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 info
->bytes_per_chunk
= 0;
1143 bytes
= (*disassemble_fn
) (section
->vma
+ i
, info
);
1144 info
->fprintf_func
= (fprintf_ftype
) fprintf
;
1145 info
->stream
= stdout
;
1146 if (info
->bytes_per_line
!= 0)
1147 bytes_per_line
= info
->bytes_per_line
;
1155 bytes
= bytes_per_line
;
1156 if (i
+ bytes
> stop
)
1159 for (j
= i
; j
< i
+ bytes
; ++j
)
1161 if (isprint (data
[j
]))
1162 buf
[j
- i
] = data
[j
];
1169 if (! prefix_addresses
|| show_raw_insn
)
1173 /* If ! prefix_addresses and ! wide_output, we print
1174 bytes_per_line bytes per line. */
1176 if (pb
> bytes_per_line
&& ! prefix_addresses
&& ! wide_output
)
1177 pb
= bytes_per_line
;
1179 if (info
->bytes_per_chunk
)
1180 bpc
= info
->bytes_per_chunk
;
1184 for (j
= i
; j
< i
+ pb
; j
+= bpc
)
1187 if (bpc
> 1 && info
->display_endian
== BFD_ENDIAN_LITTLE
)
1189 for (k
=bpc
-1; k
>= 0; k
--)
1190 printf ("%02x", (unsigned) data
[j
+k
]);
1195 for (k
=0; k
< bpc
; k
++)
1196 printf ("%02x", (unsigned) data
[j
+k
]);
1201 for (; pb
< bytes_per_line
; ++pb
)
1204 /* Separate raw data from instruction by extra space. */
1213 if (! prefix_addresses
|| show_raw_insn
)
1223 sprintf_vma (buf
, section
->vma
+ j
);
1224 for (s
= buf
+ skip_addr_chars
; *s
== '0'; s
++)
1228 printf ("%s:\t", buf
+ skip_addr_chars
);
1230 pb
+= bytes_per_line
;
1233 for (; j
< i
+ pb
; ++j
)
1235 printf ("%02x", (unsigned) data
[j
]);
1248 && (section
->flags
& SEC_RELOC
) != 0)
1250 while ((*relppp
) < relppend
1251 && ((**relppp
)->address
>= (bfd_vma
) i
1252 && (**relppp
)->address
< (bfd_vma
) i
+ bytes
))
1255 const char *sym_name
;
1264 objdump_print_value (section
->vma
+ q
->address
, info
, true);
1266 printf (": %s\t", q
->howto
->name
);
1268 if (q
->sym_ptr_ptr
!= NULL
1269 && *q
->sym_ptr_ptr
!= NULL
)
1271 sym_name
= bfd_asymbol_name (*q
->sym_ptr_ptr
);
1272 if (sym_name
== NULL
|| *sym_name
== '\0')
1276 sym_sec
= bfd_get_section (*q
->sym_ptr_ptr
);
1277 sym_name
= bfd_get_section_name (abfd
, sym_sec
);
1278 if (sym_name
== NULL
|| *sym_name
== '\0')
1279 sym_name
= "*unknown*";
1283 sym_name
= "*unknown*";
1285 printf ("%s", sym_name
);
1290 objdump_print_value (q
->addend
, info
, true);
1306 /* Disassemble the contents of an object file. */
1309 disassemble_data (abfd
)
1313 disassembler_ftype disassemble_fn
;
1314 struct disassemble_info disasm_info
;
1315 struct objdump_disasm_info aux
;
1319 prev_functionname
= NULL
;
1322 /* We make a copy of syms to sort. We don't want to sort syms
1323 because that will screw up the relocs. */
1324 sorted_syms
= (asymbol
**) xmalloc (symcount
* sizeof (asymbol
*));
1325 memcpy (sorted_syms
, syms
, symcount
* sizeof (asymbol
*));
1327 sorted_symcount
= remove_useless_symbols (sorted_syms
, symcount
);
1329 /* Sort the symbols into section and symbol order */
1330 qsort (sorted_syms
, sorted_symcount
, sizeof (asymbol
*), compare_symbols
);
1332 INIT_DISASSEMBLE_INFO(disasm_info
, stdout
, fprintf
);
1333 disasm_info
.application_data
= (PTR
) &aux
;
1335 aux
.require_sec
= false;
1336 disasm_info
.print_address_func
= objdump_print_address
;
1338 if (machine
!= (char *) NULL
)
1340 const bfd_arch_info_type
*info
= bfd_scan_arch (machine
);
1343 fprintf (stderr
, "%s: Can't use supplied machine %s\n",
