aboutsummaryrefslogtreecommitdiff
path: root/gdb/symmisc.c
blob: bfc8dc5cb11b75539a9d04edaadab6ecedfecd0a (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
/* Do various things to symbol tables (other than lookup), for GDB.
   Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.

This file is part of GDB.

This program 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 2 of the License, or
(at your option) any later version.

This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

#include "defs.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "bfd.h"
#include "symfile.h"
#include "objfiles.h"
#include "breakpoint.h"
#include "command.h"
#include "obstack.h"
#include "language.h"

#include <string.h>

#ifndef DEV_TTY
#define DEV_TTY "/dev/tty"
#endif

/* Unfortunately for debugging, stderr is usually a macro.  This is painful
   when calling functions that take FILE *'s from the debugger.
   So we make a variable which has the same value and which is accessible when
   debugging GDB with itself.  Because stdin et al need not be constants,
   we initialize them in the _initialize_symmisc function at the bottom
   of the file.  */
FILE *std_in;
FILE *std_out;
FILE *std_err;

/* Prototypes for local functions */

static void 
dump_symtab PARAMS ((struct objfile *, struct symtab *, GDB_FILE *));

static void 
dump_psymtab PARAMS ((struct objfile *, struct partial_symtab *, GDB_FILE *));

static void 
dump_msymbols PARAMS ((struct objfile *, GDB_FILE *));

static void 
dump_objfile PARAMS ((struct objfile *));

static int
block_depth PARAMS ((struct block *));

static void
print_partial_symbol PARAMS ((struct partial_symbol *, int, char *, GDB_FILE *));

struct print_symbol_args {
  struct symbol *symbol;
  int depth;
  GDB_FILE *outfile;
};

static int print_symbol PARAMS ((char *));

static void
free_symtab_block PARAMS ((struct objfile *, struct block *));


/* Free a struct block <- B and all the symbols defined in that block.  */

static void
free_symtab_block (objfile, b)
     struct objfile *objfile;
     struct block *b;
{
  register int i, n;
  n = BLOCK_NSYMS (b);
  for (i = 0; i < n; i++)
    {
      mfree (objfile -> md, SYMBOL_NAME (BLOCK_SYM (b, i)));
      mfree (objfile -> md, (PTR) BLOCK_SYM (b, i));
    }
  mfree (objfile -> md, (PTR) b);
}

/* Free all the storage associated with the struct symtab <- S.
   Note that some symtabs have contents malloc'ed structure by structure,
   while some have contents that all live inside one big block of memory,
   and some share the contents of another symbol table and so you should
   not free the contents on their behalf (except sometimes the linetable,
   which maybe per symtab even when the rest is not).
   It is s->free_code that says which alternative to use.  */

void
free_symtab (s)
     register struct symtab *s;
{
  register int i, n;
  register struct blockvector *bv;

  switch (s->free_code)
    {
    case free_nothing:
      /* All the contents are part of a big block of memory (an obstack),
	 and some other symtab is in charge of freeing that block.
	 Therefore, do nothing.  */
      break;

    case free_contents:
      /* Here all the contents were malloc'ed structure by structure
	 and must be freed that way.  */
      /* First free the blocks (and their symbols.  */
      bv = BLOCKVECTOR (s);
      n = BLOCKVECTOR_NBLOCKS (bv);
      for (i = 0; i < n; i++)
	free_symtab_block (s -> objfile, BLOCKVECTOR_BLOCK (bv, i));
      /* Free the blockvector itself.  */
      mfree (s -> objfile -> md, (PTR) bv);
      /* Also free the linetable.  */
      
    case free_linetable:
      /* Everything will be freed either by our `free_ptr'
	 or by some other symtab, except for our linetable.
	 Free that now.  */
      if (LINETABLE (s))
	mfree (s -> objfile -> md, (PTR) LINETABLE (s));
      break;
    }

  /* If there is a single block of memory to free, free it.  */
  if (s -> free_ptr != NULL)
    mfree (s -> objfile -> md, s -> free_ptr);

