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[binutils.git] / binutils / objdump.c

/* objdump.c -- dump information about an object file.
   Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
   2000, 2001, 2002, 2003
   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.  */

/* Objdump overview.

   Objdump displays information about one or more object files, either on
   their own, or inside libraries.  It is commonly used as a disassembler,
   but it can also display information about file headers, symbol tables,
   relocations, debugging directives and more.

   The flow of execution is as follows:
 
   1. Command line arguments are checked for control switches and the
      information to be displayed is selected.
      
   2. Any remaining arguments are assumed to be object files, and they are
      processed in order by display_bfd().  If the file is an archive each
      of its elements is processed in turn.
      
   3. The file's target architecture and binary file format are determnined
      by bfd_check_format().  If they are recognised, then dump_bfd() is
      called.

   4. dump_bfd() in turn calls seperate functions to display the requested
      item(s) of infomation(s).  For example dissasemble_data() is called if
      a disassmebly has been requested.

   When disassembling the code loops through blocks of instructions bounded
   by symbols, calling dissassemble_bytes() on each block.  The actual
   disassembling is done by the libopcodes library, via a function pointer
   supplied by the disassembler() function.  */

#include "bfd.h"
#include "bfdver.h"
#include "progress.h"
#include "bucomm.h"
#include "budemang.h"
#include "getopt.h"
#include "safe-ctype.h"
#include "dis-asm.h"
#include "libiberty.h"
#include "demangle.h"
#include "debug.h"
#include "budbg.h"

/* Internal headers for the ELF .stab-dump code - sorry.  */
#define BYTES_IN_WORD   32
#include "aout/aout64.h"

#ifdef NEED_DECLARATION_FPRINTF
/* This is needed by init_disassemble_info().  */
extern int fprintf (FILE *, const char *, ...);
#endif

/* Exit status.  */
static int exit_status = 0;

static char *default_target = NULL;     /* Default at runtime.  */

/* The following variables are set based on arguments passed on command line.  */
static int show_version = 0;            /* Show the version number.  */
static int dump_section_contents;       /* -s */
static int dump_section_headers;        /* -h */
static bfd_boolean dump_file_header;    /* -f */
static int dump_symtab;                 /* -t */
static int dump_dynamic_symtab;         /* -T */
static int dump_reloc_info;             /* -r */
static int dump_dynamic_reloc_info;     /* -R */
static int dump_ar_hdrs;                /* -a */
static int dump_private_headers;        /* -p */
static int prefix_addresses;            /* --prefix-addresses */
static int with_line_numbers;           /* -l */
static bfd_boolean with_source_code;    /* -S */
static int show_raw_insn;               /* --show-raw-insn */
static int dump_stab_section_info;      /* --stabs */
static int do_demangle;                 /* -C, --demangle */
static bfd_boolean disassemble;         /* -d */
static bfd_boolean disassemble_all;     /* -D */
static int disassemble_zeroes;          /* --disassemble-zeroes */
static bfd_boolean formats_info;        /* -i */
static int wide_output;                 /* -w */
static bfd_vma start_address = (bfd_vma) -1; /* --start-address */
static bfd_vma stop_address = (bfd_vma) -1;  /* --stop-address */
static int dump_debugging;              /* --debugging */
static int dump_debugging_tags;         /* --debugging-tags */
static bfd_vma adjust_section_vma = 0;  /* --adjust-vma */
static int file_start_context = 0;      /* --file-start-context */

/* Pointer to an array of section names provided by
   one or more "-j secname" command line options.  */
static char **only;
/* The total number of slots in the only[] array.  */
static size_t only_size = 0;
/* The number of occupied slots in the only[] array.  */
static size_t only_used = 0;

/* Variables for handling include file path table.  */
static const char **include_paths;
static int include_path_count;

/* Extra info to pass to the section disassembler and address printing function.  */
struct objdump_disasm_info
{
  bfd *              abfd;
  asection *         sec;
  bfd_boolean        require_sec;
  arelent **         dynrelbuf;
  long               dynrelcount;
  disassembler_ftype disassemble_fn;
};

/* Architecture to disassemble for, or default if NULL.  */
static char *machine = NULL;

/* Target specific options to the disassembler.  */
static char *disassembler_options = NULL;

/* Endianness to disassemble for, or default if BFD_ENDIAN_UNKNOWN.  */
static enum bfd_endian endian = BFD_ENDIAN_UNKNOWN;

/* The symbol table.  */
static asymbol **syms;

/* Number of symbols in `syms'.  */
static long symcount = 0;

/* The sorted symbol table.  */
static asymbol **sorted_syms;

/* Number of symbols in `sorted_syms'.  */
static long sorted_symcount = 0;

/* The dynamic symbol table.  */
static asymbol **dynsyms;

/* Number of symbols in `dynsyms'.  */
static long dynsymcount = 0;

static bfd_byte *stabs;
static bfd_size_type stab_size;

static char *strtab;
static bfd_size_type stabstr_size;
\f
static void
usage (FILE *stream, int status)
{
  fprintf (stream, _("Usage: %s <option(s)> <file(s)>\n"), program_name);
  fprintf (stream, _(" Display information from object <file(s)>.\n"));
  fprintf (stream, _(" At least one of the following switches must be given:\n"));
  fprintf (stream, _("\
  -a, --archive-headers    Display archive header information\n\
  -f, --file-headers       Display the contents of the overall file header\n\
  -p, --private-headers    Display object format specific file header contents\n\
  -h, --[section-]headers  Display the contents of the section headers\n\
  -x, --all-headers        Display the contents of all headers\n\
  -d, --disassemble        Display assembler contents of executable sections\n\
  -D, --disassemble-all    Display assembler contents of all sections\n\
  -S, --source             Intermix source code with disassembly\n\
  -s, --full-contents      Display the full contents of all sections requested\n\
  -g, --debugging          Display debug information in object file\n\
  -e, --debugging-tags     Display debug information using ctags style\n\
  -G, --stabs              Display (in raw form) any STABS info in the file\n\
  -t, --syms               Display the contents of the symbol table(s)\n\
  -T, --dynamic-syms       Display the contents of the dynamic symbol table\n\
  -r, --reloc              Display the relocation entries in the file\n\
  -R, --dynamic-reloc      Display the dynamic relocation entries in the file\n\
  -v, --version            Display this program's version number\n\
  -i, --info               List object formats and architectures supported\n\
  -H, --help               Display this information\n\
"));
  if (status != 2)
    {
      fprintf (stream, _("\n The following switches are optional:\n"));
      fprintf (stream, _("\
  -b, --target=BFDNAME           Specify the target object format as BFDNAME\n\
  -m, --architecture=MACHINE     Specify the target architecture as MACHINE\n\
  -j, --section=NAME             Only display information for section NAME\n\
  -M, --disassembler-options=OPT Pass text OPT on to the disassembler\n\
  -EB --endian=big               Assume big endian format when disassembling\n\
  -EL --endian=little            Assume little endian format when disassembling\n\
      --file-start-context       Include context from start of file (with -S)\n\
  -I, --include=DIR              Add DIR to search list for source files\n\
  -l, --line-numbers             Include line numbers and filenames in output\n\
  -C, --demangle[=STYLE]         Decode mangled/processed symbol names\n\
                                  The STYLE, if specified, can be `auto', `gnu',\n\
                                  `lucid', `arm', `hp', `edg', `gnu-v3', `java'\n\
                                  or `gnat'\n\
  -w, --wide                     Format output for more than 80 columns\n\
  -z, --disassemble-zeroes       Do not skip blocks of zeroes when disassembling\n\
      --start-address=ADDR       Only process data whose address is >= ADDR\n\
      --stop-address=ADDR        Only process data whose address is <= ADDR\n\
      --prefix-addresses         Print complete address alongside disassembly\n\
      --[no-]show-raw-insn       Display hex alongside symbolic disassembly\n\
      --adjust-vma=OFFSET        Add OFFSET to all displayed section addresses\n\
\n"));
      list_supported_targets (program_name, stream);
      list_supported_architectures (program_name, stream);

      disassembler_usage (stream);
    }
  if (status == 0)
    fprintf (stream, _("Report bugs to %s.\n"), REPORT_BUGS_TO);
  exit (status);
}

