Commit | Line | Data |
---|---|---|
d20f480f | 1 | /* objdump.c -- dump information about an object file. |
54f74247 | 2 | Copyright 1990, 91, 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc. |
2fa0b342 | 3 | |
b3a2b497 | 4 | This file is part of GNU Binutils. |
2fa0b342 | 5 | |
b3a2b497 | 6 | This program is free software; you can redistribute it and/or modify |
2fa0b342 | 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 | ||
b3a2b497 | 11 | This program is distributed in the hope that it will be useful, |
2fa0b342 DHW |
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 | |
b3a2b497 | 17 | along with this program; if not, write to the Free Software |
a65619c8 | 18 | Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
2fa0b342 | 19 | |
2fa0b342 DHW |
20 | #include "bfd.h" |
21 | #include "getopt.h" | |
be1d162b | 22 | #include "progress.h" |
e1ec9f07 | 23 | #include "bucomm.h" |
2fa0b342 | 24 | #include <ctype.h> |
2e8adbd7 | 25 | #include "dis-asm.h" |
105da05c | 26 | #include "libiberty.h" |
e1c14599 ILT |
27 | #include "debug.h" |
28 | #include "budbg.h" | |
2fa0b342 | 29 | |
7fc01fc9 ILT |
30 | #ifdef ANSI_PROTOTYPES |
31 | #include <stdarg.h> | |
32 | #else | |
33 | #include <varargs.h> | |
34 | #endif | |
35 | ||
73b8f102 JG |
36 | /* Internal headers for the ELF .stab-dump code - sorry. */ |
37 | #define BYTES_IN_WORD 32 | |
38 | #include "aout/aout64.h" | |
bf661056 | 39 | |
746cffcf ILT |
40 | #ifdef NEED_DECLARATION_FPRINTF |
41 | /* This is needed by INIT_DISASSEMBLE_INFO. */ | |
7fc01fc9 | 42 | extern int fprintf PARAMS ((FILE *, const char *, ...)); |
80d19ec1 | 43 | #endif |
2fa0b342 | 44 | |
18f39dfa | 45 | static char *default_target = NULL; /* default at runtime */ |
2fa0b342 | 46 | |
18f39dfa SG |
47 | static int show_version = 0; /* show the version number */ |
48 | static int dump_section_contents; /* -s */ | |
49 | static int dump_section_headers; /* -h */ | |
50 | static boolean dump_file_header; /* -f */ | |
51 | static int dump_symtab; /* -t */ | |
52 | static int dump_dynamic_symtab; /* -T */ | |
53 | static int dump_reloc_info; /* -r */ | |
54 | static int dump_dynamic_reloc_info; /* -R */ | |
55 | static int dump_ar_hdrs; /* -a */ | |
56 | static int dump_private_headers; /* -p */ | |
b4aabb24 | 57 | static int prefix_addresses; /* --prefix-addresses */ |
18f39dfa SG |
58 | static int with_line_numbers; /* -l */ |
59 | static boolean with_source_code; /* -S */ | |
60 | static int show_raw_insn; /* --show-raw-insn */ | |
61 | static int dump_stab_section_info; /* --stabs */ | |
62 | static boolean disassemble; /* -d */ | |
63 | static boolean disassemble_all; /* -D */ | |
51b8c416 | 64 | static int disassemble_zeroes; /* --disassemble-zeroes */ |
18f39dfa SG |
65 | static boolean formats_info; /* -i */ |
66 | static char *only; /* -j secname */ | |
67 | static int wide_output; /* -w */ | |
68 | static bfd_vma start_address = (bfd_vma) -1; /* --start-address */ | |
69 | static bfd_vma stop_address = (bfd_vma) -1; /* --stop-address */ | |
70 | static int dump_debugging; /* --debugging */ | |
195d1adf | 71 | |
cef35d48 | 72 | /* Extra info to pass to the disassembler address printing function. */ |
195d1adf KR |
73 | struct objdump_disasm_info { |
74 | bfd *abfd; | |
75 | asection *sec; | |
8b129785 | 76 | boolean require_sec; |
195d1adf | 77 | }; |
2fa0b342 | 78 | |
cef35d48 | 79 | /* Architecture to disassemble for, or default if NULL. */ |
18f39dfa SG |
80 | static char *machine = (char *) NULL; |
81 | ||
82 | /* Endianness to disassemble for, or default if BFD_ENDIAN_UNKNOWN. */ | |
83 | static enum bfd_endian endian = BFD_ENDIAN_UNKNOWN; | |
f7b839f7 DM |
84 | |
85 | /* The symbol table. */ | |
18f39dfa | 86 | static asymbol **syms; |
2fa0b342 | 87 | |
f7b839f7 | 88 | /* Number of symbols in `syms'. */ |
18f39dfa | 89 | static long symcount = 0; |
2fa0b342 | 90 | |
be1d162b | 91 | /* The sorted symbol table. */ |
18f39dfa | 92 | static asymbol **sorted_syms; |
be1d162b ILT |
93 | |
94 | /* Number of symbols in `sorted_syms'. */ | |
18f39dfa | 95 | static long sorted_symcount = 0; |
be1d162b | 96 | |
de3b08ac | 97 | /* The dynamic symbol table. */ |
18f39dfa | 98 | static asymbol **dynsyms; |
de3b08ac ILT |
99 | |
100 | /* Number of symbols in `dynsyms'. */ | |
18f39dfa | 101 | static long dynsymcount = 0; |
de3b08ac | 102 | |
d9971b83 KR |
103 | /* Forward declarations. */ |
104 | ||
105 | static void | |
106 | display_file PARAMS ((char *filename, char *target)); | |
107 | ||
108 | static void | |
109 | dump_data PARAMS ((bfd *abfd)); | |
110 | ||
111 | static void | |
112 | dump_relocs PARAMS ((bfd *abfd)); | |
113 | ||
114 | static void | |
de3b08ac ILT |
115 | dump_dynamic_relocs PARAMS ((bfd * abfd)); |
116 | ||
117 | static void | |
18f39dfa | 118 | dump_reloc_set PARAMS ((bfd *, asection *, arelent **, long)); |
de3b08ac ILT |
119 | |
120 | static void | |
121 | dump_symbols PARAMS ((bfd *abfd, boolean dynamic)); | |
02a68547 ILT |
122 | |
123 | static void | |
124 | display_bfd PARAMS ((bfd *abfd)); | |
8f197c94 | 125 | |
c5ba2759 | 126 | static void |
51b8c416 | 127 | objdump_print_value PARAMS ((bfd_vma, struct disassemble_info *, boolean)); |
c5ba2759 | 128 | |
b4aabb24 ILT |
129 | static asymbol * |
130 | find_symbol_for_address PARAMS ((bfd *, asection *, bfd_vma, boolean, long *)); | |
131 | ||
132 | static void | |
133 | objdump_print_addr_with_sym PARAMS ((bfd *, asection *, asymbol *, bfd_vma, | |
51b8c416 ILT |
134 | struct disassemble_info *, boolean)); |
135 | ||
136 | static void | |
137 | objdump_print_addr PARAMS ((bfd_vma, struct disassemble_info *, boolean)); | |
b4aabb24 | 138 | |
8f197c94 ILT |
139 | static void |
140 | objdump_print_address PARAMS ((bfd_vma, struct disassemble_info *)); | |
be1d162b ILT |
141 | |
142 | static void | |
143 | show_line PARAMS ((bfd *, asection *, bfd_vma)); | |
e1c14599 | 144 | |
b4aabb24 ILT |
145 | static void |
146 | disassemble_bytes PARAMS ((struct disassemble_info *, disassembler_ftype, | |
147 | boolean, bfd_byte *, long, long, arelent ***, | |
148 | arelent **)); | |
149 | ||
150 | static void | |
151 | disassemble_data PARAMS ((bfd *)); | |
152 | ||
e1c14599 ILT |
153 | static const char * |
154 | endian_string PARAMS ((enum bfd_endian)); | |
d9971b83 | 155 | \f |
18f39dfa | 156 | static void |
b3a2b497 ILT |
157 | usage (stream, status) |
158 | FILE *stream; | |
159 | int status; | |
2fa0b342 | 160 | { |
b3a2b497 | 161 | fprintf (stream, "\ |
a65619c8 | 162 | Usage: %s [-ahifdDprRtTxsSlw] [-b bfdname] [-m machine] [-j section-name]\n\ |
e1c14599 | 163 | [--archive-headers] [--target=bfdname] [--debugging] [--disassemble]\n\ |
51b8c416 ILT |
164 | [--disassemble-all] [--disassemble-zeroes] [--file-headers]\n\ |
165 | [--section-headers] [--headers]\n\ | |
13e4db2e SC |
166 | [--info] [--section=section-name] [--line-numbers] [--source]\n", |
167 | program_name); | |
168 | fprintf (stream, "\ | |
d5464baa ILT |
169 | [--architecture=machine] [--reloc] [--full-contents] [--stabs]\n\ |
170 | [--syms] [--all-headers] [--dynamic-syms] [--dynamic-reloc]\n\ | |
aa21a2a9 | 171 | [--wide] [--version] [--help] [--private-headers]\n\ |
458bbd1f | 172 | [--start-address=addr] [--stop-address=addr]\n\ |
b4aabb24 ILT |
173 | [--prefix-addresses] [--show-raw-insn]\n\ |
174 | [-EB|-EL] [--endian={big|little}] objfile...\n\ | |
13e4db2e | 175 | at least one option besides -l (--line-numbers) must be given\n"); |
be1d162b | 176 | list_supported_targets (program_name, stream); |
7f924d55 ILT |
177 | if (status == 0) |
178 | fprintf (stream, "Report bugs to bug-gnu-utils@prep.ai.mit.edu\n"); | |
b3a2b497 | 179 | exit (status); |
2fa0b342 DHW |
180 | } |
181 | ||
aa21a2a9 ILT |
182 | /* 150 isn't special; it's just an arbitrary non-ASCII char value. */ |
183 | ||
18f39dfa SG |
184 | #define OPTION_ENDIAN (150) |
185 | #define OPTION_START_ADDRESS (OPTION_ENDIAN + 1) | |
aa21a2a9 ILT |
186 | #define OPTION_STOP_ADDRESS (OPTION_START_ADDRESS + 1) |
187 | ||
aa0a709a SC |
188 | static struct option long_options[]= |
189 | { | |
02a68547 | 190 | {"all-headers", no_argument, NULL, 'x'}, |
a65619c8 | 191 | {"private-headers", no_argument, NULL, 'p'}, |
02a68547 ILT |
192 | {"architecture", required_argument, NULL, 'm'}, |
193 | {"archive-headers", no_argument, NULL, 'a'}, | |
e1c14599 | 194 | {"debugging", no_argument, &dump_debugging, 1}, |
02a68547 | 195 | {"disassemble", no_argument, NULL, 'd'}, |
d5464baa | 196 | {"disassemble-all", no_argument, NULL, 'D'}, |
51b8c416 | 197 | {"disassemble-zeroes", no_argument, &disassemble_zeroes, 1}, |
de3b08ac ILT |
198 | {"dynamic-reloc", no_argument, NULL, 'R'}, |
199 | {"dynamic-syms", no_argument, NULL, 'T'}, | |
18f39dfa | 200 | {"endian", required_argument, NULL, OPTION_ENDIAN}, |
02a68547 ILT |
201 | {"file-headers", no_argument, NULL, 'f'}, |
202 | {"full-contents", no_argument, NULL, 's'}, | |
203 | {"headers", no_argument, NULL, 'h'}, | |
204 | {"help", no_argument, NULL, 'H'}, | |
205 | {"info", no_argument, NULL, 'i'}, | |
206 | {"line-numbers", no_argument, NULL, 'l'}, | |
b4aabb24 | 207 | {"prefix-addresses", no_argument, &prefix_addresses, 1}, |
02a68547 ILT |
208 | {"reloc", no_argument, NULL, 'r'}, |
209 | {"section", required_argument, NULL, 'j'}, | |
210 | {"section-headers", no_argument, NULL, 'h'}, | |
458bbd1f | 211 | {"show-raw-insn", no_argument, &show_raw_insn, 1}, |
be1d162b | 212 | {"source", no_argument, NULL, 'S'}, |
73b8f102 | 213 | {"stabs", no_argument, &dump_stab_section_info, 1}, |
aa21a2a9 ILT |
214 | {"start-address", required_argument, NULL, OPTION_START_ADDRESS}, |
215 | {"stop-address", required_argument, NULL, OPTION_STOP_ADDRESS}, | |
02a68547 ILT |
216 | {"syms", no_argument, NULL, 't'}, |
217 | {"target", required_argument, NULL, 'b'}, | |
aa21a2a9 | 218 | {"version", no_argument, &show_version, 1}, |
13e4db2e | 219 | {"wide", no_argument, &wide_output, 'w'}, |
d2442698 DM |
220 | {0, no_argument, 0, 0} |
221 | }; | |
f7b839f7 | 222 | \f |
2fa0b342 | 223 | static void |
f7b839f7 | 224 | dump_section_header (abfd, section, ignored) |
aa0a709a | 225 | bfd *abfd; |
f7b839f7 DM |
226 | asection *section; |
227 | PTR ignored; | |
2fa0b342 | 228 | { |
f7b839f7 | 229 | char *comma = ""; |
aa0a709a | 230 | |
38d7c012 | 231 | printf ("%3d %-13s %08lx ", section->index, |
1efb2ef0 ILT |
232 | bfd_get_section_name (abfd, section), |
233 | (unsigned long) bfd_section_size (abfd, section)); | |
234 | printf_vma (bfd_get_section_vma (abfd, section)); | |
235 | printf (" "); | |
236 | printf_vma (section->lma); | |
237 | printf (" %08lx 2**%u", section->filepos, | |
238 | bfd_get_section_alignment (abfd, section)); | |
239 | if (! wide_output) | |
240 | printf ("\n "); | |
241 | printf (" "); | |
f7b839f7 | 242 | |
1efb2ef0 ILT |
243 | #define PF(x, y) \ |
244 | if (section->flags & x) { printf ("%s%s", comma, y); comma = ", "; } | |
f7b839f7 | 245 | |
1efb2ef0 | 246 | PF (SEC_HAS_CONTENTS, "CONTENTS"); |
f7b839f7 DM |
247 | PF (SEC_ALLOC, "ALLOC"); |
248 | PF (SEC_CONSTRUCTOR, "CONSTRUCTOR"); | |
249 | PF (SEC_CONSTRUCTOR_TEXT, "CONSTRUCTOR TEXT"); | |
250 | PF (SEC_CONSTRUCTOR_DATA, "CONSTRUCTOR DATA"); | |
