9612 lines
249 KiB
C
9612 lines
249 KiB
C
/* readelf.c -- display contents of an ELF format file
|
||
Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
|
||
|
||
Originally developed by Eric Youngdale <eric@andante.jic.com>
|
||
Modifications by Nick Clifton <nickc@redhat.com>
|
||
|
||
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 of the License, or
|
||
(at your option) any later version.
|
||
|
||
This program is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with this program; if not, write to the Free Software
|
||
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
||
02111-1307, USA. */
|
||
|
||
|
||
#include <assert.h>
|
||
#include <sys/types.h>
|
||
#include <sys/stat.h>
|
||
#include <stdio.h>
|
||
#include <time.h>
|
||
|
||
#if __GNUC__ >= 2
|
||
/* Define BFD64 here, even if our default architecture is 32 bit ELF
|
||
as this will allow us to read in and parse 64bit and 32bit ELF files.
|
||
Only do this if we belive that the compiler can support a 64 bit
|
||
data type. For now we only rely on GCC being able to do this. */
|
||
#define BFD64
|
||
#endif
|
||
|
||
#include "bfd.h"
|
||
|
||
#include "elf/common.h"
|
||
#include "elf/external.h"
|
||
#include "elf/internal.h"
|
||
#include "elf/dwarf2.h"
|
||
|
||
/* The following headers use the elf/reloc-macros.h file to
|
||
automatically generate relocation recognition functions
|
||
such as elf_mips_reloc_type() */
|
||
|
||
#define RELOC_MACROS_GEN_FUNC
|
||
|
||
#include "elf/alpha.h"
|
||
#include "elf/arc.h"
|
||
#include "elf/arm.h"
|
||
#include "elf/avr.h"
|
||
#include "elf/cris.h"
|
||
#include "elf/d10v.h"
|
||
#include "elf/d30v.h"
|
||
#include "elf/fr30.h"
|
||
#include "elf/h8.h"
|
||
#include "elf/hppa.h"
|
||
#include "elf/i386.h"
|
||
#include "elf/i860.h"
|
||
#include "elf/i960.h"
|
||
#include "elf/ia64.h"
|
||
#include "elf/m32r.h"
|
||
#include "elf/m68k.h"
|
||
#include "elf/mcore.h"
|
||
#include "elf/mips.h"
|
||
#include "elf/mmix.h"
|
||
#include "elf/mn10200.h"
|
||
#include "elf/mn10300.h"
|
||
#include "elf/or32.h"
|
||
#include "elf/pj.h"
|
||
#include "elf/ppc.h"
|
||
#include "elf/s390.h"
|
||
#include "elf/sh.h"
|
||
#include "elf/sparc.h"
|
||
#include "elf/v850.h"
|
||
#include "elf/x86-64.h"
|
||
#include "elf/xstormy16.h"
|
||
|
||
#include "bucomm.h"
|
||
#include "getopt.h"
|
||
|
||
char * program_name = "readelf";
|
||
unsigned int dynamic_addr;
|
||
bfd_size_type dynamic_size;
|
||
unsigned int rela_addr;
|
||
unsigned int rela_size;
|
||
char * dynamic_strings;
|
||
char * string_table;
|
||
unsigned long string_table_length;
|
||
unsigned long num_dynamic_syms;
|
||
Elf_Internal_Sym * dynamic_symbols;
|
||
Elf_Internal_Syminfo * dynamic_syminfo;
|
||
unsigned long dynamic_syminfo_offset;
|
||
unsigned int dynamic_syminfo_nent;
|
||
char program_interpreter [64];
|
||
int dynamic_info[DT_JMPREL + 1];
|
||
int version_info[16];
|
||
int loadaddr = 0;
|
||
Elf_Internal_Ehdr elf_header;
|
||
Elf_Internal_Shdr * section_headers;
|
||
Elf_Internal_Dyn * dynamic_segment;
|
||
Elf_Internal_Shdr * symtab_shndx_hdr;
|
||
int show_name;
|
||
int do_dynamic;
|
||
int do_syms;
|
||
int do_reloc;
|
||
int do_sections;
|
||
int do_segments;
|
||
int do_unwind;
|
||
int do_using_dynamic;
|
||
int do_header;
|
||
int do_dump;
|
||
int do_version;
|
||
int do_wide;
|
||
int do_histogram;
|
||
int do_debugging;
|
||
int do_debug_info;
|
||
int do_debug_abbrevs;
|
||
int do_debug_lines;
|
||
int do_debug_pubnames;
|
||
int do_debug_aranges;
|
||
int do_debug_frames;
|
||
int do_debug_frames_interp;
|
||
int do_debug_macinfo;
|
||
int do_debug_str;
|
||
int do_arch;
|
||
int do_notes;
|
||
int is_32bit_elf;
|
||
|
||
/* A dynamic array of flags indicating which sections require dumping. */
|
||
char * dump_sects = NULL;
|
||
unsigned int num_dump_sects = 0;
|
||
|
||
#define HEX_DUMP (1 << 0)
|
||
#define DISASS_DUMP (1 << 1)
|
||
#define DEBUG_DUMP (1 << 2)
|
||
|
||
/* How to rpint a vma value. */
|
||
typedef enum print_mode
|
||
{
|
||
HEX,
|
||
DEC,
|
||
DEC_5,
|
||
UNSIGNED,
|
||
PREFIX_HEX,
|
||
FULL_HEX,
|
||
LONG_HEX
|
||
}
|
||
print_mode;
|
||
|
||
/* Forward declarations for dumb compilers. */
|
||
static void print_vma PARAMS ((bfd_vma, print_mode));
|
||
static void print_symbol PARAMS ((int, char *));
|
||
static bfd_vma (* byte_get) PARAMS ((unsigned char *, int));
|
||
static bfd_vma byte_get_little_endian PARAMS ((unsigned char *, int));
|
||
static bfd_vma byte_get_big_endian PARAMS ((unsigned char *, int));
|
||
static const char * get_mips_dynamic_type PARAMS ((unsigned long));
|
||
static const char * get_sparc64_dynamic_type PARAMS ((unsigned long));
|
||
static const char * get_ppc64_dynamic_type PARAMS ((unsigned long));
|
||
static const char * get_parisc_dynamic_type PARAMS ((unsigned long));
|
||
static const char * get_dynamic_type PARAMS ((unsigned long));
|
||
static int slurp_rela_relocs PARAMS ((FILE *, unsigned long, unsigned long, Elf_Internal_Rela **, unsigned long *));
|
||
static int slurp_rel_relocs PARAMS ((FILE *, unsigned long, unsigned long, Elf_Internal_Rel **, unsigned long *));
|
||
static int dump_relocations PARAMS ((FILE *, unsigned long, unsigned long, Elf_Internal_Sym *, unsigned long, char *, int));
|
||
static char * get_file_type PARAMS ((unsigned));
|
||
static char * get_machine_name PARAMS ((unsigned));
|
||
static void decode_ARM_machine_flags PARAMS ((unsigned, char []));
|
||
static char * get_machine_flags PARAMS ((unsigned, unsigned));
|
||
static const char * get_mips_segment_type PARAMS ((unsigned long));
|
||
static const char * get_parisc_segment_type PARAMS ((unsigned long));
|
||
static const char * get_ia64_segment_type PARAMS ((unsigned long));
|
||
static const char * get_segment_type PARAMS ((unsigned long));
|
||
static const char * get_mips_section_type_name PARAMS ((unsigned int));
|
||
static const char * get_parisc_section_type_name PARAMS ((unsigned int));
|
||
static const char * get_ia64_section_type_name PARAMS ((unsigned int));
|
||
static const char * get_section_type_name PARAMS ((unsigned int));
|
||
static const char * get_symbol_binding PARAMS ((unsigned int));
|
||
static const char * get_symbol_type PARAMS ((unsigned int));
|
||
static const char * get_symbol_visibility PARAMS ((unsigned int));
|
||
static const char * get_symbol_index_type PARAMS ((unsigned int));
|
||
static const char * get_dynamic_flags PARAMS ((bfd_vma));
|
||
static void usage PARAMS ((void));
|
||
static void parse_args PARAMS ((int, char **));
|
||
static int process_file_header PARAMS ((void));
|
||
static int process_program_headers PARAMS ((FILE *));
|
||
static int process_section_headers PARAMS ((FILE *));
|
||
static int process_unwind PARAMS ((FILE *));
|
||
static void dynamic_segment_mips_val PARAMS ((Elf_Internal_Dyn *));
|
||
static void dynamic_segment_parisc_val PARAMS ((Elf_Internal_Dyn *));
|
||
static int process_dynamic_segment PARAMS ((FILE *));
|
||
static int process_symbol_table PARAMS ((FILE *));
|
||
static int process_syminfo PARAMS ((FILE *));
|
||
static int process_section_contents PARAMS ((FILE *));
|
||
static void process_mips_fpe_exception PARAMS ((int));
|
||
static int process_mips_specific PARAMS ((FILE *));
|
||
static int process_file PARAMS ((char *));
|
||
static int process_relocs PARAMS ((FILE *));
|
||
static int process_version_sections PARAMS ((FILE *));
|
||
static char * get_ver_flags PARAMS ((unsigned int));
|
||
static int get_32bit_section_headers PARAMS ((FILE *, unsigned int));
|
||
static int get_64bit_section_headers PARAMS ((FILE *, unsigned int));
|
||
static int get_32bit_program_headers PARAMS ((FILE *, Elf_Internal_Phdr *));
|
||
static int get_64bit_program_headers PARAMS ((FILE *, Elf_Internal_Phdr *));
|
||
static int get_file_header PARAMS ((FILE *));
|
||
static Elf_Internal_Sym * get_32bit_elf_symbols PARAMS ((FILE *, Elf_Internal_Shdr *));
|
||
static Elf_Internal_Sym * get_64bit_elf_symbols PARAMS ((FILE *, Elf_Internal_Shdr *));
|
||
static const char * get_elf_section_flags PARAMS ((bfd_vma));
|
||
static int * get_dynamic_data PARAMS ((FILE *, unsigned int));
|
||
static int get_32bit_dynamic_segment PARAMS ((FILE *));
|
||
static int get_64bit_dynamic_segment PARAMS ((FILE *));
|
||
#ifdef SUPPORT_DISASSEMBLY
|
||
static int disassemble_section PARAMS ((Elf32_Internal_Shdr *, FILE *));
|
||
#endif
|
||
static int dump_section PARAMS ((Elf32_Internal_Shdr *, FILE *));
|
||
static int display_debug_section PARAMS ((Elf32_Internal_Shdr *, FILE *));
|
||
static int display_debug_info PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
|
||
static int display_debug_not_supported PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
|
||
static int prescan_debug_info PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
|
||
static int display_debug_lines PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
|
||
static int display_debug_pubnames PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
|
||
static int display_debug_abbrev PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
|
||
static int display_debug_aranges PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
|
||
static int display_debug_frames PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
|
||
static int display_debug_macinfo PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
|
||
static int display_debug_str PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
|
||
static unsigned char * process_abbrev_section PARAMS ((unsigned char *, unsigned char *));
|
||
static void load_debug_str PARAMS ((FILE *));
|
||
static void free_debug_str PARAMS ((void));
|
||
static const char * fetch_indirect_string PARAMS ((unsigned long));
|
||
static unsigned long read_leb128 PARAMS ((unsigned char *, int *, int));
|
||
static int process_extended_line_op PARAMS ((unsigned char *, int, int));
|
||
static void reset_state_machine PARAMS ((int));
|
||
static char * get_TAG_name PARAMS ((unsigned long));
|
||
static char * get_AT_name PARAMS ((unsigned long));
|
||
static char * get_FORM_name PARAMS ((unsigned long));
|
||
static void free_abbrevs PARAMS ((void));
|
||
static void add_abbrev PARAMS ((unsigned long, unsigned long, int));
|
||
static void add_abbrev_attr PARAMS ((unsigned long, unsigned long));
|
||
static unsigned char * read_and_display_attr PARAMS ((unsigned long, unsigned long, unsigned char *, unsigned long, unsigned long));
|
||
static unsigned char * read_and_display_attr_value PARAMS ((unsigned long, unsigned long, unsigned char *, unsigned long, unsigned long));
|
||
static unsigned char * display_block PARAMS ((unsigned char *, unsigned long));
|
||
static void decode_location_expression PARAMS ((unsigned char *, unsigned int, unsigned long));
|
||
static void request_dump PARAMS ((unsigned int, int));
|
||
static const char * get_elf_class PARAMS ((unsigned int));
|
||
static const char * get_data_encoding PARAMS ((unsigned int));
|
||
static const char * get_osabi_name PARAMS ((unsigned int));
|
||
static int guess_is_rela PARAMS ((unsigned long));
|
||
static const char * get_note_type PARAMS ((unsigned int));
|
||
static const char * get_netbsd_elfcore_note_type PARAMS ((unsigned int));
|
||
static int process_note PARAMS ((Elf32_Internal_Note *));
|
||
static int process_corefile_note_segment PARAMS ((FILE *, bfd_vma, bfd_vma));
|
||
static int process_corefile_note_segments PARAMS ((FILE *));
|
||
static int process_corefile_contents PARAMS ((FILE *));
|
||
static int process_arch_specific PARAMS ((FILE *));
|
||
|
||
typedef int Elf32_Word;
|
||
|
||
#ifndef TRUE
|
||
#define TRUE 1
|
||
#define FALSE 0
|
||
#endif
|
||
#define UNKNOWN -1
|
||
|
||
#define SECTION_NAME(X) ((X) == NULL ? "<none>" : \
|
||
((X)->sh_name >= string_table_length \
|
||
? "<corrupt>" : string_table + (X)->sh_name))
|
||
|
||
/* Given st_shndx I, map to section_headers index. */
|
||
#define SECTION_HEADER_INDEX(I) \
|
||
((I) < SHN_LORESERVE \
|
||
? (I) \
|
||
: ((I) <= SHN_HIRESERVE \
|
||
? 0 \
|
||
: (I) - (SHN_HIRESERVE + 1 - SHN_LORESERVE)))
|
||
|
||
/* Reverse of the above. */
|
||
#define SECTION_HEADER_NUM(N) \
|
||
((N) < SHN_LORESERVE \
|
||
? (N) \
|
||
: (N) + (SHN_HIRESERVE + 1 - SHN_LORESERVE))
|
||
|
||
#define SECTION_HEADER(I) (section_headers + SECTION_HEADER_INDEX (I))
|
||
|
||
#define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */
|
||
|
||
#define BYTE_GET(field) byte_get (field, sizeof (field))
|
||
|
||
/* If we can support a 64 bit data type then BFD64 should be defined
|
||
and sizeof (bfd_vma) == 8. In this case when translating from an
|
||
external 8 byte field to an internal field, we can assume that the
|
||
internal field is also 8 bytes wide and so we can extract all the data.
|
||
If, however, BFD64 is not defined, then we must assume that the
|
||
internal data structure only has 4 byte wide fields that are the
|
||
equivalent of the 8 byte wide external counterparts, and so we must
|
||
truncate the data. */
|
||
#ifdef BFD64
|
||
#define BYTE_GET8(field) byte_get (field, -8)
|
||
#else
|
||
#define BYTE_GET8(field) byte_get (field, 8)
|
||
#endif
|
||
|
||
#define NUM_ELEM(array) (sizeof (array) / sizeof ((array)[0]))
|
||
|
||
#define GET_ELF_SYMBOLS(file, section) \
|
||
(is_32bit_elf ? get_32bit_elf_symbols (file, section) \
|
||
: get_64bit_elf_symbols (file, section))
|
||
|
||
|
||
static void
|
||
error VPARAMS ((const char *message, ...))
|
||
{
|
||
VA_OPEN (args, message);
|
||
VA_FIXEDARG (args, const char *, message);
|
||
|
||
fprintf (stderr, _("%s: Error: "), program_name);
|
||
vfprintf (stderr, message, args);
|
||
VA_CLOSE (args);
|
||
}
|
||
|
||
static void
|
||
warn VPARAMS ((const char *message, ...))
|
||
{
|
||
VA_OPEN (args, message);
|
||
VA_FIXEDARG (args, const char *, message);
|
||
|
||
fprintf (stderr, _("%s: Warning: "), program_name);
|
||
vfprintf (stderr, message, args);
|
||
VA_CLOSE (args);
|
||
}
|
||
|
||
static PTR get_data PARAMS ((PTR, FILE *, long, size_t, const char *));
|
||
|
||
static PTR
|
||
get_data (var, file, offset, size, reason)
|
||
PTR var;
|
||
FILE *file;
|
||
long offset;
|
||
size_t size;
|
||
const char *reason;
|
||
{
|
||
PTR mvar;
|
||
|
||
if (size == 0)
|
||
return NULL;
|
||
|
||
if (fseek (file, offset, SEEK_SET))
|
||
{
|
||
error (_("Unable to seek to %x for %s\n"), offset, reason);
|
||
return NULL;
|
||
}
|
||
|
||
mvar = var;
|
||
if (mvar == NULL)
|
||
{
|
||
mvar = (PTR) malloc (size);
|
||
|
||
if (mvar == NULL)
|
||
{
|
||
error (_("Out of memory allocating %d bytes for %s\n"),
|
||
size, reason);
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
if (fread (mvar, size, 1, file) != 1)
|
||
{
|
||
error (_("Unable to read in %d bytes of %s\n"), size, reason);
|
||
if (mvar != var)
|
||
free (mvar);
|
||
return NULL;
|
||
}
|
||
|
||
return mvar;
|
||
}
|
||
|
||
static bfd_vma
|
||
byte_get_little_endian (field, size)
|
||
unsigned char * field;
|
||
int size;
|
||
{
|
||
switch (size)
|
||
{
|
||
case 1:
|
||
return * field;
|
||
|
||
case 2:
|
||
return ((unsigned int) (field [0]))
|
||
| (((unsigned int) (field [1])) << 8);
|
||
|
||
#ifndef BFD64
|
||
case 8:
|
||
/* We want to extract data from an 8 byte wide field and
|
||
place it into a 4 byte wide field. Since this is a little
|
||
endian source we can juts use the 4 byte extraction code. */
|
||
/* Fall through. */
|
||
#endif
|
||
case 4:
|
||
return ((unsigned long) (field [0]))
|
||
| (((unsigned long) (field [1])) << 8)
|
||
| (((unsigned long) (field [2])) << 16)
|
||
| (((unsigned long) (field [3])) << 24);
|
||
|
||
#ifdef BFD64
|
||
case 8:
|
||
case -8:
|
||
/* This is a special case, generated by the BYTE_GET8 macro.
|
||
It means that we are loading an 8 byte value from a field
|
||
in an external structure into an 8 byte value in a field
|
||
in an internal strcuture. */
|
||
return ((bfd_vma) (field [0]))
|
||
| (((bfd_vma) (field [1])) << 8)
|
||
| (((bfd_vma) (field [2])) << 16)
|
||
| (((bfd_vma) (field [3])) << 24)
|
||
| (((bfd_vma) (field [4])) << 32)
|
||
| (((bfd_vma) (field [5])) << 40)
|
||
| (((bfd_vma) (field [6])) << 48)
|
||
| (((bfd_vma) (field [7])) << 56);
|
||
#endif
|
||
default:
|
||
error (_("Unhandled data length: %d\n"), size);
|
||
abort ();
|
||
}
|
||
}
|
||
|
||
/* Print a VMA value. */
|
||
static void
|
||
print_vma (vma, mode)
|
||
bfd_vma vma;
|
||
print_mode mode;
|
||
{
|
||
#ifdef BFD64
|
||
if (is_32bit_elf)
|
||
#endif
|
||
{
|
||
switch (mode)
|
||
{
|
||
case FULL_HEX: printf ("0x"); /* drop through */
|
||
case LONG_HEX: printf ("%8.8lx", (unsigned long) vma); break;
|
||
case PREFIX_HEX: printf ("0x"); /* drop through */
|
||
case HEX: printf ("%lx", (unsigned long) vma); break;
|
||
case DEC: printf ("%ld", (unsigned long) vma); break;
|
||
case DEC_5: printf ("%5ld", (long) vma); break;
|
||
case UNSIGNED: printf ("%lu", (unsigned long) vma); break;
|
||
}
|
||
}
|
||
#ifdef BFD64
|
||
else
|
||
{
|
||
switch (mode)
|
||
{
|
||
case FULL_HEX:
|
||
printf ("0x");
|
||
/* drop through */
|
||
|
||
case LONG_HEX:
|
||
printf_vma (vma);
|
||
break;
|
||
|
||
case PREFIX_HEX:
|
||
printf ("0x");
|
||
/* drop through */
|
||
|
||
case HEX:
|
||
#if BFD_HOST_64BIT_LONG
|
||
printf ("%lx", vma);
|
||
#else
|
||
if (_bfd_int64_high (vma))
|
||
printf ("%lx%8.8lx", _bfd_int64_high (vma), _bfd_int64_low (vma));
|
||
else
|
||
printf ("%lx", _bfd_int64_low (vma));
|
||
#endif
|
||
break;
|
||
|
||
case DEC:
|
||
#if BFD_HOST_64BIT_LONG
|
||
printf ("%ld", vma);
|
||
#else
|
||
if (_bfd_int64_high (vma))
|
||
/* ugg */
|
||
printf ("++%ld", _bfd_int64_low (vma));
|
||
else
|
||
printf ("%ld", _bfd_int64_low (vma));
|
||
#endif
|
||
break;
|
||
|
||
case DEC_5:
|
||
#if BFD_HOST_64BIT_LONG
|
||
printf ("%5ld", vma);
|
||
#else
|
||
if (_bfd_int64_high (vma))
|
||
/* ugg */
|
||
printf ("++%ld", _bfd_int64_low (vma));
|
||
else
|
||
printf ("%5ld", _bfd_int64_low (vma));
|
||
#endif
|
||
break;
|
||
|
||
case UNSIGNED:
|
||
#if BFD_HOST_64BIT_LONG
|
||
printf ("%lu", vma);
|
||
#else
|
||
if (_bfd_int64_high (vma))
|
||
/* ugg */
|
||
printf ("++%lu", _bfd_int64_low (vma));
|
||
else
|
||
printf ("%lu", _bfd_int64_low (vma));
|
||
#endif
|
||
break;
|
||
}
|
||
}
|
||
#endif
|
||
}
|
||
|
||
/* Display a symbol on stdout. If do_wide is not true then
|
||
format the symbol to be at most WIDTH characters,
|
||
truhncating as necessary. If WIDTH is negative then
|
||
format the string to be exactly - WIDTH characters,
|
||
truncating or padding as necessary. */
|
||
|
||
static void
|
||
print_symbol (width, symbol)
|
||
int width;
|
||
char * symbol;
|
||
{
|
||
if (do_wide)
|
||
printf (symbol);
|
||
else if (width < 0)
|
||
printf ("%-*.*s", width, width, symbol);
|
||
else
|
||
printf ("%-.*s", width, symbol);
|
||
}
|
||
|
||
static bfd_vma
|
||
byte_get_big_endian (field, size)
|
||
unsigned char * field;
|
||
int size;
|
||
{
|
||
switch (size)
|
||
{
|
||
case 1:
|
||
return * field;
|
||
|
||
case 2:
|
||
return ((unsigned int) (field [1])) | (((int) (field [0])) << 8);
|
||
|
||
case 4:
|
||
return ((unsigned long) (field [3]))
|
||
| (((unsigned long) (field [2])) << 8)
|
||
| (((unsigned long) (field [1])) << 16)
|
||
| (((unsigned long) (field [0])) << 24);
|
||
|
||
#ifndef BFD64
|
||
case 8:
|
||
/* Although we are extracing data from an 8 byte wide field, we
|
||
are returning only 4 bytes of data. */
|
||
return ((unsigned long) (field [7]))
|
||
| (((unsigned long) (field [6])) << 8)
|
||
| (((unsigned long) (field [5])) << 16)
|
||
| (((unsigned long) (field [4])) << 24);
|
||
#else
|
||
case 8:
|
||
case -8:
|
||
/* This is a special case, generated by the BYTE_GET8 macro.
|
||
It means that we are loading an 8 byte value from a field
|
||
in an external structure into an 8 byte value in a field
|
||
in an internal strcuture. */
|
||
return ((bfd_vma) (field [7]))
|
||
| (((bfd_vma) (field [6])) << 8)
|
||
| (((bfd_vma) (field [5])) << 16)
|
||
| (((bfd_vma) (field [4])) << 24)
|
||
| (((bfd_vma) (field [3])) << 32)
|
||
| (((bfd_vma) (field [2])) << 40)
|
||
| (((bfd_vma) (field [1])) << 48)
|
||
| (((bfd_vma) (field [0])) << 56);
|
||
#endif
|
||
|
||
default:
|
||
error (_("Unhandled data length: %d\n"), size);
|
||
abort ();
|
||
}
|
||
}
|
||
|
||
/* Guess the relocation size commonly used by the specific machines. */
|
||
|
||
static int
|
||
guess_is_rela (e_machine)
|
||
unsigned long e_machine;
|
||
{
|
||
switch (e_machine)
|
||
{
|
||
/* Targets that use REL relocations. */
|
||
case EM_ARM:
|
||
case EM_386:
|
||
case EM_486:
|
||
case EM_960:
|
||
case EM_OPENRISC:
|
||
case EM_OR32:
|
||
case EM_M32R:
|
||
case EM_CYGNUS_M32R:
|
||
case EM_D10V:
|
||
case EM_CYGNUS_D10V:
|
||
case EM_MIPS:
|
||
case EM_MIPS_RS3_LE:
|
||
return FALSE;
|
||
|
||
/* Targets that use RELA relocations. */
|
||
case EM_68K:
|
||
case EM_H8_300:
|
||
case EM_H8_300H:
|
||
case EM_H8S:
|
||
case EM_SPARC32PLUS:
|
||
case EM_SPARCV9:
|
||
case EM_SPARC:
|
||
case EM_PPC:
|
||
case EM_PPC64:
|
||
case EM_V850:
|
||
case EM_CYGNUS_V850:
|
||
case EM_D30V:
|
||
case EM_CYGNUS_D30V:
|
||
case EM_MN10200:
|
||
case EM_CYGNUS_MN10200:
|
||
case EM_MN10300:
|
||
case EM_CYGNUS_MN10300:
|
||
case EM_FR30:
|
||
case EM_CYGNUS_FR30:
|
||
case EM_SH:
|
||
case EM_ALPHA:
|
||
case EM_MCORE:
|
||
case EM_IA_64:
|
||
case EM_AVR:
|
||
case EM_AVR_OLD:
|
||
case EM_CRIS:
|
||
case EM_860:
|
||
case EM_X86_64:
|
||
case EM_S390:
|
||
case EM_S390_OLD:
|
||
case EM_MMIX:
|
||
case EM_XSTORMY16:
|
||
return TRUE;
|
||
|
||
case EM_MMA:
|
||
case EM_PCP:
|
||
case EM_NCPU:
|
||
case EM_NDR1:
|
||
case EM_STARCORE:
|
||
case EM_ME16:
|
||
case EM_ST100:
|
||
case EM_TINYJ:
|
||
case EM_FX66:
|
||
case EM_ST9PLUS:
|
||
case EM_ST7:
|
||
case EM_68HC16:
|
||
case EM_68HC11:
|
||
case EM_68HC08:
|
||
case EM_68HC05:
|
||
case EM_SVX:
|
||
case EM_ST19:
|
||
case EM_VAX:
|
||
default:
|
||
warn (_("Don't know about relocations on this machine architecture\n"));
|
||
return FALSE;
|
||
}
|
||
}
|
||
|
||
static int
|
||
slurp_rela_relocs (file, rel_offset, rel_size, relasp, nrelasp)
|
||
FILE *file;
|
||
unsigned long rel_offset;
|
||
unsigned long rel_size;
|
||
Elf_Internal_Rela **relasp;
|
||
unsigned long *nrelasp;
|
||
{
|
||
Elf_Internal_Rela *relas;
|
||
unsigned long nrelas;
|
||
unsigned int i;
|
||
|
||
if (is_32bit_elf)
|
||
{
|
||
Elf32_External_Rela * erelas;
|
||
|
||
erelas = (Elf32_External_Rela *) get_data (NULL, file, rel_offset,
|
||
rel_size, _("relocs"));
|
||
if (!erelas)
|
||
return 0;
|
||
|
||
nrelas = rel_size / sizeof (Elf32_External_Rela);
|
||
|
||
relas = (Elf_Internal_Rela *)
|
||
malloc (nrelas * sizeof (Elf_Internal_Rela));
|
||
|
||
if (relas == NULL)
|
||
{
|
||
error(_("out of memory parsing relocs"));
|
||
return 0;
|
||
}
|
||
|
||
for (i = 0; i < nrelas; i++)
|
||
{
|
||
relas[i].r_offset = BYTE_GET (erelas[i].r_offset);
|
||
relas[i].r_info = BYTE_GET (erelas[i].r_info);
|
||
relas[i].r_addend = BYTE_GET (erelas[i].r_addend);
|
||
}
|
||
|
||
free (erelas);
|
||
}
|
||
else
|
||
{
|
||
Elf64_External_Rela * erelas;
|
||
|
||
erelas = (Elf64_External_Rela *) get_data (NULL, file, rel_offset,
|
||
rel_size, _("relocs"));
|
||
if (!erelas)
|
||
return 0;
|
||
|
||
nrelas = rel_size / sizeof (Elf64_External_Rela);
|
||
|
||
relas = (Elf_Internal_Rela *)
|
||
malloc (nrelas * sizeof (Elf_Internal_Rela));
|
||
|
||
if (relas == NULL)
|
||
{
|
||
error(_("out of memory parsing relocs"));
|
||
return 0;
|
||
}
|
||
|
||
for (i = 0; i < nrelas; i++)
|
||
{
|
||
relas[i].r_offset = BYTE_GET8 (erelas[i].r_offset);
|
||
relas[i].r_info = BYTE_GET8 (erelas[i].r_info);
|
||
relas[i].r_addend = BYTE_GET8 (erelas[i].r_addend);
|
||
}
|
||
|
||
free (erelas);
|
||
}
|
||
*relasp = relas;
|
||
*nrelasp = nrelas;
|
||
return 1;
|
||
}
|
||
|
||
static int
|
||
slurp_rel_relocs (file, rel_offset, rel_size, relsp, nrelsp)
|
||
FILE *file;
|
||
unsigned long rel_offset;
|
||
unsigned long rel_size;
|
||
Elf_Internal_Rel **relsp;
|
||
unsigned long *nrelsp;
|
||
{
|
||
Elf_Internal_Rel *rels;
|
||
unsigned long nrels;
|
||
unsigned int i;
|
||
|
||
if (is_32bit_elf)
|
||
{
|
||
Elf32_External_Rel * erels;
|
||
|
||
erels = (Elf32_External_Rel *) get_data (NULL, file, rel_offset,
|
||
rel_size, _("relocs"));
|
||
if (!erels)
|
||
return 0;
|
||
|
||
nrels = rel_size / sizeof (Elf32_External_Rel);
|
||
|
||
rels = (Elf_Internal_Rel *) malloc (nrels * sizeof (Elf_Internal_Rel));
|
||
|
||
if (rels == NULL)
|
||
{
|
||
error(_("out of memory parsing relocs"));
|
||
return 0;
|
||
}
|
||
|
||
for (i = 0; i < nrels; i++)
|
||
{
|
||
rels[i].r_offset = BYTE_GET (erels[i].r_offset);
|
||
rels[i].r_info = BYTE_GET (erels[i].r_info);
|
||
}
|
||
|
||
free (erels);
|
||
}
|
||
else
|
||
{
|
||
Elf64_External_Rel * erels;
|
||
|
||
erels = (Elf64_External_Rel *) get_data (NULL, file, rel_offset,
|
||
rel_size, _("relocs"));
|
||
if (!erels)
|
||
return 0;
|
||
|
||
nrels = rel_size / sizeof (Elf64_External_Rel);
|
||
|
||
rels = (Elf_Internal_Rel *) malloc (nrels * sizeof (Elf_Internal_Rel));
|
||
|
||
if (rels == NULL)
|
||
{
|
||
error(_("out of memory parsing relocs"));
|
||
return 0;
|
||
}
|
||
|
||
for (i = 0; i < nrels; i++)
|
||
{
|
||
rels[i].r_offset = BYTE_GET8 (erels[i].r_offset);
|
||
rels[i].r_info = BYTE_GET8 (erels[i].r_info);
|
||
}
|
||
|
||
free (erels);
|
||
}
|
||
*relsp = rels;
|
||
*nrelsp = nrels;
|
||
return 1;
|
||
}
|
||
|
||
/* Display the contents of the relocation data found at the specified offset. */
|
||
static int
|
||
dump_relocations (file, rel_offset, rel_size, symtab, nsyms, strtab, is_rela)
|
||
FILE * file;
|
||
unsigned long rel_offset;
|
||
unsigned long rel_size;
|
||
Elf_Internal_Sym * symtab;
|
||
unsigned long nsyms;
|
||
char * strtab;
|
||
int is_rela;
|
||
{
|
||
unsigned int i;
|
||
Elf_Internal_Rel * rels;
|
||
Elf_Internal_Rela * relas;
|
||
|
||
|
||
if (is_rela == UNKNOWN)
|
||
is_rela = guess_is_rela (elf_header.e_machine);
|
||
|
||
if (is_rela)
|
||
{
|
||
if (!slurp_rela_relocs (file, rel_offset, rel_size, &relas, &rel_size))
|
||
return 0;
|
||
}
|
||
else
|
||
{
|
||
if (!slurp_rel_relocs (file, rel_offset, rel_size, &rels, &rel_size))
|
||
return 0;
|
||
}
|
||
|
||
if (is_32bit_elf)
|
||
{
|
||
if (is_rela)
|
||
printf
|
||
(_(" Offset Info Type Symbol's Value Symbol's Name Addend\n"));
|
||
else
|
||
printf
|
||
(_(" Offset Info Type Symbol's Value Symbol's Name\n"));
|
||
}
|
||
else
|
||
{
|
||
if (is_rela)
|
||
printf
|
||
(_(" Offset Info Type Symbol's Value Symbol's Name Addend\n"));
|
||
else
|
||
printf
|
||
(_(" Offset Info Type Symbol's Value Symbol's Name\n"));
|
||
}
|
||
|
||
for (i = 0; i < rel_size; i++)
|
||
{
|
||
const char * rtype;
|
||
bfd_vma offset;
|
||
bfd_vma info;
|
||
bfd_vma symtab_index;
|
||
bfd_vma type;
|
||
|
||
if (is_rela)
|
||
{
|
||
offset = relas [i].r_offset;
|
||
info = relas [i].r_info;
|
||
}
|
||
else
|
||
{
|
||
offset = rels [i].r_offset;
|
||
info = rels [i].r_info;
|
||
}
|
||
|
||
if (is_32bit_elf)
|
||
{
|
||
type = ELF32_R_TYPE (info);
|
||
symtab_index = ELF32_R_SYM (info);
|
||
}
|
||
else
|
||
{
|
||
if (elf_header.e_machine == EM_SPARCV9)
|
||
type = ELF64_R_TYPE_ID (info);
|
||
else
|
||
type = ELF64_R_TYPE (info);
|
||
/* The #ifdef BFD64 below is to prevent a compile time warning.