/* 150 isn't special; it's just an arbitrary non-ASCII char value.  */
enum option_values
  {
    OPTION_ENDIAN=150,
    OPTION_START_ADDRESS,
    OPTION_STOP_ADDRESS,
    OPTION_ADJUST_VMA
  };

static struct option long_options[]=
{
  {"adjust-vma", required_argument, NULL, OPTION_ADJUST_VMA},
  {"all-headers", no_argument, NULL, 'x'},
  {"private-headers", no_argument, NULL, 'p'},
  {"architecture", required_argument, NULL, 'm'},
  {"archive-headers", no_argument, NULL, 'a'},
  {"debugging", no_argument, NULL, 'g'},
  {"debugging-tags", no_argument, NULL, 'e'},
  {"demangle", optional_argument, NULL, 'C'},
  {"disassemble", no_argument, NULL, 'd'},
  {"disassemble-all", no_argument, NULL, 'D'},
  {"disassembler-options", required_argument, NULL, 'M'},
  {"disassemble-zeroes", no_argument, NULL, 'z'},
  {"dynamic-reloc", no_argument, NULL, 'R'},
  {"dynamic-syms", no_argument, NULL, 'T'},
  {"endian", required_argument, NULL, OPTION_ENDIAN},
  {"file-headers", no_argument, NULL, 'f'},
  {"file-start-context", no_argument, &file_start_context, 1},
  {"full-contents", no_argument, NULL, 's'},
  {"headers", no_argument, NULL, 'h'},
  {"help", no_argument, NULL, 'H'},
  {"info", no_argument, NULL, 'i'},
  {"line-numbers", no_argument, NULL, 'l'},
  {"no-show-raw-insn", no_argument, &show_raw_insn, -1},
  {"prefix-addresses", no_argument, &prefix_addresses, 1},
  {"reloc", no_argument, NULL, 'r'},
  {"section", required_argument, NULL, 'j'},
  {"section-headers", no_argument, NULL, 'h'},
  {"show-raw-insn", no_argument, &show_raw_insn, 1},
  {"source", no_argument, NULL, 'S'},
  {"include", required_argument, NULL, 'I'},
  {"stabs", no_argument, NULL, 'G'},
  {"start-address", required_argument, NULL, OPTION_START_ADDRESS},
  {"stop-address", required_argument, NULL, OPTION_STOP_ADDRESS},
  {"syms", no_argument, NULL, 't'},
  {"target", required_argument, NULL, 'b'},
  {"version", no_argument, NULL, 'V'},
  {"wide", no_argument, NULL, 'w'},
  {0, no_argument, 0, 0}
};
\f
static void
nonfatal (const char *msg)
{
  bfd_nonfatal (msg);
  exit_status = 1;
}
\f
static void
dump_section_header (bfd *abfd ATTRIBUTE_UNUSED, asection *section,
                     void *ignored ATTRIBUTE_UNUSED)
{
  char *comma = "";
  unsigned int opb = bfd_octets_per_byte (abfd);

  printf ("%3d %-13s %08lx  ", section->index,
          bfd_get_section_name (abfd, section),
          (unsigned long) bfd_section_size (abfd, section) / opb);
  bfd_printf_vma (abfd, bfd_get_section_vma (abfd, section));
  printf ("  ");
  bfd_printf_vma (abfd, section->lma);
  printf ("  %08lx  2**%u", (unsigned long) section->filepos,
          bfd_get_section_alignment (abfd, section));
  if (! wide_output)
    printf ("\n                ");
  printf ("  ");

#define PF(x, y) \
  if (section->flags & x) { printf ("%s%s", comma, y); comma = ", "; }

  PF (SEC_HAS_CONTENTS, "CONTENTS");
  PF (SEC_ALLOC, "ALLOC");
  PF (SEC_CONSTRUCTOR, "CONSTRUCTOR");
  PF (SEC_LOAD, "LOAD");
  PF (SEC_RELOC, "RELOC");
  PF (SEC_READONLY, "READONLY");
  PF (SEC_CODE, "CODE");
  PF (SEC_DATA, "DATA");
  PF (SEC_ROM, "ROM");
  PF (SEC_DEBUGGING, "DEBUGGING");
  PF (SEC_NEVER_LOAD, "NEVER_LOAD");
  PF (SEC_EXCLUDE, "EXCLUDE");
  PF (SEC_SORT_ENTRIES, "SORT_ENTRIES");
  PF (SEC_BLOCK, "BLOCK");
  PF (SEC_CLINK, "CLINK");
  PF (SEC_SMALL_DATA, "SMALL_DATA");
  PF (SEC_SHARED, "SHARED");
  PF (SEC_ARCH_BIT_0, "ARCH_BIT_0");
  PF (SEC_THREAD_LOCAL, "THREAD_LOCAL");

  if ((section->flags & SEC_LINK_ONCE) != 0)
    {
      const char *ls;

      switch (section->flags & SEC_LINK_DUPLICATES)
        {
        default:
          abort ();
        case SEC_LINK_DUPLICATES_DISCARD:
          ls = "LINK_ONCE_DISCARD";
          break;
        case SEC_LINK_DUPLICATES_ONE_ONLY:
          ls = "LINK_ONCE_ONE_ONLY";
          break;
        case SEC_LINK_DUPLICATES_SAME_SIZE:
          ls = "LINK_ONCE_SAME_SIZE";
          break;
        case SEC_LINK_DUPLICATES_SAME_CONTENTS:
          ls = "LINK_ONCE_SAME_CONTENTS";
          break;
        }
      printf ("%s%s", comma, ls);

      if (section->comdat != NULL)
        printf (" (COMDAT %s %ld)", section->comdat->name,
                section->comdat->symbol);

      comma = ", ";
    }

  printf ("\n");
#undef PF
}

static void
dump_headers (bfd *abfd)
{
  printf (_("Sections:\n"));

#ifndef BFD64
  printf (_("Idx Name          Size      VMA       LMA       File off  Algn"));
#else
  /* With BFD64, non-ELF returns -1 and wants always 64 bit addresses.  */
  if (bfd_get_arch_size (abfd) == 32)
    printf (_("Idx Name          Size      VMA       LMA       File off  Algn"));
  else
    printf (_("Idx Name          Size      VMA               LMA               File off  Algn"));
#endif

  if (wide_output)
    printf (_("  Flags"));
  if (abfd->flags & HAS_LOAD_PAGE)
    printf (_("  Pg"));
  printf ("\n");

  bfd_map_over_sections (abfd, dump_section_header, NULL);
}
\f
static asymbol **
slurp_symtab (bfd *abfd)
{
  asymbol **sy = NULL;
  long storage;

  if (!(bfd_get_file_flags (abfd) & HAS_SYMS))
    {
      symcount = 0;
      return NULL;
    }

  storage = bfd_get_symtab_upper_bound (abfd);
  if (storage < 0)
    bfd_fatal (bfd_get_filename (abfd));
  if (storage)
    sy = xmalloc (storage);

  symcount = bfd_canonicalize_symtab (abfd, sy);
  if (symcount < 0)
    bfd_fatal (bfd_get_filename (abfd));
  return sy;
}

/* Read in the dynamic symbols.  */

static asymbol **
slurp_dynamic_symtab (bfd *abfd)
{
  asymbol **sy = NULL;
  long storage;

  storage = bfd_get_dynamic_symtab_upper_bound (abfd);
  if (storage < 0)
    {
      if (!(bfd_get_file_flags (abfd) & DYNAMIC))
        {
          non_fatal (_("%s: not a dynamic object"), bfd_get_filename (abfd));
          dynsymcount = 0;
          return NULL;
        }

      bfd_fatal (bfd_get_filename (abfd));
    }
  if (storage)
    sy = xmalloc (storage);

  dynsymcount = bfd_canonicalize_dynamic_symtab (abfd, sy);
  if (dynsymcount < 0)
    bfd_fatal (bfd_get_filename (abfd));
  return sy;
}

/* Filter out (in place) symbols that are useless for disassembly.
   COUNT is the number of elements in SYMBOLS.
   Return the number of useful symbols.  */

static long
remove_useless_symbols (asymbol **symbols, long count)
{
  asymbol **in_ptr = symbols, **out_ptr = symbols;

  while (--count >= 0)
    {
      asymbol *sym = *in_ptr++;

      if (sym->name == NULL || sym->name[0] == '\0')
        continue;
      if (sym->flags & (BSF_DEBUGGING))
        continue;
      if (bfd_is_und_section (sym->section)
          || bfd_is_com_section (sym->section))
        continue;

      *out_ptr++ = sym;
    }
  return out_ptr - symbols;
}

/* Sort symbols into value order.  */

static int
compare_symbols (const void *ap, const void *bp)
{
  const asymbol *a = * (const asymbol **) ap;
  const asymbol *b = * (const asymbol **) bp;
  const char *an;
  const char *bn;
  size_t anl;
  size_t bnl;
  bfd_boolean af;
  bfd_boolean bf;
  flagword aflags;
  flagword bflags;

  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;

  an = bfd_asymbol_name (a);
  bn = bfd_asymbol_name (b);
  anl = strlen (an);
  bnl = strlen (bn);

  /* The symbols gnu_compiled and gcc2_compiled convey no real
     information, so put them after other symbols with the same value.  */
  af = (strstr (an, "gnu_compiled") != NULL
        || strstr (an, "gcc2_compiled") != NULL);
  bf = (strstr (bn, "gnu_compiled") != NULL
        || strstr (bn, "gcc2_compiled") != NULL);

  if (af && ! bf)
    return 1;
  if (! af && bf)
    return -1;

  /* We use a heuristic for the file name, to try to sort it after
     more useful symbols.  It may not work on non Unix systems, but it
     doesn't really matter; the only difference is precisely which
     symbol names get printed.  */

#define file_symbol(s, sn, snl)                 \
  (((s)->flags & BSF_FILE) != 0                 \
   || ((sn)[(snl) - 2] == '.'                   \
       && ((sn)[(snl) - 1] == 'o'               \
           || (sn)[(snl) - 1] == 'a')))

  af = file_symbol (a, an, anl);
  bf = file_symbol (b, bn, bnl);

  if (af && ! bf)
    return 1;
  if (! af && bf)
    return -1;

