1 | /* Gcc offline profile processing tool support. */ |
2 | /* Copyright (C) 2014-2023 Free Software Foundation, Inc. |
3 | Contributed by Rong Xu <xur@google.com>. |
4 | |
5 | This file is part of GCC. |
6 | |
7 | GCC is free software; you can redistribute it and/or modify it under |
8 | the terms of the GNU General Public License as published by the Free |
9 | Software Foundation; either version 3, or (at your option) any later |
10 | version. |
11 | |
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
15 | for more details. |
16 | |
17 | Under Section 7 of GPL version 3, you are granted additional |
18 | permissions described in the GCC Runtime Library Exception, version |
19 | 3.1, as published by the Free Software Foundation. |
20 | |
21 | You should have received a copy of the GNU General Public License and |
22 | a copy of the GCC Runtime Library Exception along with this program; |
23 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
24 | <http://www.gnu.org/licenses/>. */ |
25 | |
26 | #include "config.h" |
27 | #include "system.h" |
28 | #include "coretypes.h" |
29 | #include "tm.h" |
30 | #include "intl.h" |
31 | #include "diagnostic.h" |
32 | #include "version.h" |
33 | #include "gcov-io.h" |
34 | #include <stdlib.h> |
35 | #include <stdio.h> |
36 | #include <sys/stat.h> |
37 | #include <unistd.h> |
38 | #if HAVE_FTW_H |
39 | #include <ftw.h> |
40 | #endif |
41 | #include <getopt.h> |
42 | |
43 | extern struct gcov_info *gcov_profile_merge (struct gcov_info*, |
44 | struct gcov_info*, int, int); |
45 | extern struct gcov_info *gcov_profile_merge_stream (const char *, int, int); |
46 | extern int gcov_profile_overlap (struct gcov_info*, struct gcov_info*); |
47 | extern int gcov_profile_normalize (struct gcov_info*, gcov_type); |
48 | extern int gcov_profile_scale (struct gcov_info*, float, int, int); |
49 | extern struct gcov_info* gcov_read_profile_dir (const char*, int); |
50 | extern void gcov_do_dump (struct gcov_info *, int, int); |
51 | extern const char *gcov_get_filename (struct gcov_info *list); |
52 | extern void gcov_set_verbose (void); |
53 | |
54 | /* Set to verbose output mode. */ |
55 | static bool verbose; |
56 | |
57 | #if HAVE_FTW_H |
58 | |
59 | /* Remove file NAME if it has a gcda suffix. */ |
60 | |
61 | static int |
62 | unlink_gcda_file (const char *name, |
63 | const struct stat *status ATTRIBUTE_UNUSED, |
64 | int type ATTRIBUTE_UNUSED, |
65 | struct FTW *ftwbuf ATTRIBUTE_UNUSED) |
66 | { |
67 | int ret = 0; |
68 | int len = strlen (s: name); |
69 | int len1 = strlen (GCOV_DATA_SUFFIX); |
70 | |
71 | if (len > len1 && !strncmp (s1: len -len1 + name, GCOV_DATA_SUFFIX, n: len1)) |
72 | ret = remove (filename: name); |
73 | |
74 | if (ret) |
75 | fatal_error (input_location, "error in removing %s" , name); |
76 | |
77 | return ret; |
78 | } |
79 | #endif |
80 | |
81 | /* Remove the gcda files in PATH recursively. */ |
82 | |
83 | static int |
84 | unlink_profile_dir (const char *path ATTRIBUTE_UNUSED) |
85 | { |
86 | #if HAVE_FTW_H |
87 | return nftw(dir: path, func: unlink_gcda_file, descriptors: 64, FTW_DEPTH | FTW_PHYS); |
88 | #else |
89 | return -1; |
90 | #endif |
91 | } |
92 | |
93 | /* Output GCOV_INFO lists PROFILE to directory OUT. Note that |
94 | we will remove all the gcda files in OUT. */ |
95 | |
96 | static void |
97 | gcov_output_files (const char *out, struct gcov_info *profile) |
98 | { |
99 | char *pwd; |
100 | int ret; |
101 | |
102 | /* Try to make directory if it doesn't already exist. */ |
103 | if (access (name: out, F_OK) == -1) |
104 | { |
105 | if (mkdir (path: out, S_IRWXU | S_IRWXG | S_IRWXO) == -1 && errno != EEXIST) |
