Commit | Line | Data |
---|---|---|
d20f480f | 1 | /* objdump.c -- dump information about an object file. |
d9971b83 | 2 | Copyright 1990, 1991, 1992 Free Software Foundation, Inc. |
2fa0b342 DHW |
3 | |
4 | This file is part of BFD, the Binary File Diddler. | |
5 | ||
6 | BFD is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
d20f480f | 8 | the Free Software Foundation; either version 2, or (at your option) |
2fa0b342 DHW |
9 | any later version. |
10 | ||
11 | BFD is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with BFD; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
2fa0b342 DHW |
20 | /* |
21 | * Until there is other documentation, refer to the manual page dump(1) in | |
22 | * the system 5 program's reference manual | |
23 | */ | |
24 | ||
2fa0b342 | 25 | #include "bfd.h" |
d20f480f | 26 | #include "sysdep.h" |
2fa0b342 DHW |
27 | #include "getopt.h" |
28 | #include <stdio.h> | |
29 | #include <ctype.h> | |
2e8adbd7 | 30 | #include "dis-asm.h" |
2fa0b342 | 31 | |
73b8f102 JG |
32 | #define ELF_STAB_DISPLAY /* This code works, but uses internal |
33 | bfd and elf stuff. Flip this define | |
34 | off if you need to just use generic | |
35 | BFD interfaces. */ | |
36 | ||
37 | #ifdef ELF_STAB_DISPLAY | |
38 | /* Internal headers for the ELF .stab-dump code - sorry. */ | |
39 | #define BYTES_IN_WORD 32 | |
40 | #include "aout/aout64.h" | |
41 | #include "elf/internal.h" | |
42 | extern Elf_Internal_Shdr *bfd_elf_find_section(); | |
43 | #endif /* ELF_STAB_DISPLAY */ | |
bf661056 | 44 | |
2e8adbd7 PB |
45 | extern char *xmalloc (); |
46 | extern int fprintf (); | |
2fa0b342 DHW |
47 | |
48 | char *default_target = NULL; /* default at runtime */ | |
49 | ||
249c6fc0 | 50 | extern *program_version; |
2fa0b342 DHW |
51 | char *program_name = NULL; |
52 | ||
249c6fc0 | 53 | int show_version = 0; /* show the version number */ |
2fa0b342 DHW |
54 | int dump_section_contents; /* -s */ |
55 | int dump_section_headers; /* -h */ | |
56 | boolean dump_file_header; /* -f */ | |
57 | int dump_symtab; /* -t */ | |
58 | int dump_reloc_info; /* -r */ | |
59 | int dump_ar_hdrs; /* -a */ | |
aa0a709a | 60 | int with_line_numbers; /* -l */ |
73b8f102 | 61 | int dump_stab_section_info; /* -stabs */ |
aa0a709a SC |
62 | boolean disassemble; /* -d */ |
63 | boolean info; /* -i */ | |
2fa0b342 DHW |
64 | char *only; |
65 | ||
aa0a709a SC |
66 | char *machine = (char *) NULL; |
67 | asymbol **syms; | |
68 | asymbol **syms2; | |
2fa0b342 | 69 | |
2fa0b342 DHW |
70 | unsigned int storage; |
71 | ||
72 | unsigned int symcount = 0; | |
73 | ||
d9971b83 KR |
74 | /* Forward declarations. */ |
75 | ||
76 | static void | |
77 | display_file PARAMS ((char *filename, char *target)); | |
78 | ||
79 | static void | |
80 | dump_data PARAMS ((bfd *abfd)); | |
81 | ||
82 | static void | |
83 | dump_relocs PARAMS ((bfd *abfd)); | |
84 | ||
85 | static void | |
86 | dump_symbols PARAMS ((bfd *abfd)); | |
87 | \f | |
2fa0b342 DHW |
88 | void |
89 | usage () | |
90 | { | |
452b40b6 JK |
91 | fprintf (stderr, "\ |
92 | usage: %s [-ahifdrtxsl] [-m machine] [-j section_name]\n\ | |
93 | [--syms] [--reloc] [--header] [--version] obj ...\n", | |
2fa0b342 DHW |
94 | program_name); |
95 | exit (1); | |
96 | } | |
97 | ||
aa0a709a SC |
98 | static struct option long_options[]= |
99 | { | |
100 | {"syms", no_argument, &dump_symtab, 1}, | |
101 | {"reloc", no_argument, &dump_reloc_info, 1}, | |
102 | {"header", no_argument, &dump_section_headers, 1}, | |
249c6fc0 | 103 | {"version", no_argument, &show_version, 1}, |
73b8f102 JG |
104 | #ifdef ELF_STAB_DISPLAY |
105 | {"stabs", no_argument, &dump_stab_section_info, 1}, | |
106 | #endif | |
aa0a709a | 107 | {0, no_argument, 0, 0}}; |
2fa0b342 DHW |
108 | |
109 | ||
2fa0b342 | 110 | static void |
aa0a709a SC |
111 | dump_headers (abfd) |
112 | bfd *abfd; | |
2fa0b342 DHW |
113 | { |
114 | asection *section; | |
aa0a709a | 115 | |
2fa0b342 DHW |
116 | for (section = abfd->sections; |
117 | section != (asection *) NULL; | |
aa0a709a SC |
118 | section = section->next) |
119 | { | |
120 | char *comma = ""; | |
121 | ||
2fa0b342 | 122 | #define PF(x,y) \ |
e779a58c JG |
123 | if (section->flags & x) { printf("%s%s",comma,y); comma = ", "; } |
124 | ||
125 | ||
aa0a709a SC |
126 | printf ("SECTION %d [%s]\t: size %08x", |
127 | section->index, | |
128 | section->name, | |
129 | (unsigned) bfd_get_section_size_before_reloc (section)); | |
130 | printf (" vma "); | |
131 | printf_vma (section->vma); | |
132 | printf (" align 2**%u\n ", | |
133 | section->alignment_power); | |
134 | PF (SEC_ALLOC, "ALLOC"); | |
135 | PF (SEC_CONSTRUCTOR, "CONSTRUCTOR"); | |