251 | PF (SEC_CONSTRUCTOR_BSS, "CONSTRUCTOR BSS"); | |
252 | PF (SEC_LOAD, "LOAD"); | |
253 | PF (SEC_RELOC, "RELOC"); | |
195d1adf | 254 | #ifdef SEC_BALIGN |
f7b839f7 | 255 | PF (SEC_BALIGN, "BALIGN"); |
195d1adf | 256 | #endif |
f7b839f7 DM |
257 | PF (SEC_READONLY, "READONLY"); |
258 | PF (SEC_CODE, "CODE"); | |
259 | PF (SEC_DATA, "DATA"); | |
260 | PF (SEC_ROM, "ROM"); | |
261 | PF (SEC_DEBUGGING, "DEBUGGING"); | |
28d1b01e | 262 | PF (SEC_NEVER_LOAD, "NEVER_LOAD"); |
83f4323e | 263 | PF (SEC_EXCLUDE, "EXCLUDE"); |
38d7c012 ILT |
264 | PF (SEC_SORT_ENTRIES, "SORT_ENTRIES"); |
265 | ||
266 | if ((section->flags & SEC_LINK_ONCE) != 0) | |
267 | { | |
268 | const char *ls; | |
269 | ||
270 | switch (section->flags & SEC_LINK_DUPLICATES) | |
271 | { | |
272 | default: | |
273 | abort (); | |
274 | case SEC_LINK_DUPLICATES_DISCARD: | |
275 | ls = "LINK_ONCE_DISCARD"; | |
276 | break; | |
277 | case SEC_LINK_DUPLICATES_ONE_ONLY: | |
278 | ls = "LINK_ONCE_ONE_ONLY"; | |
279 | break; | |
280 | case SEC_LINK_DUPLICATES_SAME_SIZE: | |
281 | ls = "LINK_ONCE_SAME_SIZE"; | |
282 | break; | |
283 | case SEC_LINK_DUPLICATES_SAME_CONTENTS: | |
284 | ls = "LINK_ONCE_SAME_CONTENTS"; | |
285 | break; | |
286 | } | |
287 | printf ("%s%s", comma, ls); | |
288 | comma = ", "; | |
289 | } | |
290 | ||
f7b839f7 | 291 | printf ("\n"); |
2fa0b342 | 292 | #undef PF |
2fa0b342 DHW |
293 | } |
294 | ||
f7b839f7 DM |
295 | static void |
296 | dump_headers (abfd) | |
297 | bfd *abfd; | |
298 | { | |
1efb2ef0 ILT |
299 | printf ("Sections:\n"); |
300 | #ifndef BFD64 | |
301 | printf ("Idx Name Size VMA LMA File off Algn\n"); | |
302 | #else | |
303 | printf ("Idx Name Size VMA LMA File off Algn\n"); | |
304 | #endif | |
f7b839f7 DM |
305 | bfd_map_over_sections (abfd, dump_section_header, (PTR) NULL); |
306 | } | |
307 | \f | |
2fa0b342 | 308 | static asymbol ** |
abdcac0f DM |
309 | slurp_symtab (abfd) |
310 | bfd *abfd; | |
2fa0b342 | 311 | { |
aa0a709a | 312 | asymbol **sy = (asymbol **) NULL; |
ae5d2ff5 | 313 | long storage; |
2fa0b342 | 314 | |
aa0a709a SC |
315 | if (!(bfd_get_file_flags (abfd) & HAS_SYMS)) |
316 | { | |
f7b839f7 | 317 | printf ("No symbols in \"%s\".\n", bfd_get_filename (abfd)); |
c5ba2759 | 318 | symcount = 0; |
f7b839f7 | 319 | return NULL; |
aa0a709a SC |
320 | } |
321 | ||
ae5d2ff5 ILT |
322 | storage = bfd_get_symtab_upper_bound (abfd); |
323 | if (storage < 0) | |
324 | bfd_fatal (bfd_get_filename (abfd)); | |
325 | ||
aa0a709a SC |
326 | if (storage) |
327 | { | |
02a68547 | 328 | sy = (asymbol **) xmalloc (storage); |
aa0a709a SC |
329 | } |
330 | symcount = bfd_canonicalize_symtab (abfd, sy); | |
ae5d2ff5 ILT |
331 | if (symcount < 0) |
332 | bfd_fatal (bfd_get_filename (abfd)); | |
333 | if (symcount == 0) | |
de3b08ac ILT |
334 | fprintf (stderr, "%s: %s: No symbols\n", |
335 | program_name, bfd_get_filename (abfd)); | |
336 | return sy; | |
337 | } | |
338 | ||
339 | /* Read in the dynamic symbols. */ | |
340 | ||
341 | static asymbol ** | |
342 | slurp_dynamic_symtab (abfd) | |
343 | bfd *abfd; | |
344 | { | |
345 | asymbol **sy = (asymbol **) NULL; | |
346 | long storage; | |
347 | ||
de3b08ac ILT |
348 | storage = bfd_get_dynamic_symtab_upper_bound (abfd); |
349 | if (storage < 0) | |
28d1b01e ILT |
350 | { |
351 | if (!(bfd_get_file_flags (abfd) & DYNAMIC)) | |
352 | { | |
353 | fprintf (stderr, "%s: %s: not a dynamic object\n", | |
354 | program_name, bfd_get_filename (abfd)); | |
c5ba2759 | 355 | dynsymcount = 0; |
28d1b01e ILT |
356 | return NULL; |
357 | } | |
358 | ||
359 | bfd_fatal (bfd_get_filename (abfd)); | |
360 | } | |
de3b08ac ILT |
361 | |
362 | if (storage) | |
363 | { | |
364 | sy = (asymbol **) xmalloc (storage); | |
365 | } | |
366 | dynsymcount = bfd_canonicalize_dynamic_symtab (abfd, sy); | |
367 | if (dynsymcount < 0) | |
368 | bfd_fatal (bfd_get_filename (abfd)); | |
369 | if (dynsymcount == 0) | |
370 | fprintf (stderr, "%s: %s: No dynamic symbols\n", | |
371 | program_name, bfd_get_filename (abfd)); | |
aa0a709a | 372 | return sy; |
2fa0b342 | 373 | } |
aa0a709a | 374 | |
f7b839f7 DM |
375 | /* Filter out (in place) symbols that are useless for disassembly. |
376 | COUNT is the number of elements in SYMBOLS. | |
377 | Return the number of useful symbols. */ | |
3ae36cb6 | 378 | |
18f39dfa | 379 | static long |
f7b839f7 DM |
380 | remove_useless_symbols (symbols, count) |
381 | asymbol **symbols; | |
ae5d2ff5 | 382 | long count; |
3ae36cb6 | 383 | { |
f7b839f7 | 384 | register asymbol **in_ptr = symbols, **out_ptr = symbols; |
3ae36cb6 | 385 | |
f7b839f7 | 386 | while (--count >= 0) |
3ae36cb6 PB |
387 | { |
388 | asymbol *sym = *in_ptr++; | |
389 | ||
390 | if (sym->name == NULL || sym->name[0] == '\0') | |
391 | continue; | |
392 | if (sym->flags & (BSF_DEBUGGING)) | |
393 | continue; | |
28d1b01e | 394 | if (bfd_is_und_section (sym->section) |
3ae36cb6 PB |
395 | || bfd_is_com_section (sym->section)) |
396 | continue; | |
397 | ||
398 | *out_ptr++ = sym; | |
399 | } | |
f7b839f7 | 400 | return out_ptr - symbols; |
3ae36cb6 PB |
401 | } |
402 | ||
e1c14599 | 403 | /* Sort symbols into value order. */ |
37853673 | 404 | |
aa0a709a | 405 | static int |
37853673 | 406 | compare_symbols (ap, bp) |
d5464baa ILT |
407 | const PTR ap; |
408 | const PTR bp; | |
2fa0b342 | 409 | { |
d5464baa ILT |
410 | const asymbol *a = *(const asymbol **)ap; |
411 | const asymbol *b = *(const asymbol **)bp; | |
db552bda ILT |
412 | const char *an, *bn; |
413 | size_t anl, bnl; | |
414 | boolean af, bf; | |
e1c14599 | 415 | flagword aflags, bflags; |
2fa0b342 | 416 | |
be1d162b | 417 | if (bfd_asymbol_value (a) > bfd_asymbol_value (b)) |
3ae36cb6 | 418 | return 1; |
be1d162b | 419 | else if (bfd_asymbol_value (a) < bfd_asymbol_value (b)) |
3ae36cb6 | 420 | return -1; |
2fa0b342 | 421 | |
3ae36cb6 PB |
422 | if (a->section > b->section) |
423 | return 1; | |
424 | else if (a->section < b->section) | |
425 | return -1; | |
db552bda ILT |
426 | |
427 | an = bfd_asymbol_name (a); | |
428 | bn = bfd_asymbol_name (b); | |
429 | anl = strlen (an); | |
430 | bnl = strlen (bn); | |
431 | ||
432 | /* The symbols gnu_compiled and gcc2_compiled convey no real | |
433 | information, so put them after other symbols with the same value. */ | |
434 | ||
435 | af = (strstr (an, "gnu_compiled") != NULL | |
436 | || strstr (an, "gcc2_compiled") != NULL); | |
437 | bf = (strstr (bn, "gnu_compiled") != NULL | |
438 | || strstr (bn, "gcc2_compiled") != NULL); | |
439 | ||
440 | if (af && ! bf) | |
441 | return 1; | |
442 | if (! af && bf) | |
443 | return -1; | |
444 | ||
445 | /* We use a heuristic for the file name, to try to sort it after | |
446 | more useful symbols. It may not work on non Unix systems, but it | |
447 | doesn't really matter; the only difference is precisely which | |
448 | symbol names get printed. */ | |
449 | ||
450 | #define file_symbol(s, sn, snl) \ | |
451 | (((s)->flags & BSF_FILE) != 0 \ | |
452 | || ((sn)[(snl) - 2] == '.' \ | |
453 | && ((sn)[(snl) - 1] == 'o' \ | |
454 | || (sn)[(snl) - 1] == 'a'))) | |
455 | ||
456 | af = file_symbol (a, an, anl); | |
457 | bf = file_symbol (b, bn, bnl); | |
458 | ||
459 | if (af && ! bf) | |
460 | return 1; | |
461 | if (! af && bf) | |
462 | return -1; | |
463 | ||
b4aabb24 ILT |
464 | /* Try to sort global symbols before local symbols before function |
465 | symbols before debugging symbols. */ | |
e1c14599 ILT |
466 | |
467 | aflags = a->flags; | |
468 | bflags = b->flags; | |
469 | ||
470 | if ((aflags & BSF_DEBUGGING) != (bflags & BSF_DEBUGGING)) | |
471 | { | |
472 | if ((aflags & BSF_DEBUGGING) != 0) | |
473 | return 1; | |
474 | else | |
475 | return -1; | |
476 | } | |
b4aabb24 ILT |
477 | if ((aflags & BSF_FUNCTION) != (bflags & BSF_FUNCTION)) |
478 | { | |
479 | if ((aflags & BSF_FUNCTION) != 0) | |
480 | return -1; | |
481 | else | |
482 | return 1; | |
483 | } | |
e1c14599 ILT |
484 | if ((aflags & BSF_LOCAL) != (bflags & BSF_LOCAL)) |
485 | { | |
486 | if ((aflags & BSF_LOCAL) != 0) | |
487 | return 1; | |
488 | else | |
489 | return -1; | |
490 | } | |
17aa8284 ILT |
491 | if ((aflags & BSF_GLOBAL) != (bflags & BSF_GLOBAL)) |
492 | { | |
493 | if ((aflags & BSF_GLOBAL) != 0) | |
494 | return -1; | |
495 | else | |
496 | return 1; | |
497 | } | |
498 | ||
499 | /* Symbols that start with '.' might be section names, so sort them | |
500 | after symbols that don't start with '.'. */ | |
501 | if (an[0] == '.' && bn[0] != '.') | |
502 | return 1; | |
503 | if (an[0] != '.' && bn[0] == '.') | |
504 | return -1; | |
e1c14599 | 505 | |
17aa8284 ILT |
506 | /* Finally, if we can't distinguish them in any other way, try to |
507 | get consistent results by sorting the symbols by name. */ | |
508 | return strcmp (an, bn); | |
2fa0b342 DHW |
509 | } |
510 | ||
d5464baa ILT |
511 | /* Sort relocs into address order. */ |
512 | ||
513 | static int | |
514 | compare_relocs (ap, bp) | |
515 | const PTR ap; | |
516 | const PTR bp; | |
517 | { | |
518 | const arelent *a = *(const arelent **)ap; | |
519 | const arelent *b = *(const arelent **)bp; | |
520 | ||
521 | if (a->address > b->address) | |
522 | return 1; | |
523 | else if (a->address < b->address) | |
524 | return -1; | |
525 | ||
a65619c8 SC |
526 | /* So that associated relocations tied to the same address show up |
527 | in the correct order, we don't do any further sorting. */ | |
528 | if (a > b) | |
529 | return 1; | |
530 | else if (a < b) | |
531 | return -1; | |
532 | else | |
533 | return 0; | |
d5464baa ILT |
534 | } |
535 | ||
51b8c416 | 536 | /* Print VMA to STREAM. If SKIP_ZEROES is true, omit leading zeroes. */ |
c5ba2759 ILT |
537 | |
538 | static void | |
51b8c416 | 539 | objdump_print_value (vma, info, skip_zeroes) |
c5ba2759 | 540 | bfd_vma vma; |
7fc01fc9 | 541 | struct disassemble_info *info; |
51b8c416 | 542 | boolean skip_zeroes; |
c5ba2759 ILT |
543 | { |
544 | char buf[30]; | |
545 | char *p; | |
546 | ||
547 | sprintf_vma (buf, vma); | |
51b8c416 ILT |
548 | if (! skip_zeroes) |
549 | p = buf; | |
550 | else | |
551 | { | |
552 | for (p = buf; *p == '0'; ++p) | |
553 | ; | |
554 | if (*p == '\0') | |
555 | --p; | |
556 | } | |
7fc01fc9 | 557 | (*info->fprintf_func) (info->stream, "%s", p); |
c5ba2759 ILT |
558 | } |
559 | ||
b4aabb24 ILT |
560 | /* Locate a symbol given a bfd, a section, and a VMA. If REQUIRE_SEC |
561 | is true, then always require the symbol to be in the section. This | |
562 | returns NULL if there is no suitable symbol. If PLACE is not NULL, | |
563 | then *PLACE is set to the index of the symbol in sorted_syms. */ | |
f7b839f7 | 564 | |
b4aabb24 ILT |
565 | static asymbol * |
566 | find_symbol_for_address (abfd, sec, vma, require_sec, place) | |
567 | bfd *abfd; | |
568 | asection *sec; | |
aa0a709a | 569 | bfd_vma vma; |
b4aabb24 ILT |
570 | boolean require_sec; |
571 | long *place; | |
2fa0b342 | 572 | { |
195d1adf KR |
573 | /* @@ Would it speed things up to cache the last two symbols returned, |
574 | and maybe their address ranges? For many processors, only one memory | |
575 | operand can be present at a time, so the 2-entry cache wouldn't be | |
576 | constantly churned by code doing heavy memory accesses. */ | |
