]>
Commit | Line | Data |
---|---|---|
ed1f651b | 1 | /* Compiler driver program that can handle many languages. |
cbe34bb5 | 2 | Copyright (C) 1987-2017 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 **); |
1c70261c | 405 | static const char *debug_level_greater_than_spec_func (int, const char **); |
3c27ce4c | 406 | static char *convert_white_space (char *); |
ed1f651b | 407 | \f |
d991c721 BK |
408 | /* The Specs Language |
409 | ||
410 | Specs are strings containing lines, each of which (if not blank) | |
ed1f651b RS |
411 | is made up of a program name, and arguments separated by spaces. |
412 | The program name must be exact and start from root, since no path | |
413 | is searched and it is unreliable to depend on the current working directory. | |
414 | Redirection of input or output is not supported; the subprograms must | |
415 | accept filenames saying what files to read and write. | |
416 | ||
417 | In addition, the specs can contain %-sequences to substitute variable text | |
418 | or for conditional text. Here is a table of all defined %-sequences. | |
419 | Note that spaces are not generated automatically around the results of | |
420 | expanding these sequences; therefore, you can concatenate them together | |
421 | or with constant text in a single argument. | |
422 | ||
423 | %% substitute one % into the program name or argument. | |
424 | %i substitute the name of the input file being processed. | |
425 | %b substitute the basename of the input file being processed. | |
426 | This is the substring up to (and not including) the last period | |
14fdc613 | 427 | and not including the directory unless -save-temps was specified |
3beb864c | 428 | to put temporaries in a different location. |
ea414c97 | 429 | %B same as %b, but include the file suffix (text after the last period). |
dd75c292 CB |
430 | %gSUFFIX |
431 | substitute a file name that has suffix SUFFIX and is chosen | |
432 | once per compilation, and mark the argument a la %d. To reduce | |
433 | exposure to denial-of-service attacks, the file name is now | |
434 | chosen in a way that is hard to predict even when previously | |
435 | chosen file names are known. For example, `%g.s ... %g.o ... %g.s' | |
436 | might turn into `ccUVUUAU.s ccXYAXZ12.o ccUVUUAU.s'. SUFFIX matches | |
a92dd235 | 437 | the regexp "[.0-9A-Za-z]*%O"; "%O" is treated exactly as if it |
a1d9074c TT |
438 | had been pre-processed. Previously, %g was simply substituted |
439 | with a file name chosen once per compilation, without regard | |
440 | to any appended suffix (which was therefore treated just like | |
441 | ordinary text), making such attacks more likely to succeed. | |
4977bab6 ZW |
442 | %|SUFFIX |
443 | like %g, but if -pipe is in effect, expands simply to "-". | |
444 | %mSUFFIX | |
445 | like %g, but if -pipe is in effect, expands to nothing. (We have both | |
446 | %| and %m to accommodate differences between system assemblers; see | |
447 | the AS_NEEDS_DASH_FOR_PIPED_INPUT target macro.) | |
dd75c292 CB |
448 | %uSUFFIX |
449 | like %g, but generates a new temporary file name even if %uSUFFIX | |
450 | was already seen. | |
451 | %USUFFIX | |
452 | substitutes the last file name generated with %uSUFFIX, generating a | |
453 | new one if there is no such last file name. In the absence of any | |
454 | %uSUFFIX, this is just like %gSUFFIX, except they don't share | |
455 | the same suffix "space", so `%g.s ... %U.s ... %g.s ... %U.s' | |
456 | would involve the generation of two distinct file names, one | |
457 | for each `%g.s' and another for each `%U.s'. Previously, %U was | |
458 | simply substituted with a file name chosen for the previous %u, | |
459 | without regard to any appended suffix. | |
49009afd JL |
460 | %jSUFFIX |
461 | substitutes the name of the HOST_BIT_BUCKET, if any, and if it is | |
462 | writable, and if save-temps is off; otherwise, substitute the name | |
463 | of a temporary file, just like %u. This temporary file is not | |
464 | meant for communication between processes, but rather as a junk | |
465 | disposal mechanism. | |
11972f66 NS |
466 | %.SUFFIX |
467 | substitutes .SUFFIX for the suffixes of a matched switch's args when | |
468 | it is subsequently output with %*. SUFFIX is terminated by the next | |
469 | space or %. | |
ed1f651b | 470 | %d marks the argument containing or following the %d as a |
026c3cfd | 471 | temporary file name, so that file will be deleted if GCC exits |
ed1f651b RS |
472 | successfully. Unlike %g, this contributes no text to the argument. |
473 | %w marks the argument containing or following the %w as the | |
474 | "output file" of this compilation. This puts the argument | |
475 | into the sequence of arguments that %o will substitute later. | |
17211ab5 | 476 | %V indicates that this compilation produces no "output file". |
ed1f651b RS |
477 | %W{...} |
478 | like %{...} but mark last argument supplied within | |
479 | as a file to be deleted on failure. | |
480 | %o substitutes the names of all the output files, with spaces | |
481 | automatically placed around them. You should write spaces | |
482 | around the %o as well or the results are undefined. | |
483 | %o is for use in the specs for running the linker. | |
484 | Input files whose names have no recognized suffix are not compiled | |
485 | at all, but they are included among the output files, so they will | |
486 | be linked. | |
dd75c292 | 487 | %O substitutes the suffix for object files. Note that this is |
a1d9074c TT |
488 | handled specially when it immediately follows %g, %u, or %U |
489 | (with or without a suffix argument) because of the need for | |
490 | those to form complete file names. The handling is such that | |
491 | %O is treated exactly as if it had already been substituted, | |
492 | except that %g, %u, and %U do not currently support additional | |
493 | SUFFIX characters following %O as they would following, for | |
494 | example, `.o'. | |
047d636f | 495 | %I Substitute any of -iprefix (made from GCC_EXEC_PREFIX), -isysroot |
2b6dd222 JM |
496 | (made from TARGET_SYSTEM_ROOT), -isystem (made from COMPILER_PATH |
497 | and -B options) and -imultilib as necessary. | |
ed1f651b RS |
498 | %s current argument is the name of a library or startup file of some sort. |
499 | Search for that file in a standard list of directories | |
500 | and substitute the full name found. | |
501 | %eSTR Print STR as an error message. STR is terminated by a newline. | |
502 | Use this when inconsistent options are detected. | |
09da1532 | 503 | %nSTR Print STR as a notice. STR is terminated by a newline. |
ed1f651b RS |
504 | %x{OPTION} Accumulate an option for %X. |
505 | %X Output the accumulated linker options specified by compilations. | |
c9ebacb8 | 506 | %Y Output the accumulated assembler options specified by compilations. |
57cb9b60 | 507 | %Z Output the accumulated preprocessor options specified by compilations. |
ed1f651b RS |
508 | %a process ASM_SPEC as a spec. |
509 | This allows config.h to specify part of the spec for running as. | |
510 | %A process ASM_FINAL_SPEC as a spec. A capital A is actually | |
511 | used here. This can be used to run a post-processor after the | |
9ec36da5 | 512 | assembler has done its job. |
48ff801b | 513 | %D Dump out a -L option for each directory in startfile_prefixes. |
60103a34 | 514 | If multilib_dir is set, extra entries are generated with it affixed. |
ed1f651b RS |
515 | %l process LINK_SPEC as a spec. |
516 | %L process LIB_SPEC as a spec. | |
3cd50158 | 517 | %M Output multilib_os_dir. |
68d69835 | 518 | %G process LIBGCC_SPEC as a spec. |
380e5ca4 MM |
519 | %R Output the concatenation of target_system_root and |
520 | target_sysroot_suffix. | |
ed1f651b RS |
521 | %S process STARTFILE_SPEC as a spec. A capital S is actually used here. |
522 | %E process ENDFILE_SPEC as a spec. A capital E is actually used here. | |
9db0819e | 523 | %C process CPP_SPEC as a spec. |
ed1f651b RS |
524 | %1 process CC1_SPEC as a spec. |
525 | %2 process CC1PLUS_SPEC as a spec. | |
526 | %* substitute the variable part of a matched option. (See below.) | |
527 | Note that each comma in the substituted string is replaced by | |
25990163 NC |
528 | a single space. A space is appended after the last substition |
529 | unless there is more text in current sequence. | |
4977bab6 ZW |
530 | %<S remove all occurrences of -S from the command line. |
531 | Note - this command is position dependent. % commands in the | |
532 | spec string before this one will see -S, % commands in the | |
533 | spec string after this one will not. | |
96f5b137 | 534 | %>S Similar to "%<S", but keep it in the GCC command line. |
4977bab6 ZW |
535 | %<S* remove all occurrences of all switches beginning with -S from the |
536 | command line. | |
f3226a90 JT |
537 | %:function(args) |
538 | Call the named function FUNCTION, passing it ARGS. ARGS is | |
539 | first processed as a nested spec string, then split into an | |
540 | argument vector in the usual fashion. The function returns | |
541 | a string which is processed as if it had appeared literally | |
542 | as part of the current spec. | |
ee618c17 | 543 | %{S} substitutes the -S switch, if that switch was given to GCC. |
ed1f651b RS |
544 | If that switch was not specified, this substitutes nothing. |
545 | Here S is a metasyntactic variable. | |
ee618c17 | 546 | %{S*} substitutes all the switches specified to GCC whose names start |
196a37f4 | 547 | with -S. This is used for -o, -I, etc; switches that take |
ee618c17 | 548 | arguments. GCC considers `-o foo' as being one switch whose |
ed1f651b RS |
549 | name starts with `o'. %{o*} would substitute this text, |
550 | including the space; thus, two arguments would be generated. | |
196a37f4 | 551 | %{S*&T*} likewise, but preserve order of S and T options (the order |
1d088dee AJ |
552 | of S and T in the spec is not significant). Can be any number |
553 | of ampersand-separated variables; for each the wild card is | |
554 | optional. Useful for CPP as %{D*&U*&A*}. | |
4977bab6 | 555 | |
ee618c17 BE |
556 | %{S:X} substitutes X, if the -S switch was given to GCC. |
557 | %{!S:X} substitutes X, if the -S switch was NOT given to GCC. | |
4977bab6 | 558 | %{S*:X} substitutes X if one or more switches whose names start |
ee618c17 | 559 | with -S was given to GCC. Normally X is substituted only |
4977bab6 ZW |
560 | once, no matter how many such switches appeared. However, |
561 | if %* appears somewhere in X, then X will be substituted | |
562 | once for each matching switch, with the %* replaced by the | |
25990163 NC |
563 | part of that switch that matched the '*'. A space will be |
564 | appended after the last substition unless there is more | |
565 | text in current sequence. | |
4977bab6 ZW |
566 | %{.S:X} substitutes X, if processing a file with suffix S. |
567 | %{!.S:X} substitutes X, if NOT processing a file with suffix S. | |
48137d59 GK |
568 | %{,S:X} substitutes X, if processing a file which will use spec S. |
569 | %{!,S:X} substitutes X, if NOT processing a file which will use spec S. | |
3beb864c | 570 | |
ee618c17 | 571 | %{S|T:X} substitutes X if either -S or -T was given to GCC. This may be |
48137d59 GK |
572 | combined with '!', '.', ',', and '*' as above binding stronger |
573 | than the OR. | |
4977bab6 ZW |
574 | If %* appears in X, all of the alternatives must be starred, and |
575 | only the first matching alternative is substituted. | |
de5a5fa1 MP |
576 | %{%:function(args):X} |
577 | Call function named FUNCTION with args ARGS. If the function | |
578 | returns non-NULL, then X is substituted, if it returns | |
579 | NULL, it isn't substituted. | |
ee618c17 BE |
580 | %{S:X; if S was given to GCC, substitutes X; |
581 | T:Y; else if T was given to GCC, substitutes Y; | |
4977bab6 | 582 | :D} else substitutes D. There can be as many clauses as you need. |
48137d59 | 583 | This may be combined with '.', '!', ',', '|', and '*' as above. |
4977bab6 | 584 | |
b3865ca9 | 585 | %(Spec) processes a specification defined in a specs file as *Spec: |
ed1f651b | 586 | |
31c83050 JD |
587 | The switch matching text S in a %{S}, %{S:X}, or similar construct can use |
588 | a backslash to ignore the special meaning of the character following it, | |
589 | thus allowing literal matching of a character that is otherwise specially | |
590 | treated. For example, %{std=iso9899\:1999:X} substitutes X if the | |
591 | -std=iso9899:1999 option is given. | |
592 | ||
4977bab6 | 593 | The conditional text X in a %{S:X} or similar construct may contain |
ed1f651b | 594 | other nested % constructs or spaces, or even newlines. They are |
4977bab6 ZW |
595 | processed as usual, as described above. Trailing white space in X is |
596 | ignored. White space may also appear anywhere on the left side of the | |
597 | colon in these constructs, except between . or * and the corresponding | |
598 | word. | |
ed1f651b | 599 | |
99ea153e | 600 | The -O, -f, -g, -m, and -W switches are handled specifically in these |
f5b0eb4e RK |
601 | constructs. If another value of -O or the negated form of a -f, -m, or |
602 | -W switch is found later in the command line, the earlier switch | |
6c396fb5 RK |
603 | value is ignored, except with {S*} where S is just one letter; this |
604 | passes all matching options. | |
f5b0eb4e | 605 | |
9bf09437 RH |
606 | The character | at the beginning of the predicate text is used to indicate |
607 | that a command should be piped to the following command, but only if -pipe | |
608 | is specified. | |
ed1f651b | 609 | |
ee618c17 | 610 | Note that it is built into GCC which switches take arguments and which |
ed1f651b RS |
611 | do not. You might think it would be useful to generalize this to |
612 | allow each compiler's spec to say which switches take arguments. But | |
ee618c17 | 613 | this cannot be done in a consistent fashion. GCC cannot even decide |
ed1f651b RS |
614 | which input files have been specified without knowing which switches |
615 | take arguments, and it must know which input files to compile in order | |
616 | to tell which compilers to run. | |
617 | ||
ee618c17 | 618 | GCC also knows implicitly that arguments starting in `-l' are to be |
ed1f651b RS |
619 | treated as compiler output files, and passed to the linker in their |
620 | proper position among the other output files. */ | |
621 | \f | |
0fef3fd0 | 622 | /* Define the macros used for specs %a, %l, %L, %S, %C, %1. */ |
ed1f651b RS |
623 | |
624 | /* config.h can define ASM_SPEC to provide extra args to the assembler | |
625 | or extra switch-translations. */ | |
626 | #ifndef ASM_SPEC | |
627 | #define ASM_SPEC "" | |
628 | #endif | |
629 | ||
630 | /* config.h can define ASM_FINAL_SPEC to run a post processor after | |
631 | the assembler has run. */ | |
632 | #ifndef ASM_FINAL_SPEC | |
99ea153e SA |
633 | #define ASM_FINAL_SPEC \ |
634 | "%{gsplit-dwarf: \n\ | |
635 | objcopy --extract-dwo \ | |
636 | %{c:%{o*:%*}%{!o*:%b%O}}%{!c:%U%O} \ | |
637 | %{c:%{o*:%:replace-extension(%{o*:%*} .dwo)}%{!o*:%b.dwo}}%{!c:%b.dwo} \n\ | |
638 | objcopy --strip-dwo \ | |
639 | %{c:%{o*:%*}%{!o*:%b%O}}%{!c:%U%O} \ | |
640 | }" | |
ed1f651b RS |
641 | #endif |
642 | ||
643 | /* config.h can define CPP_SPEC to provide extra args to the C preprocessor | |
644 | or extra switch-translations. */ | |
645 | #ifndef CPP_SPEC | |
646 | #define CPP_SPEC "" | |
647 | #endif | |
648 | ||
649 | /* config.h can define CC1_SPEC to provide extra args to cc1 and cc1plus | |
650 | or extra switch-translations. */ | |
651 | #ifndef CC1_SPEC | |
652 | #define CC1_SPEC "" | |
653 | #endif | |
654 | ||
655 | /* config.h can define CC1PLUS_SPEC to provide extra args to cc1plus | |
656 | or extra switch-translations. */ | |
657 | #ifndef CC1PLUS_SPEC | |
658 | #define CC1PLUS_SPEC "" | |
659 | #endif | |
660 | ||
661 | /* config.h can define LINK_SPEC to provide extra args to the linker | |
662 | or extra switch-translations. */ | |
663 | #ifndef LINK_SPEC | |
664 | #define LINK_SPEC "" | |
665 | #endif | |
666 | ||
667 | /* config.h can define LIB_SPEC to override the default libraries. */ | |
668 | #ifndef LIB_SPEC | |
68d69835 JM |
669 | #define LIB_SPEC "%{!shared:%{g*:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}}" |
670 | #endif | |
671 | ||
7458026b ILT |
672 | /* When using -fsplit-stack we need to wrap pthread_create, in order |
673 | to initialize the stack guard. We always use wrapping, rather than | |
674 | shared library ordering, and we keep the wrapper function in | |
675 | libgcc. This is not yet a real spec, though it could become one; | |
676 | it is currently just stuffed into LINK_SPEC. FIXME: This wrapping | |
98906124 | 677 | only works with GNU ld and gold. */ |
402565b6 LB |
678 | #ifdef HAVE_GOLD_NON_DEFAULT_SPLIT_STACK |
679 | #define STACK_SPLIT_SPEC " %{fsplit-stack: -fuse-ld=gold --wrap=pthread_create}" | |
680 | #else | |
7458026b | 681 | #define STACK_SPLIT_SPEC " %{fsplit-stack: --wrap=pthread_create}" |
402565b6 | 682 | #endif |
7458026b | 683 | |
7e8d1b2d | 684 | #ifndef LIBASAN_SPEC |
35814b03 JJ |
685 | #define STATIC_LIBASAN_LIBS \ |
686 | " %{static-libasan:%:include(libsanitizer.spec)%(link_libasan)}" | |
e60e09a0 | 687 | #ifdef LIBASAN_EARLY_SPEC |
35814b03 | 688 | #define LIBASAN_SPEC STATIC_LIBASAN_LIBS |
e60e09a0 | 689 | #elif defined(HAVE_LD_STATIC_DYNAMIC) |
7e8d1b2d | 690 | #define LIBASAN_SPEC "%{static-libasan:" LD_STATIC_OPTION \ |
03d670c8 | 691 | "} -lasan %{static-libasan:" LD_DYNAMIC_OPTION "}" \ |
35814b03 | 692 | STATIC_LIBASAN_LIBS |
7e8d1b2d | 693 | #else |
35814b03 | 694 | #define LIBASAN_SPEC "-lasan" STATIC_LIBASAN_LIBS |
7e8d1b2d L |
695 | #endif |
696 | #endif | |
697 | ||
e60e09a0 JJ |
698 | #ifndef LIBASAN_EARLY_SPEC |
699 | #define LIBASAN_EARLY_SPEC "" | |
700 | #endif | |
701 | ||
32b4b7f5 | 702 | #ifndef LIBTSAN_SPEC |
35814b03 JJ |
703 | #define STATIC_LIBTSAN_LIBS \ |
704 | " %{static-libtsan:%:include(libsanitizer.spec)%(link_libtsan)}" | |
a74db9bd | 705 | #ifdef LIBTSAN_EARLY_SPEC |
35814b03 | 706 | #define LIBTSAN_SPEC STATIC_LIBTSAN_LIBS |
a74db9bd | 707 | #elif defined(HAVE_LD_STATIC_DYNAMIC) |
32b4b7f5 | 708 | #define LIBTSAN_SPEC "%{static-libtsan:" LD_STATIC_OPTION \ |
a74db9bd | 709 | "} -ltsan %{static-libtsan:" LD_DYNAMIC_OPTION "}" \ |
35814b03 | 710 | STATIC_LIBTSAN_LIBS |
32b4b7f5 | 711 | #else |
35814b03 | 712 | #define LIBTSAN_SPEC "-ltsan" STATIC_LIBTSAN_LIBS |
a74db9bd | 713 | #endif |
32b4b7f5 | 714 | #endif |
a74db9bd JJ |
715 | |
716 | #ifndef LIBTSAN_EARLY_SPEC | |
717 | #define LIBTSAN_EARLY_SPEC "" | |
32b4b7f5 DV |
718 | #endif |
719 | ||
9065ada9 | 720 | #ifndef LIBLSAN_SPEC |
35814b03 JJ |
721 | #define STATIC_LIBLSAN_LIBS \ |
722 | " %{static-liblsan:%:include(libsanitizer.spec)%(link_liblsan)}" | |
d30c7670 JJ |
723 | #ifdef LIBLSAN_EARLY_SPEC |
724 | #define LIBLSAN_SPEC STATIC_LIBLSAN_LIBS | |
725 | #elif defined(HAVE_LD_STATIC_DYNAMIC) | |
726 | #define LIBLSAN_SPEC "%{static-liblsan:" LD_STATIC_OPTION \ | |
9065ada9 | 727 | "} -llsan %{static-liblsan:" LD_DYNAMIC_OPTION "}" \ |
d30c7670 | 728 | STATIC_LIBLSAN_LIBS |
9065ada9 | 729 | #else |
d30c7670 | 730 | #define LIBLSAN_SPEC "-llsan" STATIC_LIBLSAN_LIBS |
9065ada9 JJ |
731 | #endif |
732 | #endif | |
733 | ||
d30c7670 JJ |
734 | #ifndef LIBLSAN_EARLY_SPEC |
735 | #define LIBLSAN_EARLY_SPEC "" | |
736 | #endif | |
737 | ||
de5a5fa1 | 738 | #ifndef LIBUBSAN_SPEC |
35814b03 JJ |
739 | #define STATIC_LIBUBSAN_LIBS \ |
740 | " %{static-libubsan:%:include(libsanitizer.spec)%(link_libubsan)}" | |
9065ada9 | 741 | #ifdef HAVE_LD_STATIC_DYNAMIC |
de5a5fa1 MP |
742 | #define LIBUBSAN_SPEC "%{static-libubsan:" LD_STATIC_OPTION \ |
743 | "} -lubsan %{static-libubsan:" LD_DYNAMIC_OPTION "}" \ | |
35814b03 | 744 | STATIC_LIBUBSAN_LIBS |
de5a5fa1 | 745 | #else |
35814b03 | 746 | #define LIBUBSAN_SPEC "-lubsan" STATIC_LIBUBSAN_LIBS |
de5a5fa1 MP |
747 | #endif |
748 | #endif | |
749 | ||
29d7cbd1 RO |
750 | /* Linker options for compressed debug sections. */ |
751 | #if HAVE_LD_COMPRESS_DEBUG == 0 | |
752 | /* No linker support. */ | |
753 | #define LINK_COMPRESS_DEBUG_SPEC \ | |
754 | " %{gz*:%e-gz is not supported in this configuration} " | |
755 | #elif HAVE_LD_COMPRESS_DEBUG == 1 | |
756 | /* GNU style on input, GNU ld options. Reject, not useful. */ | |
757 | #define LINK_COMPRESS_DEBUG_SPEC \ | |
758 | " %{gz*:%e-gz is not supported in this configuration} " | |
759 | #elif HAVE_LD_COMPRESS_DEBUG == 2 | |
760 | /* GNU style, GNU gold options. */ | |
761 | #define LINK_COMPRESS_DEBUG_SPEC \ | |
762 | " %{gz|gz=zlib-gnu:" LD_COMPRESS_DEBUG_OPTION "=zlib}" \ | |
763 | " %{gz=none:" LD_COMPRESS_DEBUG_OPTION "=none}" \ | |
764 | " %{gz=zlib:%e-gz=zlib is not supported in this configuration} " | |
765 | #elif HAVE_LD_COMPRESS_DEBUG == 3 | |
766 | /* ELF gABI style. */ | |
767 | #define LINK_COMPRESS_DEBUG_SPEC \ | |
768 | " %{gz|gz=zlib:" LD_COMPRESS_DEBUG_OPTION "=zlib}" \ | |
769 | " %{gz=none:" LD_COMPRESS_DEBUG_OPTION "=none}" \ | |
770 | " %{gz=zlib-gnu:" LD_COMPRESS_DEBUG_OPTION "=zlib-gnu} " | |
771 | #else | |
772 | #error Unknown value for HAVE_LD_COMPRESS_DEBUG. | |
773 | #endif | |
774 | ||
68d69835 JM |
775 | /* config.h can define LIBGCC_SPEC to override how and when libgcc.a is |
776 | included. */ | |
777 | #ifndef LIBGCC_SPEC | |
328163dc MA |
778 | #if defined(REAL_LIBGCC_SPEC) |
779 | #define LIBGCC_SPEC REAL_LIBGCC_SPEC | |
57642751 | 780 | #elif defined(LINK_LIBGCC_SPECIAL_1) |
68d69835 | 781 | /* Have gcc do the search for libgcc.a. */ |
ba2b7435 | 782 | #define LIBGCC_SPEC "libgcc.a%s" |
68d69835 | 783 | #else |
ba2b7435 | 784 | #define LIBGCC_SPEC "-lgcc" |
68d69835 | 785 | #endif |
ed1f651b RS |
786 | #endif |
787 | ||
788 | /* config.h can define STARTFILE_SPEC to override the default crt0 files. */ | |
789 | #ifndef STARTFILE_SPEC | |
790 | #define STARTFILE_SPEC \ | |
adcb8d7d | 791 | "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}" |
ed1f651b RS |
792 | #endif |
793 | ||
ed1f651b RS |
794 | /* config.h can define ENDFILE_SPEC to override the default crtn files. */ |
795 | #ifndef ENDFILE_SPEC | |
796 | #define ENDFILE_SPEC "" | |
797 | #endif | |
798 | ||
10da1131 BM |
799 | #ifndef LINKER_NAME |
800 | #define LINKER_NAME "collect2" | |
801 | #endif | |
802 | ||
c8aea42c PB |
803 | #ifdef HAVE_AS_DEBUG_PREFIX_MAP |
804 | #define ASM_MAP " %{fdebug-prefix-map=*:--debug-prefix-map %*}" | |
805 | #else | |
806 | #define ASM_MAP "" | |
807 | #endif | |
808 | ||
29d7cbd1 RO |
809 | /* Assembler options for compressed debug sections. */ |
810 | #if HAVE_LD_COMPRESS_DEBUG < 2 | |
811 | /* Reject if the linker cannot write compressed debug sections. */ | |
812 | #define ASM_COMPRESS_DEBUG_SPEC \ | |
813 | " %{gz*:%e-gz is not supported in this configuration} " | |
814 | #else /* HAVE_LD_COMPRESS_DEBUG >= 2 */ | |
815 | #if HAVE_AS_COMPRESS_DEBUG == 0 | |
816 | /* No assembler support. Ignore silently. */ | |
817 | #define ASM_COMPRESS_DEBUG_SPEC \ | |
818 | " %{gz*:} " | |
819 | #elif HAVE_AS_COMPRESS_DEBUG == 1 | |
820 | /* GNU style, GNU as options. */ | |
821 | #define ASM_COMPRESS_DEBUG_SPEC \ | |
822 | " %{gz|gz=zlib-gnu:" AS_COMPRESS_DEBUG_OPTION "}" \ | |
823 | " %{gz=none:" AS_NO_COMPRESS_DEBUG_OPTION "}" \ | |
824 | " %{gz=zlib:%e-gz=zlib is not supported in this configuration} " | |
825 | #elif HAVE_AS_COMPRESS_DEBUG == 2 | |
826 | /* ELF gABI style. */ | |
827 | #define ASM_COMPRESS_DEBUG_SPEC \ | |
828 | " %{gz|gz=zlib:" AS_COMPRESS_DEBUG_OPTION "=zlib}" \ | |
829 | " %{gz=none:" AS_COMPRESS_DEBUG_OPTION "=none}" \ | |
830 | " %{gz=zlib-gnu:" AS_COMPRESS_DEBUG_OPTION "=zlib-gnu} " | |
831 | #else | |
832 | #error Unknown value for HAVE_AS_COMPRESS_DEBUG. | |
833 | #endif | |
834 | #endif /* HAVE_LD_COMPRESS_DEBUG >= 2 */ | |
835 | ||
5f0e9ea2 GK |
836 | /* Define ASM_DEBUG_SPEC to be a spec suitable for translating '-g' |
837 | to the assembler. */ | |
838 | #ifndef ASM_DEBUG_SPEC | |
b2ace8a4 JJ |
839 | # if defined(DBX_DEBUGGING_INFO) && defined(DWARF2_DEBUGGING_INFO) \ |
840 | && defined(HAVE_AS_GDWARF2_DEBUG_FLAG) && defined(HAVE_AS_GSTABS_DEBUG_FLAG) | |
c8aea42c PB |
841 | # define ASM_DEBUG_SPEC \ |
842 | (PREFERRED_DEBUGGING_TYPE == DBX_DEBUG \ | |
1c70261c JJ |
843 | ? "%{%:debug-level-gt(0):" \ |
844 | "%{gdwarf*:--gdwarf2}%{!gdwarf*:%{g*:--gstabs}}}" ASM_MAP \ | |
845 | : "%{%:debug-level-gt(0):" \ | |
846 | "%{gstabs*:--gstabs}%{!gstabs*:%{g*:--gdwarf2}}}" ASM_MAP) | |
b2ace8a4 JJ |
847 | # else |
848 | # if defined(DBX_DEBUGGING_INFO) && defined(HAVE_AS_GSTABS_DEBUG_FLAG) | |
1c70261c | 849 | # define ASM_DEBUG_SPEC "%{g*:%{%:debug-level-gt(0):--gstabs}}" ASM_MAP |
b2ace8a4 JJ |
850 | # endif |
851 | # if defined(DWARF2_DEBUGGING_INFO) && defined(HAVE_AS_GDWARF2_DEBUG_FLAG) | |
1c70261c | 852 | # define ASM_DEBUG_SPEC "%{g*:%{%:debug-level-gt(0):--gdwarf2}}" ASM_MAP |
5f0e9ea2 | 853 | # endif |
5f0e9ea2 GK |
854 | # endif |
855 | #endif | |
8a63621f JJ |
856 | #ifndef ASM_DEBUG_SPEC |
857 | # define ASM_DEBUG_SPEC "" | |
858 | #endif | |
5f0e9ea2 | 859 | |
ea414c97 ZW |
860 | /* Here is the spec for running the linker, after compiling all files. */ |
861 | ||
bbd7687d DM |
862 | /* This is overridable by the target in case they need to specify the |
863 | -lgcc and -lc order specially, yet not require them to override all | |
864 | of LINK_COMMAND_SPEC. */ | |
865 | #ifndef LINK_GCC_C_SEQUENCE_SPEC | |
866 | #define LINK_GCC_C_SEQUENCE_SPEC "%G %L %G" | |
867 | #endif | |
868 | ||
77008252 JJ |
869 | #ifndef LINK_SSP_SPEC |
870 | #ifdef TARGET_LIBC_PROVIDES_SSP | |
33eaef4b RO |
871 | #define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ |
872 | "|fstack-protector-strong|fstack-protector-explicit:}" | |
77008252 | 873 | #else |
33eaef4b RO |
874 | #define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ |
875 | "|fstack-protector-strong|fstack-protector-explicit" \ | |
876 | ":-lssp_nonshared -lssp}" | |
77008252 JJ |
877 | #endif |
878 | #endif | |
879 | ||
428b3812 L |
880 | #ifdef ENABLE_DEFAULT_PIE |
881 | #define NO_PIE_SPEC "no-pie|static" | |
882 | #define PIE_SPEC NO_PIE_SPEC "|r|shared:;" | |
883 | #define NO_FPIE1_SPEC "fno-pie" | |
884 | #define FPIE1_SPEC NO_FPIE1_SPEC ":;" | |
885 | #define NO_FPIE2_SPEC "fno-PIE" | |
886 | #define FPIE2_SPEC NO_FPIE2_SPEC ":;" | |
887 | #define NO_FPIE_SPEC NO_FPIE1_SPEC "|" NO_FPIE2_SPEC | |
888 | #define FPIE_SPEC NO_FPIE_SPEC ":;" | |
889 | #define NO_FPIC1_SPEC "fno-pic" | |
890 | #define FPIC1_SPEC NO_FPIC1_SPEC ":;" | |
891 | #define NO_FPIC2_SPEC "fno-PIC" | |
892 | #define FPIC2_SPEC NO_FPIC2_SPEC ":;" | |
893 | #define NO_FPIC_SPEC NO_FPIC1_SPEC "|" NO_FPIC2_SPEC | |
894 | #define FPIC_SPEC NO_FPIC_SPEC ":;" | |
895 | #define NO_FPIE1_AND_FPIC1_SPEC NO_FPIE1_SPEC "|" NO_FPIC1_SPEC | |
896 | #define FPIE1_OR_FPIC1_SPEC NO_FPIE1_AND_FPIC1_SPEC ":;" | |
897 | #define NO_FPIE2_AND_FPIC2_SPEC NO_FPIE2_SPEC "|" NO_FPIC2_SPEC | |
898 | #define FPIE2_OR_FPIC2_SPEC NO_FPIE2_AND_FPIC2_SPEC ":;" | |
899 | #define NO_FPIE_AND_FPIC_SPEC NO_FPIE_SPEC "|" NO_FPIC_SPEC | |
900 | #define FPIE_OR_FPIC_SPEC NO_FPIE_AND_FPIC_SPEC ":;" | |
901 | #else | |
902 | #define PIE_SPEC "pie" | |
903 | #define NO_PIE_SPEC PIE_SPEC "|r|shared:;" | |
904 | #define FPIE1_SPEC "fpie" | |
905 | #define NO_FPIE1_SPEC FPIE1_SPEC ":;" | |
906 | #define FPIE2_SPEC "fPIE" | |
907 | #define NO_FPIE2_SPEC FPIE2_SPEC ":;" | |
908 | #define FPIE_SPEC FPIE1_SPEC "|" FPIE2_SPEC | |
909 | #define NO_FPIE_SPEC FPIE_SPEC ":;" | |
910 | #define FPIC1_SPEC "fpic" | |
911 | #define NO_FPIC1_SPEC FPIC1_SPEC ":;" | |
912 | #define FPIC2_SPEC "fPIC" | |
913 | #define NO_FPIC2_SPEC FPIC2_SPEC ":;" | |
914 | #define FPIC_SPEC FPIC1_SPEC "|" FPIC2_SPEC | |
915 | #define NO_FPIC_SPEC FPIC_SPEC ":;" | |
916 | #define FPIE1_OR_FPIC1_SPEC FPIE1_SPEC "|" FPIC1_SPEC | |
917 | #define NO_FPIE1_AND_FPIC1_SPEC FPIE1_OR_FPIC1_SPEC ":;" | |
918 | #define FPIE2_OR_FPIC2_SPEC FPIE2_SPEC "|" FPIC2_SPEC | |
919 | #define NO_FPIE2_AND_FPIC2_SPEC FPIE1_OR_FPIC2_SPEC ":;" | |
920 | #define FPIE_OR_FPIC_SPEC FPIE_SPEC "|" FPIC_SPEC | |
921 | #define NO_FPIE_AND_FPIC_SPEC FPIE_OR_FPIC_SPEC ":;" | |
922 | #endif | |
923 | ||
24a4dd31 JJ |
924 | #ifndef LINK_PIE_SPEC |
925 | #ifdef HAVE_LD_PIE | |
df2a1cc4 | 926 | #ifndef LD_PIE_SPEC |
428b3812 | 927 | #define LD_PIE_SPEC "-pie" |
df2a1cc4 | 928 | #endif |
24a4dd31 | 929 | #else |
428b3812 | 930 | #define LD_PIE_SPEC "" |
24a4dd31 | 931 | #endif |
428b3812 | 932 | #define LINK_PIE_SPEC "%{no-pie:} " "%{" PIE_SPEC ":" LD_PIE_SPEC "} " |
24a4dd31 JJ |
933 | #endif |
934 | ||
cd533689 PP |
935 | #ifndef LINK_BUILDID_SPEC |
936 | # if defined(HAVE_LD_BUILDID) && defined(ENABLE_LD_BUILDID) | |
937 | # define LINK_BUILDID_SPEC "%{!r:--build-id} " | |
938 | # endif | |
939 | #endif | |
940 | ||
55b46574 | 941 | /* Conditional to test whether the LTO plugin is used or not. |
56e22cab JH |
942 | FIXME: For slim LTO we will need to enable plugin unconditionally. This |
943 | still cause problems with PLUGIN_LD != LD and when plugin is built but | |
944 | not useable. For GCC 4.6 we don't support slim LTO and thus we can enable | |
945 | plugin only when LTO is enabled. We still honor explicit | |
55b46574 RO |
946 | -fuse-linker-plugin if the linker used understands -plugin. */ |
947 | ||
948 | /* The linker has some plugin support. */ | |
949 | #if HAVE_LTO_PLUGIN > 0 | |
950 | /* The linker used has full plugin support, use LTO plugin by default. */ | |
951 | #if HAVE_LTO_PLUGIN == 2 | |
f3ba16d0 | 952 | #define PLUGIN_COND "!fno-use-linker-plugin:%{!fno-lto" |
56e22cab | 953 | #define PLUGIN_COND_CLOSE "}" |
96bdf9b4 | 954 | #else |
55b46574 RO |
955 | /* The linker used has limited plugin support, use LTO plugin with explicit |
956 | -fuse-linker-plugin. */ | |
96bdf9b4 | 957 | #define PLUGIN_COND "fuse-linker-plugin" |
56e22cab | 958 | #define PLUGIN_COND_CLOSE "" |
96bdf9b4 | 959 | #endif |
55b46574 | 960 | #define LINK_PLUGIN_SPEC \ |
16998094 | 961 | "%{" PLUGIN_COND": \ |
55b46574 RO |
962 | -plugin %(linker_plugin_file) \ |
963 | -plugin-opt=%(lto_wrapper) \ | |
964 | -plugin-opt=-fresolution=%u.res \ | |
965 | %{!nostdlib:%{!nodefaultlibs:%:pass-through-libs(%(link_gcc_c_sequence))}} \ | |
16998094 | 966 | }" PLUGIN_COND_CLOSE |
55b46574 RO |
967 | #else |
968 | /* The linker used doesn't support -plugin, reject -fuse-linker-plugin. */ | |
969 | #define LINK_PLUGIN_SPEC "%{fuse-linker-plugin:\ | |
970 | %e-fuse-linker-plugin is not supported in this configuration}" | |
971 | #endif | |
96bdf9b4 | 972 | |
a74db9bd JJ |
973 | /* Linker command line options for -fsanitize= early on the command line. */ |
974 | #ifndef SANITIZER_EARLY_SPEC | |
975 | #define SANITIZER_EARLY_SPEC "\ | |
de5a5fa1 | 976 | %{!nostdlib:%{!nodefaultlibs:%{%:sanitize(address):" LIBASAN_EARLY_SPEC "} \ |
d30c7670 JJ |
977 | %{%:sanitize(thread):" LIBTSAN_EARLY_SPEC "} \ |
978 | %{%:sanitize(leak):" LIBLSAN_EARLY_SPEC "}}}" | |
a74db9bd JJ |
979 | #endif |
980 | ||
981 | /* Linker command line options for -fsanitize= late on the command line. */ | |
982 | #ifndef SANITIZER_SPEC | |
983 | #define SANITIZER_SPEC "\ | |
de5a5fa1 | 984 | %{!nostdlib:%{!nodefaultlibs:%{%:sanitize(address):" LIBASAN_SPEC "\ |
fec4842d | 985 | %{static:%ecannot specify -static with -fsanitize=address}}\ |
de5a5fa1 | 986 | %{%:sanitize(thread):" LIBTSAN_SPEC "\ |
4bb0ca2d | 987 | %{static:%ecannot specify -static with -fsanitize=thread}}\ |
9065ada9 JJ |
988 | %{%:sanitize(undefined):" LIBUBSAN_SPEC "}\ |
989 | %{%:sanitize(leak):" LIBLSAN_SPEC "}}}" | |
a74db9bd | 990 | #endif |
cd533689 | 991 | |
d9386123 AP |
992 | #ifndef POST_LINK_SPEC |
993 | #define POST_LINK_SPEC "" | |
994 | #endif | |
995 | ||
2077db1b CT |
996 | /* This is the spec to use, once the code for creating the vtable |
997 | verification runtime library, libvtv.so, has been created. Currently | |
998 | the vtable verification runtime functions are in libstdc++, so we use | |
999 | the spec just below this one. */ | |
1000 | #ifndef VTABLE_VERIFICATION_SPEC | |
ad103b01 | 1001 | #if ENABLE_VTABLE_VERIFY |
2077db1b CT |
1002 | #define VTABLE_VERIFICATION_SPEC "\ |
1003 | %{!nostdlib:%{fvtable-verify=std: -lvtv -u_vtable_map_vars_start -u_vtable_map_vars_end}\ | |
1004 | %{fvtable-verify=preinit: -lvtv -u_vtable_map_vars_start -u_vtable_map_vars_end}}" | |
ad103b01 RO |
1005 | #else |
1006 | #define VTABLE_VERIFICATION_SPEC "\ | |
1007 | %{fvtable-verify=none:} \ | |
1008 | %{fvtable-verify=std: \ | |
1009 | %e-fvtable-verify=std is not supported in this configuration} \ | |
1010 | %{fvtable-verify=preinit: \ | |
1011 | %e-fvtable-verify=preinit is not supported in this configuration}" | |
1012 | #endif | |
2077db1b CT |
1013 | #endif |
1014 | ||
5373cd33 IE |
1015 | #ifndef CHKP_SPEC |
1016 | #define CHKP_SPEC "" | |
1017 | #endif | |
1018 | ||
ea414c97 ZW |
1019 | /* -u* was put back because both BSD and SysV seem to support it. */ |
1020 | /* %{static:} simply prevents an error message if the target machine | |
1021 | doesn't handle -static. */ | |
1022 | /* We want %{T*} after %{L*} and %D so that it can be used to specify linker | |
1023 | scripts which exist in user specified directories, or in standard | |
1024 | directories. */ | |
014d92e1 | 1025 | /* We pass any -flto flags on to the linker, which is expected |
d7f09764 | 1026 | to understand them. In practice, this means it had better be collect2. */ |
fa381cb2 | 1027 | /* %{e*} includes -export-dynamic; see comment in common.opt. */ |
ea414c97 ZW |
1028 | #ifndef LINK_COMMAND_SPEC |
1029 | #define LINK_COMMAND_SPEC "\ | |
1030 | %{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\ | |
55b46574 RO |
1031 | %(linker) " \ |
1032 | LINK_PLUGIN_SPEC \ | |
a74db9bd | 1033 | "%{flto|flto=*:%<fcompare-debug*} \ |
d8857ac6 | 1034 | %{flto} %{fno-lto} %{flto=*} %l " LINK_PIE_SPEC \ |
29d7cbd1 RO |
1035 | "%{fuse-ld=*:-fuse-ld=%*} " LINK_COMPRESS_DEBUG_SPEC \ |
1036 | "%X %{o*} %{e*} %{N} %{n} %{r}\ | |
e5ef217c RO |
1037 | %{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}} \ |
1038 | %{static:} %{L*} %(mfwrap) %(link_libgcc) " \ | |
1039 | VTABLE_VERIFICATION_SPEC " " SANITIZER_EARLY_SPEC " %o " CHKP_SPEC " \ | |
f3609a89 | 1040 | %{fopenacc|fopenmp|%:gt(%{ftree-parallelize-loops=*:%*} 1):\ |
cf7416c3 | 1041 | %:include(libgomp.spec)%(link_gomp)}\ |
b9487dd8 | 1042 | %{fcilkplus:%:include(libcilkrts.spec)%(link_cilkrts)}\ |
255a9a1b | 1043 | %{fgnu-tm:%:include(libitm.spec)%(link_itm)}\ |
7458026b | 1044 | %(mflib) " STACK_SPLIT_SPEC "\ |
a74db9bd | 1045 | %{fprofile-arcs|fprofile-generate*|coverage:-lgcov} " SANITIZER_SPEC " \ |
9714c911 | 1046 | %{!nostdlib:%{!nodefaultlibs:%(link_ssp) %(link_gcc_c_sequence)}}\ |
d9386123 | 1047 | %{!nostdlib:%{!nostartfiles:%E}} %{T*} \n%(post_link) }}}}}}" |
ea414c97 ZW |
1048 | #endif |
1049 | ||
1050 | #ifndef LINK_LIBGCC_SPEC | |
57642751 DJ |
1051 | /* Generate -L options for startfile prefix list. */ |
1052 | # define LINK_LIBGCC_SPEC "%D" | |
ea414c97 ZW |
1053 | #endif |
1054 | ||
343f59d9 AM |
1055 | #ifndef STARTFILE_PREFIX_SPEC |
1056 | # define STARTFILE_PREFIX_SPEC "" | |
1057 | #endif | |
1058 | ||
380e5ca4 MM |
1059 | #ifndef SYSROOT_SPEC |
1060 | # define SYSROOT_SPEC "--sysroot=%R" | |
1061 | #endif | |
1062 | ||
e7f13528 GP |
1063 | #ifndef SYSROOT_SUFFIX_SPEC |
1064 | # define SYSROOT_SUFFIX_SPEC "" | |
1065 | #endif | |
1066 | ||
1067 | #ifndef SYSROOT_HEADERS_SUFFIX_SPEC | |
1068 | # define SYSROOT_HEADERS_SUFFIX_SPEC "" | |
1069 | #endif | |
1070 | ||
b24513a1 | 1071 | static const char *asm_debug = ASM_DEBUG_SPEC; |
3b304f5b | 1072 | static const char *cpp_spec = CPP_SPEC; |
3b304f5b ZW |
1073 | static const char *cc1_spec = CC1_SPEC; |
1074 | static const char *cc1plus_spec = CC1PLUS_SPEC; | |
bbd7687d | 1075 | static const char *link_gcc_c_sequence_spec = LINK_GCC_C_SEQUENCE_SPEC; |
77008252 | 1076 | static const char *link_ssp_spec = LINK_SSP_SPEC; |
3b304f5b ZW |
1077 | static const char *asm_spec = ASM_SPEC; |
1078 | static const char *asm_final_spec = ASM_FINAL_SPEC; | |
1079 | static const char *link_spec = LINK_SPEC; | |
1080 | static const char *lib_spec = LIB_SPEC; | |
953ff289 | 1081 | static const char *link_gomp_spec = ""; |
3b304f5b ZW |
1082 | static const char *libgcc_spec = LIBGCC_SPEC; |
1083 | static const char *endfile_spec = ENDFILE_SPEC; | |
1084 | static const char *startfile_spec = STARTFILE_SPEC; | |
3b304f5b | 1085 | static const char *linker_name_spec = LINKER_NAME; |
d7f09764 DN |
1086 | static const char *linker_plugin_file_spec = ""; |
1087 | static const char *lto_wrapper_spec = ""; | |
1088 | static const char *lto_gcc_spec = ""; | |
d9386123 | 1089 | static const char *post_link_spec = POST_LINK_SPEC; |
ea414c97 ZW |
1090 | static const char *link_command_spec = LINK_COMMAND_SPEC; |
1091 | static const char *link_libgcc_spec = LINK_LIBGCC_SPEC; | |
343f59d9 | 1092 | static const char *startfile_prefix_spec = STARTFILE_PREFIX_SPEC; |
380e5ca4 | 1093 | static const char *sysroot_spec = SYSROOT_SPEC; |
e7f13528 GP |
1094 | static const char *sysroot_suffix_spec = SYSROOT_SUFFIX_SPEC; |
1095 | static const char *sysroot_hdrs_suffix_spec = SYSROOT_HEADERS_SUFFIX_SPEC; | |
84f405a1 | 1096 | static const char *self_spec = ""; |
ea414c97 ZW |
1097 | |
1098 | /* Standard options to cpp, cc1, and as, to reduce duplication in specs. | |
1099 | There should be no need to override these in target dependent files, | |
1100 | but we need to copy them to the specs file so that newer versions | |
1101 | of the GCC driver can correctly drive older tool chains with the | |
1102 | appropriate -B options. */ | |
1103 | ||
e5f5feea NB |
1104 | /* When cpplib handles traditional preprocessing, get rid of this, and |
1105 | call cc1 (or cc1obj in objc/lang-specs.h) from the main specs so | |
1106 | that we default the front end language better. */ | |
ea414c97 | 1107 | static const char *trad_capable_cpp = |
3028a95c | 1108 | "cc1 -E %{traditional|traditional-cpp:-traditional-cpp}"; |
ea414c97 | 1109 | |
4ca1256f NB |
1110 | /* We don't wrap .d files in %W{} since a missing .d file, and |
1111 | therefore no dependency entry, confuses make into thinking a .o | |
1112 | file that happens to exist is up-to-date. */ | |
ffdeea47 | 1113 | static const char *cpp_unique_options = |
9cc54940 | 1114 | "%{!Q:-quiet} %{nostdinc*} %{C} %{CC} %{v} %{I*&F*} %{P} %I\ |
c878765b JM |
1115 | %{MD:-MD %{!o:%b.d}%{o*:%.d%*}}\ |
1116 | %{MMD:-MMD %{!o:%b.d}%{o*:%.d%*}}\ | |
4ca1256f | 1117 | %{M} %{MM} %{MF*} %{MG} %{MP} %{MQ*} %{MT*}\ |
3dfe046f | 1118 | %{!E:%{!M:%{!MM:%{!MT:%{!MQ:%{MD|MMD:%{o*:-MQ %*}}}}}}}\ |
3a610de8 | 1119 | %{remap} %{g3|ggdb3|gstabs3|gcoff3|gxcoff3|gvms3:-dD}\ |
c1ce46a5 | 1120 | %{!iplugindir*:%{fplugin*:%:find-plugindir()}}\ |
3a610de8 | 1121 | %{H} %C %{D*&U*&A*} %{i*} %Z %i\ |
56cd5b95 | 1122 | %{E|M|MM:%W{o*}}"; |
ffdeea47 JJ |
1123 | |
1124 | /* This contains cpp options which are common with cc1_options and are passed | |
059ba716 CD |
1125 | only when preprocessing only to avoid duplication. We pass the cc1 spec |
1126 | options to the preprocessor so that it the cc1 spec may manipulate | |
1127 | options used to set target flags. Those special target flags settings may | |
1128 | in turn cause preprocessor symbols to be defined specially. */ | |
ffdeea47 | 1129 | static const char *cpp_options = |
740ca4b2 | 1130 | "%(cpp_unique_options) %1 %{m*} %{std*&ansi&trigraphs} %{W*&pedantic*} %{w}\ |
1c70261c JJ |
1131 | %{f*} %{g*:%{%:debug-level-gt(0):%{g*}\ |
1132 | %{!fno-working-directory:-fworking-directory}}} %{O*}\ | |
14fdc613 | 1133 | %{undef} %{save-temps*:-fpch-preprocess}"; |
ea414c97 | 1134 | |
8b968bd1 MW |
1135 | /* This contains cpp options which are not passed when the preprocessor |
1136 | output will be used by another program. */ | |
1137 | static const char *cpp_debug_options = "%{d*}"; | |
1138 | ||
708bceb7 | 1139 | /* NB: This is shared amongst all front-ends, except for Ada. */ |
ea414c97 ZW |
1140 | static const char *cc1_options = |
1141 | "%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\ | |
c1ce46a5 | 1142 | %{!iplugindir*:%{fplugin*:%:find-plugindir()}}\ |
1890bccc | 1143 | %1 %{!Q:-quiet} %{!dumpbase:-dumpbase %B} %{d*} %{m*} %{aux-info*}\ |
2153915d AO |
1144 | %{fcompare-debug-second:%:compare-debug-auxbase-opt(%b)} \ |
1145 | %{!fcompare-debug-second:%{c|S:%{o*:-auxbase-strip %*}%{!o*:-auxbase %b}}}%{!c:%{!S:-auxbase %b}} \ | |
740ca4b2 | 1146 | %{g*} %{O*} %{W*&pedantic*} %{w} %{std*&ansi&trigraphs}\ |
3df89291 | 1147 | %{v:-version} %{pg:-p} %{p} %{f*} %{undef}\ |
dd9f93dc | 1148 | %{Qn:-fno-ident} %{Qy:} %{-help:--help}\ |
e200444e JM |
1149 | %{-target-help:--target-help}\ |
1150 | %{-version:--version}\ | |
1151 | %{-help=*:--help=%*}\ | |
49009afd | 1152 | %{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}}\ |
6de9cd9a | 1153 | %{fsyntax-only:-o %j} %{-param*}\ |
2d5edbed ML |
1154 | %{coverage:-fprofile-arcs -ftest-coverage}\ |
1155 | %{fprofile-arcs|fprofile-generate*|coverage:\ | |
1156 | %{!fprofile-update=single:\ | |
4d209853 | 1157 | %{pthread:-fprofile-update=prefer-atomic}}}"; |
ea414c97 ZW |
1158 | |
1159 | static const char *asm_options = | |
a016dc83 | 1160 | "%{-target-help:%:print-asm-header()} " |
dc60b775 CD |
1161 | #if HAVE_GNU_AS |
1162 | /* If GNU AS is used, then convert -w (no warnings), -I, and -v | |
1163 | to the assembler equivalents. */ | |
1164 | "%{v} %{w:-W} %{I*} " | |
1165 | #endif | |
29d7cbd1 | 1166 | ASM_COMPRESS_DEBUG_SPEC |
dc60b775 | 1167 | "%a %Y %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}"; |
ffd86336 | 1168 | |
5a8e2650 | 1169 | static const char *invoke_as = |
4977bab6 | 1170 | #ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT |
f300e7b8 | 1171 | "%{!fwpa*:\ |
d7f09764 DN |
1172 | %{fcompare-debug=*|fdump-final-insns=*:%:compare-debug-dump-opt()}\ |
1173 | %{!S:-o %|.s |\n as %(asm_options) %|.s %A }\ | |
1174 | }"; | |
4977bab6 | 1175 | #else |
f300e7b8 | 1176 | "%{!fwpa*:\ |
d7f09764 DN |
1177 | %{fcompare-debug=*|fdump-final-insns=*:%:compare-debug-dump-opt()}\ |
1178 | %{!S:-o %|.s |\n as %(asm_options) %m.s %A }\ | |
1179 | }"; | |
4977bab6 | 1180 | #endif |
5a8e2650 | 1181 | |
ffd86336 | 1182 | /* Some compilers have limits on line lengths, and the multilib_select |
961b7009 MM |
1183 | and/or multilib_matches strings can be very long, so we build them at |
1184 | run time. */ | |
ffd86336 | 1185 | static struct obstack multilib_obstack; |
3b304f5b ZW |
1186 | static const char *multilib_select; |
1187 | static const char *multilib_matches; | |
1188 | static const char *multilib_defaults; | |
1189 | static const char *multilib_exclusions; | |
e7f49d92 | 1190 | static const char *multilib_reuse; |
961b7009 MM |
1191 | |
1192 | /* Check whether a particular argument is a default argument. */ | |
1193 | ||
1194 | #ifndef MULTILIB_DEFAULTS | |
1195 | #define MULTILIB_DEFAULTS { "" } | |
1196 | #endif | |
1197 | ||
d25a45d4 | 1198 | static const char *const multilib_defaults_raw[] = MULTILIB_DEFAULTS; |
ed1f651b | 1199 | |
db36994b RS |
1200 | #ifndef DRIVER_SELF_SPECS |
1201 | #define DRIVER_SELF_SPECS "" | |
1202 | #endif | |
1203 | ||
de14871c | 1204 | /* Linking to libgomp implies pthreads. This is particularly important |
953ff289 DN |
1205 | for targets that use different start files and suchlike. */ |
1206 | #ifndef GOMP_SELF_SPECS | |
cf7416c3 | 1207 | #define GOMP_SELF_SPECS \ |
f3609a89 | 1208 | "%{fopenacc|fopenmp|%:gt(%{ftree-parallelize-loops=*:%*} 1): " \ |
41dbbb37 | 1209 | "-pthread}" |
953ff289 DN |
1210 | #endif |
1211 | ||
255a9a1b EB |
1212 | /* Likewise for -fgnu-tm. */ |
1213 | #ifndef GTM_SELF_SPECS | |
1214 | #define GTM_SELF_SPECS "%{fgnu-tm: -pthread}" | |
1215 | #endif | |
1216 | ||
b9487dd8 TB |
1217 | /* Likewise for -fcilkplus. */ |
1218 | #ifndef CILK_SELF_SPECS | |
1219 | #define CILK_SELF_SPECS "%{fcilkplus: -pthread}" | |
1220 | #endif | |
1221 | ||
953ff289 | 1222 | static const char *const driver_self_specs[] = { |
b5b8b0ac | 1223 | "%{fdump-final-insns:-fdump-final-insns=.} %<fdump-final-insns", |
b9487dd8 TB |
1224 | DRIVER_SELF_SPECS, CONFIGURE_SPECS, GOMP_SELF_SPECS, GTM_SELF_SPECS, |
1225 | CILK_SELF_SPECS | |
953ff289 | 1226 | }; |
db36994b | 1227 | |
7816bea0 DJ |
1228 | #ifndef OPTION_DEFAULT_SPECS |
1229 | #define OPTION_DEFAULT_SPECS { "", "" } | |
1230 | #endif | |
1231 | ||
1232 | struct default_spec | |
1233 | { | |
1234 | const char *name; | |
1235 | const char *spec; | |
1236 | }; | |
1237 | ||
1238 | static const struct default_spec | |
1239 | option_default_specs[] = { OPTION_DEFAULT_SPECS }; | |
1240 | ||
3ac63d94 NC |
1241 | struct user_specs |
1242 | { | |
d9ac3a07 | 1243 | struct user_specs *next; |
878f32c3 | 1244 | const char *filename; |
d9ac3a07 MM |
1245 | }; |
1246 | ||
1247 | static struct user_specs *user_specs_head, *user_specs_tail; | |
1248 | ||
ed1f651b RS |
1249 | \f |
1250 | /* Record the mapping from file suffixes for compilation specs. */ | |
1251 | ||
1252 | struct compiler | |
1253 | { | |
878f32c3 | 1254 | const char *suffix; /* Use this compiler for input files |
ed1f651b | 1255 | whose names end in this suffix. */ |
ec32609a | 1256 | |
ea414c97 | 1257 | const char *spec; /* To use this compiler, run this spec. */ |
a9374841 MM |
1258 | |
1259 | const char *cpp_spec; /* If non-NULL, substitute this spec | |
1260 | for `%C', rather than the usual | |
1261 | cpp_spec. */ | |
c3684b7b | 1262 | int combinable; /* If nonzero, compiler can deal with |
0855eab7 | 1263 | multiple source files at once (IMA). */ |
c3684b7b | 1264 | int needs_preprocessing; /* If nonzero, source files need to |
0855eab7 | 1265 | be run through a preprocessor. */ |
ed1f651b RS |
1266 | }; |
1267 | ||
1268 | /* Pointer to a vector of `struct compiler' that gives the spec for | |
1269 | compiling a file, based on its suffix. | |
1270 | A file that does not end in any of these suffixes will be passed | |
1271 | unchanged to the loader and nothing else will be done to it. | |
1272 | ||
1273 | An entry containing two 0s is used to terminate the vector. | |
1274 | ||
1275 | If multiple entries match a file, the last matching one is used. */ | |
1276 | ||
1277 | static struct compiler *compilers; | |
1278 | ||
1279 | /* Number of entries in `compilers', not counting the null terminator. */ | |
1280 | ||
1281 | static int n_compilers; | |
1282 | ||
1283 | /* The default list of file name suffixes and their compilation specs. */ | |
1284 | ||
5e65297b | 1285 | static const struct compiler default_compilers[] = |
ed1f651b | 1286 | { |
4689ad58 | 1287 | /* Add lists of suffixes of known languages here. If those languages |
e9a25f70 JL |
1288 | were not present when we built the driver, we will hit these copies |
1289 | and be given a more meaningful error than "file not used since | |
4689ad58 | 1290 | linking is not done". */ |
0855eab7 | 1291 | {".m", "#Objective-C", 0, 0, 0}, {".mi", "#Objective-C", 0, 0, 0}, |
ad8c162b ZL |
1292 | {".mm", "#Objective-C++", 0, 0, 0}, {".M", "#Objective-C++", 0, 0, 0}, |
1293 | {".mii", "#Objective-C++", 0, 0, 0}, | |
7904f95f EC |
1294 | {".cc", "#C++", 0, 0, 0}, {".cxx", "#C++", 0, 0, 0}, |
1295 | {".cpp", "#C++", 0, 0, 0}, {".cp", "#C++", 0, 0, 0}, | |
0855eab7 CT |
1296 | {".c++", "#C++", 0, 0, 0}, {".C", "#C++", 0, 0, 0}, |
1297 | {".CPP", "#C++", 0, 0, 0}, {".ii", "#C++", 0, 0, 0}, | |
1298 | {".ads", "#Ada", 0, 0, 0}, {".adb", "#Ada", 0, 0, 0}, | |
3135ce84 FXC |
1299 | {".f", "#Fortran", 0, 0, 0}, {".F", "#Fortran", 0, 0, 0}, |
1300 | {".for", "#Fortran", 0, 0, 0}, {".FOR", "#Fortran", 0, 0, 0}, | |
1301 | {".ftn", "#Fortran", 0, 0, 0}, {".FTN", "#Fortran", 0, 0, 0}, | |
1302 | {".fpp", "#Fortran", 0, 0, 0}, {".FPP", "#Fortran", 0, 0, 0}, | |
1303 | {".f90", "#Fortran", 0, 0, 0}, {".F90", "#Fortran", 0, 0, 0}, | |
1304 | {".f95", "#Fortran", 0, 0, 0}, {".F95", "#Fortran", 0, 0, 0}, | |
1305 | {".f03", "#Fortran", 0, 0, 0}, {".F03", "#Fortran", 0, 0, 0}, | |
1306 | {".f08", "#Fortran", 0, 0, 0}, {".F08", "#Fortran", 0, 0, 0}, | |
0855eab7 CT |
1307 | {".r", "#Ratfor", 0, 0, 0}, |
1308 | {".p", "#Pascal", 0, 0, 0}, {".pas", "#Pascal", 0, 0, 0}, | |
1309 | {".java", "#Java", 0, 0, 0}, {".class", "#Java", 0, 0, 0}, | |
1310 | {".zip", "#Java", 0, 0, 0}, {".jar", "#Java", 0, 0, 0}, | |
7a938933 | 1311 | {".go", "#Go", 0, 1, 0}, |
4689ad58 | 1312 | /* Next come the entries for C. */ |
c3224d6f | 1313 | {".c", "@c", 0, 0, 1}, |
ed1f651b | 1314 | {"@c", |
