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);
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)
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 disasm_info.print_address_func = objdump_print_address;
1320 if (machine != (char *) NULL)
1322 const bfd_arch_info_type *info = bfd_scan_arch (machine);
1325 fprintf (stderr, "%s: Can't use supplied machine %s\n",
1330 abfd->arch_info = info;
1333 if (endian != BFD_ENDIAN_UNKNOWN)
1335 struct bfd_target *xvec;
1337 xvec = (struct bfd_target *) xmalloc (sizeof (struct bfd_target));
1338 memcpy (xvec, abfd->xvec, sizeof (struct bfd_target));
1339 xvec->byteorder = endian;
1343 disassemble_fn = disassembler (abfd);
1344 if (!disassemble_fn)
1346 fprintf (stderr, "%s: Can't disassemble for architecture %s\n",
1348 bfd_printable_arch_mach (bfd_get_arch (abfd), 0));
1352 disasm_info.flavour = bfd_get_flavour (abfd);
1353 disasm_info.arch = bfd_get_arch (abfd);
1354 disasm_info.mach = bfd_get_mach (abfd);
1355 if (bfd_big_endian (abfd))
1356 disasm_info.endian = BFD_ENDIAN_BIG;
1357 else if (bfd_little_endian (abfd))
1358 disasm_info.endian = BFD_ENDIAN_LITTLE;
1360 /* ??? Aborting here seems too drastic. We could default to big or little
1362 disasm_info.endian = BFD_ENDIAN_UNKNOWN;
1364 for (section = abfd->sections;
1365 section != (asection *) NULL;
1366 section = section->next)
1368 bfd_byte *data = NULL;
1369 bfd_size_type datasize = 0;
1370 arelent **relbuf = NULL;
1371 arelent **relpp = NULL;
1372 arelent **relppend = NULL;
1375 if ((section->flags & SEC_LOAD) == 0
1376 || (! disassemble_all
1378 && (section->flags & SEC_CODE) == 0))
1380 if (only != (char *) NULL && strcmp (only, section->name) != 0)
1384 && (section->flags & SEC_RELOC) != 0)
1388 relsize = bfd_get_reloc_upper_bound (abfd, section);
1390 bfd_fatal (bfd_get_filename (abfd));
1396 relbuf = (arelent **) xmalloc (relsize);
1397 relcount = bfd_canonicalize_reloc (abfd, section, relbuf, syms);
1399 bfd_fatal (bfd_get_filename (abfd));
1401 /* Sort the relocs by address. */
1402 qsort (relbuf, relcount, sizeof (arelent *), compare_relocs);
1405 relppend = relpp + relcount;
1409 printf ("Disassembly of section %s:\n", section->name);
1411 datasize = bfd_get_section_size_before_reloc (section);
1415 data = (bfd_byte *) xmalloc ((size_t) datasize);
1417 bfd_get_section_contents (abfd, section, data, 0, datasize);
1420 disasm_info.buffer = data;
1421 disasm_info.buffer_vma = section->vma;
1422 disasm_info.buffer_length = datasize;
1423 if (start_address == (bfd_vma) -1
1424 || start_address < disasm_info.buffer_vma)
1427 i = start_address - disasm_info.buffer_vma;
1428 if (stop_address == (bfd_vma) -1)
1432 if (stop_address < disasm_info.buffer_vma)
1435 stop = stop_address - disasm_info.buffer_vma;
1436 if (stop > disasm_info.buffer_length)
1437 stop = disasm_info.buffer_length;
1440 if (prefix_addresses)
1441 disassemble_bytes (&disasm_info, disassemble_fn, true, data, i, stop,
1448 sym = find_symbol_for_address (abfd, section, i, true, &place);
1456 disasm_info.symbol = sym;
1459 objdump_print_addr_with_sym (abfd, section, sym,
1469 while (place < sorted_symcount
1470 && (sorted_syms[place]->section != section
1471 || (bfd_asymbol_value (sorted_syms[place])
1472 <= bfd_asymbol_value (sym))))
1474 if (place >= sorted_symcount)
1477 nextsym = sorted_syms[place];
1480 if (nextsym == NULL)
1484 nextstop = bfd_asymbol_value (nextsym) - section->vma;
