xref: /openbsd-src/gnu/usr.bin/binutils/binutils/coffdump.c (revision a95e6fec581636af2a82a971254c0719e6204648)
1 /* Coff file dumper.
2    Copyright 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003
3    Free Software Foundation, Inc.
4 
5    This file is part of GNU Binutils.
6 
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 2 of the License, or (at
10    your option) any later version.
11 
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16 
17    You should have received a copy of the GNU General Public License
18    along with this program; if not, write to the Free Software
19    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
20 
21 /* Written by Steve Chamberlain <sac@cygnus.com>
22 
23    This module reads a type tree generated by coffgrok and prints
24    it out so we can test the grokker.  */
25 
26 #include "bfd.h"
27 #include "libiberty.h"
28 
29 #include "coffgrok.h"
30 #include "bucomm.h"
31 #include "getopt.h"
32 
33 static int atnl;
34 
35 static void tab (int);
36 static void nl (void);
37 static void dump_coff_lines (struct coff_line *);
38 static void dump_coff_type (struct coff_type *);
39 static void dump_coff_where (struct coff_where *);
40 static void dump_coff_visible (struct coff_visible *);
41 extern void dump_coff_symbol (struct coff_symbol *);
42 static void dump_coff_scope (struct coff_scope *);
43 static void dump_coff_sfile (struct coff_sfile *);
44 static void dump_coff_section (struct coff_section *);
45 extern void coff_dump (struct coff_ofile *);
46 static void show_usage (FILE *, int);
47 extern int main (int, char **);
48 
49 static void
tab(int x)50 tab (int x)
51 {
52   static int indent;
53   int i;
54 
55   if (atnl)
56     {
57       if (x < 0)
58 	{
59 	  printf (")");
60 	  indent += x;
61 
62 	  return;
63 	}
64       else
65 	{
66 	  printf ("\n");
67 	  atnl = 0;
68 	}
69     }
70 
71   if (x == -1)
72     {
73       for (i = 0; i < indent; i++)
74 	printf ("   ");
75 
76       indent += x;
77       printf (")");
78       return;
79     }
80 
81   indent += x;
82 
83   for (i = 0; i < indent; i++)
84     printf ("   ");
85 
86   if (x)
87     {
88       printf ("(");
89     }
90 }
91 
92 static void
nl(void)93 nl (void)
94 {
95   atnl = 1;
96 }
97 
98 static void
dump_coff_lines(struct coff_line * p)99 dump_coff_lines (struct coff_line *p)
100 {
101   int i;
102   int online = 0;
103 
104   tab (1);
105   printf (_("#lines %d "),p->nlines);
106 
107   for (i = 0; i < p->nlines; i++)
108     {
109       printf ("(%d 0x%x)", p->lines[i], p->addresses[i]);
110 
111       online++;
112 
113       if (online > 6)
114 	{
115 	  nl ();
116 	  tab (0);
117 	  online = 0;
118 	}
119     }
120   nl ();
121   tab (-1);
122 }
123 
124 static void
dump_coff_type(struct coff_type * p)125 dump_coff_type (struct coff_type *p)
126 {
127   tab (1);
128   printf ("size %d ", p->size);
129 
130   switch (p->type)
131     {
132     case coff_secdef_type:
133       printf ("section definition at %x size %x\n",
134 	      p->u.asecdef.address,
135 	      p->u.asecdef.size);
136       nl ();
137       break;
138     case coff_pointer_type:
139       printf ("pointer to");
140       nl ();
141       dump_coff_type (p->u.pointer.points_to);
142       break;
143     case coff_array_type:
144       printf ("array [%d] of", p->u.array.dim);
145       nl ();
146       dump_coff_type (p->u.array.array_of);
147       break;
148     case coff_function_type:
149       printf ("function returning");
150       nl ();
151       dump_coff_type (p->u.function.function_returns);
152       dump_coff_lines (p->u.function.lines);
153       printf ("arguments");
154       nl ();
155       dump_coff_scope (p->u.function.parameters);
156       tab (0);
157       printf ("code");
158       nl ();
159       dump_coff_scope (p->u.function.code);
160       tab(0);
161       break;
162     case coff_structdef_type:
163       printf ("structure definition");
164       nl ();
165       dump_coff_scope (p->u.astructdef.elements);
166       break;
167     case coff_structref_type:
168       if (!p->u.aenumref.ref)
169 	printf ("structure ref to UNKNOWN struct");
170       else
171 	printf ("structure ref to %s", p->u.aenumref.ref->name);
172       break;
173     case coff_enumref_type:
174       printf ("enum ref to %s", p->u.astructref.ref->name);
175       break;
176     case coff_enumdef_type:
177       printf ("enum definition");
