/* objdump.c -- dump information about an object file.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
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)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
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. */
-
+ Foundation, 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, 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 determined
+ by bfd_check_format(). If they are recognised, then dump_bfd() is
+ called.
+
+ 4. dump_bfd() in turn calls separate functions to display the requested
+ item(s) of information(s). For example disassemble_data() is called if
+ a disassembly has been requested.
+
+ When disassembling the code loops through blocks of instructions bounded
+ by symbols, calling disassemble_bytes() on each block. The actual
+ disassembling is done by the libopcodes library, via a function pointer
+ supplied by the disassembler() function. */
+
+#include "sysdep.h"
#include "bfd.h"
-#include "bfdver.h"
+#include "elf-bfd.h"
#include "progress.h"
#include "bucomm.h"
-#include "budemang.h"
+#include "dwarf.h"
#include "getopt.h"
#include "safe-ctype.h"
#include "dis-asm.h"
#include "libiberty.h"
#include "demangle.h"
+#include "filenames.h"
#include "debug.h"
#include "budbg.h"
+#ifdef HAVE_MMAP
+#include <sys/mman.h>
+#endif
+
+#include <sys/stat.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
- PARAMS ((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 the
+ command line. */
static int show_version = 0; /* Show the version number. */
static int dump_section_contents; /* -s */
static int dump_section_headers; /* -h */
static int with_line_numbers; /* -l */
static bfd_boolean with_source_code; /* -S */
static int show_raw_insn; /* --show-raw-insn */
+static int dump_dwarf_section_info; /* --dwarf */
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 char **only; /* -j secname */
-static size_t only_size = 0;
-static size_t only_used = 0;
static int wide_output; /* -w */
+static int insn_width; /* --insn-width */
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 int dump_special_syms = 0; /* --special-syms */
static bfd_vma adjust_section_vma = 0; /* --adjust-vma */
static int file_start_context = 0; /* --file-start-context */
+static bfd_boolean display_file_offsets;/* -F */
+static const char *prefix; /* --prefix */
+static int prefix_strip; /* --prefix-strip */
+static size_t prefix_length;
+
+/* 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;
-/* Extra info to pass to the disassembler address printing function. */
+/* 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;
+ bfd * abfd;
+ asection * sec;
+ bfd_boolean require_sec;
+ arelent ** dynrelbuf;
+ long dynrelcount;
+ disassembler_ftype disassemble_fn;
+ arelent * reloc;
};
/* Architecture to disassemble for, or default if NULL. */
-static char *machine = (char *) NULL;
+static char *machine = NULL;
/* Target specific options to the disassembler. */
-static char *disassembler_options = (char *) NULL;
+static char *disassembler_options = NULL;
/* Endianness to disassemble for, or default if BFD_ENDIAN_UNKNOWN. */
static enum bfd_endian endian = BFD_ENDIAN_UNKNOWN;
/* The dynamic symbol table. */
static asymbol **dynsyms;
+/* The synthetic symbol table. */
+static asymbol *synthsyms;
+static long synthcount = 0;
+
/* Number of symbols in `dynsyms'. */
static long dynsymcount = 0;
static char *strtab;
static bfd_size_type stabstr_size;
-/* Static declarations. */
-
-static void usage
- PARAMS ((FILE *, int));
-static void nonfatal
- PARAMS ((const char *));
-static void display_file
- PARAMS ((char *, char *));
-static void dump_section_header
- PARAMS ((bfd *, asection *, PTR));
-static void dump_headers
- PARAMS ((bfd *));
-static void dump_data
- PARAMS ((bfd *));
-static void dump_relocs
- PARAMS ((bfd *));
-static void dump_dynamic_relocs
- PARAMS ((bfd *));
-static void dump_reloc_set
- PARAMS ((bfd *, asection *, arelent **, long));
-static void dump_symbols
- PARAMS ((bfd *, bfd_boolean));
-static void dump_bfd_header
- PARAMS ((bfd *));
-static void dump_bfd_private_header
- PARAMS ((bfd *));
-static void dump_bfd
- PARAMS ((bfd *));
-static void display_bfd
- PARAMS ((bfd *));
-static void objdump_print_value
- PARAMS ((bfd_vma, struct disassemble_info *, bfd_boolean));
-static void objdump_print_symname
- PARAMS ((bfd *, struct disassemble_info *, asymbol *));
-static asymbol *find_symbol_for_address
- PARAMS ((bfd *, asection *, bfd_vma, bfd_boolean, long *));
-static void objdump_print_addr_with_sym
- PARAMS ((bfd *, asection *, asymbol *, bfd_vma,
- struct disassemble_info *, bfd_boolean));
-static void objdump_print_addr
- PARAMS ((bfd_vma, struct disassemble_info *, bfd_boolean));
-static void objdump_print_address
- PARAMS ((bfd_vma, struct disassemble_info *));
-static int objdump_symbol_at_address
- PARAMS ((bfd_vma, struct disassemble_info *));
-static void show_line
- PARAMS ((bfd *, asection *, bfd_vma));
-static void disassemble_bytes
- PARAMS ((struct disassemble_info *, disassembler_ftype, bfd_boolean,
- bfd_byte *, bfd_vma, bfd_vma, arelent ***, arelent **));
-static void disassemble_data
- PARAMS ((bfd *));
-static asymbol ** slurp_symtab
- PARAMS ((bfd *));
-static asymbol ** slurp_dynamic_symtab
- PARAMS ((bfd *));
-static long remove_useless_symbols
- PARAMS ((asymbol **, long));
-static int compare_symbols
- PARAMS ((const PTR, const PTR));
-static int compare_relocs
- PARAMS ((const PTR, const PTR));
-static void dump_stabs
- PARAMS ((bfd *));
-static bfd_boolean read_section_stabs
- PARAMS ((bfd *, const char *, const char *));
-static void print_section_stabs
- PARAMS ((bfd *, const char *, const char *));
-static void dump_section_stabs
- PARAMS ((bfd *, char *, char *));
+static bfd_boolean is_relocatable = FALSE;
\f
static void
-usage (stream, status)
- FILE *stream;
- int status;
+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"));
-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\
+ -W[lLiaprmfFsoR] or\n\
+ --dwarf[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=str,=loc,=Ranges]\n\
+ Display DWARF 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\
+ @<file> Read options from <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\
-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\
+ -F, --file-offsets Include file offsets when displaying information\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\
--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\
+ --insn-width=WIDTH Display WIDTH bytes on a signle line for -d\n\
--adjust-vma=OFFSET Add OFFSET to all displayed section addresses\n\
+ --special-syms Include special symbols in symbol dumps\n\
+ --prefix=PREFIX Add PREFIX to absolute paths for -S\n\
+ --prefix-strip=LEVEL Strip initial directory names for -S\n\
\n"));
list_supported_targets (program_name, stream);
list_supported_architectures (program_name, stream);
disassembler_usage (stream);
}
- if (status == 0)
+ if (REPORT_BUGS_TO[0] && 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. */
-
-#define OPTION_ENDIAN (150)
-#define OPTION_START_ADDRESS (OPTION_ENDIAN + 1)
-#define OPTION_STOP_ADDRESS (OPTION_START_ADDRESS + 1)
-#define OPTION_ADJUST_VMA (OPTION_STOP_ADDRESS + 1)
+enum option_values
+ {
+ OPTION_ENDIAN=150,
+ OPTION_START_ADDRESS,
+ OPTION_STOP_ADDRESS,
+ OPTION_DWARF,
+ OPTION_PREFIX,
+ OPTION_PREFIX_STRIP,
+ OPTION_INSN_WIDTH,
+ OPTION_ADJUST_VMA
+ };
static struct option long_options[]=
{
{"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'},
{"dynamic-syms", no_argument, NULL, 'T'},
{"endian", required_argument, NULL, OPTION_ENDIAN},
{"file-headers", no_argument, NULL, 'f'},
+ {"file-offsets", no_argument, NULL, 'F'},
{"file-start-context", no_argument, &file_start_context, 1},
{"full-contents", no_argument, NULL, 's'},
{"headers", no_argument, NULL, 'h'},
{"section-headers", no_argument, NULL, 'h'},
{"show-raw-insn", no_argument, &show_raw_insn, 1},
{"source", no_argument, NULL, 'S'},
+ {"special-syms", no_argument, &dump_special_syms, 1},
+ {"include", required_argument, NULL, 'I'},
+ {"dwarf", optional_argument, NULL, OPTION_DWARF},
{"stabs", no_argument, NULL, 'G'},
{"start-address", required_argument, NULL, OPTION_START_ADDRESS},
{"stop-address", required_argument, NULL, OPTION_STOP_ADDRESS},
{"target", required_argument, NULL, 'b'},
{"version", no_argument, NULL, 'V'},
{"wide", no_argument, NULL, 'w'},
+ {"prefix", required_argument, NULL, OPTION_PREFIX},
+ {"prefix-strip", required_argument, NULL, OPTION_PREFIX_STRIP},
+ {"insn-width", required_argument, NULL, OPTION_INSN_WIDTH},
{0, no_argument, 0, 0}
};
\f
static void
-nonfatal (msg)
- const char *msg;
+nonfatal (const char *msg)
{
bfd_nonfatal (msg);