106 | fatal_error (input_location, "Cannot make directory %s" , out); |
107 | } else |
108 | unlink_profile_dir (path: out); |
109 | |
110 | /* Output new profile. */ |
111 | pwd = getcwd (NULL, size: 0); |
112 | |
113 | if (pwd == NULL) |
114 | fatal_error (input_location, "Cannot get current directory name" ); |
115 | |
116 | ret = chdir (path: out); |
117 | if (ret) |
118 | fatal_error (input_location, "Cannot change directory to %s" , out); |
119 | |
120 | /* Verify that output file does not exist (either was removed by |
121 | unlink_profile_data or removed by user). */ |
122 | const char *filename = gcov_get_filename (list: profile); |
123 | |
124 | if (access (name: filename, F_OK) != -1) |
125 | fatal_error (input_location, "output file %s already exists in folder %s" , |
126 | filename, out); |
127 | |
128 | gcov_do_dump (profile, 0, 0); |
129 | |
130 | ret = chdir (path: pwd); |
131 | if (ret) |
132 | fatal_error (input_location, "Cannot change directory to %s" , pwd); |
133 | |
134 | free (ptr: pwd); |
135 | } |
136 | |
137 | /* Merging profile D1 and D2 with weight as W1 and W2, respectively. |
138 | The result profile is written to directory OUT. |
139 | Return 0 on success. */ |
140 | |
141 | static int |
142 | profile_merge (const char *d1, const char *d2, const char *out, int w1, int w2) |
143 | { |
144 | struct gcov_info *d1_profile; |
145 | struct gcov_info *d2_profile; |
146 | struct gcov_info *merged_profile; |
147 | |
148 | d1_profile = gcov_read_profile_dir (d1, 0); |
149 | d2_profile = gcov_read_profile_dir (d2, 0); |
150 | |
151 | /* The actual merge: we overwrite to d1_profile. */ |
152 | merged_profile = gcov_profile_merge (d1_profile, d2_profile, w1, w2); |
153 | |
154 | if (merged_profile) |
155 | gcov_output_files (out, profile: merged_profile); |
156 | else if (verbose) |
157 | fnotice (stdout, "no profile files were merged\n" ); |
158 | |
159 | return 0; |
160 | } |
161 | |
162 | /* Usage message for profile merge. */ |
163 | |
164 | static void |
165 | print_merge_usage_message (int error_p) |
166 | { |
167 | FILE *file = error_p ? stderr : stdout; |
168 | |
169 | fnotice (file, " merge [options] <dir1> <dir2> Merge coverage file contents\n" ); |
170 | fnotice (file, " -o, --output <dir> Output directory\n" ); |
171 | fnotice (file, " -v, --verbose Verbose mode\n" ); |
172 | fnotice (file, " -w, --weight <w1,w2> Set weights (float point values)\n" ); |
173 | } |
174 | |
175 | static const struct option merge_options[] = |
176 | { |
177 | { .name: "verbose" , no_argument, NULL, .val: 'v' }, |
178 | { .name: "output" , required_argument, NULL, .val: 'o' }, |
179 | { .name: "weight" , required_argument, NULL, .val: 'w' }, |
180 | { .name: 0, .has_arg: 0, .flag: 0, .val: 0 } |
181 | }; |
182 | |
183 | /* Print merge usage and exit. */ |
184 | |
185 | static void ATTRIBUTE_NORETURN |
186 | merge_usage (void) |
187 | { |
188 | fnotice (stderr, "Merge subcommand usage:" ); |
189 | print_merge_usage_message (error_p: true); |
190 | exit (FATAL_EXIT_CODE); |
191 | } |
192 | |
193 | /* Driver for profile merge subcommand. */ |
194 | |
195 | static int |
196 | do_merge (int argc, char **argv) |
197 | { |
198 | int opt; |
199 | const char *output_dir = 0; |
200 | int w1 = 1, w2 = 1; |
201 | |
202 | optind = 0; |
203 | while ((opt = getopt_long (argc, argv, shortopts: "vo:w:" , longopts: merge_options, NULL)) != -1) |
204 | { |
205 | switch (opt) |
206 | { |
207 | case 'v': |
208 | verbose = true; |
209 | gcov_set_verbose (); |
210 | break; |
211 | case 'o': |
212 | output_dir = optarg; |
213 | break; |
214 | case 'w': |
