aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/dumpfile.c
blob: 8916946b02205a413589197f22983bfb69fea789 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
/* Dump infrastructure for optimizations and intermediate representation.
   Copyright (C) 2012-2014 Free Software Foundation, Inc.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.

GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */

#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "diagnostic-core.h"
#include "dumpfile.h"
#include "tree.h"
#include "gimple-pretty-print.h"
#include "context.h"

/* If non-NULL, return one past-the-end of the matching SUBPART of
   the WHOLE string.  */
#define skip_leading_substring(whole,  part) \
   (strncmp (whole, part, strlen (part)) ? NULL : whole + strlen (part))

static int pflags;                   /* current dump_flags */
static int alt_flags;                /* current opt_info flags */

static void dump_loc (int, FILE *, source_location);
static FILE *dump_open_alternate_stream (struct dump_file_info *);

/* These are currently used for communicating between passes.
   However, instead of accessing them directly, the passes can use
   dump_printf () for dumps.  */
FILE *dump_file = NULL;
FILE *alt_dump_file = NULL;
const char *dump_file_name;
int dump_flags;

/* Table of tree dump switches. This must be consistent with the
   TREE_DUMP_INDEX enumeration in dumpfile.h.  */
static struct dump_file_info dump_files[TDI_end] =
{
  {NULL, NULL, NULL, NULL, NULL, NULL, NULL, 0, 0, 0, 0, 0, 0},
  {".cgraph", "ipa-cgraph", NULL, NULL, NULL, NULL, NULL, TDF_IPA,
   0, 0, 0, 0, 0},
  {".type-inheritance", "ipa-type-inheritance", NULL, NULL, NULL, NULL, NULL, TDF_IPA,
   0, 0, 0, 0, 0},
  {".tu", "translation-unit", NULL, NULL, NULL, NULL, NULL, TDF_TREE,
   0, 0, 0, 0, 1},
  {".class", "class-hierarchy", NULL, NULL, NULL, NULL, NULL, TDF_TREE,
   0, 0, 0, 0, 2},
  {".original", "tree-original", NULL, NULL, NULL, NULL, NULL, TDF_TREE,
   0, 0, 0, 0, 3},
  {".gimple", "tree-gimple", NULL, NULL, NULL, NULL, NULL, TDF_TREE,
   0, 0, 0, 0, 4},
  {".nested", "tree-nested", NULL, NULL, NULL, NULL, NULL, TDF_TREE,
   0, 0, 0, 0, 5},
#define FIRST_AUTO_NUMBERED_DUMP 6

  {NULL, "tree-all", NULL, NULL, NULL, NULL, NULL, TDF_TREE,
   0, 0, 0, 0, 0},
  {NULL, "rtl-all", NULL, NULL, NULL, NULL, NULL, TDF_RTL,
   0, 0, 0, 0, 0},
  {NULL, "ipa-all", NULL, NULL, NULL, NULL, NULL, TDF_IPA,
   0, 0, 0, 0, 0},
};

/* Define a name->number mapping for a dump flag value.  */
struct dump_option_value_info
{
  const char *const name;	/* the name of the value */
  const int value;		/* the value of the name */
};

/* Table of dump options. This must be consistent with the TDF_* flags
   in dumpfile.h and opt_info_options below. */
static const struct dump_option_value_info dump_options[] =
{
  {"address", TDF_ADDRESS},
  {"asmname", TDF_ASMNAME},
  {"slim", TDF_SLIM},
  {"raw", TDF_RAW},
  {"graph", TDF_GRAPH},
  {"details", (TDF_DETAILS | MSG_OPTIMIZED_LOCATIONS
               | MSG_MISSED_OPTIMIZATION
               | MSG_NOTE)},
  {"cselib", TDF_CSELIB},
  {"stats", TDF_STATS},
  {"blocks", TDF_BLOCKS},
  {"vops", TDF_VOPS},
  {"lineno", TDF_LINENO},
  {"uid", TDF_UID},
  {"stmtaddr", TDF_STMTADDR},
  {"memsyms", TDF_MEMSYMS},
  {"verbose", TDF_VERBOSE},
  {"eh", TDF_EH},
  {"alias", TDF_ALIAS},
  {"nouid", TDF_NOUID},
  {"enumerate_locals", TDF_ENUMERATE_LOCALS},
  {"scev", TDF_SCEV},
  {"optimized", MSG_OPTIMIZED_LOCATIONS},
  {"missed", MSG_MISSED_OPTIMIZATION},
  {"note", MSG_NOTE},
  {"optall", MSG_ALL},
  {"all", ~(TDF_RAW | TDF_SLIM | TDF_LINENO | TDF_TREE | TDF_RTL | TDF_IPA
	    | TDF_STMTADDR | TDF_GRAPH | TDF_DIAGNOSTIC | TDF_VERBOSE
	    | TDF_RHS_ONLY | TDF_NOUID | TDF_ENUMERATE_LOCALS | TDF_SCEV)},
  {NULL, 0}
};