2fa0b342 | 577 | |
be1d162b | 578 | /* Indices in `sorted_syms'. */ |
ae5d2ff5 | 579 | long min = 0; |
be1d162b | 580 | long max = sorted_symcount; |
ae5d2ff5 | 581 | long thisplace; |
2fa0b342 | 582 | |
be1d162b | 583 | if (sorted_symcount < 1) |
b4aabb24 | 584 | return NULL; |
f7b839f7 | 585 | |
8f197c94 ILT |
586 | /* Perform a binary search looking for the closest symbol to the |
587 | required value. We are searching the range (min, max]. */ | |
588 | while (min + 1 < max) | |
aa0a709a | 589 | { |
f7b839f7 | 590 | asymbol *sym; |
8f197c94 | 591 | |
f7b839f7 | 592 | thisplace = (max + min) / 2; |
be1d162b | 593 | sym = sorted_syms[thisplace]; |
8f197c94 | 594 | |
13e4db2e | 595 | if (bfd_asymbol_value (sym) > vma) |
f7b839f7 | 596 | max = thisplace; |
13e4db2e | 597 | else if (bfd_asymbol_value (sym) < vma) |
f7b839f7 DM |
598 | min = thisplace; |
599 | else | |
aa0a709a | 600 | { |
8f197c94 ILT |
601 | min = thisplace; |
602 | break; | |
aa0a709a | 603 | } |
f7b839f7 | 604 | } |
fc5d6074 | 605 | |
8f197c94 | 606 | /* The symbol we want is now in min, the low end of the range we |
e1c14599 ILT |
607 | were searching. If there are several symbols with the same |
608 | value, we want the first one. */ | |
8f197c94 | 609 | thisplace = min; |
db552bda ILT |
610 | while (thisplace > 0 |
611 | && (bfd_asymbol_value (sorted_syms[thisplace]) | |
612 | == bfd_asymbol_value (sorted_syms[thisplace - 1]))) | |
613 | --thisplace; | |
8f197c94 | 614 | |
b4aabb24 ILT |
615 | /* If the file is relocateable, and the symbol could be from this |
616 | section, prefer a symbol from this section over symbols from | |
617 | others, even if the other symbol's value might be closer. | |
f7b839f7 | 618 | |
b4aabb24 ILT |
619 | Note that this may be wrong for some symbol references if the |
620 | sections have overlapping memory ranges, but in that case there's | |
621 | no way to tell what's desired without looking at the relocation | |
622 | table. */ | |
623 | ||
624 | if (sorted_syms[thisplace]->section != sec | |
625 | && (require_sec | |
626 | || ((abfd->flags & HAS_RELOC) != 0 | |
627 | && vma >= bfd_get_section_vma (abfd, sec) | |
628 | && vma < (bfd_get_section_vma (abfd, sec) | |
629 | + bfd_section_size (abfd, sec))))) | |
630 | { | |
631 | long i; | |
632 | ||
633 | for (i = thisplace + 1; i < sorted_symcount; i++) | |
634 | { | |
635 | if (bfd_asymbol_value (sorted_syms[i]) | |
636 | != bfd_asymbol_value (sorted_syms[thisplace])) | |
637 | break; | |
638 | } | |
639 | --i; | |
640 | for (; i >= 0; i--) | |
641 | { | |
642 | if (sorted_syms[i]->section == sec | |
643 | && (i == 0 | |
644 | || sorted_syms[i - 1]->section != sec | |
645 | || (bfd_asymbol_value (sorted_syms[i]) | |
646 | != bfd_asymbol_value (sorted_syms[i - 1])))) | |
647 | { | |
648 | thisplace = i; | |
28d1b01e | 649 | break; |
b4aabb24 ILT |
650 | } |
651 | } | |
652 | ||
653 | if (sorted_syms[thisplace]->section != sec) | |
654 | { | |
655 | /* We didn't find a good symbol with a smaller value. | |
656 | Look for one with a larger value. */ | |
657 | for (i = thisplace + 1; i < sorted_symcount; i++) | |
658 | { | |
659 | if (sorted_syms[i]->section == sec) | |
660 | { | |
661 | thisplace = i; | |
662 | break; | |
663 | } | |
664 | } | |
665 | } | |
666 | ||
667 | if (sorted_syms[thisplace]->section != sec | |
668 | && (require_sec | |
669 | || ((abfd->flags & HAS_RELOC) != 0 | |
670 | && vma >= bfd_get_section_vma (abfd, sec) | |
671 | && vma < (bfd_get_section_vma (abfd, sec) | |
672 | + bfd_section_size (abfd, sec))))) | |
673 | { | |
674 | /* There is no suitable symbol. */ | |
675 | return NULL; | |
676 | } | |
677 | } | |
678 | ||
679 | if (place != NULL) | |
680 | *place = thisplace; | |
681 | ||
682 | return sorted_syms[thisplace]; | |
683 | } | |
684 | ||
685 | /* Print an address to INFO symbolically. */ | |
686 | ||
687 | static void | |
51b8c416 | 688 | objdump_print_addr_with_sym (abfd, sec, sym, vma, info, skip_zeroes) |
b4aabb24 ILT |
689 | bfd *abfd; |
690 | asection *sec; | |
691 | asymbol *sym; | |
692 | bfd_vma vma; | |
693 | struct disassemble_info *info; | |
51b8c416 | 694 | boolean skip_zeroes; |
b4aabb24 | 695 | { |
51b8c416 | 696 | objdump_print_value (vma, info, skip_zeroes); |
b4aabb24 ILT |
697 | |
698 | if (sym == NULL) | |
f7b839f7 | 699 | { |
b4aabb24 ILT |
700 | bfd_vma secaddr; |
701 | ||
702 | (*info->fprintf_func) (info->stream, " <%s", | |
703 | bfd_get_section_name (abfd, sec)); | |
704 | secaddr = bfd_get_section_vma (abfd, sec); | |
705 | if (vma < secaddr) | |
706 | { | |
707 | (*info->fprintf_func) (info->stream, "-"); | |
51b8c416 | 708 | objdump_print_value (secaddr - vma, info, true); |
b4aabb24 ILT |
709 | } |
710 | else if (vma > secaddr) | |
711 | { | |
712 | (*info->fprintf_func) (info->stream, "+"); | |
51b8c416 | 713 | objdump_print_value (vma - secaddr, info, true); |
b4aabb24 ILT |
714 | } |
715 | (*info->fprintf_func) (info->stream, ">"); | |
f7b839f7 | 716 | } |
b4aabb24 | 717 | else |
f7b839f7 | 718 | { |
b4aabb24 ILT |
719 | (*info->fprintf_func) (info->stream, " <%s", sym->name); |
720 | if (bfd_asymbol_value (sym) > vma) | |
721 | { | |
722 | (*info->fprintf_func) (info->stream, "-"); | |
51b8c416 | 723 | objdump_print_value (bfd_asymbol_value (sym) - vma, info, true); |
b4aabb24 ILT |
724 | } |
725 | else if (vma > bfd_asymbol_value (sym)) | |
726 | { | |
727 | (*info->fprintf_func) (info->stream, "+"); | |
51b8c416 | 728 | objdump_print_value (vma - bfd_asymbol_value (sym), info, true); |
b4aabb24 ILT |
729 | } |
730 | (*info->fprintf_func) (info->stream, ">"); | |
2fa0b342 | 731 | } |
b4aabb24 ILT |
732 | } |
733 | ||
51b8c416 ILT |
734 | /* Print VMA to INFO, symbolically if possible. If SKIP_ZEROES is |
735 | true, don't output leading zeroes. */ | |
b4aabb24 ILT |
736 | |
737 | static void | |
51b8c416 | 738 | objdump_print_addr (vma, info, skip_zeroes) |
b4aabb24 ILT |
739 | bfd_vma vma; |
740 | struct disassemble_info *info; | |
51b8c416 | 741 | boolean skip_zeroes; |
b4aabb24 ILT |
742 | { |
743 | struct objdump_disasm_info *aux; | |
744 | asymbol *sym; | |
745 | ||
746 | if (sorted_symcount < 1) | |
747 | { | |
51b8c416 | 748 | objdump_print_value (vma, info, skip_zeroes); |
b4aabb24 ILT |
749 | return; |
750 | } | |
751 | ||
752 | aux = (struct objdump_disasm_info *) info->application_data; | |
753 | sym = find_symbol_for_address (aux->abfd, aux->sec, vma, aux->require_sec, | |
754 | (long *) NULL); | |
51b8c416 ILT |
755 | objdump_print_addr_with_sym (aux->abfd, aux->sec, sym, vma, info, |
756 | skip_zeroes); | |
757 | } | |
758 | ||
759 | /* Print VMA to INFO. This function is passed to the disassembler | |
760 | routine. */ | |
761 | ||
762 | static void | |
763 | objdump_print_address (vma, info) | |
764 | bfd_vma vma; | |
765 | struct disassemble_info *info; | |
766 | { | |
767 | objdump_print_addr (vma, info, ! prefix_addresses); | |
2fa0b342 DHW |
768 | } |
769 | ||
be1d162b ILT |
770 | /* Hold the last function name and the last line number we displayed |
771 | in a disassembly. */ | |
772 | ||
773 | static char *prev_functionname; | |
774 | static unsigned int prev_line; | |
775 | ||
776 | /* We keep a list of all files that we have seen when doing a | |
777 | dissassembly with source, so that we know how much of the file to | |
778 | display. This can be important for inlined functions. */ | |
779 | ||
780 | struct print_file_list | |
781 | { | |
782 | struct print_file_list *next; | |
783 | char *filename; | |
784 | unsigned int line; | |
785 | FILE *f; | |
786 | }; | |
787 | ||
788 | static struct print_file_list *print_files; | |
789 | ||
790 | /* The number of preceding context lines to show when we start | |
791 | displaying a file for the first time. */ | |
792 | ||
793 | #define SHOW_PRECEDING_CONTEXT_LINES (5) | |
794 | ||
795 | /* Skip ahead to a given line in a file, optionally printing each | |
796 | line. */ | |
797 | ||
798 | static void | |
799 | skip_to_line PARAMS ((struct print_file_list *, unsigned int, boolean)); | |
800 | ||
801 | static void | |
802 | skip_to_line (p, line, show) | |
803 | struct print_file_list *p; | |
804 | unsigned int line; | |
805 | boolean show; | |
806 | { | |
807 | while (p->line < line) | |
808 | { | |
809 | char buf[100]; | |
810 | ||
811 | if (fgets (buf, sizeof buf, p->f) == NULL) | |
812 | { | |
813 | fclose (p->f); | |
814 | p->f = NULL; | |
815 | break; | |
816 | } | |
817 | ||
818 | if (show) | |
819 | printf ("%s", buf); | |
820 | ||
821 | if (strchr (buf, '\n') != NULL) | |
822 | ++p->line; | |
823 | } | |
824 | } | |
825 | ||
826 | /* Show the line number, or the source line, in a dissassembly | |
827 | listing. */ | |
828 | ||
829 | static void | |
830 | show_line (abfd, section, off) | |
aa0a709a | 831 | bfd *abfd; |
be1d162b ILT |
832 | asection *section; |
833 | bfd_vma off; | |
2fa0b342 | 834 | { |
be1d162b ILT |
835 | CONST char *filename; |
836 | CONST char *functionname; | |
837 | unsigned int line; | |
2e8adbd7 | 838 | |
be1d162b ILT |
839 | if (! with_line_numbers && ! with_source_code) |
840 | return; | |
d20f480f | 841 | |
be1d162b ILT |
842 | if (! bfd_find_nearest_line (abfd, section, syms, off, &filename, |
843 | &functionname, &line)) | |
844 | return; | |
aa0a709a | 845 | |
be1d162b ILT |
846 | if (filename != NULL && *filename == '\0') |
847 | filename = NULL; | |
848 | if (functionname != NULL && *functionname == '\0') | |
849 | functionname = NULL; | |
aa0a709a | 850 | |
be1d162b | 851 | if (with_line_numbers) |
d5464baa | 852 | { |
be1d162b ILT |
853 | if (functionname != NULL |
854 | && (prev_functionname == NULL | |
855 | || strcmp (functionname, prev_functionname) != 0)) | |
856 | printf ("%s():\n", functionname); | |
857 | if (line > 0 && line != prev_line) | |
858 | printf ("%s:%u\n", filename == NULL ? "???" : filename, line); | |
859 | } | |
860 | ||
861 | if (with_source_code | |
862 | && filename != NULL | |
863 | && line > 0) | |
864 | { | |
865 | struct print_file_list **pp, *p; | |
866 | ||
867 | for (pp = &print_files; *pp != NULL; pp = &(*pp)->next) | |
868 | if (strcmp ((*pp)->filename, filename) == 0) | |
869 | break; | |
870 | p = *pp; | |
871 | ||
872 | if (p != NULL) | |
d5464baa | 873 | { |
be1d162b ILT |
874 | if (p != print_files) |
875 | { | |
876 | int l; | |
877 | ||
878 | /* We have reencountered a file name which we saw | |
879 | earlier. This implies that either we are dumping out | |
880 | code from an included file, or the same file was | |
881 | linked in more than once. There are two common cases | |
882 | of an included file: inline functions in a header | |
883 | file, and a bison or flex skeleton file. In the | |
884 | former case we want to just start printing (but we | |
885 | back up a few lines to give context); in the latter | |
886 | case we want to continue from where we left off. I | |
887 | can't think of a good way to distinguish the cases, | |
888 | so I used a heuristic based on the file name. */ | |
889 | if (strcmp (p->filename + strlen (p->filename) - 2, ".h") != 0) | |
890 | l = p->line; | |
891 | else | |
892 | { | |
893 | l = line - SHOW_PRECEDING_CONTEXT_LINES; | |
894 | if (l <= 0) | |