  /* Try to sort global symbols before local symbols before function
     symbols before debugging symbols.  */

  aflags = a->flags;
  bflags = b->flags;

  if ((aflags & BSF_DEBUGGING) != (bflags & BSF_DEBUGGING))
    {
      if ((aflags & BSF_DEBUGGING) != 0)
        return 1;
      else
        return -1;
    }
  if ((aflags & BSF_FUNCTION) != (bflags & BSF_FUNCTION))
    {
      if ((aflags & BSF_FUNCTION) != 0)
        return -1;
      else
        return 1;
    }
  if ((aflags & BSF_LOCAL) != (bflags & BSF_LOCAL))
    {
      if ((aflags & BSF_LOCAL) != 0)
        return 1;
      else
        return -1;
    }
  if ((aflags & BSF_GLOBAL) != (bflags & BSF_GLOBAL))
    {
      if ((aflags & BSF_GLOBAL) != 0)
        return -1;
      else
        return 1;
    }

  /* Symbols that start with '.' might be section names, so sort them
     after symbols that don't start with '.'.  */
  if (an[0] == '.' && bn[0] != '.')
    return 1;
  if (an[0] != '.' && bn[0] == '.')
    return -1;

  /* Finally, if we can't distinguish them in any other way, try to
     get consistent results by sorting the symbols by name.  */
  return strcmp (an, bn);
}

/* Sort relocs into address order.  */

static int
compare_relocs (const void *ap, const void *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 an address (VMA) to the output stream in INFO.
   If SKIP_ZEROES is TRUE, omit leading zeroes.  */

static void
objdump_print_value (bfd_vma vma, struct disassemble_info *info,
                     bfd_boolean skip_zeroes)
{
  char buf[30];
  char *p;
  struct objdump_disasm_info *aux
    = (struct objdump_disasm_info *) info->application_data;

  bfd_sprintf_vma (aux->abfd, buf, vma);
  if (! skip_zeroes)
    p = buf;
  else
    {
      for (p = buf; *p == '0'; ++p)
        ;
      if (*p == '\0')
        --p;
    }
  (*info->fprintf_func) (info->stream, "%s", p);
}

/* Print the name of a symbol.  */

static void
objdump_print_symname (bfd *abfd, struct disassemble_info *info,
                       asymbol *sym)
{
  char *alloc;
  const char *name;

  alloc = NULL;
  name = bfd_asymbol_name (sym);
  if (do_demangle && name[0] != '\0')
    {
      /* Demangle the name.  */
      alloc = demangle (abfd, name);
      name = alloc;
    }

  if (info != NULL)
    (*info->fprintf_func) (info->stream, "%s", name);
  else
    printf ("%s", name);

  if (alloc != NULL)
    free (alloc);
}

/* Locate a symbol given a bfd, a section, and a VMA.  If REQUIRE_SEC
   is TRUE, then always require the symbol to be in the section.  This
   returns NULL if there is no suitable symbol.  If PLACE is not NULL,
   then *PLACE is set to the index of the symbol in sorted_syms.  */

static asymbol *
find_symbol_for_address (bfd *abfd, asection *sec, bfd_vma vma,
                         bfd_boolean require_sec, long *place)
{
  /* @@ 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;
  unsigned int opb = bfd_octets_per_byte (abfd);

  if (sorted_symcount < 1)
    return NULL;

  /* 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.  If there are several symbols with the same
     value, we want the first one.  */
  thisplace = min;
  while (thisplace > 0
         && (bfd_asymbol_value (sorted_syms[thisplace])
             == bfd_asymbol_value (sorted_syms[thisplace - 1])))
    --thisplace;

  /* If the file is relocatable, 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.  */
  if (sorted_syms[thisplace]->section != sec
      && (require_sec
          || ((abfd->flags & HAS_RELOC) != 0
              && vma >= bfd_get_section_vma (abfd, sec)
              && vma < (bfd_get_section_vma (abfd, sec)
                        + bfd_section_size (abfd, sec) / opb))))
    {
      long i;

      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 == sec
              && (i == 0
                  || sorted_syms[i - 1]->section != sec
                  || (bfd_asymbol_value (sorted_syms[i])
                      != bfd_asymbol_value (sorted_syms[i - 1]))))
            {
              thisplace = i;
              break;
            }
        }

      if (sorted_syms[thisplace]->section != 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 == sec)
                {
                  thisplace = i;
                  break;
                }
            }
        }

      if (sorted_syms[thisplace]->section != sec
          && (require_sec
              || ((abfd->flags & HAS_RELOC) != 0
                  && vma >= bfd_get_section_vma (abfd, sec)
                  && vma < (bfd_get_section_vma (abfd, sec)
                            + bfd_section_size (abfd, sec)))))
        {
          /* There is no suitable symbol.  */
          return NULL;
        }
    }

  if (place != NULL)
    *place = thisplace;

  return sorted_syms[thisplace];
}

/* Print an address and the offset to the nearest symbol.  */

static void
objdump_print_addr_with_sym (bfd *abfd, asection *sec, asymbol *sym,
                             bfd_vma vma, struct disassemble_info *info,
                             bfd_boolean skip_zeroes)
{
  objdump_print_value (vma, info, skip_zeroes);

  if (sym == NULL)
    {
      bfd_vma secaddr;

      (*info->fprintf_func) (info->stream, " <%s",
                             bfd_get_section_name (abfd, sec));
      secaddr = bfd_get_section_vma (abfd, sec);
      if (vma < secaddr)
        {
          (*info->fprintf_func) (info->stream, "-0x");
          objdump_print_value (secaddr - vma, info, TRUE);
        }
      else if (vma > secaddr)
        {
          (*info->fprintf_func) (info->stream, "+0x");
          objdump_print_value (vma - secaddr, info, TRUE);
        }
      (*info->fprintf_func) (info->stream, ">");
    }
  else
    {
      (*info->fprintf_func) (info->stream, " <");
      objdump_print_symname (abfd, info, sym);
      if (bfd_asymbol_value (sym) > vma)
        {
          (*info->fprintf_func) (info->stream, "-0x");
          objdump_print_value (bfd_asymbol_value (sym) - vma, info, TRUE);
        }
      else if (vma > bfd_asymbol_value (sym))
        {
          (*info->fprintf_func) (info->stream, "+0x");
          objdump_print_value (vma - bfd_asymbol_value (sym), info, TRUE);
        }
      (*info->fprintf_func) (info->stream, ">");
    }
}

/* Print an address (VMA), symbolically if possible.
   If SKIP_ZEROES is TRUE, don't output leading zeroes.  */

static void
objdump_print_addr (bfd_vma vma, struct disassemble_info *info,
                    bfd_boolean skip_zeroes)
{
  struct objdump_disasm_info *aux;
  asymbol *sym;

  if (sorted_symcount < 1)
    {
      (*info->fprintf_func) (info->stream, "0x");
      objdump_print_value (vma, info, skip_zeroes);
      return;
    }

  aux = (struct objdump_disasm_info *) info->application_data;
  sym = find_symbol_for_address (aux->abfd, aux->sec, vma, aux->require_sec,
                                 NULL);
  objdump_print_addr_with_sym (aux->abfd, aux->sec, sym, vma, info,
                               skip_zeroes);
}

/* Print VMA to INFO.  This function is passed to the disassembler
   routine.  */

static void
objdump_print_address (bfd_vma vma, struct disassemble_info *info)
{
  objdump_print_addr (vma, info, ! prefix_addresses);
}

/* Determine of the given address has a symbol associated with it.  */

static int
objdump_symbol_at_address (bfd_vma vma, struct disassemble_info * info)
{
  struct objdump_disasm_info * aux;
  asymbol * sym;

  /* No symbols - do not bother checking.  */
  if (sorted_symcount < 1)
    return 0;

  aux = (struct objdump_disasm_info *) info->application_data;
  sym = find_symbol_for_address (aux->abfd, aux->sec, vma, aux->require_sec,
                                 NULL);

  return (sym != NULL && (bfd_asymbol_value (sym) == vma));
}

/* 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;
  const char *filename;
  const char *modname;
  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)

/* Tries to open MODNAME, and if successful adds a node to print_files
   linked list and returns that node.  Returns NULL on failure.  */

static struct print_file_list *
try_print_file_open (const char *origname, const char *modname)
{
  struct print_file_list *p;
  FILE *f;

  f = fopen (modname, "r");
  if (f == NULL)
    return NULL;

  if (print_files != NULL && print_files->f != NULL)
    {
      fclose (print_files->f);
      print_files->f = NULL;
    }

  p = xmalloc (sizeof (struct print_file_list));
  p->filename = origname;
  p->modname = modname;
  p->line = 0;
  p->f = f;
  p->next = print_files;
  print_files = p;
  return p;
}

/* If the the source file, as described in the symtab, is not found
   try to locate it in one of the paths specified with -I
   If found, add location to print_files linked list.  */

static struct print_file_list *
update_source_path (const char *filename)
{
  struct print_file_list *p;
  const char *fname;
  int i;

  if (filename == NULL)
    return NULL;

  p = try_print_file_open (filename, filename);
  if (p != NULL)
    return p;

  if (include_path_count == 0)
    return NULL;

