Commit | Line | Data |
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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 */ | |
5c59269f | 71 | static bfd_vma adjust_section_vma = 0; /* --adjust-vma */ |
195d1adf | 72 | |
cef35d48 | 73 | /* Extra info to pass to the disassembler address printing function. */ |
195d1adf KR |
74 | struct objdump_disasm_info { |
75 | bfd *abfd; | |
76 | asection *sec; | |
8b129785 | 77 | boolean require_sec; |
195d1adf | 78 | }; |
2fa0b342 | 79 | |
cef35d48 | 80 | /* Architecture to disassemble for, or default if NULL. */ |
18f39dfa SG |
81 | static char *machine = (char *) NULL; |
82 | ||
83 | /* Endianness to disassemble for, or default if BFD_ENDIAN_UNKNOWN. */ | |
84 | static enum bfd_endian endian = BFD_ENDIAN_UNKNOWN; | |
f7b839f7 DM |
85 | |
86 | /* The symbol table. */ | |
18f39dfa | 87 | static asymbol **syms; |
2fa0b342 | 88 | |
f7b839f7 | 89 | /* Number of symbols in `syms'. */ |
18f39dfa | 90 | static long symcount = 0; |
2fa0b342 | 91 | |
be1d162b | 92 | /* The sorted symbol table. */ |
18f39dfa | 93 | static asymbol **sorted_syms; |
be1d162b ILT |
94 | |
95 | /* Number of symbols in `sorted_syms'. */ | |
18f39dfa | 96 | static long sorted_symcount = 0; |
be1d162b | 97 | |
de3b08ac | 98 | /* The dynamic symbol table. */ |
18f39dfa | 99 | static asymbol **dynsyms; |
de3b08ac ILT |
100 | |
101 | /* Number of symbols in `dynsyms'. */ | |
18f39dfa | 102 | static long dynsymcount = 0; |
de3b08ac | 103 | |
d9971b83 KR |
104 | /* Forward declarations. */ |
105 | ||
106 | static void | |
107 | display_file PARAMS ((char *filename, char *target)); | |
108 | ||
109 | static void | |
110 | dump_data PARAMS ((bfd *abfd)); | |
111 | ||
112 | static void | |
113 | dump_relocs PARAMS ((bfd *abfd)); | |
114 | ||
115 | static void | |
de3b08ac ILT |
116 | dump_dynamic_relocs PARAMS ((bfd * abfd)); |
117 | ||
118 | static void | |
18f39dfa | 119 | dump_reloc_set PARAMS ((bfd *, asection *, arelent **, long)); |
de3b08ac ILT |
120 | |
121 | static void | |
122 | dump_symbols PARAMS ((bfd *abfd, boolean dynamic)); | |
02a68547 ILT |
123 | |
124 | static void | |
125 | display_bfd PARAMS ((bfd *abfd)); | |
8f197c94 | 126 | |
c5ba2759 | 127 | static void |
51b8c416 | 128 | objdump_print_value PARAMS ((bfd_vma, struct disassemble_info *, boolean)); |
c5ba2759 | 129 | |
b4aabb24 ILT |
130 | static asymbol * |
131 | find_symbol_for_address PARAMS ((bfd *, asection *, bfd_vma, boolean, long *)); | |
132 | ||
133 | static void | |
134 | objdump_print_addr_with_sym PARAMS ((bfd *, asection *, asymbol *, bfd_vma, | |
51b8c416 ILT |
135 | struct disassemble_info *, boolean)); |
136 | ||
137 | static void | |
138 | objdump_print_addr PARAMS ((bfd_vma, struct disassemble_info *, boolean)); | |
b4aabb24 | 139 | |
8f197c94 ILT |
140 | static void |
141 | objdump_print_address PARAMS ((bfd_vma, struct disassemble_info *)); | |
be1d162b ILT |
142 | |
143 | static void | |
144 | show_line PARAMS ((bfd *, asection *, bfd_vma)); | |
e1c14599 | 145 | |
b4aabb24 ILT |
146 | static void |
147 | disassemble_bytes PARAMS ((struct disassemble_info *, disassembler_ftype, | |
148 | boolean, bfd_byte *, long, long, arelent ***, | |
149 | arelent **)); | |
150 | ||
151 | static void | |
152 | disassemble_data PARAMS ((bfd *)); | |
153 | ||
e1c14599 ILT |
154 | static const char * |
155 | endian_string PARAMS ((enum bfd_endian)); | |
d9971b83 | 156 | \f |
18f39dfa | 157 | static void |
b3a2b497 ILT |
158 | usage (stream, status) |
159 | FILE *stream; | |
160 | int status; | |
2fa0b342 | 161 | { |
b3a2b497 | 162 | fprintf (stream, "\ |
a65619c8 | 163 | Usage: %s [-ahifdDprRtTxsSlw] [-b bfdname] [-m machine] [-j section-name]\n\ |
e1c14599 | 164 | [--archive-headers] [--target=bfdname] [--debugging] [--disassemble]\n\ |
51b8c416 ILT |
165 | [--disassemble-all] [--disassemble-zeroes] [--file-headers]\n\ |
166 | [--section-headers] [--headers]\n\ | |
13e4db2e SC |
167 | [--info] [--section=section-name] [--line-numbers] [--source]\n", |
168 | program_name); | |
169 | fprintf (stream, "\ | |
d5464baa ILT |
170 | [--architecture=machine] [--reloc] [--full-contents] [--stabs]\n\ |
171 | [--syms] [--all-headers] [--dynamic-syms] [--dynamic-reloc]\n\ | |
aa21a2a9 | 172 | [--wide] [--version] [--help] [--private-headers]\n\ |
458bbd1f | 173 | [--start-address=addr] [--stop-address=addr]\n\ |
5c59269f | 174 | [--prefix-addresses] [--[no-]show-raw-insn] [--adjust-vma=offset]\n\ |
b4aabb24 | 175 | [-EB|-EL] [--endian={big|little}] objfile...\n\ |
13e4db2e | 176 | at least one option besides -l (--line-numbers) must be given\n"); |
be1d162b | 177 | list_supported_targets (program_name, stream); |
7f924d55 ILT |
178 | if (status == 0) |
179 | fprintf (stream, "Report bugs to bug-gnu-utils@prep.ai.mit.edu\n"); | |
b3a2b497 | 180 | exit (status); |
2fa0b342 DHW |
181 | } |
182 | ||
aa21a2a9 ILT |
183 | /* 150 isn't special; it's just an arbitrary non-ASCII char value. */ |
184 | ||
18f39dfa SG |
185 | #define OPTION_ENDIAN (150) |
186 | #define OPTION_START_ADDRESS (OPTION_ENDIAN + 1) | |
aa21a2a9 | 187 | #define OPTION_STOP_ADDRESS (OPTION_START_ADDRESS + 1) |
5c59269f | 188 | #define OPTION_ADJUST_VMA (OPTION_STOP_ADDRESS + 1) |
aa21a2a9 | 189 | |
aa0a709a SC |
190 | static struct option long_options[]= |
191 | { | |
5c59269f | 192 | {"adjust-vma", required_argument, NULL, OPTION_ADJUST_VMA}, |
02a68547 | 193 | {"all-headers", no_argument, NULL, 'x'}, |
a65619c8 | 194 | {"private-headers", no_argument, NULL, 'p'}, |
02a68547 ILT |
195 | {"architecture", required_argument, NULL, 'm'}, |
196 | {"archive-headers", no_argument, NULL, 'a'}, | |
e1c14599 | 197 | {"debugging", no_argument, &dump_debugging, 1}, |
02a68547 | 198 | {"disassemble", no_argument, NULL, 'd'}, |
d5464baa | 199 | {"disassemble-all", no_argument, NULL, 'D'}, |
51b8c416 | 200 | {"disassemble-zeroes", no_argument, &disassemble_zeroes, 1}, |
de3b08ac ILT |
201 | {"dynamic-reloc", no_argument, NULL, 'R'}, |
202 | {"dynamic-syms", no_argument, NULL, 'T'}, | |
18f39dfa | 203 | {"endian", required_argument, NULL, OPTION_ENDIAN}, |
02a68547 ILT |
204 | {"file-headers", no_argument, NULL, 'f'}, |
205 | {"full-contents", no_argument, NULL, 's'}, | |
206 | {"headers", no_argument, NULL, 'h'}, | |
207 | {"help", no_argument, NULL, 'H'}, | |
208 | {"info", no_argument, NULL, 'i'}, | |
209 | {"line-numbers", no_argument, NULL, 'l'}, | |
5c59269f | 210 | {"no-show-raw-insn", no_argument, &show_raw_insn, -1}, |
b4aabb24 | 211 | {"prefix-addresses", no_argument, &prefix_addresses, 1}, |
02a68547 ILT |
212 | {"reloc", no_argument, NULL, 'r'}, |
213 | {"section", required_argument, NULL, 'j'}, | |
214 | {"section-headers", no_argument, NULL, 'h'}, | |
458bbd1f | 215 | {"show-raw-insn", no_argument, &show_raw_insn, 1}, |
be1d162b | 216 | {"source", no_argument, NULL, 'S'}, |
73b8f102 | 217 | {"stabs", no_argument, &dump_stab_section_info, 1}, |
aa21a2a9 ILT |
218 | {"start-address", required_argument, NULL, OPTION_START_ADDRESS}, |
219 | {"stop-address", required_argument, NULL, OPTION_STOP_ADDRESS}, | |
02a68547 ILT |
220 | {"syms", no_argument, NULL, 't'}, |
221 | {"target", required_argument, NULL, 'b'}, | |
aa21a2a9 | 222 | {"version", no_argument, &show_version, 1}, |
13e4db2e | 223 | {"wide", no_argument, &wide_output, 'w'}, |
d2442698 DM |
224 | {0, no_argument, 0, 0} |
225 | }; | |
f7b839f7 | 226 | \f |
2fa0b342 | 227 | static void |
f7b839f7 | 228 | dump_section_header (abfd, section, ignored) |
aa0a709a | 229 | bfd *abfd; |
f7b839f7 DM |
230 | asection *section; |
231 | PTR ignored; | |
2fa0b342 | 232 | { |
f7b839f7 | 233 | char *comma = ""; |
aa0a709a | 234 | |
38d7c012 | 235 | printf ("%3d %-13s %08lx ", section->index, |
1efb2ef0 ILT |
236 | bfd_get_section_name (abfd, section), |
237 | (unsigned long) bfd_section_size (abfd, section)); | |
238 | printf_vma (bfd_get_section_vma (abfd, section)); | |
239 | printf (" "); | |
240 | printf_vma (section->lma); | |
241 | printf (" %08lx 2**%u", section->filepos, | |
242 | bfd_get_section_alignment (abfd, section)); | |
243 | if (! wide_output) | |
244 | printf ("\n "); | |
245 | printf (" "); | |
f7b839f7 | 246 | |
1efb2ef0 ILT |
247 | #define PF(x, y) \ |
248 | if (section->flags & x) { printf ("%s%s", comma, y); comma = ", "; } | |
f7b839f7 | 249 | |
1efb2ef0 | 250 | PF (SEC_HAS_CONTENTS, "CONTENTS"); |
f7b839f7 DM |
251 | PF (SEC_ALLOC, "ALLOC"); |
252 | PF (SEC_CONSTRUCTOR, "CONSTRUCTOR"); | |
253 | PF (SEC_CONSTRUCTOR_TEXT, "CONSTRUCTOR TEXT"); | |
254 | PF (SEC_CONSTRUCTOR_DATA, "CONSTRUCTOR DATA"); | |
255 | PF (SEC_CONSTRUCTOR_BSS, "CONSTRUCTOR BSS"); | |
256 | PF (SEC_LOAD, "LOAD"); | |
257 | PF (SEC_RELOC, "RELOC"); | |
195d1adf | 258 | #ifdef SEC_BALIGN |
f7b839f7 | 259 | PF (SEC_BALIGN, "BALIGN"); |
195d1adf | 260 | #endif |
f7b839f7 DM |
261 | PF (SEC_READONLY, "READONLY"); |
262 | PF (SEC_CODE, "CODE"); | |
263 | PF (SEC_DATA, "DATA"); | |
264 | PF (SEC_ROM, "ROM"); | |
265 | PF (SEC_DEBUGGING, "DEBUGGING"); | |
28d1b01e | 266 | PF (SEC_NEVER_LOAD, "NEVER_LOAD"); |
83f4323e | 267 | PF (SEC_EXCLUDE, "EXCLUDE"); |
38d7c012 ILT |
268 | PF (SEC_SORT_ENTRIES, "SORT_ENTRIES"); |
269 | ||
270 | if ((section->flags & SEC_LINK_ONCE) != 0) | |
271 | { | |
272 | const char *ls; | |
273 | ||
274 | switch (section->flags & SEC_LINK_DUPLICATES) | |
275 | { | |
276 | default: | |
277 | abort (); | |
278 | case SEC_LINK_DUPLICATES_DISCARD: | |
279 | ls = "LINK_ONCE_DISCARD"; | |
280 | break; | |
281 | case SEC_LINK_DUPLICATES_ONE_ONLY: | |
282 | ls = "LINK_ONCE_ONE_ONLY"; | |
283 | break; | |
284 | case SEC_LINK_DUPLICATES_SAME_SIZE: | |
285 | ls = "LINK_ONCE_SAME_SIZE"; | |
286 | break; | |
287 | case SEC_LINK_DUPLICATES_SAME_CONTENTS: | |
288 | ls = "LINK_ONCE_SAME_CONTENTS"; | |
289 | break; | |
290 | } | |
291 | printf ("%s%s", comma, ls); | |
292 | comma = ", "; | |
293 | } | |
294 | ||
f7b839f7 | 295 | printf ("\n"); |
2fa0b342 | 296 | #undef PF |
2fa0b342 DHW |
297 | } |
298 | ||
f7b839f7 DM |
299 | static void |
300 | dump_headers (abfd) | |
301 | bfd *abfd; | |
302 | { | |
1efb2ef0 ILT |
303 | printf ("Sections:\n"); |
304 | #ifndef BFD64 | |
305 | printf ("Idx Name Size VMA LMA File off Algn\n"); | |
306 | #else | |
307 | printf ("Idx Name Size VMA LMA File off Algn\n"); | |
308 | #endif | |
f7b839f7 DM |
309 | bfd_map_over_sections (abfd, dump_section_header, (PTR) NULL); |
310 | } | |
311 | \f | |
2fa0b342 | 312 | static asymbol ** |
abdcac0f DM |
313 | slurp_symtab (abfd) |
314 | bfd *abfd; | |
2fa0b342 | 315 | { |
aa0a709a | 316 | asymbol **sy = (asymbol **) NULL; |
ae5d2ff5 | 317 | long storage; |
2fa0b342 | 318 | |
aa0a709a SC |
319 | if (!(bfd_get_file_flags (abfd) & HAS_SYMS)) |
320 | { | |
f7b839f7 | 321 | printf ("No symbols in \"%s\".\n", bfd_get_filename (abfd)); |
c5ba2759 | 322 | symcount = 0; |
f7b839f7 | 323 | return NULL; |
aa0a709a SC |
324 | } |
325 | ||
ae5d2ff5 ILT |
326 | storage = bfd_get_symtab_upper_bound (abfd); |
327 | if (storage < 0) | |
328 | bfd_fatal (bfd_get_filename (abfd)); | |
329 | ||
aa0a709a SC |
330 | if (storage) |
331 | { | |
02a68547 | 332 | sy = (asymbol **) xmalloc (storage); |