exit_status = 1;
}
\f
+/* 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;
+}
+\f
static void
-dump_section_header (abfd, section, ignored)
- bfd *abfd ATTRIBUTE_UNUSED;
- asection *section;
- PTR ignored ATTRIBUTE_UNUSED;
+dump_section_header (bfd *abfd, asection *section,
+ void *ignored ATTRIBUTE_UNUSED)
{
char *comma = "";
unsigned int opb = bfd_octets_per_byte (abfd);
+ /* Ignore linker created section. See elfNN_ia64_object_p in
+ bfd/elfxx-ia64.c. */
+ if (section->flags & SEC_LINKER_CREATED)
+ return;
+
+ /* PR 10413: Skip sections that we are ignoring. */
+ if (! process_section_p (section))
+ return;
+
printf ("%3d %-13s %08lx ", section->index,
bfd_get_section_name (abfd, section),
(unsigned long) bfd_section_size (abfd, section) / opb);
PF (SEC_NEVER_LOAD, "NEVER_LOAD");
PF (SEC_EXCLUDE, "EXCLUDE");
PF (SEC_SORT_ENTRIES, "SORT_ENTRIES");
- PF (SEC_BLOCK, "BLOCK");
- PF (SEC_CLINK, "CLINK");
+ if (bfd_get_arch (abfd) == bfd_arch_tic54x)
+ {
+ PF (SEC_TIC54X_BLOCK, "BLOCK");
+ PF (SEC_TIC54X_CLINK, "CLINK");
+ }
PF (SEC_SMALL_DATA, "SMALL_DATA");
- PF (SEC_SHARED, "SHARED");
- PF (SEC_ARCH_BIT_0, "ARCH_BIT_0");
+ if (bfd_get_flavour (abfd) == bfd_target_coff_flavour)
+ PF (SEC_COFF_SHARED, "SHARED");
PF (SEC_THREAD_LOCAL, "THREAD_LOCAL");
+ PF (SEC_GROUP, "GROUP");
if ((section->flags & SEC_LINK_ONCE) != 0)
{
const char *ls;
+ struct coff_comdat_info *comdat;
switch (section->flags & SEC_LINK_DUPLICATES)
{
}
printf ("%s%s", comma, ls);
- if (section->comdat != NULL)
- printf (" (COMDAT %s %ld)", section->comdat->name,
- section->comdat->symbol);
+ comdat = bfd_coff_get_comdat_section (abfd, section);
+ if (comdat != NULL)
+ printf (" (COMDAT %s %ld)", comdat->name, comdat->symbol);
comma = ", ";
}
}
static void
-dump_headers (abfd)
- bfd *abfd;
+dump_headers (bfd *abfd)
{
printf (_("Sections:\n"));
printf (_(" Pg"));
printf ("\n");
- bfd_map_over_sections (abfd, dump_section_header, (PTR) NULL);
+ bfd_map_over_sections (abfd, dump_section_header, NULL);
}
\f
static asymbol **
-slurp_symtab (abfd)
- bfd *abfd;
+slurp_symtab (bfd *abfd)
{
- asymbol **sy = (asymbol **) NULL;
+ asymbol **sy = NULL;
long storage;
if (!(bfd_get_file_flags (abfd) & HAS_SYMS))
/* Read in the dynamic symbols. */
static asymbol **
-slurp_dynamic_symtab (abfd)
- bfd *abfd;
+slurp_dynamic_symtab (bfd *abfd)
{
- asymbol **sy = (asymbol **) NULL;
+ asymbol **sy = NULL;
long storage;
storage = bfd_get_dynamic_symtab_upper_bound (abfd);
Return the number of useful symbols. */
static long
-remove_useless_symbols (symbols, count)
- asymbol **symbols;
- long count;
+remove_useless_symbols (asymbol **symbols, long count)
{
- register asymbol **in_ptr = symbols, **out_ptr = symbols;
+ asymbol **in_ptr = symbols, **out_ptr = symbols;
while (--count >= 0)
{
if (sym->name == NULL || sym->name[0] == '\0')
continue;
- if (sym->flags & (BSF_DEBUGGING))
+ if (sym->flags & (BSF_DEBUGGING | BSF_SECTION_SYM))
continue;
if (bfd_is_und_section (sym->section)
|| bfd_is_com_section (sym->section))
/* Sort symbols into value order. */
static int
-compare_symbols (ap, bp)
- const PTR ap;
- const PTR bp;
+compare_symbols (const void *ap, const void *bp)
{
- const asymbol *a = *(const asymbol **)ap;
- const asymbol *b = *(const asymbol **)bp;
- const char *an, *bn;
- size_t anl, bnl;
- bfd_boolean af, bf;
- flagword aflags, bflags;
+ 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;
/* Sort relocs into address order. */
static int
-compare_relocs (ap, bp)
- const PTR ap;
- const PTR bp;
+compare_relocs (const void *ap, const void *bp)
{
- const arelent *a = *(const arelent **)ap;
- const arelent *b = *(const arelent **)bp;
+ const arelent *a = * (const arelent **) ap;
+ const arelent *b = * (const arelent **) bp;
if (a->address > b->address)
return 1;
return 0;
}
-/* Print VMA to STREAM. If SKIP_ZEROES is TRUE, omit leading zeroes. */
+/* Print an address (VMA) to the output stream in INFO.
+ If SKIP_ZEROES is TRUE, omit leading zeroes. */
static void
-objdump_print_value (vma, info, skip_zeroes)
- bfd_vma vma;
- struct disassemble_info *info;
- bfd_boolean skip_zeroes;
+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;
+ struct objdump_disasm_info *aux;
+ aux = (struct objdump_disasm_info *) info->application_data;
bfd_sprintf_vma (aux->abfd, buf, vma);
if (! skip_zeroes)
p = buf;
/* Print the name of a symbol. */
static void
-objdump_print_symname (abfd, info, sym)
- bfd *abfd;
- struct disassemble_info *info;
- asymbol *sym;
+objdump_print_symname (bfd *abfd, struct disassemble_info *info,
+ asymbol *sym)
{
char *alloc;
const char *name;
if (do_demangle && name[0] != '\0')
{
/* Demangle the name. */
- alloc = demangle (abfd, name);
- name = alloc;
+ alloc = bfd_demangle (abfd, name, DMGL_ANSI | DMGL_PARAMS);
+ if (alloc != NULL)
+ name = alloc;
}
if (info != 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. */
+/* Locate a symbol given a bfd and a section (from INFO->application_data),
+ and a VMA. If INFO->application_data->require_sec is TRUE, then always
+ require the symbol to be in the section. 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 (abfd, sec, vma, require_sec, place)
- bfd *abfd;
- asection *sec;
- bfd_vma vma;
- bfd_boolean require_sec;
- long *place;
+find_symbol_for_address (bfd_vma vma,
+ struct disassemble_info *info,
+ 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
long min = 0;
long max = sorted_symcount;
long thisplace;
- unsigned int opb = bfd_octets_per_byte (abfd);
+ struct objdump_disasm_info *aux;
+ bfd *abfd;
+ asection *sec;
+ unsigned int opb;
+ bfd_boolean want_section;
if (sorted_symcount < 1)
return NULL;
+ aux = (struct objdump_disasm_info *) info->application_data;
+ abfd = aux->abfd;
+ sec = aux->sec;
+ opb = info->octets_per_byte;
+
/* Perform a binary search looking for the closest symbol to the
required value. We are searching the range (min, max]. */
while (min + 1 < max)
== bfd_asymbol_value (sorted_syms[thisplace - 1])))
--thisplace;
+ /* Prefer a symbol in the current section if we have multple symbols
+ with the same value, as can occur with overlays or zero size
+ sections. */
+ min = thisplace;
+ while (min < max
+ && (bfd_asymbol_value (sorted_syms[min])
+ == bfd_asymbol_value (sorted_syms[thisplace])))
+ {
+ if (sorted_syms[min]->section == sec
+ && info->symbol_is_valid (sorted_syms[min], info))
+ {
+ thisplace = min;
+
+ if (place != NULL)
+ *place = thisplace;
+
+ return sorted_syms[thisplace];
+ }
+ ++min;
+ }
+
/* 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))))
+ table.
+
+ Also give the target a chance to reject symbols. */
+ want_section = (aux->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)));
+ if ((sorted_syms[thisplace]->section != sec && want_section)
+ || !info->symbol_is_valid (sorted_syms[thisplace], info))
{
long i;
+ long newplace = sorted_symcount;
- for (i = thisplace + 1; i < sorted_symcount; i++)
+ for (i = min - 1; i >= 0; i--)
{
- if (bfd_asymbol_value (sorted_syms[i])
- != bfd_asymbol_value (sorted_syms[thisplace]))
- break;
- }
+ if ((sorted_syms[i]->section == sec || !want_section)
+ && info->symbol_is_valid (sorted_syms[i], info))
+ {
+ if (newplace == sorted_symcount)
+ newplace = i;
- --i;
+ if (bfd_asymbol_value (sorted_syms[i])
+ != bfd_asymbol_value (sorted_syms[newplace]))
+ break;
- 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;
+ /* Remember this symbol and keep searching until we reach
+ an earlier address. */
+ newplace = i;
}
}
- if (sorted_syms[thisplace]->section != sec)
+ if (newplace != sorted_symcount)
+ thisplace = newplace;
+ else
{
/* 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)
+ if ((sorted_syms[i]->section == sec || !want_section)
+ && info->symbol_is_valid (sorted_syms[i], info))
{
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 ((sorted_syms[thisplace]->section != sec && want_section)
+ || !info->symbol_is_valid (sorted_syms[thisplace], info))
+ /* There is no suitable symbol. */
+ return NULL;
}
if (place != NULL)
return sorted_syms[thisplace];
}
-/* Print an address to INFO symbolically. */
+/* Print an address and the offset to the nearest symbol. */
static void
-objdump_print_addr_with_sym (abfd, sec, sym, vma, info, skip_zeroes)
- bfd *abfd;
- asection *sec;
- asymbol *sym;
- bfd_vma vma;
- struct disassemble_info *info;
- bfd_boolean skip_zeroes;
+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);
}
(*info->fprintf_func) (info->stream, ">");
}
+
+ if (display_file_offsets)
+ info->fprintf_func (info->stream, _(" (File Offset: 0x%lx)"),
+ (long int)(sec->filepos + (vma - sec->vma)));
}
-/* Print VMA to INFO, symbolically if possible. If SKIP_ZEROES is
- TRUE, don't output leading zeroes. */
+/* Print an address (VMA), symbolically if possible.