  /* Get the name of the file.  */
  fname = strrchr (filename, '/');
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
  {
    /* We could have a mixed forward/back slash case.  */
    char *backslash = strrchr (filename, '\\');
    if (fname == NULL || (backslash != NULL && backslash > fname))
      fname = backslash;
    if (fname == NULL && filename[0] != '\0' && filename[1] == ':')
      fname = filename + 1;
  }
#endif
  if (fname == NULL)
    fname = filename;
  else
    ++fname;

  /* If file exists under a new path, we need to add it to the list
     so that show_line knows about it.  */
  for (i = 0; i < include_path_count; i++)
    {
      char *modname = concat (include_paths[i], "/", fname, (const char *) 0);

      p = try_print_file_open (filename, modname);
      if (p)
        return p;

      free (modname);
    }

  return NULL;
}

/* Skip ahead to a given line in a file, optionally printing each
   line.  */

static void
skip_to_line (struct print_file_list *p, unsigned int line,
              bfd_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 (bfd *abfd, asection *section, bfd_vma addr_offset)
{
  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, addr_offset, &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 = 0;
                }

              if (p->f == NULL)
                {
                  p->f = fopen (p->modname, "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
        {
          p = update_source_path (filename);

          if (p != NULL)
            {
              int l;

              if (file_start_context)
                l = 0;
              else
                l = line - SHOW_PRECEDING_CONTEXT_LINES;
              if (l < 0)
                l = 0;
              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;
}

/* Pseudo FILE object for strings.  */
typedef struct
{
  char *buffer;
  size_t size;
  char *current;
} SFILE;

/* sprintf to a "stream".  */

static int
objdump_sprintf (SFILE *f, const char *format, ...)
{
  char *buf;
  size_t n;
  va_list args;

  va_start (args, format);

  vasprintf (&buf, format, args);

  if (buf == NULL)
    {
      va_end (args);
      fatal (_("Out of virtual memory"));
    }

  n = strlen (buf);

  while ((size_t) ((f->buffer + f->size) - f->current) < n + 1)
    {
      size_t curroff;

      curroff = f->current - f->buffer;
      f->size *= 2;
      f->buffer = xrealloc (f->buffer, f->size);
      f->current = f->buffer + curroff;
    }

  memcpy (f->current, buf, n);
  f->current += n;
  f->current[0] = '\0';

  free (buf);

  va_end (args);
  return n;
}

/* Returns TRUE if the specified section should be dumped.  */

static bfd_boolean
process_section_p (asection * section)
{
  size_t i;

  if (only == NULL)
    return TRUE;

  for (i = 0; i < only_used; i++)
    if (strcmp (only [i], section->name) == 0)
      return TRUE;

  return FALSE;
}


/* The number of zeroes we want to see before we start skipping them.
   The number is arbitrarily chosen.  */

#ifndef SKIP_ZEROES
#define SKIP_ZEROES (8)
#endif

/* The number of zeroes to skip at the end of a section.  If the
   number of zeroes at the end is between SKIP_ZEROES_AT_END and
   SKIP_ZEROES, they will be disassembled.  If there are fewer than
   SKIP_ZEROES_AT_END, they will be skipped.  This is a heuristic
   attempt to avoid disassembling zeroes inserted by section
   alignment.  */

#ifndef SKIP_ZEROES_AT_END
#define SKIP_ZEROES_AT_END (3)
#endif

/* Disassemble some data in memory between given values.  */

static void
disassemble_bytes (struct disassemble_info * info,
                   disassembler_ftype        disassemble_fn,
                   bfd_boolean               insns,
                   bfd_byte *                data,
                   bfd_vma                   start_offset,
                   bfd_vma                   stop_offset,
                   bfd_vma                   rel_offset,
                   arelent ***               relppp,
                   arelent **                relppend)
{
  struct objdump_disasm_info *aux;
  asection *section;
  int octets_per_line;
  bfd_boolean done_dot;
  int skip_addr_chars;
  bfd_vma addr_offset;
  int opb = info->octets_per_byte;

  aux = (struct objdump_disasm_info *) info->application_data;
  section = aux->sec;

  if (insns)
    octets_per_line = 4;
  else
    octets_per_line = 16;

  /* Figure out how many characters to skip at the start of an
     address, to make the disassembly look nicer.  We discard leading
     zeroes in chunks of 4, ensuring that there is always a leading
     zero remaining.  */
  skip_addr_chars = 0;
  if (! prefix_addresses)
    {
      char buf[30];
      char *s;

      bfd_sprintf_vma
        (aux->abfd, buf,
         (section->vma
          + bfd_section_size (section->owner, section) / opb));
      s = buf;
      while (s[0] == '0' && s[1] == '0' && s[2] == '0' && s[3] == '0'
             && s[4] == '0')
        {
          skip_addr_chars += 4;
          s += 4;
        }
    }

  info->insn_info_valid = 0;

  done_dot = FALSE;
  addr_offset = start_offset;
  while (addr_offset < stop_offset)
    {
      bfd_vma z;
      int octets = 0;
      bfd_boolean need_nl = FALSE;

      /* If we see more than SKIP_ZEROES octets of zeroes, we just
         print `...'.  */
      for (z = addr_offset * opb; z < stop_offset * opb; z++)
        if (data[z] != 0)
          break;
      if (! disassemble_zeroes
          && (info->insn_info_valid == 0
              || info->branch_delay_insns == 0)
          && (z - addr_offset * opb >= SKIP_ZEROES
              || (z == stop_offset * opb &&
                  z - addr_offset * opb < SKIP_ZEROES_AT_END)))
        {
          printf ("\t...\n");

          /* If there are more nonzero octets to follow, we only skip
             zeroes in multiples of 4, to try to avoid running over
             the start of an instruction which happens to start with
             zero.  */
          if (z != stop_offset * opb)
            z = addr_offset * opb + ((z - addr_offset * opb) &~ 3);

          octets = z - addr_offset * opb;
        }
      else
        {
          char buf[50];
          SFILE sfile;
          int bpc = 0;
          int pb = 0;

          done_dot = FALSE;

          if (with_line_numbers || with_source_code)
            /* The line number tables will refer to unadjusted
               section VMAs, so we must undo any VMA modifications
               when calling show_line.  */
            show_line (aux->abfd, section, addr_offset - adjust_section_vma);

          if (! prefix_addresses)
            {
              char *s;

              bfd_sprintf_vma (aux->abfd, buf, section->vma + addr_offset);
              for (s = buf + skip_addr_chars; *s == '0'; s++)
                *s = ' ';
              if (*s == '\0')
                *--s = '0';
              printf ("%s:\t", buf + skip_addr_chars);
            }
          else
            {
              aux->require_sec = TRUE;
              objdump_print_address (section->vma + addr_offset, info);
              aux->require_sec = FALSE;
              putchar (' ');
            }

          if (insns)
            {
              sfile.size = 120;
              sfile.buffer = xmalloc (sfile.size);
              sfile.current = sfile.buffer;
              info->fprintf_func = (fprintf_ftype) objdump_sprintf;
              info->stream = (FILE *) &sfile;
              info->bytes_per_line = 0;
              info->bytes_per_chunk = 0;

#ifdef DISASSEMBLER_NEEDS_RELOCS
              /* FIXME: This is wrong.  It tests the number of octets
                 in the last instruction, not the current one.  */
              if (*relppp < relppend
                  && (**relppp)->address >= rel_offset + addr_offset
                  && ((**relppp)->address
                      < rel_offset + addr_offset + octets / opb))
                info->flags = INSN_HAS_RELOC;
              else
#endif
                info->flags = 0;

              octets = (*disassemble_fn) (section->vma + addr_offset, info);
              info->fprintf_func = (fprintf_ftype) fprintf;
              info->stream = stdout;
              if (info->bytes_per_line != 0)
                octets_per_line = info->bytes_per_line;
              if (octets < 0)
                {
                  if (sfile.current != sfile.buffer)
                    printf ("%s\n", sfile.buffer);
                  free (sfile.buffer);
                  break;
                }
            }
          else
            {
              bfd_vma j;

              octets = octets_per_line;
              if (addr_offset + octets / opb > stop_offset)
                octets = (stop_offset - addr_offset) * opb;

              for (j = addr_offset * opb; j < addr_offset * opb + octets; ++j)
                {
                  if (ISPRINT (data[j]))
                    buf[j - addr_offset * opb] = data[j];
                  else
                    buf[j - addr_offset * opb] = '.';
                }
              buf[j - addr_offset * opb] = '\0';
            }

          if (prefix_addresses
              ? show_raw_insn > 0
              : show_raw_insn >= 0)
            {
              bfd_vma j;

              /* If ! prefix_addresses and ! wide_output, we print
                 octets_per_line octets per line.  */
              pb = octets;
              if (pb > octets_per_line && ! prefix_addresses && ! wide_output)
                pb = octets_per_line;

              if (info->bytes_per_chunk)
                bpc = info->bytes_per_chunk;
              else
                bpc = 1;

              for (j = addr_offset * opb; j < addr_offset * opb + pb; j += bpc)
                {
                  int k;
                  if (bpc > 1 && info->display_endian == BFD_ENDIAN_LITTLE)
                    {
                      for (k = bpc - 1; k >= 0; k--)
                        printf ("%02x", (unsigned) data[j + k]);
                      putchar (' ');
                    }
                  else
                    {
                      for (k = 0; k < bpc; k++)
                        printf ("%02x", (unsigned) data[j + k]);
                      putchar (' ');
                    }
                }

              for (; pb < octets_per_line; pb += bpc)
                {
                  int k;

                  for (k = 0; k < bpc; k++)
                    printf ("  ");
                  putchar (' ');
                }