5a8e2650 | 1315 | /* cc1 has an integrated ISO C preprocessor. We should invoke the |
f458d1d5 | 1316 | external preprocessor if -save-temps is given. */ |
f749a36b | 1317 | "%{E|M|MM:%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)}\ |
5a8e2650 | 1318 | %{!E:%{!M:%{!MM:\ |
3028a95c | 1319 | %{traditional:\ |
f458d1d5 | 1320 | %eGNU C no longer supports -traditional without -E}\ |
c3224d6f RG |
1321 | %{save-temps*|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \ |
1322 | %(cpp_options) -o %{save-temps*:%b.i} %{!save-temps*:%g.i} \n\ | |
1323 | cc1 -fpreprocessed %{save-temps*:%b.i} %{!save-temps*:%g.i} \ | |
1324 | %(cc1_options)}\ | |
1325 | %{!save-temps*:%{!traditional-cpp:%{!no-integrated-cpp:\ | |
1326 | cc1 %(cpp_unique_options) %(cc1_options)}}}\ | |
1327 | %{!fsyntax-only:%(invoke_as)}}}}", 0, 0, 1}, | |
ed1f651b | 1328 | {"-", |
6ba40dd7 | 1329 | "%{!E:%e-E or -x required when input is from standard input}\ |
0855eab7 CT |
1330 | %(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)", 0, 0, 0}, |
1331 | {".h", "@c-header", 0, 0, 0}, | |
ed1f651b | 1332 | {"@c-header", |
17211ab5 GK |
1333 | /* cc1 has an integrated ISO C preprocessor. We should invoke the |
1334 | external preprocessor if -save-temps is given. */ | |
1335 | "%{E|M|MM:%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)}\ | |
1336 | %{!E:%{!M:%{!MM:\ | |
14fdc613 MM |
1337 | %{save-temps*|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \ |
1338 | %(cpp_options) -o %{save-temps*:%b.i} %{!save-temps*:%g.i} \n\ | |
1339 | cc1 -fpreprocessed %{save-temps*:%b.i} %{!save-temps*:%g.i} \ | |
0de12fcc | 1340 | %(cc1_options)\ |
6b5b4e9c | 1341 | %{!fsyntax-only:%{!S:-o %g.s} \ |
6935a923 PMR |
1342 | %{!fdump-ada-spec*:%{!o*:--output-pch=%i.gch}\ |
1343 | %W{o*:--output-pch=%*}}%V}}\ | |
14fdc613 | 1344 | %{!save-temps*:%{!traditional-cpp:%{!no-integrated-cpp:\ |
17211ab5 | 1345 | cc1 %(cpp_unique_options) %(cc1_options)\ |
79335075 | 1346 | %{!fsyntax-only:%{!S:-o %g.s} \ |
6935a923 PMR |
1347 | %{!fdump-ada-spec*:%{!o*:--output-pch=%i.gch}\ |
1348 | %W{o*:--output-pch=%*}}%V}}}}}}}", 0, 0, 0}, | |
c3224d6f | 1349 | {".i", "@cpp-output", 0, 0, 0}, |
ed1f651b | 1350 | {"@cpp-output", |
ca3da783 | 1351 | "%{!M:%{!MM:%{!E:cc1 -fpreprocessed %i %(cc1_options) %{!fsyntax-only:%(invoke_as)}}}}", 0, 0, 0}, |
a0d43bac | 1352 | {".s", "@assembler", 0, 0, 0}, |
ed1f651b | 1353 | {"@assembler", |
a0d43bac JZ |
1354 | "%{!M:%{!MM:%{!E:%{!S:as %(asm_debug) %(asm_options) %i %A }}}}", 0, 0, 0}, |
1355 | {".sx", "@assembler-with-cpp", 0, 0, 0}, | |
1356 | {".S", "@assembler-with-cpp", 0, 0, 0}, | |
ed1f651b | 1357 | {"@assembler-with-cpp", |
4977bab6 | 1358 | #ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT |
2710d6d7 | 1359 | "%(trad_capable_cpp) -lang-asm %(cpp_options) -fno-directives-only\ |
8b968bd1 | 1360 | %{E|M|MM:%(cpp_debug_options)}\ |
4977bab6 ZW |
1361 | %{!M:%{!MM:%{!E:%{!S:-o %|.s |\n\ |
1362 | as %(asm_debug) %(asm_options) %|.s %A }}}}" | |
1363 | #else | |
2710d6d7 | 1364 | "%(trad_capable_cpp) -lang-asm %(cpp_options) -fno-directives-only\ |
4977bab6 ZW |
1365 | %{E|M|MM:%(cpp_debug_options)}\ |
1366 | %{!M:%{!MM:%{!E:%{!S:-o %|.s |\n\ | |
1367 | as %(asm_debug) %(asm_options) %m.s %A }}}}" | |
1368 | #endif | |
a0d43bac | 1369 | , 0, 0, 0}, |
1d088dee | 1370 | |
1346ae41 | 1371 | #include "specs.h" |
f9da5064 | 1372 | /* Mark end of table. */ |
0855eab7 | 1373 | {0, 0, 0, 0, 0} |
ed1f651b RS |
1374 | }; |
1375 | ||
1376 | /* Number of elements in default_compilers, not counting the terminator. */ | |
1377 | ||
ca7558fc | 1378 | static const int n_default_compilers = ARRAY_SIZE (default_compilers) - 1; |
ed1f651b | 1379 | |
69d540bd | 1380 | typedef char *char_p; /* For DEF_VEC_P. */ |
69d540bd | 1381 | |
ed1f651b | 1382 | /* A vector of options to give to the linker. |
368dfd3a | 1383 | These options are accumulated by %x, |
ed1f651b | 1384 | and substituted into the linker command with %X. */ |
9771b263 | 1385 | static vec<char_p> linker_options; |
c9ebacb8 RS |
1386 | |
1387 | /* A vector of options to give to the assembler. | |
1388 | These options are accumulated by -Wa, | |
57cb9b60 | 1389 | and substituted into the assembler command with %Y. */ |
9771b263 | 1390 | static vec<char_p> assembler_options; |
57cb9b60 JW |
1391 | |
1392 | /* A vector of options to give to the preprocessor. | |
1393 | These options are accumulated by -Wp, | |
1394 | and substituted into the preprocessor command with %Z. */ | |
9771b263 | 1395 | static vec<char_p> preprocessor_options; |
ed1f651b | 1396 | \f |
ed1f651b | 1397 | static char * |
1d088dee | 1398 | skip_whitespace (char *p) |
ed1f651b RS |
1399 | { |
1400 | while (1) | |
1401 | { | |
1402 | /* A fully-blank line is a delimiter in the SPEC file and shouldn't | |
1403 | be considered whitespace. */ | |
1404 | if (p[0] == '\n' && p[1] == '\n' && p[2] == '\n') | |
1405 | return p + 1; | |
1406 | else if (*p == '\n' || *p == ' ' || *p == '\t') | |
1407 | p++; | |
1408 | else if (*p == '#') | |
1409 | { | |
d25a45d4 KH |
1410 | while (*p != '\n') |
1411 | p++; | |
ed1f651b RS |
1412 | p++; |
1413 | } | |
1414 | else | |
1415 | break; | |
1416 | } | |
1417 | ||
1418 | return p; | |
1419 | } | |
2296d164 RK |
1420 | /* Structures to keep track of prefixes to try when looking for files. */ |
1421 | ||
1422 | struct prefix_list | |
1423 | { | |
8060c8ee | 1424 | const char *prefix; /* String to prepend to the path. */ |
2296d164 RK |
1425 | struct prefix_list *next; /* Next in linked list. */ |
1426 | int require_machine_suffix; /* Don't use without machine_suffix. */ | |
1427 | /* 2 means try both machine_suffix and just_machine_suffix. */ | |
5bbcd587 JJ |
1428 | int priority; /* Sort key - priority within list. */ |
1429 | int os_multilib; /* 1 if OS multilib scheme should be used, | |
1430 | 0 for GCC multilib scheme. */ | |
2296d164 RK |
1431 | }; |
1432 | ||
1433 | struct path_prefix | |
1434 | { | |
1435 | struct prefix_list *plist; /* List of prefixes to try */ | |
1436 | int max_len; /* Max length of a prefix in PLIST */ | |
1437 | const char *name; /* Name of this list (used in config stuff) */ | |
1438 | }; | |
1439 | ||
1440 | /* List of prefixes to try when looking for executables. */ | |
1441 | ||
1442 | static struct path_prefix exec_prefixes = { 0, 0, "exec" }; | |
1443 | ||
1444 | /* List of prefixes to try when looking for startup (crt0) files. */ | |
1445 | ||
1446 | static struct path_prefix startfile_prefixes = { 0, 0, "startfile" }; | |
1447 | ||
1448 | /* List of prefixes to try when looking for include files. */ | |
1449 | ||
1450 | static struct path_prefix include_prefixes = { 0, 0, "include" }; | |
1451 | ||
1452 | /* Suffix to attach to directories searched for commands. | |
1453 | This looks like `MACHINE/VERSION/'. */ | |
1454 | ||
1455 | static const char *machine_suffix = 0; | |
1456 | ||
1457 | /* Suffix to attach to directories searched for commands. | |
1458 | This is just `MACHINE/'. */ | |
1459 | ||
1460 | static const char *just_machine_suffix = 0; | |
1461 | ||
1462 | /* Adjusted value of GCC_EXEC_PREFIX envvar. */ | |
1463 | ||
1464 | static const char *gcc_exec_prefix; | |
1465 | ||
a8ee6e2d GK |
1466 | /* Adjusted value of standard_libexec_prefix. */ |
1467 | ||
1468 | static const char *gcc_libexec_prefix; | |
1469 | ||
2296d164 RK |
1470 | /* Default prefixes to attach to command names. */ |
1471 | ||
656c7a3a AL |
1472 | #ifndef STANDARD_STARTFILE_PREFIX_1 |
1473 | #define STANDARD_STARTFILE_PREFIX_1 "/lib/" | |
1474 | #endif | |
1475 | #ifndef STANDARD_STARTFILE_PREFIX_2 | |
1476 | #define STANDARD_STARTFILE_PREFIX_2 "/usr/lib/" | |
1477 | #endif | |
7904f95f | 1478 | |
2989d30c | 1479 | #ifdef CROSS_DIRECTORY_STRUCTURE /* Don't use these prefixes for a cross compiler. */ |
2296d164 RK |
1480 | #undef MD_EXEC_PREFIX |
1481 | #undef MD_STARTFILE_PREFIX | |
1482 | #undef MD_STARTFILE_PREFIX_1 | |
1483 | #endif | |
1484 | ||
1485 | /* If no prefixes defined, use the null string, which will disable them. */ | |
1486 | #ifndef MD_EXEC_PREFIX | |
1487 | #define MD_EXEC_PREFIX "" | |
1488 | #endif | |
1489 | #ifndef MD_STARTFILE_PREFIX | |
1490 | #define MD_STARTFILE_PREFIX "" | |
1491 | #endif | |
1492 | #ifndef MD_STARTFILE_PREFIX_1 | |
1493 | #define MD_STARTFILE_PREFIX_1 "" | |
1494 | #endif | |
1495 | ||
f4c0a303 CD |
1496 | /* These directories are locations set at configure-time based on the |
1497 | --prefix option provided to configure. Their initializers are | |
1498 | defined in Makefile.in. These paths are not *directly* used when | |
1499 | gcc_exec_prefix is set because, in that case, we know where the | |
1500 | compiler has been installed, and use paths relative to that | |
1501 | location instead. */ | |
27c38fbe | 1502 | static const char *const standard_exec_prefix = STANDARD_EXEC_PREFIX; |
f4c0a303 CD |
1503 | static const char *const standard_libexec_prefix = STANDARD_LIBEXEC_PREFIX; |
1504 | static const char *const standard_bindir_prefix = STANDARD_BINDIR_PREFIX; | |
1505 | static const char *const standard_startfile_prefix = STANDARD_STARTFILE_PREFIX; | |
1506 | ||
1507 | /* For native compilers, these are well-known paths containing | |
1508 | components that may be provided by the system. For cross | |
1509 | compilers, these paths are not used. */ | |
2296d164 | 1510 | static const char *md_exec_prefix = MD_EXEC_PREFIX; |
2296d164 RK |
1511 | static const char *md_startfile_prefix = MD_STARTFILE_PREFIX; |
1512 | static const char *md_startfile_prefix_1 = MD_STARTFILE_PREFIX_1; | |
c662432e | 1513 | static const char *const standard_startfile_prefix_1 |
656c7a3a AL |
1514 | = STANDARD_STARTFILE_PREFIX_1; |
1515 | static const char *const standard_startfile_prefix_2 | |
1516 | = STANDARD_STARTFILE_PREFIX_2; | |
2296d164 | 1517 | |
f4c0a303 CD |
1518 | /* A relative path to be used in finding the location of tools |
1519 | relative to the driver. */ | |
27c38fbe | 1520 | static const char *const tooldir_base_prefix = TOOLDIR_BASE_PREFIX; |
a8ee6e2d | 1521 | |
fc8b3540 IV |
1522 | /* A prefix to be used when this is an accelerator compiler. */ |
1523 | static const char *const accel_dir_suffix = ACCEL_DIR_SUFFIX; | |
1524 | ||
2296d164 RK |
1525 | /* Subdirectory to use for locating libraries. Set by |
1526 | set_multilib_dir based on the compilation options. */ | |
1527 | ||
1528 | static const char *multilib_dir; | |
5bbcd587 JJ |
1529 | |
1530 | /* Subdirectory to use for locating libraries in OS conventions. Set by | |
1531 | set_multilib_dir based on the compilation options. */ | |
1532 | ||
1533 | static const char *multilib_os_dir; | |
e0cdc09f MK |
1534 | |
1535 | /* Subdirectory to use for locating libraries in multiarch conventions. Set by | |
1536 | set_multilib_dir based on the compilation options. */ | |
1537 | ||
1538 | static const char *multiarch_dir; | |
ed1f651b | 1539 | \f |
0f41302f | 1540 | /* Structure to keep track of the specs that have been defined so far. |
3ce9f090 JM |
1541 | These are accessed using %(specname) in a compiler or link |
1542 | spec. */ | |
ed1f651b RS |
1543 | |
1544 | struct spec_list | |
1545 | { | |
79aff5ac MM |
1546 | /* The following 2 fields must be first */ |
1547 | /* to allow EXTRA_SPECS to be initialized */ | |
3b304f5b ZW |
1548 | const char *name; /* name of the spec. */ |
1549 | const char *ptr; /* available ptr if no static pointer */ | |
79aff5ac MM |
1550 | |
1551 | /* The following fields are not initialized */ | |
1552 | /* by EXTRA_SPECS */ | |
3b304f5b | 1553 | const char **ptr_spec; /* pointer to the spec itself. */ |
79aff5ac MM |
1554 | struct spec_list *next; /* Next spec in linked list. */ |
1555 | int name_len; /* length of the name */ | |
d168aaee CB |
1556 | bool user_p; /* whether string come from file spec. */ |
1557 | bool alloc_p; /* whether string was allocated */ | |
9376dd63 | 1558 | const char *default_ptr; /* The default value of *ptr_spec. */ |
ed1f651b RS |
1559 | }; |
1560 | ||
79aff5ac | 1561 | #define INIT_STATIC_SPEC(NAME,PTR) \ |
9376dd63 DM |
1562 | { NAME, NULL, PTR, (struct spec_list *) 0, sizeof (NAME) - 1, false, false, \ |
1563 | *PTR } | |
79aff5ac | 1564 | |
3ac63d94 NC |
1565 | /* List of statically defined specs. */ |
1566 | static struct spec_list static_specs[] = | |
1567 | { | |
79aff5ac | 1568 | INIT_STATIC_SPEC ("asm", &asm_spec), |
5f0e9ea2 | 1569 | INIT_STATIC_SPEC ("asm_debug", &asm_debug), |
79aff5ac | 1570 | INIT_STATIC_SPEC ("asm_final", &asm_final_spec), |
ea414c97 | 1571 | INIT_STATIC_SPEC ("asm_options", &asm_options), |
5a8e2650 | 1572 | INIT_STATIC_SPEC ("invoke_as", &invoke_as), |
79aff5ac | 1573 | INIT_STATIC_SPEC ("cpp", &cpp_spec), |
ea414c97 | 1574 | INIT_STATIC_SPEC ("cpp_options", &cpp_options), |
8b968bd1 | 1575 | INIT_STATIC_SPEC ("cpp_debug_options", &cpp_debug_options), |
ffdeea47 | 1576 | INIT_STATIC_SPEC ("cpp_unique_options", &cpp_unique_options), |
ea414c97 | 1577 | INIT_STATIC_SPEC ("trad_capable_cpp", &trad_capable_cpp), |
79aff5ac | 1578 | INIT_STATIC_SPEC ("cc1", &cc1_spec), |
ea414c97 | 1579 | INIT_STATIC_SPEC ("cc1_options", &cc1_options), |
79aff5ac | 1580 | INIT_STATIC_SPEC ("cc1plus", &cc1plus_spec), |
bbd7687d | 1581 | INIT_STATIC_SPEC ("link_gcc_c_sequence", &link_gcc_c_sequence_spec), |
77008252 | 1582 | INIT_STATIC_SPEC ("link_ssp", &link_ssp_spec), |
79aff5ac MM |
1583 | INIT_STATIC_SPEC ("endfile", &endfile_spec), |
1584 | INIT_STATIC_SPEC ("link", &link_spec), | |
1585 | INIT_STATIC_SPEC ("lib", &lib_spec), | |
953ff289 | 1586 | INIT_STATIC_SPEC ("link_gomp", &link_gomp_spec), |
79aff5ac MM |
1587 | INIT_STATIC_SPEC ("libgcc", &libgcc_spec), |
1588 | INIT_STATIC_SPEC ("startfile", &startfile_spec), | |
79aff5ac MM |
1589 | INIT_STATIC_SPEC ("cross_compile", &cross_compile), |
1590 | INIT_STATIC_SPEC ("version", &compiler_version), | |
1591 | INIT_STATIC_SPEC ("multilib", &multilib_select), | |
1592 | INIT_STATIC_SPEC ("multilib_defaults", &multilib_defaults), | |
1593 | INIT_STATIC_SPEC ("multilib_extra", &multilib_extra), | |
1594 | INIT_STATIC_SPEC ("multilib_matches", &multilib_matches), | |
0a8d6618 | 1595 | INIT_STATIC_SPEC ("multilib_exclusions", &multilib_exclusions), |
5bbcd587 | 1596 | INIT_STATIC_SPEC ("multilib_options", &multilib_options), |
e7f49d92 | 1597 | INIT_STATIC_SPEC ("multilib_reuse", &multilib_reuse), |
10da1131 | 1598 | INIT_STATIC_SPEC ("linker", &linker_name_spec), |
d7f09764 DN |
1599 | INIT_STATIC_SPEC ("linker_plugin_file", &linker_plugin_file_spec), |
1600 | INIT_STATIC_SPEC ("lto_wrapper", <o_wrapper_spec), | |
1601 | INIT_STATIC_SPEC ("lto_gcc", <o_gcc_spec), | |
d9386123 | 1602 | INIT_STATIC_SPEC ("post_link", &post_link_spec), |
ea414c97 | 1603 | INIT_STATIC_SPEC ("link_libgcc", &link_libgcc_spec), |
2296d164 RK |
1604 | INIT_STATIC_SPEC ("md_exec_prefix", &md_exec_prefix), |
1605 | INIT_STATIC_SPEC ("md_startfile_prefix", &md_startfile_prefix), | |
1606 | INIT_STATIC_SPEC ("md_startfile_prefix_1", &md_startfile_prefix_1), | |
343f59d9 | 1607 | INIT_STATIC_SPEC ("startfile_prefix_spec", &startfile_prefix_spec), |
380e5ca4 | 1608 | INIT_STATIC_SPEC ("sysroot_spec", &sysroot_spec), |
e7f13528 GP |
1609 | INIT_STATIC_SPEC ("sysroot_suffix_spec", &sysroot_suffix_spec), |
1610 | INIT_STATIC_SPEC ("sysroot_hdrs_suffix_spec", &sysroot_hdrs_suffix_spec), | |
84f405a1 | 1611 | INIT_STATIC_SPEC ("self_spec", &self_spec), |
79aff5ac MM |
1612 | }; |
1613 | ||
1614 | #ifdef EXTRA_SPECS /* additional specs needed */ | |
829245be | 1615 | /* Structure to keep track of just the first two args of a spec_list. |
3ac63d94 | 1616 | That is all that the EXTRA_SPECS macro gives us. */ |
829245be KG |
1617 | struct spec_list_1 |
1618 | { | |
8b60264b KG |
1619 | const char *const name; |
1620 | const char *const ptr; | |
829245be KG |
1621 | }; |
1622 | ||
8b60264b | 1623 | static const struct spec_list_1 extra_specs_1[] = { EXTRA_SPECS }; |
d25a45d4 | 1624 | static struct spec_list *extra_specs = (struct spec_list *) 0; |
79aff5ac MM |
1625 | #endif |
1626 | ||
1627 | /* List of dynamically allocates specs that have been defined so far. */ | |
1628 | ||
9218435e | 1629 | static struct spec_list *specs = (struct spec_list *) 0; |
79aff5ac | 1630 | \f |
f3226a90 JT |
1631 | /* List of static spec functions. */ |
1632 | ||
1633 | static const struct spec_function static_spec_functions[] = | |
1634 | { | |
30d8946b | 1635 | { "getenv", getenv_spec_function }, |
f3226a90 | 1636 | { "if-exists", if_exists_spec_function }, |
152a5a9c | 1637 | { "if-exists-else", if_exists_else_spec_function }, |
de5a5fa1 | 1638 | { "sanitize", sanitize_spec_function }, |
3dd53121 | 1639 | { "replace-outfile", replace_outfile_spec_function }, |
2642f659 | 1640 | { "remove-outfile", remove_outfile_spec_function }, |
ed5b9f96 | 1641 | { "version-compare", version_compare_spec_function }, |
953ff289 | 1642 | { "include", include_spec_function }, |
4adbd5dd | 1643 | { "find-file", find_file_spec_function }, |
c1ce46a5 | 1644 | { "find-plugindir", find_plugindir_spec_function }, |
a0f87454 | 1645 | { "print-asm-header", print_asm_header_spec_function }, |
2153915d AO |
1646 | { "compare-debug-dump-opt", compare_debug_dump_opt_spec_function }, |
1647 | { "compare-debug-self-opt", compare_debug_self_opt_spec_function }, | |
1648 | { "compare-debug-auxbase-opt", compare_debug_auxbase_opt_spec_function }, | |
9a37bc07 | 1649 | { "pass-through-libs", pass_through_libs_spec_func }, |
99ea153e | 1650 | { "replace-extension", replace_extension_spec_func }, |
cf7416c3 | 1651 | { "gt", greater_than_spec_func }, |
1c70261c | 1652 | { "debug-level-gt", debug_level_greater_than_spec_func }, |
fa959ce4 MM |
1653 | #ifdef EXTRA_SPEC_FUNCTIONS |
1654 | EXTRA_SPEC_FUNCTIONS | |
1655 | #endif | |
f3226a90 JT |
1656 | { 0, 0 } |
1657 | }; | |
1658 | ||
1659 | static int processing_spec_function; | |
1660 | \f | |
049f6ec9 MM |
1661 | /* Add appropriate libgcc specs to OBSTACK, taking into account |
1662 | various permutations of -shared-libgcc, -shared, and such. */ | |
1663 | ||
328163dc | 1664 | #if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC) |
8efcd34f AM |
1665 | |
1666 | #ifndef USE_LD_AS_NEEDED | |
1667 | #define USE_LD_AS_NEEDED 0 | |
1668 | #endif | |
1669 | ||
049f6ec9 | 1670 | static void |
1d088dee AJ |
1671 | init_gcc_specs (struct obstack *obstack, const char *shared_name, |
1672 | const char *static_name, const char *eh_name) | |
049f6ec9 | 1673 | { |
5c181756 AO |
1674 | char *buf; |
1675 | ||
5e4f1974 AM |
1676 | buf = concat ("%{static|static-libgcc:", static_name, " ", eh_name, "}" |
1677 | "%{!static:%{!static-libgcc:" | |
8efcd34f | 1678 | #if USE_LD_AS_NEEDED |
5e4f1974 | 1679 | "%{!shared-libgcc:", |
e927b6ad RO |
1680 | static_name, " " LD_AS_NEEDED_OPTION " ", |
1681 | shared_name, " " LD_NO_AS_NEEDED_OPTION | |
5e4f1974 AM |
1682 | "}" |
1683 | "%{shared-libgcc:", | |
1684 | shared_name, "%{!shared: ", static_name, "}" | |
1685 | "}" | |
765f1bf9 | 1686 | #else |
5e4f1974 AM |
1687 | "%{!shared:" |
1688 | "%{!shared-libgcc:", static_name, " ", eh_name, "}" | |
1689 | "%{shared-libgcc:", shared_name, " ", static_name, "}" | |
1690 | "}" | |
275b60d6 | 1691 | #ifdef LINK_EH_SPEC |
5e4f1974 AM |
1692 | "%{shared:" |
1693 | "%{shared-libgcc:", shared_name, "}" | |
1694 | "%{!shared-libgcc:", static_name, "}" | |
1695 | "}" | |
275b60d6 | 1696 | #else |
5e4f1974 | 1697 | "%{shared:", shared_name, "}" |
765f1bf9 | 1698 | #endif |
275b60d6 | 1699 | #endif |
5e4f1974 | 1700 | "}}", NULL); |
5c181756 AO |
1701 | |
1702 | obstack_grow (obstack, buf, strlen (buf)); | |
1703 | free (buf); | |
049f6ec9 | 1704 | } |
6894579f | 1705 | #endif /* ENABLE_SHARED_LIBGCC */ |
049f6ec9 | 1706 | |
79aff5ac MM |
1707 | /* Initialize the specs lookup routines. */ |
1708 | ||
1709 | static void | |
7e51717c | 1710 | init_spec (void) |
79aff5ac | 1711 | { |
9218435e KH |
1712 | struct spec_list *next = (struct spec_list *) 0; |
1713 | struct spec_list *sl = (struct spec_list *) 0; | |
79aff5ac MM |
1714 | int i; |
1715 | ||
1716 | if (specs) | |
3ac63d94 | 1717 | return; /* Already initialized. */ |
79aff5ac | 1718 | |
20df0482 | 1719 | if (verbose_flag) |
2dec80c7 | 1720 | fnotice (stderr, "Using built-in specs.\n"); |
20df0482 | 1721 | |
79aff5ac | 1722 | #ifdef EXTRA_SPECS |
e1e4cdc4 | 1723 | extra_specs = XCNEWVEC (struct spec_list, ARRAY_SIZE (extra_specs_1)); |
9218435e | 1724 | |
b6a1cbae | 1725 | for (i = ARRAY_SIZE (extra_specs_1) - 1; i >= 0; i--) |
03fc1620 JW |
1726 | { |
1727 | sl = &extra_specs[i]; | |
829245be KG |
1728 | sl->name = extra_specs_1[i].name; |
1729 | sl->ptr = extra_specs_1[i].ptr; | |
03fc1620 JW |
1730 | sl->next = next; |
1731 | sl->name_len = strlen (sl->name); | |
1732 | sl->ptr_spec = &sl->ptr; | |
9376dd63 DM |
1733 | gcc_assert (sl->ptr_spec != NULL); |
1734 | sl->default_ptr = sl->ptr; | |
03fc1620 JW |
1735 | next = sl; |
1736 | } | |
79aff5ac MM |
1737 | #endif |
1738 | ||
b6a1cbae | 1739 | for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--) |
79aff5ac MM |
1740 | { |
1741 | sl = &static_specs[i]; | |
1742 | sl->next = next; | |
1743 | next = sl; | |
1744 | } | |
1745 | ||
328163dc | 1746 | #if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC) |
9db0819e RH |
1747 | /* ??? If neither -shared-libgcc nor --static-libgcc was |
1748 | seen, then we should be making an educated guess. Some proposed | |
1749 | heuristics for ELF include: | |
1750 | ||
1751 | (1) If "-Wl,--export-dynamic", then it's a fair bet that the | |
1752 | program will be doing dynamic loading, which will likely | |
1753 | need the shared libgcc. | |
1754 | ||
1755 | (2) If "-ldl", then it's also a fair bet that we're doing | |
1756 | dynamic loading. | |
1757 | ||
1758 | (3) For each ET_DYN we're linking against (either through -lfoo | |
1759 | or /some/path/foo.so), check to see whether it or one of | |
ff7cc307 | 1760 | its dependencies depends on a shared libgcc. |
9db0819e RH |
1761 | |
1762 | (4) If "-shared" | |
1763 | ||
1764 | If the runtime is fixed to look for program headers instead | |
1765 | of calling __register_frame_info at all, for each object, | |
1766 | use the shared libgcc if any EH symbol referenced. | |
1767 | ||
1768 | If crtstuff is fixed to not invoke __register_frame_info | |
1769 | automatically, for each object, use the shared libgcc if | |
1770 | any non-empty unwind section found. | |
1771 | ||
1772 | Doing any of this probably requires invoking an external program to | |
1773 | do the actual object file scanning. */ | |
1774 | { | |
1775 | const char *p = libgcc_spec; | |
1776 | int in_sep = 1; | |
589005ff | 1777 | |
16757495 | 1778 | /* Transform the extant libgcc_spec into one that uses the shared libgcc |
9db0819e RH |
1779 | when given the proper command line arguments. */ |
1780 | while (*p) | |
1781 | { | |
589005ff | 1782 | if (in_sep && *p == '-' && strncmp (p, "-lgcc", 5) == 0) |
9db0819e | 1783 | { |
049f6ec9 | 1784 | init_gcc_specs (&obstack, |
049f6ec9 | 1785 | "-lgcc_s" |
443728bb L |
1786 | #ifdef USE_LIBUNWIND_EXCEPTIONS |
1787 | " -lunwind" | |
4977bab6 | 1788 | #endif |
348d71c7 JW |
1789 | , |
1790 | "-lgcc", | |
1791 | "-lgcc_eh" | |
4977bab6 | 1792 | #ifdef USE_LIBUNWIND_EXCEPTIONS |
7e9d8517 | 1793 | # ifdef HAVE_LD_STATIC_DYNAMIC |
c6092243 RO |
1794 | " %{!static:" LD_STATIC_OPTION "} -lunwind" |
1795 | " %{!static:" LD_DYNAMIC_OPTION "}" | |
7e9d8517 | 1796 | # else |
4977bab6 | 1797 | " -lunwind" |
7e9d8517 | 1798 | # endif |
9db0819e | 1799 | #endif |
348d71c7 JW |
1800 | ); |
1801 | ||
ba2b7435 | 1802 | p += 5; |
9db0819e RH |
1803 | in_sep = 0; |
1804 | } | |
ba2b7435 | 1805 | else if (in_sep && *p == 'l' && strncmp (p, "libgcc.a%s", 10) == 0) |
9db0819e RH |
1806 | { |
1807 | /* Ug. We don't know shared library extensions. Hope that | |
1808 | systems that use this form don't do shared libraries. */ | |
049f6ec9 | 1809 | init_gcc_specs (&obstack, |
4e8d0554 | 1810 | "-lgcc_s", |
275b60d6 | 1811 | "libgcc.a%s", |
aedec8dd JW |
1812 | "libgcc_eh.a%s" |
1813 | #ifdef USE_LIBUNWIND_EXCEPTIONS | |
1814 | " -lunwind" | |
1815 | #endif | |
1816 | ); | |
ba2b7435 | 1817 | p += 10; |
9db0819e RH |
1818 | in_sep = 0; |
1819 | } | |
1820 | else | |
1821 | { | |
1822 | obstack_1grow (&obstack, *p); | |
1823 | in_sep = (*p == ' '); | |
1824 | p += 1; | |
1825 | } | |
1826 | } | |
1827 | ||
1828 | obstack_1grow (&obstack, '\0'); | |
7973fd2a | 1829 | libgcc_spec = XOBFINISH (&obstack, const char *); |
9db0819e RH |
1830 | } |
1831 | #endif | |
c64688ae RH |
1832 | #ifdef USE_AS_TRADITIONAL_FORMAT |
1833 | /* Prepend "--traditional-format" to whatever asm_spec we had before. */ | |
1834 | { | |
8b60264b | 1835 | static const char tf[] = "--traditional-format "; |
c3284718 | 1836 | obstack_grow (&obstack, tf, sizeof (tf) - 1); |
c64688ae | 1837 | obstack_grow0 (&obstack, asm_spec, strlen (asm_spec)); |
7973fd2a | 1838 | asm_spec = XOBFINISH (&obstack, const char *); |
c64688ae RH |
1839 | } |
1840 | #endif | |
cd533689 | 1841 | |
79bec923 ST |
1842 | #if defined LINK_EH_SPEC || defined LINK_BUILDID_SPEC || \ |
1843 | defined LINKER_HASH_STYLE | |
cd533689 PP |
1844 | # ifdef LINK_BUILDID_SPEC |
1845 | /* Prepend LINK_BUILDID_SPEC to whatever link_spec we had before. */ | |
c3284718 | 1846 | obstack_grow (&obstack, LINK_BUILDID_SPEC, sizeof (LINK_BUILDID_SPEC) - 1); |
cd533689 PP |
1847 | # endif |
1848 | # ifdef LINK_EH_SPEC | |
275b60d6 | 1849 | /* Prepend LINK_EH_SPEC to whatever link_spec we had before. */ |
c3284718 | 1850 | obstack_grow (&obstack, LINK_EH_SPEC, sizeof (LINK_EH_SPEC) - 1); |
79bec923 ST |
1851 | # endif |
1852 | # ifdef LINKER_HASH_STYLE | |
1853 | /* Prepend --hash-style=LINKER_HASH_STYLE to whatever link_spec we had | |
1854 | before. */ | |
1855 | { | |
1856 | static const char hash_style[] = "--hash-style="; | |
c3284718 RS |
1857 | obstack_grow (&obstack, hash_style, sizeof (hash_style) - 1); |
1858 | obstack_grow (&obstack, LINKER_HASH_STYLE, sizeof (LINKER_HASH_STYLE) - 1); | |
79bec923 ST |
1859 | obstack_1grow (&obstack, ' '); |
1860 | } | |
cd533689 | 1861 | # endif |
275b60d6 | 1862 | obstack_grow0 (&obstack, link_spec, strlen (link_spec)); |
7973fd2a | 1863 | link_spec = XOBFINISH (&obstack, const char *); |
275b60d6 | 1864 | #endif |
9db0819e | 1865 | |
79aff5ac MM |
1866 | specs = sl; |
1867 | } | |
ed1f651b RS |
1868 | \f |
1869 | /* Change the value of spec NAME to SPEC. If SPEC is empty, then the spec is | |
1870 | removed; If the spec starts with a + then SPEC is added to the end of the | |
0f41302f | 1871 | current spec. */ |
ed1f651b RS |
1872 | |
1873 | static void | |
d168aaee | 1874 | set_spec (const char *name, const char *spec, bool user_p) |
ed1f651b RS |
1875 | { |
1876 | struct spec_list *sl; | |
3b304f5b | 1877 | const char *old_spec; |
79aff5ac MM |
1878 | int name_len = strlen (name); |
1879 | int i; | |
1880 | ||
3ac63d94 | 1881 | /* If this is the first call, initialize the statically allocated specs. */ |
20df0482 MM |
1882 | if (!specs) |
1883 | { | |
9218435e | 1884 | struct spec_list *next = (struct spec_list *) 0; |
b6a1cbae | 1885 | for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--) |
20df0482 MM |
1886 | { |
1887 | sl = &static_specs[i]; | |
1888 | sl->next = next; | |
1889 | next = sl; | |
1890 | } | |
1891 | specs = sl; | |
1892 | } | |
1893 | ||
3ac63d94 | 1894 | /* See if the spec already exists. */ |
ed1f651b | 1895 | for (sl = specs; sl; sl = sl->next) |
79aff5ac | 1896 | if (name_len == sl->name_len && !strcmp (sl->name, name)) |
ed1f651b RS |
1897 | break; |
1898 | ||
1899 | if (!sl) | |
1900 | { | |
3ac63d94 | 1901 | /* Not found - make it. */ |
5ed6ace5 | 1902 | sl = XNEW (struct spec_list); |
ad85216e | 1903 | sl->name = xstrdup (name); |
79aff5ac MM |
1904 | sl->name_len = name_len; |
1905 | sl->ptr_spec = &sl->ptr; | |
1906 | sl->alloc_p = 0; | |
1907 | *(sl->ptr_spec) = ""; | |
ed1f651b | 1908 | sl->next = specs; |
9376dd63 | 1909 | sl->default_ptr = NULL; |
ed1f651b RS |
1910 | specs = sl; |
1911 | } | |
1912 | ||
79aff5ac | 1913 | old_spec = *(sl->ptr_spec); |
e51712db | 1914 | *(sl->ptr_spec) = ((spec[0] == '+' && ISSPACE ((unsigned char)spec[1])) |
d4f2852f | 1915 | ? concat (old_spec, spec + 1, NULL) |
ad85216e | 1916 | : xstrdup (spec)); |
841faeed | 1917 | |
20df0482 MM |
1918 | #ifdef DEBUG_SPECS |
1919 | if (verbose_flag) | |
2dec80c7 | 1920 | fnotice (stderr, "Setting spec %s to '%s'\n\n", name, *(sl->ptr_spec)); |
20df0482 MM |
1921 | #endif |
1922 | ||
3ac63d94 | 1923 | /* Free the old spec. */ |
79aff5ac | 1924 | if (old_spec && sl->alloc_p) |
c3284718 | 1925 | free (CONST_CAST (char *, old_spec)); |
79aff5ac | 1926 | |
d168aaee CB |
1927 | sl->user_p = user_p; |
1928 | sl->alloc_p = true; | |
ed1f651b RS |
1929 | } |
1930 | \f | |
1931 | /* Accumulate a command (program name and args), and run it. */ | |
1932 | ||
5b634ee0 | 1933 | typedef const char *const_char_p; /* For DEF_VEC_P. */ |
ed1f651b | 1934 | |
5b634ee0 | 1935 | /* Vector of pointers to arguments in the current line of specifications. */ |
ed1f651b | 1936 | |
9771b263 | 1937 | static vec<const_char_p> argbuf; |
ed1f651b | 1938 | |
1b5bc8e9 | 1939 | /* Were the options -c, -S or -E passed. */ |
af41c57d AP |
1940 | static int have_c = 0; |
1941 | ||
1942 | /* Was the option -o passed. */ | |
1943 | static int have_o = 0; | |
1944 | ||
7e8400e2 ML |
1945 | /* Was the option -E passed. */ |
1946 | static int have_E = 0; | |
1947 | ||
3d00119c AB |
1948 | /* Pointer to output file name passed in with -o. */ |
1949 | static const char *output_file = 0; | |
1950 | ||
49009afd JL |
1951 | /* This is the list of suffixes and codes (%g/%u/%U/%j) and the associated |
1952 | temp file. If the HOST_BIT_BUCKET is used for %j, no entry is made for | |
1953 | it here. */ | |
fb266030 TW |
1954 | |
1955 | static struct temp_name { | |
878f32c3 | 1956 | const char *suffix; /* suffix associated with the code. */ |
fb266030 TW |
1957 | int length; /* strlen (suffix). */ |
1958 | int unique; /* Indicates whether %g or %u/%U was used. */ | |
878f32c3 | 1959 | const char *filename; /* associated filename. */ |
fb266030 TW |
1960 | int filename_length; /* strlen (filename). */ |
1961 | struct temp_name *next; | |
1962 | } *temp_names; | |
39d45901 | 1963 | |
ed1f651b RS |
1964 | /* Number of commands executed so far. */ |
1965 | ||
1966 | static int execution_count; | |
1967 | ||
3b9b4d3f RS |
1968 | /* Number of commands that exited with a signal. */ |
1969 | ||
1970 | static int signal_count; | |
ed1f651b | 1971 | \f |
f3226a90 JT |
1972 | /* Allocate the argument vector. */ |
1973 | ||
1974 | static void | |
7e51717c | 1975 | alloc_args (void) |
f3226a90 | 1976 | { |
9771b263 | 1977 | argbuf.create (10); |
f3226a90 JT |
1978 | } |
1979 | ||
ed1f651b RS |
1980 | /* Clear out the vector of arguments (after a command is executed). */ |
1981 | ||
1982 | static void | |
1d088dee | 1983 | clear_args (void) |
ed1f651b | 1984 | { |
9771b263 | 1985 | argbuf.truncate (0); |
ed1f651b RS |
1986 | } |
1987 | ||
1988 | /* Add one argument to the vector at the end. | |
1989 | This is done when a space is seen or at the end of the line. | |
1990 | If DELETE_ALWAYS is nonzero, the arg is a filename | |
1991 | and the file should be deleted eventually. | |
1992 | If DELETE_FAILURE is nonzero, the arg is a filename | |
1993 | and the file should be deleted if this compilation fails. */ | |
1994 | ||
1995 | static void | |
1d088dee | 1996 | store_arg (const char *arg, int delete_always, int delete_failure) |
ed1f651b | 1997 | { |
9771b263 | 1998 | argbuf.safe_push (arg); |
ed1f651b RS |
1999 | |
2000 | if (delete_always || delete_failure) | |
d6205185 RG |
2001 | { |
2002 | const char *p; | |
2003 | /* If the temporary file we should delete is specified as | |
2004 | part of a joined argument extract the filename. */ | |
2005 | if (arg[0] == '-' | |
2006 | && (p = strrchr (arg, '='))) | |
2007 | arg = p + 1; | |
2008 | record_temp_file (arg, delete_always, delete_failure); | |
2009 | } | |
ed1f651b RS |
2010 | } |
2011 | \f | |
ff7cc307 | 2012 | /* Load specs from a file name named FILENAME, replacing occurrences of |
9218435e | 2013 | various different types of line-endings, \r\n, \n\r and just \r, with |
b633b6c0 | 2014 | a single \n. */ |
20df0482 | 2015 | |
d25a45d4 | 2016 | static char * |
1d088dee | 2017 | load_specs (const char *filename) |
20df0482 MM |
2018 | { |
2019 | int desc; | |
2020 | int readlen; | |
2021 | struct stat statbuf; | |
2022 | char *buffer; | |
b633b6c0 MK |
2023 | char *buffer_p; |
2024 | char *specs; | |
2025 | char *specs_p; | |
20df0482 MM |
2026 | |
2027 | if (verbose_flag) | |
2dec80c7 | 2028 | fnotice (stderr, "Reading specs from %s\n", filename); |
20df0482 MM |
2029 | |
2030 | /* Open and stat the file. */ | |
2031 | desc = open (filename, O_RDONLY, 0); | |
2032 | if (desc < 0) | |
2033 | pfatal_with_name (filename); | |
2034 | if (stat (filename, &statbuf) < 0) | |
2035 | pfatal_with_name (filename); | |
2036 | ||
2037 | /* Read contents of file into BUFFER. */ | |
5ed6ace5 | 2038 | buffer = XNEWVEC (char, statbuf.st_size + 1); |
20df0482 MM |
2039 | readlen = read (desc, buffer, (unsigned) statbuf.st_size); |
2040 | if (readlen < 0) | |
2041 | pfatal_with_name (filename); | |
2042 | buffer[readlen] = 0; | |
2043 | close (desc); | |
2044 | ||
5ed6ace5 | 2045 | specs = XNEWVEC (char, readlen + 1); |
b633b6c0 MK |
2046 | specs_p = specs; |
2047 | for (buffer_p = buffer; buffer_p && *buffer_p; buffer_p++) | |
2048 | { | |
2049 | int skip = 0; | |
2050 | char c = *buffer_p; | |
2051 | if (c == '\r') | |
d25a45d4 KH |
2052 | { |
2053 | if (buffer_p > buffer && *(buffer_p - 1) == '\n') /* \n\r */ | |
b633b6c0 | 2054 | skip = 1; |
d25a45d4 | 2055 | else if (*(buffer_p + 1) == '\n') /* \r\n */ |
b633b6c0 MK |
2056 | skip = 1; |
2057 | else /* \r */ | |
2058 | c = '\n'; | |
2059 | } | |
2060 | if (! skip) | |
2061 | *specs_p++ = c; | |
2062 | } | |
2063 | *specs_p = '\0'; | |
2064 | ||
2065 | free (buffer); | |
2066 | return (specs); | |
2067 | } | |
2068 | ||
2069 | /* Read compilation specs from a file named FILENAME, | |
2070 | replacing the default ones. | |
2071 | ||
2072 | A suffix which starts with `*' is a definition for | |
2073 | one of the machine-specific sub-specs. The "suffix" should be | |
0fef3fd0 | 2074 | *asm, *cc1, *cpp, *link, *startfile, etc. |
b633b6c0 MK |
2075 | The corresponding spec is stored in asm_spec, etc., |
2076 | rather than in the `compilers' vector. | |
2077 | ||
2078 | Anything invalid in the file is a fatal error. */ | |
2079 | ||
2080 | static void | |
d168aaee | 2081 | read_specs (const char *filename, bool main_p, bool user_p) |
b633b6c0 MK |
2082 | { |
2083 | char *buffer; | |
b3694847 | 2084 | char *p; |
b633b6c0 MK |
2085 | |
2086 | buffer = load_specs (filename); | |
2087 | ||
20df0482 MM |
2088 | /* Scan BUFFER for specs, putting them in the vector. */ |
2089 | p = buffer; | |
2090 | while (1) | |
2091 | { | |
2092 | char *suffix; | |
2093 | char *spec; | |
2094 | char *in, *out, *p1, *p2, *p3; | |
2095 | ||
2096 | /* Advance P in BUFFER to the next nonblank nocomment line. */ | |
2097 | p = skip_whitespace (p); | |
2098 | if (*p == 0) | |
2099 | break; | |
2100 | ||
2101 | /* Is this a special command that starts with '%'? */ | |
2102 | /* Don't allow this for the main specs file, since it would | |
2103 | encourage people to overwrite it. */ | |
2104 | if (*p == '%' && !main_p) | |
2105 | { | |
2106 | p1 = p; | |
e9a25f70 JL |
2107 | while (*p && *p != '\n') |
2108 | p++; | |
2109 | ||
d25a45d4 KH |
2110 | /* Skip '\n'. */ |
2111 | p++; | |
20df0482 | 2112 | |
d25a45d4 | 2113 | if (!strncmp (p1, "%include", sizeof ("%include") - 1) |
e9a25f70 JL |
2114 | && (p1[sizeof "%include" - 1] == ' ' |
2115 | || p1[sizeof "%include" - 1] == '\t')) | |
20df0482 MM |
2116 | { |
2117 | char *new_filename; | |
2118 | ||
2119 | p1 += sizeof ("%include"); | |
e9a25f70 JL |
2120 | while (*p1 == ' ' || *p1 == '\t') |
2121 | p1++; | |
20df0482 MM |
2122 | |
2123 | if (*p1++ != '<' || p[-2] != '>') | |
40fecdd6 JM |
2124 | fatal_error (input_location, |
2125 | "specs %%include syntax malformed after " | |
2dec80c7 JM |
2126 | "%ld characters", |
2127 | (long) (p1 - buffer + 1)); | |
20df0482 MM |
2128 | |
2129 | p[-2] = '\0'; | |
00dcee0c | 2130 | new_filename = find_a_file (&startfile_prefixes, p1, R_OK, true); |
d168aaee | 2131 | read_specs (new_filename ? new_filename : p1, false, user_p); |
20df0482 MM |
2132 | continue; |
2133 | } | |
e9a25f70 JL |
2134 | else if (!strncmp (p1, "%include_noerr", sizeof "%include_noerr" - 1) |
2135 | && (p1[sizeof "%include_noerr" - 1] == ' ' | |
2136 | || p1[sizeof "%include_noerr" - 1] == '\t')) | |
20df0482 MM |
2137 | { |
2138 | char *new_filename; | |
2139 | ||
e9a25f70 | 2140 | p1 += sizeof "%include_noerr"; |
d25a45d4 KH |
2141 | while (*p1 == ' ' || *p1 == '\t') |
2142 | p1++; | |
20df0482 MM |
2143 | |
2144 | if (*p1++ != '<' || p[-2] != '>') | |
40fecdd6 JM |
2145 | fatal_error (input_location, |
2146 | "specs %%include syntax malformed after " | |
2dec80c7 JM |
2147 | "%ld characters", |
2148 | (long) (p1 - buffer + 1)); | |
20df0482 MM |
2149 | |
2150 | p[-2] = '\0'; | |
00dcee0c | 2151 | new_filename = find_a_file (&startfile_prefixes, p1, R_OK, true); |
20df0482 | 2152 | if (new_filename) |
d168aaee | 2153 | read_specs (new_filename, false, user_p); |
20df0482 | 2154 | else if (verbose_flag) |
2dec80c7 | 2155 | fnotice (stderr, "could not find specs file %s\n", p1); |
20df0482 MM |
2156 | continue; |
2157 | } | |
e9a25f70 JL |
2158 | else if (!strncmp (p1, "%rename", sizeof "%rename" - 1) |
2159 | && (p1[sizeof "%rename" - 1] == ' ' | |
2160 | || p1[sizeof "%rename" - 1] == '\t')) | |
20df0482 MM |
2161 | { |
2162 | int name_len; | |
2163 | struct spec_list *sl; | |
169ce44d | 2164 | struct spec_list *newsl; |
20df0482 | 2165 | |
169ce44d | 2166 | /* Get original name. */ |
e9a25f70 JL |
2167 | p1 += sizeof "%rename"; |
2168 | while (*p1 == ' ' || *p1 == '\t') | |
2169 | p1++; | |
2170 | ||
9218435e | 2171 | if (! ISALPHA ((unsigned char) *p1)) |
40fecdd6 JM |
2172 | fatal_error (input_location, |
2173 | "specs %%rename syntax malformed after " | |
2dec80c7 JM |
2174 | "%ld characters", |
2175 | (long) (p1 - buffer)); | |
20df0482 MM |
2176 | |
2177 | p2 = p1; | |
9218435e | 2178 | while (*p2 && !ISSPACE ((unsigned char) *p2)) |
e9a25f70 JL |
2179 | p2++; |
2180 | ||
20df0482 | 2181 | if (*p2 != ' ' && *p2 != '\t') |
40fecdd6 JM |
2182 | fatal_error (input_location, |
2183 | "specs %%rename syntax malformed after " | |
2dec80c7 JM |
2184 | "%ld characters", |
2185 | (long) (p2 - buffer)); | |
20df0482 MM |
2186 | |
2187 | name_len = p2 - p1; | |
2188 | *p2++ = '\0'; | |
e9a25f70 JL |
2189 | while (*p2 == ' ' || *p2 == '\t') |
2190 | p2++; | |
2191 | ||
9218435e | 2192 | if (! ISALPHA ((unsigned char) *p2)) |
40fecdd6 JM |
2193 | fatal_error (input_location, |
2194 | "specs %%rename syntax malformed after " | |
2dec80c7 JM |
2195 | "%ld characters", |
2196 | (long) (p2 - buffer)); | |
20df0482 | 2197 | |
d25a45d4 | 2198 | /* Get new spec name. */ |
20df0482 | 2199 | p3 = p2; |
9218435e | 2200 | while (*p3 && !ISSPACE ((unsigned char) *p3)) |
e9a25f70 JL |
2201 | p3++; |
2202 | ||
d25a45d4 | 2203 | if (p3 != p - 1) |
40fecdd6 JM |
2204 | fatal_error (input_location, |
2205 | "specs %%rename syntax malformed after " | |
2dec80c7 JM |
2206 | "%ld characters", |
2207 | (long) (p3 - buffer)); | |
20df0482 MM |
2208 | *p3 = '\0'; |
2209 | ||
2210 | for (sl = specs; sl; sl = sl->next) | |
2211 | if (name_len == sl->name_len && !strcmp (sl->name, p1)) | |
2212 | break; | |
2213 | ||
2214 | if (!sl) | |
40fecdd6 JM |
2215 | fatal_error (input_location, |
2216 | "specs %s spec was not found to be renamed", p1); | |
20df0482 | 2217 | |
e9a25f70 | 2218 | if (strcmp (p1, p2) == 0) |
20df0482 MM |
2219 | continue; |
2220 | ||
169ce44d NC |
2221 | for (newsl = specs; newsl; newsl = newsl->next) |
2222 | if (strcmp (newsl->name, p2) == 0) | |
40fecdd6 JM |
2223 | fatal_error (input_location, |
2224 | "%s: attempt to rename spec %qs to " | |
bdc6b402 | 2225 | "already defined spec %qs", |
169ce44d NC |
2226 | filename, p1, p2); |
2227 | ||
20df0482 MM |
2228 | if (verbose_flag) |
2229 | { | |
2dec80c7 | 2230 | fnotice (stderr, "rename spec %s to %s\n", p1, p2); |
20df0482 | 2231 | #ifdef DEBUG_SPECS |
2dec80c7 | 2232 | fnotice (stderr, "spec is '%s'\n\n", *(sl->ptr_spec)); |
20df0482 MM |
2233 | #endif |
2234 | } | |
2235 | ||
d168aaee | 2236 | set_spec (p2, *(sl->ptr_spec), user_p); |
20df0482 | 2237 | if (sl->alloc_p) |
b1d5455a | 2238 | free (CONST_CAST (char *, *(sl->ptr_spec))); |
20df0482 MM |
2239 | |
2240 | *(sl->ptr_spec) = ""; | |
2241 | sl->alloc_p = 0; | |
2242 | continue; | |
2243 | } | |
2244 | else | |
40fecdd6 JM |
2245 | fatal_error (input_location, |
2246 | "specs unknown %% command after %ld characters", | |
2dec80c7 | 2247 | (long) (p1 - buffer)); |
20df0482 MM |
2248 | } |
2249 | ||
2250 | /* Find the colon that should end the suffix. */ | |
2251 | p1 = p; | |
e9a25f70 JL |
2252 | while (*p1 && *p1 != ':' && *p1 != '\n') |
2253 | p1++; | |
2254 | ||
20df0482 MM |
2255 | /* The colon shouldn't be missing. */ |
2256 | if (*p1 != ':') | |
40fecdd6 JM |
2257 | fatal_error (input_location, |
2258 | "specs file malformed after %ld characters", | |
2dec80c7 | 2259 | (long) (p1 - buffer)); |
e9a25f70 | 2260 | |
20df0482 MM |
2261 | /* Skip back over trailing whitespace. */ |
2262 | p2 = p1; | |
e9a25f70 JL |
2263 | while (p2 > buffer && (p2[-1] == ' ' || p2[-1] == '\t')) |
2264 | p2--; | |
2265 | ||
20df0482 MM |
2266 | /* Copy the suffix to a string. */ |
2267 | suffix = save_string (p, p2 - p); | |
2268 | /* Find the next line. */ | |
2269 | p = skip_whitespace (p1 + 1); | |
2270 | if (p[1] == 0) | |
40fecdd6 JM |
2271 | fatal_error (input_location, |
2272 | "specs file malformed after %ld characters", | |
2dec80c7 | 2273 | (long) (p - buffer)); |
e9a25f70 | 2274 | |
20df0482 | 2275 | p1 = p; |
bbeb7b65 JW |
2276 | /* Find next blank line or end of string. */ |
2277 | while (*p1 && !(*p1 == '\n' && (p1[1] == '\n' || p1[1] == '\0'))) | |
e9a25f70 JL |
2278 | p1++; |
2279 | ||
20df0482 MM |
2280 | /* Specs end at the blank line and do not include the newline. */ |
2281 | spec = save_string (p, p1 - p); | |
2282 | p = p1; | |
2283 | ||
2284 | /* Delete backslash-newline sequences from the spec. */ | |
2285 | in = spec; | |
2286 | out = spec; | |
2287 | while (*in != 0) | |
2288 | { | |
2289 | if (in[0] == '\\' && in[1] == '\n') | |
2290 | in += 2; | |
2291 | else if (in[0] == '#') | |
e9a25f70 JL |
2292 | while (*in && *in != '\n') |
2293 | in++; | |
2294 | ||
20df0482 MM |
2295 | else |
2296 | *out++ = *in++; | |
2297 | } | |
2298 | *out = 0; | |
2299 | ||
2300 | if (suffix[0] == '*') | |
2301 | { | |
2302 | if (! strcmp (suffix, "*link_command")) | |
2303 | link_command_spec = spec; | |
2304 | else | |
9376dd63 DM |
2305 | { |
2306 | set_spec (suffix + 1, spec, user_p); | |
2307 | free (spec); | |
2308 | } | |
20df0482 MM |
2309 | } |
2310 | else | |
2311 | { | |
2312 | /* Add this pair to the vector. */ | |
2313 | compilers | |
e1e4cdc4 | 2314 | = XRESIZEVEC (struct compiler, compilers, n_compilers + 2); |
e9a25f70 | 2315 | |
20df0482 | 2316 | compilers[n_compilers].suffix = suffix; |
ea414c97 | 2317 | compilers[n_compilers].spec = spec; |
20df0482 | 2318 | n_compilers++; |
9257393c | 2319 | memset (&compilers[n_compilers], 0, sizeof compilers[n_compilers]); |
20df0482 MM |
2320 | } |
2321 | ||
2322 | if (*suffix == 0) | |
2323 | link_command_spec = spec; | |
2324 | } | |
2325 | ||
2326 | if (link_command_spec == 0) | |
40fecdd6 | 2327 | fatal_error (input_location, "spec file has no spec for linking"); |
9376dd63 DM |
2328 | |
2329 | XDELETEVEC (buffer); | |
20df0482 MM |
2330 | } |
2331 | \f | |
ed1f651b RS |
2332 | /* Record the names of temporary files we tell compilers to write, |
2333 | and delete them at the end of the run. */ | |
2334 | ||
aa34f42c RG |
2335 | /* This is the common prefix we use to make temp file names. |
2336 | It is chosen once for each run of this program. | |
2337 | It is substituted into a spec by %g or %j. | |
2338 | Thus, all temp file names contain this prefix. | |
2339 | In practice, all temp file names start with this prefix. | |
2340 | ||
2341 | This prefix comes from the envvar TMPDIR if it is defined; | |
2342 | otherwise, from the P_tmpdir macro if that is defined; | |
2343 | otherwise, in /usr/tmp or /tmp; | |
2344 | or finally the current directory if all else fails. */ | |
2345 | ||
2346 | static const char *temp_filename; | |
2347 | ||
2348 | /* Length of the prefix. */ | |
2349 | ||
2350 | static int temp_filename_length; | |
2351 | ||
ed1f651b RS |
2352 | /* Define the list of temporary files to delete. */ |
2353 | ||
2354 | struct temp_file | |
2355 | { | |
878f32c3 | 2356 | const char *name; |
ed1f651b RS |
2357 | struct temp_file *next; |
2358 | }; | |
2359 | ||
2360 | /* Queue of files to delete on success or failure of compilation. */ | |
2361 | static struct temp_file *always_delete_queue; | |
2362 | /* Queue of files to delete on failure of compilation. */ | |
2363 | static struct temp_file *failure_delete_queue; | |
2364 | ||
2365 | /* Record FILENAME as a file to be deleted automatically. | |
2366 | ALWAYS_DELETE nonzero means delete it if all compilation succeeds; | |
2367 | otherwise delete it in any case. | |
2368 | FAIL_DELETE nonzero means delete it if a compilation step fails; | |
2369 | otherwise delete it in any case. */ | |
2370 | ||
d991c721 | 2371 | void |
1d088dee | 2372 | record_temp_file (const char *filename, int always_delete, int fail_delete) |
ed1f651b | 2373 | { |
b3694847 | 2374 | char *const name = xstrdup (filename); |
ed1f651b RS |
2375 | |
2376 | if (always_delete) | |
2377 | { | |
b3694847 | 2378 | struct temp_file *temp; |
ed1f651b | 2379 | for (temp = always_delete_queue; temp; temp = temp->next) |
ba78087b | 2380 | if (! filename_cmp (name, temp->name)) |
af121e82 ML |
2381 | { |
2382 | free (name); | |
2383 | goto already1; | |
2384 | } | |
e9a25f70 | 2385 | |
5ed6ace5 | 2386 | temp = XNEW (struct temp_file); |
ed1f651b RS |
2387 | temp->next = always_delete_queue; |
2388 | temp->name = name; | |
2389 | always_delete_queue = temp; | |
e9a25f70 | 2390 | |
ed1f651b RS |
2391 | already1:; |
2392 | } | |
2393 | ||
2394 | if (fail_delete) | |
2395 | { | |
b3694847 | 2396 | struct temp_file *temp; |
ed1f651b | 2397 | for (temp = failure_delete_queue; temp; temp = temp->next) |
ba78087b | 2398 | if (! filename_cmp (name, temp->name)) |
fc429b48 TB |
2399 | { |
2400 | free (name); | |
2401 | goto already2; | |
2402 | } | |
e9a25f70 | 2403 | |
5ed6ace5 | 2404 | temp = XNEW (struct temp_file); |
ed1f651b RS |
2405 | temp->next = failure_delete_queue; |
2406 | temp->name = name; | |
2407 | failure_delete_queue = temp; | |
e9a25f70 | 2408 | |
ed1f651b RS |
2409 | already2:; |
2410 | } | |
2411 | } | |
2412 | ||
2413 | /* Delete all the temporary files whose names we previously recorded. */ | |
2414 | ||
8fd58397 DR |
2415 | #ifndef DELETE_IF_ORDINARY |
2416 | #define DELETE_IF_ORDINARY(NAME,ST,VERBOSE_FLAG) \ | |
2417 | do \ | |
2418 | { \ | |
2419 | if (stat (NAME, &ST) >= 0 && S_ISREG (ST.st_mode)) \ | |
2420 | if (unlink (NAME) < 0) \ | |
2421 | if (VERBOSE_FLAG) \ | |
2422 | perror_with_name (NAME); \ | |
2423 | } while (0) | |
2424 | #endif | |
2425 | ||
d5ea2ac4 | 2426 | static void |
1d088dee | 2427 | delete_if_ordinary (const char *name) |
d5ea2ac4 RK |
2428 | { |
2429 | struct stat st; | |
2430 | #ifdef DEBUG | |
2431 | int i, c; | |
2432 | ||
2433 | printf ("Delete %s? (y or n) ", name); | |
2434 | fflush (stdout); | |
2435 | i = getchar (); | |
2436 | if (i != '\n') | |
e9a25f70 JL |
2437 | while ((c = getchar ()) != '\n' && c != EOF) |
2438 | ; | |
2439 | ||
d5ea2ac4 RK |
2440 | if (i == 'y' || i == 'Y') |
2441 | #endif /* DEBUG */ | |
8fd58397 | 2442 | DELETE_IF_ORDINARY (name, st, verbose_flag); |
d5ea2ac4 RK |
2443 | } |
2444 | ||
ed1f651b | 2445 | static void |
1d088dee | 2446 | delete_temp_files (void) |
ed1f651b | 2447 | { |
b3694847 | 2448 | struct temp_file *temp; |
ed1f651b RS |
2449 | |
2450 | for (temp = always_delete_queue; temp; temp = temp->next) | |
d5ea2ac4 | 2451 | delete_if_ordinary (temp->name); |
ed1f651b RS |
2452 | always_delete_queue = 0; |
2453 | } | |
2454 | ||
2455 | /* Delete all the files to be deleted on error. */ | |
2456 | ||
2457 | static void | |
1d088dee | 2458 | delete_failure_queue (void) |