178       nl ();
179       dump_coff_scope (p->u.aenumdef.elements);
180       break;
181     case coff_basic_type:
182       switch (p->u.basic)
183 	{
184 	case T_NULL:
185 	  printf ("NULL");
186 	  break;
187 	case T_VOID:
188 	  printf ("VOID");
189 	  break;
190 	case T_CHAR:
191 	  printf ("CHAR");
192 	  break;
193 	case T_SHORT:
194 	  printf ("SHORT");
195 	  break;
196 	case T_INT:
197 	  printf ("INT ");
198 	  break;
199 	case T_LONG:
200 	  printf ("LONG");
201 	  break;
202 	case T_FLOAT:
203 	  printf ("FLOAT");
204 	  break;
205 	case T_DOUBLE:
206 	  printf ("DOUBLE");
207 	  break;
208 	case T_STRUCT:
209 	  printf ("STRUCT");
210 	  break;
211 	case T_UNION:
212 	  printf ("UNION");
213 	  break;
214 	case T_ENUM:
215 	  printf ("ENUM");
216 	  break;
217 	case T_MOE:
218 	  printf ("MOE ");
219 	  break;
220 	case T_UCHAR:
221 	  printf ("UCHAR");
222 	  break;
223 	case T_USHORT:
224 	  printf ("USHORT");
225 	  break;
226 	case T_UINT:
227 	  printf ("UINT");
228 	  break;
229 	case T_ULONG:
230 	  printf ("ULONG");
231 	  break;
232 	case T_LNGDBL:
233 	  printf ("LNGDBL");
234 	  break;
235 	default:
236 	  abort ();
237 	}
238     }
239   nl ();
240   tab (-1);
241 }
242 
243 static void
dump_coff_where(struct coff_where * p)244 dump_coff_where (struct coff_where *p)
245 {
246   tab (1);
247   switch (p->where)
248     {
249     case coff_where_stack:
250       printf ("Stack offset %x", p->offset);
251       break;
252     case coff_where_memory:
253       printf ("Memory section %s+%x", p->section->name, p->offset);
254       break;
255     case coff_where_register:
256       printf ("Register %d", p->offset);
257       break;
258     case coff_where_member_of_struct:
259       printf ("Struct Member offset %x", p->offset);
260       break;
261     case coff_where_member_of_enum:
262       printf ("Enum Member offset %x", p->offset);
263       break;
264     case coff_where_unknown:
265       printf ("Undefined symbol");
266       break;
267     case coff_where_strtag:
268       printf ("STRTAG");
269     case coff_where_entag:
270       printf ("ENTAG");
271       break;
272     case coff_where_typedef:
273       printf ("TYPEDEF");
274       break;
275     default:
276       abort ();
277     }
278   nl ();
279   tab (-1);
280 }
281 
282 static void
dump_coff_visible(struct coff_visible * p)283 dump_coff_visible (struct coff_visible *p)
284 {
285   tab (1);
286   switch (p->type)
287     {
288     case coff_vis_ext_def:
289       printf ("coff_vis_ext_def");
290       break;
291     case coff_vis_ext_ref:
292       printf ("coff_vis_ext_ref");
293       break;
294     case coff_vis_int_def:
295       printf ("coff_vis_int_def");
296       break;
297     case coff_vis_common:
298       printf ("coff_vis_common");
299       break;
300     case coff_vis_auto:
301       printf ("coff_vis_auto");
302       break;
303     case coff_vis_autoparam:
304       printf ("coff_vis_autoparam");
305       break;
306     case coff_vis_regparam:
307       printf ("coff_vis_regparam");
308       break;
309     case coff_vis_register:
310       printf ("coff_vis_register");
311       break;
312     case coff_vis_tag:
313       printf ("coff_vis_tag");
314       break;
315     case coff_vis_member_of_struct:
316       printf ("coff_vis_member_of_struct");
317       break;
318     case coff_vis_member_of_enum:
319       printf ("coff_vis_member_of_enum");
320       break;
321     default:
322       abort ();
323     }
324   nl ();
325   tab (-1);
326 }
327 
328 void
dump_coff_symbol(struct coff_symbol * p)329 dump_coff_symbol (struct coff_symbol *p)
330 {
331   tab (1);
332   printf ("List of symbols");
333   nl ();
334 
335   while (p)
336     {
337       tab (1);
338       tab (1);
339       printf ("Symbol  %s, tag %d, number %d", p->name, p->tag, p->number);
340       nl ();
341       tab (-1);
342       tab (1);
343       printf ("Type");
344       nl ();
345       dump_coff_type (p->type);
346       tab (-1);
347       tab (1);
348       printf ("Where");
349       dump_coff_where (p->where);
350       tab (-1);
351       tab (1);
352       printf ("Visible");
353       dump_coff_visible (p->visible);
354       tab (-1);
355       p = p->next;
356       tab (-1);
357     }
358   tab (-1);
359 }
360 
361 static void
dump_coff_scope(struct coff_scope * p)362 dump_coff_scope (struct coff_scope *p)
363 {
364   if (p)
365     {