+ If SKIP_ZEROES is TRUE, don't output leading zeroes. */
static void
-objdump_print_addr (vma, info, skip_zeroes)
- bfd_vma vma;
- struct disassemble_info *info;
- bfd_boolean skip_zeroes;
+objdump_print_addr (bfd_vma vma,
+ struct disassemble_info *info,
+ bfd_boolean skip_zeroes)
{
struct objdump_disasm_info *aux;
- asymbol *sym;
+ asymbol *sym = NULL;
+ bfd_boolean skip_find = FALSE;
+
+ aux = (struct objdump_disasm_info *) info->application_data;
if (sorted_symcount < 1)
{
(*info->fprintf_func) (info->stream, "0x");
objdump_print_value (vma, info, skip_zeroes);
+
+ if (display_file_offsets)
+ info->fprintf_func (info->stream, _(" (File Offset: 0x%lx)"),
+ (long int)(aux->sec->filepos + (vma - aux->sec->vma)));
return;
}
- aux = (struct objdump_disasm_info *) info->application_data;
- sym = find_symbol_for_address (aux->abfd, aux->sec, vma, aux->require_sec,
- (long *) NULL);
+ if (aux->reloc != NULL
+ && aux->reloc->sym_ptr_ptr != NULL
+ && * aux->reloc->sym_ptr_ptr != NULL)
+ {
+ sym = * aux->reloc->sym_ptr_ptr;
+
+ /* Adjust the vma to the reloc. */
+ vma += bfd_asymbol_value (sym);
+
+ if (bfd_is_und_section (bfd_get_section (sym)))
+ skip_find = TRUE;
+ }
+
+ if (!skip_find)
+ sym = find_symbol_for_address (vma, info, NULL);
+
objdump_print_addr_with_sym (aux->abfd, aux->sec, sym, vma, info,
skip_zeroes);
}
routine. */
static void
-objdump_print_address (vma, info)
- bfd_vma vma;
- struct disassemble_info *info;
+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. */
+/* Determine if the given address has a symbol associated with it. */
static int
-objdump_symbol_at_address (vma, info)
- bfd_vma vma;
- struct disassemble_info * info;
+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,
- (long *) NULL);
+ sym = find_symbol_for_address (vma, info, NULL);
return (sym != NULL && (bfd_asymbol_value (sym) == vma));
}
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
+ disassembly 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;
+ const char *filename;
+ const char *modname;
+ const char *map;
+ size_t mapsize;
+ const char **linemap;
+ unsigned maxline;
+ unsigned last_line;
+ int first;
};
static struct print_file_list *print_files;
#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, bfd_boolean));
+/* Read a complete file into memory. */
-static void
-skip_to_line (p, line, show)
- struct print_file_list *p;
- unsigned int line;
- bfd_boolean show;
+static const char *
+slurp_file (const char *fn, size_t *size)
{
- while (p->line < line)
+#ifdef HAVE_MMAP
+ int ps = getpagesize ();
+ size_t msize;
+#endif
+ const char *map;
+ struct stat st;
+ int fd = open (fn, O_RDONLY | O_BINARY);
+
+ if (fd < 0)
+ return NULL;
+ if (fstat (fd, &st) < 0)
+ return NULL;
+ *size = st.st_size;
+#ifdef HAVE_MMAP
+ msize = (*size + ps - 1) & ~(ps - 1);
+ map = mmap (NULL, msize, PROT_READ, MAP_SHARED, fd, 0);
+ if (map != (char *)-1L)
{
- char buf[100];
+ close(fd);
+ return map;
+ }
+#endif
+ map = (const char *) malloc (*size);
+ if (!map || (size_t) read (fd, (char *)map, *size) != *size)
+ {
+ free ((void *)map);
+ map = NULL;
+ }
+ close (fd);
+ return map;
+}
- if (fgets (buf, sizeof buf, p->f) == NULL)
- {
- fclose (p->f);
- p->f = NULL;
- break;
+#define line_map_decrease 5
+
+/* Precompute array of lines for a mapped file. */
+
+static const char **
+index_file (const char *map, size_t size, unsigned int *maxline)
+{
+ const char *p, *lstart, *end;
+ int chars_per_line = 45; /* First iteration will use 40. */
+ unsigned int lineno;
+ const char **linemap = NULL;
+ unsigned long line_map_size = 0;
+
+ lineno = 0;
+ lstart = map;
+ end = map + size;
+
+ for (p = map; p < end; p++)
+ {
+ if (*p == '\n')
+ {
+ if (p + 1 < end && p[1] == '\r')
+ p++;
+ }
+ else if (*p == '\r')
+ {
+ if (p + 1 < end && p[1] == '\n')
+ p++;
}
+ else
+ continue;
+
+ /* End of line found. */
+
+ if (linemap == NULL || line_map_size < lineno + 1)
+ {
+ unsigned long newsize;
+
+ chars_per_line -= line_map_decrease;
+ if (chars_per_line <= 1)
+ chars_per_line = 1;
+ line_map_size = size / chars_per_line + 1;
+ if (line_map_size < lineno + 1)
+ line_map_size = lineno + 1;
+ newsize = line_map_size * sizeof (char *);
+ linemap = (const char **) xrealloc (linemap, newsize);
+ }
+
+ linemap[lineno++] = lstart;
+ lstart = p + 1;
+ }
+
+ *maxline = lineno;
+ return linemap;
+}
+
+/* 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;
+
+ p = (struct print_file_list *) xmalloc (sizeof (struct print_file_list));
+
+ p->map = slurp_file (modname, &p->mapsize);
+ if (p->map == NULL)
+ {
+ free (p);
+ return NULL;
+ }
+
+ p->linemap = index_file (p->map, p->mapsize, &p->maxline);
+ p->last_line = 0;
+ p->filename = origname;
+ p->modname = modname;
+ p->next = print_files;
+ p->first = 1;
+ 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;
+}
+
+/* Print a source file line. */
+
+static void
+print_line (struct print_file_list *p, unsigned int line)
+{
+ const char *l;
+ size_t len;
+
+ --line;
+ if (line >= p->maxline)
+ return;
+ l = p->linemap [line];
+ /* Test fwrite return value to quiet glibc warning. */
+ len = strcspn (l, "\n\r");
+ if (len == 0 || fwrite (l, len, 1, stdout) == 1)
+ putchar ('\n');
+}
- if (show)
- printf ("%s", buf);
+/* Print a range of source code lines. */
- if (strchr (buf, '\n') != NULL)
- ++p->line;
+static void
+dump_lines (struct print_file_list *p, unsigned int start, unsigned int end)
+{
+ if (p->map == NULL)
+ return;
+ while (start <= end)
+ {
+ print_line (p, start);
+ start++;
}
}
-/* Show the line number, or the source line, in a dissassembly
+/* Show the line number, or the source line, in a disassembly
listing. */
static void
-show_line (abfd, section, addr_offset)
- bfd *abfd;
- asection *section;
- bfd_vma addr_offset;
+show_line (bfd *abfd, asection *section, bfd_vma addr_offset)
{
const char *filename;
const char *functionname;
unsigned int line;
+ bfd_boolean reloc;
if (! with_line_numbers && ! with_source_code)
return;
if (functionname != NULL && *functionname == '\0')
functionname = NULL;
+ if (filename
+ && IS_ABSOLUTE_PATH (filename)
+ && prefix)
+ {
+ char *path_up;
+ const char *fname = filename;
+ char *path = (char *) alloca (prefix_length + PATH_MAX + 1);
+
+ if (prefix_length)
+ memcpy (path, prefix, prefix_length);
+ path_up = path + prefix_length;
+
+ /* Build relocated filename, stripping off leading directories
+ from the initial filename if requested. */
+ if (prefix_strip > 0)
+ {
+ int level = 0;
+ const char *s;
+
+ /* Skip selected directory levels. */
+ for (s = fname + 1; *s != '\0' && level < prefix_strip; s++)
+ if (IS_DIR_SEPARATOR(*s))
+ {
+ fname = s;
+ level++;
+ }
+ }
+
+ /* Update complete filename. */
+ strncpy (path_up, fname, PATH_MAX);
+ path_up[PATH_MAX] = '\0';
+
+ filename = path;
+ reloc = TRUE;
+ }
+ else
+ reloc = FALSE;
+
if (with_line_numbers)
{
if (functionname != NULL
&& line > 0)
{
struct print_file_list **pp, *p;
+ unsigned l;
for (pp = &print_files; *pp != NULL; pp = &(*pp)->next)
if (strcmp ((*pp)->filename, filename) == 0)
break;
p = *pp;
- if (p != NULL)
+ 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->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;
- }
+ if (reloc)
+ filename = xstrdup (filename);
+ p = update_source_path (filename);
}
- else
- {
- FILE *f;
- f = fopen (filename, "r");
- if (f != NULL)
+ if (p != NULL && line != p->last_line)
+ {
+ if (file_start_context && p->first)
+ l = 1;
+ else
{
- 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;
-
- 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);
+ l = line - SHOW_PRECEDING_CONTEXT_LINES;
+ if (l >= line)
+ l = 1;
+ if (p->last_line >= l && p->last_line <= line)
+ l = p->last_line + 1;
}
+ dump_lines (p, l, line);
+ p->last_line = line;
+ p->first = 0;
}
}
{
if (prev_functionname != NULL)
free (prev_functionname);
- prev_functionname = xmalloc (strlen (functionname) + 1);
+ prev_functionname = (char *) xmalloc (strlen (functionname) + 1);
strcpy (prev_functionname, functionname);
}
typedef struct
{
char *buffer;
- size_t size;
- char *current;
+ size_t pos;
+ size_t alloc;
} SFILE;
-/* sprintf to a "stream" */
+/* sprintf to a "stream". */
-static int
-objdump_sprintf VPARAMS ((SFILE *f, const char *format, ...))
+static int ATTRIBUTE_PRINTF_2
+objdump_sprintf (SFILE *f, const char *format, ...)