  /* Free source-related stuff */
  if (s -> line_charpos != NULL)
    mfree (s -> objfile -> md, (PTR) s -> line_charpos);
  if (s -> fullname != NULL)
    mfree (s -> objfile -> md, s -> fullname);
  mfree (s -> objfile -> md, (PTR) s);
}

#if MAINTENANCE_CMDS

static void 
dump_objfile (objfile)
     struct objfile *objfile;
{
  struct symtab *symtab;
  struct partial_symtab *psymtab;

  printf_filtered ("\nObject file %s:  ", objfile -> name);
  printf_filtered ("Objfile at ");
  gdb_print_address (objfile, gdb_stdout);
  printf_filtered (", bfd at ");
  gdb_print_address (objfile->obfd, gdb_stdout);
  printf_filtered (", %d minsyms\n\n",
		   objfile->minimal_symbol_count);

  if (objfile -> psymtabs)
    {
      printf_filtered ("Psymtabs:\n");
      for (psymtab = objfile -> psymtabs;
	   psymtab != NULL;
	   psymtab = psymtab -> next)
	{
	  printf_filtered ("%s at ",
			   psymtab -> filename);
	  gdb_print_address (psymtab);
	  printf_filtered (", ");
	  if (psymtab -> objfile != objfile)
	    {
	      printf_filtered ("NOT ON CHAIN!  ");
	    }
	  wrap_here ("  ");
	}
      printf_filtered ("\n\n");
    }

  if (objfile -> symtabs)
    {
      printf_filtered ("Symtabs:\n");
      for (symtab = objfile -> symtabs;
	   symtab != NULL;
	   symtab = symtab->next)
	{
	  printf_filtered ("%s at ", symtab -> filename);
	  gdb_print_address (symtab);
	  printf_filtered (", ");
	  if (symtab -> objfile != objfile)
	    {
	      printf_filtered ("NOT ON CHAIN!  ");
	    }
	  wrap_here ("  ");
	}
      printf_filtered ("\n\n");
    }
}

/* Print minimal symbols from this objfile.  */
 
static void 
dump_msymbols (objfile, outfile)
     struct objfile *objfile;
     GDB_FILE *outfile;
{
  struct minimal_symbol *msymbol;
  int index;
  char ms_type;
  
  fprintf_filtered (outfile, "\nObject file %s:\n\n", objfile -> name);
  if (objfile -> minimal_symbol_count == 0)
    {
      fprintf_filtered (outfile, "No minimal symbols found.\n");
      return;
    }
  for (index = 0, msymbol = objfile -> msymbols;
       SYMBOL_NAME (msymbol) != NULL; msymbol++, index++)
    {
      switch (msymbol -> type)
	{
	  case mst_unknown:
	    ms_type = 'u';
	    break;
	  case mst_text:
	    ms_type = 'T';
	    break;
	  case mst_data:
	    ms_type = 'D';
	    break;
	  case mst_bss:
	    ms_type = 'B';
	    break;
	  case mst_abs:
	    ms_type = 'A';
	    break;
	  case mst_file_text:
	    ms_type = 't';
	    break;
	  case mst_file_data:
	    ms_type = 'd';
	    break;
	  case mst_file_bss:
	    ms_type = 'b';
	    break;
	  default:
	    ms_type = '?';
	    break;
	}
      fprintf_filtered (outfile, "[%2d] %c %#10lx %s", index, ms_type,
			SYMBOL_VALUE_ADDRESS (msymbol), SYMBOL_NAME (msymbol));
      if (SYMBOL_DEMANGLED_NAME (msymbol) != NULL)
	{
	  fprintf_filtered (outfile, "  %s", SYMBOL_DEMANGLED_NAME (msymbol));
	}
      fputs_filtered ("\n", outfile);
    }
  if (objfile -> minimal_symbol_count != index)
    {
      warning ("internal error:  minimal symbol count %d != %d",
	       objfile -> minimal_symbol_count, index);
    }
  fprintf_filtered (outfile, "\n");
}

static void
dump_psymtab (objfile, psymtab, outfile)
     struct objfile *objfile;
     struct partial_symtab *psymtab;
     GDB_FILE *outfile;
{
  int i;