215 | sscanf (s: optarg, format: "%d,%d" , &w1, &w2); |
216 | if (w1 < 0 || w2 < 0) |
217 | fatal_error (input_location, "weights need to be non-negative" ); |
218 | break; |
219 | default: |
220 | merge_usage (); |
221 | } |
222 | } |
223 | |
224 | if (output_dir == NULL) |
225 | output_dir = "merged_profile" ; |
226 | |
227 | if (argc - optind != 2) |
228 | merge_usage (); |
229 | |
230 | return profile_merge (d1: argv[optind], d2: argv[optind+1], out: output_dir, w1, w2); |
231 | } |
232 | |
233 | /* Usage message for profile merge-stream. */ |
234 | |
235 | static void |
236 | print_merge_stream_usage_message (int error_p) |
237 | { |
238 | FILE *file = error_p ? stderr : stdout; |
239 | |
240 | fnotice (file, " merge-stream [options] [<file>] Merge coverage stream file (or stdin)\n" |
241 | " and coverage file contents\n" ); |
242 | fnotice (file, " -v, --verbose Verbose mode\n" ); |
243 | fnotice (file, " -w, --weight <w1,w2> Set weights (float point values)\n" ); |
244 | } |
245 | |
246 | static const struct option merge_stream_options[] = |
247 | { |
248 | { .name: "verbose" , no_argument, NULL, .val: 'v' }, |
249 | { .name: "weight" , required_argument, NULL, .val: 'w' }, |
250 | { .name: 0, .has_arg: 0, .flag: 0, .val: 0 } |
251 | }; |
252 | |
253 | /* Print merge-stream usage and exit. */ |
254 | |
255 | static void ATTRIBUTE_NORETURN |
256 | merge_stream_usage (void) |
257 | { |
258 | fnotice (stderr, "Merge-stream subcommand usage:" ); |
259 | print_merge_stream_usage_message (error_p: true); |
260 | exit (FATAL_EXIT_CODE); |
261 | } |
262 | |
263 | /* Driver for profile merge-stream subcommand. */ |
264 | |
265 | static int |
266 | do_merge_stream (int argc, char **argv) |
267 | { |
268 | int opt; |
269 | int w1 = 1, w2 = 1; |
270 | struct gcov_info *merged_profile; |
271 | |
272 | optind = 0; |
273 | while ((opt = getopt_long (argc, argv, shortopts: "vw:" , |
274 | longopts: merge_stream_options, NULL)) != -1) |
275 | { |
276 | switch (opt) |
277 | { |
278 | case 'v': |
279 | verbose = true; |
280 | gcov_set_verbose (); |
281 | break; |
282 | case 'w': |
283 | sscanf (s: optarg, format: "%d,%d" , &w1, &w2); |
284 | if (w1 < 0 || w2 < 0) |
285 | fatal_error (input_location, "weights need to be non-negative" ); |
286 | break; |
287 | default: |
288 | merge_stream_usage (); |
289 | } |
290 | } |
291 | |
292 | if (argc - optind > 1) |
293 | merge_stream_usage (); |
294 | |
295 | merged_profile = gcov_profile_merge_stream (argv[optind], w1, w2); |
296 | |
297 | if (merged_profile) |
298 | gcov_do_dump (merged_profile, 0, -1); |
299 | else if (verbose) |
300 | fnotice (stdout, "no profile files were merged\n" ); |
301 | |
302 | return 0; |
303 | } |
304 | |
305 | /* If N_VAL is no-zero, normalize the profile by setting the largest counter |
306 | counter value to N_VAL and scale others counters proportionally. |
307 | Otherwise, multiply the all counters by SCALE. */ |
308 | |
309 | static int |
310 | profile_rewrite (const char *d1, const char *out, int64_t n_val, |
311 | float scale, int n, int d) |
312 | { |
313 | struct gcov_info * d1_profile; |
314 | |
315 | d1_profile = gcov_read_profile_dir (d1, 0); |
316 | if (!d1_profile) |
317 | return 1; |
318 | |
319 | if (n_val) |
320 | gcov_profile_normalize (d1_profile, (gcov_type) n_val); |
321 | else |
322 | gcov_profile_scale (d1_profile, scale, n, d); |
323 | |
324 | gcov_output_files (out, profile: d1_profile); |
325 | return 0; |
326 | } |
327 | |
328 | /* Usage function for profile rewrite. */ |
329 | |
330 | static void |
331 | print_rewrite_usage_message (int error_p) |
332 | { |
333 | FILE *file = error_p ? stderr : stdout; |
334 | |
