1 /* objdump.c -- dump information about an object file.
2 Copyright 1990, 91, 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
4 This file is part of GNU Binutils.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
26 #include "libiberty.h"
30 #ifdef ANSI_PROTOTYPES
36 /* Internal headers for the ELF .stab-dump code - sorry. */
37 #define BYTES_IN_WORD 32
38 #include "aout/aout64.h"
40 #ifdef NEED_DECLARATION_FPRINTF
41 /* This is needed by INIT_DISASSEMBLE_INFO. */
42 extern int fprintf PARAMS ((FILE *, const char *, ...));
45 static char *default_target = NULL; /* default at runtime */
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 */
57 static int prefix_addresses; /* --prefix-addresses */
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 */
64 static int disassemble_zeroes; /* --disassemble-zeroes */
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 */
72 /* Extra info to pass to the disassembler address printing function. */
73 struct objdump_disasm_info {
79 /* Architecture to disassemble for, or default if NULL. */
80 static char *machine = (char *) NULL;
82 /* Endianness to disassemble for, or default if BFD_ENDIAN_UNKNOWN. */
83 static enum bfd_endian endian = BFD_ENDIAN_UNKNOWN;
85 /* The symbol table. */
86 static asymbol **syms;
88 /* Number of symbols in `syms'. */
89 static long symcount = 0;
91 /* The sorted symbol table. */
92 static asymbol **sorted_syms;
94 /* Number of symbols in `sorted_syms'. */
95 static long sorted_symcount = 0;
97 /* The dynamic symbol table. */
98 static asymbol **dynsyms;
100 /* Number of symbols in `dynsyms'. */
101 static long dynsymcount = 0;
103 /* Forward declarations. */
106 display_file PARAMS ((char *filename, char *target));
109 dump_data PARAMS ((bfd *abfd));
112 dump_relocs PARAMS ((bfd *abfd));
115 dump_dynamic_relocs PARAMS ((bfd * abfd));
118 dump_reloc_set PARAMS ((bfd *, asection *, arelent **, long));
121 dump_symbols PARAMS ((bfd *abfd, boolean dynamic));
124 display_bfd PARAMS ((bfd *abfd));
127 objdump_print_value PARAMS ((bfd_vma, struct disassemble_info *, boolean));
130 find_symbol_for_address PARAMS ((bfd *, asection *, bfd_vma, boolean, long *));
133 objdump_print_addr_with_sym PARAMS ((bfd *, asection *, asymbol *, bfd_vma,
134 struct disassemble_info *, boolean));
137 objdump_print_addr PARAMS ((bfd_vma, struct disassemble_info *, boolean));
140 objdump_print_address PARAMS ((bfd_vma, struct disassemble_info *));
143 show_line PARAMS ((bfd *, asection *, bfd_vma));
146 disassemble_bytes PARAMS ((struct disassemble_info *, disassembler_ftype,
147 boolean, bfd_byte *, long, long, arelent ***,
151 disassemble_data PARAMS ((bfd *));
154 endian_string PARAMS ((enum bfd_endian));
157 usage (stream, status)
162 Usage: %s [-ahifdDprRtTxsSlw] [-b bfdname] [-m machine] [-j section-name]\n\
163 [--archive-headers] [--target=bfdname] [--debugging] [--disassemble]\n\
164 [--disassemble-all] [--disassemble-zeroes] [--file-headers]\n\
165 [--section-headers] [--headers]\n\
166 [--info] [--section=section-name] [--line-numbers] [--source]\n",
169 [--architecture=machine] [--reloc] [--full-contents] [--stabs]\n\
170 [--syms] [--all-headers] [--dynamic-syms] [--dynamic-reloc]\n\
171 [--wide] [--version] [--help] [--private-headers]\n\
172 [--start-address=addr] [--stop-address=addr]\n\
173 [--prefix-addresses] [--show-raw-insn]\n\
174 [-EB|-EL] [--endian={big|little}] objfile...\n\
175 at least one option besides -l (--line-numbers) must be given\n");
176 list_supported_targets (program_name, stream);
182 /* 150 isn't special; it's just an arbitrary non-ASCII char value. */
184 #define OPTION_ENDIAN (150)
185 #define OPTION_START_ADDRESS (OPTION_ENDIAN + 1)
186 #define OPTION_STOP_ADDRESS (OPTION_START_ADDRESS + 1)
188 static struct option long_options[]=
190 {"all-headers", no_argument, NULL, 'x'},
191 {"private-headers", no_argument, NULL, 'p'},
192 {"architecture", required_argument, NULL, 'm'},
193 {"archive-headers", no_argument, NULL, 'a'},
194 {"debugging", no_argument, &dump_debugging, 1},
195 {"disassemble", no_argument, NULL, 'd'},
196 {"disassemble-all", no_argument, NULL, 'D'},
197 {"disassemble-zeroes", no_argument, &disassemble_zeroes, 1},
198 {"dynamic-reloc", no_argument, NULL, 'R'},
199 {"dynamic-syms", no_argument, NULL, 'T'},
200 {"endian", required_argument, NULL, OPTION_ENDIAN},
201 {"file-headers", no_argument, NULL, 'f'},
202 {"full-contents", no_argument, NULL, 's'},
203 {"headers", no_argument, NULL, 'h'},
204 {"help", no_argument, NULL, 'H'},
205 {"info", no_argument, NULL, 'i'},
206 {"line-numbers", no_argument, NULL, 'l'},
207 {"prefix-addresses", no_argument, &prefix_addresses, 1},
208 {"reloc", no_argument, NULL, 'r'},
209 {"section", required_argument, NULL, 'j'},
210 {"section-headers", no_argument, NULL, 'h'},
211 {"show-raw-insn", no_argument, &show_raw_insn, 1},
212 {"source", no_argument, NULL, 'S'},
213 {"stabs", no_argument, &dump_stab_section_info, 1},
214 {"start-address", required_argument, NULL, OPTION_START_ADDRESS},
215 {"stop-address", required_argument, NULL, OPTION_STOP_ADDRESS},
216 {"syms", no_argument, NULL, 't'},
217 {"target", required_argument, NULL, 'b'},
218 {"version", no_argument, &show_version, 1},
