1 | /* Dump infrastructure for optimizations and intermediate representation. |
2 | Copyright (C) 2012-2017 Free Software Foundation, Inc. |
3 | |
4 | This file is part of GCC. |
5 | |
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 |
8 | Software Foundation; either version 3, or (at your option) any later |
9 | version. |
10 | |
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. |
15 | |
16 | You should have received a copy of the GNU General Public License |
17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ |
19 | |
20 | #include "config.h" |
21 | #include "system.h" |
22 | #include "coretypes.h" |
23 | #include "options.h" |
24 | #include "tree.h" |
25 | #include "gimple-pretty-print.h" |
26 | #include "diagnostic-core.h" |
27 | #include "dumpfile.h" |
28 | #include "context.h" |
29 | #include "profile-count.h" |
30 | #include "tree-cfg.h" |
31 | #include "langhooks.h" |
32 | |
33 | /* If non-NULL, return one past-the-end of the matching SUBPART of |
34 | the WHOLE string. */ |
35 | #define skip_leading_substring(whole, part) \ |
36 | (strncmp (whole, part, strlen (part)) ? NULL : whole + strlen (part)) |
37 | |
38 | static dump_flags_t pflags; /* current dump_flags */ |
39 | static dump_flags_t alt_flags; /* current opt_info flags */ |
40 | |
41 | static void dump_loc (dump_flags_t, FILE *, source_location); |
42 | static FILE *dump_open_alternate_stream (struct dump_file_info *); |
43 | |
44 | /* These are currently used for communicating between passes. |
45 | However, instead of accessing them directly, the passes can use |
46 | dump_printf () for dumps. */ |
47 | FILE *dump_file = NULL; |
48 | FILE *alt_dump_file = NULL; |
49 | const char *dump_file_name; |
50 | dump_flags_t dump_flags; |
51 | |
52 | #define DUMP_FILE_INFO(suffix, swtch, dkind, num) \ |
53 | {suffix, swtch, NULL, NULL, NULL, NULL, NULL, dkind, 0, 0, 0, 0, 0, num, \ |
54 | false, false} |
55 | |
56 | /* Table of tree dump switches. This must be consistent with the |
57 | TREE_DUMP_INDEX enumeration in dumpfile.h. */ |
58 | static struct dump_file_info dump_files[TDI_end] = |
59 | { |
60 | DUMP_FILE_INFO (NULL, NULL, DK_none, 0), |
61 | DUMP_FILE_INFO (".cgraph" , "ipa-cgraph" , DK_ipa, 0), |
62 | DUMP_FILE_INFO (".type-inheritance" , "ipa-type-inheritance" , DK_ipa, 0), |
63 | DUMP_FILE_INFO (".ipa-clones" , "ipa-clones" , DK_ipa, 0), |
64 | DUMP_FILE_INFO (".original" , "tree-original" , DK_tree, 0), |
65 | DUMP_FILE_INFO (".gimple" , "tree-gimple" , DK_tree, 0), |
66 | DUMP_FILE_INFO (".nested" , "tree-nested" , DK_tree, 0), |
67 | #define FIRST_AUTO_NUMBERED_DUMP 1 |
68 | #define FIRST_ME_AUTO_NUMBERED_DUMP 3 |
69 | |
70 | DUMP_FILE_INFO (NULL, "lang-all" , DK_lang, 0), |
71 | DUMP_FILE_INFO (NULL, "tree-all" , DK_tree, 0), |
72 | DUMP_FILE_INFO (NULL, "rtl-all" , DK_rtl, 0), |
73 | DUMP_FILE_INFO (NULL, "ipa-all" , DK_ipa, 0), |
74 | }; |
75 | |
76 | /* Define a name->number mapping for a dump flag value. */ |
77 | struct dump_option_value_info |
78 | { |
79 | const char *const name; /* the name of the value */ |
80 | const dump_flags_t value; /* the value of the name */ |
81 | }; |
82 | |
83 | /* Table of dump options. This must be consistent with the TDF_* flags |
84 | in dumpfile.h and opt_info_options below. */ |
85 | static const struct dump_option_value_info dump_options[] = |
86 | { |
87 | {"address" , TDF_ADDRESS}, |
88 | {"asmname" , TDF_ASMNAME}, |
89 | {"slim" , TDF_SLIM}, |
90 | {"raw" , TDF_RAW}, |
91 | {"graph" , TDF_GRAPH}, |
92 | {"details" , (TDF_DETAILS | MSG_OPTIMIZED_LOCATIONS |
93 | | MSG_MISSED_OPTIMIZATION |
94 | | MSG_NOTE)}, |
95 | {"cselib" , TDF_CSELIB}, |
96 | {"stats" , TDF_STATS}, |
97 | {"blocks" , TDF_BLOCKS}, |
98 | {"vops" , TDF_VOPS}, |
99 | {"lineno" , TDF_LINENO}, |
100 | {"uid" , TDF_UID}, |
101 | {"stmtaddr" , TDF_STMTADDR}, |
102 | {"memsyms" , TDF_MEMSYMS}, |
103 | {"eh" , TDF_EH}, |
104 | {"alias" , TDF_ALIAS}, |
105 | {"nouid" , TDF_NOUID}, |
106 | {"enumerate_locals" , TDF_ENUMERATE_LOCALS}, |
107 | {"scev" , TDF_SCEV}, |
108 | {"gimple" , TDF_GIMPLE}, |
109 | {"folding" , TDF_FOLDING}, |
