a65619c8fd
* dlltool.c (add_indirect): New. (asm_prefix): New (gen_exp_file): Timestamp should be 0. Insert prefix when needed. New code for indirection. (gen_lib_file): Timestamp should be 0. Insert prefix when needed. (usage): Document --add-indirect. (main): Cope with new option. * objdump.c (dump_private_headers): New. (usage): Document new option. (long_option): Add private-headers. (dump_bfd_private_header): New. (main): Cope with new option.
1830 lines
42 KiB
C
1830 lines
42 KiB
C
/* objdump.c -- dump information about an object file.
|
||
Copyright 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
|
||
|
||
This file is part of GNU Binutils.
|
||
|
||
This program is free software; you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation; either version 2, or (at your option)
|
||
any later version.
|
||
|
||
This program is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with this program; if not, write to the Free Software
|
||
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||
|
||
#include "bfd.h"
|
||
#include "sysdep.h"
|
||
#include "getopt.h"
|
||
#include "progress.h"
|
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#include "bucomm.h"
|
||
#include <stdio.h>
|
||
#include <ctype.h>
|
||
#include "dis-asm.h"
|
||
#include "libiberty.h"
|
||
|
||
/* Internal headers for the ELF .stab-dump code - sorry. */
|
||
#define BYTES_IN_WORD 32
|
||
#include "aout/aout64.h"
|
||
|
||
#ifndef FPRINTF_ALREADY_DECLARED
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extern int fprintf PARAMS ((FILE *, CONST char *, ...));
|
||
#endif
|
||
|
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char *default_target = NULL; /* default at runtime */
|
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extern char *program_version;
|
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int show_version = 0; /* show the version number */
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int dump_section_contents; /* -s */
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int dump_section_headers; /* -h */
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boolean dump_file_header; /* -f */
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int dump_symtab; /* -t */
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int dump_dynamic_symtab; /* -T */
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int dump_reloc_info; /* -r */
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int dump_dynamic_reloc_info; /* -R */
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int dump_ar_hdrs; /* -a */
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||
int dump_private_headers; /* -p */
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||
int with_line_numbers; /* -l */
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boolean with_source_code; /* -S */
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int dump_stab_section_info; /* --stabs */
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boolean disassemble; /* -d */
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boolean disassemble_all; /* -D */
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boolean formats_info; /* -i */
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char *only; /* -j secname */
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int wide_output; /* -w */
|
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/* Extra info to pass to the disassembler address printing function. */
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struct objdump_disasm_info {
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bfd *abfd;
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asection *sec;
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boolean require_sec;
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};
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/* Architecture to disassemble for, or default if NULL. */
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char *machine = (char *) NULL;
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||
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/* The symbol table. */
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asymbol **syms;
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/* Number of symbols in `syms'. */
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long symcount = 0;
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/* The sorted symbol table. */
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asymbol **sorted_syms;
|
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/* Number of symbols in `sorted_syms'. */
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long sorted_symcount = 0;
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|
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/* The dynamic symbol table. */
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asymbol **dynsyms;
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/* Number of symbols in `dynsyms'. */
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long dynsymcount = 0;
|
||
|
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/* Forward declarations. */
|
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static void
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display_file PARAMS ((char *filename, char *target));
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static void
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dump_data PARAMS ((bfd *abfd));
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static void
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dump_relocs PARAMS ((bfd *abfd));
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static void
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dump_dynamic_relocs PARAMS ((bfd * abfd));
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|
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static void
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dump_reloc_set PARAMS ((bfd *, arelent **, long));
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static void
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dump_symbols PARAMS ((bfd *abfd, boolean dynamic));
|
||
|
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static void
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display_bfd PARAMS ((bfd *abfd));
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|
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static void
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objdump_print_address PARAMS ((bfd_vma, struct disassemble_info *));
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static void
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show_line PARAMS ((bfd *, asection *, bfd_vma));
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void
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usage (stream, status)
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FILE *stream;
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int status;
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{
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fprintf (stream, "\
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Usage: %s [-ahifdDprRtTxsSlw] [-b bfdname] [-m machine] [-j section-name]\n\
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[--archive-headers] [--target=bfdname] [--disassemble]\n\
|
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[--disassemble-all] [--file-headers] [--section-headers] [--headers]\n\
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[--info] [--section=section-name] [--line-numbers] [--source]\n",
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program_name);
|
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fprintf (stream, "\
|
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[--architecture=machine] [--reloc] [--full-contents] [--stabs]\n\
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[--syms] [--all-headers] [--dynamic-syms] [--dynamic-reloc]\n\
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[--wide] [--version] [--help] [--private-headers] objfile...\n\
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at least one option besides -l (--line-numbers) must be given\n");
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list_supported_targets (program_name, stream);
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exit (status);
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}
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static struct option long_options[]=
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||
{
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{"all-headers", no_argument, NULL, 'x'},
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{"private-headers", no_argument, NULL, 'p'},
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{"architecture", required_argument, NULL, 'm'},
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{"archive-headers", no_argument, NULL, 'a'},
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{"disassemble", no_argument, NULL, 'd'},
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{"disassemble-all", no_argument, NULL, 'D'},
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{"dynamic-reloc", no_argument, NULL, 'R'},
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{"dynamic-syms", no_argument, NULL, 'T'},
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{"file-headers", no_argument, NULL, 'f'},
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{"full-contents", no_argument, NULL, 's'},
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{"headers", no_argument, NULL, 'h'},
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{"help", no_argument, NULL, 'H'},
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{"info", no_argument, NULL, 'i'},
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{"line-numbers", no_argument, NULL, 'l'},
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{"reloc", no_argument, NULL, 'r'},
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{"section", required_argument, NULL, 'j'},
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{"section-headers", no_argument, NULL, 'h'},
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{"source", no_argument, NULL, 'S'},
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{"stabs", no_argument, &dump_stab_section_info, 1},
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{"syms", no_argument, NULL, 't'},
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{"target", required_argument, NULL, 'b'},
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{"version", no_argument, &show_version, 1},
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{"wide", no_argument, &wide_output, 'w'},
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{0, no_argument, 0, 0}
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};
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static void
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dump_section_header (abfd, section, ignored)
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bfd *abfd;
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asection *section;
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PTR ignored;
|
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{
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char *comma = "";
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#define PF(x,y) \
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if (section->flags & x) { printf("%s%s",comma,y); comma = ", "; }
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printf ("SECTION %d [%s]\t: size %08x",
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section->index,
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section->name,
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(unsigned) bfd_get_section_size_before_reloc (section));
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printf (" vma ");
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printf_vma (section->vma);
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printf (" lma ");
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printf_vma (section->lma);
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printf (" align 2**%u%s ",
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section->alignment_power, (wide_output) ? "" : "\n");
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PF (SEC_ALLOC, "ALLOC");
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PF (SEC_CONSTRUCTOR, "CONSTRUCTOR");
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PF (SEC_CONSTRUCTOR_TEXT, "CONSTRUCTOR TEXT");
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PF (SEC_CONSTRUCTOR_DATA, "CONSTRUCTOR DATA");
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PF (SEC_CONSTRUCTOR_BSS, "CONSTRUCTOR BSS");
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PF (SEC_LOAD, "LOAD");
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PF (SEC_RELOC, "RELOC");
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#ifdef SEC_BALIGN
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PF (SEC_BALIGN, "BALIGN");
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#endif
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PF (SEC_READONLY, "READONLY");
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PF (SEC_CODE, "CODE");
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PF (SEC_DATA, "DATA");
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PF (SEC_ROM, "ROM");
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PF (SEC_DEBUGGING, "DEBUGGING");
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PF (SEC_NEVER_LOAD, "NEVER_LOAD");
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printf ("\n");
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#undef PF
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}
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static void
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dump_headers (abfd)
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bfd *abfd;
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{
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bfd_map_over_sections (abfd, dump_section_header, (PTR) NULL);
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}
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static asymbol **
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slurp_symtab (abfd)
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bfd *abfd;
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{
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asymbol **sy = (asymbol **) NULL;
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long storage;
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if (!(bfd_get_file_flags (abfd) & HAS_SYMS))
|
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{
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printf ("No symbols in \"%s\".\n", bfd_get_filename (abfd));
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return NULL;
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}
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storage = bfd_get_symtab_upper_bound (abfd);
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if (storage < 0)
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bfd_fatal (bfd_get_filename (abfd));
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if (storage)
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{
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sy = (asymbol **) xmalloc (storage);
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}
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symcount = bfd_canonicalize_symtab (abfd, sy);
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if (symcount < 0)
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bfd_fatal (bfd_get_filename (abfd));
|
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if (symcount == 0)
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fprintf (stderr, "%s: %s: No symbols\n",
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program_name, bfd_get_filename (abfd));
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return sy;
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}
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||
/* Read in the dynamic symbols. */
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||
|
||
static asymbol **
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slurp_dynamic_symtab (abfd)
|
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bfd *abfd;
|
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{
|
||
asymbol **sy = (asymbol **) NULL;
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long storage;
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||
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||
storage = bfd_get_dynamic_symtab_upper_bound (abfd);
|
||
if (storage < 0)
|
||
{
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||
if (!(bfd_get_file_flags (abfd) & DYNAMIC))
|
||
{
|
||
fprintf (stderr, "%s: %s: not a dynamic object\n",
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program_name, bfd_get_filename (abfd));
|
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return NULL;
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}
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|
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bfd_fatal (bfd_get_filename (abfd));
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||
}
|
||
|
||
if (storage)
|
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{
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sy = (asymbol **) xmalloc (storage);
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}
|
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dynsymcount = bfd_canonicalize_dynamic_symtab (abfd, sy);
|
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if (dynsymcount < 0)
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bfd_fatal (bfd_get_filename (abfd));
|
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if (dynsymcount == 0)
|
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fprintf (stderr, "%s: %s: No dynamic symbols\n",
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program_name, bfd_get_filename (abfd));
|
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return sy;
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}
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/* Filter out (in place) symbols that are useless for disassembly.