/* A subset of the dump_options table which is used for -fopt-info
   types. This must be consistent with the MSG_* flags in dumpfile.h.
 */
static const struct dump_option_value_info optinfo_verbosity_options[] =
{
  {"optimized", MSG_OPTIMIZED_LOCATIONS},
  {"missed", MSG_MISSED_OPTIMIZATION},
  {"note", MSG_NOTE},
  {"all", MSG_ALL},
  {NULL, 0}
};

/* Flags used for -fopt-info groups.  */
static const struct dump_option_value_info optgroup_options[] =
{
  {"ipa", OPTGROUP_IPA},
  {"loop", OPTGROUP_LOOP},
  {"inline", OPTGROUP_INLINE},
  {"vec", OPTGROUP_VEC},
  {"optall", OPTGROUP_ALL},
  {NULL, 0}
};

gcc::dump_manager::dump_manager ():
  m_next_dump (FIRST_AUTO_NUMBERED_DUMP),
  m_extra_dump_files (NULL),
  m_extra_dump_files_in_use (0),
  m_extra_dump_files_alloced (0)
{
}

unsigned int
gcc::dump_manager::
dump_register (const char *suffix, const char *swtch, const char *glob,
	       int flags, int optgroup_flags)
{
  int num = m_next_dump++;

  size_t count = m_extra_dump_files_in_use++;

  if (count >= m_extra_dump_files_alloced)
    {
      if (m_extra_dump_files_alloced == 0)
	m_extra_dump_files_alloced = 32;
      else
	m_extra_dump_files_alloced *= 2;
      m_extra_dump_files = XRESIZEVEC (struct dump_file_info,
				       m_extra_dump_files,
				       m_extra_dump_files_alloced);
    }

  memset (&m_extra_dump_files[count], 0, sizeof (struct dump_file_info));
  m_extra_dump_files[count].suffix = suffix;
  m_extra_dump_files[count].swtch = swtch;
  m_extra_dump_files[count].glob = glob;
  m_extra_dump_files[count].pflags = flags;
  m_extra_dump_files[count].optgroup_flags = optgroup_flags;
  m_extra_dump_files[count].num = num;

  return count + TDI_end;
}


/* Return the dump_file_info for the given phase.  */

struct dump_file_info *
gcc::dump_manager::
get_dump_file_info (int phase) const
{
  if (phase < TDI_end)
    return &dump_files[phase];
  else if ((size_t) (phase - TDI_end) >= m_extra_dump_files_in_use)
    return NULL;
  else
    return m_extra_dump_files + (phase - TDI_end);
}


/* Return the name of the dump file for the given phase.
   If the dump is not enabled, returns NULL.  */

char *
gcc::dump_manager::
get_dump_file_name (int phase) const
{
  char dump_id[10];
  struct dump_file_info *dfi;

  if (phase == TDI_none)
    return NULL;

  dfi = get_dump_file_info (phase);
  if (dfi->pstate == 0)
    return NULL;