  fprintf_filtered (outfile, "\nPartial symtab for source file %s ",
		    psymtab -> filename);
  fprintf_filtered (outfile, "(object )");
  gdb_print_address (psymtab, outfile);
  fprintf_filtered (outfile, ")\n\n");
  fprintf_unfiltered (outfile, "  Read from object file %s (",
		      objfile -> name);
  gdb_print_address (objfile, outfile);
  fprintf_unfiltered (outfile, ")\n");

  if (psymtab -> readin)
    {
      fprintf_filtered (outfile,
		"  Full symtab was read (at ");
      gdb_print_address (psymtab->symtab, outfile);
      fprintf_filtered (outfile, " by function at ");
      gdb_print_address (psymtab->read_symtab, outfile);
      fprintf_filtered (outfile, ")\n");
    }

  fprintf_filtered (outfile, "  Relocate symbols by ");
  for (i = 0; i < psymtab->objfile->num_sections; ++i)
    {
      wrap_here ("    ");
      print_address_numeric (ANOFFSET (psymtab->section_offsets, i), outfile);
      fprintf_filtered (outfile, ", ");
    }

  fprintf_filtered (outfile, "  Symbols cover text addresses ");
  print_address_numeric (psymtab->textlow, outfile);
  fprintf_filtered (outfile, "-");
  print_address_numeric (psymtab->texthigh, outfile);
  fprintf_filtered (outfile, "\n");
  fprintf_filtered (outfile, "  Depends on %d other partial symtabs.\n",
		    psymtab -> number_of_dependencies);
  for (i = 0; i < psymtab -> number_of_dependencies; i++)
    {
      fprintf_filtered (outfile, "    %d ", i);
      gdb_print_address (psymtab -> dependencies[i], outfile);
      fprintf_filtered (outfile, " %s\n",
			psymtab -> dependencies[i] -> filename);
    }
  if (psymtab -> n_global_syms > 0)
    {
      print_partial_symbol (objfile -> global_psymbols.list
			    + psymtab -> globals_offset,
			    psymtab -> n_global_syms, "Global", outfile);
    }
  if (psymtab -> n_static_syms > 0)
    {
      print_partial_symbol (objfile -> static_psymbols.list
			    + psymtab -> statics_offset,
			    psymtab -> n_static_syms, "Static", outfile);
    }
  fprintf_filtered (outfile, "\n");
}

static void 
dump_symtab (objfile, symtab, outfile)
     struct objfile *objfile;
     struct symtab *symtab;
     GDB_FILE *outfile;
{
  register int i, j;
  int len, blen;
  register struct linetable *l;
  struct blockvector *bv;
  register struct block *b;
  int depth;

  fprintf_filtered (outfile, "\nSymtab for file %s\n", symtab->filename);
  fprintf_filtered (outfile, "Read from object file %s (", objfile->name);
  gdb_print_address (objfile, outfile);
  fprintf_filtered (outfile, ")\n");
  fprintf_filtered (outfile, "Language: %s\n", language_str (symtab -> language));