895 | l = 1; | |
896 | } | |
d5464baa | 897 | |
be1d162b ILT |
898 | if (p->f == NULL) |
899 | { | |
900 | p->f = fopen (p->filename, "r"); | |
901 | p->line = 0; | |
902 | } | |
903 | if (p->f != NULL) | |
904 | skip_to_line (p, l, false); | |
d5464baa | 905 | |
be1d162b ILT |
906 | if (print_files->f != NULL) |
907 | { | |
908 | fclose (print_files->f); | |
909 | print_files->f = NULL; | |
910 | } | |
911 | } | |
d5464baa | 912 | |
be1d162b ILT |
913 | if (p->f != NULL) |
914 | { | |
915 | skip_to_line (p, line, true); | |
916 | *pp = p->next; | |
917 | p->next = print_files; | |
918 | print_files = p; | |
919 | } | |
920 | } | |
921 | else | |
922 | { | |
923 | FILE *f; | |
d5464baa | 924 | |
be1d162b ILT |
925 | f = fopen (filename, "r"); |
926 | if (f != NULL) | |
d5464baa | 927 | { |
be1d162b | 928 | int l; |
d5464baa | 929 | |
be1d162b ILT |
930 | p = ((struct print_file_list *) |
931 | xmalloc (sizeof (struct print_file_list))); | |
932 | p->filename = xmalloc (strlen (filename) + 1); | |
933 | strcpy (p->filename, filename); | |
934 | p->line = 0; | |
935 | p->f = f; | |
936 | ||
937 | if (print_files != NULL && print_files->f != NULL) | |
938 | { | |
939 | fclose (print_files->f); | |
940 | print_files->f = NULL; | |
941 | } | |
942 | p->next = print_files; | |
943 | print_files = p; | |
944 | ||
945 | l = line - SHOW_PRECEDING_CONTEXT_LINES; | |
946 | if (l <= 0) | |
947 | l = 1; | |
948 | skip_to_line (p, l, false); | |
949 | if (p->f != NULL) | |
950 | skip_to_line (p, line, true); | |
d5464baa ILT |
951 | } |
952 | } | |
953 | } | |
954 | ||
be1d162b ILT |
955 | if (functionname != NULL |
956 | && (prev_functionname == NULL | |
957 | || strcmp (functionname, prev_functionname) != 0)) | |
aa0a709a | 958 | { |
be1d162b ILT |
959 | if (prev_functionname != NULL) |
960 | free (prev_functionname); | |
961 | prev_functionname = xmalloc (strlen (functionname) + 1); | |
962 | strcpy (prev_functionname, functionname); | |
aa0a709a | 963 | } |
2fa0b342 | 964 | |
be1d162b ILT |
965 | if (line > 0 && line != prev_line) |
966 | prev_line = line; | |
967 | } | |
968 | ||
7fc01fc9 ILT |
969 | /* Pseudo FILE object for strings. */ |
970 | typedef struct { | |
971 | char *buffer; | |
972 | char *current; | |
973 | } SFILE; | |
974 | ||
975 | /* sprintf to a "stream" */ | |
976 | ||
977 | #ifdef ANSI_PROTOTYPES | |
978 | static int | |
979 | objdump_sprintf (SFILE *f, const char *format, ...) | |
980 | { | |
981 | int n; | |
982 | va_list args; | |
983 | ||
984 | va_start (args, format); | |
985 | vsprintf (f->current, format, args); | |
986 | f->current += n = strlen (f->current); | |
987 | va_end (args); | |
988 | return n; | |
989 | } | |
990 | #else | |
991 | static int | |
992 | objdump_sprintf (va_alist) | |
993 | va_dcl | |
994 | { | |
995 | int n; | |
996 | SFILE *f; | |
997 | const char *format; | |
998 | va_list args; | |
999 | ||
1000 | va_start (args); | |
1001 | f = va_arg (args, SFILE *); | |
1002 | format = va_arg (args, const char *); | |
1003 | vsprintf (f->current, format, args); | |
1004 | f->current += n = strlen (f->current); | |
1005 | va_end (args); | |
1006 | return n; | |
1007 | } | |
1008 | #endif | |
1009 | ||
b4aabb24 ILT |
1010 | /* The number of zeroes we want to see before we start skipping them. |
1011 | The number is arbitrarily chosen. */ | |
1012 | ||
1013 | #define SKIP_ZEROES (8) | |
1014 | ||
1015 | /* The number of zeroes to skip at the end of a section. If the | |
1016 | number of zeroes at the end is between SKIP_ZEROES_AT_END and | |
1017 | SKIP_ZEROES, they will be disassembled. If there are fewer than | |
1018 | SKIP_ZEROES_AT_END, they will be skipped. This is a heuristic | |
1019 | attempt to avoid disassembling zeroes inserted by section | |
1020 | alignment. */ | |
1021 | ||
1022 | #define SKIP_ZEROES_AT_END (3) | |
1023 | ||
1024 | /* Disassemble some data in memory between given values. */ | |
1025 | ||
1026 | static void | |
1027 | disassemble_bytes (info, disassemble_fn, insns, data, start, stop, relppp, | |
1028 | relppend) | |
1029 | struct disassemble_info *info; | |
1030 | disassembler_ftype disassemble_fn; | |
1031 | boolean insns; | |
1032 | bfd_byte *data; | |
1033 | long start; | |
1034 | long stop; | |
1035 | arelent ***relppp; | |
1036 | arelent **relppend; | |
1037 | { | |
1038 | struct objdump_disasm_info *aux; | |
1039 | asection *section; | |
1040 | int bytes_per_line; | |
1041 | boolean done_dot; | |
51b8c416 | 1042 | int skip_addr_chars; |
b4aabb24 ILT |
1043 | long i; |
1044 | ||
1045 | aux = (struct objdump_disasm_info *) info->application_data; | |
1046 | section = aux->sec; | |
1047 | ||
1048 | if (insns) | |
1049 | bytes_per_line = 4; | |
1050 | else | |
1051 | bytes_per_line = 16; | |
1052 | ||
51b8c416 ILT |
1053 | /* Figure out how many characters to skip at the start of an |
1054 | address, to make the disassembly look nicer. We discard leading | |
1055 | zeroes in chunks of 4, ensuring that there is always a leading | |
1056 | zero remaining. */ | |
1057 | skip_addr_chars = 0; | |
1058 | if (! prefix_addresses) | |
1059 | { | |
1060 | char buf[30]; | |
1061 | char *s; | |
1062 | ||
1063 | sprintf_vma (buf, | |
1064 | section->vma + bfd_section_size (section->owner, section)); | |
1065 | s = buf; | |
1066 | while (s[0] == '0' && s[1] == '0' && s[2] == '0' && s[3] == '0' | |
1067 | && s[4] == '0') | |
1068 | { | |
1069 | skip_addr_chars += 4; | |
1070 | s += 4; | |
1071 | } | |
1072 | } | |
1073 | ||
b4aabb24 ILT |
1074 | info->insn_info_valid = 0; |
1075 | ||
1076 | done_dot = false; | |
1077 | i = start; | |
1078 | while (i < stop) | |
1079 | { | |
1080 | long z; | |
1081 | int bytes; | |
1082 | boolean need_nl = false; | |
1083 | ||
1084 | /* If we see more than SKIP_ZEROES bytes of zeroes, we just | |
1085 | print `...'. */ | |
1086 | for (z = i; z < stop; z++) | |
1087 | if (data[z] != 0) | |
1088 | break; | |
51b8c416 ILT |
1089 | if (! disassemble_zeroes |
1090 | && (info->insn_info_valid == 0 | |
1091 | || info->branch_delay_insns == 0) | |
b4aabb24 ILT |
1092 | && (z - i >= SKIP_ZEROES |
1093 | || (z == stop && z - i < SKIP_ZEROES_AT_END))) | |
1094 | { | |
1095 | printf ("\t...\n"); | |
1096 | ||
1097 | /* If there are more nonzero bytes to follow, we only skip | |
1098 | zeroes in multiples of 4, to try to avoid running over | |
1099 | the start of an instruction which happens to start with | |
1100 | zero. */ | |
1101 | if (z != stop) | |
1102 | z = i + ((z - i) &~ 3); | |
1103 | ||
1104 | bytes = z - i; | |
1105 | } | |
1106 | else | |
1107 | { | |
1108 | char buf[1000]; | |
1109 | SFILE sfile; | |
33a795dd | 1110 | int bpc, pb = 0; |
b4aabb24 ILT |
1111 | |
1112 | done_dot = false; | |
1113 | ||
1114 | if (with_line_numbers || with_source_code) | |
1115 | show_line (aux->abfd, section, i); | |
1116 | ||
1117 | if (! prefix_addresses) | |
51b8c416 ILT |
1118 | { |
1119 | char *s; | |
1120 | ||
1121 | sprintf_vma (buf, section->vma + i); | |
1122 | for (s = buf + skip_addr_chars; *s == '0'; s++) | |
1123 | *s = ' '; | |
1124 | if (*s == '\0') | |
1125 | *--s = '0'; | |
1126 | printf ("%s:\t", buf + skip_addr_chars); | |
1127 | } | |
b4aabb24 ILT |
1128 | else |
1129 | { | |
1130 | aux->require_sec = true; | |
1131 | objdump_print_address (section->vma + i, info); | |
1132 | aux->require_sec = false; | |
1133 | putchar (' '); | |
1134 | } | |
1135 | ||
1136 | if (insns) | |
1137 | { | |
1138 | sfile.buffer = sfile.current = buf; | |
1139 | info->fprintf_func = (fprintf_ftype) objdump_sprintf; | |
1140 | info->stream = (FILE *) &sfile; | |
1141 | info->bytes_per_line = 0; | |
33a795dd | 1142 | info->bytes_per_chunk = 0; |
b4aabb24 ILT |
1143 | bytes = (*disassemble_fn) (section->vma + i, info); |
1144 | info->fprintf_func = (fprintf_ftype) fprintf; | |
1145 | info->stream = stdout; | |
1146 | if (info->bytes_per_line != 0) | |
1147 | bytes_per_line = info->bytes_per_line; | |
1148 | if (bytes < 0) | |
1149 | break; | |
1150 | } | |
1151 | else | |
1152 | { | |
1153 | long j; | |
1154 | ||
1155 | bytes = bytes_per_line; | |
1156 | if (i + bytes > stop) | |
1157 | bytes = stop - i; | |
1158 | ||
1159 | for (j = i; j < i + bytes; ++j) | |
1160 | { | |
1161 | if (isprint (data[j])) | |
1162 | buf[j - i] = data[j]; | |
1163 | else | |
1164 | buf[j - i] = '.'; | |
1165 | } | |
1166 | buf[j - i] = '\0'; | |
1167 | } | |
1168 | ||
1169 | if (! prefix_addresses || show_raw_insn) | |
1170 | { | |
1171 | long j; | |
1172 | ||
1173 | /* If ! prefix_addresses and ! wide_output, we print | |
33a795dd | 1174 | bytes_per_line bytes per line. */ |
b4aabb24 ILT |
1175 | pb = bytes; |
1176 | if (pb > bytes_per_line && ! prefix_addresses && ! wide_output) | |
1177 | pb = bytes_per_line; | |
1178 | ||
33a795dd MH |
1179 | if (info->bytes_per_chunk) |
1180 | bpc = info->bytes_per_chunk; | |
1181 | else | |
1182 | bpc = 1; | |
1183 | ||
1184 | for (j = i; j < i + pb; j += bpc) | |
b4aabb24 | 1185 | { |
33a795dd MH |
1186 | int k; |
1187 | if (bpc > 1 && info->display_endian == BFD_ENDIAN_LITTLE) | |
1188 | { | |
1189 | for (k=bpc-1; k >= 0; k--) | |
1190 | printf ("%02x", (unsigned) data[j+k]); | |
1191 | putchar (' '); | |
1192 | } | |
1193 | else | |
1194 | { | |
1195 | for (k=0; k < bpc; k++) | |
1196 | printf ("%02x", (unsigned) data[j+k]); | |
1197 | putchar (' '); | |
1198 | } | |
b4aabb24 ILT |
1199 | } |
1200 | ||
1201 | for (; pb < bytes_per_line; ++pb) | |
1202 | printf (" "); | |
1203 | ||
1204 | /* Separate raw data from instruction by extra space. */ | |
1205 | if (insns) | |
1206 | putchar ('\t'); | |
1207 | else | |
1208 | printf (" "); | |
1209 | } | |
1210 | ||
1211 | printf ("%s", buf); | |
1212 | ||
1213 | if (! prefix_addresses || show_raw_insn) | |
1214 | { | |
1215 | while (pb < bytes) | |
1216 | { | |
1217 | long j; | |
0948199a | 1218 | char *s; |
b4aabb24 ILT |
1219 | |
1220 | putchar ('\n'); | |
1221 | j = i + pb; | |
0948199a ILT |
1222 | |
1223 | sprintf_vma (buf, section->vma + j); | |
1224 | for (s = buf + skip_addr_chars; *s == '0'; s++) | |
1225 | *s = ' '; | |
1226 | if (*s == '\0') | |
1227 | *--s = '0'; | |
1228 | printf ("%s:\t", buf + skip_addr_chars); | |
1229 | ||
b4aabb24 ILT |
1230 | pb += bytes_per_line; |
1231 | if (pb > bytes) | |
1232 | pb = bytes; | |
1233 | for (; j < i + pb; ++j) | |
1234 | { | |
1235 | printf ("%02x", (unsigned) data[j]); | |
1236 | putchar (' '); | |
1237 | } | |
1238 | } | |
1239 | } | |
1240 | ||
1241 | if (!wide_output) | |
1242 | putchar ('\n'); | |
1243 | else | |
1244 | need_nl = true; | |
1245 | } | |
1246 | ||
1247 | if (dump_reloc_info | |
1248 | && (section->flags & SEC_RELOC) != 0) | |
1249 | { | |
1250 | while ((*relppp) < relppend | |
1251 | && ((**relppp)->address >= (bfd_vma) i | |
1252 | && (**relppp)->address < (bfd_vma) i + bytes)) | |
1253 | { | |
1254 | arelent *q; | |
1255 | const char *sym_name; | |
1256 | ||
1257 | q = **relppp; | |
1258 | ||
1259 | if (wide_output) | |
1260 | putchar ('\t'); | |
1261 | else | |
1262 | printf ("\t\t\t"); | |
1263 | ||
51b8c416 | 1264 | objdump_print_value (section->vma + q->address, info, true); |
b4aabb24 ILT |
1265 | |
1266 | printf (": %s\t", q->howto->name); | |
1267 | ||