136 | PF (SEC_CONSTRUCTOR_TEXT, "CONSTRUCTOR TEXT"); | |
137 | PF (SEC_CONSTRUCTOR_DATA, "CONSTRUCTOR DATA"); | |
138 | PF (SEC_CONSTRUCTOR_BSS, "CONSTRUCTOR BSS"); | |
139 | PF (SEC_LOAD, "LOAD"); | |
140 | PF (SEC_RELOC, "RELOC"); | |
141 | PF (SEC_BALIGN, "BALIGN"); | |
142 | PF (SEC_READONLY, "READONLY"); | |
143 | PF (SEC_CODE, "CODE"); | |
144 | PF (SEC_DATA, "DATA"); | |
145 | PF (SEC_ROM, "ROM"); | |
146 | printf ("\n"); | |
2fa0b342 | 147 | #undef PF |
aa0a709a | 148 | } |
2fa0b342 DHW |
149 | } |
150 | ||
151 | static asymbol ** | |
aa0a709a SC |
152 | DEFUN (slurp_symtab, (abfd), |
153 | bfd * abfd) | |
2fa0b342 | 154 | { |
aa0a709a | 155 | asymbol **sy = (asymbol **) NULL; |
2fa0b342 | 156 | |
aa0a709a SC |
157 | if (!(bfd_get_file_flags (abfd) & HAS_SYMS)) |
158 | { | |
159 | (void) printf ("No symbols in \"%s\".\n", bfd_get_filename (abfd)); | |
160 | return (NULL); | |
161 | } | |
162 | ||
163 | storage = get_symtab_upper_bound (abfd); | |
164 | if (storage) | |
165 | { | |
166 | sy = (asymbol **) malloc (storage); | |
167 | if (sy == NULL) | |
168 | { | |
169 | fprintf (stderr, "%s: out of memory.\n", program_name); | |
170 | exit (1); | |
d20f480f | 171 | } |
aa0a709a SC |
172 | } |
173 | symcount = bfd_canonicalize_symtab (abfd, sy); | |
174 | return sy; | |
2fa0b342 | 175 | } |
aa0a709a | 176 | |
2fa0b342 | 177 | /* Sort symbols into value order */ |
aa0a709a SC |
178 | static int |
179 | comp (ap, bp) | |
770cde30 JG |
180 | PTR ap; |
181 | PTR bp; | |
2fa0b342 | 182 | { |
770cde30 JG |
183 | asymbol *a = *(asymbol **)ap; |
184 | asymbol *b = *(asymbol **)bp; | |
2fa0b342 | 185 | int diff; |
d9971b83 | 186 | bfd *a_bfd, *b_bfd; |
2fa0b342 | 187 | |
aa0a709a | 188 | if (a->name == (char *) NULL || (a->flags & (BSF_DEBUGGING))) |
d9971b83 KR |
189 | a_bfd = 0; |
190 | else | |
191 | a_bfd = bfd_asymbol_bfd(a); | |
aa0a709a | 192 | if (b->name == (char *) NULL || (b->flags & (BSF_DEBUGGING))) |
d9971b83 KR |
193 | b_bfd = 0; |
194 | else | |
195 | b_bfd = bfd_asymbol_bfd(b); | |
2fa0b342 | 196 | |
d9971b83 | 197 | diff = a_bfd - b_bfd; |
aa0a709a SC |
198 | if (diff) |
199 | { | |
200 | return -diff; | |
201 | } | |
2fa0b342 | 202 | diff = a->value - b->value; |
aa0a709a SC |
203 | if (diff) |
204 | { | |
205 | return diff; | |
206 | } | |
207 | return a->section - b->section; | |
2fa0b342 DHW |
208 | } |
209 | ||
210 | /* Print the supplied address symbolically if possible */ | |
211 | void | |
aa0a709a SC |
212 | print_address (vma, stream) |
213 | bfd_vma vma; | |
214 | FILE *stream; | |
2fa0b342 DHW |
215 | { |
216 | /* Perform a binary search looking for the closest symbol to | |
217 | the required value */ | |
218 | ||
219 | unsigned int min = 0; | |
220 | unsigned int max = symcount; | |
221 | ||
222 | unsigned int thisplace = 1; | |
aa0a709a | 223 | unsigned int oldthisplace; |
2fa0b342 DHW |
224 | |
225 | int vardiff; | |
2fa0b342 | 226 | |
aa0a709a SC |
227 | if (symcount == 0) |
228 | { | |
229 | fprintf_vma (stream, vma); | |
2fa0b342 | 230 | } |
aa0a709a SC |
231 | else |
232 | { | |
233 | while (true) | |
234 | { | |
235 | oldthisplace = thisplace; | |
236 | thisplace = (max + min) / 2; | |
237 | if (thisplace == oldthisplace) | |
238 | break; | |
239 | vardiff = syms[thisplace]->value - vma; | |
240 | ||
d9971b83 KR |
241 | if (vardiff |
242 | /* Check that the value isn't merely a coincidence. | |
243 | (if not checked, we might print some undefined symbol | |
244 | for the address 0 rather than "main", for example. */ | |
245 | || !(syms[thisplace]->flags & (BSF_GLOBAL|BSF_LOCAL))) | |
aa0a709a SC |
246 | { |
247 | if (vardiff > 0) | |
248 | { | |
249 | max = thisplace; | |
250 | } | |
251 | else | |
252 | { | |
253 | min = thisplace; | |
254 | } | |
255 | } | |
256 | else | |
257 | { | |
258 | /* Totally awesome! the exact right symbol */ | |
259 | CONST char *match_name = syms[thisplace]->name; | |
260 | int sym_len = strlen (match_name); | |
261 | ||
262 | /* Avoid "filename.o" as a match */ | |
263 | if (sym_len > 2 | |
264 | && match_name[sym_len - 2] == '.' | |
265 | && match_name[sym_len - 1] == 'o' | |
266 | && thisplace + 1 < symcount | |
267 | && syms[thisplace + 1]->value == vma) | |
268 | match_name = syms[thisplace + 1]->name; | |
269 | /* Totally awesome! the exact right symbol */ | |
270 | fprintf_vma (stream, vma); | |
271 | fprintf (stream, " (%s+)0000", syms[thisplace]->name); | |
272 | return; | |
273 | } | |
274 | } | |
275 | /* We've run out of places to look, print the symbol before this one | |
276 | see if this or the symbol before describes this location the best */ | |
fc5d6074 | 277 | |