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COUNT is the number of elements in SYMBOLS.
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Return the number of useful symbols. */
|
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long
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remove_useless_symbols (symbols, count)
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asymbol **symbols;
|
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long count;
|
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{
|
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register asymbol **in_ptr = symbols, **out_ptr = symbols;
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||
|
||
while (--count >= 0)
|
||
{
|
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asymbol *sym = *in_ptr++;
|
||
|
||
if (sym->name == NULL || sym->name[0] == '\0')
|
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continue;
|
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if (sym->flags & (BSF_DEBUGGING))
|
||
continue;
|
||
if (bfd_is_und_section (sym->section)
|
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|| bfd_is_com_section (sym->section))
|
||
continue;
|
||
|
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*out_ptr++ = sym;
|
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}
|
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return out_ptr - symbols;
|
||
}
|
||
|
||
/* Sort symbols into value order. */
|
||
|
||
static int
|
||
compare_symbols (ap, bp)
|
||
const PTR ap;
|
||
const PTR bp;
|
||
{
|
||
const asymbol *a = *(const asymbol **)ap;
|
||
const asymbol *b = *(const asymbol **)bp;
|
||
|
||
if (bfd_asymbol_value (a) > bfd_asymbol_value (b))
|
||
return 1;
|
||
else if (bfd_asymbol_value (a) < bfd_asymbol_value (b))
|
||
return -1;
|
||
|
||
if (a->section > b->section)
|
||
return 1;
|
||
else if (a->section < b->section)
|
||
return -1;
|
||
return 0;
|
||
}
|
||
|
||
/* Sort relocs into address order. */
|
||
|
||
static int
|
||
compare_relocs (ap, bp)
|
||
const PTR ap;
|
||
const PTR bp;
|
||
{
|
||
const arelent *a = *(const arelent **)ap;
|
||
const arelent *b = *(const arelent **)bp;
|
||
|
||
if (a->address > b->address)
|
||
return 1;
|
||
else if (a->address < b->address)
|
||
return -1;
|
||
|
||
/* So that associated relocations tied to the same address show up
|
||
in the correct order, we don't do any further sorting. */
|
||
if (a > b)
|
||
return 1;
|
||
else if (a < b)
|
||
return -1;
|
||
else
|
||
return 0;
|
||
}
|
||
|
||
/* Print VMA symbolically to INFO if possible. */
|
||
|
||
static void
|
||
objdump_print_address (vma, info)
|
||
bfd_vma vma;
|
||
struct disassemble_info *info;
|
||
{
|
||
/* @@ For relocateable files, should filter out symbols belonging to
|
||
the wrong section. Unfortunately, not enough information is supplied
|
||
to this routine to determine the correct section in all cases. */
|
||
/* @@ Would it speed things up to cache the last two symbols returned,
|
||
and maybe their address ranges? For many processors, only one memory
|
||
operand can be present at a time, so the 2-entry cache wouldn't be
|
||
constantly churned by code doing heavy memory accesses. */
|
||
|
||
/* Indices in `sorted_syms'. */
|
||
long min = 0;
|
||
long max = sorted_symcount;
|
||
long thisplace;
|
||
|
||
fprintf_vma (info->stream, vma);
|
||
|
||
if (sorted_symcount < 1)
|
||
return;
|
||
|
||
/* Perform a binary search looking for the closest symbol to the
|
||
required value. We are searching the range (min, max]. */
|
||
while (min + 1 < max)
|
||
{
|
||
asymbol *sym;
|
||
|
||
thisplace = (max + min) / 2;
|
||
sym = sorted_syms[thisplace];
|
||
|
||
if (bfd_asymbol_value (sym) > vma)
|
||
max = thisplace;
|
||
else if (bfd_asymbol_value (sym) < vma)
|
||
min = thisplace;
|
||
else
|
||
{
|
||
min = thisplace;
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* The symbol we want is now in min, the low end of the range we
|
||
were searching. */
|
||
thisplace = min;
|
||
|
||
{
|
||
/* If this symbol isn't global, search for one with the same value
|
||
that is. */
|
||
bfd_vma val = bfd_asymbol_value (sorted_syms[thisplace]);
|
||
long i;
|
||
if (sorted_syms[thisplace]->flags & (BSF_LOCAL|BSF_DEBUGGING))
|
||
for (i = thisplace - 1; i >= 0; i--)
|
||
{
|
||
if (bfd_asymbol_value (sorted_syms[i]) == val
|
||
&& (!(sorted_syms[i]->flags & (BSF_LOCAL|BSF_DEBUGGING))
|
||
|| ((sorted_syms[thisplace]->flags & BSF_DEBUGGING)
|
||
&& !(sorted_syms[i]->flags & BSF_DEBUGGING))))
|
||
{
|
||
thisplace = i;
|
||
break;
|
||
}
|
||
}
|
||
if (sorted_syms[thisplace]->flags & (BSF_LOCAL|BSF_DEBUGGING))
|
||
for (i = thisplace + 1; i < sorted_symcount; i++)
|
||
{
|
||
if (bfd_asymbol_value (sorted_syms[i]) == val
|
||
&& (!(sorted_syms[i]->flags & (BSF_LOCAL|BSF_DEBUGGING))
|
||
|| ((sorted_syms[thisplace]->flags & BSF_DEBUGGING)
|
||
&& !(sorted_syms[i]->flags & BSF_DEBUGGING))))
|
||
{
|
||
thisplace = i;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
{
|
||
/* If the file is relocateable, and the symbol could be from this
|
||
section, prefer a symbol from this section over symbols from
|
||
others, even if the other symbol's value might be closer.