1268 | if (q->sym_ptr_ptr != NULL | |
1269 | && *q->sym_ptr_ptr != NULL) | |
1270 | { | |
1271 | sym_name = bfd_asymbol_name (*q->sym_ptr_ptr); | |
1272 | if (sym_name == NULL || *sym_name == '\0') | |
1273 | { | |
1274 | asection *sym_sec; | |
1275 | ||
1276 | sym_sec = bfd_get_section (*q->sym_ptr_ptr); | |
1277 | sym_name = bfd_get_section_name (abfd, sym_sec); | |
1278 | if (sym_name == NULL || *sym_name == '\0') | |
1279 | sym_name = "*unknown*"; | |
1280 | } | |
1281 | } | |
1282 | else | |
1283 | sym_name = "*unknown*"; | |
1284 | ||
1285 | printf ("%s", sym_name); | |
1286 | ||
1287 | if (q->addend) | |
1288 | { | |
1289 | printf ("+0x"); | |
51b8c416 | 1290 | objdump_print_value (q->addend, info, true); |
b4aabb24 ILT |
1291 | } |
1292 | ||
1293 | printf ("\n"); | |
1294 | need_nl = false; | |
1295 | ++(*relppp); | |
1296 | } | |
1297 | } | |
1298 | ||
1299 | if (need_nl) | |
1300 | printf ("\n"); | |
1301 | ||
1302 | i += bytes; | |
1303 | } | |
1304 | } | |
1305 | ||
1306 | /* Disassemble the contents of an object file. */ | |
1307 | ||
18f39dfa | 1308 | static void |
be1d162b ILT |
1309 | disassemble_data (abfd) |
1310 | bfd *abfd; | |
1311 | { | |
1312 | long i; | |
b4aabb24 | 1313 | disassembler_ftype disassemble_fn; |
be1d162b ILT |
1314 | struct disassemble_info disasm_info; |
1315 | struct objdump_disasm_info aux; | |
1316 | asection *section; | |
be1d162b ILT |
1317 | |
1318 | print_files = NULL; | |
1319 | prev_functionname = NULL; | |
1320 | prev_line = -1; | |
1321 | ||
1322 | /* We make a copy of syms to sort. We don't want to sort syms | |
1323 | because that will screw up the relocs. */ | |
1324 | sorted_syms = (asymbol **) xmalloc (symcount * sizeof (asymbol *)); | |
1325 | memcpy (sorted_syms, syms, symcount * sizeof (asymbol *)); | |
1326 | ||
1327 | sorted_symcount = remove_useless_symbols (sorted_syms, symcount); | |
2fa0b342 DHW |
1328 | |
1329 | /* Sort the symbols into section and symbol order */ | |
be1d162b | 1330 | qsort (sorted_syms, sorted_symcount, sizeof (asymbol *), compare_symbols); |
2fa0b342 | 1331 | |
4e050e3b | 1332 | INIT_DISASSEMBLE_INFO(disasm_info, stdout, fprintf); |
cef35d48 DM |
1333 | disasm_info.application_data = (PTR) &aux; |
1334 | aux.abfd = abfd; | |
8275482c | 1335 | aux.require_sec = false; |
cef35d48 DM |
1336 | disasm_info.print_address_func = objdump_print_address; |
1337 | ||
aa0a709a SC |
1338 | if (machine != (char *) NULL) |
1339 | { | |
db552bda | 1340 | const bfd_arch_info_type *info = bfd_scan_arch (machine); |
cef35d48 | 1341 | if (info == NULL) |
aa0a709a SC |
1342 | { |
1343 | fprintf (stderr, "%s: Can't use supplied machine %s\n", | |
1344 | program_name, | |
1345 | machine); | |
1346 | exit (1); | |
1347 | } | |
1348 | abfd->arch_info = info; | |
2fa0b342 | 1349 | } |
e779a58c | 1350 | |
18f39dfa SG |
1351 | if (endian != BFD_ENDIAN_UNKNOWN) |
1352 | { | |
1353 | struct bfd_target *xvec; | |
1354 | ||
1355 | xvec = (struct bfd_target *) xmalloc (sizeof (struct bfd_target)); | |
1356 | memcpy (xvec, abfd->xvec, sizeof (struct bfd_target)); | |
1357 | xvec->byteorder = endian; | |
1358 | abfd->xvec = xvec; | |
1359 | } | |
1360 | ||
db552bda ILT |
1361 | disassemble_fn = disassembler (abfd); |
1362 | if (!disassemble_fn) | |
aa0a709a | 1363 | { |
db552bda ILT |
1364 | fprintf (stderr, "%s: Can't disassemble for architecture %s\n", |
1365 | program_name, | |
1366 | bfd_printable_arch_mach (bfd_get_arch (abfd), 0)); | |
1367 | exit (1); | |
aa0a709a | 1368 | } |
2fa0b342 | 1369 | |
7f924d55 | 1370 | disasm_info.flavour = bfd_get_flavour (abfd); |
458bbd1f DE |
1371 | disasm_info.arch = bfd_get_arch (abfd); |
1372 | disasm_info.mach = bfd_get_mach (abfd); | |
1373 | if (bfd_big_endian (abfd)) | |
1374 | disasm_info.endian = BFD_ENDIAN_BIG; | |
38aa863c | 1375 | else if (bfd_little_endian (abfd)) |
458bbd1f | 1376 | disasm_info.endian = BFD_ENDIAN_LITTLE; |
38aa863c DE |
1377 | else |
1378 | /* ??? Aborting here seems too drastic. We could default to big or little | |
1379 | instead. */ | |
1380 | disasm_info.endian = BFD_ENDIAN_UNKNOWN; | |
458bbd1f | 1381 | |
2fa0b342 | 1382 | for (section = abfd->sections; |
aa0a709a SC |
1383 | section != (asection *) NULL; |
1384 | section = section->next) | |
65cceb78 | 1385 | { |
cef35d48 DM |
1386 | bfd_byte *data = NULL; |
1387 | bfd_size_type datasize = 0; | |
be1d162b | 1388 | arelent **relbuf = NULL; |
d5464baa ILT |
1389 | arelent **relpp = NULL; |
1390 | arelent **relppend = NULL; | |
aa21a2a9 | 1391 | long stop; |
2fa0b342 | 1392 | |
d5464baa ILT |
1393 | if ((section->flags & SEC_LOAD) == 0 |
1394 | || (! disassemble_all | |
1395 | && only == NULL | |
1396 | && (section->flags & SEC_CODE) == 0)) | |
cef35d48 DM |
1397 | continue; |
1398 | if (only != (char *) NULL && strcmp (only, section->name) != 0) | |
1399 | continue; | |
2fa0b342 | 1400 | |
d5464baa ILT |
1401 | if (dump_reloc_info |
1402 | && (section->flags & SEC_RELOC) != 0) | |
1403 | { | |
be1d162b ILT |
1404 | long relsize; |
1405 | ||
1406 | relsize = bfd_get_reloc_upper_bound (abfd, section); | |
1407 | if (relsize < 0) | |
1408 | bfd_fatal (bfd_get_filename (abfd)); | |
1409 | ||
1410 | if (relsize > 0) | |
1411 | { | |
1412 | long relcount; | |
1413 | ||
1414 | relbuf = (arelent **) xmalloc (relsize); | |
1415 | relcount = bfd_canonicalize_reloc (abfd, section, relbuf, syms); | |
1416 | if (relcount < 0) | |
1417 | bfd_fatal (bfd_get_filename (abfd)); | |
1418 | ||
1419 | /* Sort the relocs by address. */ | |
1420 | qsort (relbuf, relcount, sizeof (arelent *), compare_relocs); | |
1421 | ||
1422 | relpp = relbuf; | |
1423 | relppend = relpp + relcount; | |
1424 | } | |
d5464baa ILT |
1425 | } |
1426 | ||
cef35d48 | 1427 | printf ("Disassembly of section %s:\n", section->name); |
2fa0b342 | 1428 | |
cef35d48 DM |
1429 | datasize = bfd_get_section_size_before_reloc (section); |
1430 | if (datasize == 0) | |
1431 | continue; | |
2fa0b342 | 1432 | |
cef35d48 | 1433 | data = (bfd_byte *) xmalloc ((size_t) datasize); |
2fa0b342 | 1434 | |
cef35d48 | 1435 | bfd_get_section_contents (abfd, section, data, 0, datasize); |
2fa0b342 | 1436 | |
cef35d48 DM |
1437 | aux.sec = section; |
1438 | disasm_info.buffer = data; | |
1439 | disasm_info.buffer_vma = section->vma; | |
1440 | disasm_info.buffer_length = datasize; | |
aa21a2a9 ILT |
1441 | if (start_address == (bfd_vma) -1 |
1442 | || start_address < disasm_info.buffer_vma) | |
1443 | i = 0; | |
1444 | else | |
1445 | i = start_address - disasm_info.buffer_vma; | |
1446 | if (stop_address == (bfd_vma) -1) | |
1447 | stop = datasize; | |
1448 | else | |
1449 | { | |
1450 | if (stop_address < disasm_info.buffer_vma) | |
1451 | stop = 0; | |
1452 | else | |
1453 | stop = stop_address - disasm_info.buffer_vma; | |
1454 | if (stop > disasm_info.buffer_length) | |
1455 | stop = disasm_info.buffer_length; | |
1456 | } | |
b4aabb24 ILT |
1457 | |
1458 | if (prefix_addresses) | |
1459 | disassemble_bytes (&disasm_info, disassemble_fn, true, data, i, stop, | |
1460 | &relpp, relppend); | |
1461 | else | |
cef35d48 | 1462 | { |
b4aabb24 ILT |
1463 | asymbol *sym; |
1464 | long place; | |
1465 | ||
1466 | sym = find_symbol_for_address (abfd, section, i, true, &place); | |
1467 | ++place; | |
1468 | while (i < stop) | |
cef35d48 | 1469 | { |
b4aabb24 ILT |
1470 | asymbol *nextsym; |
1471 | long nextstop; | |
1472 | boolean insns; | |
65cceb78 | 1473 | |
b4aabb24 ILT |
1474 | disasm_info.symbol = sym; |
1475 | ||
1476 | printf ("\n"); | |
1477 | objdump_print_addr_with_sym (abfd, section, sym, | |
1478 | section->vma + i, | |
51b8c416 ILT |
1479 | &disasm_info, |
1480 | false); | |
b4aabb24 | 1481 | printf (":\n"); |
db552bda | 1482 | |
b4aabb24 ILT |
1483 | if (sym == NULL) |
1484 | nextsym = NULL; | |
1485 | else | |
7fc01fc9 | 1486 | { |
b4aabb24 ILT |
1487 | while (place < sorted_symcount |
1488 | && (sorted_syms[place]->section != section | |
1489 | || (bfd_asymbol_value (sorted_syms[place]) | |
1490 | <= bfd_asymbol_value (sym)))) | |
1491 | ++place; | |
1492 | if (place >= sorted_symcount) | |
1493 | nextsym = NULL; | |
1494 | else | |
1495 | nextsym = sorted_syms[place]; | |
7fc01fc9 ILT |
1496 | } |
1497 | ||
b4aabb24 ILT |
1498 | if (nextsym == NULL) |
1499 | nextstop = stop; | |
13e4db2e | 1500 | else |
d5464baa | 1501 | { |
b4aabb24 ILT |
1502 | nextstop = bfd_asymbol_value (nextsym) - section->vma; |
1503 | if (nextstop > stop) | |
1504 | nextstop = stop; | |
1505 | } | |
d5464baa | 1506 | |
b4aabb24 ILT |
1507 | /* If a symbol is explicitly marked as being an object |
1508 | rather than a function, just dump the bytes without | |
1509 | disassembling them. */ | |
1510 | if (disassemble_all | |
1511 | || sym == NULL | |
1512 | || ((sym->flags & BSF_OBJECT) == 0 | |
1513 | && (strstr (bfd_asymbol_name (sym), "gnu_compiled") | |
1514 | == NULL) | |
1515 | && (strstr (bfd_asymbol_name (sym), "gcc2_compiled") | |
1516 | == NULL)) | |
1517 | || (sym->flags & BSF_FUNCTION) != 0) | |
1518 | insns = true; | |
1519 | else | |
1520 | insns = false; | |
d5464baa | 1521 | |
b4aabb24 ILT |
1522 | disassemble_bytes (&disasm_info, disassemble_fn, insns, data, i, |
1523 | nextstop, &relpp, relppend); | |
d5464baa | 1524 | |
b4aabb24 ILT |
1525 | i = nextstop; |
1526 | sym = nextsym; | |
d5464baa | 1527 | } |
96d7950b | 1528 | } |
be1d162b | 1529 | |
cef35d48 | 1530 | free (data); |
be1d162b ILT |
1531 | if (relbuf != NULL) |
1532 | free (relbuf); | |
2fa0b342 | 1533 | } |
c5ba2759 | 1534 | free (sorted_syms); |
2fa0b342 | 1535 | } |
73b8f102 | 1536 | \f |
73b8f102 JG |
1537 | |
1538 | /* Define a table of stab values and print-strings. We wish the initializer | |
1539 | could be a direct-mapped table, but instead we build one the first | |
1540 | time we need it. */ | |
1541 | ||
18f39dfa SG |
1542 | static void dump_section_stabs PARAMS ((bfd *abfd, char *stabsect_name, |
1543 | char *strsect_name)); | |
249c6fc0 | 1544 | |
250e36fe | 1545 | /* Dump the stabs sections from an object file that has a section that |
18f39dfa | 1546 | uses Sun stabs encoding. */ |
73b8f102 | 1547 | |
18f39dfa | 1548 | static void |
9b018ecd | 1549 | dump_stabs (abfd) |
73b8f102 JG |
1550 | bfd *abfd; |
1551 | { | |
250e36fe DM |
1552 | dump_section_stabs (abfd, ".stab", ".stabstr"); |
1553 | dump_section_stabs (abfd, ".stab.excl", ".stab.exclstr"); | |
1554 | dump_section_stabs (abfd, ".stab.index", ".stab.indexstr"); | |
1555 | dump_section_stabs (abfd, "$GDB_SYMBOLS$", "$GDB_STRINGS$"); | |
249c6fc0 RS |
1556 | } |
1557 | ||
18f39dfa | 1558 | static bfd_byte *stabs; |
250e36fe DM |
1559 | static bfd_size_type stab_size; |
1560 | ||
1561 | static char *strtab; | |
1562 | static bfd_size_type stabstr_size; | |
1563 | ||
1564 | /* Read ABFD's stabs section STABSECT_NAME into `stabs' | |
1565 | and string table section STRSECT_NAME into `strtab'. | |
1566 | If the section exists and was read, allocate the space and return true. | |
1567 | Otherwise return false. */ | |
1568 | ||
18f39dfa | 1569 | static boolean |
250e36fe | 1570 | read_section_stabs (abfd, stabsect_name, strsect_name) |
249c6fc0 | 1571 | bfd *abfd; |
250e36fe DM |
1572 | char *stabsect_name; |
1573 | char *strsect_name; | |
