1 /* Coff file dumper.
2    Copyright 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2007
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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
20 
21 /* Written by Steve Chamberlain <[email protected]>
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 "sysdep.h"
27 #include "bfd.h"
28 #include "libiberty.h"
29 #include "bucomm.h"
30 
31 #include "coffgrok.h"
32 #include "getopt.h"
33 
34 static int atnl;
35 
36 static void tab (int);
37 static void nl (void);
38 static void dump_coff_lines (struct coff_line *);
39 static void dump_coff_type (struct coff_type *);
40 static void dump_coff_where (struct coff_where *);
41 static void dump_coff_visible (struct coff_visible *);
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 static void show_usage (FILE *, int);
46 extern int main (int, char **);
47 
48 static void
tab(int x)49 tab (int x)
50 {
51   static int indent;
52   int i;
53 
54   if (atnl)
55     {
56       if (x < 0)
57 	{
58 	  printf (")");
59 	  indent += x;
60 
61 	  return;
62 	}
63       else
64 	{
65 	  printf ("\n");
66 	  atnl = 0;
67 	}
68     }
69 
70   if (x == -1)
71     {
72       for (i = 0; i < indent; i++)
73 	printf ("   ");
74 
75       indent += x;
76       printf (")");
77       return;
78     }
79 
80   indent += x;
81 
82   for (i = 0; i < indent; i++)
83     printf ("   ");
84 
85   if (x)
86     {
87       printf ("(");
88     }
89 }
90 
91 static void
nl(void)92 nl (void)
93 {
94   atnl = 1;
95 }
96 
97 static void
dump_coff_lines(struct coff_line * p)98 dump_coff_lines (struct coff_line *p)
99 {
100   int i;
101   int online = 0;
102 
103   tab (1);
104   printf (_("#lines %d "),p->nlines);
105 
106   for (i = 0; i < p->nlines; i++)
107     {
108       printf ("(%d 0x%x)", p->lines[i], p->addresses[i]);
109 
110       online++;
111 
112       if (online > 6)
113 	{
114 	  nl ();
115 	  tab (0);
116 	  online = 0;
117 	}
118     }
119   nl ();
120   tab (-1);
121 }
122 
123 static void
dump_coff_type(struct coff_type * p)124 dump_coff_type (struct coff_type *p)
125 {
126   tab (1);
127   printf ("size %d ", p->size);
128 
129   switch (p->type)
130     {
131     case coff_secdef_type:
132       printf ("section definition at %x size %x\n",
133 	      p->u.asecdef.address,
134 	      p->u.asecdef.size);
135       nl ();
136       break;
137     case coff_pointer_type:
138       printf ("pointer to");
139       nl ();
140       dump_coff_type (p->u.pointer.points_to);
141       break;
142     case coff_array_type:
143       printf ("array [%d] of", p->u.array.dim);
144       nl ();
145       dump_coff_type (p->u.array.array_of);
146       break;
147     case coff_function_type:
148       printf ("function returning");
149       nl ();
150       dump_coff_type (p->u.function.function_returns);
151       dump_coff_lines (p->u.function.lines);
152       printf ("arguments");
153       nl ();
154       dump_coff_scope (p->u.function.parameters);
155       tab (0);
156       printf ("code");
157       nl ();
158       dump_coff_scope (p->u.function.code);
159       tab(0);
160       break;
161     case coff_structdef_type:
162       printf ("structure definition");
163       nl ();
164       dump_coff_scope (p->u.astructdef.elements);
165       break;
166     case coff_structref_type:
167       if (!p->u.aenumref.ref)
168 	printf ("structure ref to UNKNOWN struct");
169       else
170 	printf ("structure ref to %s", p->u.aenumref.ref->name);
171       break;
172     case coff_enumref_type:
173       printf ("enum ref to %s", p->u.astructref.ref->name);