{
- char *buf;
size_t n;
+ va_list args;
- VA_OPEN (args, format);
- VA_FIXEDARG (args, SFILE *, f);
- VA_FIXEDARG (args, const char *, format);
-
- vasprintf (&buf, format, args);
-
- if (buf == NULL)
+ while (1)
{
+ size_t space = f->alloc - f->pos;
+
+ va_start (args, format);
+ n = vsnprintf (f->buffer + f->pos, space, format, args);
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;
+ if (space > n)
+ break;
+
+ f->alloc = (f->alloc + n) * 2;
+ f->buffer = (char *) xrealloc (f->buffer, f->alloc);
}
-
- memcpy (f->current, buf, n);
- f->current += n;
- f->current[0] = '\0';
-
- free (buf);
-
- VA_CLOSE (args);
+ f->pos += n;
+
return n;
}
/* 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
+#define DEFAULT_SKIP_ZEROES 8
/* 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
attempt to avoid disassembling zeroes inserted by section
alignment. */
-#ifndef SKIP_ZEROES_AT_END
-#define SKIP_ZEROES_AT_END (3)
-#endif
+#define DEFAULT_SKIP_ZEROES_AT_END 3
/* Disassemble some data in memory between given values. */
static void
-disassemble_bytes (info, disassemble_fn, insns, data,
- start_offset, stop_offset, relppp,
- relppend)
- struct disassemble_info *info;
- disassembler_ftype disassemble_fn;
- bfd_boolean insns;
- bfd_byte *data;
- bfd_vma start_offset;
- bfd_vma stop_offset;
- arelent ***relppp;
- arelent **relppend;
+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;
bfd_boolean done_dot;
int skip_addr_chars;
bfd_vma addr_offset;
- int opb = info->octets_per_byte;
+ unsigned int opb = info->octets_per_byte;
+ unsigned int skip_zeroes = info->skip_zeroes;
+ unsigned int skip_zeroes_at_end = info->skip_zeroes_at_end;
+ int octets = opb;
+ SFILE sfile;
aux = (struct objdump_disasm_info *) info->application_data;
section = aux->sec;
- if (insns)
+ sfile.alloc = 120;
+ sfile.buffer = (char *) xmalloc (sfile.alloc);
+ sfile.pos = 0;
+
+ if (insn_width)
+ octets_per_line = insn_width;
+ else if (insns)
octets_per_line = 4;
else
octets_per_line = 16;
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;
- }
+
+ bfd_sprintf_vma (aux->abfd, buf, section->vma + section->size / opb);
+
+ while (buf[skip_addr_chars] == '0')
+ ++skip_addr_chars;
+
+ /* Don't discard zeros on overflow. */
+ if (buf[skip_addr_chars] == '\0' && section->vma != 0)
+ skip_addr_chars = 0;
+
+ if (skip_addr_chars != 0)
+ skip_addr_chars = (skip_addr_chars - 1) & -4;
}
info->insn_info_valid = 0;
while (addr_offset < stop_offset)
{
bfd_vma z;
- int octets = 0;
bfd_boolean need_nl = FALSE;
+ int previous_octets;
+
+ /* Remember the length of the previous instruction. */
+ previous_octets = octets;
+ octets = 0;
/* If we see more than SKIP_ZEROES octets of zeroes, we just
- print `...'. */
+ 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 - addr_offset * opb >= skip_zeroes
|| (z == stop_offset * opb &&
- z - addr_offset * opb < SKIP_ZEROES_AT_END)))
+ 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. */
+ 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;
+
+ /* If we are going to display more data, and we are displaying
+ file offsets, then tell the user how many zeroes we skip
+ and the file offset from where we resume dumping. */
+ if (display_file_offsets && ((addr_offset + (octets / opb)) < stop_offset))
+ printf ("\t... (skipping %d zeroes, resuming at file offset: 0x%lx)\n",
+ octets / opb,
+ (unsigned long) (section->filepos
+ + (addr_offset + (octets / opb))));
+ else
+ printf ("\t...\n");
}
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);
+ show_line (aux->abfd, section, addr_offset);
if (! prefix_addresses)
{
if (insns)
{
- sfile.size = 120;
- sfile.buffer = xmalloc (sfile.size);
- sfile.current = sfile.buffer;
+ sfile.pos = 0;
info->fprintf_func = (fprintf_ftype) objdump_sprintf;
- info->stream = (FILE *) &sfile;
+ info->stream = &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 >= addr_offset
- && (**relppp)->address <= addr_offset + octets / opb)
- info->flags = INSN_HAS_RELOC;
- else
-#endif
- info->flags = 0;
+ info->flags = disassemble_all ? DISASSEMBLE_DATA : 0;
+ if (machine)
+ info->flags |= USER_SPECIFIED_MACHINE_TYPE;
+
+ if (info->disassembler_needs_relocs
+ && (bfd_get_file_flags (aux->abfd) & EXEC_P) == 0
+ && (bfd_get_file_flags (aux->abfd) & DYNAMIC) == 0
+ && *relppp < relppend)
+ {
+ bfd_signed_vma distance_to_rel;
+
+ distance_to_rel = (**relppp)->address
+ - (rel_offset + addr_offset);
+
+ /* Check to see if the current reloc is associated with
+ the instruction that we are about to disassemble. */
+ if (distance_to_rel == 0
+ /* FIXME: This is wrong. We are trying to catch
+ relocs that are addressed part way through the
+ current instruction, as might happen with a packed
+ VLIW instruction. Unfortunately we do not know the
+ length of the current instruction since we have not
+ disassembled it yet. Instead we take a guess based
+ upon the length of the previous instruction. The
+ proper solution is to have a new target-specific
+ disassembler function which just returns the length
+ of an instruction at a given address without trying
+ to display its disassembly. */
+ || (distance_to_rel > 0
+ && distance_to_rel < (bfd_signed_vma) (previous_octets/ opb)))
+ {
+ info->flags |= INSN_HAS_RELOC;
+ aux->reloc = **relppp;
+ }
+ else
+ aux->reloc = NULL;
+ }
octets = (*disassemble_fn) (section->vma + addr_offset, info);
info->fprintf_func = (fprintf_ftype) fprintf;
info->stream = stdout;
- if (info->bytes_per_line != 0)
+ if (insn_width == 0 && info->bytes_per_line != 0)
octets_per_line = info->bytes_per_line;
if (octets < 0)
{
- if (sfile.current != sfile.buffer)
+ if (sfile.pos)
printf ("%s\n", sfile.buffer);
- free (sfile.buffer);
break;
}
}
bfd_vma j;
/* If ! prefix_addresses and ! wide_output, we print
- octets_per_line octets per line. */
+ octets_per_line octets per line. */
pb = octets;
if (pb > octets_per_line && ! prefix_addresses && ! wide_output)
pb = octets_per_line;
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--)
if (! insns)
printf ("%s", buf);
- else
- {
- printf ("%s", sfile.buffer);
- free (sfile.buffer);
- }
+ else if (sfile.pos)
+ printf ("%s", sfile.buffer);
if (prefix_addresses
? show_raw_insn > 0
need_nl = TRUE;
}
- if ((section->flags & SEC_RELOC) != 0
-#ifndef DISASSEMBLER_NEEDS_RELOCS
- && dump_reloc_info
-#endif
- )
+ while ((*relppp) < relppend
+ && (**relppp)->address < rel_offset + addr_offset + octets / opb)
{
- while ((*relppp) < relppend
- && ((**relppp)->address >= (bfd_vma) addr_offset
- && (**relppp)->address < (bfd_vma) addr_offset + octets / opb))
-#ifdef DISASSEMBLER_NEEDS_RELOCS
- if (! dump_reloc_info)
- ++(*relppp);
- else
-#endif
+ if (dump_reloc_info || dump_dynamic_reloc_info)
{
arelent *q;
else
printf ("\t\t\t");
- objdump_print_value (section->vma + q->address, info, TRUE);
+ objdump_print_value (section->vma - rel_offset + q->address,
+ info, TRUE);
- printf (": %s\t", q->howto->name);
+ if (q->howto == NULL)
+ printf (": *unknown*\t");
+ else if (q->howto->name)
+ printf (": %s\t", q->howto->name);
+ else
+ printf (": %d\t", q->howto->type);
if (q->sym_ptr_ptr == NULL || *q->sym_ptr_ptr == NULL)
printf ("*unknown*");
printf ("\n");
need_nl = FALSE;
- ++(*relppp);
}
+ ++(*relppp);
}
if (need_nl)
addr_offset += octets / opb;
}
-}
-/* Disassemble the contents of an object file. */
+ free (sfile.buffer);
+}
static void
-disassemble_data (abfd)
- bfd *abfd;
+disassemble_section (bfd *abfd, asection *section, void *info)
{
- unsigned long addr_offset;
- disassembler_ftype disassemble_fn;
- struct disassemble_info disasm_info;
- struct objdump_disasm_info aux;
- asection *section;
- unsigned int opb;
+ const struct elf_backend_data * bed;
+ bfd_vma sign_adjust = 0;
+ struct disassemble_info * pinfo = (struct disassemble_info *) info;
+ struct objdump_disasm_info * paux;
+ 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 | SEC_HAS_CONTENTS))
+ != (SEC_CODE | SEC_HAS_CONTENTS)))
+ return;
- print_files = NULL;
- prev_functionname = NULL;
- prev_line = -1;
+ if (! process_section_p (section))
+ return;
- /* 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 *));
+ datasize = bfd_get_section_size (section);
+ if (datasize == 0)
+ return;
- sorted_symcount = remove_useless_symbols (sorted_syms, symcount);
+ /* Decide which set of relocs to use. Load them if necessary. */
+ paux = (struct objdump_disasm_info *) pinfo->application_data;
+ 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 corresponding
+ to the start of this section. */
+ rel_offset = section->vma;
+ }
+ else
+ {
+ rel_count = 0;
+ rel_pp = NULL;
+ rel_offset = 0;
- /* Sort the symbols into section and symbol order. */
- qsort (sorted_syms, sorted_symcount, sizeof (asymbol *), compare_symbols);
+ if ((section->flags & SEC_RELOC) != 0
+ && (dump_reloc_info || pinfo->disassembler_needs_relocs))
+ {
+ long relsize;
- INIT_DISASSEMBLE_INFO (disasm_info, stdout, fprintf);
+ relsize = bfd_get_reloc_upper_bound (abfd, section);
+ if (relsize < 0)