219 {"wide", no_argument, &wide_output, 'w'},
220 {0, no_argument, 0, 0}
224 dump_section_header (abfd, section, ignored)
231 printf ("%3d %-13s %08lx ", section->index,
232 bfd_get_section_name (abfd, section),
233 (unsigned long) bfd_section_size (abfd, section));
234 printf_vma (bfd_get_section_vma (abfd, section));
236 printf_vma (section->lma);
237 printf (" %08lx 2**%u", section->filepos,
238 bfd_get_section_alignment (abfd, section));
244 if (section->flags & x) { printf ("%s%s", comma, y); comma = ", "; }
246 PF (SEC_HAS_CONTENTS, "CONTENTS");
247 PF (SEC_ALLOC, "ALLOC");
248 PF (SEC_CONSTRUCTOR, "CONSTRUCTOR");
249 PF (SEC_CONSTRUCTOR_TEXT, "CONSTRUCTOR TEXT");
250 PF (SEC_CONSTRUCTOR_DATA, "CONSTRUCTOR DATA");
251 PF (SEC_CONSTRUCTOR_BSS, "CONSTRUCTOR BSS");
252 PF (SEC_LOAD, "LOAD");
253 PF (SEC_RELOC, "RELOC");
255 PF (SEC_BALIGN, "BALIGN");
257 PF (SEC_READONLY, "READONLY");
258 PF (SEC_CODE, "CODE");
259 PF (SEC_DATA, "DATA");
261 PF (SEC_DEBUGGING, "DEBUGGING");
262 PF (SEC_NEVER_LOAD, "NEVER_LOAD");
263 PF (SEC_EXCLUDE, "EXCLUDE");
264 PF (SEC_SORT_ENTRIES, "SORT_ENTRIES");
266 if ((section->flags & SEC_LINK_ONCE) != 0)
270 switch (section->flags & SEC_LINK_DUPLICATES)
274 case SEC_LINK_DUPLICATES_DISCARD:
275 ls = "LINK_ONCE_DISCARD";
277 case SEC_LINK_DUPLICATES_ONE_ONLY:
278 ls = "LINK_ONCE_ONE_ONLY";
280 case SEC_LINK_DUPLICATES_SAME_SIZE:
281 ls = "LINK_ONCE_SAME_SIZE";
283 case SEC_LINK_DUPLICATES_SAME_CONTENTS:
284 ls = "LINK_ONCE_SAME_CONTENTS";
287 printf ("%s%s", comma, ls);
299 printf ("Sections:\n");
301 printf ("Idx Name Size VMA LMA File off Algn\n");
303 printf ("Idx Name Size VMA LMA File off Algn\n");
305 bfd_map_over_sections (abfd, dump_section_header, (PTR) NULL);
312 asymbol **sy = (asymbol **) NULL;
315 if (!(bfd_get_file_flags (abfd) & HAS_SYMS))
317 printf ("No symbols in \"%s\".\n", bfd_get_filename (abfd));
322 storage = bfd_get_symtab_upper_bound (abfd);
324 bfd_fatal (bfd_get_filename (abfd));
328 sy = (asymbol **) xmalloc (storage);
330 symcount = bfd_canonicalize_symtab (abfd, sy);
332 bfd_fatal (bfd_get_filename (abfd));
334 fprintf (stderr, "%s: %s: No symbols\n",
335 program_name, bfd_get_filename (abfd));
339 /* Read in the dynamic symbols. */
342 slurp_dynamic_symtab (abfd)
345 asymbol **sy = (asymbol **) NULL;
348 storage = bfd_get_dynamic_symtab_upper_bound (abfd);
351 if (!(bfd_get_file_flags (abfd) & DYNAMIC))
353 fprintf (stderr, "%s: %s: not a dynamic object\n",
354 program_name, bfd_get_filename (abfd));
359 bfd_fatal (bfd_get_filename (abfd));
364 sy = (asymbol **) xmalloc (storage);
366 dynsymcount = bfd_canonicalize_dynamic_symtab (abfd, sy);
368 bfd_fatal (bfd_get_filename (abfd));
369 if (dynsymcount == 0)
370 fprintf (stderr, "%s: %s: No dynamic symbols\n",
371 program_name, bfd_get_filename (abfd));
375 /* Filter out (in place) symbols that are useless for disassembly.
376 COUNT is the number of elements in SYMBOLS.
377 Return the number of useful symbols. */
380 remove_useless_symbols (symbols, count)
384 register asymbol **in_ptr = symbols, **out_ptr = symbols;
388 asymbol *sym = *in_ptr++;
390 if (sym->name == NULL || sym->name[0] == '\0')
392 if (sym->flags & (BSF_DEBUGGING))
394 if (bfd_is_und_section (sym->section)
395 || bfd_is_com_section (sym->section))
400 return out_ptr - symbols;
403 /* Sort symbols into value order. */
406 compare_symbols (ap, bp)
410 const asymbol *a = *(const asymbol **)ap;
411 const asymbol *b = *(const asymbol **)bp;
415 flagword aflags, bflags;
417 if (bfd_asymbol_value (a) > bfd_asymbol_value (b))
419 else if (bfd_asymbol_value (a) < bfd_asymbol_value (b))
422 if (a->section > b->section)
424 else if (a->section < b->section)
427 an = bfd_asymbol_name (a);
428 bn = bfd_asymbol_name (b);
432 /* The symbols gnu_compiled and gcc2_compiled convey no real
433 information, so put them after other symbols with the same value. */
435 af = (strstr (an, "gnu_compiled") != NULL
436 || strstr (an, "gcc2_compiled") != NULL);
437 bf = (strstr (bn, "gnu_compiled") != NULL
438 || strstr (bn, "gcc2_compiled") != NULL);
445 /* We use a heuristic for the file name, to try to sort it after
446 more useful symbols. It may not work on non Unix systems, but it
447 doesn't really matter; the only difference is precisely which
448 symbol names get printed. */
450 #define file_symbol(s, sn, snl) \
451 (((s)->flags & BSF_FILE) != 0 \
452 || ((sn)[(snl) - 2] == '.' \
453 && ((sn)[(snl) - 1] == 'o' \
454 || (sn)[(snl) - 1] == 'a')))
456 af = file_symbol (a, an, anl);
457 bf = file_symbol (b, bn, bnl);
464 /* Try to sort global symbols before local symbols before function
465 symbols before debugging symbols. */
470 if ((aflags & BSF_DEBUGGING) != (bflags & BSF_DEBUGGING))
472 if ((aflags & BSF_DEBUGGING) != 0)
477 if ((aflags & BSF_FUNCTION) != (bflags & BSF_FUNCTION))
479 if ((aflags & BSF_FUNCTION) != 0)
484 if ((aflags & BSF_LOCAL) != (bflags & BSF_LOCAL))
486 if ((aflags & BSF_LOCAL) != 0)
491 if ((aflags & BSF_GLOBAL) != (bflags & BSF_GLOBAL))
493 if ((aflags & BSF_GLOBAL) != 0)
499 /* Symbols that start with '.' might be section names, so sort them
500 after symbols that don't start with '.'. */
501 if (an[0] == '.' && bn[0] != '.')
503 if (an[0] != '.' && bn[0] == '.')