              /* Separate raw data from instruction by extra space.  */
              if (insns)
                putchar ('\t');
              else
                printf ("    ");
            }

          if (! insns)
            printf ("%s", buf);
          else
            {
              printf ("%s", sfile.buffer);
              free (sfile.buffer);
            }

          if (prefix_addresses
              ? show_raw_insn > 0
              : show_raw_insn >= 0)
            {
              while (pb < octets)
                {
                  bfd_vma j;
                  char *s;

                  putchar ('\n');
                  j = addr_offset * opb + pb;

                  bfd_sprintf_vma (aux->abfd, buf, section->vma + j / opb);
                  for (s = buf + skip_addr_chars; *s == '0'; s++)
                    *s = ' ';
                  if (*s == '\0')
                    *--s = '0';
                  printf ("%s:\t", buf + skip_addr_chars);

                  pb += octets_per_line;
                  if (pb > octets)
                    pb = octets;
                  for (; j < addr_offset * opb + pb; j += bpc)
                    {
                      int k;

                      if (bpc > 1 && info->display_endian == BFD_ENDIAN_LITTLE)
                        {
                          for (k = bpc - 1; k >= 0; k--)
                            printf ("%02x", (unsigned) data[j + k]);
                          putchar (' ');
                        }
                      else
                        {
                          for (k = 0; k < bpc; k++)
                            printf ("%02x", (unsigned) data[j + k]);
                          putchar (' ');
                        }
                    }
                }
            }

          if (!wide_output)
            putchar ('\n');
          else
            need_nl = TRUE;
        }

      while ((*relppp) < relppend
             && (**relppp)->address < rel_offset + addr_offset + octets / opb)
        {
          if (dump_reloc_info || dump_dynamic_reloc_info)
            {
              arelent *q;

              q = **relppp;

              if (wide_output)
                putchar ('\t');
              else
                printf ("\t\t\t");

              objdump_print_value (section->vma + q->address, info, TRUE);

              printf (": %s\t", q->howto->name);

              if (q->sym_ptr_ptr == NULL || *q->sym_ptr_ptr == NULL)
                printf ("*unknown*");
              else
                {
                  const char *sym_name;

                  sym_name = bfd_asymbol_name (*q->sym_ptr_ptr);
                  if (sym_name != NULL && *sym_name != '\0')
                    objdump_print_symname (aux->abfd, info, *q->sym_ptr_ptr);
                  else
                    {
                      asection *sym_sec;

                      sym_sec = bfd_get_section (*q->sym_ptr_ptr);
                      sym_name = bfd_get_section_name (aux->abfd, sym_sec);
                      if (sym_name == NULL || *sym_name == '\0')
                        sym_name = "*unknown*";
                      printf ("%s", sym_name);
                    }
                }

              if (q->addend)
                {
                  printf ("+0x");
                  objdump_print_value (q->addend, info, TRUE);
                }

              printf ("\n");
              need_nl = FALSE;
            }
          ++(*relppp);
        }

      if (need_nl)
        printf ("\n");

      addr_offset += octets / opb;
    }
}

static void
disassemble_section (bfd *abfd, asection *section, void *info)
{
  struct disassemble_info *    pinfo = (struct disassemble_info *) info;
  struct objdump_disasm_info * paux = (struct objdump_disasm_info *) pinfo->application_data;
  unsigned int                 opb = pinfo->octets_per_byte;
  bfd_byte *                   data = NULL;
  bfd_size_type                datasize = 0;
  arelent **                   rel_pp = NULL;
  arelent **                   rel_ppstart = NULL;
  arelent **                   rel_ppend;
  unsigned long                stop_offset;
  asymbol *                    sym = NULL;
  long                         place = 0;
  long                         rel_count;
  bfd_vma                      rel_offset;
  unsigned long                addr_offset;

  /* Sections that do not contain machine
     code are not normally disassembled.  */
  if (! disassemble_all
      && only == NULL
      && (section->flags & SEC_CODE) == 0)
    return;

  if (! process_section_p (section))
    return;

  datasize = bfd_get_section_size_before_reloc (section);
  if (datasize == 0)
    return;

  /* Decide which set of relocs to use.  Load them if necessary.  */
  if (paux->dynrelbuf)
    {
      rel_pp = paux->dynrelbuf;
      rel_count = paux->dynrelcount;
      /* Dynamic reloc addresses are absolute, non-dynamic are section
         relative.  REL_OFFSET specifies the reloc address corresponnding
         to the start of this section.  */
      rel_offset = pinfo->buffer_vma;
    }
  else
    {
      rel_count = 0;
      rel_pp = NULL;
      rel_offset = 0;

      if ((section->flags & SEC_RELOC) != 0
#ifndef DISASSEMBLER_NEEDS_RELOCS
          && dump_reloc_info
#endif
          )
        {
          long relsize;

          relsize = bfd_get_reloc_upper_bound (abfd, section);
          if (relsize < 0)
            bfd_fatal (bfd_get_filename (abfd));

          if (relsize > 0)
            {
              rel_ppstart = rel_pp = xmalloc (relsize);
              rel_count = bfd_canonicalize_reloc (abfd, section, rel_pp, syms);
              if (rel_count < 0)
                bfd_fatal (bfd_get_filename (abfd));

              /* Sort the relocs by address.  */
              qsort (rel_pp, rel_count, sizeof (arelent *), compare_relocs);
            }
        }

    }
  rel_ppend = rel_pp + rel_count;

  data = xmalloc (datasize);

  bfd_get_section_contents (abfd, section, data, 0, datasize);

  paux->sec = section;
  pinfo->buffer = data;
  pinfo->buffer_vma = section->vma;
  pinfo->buffer_length = datasize;
  pinfo->section = section;

  if (start_address == (bfd_vma) -1
      || start_address < pinfo->buffer_vma)
    addr_offset = 0;
  else
    addr_offset = start_address - pinfo->buffer_vma;

  if (stop_address == (bfd_vma) -1)
    stop_offset = datasize / opb;
  else
    {
      if (stop_address < pinfo->buffer_vma)
        stop_offset = 0;
      else
        stop_offset = stop_address - pinfo->buffer_vma;
      if (stop_offset > pinfo->buffer_length / opb)
        stop_offset = pinfo->buffer_length / opb;
    }

  /* Skip over the relocs belonging to addresses below the
     start address.  */
  while (rel_pp < rel_ppend
         && (*rel_pp)->address < rel_offset + addr_offset)
    ++rel_pp;

  printf (_("Disassembly of section %s:\n"), section->name);

  /* Find the nearest symbol forwards from our current position.  */
  sym = find_symbol_for_address (abfd, section, section->vma + addr_offset,
                                 TRUE, &place);

  /* Disassemble a block of instructions up to the address associated with
     the symbol we have just found.  Then print the symbol and find the
     next symbol on.  Repeat until we have disassembled the entire section
     or we have reached the end of the address range we are interested in.  */
  while (addr_offset < stop_offset)
    {
      asymbol *nextsym;
      unsigned long nextstop_offset;
      bfd_boolean insns;

      if (sym != NULL
          && bfd_asymbol_value (sym) <= section->vma + addr_offset)
        {
          int x;

          for (x = place;
               (x < sorted_symcount
                && (bfd_asymbol_value (sorted_syms[x])
                    <= section->vma + addr_offset));
               ++x)
            continue;

          pinfo->symbols = & sorted_syms[place];
          pinfo->num_symbols = x - place;
        }
      else
        pinfo->symbols = NULL;

      if (! prefix_addresses)
        {
          pinfo->fprintf_func (pinfo->stream, "\n");
          objdump_print_addr_with_sym (abfd, section, sym,
                                       section->vma + addr_offset,
                                       pinfo, FALSE);
          pinfo->fprintf_func (pinfo->stream, ":\n");
        }

      if (sym != NULL
          && bfd_asymbol_value (sym) > section->vma + addr_offset)
        nextsym = sym;
      else if (sym == NULL)
        nextsym = NULL;
      else
        {
          /* Search forward for the next appropriate symbol in
             SECTION.  Note that all the symbols are sorted
             together into one big array, and that some sections
             may have overlapping addresses.  */
          while (place < sorted_symcount
                 && (sorted_syms[place]->section != section
                     || (bfd_asymbol_value (sorted_syms[place])
                         <= bfd_asymbol_value (sym))))
            ++place;
          if (place >= sorted_symcount)
            nextsym = NULL;
          else
            nextsym = sorted_syms[place];
        }

      if (sym != NULL
          && bfd_asymbol_value (sym) > section->vma + addr_offset)
        {
          nextstop_offset = bfd_asymbol_value (sym) - section->vma;
          if (nextstop_offset > stop_offset)
            nextstop_offset = stop_offset;
        }
      else if (nextsym == NULL)
        nextstop_offset = stop_offset;
      else
        {
          nextstop_offset = bfd_asymbol_value (nextsym) - section->vma;
          if (nextstop_offset > stop_offset)
            nextstop_offset = stop_offset;
        }