  /* First print the line table.  */
  l = LINETABLE (symtab);
  if (l)
    {
      fprintf_filtered (outfile, "\nLine table:\n\n");
      len = l->nitems;
      for (i = 0; i < len; i++)
	{
	  fprintf_filtered (outfile, " line %d at ", l->item[i].line);
	  print_address_numeric (l->item[i].pc, outfile);
	  fprintf_filtered (outfile, "\n");
	}
    }
  /* Now print the block info.  */
  fprintf_filtered (outfile, "\nBlockvector:\n\n");
  bv = BLOCKVECTOR (symtab);
  len = BLOCKVECTOR_NBLOCKS (bv);
  for (i = 0; i < len; i++)
    {
      b = BLOCKVECTOR_BLOCK (bv, i);
      depth = block_depth (b) * 2;
      print_spaces (depth, outfile);
      fprintf_filtered (outfile, "block #%03d (object ", i);
      gdb_print_address (b, outfile);
      fprintf_filtered (outfile, ") ");
      fprintf_filtered (outfile, "[");
      print_address_numeric (BLOCK_START (b), outfile);
      fprintf_filtered (outfile, "..");
      print_address_numeric (BLOCK_END (b), outfile);
      fprintf_filtered (outfile, "]");
      if (BLOCK_SUPERBLOCK (b))
	{
	  fprintf_filtered (outfile, " (under ");
	  gdb_print_address (BLOCK_SUPERBLOCK (b), outfile);
	  fprintf_filtered (outfile, ")");
	}
      if (BLOCK_FUNCTION (b))
	{
	  fprintf_filtered (outfile, " %s", SYMBOL_NAME (BLOCK_FUNCTION (b)));
	  if (SYMBOL_DEMANGLED_NAME (BLOCK_FUNCTION (b)) != NULL)
	    {
	      fprintf_filtered (outfile, " %s",
		       SYMBOL_DEMANGLED_NAME (BLOCK_FUNCTION (b)));
	    }
	}
      if (BLOCK_GCC_COMPILED(b))
	fprintf_filtered (outfile, " gcc%d compiled", BLOCK_GCC_COMPILED(b));
      fputc_filtered ('\n', outfile);
      blen = BLOCK_NSYMS (b);
      for (j = 0; j < blen; j++)
	{
	  struct print_symbol_args s;
	  s.symbol = BLOCK_SYM (b, j);
	  s.depth = depth + 1;
	  s.outfile = outfile;
	  catch_errors (print_symbol, &s, "Error printing symbol:\n",
			RETURN_MASK_ERROR);
	}
    }
  fprintf_filtered (outfile, "\n");
}

void
maintenance_print_symbols (args, from_tty)
     char *args;
     int from_tty;
{
  char **argv;
  GDB_FILE *outfile;
  struct cleanup *cleanups;
  char *symname = NULL;
  char *filename = DEV_TTY;
  struct objfile *objfile;
  struct symtab *s;

  dont_repeat ();

  if (args == NULL)
    {
      error ("print-symbols takes an output file name and optional symbol file name");
    }
  else if ((argv = buildargv (args)) == NULL)
    {
      nomem (0);
    }
  cleanups = make_cleanup (freeargv, (char *) argv);

  if (argv[0] != NULL)
    {
      filename = argv[0];
      /* If a second arg is supplied, it is a source file name to match on */
      if (argv[1] != NULL)
	{
	  symname = argv[1];
	}
    }

  filename = tilde_expand (filename);
  make_cleanup (free, filename);
  
  outfile = gdb_fopen (filename, FOPEN_WT);
  if (outfile == 0)
    perror_with_name (filename);
  make_cleanup (fclose, (char *) outfile);

  immediate_quit++;
  ALL_SYMTABS (objfile, s)
    if (symname == NULL || (STREQ (symname, s -> filename)))
      dump_symtab (objfile, s, outfile);
  immediate_quit--;
  do_cleanups (cleanups);
}

/* Print symbol ARGS->SYMBOL on ARGS->OUTFILE.  ARGS->DEPTH says how
   far to indent.  ARGS is really a struct print_symbol_args *, but is
   declared as char * to get it past catch_errors.  Returns 0 for error,
   1 for success.  */

static int
print_symbol (args)
     char *args;
{
  struct symbol *symbol = ((struct print_symbol_args *)args)->symbol;
  int depth = ((struct print_symbol_args *)args)->depth;
  GDB_FILE *outfile = ((struct print_symbol_args *)args)->outfile;