1348 abfd
->arch_info
= info
;
1351 if (endian
!= BFD_ENDIAN_UNKNOWN
)
1353 struct bfd_target
*xvec
;
1355 xvec
= (struct bfd_target
*) xmalloc (sizeof (struct bfd_target
));
1356 memcpy (xvec
, abfd
->xvec
, sizeof (struct bfd_target
));
1357 xvec
->byteorder
= endian
;
1361 disassemble_fn
= disassembler (abfd
);
1362 if (!disassemble_fn
)
1364 fprintf (stderr
, "%s: Can't disassemble for architecture %s\n",
1366 bfd_printable_arch_mach (bfd_get_arch (abfd
), 0));
1370 disasm_info
.flavour
= bfd_get_flavour (abfd
);
1371 disasm_info
.arch
= bfd_get_arch (abfd
);
1372 disasm_info
.mach
= bfd_get_mach (abfd
);
1373 if (bfd_big_endian (abfd
))
1374 disasm_info
.endian
= BFD_ENDIAN_BIG
;
1375 else if (bfd_little_endian (abfd
))
1376 disasm_info
.endian
= BFD_ENDIAN_LITTLE
;
1378 /* ??? Aborting here seems too drastic. We could default to big or little
1380 disasm_info
.endian
= BFD_ENDIAN_UNKNOWN
;
1382 for (section
= abfd
->sections
;
1383 section
!= (asection
*) NULL
;
1384 section
= section
->next
)
1386 bfd_byte
*data
= NULL
;
1387 bfd_size_type datasize
= 0;
1388 arelent
**relbuf
= NULL
;
1389 arelent
**relpp
= NULL
;
1390 arelent
**relppend
= NULL
;
1393 if ((section
->flags
& SEC_LOAD
) == 0
1394 || (! disassemble_all
1396 && (section
->flags
& SEC_CODE
) == 0))
1398 if (only
!= (char *) NULL
&& strcmp (only
, section
->name
) != 0)
1402 && (section
->flags
& SEC_RELOC
) != 0)
1406 relsize
= bfd_get_reloc_upper_bound (abfd
, section
);
1408 bfd_fatal (bfd_get_filename (abfd
));
1414 relbuf
= (arelent
**) xmalloc (relsize
);
1415 relcount
= bfd_canonicalize_reloc (abfd
, section
, relbuf
, syms
);
1417 bfd_fatal (bfd_get_filename (abfd
));
1419 /* Sort the relocs by address. */
1420 qsort (relbuf
, relcount
, sizeof (arelent
*), compare_relocs
);
1423 relppend
= relpp
+ relcount
;
1427 printf ("Disassembly of section %s:\n", section
->name
);
1429 datasize
= bfd_get_section_size_before_reloc (section
);
1433 data
= (bfd_byte
*) xmalloc ((size_t) datasize
);
1435 bfd_get_section_contents (abfd
, section
, data
, 0, datasize
);
1438 disasm_info
.buffer
= data
;
1439 disasm_info
.buffer_vma
= section
->vma
;
1440 disasm_info
.buffer_length
= datasize
;
1441 if (start_address
== (bfd_vma
) -1
1442 || start_address
< disasm_info
.buffer_vma
)
1445 i
= start_address
- disasm_info
.buffer_vma
;
1446 if (stop_address
== (bfd_vma
) -1)
1450 if (stop_address
< disasm_info
.buffer_vma
)
1453 stop
= stop_address
- disasm_info
.buffer_vma
;
1454 if (stop
> disasm_info
.buffer_length
)
1455 stop
= disasm_info
.buffer_length
;
1458 if (prefix_addresses
)
1459 disassemble_bytes (&disasm_info
, disassemble_fn
, true, data
, i
, stop
,
1466 sym
= find_symbol_for_address (abfd
, section
, i
, true, &place
);
1474 disasm_info
.symbol
= sym
;
1477 objdump_print_addr_with_sym (abfd
, section
, sym
,
1487 while (place
< sorted_symcount
1488 && (sorted_syms
[place
]->section
!= section
1489 || (bfd_asymbol_value (sorted_syms
[place
])
1490 <= bfd_asymbol_value (sym
))))
1492 if (place
>= sorted_symcount
)
1495 nextsym
= sorted_syms
[place
];
1498 if (nextsym
== NULL
)
1502 nextstop
= bfd_asymbol_value (nextsym
) - section
->vma
;
1503 if (nextstop
> stop
)
1507 /* If a symbol is explicitly marked as being an object
1508 rather than a function, just dump the bytes without