335 | fnotice (file, " rewrite [options] <dir> Rewrite coverage file contents\n" ); |
336 | fnotice (file, " -n, --normalize <int64_t> Normalize the profile\n" ); |
337 | fnotice (file, " -o, --output <dir> Output directory\n" ); |
338 | fnotice (file, " -s, --scale <float or simple-frac> Scale the profile counters\n" ); |
339 | fnotice (file, " -v, --verbose Verbose mode\n" ); |
340 | } |
341 | |
342 | static const struct option rewrite_options[] = |
343 | { |
344 | { .name: "verbose" , no_argument, NULL, .val: 'v' }, |
345 | { .name: "output" , required_argument, NULL, .val: 'o' }, |
346 | { .name: "scale" , required_argument, NULL, .val: 's' }, |
347 | { .name: "normalize" , required_argument, NULL, .val: 'n' }, |
348 | { .name: 0, .has_arg: 0, .flag: 0, .val: 0 } |
349 | }; |
350 | |
351 | /* Print profile rewrite usage and exit. */ |
352 | |
353 | static void ATTRIBUTE_NORETURN |
354 | rewrite_usage (void) |
355 | { |
356 | fnotice (stderr, "Rewrite subcommand usage:" ); |
357 | print_rewrite_usage_message (error_p: true); |
358 | exit (FATAL_EXIT_CODE); |
359 | } |
360 | |
361 | /* Driver for profile rewrite subcommand. */ |
362 | |
363 | static int |
364 | do_rewrite (int argc, char **argv) |
365 | { |
366 | int opt; |
367 | int ret; |
368 | const char *output_dir = 0; |
369 | int64_t normalize_val = 0; |
370 | float scale = 0.0; |
371 | int numerator = 1; |
372 | int denominator = 1; |
373 | int do_scaling = 0; |
374 | |
375 | optind = 0; |
376 | while ((opt = getopt_long (argc, argv, shortopts: "vo:s:n:" , longopts: rewrite_options, NULL)) != -1) |
377 | { |
378 | switch (opt) |
379 | { |
380 | case 'v': |
381 | verbose = true; |
382 | gcov_set_verbose (); |
383 | break; |
384 | case 'o': |
385 | output_dir = optarg; |
386 | break; |
387 | case 'n': |
388 | if (!do_scaling) |
389 | #if defined(INT64_T_IS_LONG) |
390 | normalize_val = strtol (nptr: optarg, endptr: (char **)NULL, base: 10); |
391 | #else |
392 | normalize_val = strtoll (optarg, (char **)NULL, 10); |
393 | #endif |
394 | else |
395 | fnotice (stderr, "scaling cannot co-exist with normalization," |
396 | " skipping\n" ); |
397 | break; |
398 | case 's': |
399 | ret = 0; |
400 | do_scaling = 1; |
401 | if (strstr (haystack: optarg, needle: "/" )) |
402 | { |
403 | ret = sscanf (s: optarg, format: "%d/%d" , &numerator, &denominator); |
404 | if (ret == 2) |
405 | { |
406 | if (numerator < 0 || denominator <= 0) |
407 | { |
408 | fnotice (stderr, "incorrect format in scaling, using 1/1\n" ); |
409 | denominator = 1; |
410 | numerator = 1; |
411 | } |
412 | } |
413 | } |
414 | if (ret != 2) |
415 | { |
416 | ret = sscanf (s: optarg, format: "%f" , &scale); |
417 | if (ret != 1) |
418 | fnotice (stderr, "incorrect format in scaling, using 1/1\n" ); |
419 | else |
420 | denominator = 0; |
421 | } |
422 | |
423 | if (scale < 0.0) |
424 | fatal_error (input_location, "scale needs to be non-negative" ); |
425 | |
426 | if (normalize_val != 0) |
427 | { |
428 | fnotice (stderr, "normalization cannot co-exist with scaling\n" ); |
429 | normalize_val = 0; |
430 | } |
431 | break; |
432 | default: |
433 | rewrite_usage (); |
434 | } |
435 | } |
436 | |
437 | if (output_dir == NULL) |
438 | output_dir = "rewrite_profile" ; |
439 | |
440 | if (argc - optind == 1) |
441 | { |
442 | if (denominator > 0) |
443 | ret = profile_rewrite (d1: argv[optind], out: output_dir, n_val: 0, scale: 0.0, n: numerator, d: denominator); |
444 | else |
445 | ret = profile_rewrite (d1: argv[optind], out: output_dir, n_val: normalize_val, scale, n: 0, d: 0); |
446 | } |
447 | else |
448 | rewrite_usage (); |
449 | |
450 | return ret; |