aa0a709a SC |
333 | } |
334 | symcount = bfd_canonicalize_symtab (abfd, sy); | |
ae5d2ff5 ILT |
335 | if (symcount < 0) |
336 | bfd_fatal (bfd_get_filename (abfd)); | |
337 | if (symcount == 0) | |
de3b08ac ILT |
338 | fprintf (stderr, "%s: %s: No symbols\n", |
339 | program_name, bfd_get_filename (abfd)); | |
340 | return sy; | |
341 | } | |
342 | ||
343 | /* Read in the dynamic symbols. */ | |
344 | ||
345 | static asymbol ** | |
346 | slurp_dynamic_symtab (abfd) | |
347 | bfd *abfd; | |
348 | { | |
349 | asymbol **sy = (asymbol **) NULL; | |
350 | long storage; | |
351 | ||
de3b08ac ILT |
352 | storage = bfd_get_dynamic_symtab_upper_bound (abfd); |
353 | if (storage < 0) | |
28d1b01e ILT |
354 | { |
355 | if (!(bfd_get_file_flags (abfd) & DYNAMIC)) | |
356 | { | |
357 | fprintf (stderr, "%s: %s: not a dynamic object\n", | |
358 | program_name, bfd_get_filename (abfd)); | |
c5ba2759 | 359 | dynsymcount = 0; |
28d1b01e ILT |
360 | return NULL; |
361 | } | |
362 | ||
363 | bfd_fatal (bfd_get_filename (abfd)); | |
364 | } | |
de3b08ac ILT |
365 | |
366 | if (storage) | |
367 | { | |
368 | sy = (asymbol **) xmalloc (storage); | |
369 | } | |
370 | dynsymcount = bfd_canonicalize_dynamic_symtab (abfd, sy); | |
371 | if (dynsymcount < 0) | |
372 | bfd_fatal (bfd_get_filename (abfd)); | |
373 | if (dynsymcount == 0) | |
374 | fprintf (stderr, "%s: %s: No dynamic symbols\n", | |
375 | program_name, bfd_get_filename (abfd)); | |
aa0a709a | 376 | return sy; |
2fa0b342 | 377 | } |
aa0a709a | 378 | |
f7b839f7 DM |
379 | /* Filter out (in place) symbols that are useless for disassembly. |
380 | COUNT is the number of elements in SYMBOLS. | |
381 | Return the number of useful symbols. */ | |
3ae36cb6 | 382 | |
18f39dfa | 383 | static long |
f7b839f7 DM |
384 | remove_useless_symbols (symbols, count) |
385 | asymbol **symbols; | |
ae5d2ff5 | 386 | long count; |
3ae36cb6 | 387 | { |
f7b839f7 | 388 | register asymbol **in_ptr = symbols, **out_ptr = symbols; |
3ae36cb6 | 389 | |
f7b839f7 | 390 | while (--count >= 0) |
3ae36cb6 PB |
391 | { |
392 | asymbol *sym = *in_ptr++; | |
393 | ||
394 | if (sym->name == NULL || sym->name[0] == '\0') | |
395 | continue; | |
396 | if (sym->flags & (BSF_DEBUGGING)) | |
397 | continue; | |
28d1b01e | 398 | if (bfd_is_und_section (sym->section) |
3ae36cb6 PB |
399 | || bfd_is_com_section (sym->section)) |
400 | continue; | |
401 | ||
402 | *out_ptr++ = sym; | |
403 | } | |
f7b839f7 | 404 | return out_ptr - symbols; |
3ae36cb6 PB |
405 | } |
406 | ||
e1c14599 | 407 | /* Sort symbols into value order. */ |
37853673 | 408 | |
aa0a709a | 409 | static int |
37853673 | 410 | compare_symbols (ap, bp) |
d5464baa ILT |
411 | const PTR ap; |
412 | const PTR bp; | |
2fa0b342 | 413 | { |
d5464baa ILT |
414 | const asymbol *a = *(const asymbol **)ap; |
415 | const asymbol *b = *(const asymbol **)bp; | |
db552bda ILT |
416 | const char *an, *bn; |
417 | size_t anl, bnl; | |
418 | boolean af, bf; | |
e1c14599 | 419 | flagword aflags, bflags; |
2fa0b342 | 420 | |
be1d162b | 421 | if (bfd_asymbol_value (a) > bfd_asymbol_value (b)) |
3ae36cb6 | 422 | return 1; |
be1d162b | 423 | else if (bfd_asymbol_value (a) < bfd_asymbol_value (b)) |
3ae36cb6 | 424 | return -1; |
2fa0b342 | 425 | |
3ae36cb6 PB |
426 | if (a->section > b->section) |
427 | return 1; | |
428 | else if (a->section < b->section) | |
429 | return -1; | |
db552bda ILT |
430 | |
431 | an = bfd_asymbol_name (a); | |
432 | bn = bfd_asymbol_name (b); | |
433 | anl = strlen (an); | |
434 | bnl = strlen (bn); | |
435 | ||
436 | /* The symbols gnu_compiled and gcc2_compiled convey no real | |
437 | information, so put them after other symbols with the same value. */ | |
438 | ||
439 | af = (strstr (an, "gnu_compiled") != NULL | |
440 | || strstr (an, "gcc2_compiled") != NULL); | |
441 | bf = (strstr (bn, "gnu_compiled") != NULL | |
442 | || strstr (bn, "gcc2_compiled") != NULL); | |
443 | ||
444 | if (af && ! bf) | |
445 | return 1; | |
446 | if (! af && bf) | |
447 | return -1; | |
448 | ||
449 | /* We use a heuristic for the file name, to try to sort it after | |
450 | more useful symbols. It may not work on non Unix systems, but it | |
451 | doesn't really matter; the only difference is precisely which | |
452 | symbol names get printed. */ | |
453 | ||
454 | #define file_symbol(s, sn, snl) \ | |
455 | (((s)->flags & BSF_FILE) != 0 \ | |
456 | || ((sn)[(snl) - 2] == '.' \ | |
457 | && ((sn)[(snl) - 1] == 'o' \ | |
458 | || (sn)[(snl) - 1] == 'a'))) | |
459 | ||
460 | af = file_symbol (a, an, anl); | |
461 | bf = file_symbol (b, bn, bnl); | |
462 | ||
463 | if (af && ! bf) | |
464 | return 1; | |
465 | if (! af && bf) | |
466 | return -1; | |
467 | ||
b4aabb24 ILT |
468 | /* Try to sort global symbols before local symbols before function |
469 | symbols before debugging symbols. */ | |
e1c14599 ILT |
470 | |
471 | aflags = a->flags; | |
472 | bflags = b->flags; | |
473 | ||
474 | if ((aflags & BSF_DEBUGGING) != (bflags & BSF_DEBUGGING)) | |
475 | { | |
476 | if ((aflags & BSF_DEBUGGING) != 0) | |
477 | return 1; | |
478 | else | |
479 | return -1; | |
480 | } | |
b4aabb24 ILT |
481 | if ((aflags & BSF_FUNCTION) != (bflags & BSF_FUNCTION)) |
482 | { | |
483 | if ((aflags & BSF_FUNCTION) != 0) | |
484 | return -1; | |
485 | else | |
486 | return 1; | |
487 | } | |
e1c14599 ILT |
488 | if ((aflags & BSF_LOCAL) != (bflags & BSF_LOCAL)) |
489 | { | |
490 | if ((aflags & BSF_LOCAL) != 0) | |
491 | return 1; | |
492 | else | |
493 | return -1; | |
494 | } | |
17aa8284 ILT |
495 | if ((aflags & BSF_GLOBAL) != (bflags & BSF_GLOBAL)) |
496 | { | |
497 | if ((aflags & BSF_GLOBAL) != 0) | |
498 | return -1; | |
499 | else | |
500 | return 1; | |
501 | } | |
502 | ||
503 | /* Symbols that start with '.' might be section names, so sort them | |
504 | after symbols that don't start with '.'. */ | |
505 | if (an[0] == '.' && bn[0] != '.') | |
506 | return 1; | |
507 | if (an[0] != '.' && bn[0] == '.') | |
508 | return -1; | |
e1c14599 | 509 | |
17aa8284 ILT |
510 | /* Finally, if we can't distinguish them in any other way, try to |
511 | get consistent results by sorting the symbols by name. */ | |
512 | return strcmp (an, bn); | |
2fa0b342 DHW |
513 | } |
514 | ||
d5464baa ILT |
515 | /* Sort relocs into address order. */ |
516 | ||
517 | static int | |
518 | compare_relocs (ap, bp) | |
519 | const PTR ap; | |
520 | const PTR bp; | |
521 | { | |
522 | const arelent *a = *(const arelent **)ap; | |
523 | const arelent *b = *(const arelent **)bp; | |
524 | ||
525 | if (a->address > b->address) | |
526 | return 1; | |
527 | else if (a->address < b->address) | |
528 | return -1; | |
529 | ||
a65619c8 SC |
530 | /* So that associated relocations tied to the same address show up |
531 | in the correct order, we don't do any further sorting. */ | |
532 | if (a > b) | |
533 | return 1; | |
534 | else if (a < b) | |
535 | return -1; | |
536 | else | |
537 | return 0; | |
d5464baa ILT |
538 | } |
539 | ||
51b8c416 | 540 | /* Print VMA to STREAM. If SKIP_ZEROES is true, omit leading zeroes. */ |
c5ba2759 ILT |
541 | |
542 | static void | |
51b8c416 | 543 | objdump_print_value (vma, info, skip_zeroes) |
c5ba2759 | 544 | bfd_vma vma; |
7fc01fc9 | 545 | struct disassemble_info *info; |
51b8c416 | 546 | boolean skip_zeroes; |
c5ba2759 ILT |
547 | { |
548 | char buf[30]; | |
549 | char *p; | |
550 | ||
551 | sprintf_vma (buf, vma); | |
51b8c416 ILT |
552 | if (! skip_zeroes) |
553 | p = buf; | |
554 | else | |
555 | { | |
556 | for (p = buf; *p == '0'; ++p) | |
557 | ; | |
558 | if (*p == '\0') | |
559 | --p; | |
560 | } | |
7fc01fc9 | 561 | (*info->fprintf_func) (info->stream, "%s", p); |
c5ba2759 ILT |
562 | } |
563 | ||
b4aabb24 ILT |
564 | /* Locate a symbol given a bfd, a section, and a VMA. If REQUIRE_SEC |
565 | is true, then always require the symbol to be in the section. This | |
566 | returns NULL if there is no suitable symbol. If PLACE is not NULL, | |
567 | then *PLACE is set to the index of the symbol in sorted_syms. */ | |
f7b839f7 | 568 | |
b4aabb24 ILT |
569 | static asymbol * |
570 | find_symbol_for_address (abfd, sec, vma, require_sec, place) | |
571 | bfd *abfd; | |
572 | asection *sec; | |
aa0a709a | 573 | bfd_vma vma; |
b4aabb24 ILT |
574 | boolean require_sec; |
575 | long *place; | |
2fa0b342 | 576 | { |
195d1adf KR |
577 | /* @@ Would it speed things up to cache the last two symbols returned, |
578 | and maybe their address ranges? For many processors, only one memory | |
579 | operand can be present at a time, so the 2-entry cache wouldn't be | |
580 | constantly churned by code doing heavy memory accesses. */ | |
2fa0b342 | 581 | |
be1d162b | 582 | /* Indices in `sorted_syms'. */ |
ae5d2ff5 | 583 | long min = 0; |
be1d162b | 584 | long max = sorted_symcount; |
ae5d2ff5 | 585 | long thisplace; |
2fa0b342 | 586 | |
be1d162b | 587 | if (sorted_symcount < 1) |
b4aabb24 | 588 | return NULL; |
f7b839f7 | 589 | |
8f197c94 ILT |
590 | /* Perform a binary search looking for the closest symbol to the |
591 | required value. We are searching the range (min, max]. */ | |
592 | while (min + 1 < max) | |
aa0a709a | 593 | { |
f7b839f7 | 594 | asymbol *sym; |
8f197c94 | 595 | |
f7b839f7 | 596 | thisplace = (max + min) / 2; |
be1d162b | 597 | sym = sorted_syms[thisplace]; |
8f197c94 | 598 | |
13e4db2e | 599 | if (bfd_asymbol_value (sym) > vma) |
f7b839f7 | 600 | max = thisplace; |
13e4db2e | 601 | else if (bfd_asymbol_value (sym) < vma) |
f7b839f7 DM |
602 | min = thisplace; |
603 | else | |
aa0a709a | 604 | { |
8f197c94 ILT |
605 | min = thisplace; |
606 | break; | |
aa0a709a | 607 | } |
f7b839f7 | 608 | } |
fc5d6074 | 609 | |
8f197c94 | 610 | /* The symbol we want is now in min, the low end of the range we |
e1c14599 ILT |
611 | were searching. If there are several symbols with the same |
612 | value, we want the first one. */ | |
8f197c94 | 613 | thisplace = min; |
db552bda ILT |
614 | while (thisplace > 0 |
615 | && (bfd_asymbol_value (sorted_syms[thisplace]) | |
616 | == bfd_asymbol_value (sorted_syms[thisplace - 1]))) | |
617 | --thisplace; | |
8f197c94 | 618 | |
b4aabb24 ILT |
619 | /* If the file is relocateable, and the symbol could be from this |
620 | section, prefer a symbol from this section over symbols from | |
621 | others, even if the other symbol's value might be closer. | |
f7b839f7 | 622 | |
b4aabb24 ILT |
623 | Note that this may be wrong for some symbol references if the |
624 | sections have overlapping memory ranges, but in that case there's | |
625 | no way to tell what's desired without looking at the relocation | |
626 | table. */ | |
627 | ||
628 | if (sorted_syms[thisplace]->section != sec | |
629 | && (require_sec | |
630 | || ((abfd->flags & HAS_RELOC) != 0 | |
631 | && vma >= bfd_get_section_vma (abfd, sec) | |
632 | && vma < (bfd_get_section_vma (abfd, sec) | |
633 | + bfd_section_size (abfd, sec))))) | |
634 | { | |
635 | long i; | |
636 | ||
637 | for (i = thisplace + 1; i < sorted_symcount; i++) | |
638 | { | |
639 | if (bfd_asymbol_value (sorted_syms[i]) | |
640 | != bfd_asymbol_value (sorted_syms[thisplace])) | |