506 /* Finally, if we can't distinguish them in any other way, try to
507 get consistent results by sorting the symbols by name. */
508 return strcmp (an, bn);
511 /* Sort relocs into address order. */
514 compare_relocs (ap, bp)
518 const arelent *a = *(const arelent **)ap;
519 const arelent *b = *(const arelent **)bp;
521 if (a->address > b->address)
523 else if (a->address < b->address)
526 /* So that associated relocations tied to the same address show up
527 in the correct order, we don't do any further sorting. */
536 /* Print VMA to STREAM. If SKIP_ZEROES is true, omit leading zeroes. */
539 objdump_print_value (vma, info, skip_zeroes)
541 struct disassemble_info *info;
547 sprintf_vma (buf, vma);
552 for (p = buf; *p == '0'; ++p)
557 (*info->fprintf_func) (info->stream, "%s", p);
560 /* Locate a symbol given a bfd, a section, and a VMA. If REQUIRE_SEC
561 is true, then always require the symbol to be in the section. This
562 returns NULL if there is no suitable symbol. If PLACE is not NULL,
563 then *PLACE is set to the index of the symbol in sorted_syms. */
566 find_symbol_for_address (abfd, sec, vma, require_sec, place)
573 /* @@ Would it speed things up to cache the last two symbols returned,
574 and maybe their address ranges? For many processors, only one memory
575 operand can be present at a time, so the 2-entry cache wouldn't be
576 constantly churned by code doing heavy memory accesses. */
578 /* Indices in `sorted_syms'. */
580 long max = sorted_symcount;
583 if (sorted_symcount < 1)
586 /* Perform a binary search looking for the closest symbol to the
587 required value. We are searching the range (min, max]. */
588 while (min + 1 < max)
592 thisplace = (max + min) / 2;
593 sym = sorted_syms[thisplace];
595 if (bfd_asymbol_value (sym) > vma)
597 else if (bfd_asymbol_value (sym) < vma)
606 /* The symbol we want is now in min, the low end of the range we
607 were searching. If there are several symbols with the same
608 value, we want the first one. */
611 && (bfd_asymbol_value (sorted_syms[thisplace])
612 == bfd_asymbol_value (sorted_syms[thisplace - 1])))
615 /* If the file is relocateable, and the symbol could be from this
616 section, prefer a symbol from this section over symbols from
617 others, even if the other symbol's value might be closer.
619 Note that this may be wrong for some symbol references if the
620 sections have overlapping memory ranges, but in that case there's
621 no way to tell what's desired without looking at the relocation
624 if (sorted_syms[thisplace]->section != sec
626 || ((abfd->flags & HAS_RELOC) != 0
627 && vma >= bfd_get_section_vma (abfd, sec)
628 && vma < (bfd_get_section_vma (abfd, sec)
629 + bfd_section_size (abfd, sec)))))
633 for (i = thisplace + 1; i < sorted_symcount; i++)
635 if (bfd_asymbol_value (sorted_syms[i])
636 != bfd_asymbol_value (sorted_syms[thisplace]))
642 if (sorted_syms[i]->section == sec
644 || sorted_syms[i - 1]->section != sec
645 || (bfd_asymbol_value (sorted_syms[i])
646 != bfd_asymbol_value (sorted_syms[i - 1]))))
653 if (sorted_syms[thisplace]->section != sec)
655 /* We didn't find a good symbol with a smaller value.
656 Look for one with a larger value. */
657 for (i = thisplace + 1; i < sorted_symcount; i++)
659 if (sorted_syms[i]->section == sec)
667 if (sorted_syms[thisplace]->section != sec
669 || ((abfd->flags & HAS_RELOC) != 0
670 && vma >= bfd_get_section_vma (abfd, sec)
671 && vma < (bfd_get_section_vma (abfd, sec)
672 + bfd_section_size (abfd, sec)))))
674 /* There is no suitable symbol. */
682 return sorted_syms[thisplace];
685 /* Print an address to INFO symbolically. */
688 objdump_print_addr_with_sym (abfd, sec, sym, vma, info, skip_zeroes)
693 struct disassemble_info *info;
696 objdump_print_value (vma, info, skip_zeroes);
702 (*info->fprintf_func) (info->stream, " <%s",
703 bfd_get_section_name (abfd, sec));
704 secaddr = bfd_get_section_vma (abfd, sec);
707 (*info->fprintf_func) (info->stream, "-");
708 objdump_print_value (secaddr - vma, info, true);
710 else if (vma > secaddr)
712 (*info->fprintf_func) (info->stream, "+");
713 objdump_print_value (vma - secaddr, info, true);
715 (*info->fprintf_func) (info->stream, ">");
719 (*info->fprintf_func) (info->stream, " <%s", sym->name);
720 if (bfd_asymbol_value (sym) > vma)
722 (*info->fprintf_func) (info->stream, "-");
723 objdump_print_value (bfd_asymbol_value (sym) - vma, info, true);
725 else if (vma > bfd_asymbol_value (sym))
727 (*info->fprintf_func) (info->stream, "+");
728 objdump_print_value (vma - bfd_asymbol_value (sym), info, true);
730 (*info->fprintf_func) (info->stream, ">");
734 /* Print VMA to INFO, symbolically if possible. If SKIP_ZEROES is
735 true, don't output leading zeroes. */
738 objdump_print_addr (vma, info, skip_zeroes)
740 struct disassemble_info *info;
743 struct objdump_disasm_info *aux;
746 if (sorted_symcount < 1)
748 objdump_print_value (vma, info, skip_zeroes);
752 aux = (struct objdump_disasm_info *) info->application_data;
753 sym = find_symbol_for_address (aux->abfd, aux->sec, vma, aux->require_sec,
755 objdump_print_addr_with_sym (aux->abfd, aux->sec, sym, vma, info,
759 /* Print VMA to INFO. This function is passed to the disassembler
763 objdump_print_address (vma, info)
765 struct disassemble_info *info;
767 objdump_print_addr (vma, info, ! prefix_addresses);
770 /* Hold the last function name and the last line number we displayed
773 static char *prev_functionname;
774 static unsigned int prev_line;
776 /* We keep a list of all files that we have seen when doing a
777 dissassembly with source, so that we know how much of the file to
778 display. This can be important for inlined functions. */
780 struct print_file_list
782 struct print_file_list *next;
788 static struct print_file_list *print_files;
790 /* The number of preceding context lines to show when we start
791 displaying a file for the first time. */
793 #define SHOW_PRECEDING_CONTEXT_LINES (5)
795 /* Skip ahead to a given line in a file, optionally printing each
799 skip_to_line PARAMS ((struct print_file_list *, unsigned int, boolean));
802 skip_to_line (p, line, show)
803 struct print_file_list *p;
807 while (p->line < line)
811 if (fgets (buf, sizeof buf, p->f) == NULL)
821 if (strchr (buf, '\n') != NULL)
826 /* Show the line number, or the source line, in a dissassembly