  /* If available, use the command line dump filename. */
  if (dfi->pfilename)
    return xstrdup (dfi->pfilename);

  if (dfi->num < 0)
    dump_id[0] = '\0';
  else
    {
      char suffix;
      if (dfi->pflags & TDF_TREE)
	suffix = 't';
      else if (dfi->pflags & TDF_IPA)
	suffix = 'i';
      else
	suffix = 'r';

      if (snprintf (dump_id, sizeof (dump_id), ".%03d%c", dfi->num, suffix) < 0)
	dump_id[0] = '\0';
    }

  return concat (dump_base_name, dump_id, dfi->suffix, NULL);
}

/* For a given DFI, open an alternate dump filename (which could also
   be a standard stream such as stdout/stderr). If the alternate dump
   file cannot be opened, return NULL.  */

static FILE *
dump_open_alternate_stream (struct dump_file_info *dfi)
{
  FILE *stream ;
  if (!dfi->alt_filename)
    return NULL;

  if (dfi->alt_stream)
    return dfi->alt_stream;

  stream = strcmp ("stderr", dfi->alt_filename) == 0
    ? stderr
    : strcmp ("stdout", dfi->alt_filename) == 0
    ? stdout
    : fopen (dfi->alt_filename, dfi->alt_state < 0 ? "w" : "a");

  if (!stream)
    error ("could not open dump file %qs: %m", dfi->alt_filename);
  else
    dfi->alt_state = 1;

  return stream;
}

/* Print source location on DFILE if enabled.  */

void
dump_loc (int dump_kind, FILE *dfile, source_location loc)
{
  if (dump_kind)
    {
      /* Ensure dump message starts on a new line.  */
       fprintf (dfile, "\n");
      if (LOCATION_LOCUS (loc) > BUILTINS_LOCATION)
        fprintf (dfile, "%s:%d:%d: note: ", LOCATION_FILE (loc),
                 LOCATION_LINE (loc), LOCATION_COLUMN (loc));
      else if (current_function_decl)
        fprintf (dfile, "%s:%d:%d: note: ",
                 DECL_SOURCE_FILE (current_function_decl),
                 DECL_SOURCE_LINE (current_function_decl),
                 DECL_SOURCE_COLUMN (current_function_decl));
    }
}

/* Dump gimple statement GS with SPC indentation spaces and
   EXTRA_DUMP_FLAGS on the dump streams if DUMP_KIND is enabled.  */

void
dump_gimple_stmt (int dump_kind, int extra_dump_flags, gimple gs, int spc)
{
  if (dump_file && (dump_kind & pflags))
    print_gimple_stmt (dump_file, gs, spc, dump_flags | extra_dump_flags);

  if (alt_dump_file && (dump_kind & alt_flags))
    print_gimple_stmt (alt_dump_file, gs, spc, dump_flags | extra_dump_flags);
}

/* Similar to dump_gimple_stmt, except additionally print source location.  */

void
dump_gimple_stmt_loc (int dump_kind, source_location loc, int extra_dump_flags,
                      gimple gs, int spc)
{
  if (dump_file && (dump_kind & pflags))
    {
      dump_loc (dump_kind, dump_file, loc);
      print_gimple_stmt (dump_file, gs, spc, dump_flags | extra_dump_flags);
    }

  if (alt_dump_file && (dump_kind & alt_flags))
    {
      dump_loc (dump_kind, alt_dump_file, loc);
      print_gimple_stmt (alt_dump_file, gs, spc, dump_flags | extra_dump_flags);
    }
}

/* Dump expression tree T using EXTRA_DUMP_FLAGS on dump streams if
   DUMP_KIND is enabled.  */

void
dump_generic_expr (int dump_kind, int extra_dump_flags, tree t)
{
  if (dump_file && (dump_kind & pflags))
      print_generic_expr (dump_file, t, dump_flags | extra_dump_flags);

  if (alt_dump_file && (dump_kind & alt_flags))
      print_generic_expr (alt_dump_file, t, dump_flags | extra_dump_flags);
}


/* Similar to dump_generic_expr, except additionally print the source
   location.  */

void
dump_generic_expr_loc (int dump_kind, source_location loc,
                       int extra_dump_flags, tree t)
{
  if (dump_file && (dump_kind & pflags))
    {
      dump_loc (dump_kind, dump_file, loc);
      print_generic_expr (dump_file, t, dump_flags | extra_dump_flags);
    }

  if (alt_dump_file && (dump_kind & alt_flags))
    {
      dump_loc (dump_kind, alt_dump_file, loc);
      print_generic_expr (alt_dump_file, t, dump_flags | extra_dump_flags);
    }
}

