) 0; | |
8509 | mswitches[n_mswitches].rep_len = 0; | |
8510 | n_mswitches++; | |
8511 | break; | |
8512 | } | |
8513 | ||
8514 | r = q + 1; | |
8515 | } | |
8516 | break; | |
8517 | } | |
8518 | } | |
8519 | } | |
961b7009 | 8520 | } |
03c42484 | 8521 | |
961b7009 MM |
8522 | for (i = 0; i < n_mswitches; i++) |
8523 | if (len == mswitches[i].len && ! strncmp (p, mswitches[i].str, len)) | |
8524 | return 1; | |
03c42484 | 8525 | |
961b7009 MM |
8526 | return 0; |
8527 | } | |
03c42484 | 8528 | |
9376dd63 DM |
8529 | void used_arg_t::finalize () |
8530 | { | |
8531 | XDELETEVEC (mswitches); | |
8532 | mswitches = NULL; | |
8533 | n_mswitches = 0; | |
8534 | } | |
8535 | ||
8536 | ||
03c42484 | 8537 | static int |
1d088dee | 8538 | default_arg (const char *p, int len) |
03c42484 | 8539 | { |
5bbcd587 | 8540 | int i; |
e29ef920 | 8541 | |
5bbcd587 JJ |
8542 | for (i = 0; i < n_mdswitches; i++) |
8543 | if (len == mdswitches[i].len && ! strncmp (p, mdswitches[i].str, len)) | |
8544 | return 1; | |
03c42484 RK |
8545 | |
8546 | return 0; | |
8547 | } | |
8548 | ||
0a8d6618 BC |
8549 | /* Work out the subdirectory to use based on the options. The format of |
8550 | multilib_select is a list of elements. Each element is a subdirectory | |
8551 | name followed by a list of options followed by a semicolon. The format | |
8552 | of multilib_exclusions is the same, but without the preceding | |
8553 | directory. First gcc will check the exclusions, if none of the options | |
8554 | beginning with an exclamation point are present, and all of the other | |
8555 | options are present, then we will ignore this completely. Passing | |
8556 | that, gcc will consider each multilib_select in turn using the same | |
8557 | rules for matching the options. If a match is found, that subdirectory | |
e0cdc09f MK |
8558 | will be used. |
8559 | A subdirectory name is optionally followed by a colon and the corresponding | |
8560 | multiarch name. */ | |
60103a34 DE |
8561 | |
8562 | static void | |
1d088dee | 8563 | set_multilib_dir (void) |
60103a34 | 8564 | { |
3b304f5b | 8565 | const char *p; |
3ac63d94 | 8566 | unsigned int this_path_len; |
3b304f5b | 8567 | const char *this_path, *this_arg; |
5bbcd587 | 8568 | const char *start, *end; |
03c42484 | 8569 | int not_arg; |
5bbcd587 JJ |
8570 | int ok, ndfltok, first; |
8571 | ||
8572 | n_mdswitches = 0; | |
8573 | start = multilib_defaults; | |
8574 | while (*start == ' ' || *start == '\t') | |
8575 | start++; | |
8576 | while (*start != '\0') | |
8577 | { | |
8578 | n_mdswitches++; | |
8579 | while (*start != ' ' && *start != '\t' && *start != '\0') | |
8580 | start++; | |
8581 | while (*start == ' ' || *start == '\t') | |
8582 | start++; | |
8583 | } | |
8584 | ||
8585 | if (n_mdswitches) | |
8586 | { | |
8587 | int i = 0; | |
8588 | ||
5ed6ace5 | 8589 | mdswitches = XNEWVEC (struct mdswitchstr, n_mdswitches); |
5bbcd587 JJ |
8590 | for (start = multilib_defaults; *start != '\0'; start = end + 1) |
8591 | { | |
8592 | while (*start == ' ' || *start == '\t') | |
8593 | start++; | |
8594 | ||
8595 | if (*start == '\0') | |
8596 | break; | |
1d088dee | 8597 | |
5bbcd587 JJ |
8598 | for (end = start + 1; |
8599 | *end != ' ' && *end != '\t' && *end != '\0'; end++) | |
8600 | ; | |
8601 | ||
8602 | obstack_grow (&multilib_obstack, start, end - start); | |
8603 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 8604 | mdswitches[i].str = XOBFINISH (&multilib_obstack, const char *); |
5bbcd587 JJ |
8605 | mdswitches[i++].len = end - start; |
8606 | ||
8607 | if (*end == '\0') | |
8608 | break; | |
8609 | } | |
8610 | } | |
60103a34 | 8611 | |
0a8d6618 BC |
8612 | p = multilib_exclusions; |
8613 | while (*p != '\0') | |
8614 | { | |
8615 | /* Ignore newlines. */ | |
8616 | if (*p == '\n') | |
d25a45d4 KH |
8617 | { |
8618 | ++p; | |
8619 | continue; | |
8620 | } | |
0a8d6618 BC |
8621 | |
8622 | /* Check the arguments. */ | |
8623 | ok = 1; | |
8624 | while (*p != ';') | |
d25a45d4 KH |
8625 | { |
8626 | if (*p == '\0') | |
3b5edfee NS |
8627 | { |
8628 | invalid_exclusions: | |
40fecdd6 | 8629 | fatal_error (input_location, "multilib exclusions %qs is invalid", |
2dec80c7 | 8630 | multilib_exclusions); |
3b5edfee | 8631 | } |
d25a45d4 KH |
8632 | |
8633 | if (! ok) | |
8634 | { | |
8635 | ++p; | |
8636 | continue; | |
8637 | } | |
8638 | ||
8639 | this_arg = p; | |
8640 | while (*p != ' ' && *p != ';') | |
8641 | { | |
8642 | if (*p == '\0') | |
3b5edfee | 8643 | goto invalid_exclusions; |
d25a45d4 KH |
8644 | ++p; |
8645 | } | |
8646 | ||
8647 | if (*this_arg != '!') | |
8648 | not_arg = 0; | |
8649 | else | |
8650 | { | |
8651 | not_arg = 1; | |
8652 | ++this_arg; | |
8653 | } | |
9218435e | 8654 | |
0a8d6618 BC |
8655 | ok = used_arg (this_arg, p - this_arg); |
8656 | if (not_arg) | |
8657 | ok = ! ok; | |
8658 | ||
d25a45d4 KH |
8659 | if (*p == ' ') |
8660 | ++p; | |
8661 | } | |
0a8d6618 BC |
8662 | |
8663 | if (ok) | |
3ac63d94 | 8664 | return; |
0a8d6618 BC |
8665 | |
8666 | ++p; | |
8667 | } | |
8668 | ||
5bbcd587 | 8669 | first = 1; |
0a8d6618 | 8670 | p = multilib_select; |
e7f49d92 TG |
8671 | |
8672 | /* Append multilib reuse rules if any. With those rules, we can reuse | |
8673 | one multilib for certain different options sets. */ | |
8674 | if (strlen (multilib_reuse) > 0) | |
8675 | p = concat (p, multilib_reuse, NULL); | |
8676 | ||
60103a34 DE |
8677 | while (*p != '\0') |
8678 | { | |
8679 | /* Ignore newlines. */ | |
8680 | if (*p == '\n') | |
8681 | { | |
8682 | ++p; | |
8683 | continue; | |
8684 | } | |
8685 | ||
8686 | /* Get the initial path. */ | |
8687 | this_path = p; | |
8688 | while (*p != ' ') | |
8689 | { | |
8690 | if (*p == '\0') | |
3b5edfee NS |
8691 | { |
8692 | invalid_select: | |
40fecdd6 | 8693 | fatal_error (input_location, "multilib select %qs %qs is invalid", |
e7f49d92 | 8694 | multilib_select, multilib_reuse); |
3b5edfee | 8695 | } |
60103a34 DE |
8696 | ++p; |
8697 | } | |
8698 | this_path_len = p - this_path; | |
8699 | ||
8700 | /* Check the arguments. */ | |
03c42484 | 8701 | ok = 1; |
5bbcd587 | 8702 | ndfltok = 1; |
60103a34 DE |
8703 | ++p; |
8704 | while (*p != ';') | |
8705 | { | |
8706 | if (*p == '\0') | |