830 show_line (abfd, section, off)
835 CONST char *filename;
836 CONST char *functionname;
839 if (! with_line_numbers && ! with_source_code)
842 if (! bfd_find_nearest_line (abfd, section, syms, off, &filename,
843 &functionname, &line))
846 if (filename != NULL && *filename == '\0')
848 if (functionname != NULL && *functionname == '\0')
851 if (with_line_numbers)
853 if (functionname != NULL
854 && (prev_functionname == NULL
855 || strcmp (functionname, prev_functionname) != 0))
856 printf ("%s():\n", functionname);
857 if (line > 0 && line != prev_line)
858 printf ("%s:%u\n", filename == NULL ? "???" : filename, line);
865 struct print_file_list **pp, *p;
867 for (pp = &print_files; *pp != NULL; pp = &(*pp)->next)
868 if (strcmp ((*pp)->filename, filename) == 0)
874 if (p != print_files)
878 /* We have reencountered a file name which we saw
879 earlier. This implies that either we are dumping out
880 code from an included file, or the same file was
881 linked in more than once. There are two common cases
882 of an included file: inline functions in a header
883 file, and a bison or flex skeleton file. In the
884 former case we want to just start printing (but we
885 back up a few lines to give context); in the latter
886 case we want to continue from where we left off. I
887 can't think of a good way to distinguish the cases,
888 so I used a heuristic based on the file name. */
889 if (strcmp (p->filename + strlen (p->filename) - 2, ".h") != 0)
893 l = line - SHOW_PRECEDING_CONTEXT_LINES;
900 p->f = fopen (p->filename, "r");
904 skip_to_line (p, l, false);
906 if (print_files->f != NULL)
908 fclose (print_files->f);
909 print_files->f = NULL;
915 skip_to_line (p, line, true);
917 p->next = print_files;
925 f = fopen (filename, "r");
930 p = ((struct print_file_list *)
931 xmalloc (sizeof (struct print_file_list)));
932 p->filename = xmalloc (strlen (filename) + 1);
933 strcpy (p->filename, filename);
937 if (print_files != NULL && print_files->f != NULL)
939 fclose (print_files->f);
940 print_files->f = NULL;
942 p->next = print_files;
945 l = line - SHOW_PRECEDING_CONTEXT_LINES;
948 skip_to_line (p, l, false);
950 skip_to_line (p, line, true);
955 if (functionname != NULL
956 && (prev_functionname == NULL
957 || strcmp (functionname, prev_functionname) != 0))
959 if (prev_functionname != NULL)
960 free (prev_functionname);
961 prev_functionname = xmalloc (strlen (functionname) + 1);
962 strcpy (prev_functionname, functionname);
965 if (line > 0 && line != prev_line)
969 /* Pseudo FILE object for strings. */
975 /* sprintf to a "stream" */
977 #ifdef ANSI_PROTOTYPES
979 objdump_sprintf (SFILE *f, const char *format, ...)
984 va_start (args, format);
985 vsprintf (f->current, format, args);
986 f->current += n = strlen (f->current);
992 objdump_sprintf (va_alist)
1001 f = va_arg (args, SFILE *);
1002 format = va_arg (args, const char *);
1003 vsprintf (f->current, format, args);
1004 f->current += n = strlen (f->current);
1010 /* The number of zeroes we want to see before we start skipping them.
1011 The number is arbitrarily chosen. */
1013 #define SKIP_ZEROES (8)
1015 /* The number of zeroes to skip at the end of a section. If the
1016 number of zeroes at the end is between SKIP_ZEROES_AT_END and
1017 SKIP_ZEROES, they will be disassembled. If there are fewer than
1018 SKIP_ZEROES_AT_END, they will be skipped. This is a heuristic
1019 attempt to avoid disassembling zeroes inserted by section
1022 #define SKIP_ZEROES_AT_END (3)
1024 /* Disassemble some data in memory between given values. */
1027 disassemble_bytes (info, disassemble_fn, insns, data, start, stop, relppp,
1029 struct disassemble_info *info;
1030 disassembler_ftype disassemble_fn;
1038 struct objdump_disasm_info *aux;
1042 int skip_addr_chars;
1045 aux = (struct objdump_disasm_info *) info->application_data;
1051 bytes_per_line = 16;
1053 /* Figure out how many characters to skip at the start of an
1054 address, to make the disassembly look nicer. We discard leading
1055 zeroes in chunks of 4, ensuring that there is always a leading
1057 skip_addr_chars = 0;
1058 if (! prefix_addresses)
1064 section->vma + bfd_section_size (section->owner, section));
1066 while (s[0] == '0' && s[1] == '0' && s[2] == '0' && s[3] == '0'
1069 skip_addr_chars += 4;
1074 info->insn_info_valid = 0;
1082 boolean need_nl = false;
1084 /* If we see more than SKIP_ZEROES bytes of zeroes, we just
1086 for (z = i; z < stop; z++)
1089 if (! disassemble_zeroes
1090 && (info->insn_info_valid == 0
1091 || info->branch_delay_insns == 0)
1092 && (z - i >= SKIP_ZEROES
1093 || (z == stop && z - i < SKIP_ZEROES_AT_END)))
1097 /* If there are more nonzero bytes to follow, we only skip
1098 zeroes in multiples of 4, to try to avoid running over
1099 the start of an instruction which happens to start with
1102 z = i + ((z - i) &~ 3);
1114 if (with_line_numbers || with_source_code)
1115 show_line (aux->abfd, section, i);
1117 if (! prefix_addresses)
1121 sprintf_vma (buf, section->vma + i);
1122 for (s = buf + skip_addr_chars; *s == '0'; s++)
1126 printf ("%s:\t", buf + skip_addr_chars);
1130 aux->require_sec = true;
1131 objdump_print_address (section->vma + i, info);
1132 aux->require_sec = false;
1138 sfile.buffer = sfile.current = buf;
1139 info->fprintf_func = (fprintf_ftype) objdump_sprintf;
1140 info->stream = (FILE *) &sfile;
1141 info->bytes_per_line = 0;
1142 bytes = (*disassemble_fn) (section->vma + i, info);
1143 info->fprintf_func = (fprintf_ftype) fprintf;
1144 info->stream = stdout;
1145 if (info->bytes_per_line != 0)
1146 bytes_per_line = info->bytes_per_line;
1154 bytes = bytes_per_line;
1155 if (i + bytes > stop)
1158 for (j = i; j < i + bytes; ++j)
1160 if (isprint (data[j]))
1161 buf[j - i] = data[j];
1168 if (! prefix_addresses || show_raw_insn)
1172 /* If ! prefix_addresses and ! wide_output, we print
1173 four bytes per line. */
1175 if (pb > bytes_per_line && ! prefix_addresses && ! wide_output)
1176 pb = bytes_per_line;
1178 for (j = i; j < i + pb; ++j)
1180 printf ("%02x", (unsigned) data[j]);
1184 for (; pb < bytes_per_line; ++pb)
1187 /* Separate raw data from instruction by extra space. */
1196 if (! prefix_addresses || show_raw_insn)
1206 sprintf_vma (buf, section->vma + j);
1207 for (s = buf + skip_addr_chars; *s == '0'; s++)