ed1f651b | 2459 | { |
b3694847 | 2460 | struct temp_file *temp; |
ed1f651b RS |
2461 | |
2462 | for (temp = failure_delete_queue; temp; temp = temp->next) | |
d5ea2ac4 | 2463 | delete_if_ordinary (temp->name); |
ed1f651b RS |
2464 | } |
2465 | ||
2466 | static void | |
1d088dee | 2467 | clear_failure_queue (void) |
ed1f651b RS |
2468 | { |
2469 | failure_delete_queue = 0; | |
2470 | } | |
b3865ca9 | 2471 | \f |
00dcee0c AM |
2472 | /* Call CALLBACK for each path in PATHS, breaking out early if CALLBACK |
2473 | returns non-NULL. | |
2474 | If DO_MULTI is true iterate over the paths twice, first with multilib | |
2475 | suffix then without, otherwise iterate over the paths once without | |
2476 | adding a multilib suffix. When DO_MULTI is true, some attempt is made | |
2477 | to avoid visiting the same path twice, but we could do better. For | |
2478 | instance, /usr/lib/../lib is considered different from /usr/lib. | |
2479 | At least EXTRA_SPACE chars past the end of the path passed to | |
2480 | CALLBACK are available for use by the callback. | |
2481 | CALLBACK_INFO allows extra parameters to be passed to CALLBACK. | |
2482 | ||
2483 | Returns the value returned by CALLBACK. */ | |
2484 | ||
2485 | static void * | |
2486 | for_each_path (const struct path_prefix *paths, | |
2487 | bool do_multi, | |
2488 | size_t extra_space, | |
2489 | void *(*callback) (char *, void *), | |
2490 | void *callback_info) | |
b3865ca9 | 2491 | { |
00dcee0c AM |
2492 | struct prefix_list *pl; |
2493 | const char *multi_dir = NULL; | |
2494 | const char *multi_os_dir = NULL; | |
e0cdc09f | 2495 | const char *multiarch_suffix = NULL; |
00dcee0c AM |
2496 | const char *multi_suffix; |
2497 | const char *just_multi_suffix; | |
2498 | char *path = NULL; | |
2499 | void *ret = NULL; | |
2500 | bool skip_multi_dir = false; | |
2501 | bool skip_multi_os_dir = false; | |
2502 | ||
2503 | multi_suffix = machine_suffix; | |
2504 | just_multi_suffix = just_machine_suffix; | |
2505 | if (do_multi && multilib_dir && strcmp (multilib_dir, ".") != 0) | |
b3865ca9 | 2506 | { |
00dcee0c AM |
2507 | multi_dir = concat (multilib_dir, dir_separator_str, NULL); |
2508 | multi_suffix = concat (multi_suffix, multi_dir, NULL); | |
2509 | just_multi_suffix = concat (just_multi_suffix, multi_dir, NULL); | |
2510 | } | |
2511 | if (do_multi && multilib_os_dir && strcmp (multilib_os_dir, ".") != 0) | |
2512 | multi_os_dir = concat (multilib_os_dir, dir_separator_str, NULL); | |
e0cdc09f MK |
2513 | if (multiarch_dir) |
2514 | multiarch_suffix = concat (multiarch_dir, dir_separator_str, NULL); | |
b3865ca9 | 2515 | |
00dcee0c AM |
2516 | while (1) |
2517 | { | |
2518 | size_t multi_dir_len = 0; | |
2519 | size_t multi_os_dir_len = 0; | |
e0cdc09f | 2520 | size_t multiarch_len = 0; |
00dcee0c AM |
2521 | size_t suffix_len; |
2522 | size_t just_suffix_len; | |
2523 | size_t len; | |
2524 | ||
2525 | if (multi_dir) | |
2526 | multi_dir_len = strlen (multi_dir); | |
2527 | if (multi_os_dir) | |
2528 | multi_os_dir_len = strlen (multi_os_dir); | |
e0cdc09f MK |
2529 | if (multiarch_suffix) |
2530 | multiarch_len = strlen (multiarch_suffix); | |
00dcee0c AM |
2531 | suffix_len = strlen (multi_suffix); |
2532 | just_suffix_len = strlen (just_multi_suffix); | |
2533 | ||
2534 | if (path == NULL) | |
b3865ca9 | 2535 | { |
00dcee0c | 2536 | len = paths->max_len + extra_space + 1; |
e0cdc09f | 2537 | len += MAX (MAX (suffix_len, multi_os_dir_len), multiarch_len); |
5ed6ace5 | 2538 | path = XNEWVEC (char, len); |
b3865ca9 RS |
2539 | } |
2540 | ||
00dcee0c | 2541 | for (pl = paths->plist; pl != 0; pl = pl->next) |
ae04227b | 2542 | { |
00dcee0c AM |
2543 | len = strlen (pl->prefix); |
2544 | memcpy (path, pl->prefix, len); | |
9218435e | 2545 | |
00dcee0c AM |
2546 | /* Look first in MACHINE/VERSION subdirectory. */ |
2547 | if (!skip_multi_dir) | |
2548 | { | |
2549 | memcpy (path + len, multi_suffix, suffix_len + 1); | |
2550 | ret = callback (path, callback_info); | |
2551 | if (ret) | |
2552 | break; | |
2553 | } | |
2554 | ||
2555 | /* Some paths are tried with just the machine (ie. target) | |
2556 | subdir. This is used for finding as, ld, etc. */ | |
2557 | if (!skip_multi_dir | |
2558 | && pl->require_machine_suffix == 2) | |
2559 | { | |
2560 | memcpy (path + len, just_multi_suffix, just_suffix_len + 1); | |
2561 | ret = callback (path, callback_info); | |
2562 | if (ret) | |
2563 | break; | |
2564 | } | |
2565 | ||
e0cdc09f MK |
2566 | /* Now try the multiarch path. */ |
2567 | if (!skip_multi_dir | |
2568 | && !pl->require_machine_suffix && multiarch_dir) | |
2569 | { | |
2570 | memcpy (path + len, multiarch_suffix, multiarch_len + 1); | |
2571 | ret = callback (path, callback_info); | |
2572 | if (ret) | |
2573 | break; | |
2574 | } | |
2575 | ||
00dcee0c AM |
2576 | /* Now try the base path. */ |
2577 | if (!pl->require_machine_suffix | |
2578 | && !(pl->os_multilib ? skip_multi_os_dir : skip_multi_dir)) | |
2579 | { | |
2580 | const char *this_multi; | |
2581 | size_t this_multi_len; | |
2582 | ||
2583 | if (pl->os_multilib) | |
2584 | { | |
2585 | this_multi = multi_os_dir; | |
2586 | this_multi_len = multi_os_dir_len; | |
2587 | } | |
2588 | else | |
2589 | { | |
2590 | this_multi = multi_dir; | |
2591 | this_multi_len = multi_dir_len; | |
2592 | } | |
2593 | ||
2594 | if (this_multi_len) | |
2595 | memcpy (path + len, this_multi, this_multi_len + 1); | |
2596 | else | |
2597 | path[len] = '\0'; | |
2598 | ||
2599 | ret = callback (path, callback_info); | |
2600 | if (ret) | |
2601 | break; | |
2602 | } | |
ae04227b | 2603 | } |
00dcee0c AM |
2604 | if (pl) |
2605 | break; | |
ae04227b | 2606 | |
00dcee0c AM |
2607 | if (multi_dir == NULL && multi_os_dir == NULL) |
2608 | break; | |
b3865ca9 | 2609 | |
00dcee0c AM |
2610 | /* Run through the paths again, this time without multilibs. |
2611 | Don't repeat any we have already seen. */ | |
2612 | if (multi_dir) | |
2613 | { | |
b1d5455a | 2614 | free (CONST_CAST (char *, multi_dir)); |
00dcee0c | 2615 | multi_dir = NULL; |
b1d5455a | 2616 | free (CONST_CAST (char *, multi_suffix)); |
00dcee0c | 2617 | multi_suffix = machine_suffix; |
b1d5455a | 2618 | free (CONST_CAST (char *, just_multi_suffix)); |
00dcee0c | 2619 | just_multi_suffix = just_machine_suffix; |
b3865ca9 | 2620 | } |
00dcee0c AM |
2621 | else |
2622 | skip_multi_dir = true; | |
2623 | if (multi_os_dir) | |
2624 | { | |
b1d5455a | 2625 | free (CONST_CAST (char *, multi_os_dir)); |
00dcee0c AM |
2626 | multi_os_dir = NULL; |
2627 | } | |
2628 | else | |
2629 | skip_multi_os_dir = true; | |
2630 | } | |
2631 | ||
2632 | if (multi_dir) | |
2633 | { | |
b1d5455a KG |
2634 | free (CONST_CAST (char *, multi_dir)); |
2635 | free (CONST_CAST (char *, multi_suffix)); | |
2636 | free (CONST_CAST (char *, just_multi_suffix)); | |
b3865ca9 | 2637 | } |
00dcee0c | 2638 | if (multi_os_dir) |
b1d5455a | 2639 | free (CONST_CAST (char *, multi_os_dir)); |
00dcee0c AM |
2640 | if (ret != path) |
2641 | free (path); | |
2642 | return ret; | |
2643 | } | |
2644 | ||
2645 | /* Callback for build_search_list. Adds path to obstack being built. */ | |
2646 | ||
2647 | struct add_to_obstack_info { | |
2648 | struct obstack *ob; | |
2649 | bool check_dir; | |
2650 | bool first_time; | |
2651 | }; | |
2652 | ||
2653 | static void * | |
2654 | add_to_obstack (char *path, void *data) | |
2655 | { | |
e1e4cdc4 | 2656 | struct add_to_obstack_info *info = (struct add_to_obstack_info *) data; |
00dcee0c AM |
2657 | |
2658 | if (info->check_dir && !is_directory (path, false)) | |
2659 | return NULL; | |
2660 | ||
2661 | if (!info->first_time) | |
2662 | obstack_1grow (info->ob, PATH_SEPARATOR); | |
2663 | ||
2664 | obstack_grow (info->ob, path, strlen (path)); | |
2665 | ||
2666 | info->first_time = false; | |
2667 | return NULL; | |
2668 | } | |
2669 | ||
47d33318 FXC |
2670 | /* Add or change the value of an environment variable, outputting the |
2671 | change to standard error if in verbose mode. */ | |
2672 | static void | |
e9c15f6e | 2673 | xputenv (const char *string) |
47d33318 | 2674 | { |
9376dd63 | 2675 | env.xput (string); |
47d33318 FXC |
2676 | } |
2677 | ||
00dcee0c AM |
2678 | /* Build a list of search directories from PATHS. |
2679 | PREFIX is a string to prepend to the list. | |
2680 | If CHECK_DIR_P is true we ensure the directory exists. | |
2681 | If DO_MULTI is true, multilib paths are output first, then | |
2682 | non-multilib paths. | |
2683 | This is used mostly by putenv_from_prefixes so we use `collect_obstack'. | |
2684 | It is also used by the --print-search-dirs flag. */ | |
2685 | ||
2686 | static char * | |
2687 | build_search_list (const struct path_prefix *paths, const char *prefix, | |
2688 | bool check_dir, bool do_multi) | |
2689 | { | |
2690 | struct add_to_obstack_info info; | |
2691 | ||
2692 | info.ob = &collect_obstack; | |
2693 | info.check_dir = check_dir; | |
2694 | info.first_time = true; | |
2695 | ||
2696 | obstack_grow (&collect_obstack, prefix, strlen (prefix)); | |
2697 | obstack_1grow (&collect_obstack, '='); | |
2698 | ||
2699 | for_each_path (paths, do_multi, 0, add_to_obstack, &info); | |
e9a25f70 | 2700 | |
3ae7de4e | 2701 | obstack_1grow (&collect_obstack, '\0'); |
7973fd2a | 2702 | return XOBFINISH (&collect_obstack, char *); |
b3865ca9 RS |
2703 | } |
2704 | ||
0f41302f MS |
2705 | /* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables |
2706 | for collect. */ | |
2628b9d3 DE |
2707 | |
2708 | static void | |
00dcee0c AM |
2709 | putenv_from_prefixes (const struct path_prefix *paths, const char *env_var, |
2710 | bool do_multi) | |
2628b9d3 | 2711 | { |
47d33318 | 2712 | xputenv (build_search_list (paths, env_var, true, do_multi)); |
2628b9d3 | 2713 | } |
ed1f651b | 2714 | \f |
ca606201 ILT |
2715 | /* Check whether NAME can be accessed in MODE. This is like access, |
2716 | except that it never considers directories to be executable. */ | |
2717 | ||
2718 | static int | |
1d088dee | 2719 | access_check (const char *name, int mode) |
ca606201 ILT |
2720 | { |
2721 | if (mode == X_OK) | |
2722 | { | |
2723 | struct stat st; | |
2724 | ||
2725 | if (stat (name, &st) < 0 | |
2726 | || S_ISDIR (st.st_mode)) | |
2727 | return -1; | |
2728 | } | |
2729 | ||
2730 | return access (name, mode); | |
2731 | } | |
2732 | ||
00dcee0c AM |
2733 | /* Callback for find_a_file. Appends the file name to the directory |
2734 | path. If the resulting file exists in the right mode, return the | |
2735 | full pathname to the file. */ | |
2736 | ||
2737 | struct file_at_path_info { | |
2738 | const char *name; | |
2739 | const char *suffix; | |
2740 | int name_len; | |
2741 | int suffix_len; | |
2742 | int mode; | |
2743 | }; | |
2744 | ||
2745 | static void * | |
2746 | file_at_path (char *path, void *data) | |
2747 | { | |
e1e4cdc4 | 2748 | struct file_at_path_info *info = (struct file_at_path_info *) data; |
00dcee0c AM |
2749 | size_t len = strlen (path); |
2750 | ||
2751 | memcpy (path + len, info->name, info->name_len); | |
2752 | len += info->name_len; | |
2753 | ||
2754 | /* Some systems have a suffix for executable files. | |
2755 | So try appending that first. */ | |
2756 | if (info->suffix_len) | |
2757 | { | |
2758 | memcpy (path + len, info->suffix, info->suffix_len + 1); | |
2759 | if (access_check (path, info->mode) == 0) | |
2760 | return path; | |
2761 | } | |
2762 | ||
2763 | path[len] = '\0'; | |
2764 | if (access_check (path, info->mode) == 0) | |
2765 | return path; | |
2766 | ||
2767 | return NULL; | |
2768 | } | |
2769 | ||
ed1f651b | 2770 | /* Search for NAME using the prefix list PREFIXES. MODE is passed to |
00dcee0c AM |
2771 | access to check permissions. If DO_MULTI is true, search multilib |
2772 | paths then non-multilib paths, otherwise do not search multilib paths. | |
0f41302f | 2773 | Return 0 if not found, otherwise return its name, allocated with malloc. */ |
ed1f651b RS |
2774 | |
2775 | static char * | |
00dcee0c AM |
2776 | find_a_file (const struct path_prefix *pprefix, const char *name, int mode, |
2777 | bool do_multi) | |
ed1f651b | 2778 | { |
00dcee0c | 2779 | struct file_at_path_info info; |
ed1f651b | 2780 | |
ab339d62 | 2781 | #ifdef DEFAULT_ASSEMBLER |
c5c0b3d9 | 2782 | if (! strcmp (name, "as") && access (DEFAULT_ASSEMBLER, mode) == 0) |
ad85216e | 2783 | return xstrdup (DEFAULT_ASSEMBLER); |
ab339d62 AO |
2784 | #endif |
2785 | ||
2786 | #ifdef DEFAULT_LINKER | |
c3284718 | 2787 | if (! strcmp (name, "ld") && access (DEFAULT_LINKER, mode) == 0) |
ad85216e | 2788 | return xstrdup (DEFAULT_LINKER); |
ab339d62 AO |
2789 | #endif |
2790 | ||
ed1f651b RS |
2791 | /* Determine the filename to execute (special case for absolute paths). */ |
2792 | ||
3dce1408 | 2793 | if (IS_ABSOLUTE_PATH (name)) |
ed1f651b | 2794 | { |
ab339d62 | 2795 | if (access (name, mode) == 0) |
00dcee0c | 2796 | return xstrdup (name); |
460dcab4 | 2797 | |
00dcee0c AM |
2798 | return NULL; |
2799 | } | |
460dcab4 | 2800 | |
00dcee0c AM |
2801 | info.name = name; |
2802 | info.suffix = (mode & X_OK) != 0 ? HOST_EXECUTABLE_SUFFIX : ""; | |
2803 | info.name_len = strlen (info.name); | |
2804 | info.suffix_len = strlen (info.suffix); | |
2805 | info.mode = mode; | |
ed1f651b | 2806 | |
e1e4cdc4 KG |
2807 | return (char*) for_each_path (pprefix, do_multi, |
2808 | info.name_len + info.suffix_len, | |
2809 | file_at_path, &info); | |
ed1f651b RS |
2810 | } |
2811 | ||
922a4beb | 2812 | /* Ranking of prefixes in the sort list. -B prefixes are put before |
9218435e | 2813 | all others. */ |
922a4beb AC |
2814 | |
2815 | enum path_prefix_priority | |
2816 | { | |
2817 | PREFIX_PRIORITY_B_OPT, | |
2818 | PREFIX_PRIORITY_LAST | |
2819 | }; | |
2820 | ||
fbe5a4a6 | 2821 | /* Add an entry for PREFIX in PLIST. The PLIST is kept in ascending |
922a4beb AC |
2822 | order according to PRIORITY. Within each PRIORITY, new entries are |
2823 | appended. | |
ed1f651b RS |
2824 | |
2825 | If WARN is nonzero, we will warn if no file is found | |
2826 | through this prefix. WARN should point to an int | |
ae04227b CH |
2827 | which will be set to 1 if this entry is used. |
2828 | ||
e9a25f70 JL |
2829 | COMPONENT is the value to be passed to update_path. |
2830 | ||
ae04227b CH |
2831 | REQUIRE_MACHINE_SUFFIX is 1 if this prefix can't be used without |
2832 | the complete value of machine_suffix. | |
2833 | 2 means try both machine_suffix and just_machine_suffix. */ | |
ed1f651b RS |
2834 | |
2835 | static void | |
1d088dee AJ |
2836 | add_prefix (struct path_prefix *pprefix, const char *prefix, |
2837 | const char *component, /* enum prefix_priority */ int priority, | |
1a5d37a1 | 2838 | int require_machine_suffix, int os_multilib) |
ed1f651b RS |
2839 | { |
2840 | struct prefix_list *pl, **prev; | |
2841 | int len; | |
2842 | ||
922a4beb AC |
2843 | for (prev = &pprefix->plist; |
2844 | (*prev) != NULL && (*prev)->priority <= priority; | |
2845 | prev = &(*prev)->next) | |
2846 | ; | |
ed1f651b | 2847 | |
f9da5064 | 2848 | /* Keep track of the longest prefix. */ |
ed1f651b | 2849 | |
e9a25f70 | 2850 | prefix = update_path (prefix, component); |
ed1f651b RS |
2851 | len = strlen (prefix); |
2852 | if (len > pprefix->max_len) | |
2853 | pprefix->max_len = len; | |
2854 | ||
5ed6ace5 | 2855 | pl = XNEW (struct prefix_list); |
51c04256 | 2856 | pl->prefix = prefix; |
ed1f651b | 2857 | pl->require_machine_suffix = require_machine_suffix; |
922a4beb | 2858 | pl->priority = priority; |
5bbcd587 | 2859 | pl->os_multilib = os_multilib; |
ed1f651b | 2860 | |
f9da5064 | 2861 | /* Insert after PREV. */ |
922a4beb AC |
2862 | pl->next = (*prev); |
2863 | (*prev) = pl; | |
ed1f651b | 2864 | } |
4977bab6 ZW |
2865 | |
2866 | /* Same as add_prefix, but prepending target_system_root to prefix. */ | |
f4c0a303 | 2867 | /* The target_system_root prefix has been relocated by gcc_exec_prefix. */ |
4977bab6 | 2868 | static void |
1d088dee AJ |
2869 | add_sysrooted_prefix (struct path_prefix *pprefix, const char *prefix, |
2870 | const char *component, | |
2871 | /* enum prefix_priority */ int priority, | |
1a5d37a1 | 2872 | int require_machine_suffix, int os_multilib) |
4977bab6 | 2873 | { |
3dce1408 | 2874 | if (!IS_ABSOLUTE_PATH (prefix)) |
40fecdd6 | 2875 | fatal_error (input_location, "system path %qs is not absolute", prefix); |
4977bab6 ZW |
2876 | |
2877 | if (target_system_root) | |
2878 | { | |
2fda54bd MK |
2879 | char *sysroot_no_trailing_dir_separator = xstrdup (target_system_root); |
2880 | size_t sysroot_len = strlen (target_system_root); | |
2881 | ||
2882 | if (sysroot_len > 0 | |
2883 | && target_system_root[sysroot_len - 1] == DIR_SEPARATOR) | |
2884 | sysroot_no_trailing_dir_separator[sysroot_len - 1] = '\0'; | |
2885 | ||
e7f13528 | 2886 | if (target_sysroot_suffix) |
fc429b48 TB |
2887 | prefix = concat (sysroot_no_trailing_dir_separator, |
2888 | target_sysroot_suffix, prefix, NULL); | |
2889 | else | |
2890 | prefix = concat (sysroot_no_trailing_dir_separator, prefix, NULL); | |
2891 | ||
2fda54bd | 2892 | free (sysroot_no_trailing_dir_separator); |
e7f13528 | 2893 | |
4977bab6 ZW |
2894 | /* We have to override this because GCC's notion of sysroot |
2895 | moves along with GCC. */ | |
2896 | component = "GCC"; | |
2897 | } | |
2898 | ||
2899 | add_prefix (pprefix, prefix, component, priority, | |
1a5d37a1 | 2900 | require_machine_suffix, os_multilib); |
4977bab6 | 2901 | } |
ed1f651b RS |
2902 | \f |
2903 | /* Execute the command specified by the arguments on the current line of spec. | |
2904 | When using pipes, this includes several piped-together commands | |
2905 | with `|' between them. | |
2906 | ||
2907 | Return 0 if successful, -1 if failed. */ | |
2908 | ||
2909 | static int | |
1d088dee | 2910 | execute (void) |
ed1f651b RS |
2911 | { |
2912 | int i; | |
2913 | int n_commands; /* # of command. */ | |
2914 | char *string; | |
054e88a8 | 2915 | struct pex_obj *pex; |
ed1f651b | 2916 | struct command |
d25a45d4 KH |
2917 | { |
2918 | const char *prog; /* program name. */ | |
2919 | const char **argv; /* vector of args. */ | |
d25a45d4 | 2920 | }; |
5b634ee0 | 2921 | const char *arg; |
ed1f651b RS |
2922 | |
2923 | struct command *commands; /* each command buffer with above info. */ | |
2924 | ||
3b5edfee | 2925 | gcc_assert (!processing_spec_function); |
f3226a90 | 2926 | |
fe7df9c4 SP |
2927 | if (wrapper_string) |
2928 | { | |
5b634ee0 | 2929 | string = find_a_file (&exec_prefixes, |
9771b263 | 2930 | argbuf[0], X_OK, false); |
5b634ee0 | 2931 | if (string) |
9771b263 | 2932 | argbuf[0] = string; |
fe7df9c4 SP |
2933 | insert_wrapper (wrapper_string); |
2934 | } | |
2935 | ||
ed1f651b | 2936 | /* Count # of piped commands. */ |
9771b263 | 2937 | for (n_commands = 1, i = 0; argbuf.iterate (i, &arg); i++) |
5b634ee0 | 2938 | if (strcmp (arg, "|") == 0) |
ed1f651b RS |
2939 | n_commands++; |
2940 | ||
2941 | /* Get storage for each command. */ | |
e1e4cdc4 | 2942 | commands = (struct command *) alloca (n_commands * sizeof (struct command)); |
ed1f651b RS |
2943 | |
2944 | /* Split argbuf into its separate piped processes, | |
2945 | and record info about each one. | |
2946 | Also search for the programs that are to be run. */ | |
2947 | ||
9771b263 | 2948 | argbuf.safe_push (0); |
5b634ee0 | 2949 | |
9771b263 DN |
2950 | commands[0].prog = argbuf[0]; /* first command. */ |
2951 | commands[0].argv = argbuf.address (); | |
b8698a0f | 2952 | |
fe7df9c4 SP |
2953 | if (!wrapper_string) |
2954 | { | |
2955 | string = find_a_file (&exec_prefixes, commands[0].prog, X_OK, false); | |
2956 | commands[0].argv[0] = (string) ? string : commands[0].argv[0]; | |
2957 | } | |
ed1f651b | 2958 | |
9771b263 | 2959 | for (n_commands = 1, i = 0; argbuf.iterate (i, &arg); i++) |
5b634ee0 | 2960 | if (arg && strcmp (arg, "|") == 0) |
ed1f651b | 2961 | { /* each command. */ |
6405c0ec | 2962 | #if defined (__MSDOS__) || defined (OS2) || defined (VMS) |
40fecdd6 | 2963 | fatal_error (input_location, "-pipe not supported"); |
ed1f651b | 2964 | #endif |
9771b263 | 2965 | argbuf[i] = 0; /* Termination of |
5b634ee0 | 2966 | command args. */ |
9771b263 | 2967 | commands[n_commands].prog = argbuf[i + 1]; |
5b634ee0 | 2968 | commands[n_commands].argv |
9771b263 | 2969 | = &(argbuf.address ())[i + 1]; |
5bbcd587 | 2970 | string = find_a_file (&exec_prefixes, commands[n_commands].prog, |
00dcee0c | 2971 | X_OK, false); |
ed1f651b RS |
2972 | if (string) |
2973 | commands[n_commands].argv[0] = string; | |
2974 | n_commands++; | |
2975 | } | |
2976 | ||
ed1f651b RS |
2977 | /* If -v, print what we are about to do, and maybe query. */ |
2978 | ||
b3865ca9 | 2979 | if (verbose_flag) |
ed1f651b | 2980 | { |
b8468bc7 NC |
2981 | /* For help listings, put a blank line between sub-processes. */ |
2982 | if (print_help_list) | |
2983 | fputc ('\n', stderr); | |
9218435e | 2984 | |
ed1f651b | 2985 | /* Print each piped command as a separate line. */ |
d25a45d4 | 2986 | for (i = 0; i < n_commands; i++) |
ed1f651b | 2987 | { |
37620334 | 2988 | const char *const *j; |
ed1f651b | 2989 | |
589005ff KH |
2990 | if (verbose_only_flag) |
2991 | { | |
99f78cdd IR |
2992 | for (j = commands[i].argv; *j; j++) |
2993 | { | |
88f92c0f | 2994 | const char *p; |
99f78cdd | 2995 | for (p = *j; *p; ++p) |
09b201fc JJ |
2996 | if (!ISALNUM ((unsigned char) *p) |
2997 | && *p != '_' && *p != '/' && *p != '-' && *p != '.') | |
2998 | break; | |
2999 | if (*p || !*j) | |
99f78cdd | 3000 | { |
09b201fc JJ |
3001 | fprintf (stderr, " \""); |
3002 | for (p = *j; *p; ++p) | |
3003 | { | |
3004 | if (*p == '"' || *p == '\\' || *p == '$') | |
3005 | fputc ('\\', stderr); | |
3006 | fputc (*p, stderr); | |
3007 | } | |
3008 | fputc ('"', stderr); | |
99f78cdd | 3009 | } |
7fcf46f5 JZ |
3010 | /* If it's empty, print "". */ |
3011 | else if (!**j) | |
3012 | fprintf (stderr, " \"\""); | |
09b201fc JJ |
3013 | else |
3014 | fprintf (stderr, " %s", *j); | |
99f78cdd | 3015 | } |
589005ff KH |
3016 | } |
3017 | else | |
99f78cdd | 3018 | for (j = commands[i].argv; *j; j++) |
7fcf46f5 JZ |
3019 | /* If it's empty, print "". */ |
3020 | if (!**j) | |
3021 | fprintf (stderr, " \"\""); | |
3022 | else | |
3023 | fprintf (stderr, " %s", *j); | |
ed1f651b RS |
3024 | |
3025 | /* Print a pipe symbol after all but the last command. */ | |
3026 | if (i + 1 != n_commands) | |
3027 | fprintf (stderr, " |"); | |
3028 | fprintf (stderr, "\n"); | |
3029 | } | |
3030 | fflush (stderr); | |
99f78cdd | 3031 | if (verbose_only_flag != 0) |
6a40fb21 AP |
3032 | { |
3033 | /* verbose_only_flag should act as if the spec was | |
3034 | executed, so increment execution_count before | |
ba228239 | 3035 | returning. This prevents spurious warnings about |
6a40fb21 AP |
3036 | unused linker input files, etc. */ |
3037 | execution_count++; | |
3038 | return 0; | |
3039 | } | |
ed1f651b | 3040 | #ifdef DEBUG |
2dec80c7 | 3041 | fnotice (stderr, "\nGo ahead? (y or n) "); |
ed1f651b RS |
3042 | fflush (stderr); |
3043 | i = getchar (); | |
3044 | if (i != '\n') | |
e9a25f70 JL |
3045 | while (getchar () != '\n') |
3046 | ; | |
3047 | ||
ed1f651b RS |
3048 | if (i != 'y' && i != 'Y') |
3049 | return 0; | |
3050 | #endif /* DEBUG */ | |
3051 | } | |
3052 | ||
414d23ae | 3053 | #ifdef ENABLE_VALGRIND_CHECKING |
fbe5a4a6 | 3054 | /* Run the each command through valgrind. To simplify prepending the |
414d23ae HPN |
3055 | path to valgrind and the option "-q" (for quiet operation unless |
3056 | something triggers), we allocate a separate argv array. */ | |
3057 | ||
3058 | for (i = 0; i < n_commands; i++) | |
3059 | { | |
3060 | const char **argv; | |
3061 | int argc; | |
3062 | int j; | |
3063 | ||
3064 | for (argc = 0; commands[i].argv[argc] != NULL; argc++) | |
3065 | ; | |
3066 | ||
63ab5b8c | 3067 | argv = XALLOCAVEC (const char *, argc + 3); |
414d23ae HPN |
3068 | |
3069 | argv[0] = VALGRIND_PATH; | |
3070 | argv[1] = "-q"; | |
3071 | for (j = 2; j < argc + 2; j++) | |
3072 | argv[j] = commands[i].argv[j - 2]; | |
3073 | argv[j] = NULL; | |
3074 | ||
3075 | commands[i].argv = argv; | |
3076 | commands[i].prog = argv[0]; | |
3077 | } | |
3078 | #endif | |
3079 | ||
ed1f651b RS |
3080 | /* Run each piped subprocess. */ |
3081 | ||
bdde878c AO |
3082 | pex = pex_init (PEX_USE_PIPES | ((report_times || report_times_to_file) |
3083 | ? PEX_RECORD_TIMES : 0), | |
6afbc885 | 3084 | progname, temp_filename); |
054e88a8 | 3085 | if (pex == NULL) |
40fecdd6 | 3086 | fatal_error (input_location, "pex_init failed: %m"); |
054e88a8 | 3087 | |
ed1f651b RS |
3088 | for (i = 0; i < n_commands; i++) |
3089 | { | |
054e88a8 ILT |
3090 | const char *errmsg; |
3091 | int err; | |
fbd40359 | 3092 | const char *string = commands[i].argv[0]; |
ed1f651b | 3093 | |
054e88a8 ILT |
3094 | errmsg = pex_run (pex, |
3095 | ((i + 1 == n_commands ? PEX_LAST : 0) | |
3096 | | (string == commands[i].prog ? PEX_SEARCH : 0)), | |
b1d5455a | 3097 | string, CONST_CAST (char **, commands[i].argv), |
054e88a8 ILT |
3098 | NULL, NULL, &err); |
3099 | if (errmsg != NULL) | |
3100 | { | |
3101 | if (err == 0) | |
40fecdd6 | 3102 | fatal_error (input_location, errmsg); |
054e88a8 ILT |
3103 | else |
3104 | { | |
3105 | errno = err; | |
3106 | pfatal_with_name (errmsg); | |
3107 | } | |
3108 | } | |
ed1f651b | 3109 | |
dc10fd96 | 3110 | if (i && string != commands[i].prog) |
b1d5455a | 3111 | free (CONST_CAST (char *, string)); |
ed1f651b RS |
3112 | } |
3113 | ||
3114 | execution_count++; | |
3115 | ||
054e88a8 | 3116 | /* Wait for all the subprocesses to finish. */ |
ed1f651b RS |
3117 | |
3118 | { | |
054e88a8 ILT |
3119 | int *statuses; |
3120 | struct pex_time *times = NULL; | |
ed1f651b RS |
3121 | int ret_code = 0; |
3122 | ||
e1e4cdc4 | 3123 | statuses = (int *) alloca (n_commands * sizeof (int)); |
054e88a8 | 3124 | if (!pex_get_status (pex, n_commands, statuses)) |
40fecdd6 | 3125 | fatal_error (input_location, "failed to get exit status: %m"); |
054e88a8 | 3126 | |
bdde878c | 3127 | if (report_times || report_times_to_file) |
ed1f651b | 3128 | { |
e1e4cdc4 | 3129 | times = (struct pex_time *) alloca (n_commands * sizeof (struct pex_time)); |
054e88a8 | 3130 | if (!pex_get_times (pex, n_commands, times)) |
40fecdd6 | 3131 | fatal_error (input_location, "failed to get process times: %m"); |
054e88a8 | 3132 | } |
ed1f651b | 3133 | |
054e88a8 | 3134 | pex_free (pex); |
ed1f651b | 3135 | |
054e88a8 ILT |
3136 | for (i = 0; i < n_commands; ++i) |
3137 | { | |
3138 | int status = statuses[i]; | |
03c41c05 | 3139 | |
054e88a8 ILT |
3140 | if (WIFSIGNALED (status)) |
3141 | { | |
c334349b | 3142 | #ifdef SIGPIPE |
054e88a8 ILT |
3143 | /* SIGPIPE is a special case. It happens in -pipe mode |
3144 | when the compiler dies before the preprocessor is done, | |
3145 | or the assembler dies before the compiler is done. | |
3146 | There's generally been an error already, and this is | |
3147 | just fallout. So don't generate another error unless | |
3148 | we would otherwise have succeeded. */ | |
3149 | if (WTERMSIG (status) == SIGPIPE | |
3150 | && (signal_count || greatest_status >= MIN_FATAL_STATUS)) | |
eeac616e VR |
3151 | { |
3152 | signal_count++; | |
3153 | ret_code = -1; | |
3154 | } | |
054e88a8 ILT |
3155 | else |
3156 | #endif | |
b55f40c1 JJ |
3157 | internal_error_no_backtrace ("%s (program %s)", |
3158 | strsignal (WTERMSIG (status)), | |
3159 | commands[i].prog); | |
054e88a8 ILT |
3160 | } |
3161 | else if (WIFEXITED (status) | |
3162 | && WEXITSTATUS (status) >= MIN_FATAL_STATUS) | |
3163 | { | |
dc10fd96 JJ |
3164 | /* For ICEs in cc1, cc1obj, cc1plus see if it is |
3165 | reproducible or not. */ | |
3166 | const char *p; | |
3167 | if (flag_report_bug | |
3168 | && WEXITSTATUS (status) == ICE_EXIT_CODE | |
3169 | && i == 0 | |
3170 | && (p = strrchr (commands[0].argv[0], DIR_SEPARATOR)) | |
3171 | && ! strncmp (p + 1, "cc1", 3)) | |
1120a850 | 3172 | try_generate_repro (commands[0].argv); |
054e88a8 ILT |
3173 | if (WEXITSTATUS (status) > greatest_status) |
3174 | greatest_status = WEXITSTATUS (status); | |
3175 | ret_code = -1; | |
3176 | } | |
3177 | ||
bdde878c | 3178 | if (report_times || report_times_to_file) |
054e88a8 ILT |
3179 | { |
3180 | struct pex_time *pt = ×[i]; | |
3181 | double ut, st; | |
3182 | ||
3183 | ut = ((double) pt->user_seconds | |
3184 | + (double) pt->user_microseconds / 1.0e6); | |
3185 | st = ((double) pt->system_seconds | |
3186 | + (double) pt->system_microseconds / 1.0e6); | |
3187 | ||
3188 | if (ut + st != 0) | |
bdde878c AO |
3189 | { |
3190 | if (report_times) | |
2dec80c7 JM |
3191 | fnotice (stderr, "# %s %.2f %.2f\n", |
3192 | commands[i].prog, ut, st); | |
bdde878c AO |
3193 | |
3194 | if (report_times_to_file) | |
3195 | { | |
3196 | int c = 0; | |
3197 | const char *const *j; | |
3198 | ||
3199 | fprintf (report_times_to_file, "%g %g", ut, st); | |
3200 | ||
3201 | for (j = &commands[i].prog; *j; j = &commands[i].argv[++c]) | |
3202 | { | |
3203 | const char *p; | |
3204 | for (p = *j; *p; ++p) | |
3205 | if (*p == '"' || *p == '\\' || *p == '$' | |
3206 | || ISSPACE (*p)) | |
3207 | break; | |
3208 | ||
3209 | if (*p) | |
3210 | { | |
3211 | fprintf (report_times_to_file, " \""); | |
3212 | for (p = *j; *p; ++p) | |
3213 | { | |
3214 | if (*p == '"' || *p == '\\' || *p == '$') | |
3215 | fputc ('\\', report_times_to_file); | |
3216 | fputc (*p, report_times_to_file); | |
3217 | } | |
3218 | fputc ('"', report_times_to_file); | |
3219 | } | |
3220 | else | |
3221 | fprintf (report_times_to_file, " %s", *j); | |
3222 | } | |
3223 | ||
3224 | fputc ('\n', report_times_to_file); | |
3225 | } | |
3226 | } | |
054e88a8 | 3227 | } |
ed1f651b | 3228 | } |
054e88a8 | 3229 | |
dc10fd96 JJ |
3230 | if (commands[0].argv[0] != commands[0].prog) |
3231 | free (CONST_CAST (char *, commands[0].argv[0])); | |
3232 | ||
ed1f651b RS |
3233 | return ret_code; |
3234 | } | |
3235 | } | |
3236 | \f | |
3237 | /* Find all the switches given to us | |
3238 | and make a vector describing them. | |
3239 | The elements of the vector are strings, one per switch given. | |
3240 | If a switch uses following arguments, then the `part1' field | |
3241 | is the switch itself and the `args' field | |
3242 | is a null-terminated vector containing the following arguments. | |
3371362c L |
3243 | Bits in the `live_cond' field are: |
3244 | SWITCH_LIVE to indicate this switch is true in a conditional spec. | |
3245 | SWITCH_FALSE to indicate this switch is overridden by a later switch. | |
3246 | SWITCH_IGNORE to indicate this switch should be ignored (used in %<S). | |
db8d0919 TS |
3247 | SWITCH_IGNORE_PERMANENTLY to indicate this switch should be ignored. |
3248 | SWITCH_KEEP_FOR_GCC to indicate that this switch, otherwise ignored, | |
3249 | should be included in COLLECT_GCC_OPTIONS. | |
94b90527 | 3250 | in all do_spec calls afterwards. Used for %<S from self specs. |
db8d0919 TS |
3251 | The `known' field describes whether this is an internal switch. |
3252 | The `validated' field describes whether any spec has looked at this switch; | |
3253 | if it remains false at the end of the run, the switch must be meaningless. | |
3254 | The `ordering' field is used to temporarily mark switches that have to be | |
3255 | kept in a specific order. */ | |
ed1f651b | 3256 | |
96f5b137 L |
3257 | #define SWITCH_LIVE (1 << 0) |
3258 | #define SWITCH_FALSE (1 << 1) | |
3259 | #define SWITCH_IGNORE (1 << 2) | |
3260 | #define SWITCH_IGNORE_PERMANENTLY (1 << 3) | |
3261 | #define SWITCH_KEEP_FOR_GCC (1 << 4) | |
8097c429 | 3262 | |
ed1f651b RS |
3263 | struct switchstr |
3264 | { | |
878f32c3 | 3265 | const char *part1; |
fbd40359 | 3266 | const char **args; |
3371362c | 3267 | unsigned int live_cond; |
d168aaee CB |
3268 | bool known; |
3269 | bool validated; | |
3270 | bool ordering; | |
ed1f651b RS |
3271 | }; |
3272 | ||
3273 | static struct switchstr *switches; | |
3274 | ||
3275 | static int n_switches; | |
3276 | ||
922e1882 JM |
3277 | static int n_switches_alloc; |
3278 | ||
2153915d AO |
3279 | /* Set to zero if -fcompare-debug is disabled, positive if it's |
3280 | enabled and we're running the first compilation, negative if it's | |
3281 | enabled and we're running the second compilation. For most of the | |
3282 | time, it's in the range -1..1, but it can be temporarily set to 2 | |
3283 | or 3 to indicate that the -fcompare-debug flags didn't come from | |
3284 | the command-line, but rather from the GCC_COMPARE_DEBUG environment | |
3285 | variable, until a synthesized -fcompare-debug flag is added to the | |
3286 | command line. */ | |
3287 | int compare_debug; | |
3288 | ||
3289 | /* Set to nonzero if we've seen the -fcompare-debug-second flag. */ | |
3290 | int compare_debug_second; | |
3291 | ||
3292 | /* Set to the flags that should be passed to the second compilation in | |
3293 | a -fcompare-debug compilation. */ | |
3294 | const char *compare_debug_opt; | |
3295 | ||
3296 | static struct switchstr *switches_debug_check[2]; | |
3297 | ||
3298 | static int n_switches_debug_check[2]; | |
3299 | ||
efe5e5a0 JM |
3300 | static int n_switches_alloc_debug_check[2]; |
3301 | ||
2153915d AO |
3302 | static char *debug_check_temp_file[2]; |
3303 | ||
817a8255 EC |
3304 | /* Language is one of three things: |
3305 | ||
3306 | 1) The name of a real programming language. | |
3307 | 2) NULL, indicating that no one has figured out | |
3308 | what it is yet. | |
3309 | 3) '*', indicating that the file should be passed | |
3310 | to the linker. */ | |
ed1f651b RS |
3311 | struct infile |
3312 | { | |
878f32c3 KG |
3313 | const char *name; |
3314 | const char *language; | |
0855eab7 CT |
3315 | struct compiler *incompiler; |
3316 | bool compiled; | |
3317 | bool preprocessed; | |
ed1f651b RS |
3318 | }; |
3319 | ||
3320 | /* Also a vector of input files specified. */ | |
3321 | ||
3322 | static struct infile *infiles; | |
3323 | ||
3a5a9edc | 3324 | int n_infiles; |
ed1f651b | 3325 | |
922e1882 JM |
3326 | static int n_infiles_alloc; |
3327 | ||
ba85c5fd OH |
3328 | /* True if undefined environment variables encountered during spec processing |
3329 | are ok to ignore, typically when we're running for --help or --version. */ | |
3330 | ||
3331 | static bool spec_undefvar_allowed; | |
3332 | ||
d1bd0ded GK |
3333 | /* True if multiple input files are being compiled to a single |
3334 | assembly file. */ | |
3335 | ||
3336 | static bool combine_inputs; | |
3337 | ||
08dc830e | 3338 | /* This counts the number of libraries added by lang_specific_driver, so that |
a2a05b0a JW |
3339 | we can tell if there were any user supplied any files or libraries. */ |
3340 | ||
3341 | static int added_libraries; | |
3342 | ||
ed1f651b RS |
3343 | /* And a vector of corresponding output files is made up later. */ |
3344 | ||
3a5a9edc | 3345 | const char **outfiles; |
853e0b2d | 3346 | \f |
45936a85 | 3347 | #if defined(HAVE_TARGET_OBJECT_SUFFIX) || defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
853e0b2d RK |
3348 | |
3349 | /* Convert NAME to a new name if it is the standard suffix. DO_EXE | |
a9657ce8 DR |
3350 | is true if we should look for an executable suffix. DO_OBJ |
3351 | is true if we should look for an object suffix. */ | |
853e0b2d | 3352 | |
40cdfca6 | 3353 | static const char * |
1d088dee AJ |
3354 | convert_filename (const char *name, int do_exe ATTRIBUTE_UNUSED, |
3355 | int do_obj ATTRIBUTE_UNUSED) | |
853e0b2d | 3356 | { |
40cdfca6 | 3357 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
853e0b2d | 3358 | int i; |
40cdfca6 | 3359 | #endif |
87e690e2 MK |
3360 | int len; |
3361 | ||
3362 | if (name == NULL) | |
3363 | return NULL; | |
9218435e | 3364 | |
87e690e2 | 3365 | len = strlen (name); |
853e0b2d | 3366 | |
45936a85 DD |
3367 | #ifdef HAVE_TARGET_OBJECT_SUFFIX |
3368 | /* Convert x.o to x.obj if TARGET_OBJECT_SUFFIX is ".obj". */ | |
a9657ce8 | 3369 | if (do_obj && len > 2 |
853e0b2d RK |
3370 | && name[len - 2] == '.' |
3371 | && name[len - 1] == 'o') | |
3372 | { | |
bdc5ed93 | 3373 | obstack_grow (&obstack, name, len - 2); |
45936a85 | 3374 | obstack_grow0 (&obstack, TARGET_OBJECT_SUFFIX, strlen (TARGET_OBJECT_SUFFIX)); |
7973fd2a | 3375 | name = XOBFINISH (&obstack, const char *); |
853e0b2d RK |
3376 | } |
3377 | #endif | |
3378 | ||
45936a85 | 3379 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) |
853e0b2d RK |
3380 | /* If there is no filetype, make it the executable suffix (which includes |
3381 | the "."). But don't get confused if we have just "-o". */ | |
45936a85 | 3382 | if (! do_exe || TARGET_EXECUTABLE_SUFFIX[0] == 0 || (len == 2 && name[0] == '-')) |
853e0b2d RK |
3383 | return name; |
3384 | ||
e0040a8e | 3385 | for (i = len - 1; i >= 0; i--) |
509781a4 | 3386 | if (IS_DIR_SEPARATOR (name[i])) |
e0040a8e RK |
3387 | break; |
3388 | ||
3389 | for (i++; i < len; i++) | |
853e0b2d RK |
3390 | if (name[i] == '.') |
3391 | return name; | |
3392 | ||
3393 | obstack_grow (&obstack, name, len); | |
5d9669fd RK |
3394 | obstack_grow0 (&obstack, TARGET_EXECUTABLE_SUFFIX, |
3395 | strlen (TARGET_EXECUTABLE_SUFFIX)); | |
7973fd2a | 3396 | name = XOBFINISH (&obstack, const char *); |
853e0b2d RK |
3397 | #endif |
3398 | ||
3399 | return name; | |
3400 | } | |
3401 | #endif | |
b8468bc7 NC |
3402 | \f |
3403 | /* Display the command line switches accepted by gcc. */ | |
3404 | static void | |
1d088dee | 3405 | display_help (void) |
b8468bc7 | 3406 | { |
6afbc885 | 3407 | printf (_("Usage: %s [options] file...\n"), progname); |
5e4adfba | 3408 | fputs (_("Options:\n"), stdout); |
b8468bc7 | 3409 | |
a7b2e184 MS |
3410 | fputs (_(" -pass-exit-codes Exit with highest error code from a phase.\n"), stdout); |
3411 | fputs (_(" --help Display this information.\n"), stdout); | |
3412 | fputs (_(" --target-help Display target specific command line options.\n"), stdout); | |
3413 | fputs (_(" --help={common|optimizers|params|target|warnings|[^]{joined|separate|undocumented}}[,...].\n"), stdout); | |
3414 | fputs (_(" Display specific types of command line options.\n"), stdout); | |
b8468bc7 | 3415 | if (! verbose_flag) |
a7b2e184 MS |
3416 | fputs (_(" (Use '-v --help' to display command line options of sub-processes).\n"), stdout); |
3417 | fputs (_(" --version Display compiler version information.\n"), stdout); | |
3418 | fputs (_(" -dumpspecs Display all of the built in spec strings.\n"), stdout); | |
3419 | fputs (_(" -dumpversion Display the version of the compiler.\n"), stdout); | |
3420 | fputs (_(" -dumpmachine Display the compiler's target processor.\n"), stdout); | |
3421 | fputs (_(" -print-search-dirs Display the directories in the compiler's search path.\n"), stdout); | |
3422 | fputs (_(" -print-libgcc-file-name Display the name of the compiler's companion library.\n"), stdout); | |
3423 | fputs (_(" -print-file-name=<lib> Display the full path to library <lib>.\n"), stdout); | |
3424 | fputs (_(" -print-prog-name=<prog> Display the full path to compiler component <prog>.\n"), stdout); | |
e0cdc09f MK |
3425 | fputs (_("\ |
3426 | -print-multiarch Display the target's normalized GNU triplet, used as\n\ | |
a7b2e184 MS |
3427 | a component in the library path.\n"), stdout); |
3428 | fputs (_(" -print-multi-directory Display the root directory for versions of libgcc.\n"), stdout); | |
5e4adfba PT |
3429 | fputs (_("\ |
3430 | -print-multi-lib Display the mapping between command line options and\n\ | |
a7b2e184 MS |
3431 | multiple library search directories.\n"), stdout); |
3432 | fputs (_(" -print-multi-os-directory Display the relative path to OS libraries.\n"), stdout); | |
3433 | fputs (_(" -print-sysroot Display the target libraries directory.\n"), stdout); | |
3434 | fputs (_(" -print-sysroot-headers-suffix Display the sysroot suffix used to find headers.\n"), stdout); | |
3435 | fputs (_(" -Wa,<options> Pass comma-separated <options> on to the assembler.\n"), stdout); | |
3436 | fputs (_(" -Wp,<options> Pass comma-separated <options> on to the preprocessor.\n"), stdout); | |
3437 | fputs (_(" -Wl,<options> Pass comma-separated <options> on to the linker.\n"), stdout); | |
3438 | fputs (_(" -Xassembler <arg> Pass <arg> on to the assembler.\n"), stdout); | |
3439 | fputs (_(" -Xpreprocessor <arg> Pass <arg> on to the preprocessor.\n"), stdout); | |
3440 | fputs (_(" -Xlinker <arg> Pass <arg> on to the linker.\n"), stdout); | |
3441 | fputs (_(" -save-temps Do not delete intermediate files.\n"), stdout); | |
3442 | fputs (_(" -save-temps=<arg> Do not delete intermediate files.\n"), stdout); | |
ba0c638e SB |
3443 | fputs (_("\ |
3444 | -no-canonical-prefixes Do not canonicalize paths when building relative\n\ | |
a7b2e184 MS |
3445 | prefixes to other gcc components.\n"), stdout); |
3446 | fputs (_(" -pipe Use pipes rather than intermediate files.\n"), stdout); | |
3447 | fputs (_(" -time Time the execution of each subprocess.\n"), stdout); | |
3448 | fputs (_(" -specs=<file> Override built-in specs with the contents of <file>.\n"), stdout); | |
3449 | fputs (_(" -std=<standard> Assume that the input sources are for <standard>.\n"), stdout); | |
160633c6 MM |
3450 | fputs (_("\ |
3451 | --sysroot=<directory> Use <directory> as the root directory for headers\n\ | |
a7b2e184 MS |
3452 | and libraries.\n"), stdout); |
3453 | fputs (_(" -B <directory> Add <directory> to the compiler's search paths.\n"), stdout); | |
3454 | fputs (_(" -v Display the programs invoked by the compiler.\n"), stdout); | |
3455 | fputs (_(" -### Like -v but options quoted and commands not executed.\n"), stdout); | |
3456 | fputs (_(" -E Preprocess only; do not compile, assemble or link.\n"), stdout); | |
3457 | fputs (_(" -S Compile only; do not assemble or link.\n"), stdout); | |
3458 | fputs (_(" -c Compile and assemble, but do not link.\n"), stdout); | |
3459 | fputs (_(" -o <file> Place the output into <file>.\n"), stdout); | |
3460 | fputs (_(" -pie Create a position independent executable.\n"), stdout); | |
3461 | fputs (_(" -shared Create a shared library.\n"), stdout); | |
5e4adfba | 3462 | fputs (_("\ |
a7b2e184 | 3463 | -x <language> Specify the language of the following input files.\n\ |
8e854b76 | 3464 | Permissible languages include: c c++ assembler none\n\ |
1737c953 | 3465 | 'none' means revert to the default behavior of\n\ |
a7b2e184 | 3466 | guessing the language based on the file's extension.\n\ |
5e4adfba PT |
3467 | "), stdout); |
3468 | ||
0c386769 | 3469 | printf (_("\ |
d991c721 BK |
3470 | \nOptions starting with -g, -f, -m, -O, -W, or --param are automatically\n\ |
3471 | passed on to the various sub-processes invoked by %s. In order to pass\n\ | |
3472 | other options on to these processes the -W<letter> options must be used.\n\ | |
6afbc885 | 3473 | "), progname); |
b8468bc7 NC |
3474 | |
3475 | /* The rest of the options are displayed by invocations of the various | |
3476 | sub-processes. */ | |
3477 | } | |
3478 | ||
9218435e | 3479 | static void |
1d088dee | 3480 | add_preprocessor_option (const char *option, int len) |
9218435e | 3481 | { |
9771b263 | 3482 | preprocessor_options.safe_push (save_string (option, len)); |
40f943dd | 3483 | } |
9218435e KH |
3484 | |
3485 | static void | |
1d088dee | 3486 | add_assembler_option (const char *option, int len) |
878f32c3 | 3487 | { |
9771b263 | 3488 | assembler_options.safe_push (save_string (option, len)); |
b8468bc7 | 3489 | } |
9218435e KH |
3490 | |
3491 | static void | |
1d088dee | 3492 | add_linker_option (const char *option, int len) |
878f32c3 | 3493 | { |
9771b263 | 3494 | linker_options.safe_push (save_string (option, len)); |
40f943dd | 3495 | } |
853e0b2d | 3496 | \f |
922e1882 JM |
3497 | /* Allocate space for an input file in infiles. */ |
3498 | ||
3499 | static void | |
3500 | alloc_infile (void) | |
3501 | { | |
3502 | if (n_infiles_alloc == 0) | |
3503 | { | |
3504 | n_infiles_alloc = 16; | |
3505 | infiles = XNEWVEC (struct infile, n_infiles_alloc); | |
3506 | } | |
3507 | else if (n_infiles_alloc == n_infiles) | |
3508 | { | |
3509 | n_infiles_alloc *= 2; | |
3510 | infiles = XRESIZEVEC (struct infile, infiles, n_infiles_alloc); | |
3511 | } | |
3512 | } | |
3513 | ||
3514 | /* Store an input file with the given NAME and LANGUAGE in | |
3515 | infiles. */ | |
3516 | ||
3517 | static void | |
3518 | add_infile (const char *name, const char *language) | |
3519 | { | |
3520 | alloc_infile (); | |
3521 | infiles[n_infiles].name = name; | |
3522 | infiles[n_infiles++].language = language; | |
3523 | } | |
3524 | ||
3525 | /* Allocate space for a switch in switches. */ | |
3526 | ||
3527 | static void | |
3528 | alloc_switch (void) | |
3529 | { | |
3530 | if (n_switches_alloc == 0) | |
3531 | { | |
3532 | n_switches_alloc = 16; | |
3533 | switches = XNEWVEC (struct switchstr, n_switches_alloc); | |
3534 | } | |
3535 | else if (n_switches_alloc == n_switches) | |
3536 | { | |
3537 | n_switches_alloc *= 2; | |
3538 | switches = XRESIZEVEC (struct switchstr, switches, n_switches_alloc); | |
3539 | } | |
3540 | } | |
3541 | ||
603349bf | 3542 | /* Save an option OPT with N_ARGS arguments in array ARGS, marking it |
d168aaee | 3543 | as validated if VALIDATED and KNOWN if it is an internal switch. */ |
603349bf JM |
3544 | |
3545 | static void | |
3546 | save_switch (const char *opt, size_t n_args, const char *const *args, | |
d168aaee | 3547 | bool validated, bool known) |
603349bf JM |
3548 | { |
3549 | alloc_switch (); | |
3550 | switches[n_switches].part1 = opt + 1; | |
3551 | if (n_args == 0) | |
3552 | switches[n_switches].args = 0; | |
3553 | else | |
3554 | { | |
3555 | switches[n_switches].args = XNEWVEC (const char *, n_args + 1); | |
3556 | memcpy (switches[n_switches].args, args, n_args * sizeof (const char *)); | |
3557 | switches[n_switches].args[n_args] = NULL; | |
3558 | } | |
3559 | ||
3560 | switches[n_switches].live_cond = 0; | |
3561 | switches[n_switches].validated = validated; | |
d168aaee | 3562 | switches[n_switches].known = known; |
603349bf JM |
3563 | switches[n_switches].ordering = 0; |
3564 | n_switches++; | |
3565 | } | |
3566 | ||
15c98b2e ES |
3567 | /* Set the SOURCE_DATE_EPOCH environment variable to the current time if it is |
3568 | not set already. */ | |
3569 | ||
3570 | static void | |
3571 | set_source_date_epoch_envvar () | |
3572 | { | |
3573 | /* Array size is 21 = ceil(log_10(2^64)) + 1 to hold string representations | |
3574 | of 64 bit integers. */ | |
3575 | char source_date_epoch[21]; | |
3576 | time_t tt; | |
3577 | ||
3578 | errno = 0; | |
3579 | tt = time (NULL); | |
3580 | if (tt < (time_t) 0 || errno != 0) | |
3581 | tt = (time_t) 0; | |
3582 | ||
3583 | snprintf (source_date_epoch, 21, "%llu", (unsigned long long) tt); | |
3584 | /* Using setenv instead of xputenv because we want the variable to remain | |
3585 | after finalizing so that it's still set in the second run when using | |
3586 | -fcompare-debug. */ | |
3587 | setenv ("SOURCE_DATE_EPOCH", source_date_epoch, 0); | |
3588 | } | |
3589 | ||
603349bf | 3590 | /* Handle an option DECODED that is unknown to the option-processing |
66017846 | 3591 | machinery. */ |
603349bf JM |
3592 | |
3593 | static bool | |
3594 | driver_unknown_option_callback (const struct cl_decoded_option *decoded) | |
3595 | { | |
66017846 JM |
3596 | const char *opt = decoded->arg; |
3597 | if (opt[1] == 'W' && opt[2] == 'n' && opt[3] == 'o' && opt[4] == '-' | |
3598 | && !(decoded->errors & CL_ERR_NEGATIVE)) | |
3599 | { | |
3600 | /* Leave unknown -Wno-* options for the compiler proper, to be | |
3601 | diagnosed only if there are warnings. */ | |
3602 | save_switch (decoded->canonical_option[0], | |
3603 | decoded->canonical_option_num_elements - 1, | |
d168aaee CB |
3604 | &decoded->canonical_option[1], false, true); |
3605 | return false; | |
3606 | } | |
3607 | if (decoded->opt_index == OPT_SPECIAL_unknown) | |
3608 | { | |
026c3cfd | 3609 | /* Give it a chance to define it a spec file. */ |
d168aaee CB |
3610 | save_switch (decoded->canonical_option[0], |
3611 | decoded->canonical_option_num_elements - 1, | |
3612 | &decoded->canonical_option[1], false, false); | |
66017846 JM |
3613 | return false; |
3614 | } | |
3615 | else | |
3616 | return true; | |
603349bf JM |
3617 | } |
3618 | ||
3619 | /* Handle an option DECODED that is not marked as CL_DRIVER. | |
3620 | LANG_MASK will always be CL_DRIVER. */ | |
3621 | ||
3622 | static void | |
3623 | driver_wrong_lang_callback (const struct cl_decoded_option *decoded, | |
3624 | unsigned int lang_mask ATTRIBUTE_UNUSED) | |
3625 | { | |
3626 | /* At this point, non-driver options are accepted (and expected to | |