249c6fc0 | 1574 | { |
9b018ecd | 1575 | asection *stabsect, *stabstrsect; |
9b018ecd | 1576 | |
d5671c53 ILT |
1577 | stabsect = bfd_get_section_by_name (abfd, stabsect_name); |
1578 | if (0 == stabsect) | |
73b8f102 | 1579 | { |
250e36fe DM |
1580 | printf ("No %s section present\n\n", stabsect_name); |
1581 | return false; | |
73b8f102 JG |
1582 | } |
1583 | ||
d5671c53 ILT |
1584 | stabstrsect = bfd_get_section_by_name (abfd, strsect_name); |
1585 | if (0 == stabstrsect) | |
73b8f102 | 1586 | { |
eae82145 | 1587 | fprintf (stderr, "%s: %s has no %s section\n", program_name, |
250e36fe DM |
1588 | bfd_get_filename (abfd), strsect_name); |
1589 | return false; | |
73b8f102 | 1590 | } |
9b018ecd | 1591 | |
d5671c53 ILT |
1592 | stab_size = bfd_section_size (abfd, stabsect); |
1593 | stabstr_size = bfd_section_size (abfd, stabstrsect); | |
73b8f102 | 1594 | |
18f39dfa | 1595 | stabs = (bfd_byte *) xmalloc (stab_size); |
9b018ecd | 1596 | strtab = (char *) xmalloc (stabstr_size); |
73b8f102 | 1597 | |
d5671c53 | 1598 | if (! bfd_get_section_contents (abfd, stabsect, (PTR) stabs, 0, stab_size)) |
9b018ecd | 1599 | { |
d5671c53 ILT |
1600 | fprintf (stderr, "%s: Reading %s section of %s failed: %s\n", |
1601 | program_name, stabsect_name, bfd_get_filename (abfd), | |
1602 | bfd_errmsg (bfd_get_error ())); | |
1603 | free (stabs); | |
1604 | free (strtab); | |
1605 | return false; | |
73b8f102 | 1606 | } |
2fa0b342 | 1607 | |
d5671c53 ILT |
1608 | if (! bfd_get_section_contents (abfd, stabstrsect, (PTR) strtab, 0, |
1609 | stabstr_size)) | |
9b018ecd | 1610 | { |
d5671c53 ILT |
1611 | fprintf (stderr, "%s: Reading %s section of %s failed: %s\n", |
1612 | program_name, strsect_name, bfd_get_filename (abfd), | |
1613 | bfd_errmsg (bfd_get_error ())); | |
1614 | free (stabs); | |
1615 | free (strtab); | |
1616 | return false; | |
73b8f102 | 1617 | } |
d5671c53 | 1618 | |
250e36fe DM |
1619 | return true; |
1620 | } | |
73b8f102 | 1621 | |
18f39dfa SG |
1622 | /* Stabs entries use a 12 byte format: |
1623 | 4 byte string table index | |
1624 | 1 byte stab type | |
1625 | 1 byte stab other field | |
1626 | 2 byte stab desc field | |
1627 | 4 byte stab value | |
1628 | FIXME: This will have to change for a 64 bit object format. */ | |
1629 | ||
1630 | #define STRDXOFF (0) | |
1631 | #define TYPEOFF (4) | |
1632 | #define OTHEROFF (5) | |
1633 | #define DESCOFF (6) | |
1634 | #define VALOFF (8) | |
1635 | #define STABSIZE (12) | |
73b8f102 | 1636 | |
250e36fe DM |
1637 | /* Print ABFD's stabs section STABSECT_NAME (in `stabs'), |
1638 | using string table section STRSECT_NAME (in `strtab'). */ | |
1639 | ||
18f39dfa | 1640 | static void |
250e36fe DM |
1641 | print_section_stabs (abfd, stabsect_name, strsect_name) |
1642 | bfd *abfd; | |
1643 | char *stabsect_name; | |
1644 | char *strsect_name; | |
1645 | { | |
1646 | int i; | |
1647 | unsigned file_string_table_offset = 0, next_file_string_table_offset = 0; | |
18f39dfa SG |
1648 | bfd_byte *stabp, *stabs_end; |
1649 | ||
1650 | stabp = stabs; | |
1651 | stabs_end = stabp + stab_size; | |
73b8f102 | 1652 | |
250e36fe DM |
1653 | printf ("Contents of %s section:\n\n", stabsect_name); |
1654 | printf ("Symnum n_type n_othr n_desc n_value n_strx String\n"); | |
249c6fc0 RS |
1655 | |
1656 | /* Loop through all symbols and print them. | |
1657 | ||
1658 | We start the index at -1 because there is a dummy symbol on | |
250e36fe | 1659 | the front of stabs-in-{coff,elf} sections that supplies sizes. */ |
249c6fc0 | 1660 | |
18f39dfa | 1661 | for (i = -1; stabp < stabs_end; stabp += STABSIZE, i++) |
73b8f102 | 1662 | { |
7fc01fc9 | 1663 | const char *name; |
18f39dfa SG |
1664 | unsigned long strx; |
1665 | unsigned char type, other; | |
1666 | unsigned short desc; | |
1667 | bfd_vma value; | |
1668 | ||
1669 | strx = bfd_h_get_32 (abfd, stabp + STRDXOFF); | |
1670 | type = bfd_h_get_8 (abfd, stabp + TYPEOFF); | |
1671 | other = bfd_h_get_8 (abfd, stabp + OTHEROFF); | |
1672 | desc = bfd_h_get_16 (abfd, stabp + DESCOFF); | |
1673 | value = bfd_h_get_32 (abfd, stabp + VALOFF); | |
7fc01fc9 | 1674 | |
fe2750e1 | 1675 | printf ("\n%-6d ", i); |
250e36fe | 1676 | /* Either print the stab name, or, if unnamed, print its number |
fe2750e1 | 1677 | again (makes consistent formatting for tools like awk). */ |
18f39dfa | 1678 | name = bfd_get_stab_name (type); |
7fc01fc9 ILT |
1679 | if (name != NULL) |
1680 | printf ("%-6s", name); | |
18f39dfa | 1681 | else if (type == N_UNDF) |
105da05c | 1682 | printf ("HdrSym"); |
fe2750e1 | 1683 | else |
18f39dfa SG |
1684 | printf ("%-6d", type); |
1685 | printf (" %-6d %-6d ", other, desc); | |
1686 | printf_vma (value); | |
1687 | printf (" %-6lu", strx); | |
249c6fc0 RS |
1688 | |
1689 | /* Symbols with type == 0 (N_UNDF) specify the length of the | |
1690 | string table associated with this file. We use that info | |
1691 | to know how to relocate the *next* file's string table indices. */ | |
1692 | ||
18f39dfa | 1693 | if (type == N_UNDF) |
249c6fc0 RS |
1694 | { |
1695 | file_string_table_offset = next_file_string_table_offset; | |
18f39dfa | 1696 | next_file_string_table_offset += value; |
249c6fc0 | 1697 | } |
249c6fc0 | 1698 | else |
e1ec9f07 | 1699 | { |
250e36fe | 1700 | /* Using the (possibly updated) string table offset, print the |
e1ec9f07 SS |
1701 | string (if any) associated with this symbol. */ |
1702 | ||
18f39dfa SG |
1703 | if ((strx + file_string_table_offset) < stabstr_size) |
1704 | printf (" %s", &strtab[strx + file_string_table_offset]); | |
e1ec9f07 SS |
1705 | else |
1706 | printf (" *"); | |
1707 | } | |
73b8f102 JG |
1708 | } |
1709 | printf ("\n\n"); | |
1710 | } | |
249c6fc0 | 1711 | |
18f39dfa | 1712 | static void |
250e36fe DM |
1713 | dump_section_stabs (abfd, stabsect_name, strsect_name) |
1714 | bfd *abfd; | |
1715 | char *stabsect_name; | |
1716 | char *strsect_name; | |
1717 | { | |
13e4db2e | 1718 | asection *s; |
13e4db2e | 1719 | |
a65619c8 SC |
1720 | /* Check for section names for which stabsect_name is a prefix, to |
1721 | handle .stab0, etc. */ | |
13e4db2e | 1722 | for (s = abfd->sections; |
a65619c8 | 1723 | s != NULL; |
13e4db2e SC |
1724 | s = s->next) |
1725 | { | |
18f39dfa SG |
1726 | int len; |
1727 | ||
1728 | len = strlen (stabsect_name); | |
1729 | ||
1730 | /* If the prefix matches, and the files section name ends with a nul or a digit, | |
1731 | then we match. Ie: we want either an exact match or a a section followed by | |
1732 | a number. */ | |
1733 | if (strncmp (stabsect_name, s->name, len) == 0 | |
1734 | && (s->name[len] == '\000' || isdigit (s->name[len]))) | |
13e4db2e | 1735 | { |
a65619c8 SC |
1736 | if (read_section_stabs (abfd, s->name, strsect_name)) |
1737 | { | |
1738 | print_section_stabs (abfd, s->name, strsect_name); | |
1739 | free (stabs); | |
1740 | free (strtab); | |
1741 | } | |
13e4db2e SC |
1742 | } |
1743 | } | |
250e36fe DM |
1744 | } |
1745 | \f | |
eae82145 | 1746 | static void |
f7b839f7 DM |
1747 | dump_bfd_header (abfd) |
1748 | bfd *abfd; | |
1749 | { | |
1750 | char *comma = ""; | |
1751 | ||
1752 | printf ("architecture: %s, ", | |
1753 | bfd_printable_arch_mach (bfd_get_arch (abfd), | |
1754 | bfd_get_mach (abfd))); | |
1755 | printf ("flags 0x%08x:\n", abfd->flags); | |
1756 | ||
1757 | #define PF(x, y) if (abfd->flags & x) {printf("%s%s", comma, y); comma=", ";} | |
1758 | PF (HAS_RELOC, "HAS_RELOC"); | |
1759 | PF (EXEC_P, "EXEC_P"); | |
1760 | PF (HAS_LINENO, "HAS_LINENO"); | |
1761 | PF (HAS_DEBUG, "HAS_DEBUG"); | |
1762 | PF (HAS_SYMS, "HAS_SYMS"); | |
1763 | PF (HAS_LOCALS, "HAS_LOCALS"); | |
1764 | PF (DYNAMIC, "DYNAMIC"); | |
1765 | PF (WP_TEXT, "WP_TEXT"); | |
1766 | PF (D_PAGED, "D_PAGED"); | |
1767 | PF (BFD_IS_RELAXABLE, "BFD_IS_RELAXABLE"); | |
1768 | printf ("\nstart address 0x"); | |
1769 | printf_vma (abfd->start_address); | |
38d7c012 | 1770 | printf ("\n"); |
f7b839f7 | 1771 | } |
a65619c8 SC |
1772 | \f |
1773 | static void | |
1774 | dump_bfd_private_header (abfd) | |
1775 | bfd *abfd; | |
1776 | { | |
1777 | bfd_print_private_bfd_data (abfd, stdout); | |
1778 | } | |
18f39dfa | 1779 | |
02a68547 | 1780 | static void |
2fa0b342 DHW |
1781 | display_bfd (abfd) |
1782 | bfd *abfd; | |
1783 | { | |
209e5610 DM |
1784 | char **matching; |
1785 | ||
1786 | if (!bfd_check_format_matches (abfd, bfd_object, &matching)) | |
aa0a709a | 1787 | { |
cef35d48 | 1788 | bfd_nonfatal (bfd_get_filename (abfd)); |
8f197c94 | 1789 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) |
209e5610 DM |
1790 | { |
1791 | list_matching_formats (matching); | |
1792 | free (matching); | |
1793 | } | |
aa0a709a SC |
1794 | return; |
1795 | } | |
f7b839f7 | 1796 | |
cef35d48 DM |
1797 | printf ("\n%s: file format %s\n", bfd_get_filename (abfd), |
1798 | abfd->xvec->name); | |
aa0a709a SC |
1799 | if (dump_ar_hdrs) |
1800 | print_arelt_descr (stdout, abfd, true); | |
aa0a709a | 1801 | if (dump_file_header) |
f7b839f7 | 1802 | dump_bfd_header (abfd); |
a65619c8 SC |
1803 | if (dump_private_headers) |
1804 | dump_bfd_private_header (abfd); | |
f7b839f7 | 1805 | putchar ('\n'); |
2fa0b342 | 1806 | if (dump_section_headers) |
aa0a709a | 1807 | dump_headers (abfd); |
83f4323e | 1808 | if (dump_symtab || dump_reloc_info || disassemble || dump_debugging) |
aa0a709a SC |
1809 | { |
1810 | syms = slurp_symtab (abfd); | |
1811 | } | |
de3b08ac ILT |
1812 | if (dump_dynamic_symtab || dump_dynamic_reloc_info) |
1813 | { | |
1814 | dynsyms = slurp_dynamic_symtab (abfd); | |
1815 | } | |
aa0a709a | 1816 | if (dump_symtab) |
de3b08ac ILT |
1817 | dump_symbols (abfd, false); |
1818 | if (dump_dynamic_symtab) | |
1819 | dump_symbols (abfd, true); | |
73b8f102 | 1820 | if (dump_stab_section_info) |
9b018ecd | 1821 | dump_stabs (abfd); |
d5464baa | 1822 | if (dump_reloc_info && ! disassemble) |
aa0a709a | 1823 | dump_relocs (abfd); |
de3b08ac ILT |
1824 | if (dump_dynamic_reloc_info) |
1825 | dump_dynamic_relocs (abfd); | |
aa0a709a SC |
1826 | if (dump_section_contents) |
1827 | dump_data (abfd); | |
1828 | if (disassemble) | |
1829 | disassemble_data (abfd); | |
e1c14599 ILT |
1830 | if (dump_debugging) |
1831 | { | |
1832 | PTR dhandle; | |
1833 | ||
83f4323e | 1834 | dhandle = read_debugging_info (abfd, syms, symcount); |
e1c14599 ILT |
1835 | if (dhandle != NULL) |
1836 | { | |
1837 | if (! print_debugging_info (stdout, dhandle)) | |
1838 | fprintf (stderr, "%s: printing debugging information failed\n", | |
1839 | bfd_get_filename (abfd)); | |
1840 | } | |
1841 | } | |
c5ba2759 ILT |
1842 | if (syms) |
1843 | { | |
1844 | free (syms); | |
1845 | syms = NULL; | |
1846 | } | |
1847 | if (dynsyms) | |
1848 | { | |
1849 | free (dynsyms); | |
1850 | dynsyms = NULL; | |
1851 | } | |
2fa0b342 DHW |
1852 | } |
1853 | ||
d9971b83 | 1854 | static void |
2fa0b342 DHW |
1855 | display_file (filename, target) |
1856 | char *filename; | |
1857 | char *target; | |
1858 | { | |
1859 | bfd *file, *arfile = (bfd *) NULL; | |
1860 | ||
1861 | file = bfd_openr (filename, target); | |
aa0a709a SC |
1862 | if (file == NULL) |
1863 | { | |
cef35d48 | 1864 | bfd_nonfatal (filename); |
aa0a709a SC |
1865 | return; |
1866 | } | |
2fa0b342 | 1867 | |
aa0a709a SC |