1509 disassembling them. */
1512 || ((sym
->flags
& BSF_OBJECT
) == 0
1513 && (strstr (bfd_asymbol_name (sym
), "gnu_compiled")
1515 && (strstr (bfd_asymbol_name (sym
), "gcc2_compiled")
1517 || (sym
->flags
& BSF_FUNCTION
) != 0)
1522 disassemble_bytes (&disasm_info
, disassemble_fn
, insns
, data
, i
,
1523 nextstop
, &relpp
, relppend
);
1538 /* Define a table of stab values and print-strings. We wish the initializer
1539 could be a direct-mapped table, but instead we build one the first
1542 static void dump_section_stabs
PARAMS ((bfd
*abfd
, char *stabsect_name
,
1543 char *strsect_name
));
1545 /* Dump the stabs sections from an object file that has a section that
1546 uses Sun stabs encoding. */
1552 dump_section_stabs (abfd
, ".stab", ".stabstr");
1553 dump_section_stabs (abfd
, ".stab.excl", ".stab.exclstr");
1554 dump_section_stabs (abfd
, ".stab.index", ".stab.indexstr");
1555 dump_section_stabs (abfd
, "$GDB_SYMBOLS$", "$GDB_STRINGS$");
1558 static bfd_byte
*stabs
;
1559 static bfd_size_type stab_size
;
1561 static char *strtab
;
1562 static bfd_size_type stabstr_size
;
1564 /* Read ABFD's stabs section STABSECT_NAME into `stabs'
1565 and string table section STRSECT_NAME into `strtab'.
1566 If the section exists and was read, allocate the space and return true.
1567 Otherwise return false. */
1570 read_section_stabs (abfd
, stabsect_name
, strsect_name
)
1572 char *stabsect_name
;
1575 asection
*stabsect
, *stabstrsect
;
1577 stabsect
= bfd_get_section_by_name (abfd
, stabsect_name
);
1580 printf ("No %s section present\n\n", stabsect_name
);
1584 stabstrsect
= bfd_get_section_by_name (abfd
, strsect_name
);
1585 if (0 == stabstrsect
)
1587 fprintf (stderr
, "%s: %s has no %s section\n", program_name
,
1588 bfd_get_filename (abfd
), strsect_name
);
1592 stab_size
= bfd_section_size (abfd
, stabsect
);
1593 stabstr_size
= bfd_section_size (abfd
, stabstrsect
);
1595 stabs
= (bfd_byte
*) xmalloc (stab_size
);
1596 strtab
= (char *) xmalloc (stabstr_size
);
1598 if (! bfd_get_section_contents (abfd
, stabsect
, (PTR
) stabs
, 0, stab_size
))
1600 fprintf (stderr
, "%s: Reading %s section of %s failed: %s\n",
1601 program_name
, stabsect_name
, bfd_get_filename (abfd
),
1602 bfd_errmsg (bfd_get_error ()));
1608 if (! bfd_get_section_contents (abfd
, stabstrsect
, (PTR
) strtab
, 0,
1611 fprintf (stderr
, "%s: Reading %s section of %s failed: %s\n",
1612 program_name
, strsect_name
, bfd_get_filename (abfd
),
1613 bfd_errmsg (bfd_get_error ()));
1622 /* Stabs entries use a 12 byte format:
1623 4 byte string table index
1625 1 byte stab other field
1626 2 byte stab desc field
1628 FIXME: This will have to change for a 64 bit object format. */
1630 #define STRDXOFF (0)
1632 #define OTHEROFF (5)
1635 #define STABSIZE (12)
1637 /* Print ABFD's stabs section STABSECT_NAME (in `stabs'),
1638 using string table section STRSECT_NAME (in `strtab'). */
1641 print_section_stabs (abfd
, stabsect_name
, strsect_name
)
1643 char *stabsect_name
;
1647 unsigned file_string_table_offset
= 0, next_file_string_table_offset
= 0;
1648 bfd_byte
*stabp
, *stabs_end
;
1651 stabs_end
= stabp
+ stab_size
;
1653 printf ("Contents of %s section:\n\n", stabsect_name
);
1654 printf ("Symnum n_type n_othr n_desc n_value n_strx String\n");
1656 /* Loop through all symbols and print them.