110 | {"optimized" , MSG_OPTIMIZED_LOCATIONS}, |
111 | {"missed" , MSG_MISSED_OPTIMIZATION}, |
112 | {"note" , MSG_NOTE}, |
113 | {"optall" , MSG_ALL}, |
114 | {"all" , dump_flags_t (~(TDF_RAW | TDF_SLIM | TDF_LINENO | TDF_GRAPH |
115 | | TDF_STMTADDR | TDF_RHS_ONLY | TDF_NOUID |
116 | | TDF_ENUMERATE_LOCALS | TDF_SCEV | TDF_GIMPLE))}, |
117 | {NULL, 0} |
118 | }; |
119 | |
120 | /* A subset of the dump_options table which is used for -fopt-info |
121 | types. This must be consistent with the MSG_* flags in dumpfile.h. |
122 | */ |
123 | static const struct dump_option_value_info optinfo_verbosity_options[] = |
124 | { |
125 | {"optimized" , MSG_OPTIMIZED_LOCATIONS}, |
126 | {"missed" , MSG_MISSED_OPTIMIZATION}, |
127 | {"note" , MSG_NOTE}, |
128 | {"all" , MSG_ALL}, |
129 | {NULL, 0} |
130 | }; |
131 | |
132 | /* Flags used for -fopt-info groups. */ |
133 | static const struct dump_option_value_info optgroup_options[] = |
134 | { |
135 | {"ipa" , OPTGROUP_IPA}, |
136 | {"loop" , OPTGROUP_LOOP}, |
137 | {"inline" , OPTGROUP_INLINE}, |
138 | {"omp" , OPTGROUP_OMP}, |
139 | {"vec" , OPTGROUP_VEC}, |
140 | {"optall" , OPTGROUP_ALL}, |
141 | {NULL, 0} |
142 | }; |
143 | |
144 | gcc::dump_manager::dump_manager (): |
145 | m_next_dump (FIRST_AUTO_NUMBERED_DUMP), |
146 | m_extra_dump_files (NULL), |
147 | m_extra_dump_files_in_use (0), |
148 | m_extra_dump_files_alloced (0) |
149 | { |
150 | } |
151 | |
152 | gcc::dump_manager::~dump_manager () |
153 | { |
154 | for (size_t i = 0; i < m_extra_dump_files_in_use; i++) |
155 | { |
156 | dump_file_info *dfi = &m_extra_dump_files[i]; |
157 | /* suffix, swtch, glob are statically allocated for the entries |
158 | in dump_files, and for statistics, but are dynamically allocated |
159 | for those for passes. */ |
160 | if (dfi->owns_strings) |
161 | { |
162 | XDELETEVEC (const_cast <char *> (dfi->suffix)); |
163 | XDELETEVEC (const_cast <char *> (dfi->swtch)); |
164 | XDELETEVEC (const_cast <char *> (dfi->glob)); |
165 | } |
166 | /* These, if non-NULL, are always dynamically allocated. */ |
167 | XDELETEVEC (const_cast <char *> (dfi->pfilename)); |
168 | XDELETEVEC (const_cast <char *> (dfi->alt_filename)); |
169 | } |
170 | XDELETEVEC (m_extra_dump_files); |
171 | } |
172 | |
173 | unsigned int |
174 | gcc::dump_manager:: |
175 | dump_register (const char *suffix, const char *swtch, const char *glob, |
176 | dump_kind dkind, int optgroup_flags, bool take_ownership) |
177 | { |
178 | int num = m_next_dump++; |
179 | |
180 | size_t count = m_extra_dump_files_in_use++; |
181 | |
182 | if (count >= m_extra_dump_files_alloced) |
183 | { |
184 | if (m_extra_dump_files_alloced == 0) |
185 | m_extra_dump_files_alloced = 512; |
186 | else |
187 | m_extra_dump_files_alloced *= 2; |
188 | m_extra_dump_files = XRESIZEVEC (struct dump_file_info, |
189 | m_extra_dump_files, |
190 | m_extra_dump_files_alloced); |
191 | |
192 | /* Construct a new object in the space allocated above. */ |
193 | new (m_extra_dump_files + count) dump_file_info (); |
194 | } |
195 | else |
196 | { |
197 | /* Zero out the already constructed object. */ |
198 | m_extra_dump_files[count] = dump_file_info (); |
199 | } |
200 | |
201 | m_extra_dump_files[count].suffix = suffix; |
202 | m_extra_dump_files[count].swtch = swtch; |
203 | m_extra_dump_files[count].glob = glob; |
204 | m_extra_dump_files[count].dkind = dkind; |
205 | m_extra_dump_files[count].optgroup_flags = optgroup_flags; |
206 | m_extra_dump_files[count].num = num; |
207 | m_extra_dump_files[count].owns_strings = take_ownership; |
208 | |
209 | return count + TDI_end; |
210 | } |
211 | |
212 | |
213 | /* Allow languages and middle-end to register their dumps before the |
214 | optimization passes. */ |
215 | |
216 | void |
217 | gcc::dump_manager:: |
218 | register_dumps () |
219 | { |
220 | lang_hooks.register_dumps (this); |
221 | /* If this assert fails, some FE registered more than |
222 | FIRST_ME_AUTO_NUMBERED_DUMP - FIRST_AUTO_NUMBERED_DUMP |
223 | dump files. Bump FIRST_ME_AUTO_NUMBERED_DUMP accordingly. */ |
224 | gcc_assert (m_next_dump <= FIRST_ME_AUTO_NUMBERED_DUMP); |