+ bfd_fatal (bfd_get_filename (abfd));
- disasm_info.application_data = (PTR) &aux;
- aux.abfd = abfd;
- aux.require_sec = FALSE;
- disasm_info.print_address_func = objdump_print_address;
- disasm_info.symbol_at_address_func = objdump_symbol_at_address;
+ if (relsize > 0)
+ {
+ rel_ppstart = rel_pp = (arelent **) xmalloc (relsize);
+ rel_count = bfd_canonicalize_reloc (abfd, section, rel_pp, syms);
+ if (rel_count < 0)
+ bfd_fatal (bfd_get_filename (abfd));
- if (machine != (char *) NULL)
- {
- const bfd_arch_info_type *info = bfd_scan_arch (machine);
+ /* Sort the relocs by address. */
+ qsort (rel_pp, rel_count, sizeof (arelent *), compare_relocs);
+ }
+ }
+ }
+ rel_ppend = rel_pp + rel_count;
- if (info == NULL)
- fatal (_("Can't use supplied machine %s"), machine);
+ data = (bfd_byte *) xmalloc (datasize);
- abfd->arch_info = info;
- }
+ bfd_get_section_contents (abfd, section, data, 0, datasize);
- if (endian != BFD_ENDIAN_UNKNOWN)
- {
- struct bfd_target *xvec;
+ paux->sec = section;
+ pinfo->buffer = data;
+ pinfo->buffer_vma = section->vma;
+ pinfo->buffer_length = datasize;
+ pinfo->section = section;
- xvec = (struct bfd_target *) xmalloc (sizeof (struct bfd_target));
- memcpy (xvec, abfd->xvec, sizeof (struct bfd_target));
- xvec->byteorder = endian;
- abfd->xvec = xvec;
+ 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;
+
+ if (addr_offset < stop_offset)
+ printf (_("\nDisassembly of section %s:\n"), section->name);
+
+ /* Find the nearest symbol forwards from our current position. */
+ paux->require_sec = TRUE;
+ sym = (asymbol *) find_symbol_for_address (section->vma + addr_offset,
+ (struct disassemble_info *) info,
+ &place);
+ paux->require_sec = FALSE;
+
+ /* PR 9774: If the target used signed addresses then we must make
+ sure that we sign extend the value that we calculate for 'addr'
+ in the loop below. */
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour
+ && (bed = get_elf_backend_data (abfd)) != NULL
+ && bed->sign_extend_vma)
+ sign_adjust = (bfd_vma) 1 << (bed->s->arch_size - 1);
+
+ /* 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)
+ {
+ bfd_vma addr;
+ asymbol *nextsym;
+ unsigned long nextstop_offset;
+ bfd_boolean insns;
+
+ addr = section->vma + addr_offset;
+ addr = ((addr & ((sign_adjust << 1) - 1)) ^ sign_adjust) - sign_adjust;
+
+ if (sym != NULL && bfd_asymbol_value (sym) <= addr)
+ {
+ int x;
+
+ for (x = place;
+ (x < sorted_symcount
+ && (bfd_asymbol_value (sorted_syms[x]) <= addr));
+ ++x)
+ continue;
+
+ pinfo->symbols = sorted_syms + place;
+ pinfo->num_symbols = x - place;
+ pinfo->symtab_pos = place;
+ }
+ else
+ {
+ pinfo->symbols = NULL;
+ pinfo->num_symbols = 0;
+ pinfo->symtab_pos = -1;
+ }
+
+ if (! prefix_addresses)
+ {
+ pinfo->fprintf_func (pinfo->stream, "\n");
+ objdump_print_addr_with_sym (abfd, section, sym, addr,
+ pinfo, FALSE);
+ pinfo->fprintf_func (pinfo->stream, ":\n");
+ }
+
+ if (sym != NULL && bfd_asymbol_value (sym) > addr)
+ nextsym = sym;
+ else if (sym == NULL)
+ nextsym = NULL;
+ else
+ {
+#define is_valid_next_sym(SYM) \
+ ((SYM)->section == section \
+ && (bfd_asymbol_value (SYM) > bfd_asymbol_value (sym)) \
+ && pinfo->symbol_is_valid (SYM, pinfo))
+
+ /* 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
+ && ! is_valid_next_sym (sorted_syms [place]))
+ ++place;
+
+ if (place >= sorted_symcount)
+ nextsym = NULL;
+ else
+ nextsym = sorted_syms[place];
+ }
+
+ if (sym != NULL && bfd_asymbol_value (sym) > addr)
+ nextstop_offset = bfd_asymbol_value (sym) - section->vma;
+ else if (nextsym == NULL)
+ nextstop_offset = stop_offset;
+ else
+ nextstop_offset = bfd_asymbol_value (nextsym) - section->vma;
+
+ if (nextstop_offset > stop_offset
+ || nextstop_offset <= addr_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
+ || sym->section != section
+ || bfd_asymbol_value (sym) > addr
+ || ((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;
+ long i;
+
+ 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_symcount = symcount ? symcount : dynsymcount;
+ sorted_syms = (asymbol **) xmalloc ((sorted_symcount + synthcount)
+ * sizeof (asymbol *));
+ memcpy (sorted_syms, symcount ? syms : dynsyms,
+ sorted_symcount * sizeof (asymbol *));
+
+ sorted_symcount = remove_useless_symbols (sorted_syms, sorted_symcount);
+
+ for (i = 0; i < synthcount; ++i)
+ {
+ sorted_syms[sorted_symcount] = synthsyms + i;
+ ++sorted_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_ftype) fprintf);
+
+ disasm_info.application_data = (void *) &aux;
+ aux.abfd = abfd;
+ aux.require_sec = FALSE;
+ aux.dynrelbuf = NULL;
+ aux.dynrelcount = 0;
+ aux.reloc = NULL;
+
+ 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 = (struct bfd_target *) xmalloc (sizeof (struct bfd_target));
+ memcpy (xvec, abfd->xvec, sizeof (struct bfd_target));
+ xvec->byteorder = endian;
+ abfd->xvec = xvec;
}
- disassemble_fn = disassembler (abfd);
- if (!disassemble_fn)
+ /* 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));
return;
}
- opb = bfd_octets_per_byte (abfd);
-
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 = opb;
+ disasm_info.octets_per_byte = bfd_octets_per_byte (abfd);
+ disasm_info.skip_zeroes = DEFAULT_SKIP_ZEROES;
+ disasm_info.skip_zeroes_at_end = DEFAULT_SKIP_ZEROES_AT_END;
+ disasm_info.disassembler_needs_relocs = FALSE;
if (bfd_big_endian (abfd))
disasm_info.display_endian = disasm_info.endian = BFD_ENDIAN_BIG;
instead. */
disasm_info.endian = BFD_ENDIAN_UNKNOWN;
- 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;
- unsigned long stop_offset;
- asymbol *sym = NULL;
- long place = 0;
-
- if ((section->flags & SEC_LOAD) == 0
- || (! disassemble_all
- && only == NULL
- && (section->flags & SEC_CODE) == 0))
- continue;
-
- if (only != NULL)
- {
- size_t i;
-
- for (i = 0; i < only_used; i++)
- if (strcmp (only [i], section->name) == 0)
- break;
+ /* Allow the target to customize the info structure. */
+ disassemble_init_for_target (& disasm_info);
- if (i == only_used)
- continue;
- }
+ /* 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 ((section->flags & SEC_RELOC) != 0
-#ifndef DISASSEMBLER_NEEDS_RELOCS
- && dump_reloc_info
-#endif
- )
+ if (relsize > 0)
{
- long relsize;
-
- relsize = bfd_get_reloc_upper_bound (abfd, section);
- if (relsize < 0)
+ aux.dynrelbuf = (arelent **) xmalloc (relsize);
+ aux.dynrelcount = bfd_canonicalize_dynamic_reloc (abfd,
+ aux.dynrelbuf,
+ dynsyms);
+ if (aux.dynrelcount < 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;
-
- /* Skip over the relocs belonging to addresses below the
- start address. */
- if (start_address != (bfd_vma) -1)
- while (relpp < relppend
- && (*relpp)->address < start_address)
- ++relpp;
- }
+ /* Sort the relocs by address. */
+ qsort (aux.dynrelbuf, aux.dynrelcount, sizeof (arelent *),
+ compare_relocs);
}
+ }
+ disasm_info.symtab = sorted_syms;
+ disasm_info.symtab_size = sorted_symcount;
- printf (_("Disassembly of section %s:\n"), section->name);
-
- datasize = bfd_get_section_size_before_reloc (section);
- if (datasize == 0)
- continue;
+ bfd_map_over_sections (abfd, disassemble_section, & disasm_info);
- data = (bfd_byte *) xmalloc ((size_t) datasize);
+ if (aux.dynrelbuf != NULL)
+ free (aux.dynrelbuf);
+ free (sorted_syms);
+}
+\f
+static int
+load_specific_debug_section (enum dwarf_section_display_enum debug,
+ asection *sec, void *file)
+{
+ struct dwarf_section *section = &debug_displays [debug].section;
+ bfd *abfd = (bfd *) file;
+ bfd_boolean ret;
+ int section_is_compressed;
- bfd_get_section_contents (abfd, section, data, 0, datasize);
+ /* If it is already loaded, do nothing. */
+ if (section->start != NULL)
+ return 1;
- aux.sec = section;
- disasm_info.buffer = data;
- disasm_info.buffer_vma = section->vma;
- disasm_info.buffer_length = datasize;
- disasm_info.section = section;
+ section_is_compressed = section->name == section->compressed_name;
- if (start_address == (bfd_vma) -1
- || start_address < disasm_info.buffer_vma)
- addr_offset = 0;
- else
- addr_offset = start_address - disasm_info.buffer_vma;
+ section->address = 0;
+ section->size = bfd_get_section_size (sec);
+ section->start = (unsigned char *) xmalloc (section->size);
- if (stop_address == (bfd_vma) -1)
- stop_offset = datasize / opb;
- else
- {
- if (stop_address < disasm_info.buffer_vma)
- stop_offset = 0;
- else
- stop_offset = stop_address - disasm_info.buffer_vma;
- if (stop_offset > disasm_info.buffer_length / opb)
- stop_offset = disasm_info.buffer_length / opb;
- }
+ if (is_relocatable && debug_displays [debug].relocate)
+ ret = bfd_simple_get_relocated_section_contents (abfd,
+ sec,
+ section->start,
+ syms) != NULL;
+ else
+ ret = bfd_get_section_contents (abfd, sec, section->start, 0,
+ section->size);
- sym = find_symbol_for_address (abfd, section, section->vma + addr_offset,
- TRUE, &place);
+ if (! ret)
+ {
+ free_debug_section (debug);
+ printf (_("\nCan't get contents for section '%s'.\n"),
+ section->name);
+ return 0;
+ }