  print_spaces (depth, outfile);
  if (SYMBOL_NAMESPACE (symbol) == LABEL_NAMESPACE)
    {
      fprintf_filtered (outfile, "label %s at ", SYMBOL_SOURCE_NAME (symbol));
      print_address_numeric (SYMBOL_VALUE_ADDRESS (symbol), outfile);
      fprintf_filtered (outfile, "\n");
      return 1;
    }
  if (SYMBOL_NAMESPACE (symbol) == STRUCT_NAMESPACE)
    {
      if (TYPE_TAG_NAME (SYMBOL_TYPE (symbol)))
	{
	  LA_PRINT_TYPE (SYMBOL_TYPE (symbol), "", outfile, 1, depth);
	}
      else
	{
	  fprintf_filtered (outfile, "%s %s = ",
	       (TYPE_CODE (SYMBOL_TYPE (symbol)) == TYPE_CODE_ENUM
		? "enum"
		: (TYPE_CODE (SYMBOL_TYPE (symbol)) == TYPE_CODE_STRUCT
		   ? "struct" : "union")),
	       SYMBOL_NAME (symbol));
	  LA_PRINT_TYPE (SYMBOL_TYPE (symbol), "", outfile, 1, depth);
	}
      fprintf_filtered (outfile, ";\n");
    }
  else
    {
      if (SYMBOL_CLASS (symbol) == LOC_TYPEDEF)
	fprintf_filtered (outfile, "typedef ");
      if (SYMBOL_TYPE (symbol))
	{
	  /* Print details of types, except for enums where it's clutter.  */
	  LA_PRINT_TYPE (SYMBOL_TYPE (symbol), SYMBOL_SOURCE_NAME (symbol),
			 outfile,
			 TYPE_CODE (SYMBOL_TYPE (symbol)) != TYPE_CODE_ENUM,
			 depth);
	  fprintf_filtered (outfile, "; ");
	}
      else
	fprintf_filtered (outfile, "%s ", SYMBOL_SOURCE_NAME (symbol));

      switch (SYMBOL_CLASS (symbol))
	{
	case LOC_CONST:
	  fprintf_filtered (outfile, "const %ld (0x%lx),",
			    SYMBOL_VALUE (symbol),
			    SYMBOL_VALUE (symbol));
	  break;

	case LOC_CONST_BYTES:
	  fprintf_filtered (outfile, "const %u hex bytes:",
		   TYPE_LENGTH (SYMBOL_TYPE (symbol)));
	  {
	    unsigned i;
	    for (i = 0; i < TYPE_LENGTH (SYMBOL_TYPE (symbol)); i++)
	      fprintf_filtered (outfile, " %02x",
			 (unsigned)SYMBOL_VALUE_BYTES (symbol) [i]);
	    fprintf_filtered (outfile, ",");
	  }
	  break;

	case LOC_STATIC:
	  fprintf_filtered (outfile, "static at ");
	  print_address_numeric (SYMBOL_VALUE_ADDRESS (symbol), outfile);
	  fprintf_filtered (outfile, ",");
	  break;

	case LOC_REGISTER:
	  fprintf_filtered (outfile, "register %ld,", SYMBOL_VALUE (symbol));
	  break;

	case LOC_ARG:
	  fprintf_filtered (outfile, "arg at offset 0x%lx,",
			    SYMBOL_VALUE (symbol));
	  break;

	case LOC_LOCAL_ARG:
	  fprintf_filtered (outfile, "arg at offset 0x%lx from fp,",
		   SYMBOL_VALUE (symbol));
	  break;

	case LOC_REF_ARG:
	  fprintf_filtered (outfile, "reference arg at 0x%lx,", SYMBOL_VALUE (symbol));
	  break;

	case LOC_REGPARM:
	  fprintf_filtered (outfile, "parameter register %ld,", SYMBOL_VALUE (symbol));
	  break;

	case LOC_REGPARM_ADDR:
	  fprintf_filtered (outfile, "address parameter register %ld,", SYMBOL_VALUE (symbol));
	  break;

	case LOC_LOCAL:
	  fprintf_filtered (outfile, "local at offset 0x%lx,",
			    SYMBOL_VALUE (symbol));
	  break;

	case LOC_BASEREG:
	  fprintf_filtered (outfile, "local at 0x%lx from register %d",
		   SYMBOL_VALUE (symbol), SYMBOL_BASEREG (symbol));
	  break;

	case LOC_BASEREG_ARG:
	  fprintf_filtered (outfile, "arg at 0x%lx from register %d,",
		   SYMBOL_VALUE (symbol), SYMBOL_BASEREG (symbol));
	  break;

	case LOC_TYPEDEF:
	  break;

	case LOC_LABEL:
	  fprintf_filtered (outfile, "label at ");
	  print_address_numeric (SYMBOL_VALUE_ADDRESS (symbol), outfile);
	  break;

