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binutils-gdb/binutils/readelf.c
Nick Clifton d8045f234d include/elf 
2009-04-30  Nick Clifton  <nickc@redhat.com>

        * common.h (STT_GNU_IFUNC): Define.

elfcpp
2009-04-30  Nick Clifton  <nickc@redhat.com>

        * (enum STT): Add STT_GNU_IFUNC.

gas
2009-04-30  Nick Clifton  <nickc@redhat.com>

        * config/obj-elf.c (obj_elf_type): Add support for a
        gnu_indirect_function type.
        * config/tc-i386.c (tc_i386_fix_adjustable): Do not adjust fixups
        against indirect function symbols.
        * doc/as.texinfo (.type): Document the support for the
        gnu_indirect_function symbol type.
        * NEWS: Mention the new feature.

gas/testsuite
2009-04-30  Nick Clifton  <nickc@redhat.com>

        * gas/elf/elf.exp: Extend type test to include an ifunc symbol.
        Provide an alternative test for targets which do not support ifunc
        symbols.
        (type.s): Add entry for an ifunc symbol.
        (type.e): Add ifunc entry to expected symbol dump.
        (section2.e-armelf): Add  entry for ifunc symbol.
        (type-noifunc.s): New file.
        (type-noifunc.e): New file.

bfd/
2009-04-30  Nick Clifton  <nickc@redhat.com>

        * elf-bfd.h (struct bfd_elf_section_data): Add indirect_relocs
        section pointer.
        (struct elf_obj_data): Add has_ifunc_symbols boolean.
        * elf.c (swap_out_syms): Convert BSF_GNU_INDIRECT_FUNCTION flags
        into a STT_GNU_IFUNC symbol type.
        (_bfd_elf_is_function_type): Accept STT_GNU_IFUNC as a function
        type.
        (_bfd_elf_set_osabi): Set the osasbi field to ELFOSABI_LINUX if
        the binary contains ifunc symbols.
        * elfcode.h (elf_slurp_symbol_table): Translate the STT_GNU_IFUNC
        symbol type into a BSF_GNU_INDIRECT_FUNCTION flag.
        * elf32-i386.c (is_indirect_function): New function.
        (elf_i386_check_relocs): Create an ifunc output section.
        (allocate_dynrelocs): Create dynamic relocs in the ifunc output
        section if necessary.
        (elf_i386_relocate_section): Emit a reloc against an ifunc symbol
        if necessary.
        (elf_i386_add_symbol_hook): New function. Set the
        has_ifunc_symbols field of the elf_obj_data structure if an ifunc
        symbol is encountered.
        (elf_backend_post_process_headers): Define.
        (elf_backend_add_symbol_hook): Define.
        (elf_i386_post_process_headers): Rename to
        elf_i388_fbsd_post_process_headers.
        * elf64-x86_64.c (IS_X86_64_PCREL_TYPE): New macro.
        (is_indirect_function): New function.
        (elf64_x86_64_check_relocs): Create an ifunc output section.
        (allocate_dynrelocs): Create dynamic relocs in the ifunc output
        section if necessary.
        (elf64_x86_64_relocate_section): Emit a reloc against an ifunc
        symbol if necessary.
        (elf_i386_add_symbol_hook): Set the has_ifunc_symbols field of the
        elf_obj_data structure if an ifunc symbol is encountered.
        (elf_backend_post_process_headers): Define.
        * elflink.c (_bfd_elf_adjust_dynamic_symbol): Always create a PLT
        if we have ifunc symbols to handle.
        (get_ifunc_reloc_section_name): New function.  Computes the name
        for an ifunc section.
        (_bfd_elf_make_ifunc_reloc_section): New function.  Creates a
        section to hold ifunc relocs.
        * syms.c (BSF_GNU_INDIRECT_FUNCTION): Define.
        (bfd_print_symbol_vandf): Handle ifunc symbols.
        (bfd_decode_symclass): Likewise.
        * bfd-in2.h: Regenerate.

binutils
2009-04-30  Nick Clifton  <nickc@redhat.com>

        * readelf.c (dump_relocations): Display a relocation against an
        ifunc symbol as if it were a function invocation.
        (get_symbol_type): Handle STT_GNU_IFUNC.

ld
2009-04-30  Nick Clifton  <nickc@redhat.com>

        * NEWS: Mention support for IFUNC symbols.

ld/testsuite
2009-04-30  Nick Clifton  <nickc@redhat.com>

        * ld-ifunc: New directory.
        * ld-ifunc/ifunc.exp: New file: Run the IFUNC tests.
        * ld-ifunc/prog.c: New file.
        * ld-ifunc/lib.c: New file.
2009-04-30 15:47:13 +00:00