1485 if (nextstop > stop)
1489 /* If a symbol is explicitly marked as being an object
1490 rather than a function, just dump the bytes without
1491 disassembling them. */
1494 || ((sym->flags & BSF_OBJECT) == 0
1495 && (strstr (bfd_asymbol_name (sym), "gnu_compiled")
1497 && (strstr (bfd_asymbol_name (sym), "gcc2_compiled")
1499 || (sym->flags & BSF_FUNCTION) != 0)
1504 disassemble_bytes (&disasm_info, disassemble_fn, insns, data, i,
1505 nextstop, &relpp, relppend);
1520 /* Define a table of stab values and print-strings. We wish the initializer
1521 could be a direct-mapped table, but instead we build one the first
1524 static void dump_section_stabs PARAMS ((bfd *abfd, char *stabsect_name,
1525 char *strsect_name));
1527 /* Dump the stabs sections from an object file that has a section that
1528 uses Sun stabs encoding. */
1534 dump_section_stabs (abfd, ".stab", ".stabstr");
1535 dump_section_stabs (abfd, ".stab.excl", ".stab.exclstr");
1536 dump_section_stabs (abfd, ".stab.index", ".stab.indexstr");
1537 dump_section_stabs (abfd, "$GDB_SYMBOLS$", "$GDB_STRINGS$");
1540 static bfd_byte *stabs;
1541 static bfd_size_type stab_size;
1543 static char *strtab;
1544 static bfd_size_type stabstr_size;
1546 /* Read ABFD's stabs section STABSECT_NAME into `stabs'
1547 and string table section STRSECT_NAME into `strtab'.
1548 If the section exists and was read, allocate the space and return true.
1549 Otherwise return false. */
1552 read_section_stabs (abfd, stabsect_name, strsect_name)
1554 char *stabsect_name;
1557 asection *stabsect, *stabstrsect;
1559 stabsect = bfd_get_section_by_name (abfd, stabsect_name);
1562 printf ("No %s section present\n\n", stabsect_name);
1566 stabstrsect = bfd_get_section_by_name (abfd, strsect_name);
1567 if (0 == stabstrsect)
1569 fprintf (stderr, "%s: %s has no %s section\n", program_name,
1570 bfd_get_filename (abfd), strsect_name);
1574 stab_size = bfd_section_size (abfd, stabsect);
1575 stabstr_size = bfd_section_size (abfd, stabstrsect);
1577 stabs = (bfd_byte *) xmalloc (stab_size);
1578 strtab = (char *) xmalloc (stabstr_size);
1580 if (! bfd_get_section_contents (abfd, stabsect, (PTR) stabs, 0, stab_size))
1582 fprintf (stderr, "%s: Reading %s section of %s failed: %s\n",
1583 program_name, stabsect_name, bfd_get_filename (abfd),
1584 bfd_errmsg (bfd_get_error ()));
1590 if (! bfd_get_section_contents (abfd, stabstrsect, (PTR) strtab, 0,
1593 fprintf (stderr, "%s: Reading %s section of %s failed: %s\n",
1594 program_name, strsect_name, bfd_get_filename (abfd),
1595 bfd_errmsg (bfd_get_error ()));
1604 /* Stabs entries use a 12 byte format:
1605 4 byte string table index
1607 1 byte stab other field
1608 2 byte stab desc field
1610 FIXME: This will have to change for a 64 bit object format. */
1612 #define STRDXOFF (0)
1614 #define OTHEROFF (5)
1617 #define STABSIZE (12)
1619 /* Print ABFD's stabs section STABSECT_NAME (in `stabs'),
1620 using string table section STRSECT_NAME (in `strtab'). */
1623 print_section_stabs (abfd, stabsect_name, strsect_name)
1625 char *stabsect_name;
1629 unsigned file_string_table_offset = 0, next_file_string_table_offset = 0;
1630 bfd_byte *stabp, *stabs_end;
1633 stabs_end = stabp + stab_size;
1635 printf ("Contents of %s section:\n\n", stabsect_name);
1636 printf ("Symnum n_type n_othr n_desc n_value n_strx String\n");
1638 /* Loop through all symbols and print them.