1211 printf ("%s:\t", buf + skip_addr_chars);
1213 pb += bytes_per_line;
1216 for (; j < i + pb; ++j)
1218 printf ("%02x", (unsigned) data[j]);
1231 && (section->flags & SEC_RELOC) != 0)
1233 while ((*relppp) < relppend
1234 && ((**relppp)->address >= (bfd_vma) i
1235 && (**relppp)->address < (bfd_vma) i + bytes))
1238 const char *sym_name;
1247 objdump_print_value (section->vma + q->address, info, true);
1249 printf (": %s\t", q->howto->name);
1251 if (q->sym_ptr_ptr != NULL
1252 && *q->sym_ptr_ptr != NULL)
1254 sym_name = bfd_asymbol_name (*q->sym_ptr_ptr);
1255 if (sym_name == NULL || *sym_name == '\0')
1259 sym_sec = bfd_get_section (*q->sym_ptr_ptr);
1260 sym_name = bfd_get_section_name (abfd, sym_sec);
1261 if (sym_name == NULL || *sym_name == '\0')
1262 sym_name = "*unknown*";
1266 sym_name = "*unknown*";
1268 printf ("%s", sym_name);
1273 objdump_print_value (q->addend, info, true);
1289 /* Disassemble the contents of an object file. */
1292 disassemble_data (abfd)
1296 disassembler_ftype disassemble_fn;
1297 struct disassemble_info disasm_info;
1298 struct objdump_disasm_info aux;
1302 prev_functionname = NULL;
1305 /* We make a copy of syms to sort. We don't want to sort syms
1306 because that will screw up the relocs. */
1307 sorted_syms = (asymbol **) xmalloc (symcount * sizeof (asymbol *));
1308 memcpy (sorted_syms, syms, symcount * sizeof (asymbol *));
1310 sorted_symcount = remove_useless_symbols (sorted_syms, symcount);
1312 /* Sort the symbols into section and symbol order */
1313 qsort (sorted_syms, sorted_symcount, sizeof (asymbol *), compare_symbols);
1315 INIT_DISASSEMBLE_INFO(disasm_info, stdout, fprintf);
1316 disasm_info.application_data = (PTR) &aux;
1318 aux.require_sec = false;
1319 disasm_info.print_address_func = objdump_print_address;
1321 if (machine != (char *) NULL)
1323 const bfd_arch_info_type *info = bfd_scan_arch (machine);
1326 fprintf (stderr, "%s: Can't use supplied machine %s\n",
1331 abfd->arch_info = info;
1334 if (endian != BFD_ENDIAN_UNKNOWN)
1336 struct bfd_target *xvec;
1338 xvec = (struct bfd_target *) xmalloc (sizeof (struct bfd_target));
1339 memcpy (xvec, abfd->xvec, sizeof (struct bfd_target));
1340 xvec->byteorder = endian;
1344 disassemble_fn = disassembler (abfd);
1345 if (!disassemble_fn)
1347 fprintf (stderr, "%s: Can't disassemble for architecture %s\n",
1349 bfd_printable_arch_mach (bfd_get_arch (abfd), 0));
1353 disasm_info.flavour = bfd_get_flavour (abfd);
1354 disasm_info.arch = bfd_get_arch (abfd);
1355 disasm_info.mach = bfd_get_mach (abfd);
1356 if (bfd_big_endian (abfd))
1357 disasm_info.endian = BFD_ENDIAN_BIG;
1358 else if (bfd_little_endian (abfd))
1359 disasm_info.endian = BFD_ENDIAN_LITTLE;
1361 /* ??? Aborting here seems too drastic. We could default to big or little
1363 disasm_info.endian = BFD_ENDIAN_UNKNOWN;
1365 for (section = abfd->sections;
1366 section != (asection *) NULL;
1367 section = section->next)
1369 bfd_byte *data = NULL;
1370 bfd_size_type datasize = 0;
1371 arelent **relbuf = NULL;
1372 arelent **relpp = NULL;
1373 arelent **relppend = NULL;
1376 if ((section->flags & SEC_LOAD) == 0
1377 || (! disassemble_all
1379 && (section->flags & SEC_CODE) == 0))
1381 if (only != (char *) NULL && strcmp (only, section->name) != 0)
1385 && (section->flags & SEC_RELOC) != 0)
1389 relsize = bfd_get_reloc_upper_bound (abfd, section);
1391 bfd_fatal (bfd_get_filename (abfd));
1397 relbuf = (arelent **) xmalloc (relsize);
1398 relcount = bfd_canonicalize_reloc (abfd, section, relbuf, syms);
1400 bfd_fatal (bfd_get_filename (abfd));
1402 /* Sort the relocs by address. */
1403 qsort (relbuf, relcount, sizeof (arelent *), compare_relocs);
1406 relppend = relpp + relcount;
1410 printf ("Disassembly of section %s:\n", section->name);
1412 datasize = bfd_get_section_size_before_reloc (section);
1416 data = (bfd_byte *) xmalloc ((size_t) datasize);
1418 bfd_get_section_contents (abfd, section, data, 0, datasize);
1421 disasm_info.buffer = data;
1422 disasm_info.buffer_vma = section->vma;
1423 disasm_info.buffer_length = datasize;
1424 if (start_address == (bfd_vma) -1
1425 || start_address < disasm_info.buffer_vma)
1428 i = start_address - disasm_info.buffer_vma;
1429 if (stop_address == (bfd_vma) -1)
1433 if (stop_address < disasm_info.buffer_vma)
1436 stop = stop_address - disasm_info.buffer_vma;
1437 if (stop > disasm_info.buffer_length)
1438 stop = disasm_info.buffer_length;
1441 if (prefix_addresses)
1442 disassemble_bytes (&disasm_info, disassemble_fn, true, data, i, stop,
1449 sym = find_symbol_for_address (abfd, section, i, true, &place);
1457 disasm_info.symbol = sym;
1460 objdump_print_addr_with_sym (abfd, section, sym,
1470 while (place < sorted_symcount
1471 && (sorted_syms[place]->section != section
1472 || (bfd_asymbol_value (sorted_syms[place])
1473 <= bfd_asymbol_value (sym))))
1475 if (place >= sorted_symcount)
1478 nextsym = sorted_syms[place];
1481 if (nextsym == NULL)
1485 nextstop = bfd_asymbol_value (nextsym) - section->vma;
1486 if (nextstop > stop)
1490 /* If a symbol is explicitly marked as being an object
1491 rather than a function, just dump the bytes without
1492 disassembling them. */
1495 || ((sym->flags & BSF_OBJECT) == 0
1496 && (strstr (bfd_asymbol_name (sym), "gnu_compiled")
1498 && (strstr (bfd_asymbol_name (sym), "gcc2_compiled")
1500 || (sym->flags & BSF_FUNCTION) != 0)
1505 disassemble_bytes (&disasm_info, disassemble_fn, insns, data, i,
1506 nextstop, &relpp, relppend);
1521 /* Define a table of stab values and print-strings. We wish the initializer
1522 could be a direct-mapped table, but instead we build one the first
1525 static void dump_section_stabs PARAMS ((bfd *abfd, char *stabsect_name,
1526 char *strsect_name));
1528 /* Dump the stabs sections from an object file that has a section that
1529 uses Sun stabs encoding. */
1535 dump_section_stabs (abfd, ".stab", ".stabstr");
1536 dump_section_stabs (abfd, ".stab.excl", ".stab.exclstr");
1537 dump_section_stabs (abfd, ".stab.index", ".stab.indexstr");
1538 dump_section_stabs (abfd, "$GDB_SYMBOLS$", "$GDB_STRINGS$");
1541 static bfd_byte *stabs;
1542 static bfd_size_type stab_size;
1544 static char *strtab;
1545 static bfd_size_type stabstr_size;
1547 /* Read ABFD's stabs section STABSECT_NAME into `stabs'
1548 and string table section STRSECT_NAME into `strtab'.