225 | m_next_dump = FIRST_ME_AUTO_NUMBERED_DUMP; |
226 | dump_files[TDI_original].num = m_next_dump++; |
227 | dump_files[TDI_gimple].num = m_next_dump++; |
228 | dump_files[TDI_nested].num = m_next_dump++; |
229 | } |
230 | |
231 | |
232 | /* Return the dump_file_info for the given phase. */ |
233 | |
234 | struct dump_file_info * |
235 | gcc::dump_manager:: |
236 | get_dump_file_info (int phase) const |
237 | { |
238 | if (phase < TDI_end) |
239 | return &dump_files[phase]; |
240 | else if ((size_t) (phase - TDI_end) >= m_extra_dump_files_in_use) |
241 | return NULL; |
242 | else |
243 | return m_extra_dump_files + (phase - TDI_end); |
244 | } |
245 | |
246 | /* Locate the dump_file_info with swtch equal to SWTCH, |
247 | or return NULL if no such dump_file_info exists. */ |
248 | |
249 | struct dump_file_info * |
250 | gcc::dump_manager:: |
251 | get_dump_file_info_by_switch (const char *swtch) const |
252 | { |
253 | for (unsigned i = 0; i < m_extra_dump_files_in_use; i++) |
254 | if (0 == strcmp (m_extra_dump_files[i].swtch, swtch)) |
255 | return &m_extra_dump_files[i]; |
256 | |
257 | /* Not found. */ |
258 | return NULL; |
259 | } |
260 | |
261 | |
262 | /* Return the name of the dump file for the given phase. |
263 | The caller is responsible for calling free on the returned |
264 | buffer. |
265 | If the dump is not enabled, returns NULL. */ |
266 | |
267 | char * |
268 | gcc::dump_manager:: |
269 | get_dump_file_name (int phase) const |
270 | { |
271 | struct dump_file_info *dfi; |
272 | |
273 | if (phase == TDI_none) |
274 | return NULL; |
275 | |
276 | dfi = get_dump_file_info (phase); |
277 | |
278 | return get_dump_file_name (dfi); |
279 | } |
280 | |
281 | /* Return the name of the dump file for the given dump_file_info. |
282 | The caller is responsible for calling free on the returned |
283 | buffer. |
284 | If the dump is not enabled, returns NULL. */ |
285 | |
286 | char * |
287 | gcc::dump_manager:: |
288 | get_dump_file_name (struct dump_file_info *dfi) const |
289 | { |
290 | char dump_id[10]; |
291 | |
292 | gcc_assert (dfi); |
293 | |
294 | if (dfi->pstate == 0) |
295 | return NULL; |
296 | |
297 | /* If available, use the command line dump filename. */ |
298 | if (dfi->pfilename) |
299 | return xstrdup (dfi->pfilename); |
300 | |
301 | if (dfi->num < 0) |
302 | dump_id[0] = '\0'; |
303 | else |
304 | { |
305 | /* (null), LANG, TREE, RTL, IPA. */ |
306 | char suffix = " ltri" [dfi->dkind]; |
307 | |
308 | if (snprintf (dump_id, sizeof (dump_id), ".%03d%c" , dfi->num, suffix) < 0) |
309 | dump_id[0] = '\0'; |
310 | } |
311 | |
312 | return concat (dump_base_name, dump_id, dfi->suffix, NULL); |
313 | } |
314 | |
315 | /* For a given DFI, open an alternate dump filename (which could also |
316 | be a standard stream such as stdout/stderr). If the alternate dump |
317 | file cannot be opened, return NULL. */ |
318 | |
319 | static FILE * |
320 | dump_open_alternate_stream (struct dump_file_info *dfi) |
321 | { |
322 | FILE *stream ; |
323 | if (!dfi->alt_filename) |
324 | return NULL; |
325 | |
326 | if (dfi->alt_stream) |
327 | return dfi->alt_stream; |
328 | |
329 | stream = strcmp ("stderr" , dfi->alt_filename) == 0 |
330 | ? stderr |
331 | : strcmp ("stdout" , dfi->alt_filename) == 0 |
332 | ? stdout |
333 | : fopen (dfi->alt_filename, dfi->alt_state < 0 ? "w" : "a" ); |
334 | |
335 | if (!stream) |
336 | error ("could not open dump file %qs: %m" , dfi->alt_filename); |
337 | else |
338 | dfi->alt_state = 1; |
339 | |
340 | return stream; |
341 | } |
342 | |
343 | /* Print source location on DFILE if enabled. */ |
344 | |
345 | void |
346 | dump_loc (dump_flags_t dump_kind, FILE *dfile, source_location loc) |
347 | { |
348 | if (dump_kind) |
349 | { |
350 | if (LOCATION_LOCUS (loc) > BUILTINS_LOCATION) |
351 | fprintf (dfile, "%s:%d:%d: note: " , LOCATION_FILE (loc), |
352 | LOCATION_LINE (loc), LOCATION_COLUMN (loc)); |
353 | else if (current_function_decl) |
354 | fprintf (dfile, "%s:%d:%d: note: " , |
355 | DECL_SOURCE_FILE (current_function_decl), |
356 | DECL_SOURCE_LINE (current_function_decl), |