1658 We start the index at -1 because there is a dummy symbol on
1659 the front of stabs-in-{coff,elf} sections that supplies sizes. */
1661 for (i
= -1; stabp
< stabs_end
; stabp
+= STABSIZE
, i
++)
1665 unsigned char type
, other
;
1666 unsigned short desc
;
1669 strx
= bfd_h_get_32 (abfd
, stabp
+ STRDXOFF
);
1670 type
= bfd_h_get_8 (abfd
, stabp
+ TYPEOFF
);
1671 other
= bfd_h_get_8 (abfd
, stabp
+ OTHEROFF
);
1672 desc
= bfd_h_get_16 (abfd
, stabp
+ DESCOFF
);
1673 value
= bfd_h_get_32 (abfd
, stabp
+ VALOFF
);
1675 printf ("\n%-6d ", i
);
1676 /* Either print the stab name, or, if unnamed, print its number
1677 again (makes consistent formatting for tools like awk). */
1678 name
= bfd_get_stab_name (type
);
1680 printf ("%-6s", name
);
1681 else if (type
== N_UNDF
)
1684 printf ("%-6d", type
);
1685 printf (" %-6d %-6d ", other
, desc
);
1687 printf (" %-6lu", strx
);
1689 /* Symbols with type == 0 (N_UNDF) specify the length of the
1690 string table associated with this file. We use that info
1691 to know how to relocate the *next* file's string table indices. */
1695 file_string_table_offset
= next_file_string_table_offset
;
1696 next_file_string_table_offset
+= value
;
1700 /* Using the (possibly updated) string table offset, print the
1701 string (if any) associated with this symbol. */
1703 if ((strx
+ file_string_table_offset
) < stabstr_size
)
1704 printf (" %s", &strtab
[strx
+ file_string_table_offset
]);
1713 dump_section_stabs (abfd
, stabsect_name
, strsect_name
)
1715 char *stabsect_name
;
1720 /* Check for section names for which stabsect_name is a prefix, to
1721 handle .stab0, etc. */
1722 for (s
= abfd
->sections
;
1728 len
= strlen (stabsect_name
);
1730 /* If the prefix matches, and the files section name ends with a nul or a digit,
1731 then we match. Ie: we want either an exact match or a a section followed by
1733 if (strncmp (stabsect_name
, s
->name
, len
) == 0
1734 && (s
->name
[len
] == '\000' || isdigit (s
->name
[len
])))
1736 if (read_section_stabs (abfd
, s
->name
, strsect_name
))
1738 print_section_stabs (abfd
, s
->name
, strsect_name
);
1747 dump_bfd_header (abfd
)
1752 printf ("architecture: %s, ",
1753 bfd_printable_arch_mach (bfd_get_arch (abfd
),
1754 bfd_get_mach (abfd
)));
1755 printf ("flags 0x%08x:\n", abfd
->flags
);
1757 #define PF(x, y) if (abfd->flags & x) {printf("%s%s", comma, y); comma=", ";}
1758 PF (HAS_RELOC
, "HAS_RELOC");
1759 PF (EXEC_P
, "EXEC_P");
1760 PF (HAS_LINENO
, "HAS_LINENO");
1761 PF (HAS_DEBUG
, "HAS_DEBUG");
1762 PF (HAS_SYMS
, "HAS_SYMS");
1763 PF (HAS_LOCALS
, "HAS_LOCALS");
1764 PF (DYNAMIC
, "DYNAMIC");
1765 PF (WP_TEXT
, "WP_TEXT");
1766 PF (D_PAGED
, "D_PAGED");
1767 PF (BFD_IS_RELAXABLE
, "BFD_IS_RELAXABLE");
1768 printf ("\nstart address 0x");
1769 printf_vma (abfd
->start_address
);
1774 dump_bfd_private_header (abfd
)
1777 bfd_print_private_bfd_data (abfd
, stdout
);
1786 if (!bfd_check_format_matches (abfd