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/* readelf.c -- display contents of an ELF format file
Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
2008, 2009 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 3 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., 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
/* The difference between readelf and objdump:
Both programs are capable of displaying the contents of ELF format files,
so why does the binutils project have two file dumpers ?
The reason is that objdump sees an ELF file through a BFD filter of the
world; if BFD has a bug where, say, it disagrees about a machine constant
in e_flags, then the odds are good that it will remain internally
consistent. The linker sees it the BFD way, objdump sees it the BFD way,
GAS sees it the BFD way. There was need for a tool to go find out what
the file actually says.
This is why the readelf program does not link against the BFD library - it
exists as an independent program to help verify the correct working of BFD.
There is also the case that readelf can provide more information about an
ELF file than is provided by objdump. In particular it can display DWARF
debugging information which (at the moment) objdump cannot. */
#include "config.h"
#include "sysdep.h"
#include <assert.h>
#include <sys/stat.h>
#include <time.h>
#ifdef HAVE_ZLIB_H
#include <zlib.h>
#endif
#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 believe 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 "bucomm.h"
#include "dwarf.h"
#include "elf/common.h"
#include "elf/external.h"
#include "elf/internal.h"
/* Included here, before RELOC_MACROS_GEN_FUNC is defined, so that
we can obtain the H8 reloc numbers. We need these for the
get_reloc_size() function. We include h8.h again after defining
RELOC_MACROS_GEN_FUNC so that we get the naming function as well. */
#include "elf/h8.h"
#undef _ELF_H8_H
/* Undo the effects of #including reloc-macros.h. */
#undef START_RELOC_NUMBERS
#undef RELOC_NUMBER
#undef FAKE_RELOC
#undef EMPTY_RELOC
#undef END_RELOC_NUMBERS
#undef _RELOC_MACROS_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/bfin.h"
#include "elf/cr16.h"
#include "elf/cris.h"
#include "elf/crx.h"
#include "elf/d10v.h"
#include "elf/d30v.h"
#include "elf/dlx.h"
#include "elf/fr30.h"
#include "elf/frv.h"
#include "elf/h8.h"
#include "elf/hppa.h"
#include "elf/i386.h"
#include "elf/i370.h"
#include "elf/i860.h"
#include "elf/i960.h"
#include "elf/ia64.h"
#include "elf/ip2k.h"
#include "elf/lm32.h"
#include "elf/iq2000.h"
#include "elf/m32c.h"
#include "elf/m32r.h"
#include "elf/m68k.h"
#include "elf/m68hc11.h"
#include "elf/mcore.h"
#include "elf/mep.h"
#include "elf/mips.h"
#include "elf/mmix.h"
#include "elf/mn10200.h"
#include "elf/mn10300.h"
#include "elf/mt.h"
#include "elf/msp430.h"
#include "elf/or32.h"
#include "elf/pj.h"
#include "elf/ppc.h"
#include "elf/ppc64.h"
#include "elf/s390.h"
#include "elf/score.h"
#include "elf/sh.h"
#include "elf/sparc.h"
#include "elf/spu.h"
#include "elf/v850.h"
#include "elf/vax.h"
#include "elf/x86-64.h"
#include "elf/xstormy16.h"
#include "elf/xtensa.h"
#include "aout/ar.h"
#include "getopt.h"
#include "libiberty.h"
#include "safe-ctype.h"
#include "filenames.h"
char * program_name = "readelf";
int do_wide;
static long archive_file_offset;
static unsigned long archive_file_size;
static unsigned long dynamic_addr;
static bfd_size_type dynamic_size;
static unsigned int dynamic_nent;
static char * dynamic_strings;
static unsigned long dynamic_strings_length;
static char * string_table;
static unsigned long string_table_length;
static unsigned long num_dynamic_syms;
static Elf_Internal_Sym * dynamic_symbols;
static Elf_Internal_Syminfo * dynamic_syminfo;
static unsigned long dynamic_syminfo_offset;
static unsigned int dynamic_syminfo_nent;
static char program_interpreter[PATH_MAX];
static bfd_vma dynamic_info[DT_JMPREL + 1];
static bfd_vma dynamic_info_DT_GNU_HASH;
static bfd_vma version_info[16];
static Elf_Internal_Ehdr elf_header;
static Elf_Internal_Shdr * section_headers;
static Elf_Internal_Phdr * program_headers;
static Elf_Internal_Dyn * dynamic_section;
static Elf_Internal_Shdr * symtab_shndx_hdr;
static int show_name;
static int do_dynamic;
static int do_syms;
static int do_reloc;
static int do_sections;
static int do_section_groups;
static int do_section_details;
static int do_segments;
static int do_unwind;
static int do_using_dynamic;
static int do_header;
static int do_dump;
static int do_version;
static int do_histogram;
static int do_debugging;
static int do_arch;
static int do_notes;
static int do_archive_index;
static int is_32bit_elf;
struct group_list
{
struct group_list * next;
unsigned int section_index;
};
struct group
{
struct group_list * root;
unsigned int group_index;
};
static size_t group_count;
static struct group * section_groups;
static struct group ** section_headers_groups;
/* Flag bits indicating particular types of dump. */
#define HEX_DUMP (1 << 0) /* The -x command line switch. */
#define DISASS_DUMP (1 << 1) /* The -i command line switch. */
#define DEBUG_DUMP (1 << 2) /* The -w command line switch. */
#define STRING_DUMP (1 << 3) /* The -p command line switch. */
typedef unsigned char dump_type;
/* A linked list of the section names for which dumps were requested. */
struct dump_list_entry
{
char * name;
dump_type type;
struct dump_list_entry * next;
};
static struct dump_list_entry * dump_sects_byname;
/* A dynamic array of flags indicating for which sections a dump
has been requested via command line switches. */
static dump_type * cmdline_dump_sects = NULL;
static unsigned int num_cmdline_dump_sects = 0;
/* A dynamic array of flags indicating for which sections a dump of
some kind has been requested. It is reset on a per-object file
basis and then initialised from the cmdline_dump_sects array,
the results of interpreting the -w switch, and the
dump_sects_byname list. */
static dump_type * dump_sects = NULL;
static unsigned int num_dump_sects = 0;
/* How to print a vma value. */
typedef enum print_mode
{
HEX,
DEC,
DEC_5,
UNSIGNED,
PREFIX_HEX,
FULL_HEX,
LONG_HEX
}
print_mode;
static void (* byte_put) (unsigned char *, bfd_vma, int);
#define UNKNOWN -1
#define SECTION_NAME(X) \
((X) == NULL ? "<none>" \
: string_table == NULL ? "<no-name>" \
: ((X)->sh_name >= string_table_length ? "<corrupt>" \
: string_table + (X)->sh_name))
#define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */
#define BYTE_GET(field) byte_get (field, sizeof (field))
#define GET_ELF_SYMBOLS(file, section) \
(is_32bit_elf ? get_32bit_elf_symbols (file, section) \
: get_64bit_elf_symbols (file, section))
#define VALID_DYNAMIC_NAME(offset) ((dynamic_strings != NULL) && (offset < dynamic_strings_length))
/* GET_DYNAMIC_NAME asssumes that VALID_DYNAMIC_NAME has
already been called and verified that the string exists. */
#define GET_DYNAMIC_NAME(offset) (dynamic_strings + offset)
/* This is just a bit of syntatic sugar. */
#define streq(a,b) (strcmp ((a), (b)) == 0)
#define strneq(a,b,n) (strncmp ((a), (b), (n)) == 0)
#define const_strneq(a,b) (strncmp ((a), (b), sizeof (b) - 1) == 0)
static void *
get_data (void * var, FILE * file, long offset, size_t size, size_t nmemb,
const char * reason)
{
void * mvar;
if (size == 0 || nmemb == 0)
return NULL;
if (fseek (file, archive_file_offset + offset, SEEK_SET))
{
error (_("Unable to seek to 0x%lx for %s\n"),
(unsigned long) archive_file_offset + offset, reason);
return NULL;
}
mvar = var;
if (mvar == NULL)
{
/* Check for overflow. */
if (nmemb < (~(size_t) 0 - 1) / size)
/* + 1 so that we can '\0' terminate invalid string table sections. */
mvar = malloc (size * nmemb + 1);
if (mvar == NULL)
{
error (_("Out of memory allocating 0x%lx bytes for %s\n"),
(unsigned long)(size * nmemb), reason);
return NULL;
}
((char *) mvar)[size * nmemb] = '\0';
}
if (fread (mvar, size, nmemb, file) != nmemb)
{
error (_("Unable to read in 0x%lx bytes of %s\n"),
(unsigned long)(size * nmemb), reason);
if (mvar != var)
free (mvar);
return NULL;
}
return mvar;
}
static void
byte_put_little_endian (unsigned char * field, bfd_vma value, int size)
{
switch (size)
{
case 8:
field[7] = (((value >> 24) >> 24) >> 8) & 0xff;
field[6] = ((value >> 24) >> 24) & 0xff;
field[5] = ((value >> 24) >> 16) & 0xff;
field[4] = ((value >> 24) >> 8) & 0xff;
/* Fall through. */
case 4:
field[3] = (value >> 24) & 0xff;
field[2] = (value >> 16) & 0xff;
/* Fall through. */
case 2:
field[1] = (value >> 8) & 0xff;
/* Fall through. */
case 1:
field[0] = value & 0xff;
break;
default:
error (_("Unhandled data length: %d\n"), size);
abort ();
}
}
/* Print a VMA value. */
static int
print_vma (bfd_vma vma, print_mode mode)
{
int nc = 0;
switch (mode)
{
case FULL_HEX:
nc = printf ("0x");
/* Drop through. */
case LONG_HEX:
#ifdef BFD64
if (is_32bit_elf)
return nc + printf ("%8.8" BFD_VMA_FMT "x", vma);
#endif
printf_vma (vma);
return nc + 16;
case DEC_5:
if (vma <= 99999)
return printf ("%5" BFD_VMA_FMT "d", vma);
/* Drop through. */
case PREFIX_HEX:
nc = printf ("0x");
/* Drop through. */
case HEX:
return nc + printf ("%" BFD_VMA_FMT "x", vma);
case DEC:
return printf ("%" BFD_VMA_FMT "d", vma);
case UNSIGNED:
return printf ("%" BFD_VMA_FMT "u", vma);
}
return 0;
}
/* Display a symbol on stdout. Handles the display of non-printing characters.
If DO_WIDE is not true then format the symbol to be at most WIDTH characters,
truncating as necessary. If WIDTH is negative then format the string to be
exactly - WIDTH characters, truncating or padding as necessary.
Returns the number of emitted characters. */
static unsigned int
print_symbol (int width, const char * symbol)
{
const char * c;
bfd_boolean extra_padding = FALSE;
unsigned int num_printed = 0;
if (do_wide)
{
/* Set the width to a very large value. This simplifies the code below. */
width = INT_MAX;
}
else if (width < 0)
{
/* Keep the width positive. This also helps. */
width = - width;
extra_padding = TRUE;
}
while (width)
{
int len;
c = symbol;
/* Look for non-printing symbols inside the symbol's name.
This test is triggered in particular by the names generated
by the assembler for local labels. */
while (ISPRINT (* c))
c++;
len = c - symbol;
if (len)
{
if (len > width)
len = width;
printf ("%.*s", len, symbol);
width -= len;
num_printed += len;
}
if (* c == 0 || width == 0)
break;
/* Now display the non-printing character, if
there is room left in which to dipslay it. */
if (*c < 32)
{
if (width < 2)
break;
printf ("^%c", *c + 0x40);
width -= 2;
num_printed += 2;
}
else
{
if (width < 6)
break;
printf ("<0x%.2x>", *c);
width -= 6;
num_printed += 6;
}
symbol = c + 1;
}
if (extra_padding && width > 0)
{
/* Fill in the remaining spaces. */
printf ("%-*s", width, " ");
num_printed += 2;
}
return num_printed;
}
static void
byte_put_big_endian (unsigned char * field, bfd_vma value, int size)
{
switch (size)
{
case 8:
field[7] = value & 0xff;
field[6] = (value >> 8) & 0xff;
field[5] = (value >> 16) & 0xff;
field[4] = (value >> 24) & 0xff;
value >>= 16;
value >>= 16;
/* Fall through. */
case 4:
field[3] = value & 0xff;
field[2] = (value >> 8) & 0xff;
value >>= 16;
/* Fall through. */
case 2:
field[1] = value & 0xff;
value >>= 8;
/* Fall through. */
case 1:
field[0] = value & 0xff;
break;
default:
error (_("Unhandled data length: %d\n"), size);
abort ();
}
}
/* Return a pointer to section NAME, or NULL if no such section exists. */
static Elf_Internal_Shdr *
find_section (const char * name)
{
unsigned int i;
for (i = 0; i < elf_header.e_shnum; i++)
if (streq (SECTION_NAME (section_headers + i), name))
return section_headers + i;
return NULL;
}
/* Guess the relocation size commonly used by the specific machines. */
static int
guess_is_rela (unsigned int e_machine)
{
switch (e_machine)
{
/* Targets that use REL relocations. */
case EM_386:
case EM_486:
case EM_960:
case EM_ARM:
case EM_D10V:
case EM_CYGNUS_D10V:
case EM_DLX:
case EM_MIPS:
case EM_MIPS_RS3_LE:
case EM_CYGNUS_M32R:
case EM_OPENRISC:
case EM_OR32:
case EM_SCORE:
return FALSE;
/* Targets that use RELA relocations. */
case EM_68K:
case EM_860:
case EM_ALPHA:
case EM_ALTERA_NIOS2:
case EM_AVR:
case EM_AVR_OLD:
case EM_BLACKFIN:
case EM_CR16:
case EM_CR16_OLD:
case EM_CRIS:
case EM_CRX:
case EM_D30V:
case EM_CYGNUS_D30V:
case EM_FR30:
case EM_CYGNUS_FR30:
case EM_CYGNUS_FRV:
case EM_H8S:
case EM_H8_300:
case EM_H8_300H:
case EM_IA_64:
case EM_IP2K:
case EM_IP2K_OLD:
case EM_IQ2000:
case EM_LATTICEMICO32:
case EM_M32C_OLD:
case EM_M32C:
case EM_M32R:
case EM_MCORE:
case EM_CYGNUS_MEP:
case EM_MMIX:
case EM_MN10200:
case EM_CYGNUS_MN10200:
case EM_MN10300:
case EM_CYGNUS_MN10300:
case EM_MSP430:
case EM_MSP430_OLD:
case EM_MT:
case EM_NIOS32:
case EM_PPC64:
case EM_PPC:
case EM_S390:
case EM_S390_OLD:
case EM_SH:
case EM_SPARC:
case EM_SPARC32PLUS:
case EM_SPARCV9:
case EM_SPU:
case EM_V850:
case EM_CYGNUS_V850:
case EM_VAX:
case EM_X86_64:
case EM_XSTORMY16:
case EM_XTENSA:
case EM_XTENSA_OLD:
return TRUE;
case EM_68HC05:
case EM_68HC08:
case EM_68HC11:
case EM_68HC16:
case EM_FX66:
case EM_ME16:
case EM_MMA:
case EM_NCPU:
case EM_NDR1:
case EM_PCP:
case EM_ST100:
case EM_ST19:
case EM_ST7:
case EM_ST9PLUS:
case EM_STARCORE:
case EM_SVX:
case EM_TINYJ:
default:
warn (_("Don't know about relocations on this machine architecture\n"));
return FALSE;
}
}
static int
slurp_rela_relocs (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 = get_data (NULL, file, rel_offset, 1, rel_size, _("relocs"));
if (!erelas)
return 0;
nrelas = rel_size / sizeof (Elf32_External_Rela);
relas = cmalloc (nrelas, sizeof (Elf_Internal_Rela));
if (relas == NULL)
{
free (erelas);
error (_("out of memory parsing relocs\n"));
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 = get_data (NULL, file, rel_offset, 1, rel_size, _("relocs"));
if (!erelas)
return 0;
nrelas = rel_size / sizeof (Elf64_External_Rela);
relas = cmalloc (nrelas, sizeof (Elf_Internal_Rela));
if (relas == NULL)
{
free (erelas);
error (_("out of memory parsing relocs\n"));
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);
/* 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
if (elf_header.e_machine == EM_MIPS
&& elf_header.e_ident[EI_DATA] != ELFDATA2MSB)
{
/* In little-endian objects, r_info isn't really a
64-bit little-endian value: it has a 32-bit
little-endian symbol index followed by four
individual byte fields. Reorder INFO
accordingly. */
bfd_vma info = relas[i].r_info;
info = (((info & 0xffffffff) << 32)
| ((info >> 56) & 0xff)
| ((info >> 40) & 0xff00)
| ((info >> 24) & 0xff0000)
| ((info >> 8) & 0xff000000));
relas[i].r_info = info;
}
#endif /* BFD64 */
}
free (erelas);
}
*relasp = relas;
*nrelasp = nrelas;
return 1;
}
static int
slurp_rel_relocs (FILE * file,
unsigned long rel_offset,
unsigned long rel_size,
Elf_Internal_Rela ** relsp,
unsigned long * nrelsp)
{
Elf_Internal_Rela * rels;
unsigned long nrels;
unsigned int i;
if (is_32bit_elf)
{
Elf32_External_Rel * erels;
erels = get_data (NULL, file, rel_offset, 1, rel_size, _("relocs"));
if (!erels)
return 0;
nrels = rel_size / sizeof (Elf32_External_Rel);
rels = cmalloc (nrels, sizeof (Elf_Internal_Rela));
if (rels == NULL)
{
free (erels);
error (_("out of memory parsing relocs\n"));
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);
rels[i].r_addend = 0;
}
free (erels);
}
else
{
Elf64_External_Rel * erels;
erels = get_data (NULL, file, rel_offset, 1, rel_size, _("relocs"));
if (!erels)
return 0;
nrels = rel_size / sizeof (Elf64_External_Rel);
rels = cmalloc (nrels, sizeof (Elf_Internal_Rela));
if (rels == NULL)
{
free (erels);
error (_("out of memory parsing relocs\n"));
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);
rels[i].r_addend = 0;
/* 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
if (elf_header.e_machine == EM_MIPS
&& elf_header.e_ident[EI_DATA] != ELFDATA2MSB)
{
/* In little-endian objects, r_info isn't really a
64-bit little-endian value: it has a 32-bit
little-endian symbol index followed by four
individual byte fields. Reorder INFO
accordingly. */
bfd_vma info = rels[i].r_info;
info = (((info & 0xffffffff) << 32)
| ((info >> 56) & 0xff)
| ((info >> 40) & 0xff00)
| ((info >> 24) & 0xff0000)
| ((info >> 8) & 0xff000000));
rels[i].r_info = info;
}
#endif /* BFD64 */
}
free (erels);
}
*relsp = rels;
*nrelsp = nrels;
return 1;
}
/* Returns the reloc type extracted from the reloc info field. */
static unsigned int
get_reloc_type (bfd_vma reloc_info)
{
if (is_32bit_elf)
return ELF32_R_TYPE (reloc_info);
switch (elf_header.e_machine)
{
case EM_MIPS:
/* Note: We assume that reloc_info has already been adjusted for us. */
return ELF64_MIPS_R_TYPE (reloc_info);
case EM_SPARCV9:
return ELF64_R_TYPE_ID (reloc_info);
default:
return ELF64_R_TYPE (reloc_info);
}
}
/* Return the symbol index extracted from the reloc info field. */
static bfd_vma
get_reloc_symindex (bfd_vma reloc_info)
{
return is_32bit_elf ? ELF32_R_SYM (reloc_info) : ELF64_R_SYM (reloc_info);
}
/* Display the contents of the relocation data found at the specified
offset. */
static void
dump_relocations (FILE * file,
unsigned long rel_offset,
unsigned long rel_size,
Elf_Internal_Sym * symtab,
unsigned long nsyms,
char * strtab,
unsigned long strtablen,
int is_rela)
{
unsigned int i;
Elf_Internal_Rela * rels;
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, &rels, &rel_size))
return;
}
else
{
if (!slurp_rel_relocs (file, rel_offset, rel_size, &rels, &rel_size))
return;
}
if (is_32bit_elf)
{
if (is_rela)
{
if (do_wide)
printf (_(" Offset Info Type Sym. Value Symbol's Name + Addend\n"));
else
printf (_(" Offset Info Type Sym.Value Sym. Name + Addend\n"));
}
else
{
if (do_wide)
printf (_(" Offset Info Type Sym. Value Symbol's Name\n"));
else
printf (_(" Offset Info Type Sym.Value Sym. Name\n"));
}
}
else
{
if (is_rela)
{
if (do_wide)
printf (_(" Offset Info Type Symbol's Value Symbol's Name + Addend\n"));
else
printf (_(" Offset Info Type Sym. Value Sym. Name + Addend\n"));