|
||
|
||
Note that this may be wrong for some symbol references if the
|
||
sections have overlapping memory ranges, but in that case there's
|
||
no way to tell what's desired without looking at the relocation
|
||
table. */
|
||
struct objdump_disasm_info *aux;
|
||
long i;
|
||
|
||
aux = (struct objdump_disasm_info *) info->application_data;
|
||
if (sorted_syms[thisplace]->section != aux->sec
|
||
&& (aux->require_sec
|
||
|| ((aux->abfd->flags & HAS_RELOC) != 0
|
||
&& vma >= bfd_get_section_vma (aux->abfd, aux->sec)
|
||
&& vma < (bfd_get_section_vma (aux->abfd, aux->sec)
|
||
+ bfd_get_section_size_before_reloc (aux->sec)))))
|
||
{
|
||
for (i = thisplace + 1; i < sorted_symcount; i++)
|
||
{
|
||
if (bfd_asymbol_value (sorted_syms[i])
|
||
!= bfd_asymbol_value (sorted_syms[thisplace]))
|
||
break;
|
||
}
|
||
--i;
|
||
for (; i >= 0; i--)
|
||
{
|
||
if (sorted_syms[i]->section == aux->sec)
|
||
{
|
||
thisplace = i;
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (sorted_syms[thisplace]->section != aux->sec)
|
||
{
|
||
/* We didn't find a good symbol with a smaller value.
|
||
Look for one with a larger value. */
|
||
for (i = thisplace + 1; i < sorted_symcount; i++)
|
||
{
|
||
if (sorted_syms[i]->section == aux->sec)
|
||
{
|
||
thisplace = i;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
fprintf (info->stream, " <%s", sorted_syms[thisplace]->name);
|
||
if (bfd_asymbol_value (sorted_syms[thisplace]) > vma)
|
||
{
|
||
char buf[30], *p = buf;
|
||
sprintf_vma (buf, bfd_asymbol_value (sorted_syms[thisplace]) - vma);
|
||
while (*p == '0')
|
||
p++;
|
||
fprintf (info->stream, "-%s", p);
|
||
}
|
||
else if (vma > bfd_asymbol_value (sorted_syms[thisplace]))
|
||
{
|
||
char buf[30], *p = buf;
|
||
sprintf_vma (buf, vma - bfd_asymbol_value (sorted_syms[thisplace]));
|
||
while (*p == '0')
|
||
p++;
|
||
fprintf (info->stream, "+%s", p);
|
||
}
|
||
fprintf (info->stream, ">");
|
||
}
|
||
|
||
/* Hold the last function name and the last line number we displayed
|
||
in a disassembly. */
|
||
|
||
static char *prev_functionname;
|
||
static unsigned int prev_line;
|
||
|
||
/* We keep a list of all files that we have seen when doing a
|
||
dissassembly with source, so that we know how much of the file to
|
||
display. This can be important for inlined functions. */
|
||
|
||
struct print_file_list
|
||
{
|
||
struct print_file_list *next;
|
||
char *filename;
|
||
unsigned int line;
|
||
FILE *f;
|
||
};
|
||
|
||
static struct print_file_list *print_files;
|
||
|
||
/* The number of preceding context lines to show when we start
|
||
displaying a file for the first time. */
|
||
|
||
#define SHOW_PRECEDING_CONTEXT_LINES (5)
|
||
|
||
/* Skip ahead to a given line in a file, optionally printing each
|
||
line. */
|
||
|
||
static void
|
||
skip_to_line PARAMS ((struct print_file_list *, unsigned int, boolean));
|
||
|
||
static void
|
||
skip_to_line (p, line, show)
|
||
struct print_file_list *p;
|
||
unsigned int line;
|
||
boolean show;
|
||
{
|
||
while (p->line < line)
|
||
{
|
||
char buf[100];
|
||
|
||
if (fgets (buf, sizeof buf, p->f) == NULL)
|
||
{
|
||
fclose (p->f);
|
||
p->f = NULL;
|
||
break;
|
||
}
|
||
|
||
if (show)
|
||
printf ("%s", buf);
|
||
|
||
if (strchr (buf, '\n') != NULL)
|
||
++p->line;
|
||
}
|
||
}
|
||
|
||
/* Show the line number, or the source line, in a dissassembly
|
||
listing. */
|
||
|
||
static void
|
||
show_line (abfd, section, off)
|
||
bfd *abfd;
|
||
asection *section;
|
||
bfd_vma off;
|
||
{
|
||
CONST char *filename;
|
||
CONST char *functionname;
|
||
unsigned int line;
|
||
|
||
if (! with_line_numbers && ! with_source_code)
|
||
return;
|
||
|
||
if (! bfd_find_nearest_line (abfd, section, syms, off, &filename,
|
||
&functionname, &line))
|
||
return;
|
||
|
||
if (filename != NULL && *filename == '\0')
|
||
filename = NULL;
|
||
if (functionname != NULL && *functionname == '\0')
|
||
functionname = NULL;
|
||
|
||
if (with_line_numbers)
|
||
{
|
||
if (functionname != NULL
|
||
&& (prev_functionname == NULL
|
||
|| strcmp (functionname, prev_functionname) != 0))
|
||
printf ("%s():\n", functionname);
|
||
if (line > 0 && line != prev_line)
|
||
printf ("%s:%u\n", filename == NULL ? "???" : filename, line);
|
||
}
|
||
|
||
if (with_source_code
|
||
&& filename != NULL
|
||
&& line > 0)
|
||
{
|
||
struct print_file_list **pp, *p;
|
||
|
||
for (pp = &print_files; *pp != NULL; pp = &(*pp)->next)
|
||
if (strcmp ((*pp)->filename, filename) == 0)
|
||
break;
|
||
p = *pp;
|
||
|
||
if (p != NULL)
|
||
{
|
||
if (p != print_files)
|
||
{
|
||
int l;
|
||
|
||
/* We have reencountered a file name which we saw
|
||
earlier. This implies that either we are dumping out
|
||
code from an included file, or the same file was
|
||
linked in more than once. There are two common cases
|
||
of an included file: inline functions in a header
|
||
file, and a bison or flex skeleton file. In the
|
||
former case we want to just start printing (but we
|
||
back up a few lines to give context); in the latter
|
||
case we want to continue from where we left off. I
|
||
can't think of a good way to distinguish the cases,
|
||
so I used a heuristic based on the file name. */
|
||
if (strcmp (p->filename + strlen (p->filename) - 2, ".h") != 0)
|
||
l = p->line;
|
||
else
|
||
{
|
||
l = line - SHOW_PRECEDING_CONTEXT_LINES;
|
||
if (l <= 0)
|
||
l = 1;
|
||
}
|
||
|
||
if (p->f == NULL)
|
||
{
|
||
p->f = fopen (p->filename, "r");
|
||
p->line = 0;
|
||
}
|
||
if (p->f != NULL)
|
||
skip_to_line (p, l, false);
|
||
|
||
if (print_files->f != NULL)
|