3627 | be passed down by specs) unless marked to be rejected by the | |
3628 | driver. Options to be rejected by the driver but accepted by the | |
3629 | compilers proper are treated just like completely unknown | |
3630 | options. */ | |
3631 | const struct cl_option *option = &cl_options[decoded->opt_index]; | |
3632 | ||
300d83d9 | 3633 | if (option->cl_reject_driver) |
603349bf JM |
3634 | error ("unrecognized command line option %qs", |
3635 | decoded->orig_option_with_args_text); | |
3636 | else | |
66017846 JM |
3637 | save_switch (decoded->canonical_option[0], |
3638 | decoded->canonical_option_num_elements - 1, | |
d168aaee | 3639 | &decoded->canonical_option[1], false, true); |
603349bf JM |
3640 | } |
3641 | ||
603349bf JM |
3642 | static const char *spec_lang = 0; |
3643 | static int last_language_n_infiles; | |
3644 | ||
c713ddc0 BS |
3645 | /* Parse -foffload option argument. */ |
3646 | ||
3647 | static void | |
3648 | handle_foffload_option (const char *arg) | |
3649 | { | |
3650 | const char *c, *cur, *n, *next, *end; | |
3651 | char *target; | |
3652 | ||
3653 | /* If option argument starts with '-' then no target is specified and we | |
3654 | do not need to parse it. */ | |
3655 | if (arg[0] == '-') | |
3656 | return; | |
3657 | ||
b08dec2f DH |
3658 | end = strchr (arg, '='); |
3659 | if (end == NULL) | |
3660 | end = strchr (arg, '\0'); | |
c713ddc0 BS |
3661 | cur = arg; |
3662 | ||
3663 | while (cur < end) | |
3664 | { | |
b08dec2f DH |
3665 | next = strchr (cur, ','); |
3666 | if (next == NULL) | |
191ec640 | 3667 | next = end; |
c713ddc0 BS |
3668 | next = (next > end) ? end : next; |
3669 | ||
3670 | target = XNEWVEC (char, next - cur + 1); | |
191ec640 | 3671 | memcpy (target, cur, next - cur); |
c713ddc0 BS |
3672 | target[next - cur] = '\0'; |
3673 | ||
3674 | /* If 'disable' is passed to the option, stop parsing the option and clean | |
3675 | the list of offload targets. */ | |
3676 | if (strcmp (target, "disable") == 0) | |
3677 | { | |
3678 | free (offload_targets); | |
3679 | offload_targets = xstrdup (""); | |
3680 | break; | |
3681 | } | |
3682 | ||
3683 | /* Check that GCC is configured to support the offload target. */ | |
3684 | c = OFFLOAD_TARGETS; | |
3685 | while (c) | |
3686 | { | |
b08dec2f DH |
3687 | n = strchr (c, ','); |
3688 | if (n == NULL) | |
3689 | n = strchr (c, '\0'); | |
c713ddc0 | 3690 | |
191ec640 | 3691 | if (next - cur == n - c && strncmp (target, c, n - c) == 0) |
c713ddc0 BS |
3692 | break; |
3693 | ||
3694 | c = *n ? n + 1 : NULL; | |
3695 | } | |
3696 | ||
3697 | if (!c) | |
40fecdd6 JM |
3698 | fatal_error (input_location, |
3699 | "GCC is not configured to support %s as offload target", | |
c713ddc0 BS |
3700 | target); |
3701 | ||
3702 | if (!offload_targets) | |
191ec640 IT |
3703 | { |
3704 | offload_targets = target; | |
3705 | target = NULL; | |
3706 | } | |
c713ddc0 BS |
3707 | else |
3708 | { | |
3709 | /* Check that the target hasn't already presented in the list. */ | |
3710 | c = offload_targets; | |
3711 | do | |
3712 | { | |
b08dec2f DH |
3713 | n = strchr (c, ':'); |
3714 | if (n == NULL) | |
3715 | n = strchr (c, '\0'); | |
c713ddc0 | 3716 | |
191ec640 | 3717 | if (next - cur == n - c && strncmp (c, target, n - c) == 0) |
c713ddc0 BS |
3718 | break; |
3719 | ||
3720 | c = n + 1; | |
3721 | } | |
3722 | while (*n); | |
3723 | ||
3724 | /* If duplicate is not found, append the target to the list. */ | |
3725 | if (c > n) | |
3726 | { | |
191ec640 | 3727 | size_t offload_targets_len = strlen (offload_targets); |
c713ddc0 BS |
3728 | offload_targets |
3729 | = XRESIZEVEC (char, offload_targets, | |
a9c23810 TS |
3730 | offload_targets_len + 1 + next - cur + 1); |
3731 | offload_targets[offload_targets_len++] = ':'; | |
3732 | memcpy (offload_targets + offload_targets_len, target, next - cur + 1); | |
c713ddc0 BS |
3733 | } |
3734 | } | |
3735 | ||
3736 | cur = next + 1; | |
3737 | XDELETEVEC (target); | |
3738 | } | |
3739 | } | |
3740 | ||
603349bf JM |
3741 | /* Handle a driver option; arguments and return value as for |
3742 | handle_option. */ | |
3743 | ||
3744 | static bool | |
46625112 | 3745 | driver_handle_option (struct gcc_options *opts, |
d4d24ba4 | 3746 | struct gcc_options *opts_set, |
46625112 | 3747 | const struct cl_decoded_option *decoded, |
603349bf | 3748 | unsigned int lang_mask ATTRIBUTE_UNUSED, int kind, |
a4d8c676 | 3749 | location_t loc, |
d5478783 JM |
3750 | const struct cl_option_handlers *handlers ATTRIBUTE_UNUSED, |
3751 | diagnostic_context *dc) | |
603349bf JM |
3752 | { |
3753 | size_t opt_index = decoded->opt_index; | |
3754 | const char *arg = decoded->arg; | |
3755 | const char *compare_debug_replacement_opt; | |
3756 | int value = decoded->value; | |
3757 | bool validated = false; | |
3758 | bool do_save = true; | |
3759 | ||
46625112 | 3760 | gcc_assert (opts == &global_options); |
d4d24ba4 | 3761 | gcc_assert (opts_set == &global_options_set); |
603349bf | 3762 | gcc_assert (kind == DK_UNSPECIFIED); |
a4d8c676 | 3763 | gcc_assert (loc == UNKNOWN_LOCATION); |
d5478783 | 3764 | gcc_assert (dc == global_dc); |
603349bf JM |
3765 | |
3766 | switch (opt_index) | |
3767 | { | |
3768 | case OPT_dumpspecs: | |
3769 | { | |
3770 | struct spec_list *sl; | |
3771 | init_spec (); | |
3772 | for (sl = specs; sl; sl = sl->next) | |
3773 | printf ("*%s:\n%s\n\n", sl->name, *(sl->ptr_spec)); | |
3774 | if (link_command_spec) | |
3775 | printf ("*link_command:\n%s\n\n", link_command_spec); | |
3776 | exit (0); | |
3777 | } | |
3778 | ||
3779 | case OPT_dumpversion: | |
3780 | printf ("%s\n", spec_version); | |
3781 | exit (0); | |
3782 | ||
3783 | case OPT_dumpmachine: | |
3784 | printf ("%s\n", spec_machine); | |
3785 | exit (0); | |
3786 | ||
3c36aa6b JJ |
3787 | case OPT_dumpfullversion: |
3788 | printf ("%s\n", BASEVER); | |
3789 | exit (0); | |
3790 | ||
e200444e | 3791 | case OPT__version: |
603349bf JM |
3792 | print_version = 1; |
3793 | ||
3794 | /* CPP driver cannot obtain switch from cc1_options. */ | |
3795 | if (is_cpp_driver) | |
3796 | add_preprocessor_option ("--version", strlen ("--version")); | |
3797 | add_assembler_option ("--version", strlen ("--version")); | |
3798 | add_linker_option ("--version", strlen ("--version")); | |
3799 | break; | |
3800 | ||
e200444e | 3801 | case OPT__help: |
603349bf JM |
3802 | print_help_list = 1; |
3803 | ||
3804 | /* CPP driver cannot obtain switch from cc1_options. */ | |
3805 | if (is_cpp_driver) | |
3806 | add_preprocessor_option ("--help", 6); | |
3807 | add_assembler_option ("--help", 6); | |
3808 | add_linker_option ("--help", 6); | |
3809 | break; | |
3810 | ||
e200444e | 3811 | case OPT__help_: |
603349bf JM |
3812 | print_subprocess_help = 2; |
3813 | break; | |
3814 | ||
e200444e | 3815 | case OPT__target_help: |
603349bf JM |
3816 | print_subprocess_help = 1; |
3817 | ||
3818 | /* CPP driver cannot obtain switch from cc1_options. */ | |
3819 | if (is_cpp_driver) | |
3820 | add_preprocessor_option ("--target-help", 13); | |
3821 | add_assembler_option ("--target-help", 13); | |
3822 | add_linker_option ("--target-help", 13); | |
3823 | break; | |
3824 | ||
28b4fc51 | 3825 | case OPT__no_sysroot_suffix: |
603349bf JM |
3826 | case OPT_pass_exit_codes: |
3827 | case OPT_print_search_dirs: | |
3828 | case OPT_print_file_name_: | |
3829 | case OPT_print_prog_name_: | |
3830 | case OPT_print_multi_lib: | |
3831 | case OPT_print_multi_directory: | |
3832 | case OPT_print_sysroot: | |
3833 | case OPT_print_multi_os_directory: | |
e0cdc09f | 3834 | case OPT_print_multiarch: |
603349bf JM |
3835 | case OPT_print_sysroot_headers_suffix: |
3836 | case OPT_time: | |
3837 | case OPT_wrapper: | |
3838 | /* These options set the variables specified in common.opt | |
3839 | automatically, and do not need to be saved for spec | |
3840 | processing. */ | |
3841 | do_save = false; | |
3842 | break; | |
3843 | ||
3844 | case OPT_print_libgcc_file_name: | |
3845 | print_file_name = "libgcc.a"; | |
3846 | do_save = false; | |
3847 | break; | |
3848 | ||
b78e932d L |
3849 | case OPT_fuse_ld_bfd: |
3850 | use_ld = ".bfd"; | |
3851 | break; | |
3852 | ||
3853 | case OPT_fuse_ld_gold: | |
3854 | use_ld = ".gold"; | |
3855 | break; | |
3856 | ||
603349bf JM |
3857 | case OPT_fcompare_debug_second: |
3858 | compare_debug_second = 1; | |
3859 | break; | |
3860 | ||
3861 | case OPT_fcompare_debug: | |
3862 | switch (value) | |
3863 | { | |
3864 | case 0: | |
3865 | compare_debug_replacement_opt = "-fcompare-debug="; | |
3866 | arg = ""; | |
3867 | goto compare_debug_with_arg; | |
3868 | ||
3869 | case 1: | |
3870 | compare_debug_replacement_opt = "-fcompare-debug=-gtoggle"; | |
3871 | arg = "-gtoggle"; | |
3872 | goto compare_debug_with_arg; | |
3873 | ||
3874 | default: | |
3875 | gcc_unreachable (); | |
3876 | } | |
3877 | break; | |
3878 | ||
3879 | case OPT_fcompare_debug_: | |
3880 | compare_debug_replacement_opt = decoded->canonical_option[0]; | |
3881 | compare_debug_with_arg: | |
3882 | gcc_assert (decoded->canonical_option_num_elements == 1); | |
3883 | gcc_assert (arg != NULL); | |
28c14a04 | 3884 | if (*arg) |
603349bf JM |
3885 | compare_debug = 1; |
3886 | else | |
3887 | compare_debug = -1; | |
3888 | if (compare_debug < 0) | |
3889 | compare_debug_opt = NULL; | |
3890 | else | |
3891 | compare_debug_opt = arg; | |
d168aaee | 3892 | save_switch (compare_debug_replacement_opt, 0, NULL, validated, true); |
15c98b2e | 3893 | set_source_date_epoch_envvar (); |
603349bf JM |
3894 | return true; |
3895 | ||
97aa8bb6 MLI |
3896 | case OPT_fdiagnostics_color_: |
3897 | diagnostic_color_init (dc, value); | |
3898 | break; | |
3899 | ||
603349bf JM |
3900 | case OPT_Wa_: |
3901 | { | |
3902 | int prev, j; | |
3903 | /* Pass the rest of this option to the assembler. */ | |
3904 | ||
3905 | /* Split the argument at commas. */ | |
3906 | prev = 0; | |
3907 | for (j = 0; arg[j]; j++) | |
3908 | if (arg[j] == ',') | |
3909 | { | |
3910 | add_assembler_option (arg + prev, j - prev); | |
3911 | prev = j + 1; | |
3912 | } | |
3913 | ||
3914 | /* Record the part after the last comma. */ | |
3915 | add_assembler_option (arg + prev, j - prev); | |
3916 | } | |
3917 | do_save = false; | |
3918 | break; | |
3919 | ||
3920 | case OPT_Wp_: | |
3921 | { | |
3922 | int prev, j; | |
3923 | /* Pass the rest of this option to the preprocessor. */ | |
3924 | ||
3925 | /* Split the argument at commas. */ | |
3926 | prev = 0; | |
3927 | for (j = 0; arg[j]; j++) | |
3928 | if (arg[j] == ',') | |
3929 | { | |
3930 | add_preprocessor_option (arg + prev, j - prev); | |
3931 | prev = j + 1; | |
3932 | } | |
3933 | ||
3934 | /* Record the part after the last comma. */ | |
3935 | add_preprocessor_option (arg + prev, j - prev); | |
3936 | } | |
3937 | do_save = false; | |
3938 | break; | |
3939 | ||
3940 | case OPT_Wl_: | |
3941 | { | |
3942 | int prev, j; | |
3943 | /* Split the argument at commas. */ | |
3944 | prev = 0; | |
3945 | for (j = 0; arg[j]; j++) | |
3946 | if (arg[j] == ',') | |
3947 | { | |
3948 | add_infile (save_string (arg + prev, j - prev), "*"); | |
3949 | prev = j + 1; | |
3950 | } | |
3951 | /* Record the part after the last comma. */ | |
3952 | add_infile (arg + prev, "*"); | |
3953 | } | |
3954 | do_save = false; | |
3955 | break; | |
3956 | ||
3957 | case OPT_Xlinker: | |
3958 | add_infile (arg, "*"); | |
3959 | do_save = false; | |
3960 | break; | |
3961 | ||
3962 | case OPT_Xpreprocessor: | |
3963 | add_preprocessor_option (arg, strlen (arg)); | |
3964 | do_save = false; | |
3965 | break; | |
3966 | ||
3967 | case OPT_Xassembler: | |
3968 | add_assembler_option (arg, strlen (arg)); | |
3969 | do_save = false; | |
3970 | break; | |
3971 | ||
3972 | case OPT_l: | |
3973 | /* POSIX allows separation of -l and the lib arg; canonicalize | |
3974 | by concatenating -l with its arg */ | |
3975 | add_infile (concat ("-l", arg, NULL), "*"); | |
3976 | do_save = false; | |
3977 | break; | |
3978 | ||
5de8299c JM |
3979 | case OPT_L: |
3980 | /* Similarly, canonicalize -L for linkers that may not accept | |
3981 | separate arguments. */ | |
d168aaee | 3982 | save_switch (concat ("-L", arg, NULL), 0, NULL, validated, true); |
5de8299c JM |
3983 | return true; |
3984 | ||
a350a6c8 IS |
3985 | case OPT_F: |
3986 | /* Likewise -F. */ | |
d168aaee | 3987 | save_switch (concat ("-F", arg, NULL), 0, NULL, validated, true); |
a350a6c8 IS |
3988 | return true; |
3989 | ||
603349bf JM |
3990 | case OPT_save_temps: |
3991 | save_temps_flag = SAVE_TEMPS_CWD; | |
3992 | validated = true; | |
3993 | break; | |
3994 | ||
3995 | case OPT_save_temps_: | |
3996 | if (strcmp (arg, "cwd") == 0) | |
3997 | save_temps_flag = SAVE_TEMPS_CWD; | |
3998 | else if (strcmp (arg, "obj") == 0 | |
3999 | || strcmp (arg, "object") == 0) | |
4000 | save_temps_flag = SAVE_TEMPS_OBJ; | |
4001 | else | |
40fecdd6 | 4002 | fatal_error (input_location, "%qs is an unknown -save-temps option", |
603349bf JM |
4003 | decoded->orig_option_with_args_text); |
4004 | break; | |
4005 | ||
4006 | case OPT_no_canonical_prefixes: | |
4007 | /* Already handled as a special case, so ignored here. */ | |
4008 | do_save = false; | |
4009 | break; | |
4010 | ||
4011 | case OPT_pipe: | |
4012 | validated = true; | |
603349bf JM |
4013 | /* These options set the variables specified in common.opt |
4014 | automatically, but do need to be saved for spec | |
4015 | processing. */ | |
4016 | break; | |
4017 | ||
603349bf JM |
4018 | case OPT_specs_: |
4019 | { | |
4020 | struct user_specs *user = XNEW (struct user_specs); | |
4021 | ||
4022 | user->next = (struct user_specs *) 0; | |
4023 | user->filename = arg; | |
4024 | if (user_specs_tail) | |
4025 | user_specs_tail->next = user; | |
4026 | else | |
4027 | user_specs_head = user; | |
4028 | user_specs_tail = user; | |
4029 | } | |
d168aaee | 4030 | validated = true; |
603349bf JM |
4031 | break; |
4032 | ||
4033 | case OPT__sysroot_: | |
4034 | target_system_root = arg; | |
4035 | target_system_root_changed = 1; | |
4036 | do_save = false; | |
4037 | break; | |
4038 | ||
4039 | case OPT_time_: | |
4040 | if (report_times_to_file) | |
4041 | fclose (report_times_to_file); | |
4042 | report_times_to_file = fopen (arg, "a"); | |
4043 | do_save = false; | |
4044 | break; | |
4045 | ||
4046 | case OPT____: | |
4047 | /* "-###" | |
4048 | This is similar to -v except that there is no execution | |
4049 | of the commands and the echoed arguments are quoted. It | |
4050 | is intended for use in shell scripts to capture the | |
4051 | driver-generated command line. */ | |
4052 | verbose_only_flag++; | |
d5478783 | 4053 | verbose_flag = 1; |
603349bf JM |
4054 | do_save = false; |
4055 | break; | |
4056 | ||
4057 | case OPT_B: | |
4058 | { | |
4059 | size_t len = strlen (arg); | |
4060 | ||
4061 | /* Catch the case where the user has forgotten to append a | |
4062 | directory separator to the path. Note, they may be using | |
4063 | -B to add an executable name prefix, eg "i386-elf-", in | |
4064 | order to distinguish between multiple installations of | |
4065 | GCC in the same directory. Hence we must check to see | |
4066 | if appending a directory separator actually makes a | |
4067 | valid directory name. */ | |
4068 | if (!IS_DIR_SEPARATOR (arg[len - 1]) | |
4069 | && is_directory (arg, false)) | |
4070 | { | |
4071 | char *tmp = XNEWVEC (char, len + 2); | |
4072 | strcpy (tmp, arg); | |
4073 | tmp[len] = DIR_SEPARATOR; | |
4074 | tmp[++len] = 0; | |
4075 | arg = tmp; | |
4076 | } | |
4077 | ||
4078 | add_prefix (&exec_prefixes, arg, NULL, | |
4079 | PREFIX_PRIORITY_B_OPT, 0, 0); | |
4080 | add_prefix (&startfile_prefixes, arg, NULL, | |
4081 | PREFIX_PRIORITY_B_OPT, 0, 0); | |
4082 | add_prefix (&include_prefixes, arg, NULL, | |
4083 | PREFIX_PRIORITY_B_OPT, 0, 0); | |
4084 | } | |
4085 | validated = true; | |
4086 | break; | |
4087 | ||
7e8400e2 ML |
4088 | case OPT_E: |
4089 | have_E = true; | |
4090 | break; | |
4091 | ||
603349bf JM |
4092 | case OPT_x: |
4093 | spec_lang = arg; | |
4094 | if (!strcmp (spec_lang, "none")) | |
4095 | /* Suppress the warning if -xnone comes after the last input | |
4096 | file, because alternate command interfaces like g++ might | |
4097 | find it useful to place -xnone after each input file. */ | |
4098 | spec_lang = 0; | |
4099 | else | |
4100 | last_language_n_infiles = n_infiles; | |
4101 | do_save = false; | |
4102 | break; | |
4103 | ||
603349bf JM |
4104 | case OPT_o: |
4105 | have_o = 1; | |
4106 | #if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) || defined(HAVE_TARGET_OBJECT_SUFFIX) | |
4107 | arg = convert_filename (arg, ! have_c, 0); | |
4108 | #endif | |
3d00119c | 4109 | output_file = arg; |
603349bf JM |
4110 | /* Save the output name in case -save-temps=obj was used. */ |
4111 | save_temps_prefix = xstrdup (arg); | |
4112 | /* On some systems, ld cannot handle "-o" without a space. So | |
4113 | split the option from its argument. */ | |
d168aaee | 4114 | save_switch ("-o", 1, &arg, validated, true); |
603349bf JM |
4115 | return true; |
4116 | ||
4115076d L |
4117 | #ifdef ENABLE_DEFAULT_PIE |
4118 | case OPT_pie: | |
4119 | /* -pie is turned on by default. */ | |
4120 | #endif | |
4121 | ||
603349bf JM |
4122 | case OPT_static_libgcc: |
4123 | case OPT_shared_libgcc: | |
4124 | case OPT_static_libgfortran: | |
4125 | case OPT_static_libstdc__: | |
4126 | /* These are always valid, since gcc.c itself understands the | |
4127 | first two, gfortranspec.c understands -static-libgfortran and | |
4128 | g++spec.c understands -static-libstdc++ */ | |
4129 | validated = true; | |
4130 | break; | |
4131 | ||
f300e7b8 JH |
4132 | case OPT_fwpa: |
4133 | flag_wpa = ""; | |
4134 | break; | |
4135 | ||
c713ddc0 BS |
4136 | case OPT_foffload_: |
4137 | handle_foffload_option (arg); | |
4138 | break; | |
4139 | ||
603349bf | 4140 | default: |
d9d16a19 JM |
4141 | /* Various driver options need no special processing at this |
4142 | point, having been handled in a prescan above or being | |
4143 | handled by specs. */ | |
4144 | break; | |
603349bf JM |
4145 | } |
4146 | ||
4147 | if (do_save) | |
4148 | save_switch (decoded->canonical_option[0], | |
4149 | decoded->canonical_option_num_elements - 1, | |
d168aaee | 4150 | &decoded->canonical_option[1], validated, true); |
603349bf JM |
4151 | return true; |
4152 | } | |
4153 | ||
efe5e5a0 JM |
4154 | /* Put the driver's standard set of option handlers in *HANDLERS. */ |
4155 | ||
4156 | static void | |
4157 | set_option_handlers (struct cl_option_handlers *handlers) | |
4158 | { | |
4159 | handlers->unknown_option_callback = driver_unknown_option_callback; | |
4160 | handlers->wrong_lang_callback = driver_wrong_lang_callback; | |
a7d0d30f | 4161 | handlers->num_handlers = 3; |
efe5e5a0 JM |
4162 | handlers->handlers[0].handler = driver_handle_option; |
4163 | handlers->handlers[0].mask = CL_DRIVER; | |
a7d0d30f JM |
4164 | handlers->handlers[1].handler = common_handle_option; |
4165 | handlers->handlers[1].mask = CL_COMMON; | |
4166 | handlers->handlers[2].handler = target_handle_option; | |
4167 | handlers->handlers[2].mask = CL_TARGET; | |
efe5e5a0 JM |
4168 | } |
4169 | ||
ed1f651b RS |
4170 | /* Create the vector `switches' and its contents. |
4171 | Store its length in `n_switches'. */ | |
4172 | ||
4173 | static void | |
60cf253a JM |
4174 | process_command (unsigned int decoded_options_count, |
4175 | struct cl_decoded_option *decoded_options) | |
ed1f651b | 4176 | { |
878f32c3 KG |
4177 | const char *temp; |
4178 | char *temp1; | |
fc429b48 | 4179 | char *tooldir_prefix, *tooldir_prefix2; |
ba0c638e SB |
4180 | char *(*get_relative_prefix) (const char *, const char *, |
4181 | const char *) = NULL; | |
603349bf | 4182 | struct cl_option_handlers handlers; |
60cf253a | 4183 | unsigned int j; |
ed1f651b | 4184 | |
9376dd63 | 4185 | gcc_exec_prefix = env.get ("GCC_EXEC_PREFIX"); |
8eebb258 | 4186 | |
ed1f651b RS |
4187 | n_switches = 0; |
4188 | n_infiles = 0; | |
a2a05b0a | 4189 | added_libraries = 0; |
2484b6d2 | 4190 | |
53117a2f RK |
4191 | /* Figure compiler version from version string. */ |
4192 | ||
9218435e | 4193 | compiler_version = temp1 = xstrdup (version_string); |
ad85216e | 4194 | |
878f32c3 | 4195 | for (; *temp1; ++temp1) |
53117a2f | 4196 | { |
878f32c3 | 4197 | if (*temp1 == ' ') |
53117a2f | 4198 | { |
878f32c3 | 4199 | *temp1 = '\0'; |
53117a2f RK |
4200 | break; |
4201 | } | |
4202 | } | |
ed1f651b | 4203 | |
ba0c638e SB |
4204 | /* Handle any -no-canonical-prefixes flag early, to assign the function |
4205 | that builds relative prefixes. This function creates default search | |
4206 | paths that are needed later in normal option handling. */ | |
4207 | ||
e200444e | 4208 | for (j = 1; j < decoded_options_count; j++) |
ba0c638e | 4209 | { |
e200444e | 4210 | if (decoded_options[j].opt_index == OPT_no_canonical_prefixes) |
ba0c638e SB |
4211 | { |
4212 | get_relative_prefix = make_relative_prefix_ignore_links; | |
4213 | break; | |
4214 | } | |
4215 | } | |
4216 | if (! get_relative_prefix) | |
4217 | get_relative_prefix = make_relative_prefix; | |
4218 | ||
0deb20df | 4219 | /* Set up the default search paths. If there is no GCC_EXEC_PREFIX, |
60cf253a JM |
4220 | see if we can create it from the pathname specified in |
4221 | decoded_options[0].arg. */ | |
0deb20df | 4222 | |
a8ee6e2d | 4223 | gcc_libexec_prefix = standard_libexec_prefix; |
0deb20df TT |
4224 | #ifndef VMS |
4225 | /* FIXME: make_relative_prefix doesn't yet work for VMS. */ | |
4226 | if (!gcc_exec_prefix) | |
4227 | { | |
60cf253a | 4228 | gcc_exec_prefix = get_relative_prefix (decoded_options[0].arg, |
ba0c638e SB |
4229 | standard_bindir_prefix, |
4230 | standard_exec_prefix); | |
60cf253a | 4231 | gcc_libexec_prefix = get_relative_prefix (decoded_options[0].arg, |
ba0c638e SB |
4232 | standard_bindir_prefix, |
4233 | standard_libexec_prefix); | |
0deb20df | 4234 | if (gcc_exec_prefix) |
47d33318 | 4235 | xputenv (concat ("GCC_EXEC_PREFIX=", gcc_exec_prefix, NULL)); |
0deb20df | 4236 | } |
a8ee6e2d | 4237 | else |
c7370b83 JM |
4238 | { |
4239 | /* make_relative_prefix requires a program name, but | |
4240 | GCC_EXEC_PREFIX is typically a directory name with a trailing | |
4241 | / (which is ignored by make_relative_prefix), so append a | |
4242 | program name. */ | |
4243 | char *tmp_prefix = concat (gcc_exec_prefix, "gcc", NULL); | |
ba0c638e SB |
4244 | gcc_libexec_prefix = get_relative_prefix (tmp_prefix, |
4245 | standard_exec_prefix, | |
4246 | standard_libexec_prefix); | |
f4c0a303 CD |
4247 | |
4248 | /* The path is unrelocated, so fallback to the original setting. */ | |
4249 | if (!gcc_libexec_prefix) | |
4250 | gcc_libexec_prefix = standard_libexec_prefix; | |
4251 | ||
c7370b83 JM |
4252 | free (tmp_prefix); |
4253 | } | |
a8ee6e2d | 4254 | #else |
0deb20df | 4255 | #endif |
f4c0a303 CD |
4256 | /* From this point onward, gcc_exec_prefix is non-null if the toolchain |
4257 | is relocated. The toolchain was either relocated using GCC_EXEC_PREFIX | |
60cf253a JM |
4258 | or an automatically created GCC_EXEC_PREFIX from |
4259 | decoded_options[0].arg. */ | |
ed1f651b | 4260 | |
a288b143 | 4261 | /* Do language-specific adjustment/addition of flags. */ |
d9d16a19 | 4262 | lang_specific_driver (&decoded_options, &decoded_options_count, |
a288b143 AH |
4263 | &added_libraries); |
4264 | ||
8eebb258 | 4265 | if (gcc_exec_prefix) |
ed1f651b | 4266 | { |
6ed4bb9a | 4267 | int len = strlen (gcc_exec_prefix); |
c5c0b3d9 | 4268 | |
a8ee6e2d | 4269 | if (len > (int) sizeof ("/lib/gcc/") - 1 |
509781a4 | 4270 | && (IS_DIR_SEPARATOR (gcc_exec_prefix[len-1]))) |
6ed4bb9a | 4271 | { |
a8ee6e2d | 4272 | temp = gcc_exec_prefix + len - sizeof ("/lib/gcc/") + 1; |
509781a4 | 4273 | if (IS_DIR_SEPARATOR (*temp) |
ba78087b | 4274 | && filename_ncmp (temp + 1, "lib", 3) == 0 |
509781a4 | 4275 | && IS_DIR_SEPARATOR (temp[4]) |
ba78087b | 4276 | && filename_ncmp (temp + 5, "gcc", 3) == 0) |
a8ee6e2d | 4277 | len -= sizeof ("/lib/gcc/") - 1; |
6ed4bb9a MM |
4278 | } |
4279 | ||
4280 | set_std_prefix (gcc_exec_prefix, len); | |
a8ee6e2d | 4281 | add_prefix (&exec_prefixes, gcc_libexec_prefix, "GCC", |
1a5d37a1 | 4282 | PREFIX_PRIORITY_LAST, 0, 0); |
922a4beb | 4283 | add_prefix (&startfile_prefixes, gcc_exec_prefix, "GCC", |
1a5d37a1 | 4284 | PREFIX_PRIORITY_LAST, 0, 0); |
ed1f651b RS |
4285 | } |
4286 | ||
4287 | /* COMPILER_PATH and LIBRARY_PATH have values | |
4288 | that are lists of directory names with colons. */ | |
4289 | ||
9376dd63 | 4290 | temp = env.get ("COMPILER_PATH"); |
ed1f651b RS |
4291 | if (temp) |
4292 | { | |
878f32c3 | 4293 | const char *startp, *endp; |
e1e4cdc4 | 4294 | char *nstore = (char *) alloca (strlen (temp) + 3); |
ed1f651b RS |
4295 | |
4296 | startp = endp = temp; | |
4297 | while (1) | |
4298 | { | |
f6ec7e54 | 4299 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b | 4300 | { |
d25a45d4 | 4301 | strncpy (nstore, startp, endp - startp); |
ed1f651b | 4302 | if (endp == startp) |
d4f2852f | 4303 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
509781a4 | 4304 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
ed1f651b | 4305 | { |
d25a45d4 KH |
4306 | nstore[endp - startp] = DIR_SEPARATOR; |
4307 | nstore[endp - startp + 1] = 0; | |
ed1f651b RS |
4308 | } |
4309 | else | |
d25a45d4 | 4310 | nstore[endp - startp] = 0; |
922a4beb | 4311 | add_prefix (&exec_prefixes, nstore, 0, |
1a5d37a1 | 4312 | PREFIX_PRIORITY_LAST, 0, 0); |
76391e5a | 4313 | add_prefix (&include_prefixes, nstore, 0, |
1a5d37a1 | 4314 | PREFIX_PRIORITY_LAST, 0, 0); |
ed1f651b RS |
4315 | if (*endp == 0) |
4316 | break; | |
4317 | endp = startp = endp + 1; | |
4318 | } | |
4319 | else | |
4320 | endp++; | |
4321 | } | |
4322 | } | |
4323 | ||
9376dd63 | 4324 | temp = env.get (LIBRARY_PATH_ENV); |
fcc9ad83 | 4325 | if (temp && *cross_compile == '0') |
ed1f651b | 4326 | { |
878f32c3 | 4327 | const char *startp, *endp; |
e1e4cdc4 | 4328 | char *nstore = (char *) alloca (strlen (temp) + 3); |
ed1f651b RS |
4329 | |
4330 | startp = endp = temp; | |
4331 | while (1) | |
4332 | { | |
f6ec7e54 | 4333 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b | 4334 | { |
d25a45d4 | 4335 | strncpy (nstore, startp, endp - startp); |
ed1f651b | 4336 | if (endp == startp) |
d4f2852f | 4337 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
509781a4 | 4338 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
ed1f651b | 4339 | { |
d25a45d4 KH |
4340 | nstore[endp - startp] = DIR_SEPARATOR; |
4341 | nstore[endp - startp + 1] = 0; | |
ed1f651b RS |
4342 | } |
4343 | else | |
d25a45d4 | 4344 | nstore[endp - startp] = 0; |
6496a589 | 4345 | add_prefix (&startfile_prefixes, nstore, NULL, |
1a5d37a1 | 4346 | PREFIX_PRIORITY_LAST, 0, 1); |
ed1f651b RS |
4347 | if (*endp == 0) |
4348 | break; | |
4349 | endp = startp = endp + 1; | |
4350 | } | |
4351 | else | |
4352 | endp++; | |
4353 | } | |
4354 | } | |
4355 | ||
4356 | /* Use LPATH like LIBRARY_PATH (for the CMU build program). */ | |
9376dd63 | 4357 | temp = env.get ("LPATH"); |
fcc9ad83 | 4358 | if (temp && *cross_compile == '0') |
ed1f651b | 4359 | { |
878f32c3 | 4360 | const char *startp, *endp; |
e1e4cdc4 | 4361 | char *nstore = (char *) alloca (strlen (temp) + 3); |
ed1f651b RS |
4362 | |
4363 | startp = endp = temp; | |
4364 | while (1) | |
4365 | { | |
f6ec7e54 | 4366 | if (*endp == PATH_SEPARATOR || *endp == 0) |
ed1f651b | 4367 | { |
d25a45d4 | 4368 | strncpy (nstore, startp, endp - startp); |
ed1f651b | 4369 | if (endp == startp) |
d4f2852f | 4370 | strcpy (nstore, concat (".", dir_separator_str, NULL)); |
509781a4 | 4371 | else if (!IS_DIR_SEPARATOR (endp[-1])) |
ed1f651b | 4372 | { |
d25a45d4 KH |
4373 | nstore[endp - startp] = DIR_SEPARATOR; |
4374 | nstore[endp - startp + 1] = 0; | |
ed1f651b RS |
4375 | } |
4376 | else | |
d25a45d4 | 4377 | nstore[endp - startp] = 0; |
6496a589 | 4378 | add_prefix (&startfile_prefixes, nstore, NULL, |
1a5d37a1 | 4379 | PREFIX_PRIORITY_LAST, 0, 1); |
ed1f651b RS |
4380 | if (*endp == 0) |
4381 | break; | |
4382 | endp = startp = endp + 1; | |
4383 | } | |
4384 | else | |
4385 | endp++; | |
4386 | } | |
4387 | } | |
4388 | ||
922e1882 JM |
4389 | /* Process the options and store input files and switches in their |
4390 | vectors. */ | |
4391 | ||
4392 | last_language_n_infiles = -1; | |
ed1f651b | 4393 | |
efe5e5a0 | 4394 | set_option_handlers (&handlers); |
fe7df9c4 | 4395 | |
603349bf JM |
4396 | for (j = 1; j < decoded_options_count; j++) |
4397 | { | |
4398 | switch (decoded_options[j].opt_index) | |
99f78cdd | 4399 | { |
603349bf JM |
4400 | case OPT_S: |
4401 | case OPT_c: | |
4402 | case OPT_E: | |
4403 | have_c = 1; | |
4404 | break; | |
99f78cdd | 4405 | } |
603349bf JM |
4406 | if (have_c) |
4407 | break; | |
4408 | } | |
ed1f651b | 4409 | |
603349bf JM |
4410 | for (j = 1; j < decoded_options_count; j++) |
4411 | { | |
4412 | if (decoded_options[j].opt_index == OPT_SPECIAL_input_file) | |
3a265431 | 4413 | { |
603349bf JM |
4414 | const char *arg = decoded_options[j].arg; |
4415 | const char *p = strrchr (arg, '@'); | |
922e1882 JM |
4416 | char *fname; |
4417 | long offset; | |
4418 | int consumed; | |
4419 | #ifdef HAVE_TARGET_OBJECT_SUFFIX | |
603349bf | 4420 | arg = convert_filename (arg, 0, access (arg, F_OK)); |
922e1882 JM |
4421 | #endif |
4422 | /* For LTO static archive support we handle input file | |
4423 | specifications that are composed of a filename and | |
4424 | an offset like FNAME@OFFSET. */ | |
4425 | if (p | |
603349bf | 4426 | && p != arg |
922e1882 JM |
4427 | && sscanf (p, "@%li%n", &offset, &consumed) >= 1 |
4428 | && strlen (p) == (unsigned int)consumed) | |
4429 | { | |
603349bf JM |
4430 | fname = (char *)xmalloc (p - arg + 1); |
4431 | memcpy (fname, arg, p - arg); | |
4432 | fname[p - arg] = '\0'; | |
922e1882 JM |
4433 | /* Only accept non-stdin and existing FNAME parts, otherwise |
4434 | try with the full name. */ | |
4435 | if (strcmp (fname, "-") == 0 || access (fname, F_OK) < 0) | |
4436 | { | |
4437 | free (fname); | |
603349bf | 4438 | fname = xstrdup (arg); |
922e1882 JM |
4439 | } |
4440 | } | |
4441 | else | |
603349bf | 4442 | fname = xstrdup (arg); |
d168aaee | 4443 | |
922e1882 | 4444 | if (strcmp (fname, "-") != 0 && access (fname, F_OK) < 0) |
b2861325 PG |
4445 | { |
4446 | if (fname[0] == '@' && access (fname + 1, F_OK) < 0) | |
4447 | perror_with_name (fname + 1); | |
4448 | else | |
4449 | perror_with_name (fname); | |
4450 | } | |
922e1882 | 4451 | else |
603349bf | 4452 | add_infile (arg, spec_lang); |
922e1882 JM |
4453 | |
4454 | free (fname); | |
603349bf | 4455 | continue; |
3a265431 | 4456 | } |
603349bf | 4457 | |
d4d24ba4 | 4458 | read_cmdline_option (&global_options, &global_options_set, |
a4d8c676 JM |
4459 | decoded_options + j, UNKNOWN_LOCATION, |
4460 | CL_DRIVER, &handlers, global_dc); | |
ed1f651b RS |
4461 | } |
4462 | ||
64186aad TS |
4463 | /* If the user didn't specify any, default to all configured offload |
4464 | targets. */ | |
1d899da2 | 4465 | if (ENABLE_OFFLOADING && offload_targets == NULL) |
64186aad | 4466 | handle_foffload_option (OFFLOAD_TARGETS); |
64186aad | 4467 | |
92c66d83 MLI |
4468 | if (output_file |
4469 | && strcmp (output_file, "-") != 0 | |
4470 | && strcmp (output_file, HOST_BIT_BUCKET) != 0) | |
3d00119c AB |
4471 | { |
4472 | int i; | |
4473 | for (i = 0; i < n_infiles; i++) | |
4474 | if ((!infiles[i].language || infiles[i].language[0] != '*') | |
4475 | && canonical_filename_eq (infiles[i].name, output_file)) | |
40fecdd6 JM |
4476 | fatal_error (input_location, |
4477 | "input file %qs is the same as output file", | |
3d00119c AB |
4478 | output_file); |
4479 | } | |
4480 | ||
51160482 ML |
4481 | if (output_file != NULL && output_file[0] == '\0') |
4482 | fatal_error (input_location, "output filename may not be empty"); | |
4483 | ||
14fdc613 MM |
4484 | /* If -save-temps=obj and -o name, create the prefix to use for %b. |
4485 | Otherwise just make -save-temps=obj the same as -save-temps=cwd. */ | |
4486 | if (save_temps_flag == SAVE_TEMPS_OBJ && save_temps_prefix != NULL) | |
4487 | { | |
4488 | save_temps_length = strlen (save_temps_prefix); | |
4489 | temp = strrchr (lbasename (save_temps_prefix), '.'); | |
4490 | if (temp) | |
4491 | { | |
4492 | save_temps_length -= strlen (temp); | |
4493 | save_temps_prefix[save_temps_length] = '\0'; | |
4494 | } | |
4495 | ||
4496 | } | |
4497 | else if (save_temps_prefix != NULL) | |
4498 | { | |
4499 | free (save_temps_prefix); | |
4500 | save_temps_prefix = NULL; | |
4501 | } | |
4502 | ||
054e88a8 | 4503 | if (save_temps_flag && use_pipes) |
4977bab6 ZW |
4504 | { |
4505 | /* -save-temps overrides -pipe, so that temp files are produced */ | |
4506 | if (save_temps_flag) | |
2dec80c7 | 4507 | warning (0, "-pipe ignored because -save-temps specified"); |
4977bab6 ZW |
4508 | use_pipes = 0; |
4509 | } | |
1d088dee | 4510 | |
2153915d AO |
4511 | if (!compare_debug) |
4512 | { | |
9376dd63 | 4513 | const char *gcd = env.get ("GCC_COMPARE_DEBUG"); |
2153915d AO |
4514 | |
4515 | if (gcd && gcd[0] == '-') | |
4516 | { | |
4517 | compare_debug = 2; | |
4518 | compare_debug_opt = gcd; | |
2153915d AO |
4519 | } |
4520 | else if (gcd && *gcd && strcmp (gcd, "0")) | |
4521 | { | |
4522 | compare_debug = 3; | |
4523 | compare_debug_opt = "-gtoggle"; | |
2153915d AO |
4524 | } |
4525 | } | |
4526 | else if (compare_debug < 0) | |
4527 | { | |
4528 | compare_debug = 0; | |
4529 | gcc_assert (!compare_debug_opt); | |
4530 | } | |
4531 | ||
f4c0a303 CD |
4532 | /* Set up the search paths. We add directories that we expect to |
4533 | contain GNU Toolchain components before directories specified by | |
4534 | the machine description so that we will find GNU components (like | |
b8698a0f | 4535 | the GNU assembler) before those of the host system. */ |
ed1f651b | 4536 | |
f4c0a303 CD |
4537 | /* If we don't know where the toolchain has been installed, use the |
4538 | configured-in locations. */ | |
4539 | if (!gcc_exec_prefix) | |
4540 | { | |
48ff801b | 4541 | #ifndef OS2 |
f4c0a303 CD |
4542 | add_prefix (&exec_prefixes, standard_libexec_prefix, "GCC", |
4543 | PREFIX_PRIORITY_LAST, 1, 0); | |
4544 | add_prefix (&exec_prefixes, standard_libexec_prefix, "BINUTILS", | |
4545 | PREFIX_PRIORITY_LAST, 2, 0); | |
4546 | add_prefix (&exec_prefixes, standard_exec_prefix, "BINUTILS", | |
4547 | PREFIX_PRIORITY_LAST, 2, 0); | |
48ff801b | 4548 | #endif |
f4c0a303 CD |
4549 | add_prefix (&startfile_prefixes, standard_exec_prefix, "BINUTILS", |
4550 | PREFIX_PRIORITY_LAST, 1, 0); | |
4551 | } | |
ed1f651b | 4552 | |
f4c0a303 | 4553 | gcc_assert (!IS_ABSOLUTE_PATH (tooldir_base_prefix)); |
89f54035 | 4554 | tooldir_prefix2 = concat (tooldir_base_prefix, spec_machine, |
fc429b48 | 4555 | dir_separator_str, NULL); |
c648ab8a | 4556 | |
f4c0a303 CD |
4557 | /* Look for tools relative to the location from which the driver is |
4558 | running, or, if that is not available, the configured prefix. */ | |
4559 | tooldir_prefix | |
4560 | = concat (gcc_exec_prefix ? gcc_exec_prefix : standard_exec_prefix, | |
fc8b3540 IV |
4561 | spec_host_machine, dir_separator_str, spec_version, |
4562 | accel_dir_suffix, dir_separator_str, tooldir_prefix2, NULL); | |
fc429b48 | 4563 | free (tooldir_prefix2); |
c648ab8a | 4564 | |
9218435e | 4565 | add_prefix (&exec_prefixes, |
d4f2852f | 4566 | concat (tooldir_prefix, "bin", dir_separator_str, NULL), |
1a5d37a1 | 4567 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, 0); |
48ff801b | 4568 | add_prefix (&startfile_prefixes, |
d4f2852f | 4569 | concat (tooldir_prefix, "lib", dir_separator_str, NULL), |
1a5d37a1 | 4570 | "BINUTILS", PREFIX_PRIORITY_LAST, 0, 1); |
fc429b48 | 4571 | free (tooldir_prefix); |
f18fd956 | 4572 | |
047d636f DJ |
4573 | #if defined(TARGET_SYSTEM_ROOT_RELOCATABLE) && !defined(VMS) |
4574 | /* If the normal TARGET_SYSTEM_ROOT is inside of $exec_prefix, | |
4575 | then consider it to relocate with the rest of the GCC installation | |
4576 | if GCC_EXEC_PREFIX is set. | |
4577 | ``make_relative_prefix'' is not compiled for VMS, so don't call it. */ | |
922e1882 | 4578 | if (target_system_root && !target_system_root_changed && gcc_exec_prefix) |
4977bab6 | 4579 | { |
60cf253a | 4580 | char *tmp_prefix = get_relative_prefix (decoded_options[0].arg, |
ba0c638e SB |
4581 | standard_bindir_prefix, |
4582 | target_system_root); | |
4977bab6 | 4583 | if (tmp_prefix && access_check (tmp_prefix, F_OK) == 0) |
047d636f DJ |
4584 | { |
4585 | target_system_root = tmp_prefix; | |
4586 | target_system_root_changed = 1; | |
4587 | } | |
4977bab6 | 4588 | } |
047d636f | 4589 | #endif |
4977bab6 | 4590 | |
004fd4d5 RS |
4591 | /* More prefixes are enabled in main, after we read the specs file |
4592 | and determine whether this is cross-compilation or not. */ | |
ed1f651b | 4593 | |
fa0d5369 | 4594 | if (n_infiles == last_language_n_infiles && spec_lang != 0) |
bdc6b402 | 4595 | warning (0, "%<-x %s%> after last input file has no effect", spec_lang); |
ed1f651b | 4596 | |
3ad2d621 DG |
4597 | /* Synthesize -fcompare-debug flag from the GCC_COMPARE_DEBUG |
4598 | environment variable. */ | |
2153915d AO |
4599 | if (compare_debug == 2 || compare_debug == 3) |
4600 | { | |
3ad2d621 DG |
4601 | const char *opt = concat ("-fcompare-debug=", compare_debug_opt, NULL); |
4602 | save_switch (opt, 0, NULL, false, true); | |
2153915d AO |
4603 | compare_debug = 1; |
4604 | } | |
4605 | ||
69927b59 | 4606 | /* Ensure we only invoke each subprocess once. */ |
41fd0f9b | 4607 | if (print_subprocess_help || print_help_list || print_version) |
69927b59 | 4608 | { |
922e1882 | 4609 | n_infiles = 0; |
69927b59 | 4610 | |
c662432e NC |
4611 | /* Create a dummy input file, so that we can pass |
4612 | the help option on to the various sub-processes. */ | |
922e1882 | 4613 | add_infile ("help-dummy", "c"); |
69927b59 NB |
4614 | } |
4615 | ||
ba85c5fd OH |
4616 | /* Decide if undefined variable references are allowed in specs. */ |
4617 | ||
4618 | /* --version and --help alone or together are safe. Note that -v would | |
4619 | make them unsafe, as they'd then be run for subprocesses as well, the | |
4620 | location of which might depend on variables possibly coming from | |
4621 | self-specs. | |
4622 | ||
4623 | Count the number of options we have for which undefined variables | |
4624 | are harmless for sure, and check that nothing else is set. */ | |
4625 | ||
4626 | unsigned n_varsafe_options = 0; | |
4627 | ||
4628 | if (print_version) | |
4629 | n_varsafe_options++; | |
4630 | ||
4631 | if (print_help_list) | |
4632 | n_varsafe_options++; | |
4633 | ||
4634 | spec_undefvar_allowed = (n_varsafe_options == decoded_options_count - 1); | |
4635 | ||
922e1882 | 4636 | alloc_switch (); |
ed1f651b | 4637 | switches[n_switches].part1 = 0; |
922e1882 | 4638 | alloc_infile (); |
ed1f651b RS |
4639 | infiles[n_infiles].name = 0; |
4640 | } | |
b856c15d | 4641 | |
4977bab6 | 4642 | /* Store switches not filtered out by %<S in spec in COLLECT_GCC_OPTIONS |
b856c15d RO |
4643 | and place that in the environment. */ |
4644 | ||
4645 | static void | |
1d088dee | 4646 | set_collect_gcc_options (void) |
b856c15d RO |
4647 | { |
4648 | int i; | |
4649 | int first_time; | |
4650 | ||
4651 | /* Build COLLECT_GCC_OPTIONS to have all of the options specified to | |
4652 | the compiler. */ | |
4653 | obstack_grow (&collect_obstack, "COLLECT_GCC_OPTIONS=", | |
4654 | sizeof ("COLLECT_GCC_OPTIONS=") - 1); | |
4655 | ||
4656 | first_time = TRUE; | |
4657 | for (i = 0; (int) i < n_switches; i++) | |
4658 | { | |
4659 | const char *const *args; | |
4660 | const char *p, *q; | |
4661 | if (!first_time) | |
4662 | obstack_grow (&collect_obstack, " ", 1); | |
4663 | ||
4664 | first_time = FALSE; | |
4665 | ||
4666 | /* Ignore elided switches. */ | |
96f5b137 L |
4667 | if ((switches[i].live_cond |
4668 | & (SWITCH_IGNORE | SWITCH_KEEP_FOR_GCC)) | |
4669 | == SWITCH_IGNORE) | |
b856c15d RO |
4670 | continue; |
4671 | ||
4672 | obstack_grow (&collect_obstack, "'-", 2); | |
4673 | q = switches[i].part1; | |
4674 | while ((p = strchr (q, '\''))) | |
4675 | { | |
4676 | obstack_grow (&collect_obstack, q, p - q); | |
4677 | obstack_grow (&collect_obstack, "'\\''", 4); | |
4678 | q = ++p; | |
4679 | } | |
4680 | obstack_grow (&collect_obstack, q, strlen (q)); | |
4681 | obstack_grow (&collect_obstack, "'", 1); | |
4682 | ||
4683 | for (args = switches[i].args; args && *args; args++) | |
4684 | { | |
4685 | obstack_grow (&collect_obstack, " '", 2); | |
4686 | q = *args; | |
4687 | while ((p = strchr (q, '\''))) | |
4688 | { | |
4689 | obstack_grow (&collect_obstack, q, p - q); | |
4690 | obstack_grow (&collect_obstack, "'\\''", 4); | |
4691 | q = ++p; | |
4692 | } | |
4693 | obstack_grow (&collect_obstack, q, strlen (q)); | |
4694 | obstack_grow (&collect_obstack, "'", 1); | |
4695 | } | |
4696 | } | |
4697 | obstack_grow (&collect_obstack, "\0", 1); | |
47d33318 | 4698 | xputenv (XOBFINISH (&collect_obstack, char *)); |
b856c15d | 4699 | } |
ed1f651b RS |
4700 | \f |
4701 | /* Process a spec string, accumulating and running commands. */ | |
4702 | ||
4703 | /* These variables describe the input file name. | |
4704 | input_file_number is the index on outfiles of this file, | |
4705 | so that the output file name can be stored for later use by %o. | |
4706 | input_basename is the start of the part of the input file | |
4707 | sans all directory names, and basename_length is the number | |
4708 | of characters starting there excluding the suffix .c or whatever. */ | |
4709 | ||
6afbc885 | 4710 | static const char *gcc_input_filename; |
ed1f651b | 4711 | static int input_file_number; |
f271358e | 4712 | size_t input_filename_length; |
ed1f651b | 4713 | static int basename_length; |
ea414c97 | 4714 | static int suffixed_basename_length; |
878f32c3 KG |
4715 | static const char *input_basename; |
4716 | static const char *input_suffix; | |
a9024779 | 4717 | #ifndef HOST_LACKS_INODE_NUMBERS |
99f78cdd | 4718 | static struct stat input_stat; |
a9024779 | 4719 | #endif |
99f78cdd | 4720 | static int input_stat_set; |
ed1f651b | 4721 | |
a9374841 MM |
4722 | /* The compiler used to process the current input file. */ |
4723 | static struct compiler *input_file_compiler; | |
4724 | ||
ed1f651b RS |
4725 | /* These are variables used within do_spec and do_spec_1. */ |
4726 | ||
4727 | /* Nonzero if an arg has been started and not yet terminated | |
4728 | (with space, tab or newline). */ | |
4729 | static int arg_going; | |
4730 | ||
4731 | /* Nonzero means %d or %g has been seen; the next arg to be terminated | |
4732 | is a temporary file name. */ | |
4733 | static int delete_this_arg; | |
4734 | ||
4735 | /* Nonzero means %w has been seen; the next arg to be terminated | |
4736 | is the output file name of this compilation. */ | |
4737 | static int this_is_output_file; | |
4738 | ||
4739 | /* Nonzero means %s has been seen; the next arg to be terminated | |
4740 | is the name of a library file and we should try the standard | |
4741 | search dirs for it. */ | |
4742 | static int this_is_library_file; | |
4743 | ||
3beb864c NC |
4744 | /* Nonzero means %T has been seen; the next arg to be terminated |
4745 | is the name of a linker script and we should try all of the | |
4746 | standard search dirs for it. If it is found insert a --script | |
4747 | command line switch and then substitute the full path in place, | |
4748 | otherwise generate an error message. */ | |
4749 | static int this_is_linker_script; | |
4750 | ||
a99bf70c JW |
4751 | /* Nonzero means that the input of this command is coming from a pipe. */ |
4752 | static int input_from_pipe; | |
4753 | ||
11972f66 | 4754 | /* Nonnull means substitute this for any suffix when outputting a switches |
dc297297 | 4755 | arguments. */ |
11972f66 NS |
4756 | static const char *suffix_subst; |
4757 | ||
13e7cedb DH |
4758 | /* If there is an argument being accumulated, terminate it and store it. */ |
4759 | ||
4760 | static void | |
4761 | end_going_arg (void) | |
4762 | { | |
4763 | if (arg_going) | |
4764 | { | |
4765 | const char *string; | |
4766 | ||
4767 | obstack_1grow (&obstack, 0); | |
4768 | string = XOBFINISH (&obstack, const char *); | |
4769 | if (this_is_library_file) | |
4770 | string = find_file (string); | |
3beb864c NC |
4771 | if (this_is_linker_script) |
4772 | { | |
4773 | char * full_script_path = find_a_file (&startfile_prefixes, string, R_OK, true); | |
4774 | ||
4775 | if (full_script_path == NULL) | |
4776 | { | |
bdc6b402 | 4777 | error ("unable to locate default linker script %qs in the library search paths", string); |
3beb864c NC |
4778 | /* Script was not found on search path. */ |
4779 | return; | |
4780 | } | |
4781 | store_arg ("--script", false, false); | |
4782 | string = full_script_path; | |
4783 | } | |
13e7cedb DH |
4784 | store_arg (string, delete_this_arg, this_is_output_file); |
4785 | if (this_is_output_file) | |
4786 | outfiles[input_file_number] = string; | |
4787 | arg_going = 0; | |
4788 | } | |
4789 | } | |
4790 | ||
fe7df9c4 SP |
4791 | |
4792 | /* Parse the WRAPPER string which is a comma separated list of the command line | |
4793 | and insert them into the beginning of argbuf. */ | |
4794 | ||
4795 | static void | |
4796 | insert_wrapper (const char *wrapper) | |
4797 | { | |
4798 | int n = 0; | |
4799 | int i; | |
4800 | char *buf = xstrdup (wrapper); | |
4801 | char *p = buf; | |
9771b263 | 4802 | unsigned int old_length = argbuf.length (); |
fe7df9c4 SP |
4803 | |
4804 | do | |
4805 | { | |
4806 | n++; | |
4807 | while (*p == ',') | |
4808 | p++; | |
4809 | } | |
4810 | while ((p = strchr (p, ',')) != NULL); | |
4811 | ||
9771b263 DN |
4812 | argbuf.safe_grow (old_length + n); |
4813 | memmove (argbuf.address () + n, | |
4814 | argbuf.address (), | |
5b634ee0 | 4815 | old_length * sizeof (const_char_p)); |
fe7df9c4 SP |
4816 | |
4817 | i = 0; | |
4818 | p = buf; | |
4819 | do | |
4820 | { | |
4821 | while (*p == ',') | |
4822 | { | |
4823 | *p = 0; | |
4824 | p++; | |
4825 | } | |
9771b263 | 4826 | argbuf[i] = p; |
5b634ee0 | 4827 | i++; |
fe7df9c4 SP |
4828 | } |
4829 | while ((p = strchr (p, ',')) != NULL); | |
4830 | gcc_assert (i == n); | |
fe7df9c4 SP |
4831 | } |
4832 | ||
ed1f651b RS |
4833 | /* Process the spec SPEC and run the commands specified therein. |
4834 | Returns 0 if the spec is successfully processed; -1 if failed. */ | |
4835 | ||
f271358e | 4836 | int |
1d088dee | 4837 | do_spec (const char *spec) |
ed1f651b RS |
4838 | { |
4839 | int value; | |
4840 | ||
343f59d9 | 4841 | value = do_spec_2 (spec); |
ed1f651b RS |
4842 | |
4843 | /* Force out any unfinished command. | |
4844 | If -pipe, this forces out the last command if it ended in `|'. */ | |
4845 | if (value == 0) | |
4846 | { | |
9771b263 DN |
4847 | if (argbuf.length () > 0 |
4848 | && !strcmp (argbuf.last (), "|")) | |
4849 | argbuf.pop (); | |
ed1f651b | 4850 | |
b856c15d RO |
4851 | set_collect_gcc_options (); |
4852 | ||
9771b263 | 4853 | if (argbuf.length () > 0) |
ed1f651b RS |
4854 | value = execute (); |
4855 | } | |
4856 | ||
4857 | return value; | |
4858 | } | |
4859 | ||
343f59d9 | 4860 | static int |
1d088dee | 4861 | do_spec_2 (const char *spec) |
343f59d9 | 4862 | { |
6544fbcb RS |
4863 | int result; |
4864 | ||
343f59d9 AM |
4865 | clear_args (); |
4866 | arg_going = 0; | |
4867 | delete_this_arg = 0; | |
4868 | this_is_output_file = 0; | |
4869 | this_is_library_file = 0; | |
3beb864c | 4870 | this_is_linker_script = 0; |
343f59d9 AM |
4871 | input_from_pipe = 0; |
4872 | suffix_subst = NULL; | |
4873 | ||
6544fbcb RS |
4874 | result = do_spec_1 (spec, 0, NULL); |
4875 | ||
13e7cedb | 4876 | end_going_arg (); |
6544fbcb RS |
4877 | |
4878 | return result; | |
343f59d9 AM |
4879 | } |
4880 | ||
db36994b | 4881 | |
7816bea0 DJ |
4882 | /* Process the given spec string and add any new options to the end |
4883 | of the switches/n_switches array. */ | |
4884 | ||
4885 | static void | |
1d088dee | 4886 | do_option_spec (const char *name, const char *spec) |
7816bea0 DJ |
4887 | { |
4888 | unsigned int i, value_count, value_len; | |
4889 | const char *p, *q, *value; | |
4890 | char *tmp_spec, *tmp_spec_p; | |
4891 | ||
4892 | if (configure_default_options[0].name == NULL) | |
4893 | return; | |
4894 | ||
4895 | for (i = 0; i < ARRAY_SIZE (configure_default_options); i++) | |
4896 | if (strcmp (configure_default_options[i].name, name) == 0) | |
4897 | break; | |
4898 | if (i == ARRAY_SIZE (configure_default_options)) | |
4899 | return; | |
4900 | ||