	case LOC_BLOCK:
	  fprintf_filtered (outfile, "block (object ");
	  gdb_print_address (SYMBOL_BLOCK_VALUE (symbol), outfile);
	  fprintf_filtered (outfile, ") starting at ");
	  print_address_numeric (BLOCK_START (SYMBOL_BLOCK_VALUE (symbol)),
				 outfile);
	  fprintf_filtered (outfile, ",");
	  break;

	case LOC_OPTIMIZED_OUT:
	  fprintf_filtered (outfile, "optimized out");
	  break;

        default:
	  fprintf_filtered (outfile, "botched symbol class %x",
			    SYMBOL_CLASS (symbol));
	  break;
	}
    }
  fprintf_filtered (outfile, "\n");
  return 1;
}

void
maintenance_print_psymbols (args, from_tty)
     char *args;
     int from_tty;
{
  char **argv;
  GDB_FILE *outfile;
  struct cleanup *cleanups;
  char *symname = NULL;
  char *filename = DEV_TTY;
  struct objfile *objfile;
  struct partial_symtab *ps;

  dont_repeat ();

  if (args == NULL)
    {
      error ("print-psymbols takes an output file name and optional symbol file name");
    }
  else if ((argv = buildargv (args)) == NULL)
    {
      nomem (0);
    }
  cleanups = make_cleanup (freeargv, (char *) argv);

  if (argv[0] != NULL)
    {
      filename = argv[0];
      /* If a second arg is supplied, it is a source file name to match on */
      if (argv[1] != NULL)
	{
	  symname = argv[1];
	}
    }

  filename = tilde_expand (filename);
  make_cleanup (free, filename);
  
  outfile = gdb_fopen (filename, FOPEN_WT);
  if (outfile == 0)
    perror_with_name (filename);
  make_cleanup (fclose, outfile);

  immediate_quit++;
  ALL_PSYMTABS (objfile, ps)
    if (symname == NULL || (STREQ (symname, ps -> filename)))
      dump_psymtab (objfile, ps, outfile);
  immediate_quit--;
  do_cleanups (cleanups);
}

static void
print_partial_symbol (p, count, what, outfile)
     struct partial_symbol *p;
     int count;
     char *what;
     GDB_FILE *outfile;
{

  fprintf_filtered (outfile, "  %s partial symbols:\n", what);
  while (count-- > 0)
    {
      fprintf_filtered (outfile, "    `%s'", SYMBOL_NAME(p));
      if (SYMBOL_DEMANGLED_NAME (p) != NULL)
	{
	  fprintf_filtered (outfile, "  `%s'", SYMBOL_DEMANGLED_NAME (p));
	}
      fputs_filtered (", ", outfile);
      switch (SYMBOL_NAMESPACE (p))
	{
	case UNDEF_NAMESPACE:
	  fputs_filtered ("undefined namespace, ", outfile);
	  break;
	case VAR_NAMESPACE:
	  /* This is the usual thing -- don't print it */
	  break;
	case STRUCT_NAMESPACE:
	  fputs_filtered ("struct namespace, ", outfile);
	  break;
	case LABEL_NAMESPACE:
	  fputs_filtered ("label namespace, ", outfile);
	  break;
	default:
	  fputs_filtered ("<invalid namespace>, ", outfile);
	  break;
	}
      switch (SYMBOL_CLASS (p))
	{
	case LOC_UNDEF:
	  fputs_filtered ("undefined", outfile);
	  break;
	case LOC_CONST:
	  fputs_filtered ("constant int", outfile);
	  break;
	case LOC_STATIC:
	  fputs_filtered ("static", outfile);
	  break;
	case LOC_REGISTER:
	  fputs_filtered ("register", outfile);
	  break;
	case LOC_ARG:
	  fputs_filtered ("pass by value", outfile);
	  break;
	case LOC_REF_ARG:
	  fputs_filtered ("pass by reference", outfile);
	  break;
	case LOC_REGPARM:
	  fputs_filtered ("register parameter", outfile);
	  break;
	case LOC_REGPARM_ADDR:
	  fputs_filtered ("register address parameter", outfile);
	  break;
	case LOC_LOCAL:
	  fputs_filtered ("stack parameter", outfile);
	  break;
	case LOC_TYPEDEF:
	  fputs_filtered ("type", outfile);
	  break;
	case LOC_LABEL:
	  fputs_filtered ("label", outfile);
	  break;
	case LOC_BLOCK:
	  fputs_filtered ("function", outfile);
	  break;
	case LOC_CONST_BYTES:
	  fputs_filtered ("constant bytes", outfile);
	  break;
	case LOC_LOCAL_ARG:
	  fputs_filtered ("shuffled arg", outfile);
	  break;
	case LOC_OPTIMIZED_OUT:
	  fputs_filtered ("optimized out", outfile);
	  break;
	default:
	  fputs_filtered ("<invalid location>", outfile);
	  break;
	}
      fputs_filtered (", ", outfile);
      /* FIXME-32x64: Need to use SYMBOL_VALUE_ADDRESS, etc.; this
	 could be 32 bits when some of the other fields in the union
	 are 64.  */
      fprintf_filtered (outfile, "0x%lx\n", SYMBOL_VALUE (p));
      p++;
    }
}