/* Output a formatted message using FORMAT on appropriate dump streams.  */

void
dump_printf (int dump_kind, const char *format, ...)
{
  if (dump_file && (dump_kind & pflags))
    {
      va_list ap;
      va_start (ap, format);
      vfprintf (dump_file, format, ap);
      va_end (ap);
    }

  if (alt_dump_file && (dump_kind & alt_flags))
    {
      va_list ap;
      va_start (ap, format);
      vfprintf (alt_dump_file, format, ap);
      va_end (ap);
    }
}

/* Similar to dump_printf, except source location is also printed.  */

void
dump_printf_loc (int dump_kind, source_location loc, const char *format, ...)
{
  if (dump_file && (dump_kind & pflags))
    {
      va_list ap;
      dump_loc (dump_kind, dump_file, loc);
      va_start (ap, format);
      vfprintf (dump_file, format, ap);
      va_end (ap);
    }

  if (alt_dump_file && (dump_kind & alt_flags))
    {
      va_list ap;
      dump_loc (dump_kind, alt_dump_file, loc);
      va_start (ap, format);
      vfprintf (alt_dump_file, format, ap);
      va_end (ap);
    }
}

/* Start a dump for PHASE. Store user-supplied dump flags in
   *FLAG_PTR.  Return the number of streams opened.  Set globals
   DUMP_FILE, and ALT_DUMP_FILE to point to the opened streams, and
   set dump_flags appropriately for both pass dump stream and
   -fopt-info stream. */

int
gcc::dump_manager::
dump_start (int phase, int *flag_ptr)
{
  int count = 0;
  char *name;
  struct dump_file_info *dfi;
  FILE *stream;
  if (phase == TDI_none || !dump_phase_enabled_p (phase))
    return 0;

  dfi = get_dump_file_info (phase);
  name = get_dump_file_name (phase);
  if (name)
    {
      stream = strcmp ("stderr", name) == 0
          ? stderr
          : strcmp ("stdout", name) == 0
          ? stdout
          : fopen (name, dfi->pstate < 0 ? "w" : "a");
      if (!stream)
        error ("could not open dump file %qs: %m", name);
      else
        {
          dfi->pstate = 1;
          count++;
        }
      free (name);
      dfi->pstream = stream;
      dump_file = dfi->pstream;
      /* Initialize current dump flags. */
      pflags = dfi->pflags;
    }

  stream = dump_open_alternate_stream (dfi);
  if (stream)
    {
      dfi->alt_stream = stream;
      count++;
      alt_dump_file = dfi->alt_stream;
      /* Initialize current -fopt-info flags. */
      alt_flags = dfi->alt_flags;
    }

  if (flag_ptr)
    *flag_ptr = dfi->pflags;

  return count;
}

/* Finish a tree dump for PHASE and close associated dump streams.  Also
   reset the globals DUMP_FILE, ALT_DUMP_FILE, and DUMP_FLAGS.  */

void
gcc::dump_manager::
dump_finish (int phase)
{
  struct dump_file_info *dfi;

  if (phase < 0)
    return;
  dfi = get_dump_file_info (phase);
  if (dfi->pstream && (!dfi->pfilename
                       || (strcmp ("stderr", dfi->pfilename) != 0
                           && strcmp ("stdout", dfi->pfilename) != 0)))
    fclose (dfi->pstream);

  if (dfi->alt_stream && strcmp ("stderr", dfi->alt_filename) != 0
      && strcmp ("stdout", dfi->alt_filename) != 0)
    fclose (dfi->alt_stream);

  dfi->alt_stream = NULL;
  dfi->pstream = NULL;
  dump_file = NULL;
  alt_dump_file = NULL;
  dump_flags = TDI_none;
  alt_flags = 0;
  pflags = 0;
}

/* Begin a tree dump for PHASE. Stores any user supplied flag in
   *FLAG_PTR and returns a stream to write to. If the dump is not
   enabled, returns NULL.
   Multiple calls will reopen and append to the dump file.  */

FILE *
dump_begin (int phase, int *flag_ptr)
{
  return g->get_dumps ()->dump_begin (phase, flag_ptr);
}