||
{
|
||
fclose (print_files->f);
|
||
print_files->f = NULL;
|
||
}
|
||
}
|
||
|
||
if (p->f != NULL)
|
||
{
|
||
skip_to_line (p, line, true);
|
||
*pp = p->next;
|
||
p->next = print_files;
|
||
print_files = p;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
FILE *f;
|
||
|
||
f = fopen (filename, "r");
|
||
if (f != NULL)
|
||
{
|
||
int l;
|
||
|
||
p = ((struct print_file_list *)
|
||
xmalloc (sizeof (struct print_file_list)));
|
||
p->filename = xmalloc (strlen (filename) + 1);
|
||
strcpy (p->filename, filename);
|
||
p->line = 0;
|
||
p->f = f;
|
||
|
||
if (print_files != NULL && print_files->f != NULL)
|
||
{
|
||
fclose (print_files->f);
|
||
print_files->f = NULL;
|
||
}
|
||
p->next = print_files;
|
||
print_files = p;
|
||
|
||
l = line - SHOW_PRECEDING_CONTEXT_LINES;
|
||
if (l <= 0)
|
||
l = 1;
|
||
skip_to_line (p, l, false);
|
||
if (p->f != NULL)
|
||
skip_to_line (p, line, true);
|
||
}
|
||
}
|
||
}
|
||
|
||
if (functionname != NULL
|
||
&& (prev_functionname == NULL
|
||
|| strcmp (functionname, prev_functionname) != 0))
|
||
{
|
||
if (prev_functionname != NULL)
|
||
free (prev_functionname);
|
||
prev_functionname = xmalloc (strlen (functionname) + 1);
|
||
strcpy (prev_functionname, functionname);
|
||
}
|
||
|
||
if (line > 0 && line != prev_line)
|
||
prev_line = line;
|
||
}
|
||
|
||
void
|
||
disassemble_data (abfd)
|
||
bfd *abfd;
|
||
{
|
||
long i;
|
||
unsigned int (*print) () = 0; /* Old style */
|
||
disassembler_ftype disassemble_fn = 0; /* New style */
|
||
struct disassemble_info disasm_info;
|
||
struct objdump_disasm_info aux;
|
||
asection *section;
|
||
boolean done_dot = false;
|
||
|
||
print_files = NULL;
|
||
prev_functionname = NULL;
|
||
prev_line = -1;
|
||
|
||
/* We make a copy of syms to sort. We don't want to sort syms
|
||
because that will screw up the relocs. */
|
||
sorted_syms = (asymbol **) xmalloc (symcount * sizeof (asymbol *));
|
||
memcpy (sorted_syms, syms, symcount * sizeof (asymbol *));
|
||
|
||
sorted_symcount = remove_useless_symbols (sorted_syms, symcount);
|
||
|
||
/* Sort the symbols into section and symbol order */
|
||
qsort (sorted_syms, sorted_symcount, sizeof (asymbol *), compare_symbols);
|
||
|
||
INIT_DISASSEMBLE_INFO(disasm_info, stdout);
|
||
disasm_info.application_data = (PTR) &aux;
|
||
aux.abfd = abfd;
|
||
disasm_info.print_address_func = objdump_print_address;
|
||
|
||
if (machine != (char *) NULL)
|
||
{
|
||
bfd_arch_info_type *info = bfd_scan_arch (machine);
|
||
if (info == NULL)
|
||
{
|
||
fprintf (stderr, "%s: Can't use supplied machine %s\n",
|
||
program_name,
|
||
machine);
|
||
exit (1);
|
||
}
|
||
abfd->arch_info = info;
|
||
}
|
||
|
||
/* See if we can disassemble using bfd. */
|
||
|
||
if (abfd->arch_info->disassemble)
|
||
{
|
||
print = abfd->arch_info->disassemble;
|
||
}
|
||
else
|
||
{
|
||
disassemble_fn = disassembler (abfd);
|
||
if (!disassemble_fn)
|
||
{
|
||
fprintf (stderr, "%s: Can't disassemble for architecture %s\n",
|
||
program_name,
|
||
bfd_printable_arch_mach (bfd_get_arch (abfd), 0));
|
||
exit (1);
|
||
}
|
||
}
|
||
|
||
for (section = abfd->sections;
|
||
section != (asection *) NULL;
|
||
section = section->next)
|
||
{
|
||
bfd_byte *data = NULL;
|
||
bfd_size_type datasize = 0;
|
||
arelent **relbuf = NULL;
|
||
arelent **relpp = NULL;
|
||
arelent **relppend = NULL;
|
||
|
||
if ((section->flags & SEC_LOAD) == 0
|
||
|| (! disassemble_all
|
||
&& only == NULL
|
||
&& (section->flags & SEC_CODE) == 0))
|
||
continue;
|
||
if (only != (char *) NULL && strcmp (only, section->name) != 0)
|
||
continue;
|
||
|
||
if (dump_reloc_info
|
||
&& (section->flags & SEC_RELOC) != 0)
|
||
{
|
||
long relsize;
|
||
|
||
relsize = bfd_get_reloc_upper_bound (abfd, section);
|
||
if (relsize < 0)
|
||
bfd_fatal (bfd_get_filename (abfd));
|
||
|
||
if (relsize > 0)
|
||
{
|
||
long relcount;
|
||
|
||
relbuf = (arelent **) xmalloc (relsize);
|
||
relcount = bfd_canonicalize_reloc (abfd, section, relbuf, syms);
|
||
if (relcount < 0)
|
||
bfd_fatal (bfd_get_filename (abfd));
|
||
|
||
/* Sort the relocs by address. */
|
||
qsort (relbuf, relcount, sizeof (arelent *), compare_relocs);
|
||
|
||
relpp = relbuf;
|
||
relppend = relpp + relcount;
|
||
}
|
||
}
|
||
|
||
printf ("Disassembly of section %s:\n", section->name);
|
||
|
||
datasize = bfd_get_section_size_before_reloc (section);
|
||
if (datasize == 0)
|
||
continue;
|
||
|
||
data = (bfd_byte *) xmalloc ((size_t) datasize);
|
||
|
||
bfd_get_section_contents (abfd, section, data, 0, datasize);
|
||
|
||
aux.sec = section;
|
||
disasm_info.buffer = data;
|
||
disasm_info.buffer_vma = section->vma;
|
||
disasm_info.buffer_length = datasize;
|
||
i = 0;
|
||
while (i < disasm_info.buffer_length)
|
||
{
|
||
int bytes;
|
||
boolean need_nl = false;
|
||
|
||
if (data[i] == 0 && data[i + 1] == 0 && data[i + 2] == 0 &&
|
||
data[i + 3] == 0)
|
||
{
|
||
if (done_dot == false)
|
||
{
|
||
printf ("...\n");
|
||
done_dot = true;
|
||
}
|
||
bytes = 4;
|
||
}
|
||
else
|
||
{
|
||
done_dot = false;
|
||
if (with_line_numbers || with_source_code)
|
||
show_line (abfd, section, i);
|
||
aux.require_sec = true;
|
||
objdump_print_address (section->vma + i, &disasm_info);
|
||
aux.require_sec = false;
|
||
putchar (' ');
|
||
|
||
if (disassemble_fn)
|
||
{
|
||
/* New style */
|
||
bytes = (*disassemble_fn) (section->vma + i, &disasm_info);
|
||
if (bytes < 0)
|
||
break;
|
||
}
|
||
else
|
||
{
|
||
/* Old style */
|
||
bytes = print (section->vma + i, data + i, stdout);
|
||
}
|
||
if (!wide_output)
|
||
putchar ('\n');
|
||
