1 /* objdump.c -- dump information about an object file.
2 Copyright 1990, 91, 92, 93, 94, 95, 1996 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);
178 fprintf (stream, "Report bugs to bug-gnu-utils@prep.ai.mit.edu\n");
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)
1204 printf ("%6lx:\t", (unsigned long) (j - start));
1205 pb += bytes_per_line;
1208 for (; j < i + pb; ++j)
1210 printf ("%02x", (unsigned) data[j]);
1223 && (section->flags & SEC_RELOC) != 0)
1225 while ((*relppp) < relppend
1226 && ((**relppp)->address >= (bfd_vma) i
1227 && (**relppp)->address < (bfd_vma) i + bytes))
1230 const char *sym_name;
1239 objdump_print_value (section->vma + q->address, info, true);
1241 printf (": %s\t", q->howto->name);
1243 if (q->sym_ptr_ptr != NULL
1244 && *q->sym_ptr_ptr != NULL)
1246 sym_name = bfd_asymbol_name (*q->sym_ptr_ptr);
1247 if (sym_name == NULL || *sym_name == '\0')
1251 sym_sec = bfd_get_section (*q->sym_ptr_ptr);
1252 sym_name = bfd_get_section_name (abfd, sym_sec);
1253 if (sym_name == NULL || *sym_name == '\0')
1254 sym_name = "*unknown*";
1258 sym_name = "*unknown*";
1260 printf ("%s", sym_name);
1265 objdump_print_value (q->addend, info, true);
1281 /* Disassemble the contents of an object file. */
1284 disassemble_data (abfd)
1288 disassembler_ftype disassemble_fn;
1289 struct disassemble_info disasm_info;
1290 struct objdump_disasm_info aux;
1294 prev_functionname = NULL;
1297 /* We make a copy of syms to sort. We don't want to sort syms
1298 because that will screw up the relocs. */
1299 sorted_syms = (asymbol **) xmalloc (symcount * sizeof (asymbol *));
1300 memcpy (sorted_syms, syms, symcount * sizeof (asymbol *));
1302 sorted_symcount = remove_useless_symbols (sorted_syms, symcount);
1304 /* Sort the symbols into section and symbol order */
1305 qsort (sorted_syms, sorted_symcount, sizeof (asymbol *), compare_symbols);
1307 INIT_DISASSEMBLE_INFO(disasm_info, stdout, fprintf);
1308 disasm_info.application_data = (PTR) &aux;
1310 disasm_info.print_address_func = objdump_print_address;
1312 if (machine != (char *) NULL)
1314 const bfd_arch_info_type *info = bfd_scan_arch (machine);
1317 fprintf (stderr, "%s: Can't use supplied machine %s\n",
1322 abfd->arch_info = info;
1325 if (endian != BFD_ENDIAN_UNKNOWN)
1327 struct bfd_target *xvec;
1329 xvec = (struct bfd_target *) xmalloc (sizeof (struct bfd_target));
1330 memcpy (xvec, abfd->xvec, sizeof (struct bfd_target));
1331 xvec->byteorder = endian;
1335 disassemble_fn = disassembler (abfd);
1336 if (!disassemble_fn)
1338 fprintf (stderr, "%s: Can't disassemble for architecture %s\n",
1340 bfd_printable_arch_mach (bfd_get_arch (abfd), 0));
1344 disasm_info.flavour = bfd_get_flavour (abfd);
1345 disasm_info.arch = bfd_get_arch (abfd);
1346 disasm_info.mach = bfd_get_mach (abfd);
1347 if (bfd_big_endian (abfd))
1348 disasm_info.endian = BFD_ENDIAN_BIG;
1349 else if (bfd_little_endian (abfd))
1350 disasm_info.endian = BFD_ENDIAN_LITTLE;
1352 /* ??? Aborting here seems too drastic. We could default to big or little
1354 disasm_info.endian = BFD_ENDIAN_UNKNOWN;
1356 for (section = abfd->sections;
1357 section != (asection *) NULL;
1358 section = section->next)
1360 bfd_byte *data = NULL;
1361 bfd_size_type datasize = 0;
1362 arelent **relbuf = NULL;