}
else
{
if (do_wide)
printf (_(" Offset Info Type Symbol's Value Symbol's Name\n"));
else
printf (_(" Offset Info Type Sym. Value Sym. 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;
offset = rels[i].r_offset;
info = rels[i].r_info;
type = get_reloc_type (info);
symtab_index = get_reloc_symindex (info);
if (is_32bit_elf)
{
printf ("%8.8lx %8.8lx ",
(unsigned long) offset & 0xffffffff,
(unsigned long) info & 0xffffffff);
}
else
{
#if BFD_HOST_64BIT_LONG
printf (do_wide
? "%16.16lx %16.16lx "
: "%12.12lx %12.12lx ",
offset, info);
#elif BFD_HOST_64BIT_LONG_LONG
#ifndef __MSVCRT__
printf (do_wide
? "%16.16llx %16.16llx "
: "%12.12llx %12.12llx ",
offset, info);
#else
printf (do_wide
? "%16.16I64x %16.16I64x "
: "%12.12I64x %12.12I64x ",
offset, info);
#endif
#else
printf (do_wide
? "%8.8lx%8.8lx %8.8lx%8.8lx "
: "%4.4lx%8.8lx %4.4lx%8.8lx ",
_bfd_int64_high (offset),
_bfd_int64_low (offset),
_bfd_int64_high (info),
_bfd_int64_low (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_68HC11:
case EM_68HC12:
rtype = elf_m68hc11_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_SPU:
rtype = elf_spu_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_DLX:
rtype = elf_dlx_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_CYGNUS_FRV:
rtype = elf_frv_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_MSP430:
case EM_MSP430_OLD:
rtype = elf_msp430_reloc_type (type);
break;
case EM_PPC:
rtype = elf_ppc_reloc_type (type);
break;
case EM_PPC64:
rtype = elf_ppc64_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_S370:
rtype = i370_reloc_type (type);
break;
case EM_S390_OLD:
case EM_S390:
rtype = elf_s390_reloc_type (type);
break;
case EM_SCORE:
rtype = elf_score_reloc_type (type);
break;
case EM_XSTORMY16:
rtype = elf_xstormy16_reloc_type (type);
break;
case EM_CRX:
rtype = elf_crx_reloc_type (type);
break;
case EM_VAX:
rtype = elf_vax_reloc_type (type);
break;
case EM_IP2K:
case EM_IP2K_OLD:
rtype = elf_ip2k_reloc_type (type);
break;
case EM_IQ2000:
rtype = elf_iq2000_reloc_type (type);
break;
case EM_XTENSA_OLD:
case EM_XTENSA:
rtype = elf_xtensa_reloc_type (type);
break;
case EM_LATTICEMICO32:
rtype = elf_lm32_reloc_type (type);
break;
case EM_M32C_OLD:
case EM_M32C:
rtype = elf_m32c_reloc_type (type);
break;
case EM_MT:
rtype = elf_mt_reloc_type (type);
break;
case EM_BLACKFIN:
rtype = elf_bfin_reloc_type (type);
break;
case EM_CYGNUS_MEP:
rtype = elf_mep_reloc_type (type);
break;
case EM_CR16:
case EM_CR16_OLD:
rtype = elf_cr16_reloc_type (type);
break;
}
if (rtype == NULL)
printf (_("unrecognized: %-7lx"), (unsigned long) type & 0xffffffff);
else
printf (do_wide ? "%-22.22s" : "%-17.17s", rtype);
if (elf_header.e_machine == EM_ALPHA
&& rtype != NULL
&& streq (rtype, "R_ALPHA_LITUSE")
&& is_rela)
{
switch (rels[i].r_addend)
{
case LITUSE_ALPHA_ADDR: rtype = "ADDR"; break;
case LITUSE_ALPHA_BASE: rtype = "BASE"; break;
case LITUSE_ALPHA_BYTOFF: rtype = "BYTOFF"; break;
case LITUSE_ALPHA_JSR: rtype = "JSR"; break;
case LITUSE_ALPHA_TLSGD: rtype = "TLSGD"; break;
case LITUSE_ALPHA_TLSLDM: rtype = "TLSLDM"; break;
case LITUSE_ALPHA_JSRDIRECT: rtype = "JSRDIRECT"; break;
default: rtype = NULL;
}
if (rtype)
printf (" (%s)", rtype);
else
{
putchar (' ');
printf (_("<unknown addend: %lx>"),
(unsigned long) rels[i].r_addend);
}
}
else 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 (" ");
if (ELF_ST_TYPE (psym->st_info) == STT_GNU_IFUNC)
{
const char * name;
unsigned int len;
unsigned int width = is_32bit_elf ? 8 : 14;
/* Relocations against GNU_IFUNC symbols do not use the value
of the symbol as the address to relocate against. Instead
they invoke the function named by the symbol and use its
result as the address for relocation.
To indicate this to the user, do not display the value of
the symbol in the "Symbols's Value" field. Instead show
its name followed by () as a hint that the symbol is
invoked. */
if (strtab == NULL
|| psym->st_name == 0
|| psym->st_name >= strtablen)
name = "??";
else
name = strtab + psym->st_name;
len = print_symbol (width, name);
printf ("()%-*s", len <= width ? (width + 1) - len : 1, " ");
}
else
{
print_vma (psym->st_value, LONG_HEX);
printf (is_32bit_elf ? " " : " ");
}
if (psym->st_name == 0)
{
const char * sec_name = "<null>";
char name_buf[40];
if (ELF_ST_TYPE (psym->st_info) == STT_SECTION)
{
if (psym->st_shndx < elf_header.e_shnum)
sec_name
= SECTION_NAME (section_headers + psym->st_shndx);
else if (psym->st_shndx == SHN_ABS)
sec_name = "ABS";
else if (psym->st_shndx == SHN_COMMON)
sec_name = "COMMON";
else if (elf_header.e_machine == EM_MIPS
&& psym->st_shndx == SHN_MIPS_SCOMMON)
sec_name = "SCOMMON";
else if (elf_header.e_machine == EM_MIPS
&& psym->st_shndx == SHN_MIPS_SUNDEFINED)
sec_name = "SUNDEF";
else if (elf_header.e_machine == EM_X86_64
&& psym->st_shndx == SHN_X86_64_LCOMMON)
sec_name = "LARGE_COMMON";
else if (elf_header.e_machine == EM_IA_64
&& elf_header.e_ident[EI_OSABI] == ELFOSABI_HPUX
&& psym->st_shndx == SHN_IA_64_ANSI_COMMON)
sec_name = "ANSI_COM";
else if (elf_header.e_machine == EM_IA_64
&& (elf_header.e_ident[EI_OSABI]
== ELFOSABI_OPENVMS)
&& psym->st_shndx == SHN_IA_64_VMS_SYMVEC)
sec_name = "VMS_SYMVEC";
else
{
sprintf (name_buf, "<section 0x%x>",
(unsigned int) psym->st_shndx);
sec_name = name_buf;
}
}
print_symbol (22, sec_name);
}
else if (strtab == NULL)
printf (_("<string table index: %3ld>"), psym->st_name);
else if (psym->st_name >= strtablen)
printf (_("<corrupt string table index: %3ld>"), psym->st_name);
else
print_symbol (22, strtab + psym->st_name);
if (is_rela)
{
long offset = (long) (bfd_signed_vma) rels[i].r_addend;
if (offset < 0)
printf (" - %lx", - offset);
else
printf (" + %lx", offset);
}
}
}
else if (is_rela)
{
printf ("%*c", is_32bit_elf ?
(do_wide ? 34 : 28) : (do_wide ? 26 : 20), ' ');
print_vma (rels[i].r_addend, LONG_HEX);
}
if (elf_header.e_machine == EM_SPARCV9
&& rtype != NULL
&& streq (rtype, "R_SPARC_OLO10"))
printf (" + %lx", (unsigned long) ELF64_R_TYPE_DATA (info));
putchar ('\n');
#ifdef BFD64
if (! is_32bit_elf && elf_header.e_machine == EM_MIPS)
{
bfd_vma type2 = ELF64_MIPS_R_TYPE2 (info);
bfd_vma type3 = ELF64_MIPS_R_TYPE3 (info);
const char * rtype2 = elf_mips_reloc_type (type2);
const char * rtype3 = elf_mips_reloc_type (type3);
printf (" Type2: ");
if (rtype2 == NULL)
printf (_("unrecognized: %-7lx"),
(unsigned long) type2 & 0xffffffff);
else
printf ("%-17.17s", rtype2);
printf ("\n Type3: ");
if (rtype3 == NULL)
printf (_("unrecognized: %-7lx"),
(unsigned long) type3 & 0xffffffff);
else
printf ("%-17.17s", rtype3);
putchar ('\n');
}
#endif /* BFD64 */
}
free (rels);
}
static const char *
get_mips_dynamic_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";
case DT_MIPS_PLTGOT: return "MIPS_PLTGOT";
case DT_MIPS_RWPLT: return "MIPS_RWPLT";
default:
return NULL;
}
}
static const char *
get_sparc64_dynamic_type (unsigned long type)
{
switch (type)
{
case DT_SPARC_REGISTER: return "SPARC_REGISTER";
default:
return NULL;
}
}
static const char *
get_ppc_dynamic_type (unsigned long type)
{
switch (type)
{
case DT_PPC_GOT: return "PPC_GOT";
default:
return NULL;
}
}
static const char *
get_ppc64_dynamic_type (unsigned long type)
{
switch (type)
{
case DT_PPC64_GLINK: return "PPC64_GLINK";
case DT_PPC64_OPD: return "PPC64_OPD";
case DT_PPC64_OPDSZ: return "PPC64_OPDSZ";
default:
return NULL;
}
}
static const char *
get_parisc_dynamic_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";
case DT_HP_EPLTREL: return "HP_GST_EPLTREL";
case DT_HP_EPLTRELSZ: return "HP_GST_EPLTRELSZ";
case DT_HP_FILTERED: return "HP_FILTERED";
case DT_HP_FILTER_TLS: return "HP_FILTER_TLS";
case DT_HP_COMPAT_FILTERED: return "HP_COMPAT_FILTERED";
case DT_HP_LAZYLOAD: return "HP_LAZYLOAD";
case DT_HP_BIND_NOW_COUNT: return "HP_BIND_NOW_COUNT";
case DT_PLT: return "PLT";
case DT_PLT_SIZE: return "PLT_SIZE";
case DT_DLT: return "DLT";
case DT_DLT_SIZE: return "DLT_SIZE";
default:
return NULL;
}
}
static const char *
get_ia64_dynamic_type (unsigned long type)
{
switch (type)
{
case DT_IA_64_PLT_RESERVE: return "IA_64_PLT_RESERVE";
case DT_IA_64_VMS_SUBTYPE: return "VMS_SUBTYPE";
case DT_IA_64_VMS_IMGIOCNT: return "VMS_IMGIOCNT";
case DT_IA_64_VMS_LNKFLAGS: return "VMS_LNKFLAGS";
case DT_IA_64_VMS_VIR_MEM_BLK_SIZ: return "VMS_VIR_MEM_BLK_SIZ";
case DT_IA_64_VMS_IDENT: return "VMS_IDENT";
case DT_IA_64_VMS_NEEDED_IDENT: return "VMS_NEEDED_IDENT";
case DT_IA_64_VMS_IMG_RELA_CNT: return "VMS_IMG_RELA_CNT";
case DT_IA_64_VMS_SEG_RELA_CNT: return "VMS_SEG_RELA_CNT";
case DT_IA_64_VMS_FIXUP_RELA_CNT: return "VMS_FIXUP_RELA_CNT";
case DT_IA_64_VMS_FIXUP_NEEDED: return "VMS_FIXUP_NEEDED";
case DT_IA_64_VMS_SYMVEC_CNT: return "VMS_SYMVEC_CNT";
case DT_IA_64_VMS_XLATED: return "VMS_XLATED";
case DT_IA_64_VMS_STACKSIZE: return "VMS_STACKSIZE";
case DT_IA_64_VMS_UNWINDSZ: return "VMS_UNWINDSZ";
case DT_IA_64_VMS_UNWIND_CODSEG: return "VMS_UNWIND_CODSEG";
case DT_IA_64_VMS_UNWIND_INFOSEG: return "VMS_UNWIND_INFOSEG";
case DT_IA_64_VMS_LINKTIME: return "VMS_LINKTIME";
case DT_IA_64_VMS_SEG_NO: return "VMS_SEG_NO";
case DT_IA_64_VMS_SYMVEC_OFFSET: return "VMS_SYMVEC_OFFSET";
case DT_IA_64_VMS_SYMVEC_SEG: return "VMS_SYMVEC_SEG";
case DT_IA_64_VMS_UNWIND_OFFSET: return "VMS_UNWIND_OFFSET";
case DT_IA_64_VMS_UNWIND_SEG: return "VMS_UNWIND_SEG";
case DT_IA_64_VMS_STRTAB_OFFSET: return "VMS_STRTAB_OFFSET";
case DT_IA_64_VMS_SYSVER_OFFSET: return "VMS_SYSVER_OFFSET";
case DT_IA_64_VMS_IMG_RELA_OFF: return "VMS_IMG_RELA_OFF";
case DT_IA_64_VMS_SEG_RELA_OFF: return "VMS_SEG_RELA_OFF";
case DT_IA_64_VMS_FIXUP_RELA_OFF: return "VMS_FIXUP_RELA_OFF";
case DT_IA_64_VMS_PLTGOT_OFFSET: return "VMS_PLTGOT_OFFSET";
case DT_IA_64_VMS_PLTGOT_SEG: return "VMS_PLTGOT_SEG";
case DT_IA_64_VMS_FPMODE: return "VMS_FPMODE";
default:
return NULL;
}
}
static const char *
get_alpha_dynamic_type (unsigned long type)
{
switch (type)
{
case DT_ALPHA_PLTRO: return "ALPHA_PLTRO";
default:
return NULL;
}
}
static const char *
get_score_dynamic_type (unsigned long type)
{
switch (type)
{
case DT_SCORE_BASE_ADDRESS: return "SCORE_BASE_ADDRESS";
case DT_SCORE_LOCAL_GOTNO: return "SCORE_LOCAL_GOTNO";
case DT_SCORE_SYMTABNO: return "SCORE_SYMTABNO";
case DT_SCORE_GOTSYM: return "SCORE_GOTSYM";
case DT_SCORE_UNREFEXTNO: return "SCORE_UNREFEXTNO";
case DT_SCORE_HIPAGENO: return "SCORE_HIPAGENO";
default:
return NULL;
}
}
static const char *
get_dynamic_type (unsigned long type)
{
static char buff[64];
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_TLSDESC_GOT: return "TLSDESC_GOT";
case DT_TLSDESC_PLT: return "TLSDESC_PLT";
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";
case DT_GNU_PRELINKED: return "GNU_PRELINKED";
case DT_GNU_CONFLICT: return "GNU_CONFLICT";
case DT_GNU_CONFLICTSZ: return "GNU_CONFLICTSZ";
case DT_GNU_LIBLIST: return "GNU_LIBLIST";
case DT_GNU_LIBLISTSZ: return "GNU_LIBLISTSZ";
case DT_GNU_HASH: return "GNU_HASH";
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_PPC:
result = get_ppc_dynamic_type (type);
break;
case EM_PPC64:
result = get_ppc64_dynamic_type (type);
break;
case EM_IA_64:
result = get_ia64_dynamic_type (type);
break;
case EM_ALPHA:
result = get_alpha_dynamic_type (type);
break;
case EM_SCORE:
result = get_score_dynamic_type (type);
break;
default:
result = NULL;
break;
}
if (result != NULL)
return result;
snprintf (buff, sizeof (buff), _("Processor Specific: %lx"), type);
}
else if (((type >= DT_LOOS) && (type <= DT_HIOS))
|| (elf_header.e_machine == EM_PARISC
&& (type >= OLD_DT_LOOS) && (type <= OLD_DT_HIOS)))
{
const char * result;
switch (elf_header.e_machine)
{
case EM_PARISC:
result = get_parisc_dynamic_type (type);
break;
case EM_IA_64:
result = get_ia64_dynamic_type (type);
break;
default:
result = NULL;
break;
}
if (result != NULL)
return result;
snprintf (buff, sizeof (buff), _("Operating System specific: %lx"),
type);
}
else
snprintf (buff, sizeof (buff), _("<unknown>: %lx"), type);
return buff;
}
}
static char *
get_file_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))
snprintf (buff, sizeof (buff), _("Processor Specific: (%x)"), e_type);
else if ((e_type >= ET_LOOS) && (e_type <= ET_HIOS))
snprintf (buff, sizeof (buff), _("OS Specific: (%x)"), e_type);
else
snprintf (buff, sizeof (buff), _("<unknown>: %x"), e_type);
return buff;
}
}
static char *
get_machine_name (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_SPU: return "SPU";
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 "Renesas / SuperH SH";
case EM_SPARCV9: return "Sparc v9";
case EM_TRICORE: return "Siemens Tricore";
case EM_ARC: return "ARC";
case EM_H8_300: return "Renesas H8/300";
case EM_H8_300H: return "Renesas H8/300H";
case EM_H8S: return "Renesas H8S";
case EM_H8_500: return "Renesas 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 "Renesas M32R (formerly 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_CYGNUS_FRV: return "Fujitsu FR-V";
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 "Vitesse Prism";
case EM_X86_64: return "Advanced Micro Devices X86-64";
case EM_S390_OLD:
case EM_S390: return "IBM S/390";
case EM_SCORE: return "SUNPLUS S+Core";
case EM_XSTORMY16: return "Sanyo Xstormy16 CPU core";
case EM_OPENRISC:
case EM_OR32: return "OpenRISC";
case EM_CRX: return "National Semiconductor CRX microprocessor";
case EM_DLX: return "OpenDLX";
case EM_IP2K_OLD:
case EM_IP2K: return "Ubicom IP2xxx 8-bit microcontrollers";
case EM_IQ2000: return "Vitesse IQ2000";
case EM_XTENSA_OLD:
case EM_XTENSA: return "Tensilica Xtensa Processor";
case EM_LATTICEMICO32: return "Lattice Mico32";
case EM_M32C_OLD:
case EM_M32C: return "Renesas M32c";
case EM_MT: return "Morpho Techologies MT processor";
case EM_BLACKFIN: return "Analog Devices Blackfin";
case EM_NIOS32: return "Altera Nios";
case EM_ALTERA_NIOS2: return "Altera Nios II";
case EM_XC16X: return "Infineon Technologies xc16x";
case EM_CYGNUS_MEP: return "Toshiba MeP Media Engine";
case EM_CR16:
case EM_CR16_OLD: return "National Semiconductor's CR16";
default:
snprintf (buff, sizeof (buff), _("<unknown>: 0x%x"), e_machine);
return buff;
}
}
static void
decode_ARM_machine_flags (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, ", <unrecognized 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_VER3:
strcat (buf, ", Version3 EABI");
break;
case EF_ARM_EABI_VER4:
strcat (buf, ", Version4 EABI");
goto eabi;
case EF_ARM_EABI_VER5:
strcat (buf, ", Version5 EABI");
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_BE8:
strcat (buf, ", BE8");
break;
case EF_ARM_LE8:
strcat (buf, ", LE8");
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;
case EF_ARM_VFP_FLOAT:
strcat (buf, ", VFP");
break;
case EF_ARM_MAVERICK_FLOAT:
strcat (buf, ", Maverick FP");
break;
default:
unknown = 1;
break;
}
}
}
if (unknown)
strcat (buf,", <unknown>");
}
static char *
get_machine_flags (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_CYGNUS_FRV:
switch (e_flags & EF_FRV_CPU_MASK)
{
case EF_FRV_CPU_GENERIC:
break;
default:
strcat (buf, ", fr???");
break;
case EF_FRV_CPU_FR300:
strcat (buf, ", fr300");
break;
case EF_FRV_CPU_FR400:
strcat (buf, ", fr400");
break;
case EF_FRV_CPU_FR405:
strcat (buf, ", fr405");
break;
case EF_FRV_CPU_FR450:
strcat (buf, ", fr450");
break;
case EF_FRV_CPU_FR500:
strcat (buf, ", fr500");
break;
case EF_FRV_CPU_FR550:
strcat (buf, ", fr550");
break;
case EF_FRV_CPU_SIMPLE:
strcat (buf, ", simple");
break;
case EF_FRV_CPU_TOMCAT:
strcat (buf, ", tomcat");
break;
}
break;
case EM_68K:
if ((e_flags & EF_M68K_ARCH_MASK) == EF_M68K_M68000)
strcat (buf, ", m68000");
else if ((e_flags & EF_M68K_ARCH_MASK) == EF_M68K_CPU32)
strcat (buf, ", cpu32");
else if ((e_flags & EF_M68K_ARCH_MASK) == EF_M68K_FIDO)
strcat (buf, ", fido_a");
else
{
char const * isa = _("unknown");
char const * mac = _("unknown mac");
char const * additional = NULL;
switch (e_flags & EF_M68K_CF_ISA_MASK)
{
case EF_M68K_CF_ISA_A_NODIV:
isa = "A";
additional = ", nodiv";
break;
case EF_M68K_CF_ISA_A:
isa = "A";
break;
case EF_M68K_CF_ISA_A_PLUS:
isa = "A+";
break;
case EF_M68K_CF_ISA_B_NOUSP:
isa = "B";
additional = ", nousp";
break;
case EF_M68K_CF_ISA_B:
isa = "B";
break;
}
strcat (buf, ", cf, isa ");
strcat (buf, isa);
if (additional)
strcat (buf, additional);
if (e_flags & EF_M68K_CF_FLOAT)
strcat (buf, ", float");
switch (e_flags & EF_M68K_CF_MAC_MASK)
{
case 0:
mac = NULL;
break;
case EF_M68K_CF_MAC:
mac = "mac";
break;
case EF_M68K_CF_EMAC:
mac = "emac";
break;
}
if (mac)
{
strcat (buf, ", ");
strcat (buf, mac);
}
}
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_V850E1_ARCH:
strcat (buf, ", v850e1");
break;
case E_V850E_ARCH:
strcat (buf, ", v850e");
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_4111: strcat (buf, ", 4111"); break;
case E_MIPS_MACH_4120: strcat (buf, ", 4120"); break;
case E_MIPS_MACH_4650: strcat (buf, ", 4650"); break;
case E_MIPS_MACH_5400: strcat (buf, ", 5400"); break;
case E_MIPS_MACH_5500: strcat (buf, ", 5500"); break;
case E_MIPS_MACH_SB1: strcat (buf, ", sb1"); break;
case E_MIPS_MACH_9000: strcat (buf, ", 9000"); break;
case E_MIPS_MACH_LS2E: strcat (buf, ", loongson-2e"); break;
case E_MIPS_MACH_LS2F: strcat (buf, ", loongson-2f"); break;
case E_MIPS_MACH_OCTEON: strcat (buf, ", octeon"); break;
case E_MIPS_MACH_XLR: strcat (buf, ", xlr"); 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_32R2: strcat (buf, ", mips32r2"); break;
case E_MIPS_ARCH_64: strcat (buf, ", mips64"); break;
case E_MIPS_ARCH_64R2: strcat (buf, ", mips64r2"); break;
default: strcat (buf, ", unknown ISA"); break;
}
break;
case EM_SH:
switch ((e_flags & EF_SH_MACH_MASK))
{
case EF_SH1: strcat (buf, ", sh1"); break;
case EF_SH2: strcat (buf, ", sh2"); break;
case EF_SH3: strcat (buf, ", sh3"); break;
case EF_SH_DSP: strcat (buf, ", sh-dsp"); break;
case EF_SH3_DSP: strcat (buf, ", sh3-dsp"); break;
case EF_SH4AL_DSP: strcat (buf, ", sh4al-dsp"); break;
case EF_SH3E: strcat (buf, ", sh3e"); break;