else
|
||
need_nl = true;
|
||
}
|
||
|
||
if (dump_reloc_info
|
||
&& (section->flags & SEC_RELOC) != 0)
|
||
{
|
||
while (relpp < relppend
|
||
&& ((*relpp)->address >= i
|
||
&& (*relpp)->address < i + bytes))
|
||
{
|
||
arelent *q;
|
||
const char *sym_name;
|
||
|
||
q = *relpp;
|
||
|
||
printf ("\t\tRELOC: ");
|
||
|
||
printf_vma (section->vma + q->address);
|
||
|
||
printf (" %s ", q->howto->name);
|
||
|
||
if (q->sym_ptr_ptr != NULL
|
||
&& *q->sym_ptr_ptr != NULL)
|
||
{
|
||
sym_name = bfd_asymbol_name (*q->sym_ptr_ptr);
|
||
if (sym_name == NULL || *sym_name == '\0')
|
||
{
|
||
asection *sym_sec;
|
||
|
||
sym_sec = bfd_get_section (*q->sym_ptr_ptr);
|
||
sym_name = bfd_get_section_name (abfd, sym_sec);
|
||
if (sym_name == NULL || *sym_name == '\0')
|
||
sym_name = "*unknown*";
|
||
}
|
||
}
|
||
|
||
printf ("%s", sym_name);
|
||
|
||
if (q->addend)
|
||
{
|
||
printf ("+0x");
|
||
printf_vma (q->addend);
|
||
}
|
||
|
||
printf ("\n");
|
||
need_nl = false;
|
||
++relpp;
|
||
}
|
||
}
|
||
|
||
if (need_nl)
|
||
printf ("\n");
|
||
|
||
i += bytes;
|
||
}
|
||
|
||
free (data);
|
||
if (relbuf != NULL)
|
||
free (relbuf);
|
||
}
|
||
}
|
||
|
||
|
||
/* Define a table of stab values and print-strings. We wish the initializer
|
||
could be a direct-mapped table, but instead we build one the first
|
||
time we need it. */
|
||
|
||
char **stab_name;
|
||
|
||
struct stab_print {
|
||
int value;
|
||
char *string;
|
||
};
|
||
|
||
struct stab_print stab_print[] = {
|
||
#define __define_stab(NAME, CODE, STRING) {CODE, STRING},
|
||
#include "aout/stab.def"
|
||
#undef __define_stab
|
||
{0, ""}
|
||
};
|
||
|
||
void dump_section_stabs PARAMS ((bfd *abfd, char *stabsect_name,
|
||
char *strsect_name));
|
||
|
||
/* Dump the stabs sections from an object file that has a section that
|
||
uses Sun stabs encoding. It has to use some hooks into BFD because
|
||
string table sections are not normally visible to BFD callers. */
|
||
|
||
void
|
||
dump_stabs (abfd)
|
||
bfd *abfd;
|
||
{
|
||
/* Allocate and initialize stab name array if first time. */
|
||
if (stab_name == NULL)
|
||
{
|
||
int i;
|
||
|
||
stab_name = (char **) xmalloc (256 * sizeof(char *));
|
||
/* Clear the array. */
|
||
for (i = 0; i < 256; i++)
|
||
stab_name[i] = NULL;
|
||
/* Fill in the defined stabs. */
|
||
for (i = 0; *stab_print[i].string; i++)
|
||
stab_name[stab_print[i].value] = stab_print[i].string;
|
||
}
|
||
|
||
dump_section_stabs (abfd, ".stab", ".stabstr");
|
||
dump_section_stabs (abfd, ".stab.excl", ".stab.exclstr");
|
||
dump_section_stabs (abfd, ".stab.index", ".stab.indexstr");
|
||
dump_section_stabs (abfd, "$GDB_SYMBOLS$", "$GDB_STRINGS$");
|
||
}
|
||
|
||
static struct internal_nlist *stabs;
|
||
static bfd_size_type stab_size;
|
||
|
||
static char *strtab;
|
||
static bfd_size_type stabstr_size;
|
||
|
||
/* Read ABFD's stabs section STABSECT_NAME into `stabs'
|
||
and string table section STRSECT_NAME into `strtab'.
|
||
If the section exists and was read, allocate the space and return true.
|
||
Otherwise return false. */
|
||
|
||
boolean
|
||
read_section_stabs (abfd, stabsect_name, strsect_name)
|
||
bfd *abfd;
|
||
char *stabsect_name;
|
||
char *strsect_name;
|
||
{
|
||
asection *stabsect, *stabstrsect;
|
||
|
||
stabsect = bfd_get_section_by_name (abfd, stabsect_name);
|
||
if (0 == stabsect)
|
||
{
|
||
printf ("No %s section present\n\n", stabsect_name);
|
||
return false;
|
||
}
|
||
|
||
stabstrsect = bfd_get_section_by_name (abfd, strsect_name);
|
||
if (0 == stabstrsect)
|
||
{
|
||
fprintf (stderr, "%s: %s has no %s section\n", program_name,
|
||
bfd_get_filename (abfd), strsect_name);
|
||
return false;
|
||
}
|
||
|
||
stab_size = bfd_section_size (abfd, stabsect);
|
||
stabstr_size = bfd_section_size (abfd, stabstrsect);
|
||
|
||
stabs = (struct internal_nlist *) xmalloc (stab_size);
|
||
strtab = (char *) xmalloc (stabstr_size);
|
||
|
||
if (! bfd_get_section_contents (abfd, stabsect, (PTR) stabs, 0, stab_size))
|
||
{
|
||
fprintf (stderr, "%s: Reading %s section of %s failed: %s\n",
|
||
program_name, stabsect_name, bfd_get_filename (abfd),
|
||
bfd_errmsg (bfd_get_error ()));
|
||
free (stabs);
|
||
free (strtab);
|
||
return false;
|
||
}
|
||
|
||
if (! bfd_get_section_contents (abfd, stabstrsect, (PTR) strtab, 0,
|
||
stabstr_size))
|
||
{
|
||
fprintf (stderr, "%s: Reading %s section of %s failed: %s\n",
|
||
program_name, strsect_name, bfd_get_filename (abfd),
|
||
bfd_errmsg (bfd_get_error ()));
|
||
free (stabs);
|
||
free (strtab);
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
#define SWAP_SYMBOL(symp, abfd) \
|
||
{ \
|
||
(symp)->n_strx = bfd_h_get_32(abfd, \
|
||
(unsigned char *)&(symp)->n_strx); \
|
||
(symp)->n_desc = bfd_h_get_16 (abfd, \
|
||
(unsigned char *)&(symp)->n_desc); \
|
||
(symp)->n_value = bfd_h_get_32 (abfd, \
|
||
(unsigned char *)&(symp)->n_value); \
|
||
}
|
||
|
||
/* Print ABFD's stabs section STABSECT_NAME (in `stabs'),
|
||
using string table section STRSECT_NAME (in `strtab'). */
|
||
|
||
void
|
||
print_section_stabs (abfd, stabsect_name, strsect_name)
|
||
bfd *abfd;
|
||
char *stabsect_name;
|
||
char *strsect_name;
|
||
{
|
||
int i;
|
||
unsigned file_string_table_offset = 0, next_file_string_table_offset = 0;
|
||
struct internal_nlist *stabp = stabs,
|
||
*stabs_end = (struct internal_nlist *) (stab_size + (char *) stabs);
|
||
|
||
printf ("Contents of %s section:\n\n", stabsect_name);
|
||
printf ("Symnum n_type n_othr n_desc n_value n_strx String\n");
|
||
|
||
/* Loop through all symbols and print them.