4901 | value = configure_default_options[i].value; | |
4902 | value_len = strlen (value); | |
4903 | ||
4904 | /* Compute the size of the final spec. */ | |
4905 | value_count = 0; | |
4906 | p = spec; | |
4907 | while ((p = strstr (p, "%(VALUE)")) != NULL) | |
4908 | { | |
4909 | p ++; | |
4910 | value_count ++; | |
4911 | } | |
4912 | ||
4913 | /* Replace each %(VALUE) by the specified value. */ | |
e1e4cdc4 | 4914 | tmp_spec = (char *) alloca (strlen (spec) + 1 |
7816bea0 DJ |
4915 | + value_count * (value_len - strlen ("%(VALUE)"))); |
4916 | tmp_spec_p = tmp_spec; | |
4917 | q = spec; | |
4918 | while ((p = strstr (q, "%(VALUE)")) != NULL) | |
4919 | { | |
4920 | memcpy (tmp_spec_p, q, p - q); | |
4921 | tmp_spec_p = tmp_spec_p + (p - q); | |
4922 | memcpy (tmp_spec_p, value, value_len); | |
4923 | tmp_spec_p += value_len; | |
4924 | q = p + strlen ("%(VALUE)"); | |
4925 | } | |
4926 | strcpy (tmp_spec_p, q); | |
4927 | ||
4928 | do_self_spec (tmp_spec); | |
4929 | } | |
4930 | ||
db36994b RS |
4931 | /* Process the given spec string and add any new options to the end |
4932 | of the switches/n_switches array. */ | |
4933 | ||
4934 | static void | |
1d088dee | 4935 | do_self_spec (const char *spec) |
db36994b | 4936 | { |
94b90527 JJ |
4937 | int i; |
4938 | ||
db36994b RS |
4939 | do_spec_2 (spec); |
4940 | do_spec_1 (" ", 0, NULL); | |
4941 | ||
94b90527 JJ |
4942 | /* Mark %<S switches processed by do_self_spec to be ignored permanently. |
4943 | do_self_specs adds the replacements to switches array, so it shouldn't | |
4944 | be processed afterwards. */ | |
4945 | for (i = 0; i < n_switches; i++) | |
4946 | if ((switches[i].live_cond & SWITCH_IGNORE)) | |
4947 | switches[i].live_cond |= SWITCH_IGNORE_PERMANENTLY; | |
4948 | ||
9771b263 | 4949 | if (argbuf.length () > 0) |
db36994b | 4950 | { |
efe5e5a0 JM |
4951 | const char **argbuf_copy; |
4952 | struct cl_decoded_option *decoded_options; | |
4953 | struct cl_option_handlers handlers; | |
4954 | unsigned int decoded_options_count; | |
4955 | unsigned int j; | |
db36994b | 4956 | |
efe5e5a0 JM |
4957 | /* Create a copy of argbuf with a dummy argv[0] entry for |
4958 | decode_cmdline_options_to_array. */ | |
5b634ee0 | 4959 | argbuf_copy = XNEWVEC (const char *, |
9771b263 | 4960 | argbuf.length () + 1); |
efe5e5a0 | 4961 | argbuf_copy[0] = ""; |
9771b263 DN |
4962 | memcpy (argbuf_copy + 1, argbuf.address (), |
4963 | argbuf.length () * sizeof (const char *)); | |
db36994b | 4964 | |
9771b263 | 4965 | decode_cmdline_options_to_array (argbuf.length () + 1, |
5b634ee0 | 4966 | argbuf_copy, |
efe5e5a0 JM |
4967 | CL_DRIVER, &decoded_options, |
4968 | &decoded_options_count); | |
fc429b48 | 4969 | free (argbuf_copy); |
2153915d | 4970 | |
efe5e5a0 | 4971 | set_option_handlers (&handlers); |
2153915d | 4972 | |
efe5e5a0 JM |
4973 | for (j = 1; j < decoded_options_count; j++) |
4974 | { | |
4975 | switch (decoded_options[j].opt_index) | |
2153915d | 4976 | { |
efe5e5a0 JM |
4977 | case OPT_SPECIAL_input_file: |
4978 | /* Specs should only generate options, not input | |
4979 | files. */ | |
4980 | if (strcmp (decoded_options[j].arg, "-") != 0) | |
40fecdd6 JM |
4981 | fatal_error (input_location, |
4982 | "switch %qs does not start with %<-%>", | |
efe5e5a0 JM |
4983 | decoded_options[j].arg); |
4984 | else | |
40fecdd6 JM |
4985 | fatal_error (input_location, |
4986 | "spec-generated switch is just %<-%>"); | |
efe5e5a0 | 4987 | break; |
2153915d | 4988 | |
efe5e5a0 JM |
4989 | case OPT_fcompare_debug_second: |
4990 | case OPT_fcompare_debug: | |
4991 | case OPT_fcompare_debug_: | |
4992 | case OPT_o: | |
4993 | /* Avoid duplicate processing of some options from | |
4994 | compare-debug specs; just save them here. */ | |
4995 | save_switch (decoded_options[j].canonical_option[0], | |
4996 | (decoded_options[j].canonical_option_num_elements | |
4997 | - 1), | |
d168aaee | 4998 | &decoded_options[j].canonical_option[1], false, true); |
efe5e5a0 JM |
4999 | break; |
5000 | ||
5001 | default: | |
5002 | read_cmdline_option (&global_options, &global_options_set, | |
a4d8c676 JM |
5003 | decoded_options + j, UNKNOWN_LOCATION, |
5004 | CL_DRIVER, &handlers, global_dc); | |
efe5e5a0 | 5005 | break; |
2153915d | 5006 | } |
db36994b | 5007 | } |
2153915d | 5008 | |
2cb844ce DM |
5009 | free (decoded_options); |
5010 | ||
efe5e5a0 | 5011 | alloc_switch (); |
2153915d | 5012 | switches[n_switches].part1 = 0; |
db36994b RS |
5013 | } |
5014 | } | |
5015 | ||
00dcee0c AM |
5016 | /* Callback for processing %D and %I specs. */ |
5017 | ||
5018 | struct spec_path_info { | |
5019 | const char *option; | |
5020 | const char *append; | |
5021 | size_t append_len; | |
5022 | bool omit_relative; | |
5023 | bool separate_options; | |
5024 | }; | |
5025 | ||
5026 | static void * | |
5027 | spec_path (char *path, void *data) | |
76391e5a | 5028 | { |
e1e4cdc4 | 5029 | struct spec_path_info *info = (struct spec_path_info *) data; |
00dcee0c AM |
5030 | size_t len = 0; |
5031 | char save = 0; | |
76391e5a | 5032 | |
00dcee0c AM |
5033 | if (info->omit_relative && !IS_ABSOLUTE_PATH (path)) |
5034 | return NULL; | |
5035 | ||
5036 | if (info->append_len != 0) | |
76391e5a | 5037 | { |
00dcee0c AM |
5038 | len = strlen (path); |
5039 | memcpy (path + len, info->append, info->append_len + 1); | |
76391e5a PB |
5040 | } |
5041 | ||
00dcee0c AM |
5042 | if (!is_directory (path, true)) |
5043 | return NULL; | |
76391e5a | 5044 | |
00dcee0c AM |
5045 | do_spec_1 (info->option, 1, NULL); |
5046 | if (info->separate_options) | |
5047 | do_spec_1 (" ", 0, NULL); | |
5048 | ||
5049 | if (info->append_len == 0) | |
76391e5a | 5050 | { |
00dcee0c AM |
5051 | len = strlen (path); |
5052 | save = path[len - 1]; | |
5053 | if (IS_DIR_SEPARATOR (path[len - 1])) | |
5054 | path[len - 1] = '\0'; | |
76391e5a | 5055 | } |
00dcee0c AM |
5056 | |
5057 | do_spec_1 (path, 1, NULL); | |
5058 | do_spec_1 (" ", 0, NULL); | |
5059 | ||
5060 | /* Must not damage the original path. */ | |
5061 | if (info->append_len == 0) | |
5062 | path[len - 1] = save; | |
5063 | ||
5064 | return NULL; | |
76391e5a PB |
5065 | } |
5066 | ||
5a691e98 RAE |
5067 | /* Create a temporary FILE with the contents of ARGV. Add @FILE to the |
5068 | argument list. */ | |
5069 | ||
5070 | static void | |
5071 | create_at_file (char **argv) | |
5072 | { | |
5073 | char *temp_file = make_temp_file (""); | |
5074 | char *at_argument = concat ("@", temp_file, NULL); | |
5075 | FILE *f = fopen (temp_file, "w"); | |
5076 | int status; | |
5077 | ||
5078 | if (f == NULL) | |
40fecdd6 | 5079 | fatal_error (input_location, "could not open temporary response file %s", |
2dec80c7 | 5080 | temp_file); |
5a691e98 RAE |
5081 | |
5082 | status = writeargv (argv, f); | |
5083 | ||
5084 | if (status) | |
40fecdd6 JM |
5085 | fatal_error (input_location, |
5086 | "could not write to temporary response file %s", | |
2dec80c7 | 5087 | temp_file); |
5a691e98 RAE |
5088 | |
5089 | status = fclose (f); | |
5090 | ||
5091 | if (EOF == status) | |
40fecdd6 | 5092 | fatal_error (input_location, "could not close temporary response file %s", |
2dec80c7 | 5093 | temp_file); |
5a691e98 RAE |
5094 | |
5095 | store_arg (at_argument, 0, 0); | |
5096 | ||
5097 | record_temp_file (temp_file, !save_temps_flag, !save_temps_flag); | |
5098 | } | |
5099 | ||
5100 | /* True if we should compile INFILE. */ | |
5101 | ||
5102 | static bool | |
5103 | compile_input_file_p (struct infile *infile) | |
5104 | { | |
5105 | if ((!infile->language) || (infile->language[0] != '*')) | |
5106 | if (infile->incompiler == input_file_compiler) | |
5107 | return true; | |
5108 | return false; | |
5109 | } | |
5110 | ||
69d540bd NF |
5111 | /* Process each member of VEC as a spec. */ |
5112 | ||
5113 | static void | |
9771b263 | 5114 | do_specs_vec (vec<char_p> vec) |
69d540bd NF |
5115 | { |
5116 | unsigned ix; | |
5117 | char *opt; | |
5118 | ||
9771b263 | 5119 | FOR_EACH_VEC_ELT (vec, ix, opt) |
69d540bd NF |
5120 | { |
5121 | do_spec_1 (opt, 1, NULL); | |
5122 | /* Make each accumulated option a separate argument. */ | |
5123 | do_spec_1 (" ", 0, NULL); | |
5124 | } | |
5125 | } | |
5126 | ||
ed1f651b RS |
5127 | /* Process the sub-spec SPEC as a portion of a larger spec. |
5128 | This is like processing a whole spec except that we do | |
5129 | not initialize at the beginning and we do not supply a | |
5130 | newline by default at the end. | |
5131 | INSWITCH nonzero means don't process %-sequences in SPEC; | |
5132 | in this case, % is treated as an ordinary character. | |
5133 | This is used while substituting switches. | |
5134 | INSWITCH nonzero also causes SPC not to terminate an argument. | |
5135 | ||
5136 | Value is zero unless a line was finished | |
5137 | and the command on that line reported an error. */ | |
5138 | ||
5139 | static int | |
1d088dee | 5140 | do_spec_1 (const char *spec, int inswitch, const char *soft_matched_part) |
ed1f651b | 5141 | { |
b3694847 SS |
5142 | const char *p = spec; |
5143 | int c; | |
ed1f651b | 5144 | int i; |
3279bba6 | 5145 | int value; |
ed1f651b | 5146 | |
7fcf46f5 JZ |
5147 | /* If it's an empty string argument to a switch, keep it as is. */ |
5148 | if (inswitch && !*p) | |
5149 | arg_going = 1; | |
5150 | ||
ededb2fc | 5151 | while ((c = *p++)) |
ed1f651b RS |
5152 | /* If substituting a switch, treat all chars like letters. |
5153 | Otherwise, NL, SPC, TAB and % are special. */ | |
5154 | switch (inswitch ? 'a' : c) | |
5155 | { | |
5156 | case '\n': | |
13e7cedb | 5157 | end_going_arg (); |
ed1f651b | 5158 | |
9771b263 DN |
5159 | if (argbuf.length () > 0 |
5160 | && !strcmp (argbuf.last (), "|")) | |
ed1f651b | 5161 | { |
ed1f651b RS |
5162 | /* A `|' before the newline means use a pipe here, |
5163 | but only if -pipe was specified. | |
5164 | Otherwise, execute now and don't pass the `|' as an arg. */ | |
4977bab6 | 5165 | if (use_pipes) |
ed1f651b | 5166 | { |
a99bf70c | 5167 | input_from_pipe = 1; |
ed1f651b RS |
5168 | break; |
5169 | } | |
5170 | else | |
9771b263 | 5171 | argbuf.pop (); |
ed1f651b RS |
5172 | } |
5173 | ||
b856c15d RO |
5174 | set_collect_gcc_options (); |
5175 | ||
9771b263 | 5176 | if (argbuf.length () > 0) |
ed1f651b | 5177 | { |
3279bba6 | 5178 | value = execute (); |
ed1f651b RS |
5179 | if (value) |
5180 | return value; | |
5181 | } | |
5182 | /* Reinitialize for a new command, and for a new argument. */ | |
5183 | clear_args (); | |
5184 | arg_going = 0; | |
5185 | delete_this_arg = 0; | |
5186 | this_is_output_file = 0; | |
5187 | this_is_library_file = 0; | |
3beb864c | 5188 | this_is_linker_script = 0; |
a99bf70c | 5189 | input_from_pipe = 0; |
ed1f651b RS |
5190 | break; |
5191 | ||
5192 | case '|': | |
13e7cedb | 5193 | end_going_arg (); |
ed1f651b RS |
5194 | |
5195 | /* Use pipe */ | |
5196 | obstack_1grow (&obstack, c); | |
5197 | arg_going = 1; | |
5198 | break; | |
5199 | ||
5200 | case '\t': | |
5201 | case ' ': | |
13e7cedb DH |
5202 | end_going_arg (); |
5203 | ||
ed1f651b | 5204 | /* Reinitialize for a new argument. */ |
ed1f651b RS |
5205 | delete_this_arg = 0; |
5206 | this_is_output_file = 0; | |
5207 | this_is_library_file = 0; | |
3beb864c | 5208 | this_is_linker_script = 0; |
ed1f651b RS |
5209 | break; |
5210 | ||
5211 | case '%': | |
5212 | switch (c = *p++) | |
5213 | { | |
5214 | case 0: | |
40fecdd6 | 5215 | fatal_error (input_location, "spec %qs invalid", spec); |
ed1f651b RS |
5216 | |
5217 | case 'b': | |
14fdc613 MM |
5218 | if (save_temps_length) |
5219 | obstack_grow (&obstack, save_temps_prefix, save_temps_length); | |
5220 | else | |
5221 | obstack_grow (&obstack, input_basename, basename_length); | |
2153915d AO |
5222 | if (compare_debug < 0) |
5223 | obstack_grow (&obstack, ".gk", 3); | |
ed1f651b RS |
5224 | arg_going = 1; |
5225 | break; | |
5226 | ||
ea414c97 | 5227 | case 'B': |
14fdc613 MM |
5228 | if (save_temps_length) |
5229 | obstack_grow (&obstack, save_temps_prefix, save_temps_length); | |
5230 | else | |
5231 | obstack_grow (&obstack, input_basename, suffixed_basename_length); | |
2153915d AO |
5232 | if (compare_debug < 0) |
5233 | obstack_grow (&obstack, ".gk", 3); | |
ea414c97 ZW |
5234 | arg_going = 1; |
5235 | break; | |
5236 | ||
ed1f651b RS |
5237 | case 'd': |
5238 | delete_this_arg = 2; | |
5239 | break; | |
5240 | ||
5241 | /* Dump out the directories specified with LIBRARY_PATH, | |
004fd4d5 RS |
5242 | followed by the absolute directories |
5243 | that we search for startfiles. */ | |
ed1f651b | 5244 | case 'D': |
8cacec76 | 5245 | { |
00dcee0c | 5246 | struct spec_path_info info; |
59014d0a | 5247 | |
00dcee0c AM |
5248 | info.option = "-L"; |
5249 | info.append_len = 0; | |
76391e5a | 5250 | #ifdef RELATIVE_PREFIX_NOT_LINKDIR |
00dcee0c AM |
5251 | /* Used on systems which record the specified -L dirs |
5252 | and use them to search for dynamic linking. | |
5253 | Relative directories always come from -B, | |
5254 | and it is better not to use them for searching | |
5255 | at run time. In particular, stage1 loses. */ | |
5256 | info.omit_relative = true; | |
76391e5a | 5257 | #else |
00dcee0c | 5258 | info.omit_relative = false; |
004fd4d5 | 5259 | #endif |
00dcee0c AM |
5260 | info.separate_options = false; |
5261 | ||
5262 | for_each_path (&startfile_prefixes, true, 0, spec_path, &info); | |
8cacec76 | 5263 | } |
ed1f651b RS |
5264 | break; |
5265 | ||
5266 | case 'e': | |
ab87f8c8 | 5267 | /* %efoo means report an error with `foo' as error message |
ed1f651b RS |
5268 | and don't execute any more commands for this file. */ |
5269 | { | |
878f32c3 | 5270 | const char *q = p; |
ed1f651b | 5271 | char *buf; |
d25a45d4 KH |
5272 | while (*p != 0 && *p != '\n') |
5273 | p++; | |
e1e4cdc4 | 5274 | buf = (char *) alloca (p - q + 1); |
ed1f651b RS |
5275 | strncpy (buf, q, p - q); |
5276 | buf[p - q] = 0; | |
5bc69b92 | 5277 | error ("%s", _(buf)); |
ed1f651b RS |
5278 | return -1; |
5279 | } | |
5280 | break; | |
4a88a060 | 5281 | case 'n': |
09da1532 | 5282 | /* %nfoo means report a notice with `foo' on stderr. */ |
4a88a060 JH |
5283 | { |
5284 | const char *q = p; | |
5285 | char *buf; | |
5286 | while (*p != 0 && *p != '\n') | |
5287 | p++; | |
e1e4cdc4 | 5288 | buf = (char *) alloca (p - q + 1); |
4a88a060 JH |
5289 | strncpy (buf, q, p - q); |
5290 | buf[p - q] = 0; | |
2dec80c7 | 5291 | inform (0, "%s", _(buf)); |
4a88a060 JH |
5292 | if (*p) |
5293 | p++; | |
5294 | } | |
5295 | break; | |
ed1f651b | 5296 | |
d25a45d4 KH |
5297 | case 'j': |
5298 | { | |
5299 | struct stat st; | |
5300 | ||
4977bab6 ZW |
5301 | /* If save_temps_flag is off, and the HOST_BIT_BUCKET is |
5302 | defined, and it is not a directory, and it is | |
5303 | writable, use it. Otherwise, treat this like any | |
5304 | other temporary file. */ | |
d25a45d4 KH |
5305 | |
5306 | if ((!save_temps_flag) | |
5307 | && (stat (HOST_BIT_BUCKET, &st) == 0) && (!S_ISDIR (st.st_mode)) | |
5308 | && (access (HOST_BIT_BUCKET, W_OK) == 0)) | |
5309 | { | |
5310 | obstack_grow (&obstack, HOST_BIT_BUCKET, | |
5311 | strlen (HOST_BIT_BUCKET)); | |
5312 | delete_this_arg = 0; | |
5313 | arg_going = 1; | |
5314 | break; | |
5315 | } | |
5316 | } | |
4977bab6 ZW |
5317 | goto create_temp_file; |
5318 | case '|': | |
5319 | if (use_pipes) | |
5320 | { | |
5321 | obstack_1grow (&obstack, '-'); | |
5322 | delete_this_arg = 0; | |
5323 | arg_going = 1; | |
5324 | ||
5325 | /* consume suffix */ | |
a92dd235 | 5326 | while (*p == '.' || ISALNUM ((unsigned char) *p)) |
4977bab6 ZW |
5327 | p++; |
5328 | if (p[0] == '%' && p[1] == 'O') | |
5329 | p += 2; | |
1d088dee | 5330 | |
4977bab6 ZW |
5331 | break; |
5332 | } | |
5333 | goto create_temp_file; | |
5334 | case 'm': | |
5335 | if (use_pipes) | |
5336 | { | |
5337 | /* consume suffix */ | |
a92dd235 | 5338 | while (*p == '.' || ISALNUM ((unsigned char) *p)) |
4977bab6 ZW |
5339 | p++; |
5340 | if (p[0] == '%' && p[1] == 'O') | |
5341 | p += 2; | |
1d088dee | 5342 | |
4977bab6 ZW |
5343 | break; |
5344 | } | |
5345 | goto create_temp_file; | |
ed1f651b | 5346 | case 'g': |
d887e808 | 5347 | case 'u': |
4401b31c | 5348 | case 'U': |
4977bab6 | 5349 | create_temp_file: |
ed1f651b | 5350 | { |
fb266030 | 5351 | struct temp_name *t; |
dd75c292 | 5352 | int suffix_length; |
878f32c3 | 5353 | const char *suffix = p; |
a1d9074c | 5354 | char *saved_suffix = NULL; |
dd75c292 | 5355 | |
a92dd235 | 5356 | while (*p == '.' || ISALNUM ((unsigned char) *p)) |
a1d9074c TT |
5357 | p++; |
5358 | suffix_length = p - suffix; | |
dd75c292 CB |
5359 | if (p[0] == '%' && p[1] == 'O') |
5360 | { | |
cbc54665 | 5361 | p += 2; |
dd75c292 | 5362 | /* We don't support extra suffix characters after %O. */ |
a92dd235 | 5363 | if (*p == '.' || ISALNUM ((unsigned char) *p)) |
40fecdd6 JM |
5364 | fatal_error (input_location, |
5365 | "spec %qs has invalid %<%%0%c%>", spec, *p); | |
a1d9074c | 5366 | if (suffix_length == 0) |
45936a85 | 5367 | suffix = TARGET_OBJECT_SUFFIX; |
a1d9074c TT |
5368 | else |
5369 | { | |
5370 | saved_suffix | |
5ed6ace5 | 5371 | = XNEWVEC (char, suffix_length |
e3cb8f05 | 5372 | + strlen (TARGET_OBJECT_SUFFIX) + 1); |
a1d9074c TT |
5373 | strncpy (saved_suffix, suffix, suffix_length); |
5374 | strcpy (saved_suffix + suffix_length, | |
45936a85 | 5375 | TARGET_OBJECT_SUFFIX); |
a1d9074c | 5376 | } |
45936a85 | 5377 | suffix_length += strlen (TARGET_OBJECT_SUFFIX); |
dd75c292 | 5378 | } |
589005ff | 5379 | |
2153915d AO |
5380 | if (compare_debug < 0) |
5381 | { | |
5382 | suffix = concat (".gk", suffix, NULL); | |
5383 | suffix_length += 3; | |
5384 | } | |
5385 | ||
14fdc613 MM |
5386 | /* If -save-temps=obj and -o were specified, use that for the |
5387 | temp file. */ | |
5388 | if (save_temps_length) | |
5389 | { | |
5390 | char *tmp; | |
5391 | temp_filename_length | |
5392 | = save_temps_length + suffix_length + 1; | |
5393 | tmp = (char *) alloca (temp_filename_length); | |
5394 | memcpy (tmp, save_temps_prefix, save_temps_length); | |
5395 | memcpy (tmp + save_temps_length, suffix, suffix_length); | |
5396 | tmp[save_temps_length + suffix_length] = '\0'; | |
fc429b48 TB |
5397 | temp_filename = save_string (tmp, save_temps_length |
5398 | + suffix_length); | |
14fdc613 MM |
5399 | obstack_grow (&obstack, temp_filename, |
5400 | temp_filename_length); | |
5401 | arg_going = 1; | |
5402 | delete_this_arg = 0; | |
5403 | break; | |
5404 | } | |
5405 | ||
6afbc885 | 5406 | /* If the gcc_input_filename has the same suffix specified |
99f78cdd IR |
5407 | for the %g, %u, or %U, and -save-temps is specified, |
5408 | we could end up using that file as an intermediate | |
5409 | thus clobbering the user's source file (.e.g., | |
5410 | gcc -save-temps foo.s would clobber foo.s with the | |
5411 | output of cpp0). So check for this condition and | |
5412 | generate a temp file as the intermediate. */ | |
589005ff | 5413 | |
99f78cdd IR |
5414 | if (save_temps_flag) |
5415 | { | |
6ea2b70d | 5416 | char *tmp; |
14fdc613 MM |
5417 | temp_filename_length = basename_length + suffix_length + 1; |
5418 | tmp = (char *) alloca (temp_filename_length); | |
5419 | memcpy (tmp, input_basename, basename_length); | |
5420 | memcpy (tmp + basename_length, suffix, suffix_length); | |
5421 | tmp[basename_length + suffix_length] = '\0'; | |
6ea2b70d | 5422 | temp_filename = tmp; |
14fdc613 | 5423 | |
ba78087b | 5424 | if (filename_cmp (temp_filename, gcc_input_filename) != 0) |
99f78cdd | 5425 | { |
a9024779 | 5426 | #ifndef HOST_LACKS_INODE_NUMBERS |
1d088dee | 5427 | struct stat st_temp; |
589005ff | 5428 | |
1d088dee AJ |
5429 | /* Note, set_input() resets input_stat_set to 0. */ |
5430 | if (input_stat_set == 0) | |
5431 | { | |
6afbc885 JM |
5432 | input_stat_set = stat (gcc_input_filename, |
5433 | &input_stat); | |
1d088dee AJ |
5434 | if (input_stat_set >= 0) |
5435 | input_stat_set = 1; | |
5436 | } | |
589005ff | 5437 | |
6afbc885 | 5438 | /* If we have the stat for the gcc_input_filename |
1d088dee AJ |
5439 | and we can do the stat for the temp_filename |
5440 | then the they could still refer to the same | |
5441 | file if st_dev/st_ino's are the same. */ | |
99f78cdd IR |
5442 | if (input_stat_set != 1 |
5443 | || stat (temp_filename, &st_temp) < 0 | |
5444 | || input_stat.st_dev != st_temp.st_dev | |
5445 | || input_stat.st_ino != st_temp.st_ino) | |
a9024779 DS |
5446 | #else |
5447 | /* Just compare canonical pathnames. */ | |
6afbc885 | 5448 | char* input_realname = lrealpath (gcc_input_filename); |
a9024779 | 5449 | char* temp_realname = lrealpath (temp_filename); |
ba78087b | 5450 | bool files_differ = filename_cmp (input_realname, temp_realname); |
a9024779 DS |
5451 | free (input_realname); |
5452 | free (temp_realname); | |
7904f95f | 5453 | if (files_differ) |
a9024779 | 5454 | #endif |
589005ff | 5455 | { |
38359141 ML |
5456 | temp_filename |
5457 | = save_string (temp_filename, | |
5458 | temp_filename_length - 1); | |
99f78cdd | 5459 | obstack_grow (&obstack, temp_filename, |
1d088dee | 5460 | temp_filename_length); |
99f78cdd | 5461 | arg_going = 1; |
d2dff06b | 5462 | delete_this_arg = 0; |
99f78cdd IR |
5463 | break; |
5464 | } | |
5465 | } | |
5466 | } | |
fb266030 TW |
5467 | |
5468 | /* See if we already have an association of %g/%u/%U and | |
5469 | suffix. */ | |
5470 | for (t = temp_names; t; t = t->next) | |
dd75c292 CB |
5471 | if (t->length == suffix_length |
5472 | && strncmp (t->suffix, suffix, suffix_length) == 0 | |
95456d43 | 5473 | && t->unique == (c == 'u' || c == 'U' || c == 'j')) |
fb266030 TW |
5474 | break; |
5475 | ||
2297fdf1 TT |
5476 | /* Make a new association if needed. %u and %j |
5477 | require one. */ | |
49009afd | 5478 | if (t == 0 || c == 'u' || c == 'j') |
fb266030 TW |
5479 | { |
5480 | if (t == 0) | |
5481 | { | |
e1e4cdc4 | 5482 | t = XNEW (struct temp_name); |
fb266030 TW |
5483 | t->next = temp_names; |
5484 | temp_names = t; | |
5485 | } | |
dd75c292 | 5486 | t->length = suffix_length; |
2297fdf1 TT |
5487 | if (saved_suffix) |
5488 | { | |
5489 | t->suffix = saved_suffix; | |
5490 | saved_suffix = NULL; | |
5491 | } | |
5492 | else | |
5493 | t->suffix = save_string (suffix, suffix_length); | |
95456d43 | 5494 | t->unique = (c == 'u' || c == 'U' || c == 'j'); |
dd75c292 | 5495 | temp_filename = make_temp_file (t->suffix); |
6aa62cff | 5496 | temp_filename_length = strlen (temp_filename); |
fb266030 TW |
5497 | t->filename = temp_filename; |
5498 | t->filename_length = temp_filename_length; | |
5499 | } | |
5500 | ||
04695783 | 5501 | free (saved_suffix); |
a1d9074c | 5502 | |
fb266030 | 5503 | obstack_grow (&obstack, t->filename, t->filename_length); |
b9490a6e | 5504 | delete_this_arg = 1; |
ed1f651b RS |
5505 | } |
5506 | arg_going = 1; | |
5507 | break; | |
5508 | ||
5509 | case 'i': | |
d1bd0ded GK |
5510 | if (combine_inputs) |
5511 | { | |
5a691e98 RAE |
5512 | if (at_file_supplied) |
5513 | { | |
5514 | /* We are going to expand `%i' to `@FILE', where FILE | |
5515 | is a newly-created temporary filename. The filenames | |
5516 | that would usually be expanded in place of %o will be | |
5517 | written to the temporary file. */ | |
5518 | char **argv; | |
5519 | int n_files = 0; | |
5520 | int j; | |
5521 | ||
5522 | for (i = 0; i < n_infiles; i++) | |
5523 | if (compile_input_file_p (&infiles[i])) | |
5524 | n_files++; | |
5525 | ||
5526 | argv = (char **) alloca (sizeof (char *) * (n_files + 1)); | |
5527 | ||
5528 | /* Copy the strings over. */ | |
5529 | for (i = 0, j = 0; i < n_infiles; i++) | |
5530 | if (compile_input_file_p (&infiles[i])) | |
5531 | { | |
5532 | argv[j] = CONST_CAST (char *, infiles[i].name); | |
5533 | infiles[i].compiled = true; | |
5534 | j++; | |
5535 | } | |
5536 | argv[j] = NULL; | |
5537 | ||
5538 | create_at_file (argv); | |
5539 | } | |
5540 | else | |
5541 | for (i = 0; (int) i < n_infiles; i++) | |
5542 | if (compile_input_file_p (&infiles[i])) | |
0855eab7 CT |
5543 | { |
5544 | store_arg (infiles[i].name, 0, 0); | |
5545 | infiles[i].compiled = true; | |
5546 | } | |
d1bd0ded GK |
5547 | } |
5548 | else | |
5549 | { | |
6afbc885 JM |
5550 | obstack_grow (&obstack, gcc_input_filename, |
5551 | input_filename_length); | |
d1bd0ded GK |
5552 | arg_going = 1; |
5553 | } | |
ed1f651b RS |
5554 | break; |
5555 | ||
8eebb258 | 5556 | case 'I': |
2d879387 | 5557 | { |
00dcee0c | 5558 | struct spec_path_info info; |
2d879387 | 5559 | |
2b6dd222 JM |
5560 | if (multilib_dir) |
5561 | { | |
5562 | do_spec_1 ("-imultilib", 1, NULL); | |
5563 | /* Make this a separate argument. */ | |
5564 | do_spec_1 (" ", 0, NULL); | |
5565 | do_spec_1 (multilib_dir, 1, NULL); | |
5566 | do_spec_1 (" ", 0, NULL); | |
5567 | } | |
5568 | ||
e0cdc09f MK |
5569 | if (multiarch_dir) |
5570 | { | |
5571 | do_spec_1 ("-imultiarch", 1, NULL); | |
5572 | /* Make this a separate argument. */ | |
5573 | do_spec_1 (" ", 0, NULL); | |
5574 | do_spec_1 (multiarch_dir, 1, NULL); | |
5575 | do_spec_1 (" ", 0, NULL); | |
5576 | } | |
5577 | ||
2d879387 JW |
5578 | if (gcc_exec_prefix) |
5579 | { | |
6496a589 | 5580 | do_spec_1 ("-iprefix", 1, NULL); |
2d879387 | 5581 | /* Make this a separate argument. */ |
6496a589 KG |
5582 | do_spec_1 (" ", 0, NULL); |
5583 | do_spec_1 (gcc_exec_prefix, 1, NULL); | |
5584 | do_spec_1 (" ", 0, NULL); | |
2d879387 JW |
5585 | } |
5586 | ||
e7f13528 GP |
5587 | if (target_system_root_changed || |
5588 | (target_system_root && target_sysroot_hdrs_suffix)) | |
047d636f DJ |
5589 | { |
5590 | do_spec_1 ("-isysroot", 1, NULL); | |
5591 | /* Make this a separate argument. */ | |
5592 | do_spec_1 (" ", 0, NULL); | |
5593 | do_spec_1 (target_system_root, 1, NULL); | |
e7f13528 GP |
5594 | if (target_sysroot_hdrs_suffix) |
5595 | do_spec_1 (target_sysroot_hdrs_suffix, 1, NULL); | |
047d636f DJ |
5596 | do_spec_1 (" ", 0, NULL); |
5597 | } | |
5598 | ||
00dcee0c AM |
5599 | info.option = "-isystem"; |
5600 | info.append = "include"; | |
5601 | info.append_len = strlen (info.append); | |
5602 | info.omit_relative = false; | |
5603 | info.separate_options = true; | |
5604 | ||
5605 | for_each_path (&include_prefixes, false, info.append_len, | |
5606 | spec_path, &info); | |
f686ec05 JM |
5607 | |
5608 | info.append = "include-fixed"; | |
14da6073 JM |
5609 | if (*sysroot_hdrs_suffix_spec) |
5610 | info.append = concat (info.append, dir_separator_str, | |
5611 | multilib_dir, NULL); | |
f686ec05 JM |
5612 | info.append_len = strlen (info.append); |
5613 | for_each_path (&include_prefixes, false, info.append_len, | |
5614 | spec_path, &info); | |
2d879387 | 5615 | } |
8eebb258 RS |
5616 | break; |
5617 | ||
ed1f651b | 5618 | case 'o': |
15c5edb9 TT |
5619 | { |
5620 | int max = n_infiles; | |
15c5edb9 | 5621 | max += lang_specific_extra_outfiles; |
08dc830e | 5622 | |
2091ff66 NF |
5623 | if (HAVE_GNU_LD && at_file_supplied) |
5624 | { | |
5625 | /* We are going to expand `%o' to `@FILE', where FILE | |
5626 | is a newly-created temporary filename. The filenames | |
5627 | that would usually be expanded in place of %o will be | |
5628 | written to the temporary file. */ | |
5629 | ||
2091ff66 | 5630 | char **argv; |
5a691e98 | 5631 | int n_files, j; |
2091ff66 NF |
5632 | |
5633 | /* Convert OUTFILES into a form suitable for writeargv. */ | |
5634 | ||
5635 | /* Determine how many are non-NULL. */ | |
5636 | for (n_files = 0, i = 0; i < max; i++) | |
5637 | n_files += outfiles[i] != NULL; | |
5638 | ||
e1e4cdc4 | 5639 | argv = (char **) alloca (sizeof (char *) * (n_files + 1)); |
2091ff66 NF |
5640 | |
5641 | /* Copy the strings over. */ | |
5642 | for (i = 0, j = 0; i < max; i++) | |
5643 | if (outfiles[i]) | |
5644 | { | |
b1d5455a | 5645 | argv[j] = CONST_CAST (char *, outfiles[i]); |
2091ff66 NF |
5646 | j++; |
5647 | } | |
5648 | argv[j] = NULL; | |
5649 | ||
5a691e98 | 5650 | create_at_file (argv); |
2091ff66 NF |
5651 | } |
5652 | else | |
5653 | for (i = 0; i < max; i++) | |
5654 | if (outfiles[i]) | |
5655 | store_arg (outfiles[i], 0, 0); | |
15c5edb9 TT |
5656 | break; |
5657 | } | |
ed1f651b | 5658 | |
ed7dae04 | 5659 | case 'O': |
45936a85 | 5660 | obstack_grow (&obstack, TARGET_OBJECT_SUFFIX, strlen (TARGET_OBJECT_SUFFIX)); |
ed7dae04 RK |
5661 | arg_going = 1; |
5662 | break; | |
5663 | ||
ed1f651b RS |
5664 | case 's': |
5665 | this_is_library_file = 1; | |
5666 | break; | |
5667 | ||
3beb864c NC |
5668 | case 'T': |
5669 | this_is_linker_script = 1; | |
5670 | break; | |
5671 | ||
17211ab5 GK |
5672 | case 'V': |
5673 | outfiles[input_file_number] = NULL; | |
5674 | break; | |
5675 | ||
ed1f651b RS |
5676 | case 'w': |
5677 | this_is_output_file = 1; | |
5678 | break; | |
5679 | ||
5680 | case 'W': | |
5681 | { | |
9771b263 | 5682 | unsigned int cur_index = argbuf.length (); |
ed1f651b RS |
5683 | /* Handle the {...} following the %W. */ |
5684 | if (*p != '{') | |
40fecdd6 JM |
5685 | fatal_error (input_location, |
5686 | "spec %qs has invalid %<%%W%c%>", spec, *p); | |
ed1f651b RS |
5687 | p = handle_braces (p + 1); |
5688 | if (p == 0) | |
5689 | return -1; | |
13e7cedb | 5690 | end_going_arg (); |
ed1f651b RS |
5691 | /* If any args were output, mark the last one for deletion |
5692 | on failure. */ | |
9771b263 DN |
5693 | if (argbuf.length () != cur_index) |
5694 | record_temp_file (argbuf.last (), 0, 1); | |
ed1f651b RS |
5695 | break; |
5696 | } | |
5697 | ||
5698 | /* %x{OPTION} records OPTION for %X to output. */ | |
5699 | case 'x': | |
5700 | { | |
878f32c3 | 5701 | const char *p1 = p; |
ed1f651b | 5702 | char *string; |
69d540bd NF |
5703 | char *opt; |
5704 | unsigned ix; | |
ed1f651b RS |
5705 | |
5706 | /* Skip past the option value and make a copy. */ | |
5707 | if (*p != '{') | |
40fecdd6 JM |
5708 | fatal_error (input_location, |
5709 | "spec %qs has invalid %<%%x%c%>", spec, *p); | |
ed1f651b RS |
5710 | while (*p++ != '}') |
5711 | ; | |
5712 | string = save_string (p1 + 1, p - p1 - 2); | |
5713 | ||
5714 | /* See if we already recorded this option. */ | |
9771b263 | 5715 | FOR_EACH_VEC_ELT (linker_options, ix, opt) |
69d540bd | 5716 | if (! strcmp (string, opt)) |
ed1f651b RS |
5717 | { |
5718 | free (string); | |
5719 | return 0; | |
5720 | } | |
5721 | ||
5722 | /* This option is new; add it. */ | |
b8468bc7 | 5723 | add_linker_option (string, strlen (string)); |
fc429b48 | 5724 | free (string); |
ed1f651b RS |
5725 | } |
5726 | break; | |
5727 | ||
368dfd3a | 5728 | /* Dump out the options accumulated previously using %x. */ |
ed1f651b | 5729 | case 'X': |
69d540bd | 5730 | do_specs_vec (linker_options); |
ed1f651b RS |
5731 | break; |
5732 | ||
c9ebacb8 RS |
5733 | /* Dump out the options accumulated previously using -Wa,. */ |
5734 | case 'Y': | |
69d540bd | 5735 | do_specs_vec (assembler_options); |
c9ebacb8 RS |
5736 | break; |
5737 | ||
57cb9b60 JW |
5738 | /* Dump out the options accumulated previously using -Wp,. */ |
5739 | case 'Z': | |
69d540bd | 5740 | do_specs_vec (preprocessor_options); |
57cb9b60 JW |
5741 | break; |
5742 | ||
ed1f651b RS |
5743 | /* Here are digits and numbers that just process |
5744 | a certain constant string as a spec. */ | |
5745 | ||
5746 | case '1': | |
6496a589 | 5747 | value = do_spec_1 (cc1_spec, 0, NULL); |
3279bba6 RS |
5748 | if (value != 0) |
5749 | return value; | |
ed1f651b RS |
5750 | break; |
5751 | ||
5752 | case '2': | |
6496a589 | 5753 | value = do_spec_1 (cc1plus_spec, 0, NULL); |
3279bba6 RS |
5754 | if (value != 0) |
5755 | return value; | |
ed1f651b RS |
5756 | break; |
5757 | ||
5758 | case 'a': | |
6496a589 | 5759 | value = do_spec_1 (asm_spec, 0, NULL); |
3279bba6 RS |
5760 | if (value != 0) |
5761 | return value; | |
ed1f651b RS |
5762 | break; |
5763 | ||
5764 | case 'A': | |
6496a589 | 5765 | value = do_spec_1 (asm_final_spec, 0, NULL); |
3279bba6 RS |
5766 | if (value != 0) |
5767 | return value; | |
ed1f651b RS |
5768 | break; |
5769 | ||
ed1f651b | 5770 | case 'C': |
a9374841 | 5771 | { |
83182544 | 5772 | const char *const spec |
589005ff KH |
5773 | = (input_file_compiler->cpp_spec |
5774 | ? input_file_compiler->cpp_spec | |
a9374841 | 5775 | : cpp_spec); |
6496a589 | 5776 | value = do_spec_1 (spec, 0, NULL); |
a9374841 MM |
5777 | if (value != 0) |
5778 | return value; | |
5779 | } | |
ed1f651b RS |
5780 | break; |
5781 | ||
5782 | case 'E': | |
6496a589 | 5783 | value = do_spec_1 (endfile_spec, 0, NULL); |
3279bba6 RS |
5784 | if (value != 0) |
5785 | return value; | |
ed1f651b RS |
5786 | break; |
5787 | ||
5788 | case 'l': | |
6496a589 | 5789 | value = do_spec_1 (link_spec, 0, NULL); |
3279bba6 RS |
5790 | if (value != 0) |
5791 | return value; | |
ed1f651b RS |
5792 | break; |
5793 | ||
5794 | case 'L': | |
6496a589 | 5795 | value = do_spec_1 (lib_spec, 0, NULL); |
3279bba6 RS |
5796 | if (value != 0) |
5797 | return value; | |
ed1f651b RS |
5798 | break; |
5799 | ||
3cd50158 SD |
5800 | case 'M': |
5801 | if (multilib_os_dir == NULL) | |
5802 | obstack_1grow (&obstack, '.'); | |
5803 | else | |
5804 | obstack_grow (&obstack, multilib_os_dir, | |
5805 | strlen (multilib_os_dir)); | |
5806 | break; | |
5807 | ||
68d69835 | 5808 | case 'G': |
6496a589 | 5809 | value = do_spec_1 (libgcc_spec, 0, NULL); |
68d69835 JM |
5810 | if (value != 0) |
5811 | return value; | |
5812 | break; | |
5813 | ||
4977bab6 ZW |
5814 | case 'R': |
5815 | /* We assume there is a directory | |
5816 | separator at the end of this string. */ | |
5817 | if (target_system_root) | |
1d088dee AJ |
5818 | { |
5819 | obstack_grow (&obstack, target_system_root, | |
e7f13528 GP |
5820 | strlen (target_system_root)); |
5821 | if (target_sysroot_suffix) | |
1d088dee | 5822 | obstack_grow (&obstack, target_sysroot_suffix, |
e7f13528 GP |
5823 | strlen (target_sysroot_suffix)); |
5824 | } | |
4977bab6 ZW |
5825 | break; |
5826 | ||
ed1f651b | 5827 | case 'S': |
6496a589 | 5828 | value = do_spec_1 (startfile_spec, 0, NULL); |
3279bba6 RS |
5829 | if (value != 0) |
5830 | return value; | |
ed1f651b RS |
5831 | break; |
5832 | ||
5833 | /* Here we define characters other than letters and digits. */ | |
5834 | ||
5835 | case '{': | |
5836 | p = handle_braces (p); | |
5837 | if (p == 0) | |
5838 | return -1; | |
5839 | break; | |
5840 | ||
f3226a90 | 5841 | case ':': |
de5a5fa1 | 5842 | p = handle_spec_function (p, NULL); |
f3226a90 JT |
5843 | if (p == 0) |
5844 | return -1; | |
5845 | break; | |
5846 | ||
ed1f651b RS |
5847 | case '%': |
5848 | obstack_1grow (&obstack, '%'); | |
5849 | break; | |
5850 | ||
589005ff KH |
5851 | case '.': |
5852 | { | |
5853 | unsigned len = 0; | |
11972f66 | 5854 | |
589005ff KH |
5855 | while (p[len] && p[len] != ' ' && p[len] != '%') |
5856 | len++; | |
5857 | suffix_subst = save_string (p - 1, len + 1); | |
5858 | p += len; | |
5859 | } | |
11972f66 | 5860 | break; |
589005ff | 5861 | |
4977bab6 ZW |
5862 | /* Henceforth ignore the option(s) matching the pattern |
5863 | after the %<. */ | |
5864 | case '<': | |
96f5b137 | 5865 | case '>': |
4977bab6 ZW |
5866 | { |
5867 | unsigned len = 0; | |
5868 | int have_wildcard = 0; | |
5869 | int i; | |
96f5b137 L |
5870 | int switch_option; |
5871 | ||
5872 | if (c == '>') | |
5873 | switch_option = SWITCH_IGNORE | SWITCH_KEEP_FOR_GCC; | |
5874 | else | |
5875 | switch_option = SWITCH_IGNORE; | |
4977bab6 ZW |
5876 | |
5877 | while (p[len] && p[len] != ' ' && p[len] != '\t') | |
5878 | len++; | |
5879 | ||
5880 | if (p[len-1] == '*') | |
5881 | have_wildcard = 1; | |
5882 | ||
5883 | for (i = 0; i < n_switches; i++) | |
5884 | if (!strncmp (switches[i].part1, p, len - have_wildcard) | |
5885 | && (have_wildcard || switches[i].part1[len] == '\0')) | |
5886 | { | |
96f5b137 | 5887 | switches[i].live_cond |= switch_option; |
d168aaee CB |
5888 | /* User switch be validated from validate_all_switches. |
5889 | when the definition is seen from the spec file. | |
5890 | If not defined anywhere, will be rejected. */ | |
5891 | if (switches[i].known) | |
5892 | switches[i].validated = true; | |
4977bab6 ZW |
5893 | } |
5894 | ||
5895 | p += len; | |
5896 | } | |
5897 | break; | |
5898 | ||
ed1f651b | 5899 | case '*': |
3ac63d94 NC |
5900 | if (soft_matched_part) |
5901 | { | |
7fcf46f5 JZ |
5902 | if (soft_matched_part[0]) |
5903 | do_spec_1 (soft_matched_part, 1, NULL); | |
25990163 NC |
5904 | /* Only insert a space after the substitution if it is at the |
5905 | end of the current sequence. So if: | |
5906 | ||
5907 | "%{foo=*:bar%*}%{foo=*:one%*two}" | |
5908 | ||
5909 | matches -foo=hello then it will produce: | |
5910 | ||
5911 | barhello onehellotwo | |
5912 | */ | |
5913 | if (*p == 0 || *p == '}') | |
5914 | do_spec_1 (" ", 0, NULL); | |
3ac63d94 NC |
5915 | } |
5916 | else | |
5917 | /* Catch the case where a spec string contains something like | |
454ff5cb | 5918 | '%{foo:%*}'. i.e. there is no * in the pattern on the left |
3ac63d94 | 5919 | hand side of the :. */ |
bdc6b402 | 5920 | error ("spec failure: %<%%*%> has not been initialized by pattern match"); |
ed1f651b RS |
5921 | break; |
5922 | ||
5923 | /* Process a string found as the value of a spec given by name. | |
5924 | This feature allows individual machine descriptions | |
3ce9f090 | 5925 | to add and use their own specs. */ |
ed1f651b | 5926 | case '(': |
ed1f651b | 5927 | { |
878f32c3 | 5928 | const char *name = p; |
ed1f651b RS |
5929 | struct spec_list *sl; |
5930 | int len; | |
5931 | ||
5932 | /* The string after the S/P is the name of a spec that is to be | |
0f41302f | 5933 | processed. */ |
3ce9f090 | 5934 | while (*p && *p != ')') |
ed1f651b RS |
5935 | p++; |
5936 | ||
3ac63d94 | 5937 | /* See if it's in the list. */ |
ed1f651b | 5938 | for (len = p - name, sl = specs; sl; sl = sl->next) |
79aff5ac | 5939 | if (sl->name_len == len && !strncmp (sl->name, name, len)) |
ed1f651b | 5940 | { |
79aff5ac | 5941 | name = *(sl->ptr_spec); |
20df0482 | 5942 | #ifdef DEBUG_SPECS |
3ce9f090 JM |
5943 | fnotice (stderr, "Processing spec (%s), which is '%s'\n", |
5944 | sl->name, name); | |
20df0482 | 5945 | #endif |
ed1f651b RS |
5946 | break; |
5947 | } | |
5948 | ||
5949 | if (sl) | |
5950 | { | |
3ce9f090 JM |
5951 | value = do_spec_1 (name, 0, NULL); |
5952 | if (value != 0) | |
5953 | return value; | |
ed1f651b | 5954 | } |
b3865ca9 | 5955 | |
3ce9f090 | 5956 | /* Discard the closing paren. */ |
b3865ca9 RS |
5957 | if (*p) |
5958 | p++; | |
ed1f651b RS |
5959 | } |
5960 | break; | |
5961 | ||
5962 | default: | |
bdc6b402 | 5963 | error ("spec failure: unrecognized spec option %qc", c); |
3ac63d94 | 5964 | break; |
ed1f651b RS |
5965 | } |
5966 | break; | |
5967 | ||
5968 | case '\\': | |
5969 | /* Backslash: treat next character as ordinary. */ | |
5970 | c = *p++; | |
5971 | ||
938d968e | 5972 | /* Fall through. */ |
ed1f651b RS |
5973 | default: |
5974 | /* Ordinary character: put it into the current argument. */ | |
5975 | obstack_1grow (&obstack, c); | |
5976 | arg_going = 1; | |
5977 | } | |
5978 | ||
f3226a90 JT |
5979 | /* End of string. If we are processing a spec function, we need to |
5980 | end any pending argument. */ | |
13e7cedb DH |
5981 | if (processing_spec_function) |
5982 | end_going_arg (); | |
f3226a90 | 5983 | |
d25a45d4 | 5984 | return 0; |
ed1f651b RS |
5985 | } |
5986 | ||
f3226a90 JT |
5987 | /* Look up a spec function. */ |
5988 | ||
5989 | static const struct spec_function * | |
1d088dee | 5990 | lookup_spec_function (const char *name) |
f3226a90 | 5991 | { |
f3226a90 | 5992 | const struct spec_function *sf; |
f3226a90 | 5993 | |
4c360e1f RE |
5994 | for (sf = static_spec_functions; sf->name != NULL; sf++) |
5995 | if (strcmp (sf->name, name) == 0) | |
5996 | return sf; | |
f3226a90 JT |
5997 | |
5998 | return NULL; | |
5999 | } | |
6000 | ||
6001 | /* Evaluate a spec function. */ | |
6002 | ||
6003 | static const char * | |
1d088dee | 6004 | eval_spec_function (const char *func, const char *args) |
f3226a90 JT |
6005 | { |
6006 | const struct spec_function *sf; | |
6007 | const char *funcval; | |
6008 | ||
6009 | /* Saved spec processing context. */ | |
9771b263 | 6010 | vec<const_char_p> save_argbuf; |
f3226a90 JT |
6011 | |
6012 | int save_arg_going; | |
6013 | int save_delete_this_arg; | |
6014 | int save_this_is_output_file; | |
6015 | int save_this_is_library_file; | |
6016 | int save_input_from_pipe; | |
3beb864c | 6017 | int save_this_is_linker_script; |
f3226a90 JT |
6018 | const char *save_suffix_subst; |
6019 | ||
b50ff8bb | 6020 | int save_growing_size; |
f87604f8 | 6021 | void *save_growing_value = NULL; |
f3226a90 JT |
6022 | |
6023 | sf = lookup_spec_function (func); | |
6024 | if (sf == NULL) | |
40fecdd6 | 6025 | fatal_error (input_location, "unknown spec function %qs", func); |
f3226a90 JT |
6026 | |
6027 | /* Push the spec processing context. */ | |
f3226a90 JT |
6028 | save_argbuf = argbuf; |
6029 | ||
6030 | save_arg_going = arg_going; | |
6031 | save_delete_this_arg = delete_this_arg; | |
6032 | save_this_is_output_file = this_is_output_file; | |
6033 | save_this_is_library_file = this_is_library_file; | |
3beb864c | 6034 | save_this_is_linker_script = this_is_linker_script; |
f3226a90 JT |
6035 | save_input_from_pipe = input_from_pipe; |
6036 | save_suffix_subst = suffix_subst; | |
6037 | ||
b50ff8bb OH |
6038 | /* If we have some object growing now, finalize it so the args and function |
6039 | eval proceed from a cleared context. This is needed to prevent the first | |
6040 | constructed arg from mistakenly including the growing value. We'll push | |
6041 | this value back on the obstack once the function evaluation is done, to | |
6042 | restore a consistent processing context for our caller. This is fine as | |
6043 | the address of growing objects isn't guaranteed to remain stable until | |
6044 | they are finalized, and we expect this situation to be rare enough for | |
6045 | the extra copy not to be an issue. */ | |
6046 | save_growing_size = obstack_object_size (&obstack); | |
6047 | if (save_growing_size > 0) | |
6048 | save_growing_value = obstack_finish (&obstack); | |
6049 | ||
f3226a90 JT |
6050 | /* Create a new spec processing context, and build the function |
6051 | arguments. */ | |
6052 | ||
6053 | alloc_args (); | |
6054 | if (do_spec_2 (args) < 0) | |
40fecdd6 | 6055 | fatal_error (input_location, "error in args to spec function %qs", func); |
f3226a90 JT |
6056 | |
6057 | /* argbuf_index is an index for the next argument to be inserted, and | |
6058 | so contains the count of the args already inserted. */ | |
6059 | ||
9771b263 DN |
6060 | funcval = (*sf->func) (argbuf.length (), |
6061 | argbuf.address ()); | |
f3226a90 JT |
6062 | |
6063 | /* Pop the spec processing context. */ | |
9771b263 | 6064 | argbuf.release (); |
f3226a90 JT |
6065 | argbuf = save_argbuf; |
6066 | ||
6067 | arg_going = save_arg_going; | |
6068 | delete_this_arg = save_delete_this_arg; | |
6069 | this_is_output_file = save_this_is_output_file; | |
6070 | this_is_library_file = save_this_is_library_file; | |
3beb864c | 6071 | this_is_linker_script = save_this_is_linker_script; |
f3226a90 JT |
6072 | input_from_pipe = save_input_from_pipe; |
6073 | suffix_subst = save_suffix_subst; | |
6074 | ||
b50ff8bb OH |
6075 | if (save_growing_size > 0) |
6076 | obstack_grow (&obstack, save_growing_value, save_growing_size); | |
6077 | ||
f3226a90 JT |
6078 | return funcval; |
6079 | } | |
6080 | ||
6081 | /* Handle a spec function call of the form: | |
6082 | ||
6083 | %:function(args) | |
6084 | ||
6085 | ARGS is processed as a spec in a separate context and split into an | |
6086 | argument vector in the normal fashion. The function returns a string | |
6087 | containing a spec which we then process in the caller's context, or | |
de5a5fa1 MP |
6088 | NULL if no processing is required. |
6089 | ||
6090 | If RETVAL_NONNULL is not NULL, then store a bool whether function | |
6091 | returned non-NULL. */ | |
f3226a90 JT |
6092 | |
6093 | static const char * | |
de5a5fa1 | 6094 | handle_spec_function (const char *p, bool *retval_nonnull) |
f3226a90 JT |
6095 | { |
6096 | char *func, *args; | |
6097 | const char *endp, *funcval; | |
6098 | int count; | |
6099 | ||
6100 | processing_spec_function++; | |
6101 | ||
6102 | /* Get the function name. */ | |
6103 | for (endp = p; *endp != '\0'; endp++) | |
6104 | { | |
6105 | if (*endp == '(') /* ) */ | |
6106 | break; | |
6107 | /* Only allow [A-Za-z0-9], -, and _ in function names. */ | |
6108 | if (!ISALNUM (*endp) && !(*endp == '-' || *endp == '_')) | |
40fecdd6 | 6109 | fatal_error (input_location, "malformed spec function name"); |
f3226a90 JT |
6110 | } |
6111 | if (*endp != '(') /* ) */ | |
40fecdd6 | 6112 | fatal_error (input_location, "no arguments for spec function"); |
f3226a90 JT |
6113 | func = save_string (p, endp - p); |
6114 | p = ++endp; | |
6115 | ||
6116 | /* Get the arguments. */ | |
6117 | for (count = 0; *endp != '\0'; endp++) | |
6118 | { | |
6119 | /* ( */ | |
6120 | if (*endp == ')') | |
6121 | { | |
6122 | if (count == 0) | |
6123 | break; | |
6124 | count--; | |
6125 | } | |
6126 | else if (*endp == '(') /* ) */ | |
6127 | count++; | |
6128 | } | |
6129 | /* ( */ | |
6130 | if (*endp != ')') | |
40fecdd6 | 6131 | fatal_error (input_location, "malformed spec function arguments"); |
f3226a90 JT |
6132 | args = save_string (p, endp - p); |
6133 | p = ++endp; | |
6134 | ||
6135 | /* p now points to just past the end of the spec function expression. */ | |
6136 | ||
6137 | funcval = eval_spec_function (func, args); | |
6138 | if (funcval != NULL && do_spec_1 (funcval, 0, NULL) < 0) | |
6139 | p = NULL; | |
de5a5fa1 MP |
6140 | if (retval_nonnull) |
6141 | *retval_nonnull = funcval != NULL; | |
f3226a90 JT |
6142 | |
6143 | free (func); | |
6144 | free (args); | |
6145 | ||
6146 | processing_spec_function--; | |
6147 | ||
6148 | return p; | |
6149 | } | |
6150 | ||
4977bab6 ZW |
6151 | /* Inline subroutine of handle_braces. Returns true if the current |
6152 | input suffix matches the atom bracketed by ATOM and END_ATOM. */ | |
6153 | static inline bool | |
1d088dee | 6154 | input_suffix_matches (const char *atom, const char *end_atom) |
4977bab6 ZW |
6155 | { |
6156 | return (input_suffix | |
6157 | && !strncmp (input_suffix, atom, end_atom - atom) | |
6158 | && input_suffix[end_atom - atom] == '\0'); | |
6159 | } | |
ed1f651b | 6160 | |
48137d59 GK |
6161 | /* Subroutine of handle_braces. Returns true if the current |
6162 | input file's spec name matches the atom bracketed by ATOM and END_ATOM. */ | |
6163 | static bool | |
6164 | input_spec_matches (const char *atom, const char *end_atom) | |
6165 | { | |
6166 | return (input_file_compiler | |
6167 | && input_file_compiler->suffix | |
6168 | && input_file_compiler->suffix[0] != '\0' | |
6169 | && !strncmp (input_file_compiler->suffix + 1, atom, | |
6170 | end_atom - atom) | |
6171 | && input_file_compiler->suffix[end_atom - atom + 1] == '\0'); | |
6172 | } | |
6173 | ||
953ff289 | 6174 | /* Subroutine of handle_braces. Returns true if a switch |
4977bab6 ZW |
6175 | matching the atom bracketed by ATOM and END_ATOM appeared on the |
6176 | command line. */ | |
953ff289 | 6177 | static bool |
1d088dee | 6178 | switch_matches (const char *atom, const char *end_atom, int starred) |
ed1f651b | 6179 | { |
4977bab6 ZW |
6180 | int i; |
6181 | int len = end_atom - atom; | |
6182 | int plen = starred ? len : -1; | |
ed1f651b | 6183 | |
4977bab6 ZW |
6184 | for (i = 0; i < n_switches; i++) |
6185 | if (!strncmp (switches[i].part1, atom, len) | |
6186 | && (starred || switches[i].part1[len] == '\0') | |
6187 | && check_live_switch (i, plen)) | |
6188 | return true; | |
8097c429 | 6189 | |
5371f719 MG |
6190 | /* Check if a switch with separated form matching the atom. |
6191 | We check -D and -U switches. */ | |
6192 | else if (switches[i].args != 0) | |
6193 | { | |
6194 | if ((*switches[i].part1 == 'D' || *switches[i].part1 == 'U') | |
6195 | && *switches[i].part1 == atom[0]) | |
6196 | { | |
6197 | if (!strncmp (switches[i].args[0], &atom[1], len - 1) | |
6198 | && (starred || (switches[i].part1[1] == '\0' | |
6199 | && switches[i].args[0][len - 1] == '\0')) | |
6200 | && check_live_switch (i, (starred ? 1 : -1))) | |
6201 | return true; | |
6202 | } | |
6203 | } | |
6204 | ||
4977bab6 ZW |
6205 | return false; |
6206 | } | |
ed1f651b | 6207 | |
4977bab6 ZW |
6208 | /* Inline subroutine of handle_braces. Mark all of the switches which |
6209 | match ATOM (extends to END_ATOM; STARRED indicates whether there | |
6210 | was a star after the atom) for later processing. */ | |
6211 | static inline void | |
1d088dee | 6212 | mark_matching_switches (const char *atom, const char *end_atom, int starred) |
4977bab6 ZW |