357 | DECL_SOURCE_COLUMN (current_function_decl)); |
358 | } |
359 | } |
360 | |
361 | /* Dump gimple statement GS with SPC indentation spaces and |
362 | EXTRA_DUMP_FLAGS on the dump streams if DUMP_KIND is enabled. */ |
363 | |
364 | void |
365 | dump_gimple_stmt (dump_flags_t dump_kind, dump_flags_t , |
366 | gimple *gs, int spc) |
367 | { |
368 | if (dump_file && (dump_kind & pflags)) |
369 | print_gimple_stmt (dump_file, gs, spc, dump_flags | extra_dump_flags); |
370 | |
371 | if (alt_dump_file && (dump_kind & alt_flags)) |
372 | print_gimple_stmt (alt_dump_file, gs, spc, dump_flags | extra_dump_flags); |
373 | } |
374 | |
375 | /* Similar to dump_gimple_stmt, except additionally print source location. */ |
376 | |
377 | void |
378 | dump_gimple_stmt_loc (dump_flags_t dump_kind, source_location loc, |
379 | dump_flags_t , gimple *gs, int spc) |
380 | { |
381 | if (dump_file && (dump_kind & pflags)) |
382 | { |
383 | dump_loc (dump_kind, dump_file, loc); |
384 | print_gimple_stmt (dump_file, gs, spc, dump_flags | extra_dump_flags); |
385 | } |
386 | |
387 | if (alt_dump_file && (dump_kind & alt_flags)) |
388 | { |
389 | dump_loc (dump_kind, alt_dump_file, loc); |
390 | print_gimple_stmt (alt_dump_file, gs, spc, dump_flags | extra_dump_flags); |
391 | } |
392 | } |
393 | |
394 | /* Dump expression tree T using EXTRA_DUMP_FLAGS on dump streams if |
395 | DUMP_KIND is enabled. */ |
396 | |
397 | void |
398 | dump_generic_expr (dump_flags_t dump_kind, dump_flags_t , |
399 | tree t) |
400 | { |
401 | if (dump_file && (dump_kind & pflags)) |
402 | print_generic_expr (dump_file, t, dump_flags | extra_dump_flags); |
403 | |
404 | if (alt_dump_file && (dump_kind & alt_flags)) |
405 | print_generic_expr (alt_dump_file, t, dump_flags | extra_dump_flags); |
406 | } |
407 | |
408 | |
409 | /* Similar to dump_generic_expr, except additionally print the source |
410 | location. */ |
411 | |
412 | void |
413 | dump_generic_expr_loc (int dump_kind, source_location loc, |
414 | dump_flags_t , tree t) |
415 | { |
416 | if (dump_file && (dump_kind & pflags)) |
417 | { |
418 | dump_loc (dump_kind, dump_file, loc); |
419 | print_generic_expr (dump_file, t, dump_flags | extra_dump_flags); |
420 | } |
421 | |
422 | if (alt_dump_file && (dump_kind & alt_flags)) |
423 | { |
424 | dump_loc (dump_kind, alt_dump_file, loc); |
425 | print_generic_expr (alt_dump_file, t, dump_flags | extra_dump_flags); |
426 | } |
427 | } |
428 | |
429 | /* Output a formatted message using FORMAT on appropriate dump streams. */ |
430 | |
431 | void |
432 | dump_printf (dump_flags_t dump_kind, const char *format, ...) |
433 | { |
434 | if (dump_file && (dump_kind & pflags)) |
435 | { |
436 | va_list ap; |
437 | va_start (ap, format); |
438 | vfprintf (dump_file, format, ap); |
439 | va_end (ap); |
440 | } |
441 | |
442 | if (alt_dump_file && (dump_kind & alt_flags)) |
443 | { |
444 | va_list ap; |
445 | va_start (ap, format); |
446 | vfprintf (alt_dump_file, format, ap); |
447 | va_end (ap); |
448 | } |
449 | } |
450 | |
451 | /* Similar to dump_printf, except source location is also printed. */ |
452 | |
453 | void |
454 | dump_printf_loc (dump_flags_t dump_kind, source_location loc, |
455 | const char *format, ...) |
456 | { |
457 | if (dump_file && (dump_kind & pflags)) |
458 | { |
459 | va_list ap; |
460 | dump_loc (dump_kind, dump_file, loc); |
461 | va_start (ap, format); |
462 | vfprintf (dump_file, format, ap); |
463 | va_end (ap); |
464 | } |
465 | |
466 | if (alt_dump_file && (dump_kind & alt_flags)) |
467 | { |
468 | va_list ap; |
469 | dump_loc (dump_kind, alt_dump_file, loc); |
470 | va_start (ap, format); |
471 | vfprintf (alt_dump_file, format, ap); |
472 | va_end (ap); |
473 | } |
474 | } |
475 | |
476 | /* Start a dump for PHASE. Store user-supplied dump flags in |
477 | *FLAG_PTR. Return the number of streams opened. Set globals |
478 | DUMP_FILE, and ALT_DUMP_FILE to point to the opened streams, and |
479 | set dump_flags appropriately for both pass dump stream and |
480 | -fopt-info stream. */ |
481 | |
482 | int |
483 | gcc::dump_manager:: |