void
maintenance_print_msymbols (args, from_tty)
     char *args;
     int from_tty;
{
  char **argv;
  GDB_FILE *outfile;
  struct cleanup *cleanups;
  char *filename = DEV_TTY;
  char *symname = NULL;
  struct objfile *objfile;

  dont_repeat ();

  if (args == NULL)
    {
      error ("print-msymbols takes an output file name and optional symbol file name");
    }
  else if ((argv = buildargv (args)) == NULL)
    {
      nomem (0);
    }
  cleanups = make_cleanup (freeargv, argv);

  if (argv[0] != NULL)
    {
      filename = argv[0];
      /* If a second arg is supplied, it is a source file name to match on */
      if (argv[1] != NULL)
	{
	  symname = argv[1];
	}
    }

  filename = tilde_expand (filename);
  make_cleanup (free, filename);
  
  outfile = gdb_fopen (filename, FOPEN_WT);
  if (outfile == 0)
    perror_with_name (filename);
  make_cleanup (fclose, outfile);

  immediate_quit++;
  ALL_OBJFILES (objfile)
    if (symname == NULL || (STREQ (symname, objfile -> name)))
      dump_msymbols (objfile, outfile);
  immediate_quit--;
  fprintf_filtered (outfile, "\n\n");
  do_cleanups (cleanups);
}

void
maintenance_print_objfiles (ignore, from_tty)
     char *ignore;
     int from_tty;
{
  struct objfile *objfile;

  dont_repeat ();

  immediate_quit++;
  ALL_OBJFILES (objfile)
    dump_objfile (objfile);
  immediate_quit--;
}


/* Return the nexting depth of a block within other blocks in its symtab.  */

static int
block_depth (block)
     struct block *block;
{
  register int i = 0;
  while ((block = BLOCK_SUPERBLOCK (block)) != NULL) 
    {
      i++;
    }
  return i;
}

#endif	/* MAINTENANCE_CMDS */


/* Increase the space allocated for LISTP, which is probably
   global_psymbol_list or static_psymbol_list. This space will eventually
   be freed in free_objfile().  */

void
extend_psymbol_list (listp, objfile)
     register struct psymbol_allocation_list *listp;
     struct objfile *objfile;
{
  int new_size;
  if (listp->size == 0)
    {
      new_size = 255;
      listp->list = (struct partial_symbol *)
	xmmalloc (objfile -> md, new_size * sizeof (struct partial_symbol));
    }
  else
    {
      new_size = listp->size * 2;
      listp->list = (struct partial_symbol *)
	xmrealloc (objfile -> md, (char *) listp->list,
		   new_size * sizeof (struct partial_symbol));
    }
  /* Next assumes we only went one over.  Should be good if
     program works correctly */
  listp->next = listp->list + listp->size;
  listp->size = new_size;
}


/* Do early runtime initializations. */
void
_initialize_symmisc ()
{
  std_in  = stdin;
  std_out = stdout;
  std_err = stderr;
}