1549 If the section exists and was read, allocate the space and return true.
1550 Otherwise return false. */
1553 read_section_stabs (abfd, stabsect_name, strsect_name)
1555 char *stabsect_name;
1558 asection *stabsect, *stabstrsect;
1560 stabsect = bfd_get_section_by_name (abfd, stabsect_name);
1563 printf ("No %s section present\n\n", stabsect_name);
1567 stabstrsect = bfd_get_section_by_name (abfd, strsect_name);
1568 if (0 == stabstrsect)
1570 fprintf (stderr, "%s: %s has no %s section\n", program_name,
1571 bfd_get_filename (abfd), strsect_name);
1575 stab_size = bfd_section_size (abfd, stabsect);
1576 stabstr_size = bfd_section_size (abfd, stabstrsect);
1578 stabs = (bfd_byte *) xmalloc (stab_size);
1579 strtab = (char *) xmalloc (stabstr_size);
1581 if (! bfd_get_section_contents (abfd, stabsect, (PTR) stabs, 0, stab_size))
1583 fprintf (stderr, "%s: Reading %s section of %s failed: %s\n",
1584 program_name, stabsect_name, bfd_get_filename (abfd),
1585 bfd_errmsg (bfd_get_error ()));
1591 if (! bfd_get_section_contents (abfd, stabstrsect, (PTR) strtab, 0,
1594 fprintf (stderr, "%s: Reading %s section of %s failed: %s\n",
1595 program_name, strsect_name, bfd_get_filename (abfd),
1596 bfd_errmsg (bfd_get_error ()));
1605 /* Stabs entries use a 12 byte format:
1606 4 byte string table index
1608 1 byte stab other field
1609 2 byte stab desc field
1611 FIXME: This will have to change for a 64 bit object format. */
1613 #define STRDXOFF (0)
1615 #define OTHEROFF (5)
1618 #define STABSIZE (12)
1620 /* Print ABFD's stabs section STABSECT_NAME (in `stabs'),
1621 using string table section STRSECT_NAME (in `strtab'). */
1624 print_section_stabs (abfd, stabsect_name, strsect_name)
1626 char *stabsect_name;
1630 unsigned file_string_table_offset = 0, next_file_string_table_offset = 0;
1631 bfd_byte *stabp, *stabs_end;
1634 stabs_end = stabp + stab_size;
1636 printf ("Contents of %s section:\n\n", stabsect_name);
1637 printf ("Symnum n_type n_othr n_desc n_value n_strx String\n");
1639 /* Loop through all symbols and print them.
1641 We start the index at -1 because there is a dummy symbol on
1642 the front of stabs-in-{coff,elf} sections that supplies sizes. */
1644 for (i = -1; stabp < stabs_end; stabp += STABSIZE, i++)
1648 unsigned char type, other;
1649 unsigned short desc;
1652 strx = bfd_h_get_32 (abfd, stabp + STRDXOFF);
1653 type = bfd_h_get_8 (abfd, stabp + TYPEOFF);
1654 other = bfd_h_get_8 (abfd, stabp + OTHEROFF);
1655 desc = bfd_h_get_16 (abfd, stabp + DESCOFF);
1656 value = bfd_h_get_32 (abfd, stabp + VALOFF);
1658 printf ("\n%-6d ", i);
1659 /* Either print the stab name, or, if unnamed, print its number
1660 again (makes consistent formatting for tools like awk). */
1661 name = bfd_get_stab_name (type);
1663 printf ("%-6s", name);
1664 else if (type == N_UNDF)
1667 printf ("%-6d", type);
1668 printf (" %-6d %-6d ", other, desc);
1670 printf (" %-6lu", strx);
1672 /* Symbols with type == 0 (N_UNDF) specify the length of the
1673 string table associated with this file. We use that info
1674 to know how to relocate the *next* file's string table indices. */
1678 file_string_table_offset = next_file_string_table_offset;
1679 next_file_string_table_offset += value;
1683 /* Using the (possibly updated) string table offset, print the
1684 string (if any) associated with this symbol. */
1686 if ((strx + file_string_table_offset) < stabstr_size)
1687 printf (" %s", &strtab[strx + file_string_table_offset]);
1696 dump_section_stabs (abfd, stabsect_name, strsect_name)
1698 char *stabsect_name;
1703 /* Check for section names for which stabsect_name is a prefix, to
1704 handle .stab0, etc. */
1705 for (s = abfd->sections;
1711 len = strlen (stabsect_name);
1713 /* If the prefix matches, and the files section name ends with a nul or a digit,
1714 then we match. Ie: we want either an exact match or a a section followed by
1716 if (strncmp (stabsect_name, s->name, len) == 0
1717 && (s->name[len] == '\000' || isdigit (s->name[len])))
1719 if (read_section_stabs (abfd, s->name, strsect_name))
1721 print_section_stabs (abfd, s->name, strsect_name);
1730 dump_bfd_header (abfd)
1735 printf ("architecture: %s, ",
1736 bfd_printable_arch_mach (bfd_get_arch (abfd),
1737 bfd_get_mach (abfd)));
1738 printf ("flags 0x%08x:\n", abfd->flags);
1740 #define PF(x, y) if (abfd->flags & x) {printf("%s%s", comma, y); comma=", ";}
1741 PF (HAS_RELOC, "HAS_RELOC");
1742 PF (EXEC_P, "EXEC_P");
1743 PF (HAS_LINENO, "HAS_LINENO");
1744 PF (HAS_DEBUG, "HAS_DEBUG");
1745 PF (HAS_SYMS, "HAS_SYMS");
1746 PF (HAS_LOCALS, "HAS_LOCALS");
1747 PF (DYNAMIC, "DYNAMIC");
1748 PF (WP_TEXT, "WP_TEXT");
1749 PF (D_PAGED, "D_PAGED");
1750 PF (BFD_IS_RELAXABLE, "BFD_IS_RELAXABLE");
1751 printf ("\nstart address 0x");
1752 printf_vma (abfd->start_address);
1757 dump_bfd_private_header (abfd)
1760 bfd_print_private_bfd_data (abfd, stdout);
1769 if (!bfd_check_format_matches (abfd, bfd_object, &matching))
1771 bfd_nonfatal (bfd_get_filename (abfd));
1772 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1774 list_matching_formats (matching);
1780 printf ("\n%s: file format %s\n", bfd_get_filename (abfd),
1783 print_arelt_descr (stdout, abfd, true);
1784 if (dump_file_header)
1785 dump_bfd_header (abfd);
1786 if (dump_private_headers)
1787 dump_bfd_private_header (abfd);
1789 if (dump_section_headers)
1790 dump_headers (abfd);