|
||
|
||
We start the index at -1 because there is a dummy symbol on
|
||
the front of stabs-in-{coff,elf} sections that supplies sizes. */
|
||
|
||
for (i = -1; stabp < stabs_end; stabp++, i++)
|
||
{
|
||
SWAP_SYMBOL (stabp, abfd);
|
||
printf ("\n%-6d ", i);
|
||
/* Either print the stab name, or, if unnamed, print its number
|
||
again (makes consistent formatting for tools like awk). */
|
||
if (stab_name[stabp->n_type])
|
||
printf ("%-6s", stab_name[stabp->n_type]);
|
||
else if (stabp->n_type == N_UNDF)
|
||
printf ("HdrSym");
|
||
else
|
||
printf ("%-6d", stabp->n_type);
|
||
printf (" %-6d %-6d ", stabp->n_other, stabp->n_desc);
|
||
printf_vma (stabp->n_value);
|
||
printf (" %-6lu", stabp->n_strx);
|
||
|
||
/* Symbols with type == 0 (N_UNDF) specify the length of the
|
||
string table associated with this file. We use that info
|
||
to know how to relocate the *next* file's string table indices. */
|
||
|
||
if (stabp->n_type == N_UNDF)
|
||
{
|
||
file_string_table_offset = next_file_string_table_offset;
|
||
next_file_string_table_offset += stabp->n_value;
|
||
}
|
||
else
|
||
{
|
||
/* Using the (possibly updated) string table offset, print the
|
||
string (if any) associated with this symbol. */
|
||
|
||
if ((stabp->n_strx + file_string_table_offset) < stabstr_size)
|
||
printf (" %s", &strtab[stabp->n_strx + file_string_table_offset]);
|
||
else
|
||
printf (" *");
|
||
}
|
||
}
|
||
printf ("\n\n");
|
||
}
|
||
|
||
void
|
||
dump_section_stabs (abfd, stabsect_name, strsect_name)
|
||
bfd *abfd;
|
||
char *stabsect_name;
|
||
char *strsect_name;
|
||
{
|
||
asection *s;
|
||
|
||
/* Check for section names for which stabsect_name is a prefix, to
|
||
handle .stab0, etc. */
|
||
for (s = abfd->sections;
|
||
s != NULL;
|
||
s = s->next)
|
||
{
|
||
if (strncmp (stabsect_name, s->name, strlen (stabsect_name)) == 0
|
||
&& strncmp (strsect_name, s->name, strlen (strsect_name)) != 0)
|
||
{
|
||
if (read_section_stabs (abfd, s->name, strsect_name))
|
||
{
|
||
print_section_stabs (abfd, s->name, strsect_name);
|
||
free (stabs);
|
||
free (strtab);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
dump_bfd_header (abfd)
|
||
bfd *abfd;
|
||
{
|
||
char *comma = "";
|
||
|
||
printf ("architecture: %s, ",
|
||
bfd_printable_arch_mach (bfd_get_arch (abfd),
|
||
bfd_get_mach (abfd)));
|
||
printf ("flags 0x%08x:\n", abfd->flags);
|
||
|
||
#define PF(x, y) if (abfd->flags & x) {printf("%s%s", comma, y); comma=", ";}
|
||
PF (HAS_RELOC, "HAS_RELOC");
|
||
PF (EXEC_P, "EXEC_P");
|
||
PF (HAS_LINENO, "HAS_LINENO");
|
||
PF (HAS_DEBUG, "HAS_DEBUG");
|
||
PF (HAS_SYMS, "HAS_SYMS");
|
||
PF (HAS_LOCALS, "HAS_LOCALS");
|
||
PF (DYNAMIC, "DYNAMIC");
|
||
PF (WP_TEXT, "WP_TEXT");
|
||
PF (D_PAGED, "D_PAGED");
|
||
PF (BFD_IS_RELAXABLE, "BFD_IS_RELAXABLE");
|
||
printf ("\nstart address 0x");
|
||
printf_vma (abfd->start_address);
|
||
}
|
||
|
||
static void
|
||
dump_bfd_private_header (abfd)
|
||
bfd *abfd;
|
||
{
|
||
bfd_print_private_bfd_data (abfd, stdout);
|
||
}
|
||
static void
|
||
display_bfd (abfd)
|
||
bfd *abfd;
|
||
{
|
||
char **matching;
|
||
|
||
if (!bfd_check_format_matches (abfd, bfd_object, &matching))
|
||
{
|
||
bfd_nonfatal (bfd_get_filename (abfd));
|
||
if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
|
||
{
|
||
list_matching_formats (matching);
|
||
free (matching);
|
||
}
|
||
return;
|
||
}
|
||
|
||
printf ("\n%s: file format %s\n", bfd_get_filename (abfd),
|
||
abfd->xvec->name);
|
||
if (dump_ar_hdrs)
|
||
print_arelt_descr (stdout, abfd, true);
|
||
if (dump_file_header)
|
||
dump_bfd_header (abfd);
|
||
if (dump_private_headers)
|
||
dump_bfd_private_header (abfd);
|
||
putchar ('\n');
|
||
if (dump_section_headers)
|
||
dump_headers (abfd);
|
||
if (dump_symtab || dump_reloc_info || disassemble)
|
||
{
|
||
syms = slurp_symtab (abfd);
|
||
}
|
||
if (dump_dynamic_symtab || dump_dynamic_reloc_info)
|
||
{
|
||
dynsyms = slurp_dynamic_symtab (abfd);
|
||
}
|
||
if (dump_symtab)
|
||
dump_symbols (abfd, false);
|
||
if (dump_dynamic_symtab)
|
||
dump_symbols (abfd, true);
|
||
if (dump_stab_section_info)
|
||
dump_stabs (abfd);
|
||
if (dump_reloc_info && ! disassemble)
|
||
dump_relocs (abfd);
|
||
if (dump_dynamic_reloc_info)
|
||
dump_dynamic_relocs (abfd);
|
||
if (dump_section_contents)
|
||
dump_data (abfd);
|
||
if (disassemble)
|
||
disassemble_data (abfd);
|
||
}
|
||
|
||
static void
|
||
display_file (filename, target)
|
||
char *filename;
|
||
char *target;
|
||
{
|
||
bfd *file, *arfile = (bfd *) NULL;
|
||
|
||
file = bfd_openr (filename, target);
|
||
if (file == NULL)
|
||
{
|
||
bfd_nonfatal (filename);
|
||
return;
|
||
}
|
||
|
||
if (bfd_check_format (file, bfd_archive) == true)
|
||
{
|
||
bfd *last_arfile = NULL;
|
||
|
||
printf ("In archive %s:\n", bfd_get_filename (file));
|
||
for (;;)
|
||
{
|
||
bfd_set_error (bfd_error_no_error);
|
||
|
||
arfile = bfd_openr_next_archived_file (file, arfile);
|
||
if (arfile == NULL)
|
||
{
|
||
if (bfd_get_error () != bfd_error_no_more_archived_files)
|
||
{
|
||
bfd_nonfatal (bfd_get_filename (file));
|
||
}
|
||
break;
|
||
}
|
||
|
||
display_bfd (arfile);
|
||
|
||
if (last_arfile != NULL)
|
||
bfd_close (last_arfile);
|
||
last_arfile = arfile;
|
||
}
|
||
|
||
if (last_arfile != NULL)
|
||
bfd_close (last_arfile);
|
||
}
|
||
else
|
||
display_bfd (file);
|
||
|
||
bfd_close (file);
|
||
}
|
||
|
||
/* Actually display the various requested regions */
|
||
|
||
static void
|
||
dump_data (abfd)
|
||
bfd *abfd;
|
||
{
|
||
asection *section;
|
||
bfd_byte *data = 0;
|
||
bfd_size_type datasize = 0;
|
||
bfd_size_type i;
|
||
|
||
for (section = abfd->sections; section != NULL; section =
|
||
section->next)
|
||
{
|
||
int onaline = 16;
|
||
|
||
if (only == (char *) NULL ||
|
||
strcmp (only, section->name) == 0)
|
||
{
|
||