484 | dump_start (int phase, dump_flags_t *flag_ptr) |
485 | { |
486 | int count = 0; |
487 | char *name; |
488 | struct dump_file_info *dfi; |
489 | FILE *stream; |
490 | if (phase == TDI_none || !dump_phase_enabled_p (phase)) |
491 | return 0; |
492 | |
493 | dfi = get_dump_file_info (phase); |
494 | name = get_dump_file_name (phase); |
495 | if (name) |
496 | { |
497 | stream = strcmp ("stderr" , name) == 0 |
498 | ? stderr |
499 | : strcmp ("stdout" , name) == 0 |
500 | ? stdout |
501 | : fopen (name, dfi->pstate < 0 ? "w" : "a" ); |
502 | if (!stream) |
503 | error ("could not open dump file %qs: %m" , name); |
504 | else |
505 | { |
506 | dfi->pstate = 1; |
507 | count++; |
508 | } |
509 | free (name); |
510 | dfi->pstream = stream; |
511 | dump_file = dfi->pstream; |
512 | /* Initialize current dump flags. */ |
513 | pflags = dfi->pflags; |
514 | } |
515 | |
516 | stream = dump_open_alternate_stream (dfi); |
517 | if (stream) |
518 | { |
519 | dfi->alt_stream = stream; |
520 | count++; |
521 | alt_dump_file = dfi->alt_stream; |
522 | /* Initialize current -fopt-info flags. */ |
523 | alt_flags = dfi->alt_flags; |
524 | } |
525 | |
526 | if (flag_ptr) |
527 | *flag_ptr = dfi->pflags; |
528 | |
529 | return count; |
530 | } |
531 | |
532 | /* Finish a tree dump for PHASE and close associated dump streams. Also |
533 | reset the globals DUMP_FILE, ALT_DUMP_FILE, and DUMP_FLAGS. */ |
534 | |
535 | void |
536 | gcc::dump_manager:: |
537 | dump_finish (int phase) |
538 | { |
539 | struct dump_file_info *dfi; |
540 | |
541 | if (phase < 0) |
542 | return; |
543 | dfi = get_dump_file_info (phase); |
544 | if (dfi->pstream && (!dfi->pfilename |
545 | || (strcmp ("stderr" , dfi->pfilename) != 0 |
546 | && strcmp ("stdout" , dfi->pfilename) != 0))) |
547 | fclose (dfi->pstream); |
548 | |
549 | if (dfi->alt_stream && strcmp ("stderr" , dfi->alt_filename) != 0 |
550 | && strcmp ("stdout" , dfi->alt_filename) != 0) |
551 | fclose (dfi->alt_stream); |
552 | |
553 | dfi->alt_stream = NULL; |
554 | dfi->pstream = NULL; |
555 | dump_file = NULL; |
556 | alt_dump_file = NULL; |
557 | dump_flags = TDI_none; |
558 | alt_flags = 0; |
559 | pflags = 0; |
560 | } |
561 | |
562 | /* Begin a tree dump for PHASE. Stores any user supplied flag in |
563 | *FLAG_PTR and returns a stream to write to. If the dump is not |
564 | enabled, returns NULL. |
565 | Multiple calls will reopen and append to the dump file. */ |
566 | |
567 | FILE * |
568 | dump_begin (int phase, dump_flags_t *flag_ptr) |
569 | { |
570 | return g->get_dumps ()->dump_begin (phase, flag_ptr); |
571 | } |
572 | |
573 | FILE * |
574 | gcc::dump_manager:: |
575 | dump_begin (int phase, dump_flags_t *flag_ptr) |
576 | { |
577 | char *name; |
578 | struct dump_file_info *dfi; |
579 | FILE *stream; |
580 | |
581 | if (phase == TDI_none || !dump_phase_enabled_p (phase)) |
582 | return NULL; |
583 | |
584 | name = get_dump_file_name (phase); |
585 | if (!name) |
586 | return NULL; |
587 | dfi = get_dump_file_info (phase); |
588 | |
589 | stream = strcmp ("stderr" , name) == 0 |
590 | ? stderr |
591 | : strcmp ("stdout" , name) == 0 |
592 | ? stdout |
593 | : fopen (name, dfi->pstate < 0 ? "w" : "a" ); |
594 | |
595 | if (!stream) |
596 | error ("could not open dump file %qs: %m" , name); |
597 | else |
598 | dfi->pstate = 1; |
599 | free (name); |
600 | |
601 | if (flag_ptr) |
602 | *flag_ptr = dfi->pflags; |
603 | |
604 | /* Initialize current flags */ |
605 | pflags = dfi->pflags; |
606 | return stream; |
607 | } |
608 | |
609 | /* Returns nonzero if dump PHASE is enabled for at least one stream. |
610 | If PHASE is TDI_tree_all, return nonzero if any dump is enabled for |
611 | any phase. */ |
612 | |
613 | int |
614 | gcc::dump_manager:: |
615 | dump_phase_enabled_p (int phase) const |
616 | { |
617 | if (phase == TDI_tree_all) |
618 | { |
619 | size_t i; |
620 | for (i = TDI_none + 1; i < (size_t) TDI_end; i++) |
621 | if (dump_files[i].pstate || dump_files[i].alt_state) |
622 | return 1; |
623 | for (i = 0; i < m_extra_dump_files_in_use; i++) |
624 | if (m_extra_dump_files[i].pstate || m_extra_dump_files[i].alt_state) |