1363 arelent **relpp = NULL;
1364 arelent **relppend = NULL;
1367 if ((section->flags & SEC_LOAD) == 0
1368 || (! disassemble_all
1370 && (section->flags & SEC_CODE) == 0))
1372 if (only != (char *) NULL && strcmp (only, section->name) != 0)
1376 && (section->flags & SEC_RELOC) != 0)
1380 relsize = bfd_get_reloc_upper_bound (abfd, section);
1382 bfd_fatal (bfd_get_filename (abfd));
1388 relbuf = (arelent **) xmalloc (relsize);
1389 relcount = bfd_canonicalize_reloc (abfd, section, relbuf, syms);
1391 bfd_fatal (bfd_get_filename (abfd));
1393 /* Sort the relocs by address. */
1394 qsort (relbuf, relcount, sizeof (arelent *), compare_relocs);
1397 relppend = relpp + relcount;
1401 printf ("Disassembly of section %s:\n", section->name);
1403 datasize = bfd_get_section_size_before_reloc (section);
1407 data = (bfd_byte *) xmalloc ((size_t) datasize);
1409 bfd_get_section_contents (abfd, section, data, 0, datasize);
1412 disasm_info.buffer = data;
1413 disasm_info.buffer_vma = section->vma;
1414 disasm_info.buffer_length = datasize;
1415 if (start_address == (bfd_vma) -1
1416 || start_address < disasm_info.buffer_vma)
1419 i = start_address - disasm_info.buffer_vma;
1420 if (stop_address == (bfd_vma) -1)
1424 if (stop_address < disasm_info.buffer_vma)
1427 stop = stop_address - disasm_info.buffer_vma;
1428 if (stop > disasm_info.buffer_length)
1429 stop = disasm_info.buffer_length;
1432 if (prefix_addresses)
1433 disassemble_bytes (&disasm_info, disassemble_fn, true, data, i, stop,
1440 sym = find_symbol_for_address (abfd, section, i, true, &place);
1448 disasm_info.symbol = sym;
1451 objdump_print_addr_with_sym (abfd, section, sym,
1461 while (place < sorted_symcount
1462 && (sorted_syms[place]->section != section
1463 || (bfd_asymbol_value (sorted_syms[place])
1464 <= bfd_asymbol_value (sym))))
1466 if (place >= sorted_symcount)
1469 nextsym = sorted_syms[place];
1472 if (nextsym == NULL)
1476 nextstop = bfd_asymbol_value (nextsym) - section->vma;
1477 if (nextstop > stop)
1481 /* If a symbol is explicitly marked as being an object
1482 rather than a function, just dump the bytes without
1483 disassembling them. */
1486 || ((sym->flags & BSF_OBJECT) == 0
1487 && (strstr (bfd_asymbol_name (sym), "gnu_compiled")
1489 && (strstr (bfd_asymbol_name (sym), "gcc2_compiled")
1491 || (sym->flags & BSF_FUNCTION) != 0)
1496 disassemble_bytes (&disasm_info, disassemble_fn, insns, data, i,
1497 nextstop, &relpp, relppend);
1512 /* Define a table of stab values and print-strings. We wish the initializer
1513 could be a direct-mapped table, but instead we build one the first
1516 static void dump_section_stabs PARAMS ((bfd *abfd, char *stabsect_name,
1517 char *strsect_name));
1519 /* Dump the stabs sections from an object file that has a section that
1520 uses Sun stabs encoding. */
1526 dump_section_stabs (abfd, ".stab", ".stabstr");
1527 dump_section_stabs (abfd, ".stab.excl", ".stab.exclstr");
1528 dump_section_stabs (abfd, ".stab.index", ".stab.indexstr");
1529 dump_section_stabs (abfd, "$GDB_SYMBOLS$", "$GDB_STRINGS$");
1532 static bfd_byte *stabs;
1533 static bfd_size_type stab_size;
1535 static char *strtab;
1536 static bfd_size_type stabstr_size;
1538 /* Read ABFD's stabs section STABSECT_NAME into `stabs'
1539 and string table section STRSECT_NAME into `strtab'.