451 | } |
452 | |
453 | /* Driver function to computer the overlap score b/w profile D1 and D2. |
454 | Return 1 on error and 0 if OK. */ |
455 | |
456 | static int |
457 | profile_overlap (const char *d1, const char *d2) |
458 | { |
459 | struct gcov_info *d1_profile; |
460 | struct gcov_info *d2_profile; |
461 | |
462 | d1_profile = gcov_read_profile_dir (d1, 0); |
463 | if (!d1_profile) |
464 | return 1; |
465 | |
466 | if (d2) |
467 | { |
468 | d2_profile = gcov_read_profile_dir (d2, 0); |
469 | if (!d2_profile) |
470 | return 1; |
471 | |
472 | return gcov_profile_overlap (d1_profile, d2_profile); |
473 | } |
474 | |
475 | return 1; |
476 | } |
477 | |
478 | /* Usage message for profile overlap. */ |
479 | |
480 | static void |
481 | print_overlap_usage_message (int error_p) |
482 | { |
483 | FILE *file = error_p ? stderr : stdout; |
484 | |
485 | fnotice (file, " overlap [options] <dir1> <dir2> Compute the overlap of two profiles\n" ); |
486 | fnotice (file, " -f, --function Print function level info\n" ); |
487 | fnotice (file, " -F, --fullname Print full filename\n" ); |
488 | fnotice (file, " -h, --hotonly Only print info for hot objects/functions\n" ); |
489 | fnotice (file, " -o, --object Print object level info\n" ); |
490 | fnotice (file, " -t <float>, --hot_threshold <float> Set the threshold for hotness\n" ); |
491 | fnotice (file, " -v, --verbose Verbose mode\n" ); |
492 | } |
493 | |
494 | static const struct option overlap_options[] = |
495 | { |
496 | { .name: "verbose" , no_argument, NULL, .val: 'v' }, |
497 | { .name: "function" , no_argument, NULL, .val: 'f' }, |
498 | { .name: "fullname" , no_argument, NULL, .val: 'F' }, |
499 | { .name: "object" , no_argument, NULL, .val: 'o' }, |
500 | { .name: "hotonly" , no_argument, NULL, .val: 'h' }, |
501 | { .name: "hot_threshold" , required_argument, NULL, .val: 't' }, |
502 | { .name: 0, .has_arg: 0, .flag: 0, .val: 0 } |
503 | }; |
504 | |
505 | /* Print overlap usage and exit. */ |
506 | |
507 | static void ATTRIBUTE_NORETURN |
508 | overlap_usage (void) |
509 | { |
510 | fnotice (stderr, "Overlap subcommand usage:" ); |
511 | print_overlap_usage_message (error_p: true); |
512 | exit (FATAL_EXIT_CODE); |
513 | } |
514 | |
515 | int overlap_func_level; |
516 | int overlap_obj_level; |
517 | int overlap_hot_only; |
518 | int overlap_use_fullname; |
519 | double overlap_hot_threshold = 0.005; |
520 | |
521 | /* Driver for profile overlap subcommand. */ |
522 | |
523 | static int |
524 | do_overlap (int argc, char **argv) |
525 | { |
526 | int opt; |
527 | int ret; |
528 | |
529 | optind = 0; |
530 | while ((opt = getopt_long (argc, argv, shortopts: "vfFoht:" , longopts: overlap_options, NULL)) != -1) |
531 | { |
532 | switch (opt) |
533 | { |
534 | case 'v': |
535 | verbose = true; |
536 | gcov_set_verbose (); |
537 | break; |
538 | case 'f': |
539 | overlap_func_level = 1; |
540 | break; |
541 | case 'F': |
542 | overlap_use_fullname = 1; |
543 | break; |
544 | case 'o': |
545 | overlap_obj_level = 1; |
546 | break; |
547 | case 'h': |
548 | overlap_hot_only = 1; |
549 | break; |
550 | case 't': |
551 | overlap_hot_threshold = atof (nptr: optarg); |
552 | break; |
553 | default: |
554 | overlap_usage (); |
555 | } |
556 | } |
557 | |
558 | if (argc - optind == 2) |
559 | ret = profile_overlap (d1: argv[optind], d2: argv[optind+1]); |
560 | else |
561 | overlap_usage (); |
562 | |
563 | return ret; |
564 | } |
565 | |
566 | |
567 | /* Print a usage message and exit. If ERROR_P is nonzero, this is an error, |
568 | otherwise the output of --help. */ |
569 | |
570 | static void |
571 | print_usage (int error_p) |