641 | break; | |
642 | } | |
643 | --i; | |
644 | for (; i >= 0; i--) | |
645 | { | |
646 | if (sorted_syms[i]->section == sec | |
647 | && (i == 0 | |
648 | || sorted_syms[i - 1]->section != sec | |
649 | || (bfd_asymbol_value (sorted_syms[i]) | |
650 | != bfd_asymbol_value (sorted_syms[i - 1])))) | |
651 | { | |
652 | thisplace = i; | |
28d1b01e | 653 | break; |
b4aabb24 ILT |
654 | } |
655 | } | |
656 | ||
657 | if (sorted_syms[thisplace]->section != sec) | |
658 | { | |
659 | /* We didn't find a good symbol with a smaller value. | |
660 | Look for one with a larger value. */ | |
661 | for (i = thisplace + 1; i < sorted_symcount; i++) | |
662 | { | |
663 | if (sorted_syms[i]->section == sec) | |
664 | { | |
665 | thisplace = i; | |
666 | break; | |
667 | } | |
668 | } | |
669 | } | |
670 | ||
671 | if (sorted_syms[thisplace]->section != sec | |
672 | && (require_sec | |
673 | || ((abfd->flags & HAS_RELOC) != 0 | |
674 | && vma >= bfd_get_section_vma (abfd, sec) | |
675 | && vma < (bfd_get_section_vma (abfd, sec) | |
676 | + bfd_section_size (abfd, sec))))) | |
677 | { | |
678 | /* There is no suitable symbol. */ | |
679 | return NULL; | |
680 | } | |
681 | } | |
682 | ||
683 | if (place != NULL) | |
684 | *place = thisplace; | |
685 | ||
686 | return sorted_syms[thisplace]; | |
687 | } | |
688 | ||
689 | /* Print an address to INFO symbolically. */ | |
690 | ||
691 | static void | |
51b8c416 | 692 | objdump_print_addr_with_sym (abfd, sec, sym, vma, info, skip_zeroes) |
b4aabb24 ILT |
693 | bfd *abfd; |
694 | asection *sec; | |
695 | asymbol *sym; | |
696 | bfd_vma vma; | |
697 | struct disassemble_info *info; | |
51b8c416 | 698 | boolean skip_zeroes; |
b4aabb24 | 699 | { |
51b8c416 | 700 | objdump_print_value (vma, info, skip_zeroes); |
b4aabb24 ILT |
701 | |
702 | if (sym == NULL) | |
f7b839f7 | 703 | { |
b4aabb24 ILT |
704 | bfd_vma secaddr; |
705 | ||
706 | (*info->fprintf_func) (info->stream, " <%s", | |
707 | bfd_get_section_name (abfd, sec)); | |
708 | secaddr = bfd_get_section_vma (abfd, sec); | |
709 | if (vma < secaddr) | |
710 | { | |
711 | (*info->fprintf_func) (info->stream, "-"); | |
51b8c416 | 712 | objdump_print_value (secaddr - vma, info, true); |
b4aabb24 ILT |
713 | } |
714 | else if (vma > secaddr) | |
715 | { | |
716 | (*info->fprintf_func) (info->stream, "+"); | |
51b8c416 | 717 | objdump_print_value (vma - secaddr, info, true); |
b4aabb24 ILT |
718 | } |
719 | (*info->fprintf_func) (info->stream, ">"); | |
f7b839f7 | 720 | } |
b4aabb24 | 721 | else |
f7b839f7 | 722 | { |
b4aabb24 ILT |
723 | (*info->fprintf_func) (info->stream, " <%s", sym->name); |
724 | if (bfd_asymbol_value (sym) > vma) | |
725 | { | |
726 | (*info->fprintf_func) (info->stream, "-"); | |
51b8c416 | 727 | objdump_print_value (bfd_asymbol_value (sym) - vma, info, true); |
b4aabb24 ILT |
728 | } |
729 | else if (vma > bfd_asymbol_value (sym)) | |
730 | { | |
731 | (*info->fprintf_func) (info->stream, "+"); | |
51b8c416 | 732 | objdump_print_value (vma - bfd_asymbol_value (sym), info, true); |
b4aabb24 ILT |
733 | } |
734 | (*info->fprintf_func) (info->stream, ">"); | |
2fa0b342 | 735 | } |
b4aabb24 ILT |
736 | } |
737 | ||
51b8c416 ILT |
738 | /* Print VMA to INFO, symbolically if possible. If SKIP_ZEROES is |
739 | true, don't output leading zeroes. */ | |
b4aabb24 ILT |
740 | |
741 | static void | |
51b8c416 | 742 | objdump_print_addr (vma, info, skip_zeroes) |
b4aabb24 ILT |
743 | bfd_vma vma; |
744 | struct disassemble_info *info; | |
51b8c416 | 745 | boolean skip_zeroes; |
b4aabb24 ILT |
746 | { |
747 | struct objdump_disasm_info *aux; | |
748 | asymbol *sym; | |
749 | ||
750 | if (sorted_symcount < 1) | |
751 | { | |
51b8c416 | 752 | objdump_print_value (vma, info, skip_zeroes); |
b4aabb24 ILT |
753 | return; |
754 | } | |
755 | ||
756 | aux = (struct objdump_disasm_info *) info->application_data; | |
757 | sym = find_symbol_for_address (aux->abfd, aux->sec, vma, aux->require_sec, | |
758 | (long *) NULL); | |
51b8c416 ILT |
759 | objdump_print_addr_with_sym (aux->abfd, aux->sec, sym, vma, info, |
760 | skip_zeroes); | |
761 | } | |
762 | ||
763 | /* Print VMA to INFO. This function is passed to the disassembler | |
764 | routine. */ | |
765 | ||
766 | static void | |
767 | objdump_print_address (vma, info) | |
768 | bfd_vma vma; | |
769 | struct disassemble_info *info; | |
770 | { | |
771 | objdump_print_addr (vma, info, ! prefix_addresses); | |
2fa0b342 DHW |
772 | } |
773 | ||
be1d162b ILT |
774 | /* Hold the last function name and the last line number we displayed |
775 | in a disassembly. */ | |
776 | ||
777 | static char *prev_functionname; | |
778 | static unsigned int prev_line; | |
779 | ||
780 | /* We keep a list of all files that we have seen when doing a | |
781 | dissassembly with source, so that we know how much of the file to | |
782 | display. This can be important for inlined functions. */ | |
783 | ||
784 | struct print_file_list | |
785 | { | |
786 | struct print_file_list *next; | |
787 | char *filename; | |
788 | unsigned int line; | |
789 | FILE *f; | |
790 | }; | |
791 | ||
792 | static struct print_file_list *print_files; | |
793 | ||
794 | /* The number of preceding context lines to show when we start | |
795 | displaying a file for the first time. */ | |
796 | ||
797 | #define SHOW_PRECEDING_CONTEXT_LINES (5) | |
798 | ||
799 | /* Skip ahead to a given line in a file, optionally printing each | |
800 | line. */ | |
801 | ||
802 | static void | |
803 | skip_to_line PARAMS ((struct print_file_list *, unsigned int, boolean)); | |
804 | ||
805 | static void | |
806 | skip_to_line (p, line, show) | |
807 | struct print_file_list *p; | |
808 | unsigned int line; | |
809 | boolean show; | |
810 | { | |
811 | while (p->line < line) | |
812 | { | |
813 | char buf[100]; | |
814 | ||
815 | if (fgets (buf, sizeof buf, p->f) == NULL) | |
816 | { | |
817 | fclose (p->f); | |
818 | p->f = NULL; | |
819 | break; | |
820 | } | |
821 | ||
822 | if (show) | |
823 | printf ("%s", buf); | |
824 | ||
825 | if (strchr (buf, '\n') != NULL) | |
826 | ++p->line; | |
827 | } | |
828 | } | |
829 | ||
830 | /* Show the line number, or the source line, in a dissassembly | |
831 | listing. */ | |
832 | ||
833 | static void | |
834 | show_line (abfd, section, off) | |
aa0a709a | 835 | bfd *abfd; |
be1d162b ILT |
836 | asection *section; |
837 | bfd_vma off; | |
2fa0b342 | 838 | { |
be1d162b ILT |
839 | CONST char *filename; |
840 | CONST char *functionname; | |
841 | unsigned int line; | |
2e8adbd7 | 842 | |
be1d162b ILT |
843 | if (! with_line_numbers && ! with_source_code) |
844 | return; | |
d20f480f | 845 | |
be1d162b ILT |
846 | if (! bfd_find_nearest_line (abfd, section, syms, off, &filename, |
847 | &functionname, &line)) | |
848 | return; | |
aa0a709a | 849 | |
be1d162b ILT |
850 | if (filename != NULL && *filename == '\0') |
851 | filename = NULL; | |
852 | if (functionname != NULL && *functionname == '\0') | |
853 | functionname = NULL; | |
aa0a709a | 854 | |
be1d162b | 855 | if (with_line_numbers) |
d5464baa | 856 | { |
be1d162b ILT |
857 | if (functionname != NULL |
858 | && (prev_functionname == NULL | |
859 | || strcmp (functionname, prev_functionname) != 0)) | |
860 | printf ("%s():\n", functionname); | |
861 | if (line > 0 && line != prev_line) | |
862 | printf ("%s:%u\n", filename == NULL ? "???" : filename, line); | |
863 | } | |
864 | ||
865 | if (with_source_code | |
866 | && filename != NULL | |
867 | && line > 0) | |
868 | { | |
869 | struct print_file_list **pp, *p; | |
870 | ||
871 | for (pp = &print_files; *pp != NULL; pp = &(*pp)->next) | |
872 | if (strcmp ((*pp)->filename, filename) == 0) | |
873 | break; | |
874 | p = *pp; | |
875 | ||
876 | if (p != NULL) | |
d5464baa | 877 | { |
be1d162b ILT |
878 | if (p != print_files) |
879 | { | |
880 | int l; | |
881 | ||
882 | /* We have reencountered a file name which we saw | |
883 | earlier. This implies that either we are dumping out | |
884 | code from an included file, or the same file was | |
885 | linked in more than once. There are two common cases | |
886 | of an included file: inline functions in a header | |
887 | file, and a bison or flex skeleton file. In the | |
888 | former case we want to just start printing (but we | |
889 | back up a few lines to give context); in the latter | |
890 | case we want to continue from where we left off. I | |
891 | can't think of a good way to distinguish the cases, | |
892 | so I used a heuristic based on the file name. */ | |
893 | if (strcmp (p->filename + strlen (p->filename) - 2, ".h") != 0) | |
894 | l = p->line; | |
895 | else | |
896 | { | |
897 | l = line - SHOW_PRECEDING_CONTEXT_LINES; | |
898 | if (l <= 0) | |
899 | l = 1; | |
900 | } | |
d5464baa | 901 | |
be1d162b ILT |
902 | if (p->f == NULL) |
903 | { | |
904 | p->f = fopen (p->filename, "r"); | |
905 | p->line = 0; | |
906 | } | |
907 | if (p->f != NULL) | |
908 | skip_to_line (p, l, false); | |
d5464baa | 909 | |
be1d162b ILT |
910 | if (print_files->f != NULL) |
911 | { | |
912 | fclose (print_files->f); | |
913 | print_files->f = NULL; | |
914 | } | |
915 | } | |
d5464baa | 916 | |
be1d162b ILT |
917 | if (p->f != NULL) |
918 | { | |
919 | skip_to_line (p, line, true); | |
920 | *pp = p->next; | |
921 | p->next = print_files; | |
922 | print_files = p; | |
923 | } | |
924 | } | |
925 | else | |
926 | { | |
927 | FILE *f; | |
d5464baa | 928 | |
be1d162b ILT |
929 | f = fopen (filename, "r"); |
930 | if (f != NULL) | |
d5464baa | 931 | { |
be1d162b | 932 | int l; |
d5464baa | 933 | |
be1d162b ILT |
934 | p = ((struct print_file_list *) |
935 | xmalloc (sizeof (struct print_file_list))); | |
936 | p->filename = xmalloc (strlen (filename) + 1); | |
937 | strcpy (p->filename, filename); | |
938 | p->line = 0; | |
939 | p->f = f; | |
940 | ||
941 | if (print_files != NULL && print_files->f != NULL) | |
942 | { | |
943 | fclose (print_files->f); | |
944 | print_files->f = NULL; | |
945 | } | |
946 | p->next = print_files; | |
947 | print_files = p; | |
948 | ||
949 | l = line - SHOW_PRECEDING_CONTEXT_LINES; | |
950 | if (l <= 0) | |
951 | l = 1; | |
952 | skip_to_line (p, l, false); | |
953 | if (p->f != NULL) | |
954 | skip_to_line (p, line, true); | |
d5464baa ILT |
955 | } |
956 | } | |
957 | } | |
958 | ||
be1d162b ILT |
959 | if (functionname != NULL |
960 | && (prev_functionname == NULL | |
961 | || strcmp (functionname, prev_functionname) != 0)) | |
aa0a709a | 962 | { |
be1d162b ILT |
963 | if (prev_functionname != NULL) |
964 | free (prev_functionname); | |
965 | prev_functionname = xmalloc (strlen (functionname) + 1); | |
966 | strcpy (prev_functionname, functionname); | |
aa0a709a | 967 | } |
2fa0b342 | 968 | |
be1d162b ILT |
969 | if (line > 0 && line != prev_line) |
970 | prev_line = line; | |
971 | } | |
972 | ||
7fc01fc9 ILT |
973 | /* Pseudo FILE object for strings. */ |
974 | typedef struct { | |
975 | char *buffer; | |
976 | char *current; | |
977 | } SFILE; | |
978 | ||
979 | /* sprintf to a "stream" */ | |
980 | ||
981 | #ifdef ANSI_PROTOTYPES | |
982 | static int | |