174       break;
175     case coff_enumdef_type:
176       printf ("enum definition");
177       nl ();
178       dump_coff_scope (p->u.aenumdef.elements);
179       break;
180     case coff_basic_type:
181       switch (p->u.basic)
182 	{
183 	case T_NULL:
184 	  printf ("NULL");
185 	  break;
186 	case T_VOID:
187 	  printf ("VOID");
188 	  break;
189 	case T_CHAR:
190 	  printf ("CHAR");
191 	  break;
192 	case T_SHORT:
193 	  printf ("SHORT");
194 	  break;
195 	case T_INT:
196 	  printf ("INT ");
197 	  break;
198 	case T_LONG:
199 	  printf ("LONG");
200 	  break;
201 	case T_FLOAT:
202 	  printf ("FLOAT");
203 	  break;
204 	case T_DOUBLE:
205 	  printf ("DOUBLE");
206 	  break;
207 	case T_STRUCT:
208 	  printf ("STRUCT");
209 	  break;
210 	case T_UNION:
211 	  printf ("UNION");
212 	  break;
213 	case T_ENUM:
214 	  printf ("ENUM");
215 	  break;
216 	case T_MOE:
217 	  printf ("MOE ");
218 	  break;
219 	case T_UCHAR:
220 	  printf ("UCHAR");
221 	  break;
222 	case T_USHORT:
223 	  printf ("USHORT");
224 	  break;
225 	case T_UINT:
226 	  printf ("UINT");
227 	  break;
228 	case T_ULONG:
229 	  printf ("ULONG");
230 	  break;
231 	case T_LNGDBL:
232 	  printf ("LNGDBL");
233 	  break;
234 	default:
235 	  abort ();
236 	}
237     }
238   nl ();
239   tab (-1);
240 }
241 
242 static void
dump_coff_where(struct coff_where * p)243 dump_coff_where (struct coff_where *p)
244 {
245   tab (1);
246   switch (p->where)
247     {
248     case coff_where_stack:
249       printf ("Stack offset %x", p->offset);
250       break;
251     case coff_where_memory:
252       printf ("Memory section %s+%x", p->section->name, p->offset);
253       break;
254     case coff_where_register:
255       printf ("Register %d", p->offset);
256       break;
257     case coff_where_member_of_struct:
258       printf ("Struct Member offset %x", p->offset);
259       break;
260     case coff_where_member_of_enum:
261       printf ("Enum Member offset %x", p->offset);
262       break;
263     case coff_where_unknown:
264       printf ("Undefined symbol");
265       break;
266     case coff_where_strtag:
267       printf ("STRTAG");
268     case coff_where_entag:
269       printf ("ENTAG");
270       break;
271     case coff_where_typedef:
272       printf ("TYPEDEF");
273       break;
274     default:
275       abort ();
276     }
277   nl ();
278   tab (-1);
279 }
280 
281 static void
dump_coff_visible(struct coff_visible * p)282 dump_coff_visible (struct coff_visible *p)
283 {
284   tab (1);
285   switch (p->type)
286     {
287     case coff_vis_ext_def:
288       printf ("coff_vis_ext_def");
289       break;
290     case coff_vis_ext_ref:
291       printf ("coff_vis_ext_ref");
292       break;
293     case coff_vis_int_def:
294       printf ("coff_vis_int_def");
295       break;
296     case coff_vis_common:
297       printf ("coff_vis_common");
298       break;
299     case coff_vis_auto:
300       printf ("coff_vis_auto");
301       break;
302     case coff_vis_autoparam:
303       printf ("coff_vis_autoparam");
304       break;
305     case coff_vis_regparam:
306       printf ("coff_vis_regparam");
307       break;
308     case coff_vis_register:
309       printf ("coff_vis_register");
310       break;
311     case coff_vis_tag:
312       printf ("coff_vis_tag");
313       break;
314     case coff_vis_member_of_struct:
315       printf ("coff_vis_member_of_struct");
316       break;
317     case coff_vis_member_of_enum:
318       printf ("coff_vis_member_of_enum");
319       break;
320     default:
321       abort ();
322     }
323   nl ();
324   tab (-1);
325 }
326 
327 static void
dump_coff_symbol(struct coff_symbol * p)328 dump_coff_symbol (struct coff_symbol *p)
329 {
330   tab (1);
331   printf ("List of symbols");
332   nl ();
333 
334   while (p)
335     {
336       tab (1);
337       tab (1);
338       printf ("Symbol  %s, tag %d, number %d", p->name, p->tag, p->number);
339       nl ();
340       tab (-1);
341       tab (1);
342       printf ("Type");
343       nl ();
344       dump_coff_type (p->type);
345       tab (-1);
346       tab (1);
347       printf ("Where");
348       dump_coff_where (p->where);
349       tab (-1);
350       tab (1);
351       printf ("Visible");
352       dump_coff_visible (p->visible);
353       tab (-1);
354       p = p->next;
355       tab (-1);
356     }
357   tab (-1);
358 }
359 
360 static void
dump_coff_scope(struct coff_scope * p)361 dump_coff_scope (struct coff_scope *p)
362 {
363   if (p)
364     {
365       tab (1);
366       printf ("List of blocks %lx ",(unsigned long) p);
367 
368       if (p->sec)
369 	printf( "  %s %x..%x",  p->sec->name,p->offset, p->offset + p->size -1);
370 
371       nl ();
372       tab (0);
373       printf ("*****************");
374       nl ();
375 
376       while (p)
377 	{
378 	  tab (0);
379 	  printf ("vars %d", p->nvars);
380 	  nl ();
381 	  dump_coff_symbol (p->vars_head);
382 	  printf ("blocks");
383 	  nl ();
384 	  dump_coff_scope (p->list_head);
385 	  nl ();
386 	  p = p->next;
387 	}
388 
389       tab (0);
390       printf ("*****************");
391       nl ();
392       tab (-1);
393     }
394 }
395 
396 static void
dump_coff_sfile(struct coff_sfile * p)397 dump_coff_sfile (struct coff_sfile *p)
398 {
399   tab (1);
400   printf ("List of source files");
401   nl ();
402 
403   while (p)
404     {
405       tab (0);
406       printf ("Source file %s", p->name);
407       nl ();
408       dump_coff_scope (p->scope);
409       p = p->next;
410     }
411   tab (-1);
412 }
413 
414 static void
dump_coff_section(struct coff_section * ptr)415 dump_coff_section (struct coff_section *ptr)
416 {
417   int i;
418 
419   tab (1);
420   printf ("section %s %d %d address %x size %x number %d nrelocs %d",
421 	  ptr->name, ptr->code, ptr->data, ptr->address,ptr->size,
422 	  ptr->number, ptr->nrelocs);
423   nl ();
424 
425   for (i = 0; i < ptr->nrelocs; i++)
426     {
427       tab (0);
428       printf ("(%x %s %x)",
429 	      ptr->relocs[i].offset,
430 	      ptr->relocs[i].symbol->name,
431 	      ptr->relocs[i].addend);
432       nl ();
433     }
434 
435   tab (-1);
436 }
437 
438 static void
coff_dump(struct coff_ofile * ptr)439 coff_dump (struct coff_ofile *ptr)
440 {
441   int i;
442 
443   printf ("Coff dump");
444   nl ();
445   printf ("#souces %d", ptr->nsources);
446   nl ();
447   dump_coff_sfile (ptr->source_head);
448 
449   for (i = 0; i < ptr->nsections; i++)
450     dump_coff_section (ptr->sections + i);
451 }
452 
453 char * program_name;
454 
455 static void
show_usage(FILE * file,int status)456 show_usage (FILE *file, int status)
457 {
458   fprintf (file, _("Usage: %s [option(s)] in-file\n"), program_name);
459   fprintf (file, _(" Print a human readable interpretation of a SYSROFF object file\n"));
460   fprintf (file, _(" The options are:\n\
461   @<file>                Read options from <file>\n\
462   -h --help              Display this information\n\
463   -v --version           Display the program's version\n\
464 \n"));
465 
466   if (REPORT_BUGS_TO[0] && 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