1791 if (dump_symtab || dump_reloc_info || disassemble || dump_debugging)
1793 syms = slurp_symtab (abfd);
1795 if (dump_dynamic_symtab || dump_dynamic_reloc_info)
1797 dynsyms = slurp_dynamic_symtab (abfd);
1800 dump_symbols (abfd, false);
1801 if (dump_dynamic_symtab)
1802 dump_symbols (abfd, true);
1803 if (dump_stab_section_info)
1805 if (dump_reloc_info && ! disassemble)
1807 if (dump_dynamic_reloc_info)
1808 dump_dynamic_relocs (abfd);
1809 if (dump_section_contents)
1812 disassemble_data (abfd);
1817 dhandle = read_debugging_info (abfd, syms, symcount);
1818 if (dhandle != NULL)
1820 if (! print_debugging_info (stdout, dhandle))
1821 fprintf (stderr, "%s: printing debugging information failed\n",
1822 bfd_get_filename (abfd));
1838 display_file (filename, target)
1842 bfd *file, *arfile = (bfd *) NULL;
1844 file = bfd_openr (filename, target);
1847 bfd_nonfatal (filename);
1851 if (bfd_check_format (file, bfd_archive) == true)
1853 bfd *last_arfile = NULL;
1855 printf ("In archive %s:\n", bfd_get_filename (file));
1858 bfd_set_error (bfd_error_no_error);
1860 arfile = bfd_openr_next_archived_file (file, arfile);
1863 if (bfd_get_error () != bfd_error_no_more_archived_files)
1865 bfd_nonfatal (bfd_get_filename (file));
1870 display_bfd (arfile);
1872 if (last_arfile != NULL)
1873 bfd_close (last_arfile);
1874 last_arfile = arfile;
1877 if (last_arfile != NULL)
1878 bfd_close (last_arfile);
1886 /* Actually display the various requested regions */
1894 bfd_size_type datasize = 0;
1896 bfd_size_type start, stop;
1898 for (section = abfd->sections; section != NULL; section =
1903 if (only == (char *) NULL ||
1904 strcmp (only, section->name) == 0)
1906 if (section->flags & SEC_HAS_CONTENTS)
1908 printf ("Contents of section %s:\n", section->name);
1910 if (bfd_section_size (abfd, section) == 0)
1912 data = (bfd_byte *) xmalloc ((size_t) bfd_section_size (abfd, section));
1913 datasize = bfd_section_size (abfd, section);
1916 bfd_get_section_contents (abfd, section, (PTR) data, 0, bfd_section_size (abfd, section));
1918 if (start_address == (bfd_vma) -1
1919 || start_address < section->vma)
1922 start = start_address - section->vma;
1923 if (stop_address == (bfd_vma) -1)
1924 stop = bfd_section_size (abfd, section);
1927 if (stop_address < section->vma)
1930 stop = stop_address - section->vma;
1931 if (stop > bfd_section_size (abfd, section))
1932 stop = bfd_section_size (abfd, section);
1934 for (i = start; i < stop; i += onaline)
1938 printf (" %04lx ", (unsigned long int) (i + section->vma));
1939 for (j = i; j < i + onaline; j++)
1942 printf ("%02x", (unsigned) (data[j]));
1950 for (j = i; j < i + onaline; j++)
1955 printf ("%c", isprint (data[j]) ? data[j] : '.');
1965 /* Should perhaps share code and display with nm? */
1967 dump_symbols (abfd, dynamic)
1981 printf ("DYNAMIC SYMBOL TABLE:\n");
1989 printf ("SYMBOL TABLE:\n");
1992 for (count = 0; count < max; count++)
1996 bfd *cur_bfd = bfd_asymbol_bfd(*current);
1999 bfd_print_symbol (cur_bfd,
2001 *current, bfd_print_symbol_all);
2019 for (a = abfd->sections; a != (asection *) NULL; a = a->next)
2023 if (bfd_is_abs_section (a))
2025 if (bfd_is_und_section (a))
2027 if (bfd_is_com_section (a))
2032 if (strcmp (only, a->name))
2035 else if ((a->flags & SEC_RELOC) == 0)
2038 relsize = bfd_get_reloc_upper_bound (abfd, a);
2040 bfd_fatal (bfd_get_filename (abfd));
2042 printf ("RELOCATION RECORDS FOR [%s]:", a->name);
2046 printf (" (none)\n\n");
2050 relpp = (arelent **) xmalloc (relsize);
2051 relcount = bfd_canonicalize_reloc (abfd, a, relpp, syms);
2053 bfd_fatal (bfd_get_filename (abfd));
2054 else if (relcount == 0)
2056 printf (" (none)\n\n");
2061 dump_reloc_set (abfd, a, relpp, relcount);
2070 dump_dynamic_relocs (abfd)
2077 relsize = bfd_get_dynamic_reloc_upper_bound (abfd);
2079 bfd_fatal (bfd_get_filename (abfd));
2081 printf ("DYNAMIC RELOCATION RECORDS");
2085 printf (" (none)\n\n");
2089 relpp = (arelent **) xmalloc (relsize);
2090 relcount = bfd_canonicalize_dynamic_reloc (abfd, relpp, dynsyms);
2092 bfd_fatal (bfd_get_filename (abfd));
2093 else if (relcount == 0)
2095 printf (" (none)\n\n");
2100 dump_reloc_set (abfd, (asection *) NULL, relpp, relcount);
2108 dump_reloc_set (abfd, sec, relpp, relcount)
2115 char *last_filename, *last_functionname;
2116 unsigned int last_line;
2118 /* Get column headers lined up reasonably. */
2124 sprintf_vma (buf, (bfd_vma) -1);
2125 width = strlen (buf) - 7;
2127 printf ("OFFSET %*s TYPE %*s VALUE \n", width, "", 12, "");
2130 last_filename = NULL;
2131 last_functionname = NULL;
2134 for (p = relpp; relcount && *p != (arelent *) NULL; p++, relcount--)
2137 const char *filename, *functionname;
2139 const char *sym_name;
2140 const char *section_name;
2142 if (start_address != (bfd_vma) -1
2143 && q->address < start_address)
2145 if (stop_address != (bfd_vma) -1
2146 && q->address > stop_address)
2149 if (with_line_numbers
2151 && bfd_find_nearest_line (abfd, sec, syms, q->address,
2152 &filename, &functionname, &line))
2154 if (functionname != NULL
2155 && (last_functionname == NULL
2156 || strcmp (functionname, last_functionname) != 0))
2158 printf ("%s():\n", functionname);
2159 if (last_functionname != NULL)
2160 free (last_functionname);
2161 last_functionname = xstrdup (functionname);
2164 && (line != last_line
2165 || (filename != NULL
2166 && last_filename != NULL
2167 && strcmp (filename, last_filename) != 0)))