case EF_SH4: strcat (buf, ", sh4"); break;
case EF_SH5: strcat (buf, ", sh5"); break;
case EF_SH2E: strcat (buf, ", sh2e"); break;
case EF_SH4A: strcat (buf, ", sh4a"); break;
case EF_SH2A: strcat (buf, ", sh2a"); break;
case EF_SH4_NOFPU: strcat (buf, ", sh4-nofpu"); break;
case EF_SH4A_NOFPU: strcat (buf, ", sh4a-nofpu"); break;
case EF_SH2A_NOFPU: strcat (buf, ", sh2a-nofpu"); break;
case EF_SH3_NOMMU: strcat (buf, ", sh3-nommu"); break;
case EF_SH4_NOMMU_NOFPU: strcat (buf, ", sh4-nommu-nofpu"); break;
case EF_SH2A_SH4_NOFPU: strcat (buf, ", sh2a-nofpu-or-sh4-nommu-nofpu"); break;
case EF_SH2A_SH3_NOFPU: strcat (buf, ", sh2a-nofpu-or-sh3-nommu"); break;
case EF_SH2A_SH4: strcat (buf, ", sh2a-or-sh4"); break;
case EF_SH2A_SH3E: strcat (buf, ", sh2a-or-sh3e"); 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;
case EM_VAX:
if ((e_flags & EF_VAX_NONPIC))
strcat (buf, ", non-PIC");
if ((e_flags & EF_VAX_DFLOAT))
strcat (buf, ", D-Float");
if ((e_flags & EF_VAX_GFLOAT))
strcat (buf, ", G-Float");
break;
}
}
return buf;
}
static const char *
get_osabi_name (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_OPENVMS: return "VMS - OpenVMS";
case ELFOSABI_NSK: return "HP - Non-Stop Kernel";
case ELFOSABI_AROS: return "AROS";
case ELFOSABI_STANDALONE: return _("Standalone App");
case ELFOSABI_ARM: return "ARM";
default:
snprintf (buff, sizeof (buff), _("<unknown: %x>"), osabi);
return buff;
}
}
static const char *
get_arm_segment_type (unsigned long type)
{
switch (type)
{
case PT_ARM_EXIDX:
return "EXIDX";
default:
break;
}
return NULL;
}
static const char *
get_mips_segment_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 (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_HP_OPT_ANNOT: return "HP_OPT_ANNOT";
case PT_HP_HSL_ANNOT: return "HP_HSL_ANNOT";
case PT_HP_STACK: return "HP_STACK";
case PT_HP_CORE_UTSNAME: return "HP_CORE_UTSNAME";
case PT_PARISC_ARCHEXT: return "PARISC_ARCHEXT";
case PT_PARISC_UNWIND: return "PARISC_UNWIND";
case PT_PARISC_WEAKORDER: return "PARISC_WEAKORDER";
default:
break;
}
return NULL;
}
static const char *
get_ia64_segment_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 (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_TLS: return "TLS";
case PT_GNU_EH_FRAME:
return "GNU_EH_FRAME";
case PT_GNU_STACK: return "GNU_STACK";
case PT_GNU_RELRO: return "GNU_RELRO";
default:
if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC))
{
const char * result;
switch (elf_header.e_machine)
{
case EM_ARM:
result = get_arm_segment_type (p_type);
break;
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
snprintf (buff, sizeof (buff), _("<unknown>: %lx"), p_type);
return buff;
}
}
static const char *
get_mips_section_type_name (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 (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";
case SHT_PARISC_ANNOT: return "PARISC_ANNOT";
case SHT_PARISC_SYMEXTN: return "PARISC_SYMEXTN";
case SHT_PARISC_STUBS: return "PARISC_STUBS";
case SHT_PARISC_DLKM: return "PARISC_DLKM";
default:
break;
}
return NULL;
}
static const char *
get_ia64_section_type_name (unsigned int sh_type)
{
/* If the top 8 bits are 0x78 the next 8 are the os/abi ID. */
if ((sh_type & 0xFF000000) == SHT_IA_64_LOPSREG)
return get_osabi_name ((sh_type & 0x00FF0000) >> 16);
switch (sh_type)
{
case SHT_IA_64_EXT: return "IA_64_EXT";
case SHT_IA_64_UNWIND: return "IA_64_UNWIND";
case SHT_IA_64_PRIORITY_INIT: return "IA_64_PRIORITY_INIT";
case SHT_IA_64_VMS_TRACE: return "VMS_TRACE";
case SHT_IA_64_VMS_TIE_SIGNATURES: return "VMS_TIE_SIGNATURES";
case SHT_IA_64_VMS_DEBUG: return "VMS_DEBUG";
case SHT_IA_64_VMS_DEBUG_STR: return "VMS_DEBUG_STR";
case SHT_IA_64_VMS_LINKAGES: return "VMS_LINKAGES";
case SHT_IA_64_VMS_SYMBOL_VECTOR: return "VMS_SYMBOL_VECTOR";
case SHT_IA_64_VMS_FIXUP: return "VMS_FIXUP";
default:
break;
}
return NULL;
}
static const char *
get_x86_64_section_type_name (unsigned int sh_type)
{
switch (sh_type)
{
case SHT_X86_64_UNWIND: return "X86_64_UNWIND";
default:
break;
}
return NULL;
}
static const char *
get_arm_section_type_name (unsigned int sh_type)
{
switch (sh_type)
{
case SHT_ARM_EXIDX:
return "ARM_EXIDX";
case SHT_ARM_PREEMPTMAP:
return "ARM_PREEMPTMAP";
case SHT_ARM_ATTRIBUTES:
return "ARM_ATTRIBUTES";
default:
break;
}
return NULL;
}
static const char *
get_section_type_name (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_GNU_HASH: return "GNU_HASH";
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";
case SHT_GNU_LIBLIST: return "GNU_LIBLIST";
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;
case EM_X86_64:
result = get_x86_64_section_type_name (sh_type);
break;
case EM_ARM:
result = get_arm_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))
{
const char * result;
switch (elf_header.e_machine)
{
case EM_IA_64:
result = get_ia64_section_type_name (sh_type);
break;
default:
result = NULL;
break;
}
if (result != NULL)
return result;
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
snprintf (buff, sizeof (buff), _("<unknown>: %x"), sh_type);
return buff;
}
}
#define OPTION_DEBUG_DUMP 512
static 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'},
{"section-groups", no_argument, 0, 'g'},
{"section-details", no_argument, 0, 't'},
{"full-section-name",no_argument, 0, 'N'},
{"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'},
{"unwind", no_argument, 0, 'u'},
{"archive-index", no_argument, 0, 'c'},
{"hex-dump", required_argument, 0, 'x'},
{"debug-dump", optional_argument, 0, OPTION_DEBUG_DUMP},
{"string-dump", required_argument, 0, 'p'},
#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 (FILE * stream)
{
fprintf (stream, _("Usage: readelf <option(s)> elf-file(s)\n"));
fprintf (stream, _(" Display information about the contents of ELF format files\n"));
fprintf (stream, _(" 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\
-g --section-groups Display the section groups\n\
-t --section-details Display the section details\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 section (if present)\n\
-V --version-info Display the version sections (if present)\n\
-A --arch-specific Display architecture specific information (if any).\n\
-c --archive-index Display the symbol/file index in an archive\n\
-D --use-dynamic Use the dynamic section info when displaying symbols\n\
-x --hex-dump=<number|name>\n\
Dump the contents of section <number|name> as bytes\n\
-p --string-dump=<number|name>\n\
Dump the contents of section <number|name> as strings\n\
-w[lLiaprmfFsoR] or\n\
--debug-dump[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=str,=loc,=Ranges]\n\
Display the contents of DWARF2 debug sections\n"));
#ifdef SUPPORT_DISASSEMBLY
fprintf (stream, _("\
-i --instruction-dump=<number|name>\n\
Disassemble the contents of section <number|name>\n"));
#endif
fprintf (stream, _("\
-I --histogram Display histogram of bucket list lengths\n\
-W --wide Allow output width to exceed 80 characters\n\
@<file> Read options from <file>\n\
-H --help Display this information\n\
-v --version Display the version number of readelf\n"));
if (REPORT_BUGS_TO[0] && stream == stdout)
fprintf (stdout, _("Report bugs to %s\n"), REPORT_BUGS_TO);
exit (stream == stdout ? 0 : 1);
}
/* Record the fact that the user wants the contents of section number
SECTION to be displayed using the method(s) encoded as flags bits
in TYPE. Note, TYPE can be zero if we are creating the array for
the first time. */
static void
request_dump_bynumber (unsigned int section, dump_type type)
{
if (section >= num_dump_sects)
{
dump_type * new_dump_sects;
new_dump_sects = calloc (section + 1, sizeof (* dump_sects));
if (new_dump_sects == NULL)
error (_("Out of memory allocating dump request table.\n"));
else
{
/* Copy current flag settings. */
memcpy (new_dump_sects, dump_sects, num_dump_sects * sizeof (* dump_sects));
free (dump_sects);
dump_sects = new_dump_sects;
num_dump_sects = section + 1;
}
}
if (dump_sects)
dump_sects[section] |= type;
return;
}
/* Request a dump by section name. */
static void
request_dump_byname (const char * section, dump_type type)
{
struct dump_list_entry * new_request;
new_request = malloc (sizeof (struct dump_list_entry));
if (!new_request)
error (_("Out of memory allocating dump request table.\n"));
new_request->name = strdup (section);
if (!new_request->name)
error (_("Out of memory allocating dump request table.\n"));
new_request->type = type;
new_request->next = dump_sects_byname;
dump_sects_byname = new_request;
}
static void
parse_args (int argc, char ** argv)
{
int c;
if (argc < 2)
usage (stderr);
while ((c = getopt_long
(argc, argv, "ADHINSVWacdeghi:lnp:rstuvw::x:", options, NULL)) != EOF)
{
char * cp;
int section;
switch (c)
{
case 0:
/* Long options. */
break;
case 'H':
usage (stdout);
break;
case 'a':
do_syms++;
do_reloc++;
do_unwind++;
do_dynamic++;
do_header++;
do_sections++;
do_section_groups++;
do_segments++;
do_version++;
do_histogram++;
do_arch++;
do_notes++;
break;
case 'g':
do_section_groups++;
break;
case 't':
case 'N':
do_sections++;
do_section_details++;
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 'c':
do_archive_index++;
break;
case 'x':
do_dump++;
section = strtoul (optarg, & cp, 0);
if (! *cp && section >= 0)
request_dump_bynumber (section, HEX_DUMP);
else
request_dump_byname (optarg, HEX_DUMP);
break;
case 'p':
do_dump++;
section = strtoul (optarg, & cp, 0);
if (! *cp && section >= 0)
request_dump_bynumber (section, STRING_DUMP);
else
request_dump_byname (optarg, STRING_DUMP);
break;
case 'w':
do_dump++;
if (optarg == 0)
{
do_debugging = 1;
dwarf_select_sections_all ();
}
else
{
do_debugging = 0;
dwarf_select_sections_by_letters (optarg);
}
break;
case OPTION_DEBUG_DUMP:
do_dump++;
if (optarg == 0)
do_debugging = 1;
else
{
do_debugging = 0;
dwarf_select_sections_by_names (optarg);
}
break;
#ifdef SUPPORT_DISASSEMBLY
case 'i':
do_dump++;
section = strtoul (optarg, & cp, 0);
if (! *cp && section >= 0)
request_dump_bynumber (section, DISASS_DUMP);
else
request_dump_byname (optarg, DISASS_DUMP);
#endif
case 'v':
print_version (program_name);
break;
case 'V':
do_version++;
break;
case 'W':
do_wide++;
break;
default:
/* xgettext:c-format */
error (_("Invalid option '-%c'\n"), c);
/* Drop through. */
case '?':
usage (stderr);
}
}
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
&& !do_section_groups && !do_archive_index)
usage (stderr);
else if (argc < 3)
{
warn (_("Nothing to do.\n"));
usage (stderr);
}
}
static const char *
get_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:
snprintf (buff, sizeof (buff), _("<unknown: %x>"), elf_class);
return buff;
}
}
static const char *
get_data_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:
snprintf (buff, sizeof (buff), _("<unknown: %x>"), encoding);
return buff;
}
}
/* Decode the data held in 'elf_header'. */
static int
process_file_header (void)
{
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;
}
init_dwarf_regnames (elf_header.e_machine);
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 == SHN_UNDEF)
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 & 0xffff))
printf (" (%u)", section_headers[0].sh_link);
else if (elf_header.e_shstrndx != SHN_UNDEF
&& elf_header.e_shstrndx >= elf_header.e_shnum)
printf (" <corrupt: out of range>");
putc ('\n', stdout);
}
if (section_headers != NULL)
{
if (elf_header.e_shnum == SHN_UNDEF)
elf_header.e_shnum = section_headers[0].sh_size;
if (elf_header.e_shstrndx == (SHN_XINDEX & 0xffff))
elf_header.e_shstrndx = section_headers[0].sh_link;
else if (elf_header.e_shstrndx >= elf_header.e_shnum)
elf_header.e_shstrndx = SHN_UNDEF;
free (section_headers);
section_headers = NULL;
}
return 1;
}
static int
get_32bit_program_headers (FILE * file, Elf_Internal_Phdr * program_headers)
{
Elf32_External_Phdr * phdrs;
Elf32_External_Phdr * external;
Elf_Internal_Phdr * internal;
unsigned int i;
phdrs = 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 * file, Elf_Internal_Phdr * program_headers)
{
Elf64_External_Phdr * phdrs;
Elf64_External_Phdr * external;
Elf_Internal_Phdr * internal;
unsigned int i;
phdrs = 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_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_align = BYTE_GET (external->p_align);
}
free (phdrs);
return 1;
}
/* Returns 1 if the program headers were read into `program_headers'. */
static int
get_program_headers (FILE * file)
{
Elf_Internal_Phdr * phdrs;
/* Check cache of prior read. */
if (program_headers != NULL)
return 1;
phdrs = cmalloc (elf_header.e_phnum, sizeof (Elf_Internal_Phdr));
if (phdrs == NULL)
{
error (_("Out of memory\n"));
return 0;
}
if (is_32bit_elf
? get_32bit_program_headers (file, phdrs)
: get_64bit_program_headers (file, phdrs))
{
program_headers = phdrs;
return 1;
}
free (phdrs);
return 0;
}
/* Returns 1 if the program headers were loaded. */
static int
process_program_headers (FILE * file)
{
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 0;
}
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");
}
if (! get_program_headers (file))
return 0;
if (do_segments)
{
if (elf_header.e_phnum > 1)
printf (_("\nProgram Headers:\n"));
else
printf (_("\nProgram Headers:\n"));
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"));
}
}
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_DYNAMIC:
if (dynamic_addr)
error (_("more than one dynamic segment\n"));
/* By default, assume that the .dynamic section is the first
section in the DYNAMIC segment. */
dynamic_addr = segment->p_offset;
dynamic_size = segment->p_filesz;
/* Try to locate the .dynamic section. If there is
a section header table, we can easily locate it. */
if (section_headers != NULL)
{
Elf_Internal_Shdr * sec;
sec = find_section (".dynamic");
if (sec == NULL || sec->sh_size == 0)
{
error (_("no .dynamic section in the dynamic segment\n"));
break;
}
if (sec->sh_type == SHT_NOBITS)
{
dynamic_size = 0;
break;
}
dynamic_addr = sec->sh_offset;
dynamic_size = sec->sh_size;
if (dynamic_addr < segment->p_offset
|| dynamic_addr > segment->p_offset + segment->p_filesz)
warn (_("the .dynamic section is not contained"
" within the dynamic segment\n"));
else if (dynamic_addr > segment->p_offset)
warn (_("the .dynamic section is not the first section"
" in the dynamic segment.\n"));
}
break;
case PT_INTERP:
if (fseek (file, archive_file_offset + (long) segment->p_offset,
SEEK_SET))
error (_("Unable to find program interpreter name\n"));
else
{
char fmt [32];
int ret = snprintf (fmt, sizeof (fmt), "%%%ds", PATH_MAX);
if (ret >= (int) sizeof (fmt) || ret < 0)
error (_("Internal error: failed to create format string to display program interpreter\n"));
program_interpreter[0] = 0;
if (fscanf (file, fmt, program_interpreter) <= 0)
error (_("Unable to read program interpreter name\n"));
if (do_segments)
printf (_("\n [Requesting program interpreter: %s]"),
program_interpreter);
}
break;
}
if (do_segments)
putc ('\n', stdout);
}
if (do_segments && section_headers != NULL && string_table != NULL)
{
printf (_("\n Section to Segment mapping:\n"));
printf (_(" Segment Sections...\n"));
for (i = 0; i < elf_header.e_phnum; i++)
{
unsigned int j;
Elf_Internal_Shdr * section;
segment = program_headers + i;
section = section_headers + 1;
printf (" %2.2d ", i);
for (j = 1; j < elf_header.e_shnum; j++, section++)
{
if (ELF_IS_SECTION_IN_SEGMENT_MEMORY (section, segment))
printf ("%s ", SECTION_NAME (section));
}
putc ('\n',stdout);
}
}
return 1;
}
/* Find the file offset corresponding to VMA by using the program headers. */
static long
offset_from_vma (FILE * file, bfd_vma vma, bfd_size_type size)
{
Elf_Internal_Phdr * seg;
if (! get_program_headers (file))
{
warn (_("Cannot interpret virtual addresses without program headers.\n"));
return (long) vma;
}
for (seg = program_headers;
seg < program_headers + elf_header.e_phnum;
++seg)
{
if (seg->p_type != PT_LOAD)
continue;
if (vma >= (seg->p_vaddr & -seg->p_align)
&& vma + size <= seg->p_vaddr + seg->p_filesz)
return vma - seg->p_vaddr + seg->p_offset;
}
warn (_("Virtual address 0x%lx not located in any PT_LOAD segment.\n"),
(unsigned long) vma);
return (long) vma;
}
static int
get_32bit_section_headers (FILE * file, unsigned int num)
{
Elf32_External_Shdr * shdrs;
Elf_Internal_Shdr * internal;
unsigned int i;
shdrs = get_data (NULL, file, elf_header.e_shoff,
elf_header.e_shentsize, num, _("section headers"));
if (!shdrs)
return 0;
section_headers = cmalloc (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 * file, unsigned int num)
{
Elf64_External_Shdr * shdrs;
Elf_Internal_Shdr * internal;
unsigned int i;
shdrs = get_data (NULL, file, elf_header.e_shoff,
elf_header.e_shentsize, num, _("section headers"));
if (!shdrs)
return 0;
section_headers = cmalloc (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_size = BYTE_GET (shdrs[i].sh_size);
internal->sh_entsize = BYTE_GET (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 * 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 = get_data (NULL, file, section->sh_offset, 1, section->sh_size,
_("symbols"));
if (!esyms)
return NULL;
shndx = NULL;
if (symtab_shndx_hdr != NULL
&& (symtab_shndx_hdr->sh_link
== (unsigned long) (section - section_headers)))
{
shndx = get_data (NULL, file, symtab_shndx_hdr->sh_offset,
1, symtab_shndx_hdr->sh_size, _("symtab shndx"));
if (!shndx)
{
free (esyms);
return NULL;
}
}
number = section->sh_size / section->sh_entsize;
isyms = cmalloc (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 & 0xffff) && shndx != NULL)
psym->st_shndx
= byte_get ((unsigned char *) &shndx[j], sizeof (shndx[j]));
else if (psym->st_shndx >= (SHN_LORESERVE & 0xffff))
psym->st_shndx += SHN_LORESERVE - (SHN_LORESERVE & 0xffff);
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 * 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 = get_data (NULL, file, section->sh_offset, 1, section->sh_size,
_("symbols"));
if (!esyms)
return NULL;
shndx = NULL;
if (symtab_shndx_hdr != NULL
&& (symtab_shndx_hdr->sh_link
== (unsigned long) (section - section_headers)))