1640 We start the index at -1 because there is a dummy symbol on
1641 the front of stabs-in-{coff,elf} sections that supplies sizes. */
1643 for (i = -1; stabp < stabs_end; stabp += STABSIZE, i++)
1647 unsigned char type, other;
1648 unsigned short desc;
1651 strx = bfd_h_get_32 (abfd, stabp + STRDXOFF);
1652 type = bfd_h_get_8 (abfd, stabp + TYPEOFF);
1653 other = bfd_h_get_8 (abfd, stabp + OTHEROFF);
1654 desc = bfd_h_get_16 (abfd, stabp + DESCOFF);
1655 value = bfd_h_get_32 (abfd, stabp + VALOFF);
1657 printf ("\n%-6d ", i);
1658 /* Either print the stab name, or, if unnamed, print its number
1659 again (makes consistent formatting for tools like awk). */
1660 name = bfd_get_stab_name (type);
1662 printf ("%-6s", name);
1663 else if (type == N_UNDF)
1666 printf ("%-6d", type);
1667 printf (" %-6d %-6d ", other, desc);
1669 printf (" %-6lu", strx);
1671 /* Symbols with type == 0 (N_UNDF) specify the length of the
1672 string table associated with this file. We use that info
1673 to know how to relocate the *next* file's string table indices. */
1677 file_string_table_offset = next_file_string_table_offset;
1678 next_file_string_table_offset += value;
1682 /* Using the (possibly updated) string table offset, print the
1683 string (if any) associated with this symbol. */
1685 if ((strx + file_string_table_offset) < stabstr_size)
1686 printf (" %s", &strtab[strx + file_string_table_offset]);
1695 dump_section_stabs (abfd, stabsect_name, strsect_name)
1697 char *stabsect_name;
1702 /* Check for section names for which stabsect_name is a prefix, to
1703 handle .stab0, etc. */
1704 for (s = abfd->sections;
1710 len = strlen (stabsect_name);
1712 /* If the prefix matches, and the files section name ends with a nul or a digit,
1713 then we match. Ie: we want either an exact match or a a section followed by
1715 if (strncmp (stabsect_name, s->name, len) == 0
1716 && (s->name[len] == '\000' || isdigit (s->name[len])))
1718 if (read_section_stabs (abfd, s->name, strsect_name))
1720 print_section_stabs (abfd, s->name, strsect_name);
1729 dump_bfd_header (abfd)
1734 printf ("architecture: %s, ",
1735 bfd_printable_arch_mach (bfd_get_arch (abfd),
1736 bfd_get_mach (abfd)));
1737 printf ("flags 0x%08x:\n", abfd->flags);
1739 #define PF(x, y) if (abfd->flags & x) {printf("%s%s", comma, y); comma=", ";}
1740 PF (HAS_RELOC, "HAS_RELOC");
1741 PF (EXEC_P, "EXEC_P");
1742 PF (HAS_LINENO, "HAS_LINENO");
1743 PF (HAS_DEBUG, "HAS_DEBUG");
1744 PF (HAS_SYMS, "HAS_SYMS");
1745 PF (HAS_LOCALS, "HAS_LOCALS");
1746 PF (DYNAMIC, "DYNAMIC");
1747 PF (WP_TEXT, "WP_TEXT");
1748 PF (D_PAGED, "D_PAGED");
1749 PF (BFD_IS_RELAXABLE, "BFD_IS_RELAXABLE");
1750 printf ("\nstart address 0x");
1751 printf_vma (abfd->start_address);
1756 dump_bfd_private_header (abfd)
1759 bfd_print_private_bfd_data (abfd, stdout);
1768 if (!bfd_check_format_matches (abfd, bfd_object, &matching))
1770 bfd_nonfatal (bfd_get_filename (abfd));
1771 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1773 list_matching_formats (matching);
1779 printf ("\n%s: file format %s\n", bfd_get_filename (abfd),
1782 print_arelt_descr (stdout, abfd, true);
1783 if (dump_file_header)
1784 dump_bfd_header (abfd);
1785 if (dump_private_headers)
1786 dump_bfd_private_header (abfd);
1788 if (dump_section_headers)
1789 dump_headers (abfd);
1790 if (dump_symtab || dump_reloc_info || disassemble || dump_debugging)
1792 syms = slurp_symtab (abfd);
1794 if (dump_dynamic_symtab || dump_dynamic_reloc_info)
1796 dynsyms = slurp_dynamic_symtab (abfd);