|
||
We know that if we do not have a 64 bit data type that we
|
||
will never execute this code anyway. */
|
||
#ifdef BFD64
|
||
symtab_index = ELF64_R_SYM (info);
|
||
#endif
|
||
}
|
||
|
||
if (is_32bit_elf)
|
||
{
|
||
#ifdef _bfd_int64_low
|
||
printf ("%8.8lx %8.8lx ", _bfd_int64_low (offset), _bfd_int64_low (info));
|
||
#else
|
||
printf ("%8.8lx %8.8lx ", offset, info);
|
||
#endif
|
||
}
|
||
else
|
||
{
|
||
#ifdef _bfd_int64_low
|
||
printf ("%8.8lx%8.8lx %8.8lx%8.8lx ",
|
||
_bfd_int64_high (offset),
|
||
_bfd_int64_low (offset),
|
||
_bfd_int64_high (info),
|
||
_bfd_int64_low (info));
|
||
#else
|
||
printf ("%16.16lx %16.16lx ", offset, info);
|
||
#endif
|
||
}
|
||
|
||
switch (elf_header.e_machine)
|
||
{
|
||
default:
|
||
rtype = NULL;
|
||
break;
|
||
|
||
case EM_M32R:
|
||
case EM_CYGNUS_M32R:
|
||
rtype = elf_m32r_reloc_type (type);
|
||
break;
|
||
|
||
case EM_386:
|
||
case EM_486:
|
||
rtype = elf_i386_reloc_type (type);
|
||
break;
|
||
|
||
case EM_68K:
|
||
rtype = elf_m68k_reloc_type (type);
|
||
break;
|
||
|
||
case EM_960:
|
||
rtype = elf_i960_reloc_type (type);
|
||
break;
|
||
|
||
case EM_AVR:
|
||
case EM_AVR_OLD:
|
||
rtype = elf_avr_reloc_type (type);
|
||
break;
|
||
|
||
case EM_OLD_SPARCV9:
|
||
case EM_SPARC32PLUS:
|
||
case EM_SPARCV9:
|
||
case EM_SPARC:
|
||
rtype = elf_sparc_reloc_type (type);
|
||
break;
|
||
|
||
case EM_V850:
|
||
case EM_CYGNUS_V850:
|
||
rtype = v850_reloc_type (type);
|
||
break;
|
||
|
||
case EM_D10V:
|
||
case EM_CYGNUS_D10V:
|
||
rtype = elf_d10v_reloc_type (type);
|
||
break;
|
||
|
||
case EM_D30V:
|
||
case EM_CYGNUS_D30V:
|
||
rtype = elf_d30v_reloc_type (type);
|
||
break;
|
||
|
||
case EM_SH:
|
||
rtype = elf_sh_reloc_type (type);
|
||
break;
|
||
|
||
case EM_MN10300:
|
||
case EM_CYGNUS_MN10300:
|
||
rtype = elf_mn10300_reloc_type (type);
|
||
break;
|
||
|
||
case EM_MN10200:
|
||
case EM_CYGNUS_MN10200:
|
||
rtype = elf_mn10200_reloc_type (type);
|
||
break;
|
||
|
||
case EM_FR30:
|
||
case EM_CYGNUS_FR30:
|
||
rtype = elf_fr30_reloc_type (type);
|
||
break;
|
||
|
||
case EM_MCORE:
|
||
rtype = elf_mcore_reloc_type (type);
|
||
break;
|
||
|
||
case EM_MMIX:
|
||
rtype = elf_mmix_reloc_type (type);
|
||
break;
|
||
|
||
case EM_PPC:
|
||
case EM_PPC64:
|
||
rtype = elf_ppc_reloc_type (type);
|
||
break;
|
||
|
||
case EM_MIPS:
|
||
case EM_MIPS_RS3_LE:
|
||
rtype = elf_mips_reloc_type (type);
|
||
break;
|
||
|
||
case EM_ALPHA:
|
||
rtype = elf_alpha_reloc_type (type);
|
||
break;
|
||
|
||
case EM_ARM:
|
||
rtype = elf_arm_reloc_type (type);
|
||
break;
|
||
|
||
case EM_ARC:
|
||
rtype = elf_arc_reloc_type (type);
|
||
break;
|
||
|
||
case EM_PARISC:
|
||
rtype = elf_hppa_reloc_type (type);
|
||
break;
|
||
|
||
case EM_H8_300:
|
||
case EM_H8_300H:
|
||
case EM_H8S:
|
||
rtype = elf_h8_reloc_type (type);
|
||
break;
|
||
|
||
case EM_OPENRISC:
|
||
case EM_OR32:
|
||
rtype = elf_or32_reloc_type (type);
|
||
break;
|
||
|
||
case EM_PJ:
|
||
case EM_PJ_OLD:
|
||
rtype = elf_pj_reloc_type (type);
|
||
break;
|
||
case EM_IA_64:
|
||
rtype = elf_ia64_reloc_type (type);
|
||
break;
|
||
|
||
case EM_CRIS:
|
||
rtype = elf_cris_reloc_type (type);
|
||
break;
|
||
|
||
case EM_860:
|
||
rtype = elf_i860_reloc_type (type);
|
||
break;
|
||
|
||
case EM_X86_64:
|
||
rtype = elf_x86_64_reloc_type (type);
|
||
break;
|
||
|
||
case EM_S390_OLD:
|
||
case EM_S390:
|
||
rtype = elf_s390_reloc_type (type);
|
||
break;
|
||
|
||
case EM_XSTORMY16:
|
||
rtype = elf_xstormy16_reloc_type (type);
|
||
break;
|
||
}
|
||
|
||
if (rtype == NULL)
|
||
#ifdef _bfd_int64_low
|
||
printf (_("unrecognised: %-7lx"), _bfd_int64_low (type));
|
||
#else
|
||
printf (_("unrecognised: %-7lx"), type);
|
||
#endif
|
||
else
|
||
printf ("%-21.21s", rtype);
|
||
|
||
if (symtab_index)
|
||
{
|
||
if (symtab == NULL || symtab_index >= nsyms)
|
||
printf (" bad symbol index: %08lx", (unsigned long) symtab_index);
|
||
else
|
||
{
|
||
Elf_Internal_Sym * psym;
|
||
|
||
psym = symtab + symtab_index;
|
||
|
||
printf (" ");
|
||
print_vma (psym->st_value, LONG_HEX);
|
||
printf (" ");
|
||
|
||
if (psym->st_name == 0)
|
||
print_symbol (-25, SECTION_NAME (section_headers + psym->st_shndx));
|
||
else if (strtab == NULL)
|
||
printf (_("<string table index %3ld>"), psym->st_name);
|
||
else
|
||
print_symbol (-25, strtab + psym->st_name);
|
||
|
||
if (is_rela)
|
||
printf (" + %lx", (unsigned long) relas [i].r_addend);
|
||
}
|
||
}
|
||
else if (is_rela)
|
||
{
|
||
printf ("%*c", is_32bit_elf ? 34 : 26, ' ');
|
||
print_vma (relas[i].r_addend, LONG_HEX);
|
||
}
|
||
|
||
if (elf_header.e_machine == EM_SPARCV9
|
||
&& !strcmp (rtype, "R_SPARC_OLO10"))
|
||
printf (" + %lx", (unsigned long) ELF64_R_TYPE_DATA (info));
|
||
|
||
putchar ('\n');
|
||
}
|
||
|
||
if (is_rela)
|
||
free (relas);
|
||
else
|
||
free (rels);
|
||
|
||
return 1;
|
||
}
|
||
|
||
static const char *
|
||
get_mips_dynamic_type (type)
|
||
unsigned long type;
|
||
{
|
||
switch (type)
|
||
{
|
||
case DT_MIPS_RLD_VERSION: return "MIPS_RLD_VERSION";
|
||
case DT_MIPS_TIME_STAMP: return "MIPS_TIME_STAMP";
|
||
case DT_MIPS_ICHECKSUM: return "MIPS_ICHECKSUM";
|
||
case DT_MIPS_IVERSION: return "MIPS_IVERSION";
|
||
case DT_MIPS_FLAGS: return "MIPS_FLAGS";
|
||
case DT_MIPS_BASE_ADDRESS: return "MIPS_BASE_ADDRESS";
|
||
case DT_MIPS_MSYM: return "MIPS_MSYM";
|
||
case DT_MIPS_CONFLICT: return "MIPS_CONFLICT";
|
||
case DT_MIPS_LIBLIST: return "MIPS_LIBLIST";
|
||
case DT_MIPS_LOCAL_GOTNO: return "MIPS_LOCAL_GOTNO";
|
||
case DT_MIPS_CONFLICTNO: return "MIPS_CONFLICTNO";
|
||
case DT_MIPS_LIBLISTNO: return "MIPS_LIBLISTNO";
|
||
case DT_MIPS_SYMTABNO: return "MIPS_SYMTABNO";
|
||
case DT_MIPS_UNREFEXTNO: return "MIPS_UNREFEXTNO";
|
||
case DT_MIPS_GOTSYM: return "MIPS_GOTSYM";
|
||
case DT_MIPS_HIPAGENO: return "MIPS_HIPAGENO";
|
||
case DT_MIPS_RLD_MAP: return "MIPS_RLD_MAP";
|
||
case DT_MIPS_DELTA_CLASS: return "MIPS_DELTA_CLASS";
|
||
case DT_MIPS_DELTA_CLASS_NO: return "MIPS_DELTA_CLASS_NO";
|
||
case DT_MIPS_DELTA_INSTANCE: return "MIPS_DELTA_INSTANCE";
|
||
case DT_MIPS_DELTA_INSTANCE_NO: return "MIPS_DELTA_INSTANCE_NO";
|
||
case DT_MIPS_DELTA_RELOC: return "MIPS_DELTA_RELOC";
|
||
case DT_MIPS_DELTA_RELOC_NO: return "MIPS_DELTA_RELOC_NO";
|
||
case DT_MIPS_DELTA_SYM: return "MIPS_DELTA_SYM";
|
||
case DT_MIPS_DELTA_SYM_NO: return "MIPS_DELTA_SYM_NO";
|
||
case DT_MIPS_DELTA_CLASSSYM: return "MIPS_DELTA_CLASSSYM";
|
||
case DT_MIPS_DELTA_CLASSSYM_NO: return "MIPS_DELTA_CLASSSYM_NO";
|
||
case DT_MIPS_CXX_FLAGS: return "MIPS_CXX_FLAGS";
|
||
case DT_MIPS_PIXIE_INIT: return "MIPS_PIXIE_INIT";
|
||
case DT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB";
|
||
case DT_MIPS_LOCALPAGE_GOTIDX: return "MIPS_LOCALPAGE_GOTIDX";
|
||
case DT_MIPS_LOCAL_GOTIDX: return "MIPS_LOCAL_GOTIDX";
|
||
case DT_MIPS_HIDDEN_GOTIDX: return "MIPS_HIDDEN_GOTIDX";
|
||
case DT_MIPS_PROTECTED_GOTIDX: return "MIPS_PROTECTED_GOTIDX";
|
||
case DT_MIPS_OPTIONS: return "MIPS_OPTIONS";
|
||
case DT_MIPS_INTERFACE: return "MIPS_INTERFACE";
|
||
case DT_MIPS_DYNSTR_ALIGN: return "MIPS_DYNSTR_ALIGN";
|
||
case DT_MIPS_INTERFACE_SIZE: return "MIPS_INTERFACE_SIZE";
|
||
case DT_MIPS_RLD_TEXT_RESOLVE_ADDR: return "MIPS_RLD_TEXT_RESOLVE_ADDR";
|
||
case DT_MIPS_PERF_SUFFIX: return "MIPS_PERF_SUFFIX";
|
||
case DT_MIPS_COMPACT_SIZE: return "MIPS_COMPACT_SIZE";
|
||
case DT_MIPS_GP_VALUE: return "MIPS_GP_VALUE";
|
||
case DT_MIPS_AUX_DYNAMIC: return "MIPS_AUX_DYNAMIC";
|
||
default:
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
static const char *
|
||
get_sparc64_dynamic_type (type)
|
||
unsigned long type;
|
||
{
|
||
switch (type)
|
||
{
|
||
case DT_SPARC_REGISTER: return "SPARC_REGISTER";
|
||
default:
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
static const char *
|
||
get_ppc64_dynamic_type (type)
|
||
unsigned long type;
|
||
{
|
||
switch (type)
|
||
{
|
||
case DT_PPC64_GLINK: return "PPC64_GLINK";
|
||
default:
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
static const char *
|
||
get_parisc_dynamic_type (type)
|
||
unsigned long type;
|
||
{
|
||
switch (type)
|
||
{
|
||
case DT_HP_LOAD_MAP: return "HP_LOAD_MAP";
|
||
case DT_HP_DLD_FLAGS: return "HP_DLD_FLAGS";
|
||
case DT_HP_DLD_HOOK: return "HP_DLD_HOOK";
|
||
case DT_HP_UX10_INIT: return "HP_UX10_INIT";
|
||
case DT_HP_UX10_INITSZ: return "HP_UX10_INITSZ";
|
||
case DT_HP_PREINIT: return "HP_PREINIT";
|
||
case DT_HP_PREINITSZ: return "HP_PREINITSZ";
|
||
case DT_HP_NEEDED: return "HP_NEEDED";
|
||
case DT_HP_TIME_STAMP: return "HP_TIME_STAMP";
|
||
case DT_HP_CHECKSUM: return "HP_CHECKSUM";
|
||
case DT_HP_GST_SIZE: return "HP_GST_SIZE";
|
||
case DT_HP_GST_VERSION: return "HP_GST_VERSION";
|
||
case DT_HP_GST_HASHVAL: return "HP_GST_HASHVAL";
|
||
default:
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
static const char *
|
||
get_dynamic_type (type)
|
||
unsigned long type;
|
||
{
|
||
static char buff [32];
|
||
|
||
switch (type)
|
||
{
|
||
case DT_NULL: return "NULL";
|
||
case DT_NEEDED: return "NEEDED";
|
||
case DT_PLTRELSZ: return "PLTRELSZ";
|
||
case DT_PLTGOT: return "PLTGOT";
|
||
case DT_HASH: return "HASH";
|
||
case DT_STRTAB: return "STRTAB";
|
||
case DT_SYMTAB: return "SYMTAB";
|
||
case DT_RELA: return "RELA";
|
||
case DT_RELASZ: return "RELASZ";
|
||
case DT_RELAENT: return "RELAENT";
|
||
case DT_STRSZ: return "STRSZ";
|
||
case DT_SYMENT: return "SYMENT";
|
||
case DT_INIT: return "INIT";
|
||
case DT_FINI: return "FINI";
|
||
case DT_SONAME: return "SONAME";
|
||
case DT_RPATH: return "RPATH";
|
||
case DT_SYMBOLIC: return "SYMBOLIC";
|
||
case DT_REL: return "REL";
|
||
case DT_RELSZ: return "RELSZ";
|
||
case DT_RELENT: return "RELENT";
|
||
case DT_PLTREL: return "PLTREL";
|
||
case DT_DEBUG: return "DEBUG";
|
||
case DT_TEXTREL: return "TEXTREL";
|
||
case DT_JMPREL: return "JMPREL";
|
||
case DT_BIND_NOW: return "BIND_NOW";
|
||
case DT_INIT_ARRAY: return "INIT_ARRAY";
|
||
case DT_FINI_ARRAY: return "FINI_ARRAY";
|
||
case DT_INIT_ARRAYSZ: return "INIT_ARRAYSZ";
|
||
case DT_FINI_ARRAYSZ: return "FINI_ARRAYSZ";
|
||
case DT_RUNPATH: return "RUNPATH";
|
||
case DT_FLAGS: return "FLAGS";
|
||
|
||
case DT_PREINIT_ARRAY: return "PREINIT_ARRAY";
|
||
case DT_PREINIT_ARRAYSZ: return "PREINIT_ARRAYSZ";
|
||
|
||
case DT_CHECKSUM: return "CHECKSUM";
|
||
case DT_PLTPADSZ: return "PLTPADSZ";
|
||
case DT_MOVEENT: return "MOVEENT";
|
||
case DT_MOVESZ: return "MOVESZ";
|
||
case DT_FEATURE: return "FEATURE";
|
||
case DT_POSFLAG_1: return "POSFLAG_1";
|
||
case DT_SYMINSZ: return "SYMINSZ";
|
||
case DT_SYMINENT: return "SYMINENT"; /* aka VALRNGHI */
|
||
|
||
case DT_ADDRRNGLO: return "ADDRRNGLO";
|
||
case DT_CONFIG: return "CONFIG";
|
||
case DT_DEPAUDIT: return "DEPAUDIT";
|
||
case DT_AUDIT: return "AUDIT";
|
||
case DT_PLTPAD: return "PLTPAD";
|
||
case DT_MOVETAB: return "MOVETAB";
|
||
case DT_SYMINFO: return "SYMINFO"; /* aka ADDRRNGHI */
|
||
|
||
case DT_VERSYM: return "VERSYM";
|
||
|
||
case DT_RELACOUNT: return "RELACOUNT";
|
||
case DT_RELCOUNT: return "RELCOUNT";
|
||
case DT_FLAGS_1: return "FLAGS_1";
|
||
case DT_VERDEF: return "VERDEF";
|
||
case DT_VERDEFNUM: return "VERDEFNUM";
|
||
case DT_VERNEED: return "VERNEED";
|
||
case DT_VERNEEDNUM: return "VERNEEDNUM";
|
||
|
||
case DT_AUXILIARY: return "AUXILIARY";
|
||
case DT_USED: return "USED";
|
||
case DT_FILTER: return "FILTER";
|
||
|
||
default:
|
||
if ((type >= DT_LOPROC) && (type <= DT_HIPROC))
|
||
{
|
||
const char * result;
|
||
|
||
switch (elf_header.e_machine)
|
||
{
|
||
case EM_MIPS:
|
||
case EM_MIPS_RS3_LE:
|
||
result = get_mips_dynamic_type (type);
|
||
break;
|
||
case EM_SPARCV9:
|
||
result = get_sparc64_dynamic_type (type);
|
||
break;
|
||
case EM_PPC64:
|
||
result = get_ppc64_dynamic_type (type);
|
||
break;
|
||
default:
|
||
result = NULL;
|
||
break;
|
||
}
|
||
|
||
if (result != NULL)
|
||
return result;
|
||
|
||
sprintf (buff, _("Processor Specific: %lx"), type);
|
||
}
|
||
else if ((type >= DT_LOOS) && (type <= DT_HIOS))
|
||
{
|
||
const char * result;
|
||
|
||
switch (elf_header.e_machine)
|
||
{
|
||
case EM_PARISC:
|
||
result = get_parisc_dynamic_type (type);
|
||
break;
|
||
default:
|
||
result = NULL;
|
||
break;
|
||
}
|
||
|
||
if (result != NULL)
|
||
return result;
|
||
|
||
sprintf (buff, _("Operating System specific: %lx"), type);
|
||
}
|
||
else
|
||
sprintf (buff, _("<unknown>: %lx"), type);
|
||
|
||
return buff;
|
||
}
|
||
}
|
||
|
||
static char *
|
||
get_file_type (e_type)
|
||
unsigned e_type;
|
||
{
|
||
static char buff [32];
|
||
|
||
switch (e_type)
|
||
{
|
||
case ET_NONE: return _("NONE (None)");
|
||
case ET_REL: return _("REL (Relocatable file)");
|
||
case ET_EXEC: return _("EXEC (Executable file)");
|
||
case ET_DYN: return _("DYN (Shared object file)");
|
||
case ET_CORE: return _("CORE (Core file)");
|
||
|
||
default:
|
||
if ((e_type >= ET_LOPROC) && (e_type <= ET_HIPROC))
|
||
sprintf (buff, _("Processor Specific: (%x)"), e_type);
|
||
else if ((e_type >= ET_LOOS) && (e_type <= ET_HIOS))
|
||
sprintf (buff, _("OS Specific: (%x)"), e_type);
|
||
else
|
||
sprintf (buff, _("<unknown>: %x"), e_type);
|
||
return buff;
|
||
}
|
||
}
|
||
|
||
static char *
|
||
get_machine_name (e_machine)
|
||
unsigned e_machine;
|
||
{
|
||
static char buff [64]; /* XXX */
|
||
|
||
switch (e_machine)
|
||
{
|
||
case EM_NONE: return _("None");
|
||
case EM_M32: return "WE32100";
|
||
case EM_SPARC: return "Sparc";
|
||
case EM_386: return "Intel 80386";
|
||
case EM_68K: return "MC68000";
|
||
case EM_88K: return "MC88000";
|
||
case EM_486: return "Intel 80486";
|
||
case EM_860: return "Intel 80860";
|
||
case EM_MIPS: return "MIPS R3000";
|
||
case EM_S370: return "IBM System/370";
|
||
case EM_MIPS_RS3_LE: return "MIPS R4000 big-endian";
|
||
case EM_OLD_SPARCV9: return "Sparc v9 (old)";
|
||
case EM_PARISC: return "HPPA";
|
||
case EM_PPC_OLD: return "Power PC (old)";
|
||
case EM_SPARC32PLUS: return "Sparc v8+" ;
|
||
case EM_960: return "Intel 90860";
|
||
case EM_PPC: return "PowerPC";
|
||
case EM_PPC64: return "PowerPC64";
|
||
case EM_V800: return "NEC V800";
|
||
case EM_FR20: return "Fujitsu FR20";
|
||
case EM_RH32: return "TRW RH32";
|
||
case EM_MCORE: return "MCORE";
|
||
case EM_ARM: return "ARM";
|
||
case EM_OLD_ALPHA: return "Digital Alpha (old)";
|
||
case EM_SH: return "Hitachi SH";
|
||
case EM_SPARCV9: return "Sparc v9";
|
||
case EM_TRICORE: return "Siemens Tricore";
|
||
case EM_ARC: return "ARC";
|
||
case EM_H8_300: return "Hitachi H8/300";
|
||
case EM_H8_300H: return "Hitachi H8/300H";
|
||
case EM_H8S: return "Hitachi H8S";
|
||
case EM_H8_500: return "Hitachi H8/500";
|
||
case EM_IA_64: return "Intel IA-64";
|
||
case EM_MIPS_X: return "Stanford MIPS-X";
|
||
case EM_COLDFIRE: return "Motorola Coldfire";
|
||
case EM_68HC12: return "Motorola M68HC12";
|
||
case EM_ALPHA: return "Alpha";
|
||
case EM_CYGNUS_D10V:
|
||
case EM_D10V: return "d10v";
|
||
case EM_CYGNUS_D30V:
|
||
case EM_D30V: return "d30v";
|
||
case EM_CYGNUS_M32R:
|
||
case EM_M32R: return "Mitsubishi M32r";
|
||
case EM_CYGNUS_V850:
|
||
case EM_V850: return "NEC v850";
|
||
case EM_CYGNUS_MN10300:
|
||
case EM_MN10300: return "mn10300";
|
||
case EM_CYGNUS_MN10200:
|
||
case EM_MN10200: return "mn10200";
|
||
case EM_CYGNUS_FR30:
|
||
case EM_FR30: return "Fujitsu FR30";
|
||
case EM_PJ_OLD:
|
||
case EM_PJ: return "picoJava";
|
||
case EM_MMA: return "Fujitsu Multimedia Accelerator";
|
||
case EM_PCP: return "Siemens PCP";
|
||
case EM_NCPU: return "Sony nCPU embedded RISC processor";
|
||
case EM_NDR1: return "Denso NDR1 microprocesspr";
|
||
case EM_STARCORE: return "Motorola Star*Core processor";
|
||
case EM_ME16: return "Toyota ME16 processor";
|
||
case EM_ST100: return "STMicroelectronics ST100 processor";
|
||
case EM_TINYJ: return "Advanced Logic Corp. TinyJ embedded processor";
|
||
case EM_FX66: return "Siemens FX66 microcontroller";
|
||
case EM_ST9PLUS: return "STMicroelectronics ST9+ 8/16 bit microcontroller";
|
||
case EM_ST7: return "STMicroelectronics ST7 8-bit microcontroller";
|
||
case EM_68HC16: return "Motorola MC68HC16 Microcontroller";
|
||
case EM_68HC11: return "Motorola MC68HC11 Microcontroller";
|
||
case EM_68HC08: return "Motorola MC68HC08 Microcontroller";
|
||
case EM_68HC05: return "Motorola MC68HC05 Microcontroller";
|
||
case EM_SVX: return "Silicon Graphics SVx";
|
||
case EM_ST19: return "STMicroelectronics ST19 8-bit microcontroller";
|
||
case EM_VAX: return "Digital VAX";
|
||
case EM_AVR_OLD:
|
||
case EM_AVR: return "Atmel AVR 8-bit microcontroller";
|
||
case EM_CRIS: return "Axis Communications 32-bit embedded processor";
|
||
case EM_JAVELIN: return "Infineon Technologies 32-bit embedded cpu";
|
||
case EM_FIREPATH: return "Element 14 64-bit DSP processor";
|
||
case EM_ZSP: return "LSI Logic's 16-bit DSP processor";
|
||
case EM_MMIX: return "Donald Knuth's educational 64-bit processor";
|
||
case EM_HUANY: return "Harvard Universitys's machine-independent object format";
|
||
case EM_PRISM: return "SiTera Prism";
|
||
case EM_X86_64: return "Advanced Micro Devices X86-64";
|
||
case EM_S390_OLD:
|
||
case EM_S390: return "IBM S/390";
|
||
case EM_XSTORMY16: return "Sanyo Xstormy16 CPU core";
|
||
case EM_OPENRISC:
|
||
case EM_OR32: return "OpenRISC";
|
||
default:
|
||
sprintf (buff, _("<unknown>: %x"), e_machine);
|
||
return buff;
|
||
}
|
||
}
|
||
|
||
static void
|
||
decode_ARM_machine_flags (e_flags, buf)
|
||
unsigned e_flags;
|
||
char buf[];
|
||
{
|
||
unsigned eabi;
|
||
int unknown = 0;
|
||
|
||
eabi = EF_ARM_EABI_VERSION (e_flags);
|
||
e_flags &= ~ EF_ARM_EABIMASK;
|
||
|
||
/* Handle "generic" ARM flags. */
|
||
if (e_flags & EF_ARM_RELEXEC)
|
||
{
|
||
strcat (buf, ", relocatable executable");
|
||
e_flags &= ~ EF_ARM_RELEXEC;
|
||
}
|
||
|
||
if (e_flags & EF_ARM_HASENTRY)
|
||
{
|
||
strcat (buf, ", has entry point");
|
||
e_flags &= ~ EF_ARM_HASENTRY;
|
||
}
|
||
|
||
/* Now handle EABI specific flags. */
|
||
switch (eabi)
|
||
{
|
||
default:
|
||
strcat (buf, ", <unrecognised EABI>");
|
||
if (e_flags)
|
||
unknown = 1;
|
||
break;
|
||
|
||
case EF_ARM_EABI_VER1:
|
||
strcat (buf, ", Version1 EABI");
|
||
while (e_flags)
|
||
{
|
||
unsigned flag;
|
||
|
||
/* Process flags one bit at a time. */
|
||
flag = e_flags & - e_flags;
|
||
e_flags &= ~ flag;
|
||
|
||
switch (flag)
|
||
{
|
||
case EF_ARM_SYMSARESORTED: /* Conflicts with EF_ARM_INTERWORK. */
|
||
strcat (buf, ", sorted symbol tables");
|
||
break;
|
||
|
||
default:
|
||
unknown = 1;
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
|
||
case EF_ARM_EABI_VER2:
|
||
strcat (buf, ", Version2 EABI");
|
||
while (e_flags)
|
||
{
|
||
unsigned flag;
|
||
|
||
/* Process flags one bit at a time. */
|
||
flag = e_flags & - e_flags;
|
||
e_flags &= ~ flag;
|
||
|
||
switch (flag)
|
||
{
|
||
case EF_ARM_SYMSARESORTED: /* Conflicts with EF_ARM_INTERWORK. */
|
||
strcat (buf, ", sorted symbol tables");
|
||
break;
|
||
|
||
case EF_ARM_DYNSYMSUSESEGIDX:
|
||
strcat (buf, ", dynamic symbols use segment index");
|
||
break;
|
||
|
||
case EF_ARM_MAPSYMSFIRST:
|
||
strcat (buf, ", mapping symbols precede others");
|
||
break;
|
||
|
||
default:
|
||
unknown = 1;
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
|
||
case EF_ARM_EABI_UNKNOWN:
|
||
strcat (buf, ", GNU EABI");
|
||
while (e_flags)
|
||
{
|
||
unsigned flag;
|
||
|
||
/* Process flags one bit at a time. */
|
||
flag = e_flags & - e_flags;
|
||
e_flags &= ~ flag;
|
||
|
||
switch (flag)
|
||
{
|
||
case EF_ARM_INTERWORK:
|
||
strcat (buf, ", interworking enabled");
|
||
break;
|
||
|
||
case EF_ARM_APCS_26:
|
||
strcat (buf, ", uses APCS/26");
|
||
break;
|
||
|
||
case EF_ARM_APCS_FLOAT:
|
||
strcat (buf, ", uses APCS/float");
|
||
break;
|
||
|
||
case EF_ARM_PIC:
|
||
strcat (buf, ", position independent");
|
||
break;
|
||
|
||
case EF_ARM_ALIGN8:
|
||
strcat (buf, ", 8 bit structure alignment");
|
||
break;
|
||
|
||
case EF_ARM_NEW_ABI:
|
||
strcat (buf, ", uses new ABI");
|
||
break;
|
||
|
||
case EF_ARM_OLD_ABI:
|
||
strcat (buf, ", uses old ABI");
|
||
break;
|
||
|
||
case EF_ARM_SOFT_FLOAT:
|
||
strcat (buf, ", software FP");
|
||
break;
|
||
|
||
default:
|
||
unknown = 1;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (unknown)
|
||
strcat (buf,", <unknown>");
|
||
}
|
||
|
||
static char *
|
||
get_machine_flags (e_flags, e_machine)
|
||
unsigned e_flags;
|
||
unsigned e_machine;
|
||
{
|
||
static char buf [1024];
|
||
|
||
buf[0] = '\0';
|
||
|
||
if (e_flags)
|
||
{
|
||
switch (e_machine)
|
||
{
|
||
default:
|
||
break;
|
||
|
||
case EM_ARM:
|
||
decode_ARM_machine_flags (e_flags, buf);
|
||
break;
|
||
|
||
case EM_68K:
|
||
if (e_flags & EF_CPU32)
|
||
strcat (buf, ", cpu32");
|
||
break;
|
||
|
||
case EM_PPC:
|
||
if (e_flags & EF_PPC_EMB)
|
||
strcat (buf, ", emb");
|
||
|
||
if (e_flags & EF_PPC_RELOCATABLE)
|
||
strcat (buf, ", relocatable");
|
||
|
||
if (e_flags & EF_PPC_RELOCATABLE_LIB)
|
||
strcat (buf, ", relocatable-lib");
|
||
break;
|
||
|
||
case EM_V850:
|
||
case EM_CYGNUS_V850:
|
||
switch (e_flags & EF_V850_ARCH)
|
||
{
|
||
case E_V850E_ARCH:
|
||
strcat (buf, ", v850e");
|
||
break;
|
||
case E_V850EA_ARCH:
|
||
strcat (buf, ", v850ea");
|
||
break;
|
||
case E_V850_ARCH:
|
||
strcat (buf, ", v850");
|
||
break;
|
||
default:
|
||
strcat (buf, ", unknown v850 architecture variant");
|
||
break;
|
||
}
|
||
break;
|
||
|
||
case EM_M32R:
|
||
case EM_CYGNUS_M32R:
|
||
if ((e_flags & EF_M32R_ARCH) == E_M32R_ARCH)
|
||
strcat (buf, ", m32r");
|
||
|
||
break;
|
||
|
||
case EM_MIPS:
|
||
case EM_MIPS_RS3_LE:
|
||
if (e_flags & EF_MIPS_NOREORDER)
|
||
strcat (buf, ", noreorder");
|
||
|
||
if (e_flags & EF_MIPS_PIC)
|
||
strcat (buf, ", pic");
|
||
|
||
if (e_flags & EF_MIPS_CPIC)
|
||
strcat (buf, ", cpic");
|
||
|
||
if (e_flags & EF_MIPS_UCODE)
|
||
strcat (buf, ", ugen_reserved");
|
||
|
||
if (e_flags & EF_MIPS_ABI2)
|
||
strcat (buf, ", abi2");
|
||
|
||
if (e_flags & EF_MIPS_OPTIONS_FIRST)
|
||
strcat (buf, ", odk first");
|
||
|
||
if (e_flags & EF_MIPS_32BITMODE)
|
||
strcat (buf, ", 32bitmode");
|
||
|
||
switch ((e_flags & EF_MIPS_MACH))
|
||
{
|
||
case E_MIPS_MACH_3900: strcat (buf, ", 3900"); break;
|
||
case E_MIPS_MACH_4010: strcat (buf, ", 4010"); break;
|
||
case E_MIPS_MACH_4100: strcat (buf, ", 4100"); break;
|
||
case E_MIPS_MACH_4650: strcat (buf, ", 4650"); break;
|
||
case E_MIPS_MACH_4111: strcat (buf, ", 4111"); break;
|
||
case E_MIPS_MACH_SB1: strcat (buf, ", sb1"); break;
|
||
case 0:
|
||
/* We simply ignore the field in this case to avoid confusion:
|
||
MIPS ELF does not specify EF_MIPS_MACH, it is a GNU
|
||
extension. */
|
||
break;
|
||
default: strcat (buf, ", unknown CPU"); break;
|
||
}
|
||
|
||
switch ((e_flags & EF_MIPS_ABI))
|
||
{
|
||
case E_MIPS_ABI_O32: strcat (buf, ", o32"); break;
|
||
case E_MIPS_ABI_O64: strcat (buf, ", o64"); break;
|
||
case E_MIPS_ABI_EABI32: strcat (buf, ", eabi32"); break;
|
||
case E_MIPS_ABI_EABI64: strcat (buf, ", eabi64"); break;
|
||
case 0:
|
||
/* We simply ignore the field in this case to avoid confusion:
|
||
MIPS ELF does not specify EF_MIPS_ABI, it is a GNU extension.
|
||
This means it is likely to be an o32 file, but not for
|
||
sure. */
|
||
break;
|
||
default: strcat (buf, ", unknown ABI"); break;
|
||
}
|
||
|
||
if (e_flags & EF_MIPS_ARCH_ASE_MDMX)
|
||
strcat (buf, ", mdmx");
|
||
|
||
if (e_flags & EF_MIPS_ARCH_ASE_M16)
|
||
strcat (buf, ", mips16");
|
||
|
||
switch ((e_flags & EF_MIPS_ARCH))
|
||
{
|
||
case E_MIPS_ARCH_1: strcat (buf, ", mips1"); break;
|
||
case E_MIPS_ARCH_2: strcat (buf, ", mips2"); break;
|
||
case E_MIPS_ARCH_3: strcat (buf, ", mips3"); break;
|
||
case E_MIPS_ARCH_4: strcat (buf, ", mips4"); break;
|
||
case E_MIPS_ARCH_5: strcat (buf, ", mips5"); break;
|
||
case E_MIPS_ARCH_32: strcat (buf, ", mips32"); break;
|
||
case E_MIPS_ARCH_64: strcat (buf, ", mips64"); break;
|
||
default: strcat (buf, ", unknown ISA"); break;
|
||
}
|
||
|
||
break;
|
||
|
||
case EM_SPARCV9:
|
||
if (e_flags & EF_SPARC_32PLUS)
|
||
strcat (buf, ", v8+");
|
||
|
||
if (e_flags & EF_SPARC_SUN_US1)
|
||
strcat (buf, ", ultrasparcI");
|
||
|
||
if (e_flags & EF_SPARC_SUN_US3)
|
||
strcat (buf, ", ultrasparcIII");
|
||
|
||
if (e_flags & EF_SPARC_HAL_R1)
|
||
strcat (buf, ", halr1");
|
||
|
||
if (e_flags & EF_SPARC_LEDATA)
|
||
strcat (buf, ", ledata");
|
||
|
||
if ((e_flags & EF_SPARCV9_MM) == EF_SPARCV9_TSO)
|
||
strcat (buf, ", tso");
|
||
|
||
if ((e_flags & EF_SPARCV9_MM) == EF_SPARCV9_PSO)
|
||
strcat (buf, ", pso");
|
||
|
||
if ((e_flags & EF_SPARCV9_MM) == EF_SPARCV9_RMO)
|
||
strcat (buf, ", rmo");
|
||
break;
|
||
|
||
case EM_PARISC:
|
||
switch (e_flags & EF_PARISC_ARCH)
|
||
{
|
||
case EFA_PARISC_1_0:
|
||
strcpy (buf, ", PA-RISC 1.0");
|
||
break;
|
||
case EFA_PARISC_1_1:
|
||
strcpy (buf, ", PA-RISC 1.1");
|
||
break;
|
||
case EFA_PARISC_2_0:
|
||
strcpy (buf, ", PA-RISC 2.0");
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
if (e_flags & EF_PARISC_TRAPNIL)
|
||
strcat (buf, ", trapnil");
|
||
if (e_flags & EF_PARISC_EXT)
|
||
strcat (buf, ", ext");
|
||
if (e_flags & EF_PARISC_LSB)
|
||
strcat (buf, ", lsb");
|
||
if (e_flags & EF_PARISC_WIDE)
|
||
strcat (buf, ", wide");
|
||
if (e_flags & EF_PARISC_NO_KABP)
|
||
strcat (buf, ", no kabp");
|
||
if (e_flags & EF_PARISC_LAZYSWAP)
|
||
strcat (buf, ", lazyswap");
|
||
break;
|
||
|
||
case EM_PJ:
|
||
case EM_PJ_OLD:
|
||
if ((e_flags & EF_PICOJAVA_NEWCALLS) == EF_PICOJAVA_NEWCALLS)
|
||
strcat (buf, ", new calling convention");
|
||
|
||
if ((e_flags & EF_PICOJAVA_GNUCALLS) == EF_PICOJAVA_GNUCALLS)
|
||
strcat (buf, ", gnu calling convention");
|
||
break;
|
||
|
||
case EM_IA_64:
|
||
if ((e_flags & EF_IA_64_ABI64))
|
||
strcat (buf, ", 64-bit");
|
||
else
|
||
strcat (buf, ", 32-bit");
|
||
if ((e_flags & EF_IA_64_REDUCEDFP))
|
||
strcat (buf, ", reduced fp model");
|
||
if ((e_flags & EF_IA_64_NOFUNCDESC_CONS_GP))
|
||
strcat (buf, ", no function descriptors, constant gp");
|
||
else if ((e_flags & EF_IA_64_CONS_GP))
|
||
strcat (buf, ", constant gp");
|
||
if ((e_flags & EF_IA_64_ABSOLUTE))
|
||
strcat (buf, ", absolute");
|
||
break;
|
||
}
|
||
}
|
||
|
||
return buf;
|
||
}
|
||
|
||
static const char *
|
||
get_mips_segment_type (type)
|
||
unsigned long type;
|
||
{
|
||
switch (type)
|
||
{
|
||
case PT_MIPS_REGINFO:
|
||
return "REGINFO";
|
||
case PT_MIPS_RTPROC:
|
||
return "RTPROC";
|
||
case PT_MIPS_OPTIONS:
|
||
return "OPTIONS";
|
||
default:
|
||
break;
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
static const char *
|
||
get_parisc_segment_type (type)
|
||
unsigned long type;
|
||
{
|
||
switch (type)
|
||
{
|
||
case PT_HP_TLS: return "HP_TLS";
|
||
case PT_HP_CORE_NONE: return "HP_CORE_NONE";
|
||
case PT_HP_CORE_VERSION: return "HP_CORE_VERSION";
|
||
case PT_HP_CORE_KERNEL: return "HP_CORE_KERNEL";
|
||
case PT_HP_CORE_COMM: return "HP_CORE_COMM";
|
||
case PT_HP_CORE_PROC: return "HP_CORE_PROC";
|
||
case PT_HP_CORE_LOADABLE: return "HP_CORE_LOADABLE";
|
||
case PT_HP_CORE_STACK: return "HP_CORE_STACK";
|
||
case PT_HP_CORE_SHM: return "HP_CORE_SHM";
|
||
case PT_HP_CORE_MMF: return "HP_CORE_MMF";
|
||
case PT_HP_PARALLEL: return "HP_PARALLEL";
|
||
case PT_HP_FASTBIND: return "HP_FASTBIND";
|
||
case PT_PARISC_ARCHEXT: return "PARISC_ARCHEXT";
|
||
case PT_PARISC_UNWIND: return "PARISC_UNWIND";
|
||
default:
|
||
break;
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
static const char *
|
||
get_ia64_segment_type (type)
|
||
unsigned long type;
|
||
{
|
||
switch (type)
|
||
{
|
||
case PT_IA_64_ARCHEXT: return "IA_64_ARCHEXT";
|
||
case PT_IA_64_UNWIND: return "IA_64_UNWIND";
|
||
case PT_HP_TLS: return "HP_TLS";
|
||
case PT_IA_64_HP_OPT_ANOT: return "HP_OPT_ANNOT";
|
||
case PT_IA_64_HP_HSL_ANOT: return "HP_HSL_ANNOT";
|
||
case PT_IA_64_HP_STACK: return "HP_STACK";
|
||
default:
|
||
break;
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
static const char *
|
||
get_segment_type (p_type)
|
||
unsigned long p_type;
|
||
{
|
||
static char buff [32];
|
||
|
||
switch (p_type)
|
||
{
|
||
case PT_NULL: return "NULL";
|
||
case PT_LOAD: return "LOAD";
|
||
case PT_DYNAMIC: return "DYNAMIC";
|
||
case PT_INTERP: return "INTERP";
|
||
case PT_NOTE: return "NOTE";
|
||
case PT_SHLIB: return "SHLIB";
|
||
case PT_PHDR: return "PHDR";
|
||
|
||
case PT_GNU_EH_FRAME:
|
||
return "GNU_EH_FRAME";
|
||
|
||
default:
|
||
if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC))
|
||
{
|
||
const char * result;
|
||
|
||
switch (elf_header.e_machine)
|
||
{
|
||
case EM_MIPS:
|
||
case EM_MIPS_RS3_LE:
|
||
result = get_mips_segment_type (p_type);
|
||
break;
|
||
case EM_PARISC:
|
||
result = get_parisc_segment_type (p_type);
|
||
break;
|
||
case EM_IA_64:
|
||
result = get_ia64_segment_type (p_type);
|
||
break;
|
||
default:
|
||
result = NULL;
|
||
break;
|
||
}
|
||
|
||
if (result != NULL)
|
||
return result;
|
||
|
||
sprintf (buff, "LOPROC+%lx", p_type - PT_LOPROC);
|
||
}
|
||
else if ((p_type >= PT_LOOS) && (p_type <= PT_HIOS))
|
||
{
|
||
const char * result;
|
||
|
||
switch (elf_header.e_machine)
|
||
{
|
||
case EM_PARISC:
|
||
result = get_parisc_segment_type (p_type);
|
||
break;
|
||
case EM_IA_64:
|
||
result = get_ia64_segment_type (p_type);
|
||
break;
|
||
default:
|
||
result = NULL;
|
||
break;
|
||
}
|
||
|
||
if (result != NULL)
|
||
return result;
|
||
|
||
sprintf (buff, "LOOS+%lx", p_type - PT_LOOS);
|
||
}
|
||
else
|
||
sprintf (buff, _("<unknown>: %lx"), p_type);
|
||
|
||
return buff;
|
||
}
|
||
}
|
||
|
||
static const char *
|
||
get_mips_section_type_name (sh_type)
|
||
unsigned int sh_type;
|
||
{
|
||
switch (sh_type)
|
||
{
|
||
case SHT_MIPS_LIBLIST: return "MIPS_LIBLIST";
|
||
case SHT_MIPS_MSYM: return "MIPS_MSYM";
|
||
case SHT_MIPS_CONFLICT: return "MIPS_CONFLICT";
|
||
case SHT_MIPS_GPTAB: return "MIPS_GPTAB";
|
||
case SHT_MIPS_UCODE: return "MIPS_UCODE";
|
||
case SHT_MIPS_DEBUG: return "MIPS_DEBUG";
|
||
case SHT_MIPS_REGINFO: return "MIPS_REGINFO";
|
||
case SHT_MIPS_PACKAGE: return "MIPS_PACKAGE";
|
||
case SHT_MIPS_PACKSYM: return "MIPS_PACKSYM";
|
||
case SHT_MIPS_RELD: return "MIPS_RELD";
|
||
case SHT_MIPS_IFACE: return "MIPS_IFACE";
|
||
case SHT_MIPS_CONTENT: return "MIPS_CONTENT";
|
||
case SHT_MIPS_OPTIONS: return "MIPS_OPTIONS";
|
||
case SHT_MIPS_SHDR: return "MIPS_SHDR";
|
||
case SHT_MIPS_FDESC: return "MIPS_FDESC";
|
||
case SHT_MIPS_EXTSYM: return "MIPS_EXTSYM";
|
||
case SHT_MIPS_DENSE: return "MIPS_DENSE";
|
||
case SHT_MIPS_PDESC: return "MIPS_PDESC";
|
||
case SHT_MIPS_LOCSYM: return "MIPS_LOCSYM";
|
||
case SHT_MIPS_AUXSYM: return "MIPS_AUXSYM";
|
||
case SHT_MIPS_OPTSYM: return "MIPS_OPTSYM";
|
||
case SHT_MIPS_LOCSTR: return "MIPS_LOCSTR";
|
||
case SHT_MIPS_LINE: return "MIPS_LINE";
|
||
case SHT_MIPS_RFDESC: return "MIPS_RFDESC";
|
||
case SHT_MIPS_DELTASYM: return "MIPS_DELTASYM";
|
||
case SHT_MIPS_DELTAINST: return "MIPS_DELTAINST";
|
||
case SHT_MIPS_DELTACLASS: return "MIPS_DELTACLASS";
|
||
case SHT_MIPS_DWARF: return "MIPS_DWARF";
|
||
case SHT_MIPS_DELTADECL: return "MIPS_DELTADECL";
|
||
case SHT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB";
|
||
case SHT_MIPS_EVENTS: return "MIPS_EVENTS";
|
||
case SHT_MIPS_TRANSLATE: return "MIPS_TRANSLATE";
|
||
case SHT_MIPS_PIXIE: return "MIPS_PIXIE";
|
||
case SHT_MIPS_XLATE: return "MIPS_XLATE";
|
||
case SHT_MIPS_XLATE_DEBUG: return "MIPS_XLATE_DEBUG";
|
||
case SHT_MIPS_WHIRL: return "MIPS_WHIRL";
|
||
case SHT_MIPS_EH_REGION: return "MIPS_EH_REGION";
|
||
case SHT_MIPS_XLATE_OLD: return "MIPS_XLATE_OLD";
|
||
case SHT_MIPS_PDR_EXCEPTION: return "MIPS_PDR_EXCEPTION";
|
||
default:
|
||
break;
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
static const char *
|
||
get_parisc_section_type_name (sh_type)
|
||
unsigned int sh_type;
|
||
{
|
||
switch (sh_type)
|
||
{
|
||
case SHT_PARISC_EXT: return "PARISC_EXT";
|
||
case SHT_PARISC_UNWIND: return "PARISC_UNWIND";
|
||
case SHT_PARISC_DOC: return "PARISC_DOC";
|
||
default:
|
||
break;
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
static const char *
|
||
get_ia64_section_type_name (sh_type)
|
||
unsigned int sh_type;
|
||
{
|
||
switch (sh_type)
|
||
{
|
||
case SHT_IA_64_EXT: return "IA_64_EXT";
|
||
case SHT_IA_64_UNWIND: return "IA_64_UNWIND";
|
||
default:
|
||
break;
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
static const char *
|
||
get_section_type_name (sh_type)
|
||
unsigned int sh_type;
|
||
{
|
||
static char buff [32];
|
||
|
||
switch (sh_type)
|
||
{
|
||
case SHT_NULL: return "NULL";
|
||
case SHT_PROGBITS: return "PROGBITS";
|
||
case SHT_SYMTAB: return "SYMTAB";
|
||
case SHT_STRTAB: return "STRTAB";
|
||
case SHT_RELA: return "RELA";
|
||
case SHT_HASH: return "HASH";
|
||
case SHT_DYNAMIC: return "DYNAMIC";
|
||
case SHT_NOTE: return "NOTE";
|
||
case SHT_NOBITS: return "NOBITS";
|
||
case SHT_REL: return "REL";
|
||
case SHT_SHLIB: return "SHLIB";
|
||
case SHT_DYNSYM: return "DYNSYM";
|
||
case SHT_INIT_ARRAY: return "INIT_ARRAY";
|
||
case SHT_FINI_ARRAY: return "FINI_ARRAY";
|
||
case SHT_PREINIT_ARRAY: return "PREINIT_ARRAY";
|
||
case SHT_GROUP: return "GROUP";
|
||
case SHT_SYMTAB_SHNDX: return "SYMTAB SECTION INDICIES";
|
||
case SHT_GNU_verdef: return "VERDEF";
|
||
case SHT_GNU_verneed: return "VERNEED";
|
||
case SHT_GNU_versym: return "VERSYM";
|
||
case 0x6ffffff0: return "VERSYM";
|
||
case 0x6ffffffc: return "VERDEF";
|
||
case 0x7ffffffd: return "AUXILIARY";
|
||
case 0x7fffffff: return "FILTER";
|
||
|
||
default:
|
||
if ((sh_type >= SHT_LOPROC) && (sh_type <= SHT_HIPROC))
|
||
{
|
||
const char * result;
|
||
|
||
switch (elf_header.e_machine)
|
||
{
|
||
case EM_MIPS:
|
||
case EM_MIPS_RS3_LE:
|
||
result = get_mips_section_type_name (sh_type);
|
||
break;
|
||
case EM_PARISC:
|
||
result = get_parisc_section_type_name (sh_type);
|
||
break;
|
||
case EM_IA_64:
|
||
result = get_ia64_section_type_name (sh_type);
|
||
break;
|
||
default:
|
||
result = NULL;
|
||
break;
|
||
}
|
||
|
||
if (result != NULL)
|
||
return result;
|
||
|
||
sprintf (buff, "LOPROC+%x", sh_type - SHT_LOPROC);
|
||
}
|
||
else if ((sh_type >= SHT_LOOS) && (sh_type <= SHT_HIOS))
|
||
sprintf (buff, "LOOS+%x", sh_type - SHT_LOOS);
|
||
else if ((sh_type >= SHT_LOUSER) && (sh_type <= SHT_HIUSER))
|
||
sprintf (buff, "LOUSER+%x", sh_type - SHT_LOUSER);
|
||
else
|
||
sprintf (buff, _("<unknown>: %x"), sh_type);
|
||
|
||
return buff;
|
||
}
|
||
}
|
||
|
||
struct option options [] =
|
||
{
|
||
{"all", no_argument, 0, 'a'},
|
||
{"file-header", no_argument, 0, 'h'},
|
||
{"program-headers", no_argument, 0, 'l'},
|
||
{"headers", no_argument, 0, 'e'},
|
||
{"histogram", no_argument, 0, 'I'},
|
||
{"segments", no_argument, 0, 'l'},
|
||
{"sections", no_argument, 0, 'S'},
|
||
{"section-headers", no_argument, 0, 'S'},
|
||
{"symbols", no_argument, 0, 's'},
|
||
{"syms", no_argument, 0, 's'},
|
||
{"relocs", no_argument, 0, 'r'},
|
||
{"notes", no_argument, 0, 'n'},
|
||
{"dynamic", no_argument, 0, 'd'},
|
||
{"arch-specific", no_argument, 0, 'A'},
|
||
{"version-info", no_argument, 0, 'V'},
|
||
{"use-dynamic", no_argument, 0, 'D'},
|
||
{"hex-dump", required_argument, 0, 'x'},
|
||
{"debug-dump", optional_argument, 0, 'w'},
|
||
{"unwind", no_argument, 0, 'u'},
|
||
#ifdef SUPPORT_DISASSEMBLY
|
||
{"instruction-dump", required_argument, 0, 'i'},
|
||
#endif
|
||
|
||
{"version", no_argument, 0, 'v'},
|
||
{"wide", no_argument, 0, 'W'},
|
||
{"help", no_argument, 0, 'H'},
|
||
{0, no_argument, 0, 0}
|
||
};
|
||
|
||
static void
|
||
usage ()
|
||
{
|
||
fprintf (stdout, _("Usage: readelf <option(s)> elf-file(s)\n"));
|
||
fprintf (stdout, _(" Display information about the contents of ELF format files\n"));
|
||
fprintf (stdout, _(" Options are:\n\
|
||
-a --all Equivalent to: -h -l -S -s -r -d -V -A -I\n\
|
||
-h --file-header Display the ELF file header\n\
|
||
-l --program-headers Display the program headers\n\
|
||
--segments An alias for --program-headers\n\
|
||
-S --section-headers Display the sections' header\n\
|
||
--sections An alias for --section-headers\n\
|
||
-e --headers Equivalent to: -h -l -S\n\
|
||
-s --syms Display the symbol table\n\
|
||
--symbols An alias for --syms\n\
|
||
-n --notes Display the core notes (if present)\n\
|
||
-r --relocs Display the relocations (if present)\n\
|
||
-u --unwind Display the unwind info (if present)\n\
|
||
-d --dynamic Display the dynamic segment (if present)\n\
|
||
-V --version-info Display the version sections (if present)\n\
|
||
-A --arch-specific Display architecture specific information (if any).\n\
|
||
-D --use-dynamic Use the dynamic section info when displaying symbols\n\
|
||
-x --hex-dump=<number> Dump the contents of section <number>\n\
|
||
-w --debug-dump[=line,=info,=abbrev,=pubnames,=ranges,=macro,=frames,=str]\n\
|
||
Display the contents of DWARF2 debug sections\n"));
|
||
#ifdef SUPPORT_DISASSEMBLY
|
||
fprintf (stdout, _("\
|
||
-i --instruction-dump=<number>\n\
|
||
Disassemble the contents of section <number>\n"));
|
||
#endif
|
||
fprintf (stdout, _("\
|
||
-I --histogram Display histogram of bucket list lengths\n\
|
||
-W --wide Allow output width to exceed 80 characters\n\
|
||
-H --help Display this information\n\
|
||
-v --version Display the version number of readelf\n"));
|
||
fprintf (stdout, _("Report bugs to %s\n"), REPORT_BUGS_TO);
|
||
|
||
exit (0);
|
||
}
|
||
|
||
static void
|
||
request_dump (section, type)
|
||
unsigned int section;
|
||
int type;
|
||
{
|
||
if (section >= num_dump_sects)
|
||
{
|
||
char * new_dump_sects;
|
||
|
||
new_dump_sects = (char *) calloc (section + 1, 1);
|
||
|
||
if (new_dump_sects == NULL)
|
||
error (_("Out of memory allocating dump request table."));
|
||
else
|
||
{
|
||
/* Copy current flag settings. */
|
||
memcpy (new_dump_sects, dump_sects, num_dump_sects);
|
||
|
||
free (dump_sects);
|
||
|
||
dump_sects = new_dump_sects;
|
||
num_dump_sects = section + 1;
|
||
}
|
||
}
|
||
|
||
if (dump_sects)
|
||
dump_sects [section] |= type;
|
||
|
||
return;
|
||
}
|
||
|
||
static void
|
||
parse_args (argc, argv)
|
||
int argc;
|
||
char ** argv;
|
||
{
|
||
int c;
|
||
|
||
if (argc < 2)
|
||
usage ();
|
||
|
||
while ((c = getopt_long
|
||
(argc, argv, "ersuahnldSDAIw::x:i:vVW", options, NULL)) != EOF)
|
||
{
|
||
char * cp;
|
||
int section;
|
||
|
||
switch (c)
|
||
{
|
||
case 0:
|
||
/* Long options. */
|
||
break;
|
||
case 'H':
|
||
usage ();
|
||
break;
|
||
|
||
case 'a':
|
||
do_syms ++;
|
||
do_reloc ++;
|
||
do_unwind ++;
|
||
do_dynamic ++;
|
||
do_header ++;
|
||
do_sections ++;
|
||
do_segments ++;
|
||
do_version ++;
|
||
do_histogram ++;
|
||
do_arch ++;
|
||
do_notes ++;
|
||
break;
|
||
case 'e':
|
||
do_header ++;
|
||
do_sections ++;
|
||
do_segments ++;
|
||
break;
|
||
case 'A':
|
||
do_arch ++;
|
||
break;
|
||
case 'D':
|
||
do_using_dynamic ++;
|
||
break;
|
||
case 'r':
|
||
do_reloc ++;
|
||
break;
|
||
case 'u':
|
||
do_unwind ++;
|
||
break;
|
||
case 'h':
|
||
do_header ++;
|
||
break;
|
||
case 'l':
|
||
do_segments ++;
|
||
break;
|
||
case 's':
|
||
do_syms ++;
|
||
break;
|
||
case 'S':
|
||
do_sections ++;
|
||
break;
|
||
case 'd':
|
||
do_dynamic ++;
|
||
break;
|
||
case 'I':
|
||
do_histogram ++;
|
||
break;
|
||
case 'n':
|
||
do_notes ++;
|
||
break;
|
||
case 'x':
|
||
do_dump ++;
|
||
section = strtoul (optarg, & cp, 0);
|
||
if (! * cp && section >= 0)
|
||
{
|
||
request_dump (section, HEX_DUMP);
|
||
break;
|
||
}
|
||
goto oops;
|
||
case 'w':
|
||
do_dump ++;
|
||
if (optarg == 0)
|
||
do_debugging = 1;
|
||
else
|
||
{
|
||
unsigned int index = 0;
|
||
|
||
do_debugging = 0;
|
||
|
||
while (optarg[index])
|
||
switch (optarg[index++])
|
||
{
|
||
case 'i':
|
||
case 'I':
|
||
do_debug_info = 1;
|
||
break;
|
||
|
||
case 'a':
|
||
case 'A':
|
||
do_debug_abbrevs = 1;
|
||
break;
|
||
|
||
case 'l':
|
||
case 'L':
|
||
do_debug_lines = 1;
|
||
break;
|
||
|
||
case 'p':
|
||
case 'P':
|
||
do_debug_pubnames = 1;
|
||
break;
|
||
|
||
case 'r':
|
||
case 'R':
|
||
do_debug_aranges = 1;
|
||
break;
|
||
|
||
case 'F':
|
||
do_debug_frames_interp = 1;
|
||
case 'f':
|
||
do_debug_frames = 1;
|
||
break;
|
||
|
||
case 'm':
|
||
case 'M':
|
||
do_debug_macinfo = 1;
|
||
break;
|
||
|
||
case 's':
|
||
case 'S':
|
||
do_debug_str = 1;
|
||
break;
|
||
|
||
default:
|
||
warn (_("Unrecognised debug option '%s'\n"), optarg);
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
#ifdef SUPPORT_DISASSEMBLY
|
||
case 'i':
|
||
do_dump ++;
|
||
section = strtoul (optarg, & cp, 0);
|
||
if (! * cp && section >= 0)
|
||
{
|
||
request_dump (section, DISASS_DUMP);
|
||
break;
|
||
}
|
||
goto oops;
|
||
#endif
|
||
case 'v':
|
||
print_version (program_name);
|
||
break;
|
||
case 'V':
|
||
do_version ++;
|
||
break;
|
||
case 'W':
|
||
do_wide ++;
|
||
break;
|
||
default:
|
||
oops:
|
||
/* xgettext:c-format */
|
||
error (_("Invalid option '-%c'\n"), c);
|
||
/* Drop through. */
|
||
case '?':
|
||
usage ();
|
||
}
|
||
}
|
||
|
||
if (!do_dynamic && !do_syms && !do_reloc && !do_unwind && !do_sections
|
||
&& !do_segments && !do_header && !do_dump && !do_version
|
||
&& !do_histogram && !do_debugging && !do_arch && !do_notes)
|
||
usage ();
|
||
else if (argc < 3)
|
||
{
|
||
warn (_("Nothing to do.\n"));
|
||
usage();
|
||
}
|
||
}
|
||
|
||
static const char *
|
||
get_elf_class (elf_class)
|
||
unsigned int elf_class;
|
||
{
|
||
static char buff [32];
|
||
|
||
switch (elf_class)
|
||
{
|
||
case ELFCLASSNONE: return _("none");
|
||
case ELFCLASS32: return "ELF32";
|
||
case ELFCLASS64: return "ELF64";
|
||
default:
|
||
sprintf (buff, _("<unknown: %x>"), elf_class);
|
||
return buff;
|
||
}
|
||
}
|
||
|
||
static const char *
|
||
get_data_encoding (encoding)
|
||
unsigned int encoding;
|
||
{
|
||
static char buff [32];
|
||
|
||
switch (encoding)
|
||
{
|
||
case ELFDATANONE: return _("none");
|
||
case ELFDATA2LSB: return _("2's complement, little endian");
|
||
case ELFDATA2MSB: return _("2's complement, big endian");
|
||
default:
|
||
sprintf (buff, _("<unknown: %x>"), encoding);
|
||
return buff;
|
||
}
|
||
}
|
||
|
||
static const char *
|
||
get_osabi_name (osabi)
|
||
unsigned int osabi;
|
||
{
|
||
static char buff [32];
|
||
|
||
switch (osabi)
|
||
{
|
||
case ELFOSABI_NONE: return "UNIX - System V";
|
||
case ELFOSABI_HPUX: return "UNIX - HP-UX";
|
||
case ELFOSABI_NETBSD: return "UNIX - NetBSD";
|
||
case ELFOSABI_LINUX: return "UNIX - Linux";
|
||
case ELFOSABI_HURD: return "GNU/Hurd";
|
||
case ELFOSABI_SOLARIS: return "UNIX - Solaris";
|
||
case ELFOSABI_AIX: return "UNIX - AIX";
|
||
case ELFOSABI_IRIX: return "UNIX - IRIX";
|
||
case ELFOSABI_FREEBSD: return "UNIX - FreeBSD";
|
||
case ELFOSABI_TRU64: return "UNIX - TRU64";
|
||
case ELFOSABI_MODESTO: return "Novell - Modesto";
|
||
case ELFOSABI_OPENBSD: return "UNIX - OpenBSD";
|
||
case ELFOSABI_STANDALONE: return _("Standalone App");
|
||
case ELFOSABI_ARM: return "ARM";
|
||
default:
|
||
sprintf (buff, _("<unknown: %x>"), osabi);
|
||
return buff;
|
||
}
|
||
}
|
||
|
||
/* Decode the data held in 'elf_header'. */
|
||
static int
|
||
process_file_header ()
|
||
{
|
||
if ( elf_header.e_ident [EI_MAG0] != ELFMAG0
|
||
|| elf_header.e_ident [EI_MAG1] != ELFMAG1
|
||
|| elf_header.e_ident [EI_MAG2] != ELFMAG2
|
||
|| elf_header.e_ident [EI_MAG3] != ELFMAG3)
|
||
{
|
||
error
|
||
(_("Not an ELF file - it has the wrong magic bytes at the start\n"));
|
||
return 0;
|
||
}
|
||
|
||
if (do_header)
|
||
{
|
||
int i;
|
||
|
||
printf (_("ELF Header:\n"));
|
||
printf (_(" Magic: "));
|
||
for (i = 0; i < EI_NIDENT; i ++)
|
||
printf ("%2.2x ", elf_header.e_ident [i]);
|
||
printf ("\n");
|
||
printf (_(" Class: %s\n"),
|
||
get_elf_class (elf_header.e_ident [EI_CLASS]));
|
||
printf (_(" Data: %s\n"),
|
||
get_data_encoding (elf_header.e_ident [EI_DATA]));
|
||
printf (_(" Version: %d %s\n"),
|
||
elf_header.e_ident [EI_VERSION],
|
||
(elf_header.e_ident [EI_VERSION] == EV_CURRENT
|
||
? "(current)"
|
||
: (elf_header.e_ident [EI_VERSION] != EV_NONE
|
||
? "<unknown: %lx>"
|
||
: "")));
|
||
printf (_(" OS/ABI: %s\n"),
|
||
get_osabi_name (elf_header.e_ident [EI_OSABI]));
|
||
printf (_(" ABI Version: %d\n"),
|
||
elf_header.e_ident [EI_ABIVERSION]);
|
||
printf (_(" Type: %s\n"),
|
||
get_file_type (elf_header.e_type));
|
||
printf (_(" Machine: %s\n"),
|
||
get_machine_name (elf_header.e_machine));
|
||
printf (_(" Version: 0x%lx\n"),
|
||
(unsigned long) elf_header.e_version);
|
||
|
||
printf (_(" Entry point address: "));
|
||
print_vma ((bfd_vma) elf_header.e_entry, PREFIX_HEX);
|
||
printf (_("\n Start of program headers: "));
|
||
print_vma ((bfd_vma) elf_header.e_phoff, DEC);
|
||
printf (_(" (bytes into file)\n Start of section headers: "));
|
||
print_vma ((bfd_vma) elf_header.e_shoff, DEC);
|
||
printf (_(" (bytes into file)\n"));
|
||
|
||
printf (_(" Flags: 0x%lx%s\n"),
|
||
(unsigned long) elf_header.e_flags,
|
||
get_machine_flags (elf_header.e_flags, elf_header.e_machine));
|
||
printf (_(" Size of this header: %ld (bytes)\n"),
|
||
(long) elf_header.e_ehsize);
|
||
printf (_(" Size of program headers: %ld (bytes)\n"),
|
||
(long) elf_header.e_phentsize);
|
||
printf (_(" Number of program headers: %ld\n"),
|
||
(long) elf_header.e_phnum);
|
||
printf (_(" Size of section headers: %ld (bytes)\n"),
|
||
(long) elf_header.e_shentsize);
|
||
printf (_(" Number of section headers: %ld"),
|
||
(long) elf_header.e_shnum);
|
||
if (section_headers != NULL && elf_header.e_shnum == 0)
|
||
printf (" (%ld)", (long) section_headers[0].sh_size);
|
||
putc ('\n', stdout);
|
||
printf (_(" Section header string table index: %ld"),
|
||
(long) elf_header.e_shstrndx);
|
||
if (section_headers != NULL && elf_header.e_shstrndx == SHN_XINDEX)
|
||
printf (" (%ld)", (long) section_headers[0].sh_link);
|
||
putc ('\n', stdout);
|
||
}
|
||
|
||
if (section_headers != NULL)
|
||
{
|
||
if (elf_header.e_shnum == 0)
|
||
elf_header.e_shnum = section_headers[0].sh_size;
|
||
if (elf_header.e_shstrndx == SHN_XINDEX)
|
||
elf_header.e_shstrndx = section_headers[0].sh_link;
|
||
free (section_headers);
|
||
section_headers = NULL;
|
||
}
|
||
|
||
return 1;
|
||
}
|
||
|
||
|
||
static int
|
||
get_32bit_program_headers (file, program_headers)
|
||
FILE * file;
|
||
Elf_Internal_Phdr * program_headers;
|
||
{
|
||
Elf32_External_Phdr * phdrs;
|
||
Elf32_External_Phdr * external;
|
||
Elf32_Internal_Phdr * internal;
|
||
unsigned int i;
|
||
|
||
phdrs = ((Elf32_External_Phdr *)
|
||
get_data (NULL, file, elf_header.e_phoff,
|
||
elf_header.e_phentsize * elf_header.e_phnum,
|
||
_("program headers")));
|
||
if (!phdrs)
|
||
return 0;
|
||
|
||
for (i = 0, internal = program_headers, external = phdrs;
|
||
i < elf_header.e_phnum;
|
||
i ++, internal ++, external ++)
|
||
{
|
||
internal->p_type = BYTE_GET (external->p_type);
|
||
internal->p_offset = BYTE_GET (external->p_offset);
|
||
internal->p_vaddr = BYTE_GET (external->p_vaddr);
|
||
internal->p_paddr = BYTE_GET (external->p_paddr);
|
||
internal->p_filesz = BYTE_GET (external->p_filesz);
|
||
internal->p_memsz = BYTE_GET (external->p_memsz);
|
||
internal->p_flags = BYTE_GET (external->p_flags);
|
||
internal->p_align = BYTE_GET (external->p_align);
|
||
}
|
||
|
||
free (phdrs);
|
||
|
||
return 1;
|
||
}
|
||
|
||
static int
|
||
get_64bit_program_headers (file, program_headers)
|
||
FILE * file;
|
||
Elf_Internal_Phdr * program_headers;
|
||
{
|
||
Elf64_External_Phdr * phdrs;
|
||
Elf64_External_Phdr * external;
|
||
Elf64_Internal_Phdr * internal;
|
||
unsigned int i;
|
||
|
||
phdrs = ((Elf64_External_Phdr *)
|
||
get_data (NULL, file, elf_header.e_phoff,
|
||
elf_header.e_phentsize * elf_header.e_phnum,
|
||
_("program headers")));
|
||
if (!phdrs)
|
||
return 0;
|
||
|
||
for (i = 0, internal = program_headers, external = phdrs;
|
||
i < elf_header.e_phnum;
|
||
i ++, internal ++, external ++)
|
||
{
|
||
internal->p_type = BYTE_GET (external->p_type);
|
||
internal->p_flags = BYTE_GET (external->p_flags);
|
||
internal->p_offset = BYTE_GET8 (external->p_offset);
|
||
internal->p_vaddr = BYTE_GET8 (external->p_vaddr);
|
||
internal->p_paddr = BYTE_GET8 (external->p_paddr);
|
||
internal->p_filesz = BYTE_GET8 (external->p_filesz);
|
||
internal->p_memsz = BYTE_GET8 (external->p_memsz);
|
||
internal->p_align = BYTE_GET8 (external->p_align);
|
||
}
|
||
|
||
free (phdrs);
|
||
|
||
return 1;
|
||
}
|
||
|
||
static int
|
||
process_program_headers (file)
|
||
FILE * file;
|
||
{
|
||
Elf_Internal_Phdr * program_headers;
|
||
Elf_Internal_Phdr * segment;
|
||
unsigned int i;
|
||
|
||
if (elf_header.e_phnum == 0)
|
||
{
|
||
if (do_segments)
|
||
printf (_("\nThere are no program headers in this file.\n"));
|
||
return 1;
|
||
}
|
||
|
||
if (do_segments && !do_header)
|
||
{
|
||
printf (_("\nElf file type is %s\n"), get_file_type (elf_header.e_type));
|
||
printf (_("Entry point "));
|
||
print_vma ((bfd_vma) elf_header.e_entry, PREFIX_HEX);
|
||
printf (_("\nThere are %d program headers, starting at offset "),
|
||
elf_header.e_phnum);
|
||
print_vma ((bfd_vma) elf_header.e_phoff, DEC);
|
||
printf ("\n");
|
||
}
|
||
|
||
program_headers = (Elf_Internal_Phdr *) malloc
|
||
(elf_header.e_phnum * sizeof (Elf_Internal_Phdr));
|
||
|
||
if (program_headers == NULL)
|
||
{
|
||
error (_("Out of memory\n"));
|
||
return 0;
|
||
}
|
||
|
||
if (is_32bit_elf)
|
||
i = get_32bit_program_headers (file, program_headers);
|
||
else
|
||
i = get_64bit_program_headers (file, program_headers);
|
||
|
||
if (i == 0)
|
||
{
|
||
free (program_headers);
|
||
return 0;
|
||
}
|
||
|
||
if (do_segments)
|
||
{
|
||
printf
|
||
(_("\nProgram Header%s:\n"), elf_header.e_phnum > 1 ? "s" : "");
|
||
|
||
if (is_32bit_elf)
|
||
printf
|
||
(_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n"));
|
||
else if (do_wide)
|
||
printf
|
||
(_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n"));
|
||
else
|
||
{
|
||
printf
|
||
(_(" Type Offset VirtAddr PhysAddr\n"));
|
||
printf
|
||
(_(" FileSiz MemSiz Flags Align\n"));
|
||
}
|
||
}
|
||
|
||
loadaddr = -1;
|
||
dynamic_addr = 0;
|
||
dynamic_size = 0;
|
||
|
||
for (i = 0, segment = program_headers;
|
||
i < elf_header.e_phnum;
|
||
i ++, segment ++)
|
||
{
|
||
if (do_segments)
|
||
{
|
||
printf (" %-14.14s ", get_segment_type (segment->p_type));
|
||
|
||
if (is_32bit_elf)
|
||
{
|
||
printf ("0x%6.6lx ", (unsigned long) segment->p_offset);
|
||
printf ("0x%8.8lx ", (unsigned long) segment->p_vaddr);
|
||
printf ("0x%8.8lx ", (unsigned long) segment->p_paddr);
|
||
printf ("0x%5.5lx ", (unsigned long) segment->p_filesz);
|
||
printf ("0x%5.5lx ", (unsigned long) segment->p_memsz);
|
||
printf ("%c%c%c ",
|
||
(segment->p_flags & PF_R ? 'R' : ' '),
|
||
(segment->p_flags & PF_W ? 'W' : ' '),
|
||
(segment->p_flags & PF_X ? 'E' : ' '));
|
||
printf ("%#lx", (unsigned long) segment->p_align);
|
||
}
|
||
else if (do_wide)
|
||
{
|
||
if ((unsigned long) segment->p_offset == segment->p_offset)
|
||
printf ("0x%6.6lx ", (unsigned long) segment->p_offset);
|
||
else
|
||
{
|
||
print_vma (segment->p_offset, FULL_HEX);
|
||
putchar (' ');
|
||
}
|
||
|
||
print_vma (segment->p_vaddr, FULL_HEX);
|
||
putchar (' ');
|
||
print_vma (segment->p_paddr, FULL_HEX);
|
||
putchar (' ');
|
||
|
||
if ((unsigned long) segment->p_filesz == segment->p_filesz)
|
||
printf ("0x%6.6lx ", (unsigned long) segment->p_filesz);
|
||
else
|
||
{
|
||
print_vma (segment->p_filesz, FULL_HEX);
|
||
putchar (' ');
|
||
}
|
||
|
||
if ((unsigned long) segment->p_memsz == segment->p_memsz)
|
||
printf ("0x%6.6lx", (unsigned long) segment->p_memsz);
|
||
else
|
||
{
|
||
print_vma (segment->p_offset, FULL_HEX);
|
||
}
|
||
|
||
printf (" %c%c%c ",
|
||
(segment->p_flags & PF_R ? 'R' : ' '),
|
||
(segment->p_flags & PF_W ? 'W' : ' '),
|
||
(segment->p_flags & PF_X ? 'E' : ' '));
|
||
|
||
if ((unsigned long) segment->p_align == segment->p_align)
|
||
printf ("%#lx", (unsigned long) segment->p_align);
|
||
else
|
||
{
|
||
print_vma (segment->p_align, PREFIX_HEX);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
print_vma (segment->p_offset, FULL_HEX);
|
||
putchar (' ');
|
||
print_vma (segment->p_vaddr, FULL_HEX);
|
||
putchar (' ');
|
||
print_vma (segment->p_paddr, FULL_HEX);
|
||
printf ("\n ");
|
||
print_vma (segment->p_filesz, FULL_HEX);
|
||
putchar (' ');
|
||
print_vma (segment->p_memsz, FULL_HEX);
|
||
printf (" %c%c%c ",
|
||
(segment->p_flags & PF_R ? 'R' : ' '),
|
||
(segment->p_flags & PF_W ? 'W' : ' '),
|
||
(segment->p_flags & PF_X ? 'E' : ' '));
|
||
print_vma (segment->p_align, HEX);
|
||
}
|
||
}
|
||
|
||
switch (segment->p_type)
|
||
{
|
||
case PT_LOAD:
|
||
if (loadaddr == -1)
|
||
loadaddr = (segment->p_vaddr & 0xfffff000)
|
||
- (segment->p_offset & 0xfffff000);
|
||
break;
|
||
|
||
case PT_DYNAMIC:
|
||
if (dynamic_addr)
|
||
error (_("more than one dynamic segment\n"));
|
||
|
||
dynamic_addr = segment->p_offset;
|
||
dynamic_size = segment->p_filesz;
|
||
break;
|
||
|
||
case PT_INTERP:
|
||
if (fseek (file, (long) segment->p_offset, SEEK_SET))
|
||
error (_("Unable to find program interpreter name\n"));
|
||
else
|
||
{
|
||
program_interpreter[0] = 0;
|
||
fscanf (file, "%63s", program_interpreter);
|
||
|
||
if (do_segments)
|
||
printf (_("\n [Requesting program interpreter: %s]"),
|
||
program_interpreter);
|
||
}
|
||
break;
|
||
}
|
||
|
||
if (do_segments)
|
||
putc ('\n', stdout);
|
||
}
|
||
|
||
if (loadaddr == -1)
|
||
{
|
||
/* Very strange. */
|
||
loadaddr = 0;
|
||
}
|
||
|
||
if (do_segments && section_headers != NULL)
|
||
{
|
||
printf (_("\n Section to Segment mapping:\n"));
|
||
printf (_(" Segment Sections...\n"));
|
||
|
||
assert (string_table != NULL);
|
||
|
||
for (i = 0; i < elf_header.e_phnum; i++)
|
||
{
|
||
unsigned int j;
|
||
Elf_Internal_Shdr * section;
|
||
|
||
segment = program_headers + i;
|
||
section = section_headers;
|
||
|
||
printf (" %2.2d ", i);
|
||
|
||
for (j = 1; j < elf_header.e_shnum; j++, section ++)
|
||
{
|
||
if (section->sh_size > 0
|
||
/* Compare allocated sections by VMA, unallocated
|
||
sections by file offset. */
|
||
&& (section->sh_flags & SHF_ALLOC
|
||
? (section->sh_addr >= segment->p_vaddr
|
||
&& section->sh_addr + section->sh_size
|
||
<= segment->p_vaddr + segment->p_memsz)
|
||
: ((bfd_vma) section->sh_offset >= segment->p_offset
|
||
&& (section->sh_offset + section->sh_size
|
||
<= segment->p_offset + segment->p_filesz))))
|
||
printf ("%s ", SECTION_NAME (section));
|
||
}
|
||
|
||
putc ('\n',stdout);
|
||
}
|
||
}
|
||
|
||
free (program_headers);
|
||
|
||
return 1;
|
||
}
|
||
|
||
|
||
static int
|
||
get_32bit_section_headers (file, num)
|
||
FILE * file;
|
||
unsigned int num;
|
||
{
|
||
Elf32_External_Shdr * shdrs;
|
||
Elf32_Internal_Shdr * internal;
|
||
unsigned int i;
|
||
|
||
shdrs = ((Elf32_External_Shdr *)
|
||
get_data (NULL, file, elf_header.e_shoff,
|
||
elf_header.e_shentsize * num,
|
||
_("section headers")));
|
||
if (!shdrs)
|
||
return 0;
|
||
|
||
section_headers = ((Elf_Internal_Shdr *)
|
||
malloc (num * sizeof (Elf_Internal_Shdr)));
|
||
|
||
if (section_headers == NULL)
|
||
{
|
||
error (_("Out of memory\n"));
|
||
return 0;
|
||
}
|
||
|
||
for (i = 0, internal = section_headers;
|
||
i < num;
|
||
i ++, internal ++)
|
||
{
|
||
internal->sh_name = BYTE_GET (shdrs[i].sh_name);
|
||
internal->sh_type = BYTE_GET (shdrs[i].sh_type);
|
||
internal->sh_flags = BYTE_GET (shdrs[i].sh_flags);
|
||
internal->sh_addr = BYTE_GET (shdrs[i].sh_addr);
|
||
internal->sh_offset = BYTE_GET (shdrs[i].sh_offset);
|
||
internal->sh_size = BYTE_GET (shdrs[i].sh_size);
|
||
internal->sh_link = BYTE_GET (shdrs[i].sh_link);
|
||
internal->sh_info = BYTE_GET (shdrs[i].sh_info);
|
||
internal->sh_addralign = BYTE_GET (shdrs[i].sh_addralign);
|
||
internal->sh_entsize = BYTE_GET (shdrs[i].sh_entsize);
|
||
}
|
||
|
||
free (shdrs);
|
||
|
||
return 1;
|
||
}
|
||
|
||
static int
|
||
get_64bit_section_headers (file, num)
|
||
FILE * file;
|
||
unsigned int num;
|
||
{
|
||
Elf64_External_Shdr * shdrs;
|
||
Elf64_Internal_Shdr * internal;
|
||
unsigned int i;
|
||
|
||
shdrs = ((Elf64_External_Shdr *)
|
||
get_data (NULL, file, elf_header.e_shoff,
|
||
elf_header.e_shentsize * num,
|
||
_("section headers")));
|
||
if (!shdrs)
|
||
return 0;
|
||
|
||
section_headers = ((Elf_Internal_Shdr *)
|
||
malloc (num * sizeof (Elf_Internal_Shdr)));
|
||
|
||
if (section_headers == NULL)
|
||
{
|
||
error (_("Out of memory\n"));
|
||
return 0;
|
||
}
|
||
|
||
for (i = 0, internal = section_headers;
|
||
i < num;
|
||
i ++, internal ++)
|
||
{
|
||
internal->sh_name = BYTE_GET (shdrs[i].sh_name);
|
||
internal->sh_type = BYTE_GET (shdrs[i].sh_type);
|
||
internal->sh_flags = BYTE_GET8 (shdrs[i].sh_flags);
|
||
internal->sh_addr = BYTE_GET8 (shdrs[i].sh_addr);
|
||
internal->sh_size = BYTE_GET8 (shdrs[i].sh_size);
|
||
internal->sh_entsize = BYTE_GET8 (shdrs[i].sh_entsize);
|
||
internal->sh_link = BYTE_GET (shdrs[i].sh_link);
|
||
internal->sh_info = BYTE_GET (shdrs[i].sh_info);
|
||
internal->sh_offset = BYTE_GET (shdrs[i].sh_offset);
|
||
internal->sh_addralign = BYTE_GET (shdrs[i].sh_addralign);
|
||
}
|
||
|
||
free (shdrs);
|
||
|
||
return 1;
|
||
}
|
||
|
||
static Elf_Internal_Sym *
|
||
get_32bit_elf_symbols (file, section)
|
||
FILE * file;
|
||
Elf_Internal_Shdr *section;
|
||
{
|
||
unsigned long number;
|
||
Elf32_External_Sym * esyms;
|
||
Elf_External_Sym_Shndx *shndx;
|
||
Elf_Internal_Sym * isyms;
|
||
Elf_Internal_Sym * psym;
|
||
unsigned int j;
|
||
|
||
esyms = ((Elf32_External_Sym *)
|
||
get_data (NULL, file, section->sh_offset,
|
||
section->sh_size, _("symbols")));
|
||
if (!esyms)
|
||
return NULL;
|
||
|
||
shndx = NULL;
|
||
if (symtab_shndx_hdr != NULL
|
||
&& (symtab_shndx_hdr->sh_link
|
||
== (unsigned long) SECTION_HEADER_NUM (section - section_headers)))
|
||
{
|
||
shndx = ((Elf_External_Sym_Shndx *)
|
||
get_data (NULL, file, symtab_shndx_hdr->sh_offset,
|
||
symtab_shndx_hdr->sh_size, _("symtab shndx")));
|
||
if (!shndx)
|
||
{
|
||
free (esyms);
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
number = section->sh_size / section->sh_entsize;
|
||
isyms = (Elf_Internal_Sym *) malloc (number * sizeof (Elf_Internal_Sym));
|
||
|
||
if (isyms == NULL)
|
||
{
|
||
error (_("Out of memory\n"));
|
||
if (shndx)
|
||
free (shndx);
|
||
free (esyms);
|
||
return NULL;
|
||
}
|
||
|
||
for (j = 0, psym = isyms;
|
||
j < number;
|
||
j ++, psym ++)
|
||
{
|
||
psym->st_name = BYTE_GET (esyms[j].st_name);
|
||
psym->st_value = BYTE_GET (esyms[j].st_value);
|
||
psym->st_size = BYTE_GET (esyms[j].st_size);
|
||
psym->st_shndx = BYTE_GET (esyms[j].st_shndx);
|
||
if (psym->st_shndx == SHN_XINDEX && shndx != NULL)
|
||
psym->st_shndx
|
||
= byte_get ((unsigned char *) &shndx[j], sizeof (shndx[j]));
|
||
psym->st_info = BYTE_GET (esyms[j].st_info);
|
||
psym->st_other = BYTE_GET (esyms[j].st_other);
|
||
}
|
||
|
||
if (shndx)
|
||
free (shndx);
|
||
free (esyms);
|
||
|
||
return isyms;
|
||
}
|
||
|
||
static Elf_Internal_Sym *
|
||
get_64bit_elf_symbols (file, section)
|
||
FILE * file;
|
||
Elf_Internal_Shdr *section;
|
||
{
|
||
unsigned long number;
|
||
Elf64_External_Sym * esyms;
|
||
Elf_External_Sym_Shndx *shndx;
|
||
Elf_Internal_Sym * isyms;
|
||
Elf_Internal_Sym * psym;
|
||
unsigned int j;
|
||
|
||
esyms = ((Elf64_External_Sym *)
|
||
get_data (NULL, file, section->sh_offset,
|
||
section->sh_size, _("symbols")));
|
||
if (!esyms)
|
||
return NULL;
|
||
|
||
shndx = NULL;
|
||
if (symtab_shndx_hdr != NULL
|
||
&& (symtab_shndx_hdr->sh_link
|
||
== (unsigned long) SECTION_HEADER_NUM (section - section_headers)))
|
||
{
|
||
shndx = ((Elf_External_Sym_Shndx *)
|
||
get_data (NULL, file, symtab_shndx_hdr->sh_offset,
|
||
symtab_shndx_hdr->sh_size, _("symtab shndx")));
|
||
if (!shndx)
|
||
{
|
||
free (esyms);
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
number = section->sh_size / section->sh_entsize;
|
||
isyms = (Elf_Internal_Sym *) malloc (number * sizeof (Elf_Internal_Sym));
|
||
|
||
if (isyms == NULL)
|
||
{
|
||
error (_("Out of memory\n"));
|
||
if (shndx)
|
||
free (shndx);
|
||
free (esyms);
|
||
return NULL;
|
||
}
|
||
|
||
for (j = 0, psym = isyms;
|
||
j < number;
|
||
j ++, psym ++)
|
||
{
|
||
psym->st_name = BYTE_GET (esyms[j].st_name);
|
||
psym->st_info = BYTE_GET (esyms[j].st_info);
|
||
psym->st_other = BYTE_GET (esyms[j].st_other);
|
||
psym->st_shndx = BYTE_GET (esyms[j].st_shndx);
|
||
if (psym->st_shndx == SHN_XINDEX && shndx != NULL)
|
||
psym->st_shndx
|
||
= byte_get ((unsigned char *) &shndx[j], sizeof (shndx[j]));
|
||
psym->st_value = BYTE_GET8 (esyms[j].st_value);
|
||
psym->st_size = BYTE_GET8 (esyms[j].st_size);
|
||
}
|
||
|
||
if (shndx)
|
||
free (shndx);
|
||
free (esyms);
|
||
|
||
return isyms;
|
||
}
|
||
|
||
static const char *
|
||
get_elf_section_flags (sh_flags)
|
||
bfd_vma sh_flags;
|
||
{
|
||
static char buff [32];
|
||
|
||
* buff = 0;
|
||
|
||
while (sh_flags)
|
||
{
|
||
bfd_vma flag;
|
||
|
||
flag = sh_flags & - sh_flags;
|
||
sh_flags &= ~ flag;
|
||
|
||
switch (flag)
|
||
{
|
||
case SHF_WRITE: strcat (buff, "W"); break;
|
||
case SHF_ALLOC: strcat (buff, "A"); break;
|
||
case SHF_EXECINSTR: strcat (buff, "X"); break;
|
||
case SHF_MERGE: strcat (buff, "M"); break;
|
||
case SHF_STRINGS: strcat (buff, "S"); break;
|
||
case SHF_INFO_LINK: strcat (buff, "I"); break;
|
||
case SHF_LINK_ORDER: strcat (buff, "L"); break;
|
||
case SHF_OS_NONCONFORMING: strcat (buff, "O"); break;
|
||
case SHF_GROUP: strcat (buff, "G"); break;
|
||
|
||
default:
|
||
if (flag & SHF_MASKOS)
|
||
{
|
||
strcat (buff, "o");
|
||
sh_flags &= ~ SHF_MASKOS;
|
||
}
|
||
else if (flag & SHF_MASKPROC)
|
||
{
|
||
strcat (buff, "p");
|
||
sh_flags &= ~ SHF_MASKPROC;
|
||
}
|
||
else
|
||
strcat (buff, "x");
|
||
break;
|
||
}
|
||
}
|
||
|
||
return buff;
|
||
}
|
||
|
||
static int
|
||
process_section_headers (file)
|
||
FILE * file;
|
||
{
|
||
Elf_Internal_Shdr * section;
|
||
unsigned int i;
|
||
|
||
section_headers = NULL;
|
||
|
||
if (elf_header.e_shnum == 0)
|
||
{
|
||
if (do_sections)
|
||
printf (_("\nThere are no sections in this file.\n"));
|
||
|
||
return 1;
|
||
}
|
||
|
||
if (do_sections && !do_header)
|
||
printf (_("There are %d section headers, starting at offset 0x%lx:\n"),
|
||
elf_header.e_shnum, (unsigned long) elf_header.e_shoff);
|
||
|
||
if (is_32bit_elf)
|
||
{
|
||
if (! get_32bit_section_headers (file, elf_header.e_shnum))
|
||
return 0;
|
||
}
|
||
else if (! get_64bit_section_headers (file, elf_header.e_shnum))
|
||
return 0;
|
||
|
||
/* Read in the string table, so that we have names to display. */
|
||
section = SECTION_HEADER (elf_header.e_shstrndx);
|
||
|
||
if (section->sh_size != 0)
|
||
{
|
||
string_table = (char *) get_data (NULL, file, section->sh_offset,
|
||
section->sh_size, _("string table"));
|
||
|
||
string_table_length = section->sh_size;
|
||
}
|
||
|
||
/* Scan the sections for the dynamic symbol table
|
||
and dynamic string table and debug sections. */
|
||
dynamic_symbols = NULL;
|
||
dynamic_strings = NULL;
|
||
dynamic_syminfo = NULL;
|
||
|
||
for (i = 0, section = section_headers;
|
||
i < elf_header.e_shnum;
|
||
i ++, section ++)
|
||
{
|
||
char * name = SECTION_NAME (section);
|
||
|
||
if (section->sh_type == SHT_DYNSYM)
|
||
{
|
||
if (dynamic_symbols != NULL)
|
||
{
|
||
error (_("File contains multiple dynamic symbol tables\n"));
|
||
continue;
|
||
}
|
||
|
||
num_dynamic_syms = section->sh_size / section->sh_entsize;
|
||
dynamic_symbols = GET_ELF_SYMBOLS (file, section);
|
||
}
|
||
else if (section->sh_type == SHT_STRTAB
|
||
&& strcmp (name, ".dynstr") == 0)
|
||
{
|
||
if (dynamic_strings != NULL)
|
||
{
|
||
error (_("File contains multiple dynamic string tables\n"));
|
||
continue;
|
||
}
|
||
|
||
dynamic_strings = (char *) get_data (NULL, file, section->sh_offset,
|
||
section->sh_size,
|
||
_("dynamic strings"));
|
||
}
|
||
else if (section->sh_type == SHT_SYMTAB_SHNDX)
|
||
{
|
||
if (symtab_shndx_hdr != NULL)
|
||
{
|
||
error (_("File contains multiple symtab shndx tables\n"));
|
||
continue;
|
||
}
|
||
symtab_shndx_hdr = section;
|
||
}
|
||
else if ((do_debugging || do_debug_info || do_debug_abbrevs
|
||
|| do_debug_lines || do_debug_pubnames || do_debug_aranges
|
||
|| do_debug_frames || do_debug_macinfo || do_debug_str)
|
||
&& strncmp (name, ".debug_", 7) == 0)
|
||
{
|
||
name += 7;
|
||
|
||
if (do_debugging
|
||
|| (do_debug_info && (strcmp (name, "info") == 0))
|
||
|| (do_debug_abbrevs && (strcmp (name, "abbrev") == 0))
|
||
|| (do_debug_lines && (strcmp (name, "line") == 0))
|
||
|| (do_debug_pubnames && (strcmp (name, "pubnames") == 0))
|
||
|| (do_debug_aranges && (strcmp (name, "aranges") == 0))
|
||
|| (do_debug_frames && (strcmp (name, "frame") == 0))
|
||
|| (do_debug_macinfo && (strcmp (name, "macinfo") == 0))
|
||
|| (do_debug_str && (strcmp (name, "str") == 0))
|
||
)
|
||
request_dump (i, DEBUG_DUMP);
|
||
}
|
||
/* linkonce section to be combined with .debug_info at link time. */
|
||
else if ((do_debugging || do_debug_info)
|
||
&& strncmp (name, ".gnu.linkonce.wi.", 17) == 0)
|
||
request_dump (i, DEBUG_DUMP);
|
||
else if (do_debug_frames && strcmp (name, ".eh_frame") == 0)
|
||
request_dump (i, DEBUG_DUMP);
|
||
}
|
||
|
||
if (! do_sections)
|
||
return 1;
|
||
|
||
printf (_("\nSection Header%s:\n"), elf_header.e_shnum > 1 ? "s" : "");
|
||
|
||
if (is_32bit_elf)
|
||
printf
|
||
(_(" [Nr] Name Type Addr Off Size ES Flg Lk Inf Al\n"));
|
||
else if (do_wide)
|
||
printf
|
||
(_(" [Nr] Name Type Address Off Size ES Flg Lk Inf Al\n"));
|
||
else
|
||
{
|
||
printf (_(" [Nr] Name Type Address Offset\n"));
|
||
printf (_(" Size EntSize Flags Link Info Align\n"));
|
||
}
|
||
|
||
for (i = 0, section = section_headers;
|
||
i < elf_header.e_shnum;
|
||
i ++, section ++)
|
||
{
|
||
printf (" [%2u] %-17.17s %-15.15s ",
|
||
SECTION_HEADER_NUM (i),
|
||
SECTION_NAME (section),
|
||
get_section_type_name (section->sh_type));
|
||
|
||
if (is_32bit_elf)
|
||
{
|
||
print_vma (section->sh_addr, LONG_HEX);
|
||
|
||
printf ( " %6.6lx %6.6lx %2.2lx",
|
||
(unsigned long) section->sh_offset,
|
||
(unsigned long) section->sh_size,
|
||
(unsigned long) section->sh_entsize);
|
||
|
||
printf (" %3s ", get_elf_section_flags (section->sh_flags));
|
||
|
||
printf ("%2ld %3lx %2ld\n",
|
||
(unsigned long) section->sh_link,
|
||
(unsigned long) section->sh_info,
|
||
(unsigned long) section->sh_addralign);
|
||
}
|
||
else if (do_wide)
|
||
{
|
||
print_vma (section->sh_addr, LONG_HEX);
|
||
|
||
if ((long) section->sh_offset == section->sh_offset)
|
||
printf (" %6.6lx", (unsigned long) section->sh_offset);
|
||
else
|
||
{
|
||
putchar (' ');
|
||
print_vma (section->sh_offset, LONG_HEX);
|
||
}
|
||
|
||
if ((unsigned long) section->sh_size == section->sh_size)
|
||
printf (" %6.6lx", (unsigned long) section->sh_size);
|
||
else
|
||
{
|
||
putchar (' ');
|
||
print_vma (section->sh_size, LONG_HEX);
|
||
}
|
||
|
||
if ((unsigned long) section->sh_entsize == section->sh_entsize)
|
||
printf (" %2.2lx", (unsigned long) section->sh_entsize);
|
||
else
|
||
{
|
||
putchar (' ');
|
||
print_vma (section->sh_entsize, LONG_HEX);
|
||
}
|
||
|
||
printf (" %3s ", get_elf_section_flags (section->sh_flags));
|
||
|
||
printf ("%2ld %3lx ",
|
||
(unsigned long) section->sh_link,
|
||
(unsigned long) section->sh_info);
|
||
|
||
if ((unsigned long) section->sh_addralign == section->sh_addralign)
|
||
printf ("%2ld\n", (unsigned long) section->sh_addralign);
|
||
else
|
||
{
|
||
print_vma (section->sh_addralign, DEC);
|
||
putchar ('\n');
|
||
}
|
||
}
|
||
else
|
||
{
|
||
putchar (' ');
|
||
print_vma (section->sh_addr, LONG_HEX);
|
||
if ((long) section->sh_offset == section->sh_offset)
|
||