{
shndx = get_data (NULL, file, symtab_shndx_hdr->sh_offset,
1, symtab_shndx_hdr->sh_size, _("symtab shndx"));
if (!shndx)
{
free (esyms);
return NULL;
}
}
number = section->sh_size / section->sh_entsize;
isyms = cmalloc (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 & 0xffff) && shndx != NULL)
psym->st_shndx
= byte_get ((unsigned char *) &shndx[j], sizeof (shndx[j]));
else if (psym->st_shndx >= (SHN_LORESERVE & 0xffff))
psym->st_shndx += SHN_LORESERVE - (SHN_LORESERVE & 0xffff);
psym->st_value = BYTE_GET (esyms[j].st_value);
psym->st_size = BYTE_GET (esyms[j].st_size);
}
if (shndx)
free (shndx);
free (esyms);
return isyms;
}
static const char *
get_elf_section_flags (bfd_vma sh_flags)
{
static char buff[1024];
char * p = buff;
int field_size = is_32bit_elf ? 8 : 16;
int index, size = sizeof (buff) - (field_size + 4 + 1);
bfd_vma os_flags = 0;
bfd_vma proc_flags = 0;
bfd_vma unknown_flags = 0;
static const struct
{
const char * str;
int len;
}
flags [] =
{
{ "WRITE", 5 },
{ "ALLOC", 5 },
{ "EXEC", 4 },
{ "MERGE", 5 },
{ "STRINGS", 7 },
{ "INFO LINK", 9 },
{ "LINK ORDER", 10 },
{ "OS NONCONF", 10 },
{ "GROUP", 5 },
{ "TLS", 3 },
/* IA-64 specific. */
{ "SHORT", 5 },
{ "NORECOV", 7 },
/* IA-64 OpenVMS specific. */
{ "VMS_GLOBAL", 10 },
{ "VMS_OVERLAID", 12 },
{ "VMS_SHARED", 10 },
{ "VMS_VECTOR", 10 },
{ "VMS_ALLOC_64BIT", 15 },
{ "VMS_PROTECTED", 13}
};
if (do_section_details)
{
sprintf (buff, "[%*.*lx]: ",
field_size, field_size, (unsigned long) sh_flags);
p += field_size + 4;
}
while (sh_flags)
{
bfd_vma flag;
flag = sh_flags & - sh_flags;
sh_flags &= ~ flag;
if (do_section_details)
{
switch (flag)
{
case SHF_WRITE: index = 0; break;
case SHF_ALLOC: index = 1; break;
case SHF_EXECINSTR: index = 2; break;
case SHF_MERGE: index = 3; break;
case SHF_STRINGS: index = 4; break;
case SHF_INFO_LINK: index = 5; break;
case SHF_LINK_ORDER: index = 6; break;
case SHF_OS_NONCONFORMING: index = 7; break;
case SHF_GROUP: index = 8; break;
case SHF_TLS: index = 9; break;
default:
index = -1;
if (elf_header.e_machine == EM_IA_64)
{
if (flag == SHF_IA_64_SHORT)
index = 10;
else if (flag == SHF_IA_64_NORECOV)
index = 11;
#ifdef BFD64
else if (elf_header.e_ident[EI_OSABI] == ELFOSABI_OPENVMS)
switch (flag)
{
case SHF_IA_64_VMS_GLOBAL: index = 12; break;
case SHF_IA_64_VMS_OVERLAID: index = 13; break;
case SHF_IA_64_VMS_SHARED: index = 14; break;
case SHF_IA_64_VMS_VECTOR: index = 15; break;
case SHF_IA_64_VMS_ALLOC_64BIT: index = 16; break;
case SHF_IA_64_VMS_PROTECTED: index = 17; break;
default: break;
}
#endif
}
break;
}
if (index != -1)
{
if (p != buff + field_size + 4)
{
if (size < (10 + 2))
abort ();
size -= 2;
*p++ = ',';
*p++ = ' ';
}
size -= flags [index].len;
p = stpcpy (p, flags [index].str);
}
else if (flag & SHF_MASKOS)
os_flags |= flag;
else if (flag & SHF_MASKPROC)
proc_flags |= flag;
else
unknown_flags |= flag;
}
else
{
switch (flag)
{
case SHF_WRITE: *p = 'W'; break;
case SHF_ALLOC: *p = 'A'; break;
case SHF_EXECINSTR: *p = 'X'; break;
case SHF_MERGE: *p = 'M'; break;
case SHF_STRINGS: *p = 'S'; break;
case SHF_INFO_LINK: *p = 'I'; break;
case SHF_LINK_ORDER: *p = 'L'; break;
case SHF_OS_NONCONFORMING: *p = 'O'; break;
case SHF_GROUP: *p = 'G'; break;
case SHF_TLS: *p = 'T'; break;
default:
if (elf_header.e_machine == EM_X86_64
&& flag == SHF_X86_64_LARGE)
*p = 'l';
else if (flag & SHF_MASKOS)
{
*p = 'o';
sh_flags &= ~ SHF_MASKOS;
}
else if (flag & SHF_MASKPROC)
{
*p = 'p';
sh_flags &= ~ SHF_MASKPROC;
}
else
*p = 'x';
break;
}
p++;
}
}
if (do_section_details)
{
if (os_flags)
{
size -= 5 + field_size;
if (p != buff + field_size + 4)
{
if (size < (2 + 1))
abort ();
size -= 2;
*p++ = ',';
*p++ = ' ';
}
sprintf (p, "OS (%*.*lx)", field_size, field_size,
(unsigned long) os_flags);
p += 5 + field_size;
}
if (proc_flags)
{
size -= 7 + field_size;
if (p != buff + field_size + 4)
{
if (size < (2 + 1))
abort ();
size -= 2;
*p++ = ',';
*p++ = ' ';
}
sprintf (p, "PROC (%*.*lx)", field_size, field_size,
(unsigned long) proc_flags);
p += 7 + field_size;
}
if (unknown_flags)
{
size -= 10 + field_size;
if (p != buff + field_size + 4)
{
if (size < (2 + 1))
abort ();
size -= 2;
*p++ = ',';
*p++ = ' ';
}
sprintf (p, "UNKNOWN (%*.*lx)", field_size, field_size,
(unsigned long) unknown_flags);
p += 10 + field_size;
}
}
*p = '\0';
return buff;
}
static int
process_section_headers (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. */
if (elf_header.e_shstrndx != SHN_UNDEF
&& elf_header.e_shstrndx < elf_header.e_shnum)
{
section = section_headers + elf_header.e_shstrndx;
if (section->sh_size != 0)
{
string_table = get_data (NULL, file, section->sh_offset,
1, section->sh_size, _("string table"));
string_table_length = string_table != NULL ? section->sh_size : 0;
}
}
/* Scan the sections for the dynamic symbol table
and dynamic string table and debug sections. */
dynamic_symbols = NULL;
dynamic_strings = NULL;
dynamic_syminfo = NULL;
symtab_shndx_hdr = NULL;
eh_addr_size = is_32bit_elf ? 4 : 8;
switch (elf_header.e_machine)
{
case EM_MIPS:
case EM_MIPS_RS3_LE:
/* The 64-bit MIPS EABI uses a combination of 32-bit ELF and 64-bit
FDE addresses. However, the ABI also has a semi-official ILP32
variant for which the normal FDE address size rules apply.
GCC 4.0 marks EABI64 objects with a dummy .gcc_compiled_longXX
section, where XX is the size of longs in bits. Unfortunately,
earlier compilers provided no way of distinguishing ILP32 objects
from LP64 objects, so if there's any doubt, we should assume that
the official LP64 form is being used. */
if ((elf_header.e_flags & EF_MIPS_ABI) == E_MIPS_ABI_EABI64
&& find_section (".gcc_compiled_long32") == NULL)
eh_addr_size = 8;
break;
case EM_H8_300:
case EM_H8_300H:
switch (elf_header.e_flags & EF_H8_MACH)
{
case E_H8_MACH_H8300:
case E_H8_MACH_H8300HN:
case E_H8_MACH_H8300SN:
case E_H8_MACH_H8300SXN:
eh_addr_size = 2;
break;
case E_H8_MACH_H8300H:
case E_H8_MACH_H8300S:
case E_H8_MACH_H8300SX:
eh_addr_size = 4;
break;
}
break;
case EM_M32C_OLD:
case EM_M32C:
switch (elf_header.e_flags & EF_M32C_CPU_MASK)
{
case EF_M32C_CPU_M16C:
eh_addr_size = 2;
break;
}
break;
}
#define CHECK_ENTSIZE_VALUES(section, i, size32, size64) \
do \
{ \
size_t expected_entsize \
= is_32bit_elf ? size32 : size64; \
if (section->sh_entsize != expected_entsize) \
error (_("Section %d has invalid sh_entsize %lx (expected %lx)\n"), \
i, (unsigned long int) section->sh_entsize, \
(unsigned long int) expected_entsize); \
section->sh_entsize = expected_entsize; \
} \
while (0)
#define CHECK_ENTSIZE(section, i, type) \
CHECK_ENTSIZE_VALUES (section, i, sizeof (Elf32_External_##type), \
sizeof (Elf64_External_##type))
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;
}
CHECK_ENTSIZE (section, i, Sym);
num_dynamic_syms = section->sh_size / section->sh_entsize;
dynamic_symbols = GET_ELF_SYMBOLS (file, section);
}
else if (section->sh_type == SHT_STRTAB
&& streq (name, ".dynstr"))
{
if (dynamic_strings != NULL)
{
error (_("File contains multiple dynamic string tables\n"));
continue;
}
dynamic_strings = get_data (NULL, file, section->sh_offset,
1, section->sh_size, _("dynamic strings"));
dynamic_strings_length = section->sh_size;
}
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 (section->sh_type == SHT_SYMTAB)
CHECK_ENTSIZE (section, i, Sym);
else if (section->sh_type == SHT_GROUP)
CHECK_ENTSIZE_VALUES (section, i, GRP_ENTRY_SIZE, GRP_ENTRY_SIZE);
else if (section->sh_type == SHT_REL)
CHECK_ENTSIZE (section, i, Rel);
else if (section->sh_type == SHT_RELA)
CHECK_ENTSIZE (section, i, Rela);
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 || do_debug_loc || do_debug_ranges)
&& (const_strneq (name, ".debug_")
|| const_strneq (name, ".zdebug_")))
{
if (name[1] == 'z')
name += sizeof (".zdebug_") - 1;
else
name += sizeof (".debug_") - 1;
if (do_debugging
|| (do_debug_info && streq (name, "info"))
|| (do_debug_abbrevs && streq (name, "abbrev"))
|| (do_debug_lines && streq (name, "line"))
|| (do_debug_pubnames && streq (name, "pubnames"))
|| (do_debug_aranges && streq (name, "aranges"))
|| (do_debug_ranges && streq (name, "ranges"))
|| (do_debug_frames && streq (name, "frame"))
|| (do_debug_macinfo && streq (name, "macinfo"))
|| (do_debug_str && streq (name, "str"))
|| (do_debug_loc && streq (name, "loc"))
)
request_dump_bynumber (i, DEBUG_DUMP);
}
/* Linkonce section to be combined with .debug_info at link time. */
else if ((do_debugging || do_debug_info)
&& const_strneq (name, ".gnu.linkonce.wi."))
request_dump_bynumber (i, DEBUG_DUMP);
else if (do_debug_frames && streq (name, ".eh_frame"))
request_dump_bynumber (i, DEBUG_DUMP);
}
if (! do_sections)
return 1;
if (elf_header.e_shnum > 1)
printf (_("\nSection Headers:\n"));
else
printf (_("\nSection Header:\n"));
if (is_32bit_elf)
{
if (do_section_details)
{
printf (_(" [Nr] Name\n"));
printf (_(" Type Addr Off Size ES Lk Inf Al\n"));
}
else
printf
(_(" [Nr] Name Type Addr Off Size ES Flg Lk Inf Al\n"));
}
else if (do_wide)
{
if (do_section_details)
{
printf (_(" [Nr] Name\n"));
printf (_(" Type Address Off Size ES Lk Inf Al\n"));
}
else
printf
(_(" [Nr] Name Type Address Off Size ES Flg Lk Inf Al\n"));
}
else
{
if (do_section_details)
{
printf (_(" [Nr] Name\n"));
printf (_(" Type Address Offset Link\n"));
printf (_(" Size EntSize Info Align\n"));
}
else
{
printf (_(" [Nr] Name Type Address Offset\n"));
printf (_(" Size EntSize Flags Link Info Align\n"));
}
}
if (do_section_details)
printf (_(" Flags\n"));
for (i = 0, section = section_headers;
i < elf_header.e_shnum;
i++, section++)
{
if (do_section_details)
{
printf (" [%2u] %s\n",
i,
SECTION_NAME (section));
if (is_32bit_elf || do_wide)
printf (" %-15.15s ",
get_section_type_name (section->sh_type));
}
else
printf ((do_wide ? " [%2u] %-17s %-15s "
: " [%2u] %-17.17s %-15.15s "),
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);
if (do_section_details)
fputs (" ", stdout);
else
printf (" %3s ", get_elf_section_flags (section->sh_flags));
printf ("%2u %3u %2lu\n",
section->sh_link,
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);
}
if (do_section_details)
fputs (" ", stdout);
else
printf (" %3s ", get_elf_section_flags (section->sh_flags));
printf ("%2u %3u ", section->sh_link, section->sh_info);
if ((unsigned long) section->sh_addralign == section->sh_addralign)
printf ("%2lu\n", (unsigned long) section->sh_addralign);
else
{
print_vma (section->sh_addralign, DEC);
putchar ('\n');
}
}
else if (do_section_details)
{
printf (" %-15.15s ",
get_section_type_name (section->sh_type));
print_vma (section->sh_addr, LONG_HEX);
if ((long) section->sh_offset == section->sh_offset)
printf (" %16.16lx", (unsigned long) section->sh_offset);
else
{
printf (" ");
print_vma (section->sh_offset, LONG_HEX);
}
printf (" %u\n ", section->sh_link);
print_vma (section->sh_size, LONG_HEX);
putchar (' ');
print_vma (section->sh_entsize, LONG_HEX);
printf (" %-16u %lu\n",
section->sh_info,
(unsigned long) section->sh_addralign);
}
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 (" %2u %3u %lu\n",
section->sh_link,
section->sh_info,
(unsigned long) section->sh_addralign);
}
if (do_section_details)
printf (" %s\n", get_elf_section_flags (section->sh_flags));
}
if (!do_section_details)
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;
}
static const char *
get_group_flags (unsigned int flags)
{
static char buff[32];
switch (flags)
{
case GRP_COMDAT:
return "COMDAT";
default:
snprintf (buff, sizeof (buff), _("[<unknown>: 0x%x]"), flags);
break;
}
return buff;
}
static int
process_section_groups (FILE * file)
{
Elf_Internal_Shdr * section;
unsigned int i;
struct group * group;
Elf_Internal_Shdr * symtab_sec;
Elf_Internal_Shdr * strtab_sec;
Elf_Internal_Sym * symtab;
char * strtab;
size_t strtab_size;
/* Don't process section groups unless needed. */
if (!do_unwind && !do_section_groups)
return 1;
if (elf_header.e_shnum == 0)
{
if (do_section_groups)
printf (_("\nThere are no sections in this file.\n"));
return 1;
}
if (section_headers == NULL)
{
error (_("Section headers are not available!\n"));
abort ();
}
section_headers_groups = calloc (elf_header.e_shnum,
sizeof (struct group *));
if (section_headers_groups == NULL)
{
error (_("Out of memory\n"));
return 0;
}
/* Scan the sections for the group section. */
group_count = 0;
for (i = 0, section = section_headers;
i < elf_header.e_shnum;
i++, section++)
if (section->sh_type == SHT_GROUP)
group_count++;
if (group_count == 0)
{
if (do_section_groups)
printf (_("\nThere are no section groups in this file.\n"));
return 1;
}
section_groups = calloc (group_count, sizeof (struct group));
if (section_groups == NULL)
{
error (_("Out of memory\n"));
return 0;
}
symtab_sec = NULL;
strtab_sec = NULL;
symtab = NULL;
strtab = NULL;
strtab_size = 0;
for (i = 0, section = section_headers, group = section_groups;
i < elf_header.e_shnum;
i++, section++)
{
if (section->sh_type == SHT_GROUP)
{
char * name = SECTION_NAME (section);
char * group_name;
unsigned char * start;
unsigned char * indices;
unsigned int entry, j, size;
Elf_Internal_Shdr * sec;
Elf_Internal_Sym * sym;
/* Get the symbol table. */
if (section->sh_link >= elf_header.e_shnum
|| ((sec = section_headers + section->sh_link)->sh_type
!= SHT_SYMTAB))
{
error (_("Bad sh_link in group section `%s'\n"), name);
continue;
}
if (symtab_sec != sec)
{
symtab_sec = sec;
if (symtab)
free (symtab);
symtab = GET_ELF_SYMBOLS (file, symtab_sec);
}
sym = symtab + section->sh_info;
if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
{
if (sym->st_shndx == 0
|| sym->st_shndx >= elf_header.e_shnum)
{
error (_("Bad sh_info in group section `%s'\n"), name);
continue;
}
group_name = SECTION_NAME (section_headers + sym->st_shndx);
strtab_sec = NULL;
if (strtab)
free (strtab);
strtab = NULL;
strtab_size = 0;
}
else
{
/* Get the string table. */
if (symtab_sec->sh_link >= elf_header.e_shnum)
{
strtab_sec = NULL;
if (strtab)
free (strtab);
strtab = NULL;
strtab_size = 0;
}
else if (strtab_sec
!= (sec = section_headers + symtab_sec->sh_link))
{
strtab_sec = sec;
if (strtab)
free (strtab);
strtab = get_data (NULL, file, strtab_sec->sh_offset,
1, strtab_sec->sh_size,
_("string table"));
strtab_size = strtab != NULL ? strtab_sec->sh_size : 0;
}
group_name = sym->st_name < strtab_size
? strtab + sym->st_name : "<corrupt>";
}
start = get_data (NULL, file, section->sh_offset,
1, section->sh_size, _("section data"));
indices = start;
size = (section->sh_size / section->sh_entsize) - 1;
entry = byte_get (indices, 4);
indices += 4;
if (do_section_groups)
{
printf ("\n%s group section [%5u] `%s' [%s] contains %u sections:\n",
get_group_flags (entry), i, name, group_name, size);
printf (_(" [Index] Name\n"));
}
group->group_index = i;
for (j = 0; j < size; j++)
{
struct group_list * g;
entry = byte_get (indices, 4);
indices += 4;
if (entry >= elf_header.e_shnum)
{
error (_("section [%5u] in group section [%5u] > maximum section [%5u]\n"),
entry, i, elf_header.e_shnum - 1);
continue;
}
if (section_headers_groups [entry] != NULL)
{
if (entry)
{
error (_("section [%5u] in group section [%5u] already in group section [%5u]\n"),
entry, i,
section_headers_groups [entry]->group_index);
continue;
}
else
{
/* Intel C/C++ compiler may put section 0 in a
section group. We just warn it the first time
and ignore it afterwards. */
static int warned = 0;
if (!warned)
{
error (_("section 0 in group section [%5u]\n"),
section_headers_groups [entry]->group_index);
warned++;
}
}
}
section_headers_groups [entry] = group;
if (do_section_groups)
{
sec = section_headers + entry;
printf (" [%5u] %s\n", entry, SECTION_NAME (sec));
}
g = xmalloc (sizeof (struct group_list));
g->section_index = entry;
g->next = group->root;
group->root = g;
}
if (start)
free (start);
group++;
}
}
if (symtab)
free (symtab);
if (strtab)
free (strtab);
return 1;
}
static struct
{
const char * name;
int reloc;
int size;
int rela;
} dynamic_relocations [] =
{
{ "REL", DT_REL, DT_RELSZ, FALSE },
{ "RELA", DT_RELA, DT_RELASZ, TRUE },
{ "PLT", DT_JMPREL, DT_PLTRELSZ, UNKNOWN }
};
/* Process the reloc section. */
static int
process_relocs (FILE * file)
{
unsigned long rel_size;
unsigned long rel_offset;
if (!do_reloc)
return 1;
if (do_using_dynamic)
{
int is_rela;
const char * name;
int has_dynamic_reloc;
unsigned int i;
has_dynamic_reloc = 0;
for (i = 0; i < ARRAY_SIZE (dynamic_relocations); i++)
{
is_rela = dynamic_relocations [i].rela;
name = dynamic_relocations [i].name;
rel_size = dynamic_info [dynamic_relocations [i].size];
rel_offset = dynamic_info [dynamic_relocations [i].reloc];
has_dynamic_reloc |= rel_size;
if (is_rela == UNKNOWN)
{
if (dynamic_relocations [i].reloc == DT_JMPREL)
switch (dynamic_info[DT_PLTREL])
{
case DT_REL:
is_rela = FALSE;
break;
case DT_RELA:
is_rela = TRUE;
break;
}
}
if (rel_size)
{
printf
(_("\n'%s' relocation section at offset 0x%lx contains %ld bytes:\n"),
name, rel_offset, rel_size);
dump_relocations (file,
offset_from_vma (file, rel_offset, rel_size),
rel_size,
dynamic_symbols, num_dynamic_syms,
dynamic_strings, dynamic_strings_length, is_rela);
}
}
if (! has_dynamic_reloc)
printf (_("\nThere are no dynamic relocations in this file.\n"));
}
else
{
Elf_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)
{
Elf_Internal_Shdr * strsec;
int is_rela;
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));
is_rela = section->sh_type == SHT_RELA;
if (section->sh_link != 0
&& section->sh_link < elf_header.e_shnum)
{
Elf_Internal_Shdr * symsec;
Elf_Internal_Sym * symtab;
unsigned long nsyms;
unsigned long strtablen = 0;
char * strtab = NULL;
symsec = section_headers + section->sh_link;
if (symsec->sh_type != SHT_SYMTAB
&& symsec->sh_type != SHT_DYNSYM)
continue;
nsyms = symsec->sh_size / symsec->sh_entsize;
symtab = GET_ELF_SYMBOLS (file, symsec);
if (symtab == NULL)
continue;
if (symsec->sh_link != 0
&& symsec->sh_link < elf_header.e_shnum)
{
strsec = section_headers + symsec->sh_link;
strtab = get_data (NULL, file, strsec->sh_offset,