aa0a709a SC |
278 | if (thisplace != 0) |
279 | { | |
280 | if (syms[thisplace - 1]->value - vma > | |
281 | syms[thisplace]->value - vma) | |
282 | { | |
283 | /* Previous symbol is in correct section and is closer */ | |
284 | thisplace--; | |
285 | } | |
286 | } | |
fc5d6074 | 287 | |
aa0a709a SC |
288 | fprintf_vma (stream, vma); |
289 | if (syms[thisplace]->value > vma) | |
290 | { | |
291 | fprintf (stream, " (%s-)", syms[thisplace]->name); | |
292 | fprintf (stream, "%04x", syms[thisplace]->value - vma); | |
293 | } | |
294 | else | |
295 | { | |
296 | fprintf (stream, " (%s+)", syms[thisplace]->name); | |
297 | fprintf (stream, "%04x", vma - syms[thisplace]->value); | |
298 | } | |
2fa0b342 | 299 | } |
2fa0b342 DHW |
300 | } |
301 | ||
302 | void | |
aa0a709a SC |
303 | disassemble_data (abfd) |
304 | bfd *abfd; | |
2fa0b342 DHW |
305 | { |
306 | bfd_byte *data = NULL; | |
aa0a709a | 307 | bfd_arch_info_type *info; |
fc5d6074 SC |
308 | bfd_size_type datasize = 0; |
309 | bfd_size_type i; | |
2e8adbd7 PB |
310 | unsigned int (*print) ()= 0; /* Old style */ |
311 | disassembler_ftype disassemble = 0; /* New style */ | |
aa0a709a SC |
312 | unsigned int print_insn_a29k (); |
313 | unsigned int print_insn_i960 (); | |
314 | unsigned int print_insn_sparc (); | |
aa0a709a | 315 | unsigned int print_insn_h8300 (); |
2fa0b342 | 316 | enum bfd_architecture a; |
2e8adbd7 PB |
317 | struct disassemble_info disasm_info; |
318 | ||
319 | int prevline; | |
320 | CONST char *prev_function = ""; | |
d20f480f | 321 | |
2fa0b342 | 322 | asection *section; |
aa0a709a | 323 | |
2fa0b342 | 324 | /* Replace symbol section relative values with abs values */ |
96d7950b | 325 | boolean done_dot = false; |
aa0a709a | 326 | |
2e8adbd7 PB |
327 | INIT_DISASSEMBLE_INFO(disasm_info, stdout); |
328 | ||
aa0a709a SC |
329 | for (i = 0; i < symcount; i++) |
330 | { | |
2fa0b342 | 331 | syms[i]->value += syms[i]->section->vma; |
aa0a709a | 332 | } |
2fa0b342 DHW |
333 | |
334 | /* We keep a copy of the symbols in the original order */ | |
aa0a709a | 335 | syms2 = slurp_symtab (abfd); |
2fa0b342 DHW |
336 | |
337 | /* Sort the symbols into section and symbol order */ | |
aa0a709a | 338 | (void) qsort (syms, symcount, sizeof (asymbol *), comp); |
2fa0b342 DHW |
339 | |
340 | /* Find the first useless symbol */ | |
aa0a709a SC |
341 | { |
342 | unsigned int i; | |
2fa0b342 | 343 | |
aa0a709a SC |
344 | for (i = 0; i < symcount; i++) |
345 | { | |
d9971b83 KR |
346 | if (syms[i]->name == (char *) NULL |
347 | || (syms[i]->flags & BSF_DEBUGGING) != 0) | |
aa0a709a SC |
348 | { |
349 | symcount = i; | |
350 | break; | |
351 | } | |
352 | } | |
353 | } | |
e779a58c JG |
354 | |
355 | ||
aa0a709a SC |
356 | if (machine != (char *) NULL) |
357 | { | |
358 | info = bfd_scan_arch (machine); | |
359 | if (info == 0) | |
360 | { | |
361 | fprintf (stderr, "%s: Can't use supplied machine %s\n", | |
362 | program_name, | |
363 | machine); | |
364 | exit (1); | |
365 | } | |
366 | abfd->arch_info = info; | |
2fa0b342 | 367 | } |
e779a58c JG |
368 | |
369 | /* See if we can disassemble using bfd */ | |
370 | ||
aa0a709a SC |
371 | if (abfd->arch_info->disassemble) |
372 | { | |
373 | print = abfd->arch_info->disassemble; | |
e779a58c | 374 | } |
aa0a709a SC |
375 | else |
376 | { | |
377 | a = bfd_get_arch (abfd); | |
378 | switch (a) | |
379 | { | |
380 | case bfd_arch_sparc: | |
381 | print = print_insn_sparc; | |
382 | break; | |
d9971b83 KR |
383 | case bfd_arch_z8k: |
384 | if (bfd_get_mach(abfd) == bfd_mach_z8001) | |
2e8adbd7 | 385 | disassemble = print_insn_z8001; |
d9971b83 | 386 | else |
2e8adbd7 | 387 | disassemble = print_insn_z8002; |
d9971b83 | 388 | break; |
aa0a709a | 389 | case bfd_arch_i386: |
2e8adbd7 | 390 | disassemble = print_insn_i386; |
aa0a709a SC |
391 | break; |
392 | case bfd_arch_m68k: | |
2e8adbd7 | 393 | disassemble = print_insn_m68k; |
aa0a709a SC |
394 | break; |
395 | case bfd_arch_a29k: | |
396 | print = print_insn_a29k; | |
397 | break; | |
398 | case bfd_arch_i960: | |
399 | print = print_insn_i960; | |
400 | break; | |
d9971b83 | 401 | case bfd_arch_mips: |
2e8adbd7 PB |
402 | if (abfd->xvec->byteorder_big_p) |
403 | disassemble = print_insn_big_mips; | |
404 | else | |
405 | disassemble = print_insn_little_mips; | |
d9971b83 | 406 | break; |
aa0a709a SC |
407 | default: |
408 | fprintf (stderr, "%s: Can't disassemble for architecture %s\n", | |
409 | program_name, | |
410 | bfd_printable_arch_mach (bfd_get_arch (abfd), 0)); | |
411 | exit (1); | |
412 | } | |
2fa0b342 | 413 | |
aa0a709a | 414 | } |
2fa0b342 DHW |
415 | |
416 | for (section = abfd->sections; | |