3b5edfee | 8707 | goto invalid_select; |
60103a34 | 8708 | |
03c42484 | 8709 | if (! ok) |
60103a34 DE |
8710 | { |
8711 | ++p; | |
8712 | continue; | |
8713 | } | |
8714 | ||
8715 | this_arg = p; | |
8716 | while (*p != ' ' && *p != ';') | |
8717 | { | |
8718 | if (*p == '\0') | |
3b5edfee | 8719 | goto invalid_select; |
60103a34 DE |
8720 | ++p; |
8721 | } | |
8722 | ||
03c42484 RK |
8723 | if (*this_arg != '!') |
8724 | not_arg = 0; | |
60103a34 | 8725 | else |
03c42484 RK |
8726 | { |
8727 | not_arg = 1; | |
8728 | ++this_arg; | |
8729 | } | |
8730 | ||
8731 | /* If this is a default argument, we can just ignore it. | |
8732 | This is true even if this_arg begins with '!'. Beginning | |
8733 | with '!' does not mean that this argument is necessarily | |
8734 | inappropriate for this library: it merely means that | |
8735 | there is a more specific library which uses this | |
8736 | argument. If this argument is a default, we need not | |
8737 | consider that more specific library. */ | |
5bbcd587 JJ |
8738 | ok = used_arg (this_arg, p - this_arg); |
8739 | if (not_arg) | |
8740 | ok = ! ok; | |
8741 | ||
8742 | if (! ok) | |
8743 | ndfltok = 0; | |
8744 | ||
8745 | if (default_arg (this_arg, p - this_arg)) | |
8746 | ok = 1; | |
60103a34 DE |
8747 | |
8748 | if (*p == ' ') | |
8749 | ++p; | |
8750 | } | |
8751 | ||
5bbcd587 | 8752 | if (ok && first) |
60103a34 DE |
8753 | { |
8754 | if (this_path_len != 1 | |
8755 | || this_path[0] != '.') | |
8756 | { | |
5ed6ace5 | 8757 | char *new_multilib_dir = XNEWVEC (char, this_path_len + 1); |
5bbcd587 JJ |
8758 | char *q; |
8759 | ||
878f32c3 KG |
8760 | strncpy (new_multilib_dir, this_path, this_path_len); |
8761 | new_multilib_dir[this_path_len] = '\0'; | |
5bbcd587 JJ |
8762 | q = strchr (new_multilib_dir, ':'); |
8763 | if (q != NULL) | |
8764 | *q = '\0'; | |
878f32c3 | 8765 | multilib_dir = new_multilib_dir; |
60103a34 | 8766 | } |
5bbcd587 JJ |
8767 | first = 0; |
8768 | } | |
8769 | ||
8770 | if (ndfltok) | |
8771 | { | |
8772 | const char *q = this_path, *end = this_path + this_path_len; | |
8773 | ||
8774 | while (q < end && *q != ':') | |
8775 | q++; | |
c49d2df6 | 8776 | if (q < end) |
5bbcd587 | 8777 | { |
e0cdc09f MK |
8778 | const char *q2 = q + 1, *ml_end = end; |
8779 | char *new_multilib_os_dir; | |
8780 | ||
8781 | while (q2 < end && *q2 != ':') | |
8782 | q2++; | |
8783 | if (*q2 == ':') | |
8784 | ml_end = q2; | |
646d1bed PG |
8785 | if (ml_end - q == 1) |
8786 | multilib_os_dir = xstrdup ("."); | |
8787 | else | |
8788 | { | |
8789 | new_multilib_os_dir = XNEWVEC (char, ml_end - q); | |
8790 | memcpy (new_multilib_os_dir, q + 1, ml_end - q - 1); | |
8791 | new_multilib_os_dir[ml_end - q - 1] = '\0'; | |
8792 | multilib_os_dir = new_multilib_os_dir; | |
8793 | } | |
e0cdc09f MK |
8794 | |
8795 | if (q2 < end && *q2 == ':') | |
8796 | { | |
8797 | char *new_multiarch_dir = XNEWVEC (char, end - q2); | |
8798 | memcpy (new_multiarch_dir, q2 + 1, end - q2 - 1); | |
8799 | new_multiarch_dir[end - q2 - 1] = '\0'; | |
8800 | multiarch_dir = new_multiarch_dir; | |
8801 | } | |
5bbcd587 JJ |
8802 | break; |
8803 | } | |
60103a34 DE |
8804 | } |
8805 | ||
8806 | ++p; | |
9218435e | 8807 | } |
5bbcd587 JJ |
8808 | |
8809 | if (multilib_dir == NULL && multilib_os_dir != NULL | |
3c40bd65 | 8810 | && strcmp (multilib_os_dir, ".") == 0) |
5bbcd587 | 8811 | { |
b1d5455a | 8812 | free (CONST_CAST (char *, multilib_os_dir)); |
5bbcd587 JJ |
8813 | multilib_os_dir = NULL; |
8814 | } | |
8815 | else if (multilib_dir != NULL && multilib_os_dir == NULL) | |
8816 | multilib_os_dir = multilib_dir; | |
60103a34 DE |
8817 | } |
8818 | ||
8819 | /* Print out the multiple library subdirectory selection | |
8820 | information. This prints out a series of lines. Each line looks | |
8821 | like SUBDIRECTORY;@OPTION@OPTION, with as many options as is | |
8822 | required. Only the desired options are printed out, the negative | |
8823 | matches. The options are print without a leading dash. There are | |
8824 | no spaces to make it easy to use the information in the shell. | |
8825 | Each subdirectory is printed only once. This assumes the ordering | |
0a8d6618 BC |
8826 | generated by the genmultilib script. Also, we leave out ones that match |
8827 | the exclusions. */ | |
60103a34 DE |
8828 | |
8829 | static void | |
1d088dee | 8830 | print_multilib_info (void) |
60103a34 | 8831 | { |
3b304f5b ZW |
8832 | const char *p = multilib_select; |
8833 | const char *last_path = 0, *this_path; | |
03c42484 | 8834 | int skip; |
3ac63d94 | 8835 | unsigned int last_path_len = 0; |
60103a34 DE |
8836 | |
8837 | while (*p != '\0') | |
8838 | { | |
0a8d6618 | 8839 | skip = 0; |
60103a34 DE |
8840 | /* Ignore newlines. */ |
8841 | if (*p == '\n') | |
8842 | { | |
8843 | ++p; | |
8844 | continue; | |
8845 | } | |
8846 | ||
8847 | /* Get the initial path. */ | |
8848 | this_path = p; | |
8849 | while (*p != ' ') | |
8850 | { | |
8851 | if (*p == '\0') | |
3b5edfee NS |
8852 | { |
8853 | invalid_select: | |
40fecdd6 JM |
8854 | fatal_error (input_location, |
8855 | "multilib select %qs is invalid", multilib_select); | |
3b5edfee | 8856 | } |
7904f95f | 8857 | |
60103a34 DE |
8858 | ++p; |
8859 | } | |
8860 | ||
c49d2df6 | 8861 | /* When --disable-multilib was used but target defines |
e0cdc09f MK |
8862 | MULTILIB_OSDIRNAMES, entries starting with .: (and not starting |
8863 | with .:: for multiarch configurations) are there just to find | |
8864 | multilib_os_dir, so skip them from output. */ | |
8865 | if (this_path[0] == '.' && this_path[1] == ':' && this_path[2] != ':') | |
c49d2df6 JJ |
8866 | skip = 1; |
8867 | ||
0a8d6618 BC |
8868 | /* Check for matches with the multilib_exclusions. We don't bother |
8869 | with the '!' in either list. If any of the exclusion rules match | |
8870 | all of its options with the select rule, we skip it. */ | |
d25a45d4 KH |
8871 | { |
8872 | const char *e = multilib_exclusions; | |
8873 | const char *this_arg; | |
0a8d6618 | 8874 | |
d25a45d4 KH |
8875 | while (*e != '\0') |
8876 | { | |
8877 | int m = 1; | |
8878 | /* Ignore newlines. */ | |
8879 | if (*e == '\n') | |
8880 | { | |
8881 | ++e; | |
8882 | continue; | |
8883 | } | |
0a8d6618 | 8884 | |