printf (" %8.8lx", (unsigned long) section->sh_offset);
|
||
else
|
||
{
|
||
printf (" ");
|
||
print_vma (section->sh_offset, LONG_HEX);
|
||
}
|
||
printf ("\n ");
|
||
print_vma (section->sh_size, LONG_HEX);
|
||
printf (" ");
|
||
print_vma (section->sh_entsize, LONG_HEX);
|
||
|
||
printf (" %3s ", get_elf_section_flags (section->sh_flags));
|
||
|
||
printf (" %2ld %3lx %ld\n",
|
||
(unsigned long) section->sh_link,
|
||
(unsigned long) section->sh_info,
|
||
(unsigned long) section->sh_addralign);
|
||
}
|
||
}
|
||
|
||
printf (_("Key to Flags:\n\
|
||
W (write), A (alloc), X (execute), M (merge), S (strings)\n\
|
||
I (info), L (link order), G (group), x (unknown)\n\
|
||
O (extra OS processing required) o (OS specific), p (processor specific)\n"));
|
||
|
||
return 1;
|
||
}
|
||
|
||
/* Process the reloc section. */
|
||
static int
|
||
process_relocs (file)
|
||
FILE * file;
|
||
{
|
||
unsigned long rel_size;
|
||
unsigned long rel_offset;
|
||
|
||
|
||
if (!do_reloc)
|
||
return 1;
|
||
|
||
if (do_using_dynamic)
|
||
{
|
||
int is_rela = FALSE;
|
||
|
||
rel_size = 0;
|
||
rel_offset = 0;
|
||
|
||
if (dynamic_info[DT_REL])
|
||
{
|
||
rel_offset = dynamic_info[DT_REL];
|
||
rel_size = dynamic_info[DT_RELSZ];
|
||
is_rela = FALSE;
|
||
}
|
||
else if (dynamic_info [DT_RELA])
|
||
{
|
||
rel_offset = dynamic_info[DT_RELA];
|
||
rel_size = dynamic_info[DT_RELASZ];
|
||
is_rela = TRUE;
|
||
}
|
||
else if (dynamic_info[DT_JMPREL])
|
||
{
|
||
rel_offset = dynamic_info[DT_JMPREL];
|
||
rel_size = dynamic_info[DT_PLTRELSZ];
|
||
|
||
switch (dynamic_info[DT_PLTREL])
|
||
{
|
||
case DT_REL:
|
||
is_rela = FALSE;
|
||
break;
|
||
case DT_RELA:
|
||
is_rela = TRUE;
|
||
break;
|
||
default:
|
||
is_rela = UNKNOWN;
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (rel_size)
|
||
{
|
||
printf
|
||
(_("\nRelocation section at offset 0x%lx contains %ld bytes:\n"),
|
||
rel_offset, rel_size);
|
||
|
||
dump_relocations (file, rel_offset - loadaddr, rel_size,
|
||
dynamic_symbols, num_dynamic_syms, dynamic_strings, is_rela);
|
||
}
|
||
else
|
||
printf (_("\nThere are no dynamic relocations in this file.\n"));
|
||
}
|
||
else
|
||
{
|
||
Elf32_Internal_Shdr * section;
|
||
unsigned long i;
|
||
int found = 0;
|
||
|
||
for (i = 0, section = section_headers;
|
||
i < elf_header.e_shnum;
|
||
i++, section ++)
|
||
{
|
||
if ( section->sh_type != SHT_RELA
|
||
&& section->sh_type != SHT_REL)
|
||
continue;
|
||
|
||
rel_offset = section->sh_offset;
|
||
rel_size = section->sh_size;
|
||
|
||
if (rel_size)
|
||
{
|
||
Elf32_Internal_Shdr * strsec;
|
||
Elf_Internal_Sym * symtab;
|
||
char * strtab;
|
||
int is_rela;
|
||
unsigned long nsyms;
|
||
|
||
printf (_("\nRelocation section "));
|
||
|
||
if (string_table == NULL)
|
||
printf ("%d", section->sh_name);
|
||
else
|
||
printf ("'%s'", SECTION_NAME (section));
|
||
|
||
printf (_(" at offset 0x%lx contains %lu entries:\n"),
|
||
rel_offset, (unsigned long) (rel_size / section->sh_entsize));
|
||
|
||
symtab = NULL;
|
||
strtab = NULL;
|
||
nsyms = 0;
|
||
if (section->sh_link)
|
||
{
|
||
Elf32_Internal_Shdr * symsec;
|
||
|
||
symsec = SECTION_HEADER (section->sh_link);
|
||
nsyms = symsec->sh_size / symsec->sh_entsize;
|
||
symtab = GET_ELF_SYMBOLS (file, symsec);
|
||
|
||
if (symtab == NULL)
|
||
continue;
|
||
|
||
strsec = SECTION_HEADER (symsec->sh_link);
|
||
|
||
strtab = (char *) get_data (NULL, file, strsec->sh_offset,
|
||
strsec->sh_size,
|
||
_("string table"));
|
||
}
|
||
is_rela = section->sh_type == SHT_RELA;
|
||
|
||
dump_relocations (file, rel_offset, rel_size,
|
||
symtab, nsyms, strtab, is_rela);
|
||
|
||
if (strtab)
|
||
free (strtab);
|
||
if (symtab)
|
||
free (symtab);
|
||
|
||
found = 1;
|
||
}
|
||
}
|
||
|
||
if (! found)
|
||
printf (_("\nThere are no relocations in this file.\n"));
|
||
}
|
||
|
||
return 1;
|
||
}
|
||
|
||
#include "unwind-ia64.h"
|
||
|
||
/* An absolute address consists of a section and an offset. If the
|
||
section is NULL, the offset itself is the address, otherwise, the
|
||
address equals to LOAD_ADDRESS(section) + offset. */
|
||
|
||
struct absaddr
|
||
{
|
||
unsigned short section;
|
||
bfd_vma offset;
|
||
};
|
||
|
||
struct unw_aux_info
|
||
{
|
||
struct unw_table_entry
|
||
{
|
||
struct absaddr start;
|
||
struct absaddr end;
|
||
struct absaddr info;
|
||
}
|
||
*table; /* Unwind table. */
|
||
unsigned long table_len; /* Length of unwind table. */
|
||
unsigned char * info; /* Unwind info. */
|
||
unsigned long info_size; /* Size of unwind info. */
|
||
bfd_vma info_addr; /* starting address of unwind info. */
|
||
bfd_vma seg_base; /* Starting address of segment. */
|
||
Elf_Internal_Sym * symtab; /* The symbol table. */
|
||
unsigned long nsyms; /* Number of symbols. */
|
||
char * strtab; /* The string table. */
|
||
unsigned long strtab_size; /* Size of string table. */
|
||
};
|
||
|
||
static void find_symbol_for_address PARAMS ((struct unw_aux_info *,
|
||
struct absaddr, const char **,
|
||
bfd_vma *));
|
||
static void dump_ia64_unwind PARAMS ((struct unw_aux_info *));
|
||
static int slurp_ia64_unwind_table PARAMS ((FILE *, struct unw_aux_info *,
|
||
Elf32_Internal_Shdr *));
|
||
|
||
static void
|
||
find_symbol_for_address (aux, addr, symname, offset)
|
||
struct unw_aux_info *aux;
|
||
struct absaddr addr;
|
||
const char **symname;
|
||
bfd_vma *offset;
|
||
{
|
||
bfd_vma dist = (bfd_vma) 0x100000;
|
||
Elf_Internal_Sym *sym, *best = NULL;
|
||
unsigned long i;
|
||
|
||
for (i = 0, sym = aux->symtab; i < aux->nsyms; ++i, ++sym)
|
||
{
|
||
if (ELF_ST_TYPE (sym->st_info) == STT_FUNC
|
||
&& sym->st_name != 0
|
||
&& (addr.section == SHN_UNDEF || addr.section == sym->st_shndx)
|
||
&& addr.offset >= sym->st_value
|
||
&& addr.offset - sym->st_value < dist)
|
||
{
|
||
best = sym;
|
||
dist = addr.offset - sym->st_value;
|
||
if (!dist)
|
||
break;
|
||
}
|
||
}
|
||
if (best)
|
||
{
|
||
*symname = (best->st_name >= aux->strtab_size
|
||
? "<corrupt>" : aux->strtab + best->st_name);
|
||
*offset = dist;
|
||
return;
|
||
}
|
||
*symname = NULL;
|
||
*offset = addr.offset;
|
||
}
|
||
|
||
static void
|
||
dump_ia64_unwind (aux)
|
||
struct unw_aux_info *aux;
|
||
{
|
||
bfd_vma addr_size;
|
||
struct unw_table_entry * tp;
|
||
int in_body;
|
||
|
||
addr_size = is_32bit_elf ? 4 : 8;
|
||
|
||
for (tp = aux->table; tp < aux->table + aux->table_len; ++tp)
|
||
{
|
||
bfd_vma stamp;
|
||
bfd_vma offset;
|
||
const unsigned char * dp;
|
||
const unsigned char * head;
|
||
const char * procname;
|
||
|
||
find_symbol_for_address (aux, tp->start, &procname, &offset);
|
||
|
||
fputs ("\n<", stdout);
|
||
|
||
if (procname)
|
||
{
|
||
fputs (procname, stdout);
|
||
|
||
if (offset)
|
||
printf ("+%lx", (unsigned long) offset);
|
||
}
|
||
|
||
fputs (">: [", stdout);
|
||
print_vma (tp->start.offset, PREFIX_HEX);
|
||
fputc ('-', stdout);
|
||
print_vma (tp->end.offset, PREFIX_HEX);
|
||
printf ("), info at +0x%lx\n",
|
||
(unsigned long) (tp->info.offset - aux->seg_base));
|
||
|
||
head = aux->info + (tp->info.offset - aux->info_addr);
|
||
stamp = BYTE_GET8 ((unsigned char *) head);
|
||
|
||
printf (" v%u, flags=0x%lx (%s%s ), len=%lu bytes\n",
|
||
(unsigned) UNW_VER (stamp),
|
||
(unsigned long) ((stamp & UNW_FLAG_MASK) >> 32),
|
||
UNW_FLAG_EHANDLER (stamp) ? " ehandler" : "",
|
||
UNW_FLAG_UHANDLER (stamp) ? " uhandler" : "",
|
||
(unsigned long) (addr_size * UNW_LENGTH (stamp)));
|
||
|
||
if (UNW_VER (stamp) != 1)
|
||
{
|
||
printf ("\tUnknown version.\n");
|
||
continue;
|
||
}
|
||
|
||
in_body = 0;
|
||
for (dp = head + 8; dp < head + 8 + addr_size * UNW_LENGTH (stamp);)
|
||
dp = unw_decode (dp, in_body, & in_body);
|
||
}
|
||
}
|
||
|
||
static int
|
||
slurp_ia64_unwind_table (file, aux, sec)
|
||
FILE *file;
|
||
struct unw_aux_info *aux;
|
||
Elf32_Internal_Shdr *sec;
|
||
{
|
||
unsigned long size, addr_size, nrelas, i;
|
||
Elf_Internal_Phdr *prog_hdrs, *seg;
|
||
struct unw_table_entry *tep;
|
||
Elf32_Internal_Shdr *relsec;
|
||
Elf_Internal_Rela *rela, *rp;
|
||
unsigned char *table, *tp;
|
||
Elf_Internal_Sym *sym;
|
||
const char *relname;
|
||
int result;
|
||
|
||
addr_size = is_32bit_elf ? 4 : 8;
|
||
|
||
/* First, find the starting address of the segment that includes
|
||
this section: */
|
||
|
||
if (elf_header.e_phnum)
|
||
{
|
||
prog_hdrs = (Elf_Internal_Phdr *)
|
||
xmalloc (elf_header.e_phnum * sizeof (Elf_Internal_Phdr));
|
||
|
||
if (is_32bit_elf)
|
||
result = get_32bit_program_headers (file, prog_hdrs);
|
||
else
|
||
result = get_64bit_program_headers (file, prog_hdrs);
|
||
|
||
if (!result)
|
||
{
|
||
free (prog_hdrs);
|
||
return 0;
|
||
}
|
||
|
||
for (seg = prog_hdrs; seg < prog_hdrs + elf_header.e_phnum; ++seg)
|
||
{
|
||
if (seg->p_type != PT_LOAD)
|
||
continue;
|
||
|
||
if (sec->sh_addr >= seg->p_vaddr
|
||
&& (sec->sh_addr + sec->sh_size <= seg->p_vaddr + seg->p_memsz))
|
||
{
|
||
aux->seg_base = seg->p_vaddr;
|
||
break;
|
||
}
|
||
}
|
||
|
||
free (prog_hdrs);
|
||
}
|
||
|
||
/* Second, build the unwind table from the contents of the unwind section: */
|
||
size = sec->sh_size;
|
||
table = (char *) get_data (NULL, file, sec->sh_offset,
|
||
size, _("unwind table"));
|
||
if (!table)
|
||
return 0;
|
||
|
||
tep = aux->table = xmalloc (size / (3 * addr_size) * sizeof (aux->table[0]));
|
||
for (tp = table; tp < table + size; tp += 3 * addr_size, ++ tep)
|
||
{
|
||
tep->start.section = SHN_UNDEF;
|
||
tep->end.section = SHN_UNDEF;
|
||
tep->info.section = SHN_UNDEF;
|
||
if (is_32bit_elf)
|
||
{
|
||
tep->start.offset = byte_get ((unsigned char *) tp + 0, 4);
|
||
tep->end.offset = byte_get ((unsigned char *) tp + 4, 4);
|
||
tep->info.offset = byte_get ((unsigned char *) tp + 8, 4);
|
||
}
|
||
else
|
||
{
|
||
tep->start.offset = BYTE_GET8 ((unsigned char *) tp + 0);
|
||
tep->end.offset = BYTE_GET8 ((unsigned char *) tp + 8);
|
||
tep->info.offset = BYTE_GET8 ((unsigned char *) tp + 16);
|
||
}
|
||
tep->start.offset += aux->seg_base;
|
||
tep->end.offset += aux->seg_base;
|
||
tep->info.offset += aux->seg_base;
|
||
}
|
||
free (table);
|
||
|
||
/* Third, apply any relocations to the unwind table: */
|
||
|
||
for (relsec = section_headers;
|
||
relsec < section_headers + elf_header.e_shnum;
|
||
++relsec)
|
||
{
|
||
if (relsec->sh_type != SHT_RELA
|
||
|| SECTION_HEADER (relsec->sh_info) != sec)
|
||
continue;
|
||
|
||
if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size,
|
||
& rela, & nrelas))
|
||
return 0;
|
||
|
||
for (rp = rela; rp < rela + nrelas; ++rp)
|
||
{
|
||
if (is_32bit_elf)
|
||
{
|
||
relname = elf_ia64_reloc_type (ELF32_R_TYPE (rp->r_info));
|
||
sym = aux->symtab + ELF32_R_SYM (rp->r_info);
|
||
|
||
if (ELF32_ST_TYPE (sym->st_info) != STT_SECTION)
|
||
{
|
||
warn (_("Skipping unexpected symbol type %u\n"),
|
||
ELF32_ST_TYPE (sym->st_info));
|
||
continue;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
relname = elf_ia64_reloc_type (ELF64_R_TYPE (rp->r_info));
|
||
sym = aux->symtab + ELF64_R_SYM (rp->r_info);
|
||
|
||
if (ELF64_ST_TYPE (sym->st_info) != STT_SECTION)
|
||
{
|
||
warn (_("Skipping unexpected symbol type %u\n"),
|
||
ELF64_ST_TYPE (sym->st_info));
|
||
continue;
|
||
}
|
||
}
|
||
|
||
if (strncmp (relname, "R_IA64_SEGREL", 13) != 0)
|
||
{
|
||
warn (_("Skipping unexpected relocation type %s\n"), relname);
|
||
continue;
|
||
}
|
||
|
||
i = rp->r_offset / (3 * addr_size);
|
||
|
||
switch (rp->r_offset/addr_size % 3)
|
||
{
|
||
case 0:
|
||
aux->table[i].start.section = sym->st_shndx;
|
||
aux->table[i].start.offset += rp->r_addend;
|
||
break;
|
||
case 1:
|
||
aux->table[i].end.section = sym->st_shndx;
|
||
aux->table[i].end.offset += rp->r_addend;
|
||
break;
|
||
case 2:
|
||
aux->table[i].info.section = sym->st_shndx;
|
||
aux->table[i].info.offset += rp->r_addend;
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
|
||
free (rela);
|
||
}
|
||
|
||
aux->table_len = size / (3 * addr_size);
|
||
return 1;
|
||
}
|
||
|
||
static int
|
||
process_unwind (file)
|
||
FILE * file;
|
||
{
|
||
Elf32_Internal_Shdr *sec, *unwsec = NULL, *strsec;
|
||
unsigned long i, addr_size, unwcount = 0, unwstart = 0;
|
||
struct unw_aux_info aux;
|
||
|
||
if (!do_unwind)
|
||
return 1;
|
||
|
||
if (elf_header.e_machine != EM_IA_64)
|
||
{
|
||
printf (_("\nThere are no unwind sections in this file.\n"));
|
||
return 1;
|
||
}
|
||
|
||
memset (& aux, 0, sizeof (aux));
|
||
|
||
addr_size = is_32bit_elf ? 4 : 8;
|
||
|
||
for (i = 0, sec = section_headers; i < elf_header.e_shnum; ++i, ++sec)
|
||
{
|
||
if (sec->sh_type == SHT_SYMTAB)
|
||
{
|
||
aux.nsyms = sec->sh_size / sec->sh_entsize;
|
||
aux.symtab = GET_ELF_SYMBOLS (file, sec);
|
||
|
||
strsec = SECTION_HEADER (sec->sh_link);
|
||
aux.strtab_size = strsec->sh_size;
|
||
aux.strtab = (char *) get_data (NULL, file, strsec->sh_offset,
|
||
aux.strtab_size, _("string table"));
|
||
}
|
||
else if (sec->sh_type == SHT_IA_64_UNWIND)
|
||
unwcount++;
|
||
}
|
||
|
||
if (!unwcount)
|
||
printf (_("\nThere are no unwind sections in this file.\n"));
|
||
|
||
while (unwcount-- > 0)
|
||
{
|
||
char *suffix;
|
||
size_t len, len2;
|
||
|
||
for (i = unwstart, sec = section_headers + unwstart;
|
||
i < elf_header.e_shnum; ++i, ++sec)
|
||
if (sec->sh_type == SHT_IA_64_UNWIND)
|
||
{
|
||
unwsec = sec;
|
||
break;
|
||
}
|
||
|
||
unwstart = i + 1;
|
||
len = sizeof (ELF_STRING_ia64_unwind_once) - 1;
|
||
|
||
if (strncmp (SECTION_NAME (unwsec), ELF_STRING_ia64_unwind_once,
|
||
len) == 0)
|
||
{
|
||
/* .gnu.linkonce.ia64unw.FOO -> .gnu.linkonce.ia64unwi.FOO */
|
||
len2 = sizeof (ELF_STRING_ia64_unwind_info_once) - 1;
|
||
suffix = SECTION_NAME (unwsec) + len;
|
||
for (i = 0, sec = section_headers; i < elf_header.e_shnum;
|
||
++i, ++sec)
|
||
if (strncmp (SECTION_NAME (sec),
|
||
ELF_STRING_ia64_unwind_info_once, len2) == 0
|
||
&& strcmp (SECTION_NAME (sec) + len2, suffix) == 0)
|
||
break;
|
||
}
|
||
else
|
||
{
|
||
/* .IA_64.unwindFOO -> .IA_64.unwind_infoFOO
|
||
.IA_64.unwind or BAR -> .IA_64.unwind_info */
|
||
len = sizeof (ELF_STRING_ia64_unwind) - 1;
|
||
len2 = sizeof (ELF_STRING_ia64_unwind_info) - 1;
|
||
suffix = "";
|
||
if (strncmp (SECTION_NAME (unwsec), ELF_STRING_ia64_unwind,
|
||
len) == 0)
|
||
suffix = SECTION_NAME (unwsec) + len;
|
||
for (i = 0, sec = section_headers; i < elf_header.e_shnum;
|
||
++i, ++sec)
|
||
if (strncmp (SECTION_NAME (sec),
|
||
ELF_STRING_ia64_unwind_info, len2) == 0
|
||
&& strcmp (SECTION_NAME (sec) + len2, suffix) == 0)
|
||
break;
|
||
}
|
||
|
||
if (i == elf_header.e_shnum)
|
||
{
|
||
printf (_("\nCould not find unwind info section for "));
|
||
|
||
if (string_table == NULL)
|
||
printf ("%d", unwsec->sh_name);
|
||
else
|
||
printf ("'%s'", SECTION_NAME (unwsec));
|
||
}
|
||
else
|
||
{
|
||
aux.info_size = sec->sh_size;
|
||
aux.info_addr = sec->sh_addr;
|
||
aux.info = (char *) get_data (NULL, file, sec->sh_offset,
|
||
aux.info_size, _("unwind info"));
|
||
|
||
printf (_("\nUnwind section "));
|
||
|
||
if (string_table == NULL)
|
||
printf ("%d", unwsec->sh_name);
|
||
else
|
||
printf ("'%s'", SECTION_NAME (unwsec));
|
||
|
||
printf (_(" at offset 0x%lx contains %lu entries:\n"),
|
||
(unsigned long) unwsec->sh_offset,
|
||
(unsigned long) (unwsec->sh_size / (3 * addr_size)));
|
||
|
||
(void) slurp_ia64_unwind_table (file, & aux, unwsec);
|
||
|
||
if (aux.table_len > 0)
|
||
dump_ia64_unwind (& aux);
|
||
|
||
if (aux.table)
|
||
free ((char *) aux.table);
|
||
if (aux.info)
|
||
free ((char *) aux.info);
|
||
aux.table = NULL;
|
||
aux.info = NULL;
|
||
}
|
||
}
|
||
|
||
if (aux.symtab)
|
||
free (aux.symtab);
|
||
if (aux.strtab)
|
||
free ((char *) aux.strtab);
|
||
|
||
return 1;
|
||
}
|
||
|
||
static void
|
||
dynamic_segment_mips_val (entry)
|
||
Elf_Internal_Dyn * entry;
|
||
{
|
||
switch (entry->d_tag)
|
||
{
|
||
case DT_MIPS_FLAGS:
|
||
if (entry->d_un.d_val == 0)
|
||
printf ("NONE\n");
|
||
else
|
||
{
|
||
static const char * opts[] =
|
||
{
|
||
"QUICKSTART", "NOTPOT", "NO_LIBRARY_REPLACEMENT",
|
||
"NO_MOVE", "SGI_ONLY", "GUARANTEE_INIT", "DELTA_C_PLUS_PLUS",
|
||
"GUARANTEE_START_INIT", "PIXIE", "DEFAULT_DELAY_LOAD",
|
||
"REQUICKSTART", "REQUICKSTARTED", "CORD", "NO_UNRES_UNDEF",
|
||
"RLD_ORDER_SAFE"
|
||
};
|
||
unsigned int cnt;
|
||
int first = 1;
|
||
for (cnt = 0; cnt < NUM_ELEM (opts); ++ cnt)
|
||
if (entry->d_un.d_val & (1 << cnt))
|
||
{
|
||
printf ("%s%s", first ? "" : " ", opts[cnt]);
|
||
first = 0;
|
||
}
|
||
puts ("");
|
||
}
|
||
break;
|
||
|
||
case DT_MIPS_IVERSION:
|
||
if (dynamic_strings != NULL)
|
||
printf ("Interface Version: %s\n",
|
||
dynamic_strings + entry->d_un.d_val);
|
||
else
|
||
printf ("%ld\n", (long) entry->d_un.d_ptr);
|
||
break;
|
||
|
||
case DT_MIPS_TIME_STAMP:
|
||
{
|
||
char timebuf[20];
|
||
struct tm * tmp;
|
||
|
||
time_t time = entry->d_un.d_val;
|
||
tmp = gmtime (&time);
|
||
sprintf (timebuf, "%04u-%02u-%02uT%02u:%02u:%02u",
|
||
tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
|
||
tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
|
||
printf ("Time Stamp: %s\n", timebuf);
|
||
}
|
||
break;
|
||
|
||
case DT_MIPS_RLD_VERSION:
|
||
case DT_MIPS_LOCAL_GOTNO:
|
||
case DT_MIPS_CONFLICTNO:
|
||
case DT_MIPS_LIBLISTNO:
|
||
case DT_MIPS_SYMTABNO:
|
||
case DT_MIPS_UNREFEXTNO:
|
||
case DT_MIPS_HIPAGENO:
|
||
case DT_MIPS_DELTA_CLASS_NO:
|
||
case DT_MIPS_DELTA_INSTANCE_NO:
|
||
case DT_MIPS_DELTA_RELOC_NO:
|
||
case DT_MIPS_DELTA_SYM_NO:
|
||
case DT_MIPS_DELTA_CLASSSYM_NO:
|
||
case DT_MIPS_COMPACT_SIZE:
|
||
printf ("%ld\n", (long) entry->d_un.d_ptr);
|
||
break;
|
||
|
||
default:
|
||
printf ("%#lx\n", (long) entry->d_un.d_ptr);
|
||
}
|
||
}
|
||
|
||
|
||
static void
|
||
dynamic_segment_parisc_val (entry)
|
||
Elf_Internal_Dyn * entry;
|
||
{
|
||
switch (entry->d_tag)
|
||
{
|
||
case DT_HP_DLD_FLAGS:
|
||
{
|
||
static struct
|
||
{
|
||
long int bit;
|
||
const char * str;
|
||
}
|
||
flags[] =
|
||
{
|
||
{ DT_HP_DEBUG_PRIVATE, "HP_DEBUG_PRIVATE" },
|
||
{ DT_HP_DEBUG_CALLBACK, "HP_DEBUG_CALLBACK" },
|
||
{ DT_HP_DEBUG_CALLBACK_BOR, "HP_DEBUG_CALLBACK_BOR" },
|
||
{ DT_HP_NO_ENVVAR, "HP_NO_ENVVAR" },
|
||
{ DT_HP_BIND_NOW, "HP_BIND_NOW" },
|
||
{ DT_HP_BIND_NONFATAL, "HP_BIND_NONFATAL" },
|
||
{ DT_HP_BIND_VERBOSE, "HP_BIND_VERBOSE" },
|
||
{ DT_HP_BIND_RESTRICTED, "HP_BIND_RESTRICTED" },
|
||
{ DT_HP_BIND_SYMBOLIC, "HP_BIND_SYMBOLIC" },
|
||
{ DT_HP_RPATH_FIRST, "HP_RPATH_FIRST" },
|
||
{ DT_HP_BIND_DEPTH_FIRST, "HP_BIND_DEPTH_FIRST" }
|
||
};
|
||
int first = 1;
|
||
size_t cnt;
|
||
bfd_vma val = entry->d_un.d_val;
|
||
|
||
for (cnt = 0; cnt < sizeof (flags) / sizeof (flags[0]); ++cnt)
|
||
if (val & flags[cnt].bit)
|
||
{
|
||
if (! first)
|
||
putchar (' ');
|
||
fputs (flags[cnt].str, stdout);
|
||
first = 0;
|
||
val ^= flags[cnt].bit;
|
||
}
|
||
|
||
if (val != 0 || first)
|
||
{
|
||
if (! first)
|
||
putchar (' ');
|
||
print_vma (val, HEX);
|
||
}
|
||
}
|
||
break;
|
||
|
||
default:
|
||
print_vma (entry->d_un.d_ptr, PREFIX_HEX);
|
||
break;
|
||
}
|
||
}
|
||
|
||
static int
|
||
get_32bit_dynamic_segment (file)
|
||
FILE * file;
|
||
{
|
||
Elf32_External_Dyn * edyn;
|
||
Elf_Internal_Dyn * entry;
|
||
bfd_size_type i;
|
||
|
||
edyn = (Elf32_External_Dyn *) get_data (NULL, file, dynamic_addr,
|
||
dynamic_size, _("dynamic segment"));
|
||
if (!edyn)
|
||
return 0;
|
||
|
||
/* SGI's ELF has more than one section in the DYNAMIC segment. Determine
|
||
how large this .dynamic is now. We can do this even before the byte
|
||
swapping since the DT_NULL tag is recognizable. */
|
||
dynamic_size = 0;
|
||
while (*(Elf32_Word *) edyn [dynamic_size++].d_tag != DT_NULL)
|
||
;
|
||
|
||
dynamic_segment = (Elf_Internal_Dyn *)
|
||
malloc (dynamic_size * sizeof (Elf_Internal_Dyn));
|
||
|
||
if (dynamic_segment == NULL)
|
||
{
|
||
error (_("Out of memory\n"));
|
||
free (edyn);
|
||
return 0;
|
||
}
|
||
|
||
for (i = 0, entry = dynamic_segment;
|
||
i < dynamic_size;
|
||
i ++, entry ++)
|
||
{
|
||
entry->d_tag = BYTE_GET (edyn [i].d_tag);
|
||
entry->d_un.d_val = BYTE_GET (edyn [i].d_un.d_val);
|
||
}
|
||
|
||
free (edyn);
|
||
|
||
return 1;
|
||
}
|
||
|
||
static int
|
||
get_64bit_dynamic_segment (file)
|
||
FILE * file;
|
||
{
|
||
Elf64_External_Dyn * edyn;
|
||
Elf_Internal_Dyn * entry;
|
||
bfd_size_type i;
|
||
|
||
edyn = (Elf64_External_Dyn *) get_data (NULL, file, dynamic_addr,
|
||
dynamic_size, _("dynamic segment"));
|
||
if (!edyn)
|
||
return 0;
|
||
|
||
/* SGI's ELF has more than one section in the DYNAMIC segment. Determine
|
||
how large this .dynamic is now. We can do this even before the byte
|
||
swapping since the DT_NULL tag is recognizable. */
|
||
dynamic_size = 0;
|
||
while (*(bfd_vma *) edyn [dynamic_size ++].d_tag != DT_NULL)
|
||
;
|
||
|
||
dynamic_segment = (Elf_Internal_Dyn *)
|
||
malloc (dynamic_size * sizeof (Elf_Internal_Dyn));
|
||
|
||
if (dynamic_segment == NULL)
|
||
{
|
||
error (_("Out of memory\n"));
|
||
free (edyn);
|
||
return 0;
|
||
}
|
||
|
||
for (i = 0, entry = dynamic_segment;
|
||
i < dynamic_size;
|
||
i ++, entry ++)
|
||
{
|
||
entry->d_tag = BYTE_GET8 (edyn [i].d_tag);
|
||
entry->d_un.d_val = BYTE_GET8 (edyn [i].d_un.d_val);
|
||
}
|
||
|
||
free (edyn);
|
||
|
||
return 1;
|
||
}
|
||
|
||
static const char *
|
||
get_dynamic_flags (flags)
|
||
bfd_vma flags;
|
||
{
|
||
static char buff [64];
|
||
while (flags)
|
||
{
|
||
bfd_vma flag;
|
||
|
||
flag = flags & - flags;
|
||
flags &= ~ flag;
|
||
|
||
switch (flag)
|
||
{
|
||
case DF_ORIGIN: strcat (buff, "ORIGIN "); break;
|
||
case DF_SYMBOLIC: strcat (buff, "SYMBOLIC "); break;
|
||
case DF_TEXTREL: strcat (buff, "TEXTREL "); break;
|
||
case DF_BIND_NOW: strcat (buff, "BIND_NOW "); break;
|
||
default: strcat (buff, "unknown "); break;
|
||
}
|
||
}
|
||
return buff;
|
||
}
|
||
|
||
/* Parse and display the contents of the dynamic segment. */
|
||
static int
|
||
process_dynamic_segment (file)
|
||
FILE * file;
|
||
{
|
||
Elf_Internal_Dyn * entry;
|
||
bfd_size_type i;
|
||
|
||
if (dynamic_size == 0)
|
||
{
|
||
if (do_dynamic)
|
||
printf (_("\nThere is no dynamic segment in this file.\n"));
|
||
|
||
return 1;
|
||
}
|
||
|
||
if (is_32bit_elf)
|
||
{
|
||
if (! get_32bit_dynamic_segment (file))
|
||
return 0;
|
||
}
|
||
else if (! get_64bit_dynamic_segment (file))
|
||
return 0;
|
||
|
||
/* Find the appropriate symbol table. */
|
||
if (dynamic_symbols == NULL)
|
||
{
|
||
for (i = 0, entry = dynamic_segment;
|
||
i < dynamic_size;
|
||
++i, ++ entry)
|
||
{
|
||
Elf32_Internal_Shdr section;
|
||
|
||
if (entry->d_tag != DT_SYMTAB)
|
||
continue;
|
||
|
||
dynamic_info[DT_SYMTAB] = entry->d_un.d_val;
|
||
|
||
/* Since we do not know how big the symbol table is,
|
||
we default to reading in the entire file (!) and
|
||
processing that. This is overkill, I know, but it
|
||
should work. */
|
||
section.sh_offset = entry->d_un.d_val - loadaddr;
|
||
|
||
if (fseek (file, 0, SEEK_END))
|
||
error (_("Unable to seek to end of file!"));
|
||
|
||
section.sh_size = ftell (file) - section.sh_offset;
|
||
if (is_32bit_elf)
|
||
section.sh_entsize = sizeof (Elf32_External_Sym);
|
||
else
|
||
section.sh_entsize = sizeof (Elf64_External_Sym);
|
||
|
||
num_dynamic_syms = section.sh_size / section.sh_entsize;
|
||
if (num_dynamic_syms < 1)
|
||
{
|
||
error (_("Unable to determine the number of symbols to load\n"));
|
||
continue;
|
||
}
|
||
|
||
dynamic_symbols = GET_ELF_SYMBOLS (file, §ion);
|
||
}
|
||
}
|
||
|
||
/* Similarly find a string table. */
|
||
if (dynamic_strings == NULL)
|
||
{
|
||
for (i = 0, entry = dynamic_segment;
|
||
i < dynamic_size;
|
||
++i, ++ entry)
|
||
{
|
||
unsigned long offset;
|
||
long str_tab_len;
|
||
|
||
if (entry->d_tag != DT_STRTAB)
|
||
continue;
|
||
|
||
dynamic_info[DT_STRTAB] = entry->d_un.d_val;
|
||
|
||
/* Since we do not know how big the string table is,
|
||
we default to reading in the entire file (!) and
|
||
processing that. This is overkill, I know, but it
|
||
should work. */
|
||
|
||
offset = entry->d_un.d_val - loadaddr;
|
||
if (fseek (file, 0, SEEK_END))
|
||
error (_("Unable to seek to end of file\n"));
|
||
str_tab_len = ftell (file) - offset;
|
||
|
||
if (str_tab_len < 1)
|
||
{
|
||
error
|
||
(_("Unable to determine the length of the dynamic string table\n"));
|
||
continue;
|
||
}
|
||
|
||
dynamic_strings = (char *) get_data (NULL, file, offset, str_tab_len,
|
||
_("dynamic string table"));
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* And find the syminfo section if available. */
|
||
if (dynamic_syminfo == NULL)
|
||
{
|
||
unsigned int syminsz = 0;
|
||
|
||
for (i = 0, entry = dynamic_segment;
|
||
i < dynamic_size;
|
||
++i, ++ entry)
|
||
{
|
||
if (entry->d_tag == DT_SYMINENT)
|
||
{
|
||
/* Note: these braces are necessary to avoid a syntax
|
||
error from the SunOS4 C compiler. */
|
||
assert (sizeof (Elf_External_Syminfo) == entry->d_un.d_val);
|
||
}
|
||
else if (entry->d_tag == DT_SYMINSZ)
|
||
syminsz = entry->d_un.d_val;
|
||
else if (entry->d_tag == DT_SYMINFO)
|
||
dynamic_syminfo_offset = entry->d_un.d_val - loadaddr;
|
||
}
|
||
|
||
if (dynamic_syminfo_offset != 0 && syminsz != 0)
|
||
{
|
||
Elf_External_Syminfo * extsyminfo;
|
||
Elf_Internal_Syminfo * syminfo;
|
||
|
||
/* There is a syminfo section. Read the data. */
|
||
extsyminfo = ((Elf_External_Syminfo *)
|
||
get_data (NULL, file, dynamic_syminfo_offset,
|
||
syminsz, _("symbol information")));
|
||
if (!extsyminfo)
|
||
return 0;
|
||
|
||
dynamic_syminfo = (Elf_Internal_Syminfo *) malloc (syminsz);
|
||
if (dynamic_syminfo == NULL)
|
||
{
|
||
error (_("Out of memory\n"));
|
||
return 0;
|
||
}
|
||
|
||
dynamic_syminfo_nent = syminsz / sizeof (Elf_External_Syminfo);
|
||
for (i = 0, syminfo = dynamic_syminfo; i < dynamic_syminfo_nent;
|
||
++i, ++syminfo)
|
||
{
|
||
syminfo->si_boundto = BYTE_GET (extsyminfo[i].si_boundto);
|
||
syminfo->si_flags = BYTE_GET (extsyminfo[i].si_flags);
|
||
}
|
||
|
||
free (extsyminfo);
|
||
}
|
||
}
|
||
|
||
if (do_dynamic && dynamic_addr)
|
||
printf (_("\nDynamic segment at offset 0x%x contains %ld entries:\n"),
|
||
dynamic_addr, (long) dynamic_size);
|
||
if (do_dynamic)
|
||
printf (_(" Tag Type Name/Value\n"));
|
||
|
||
for (i = 0, entry = dynamic_segment;
|
||
i < dynamic_size;
|
||
i++, entry ++)
|
||
{
|
||
if (do_dynamic)
|
||
{
|
||
const char * dtype;
|
||
|
||
putchar (' ');
|
||
print_vma (entry->d_tag, FULL_HEX);
|
||
dtype = get_dynamic_type (entry->d_tag);
|
||
printf (" (%s)%*s", dtype,
|
||
((is_32bit_elf ? 27 : 19)
|
||
- (int) strlen (dtype)),
|
||
" ");
|
||
}
|
||
|
||
switch (entry->d_tag)
|
||
{
|
||
case DT_FLAGS:
|
||
if (do_dynamic)
|
||
printf ("%s", get_dynamic_flags (entry->d_un.d_val));
|
||
break;
|
||
|
||
case DT_AUXILIARY:
|
||
case DT_FILTER:
|
||
case DT_CONFIG:
|
||
case DT_DEPAUDIT:
|
||
case DT_AUDIT:
|
||
if (do_dynamic)
|
||
{
|
||
switch (entry->d_tag)
|
||
{
|
||
case DT_AUXILIARY:
|
||
printf (_("Auxiliary library"));
|
||
break;
|
||
|
||
case DT_FILTER:
|
||
printf (_("Filter library"));
|
||
break;
|
||
|
||
case DT_CONFIG:
|
||
printf (_("Configuration file"));
|
||
break;
|
||
|
||
case DT_DEPAUDIT:
|
||
printf (_("Dependency audit library"));
|
||
break;
|
||
|
||
case DT_AUDIT:
|
||
printf (_("Audit library"));
|
||
break;
|
||
}
|
||
|
||
if (dynamic_strings)
|
||
printf (": [%s]\n", dynamic_strings + entry->d_un.d_val);
|
||
else
|
||
{
|
||
printf (": ");
|
||
print_vma (entry->d_un.d_val, PREFIX_HEX);
|
||
putchar ('\n');
|
||
}
|
||
}
|
||
break;
|
||
|
||
case DT_FEATURE:
|
||
if (do_dynamic)
|
||
{
|
||
printf (_("Flags:"));
|
||
if (entry->d_un.d_val == 0)
|
||
printf (_(" None\n"));
|
||
else
|
||
{
|
||
unsigned long int val = entry->d_un.d_val;
|
||
if (val & DTF_1_PARINIT)
|
||
{
|
||
printf (" PARINIT");
|
||
val ^= DTF_1_PARINIT;
|
||
}
|
||
if (val & DTF_1_CONFEXP)
|
||
{
|
||
printf (" CONFEXP");
|
||
val ^= DTF_1_CONFEXP;
|
||
}
|
||
if (val != 0)
|
||
printf (" %lx", val);
|
||
puts ("");
|
||
}
|
||
}
|
||
break;
|
||
|
||
case DT_POSFLAG_1:
|
||
if (do_dynamic)
|
||
{
|
||
printf (_("Flags:"));
|
||
if (entry->d_un.d_val == 0)
|
||
printf (_(" None\n"));
|
||
else
|
||
{
|
||
unsigned long int val = entry->d_un.d_val;
|
||
if (val & DF_P1_LAZYLOAD)
|
||
{
|
||
printf (" LAZYLOAD");
|
||
val ^= DF_P1_LAZYLOAD;
|
||
}
|
||
if (val & DF_P1_GROUPPERM)
|
||
{
|
||
printf (" GROUPPERM");
|
||
val ^= DF_P1_GROUPPERM;
|
||
}
|
||
if (val != 0)
|
||
printf (" %lx", val);
|
||
puts ("");
|
||
}
|
||
}
|
||
break;
|
||
|
||
case DT_FLAGS_1:
|
||
if (do_dynamic)
|
||
{
|
||
printf (_("Flags:"));
|
||
if (entry->d_un.d_val == 0)
|
||
printf (_(" None\n"));
|
||
else
|
||
{
|
||
unsigned long int val = entry->d_un.d_val;
|
||
if (val & DF_1_NOW)
|
||
{
|
||
printf (" NOW");
|
||
val ^= DF_1_NOW;
|
||
}
|
||
if (val & DF_1_GLOBAL)
|
||
{
|
||
printf (" GLOBAL");
|
||
val ^= DF_1_GLOBAL;
|
||
}
|
||
if (val & DF_1_GROUP)
|
||
{
|
||
printf (" GROUP");
|
||
val ^= DF_1_GROUP;
|
||
}
|
||
if (val & DF_1_NODELETE)
|
||
{
|
||
printf (" NODELETE");
|
||
val ^= DF_1_NODELETE;
|
||
}
|
||
if (val & DF_1_LOADFLTR)
|
||
{
|
||
printf (" LOADFLTR");
|
||
val ^= DF_1_LOADFLTR;
|
||
}
|
||
if (val & DF_1_INITFIRST)
|
||
{
|
||
printf (" INITFIRST");
|
||
val ^= DF_1_INITFIRST;
|
||
}
|
||
if (val & DF_1_NOOPEN)
|
||
{
|
||
printf (" NOOPEN");
|
||
val ^= DF_1_NOOPEN;
|
||
}
|
||
if (val & DF_1_ORIGIN)
|
||
{
|
||
printf (" ORIGIN");
|
||
val ^= DF_1_ORIGIN;
|
||
}
|
||
if (val & DF_1_DIRECT)
|
||
{
|
||
printf (" DIRECT");
|
||
val ^= DF_1_DIRECT;
|
||
}
|
||
if (val & DF_1_TRANS)
|
||
{
|
||
printf (" TRANS");
|
||
val ^= DF_1_TRANS;
|
||
}
|
||
if (val & DF_1_INTERPOSE)
|
||
{
|
||
printf (" INTERPOSE");
|
||
val ^= DF_1_INTERPOSE;
|
||
}
|
||
if (val & DF_1_NODEFLIB)
|
||
{
|
||
printf (" NODEFLIB");
|
||
val ^= DF_1_NODEFLIB;
|
||
}
|
||
if (val & DF_1_NODUMP)
|
||
{
|
||
printf (" NODUMP");
|
||
val ^= DF_1_NODUMP;
|
||
}
|
||
if (val & DF_1_CONLFAT)
|
||
{
|
||
printf (" CONLFAT");
|
||
val ^= DF_1_CONLFAT;
|
||
}
|
||
if (val != 0)
|
||
printf (" %lx", val);
|
||
puts ("");
|
||
}
|
||
}
|
||
break;
|
||
|
||
case DT_PLTREL:
|
||
if (do_dynamic)
|
||
puts (get_dynamic_type (entry->d_un.d_val));
|
||
break;
|
||
|
||
case DT_NULL :
|
||
case DT_NEEDED :
|
||
case DT_PLTGOT :
|
||
case DT_HASH :
|
||
case DT_STRTAB :
|
||
case DT_SYMTAB :
|
||
case DT_RELA :
|
||
case DT_INIT :
|
||
case DT_FINI :
|
||
case DT_SONAME :
|
||
case DT_RPATH :
|
||
case DT_SYMBOLIC:
|
||
case DT_REL :
|
||
case DT_DEBUG :
|
||
case DT_TEXTREL :
|
||
case DT_JMPREL :
|
||
case DT_RUNPATH :
|
||
dynamic_info[entry->d_tag] = entry->d_un.d_val;
|
||
|
||
if (do_dynamic)
|
||
{
|
||
char * name;
|
||
|
||
if (dynamic_strings == NULL)
|
||
name = NULL;
|
||
else
|
||
name = dynamic_strings + entry->d_un.d_val;
|
||
|
||
if (name)
|
||
{
|
||
switch (entry->d_tag)
|
||
{
|
||
case DT_NEEDED:
|
||
printf (_("Shared library: [%s]"), name);
|
||
|
||
if (strcmp (name, program_interpreter) == 0)
|
||
printf (_(" program interpreter"));
|
||
break;
|
||
|
||
case DT_SONAME:
|
||
printf (_("Library soname: [%s]"), name);
|
||
break;
|
||
|
||
case DT_RPATH:
|
||
printf (_("Library rpath: [%s]"), name);
|
||
break;
|
||
|
||
case DT_RUNPATH:
|
||
printf (_("Library runpath: [%s]"), name);
|
||
break;
|
||
|
||
default:
|
||
print_vma (entry->d_un.d_val, PREFIX_HEX);
|
||
break;
|
||
}
|
||
}
|
||
else
|
||
print_vma (entry->d_un.d_val, PREFIX_HEX);
|
||
|
||
putchar ('\n');
|
||
}
|
||
break;
|
||
|
||
case DT_PLTRELSZ:
|
||
case DT_RELASZ :
|
||
case DT_STRSZ :
|
||
case DT_RELSZ :
|
||
case DT_RELAENT :
|
||
case DT_SYMENT :
|
||
case DT_RELENT :
|
||
case DT_PLTPADSZ:
|
||
case DT_MOVEENT :
|
||
case DT_MOVESZ :
|
||
case DT_INIT_ARRAYSZ:
|
||
case DT_FINI_ARRAYSZ:
|
||
if (do_dynamic)
|
||
{
|
||
print_vma (entry->d_un.d_val, UNSIGNED);
|
||
printf (" (bytes)\n");
|
||
}
|
||
break;
|
||
|
||
case DT_VERDEFNUM:
|
||
case DT_VERNEEDNUM:
|
||
case DT_RELACOUNT:
|
||
case DT_RELCOUNT:
|
||
if (do_dynamic)
|
||
{
|
||
print_vma (entry->d_un.d_val, UNSIGNED);
|
||
putchar ('\n');
|
||
}
|
||
break;
|
||
|
||
case DT_SYMINSZ:
|
||
case DT_SYMINENT:
|
||
case DT_SYMINFO:
|
||
case DT_USED:
|
||
case DT_INIT_ARRAY:
|
||
case DT_FINI_ARRAY:
|
||
if (do_dynamic)
|
||
{
|
||
if (dynamic_strings != NULL && entry->d_tag == DT_USED)
|
||
{
|
||
char * name;
|
||
|
||
name = dynamic_strings + entry->d_un.d_val;
|
||
|
||
if (* name)
|
||
{
|
||
printf (_("Not needed object: [%s]\n"), name);
|
||
break;
|
||
}
|
||
}
|
||
|
||
print_vma (entry->d_un.d_val, PREFIX_HEX);
|
||
putchar ('\n');
|
||
}
|
||
break;
|
||
|
||
case DT_BIND_NOW:
|
||
/* The value of this entry is ignored. */
|
||
break;
|
||
|
||
default:
|
||
if ((entry->d_tag >= DT_VERSYM) && (entry->d_tag <= DT_VERNEEDNUM))
|
||
version_info [DT_VERSIONTAGIDX (entry->d_tag)] =
|
||
entry->d_un.d_val;
|
||
|
||
if (do_dynamic)
|
||
{
|
||
switch (elf_header.e_machine)
|
||
{
|
||
case EM_MIPS:
|
||
case EM_MIPS_RS3_LE:
|
||
dynamic_segment_mips_val (entry);
|
||
break;
|
||
case EM_PARISC:
|
||
dynamic_segment_parisc_val (entry);
|
||
break;
|
||
default:
|
||
print_vma (entry->d_un.d_val, PREFIX_HEX);
|
||
putchar ('\n');
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
return 1;
|
||
}
|
||
|
||
static char *
|
||
get_ver_flags (flags)
|
||
unsigned int flags;
|
||
{
|
||
static char buff [32];
|
||
|
||
buff[0] = 0;
|
||
|
||
if (flags == 0)
|
||
return _("none");
|
||
|
||
if (flags & VER_FLG_BASE)
|
||
strcat (buff, "BASE ");
|
||
|
||
if (flags & VER_FLG_WEAK)
|
||
{
|
||
if (flags & VER_FLG_BASE)
|
||
strcat (buff, "| ");
|
||
|
||
strcat (buff, "WEAK ");
|
||
}
|
||
|
||
if (flags & ~(VER_FLG_BASE | VER_FLG_WEAK))
|
||
strcat (buff, "| <unknown>");
|
||
|
||
return buff;
|
||
}
|
||
|
||
/* Display the contents of the version sections. */
|
||
static int
|
||
process_version_sections (file)
|
||
FILE * file;
|
||
{
|
||
Elf32_Internal_Shdr * section;
|