aa0a709a SC |
417 | section != (asection *) NULL; |
418 | section = section->next) | |
65cceb78 | 419 | { |
2fa0b342 | 420 | |
aa0a709a SC |
421 | if ((section->flags & SEC_LOAD) |
422 | && (only == (char *) NULL || strcmp (only, section->name) == 0)) | |
423 | { | |
424 | printf ("Disassembly of section %s:\n", section->name); | |
2fa0b342 | 425 | |
aa0a709a SC |
426 | if (bfd_get_section_size_before_reloc (section) == 0) |
427 | continue; | |
2fa0b342 | 428 | |
aa0a709a | 429 | data = (bfd_byte *) malloc (bfd_get_section_size_before_reloc (section)); |
2fa0b342 | 430 | |
aa0a709a SC |
431 | if (data == (bfd_byte *) NULL) |
432 | { | |
433 | fprintf (stderr, "%s: memory exhausted.\n", program_name); | |
434 | exit (1); | |
435 | } | |
436 | datasize = bfd_get_section_size_before_reloc (section); | |
2fa0b342 | 437 | |
aa0a709a | 438 | bfd_get_section_contents (abfd, section, data, 0, bfd_get_section_size_before_reloc (section)); |
2fa0b342 | 439 | |
aa0a709a SC |
440 | i = 0; |
441 | while (i < bfd_get_section_size_before_reloc (section)) | |
442 | { | |
443 | if (data[i] == 0 && data[i + 1] == 0 && data[i + 2] == 0 && | |
444 | data[i + 3] == 0) | |
445 | { | |
446 | if (done_dot == false) | |
447 | { | |
448 | printf ("...\n"); | |
449 | done_dot = true; | |
65cceb78 | 450 | } |
aa0a709a | 451 | i += 4; |
65cceb78 | 452 | } |
aa0a709a SC |
453 | else |
454 | { | |
455 | done_dot = false; | |
456 | if (with_line_numbers) | |
457 | { | |
aa0a709a SC |
458 | CONST char *filename; |
459 | CONST char *functionname; | |
460 | unsigned int line; | |
461 | ||
d9971b83 KR |
462 | if (bfd_find_nearest_line (abfd, |
463 | section, | |
464 | syms, | |
465 | section->vma + i, | |
466 | &filename, | |
467 | &functionname, | |
2e8adbd7 | 468 | &line)) |
aa0a709a | 469 | { |
2e8adbd7 PB |
470 | if (functionname && *functionname |
471 | && strcmp(functionname, prev_function)) | |
472 | { | |
473 | printf ("%s():\n", functionname); | |
474 | prev_function = functionname; | |
475 | } | |
476 | if (!filename) | |
477 | filename = "???"; | |
478 | if (line && line != prevline) | |
479 | { | |
480 | printf ("%s:%u\n", filename, line); | |
481 | prevline = line; | |
482 | } | |
aa0a709a SC |
483 | } |
484 | } | |
485 | print_address (section->vma + i, stdout); | |
486 | printf (" "); | |
65cceb78 | 487 | |
2e8adbd7 PB |
488 | if (disassemble) /* New style */ |
489 | i += (*disassemble)(section->vma + i, | |
490 | data + i, | |
491 | &disasm_info); | |
492 | else /* Old style */ | |
d9971b83 KR |
493 | i += print (section->vma + i, |
494 | data + i, | |
495 | stdout); | |
aa0a709a SC |
496 | putchar ('\n'); |
497 | } | |
96d7950b | 498 | } |
aa0a709a | 499 | free (data); |
96d7950b | 500 | } |
2fa0b342 | 501 | } |
2fa0b342 | 502 | } |
73b8f102 JG |
503 | \f |
504 | #ifdef ELF_STAB_DISPLAY | |
505 | ||
506 | /* Define a table of stab values and print-strings. We wish the initializer | |
507 | could be a direct-mapped table, but instead we build one the first | |
508 | time we need it. */ | |
509 | ||
510 | #define STAB_STRING_LENGTH 6 | |
511 | ||
512 | char stab_name[256][STAB_STRING_LENGTH]; | |
513 | ||
514 | struct stab_print { | |
515 | int value; | |
516 | char string[STAB_STRING_LENGTH]; | |
517 | }; | |
518 | ||
519 | struct stab_print stab_print[] = { | |
520 | #define __define_stab(NAME, CODE, STRING) {CODE, STRING}, | |
521 | #include "aout/stab.def" | |
522 | #undef __define_stab | |
523 | {0, 0} | |
524 | }; | |
525 | ||
249c6fc0 RS |
526 | void dump_elf_stabs_1 (); |
527 | ||
73b8f102 JG |
528 | /* This is a kludge for dumping the stabs section from an ELF file that |
529 | uses Sun stabs encoding. It has to use some hooks into BFD because | |
530 | string table sections are not normally visible to BFD callers. */ | |
531 | ||
532 | void | |
533 | dump_elf_stabs (abfd) | |
534 | bfd *abfd; | |
535 | { | |
249c6fc0 | 536 | int i; |
73b8f102 JG |
537 | |
538 | /* Initialize stab name array if first time. */ | |
539 | if (stab_name[0][0] == 0) | |
540 | { | |
541 | /* Fill in numeric values for all possible strings. */ | |
542 | for (i = 0; i < 256; i++) | |
543 | { | |
544 | sprintf (stab_name[i], "%d", i); | |
545 | } | |
546 | for (i = 0; stab_print[i].string[0]; i++) | |
547 | strcpy (stab_name[stab_print[i].value], stab_print[i].string); | |
548 | } | |
549 | ||
550 | if (0 != strncmp ("elf", abfd->xvec->name, 3)) | |
551 | { | |
552 | fprintf (stderr, "%s: %s is not in ELF format.\n", program_name, | |
553 | abfd->filename); | |
554 | return; | |
555 | } | |
556 | ||
249c6fc0 RS |
557 | dump_elf_stabs_1 (abfd, ".stab", ".stabstr"); |
558 | dump_elf_stabs_1 (abfd, ".stab.excl", ".stab.exclstr"); | |