d25a45d4 KH |
8885 | /* Check the arguments. */ |
8886 | while (*e != ';') | |
8887 | { | |
8888 | const char *q; | |
8889 | int mp = 0; | |
0a8d6618 | 8890 | |
d25a45d4 | 8891 | if (*e == '\0') |
3b5edfee NS |
8892 | { |
8893 | invalid_exclusion: | |
40fecdd6 JM |
8894 | fatal_error (input_location, |
8895 | "multilib exclusion %qs is invalid", | |
2dec80c7 | 8896 | multilib_exclusions); |
3b5edfee | 8897 | } |
9218435e | 8898 | |
d25a45d4 KH |
8899 | if (! m) |
8900 | { | |
8901 | ++e; | |
8902 | continue; | |
8903 | } | |
0a8d6618 | 8904 | |
d25a45d4 | 8905 | this_arg = e; |
9218435e | 8906 | |
d25a45d4 KH |
8907 | while (*e != ' ' && *e != ';') |
8908 | { | |
8909 | if (*e == '\0') | |
3b5edfee | 8910 | goto invalid_exclusion; |
d25a45d4 KH |
8911 | ++e; |
8912 | } | |
0a8d6618 | 8913 | |
d25a45d4 KH |
8914 | q = p + 1; |
8915 | while (*q != ';') | |
8916 | { | |
8917 | const char *arg; | |
8918 | int len = e - this_arg; | |
0a8d6618 | 8919 | |
d25a45d4 | 8920 | if (*q == '\0') |
3b5edfee | 8921 | goto invalid_select; |
0a8d6618 | 8922 | |
d25a45d4 KH |
8923 | arg = q; |
8924 | ||
8925 | while (*q != ' ' && *q != ';') | |
8926 | { | |
8927 | if (*q == '\0') | |
3b5edfee | 8928 | goto invalid_select; |
0a8d6618 | 8929 | ++q; |
d25a45d4 | 8930 | } |
0a8d6618 | 8931 | |
3b5edfee NS |
8932 | if (! strncmp (arg, this_arg, |
8933 | (len < q - arg) ? q - arg : len) | |
8934 | || default_arg (this_arg, e - this_arg)) | |
d25a45d4 KH |
8935 | { |
8936 | mp = 1; | |
8937 | break; | |
8938 | } | |
0a8d6618 | 8939 | |
d25a45d4 KH |
8940 | if (*q == ' ') |
8941 | ++q; | |
8942 | } | |
9218435e | 8943 | |
d25a45d4 KH |
8944 | if (! mp) |
8945 | m = 0; | |
0a8d6618 | 8946 | |
d25a45d4 KH |
8947 | if (*e == ' ') |
8948 | ++e; | |
8949 | } | |
8950 | ||
8951 | if (m) | |
8952 | { | |
8953 | skip = 1; | |
8954 | break; | |
8955 | } | |
8956 | ||
8957 | if (*e != '\0') | |
8958 | ++e; | |
8959 | } | |
8960 | } | |
0a8d6618 BC |
8961 | |
8962 | if (! skip) | |
d25a45d4 KH |
8963 | { |
8964 | /* If this is a duplicate, skip it. */ | |
3b5edfee NS |
8965 | skip = (last_path != 0 |
8966 | && (unsigned int) (p - this_path) == last_path_len | |
ba78087b | 8967 | && ! filename_ncmp (last_path, this_path, last_path_len)); |
60103a34 | 8968 | |
d25a45d4 KH |
8969 | last_path = this_path; |
8970 | last_path_len = p - this_path; | |
0a8d6618 | 8971 | } |
60103a34 | 8972 | |
03c42484 RK |
8973 | /* If this directory requires any default arguments, we can skip |
8974 | it. We will already have printed a directory identical to | |
8975 | this one which does not require that default argument. */ | |
8976 | if (! skip) | |
8977 | { | |
3b304f5b | 8978 | const char *q; |
03c42484 RK |
8979 | |
8980 | q = p + 1; | |
8981 | while (*q != ';') | |
8982 | { | |
3b304f5b | 8983 | const char *arg; |
03c42484 RK |
8984 | |
8985 | if (*q == '\0') | |
3b5edfee | 8986 | goto invalid_select; |
03c42484 RK |
8987 | |
8988 | if (*q == '!') | |
8989 | arg = NULL; | |
8990 | else | |
8991 | arg = q; | |
8992 | ||
8993 | while (*q != ' ' && *q != ';') | |
8994 | { | |
8995 | if (*q == '\0') | |
3b5edfee | 8996 | goto invalid_select; |
03c42484 RK |
8997 | ++q; |
8998 | } | |
8999 | ||
9000 | if (arg != NULL | |
9001 | && default_arg (arg, q - arg)) | |
9002 | { | |
9003 | skip = 1; | |
9004 | break; | |
9005 | } | |
9006 | ||
9007 | if (*q == ' ') | |
9008 | ++q; | |
9009 | } | |
9010 | } | |
9011 | ||
60103a34 DE |
9012 | if (! skip) |
9013 | { | |
3b304f5b | 9014 | const char *p1; |
60103a34 | 9015 | |
5bbcd587 | 9016 | for (p1 = last_path; p1 < p && *p1 != ':'; p1++) |
60103a34 DE |
9017 | putchar (*p1); |
9018 | putchar (';'); | |
9019 | } | |
9020 | ||
9021 | ++p; | |
9022 | while (*p != ';') | |
9023 | { | |
9024 | int use_arg; | |
9025 | ||
9026 | if (*p == '\0') | |
3b5edfee | 9027 | goto invalid_select; |
60103a34 DE |
9028 | |
9029 | if (skip) | |
9030 | { | |
9031 | ++p; | |
9032 | continue; | |
9033 | } | |
9034 | ||
9035 | use_arg = *p != '!'; | |
9036 | ||
9037 | if (use_arg) | |
9038 | putchar ('@'); | |
9039 | ||
9040 | while (*p != ' ' && *p != ';') | |
9041 | { | |
9042 | if (*p == '\0') | |
3b5edfee | 9043 | goto invalid_select; |
60103a34 DE |
9044 | if (use_arg) |
9045 | putchar (*p); | |
9046 | ++p; | |
9047 | } | |
9048 | ||
9049 | if (*p == ' ') | |
9050 | ++p; | |
9051 | } | |
9052 | ||
9053 | if (! skip) | |
961b7009 | 9054 | { |
3ac63d94 | 9055 | /* If there are extra options, print them now. */ |
961b7009 MM |
9056 | if (multilib_extra && *multilib_extra) |
9057 | { | |
9058 | int print_at = TRUE; | |
3b304f5b | 9059 | const char *q; |
961b7009 MM |
9060 | |
9061 | for (q = multilib_extra; *q != '\0'; q++) | |
9062 | { | |
9063 | if (*q == ' ') | |
9064 | print_at = TRUE; | |
9065 | else | |
9066 | { | |
9067 | if (print_at) | |
9068 | putchar ('@'); | |
9069 | putchar (*q); | |
9070 | print_at = FALSE; | |
9071 | } | |
9072 | } | |
9073 | } | |
9218435e | 9074 | |
961b7009 MM |
9075 | putchar ('\n'); |
9076 | } | |
60103a34 DE |
9077 | |
9078 | ++p; | |
9079 | } | |
9080 | } | |
f3226a90 | 9081 | \f |
30d8946b MM |
9082 | /* getenv built-in spec function. |
9083 | ||
9084 | Returns the value of the environment variable given by its first | |
9085 | argument, concatenated with the second argument. If the | |
9086 | environment variable is not defined, a fatal error is issued. */ | |
9087 | ||
9088 | static const char * | |
9089 | getenv_spec_function (int argc, const char **argv) | |
9090 | { | |
9376dd63 | 9091 | const char *value; |
5557813a NS |
9092 | char *result; |
9093 | char *ptr; | |
9094 | size_t len; | |
30d8946b MM |
9095 | |
9096 | if (argc != 2) | |
9097 | return NULL; | |
9098 | ||
9376dd63 | 9099 | value = env.get (argv[0]); |
30d8946b | 9100 | if (!value) |
40fecdd6 JM |
9101 | fatal_error (input_location, |
9102 | "environment variable %qs not defined", argv[0]); | |
30d8946b | 9103 | |
5557813a | 9104 | /* We have to escape every character of the environment variable so |
fa10beec RW |
9105 | they are not interpreted as active spec characters. A |
9106 | particularly painful case is when we are reading a variable | |
5557813a NS |
9107 | holding a windows path complete with \ separators. */ |