1, strsec->sh_size,
_("string table"));
strtablen = strtab == NULL ? 0 : strsec->sh_size;
}
dump_relocations (file, rel_offset, rel_size,
symtab, nsyms, strtab, strtablen, is_rela);
if (strtab)
free (strtab);
free (symtab);
}
else
dump_relocations (file, rel_offset, rel_size,
NULL, 0, NULL, 0, is_rela);
found = 1;
}
}
if (! found)
printf (_("\nThere are no relocations in this file.\n"));
}
return 1;
}
/* Process the unwind section. */
#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;
};
#define ABSADDR(a) \
((a).section \
? section_headers [(a).section].sh_addr + (a).offset \
: (a).offset)
struct ia64_unw_aux_info
{
struct ia64_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 (Elf_Internal_Sym * symtab,
unsigned long nsyms,
const char * strtab,
unsigned long strtab_size,
struct absaddr addr,
const char ** symname,
bfd_vma * offset)
{
bfd_vma dist = 0x100000;
Elf_Internal_Sym * sym;
Elf_Internal_Sym * best = NULL;
unsigned long i;
for (i = 0, sym = symtab; i < 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 >= strtab_size
? "<corrupt>" : strtab + best->st_name);
*offset = dist;
return;
}
*symname = NULL;
*offset = addr.offset;
}
static void
dump_ia64_unwind (struct ia64_unw_aux_info * aux)
{
struct ia64_unw_table_entry * tp;
int in_body;
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->symtab, aux->nsyms, aux->strtab,
aux->strtab_size, 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 + (ABSADDR (tp->info) - aux->info_addr);
stamp = byte_get ((unsigned char *) head, sizeof (stamp));
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) (eh_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 + eh_addr_size * UNW_LENGTH (stamp);)
dp = unw_decode (dp, in_body, & in_body);
}
}
static int
slurp_ia64_unwind_table (FILE * file,
struct ia64_unw_aux_info * aux,
Elf_Internal_Shdr * sec)
{
unsigned long size, nrelas, i;
Elf_Internal_Phdr * seg;
struct ia64_unw_table_entry * tep;
Elf_Internal_Shdr * relsec;
Elf_Internal_Rela * rela;
Elf_Internal_Rela * rp;
unsigned char * table;
unsigned char * tp;
Elf_Internal_Sym * sym;
const char * relname;
/* First, find the starting address of the segment that includes
this section: */
if (elf_header.e_phnum)
{
if (! get_program_headers (file))
return 0;
for (seg = program_headers;
seg < program_headers + 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;
}
}
}
/* Second, build the unwind table from the contents of the unwind section: */
size = sec->sh_size;
table = get_data (NULL, file, sec->sh_offset, 1, size, _("unwind table"));
if (!table)
return 0;
aux->table = xcmalloc (size / (3 * eh_addr_size), sizeof (aux->table[0]));
tep = aux->table;
for (tp = table; tp < table + size; ++tep)
{
tep->start.section = SHN_UNDEF;
tep->end.section = SHN_UNDEF;
tep->info.section = SHN_UNDEF;
tep->start.offset = byte_get (tp, eh_addr_size); tp += eh_addr_size;
tep->end.offset = byte_get (tp, eh_addr_size); tp += eh_addr_size;
tep->info.offset = byte_get (tp, eh_addr_size); tp += eh_addr_size;
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
|| relsec->sh_info >= elf_header.e_shnum
|| section_headers + 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)
{
relname = elf_ia64_reloc_type (get_reloc_type (rp->r_info));
sym = aux->symtab + get_reloc_symindex (rp->r_info);
if (! const_strneq (relname, "R_IA64_SEGREL"))
{
warn (_("Skipping unexpected relocation type %s\n"), relname);
continue;
}
i = rp->r_offset / (3 * eh_addr_size);
switch (rp->r_offset/eh_addr_size % 3)
{
case 0:
aux->table[i].start.section = sym->st_shndx;
aux->table[i].start.offset += rp->r_addend + sym->st_value;
break;
case 1:
aux->table[i].end.section = sym->st_shndx;
aux->table[i].end.offset += rp->r_addend + sym->st_value;
break;
case 2:
aux->table[i].info.section = sym->st_shndx;
aux->table[i].info.offset += rp->r_addend + sym->st_value;
break;
default:
break;
}
}
free (rela);
}
aux->table_len = size / (3 * eh_addr_size);
return 1;
}
static int
ia64_process_unwind (FILE * file)
{
Elf_Internal_Shdr * sec;
Elf_Internal_Shdr * unwsec = NULL;
Elf_Internal_Shdr * strsec;
unsigned long i, unwcount = 0, unwstart = 0;
struct ia64_unw_aux_info aux;
memset (& aux, 0, sizeof (aux));
for (i = 0, sec = section_headers; i < elf_header.e_shnum; ++i, ++sec)
{
if (sec->sh_type == SHT_SYMTAB
&& sec->sh_link < elf_header.e_shnum)
{
aux.nsyms = sec->sh_size / sec->sh_entsize;
aux.symtab = GET_ELF_SYMBOLS (file, sec);
strsec = section_headers + sec->sh_link;
aux.strtab = get_data (NULL, file, strsec->sh_offset,
1, strsec->sh_size, _("string table"));
aux.strtab_size = aux.strtab != NULL ? strsec->sh_size : 0;
}
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 ((unwsec->sh_flags & SHF_GROUP) != 0)
{
/* We need to find which section group it is in. */
struct group_list * g = section_headers_groups [i]->root;
for (; g != NULL; g = g->next)
{
sec = section_headers + g->section_index;
if (streq (SECTION_NAME (sec), ELF_STRING_ia64_unwind_info))
break;
}
if (g == NULL)
i = elf_header.e_shnum;
}
else if (strneq (SECTION_NAME (unwsec), ELF_STRING_ia64_unwind_once, len))
{
/* .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 (strneq (SECTION_NAME (sec), ELF_STRING_ia64_unwind_info_once, len2)
&& streq (SECTION_NAME (sec) + len2, suffix))
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 (strneq (SECTION_NAME (unwsec), ELF_STRING_ia64_unwind, len))
suffix = SECTION_NAME (unwsec) + len;
for (i = 0, sec = section_headers; i < elf_header.e_shnum;
++i, ++sec)
if (strneq (SECTION_NAME (sec), ELF_STRING_ia64_unwind_info, len2)
&& streq (SECTION_NAME (sec) + len2, suffix))
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 = get_data (NULL, file, sec->sh_offset, 1, 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 * eh_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;
}
struct hppa_unw_aux_info
{
struct hppa_unw_table_entry
{
struct absaddr start;
struct absaddr end;
unsigned int Cannot_unwind:1; /* 0 */
unsigned int Millicode:1; /* 1 */
unsigned int Millicode_save_sr0:1; /* 2 */
unsigned int Region_description:2; /* 3..4 */
unsigned int reserved1:1; /* 5 */
unsigned int Entry_SR:1; /* 6 */
unsigned int Entry_FR:4; /* number saved */ /* 7..10 */
unsigned int Entry_GR:5; /* number saved */ /* 11..15 */
unsigned int Args_stored:1; /* 16 */
unsigned int Variable_Frame:1; /* 17 */
unsigned int Separate_Package_Body:1; /* 18 */
unsigned int Frame_Extension_Millicode:1; /* 19 */
unsigned int Stack_Overflow_Check:1; /* 20 */
unsigned int Two_Instruction_SP_Increment:1; /* 21 */
unsigned int Ada_Region:1; /* 22 */
unsigned int cxx_info:1; /* 23 */
unsigned int cxx_try_catch:1; /* 24 */
unsigned int sched_entry_seq:1; /* 25 */
unsigned int reserved2:1; /* 26 */
unsigned int Save_SP:1; /* 27 */
unsigned int Save_RP:1; /* 28 */
unsigned int Save_MRP_in_frame:1; /* 29 */
unsigned int extn_ptr_defined:1; /* 30 */
unsigned int Cleanup_defined:1; /* 31 */
unsigned int MPE_XL_interrupt_marker:1; /* 0 */
unsigned int HP_UX_interrupt_marker:1; /* 1 */
unsigned int Large_frame:1; /* 2 */
unsigned int Pseudo_SP_Set:1; /* 3 */
unsigned int reserved4:1; /* 4 */
unsigned int Total_frame_size:27; /* 5..31 */
}
*table; /* Unwind table. */
unsigned long table_len; /* Length of unwind table. */
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
dump_hppa_unwind (struct hppa_unw_aux_info * aux)
{
struct hppa_unw_table_entry * tp;
for (tp = aux->table; tp < aux->table + aux->table_len; ++tp)
{
bfd_vma offset;
const char * procname;
find_symbol_for_address (aux->symtab, aux->nsyms, aux->strtab,
aux->strtab_size, 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 ("]\n\t");
#define PF(_m) if (tp->_m) printf (#_m " ");
#define PV(_m) if (tp->_m) printf (#_m "=%d ", tp->_m);
PF(Cannot_unwind);
PF(Millicode);
PF(Millicode_save_sr0);
/* PV(Region_description); */
PF(Entry_SR);
PV(Entry_FR);
PV(Entry_GR);
PF(Args_stored);
PF(Variable_Frame);
PF(Separate_Package_Body);
PF(Frame_Extension_Millicode);
PF(Stack_Overflow_Check);
PF(Two_Instruction_SP_Increment);
PF(Ada_Region);
PF(cxx_info);
PF(cxx_try_catch);
PF(sched_entry_seq);
PF(Save_SP);
PF(Save_RP);
PF(Save_MRP_in_frame);
PF(extn_ptr_defined);
PF(Cleanup_defined);
PF(MPE_XL_interrupt_marker);
PF(HP_UX_interrupt_marker);
PF(Large_frame);
PF(Pseudo_SP_Set);
PV(Total_frame_size);
#undef PF
#undef PV
}
printf ("\n");
}
static int
slurp_hppa_unwind_table (FILE * file,
struct hppa_unw_aux_info * aux,
Elf_Internal_Shdr * sec)
{
unsigned long size, unw_ent_size, nentries, nrelas, i;
Elf_Internal_Phdr * seg;
struct hppa_unw_table_entry * tep;
Elf_Internal_Shdr * relsec;
Elf_Internal_Rela * rela;
Elf_Internal_Rela * rp;
unsigned char * table;
unsigned char * tp;
Elf_Internal_Sym * sym;
const char * relname;
/* First, find the starting address of the segment that includes
this section. */
if (elf_header.e_phnum)
{
if (! get_program_headers (file))
return 0;
for (seg = program_headers;
seg < program_headers + 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;
}
}
}
/* Second, build the unwind table from the contents of the unwind
section. */
size = sec->sh_size;
table = get_data (NULL, file, sec->sh_offset, 1, size, _("unwind table"));
if (!table)
return 0;
unw_ent_size = 16;
nentries = size / unw_ent_size;
size = unw_ent_size * nentries;
tep = aux->table = xcmalloc (nentries, sizeof (aux->table[0]));
for (tp = table; tp < table + size; tp += unw_ent_size, ++tep)
{
unsigned int tmp1, tmp2;
tep->start.section = SHN_UNDEF;
tep->end.section = SHN_UNDEF;
tep->start.offset = byte_get ((unsigned char *) tp + 0, 4);
tep->end.offset = byte_get ((unsigned char *) tp + 4, 4);
tmp1 = byte_get ((unsigned char *) tp + 8, 4);
tmp2 = byte_get ((unsigned char *) tp + 12, 4);
tep->start.offset += aux->seg_base;
tep->end.offset += aux->seg_base;
tep->Cannot_unwind = (tmp1 >> 31) & 0x1;
tep->Millicode = (tmp1 >> 30) & 0x1;
tep->Millicode_save_sr0 = (tmp1 >> 29) & 0x1;
tep->Region_description = (tmp1 >> 27) & 0x3;
tep->reserved1 = (tmp1 >> 26) & 0x1;
tep->Entry_SR = (tmp1 >> 25) & 0x1;
tep->Entry_FR = (tmp1 >> 21) & 0xf;
tep->Entry_GR = (tmp1 >> 16) & 0x1f;
tep->Args_stored = (tmp1 >> 15) & 0x1;
tep->Variable_Frame = (tmp1 >> 14) & 0x1;
tep->Separate_Package_Body = (tmp1 >> 13) & 0x1;
tep->Frame_Extension_Millicode = (tmp1 >> 12) & 0x1;
tep->Stack_Overflow_Check = (tmp1 >> 11) & 0x1;
tep->Two_Instruction_SP_Increment = (tmp1 >> 10) & 0x1;
tep->Ada_Region = (tmp1 >> 9) & 0x1;
tep->cxx_info = (tmp1 >> 8) & 0x1;
tep->cxx_try_catch = (tmp1 >> 7) & 0x1;
tep->sched_entry_seq = (tmp1 >> 6) & 0x1;
tep->reserved2 = (tmp1 >> 5) & 0x1;
tep->Save_SP = (tmp1 >> 4) & 0x1;
tep->Save_RP = (tmp1 >> 3) & 0x1;
tep->Save_MRP_in_frame = (tmp1 >> 2) & 0x1;
tep->extn_ptr_defined = (tmp1 >> 1) & 0x1;
tep->Cleanup_defined = tmp1 & 0x1;
tep->MPE_XL_interrupt_marker = (tmp2 >> 31) & 0x1;
tep->HP_UX_interrupt_marker = (tmp2 >> 30) & 0x1;
tep->Large_frame = (tmp2 >> 29) & 0x1;
tep->Pseudo_SP_Set = (tmp2 >> 28) & 0x1;
tep->reserved4 = (tmp2 >> 27) & 0x1;
tep->Total_frame_size = tmp2 & 0x7ffffff;
}
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
|| relsec->sh_info >= elf_header.e_shnum
|| section_headers + 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)
{
relname = elf_hppa_reloc_type (get_reloc_type (rp->r_info));
sym = aux->symtab + get_reloc_symindex (rp->r_info);
/* R_PARISC_SEGREL32 or R_PARISC_SEGREL64. */
if (! const_strneq (relname, "R_PARISC_SEGREL"))
{
warn (_("Skipping unexpected relocation type %s\n"), relname);
continue;
}
i = rp->r_offset / unw_ent_size;
switch ((rp->r_offset % unw_ent_size) / eh_addr_size)
{
case 0:
aux->table[i].start.section = sym->st_shndx;
aux->table[i].start.offset += sym->st_value + rp->r_addend;
break;
case 1:
aux->table[i].end.section = sym->st_shndx;
aux->table[i].end.offset += sym->st_value + rp->r_addend;
break;
default:
break;
}
}
free (rela);
}
aux->table_len = nentries;
return 1;
}
static int
hppa_process_unwind (FILE * file)
{
struct hppa_unw_aux_info aux;
Elf_Internal_Shdr * unwsec = NULL;
Elf_Internal_Shdr * strsec;
Elf_Internal_Shdr * sec;
unsigned long i;
memset (& aux, 0, sizeof (aux));
if (string_table == NULL)
return 1;
for (i = 0, sec = section_headers; i < elf_header.e_shnum; ++i, ++sec)
{
if (sec->sh_type == SHT_SYMTAB
&& sec->sh_link < elf_header.e_shnum)
{
aux.nsyms = sec->sh_size / sec->sh_entsize;
aux.symtab = GET_ELF_SYMBOLS (file, sec);
strsec = section_headers + sec->sh_link;
aux.strtab = get_data (NULL, file, strsec->sh_offset,
1, strsec->sh_size, _("string table"));
aux.strtab_size = aux.strtab != NULL ? strsec->sh_size : 0;
}
else if (streq (SECTION_NAME (sec), ".PARISC.unwind"))
unwsec = sec;
}
if (!unwsec)
printf (_("\nThere are no unwind sections in this file.\n"));
for (i = 0, sec = section_headers; i < elf_header.e_shnum; ++i, ++sec)
{
if (streq (SECTION_NAME (sec), ".PARISC.unwind"))
{
printf (_("\nUnwind section "));
printf (_("'%s'"), SECTION_NAME (sec));
printf (_(" at offset 0x%lx contains %lu entries:\n"),
(unsigned long) sec->sh_offset,
(unsigned long) (sec->sh_size / (2 * eh_addr_size + 8)));
slurp_hppa_unwind_table (file, &aux, sec);
if (aux.table_len > 0)
dump_hppa_unwind (&aux);
if (aux.table)
free ((char *) aux.table);
aux.table = NULL;
}
}
if (aux.symtab)
free (aux.symtab);
if (aux.strtab)
free ((char *) aux.strtab);
return 1;
}
static int
process_unwind (FILE * file)
{
struct unwind_handler
{
int machtype;
int (* handler)(FILE *);
} handlers[] =
{
{ EM_IA_64, ia64_process_unwind },
{ EM_PARISC, hppa_process_unwind },
{ 0, 0 }
};
int i;
if (!do_unwind)
return 1;
for (i = 0; handlers[i].handler != NULL; i++)
if (elf_header.e_machine == handlers[i].machtype)
return handlers[i].handler (file);
printf (_("\nThere are no unwind sections in this file.\n"));
return 1;
}
static void
dynamic_section_mips_val (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 < ARRAY_SIZE (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 (VALID_DYNAMIC_NAME (entry->d_un.d_val))
printf ("Interface Version: %s\n", GET_DYNAMIC_NAME (entry->d_un.d_val));
else
printf ("<corrupt: %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);
snprintf (timebuf, sizeof (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", (unsigned long) entry->d_un.d_ptr);
}
}
static void
dynamic_section_parisc_val (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" },
{ DT_HP_GST, "HP_GST" },
{ DT_HP_SHLIB_FIXED, "HP_SHLIB_FIXED" },
{ DT_HP_MERGE_SHLIB_SEG, "HP_MERGE_SHLIB_SEG" },
{ DT_HP_NODELETE, "HP_NODELETE" },
{ DT_HP_GROUP, "HP_GROUP" },
{ DT_HP_PROTECT_LINKAGE_TABLE, "HP_PROTECT_LINKAGE_TABLE" }
};
int first = 1;
size_t cnt;
bfd_vma val = entry->d_un.d_val;
for (cnt = 0; cnt < ARRAY_SIZE (flags); ++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;
}
putchar ('\n');
}
static void
dynamic_section_ia64_val (Elf_Internal_Dyn * entry)
{
switch (entry->d_tag)
{
case DT_IA_64_PLT_RESERVE:
/* First 3 slots reserved. */
print_vma (entry->d_un.d_ptr, PREFIX_HEX);
printf (" -- ");
print_vma (entry->d_un.d_ptr + (3 * 8), PREFIX_HEX);
break;
default:
print_vma (entry->d_un.d_ptr, PREFIX_HEX);
break;
}
putchar ('\n');
}
static int
get_32bit_dynamic_section (FILE * file)
{
Elf32_External_Dyn * edyn;
Elf32_External_Dyn * ext;
Elf_Internal_Dyn * entry;
edyn = get_data (NULL, file, dynamic_addr, 1, dynamic_size,
_("dynamic section"));
if (!edyn)
return 0;
/* SGI's ELF has more than one section in the DYNAMIC segment, and we
might not have the luxury of section headers. Look for the DT_NULL
terminator to determine the number of entries. */
for (ext = edyn, dynamic_nent = 0;
(char *) ext < (char *) edyn + dynamic_size;
ext++)
{
dynamic_nent++;
if (BYTE_GET (ext->d_tag) == DT_NULL)
break;
}
dynamic_section = cmalloc (dynamic_nent, sizeof (* entry));
if (dynamic_section == NULL)
{
error (_("Out of memory\n"));
free (edyn);
return 0;
}
for (ext = edyn, entry = dynamic_section;
entry < dynamic_section + dynamic_nent;
ext++, entry++)
{
entry->d_tag = BYTE_GET (ext->d_tag);
entry->d_un.d_val = BYTE_GET (ext->d_un.d_val);
}
free (edyn);
return 1;
}
static int
get_64bit_dynamic_section (FILE * file)
{
Elf64_External_Dyn * edyn;
Elf64_External_Dyn * ext;
Elf_Internal_Dyn * entry;
edyn = get_data (NULL, file, dynamic_addr, 1, dynamic_size,
_("dynamic section"));
if (!edyn)
return 0;
/* SGI's ELF has more than one section in the DYNAMIC segment, and we
might not have the luxury of section headers. Look for the DT_NULL
terminator to determine the number of entries. */
for (ext = edyn, dynamic_nent = 0;
(char *) ext < (char *) edyn + dynamic_size;
ext++)
{
dynamic_nent++;
if (BYTE_GET (ext->d_tag) == DT_NULL)
break;
}
dynamic_section = cmalloc (dynamic_nent, sizeof (* entry));
if (dynamic_section == NULL)
{
error (_("Out of memory\n"));
free (edyn);
return 0;
}
for (ext = edyn, entry = dynamic_section;
entry < dynamic_section + dynamic_nent;
ext++, entry++)
{
entry->d_tag = BYTE_GET (ext->d_tag);
entry->d_un.d_val = BYTE_GET (ext->d_un.d_val);
}
free (edyn);
return 1;
}
static void
print_dynamic_flags (bfd_vma flags)
{
int first = 1;
while (flags)
{
bfd_vma flag;
flag = flags & - flags;
flags &= ~ flag;
if (first)
first = 0;
else
putc (' ', stdout);
switch (flag)
{
case DF_ORIGIN: fputs ("ORIGIN", stdout); break;
case DF_SYMBOLIC: fputs ("SYMBOLIC", stdout); break;
case DF_TEXTREL: fputs ("TEXTREL", stdout); break;
case DF_BIND_NOW: fputs ("BIND_NOW", stdout); break;
case DF_STATIC_TLS: fputs ("STATIC_TLS", stdout); break;
default: fputs ("unknown", stdout); break;
}
}
puts ("");
}
/* Parse and display the contents of the dynamic section. */
static int
process_dynamic_section (FILE * file)
{
Elf_Internal_Dyn * entry;
if (dynamic_size == 0)
{
if (do_dynamic)
printf (_("\nThere is no dynamic section in this file.\n"));
return 1;
}
if (is_32bit_elf)
{
if (! get_32bit_dynamic_section (file))
return 0;
}
else if (! get_64bit_dynamic_section (file))
return 0;
/* Find the appropriate symbol table. */
if (dynamic_symbols == NULL)
{
for (entry = dynamic_section;