1799 dump_symbols (abfd, false);
1800 if (dump_dynamic_symtab)
1801 dump_symbols (abfd, true);
1802 if (dump_stab_section_info)
1804 if (dump_reloc_info && ! disassemble)
1806 if (dump_dynamic_reloc_info)
1807 dump_dynamic_relocs (abfd);
1808 if (dump_section_contents)
1811 disassemble_data (abfd);
1816 dhandle = read_debugging_info (abfd, syms, symcount);
1817 if (dhandle != NULL)
1819 if (! print_debugging_info (stdout, dhandle))
1820 fprintf (stderr, "%s: printing debugging information failed\n",
1821 bfd_get_filename (abfd));
1837 display_file (filename, target)
1841 bfd *file, *arfile = (bfd *) NULL;
1843 file = bfd_openr (filename, target);
1846 bfd_nonfatal (filename);
1850 if (bfd_check_format (file, bfd_archive) == true)
1852 bfd *last_arfile = NULL;
1854 printf ("In archive %s:\n", bfd_get_filename (file));
1857 bfd_set_error (bfd_error_no_error);
1859 arfile = bfd_openr_next_archived_file (file, arfile);
1862 if (bfd_get_error () != bfd_error_no_more_archived_files)
1864 bfd_nonfatal (bfd_get_filename (file));
1869 display_bfd (arfile);
1871 if (last_arfile != NULL)
1872 bfd_close (last_arfile);
1873 last_arfile = arfile;
1876 if (last_arfile != NULL)
1877 bfd_close (last_arfile);
1885 /* Actually display the various requested regions */
1893 bfd_size_type datasize = 0;
1895 bfd_size_type start, stop;
1897 for (section = abfd->sections; section != NULL; section =
1902 if (only == (char *) NULL ||
1903 strcmp (only, section->name) == 0)
1905 if (section->flags & SEC_HAS_CONTENTS)
1907 printf ("Contents of section %s:\n", section->name);
1909 if (bfd_section_size (abfd, section) == 0)
1911 data = (bfd_byte *) xmalloc ((size_t) bfd_section_size (abfd, section));
1912 datasize = bfd_section_size (abfd, section);
1915 bfd_get_section_contents (abfd, section, (PTR) data, 0, bfd_section_size (abfd, section));
1917 if (start_address == (bfd_vma) -1
1918 || start_address < section->vma)
1921 start = start_address - section->vma;
1922 if (stop_address == (bfd_vma) -1)
1923 stop = bfd_section_size (abfd, section);
1926 if (stop_address < section->vma)
1929 stop = stop_address - section->vma;
1930 if (stop > bfd_section_size (abfd, section))
1931 stop = bfd_section_size (abfd, section);
1933 for (i = start; i < stop; i += onaline)
1937 printf (" %04lx ", (unsigned long int) (i + section->vma));
1938 for (j = i; j < i + onaline; j++)
1941 printf ("%02x", (unsigned) (data[j]));
1949 for (j = i; j < i + onaline; j++)
1954 printf ("%c", isprint (data[j]) ? data[j] : '.');
1964 /* Should perhaps share code and display with nm? */
1966 dump_symbols (abfd, dynamic)
1980 printf ("DYNAMIC SYMBOL TABLE:\n");
1988 printf ("SYMBOL TABLE:\n");
1991 for (count = 0; count < max; count++)
1995 bfd *cur_bfd = bfd_asymbol_bfd(*current);
1998 bfd_print_symbol (cur_bfd,
2000 *current, bfd_print_symbol_all);
2018 for (a = abfd->sections; a != (asection *) NULL; a = a->next)
2022 if (bfd_is_abs_section (a))
2024 if (bfd_is_und_section (a))
2026 if (bfd_is_com_section (a))
2031 if (strcmp (only, a->name))
2034 else if ((a->flags & SEC_RELOC) == 0)
2037 relsize = bfd_get_reloc_upper_bound (abfd, a);
2039 bfd_fatal (bfd_get_filename (abfd));
2041 printf ("RELOCATION RECORDS FOR [%s]:", a->name);
2045 printf (" (none)\n\n");
2049 relpp = (arelent **) xmalloc (relsize);
2050 relcount = bfd_canonicalize_reloc (abfd, a, relpp, syms);
2052 bfd_fatal (bfd_get_filename (abfd));
2053 else if (relcount == 0)
2055 printf (" (none)\n\n");
2060 dump_reloc_set (abfd, a, relpp, relcount);
2069 dump_dynamic_relocs (abfd)