1540 If the section exists and was read, allocate the space and return true.
1541 Otherwise return false. */
1544 read_section_stabs (abfd, stabsect_name, strsect_name)
1546 char *stabsect_name;
1549 asection *stabsect, *stabstrsect;
1551 stabsect = bfd_get_section_by_name (abfd, stabsect_name);
1554 printf ("No %s section present\n\n", stabsect_name);
1558 stabstrsect = bfd_get_section_by_name (abfd, strsect_name);
1559 if (0 == stabstrsect)
1561 fprintf (stderr, "%s: %s has no %s section\n", program_name,
1562 bfd_get_filename (abfd), strsect_name);
1566 stab_size = bfd_section_size (abfd, stabsect);
1567 stabstr_size = bfd_section_size (abfd, stabstrsect);
1569 stabs = (bfd_byte *) xmalloc (stab_size);
1570 strtab = (char *) xmalloc (stabstr_size);
1572 if (! bfd_get_section_contents (abfd, stabsect, (PTR) stabs, 0, stab_size))
1574 fprintf (stderr, "%s: Reading %s section of %s failed: %s\n",
1575 program_name, stabsect_name, bfd_get_filename (abfd),
1576 bfd_errmsg (bfd_get_error ()));
1582 if (! bfd_get_section_contents (abfd, stabstrsect, (PTR) strtab, 0,
1585 fprintf (stderr, "%s: Reading %s section of %s failed: %s\n",
1586 program_name, strsect_name, bfd_get_filename (abfd),
1587 bfd_errmsg (bfd_get_error ()));
1596 /* Stabs entries use a 12 byte format:
1597 4 byte string table index
1599 1 byte stab other field
1600 2 byte stab desc field
1602 FIXME: This will have to change for a 64 bit object format. */
1604 #define STRDXOFF (0)
1606 #define OTHEROFF (5)
1609 #define STABSIZE (12)
1611 /* Print ABFD's stabs section STABSECT_NAME (in `stabs'),
1612 using string table section STRSECT_NAME (in `strtab'). */
1615 print_section_stabs (abfd, stabsect_name, strsect_name)
1617 char *stabsect_name;
1621 unsigned file_string_table_offset = 0, next_file_string_table_offset = 0;
1622 bfd_byte *stabp, *stabs_end;
1625 stabs_end = stabp + stab_size;
1627 printf ("Contents of %s section:\n\n", stabsect_name);
1628 printf ("Symnum n_type n_othr n_desc n_value n_strx String\n");
1630 /* Loop through all symbols and print them.
1632 We start the index at -1 because there is a dummy symbol on
1633 the front of stabs-in-{coff,elf} sections that supplies sizes. */
1635 for (i = -1; stabp < stabs_end; stabp += STABSIZE, i++)
1639 unsigned char type, other;
1640 unsigned short desc;
1643 strx = bfd_h_get_32 (abfd, stabp + STRDXOFF);
1644 type = bfd_h_get_8 (abfd, stabp + TYPEOFF);
1645 other = bfd_h_get_8 (abfd, stabp + OTHEROFF);
1646 desc = bfd_h_get_16 (abfd, stabp + DESCOFF);
1647 value = bfd_h_get_32 (abfd, stabp + VALOFF);
1649 printf ("\n%-6d ", i);
1650 /* Either print the stab name, or, if unnamed, print its number
1651 again (makes consistent formatting for tools like awk). */
1652 name = bfd_get_stab_name (type);
1654 printf ("%-6s", name);
1655 else if (type == N_UNDF)
1658 printf ("%-6d", type);
1659 printf (" %-6d %-6d ", other, desc);
1661 printf (" %-6lu", strx);
1663 /* Symbols with type == 0 (N_UNDF) specify the length of the
1664 string table associated with this file. We use that info
1665 to know how to relocate the *next* file's string table indices. */
1669 file_string_table_offset = next_file_string_table_offset;
1670 next_file_string_table_offset += value;