entry < dynamic_section + dynamic_nent;
++entry)
{
Elf_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 = offset_from_vma (file, entry->d_un.d_val, 0);
if (archive_file_offset != 0)
section.sh_size = archive_file_size - section.sh_offset;
else
{
if (fseek (file, 0, SEEK_END))
error (_("Unable to seek to end of file!\n"));
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, &section);
}
}
/* Similarly find a string table. */
if (dynamic_strings == NULL)
{
for (entry = dynamic_section;
entry < dynamic_section + dynamic_nent;
++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 = offset_from_vma (file, entry->d_un.d_val, 0);
if (archive_file_offset != 0)
str_tab_len = archive_file_size - offset;
else
{
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 = get_data (NULL, file, offset, 1, str_tab_len,
_("dynamic string table"));
dynamic_strings_length = str_tab_len;
break;
}
}
/* And find the syminfo section if available. */
if (dynamic_syminfo == NULL)
{
unsigned long syminsz = 0;
for (entry = dynamic_section;
entry < dynamic_section + dynamic_nent;
++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 = offset_from_vma (file, entry->d_un.d_val,
syminsz);
}
if (dynamic_syminfo_offset != 0 && syminsz != 0)
{
Elf_External_Syminfo * extsyminfo;
Elf_External_Syminfo * extsym;
Elf_Internal_Syminfo * syminfo;
/* There is a syminfo section. Read the data. */
extsyminfo = get_data (NULL, file, dynamic_syminfo_offset, 1,
syminsz, _("symbol information"));
if (!extsyminfo)
return 0;
dynamic_syminfo = malloc (syminsz);
if (dynamic_syminfo == NULL)
{
error (_("Out of memory\n"));
return 0;
}
dynamic_syminfo_nent = syminsz / sizeof (Elf_External_Syminfo);
for (syminfo = dynamic_syminfo, extsym = extsyminfo;
syminfo < dynamic_syminfo + dynamic_syminfo_nent;
++syminfo, ++extsym)
{
syminfo->si_boundto = BYTE_GET (extsym->si_boundto);
syminfo->si_flags = BYTE_GET (extsym->si_flags);
}
free (extsyminfo);
}
}
if (do_dynamic && dynamic_addr)
printf (_("\nDynamic section at offset 0x%lx contains %u entries:\n"),
dynamic_addr, dynamic_nent);
if (do_dynamic)
printf (_(" Tag Type Name/Value\n"));
for (entry = dynamic_section;
entry < dynamic_section + dynamic_nent;
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)
print_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 (VALID_DYNAMIC_NAME (entry->d_un.d_val))
printf (": [%s]\n", GET_DYNAMIC_NAME (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:
dynamic_info[entry->d_tag] = entry->d_un.d_val;
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 (VALID_DYNAMIC_NAME (entry->d_un.d_val))
name = GET_DYNAMIC_NAME (entry->d_un.d_val);
else
name = NULL;
if (name)
{
switch (entry->d_tag)
{
case DT_NEEDED:
printf (_("Shared library: [%s]"), name);
if (streq (name, program_interpreter))
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 :
dynamic_info[entry->d_tag] = entry->d_un.d_val;
case DT_PLTPADSZ:
case DT_MOVEENT :
case DT_MOVESZ :
case DT_INIT_ARRAYSZ:
case DT_FINI_ARRAYSZ:
case DT_GNU_CONFLICTSZ:
case DT_GNU_LIBLISTSZ:
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 (entry->d_tag == DT_USED
&& VALID_DYNAMIC_NAME (entry->d_un.d_val))
{
char * name = GET_DYNAMIC_NAME (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. */
if (do_dynamic)
putchar ('\n');
break;
case DT_GNU_PRELINKED:
if (do_dynamic)
{
struct tm * tmp;
time_t time = entry->d_un.d_val;
tmp = gmtime (&time);
printf ("%04u-%02u-%02uT%02u:%02u:%02u\n",
tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
}
break;
case DT_GNU_HASH:
dynamic_info_DT_GNU_HASH = entry->d_un.d_val;
if (do_dynamic)
{
print_vma (entry->d_un.d_val, PREFIX_HEX);
putchar ('\n');
}
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_section_mips_val (entry);
break;
case EM_PARISC:
dynamic_section_parisc_val (entry);
break;
case EM_IA_64:
dynamic_section_ia64_val (entry);
break;
default:
print_vma (entry->d_un.d_val, PREFIX_HEX);
putchar ('\n');
}
}
break;
}
}
return 1;
}
static char *
get_ver_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)
{
Elf_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;
char * endbuf;
found = 1;
printf
(_("\nVersion definition section '%s' contains %u entries:\n"),
SECTION_NAME (section), section->sh_info);
printf (_(" Addr: 0x"));
printf_vma (section->sh_addr);
printf (_(" Offset: %#08lx Link: %u (%s)\n"),
(unsigned long) section->sh_offset, section->sh_link,
section->sh_link < elf_header.e_shnum
? SECTION_NAME (section_headers + section->sh_link)
: "<corrupt>");
edefs = get_data (NULL, file, section->sh_offset, 1,
section->sh_size,
_("version definition section"));
endbuf = (char *) edefs + section->sh_size;
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;
if (vstart + sizeof (*edef) > endbuf)
break;
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 (VALID_DYNAMIC_NAME (aux.vda_name))
printf (_("Name: %s\n"), GET_DYNAMIC_NAME (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;
if (vstart + sizeof (*eaux) > endbuf)
break;
aux.vda_name = BYTE_GET (eaux->vda_name);
aux.vda_next = BYTE_GET (eaux->vda_next);
if (VALID_DYNAMIC_NAME (aux.vda_name))
printf (_(" %#06x: Parent %d: %s\n"),
isum, j, GET_DYNAMIC_NAME (aux.vda_name));
else
printf (_(" %#06x: Parent %d, name index: %ld\n"),
isum, j, aux.vda_name);
}
if (j < ent.vd_cnt)
printf (_(" Version def aux past end of section\n"));
idx += ent.vd_next;
}
if (cnt < section->sh_info)
printf (_(" Version definition past end of section\n"));
free (edefs);
}
break;
case SHT_GNU_verneed:
{
Elf_External_Verneed * eneed;
unsigned int idx;
unsigned int cnt;
char * endbuf;
found = 1;
printf (_("\nVersion needs section '%s' contains %u entries:\n"),
SECTION_NAME (section), section->sh_info);
printf (_(" Addr: 0x"));
printf_vma (section->sh_addr);
printf (_(" Offset: %#08lx Link: %u (%s)\n"),
(unsigned long) section->sh_offset, section->sh_link,
section->sh_link < elf_header.e_shnum
? SECTION_NAME (section_headers + section->sh_link)
: "<corrupt>");
eneed = get_data (NULL, file, section->sh_offset, 1,
section->sh_size,
_("version need section"));
endbuf = (char *) eneed + section->sh_size;
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;
if (vstart + sizeof (*entry) > endbuf)
break;
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 (VALID_DYNAMIC_NAME (ent.vn_file))
printf (_(" File: %s"), GET_DYNAMIC_NAME (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;
if (vstart + sizeof (*eaux) > endbuf)
break;
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 (VALID_DYNAMIC_NAME (aux.vna_name))
printf (_(" %#06x: Name: %s"),
isum, GET_DYNAMIC_NAME (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;
}
if (j < ent.vn_cnt)
printf (_(" Version need aux past end of section\n"));
idx += ent.vn_next;
}
if (cnt < section->sh_info)
printf (_(" Version need past end of section\n"));
free (eneed);
}
break;
case SHT_GNU_versym:
{
Elf_Internal_Shdr * link_section;
int total;
int cnt;
unsigned char * edata;
unsigned short * data;
char * strtab;
Elf_Internal_Sym * symbols;
Elf_Internal_Shdr * string_sec;
long off;
if (section->sh_link >= elf_header.e_shnum)
break;
link_section = section_headers + section->sh_link;
total = section->sh_size / sizeof (Elf_External_Versym);
if (link_section->sh_link >= elf_header.e_shnum)
break;
found = 1;
symbols = GET_ELF_SYMBOLS (file, link_section);
string_sec = section_headers + link_section->sh_link;
strtab = get_data (NULL, file, string_sec->sh_offset, 1,
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: %u (%s)\n"),
(unsigned long) section->sh_offset, section->sh_link,
SECTION_NAME (link_section));
off = offset_from_vma (file,
version_info[DT_VERSIONTAGIDX (DT_VERSYM)],
total * sizeof (short));
edata = get_data (NULL, file, off, total, sizeof (short),
_("version symbol data"));
if (!edata)
{
free (strtab);
break;
}
data = cmalloc (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 (symbols[cnt + j].st_shndx >= elf_header.e_shnum
|| section_headers[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 = offset_from_vma
(file, version_info[DT_VERSIONTAGIDX (DT_VERNEED)],
sizeof (Elf_External_Verneed));
do
{
Elf_Internal_Vernaux ivna;
Elf_External_Verneed evn;
Elf_External_Vernaux evna;
unsigned long a_off;
get_data (&evn, file, offset, sizeof (evn), 1,
_("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),
1, _("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);
if (ivna.vna_name >= string_sec->sh_size)
name = _("*invalid*");
else
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 = offset_from_vma
(file, version_info[DT_VERSIONTAGIDX (DT_VERDEF)],
sizeof evd);
do
{
get_data (&evd, file, offset, sizeof (evd), 1,
_("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), 1,
_("version def aux"));
ivda.vda_name = BYTE_GET (evda.vda_name);
if (ivda.vda_name >= string_sec->sh_size)
name = _("*invalid*");
else
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 (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)
snprintf (buff, sizeof (buff), _("<processor specific>: %d"),
binding);
else if (binding >= STB_LOOS && binding <= STB_HIOS)
snprintf (buff, sizeof (buff), _("<OS specific>: %d"), binding);
else
snprintf (buff, sizeof (buff), _("<unknown>: %d"), binding);
return buff;
}
}
static const char *
get_symbol_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";
case STT_TLS: return "TLS";
case STT_RELC: return "RELC";
case STT_SRELC: return "SRELC";
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";
snprintf (buff, sizeof (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";
}
if (type == STT_GNU_IFUNC
&& (elf_header.e_ident[EI_OSABI] == ELFOSABI_LINUX
/* GNU/Linux is still using the default value 0. */
|| elf_header.e_ident[EI_OSABI] == ELFOSABI_NONE))
return "IFUNC";
snprintf (buff, sizeof (buff), _("<OS specific>: %d"), type);
}
else
snprintf (buff, sizeof (buff), _("<unknown>: %d"), type);
return buff;
}
}
static const char *
get_symbol_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_mips_symbol_other (unsigned int other)
{
switch (other)
{
case STO_OPTIONAL: return "OPTIONAL";
case STO_MIPS16: return "MIPS16";
case STO_MIPS_PLT: return "MIPS PLT";
case STO_MIPS_PIC: return "MIPS PIC";
default: return NULL;
}
}
static const char *
get_symbol_other (unsigned int other)
{
const char * result = NULL;
static char buff [32];
if (other == 0)
return "";
switch (elf_header.e_machine)
{
case EM_MIPS:
result = get_mips_symbol_other (other);
default:
break;
}
if (result)
return result;
snprintf (buff, sizeof buff, _("<other>: %x"), other);
return buff;
}
static const char *
get_symbol_index_type (unsigned int type)
{
static char buff[32];
switch (type)
{
case SHN_UNDEF: return "UND";
case SHN_ABS: return "ABS";
case SHN_COMMON: return "COM";
default:
if (type == SHN_IA_64_ANSI_COMMON
&& elf_header.e_machine == EM_IA_64
&& elf_header.e_ident[EI_OSABI] == ELFOSABI_HPUX)
return "ANSI_COM";
else if (elf_header.e_machine == EM_X86_64
&& type == SHN_X86_64_LCOMMON)
return "LARGE_COM";
else if (type == SHN_MIPS_SCOMMON
&& elf_header.e_machine == EM_MIPS)
return "SCOM";
else if (type == SHN_MIPS_SUNDEFINED
&& elf_header.e_machine == EM_MIPS)
return "SUND";
else if (type >= SHN_LOPROC && type <= SHN_HIPROC)
sprintf (buff, "PRC[0x%04x]", type & 0xffff);
else if (type >= SHN_LOOS && type <= SHN_HIOS)
sprintf (buff, "OS [0x%04x]", type & 0xffff);
else if (type >= SHN_LORESERVE)
sprintf (buff, "RSV[0x%04x]", type & 0xffff);
else
sprintf (buff, "%3d", type);
break;
}
return buff;
}
static bfd_vma *
get_dynamic_data (FILE * file, unsigned int number, unsigned int ent_size)
{
unsigned char * e_data;
bfd_vma * i_data;
e_data = cmalloc (number, ent_size);
if (e_data == NULL)
{
error (_("Out of memory\n"));
return NULL;
}
if (fread (e_data, ent_size, number, file) != number)
{
error (_("Unable to read in dynamic data\n"));
return NULL;
}
i_data = cmalloc (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 * ent_size, ent_size);
free (e_data);
return i_data;
}
static void
print_dynamic_symbol (bfd_vma si, unsigned long hn)
{
Elf_Internal_Sym * psym;
int n;
psym = dynamic_symbols + si;
n = print_vma (si, DEC_5);
if (n < 5)
fputs (" " + n, stdout);
printf (" %3lu: ", 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)));
/* Check to see if any other bits in the st_other field are set.
Note - displaying this information disrupts the layout of the
table being generated, but for the moment this case is very
rare. */
if (psym->st_other ^ ELF_ST_VISIBILITY (psym->st_other))
printf (" [%s] ", get_symbol_other (psym->st_other ^ ELF_ST_VISIBILITY (psym->st_other)));
printf (" %3.3s ", get_symbol_index_type (psym->st_shndx));
if (VALID_DYNAMIC_NAME (psym->st_name))
print_symbol (25, GET_DYNAMIC_NAME (psym->st_name));
else
printf (" <corrupt: %14ld>", psym->st_name);
putchar ('\n');
}
/* Dump the symbol table. */
static int
process_symbol_table (FILE * file)
{
Elf_Internal_Shdr * section;
bfd_vma nbuckets = 0;
bfd_vma nchains = 0;
bfd_vma * buckets = NULL;
bfd_vma * chains = NULL;
bfd_vma ngnubuckets = 0;
bfd_vma * gnubuckets = NULL;
bfd_vma * gnuchains = NULL;
bfd_vma gnusymidx = 0;
if (! do_syms && !do_histogram)
return 1;
if (dynamic_info[DT_HASH]
&& (do_histogram
|| (do_using_dynamic && dynamic_strings != NULL)))
{
unsigned char nb[8];
unsigned char nc[8];
int hash_ent_size = 4;
if ((elf_header.e_machine == EM_ALPHA
|| elf_header.e_machine == EM_S390
|| elf_header.e_machine == EM_S390_OLD)
&& elf_header.e_ident[EI_CLASS] == ELFCLASS64)
hash_ent_size = 8;
if (fseek (file,
(archive_file_offset
+ offset_from_vma (file, dynamic_info[DT_HASH],
sizeof nb + sizeof nc)),
SEEK_SET))
{
error (_("Unable to seek to start of dynamic information\n"));
return 0;
}
if (fread (nb, hash_ent_size, 1, file) != 1)
{
error (_("Failed to read in number of buckets\n"));
return 0;
}
if (fread (nc, hash_ent_size, 1, file) != 1)
{
error (_("Failed to read in number of chains\n"));
return 0;
}
nbuckets = byte_get (nb, hash_ent_size);
nchains = byte_get (nc, hash_ent_size);
buckets = get_dynamic_data (file, nbuckets, hash_ent_size);
chains = get_dynamic_data (file, nchains, hash_ent_size);
if (buckets == NULL || chains == NULL)
return 0;
}
if (dynamic_info_DT_GNU_HASH
&& (do_histogram
|| (do_using_dynamic && dynamic_strings != NULL)))
{
unsigned char nb[16];
bfd_vma i, maxchain = 0xffffffff, bitmaskwords;
bfd_vma buckets_vma;
if (fseek (file,
(archive_file_offset
+ offset_from_vma (file, dynamic_info_DT_GNU_HASH,
sizeof nb)),
SEEK_SET))
{
error (_("Unable to seek to start of dynamic information\n"));
return 0;
}
if (fread (nb, 16, 1, file) != 1)
{
error (_("Failed to read in number of buckets\n"));
return 0;
}
ngnubuckets = byte_get (nb, 4);
gnusymidx = byte_get (nb + 4, 4);
bitmaskwords = byte_get (nb + 8, 4);
buckets_vma = dynamic_info_DT_GNU_HASH + 16;
if (is_32bit_elf)
buckets_vma += bitmaskwords * 4;
else
buckets_vma += bitmaskwords * 8;
if (fseek (file,
(archive_file_offset
+ offset_from_vma (file, buckets_vma, 4)),
SEEK_SET))
{
error (_("Unable to seek to start of dynamic information\n"));
return 0;
}
gnubuckets = get_dynamic_data (file, ngnubuckets, 4);
if (gnubuckets == NULL)
return 0;
for (i = 0; i < ngnubuckets; i++)
if (gnubuckets[i] != 0)
{
if (gnubuckets[i] < gnusymidx)
return 0;
if (maxchain == 0xffffffff || gnubuckets[i] > maxchain)
maxchain = gnubuckets[i];
}
if (maxchain == 0xffffffff)
return 0;
maxchain -= gnusymidx;
if (fseek (file,
(archive_file_offset
+ offset_from_vma (file, buckets_vma
+ 4 * (ngnubuckets + maxchain), 4)),
SEEK_SET))
{
error (_("Unable to seek to start of dynamic information\n"));
return 0;
}
do
{
if (fread (nb, 4, 1, file) != 1)
{
error (_("Failed to determine last chain length\n"));
return 0;
}
if (maxchain + 1 == 0)
return 0;
++maxchain;
}
while ((byte_get (nb, 4) & 1) == 0);
if (fseek (file,
(archive_file_offset
+ offset_from_vma (file, buckets_vma + 4 * ngnubuckets, 4)),
SEEK_SET))
{
error (_("Unable to seek to start of dynamic information\n"));
return 0;
}
gnuchains = get_dynamic_data (file, maxchain, 4);
if (gnuchains == NULL)
return 0;
}
if ((dynamic_info[DT_HASH] || dynamic_info_DT_GNU_HASH)
&& do_syms
&& do_using_dynamic
&& dynamic_strings != NULL)
{
unsigned long hn;
if (dynamic_info[DT_HASH])
{
bfd_vma 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])
print_dynamic_symbol (si, hn);
}
}
if (dynamic_info_DT_GNU_HASH)
{
printf (_("\nSymbol table of `.gnu.hash' 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 < ngnubuckets; ++hn)
if (gnubuckets[hn] != 0)
{
bfd_vma si = gnubuckets[hn];
bfd_vma off = si - gnusymidx;
do
{
print_dynamic_symbol (si, hn);
si++;
}
while ((gnuchains[off++] & 1) == 0);
}
}
}
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 = NULL;
unsigned long int strtab_size = 0;
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;
strtab_size = string_table_length;
}
else if (section->sh_link < elf_header.e_shnum)
{
Elf_Internal_Shdr * string_sec;
string_sec = section_headers + section->sh_link;
strtab = get_data (NULL, file, string_sec->sh_offset,
1, string_sec->sh_size, _("string table"));
strtab_size = strtab != NULL ? string_sec->sh_size : 0;
}
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)));
/* Check to see if any other bits in the st_other field are set.
Note - displaying this information disrupts the layout of the
table being generated, but for the moment this case is very rare. */
if (psym->st_other ^ ELF_ST_VISIBILITY (psym->st_other))
printf (" [%s] ", get_symbol_other (psym->st_other ^ ELF_ST_VISIBILITY (psym->st_other)));
printf (" %4s ", get_symbol_index_type (psym->st_shndx));
print_symbol (25, psym->st_name < strtab_size
? strtab + psym->st_name : "<corrupt>");
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 = offset_from_vma
(file, version_info[DT_VERSIONTAGIDX (DT_VERSYM)],
sizeof data + si * sizeof (vers_data));
get_data (&data, file, offset + si * sizeof (vers_data),
sizeof (data), 1, _("version data"));
vers_data = byte_get (data, 2);
is_nobits = (psym->st_shndx < elf_header.e_shnum