2076 relsize = bfd_get_dynamic_reloc_upper_bound (abfd);
2078 bfd_fatal (bfd_get_filename (abfd));
2080 printf ("DYNAMIC RELOCATION RECORDS");
2084 printf (" (none)\n\n");
2088 relpp = (arelent **) xmalloc (relsize);
2089 relcount = bfd_canonicalize_dynamic_reloc (abfd, relpp, dynsyms);
2091 bfd_fatal (bfd_get_filename (abfd));
2092 else if (relcount == 0)
2094 printf (" (none)\n\n");
2099 dump_reloc_set (abfd, (asection *) NULL, relpp, relcount);
2107 dump_reloc_set (abfd, sec, relpp, relcount)
2114 char *last_filename, *last_functionname;
2115 unsigned int last_line;
2117 /* Get column headers lined up reasonably. */
2123 sprintf_vma (buf, (bfd_vma) -1);
2124 width = strlen (buf) - 7;
2126 printf ("OFFSET %*s TYPE %*s VALUE \n", width, "", 12, "");
2129 last_filename = NULL;
2130 last_functionname = NULL;
2133 for (p = relpp; relcount && *p != (arelent *) NULL; p++, relcount--)
2136 const char *filename, *functionname;
2138 const char *sym_name;
2139 const char *section_name;
2141 if (start_address != (bfd_vma) -1
2142 && q->address < start_address)
2144 if (stop_address != (bfd_vma) -1
2145 && q->address > stop_address)
2148 if (with_line_numbers
2150 && bfd_find_nearest_line (abfd, sec, syms, q->address,
2151 &filename, &functionname, &line))
2153 if (functionname != NULL
2154 && (last_functionname == NULL
2155 || strcmp (functionname, last_functionname) != 0))
2157 printf ("%s():\n", functionname);
2158 if (last_functionname != NULL)
2159 free (last_functionname);
2160 last_functionname = xstrdup (functionname);
2163 && (line != last_line
2164 || (filename != NULL
2165 && last_filename != NULL
2166 && strcmp (filename, last_filename) != 0)))
2168 printf ("%s:%u\n", filename == NULL ? "???" : filename, line);
2170 if (last_filename != NULL)
2171 free (last_filename);
2172 if (filename == NULL)
2173 last_filename = NULL;
2175 last_filename = xstrdup (filename);
2179 if (q->sym_ptr_ptr && *q->sym_ptr_ptr)
2181 sym_name = (*(q->sym_ptr_ptr))->name;
2182 section_name = (*(q->sym_ptr_ptr))->section->name;
2187 section_name = NULL;
2191 printf_vma (q->address);
2192 printf (" %-16s %s",
2198 if (section_name == (CONST char *) NULL)
2199 section_name = "*unknown*";
2200 printf_vma (q->address);
2201 printf (" %-16s [%s]",
2208 printf_vma (q->addend);
2214 /* The length of the longest architecture name + 1. */
2215 #define LONGEST_ARCH sizeof("rs6000:6000")
2218 endian_string (endian)
2219 enum bfd_endian endian;
2221 if (endian == BFD_ENDIAN_BIG)
2222 return "big endian";
2223 else if (endian == BFD_ENDIAN_LITTLE)
2224 return "little endian";
2226 return "endianness unknown";
2229 /* List the targets that BFD is configured to support, each followed
2230 by its endianness and the architectures it supports. */
2233 display_target_list ()
2235 extern bfd_target *bfd_target_vector[];
2239 dummy_name = choose_temp_base ();
2240 for (t = 0; bfd_target_vector[t]; t++)
2242 bfd_target *p = bfd_target_vector[t];
2243 bfd *abfd = bfd_openw (dummy_name, p->name);
2246 printf ("%s\n (header %s, data %s)\n", p->name,
2247 endian_string (p->header_byteorder),
2248 endian_string (p->byteorder));
2252 bfd_nonfatal (dummy_name);
2256 if (! bfd_set_format (abfd, bfd_object))
2258 if (bfd_get_error () != bfd_error_invalid_operation)
2259 bfd_nonfatal (p->name);
2263 for (a = (int) bfd_arch_obscure + 1; a < (int) bfd_arch_last; a++)
2264 if (bfd_set_arch_mach (abfd, (enum bfd_architecture) a, 0))
2266 bfd_printable_arch_mach ((enum bfd_architecture) a, 0));
2268 unlink (dummy_name);