, bfd_object
, &matching
))
1788 bfd_nonfatal (bfd_get_filename (abfd
));
1789 if (bfd_get_error () == bfd_error_file_ambiguously_recognized
)
1791 list_matching_formats (matching
);
1797 printf ("\n%s: file format %s\n", bfd_get_filename (abfd
),
1800 print_arelt_descr (stdout
, abfd
, true);
1801 if (dump_file_header
)
1802 dump_bfd_header (abfd
);
1803 if (dump_private_headers
)
1804 dump_bfd_private_header (abfd
);
1806 if (dump_section_headers
)
1807 dump_headers (abfd
);
1808 if (dump_symtab
|| dump_reloc_info
|| disassemble
|| dump_debugging
)
1810 syms
= slurp_symtab (abfd
);
1812 if (dump_dynamic_symtab
|| dump_dynamic_reloc_info
)
1814 dynsyms
= slurp_dynamic_symtab (abfd
);
1817 dump_symbols (abfd
, false);
1818 if (dump_dynamic_symtab
)
1819 dump_symbols (abfd
, true);
1820 if (dump_stab_section_info
)
1822 if (dump_reloc_info
&& ! disassemble
)
1824 if (dump_dynamic_reloc_info
)
1825 dump_dynamic_relocs (abfd
);
1826 if (dump_section_contents
)
1829 disassemble_data (abfd
);
1834 dhandle
= read_debugging_info (abfd
, syms
, symcount
);
1835 if (dhandle
!= NULL
)
1837 if (! print_debugging_info (stdout
, dhandle
))
1838 fprintf (stderr
, "%s: printing debugging information failed\n",
1839 bfd_get_filename (abfd
));
1855 display_file (filename
, target
)
1859 bfd
*file
, *arfile
= (bfd
*) NULL
;
1861 file
= bfd_openr (filename
, target
);
1864 bfd_nonfatal (filename
);
1868 if (bfd_check_format (file
, bfd_archive
) == true)
1870 bfd
*last_arfile
= NULL
;
1872 printf ("In archive %s:\n", bfd_get_filename (file
));
1875 bfd_set_error (bfd_error_no_error
);
1877 arfile
= bfd_openr_next_archived_file (file
, arfile
);
1880 if (bfd_get_error () != bfd_error_no_more_archived_files
)
1882 bfd_nonfatal (bfd_get_filename (file
));
1887 display_bfd (arfile
);
1889 if (last_arfile
!= NULL
)
1890 bfd_close (last_arfile
);
1891 last_arfile
= arfile
;
1894 if (last_arfile
!= NULL
)
1895 bfd_close (last_arfile
);
1903 /* Actually display the various requested regions */
1911 bfd_size_type datasize
= 0;
1913 bfd_size_type start
, stop
;
1915 for (section
= abfd
->sections
; section
!= NULL
; section
=
1920 if (only
== (char *) NULL
||
1921 strcmp (only
, section
->name
) == 0)
1923 if (section
->flags
& SEC_HAS_CONTENTS
)
1925 printf ("Contents of section %s:\n", section
->name
);
1927 if (bfd_section_size (abfd
, section
) == 0)
1929 data
= (bfd_byte
*) xmalloc ((size_t) bfd_section_size (abfd
, section
));
1930 datasize
= bfd_section_size (abfd
, section
);
1933 bfd_get_section_contents (abfd
, section
, (PTR
) data
, 0, bfd_section_size (abfd
, section
));
1935 if (start_address
== (bfd_vma
) -1
1936 || start_address
< section
->vma
)
1939 start
= start_address
- section
->vma
;
1940 if (stop_address
== (bfd_vma
) -1)
1941 stop
= bfd_section_size (abfd
, section
);
1944 if (stop_address
< section
->vma
)
1947 stop
= stop_address
- section
->vma
;
1948 if (stop