6213 | { |
6214 | int i; | |
6215 | int len = end_atom - atom; | |
6216 | int plen = starred ? len : -1; | |
6217 | ||
6218 | for (i = 0; i < n_switches; i++) | |
6219 | if (!strncmp (switches[i].part1, atom, len) | |
6220 | && (starred || switches[i].part1[len] == '\0') | |
6221 | && check_live_switch (i, plen)) | |
6222 | switches[i].ordering = 1; | |
6223 | } | |
9bf09437 | 6224 | |
4977bab6 ZW |
6225 | /* Inline subroutine of handle_braces. Process all the currently |
6226 | marked switches through give_switch, and clear the marks. */ | |
6227 | static inline void | |
1d088dee | 6228 | process_marked_switches (void) |
4977bab6 ZW |
6229 | { |
6230 | int i; | |
ed1f651b | 6231 | |
4977bab6 ZW |
6232 | for (i = 0; i < n_switches; i++) |
6233 | if (switches[i].ordering == 1) | |
6234 | { | |
6235 | switches[i].ordering = 0; | |
6236 | give_switch (i, 0); | |
6237 | } | |
6238 | } | |
ed1f651b | 6239 | |
4977bab6 ZW |
6240 | /* Handle a %{ ... } construct. P points just inside the leading {. |
6241 | Returns a pointer one past the end of the brace block, or 0 | |
6242 | if we call do_spec_1 and that returns -1. */ | |
ed1f651b | 6243 | |
4977bab6 | 6244 | static const char * |
1d088dee | 6245 | handle_braces (const char *p) |
4977bab6 ZW |
6246 | { |
6247 | const char *atom, *end_atom; | |
6248 | const char *d_atom = NULL, *d_end_atom = NULL; | |
31c83050 JD |
6249 | char *esc_buf = NULL, *d_esc_buf = NULL; |
6250 | int esc; | |
3b5edfee | 6251 | const char *orig = p; |
8097c429 | 6252 | |
4977bab6 | 6253 | bool a_is_suffix; |
48137d59 | 6254 | bool a_is_spectype; |
4977bab6 ZW |
6255 | bool a_is_starred; |
6256 | bool a_is_negated; | |
6257 | bool a_matched; | |
9bf09437 | 6258 | |
4977bab6 ZW |
6259 | bool a_must_be_last = false; |
6260 | bool ordered_set = false; | |
6261 | bool disjunct_set = false; | |
6262 | bool disj_matched = false; | |
6263 | bool disj_starred = true; | |
6264 | bool n_way_choice = false; | |
6265 | bool n_way_matched = false; | |
6266 | ||
6267 | #define SKIP_WHITE() do { while (*p == ' ' || *p == '\t') p++; } while (0) | |
9bf09437 | 6268 | |
4977bab6 | 6269 | do |
ed1f651b | 6270 | { |
4977bab6 | 6271 | if (a_must_be_last) |
3b5edfee | 6272 | goto invalid; |
9bf09437 | 6273 | |
4977bab6 | 6274 | /* Scan one "atom" (S in the description above of %{}, possibly |
48137d59 GK |
6275 | with '!', '.', '@', ',', or '*' modifiers). */ |
6276 | a_matched = false; | |
6277 | a_is_suffix = false; | |
6278 | a_is_starred = false; | |
6279 | a_is_negated = false; | |
6280 | a_is_spectype = false; | |
9218435e | 6281 | |
c3284718 | 6282 | SKIP_WHITE (); |
4977bab6 ZW |
6283 | if (*p == '!') |
6284 | p++, a_is_negated = true; | |
ed1f651b | 6285 | |
c3284718 | 6286 | SKIP_WHITE (); |
de5a5fa1 MP |
6287 | if (*p == '%' && p[1] == ':') |
6288 | { | |
6289 | atom = NULL; | |
6290 | end_atom = NULL; | |
6291 | p = handle_spec_function (p + 2, &a_matched); | |
6292 | } | |
6293 | else | |
6294 | { | |
6295 | if (*p == '.') | |
6296 | p++, a_is_suffix = true; | |
6297 | else if (*p == ',') | |
6298 | p++, a_is_spectype = true; | |
6299 | ||
6300 | atom = p; | |
31c83050 | 6301 | esc = 0; |
c3284718 | 6302 | while (ISIDNUM (*p) || *p == '-' || *p == '+' || *p == '=' |
31c83050 JD |
6303 | || *p == ',' || *p == '.' || *p == '@' || *p == '\\') |
6304 | { | |
6305 | if (*p == '\\') | |
6306 | { | |
6307 | p++; | |
6308 | if (!*p) | |
6309 | fatal_error (input_location, | |
6310 | "braced spec %qs ends in escape", orig); | |
6311 | esc++; | |
6312 | } | |
6313 | p++; | |
6314 | } | |
de5a5fa1 | 6315 | end_atom = p; |
ed1f651b | 6316 | |
31c83050 JD |
6317 | if (esc) |
6318 | { | |
6319 | const char *ap; | |
6320 | char *ep; | |
6321 | ||
6322 | if (esc_buf && esc_buf != d_esc_buf) | |
6323 | free (esc_buf); | |
6324 | esc_buf = NULL; | |
6325 | ep = esc_buf = (char *) xmalloc (end_atom - atom - esc + 1); | |
6326 | for (ap = atom; ap != end_atom; ap++, ep++) | |
6327 | { | |
6328 | if (*ap == '\\') | |
6329 | ap++; | |
6330 | *ep = *ap; | |
6331 | } | |
6332 | *ep = '\0'; | |
6333 | atom = esc_buf; | |
6334 | end_atom = ep; | |
6335 | } | |
6336 | ||
de5a5fa1 MP |
6337 | if (*p == '*') |
6338 | p++, a_is_starred = 1; | |
6339 | } | |
196a37f4 | 6340 | |
c3284718 | 6341 | SKIP_WHITE (); |
3b5edfee | 6342 | switch (*p) |
4977bab6 | 6343 | { |
3b5edfee | 6344 | case '&': case '}': |
4977bab6 ZW |
6345 | /* Substitute the switch(es) indicated by the current atom. */ |
6346 | ordered_set = true; | |
6347 | if (disjunct_set || n_way_choice || a_is_negated || a_is_suffix | |
48137d59 | 6348 | || a_is_spectype || atom == end_atom) |
3b5edfee | 6349 | goto invalid; |
ed1f651b | 6350 | |
4977bab6 ZW |
6351 | mark_matching_switches (atom, end_atom, a_is_starred); |
6352 | ||
6353 | if (*p == '}') | |
6354 | process_marked_switches (); | |
3b5edfee NS |
6355 | break; |
6356 | ||
6357 | case '|': case ':': | |
4977bab6 ZW |
6358 | /* Substitute some text if the current atom appears as a switch |
6359 | or suffix. */ | |
6360 | disjunct_set = true; | |
6361 | if (ordered_set) | |
3b5edfee | 6362 | goto invalid; |
ed1f651b | 6363 | |
de5a5fa1 | 6364 | if (atom && atom == end_atom) |
ed1f651b | 6365 | { |
4977bab6 | 6366 | if (!n_way_choice || disj_matched || *p == '|' |
b8698a0f | 6367 | || a_is_negated || a_is_suffix || a_is_spectype |
48137d59 | 6368 | || a_is_starred) |
3b5edfee | 6369 | goto invalid; |
4977bab6 ZW |
6370 | |
6371 | /* An empty term may appear as the last choice of an | |
6372 | N-way choice set; it means "otherwise". */ | |
6373 | a_must_be_last = true; | |
6374 | disj_matched = !n_way_matched; | |
6375 | disj_starred = false; | |
ed1f651b | 6376 | } |
4977bab6 | 6377 | else |
ed1f651b | 6378 | { |
48137d59 GK |
6379 | if ((a_is_suffix || a_is_spectype) && a_is_starred) |
6380 | goto invalid; | |
3beb864c | 6381 | |
48137d59 GK |
6382 | if (!a_is_starred) |
6383 | disj_starred = false; | |
6384 | ||
6385 | /* Don't bother testing this atom if we already have a | |
6386 | match. */ | |
6387 | if (!disj_matched && !n_way_matched) | |
6388 | { | |
de5a5fa1 MP |
6389 | if (atom == NULL) |
6390 | /* a_matched is already set by handle_spec_function. */; | |
6391 | else if (a_is_suffix) | |
48137d59 GK |
6392 | a_matched = input_suffix_matches (atom, end_atom); |
6393 | else if (a_is_spectype) | |
6394 | a_matched = input_spec_matches (atom, end_atom); | |
6395 | else | |
6396 | a_matched = switch_matches (atom, end_atom, a_is_starred); | |
3beb864c | 6397 | |
48137d59 GK |
6398 | if (a_matched != a_is_negated) |
6399 | { | |
6400 | disj_matched = true; | |
6401 | d_atom = atom; | |
6402 | d_end_atom = end_atom; | |
31c83050 | 6403 | d_esc_buf = esc_buf; |
48137d59 GK |
6404 | } |
6405 | } | |
ed1f651b | 6406 | } |
ed1f651b | 6407 | |
4977bab6 | 6408 | if (*p == ':') |
ed1f651b | 6409 | { |
4977bab6 ZW |
6410 | /* Found the body, that is, the text to substitute if the |
6411 | current disjunction matches. */ | |
6412 | p = process_brace_body (p + 1, d_atom, d_end_atom, disj_starred, | |
6413 | disj_matched && !n_way_matched); | |
6414 | if (p == 0) | |
31c83050 | 6415 | goto done; |
ed1f651b | 6416 | |
4977bab6 ZW |
6417 | /* If we have an N-way choice, reset state for the next |
6418 | disjunction. */ | |
6419 | if (*p == ';') | |
ed1f651b | 6420 | { |
4977bab6 ZW |
6421 | n_way_choice = true; |
6422 | n_way_matched |= disj_matched; | |
6423 | disj_matched = false; | |
6424 | disj_starred = true; | |
6425 | d_atom = d_end_atom = NULL; | |
ed1f651b RS |
6426 | } |
6427 | } | |
3b5edfee NS |
6428 | break; |
6429 | ||
6430 | default: | |
6431 | goto invalid; | |
ed1f651b | 6432 | } |
4977bab6 ZW |
6433 | } |
6434 | while (*p++ != '}'); | |
ed1f651b | 6435 | |
31c83050 JD |
6436 | done: |
6437 | if (d_esc_buf && d_esc_buf != esc_buf) | |
6438 | free (d_esc_buf); | |
6439 | if (esc_buf) | |
6440 | free (esc_buf); | |
6441 | ||
4977bab6 | 6442 | return p; |
7904f95f | 6443 | |
3b5edfee | 6444 | invalid: |
40fecdd6 | 6445 | fatal_error (input_location, "braced spec %qs is invalid at %qc", orig, *p); |
7904f95f | 6446 | |
4977bab6 ZW |
6447 | #undef SKIP_WHITE |
6448 | } | |
6449 | ||
6450 | /* Subroutine of handle_braces. Scan and process a brace substitution body | |
6451 | (X in the description of %{} syntax). P points one past the colon; | |
6452 | ATOM and END_ATOM bracket the first atom which was found to be true | |
6453 | (present) in the current disjunction; STARRED indicates whether all | |
6454 | the atoms in the current disjunction were starred (for syntax validation); | |
6455 | MATCHED indicates whether the disjunction matched or not, and therefore | |
6456 | whether or not the body is to be processed through do_spec_1 or just | |
6457 | skipped. Returns a pointer to the closing } or ;, or 0 if do_spec_1 | |
6458 | returns -1. */ | |
6459 | ||
6460 | static const char * | |
1d088dee AJ |
6461 | process_brace_body (const char *p, const char *atom, const char *end_atom, |
6462 | int starred, int matched) | |
4977bab6 ZW |
6463 | { |
6464 | const char *body, *end_body; | |
6465 | unsigned int nesting_level; | |
6466 | bool have_subst = false; | |
6467 | ||
6468 | /* Locate the closing } or ;, honoring nested braces. | |
6469 | Trim trailing whitespace. */ | |
6470 | body = p; | |
6471 | nesting_level = 1; | |
6472 | for (;;) | |
6473 | { | |
6474 | if (*p == '{') | |
6475 | nesting_level++; | |
6476 | else if (*p == '}') | |
ed1f651b | 6477 | { |
4977bab6 ZW |
6478 | if (!--nesting_level) |
6479 | break; | |
ed1f651b | 6480 | } |
4977bab6 ZW |
6481 | else if (*p == ';' && nesting_level == 1) |
6482 | break; | |
6483 | else if (*p == '%' && p[1] == '*' && nesting_level == 1) | |
6484 | have_subst = true; | |
6485 | else if (*p == '\0') | |
3b5edfee | 6486 | goto invalid; |
4977bab6 | 6487 | p++; |
ed1f651b | 6488 | } |
1d088dee | 6489 | |
4977bab6 ZW |
6490 | end_body = p; |
6491 | while (end_body[-1] == ' ' || end_body[-1] == '\t') | |
6492 | end_body--; | |
ed1f651b | 6493 | |
4977bab6 | 6494 | if (have_subst && !starred) |
3b5edfee | 6495 | goto invalid; |
9bf09437 | 6496 | |
4977bab6 | 6497 | if (matched) |
196a37f4 | 6498 | { |
4977bab6 ZW |
6499 | /* Copy the substitution body to permanent storage and execute it. |
6500 | If have_subst is false, this is a simple matter of running the | |
6501 | body through do_spec_1... */ | |
6502 | char *string = save_string (body, end_body - body); | |
6503 | if (!have_subst) | |
6504 | { | |
6505 | if (do_spec_1 (string, 0, NULL) < 0) | |
9376dd63 DM |
6506 | { |
6507 | free (string); | |
6508 | return 0; | |
6509 | } | |
4977bab6 ZW |
6510 | } |
6511 | else | |
6512 | { | |
6513 | /* ... but if have_subst is true, we have to process the | |
6514 | body once for each matching switch, with %* set to the | |
6515 | variant part of the switch. */ | |
6516 | unsigned int hard_match_len = end_atom - atom; | |
6517 | int i; | |
196a37f4 | 6518 | |
4977bab6 ZW |
6519 | for (i = 0; i < n_switches; i++) |
6520 | if (!strncmp (switches[i].part1, atom, hard_match_len) | |
6521 | && check_live_switch (i, hard_match_len)) | |
6522 | { | |
6523 | if (do_spec_1 (string, 0, | |
6524 | &switches[i].part1[hard_match_len]) < 0) | |
9376dd63 DM |
6525 | { |
6526 | free (string); | |
6527 | return 0; | |
6528 | } | |
4977bab6 ZW |
6529 | /* Pass any arguments this switch has. */ |
6530 | give_switch (i, 1); | |
6531 | suffix_subst = NULL; | |
6532 | } | |
6533 | } | |
9376dd63 | 6534 | free (string); |
10ebf5fe NB |
6535 | } |
6536 | ||
4977bab6 | 6537 | return p; |
3b5edfee NS |
6538 | |
6539 | invalid: | |
40fecdd6 | 6540 | fatal_error (input_location, "braced spec body %qs is invalid", body); |
ed1f651b | 6541 | } |
f5b0eb4e | 6542 | \f |
6c396fb5 RK |
6543 | /* Return 0 iff switch number SWITCHNUM is obsoleted by a later switch |
6544 | on the command line. PREFIX_LENGTH is the length of XXX in an {XXX*} | |
6545 | spec, or -1 if either exact match or %* is used. | |
f5b0eb4e | 6546 | |
99ea153e | 6547 | A -O switch is obsoleted by a later -O switch. A -f, -g, -m, or -W switch |
f5b0eb4e RK |
6548 | whose value does not begin with "no-" is obsoleted by the same value |
6549 | with the "no-", similarly for a switch with the "no-" prefix. */ | |
6550 | ||
6551 | static int | |
1d088dee | 6552 | check_live_switch (int switchnum, int prefix_length) |
f5b0eb4e | 6553 | { |
878f32c3 | 6554 | const char *name = switches[switchnum].part1; |
f5b0eb4e RK |
6555 | int i; |
6556 | ||
2153915d AO |
6557 | /* If we already processed this switch and determined if it was |
6558 | live or not, return our past determination. */ | |
6559 | if (switches[switchnum].live_cond != 0) | |
6560 | return ((switches[switchnum].live_cond & SWITCH_LIVE) != 0 | |
6561 | && (switches[switchnum].live_cond & SWITCH_FALSE) == 0 | |
94b90527 JJ |
6562 | && (switches[switchnum].live_cond & SWITCH_IGNORE_PERMANENTLY) |
6563 | == 0); | |
2153915d | 6564 | |
6c396fb5 | 6565 | /* In the common case of {<at-most-one-letter>*}, a negating |
f5b0eb4e RK |
6566 | switch would always match, so ignore that case. We will just |
6567 | send the conflicting switches to the compiler phase. */ | |
6c396fb5 | 6568 | if (prefix_length >= 0 && prefix_length <= 1) |
f5b0eb4e RK |
6569 | return 1; |
6570 | ||
f5b0eb4e RK |
6571 | /* Now search for duplicate in a manner that depends on the name. */ |
6572 | switch (*name) | |
6573 | { | |
6574 | case 'O': | |
d25a45d4 KH |
6575 | for (i = switchnum + 1; i < n_switches; i++) |
6576 | if (switches[i].part1[0] == 'O') | |
6577 | { | |
d168aaee | 6578 | switches[switchnum].validated = true; |
d25a45d4 KH |
6579 | switches[switchnum].live_cond = SWITCH_FALSE; |
6580 | return 0; | |
6581 | } | |
f5b0eb4e | 6582 | break; |
ed1f651b | 6583 | |
99ea153e | 6584 | case 'W': case 'f': case 'm': case 'g': |
6c396fb5 | 6585 | if (! strncmp (name + 1, "no-", 3)) |
f5b0eb4e | 6586 | { |
0f41302f | 6587 | /* We have Xno-YYY, search for XYYY. */ |
f5b0eb4e RK |
6588 | for (i = switchnum + 1; i < n_switches; i++) |
6589 | if (switches[i].part1[0] == name[0] | |
6590 | && ! strcmp (&switches[i].part1[1], &name[4])) | |
d25a45d4 | 6591 | { |
d168aaee CB |
6592 | /* --specs are validated with the validate_switches mechanism. */ |
6593 | if (switches[switchnum].known) | |
6594 | switches[switchnum].validated = true; | |
d25a45d4 KH |
6595 | switches[switchnum].live_cond = SWITCH_FALSE; |
6596 | return 0; | |
6597 | } | |
f5b0eb4e RK |
6598 | } |
6599 | else | |
6600 | { | |
6601 | /* We have XYYY, search for Xno-YYY. */ | |
6602 | for (i = switchnum + 1; i < n_switches; i++) | |
6603 | if (switches[i].part1[0] == name[0] | |
6604 | && switches[i].part1[1] == 'n' | |
6605 | && switches[i].part1[2] == 'o' | |
6606 | && switches[i].part1[3] == '-' | |
6607 | && !strcmp (&switches[i].part1[4], &name[1])) | |
d25a45d4 | 6608 | { |
d168aaee CB |
6609 | /* --specs are validated with the validate_switches mechanism. */ |
6610 | if (switches[switchnum].known) | |
6611 | switches[switchnum].validated = true; | |
d25a45d4 KH |
6612 | switches[switchnum].live_cond = SWITCH_FALSE; |
6613 | return 0; | |
6614 | } | |
f5b0eb4e RK |
6615 | } |
6616 | break; | |
6617 | } | |
6618 | ||
6619 | /* Otherwise the switch is live. */ | |
3371362c | 6620 | switches[switchnum].live_cond |= SWITCH_LIVE; |
f5b0eb4e RK |
6621 | return 1; |
6622 | } | |
6623 | \f | |
ed1f651b RS |
6624 | /* Pass a switch to the current accumulating command |
6625 | in the same form that we received it. | |
6626 | SWITCHNUM identifies the switch; it is an index into | |
6627 | the vector of switches gcc received, which is `switches'. | |
6628 | This cannot fail since it never finishes a command line. | |
6629 | ||
4977bab6 | 6630 | If OMIT_FIRST_WORD is nonzero, then we omit .part1 of the argument. */ |
ed1f651b RS |
6631 | |
6632 | static void | |
1d088dee | 6633 | give_switch (int switchnum, int omit_first_word) |
ed1f651b | 6634 | { |
3371362c | 6635 | if ((switches[switchnum].live_cond & SWITCH_IGNORE) != 0) |
8097c429 TT |
6636 | return; |
6637 | ||
ed1f651b RS |
6638 | if (!omit_first_word) |
6639 | { | |
6496a589 KG |
6640 | do_spec_1 ("-", 0, NULL); |
6641 | do_spec_1 (switches[switchnum].part1, 1, NULL); | |
ed1f651b | 6642 | } |
1ba9a487 | 6643 | |
ed1f651b RS |
6644 | if (switches[switchnum].args != 0) |
6645 | { | |
fbd40359 | 6646 | const char **p; |
ed1f651b RS |
6647 | for (p = switches[switchnum].args; *p; p++) |
6648 | { | |
11972f66 NS |
6649 | const char *arg = *p; |
6650 | ||
4977bab6 | 6651 | do_spec_1 (" ", 0, NULL); |
11972f66 NS |
6652 | if (suffix_subst) |
6653 | { | |
6654 | unsigned length = strlen (arg); | |
e65677af | 6655 | int dot = 0; |
11972f66 NS |
6656 | |
6657 | while (length-- && !IS_DIR_SEPARATOR (arg[length])) | |
6658 | if (arg[length] == '.') | |
6659 | { | |
c3284718 | 6660 | (CONST_CAST (char *, arg))[length] = 0; |
e65677af | 6661 | dot = 1; |
11972f66 NS |
6662 | break; |
6663 | } | |
6496a589 | 6664 | do_spec_1 (arg, 1, NULL); |
e65677af | 6665 | if (dot) |
c3284718 | 6666 | (CONST_CAST (char *, arg))[length] = '.'; |
e65677af | 6667 | do_spec_1 (suffix_subst, 1, NULL); |
11972f66 NS |
6668 | } |
6669 | else | |
6496a589 | 6670 | do_spec_1 (arg, 1, NULL); |
ed1f651b RS |
6671 | } |
6672 | } | |
1ba9a487 | 6673 | |
6496a589 | 6674 | do_spec_1 (" ", 0, NULL); |
d168aaee | 6675 | switches[switchnum].validated = true; |
ed1f651b RS |
6676 | } |
6677 | \f | |
dc10fd96 JJ |
6678 | /* Print GCC configuration (e.g. version, thread model, target, |
6679 | configuration_arguments) to a given FILE. */ | |
6680 | ||
6681 | static void | |
6682 | print_configuration (FILE *file) | |
6683 | { | |
6684 | int n; | |
6685 | const char *thrmod; | |
6686 | ||
6687 | fnotice (file, "Target: %s\n", spec_machine); | |
6688 | fnotice (file, "Configured with: %s\n", configuration_arguments); | |
6689 | ||
6690 | #ifdef THREAD_MODEL_SPEC | |
6691 | /* We could have defined THREAD_MODEL_SPEC to "%*" by default, | |
6692 | but there's no point in doing all this processing just to get | |
6693 | thread_model back. */ | |
6694 | obstack_init (&obstack); | |
6695 | do_spec_1 (THREAD_MODEL_SPEC, 0, thread_model); | |
6696 | obstack_1grow (&obstack, '\0'); | |
6697 | thrmod = XOBFINISH (&obstack, const char *); | |
6698 | #else | |
6699 | thrmod = thread_model; | |
6700 | #endif | |
6701 | ||
6702 | fnotice (file, "Thread model: %s\n", thrmod); | |
6703 | ||
6704 | /* compiler_version is truncated at the first space when initialized | |
6705 | from version string, so truncate version_string at the first space | |
6706 | before comparing. */ | |
6707 | for (n = 0; version_string[n]; n++) | |
6708 | if (version_string[n] == ' ') | |
6709 | break; | |
6710 | ||
6711 | if (! strncmp (version_string, compiler_version, n) | |
6712 | && compiler_version[n] == 0) | |
29585247 | 6713 | fnotice (file, "gcc version %s %s\n", version_string, |
dc10fd96 JJ |
6714 | pkgversion_string); |
6715 | else | |
29585247 | 6716 | fnotice (file, "gcc driver version %s %sexecuting gcc version %s\n", |
dc10fd96 JJ |
6717 | version_string, pkgversion_string, compiler_version); |
6718 | ||
6719 | } | |
6720 | ||
6721 | #define RETRY_ICE_ATTEMPTS 3 | |
6722 | ||
6723 | /* Returns true if FILE1 and FILE2 contain equivalent data, 0 otherwise. */ | |
6724 | ||
6725 | static bool | |
6726 | files_equal_p (char *file1, char *file2) | |
6727 | { | |
6728 | struct stat st1, st2; | |
6729 | off_t n, len; | |
6730 | int fd1, fd2; | |
6731 | const int bufsize = 8192; | |
6732 | char *buf = XNEWVEC (char, bufsize); | |
6733 | ||
6734 | fd1 = open (file1, O_RDONLY); | |
6735 | fd2 = open (file2, O_RDONLY); | |
6736 | ||
6737 | if (fd1 < 0 || fd2 < 0) | |
6738 | goto error; | |
6739 | ||
6740 | if (fstat (fd1, &st1) < 0 || fstat (fd2, &st2) < 0) | |
6741 | goto error; | |
6742 | ||
6743 | if (st1.st_size != st2.st_size) | |
6744 | goto error; | |
6745 | ||
6746 | for (n = st1.st_size; n; n -= len) | |
6747 | { | |
6748 | len = n; | |
6749 | if ((int) len > bufsize / 2) | |
6750 | len = bufsize / 2; | |
6751 | ||
6752 | if (read (fd1, buf, len) != (int) len | |
6753 | || read (fd2, buf + bufsize / 2, len) != (int) len) | |
6754 | { | |
6755 | goto error; | |
6756 | } | |
6757 | ||
6758 | if (memcmp (buf, buf + bufsize / 2, len) != 0) | |
6759 | goto error; | |
6760 | } | |
6761 | ||
6762 | free (buf); | |
6763 | close (fd1); | |
6764 | close (fd2); | |
6765 | ||
6766 | return 1; | |
6767 | ||
6768 | error: | |
6769 | free (buf); | |
6770 | close (fd1); | |
6771 | close (fd2); | |
6772 | return 0; | |
6773 | } | |
6774 | ||
6775 | /* Check that compiler's output doesn't differ across runs. | |
6776 | TEMP_STDOUT_FILES and TEMP_STDERR_FILES are arrays of files, containing | |
6777 | stdout and stderr for each compiler run. Return true if all of | |
6778 | TEMP_STDOUT_FILES and TEMP_STDERR_FILES are equivalent. */ | |
6779 | ||
6780 | static bool | |
6781 | check_repro (char **temp_stdout_files, char **temp_stderr_files) | |
6782 | { | |
6783 | int i; | |
6784 | for (i = 0; i < RETRY_ICE_ATTEMPTS - 2; ++i) | |
6785 | { | |
6786 | if (!files_equal_p (temp_stdout_files[i], temp_stdout_files[i + 1]) | |
6787 | || !files_equal_p (temp_stderr_files[i], temp_stderr_files[i + 1])) | |
6788 | { | |
6789 | fnotice (stderr, "The bug is not reproducible, so it is" | |
6790 | " likely a hardware or OS problem.\n"); | |
6791 | break; | |
6792 | } | |
6793 | } | |
6794 | return i == RETRY_ICE_ATTEMPTS - 2; | |
6795 | } | |
6796 | ||
6797 | enum attempt_status { | |
6798 | ATTEMPT_STATUS_FAIL_TO_RUN, | |
6799 | ATTEMPT_STATUS_SUCCESS, | |
6800 | ATTEMPT_STATUS_ICE | |
6801 | }; | |
6802 | ||
6803 | ||
6804 | /* Run compiler with arguments NEW_ARGV to reproduce the ICE, storing stdout | |
6805 | to OUT_TEMP and stderr to ERR_TEMP. If APPEND is TRUE, append to OUT_TEMP | |
6806 | and ERR_TEMP instead of truncating. If EMIT_SYSTEM_INFO is TRUE, also write | |
6807 | GCC configuration into to ERR_TEMP. Return ATTEMPT_STATUS_FAIL_TO_RUN if | |
6808 | compiler failed to run, ATTEMPT_STATUS_ICE if compiled ICE-ed and | |
6809 | ATTEMPT_STATUS_SUCCESS otherwise. */ | |
6810 | ||
6811 | static enum attempt_status | |
6812 | run_attempt (const char **new_argv, const char *out_temp, | |
6813 | const char *err_temp, int emit_system_info, int append) | |
6814 | { | |
6815 | ||
6816 | if (emit_system_info) | |
6817 | { | |
6818 | FILE *file_out = fopen (err_temp, "a"); | |
6819 | print_configuration (file_out); | |
29585247 | 6820 | fputs ("\n", file_out); |
dc10fd96 JJ |
6821 | fclose (file_out); |
6822 | } | |
6823 | ||
6824 | int exit_status; | |
6825 | const char *errmsg; | |
6826 | struct pex_obj *pex; | |
6827 | int err; | |
6828 | int pex_flags = PEX_USE_PIPES | PEX_LAST; | |
6829 | enum attempt_status status = ATTEMPT_STATUS_FAIL_TO_RUN; | |
6830 | ||
6831 | if (append) | |
6832 | pex_flags |= PEX_STDOUT_APPEND | PEX_STDERR_APPEND; | |
6833 | ||
6834 | pex = pex_init (PEX_USE_PIPES, new_argv[0], NULL); | |
6835 | if (!pex) | |
40fecdd6 | 6836 | fatal_error (input_location, "pex_init failed: %m"); |
dc10fd96 JJ |
6837 | |
6838 | errmsg = pex_run (pex, pex_flags, new_argv[0], | |
6839 | CONST_CAST2 (char *const *, const char **, &new_argv[1]), out_temp, | |
6840 | err_temp, &err); | |
1120a850 TS |
6841 | if (errmsg != NULL) |
6842 | { | |
6843 | if (err == 0) | |
40fecdd6 | 6844 | fatal_error (input_location, errmsg); |
1120a850 TS |
6845 | else |
6846 | { | |
6847 | errno = err; | |
6848 | pfatal_with_name (errmsg); | |
6849 | } | |
6850 | } | |
dc10fd96 JJ |
6851 | |
6852 | if (!pex_get_status (pex, 1, &exit_status)) | |
6853 | goto out; | |
6854 | ||
6855 | switch (WEXITSTATUS (exit_status)) | |
6856 | { | |
6857 | case ICE_EXIT_CODE: | |
6858 | status = ATTEMPT_STATUS_ICE; | |
6859 | break; | |
6860 | ||
6861 | case SUCCESS_EXIT_CODE: | |
6862 | status = ATTEMPT_STATUS_SUCCESS; | |
6863 | break; | |
6864 | ||
6865 | default: | |
6866 | ; | |
6867 | } | |
6868 | ||
6869 | out: | |
6870 | pex_free (pex); | |
6871 | return status; | |
6872 | } | |
6873 | ||
f78a6ae4 MO |
6874 | /* This routine reads lines from IN file, adds C++ style comments |
6875 | at the begining of each line and writes result into OUT. */ | |
6876 | ||
6877 | static void | |
6878 | insert_comments (const char *file_in, const char *file_out) | |
6879 | { | |
6880 | FILE *in = fopen (file_in, "rb"); | |
6881 | FILE *out = fopen (file_out, "wb"); | |
6882 | char line[256]; | |
6883 | ||
6884 | bool add_comment = true; | |
6885 | while (fgets (line, sizeof (line), in)) | |
6886 | { | |
6887 | if (add_comment) | |
6888 | fputs ("// ", out); | |
6889 | fputs (line, out); | |
6890 | add_comment = strchr (line, '\n') != NULL; | |
6891 | } | |
6892 | ||
6893 | fclose (in); | |
6894 | fclose (out); | |
6895 | } | |
6896 | ||
dc10fd96 JJ |
6897 | /* This routine adds preprocessed source code into the given ERR_FILE. |
6898 | To do this, it adds "-E" to NEW_ARGV and execute RUN_ATTEMPT routine to | |
6899 | add information in report file. RUN_ATTEMPT should return | |
6900 | ATTEMPT_STATUS_SUCCESS, in other case we cannot generate the report. */ | |
6901 | ||
6902 | static void | |
6903 | do_report_bug (const char **new_argv, const int nargs, | |
6904 | char **out_file, char **err_file) | |
6905 | { | |
6906 | int i, status; | |
6907 | int fd = open (*out_file, O_RDWR | O_APPEND); | |
6908 | if (fd < 0) | |
6909 | return; | |
6910 | write (fd, "\n//", 3); | |
6911 | for (i = 0; i < nargs; i++) | |
6912 | { | |
6913 | write (fd, " ", 1); | |
6914 | write (fd, new_argv[i], strlen (new_argv[i])); | |
6915 | } | |
6916 | write (fd, "\n\n", 2); | |
6917 | close (fd); | |
6918 | new_argv[nargs] = "-E"; | |
6919 | new_argv[nargs + 1] = NULL; | |
6920 | ||
6921 | status = run_attempt (new_argv, *out_file, *err_file, 0, 1); | |
6922 | ||
6923 | if (status == ATTEMPT_STATUS_SUCCESS) | |
6924 | { | |
6925 | fnotice (stderr, "Preprocessed source stored into %s file," | |
6926 | " please attach this to your bugreport.\n", *out_file); | |
6927 | /* Make sure it is not deleted. */ | |
6928 | free (*out_file); | |
6929 | *out_file = NULL; | |
6930 | } | |
6931 | } | |
6932 | ||
dc10fd96 JJ |
6933 | /* Try to reproduce ICE. If bug is reproducible, generate report .err file |
6934 | containing GCC configuration, backtrace, compiler's command line options | |
6935 | and preprocessed source code. */ | |
6936 | ||
6937 | static void | |
1120a850 | 6938 | try_generate_repro (const char **argv) |
dc10fd96 JJ |
6939 | { |
6940 | int i, nargs, out_arg = -1, quiet = 0, attempt; | |
6941 | const char **new_argv; | |
6942 | char *temp_files[RETRY_ICE_ATTEMPTS * 2]; | |
6943 | char **temp_stdout_files = &temp_files[0]; | |
6944 | char **temp_stderr_files = &temp_files[RETRY_ICE_ATTEMPTS]; | |
6945 | ||
6946 | if (gcc_input_filename == NULL || ! strcmp (gcc_input_filename, "-")) | |
6947 | return; | |
6948 | ||
6949 | for (nargs = 0; argv[nargs] != NULL; ++nargs) | |
6950 | /* Only retry compiler ICEs, not preprocessor ones. */ | |
6951 | if (! strcmp (argv[nargs], "-E")) | |
6952 | return; | |
6953 | else if (argv[nargs][0] == '-' && argv[nargs][1] == 'o') | |
6954 | { | |
6955 | if (out_arg == -1) | |
6956 | out_arg = nargs; | |
6957 | else | |
6958 | return; | |
6959 | } | |
6960 | /* If the compiler is going to output any time information, | |
6961 | it might varry between invocations. */ | |
6962 | else if (! strcmp (argv[nargs], "-quiet")) | |
6963 | quiet = 1; | |
6964 | else if (! strcmp (argv[nargs], "-ftime-report")) | |
6965 | return; | |
6966 | ||
6967 | if (out_arg == -1 || !quiet) | |
6968 | return; | |
6969 | ||
6970 | memset (temp_files, '\0', sizeof (temp_files)); | |
6971 | new_argv = XALLOCAVEC (const char *, nargs + 4); | |
6972 | memcpy (new_argv, argv, (nargs + 1) * sizeof (const char *)); | |
6973 | new_argv[nargs++] = "-frandom-seed=0"; | |
6974 | new_argv[nargs++] = "-fdump-noaddr"; | |
6975 | new_argv[nargs] = NULL; | |
6976 | if (new_argv[out_arg][2] == '\0') | |
6977 | new_argv[out_arg + 1] = "-"; | |
6978 | else | |
6979 | new_argv[out_arg] = "-o-"; | |
6980 | ||
6981 | int status; | |
6982 | for (attempt = 0; attempt < RETRY_ICE_ATTEMPTS; ++attempt) | |
6983 | { | |
6984 | int emit_system_info = 0; | |
6985 | int append = 0; | |
6986 | temp_stdout_files[attempt] = make_temp_file (".out"); | |
6987 | temp_stderr_files[attempt] = make_temp_file (".err"); | |
6988 | ||
6989 | if (attempt == RETRY_ICE_ATTEMPTS - 1) | |
6990 | { | |
6991 | append = 1; | |
6992 | emit_system_info = 1; | |
6993 | } | |
6994 | ||
dc10fd96 JJ |
6995 | status = run_attempt (new_argv, temp_stdout_files[attempt], |
6996 | temp_stderr_files[attempt], emit_system_info, | |
6997 | append); | |
6998 | ||
dc10fd96 JJ |
6999 | if (status != ATTEMPT_STATUS_ICE) |
7000 | { | |
7001 | fnotice (stderr, "The bug is not reproducible, so it is" | |
7002 | " likely a hardware or OS problem.\n"); | |
7003 | goto out; | |
7004 | } | |
7005 | } | |
7006 | ||
7007 | if (!check_repro (temp_stdout_files, temp_stderr_files)) | |
7008 | goto out; | |
7009 | ||
f78a6ae4 MO |
7010 | { |
7011 | /* Insert commented out backtrace into report file. */ | |
7012 | char **stderr_commented = &temp_stdout_files[RETRY_ICE_ATTEMPTS - 1]; | |
7013 | insert_comments (temp_stderr_files[RETRY_ICE_ATTEMPTS - 1], | |
7014 | *stderr_commented); | |
7015 | ||
7016 | /* In final attempt we append compiler options and preprocesssed code to last | |
7017 | generated .out file with configuration and backtrace. */ | |
7018 | char **output = &temp_stdout_files[RETRY_ICE_ATTEMPTS - 1]; | |
7019 | do_report_bug (new_argv, nargs, stderr_commented, output); | |
7020 | } | |
dc10fd96 JJ |
7021 | |
7022 | out: | |
7023 | for (i = 0; i < RETRY_ICE_ATTEMPTS * 2; i++) | |
7024 | if (temp_files[i]) | |
7025 | { | |
7026 | unlink (temp_stdout_files[i]); | |
7027 | free (temp_stdout_files[i]); | |
7028 | } | |
7029 | } | |
7030 | ||
ed1f651b RS |
7031 | /* Search for a file named NAME trying various prefixes including the |
7032 | user's -B prefix and some standard ones. | |
7033 | Return the absolute file name found. If nothing is found, return NAME. */ | |
7034 | ||
878f32c3 | 7035 | static const char * |
1d088dee | 7036 | find_file (const char *name) |
ed1f651b | 7037 | { |
00dcee0c | 7038 | char *newname = find_a_file (&startfile_prefixes, name, R_OK, true); |
ed1f651b RS |
7039 | return newname ? newname : name; |
7040 | } | |
7041 | ||
0ad5835e | 7042 | /* Determine whether a directory exists. If LINKER, return 0 for |
00dcee0c | 7043 | certain fixed names not needed by the linker. */ |
ed1f651b RS |
7044 | |
7045 | static int | |
00dcee0c | 7046 | is_directory (const char *path1, bool linker) |
ed1f651b | 7047 | { |
00dcee0c AM |
7048 | int len1; |
7049 | char *path; | |
ed1f651b RS |
7050 | char *cp; |
7051 | struct stat st; | |
7052 | ||
00dcee0c AM |
7053 | /* Ensure the string ends with "/.". The resulting path will be a |
7054 | directory even if the given path is a symbolic link. */ | |
7055 | len1 = strlen (path1); | |
e1e4cdc4 | 7056 | path = (char *) alloca (3 + len1); |
7e2231e7 | 7057 | memcpy (path, path1, len1); |
00dcee0c | 7058 | cp = path + len1; |
509781a4 | 7059 | if (!IS_DIR_SEPARATOR (cp[-1])) |
48ff801b | 7060 | *cp++ = DIR_SEPARATOR; |
ed1f651b RS |
7061 | *cp++ = '.'; |
7062 | *cp = '\0'; | |
7063 | ||
7064 | /* Exclude directories that the linker is known to search. */ | |
0ad5835e | 7065 | if (linker |
00dcee0c | 7066 | && IS_DIR_SEPARATOR (path[0]) |
48ff801b | 7067 | && ((cp - path == 6 |
ba78087b | 7068 | && filename_ncmp (path + 1, "lib", 3) == 0) |
48ff801b | 7069 | || (cp - path == 10 |
ba78087b | 7070 | && filename_ncmp (path + 1, "usr", 3) == 0 |
00dcee0c | 7071 | && IS_DIR_SEPARATOR (path[4]) |
ba78087b | 7072 | && filename_ncmp (path + 5, "lib", 3) == 0))) |
ed1f651b RS |
7073 | return 0; |
7074 | ||
7075 | return (stat (path, &st) >= 0 && S_ISDIR (st.st_mode)); | |
7076 | } | |
512b62fb JM |
7077 | |
7078 | /* Set up the various global variables to indicate that we're processing | |
7079 | the input file named FILENAME. */ | |
7080 | ||
b856c15d | 7081 | void |
1d088dee | 7082 | set_input (const char *filename) |
512b62fb | 7083 | { |
b3694847 | 7084 | const char *p; |
512b62fb | 7085 | |
6afbc885 JM |
7086 | gcc_input_filename = filename; |
7087 | input_filename_length = strlen (gcc_input_filename); | |
7088 | input_basename = lbasename (gcc_input_filename); | |
512b62fb JM |
7089 | |
7090 | /* Find a suffix starting with the last period, | |
7091 | and set basename_length to exclude that suffix. */ | |
7092 | basename_length = strlen (input_basename); | |
ea414c97 | 7093 | suffixed_basename_length = basename_length; |
512b62fb | 7094 | p = input_basename + basename_length; |
d25a45d4 KH |
7095 | while (p != input_basename && *p != '.') |
7096 | --p; | |
512b62fb JM |
7097 | if (*p == '.' && p != input_basename) |
7098 | { | |
7099 | basename_length = p - input_basename; | |
7100 | input_suffix = p + 1; | |
7101 | } | |
7102 | else | |
7103 | input_suffix = ""; | |
589005ff | 7104 | |
99f78cdd | 7105 | /* If a spec for 'g', 'u', or 'U' is seen with -save-temps then |
6afbc885 | 7106 | we will need to do a stat on the gcc_input_filename. The |
99f78cdd IR |
7107 | INPUT_STAT_SET signals that the stat is needed. */ |
7108 | input_stat_set = 0; | |
512b62fb | 7109 | } |
ed1f651b RS |
7110 | \f |
7111 | /* On fatal signals, delete all the temporary files. */ | |
7112 | ||
7113 | static void | |
2dec80c7 | 7114 | fatal_signal (int signum) |
ed1f651b RS |
7115 | { |
7116 | signal (signum, SIG_DFL); | |
7117 | delete_failure_queue (); | |
7118 | delete_temp_files (); | |
7119 | /* Get the same signal again, this time not handled, | |
7120 | so its normal effect occurs. */ | |
7121 | kill (getpid (), signum); | |
7122 | } | |
7123 | ||
2153915d AO |
7124 | /* Compare the contents of the two files named CMPFILE[0] and |
7125 | CMPFILE[1]. Return zero if they're identical, nonzero | |
7126 | otherwise. */ | |
7127 | ||
7128 | static int | |
7129 | compare_files (char *cmpfile[]) | |
7130 | { | |
7131 | int ret = 0; | |
7132 | FILE *temp[2] = { NULL, NULL }; | |
7133 | int i; | |
7134 | ||
7135 | #if HAVE_MMAP_FILE | |
7136 | { | |
7137 | size_t length[2]; | |
7138 | void *map[2] = { NULL, NULL }; | |
7139 | ||
7140 | for (i = 0; i < 2; i++) | |
7141 | { | |
7142 | struct stat st; | |
7143 | ||
7144 | if (stat (cmpfile[i], &st) < 0 || !S_ISREG (st.st_mode)) | |
7145 | { | |
7146 | error ("%s: could not determine length of compare-debug file %s", | |
6afbc885 | 7147 | gcc_input_filename, cmpfile[i]); |
2153915d AO |
7148 | ret = 1; |
7149 | break; | |
7150 | } | |
7151 | ||
7152 | length[i] = st.st_size; | |
7153 | } | |
7154 | ||
7155 | if (!ret && length[0] != length[1]) | |
7156 | { | |
6afbc885 | 7157 | error ("%s: -fcompare-debug failure (length)", gcc_input_filename); |
2153915d AO |
7158 | ret = 1; |
7159 | } | |
7160 | ||
7161 | if (!ret) | |
7162 | for (i = 0; i < 2; i++) | |
7163 | { | |
7164 | int fd = open (cmpfile[i], O_RDONLY); | |
7165 | if (fd < 0) | |
7166 | { | |
7167 | error ("%s: could not open compare-debug file %s", | |
6afbc885 | 7168 | gcc_input_filename, cmpfile[i]); |
2153915d AO |
7169 | ret = 1; |
7170 | break; | |
7171 | } | |
7172 | ||
7173 | map[i] = mmap (NULL, length[i], PROT_READ, MAP_PRIVATE, fd, 0); | |
7174 | close (fd); | |
7175 | ||
7176 | if (map[i] == (void *) MAP_FAILED) | |
7177 | { | |
7178 | ret = -1; | |
7179 | break; | |
7180 | } | |
7181 | } | |
7182 | ||
7183 | if (!ret) | |
7184 | { | |
7185 | if (memcmp (map[0], map[1], length[0]) != 0) | |
7186 | { | |
6afbc885 | 7187 | error ("%s: -fcompare-debug failure", gcc_input_filename); |
2153915d AO |
7188 | ret = 1; |
7189 | } | |
7190 | } | |
7191 | ||
7192 | for (i = 0; i < 2; i++) | |
7193 | if (map[i]) | |
e7aae3e8 | 7194 | munmap ((caddr_t) map[i], length[i]); |
2153915d AO |
7195 | |
7196 | if (ret >= 0) | |
7197 | return ret; | |
7198 | ||
7199 | ret = 0; | |
7200 | } | |
7201 | #endif | |
7202 | ||
7203 | for (i = 0; i < 2; i++) | |
7204 | { | |
7205 | temp[i] = fopen (cmpfile[i], "r"); | |
7206 | if (!temp[i]) | |
7207 | { | |
7208 | error ("%s: could not open compare-debug file %s", | |
6afbc885 | 7209 | gcc_input_filename, cmpfile[i]); |
2153915d AO |
7210 | ret = 1; |
7211 | break; | |
7212 | } | |
7213 | } | |
7214 | ||
7215 | if (!ret && temp[0] && temp[1]) | |
7216 | for (;;) | |
7217 | { | |
7218 | int c0, c1; | |
7219 | c0 = fgetc (temp[0]); | |
7220 | c1 = fgetc (temp[1]); | |
7221 | ||
7222 | if (c0 != c1) | |
7223 | { | |
7224 | error ("%s: -fcompare-debug failure", | |
6afbc885 | 7225 | gcc_input_filename); |
2153915d AO |
7226 | ret = 1; |
7227 | break; | |
7228 | } | |
7229 | ||
7230 | if (c0 == EOF) | |
7231 | break; | |
7232 | } | |
7233 | ||
7234 | for (i = 1; i >= 0; i--) | |
7235 | { | |
7236 | if (temp[i]) | |
7237 | fclose (temp[i]); | |
7238 | } | |
7239 | ||
7240 | return ret; | |
7241 | } | |
7242 | ||
9376dd63 DM |
7243 | driver::driver (bool can_finalize, bool debug) : |
7244 | explicit_link_files (NULL), | |
61789eed DM |
7245 | decoded_options (NULL), |
7246 | m_option_suggestions (NULL) | |
9376dd63 DM |
7247 | { |
7248 | env.init (can_finalize, debug); | |
7249 | } | |
7250 | ||
7251 | driver::~driver () | |
7252 | { | |
7253 | XDELETEVEC (explicit_link_files); | |
7254 | XDELETEVEC (decoded_options); | |
61789eed DM |
7255 | if (m_option_suggestions) |
7256 | { | |
7257 | int i; | |
7258 | char *str; | |
7259 | FOR_EACH_VEC_ELT (*m_option_suggestions, i, str) | |
7260 | free (str); | |
7261 | delete m_option_suggestions; | |
7262 | } | |
9376dd63 DM |
7263 | } |
7264 | ||
742a072a DM |
7265 | /* driver::main is implemented as a series of driver:: method calls. */ |
7266 | ||
7267 | int | |
7268 | driver::main (int argc, char **argv) | |
7269 | { | |
7270 | bool early_exit; | |
7271 | ||
7272 | set_progname (argv[0]); | |
7273 | expand_at_files (&argc, &argv); | |
7274 | decode_argv (argc, const_cast <const char **> (argv)); | |
7275 | global_initializations (); | |
7276 | build_multilib_strings (); | |
7277 | set_up_specs (); | |
7278 | putenv_COLLECT_GCC (argv[0]); | |
7279 | maybe_putenv_COLLECT_LTO_WRAPPER (); | |
fc8b3540 | 7280 | maybe_putenv_OFFLOAD_TARGETS (); |
742a072a DM |
7281 | handle_unrecognized_options (); |
7282 | ||
7283 | if (!maybe_print_and_exit ()) | |
7284 | return 0; | |
7285 | ||
7286 | early_exit = prepare_infiles (); | |
7287 | if (early_exit) | |
7288 | return get_exit_code (); | |
7289 | ||
7290 | do_spec_on_infiles (); | |
7291 | maybe_run_linker (argv[0]); | |
7292 | final_actions (); | |
7293 | return get_exit_code (); | |
7294 | } | |
7295 | ||
7296 | /* Locate the final component of argv[0] after any leading path, and set | |
7297 | the program name accordingly. */ | |
7298 | ||
7299 | void | |
7300 | driver::set_progname (const char *argv0) const | |
7301 | { | |
7302 | const char *p = argv0 + strlen (argv0); | |
7303 | while (p != argv0 && !IS_DIR_SEPARATOR (p[-1])) | |
509781a4 | 7304 | --p; |
6afbc885 | 7305 | progname = p; |
ed1f651b | 7306 | |
6afbc885 | 7307 | xmalloc_set_program_name (progname); |
742a072a | 7308 | } |
e1a132c6 | 7309 | |
742a072a DM |
7310 | /* Expand any @ files within the command-line args, |
7311 | setting at_file_supplied if any were expanded. */ | |
7312 | ||
7313 | void | |
7314 | driver::expand_at_files (int *argc, char ***argv) const | |
7315 | { | |
7316 | char **old_argv = *argv; | |
7317 | ||
7318 | expandargv (argc, argv); | |
9d530538 | 7319 | |
2091ff66 | 7320 | /* Determine if any expansions were made. */ |
742a072a | 7321 | if (*argv != old_argv) |
2091ff66 | 7322 | at_file_supplied = true; |
742a072a | 7323 | } |
2091ff66 | 7324 | |
742a072a DM |
7325 | /* Decode the command-line arguments from argc/argv into the |
7326 | decoded_options array. */ | |
7327 | ||
7328 | void | |
7329 | driver::decode_argv (int argc, const char **argv) | |
7330 | { | |
a7d0d30f JM |
7331 | /* Register the language-independent parameters. */ |
7332 | global_init_params (); | |
7333 | finish_params (); | |
7334 | ||
d6874f56 | 7335 | init_opts_obstack (); |
a7d0d30f | 7336 | init_options_struct (&global_options, &global_options_set); |
a75bfaa6 | 7337 | |
742a072a | 7338 | decode_cmdline_options_to_array (argc, argv, |
60cf253a JM |
7339 | CL_DRIVER, |
7340 | &decoded_options, &decoded_options_count); | |
742a072a DM |
7341 | } |
7342 | ||
7343 | /* Perform various initializations and setup. */ | |
14c7833c | 7344 | |
742a072a | 7345 | void |
acbb0489 | 7346 | driver::global_initializations () |
742a072a | 7347 | { |
98a3dad4 | 7348 | /* Unlock the stdio streams. */ |
2653bb0c | 7349 | unlock_std_streams (); |
98a3dad4 | 7350 | |
191bf464 | 7351 | gcc_init_libintl (); |
ab87f8c8 | 7352 | |
6afbc885 | 7353 | diagnostic_initialize (global_dc, 0); |
97aa8bb6 | 7354 | diagnostic_color_init (global_dc); |
ccbc132f RM |
7355 | |
7356 | #ifdef GCC_DRIVER_HOST_INITIALIZATION | |
7357 | /* Perform host dependent initialization when needed. */ | |
7358 | GCC_DRIVER_HOST_INITIALIZATION; | |
7359 | #endif | |
7360 | ||
6afbc885 | 7361 | if (atexit (delete_temp_files) != 0) |
40fecdd6 | 7362 | fatal_error (input_location, "atexit failed"); |
6afbc885 | 7363 | |
ed1f651b | 7364 | if (signal (SIGINT, SIG_IGN) != SIG_IGN) |
2dec80c7 | 7365 | signal (SIGINT, fatal_signal); |
2a353d3a | 7366 | #ifdef SIGHUP |
ed1f651b | 7367 | if (signal (SIGHUP, SIG_IGN) != SIG_IGN) |
2dec80c7 | 7368 | signal (SIGHUP, fatal_signal); |
2a353d3a | 7369 | #endif |
ed1f651b | 7370 | if (signal (SIGTERM, SIG_IGN) != SIG_IGN) |
2dec80c7 | 7371 | signal (SIGTERM, fatal_signal); |
ed1f651b RS |
7372 | #ifdef SIGPIPE |
7373 | if (signal (SIGPIPE, SIG_IGN) != SIG_IGN) | |
2dec80c7 | 7374 | signal (SIGPIPE, fatal_signal); |
ed1f651b | 7375 | #endif |
798bdf70 | 7376 | #ifdef SIGCHLD |
0bf679a3 BK |
7377 | /* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will |
7378 | receive the signal. A different setting is inheritable */ | |
7379 | signal (SIGCHLD, SIG_DFL); | |
798bdf70 | 7380 | #endif |
ed1f651b | 7381 | |
d423df48 JJ |
7382 | /* Parsing and gimplification sometimes need quite large stack. |
7383 | Increase stack size limits if possible. */ | |
7384 | stack_limit_increase (64 * 1024 * 1024); | |
7385 | ||
f3226a90 JT |
7386 | /* Allocate the argument vector. */ |
7387 | alloc_args (); | |
ed1f651b RS |
7388 | |
7389 | obstack_init (&obstack); | |
742a072a DM |
7390 | } |
7391 | ||
7392 | /* Build multilib_select, et. al from the separate lines that make up each | |
7393 | multilib selection. */ | |
ed1f651b | 7394 | |
742a072a DM |
7395 | void |
7396 | driver::build_multilib_strings () const | |
7397 | { | |
ffd86336 | 7398 | { |
742a072a | 7399 | const char *p; |
3b304f5b | 7400 | const char *const *q = multilib_raw; |
961b7009 | 7401 | int need_space; |
ffd86336 JW |
7402 | |
7403 | obstack_init (&multilib_obstack); | |
0f41302f | 7404 | while ((p = *q++) != (char *) 0) |
ffd86336 JW |
7405 | obstack_grow (&multilib_obstack, p, strlen (p)); |
7406 | ||
7407 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 7408 | multilib_select = XOBFINISH (&multilib_obstack, const char *); |
961b7009 MM |
7409 | |
7410 | q = multilib_matches_raw; | |
7411 | while ((p = *q++) != (char *) 0) | |
7412 | obstack_grow (&multilib_obstack, p, strlen (p)); | |
7413 | ||
7414 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 7415 | multilib_matches = XOBFINISH (&multilib_obstack, const char *); |
961b7009 | 7416 | |
0a8d6618 BC |
7417 | q = multilib_exclusions_raw; |
7418 | while ((p = *q++) != (char *) 0) | |
d25a45d4 | 7419 | obstack_grow (&multilib_obstack, p, strlen (p)); |
0a8d6618 BC |
7420 | |
7421 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 7422 | multilib_exclusions = XOBFINISH (&multilib_obstack, const char *); |
9218435e | 7423 | |
e7f49d92 TG |
7424 | q = multilib_reuse_raw; |
7425 | while ((p = *q++) != (char *) 0) | |
7426 | obstack_grow (&multilib_obstack, p, strlen (p)); | |
7427 | ||
7428 | obstack_1grow (&multilib_obstack, 0); | |
7429 | multilib_reuse = XOBFINISH (&multilib_obstack, const char *); | |
7430 | ||
961b7009 | 7431 | need_space = FALSE; |
742a072a | 7432 | for (size_t i = 0; i < ARRAY_SIZE (multilib_defaults_raw); i++) |
961b7009 MM |
7433 | { |
7434 | if (need_space) | |
7435 | obstack_1grow (&multilib_obstack, ' '); | |
7436 | obstack_grow (&multilib_obstack, | |
7437 | multilib_defaults_raw[i], | |
7438 | strlen (multilib_defaults_raw[i])); | |
7439 | need_space = TRUE; | |
7440 | } | |
7441 | ||
7442 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 7443 | multilib_defaults = XOBFINISH (&multilib_obstack, const char *); |
ffd86336 | 7444 | } |
742a072a DM |
7445 | } |
7446 | ||
7447 | /* Set up the spec-handling machinery. */ | |
7448 | ||
7449 | void | |
7450 | driver::set_up_specs () const | |
7451 | { | |
fc8b3540 | 7452 | const char *spec_machine_suffix; |
742a072a DM |
7453 | char *specs_file; |
7454 | size_t i; | |
ffd86336 | 7455 | |
8faf4a68 JW |
7456 | #ifdef INIT_ENVIRONMENT |
7457 | /* Set up any other necessary machine specific environment variables. */ | |
47d33318 | 7458 | xputenv (INIT_ENVIRONMENT); |
8faf4a68 JW |
7459 | #endif |
7460 | ||
ed1f651b RS |
7461 | /* Make a table of what switches there are (switches, n_switches). |
7462 | Make a table of specified input files (infiles, n_infiles). | |
7463 | Decode switches that are handled locally. */ | |
7464 | ||
60cf253a | 7465 | process_command (decoded_options_count, decoded_options); |
ed1f651b RS |
7466 | |
7467 | /* Initialize the vector of specs to just the default. | |
7468 | This means one element containing 0s, as a terminator. */ | |
7469 | ||
e1e4cdc4 | 7470 | compilers = XNEWVAR (struct compiler, sizeof default_compilers); |
703ad42b | 7471 | memcpy (compilers, default_compilers, sizeof default_compilers); |
ed1f651b RS |
7472 | n_compilers = n_default_compilers; |
7473 | ||
7474 | /* Read specs from a file if there is one. */ | |
7475 | ||
fc8b3540 IV |
7476 | machine_suffix = concat (spec_host_machine, dir_separator_str, spec_version, |
7477 | accel_dir_suffix, dir_separator_str, NULL); | |
d4f2852f | 7478 | just_machine_suffix = concat (spec_machine, dir_separator_str, NULL); |
ed1f651b | 7479 | |
00dcee0c | 7480 | specs_file = find_a_file (&startfile_prefixes, "specs", R_OK, true); |
ed1f651b RS |
7481 | /* Read the specs file unless it is a default one. */ |
7482 | if (specs_file != 0 && strcmp (specs_file, "specs")) | |
d168aaee | 7483 | read_specs (specs_file, true, false); |
20df0482 MM |
7484 | else |
7485 | init_spec (); | |
841faeed | 7486 | |
fc8b3540 IV |
7487 | #ifdef ACCEL_COMPILER |
7488 | spec_machine_suffix = machine_suffix; | |
7489 | #else | |
7490 | spec_machine_suffix = just_machine_suffix; | |
7491 | #endif | |
7492 | ||
7493 | /* We need to check standard_exec_prefix/spec_machine_suffix/specs | |
3ac63d94 | 7494 | for any override of as, ld and libraries. */ |
e1e4cdc4 | 7495 | specs_file = (char *) alloca (strlen (standard_exec_prefix) |
fc8b3540 | 7496 | + strlen (spec_machine_suffix) + sizeof ("specs")); |
5bb67e36 | 7497 | strcpy (specs_file, standard_exec_prefix); |
fc8b3540 | 7498 | strcat (specs_file, spec_machine_suffix); |
5bb67e36 RK |
7499 | strcat (specs_file, "specs"); |
7500 | if (access (specs_file, R_OK) == 0) | |
d168aaee | 7501 | read_specs (specs_file, true, false); |
9218435e | 7502 | |
7816bea0 DJ |
7503 | /* Process any configure-time defaults specified for the command line |
7504 | options, via OPTION_DEFAULT_SPECS. */ | |
7505 | for (i = 0; i < ARRAY_SIZE (option_default_specs); i++) | |
7506 | do_option_spec (option_default_specs[i].name, | |
7507 | option_default_specs[i].spec); | |
7508 | ||
3bd6d4c4 AO |
7509 | /* Process DRIVER_SELF_SPECS, adding any new options to the end |
7510 | of the command line. */ | |
7511 | ||
7512 | for (i = 0; i < ARRAY_SIZE (driver_self_specs); i++) | |
7513 | do_self_spec (driver_self_specs[i]); | |
7514 | ||
4977bab6 ZW |
7515 | /* If not cross-compiling, look for executables in the standard |
7516 | places. */ | |
7517 | if (*cross_compile == '0') | |
004fd4d5 | 7518 | { |
2296d164 RK |
7519 | if (*md_exec_prefix) |
7520 | { | |
7521 | add_prefix (&exec_prefixes, md_exec_prefix, "GCC", | |
1a5d37a1 | 7522 | PREFIX_PRIORITY_LAST, 0, 0); |
2296d164 | 7523 | } |
4977bab6 ZW |
7524 | } |
7525 | ||
71c0e7fc | 7526 | /* Process sysroot_suffix_spec. */ |
e7f13528 | 7527 | if (*sysroot_suffix_spec != 0 |
28b4fc51 | 7528 | && !no_sysroot_suffix |
e7f13528 GP |