1868 | if (bfd_check_format (file, bfd_archive) == true) |
1869 | { | |
8f197c94 ILT |
1870 | bfd *last_arfile = NULL; |
1871 | ||
aa0a709a SC |
1872 | printf ("In archive %s:\n", bfd_get_filename (file)); |
1873 | for (;;) | |
1874 | { | |
8f197c94 | 1875 | bfd_set_error (bfd_error_no_error); |
aa0a709a SC |
1876 | |
1877 | arfile = bfd_openr_next_archived_file (file, arfile); | |
1878 | if (arfile == NULL) | |
1879 | { | |
8f197c94 | 1880 | if (bfd_get_error () != bfd_error_no_more_archived_files) |
d2442698 | 1881 | { |
cef35d48 | 1882 | bfd_nonfatal (bfd_get_filename (file)); |
d2442698 | 1883 | } |
8f197c94 | 1884 | break; |
aa0a709a | 1885 | } |
2fa0b342 | 1886 | |
aa0a709a | 1887 | display_bfd (arfile); |
8f197c94 ILT |
1888 | |
1889 | if (last_arfile != NULL) | |
1890 | bfd_close (last_arfile); | |
1891 | last_arfile = arfile; | |
aa0a709a | 1892 | } |
8f197c94 ILT |
1893 | |
1894 | if (last_arfile != NULL) | |
1895 | bfd_close (last_arfile); | |
2fa0b342 | 1896 | } |
2fa0b342 | 1897 | else |
aa0a709a | 1898 | display_bfd (file); |
2fa0b342 | 1899 | |
aa0a709a | 1900 | bfd_close (file); |
2fa0b342 DHW |
1901 | } |
1902 | \f | |
1903 | /* Actually display the various requested regions */ | |
1904 | ||
d9971b83 | 1905 | static void |
2fa0b342 DHW |
1906 | dump_data (abfd) |
1907 | bfd *abfd; | |
1908 | { | |
1909 | asection *section; | |
aa0a709a | 1910 | bfd_byte *data = 0; |
fc5d6074 SC |
1911 | bfd_size_type datasize = 0; |
1912 | bfd_size_type i; | |
aa21a2a9 | 1913 | bfd_size_type start, stop; |
2fa0b342 DHW |
1914 | |
1915 | for (section = abfd->sections; section != NULL; section = | |
aa0a709a SC |
1916 | section->next) |
1917 | { | |
1918 | int onaline = 16; | |
2fa0b342 | 1919 | |
aa0a709a SC |
1920 | if (only == (char *) NULL || |
1921 | strcmp (only, section->name) == 0) | |
60c80016 | 1922 | { |
aa0a709a SC |
1923 | if (section->flags & SEC_HAS_CONTENTS) |
1924 | { | |
1925 | printf ("Contents of section %s:\n", section->name); | |
1926 | ||
9b018ecd | 1927 | if (bfd_section_size (abfd, section) == 0) |
aa0a709a | 1928 | continue; |
02a68547 | 1929 | data = (bfd_byte *) xmalloc ((size_t) bfd_section_size (abfd, section)); |
9b018ecd | 1930 | datasize = bfd_section_size (abfd, section); |
2fa0b342 | 1931 | |
2fa0b342 | 1932 | |
9b018ecd | 1933 | bfd_get_section_contents (abfd, section, (PTR) data, 0, bfd_section_size (abfd, section)); |
2fa0b342 | 1934 | |
aa21a2a9 ILT |
1935 | if (start_address == (bfd_vma) -1 |
1936 | || start_address < section->vma) | |
1937 | start = 0; | |
1938 | else | |
1939 | start = start_address - section->vma; | |
1940 | if (stop_address == (bfd_vma) -1) | |
1941 | stop = bfd_section_size (abfd, section); | |
1942 | else | |
1943 | { | |
1944 | if (stop_address < section->vma) | |
1945 | stop = 0; | |
1946 | else | |
1947 | stop = stop_address - section->vma; | |
1948 | if (stop > bfd_section_size (abfd, section)) | |
1949 | stop = bfd_section_size (abfd, section); | |
1950 | } | |
1951 | for (i = start; i < stop; i += onaline) | |
aa0a709a SC |
1952 | { |
1953 | bfd_size_type j; | |
1954 | ||
1955 | printf (" %04lx ", (unsigned long int) (i + section->vma)); | |
1956 | for (j = i; j < i + onaline; j++) | |
1957 | { | |
aa21a2a9 | 1958 | if (j < stop) |
aa0a709a SC |
1959 | printf ("%02x", (unsigned) (data[j])); |
1960 | else | |
1961 | printf (" "); | |
1962 | if ((j & 3) == 3) | |
1963 | printf (" "); | |
1964 | } | |
2fa0b342 | 1965 | |
aa0a709a SC |
1966 | printf (" "); |
1967 | for (j = i; j < i + onaline; j++) | |
1968 | { | |
aa21a2a9 | 1969 | if (j >= stop) |
aa0a709a SC |
1970 | printf (" "); |
1971 | else | |
1972 | printf ("%c", isprint (data[j]) ? data[j] : '.'); | |
1973 | } | |
1974 | putchar ('\n'); | |
1975 | } | |
d9971b83 | 1976 | free (data); |
60c80016 | 1977 | } |
2fa0b342 | 1978 | } |
2fa0b342 | 1979 | } |
2fa0b342 DHW |
1980 | } |
1981 | ||
2fa0b342 | 1982 | /* Should perhaps share code and display with nm? */ |
d9971b83 | 1983 | static void |
de3b08ac | 1984 | dump_symbols (abfd, dynamic) |
2fa0b342 | 1985 | bfd *abfd; |
de3b08ac | 1986 | boolean dynamic; |
2fa0b342 | 1987 | { |
de3b08ac ILT |
1988 | asymbol **current; |
1989 | long max; | |
ae5d2ff5 | 1990 | long count; |
2fa0b342 | 1991 | |
de3b08ac | 1992 | if (dynamic) |
aa0a709a | 1993 | { |
de3b08ac ILT |
1994 | current = dynsyms; |
1995 | max = dynsymcount; | |
1996 | if (max == 0) | |
1997 | return; | |
1998 | printf ("DYNAMIC SYMBOL TABLE:\n"); | |
1999 | } | |
2000 | else | |
2001 | { | |
2002 | current = syms; | |
2003 | max = symcount; | |
2004 | if (max == 0) | |
2005 | return; | |
2006 | printf ("SYMBOL TABLE:\n"); | |
2007 | } | |
2fa0b342 | 2008 | |
de3b08ac ILT |
2009 | for (count = 0; count < max; count++) |
2010 | { | |
d9971b83 | 2011 | if (*current) |
aa0a709a | 2012 | { |
d9971b83 KR |
2013 | bfd *cur_bfd = bfd_asymbol_bfd(*current); |
2014 | if (cur_bfd) | |
2015 | { | |
2016 | bfd_print_symbol (cur_bfd, | |
2017 | stdout, | |
2018 | *current, bfd_print_symbol_all); | |
2019 | printf ("\n"); | |
2020 | } | |
aa0a709a SC |
2021 | } |
2022 | current++; | |
2fa0b342 | 2023 | } |
aa0a709a SC |
2024 | printf ("\n"); |
2025 | printf ("\n"); | |
2fa0b342 DHW |
2026 | } |
2027 | ||
d9971b83 | 2028 | static void |
aa0a709a SC |
2029 | dump_relocs (abfd) |
2030 | bfd *abfd; | |
2fa0b342 DHW |
2031 | { |
2032 | arelent **relpp; | |
ae5d2ff5 | 2033 | long relcount; |
2fa0b342 | 2034 | asection *a; |
aa0a709a SC |
2035 | |
2036 | for (a = abfd->sections; a != (asection *) NULL; a = a->next) | |
2037 | { | |
ae5d2ff5 ILT |
2038 | long relsize; |
2039 | ||
28d1b01e | 2040 | if (bfd_is_abs_section (a)) |
aa0a709a | 2041 | continue; |
28d1b01e | 2042 | if (bfd_is_und_section (a)) |
aa0a709a | 2043 | continue; |
d9971b83 | 2044 | if (bfd_is_com_section (a)) |
aa0a709a SC |
2045 | continue; |
2046 | ||
195d1adf KR |
2047 | if (only) |
2048 | { | |
2049 | if (strcmp (only, a->name)) | |
2050 | continue; | |
2051 | } | |
2052 | else if ((a->flags & SEC_RELOC) == 0) | |
2053 | continue; | |
2054 | ||
ae5d2ff5 ILT |
2055 | relsize = bfd_get_reloc_upper_bound (abfd, a); |
2056 | if (relsize < 0) | |
2057 | bfd_fatal (bfd_get_filename (abfd)); | |
2058 | ||
c5ba2759 ILT |
2059 | printf ("RELOCATION RECORDS FOR [%s]:", a->name); |
2060 | ||
ae5d2ff5 | 2061 | if (relsize == 0) |
aa0a709a SC |
2062 | { |
2063 | printf (" (none)\n\n"); | |
d20f480f | 2064 | } |
aa0a709a SC |
2065 | else |
2066 | { | |
ae5d2ff5 | 2067 | relpp = (arelent **) xmalloc (relsize); |
aa0a709a | 2068 | relcount = bfd_canonicalize_reloc (abfd, a, relpp, syms); |
ae5d2ff5 ILT |
2069 | if (relcount < 0) |
2070 | bfd_fatal (bfd_get_filename (abfd)); | |
2071 | else if (relcount == 0) | |
aa0a709a SC |
2072 | { |
2073 | printf (" (none)\n\n"); | |
d20f480f | 2074 | } |
aa0a709a SC |
2075 | else |
2076 | { | |
2077 | printf ("\n"); | |
18f39dfa | 2078 | dump_reloc_set (abfd, a, relpp, relcount); |
aa0a709a | 2079 | printf ("\n\n"); |
d20f480f | 2080 | } |
de3b08ac | 2081 | free (relpp); |
2fa0b342 | 2082 | } |
de3b08ac ILT |
2083 | } |
2084 | } | |
2fa0b342 | 2085 | |
de3b08ac ILT |
2086 | static void |
2087 | dump_dynamic_relocs (abfd) | |
2088 | bfd *abfd; | |
2089 | { | |
2090 | long relsize; | |
2091 | arelent **relpp; | |
2092 | long relcount; | |
2093 | ||
de3b08ac ILT |
2094 | relsize = bfd_get_dynamic_reloc_upper_bound (abfd); |
2095 | if (relsize < 0) | |
2096 | bfd_fatal (bfd_get_filename (abfd)); | |
2097 | ||
c5ba2759 ILT |
2098 | printf ("DYNAMIC RELOCATION RECORDS"); |
2099 | ||
de3b08ac ILT |
2100 | if (relsize == 0) |
2101 | { | |
2102 | printf (" (none)\n\n"); | |
2103 | } | |
2104 | else | |
2105 | { | |
2106 | relpp = (arelent **) xmalloc (relsize); | |
2107 | relcount = bfd_canonicalize_dynamic_reloc (abfd, relpp, dynsyms); | |
2108 | if (relcount < 0) | |
2109 | bfd_fatal (bfd_get_filename (abfd)); | |
2110 | else if (relcount == 0) | |
2111 | { | |
2112 | printf (" (none)\n\n"); | |
2113 | } | |
2114 | else | |
2115 | { | |
2116 | printf ("\n"); | |
18f39dfa | 2117 | dump_reloc_set (abfd, (asection *) NULL, relpp, relcount); |
de3b08ac ILT |
2118 | printf ("\n\n"); |
2119 | } | |
2120 | free (relpp); | |
2121 | } | |
2122 | } | |
2123 | ||
2124 | static void | |
18f39dfa | 2125 | dump_reloc_set (abfd, sec, relpp, relcount) |
de3b08ac | 2126 | bfd *abfd; |
18f39dfa | 2127 | asection *sec; |
de3b08ac ILT |
2128 | arelent **relpp; |
2129 | long relcount; | |
2130 | { | |
2131 | arelent **p; | |
18f39dfa SG |
2132 | char *last_filename, *last_functionname; |
2133 | unsigned int last_line; | |
de3b08ac ILT |
2134 | |
2135 | /* Get column headers lined up reasonably. */ | |
2136 | { | |
2137 | static int width; | |
2138 | if (width == 0) | |
2139 | { | |
2140 | char buf[30]; | |
2141 | sprintf_vma (buf, (bfd_vma) -1); | |
2142 | width = strlen (buf) - 7; | |
2143 | } | |
2144 | printf ("OFFSET %*s TYPE %*s VALUE \n", width, "", 12, ""); | |
2145 | } | |
2146 | ||
18f39dfa SG |
2147 | last_filename = NULL; |
2148 | last_functionname = NULL; | |
2149 | last_line = 0; | |
2150 | ||
de3b08ac ILT |
2151 | for (p = relpp; relcount && *p != (arelent *) NULL; p++, relcount--) |
2152 | { | |
2153 | arelent *q = *p; | |
18f39dfa SG |
2154 | const char *filename, *functionname; |
2155 | unsigned int line; | |
2156 | const char *sym_name; | |
2157 | const char *section_name; | |
de3b08ac | 2158 | |
aa21a2a9 ILT |
2159 | if (start_address != (bfd_vma) -1 |
2160 | && q->address < start_address) | |
2161 | continue; | |
2162 | if (stop_address != (bfd_vma) -1 | |
2163 | && q->address > stop_address) | |
2164 | continue; | |
2165 | ||
18f39dfa SG |
2166 | if (with_line_numbers |
2167 | && sec != NULL | |
2168 | && bfd_find_nearest_line (abfd, sec, syms, q->address, | |
2169 | &filename, &functionname, &line)) | |
2170 | { | |
2171 | if (functionname != NULL | |
2172 | && (last_functionname == NULL | |
2173 | || strcmp (functionname, last_functionname) != 0)) | |
2174 | { | |
2175 | printf ("%s():\n", functionname); | |
2176 | if (last_functionname != NULL) | |
2177 | free (last_functionname); | |
2178 | last_functionname = xstrdup (functionname); | |
2179 | } | |
2180 | if (line > 0 | |
2181 | && (line != last_line | |
2182 | || (filename != NULL | |
2183 | && last_filename != NULL | |
2184 | && strcmp (filename, last_filename) != 0))) | |
2185 | { | |
2186 | printf ("%s:%u\n", filename == NULL ? "???" : filename, line); | |
2187 | last_line = line; | |
2188 | if (last_filename != NULL) | |
2189 | free (last_filename); | |
2190 | if (filename == NULL) | |
2191 | last_filename = NULL; | |
2192 | else | |
2193 | last_filename = xstrdup (filename); | |
2194 | } | |
2195 | } | |
2196 | ||
de3b08ac ILT |
2197 | if (q->sym_ptr_ptr && *q->sym_ptr_ptr) |
2198 | { | |
2199 | sym_name = (*(q->sym_ptr_ptr))->name; | |
2200 | section_name = (*(q->sym_ptr_ptr))->section->name; | |
2201 | } | |
2202 | else | |
2203 | { | |
2204 | sym_name = NULL; | |
2205 | section_name = NULL; | |
2206 | } | |
2207 | if (sym_name) | |
2208 | { | |
2209 | printf_vma (q->address); | |
2210 | printf (" %-16s %s", | |
2211 | q->howto->name, | |
2212 | sym_name); | |
2213 | } | |
2214 | else | |
2215 | { | |