||
unsigned i;
|
||
int found = 0;
|
||
|
||
if (! do_version)
|
||
return 1;
|
||
|
||
for (i = 0, section = section_headers;
|
||
i < elf_header.e_shnum;
|
||
i++, section ++)
|
||
{
|
||
switch (section->sh_type)
|
||
{
|
||
case SHT_GNU_verdef:
|
||
{
|
||
Elf_External_Verdef * edefs;
|
||
unsigned int idx;
|
||
unsigned int cnt;
|
||
|
||
found = 1;
|
||
|
||
printf
|
||
(_("\nVersion definition section '%s' contains %ld entries:\n"),
|
||
SECTION_NAME (section), section->sh_info);
|
||
|
||
printf (_(" Addr: 0x"));
|
||
printf_vma (section->sh_addr);
|
||
printf (_(" Offset: %#08lx Link: %lx (%s)\n"),
|
||
(unsigned long) section->sh_offset, section->sh_link,
|
||
SECTION_NAME (SECTION_HEADER (section->sh_link)));
|
||
|
||
edefs = ((Elf_External_Verdef *)
|
||
get_data (NULL, file, section->sh_offset,
|
||
section->sh_size,
|
||
_("version definition section")));
|
||
if (!edefs)
|
||
break;
|
||
|
||
for (idx = cnt = 0; cnt < section->sh_info; ++ cnt)
|
||
{
|
||
char * vstart;
|
||
Elf_External_Verdef * edef;
|
||
Elf_Internal_Verdef ent;
|
||
Elf_External_Verdaux * eaux;
|
||
Elf_Internal_Verdaux aux;
|
||
int j;
|
||
int isum;
|
||
|
||
vstart = ((char *) edefs) + idx;
|
||
|
||
edef = (Elf_External_Verdef *) vstart;
|
||
|
||
ent.vd_version = BYTE_GET (edef->vd_version);
|
||
ent.vd_flags = BYTE_GET (edef->vd_flags);
|
||
ent.vd_ndx = BYTE_GET (edef->vd_ndx);
|
||
ent.vd_cnt = BYTE_GET (edef->vd_cnt);
|
||
ent.vd_hash = BYTE_GET (edef->vd_hash);
|
||
ent.vd_aux = BYTE_GET (edef->vd_aux);
|
||
ent.vd_next = BYTE_GET (edef->vd_next);
|
||
|
||
printf (_(" %#06x: Rev: %d Flags: %s"),
|
||
idx, ent.vd_version, get_ver_flags (ent.vd_flags));
|
||
|
||
printf (_(" Index: %d Cnt: %d "),
|
||
ent.vd_ndx, ent.vd_cnt);
|
||
|
||
vstart += ent.vd_aux;
|
||
|
||
eaux = (Elf_External_Verdaux *) vstart;
|
||
|
||
aux.vda_name = BYTE_GET (eaux->vda_name);
|
||
aux.vda_next = BYTE_GET (eaux->vda_next);
|
||
|
||
if (dynamic_strings)
|
||
printf (_("Name: %s\n"), dynamic_strings + aux.vda_name);
|
||
else
|
||
printf (_("Name index: %ld\n"), aux.vda_name);
|
||
|
||
isum = idx + ent.vd_aux;
|
||
|
||
for (j = 1; j < ent.vd_cnt; j ++)
|
||
{
|
||
isum += aux.vda_next;
|
||
vstart += aux.vda_next;
|
||
|
||
eaux = (Elf_External_Verdaux *) vstart;
|
||
|
||
aux.vda_name = BYTE_GET (eaux->vda_name);
|
||
aux.vda_next = BYTE_GET (eaux->vda_next);
|
||
|
||
if (dynamic_strings)
|
||
printf (_(" %#06x: Parent %d: %s\n"),
|
||
isum, j, dynamic_strings + aux.vda_name);
|
||
else
|
||
printf (_(" %#06x: Parent %d, name index: %ld\n"),
|
||
isum, j, aux.vda_name);
|
||
}
|
||
|
||
idx += ent.vd_next;
|
||
}
|
||
|
||
free (edefs);
|
||
}
|
||
break;
|
||
|
||
case SHT_GNU_verneed:
|
||
{
|
||
Elf_External_Verneed * eneed;
|
||
unsigned int idx;
|
||
unsigned int cnt;
|
||
|
||
found = 1;
|
||
|
||
printf (_("\nVersion needs section '%s' contains %ld entries:\n"),
|
||
SECTION_NAME (section), section->sh_info);
|
||
|
||
printf (_(" Addr: 0x"));
|
||
printf_vma (section->sh_addr);
|
||
printf (_(" Offset: %#08lx Link to section: %ld (%s)\n"),
|
||
(unsigned long) section->sh_offset, section->sh_link,
|
||
SECTION_NAME (SECTION_HEADER (section->sh_link)));
|
||
|
||
eneed = ((Elf_External_Verneed *)
|
||
get_data (NULL, file, section->sh_offset,
|
||
section->sh_size, _("version need section")));
|
||
if (!eneed)
|
||
break;
|
||
|
||
for (idx = cnt = 0; cnt < section->sh_info; ++cnt)
|
||
{
|
||
Elf_External_Verneed * entry;
|
||
Elf_Internal_Verneed ent;
|
||
int j;
|
||
int isum;
|
||
char * vstart;
|
||
|
||
vstart = ((char *) eneed) + idx;
|
||
|
||
entry = (Elf_External_Verneed *) vstart;
|
||
|
||
ent.vn_version = BYTE_GET (entry->vn_version);
|
||
ent.vn_cnt = BYTE_GET (entry->vn_cnt);
|
||
ent.vn_file = BYTE_GET (entry->vn_file);
|
||
ent.vn_aux = BYTE_GET (entry->vn_aux);
|
||
ent.vn_next = BYTE_GET (entry->vn_next);
|
||
|
||
printf (_(" %#06x: Version: %d"), idx, ent.vn_version);
|
||
|
||
if (dynamic_strings)
|
||
printf (_(" File: %s"), dynamic_strings + ent.vn_file);
|
||
else
|
||
printf (_(" File: %lx"), ent.vn_file);
|
||
|
||
printf (_(" Cnt: %d\n"), ent.vn_cnt);
|
||
|
||
vstart += ent.vn_aux;
|
||
|
||
for (j = 0, isum = idx + ent.vn_aux; j < ent.vn_cnt; ++j)
|
||
{
|
||
Elf_External_Vernaux * eaux;
|
||
Elf_Internal_Vernaux aux;
|
||
|
||
eaux = (Elf_External_Vernaux *) vstart;
|
||
|
||
aux.vna_hash = BYTE_GET (eaux->vna_hash);
|
||
aux.vna_flags = BYTE_GET (eaux->vna_flags);
|
||
aux.vna_other = BYTE_GET (eaux->vna_other);
|
||
aux.vna_name = BYTE_GET (eaux->vna_name);
|
||
aux.vna_next = BYTE_GET (eaux->vna_next);
|
||
|
||
if (dynamic_strings)
|
||
printf (_(" %#06x: Name: %s"),
|
||
isum, dynamic_strings + aux.vna_name);
|
||
else
|
||
printf (_(" %#06x: Name index: %lx"),
|
||
isum, aux.vna_name);
|
||
|
||
printf (_(" Flags: %s Version: %d\n"),
|
||
get_ver_flags (aux.vna_flags), aux.vna_other);
|
||
|
||
isum += aux.vna_next;
|
||
vstart += aux.vna_next;
|
||
}
|
||
|
||
idx += ent.vn_next;
|
||
}
|
||
|
||
free (eneed);
|
||
}
|
||
break;
|
||
|
||
case SHT_GNU_versym:
|
||
{
|
||
Elf32_Internal_Shdr * link_section;
|
||
int total;
|
||
int cnt;
|
||
unsigned char * edata;
|
||
unsigned short * data;
|
||
char * strtab;
|
||
Elf_Internal_Sym * symbols;
|
||
Elf32_Internal_Shdr * string_sec;
|
||
|
||
link_section = SECTION_HEADER (section->sh_link);
|
||
total = section->sh_size / section->sh_entsize;
|
||
|
||
found = 1;
|
||
|
||
symbols = GET_ELF_SYMBOLS (file, link_section);
|
||
|
||
string_sec = SECTION_HEADER (link_section->sh_link);
|
||
|
||
strtab = (char *) get_data (NULL, file, string_sec->sh_offset,
|
||
string_sec->sh_size,
|
||
_("version string table"));
|
||
if (!strtab)
|
||
break;
|
||
|
||
printf (_("\nVersion symbols section '%s' contains %d entries:\n"),
|
||
SECTION_NAME (section), total);
|
||
|
||
printf (_(" Addr: "));
|
||
printf_vma (section->sh_addr);
|
||
printf (_(" Offset: %#08lx Link: %lx (%s)\n"),
|
||
(unsigned long) section->sh_offset, section->sh_link,
|
||
SECTION_NAME (link_section));
|
||
|
||
edata =
|
||
((unsigned char *)
|
||
get_data (NULL, file,
|
||
version_info[DT_VERSIONTAGIDX (DT_VERSYM)] - loadaddr,
|
||
total * sizeof (short), _("version symbol data")));
|
||
if (!edata)
|
||
{
|
||
free (strtab);
|
||
break;
|
||
}
|
||
|
||
data = (unsigned short *) malloc (total * sizeof (short));
|
||
|
||
for (cnt = total; cnt --;)
|
||
data [cnt] = byte_get (edata + cnt * sizeof (short),
|
||
sizeof (short));
|
||
|
||
free (edata);
|
||
|
||
for (cnt = 0; cnt < total; cnt += 4)
|
||
{
|
||
int j, nn;
|
||
int check_def, check_need;
|
||
char * name;
|
||
|
||
printf (" %03x:", cnt);
|
||
|
||
for (j = 0; (j < 4) && (cnt + j) < total; ++j)
|
||
switch (data [cnt + j])
|
||
{
|
||
case 0:
|
||
fputs (_(" 0 (*local*) "), stdout);
|
||
break;
|
||
|
||
case 1:
|
||
fputs (_(" 1 (*global*) "), stdout);
|
||
break;
|
||
|
||
default:
|
||
nn = printf ("%4x%c", data [cnt + j] & 0x7fff,
|
||
data [cnt + j] & 0x8000 ? 'h' : ' ');
|
||
|
||
check_def = 1;
|
||
check_need = 1;
|
||
if (SECTION_HEADER (symbols [cnt + j].st_shndx)->sh_type
|
||
!= SHT_NOBITS)
|
||
{
|
||
if (symbols [cnt + j].st_shndx == SHN_UNDEF)
|
||
check_def = 0;
|
||
else
|
||
check_need = 0;
|
||
}
|
||
|
||
if (check_need
|
||
&& version_info [DT_VERSIONTAGIDX (DT_VERNEED)])
|
||
{
|
||
Elf_Internal_Verneed ivn;
|
||
unsigned long offset;
|
||
|
||
offset = version_info [DT_VERSIONTAGIDX (DT_VERNEED)]
|
||
- loadaddr;
|
||
|
||
do
|
||
{
|
||
Elf_Internal_Vernaux ivna;
|
||
Elf_External_Verneed evn;
|
||
Elf_External_Vernaux evna;
|
||
unsigned long a_off;
|
||
|
||
get_data (&evn, file, offset, sizeof (evn),
|
||
_("version need"));
|
||
|
||
ivn.vn_aux = BYTE_GET (evn.vn_aux);
|
||
ivn.vn_next = BYTE_GET (evn.vn_next);
|
||
|
||
a_off = offset + ivn.vn_aux;
|
||
|
||
do
|
||
{
|
||
get_data (&evna, file, a_off, sizeof (evna),
|
||
_("version need aux (2)"));
|
||
|
||
ivna.vna_next = BYTE_GET (evna.vna_next);
|
||
ivna.vna_other = BYTE_GET (evna.vna_other);
|
||
|
||
a_off += ivna.vna_next;
|
||
}
|
||
while (ivna.vna_other != data [cnt + j]
|
||
&& ivna.vna_next != 0);
|
||
|
||
if (ivna.vna_other == data [cnt + j])
|
||
{
|
||
ivna.vna_name = BYTE_GET (evna.vna_name);
|
||
|
||
name = strtab + ivna.vna_name;
|
||
nn += printf ("(%s%-*s",
|
||
name,
|
||
12 - (int) strlen (name),
|
||
")");
|
||
check_def = 0;
|
||
break;
|
||
}
|
||
|
||
offset += ivn.vn_next;
|
||
}
|
||
while (ivn.vn_next);
|
||
}
|
||
|
||
if (check_def && data [cnt + j] != 0x8001
|
||
&& version_info [DT_VERSIONTAGIDX (DT_VERDEF)])
|
||
{
|
||
Elf_Internal_Verdef ivd;
|
||
Elf_External_Verdef evd;
|
||
unsigned long offset;
|
||
|
||
offset = version_info
|
||
[DT_VERSIONTAGIDX (DT_VERDEF)] - loadaddr;
|
||
|
||
do
|
||
{
|
||
get_data (&evd, file, offset, sizeof (evd),
|
||
_("version def"));
|
||
|
||
ivd.vd_next = BYTE_GET (evd.vd_next);
|
||
ivd.vd_ndx = BYTE_GET (evd.vd_ndx);
|
||
|
||
offset += ivd.vd_next;
|
||
}
|
||
while (ivd.vd_ndx != (data [cnt + j] & 0x7fff)
|
||
&& ivd.vd_next != 0);
|
||
|
||
if (ivd.vd_ndx == (data [cnt + j] & 0x7fff))
|
||
{
|
||
Elf_External_Verdaux evda;
|
||
Elf_Internal_Verdaux ivda;
|
||
|
||
ivd.vd_aux = BYTE_GET (evd.vd_aux);
|
||
|
||
get_data (&evda, file,
|
||
offset - ivd.vd_next + ivd.vd_aux,
|
||
sizeof (evda), _("version def aux"));
|
||
|
||
ivda.vda_name = BYTE_GET (evda.vda_name);
|
||
|
||
name = strtab + ivda.vda_name;
|
||
nn += printf ("(%s%-*s",
|
||
name,
|
||
12 - (int) strlen (name),
|
||
")");
|
||
}
|
||
}
|
||
|
||
if (nn < 18)
|
||
printf ("%*c", 18 - nn, ' ');
|
||
}
|
||
|
||
putchar ('\n');
|
||
}
|
||
|
||
free (data);
|
||
free (strtab);
|
||
free (symbols);
|
||
}
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (! found)
|
||
printf (_("\nNo version information found in this file.\n"));
|
||
|
||
return 1;
|
||
}
|
||
|
||
static const char *
|
||
get_symbol_binding (binding)
|
||
unsigned int binding;
|
||
{
|
||
static char buff [32];
|
||
|
||
switch (binding)
|
||
{
|
||
case STB_LOCAL: return "LOCAL";
|
||
case STB_GLOBAL: return "GLOBAL";
|
||
case STB_WEAK: return "WEAK";
|
||
default:
|
||
if (binding >= STB_LOPROC && binding <= STB_HIPROC)
|
||
sprintf (buff, _("<processor specific>: %d"), binding);
|
||
else if (binding >= STB_LOOS && binding <= STB_HIOS)
|
||
sprintf (buff, _("<OS specific>: %d"), binding);
|
||
else
|
||
sprintf (buff, _("<unknown>: %d"), binding);
|
||
return buff;
|
||
}
|
||
}
|
||
|
||
static const char *
|
||
get_symbol_type (type)
|
||
unsigned int type;
|
||
{
|
||
static char buff [32];
|
||
|
||
switch (type)
|
||
{
|
||
case STT_NOTYPE: return "NOTYPE";
|
||
case STT_OBJECT: return "OBJECT";
|
||
case STT_FUNC: return "FUNC";
|
||
case STT_SECTION: return "SECTION";
|
||
case STT_FILE: return "FILE";
|
||
case STT_COMMON: return "COMMON";
|
||
default:
|
||
if (type >= STT_LOPROC && type <= STT_HIPROC)
|
||
{
|
||
if (elf_header.e_machine == EM_ARM && type == STT_ARM_TFUNC)
|
||
return "THUMB_FUNC";
|
||
|
||
if (elf_header.e_machine == EM_SPARCV9 && type == STT_REGISTER)
|
||
return "REGISTER";
|
||
|
||
if (elf_header.e_machine == EM_PARISC && type == STT_PARISC_MILLI)
|
||
return "PARISC_MILLI";
|
||
|
||
sprintf (buff, _("<processor specific>: %d"), type);
|
||
}
|
||
else if (type >= STT_LOOS && type <= STT_HIOS)
|
||
{
|
||
if (elf_header.e_machine == EM_PARISC)
|
||
{
|
||
if (type == STT_HP_OPAQUE)
|
||
return "HP_OPAQUE";
|
||
if (type == STT_HP_STUB)
|
||
return "HP_STUB";
|
||
}
|
||
|
||
sprintf (buff, _("<OS specific>: %d"), type);
|
||
}
|
||
else
|
||
sprintf (buff, _("<unknown>: %d"), type);
|
||
return buff;
|
||
}
|
||
}
|
||
|
||
static const char *
|
||
get_symbol_visibility (visibility)
|
||
unsigned int visibility;
|
||
{
|
||
switch (visibility)
|
||
{
|
||
case STV_DEFAULT: return "DEFAULT";
|
||
case STV_INTERNAL: return "INTERNAL";
|
||
case STV_HIDDEN: return "HIDDEN";
|
||
case STV_PROTECTED: return "PROTECTED";
|
||
default: abort ();
|
||
}
|
||
}
|
||
|
||
static const char *
|
||
get_symbol_index_type (type)
|
||
unsigned int type;
|
||
{
|
||
switch (type)
|
||
{
|
||
case SHN_UNDEF: return "UND";
|
||
case SHN_ABS: return "ABS";
|
||
case SHN_COMMON: return "COM";
|
||
default:
|
||
if (type >= SHN_LOPROC && type <= SHN_HIPROC)
|
||
return "PRC";
|
||
else if (type >= SHN_LOOS && type <= SHN_HIOS)
|
||
return "OS ";
|
||
else if (type >= SHN_LORESERVE && type <= SHN_HIRESERVE)
|
||
return "RSV";
|
||
else
|
||
{
|
||
static char buff [32];
|
||
|
||
sprintf (buff, "%3d", type);
|
||
return buff;
|
||
}
|
||
}
|
||
}
|
||
|
||
static int *
|
||
get_dynamic_data (file, number)
|
||
FILE * file;
|
||
unsigned int number;
|
||
{
|
||
unsigned char * e_data;
|
||
int * i_data;
|
||
|
||
e_data = (unsigned char *) malloc (number * 4);
|
||
|
||
if (e_data == NULL)
|
||
{
|
||
error (_("Out of memory\n"));
|
||
return NULL;
|
||
}
|
||
|
||
if (fread (e_data, 4, number, file) != number)
|
||
{
|
||
error (_("Unable to read in dynamic data\n"));
|
||
return NULL;
|
||
}
|
||
|
||
i_data = (int *) malloc (number * sizeof (* i_data));
|
||
|
||
if (i_data == NULL)
|
||
{
|
||
error (_("Out of memory\n"));
|
||
free (e_data);
|
||
return NULL;
|
||
}
|
||
|
||
while (number--)
|
||
i_data [number] = byte_get (e_data + number * 4, 4);
|
||
|
||
free (e_data);
|
||
|
||
return i_data;
|
||
}
|
||
|
||
/* Dump the symbol table. */
|
||
static int
|
||
process_symbol_table (file)
|
||
FILE * file;
|
||
{
|
||
Elf32_Internal_Shdr * section;
|
||
unsigned char nb [4];
|
||
unsigned char nc [4];
|
||
int nbuckets = 0;
|
||
int nchains = 0;
|
||
int * buckets = NULL;
|
||
int * chains = NULL;
|
||
|
||
if (! do_syms && !do_histogram)
|
||
return 1;
|
||
|
||
if (dynamic_info[DT_HASH] && ((do_using_dynamic && dynamic_strings != NULL)
|
||
|| do_histogram))
|
||
{
|
||
if (fseek (file, dynamic_info[DT_HASH] - loadaddr, SEEK_SET))
|
||
{
|
||
error (_("Unable to seek to start of dynamic information"));
|
||
return 0;
|
||
}
|
||
|
||
if (fread (nb, sizeof (nb), 1, file) != 1)
|
||
{
|
||
error (_("Failed to read in number of buckets\n"));
|
||
return 0;
|
||
}
|
||
|
||
if (fread (nc, sizeof (nc), 1, file) != 1)
|
||
{
|
||
error (_("Failed to read in number of chains\n"));
|
||
return 0;
|
||
}
|
||
|
||
nbuckets = byte_get (nb, 4);
|
||
nchains = byte_get (nc, 4);
|
||
|
||
buckets = get_dynamic_data (file, nbuckets);
|
||
chains = get_dynamic_data (file, nchains);
|
||
|
||
if (buckets == NULL || chains == NULL)
|
||
return 0;
|
||
}
|
||
|
||
if (do_syms
|
||
&& dynamic_info[DT_HASH] && do_using_dynamic && dynamic_strings != NULL)
|
||
{
|
||
int hn;
|
||
int si;
|
||
|
||
printf (_("\nSymbol table for image:\n"));
|
||
if (is_32bit_elf)
|
||
printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n"));
|
||
else
|
||
printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n"));
|
||
|
||
for (hn = 0; hn < nbuckets; hn++)
|
||
{
|
||
if (! buckets [hn])
|
||
continue;
|
||
|
||
for (si = buckets [hn]; si < nchains && si > 0; si = chains [si])
|
||
{
|
||
Elf_Internal_Sym * psym;
|
||
|
||
psym = dynamic_symbols + si;
|
||
|
||
printf (" %3d %3d: ", si, hn);
|
||
print_vma (psym->st_value, LONG_HEX);
|
||
putchar (' ' );
|
||
print_vma (psym->st_size, DEC_5);
|
||
|
||
printf (" %6s", get_symbol_type (ELF_ST_TYPE (psym->st_info)));
|
||
printf (" %6s", get_symbol_binding (ELF_ST_BIND (psym->st_info)));
|
||
printf (" %3s", get_symbol_visibility (ELF_ST_VISIBILITY (psym->st_other)));
|
||
printf (" %3.3s ", get_symbol_index_type (psym->st_shndx));
|
||
print_symbol (25, dynamic_strings + psym->st_name);
|
||
putchar ('\n');
|
||
}
|
||
}
|
||
}
|
||
else if (do_syms && !do_using_dynamic)
|
||
{
|
||
unsigned int i;
|
||
|
||
for (i = 0, section = section_headers;
|
||
i < elf_header.e_shnum;
|
||
i++, section++)
|
||
{
|
||
unsigned int si;
|
||
char * strtab;
|
||
Elf_Internal_Sym * symtab;
|
||
Elf_Internal_Sym * psym;
|
||
|
||
|
||
if ( section->sh_type != SHT_SYMTAB
|
||
&& section->sh_type != SHT_DYNSYM)
|
||
continue;
|
||
|
||
printf (_("\nSymbol table '%s' contains %lu entries:\n"),
|
||
SECTION_NAME (section),
|
||
(unsigned long) (section->sh_size / section->sh_entsize));
|
||
if (is_32bit_elf)
|
||
printf (_(" Num: Value Size Type Bind Vis Ndx Name\n"));
|
||
else
|
||
printf (_(" Num: Value Size Type Bind Vis Ndx Name\n"));
|
||
|
||
symtab = GET_ELF_SYMBOLS (file, section);
|
||
if (symtab == NULL)
|
||
continue;
|
||
|
||
if (section->sh_link == elf_header.e_shstrndx)
|
||
strtab = string_table;
|
||
else
|
||
{
|
||
Elf32_Internal_Shdr * string_sec;
|
||
|
||
string_sec = SECTION_HEADER (section->sh_link);
|
||
|
||
strtab = (char *) get_data (NULL, file, string_sec->sh_offset,
|
||
string_sec->sh_size,
|
||
_("string table"));
|
||
}
|
||
|
||
for (si = 0, psym = symtab;
|
||
si < section->sh_size / section->sh_entsize;
|
||
si ++, psym ++)
|
||
{
|
||
printf ("%6d: ", si);
|
||
print_vma (psym->st_value, LONG_HEX);
|
||
putchar (' ');
|
||
print_vma (psym->st_size, DEC_5);
|
||
printf (" %-7s", get_symbol_type (ELF_ST_TYPE (psym->st_info)));
|
||
printf (" %-6s", get_symbol_binding (ELF_ST_BIND (psym->st_info)));
|
||
printf (" %-3s", get_symbol_visibility (ELF_ST_VISIBILITY (psym->st_other)));
|
||
printf (" %4s ", get_symbol_index_type (psym->st_shndx));
|
||
print_symbol (25, strtab + psym->st_name);
|
||
|
||
if (section->sh_type == SHT_DYNSYM &&
|
||
version_info [DT_VERSIONTAGIDX (DT_VERSYM)] != 0)
|
||
{
|
||
unsigned char data[2];
|
||
unsigned short vers_data;
|
||
unsigned long offset;
|
||
int is_nobits;
|
||
int check_def;
|
||
|
||
offset = version_info [DT_VERSIONTAGIDX (DT_VERSYM)]
|
||
- loadaddr;
|
||
|
||
get_data (&data, file, offset + si * sizeof (vers_data),
|
||
sizeof (data), _("version data"));
|
||
|
||
vers_data = byte_get (data, 2);
|
||
|
||
is_nobits = (SECTION_HEADER (psym->st_shndx)->sh_type
|
||
== SHT_NOBITS);
|
||
|
||
check_def = (psym->st_shndx != SHN_UNDEF);
|
||
|
||
if ((vers_data & 0x8000) || vers_data > 1)
|
||
{
|
||
if (version_info [DT_VERSIONTAGIDX (DT_VERNEED)]
|
||
&& (is_nobits || ! check_def))
|
||
{
|
||
Elf_External_Verneed evn;
|
||
Elf_Internal_Verneed ivn;
|
||
Elf_Internal_Vernaux ivna;
|
||
|
||
/* We must test both. */
|
||
offset = version_info
|
||
[DT_VERSIONTAGIDX (DT_VERNEED)] - loadaddr;
|
||
|
||
do
|
||
{
|
||
unsigned long vna_off;
|
||
|
||
get_data (&evn, file, offset, sizeof (evn),
|
||
_("version need"));
|
||
|
||
ivn.vn_aux = BYTE_GET (evn.vn_aux);
|
||
ivn.vn_next = BYTE_GET (evn.vn_next);
|
||
|
||
vna_off = offset + ivn.vn_aux;
|
||
|
||
do
|
||
{
|
||
Elf_External_Vernaux evna;
|
||
|
||
get_data (&evna, file, vna_off,
|
||
sizeof (evna),
|
||
_("version need aux (3)"));
|
||
|
||
ivna.vna_other = BYTE_GET (evna.vna_other);
|
||
ivna.vna_next = BYTE_GET (evna.vna_next);
|
||
ivna.vna_name = BYTE_GET (evna.vna_name);
|
||
|
||
vna_off += ivna.vna_next;
|
||
}
|
||
while (ivna.vna_other != vers_data
|
||
&& ivna.vna_next != 0);
|
||
|
||
if (ivna.vna_other == vers_data)
|
||
break;
|
||
|
||
offset += ivn.vn_next;
|
||
}
|
||
while (ivn.vn_next != 0);
|
||
|
||
if (ivna.vna_other == vers_data)
|
||
{
|
||
printf ("@%s (%d)",
|
||
strtab + ivna.vna_name, ivna.vna_other);
|
||
check_def = 0;
|
||
}
|
||
else if (! is_nobits)
|
||
error (_("bad dynamic symbol"));
|
||
else
|
||
check_def = 1;
|
||
}
|
||
|
||
if (check_def)
|
||
{
|
||
if (vers_data != 0x8001
|
||
&& version_info [DT_VERSIONTAGIDX (DT_VERDEF)])
|
||
{
|
||
Elf_Internal_Verdef ivd;
|
||
Elf_Internal_Verdaux ivda;
|
||
Elf_External_Verdaux evda;
|
||
unsigned long offset;
|
||
|
||
offset =
|
||
version_info [DT_VERSIONTAGIDX (DT_VERDEF)]
|
||
- loadaddr;
|
||
|
||
do
|
||
{
|
||
Elf_External_Verdef evd;
|
||
|
||
get_data (&evd, file, offset, sizeof (evd),
|
||
_("version def"));
|
||
|
||
ivd.vd_ndx = BYTE_GET (evd.vd_ndx);
|
||
ivd.vd_aux = BYTE_GET (evd.vd_aux);
|
||
ivd.vd_next = BYTE_GET (evd.vd_next);
|
||
|
||
offset += ivd.vd_next;
|
||
}
|
||
while (ivd.vd_ndx != (vers_data & 0x7fff)
|
||
&& ivd.vd_next != 0);
|
||
|
||
offset -= ivd.vd_next;
|
||
offset += ivd.vd_aux;
|
||
|
||
get_data (&evda, file, offset, sizeof (evda),
|
||
_("version def aux"));
|
||
|
||
ivda.vda_name = BYTE_GET (evda.vda_name);
|
||
|
||
if (psym->st_name != ivda.vda_name)
|
||
printf ((vers_data & 0x8000)
|
||
? "@%s" : "@@%s",
|
||
strtab + ivda.vda_name);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
putchar ('\n');
|
||
}
|
||
|
||
free (symtab);
|
||
if (strtab != string_table)
|
||
free (strtab);
|
||
}
|
||
}
|
||
else if (do_syms)
|
||
printf
|
||
(_("\nDynamic symbol information is not available for displaying symbols.\n"));
|
||
|
||
if (do_histogram && buckets != NULL)
|
||
{
|
||
int * lengths;
|
||
int * counts;
|
||
int hn;
|
||
int si;
|
||
int maxlength = 0;
|
||
int nzero_counts = 0;
|
||
int nsyms = 0;
|
||
|
||
printf (_("\nHistogram for bucket list length (total of %d buckets):\n"),
|
||
nbuckets);
|
||
printf (_(" Length Number %% of total Coverage\n"));
|
||
|
||
lengths = (int *) calloc (nbuckets, sizeof (int));
|
||
if (lengths == NULL)
|
||
{
|
||
error (_("Out of memory"));
|
||
return 0;
|
||
}
|
||
for (hn = 0; hn < nbuckets; ++hn)
|
||
{
|
||
if (! buckets [hn])
|
||
continue;
|
||
|
||
for (si = buckets[hn]; si > 0 && si < nchains; si = chains[si])
|
||
{
|
||
++ nsyms;
|
||
if (maxlength < ++lengths[hn])
|
||
++ maxlength;
|
||
}
|
||
}
|
||
|
||
counts = (int *) calloc (maxlength + 1, sizeof (int));
|
||
if (counts == NULL)
|
||
{
|
||
error (_("Out of memory"));
|
||
return 0;
|
||
}
|
||
|
||
for (hn = 0; hn < nbuckets; ++hn)
|
||
++ counts [lengths [hn]];
|
||
|
||
if (nbuckets > 0)
|
||
{
|
||
printf (" 0 %-10d (%5.1f%%)\n",
|
||
counts[0], (counts[0] * 100.0) / nbuckets);
|
||
for (si = 1; si <= maxlength; ++si)
|
||
{
|
||
nzero_counts += counts[si] * si;
|
||
printf ("%7d %-10d (%5.1f%%) %5.1f%%\n",
|
||
si, counts[si], (counts[si] * 100.0) / nbuckets,
|
||
(nzero_counts * 100.0) / nsyms);
|
||
}
|
||
}
|
||
|
||
free (counts);
|
||
free (lengths);
|
||
}
|
||
|
||
if (buckets != NULL)
|
||
{
|
||
free (buckets);
|
||
free (chains);
|
||
}
|
||
|
||
return 1;
|
||
}
|
||
|
||
static int
|
||
process_syminfo (file)
|
||
FILE * file ATTRIBUTE_UNUSED;
|
||
{
|
||
unsigned int i;
|
||
|
||
if (dynamic_syminfo == NULL
|
||
|| !do_dynamic)
|
||
/* No syminfo, this is ok. */
|
||
return 1;
|
||
|
||
/* There better should be a dynamic symbol section. */
|
||
if (dynamic_symbols == NULL || dynamic_strings == NULL)
|
||
return 0;
|
||
|
||
if (dynamic_addr)
|
||
printf (_("\nDynamic info segment at offset 0x%lx contains %d entries:\n"),
|
||
dynamic_syminfo_offset, dynamic_syminfo_nent);
|
||
|
||
printf (_(" Num: Name BoundTo Flags\n"));
|
||
for (i = 0; i < dynamic_syminfo_nent; ++i)
|
||
{
|
||
unsigned short int flags = dynamic_syminfo[i].si_flags;
|
||
|
||
printf ("%4d: ", i);
|
||
print_symbol (30, dynamic_strings + dynamic_symbols[i].st_name);
|
||
putchar (' ');
|
||
|
||
switch (dynamic_syminfo[i].si_boundto)
|
||
{
|
||
case SYMINFO_BT_SELF:
|
||
fputs ("SELF ", stdout);
|
||
break;
|
||
case SYMINFO_BT_PARENT:
|
||
fputs ("PARENT ", stdout);
|
||
break;
|
||
default:
|
||
if (dynamic_syminfo[i].si_boundto > 0
|
||
&& dynamic_syminfo[i].si_boundto < dynamic_size)
|
||
{
|
||
print_symbol (10, dynamic_strings
|
||
+ dynamic_segment
|
||
[dynamic_syminfo[i].si_boundto].d_un.d_val);
|
||
putchar (' ' );
|
||
}
|
||
else
|
||
printf ("%-10d ", dynamic_syminfo[i].si_boundto);
|
||
break;
|
||
}
|
||
|
||
if (flags & SYMINFO_FLG_DIRECT)
|
||
printf (" DIRECT");
|
||
if (flags & SYMINFO_FLG_PASSTHRU)
|
||
printf (" PASSTHRU");
|
||
if (flags & SYMINFO_FLG_COPY)
|
||
printf (" COPY");
|
||
if (flags & SYMINFO_FLG_LAZYLOAD)
|
||
printf (" LAZYLOAD");
|
||
|
||
puts ("");
|
||
}
|
||
|
||
return 1;
|
||
}
|
||
|
||
#ifdef SUPPORT_DISASSEMBLY
|
||
static void
|
||
disassemble_section (section, file)
|
||
Elf32_Internal_Shdr * section;
|
||
FILE * file;
|
||
{
|
||
printf (_("\nAssembly dump of section %s\n"),
|
||
SECTION_NAME (section));
|
||
|
||
/* XXX -- to be done --- XXX */
|
||
|
||
return 1;
|
||
}
|
||
#endif
|
||
|
||
static int
|
||
dump_section (section, file)
|
||
Elf32_Internal_Shdr * section;
|
||
FILE * file;
|
||
{
|
||
bfd_size_type bytes;
|
||
bfd_vma addr;
|
||
unsigned char * data;
|
||
unsigned char * start;
|
||
|
||
bytes = section->sh_size;
|
||
|
||
if (bytes == 0)
|
||
{
|
||
printf (_("\nSection '%s' has no data to dump.\n"),
|
||
SECTION_NAME (section));
|
||
return 0;
|
||
}
|
||
else
|
||
printf (_("\nHex dump of section '%s':\n"), SECTION_NAME (section));
|
||
|
||
addr = section->sh_addr;
|
||
|
||
start = (unsigned char *) get_data (NULL, file, section->sh_offset, bytes,
|
||
_("section data"));
|
||
if (!start)
|
||
return 0;
|
||
|
||
data = start;
|
||
|
||
while (bytes)
|
||
{
|
||
int j;
|
||
int k;
|
||
int lbytes;
|
||
|
||
lbytes = (bytes > 16 ? 16 : bytes);
|
||
|
||
printf (" 0x%8.8lx ", (unsigned long) addr);
|
||
|
||
switch (elf_header.e_ident [EI_DATA])
|
||
{
|
||
default:
|
||
case ELFDATA2LSB:
|
||
for (j = 15; j >= 0; j --)
|
||
{
|
||
if (j < lbytes)
|
||
printf ("%2.2x", data [j]);
|
||
else
|
||
printf (" ");
|
||
|
||
if (!(j & 0x3))
|
||
printf (" ");
|
||
}
|
||
break;
|
||
|
||
case ELFDATA2MSB:
|
||
for (j = 0; j < 16; j++)
|
||
{
|
||
if (j < lbytes)
|
||
printf ("%2.2x", data [j]);
|
||
else
|
||
printf (" ");
|
||
|
||
if ((j & 3) == 3)
|
||
printf (" ");
|
||
}
|
||
break;
|
||
}
|
||
|
||
for (j = 0; j < lbytes; j++)
|
||
{
|
||
k = data [j];
|
||
if (k >= ' ' && k < 0x80)
|
||
printf ("%c", k);
|
||
else
|
||
printf (".");
|
||
}
|
||
|
||
putchar ('\n');
|
||
|
||
data += lbytes;
|
||
addr += lbytes;
|
||
bytes -= lbytes;
|
||
}
|
||
|
||
free (start);
|
||
|
||
return 1;
|
||
}
|
||
|
||
|
||
static unsigned long int
|
||
read_leb128 (data, length_return, sign)
|
||
unsigned char * data;
|
||
int * length_return;
|
||
int sign;
|
||
{
|
||
unsigned long int result = 0;
|
||
unsigned int num_read = 0;
|
||
int shift = 0;
|
||
unsigned char byte;
|
||
|
||
do
|
||
{
|
||
byte = * data ++;
|
||
num_read ++;
|
||
|
||
result |= (byte & 0x7f) << shift;
|
||
|
||
shift += 7;
|
||
|
||
}
|
||
while (byte & 0x80);
|
||
|
||
if (length_return != NULL)
|
||
* length_return = num_read;
|
||
|
||
if (sign && (shift < 32) && (byte & 0x40))
|
||
result |= -1 << shift;
|
||
|
||
return result;
|
||
}
|
||
|
||
typedef struct State_Machine_Registers
|
||
{
|
||
unsigned long address;
|
||
unsigned int file;
|
||
unsigned int line;
|
||
unsigned int column;
|
||
int is_stmt;
|
||
int basic_block;
|
||
int end_sequence;
|
||
/* This variable hold the number of the last entry seen
|
||
in the File Table. */
|
||
unsigned int last_file_entry;
|
||
} SMR;
|
||
|
||
static SMR state_machine_regs;
|
||
|
||
static void
|
||
reset_state_machine (is_stmt)
|
||
int is_stmt;
|
||
{
|
||
state_machine_regs.address = 0;
|
||
state_machine_regs.file = 1;
|
||
state_machine_regs.line = 1;
|
||
state_machine_regs.column = 0;
|
||
state_machine_regs.is_stmt = is_stmt;
|
||
state_machine_regs.basic_block = 0;
|
||
state_machine_regs.end_sequence = 0;
|
||
state_machine_regs.last_file_entry = 0;
|
||
}
|
||
|
||
/* Handled an extend line op. Returns true if this is the end
|
||
of sequence. */
|
||
static int
|
||
process_extended_line_op (data, is_stmt, pointer_size)
|
||
unsigned char * data;
|
||
int is_stmt;
|
||
int pointer_size;
|
||
{
|
||
unsigned char op_code;
|
||
int bytes_read;
|
||
unsigned int len;
|
||
unsigned char * name;
|
||
unsigned long adr;
|
||
|
||
len = read_leb128 (data, & bytes_read, 0);
|
||
data += bytes_read;
|
||
|
||
if (len == 0)
|
||
{
|
||
warn (_("badly formed extended line op encountered!\n"));
|
||
return bytes_read;
|
||
}
|
||
|
||
len += bytes_read;
|
||
op_code = * data ++;
|
||
|
||
printf (_(" Extended opcode %d: "), op_code);
|
||
|
||
switch (op_code)
|
||
{
|
||
case DW_LNE_end_sequence:
|
||
printf (_("End of Sequence\n\n"));
|
||
reset_state_machine (is_stmt);
|
||
break;
|
||
|
||
case DW_LNE_set_address:
|
||
adr = byte_get (data, pointer_size);
|
||
printf (_("set Address to 0x%lx\n"), adr);
|
||
state_machine_regs.address = adr;
|
||
break;
|
||
|
||
case DW_LNE_define_file:
|
||
printf (_(" define new File Table entry\n"));
|
||
printf (_(" Entry\tDir\tTime\tSize\tName\n"));
|
||
|
||
printf (_(" %d\t"), ++ state_machine_regs.last_file_entry);
|
||
name = data;
|
||
data += strlen ((char *) data) + 1;
|
||
printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
|
||
data += bytes_read;
|
||
printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
|
||
data += bytes_read;
|
||
printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
|
||
printf (_("%s\n\n"), name);
|
||
break;
|
||
|
||
default:
|
||
printf (_("UNKNOWN: length %d\n"), len - bytes_read);
|
||
break;
|
||
}
|
||
|
||
return len;
|
||
}
|
||
|
||
/* Size of pointers in the .debug_line section. This information is not
|
||
really present in that section. It's obtained before dumping the debug
|
||
sections by doing some pre-scan of the .debug_info section. */
|
||
static int debug_line_pointer_size = 4;
|
||
|
||
static int
|
||
display_debug_lines (section, start, file)
|
||
Elf32_Internal_Shdr * section;
|
||
unsigned char * start;
|
||
FILE * file ATTRIBUTE_UNUSED;
|
||
{
|
||
DWARF2_External_LineInfo * external;
|
||
DWARF2_Internal_LineInfo info;
|
||
unsigned char * standard_opcodes;
|
||
unsigned char * data = start;
|
||
unsigned char * end = start + section->sh_size;
|
||
unsigned char * end_of_sequence;
|
||
int i;
|
||
|
||
printf (_("\nDump of debug contents of section %s:\n\n"),
|
||
SECTION_NAME (section));
|
||
|
||
while (data < end)
|
||
{
|
||
external = (DWARF2_External_LineInfo *) data;
|
||
|
||
/* Check the length of the block. */
|
||
info.li_length = BYTE_GET (external->li_length);
|
||
|
||
if (info.li_length == 0xffffffff)
|
||
{
|
||
warn (_("64-bit DWARF line info is not supported yet.\n"));
|
||
break;
|
||
}
|
||
|
||
if (info.li_length + sizeof (external->li_length) > section->sh_size)
|
||
{
|
||
warn
|
||
(_("The line info appears to be corrupt - the section is too small\n"));
|
||
return 0;
|
||
}
|
||
|
||
/* Check its version number. */
|
||
info.li_version = BYTE_GET (external->li_version);
|
||
if (info.li_version != 2)
|
||
{
|
||
warn (_("Only DWARF version 2 line info is currently supported.\n"));
|
||
return 0;
|
||
}
|
||
|
||
info.li_prologue_length = BYTE_GET (external->li_prologue_length);
|
||
info.li_min_insn_length = BYTE_GET (external->li_min_insn_length);
|
||
info.li_default_is_stmt = BYTE_GET (external->li_default_is_stmt);
|
||
info.li_line_base = BYTE_GET (external->li_line_base);
|
||
info.li_line_range = BYTE_GET (external->li_line_range);
|
||
info.li_opcode_base = BYTE_GET (external->li_opcode_base);
|
||
|
||
/* Sign extend the line base field. */
|
||
info.li_line_base <<= 24;
|
||
info.li_line_base >>= 24;
|
||
|
||
printf (_(" Length: %ld\n"), info.li_length);
|
||
printf (_(" DWARF Version: %d\n"), info.li_version);
|
||
printf (_(" Prologue Length: %d\n"), info.li_prologue_length);
|
||
printf (_(" Minimum Instruction Length: %d\n"), info.li_min_insn_length);
|
||
printf (_(" Initial value of 'is_stmt': %d\n"), info.li_default_is_stmt);
|
||
printf (_(" Line Base: %d\n"), info.li_line_base);
|
||
printf (_(" Line Range: %d\n"), info.li_line_range);
|
||
printf (_(" Opcode Base: %d\n"), info.li_opcode_base);
|
||
|
||
end_of_sequence = data + info.li_length + sizeof (external->li_length);
|
||
|
||
reset_state_machine (info.li_default_is_stmt);
|
||
|
||
/* Display the contents of the Opcodes table. */
|
||
standard_opcodes = data + sizeof (* external);
|
||
|
||
printf (_("\n Opcodes:\n"));
|
||
|
||
for (i = 1; i < info.li_opcode_base; i++)
|
||
printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]);
|
||
|
||
/* Display the contents of the Directory table. */
|
||
data = standard_opcodes + info.li_opcode_base - 1;
|
||
|
||
if (* data == 0)
|
||
printf (_("\n The Directory Table is empty.\n"));
|
||
else
|
||
{
|
||
printf (_("\n The Directory Table:\n"));
|
||
|
||
while (* data != 0)
|
||
{
|
||
printf (_(" %s\n"), data);
|
||
|
||
data += strlen ((char *) data) + 1;
|
||
}
|
||
}
|
||
|
||
/* Skip the NUL at the end of the table. */
|
||
data ++;
|
||
|
||
/* Display the contents of the File Name table. */
|
||
if (* data == 0)
|
||
printf (_("\n The File Name Table is empty.\n"));
|
||
else
|
||
{
|
||
printf (_("\n The File Name Table:\n"));
|
||
printf (_(" Entry\tDir\tTime\tSize\tName\n"));
|
||
|
||
while (* data != 0)
|
||
{
|
||
unsigned char * name;
|
||
int bytes_read;
|
||
|
||
printf (_(" %d\t"), ++ state_machine_regs.last_file_entry);
|
||
name = data;
|
||
|
||
data += strlen ((char *) data) + 1;
|
||
|
||
printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
|
||
data += bytes_read;
|
||
printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
|
||
data += bytes_read;
|
||
printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
|
||
data += bytes_read;
|
||
printf (_("%s\n"), name);
|
||
}
|
||
}
|
||
|
||
/* Skip the NUL at the end of the table. */
|
||
data ++;
|
||
|
||
/* Now display the statements. */
|
||
printf (_("\n Line Number Statements:\n"));
|
||
|
||
|
||
while (data < end_of_sequence)
|
||
{
|
||
unsigned char op_code;
|
||
int adv;
|
||
int bytes_read;
|
||
|
||
op_code = * data ++;
|
||
|
||
if (op_code >= info.li_opcode_base)
|
||
{
|
||
op_code -= info.li_opcode_base;
|
||
adv = (op_code / info.li_line_range) * info.li_min_insn_length;
|
||
state_machine_regs.address += adv;
|
||
printf (_(" Special opcode %d: advance Address by %d to 0x%lx"),
|
||
op_code, adv, state_machine_regs.address);
|
||
adv = (op_code % info.li_line_range) + info.li_line_base;
|
||
state_machine_regs.line += adv;
|
||
printf (_(" and Line by %d to %d\n"),
|
||
adv, state_machine_regs.line);
|
||
}
|
||
else switch (op_code)
|
||
{
|
||
case DW_LNS_extended_op:
|
||
data += process_extended_line_op (data, info.li_default_is_stmt,
|
||
debug_line_pointer_size);
|
||
break;
|
||
|
||
case DW_LNS_copy:
|
||
printf (_(" Copy\n"));
|
||
break;
|
||
|
||
case DW_LNS_advance_pc:
|
||
adv = info.li_min_insn_length * read_leb128 (data, & bytes_read, 0);
|
||
data += bytes_read;
|
||
state_machine_regs.address += adv;
|
||
printf (_(" Advance PC by %d to %lx\n"), adv,
|
||
state_machine_regs.address);
|
||
break;
|
||
|
||
case DW_LNS_advance_line:
|
||
adv = read_leb128 (data, & bytes_read, 1);
|
||
data += bytes_read;
|
||
state_machine_regs.line += adv;
|
||
printf (_(" Advance Line by %d to %d\n"), adv,
|
||
state_machine_regs.line);
|
||
break;
|
||
|
||
case DW_LNS_set_file:
|
||
adv = read_leb128 (data, & bytes_read, 0);
|
||
data += bytes_read;
|
||
printf (_(" Set File Name to entry %d in the File Name Table\n"),
|
||
adv);
|
||
state_machine_regs.file = adv;
|
||
break;
|
||
|
||
case DW_LNS_set_column:
|
||
adv = read_leb128 (data, & bytes_read, 0);
|
||
data += bytes_read;
|
||
printf (_(" Set column to %d\n"), adv);
|
||
state_machine_regs.column = adv;
|
||
break;
|
||
|
||
case DW_LNS_negate_stmt:
|
||
adv = state_machine_regs.is_stmt;
|
||
adv = ! adv;
|
||
printf (_(" Set is_stmt to %d\n"), adv);
|
||
state_machine_regs.is_stmt = adv;
|
||
break;
|
||
|
||
case DW_LNS_set_basic_block:
|
||
printf (_(" Set basic block\n"));
|
||
state_machine_regs.basic_block = 1;
|
||
break;
|
||
|
||
case DW_LNS_const_add_pc:
|
||
adv = (((255 - info.li_opcode_base) / info.li_line_range)
|
||
* info.li_min_insn_length);
|
||
state_machine_regs.address += adv;
|
||
printf (_(" Advance PC by constant %d to 0x%lx\n"), adv,
|
||
state_machine_regs.address);
|
||
break;
|
||
|
||
case DW_LNS_fixed_advance_pc:
|
||
adv = byte_get (data, 2);
|
||
data += 2;
|
||
state_machine_regs.address += adv;
|
||
printf (_(" Advance PC by fixed size amount %d to 0x%lx\n"),
|
||
adv, state_machine_regs.address);
|
||
break;
|
||
|
||
case DW_LNS_set_prologue_end:
|
||
printf (_(" Set prologue_end to true\n"));
|
||
break;
|
||
|
||
case DW_LNS_set_epilogue_begin:
|
||
printf (_(" Set epilogue_begin to true\n"));
|
||
break;
|
||
|
||
case DW_LNS_set_isa:
|
||
adv = read_leb128 (data, & bytes_read, 0);
|
||
data += bytes_read;
|
||
printf (_(" Set ISA to %d\n"), adv);
|
||
break;
|
||
|
||
default:
|
||
printf (_(" Unknown opcode %d with operands: "), op_code);
|
||
{
|
||
int i;
|
||
for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
|
||
{
|
||
printf ("0x%lx%s", read_leb128 (data, &bytes_read, 0),
|
||
i == 1 ? "" : ", ");
|
||
data += bytes_read;
|
||
}
|
||
putchar ('\n');
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
putchar ('\n');
|
||
}
|
||
|
||
return 1;
|
||
}
|
||
|
||
static int
|
||
display_debug_pubnames (section, start, file)
|
||
Elf32_Internal_Shdr * section;
|
||
unsigned char * start;
|
||
FILE * file ATTRIBUTE_UNUSED;
|
||
{
|
||
DWARF2_External_PubNames * external;
|
||
DWARF2_Internal_PubNames pubnames;
|
||
unsigned char * end;
|
||
|
||
end = start + section->sh_size;
|
||
|
||
printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
|
||
|
||
while (start < end)
|
||
{
|
||
unsigned char * data;
|
||
unsigned long offset;
|
||
|
||
external = (DWARF2_External_PubNames *) start;
|
||
|
||
pubnames.pn_length = BYTE_GET (external->pn_length);
|
||
pubnames.pn_version = BYTE_GET (external->pn_version);
|
||
pubnames.pn_offset = BYTE_GET (external->pn_offset);
|
||
pubnames.pn_size = BYTE_GET (external->pn_size);
|
||
|
||
data = start + sizeof (* external);
|
||
start += pubnames.pn_length + sizeof (external->pn_length);
|
||
|
||
if (pubnames.pn_length == 0xffffffff)
|
||
{
|
||
warn (_("64-bit DWARF pubnames are not supported yet.\n"));
|
||
break;
|
||
}
|
||
|
||
if (pubnames.pn_version != 2)
|
||
{
|
||
static int warned = 0;
|
||
|
||
if (! warned)
|
||
{
|
||
warn (_("Only DWARF 2 pubnames are currently supported\n"));
|
||
warned = 1;
|
||
}
|
||
|
||
continue;
|
||
}
|
||
|
||
printf (_(" Length: %ld\n"),
|
||
pubnames.pn_length);
|
||
printf (_(" Version: %d\n"),
|
||
pubnames.pn_version);
|
||
printf (_(" Offset into .debug_info section: %ld\n"),
|
||
pubnames.pn_offset);
|
||
printf (_(" Size of area in .debug_info section: %ld\n"),
|
||
pubnames.pn_size);
|
||
|
||
printf (_("\n Offset\tName\n"));
|
||
|
||
do
|
||
{
|
||
offset = byte_get (data, 4);
|
||
|
||
if (offset != 0)
|
||
{
|
||
data += 4;
|
||
printf (" %ld\t\t%s\n", offset, data);
|
||
data += strlen ((char *) data) + 1;
|
||
}
|
||
}
|
||
while (offset != 0);
|
||
}
|
||
|
||
printf ("\n");
|
||
return 1;
|
||
}
|
||
|
||
static char *
|
||
get_TAG_name (tag)
|
||
unsigned long tag;
|
||
{
|
||
switch (tag)
|
||
{
|
||
case DW_TAG_padding: return "DW_TAG_padding";
|
||
case DW_TAG_array_type: return "DW_TAG_array_type";
|
||
case DW_TAG_class_type: return "DW_TAG_class_type";
|
||
case DW_TAG_entry_point: return "DW_TAG_entry_point";
|
||
case DW_TAG_enumeration_type: return "DW_TAG_enumeration_type";
|
||
case DW_TAG_formal_parameter: return "DW_TAG_formal_parameter";
|
||
case DW_TAG_imported_declaration: return "DW_TAG_imported_declaration";
|
||
case DW_TAG_label: return "DW_TAG_label";
|
||
case DW_TAG_lexical_block: return "DW_TAG_lexical_block";
|
||
case DW_TAG_member: return "DW_TAG_member";
|
||
case DW_TAG_pointer_type: return "DW_TAG_pointer_type";
|
||
case DW_TAG_reference_type: return "DW_TAG_reference_type";
|
||
case DW_TAG_compile_unit: return "DW_TAG_compile_unit";
|
||
case DW_TAG_string_type: return "DW_TAG_string_type";
|
||
case DW_TAG_structure_type: return "DW_TAG_structure_type";
|
||
case DW_TAG_subroutine_type: return "DW_TAG_subroutine_type";
|
||
case DW_TAG_typedef: return "DW_TAG_typedef";
|
||
case DW_TAG_union_type: return "DW_TAG_union_type";
|
||
case DW_TAG_unspecified_parameters: return "DW_TAG_unspecified_parameters";
|
||
case DW_TAG_variant: return "DW_TAG_variant";
|
||
case DW_TAG_common_block: return "DW_TAG_common_block";
|
||
case DW_TAG_common_inclusion: return "DW_TAG_common_inclusion";
|
||
case DW_TAG_inheritance: return "DW_TAG_inheritance";
|
||
case DW_TAG_inlined_subroutine: return "DW_TAG_inlined_subroutine";
|
||
case DW_TAG_module: return "DW_TAG_module";
|
||
case DW_TAG_ptr_to_member_type: return "DW_TAG_ptr_to_member_type";
|
||
case DW_TAG_set_type: return "DW_TAG_set_type";
|
||
case DW_TAG_subrange_type: return "DW_TAG_subrange_type";
|
||
case DW_TAG_with_stmt: return "DW_TAG_with_stmt";
|
||
case DW_TAG_access_declaration: return "DW_TAG_access_declaration";
|
||
case DW_TAG_base_type: return "DW_TAG_base_type";
|
||
case DW_TAG_catch_block: return "DW_TAG_catch_block";
|
||
case DW_TAG_const_type: return "DW_TAG_const_type";
|
||
case DW_TAG_constant: return "DW_TAG_constant";
|
||
case DW_TAG_enumerator: return "DW_TAG_enumerator";
|
||
case DW_TAG_file_type: return "DW_TAG_file_type";
|
||
case DW_TAG_friend: return "DW_TAG_friend";
|
||
case DW_TAG_namelist: return "DW_TAG_namelist";
|
||
case DW_TAG_namelist_item: return "DW_TAG_namelist_item";
|
||
case DW_TAG_packed_type: return "DW_TAG_packed_type";
|
||
case DW_TAG_subprogram: return "DW_TAG_subprogram";
|
||
case DW_TAG_template_type_param: return "DW_TAG_template_type_param";
|
||
case DW_TAG_template_value_param: return "DW_TAG_template_value_param";
|
||
case DW_TAG_thrown_type: return "DW_TAG_thrown_type";
|
||
case DW_TAG_try_block: return "DW_TAG_try_block";
|
||
case DW_TAG_variant_part: return "DW_TAG_variant_part";
|
||
case DW_TAG_variable: return "DW_TAG_variable";
|
||
case DW_TAG_volatile_type: return "DW_TAG_volatile_type";
|
||
case DW_TAG_MIPS_loop: return "DW_TAG_MIPS_loop";
|
||
case DW_TAG_format_label: return "DW_TAG_format_label";
|
||
case DW_TAG_function_template: return "DW_TAG_function_template";
|
||
case DW_TAG_class_template: return "DW_TAG_class_template";
|
||
/* DWARF 2.1 values. */
|
||
case DW_TAG_dwarf_procedure: return "DW_TAG_dwarf_procedure";
|
||
case DW_TAG_restrict_type: return "DW_TAG_restrict_type";
|
||
case DW_TAG_interface_type: return "DW_TAG_interface_type";
|
||
case DW_TAG_namespace: return "DW_TAG_namespace";
|
||
case DW_TAG_imported_module: return "DW_TAG_imported_module";
|
||
case DW_TAG_unspecified_type: return "DW_TAG_unspecified_type";
|
||
case DW_TAG_partial_unit: return "DW_TAG_partial_unit";
|
||
case DW_TAG_imported_unit: return "DW_TAG_imported_unit";
|
||
default:
|
||
{
|
||
static char buffer [100];
|
||
|
||
sprintf (buffer, _("Unknown TAG value: %lx"), tag);
|
||
return buffer;
|
||
}
|
||
}
|
||
}
|
||
|
||
static char *
|
||
get_AT_name (attribute)
|
||
unsigned long attribute;
|
||
{
|
||
switch (attribute)
|
||
{
|
||
case DW_AT_sibling: return "DW_AT_sibling";
|
||
case DW_AT_location: return "DW_AT_location";
|
||
case DW_AT_name: return "DW_AT_name";
|
||
case DW_AT_ordering: return "DW_AT_ordering";
|
||
case DW_AT_subscr_data: return "DW_AT_subscr_data";
|
||
case DW_AT_byte_size: return "DW_AT_byte_size";
|
||
case DW_AT_bit_offset: return "DW_AT_bit_offset";
|
||
case DW_AT_bit_size: return "DW_AT_bit_size";
|
||
case DW_AT_element_list: return "DW_AT_element_list";
|
||
case DW_AT_stmt_list: return "DW_AT_stmt_list";
|
||
case DW_AT_low_pc: return "DW_AT_low_pc";
|
||
case DW_AT_high_pc: return "DW_AT_high_pc";
|
||
case DW_AT_language: return "DW_AT_language";
|
||
case DW_AT_member: return "DW_AT_member";
|
||
case DW_AT_discr: return "DW_AT_discr";
|
||
case DW_AT_discr_value: return "DW_AT_discr_value";
|
||
case DW_AT_visibility: return "DW_AT_visibility";
|
||
case DW_AT_import: return "DW_AT_import";
|
||
case DW_AT_string_length: return "DW_AT_string_length";
|
||
case DW_AT_common_reference: return "DW_AT_common_reference";
|
||
case DW_AT_comp_dir: return "DW_AT_comp_dir";
|
||
case DW_AT_const_value: return "DW_AT_const_value";
|
||
case DW_AT_containing_type: return "DW_AT_containing_type";
|
||
case DW_AT_default_value: return "DW_AT_default_value";
|
||
case DW_AT_inline: return "DW_AT_inline";
|
||
case DW_AT_is_optional: return "DW_AT_is_optional";
|
||
case DW_AT_lower_bound: return "DW_AT_lower_bound";
|
||
case DW_AT_producer: return "DW_AT_producer";
|
||
case DW_AT_prototyped: return "DW_AT_prototyped";
|
||
case DW_AT_return_addr: return "DW_AT_return_addr";
|
||
case DW_AT_start_scope: return "DW_AT_start_scope";
|
||
case DW_AT_stride_size: return "DW_AT_stride_size";
|
||
case DW_AT_upper_bound: return "DW_AT_upper_bound";
|
||
case DW_AT_abstract_origin: return "DW_AT_abstract_origin";
|
||
case DW_AT_accessibility: return "DW_AT_accessibility";
|
||
case DW_AT_address_class: return "DW_AT_address_class";
|
||
case DW_AT_artificial: return "DW_AT_artificial";
|
||
case DW_AT_base_types: return "DW_AT_base_types";
|
||
case DW_AT_calling_convention: return "DW_AT_calling_convention";
|
||
case DW_AT_count: return "DW_AT_count";
|
||
case DW_AT_data_member_location: return "DW_AT_data_member_location";
|
||
case DW_AT_decl_column: return "DW_AT_decl_column";
|
||
case DW_AT_decl_file: return "DW_AT_decl_file";
|
||
case DW_AT_decl_line: return "DW_AT_decl_line";
|
||
case DW_AT_declaration: return "DW_AT_declaration";
|
||
case DW_AT_discr_list: return "DW_AT_discr_list";
|
||
case DW_AT_encoding: return "DW_AT_encoding";
|
||
case DW_AT_external: return "DW_AT_external";
|
||
case DW_AT_frame_base: return "DW_AT_frame_base";
|
||
case DW_AT_friend: return "DW_AT_friend";
|
||
case DW_AT_identifier_case: return "DW_AT_identifier_case";
|
||
case DW_AT_macro_info: return "DW_AT_macro_info";
|
||
case DW_AT_namelist_items: return "DW_AT_namelist_items";
|
||
case DW_AT_priority: return "DW_AT_priority";
|
||
case DW_AT_segment: return "DW_AT_segment";
|
||
case DW_AT_specification: return "DW_AT_specification";
|
||
case DW_AT_static_link: return "DW_AT_static_link";
|
||
case DW_AT_type: return "DW_AT_type";
|
||
case DW_AT_use_location: return "DW_AT_use_location";
|
||
case DW_AT_variable_parameter: return "DW_AT_variable_parameter";
|
||
case DW_AT_virtuality: return "DW_AT_virtuality";
|
||
case DW_AT_vtable_elem_location: return "DW_AT_vtable_elem_location";
|
||
/* DWARF 2.1 values. */
|
||
case DW_AT_allocated: return "DW_AT_allocated";
|
||
case DW_AT_associated: return "DW_AT_associated";
|
||
case DW_AT_data_location: return "DW_AT_data_location";
|
||
case DW_AT_stride: return "DW_AT_stride";
|
||
case DW_AT_entry_pc: return "DW_AT_entry_pc";
|
||
case DW_AT_use_UTF8: return "DW_AT_use_UTF8";
|
||
case DW_AT_extension: return "DW_AT_extension";
|
||
case DW_AT_ranges: return "DW_AT_ranges";
|
||
case DW_AT_trampoline: return "DW_AT_trampoline";
|
||
case DW_AT_call_column: return "DW_AT_call_column";
|
||
case DW_AT_call_file: return "DW_AT_call_file";
|
||
case DW_AT_call_line: return "DW_AT_call_line";
|
||
/* SGI/MIPS extensions. */
|
||
case DW_AT_MIPS_fde: return "DW_AT_MIPS_fde";
|
||
case DW_AT_MIPS_loop_begin: return "DW_AT_MIPS_loop_begin";
|
||
case DW_AT_MIPS_tail_loop_begin: return "DW_AT_MIPS_tail_loop_begin";
|
||
case DW_AT_MIPS_epilog_begin: return "DW_AT_MIPS_epilog_begin";
|
||
case DW_AT_MIPS_loop_unroll_factor: return "DW_AT_MIPS_loop_unroll_factor";
|
||
case DW_AT_MIPS_software_pipeline_depth: return "DW_AT_MIPS_software_pipeline_depth";
|
||
case DW_AT_MIPS_linkage_name: return "DW_AT_MIPS_linkage_name";
|
||
case DW_AT_MIPS_stride: return "DW_AT_MIPS_stride";
|
||
case DW_AT_MIPS_abstract_name: return "DW_AT_MIPS_abstract_name";
|
||
case DW_AT_MIPS_clone_origin: return "DW_AT_MIPS_clone_origin";
|
||
case DW_AT_MIPS_has_inlines: return "DW_AT_MIPS_has_inlines";
|
||
/* GNU extensions. */
|
||
case DW_AT_sf_names: return "DW_AT_sf_names";
|
||
case DW_AT_src_info: return "DW_AT_src_info";
|
||
case DW_AT_mac_info: return "DW_AT_mac_info";
|
||
case DW_AT_src_coords: return "DW_AT_src_coords";
|
||
case DW_AT_body_begin: return "DW_AT_body_begin";
|
||
case DW_AT_body_end: return "DW_AT_body_end";
|
||
default:
|
||
{
|
||
static char buffer [100];
|
||
|
||
sprintf (buffer, _("Unknown AT value: %lx"), attribute);
|
||
return buffer;
|
||
}
|
||
}
|
||
}
|
||
|
||
static char *
|
||
get_FORM_name (form)
|
||
unsigned long form;
|
||
{
|
||
switch (form)
|
||
{
|
||
case DW_FORM_addr: return "DW_FORM_addr";
|
||
case DW_FORM_block2: return "DW_FORM_block2";
|
||
case DW_FORM_block4: return "DW_FORM_block4";
|
||
case DW_FORM_data2: return "DW_FORM_data2";
|
||
case DW_FORM_data4: return "DW_FORM_data4";
|
||
case DW_FORM_data8: return "DW_FORM_data8";
|
||
case DW_FORM_string: return "DW_FORM_string";
|
||
case DW_FORM_block: return "DW_FORM_block";
|
||
case DW_FORM_block1: return "DW_FORM_block1";
|
||
case DW_FORM_data1: return "DW_FORM_data1";
|
||
case DW_FORM_flag: return "DW_FORM_flag";
|
||
case DW_FORM_sdata: return "DW_FORM_sdata";
|
||
case DW_FORM_strp: return "DW_FORM_strp";
|
||
case DW_FORM_udata: return "DW_FORM_udata";
|
||
case DW_FORM_ref_addr: return "DW_FORM_ref_addr";
|
||
case DW_FORM_ref1: return "DW_FORM_ref1";
|
||
case DW_FORM_ref2: return "DW_FORM_ref2";
|
||
case DW_FORM_ref4: return "DW_FORM_ref4";
|
||
case DW_FORM_ref8: return "DW_FORM_ref8";
|
||
case DW_FORM_ref_udata: return "DW_FORM_ref_udata";
|
||
case DW_FORM_indirect: return "DW_FORM_indirect";
|
||
default:
|
||
{
|
||
static char buffer [100];
|
||
|
||
sprintf (buffer, _("Unknown FORM value: %lx"), form);
|
||
return buffer;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* FIXME: There are better and more effiecint ways to handle
|
||
these structures. For now though, I just want something that
|
||
is simple to implement. */
|
||
typedef struct abbrev_attr
|
||
{
|
||
unsigned long attribute;
|
||
unsigned long form;
|
||
struct abbrev_attr * next;
|
||
}
|
||
abbrev_attr;
|
||
|
||
typedef struct abbrev_entry
|
||
{
|
||
unsigned long entry;
|
||
unsigned long tag;
|
||
int children;
|
||
struct abbrev_attr * first_attr;
|
||
struct abbrev_attr * last_attr;
|
||
struct abbrev_entry * next;
|
||
}
|
||
abbrev_entry;
|
||
|
||
static abbrev_entry * first_abbrev = NULL;
|
||
static abbrev_entry * last_abbrev = NULL;
|
||
|
||
static void
|
||
free_abbrevs PARAMS ((void))
|
||
{
|
||
abbrev_entry * abbrev;
|
||
|
||
for (abbrev = first_abbrev; abbrev;)
|
||
{
|
||
abbrev_entry * next = abbrev->next;
|
||
abbrev_attr * attr;
|
||
|
||
for (attr = abbrev->first_attr; attr;)
|
||
{
|
||
abbrev_attr * next = attr->next;
|
||
|
||
free (attr);
|
||
attr = next;
|
||
}
|
||
|
||
free (abbrev);
|
||
abbrev = next;
|
||
}
|
||
|
||
last_abbrev = first_abbrev = NULL;
|
||
}
|
||
|
||
static void
|
||
add_abbrev (number, tag, children)
|
||
unsigned long number;
|
||
unsigned long tag;
|
||
int children;
|
||
{
|
||
abbrev_entry * entry;
|
||
|
||
entry = (abbrev_entry *) malloc (sizeof (* entry));
|
||
|
||
if (entry == NULL)
|
||
/* ugg */
|
||
return;
|
||
|
||
entry->entry = number;
|
||
entry->tag = tag;
|
||
entry->children = children;
|
||
entry->first_attr = NULL;
|
||
entry->last_attr = NULL;
|
||
entry->next = NULL;
|
||
|
||
if (first_abbrev == NULL)
|
||
first_abbrev = entry;
|
||
else
|
||
last_abbrev->next = entry;
|
||
|
||
last_abbrev = entry;
|
||
}
|
||
|
||
static void
|
||
add_abbrev_attr (attribute, form)
|
||
unsigned long attribute;
|
||
unsigned long form;
|
||
{
|
||
abbrev_attr * attr;
|
||
|
||
attr = (abbrev_attr *) malloc (sizeof (* attr));
|
||
|
||
if (attr == NULL)
|
||
/* ugg */
|
||
return;
|
||
|
||
attr->attribute = attribute;
|
||
attr->form = form;
|
||
attr->next = NULL;
|
||
|
||
if (last_abbrev->first_attr == NULL)
|
||
last_abbrev->first_attr = attr;
|
||
else
|
||
last_abbrev->last_attr->next = attr;
|
||
|
||
last_abbrev->last_attr = attr;
|
||
}
|
||
|
||
/* Processes the (partial) contents of a .debug_abbrev section.
|
||
Returns NULL if the end of the section was encountered.
|
||
Returns the address after the last byte read if the end of
|
||
an abbreviation set was found. */
|
||
|
||
static unsigned char *
|
||
process_abbrev_section (start, end)
|
||
unsigned char * start;
|
||
unsigned char * end;
|
||
{
|
||
if (first_abbrev != NULL)
|
||
return NULL;
|
||
|
||
while (start < end)
|
||
{
|
||
int bytes_read;
|
||
unsigned long entry;
|
||
unsigned long tag;
|
||
unsigned long attribute;
|
||
int children;
|
||
|
||
entry = read_leb128 (start, & bytes_read, 0);
|
||
start += bytes_read;
|
||
|
||
/* A single zero is supposed to end the section according
|
||
to the standard. If there's more, then signal that to
|
||
the caller. */
|
||
if (entry == 0)
|
||
return start == end ? NULL : start;
|
||
|
||
tag = read_leb128 (start, & bytes_read, 0);
|
||
start += bytes_read;
|
||
|
||
children = * start ++;
|
||
|
||
add_abbrev (entry, tag, children);
|
||
|
||
do
|
||
{
|
||
unsigned long form;
|
||
|
||
attribute = read_leb128 (start, & bytes_read, 0);
|
||
start += bytes_read;
|
||
|
||
form = read_leb128 (start, & bytes_read, 0);
|
||
start += bytes_read;
|
||
|
||
if (attribute != 0)
|
||
add_abbrev_attr (attribute, form);
|
||
}
|
||
while (attribute != 0);
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
|
||
static int
|
||
display_debug_macinfo (section, start, file)
|
||
Elf32_Internal_Shdr * section;
|
||
unsigned char * start;
|
||
FILE * file ATTRIBUTE_UNUSED;
|
||
{
|
||
unsigned char * end = start + section->sh_size;
|
||
unsigned char * curr = start;
|
||
unsigned int bytes_read;
|
||
enum dwarf_macinfo_record_type op;
|
||
|
||
printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
|
||
|
||
while (curr < end)
|
||
{
|
||
unsigned int lineno;
|
||
const char * string;
|
||
|
||
op = * curr;
|
||
curr ++;
|
||
|
||
switch (op)
|
||
{
|
||
case DW_MACINFO_start_file:
|
||
{
|
||
unsigned int filenum;
|
||
|
||
lineno = read_leb128 (curr, & bytes_read, 0);
|
||
curr += bytes_read;
|
||
filenum = read_leb128 (curr, & bytes_read, 0);
|
||
curr += bytes_read;
|
||
|
||
printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"), lineno, filenum);
|
||
}
|
||
break;
|
||
|
||
case DW_MACINFO_end_file:
|
||
printf (_(" DW_MACINFO_end_file\n"));
|
||
break;
|
||
|
||
case DW_MACINFO_define:
|
||
lineno = read_leb128 (curr, & bytes_read, 0);
|
||
curr += bytes_read;
|
||
string = curr;
|
||
curr += strlen (string) + 1;
|
||
printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"), lineno, string);
|
||
break;
|
||
|
||
case DW_MACINFO_undef:
|
||
lineno = read_leb128 (curr, & bytes_read, 0);
|
||
curr += bytes_read;
|
||
string = curr;
|
||
curr += strlen (string) + 1;
|
||
printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"), lineno, string);
|
||
break;
|
||
|
||
case DW_MACINFO_vendor_ext:
|
||
{
|
||
unsigned int constant;
|
||
|
||
constant = read_leb128 (curr, & bytes_read, 0);
|
||
curr += bytes_read;
|
||
string = curr;
|
||
curr += strlen (string) + 1;
|
||
printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"), constant, string);
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
return 1;
|
||
}
|
||
|
||
|
||
static int
|
||
display_debug_abbrev (section, start, file)
|
||
Elf32_Internal_Shdr * section;
|
||
unsigned char * start;
|
||
FILE * file ATTRIBUTE_UNUSED;
|
||
{
|
||
abbrev_entry * entry;
|
||
unsigned char * end = start + section->sh_size;
|
||
|
||
printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
|
||
|
||
do
|
||
{
|
||
start = process_abbrev_section (start, end);
|
||
|
||
if (first_abbrev == NULL)
|
||
continue;
|
||
|
||
printf (_(" Number TAG\n"));
|
||
|
||
for (entry = first_abbrev; entry; entry = entry->next)
|
||
{
|
||
abbrev_attr * attr;
|
||
|
||
printf (_(" %ld %s [%s]\n"),
|
||
entry->entry,
|
||
get_TAG_name (entry->tag),
|
||
entry->children ? _("has children") : _("no children"));
|
||
|
||
for (attr = entry->first_attr; attr; attr = attr->next)
|
||
{
|
||
printf (_(" %-18s %s\n"),
|
||
get_AT_name (attr->attribute),
|
||
get_FORM_name (attr->form));
|
||
}
|
||
}
|
||
|
||
free_abbrevs ();
|
||
}
|
||
while (start);
|
||
|
||
printf ("\n");
|
||
|
||
return 1;
|
||
}
|
||
|
||
|
||
static unsigned char *
|
||
display_block (data, length)
|
||
unsigned char * data;
|
||
unsigned long length;
|
||
{
|
||
printf (_(" %lu byte block: "), length);
|
||
|
||
while (length --)
|
||
printf ("%lx ", (unsigned long) byte_get (data ++, 1));
|
||
|
||
return data;
|
||
}
|
||
|
||
static void
|
||
decode_location_expression (data, pointer_size, length)
|
||
unsigned char * data;
|
||
unsigned int pointer_size;
|
||
unsigned long length;
|
||
{
|
||
unsigned op;
|
||
int bytes_read;
|
||
unsigned long uvalue;
|
||
unsigned char * end = data + length;
|
||
|
||
while (data < end)
|
||
{
|
||
op = * data ++;
|
||
|
||
switch (op)
|
||
{
|
||
case DW_OP_addr:
|
||
printf ("DW_OP_addr: %lx",
|
||
(unsigned long) byte_get (data, pointer_size));
|
||
data += pointer_size;
|
||
break;
|
||
case DW_OP_deref:
|
||
printf ("DW_OP_deref");
|
||
break;
|
||
case DW_OP_const1u:
|
||
printf ("DW_OP_const1u: %lu", (unsigned long) byte_get (data++, 1));
|
||
break;
|
||
case DW_OP_const1s:
|
||
printf ("DW_OP_const1s: %ld", (long) byte_get (data++, 1));
|
||
break;
|
||
case DW_OP_const2u:
|
||
printf ("DW_OP_const2u: %lu", (unsigned long) byte_get (data, 2));
|
||
data += 2;
|
||
break;
|
||
case DW_OP_const2s:
|
||
printf ("DW_OP_const2s: %ld", (long) byte_get (data, 2));
|
||
data += 2;
|
||
break;
|
||
case DW_OP_const4u:
|
||
printf ("DW_OP_const4u: %lu", (unsigned long) byte_get (data, 4));
|
||
data += 4;
|
||
break;
|
||
case DW_OP_const4s:
|
||
printf ("DW_OP_const4s: %ld", (long) byte_get (data, 4));
|
||
data += 4;
|
||
break;
|
||
case DW_OP_const8u:
|
||
printf ("DW_OP_const8u: %lu %lu", (unsigned long) byte_get (data, 4),
|
||
(unsigned long) byte_get (data + 4, 4));
|
||
data += 8;
|
||
break;
|
||
case DW_OP_const8s:
|
||
printf ("DW_OP_const8s: %ld %ld", (long) byte_get (data, 4),
|
||
(long) byte_get (data + 4, 4));
|
||
data += 8;
|
||
break;
|
||
case DW_OP_constu:
|
||
printf ("DW_OP_constu: %lu", read_leb128 (data, &bytes_read, 0));
|
||
data += bytes_read;
|
||
break;
|
||
case DW_OP_consts:
|
||
printf ("DW_OP_consts: %ld", read_leb128 (data, &bytes_read, 1));
|
||
data += bytes_read;
|
||
break;
|
||
case DW_OP_dup:
|
||
printf ("DW_OP_dup");
|
||
break;
|
||
case DW_OP_drop:
|
||
printf ("DW_OP_drop");
|
||
break;
|
||
case DW_OP_over:
|
||
printf ("DW_OP_over");
|
||
break;
|
||
case DW_OP_pick:
|
||
printf ("DW_OP_pick: %ld", (unsigned long) byte_get (data++, 1));
|
||
break;
|
||
case DW_OP_swap:
|
||
printf ("DW_OP_swap");
|
||
break;
|
||
case DW_OP_rot:
|
||
printf ("DW_OP_rot");
|
||
break;
|
||
case DW_OP_xderef:
|
||
printf ("DW_OP_xderef");
|
||
break;
|
||
case DW_OP_abs:
|
||
printf ("DW_OP_abs");
|
||
break;
|
||
case DW_OP_and:
|
||
printf ("DW_OP_and");
|
||
break;
|
||
case DW_OP_div:
|
||
printf ("DW_OP_div");
|
||
break;
|
||
case DW_OP_minus:
|
||
printf ("DW_OP_minus");
|
||
break;
|
||
case DW_OP_mod:
|
||
printf ("DW_OP_mod");
|
||
break;
|
||
case DW_OP_mul:
|
||
printf ("DW_OP_mul");
|
||
break;
|
||
case DW_OP_neg:
|
||
printf ("DW_OP_neg");
|
||
break;
|
||
case DW_OP_not:
|
||
printf ("DW_OP_not");
|
||
break;
|
||
case DW_OP_or:
|
||
printf ("DW_OP_or");
|
||
break;
|
||
case DW_OP_plus:
|
||
printf ("DW_OP_plus");
|
||
break;
|
||
case DW_OP_plus_uconst:
|
||
printf ("DW_OP_plus_uconst: %lu",
|
||
read_leb128 (data, &bytes_read, 0));
|
||
data += bytes_read;
|
||
break;
|
||
case DW_OP_shl:
|
||
printf ("DW_OP_shl");
|
||
break;
|
||
case DW_OP_shr:
|
||
printf ("DW_OP_shr");
|
||
break;
|
||
case DW_OP_shra:
|
||
printf ("DW_OP_shra");
|
||
break;
|
||
case DW_OP_xor:
|
||
printf ("DW_OP_xor");
|
||
break;
|
||
case DW_OP_bra:
|
||
printf ("DW_OP_bra: %ld", (long) byte_get (data, 2));
|
||
data += 2;
|
||
break;
|
||
case DW_OP_eq:
|
||
printf ("DW_OP_eq");
|
||
break;
|
||
case DW_OP_ge:
|
||
printf ("DW_OP_ge");
|
||
break;
|
||
case DW_OP_gt:
|
||
printf ("DW_OP_gt");
|
||
break;
|
||
case DW_OP_le:
|
||
printf ("DW_OP_le");
|
||
break;
|
||
case DW_OP_lt:
|
||
printf ("DW_OP_lt");
|
||
break;
|
||
case DW_OP_ne:
|
||
printf ("DW_OP_ne");
|
||
break;
|
||
case DW_OP_skip:
|
||
printf ("DW_OP_skip: %ld", (long) byte_get (data, 2));
|
||
data += 2;
|
||
break;
|
||
|
||
case DW_OP_lit0:
|
||
case DW_OP_lit1:
|
||
case DW_OP_lit2:
|
||
case DW_OP_lit3:
|
||
case DW_OP_lit4:
|
||
case DW_OP_lit5:
|
||
case DW_OP_lit6:
|
||
case DW_OP_lit7:
|
||
case DW_OP_lit8:
|
||
case DW_OP_lit9:
|
||
case DW_OP_lit10:
|
||
case DW_OP_lit11:
|
||
case DW_OP_lit12:
|
||
case DW_OP_lit13:
|
||
case DW_OP_lit14:
|
||
case DW_OP_lit15:
|
||
case DW_OP_lit16:
|
||
case DW_OP_lit17:
|
||
case DW_OP_lit18:
|
||
case DW_OP_lit19:
|
||
case DW_OP_lit20:
|
||
case DW_OP_lit21:
|
||
case DW_OP_lit22:
|
||
case DW_OP_lit23:
|
||
case DW_OP_lit24:
|
||
case DW_OP_lit25:
|
||
case DW_OP_lit26:
|
||
case DW_OP_lit27:
|
||
case DW_OP_lit28:
|
||
case DW_OP_lit29:
|
||
case DW_OP_lit30:
|
||
case DW_OP_lit31:
|
||
printf ("DW_OP_lit%d", op - DW_OP_lit0);
|
||
break;
|
||
|
||
case DW_OP_reg0:
|
||
case DW_OP_reg1:
|
||
case DW_OP_reg2:
|
||
case DW_OP_reg3:
|
||
case DW_OP_reg4:
|
||
case DW_OP_reg5:
|
||
case DW_OP_reg6:
|
||
case DW_OP_reg7:
|
||
case DW_OP_reg8:
|
||
case DW_OP_reg9:
|
||
case DW_OP_reg10:
|
||
case DW_OP_reg11:
|
||
case DW_OP_reg12:
|
||
case DW_OP_reg13:
|
||
case DW_OP_reg14:
|
||
case DW_OP_reg15:
|
||
case DW_OP_reg16:
|
||
case DW_OP_reg17:
|
||
case DW_OP_reg18:
|
||
case DW_OP_reg19:
|
||
case DW_OP_reg20:
|
||
case DW_OP_reg21:
|
||
case DW_OP_reg22:
|
||
case DW_OP_reg23:
|
||
case DW_OP_reg24:
|
||
case DW_OP_reg25:
|
||
case DW_OP_reg26:
|
||
case DW_OP_reg27:
|
||
case DW_OP_reg28:
|
||
case DW_OP_reg29:
|
||
case DW_OP_reg30:
|
||
case DW_OP_reg31:
|
||
printf ("DW_OP_reg%d", op - DW_OP_reg0);
|
||
break;
|
||
|
||
case DW_OP_breg0:
|
||
case DW_OP_breg1:
|
||
case DW_OP_breg2:
|
||
case DW_OP_breg3:
|
||
case DW_OP_breg4:
|
||
case DW_OP_breg5:
|
||
case DW_OP_breg6:
|
||
case DW_OP_breg7:
|
||
case DW_OP_breg8:
|
||
case DW_OP_breg9:
|
||
case DW_OP_breg10:
|
||
case DW_OP_breg11:
|
||
case DW_OP_breg12:
|
||
case DW_OP_breg13:
|
||
case DW_OP_breg14:
|
||
case DW_OP_breg15:
|
||
case DW_OP_breg16:
|
||
case DW_OP_breg17:
|
||
case DW_OP_breg18:
|
||
case DW_OP_breg19:
|
||
case DW_OP_breg20:
|
||
case DW_OP_breg21:
|
||
case DW_OP_breg22:
|
||
case DW_OP_breg23:
|
||
case DW_OP_breg24:
|
||
case DW_OP_breg25:
|
||
case DW_OP_breg26:
|
||
case DW_OP_breg27:
|
||
case DW_OP_breg28:
|
||
case DW_OP_breg29:
|
||
case DW_OP_breg30:
|
||
case DW_OP_breg31:
|
||
printf ("DW_OP_breg%d: %ld", op - DW_OP_breg0,
|
||
read_leb128 (data, &bytes_read, 1));
|
||
data += bytes_read;
|
||
break;
|
||
|
||
case DW_OP_regx:
|
||
printf ("DW_OP_regx: %lu", read_leb128 (data, &bytes_read, 0));
|
||
data += bytes_read;
|
||
break;
|
||
case DW_OP_fbreg:
|
||
printf ("DW_OP_fbreg: %ld", read_leb128 (data, &bytes_read, 1));
|
||
data += bytes_read;
|
||
break;
|
||
case DW_OP_bregx:
|
||
uvalue = read_leb128 (data, &bytes_read, 0);
|
||
data += bytes_read;
|
||
printf ("DW_OP_bregx: %lu %ld", uvalue,
|
||
read_leb128 (data, &bytes_read, 1));
|
||
data += bytes_read;
|
||
break;
|
||
case DW_OP_piece:
|
||
printf ("DW_OP_piece: %lu", read_leb128 (data, &bytes_read, 0));
|
||
data += bytes_read;
|
||
break;
|
||
case DW_OP_deref_size:
|
||
printf ("DW_OP_deref_size: %ld", (long) byte_get (data++, 1));
|
||
break;
|
||
case DW_OP_xderef_size:
|
||
printf ("DW_OP_xderef_size: %ld", (long) byte_get (data++, 1));
|
||
break;
|
||
case DW_OP_nop:
|
||
printf ("DW_OP_nop");
|
||
break;
|
||
|
||
/* DWARF 2.1 extensions. */
|
||
case DW_OP_push_object_address:
|
||
printf ("DW_OP_push_object_address");
|
||
break;
|
||
case DW_OP_call2:
|
||
printf ("DW_OP_call2: <%lx>", (long) byte_get (data, 2));
|
||
data += 2;
|
||
break;
|
||
case DW_OP_call4:
|
||
printf ("DW_OP_call4: <%lx>", (long) byte_get (data, 4));
|
||
data += 4;
|
||
break;
|
||
case DW_OP_calli:
|
||
printf ("DW_OP_calli");
|
||
break;
|
||
|
||
default:
|
||
if (op >= DW_OP_lo_user
|
||
&& op <= DW_OP_hi_user)
|
||
printf (_("(User defined location op)"));
|
||
else
|
||
printf (_("(Unknown location op)"));
|
||
/* No way to tell where the next op is, so just bail. */
|
||
return;
|
||
}
|
||
|
||
/* Separate the ops. */
|
||
printf ("; ");
|
||
}
|
||
}
|
||
|
||
|
||
static const char * debug_str_contents;
|
||
static bfd_vma debug_str_size;
|
||
|
||
static void
|
||
load_debug_str (file)
|
||
FILE * file;
|
||
{
|
||
Elf32_Internal_Shdr * sec;
|
||
unsigned int i;
|
||
|
||
/* If it is already loaded, do nothing. */
|
||
if (debug_str_contents != NULL)
|
||
return;
|
||
|
||
/* Locate the .debug_str section. */
|
||
for (i = 0, sec = section_headers;
|
||
i < elf_header.e_shnum;
|
||
i ++, sec ++)
|
||
if (strcmp (SECTION_NAME (sec), ".debug_str") == 0)
|
||
break;
|
||
|
||
if (i == elf_header.e_shnum || sec->sh_size == 0)
|
||
return;
|
||
|
||
debug_str_size = sec->sh_size;
|
||
|
||
debug_str_contents = ((char *)
|
||
get_data (NULL, file, sec->sh_offset, sec->sh_size,
|
||
_("debug_str section data")));
|
||
}
|
||
|
||
static void
|
||
free_debug_str ()
|
||
{
|
||
if (debug_str_contents == NULL)
|
||
return;
|
||
|
||
free ((char *) debug_str_contents);
|
||
debug_str_contents = NULL;
|
||
debug_str_size = 0;
|
||
}
|
||
|
||
static const char *
|
||
fetch_indirect_string (offset)
|
||
unsigned long offset;
|
||
{
|
||
if (debug_str_contents == NULL)
|
||
return _("<no .debug_str section>");
|
||
|
||
if (offset > debug_str_size)
|
||
return _("<offset is too big>");
|
||
|
||
return debug_str_contents + offset;
|
||
}
|
||
|
||
|
||
static int
|
||
display_debug_str (section, start, file)
|
||
Elf32_Internal_Shdr * section;
|
||
unsigned char * start;
|
||
FILE * file ATTRIBUTE_UNUSED;
|
||
{
|
||
unsigned long bytes;
|
||
bfd_vma addr;
|
||
|
||
addr = section->sh_addr;
|
||
bytes = section->sh_size;
|
||
|
||
if (bytes == 0)
|
||
{
|
||
printf (_("\nThe .debug_str section is empty.\n"));
|
||
return 0;
|
||
}
|
||
|
||
printf (_("Contents of the .debug_str section:\n\n"));
|
||
|
||
while (bytes)
|
||
{
|
||
int j;
|
||
int k;
|
||
int lbytes;
|
||
|
||
lbytes = (bytes > 16 ? 16 : bytes);
|
||
|
||
printf (" 0x%8.8lx ", (unsigned long) addr);
|
||
|
||
for (j = 0; j < 16; j++)
|
||
{
|
||
if (j < lbytes)
|
||
printf ("%2.2x", start [j]);
|
||
else
|
||
printf (" ");
|
||
|
||
if ((j & 3) == 3)
|
||
printf (" ");
|
||
}
|
||
|
||
for (j = 0; j < lbytes; j++)
|
||
{
|
||
k = start [j];
|
||
if (k >= ' ' && k < 0x80)
|
||
printf ("%c", k);
|
||
else
|
||
printf (".");
|
||
}
|
||
|
||
putchar ('\n');
|
||
|
||
start += lbytes;
|
||
addr += lbytes;
|
||
bytes -= lbytes;
|
||
}
|
||
|
||
return 1;
|
||
}
|
||
|
||
|
||
static unsigned char *
|
||
read_and_display_attr_value (attribute, form, data, cu_offset, pointer_size)
|
||
unsigned long attribute;
|
||
unsigned long form;
|
||
unsigned char * data;
|
||
unsigned long cu_offset;
|
||
unsigned long pointer_size;
|
||
{
|
||
unsigned long uvalue = 0;
|
||
unsigned char * block_start = NULL;
|
||
int bytes_read;
|
||
|
||
switch (form)
|
||
{
|
||
default:
|
||
break;
|
||
|
||
case DW_FORM_ref_addr:
|
||
case DW_FORM_addr:
|
||
uvalue = byte_get (data, pointer_size);
|
||
data += pointer_size;
|
||
break;
|
||
|
||
case DW_FORM_strp:
|
||
uvalue = byte_get (data, /* offset_size */ 4);
|
||
data += /* offset_size */ 4;
|
||
break;
|
||
|
||
case DW_FORM_ref1:
|
||
case DW_FORM_flag:
|
||
case DW_FORM_data1:
|
||
uvalue = byte_get (data ++, 1);
|
||
break;
|
||
|
||
case DW_FORM_ref2:
|
||
case DW_FORM_data2:
|
||
uvalue = byte_get (data, 2);
|
||
data += 2;
|
||
break;
|
||
|
||
case DW_FORM_ref4:
|
||
case DW_FORM_data4:
|
||
uvalue = byte_get (data, 4);
|
||
data += 4;
|
||
break;
|
||
|
||
case DW_FORM_sdata:
|
||
uvalue = read_leb128 (data, & bytes_read, 1);
|
||
data += bytes_read;
|
||
break;
|
||
|
||
case DW_FORM_ref_udata:
|
||
case DW_FORM_udata:
|
||
uvalue = read_leb128 (data, & bytes_read, 0);
|
||
data += bytes_read;
|
||
break;
|
||
|
||