1674 /* Using the (possibly updated) string table offset, print the
1675 string (if any) associated with this symbol. */
1677 if ((strx + file_string_table_offset) < stabstr_size)
1678 printf (" %s", &strtab[strx + file_string_table_offset]);
1687 dump_section_stabs (abfd, stabsect_name, strsect_name)
1689 char *stabsect_name;
1694 /* Check for section names for which stabsect_name is a prefix, to
1695 handle .stab0, etc. */
1696 for (s = abfd->sections;
1702 len = strlen (stabsect_name);
1704 /* If the prefix matches, and the files section name ends with a nul or a digit,
1705 then we match. Ie: we want either an exact match or a a section followed by
1707 if (strncmp (stabsect_name, s->name, len) == 0
1708 && (s->name[len] == '\000' || isdigit (s->name[len])))
1710 if (read_section_stabs (abfd, s->name, strsect_name))
1712 print_section_stabs (abfd, s->name, strsect_name);
1721 dump_bfd_header (abfd)
1726 printf ("architecture: %s, ",
1727 bfd_printable_arch_mach (bfd_get_arch (abfd),
1728 bfd_get_mach (abfd)));
1729 printf ("flags 0x%08x:\n", abfd->flags);
1731 #define PF(x, y) if (abfd->flags & x) {printf("%s%s", comma, y); comma=", ";}
1732 PF (HAS_RELOC, "HAS_RELOC");
1733 PF (EXEC_P, "EXEC_P");
1734 PF (HAS_LINENO, "HAS_LINENO");
1735 PF (HAS_DEBUG, "HAS_DEBUG");
1736 PF (HAS_SYMS, "HAS_SYMS");
1737 PF (HAS_LOCALS, "HAS_LOCALS");
1738 PF (DYNAMIC, "DYNAMIC");
1739 PF (WP_TEXT, "WP_TEXT");
1740 PF (D_PAGED, "D_PAGED");
1741 PF (BFD_IS_RELAXABLE, "BFD_IS_RELAXABLE");
1742 printf ("\nstart address 0x");
1743 printf_vma (abfd->start_address);
1748 dump_bfd_private_header (abfd)
1751 bfd_print_private_bfd_data (abfd, stdout);
1760 if (!bfd_check_format_matches (abfd, bfd_object, &matching))
1762 bfd_nonfatal (bfd_get_filename (abfd));
1763 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1765 list_matching_formats (matching);
1771 printf ("\n%s: file format %s\n", bfd_get_filename (abfd),
1774 print_arelt_descr (stdout, abfd, true);
1775 if (dump_file_header)
1776 dump_bfd_header (abfd);
1777 if (dump_private_headers)
1778 dump_bfd_private_header (abfd);
1780 if (dump_section_headers)
1781 dump_headers (abfd);
1782 if (dump_symtab || dump_reloc_info || disassemble || dump_debugging)
1784 syms = slurp_symtab (abfd);
1786 if (dump_dynamic_symtab || dump_dynamic_reloc_info)
1788 dynsyms = slurp_dynamic_symtab (abfd);
1791 dump_symbols (abfd, false);
1792 if (dump_dynamic_symtab)
1793 dump_symbols (abfd, true);
1794 if (dump_stab_section_info)
1796 if (dump_reloc_info && ! disassemble)
1798 if (dump_dynamic_reloc_info)
1799 dump_dynamic_relocs (abfd);
1800 if (dump_section_contents)
1803 disassemble_data (abfd);
1808 dhandle = read_debugging_info (abfd, syms, symcount);
1809 if (dhandle != NULL)
1811 if (! print_debugging_info (stdout, dhandle))
1812 fprintf (stderr, "%s: printing debugging information failed\n",
1813 bfd_get_filename (abfd));
1829 display_file (filename, target)
1833 bfd *file, *arfile = (bfd *) NULL;
1835 file = bfd_openr (filename, target);
1838 bfd_nonfatal (filename);
1842 if (bfd_check_format (file, bfd_archive) == true)
1844 bfd *last_arfile = NULL;
1846 printf ("In archive %s:\n", bfd_get_filename (file));
1849 bfd_set_error (bfd_error_no_error);
1851 arfile = bfd_openr_next_archived_file (file, arfile);