625 | return 1; |
626 | return 0; |
627 | } |
628 | else |
629 | { |
630 | struct dump_file_info *dfi = get_dump_file_info (phase); |
631 | return dfi->pstate || dfi->alt_state; |
632 | } |
633 | } |
634 | |
635 | /* Returns nonzero if tree dump PHASE has been initialized. */ |
636 | |
637 | int |
638 | gcc::dump_manager:: |
639 | dump_initialized_p (int phase) const |
640 | { |
641 | struct dump_file_info *dfi = get_dump_file_info (phase); |
642 | return dfi->pstate > 0 || dfi->alt_state > 0; |
643 | } |
644 | |
645 | /* Returns the switch name of PHASE. */ |
646 | |
647 | const char * |
648 | dump_flag_name (int phase) |
649 | { |
650 | return g->get_dumps ()->dump_flag_name (phase); |
651 | } |
652 | |
653 | const char * |
654 | gcc::dump_manager:: |
655 | dump_flag_name (int phase) const |
656 | { |
657 | struct dump_file_info *dfi = get_dump_file_info (phase); |
658 | return dfi->swtch; |
659 | } |
660 | |
661 | /* Finish a tree dump for PHASE. STREAM is the stream created by |
662 | dump_begin. */ |
663 | |
664 | void |
665 | dump_end (int phase ATTRIBUTE_UNUSED, FILE *stream) |
666 | { |
667 | if (stream != stderr && stream != stdout) |
668 | fclose (stream); |
669 | } |
670 | |
671 | /* Enable all tree dumps with FLAGS on FILENAME. Return number of |
672 | enabled tree dumps. */ |
673 | |
674 | int |
675 | gcc::dump_manager:: |
676 | dump_enable_all (dump_kind dkind, dump_flags_t flags, const char *filename) |
677 | { |
678 | int n = 0; |
679 | size_t i; |
680 | |
681 | for (i = TDI_none + 1; i < (size_t) TDI_end; i++) |
682 | { |
683 | if ((dump_files[i].dkind == dkind)) |
684 | { |
685 | const char *old_filename = dump_files[i].pfilename; |
686 | dump_files[i].pstate = -1; |
687 | dump_files[i].pflags |= flags; |
688 | n++; |
689 | /* Override the existing filename. */ |
690 | if (filename) |
691 | { |
692 | dump_files[i].pfilename = xstrdup (filename); |
693 | /* Since it is a command-line provided file, which is |
694 | common to all the phases, use it in append mode. */ |
695 | dump_files[i].pstate = 1; |
696 | } |
697 | if (old_filename && filename != old_filename) |
698 | free (CONST_CAST (char *, old_filename)); |
699 | } |
700 | } |
701 | |
702 | for (i = 0; i < m_extra_dump_files_in_use; i++) |
703 | { |
704 | if ((m_extra_dump_files[i].dkind == dkind)) |
705 | { |
706 | const char *old_filename = m_extra_dump_files[i].pfilename; |
707 | m_extra_dump_files[i].pstate = -1; |
708 | m_extra_dump_files[i].pflags |= flags; |
709 | n++; |
710 | /* Override the existing filename. */ |
711 | if (filename) |
712 | { |
713 | m_extra_dump_files[i].pfilename = xstrdup (filename); |
714 | /* Since it is a command-line provided file, which is |
715 | common to all the phases, use it in append mode. */ |
716 | m_extra_dump_files[i].pstate = 1; |
717 | } |
718 | if (old_filename && filename != old_filename) |
719 | free (CONST_CAST (char *, old_filename)); |
720 | } |
721 | } |
722 | |
723 | return n; |
724 | } |
725 | |
726 | /* Enable -fopt-info dumps on all dump files matching OPTGROUP_FLAGS. |
727 | Enable dumps with FLAGS on FILENAME. Return the number of enabled |
728 | dumps. */ |
729 | |
730 | int |
731 | gcc::dump_manager:: |
732 | opt_info_enable_passes (int optgroup_flags, dump_flags_t flags, |
733 | const char *filename) |
734 | { |
735 | int n = 0; |
736 | size_t i; |
737 | |
738 | for (i = TDI_none + 1; i < (size_t) TDI_end; i++) |
739 | { |
740 | if ((dump_files[i].optgroup_flags & optgroup_flags)) |
741 | { |
742 | const char *old_filename = dump_files[i].alt_filename; |
743 | /* Since this file is shared among different passes, it |
744 | should be opened in append mode. */ |
745 | dump_files[i].alt_state = 1; |
746 | dump_files[i].alt_flags |= flags; |
747 | n++; |
748 | /* Override the existing filename. */ |
749 | if (filename) |
750 | dump_files[i].alt_filename = xstrdup (filename); |
751 | if (old_filename && filename != old_filename) |
752 | free (CONST_CAST (char *, old_filename)); |
753 | } |
754 | } |
755 | |
756 | for (i = 0; i < m_extra_dump_files_in_use; i++) |
757 | { |