- while (addr_offset < stop_offset)
- {
- asymbol *nextsym;
- unsigned long nextstop_offset;
- bfd_boolean insns;
+ if (section_is_compressed)
+ {
+ bfd_size_type size = section->size;
+ if (! bfd_uncompress_section_contents (§ion->start, &size))
+ {
+ free_debug_section (debug);
+ printf (_("\nCan't uncompress section '%s'.\n"), section->name);
+ return 0;
+ }
+ section->size = size;
+ }
- if (sym != NULL && bfd_asymbol_value (sym) <= section->vma + addr_offset)
- {
- int x;
+ return 1;
+}
- for (x = place;
- (x < sorted_symcount
- && bfd_asymbol_value (sorted_syms[x]) <= section->vma + addr_offset);
- ++x)
- continue;
+int
+load_debug_section (enum dwarf_section_display_enum debug, void *file)
+{
+ struct dwarf_section *section = &debug_displays [debug].section;
+ bfd *abfd = (bfd *) file;
+ asection *sec;
- disasm_info.symbols = & sorted_syms[place];
- disasm_info.num_symbols = x - place;
- }
- else
- disasm_info.symbols = NULL;
+ /* If it is already loaded, do nothing. */
+ if (section->start != NULL)
+ return 1;
- if (! prefix_addresses)
- {
- (* disasm_info.fprintf_func) (disasm_info.stream, "\n");
- objdump_print_addr_with_sym (abfd, section, sym,
- section->vma + addr_offset,
- &disasm_info,
- FALSE);
- (* disasm_info.fprintf_func) (disasm_info.stream, ":\n");
- }
+ /* Locate the debug section. */
+ sec = bfd_get_section_by_name (abfd, section->uncompressed_name);
+ if (sec != NULL)
+ section->name = section->uncompressed_name;
+ else
+ {
+ sec = bfd_get_section_by_name (abfd, section->compressed_name);
+ if (sec != NULL)
+ section->name = section->compressed_name;
+ }
+ if (sec == NULL)
+ return 0;
- 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];
- }
+ return load_specific_debug_section (debug, sec, file);
+}
- 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;
- }
+void
+free_debug_section (enum dwarf_section_display_enum debug)
+{
+ struct dwarf_section *section = &debug_displays [debug].section;
- /* 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;
+ if (section->start == NULL)
+ return;
- disassemble_bytes (&disasm_info, disassemble_fn, insns, data,
- addr_offset, nextstop_offset, &relpp, relppend);
+ free ((char *) section->start);
+ section->start = NULL;
+ section->address = 0;
+ section->size = 0;
+}
- addr_offset = nextstop_offset;
- sym = nextsym;
- }
+static void
+dump_dwarf_section (bfd *abfd, asection *section,
+ void *arg ATTRIBUTE_UNUSED)
+{
+ const char *name = bfd_get_section_name (abfd, section);
+ const char *match;
+ int i;
- free (data);
+ if (CONST_STRNEQ (name, ".gnu.linkonce.wi."))
+ match = ".debug_info";
+ else
+ match = name;
- if (relbuf != NULL)
- free (relbuf);
- }
- free (sorted_syms);
+ for (i = 0; i < max; i++)
+ if ((strcmp (debug_displays [i].section.uncompressed_name, match) == 0
+ || strcmp (debug_displays [i].section.compressed_name, match) == 0)
+ && debug_displays [i].enabled != NULL
+ && *debug_displays [i].enabled)
+ {
+ struct dwarf_section *sec = &debug_displays [i].section;
+
+ if (strcmp (sec->uncompressed_name, match) == 0)
+ sec->name = sec->uncompressed_name;
+ else
+ sec->name = sec->compressed_name;
+ if (load_specific_debug_section ((enum dwarf_section_display_enum) i,
+ section, abfd))
+ {
+ debug_displays [i].display (sec, abfd);
+
+ if (i != info && i != abbrev)
+ free_debug_section ((enum dwarf_section_display_enum) i);
+ }
+ break;
+ }
}
-\f
-/* Dump the stabs sections from an object file that has a section that
- uses Sun stabs encoding. */
+
+/* Dump the dwarf debugging information. */
static void
-dump_stabs (abfd)
- bfd *abfd;
+dump_dwarf (bfd *abfd)
{
- 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, "$GDB_SYMBOLS$", "$GDB_STRINGS$");
-}
+ is_relocatable = (abfd->flags & (EXEC_P | DYNAMIC)) == 0;
-/* 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. */
+ /* FIXME: bfd_get_arch_size may return -1. We assume that 64bit
+ targets will return 64. */
+ eh_addr_size = bfd_get_arch_size (abfd) == 64 ? 8 : 4;
-static bfd_boolean
-read_section_stabs (abfd, stabsect_name, strsect_name)
- bfd *abfd;
- const char *stabsect_name;
- const char *strsect_name;
-{
- asection *stabsect, *stabstrsect;
+ if (bfd_big_endian (abfd))
+ byte_get = byte_get_big_endian;
+ else if (bfd_little_endian (abfd))
+ byte_get = byte_get_little_endian;
+ else
+ abort ();
- stabsect = bfd_get_section_by_name (abfd, stabsect_name);
- if (0 == stabsect)
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
{
- printf (_("No %s section present\n\n"), stabsect_name);
- return FALSE;
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ init_dwarf_regnames (bed->elf_machine_code);
}
- stabstrsect = bfd_get_section_by_name (abfd, strsect_name);
- if (0 == stabstrsect)
- {
- non_fatal (_("%s has no %s section"),
- bfd_get_filename (abfd), strsect_name);
- exit_status = 1;
- return FALSE;
- }
+ bfd_map_over_sections (abfd, dump_dwarf_section, NULL);
- stab_size = bfd_section_size (abfd, stabsect);
- stabstr_size = bfd_section_size (abfd, stabstrsect);
+ free_debug_memory ();
+}
+\f
+/* Read ABFD's stabs section STABSECT_NAME, and return a pointer to
+ it. Return NULL on failure. */
- stabs = (bfd_byte *) xmalloc (stab_size);
- strtab = (char *) xmalloc (stabstr_size);
+static char *
+read_section_stabs (bfd *abfd, const char *sect_name, bfd_size_type *size_ptr)
+{
+ asection *stabsect;
+ bfd_size_type size;
+ char *contents;
- if (! bfd_get_section_contents (abfd, stabsect, (PTR) stabs, 0, stab_size))
+ stabsect = bfd_get_section_by_name (abfd, sect_name);
+ if (stabsect == NULL)
{
- 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;
+ printf (_("No %s section present\n\n"), sect_name);
return FALSE;
}
- if (! bfd_get_section_contents (abfd, stabstrsect, (PTR) strtab, 0,
- stabstr_size))
+ size = bfd_section_size (abfd, stabsect);
+ contents = (char *) xmalloc (size);
+
+ if (! bfd_get_section_contents (abfd, stabsect, contents, 0, size))
{
- non_fatal (_("Reading %s section of %s failed: %s\n"),
- strsect_name, bfd_get_filename (abfd),
+ non_fatal (_("Reading %s section of %s failed: %s"),
+ sect_name, bfd_get_filename (abfd),
bfd_errmsg (bfd_get_error ()));
- free (stabs);
- free (strtab);
+ free (contents);
exit_status = 1;
- return FALSE;
+ return NULL;
}
- return TRUE;
+ *size_ptr = size;
+
+ return contents;
}
/* Stabs entries use a 12 byte format:
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 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 (abfd, stabsect_name, strsect_name)
- bfd *abfd;
- const char *stabsect_name;
- const char *strsect_name ATTRIBUTE_UNUSED;
+print_section_stabs (bfd *abfd,
+ const char *stabsect_name,
+ unsigned *string_offset_ptr)
{
int i;
- unsigned file_string_table_offset = 0, next_file_string_table_offset = 0;
+ unsigned file_string_table_offset = 0;
+ unsigned next_file_string_table_offset = *string_offset_ptr;
bfd_byte *stabp, *stabs_end;
stabp = stabs;
}
}
printf ("\n\n");
+ *string_offset_ptr = next_file_string_table_offset;
}
+typedef struct
+{
+ const char * section_name;
+ const char * string_section_name;
+ unsigned string_offset;
+}
+stab_section_names;
+
static void
-dump_section_stabs (abfd, stabsect_name, strsect_name)
- bfd *abfd;
- char *stabsect_name;
- char *strsect_name;
+find_stabs_section (bfd *abfd, asection *section, void *names)
{
- asection *s;
+ 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. */
- for (s = abfd->sections;
- s != NULL;
- s = s->next)
+ handle .stab.N, 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
+ || (section->name[len] == '.' && ISDIGIT (section->name[len + 1]))))
{
- int len;
-
- len = strlen (stabsect_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 (stabsect_name, s->name, len) == 0
- && (s->name[len] == '\000'
- || ISDIGIT (s->name[len])))
+ if (strtab == NULL)
+ strtab = read_section_stabs (abfd, sought->string_section_name,
+ &stabstr_size);
+
+ if (strtab)
{
- if (read_section_stabs (abfd, s->name, strsect_name))
- {
- print_section_stabs (abfd, s->name, strsect_name);
- free (stabs);
- free (strtab);
- }
+ stabs = (bfd_byte *) read_section_stabs (abfd, section->name,
+ &stab_size);
+ if (stabs)
+ print_section_stabs (abfd, section->name, &sought->string_offset);
}
}
}
+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;
+ s.string_offset = 0;
+
+ bfd_map_over_sections (abfd, find_stabs_section, & s);
+
+ free (strtab);
+ strtab = NULL;
+}
+
+/* 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");
+
+ /* For Darwin. */
+ dump_stabs_section (abfd, "LC_SYMTAB.stabs", "LC_SYMTAB.stabstr");
+
+ dump_stabs_section (abfd, "$GDB_SYMBOLS$", "$GDB_STRINGS$");
+}
\f
static void
-dump_bfd_header (abfd)
- bfd *abfd;
+dump_bfd_header (bfd *abfd)
{
char *comma = "";
\f
static void
-dump_bfd_private_header (abfd)
-bfd *abfd;
+dump_bfd_private_header (bfd *abfd)
{
bfd_print_private_bfd_data (abfd, stdout);
}
-/* Dump selected contents of ABFD. */
+\f
+/* Display a section in hexadecimal format with associated characters.