983 | objdump_sprintf (SFILE *f, const char *format, ...) | |
984 | { | |
985 | int n; | |
986 | va_list args; | |
987 | ||
988 | va_start (args, format); | |
989 | vsprintf (f->current, format, args); | |
990 | f->current += n = strlen (f->current); | |
991 | va_end (args); | |
992 | return n; | |
993 | } | |
994 | #else | |
995 | static int | |
996 | objdump_sprintf (va_alist) | |
997 | va_dcl | |
998 | { | |
999 | int n; | |
1000 | SFILE *f; | |
1001 | const char *format; | |
1002 | va_list args; | |
1003 | ||
1004 | va_start (args); | |
1005 | f = va_arg (args, SFILE *); | |
1006 | format = va_arg (args, const char *); | |
1007 | vsprintf (f->current, format, args); | |
1008 | f->current += n = strlen (f->current); | |
1009 | va_end (args); | |
1010 | return n; | |
1011 | } | |
1012 | #endif | |
1013 | ||
b4aabb24 ILT |
1014 | /* The number of zeroes we want to see before we start skipping them. |
1015 | The number is arbitrarily chosen. */ | |
1016 | ||
1017 | #define SKIP_ZEROES (8) | |
1018 | ||
1019 | /* The number of zeroes to skip at the end of a section. If the | |
1020 | number of zeroes at the end is between SKIP_ZEROES_AT_END and | |
1021 | SKIP_ZEROES, they will be disassembled. If there are fewer than | |
1022 | SKIP_ZEROES_AT_END, they will be skipped. This is a heuristic | |
1023 | attempt to avoid disassembling zeroes inserted by section | |
1024 | alignment. */ | |
1025 | ||
1026 | #define SKIP_ZEROES_AT_END (3) | |
1027 | ||
1028 | /* Disassemble some data in memory between given values. */ | |
1029 | ||
1030 | static void | |
1031 | disassemble_bytes (info, disassemble_fn, insns, data, start, stop, relppp, | |
1032 | relppend) | |
1033 | struct disassemble_info *info; | |
1034 | disassembler_ftype disassemble_fn; | |
1035 | boolean insns; | |
1036 | bfd_byte *data; | |
1037 | long start; | |
1038 | long stop; | |
1039 | arelent ***relppp; | |
1040 | arelent **relppend; | |
1041 | { | |
1042 | struct objdump_disasm_info *aux; | |
1043 | asection *section; | |
1044 | int bytes_per_line; | |
1045 | boolean done_dot; | |
51b8c416 | 1046 | int skip_addr_chars; |
b4aabb24 ILT |
1047 | long i; |
1048 | ||
1049 | aux = (struct objdump_disasm_info *) info->application_data; | |
1050 | section = aux->sec; | |
1051 | ||
1052 | if (insns) | |
1053 | bytes_per_line = 4; | |
1054 | else | |
1055 | bytes_per_line = 16; | |
1056 | ||
51b8c416 ILT |
1057 | /* Figure out how many characters to skip at the start of an |
1058 | address, to make the disassembly look nicer. We discard leading | |
1059 | zeroes in chunks of 4, ensuring that there is always a leading | |
1060 | zero remaining. */ | |
1061 | skip_addr_chars = 0; | |
1062 | if (! prefix_addresses) | |
1063 | { | |
1064 | char buf[30]; | |
1065 | char *s; | |
1066 | ||
1067 | sprintf_vma (buf, | |
1068 | section->vma + bfd_section_size (section->owner, section)); | |
1069 | s = buf; | |
1070 | while (s[0] == '0' && s[1] == '0' && s[2] == '0' && s[3] == '0' | |
1071 | && s[4] == '0') | |
1072 | { | |
1073 | skip_addr_chars += 4; | |
1074 | s += 4; | |
1075 | } | |
1076 | } | |
1077 | ||
b4aabb24 ILT |
1078 | info->insn_info_valid = 0; |
1079 | ||
1080 | done_dot = false; | |
1081 | i = start; | |
1082 | while (i < stop) | |
1083 | { | |
1084 | long z; | |
1085 | int bytes; | |
1086 | boolean need_nl = false; | |
1087 | ||
1088 | /* If we see more than SKIP_ZEROES bytes of zeroes, we just | |
1089 | print `...'. */ | |
1090 | for (z = i; z < stop; z++) | |
1091 | if (data[z] != 0) | |
1092 | break; | |
51b8c416 ILT |
1093 | if (! disassemble_zeroes |
1094 | && (info->insn_info_valid == 0 | |
1095 | || info->branch_delay_insns == 0) | |
b4aabb24 ILT |
1096 | && (z - i >= SKIP_ZEROES |
1097 | || (z == stop && z - i < SKIP_ZEROES_AT_END))) | |
1098 | { | |
1099 | printf ("\t...\n"); | |
1100 | ||
1101 | /* If there are more nonzero bytes to follow, we only skip | |
1102 | zeroes in multiples of 4, to try to avoid running over | |
1103 | the start of an instruction which happens to start with | |
1104 | zero. */ | |
1105 | if (z != stop) | |
1106 | z = i + ((z - i) &~ 3); | |
1107 | ||
1108 | bytes = z - i; | |
1109 | } | |
1110 | else | |
1111 | { | |
1112 | char buf[1000]; | |
1113 | SFILE sfile; | |
33a795dd | 1114 | int bpc, pb = 0; |
b4aabb24 ILT |
1115 | |
1116 | done_dot = false; | |
1117 | ||
1118 | if (with_line_numbers || with_source_code) | |
1119 | show_line (aux->abfd, section, i); | |
1120 | ||
1121 | if (! prefix_addresses) | |
51b8c416 ILT |
1122 | { |
1123 | char *s; | |
1124 | ||
1125 | sprintf_vma (buf, section->vma + i); | |
1126 | for (s = buf + skip_addr_chars; *s == '0'; s++) | |
1127 | *s = ' '; | |
1128 | if (*s == '\0') | |
1129 | *--s = '0'; | |
1130 | printf ("%s:\t", buf + skip_addr_chars); | |
1131 | } | |
b4aabb24 ILT |
1132 | else |
1133 | { | |
1134 | aux->require_sec = true; | |
1135 | objdump_print_address (section->vma + i, info); | |
1136 | aux->require_sec = false; | |
1137 | putchar (' '); | |
1138 | } | |
1139 | ||
1140 | if (insns) | |
1141 | { | |
1142 | sfile.buffer = sfile.current = buf; | |
1143 | info->fprintf_func = (fprintf_ftype) objdump_sprintf; | |
1144 | info->stream = (FILE *) &sfile; | |
1145 | info->bytes_per_line = 0; | |
33a795dd | 1146 | info->bytes_per_chunk = 0; |
b4aabb24 ILT |
1147 | bytes = (*disassemble_fn) (section->vma + i, info); |
1148 | info->fprintf_func = (fprintf_ftype) fprintf; | |
1149 | info->stream = stdout; | |
1150 | if (info->bytes_per_line != 0) | |
1151 | bytes_per_line = info->bytes_per_line; | |
1152 | if (bytes < 0) | |
1153 | break; | |
1154 | } | |
1155 | else | |
1156 | { | |
1157 | long j; | |
1158 | ||
1159 | bytes = bytes_per_line; | |
1160 | if (i + bytes > stop) | |
1161 | bytes = stop - i; | |
1162 | ||
1163 | for (j = i; j < i + bytes; ++j) | |
1164 | { | |
1165 | if (isprint (data[j])) | |
1166 | buf[j - i] = data[j]; | |
1167 | else | |
1168 | buf[j - i] = '.'; | |
1169 | } | |
1170 | buf[j - i] = '\0'; | |
1171 | } | |
1172 | ||
5c59269f ILT |
1173 | if (prefix_addresses |
1174 | ? show_raw_insn > 0 | |
1175 | : show_raw_insn >= 0) | |
b4aabb24 ILT |
1176 | { |
1177 | long j; | |
1178 | ||
1179 | /* If ! prefix_addresses and ! wide_output, we print | |
33a795dd | 1180 | bytes_per_line bytes per line. */ |
b4aabb24 ILT |
1181 | pb = bytes; |
1182 | if (pb > bytes_per_line && ! prefix_addresses && ! wide_output) | |
1183 | pb = bytes_per_line; | |
1184 | ||
33a795dd MH |
1185 | if (info->bytes_per_chunk) |
1186 | bpc = info->bytes_per_chunk; | |
1187 | else | |
1188 | bpc = 1; | |
1189 | ||
1190 | for (j = i; j < i + pb; j += bpc) | |
b4aabb24 | 1191 | { |
33a795dd MH |
1192 | int k; |
1193 | if (bpc > 1 && info->display_endian == BFD_ENDIAN_LITTLE) | |
1194 | { | |
0988ea9f ILT |
1195 | for (k = bpc - 1; k >= 0; k--) |
1196 | printf ("%02x", (unsigned) data[j + k]); | |
33a795dd MH |
1197 | putchar (' '); |
1198 | } | |
1199 | else | |
1200 | { | |
0988ea9f ILT |
1201 | for (k = 0; k < bpc; k++) |
1202 | printf ("%02x", (unsigned) data[j + k]); | |
33a795dd MH |
1203 | putchar (' '); |
1204 | } | |
b4aabb24 ILT |
1205 | } |
1206 | ||
0988ea9f ILT |
1207 | for (; pb < bytes_per_line; pb += bpc) |
1208 | { | |
1209 | int k; | |
1210 | ||
1211 | for (k = 0; k < bpc; k++) | |
1212 | printf (" "); | |
1213 | putchar (' '); | |
1214 | } | |
b4aabb24 ILT |
1215 | |
1216 | /* Separate raw data from instruction by extra space. */ | |
1217 | if (insns) | |
1218 | putchar ('\t'); | |
1219 | else | |
1220 | printf (" "); | |
1221 | } | |
1222 | ||
1223 | printf ("%s", buf); | |
1224 | ||
5c59269f ILT |
1225 | if (prefix_addresses |
1226 | ? show_raw_insn > 0 | |
1227 | : show_raw_insn >= 0) | |
b4aabb24 ILT |
1228 | { |
1229 | while (pb < bytes) | |
1230 | { | |
1231 | long j; | |
0948199a | 1232 | char *s; |
b4aabb24 ILT |
1233 | |
1234 | putchar ('\n'); | |
1235 | j = i + pb; | |
0948199a ILT |
1236 | |
1237 | sprintf_vma (buf, section->vma + j); | |
1238 | for (s = buf + skip_addr_chars; *s == '0'; s++) | |
1239 | *s = ' '; | |
1240 | if (*s == '\0') | |
1241 | *--s = '0'; | |
1242 | printf ("%s:\t", buf + skip_addr_chars); | |
1243 | ||
b4aabb24 ILT |
1244 | pb += bytes_per_line; |
1245 | if (pb > bytes) | |
1246 | pb = bytes; | |
0988ea9f | 1247 | for (; j < i + pb; j += bpc) |
b4aabb24 | 1248 | { |
0988ea9f ILT |
1249 | int k; |
1250 | ||
1251 | if (bpc > 1 && info->display_endian == BFD_ENDIAN_LITTLE) | |
1252 | { | |
1253 | for (k = bpc - 1; k >= 0; k--) | |
1254 | printf ("%02x", (unsigned) data[j + k]); | |
1255 | putchar (' '); | |
1256 | } | |
1257 | else | |
1258 | { | |
1259 | for (k = 0; k < bpc; k++) | |
1260 | printf ("%02x", (unsigned) data[j + k]); | |
1261 | putchar (' '); | |
1262 | } | |
b4aabb24 ILT |
1263 | } |
1264 | } | |
1265 | } | |
1266 | ||
1267 | if (!wide_output) | |
1268 | putchar ('\n'); | |
1269 | else | |
1270 | need_nl = true; | |
1271 | } | |
1272 | ||
1273 | if (dump_reloc_info | |
1274 | && (section->flags & SEC_RELOC) != 0) | |
1275 | { | |
1276 | while ((*relppp) < relppend | |
1277 | && ((**relppp)->address >= (bfd_vma) i | |
1278 | && (**relppp)->address < (bfd_vma) i + bytes)) | |
1279 | { | |
1280 | arelent *q; | |
1281 | const char *sym_name; | |
1282 | ||
1283 | q = **relppp; | |
1284 | ||
1285 | if (wide_output) | |
1286 | putchar ('\t'); | |
1287 | else | |
1288 | printf ("\t\t\t"); | |
1289 | ||
51b8c416 | 1290 | objdump_print_value (section->vma + q->address, info, true); |
b4aabb24 ILT |
1291 | |
1292 | printf (": %s\t", q->howto->name); | |
1293 | ||
1294 | if (q->sym_ptr_ptr != NULL | |
1295 | && *q->sym_ptr_ptr != NULL) | |
1296 | { | |
1297 | sym_name = bfd_asymbol_name (*q->sym_ptr_ptr); | |
1298 | if (sym_name == NULL || *sym_name == '\0') | |
1299 | { | |
1300 | asection *sym_sec; | |
1301 | ||
1302 | sym_sec = bfd_get_section (*q->sym_ptr_ptr); | |
1303 | sym_name = bfd_get_section_name (abfd, sym_sec); | |
1304 | if (sym_name == NULL || *sym_name == '\0') | |
1305 | sym_name = "*unknown*"; | |
1306 | } | |
1307 | } | |
1308 | else | |
1309 | sym_name = "*unknown*"; | |
1310 | ||
1311 | printf ("%s", sym_name); | |
1312 | ||
1313 | if (q->addend) | |
1314 | { | |
1315 | printf ("+0x"); | |
51b8c416 | 1316 | objdump_print_value (q->addend, info, true); |
b4aabb24 ILT |
1317 | } |
1318 | ||
1319 | printf ("\n"); | |
1320 | need_nl = false; | |
1321 | ++(*relppp); | |
1322 | } | |
1323 | } | |
1324 | ||
1325 | if (need_nl) | |
1326 | printf ("\n"); | |
1327 | ||
1328 | i += bytes; | |
1329 | } | |
1330 | } | |
1331 | ||
1332 | /* Disassemble the contents of an object file. */ | |
1333 | ||
18f39dfa | 1334 | static void |
be1d162b ILT |
1335 | disassemble_data (abfd) |
1336 | bfd *abfd; | |
1337 | { | |
1338 | long i; | |
b4aabb24 | 1339 | disassembler_ftype disassemble_fn; |
be1d162b ILT |
1340 | struct disassemble_info disasm_info; |
1341 | struct objdump_disasm_info aux; | |
1342 | asection *section; | |
be1d162b ILT |
1343 | |
1344 | print_files = NULL; | |
1345 | prev_functionname = NULL; | |
1346 | prev_line = -1; | |
1347 | ||
1348 | /* We make a copy of syms to sort. We don't want to sort syms | |