FILE *
gcc::dump_manager::
dump_begin (int phase, int *flag_ptr)
{
  char *name;
  struct dump_file_info *dfi;
  FILE *stream;

  if (phase == TDI_none || !dump_phase_enabled_p (phase))
    return NULL;

  name = get_dump_file_name (phase);
  if (!name)
    return NULL;
  dfi = get_dump_file_info (phase);

  stream = strcmp ("stderr", name) == 0
    ? stderr
    : strcmp ("stdout", name) == 0
    ? stdout
    : fopen (name, dfi->pstate < 0 ? "w" : "a");

  if (!stream)
    error ("could not open dump file %qs: %m", name);
  else
    dfi->pstate = 1;
  free (name);

  if (flag_ptr)
    *flag_ptr = dfi->pflags;

  /* Initialize current flags */
  pflags = dfi->pflags;
  return stream;
}

/* Returns nonzero if dump PHASE is enabled for at least one stream.
   If PHASE is TDI_tree_all, return nonzero if any dump is enabled for
   any phase.  */

int
gcc::dump_manager::
dump_phase_enabled_p (int phase) const
{
  if (phase == TDI_tree_all)
    {
      size_t i;
      for (i = TDI_none + 1; i < (size_t) TDI_end; i++)
	if (dump_files[i].pstate || dump_files[i].alt_state)
	  return 1;
      for (i = 0; i < m_extra_dump_files_in_use; i++)
	if (m_extra_dump_files[i].pstate || m_extra_dump_files[i].alt_state)
	  return 1;
      return 0;
    }
  else
    {
      struct dump_file_info *dfi = get_dump_file_info (phase);
      return dfi->pstate || dfi->alt_state;
    }
}

/* Returns nonzero if tree dump PHASE has been initialized.  */

int
gcc::dump_manager::
dump_initialized_p (int phase) const
{
  struct dump_file_info *dfi = get_dump_file_info (phase);
  return dfi->pstate > 0 || dfi->alt_state > 0;
}

/* Returns the switch name of PHASE.  */

const char *
dump_flag_name (int phase)
{
  return g->get_dumps ()->dump_flag_name (phase);
}

const char *
gcc::dump_manager::
dump_flag_name (int phase) const
{
  struct dump_file_info *dfi = get_dump_file_info (phase);
  return dfi->swtch;
}

/* Finish a tree dump for PHASE. STREAM is the stream created by
   dump_begin.  */

void
dump_end (int phase ATTRIBUTE_UNUSED, FILE *stream)
{
  if (stream != stderr && stream != stdout)
    fclose (stream);
}

/* Enable all tree dumps with FLAGS on FILENAME.  Return number of
   enabled tree dumps.  */

int
gcc::dump_manager::
dump_enable_all (int flags, const char *filename)
{
  int ir_dump_type = (flags & (TDF_TREE | TDF_RTL | TDF_IPA));
  int n = 0;
  size_t i;

  for (i = TDI_none + 1; i < (size_t) TDI_end; i++)
    {
      if ((dump_files[i].pflags & ir_dump_type))
        {
          const char *old_filename = dump_files[i].pfilename;
          dump_files[i].pstate = -1;
          dump_files[i].pflags |= flags;
          n++;
          /* Override the existing filename.  */
          if (filename)
            {
              dump_files[i].pfilename = xstrdup (filename);
              /* Since it is a command-line provided file, which is
                 common to all the phases, use it in append mode.  */
              dump_files[i].pstate = 1;
            }
          if (old_filename && filename != old_filename)
            free (CONST_CAST (char *, old_filename));
        }
    }

  for (i = 0; i < m_extra_dump_files_in_use; i++)
    {
      if ((m_extra_dump_files[i].pflags & ir_dump_type))
        {
          const char *old_filename = m_extra_dump_files[i].pfilename;
          m_extra_dump_files[i].pstate = -1;
          m_extra_dump_files[i].pflags |= flags;
          n++;
          /* Override the existing filename.  */
          if (filename)
            {
              m_extra_dump_files[i].pfilename = xstrdup (filename);
              /* Since it is a command-line provided file, which is
                 common to all the phases, use it in append mode.  */
              m_extra_dump_files[i].pstate = 1;
            }
          if (old_filename && filename != old_filename)
            free (CONST_CAST (char *, old_filename));
        }
    }