      /* If a symbol is explicitly marked as being an object
         rather than a function, just dump the bytes without
         disassembling them.  */
      if (disassemble_all
          || sym == NULL
          || bfd_asymbol_value (sym) > section->vma + addr_offset
          || ((sym->flags & BSF_OBJECT) == 0
              && (strstr (bfd_asymbol_name (sym), "gnu_compiled")
                  == NULL)
              && (strstr (bfd_asymbol_name (sym), "gcc2_compiled")
                  == NULL))
          || (sym->flags & BSF_FUNCTION) != 0)
        insns = TRUE;
      else
        insns = FALSE;

      disassemble_bytes (pinfo, paux->disassemble_fn, insns, data,
                         addr_offset, nextstop_offset,
                         rel_offset, &rel_pp, rel_ppend);

      addr_offset = nextstop_offset;
      sym = nextsym;
    }

  free (data);

  if (rel_ppstart != NULL)
    free (rel_ppstart);
}

/* Disassemble the contents of an object file.  */

static void
disassemble_data (bfd *abfd)
{
  struct disassemble_info disasm_info;
  struct objdump_disasm_info aux;

  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 = 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, fprintf);

  disasm_info.application_data = (void *) &aux;
  aux.abfd = abfd;
  aux.require_sec = FALSE;
  aux.dynrelbuf = NULL;
  aux.dynrelcount = 0;

  disasm_info.print_address_func = objdump_print_address;
  disasm_info.symbol_at_address_func = objdump_symbol_at_address;

  if (machine != NULL)
    {
      const bfd_arch_info_type *info = bfd_scan_arch (machine);

      if (info == NULL)
        fatal (_("Can't use supplied machine %s"), machine);

      abfd->arch_info = info;
    }

  if (endian != BFD_ENDIAN_UNKNOWN)
    {
      struct bfd_target *xvec;

      xvec = xmalloc (sizeof (struct bfd_target));
      memcpy (xvec, abfd->xvec, sizeof (struct bfd_target));
      xvec->byteorder = endian;
      abfd->xvec = xvec;
    }

  /* Use libopcodes to locate a suitable disassembler.  */
  aux.disassemble_fn = disassembler (abfd);
  if (!aux.disassemble_fn)
    {
      non_fatal (_("Can't disassemble for architecture %s\n"),
                 bfd_printable_arch_mach (bfd_get_arch (abfd), 0));
      exit_status = 1;
      return;
    }

  disasm_info.flavour = bfd_get_flavour (abfd);
  disasm_info.arch = bfd_get_arch (abfd);
  disasm_info.mach = bfd_get_mach (abfd);
  disasm_info.disassembler_options = disassembler_options;
  disasm_info.octets_per_byte = bfd_octets_per_byte (abfd);

  if (bfd_big_endian (abfd))
    disasm_info.display_endian = disasm_info.endian = BFD_ENDIAN_BIG;
  else if (bfd_little_endian (abfd))
    disasm_info.display_endian = disasm_info.endian = BFD_ENDIAN_LITTLE;
  else
    /* ??? Aborting here seems too drastic.  We could default to big or little
       instead.  */
    disasm_info.endian = BFD_ENDIAN_UNKNOWN;

  /* Pre-load the dynamic relocs if we are going
     to be dumping them along with the disassembly.  */
  if (dump_dynamic_reloc_info)
    {
      long relsize = bfd_get_dynamic_reloc_upper_bound (abfd);
  
      if (relsize < 0)
        bfd_fatal (bfd_get_filename (abfd));

      if (relsize > 0)
        {
          aux.dynrelbuf = xmalloc (relsize);
          aux.dynrelcount = bfd_canonicalize_dynamic_reloc (abfd, aux.dynrelbuf, dynsyms);
          if (aux.dynrelcount < 0)
            bfd_fatal (bfd_get_filename (abfd));

          /* Sort the relocs by address.  */
          qsort (aux.dynrelbuf, aux.dynrelcount, sizeof (arelent *), compare_relocs);
        }
    }

  bfd_map_over_sections (abfd, disassemble_section, & disasm_info);

  if (aux.dynrelbuf != NULL)
    free (aux.dynrelbuf);
  free (sorted_syms);
}
\f
/* 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.  */

static bfd_boolean
read_section_stabs (bfd *abfd, const char *stabsect_name,
                    const char *strsect_name)
{
  asection *stabsect, *stabstrsect;

  stabsect = bfd_get_section_by_name (abfd, stabsect_name);
  if (stabsect == NULL)
    {
      printf (_("No %s section present\n\n"), stabsect_name);
      return FALSE;
    }

  stabstrsect = bfd_get_section_by_name (abfd, strsect_name);
  if (stabstrsect == NULL)
    {
      non_fatal (_("%s has no %s section"),
                 bfd_get_filename (abfd), strsect_name);
      exit_status = 1;
      return FALSE;
    }

  stab_size    = bfd_section_size (abfd, stabsect);
  stabstr_size = bfd_section_size (abfd, stabstrsect);

  stabs  = xmalloc (stab_size);
  strtab = xmalloc (stabstr_size);

  if (! bfd_get_section_contents (abfd, stabsect, stabs, 0, stab_size))
    {
      non_fatal (_("Reading %s section of %s failed: %s"),
                 stabsect_name, bfd_get_filename (abfd),
                 bfd_errmsg (bfd_get_error ()));
      free (stabs);
      free (strtab);
      exit_status = 1;
      return FALSE;
    }

  if (! bfd_get_section_contents (abfd, stabstrsect, (void *) strtab, 0,
                                  stabstr_size))
    {
      non_fatal (_("Reading %s section of %s failed: %s\n"),
                 strsect_name, bfd_get_filename (abfd),
                 bfd_errmsg (bfd_get_error ()));
      free (stabs);
      free (strtab);
      exit_status = 1;
      return FALSE;
    }

  return TRUE;
}

/* Stabs entries use a 12 byte format:
     4 byte string table index
     1 byte stab type
     1 byte stab other field
     2 byte stab desc field
     4 byte stab value
   FIXME: This will have to change for a 64 bit object format.  */

#define STRDXOFF  (0)
#define TYPEOFF   (4)
#define OTHEROFF  (5)
#define DESCOFF   (6)
#define VALOFF    (8)
#define STABSIZE (12)

/* Print ABFD's stabs section STABSECT_NAME (in `stabs'),
   using string table section STRSECT_NAME (in `strtab').  */

static void
print_section_stabs (bfd *abfd, const char *stabsect_name)
{
  int i;
  unsigned file_string_table_offset = 0;
  unsigned next_file_string_table_offset = 0;
  bfd_byte *stabp, *stabs_end;

  stabp = stabs;
  stabs_end = stabp + stab_size;

  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 += STABSIZE, i++)
    {
      const char *name;
      unsigned long strx;
      unsigned char type, other;
      unsigned short desc;
      bfd_vma value;

      strx = bfd_h_get_32 (abfd, stabp + STRDXOFF);
      type = bfd_h_get_8 (abfd, stabp + TYPEOFF);
      other = bfd_h_get_8 (abfd, stabp + OTHEROFF);
      desc = bfd_h_get_16 (abfd, stabp + DESCOFF);
      value = bfd_h_get_32 (abfd, stabp + VALOFF);

      printf ("\n%-6d ", i);
      /* Either print the stab name, or, if unnamed, print its number
         again (makes consistent formatting for tools like awk).  */
      name = bfd_get_stab_name (type);
      if (name != NULL)
        printf ("%-6s", name);
      else if (type == N_UNDF)
        printf ("HdrSym");
      else
        printf ("%-6d", type);
      printf (" %-6d %-6d ", other, desc);
      bfd_printf_vma (abfd, value);
      printf (" %-6lu", 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 (type == N_UNDF)
        {
          file_string_table_offset = next_file_string_table_offset;
          next_file_string_table_offset += value;
        }
      else
        {
          /* Using the (possibly updated) string table offset, print the
             string (if any) associated with this symbol.  */
          if ((strx + file_string_table_offset) < stabstr_size)
            printf (" %s", &strtab[strx + file_string_table_offset]);
          else
            printf (" *");
        }
    }
  printf ("\n\n");
}

typedef struct
{
  const char * section_name;
  const char * string_section_name;
}
stab_section_names;

static void
find_stabs_section (bfd *abfd, asection *section, void *names)
{
  int len;
  stab_section_names * sought = (stab_section_names *) names;

  /* Check for section names for which stabsect_name is a prefix, to
     handle .stab0, etc.  */
  len = strlen (sought->section_name);