if (section->flags & SEC_HAS_CONTENTS)
|
||
{
|
||
printf ("Contents of section %s:\n", section->name);
|
||
|
||
if (bfd_section_size (abfd, section) == 0)
|
||
continue;
|
||
data = (bfd_byte *) xmalloc ((size_t) bfd_section_size (abfd, section));
|
||
datasize = bfd_section_size (abfd, section);
|
||
|
||
|
||
bfd_get_section_contents (abfd, section, (PTR) data, 0, bfd_section_size (abfd, section));
|
||
|
||
for (i = 0; i < bfd_section_size (abfd, section); i += onaline)
|
||
{
|
||
bfd_size_type j;
|
||
|
||
printf (" %04lx ", (unsigned long int) (i + section->vma));
|
||
for (j = i; j < i + onaline; j++)
|
||
{
|
||
if (j < bfd_section_size (abfd, section))
|
||
printf ("%02x", (unsigned) (data[j]));
|
||
else
|
||
printf (" ");
|
||
if ((j & 3) == 3)
|
||
printf (" ");
|
||
}
|
||
|
||
printf (" ");
|
||
for (j = i; j < i + onaline; j++)
|
||
{
|
||
if (j >= bfd_section_size (abfd, section))
|
||
printf (" ");
|
||
else
|
||
printf ("%c", isprint (data[j]) ? data[j] : '.');
|
||
}
|
||
putchar ('\n');
|
||
}
|
||
free (data);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Should perhaps share code and display with nm? */
|
||
static void
|
||
dump_symbols (abfd, dynamic)
|
||
bfd *abfd;
|
||
boolean dynamic;
|
||
{
|
||
asymbol **current;
|
||
long max;
|
||
long count;
|
||
|
||
if (dynamic)
|
||
{
|
||
current = dynsyms;
|
||
max = dynsymcount;
|
||
if (max == 0)
|
||
return;
|
||
printf ("DYNAMIC SYMBOL TABLE:\n");
|
||
}
|
||
else
|
||
{
|
||
current = syms;
|
||
max = symcount;
|
||
if (max == 0)
|
||
return;
|
||
printf ("SYMBOL TABLE:\n");
|
||
}
|
||
|
||
for (count = 0; count < max; count++)
|
||
{
|
||
if (*current)
|
||
{
|
||
bfd *cur_bfd = bfd_asymbol_bfd(*current);
|
||
if (cur_bfd)
|
||
{
|
||
bfd_print_symbol (cur_bfd,
|
||
stdout,
|
||
*current, bfd_print_symbol_all);
|
||
printf ("\n");
|
||
}
|
||
}
|
||
current++;
|
||
}
|
||
printf ("\n");
|
||
printf ("\n");
|
||
}
|
||
|
||
static void
|
||
dump_relocs (abfd)
|
||
bfd *abfd;
|
||
{
|
||
arelent **relpp;
|
||
long relcount;
|
||
asection *a;
|
||
|
||
for (a = abfd->sections; a != (asection *) NULL; a = a->next)
|
||
{
|
||
long relsize;
|
||
|
||
if (bfd_is_abs_section (a))
|
||
continue;
|
||
if (bfd_is_und_section (a))
|
||
continue;
|
||
if (bfd_is_com_section (a))
|
||
continue;
|
||
|
||
if (only)
|
||
{
|
||
if (strcmp (only, a->name))
|
||
continue;
|
||
}
|
||
else if ((a->flags & SEC_RELOC) == 0)
|
||
continue;
|
||
|
||
printf ("RELOCATION RECORDS FOR [%s]:", a->name);
|
||
|
||
relsize = bfd_get_reloc_upper_bound (abfd, a);
|
||
if (relsize < 0)
|
||
bfd_fatal (bfd_get_filename (abfd));
|
||
|
||
if (relsize == 0)
|
||
{
|
||
printf (" (none)\n\n");
|
||
}
|
||
else
|
||
{
|
||
relpp = (arelent **) xmalloc (relsize);
|
||
relcount = bfd_canonicalize_reloc (abfd, a, relpp, syms);
|
||
if (relcount < 0)
|
||
bfd_fatal (bfd_get_filename (abfd));
|
||
else if (relcount == 0)
|
||
{
|
||
printf (" (none)\n\n");
|
||
}
|
||
else
|
||
{
|
||
printf ("\n");
|
||
dump_reloc_set (abfd, relpp, relcount);
|
||
printf ("\n\n");
|
||
}
|
||
free (relpp);
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
dump_dynamic_relocs (abfd)
|
||
bfd *abfd;
|
||
{
|
||
long relsize;
|
||
arelent **relpp;
|
||
long relcount;
|
||
|
||
printf ("DYNAMIC RELOCATION RECORDS");
|
||
|
||
relsize = bfd_get_dynamic_reloc_upper_bound (abfd);
|
||
if (relsize < 0)
|
||
bfd_fatal (bfd_get_filename (abfd));
|
||
|
||
if (relsize == 0)
|
||
{
|
||
printf (" (none)\n\n");
|
||
}
|
||
else
|
||
{
|
||
relpp = (arelent **) xmalloc (relsize);
|
||
relcount = bfd_canonicalize_dynamic_reloc (abfd, relpp, dynsyms);
|
||
if (relcount < 0)
|
||
bfd_fatal (bfd_get_filename (abfd));
|
||
else if (relcount == 0)
|
||
{
|
||
printf (" (none)\n\n");
|
||
}
|
||
else
|
||
{
|
||
printf ("\n");
|
||
dump_reloc_set (abfd, relpp, relcount);
|
||
printf ("\n\n");
|
||
}
|
||
free (relpp);
|
||
}
|
||
}
|
||
|
||
static void
|
||
dump_reloc_set (abfd, relpp, relcount)
|
||
bfd *abfd;
|
||
arelent **relpp;
|
||
long relcount;
|
||
{
|
||
arelent **p;
|
||
|
||
/* Get column headers lined up reasonably. */
|
||
{
|
||
static int width;
|
||
if (width == 0)
|
||
{
|
||
char buf[30];
|
||
sprintf_vma (buf, (bfd_vma) -1);
|
||
width = strlen (buf) - 7;
|
||
}
|
||
printf ("OFFSET %*s TYPE %*s VALUE \n", width, "", 12, "");
|
||
}
|
||
|
||
for (p = relpp; relcount && *p != (arelent *) NULL; p++, relcount--)
|
||
{
|
||
arelent *q = *p;
|
||
CONST char *sym_name;
|
||
CONST char *section_name;
|
||
|
||
if (q->sym_ptr_ptr && *q->sym_ptr_ptr)
|
||
{
|
||
sym_name = (*(q->sym_ptr_ptr))->name;
|
||
section_name = (*(q->sym_ptr_ptr))->section->name;
|
||
}
|
||
else
|
||
{
|
||
sym_name = NULL;
|
||
section_name = NULL;
|
||
}
|
||
if (sym_name)
|
||
{
|
||
printf_vma (q->address);
|
||
printf (" %-16s %s",
|
||
q->howto->name,
|
||
sym_name);
|
||
}
|
||
else
|
||
{
|
||
if (section_name == (CONST char *) NULL)
|
||
section_name = "*unknown*";
|
||
printf_vma (q->address);
|
||
printf (" %-16s [%s]",
|
||
q->howto->name,
|
||
section_name);
|
||
}
|
||
if (q->addend)
|
||
{
|
||
printf ("+0x");
|
||
printf_vma (q->addend);
|
||
}
|
||
printf ("\n");
|
||
}
|
||
}
|
||
|
||
/* The length of the longest architecture name + 1. */
|
||
#define LONGEST_ARCH sizeof("rs6000:6000")
|
||
|
||
#ifndef L_tmpnam
|
||
#define L_tmpnam 25
|
||
#endif
|
||
|
||
/* List the targets that BFD is configured to support, each followed
|
||
by its endianness and the architectures it supports. */
|
||
|
||
static void
|
||
display_target_list ()
|
||
{
|
||
extern char *tmpnam ();
|
||
extern bfd_target *bfd_target_vector[];
|
||
char tmparg[L_tmpnam];
|
||
char *dummy_name;
|
||
int t;
|
||
|
||
dummy_name = tmpnam (tmparg);
|
||
for (t = 0; bfd_target_vector[t]; t++)
|
||
{
|
||
bfd_target *p = bfd_target_vector[t];
|
||