+ Each line prefixed by the zero padded address. */
static void
-dump_bfd (abfd)
- bfd *abfd;
+dump_section (bfd *abfd, asection *section, void *dummy ATTRIBUTE_UNUSED)
{
- /* 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_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;
+
+ /* 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
{
- asection *s;
+ if (stop_address < section->vma)
+ stop_offset = 0;
+ else
+ stop_offset = stop_address - section->vma;
- for (s = abfd->sections; s != NULL; s = s->next)
- {
- s->vma += adjust_section_vma;
- s->lma += adjust_section_vma;
- }
+ if (stop_offset > datasize / opb)
+ stop_offset = datasize / opb;
}
- 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 (start_offset >= stop_offset)
+ return;
+
+ printf (_("Contents of section %s:"), section->name);
+ if (display_file_offsets)
+ printf (_(" (Starting at file offset: 0x%lx)"),
+ (unsigned long) (section->filepos + start_offset));
+ printf ("\n");
- 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);
+ data = (bfd_byte *) xmalloc (datasize);
- 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);
- if (dump_debugging)
- {
- PTR dhandle;
-
- dhandle = read_debugging_info (abfd, syms, symcount);
- if (dhandle != NULL)
- {
- if (! print_debugging_info (stdout, dhandle))
- {
- 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 (abfd)
- bfd *abfd;
-{
- char **matching;
-
- if (bfd_check_format_matches (abfd, bfd_object, &matching))
- {
- dump_bfd (abfd);
- return;
- }
+ bfd_get_section_contents (abfd, section, data, 0, datasize);
- if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
- {
- nonfatal (bfd_get_filename (abfd));
- list_matching_formats (matching);
- free (matching);
- return;
- }
+ width = 4;
- if (bfd_get_error () != bfd_error_file_not_recognized)
- {
- nonfatal (bfd_get_filename (abfd));
- return;
- }
+ bfd_sprintf_vma (abfd, buf, start_offset + section->vma);
+ if (strlen (buf) >= sizeof (buf))
+ abort ();
- if (bfd_check_format_matches (abfd, bfd_core, &matching))
- {
- dump_bfd (abfd);
- return;
- }
+ count = 0;
+ while (buf[count] == '0' && buf[count+1] != '\0')
+ count++;
+ count = strlen (buf) - count;
+ if (count > width)
+ width = count;
- nonfatal (bfd_get_filename (abfd));
+ bfd_sprintf_vma (abfd, buf, stop_offset + section->vma - 1);
+ if (strlen (buf) >= sizeof (buf))
+ abort ();
- if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
- {
- list_matching_formats (matching);
- free (matching);
- }
-}
-
-static void
-display_file (filename, target)
- char *filename;
- char *target;
-{
- bfd *file, *arfile = (bfd *) NULL;
+ count = 0;
+ while (buf[count] == '0' && buf[count+1] != '\0')
+ count++;
+ count = strlen (buf) - count;
+ if (count > width)
+ width = count;
- file = bfd_openr (filename, target);
- if (file == NULL)
+ for (addr_offset = start_offset;
+ addr_offset < stop_offset; addr_offset += onaline / opb)
{
- nonfatal (filename);
- return;
- }
+ bfd_size_type j;
- if (bfd_check_format (file, bfd_archive))
- {
- bfd *last_arfile = NULL;
+ bfd_sprintf_vma (abfd, buf, (addr_offset + section->vma));
+ count = strlen (buf);
+ if ((size_t) count >= sizeof (buf))
+ abort ();
- printf (_("In archive %s:\n"), bfd_get_filename (file));
- for (;;)
+ putchar (' ');
+ while (count < width)
{
- 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);
+ putchar ('0');
+ count++;
+ }
+ fputs (buf + count - width, stdout);
+ putchar (' ');
- if (last_arfile != NULL)
- bfd_close (last_arfile);
- last_arfile = arfile;
+ 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 (" ");
}
- if (last_arfile != NULL)
- bfd_close (last_arfile);
+ 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');
}
- else
- display_bfd (file);
-
- bfd_close (file);
+ free (data);
}
-\f
+
/* Actually display the various requested regions. */
static void
-dump_data (abfd)
- bfd *abfd;
+dump_data (bfd *abfd)
{
- asection *section;
- bfd_byte *data = 0;
- bfd_size_type datasize = 0;
- bfd_size_type addr_offset;
- bfd_size_type start_offset, stop_offset;
- unsigned int opb = bfd_octets_per_byte (abfd);
-
- for (section = abfd->sections; section != NULL; section =
- section->next)
- {
- int onaline = 16;
- size_t i;
-
- for (i = 0; i < only_used; i++)
- if (strcmp (only [i], section->name) == 0)
- break;
-
- if (only_used == 0 || i != only_used)
- {
- if (section->flags & SEC_HAS_CONTENTS)
- {
- char buf[64];
- int count, width;
-
- 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));
-
- 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 = bfd_section_size (abfd, section) / opb;
- else
- {
- if (stop_address < section->vma)
- stop_offset = 0;
- else
- stop_offset = stop_address - section->vma;
- if (stop_offset > bfd_section_size (abfd, section) / opb)
- stop_offset = bfd_section_size (abfd, section) / 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);
- }
- }
- }
+ bfd_map_over_sections (abfd, dump_section, NULL);
}
/* Should perhaps share code and display with nm? */
static void
-dump_symbols (abfd, dynamic)
- bfd *abfd ATTRIBUTE_UNUSED;
- bfd_boolean dynamic;
+dump_symbols (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean dynamic)
{
asymbol **current;
long max;
for (count = 0; count < max; count++)
{
- if (*current)
+ bfd *cur_bfd;
+
+ if (*current == NULL)
+ printf (_("no information for symbol number %ld\n"), count);
+
+ else if ((cur_bfd = bfd_asymbol_bfd (*current)) == NULL)
+ printf (_("could not determine the type of symbol number %ld\n"),
+ count);
+
+ else if (process_section_p ((* current)->section)
+ && (dump_special_syms
+ || !bfd_is_target_special_symbol (cur_bfd, *current)))
{
- bfd *cur_bfd = bfd_asymbol_bfd (*current);
+ const char *name = (*current)->name;
- if (cur_bfd != NULL)
+ if (do_demangle && name != NULL && *name != '\0')
{
- const char *name;
char *alloc;
- name = (*current)->name;
- alloc = NULL;
- if (do_demangle && name != NULL && *name != '\0')
- {
- /* 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;
- }
-
+ /* 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 = bfd_demangle (cur_bfd, name, DMGL_ANSI | DMGL_PARAMS);
+ if (alloc != NULL)
+ (*current)->name = alloc;
bfd_print_symbol (cur_bfd, stdout, *current,
bfd_print_symbol_all);
-
- (*current)->name = name;
if (alloc != NULL)
- free (alloc);
-
- printf ("\n");
+ {
+ (*current)->name = name;
+ free (alloc);
+ }
}
+ else
+ bfd_print_symbol (cur_bfd, stdout, *current,
+ bfd_print_symbol_all);
+ printf ("\n");
}
+
current++;
}
- printf ("\n");
- printf ("\n");
+ printf ("\n\n");
}
-
+\f
static void
-dump_relocs (abfd)
- bfd *abfd;
+dump_reloc_set (bfd *abfd, asection *sec, arelent **relpp, long relcount)
{
- arelent **relpp;
- long relcount;
- asection *a;
+ 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, "");
+ }
- for (a = abfd->sections; a != (asection *) NULL; a = a->next)
+ last_filename = NULL;
+ last_functionname = NULL;
+ last_line = 0;
+
+ for (p = relpp; relcount && *p != NULL; p++, relcount--)
{
- long relsize;
+ arelent *q = *p;
+ const char *filename, *functionname;
+ unsigned int line;
+ const char *sym_name;
+ const char *section_name;
- if (bfd_is_abs_section (a))
- continue;
- if (bfd_is_und_section (a))
+ if (start_address != (bfd_vma) -1
+ && q->address < start_address)
continue;
- if (bfd_is_com_section (a))
+ if (stop_address != (bfd_vma) -1
+ && q->address > stop_address)
continue;
- if (only)
+ if (with_line_numbers
+ && sec != NULL
+ && bfd_find_nearest_line (abfd, sec, syms, q->address,
+ &filename, &functionname, &line))
{
- size_t i;
-
- for (i = 0; i < only_used; i++)
- if (strcmp (only [i], a->name) == 0)
- break;
+ 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 (i == only_used)
- continue;
+ 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);
+ }
}
- else if ((a->flags & SEC_RELOC) == 0)
- continue;
- relsize = bfd_get_reloc_upper_bound (abfd, a);
- if (relsize < 0)
- bfd_fatal (bfd_get_filename (abfd));
+ 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;
+ }
- printf ("RELOCATION RECORDS FOR [%s]:", a->name);
+ bfd_printf_vma (abfd, q->address);
+ if (q->howto == NULL)
+ printf (" *unknown* ");
+ else if (q->howto->name)
+ printf (" %-16s ", q->howto->name);
+ else
+ printf (" %-16d ", q->howto->type);
- if (relsize == 0)
+ if (sym_name)
{
- printf (" (none)\n\n");