1349 | because that will screw up the relocs. */ | |
1350 | sorted_syms = (asymbol **) xmalloc (symcount * sizeof (asymbol *)); | |
1351 | memcpy (sorted_syms, syms, symcount * sizeof (asymbol *)); | |
1352 | ||
1353 | sorted_symcount = remove_useless_symbols (sorted_syms, symcount); | |
2fa0b342 DHW |
1354 | |
1355 | /* Sort the symbols into section and symbol order */ | |
be1d162b | 1356 | qsort (sorted_syms, sorted_symcount, sizeof (asymbol *), compare_symbols); |
2fa0b342 | 1357 | |
4e050e3b | 1358 | INIT_DISASSEMBLE_INFO(disasm_info, stdout, fprintf); |
cef35d48 DM |
1359 | disasm_info.application_data = (PTR) &aux; |
1360 | aux.abfd = abfd; | |
8275482c | 1361 | aux.require_sec = false; |
cef35d48 DM |
1362 | disasm_info.print_address_func = objdump_print_address; |
1363 | ||
aa0a709a SC |
1364 | if (machine != (char *) NULL) |
1365 | { | |
db552bda | 1366 | const bfd_arch_info_type *info = bfd_scan_arch (machine); |
cef35d48 | 1367 | if (info == NULL) |
aa0a709a SC |
1368 | { |
1369 | fprintf (stderr, "%s: Can't use supplied machine %s\n", | |
1370 | program_name, | |
1371 | machine); | |
1372 | exit (1); | |
1373 | } | |
1374 | abfd->arch_info = info; | |
2fa0b342 | 1375 | } |
e779a58c | 1376 | |
18f39dfa SG |
1377 | if (endian != BFD_ENDIAN_UNKNOWN) |
1378 | { | |
1379 | struct bfd_target *xvec; | |
1380 | ||
1381 | xvec = (struct bfd_target *) xmalloc (sizeof (struct bfd_target)); | |
1382 | memcpy (xvec, abfd->xvec, sizeof (struct bfd_target)); | |
1383 | xvec->byteorder = endian; | |
1384 | abfd->xvec = xvec; | |
1385 | } | |
1386 | ||
db552bda ILT |
1387 | disassemble_fn = disassembler (abfd); |
1388 | if (!disassemble_fn) | |
aa0a709a | 1389 | { |
db552bda ILT |
1390 | fprintf (stderr, "%s: Can't disassemble for architecture %s\n", |
1391 | program_name, | |
1392 | bfd_printable_arch_mach (bfd_get_arch (abfd), 0)); | |
1393 | exit (1); | |
aa0a709a | 1394 | } |
2fa0b342 | 1395 | |
7f924d55 | 1396 | disasm_info.flavour = bfd_get_flavour (abfd); |
458bbd1f DE |
1397 | disasm_info.arch = bfd_get_arch (abfd); |
1398 | disasm_info.mach = bfd_get_mach (abfd); | |
1399 | if (bfd_big_endian (abfd)) | |
1400 | disasm_info.endian = BFD_ENDIAN_BIG; | |
38aa863c | 1401 | else if (bfd_little_endian (abfd)) |
458bbd1f | 1402 | disasm_info.endian = BFD_ENDIAN_LITTLE; |
38aa863c DE |
1403 | else |
1404 | /* ??? Aborting here seems too drastic. We could default to big or little | |
1405 | instead. */ | |
1406 | disasm_info.endian = BFD_ENDIAN_UNKNOWN; | |
458bbd1f | 1407 | |
2fa0b342 | 1408 | for (section = abfd->sections; |
aa0a709a SC |
1409 | section != (asection *) NULL; |
1410 | section = section->next) | |
65cceb78 | 1411 | { |
cef35d48 DM |
1412 | bfd_byte *data = NULL; |
1413 | bfd_size_type datasize = 0; | |
be1d162b | 1414 | arelent **relbuf = NULL; |
d5464baa ILT |
1415 | arelent **relpp = NULL; |
1416 | arelent **relppend = NULL; | |
aa21a2a9 | 1417 | long stop; |
2fa0b342 | 1418 | |
d5464baa ILT |
1419 | if ((section->flags & SEC_LOAD) == 0 |
1420 | || (! disassemble_all | |
1421 | && only == NULL | |
1422 | && (section->flags & SEC_CODE) == 0)) | |
cef35d48 DM |
1423 | continue; |
1424 | if (only != (char *) NULL && strcmp (only, section->name) != 0) | |
1425 | continue; | |
2fa0b342 | 1426 | |
d5464baa ILT |
1427 | if (dump_reloc_info |
1428 | && (section->flags & SEC_RELOC) != 0) | |
1429 | { | |
be1d162b ILT |
1430 | long relsize; |
1431 | ||
1432 | relsize = bfd_get_reloc_upper_bound (abfd, section); | |
1433 | if (relsize < 0) | |
1434 | bfd_fatal (bfd_get_filename (abfd)); | |
1435 | ||
1436 | if (relsize > 0) | |
1437 | { | |
1438 | long relcount; | |
1439 | ||
1440 | relbuf = (arelent **) xmalloc (relsize); | |
1441 | relcount = bfd_canonicalize_reloc (abfd, section, relbuf, syms); | |
1442 | if (relcount < 0) | |
1443 | bfd_fatal (bfd_get_filename (abfd)); | |
1444 | ||
1445 | /* Sort the relocs by address. */ | |
1446 | qsort (relbuf, relcount, sizeof (arelent *), compare_relocs); | |
1447 | ||
1448 | relpp = relbuf; | |
1449 | relppend = relpp + relcount; | |
1450 | } | |
d5464baa ILT |
1451 | } |
1452 | ||
cef35d48 | 1453 | printf ("Disassembly of section %s:\n", section->name); |
2fa0b342 | 1454 | |
cef35d48 DM |
1455 | datasize = bfd_get_section_size_before_reloc (section); |
1456 | if (datasize == 0) | |
1457 | continue; | |
2fa0b342 | 1458 | |
cef35d48 | 1459 | data = (bfd_byte *) xmalloc ((size_t) datasize); |
2fa0b342 | 1460 | |
cef35d48 | 1461 | bfd_get_section_contents (abfd, section, data, 0, datasize); |
2fa0b342 | 1462 | |
cef35d48 DM |
1463 | aux.sec = section; |
1464 | disasm_info.buffer = data; | |
1465 | disasm_info.buffer_vma = section->vma; | |
1466 | disasm_info.buffer_length = datasize; | |
aa21a2a9 ILT |
1467 | if (start_address == (bfd_vma) -1 |
1468 | || start_address < disasm_info.buffer_vma) | |
1469 | i = 0; | |
1470 | else | |
1471 | i = start_address - disasm_info.buffer_vma; | |
1472 | if (stop_address == (bfd_vma) -1) | |
1473 | stop = datasize; | |
1474 | else | |
1475 | { | |
1476 | if (stop_address < disasm_info.buffer_vma) | |
1477 | stop = 0; | |
1478 | else | |
1479 | stop = stop_address - disasm_info.buffer_vma; | |
1480 | if (stop > disasm_info.buffer_length) | |
1481 | stop = disasm_info.buffer_length; | |
1482 | } | |
b4aabb24 ILT |
1483 | |
1484 | if (prefix_addresses) | |
1485 | disassemble_bytes (&disasm_info, disassemble_fn, true, data, i, stop, | |
1486 | &relpp, relppend); | |
1487 | else | |
cef35d48 | 1488 | { |
b4aabb24 ILT |
1489 | asymbol *sym; |
1490 | long place; | |
1491 | ||
5c59269f ILT |
1492 | sym = find_symbol_for_address (abfd, section, section->vma + i, |
1493 | true, &place); | |
b4aabb24 ILT |
1494 | ++place; |
1495 | while (i < stop) | |
cef35d48 | 1496 | { |
b4aabb24 ILT |
1497 | asymbol *nextsym; |
1498 | long nextstop; | |
1499 | boolean insns; | |
65cceb78 | 1500 | |
5c59269f ILT |
1501 | if (sym != NULL && bfd_asymbol_value (sym) <= section->vma + i) |
1502 | disasm_info.symbol = sym; | |
1503 | else | |
1504 | disasm_info.symbol = NULL; | |
b4aabb24 ILT |
1505 | |
1506 | printf ("\n"); | |
1507 | objdump_print_addr_with_sym (abfd, section, sym, | |
1508 | section->vma + i, | |
51b8c416 ILT |
1509 | &disasm_info, |
1510 | false); | |
b4aabb24 | 1511 | printf (":\n"); |
db552bda | 1512 | |
5c59269f ILT |
1513 | if (sym != NULL && bfd_asymbol_value (sym) > section->vma + i) |
1514 | nextsym = sym; | |
1515 | else if (sym == NULL) | |
b4aabb24 ILT |
1516 | nextsym = NULL; |
1517 | else | |
7fc01fc9 | 1518 | { |
b4aabb24 ILT |
1519 | while (place < sorted_symcount |
1520 | && (sorted_syms[place]->section != section | |
1521 | || (bfd_asymbol_value (sorted_syms[place]) | |
1522 | <= bfd_asymbol_value (sym)))) | |
1523 | ++place; | |
1524 | if (place >= sorted_symcount) | |
1525 | nextsym = NULL; | |
1526 | else | |
1527 | nextsym = sorted_syms[place]; | |
7fc01fc9 ILT |
1528 | } |
1529 | ||
5c59269f ILT |
1530 | if (sym != NULL && bfd_asymbol_value (sym) > section->vma + i) |
1531 | { | |
1532 | nextstop = bfd_asymbol_value (sym) - section->vma; | |
1533 | if (nextstop > stop) | |
1534 | nextstop = stop; | |
1535 | } | |
1536 | else if (nextsym == NULL) | |
b4aabb24 | 1537 | nextstop = stop; |
13e4db2e | 1538 | else |
d5464baa | 1539 | { |
b4aabb24 ILT |
1540 | nextstop = bfd_asymbol_value (nextsym) - section->vma; |
1541 | if (nextstop > stop) | |
1542 | nextstop = stop; | |
1543 | } | |
d5464baa | 1544 | |
b4aabb24 ILT |
1545 | /* If a symbol is explicitly marked as being an object |
1546 | rather than a function, just dump the bytes without | |
1547 | disassembling them. */ | |
1548 | if (disassemble_all | |
1549 | || sym == NULL | |
5c59269f | 1550 | || bfd_asymbol_value (sym) > section->vma + i |
b4aabb24 ILT |
1551 | || ((sym->flags & BSF_OBJECT) == 0 |
1552 | && (strstr (bfd_asymbol_name (sym), "gnu_compiled") | |
1553 | == NULL) | |
1554 | && (strstr (bfd_asymbol_name (sym), "gcc2_compiled") | |
1555 | == NULL)) | |
1556 | || (sym->flags & BSF_FUNCTION) != 0) | |
1557 | insns = true; | |
1558 | else | |
1559 | insns = false; | |
d5464baa | 1560 | |
b4aabb24 ILT |
1561 | disassemble_bytes (&disasm_info, disassemble_fn, insns, data, i, |
1562 | nextstop, &relpp, relppend); | |
d5464baa | 1563 | |
b4aabb24 ILT |
1564 | i = nextstop; |
1565 | sym = nextsym; | |
d5464baa | 1566 | } |
96d7950b | 1567 | } |
be1d162b | 1568 | |
cef35d48 | 1569 | free (data); |
be1d162b ILT |
1570 | if (relbuf != NULL) |
1571 | free (relbuf); | |
2fa0b342 | 1572 | } |
c5ba2759 | 1573 | free (sorted_syms); |
2fa0b342 | 1574 | } |
73b8f102 | 1575 | \f |
73b8f102 JG |
1576 | |
1577 | /* Define a table of stab values and print-strings. We wish the initializer | |
1578 | could be a direct-mapped table, but instead we build one the first | |
1579 | time we need it. */ | |
1580 | ||
18f39dfa SG |
1581 | static void dump_section_stabs PARAMS ((bfd *abfd, char *stabsect_name, |
1582 | char *strsect_name)); | |
249c6fc0 | 1583 | |
250e36fe | 1584 | /* Dump the stabs sections from an object file that has a section that |
18f39dfa | 1585 | uses Sun stabs encoding. */ |
73b8f102 | 1586 | |
18f39dfa | 1587 | static void |
9b018ecd | 1588 | dump_stabs (abfd) |
73b8f102 JG |
1589 | bfd *abfd; |
1590 | { | |
250e36fe DM |
1591 | dump_section_stabs (abfd, ".stab", ".stabstr"); |
1592 | dump_section_stabs (abfd, ".stab.excl", ".stab.exclstr"); | |
1593 | dump_section_stabs (abfd, ".stab.index", ".stab.indexstr"); | |
1594 | dump_section_stabs (abfd, "$GDB_SYMBOLS$", "$GDB_STRINGS$"); | |
249c6fc0 RS |
1595 | } |
1596 | ||
18f39dfa | 1597 | static bfd_byte *stabs; |
250e36fe DM |
1598 | static bfd_size_type stab_size; |
1599 | ||
1600 | static char *strtab; | |
1601 | static bfd_size_type stabstr_size; | |
1602 | ||
1603 | /* Read ABFD's stabs section STABSECT_NAME into `stabs' | |
1604 | and string table section STRSECT_NAME into `strtab'. | |
1605 | If the section exists and was read, allocate the space and return true. | |
1606 | Otherwise return false. */ | |
1607 | ||
18f39dfa | 1608 | static boolean |
250e36fe | 1609 | read_section_stabs (abfd, stabsect_name, strsect_name) |
249c6fc0 | 1610 | bfd *abfd; |
250e36fe DM |
1611 | char *stabsect_name; |
1612 | char *strsect_name; | |
249c6fc0 | 1613 | { |
9b018ecd | 1614 | asection *stabsect, *stabstrsect; |
9b018ecd | 1615 | |
d5671c53 ILT |
1616 | stabsect = bfd_get_section_by_name (abfd, stabsect_name); |
1617 | if (0 == stabsect) | |
73b8f102 | 1618 | { |
250e36fe DM |
1619 | printf ("No %s section present\n\n", stabsect_name); |
1620 | return false; | |
73b8f102 JG |
1621 | } |
1622 | ||
d5671c53 ILT |
1623 | stabstrsect = bfd_get_section_by_name (abfd, strsect_name); |
1624 | if (0 == stabstrsect) | |
73b8f102 | 1625 | { |
eae82145 | 1626 | fprintf (stderr, "%s: %s has no %s section\n", program_name, |
250e36fe DM |
1627 | bfd_get_filename (abfd), strsect_name); |
1628 | return false; | |
73b8f102 | 1629 | } |
9b018ecd | 1630 | |
d5671c53 ILT |
1631 | stab_size = bfd_section_size (abfd, stabsect); |
1632 | stabstr_size = bfd_section_size (abfd, stabstrsect); | |
73b8f102 | 1633 | |
18f39dfa | 1634 | stabs = (bfd_byte *) xmalloc (stab_size); |