572 | { |
573 | FILE *file = error_p ? stderr : stdout; |
574 | int status = error_p ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE; |
575 | |
576 | fnotice (file, "Usage: %s [OPTION]... SUB_COMMAND [OPTION]...\n\n" , progname); |
577 | fnotice (file, "Offline tool to handle gcda counts\n\n" ); |
578 | fnotice (file, " -h, --help Print this help, then exit\n" ); |
579 | fnotice (file, " -v, --version Print version number, then exit\n" ); |
580 | print_merge_usage_message (error_p); |
581 | print_merge_stream_usage_message (error_p); |
582 | print_rewrite_usage_message (error_p); |
583 | print_overlap_usage_message (error_p); |
584 | fnotice (file, "\nFor bug reporting instructions, please see:\n%s.\n" , |
585 | bug_report_url); |
586 | exit (status: status); |
587 | } |
588 | |
589 | /* Print version information and exit. */ |
590 | |
591 | static void |
592 | print_version (void) |
593 | { |
594 | fnotice (stdout, "%s %s%s\n" , progname, pkgversion_string, version_string); |
595 | fnotice (stdout, "Copyright %s 2023 Free Software Foundation, Inc.\n" , |
596 | _("(C)" )); |
597 | fnotice (stdout, |
598 | _("This is free software; see the source for copying conditions. There is NO\n\ |
599 | warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n" )); |
600 | exit (SUCCESS_EXIT_CODE); |
601 | } |
602 | |
603 | static const struct option options[] = |
604 | { |
605 | { .name: "help" , no_argument, NULL, .val: 'h' }, |
606 | { .name: "version" , no_argument, NULL, .val: 'v' }, |
607 | { .name: 0, .has_arg: 0, .flag: 0, .val: 0 } |
608 | }; |
609 | |
610 | /* Process args, return index to first non-arg. */ |
611 | |
612 | static int |
613 | process_args (int argc, char **argv) |
614 | { |
615 | int opt; |
616 | |
617 | while ((opt = getopt_long (argc, argv, shortopts: "+hv" , longopts: options, NULL)) != -1) |
618 | { |
619 | switch (opt) |
620 | { |
621 | case 'h': |
622 | print_usage (error_p: false); |
623 | /* Print_usage will exit. */ |
624 | /* FALLTHRU */ |
625 | case 'v': |
626 | print_version (); |
627 | /* Print_version will exit. */ |
628 | /* FALLTHRU */ |
629 | default: |
630 | print_usage (error_p: true); |
631 | /* Print_usage will exit. */ |
632 | } |
633 | } |
634 | |
635 | return optind; |
636 | } |
637 | |
638 | /* Main function for gcov-tool. */ |
639 | |
640 | int |
641 | main (int argc, char **argv) |
642 | { |
643 | const char *p; |
644 | const char *sub_command; |
645 | |
646 | p = argv[0] + strlen (s: argv[0]); |
647 | while (p != argv[0] && !IS_DIR_SEPARATOR (p[-1])) |
648 | --p; |
649 | progname = p; |
650 | |
651 | xmalloc_set_program_name (progname); |
652 | |
653 | /* Unlock the stdio streams. */ |
654 | unlock_std_streams (); |
655 | |
656 | gcc_init_libintl (); |
657 | |
658 | diagnostic_initialize (context: global_dc, n_opts: 0); |
659 | |
660 | /* Handle response files. */ |
661 | expandargv (&argc, &argv); |
662 | |
663 | process_args (argc, argv); |
664 | if (optind >= argc) |
665 | print_usage (error_p: true); |
666 | |
667 | sub_command = argv[optind]; |
668 | |
669 | if (!strcmp (s1: sub_command, s2: "merge" )) |
670 | return do_merge (argc: argc - optind, argv: argv + optind); |
671 | else if (!strcmp (s1: sub_command, s2: "merge-stream" )) |
672 | return do_merge_stream (argc: argc - optind, argv: argv + optind); |
673 | else if (!strcmp (s1: sub_command, s2: "rewrite" )) |
674 | return do_rewrite (argc: argc - optind, argv: argv + optind); |
675 | else if (!strcmp (s1: sub_command, s2: "overlap" )) |
676 | return do_overlap (argc: argc - optind, argv: argv + optind); |
677 | |
678 | print_usage (error_p: true); |
679 | } |
680 | |