> bfd_section_size (abfd
, section
))
1949 stop
= bfd_section_size (abfd
, section
);
1951 for (i
= start
; i
< stop
; i
+= onaline
)
1955 printf (" %04lx ", (unsigned long int) (i
+ section
->vma
));
1956 for (j
= i
; j
< i
+ onaline
; j
++)
1959 printf ("%02x", (unsigned) (data
[j
]));
1967 for (j
= i
; j
< i
+ onaline
; j
++)
1972 printf ("%c", isprint (data
[j
]) ? data
[j
] : '.');
1982 /* Should perhaps share code and display with nm? */
1984 dump_symbols (abfd
, dynamic
)
1998 printf ("DYNAMIC SYMBOL TABLE:\n");
2006 printf ("SYMBOL TABLE:\n");
2009 for (count
= 0; count
< max
; count
++)
2013 bfd
*cur_bfd
= bfd_asymbol_bfd(*current
);
2016 bfd_print_symbol (cur_bfd
,
2018 *current
, bfd_print_symbol_all
);
2036 for (a
= abfd
->sections
; a
!= (asection
*) NULL
; a
= a
->next
)
2040 if (bfd_is_abs_section (a
))
2042 if (bfd_is_und_section (a
))
2044 if (bfd_is_com_section (a
))
2049 if (strcmp (only
, a
->name
))
2052 else if ((a
->flags
& SEC_RELOC
) == 0)
2055 relsize
= bfd_get_reloc_upper_bound (abfd
, a
);
2057 bfd_fatal (bfd_get_filename (abfd
));
2059 printf ("RELOCATION RECORDS FOR [%s]:", a
->name
);
2063 printf (" (none)\n\n");
2067 relpp
= (arelent
**) xmalloc (relsize
);
2068 relcount
= bfd_canonicalize_reloc (abfd
, a
, relpp
, syms
);
2070 bfd_fatal (bfd_get_filename (abfd
));
2071 else if (relcount
== 0)
2073 printf (" (none)\n\n");
2078 dump_reloc_set (abfd
, a
, relpp
, relcount
);
2087 dump_dynamic_relocs (abfd
)
2094 relsize
= bfd_get_dynamic_reloc_upper_bound (abfd
);
2096 bfd_fatal (bfd_get_filename (abfd
));
2098 printf ("DYNAMIC RELOCATION RECORDS");
2102 printf (" (none)\n\n");
2106 relpp
= (arelent
**) xmalloc (relsize
);
2107 relcount
= bfd_canonicalize_dynamic_reloc (abfd
, relpp
, dynsyms
);
2109 bfd_fatal (bfd_get_filename (abfd
));
2110 else if (relcount
== 0)
2112 printf (" (none)\n\n");
2117 dump_reloc_set (abfd
, (asection
*) NULL
, relpp
, relcount
);
2125 dump_reloc_set (abfd
, sec
, relpp
, relcount
)
2132 char *last_filename
, *last_functionname
;
2133 unsigned int last_line
;
2135 /* Get column headers lined up reasonably. */
2141 sprintf_vma (buf
, (bfd_vma
) -1);
2142 width
= strlen (buf
) - 7;
2144 printf ("OFFSET %*s TYPE %*s VALUE \n", width
, "", 12, "");
2147 last_filename
= NULL
;
2148 last_functionname
= NULL
;
2151 for (p
= relpp
; relcount
&& *p
!= (arelent
*) NULL
; p
++, relcount
--)
2154 const char *filename
, *functionname
;
2156 const char *sym_name
;
2157 const char *section_name
;
2159 if (start_address
!= (bfd_vma
) -1
2160 && q
->address
< start_address
)
2162 if (stop_address
!= (bfd_vma
) -1
2163 && q
->address
> stop_address
)
2166 if (with_line_numbers
2168 && bfd_find_nearest_line (abfd
, sec
, syms
, q
->address
,
2169 &filename
, &functionname
, &line
))
2171 if (functionname
!= NULL
2172 && (last_functionname
== NULL
2173 || strcmp (functionname
, last_functionname
) != 0))
2175 printf ("%s():\n", functionname