1854 if (bfd_get_error () != bfd_error_no_more_archived_files)
1856 bfd_nonfatal (bfd_get_filename (file));
1861 display_bfd (arfile);
1863 if (last_arfile != NULL)
1864 bfd_close (last_arfile);
1865 last_arfile = arfile;
1868 if (last_arfile != NULL)
1869 bfd_close (last_arfile);
1877 /* Actually display the various requested regions */
1885 bfd_size_type datasize = 0;
1887 bfd_size_type start, stop;
1889 for (section = abfd->sections; section != NULL; section =
1894 if (only == (char *) NULL ||
1895 strcmp (only, section->name) == 0)
1897 if (section->flags & SEC_HAS_CONTENTS)
1899 printf ("Contents of section %s:\n", section->name);
1901 if (bfd_section_size (abfd, section) == 0)
1903 data = (bfd_byte *) xmalloc ((size_t) bfd_section_size (abfd, section));
1904 datasize = bfd_section_size (abfd, section);
1907 bfd_get_section_contents (abfd, section, (PTR) data, 0, bfd_section_size (abfd, section));
1909 if (start_address == (bfd_vma) -1
1910 || start_address < section->vma)
1913 start = start_address - section->vma;
1914 if (stop_address == (bfd_vma) -1)
1915 stop = bfd_section_size (abfd, section);
1918 if (stop_address < section->vma)
1921 stop = stop_address - section->vma;
1922 if (stop > bfd_section_size (abfd, section))
1923 stop = bfd_section_size (abfd, section);
1925 for (i = start; i < stop; i += onaline)
1929 printf (" %04lx ", (unsigned long int) (i + section->vma));
1930 for (j = i; j < i + onaline; j++)
1933 printf ("%02x", (unsigned) (data[j]));
1941 for (j = i; j < i + onaline; j++)
1946 printf ("%c", isprint (data[j]) ? data[j] : '.');
1956 /* Should perhaps share code and display with nm? */
1958 dump_symbols (abfd, dynamic)
1972 printf ("DYNAMIC SYMBOL TABLE:\n");
1980 printf ("SYMBOL TABLE:\n");
1983 for (count = 0; count < max; count++)
1987 bfd *cur_bfd = bfd_asymbol_bfd(*current);
1990 bfd_print_symbol (cur_bfd,
1992 *current, bfd_print_symbol_all);
2010 for (a = abfd->sections; a != (asection *) NULL; a = a->next)
2014 if (bfd_is_abs_section (a))
2016 if (bfd_is_und_section (a))
2018 if (bfd_is_com_section (a))
2023 if (strcmp (only, a->name))
2026 else if ((a->flags & SEC_RELOC) == 0)
2029 relsize = bfd_get_reloc_upper_bound (abfd, a);
2031 bfd_fatal (bfd_get_filename (abfd));
2033 printf ("RELOCATION RECORDS FOR [%s]:", a->name);
2037 printf (" (none)\n\n");
2041 relpp = (arelent **) xmalloc (relsize);
2042 relcount = bfd_canonicalize_reloc (abfd, a, relpp, syms);
2044 bfd_fatal (bfd_get_filename (abfd));
2045 else if (relcount == 0)
2047 printf (" (none)\n\n");
2052 dump_reloc_set (abfd, a, relpp, relcount);
2061 dump_dynamic_relocs (abfd)
2068 relsize = bfd_get_dynamic_reloc_upper_bound (abfd);
2070 bfd_fatal (bfd_get_filename (abfd));
2072 printf ("DYNAMIC RELOCATION RECORDS");
2076 printf (" (none)\n\n");
2080 relpp = (arelent **) xmalloc (relsize);
2081 relcount = bfd_canonicalize_dynamic_reloc (abfd, relpp, dynsyms);
2083 bfd_fatal (bfd_get_filename (abfd));
2084 else if (relcount == 0)
2086 printf (" (none)\n\n");
2091 dump_reloc_set (abfd, (asection *) NULL, relpp, relcount);
2099 dump_reloc_set (abfd, sec, relpp, relcount)
2106 char *last_filename, *last_functionname;
2107 unsigned int last_line;
2109 /* Get column headers lined up reasonably. */