9108 | len = strlen (value) * 2 + strlen (argv[1]) + 1; | |
e1e4cdc4 | 9109 | result = XNEWVAR (char, len); |
5557813a NS |
9110 | for (ptr = result; *value; ptr += 2) |
9111 | { | |
9112 | ptr[0] = '\\'; | |
9113 | ptr[1] = *value++; | |
9114 | } | |
b8698a0f | 9115 | |
5557813a | 9116 | strcpy (ptr, argv[1]); |
b8698a0f | 9117 | |
5557813a | 9118 | return result; |
30d8946b MM |
9119 | } |
9120 | ||
f3226a90 JT |
9121 | /* if-exists built-in spec function. |
9122 | ||
9123 | Checks to see if the file specified by the absolute pathname in | |
9124 | ARGS exists. Returns that pathname if found. | |
9125 | ||
9126 | The usual use for this function is to check for a library file | |
9127 | (whose name has been expanded with %s). */ | |
9128 | ||
9129 | static const char * | |
1d088dee | 9130 | if_exists_spec_function (int argc, const char **argv) |
f3226a90 JT |
9131 | { |
9132 | /* Must have only one argument. */ | |
3dce1408 | 9133 | if (argc == 1 && IS_ABSOLUTE_PATH (argv[0]) && ! access (argv[0], R_OK)) |
f3226a90 JT |
9134 | return argv[0]; |
9135 | ||
9136 | return NULL; | |
9137 | } | |
152a5a9c JT |
9138 | |
9139 | /* if-exists-else built-in spec function. | |
9140 | ||
9141 | This is like if-exists, but takes an additional argument which | |
9142 | is returned if the first argument does not exist. */ | |
9143 | ||
9144 | static const char * | |
1d088dee | 9145 | if_exists_else_spec_function (int argc, const char **argv) |
152a5a9c JT |
9146 | { |
9147 | /* Must have exactly two arguments. */ | |
9148 | if (argc != 2) | |
9149 | return NULL; | |
9150 | ||
3dce1408 | 9151 | if (IS_ABSOLUTE_PATH (argv[0]) && ! access (argv[0], R_OK)) |
152a5a9c JT |
9152 | return argv[0]; |
9153 | ||
9154 | return argv[1]; | |
9155 | } | |
3dd53121 | 9156 | |
de5a5fa1 MP |
9157 | /* sanitize built-in spec function. |
9158 | ||
9159 | This returns non-NULL, if sanitizing address, thread or | |
9160 | any of the undefined behavior sanitizers. */ | |
9161 | ||
9162 | static const char * | |
9163 | sanitize_spec_function (int argc, const char **argv) | |
9164 | { | |
9165 | if (argc != 1) | |
9166 | return NULL; | |
9167 | ||
9168 | if (strcmp (argv[0], "address") == 0) | |
fec4842d YG |
9169 | return (flag_sanitize & SANITIZE_USER_ADDRESS) ? "" : NULL; |
9170 | if (strcmp (argv[0], "kernel-address") == 0) | |
9171 | return (flag_sanitize & SANITIZE_KERNEL_ADDRESS) ? "" : NULL; | |
de5a5fa1 MP |
9172 | if (strcmp (argv[0], "thread") == 0) |
9173 | return (flag_sanitize & SANITIZE_THREAD) ? "" : NULL; | |
9174 | if (strcmp (argv[0], "undefined") == 0) | |
85a16bf8 | 9175 | return ((flag_sanitize & (SANITIZE_UNDEFINED | SANITIZE_NONDEFAULT)) |
1c33c9b7 | 9176 | && !flag_sanitize_undefined_trap_on_error) ? "" : NULL; |
9065ada9 JJ |
9177 | if (strcmp (argv[0], "leak") == 0) |
9178 | return ((flag_sanitize | |
9179 | & (SANITIZE_ADDRESS | SANITIZE_LEAK | SANITIZE_THREAD)) | |
9180 | == SANITIZE_LEAK) ? "" : NULL; | |
de5a5fa1 MP |
9181 | return NULL; |
9182 | } | |
9183 | ||
3dd53121 | 9184 | /* replace-outfile built-in spec function. |
ed5b9f96 GK |
9185 | |
9186 | This looks for the first argument in the outfiles array's name and | |
9187 | replaces it with the second argument. */ | |
3dd53121 AP |
9188 | |
9189 | static const char * | |
9190 | replace_outfile_spec_function (int argc, const char **argv) | |
9191 | { | |
9192 | int i; | |
9193 | /* Must have exactly two arguments. */ | |
9194 | if (argc != 2) | |
9195 | abort (); | |
7904f95f | 9196 | |
3dd53121 AP |
9197 | for (i = 0; i < n_infiles; i++) |
9198 | { | |
ba78087b | 9199 | if (outfiles[i] && !filename_cmp (outfiles[i], argv[0])) |
3dd53121 AP |
9200 | outfiles[i] = xstrdup (argv[1]); |
9201 | } | |
9202 | return NULL; | |
9203 | } | |
9204 | ||
2642f659 JH |
9205 | /* remove-outfile built-in spec function. |
9206 | * | |
9207 | * This looks for the first argument in the outfiles array's name and | |
9208 | * removes it. */ | |
9209 | ||
9210 | static const char * | |
9211 | remove_outfile_spec_function (int argc, const char **argv) | |
9212 | { | |
9213 | int i; | |
9214 | /* Must have exactly one argument. */ | |
9215 | if (argc != 1) | |
9216 | abort (); | |
9217 | ||
9218 | for (i = 0; i < n_infiles; i++) | |
9219 | { | |
ba78087b | 9220 | if (outfiles[i] && !filename_cmp (outfiles[i], argv[0])) |
2642f659 JH |
9221 | outfiles[i] = NULL; |
9222 | } | |
9223 | return NULL; | |
9224 | } | |
9225 | ||
7904f95f | 9226 | /* Given two version numbers, compares the two numbers. |
ed5b9f96 GK |
9227 | A version number must match the regular expression |
9228 | ([1-9][0-9]*|0)(\.([1-9][0-9]*|0))* | |
9229 | */ | |
9230 | static int | |
9231 | compare_version_strings (const char *v1, const char *v2) | |
9232 | { | |
9233 | int rresult; | |
9234 | regex_t r; | |
7904f95f | 9235 | |
ed5b9f96 GK |
9236 | if (regcomp (&r, "^([1-9][0-9]*|0)(\\.([1-9][0-9]*|0))*$", |
9237 | REG_EXTENDED | REG_NOSUB) != 0) | |
9238 | abort (); | |
9239 | rresult = regexec (&r, v1, 0, NULL, 0); | |
9240 | if (rresult == REG_NOMATCH) | |
40fecdd6 | 9241 | fatal_error (input_location, "invalid version number %qs", v1); |
ed5b9f96 GK |
9242 | else if (rresult != 0) |
9243 | abort (); | |
9244 | rresult = regexec (&r, v2, 0, NULL, 0); | |
9245 | if (rresult == REG_NOMATCH) | |
40fecdd6 | 9246 | fatal_error (input_location, "invalid version number %qs", v2); |
ed5b9f96 GK |
9247 | else if (rresult != 0) |
9248 | abort (); | |
9249 | ||
9250 | return strverscmp (v1, v2); | |
9251 | } | |
9252 | ||
9253 | ||
9254 | /* version_compare built-in spec function. | |
9255 | ||
9256 | This takes an argument of the following form: | |
9257 | ||
9258 | <comparison-op> <arg1> [<arg2>] <switch> <result> | |
9259 | ||
9260 | and produces "result" if the comparison evaluates to true, | |
9261 | and nothing if it doesn't. | |
9262 | ||
9263 | The supported <comparison-op> values are: | |
7904f95f | 9264 | |
ed5b9f96 GK |
9265 | >= true if switch is a later (or same) version than arg1 |
9266 | !> opposite of >= | |
9267 | < true if switch is an earlier version than arg1 | |
9268 | !< opposite of < | |
9269 | >< true if switch is arg1 or later, and earlier than arg2 | |