case DW_FORM_indirect:
|
||
form = read_leb128 (data, & bytes_read, 0);
|
||
data += bytes_read;
|
||
printf (" %s", get_FORM_name (form));
|
||
return read_and_display_attr_value (attribute, form, data, cu_offset,
|
||
pointer_size);
|
||
}
|
||
|
||
switch (form)
|
||
{
|
||
case DW_FORM_ref_addr:
|
||
printf (" <#%lx>", uvalue);
|
||
break;
|
||
|
||
case DW_FORM_ref1:
|
||
case DW_FORM_ref2:
|
||
case DW_FORM_ref4:
|
||
case DW_FORM_ref_udata:
|
||
printf (" <%lx>", uvalue + cu_offset);
|
||
break;
|
||
|
||
case DW_FORM_addr:
|
||
printf (" %#lx", uvalue);
|
||
|
||
case DW_FORM_flag:
|
||
case DW_FORM_data1:
|
||
case DW_FORM_data2:
|
||
case DW_FORM_data4:
|
||
case DW_FORM_sdata:
|
||
case DW_FORM_udata:
|
||
printf (" %ld", uvalue);
|
||
break;
|
||
|
||
case DW_FORM_ref8:
|
||
case DW_FORM_data8:
|
||
uvalue = byte_get (data, 4);
|
||
printf (" %lx", uvalue);
|
||
printf (" %lx", (unsigned long) byte_get (data + 4, 4));
|
||
data += 8;
|
||
break;
|
||
|
||
case DW_FORM_string:
|
||
printf (" %s", data);
|
||
data += strlen ((char *) data) + 1;
|
||
break;
|
||
|
||
case DW_FORM_block:
|
||
uvalue = read_leb128 (data, & bytes_read, 0);
|
||
block_start = data + bytes_read;
|
||
data = display_block (block_start, uvalue);
|
||
break;
|
||
|
||
case DW_FORM_block1:
|
||
uvalue = byte_get (data, 1);
|
||
block_start = data + 1;
|
||
data = display_block (block_start, uvalue);
|
||
break;
|
||
|
||
case DW_FORM_block2:
|
||
uvalue = byte_get (data, 2);
|
||
block_start = data + 2;
|
||
data = display_block (block_start, uvalue);
|
||
break;
|
||
|
||
case DW_FORM_block4:
|
||
uvalue = byte_get (data, 4);
|
||
block_start = data + 4;
|
||
data = display_block (block_start, uvalue);
|
||
break;
|
||
|
||
case DW_FORM_strp:
|
||
printf (_(" (indirect string, offset: 0x%lx): "), uvalue);
|
||
printf (fetch_indirect_string (uvalue));
|
||
break;
|
||
|
||
case DW_FORM_indirect:
|
||
/* Handled above. */
|
||
break;
|
||
|
||
default:
|
||
warn (_("Unrecognised form: %d\n"), form);
|
||
break;
|
||
}
|
||
|
||
/* For some attributes we can display futher information. */
|
||
|
||
printf ("\t");
|
||
|
||
switch (attribute)
|
||
{
|
||
case DW_AT_inline:
|
||
switch (uvalue)
|
||
{
|
||
case DW_INL_not_inlined: printf (_("(not inlined)")); break;
|
||
case DW_INL_inlined: printf (_("(inlined)")); break;
|
||
case DW_INL_declared_not_inlined: printf (_("(declared as inline but ignored)")); break;
|
||
case DW_INL_declared_inlined: printf (_("(declared as inline and inlined)")); break;
|
||
default: printf (_(" (Unknown inline attribute value: %lx)"), uvalue); break;
|
||
}
|
||
break;
|
||
|
||
case DW_AT_language:
|
||
switch (uvalue)
|
||
{
|
||
case DW_LANG_C: printf ("(non-ANSI C)"); break;
|
||
case DW_LANG_C89: printf ("(ANSI C)"); break;
|
||
case DW_LANG_C_plus_plus: printf ("(C++)"); break;
|
||
case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break;
|
||
case DW_LANG_Fortran90: printf ("(Fortran 90)"); break;
|
||
case DW_LANG_Modula2: printf ("(Modula 2)"); break;
|
||
case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break;
|
||
case DW_LANG_Ada83: printf ("(Ada)"); break;
|
||
case DW_LANG_Cobol74: printf ("(Cobol 74)"); break;
|
||
case DW_LANG_Cobol85: printf ("(Cobol 85)"); break;
|
||
/* DWARF 2.1 values. */
|
||
case DW_LANG_C99: printf ("(ANSI C99)"); break;
|
||
case DW_LANG_Ada95: printf ("(ADA 95)"); break;
|
||
case DW_LANG_Fortran95: printf ("(Fortran 95)"); break;
|
||
/* MIPS extension. */
|
||
case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break;
|
||
default: printf ("(Unknown: %lx)", uvalue); break;
|
||
}
|
||
break;
|
||
|
||
case DW_AT_encoding:
|
||
switch (uvalue)
|
||
{
|
||
case DW_ATE_void: printf ("(void)"); break;
|
||
case DW_ATE_address: printf ("(machine address)"); break;
|
||
case DW_ATE_boolean: printf ("(boolean)"); break;
|
||
case DW_ATE_complex_float: printf ("(complex float)"); break;
|
||
case DW_ATE_float: printf ("(float)"); break;
|
||
case DW_ATE_signed: printf ("(signed)"); break;
|
||
case DW_ATE_signed_char: printf ("(signed char)"); break;
|
||
case DW_ATE_unsigned: printf ("(unsigned)"); break;
|
||
case DW_ATE_unsigned_char: printf ("(unsigned char)"); break;
|
||
/* DWARF 2.1 value. */
|
||
case DW_ATE_imaginary_float: printf ("(imaginary float)"); break;
|
||
default:
|
||
if (uvalue >= DW_ATE_lo_user
|
||
&& uvalue <= DW_ATE_hi_user)
|
||
printf ("(user defined type)");
|
||
else
|
||
printf ("(unknown type)");
|
||
break;
|
||
}
|
||
break;
|
||
|
||
case DW_AT_accessibility:
|
||
switch (uvalue)
|
||
{
|
||
case DW_ACCESS_public: printf ("(public)"); break;
|
||
case DW_ACCESS_protected: printf ("(protected)"); break;
|
||
case DW_ACCESS_private: printf ("(private)"); break;
|
||
default: printf ("(unknown accessibility)"); break;
|
||
}
|
||
break;
|
||
|
||
case DW_AT_visibility:
|
||
switch (uvalue)
|
||
{
|
||
case DW_VIS_local: printf ("(local)"); break;
|
||
case DW_VIS_exported: printf ("(exported)"); break;
|
||
case DW_VIS_qualified: printf ("(qualified)"); break;
|
||
default: printf ("(unknown visibility)"); break;
|
||
}
|
||
break;
|
||
|
||
case DW_AT_virtuality:
|
||
switch (uvalue)
|
||
{
|
||
case DW_VIRTUALITY_none: printf ("(none)"); break;
|
||
case DW_VIRTUALITY_virtual: printf ("(virtual)"); break;
|
||
case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break;
|
||
default: printf ("(unknown virtuality)"); break;
|
||
}
|
||
break;
|
||
|
||
case DW_AT_identifier_case:
|
||
switch (uvalue)
|
||
{
|
||
case DW_ID_case_sensitive: printf ("(case_sensitive)"); break;
|
||
case DW_ID_up_case: printf ("(up_case)"); break;
|
||
case DW_ID_down_case: printf ("(down_case)"); break;
|
||
case DW_ID_case_insensitive: printf ("(case_insensitive)"); break;
|
||
default: printf ("(unknown case)"); break;
|
||
}
|
||
break;
|
||
|
||
case DW_AT_calling_convention:
|
||
switch (uvalue)
|
||
{
|
||
case DW_CC_normal: printf ("(normal)"); break;
|
||
case DW_CC_program: printf ("(program)"); break;
|
||
case DW_CC_nocall: printf ("(nocall)"); break;
|
||
default:
|
||
if (uvalue >= DW_CC_lo_user
|
||
&& uvalue <= DW_CC_hi_user)
|
||
printf ("(user defined)");
|
||
else
|
||
printf ("(unknown convention)");
|
||
}
|
||
break;
|
||
|
||
case DW_AT_ordering:
|
||
switch (uvalue)
|
||
{
|
||
case -1: printf ("(undefined)"); break;
|
||
case 0: printf ("(row major)"); break;
|
||
case 1: printf ("(column major)"); break;
|
||
}
|
||
break;
|
||
|
||
case DW_AT_frame_base:
|
||
case DW_AT_location:
|
||
case DW_AT_data_member_location:
|
||
case DW_AT_vtable_elem_location:
|
||
case DW_AT_allocated:
|
||
case DW_AT_associated:
|
||
case DW_AT_data_location:
|
||
case DW_AT_stride:
|
||
case DW_AT_upper_bound:
|
||
case DW_AT_lower_bound:
|
||
if (block_start)
|
||
{
|
||
printf ("(");
|
||
decode_location_expression (block_start, pointer_size, uvalue);
|
||
printf (")");
|
||
}
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
|
||
return data;
|
||
}
|
||
|
||
static unsigned char *
|
||
read_and_display_attr (attribute, form, data, cu_offset, pointer_size)
|
||
unsigned long attribute;
|
||
unsigned long form;
|
||
unsigned char * data;
|
||
unsigned long cu_offset;
|
||
unsigned long pointer_size;
|
||
{
|
||
printf (" %-18s:", get_AT_name (attribute));
|
||
data = read_and_display_attr_value (attribute, form, data, cu_offset,
|
||
pointer_size);
|
||
printf ("\n");
|
||
return data;
|
||
}
|
||
|
||
static int
|
||
display_debug_info (section, start, file)
|
||
Elf32_Internal_Shdr * section;
|
||
unsigned char * start;
|
||
FILE * file;
|
||
{
|
||
unsigned char * end = start + section->sh_size;
|
||
unsigned char * section_begin = start;
|
||
|
||
printf (_("The section %s contains:\n\n"), SECTION_NAME (section));
|
||
|
||
load_debug_str (file);
|
||
|
||
while (start < end)
|
||
{
|
||
DWARF2_External_CompUnit * external;
|
||
DWARF2_Internal_CompUnit compunit;
|
||
Elf32_Internal_Shdr * relsec;
|
||
unsigned char * tags;
|
||
unsigned int i;
|
||
int level;
|
||
unsigned long cu_offset;
|
||
|
||
external = (DWARF2_External_CompUnit *) start;
|
||
|
||
compunit.cu_length = BYTE_GET (external->cu_length);
|
||
compunit.cu_version = BYTE_GET (external->cu_version);
|
||
compunit.cu_abbrev_offset = BYTE_GET (external->cu_abbrev_offset);
|
||
compunit.cu_pointer_size = BYTE_GET (external->cu_pointer_size);
|
||
|
||
if (compunit.cu_length == 0xffffffff)
|
||
{
|
||
warn (_("64-bit DWARF debug info is not supported yet.\n"));
|
||
break;
|
||
}
|
||
|
||
/* Check for RELA relocations in the abbrev_offset address, and
|
||
apply them. */
|
||
for (relsec = section_headers;
|
||
relsec < section_headers + elf_header.e_shnum;
|
||
++relsec)
|
||
{
|
||
unsigned long nrelas;
|
||
Elf_Internal_Rela *rela, *rp;
|
||
Elf32_Internal_Shdr *symsec;
|
||
Elf_Internal_Sym *symtab;
|
||
Elf_Internal_Sym *sym;
|
||
|
||
if (relsec->sh_type != SHT_RELA
|
||
|| SECTION_HEADER (relsec->sh_info) != section)
|
||
continue;
|
||
|
||
if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size,
|
||
& rela, & nrelas))
|
||
return 0;
|
||
|
||
symsec = SECTION_HEADER (relsec->sh_link);
|
||
symtab = GET_ELF_SYMBOLS (file, symsec);
|
||
|
||
for (rp = rela; rp < rela + nrelas; ++rp)
|
||
{
|
||
if (rp->r_offset
|
||
!= (bfd_vma) ((unsigned char *) &external->cu_abbrev_offset
|
||
- section_begin))
|
||
continue;
|
||
|
||
if (is_32bit_elf)
|
||
{
|
||
sym = symtab + ELF32_R_SYM (rp->r_info);
|
||
|
||
if (ELF32_ST_TYPE (sym->st_info) != STT_SECTION)
|
||
{
|
||
warn (_("Skipping unexpected symbol type %u\n"),
|
||
ELF32_ST_TYPE (sym->st_info));
|
||
continue;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
sym = symtab + ELF64_R_SYM (rp->r_info);
|
||
|
||
if (ELF64_ST_TYPE (sym->st_info) != STT_SECTION)
|
||
{
|
||
warn (_("Skipping unexpected symbol type %u\n"),
|
||
ELF64_ST_TYPE (sym->st_info));
|
||
continue;
|
||
}
|
||
}
|
||
|
||
compunit.cu_abbrev_offset += rp->r_addend;
|
||
break;
|
||
}
|
||
|
||
free (rela);
|
||
break;
|
||
}
|
||
|
||
tags = start + sizeof (* external);
|
||
cu_offset = start - section_begin;
|
||
start += compunit.cu_length + sizeof (external->cu_length);
|
||
|
||
printf (_(" Compilation Unit @ %lx:\n"), cu_offset);
|
||
printf (_(" Length: %ld\n"), compunit.cu_length);
|
||
printf (_(" Version: %d\n"), compunit.cu_version);
|
||
printf (_(" Abbrev Offset: %ld\n"), compunit.cu_abbrev_offset);
|
||
printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size);
|
||
|
||
if (compunit.cu_version != 2)
|
||
{
|
||
warn (_("Only version 2 DWARF debug information is currently supported.\n"));
|
||
continue;
|
||
}
|
||
|
||
free_abbrevs ();
|
||
|
||
/* Read in the abbrevs used by this compilation unit. */
|
||
|
||
{
|
||
Elf32_Internal_Shdr * sec;
|
||
unsigned char * begin;
|
||
|
||
/* Locate the .debug_abbrev section and process it. */
|
||
for (i = 0, sec = section_headers;
|
||
i < elf_header.e_shnum;
|
||
i ++, sec ++)
|
||
if (strcmp (SECTION_NAME (sec), ".debug_abbrev") == 0)
|
||
break;
|
||
|
||
if (i == elf_header.e_shnum || sec->sh_size == 0)
|
||
{
|
||
warn (_("Unable to locate .debug_abbrev section!\n"));
|
||
return 0;
|
||
}
|
||
|
||
begin = ((unsigned char *)
|
||
get_data (NULL, file, sec->sh_offset, sec->sh_size,
|
||
_("debug_abbrev section data")));
|
||
if (!begin)
|
||
return 0;
|
||
|
||
process_abbrev_section (begin + compunit.cu_abbrev_offset,
|
||
begin + sec->sh_size);
|
||
|
||
free (begin);
|
||
}
|
||
|
||
level = 0;
|
||
while (tags < start)
|
||
{
|
||
int bytes_read;
|
||
unsigned long abbrev_number;
|
||
abbrev_entry * entry;
|
||
abbrev_attr * attr;
|
||
|
||
abbrev_number = read_leb128 (tags, & bytes_read, 0);
|
||
tags += bytes_read;
|
||
|
||
/* A null DIE marks the end of a list of children. */
|
||
if (abbrev_number == 0)
|
||
{
|
||
--level;
|
||
continue;
|
||
}
|
||
|
||
/* Scan through the abbreviation list until we reach the
|
||
correct entry. */
|
||
for (entry = first_abbrev;
|
||
entry && entry->entry != abbrev_number;
|
||
entry = entry->next)
|
||
continue;
|
||
|
||
if (entry == NULL)
|
||
{
|
||
warn (_("Unable to locate entry %lu in the abbreviation table\n"),
|
||
abbrev_number);
|
||
return 0;
|
||
}
|
||
|
||
printf (_(" <%d><%lx>: Abbrev Number: %lu (%s)\n"),
|
||
level,
|
||
(unsigned long) (tags - section_begin - bytes_read),
|
||
abbrev_number,
|
||
get_TAG_name (entry->tag));
|
||
|
||
for (attr = entry->first_attr; attr; attr = attr->next)
|
||
tags = read_and_display_attr (attr->attribute,
|
||
attr->form,
|
||
tags, cu_offset,
|
||
compunit.cu_pointer_size);
|
||
|
||
if (entry->children)
|
||
++level;
|
||
}
|
||
}
|
||
|
||
free_debug_str ();
|
||
|
||
printf ("\n");
|
||
|
||
return 1;
|
||
}
|
||
|
||
static int
|
||
display_debug_aranges (section, start, file)
|
||
Elf32_Internal_Shdr * section;
|
||
unsigned char * start;
|
||
FILE * file ATTRIBUTE_UNUSED;
|
||
{
|
||
unsigned char * end = start + section->sh_size;
|
||
|
||
printf (_("The section %s contains:\n\n"), SECTION_NAME (section));
|
||
|
||
while (start < end)
|
||
{
|
||
DWARF2_External_ARange * external;
|
||
DWARF2_Internal_ARange arange;
|
||
unsigned char * ranges;
|
||
unsigned long length;
|
||
unsigned long address;
|
||
int excess;
|
||
|
||
external = (DWARF2_External_ARange *) start;
|
||
|
||
arange.ar_length = BYTE_GET (external->ar_length);
|
||
arange.ar_version = BYTE_GET (external->ar_version);
|
||
arange.ar_info_offset = BYTE_GET (external->ar_info_offset);
|
||
arange.ar_pointer_size = BYTE_GET (external->ar_pointer_size);
|
||
arange.ar_segment_size = BYTE_GET (external->ar_segment_size);
|
||
|
||
if (arange.ar_length == 0xffffffff)
|
||
{
|
||
warn (_("64-bit DWARF aranges are not supported yet.\n"));
|
||
break;
|
||
}
|
||
|
||
if (arange.ar_version != 2)
|
||
{
|
||
warn (_("Only DWARF 2 aranges are currently supported.\n"));
|
||
break;
|
||
}
|
||
|
||
printf (_(" Length: %ld\n"), arange.ar_length);
|
||
printf (_(" Version: %d\n"), arange.ar_version);
|
||
printf (_(" Offset into .debug_info: %lx\n"), arange.ar_info_offset);
|
||
printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size);
|
||
printf (_(" Segment Size: %d\n"), arange.ar_segment_size);
|
||
|
||
printf (_("\n Address Length\n"));
|
||
|
||
ranges = start + sizeof (* external);
|
||
|
||
/* Must pad to an alignment boundary that is twice the pointer size. */
|
||
excess = sizeof (* external) % (2 * arange.ar_pointer_size);
|
||
if (excess)
|
||
ranges += (2 * arange.ar_pointer_size) - excess;
|
||
|
||
for (;;)
|
||
{
|
||
address = byte_get (ranges, arange.ar_pointer_size);
|
||
|
||
ranges += arange.ar_pointer_size;
|
||
|
||
length = byte_get (ranges, arange.ar_pointer_size);
|
||
|
||
ranges += arange.ar_pointer_size;
|
||
|
||
/* A pair of zeros marks the end of the list. */
|
||
if (address == 0 && length == 0)
|
||
break;
|
||
|
||
printf (" %8.8lx %lu\n", address, length);
|
||
}
|
||
|
||
start += arange.ar_length + sizeof (external->ar_length);
|
||
}
|
||
|
||
printf ("\n");
|
||
|
||
return 1;
|
||
}
|
||
|
||
typedef struct Frame_Chunk
|
||
{
|
||
struct Frame_Chunk * next;
|
||
unsigned char * chunk_start;
|
||
int ncols;
|
||
/* DW_CFA_{undefined,same_value,offset,register,unreferenced} */
|
||
short int * col_type;
|
||
int * col_offset;
|
||
char * augmentation;
|
||
unsigned int code_factor;
|
||
int data_factor;
|
||
unsigned long pc_begin;
|
||
unsigned long pc_range;
|
||
int cfa_reg;
|
||
int cfa_offset;
|
||
int ra;
|
||
unsigned char fde_encoding;
|
||
}
|
||
Frame_Chunk;
|
||
|
||
/* A marker for a col_type that means this column was never referenced
|
||
in the frame info. */
|
||
#define DW_CFA_unreferenced (-1)
|
||
|
||
static void frame_need_space PARAMS ((Frame_Chunk *, int));
|
||
static void frame_display_row PARAMS ((Frame_Chunk *, int *, int *));
|
||
static int size_of_encoded_value PARAMS ((int));
|
||
|
||
static void
|
||
frame_need_space (fc, reg)
|
||
Frame_Chunk * fc;
|
||
int reg;
|
||
{
|
||
int prev = fc->ncols;
|
||
|
||
if (reg < fc->ncols)
|
||
return;
|
||
|
||
fc->ncols = reg + 1;
|
||
fc->col_type = (short int *) xrealloc (fc->col_type,
|
||
fc->ncols * sizeof (short int));
|
||
fc->col_offset = (int *) xrealloc (fc->col_offset,
|
||
fc->ncols * sizeof (int));
|
||
|
||
while (prev < fc->ncols)
|
||
{
|
||
fc->col_type[prev] = DW_CFA_unreferenced;
|
||
fc->col_offset[prev] = 0;
|
||
prev++;
|
||
}
|
||
}
|
||
|
||
static void
|
||
frame_display_row (fc, need_col_headers, max_regs)
|
||
Frame_Chunk * fc;
|
||
int * need_col_headers;
|
||
int * max_regs;
|
||
{
|
||
int r;
|
||
char tmp[100];
|
||
|
||
if (* max_regs < fc->ncols)
|
||
* max_regs = fc->ncols;
|
||
|
||
if (* need_col_headers)
|
||
{
|
||
* need_col_headers = 0;
|
||
|
||
printf (" LOC CFA ");
|
||
|
||
for (r = 0; r < * max_regs; r++)
|
||
if (fc->col_type[r] != DW_CFA_unreferenced)
|
||
{
|
||
if (r == fc->ra)
|
||
printf ("ra ");
|
||
else
|
||
printf ("r%-4d", r);
|
||
}
|
||
|
||
printf ("\n");
|
||
}
|
||
|
||
printf ("%08lx ", fc->pc_begin);
|
||
sprintf (tmp, "r%d%+d", fc->cfa_reg, fc->cfa_offset);
|
||
printf ("%-8s ", tmp);
|
||
|
||
for (r = 0; r < fc->ncols; r++)
|
||
{
|
||
if (fc->col_type[r] != DW_CFA_unreferenced)
|
||
{
|
||
switch (fc->col_type[r])
|
||
{
|
||
case DW_CFA_undefined:
|
||
strcpy (tmp, "u");
|
||
break;
|
||
case DW_CFA_same_value:
|
||
strcpy (tmp, "s");
|
||
break;
|
||
case DW_CFA_offset:
|
||
sprintf (tmp, "c%+d", fc->col_offset[r]);
|
||
break;
|
||
case DW_CFA_register:
|
||
sprintf (tmp, "r%d", fc->col_offset[r]);
|
||
break;
|
||
default:
|
||
strcpy (tmp, "n/a");
|
||
break;
|
||
}
|
||
printf ("%-5s", tmp);
|
||
}
|
||
}
|
||
printf ("\n");
|
||
}
|
||
|
||
static int
|
||
size_of_encoded_value (encoding)
|
||
int encoding;
|
||
{
|
||
switch (encoding & 0x7)
|
||
{
|
||
default: /* ??? */
|
||
case 0: return is_32bit_elf ? 4 : 8;
|
||
case 2: return 2;
|
||
case 3: return 4;
|
||
case 4: return 8;
|
||
}
|
||
}
|
||
|
||
#define GET(N) byte_get (start, N); start += N
|
||
#define LEB() read_leb128 (start, & length_return, 0); start += length_return
|
||
#define SLEB() read_leb128 (start, & length_return, 1); start += length_return
|
||
|
||
static int
|
||
display_debug_frames (section, start, file)
|
||
Elf32_Internal_Shdr * section;
|
||
unsigned char * start;
|
||
FILE * file ATTRIBUTE_UNUSED;
|
||
{
|
||
unsigned char * end = start + section->sh_size;
|
||
unsigned char * section_start = start;
|
||
Frame_Chunk * chunks = 0;
|
||
Frame_Chunk * remembered_state = 0;
|
||
Frame_Chunk * rs;
|
||
int is_eh = (strcmp (SECTION_NAME (section), ".eh_frame") == 0);
|
||
int length_return;
|
||
int max_regs = 0;
|
||
int addr_size = is_32bit_elf ? 4 : 8;
|
||
|
||
printf (_("The section %s contains:\n"), SECTION_NAME (section));
|
||
|
||
while (start < end)
|
||
{
|
||
unsigned char * saved_start;
|
||
unsigned char * block_end;
|
||
unsigned long length;
|
||
unsigned long cie_id;
|
||
Frame_Chunk * fc;
|
||
Frame_Chunk * cie;
|
||
int need_col_headers = 1;
|
||
unsigned char * augmentation_data = NULL;
|
||
unsigned long augmentation_data_len = 0;
|
||
int encoded_ptr_size = addr_size;
|
||
|
||
saved_start = start;
|
||
length = byte_get (start, 4); start += 4;
|
||
|
||
if (length == 0)
|
||
return 1;
|
||
|
||
if (length == 0xffffffff)
|
||
{
|
||
warn (_("64-bit DWARF format frames are not supported yet.\n"));
|
||
break;
|
||
}
|
||
|
||
block_end = saved_start + length + 4;
|
||
cie_id = byte_get (start, 4); start += 4;
|
||
|
||
if (is_eh ? (cie_id == 0) : (cie_id == DW_CIE_ID))
|
||
{
|
||
int version;
|
||
|
||
fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
|
||
memset (fc, 0, sizeof (Frame_Chunk));
|
||
|
||
fc->next = chunks;
|
||
chunks = fc;
|
||
fc->chunk_start = saved_start;
|
||
fc->ncols = 0;
|
||
fc->col_type = (short int *) xmalloc (sizeof (short int));
|
||
fc->col_offset = (int *) xmalloc (sizeof (int));
|
||
frame_need_space (fc, max_regs-1);
|
||
|
||
version = *start++;
|
||
|
||
fc->augmentation = start;
|
||
start = strchr (start, '\0') + 1;
|
||
|
||
if (fc->augmentation[0] == 'z')
|
||
{
|
||
fc->code_factor = LEB ();
|
||
fc->data_factor = SLEB ();
|
||
fc->ra = byte_get (start, 1); start += 1;
|
||
augmentation_data_len = LEB ();
|
||
augmentation_data = start;
|
||
start += augmentation_data_len;
|
||
}
|
||
else if (strcmp (fc->augmentation, "eh") == 0)
|
||
{
|
||
start += addr_size;
|
||
fc->code_factor = LEB ();
|
||
fc->data_factor = SLEB ();
|
||
fc->ra = byte_get (start, 1); start += 1;
|
||
}
|
||
else
|
||
{
|
||
fc->code_factor = LEB ();
|
||
fc->data_factor = SLEB ();
|
||
fc->ra = byte_get (start, 1); start += 1;
|
||
}
|
||
cie = fc;
|
||
|
||
if (do_debug_frames_interp)
|
||
printf ("\n%08lx %08lx %08lx CIE \"%s\" cf=%d df=%d ra=%d\n",
|
||
(unsigned long)(saved_start - section_start), length, cie_id,
|
||
fc->augmentation, fc->code_factor, fc->data_factor,
|
||
fc->ra);
|
||
else
|
||
{
|
||
printf ("\n%08lx %08lx %08lx CIE\n",
|
||
(unsigned long)(saved_start - section_start), length, cie_id);
|
||
printf (" Version: %d\n", version);
|
||
printf (" Augmentation: \"%s\"\n", fc->augmentation);
|
||
printf (" Code alignment factor: %u\n", fc->code_factor);
|
||
printf (" Data alignment factor: %d\n", fc->data_factor);
|
||
printf (" Return address column: %d\n", fc->ra);
|
||
|
||
if (augmentation_data_len)
|
||
{
|
||
unsigned long i;
|
||
printf (" Augmentation data: ");
|
||
for (i = 0; i < augmentation_data_len; ++i)
|
||
printf (" %02x", augmentation_data[i]);
|
||
putchar ('\n');
|
||
}
|
||
putchar ('\n');
|
||
}
|
||
|
||
if (augmentation_data_len)
|
||
{
|
||
unsigned char *p, *q;
|
||
p = fc->augmentation + 1;
|
||
q = augmentation_data;
|
||
|
||
while (1)
|
||
{
|
||
if (*p == 'L')
|
||
q++;
|
||
else if (*p == 'P')
|
||
q += 1 + size_of_encoded_value (*q);
|
||
else if (*p == 'R')
|
||
fc->fde_encoding = *q++;
|
||
else
|
||
break;
|
||
p++;
|
||
}
|
||
|
||
if (fc->fde_encoding)
|
||
encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
|
||
}
|
||
|
||
frame_need_space (fc, fc->ra);
|
||
}
|
||
else
|
||
{
|
||
unsigned char * look_for;
|
||
static Frame_Chunk fde_fc;
|
||
|
||
fc = & fde_fc;
|
||
memset (fc, 0, sizeof (Frame_Chunk));
|
||
|
||
look_for = is_eh ? start - 4 - cie_id : section_start + cie_id;
|
||
|
||
for (cie = chunks; cie ; cie = cie->next)
|
||
if (cie->chunk_start == look_for)
|
||
break;
|
||
|
||
if (!cie)
|
||
{
|
||
warn ("Invalid CIE pointer %08lx in FDE at %08lx\n",
|
||
cie_id, saved_start);
|
||
start = block_end;
|
||
fc->ncols = 0;
|
||
fc->col_type = (short int *) xmalloc (sizeof (short int));
|
||
fc->col_offset = (int *) xmalloc (sizeof (int));
|
||
frame_need_space (fc, max_regs - 1);
|
||
cie = fc;
|
||
fc->augmentation = "";
|
||
fc->fde_encoding = 0;
|
||
}
|
||
else
|
||
{
|
||
fc->ncols = cie->ncols;
|
||
fc->col_type = (short int *) xmalloc (fc->ncols * sizeof (short int));
|
||
fc->col_offset = (int *) xmalloc (fc->ncols * sizeof (int));
|
||
memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int));
|
||
memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int));
|
||
fc->augmentation = cie->augmentation;
|
||
fc->code_factor = cie->code_factor;
|
||
fc->data_factor = cie->data_factor;
|
||
fc->cfa_reg = cie->cfa_reg;
|
||
fc->cfa_offset = cie->cfa_offset;
|
||
fc->ra = cie->ra;
|
||
frame_need_space (fc, max_regs-1);
|
||
fc->fde_encoding = cie->fde_encoding;
|
||
}
|
||
|
||
if (fc->fde_encoding)
|
||
encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
|
||
|
||
fc->pc_begin = byte_get (start, encoded_ptr_size);
|
||
start += encoded_ptr_size;
|
||
fc->pc_range = byte_get (start, encoded_ptr_size);
|
||
start += encoded_ptr_size;
|
||
|
||
if (cie->augmentation[0] == 'z')
|
||
{
|
||
augmentation_data_len = LEB ();
|
||
augmentation_data = start;
|
||
start += augmentation_data_len;
|
||
}
|
||
|
||
printf ("\n%08lx %08lx %08lx FDE cie=%08lx pc=%08lx..%08lx\n",
|
||
(unsigned long)(saved_start - section_start), length, cie_id,
|
||
(unsigned long)(cie->chunk_start - section_start),
|
||
fc->pc_begin, fc->pc_begin + fc->pc_range);
|
||
if (! do_debug_frames_interp && augmentation_data_len)
|
||
{
|
||
unsigned long i;
|
||
printf (" Augmentation data: ");
|
||
for (i = 0; i < augmentation_data_len; ++i)
|
||
printf (" %02x", augmentation_data[i]);
|
||
putchar ('\n');
|
||
putchar ('\n');
|
||
}
|
||
}
|
||
|
||
/* At this point, fc is the current chunk, cie (if any) is set, and we're
|
||
about to interpret instructions for the chunk. */
|
||
|
||
if (do_debug_frames_interp)
|
||
{
|
||
/* Start by making a pass over the chunk, allocating storage
|
||
and taking note of what registers are used. */
|
||
unsigned char * tmp = start;
|
||
|
||
while (start < block_end)
|
||
{
|
||
unsigned op, opa;
|
||
unsigned long reg;
|
||
|
||
op = * start ++;
|
||
opa = op & 0x3f;
|
||
if (op & 0xc0)
|
||
op &= 0xc0;
|
||
|
||
/* Warning: if you add any more cases to this switch, be
|
||
sure to add them to the corresponding switch below. */
|
||
switch (op)
|
||
{
|
||
case DW_CFA_advance_loc:
|
||
break;
|
||
case DW_CFA_offset:
|
||
LEB ();
|
||
frame_need_space (fc, opa);
|
||
fc->col_type[opa] = DW_CFA_undefined;
|
||
break;
|
||
case DW_CFA_restore:
|
||
frame_need_space (fc, opa);
|
||
fc->col_type[opa] = DW_CFA_undefined;
|
||
break;
|
||
case DW_CFA_set_loc:
|
||
start += encoded_ptr_size;
|
||
break;
|
||
case DW_CFA_advance_loc1:
|
||
start += 1;
|
||
break;
|
||
case DW_CFA_advance_loc2:
|
||
start += 2;
|
||
break;
|
||
case DW_CFA_advance_loc4:
|
||
start += 4;
|
||
break;
|
||
case DW_CFA_offset_extended:
|
||
reg = LEB (); LEB ();
|
||
frame_need_space (fc, reg);
|
||
fc->col_type[reg] = DW_CFA_undefined;
|
||
break;
|
||
case DW_CFA_restore_extended:
|
||
reg = LEB ();
|
||
frame_need_space (fc, reg);
|
||
fc->col_type[reg] = DW_CFA_undefined;
|
||
break;
|
||
case DW_CFA_undefined:
|
||
reg = LEB ();
|
||
frame_need_space (fc, reg);
|
||
fc->col_type[reg] = DW_CFA_undefined;
|
||
break;
|
||
case DW_CFA_same_value:
|
||
reg = LEB ();
|
||
frame_need_space (fc, reg);
|
||
fc->col_type[reg] = DW_CFA_undefined;
|
||
break;
|
||
case DW_CFA_register:
|
||
reg = LEB (); LEB ();
|
||
frame_need_space (fc, reg);
|
||
fc->col_type[reg] = DW_CFA_undefined;
|
||
break;
|
||
case DW_CFA_def_cfa:
|
||
LEB (); LEB ();
|
||
break;
|
||
case DW_CFA_def_cfa_register:
|
||
LEB ();
|
||
break;
|
||
case DW_CFA_def_cfa_offset:
|
||
LEB ();
|
||
break;
|
||
#ifndef DW_CFA_GNU_args_size
|
||
#define DW_CFA_GNU_args_size 0x2e
|
||
#endif
|
||
case DW_CFA_GNU_args_size:
|
||
LEB ();
|
||
break;
|
||
#ifndef DW_CFA_GNU_negative_offset_extended
|
||
#define DW_CFA_GNU_negative_offset_extended 0x2f
|
||
#endif
|
||
case DW_CFA_GNU_negative_offset_extended:
|
||
reg = LEB (); LEB ();
|
||
frame_need_space (fc, reg);
|
||
fc->col_type[reg] = DW_CFA_undefined;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
start = tmp;
|
||
}
|
||
|
||
/* Now we know what registers are used, make a second pass over
|
||
the chunk, this time actually printing out the info. */
|
||
|
||
while (start < block_end)
|
||
{
|
||
unsigned op, opa;
|
||
unsigned long ul, reg, roffs;
|
||
long l, ofs;
|
||
bfd_vma vma;
|
||
|
||
op = * start ++;
|
||
opa = op & 0x3f;
|
||
if (op & 0xc0)
|
||
op &= 0xc0;
|
||
|
||
/* Warning: if you add any more cases to this switch, be
|
||
sure to add them to the corresponding switch above. */
|
||
switch (op)
|
||
{
|
||
case DW_CFA_advance_loc:
|
||
if (do_debug_frames_interp)
|
||
frame_display_row (fc, &need_col_headers, &max_regs);
|
||
else
|
||
printf (" DW_CFA_advance_loc: %d to %08lx\n",
|
||
opa * fc->code_factor,
|
||
fc->pc_begin + opa * fc->code_factor);
|
||
fc->pc_begin += opa * fc->code_factor;
|
||
break;
|
||
|
||
case DW_CFA_offset:
|
||
roffs = LEB ();
|
||
if (! do_debug_frames_interp)
|
||
printf (" DW_CFA_offset: r%d at cfa%+ld\n",
|
||
opa, roffs * fc->data_factor);
|
||
fc->col_type[opa] = DW_CFA_offset;
|
||
fc->col_offset[opa] = roffs * fc->data_factor;
|
||
break;
|
||
|
||
case DW_CFA_restore:
|
||
if (! do_debug_frames_interp)
|
||
printf (" DW_CFA_restore: r%d\n", opa);
|
||
fc->col_type[opa] = cie->col_type[opa];
|
||
fc->col_offset[opa] = cie->col_offset[opa];
|
||
break;
|
||
|
||
case DW_CFA_set_loc:
|
||
vma = byte_get (start, encoded_ptr_size);
|
||
start += encoded_ptr_size;
|
||
if (do_debug_frames_interp)
|
||
frame_display_row (fc, &need_col_headers, &max_regs);
|
||
else
|
||
printf (" DW_CFA_set_loc: %08lx\n", (unsigned long)vma);
|
||
fc->pc_begin = vma;
|
||
break;
|
||
|
||
case DW_CFA_advance_loc1:
|
||
ofs = byte_get (start, 1); start += 1;
|
||
if (do_debug_frames_interp)
|
||
frame_display_row (fc, &need_col_headers, &max_regs);
|
||
else
|
||
printf (" DW_CFA_advance_loc1: %ld to %08lx\n",
|
||
ofs * fc->code_factor,
|
||
fc->pc_begin + ofs * fc->code_factor);
|
||
fc->pc_begin += ofs * fc->code_factor;
|
||
break;
|
||
|
||
case DW_CFA_advance_loc2:
|
||
ofs = byte_get (start, 2); start += 2;
|
||
if (do_debug_frames_interp)
|
||
frame_display_row (fc, &need_col_headers, &max_regs);
|
||
else
|
||
printf (" DW_CFA_advance_loc2: %ld to %08lx\n",
|
||
ofs * fc->code_factor,
|
||
fc->pc_begin + ofs * fc->code_factor);
|
||
fc->pc_begin += ofs * fc->code_factor;
|
||
break;
|
||
|
||
case DW_CFA_advance_loc4:
|
||
ofs = byte_get (start, 4); start += 4;
|
||
if (do_debug_frames_interp)
|
||
frame_display_row (fc, &need_col_headers, &max_regs);
|
||
else
|
||
printf (" DW_CFA_advance_loc4: %ld to %08lx\n",
|
||
ofs * fc->code_factor,
|
||
fc->pc_begin + ofs * fc->code_factor);
|
||
fc->pc_begin += ofs * fc->code_factor;
|
||
break;
|
||
|
||
case DW_CFA_offset_extended:
|
||
reg = LEB ();
|
||
roffs = LEB ();
|
||
if (! do_debug_frames_interp)
|
||
printf (" DW_CFA_offset_extended: r%ld at cfa%+ld\n",
|
||
reg, roffs * fc->data_factor);
|
||
fc->col_type[reg] = DW_CFA_offset;
|
||
fc->col_offset[reg] = roffs * fc->data_factor;
|
||
break;
|
||
|
||
case DW_CFA_restore_extended:
|
||
reg = LEB ();
|
||
if (! do_debug_frames_interp)
|
||
printf (" DW_CFA_restore_extended: r%ld\n", reg);
|
||
fc->col_type[reg] = cie->col_type[reg];
|
||
fc->col_offset[reg] = cie->col_offset[reg];
|
||
break;
|
||
|
||
case DW_CFA_undefined:
|
||
reg = LEB ();
|
||
if (! do_debug_frames_interp)
|
||
printf (" DW_CFA_undefined: r%ld\n", reg);
|
||
fc->col_type[reg] = DW_CFA_undefined;
|
||
fc->col_offset[reg] = 0;
|
||
break;
|
||
|
||
case DW_CFA_same_value:
|
||
reg = LEB ();
|
||
if (! do_debug_frames_interp)
|
||
printf (" DW_CFA_same_value: r%ld\n", reg);
|
||
fc->col_type[reg] = DW_CFA_same_value;
|
||
fc->col_offset[reg] = 0;
|
||
break;
|
||
|
||
case DW_CFA_register:
|
||
reg = LEB ();
|
||
roffs = LEB ();
|
||
if (! do_debug_frames_interp)
|
||
printf (" DW_CFA_register: r%ld\n", reg);
|
||
fc->col_type[reg] = DW_CFA_register;
|
||
fc->col_offset[reg] = roffs;
|
||
break;
|
||
|
||
case DW_CFA_remember_state:
|
||
if (! do_debug_frames_interp)
|
||
printf (" DW_CFA_remember_state\n");
|
||
rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
|
||
rs->ncols = fc->ncols;
|
||
rs->col_type = (short int *) xmalloc (rs->ncols * sizeof (short int));
|
||
rs->col_offset = (int *) xmalloc (rs->ncols * sizeof (int));
|
||
memcpy (rs->col_type, fc->col_type, rs->ncols);
|
||
memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (int));
|
||
rs->next = remembered_state;
|
||
remembered_state = rs;
|
||
break;
|
||
|
||
case DW_CFA_restore_state:
|
||
if (! do_debug_frames_interp)
|
||
printf (" DW_CFA_restore_state\n");
|
||
rs = remembered_state;
|
||
remembered_state = rs->next;
|
||
frame_need_space (fc, rs->ncols-1);
|
||
memcpy (fc->col_type, rs->col_type, rs->ncols);
|
||
memcpy (fc->col_offset, rs->col_offset, rs->ncols * sizeof (int));
|
||
free (rs->col_type);
|
||
free (rs->col_offset);
|
||
free (rs);
|
||
break;
|
||
|
||
case DW_CFA_def_cfa:
|
||
fc->cfa_reg = LEB ();
|
||
fc->cfa_offset = LEB ();
|
||
if (! do_debug_frames_interp)
|
||
printf (" DW_CFA_def_cfa: r%d ofs %d\n",
|
||
fc->cfa_reg, fc->cfa_offset);
|
||
break;
|
||
|
||
case DW_CFA_def_cfa_register:
|
||
fc->cfa_reg = LEB ();
|
||
if (! do_debug_frames_interp)
|
||
printf (" DW_CFA_def_cfa_reg: r%d\n", fc->cfa_reg);
|
||
break;
|
||
|
||
case DW_CFA_def_cfa_offset:
|
||
fc->cfa_offset = LEB ();
|
||
if (! do_debug_frames_interp)
|
||
printf (" DW_CFA_def_cfa_offset: %d\n", fc->cfa_offset);
|
||
break;
|
||
|
||
case DW_CFA_nop:
|
||
if (! do_debug_frames_interp)
|
||
printf (" DW_CFA_nop\n");
|
||
break;
|
||
|
||
#ifndef DW_CFA_GNU_window_save
|
||
#define DW_CFA_GNU_window_save 0x2d
|
||
#endif
|
||
case DW_CFA_GNU_window_save:
|
||
if (! do_debug_frames_interp)
|
||
printf (" DW_CFA_GNU_window_save\n");
|
||
break;
|
||
|
||
case DW_CFA_GNU_args_size:
|
||
ul = LEB ();
|
||
if (! do_debug_frames_interp)
|
||
printf (" DW_CFA_GNU_args_size: %ld\n", ul);
|
||
break;
|
||
|
||
case DW_CFA_GNU_negative_offset_extended:
|
||
reg = LEB ();
|
||
l = - LEB ();
|
||
frame_need_space (fc, reg);
|
||
if (! do_debug_frames_interp)
|
||
printf (" DW_CFA_GNU_negative_offset_extended: r%ld at cfa%+ld\n",
|
||
reg, l * fc->data_factor);
|
||
fc->col_type[reg] = DW_CFA_offset;
|
||
fc->col_offset[reg] = l * fc->data_factor;
|
||
break;
|
||
|
||
default:
|
||
fprintf (stderr, "unsupported or unknown DW_CFA_%d\n", op);
|
||
start = block_end;
|
||
}
|
||
}
|
||
|
||
if (do_debug_frames_interp)
|
||
frame_display_row (fc, &need_col_headers, &max_regs);
|
||
|
||
start = block_end;
|
||
}
|
||
|
||
printf ("\n");
|
||
|
||
return 1;
|
||
}
|
||
|
||
#undef GET
|
||
#undef LEB
|
||
#undef SLEB
|
||
|
||
static int
|
||
display_debug_not_supported (section, start, file)
|
||
Elf32_Internal_Shdr * section;
|
||
unsigned char * start ATTRIBUTE_UNUSED;
|
||
FILE * file ATTRIBUTE_UNUSED;
|
||
{
|
||
printf (_("Displaying the debug contents of section %s is not yet supported.\n"),
|
||
SECTION_NAME (section));
|
||
|
||
return 1;
|
||
}
|
||
|
||
/* Pre-scan the .debug_info section to record the size of address.