  return n;
}

/* Enable -fopt-info dumps on all dump files matching OPTGROUP_FLAGS.
   Enable dumps with FLAGS on FILENAME.  Return the number of enabled
   dumps.  */

int
gcc::dump_manager::
opt_info_enable_passes (int optgroup_flags, int flags, const char *filename)
{
  int n = 0;
  size_t i;

  for (i = TDI_none + 1; i < (size_t) TDI_end; i++)
    {
      if ((dump_files[i].optgroup_flags & optgroup_flags))
        {
          const char *old_filename = dump_files[i].alt_filename;
          /* Since this file is shared among different passes, it
             should be opened in append mode.  */
          dump_files[i].alt_state = 1;
          dump_files[i].alt_flags |= flags;
          n++;
          /* Override the existing filename.  */
          if (filename)
            dump_files[i].alt_filename = xstrdup (filename);
          if (old_filename && filename != old_filename)
            free (CONST_CAST (char *, old_filename));
        }
    }

  for (i = 0; i < m_extra_dump_files_in_use; i++)
    {
      if ((m_extra_dump_files[i].optgroup_flags & optgroup_flags))
        {
          const char *old_filename = m_extra_dump_files[i].alt_filename;
          /* Since this file is shared among different passes, it
             should be opened in append mode.  */
          m_extra_dump_files[i].alt_state = 1;
          m_extra_dump_files[i].alt_flags |= flags;
          n++;
          /* Override the existing filename.  */
          if (filename)
            m_extra_dump_files[i].alt_filename = xstrdup (filename);
          if (old_filename && filename != old_filename)
            free (CONST_CAST (char *, old_filename));
        }
    }

  return n;
}

/* Parse ARG as a dump switch. Return nonzero if it is, and store the
   relevant details in the dump_files array.  */

int
gcc::dump_manager::
dump_switch_p_1 (const char *arg, struct dump_file_info *dfi, bool doglob)
{
  const char *option_value;
  const char *ptr;
  int flags;

  if (doglob && !dfi->glob)
    return 0;

  option_value = skip_leading_substring (arg, doglob ? dfi->glob : dfi->swtch);
  if (!option_value)
    return 0;

  if (*option_value && *option_value != '-' && *option_value != '=')
    return 0;

  ptr = option_value;
  flags = 0;

  while (*ptr)
    {
      const struct dump_option_value_info *option_ptr;
      const char *end_ptr;
      const char *eq_ptr;
      unsigned length;

      while (*ptr == '-')
	ptr++;
      end_ptr = strchr (ptr, '-');
      eq_ptr = strchr (ptr, '=');

      if (eq_ptr && !end_ptr)
        end_ptr = eq_ptr;

      if (!end_ptr)
	end_ptr = ptr + strlen (ptr);
      length = end_ptr - ptr;

      for (option_ptr = dump_options; option_ptr->name; option_ptr++)
	if (strlen (option_ptr->name) == length
	    && !memcmp (option_ptr->name, ptr, length))
          {
            flags |= option_ptr->value;
	    goto found;
          }

      if (*ptr == '=')
        {
          /* Interpret rest of the argument as a dump filename.  This
             filename overrides other command line filenames.  */
          if (dfi->pfilename)
            free (CONST_CAST (char *, dfi->pfilename));
          dfi->pfilename = xstrdup (ptr + 1);
          break;
        }
      else
        warning (0, "ignoring unknown option %q.*s in %<-fdump-%s%>",
                 length, ptr, dfi->swtch);
    found:;
      ptr = end_ptr;
    }

  dfi->pstate = -1;
  dfi->pflags |= flags;

  /* Process -fdump-tree-all and -fdump-rtl-all, by enabling all the
     known dumps.  */
  if (dfi->suffix == NULL)
    dump_enable_all (dfi->pflags, dfi->pfilename);

  return 1;
}

int
gcc::dump_manager::
dump_switch_p (const char *arg)
{
  size_t i;
  int any = 0;

  for (i = TDI_none + 1; i != TDI_end; i++)
    any |= dump_switch_p_1 (arg, &dump_files[i], false);