9270 | <> true if switch is earlier than arg1 or is arg2 or later | |
9271 | ||
9272 | If the switch is not present, the condition is false unless | |
9273 | the first character of the <comparison-op> is '!'. | |
9274 | ||
9275 | For example, | |
9276 | %:version-compare(>= 10.3 mmacosx-version-min= -lmx) | |
9277 | adds -lmx if -mmacosx-version-min=10.3.9 was passed. */ | |
9278 | ||
9279 | static const char * | |
9280 | version_compare_spec_function (int argc, const char **argv) | |
9281 | { | |
9282 | int comp1, comp2; | |
9283 | size_t switch_len; | |
9284 | const char *switch_value = NULL; | |
9285 | int nargs = 1, i; | |
9286 | bool result; | |
9287 | ||
9288 | if (argc < 3) | |
40fecdd6 | 9289 | fatal_error (input_location, "too few arguments to %%:version-compare"); |
ed5b9f96 GK |
9290 | if (argv[0][0] == '\0') |
9291 | abort (); | |
9292 | if ((argv[0][1] == '<' || argv[0][1] == '>') && argv[0][0] != '!') | |
9293 | nargs = 2; | |
9294 | if (argc != nargs + 3) | |
40fecdd6 | 9295 | fatal_error (input_location, "too many arguments to %%:version-compare"); |
ed5b9f96 GK |
9296 | |
9297 | switch_len = strlen (argv[nargs + 1]); | |
9298 | for (i = 0; i < n_switches; i++) | |
9299 | if (!strncmp (switches[i].part1, argv[nargs + 1], switch_len) | |
9300 | && check_live_switch (i, switch_len)) | |
9301 | switch_value = switches[i].part1 + switch_len; | |
9302 | ||
9303 | if (switch_value == NULL) | |
9304 | comp1 = comp2 = -1; | |
9305 | else | |
9306 | { | |
9307 | comp1 = compare_version_strings (switch_value, argv[1]); | |
9308 | if (nargs == 2) | |
9309 | comp2 = compare_version_strings (switch_value, argv[2]); | |
9310 | else | |
9311 | comp2 = -1; /* This value unused. */ | |
9312 | } | |
9313 | ||
9314 | switch (argv[0][0] << 8 | argv[0][1]) | |
9315 | { | |
9316 | case '>' << 8 | '=': | |
9317 | result = comp1 >= 0; | |
9318 | break; | |
9319 | case '!' << 8 | '<': | |
9320 | result = comp1 >= 0 || switch_value == NULL; | |
9321 | break; | |
9322 | case '<' << 8: | |
9323 | result = comp1 < 0; | |
9324 | break; | |
9325 | case '!' << 8 | '>': | |
9326 | result = comp1 < 0 || switch_value == NULL; | |
9327 | break; | |
9328 | case '>' << 8 | '<': | |
9329 | result = comp1 >= 0 && comp2 < 0; | |
9330 | break; | |
9331 | case '<' << 8 | '>': | |
9332 | result = comp1 < 0 || comp2 >= 0; | |
9333 | break; | |
7904f95f | 9334 | |
ed5b9f96 | 9335 | default: |
40fecdd6 JM |
9336 | fatal_error (input_location, |
9337 | "unknown operator %qs in %%:version-compare", argv[0]); | |
ed5b9f96 GK |
9338 | } |
9339 | if (! result) | |
9340 | return NULL; | |
9341 | ||
9342 | return argv[nargs + 2]; | |
9343 | } | |
953ff289 DN |
9344 | |
9345 | /* %:include builtin spec function. This differs from %include in that it | |
9346 | can be nested inside a spec, and thus be conditionalized. It takes | |
9347 | one argument, the filename, and looks for it in the startfile path. | |
9348 | The result is always NULL, i.e. an empty expansion. */ | |
9349 | ||
9350 | static const char * | |
9351 | include_spec_function (int argc, const char **argv) | |
9352 | { | |
9353 | char *file; | |
9354 | ||
9355 | if (argc != 1) | |
9356 | abort (); | |
9357 | ||
4d2b059d | 9358 | file = find_a_file (&startfile_prefixes, argv[0], R_OK, true); |
d168aaee | 9359 | read_specs (file ? file : argv[0], false, false); |
953ff289 DN |
9360 | |
9361 | return NULL; | |
9362 | } | |
a0f87454 | 9363 | |
c1ce46a5 | 9364 | /* %:find-file spec function. This function replaces its argument by |
073a8998 | 9365 | the file found through find_file, that is the -print-file-name gcc |
4adbd5dd MK |
9366 | program option. */ |
9367 | static const char * | |
c1ce46a5 | 9368 | find_file_spec_function (int argc, const char **argv) |
4adbd5dd MK |
9369 | { |
9370 | const char *file; | |
9371 | ||
9372 | if (argc != 1) | |
9373 | abort (); | |
9374 | ||
9375 | file = find_file (argv[0]); | |
9376 | return file; | |
9377 | } | |
9378 | ||
9379 | ||
c1ce46a5 | 9380 | /* %:find-plugindir spec function. This function replaces its argument |
073a8998 | 9381 | by the -iplugindir=<dir> option. `dir' is found through find_file, that |
c1ce46a5 MK |
9382 | is the -print-file-name gcc program option. */ |
9383 | static const char * | |
9384 | find_plugindir_spec_function (int argc, const char **argv ATTRIBUTE_UNUSED) | |
9385 | { | |
9386 | const char *option; | |
9387 | ||
9388 | if (argc != 0) | |
9389 | abort (); | |
9390 | ||
9391 | option = concat ("-iplugindir=", find_file ("plugin"), NULL); | |
9392 | return option; | |
9393 | } | |
9394 | ||
9395 | ||
a0f87454 RS |
9396 | /* %:print-asm-header spec function. Print a banner to say that the |
9397 | following output is from the assembler. */ | |
9398 | ||
9399 | static const char * | |
9400 | print_asm_header_spec_function (int arg ATTRIBUTE_UNUSED, | |
9401 | const char **argv ATTRIBUTE_UNUSED) | |
9402 | { | |
4dad0aca | 9403 | printf (_("Assembler options\n=================\n\n")); |
a0f87454 RS |
9404 | printf (_("Use \"-Wa,OPTION\" to pass \"OPTION\" to the assembler.\n\n")); |
9405 | fflush (stdout); | |
9406 | return NULL; | |
9407 | } | |
2153915d | 9408 | |
44a22bdb | 9409 | /* Get a random number for -frandom-seed */ |
b5b8b0ac | 9410 | |
44a22bdb AK |
9411 | static unsigned HOST_WIDE_INT |
9412 | get_random_number (void) | |
b5b8b0ac | 9413 | { |
44a22bdb AK |
9414 | unsigned HOST_WIDE_INT ret = 0; |
9415 | int fd; | |
9416 | ||
9417 | fd = open ("/dev/urandom", O_RDONLY); | |
9418 | if (fd >= 0) | |
9419 | { | |
9420 | read (fd, &ret, sizeof (HOST_WIDE_INT)); | |
9421 | close (fd); | |
9422 | if (ret) | |
9423 | return ret; | |
9424 | } | |
b5b8b0ac AO |
9425 | |
9426 | /* Get some more or less random data. */ | |
9427 | #ifdef HAVE_GETTIMEOFDAY | |
9428 | { | |
9429 | struct timeval tv; | |
9430 | ||
9431 | gettimeofday (&tv, NULL); | |
9432 | ret = tv.tv_sec * 1000 + tv.tv_usec / 1000; | |
9433 | } | |
9434 | #else | |
9435 | { | |
9436 | time_t now = time (NULL); | |
9437 | ||
9438 | if (now != (time_t)-1) | |
9439 | ret = (unsigned) now; | |
9440 | } | |
9441 | #endif | |
9442 | ||
c3284718 | 9443 | return ret ^ getpid (); |
b5b8b0ac AO |
9444 | } |
9445 | ||
2153915d AO |
9446 | /* %:compare-debug-dump-opt spec function. Save the last argument, |