2115 sprintf_vma (buf, (bfd_vma) -1);
2116 width = strlen (buf) - 7;
2118 printf ("OFFSET %*s TYPE %*s VALUE \n", width, "", 12, "");
2121 last_filename = NULL;
2122 last_functionname = NULL;
2125 for (p = relpp; relcount && *p != (arelent *) NULL; p++, relcount--)
2128 const char *filename, *functionname;
2130 const char *sym_name;
2131 const char *section_name;
2133 if (start_address != (bfd_vma) -1
2134 && q->address < start_address)
2136 if (stop_address != (bfd_vma) -1
2137 && q->address > stop_address)
2140 if (with_line_numbers
2142 && bfd_find_nearest_line (abfd, sec, syms, q->address,
2143 &filename, &functionname, &line))
2145 if (functionname != NULL
2146 && (last_functionname == NULL
2147 || strcmp (functionname, last_functionname) != 0))
2149 printf ("%s():\n", functionname);
2150 if (last_functionname != NULL)
2151 free (last_functionname);
2152 last_functionname = xstrdup (functionname);
2155 && (line != last_line
2156 || (filename != NULL
2157 && last_filename != NULL
2158 && strcmp (filename, last_filename) != 0)))
2160 printf ("%s:%u\n", filename == NULL ? "???" : filename, line);
2162 if (last_filename != NULL)
2163 free (last_filename);
2164 if (filename == NULL)
2165 last_filename = NULL;
2167 last_filename = xstrdup (filename);
2171 if (q->sym_ptr_ptr && *q->sym_ptr_ptr)
2173 sym_name = (*(q->sym_ptr_ptr))->name;
2174 section_name = (*(q->sym_ptr_ptr))->section->name;
2179 section_name = NULL;
2183 printf_vma (q->address);
2184 printf (" %-16s %s",
2190 if (section_name == (CONST char *) NULL)
2191 section_name = "*unknown*";
2192 printf_vma (q->address);
2193 printf (" %-16s [%s]",
2200 printf_vma (q->addend);
2206 /* The length of the longest architecture name + 1. */
2207 #define LONGEST_ARCH sizeof("rs6000:6000")
2210 endian_string (endian)
2211 enum bfd_endian endian;
2213 if (endian == BFD_ENDIAN_BIG)
2214 return "big endian";
2215 else if (endian == BFD_ENDIAN_LITTLE)
2216 return "little endian";
2218 return "endianness unknown";
2221 /* List the targets that BFD is configured to support, each followed
2222 by its endianness and the architectures it supports. */
2225 display_target_list ()
2227 extern bfd_target *bfd_target_vector[];
2231 dummy_name = choose_temp_base ();
2232 for (t = 0; bfd_target_vector[t]; t++)
2234 bfd_target *p = bfd_target_vector[t];
2235 bfd *abfd = bfd_openw (dummy_name, p->name);
2238 printf ("%s\n (header %s, data %s)\n", p->name,
2239 endian_string (p->header_byteorder),
2240 endian_string (p->byteorder));
2244 bfd_nonfatal (dummy_name);
2248 if (! bfd_set_format (abfd, bfd_object))
2250 if (bfd_get_error () != bfd_error_invalid_operation)
2251 bfd_nonfatal (p->name);
2255 for (a = (int) bfd_arch_obscure + 1; a < (int) bfd_arch_last; a++)
2256 if (bfd_set_arch_mach (abfd, (enum bfd_architecture) a, 0))
2258 bfd_printable_arch_mach ((enum bfd_architecture) a, 0));
2260 unlink (dummy_name);
2264 /* Print a table showing which architectures are supported for entries
2265 FIRST through LAST-1 of bfd_target_vector (targets across,
2266 architectures down). */
2269 display_info_table (first, last)
2273 extern bfd_target *bfd_target_vector[];
2277 /* Print heading of target names. */
2278 printf ("\n%*s", (int) LONGEST_ARCH, " ");