bfd *abfd = bfd_openw (dummy_name, p->name);
|
||
int a;
|
||
|
||
printf ("%s\n (header %s, data %s)\n", p->name,
|
||
p->header_byteorder_big_p ? "big endian" : "little endian",
|
||
p->byteorder_big_p ? "big endian" : "little endian");
|
||
|
||
if (abfd == NULL)
|
||
{
|
||
bfd_nonfatal (dummy_name);
|
||
continue;
|
||
}
|
||
|
||
if (! bfd_set_format (abfd, bfd_object))
|
||
{
|
||
if (bfd_get_error () != bfd_error_invalid_operation)
|
||
bfd_nonfatal (p->name);
|
||
continue;
|
||
}
|
||
|
||
for (a = (int) bfd_arch_obscure + 1; a < (int) bfd_arch_last; a++)
|
||
if (bfd_set_arch_mach (abfd, (enum bfd_architecture) a, 0))
|
||
printf (" %s\n",
|
||
bfd_printable_arch_mach ((enum bfd_architecture) a, 0));
|
||
}
|
||
unlink (dummy_name);
|
||
}
|
||
|
||
/* Print a table showing which architectures are supported for entries
|
||
FIRST through LAST-1 of bfd_target_vector (targets across,
|
||
architectures down). */
|
||
|
||
static void
|
||
display_info_table (first, last)
|
||
int first;
|
||
int last;
|
||
{
|
||
extern bfd_target *bfd_target_vector[];
|
||
extern char *tmpnam ();
|
||
char tmparg[L_tmpnam];
|
||
int t, a;
|
||
char *dummy_name;
|
||
|
||
/* Print heading of target names. */
|
||
printf ("\n%*s", (int) LONGEST_ARCH, " ");
|
||
for (t = first; t < last && bfd_target_vector[t]; t++)
|
||
printf ("%s ", bfd_target_vector[t]->name);
|
||
putchar ('\n');
|
||
|
||
dummy_name = tmpnam (tmparg);
|
||
for (a = (int) bfd_arch_obscure + 1; a < (int) bfd_arch_last; a++)
|
||
if (strcmp (bfd_printable_arch_mach (a, 0), "UNKNOWN!") != 0)
|
||
{
|
||
printf ("%*s ", (int) LONGEST_ARCH - 1,
|
||
bfd_printable_arch_mach (a, 0));
|
||
for (t = first; t < last && bfd_target_vector[t]; t++)
|
||
{
|
||
bfd_target *p = bfd_target_vector[t];
|
||
boolean ok = true;
|
||
bfd *abfd = bfd_openw (dummy_name, p->name);
|
||
|
||
if (abfd == NULL)
|
||
{
|
||
bfd_nonfatal (p->name);
|
||
ok = false;
|
||
}
|
||
|
||
if (ok)
|
||
{
|
||
if (! bfd_set_format (abfd, bfd_object))
|
||
{
|
||
if (bfd_get_error () != bfd_error_invalid_operation)
|
||
bfd_nonfatal (p->name);
|
||
ok = false;
|
||
}
|
||
}
|
||
|
||
if (ok)
|
||
{
|
||
if (! bfd_set_arch_mach (abfd, a, 0))
|
||
ok = false;
|
||
}
|
||
|
||
if (ok)
|
||
printf ("%s ", p->name);
|
||
else
|
||
{
|
||
int l = strlen (p->name);
|
||
while (l--)
|
||
putchar ('-');
|
||
putchar (' ');
|
||
}
|
||
}
|
||
putchar ('\n');
|
||
}
|
||
unlink (dummy_name);
|
||
}
|
||
|
||
/* Print tables of all the target-architecture combinations that
|
||
BFD has been configured to support. */
|
||
|
||
static void
|
||
display_target_tables ()
|
||
{
|
||
int t, columns;
|
||
extern bfd_target *bfd_target_vector[];
|
||
char *colum;
|
||
extern char *getenv ();
|
||
|
||
columns = 0;
|
||
colum = getenv ("COLUMNS");
|
||
if (colum != NULL)
|
||
columns = atoi (colum);
|
||
if (columns == 0)
|
||
columns = 80;
|
||
|
||
t = 0;
|
||
while (bfd_target_vector[t] != NULL)
|
||
{
|
||
int oldt = t, wid;
|
||
|
||
wid = LONGEST_ARCH + strlen (bfd_target_vector[t]->name) + 1;
|
||
++t;
|
||
while (wid < columns && bfd_target_vector[t] != NULL)
|
||
{
|
||
int newwid;
|
||
|
||
newwid = wid + strlen (bfd_target_vector[t]->name) + 1;
|
||
if (newwid >= columns)
|
||
break;
|
||
wid = newwid;
|
||
++t;
|
||
}
|
||
display_info_table (oldt, t);
|
||
}
|
||
}
|
||
|
||
static void
|
||
display_info ()
|
||
{
|
||
printf ("BFD header file version %s\n", BFD_VERSION);
|
||
display_target_list ();
|
||
display_target_tables ();
|
||
}
|
||
|
||
int
|
||
main (argc, argv)
|
||
int argc;
|
||
char **argv;
|
||
{
|
||
int c;
|
||
char *target = default_target;
|
||
boolean seenflag = false;
|
||
|
||
program_name = *argv;
|
||
xmalloc_set_program_name (program_name);
|
||
|
||
START_PROGRESS (program_name, 0);
|
||
|
||
bfd_init ();
|
||
|
||
while ((c = getopt_long (argc, argv, "pib:m:VdDlfahrRtTxsSj:w", long_options,
|
||
(int *) 0))
|
||
!= EOF)
|
||
{
|
||
seenflag = true;
|
||
switch (c)
|
||
{
|
||
case 0:
|
||
break; /* we've been given a long option */
|
||
case 'm':
|
||
machine = optarg;
|
||
break;
|
||
case 'j':
|
||
only = optarg;
|
||
break;
|
||
case 'l':
|
||
with_line_numbers = 1;
|
||
break;
|
||
case 'b':
|
||
target = optarg;
|
||
break;
|
||
case 'f':
|
||
dump_file_header = true;
|
||
break;
|
||
case 'i':
|
||
formats_info = true;
|
||
break;
|
||
case 'p':
|
||
dump_private_headers = 1;
|
||
break;
|
||
case 'x':
|
||
dump_private_headers = 1;
|
||
dump_symtab = 1;
|
||
dump_reloc_info = 1;
|
||
dump_file_header = true;
|
||
dump_ar_hdrs = 1;
|
||
dump_section_headers = 1;
|
||
break;
|
||
case 't':
|
||
dump_symtab = 1;
|
||
break;
|
||
case 'T':
|
||
dump_dynamic_symtab = 1;
|
||
break;
|
||
case 'd':
|
||
disassemble = true;
|
||
break;
|
||
case 'D':
|
||
disassemble = disassemble_all = true;
|
||
break;
|
||
case 'S':
|
||
disassemble = true;
|
||
with_source_code = true;
|
||
break;
|
||
case 's':
|
||
dump_section_contents = 1;
|
||
break;
|
||
case 'r':
|
||
dump_reloc_info = 1;
|
||
break;
|
||
case 'R':
|
||
dump_dynamic_reloc_info = 1;
|
||
break;
|
||
case 'a':
|
||
dump_ar_hdrs = 1;
|
||
break;
|
||
case 'h':
|
||
dump_section_headers = 1;
|
||
break;
|
||
case 'H':
|
||
usage (stdout, 0);
|
||
case 'V':
|
||
show_version = 1;
|
||
break;
|
||
case 'w':
|
||
wide_output = 1;
|
||
break;
|
||
default:
|
||
usage (stderr, 1);
|
||
}
|
||
}
|
||
|
||
if (show_version)
|
||
{
|
||
printf ("GNU %s version %s\n", program_name, program_version);
|
||
exit (0);
|
||
}
|
||
|
||
if (seenflag == false)
|
||
usage (stderr, 1);
|
||
|
||
if (formats_info)
|
||
{
|
||
display_info ();
|
||
}
|
||
else
|
||
{
|
||
if (optind == argc)
|
||
display_file ("a.out", target);
|
||
else
|
||
for (; optind < argc;)
|
||
display_file (argv[optind++], target);
|
||
}
|
||
|
||
END_PROGRESS (program_name);
|
||
|
||
return 0;
|
||
}
|