2169 printf ("%s:%u\n", filename == NULL ? "???" : filename, line);
2171 if (last_filename != NULL)
2172 free (last_filename);
2173 if (filename == NULL)
2174 last_filename = NULL;
2176 last_filename = xstrdup (filename);
2180 if (q->sym_ptr_ptr && *q->sym_ptr_ptr)
2182 sym_name = (*(q->sym_ptr_ptr))->name;
2183 section_name = (*(q->sym_ptr_ptr))->section->name;
2188 section_name = NULL;
2192 printf_vma (q->address);
2193 printf (" %-16s %s",
2199 if (section_name == (CONST char *) NULL)
2200 section_name = "*unknown*";
2201 printf_vma (q->address);
2202 printf (" %-16s [%s]",
2209 printf_vma (q->addend);
2215 /* The length of the longest architecture name + 1. */
2216 #define LONGEST_ARCH sizeof("rs6000:6000")
2219 endian_string (endian)
2220 enum bfd_endian endian;
2222 if (endian == BFD_ENDIAN_BIG)
2223 return "big endian";
2224 else if (endian == BFD_ENDIAN_LITTLE)
2225 return "little endian";
2227 return "endianness unknown";
2230 /* List the targets that BFD is configured to support, each followed
2231 by its endianness and the architectures it supports. */
2234 display_target_list ()
2236 extern bfd_target *bfd_target_vector[];
2240 dummy_name = choose_temp_base ();
2241 for (t = 0; bfd_target_vector[t]; t++)
2243 bfd_target *p = bfd_target_vector[t];
2244 bfd *abfd = bfd_openw (dummy_name, p->name);
2247 printf ("%s\n (header %s, data %s)\n", p->name,
2248 endian_string (p->header_byteorder),
2249 endian_string (p->byteorder));
2253 bfd_nonfatal (dummy_name);
2257 if (! bfd_set_format (abfd, bfd_object))
2259 if (bfd_get_error () != bfd_error_invalid_operation)
2260 bfd_nonfatal (p->name);
2264 for (a = (int) bfd_arch_obscure + 1; a < (int) bfd_arch_last; a++)
2265 if (bfd_set_arch_mach (abfd, (enum bfd_architecture) a, 0))
2267 bfd_printable_arch_mach ((enum bfd_architecture) a, 0));
2269 unlink (dummy_name);
2273 /* Print a table showing which architectures are supported for entries
2274 FIRST through LAST-1 of bfd_target_vector (targets across,
2275 architectures down). */
2278 display_info_table (first, last)
2282 extern bfd_target *bfd_target_vector[];
2286 /* Print heading of target names. */
2287 printf ("\n%*s", (int) LONGEST_ARCH, " ");
2288 for (t = first; t < last && bfd_target_vector[t]; t++)
2289 printf ("%s ", bfd_target_vector[t]->name);
2292 dummy_name = choose_temp_base ();
2293 for (a = (int) bfd_arch_obscure + 1; a < (int) bfd_arch_last; a++)
2294 if (strcmp (bfd_printable_arch_mach (a, 0), "UNKNOWN!") != 0)
2296 printf ("%*s ", (int) LONGEST_ARCH - 1,
2297 bfd_printable_arch_mach (a, 0));
2298 for (t = first; t < last && bfd_target_vector[t]; t++)
2300 bfd_target *p = bfd_target_vector[t];
2302 bfd *abfd = bfd_openw (dummy_name, p->name);
2306 bfd_nonfatal (p->name);
2312 if (! bfd_set_format (abfd, bfd_object))
2314 if (bfd_get_error () != bfd_error_invalid_operation)
2315 bfd_nonfatal (p->name);
2322 if (! bfd_set_arch_mach (abfd, a, 0))
2327 printf ("%s ", p->name);
2330 int l = strlen (p->name);
2338 unlink (dummy_name);
2342 /* Print tables of all the target-architecture combinations that
2343 BFD has been configured to support. */
2346 display_target_tables ()
2349 extern bfd_target *bfd_target_vector[];
2351 extern char *getenv ();
2354 colum = getenv ("COLUMNS");
2356 columns = atoi (colum);
2361 while (bfd_target_vector[t] != NULL)
2365 wid = LONGEST_ARCH + strlen (bfd_target_vector[t]->name) + 1;
2367 while (wid < columns && bfd_target_vector[t] != NULL)
2371 newwid = wid + strlen (bfd_target_vector[t]->name) + 1;
2372 if (newwid >= columns)
2377 display_info_table (oldt, t);
2384 printf ("BFD header file version %s\n", BFD_VERSION);
2385 display_target_list ();
2386 display_target_tables ();
2395 char *target = default_target;
2396 boolean seenflag = false;
2398 program_name = *argv;
2399 xmalloc_set_program_name (program_name);
2401 START_PROGRESS (program_name, 0);
2405 while ((c = getopt_long (argc, argv, "pib:m:VdDlfahrRtTxsSj:wE:",
2406 long_options, (int *) 0))
2409 if (c != 'l' && c != OPTION_START_ADDRESS && c != OPTION_STOP_ADDRESS)
2414 break; /* we've been given a long option */
2422 with_line_numbers = 1;
2428 dump_file_header = true;
2431 formats_info = true;
2434 dump_private_headers = 1;
2437 dump_private_headers = 1;
2439 dump_reloc_info = 1;
2440 dump_file_header = true;
2442 dump_section_headers = 1;
2448 dump_dynamic_symtab = 1;
2454 disassemble = disassemble_all = true;
2458 with_source_code = true;
2461 dump_section_contents = 1;
2464 dump_reloc_info = 1;
2467 dump_dynamic_reloc_info = 1;
2473 dump_section_headers = 1;
2483 case OPTION_START_ADDRESS:
2484 start_address = parse_vma (optarg, "--start-address");
2486 case OPTION_STOP_ADDRESS:
2487 stop_address = parse_vma (optarg, "--stop-address");
2490 if (strcmp (optarg, "B") == 0)
2491 endian = BFD_ENDIAN_BIG;
2492 else if (strcmp (optarg, "L") == 0)
2493 endian = BFD_ENDIAN_LITTLE;
2496 fprintf (stderr, "%s: unrecognized -E option\n", program_name);
2501 if (strncmp (optarg, "big", strlen (optarg)) == 0)
2502 endian = BFD_ENDIAN_BIG;
2503 else if (strncmp (optarg, "little", strlen (optarg)) == 0)
2504 endian = BFD_ENDIAN_LITTLE;
2507 fprintf (stderr, "%s: unrecognized --endian type `%s'\n",
2508 program_name, optarg);
2518 print_version ("objdump");
2520 if (seenflag == false)
2530 display_file ("a.out", target);
2532 for (; optind < argc;)
2533 display_file (argv[optind++], target);
2536 END_PROGRESS (program_name);