+ objdump_print_symname (abfd, NULL, *q->sym_ptr_ptr);
}
else
{
- relpp = (arelent **) xmalloc (relsize);
- relcount = bfd_canonicalize_reloc (abfd, a, relpp, syms);
+ if (section_name == NULL)
+ section_name = "*unknown*";
+ printf ("[%s]", section_name);
+ }
- if (relcount < 0)
- bfd_fatal (bfd_get_filename (abfd));
- else if (relcount == 0)
- printf (" (none)\n\n");
- else
- {
- printf ("\n");
- dump_reloc_set (abfd, a, relpp, relcount);
- printf ("\n\n");
- }
- free (relpp);
+ 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 = (arelent **) 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 (abfd)
- bfd *abfd;
+dump_dynamic_relocs (bfd *abfd)
{
long relsize;
arelent **relpp;
else
{
printf ("\n");
- dump_reloc_set (abfd, (asection *) NULL, relpp, relcount);
+ dump_reloc_set (abfd, NULL, relpp, relcount);
printf ("\n\n");
}
free (relpp);
}
}
+/* Creates a table of paths, to search for source files. */
+
static void
-dump_reloc_set (abfd, sec, relpp, relcount)
- bfd *abfd;
- asection *sec;
- arelent **relpp;
- long relcount;
+add_include_path (const char *path)
{
- arelent **p;
- char *last_filename, *last_functionname;
- unsigned int last_line;
+ if (path[0] == 0)
+ return;
+ include_path_count++;
+ include_paths = (const char **)
+ 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;
+}
- /* Get column headers lined up reasonably. */
- {
- static int width;
+static void
+adjust_addresses (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *section,
+ void *arg)
+{
+ if ((section->flags & SEC_DEBUGGING) == 0)
+ {
+ bfd_boolean *has_reloc_p = (bfd_boolean *) arg;
+ section->vma += adjust_section_vma;
+ if (*has_reloc_p)
+ section->lma += adjust_section_vma;
+ }
+}
- 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, "");
- }
+/* Dump selected contents of ABFD. */
- last_filename = NULL;
- last_functionname = NULL;
- last_line = 0;
+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_boolean has_reloc = (abfd->flags & HAS_RELOC);
+ bfd_map_over_sections (abfd, adjust_addresses, &has_reloc);
+ }
+
+ 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);
- for (p = relpp; relcount && *p != (arelent *) NULL; p++, relcount--)
+ if (dump_symtab
+ || dump_reloc_info
+ || disassemble
+ || dump_debugging
+ || dump_dwarf_section_info)
+ syms = slurp_symtab (abfd);
+ if (dump_dynamic_symtab || dump_dynamic_reloc_info
+ || (disassemble && bfd_get_dynamic_symtab_upper_bound (abfd) > 0))
+ dynsyms = slurp_dynamic_symtab (abfd);
+ if (disassemble)
{
- arelent *q = *p;
- const char *filename, *functionname;
- unsigned int line;
- const char *sym_name;
- const char *section_name;
+ synthcount = bfd_get_synthetic_symtab (abfd, symcount, syms,
+ dynsymcount, dynsyms, &synthsyms);
+ if (synthcount < 0)
+ synthcount = 0;
+ }
- if (start_address != (bfd_vma) -1
- && q->address < start_address)
- continue;
- if (stop_address != (bfd_vma) -1
- && q->address > stop_address)
- continue;
+ if (dump_symtab)
+ dump_symbols (abfd, FALSE);
+ if (dump_dynamic_symtab)
+ dump_symbols (abfd, TRUE);
+ if (dump_dwarf_section_info)
+ dump_dwarf (abfd);
+ 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 (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 (dump_debugging)
+ {
+ void *dhandle;
- if (line > 0
- && (line != last_line
- || (filename != NULL
- && last_filename != NULL
- && strcmp (filename, last_filename) != 0)))
+ dhandle = read_debugging_info (abfd, syms, symcount, TRUE);
+ if (dhandle != NULL)
+ {
+ if (!print_debugging_info (stdout, dhandle, abfd, syms,
+ bfd_demangle,
+ dump_debugging_tags ? TRUE : FALSE))
{
- 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);
+ non_fatal (_("%s: printing debugging information failed"),
+ bfd_get_filename (abfd));
+ exit_status = 1;
}
}
-
- 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
+ /* PR 6483: If there was no STABS or IEEE debug
+ info in the file, try DWARF instead. */
+ else if (! dump_dwarf_section_info)
{
- sym_name = NULL;
- section_name = NULL;
+ dump_dwarf (abfd);
}
+ }
- 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, (struct disassemble_info *) NULL,
- *q->sym_ptr_ptr);
- }
- else
- {
- if (section_name == (const char *) NULL)
- section_name = "*unknown*";
- bfd_printf_vma (abfd, q->address);
- printf (" %-16s [%s]",
- q->howto->name,
- section_name);
- }
+ if (syms)
+ {
+ free (syms);
+ syms = NULL;
+ }
- if (q->addend)
+ if (dynsyms)
+ {
+ free (dynsyms);
+ dynsyms = NULL;
+ }
+
+ if (synthsyms)
+ {
+ free (synthsyms);
+ synthsyms = NULL;
+ }
+
+ symcount = 0;
+ dynsymcount = 0;
+ synthcount = 0;
+}
+
+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;
+ bfd *arfile = NULL;
+
+ if (get_file_size (filename) < 1)
+ {
+ exit_status = 1;
+ return;
+ }
+
+ 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 (;;)
{
- printf ("+0x");
- bfd_printf_vma (abfd, q->addend);
+ 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;
}
- printf ("\n");
+ if (last_arfile != NULL)
+ bfd_close (last_arfile);
}
+ else
+ display_bfd (file);
+
+ bfd_close (file);
}
\f
-int main PARAMS ((int, char **));
-
int
-main (argc, argv)
- int argc;
- char **argv;
+main (int argc, char **argv)
{
int c;
char *target = default_target;
bfd_boolean seenflag = FALSE;
-#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
+#if defined (HAVE_SETLOCALE)
+#if defined (HAVE_LC_MESSAGES)
setlocale (LC_MESSAGES, "");
#endif
-#if defined (HAVE_SETLOCALE)
setlocale (LC_CTYPE, "");
#endif
+
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
START_PROGRESS (program_name, 0);
+ expandargv (&argc, &argv);
+
bfd_init ();
set_default_bfd_target ();
- while ((c = getopt_long (argc, argv, "pib:m:M:VvCdDlfaHhrRtTxsSj:wE:zgG",
+ while ((c = getopt_long (argc, argv,
+ "pib:m:M:VvCdDlfFaHhrRtTxsSI:j:wE:zgeGW::",
long_options, (int *) 0))
!= EOF)
{
machine = optarg;
break;
case 'M':
- disassembler_options = optarg;
+ if (disassembler_options)
+ /* Ignore potential memory leak for now. */
+ disassembler_options = concat (disassembler_options, ",",
+ optarg, (const char *) NULL);
+ else
+ disassembler_options = optarg;
break;
case 'j':
- if (only == NULL)
- {
- only_size = 8;
- only = (char **) xmalloc (only_size * sizeof (char *));
- }
- else if (only_used == only_size)
+ if (only_used == only_size)
{
only_size += 8;
- only = (char **) xrealloc (only,
- only_size * sizeof (char *));
+ only = (char **) xrealloc (only, only_size * sizeof (char *));
}
only [only_used++] = optarg;
break;
+ case 'F':
+ display_file_offsets = TRUE;
+ break;
case 'l':
with_line_numbers = TRUE;
break;
break;
case OPTION_START_ADDRESS:
start_address = parse_vma (optarg, "--start-address");
+ if ((stop_address != (bfd_vma) -1) && stop_address <= start_address)
+ fatal (_("error: the start address should be before the end address"));
break;
case OPTION_STOP_ADDRESS:
stop_address = parse_vma (optarg, "--stop-address");
+ if ((start_address != (bfd_vma) -1) && stop_address <= start_address)
+ fatal (_("error: the stop address should be after the start address"));
+ break;
+ case OPTION_PREFIX:
+ prefix = optarg;
+ prefix_length = strlen (prefix);
+ /* Remove an unnecessary trailing '/' */
+ while (IS_DIR_SEPARATOR (prefix[prefix_length - 1]))
+ prefix_length--;
+ break;
+ case OPTION_PREFIX_STRIP:
+ prefix_strip = atoi (optarg);
+ if (prefix_strip < 0)
+ fatal (_("error: prefix strip must be non-negative"));
+ break;
+ case OPTION_INSN_WIDTH:
+ insn_width = strtoul (optarg, NULL, 0);
+ if (insn_width <= 0)
+ fatal (_("error: instruction width must be positive"));
break;
case 'E':
if (strcmp (optarg, "B") == 0)
formats_info = TRUE;
seenflag = TRUE;
break;
+ case 'I':
+ add_include_path (optarg);
+ break;
case 'p':
dump_private_headers = TRUE;
seenflag = TRUE;
dump_debugging = 1;
seenflag = TRUE;
break;
+ case 'e':
+ dump_debugging = 1;
+ dump_debugging_tags = 1;
+ do_demangle = TRUE;
+ seenflag = TRUE;
+ break;
+ case 'W':
+ dump_dwarf_section_info = TRUE;
+ seenflag = TRUE;
+ if (optarg)
+ dwarf_select_sections_by_letters (optarg);
+ else
+ dwarf_select_sections_all ();
+ break;
+ case OPTION_DWARF:
+ dump_dwarf_section_info = TRUE;
+ seenflag = TRUE;
+ if (optarg)
+ dwarf_select_sections_by_names (optarg);
+ else
+ dwarf_select_sections_all ();
+ break;
case 'G':
dump_stab_section_info = TRUE;
seenflag = TRUE;
projects / deliverable / binutils-gdb.git / blobdiff