);
2176 if (last_functionname
!= NULL
)
2177 free (last_functionname
);
2178 last_functionname
= xstrdup (functionname
);
2181 && (line
!= last_line
2182 || (filename
!= NULL
2183 && last_filename
!= NULL
2184 && strcmp (filename
, last_filename
) != 0)))
2186 printf ("%s:%u\n", filename
== NULL
? "???" : filename
, line
);
2188 if (last_filename
!= NULL
)
2189 free (last_filename
);
2190 if (filename
== NULL
)
2191 last_filename
= NULL
;
2193 last_filename
= xstrdup (filename
);
2197 if (q
->sym_ptr_ptr
&& *q
->sym_ptr_ptr
)
2199 sym_name
= (*(q
->sym_ptr_ptr
))->name
;
2200 section_name
= (*(q
->sym_ptr_ptr
))->section
->name
;
2205 section_name
= NULL
;
2209 printf_vma (q
->address
);
2210 printf (" %-16s %s",
2216 if (section_name
== (CONST
char *) NULL
)
2217 section_name
= "*unknown*";
2218 printf_vma (q
->address
);
2219 printf (" %-16s [%s]",
2226 printf_vma (q
->addend
);
2232 /* The length of the longest architecture name + 1. */
2233 #define LONGEST_ARCH sizeof("rs6000:6000")
2236 endian_string (endian
)
2237 enum bfd_endian endian
;
2239 if (endian
== BFD_ENDIAN_BIG
)
2240 return "big endian";
2241 else if (endian
== BFD_ENDIAN_LITTLE
)
2242 return "little endian";
2244 return "endianness unknown";
2247 /* List the targets that BFD is configured to support, each followed
2248 by its endianness and the architectures it supports. */
2251 display_target_list ()
2253 extern bfd_target
*bfd_target_vector
[];
2257 dummy_name
= choose_temp_base ();
2258 for (t
= 0; bfd_target_vector
[t
]; t
++)
2260 bfd_target
*p
= bfd_target_vector
[t
];
2261 bfd
*abfd
= bfd_openw (dummy_name
, p
->name
);
2264 printf ("%s\n (header %s, data %s)\n", p
->name
,
2265 endian_string (p
->header_byteorder
),
2266 endian_string (p
->byteorder
));
2270 bfd_nonfatal (dummy_name
);
2274 if (! bfd_set_format (abfd
, bfd_object
))
2276 if (bfd_get_error () != bfd_error_invalid_operation
)
2277 bfd_nonfatal (p
->name
);
2281 for (a
= (int) bfd_arch_obscure
+ 1; a
< (int) bfd_arch_last
; a
++)
2282 if (bfd_set_arch_mach (abfd
, (enum bfd_architecture
) a
, 0))
2284 bfd_printable_arch_mach ((enum bfd_architecture
) a
, 0));
2286 unlink (dummy_name
);
2290 /* Print a table showing which architectures are supported for entries
2291 FIRST through LAST-1 of bfd_target_vector (targets across,
2292 architectures down). */
2295 display_info_table (first
, last
)
2299 extern bfd_target
*bfd_target_vector
[];
2303 /* Print heading of target names. */
2304 printf ("\n%*s", (int) LONGEST_ARCH
, " ");
2305 for (t
= first
; t
< last
&& bfd_target_vector
[t
]; t
++)
2306 printf ("%s ", bfd_target_vector
[t
]->name
);
2309 dummy_name
= choose_temp_base ();
2310 for (a
= (int) bfd_arch_obscure
+ 1; a
< (int) bfd_arch_last
; a
++)
2311 if (strcmp (bfd_printable_arch_mach (a
, 0), "UNKNOWN!") != 0)
2313 printf ("%*s ", (int) LONGEST_ARCH
- 1,
2314 bfd_printable_arch_mach (a
, 0));
2315 for (t
= first