2216 | if (section_name == (CONST char *) NULL) | |
2217 | section_name = "*unknown*"; | |
2218 | printf_vma (q->address); | |
2219 | printf (" %-16s [%s]", | |
2220 | q->howto->name, | |
2221 | section_name); | |
2222 | } | |
2223 | if (q->addend) | |
2224 | { | |
2225 | printf ("+0x"); | |
2226 | printf_vma (q->addend); | |
2227 | } | |
2228 | printf ("\n"); | |
d20f480f | 2229 | } |
2fa0b342 | 2230 | } |
f7b839f7 | 2231 | \f |
f7b839f7 DM |
2232 | /* The length of the longest architecture name + 1. */ |
2233 | #define LONGEST_ARCH sizeof("rs6000:6000") | |
2234 | ||
e1c14599 ILT |
2235 | static const char * |
2236 | endian_string (endian) | |
2237 | enum bfd_endian endian; | |
2238 | { | |
2239 | if (endian == BFD_ENDIAN_BIG) | |
2240 | return "big endian"; | |
2241 | else if (endian == BFD_ENDIAN_LITTLE) | |
2242 | return "little endian"; | |
2243 | else | |
2244 | return "endianness unknown"; | |
2245 | } | |
2246 | ||
f7b839f7 DM |
2247 | /* List the targets that BFD is configured to support, each followed |
2248 | by its endianness and the architectures it supports. */ | |
2249 | ||
2250 | static void | |
2251 | display_target_list () | |
2252 | { | |
2253 | extern bfd_target *bfd_target_vector[]; | |
de04bceb | 2254 | char *dummy_name; |
f7b839f7 DM |
2255 | int t; |
2256 | ||
7f924d55 | 2257 | dummy_name = choose_temp_base (); |
f7b839f7 DM |
2258 | for (t = 0; bfd_target_vector[t]; t++) |
2259 | { | |
f7b839f7 | 2260 | bfd_target *p = bfd_target_vector[t]; |
de04bceb | 2261 | bfd *abfd = bfd_openw (dummy_name, p->name); |
105da05c ILT |
2262 | int a; |
2263 | ||
2264 | printf ("%s\n (header %s, data %s)\n", p->name, | |
e1c14599 ILT |
2265 | endian_string (p->header_byteorder), |
2266 | endian_string (p->byteorder)); | |
f7b839f7 | 2267 | |
334d6e76 SS |
2268 | if (abfd == NULL) |
2269 | { | |
de04bceb | 2270 | bfd_nonfatal (dummy_name); |
105da05c | 2271 | continue; |
334d6e76 | 2272 | } |
105da05c ILT |
2273 | |
2274 | if (! bfd_set_format (abfd, bfd_object)) | |
2275 | { | |
2276 | if (bfd_get_error () != bfd_error_invalid_operation) | |
2277 | bfd_nonfatal (p->name); | |
2278 | continue; | |
2279 | } | |
2280 | ||
f7b839f7 DM |
2281 | for (a = (int) bfd_arch_obscure + 1; a < (int) bfd_arch_last; a++) |
2282 | if (bfd_set_arch_mach (abfd, (enum bfd_architecture) a, 0)) | |
2283 | printf (" %s\n", | |
2284 | bfd_printable_arch_mach ((enum bfd_architecture) a, 0)); | |
2285 | } | |
de04bceb | 2286 | unlink (dummy_name); |
7f924d55 | 2287 | free (dummy_name); |
f7b839f7 DM |
2288 | } |
2289 | ||
2290 | /* Print a table showing which architectures are supported for entries | |
2291 | FIRST through LAST-1 of bfd_target_vector (targets across, | |
2292 | architectures down). */ | |
2293 | ||
9872a49c | 2294 | static void |
abdcac0f DM |
2295 | display_info_table (first, last) |
2296 | int first; | |
2297 | int last; | |
9872a49c | 2298 | { |
abdcac0f | 2299 | extern bfd_target *bfd_target_vector[]; |
de04bceb ILT |
2300 | int t, a; |
2301 | char *dummy_name; | |
9872a49c | 2302 | |
f7b839f7 | 2303 | /* Print heading of target names. */ |
ae5d2ff5 | 2304 | printf ("\n%*s", (int) LONGEST_ARCH, " "); |
105da05c | 2305 | for (t = first; t < last && bfd_target_vector[t]; t++) |
f7b839f7 DM |
2306 | printf ("%s ", bfd_target_vector[t]->name); |
2307 | putchar ('\n'); | |
9872a49c | 2308 | |
7f924d55 | 2309 | dummy_name = choose_temp_base (); |
f7b839f7 DM |
2310 | for (a = (int) bfd_arch_obscure + 1; a < (int) bfd_arch_last; a++) |
2311 | if (strcmp (bfd_printable_arch_mach (a, 0), "UNKNOWN!") != 0) | |
e779a58c | 2312 | { |
ae5d2ff5 ILT |
2313 | printf ("%*s ", (int) LONGEST_ARCH - 1, |
2314 | bfd_printable_arch_mach (a, 0)); | |
105da05c | 2315 | for (t = first; t < last && bfd_target_vector[t]; t++) |
aa0a709a | 2316 | { |
f7b839f7 | 2317 | bfd_target *p = bfd_target_vector[t]; |
105da05c | 2318 | boolean ok = true; |
de04bceb | 2319 | bfd *abfd = bfd_openw (dummy_name, p->name); |
aa0a709a | 2320 | |
334d6e76 SS |
2321 | if (abfd == NULL) |
2322 | { | |
105da05c ILT |
2323 | bfd_nonfatal (p->name); |
2324 | ok = false; | |
2325 | } | |
2326 | ||
2327 | if (ok) | |
2328 | { | |
2329 | if (! bfd_set_format (abfd, bfd_object)) | |
2330 | { | |
2331 | if (bfd_get_error () != bfd_error_invalid_operation) | |
2332 | bfd_nonfatal (p->name); | |
2333 | ok = false; | |
2334 | } | |
334d6e76 | 2335 | } |
105da05c ILT |
2336 | |
2337 | if (ok) | |
2338 | { | |
2339 | if (! bfd_set_arch_mach (abfd, a, 0)) | |
2340 | ok = false; | |
2341 | } | |
2342 | ||
2343 | if (ok) | |
aa0a709a SC |
2344 | printf ("%s ", p->name); |
2345 | else | |
e779a58c | 2346 | { |
f7b839f7 | 2347 | int l = strlen (p->name); |
aa0a709a | 2348 | while (l--) |
f7b839f7 DM |
2349 | putchar ('-'); |
2350 | putchar (' '); | |
e779a58c | 2351 | } |
e779a58c | 2352 | } |
f7b839f7 | 2353 | putchar ('\n'); |
e779a58c | 2354 | } |
de04bceb | 2355 | unlink (dummy_name); |
7f924d55 | 2356 | free (dummy_name); |
9872a49c | 2357 | } |
aa0a709a | 2358 | |
f7b839f7 DM |
2359 | /* Print tables of all the target-architecture combinations that |
2360 | BFD has been configured to support. */ | |
2361 | ||
aa0a709a | 2362 | static void |
f7b839f7 | 2363 | display_target_tables () |
aa0a709a | 2364 | { |
f7b839f7 | 2365 | int t, columns; |
abdcac0f | 2366 | extern bfd_target *bfd_target_vector[]; |
f7b839f7 | 2367 | char *colum; |
aa0a709a SC |
2368 | extern char *getenv (); |
2369 | ||
aa0a709a | 2370 | columns = 0; |
f7b839f7 DM |
2371 | colum = getenv ("COLUMNS"); |
2372 | if (colum != NULL) | |
aa0a709a | 2373 | columns = atoi (colum); |
f7b839f7 | 2374 | if (columns == 0) |
aa0a709a | 2375 | columns = 80; |
f7b839f7 | 2376 | |
105da05c ILT |
2377 | t = 0; |
2378 | while (bfd_target_vector[t] != NULL) | |
aa0a709a | 2379 | { |
f7b839f7 DM |
2380 | int oldt = t, wid; |
2381 | ||
105da05c ILT |
2382 | wid = LONGEST_ARCH + strlen (bfd_target_vector[t]->name) + 1; |
2383 | ++t; | |
2384 | while (wid < columns && bfd_target_vector[t] != NULL) | |
2385 | { | |
2386 | int newwid; | |
2387 | ||
2388 | newwid = wid + strlen (bfd_target_vector[t]->name) + 1; | |
2389 | if (newwid >= columns) | |
2390 | break; | |
2391 | wid = newwid; | |
2392 | ++t; | |
2393 | } | |
f7b839f7 | 2394 | display_info_table (oldt, t); |
aa0a709a SC |
2395 | } |
2396 | } | |
2397 | ||
f7b839f7 DM |
2398 | static void |
2399 | display_info () | |
2400 | { | |
2401 | printf ("BFD header file version %s\n", BFD_VERSION); | |
2402 | display_target_list (); | |
2403 | display_target_tables (); | |
2404 | } | |
2405 | ||
2fa0b342 DHW |
2406 | int |
2407 | main (argc, argv) | |
2408 | int argc; | |
2409 | char **argv; | |
2410 | { | |
2411 | int c; | |
2fa0b342 DHW |
2412 | char *target = default_target; |
2413 | boolean seenflag = false; | |
2fa0b342 DHW |
2414 | |
2415 | program_name = *argv; | |
8f197c94 ILT |
2416 | xmalloc_set_program_name (program_name); |
2417 | ||
be1d162b ILT |
2418 | START_PROGRESS (program_name, 0); |
2419 | ||
8f197c94 | 2420 | bfd_init (); |
2fa0b342 | 2421 | |
18f39dfa SG |
2422 | while ((c = getopt_long (argc, argv, "pib:m:VdDlfahrRtTxsSj:wE:", |
2423 | long_options, (int *) 0)) | |
aa0a709a SC |
2424 | != EOF) |
2425 | { | |
aa21a2a9 ILT |
2426 | if (c != 'l' && c != OPTION_START_ADDRESS && c != OPTION_STOP_ADDRESS) |
2427 | seenflag = true; | |
aa0a709a SC |
2428 | switch (c) |
2429 | { | |
b3a2b497 ILT |
2430 | case 0: |
2431 | break; /* we've been given a long option */ | |
aa0a709a SC |
2432 | case 'm': |
2433 | machine = optarg; | |
2434 | break; | |
2435 | case 'j': | |
2436 | only = optarg; | |
2437 | break; | |
2438 | case 'l': | |
2439 | with_line_numbers = 1; | |
2440 | break; | |
2441 | case 'b': | |
2442 | target = optarg; | |
2443 | break; | |
2444 | case 'f': | |
2445 | dump_file_header = true; | |
2446 | break; | |
2447 | case 'i': | |
e1ec9f07 | 2448 | formats_info = true; |
aa0a709a | 2449 | break; |
a65619c8 SC |
2450 | case 'p': |
2451 | dump_private_headers = 1; | |
2452 | break; | |
aa0a709a | 2453 | case 'x': |
a65619c8 | 2454 | dump_private_headers = 1; |
aa0a709a SC |
2455 | dump_symtab = 1; |
2456 | dump_reloc_info = 1; | |
2457 | dump_file_header = true; | |
2458 | dump_ar_hdrs = 1; | |
2459 | dump_section_headers = 1; | |
2460 | break; | |
aa0a709a SC |
2461 | case 't': |
2462 | dump_symtab = 1; | |
2463 | break; | |
de3b08ac ILT |
2464 | case 'T': |
2465 | dump_dynamic_symtab = 1; | |
2466 | break; | |
aa0a709a SC |
2467 | case 'd': |
2468 | disassemble = true; | |
2469 | break; | |
d5464baa ILT |
2470 | case 'D': |
2471 | disassemble = disassemble_all = true; | |
2472 | break; | |
be1d162b ILT |
2473 | case 'S': |
2474 | disassemble = true; | |
2475 | with_source_code = true; | |
2476 | break; | |
aa0a709a SC |
2477 | case 's': |
2478 | dump_section_contents = 1; | |
2479 | break; | |
2480 | case 'r': | |
2481 | dump_reloc_info = 1; | |
2482 | break; | |
de3b08ac ILT |
2483 | case 'R': |
2484 | dump_dynamic_reloc_info = 1; | |
2485 | break; | |
aa0a709a SC |
2486 | case 'a': |
2487 | dump_ar_hdrs = 1; | |
2488 | break; | |
2489 | case 'h': | |
2490 | dump_section_headers = 1; | |
2491 | break; | |
b3a2b497 ILT |
2492 | case 'H': |
2493 | usage (stdout, 0); | |
249c6fc0 RS |
2494 | case 'V': |
2495 | show_version = 1; | |
2496 | break; | |
13e4db2e SC |
2497 | case 'w': |
2498 | wide_output = 1; | |
2499 | break; | |
aa21a2a9 ILT |
2500 | case OPTION_START_ADDRESS: |
2501 | start_address = parse_vma (optarg, "--start-address"); | |
2502 | break; | |
2503 | case OPTION_STOP_ADDRESS: | |
2504 | stop_address = parse_vma (optarg, "--stop-address"); | |
2505 | break; | |
18f39dfa SG |
2506 | case 'E': |
2507 | if (strcmp (optarg, "B") == 0) | |
2508 | endian = BFD_ENDIAN_BIG; | |
2509 | else if (strcmp (optarg, "L") == 0) | |
2510 | endian = BFD_ENDIAN_LITTLE; | |
2511 | else | |
2512 | { | |
2513 | fprintf (stderr, "%s: unrecognized -E option\n", program_name); | |
2514 | usage (stderr, 1); | |
2515 | } | |
2516 | break; | |
2517 | case OPTION_ENDIAN: | |
2518 | if (strncmp (optarg, "big", strlen (optarg)) == 0) | |
2519 | endian = BFD_ENDIAN_BIG; | |
2520 | else if (strncmp (optarg, "little", strlen (optarg)) == 0) | |
2521 | endian = BFD_ENDIAN_LITTLE; | |
2522 | else | |
2523 | { | |
2524 | fprintf (stderr, "%s: unrecognized --endian type `%s'\n", | |
2525 | program_name, optarg); | |
2526 | usage (stderr, 1); | |
2527 | } | |
2528 | break; | |
aa0a709a | 2529 | default: |
b3a2b497 | 2530 | usage (stderr, 1); |
aa0a709a | 2531 | } |
2fa0b342 | 2532 | } |
2fa0b342 | 2533 | |
249c6fc0 | 2534 | if (show_version) |
7f924d55 | 2535 | print_version ("objdump"); |
249c6fc0 | 2536 | |
2fa0b342 | 2537 | if (seenflag == false) |
b3a2b497 | 2538 | usage (stderr, 1); |
2fa0b342 | 2539 | |
e1ec9f07 | 2540 | if (formats_info) |
aa0a709a SC |
2541 | { |
2542 | display_info (); | |
2543 | } | |
2544 | else | |
2545 | { | |
2546 | if (optind == argc) | |
2547 | display_file ("a.out", target); | |
2548 | else | |
2549 | for (; optind < argc;) | |
2550 | display_file (argv[optind++], target); | |
2551 | } | |
be1d162b ILT |
2552 | |
2553 | END_PROGRESS (program_name); | |
2554 | ||
2fa0b342 DHW |
2555 | return 0; |
2556 | } |