  /* Don't glob if we got a hit already */
  if (!any)
    for (i = TDI_none + 1; i != TDI_end; i++)
      any |= dump_switch_p_1 (arg, &dump_files[i], true);

  for (i = 0; i < m_extra_dump_files_in_use; i++)
    any |= dump_switch_p_1 (arg, &m_extra_dump_files[i], false);

  if (!any)
    for (i = 0; i < m_extra_dump_files_in_use; i++)
      any |= dump_switch_p_1 (arg, &m_extra_dump_files[i], true);


  return any;
}

/* Parse ARG as a -fopt-info switch and store flags, optgroup_flags
   and filename.  Return non-zero if it is a recognized switch.  */

static int
opt_info_switch_p_1 (const char *arg, int *flags, int *optgroup_flags,
                     char **filename)
{
  const char *option_value;
  const char *ptr;

  option_value = arg;
  ptr = option_value;

  *filename = NULL;
  *flags = 0;
  *optgroup_flags = 0;

  if (!ptr)
    return 1;       /* Handle '-fopt-info' without any additional options.  */

  while (*ptr)
    {
      const struct dump_option_value_info *option_ptr;
      const char *end_ptr;
      const char *eq_ptr;
      unsigned length;

      while (*ptr == '-')
	ptr++;
      end_ptr = strchr (ptr, '-');
      eq_ptr = strchr (ptr, '=');

      if (eq_ptr && !end_ptr)
        end_ptr = eq_ptr;

      if (!end_ptr)
	end_ptr = ptr + strlen (ptr);
      length = end_ptr - ptr;

      for (option_ptr = optinfo_verbosity_options; option_ptr->name;
           option_ptr++)
	if (strlen (option_ptr->name) == length
	    && !memcmp (option_ptr->name, ptr, length))
          {
            *flags |= option_ptr->value;
	    goto found;
          }

      for (option_ptr = optgroup_options; option_ptr->name; option_ptr++)
	if (strlen (option_ptr->name) == length
	    && !memcmp (option_ptr->name, ptr, length))
          {
            *optgroup_flags |= option_ptr->value;
	    goto found;
          }

      if (*ptr == '=')
        {
          /* Interpret rest of the argument as a dump filename.  This
             filename overrides other command line filenames.  */
          *filename = xstrdup (ptr + 1);
          break;
        }
      else
        {
          warning (0, "unknown option %q.*s in %<-fopt-info-%s%>",
                   length, ptr, arg);
          return 0;
        }
    found:;
      ptr = end_ptr;
    }

  return 1;
}

/* Return non-zero if ARG is a recognized switch for
   -fopt-info. Return zero otherwise.  */

int
opt_info_switch_p (const char *arg)
{
  int flags;
  int optgroup_flags;
  char *filename;
  static char *file_seen = NULL;
  gcc::dump_manager *dumps = g->get_dumps ();

  if (!opt_info_switch_p_1 (arg, &flags, &optgroup_flags, &filename))
    return 0;

  if (!filename)
    filename = xstrdup ("stderr");

  /* Bail out if a different filename has been specified.  */
  if (file_seen && strcmp (file_seen, filename))
    {
      warning (0, "ignoring possibly conflicting option %<-fopt-info-%s%>",
               arg);
      return 1;
    }

  file_seen = xstrdup (filename);
  if (!flags)
    flags = MSG_OPTIMIZED_LOCATIONS;
  if (!optgroup_flags)
    optgroup_flags = OPTGROUP_ALL;

  return dumps->opt_info_enable_passes (optgroup_flags, flags, filename);
}

/* Print basic block on the dump streams.  */

void
dump_basic_block (int dump_kind, basic_block bb, int indent)
{
  if (dump_file && (dump_kind & pflags))
    dump_bb (dump_file, bb, indent, TDF_DETAILS);
  if (alt_dump_file && (dump_kind & alt_flags))
    dump_bb (alt_dump_file, bb, indent, TDF_DETAILS);
}

/* Print information from the combine pass on dump_file.  */

void
print_combine_total_stats (void)
{
  if (dump_file)
    dump_combine_total_stats (dump_file);
}

/* Enable RTL dump for all the RTL passes.  */

bool
enable_rtl_dump_file (void)
{
  gcc::dump_manager *dumps = g->get_dumps ();
  int num_enabled =
    dumps->dump_enable_all (TDF_RTL | TDF_DETAILS | TDF_BLOCKS, NULL);
  return num_enabled > 0;
}