9b018ecd | 1635 | strtab = (char *) xmalloc (stabstr_size); |
73b8f102 | 1636 | |
d5671c53 | 1637 | if (! bfd_get_section_contents (abfd, stabsect, (PTR) stabs, 0, stab_size)) |
9b018ecd | 1638 | { |
d5671c53 ILT |
1639 | fprintf (stderr, "%s: Reading %s section of %s failed: %s\n", |
1640 | program_name, stabsect_name, bfd_get_filename (abfd), | |
1641 | bfd_errmsg (bfd_get_error ())); | |
1642 | free (stabs); | |
1643 | free (strtab); | |
1644 | return false; | |
73b8f102 | 1645 | } |
2fa0b342 | 1646 | |
d5671c53 ILT |
1647 | if (! bfd_get_section_contents (abfd, stabstrsect, (PTR) strtab, 0, |
1648 | stabstr_size)) | |
9b018ecd | 1649 | { |
d5671c53 ILT |
1650 | fprintf (stderr, "%s: Reading %s section of %s failed: %s\n", |
1651 | program_name, strsect_name, bfd_get_filename (abfd), | |
1652 | bfd_errmsg (bfd_get_error ())); | |
1653 | free (stabs); | |
1654 | free (strtab); | |
1655 | return false; | |
73b8f102 | 1656 | } |
d5671c53 | 1657 | |
250e36fe DM |
1658 | return true; |
1659 | } | |
73b8f102 | 1660 | |
18f39dfa SG |
1661 | /* Stabs entries use a 12 byte format: |
1662 | 4 byte string table index | |
1663 | 1 byte stab type | |
1664 | 1 byte stab other field | |
1665 | 2 byte stab desc field | |
1666 | 4 byte stab value | |
1667 | FIXME: This will have to change for a 64 bit object format. */ | |
1668 | ||
1669 | #define STRDXOFF (0) | |
1670 | #define TYPEOFF (4) | |
1671 | #define OTHEROFF (5) | |
1672 | #define DESCOFF (6) | |
1673 | #define VALOFF (8) | |
1674 | #define STABSIZE (12) | |
73b8f102 | 1675 | |
250e36fe DM |
1676 | /* Print ABFD's stabs section STABSECT_NAME (in `stabs'), |
1677 | using string table section STRSECT_NAME (in `strtab'). */ | |
1678 | ||
18f39dfa | 1679 | static void |
250e36fe DM |
1680 | print_section_stabs (abfd, stabsect_name, strsect_name) |
1681 | bfd *abfd; | |
1682 | char *stabsect_name; | |
1683 | char *strsect_name; | |
1684 | { | |
1685 | int i; | |
1686 | unsigned file_string_table_offset = 0, next_file_string_table_offset = 0; | |
18f39dfa SG |
1687 | bfd_byte *stabp, *stabs_end; |
1688 | ||
1689 | stabp = stabs; | |
1690 | stabs_end = stabp + stab_size; | |
73b8f102 | 1691 | |
250e36fe DM |
1692 | printf ("Contents of %s section:\n\n", stabsect_name); |
1693 | printf ("Symnum n_type n_othr n_desc n_value n_strx String\n"); | |
249c6fc0 RS |
1694 | |
1695 | /* Loop through all symbols and print them. | |
1696 | ||
1697 | We start the index at -1 because there is a dummy symbol on | |
250e36fe | 1698 | the front of stabs-in-{coff,elf} sections that supplies sizes. */ |
249c6fc0 | 1699 | |
18f39dfa | 1700 | for (i = -1; stabp < stabs_end; stabp += STABSIZE, i++) |
73b8f102 | 1701 | { |
7fc01fc9 | 1702 | const char *name; |
18f39dfa SG |
1703 | unsigned long strx; |
1704 | unsigned char type, other; | |
1705 | unsigned short desc; | |
1706 | bfd_vma value; | |
1707 | ||
1708 | strx = bfd_h_get_32 (abfd, stabp + STRDXOFF); | |
1709 | type = bfd_h_get_8 (abfd, stabp + TYPEOFF); | |
1710 | other = bfd_h_get_8 (abfd, stabp + OTHEROFF); | |
1711 | desc = bfd_h_get_16 (abfd, stabp + DESCOFF); | |
1712 | value = bfd_h_get_32 (abfd, stabp + VALOFF); | |
7fc01fc9 | 1713 | |
fe2750e1 | 1714 | printf ("\n%-6d ", i); |
250e36fe | 1715 | /* Either print the stab name, or, if unnamed, print its number |
fe2750e1 | 1716 | again (makes consistent formatting for tools like awk). */ |
18f39dfa | 1717 | name = bfd_get_stab_name (type); |
7fc01fc9 ILT |
1718 | if (name != NULL) |
1719 | printf ("%-6s", name); | |
18f39dfa | 1720 | else if (type == N_UNDF) |
105da05c | 1721 | printf ("HdrSym"); |
fe2750e1 | 1722 | else |
18f39dfa SG |
1723 | printf ("%-6d", type); |
1724 | printf (" %-6d %-6d ", other, desc); | |
1725 | printf_vma (value); | |
1726 | printf (" %-6lu", strx); | |
249c6fc0 RS |
1727 | |
1728 | /* Symbols with type == 0 (N_UNDF) specify the length of the | |
1729 | string table associated with this file. We use that info | |
1730 | to know how to relocate the *next* file's string table indices. */ | |
1731 | ||
18f39dfa | 1732 | if (type == N_UNDF) |
249c6fc0 RS |
1733 | { |
1734 | file_string_table_offset = next_file_string_table_offset; | |
18f39dfa | 1735 | next_file_string_table_offset += value; |
249c6fc0 | 1736 | } |
249c6fc0 | 1737 | else |
e1ec9f07 | 1738 | { |
250e36fe | 1739 | /* Using the (possibly updated) string table offset, print the |
e1ec9f07 SS |
1740 | string (if any) associated with this symbol. */ |
1741 | ||
18f39dfa SG |
1742 | if ((strx + file_string_table_offset) < stabstr_size) |
1743 | printf (" %s", &strtab[strx + file_string_table_offset]); | |
e1ec9f07 SS |
1744 | else |
1745 | printf (" *"); | |
1746 | } | |
73b8f102 JG |
1747 | } |
1748 | printf ("\n\n"); | |
1749 | } | |
249c6fc0 | 1750 | |
18f39dfa | 1751 | static void |
250e36fe DM |
1752 | dump_section_stabs (abfd, stabsect_name, strsect_name) |
1753 | bfd *abfd; | |
1754 | char *stabsect_name; | |
1755 | char *strsect_name; | |
1756 | { | |
13e4db2e | 1757 | asection *s; |
13e4db2e | 1758 | |
a65619c8 SC |
1759 | /* Check for section names for which stabsect_name is a prefix, to |
1760 | handle .stab0, etc. */ | |
13e4db2e | 1761 | for (s = abfd->sections; |
a65619c8 | 1762 | s != NULL; |
13e4db2e SC |
1763 | s = s->next) |
1764 | { | |
18f39dfa SG |
1765 | int len; |
1766 | ||
1767 | len = strlen (stabsect_name); | |
1768 | ||
1769 | /* If the prefix matches, and the files section name ends with a nul or a digit, | |
1770 | then we match. Ie: we want either an exact match or a a section followed by | |
1771 | a number. */ | |
1772 | if (strncmp (stabsect_name, s->name, len) == 0 | |
1773 | && (s->name[len] == '\000' || isdigit (s->name[len]))) | |
13e4db2e | 1774 | { |
a65619c8 SC |
1775 | if (read_section_stabs (abfd, s->name, strsect_name)) |
1776 | { | |
1777 | print_section_stabs (abfd, s->name, strsect_name); | |
1778 | free (stabs); | |
1779 | free (strtab); | |
1780 | } | |
13e4db2e SC |
1781 | } |
1782 | } | |
250e36fe DM |
1783 | } |
1784 | \f | |
eae82145 | 1785 | static void |
f7b839f7 DM |
1786 | dump_bfd_header (abfd) |
1787 | bfd *abfd; | |
1788 | { | |
1789 | char *comma = ""; | |
1790 | ||
1791 | printf ("architecture: %s, ", | |
1792 | bfd_printable_arch_mach (bfd_get_arch (abfd), | |
1793 | bfd_get_mach (abfd))); | |
1794 | printf ("flags 0x%08x:\n", abfd->flags); | |
1795 | ||
1796 | #define PF(x, y) if (abfd->flags & x) {printf("%s%s", comma, y); comma=", ";} | |
1797 | PF (HAS_RELOC, "HAS_RELOC"); | |
1798 | PF (EXEC_P, "EXEC_P"); | |
1799 | PF (HAS_LINENO, "HAS_LINENO"); | |
1800 | PF (HAS_DEBUG, "HAS_DEBUG"); | |
1801 | PF (HAS_SYMS, "HAS_SYMS"); | |
1802 | PF (HAS_LOCALS, "HAS_LOCALS"); | |
1803 | PF (DYNAMIC, "DYNAMIC"); | |
1804 | PF (WP_TEXT, "WP_TEXT"); | |
1805 | PF (D_PAGED, "D_PAGED"); | |
1806 | PF (BFD_IS_RELAXABLE, "BFD_IS_RELAXABLE"); | |
1807 | printf ("\nstart address 0x"); | |
1808 | printf_vma (abfd->start_address); | |
38d7c012 | 1809 | printf ("\n"); |
f7b839f7 | 1810 | } |
a65619c8 SC |
1811 | \f |
1812 | static void | |
1813 | dump_bfd_private_header (abfd) | |
1814 | bfd *abfd; | |
1815 | { | |
1816 | bfd_print_private_bfd_data (abfd, stdout); | |
1817 | } | |
18f39dfa | 1818 | |
02a68547 | 1819 | static void |
2fa0b342 DHW |
1820 | display_bfd (abfd) |
1821 | bfd *abfd; | |
1822 | { | |
209e5610 DM |
1823 | char **matching; |
1824 | ||
1825 | if (!bfd_check_format_matches (abfd, bfd_object, &matching)) | |
aa0a709a | 1826 | { |
cef35d48 | 1827 | bfd_nonfatal (bfd_get_filename (abfd)); |
8f197c94 | 1828 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) |
209e5610 DM |
1829 | { |
1830 | list_matching_formats (matching); | |
1831 | free (matching); | |
1832 | } | |
aa0a709a SC |
1833 | return; |
1834 | } | |
f7b839f7 | 1835 | |
5c59269f ILT |
1836 | /* If we are adjusting section VMA's, change them all now. Changing |
1837 | the BFD information is a hack. However, we must do it, or | |
1838 | bfd_find_nearest_line will not do the right thing. */ | |
1839 | if (adjust_section_vma != 0) | |
1840 | { | |
1841 | asection *s; | |
1842 | ||
1843 | for (s = abfd->sections; s != NULL; s = s->next) | |
1844 | { | |
1845 | s->vma += adjust_section_vma; | |
1846 | s->lma += adjust_section_vma; | |
1847 | } | |
1848 | } | |
1849 | ||
cef35d48 DM |
1850 | printf ("\n%s: file format %s\n", bfd_get_filename (abfd), |
1851 | abfd->xvec->name); | |
aa0a709a SC |
1852 | if (dump_ar_hdrs) |
1853 | print_arelt_descr (stdout, abfd, true); | |
aa0a709a | 1854 | if (dump_file_header) |
f7b839f7 | 1855 | dump_bfd_header (abfd); |
a65619c8 SC |
1856 | if (dump_private_headers) |
1857 | dump_bfd_private_header (abfd); | |
f7b839f7 | 1858 | putchar ('\n'); |
2fa0b342 | 1859 | if (dump_section_headers) |
aa0a709a | 1860 | dump_headers (abfd); |
83f4323e | 1861 | if (dump_symtab || dump_reloc_info || disassemble || dump_debugging) |
aa0a709a SC |
1862 | { |
1863 | syms = slurp_symtab (abfd); | |
1864 | } | |
de3b08ac ILT |
1865 | if (dump_dynamic_symtab || dump_dynamic_reloc_info) |
1866 | { | |
1867 | dynsyms = slurp_dynamic_symtab (abfd); | |
1868 | } | |
aa0a709a | 1869 | if (dump_symtab) |
de3b08ac ILT |
1870 | dump_symbols (abfd, false); |
1871 | if (dump_dynamic_symtab) | |
1872 | dump_symbols (abfd, true); | |
73b8f102 | 1873 | if (dump_stab_section_info) |
9b018ecd | 1874 | dump_stabs (abfd); |
d5464baa | 1875 | if (dump_reloc_info && ! disassemble) |
aa0a709a | 1876 | dump_relocs (abfd); |
de3b08ac ILT |
1877 | if (dump_dynamic_reloc_info) |
1878 | dump_dynamic_relocs (abfd); | |
aa0a709a SC |
1879 | if (dump_section_contents) |
1880 | dump_data (abfd); | |
1881 | if (disassemble) | |
1882 | disassemble_data (abfd); | |
e1c14599 ILT |
1883 | if (dump_debugging) |
1884 | { | |
1885 | PTR dhandle; | |
1886 | ||
83f4323e | 1887 | dhandle = read_debugging_info (abfd, syms, symcount); |
e1c14599 ILT |
1888 | if (dhandle != NULL) |
1889 | { | |
1890 | if (! print_debugging_info (stdout, dhandle)) | |
1891 | fprintf (stderr, "%s: printing debugging information failed\n", | |
1892 | bfd_get_filename (abfd)); | |
1893 | } | |
1894 | } | |
c5ba2759 ILT |
1895 | if (syms) |
1896 | { | |
1897 | free (syms); | |
1898 | syms = NULL; | |
1899 | } | |
1900 | if (dynsyms) | |
1901 | { | |
1902 | free (dynsyms); | |
1903 | dynsyms = NULL; | |
1904 | } | |
2fa0b342 DHW |
1905 | } |
1906 | ||
d9971b83 | 1907 | static void |
2fa0b342 DHW |
1908 | display_file (filename, target) |
1909 | char *filename; | |
1910 | char *target; | |
1911 | { | |
1912 | bfd *file, *arfile = (bfd *) NULL; | |
1913 | ||
1914 | file = bfd_openr (filename, target); | |
aa0a709a SC |
1915 | if (file == NULL) |
1916 | { | |
cef35d48 | 1917 | bfd_nonfatal (filename); |
aa0a709a SC |
1918 | return; |
1919 | } | |
2fa0b342 | 1920 | |
aa0a709a SC |
1921 | if (bfd_check_format (file, bfd_archive) == true) |
1922 | { | |
8f197c94 ILT |
1923 | bfd *last_arfile = NULL; |
1924 | ||
aa0a709a SC |
1925 | printf ("In archive %s:\n", bfd_get_filename (file)); |
1926 | for (;;) | |
1927 | { | |
8f197c94 | 1928 | bfd_set_error (bfd_error_no_error); |
aa0a709a SC |
1929 | |