2272 /* Print a table showing which architectures are supported for entries
2273 FIRST through LAST-1 of bfd_target_vector (targets across,
2274 architectures down). */
2277 display_info_table (first, last)
2281 extern bfd_target *bfd_target_vector[];
2285 /* Print heading of target names. */
2286 printf ("\n%*s", (int) LONGEST_ARCH, " ");
2287 for (t = first; t < last && bfd_target_vector[t]; t++)
2288 printf ("%s ", bfd_target_vector[t]->name);
2291 dummy_name = choose_temp_base ();
2292 for (a = (int) bfd_arch_obscure + 1; a < (int) bfd_arch_last; a++)
2293 if (strcmp (bfd_printable_arch_mach (a, 0), "UNKNOWN!") != 0)
2295 printf ("%*s ", (int) LONGEST_ARCH - 1,
2296 bfd_printable_arch_mach (a, 0));
2297 for (t = first; t < last && bfd_target_vector[t]; t++)
2299 bfd_target *p = bfd_target_vector[t];
2301 bfd *abfd = bfd_openw (dummy_name, p->name);
2305 bfd_nonfatal (p->name);
2311 if (! bfd_set_format (abfd, bfd_object))
2313 if (bfd_get_error () != bfd_error_invalid_operation)
2314 bfd_nonfatal (p->name);
2321 if (! bfd_set_arch_mach (abfd, a, 0))
2326 printf ("%s ", p->name);
2329 int l = strlen (p->name);
2337 unlink (dummy_name);
2341 /* Print tables of all the target-architecture combinations that
2342 BFD has been configured to support. */
2345 display_target_tables ()
2348 extern bfd_target *bfd_target_vector[];
2350 extern char *getenv ();
2353 colum = getenv ("COLUMNS");
2355 columns = atoi (colum);
2360 while (bfd_target_vector[t] != NULL)
2364 wid = LONGEST_ARCH + strlen (bfd_target_vector[t]->name) + 1;
2366 while (wid < columns && bfd_target_vector[t] != NULL)
2370 newwid = wid + strlen (bfd_target_vector[t]->name) + 1;
2371 if (newwid >= columns)
2376 display_info_table (oldt, t);
2383 printf ("BFD header file version %s\n", BFD_VERSION);
2384 display_target_list ();
2385 display_target_tables ();
2394 char *target = default_target;
2395 boolean seenflag = false;
2397 program_name = *argv;
2398 xmalloc_set_program_name (program_name);
2400 START_PROGRESS (program_name, 0);
2404 while ((c = getopt_long (argc, argv, "pib:m:VdDlfahrRtTxsSj:wE:",
2405 long_options, (int *) 0))
2408 if (c != 'l' && c != OPTION_START_ADDRESS && c != OPTION_STOP_ADDRESS)
2413 break; /* we've been given a long option */
2421 with_line_numbers = 1;
2427 dump_file_header = true;
2430 formats_info = true;
2433 dump_private_headers = 1;
2436 dump_private_headers = 1;
2438 dump_reloc_info = 1;
2439 dump_file_header = true;
2441 dump_section_headers = 1;
2447 dump_dynamic_symtab = 1;
2453 disassemble = disassemble_all = true;
2457 with_source_code = true;
2460 dump_section_contents = 1;
2463 dump_reloc_info = 1;
2466 dump_dynamic_reloc_info = 1;
2472 dump_section_headers = 1;
2482 case OPTION_START_ADDRESS:
2483 start_address = parse_vma (optarg, "--start-address");
2485 case OPTION_STOP_ADDRESS:
2486 stop_address = parse_vma (optarg, "--stop-address");
2489 if (strcmp (optarg, "B") == 0)
2490 endian = BFD_ENDIAN_BIG;
2491 else if (strcmp (optarg, "L") == 0)
2492 endian = BFD_ENDIAN_LITTLE;
2495 fprintf (stderr, "%s: unrecognized -E option\n", program_name);
2500 if (strncmp (optarg, "big", strlen (optarg)) == 0)
2501 endian = BFD_ENDIAN_BIG;
2502 else if (strncmp (optarg, "little", strlen (optarg)) == 0)
2503 endian = BFD_ENDIAN_LITTLE;
2506 fprintf (stderr, "%s: unrecognized --endian type `%s'\n",
2507 program_name, optarg);
2517 print_version ("objdump");
2519 if (seenflag == false)
2529 display_file ("a.out", target);
2531 for (; optind < argc;)
2532 display_file (argv[optind++], target);
2535 END_PROGRESS (program_name);