366       tab (1);
367       printf ("List of blocks %lx ",(unsigned long) p);
368 
369       if (p->sec)
370 	printf( "  %s %x..%x",  p->sec->name,p->offset, p->offset + p->size -1);
371 
372       nl ();
373       tab (0);
374       printf ("*****************");
375       nl ();
376 
377       while (p)
378 	{
379 	  tab (0);
380 	  printf ("vars %d", p->nvars);
381 	  nl ();
382 	  dump_coff_symbol (p->vars_head);
383 	  printf ("blocks");
384 	  nl ();
385 	  dump_coff_scope (p->list_head);
386 	  nl ();
387 	  p = p->next;
388 	}
389 
390       tab (0);
391       printf ("*****************");
392       nl ();
393       tab (-1);
394     }
395 }
396 
397 static void
dump_coff_sfile(struct coff_sfile * p)398 dump_coff_sfile (struct coff_sfile *p)
399 {
400   tab (1);
401   printf ("List of source files");
402   nl ();
403 
404   while (p)
405     {
406       tab (0);
407       printf ("Source file %s", p->name);
408       nl ();
409       dump_coff_scope (p->scope);
410       p = p->next;
411     }
412   tab (-1);
413 }
414 
415 static void
dump_coff_section(struct coff_section * ptr)416 dump_coff_section (struct coff_section *ptr)
417 {
418   int i;
419 
420   tab (1);
421   printf ("section %s %d %d address %x size %x number %d nrelocs %d",
422 	  ptr->name, ptr->code, ptr->data, ptr->address,ptr->size,
423 	  ptr->number, ptr->nrelocs);
424   nl ();
425 
426   for (i = 0; i < ptr->nrelocs; i++)
427     {
428       tab (0);
429       printf ("(%x %s %x)",
430 	      ptr->relocs[i].offset,
431 	      ptr->relocs[i].symbol->name,
432 	      ptr->relocs[i].addend);
433       nl ();
434     }
435 
436   tab (-1);
437 }
438 
439 void
coff_dump(struct coff_ofile * ptr)440 coff_dump (struct coff_ofile *ptr)
441 {
442   int i;
443 
444   printf ("Coff dump");
445   nl ();
446   printf ("#souces %d", ptr->nsources);
447   nl ();
448   dump_coff_sfile (ptr->source_head);
449 
450   for (i = 0; i < ptr->nsections; i++)
451     dump_coff_section (ptr->sections + i);
452 }
453 
454 char * program_name;
455 
456 static void
show_usage(FILE * file,int status)457 show_usage (FILE *file, int status)
458 {
459   fprintf (file, _("Usage: %s [option(s)] in-file\n"), program_name);
460   fprintf (file, _(" Print a human readable interpretation of a SYSROFF object file\n"));
461   fprintf (file, _(" The options are:\n\
462   -h --help              Display this information\n\
463   -v --version           Display the program's version\n\
464 \n"));
465 
466   if (status == 0)
467     fprintf (file, _("Report bugs to %s\n"), REPORT_BUGS_TO);
468 
469   exit (status);
470 }
471 
472 int
main(int ac,char ** av)473 main (int ac, char **av)
474 {
475   bfd *abfd;
476   struct coff_ofile *tree;
477   char **matching;
478   char *input_file = NULL;
479   int opt;
480   static struct option long_options[] =
481     {
482       { "help", no_argument, 0, 'h' },
483       { "version", no_argument, 0, 'V' },
484       { NULL, no_argument, 0, 0 }
485     };
486 
487 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
488   setlocale (LC_MESSAGES, "");
489 #endif
490 #if defined (HAVE_SETLOCALE)
491   setlocale (LC_CTYPE, "");
492 #endif
493   bindtextdomain (PACKAGE, LOCALEDIR);
494   textdomain (PACKAGE);
495 
496   program_name = av[0];
497   xmalloc_set_program_name (program_name);
498 
499   expandargv (&ac, &av);
500 
501   while ((opt = getopt_long (ac, av, "HhVv", long_options,
502 			     (int *) NULL))
503 	 != EOF)
504     {
505       switch (opt)
506 	{
507 	case 'H':
508 	case 'h':
509 	  show_usage (stdout, 0);
510 	  break;
511 	case 'v':
512 	case 'V':
513 	  print_version ("coffdump");
514 	  exit (0);
515 	case 0:
516 	  break;
517 	default:
518 	  show_usage (stderr, 1);
519 	  break;
520 	}
521     }
522 
523   if (optind < ac)
524     {
525       input_file = av[optind];
526     }
527 
528   if (!input_file)
529     fatal (_("no input file specified"));
530 
531   abfd = bfd_openr (input_file, 0);
532 
533   if (!abfd)
534     bfd_fatal (input_file);
535 
536   if (! bfd_check_format_matches (abfd, bfd_object, &matching))
537     {
538       bfd_nonfatal (input_file);
539 
540       if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
541 	{
542 	  list_matching_formats (matching);
543 	  free (matching);
544 	}
545       exit (1);
546     }
547 
548   tree = coff_grok (abfd);
549 
550   coff_dump (tree);
551   printf ("\n");
552 
553   return 0;
554 }
555