2279 for (t = first; t < last && bfd_target_vector[t]; t++)
2280 printf ("%s ", bfd_target_vector[t]->name);
2283 dummy_name = choose_temp_base ();
2284 for (a = (int) bfd_arch_obscure + 1; a < (int) bfd_arch_last; a++)
2285 if (strcmp (bfd_printable_arch_mach (a, 0), "UNKNOWN!") != 0)
2287 printf ("%*s ", (int) LONGEST_ARCH - 1,
2288 bfd_printable_arch_mach (a, 0));
2289 for (t = first; t < last && bfd_target_vector[t]; t++)
2291 bfd_target *p = bfd_target_vector[t];
2293 bfd *abfd = bfd_openw (dummy_name, p->name);
2297 bfd_nonfatal (p->name);
2303 if (! bfd_set_format (abfd, bfd_object))
2305 if (bfd_get_error () != bfd_error_invalid_operation)
2306 bfd_nonfatal (p->name);
2313 if (! bfd_set_arch_mach (abfd, a, 0))
2318 printf ("%s ", p->name);
2321 int l = strlen (p->name);
2329 unlink (dummy_name);
2333 /* Print tables of all the target-architecture combinations that
2334 BFD has been configured to support. */
2337 display_target_tables ()
2340 extern bfd_target *bfd_target_vector[];
2342 extern char *getenv ();
2345 colum = getenv ("COLUMNS");
2347 columns = atoi (colum);
2352 while (bfd_target_vector[t] != NULL)
2356 wid = LONGEST_ARCH + strlen (bfd_target_vector[t]->name) + 1;
2358 while (wid < columns && bfd_target_vector[t] != NULL)
2362 newwid = wid + strlen (bfd_target_vector[t]->name) + 1;
2363 if (newwid >= columns)
2368 display_info_table (oldt, t);
2375 printf ("BFD header file version %s\n", BFD_VERSION);
2376 display_target_list ();
2377 display_target_tables ();
2386 char *target = default_target;
2387 boolean seenflag = false;
2389 program_name = *argv;
2390 xmalloc_set_program_name (program_name);
2392 START_PROGRESS (program_name, 0);
2396 while ((c = getopt_long (argc, argv, "pib:m:VdDlfahrRtTxsSj:wE:",
2397 long_options, (int *) 0))
2400 if (c != 'l' && c != OPTION_START_ADDRESS && c != OPTION_STOP_ADDRESS)
2405 break; /* we've been given a long option */
2413 with_line_numbers = 1;
2419 dump_file_header = true;
2422 formats_info = true;
2425 dump_private_headers = 1;
2428 dump_private_headers = 1;
2430 dump_reloc_info = 1;
2431 dump_file_header = true;
2433 dump_section_headers = 1;
2439 dump_dynamic_symtab = 1;
2445 disassemble = disassemble_all = true;
2449 with_source_code = true;
2452 dump_section_contents = 1;
2455 dump_reloc_info = 1;
2458 dump_dynamic_reloc_info = 1;
2464 dump_section_headers = 1;
2474 case OPTION_START_ADDRESS:
2475 start_address = parse_vma (optarg, "--start-address");
2477 case OPTION_STOP_ADDRESS:
2478 stop_address = parse_vma (optarg, "--stop-address");
2481 if (strcmp (optarg, "B") == 0)
2482 endian = BFD_ENDIAN_BIG;
2483 else if (strcmp (optarg, "L") == 0)
2484 endian = BFD_ENDIAN_LITTLE;
2487 fprintf (stderr, "%s: unrecognized -E option\n", program_name);
2492 if (strncmp (optarg, "big", strlen (optarg)) == 0)
2493 endian = BFD_ENDIAN_BIG;
2494 else if (strncmp (optarg, "little", strlen (optarg)) == 0)
2495 endian = BFD_ENDIAN_LITTLE;
2498 fprintf (stderr, "%s: unrecognized --endian type `%s'\n",
2499 program_name, optarg);
2509 print_version ("objdump");
2511 if (seenflag == false)
2521 display_file ("a.out", target);
2523 for (; optind < argc;)
2524 display_file (argv[optind++], target);
2527 END_PROGRESS (program_name);