758 | if ((m_extra_dump_files[i].optgroup_flags & optgroup_flags)) |
759 | { |
760 | const char *old_filename = m_extra_dump_files[i].alt_filename; |
761 | /* Since this file is shared among different passes, it |
762 | should be opened in append mode. */ |
763 | m_extra_dump_files[i].alt_state = 1; |
764 | m_extra_dump_files[i].alt_flags |= flags; |
765 | n++; |
766 | /* Override the existing filename. */ |
767 | if (filename) |
768 | m_extra_dump_files[i].alt_filename = xstrdup (filename); |
769 | if (old_filename && filename != old_filename) |
770 | free (CONST_CAST (char *, old_filename)); |
771 | } |
772 | } |
773 | |
774 | return n; |
775 | } |
776 | |
777 | /* Parse ARG as a dump switch. Return nonzero if it is, and store the |
778 | relevant details in the dump_files array. */ |
779 | |
780 | int |
781 | gcc::dump_manager:: |
782 | dump_switch_p_1 (const char *arg, struct dump_file_info *dfi, bool doglob) |
783 | { |
784 | const char *option_value; |
785 | const char *ptr; |
786 | dump_flags_t flags; |
787 | |
788 | if (doglob && !dfi->glob) |
789 | return 0; |
790 | |
791 | option_value = skip_leading_substring (arg, doglob ? dfi->glob : dfi->swtch); |
792 | if (!option_value) |
793 | return 0; |
794 | |
795 | if (*option_value && *option_value != '-' && *option_value != '=') |
796 | return 0; |
797 | |
798 | ptr = option_value; |
799 | flags = 0; |
800 | |
801 | while (*ptr) |
802 | { |
803 | const struct dump_option_value_info *option_ptr; |
804 | const char *end_ptr; |
805 | const char *eq_ptr; |
806 | unsigned length; |
807 | |
808 | while (*ptr == '-') |
809 | ptr++; |
810 | end_ptr = strchr (ptr, '-'); |
811 | eq_ptr = strchr (ptr, '='); |
812 | |
813 | if (eq_ptr && !end_ptr) |
814 | end_ptr = eq_ptr; |
815 | |
816 | if (!end_ptr) |
817 | end_ptr = ptr + strlen (ptr); |
818 | length = end_ptr - ptr; |
819 | |
820 | for (option_ptr = dump_options; option_ptr->name; option_ptr++) |
821 | if (strlen (option_ptr->name) == length |
822 | && !memcmp (option_ptr->name, ptr, length)) |
823 | { |
824 | flags |= option_ptr->value; |
825 | goto found; |
826 | } |
827 | |
828 | if (*ptr == '=') |
829 | { |
830 | /* Interpret rest of the argument as a dump filename. This |
831 | filename overrides other command line filenames. */ |
832 | if (dfi->pfilename) |
833 | free (CONST_CAST (char *, dfi->pfilename)); |
834 | dfi->pfilename = xstrdup (ptr + 1); |
835 | break; |
836 | } |
837 | else |
838 | warning (0, "ignoring unknown option %q.*s in %<-fdump-%s%>" , |
839 | length, ptr, dfi->swtch); |
840 | found:; |
841 | ptr = end_ptr; |
842 | } |
843 | |
844 | dfi->pstate = -1; |
845 | dfi->pflags |= flags; |
846 | |
847 | /* Process -fdump-tree-all and -fdump-rtl-all, by enabling all the |
848 | known dumps. */ |
849 | if (dfi->suffix == NULL) |
850 | dump_enable_all (dfi->dkind, dfi->pflags, dfi->pfilename); |
851 | |
852 | return 1; |
853 | } |
854 | |
855 | int |
856 | gcc::dump_manager:: |
857 | dump_switch_p (const char *arg) |
858 | { |
859 | size_t i; |
860 | int any = 0; |
861 | |
862 | for (i = TDI_none + 1; i != TDI_end; i++) |
863 | any |= dump_switch_p_1 (arg, &dump_files[i], false); |
864 | |
865 | /* Don't glob if we got a hit already */ |
866 | if (!any) |
867 | for (i = TDI_none + 1; i != TDI_end; i++) |
868 | any |= dump_switch_p_1 (arg, &dump_files[i], true); |
869 | |
870 | for (i = 0; i < m_extra_dump_files_in_use; i++) |
871 | any |= dump_switch_p_1 (arg, &m_extra_dump_files[i], false); |
872 | |
873 | if (!any) |
874 | for (i = 0; i < m_extra_dump_files_in_use; i++) |
875 | any |= dump_switch_p_1 (arg, &m_extra_dump_files[i], true); |
876 | |
877 | |
878 | return any; |
879 | } |
880 | |
881 | /* Parse ARG as a -fopt-info switch and store flags, optgroup_flags |
882 | and filename. Return non-zero if it is a recognized switch. */ |
883 | |
884 | static int |
885 | opt_info_switch_p_1 (const char *arg, dump_flags_t *flags, int *optgroup_flags, |
886 | char **filename) |
887 | { |
888 | const char *option_value; |
889 | const char *ptr; |
890 | |
891 | option_value = arg; |
892 | ptr = option_value; |
893 | |