; t
< last
&& bfd_target_vector
[t
]; t
++)
2317 bfd_target
*p
= bfd_target_vector
[t
];
2319 bfd
*abfd
= bfd_openw (dummy_name
, p
->name
);
2323 bfd_nonfatal (p
->name
);
2329 if (! bfd_set_format (abfd
, bfd_object
))
2331 if (bfd_get_error () != bfd_error_invalid_operation
)
2332 bfd_nonfatal (p
->name
);
2339 if (! bfd_set_arch_mach (abfd
, a
, 0))
2344 printf ("%s ", p
->name
);
2347 int l
= strlen (p
->name
);
2355 unlink (dummy_name
);
2359 /* Print tables of all the target-architecture combinations that
2360 BFD has been configured to support. */
2363 display_target_tables ()
2366 extern bfd_target
*bfd_target_vector
[];
2368 extern char *getenv ();
2371 colum
= getenv ("COLUMNS");
2373 columns
= atoi (colum
);
2378 while (bfd_target_vector
[t
] != NULL
)
2382 wid
= LONGEST_ARCH
+ strlen (bfd_target_vector
[t
]->name
) + 1;
2384 while (wid
< columns
&& bfd_target_vector
[t
] != NULL
)
2388 newwid
= wid
+ strlen (bfd_target_vector
[t
]->name
) + 1;
2389 if (newwid
>= columns
)
2394 display_info_table (oldt
, t
);
2401 printf ("BFD header file version %s\n", BFD_VERSION
);
2402 display_target_list ();
2403 display_target_tables ();
2412 char *target
= default_target
;
2413 boolean seenflag
= false;
2415 program_name
= *argv
;
2416 xmalloc_set_program_name (program_name
);
2418 START_PROGRESS (program_name
, 0);
2422 while ((c
= getopt_long (argc
, argv
, "pib:m:VdDlfahrRtTxsSj:wE:",
2423 long_options
, (int *) 0))
2426 if (c
!= 'l' && c
!= OPTION_START_ADDRESS
&& c
!= OPTION_STOP_ADDRESS
)
2431 break; /* we've been given a long option */
2439 with_line_numbers
= 1;
2445 dump_file_header
= true;
2448 formats_info
= true;
2451 dump_private_headers
= 1;
2454 dump_private_headers
= 1;
2456 dump_reloc_info
= 1;
2457 dump_file_header
= true;
2459 dump_section_headers
= 1;
2465 dump_dynamic_symtab
= 1;
2471 disassemble
= disassemble_all
= true;
2475 with_source_code
= true;
2478 dump_section_contents
= 1;
2481 dump_reloc_info
= 1;
2484 dump_dynamic_reloc_info
= 1;
2490 dump_section_headers
= 1;
2500 case OPTION_START_ADDRESS
:
2501 start_address
= parse_vma (optarg
, "--start-address");
2503 case OPTION_STOP_ADDRESS
:
2504 stop_address
= parse_vma (optarg
, "--stop-address");
2507 if (strcmp (optarg
, "B") == 0)
2508 endian
= BFD_ENDIAN_BIG
;
2509 else if (strcmp (optarg
, "L") == 0)
2510 endian
= BFD_ENDIAN_LITTLE
;
2513 fprintf (stderr
, "%s: unrecognized -E option\n", program_name
);
2518 if (strncmp (optarg
, "big", strlen (optarg
)) == 0)
2519 endian
= BFD_ENDIAN_BIG
;
2520 else if (strncmp (optarg
, "little", strlen (optarg
)) == 0)
2521 endian
= BFD_ENDIAN_LITTLE
;
2524 fprintf (stderr
, "%s: unrecognized --endian type `%s'\n",
2525 program_name
, optarg
);
2535 print_version ("objdump");
2537 if (seenflag
== false)
2547 display_file ("a.out", target
);
2549 for (; optind
< argc
;)
2550 display_file (argv
[optind
++], target
);
2553 END_PROGRESS (program_name
);