|
||
When dumping the .debug_line, we use that size information, assuming
|
||
that all compilation units have the same address size. */
|
||
static int
|
||
prescan_debug_info (section, start, file)
|
||
Elf32_Internal_Shdr * section ATTRIBUTE_UNUSED;
|
||
unsigned char * start;
|
||
FILE * file ATTRIBUTE_UNUSED;
|
||
{
|
||
DWARF2_External_CompUnit * external;
|
||
|
||
external = (DWARF2_External_CompUnit *) start;
|
||
|
||
debug_line_pointer_size = BYTE_GET (external->cu_pointer_size);
|
||
return 0;
|
||
}
|
||
|
||
/* A structure containing the name of a debug section and a pointer
|
||
to a function that can decode it. The third field is a prescan
|
||
function to be run over the section before displaying any of the
|
||
sections. */
|
||
struct
|
||
{
|
||
const char * const name;
|
||
int (* display) PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
|
||
int (* prescan) PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
|
||
}
|
||
debug_displays[] =
|
||
{
|
||
{ ".debug_abbrev", display_debug_abbrev, NULL },
|
||
{ ".debug_aranges", display_debug_aranges, NULL },
|
||
{ ".debug_frame", display_debug_frames, NULL },
|
||
{ ".debug_info", display_debug_info, prescan_debug_info },
|
||
{ ".debug_line", display_debug_lines, NULL },
|
||
{ ".debug_pubnames", display_debug_pubnames, NULL },
|
||
{ ".eh_frame", display_debug_frames, NULL },
|
||
{ ".debug_macinfo", display_debug_macinfo, NULL },
|
||
{ ".debug_str", display_debug_str, NULL },
|
||
|
||
{ ".debug_pubtypes", display_debug_not_supported, NULL },
|
||
{ ".debug_ranges", display_debug_not_supported, NULL },
|
||
{ ".debug_static_func", display_debug_not_supported, NULL },
|
||
{ ".debug_static_vars", display_debug_not_supported, NULL },
|
||
{ ".debug_types", display_debug_not_supported, NULL },
|
||
{ ".debug_weaknames", display_debug_not_supported, NULL }
|
||
};
|
||
|
||
static int
|
||
display_debug_section (section, file)
|
||
Elf32_Internal_Shdr * section;
|
||
FILE * file;
|
||
{
|
||
char * name = SECTION_NAME (section);
|
||
bfd_size_type length;
|
||
unsigned char * start;
|
||
int i;
|
||
|
||
length = section->sh_size;
|
||
if (length == 0)
|
||
{
|
||
printf (_("\nSection '%s' has no debugging data.\n"), name);
|
||
return 0;
|
||
}
|
||
|
||
start = (unsigned char *) get_data (NULL, file, section->sh_offset, length,
|
||
_("debug section data"));
|
||
if (!start)
|
||
return 0;
|
||
|
||
/* See if we know how to display the contents of this section. */
|
||
if (strncmp (name, ".gnu.linkonce.wi.", 17) == 0)
|
||
name = ".debug_info";
|
||
|
||
for (i = NUM_ELEM (debug_displays); i--;)
|
||
if (strcmp (debug_displays[i].name, name) == 0)
|
||
{
|
||
debug_displays[i].display (section, start, file);
|
||
break;
|
||
}
|
||
|
||
if (i == -1)
|
||
printf (_("Unrecognised debug section: %s\n"), name);
|
||
|
||
free (start);
|
||
|
||
/* If we loaded in the abbrev section at some point,
|
||
we must release it here. */
|
||
free_abbrevs ();
|
||
|
||
return 1;
|
||
}
|
||
|
||
static int
|
||
process_section_contents (file)
|
||
FILE * file;
|
||
{
|
||
Elf32_Internal_Shdr * section;
|
||
unsigned int i;
|
||
|
||
if (! do_dump)
|
||
return 1;
|
||
|
||
/* Pre-scan the debug sections to find some debug information not
|
||
present in some of them. For the .debug_line, we must find out the
|
||
size of address (specified in .debug_info and .debug_aranges). */
|
||
for (i = 0, section = section_headers;
|
||
i < elf_header.e_shnum && i < num_dump_sects;
|
||
i ++, section ++)
|
||
{
|
||
char * name = SECTION_NAME (section);
|
||
int j;
|
||
|
||
if (section->sh_size == 0)
|
||
continue;
|
||
|
||
/* See if there is some pre-scan operation for this section. */
|
||
for (j = NUM_ELEM (debug_displays); j--;)
|
||
if (strcmp (debug_displays[j].name, name) == 0)
|
||
{
|
||
if (debug_displays[j].prescan != NULL)
|
||
{
|
||
bfd_size_type length;
|
||
unsigned char * start;
|
||
|
||
length = section->sh_size;
|
||
start = ((unsigned char *)
|
||
get_data (NULL, file, section->sh_offset, length,
|
||
_("debug section data")));
|
||
if (!start)
|
||
return 0;
|
||
|
||
debug_displays[j].prescan (section, start, file);
|
||
free (start);
|
||
}
|
||
|
||
break;
|
||
}
|
||
}
|
||
|
||
for (i = 0, section = section_headers;
|
||
i < elf_header.e_shnum && i < num_dump_sects;
|
||
i ++, section ++)
|
||
{
|
||
#ifdef SUPPORT_DISASSEMBLY
|
||
if (dump_sects[i] & DISASS_DUMP)
|
||
disassemble_section (section, file);
|
||
#endif
|
||
if (dump_sects[i] & HEX_DUMP)
|
||
dump_section (section, file);
|
||
|
||
if (dump_sects[i] & DEBUG_DUMP)
|
||
display_debug_section (section, file);
|
||
}
|
||
|
||
if (i < num_dump_sects)
|
||
warn (_("Some sections were not dumped because they do not exist!\n"));
|
||
|
||
return 1;
|
||
}
|
||
|
||
static void
|
||
process_mips_fpe_exception (mask)
|
||
int mask;
|
||
{
|
||
if (mask)
|
||
{
|
||
int first = 1;
|
||
if (mask & OEX_FPU_INEX)
|
||
fputs ("INEX", stdout), first = 0;
|
||
if (mask & OEX_FPU_UFLO)
|
||
printf ("%sUFLO", first ? "" : "|"), first = 0;
|
||
if (mask & OEX_FPU_OFLO)
|
||
printf ("%sOFLO", first ? "" : "|"), first = 0;
|
||
if (mask & OEX_FPU_DIV0)
|
||
printf ("%sDIV0", first ? "" : "|"), first = 0;
|
||
if (mask & OEX_FPU_INVAL)
|
||
printf ("%sINVAL", first ? "" : "|");
|
||
}
|
||
else
|
||
fputs ("0", stdout);
|
||
}
|
||
|
||
static int
|
||
process_mips_specific (file)
|
||
FILE * file;
|
||
{
|
||
Elf_Internal_Dyn * entry;
|
||
size_t liblist_offset = 0;
|
||
size_t liblistno = 0;
|
||
size_t conflictsno = 0;
|
||
size_t options_offset = 0;
|
||
size_t conflicts_offset = 0;
|
||
|
||
/* We have a lot of special sections. Thanks SGI! */
|
||
if (dynamic_segment == NULL)
|
||
/* No information available. */
|
||
return 0;
|
||
|
||
for (entry = dynamic_segment; entry->d_tag != DT_NULL; ++entry)
|
||
switch (entry->d_tag)
|
||
{
|
||
case DT_MIPS_LIBLIST:
|
||
liblist_offset = entry->d_un.d_val - loadaddr;
|
||
break;
|
||
case DT_MIPS_LIBLISTNO:
|
||
liblistno = entry->d_un.d_val;
|
||
break;
|
||
case DT_MIPS_OPTIONS:
|
||
options_offset = entry->d_un.d_val - loadaddr;
|
||
break;
|
||
case DT_MIPS_CONFLICT:
|
||
conflicts_offset = entry->d_un.d_val - loadaddr;
|
||
break;
|
||
case DT_MIPS_CONFLICTNO:
|
||
conflictsno = entry->d_un.d_val;
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
|
||
if (liblist_offset != 0 && liblistno != 0 && do_dynamic)
|
||
{
|
||
Elf32_External_Lib * elib;
|
||
size_t cnt;
|
||
|
||
elib = ((Elf32_External_Lib *)
|
||
get_data (NULL, file, liblist_offset,
|
||
liblistno * sizeof (Elf32_External_Lib),
|
||
_("liblist")));
|
||
if (elib)
|
||
{
|
||
printf ("\nSection '.liblist' contains %lu entries:\n",
|
||
(unsigned long) liblistno);
|
||
fputs (" Library Time Stamp Checksum Version Flags\n",
|
||
stdout);
|
||
|
||
for (cnt = 0; cnt < liblistno; ++cnt)
|
||
{
|
||
Elf32_Lib liblist;
|
||
time_t time;
|
||
char timebuf[20];
|
||
struct tm * tmp;
|
||
|
||
liblist.l_name = BYTE_GET (elib[cnt].l_name);
|
||
time = BYTE_GET (elib[cnt].l_time_stamp);
|
||
liblist.l_checksum = BYTE_GET (elib[cnt].l_checksum);
|
||
liblist.l_version = BYTE_GET (elib[cnt].l_version);
|
||
liblist.l_flags = BYTE_GET (elib[cnt].l_flags);
|
||
|
||
tmp = gmtime (&time);
|
||
sprintf (timebuf, "%04u-%02u-%02uT%02u:%02u:%02u",
|
||
tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
|
||
tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
|
||
|
||
printf ("%3lu: ", (unsigned long) cnt);
|
||
print_symbol (20, dynamic_strings + liblist.l_name);
|
||
printf (" %s %#10lx %-7ld", timebuf, liblist.l_checksum,
|
||
liblist.l_version);
|
||
|
||
if (liblist.l_flags == 0)
|
||
puts (" NONE");
|
||
else
|
||
{
|
||
static const struct
|
||
{
|
||
const char * name;
|
||
int bit;
|
||
}
|
||
l_flags_vals[] =
|
||
{
|
||
{ " EXACT_MATCH", LL_EXACT_MATCH },
|
||
{ " IGNORE_INT_VER", LL_IGNORE_INT_VER },
|
||
{ " REQUIRE_MINOR", LL_REQUIRE_MINOR },
|
||
{ " EXPORTS", LL_EXPORTS },
|
||
{ " DELAY_LOAD", LL_DELAY_LOAD },
|
||
{ " DELTA", LL_DELTA }
|
||
};
|
||
int flags = liblist.l_flags;
|
||
size_t fcnt;
|
||
|
||
for (fcnt = 0;
|
||
fcnt < sizeof (l_flags_vals) / sizeof (l_flags_vals[0]);
|
||
++fcnt)
|
||
if ((flags & l_flags_vals[fcnt].bit) != 0)
|
||
{
|
||
fputs (l_flags_vals[fcnt].name, stdout);
|
||
flags ^= l_flags_vals[fcnt].bit;
|
||
}
|
||
if (flags != 0)
|
||
printf (" %#x", (unsigned int) flags);
|
||
|
||
puts ("");
|
||
}
|
||
}
|
||
|
||
free (elib);
|
||
}
|
||
}
|
||
|
||
if (options_offset != 0)
|
||
{
|
||
Elf_External_Options * eopt;
|
||
Elf_Internal_Shdr * sect = section_headers;
|
||
Elf_Internal_Options * iopt;
|
||
Elf_Internal_Options * option;
|
||
size_t offset;
|
||
int cnt;
|
||
|
||
/* Find the section header so that we get the size. */
|
||
while (sect->sh_type != SHT_MIPS_OPTIONS)
|
||
++ sect;
|
||
|
||
eopt = (Elf_External_Options *) get_data (NULL, file, options_offset,
|
||
sect->sh_size, _("options"));
|
||
if (eopt)
|
||
{
|
||
iopt = ((Elf_Internal_Options *)
|
||
malloc ((sect->sh_size / sizeof (eopt)) * sizeof (* iopt)));
|
||
if (iopt == NULL)
|
||
{
|
||
error (_("Out of memory"));
|
||
return 0;
|
||
}
|
||
|
||
offset = cnt = 0;
|
||
option = iopt;
|
||
|
||
while (offset < sect->sh_size)
|
||
{
|
||
Elf_External_Options * eoption;
|
||
|
||
eoption = (Elf_External_Options *) ((char *) eopt + offset);
|
||
|
||
option->kind = BYTE_GET (eoption->kind);
|
||
option->size = BYTE_GET (eoption->size);
|
||
option->section = BYTE_GET (eoption->section);
|
||
option->info = BYTE_GET (eoption->info);
|
||
|
||
offset += option->size;
|
||
|
||
++option;
|
||
++cnt;
|
||
}
|
||
|
||
printf (_("\nSection '%s' contains %d entries:\n"),
|
||
SECTION_NAME (sect), cnt);
|
||
|
||
option = iopt;
|
||
|
||
while (cnt-- > 0)
|
||
{
|
||
size_t len;
|
||
|
||
switch (option->kind)
|
||
{
|
||
case ODK_NULL:
|
||
/* This shouldn't happen. */
|
||
printf (" NULL %d %lx", option->section, option->info);
|
||
break;
|
||
case ODK_REGINFO:
|
||
printf (" REGINFO ");
|
||
if (elf_header.e_machine == EM_MIPS)
|
||
{
|
||
/* 32bit form. */
|
||
Elf32_External_RegInfo * ereg;
|
||
Elf32_RegInfo reginfo;
|
||
|
||
ereg = (Elf32_External_RegInfo *) (option + 1);
|
||
reginfo.ri_gprmask = BYTE_GET (ereg->ri_gprmask);
|
||
reginfo.ri_cprmask[0] = BYTE_GET (ereg->ri_cprmask[0]);
|
||
reginfo.ri_cprmask[1] = BYTE_GET (ereg->ri_cprmask[1]);
|
||
reginfo.ri_cprmask[2] = BYTE_GET (ereg->ri_cprmask[2]);
|
||
reginfo.ri_cprmask[3] = BYTE_GET (ereg->ri_cprmask[3]);
|
||
reginfo.ri_gp_value = BYTE_GET (ereg->ri_gp_value);
|
||
|
||
printf ("GPR %08lx GP 0x%lx\n",
|
||
reginfo.ri_gprmask,
|
||
(unsigned long) reginfo.ri_gp_value);
|
||
printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n",
|
||
reginfo.ri_cprmask[0], reginfo.ri_cprmask[1],
|
||
reginfo.ri_cprmask[2], reginfo.ri_cprmask[3]);
|
||
}
|
||
else
|
||
{
|
||
/* 64 bit form. */
|
||
Elf64_External_RegInfo * ereg;
|
||
Elf64_Internal_RegInfo reginfo;
|
||
|
||
ereg = (Elf64_External_RegInfo *) (option + 1);
|
||
reginfo.ri_gprmask = BYTE_GET (ereg->ri_gprmask);
|
||
reginfo.ri_cprmask[0] = BYTE_GET (ereg->ri_cprmask[0]);
|
||
reginfo.ri_cprmask[1] = BYTE_GET (ereg->ri_cprmask[1]);
|
||
reginfo.ri_cprmask[2] = BYTE_GET (ereg->ri_cprmask[2]);
|
||
reginfo.ri_cprmask[3] = BYTE_GET (ereg->ri_cprmask[3]);
|
||
reginfo.ri_gp_value = BYTE_GET8 (ereg->ri_gp_value);
|
||
|
||
printf ("GPR %08lx GP 0x",
|
||
reginfo.ri_gprmask);
|
||
printf_vma (reginfo.ri_gp_value);
|
||
printf ("\n");
|
||
|
||
printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n",
|
||
reginfo.ri_cprmask[0], reginfo.ri_cprmask[1],
|
||
reginfo.ri_cprmask[2], reginfo.ri_cprmask[3]);
|
||
}
|
||
++option;
|
||
continue;
|
||
case ODK_EXCEPTIONS:
|
||
fputs (" EXCEPTIONS fpe_min(", stdout);
|
||
process_mips_fpe_exception (option->info & OEX_FPU_MIN);
|
||
fputs (") fpe_max(", stdout);
|
||
process_mips_fpe_exception ((option->info & OEX_FPU_MAX) >> 8);
|
||
fputs (")", stdout);
|
||
|
||
if (option->info & OEX_PAGE0)
|
||
fputs (" PAGE0", stdout);
|
||
if (option->info & OEX_SMM)
|
||
fputs (" SMM", stdout);
|
||
if (option->info & OEX_FPDBUG)
|
||
fputs (" FPDBUG", stdout);
|
||
if (option->info & OEX_DISMISS)
|
||
fputs (" DISMISS", stdout);
|
||
break;
|
||
case ODK_PAD:
|
||
fputs (" PAD ", stdout);
|
||
if (option->info & OPAD_PREFIX)
|
||
fputs (" PREFIX", stdout);
|
||
if (option->info & OPAD_POSTFIX)
|
||
fputs (" POSTFIX", stdout);
|
||
if (option->info & OPAD_SYMBOL)
|
||
fputs (" SYMBOL", stdout);
|
||
break;
|
||
case ODK_HWPATCH:
|
||
fputs (" HWPATCH ", stdout);
|
||
if (option->info & OHW_R4KEOP)
|
||
fputs (" R4KEOP", stdout);
|
||
if (option->info & OHW_R8KPFETCH)
|
||
fputs (" R8KPFETCH", stdout);
|
||
if (option->info & OHW_R5KEOP)
|
||
fputs (" R5KEOP", stdout);
|
||
if (option->info & OHW_R5KCVTL)
|
||
fputs (" R5KCVTL", stdout);
|
||
break;
|
||
case ODK_FILL:
|
||
fputs (" FILL ", stdout);
|
||
/* XXX Print content of info word? */
|
||
break;
|
||
case ODK_TAGS:
|
||
fputs (" TAGS ", stdout);
|
||
/* XXX Print content of info word? */
|
||
break;
|
||
case ODK_HWAND:
|
||
fputs (" HWAND ", stdout);
|
||
if (option->info & OHWA0_R4KEOP_CHECKED)
|
||
fputs (" R4KEOP_CHECKED", stdout);
|
||
if (option->info & OHWA0_R4KEOP_CLEAN)
|
||
fputs (" R4KEOP_CLEAN", stdout);
|
||
break;
|
||
case ODK_HWOR:
|
||
fputs (" HWOR ", stdout);
|
||
if (option->info & OHWA0_R4KEOP_CHECKED)
|
||
fputs (" R4KEOP_CHECKED", stdout);
|
||
if (option->info & OHWA0_R4KEOP_CLEAN)
|
||
fputs (" R4KEOP_CLEAN", stdout);
|
||
break;
|
||
case ODK_GP_GROUP:
|
||
printf (" GP_GROUP %#06lx self-contained %#06lx",
|
||
option->info & OGP_GROUP,
|
||
(option->info & OGP_SELF) >> 16);
|
||
break;
|
||
case ODK_IDENT:
|
||
printf (" IDENT %#06lx self-contained %#06lx",
|
||
option->info & OGP_GROUP,
|
||
(option->info & OGP_SELF) >> 16);
|
||
break;
|
||
default:
|
||
/* This shouldn't happen. */
|
||
printf (" %3d ??? %d %lx",
|
||
option->kind, option->section, option->info);
|
||
break;
|
||
}
|
||
|
||
len = sizeof (* eopt);
|
||
while (len < option->size)
|
||
if (((char *) option)[len] >= ' '
|
||
&& ((char *) option)[len] < 0x7f)
|
||
printf ("%c", ((char *) option)[len++]);
|
||
else
|
||
printf ("\\%03o", ((char *) option)[len++]);
|
||
|
||
fputs ("\n", stdout);
|
||
++option;
|
||
}
|
||
|
||
free (eopt);
|
||
}
|
||
}
|
||
|
||
if (conflicts_offset != 0 && conflictsno != 0)
|
||
{
|
||
Elf32_Conflict * iconf;
|
||
size_t cnt;
|
||
|
||
if (dynamic_symbols == NULL)
|
||
{
|
||
error (_("conflict list with without table"));
|
||
return 0;
|
||
}
|
||
|
||
iconf = (Elf32_Conflict *) malloc (conflictsno * sizeof (* iconf));
|
||
if (iconf == NULL)
|
||
{
|
||
error (_("Out of memory"));
|
||
return 0;
|
||
}
|
||
|
||
if (is_32bit_elf)
|
||
{
|
||
Elf32_External_Conflict * econf32;
|
||
|
||
econf32 = ((Elf32_External_Conflict *)
|
||
get_data (NULL, file, conflicts_offset,
|
||
conflictsno * sizeof (* econf32),
|
||
_("conflict")));
|
||
if (!econf32)
|
||
return 0;
|
||
|
||
for (cnt = 0; cnt < conflictsno; ++cnt)
|
||
iconf[cnt] = BYTE_GET (econf32[cnt]);
|
||
|
||
free (econf32);
|
||
}
|
||
else
|
||
{
|
||
Elf64_External_Conflict * econf64;
|
||
|
||
econf64 = ((Elf64_External_Conflict *)
|
||
get_data (NULL, file, conflicts_offset,
|
||
conflictsno * sizeof (* econf64),
|
||
_("conflict")));
|
||
if (!econf64)
|
||
return 0;
|
||
|
||
for (cnt = 0; cnt < conflictsno; ++cnt)
|
||
iconf[cnt] = BYTE_GET (econf64[cnt]);
|
||
|
||
free (econf64);
|
||
}
|
||
|
||
printf (_("\nSection '.conflict' contains %ld entries:\n"),
|
||
(long) conflictsno);
|
||
puts (_(" Num: Index Value Name"));
|
||
|
||
for (cnt = 0; cnt < conflictsno; ++cnt)
|
||
{
|
||
Elf_Internal_Sym * psym = & dynamic_symbols [iconf [cnt]];
|
||
|
||
printf ("%5lu: %8lu ", (unsigned long) cnt, iconf [cnt]);
|
||
print_vma (psym->st_value, FULL_HEX);
|
||
putchar (' ');
|
||
print_symbol (25, dynamic_strings + psym->st_name);
|
||
putchar ('\n');
|
||
}
|
||
|
||
free (iconf);
|
||
}
|
||
|
||
return 1;
|
||
}
|
||
|
||
static const char *
|
||
get_note_type (e_type)
|
||
unsigned e_type;
|
||
{
|
||
static char buff[64];
|
||
|
||
switch (e_type)
|
||
{
|
||
case NT_PRSTATUS: return _("NT_PRSTATUS (prstatus structure)");
|
||
case NT_FPREGSET: return _("NT_FPREGSET (floating point registers)");
|
||
case NT_PRPSINFO: return _("NT_PRPSINFO (prpsinfo structure)");
|
||
case NT_TASKSTRUCT: return _("NT_TASKSTRUCT (task structure)");
|
||
case NT_PRXFPREG: return _("NT_PRXFPREG (user_xfpregs structure)");
|
||
case NT_PSTATUS: return _("NT_PSTATUS (pstatus structure)");
|
||
case NT_FPREGS: return _("NT_FPREGS (floating point registers)");
|
||
case NT_PSINFO: return _("NT_PSINFO (psinfo structure)");
|
||
case NT_LWPSTATUS: return _("NT_LWPSTATUS (lwpstatus_t structure)");
|
||
case NT_LWPSINFO: return _("NT_LWPSINFO (lwpsinfo_t structure)");
|
||
case NT_WIN32PSTATUS: return _("NT_WIN32PSTATUS (win32_pstatus strcuture)");
|
||
default:
|
||
sprintf (buff, _("Unknown note type: (0x%08x)"), e_type);
|
||
return buff;
|
||
}
|
||
}
|
||
|
||
static const char *
|
||
get_netbsd_elfcore_note_type (e_type)
|
||
unsigned e_type;
|
||
{
|
||
static char buff[64];
|
||
|
||
if (e_type == NT_NETBSDCORE_PROCINFO)
|
||
{
|
||
/* NetBSD core "procinfo" structure. */
|
||
return _("NetBSD procinfo structure");
|
||
}
|
||
|
||
/* As of Jan 2002 there are no other machine-independent notes
|
||
defined for NetBSD core files. If the note type is less
|
||
than the start of the machine-dependent note types, we don't
|
||
understand it. */
|
||
|
||
if (e_type < NT_NETBSDCORE_FIRSTMACH)
|
||
{
|
||
sprintf (buff, _("Unknown note type: (0x%08x)"), e_type);
|
||
return buff;
|
||
}
|
||
|
||
switch (elf_header.e_machine)
|
||
{
|
||
/* On the Alpha, SPARC (32-bit and 64-bit), PT_GETREGS == mach+0
|
||
and PT_GETFPREGS == mach+2. */
|
||
|
||
case EM_OLD_ALPHA:
|
||
case EM_ALPHA:
|
||
case EM_SPARC:
|
||
case EM_SPARC32PLUS:
|
||
case EM_SPARCV9:
|
||
switch (e_type)
|
||
{
|
||
case NT_NETBSDCORE_FIRSTMACH+0:
|
||
return _("PT_GETREGS (reg structure)");
|
||
case NT_NETBSDCORE_FIRSTMACH+2:
|
||
return _("PT_GETFPREGS (fpreg structure)");
|
||
default:
|
||
break;
|
||
}
|
||
break;
|
||
|
||
/* On all other arch's, PT_GETREGS == mach+1 and
|
||
PT_GETFPREGS == mach+3. */
|
||
default:
|
||
switch (e_type)
|
||
{
|
||
case NT_NETBSDCORE_FIRSTMACH+1:
|
||
return _("PT_GETREGS (reg structure)");
|
||
case NT_NETBSDCORE_FIRSTMACH+3:
|
||
return _("PT_GETFPREGS (fpreg structure)");
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
|
||
sprintf (buff, _("PT_FIRSTMACH+%d"), e_type - NT_NETBSDCORE_FIRSTMACH);
|
||
return buff;
|
||
}
|
||
|
||
/* Note that by the ELF standard, the name field is already null byte
|
||
terminated, and namesz includes the terminating null byte.
|
||
I.E. the value of namesz for the name "FSF" is 4.
|
||
|
||
If the value of namesz is zero, there is no name present. */
|
||
static int
|
||
process_note (pnote)
|
||
Elf32_Internal_Note * pnote;
|
||
{
|
||
const char *nt;
|
||
|
||
if (pnote->namesz == 0)
|
||
{
|
||
/* If there is no note name, then use the default set of
|
||
note type strings. */
|
||
nt = get_note_type (pnote->type);
|
||
}
|
||
else if (strncmp (pnote->namedata, "NetBSD-CORE", 11) == 0)
|
||
{
|
||
/* NetBSD-specific core file notes. */
|
||
nt = get_netbsd_elfcore_note_type (pnote->type);
|
||
}
|
||
else
|
||
{
|
||
/* Don't recognize this note name; just use the default set of
|
||
note type strings. */
|
||
nt = get_note_type (pnote->type);
|
||
}
|
||
|
||
printf (" %s\t\t0x%08lx\t%s\n",
|
||
pnote->namesz ? pnote->namedata : "(NONE)",
|
||
pnote->descsz, nt);
|
||
return 1;
|
||
}
|
||
|
||
|
||
static int
|
||
process_corefile_note_segment (file, offset, length)
|
||
FILE * file;
|
||
bfd_vma offset;
|
||
bfd_vma length;
|
||
{
|
||
Elf_External_Note * pnotes;
|
||
Elf_External_Note * external;
|
||
int res = 1;
|
||
|
||
if (length <= 0)
|
||
return 0;
|
||
|
||
pnotes = (Elf_External_Note *) get_data (NULL, file, offset, length,
|
||
_("notes"));
|
||
if (!pnotes)
|
||
return 0;
|
||
|
||
external = pnotes;
|
||
|
||
printf (_("\nNotes at offset 0x%08lx with length 0x%08lx:\n"),
|
||
(unsigned long) offset, (unsigned long) length);
|
||
printf (_(" Owner\t\tData size\tDescription\n"));
|
||
|
||
while (external < (Elf_External_Note *)((char *) pnotes + length))
|
||
{
|
||
Elf32_Internal_Note inote;
|
||
char * temp = NULL;
|
||
|
||
inote.type = BYTE_GET (external->type);
|
||
inote.namesz = BYTE_GET (external->namesz);
|
||
inote.namedata = external->name;
|
||
inote.descsz = BYTE_GET (external->descsz);
|
||
inote.descdata = inote.namedata + align_power (inote.namesz, 2);
|
||
inote.descpos = offset + (inote.descdata - (char *) pnotes);
|
||
|
||
external = (Elf_External_Note *)(inote.descdata + align_power (inote.descsz, 2));
|
||
|
||
/* Verify that name is null terminated. It appears that at least
|
||
one version of Linux (RedHat 6.0) generates corefiles that don't
|
||
comply with the ELF spec by failing to include the null byte in
|
||
namesz. */
|
||
if (inote.namedata[inote.namesz] != '\0')
|
||
{
|
||
temp = malloc (inote.namesz + 1);
|
||
|
||
if (temp == NULL)
|
||
{
|
||
error (_("Out of memory\n"));
|
||
res = 0;
|
||
break;
|
||
}
|
||
|
||
strncpy (temp, inote.namedata, inote.namesz);
|
||
temp[inote.namesz] = 0;
|
||
|
||
/* warn (_("'%s' NOTE name not properly null terminated\n"), temp); */
|
||
inote.namedata = temp;
|
||
}
|
||
|
||
res &= process_note (& inote);
|
||
|
||
if (temp != NULL)
|
||
{
|
||
free (temp);
|
||
temp = NULL;
|
||
}
|
||
}
|
||
|
||
free (pnotes);
|
||
|
||
return res;
|
||
}
|
||
|
||
static int
|
||
process_corefile_note_segments (file)
|
||
FILE * file;
|
||
{
|
||
Elf_Internal_Phdr * program_headers;
|
||
Elf_Internal_Phdr * segment;
|
||
unsigned int i;
|
||
int res = 1;
|
||
|
||
program_headers = (Elf_Internal_Phdr *) malloc
|
||
(elf_header.e_phnum * sizeof (Elf_Internal_Phdr));
|
||
|
||
if (program_headers == NULL)
|
||
{
|
||
error (_("Out of memory\n"));
|
||
return 0;
|
||
}
|
||
|
||
if (is_32bit_elf)
|
||
i = get_32bit_program_headers (file, program_headers);
|
||
else
|
||
i = get_64bit_program_headers (file, program_headers);
|
||
|
||
if (i == 0)
|
||
{
|
||
free (program_headers);
|
||
return 0;
|
||
}
|
||
|
||
for (i = 0, segment = program_headers;
|
||
i < elf_header.e_phnum;
|
||
i ++, segment ++)
|
||
{
|
||
if (segment->p_type == PT_NOTE)
|
||
res &= process_corefile_note_segment (file,
|
||
(bfd_vma) segment->p_offset,
|
||
(bfd_vma) segment->p_filesz);
|
||
}
|
||
|
||
free (program_headers);
|
||
|
||
return res;
|
||
}
|
||
|
||
static int
|
||
process_corefile_contents (file)
|
||
FILE * file;
|
||
{
|
||
/* If we have not been asked to display the notes then do nothing. */
|
||
if (! do_notes)
|
||
return 1;
|
||
|
||
/* If file is not a core file then exit. */
|
||
if (elf_header.e_type != ET_CORE)
|
||
return 1;
|
||
|
||
/* No program headers means no NOTE segment. */
|
||
if (elf_header.e_phnum == 0)
|
||
{
|
||
printf (_("No note segments present in the core file.\n"));
|
||
return 1;
|
||
}
|
||
|
||
return process_corefile_note_segments (file);
|
||
}
|
||
|
||
static int
|
||
process_arch_specific (file)
|
||
FILE * file;
|
||
{
|
||
if (! do_arch)
|
||
return 1;
|
||
|
||
switch (elf_header.e_machine)
|
||
{
|
||
case EM_MIPS:
|
||
case EM_MIPS_RS3_LE:
|
||
return process_mips_specific (file);
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
return 1;
|
||
}
|
||
|
||
static int
|
||
get_file_header (file)
|
||
FILE * file;
|
||
{
|
||
/* Read in the identity array. */
|
||
if (fread (elf_header.e_ident, EI_NIDENT, 1, file) != 1)
|
||
return 0;
|
||
|
||
/* Determine how to read the rest of the header. */
|
||
switch (elf_header.e_ident [EI_DATA])
|
||
{
|
||
default: /* fall through */
|
||
case ELFDATANONE: /* fall through */
|
||
case ELFDATA2LSB: byte_get = byte_get_little_endian; break;
|
||
case ELFDATA2MSB: byte_get = byte_get_big_endian; break;
|
||
}
|
||
|
||
/* For now we only support 32 bit and 64 bit ELF files. */
|
||
is_32bit_elf = (elf_header.e_ident [EI_CLASS] != ELFCLASS64);
|
||
|
||
/* Read in the rest of the header. */
|
||
if (is_32bit_elf)
|
||
{
|
||
Elf32_External_Ehdr ehdr32;
|
||
|
||
if (fread (ehdr32.e_type, sizeof (ehdr32) - EI_NIDENT, 1, file) != 1)
|
||
return 0;
|
||
|
||
elf_header.e_type = BYTE_GET (ehdr32.e_type);
|
||
elf_header.e_machine = BYTE_GET (ehdr32.e_machine);
|
||
elf_header.e_version = BYTE_GET (ehdr32.e_version);
|
||
elf_header.e_entry = BYTE_GET (ehdr32.e_entry);
|
||
elf_header.e_phoff = BYTE_GET (ehdr32.e_phoff);
|
||
elf_header.e_shoff = BYTE_GET (ehdr32.e_shoff);
|
||
elf_header.e_flags = BYTE_GET (ehdr32.e_flags);
|
||
elf_header.e_ehsize = BYTE_GET (ehdr32.e_ehsize);
|
||
elf_header.e_phentsize = BYTE_GET (ehdr32.e_phentsize);
|
||
elf_header.e_phnum = BYTE_GET (ehdr32.e_phnum);
|
||
elf_header.e_shentsize = BYTE_GET (ehdr32.e_shentsize);
|
||
elf_header.e_shnum = BYTE_GET (ehdr32.e_shnum);
|
||
elf_header.e_shstrndx = BYTE_GET (ehdr32.e_shstrndx);
|
||
}
|
||
else
|
||
{
|
||
Elf64_External_Ehdr ehdr64;
|
||
|
||
/* If we have been compiled with sizeof (bfd_vma) == 4, then
|
||
we will not be able to cope with the 64bit data found in
|
||
64 ELF files. Detect this now and abort before we start
|
||
overwritting things. */
|
||
if (sizeof (bfd_vma) < 8)
|
||
{
|
||
error (_("This instance of readelf has been built without support for a\n\
|
||
64 bit data type and so it cannot read 64 bit ELF files.\n"));
|
||
return 0;
|
||
}
|
||
|
||
if (fread (ehdr64.e_type, sizeof (ehdr64) - EI_NIDENT, 1, file) != 1)
|
||
return 0;
|
||
|
||
elf_header.e_type = BYTE_GET (ehdr64.e_type);
|
||
elf_header.e_machine = BYTE_GET (ehdr64.e_machine);
|
||
elf_header.e_version = BYTE_GET (ehdr64.e_version);
|
||
elf_header.e_entry = BYTE_GET8 (ehdr64.e_entry);
|
||
elf_header.e_phoff = BYTE_GET8 (ehdr64.e_phoff);
|
||
elf_header.e_shoff = BYTE_GET8 (ehdr64.e_shoff);
|
||
elf_header.e_flags = BYTE_GET (ehdr64.e_flags);
|
||
elf_header.e_ehsize = BYTE_GET (ehdr64.e_ehsize);
|
||
elf_header.e_phentsize = BYTE_GET (ehdr64.e_phentsize);
|
||
elf_header.e_phnum = BYTE_GET (ehdr64.e_phnum);
|
||
elf_header.e_shentsize = BYTE_GET (ehdr64.e_shentsize);
|
||
elf_header.e_shnum = BYTE_GET (ehdr64.e_shnum);
|
||
elf_header.e_shstrndx = BYTE_GET (ehdr64.e_shstrndx);
|
||
}
|
||
|
||
/* There may be some extensions in the first section header. Don't
|
||
bomb if we can't read it. */
|
||
if (is_32bit_elf)
|
||
get_32bit_section_headers (file, 1);
|
||
else
|
||
get_64bit_section_headers (file, 1);
|
||
|
||
return 1;
|
||
}
|
||
|
||
static int
|
||
process_file (file_name)
|
||
char * file_name;
|
||
{
|
||
FILE * file;
|
||
struct stat statbuf;
|
||
unsigned int i;
|
||
|
||
if (stat (file_name, & statbuf) < 0)
|
||
{
|
||
error (_("Cannot stat input file %s.\n"), file_name);
|
||
return 1;
|
||
}
|
||
|
||
file = fopen (file_name, "rb");
|
||
if (file == NULL)
|
||
{
|
||
error (_("Input file %s not found.\n"), file_name);
|
||
return 1;
|
||
}
|
||
|
||
if (! get_file_header (file))
|
||
{
|
||
error (_("%s: Failed to read file header\n"), file_name);
|
||
fclose (file);
|
||
return 1;
|
||
}
|
||
|
||
/* Initialise per file variables. */
|
||
for (i = NUM_ELEM (version_info); i--;)
|
||
version_info[i] = 0;
|
||
|
||
for (i = NUM_ELEM (dynamic_info); i--;)
|
||
dynamic_info[i] = 0;
|
||
|
||
/* Process the file. */
|
||
if (show_name)
|
||
printf (_("\nFile: %s\n"), file_name);
|
||
|
||
if (! process_file_header ())
|
||
{
|
||
fclose (file);
|
||
return 1;
|
||
}
|
||
|
||
process_section_headers (file);
|
||
|
||
process_program_headers (file);
|
||
|
||
process_dynamic_segment (file);
|
||
|
||
process_relocs (file);
|
||
|
||
process_unwind (file);
|
||
|
||
process_symbol_table (file);
|
||
|
||
process_syminfo (file);
|
||
|
||
process_version_sections (file);
|
||
|
||
process_section_contents (file);
|
||
|
||
process_corefile_contents (file);
|
||
|
||
process_arch_specific (file);
|
||
|
||
fclose (file);
|
||
|
||
if (section_headers)
|
||
{
|
||
free (section_headers);
|
||
section_headers = NULL;
|
||
}
|
||
|
||
if (string_table)
|
||
{
|
||
free (string_table);
|
||
string_table = NULL;
|
||
string_table_length = 0;
|
||
}
|
||
|
||
if (dynamic_strings)
|
||
{
|
||
free (dynamic_strings);
|
||
dynamic_strings = NULL;
|
||
}
|
||
|
||
if (dynamic_symbols)
|
||
{
|
||
free (dynamic_symbols);
|
||
dynamic_symbols = NULL;
|
||
num_dynamic_syms = 0;
|
||
}
|
||
|
||
if (dynamic_syminfo)
|
||
{
|
||
free (dynamic_syminfo);
|
||
dynamic_syminfo = NULL;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
#ifdef SUPPORT_DISASSEMBLY
|
||
/* Needed by the i386 disassembler. For extra credit, someone could
|
||
fix this so that we insert symbolic addresses here, esp for GOT/PLT
|
||
symbols. */
|
||
|
||
void
|
||
print_address (unsigned int addr, FILE * outfile)
|
||
{
|
||
fprintf (outfile,"0x%8.8x", addr);
|
||
}
|
||
|
||
/* Needed by the i386 disassembler. */
|
||
void
|
||
db_task_printsym (unsigned int addr)
|
||
{
|
||
print_address (addr, stderr);
|
||
}
|
||
#endif
|
||
|
||
int main PARAMS ((int, char **));
|
||
|
||
int
|
||
main (argc, argv)
|
||
int argc;
|
||
char ** argv;
|
||
{
|
||
int err;
|
||
|
||
#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
|
||
setlocale (LC_MESSAGES, "");
|
||
#endif
|
||
#if defined (HAVE_SETLOCALE)
|
||
setlocale (LC_CTYPE, "");
|
||
#endif
|
||
bindtextdomain (PACKAGE, LOCALEDIR);
|
||
textdomain (PACKAGE);
|
||
|
||
parse_args (argc, argv);
|
||
|
||
if (optind < (argc - 1))
|
||
show_name = 1;
|
||
|
||
err = 0;
|
||
while (optind < argc)
|
||
err |= process_file (argv [optind ++]);
|
||
|
||
if (dump_sects != NULL)
|
||
free (dump_sects);
|
||
|
||
return err;
|
||
}
|