1930 | arfile = bfd_openr_next_archived_file (file, arfile); | |
1931 | if (arfile == NULL) | |
1932 | { | |
8f197c94 | 1933 | if (bfd_get_error () != bfd_error_no_more_archived_files) |
d2442698 | 1934 | { |
cef35d48 | 1935 | bfd_nonfatal (bfd_get_filename (file)); |
d2442698 | 1936 | } |
8f197c94 | 1937 | break; |
aa0a709a | 1938 | } |
2fa0b342 | 1939 | |
aa0a709a | 1940 | display_bfd (arfile); |
8f197c94 ILT |
1941 | |
1942 | if (last_arfile != NULL) | |
1943 | bfd_close (last_arfile); | |
1944 | last_arfile = arfile; | |
aa0a709a | 1945 | } |
8f197c94 ILT |
1946 | |
1947 | if (last_arfile != NULL) | |
1948 | bfd_close (last_arfile); | |
2fa0b342 | 1949 | } |
2fa0b342 | 1950 | else |
aa0a709a | 1951 | display_bfd (file); |
2fa0b342 | 1952 | |
aa0a709a | 1953 | bfd_close (file); |
2fa0b342 DHW |
1954 | } |
1955 | \f | |
1956 | /* Actually display the various requested regions */ | |
1957 | ||
d9971b83 | 1958 | static void |
2fa0b342 DHW |
1959 | dump_data (abfd) |
1960 | bfd *abfd; | |
1961 | { | |
1962 | asection *section; | |
aa0a709a | 1963 | bfd_byte *data = 0; |
fc5d6074 SC |
1964 | bfd_size_type datasize = 0; |
1965 | bfd_size_type i; | |
aa21a2a9 | 1966 | bfd_size_type start, stop; |
2fa0b342 DHW |
1967 | |
1968 | for (section = abfd->sections; section != NULL; section = | |
aa0a709a SC |
1969 | section->next) |
1970 | { | |
1971 | int onaline = 16; | |
2fa0b342 | 1972 | |
aa0a709a SC |
1973 | if (only == (char *) NULL || |
1974 | strcmp (only, section->name) == 0) | |
60c80016 | 1975 | { |
aa0a709a SC |
1976 | if (section->flags & SEC_HAS_CONTENTS) |
1977 | { | |
1978 | printf ("Contents of section %s:\n", section->name); | |
1979 | ||
9b018ecd | 1980 | if (bfd_section_size (abfd, section) == 0) |
aa0a709a | 1981 | continue; |
02a68547 | 1982 | data = (bfd_byte *) xmalloc ((size_t) bfd_section_size (abfd, section)); |
9b018ecd | 1983 | datasize = bfd_section_size (abfd, section); |
2fa0b342 | 1984 | |
2fa0b342 | 1985 | |
9b018ecd | 1986 | bfd_get_section_contents (abfd, section, (PTR) data, 0, bfd_section_size (abfd, section)); |
2fa0b342 | 1987 | |
aa21a2a9 ILT |
1988 | if (start_address == (bfd_vma) -1 |
1989 | || start_address < section->vma) | |
1990 | start = 0; | |
1991 | else | |
1992 | start = start_address - section->vma; | |
1993 | if (stop_address == (bfd_vma) -1) | |
1994 | stop = bfd_section_size (abfd, section); | |
1995 | else | |
1996 | { | |
1997 | if (stop_address < section->vma) | |
1998 | stop = 0; | |
1999 | else | |
2000 | stop = stop_address - section->vma; | |
2001 | if (stop > bfd_section_size (abfd, section)) | |
2002 | stop = bfd_section_size (abfd, section); | |
2003 | } | |
2004 | for (i = start; i < stop; i += onaline) | |
aa0a709a SC |
2005 | { |
2006 | bfd_size_type j; | |
2007 | ||
2008 | printf (" %04lx ", (unsigned long int) (i + section->vma)); | |
2009 | for (j = i; j < i + onaline; j++) | |
2010 | { | |
aa21a2a9 | 2011 | if (j < stop) |
aa0a709a SC |
2012 | printf ("%02x", (unsigned) (data[j])); |
2013 | else | |
2014 | printf (" "); | |
2015 | if ((j & 3) == 3) | |
2016 | printf (" "); | |
2017 | } | |
2fa0b342 | 2018 | |
aa0a709a SC |
2019 | printf (" "); |
2020 | for (j = i; j < i + onaline; j++) | |
2021 | { | |
aa21a2a9 | 2022 | if (j >= stop) |
aa0a709a SC |
2023 | printf (" "); |
2024 | else | |
2025 | printf ("%c", isprint (data[j]) ? data[j] : '.'); | |
2026 | } | |
2027 | putchar ('\n'); | |
2028 | } | |
d9971b83 | 2029 | free (data); |
60c80016 | 2030 | } |
2fa0b342 | 2031 | } |
2fa0b342 | 2032 | } |
2fa0b342 DHW |
2033 | } |
2034 | ||
2fa0b342 | 2035 | /* Should perhaps share code and display with nm? */ |
d9971b83 | 2036 | static void |
de3b08ac | 2037 | dump_symbols (abfd, dynamic) |
2fa0b342 | 2038 | bfd *abfd; |
de3b08ac | 2039 | boolean dynamic; |
2fa0b342 | 2040 | { |
de3b08ac ILT |
2041 | asymbol **current; |
2042 | long max; | |
ae5d2ff5 | 2043 | long count; |
2fa0b342 | 2044 | |
de3b08ac | 2045 | if (dynamic) |
aa0a709a | 2046 | { |
de3b08ac ILT |
2047 | current = dynsyms; |
2048 | max = dynsymcount; | |
2049 | if (max == 0) | |
2050 | return; | |
2051 | printf ("DYNAMIC SYMBOL TABLE:\n"); | |
2052 | } | |
2053 | else | |
2054 | { | |
2055 | current = syms; | |
2056 | max = symcount; | |
2057 | if (max == 0) | |
2058 | return; | |
2059 | printf ("SYMBOL TABLE:\n"); | |
2060 | } | |
2fa0b342 | 2061 | |
de3b08ac ILT |
2062 | for (count = 0; count < max; count++) |
2063 | { | |
d9971b83 | 2064 | if (*current) |
aa0a709a | 2065 | { |
d9971b83 KR |
2066 | bfd *cur_bfd = bfd_asymbol_bfd(*current); |
2067 | if (cur_bfd) | |
2068 | { | |
2069 | bfd_print_symbol (cur_bfd, | |
2070 | stdout, | |
2071 | *current, bfd_print_symbol_all); | |
2072 | printf ("\n"); | |
2073 | } | |
aa0a709a SC |
2074 | } |
2075 | current++; | |
2fa0b342 | 2076 | } |
aa0a709a SC |
2077 | printf ("\n"); |
2078 | printf ("\n"); | |
2fa0b342 DHW |
2079 | } |
2080 | ||
d9971b83 | 2081 | static void |
aa0a709a SC |
2082 | dump_relocs (abfd) |
2083 | bfd *abfd; | |
2fa0b342 DHW |
2084 | { |
2085 | arelent **relpp; | |
ae5d2ff5 | 2086 | long relcount; |
2fa0b342 | 2087 | asection *a; |
aa0a709a SC |
2088 | |
2089 | for (a = abfd->sections; a != (asection *) NULL; a = a->next) | |
2090 | { | |
ae5d2ff5 ILT |
2091 | long relsize; |
2092 | ||
28d1b01e | 2093 | if (bfd_is_abs_section (a)) |
aa0a709a | 2094 | continue; |
28d1b01e | 2095 | if (bfd_is_und_section (a)) |
aa0a709a | 2096 | continue; |
d9971b83 | 2097 | if (bfd_is_com_section (a)) |
aa0a709a SC |
2098 | continue; |
2099 | ||
195d1adf KR |
2100 | if (only) |
2101 | { | |
2102 | if (strcmp (only, a->name)) | |
2103 | continue; | |
2104 | } | |
2105 | else if ((a->flags & SEC_RELOC) == 0) | |
2106 | continue; | |
2107 | ||
ae5d2ff5 ILT |
2108 | relsize = bfd_get_reloc_upper_bound (abfd, a); |
2109 | if (relsize < 0) | |
2110 | bfd_fatal (bfd_get_filename (abfd)); | |
2111 | ||
c5ba2759 ILT |
2112 | printf ("RELOCATION RECORDS FOR [%s]:", a->name); |
2113 | ||
ae5d2ff5 | 2114 | if (relsize == 0) |
aa0a709a SC |
2115 | { |
2116 | printf (" (none)\n\n"); | |
d20f480f | 2117 | } |
aa0a709a SC |
2118 | else |
2119 | { | |
ae5d2ff5 | 2120 | relpp = (arelent **) xmalloc (relsize); |
aa0a709a | 2121 | relcount = bfd_canonicalize_reloc (abfd, a, relpp, syms); |
ae5d2ff5 ILT |
2122 | if (relcount < 0) |
2123 | bfd_fatal (bfd_get_filename (abfd)); | |
2124 | else if (relcount == 0) | |
aa0a709a SC |
2125 | { |
2126 | printf (" (none)\n\n"); | |
d20f480f | 2127 | } |
aa0a709a SC |
2128 | else |
2129 | { | |
2130 | printf ("\n"); | |
18f39dfa | 2131 | dump_reloc_set (abfd, a, relpp, relcount); |
aa0a709a | 2132 | printf ("\n\n"); |
d20f480f | 2133 | } |
de3b08ac | 2134 | free (relpp); |
2fa0b342 | 2135 | } |
de3b08ac ILT |
2136 | } |
2137 | } | |
2fa0b342 | 2138 | |
de3b08ac ILT |
2139 | static void |
2140 | dump_dynamic_relocs (abfd) | |
2141 | bfd *abfd; | |
2142 | { | |
2143 | long relsize; | |
2144 | arelent **relpp; | |
2145 | long relcount; | |
2146 | ||
de3b08ac ILT |
2147 | relsize = bfd_get_dynamic_reloc_upper_bound (abfd); |
2148 | if (relsize < 0) | |
2149 | bfd_fatal (bfd_get_filename (abfd)); | |
2150 | ||
c5ba2759 ILT |
2151 | printf ("DYNAMIC RELOCATION RECORDS"); |
2152 | ||
de3b08ac ILT |
2153 | if (relsize == 0) |
2154 | { | |
2155 | printf (" (none)\n\n"); | |
2156 | } | |
2157 | else | |
2158 | { | |
2159 | relpp = (arelent **) xmalloc (relsize); | |
2160 | relcount = bfd_canonicalize_dynamic_reloc (abfd, relpp, dynsyms); | |
2161 | if (relcount < 0) | |
2162 | bfd_fatal (bfd_get_filename (abfd)); | |
2163 | else if (relcount == 0) | |
2164 | { | |
2165 | printf (" (none)\n\n"); | |
2166 | } | |
2167 | else | |
2168 | { | |
2169 | printf ("\n"); | |
18f39dfa | 2170 | dump_reloc_set (abfd, (asection *) NULL, relpp, relcount); |
de3b08ac ILT |
2171 | printf ("\n\n"); |
2172 | } | |
2173 | free (relpp); | |
2174 | } | |
2175 | } | |
2176 | ||
2177 | static void | |
18f39dfa | 2178 | dump_reloc_set (abfd, sec, relpp, relcount) |
de3b08ac | 2179 | bfd *abfd; |
18f39dfa | 2180 | asection *sec; |
de3b08ac ILT |
2181 | arelent **relpp; |
2182 | long relcount; | |
2183 | { | |
2184 | arelent **p; | |
18f39dfa SG |
2185 | char *last_filename, *last_functionname; |
2186 | unsigned int last_line; | |
de3b08ac ILT |
2187 | |
2188 | /* Get column headers lined up reasonably. */ | |
2189 | { | |
2190 | static int width; | |
2191 | if (width == 0) | |
2192 | { | |
2193 | char buf[30]; | |
2194 | sprintf_vma (buf, (bfd_vma) -1); | |
2195 | width = strlen (buf) - 7; | |
2196 | } | |
2197 | printf ("OFFSET %*s TYPE %*s VALUE \n", width, "", 12, ""); | |
2198 | } | |
2199 | ||
18f39dfa SG |
2200 | last_filename = NULL; |
2201 | last_functionname = NULL; | |
2202 | last_line = 0; | |
2203 | ||
de3b08ac ILT |
2204 | for (p = relpp; relcount && *p != (arelent *) NULL; p++, relcount--) |
2205 | { | |
2206 | arelent *q = *p; | |
18f39dfa SG |
2207 | const char *filename, *functionname; |
2208 | unsigned int line; | |
2209 | const char *sym_name; | |
2210 | const char *section_name; | |
de3b08ac | 2211 | |
aa21a2a9 ILT |
2212 | if (start_address != (bfd_vma) -1 |
2213 | && q->address < start_address) | |
2214 | continue; | |
2215 | if (stop_address != (bfd_vma) -1 | |
2216 | && q->address > stop_address) | |
2217 | continue; | |
2218 | ||
18f39dfa SG |
2219 | if (with_line_numbers |
2220 | && sec != NULL | |
2221 | && bfd_find_nearest_line (abfd, sec, syms, q->address, | |
2222 | &filename, &functionname, &line)) | |
2223 | { | |
2224 | if (functionname != NULL | |
2225 | && (last_functionname == NULL | |
2226 | || strcmp (functionname, last_functionname) != 0)) | |
2227 | { | |
2228 | printf ("%s():\n", functionname); | |
2229 | if (last_functionname != NULL) | |
2230 | free (last_functionname); | |
2231 | last_functionname = xstrdup (functionname); | |
2232 | } | |
2233 | if (line > 0 | |
2234 | && (line != last_line | |
2235 | || (filename != NULL | |
2236 | && last_filename != NULL | |
2237 | && strcmp (filename, last_filename) != 0))) | |
2238 | { | |
2239 | printf ("%s:%u\n", filename == NULL ? "???" : filename, line); | |
2240 | last_line = line; | |
2241 | if (last_filename != NULL) | |
2242 | free (last_filename); | |
2243 | if (filename == NULL) | |
2244 | last_filename = NULL; | |
2245 | else | |
2246 | last_filename = xstrdup (filename); | |
2247 | } | |
2248 | } | |
2249 | ||
de3b08ac ILT |
2250 | if (q->sym_ptr_ptr && *q->sym_ptr_ptr) |
2251 | { | |
2252 | sym_name = (*(q->sym_ptr_ptr))->name; | |
2253 | section_name = (*(q->sym_ptr_ptr))->section->name; | |
2254 | } | |
2255 | else | |
2256 | { | |
2257 | sym_name = NULL; | |
2258 | section_name = NULL; | |
2259 | } | |
2260 | if (sym_name) | |
2261 | { | |
2262 | printf_vma (q->address); | |
2263 | printf (" %-16s %s", | |
2264 | q->howto->name, | |
2265 | sym_name); | |
2266 | } | |
2267 | else | |
2268 | { | |
2269 | if (section_name == (CONST char *) NULL) | |
2270 | section_name = "*unknown*"; | |
2271 | printf_vma (q->address); | |
2272 | printf (" %-16s [%s]", | |
2273 | q->howto->name, | |
2274 | section_name); | |
2275 | } | |
2276 | if (q->addend) | |
2277 | { | |