9447 | expected to be the last -fdump-final-insns option, or generate a | |
9448 | temporary. */ | |
9449 | ||
9450 | static const char * | |
9451 | compare_debug_dump_opt_spec_function (int arg, | |
9452 | const char **argv ATTRIBUTE_UNUSED) | |
9453 | { | |
fc429b48 | 9454 | char *ret; |
2153915d AO |
9455 | char *name; |
9456 | int which; | |
b5b8b0ac | 9457 | static char random_seed[HOST_BITS_PER_WIDE_INT / 4 + 3]; |
2153915d AO |
9458 | |
9459 | if (arg != 0) | |
40fecdd6 JM |
9460 | fatal_error (input_location, |
9461 | "too many arguments to %%:compare-debug-dump-opt"); | |
2153915d | 9462 | |
2153915d AO |
9463 | do_spec_2 ("%{fdump-final-insns=*:%*}"); |
9464 | do_spec_1 (" ", 0, NULL); | |
9465 | ||
9771b263 DN |
9466 | if (argbuf.length () > 0 |
9467 | && strcmp (argv[argbuf.length () - 1], ".")) | |
2153915d | 9468 | { |
b5b8b0ac AO |
9469 | if (!compare_debug) |
9470 | return NULL; | |
9471 | ||
9771b263 | 9472 | name = xstrdup (argv[argbuf.length () - 1]); |
2153915d AO |
9473 | ret = NULL; |
9474 | } | |
9475 | else | |
9476 | { | |
b5b8b0ac AO |
9477 | const char *ext = NULL; |
9478 | ||
9771b263 | 9479 | if (argbuf.length () > 0) |
b5b8b0ac AO |
9480 | { |
9481 | do_spec_2 ("%{o*:%*}%{!o:%{!S:%b%O}%{S:%b.s}}"); | |
9482 | ext = ".gkd"; | |
9483 | } | |
9484 | else if (!compare_debug) | |
9485 | return NULL; | |
9486 | else | |
9487 | do_spec_2 ("%g.gkd"); | |
2153915d | 9488 | |
2153915d | 9489 | do_spec_1 (" ", 0, NULL); |
2153915d | 9490 | |
9771b263 | 9491 | gcc_assert (argbuf.length () > 0); |
2153915d | 9492 | |
9771b263 | 9493 | name = concat (argbuf.last (), ext, NULL); |
b5b8b0ac AO |
9494 | |
9495 | ret = concat ("-fdump-final-insns=", name, NULL); | |
2153915d AO |
9496 | } |
9497 | ||
9498 | which = compare_debug < 0; | |
9499 | debug_check_temp_file[which] = name; | |
9500 | ||
b5b8b0ac AO |
9501 | if (!which) |
9502 | { | |
44a22bdb | 9503 | unsigned HOST_WIDE_INT value = get_random_number (); |
b5b8b0ac AO |
9504 | |
9505 | sprintf (random_seed, HOST_WIDE_INT_PRINT_HEX, value); | |
9506 | } | |
9507 | ||
9508 | if (*random_seed) | |
fc429b48 TB |
9509 | { |
9510 | char *tmp = ret; | |
9511 | ret = concat ("%{!frandom-seed=*:-frandom-seed=", random_seed, "} ", | |
9512 | ret, NULL); | |
9513 | free (tmp); | |
9514 | } | |
b5b8b0ac AO |
9515 | |
9516 | if (which) | |
9517 | *random_seed = 0; | |
2153915d AO |
9518 | |
9519 | return ret; | |
9520 | } | |
9521 | ||
9522 | static const char *debug_auxbase_opt; | |
9523 | ||
9524 | /* %:compare-debug-self-opt spec function. Expands to the options | |
9525 | that are to be passed in the second compilation of | |
9526 | compare-debug. */ | |
9527 | ||
9528 | static const char * | |
9529 | compare_debug_self_opt_spec_function (int arg, | |
9530 | const char **argv ATTRIBUTE_UNUSED) | |
9531 | { | |
9532 | if (arg != 0) | |
40fecdd6 JM |
9533 | fatal_error (input_location, |
9534 | "too many arguments to %%:compare-debug-self-opt"); | |
2153915d AO |
9535 | |
9536 | if (compare_debug >= 0) | |
9537 | return NULL; | |
9538 | ||
9539 | do_spec_2 ("%{c|S:%{o*:%*}}"); | |
9540 | do_spec_1 (" ", 0, NULL); | |
9541 | ||
9771b263 | 9542 | if (argbuf.length () > 0) |
2153915d | 9543 | debug_auxbase_opt = concat ("-auxbase-strip ", |
9771b263 | 9544 | argbuf.last (), |
2153915d AO |
9545 | NULL); |
9546 | else | |
9547 | debug_auxbase_opt = NULL; | |
9548 | ||
9549 | return concat ("\ | |
9550 | %<o %<MD %<MMD %<MF* %<MG %<MP %<MQ* %<MT* \ | |
9551 | %<fdump-final-insns=* -w -S -o %j \ | |
9552 | %{!fcompare-debug-second:-fcompare-debug-second} \ | |
9553 | ", compare_debug_opt, NULL); | |
9554 | } | |
9555 | ||
9556 | /* %:compare-debug-auxbase-opt spec function. Expands to the auxbase | |
9557 | options that are to be passed in the second compilation of | |
9558 | compare-debug. It expects, as an argument, the basename of the | |
9559 | current input file name, with the .gk suffix appended to it. */ | |
9560 | ||
9561 | static const char * | |
9562 | compare_debug_auxbase_opt_spec_function (int arg, | |
9563 | const char **argv) | |
9564 | { | |
9565 | char *name; | |
9566 | int len; | |
9567 | ||
9568 | if (arg == 0) | |
40fecdd6 JM |
9569 | fatal_error (input_location, |
9570 | "too few arguments to %%:compare-debug-auxbase-opt"); | |
2153915d AO |
9571 | |
9572 | if (arg != 1) | |
40fecdd6 JM |
9573 | fatal_error (input_location, |
9574 | "too many arguments to %%:compare-debug-auxbase-opt"); | |
2153915d AO |
9575 | |
9576 | if (compare_debug >= 0) | |
9577 | return NULL; | |
9578 | ||
9579 | len = strlen (argv[0]); | |
9580 | if (len < 3 || strcmp (argv[0] + len - 3, ".gk") != 0) | |
40fecdd6 | 9581 | fatal_error (input_location, "argument to %%:compare-debug-auxbase-opt " |
2dec80c7 | 9582 | "does not end in .gk"); |
2153915d AO |
9583 | |
9584 | if (debug_auxbase_opt) | |
9585 | return debug_auxbase_opt; | |
9586 | ||
9587 | #define OPT "-auxbase " | |
9588 | ||
9589 | len -= 3; | |
9590 | name = (char*) xmalloc (sizeof (OPT) + len); | |
9591 | memcpy (name, OPT, sizeof (OPT) - 1); | |
9592 | memcpy (name + sizeof (OPT) - 1, argv[0], len); | |
9593 | name[sizeof (OPT) - 1 + len] = '\0'; | |
9594 | ||
b5b8b0ac AO |
9595 | #undef OPT |
9596 | ||
2153915d AO |
9597 | return name; |
9598 | } | |
9a37bc07 DK |
9599 | |
9600 | /* %:pass-through-libs spec function. Finds all -l options and input | |
9601 | file names in the lib spec passed to it, and makes a list of them | |
9602 | prepended with the plugin option to cause them to be passed through | |
9603 | to the final link after all the new object files have been added. */ | |
9604 | ||
9605 | const char * | |
9606 | pass_through_libs_spec_func (int argc, const char **argv) | |
9607 | { | |
9608 | char *prepended = xstrdup (" "); | |
9609 | int n; | |
9610 | /* Shlemiel the painter's algorithm. Innately horrible, but at least | |
9611 | we know that there will never be more than a handful of strings to | |
9612 | concat, and it's only once per run, so it's not worth optimising. */ | |
9613 | for (n = 0; n < argc; n++) | |
9614 | { | |
9615 | char *old = prepended; | |
9616 | /* Anything that isn't an option is a full path to an output | |