  /* If the prefix matches, and the files section name ends with a
     nul or a digit, then we match.  I.e., we want either an exact
     match or a section followed by a number.  */
  if (strncmp (sought->section_name, section->name, len) == 0
      && (section->name[len] == 0
          || ISDIGIT (section->name[len])))
    {
      if (read_section_stabs (abfd, section->name, sought->string_section_name))
        {
          print_section_stabs (abfd, section->name);
          free (stabs);
          free (strtab);
        }
    }
}

static void
dump_stabs_section (bfd *abfd, char *stabsect_name, char *strsect_name)
{
  stab_section_names s;

  s.section_name = stabsect_name;
  s.string_section_name = strsect_name;
  
  bfd_map_over_sections (abfd, find_stabs_section, & s);
}

/* Dump the any sections containing stabs debugging information.  */

static void
dump_stabs (bfd *abfd)
{
  dump_stabs_section (abfd, ".stab", ".stabstr");
  dump_stabs_section (abfd, ".stab.excl", ".stab.exclstr");
  dump_stabs_section (abfd, ".stab.index", ".stab.indexstr");
  dump_stabs_section (abfd, "$GDB_SYMBOLS$", "$GDB_STRINGS$");
}
\f
static void
dump_bfd_header (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");
  PF (HAS_LOAD_PAGE, "HAS_LOAD_PAGE");
  printf (_("\nstart address 0x"));
  bfd_printf_vma (abfd, abfd->start_address);
  printf ("\n");
}

\f
static void
dump_bfd_private_header (bfd *abfd)
{
  bfd_print_private_bfd_data (abfd, stdout);
}

\f
/* Display a section in hexadecimal format with associated characters.
   Each line prefixed by the zero padded address.  */

static void
dump_section (bfd *abfd, asection *section, void *dummy ATTRIBUTE_UNUSED)
{
  bfd_byte *data = 0;
  bfd_size_type datasize;
  bfd_size_type addr_offset;
  bfd_size_type start_offset;
  bfd_size_type stop_offset;
  unsigned int opb = bfd_octets_per_byte (abfd);
  /* Bytes per line.  */
  const int onaline = 16;
  char buf[64];
  int count;
  int width;

  if ((section->flags & SEC_HAS_CONTENTS) == 0)
    return;

  if (! process_section_p (section))
    return;
  
  if ((datasize = bfd_section_size (abfd, section)) == 0)
    return;

  printf (_("Contents of section %s:\n"), section->name);

  data = xmalloc (datasize);

  bfd_get_section_contents (abfd, section, data, 0, datasize);

  /* Compute the address range to display.  */
  if (start_address == (bfd_vma) -1
      || start_address < section->vma)
    start_offset = 0;
  else
    start_offset = start_address - section->vma;

  if (stop_address == (bfd_vma) -1)
    stop_offset = datasize / opb;
  else
    {
      if (stop_address < section->vma)
        stop_offset = 0;
      else
        stop_offset = stop_address - section->vma;

      if (stop_offset > datasize / opb)
        stop_offset = datasize / opb;
    }

  width = 4;

  bfd_sprintf_vma (abfd, buf, start_offset + section->vma);
  if (strlen (buf) >= sizeof (buf))
    abort ();

  count = 0;
  while (buf[count] == '0' && buf[count+1] != '\0')
    count++;
  count = strlen (buf) - count;
  if (count > width)
    width = count;

  bfd_sprintf_vma (abfd, buf, stop_offset + section->vma - 1);
  if (strlen (buf) >= sizeof (buf))
    abort ();

  count = 0;
  while (buf[count] == '0' && buf[count+1] != '\0')
    count++;
  count = strlen (buf) - count;
  if (count > width)
    width = count;

  for (addr_offset = start_offset;
       addr_offset < stop_offset; addr_offset += onaline / opb)
    {
      bfd_size_type j;

      bfd_sprintf_vma (abfd, buf, (addr_offset + section->vma));
      count = strlen (buf);
      if ((size_t) count >= sizeof (buf))
        abort ();

      putchar (' ');
      while (count < width)
        {
          putchar ('0');
          count++;
        }
      fputs (buf + count - width, stdout);
      putchar (' ');

      for (j = addr_offset * opb;
           j < addr_offset * opb + onaline; j++)
        {
          if (j < stop_offset * opb)
            printf ("%02x", (unsigned) (data[j]));
          else
            printf ("  ");
          if ((j & 3) == 3)
            printf (" ");
        }

      printf (" ");
      for (j = addr_offset * opb;
           j < addr_offset * opb + onaline; j++)
        {
          if (j >= stop_offset * opb)
            printf (" ");
          else
            printf ("%c", ISPRINT (data[j]) ? data[j] : '.');
        }
      putchar ('\n');
    }
  free (data);
}

/* Actually display the various requested regions.  */

static void
dump_data (bfd *abfd)
{
  bfd_map_over_sections (abfd, dump_section, NULL);
}

/* Should perhaps share code and display with nm?  */

static void
dump_symbols (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean dynamic)
{
  asymbol **current;
  long max;
  long count;

  if (dynamic)
    {
      current = dynsyms;
      max = dynsymcount;
      printf ("DYNAMIC SYMBOL TABLE:\n");
    }
  else
    {
      current = syms;
      max = symcount;
      printf ("SYMBOL TABLE:\n");
    }

  if (max == 0)
    printf (_("no symbols\n"));

  for (count = 0; count < max; count++)
    {
      bfd *cur_bfd;

      if (*current == NULL)
        printf (_("no information for the %ld'th symbol"), count);

      else if ((cur_bfd = bfd_asymbol_bfd (*current)) == NULL)
        printf (_("could not determine the type of the %ld'th symbol"),
                count);

      else
        {
          const char *name = (*current)->name;

          if (do_demangle && name != NULL && *name != '\0')
            {
              char *alloc;

              /* If we want to demangle the name, we demangle it
                 here, and temporarily clobber it while calling
                 bfd_print_symbol.  FIXME: This is a gross hack.  */
              alloc = demangle (cur_bfd, name);
              (*current)->name = alloc;
              bfd_print_symbol (cur_bfd, stdout, *current,
                                bfd_print_symbol_all);
              (*current)->name = name;
              free (alloc);
            }
          else
            bfd_print_symbol (cur_bfd, stdout, *current,
                              bfd_print_symbol_all);
        }

      printf ("\n");
      current++;
    }
  printf ("\n\n");
}
\f
static void
dump_reloc_set (bfd *abfd, asection *sec, arelent **relpp, long relcount)
{
  arelent **p;
  char *last_filename, *last_functionname;
  unsigned int last_line;

  /* Get column headers lined up reasonably.  */
  {
    static int width;

    if (width == 0)
      {
        char buf[30];

        bfd_sprintf_vma (abfd, buf, (bfd_vma) -1);
        width = strlen (buf) - 7;
      }
    printf ("OFFSET %*s TYPE %*s VALUE \n", width, "", 12, "");
  }

  last_filename = NULL;
  last_functionname = NULL;
  last_line = 0;

  for (p = relpp; relcount && *p != NULL; p++, relcount--)
    {
      arelent *q = *p;
      const char *filename, *functionname;
      unsigned int line;
      const char *sym_name;
      const char *section_name;

      if (start_address != (bfd_vma) -1
          && q->address < start_address)
        continue;
      if (stop_address != (bfd_vma) -1
          && q->address > stop_address)
        continue;

      if (with_line_numbers
          && sec != NULL
          && bfd_find_nearest_line (abfd, sec, syms, q->address,
                                    &filename, &functionname, &line))
        {
          if (functionname != NULL
              && (last_functionname == NULL
                  || strcmp (functionname, last_functionname) != 0))
            {
              printf ("%s():\n", functionname);
              if (last_functionname != NULL)
                free (last_functionname);
              last_functionname = xstrdup (functionname);
            }

          if (line > 0
              && (line != last_line
                  || (filename != NULL
                      && last_filename != NULL
                      && strcmp (filename, last_filename) != 0)))
            {
              printf ("%s:%u\n", filename == NULL ? "???" : filename, line);
              last_line = line;
              if (last_filename != NULL)
                free (last_filename);
              if (filename == NULL)
                last_filename = NULL;
              else
                last_filename = xstrdup (filename);
            }
        }

      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)
        {
          bfd_printf_vma (abfd, q->address);
          if (q->howto->name)
            printf (" %-16s  ", q->howto->name);
          else
            printf (" %-16d  ", q->howto->type);
          objdump_print_symname (abfd, NULL, *q->sym_ptr_ptr);
        }
      else
        {
          if (section_name == NULL)
            section_name = "*unknown*";
          bfd_printf_vma (abfd, q->address);
          printf (" %-16s  [%s]",
                  q->howto->name,
                  section_name);
        }

      if (q->addend)
        {
          printf ("+0x");
          bfd_printf_vma (abfd, q->addend);
        }

      printf ("\n");
    }
}

static void
dump_relocs_in_section (bfd *abfd, asection *section, void *dummy ATTRIBUTE_UNUSED)
{
  arelent **relpp;
  long relcount;
  long relsize;

  if (   bfd_is_abs_section (section)
      || bfd_is_und_section (section)
      || bfd_is_com_section (section)
      || (! process_section_p (section))
      || ((section->flags & SEC_RELOC) == 0))
    return;

  relsize = bfd_get_reloc_upper_bound (abfd, section);
  if (relsize < 0)
    bfd_fatal (bfd_get_filename (abfd));

  printf ("RELOCATION RECORDS FOR [%s]:", section->name);

  if (relsize == 0)
    {
      printf (" (none)\n\n");
      return;
    }

  relpp = xmalloc (relsize);
  relcount = bfd_canonicalize_reloc (abfd, section, 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, section, relpp, relcount);
      printf ("\n\n");
    }
  free (relpp);
}

static void
dump_relocs (bfd *abfd)
{
  bfd_map_over_sections (abfd, dump_relocs_in_section, NULL);
}

static void
dump_dynamic_relocs (bfd *abfd)
{
  long relsize;
  arelent **relpp;
  long relcount;

  relsize = bfd_get_dynamic_reloc_upper_bound (abfd);
  if (relsize < 0)
    bfd_fatal (bfd_get_filename (abfd));

  printf ("DYNAMIC RELOCATION RECORDS");

  if (relsize == 0)
    printf (" (none)\n\n");
  else
    {
      relpp = 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, NULL, relpp, relcount);
          printf ("\n\n");
        }
      free (relpp);
    }
}