559 | dump_elf_stabs_1 (abfd, ".stab.index", ".stab.indexstr"); | |
560 | } | |
561 | ||
562 | void | |
563 | dump_elf_stabs_1 (abfd, name1, name2) | |
564 | bfd *abfd; | |
565 | char *name1; /* Section name of .stab */ | |
566 | char *name2; /* Section name of its string section */ | |
567 | { | |
568 | Elf_Internal_Shdr *stab_hdr, *stabstr_hdr; | |
569 | char *strtab; | |
570 | struct internal_nlist *stabs, *stabs_end; | |
571 | int i; | |
572 | unsigned file_string_table_offset, next_file_string_table_offset; | |
573 | ||
574 | stab_hdr = bfd_elf_find_section (abfd, name1); | |
73b8f102 JG |
575 | if (0 == stab_hdr) |
576 | { | |
249c6fc0 | 577 | printf ("Contents of %s section: none.\n\n", name1); |
73b8f102 JG |
578 | return; |
579 | } | |
580 | ||
249c6fc0 | 581 | stabstr_hdr = bfd_elf_find_section (abfd, name2); |
73b8f102 JG |
582 | if (0 == stabstr_hdr) |
583 | { | |
249c6fc0 RS |
584 | fprintf (stderr, "%s: %s has no %s section.\n", program_name, |
585 | abfd->filename, name2); | |
73b8f102 JG |
586 | return; |
587 | } | |
588 | ||
589 | stabs = (struct internal_nlist *) xmalloc (stab_hdr ->sh_size); | |
590 | strtab = (char *) xmalloc (stabstr_hdr->sh_size); | |
591 | stabs_end = (struct internal_nlist *) (stab_hdr->sh_size + (char *)stabs); | |
592 | ||
d9971b83 | 593 | if (bfd_seek (abfd, stab_hdr->sh_offset, SEEK_SET) < 0 || |
73b8f102 JG |
594 | stab_hdr->sh_size != bfd_read ((PTR)stabs, stab_hdr->sh_size, 1, abfd)) |
595 | { | |
249c6fc0 RS |
596 | fprintf (stderr, "%s: reading %s section of %s failed.\n", |
597 | program_name, name1, | |
73b8f102 JG |
598 | abfd->filename); |
599 | return; | |
600 | } | |
2fa0b342 | 601 | |
d9971b83 | 602 | if (bfd_seek (abfd, stabstr_hdr->sh_offset, SEEK_SET) < 0 || |
73b8f102 JG |
603 | stabstr_hdr->sh_size != bfd_read ((PTR)strtab, stabstr_hdr->sh_size, |
604 | 1, abfd)) | |
605 | { | |
249c6fc0 RS |
606 | fprintf (stderr, "%s: reading %s section of %s failed.\n", |
607 | program_name, name2, | |
73b8f102 JG |
608 | abfd->filename); |
609 | return; | |
610 | } | |
611 | ||
612 | #define SWAP_SYMBOL(symp, abfd) \ | |
613 | { \ | |
614 | (symp)->n_strx = bfd_h_get_32(abfd, \ | |
615 | (unsigned char *)&(symp)->n_strx); \ | |
616 | (symp)->n_desc = bfd_h_get_16 (abfd, \ | |
617 | (unsigned char *)&(symp)->n_desc); \ | |
618 | (symp)->n_value = bfd_h_get_32 (abfd, \ | |
619 | (unsigned char *)&(symp)->n_value); \ | |
620 | } | |
621 | ||
249c6fc0 | 622 | printf ("Contents of %s section:\n\n", name1); |
73b8f102 JG |
623 | printf ("Symnum n_type n_othr n_desc n_value n_strx String\n"); |
624 | ||
249c6fc0 RS |
625 | file_string_table_offset = 0; |
626 | next_file_string_table_offset = 0; | |
627 | ||
628 | /* Loop through all symbols and print them. | |
629 | ||
630 | We start the index at -1 because there is a dummy symbol on | |
73b8f102 | 631 | the front of Sun's stabs-in-elf sections. */ |
249c6fc0 | 632 | |
73b8f102 JG |
633 | for (i = -1; stabs < stabs_end; stabs++, i++) |
634 | { | |
635 | SWAP_SYMBOL (stabs, abfd); | |
636 | printf ("\n%-6d %-6s %-6d %-6d %08x %-6d", i, | |
637 | stab_name [stabs->n_type], | |
638 | stabs->n_other, stabs->n_desc, stabs->n_value, | |
639 | stabs->n_strx); | |
249c6fc0 RS |
640 | |
641 | /* Symbols with type == 0 (N_UNDF) specify the length of the | |
642 | string table associated with this file. We use that info | |
643 | to know how to relocate the *next* file's string table indices. */ | |
644 | ||
645 | if (stabs->n_type == N_UNDF) | |
646 | { | |
647 | file_string_table_offset = next_file_string_table_offset; | |
648 | next_file_string_table_offset += stabs->n_value; | |
649 | } | |
650 | ||
651 | /* Now, using the possibly updated string table offset, print the | |
652 | string (if any) associated with this symbol. */ | |
653 | ||
654 | if ((stabs->n_strx + file_string_table_offset) < stabstr_hdr->sh_size) | |
655 | printf (" %s", &strtab[stabs->n_strx + file_string_table_offset]); | |
656 | else | |
657 | printf (" *"); | |
73b8f102 JG |
658 | } |
659 | printf ("\n\n"); | |
660 | } | |
661 | #endif /* ELF_STAB_DISPLAY */ | |
249c6fc0 | 662 | |
2fa0b342 DHW |
663 | display_bfd (abfd) |
664 | bfd *abfd; | |
665 | { | |
666 | ||
aa0a709a SC |
667 | if (!bfd_check_format (abfd, bfd_object)) |
668 | { | |
669 | fprintf (stderr, "%s: %s not an object file\n", program_name, | |
670 | abfd->filename); | |
671 | return; | |
672 | } | |
2fa0b342 | 673 | printf ("\n%s: file format %s\n", abfd->filename, abfd->xvec->name); |
aa0a709a SC |
674 | if (dump_ar_hdrs) |
675 | print_arelt_descr (stdout, abfd, true); | |
2fa0b342 | 676 | |
aa0a709a SC |