9617 | file; pass it through if it ends in '.a'. Among options, | |
9618 | pass only -l. */ | |
9619 | if (argv[n][0] == '-' && argv[n][1] == 'l') | |
9620 | { | |
9621 | const char *lopt = argv[n] + 2; | |
9622 | /* Handle both joined and non-joined -l options. If for any | |
9623 | reason there's a trailing -l with no joined or following | |
9624 | arg just discard it. */ | |
9625 | if (!*lopt && ++n >= argc) | |
9626 | break; | |
9627 | else if (!*lopt) | |
9628 | lopt = argv[n]; | |
9629 | prepended = concat (prepended, "-plugin-opt=-pass-through=-l", | |
9630 | lopt, " ", NULL); | |
9631 | } | |
9632 | else if (!strcmp (".a", argv[n] + strlen (argv[n]) - 2)) | |
9633 | { | |
9634 | prepended = concat (prepended, "-plugin-opt=-pass-through=", | |
9635 | argv[n], " ", NULL); | |
9636 | } | |
9637 | if (prepended != old) | |
9638 | free (old); | |
9639 | } | |
9640 | return prepended; | |
9641 | } | |
99ea153e SA |
9642 | |
9643 | /* %:replace-extension spec function. Replaces the extension of the | |
9644 | first argument with the second argument. */ | |
9645 | ||
9646 | const char * | |
9647 | replace_extension_spec_func (int argc, const char **argv) | |
9648 | { | |
9649 | char *name; | |
9650 | char *p; | |
9651 | char *result; | |
9652 | int i; | |
9653 | ||
9654 | if (argc != 2) | |
40fecdd6 | 9655 | fatal_error (input_location, "too few arguments to %%:replace-extension"); |
99ea153e SA |
9656 | |
9657 | name = xstrdup (argv[0]); | |
9658 | ||
c3284718 | 9659 | for (i = strlen (name) - 1; i >= 0; i--) |
99ea153e SA |
9660 | if (IS_DIR_SEPARATOR (name[i])) |
9661 | break; | |
9662 | ||
9663 | p = strrchr (name + i + 1, '.'); | |
9664 | if (p != NULL) | |
9665 | *p = '\0'; | |
9666 | ||
9667 | result = concat (name, argv[1], NULL); | |
9668 | ||
9669 | free (name); | |
9670 | return result; | |
9671 | } | |
3c27ce4c | 9672 | |
cf7416c3 TV |
9673 | /* Returns "" if the n in ARGV[1] == -opt=<n> is greater than ARGV[2]. |
9674 | Otherwise, return NULL. */ | |
9675 | ||
9676 | static const char * | |
9677 | greater_than_spec_func (int argc, const char **argv) | |
9678 | { | |
9679 | char *converted; | |
9680 | ||
9681 | if (argc == 1) | |
9682 | return NULL; | |
9683 | ||
9684 | gcc_assert (argc == 3); | |
9685 | gcc_assert (argv[0][0] == '-'); | |
9686 | gcc_assert (argv[0][1] == '\0'); | |
9687 | ||
9688 | /* Point p to <n> in in -opt=<n>. */ | |
9689 | const char *p = argv[1]; | |
9690 | while (true) | |
9691 | { | |
9692 | char c = *p; | |
9693 | if (c == '\0') | |
9694 | gcc_unreachable (); | |
9695 | ||
9696 | ++p; | |
9697 | ||
9698 | if (c == '=') | |
9699 | break; | |
9700 | } | |
9701 | ||
9702 | long arg = strtol (p, &converted, 10); | |
9703 | gcc_assert (converted != p); | |
9704 | ||
9705 | long lim = strtol (argv[2], &converted, 10); | |
9706 | gcc_assert (converted != argv[2]); | |
9707 | ||
9708 | if (arg > lim) | |
9709 | return ""; | |
9710 | ||
9711 | return NULL; | |
9712 | } | |
9713 | ||
3c27ce4c JY |
9714 | /* Insert backslash before spaces in ORIG (usually a file path), to |
9715 | avoid being broken by spec parser. | |
9716 | ||
9717 | This function is needed as do_spec_1 treats white space (' ' and '\t') | |
9718 | as the end of an argument. But in case of -plugin /usr/gcc install/xxx.so, | |
9719 | the file name should be treated as a single argument rather than being | |
9720 | broken into multiple. Solution is to insert '\\' before the space in a | |
9721 | file name. | |
9722 | ||
9723 | This function converts and only converts all occurrence of ' ' | |
9724 | to '\\' + ' ' and '\t' to '\\' + '\t'. For example: | |
9725 | "a b" -> "a\\ b" | |
9726 | "a b" -> "a\\ \\ b" | |
9727 | "a\tb" -> "a\\\tb" | |
9728 | "a\\ b" -> "a\\\\ b" | |
9729 | ||
9730 | orig: input null-terminating string that was allocated by xalloc. The | |
9731 | memory it points to might be freed in this function. Behavior undefined | |
9732 | if ORIG wasn't xalloced or was freed already at entry. | |
9733 | ||
9734 | Return: ORIG if no conversion needed. Otherwise a newly allocated string | |
9735 | that was converted from ORIG. */ | |
9736 | ||
9737 | static char * | |
9738 | convert_white_space (char *orig) | |
9739 | { | |
9740 | int len, number_of_space = 0; | |
9741 | ||
9742 | for (len = 0; orig[len]; len++) | |
9743 | if (orig[len] == ' ' || orig[len] == '\t') number_of_space++; | |
9744 | ||
9745 | if (number_of_space) | |
9746 | { | |
9747 | char *new_spec = (char *) xmalloc (len + number_of_space + 1); | |
9748 | int j, k; | |
9749 | for (j = 0, k = 0; j <= len; j++, k++) | |
9750 | { | |
9751 | if (orig[j] == ' ' || orig[j] == '\t') | |
9752 | new_spec[k++] = '\\'; | |
9753 | new_spec[k] = orig[j]; | |
9754 | } | |
9755 | free (orig); | |
9756 | return new_spec; | |
9757 | } | |
9758 | else | |
9759 | return orig; | |
9760 | } | |
2cb844ce | 9761 | |
9376dd63 DM |
9762 | static void |
9763 | path_prefix_reset (path_prefix *prefix) | |
9764 | { | |
9765 | struct prefix_list *iter, *next; | |
9766 | iter = prefix->plist; | |
9767 | while (iter) | |
9768 | { | |
9769 | next = iter->next; | |
9770 | free (const_cast <char *> (iter->prefix)); | |
9771 | XDELETE (iter); | |
9772 | iter = next; | |
9773 | } | |
9774 | prefix->plist = 0; | |
9775 | prefix->max_len = 0; | |
9776 | } | |
9777 | ||
9778 | /* Restore all state within gcc.c to the initial state, so that the driver | |
9779 | code can be safely re-run in-process. | |
9780 | ||
9781 | Many const char * variables are referenced by static specs (see | |
9782 | INIT_STATIC_SPEC above). These variables are restored to their default | |
9783 | values by a simple loop over the static specs. | |
9784 | ||
9785 | For other variables, we directly restore them all to their initial | |
9786 | values (often implicitly 0). | |
9787 | ||
9788 | Free the various obstacks in this file, along with "opts_obstack" | |
9789 | from opts.c. | |
9790 | ||
9791 | This function also restores any environment variables that were changed. */ | |
9792 | ||
9793 | void | |
9794 | driver::finalize () | |
9795 | { | |
9796 | env.restore (); | |
9797 | params_c_finalize (); | |
9798 | diagnostic_finish (global_dc); | |
9799 | ||
9800 | is_cpp_driver = 0; | |