/* Creates a table of paths, to search for source files.  */

static void
add_include_path (const char *path)
{
  if (path[0] == 0)
    return;
  include_path_count++;
  include_paths = xrealloc (include_paths,
                            include_path_count * sizeof (*include_paths));
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
  if (path[1] == ':' && path[2] == 0)
    path = concat (path, ".", (const char *) 0);
#endif
  include_paths[include_path_count - 1] = path;
}

static void
adjust_addresses (bfd *abfd ATTRIBUTE_UNUSED, asection *section, void *dummy ATTRIBUTE_UNUSED)
{
  section->vma += adjust_section_vma;
  section->lma += adjust_section_vma;
}

/* Dump selected contents of ABFD.  */

static void
dump_bfd (bfd *abfd)
{
  /* If we are adjusting section VMA's, change them all now.  Changing
     the BFD information is a hack.  However, we must do it, or
     bfd_find_nearest_line will not do the right thing.  */
  if (adjust_section_vma != 0)
    bfd_map_over_sections (abfd, adjust_addresses, NULL);

  if (! dump_debugging_tags)
    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);
  if (! dump_debugging_tags)
    putchar ('\n');
  if (dump_section_headers)
    dump_headers (abfd);

  if (dump_symtab || dump_reloc_info || disassemble || dump_debugging)
    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 && ! disassemble)
    dump_dynamic_relocs (abfd);
  if (dump_section_contents)
    dump_data (abfd);
  if (disassemble)
    disassemble_data (abfd);

  if (dump_debugging)
    {
      void *dhandle;

      dhandle = read_debugging_info (abfd, syms, symcount);
      if (dhandle != NULL)
        {
          if (! print_debugging_info (stdout, dhandle, abfd, syms, demangle,
              dump_debugging_tags ? TRUE : FALSE))
            {
              non_fatal (_("%s: printing debugging information failed"),
                         bfd_get_filename (abfd));
              exit_status = 1;
            }
        }
    }

  if (syms)
    {
      free (syms);
      syms = NULL;
    }

  if (dynsyms)
    {
      free (dynsyms);
      dynsyms = NULL;
    }
}

static void
display_bfd (bfd *abfd)
{
  char **matching;

  if (bfd_check_format_matches (abfd, bfd_object, &matching))
    {
      dump_bfd (abfd);
      return;
    }

  if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
    {
      nonfatal (bfd_get_filename (abfd));
      list_matching_formats (matching);
      free (matching);
      return;
    }

  if (bfd_get_error () != bfd_error_file_not_recognized)
    {
      nonfatal (bfd_get_filename (abfd));
      return;
    }

  if (bfd_check_format_matches (abfd, bfd_core, &matching))
    {
      dump_bfd (abfd);
      return;
    }

  nonfatal (bfd_get_filename (abfd));

  if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
    {
      list_matching_formats (matching);
      free (matching);
    }
}

static void
display_file (char *filename, char *target)
{
  bfd *file, *arfile = NULL;

  file = bfd_openr (filename, target);
  if (file == NULL)
    {
      nonfatal (filename);
      return;
    }

  /* If the file is an archive, process all of its elements.  */
  if (bfd_check_format (file, bfd_archive))
    {
      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)
                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);
}
\f
int
main (int argc, char **argv)
{
  int c;
  char *target = default_target;
  bfd_boolean seenflag = FALSE;

#if defined (HAVE_SETLOCALE)
#if defined (HAVE_LC_MESSAGES)
  setlocale (LC_MESSAGES, "");
#endif
  setlocale (LC_CTYPE, "");
#endif

  bindtextdomain (PACKAGE, LOCALEDIR);
  textdomain (PACKAGE);

  program_name = *argv;
  xmalloc_set_program_name (program_name);

  START_PROGRESS (program_name, 0);

  bfd_init ();
  set_default_bfd_target ();

  while ((c = getopt_long (argc, argv, "pib:m:M:VvCdDlfaHhrRtTxsSI:j:wE:zgeG",
                           long_options, (int *) 0))
         != EOF)
    {
      switch (c)
        {
        case 0:
          break;                /* We've been given a long option.  */
        case 'm':
          machine = optarg;
          break;
        case 'M':
          if (disassembler_options)
            /* Ignore potential memory leak for now.  */
            disassembler_options = concat (disassembler_options, ",",
                                           optarg, NULL);
          else
            disassembler_options = optarg;
          break;
        case 'j':
          if (only_used == only_size)
            {
              only_size += 8;
              only = xrealloc (only, only_size * sizeof (char *));
            }
          only [only_used++] = optarg;
          break;
        case 'l':
          with_line_numbers = TRUE;
          break;
        case 'b':
          target = optarg;
          break;
        case 'C':
          do_demangle = TRUE;
          if (optarg != NULL)
            {
              enum demangling_styles style;

              style = cplus_demangle_name_to_style (optarg);
              if (style == unknown_demangling)
                fatal (_("unknown demangling style `%s'"),
                       optarg);

              cplus_demangle_set_style (style);
            }
          break;
        case 'w':
          wide_output = TRUE;
          break;
        case OPTION_ADJUST_VMA:
          adjust_section_vma = parse_vma (optarg, "--adjust-vma");
          break;
        case OPTION_START_ADDRESS:
          start_address = parse_vma (optarg, "--start-address");
          break;
        case OPTION_STOP_ADDRESS:
          stop_address = parse_vma (optarg, "--stop-address");
          break;
        case 'E':
          if (strcmp (optarg, "B") == 0)
            endian = BFD_ENDIAN_BIG;
          else if (strcmp (optarg, "L") == 0)
            endian = BFD_ENDIAN_LITTLE;
          else
            {
              non_fatal (_("unrecognized -E option"));
              usage (stderr, 1);
            }
          break;
        case OPTION_ENDIAN:
          if (strncmp (optarg, "big", strlen (optarg)) == 0)
            endian = BFD_ENDIAN_BIG;
          else if (strncmp (optarg, "little", strlen (optarg)) == 0)
            endian = BFD_ENDIAN_LITTLE;
          else
            {
              non_fatal (_("unrecognized --endian type `%s'"), optarg);
              usage (stderr, 1);
            }
          break;

        case 'f':
          dump_file_header = TRUE;
          seenflag = TRUE;
          break;
        case 'i':
          formats_info = TRUE;
          seenflag = TRUE;
          break;
        case 'I':
          add_include_path (optarg);
          break;
        case 'p':
          dump_private_headers = TRUE;
          seenflag = TRUE;
          break;
        case 'x':
          dump_private_headers = TRUE;
          dump_symtab = TRUE;
          dump_reloc_info = TRUE;
          dump_file_header = TRUE;
          dump_ar_hdrs = TRUE;
          dump_section_headers = TRUE;
          seenflag = TRUE;
          break;
        case 't':
          dump_symtab = TRUE;
          seenflag = TRUE;
          break;
        case 'T':
          dump_dynamic_symtab = TRUE;
          seenflag = TRUE;
          break;
        case 'd':
          disassemble = TRUE;
          seenflag = TRUE;
          break;
        case 'z':
          disassemble_zeroes = TRUE;
          break;
        case 'D':
          disassemble = TRUE;
          disassemble_all = TRUE;
          seenflag = TRUE;
          break;
        case 'S':
          disassemble = TRUE;
          with_source_code = TRUE;
          seenflag = TRUE;
          break;
        case 'g':
          dump_debugging = 1;
          seenflag = TRUE;
          break;
        case 'e':
          dump_debugging = 1;
          dump_debugging_tags = 1;
          do_demangle = TRUE;
          seenflag = TRUE;
          break;
        case 'G':
          dump_stab_section_info = TRUE;
          seenflag = TRUE;
          break;
        case 's':
          dump_section_contents = TRUE;
          seenflag = TRUE;
          break;
        case 'r':
          dump_reloc_info = TRUE;
          seenflag = TRUE;
          break;
        case 'R':
          dump_dynamic_reloc_info = TRUE;
          seenflag = TRUE;
          break;
        case 'a':
          dump_ar_hdrs = TRUE;
          seenflag = TRUE;
          break;
        case 'h':
          dump_section_headers = TRUE;
          seenflag = TRUE;
          break;
        case 'H':
          usage (stdout, 0);
          seenflag = TRUE;
        case 'v':
        case 'V':
          show_version = TRUE;
          seenflag = TRUE;
          break;

        default:
          usage (stderr, 1);
        }
    }

  if (show_version)
    print_version ("objdump");

  if (!seenflag)
    usage (stderr, 2);

  if (formats_info)
    exit_status = 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 exit_status;
}