677 | if (dump_file_header) |
678 | { | |
679 | char *comma = ""; | |
680 | ||
681 | printf ("architecture: %s, ", | |
682 | bfd_printable_arch_mach (bfd_get_arch (abfd), | |
683 | bfd_get_mach (abfd))); | |
684 | printf ("flags 0x%08x:\n", abfd->flags); | |
2fa0b342 | 685 | |
2fa0b342 | 686 | #define PF(x, y) if (abfd->flags & x) {printf("%s%s", comma, y); comma=", ";} |
aa0a709a SC |
687 | PF (HAS_RELOC, "HAS_RELOC"); |
688 | PF (EXEC_P, "EXEC_P"); | |
689 | PF (HAS_LINENO, "HAS_LINENO"); | |
690 | PF (HAS_DEBUG, "HAS_DEBUG"); | |
691 | PF (HAS_SYMS, "HAS_SYMS"); | |
692 | PF (HAS_LOCALS, "HAS_LOCALS"); | |
693 | PF (DYNAMIC, "DYNAMIC"); | |
694 | PF (WP_TEXT, "WP_TEXT"); | |
695 | PF (D_PAGED, "D_PAGED"); | |
249c6fc0 | 696 | PF (BFD_IS_RELAXABLE, "BFD_IS_RELAXABLE"); |
aa0a709a SC |
697 | printf ("\nstart address 0x"); |
698 | printf_vma (abfd->start_address); | |
699 | } | |
700 | printf ("\n"); | |
2fa0b342 DHW |
701 | |
702 | if (dump_section_headers) | |
aa0a709a SC |
703 | dump_headers (abfd); |
704 | if (dump_symtab || dump_reloc_info || disassemble) | |
705 | { | |
706 | syms = slurp_symtab (abfd); | |
707 | } | |
708 | if (dump_symtab) | |
709 | dump_symbols (abfd); | |
73b8f102 JG |
710 | #ifdef ELF_STAB_DISPLAY |
711 | if (dump_stab_section_info) | |
712 | dump_elf_stabs (abfd); | |
713 | #endif | |
aa0a709a SC |
714 | if (dump_reloc_info) |
715 | dump_relocs (abfd); | |
716 | if (dump_section_contents) | |
717 | dump_data (abfd); | |
718 | if (disassemble) | |
719 | disassemble_data (abfd); | |
2fa0b342 DHW |
720 | } |
721 | ||
d9971b83 | 722 | static void |
2fa0b342 DHW |
723 | display_file (filename, target) |
724 | char *filename; | |
725 | char *target; | |
726 | { | |
727 | bfd *file, *arfile = (bfd *) NULL; | |
728 | ||
729 | file = bfd_openr (filename, target); | |
aa0a709a SC |
730 | if (file == NULL) |
731 | { | |
732 | bfd_perror (filename); | |
733 | return; | |
734 | } | |
2fa0b342 | 735 | |
aa0a709a SC |
736 | if (bfd_check_format (file, bfd_archive) == true) |
737 | { | |
738 | printf ("In archive %s:\n", bfd_get_filename (file)); | |
739 | for (;;) | |
740 | { | |
741 | bfd_error = no_error; | |
742 | ||
743 | arfile = bfd_openr_next_archived_file (file, arfile); | |
744 | if (arfile == NULL) | |
745 | { | |
746 | if (bfd_error != no_more_archived_files) | |
747 | bfd_perror (bfd_get_filename (file)); | |
748 | return; | |
749 | } | |
2fa0b342 | 750 | |
aa0a709a SC |
751 | display_bfd (arfile); |
752 | /* Don't close the archive elements; we need them for next_archive */ | |
753 | } | |
2fa0b342 | 754 | } |
2fa0b342 | 755 | else |
aa0a709a | 756 | display_bfd (file); |
2fa0b342 | 757 | |
aa0a709a | 758 | bfd_close (file); |
2fa0b342 DHW |
759 | } |
760 | \f | |
761 | /* Actually display the various requested regions */ | |
762 | ||
d9971b83 | 763 | static void |
2fa0b342 DHW |
764 | dump_data (abfd) |
765 | bfd *abfd; | |
766 | { | |
767 | asection *section; | |
aa0a709a | 768 | bfd_byte *data = 0; |
fc5d6074 SC |
769 | bfd_size_type datasize = 0; |
770 | bfd_size_type i; | |
2fa0b342 DHW |
771 | |
772 | for (section = abfd->sections; section != NULL; section = | |
aa0a709a SC |
773 | section->next) |
774 | { | |
775 | int onaline = 16; | |
2fa0b342 | 776 | |
aa0a709a SC |
777 | if (only == (char *) NULL || |
778 | strcmp (only, section->name) == 0) | |
60c80016 | 779 | { |
aa0a709a SC |
780 | if (section->flags & SEC_HAS_CONTENTS) |
781 | { | |
782 | printf ("Contents of section %s:\n", section->name); | |
783 | ||
784 | if (bfd_get_section_size_before_reloc (section) == 0) | |
785 | continue; | |
786 | data = (bfd_byte *) malloc (bfd_get_section_size_before_reloc (section)); | |
787 | if (data == (bfd_byte *) NULL) | |
788 | { | |
789 | fprintf (stderr, "%s: memory exhausted.\n", program_name); | |
790 | exit (1); | |
791 | } | |
792 | datasize = bfd_get_section_size_before_reloc (section); | |
2fa0b342 | 793 | |
2fa0b342 | 794 | |
aa0a709a | 795 | bfd_get_section_contents (abfd, section, (PTR) data, 0, bfd_get_section_size_before_reloc (section)); |
2fa0b342 | 796 | |
aa0a709a SC |
797 | for (i = 0; i < bfd_get_section_size_before_reloc (section); i += onaline) |
798 | { | |
799 | bfd_size_type j; | |
800 | ||
801 | printf (" %04lx ", (unsigned long int) (i + section->vma)); | |
802 | for (j = i; j < i + onaline; j++) | |
803 | { | |
804 | if (j < bfd_get_section_size_before_reloc (section)) | |
805 | printf ("%02x", (unsigned) (data[j])); | |
806 | else | |
807 | printf (" "); | |
808 | if ((j & 3) == 3) | |
809 | printf (" "); | |
810 | } | |
2fa0b342 | 811 | |
aa0a709a SC |
812 | printf (" "); |
813 | for (j = i; j < i + onaline; j++) | |