9801 | at_file_supplied = 0; | |
9802 | print_help_list = 0; | |
9803 | print_version = 0; | |
9804 | verbose_only_flag = 0; | |
9805 | print_subprocess_help = 0; | |
9806 | use_ld = NULL; | |
9807 | report_times_to_file = NULL; | |
9808 | target_system_root = DEFAULT_TARGET_SYSTEM_ROOT; | |
9809 | target_system_root_changed = 0; | |
9810 | target_sysroot_suffix = 0; | |
9811 | target_sysroot_hdrs_suffix = 0; | |
9812 | save_temps_flag = SAVE_TEMPS_NONE; | |
9813 | save_temps_prefix = 0; | |
9814 | save_temps_length = 0; | |
9815 | spec_machine = DEFAULT_TARGET_MACHINE; | |
9816 | greatest_status = 1; | |
9817 | ||
9818 | finalize_options_struct (&global_options); | |
9819 | finalize_options_struct (&global_options_set); | |
9820 | ||
9821 | obstack_free (&obstack, NULL); | |
9822 | obstack_free (&opts_obstack, NULL); /* in opts.c */ | |
9823 | obstack_free (&collect_obstack, NULL); | |
9824 | ||
9825 | link_command_spec = LINK_COMMAND_SPEC; | |
9826 | ||
9827 | obstack_free (&multilib_obstack, NULL); | |
9828 | ||
9829 | user_specs_head = NULL; | |
9830 | user_specs_tail = NULL; | |
9831 | ||
9832 | /* Within the "compilers" vec, the fields "suffix" and "spec" were | |
9833 | statically allocated for the default compilers, but dynamically | |
9834 | allocated for additional compilers. Delete them for the latter. */ | |
9835 | for (int i = n_default_compilers; i < n_compilers; i++) | |
9836 | { | |
9837 | free (const_cast <char *> (compilers[i].suffix)); | |
9838 | free (const_cast <char *> (compilers[i].spec)); | |
9839 | } | |
9840 | XDELETEVEC (compilers); | |
9841 | compilers = NULL; | |
9842 | n_compilers = 0; | |
9843 | ||
9844 | linker_options.truncate (0); | |
9845 | assembler_options.truncate (0); | |
9846 | preprocessor_options.truncate (0); | |
9847 | ||
9848 | path_prefix_reset (&exec_prefixes); | |
9849 | path_prefix_reset (&startfile_prefixes); | |
9850 | path_prefix_reset (&include_prefixes); | |
9851 | ||
9852 | machine_suffix = 0; | |
9853 | just_machine_suffix = 0; | |
9854 | gcc_exec_prefix = 0; | |
9855 | gcc_libexec_prefix = 0; | |
9856 | md_exec_prefix = MD_EXEC_PREFIX; | |
9857 | md_startfile_prefix = MD_STARTFILE_PREFIX; | |
9858 | md_startfile_prefix_1 = MD_STARTFILE_PREFIX_1; | |
9859 | multilib_dir = 0; | |
9860 | multilib_os_dir = 0; | |
9861 | multiarch_dir = 0; | |
9862 | ||
9863 | XDELETEVEC (specs); | |
9864 | specs = 0; | |
9865 | for (unsigned i = 0; i < ARRAY_SIZE (static_specs); i++) | |
9866 | { | |
9867 | spec_list *sl = &static_specs[i]; | |
9868 | if (sl->alloc_p) | |
9869 | { | |
9870 | if (0) | |
9871 | free (const_cast <char *> (*(sl->ptr_spec))); | |
9872 | sl->alloc_p = false; | |
9873 | } | |
9874 | *(sl->ptr_spec) = sl->default_ptr; | |
9875 | } | |
de26e239 | 9876 | #ifdef EXTRA_SPECS |
9376dd63 | 9877 | extra_specs = NULL; |
de26e239 | 9878 | #endif |
9376dd63 DM |
9879 | |
9880 | processing_spec_function = 0; | |
9881 | ||
9882 | argbuf.truncate (0); | |
9883 | ||
9884 | have_c = 0; | |
9885 | have_o = 0; | |
9886 | ||
9887 | temp_names = NULL; | |
9888 | execution_count = 0; | |
9889 | signal_count = 0; | |
9890 | ||
9891 | temp_filename = NULL; | |
9892 | temp_filename_length = 0; | |
9893 | always_delete_queue = NULL; | |
9894 | failure_delete_queue = NULL; | |
9895 | ||
9896 | XDELETEVEC (switches); | |
9897 | switches = NULL; | |
9898 | n_switches = 0; | |
9899 | n_switches_alloc = 0; | |
9900 | ||
9901 | compare_debug = 0; | |
9902 | compare_debug_second = 0; | |
9903 | compare_debug_opt = NULL; | |
9904 | for (int i = 0; i < 2; i++) | |
9905 | { | |
9906 | switches_debug_check[i] = NULL; | |
9907 | n_switches_debug_check[i] = 0; | |
9908 | n_switches_alloc_debug_check[i] = 0; | |
9909 | debug_check_temp_file[i] = NULL; | |
9910 | } | |
9911 | ||
9912 | XDELETEVEC (infiles); | |
9913 | infiles = NULL; | |
9914 | n_infiles = 0; | |
9915 | n_infiles_alloc = 0; | |
9916 | ||
9917 | combine_inputs = false; | |
9918 | added_libraries = 0; | |
9919 | XDELETEVEC (outfiles); | |
9920 | outfiles = NULL; | |
9921 | spec_lang = 0; | |
9922 | last_language_n_infiles = 0; | |
9923 | gcc_input_filename = NULL; | |
9924 | input_file_number = 0; | |
9925 | input_filename_length = 0; | |
9926 | basename_length = 0; | |
9927 | suffixed_basename_length = 0; | |
9928 | input_basename = NULL; | |
9929 | input_suffix = NULL; | |
9930 | /* We don't need to purge "input_stat", just to unset "input_stat_set". */ | |
9931 | input_stat_set = 0; | |
9932 | input_file_compiler = NULL; | |
9933 | arg_going = 0; | |
9934 | delete_this_arg = 0; | |
9935 | this_is_output_file = 0; | |
9936 | this_is_library_file = 0; | |
9937 | this_is_linker_script = 0; | |
9938 | input_from_pipe = 0; | |
9939 | suffix_subst = NULL; | |
9940 | ||
9941 | mdswitches = NULL; | |
9942 | n_mdswitches = 0; | |
9943 | ||
9944 | debug_auxbase_opt = NULL; | |
9945 | ||
9946 | used_arg.finalize (); | |
9947 | } | |
9948 | ||
2cb844ce DM |
9949 | /* PR jit/64810. |
9950 | Targets can provide configure-time default options in | |
9951 | OPTION_DEFAULT_SPECS. The jit needs to access these, but | |
9952 | they are expressed in the spec language. | |
9953 | ||
9954 | Run just enough of the driver to be able to expand these | |
9955 | specs, and then call the callback CB on each | |
9956 | such option. The options strings are *without* a leading | |
9957 | '-' character e.g. ("march=x86-64"). Finally, clean up. */ | |
9958 | ||
9959 | void | |
9960 | driver_get_configure_time_options (void (*cb) (const char *option, | |
9961 | void *user_data), | |
9962 | void *user_data) | |
9963 | { | |
9964 | size_t i; | |
9965 | ||
9966 | obstack_init (&obstack); | |
de5672fc | 9967 | init_opts_obstack (); |
2cb844ce DM |
9968 | n_switches = 0; |
9969 | ||
9970 | for (i = 0; i < ARRAY_SIZE (option_default_specs); i++) | |
9971 | do_option_spec (option_default_specs[i].name, | |
9972 | option_default_specs[i].spec); | |
9973 | ||
9974 | for (i = 0; (int) i < n_switches; i++) | |
9975 | { | |
9976 | gcc_assert (switches[i].part1); | |
9977 | (*cb) (switches[i].part1, user_data); | |
9978 | } | |
9979 | ||
9980 | obstack_free (&opts_obstack, NULL); | |
9981 | obstack_free (&obstack, NULL); | |
9982 | n_switches = 0; | |
9983 | } |