7529 | && do_spec_2 (sysroot_suffix_spec) == 0) |
7530 | { | |
9771b263 | 7531 | if (argbuf.length () > 1) |
ab532386 | 7532 | error ("spec failure: more than one arg to SYSROOT_SUFFIX_SPEC"); |
9771b263 DN |
7533 | else if (argbuf.length () == 1) |
7534 | target_sysroot_suffix = xstrdup (argbuf.last ()); | |
e7f13528 GP |
7535 | } |
7536 | ||
380e5ca4 MM |
7537 | #ifdef HAVE_LD_SYSROOT |
7538 | /* Pass the --sysroot option to the linker, if it supports that. If | |
7539 | there is a sysroot_suffix_spec, it has already been processed by | |
7540 | this point, so target_system_root really is the system root we | |
7541 | should be using. */ | |
7542 | if (target_system_root) | |
7543 | { | |
7544 | obstack_grow (&obstack, "%(sysroot_spec) ", strlen ("%(sysroot_spec) ")); | |
7545 | obstack_grow0 (&obstack, link_spec, strlen (link_spec)); | |
d168aaee | 7546 | set_spec ("link", XOBFINISH (&obstack, const char *), false); |
380e5ca4 MM |
7547 | } |
7548 | #endif | |
7549 | ||
71c0e7fc | 7550 | /* Process sysroot_hdrs_suffix_spec. */ |
e7f13528 | 7551 | if (*sysroot_hdrs_suffix_spec != 0 |
28b4fc51 | 7552 | && !no_sysroot_suffix |
e7f13528 GP |
7553 | && do_spec_2 (sysroot_hdrs_suffix_spec) == 0) |
7554 | { | |
9771b263 | 7555 | if (argbuf.length () > 1) |
ab532386 | 7556 | error ("spec failure: more than one arg to SYSROOT_HEADERS_SUFFIX_SPEC"); |
9771b263 DN |
7557 | else if (argbuf.length () == 1) |
7558 | target_sysroot_hdrs_suffix = xstrdup (argbuf.last ()); | |
e7f13528 GP |
7559 | } |
7560 | ||
4977bab6 ZW |
7561 | /* Look for startfiles in the standard places. */ |
7562 | if (*startfile_prefix_spec != 0 | |
7563 | && do_spec_2 (startfile_prefix_spec) == 0 | |
7564 | && do_spec_1 (" ", 0, NULL) == 0) | |
7565 | { | |
5b634ee0 | 7566 | const char *arg; |
4977bab6 | 7567 | int ndx; |
9771b263 | 7568 | FOR_EACH_VEC_ELT (argbuf, ndx, arg) |
5b634ee0 | 7569 | add_sysrooted_prefix (&startfile_prefixes, arg, "BINUTILS", |
1a5d37a1 | 7570 | PREFIX_PRIORITY_LAST, 0, 1); |
4977bab6 ZW |
7571 | } |
7572 | /* We should eventually get rid of all these and stick to | |
7573 | startfile_prefix_spec exclusively. */ | |
7574 | else if (*cross_compile == '0' || target_system_root) | |
7575 | { | |
2296d164 | 7576 | if (*md_startfile_prefix) |
4977bab6 | 7577 | add_sysrooted_prefix (&startfile_prefixes, md_startfile_prefix, |
1a5d37a1 | 7578 | "GCC", PREFIX_PRIORITY_LAST, 0, 1); |
004fd4d5 | 7579 | |
2296d164 | 7580 | if (*md_startfile_prefix_1) |
4977bab6 | 7581 | add_sysrooted_prefix (&startfile_prefixes, md_startfile_prefix_1, |
1a5d37a1 | 7582 | "GCC", PREFIX_PRIORITY_LAST, 0, 1); |
607a4f7d | 7583 | |
4dbc7773 ILT |
7584 | /* If standard_startfile_prefix is relative, base it on |
7585 | standard_exec_prefix. This lets us move the installed tree | |
7586 | as a unit. If GCC_EXEC_PREFIX is defined, base | |
0d037580 DJ |
7587 | standard_startfile_prefix on that as well. |
7588 | ||
7589 | If the prefix is relative, only search it for native compilers; | |
7590 | otherwise we will search a directory containing host libraries. */ | |
3dce1408 | 7591 | if (IS_ABSOLUTE_PATH (standard_startfile_prefix)) |
4977bab6 ZW |
7592 | add_sysrooted_prefix (&startfile_prefixes, |
7593 | standard_startfile_prefix, "BINUTILS", | |
1a5d37a1 | 7594 | PREFIX_PRIORITY_LAST, 0, 1); |
0d037580 | 7595 | else if (*cross_compile == '0') |
4dbc7773 | 7596 | { |
48ff801b | 7597 | add_prefix (&startfile_prefixes, |
b8698a0f L |
7598 | concat (gcc_exec_prefix |
7599 | ? gcc_exec_prefix : standard_exec_prefix, | |
7600 | machine_suffix, | |
d4f2852f | 7601 | standard_startfile_prefix, NULL), |
1a5d37a1 | 7602 | NULL, PREFIX_PRIORITY_LAST, 0, 1); |
9218435e | 7603 | } |
4dbc7773 | 7604 | |
f4c0a303 CD |
7605 | /* Sysrooted prefixes are relocated because target_system_root is |
7606 | also relocated by gcc_exec_prefix. */ | |
656c7a3a AL |
7607 | if (*standard_startfile_prefix_1) |
7608 | add_sysrooted_prefix (&startfile_prefixes, | |
7609 | standard_startfile_prefix_1, "BINUTILS", | |
1a5d37a1 | 7610 | PREFIX_PRIORITY_LAST, 0, 1); |
656c7a3a AL |
7611 | if (*standard_startfile_prefix_2) |
7612 | add_sysrooted_prefix (&startfile_prefixes, | |
7613 | standard_startfile_prefix_2, "BINUTILS", | |
1a5d37a1 | 7614 | PREFIX_PRIORITY_LAST, 0, 1); |
004fd4d5 | 7615 | } |
343f59d9 | 7616 | |
8607048d TT |
7617 | /* Process any user specified specs in the order given on the command |
7618 | line. */ | |
742a072a | 7619 | for (struct user_specs *uptr = user_specs_head; uptr; uptr = uptr->next) |
8607048d | 7620 | { |
5bbcd587 | 7621 | char *filename = find_a_file (&startfile_prefixes, uptr->filename, |
00dcee0c | 7622 | R_OK, true); |
d168aaee | 7623 | read_specs (filename ? filename : uptr->filename, false, true); |
8607048d TT |
7624 | } |
7625 | ||
84f405a1 JJ |
7626 | /* Process any user self specs. */ |
7627 | { | |
7628 | struct spec_list *sl; | |
7629 | for (sl = specs; sl; sl = sl->next) | |
7630 | if (sl->name_len == sizeof "self_spec" - 1 | |
7631 | && !strcmp (sl->name, "self_spec")) | |
7632 | do_self_spec (*sl->ptr_spec); | |
7633 | } | |
7634 | ||
7635 | if (compare_debug) | |
7636 | { | |
7637 | enum save_temps save; | |
7638 | ||
7639 | if (!compare_debug_second) | |
7640 | { | |
7641 | n_switches_debug_check[1] = n_switches; | |
7642 | n_switches_alloc_debug_check[1] = n_switches_alloc; | |
7643 | switches_debug_check[1] = XDUPVEC (struct switchstr, switches, | |
7644 | n_switches_alloc); | |
7645 | ||
7646 | do_self_spec ("%:compare-debug-self-opt()"); | |
7647 | n_switches_debug_check[0] = n_switches; | |
7648 | n_switches_alloc_debug_check[0] = n_switches_alloc; | |
7649 | switches_debug_check[0] = switches; | |
7650 | ||
7651 | n_switches = n_switches_debug_check[1]; | |
7652 | n_switches_alloc = n_switches_alloc_debug_check[1]; | |
7653 | switches = switches_debug_check[1]; | |
7654 | } | |
7655 | ||
7656 | /* Avoid crash when computing %j in this early. */ | |
7657 | save = save_temps_flag; | |
7658 | save_temps_flag = SAVE_TEMPS_NONE; | |
7659 | ||
7660 | compare_debug = -compare_debug; | |
7661 | do_self_spec ("%:compare-debug-self-opt()"); | |
7662 | ||
7663 | save_temps_flag = save; | |
7664 | ||
7665 | if (!compare_debug_second) | |
7666 | { | |
7667 | n_switches_debug_check[1] = n_switches; | |
7668 | n_switches_alloc_debug_check[1] = n_switches_alloc; | |
7669 | switches_debug_check[1] = switches; | |
7670 | compare_debug = -compare_debug; | |
7671 | n_switches = n_switches_debug_check[0]; | |
7672 | n_switches_alloc = n_switches_debug_check[0]; | |
7673 | switches = switches_debug_check[0]; | |
7674 | } | |
7675 | } | |
7676 | ||
7677 | ||
e8601ecb JW |
7678 | /* If we have a GCC_EXEC_PREFIX envvar, modify it for cpp's sake. */ |
7679 | if (gcc_exec_prefix) | |
fc8b3540 IV |
7680 | gcc_exec_prefix = concat (gcc_exec_prefix, spec_host_machine, |
7681 | dir_separator_str, spec_version, | |
7682 | accel_dir_suffix, dir_separator_str, NULL); | |
004fd4d5 | 7683 | |
ed1f651b RS |
7684 | /* Now we have the specs. |
7685 | Set the `valid' bits for switches that match anything in any spec. */ | |
7686 | ||
7687 | validate_all_switches (); | |
7688 | ||
60103a34 DE |
7689 | /* Now that we have the switches and the specs, set |
7690 | the subdirectory based on the options. */ | |
7691 | set_multilib_dir (); | |
742a072a DM |
7692 | } |
7693 | ||
7694 | /* Set up to remember the pathname of gcc and any options | |
7695 | needed for collect. We use argv[0] instead of progname because | |
7696 | we need the complete pathname. */ | |
60103a34 | 7697 | |
742a072a DM |
7698 | void |
7699 | driver::putenv_COLLECT_GCC (const char *argv0) const | |
7700 | { | |
d7f09764 DN |
7701 | obstack_init (&collect_obstack); |
7702 | obstack_grow (&collect_obstack, "COLLECT_GCC=", sizeof ("COLLECT_GCC=") - 1); | |
742a072a | 7703 | obstack_grow (&collect_obstack, argv0, strlen (argv0) + 1); |
d7f09764 | 7704 | xputenv (XOBFINISH (&collect_obstack, char *)); |
742a072a | 7705 | } |
d7f09764 | 7706 | |
742a072a DM |
7707 | /* Set up to remember the pathname of the lto wrapper. */ |
7708 | ||
7709 | void | |
7710 | driver::maybe_putenv_COLLECT_LTO_WRAPPER () const | |
7711 | { | |
7712 | char *lto_wrapper_file; | |
d7f09764 | 7713 | |
117cb2bc JJ |
7714 | if (have_c) |
7715 | lto_wrapper_file = NULL; | |
7716 | else | |
7717 | lto_wrapper_file = find_a_file (&exec_prefixes, "lto-wrapper", | |
7718 | X_OK, false); | |
de9a793e | 7719 | if (lto_wrapper_file) |
d7f09764 | 7720 | { |
3c27ce4c | 7721 | lto_wrapper_file = convert_white_space (lto_wrapper_file); |
de9a793e | 7722 | lto_wrapper_spec = lto_wrapper_file; |
d7f09764 DN |
7723 | obstack_init (&collect_obstack); |
7724 | obstack_grow (&collect_obstack, "COLLECT_LTO_WRAPPER=", | |
7725 | sizeof ("COLLECT_LTO_WRAPPER=") - 1); | |
7726 | obstack_grow (&collect_obstack, lto_wrapper_spec, | |
7727 | strlen (lto_wrapper_spec) + 1); | |
7728 | xputenv (XOBFINISH (&collect_obstack, char *)); | |
7729 | } | |
7730 | ||
742a072a | 7731 | } |
ed1f651b | 7732 | |
fc8b3540 IV |
7733 | /* Set up to remember the names of offload targets. */ |
7734 | ||
7735 | void | |
7736 | driver::maybe_putenv_OFFLOAD_TARGETS () const | |
7737 | { | |
64186aad | 7738 | if (offload_targets && offload_targets[0] != '\0') |
fc8b3540 IV |
7739 | { |
7740 | obstack_grow (&collect_obstack, "OFFLOAD_TARGET_NAMES=", | |
7741 | sizeof ("OFFLOAD_TARGET_NAMES=") - 1); | |
64186aad TS |
7742 | obstack_grow (&collect_obstack, offload_targets, |
7743 | strlen (offload_targets) + 1); | |
fc8b3540 IV |
7744 | xputenv (XOBFINISH (&collect_obstack, char *)); |
7745 | } | |
c713ddc0 BS |
7746 | |
7747 | free (offload_targets); | |
64186aad | 7748 | offload_targets = NULL; |
fc8b3540 IV |
7749 | } |
7750 | ||
61789eed DM |
7751 | /* Helper function for driver::suggest_option. Populate |
7752 | m_option_suggestions with candidate strings for misspelled options. | |
7753 | The strings will be freed by the driver's dtor. */ | |
93ebf1fd | 7754 | |
61789eed DM |
7755 | void |
7756 | driver::build_option_suggestions (void) | |
93ebf1fd | 7757 | { |
61789eed DM |
7758 | gcc_assert (m_option_suggestions == NULL); |
7759 | m_option_suggestions = new auto_vec <char *> (); | |
7760 | ||
7761 | /* We build a vec of m_option_suggestions, using add_misspelling_candidates | |
7762 | to add copies of strings, without a leading dash. */ | |
93ebf1fd DM |
7763 | |
7764 | for (unsigned int i = 0; i < cl_options_count; i++) | |
7765 | { | |
61789eed DM |
7766 | const struct cl_option *option = &cl_options[i]; |
7767 | const char *opt_text = option->opt_text; | |
7768 | switch (i) | |
93ebf1fd | 7769 | { |
61789eed DM |
7770 | default: |
7771 | if (option->var_type == CLVC_ENUM) | |
7772 | { | |
7773 | const struct cl_enum *e = &cl_enums[option->var_enum]; | |
7774 | for (unsigned j = 0; e->values[j].arg != NULL; j++) | |
7775 | { | |
7776 | char *with_arg = concat (opt_text, e->values[j].arg, NULL); | |
603107fb DM |
7777 | add_misspelling_candidates (m_option_suggestions, option, |
7778 | with_arg); | |
61789eed DM |
7779 | free (with_arg); |
7780 | } | |
7781 | } | |
7782 | else | |
603107fb DM |
7783 | add_misspelling_candidates (m_option_suggestions, option, |
7784 | opt_text); | |
61789eed DM |
7785 | break; |
7786 | ||
7787 | case OPT_fsanitize_: | |
7788 | case OPT_fsanitize_recover_: | |
7789 | /* -fsanitize= and -fsanitize-recover= can take | |
7790 | a comma-separated list of arguments. Given that combinations | |
7791 | are supported, we can't add all potential candidates to the | |
7792 | vec, but if we at least add them individually without commas, | |
7793 | we should do a better job e.g. correcting | |
7794 | "-sanitize=address" | |
7795 | to | |
7796 | "-fsanitize=address" | |
7797 | rather than to "-Wframe-address" (PR driver/69265). */ | |
7798 | { | |
7799 | for (int j = 0; sanitizer_opts[j].name != NULL; ++j) | |
7800 | { | |
b0a3329d ML |
7801 | struct cl_option optb; |
7802 | /* -fsanitize=all is not valid, only -fno-sanitize=all. | |
7803 | So don't register the positive misspelling candidates | |
7804 | for it. */ | |
7805 | if (sanitizer_opts[j].flag == ~0U && i == OPT_fsanitize_) | |
7806 | { | |
7807 | optb = *option; | |
7808 | optb.opt_text = opt_text = "-fno-sanitize="; | |
7809 | optb.cl_reject_negative = true; | |
7810 | option = &optb; | |
7811 | } | |
61789eed DM |
7812 | /* Get one arg at a time e.g. "-fsanitize=address". */ |
7813 | char *with_arg = concat (opt_text, | |
7814 | sanitizer_opts[j].name, | |
7815 | NULL); | |
7816 | /* Add with_arg and all of its variant spellings e.g. | |
7817 | "-fno-sanitize=address" to candidates (albeit without | |
7818 | leading dashes). */ | |
603107fb DM |
7819 | add_misspelling_candidates (m_option_suggestions, option, |
7820 | with_arg); | |
61789eed DM |
7821 | free (with_arg); |
7822 | } | |
7823 | } | |
7824 | break; | |
93ebf1fd DM |
7825 | } |
7826 | } | |
61789eed | 7827 | } |
93ebf1fd | 7828 | |
61789eed | 7829 | /* Helper function for driver::handle_unrecognized_options. |
93ebf1fd | 7830 | |
61789eed DM |
7831 | Given an unrecognized option BAD_OPT (without the leading dash), |
7832 | locate the closest reasonable matching option (again, without the | |
7833 | leading dash), or NULL. | |
7834 | ||
7835 | The returned string is owned by the driver instance. */ | |
93ebf1fd | 7836 | |
61789eed DM |
7837 | const char * |
7838 | driver::suggest_option (const char *bad_opt) | |
7839 | { | |
7840 | /* Lazily populate m_option_suggestions. */ | |
7841 | if (!m_option_suggestions) | |
7842 | build_option_suggestions (); | |
7843 | gcc_assert (m_option_suggestions); | |
7844 | ||
7845 | /* "m_option_suggestions" is now populated. Use it. */ | |
7846 | return find_closest_string | |
7847 | (bad_opt, | |
7848 | (auto_vec <const char *> *) m_option_suggestions); | |
93ebf1fd DM |
7849 | } |
7850 | ||
742a072a DM |
7851 | /* Reject switches that no pass was interested in. */ |
7852 | ||
7853 | void | |
61789eed | 7854 | driver::handle_unrecognized_options () |
742a072a DM |
7855 | { |
7856 | for (size_t i = 0; (int) i < n_switches; i++) | |
ab87f8c8 | 7857 | if (! switches[i].validated) |
93ebf1fd DM |
7858 | { |
7859 | const char *hint = suggest_option (switches[i].part1); | |
7860 | if (hint) | |
7861 | error ("unrecognized command line option %<-%s%>;" | |
7862 | " did you mean %<-%s%>?", | |
7863 | switches[i].part1, hint); | |
7864 | else | |
7865 | error ("unrecognized command line option %<-%s%>", | |
7866 | switches[i].part1); | |
7867 | } | |
742a072a | 7868 | } |
ed1f651b | 7869 | |
742a072a DM |
7870 | /* Handle the various -print-* options, returning 0 if the driver |
7871 | should exit, or nonzero if the driver should continue. */ | |
6a9e290e | 7872 | |
742a072a DM |
7873 | int |
7874 | driver::maybe_print_and_exit () const | |
7875 | { | |
2628b9d3 DE |
7876 | if (print_search_dirs) |
7877 | { | |
f4c0a303 CD |
7878 | printf (_("install: %s%s\n"), |
7879 | gcc_exec_prefix ? gcc_exec_prefix : standard_exec_prefix, | |
7880 | gcc_exec_prefix ? "" : machine_suffix); | |
00dcee0c AM |
7881 | printf (_("programs: %s\n"), |
7882 | build_search_list (&exec_prefixes, "", false, false)); | |
7883 | printf (_("libraries: %s\n"), | |
7884 | build_search_list (&startfile_prefixes, "", false, true)); | |
9257393c | 7885 | return (0); |
2628b9d3 DE |
7886 | } |
7887 | ||
6a9e290e | 7888 | if (print_file_name) |
2dcb563f | 7889 | { |
6a9e290e | 7890 | printf ("%s\n", find_file (print_file_name)); |
9257393c | 7891 | return (0); |
2dcb563f RS |
7892 | } |
7893 | ||
6a9e290e RK |
7894 | if (print_prog_name) |
7895 | { | |
b78e932d L |
7896 | if (use_ld != NULL && ! strcmp (print_prog_name, "ld")) |
7897 | { | |
026c3cfd | 7898 | /* Append USE_LD to the default linker. */ |
b78e932d L |
7899 | #ifdef DEFAULT_LINKER |
7900 | char *ld; | |
7901 | # ifdef HAVE_HOST_EXECUTABLE_SUFFIX | |
7902 | int len = (sizeof (DEFAULT_LINKER) | |
7903 | - sizeof (HOST_EXECUTABLE_SUFFIX)); | |
7904 | ld = NULL; | |
7905 | if (len > 0) | |
7906 | { | |
7907 | char *default_linker = xstrdup (DEFAULT_LINKER); | |
7908 | /* Strip HOST_EXECUTABLE_SUFFIX if DEFAULT_LINKER contains | |
7909 | HOST_EXECUTABLE_SUFFIX. */ | |
7910 | if (! strcmp (&default_linker[len], HOST_EXECUTABLE_SUFFIX)) | |
7911 | { | |
7912 | default_linker[len] = '\0'; | |
7913 | ld = concat (default_linker, use_ld, | |
7914 | HOST_EXECUTABLE_SUFFIX, NULL); | |
7915 | } | |
7916 | } | |
7917 | if (ld == NULL) | |
7918 | # endif | |
7919 | ld = concat (DEFAULT_LINKER, use_ld, NULL); | |
7920 | if (access (ld, X_OK) == 0) | |
7921 | { | |
7922 | printf ("%s\n", ld); | |
7923 | return (0); | |
7924 | } | |
7925 | #endif | |
7926 | print_prog_name = concat (print_prog_name, use_ld, NULL); | |
7927 | } | |
5bbcd587 | 7928 | char *newname = find_a_file (&exec_prefixes, print_prog_name, X_OK, 0); |
6a9e290e | 7929 | printf ("%s\n", (newname ? newname : print_prog_name)); |
9257393c | 7930 | return (0); |
6a9e290e | 7931 | } |
ed1f651b | 7932 | |
60103a34 DE |
7933 | if (print_multi_lib) |
7934 | { | |
7935 | print_multilib_info (); | |
9257393c | 7936 | return (0); |
60103a34 DE |
7937 | } |
7938 | ||
7939 | if (print_multi_directory) | |
7940 | { | |
7941 | if (multilib_dir == NULL) | |
7942 | printf (".\n"); | |
7943 | else | |
7944 | printf ("%s\n", multilib_dir); | |
9257393c | 7945 | return (0); |
60103a34 DE |
7946 | } |
7947 | ||
e0cdc09f MK |
7948 | if (print_multiarch) |
7949 | { | |
7950 | if (multiarch_dir == NULL) | |
7951 | printf ("\n"); | |
7952 | else | |
7953 | printf ("%s\n", multiarch_dir); | |
7954 | return (0); | |
7955 | } | |
7956 | ||
3def1397 VP |
7957 | if (print_sysroot) |
7958 | { | |
7959 | if (target_system_root) | |
7960 | { | |
7961 | if (target_sysroot_suffix) | |
7962 | printf ("%s%s\n", target_system_root, target_sysroot_suffix); | |
7963 | else | |
7964 | printf ("%s\n", target_system_root); | |
7965 | } | |
7966 | return (0); | |
7967 | } | |
7968 | ||
5bbcd587 JJ |
7969 | if (print_multi_os_directory) |
7970 | { | |
7971 | if (multilib_os_dir == NULL) | |
7972 | printf (".\n"); | |
7973 | else | |
7974 | printf ("%s\n", multilib_os_dir); | |
7975 | return (0); | |
7976 | } | |
7977 | ||
14da6073 JM |
7978 | if (print_sysroot_headers_suffix) |
7979 | { | |
7980 | if (*sysroot_hdrs_suffix_spec) | |
7981 | { | |
dc5bbad3 JM |
7982 | printf("%s\n", (target_sysroot_hdrs_suffix |
7983 | ? target_sysroot_hdrs_suffix | |
7984 | : "")); | |
14da6073 JM |
7985 | return (0); |
7986 | } | |
7987 | else | |
7988 | /* The error status indicates that only one set of fixed | |
7989 | headers should be built. */ | |
40fecdd6 JM |
7990 | fatal_error (input_location, |
7991 | "not configured with sysroot headers suffix"); | |
14da6073 JM |
7992 | } |
7993 | ||
b8468bc7 NC |
7994 | if (print_help_list) |
7995 | { | |
7996 | display_help (); | |
7997 | ||
7998 | if (! verbose_flag) | |
7999 | { | |
5e4adfba | 8000 | printf (_("\nFor bug reporting instructions, please see:\n")); |
a976603e | 8001 | printf ("%s.\n", bug_report_url); |
9218435e | 8002 | |
9257393c | 8003 | return (0); |
b8468bc7 NC |
8004 | } |
8005 | ||
8006 | /* We do not exit here. Instead we have created a fake input file | |
8007 | called 'help-dummy' which needs to be compiled, and we pass this | |
033505fc RW |
8008 | on the various sub-processes, along with the --help switch. |
8009 | Ensure their output appears after ours. */ | |
8010 | fputc ('\n', stdout); | |
8011 | fflush (stdout); | |
b8468bc7 | 8012 | } |
9218435e | 8013 | |
41fd0f9b RAE |
8014 | if (print_version) |
8015 | { | |
6afbc885 | 8016 | printf (_("%s %s%s\n"), progname, pkgversion_string, |
41fd0f9b | 8017 | version_string); |
c1a9c369 | 8018 | printf ("Copyright %s 2017 Free Software Foundation, Inc.\n", |
41fd0f9b RAE |
8019 | _("(C)")); |
8020 | fputs (_("This is free software; see the source for copying conditions. There is NO\n\ | |
8021 | warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"), | |
8022 | stdout); | |
8023 | if (! verbose_flag) | |
8024 | return 0; | |
8025 | ||
8026 | /* We do not exit here. We use the same mechanism of --help to print | |
8027 | the version of the sub-processes. */ | |
8028 | fputc ('\n', stdout); | |
8029 | fflush (stdout); | |
8030 | } | |
8031 | ||
ed1f651b RS |
8032 | if (verbose_flag) |
8033 | { | |
dc10fd96 | 8034 | print_configuration (stderr); |
ed1f651b | 8035 | if (n_infiles == 0) |
9257393c | 8036 | return (0); |
ed1f651b RS |
8037 | } |
8038 | ||
742a072a DM |
8039 | return 1; |
8040 | } | |
8041 | ||
8042 | /* Figure out what to do with each input file. | |
8043 | Return true if we need to exit early from "main", false otherwise. */ | |
8044 | ||
8045 | bool | |
8046 | driver::prepare_infiles () | |
8047 | { | |
8048 | size_t i; | |
8049 | int lang_n_infiles = 0; | |
8050 | ||
a2a05b0a | 8051 | if (n_infiles == added_libraries) |
40fecdd6 | 8052 | fatal_error (input_location, "no input files"); |
ed1f651b | 8053 | |
4df47bca | 8054 | if (seen_error ()) |
742a072a DM |
8055 | /* Early exit needed from main. */ |
8056 | return true; | |
4df47bca | 8057 | |
ed1f651b RS |
8058 | /* Make a place to record the compiler output file names |
8059 | that correspond to the input files. */ | |
8060 | ||
f271358e | 8061 | i = n_infiles; |
e37cda9b | 8062 | i += lang_specific_extra_outfiles; |
5ed6ace5 | 8063 | outfiles = XCNEWVEC (const char *, i); |
ed1f651b RS |
8064 | |
8065 | /* Record which files were specified explicitly as link input. */ | |
8066 | ||
d900f77d | 8067 | explicit_link_files = XCNEWVEC (char, n_infiles); |
ed1f651b | 8068 | |
56b721c5 | 8069 | combine_inputs = have_o || flag_wpa; |
0855eab7 CT |
8070 | |
8071 | for (i = 0; (int) i < n_infiles; i++) | |
d1bd0ded | 8072 | { |
0855eab7 | 8073 | const char *name = infiles[i].name; |
7904f95f EC |
8074 | struct compiler *compiler = lookup_compiler (name, |
8075 | strlen (name), | |
0855eab7 | 8076 | infiles[i].language); |
7904f95f | 8077 | |
0855eab7 CT |
8078 | if (compiler && !(compiler->combinable)) |
8079 | combine_inputs = false; | |
7904f95f | 8080 | |
0855eab7 CT |
8081 | if (lang_n_infiles > 0 && compiler != input_file_compiler |
8082 | && infiles[i].language && infiles[i].language[0] != '*') | |
8083 | infiles[i].incompiler = compiler; | |
8084 | else if (compiler) | |
8085 | { | |
8086 | lang_n_infiles++; | |
8087 | input_file_compiler = compiler; | |
8088 | infiles[i].incompiler = compiler; | |
8089 | } | |
8090 | else | |
8091 | { | |
8092 | /* Since there is no compiler for this input file, assume it is a | |
9cf737f8 | 8093 | linker file. */ |
0855eab7 CT |
8094 | explicit_link_files[i] = 1; |
8095 | infiles[i].incompiler = NULL; | |
8096 | } | |
8097 | infiles[i].compiled = false; | |
8098 | infiles[i].preprocessed = false; | |
d1bd0ded | 8099 | } |
953ff289 | 8100 | |
de19a50e | 8101 | if (!combine_inputs && have_c && have_o && lang_n_infiles > 1) |
40fecdd6 JM |
8102 | fatal_error (input_location, |
8103 | "cannot specify -o with -c, -S or -E with multiple files"); | |
0855eab7 | 8104 | |
742a072a DM |
8105 | /* No early exit needed from main; we can continue. */ |
8106 | return false; | |
8107 | } | |
8108 | ||
8109 | /* Run the spec machinery on each input file. */ | |
8110 | ||
8111 | void | |
8112 | driver::do_spec_on_infiles () const | |
8113 | { | |
8114 | size_t i; | |
8115 | ||
0855eab7 | 8116 | for (i = 0; (int) i < n_infiles; i++) |
ed1f651b | 8117 | { |
ed1f651b RS |
8118 | int this_file_error = 0; |
8119 | ||
8120 | /* Tell do_spec what to substitute for %i. */ | |
8121 | ||
ed1f651b | 8122 | input_file_number = i; |
512b62fb | 8123 | set_input (infiles[i].name); |
ed1f651b | 8124 | |
0855eab7 CT |
8125 | if (infiles[i].compiled) |
8126 | continue; | |
8127 | ||
ed1f651b RS |
8128 | /* Use the same thing in %o, unless cp->spec says otherwise. */ |
8129 | ||
6afbc885 | 8130 | outfiles[i] = gcc_input_filename; |
ed1f651b RS |
8131 | |
8132 | /* Figure out which compiler from the file's suffix. */ | |
8133 | ||
c3224d6f RG |
8134 | input_file_compiler |
8135 | = lookup_compiler (infiles[i].name, input_filename_length, | |
8136 | infiles[i].language); | |
589005ff | 8137 | |
a9374841 | 8138 | if (input_file_compiler) |
ed1f651b RS |
8139 | { |
8140 | /* Ok, we found an applicable compiler. Run its spec. */ | |
ed1f651b | 8141 | |
a9374841 | 8142 | if (input_file_compiler->spec[0] == '#') |
d644be7b ZW |
8143 | { |
8144 | error ("%s: %s compiler not installed on this system", | |
6afbc885 | 8145 | gcc_input_filename, &input_file_compiler->spec[1]); |
d644be7b ZW |
8146 | this_file_error = 1; |
8147 | } | |
8148 | else | |
8149 | { | |
742a072a DM |
8150 | int value; |
8151 | ||
2153915d AO |
8152 | if (compare_debug) |
8153 | { | |
04695783 | 8154 | free (debug_check_temp_file[0]); |
2153915d AO |
8155 | debug_check_temp_file[0] = NULL; |
8156 | ||
04695783 | 8157 | free (debug_check_temp_file[1]); |
2153915d AO |
8158 | debug_check_temp_file[1] = NULL; |
8159 | } | |
8160 | ||
d644be7b | 8161 | value = do_spec (input_file_compiler->spec); |
0855eab7 | 8162 | infiles[i].compiled = true; |
d644be7b | 8163 | if (value < 0) |
b21292d0 | 8164 | this_file_error = 1; |
2153915d AO |
8165 | else if (compare_debug && debug_check_temp_file[0]) |
8166 | { | |
8167 | if (verbose_flag) | |
2dec80c7 | 8168 | inform (0, "recompiling with -fcompare-debug"); |
2153915d AO |
8169 | |
8170 | compare_debug = -compare_debug; | |
8171 | n_switches = n_switches_debug_check[1]; | |
efe5e5a0 | 8172 | n_switches_alloc = n_switches_alloc_debug_check[1]; |
2153915d AO |
8173 | switches = switches_debug_check[1]; |
8174 | ||
8175 | value = do_spec (input_file_compiler->spec); | |
8176 | ||
8177 | compare_debug = -compare_debug; | |
8178 | n_switches = n_switches_debug_check[0]; | |
efe5e5a0 | 8179 | n_switches_alloc = n_switches_alloc_debug_check[0]; |
2153915d AO |
8180 | switches = switches_debug_check[0]; |
8181 | ||
8182 | if (value < 0) | |
8183 | { | |
8184 | error ("during -fcompare-debug recompilation"); | |
8185 | this_file_error = 1; | |
8186 | } | |
8187 | ||
8188 | gcc_assert (debug_check_temp_file[1] | |
ba78087b KT |
8189 | && filename_cmp (debug_check_temp_file[0], |
8190 | debug_check_temp_file[1])); | |
2153915d AO |
8191 | |
8192 | if (verbose_flag) | |
2dec80c7 | 8193 | inform (0, "comparing final insns dumps"); |
2153915d AO |
8194 | |
8195 | if (compare_files (debug_check_temp_file)) | |
8196 | this_file_error = 1; | |
8197 | } | |
8198 | ||
8199 | if (compare_debug) | |
8200 | { | |
04695783 | 8201 | free (debug_check_temp_file[0]); |
2153915d AO |
8202 | debug_check_temp_file[0] = NULL; |
8203 | ||
04695783 | 8204 | free (debug_check_temp_file[1]); |
2153915d AO |
8205 | debug_check_temp_file[1] = NULL; |
8206 | } | |
d644be7b | 8207 | } |
ed1f651b RS |
8208 | } |
8209 | ||
8210 | /* If this file's name does not contain a recognized suffix, | |
8211 | record it as explicit linker input. */ | |
8212 | ||
8213 | else | |
8214 | explicit_link_files[i] = 1; | |
8215 | ||
8216 | /* Clear the delete-on-failure queue, deleting the files in it | |
8217 | if this compilation failed. */ | |
8218 | ||
8219 | if (this_file_error) | |
8220 | { | |
8221 | delete_failure_queue (); | |
6afbc885 | 8222 | errorcount++; |
ed1f651b RS |
8223 | } |
8224 | /* If this compilation succeeded, don't delete those files later. */ | |
8225 | clear_failure_queue (); | |
8226 | } | |
8227 | ||
817a8255 EC |
8228 | /* Reset the input file name to the first compile/object file name, for use |
8229 | with %b in LINK_SPEC. We use the first input file that we can find | |
7904f95f | 8230 | a compiler to compile it instead of using infiles.language since for |
817a8255 | 8231 | languages other than C we use aliases that we then lookup later. */ |
512b62fb | 8232 | if (n_infiles > 0) |
817a8255 EC |
8233 | { |
8234 | int i; | |
8235 | ||
8236 | for (i = 0; i < n_infiles ; i++) | |
42113d6b RG |
8237 | if (infiles[i].incompiler |
8238 | || (infiles[i].language && infiles[i].language[0] != '*')) | |
817a8255 EC |
8239 | { |
8240 | set_input (infiles[i].name); | |
8241 | break; | |
8242 | } | |
8243 | } | |
512b62fb | 8244 | |
6afbc885 | 8245 | if (!seen_error ()) |
15c5edb9 TT |
8246 | { |
8247 | /* Make sure INPUT_FILE_NUMBER points to first available open | |
8248 | slot. */ | |
8249 | input_file_number = n_infiles; | |
8250 | if (lang_specific_pre_link ()) | |
6afbc885 | 8251 | errorcount++; |
15c5edb9 | 8252 | } |
742a072a DM |
8253 | } |
8254 | ||
8255 | /* If we have to run the linker, do it now. */ | |
8256 | ||
8257 | void | |
8258 | driver::maybe_run_linker (const char *argv0) const | |
8259 | { | |
8260 | size_t i; | |
8261 | int linker_was_run = 0; | |
8262 | int num_linker_inputs; | |
f271358e | 8263 | |
17211ab5 GK |
8264 | /* Determine if there are any linker input files. */ |
8265 | num_linker_inputs = 0; | |
8266 | for (i = 0; (int) i < n_infiles; i++) | |
8267 | if (explicit_link_files[i] || outfiles[i] != NULL) | |
8268 | num_linker_inputs++; | |
8269 | ||
ed1f651b RS |
8270 | /* Run ld to link all the compiler output files. */ |
8271 | ||
6afbc885 | 8272 | if (num_linker_inputs > 0 && !seen_error () && print_subprocess_help < 2) |
ed1f651b RS |
8273 | { |
8274 | int tmp = execution_count; | |
117cb2bc JJ |
8275 | |
8276 | if (! have_c) | |
8277 | { | |
55b46574 RO |
8278 | #if HAVE_LTO_PLUGIN > 0 |
8279 | #if HAVE_LTO_PLUGIN == 2 | |
117cb2bc | 8280 | const char *fno_use_linker_plugin = "fno-use-linker-plugin"; |
96bdf9b4 | 8281 | #else |
117cb2bc | 8282 | const char *fuse_linker_plugin = "fuse-linker-plugin"; |
55b46574 | 8283 | #endif |
96bdf9b4 | 8284 | #endif |
b3865ca9 | 8285 | |
117cb2bc JJ |
8286 | /* We'll use ld if we can't find collect2. */ |
8287 | if (! strcmp (linker_name_spec, "collect2")) | |
8288 | { | |
8289 | char *s = find_a_file (&exec_prefixes, "collect2", X_OK, false); | |
8290 | if (s == NULL) | |
8291 | linker_name_spec = "ld"; | |
8292 | } | |
d7f09764 | 8293 | |
55b46574 RO |
8294 | #if HAVE_LTO_PLUGIN > 0 |
8295 | #if HAVE_LTO_PLUGIN == 2 | |
117cb2bc JJ |
8296 | if (!switch_matches (fno_use_linker_plugin, |
8297 | fno_use_linker_plugin | |
8298 | + strlen (fno_use_linker_plugin), 0)) | |
96bdf9b4 | 8299 | #else |
117cb2bc JJ |
8300 | if (switch_matches (fuse_linker_plugin, |
8301 | fuse_linker_plugin | |
8302 | + strlen (fuse_linker_plugin), 0)) | |
96bdf9b4 | 8303 | #endif |
117cb2bc | 8304 | { |
3c27ce4c JY |
8305 | char *temp_spec = find_a_file (&exec_prefixes, |
8306 | LTOPLUGINSONAME, R_OK, | |
8307 | false); | |
8308 | if (!temp_spec) | |
40fecdd6 JM |
8309 | fatal_error (input_location, |
8310 | "-fuse-linker-plugin, but %s not found", | |
117cb2bc | 8311 | LTOPLUGINSONAME); |
3c27ce4c | 8312 | linker_plugin_file_spec = convert_white_space (temp_spec); |
117cb2bc | 8313 | } |
55b46574 | 8314 | #endif |
742a072a | 8315 | lto_gcc_spec = argv0; |
117cb2bc | 8316 | } |
d7f09764 | 8317 | |
b3865ca9 RS |
8318 | /* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables |
8319 | for collect. */ | |
00dcee0c AM |
8320 | putenv_from_prefixes (&exec_prefixes, "COMPILER_PATH", false); |
8321 | putenv_from_prefixes (&startfile_prefixes, LIBRARY_PATH_ENV, true); | |
b3865ca9 | 8322 | |
a0f87454 RS |
8323 | if (print_subprocess_help == 1) |
8324 | { | |
8325 | printf (_("\nLinker options\n==============\n\n")); | |
8326 | printf (_("Use \"-Wl,OPTION\" to pass \"OPTION\"" | |
8327 | " to the linker.\n\n")); | |
8328 | fflush (stdout); | |
8329 | } | |
742a072a | 8330 | int value = do_spec (link_command_spec); |
ed1f651b | 8331 | if (value < 0) |
6afbc885 | 8332 | errorcount = 1; |
ed1f651b RS |
8333 | linker_was_run = (tmp != execution_count); |
8334 | } | |
8335 | ||
ed1f651b RS |
8336 | /* If options said don't run linker, |
8337 | complain about input files to be given to the linker. */ | |
8338 | ||
6afbc885 | 8339 | if (! linker_was_run && !seen_error ()) |
d25a45d4 | 8340 | for (i = 0; (int) i < n_infiles; i++) |
01e4dd0d KH |
8341 | if (explicit_link_files[i] |
8342 | && !(infiles[i].language && infiles[i].language[0] == '*')) | |
2dec80c7 JM |
8343 | warning (0, "%s: linker input file unused because linking not done", |
8344 | outfiles[i]); | |
742a072a DM |
8345 | } |
8346 | ||
8347 | /* The end of "main". */ | |
ed1f651b | 8348 | |
742a072a DM |
8349 | void |
8350 | driver::final_actions () const | |
8351 | { | |
ed1f651b RS |
8352 | /* Delete some or all of the temporary files we made. */ |
8353 | ||
6afbc885 | 8354 | if (seen_error ()) |
ed1f651b RS |
8355 | delete_failure_queue (); |
8356 | delete_temp_files (); | |
8357 | ||
b8468bc7 NC |
8358 | if (print_help_list) |
8359 | { | |
5e4adfba | 8360 | printf (("\nFor bug reporting instructions, please see:\n")); |
a976603e | 8361 | printf ("%s\n", bug_report_url); |
b8468bc7 | 8362 | } |
742a072a | 8363 | } |
9218435e | 8364 | |
742a072a DM |
8365 | /* Determine what the exit code of the driver should be. */ |
8366 | ||
8367 | int | |
8368 | driver::get_exit_code () const | |
8369 | { | |
14a774a9 | 8370 | return (signal_count != 0 ? 2 |
6afbc885 | 8371 | : seen_error () ? (pass_exit_codes ? greatest_status : 1) |
14a774a9 | 8372 | : 0); |
ed1f651b RS |
8373 | } |
8374 | ||
8375 | /* Find the proper compilation spec for the file name NAME, | |
004fd4d5 | 8376 | whose length is LENGTH. LANGUAGE is the specified language, |
e5e809f4 | 8377 | or 0 if this file is to be passed to the linker. */ |
ed1f651b RS |
8378 | |
8379 | static struct compiler * | |
1d088dee | 8380 | lookup_compiler (const char *name, size_t length, const char *language) |
ed1f651b RS |
8381 | { |
8382 | struct compiler *cp; | |
8383 | ||
3ac63d94 | 8384 | /* If this was specified by the user to be a linker input, indicate that. */ |
e5e809f4 JL |
8385 | if (language != 0 && language[0] == '*') |
8386 | return 0; | |
8387 | ||
8388 | /* Otherwise, look for the language, if one is spec'd. */ | |
ed1f651b RS |
8389 | if (language != 0) |
8390 | { | |
8391 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
e5e809f4 | 8392 | if (cp->suffix[0] == '@' && !strcmp (cp->suffix + 1, language)) |
cd445b54 ML |
8393 | { |
8394 | if (name != NULL && strcmp (name, "-") == 0 | |
8395 | && (strcmp (cp->suffix, "@c-header") == 0 | |
7e8400e2 ML |
8396 | || strcmp (cp->suffix, "@c++-header") == 0) |
8397 | && !have_E) | |
cd445b54 ML |
8398 | fatal_error (input_location, |
8399 | "cannot use %<-%> as input filename for a " | |
8400 | "precompiled header"); | |
8401 | ||
8402 | return cp; | |
8403 | } | |
e5e809f4 | 8404 | |
ed1f651b | 8405 | error ("language %s not recognized", language); |
e5e809f4 | 8406 | return 0; |
ed1f651b RS |
8407 | } |
8408 | ||
8409 | /* Look for a suffix. */ | |
8410 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
8411 | { | |
4cf3301c RS |
8412 | if (/* The suffix `-' matches only the file name `-'. */ |
8413 | (!strcmp (cp->suffix, "-") && !strcmp (name, "-")) | |
e5e809f4 JL |
8414 | || (strlen (cp->suffix) < length |
8415 | /* See if the suffix matches the end of NAME. */ | |
e5e809f4 JL |
8416 | && !strcmp (cp->suffix, |
8417 | name + length - strlen (cp->suffix)) | |
e5e809f4 | 8418 | )) |
589005ff | 8419 | break; |
03bf1c28 | 8420 | } |
e5e809f4 | 8421 | |
03bf1c28 | 8422 | #if defined (OS2) ||defined (HAVE_DOS_BASED_FILE_SYSTEM) |
a1105617 | 8423 | /* Look again, but case-insensitively this time. */ |
03bf1c28 MK |
8424 | if (cp < compilers) |
8425 | for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) | |
8426 | { | |
8427 | if (/* The suffix `-' matches only the file name `-'. */ | |
8428 | (!strcmp (cp->suffix, "-") && !strcmp (name, "-")) | |
8429 | || (strlen (cp->suffix) < length | |
8430 | /* See if the suffix matches the end of NAME. */ | |
8431 | && ((!strcmp (cp->suffix, | |
8432 | name + length - strlen (cp->suffix)) | |
8433 | || !strpbrk (cp->suffix, "ABCDEFGHIJKLMNOPQRSTUVWXYZ")) | |
8434 | && !strcasecmp (cp->suffix, | |
8435 | name + length - strlen (cp->suffix))) | |
8436 | )) | |
8437 | break; | |
8438 | } | |
8439 | #endif | |
8440 | ||
03bf1c28 MK |
8441 | if (cp >= compilers) |
8442 | { | |
ea414c97 ZW |
8443 | if (cp->spec[0] != '@') |
8444 | /* A non-alias entry: return it. */ | |
8445 | return cp; | |
9218435e | 8446 | |
ea414c97 ZW |
8447 | /* An alias entry maps a suffix to a language. |
8448 | Search for the language; pass 0 for NAME and LENGTH | |
8449 | to avoid infinite recursion if language not found. */ | |
6496a589 | 8450 | return lookup_compiler (NULL, 0, cp->spec + 1); |
ed1f651b | 8451 | } |
ed1f651b RS |
8452 | return 0; |
8453 | } | |
8454 | \f | |
ed1f651b | 8455 | static char * |
1d088dee | 8456 | save_string (const char *s, int len) |
ed1f651b | 8457 | { |
5ed6ace5 | 8458 | char *result = XNEWVEC (char, len + 1); |
ed1f651b | 8459 | |
38359141 | 8460 | gcc_checking_assert (strlen (s) >= (unsigned int) len); |
da61dec9 | 8461 | memcpy (result, s, len); |
ed1f651b RS |
8462 | result[len] = 0; |
8463 | return result; | |
8464 | } | |
8465 | ||
d991c721 | 8466 | void |
1d088dee | 8467 | pfatal_with_name (const char *name) |
ed1f651b | 8468 | { |
ab87f8c8 JL |
8469 | perror_with_name (name); |
8470 | delete_temp_files (); | |
8471 | exit (1); | |
ed1f651b RS |
8472 | } |
8473 | ||
8474 | static void | |
1d088dee | 8475 | perror_with_name (const char *name) |
ed1f651b | 8476 | { |
bdc6b402 | 8477 | error ("%s: %m", name); |
ed1f651b | 8478 | } |
ed1f651b | 8479 | \f |
4977bab6 | 8480 | static inline void |
d168aaee | 8481 | validate_switches_from_spec (const char *spec, bool user) |
4977bab6 ZW |
8482 | { |
8483 | const char *p = spec; | |
8484 | char c; | |
8485 | while ((c = *p++)) | |
8486 | if (c == '%' && (*p == '{' || *p == '<' || (*p == 'W' && *++p == '{'))) | |
8487 | /* We have a switch spec. */ | |
d168aaee | 8488 | p = validate_switches (p + 1, user); |
4977bab6 ZW |
8489 | } |
8490 | ||
ed1f651b | 8491 | static void |
1d088dee | 8492 | validate_all_switches (void) |
ed1f651b RS |
8493 | { |
8494 | struct compiler *comp; | |
b3865ca9 | 8495 | struct spec_list *spec; |
ed1f651b | 8496 | |
ea414c97 | 8497 | for (comp = compilers; comp->spec; comp++) |
d168aaee | 8498 | validate_switches_from_spec (comp->spec, false); |
ed1f651b | 8499 | |
3ac63d94 | 8500 | /* Look through the linked list of specs read from the specs file. */ |
d25a45d4 | 8501 | for (spec = specs; spec; spec = spec->next) |
d168aaee | 8502 | validate_switches_from_spec (*spec->ptr_spec, spec->user_p); |
b3865ca9 | 8503 | |
d168aaee | 8504 | validate_switches_from_spec (link_command_spec, false); |
ed1f651b RS |
8505 | } |
8506 | ||
8507 | /* Look at the switch-name that comes after START | |
8508 | and mark as valid all supplied switches that match it. */ | |
8509 | ||
4977bab6 | 8510 | static const char * |
d168aaee | 8511 | validate_switches (const char *start, bool user_spec) |
ed1f651b | 8512 | { |
b3694847 | 8513 | const char *p = start; |
4977bab6 ZW |
8514 | const char *atom; |
8515 | size_t len; | |
b3694847 | 8516 | int i; |
4977bab6 ZW |
8517 | bool suffix = false; |
8518 | bool starred = false; | |
1d088dee | 8519 | |
4977bab6 | 8520 | #define SKIP_WHITE() do { while (*p == ' ' || *p == '\t') p++; } while (0) |
1d088dee | 8521 | |
10ebf5fe | 8522 | next_member: |
4977bab6 ZW |
8523 | SKIP_WHITE (); |
8524 | ||
ed1f651b | 8525 | if (*p == '!') |
4977bab6 | 8526 | p++; |
ed1f651b | 8527 | |
4977bab6 | 8528 | SKIP_WHITE (); |
48137d59 | 8529 | if (*p == '.' || *p == ',') |
4977bab6 | 8530 | suffix = true, p++; |
ed1f651b | 8531 | |
4977bab6 ZW |
8532 | atom = p; |
8533 | while (ISIDNUM (*p) || *p == '-' || *p == '+' || *p == '=' | |
7a975113 | 8534 | || *p == ',' || *p == '.' || *p == '@') |
d25a45d4 | 8535 | p++; |
4977bab6 | 8536 | len = p - atom; |
ed1f651b | 8537 | |
4977bab6 ZW |
8538 | if (*p == '*') |
8539 | starred = true, p++; | |
8540 | ||
8541 | SKIP_WHITE (); | |
8542 | ||
8543 | if (!suffix) | |
ed1f651b RS |
8544 | { |
8545 | /* Mark all matching switches as valid. */ | |
ed1f651b | 8546 | for (i = 0; i < n_switches; i++) |
4977bab6 | 8547 | if (!strncmp (switches[i].part1, atom, len) |
d168aaee CB |
8548 | && (starred || switches[i].part1[len] == '\0') |
8549 | && (switches[i].known || user_spec)) | |
8550 | switches[i].validated = true; | |
ed1f651b | 8551 | } |
4977bab6 | 8552 | |
5a0ba8c9 LJR |
8553 | if (*p) p++; |
8554 | if (*p && (p[-1] == '|' || p[-1] == '&')) | |
4977bab6 ZW |
8555 | goto next_member; |
8556 | ||
5a0ba8c9 | 8557 | if (*p && p[-1] == ':') |
ed1f651b | 8558 | { |
4977bab6 | 8559 | while (*p && *p != ';' && *p != '}') |
ed1f651b | 8560 | { |
4977bab6 ZW |
8561 | if (*p == '%') |
8562 | { | |
8563 | p++; | |
8564 | if (*p == '{' || *p == '<') | |
d168aaee | 8565 | p = validate_switches (p+1, user_spec); |
4977bab6 | 8566 | else if (p[0] == 'W' && p[1] == '{') |
d168aaee | 8567 | p = validate_switches (p+2, user_spec); |
4977bab6 | 8568 | } |
e17aafd1 GK |
8569 | else |
8570 | p++; | |
ed1f651b | 8571 | } |
4977bab6 | 8572 | |
5a0ba8c9 LJR |
8573 | if (*p) p++; |
8574 | if (*p && p[-1] == ';') | |
4977bab6 | 8575 | goto next_member; |
ed1f651b | 8576 | } |
10ebf5fe | 8577 | |
4977bab6 ZW |
8578 | return p; |
8579 | #undef SKIP_WHITE | |
ed1f651b | 8580 | } |
60103a34 | 8581 | \f |
5bbcd587 JJ |
8582 | struct mdswitchstr |
8583 | { | |
8584 | const char *str; | |
8585 | int len; | |
8586 | }; | |
8587 | ||
8588 | static struct mdswitchstr *mdswitches; | |
8589 | static int n_mdswitches; | |
8590 | ||
961b7009 | 8591 | /* Check whether a particular argument was used. The first time we |
956d6950 | 8592 | canonicalize the switches to keep only the ones we care about. */ |
60103a34 | 8593 | |
9376dd63 | 8594 | class used_arg_t |
60103a34 | 8595 | { |
9376dd63 DM |
8596 | public: |
8597 | int operator () (const char *p, int len); | |
8598 | void finalize (); | |
8599 | ||
8600 | private: | |
3ac63d94 NC |
8601 | struct mswitchstr |
8602 | { | |
3b304f5b ZW |
8603 | const char *str; |
8604 | const char *replace; | |
961b7009 MM |
8605 | int len; |
8606 | int rep_len; | |
8607 | }; | |
8608 | ||
9376dd63 DM |
8609 | mswitchstr *mswitches; |
8610 | int n_mswitches; | |
8611 | ||
8612 | }; | |
8613 | ||
8614 | used_arg_t used_arg; | |
8615 | ||
8616 | int | |
8617 | used_arg_t::operator () (const char *p, int len) | |
8618 | { | |
961b7009 MM |
8619 | int i, j; |
8620 | ||
8621 | if (!mswitches) | |
8622 | { | |
8623 | struct mswitchstr *matches; | |
3b304f5b | 8624 | const char *q; |
c8c2dcdc | 8625 | int cnt = 0; |
961b7009 | 8626 | |
d25a45d4 KH |
8627 | /* Break multilib_matches into the component strings of string |
8628 | and replacement string. */ | |
1a0bdd29 RK |
8629 | for (q = multilib_matches; *q != '\0'; q++) |
8630 | if (*q == ';') | |
961b7009 MM |
8631 | cnt++; |
8632 | ||
e1e4cdc4 KG |
8633 | matches |
8634 | = (struct mswitchstr *) alloca ((sizeof (struct mswitchstr)) * cnt); | |
961b7009 MM |
8635 | i = 0; |
8636 | q = multilib_matches; | |
8637 | while (*q != '\0') | |
8638 | { | |
8639 | matches[i].str = q; | |
8640 | while (*q != ' ') | |
8641 | { | |
8642 | if (*q == '\0') | |
3b5edfee NS |
8643 | { |
8644 | invalid_matches: | |
40fecdd6 | 8645 | fatal_error (input_location, "multilib spec %qs is invalid", |
2dec80c7 | 8646 | multilib_matches); |
3b5edfee | 8647 | } |
961b7009 MM |
8648 | q++; |
8649 | } | |
961b7009 | 8650 | matches[i].len = q - matches[i].str; |
60103a34 | 8651 | |
961b7009 MM |
8652 | matches[i].replace = ++q; |
8653 | while (*q != ';' && *q != '\0') | |
8654 | { | |
8655 | if (*q == ' ') | |
3b5edfee | 8656 | goto invalid_matches; |
961b7009 MM |
8657 | q++; |
8658 | } | |
8659 | matches[i].rep_len = q - matches[i].replace; | |
8660 | i++; | |
83a0c799 ZW |
8661 | if (*q == ';') |
8662 | q++; | |
961b7009 | 8663 | } |
60103a34 | 8664 | |
71591a1d JW |
8665 | /* Now build a list of the replacement string for switches that we care |
8666 | about. Make sure we allocate at least one entry. This prevents | |
8667 | xmalloc from calling fatal, and prevents us from re-executing this | |
8668 | block of code. */ | |
8669 | mswitches | |
5ed6ace5 | 8670 | = XNEWVEC (struct mswitchstr, n_mdswitches + (n_switches ? n_switches : 1)); |
961b7009 | 8671 | for (i = 0; i < n_switches; i++) |
3371362c | 8672 | if ((switches[i].live_cond & SWITCH_IGNORE) == 0) |
f645e2bd RS |
8673 | { |
8674 | int xlen = strlen (switches[i].part1); | |
8675 | for (j = 0; j < cnt; j++) | |
8676 | if (xlen == matches[j].len | |
8677 | && ! strncmp (switches[i].part1, matches[j].str, xlen)) | |
8678 | { | |
8679 | mswitches[n_mswitches].str = matches[j].replace; | |
8680 | mswitches[n_mswitches].len = matches[j].rep_len; | |
8681 | mswitches[n_mswitches].replace = (char *) 0; | |
8682 | mswitches[n_mswitches].rep_len = 0; | |
8683 | n_mswitches++; | |
8684 | break; | |
8685 | } | |
8686 | } | |
5bbcd587 JJ |
8687 | |
8688 | /* Add MULTILIB_DEFAULTS switches too, as long as they were not present | |
8689 | on the command line nor any options mutually incompatible with | |
8690 | them. */ | |
8691 | for (i = 0; i < n_mdswitches; i++) | |
8692 | { | |
8693 | const char *r; | |
8694 | ||
59b266b1 | 8695 | for (q = multilib_options; *q != '\0'; *q && q++) |
5bbcd587 JJ |
8696 | { |
8697 | while (*q == ' ') | |
8698 | q++; | |
8699 | ||
8700 | r = q; | |
8701 | while (strncmp (q, mdswitches[i].str, mdswitches[i].len) != 0 | |
8702 | || strchr (" /", q[mdswitches[i].len]) == NULL) | |
8703 | { | |
8704 | while (*q != ' ' && *q != '/' && *q != '\0') | |
8705 | q++; | |
8706 | if (*q != '/') | |
8707 | break; | |
8708 | q++; | |
8709 | } | |
8710 | ||
8711 | if (*q != ' ' && *q != '\0') | |
8712 | { | |
8713 | while (*r != ' ' && *r != '\0') | |
8714 | { | |
8715 | q = r; | |
8716 | while (*q != ' ' && *q != '/' && *q != '\0') | |
8717 | q++; | |
8718 | ||
8719 | if (used_arg (r, q - r)) | |
8720 | break; | |
8721 | ||
8722 | if (*q != '/') | |
8723 | { | |
8724 | mswitches[n_mswitches].str = mdswitches[i].str; | |
8725 | mswitches[n_mswitches].len = mdswitches[i].len; | |
8726 | mswitches[n_mswitches].replace = (char *) 0; | |
8727 | mswitches[n_mswitches].rep_len = 0; | |
8728 | n_mswitches++; | |
8729 | break; | |
8730 | } | |
8731 | ||
8732 | r = q + 1; | |
8733 | } | |
8734 | break; | |
8735 | } | |
8736 | } | |
8737 | } | |
961b7009 | 8738 | } |
03c42484 | 8739 | |
961b7009 MM |
8740 | for (i = 0; i < n_mswitches; i++) |
8741 | if (len == mswitches[i].len && ! strncmp (p, mswitches[i].str, len)) | |
8742 | return 1; | |
03c42484 | 8743 | |
961b7009 MM |
8744 | return 0; |
8745 | } | |
03c42484 | 8746 | |
9376dd63 DM |
8747 | void used_arg_t::finalize () |
8748 | { | |
8749 | XDELETEVEC (mswitches); | |
8750 | mswitches = NULL; | |
8751 | n_mswitches = 0; | |
8752 | } | |
8753 | ||
8754 | ||
03c42484 | 8755 | static int |
1d088dee | 8756 | default_arg (const char *p, int len) |
03c42484 | 8757 | { |
5bbcd587 | 8758 | int i; |
e29ef920 | 8759 | |
5bbcd587 JJ |
8760 | for (i = 0; i < n_mdswitches; i++) |
8761 | if (len == mdswitches[i].len && ! strncmp (p, mdswitches[i].str, len)) | |
8762 | return 1; | |
03c42484 RK |
8763 | |
8764 | return 0; | |
8765 | } | |
8766 | ||
0a8d6618 BC |
8767 | /* Work out the subdirectory to use based on the options. The format of |
8768 | multilib_select is a list of elements. Each element is a subdirectory | |
8769 | name followed by a list of options followed by a semicolon. The format | |
8770 | of multilib_exclusions is the same, but without the preceding | |
8771 | directory. First gcc will check the exclusions, if none of the options | |
8772 | beginning with an exclamation point are present, and all of the other | |
8773 | options are present, then we will ignore this completely. Passing | |
8774 | that, gcc will consider each multilib_select in turn using the same | |
8775 | rules for matching the options. If a match is found, that subdirectory | |
e0cdc09f MK |
8776 | will be used. |
8777 | A subdirectory name is optionally followed by a colon and the corresponding | |
8778 | multiarch name. */ | |
60103a34 DE |
8779 | |
8780 | static void | |
1d088dee | 8781 | set_multilib_dir (void) |
60103a34 | 8782 | { |
3b304f5b | 8783 | const char *p; |
3ac63d94 | 8784 | unsigned int this_path_len; |
3b304f5b | 8785 | const char *this_path, *this_arg; |
5bbcd587 | 8786 | const char *start, *end; |
03c42484 | 8787 | int not_arg; |
5bbcd587 JJ |
8788 | int ok, ndfltok, first; |
8789 | ||
8790 | n_mdswitches = 0; | |
8791 | start = multilib_defaults; | |
8792 | while (*start == ' ' || *start == '\t') | |
8793 | start++; | |
8794 | while (*start != '\0') | |