814 | { | |
815 | if (j >= bfd_get_section_size_before_reloc (section)) | |
816 | printf (" "); | |
817 | else | |
818 | printf ("%c", isprint (data[j]) ? data[j] : '.'); | |
819 | } | |
820 | putchar ('\n'); | |
821 | } | |
d9971b83 | 822 | free (data); |
60c80016 | 823 | } |
2fa0b342 | 824 | } |
2fa0b342 | 825 | } |
2fa0b342 DHW |
826 | } |
827 | ||
2fa0b342 | 828 | /* Should perhaps share code and display with nm? */ |
d9971b83 | 829 | static void |
2fa0b342 DHW |
830 | dump_symbols (abfd) |
831 | bfd *abfd; | |
832 | { | |
833 | ||
834 | unsigned int count; | |
835 | asymbol **current = syms; | |
2fa0b342 | 836 | |
aa0a709a | 837 | printf ("SYMBOL TABLE:\n"); |
e779a58c | 838 | |
aa0a709a SC |
839 | for (count = 0; count < symcount; count++) |
840 | { | |
2fa0b342 | 841 | |
d9971b83 | 842 | if (*current) |
aa0a709a | 843 | { |
d9971b83 KR |
844 | bfd *cur_bfd = bfd_asymbol_bfd(*current); |
845 | if (cur_bfd) | |
846 | { | |
847 | bfd_print_symbol (cur_bfd, | |
848 | stdout, | |
849 | *current, bfd_print_symbol_all); | |
850 | printf ("\n"); | |
851 | } | |
aa0a709a SC |
852 | |
853 | } | |
854 | current++; | |
2fa0b342 | 855 | } |
aa0a709a SC |
856 | printf ("\n"); |
857 | printf ("\n"); | |
2fa0b342 DHW |
858 | } |
859 | ||
d9971b83 | 860 | static void |
aa0a709a SC |
861 | dump_relocs (abfd) |
862 | bfd *abfd; | |
2fa0b342 DHW |
863 | { |
864 | arelent **relpp; | |
865 | unsigned int relcount; | |
866 | asection *a; | |
aa0a709a SC |
867 | |
868 | for (a = abfd->sections; a != (asection *) NULL; a = a->next) | |
869 | { | |
870 | if (a == &bfd_abs_section) | |
871 | continue; | |
872 | if (a == &bfd_und_section) | |
873 | continue; | |
d9971b83 | 874 | if (bfd_is_com_section (a)) |
aa0a709a SC |
875 | continue; |
876 | ||
877 | printf ("RELOCATION RECORDS FOR [%s]:", a->name); | |
878 | ||
879 | if (bfd_get_reloc_upper_bound (abfd, a) == 0) | |
880 | { | |
881 | printf (" (none)\n\n"); | |
d20f480f | 882 | } |
aa0a709a SC |
883 | else |
884 | { | |
d20f480f SC |
885 | arelent **p; |
886 | ||
aa0a709a SC |
887 | relpp = (arelent **) xmalloc (bfd_get_reloc_upper_bound (abfd, a)); |
888 | relcount = bfd_canonicalize_reloc (abfd, a, relpp, syms); | |
889 | if (relcount == 0) | |
890 | { | |
891 | printf (" (none)\n\n"); | |
d20f480f | 892 | } |
aa0a709a SC |
893 | else |
894 | { | |
895 | printf ("\n"); | |
896 | printf ("OFFSET TYPE VALUE \n"); | |
d20f480f | 897 | |
aa0a709a SC |
898 | for (p = relpp; relcount && *p != (arelent *) NULL; p++, |
899 | relcount--) | |
900 | { | |
d20f480f SC |
901 | arelent *q = *p; |
902 | CONST char *sym_name; | |
aa0a709a | 903 | |
d20f480f SC |
904 | /* CONST char *section_name = q->section == (asection *)NULL ? "*abs" :*/ |
905 | /* q->section->name;*/ | |
aa0a709a SC |
906 | CONST char *section_name = (*(q->sym_ptr_ptr))->section->name; |
907 | ||
908 | if (q->sym_ptr_ptr && *q->sym_ptr_ptr) | |
909 | { | |
910 | sym_name = (*(q->sym_ptr_ptr))->name; | |
d20f480f | 911 | } |
aa0a709a SC |
912 | else |
913 | { | |
d20f480f SC |
914 | sym_name = 0; |
915 | } | |
aa0a709a SC |
916 | if (sym_name) |
917 | { | |
918 | printf_vma (q->address); | |
919 | printf (" %-8s %s", | |
920 | q->howto->name, | |
921 | sym_name); | |
d20f480f | 922 | } |
aa0a709a SC |
923 | else |
924 | { | |
925 | printf_vma (q->address); | |
926 | printf (" %-8s [%s]", | |
927 | q->howto->name, | |
928 | section_name); | |
d20f480f | 929 | } |
aa0a709a SC |
930 | if (q->addend) |
931 | { | |
932 | printf ("+0x"); | |
933 | printf_vma (q->addend); | |
d20f480f | 934 | } |
aa0a709a | 935 | printf ("\n"); |
d20f480f | 936 | } |
aa0a709a SC |
937 | printf ("\n\n"); |
938 | free (relpp); | |
d20f480f | 939 | } |
2fa0b342 | 940 | } |
2fa0b342 | 941 | |
d20f480f | 942 | } |
2fa0b342 DHW |
943 | } |
944 | ||
aa0a709a SC |
945 | #ifdef unix |
946 | #define _DUMMY_NAME_ "/dev/null" | |
947 | #else | |
948 | #define _DUMMY_NAME_ "##dummy" | |
949 | #endif | |
9872a49c | 950 | static void |
aa0a709a SC |
951 | DEFUN (display_info_table, (first, last), |
952 | int first AND int last) | |
9872a49c | 953 | { |
3fdbfe8d | 954 | unsigned int i, j; |
9872a49c SC |
955 | extern bfd_target *target_vector[]; |
956 | ||
aa0a709a SC |
957 | printf ("\n%12s", " "); |
958 | for (i = first; i++ < last && target_vector[i];) | |
959 | printf ("%s ", target_vector[i]->name); | |
960 | printf ("\n"); | |
9872a49c | 961 | |
aa0a709a SC |
962 | for (j = (int) bfd_arch_obscure + 1; (int) j < (int) bfd_arch_last; j++) |
963 | if (strcmp (bfd_printable_arch_mach (j, 0), "UNKNOWN!") != 0) | |
e779a58c | 964 | { |
aa0a709a SC |
965 | printf ("%11s ", bfd_printable_arch_mach (j, 0)); |