2278 | printf ("+0x"); | |
2279 | printf_vma (q->addend); | |
2280 | } | |
2281 | printf ("\n"); | |
d20f480f | 2282 | } |
2fa0b342 | 2283 | } |
f7b839f7 | 2284 | \f |
f7b839f7 DM |
2285 | /* The length of the longest architecture name + 1. */ |
2286 | #define LONGEST_ARCH sizeof("rs6000:6000") | |
2287 | ||
e1c14599 ILT |
2288 | static const char * |
2289 | endian_string (endian) | |
2290 | enum bfd_endian endian; | |
2291 | { | |
2292 | if (endian == BFD_ENDIAN_BIG) | |
2293 | return "big endian"; | |
2294 | else if (endian == BFD_ENDIAN_LITTLE) | |
2295 | return "little endian"; | |
2296 | else | |
2297 | return "endianness unknown"; | |
2298 | } | |
2299 | ||
f7b839f7 DM |
2300 | /* List the targets that BFD is configured to support, each followed |
2301 | by its endianness and the architectures it supports. */ | |
2302 | ||
2303 | static void | |
2304 | display_target_list () | |
2305 | { | |
2306 | extern bfd_target *bfd_target_vector[]; | |
de04bceb | 2307 | char *dummy_name; |
f7b839f7 DM |
2308 | int t; |
2309 | ||
7f924d55 | 2310 | dummy_name = choose_temp_base (); |
f7b839f7 DM |
2311 | for (t = 0; bfd_target_vector[t]; t++) |
2312 | { | |
f7b839f7 | 2313 | bfd_target *p = bfd_target_vector[t]; |
de04bceb | 2314 | bfd *abfd = bfd_openw (dummy_name, p->name); |
105da05c ILT |
2315 | int a; |
2316 | ||
2317 | printf ("%s\n (header %s, data %s)\n", p->name, | |
e1c14599 ILT |
2318 | endian_string (p->header_byteorder), |
2319 | endian_string (p->byteorder)); | |
f7b839f7 | 2320 | |
334d6e76 SS |
2321 | if (abfd == NULL) |
2322 | { | |
de04bceb | 2323 | bfd_nonfatal (dummy_name); |
105da05c | 2324 | continue; |
334d6e76 | 2325 | } |
105da05c ILT |
2326 | |
2327 | if (! bfd_set_format (abfd, bfd_object)) | |
2328 | { | |
2329 | if (bfd_get_error () != bfd_error_invalid_operation) | |
2330 | bfd_nonfatal (p->name); | |
2331 | continue; | |
2332 | } | |
2333 | ||
f7b839f7 DM |
2334 | for (a = (int) bfd_arch_obscure + 1; a < (int) bfd_arch_last; a++) |
2335 | if (bfd_set_arch_mach (abfd, (enum bfd_architecture) a, 0)) | |
2336 | printf (" %s\n", | |
2337 | bfd_printable_arch_mach ((enum bfd_architecture) a, 0)); | |
2338 | } | |
de04bceb | 2339 | unlink (dummy_name); |
7f924d55 | 2340 | free (dummy_name); |
f7b839f7 DM |
2341 | } |
2342 | ||
2343 | /* Print a table showing which architectures are supported for entries | |
2344 | FIRST through LAST-1 of bfd_target_vector (targets across, | |
2345 | architectures down). */ | |
2346 | ||
9872a49c | 2347 | static void |
abdcac0f DM |
2348 | display_info_table (first, last) |
2349 | int first; | |
2350 | int last; | |
9872a49c | 2351 | { |
abdcac0f | 2352 | extern bfd_target *bfd_target_vector[]; |
de04bceb ILT |
2353 | int t, a; |
2354 | char *dummy_name; | |
9872a49c | 2355 | |
f7b839f7 | 2356 | /* Print heading of target names. */ |
ae5d2ff5 | 2357 | printf ("\n%*s", (int) LONGEST_ARCH, " "); |
105da05c | 2358 | for (t = first; t < last && bfd_target_vector[t]; t++) |
f7b839f7 DM |
2359 | printf ("%s ", bfd_target_vector[t]->name); |
2360 | putchar ('\n'); | |
9872a49c | 2361 | |
7f924d55 | 2362 | dummy_name = choose_temp_base (); |
f7b839f7 DM |
2363 | for (a = (int) bfd_arch_obscure + 1; a < (int) bfd_arch_last; a++) |
2364 | if (strcmp (bfd_printable_arch_mach (a, 0), "UNKNOWN!") != 0) | |
e779a58c | 2365 | { |
ae5d2ff5 ILT |
2366 | printf ("%*s ", (int) LONGEST_ARCH - 1, |
2367 | bfd_printable_arch_mach (a, 0)); | |
105da05c | 2368 | for (t = first; t < last && bfd_target_vector[t]; t++) |
aa0a709a | 2369 | { |
f7b839f7 | 2370 | bfd_target *p = bfd_target_vector[t]; |
105da05c | 2371 | boolean ok = true; |
de04bceb | 2372 | bfd *abfd = bfd_openw (dummy_name, p->name); |
aa0a709a | 2373 | |
334d6e76 SS |
2374 | if (abfd == NULL) |
2375 | { | |
105da05c ILT |
2376 | bfd_nonfatal (p->name); |
2377 | ok = false; | |
2378 | } | |
2379 | ||
2380 | if (ok) | |
2381 | { | |
2382 | if (! bfd_set_format (abfd, bfd_object)) | |
2383 | { | |
2384 | if (bfd_get_error () != bfd_error_invalid_operation) | |
2385 | bfd_nonfatal (p->name); | |
2386 | ok = false; | |
2387 | } | |
334d6e76 | 2388 | } |
105da05c ILT |
2389 | |
2390 | if (ok) | |
2391 | { | |
2392 | if (! bfd_set_arch_mach (abfd, a, 0)) | |
2393 | ok = false; | |
2394 | } | |
2395 | ||
2396 | if (ok) | |
aa0a709a SC |
2397 | printf ("%s ", p->name); |
2398 | else | |
e779a58c | 2399 | { |
f7b839f7 | 2400 | int l = strlen (p->name); |
aa0a709a | 2401 | while (l--) |
f7b839f7 DM |
2402 | putchar ('-'); |
2403 | putchar (' '); | |
e779a58c | 2404 | } |
e779a58c | 2405 | } |
f7b839f7 | 2406 | putchar ('\n'); |
e779a58c | 2407 | } |
de04bceb | 2408 | unlink (dummy_name); |
7f924d55 | 2409 | free (dummy_name); |
9872a49c | 2410 | } |
aa0a709a | 2411 | |
f7b839f7 DM |
2412 | /* Print tables of all the target-architecture combinations that |
2413 | BFD has been configured to support. */ | |
2414 | ||
aa0a709a | 2415 | static void |
f7b839f7 | 2416 | display_target_tables () |
aa0a709a | 2417 | { |
f7b839f7 | 2418 | int t, columns; |
abdcac0f | 2419 | extern bfd_target *bfd_target_vector[]; |
f7b839f7 | 2420 | char *colum; |
aa0a709a SC |
2421 | extern char *getenv (); |
2422 | ||
aa0a709a | 2423 | columns = 0; |
f7b839f7 DM |
2424 | colum = getenv ("COLUMNS"); |
2425 | if (colum != NULL) | |
aa0a709a | 2426 | columns = atoi (colum); |
f7b839f7 | 2427 | if (columns == 0) |
aa0a709a | 2428 | columns = 80; |
f7b839f7 | 2429 | |
105da05c ILT |
2430 | t = 0; |
2431 | while (bfd_target_vector[t] != NULL) | |
aa0a709a | 2432 | { |
f7b839f7 DM |
2433 | int oldt = t, wid; |
2434 | ||
105da05c ILT |
2435 | wid = LONGEST_ARCH + strlen (bfd_target_vector[t]->name) + 1; |
2436 | ++t; | |
2437 | while (wid < columns && bfd_target_vector[t] != NULL) | |
2438 | { | |
2439 | int newwid; | |
2440 | ||
2441 | newwid = wid + strlen (bfd_target_vector[t]->name) + 1; | |
2442 | if (newwid >= columns) | |
2443 | break; | |
2444 | wid = newwid; | |
2445 | ++t; | |
2446 | } | |
f7b839f7 | 2447 | display_info_table (oldt, t); |
aa0a709a SC |
2448 | } |
2449 | } | |
2450 | ||
f7b839f7 DM |
2451 | static void |
2452 | display_info () | |
2453 | { | |
2454 | printf ("BFD header file version %s\n", BFD_VERSION); | |
2455 | display_target_list (); | |
2456 | display_target_tables (); | |
2457 | } | |
2458 | ||
2fa0b342 DHW |
2459 | int |
2460 | main (argc, argv) | |
2461 | int argc; | |
2462 | char **argv; | |
2463 | { | |
2464 | int c; | |
2fa0b342 DHW |
2465 | char *target = default_target; |
2466 | boolean seenflag = false; | |
2fa0b342 DHW |
2467 | |
2468 | program_name = *argv; | |
8f197c94 ILT |
2469 | xmalloc_set_program_name (program_name); |
2470 | ||
be1d162b ILT |
2471 | START_PROGRESS (program_name, 0); |
2472 | ||
8f197c94 | 2473 | bfd_init (); |
5c59269f | 2474 | set_default_bfd_target (); |
2fa0b342 | 2475 | |
18f39dfa SG |
2476 | while ((c = getopt_long (argc, argv, "pib:m:VdDlfahrRtTxsSj:wE:", |
2477 | long_options, (int *) 0)) | |
aa0a709a SC |
2478 | != EOF) |
2479 | { | |
aa21a2a9 ILT |
2480 | if (c != 'l' && c != OPTION_START_ADDRESS && c != OPTION_STOP_ADDRESS) |
2481 | seenflag = true; | |
aa0a709a SC |
2482 | switch (c) |
2483 | { | |
b3a2b497 ILT |
2484 | case 0: |
2485 | break; /* we've been given a long option */ | |
aa0a709a SC |
2486 | case 'm': |
2487 | machine = optarg; | |
2488 | break; | |
2489 | case 'j': | |
2490 | only = optarg; | |
2491 | break; | |
2492 | case 'l': | |
2493 | with_line_numbers = 1; | |
2494 | break; | |
2495 | case 'b': | |
2496 | target = optarg; | |
2497 | break; | |
2498 | case 'f': | |
2499 | dump_file_header = true; | |
2500 | break; | |
2501 | case 'i': | |
e1ec9f07 | 2502 | formats_info = true; |
aa0a709a | 2503 | break; |
a65619c8 SC |
2504 | case 'p': |
2505 | dump_private_headers = 1; | |
2506 | break; | |
aa0a709a | 2507 | case 'x': |
a65619c8 | 2508 | dump_private_headers = 1; |
aa0a709a SC |
2509 | dump_symtab = 1; |
2510 | dump_reloc_info = 1; | |
2511 | dump_file_header = true; | |
2512 | dump_ar_hdrs = 1; | |
2513 | dump_section_headers = 1; | |
2514 | break; | |
aa0a709a SC |
2515 | case 't': |
2516 | dump_symtab = 1; | |
2517 | break; | |
de3b08ac ILT |
2518 | case 'T': |
2519 | dump_dynamic_symtab = 1; | |
2520 | break; | |
aa0a709a SC |
2521 | case 'd': |
2522 | disassemble = true; | |
2523 | break; | |
d5464baa ILT |
2524 | case 'D': |
2525 | disassemble = disassemble_all = true; | |
2526 | break; | |
be1d162b ILT |
2527 | case 'S': |
2528 | disassemble = true; | |
2529 | with_source_code = true; | |
2530 | break; | |
aa0a709a SC |
2531 | case 's': |
2532 | dump_section_contents = 1; | |
2533 | break; | |
2534 | case 'r': | |
2535 | dump_reloc_info = 1; | |
2536 | break; | |
de3b08ac ILT |
2537 | case 'R': |
2538 | dump_dynamic_reloc_info = 1; | |
2539 | break; | |
aa0a709a SC |
2540 | case 'a': |
2541 | dump_ar_hdrs = 1; | |
2542 | break; | |
2543 | case 'h': | |
2544 | dump_section_headers = 1; | |
2545 | break; | |
b3a2b497 ILT |
2546 | case 'H': |
2547 | usage (stdout, 0); | |
249c6fc0 RS |
2548 | case 'V': |
2549 | show_version = 1; | |
2550 | break; | |
13e4db2e SC |
2551 | case 'w': |
2552 | wide_output = 1; | |
2553 | break; | |
5c59269f ILT |
2554 | case OPTION_ADJUST_VMA: |
2555 | adjust_section_vma = parse_vma (optarg, "--adjust-vma"); | |
2556 | break; | |
aa21a2a9 ILT |
2557 | case OPTION_START_ADDRESS: |
2558 | start_address = parse_vma (optarg, "--start-address"); | |
2559 | break; | |
2560 | case OPTION_STOP_ADDRESS: | |
2561 | stop_address = parse_vma (optarg, "--stop-address"); | |
2562 | break; | |
18f39dfa SG |
2563 | case 'E': |
2564 | if (strcmp (optarg, "B") == 0) | |
2565 | endian = BFD_ENDIAN_BIG; | |
2566 | else if (strcmp (optarg, "L") == 0) | |
2567 | endian = BFD_ENDIAN_LITTLE; | |
2568 | else | |
2569 | { | |
2570 | fprintf (stderr, "%s: unrecognized -E option\n", program_name); | |
2571 | usage (stderr, 1); | |
2572 | } | |
2573 | break; | |
2574 | case OPTION_ENDIAN: | |
2575 | if (strncmp (optarg, "big", strlen (optarg)) == 0) | |
2576 | endian = BFD_ENDIAN_BIG; | |
2577 | else if (strncmp (optarg, "little", strlen (optarg)) == 0) | |
2578 | endian = BFD_ENDIAN_LITTLE; | |
2579 | else | |
2580 | { | |
2581 | fprintf (stderr, "%s: unrecognized --endian type `%s'\n", | |
2582 | program_name, optarg); | |
2583 | usage (stderr, 1); | |
2584 | } | |
2585 | break; | |
aa0a709a | 2586 | default: |
b3a2b497 | 2587 | usage (stderr, 1); |
aa0a709a | 2588 | } |
2fa0b342 | 2589 | } |
2fa0b342 | 2590 | |
249c6fc0 | 2591 | if (show_version) |
7f924d55 | 2592 | print_version ("objdump"); |
249c6fc0 | 2593 | |
2fa0b342 | 2594 | if (seenflag == false) |
b3a2b497 | 2595 | usage (stderr, 1); |
2fa0b342 | 2596 | |
e1ec9f07 | 2597 | if (formats_info) |
aa0a709a SC |
2598 | { |
2599 | display_info (); | |
2600 | } | |
2601 | else | |
2602 | { | |
2603 | if (optind == argc) | |
2604 | display_file ("a.out", target); | |
2605 | else | |
2606 | for (; optind < argc;) | |
2607 | display_file (argv[optind++], target); | |
2608 | } | |
be1d162b ILT |
2609 | |
2610 | END_PROGRESS (program_name); | |
2611 | ||
2fa0b342 DHW |
2612 | return 0; |
2613 | } |