894 | *filename = NULL; |
895 | *flags = 0; |
896 | *optgroup_flags = 0; |
897 | |
898 | if (!ptr) |
899 | return 1; /* Handle '-fopt-info' without any additional options. */ |
900 | |
901 | while (*ptr) |
902 | { |
903 | const struct dump_option_value_info *option_ptr; |
904 | const char *end_ptr; |
905 | const char *eq_ptr; |
906 | unsigned length; |
907 | |
908 | while (*ptr == '-') |
909 | ptr++; |
910 | end_ptr = strchr (ptr, '-'); |
911 | eq_ptr = strchr (ptr, '='); |
912 | |
913 | if (eq_ptr && !end_ptr) |
914 | end_ptr = eq_ptr; |
915 | |
916 | if (!end_ptr) |
917 | end_ptr = ptr + strlen (ptr); |
918 | length = end_ptr - ptr; |
919 | |
920 | for (option_ptr = optinfo_verbosity_options; option_ptr->name; |
921 | option_ptr++) |
922 | if (strlen (option_ptr->name) == length |
923 | && !memcmp (option_ptr->name, ptr, length)) |
924 | { |
925 | *flags |= option_ptr->value; |
926 | goto found; |
927 | } |
928 | |
929 | for (option_ptr = optgroup_options; option_ptr->name; option_ptr++) |
930 | if (strlen (option_ptr->name) == length |
931 | && !memcmp (option_ptr->name, ptr, length)) |
932 | { |
933 | *optgroup_flags |= option_ptr->value; |
934 | goto found; |
935 | } |
936 | |
937 | if (*ptr == '=') |
938 | { |
939 | /* Interpret rest of the argument as a dump filename. This |
940 | filename overrides other command line filenames. */ |
941 | *filename = xstrdup (ptr + 1); |
942 | break; |
943 | } |
944 | else |
945 | { |
946 | warning (0, "unknown option %q.*s in %<-fopt-info-%s%>" , |
947 | length, ptr, arg); |
948 | return 0; |
949 | } |
950 | found:; |
951 | ptr = end_ptr; |
952 | } |
953 | |
954 | return 1; |
955 | } |
956 | |
957 | /* Return non-zero if ARG is a recognized switch for |
958 | -fopt-info. Return zero otherwise. */ |
959 | |
960 | int |
961 | opt_info_switch_p (const char *arg) |
962 | { |
963 | dump_flags_t flags; |
964 | int optgroup_flags; |
965 | char *filename; |
966 | static char *file_seen = NULL; |
967 | gcc::dump_manager *dumps = g->get_dumps (); |
968 | |
969 | if (!opt_info_switch_p_1 (arg, &flags, &optgroup_flags, &filename)) |
970 | return 0; |
971 | |
972 | if (!filename) |
973 | filename = xstrdup ("stderr" ); |
974 | |
975 | /* Bail out if a different filename has been specified. */ |
976 | if (file_seen && strcmp (file_seen, filename)) |
977 | { |
978 | warning (0, "ignoring possibly conflicting option %<-fopt-info-%s%>" , |
979 | arg); |
980 | return 1; |
981 | } |
982 | |
983 | file_seen = xstrdup (filename); |
984 | if (!flags) |
985 | flags = MSG_OPTIMIZED_LOCATIONS; |
986 | if (!optgroup_flags) |
987 | optgroup_flags = OPTGROUP_ALL; |
988 | |
989 | return dumps->opt_info_enable_passes (optgroup_flags, flags, filename); |
990 | } |
991 | |
992 | /* Print basic block on the dump streams. */ |
993 | |
994 | void |
995 | dump_basic_block (int dump_kind, basic_block bb, int indent) |
996 | { |
997 | if (dump_file && (dump_kind & pflags)) |
998 | dump_bb (dump_file, bb, indent, TDF_DETAILS); |
999 | if (alt_dump_file && (dump_kind & alt_flags)) |
1000 | dump_bb (alt_dump_file, bb, indent, TDF_DETAILS); |
1001 | } |
1002 | |
1003 | /* Dump FUNCTION_DECL FN as tree dump PHASE. */ |
1004 | |
1005 | void |
1006 | dump_function (int phase, tree fn) |
1007 | { |
1008 | FILE *stream; |
1009 | dump_flags_t flags; |
1010 | |
1011 | stream = dump_begin (phase, &flags); |
1012 | if (stream) |
1013 | { |
1014 | dump_function_to_file (fn, stream, flags); |
1015 | dump_end (phase, stream); |
1016 | } |
1017 | } |
1018 | |
1019 | /* Print information from the combine pass on dump_file. */ |
1020 | |
1021 | void |
1022 | print_combine_total_stats (void) |
1023 | { |
1024 | if (dump_file) |
1025 | dump_combine_total_stats (dump_file); |
1026 | } |
1027 | |
1028 | /* Enable RTL dump for all the RTL passes. */ |
1029 | |
1030 | bool |
1031 | enable_rtl_dump_file (void) |
1032 | { |
1033 | gcc::dump_manager *dumps = g->get_dumps (); |
1034 | int num_enabled = |
1035 | dumps->dump_enable_all (DK_rtl, dump_flags_t (TDF_DETAILS) | TDF_BLOCKS, |
1036 | NULL); |
1037 | return num_enabled > 0; |
1038 | } |
1039 | |