966 | for (i = first; i++ < last && target_vector[i];) | |
967 | { | |
968 | bfd_target *p = target_vector[i]; | |
969 | bfd *abfd = bfd_openw (_DUMMY_NAME_, p->name); | |
970 | int l = strlen (p->name); | |
249c6fc0 RS |
971 | int ok; |
972 | bfd_set_format (abfd, bfd_object); | |
973 | ok = bfd_set_arch_mach (abfd, j, 0); | |
aa0a709a SC |
974 | |
975 | if (ok) | |
976 | printf ("%s ", p->name); | |
977 | else | |
e779a58c | 978 | { |
aa0a709a SC |
979 | while (l--) |
980 | printf ("%c", ok ? '*' : '-'); | |
981 | printf (" "); | |
e779a58c | 982 | } |
e779a58c | 983 | } |
aa0a709a | 984 | printf ("\n"); |
e779a58c | 985 | } |
9872a49c | 986 | } |
aa0a709a SC |
987 | |
988 | static void | |
989 | DEFUN_VOID (display_info) | |
990 | { | |
991 | char *colum; | |
992 | unsigned int i, j, columns; | |
993 | extern bfd_target *target_vector[]; | |
994 | extern char *getenv (); | |
995 | ||
996 | printf ("BFD header file version %s\n", BFD_VERSION); | |
997 | for (i = 0; target_vector[i]; i++) | |
998 | { | |
999 | bfd_target *p = target_vector[i]; | |
1000 | bfd *abfd = bfd_openw (_DUMMY_NAME_, p->name); | |
249c6fc0 | 1001 | bfd_set_format (abfd, bfd_object); |
aa0a709a SC |
1002 | printf ("%s\n (header %s, data %s)\n", p->name, |
1003 | p->header_byteorder_big_p ? "big endian" : "little endian", | |
1004 | p->byteorder_big_p ? "big endian" : "little endian"); | |
1005 | for (j = (int) bfd_arch_obscure + 1; j < (int) bfd_arch_last; j++) | |
1006 | if (bfd_set_arch_mach (abfd, (enum bfd_architecture) j, 0)) | |
1007 | printf (" %s\n", | |
1008 | bfd_printable_arch_mach ((enum bfd_architecture) j, 0)); | |
1009 | } | |
1010 | columns = 0; | |
1011 | if (colum = getenv ("COLUMNS")) | |
1012 | columns = atoi (colum); | |
1013 | if (!columns) | |
1014 | columns = 80; | |
1015 | for (i = 0; target_vector[i];) | |
1016 | { | |
1017 | int old; | |
1018 | old = i; | |
1019 | for (j = 12; target_vector[i] && j < columns; i++) | |
1020 | j += strlen (target_vector[i]->name) + 1; | |
1021 | i--; | |
1022 | if (old == i) | |
1023 | break; | |
1024 | display_info_table (old, i); | |
1025 | } | |
1026 | } | |
1027 | ||
2fa0b342 DHW |
1028 | /** main and like trivia */ |
1029 | int | |
1030 | main (argc, argv) | |
1031 | int argc; | |
1032 | char **argv; | |
1033 | { | |
1034 | int c; | |
1035 | extern int optind; | |
1036 | extern char *optarg; | |
1037 | char *target = default_target; | |
1038 | boolean seenflag = false; | |
1039 | int ind = 0; | |
1040 | ||
aa0a709a | 1041 | bfd_init (); |
2fa0b342 DHW |
1042 | program_name = *argv; |
1043 | ||
249c6fc0 | 1044 | while ((c = getopt_long (argc, argv, "ib:m:Vdlfahrtxsj:", long_options, &ind)) |
aa0a709a SC |
1045 | != EOF) |
1046 | { | |
1047 | seenflag = true; | |
1048 | switch (c) | |
1049 | { | |
1050 | case 'm': | |
1051 | machine = optarg; | |
1052 | break; | |
1053 | case 'j': | |
1054 | only = optarg; | |
1055 | break; | |
1056 | case 'l': | |
1057 | with_line_numbers = 1; | |
1058 | break; | |
1059 | case 'b': | |
1060 | target = optarg; | |
1061 | break; | |
1062 | case 'f': | |
1063 | dump_file_header = true; | |
1064 | break; | |
1065 | case 'i': | |
1066 | info = true; | |
1067 | break; | |
1068 | case 'x': | |
1069 | dump_symtab = 1; | |
1070 | dump_reloc_info = 1; | |
1071 | dump_file_header = true; | |
1072 | dump_ar_hdrs = 1; | |
1073 | dump_section_headers = 1; | |
1074 | break; | |
1075 | case 0: | |
1076 | break; /* we've been given a long option */ | |
1077 | case 't': | |
1078 | dump_symtab = 1; | |
1079 | break; | |
1080 | case 'd': | |
1081 | disassemble = true; | |
1082 | break; | |
1083 | case 's': | |
1084 | dump_section_contents = 1; | |
1085 | break; | |
1086 | case 'r': | |
1087 | dump_reloc_info = 1; | |
1088 | break; | |
1089 | case 'a': | |
1090 | dump_ar_hdrs = 1; | |
1091 | break; | |
1092 | case 'h': | |
1093 | dump_section_headers = 1; | |
1094 | break; | |
249c6fc0 RS |
1095 | case 'V': |
1096 | show_version = 1; | |
1097 | break; | |
aa0a709a SC |
1098 | default: |
1099 | usage (); | |
1100 | } | |
2fa0b342 | 1101 | } |
2fa0b342 | 1102 | |
249c6fc0 RS |
1103 | if (show_version) |
1104 | printf ("%s version %s\n", program_name, program_version); | |
1105 | ||
2fa0b342 DHW |
1106 | if (seenflag == false) |
1107 | usage (); | |
1108 | ||
aa0a709a SC |
1109 | if (info) |
1110 | { | |
1111 | display_info (); | |
1112 | } | |
1113 | else | |
1114 | { | |
1115 | if (optind == argc) | |
1116 | display_file ("a.out", target); | |
1117 | else | |
1118 | for (; optind < argc;) | |
1119 | display_file (argv[optind++], target); | |
1120 | } | |
2fa0b342 DHW |
1121 | return 0; |
1122 | } |