8795 | { | |
8796 | n_mdswitches++; | |
8797 | while (*start != ' ' && *start != '\t' && *start != '\0') | |
8798 | start++; | |
8799 | while (*start == ' ' || *start == '\t') | |
8800 | start++; | |
8801 | } | |
8802 | ||
8803 | if (n_mdswitches) | |
8804 | { | |
8805 | int i = 0; | |
8806 | ||
5ed6ace5 | 8807 | mdswitches = XNEWVEC (struct mdswitchstr, n_mdswitches); |
5bbcd587 JJ |
8808 | for (start = multilib_defaults; *start != '\0'; start = end + 1) |
8809 | { | |
8810 | while (*start == ' ' || *start == '\t') | |
8811 | start++; | |
8812 | ||
8813 | if (*start == '\0') | |
8814 | break; | |
1d088dee | 8815 | |
5bbcd587 JJ |
8816 | for (end = start + 1; |
8817 | *end != ' ' && *end != '\t' && *end != '\0'; end++) | |
8818 | ; | |
8819 | ||
8820 | obstack_grow (&multilib_obstack, start, end - start); | |
8821 | obstack_1grow (&multilib_obstack, 0); | |
7973fd2a | 8822 | mdswitches[i].str = XOBFINISH (&multilib_obstack, const char *); |
5bbcd587 JJ |
8823 | mdswitches[i++].len = end - start; |
8824 | ||
8825 | if (*end == '\0') | |
8826 | break; | |
8827 | } | |
8828 | } | |
60103a34 | 8829 | |
0a8d6618 BC |
8830 | p = multilib_exclusions; |
8831 | while (*p != '\0') | |
8832 | { | |
8833 | /* Ignore newlines. */ | |
8834 | if (*p == '\n') | |
d25a45d4 KH |
8835 | { |
8836 | ++p; | |
8837 | continue; | |
8838 | } | |
0a8d6618 BC |
8839 | |
8840 | /* Check the arguments. */ | |
8841 | ok = 1; | |
8842 | while (*p != ';') | |
d25a45d4 KH |
8843 | { |
8844 | if (*p == '\0') | |
3b5edfee NS |
8845 | { |
8846 | invalid_exclusions: | |
40fecdd6 | 8847 | fatal_error (input_location, "multilib exclusions %qs is invalid", |
2dec80c7 | 8848 | multilib_exclusions); |
3b5edfee | 8849 | } |
d25a45d4 KH |
8850 | |
8851 | if (! ok) | |
8852 | { | |
8853 | ++p; | |
8854 | continue; | |
8855 | } | |
8856 | ||
8857 | this_arg = p; | |
8858 | while (*p != ' ' && *p != ';') | |
8859 | { | |
8860 | if (*p == '\0') | |
3b5edfee | 8861 | goto invalid_exclusions; |
d25a45d4 KH |
8862 | ++p; |
8863 | } | |
8864 | ||
8865 | if (*this_arg != '!') | |
8866 | not_arg = 0; | |
8867 | else | |
8868 | { | |
8869 | not_arg = 1; | |
8870 | ++this_arg; | |
8871 | } | |
9218435e | 8872 | |
0a8d6618 BC |
8873 | ok = used_arg (this_arg, p - this_arg); |
8874 | if (not_arg) | |
8875 | ok = ! ok; | |
8876 | ||
d25a45d4 KH |
8877 | if (*p == ' ') |
8878 | ++p; | |
8879 | } | |
0a8d6618 BC |
8880 | |
8881 | if (ok) | |
3ac63d94 | 8882 | return; |
0a8d6618 BC |
8883 | |
8884 | ++p; | |
8885 | } | |
8886 | ||
5bbcd587 | 8887 | first = 1; |
0a8d6618 | 8888 | p = multilib_select; |
e7f49d92 TG |
8889 | |
8890 | /* Append multilib reuse rules if any. With those rules, we can reuse | |
8891 | one multilib for certain different options sets. */ | |
8892 | if (strlen (multilib_reuse) > 0) | |
8893 | p = concat (p, multilib_reuse, NULL); | |
8894 | ||
60103a34 DE |
8895 | while (*p != '\0') |
8896 | { | |
8897 | /* Ignore newlines. */ | |
8898 | if (*p == '\n') | |
8899 | { | |
8900 | ++p; | |
8901 | continue; | |
8902 | } | |
8903 | ||
8904 | /* Get the initial path. */ | |
8905 | this_path = p; | |
8906 | while (*p != ' ') | |
8907 | { | |
8908 | if (*p == '\0') | |
3b5edfee NS |
8909 | { |
8910 | invalid_select: | |
40fecdd6 | 8911 | fatal_error (input_location, "multilib select %qs %qs is invalid", |
e7f49d92 | 8912 | multilib_select, multilib_reuse); |
3b5edfee | 8913 | } |
60103a34 DE |
8914 | ++p; |
8915 | } | |
8916 | this_path_len = p - this_path; | |
8917 | ||
8918 | /* Check the arguments. */ | |
03c42484 | 8919 | ok = 1; |
5bbcd587 | 8920 | ndfltok = 1; |
60103a34 DE |
8921 | ++p; |
8922 | while (*p != ';') | |
8923 | { | |
8924 | if (*p == '\0') | |
3b5edfee | 8925 | goto invalid_select; |
60103a34 | 8926 | |
03c42484 | 8927 | if (! ok) |
60103a34 DE |
8928 | { |
8929 | ++p; | |
8930 | continue; | |
8931 | } | |
8932 | ||
8933 | this_arg = p; | |
8934 | while (*p != ' ' && *p != ';') | |
8935 | { | |
8936 | if (*p == '\0') | |
3b5edfee | 8937 | goto invalid_select; |
60103a34 DE |
8938 | ++p; |
8939 | } | |
8940 | ||
03c42484 RK |
8941 | if (*this_arg != '!') |
8942 | not_arg = 0; | |
60103a34 | 8943 | else |
03c42484 RK |
8944 | { |
8945 | not_arg = 1; | |
8946 | ++this_arg; | |
8947 | } | |
8948 | ||
8949 | /* If this is a default argument, we can just ignore it. | |
8950 | This is true even if this_arg begins with '!'. Beginning | |
8951 | with '!' does not mean that this argument is necessarily | |
8952 | inappropriate for this library: it merely means that | |
8953 | there is a more specific library which uses this | |
8954 | argument. If this argument is a default, we need not | |
8955 | consider that more specific library. */ | |
5bbcd587 JJ |
8956 | ok = used_arg (this_arg, p - this_arg); |
8957 | if (not_arg) | |
8958 | ok = ! ok; | |
8959 | ||
8960 | if (! ok) | |
8961 | ndfltok = 0; | |
8962 | ||
8963 | if (default_arg (this_arg, p - this_arg)) | |
8964 | ok = 1; | |
60103a34 DE |
8965 | |
8966 | if (*p == ' ') | |
8967 | ++p; | |
8968 | } | |
8969 | ||
5bbcd587 | 8970 | if (ok && first) |
60103a34 DE |
8971 | { |
8972 | if (this_path_len != 1 | |
8973 | || this_path[0] != '.') | |
8974 | { | |
5ed6ace5 | 8975 | char *new_multilib_dir = XNEWVEC (char, this_path_len + 1); |
5bbcd587 JJ |
8976 | char *q; |
8977 | ||
878f32c3 KG |
8978 | strncpy (new_multilib_dir, this_path, this_path_len); |
8979 | new_multilib_dir[this_path_len] = '\0'; | |
5bbcd587 JJ |
8980 | q = strchr (new_multilib_dir, ':'); |
8981 | if (q != NULL) | |
8982 | *q = '\0'; | |
878f32c3 | 8983 | multilib_dir = new_multilib_dir; |
60103a34 | 8984 | } |
5bbcd587 JJ |
8985 | first = 0; |
8986 | } | |
8987 | ||
8988 | if (ndfltok) | |
8989 | { | |
8990 | const char *q = this_path, *end = this_path + this_path_len; | |
8991 | ||
8992 | while (q < end && *q != ':') | |
8993 | q++; | |
c49d2df6 | 8994 | if (q < end) |
5bbcd587 | 8995 | { |
e0cdc09f MK |
8996 | const char *q2 = q + 1, *ml_end = end; |
8997 | char *new_multilib_os_dir; | |
8998 | ||
8999 | while (q2 < end && *q2 != ':') | |
9000 | q2++; | |
9001 | if (*q2 == ':') | |
9002 | ml_end = q2; | |
646d1bed PG |
9003 | if (ml_end - q == 1) |
9004 | multilib_os_dir = xstrdup ("."); | |
9005 | else | |
9006 | { | |
9007 | new_multilib_os_dir = XNEWVEC (char, ml_end - q); | |
9008 | memcpy (new_multilib_os_dir, q + 1, ml_end - q - 1); | |
9009 | new_multilib_os_dir[ml_end - q - 1] = '\0'; | |
9010 | multilib_os_dir = new_multilib_os_dir; | |
9011 | } | |
e0cdc09f MK |
9012 | |
9013 | if (q2 < end && *q2 == ':') | |
9014 | { | |
9015 | char *new_multiarch_dir = XNEWVEC (char, end - q2); | |
9016 | memcpy (new_multiarch_dir, q2 + 1, end - q2 - 1); | |
9017 | new_multiarch_dir[end - q2 - 1] = '\0'; | |
9018 | multiarch_dir = new_multiarch_dir; | |
9019 | } | |
5bbcd587 JJ |
9020 | break; |
9021 | } | |
60103a34 DE |
9022 | } |
9023 | ||
9024 | ++p; | |
9218435e | 9025 | } |
5bbcd587 JJ |
9026 | |
9027 | if (multilib_dir == NULL && multilib_os_dir != NULL | |
3c40bd65 | 9028 | && strcmp (multilib_os_dir, ".") == 0) |
5bbcd587 | 9029 | { |
b1d5455a | 9030 | free (CONST_CAST (char *, multilib_os_dir)); |
5bbcd587 JJ |
9031 | multilib_os_dir = NULL; |
9032 | } | |
9033 | else if (multilib_dir != NULL && multilib_os_dir == NULL) | |
9034 | multilib_os_dir = multilib_dir; | |
60103a34 DE |
9035 | } |
9036 | ||
9037 | /* Print out the multiple library subdirectory selection | |
9038 | information. This prints out a series of lines. Each line looks | |
9039 | like SUBDIRECTORY;@OPTION@OPTION, with as many options as is | |
9040 | required. Only the desired options are printed out, the negative | |
9041 | matches. The options are print without a leading dash. There are | |
9042 | no spaces to make it easy to use the information in the shell. | |
9043 | Each subdirectory is printed only once. This assumes the ordering | |
0a8d6618 BC |
9044 | generated by the genmultilib script. Also, we leave out ones that match |
9045 | the exclusions. */ | |
60103a34 DE |
9046 | |
9047 | static void | |
1d088dee | 9048 | print_multilib_info (void) |
60103a34 | 9049 | { |
3b304f5b ZW |
9050 | const char *p = multilib_select; |
9051 | const char *last_path = 0, *this_path; | |
03c42484 | 9052 | int skip; |
3ac63d94 | 9053 | unsigned int last_path_len = 0; |
60103a34 DE |
9054 | |
9055 | while (*p != '\0') | |
9056 | { | |
0a8d6618 | 9057 | skip = 0; |
60103a34 DE |
9058 | /* Ignore newlines. */ |
9059 | if (*p == '\n') | |
9060 | { | |
9061 | ++p; | |
9062 | continue; | |
9063 | } | |
9064 | ||
9065 | /* Get the initial path. */ | |
9066 | this_path = p; | |
9067 | while (*p != ' ') | |
9068 | { | |
9069 | if (*p == '\0') | |
3b5edfee NS |
9070 | { |
9071 | invalid_select: | |
40fecdd6 JM |
9072 | fatal_error (input_location, |
9073 | "multilib select %qs is invalid", multilib_select); | |
3b5edfee | 9074 | } |
7904f95f | 9075 | |
60103a34 DE |
9076 | ++p; |
9077 | } | |
9078 | ||
c49d2df6 | 9079 | /* When --disable-multilib was used but target defines |
e0cdc09f MK |
9080 | MULTILIB_OSDIRNAMES, entries starting with .: (and not starting |
9081 | with .:: for multiarch configurations) are there just to find | |
9082 | multilib_os_dir, so skip them from output. */ | |
9083 | if (this_path[0] == '.' && this_path[1] == ':' && this_path[2] != ':') | |
c49d2df6 JJ |
9084 | skip = 1; |
9085 | ||
0a8d6618 BC |
9086 | /* Check for matches with the multilib_exclusions. We don't bother |
9087 | with the '!' in either list. If any of the exclusion rules match | |
9088 | all of its options with the select rule, we skip it. */ | |
d25a45d4 KH |
9089 | { |
9090 | const char *e = multilib_exclusions; | |
9091 | const char *this_arg; | |
0a8d6618 | 9092 | |
d25a45d4 KH |
9093 | while (*e != '\0') |
9094 | { | |
9095 | int m = 1; | |
9096 | /* Ignore newlines. */ | |
9097 | if (*e == '\n') | |
9098 | { | |
9099 | ++e; | |
9100 | continue; | |
9101 | } | |
0a8d6618 | 9102 | |
d25a45d4 KH |
9103 | /* Check the arguments. */ |
9104 | while (*e != ';') | |
9105 | { | |
9106 | const char *q; | |
9107 | int mp = 0; | |
0a8d6618 | 9108 | |
d25a45d4 | 9109 | if (*e == '\0') |
3b5edfee NS |
9110 | { |
9111 | invalid_exclusion: | |
40fecdd6 JM |
9112 | fatal_error (input_location, |
9113 | "multilib exclusion %qs is invalid", | |
2dec80c7 | 9114 | multilib_exclusions); |
3b5edfee | 9115 | } |
9218435e | 9116 | |
d25a45d4 KH |
9117 | if (! m) |
9118 | { | |
9119 | ++e; | |
9120 | continue; | |
9121 | } | |
0a8d6618 | 9122 | |
d25a45d4 | 9123 | this_arg = e; |
9218435e | 9124 | |
d25a45d4 KH |
9125 | while (*e != ' ' && *e != ';') |
9126 | { | |
9127 | if (*e == '\0') | |
3b5edfee | 9128 | goto invalid_exclusion; |
d25a45d4 KH |
9129 | ++e; |
9130 | } | |
0a8d6618 | 9131 | |
d25a45d4 KH |
9132 | q = p + 1; |
9133 | while (*q != ';') | |
9134 | { | |
9135 | const char *arg; | |
9136 | int len = e - this_arg; | |
0a8d6618 | 9137 | |
d25a45d4 | 9138 | if (*q == '\0') |
3b5edfee | 9139 | goto invalid_select; |
0a8d6618 | 9140 | |
d25a45d4 KH |
9141 | arg = q; |
9142 | ||
9143 | while (*q != ' ' && *q != ';') | |
9144 | { | |
9145 | if (*q == '\0') | |
3b5edfee | 9146 | goto invalid_select; |
0a8d6618 | 9147 | ++q; |
d25a45d4 | 9148 | } |
0a8d6618 | 9149 | |
3b5edfee NS |
9150 | if (! strncmp (arg, this_arg, |
9151 | (len < q - arg) ? q - arg : len) | |
9152 | || default_arg (this_arg, e - this_arg)) | |
d25a45d4 KH |
9153 | { |
9154 | mp = 1; | |
9155 | break; | |
9156 | } | |
0a8d6618 | 9157 | |
d25a45d4 KH |
9158 | if (*q == ' ') |
9159 | ++q; | |
9160 | } | |
9218435e | 9161 | |
d25a45d4 KH |
9162 | if (! mp) |
9163 | m = 0; | |
0a8d6618 | 9164 | |
d25a45d4 KH |
9165 | if (*e == ' ') |
9166 | ++e; | |
9167 | } | |
9168 | ||
9169 | if (m) | |
9170 | { | |
9171 | skip = 1; | |
9172 | break; | |
9173 | } | |
9174 | ||
9175 | if (*e != '\0') | |
9176 | ++e; | |
9177 | } | |
9178 | } | |
0a8d6618 BC |
9179 | |
9180 | if (! skip) | |
d25a45d4 KH |
9181 | { |
9182 | /* If this is a duplicate, skip it. */ | |
3b5edfee NS |
9183 | skip = (last_path != 0 |
9184 | && (unsigned int) (p - this_path) == last_path_len | |
ba78087b | 9185 | && ! filename_ncmp (last_path, this_path, last_path_len)); |
60103a34 | 9186 | |
d25a45d4 KH |
9187 | last_path = this_path; |
9188 | last_path_len = p - this_path; | |
0a8d6618 | 9189 | } |
60103a34 | 9190 | |
03c42484 RK |
9191 | /* If this directory requires any default arguments, we can skip |
9192 | it. We will already have printed a directory identical to | |
9193 | this one which does not require that default argument. */ | |
9194 | if (! skip) | |
9195 | { | |
3b304f5b | 9196 | const char *q; |
03c42484 RK |
9197 | |
9198 | q = p + 1; | |
9199 | while (*q != ';') | |
9200 | { | |
3b304f5b | 9201 | const char *arg; |
03c42484 RK |
9202 | |
9203 | if (*q == '\0') | |
3b5edfee | 9204 | goto invalid_select; |
03c42484 RK |
9205 | |
9206 | if (*q == '!') | |
9207 | arg = NULL; | |
9208 | else | |
9209 | arg = q; | |
9210 | ||
9211 | while (*q != ' ' && *q != ';') | |
9212 | { | |
9213 | if (*q == '\0') | |
3b5edfee | 9214 | goto invalid_select; |
03c42484 RK |
9215 | ++q; |
9216 | } | |
9217 | ||
9218 | if (arg != NULL | |
9219 | && default_arg (arg, q - arg)) | |
9220 | { | |
9221 | skip = 1; | |
9222 | break; | |
9223 | } | |
9224 | ||
9225 | if (*q == ' ') | |
9226 | ++q; | |
9227 | } | |
9228 | } | |
9229 | ||
60103a34 DE |
9230 | if (! skip) |
9231 | { | |
3b304f5b | 9232 | const char *p1; |
60103a34 | 9233 | |
5bbcd587 | 9234 | for (p1 = last_path; p1 < p && *p1 != ':'; p1++) |
60103a34 DE |
9235 | putchar (*p1); |
9236 | putchar (';'); | |
9237 | } | |
9238 | ||
9239 | ++p; | |
9240 | while (*p != ';') | |
9241 | { | |
9242 | int use_arg; | |
9243 | ||
9244 | if (*p == '\0') | |
3b5edfee | 9245 | goto invalid_select; |
60103a34 DE |
9246 | |
9247 | if (skip) | |
9248 | { | |
9249 | ++p; | |
9250 | continue; | |
9251 | } | |
9252 | ||
9253 | use_arg = *p != '!'; | |
9254 | ||
9255 | if (use_arg) | |
9256 | putchar ('@'); | |
9257 | ||
9258 | while (*p != ' ' && *p != ';') | |
9259 | { | |
9260 | if (*p == '\0') | |
3b5edfee | 9261 | goto invalid_select; |
60103a34 DE |
9262 | if (use_arg) |
9263 | putchar (*p); | |
9264 | ++p; | |
9265 | } | |
9266 | ||
9267 | if (*p == ' ') | |
9268 | ++p; | |
9269 | } | |
9270 | ||
9271 | if (! skip) | |
961b7009 | 9272 | { |
3ac63d94 | 9273 | /* If there are extra options, print them now. */ |
961b7009 MM |
9274 | if (multilib_extra && *multilib_extra) |
9275 | { | |
9276 | int print_at = TRUE; | |
3b304f5b | 9277 | const char *q; |
961b7009 MM |
9278 | |
9279 | for (q = multilib_extra; *q != '\0'; q++) | |
9280 | { | |
9281 | if (*q == ' ') | |
9282 | print_at = TRUE; | |
9283 | else | |
9284 | { | |
9285 | if (print_at) | |
9286 | putchar ('@'); | |
9287 | putchar (*q); | |
9288 | print_at = FALSE; | |
9289 | } | |
9290 | } | |
9291 | } | |
9218435e | 9292 | |
961b7009 MM |
9293 | putchar ('\n'); |
9294 | } | |
60103a34 DE |
9295 | |
9296 | ++p; | |
9297 | } | |
9298 | } | |
f3226a90 | 9299 | \f |
30d8946b MM |
9300 | /* getenv built-in spec function. |
9301 | ||
ba85c5fd OH |
9302 | Returns the value of the environment variable given by its first argument, |
9303 | concatenated with the second argument. If the variable is not defined, a | |
9304 | fatal error is issued unless such undefs are internally allowed, in which | |
9305 | case the variable name is used as the variable value. */ | |
30d8946b MM |
9306 | |
9307 | static const char * | |
9308 | getenv_spec_function (int argc, const char **argv) | |
9309 | { | |
9376dd63 | 9310 | const char *value; |
ba85c5fd OH |
9311 | const char *varname; |
9312 | ||
5557813a NS |
9313 | char *result; |
9314 | char *ptr; | |
9315 | size_t len; | |
30d8946b MM |
9316 | |
9317 | if (argc != 2) | |
9318 | return NULL; | |
9319 | ||
ba85c5fd OH |
9320 | varname = argv[0]; |
9321 | value = env.get (varname); | |
9322 | ||
9323 | if (!value && spec_undefvar_allowed) | |
9324 | value = varname; | |
9325 | ||
30d8946b | 9326 | if (!value) |
40fecdd6 | 9327 | fatal_error (input_location, |
ba85c5fd | 9328 | "environment variable %qs not defined", varname); |
30d8946b | 9329 | |
5557813a | 9330 | /* We have to escape every character of the environment variable so |
fa10beec RW |
9331 | they are not interpreted as active spec characters. A |
9332 | particularly painful case is when we are reading a variable | |
5557813a NS |
9333 | holding a windows path complete with \ separators. */ |
9334 | len = strlen (value) * 2 + strlen (argv[1]) + 1; | |
e1e4cdc4 | 9335 | result = XNEWVAR (char, len); |
5557813a NS |
9336 | for (ptr = result; *value; ptr += 2) |
9337 | { | |
9338 | ptr[0] = '\\'; | |
9339 | ptr[1] = *value++; | |
9340 | } | |
b8698a0f | 9341 | |
5557813a | 9342 | strcpy (ptr, argv[1]); |
b8698a0f | 9343 | |
5557813a | 9344 | return result; |
30d8946b MM |
9345 | } |
9346 | ||
f3226a90 JT |
9347 | /* if-exists built-in spec function. |
9348 | ||
9349 | Checks to see if the file specified by the absolute pathname in | |
9350 | ARGS exists. Returns that pathname if found. | |
9351 | ||
9352 | The usual use for this function is to check for a library file | |
9353 | (whose name has been expanded with %s). */ | |
9354 | ||
9355 | static const char * | |
1d088dee | 9356 | if_exists_spec_function (int argc, const char **argv) |
f3226a90 JT |
9357 | { |
9358 | /* Must have only one argument. */ | |
3dce1408 | 9359 | if (argc == 1 && IS_ABSOLUTE_PATH (argv[0]) && ! access (argv[0], R_OK)) |
f3226a90 JT |
9360 | return argv[0]; |
9361 | ||
9362 | return NULL; | |
9363 | } | |
152a5a9c JT |
9364 | |
9365 | /* if-exists-else built-in spec function. | |
9366 | ||
9367 | This is like if-exists, but takes an additional argument which | |
9368 | is returned if the first argument does not exist. */ | |
9369 | ||
9370 | static const char * | |
1d088dee | 9371 | if_exists_else_spec_function (int argc, const char **argv) |
152a5a9c JT |
9372 | { |
9373 | /* Must have exactly two arguments. */ | |
9374 | if (argc != 2) | |
9375 | return NULL; | |
9376 | ||
3dce1408 | 9377 | if (IS_ABSOLUTE_PATH (argv[0]) && ! access (argv[0], R_OK)) |
152a5a9c JT |
9378 | return argv[0]; |
9379 | ||
9380 | return argv[1]; | |
9381 | } | |
3dd53121 | 9382 | |
de5a5fa1 MP |
9383 | /* sanitize built-in spec function. |
9384 | ||
9385 | This returns non-NULL, if sanitizing address, thread or | |
9386 | any of the undefined behavior sanitizers. */ | |
9387 | ||
9388 | static const char * | |
9389 | sanitize_spec_function (int argc, const char **argv) | |
9390 | { | |
9391 | if (argc != 1) | |
9392 | return NULL; | |
9393 | ||
9394 | if (strcmp (argv[0], "address") == 0) | |
fec4842d YG |
9395 | return (flag_sanitize & SANITIZE_USER_ADDRESS) ? "" : NULL; |
9396 | if (strcmp (argv[0], "kernel-address") == 0) | |
9397 | return (flag_sanitize & SANITIZE_KERNEL_ADDRESS) ? "" : NULL; | |
de5a5fa1 MP |
9398 | if (strcmp (argv[0], "thread") == 0) |
9399 | return (flag_sanitize & SANITIZE_THREAD) ? "" : NULL; | |
9400 | if (strcmp (argv[0], "undefined") == 0) | |
45b2222a ML |
9401 | return ((flag_sanitize |
9402 | & (SANITIZE_UNDEFINED | SANITIZE_UNDEFINED_NONDEFAULT)) | |
1c33c9b7 | 9403 | && !flag_sanitize_undefined_trap_on_error) ? "" : NULL; |
9065ada9 JJ |
9404 | if (strcmp (argv[0], "leak") == 0) |
9405 | return ((flag_sanitize | |
9406 | & (SANITIZE_ADDRESS | SANITIZE_LEAK | SANITIZE_THREAD)) | |
9407 | == SANITIZE_LEAK) ? "" : NULL; | |
de5a5fa1 MP |
9408 | return NULL; |
9409 | } | |
9410 | ||
3dd53121 | 9411 | /* replace-outfile built-in spec function. |
ed5b9f96 GK |
9412 | |
9413 | This looks for the first argument in the outfiles array's name and | |
9414 | replaces it with the second argument. */ | |
3dd53121 AP |
9415 | |
9416 | static const char * | |
9417 | replace_outfile_spec_function (int argc, const char **argv) | |
9418 | { | |
9419 | int i; | |
9420 | /* Must have exactly two arguments. */ | |
9421 | if (argc != 2) | |
9422 | abort (); | |
7904f95f | 9423 | |
3dd53121 AP |
9424 | for (i = 0; i < n_infiles; i++) |
9425 | { | |
ba78087b | 9426 | if (outfiles[i] && !filename_cmp (outfiles[i], argv[0])) |
3dd53121 AP |
9427 | outfiles[i] = xstrdup (argv[1]); |
9428 | } | |
9429 | return NULL; | |
9430 | } | |
9431 | ||
2642f659 JH |
9432 | /* remove-outfile built-in spec function. |
9433 | * | |
9434 | * This looks for the first argument in the outfiles array's name and | |
9435 | * removes it. */ | |
9436 | ||
9437 | static const char * | |
9438 | remove_outfile_spec_function (int argc, const char **argv) | |
9439 | { | |
9440 | int i; | |
9441 | /* Must have exactly one argument. */ | |
9442 | if (argc != 1) | |
9443 | abort (); | |
9444 | ||
9445 | for (i = 0; i < n_infiles; i++) | |
9446 | { | |
ba78087b | 9447 | if (outfiles[i] && !filename_cmp (outfiles[i], argv[0])) |
2642f659 JH |
9448 | outfiles[i] = NULL; |
9449 | } | |
9450 | return NULL; | |
9451 | } | |
9452 | ||
7904f95f | 9453 | /* Given two version numbers, compares the two numbers. |
ed5b9f96 GK |
9454 | A version number must match the regular expression |
9455 | ([1-9][0-9]*|0)(\.([1-9][0-9]*|0))* | |
9456 | */ | |
9457 | static int | |
9458 | compare_version_strings (const char *v1, const char *v2) | |
9459 | { | |
9460 | int rresult; | |
9461 | regex_t r; | |
7904f95f | 9462 | |
ed5b9f96 GK |
9463 | if (regcomp (&r, "^([1-9][0-9]*|0)(\\.([1-9][0-9]*|0))*$", |
9464 | REG_EXTENDED | REG_NOSUB) != 0) | |
9465 | abort (); | |
9466 | rresult = regexec (&r, v1, 0, NULL, 0); | |
9467 | if (rresult == REG_NOMATCH) | |
40fecdd6 | 9468 | fatal_error (input_location, "invalid version number %qs", v1); |
ed5b9f96 GK |
9469 | else if (rresult != 0) |
9470 | abort (); | |
9471 | rresult = regexec (&r, v2, 0, NULL, 0); | |
9472 | if (rresult == REG_NOMATCH) | |
40fecdd6 | 9473 | fatal_error (input_location, "invalid version number %qs", v2); |
ed5b9f96 GK |
9474 | else if (rresult != 0) |
9475 | abort (); | |
9476 | ||
9477 | return strverscmp (v1, v2); | |
9478 | } | |
9479 | ||
9480 | ||
9481 | /* version_compare built-in spec function. | |
9482 | ||
9483 | This takes an argument of the following form: | |
9484 | ||
9485 | <comparison-op> <arg1> [<arg2>] <switch> <result> | |
9486 | ||
9487 | and produces "result" if the comparison evaluates to true, | |
9488 | and nothing if it doesn't. | |
9489 | ||
9490 | The supported <comparison-op> values are: | |
7904f95f | 9491 | |
ed5b9f96 GK |
9492 | >= true if switch is a later (or same) version than arg1 |
9493 | !> opposite of >= | |
9494 | < true if switch is an earlier version than arg1 | |
9495 | !< opposite of < | |
9496 | >< true if switch is arg1 or later, and earlier than arg2 | |
9497 | <> true if switch is earlier than arg1 or is arg2 or later | |
9498 | ||
9499 | If the switch is not present, the condition is false unless | |
9500 | the first character of the <comparison-op> is '!'. | |
9501 | ||
9502 | For example, | |
9503 | %:version-compare(>= 10.3 mmacosx-version-min= -lmx) | |
9504 | adds -lmx if -mmacosx-version-min=10.3.9 was passed. */ | |
9505 | ||
9506 | static const char * | |
9507 | version_compare_spec_function (int argc, const char **argv) | |
9508 | { | |
9509 | int comp1, comp2; | |
9510 | size_t switch_len; | |
9511 | const char *switch_value = NULL; | |
9512 | int nargs = 1, i; | |
9513 | bool result; | |
9514 | ||
9515 | if (argc < 3) | |
40fecdd6 | 9516 | fatal_error (input_location, "too few arguments to %%:version-compare"); |
ed5b9f96 GK |
9517 | if (argv[0][0] == '\0') |
9518 | abort (); | |
9519 | if ((argv[0][1] == '<' || argv[0][1] == '>') && argv[0][0] != '!') | |
9520 | nargs = 2; | |
9521 | if (argc != nargs + 3) | |
40fecdd6 | 9522 | fatal_error (input_location, "too many arguments to %%:version-compare"); |
ed5b9f96 GK |
9523 | |
9524 | switch_len = strlen (argv[nargs + 1]); | |
9525 | for (i = 0; i < n_switches; i++) | |
9526 | if (!strncmp (switches[i].part1, argv[nargs + 1], switch_len) | |
9527 | && check_live_switch (i, switch_len)) | |
9528 | switch_value = switches[i].part1 + switch_len; | |
9529 | ||
9530 | if (switch_value == NULL) | |
9531 | comp1 = comp2 = -1; | |
9532 | else | |
9533 | { | |
9534 | comp1 = compare_version_strings (switch_value, argv[1]); | |
9535 | if (nargs == 2) | |
9536 | comp2 = compare_version_strings (switch_value, argv[2]); | |
9537 | else | |
9538 | comp2 = -1; /* This value unused. */ | |
9539 | } | |
9540 | ||
9541 | switch (argv[0][0] << 8 | argv[0][1]) | |
9542 | { | |
9543 | case '>' << 8 | '=': | |
9544 | result = comp1 >= 0; | |
9545 | break; | |
9546 | case '!' << 8 | '<': | |
9547 | result = comp1 >= 0 || switch_value == NULL; | |
9548 | break; | |
9549 | case '<' << 8: | |
9550 | result = comp1 < 0; | |
9551 | break; | |
9552 | case '!' << 8 | '>': | |
9553 | result = comp1 < 0 || switch_value == NULL; | |
9554 | break; | |
9555 | case '>' << 8 | '<': | |
9556 | result = comp1 >= 0 && comp2 < 0; | |
9557 | break; | |
9558 | case '<' << 8 | '>': | |
9559 | result = comp1 < 0 || comp2 >= 0; | |
9560 | break; | |
7904f95f | 9561 | |
ed5b9f96 | 9562 | default: |
40fecdd6 JM |
9563 | fatal_error (input_location, |
9564 | "unknown operator %qs in %%:version-compare", argv[0]); | |
ed5b9f96 GK |
9565 | } |
9566 | if (! result) | |
9567 | return NULL; | |
9568 | ||
9569 | return argv[nargs + 2]; | |
9570 | } | |
953ff289 DN |
9571 | |
9572 | /* %:include builtin spec function. This differs from %include in that it | |
9573 | can be nested inside a spec, and thus be conditionalized. It takes | |
9574 | one argument, the filename, and looks for it in the startfile path. | |
9575 | The result is always NULL, i.e. an empty expansion. */ | |
9576 | ||
9577 | static const char * | |
9578 | include_spec_function (int argc, const char **argv) | |
9579 | { | |
9580 | char *file; | |
9581 | ||
9582 | if (argc != 1) | |
9583 | abort (); | |
9584 | ||
4d2b059d | 9585 | file = find_a_file (&startfile_prefixes, argv[0], R_OK, true); |
d168aaee | 9586 | read_specs (file ? file : argv[0], false, false); |
953ff289 DN |
9587 | |
9588 | return NULL; | |
9589 | } | |
a0f87454 | 9590 | |
c1ce46a5 | 9591 | /* %:find-file spec function. This function replaces its argument by |
073a8998 | 9592 | the file found through find_file, that is the -print-file-name gcc |
4adbd5dd MK |
9593 | program option. */ |
9594 | static const char * | |
c1ce46a5 | 9595 | find_file_spec_function (int argc, const char **argv) |
4adbd5dd MK |
9596 | { |
9597 | const char *file; | |
9598 | ||
9599 | if (argc != 1) | |
9600 | abort (); | |
9601 | ||
9602 | file = find_file (argv[0]); | |
9603 | return file; | |
9604 | } | |
9605 | ||
9606 | ||
c1ce46a5 | 9607 | /* %:find-plugindir spec function. This function replaces its argument |
073a8998 | 9608 | by the -iplugindir=<dir> option. `dir' is found through find_file, that |
c1ce46a5 MK |
9609 | is the -print-file-name gcc program option. */ |
9610 | static const char * | |
9611 | find_plugindir_spec_function (int argc, const char **argv ATTRIBUTE_UNUSED) | |
9612 | { | |
9613 | const char *option; | |
9614 | ||
9615 | if (argc != 0) | |
9616 | abort (); | |
9617 | ||
9618 | option = concat ("-iplugindir=", find_file ("plugin"), NULL); | |
9619 | return option; | |
9620 | } | |
9621 | ||
9622 | ||
a0f87454 RS |
9623 | /* %:print-asm-header spec function. Print a banner to say that the |
9624 | following output is from the assembler. */ | |
9625 | ||
9626 | static const char * | |
9627 | print_asm_header_spec_function (int arg ATTRIBUTE_UNUSED, | |
9628 | const char **argv ATTRIBUTE_UNUSED) | |
9629 | { | |
4dad0aca | 9630 | printf (_("Assembler options\n=================\n\n")); |
a0f87454 RS |
9631 | printf (_("Use \"-Wa,OPTION\" to pass \"OPTION\" to the assembler.\n\n")); |
9632 | fflush (stdout); | |
9633 | return NULL; | |
9634 | } | |
2153915d | 9635 | |
44a22bdb | 9636 | /* Get a random number for -frandom-seed */ |
b5b8b0ac | 9637 | |
44a22bdb AK |
9638 | static unsigned HOST_WIDE_INT |
9639 | get_random_number (void) | |
b5b8b0ac | 9640 | { |
44a22bdb AK |
9641 | unsigned HOST_WIDE_INT ret = 0; |
9642 | int fd; | |
9643 | ||
9644 | fd = open ("/dev/urandom", O_RDONLY); | |
9645 | if (fd >= 0) | |
9646 | { | |
9647 | read (fd, &ret, sizeof (HOST_WIDE_INT)); | |
9648 | close (fd); | |
9649 | if (ret) | |
9650 | return ret; | |
9651 | } | |
b5b8b0ac AO |
9652 | |
9653 | /* Get some more or less random data. */ | |
9654 | #ifdef HAVE_GETTIMEOFDAY | |
9655 | { | |
9656 | struct timeval tv; | |
9657 | ||
9658 | gettimeofday (&tv, NULL); | |
9659 | ret = tv.tv_sec * 1000 + tv.tv_usec / 1000; | |
9660 | } | |
9661 | #else | |
9662 | { | |
9663 | time_t now = time (NULL); | |
9664 | ||
9665 | if (now != (time_t)-1) | |
9666 | ret = (unsigned) now; | |
9667 | } | |
9668 | #endif | |
9669 | ||
c3284718 | 9670 | return ret ^ getpid (); |
b5b8b0ac AO |
9671 | } |
9672 | ||
2153915d AO |
9673 | /* %:compare-debug-dump-opt spec function. Save the last argument, |
9674 | expected to be the last -fdump-final-insns option, or generate a | |
9675 | temporary. */ | |
9676 | ||
9677 | static const char * | |
9678 | compare_debug_dump_opt_spec_function (int arg, | |
9679 | const char **argv ATTRIBUTE_UNUSED) | |
9680 | { | |
fc429b48 | 9681 | char *ret; |
2153915d AO |
9682 | char *name; |
9683 | int which; | |
b5b8b0ac | 9684 | static char random_seed[HOST_BITS_PER_WIDE_INT / 4 + 3]; |
2153915d AO |
9685 | |
9686 | if (arg != 0) | |
40fecdd6 JM |
9687 | fatal_error (input_location, |
9688 | "too many arguments to %%:compare-debug-dump-opt"); | |
2153915d | 9689 | |
2153915d AO |
9690 | do_spec_2 ("%{fdump-final-insns=*:%*}"); |
9691 | do_spec_1 (" ", 0, NULL); | |
9692 | ||
9771b263 DN |
9693 | if (argbuf.length () > 0 |
9694 | && strcmp (argv[argbuf.length () - 1], ".")) | |
2153915d | 9695 | { |
b5b8b0ac AO |
9696 | if (!compare_debug) |
9697 | return NULL; | |
9698 | ||
9771b263 | 9699 | name = xstrdup (argv[argbuf.length () - 1]); |
2153915d AO |
9700 | ret = NULL; |
9701 | } | |
9702 | else | |
9703 | { | |
b5b8b0ac AO |
9704 | const char *ext = NULL; |
9705 | ||
9771b263 | 9706 | if (argbuf.length () > 0) |
b5b8b0ac AO |
9707 | { |
9708 | do_spec_2 ("%{o*:%*}%{!o:%{!S:%b%O}%{S:%b.s}}"); | |
9709 | ext = ".gkd"; | |
9710 | } | |
9711 | else if (!compare_debug) | |
9712 | return NULL; | |
9713 | else | |
9714 | do_spec_2 ("%g.gkd"); | |
2153915d | 9715 | |
2153915d | 9716 | do_spec_1 (" ", 0, NULL); |
2153915d | 9717 | |
9771b263 | 9718 | gcc_assert (argbuf.length () > 0); |
2153915d | 9719 | |
9771b263 | 9720 | name = concat (argbuf.last (), ext, NULL); |
b5b8b0ac AO |
9721 | |
9722 | ret = concat ("-fdump-final-insns=", name, NULL); | |
2153915d AO |
9723 | } |
9724 | ||
9725 | which = compare_debug < 0; | |
9726 | debug_check_temp_file[which] = name; | |
9727 | ||
b5b8b0ac AO |
9728 | if (!which) |
9729 | { | |
44a22bdb | 9730 | unsigned HOST_WIDE_INT value = get_random_number (); |
b5b8b0ac AO |
9731 | |
9732 | sprintf (random_seed, HOST_WIDE_INT_PRINT_HEX, value); | |
9733 | } | |
9734 | ||
9735 | if (*random_seed) | |
fc429b48 TB |
9736 | { |
9737 | char *tmp = ret; | |
9738 | ret = concat ("%{!frandom-seed=*:-frandom-seed=", random_seed, "} ", | |
9739 | ret, NULL); | |
9740 | free (tmp); | |
9741 | } | |
b5b8b0ac AO |
9742 | |
9743 | if (which) | |
9744 | *random_seed = 0; | |
2153915d AO |
9745 | |
9746 | return ret; | |
9747 | } | |
9748 | ||
9749 | static const char *debug_auxbase_opt; | |
9750 | ||
9751 | /* %:compare-debug-self-opt spec function. Expands to the options | |
9752 | that are to be passed in the second compilation of | |
9753 | compare-debug. */ | |
9754 | ||
9755 | static const char * | |
9756 | compare_debug_self_opt_spec_function (int arg, | |
9757 | const char **argv ATTRIBUTE_UNUSED) | |
9758 | { | |
9759 | if (arg != 0) | |
40fecdd6 JM |
9760 | fatal_error (input_location, |
9761 | "too many arguments to %%:compare-debug-self-opt"); | |
2153915d AO |
9762 | |
9763 | if (compare_debug >= 0) | |
9764 | return NULL; | |
9765 | ||
9766 | do_spec_2 ("%{c|S:%{o*:%*}}"); | |
9767 | do_spec_1 (" ", 0, NULL); | |
9768 | ||
9771b263 | 9769 | if (argbuf.length () > 0) |
2153915d | 9770 | debug_auxbase_opt = concat ("-auxbase-strip ", |
9771b263 | 9771 | argbuf.last (), |
2153915d AO |
9772 | NULL); |
9773 | else | |
9774 | debug_auxbase_opt = NULL; | |
9775 | ||
9776 | return concat ("\ | |
9777 | %<o %<MD %<MMD %<MF* %<MG %<MP %<MQ* %<MT* \ | |
9778 | %<fdump-final-insns=* -w -S -o %j \ | |
9779 | %{!fcompare-debug-second:-fcompare-debug-second} \ | |
9780 | ", compare_debug_opt, NULL); | |
9781 | } | |
9782 | ||
9783 | /* %:compare-debug-auxbase-opt spec function. Expands to the auxbase | |
9784 | options that are to be passed in the second compilation of | |
9785 | compare-debug. It expects, as an argument, the basename of the | |
9786 | current input file name, with the .gk suffix appended to it. */ | |
9787 | ||
9788 | static const char * | |
9789 | compare_debug_auxbase_opt_spec_function (int arg, | |
9790 | const char **argv) | |
9791 | { | |
9792 | char *name; | |
9793 | int len; | |
9794 | ||
9795 | if (arg == 0) | |
40fecdd6 JM |
9796 | fatal_error (input_location, |
9797 | "too few arguments to %%:compare-debug-auxbase-opt"); | |
2153915d AO |
9798 | |
9799 | if (arg != 1) | |
40fecdd6 JM |
9800 | fatal_error (input_location, |
9801 | "too many arguments to %%:compare-debug-auxbase-opt"); | |
2153915d AO |
9802 | |
9803 | if (compare_debug >= 0) | |
9804 | return NULL; | |
9805 | ||
9806 | len = strlen (argv[0]); | |
9807 | if (len < 3 || strcmp (argv[0] + len - 3, ".gk") != 0) | |
40fecdd6 | 9808 | fatal_error (input_location, "argument to %%:compare-debug-auxbase-opt " |
2dec80c7 | 9809 | "does not end in .gk"); |
2153915d AO |
9810 | |
9811 | if (debug_auxbase_opt) | |
9812 | return debug_auxbase_opt; | |
9813 | ||
9814 | #define OPT "-auxbase " | |
9815 | ||
9816 | len -= 3; | |
9817 | name = (char*) xmalloc (sizeof (OPT) + len); | |
9818 | memcpy (name, OPT, sizeof (OPT) - 1); | |
9819 | memcpy (name + sizeof (OPT) - 1, argv[0], len); | |
9820 | name[sizeof (OPT) - 1 + len] = '\0'; | |
9821 | ||
b5b8b0ac AO |
9822 | #undef OPT |
9823 | ||
2153915d AO |
9824 | return name; |
9825 | } | |
9a37bc07 DK |
9826 | |
9827 | /* %:pass-through-libs spec function. Finds all -l options and input | |
9828 | file names in the lib spec passed to it, and makes a list of them | |
9829 | prepended with the plugin option to cause them to be passed through | |
9830 | to the final link after all the new object files have been added. */ | |
9831 | ||
9832 | const char * | |
9833 | pass_through_libs_spec_func (int argc, const char **argv) | |
9834 | { | |
9835 | char *prepended = xstrdup (" "); | |
9836 | int n; | |
9837 | /* Shlemiel the painter's algorithm. Innately horrible, but at least | |
9838 | we know that there will never be more than a handful of strings to | |
9839 | concat, and it's only once per run, so it's not worth optimising. */ | |
9840 | for (n = 0; n < argc; n++) | |
9841 | { | |
9842 | char *old = prepended; | |
9843 | /* Anything that isn't an option is a full path to an output | |
9844 | file; pass it through if it ends in '.a'. Among options, | |
9845 | pass only -l. */ | |
9846 | if (argv[n][0] == '-' && argv[n][1] == 'l') | |
9847 | { | |
9848 | const char *lopt = argv[n] + 2; | |
9849 | /* Handle both joined and non-joined -l options. If for any | |
9850 | reason there's a trailing -l with no joined or following | |
9851 | arg just discard it. */ | |
9852 | if (!*lopt && ++n >= argc) | |
9853 | break; | |
9854 | else if (!*lopt) | |
9855 | lopt = argv[n]; | |
9856 | prepended = concat (prepended, "-plugin-opt=-pass-through=-l", | |
9857 | lopt, " ", NULL); | |
9858 | } | |
9859 | else if (!strcmp (".a", argv[n] + strlen (argv[n]) - 2)) | |
9860 | { | |
9861 | prepended = concat (prepended, "-plugin-opt=-pass-through=", | |
9862 | argv[n], " ", NULL); | |
9863 | } | |
9864 | if (prepended != old) | |
9865 | free (old); | |
9866 | } | |
9867 | return prepended; | |
9868 | } | |
99ea153e SA |
9869 | |
9870 | /* %:replace-extension spec function. Replaces the extension of the | |
9871 | first argument with the second argument. */ | |
9872 | ||
9873 | const char * | |
9874 | replace_extension_spec_func (int argc, const char **argv) | |
9875 | { | |
9876 | char *name; | |
9877 | char *p; | |
9878 | char *result; | |
9879 | int i; | |
9880 | ||
9881 | if (argc != 2) | |
40fecdd6 | 9882 | fatal_error (input_location, "too few arguments to %%:replace-extension"); |
99ea153e SA |
9883 | |
9884 | name = xstrdup (argv[0]); | |
9885 | ||
c3284718 | 9886 | for (i = strlen (name) - 1; i >= 0; i--) |
99ea153e SA |
9887 | if (IS_DIR_SEPARATOR (name[i])) |
9888 | break; | |
9889 | ||
9890 | p = strrchr (name + i + 1, '.'); | |
9891 | if (p != NULL) | |
9892 | *p = '\0'; | |
9893 | ||
9894 | result = concat (name, argv[1], NULL); | |
9895 | ||
9896 | free (name); | |
9897 | return result; | |
9898 | } | |
3c27ce4c | 9899 | |
f3609a89 | 9900 | /* Returns "" if ARGV[ARGC - 2] is greater than ARGV[ARGC-1]. |
cf7416c3 TV |
9901 | Otherwise, return NULL. */ |
9902 | ||
9903 | static const char * | |
9904 | greater_than_spec_func (int argc, const char **argv) | |
9905 | { | |
9906 | char *converted; | |
9907 | ||
9908 | if (argc == 1) | |
9909 | return NULL; | |
9910 | ||
f3609a89 | 9911 | gcc_assert (argc >= 2); |
cf7416c3 | 9912 | |
f3609a89 JJ |
9913 | long arg = strtol (argv[argc - 2], &converted, 10); |
9914 | gcc_assert (converted != argv[argc - 2]); | |
cf7416c3 | 9915 | |
f3609a89 JJ |
9916 | long lim = strtol (argv[argc - 1], &converted, 10); |
9917 | gcc_assert (converted != argv[argc - 1]); | |
cf7416c3 TV |
9918 | |
9919 | if (arg > lim) | |
9920 | return ""; | |
9921 | ||
9922 | return NULL; | |
9923 | } | |
9924 | ||
1c70261c JJ |
9925 | /* Returns "" if debug_info_level is greater than ARGV[ARGC-1]. |
9926 | Otherwise, return NULL. */ | |
9927 | ||
9928 | static const char * | |
9929 | debug_level_greater_than_spec_func (int argc, const char **argv) | |
9930 | { | |
9931 | char *converted; | |
9932 | ||
9933 | if (argc != 1) | |
9934 | fatal_error (input_location, | |
9935 | "wrong number of arguments to %%:debug-level-gt"); | |
9936 | ||
9937 | long arg = strtol (argv[0], &converted, 10); | |
9938 | gcc_assert (converted != argv[0]); | |
9939 | ||
9940 | if (debug_info_level > arg) | |
9941 | return ""; | |
9942 | ||
9943 | return NULL; | |
9944 | } | |
9945 | ||
3c27ce4c JY |
9946 | /* Insert backslash before spaces in ORIG (usually a file path), to |
9947 | avoid being broken by spec parser. | |
9948 | ||
9949 | This function is needed as do_spec_1 treats white space (' ' and '\t') | |
9950 | as the end of an argument. But in case of -plugin /usr/gcc install/xxx.so, | |
9951 | the file name should be treated as a single argument rather than being | |
9952 | broken into multiple. Solution is to insert '\\' before the space in a | |
9953 | file name. | |
9954 | ||
9955 | This function converts and only converts all occurrence of ' ' | |
9956 | to '\\' + ' ' and '\t' to '\\' + '\t'. For example: | |
9957 | "a b" -> "a\\ b" | |
9958 | "a b" -> "a\\ \\ b" | |
9959 | "a\tb" -> "a\\\tb" | |
9960 | "a\\ b" -> "a\\\\ b" | |
9961 | ||
9962 | orig: input null-terminating string that was allocated by xalloc. The | |
9963 | memory it points to might be freed in this function. Behavior undefined | |
9964 | if ORIG wasn't xalloced or was freed already at entry. | |
9965 | ||
9966 | Return: ORIG if no conversion needed. Otherwise a newly allocated string | |
9967 | that was converted from ORIG. */ | |
9968 | ||
9969 | static char * | |
9970 | convert_white_space (char *orig) | |
9971 | { | |
9972 | int len, number_of_space = 0; | |
9973 | ||
9974 | for (len = 0; orig[len]; len++) | |
9975 | if (orig[len] == ' ' || orig[len] == '\t') number_of_space++; | |
9976 | ||
9977 | if (number_of_space) | |
9978 | { | |
9979 | char *new_spec = (char *) xmalloc (len + number_of_space + 1); | |
9980 | int j, k; | |
9981 | for (j = 0, k = 0; j <= len; j++, k++) | |
9982 | { | |
9983 | if (orig[j] == ' ' || orig[j] == '\t') | |
9984 | new_spec[k++] = '\\'; | |
9985 | new_spec[k] = orig[j]; | |
9986 | } | |
9987 | free (orig); | |
9988 | return new_spec; | |
9989 | } | |
9990 | else | |
9991 | return orig; | |
9992 | } | |
2cb844ce | 9993 | |
9376dd63 DM |
9994 | static void |
9995 | path_prefix_reset (path_prefix *prefix) | |
9996 | { | |
9997 | struct prefix_list *iter, *next; | |
9998 | iter = prefix->plist; | |
9999 | while (iter) | |
10000 | { | |
10001 | next = iter->next; | |
10002 | free (const_cast <char *> (iter->prefix)); | |
10003 | XDELETE (iter); | |
10004 | iter = next; | |
10005 | } | |
10006 | prefix->plist = 0; | |
10007 | prefix->max_len = 0; | |
10008 | } | |
10009 | ||
10010 | /* Restore all state within gcc.c to the initial state, so that the driver | |
10011 | code can be safely re-run in-process. | |
10012 | ||
10013 | Many const char * variables are referenced by static specs (see | |
10014 | INIT_STATIC_SPEC above). These variables are restored to their default | |
10015 | values by a simple loop over the static specs. | |
10016 | ||
10017 | For other variables, we directly restore them all to their initial | |
10018 | values (often implicitly 0). | |
10019 | ||
10020 | Free the various obstacks in this file, along with "opts_obstack" | |
10021 | from opts.c. | |
10022 | ||
10023 | This function also restores any environment variables that were changed. */ | |
10024 | ||
10025 | void | |
10026 | driver::finalize () | |
10027 | { | |
10028 | env.restore (); | |
10029 | params_c_finalize (); | |
10030 | diagnostic_finish (global_dc); | |
10031 | ||
10032 | is_cpp_driver = 0; | |
10033 | at_file_supplied = 0; | |
10034 | print_help_list = 0; | |
10035 | print_version = 0; | |
10036 | verbose_only_flag = 0; | |
10037 | print_subprocess_help = 0; | |
10038 | use_ld = NULL; | |
10039 | report_times_to_file = NULL; | |
10040 | target_system_root = DEFAULT_TARGET_SYSTEM_ROOT; | |
10041 | target_system_root_changed = 0; | |
10042 | target_sysroot_suffix = 0; | |
10043 | target_sysroot_hdrs_suffix = 0; | |
10044 | save_temps_flag = SAVE_TEMPS_NONE; | |
10045 | save_temps_prefix = 0; | |
10046 | save_temps_length = 0; | |
10047 | spec_machine = DEFAULT_TARGET_MACHINE; | |
10048 | greatest_status = 1; | |
10049 | ||
10050 | finalize_options_struct (&global_options); | |
10051 | finalize_options_struct (&global_options_set); | |
10052 | ||
10053 | obstack_free (&obstack, NULL); | |
10054 | obstack_free (&opts_obstack, NULL); /* in opts.c */ | |
10055 | obstack_free (&collect_obstack, NULL); | |
10056 | ||
10057 | link_command_spec = LINK_COMMAND_SPEC; | |
10058 | ||
10059 | obstack_free (&multilib_obstack, NULL); | |
10060 | ||
10061 | user_specs_head = NULL; | |
10062 | user_specs_tail = NULL; | |
10063 | ||
10064 | /* Within the "compilers" vec, the fields "suffix" and "spec" were | |
10065 | statically allocated for the default compilers, but dynamically | |
10066 | allocated for additional compilers. Delete them for the latter. */ | |
10067 | for (int i = n_default_compilers; i < n_compilers; i++) | |
10068 | { | |
10069 | free (const_cast <char *> (compilers[i].suffix)); | |
10070 | free (const_cast <char *> (compilers[i].spec)); | |
10071 | } | |
10072 | XDELETEVEC (compilers); | |
10073 | compilers = NULL; | |
10074 | n_compilers = 0; | |
10075 | ||
10076 | linker_options.truncate (0); | |
10077 | assembler_options.truncate (0); | |
10078 | preprocessor_options.truncate (0); | |
10079 | ||
10080 | path_prefix_reset (&exec_prefixes); | |
10081 | path_prefix_reset (&startfile_prefixes); | |
10082 | path_prefix_reset (&include_prefixes); | |
10083 | ||
10084 | machine_suffix = 0; | |
10085 | just_machine_suffix = 0; | |
10086 | gcc_exec_prefix = 0; | |
10087 | gcc_libexec_prefix = 0; | |
10088 | md_exec_prefix = MD_EXEC_PREFIX; | |
10089 | md_startfile_prefix = MD_STARTFILE_PREFIX; | |
10090 | md_startfile_prefix_1 = MD_STARTFILE_PREFIX_1; | |
10091 | multilib_dir = 0; | |
10092 | multilib_os_dir = 0; | |
10093 | multiarch_dir = 0; | |
10094 | ||
8dccd19b DM |
10095 | /* Free any specs dynamically-allocated by set_spec. |
10096 | These will be at the head of the list, before the | |
10097 | statically-allocated ones. */ | |
10098 | if (specs) | |
10099 | { | |
10100 | while (specs != static_specs) | |
10101 | { | |
10102 | spec_list *next = specs->next; | |
10103 | free (const_cast <char *> (specs->name)); | |
10104 | XDELETE (specs); | |
10105 | specs = next; | |
10106 | } | |
10107 | specs = 0; | |
10108 | } | |
9376dd63 DM |
10109 | for (unsigned i = 0; i < ARRAY_SIZE (static_specs); i++) |
10110 | { | |
10111 | spec_list *sl = &static_specs[i]; | |
10112 | if (sl->alloc_p) | |
10113 | { | |
10114 | if (0) | |
10115 | free (const_cast <char *> (*(sl->ptr_spec))); | |
10116 | sl->alloc_p = false; | |
10117 | } | |
10118 | *(sl->ptr_spec) = sl->default_ptr; | |
10119 | } | |
de26e239 | 10120 | #ifdef EXTRA_SPECS |
9376dd63 | 10121 | extra_specs = NULL; |
de26e239 | 10122 | #endif |
9376dd63 DM |
10123 | |
10124 | processing_spec_function = 0; | |
10125 | ||
10126 | argbuf.truncate (0); | |
10127 | ||
10128 | have_c = 0; | |
10129 | have_o = 0; | |
10130 | ||
10131 | temp_names = NULL; | |
10132 | execution_count = 0; | |
10133 | signal_count = 0; | |
10134 | ||
10135 | temp_filename = NULL; | |
10136 | temp_filename_length = 0; | |
10137 | always_delete_queue = NULL; | |
10138 | failure_delete_queue = NULL; | |
10139 | ||
10140 | XDELETEVEC (switches); | |
10141 | switches = NULL; | |
10142 | n_switches = 0; | |
10143 | n_switches_alloc = 0; | |
10144 | ||
10145 | compare_debug = 0; | |
10146 | compare_debug_second = 0; | |
10147 | compare_debug_opt = NULL; | |
10148 | for (int i = 0; i < 2; i++) | |
10149 | { | |
10150 | switches_debug_check[i] = NULL; | |
10151 | n_switches_debug_check[i] = 0; | |
10152 | n_switches_alloc_debug_check[i] = 0; | |
10153 | debug_check_temp_file[i] = NULL; | |
10154 | } | |
10155 | ||
10156 | XDELETEVEC (infiles); | |
10157 | infiles = NULL; | |
10158 | n_infiles = 0; | |
10159 | n_infiles_alloc = 0; | |
10160 | ||
10161 | combine_inputs = false; | |
10162 | added_libraries = 0; | |
10163 | XDELETEVEC (outfiles); | |
10164 | outfiles = NULL; | |
10165 | spec_lang = 0; | |
10166 | last_language_n_infiles = 0; | |
10167 | gcc_input_filename = NULL; | |
10168 | input_file_number = 0; | |
10169 | input_filename_length = 0; | |
10170 | basename_length = 0; | |
10171 | suffixed_basename_length = 0; | |
10172 | input_basename = NULL; | |
10173 | input_suffix = NULL; | |
10174 | /* We don't need to purge "input_stat", just to unset "input_stat_set". */ | |
10175 | input_stat_set = 0; | |
10176 | input_file_compiler = NULL; | |
10177 | arg_going = 0; | |
10178 | delete_this_arg = 0; | |
10179 | this_is_output_file = 0; | |
10180 | this_is_library_file = 0; | |
10181 | this_is_linker_script = 0; | |
10182 | input_from_pipe = 0; | |
10183 | suffix_subst = NULL; | |
10184 | ||
10185 | mdswitches = NULL; | |
10186 | n_mdswitches = 0; | |
10187 | ||
10188 | debug_auxbase_opt = NULL; | |
10189 | ||
10190 | used_arg.finalize (); | |
10191 | } | |
10192 | ||
2cb844ce DM |
10193 | /* PR jit/64810. |
10194 | Targets can provide configure-time default options in | |
10195 | OPTION_DEFAULT_SPECS. The jit needs to access these, but | |
10196 | they are expressed in the spec language. | |
10197 | ||
10198 | Run just enough of the driver to be able to expand these | |
10199 | specs, and then call the callback CB on each | |
10200 | such option. The options strings are *without* a leading | |
10201 | '-' character e.g. ("march=x86-64"). Finally, clean up. */ | |
10202 | ||
10203 | void | |
10204 | driver_get_configure_time_options (void (*cb) (const char *option, | |
10205 | void *user_data), | |
10206 | void *user_data) | |
10207 | { | |
10208 | size_t i; | |
10209 | ||
10210 | obstack_init (&obstack); | |
de5672fc | 10211 | init_opts_obstack (); |
2cb844ce DM |
10212 | n_switches = 0; |
10213 | ||
10214 | for (i = 0; i < ARRAY_SIZE (option_default_specs); i++) | |
10215 | do_option_spec (option_default_specs[i].name, | |
10216 | option_default_specs[i].spec); | |
10217 | ||
10218 | for (i = 0; (int) i < n_switches; i++) | |
10219 | { | |
10220 | gcc_assert (switches[i].part1); | |
10221 | (*cb) (switches[i].part1, user_data); | |
10222 | } | |
10223 | ||
10224 | obstack_free (&opts_obstack, NULL); | |
10225 | obstack_free (&obstack, NULL); | |
10226 | n_switches = 0; | |
10227 | } |