&& section_headers[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 = offset_from_vma
(file, version_info[DT_VERSIONTAGIDX (DT_VERNEED)],
sizeof evn);
do
{
unsigned long vna_off;
get_data (&evn, file, offset, sizeof (evn), 1,
_("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), 1,
_("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)",
ivna.vna_name < strtab_size
? strtab + ivna.vna_name : "<corrupt>",
ivna.vna_other);
check_def = 0;
}
else if (! is_nobits)
error (_("bad dynamic symbol\n"));
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 = offset_from_vma
(file,
version_info[DT_VERSIONTAGIDX (DT_VERDEF)],
sizeof (Elf_External_Verdef));
do
{
Elf_External_Verdef evd;
get_data (&evd, file, offset, sizeof (evd),
1, _("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),
1, _("version def aux"));
ivda.vda_name = BYTE_GET (evda.vda_name);
if (psym->st_name != ivda.vda_name)
printf ((vers_data & 0x8000)
? "@%s" : "@@%s",
ivda.vda_name < strtab_size
? strtab + ivda.vda_name : "<corrupt>");
}
}
}
}
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)
{
unsigned long * lengths;
unsigned long * counts;
unsigned long hn;
bfd_vma si;
unsigned long maxlength = 0;
unsigned long nzero_counts = 0;
unsigned long nsyms = 0;
printf (_("\nHistogram for bucket list length (total of %lu buckets):\n"),
(unsigned long) nbuckets);
printf (_(" Length Number %% of total Coverage\n"));
lengths = calloc (nbuckets, sizeof (*lengths));
if (lengths == NULL)
{
error (_("Out of memory\n"));
return 0;
}
for (hn = 0; hn < nbuckets; ++hn)
{
for (si = buckets[hn]; si > 0 && si < nchains; si = chains[si])
{
++nsyms;
if (maxlength < ++lengths[hn])
++maxlength;
}
}
counts = calloc (maxlength + 1, sizeof (*counts));
if (counts == NULL)
{
error (_("Out of memory\n"));
return 0;
}
for (hn = 0; hn < nbuckets; ++hn)
++counts[lengths[hn]];
if (nbuckets > 0)
{
unsigned long i;
printf (" 0 %-10lu (%5.1f%%)\n",
counts[0], (counts[0] * 100.0) / nbuckets);
for (i = 1; i <= maxlength; ++i)
{
nzero_counts += counts[i] * i;
printf ("%7lu %-10lu (%5.1f%%) %5.1f%%\n",
i, counts[i], (counts[i] * 100.0) / nbuckets,
(nzero_counts * 100.0) / nsyms);
}
}
free (counts);
free (lengths);
}
if (buckets != NULL)
{
free (buckets);
free (chains);
}
if (do_histogram && dynamic_info_DT_GNU_HASH)
{
unsigned long * lengths;
unsigned long * counts;
unsigned long hn;
unsigned long maxlength = 0;
unsigned long nzero_counts = 0;
unsigned long nsyms = 0;
lengths = calloc (ngnubuckets, sizeof (*lengths));
if (lengths == NULL)
{
error (_("Out of memory\n"));
return 0;
}
printf (_("\nHistogram for `.gnu.hash' bucket list length (total of %lu buckets):\n"),
(unsigned long) ngnubuckets);
printf (_(" Length Number %% of total Coverage\n"));
for (hn = 0; hn < ngnubuckets; ++hn)
if (gnubuckets[hn] != 0)
{
bfd_vma off, length = 1;
for (off = gnubuckets[hn] - gnusymidx;
(gnuchains[off] & 1) == 0; ++off)
++length;
lengths[hn] = length;
if (length > maxlength)
maxlength = length;
nsyms += length;
}
counts = calloc (maxlength + 1, sizeof (*counts));
if (counts == NULL)
{
error (_("Out of memory\n"));
return 0;
}
for (hn = 0; hn < ngnubuckets; ++hn)
++counts[lengths[hn]];
if (ngnubuckets > 0)
{
unsigned long j;
printf (" 0 %-10lu (%5.1f%%)\n",
counts[0], (counts[0] * 100.0) / ngnubuckets);
for (j = 1; j <= maxlength; ++j)
{
nzero_counts += counts[j] * j;
printf ("%7lu %-10lu (%5.1f%%) %5.1f%%\n",
j, counts[j], (counts[j] * 100.0) / ngnubuckets,
(nzero_counts * 100.0) / nsyms);
}
}
free (counts);
free (lengths);
free (gnubuckets);
free (gnuchains);
}
return 1;
}
static int
process_syminfo (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);
if (VALID_DYNAMIC_NAME (dynamic_symbols[i].st_name))
print_symbol (30, GET_DYNAMIC_NAME (dynamic_symbols[i].st_name));
else
printf ("<corrupt: %19ld>", 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_nent
&& VALID_DYNAMIC_NAME (dynamic_section[dynamic_syminfo[i].si_boundto].d_un.d_val))
{
print_symbol (10, GET_DYNAMIC_NAME (dynamic_section[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 int
disassemble_section (Elf_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_as_strings (Elf_Internal_Shdr * section, FILE * file)
{
Elf_Internal_Shdr * relsec;
bfd_size_type num_bytes;
bfd_vma addr;
char * data;
char * end;
char * start;
char * name = SECTION_NAME (section);
bfd_boolean some_strings_shown;
num_bytes = section->sh_size;
if (num_bytes == 0 || section->sh_type == SHT_NOBITS)
{
printf (_("\nSection '%s' has no data to dump.\n"), name);
return 0;
}
addr = section->sh_addr;
start = get_data (NULL, file, section->sh_offset, 1, num_bytes,
_("section data"));
if (!start)
return 0;
printf (_("\nString dump of section '%s':\n"), name);
/* If the section being dumped has relocations against it the user might
be expecting these relocations to have been applied. Check for this
case and issue a warning message in order to avoid confusion.
FIXME: Maybe we ought to have an option that dumps a section with
relocs applied ? */
for (relsec = section_headers;
relsec < section_headers + elf_header.e_shnum;
++relsec)
{
if ((relsec->sh_type != SHT_RELA && relsec->sh_type != SHT_REL)
|| relsec->sh_info >= elf_header.e_shnum
|| section_headers + relsec->sh_info != section
|| relsec->sh_size == 0
|| relsec->sh_link >= elf_header.e_shnum)
continue;
printf (_(" Note: This section has relocations against it, but these have NOT been applied to this dump.\n"));
break;
}
data = start;
end = start + num_bytes;
some_strings_shown = FALSE;
while (data < end)
{
while (!ISPRINT (* data))
if (++ data >= end)
break;
if (data < end)
{
#ifndef __MSVCRT__
printf (" [%6tx] %s\n", data - start, data);
#else
printf (" [%6Ix] %s\n", (size_t) (data - start), data);
#endif
data += strlen (data);
some_strings_shown = TRUE;
}
}
if (! some_strings_shown)
printf (_(" No strings found in this section."));
free (start);
putchar ('\n');
return 1;
}
static int
dump_section_as_bytes (Elf_Internal_Shdr * section, FILE * file)
{
Elf_Internal_Shdr * relsec;
bfd_size_type bytes;
bfd_vma addr;
unsigned char * data;
unsigned char * start;
bytes = section->sh_size;
if (bytes == 0 || section->sh_type == SHT_NOBITS)
{
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 = get_data (NULL, file, section->sh_offset, 1, bytes,
_("section data"));
if (!start)
return 0;
/* If the section being dumped has relocations against it the user might
be expecting these relocations to have been applied. Check for this
case and issue a warning message in order to avoid confusion.
FIXME: Maybe we ought to have an option that dumps a section with
relocs applied ? */
for (relsec = section_headers;
relsec < section_headers + elf_header.e_shnum;
++relsec)
{
if ((relsec->sh_type != SHT_RELA && relsec->sh_type != SHT_REL)
|| relsec->sh_info >= elf_header.e_shnum
|| section_headers + relsec->sh_info != section
|| relsec->sh_size == 0
|| relsec->sh_link >= elf_header.e_shnum)
continue;
printf (_(" NOTE: This section has relocations against it, but these have NOT been applied to this dump.\n"));
break;
}
data = start;
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", data[j]);
else
printf (" ");
if ((j & 3) == 3)
printf (" ");
}
for (j = 0; j < lbytes; j++)
{
k = data[j];
if (k >= ' ' && k < 0x7f)
printf ("%c", k);
else
printf (".");
}
putchar ('\n');
data += lbytes;
addr += lbytes;
bytes -= lbytes;
}
free (start);
putchar ('\n');
return 1;
}
/* Returns TRUE iff RELOC_TYPE is a 32-bit absolute RELA relocation used in
DWARF debug sections. This is a target specific test. Note - we do not
go through the whole including-target-headers-multiple-times route, (as
we have already done with <elf/h8.h>) because this would become very
messy and even then this function would have to contain target specific
information (the names of the relocs instead of their numeric values).
FIXME: This is not the correct way to solve this problem. The proper way
is to have target specific reloc sizing and typing functions created by
the reloc-macros.h header, in the same way that it already creates the
reloc naming functions. */
static bfd_boolean
is_32bit_abs_reloc (unsigned int reloc_type)
{
switch (elf_header.e_machine)
{
case EM_386:
case EM_486:
return reloc_type == 1; /* R_386_32. */
case EM_68K:
return reloc_type == 1; /* R_68K_32. */
case EM_860:
return reloc_type == 1; /* R_860_32. */
case EM_ALPHA:
return reloc_type == 1; /* XXX Is this right ? */
case EM_ARC:
return reloc_type == 1; /* R_ARC_32. */
case EM_ARM:
return reloc_type == 2; /* R_ARM_ABS32 */
case EM_AVR_OLD:
case EM_AVR:
return reloc_type == 1;
case EM_BLACKFIN:
return reloc_type == 0x12; /* R_byte4_data. */
case EM_CRIS:
return reloc_type == 3; /* R_CRIS_32. */
case EM_CR16:
case EM_CR16_OLD:
return reloc_type == 3; /* R_CR16_NUM32. */
case EM_CRX:
return reloc_type == 15; /* R_CRX_NUM32. */
case EM_CYGNUS_FRV:
return reloc_type == 1;
case EM_CYGNUS_D10V:
case EM_D10V:
return reloc_type == 6; /* R_D10V_32. */
case EM_CYGNUS_D30V:
case EM_D30V:
return reloc_type == 12; /* R_D30V_32_NORMAL. */
case EM_DLX:
return reloc_type == 3; /* R_DLX_RELOC_32. */
case EM_CYGNUS_FR30:
case EM_FR30:
return reloc_type == 3; /* R_FR30_32. */
case EM_H8S:
case EM_H8_300:
case EM_H8_300H:
return reloc_type == 1; /* R_H8_DIR32. */
case EM_IA_64:
return reloc_type == 0x65; /* R_IA64_SECREL32LSB. */
case EM_IP2K_OLD:
case EM_IP2K:
return reloc_type == 2; /* R_IP2K_32. */
case EM_IQ2000:
return reloc_type == 2; /* R_IQ2000_32. */
case EM_LATTICEMICO32:
return reloc_type == 3; /* R_LM32_32. */
case EM_M32C_OLD:
case EM_M32C:
return reloc_type == 3; /* R_M32C_32. */
case EM_M32R:
return reloc_type == 34; /* R_M32R_32_RELA. */
case EM_MCORE:
return reloc_type == 1; /* R_MCORE_ADDR32. */
case EM_CYGNUS_MEP:
return reloc_type == 4; /* R_MEP_32. */
case EM_MIPS:
return reloc_type == 2; /* R_MIPS_32. */
case EM_MMIX:
return reloc_type == 4; /* R_MMIX_32. */
case EM_CYGNUS_MN10200:
case EM_MN10200:
return reloc_type == 1; /* R_MN10200_32. */
case EM_CYGNUS_MN10300:
case EM_MN10300:
return reloc_type == 1; /* R_MN10300_32. */
case EM_MSP430_OLD:
case EM_MSP430:
return reloc_type == 1; /* R_MSP43_32. */
case EM_MT:
return reloc_type == 2; /* R_MT_32. */
case EM_ALTERA_NIOS2:
case EM_NIOS32:
return reloc_type == 1; /* R_NIOS_32. */
case EM_OPENRISC:
case EM_OR32:
return reloc_type == 1; /* R_OR32_32. */
case EM_PARISC:
return reloc_type == 1; /* R_PARISC_DIR32. */
case EM_PJ:
case EM_PJ_OLD:
return reloc_type == 1; /* R_PJ_DATA_DIR32. */
case EM_PPC64:
return reloc_type == 1; /* R_PPC64_ADDR32. */
case EM_PPC:
return reloc_type == 1; /* R_PPC_ADDR32. */
case EM_S370:
return reloc_type == 1; /* R_I370_ADDR31. */
case EM_S390_OLD:
case EM_S390:
return reloc_type == 4; /* R_S390_32. */
case EM_SCORE:
return reloc_type == 8; /* R_SCORE_ABS32. */
case EM_SH:
return reloc_type == 1; /* R_SH_DIR32. */
case EM_SPARC32PLUS:
case EM_SPARCV9:
case EM_SPARC:
return reloc_type == 3 /* R_SPARC_32. */
|| reloc_type == 23; /* R_SPARC_UA32. */
case EM_SPU:
return reloc_type == 6; /* R_SPU_ADDR32 */
case EM_CYGNUS_V850:
case EM_V850:
return reloc_type == 6; /* R_V850_ABS32. */
case EM_VAX:
return reloc_type == 1; /* R_VAX_32. */
case EM_X86_64:
return reloc_type == 10; /* R_X86_64_32. */
case EM_XSTORMY16:
return reloc_type == 1; /* R_XSTROMY16_32. */
case EM_XTENSA_OLD:
case EM_XTENSA:
return reloc_type == 1; /* R_XTENSA_32. */
default:
error (_("Missing knowledge of 32-bit reloc types used in DWARF sections of machine number %d\n"),
elf_header.e_machine);
abort ();
}
}
/* Like is_32bit_abs_reloc except that it returns TRUE iff RELOC_TYPE is
a 32-bit pc-relative RELA relocation used in DWARF debug sections. */
static bfd_boolean
is_32bit_pcrel_reloc (unsigned int reloc_type)
{
switch (elf_header.e_machine)
{
case EM_386:
case EM_486:
return reloc_type == 2; /* R_386_PC32. */
case EM_68K:
return reloc_type == 4; /* R_68K_PC32. */
case EM_ALPHA:
return reloc_type == 10; /* R_ALPHA_SREL32. */
case EM_ARM:
return reloc_type == 3; /* R_ARM_REL32 */
case EM_PARISC:
return reloc_type == 9; /* R_PARISC_PCREL32. */
case EM_PPC:
return reloc_type == 26; /* R_PPC_REL32. */
case EM_PPC64:
return reloc_type == 26; /* R_PPC64_REL32. */
case EM_S390_OLD:
case EM_S390:
return reloc_type == 5; /* R_390_PC32. */
case EM_SH:
return reloc_type == 2; /* R_SH_REL32. */
case EM_SPARC32PLUS:
case EM_SPARCV9:
case EM_SPARC:
return reloc_type == 6; /* R_SPARC_DISP32. */
case EM_SPU:
return reloc_type == 13; /* R_SPU_REL32. */
case EM_X86_64:
return reloc_type == 2; /* R_X86_64_PC32. */
case EM_XTENSA_OLD:
case EM_XTENSA:
return reloc_type == 14; /* R_XTENSA_32_PCREL. */
default:
/* Do not abort or issue an error message here. Not all targets use
pc-relative 32-bit relocs in their DWARF debug information and we
have already tested for target coverage in is_32bit_abs_reloc. A
more helpful warning message will be generated by
debug_apply_relocations anyway, so just return. */
return FALSE;
}
}
/* Like is_32bit_abs_reloc except that it returns TRUE iff RELOC_TYPE is
a 64-bit absolute RELA relocation used in DWARF debug sections. */
static bfd_boolean
is_64bit_abs_reloc (unsigned int reloc_type)
{
switch (elf_header.e_machine)
{
case EM_ALPHA:
return reloc_type == 2; /* R_ALPHA_REFQUAD. */
case EM_IA_64:
return reloc_type == 0x27; /* R_IA64_DIR64LSB. */
case EM_PARISC:
return reloc_type == 80; /* R_PARISC_DIR64. */
case EM_PPC64:
return reloc_type == 38; /* R_PPC64_ADDR64. */
case EM_SPARC32PLUS:
case EM_SPARCV9:
case EM_SPARC:
return reloc_type == 54; /* R_SPARC_UA64. */
case EM_X86_64:
return reloc_type == 1; /* R_X86_64_64. */
case EM_S390_OLD:
case EM_S390:
return reloc_type == 22; /* R_S390_64 */
case EM_MIPS:
return reloc_type == 18; /* R_MIPS_64 */
default:
return FALSE;
}
}
/* Like is_32bit_pcrel_reloc except that it returns TRUE iff RELOC_TYPE is
a 64-bit pc-relative RELA relocation used in DWARF debug sections. */
static bfd_boolean
is_64bit_pcrel_reloc (unsigned int reloc_type)
{
switch (elf_header.e_machine)
{
case EM_ALPHA:
return reloc_type == 11; /* R_ALPHA_SREL64 */
case EM_IA_64:
return reloc_type == 0x4f; /* R_IA64_PCREL64LSB */
case EM_PARISC:
return reloc_type == 72; /* R_PARISC_PCREL64 */
case EM_PPC64:
return reloc_type == 44; /* R_PPC64_REL64 */
case EM_SPARC32PLUS:
case EM_SPARCV9:
case EM_SPARC:
return reloc_type == 46; /* R_SPARC_DISP64 */
case EM_X86_64:
return reloc_type == 24; /* R_X86_64_PC64 */
case EM_S390_OLD:
case EM_S390:
return reloc_type == 23; /* R_S390_PC64 */
default:
return FALSE;
}
}
/* Like is_32bit_abs_reloc except that it returns TRUE iff RELOC_TYPE is
a 16-bit absolute RELA relocation used in DWARF debug sections. */
static bfd_boolean
is_16bit_abs_reloc (unsigned int reloc_type)
{
switch (elf_header.e_machine)
{
case EM_AVR_OLD:
case EM_AVR:
return reloc_type == 4; /* R_AVR_16. */
case EM_CYGNUS_D10V:
case EM_D10V:
return reloc_type == 3; /* R_D10V_16. */
case EM_H8S:
case EM_H8_300:
case EM_H8_300H:
return reloc_type == R_H8_DIR16;
case EM_IP2K_OLD:
case EM_IP2K:
return reloc_type == 1; /* R_IP2K_16. */
case EM_M32C_OLD:
case EM_M32C:
return reloc_type == 1; /* R_M32C_16 */
case EM_MSP430_OLD:
case EM_MSP430:
return reloc_type == 5; /* R_MSP430_16_BYTE. */
case EM_ALTERA_NIOS2:
case EM_NIOS32:
return reloc_type == 9; /* R_NIOS_16. */
default:
return FALSE;
}
}
/* Returns TRUE iff RELOC_TYPE is a NONE relocation used for discarded
relocation entries (possibly formerly used for SHT_GROUP sections). */
static bfd_boolean
is_none_reloc (unsigned int reloc_type)
{
switch (elf_header.e_machine)
{
case EM_68K: /* R_68K_NONE. */
case EM_386: /* R_386_NONE. */
case EM_SPARC32PLUS:
case EM_SPARCV9:
case EM_SPARC: /* R_SPARC_NONE. */
case EM_MIPS: /* R_MIPS_NONE. */
case EM_PARISC: /* R_PARISC_NONE. */
case EM_ALPHA: /* R_ALPHA_NONE. */
case EM_PPC: /* R_PPC_NONE. */
case EM_PPC64: /* R_PPC64_NONE. */
case EM_ARM: /* R_ARM_NONE. */
case EM_IA_64: /* R_IA64_NONE. */
case EM_SH: /* R_SH_NONE. */
case EM_S390_OLD:
case EM_S390: /* R_390_NONE. */
case EM_CRIS: /* R_CRIS_NONE. */
case EM_X86_64: /* R_X86_64_NONE. */
case EM_MN10300: /* R_MN10300_NONE. */
case EM_M32R: /* R_M32R_NONE. */
return reloc_type == 0;
}
return FALSE;
}
/* Uncompresses a section that was compressed using zlib, in place.
This is a copy of bfd_uncompress_section_contents, in bfd/compress.c */
static int
uncompress_section_contents (unsigned char ** buffer, dwarf_size_type * size)
{
#ifndef HAVE_ZLIB_H
/* These are just to quiet gcc. */
buffer = 0;
size = 0;
return FALSE;
#else
dwarf_size_type compressed_size = *size;
unsigned char * compressed_buffer = *buffer;
dwarf_size_type uncompressed_size;
unsigned char * uncompressed_buffer;
z_stream strm;
int rc;
dwarf_size_type header_size = 12;
/* Read the zlib header. In this case, it should be "ZLIB" followed
by the uncompressed section size, 8 bytes in big-endian order. */
if (compressed_size < header_size
|| ! streq ((char *) compressed_buffer, "ZLIB"))
return 0;
uncompressed_size = compressed_buffer[4]; uncompressed_size <<= 8;
uncompressed_size += compressed_buffer[5]; uncompressed_size <<= 8;
uncompressed_size += compressed_buffer[6]; uncompressed_size <<= 8;
uncompressed_size += compressed_buffer[7]; uncompressed_size <<= 8;
uncompressed_size += compressed_buffer[8]; uncompressed_size <<= 8;
uncompressed_size += compressed_buffer[9]; uncompressed_size <<= 8;
uncompressed_size += compressed_buffer[10]; uncompressed_size <<= 8;
uncompressed_size += compressed_buffer[11];
/* It is possible the section consists of several compressed
buffers concatenated together, so we uncompress in a loop. */
strm.zalloc = NULL;
strm.zfree = NULL;
strm.opaque = NULL;
strm.avail_in = compressed_size - header_size;
strm.next_in = (Bytef *) compressed_buffer + header_size;
strm.avail_out = uncompressed_size;
uncompressed_buffer = xmalloc (uncompressed_size);
rc = inflateInit (& strm);
while (strm.avail_in > 0)
{
if (rc != Z_OK)
goto fail;
strm.next_out = ((Bytef *) uncompressed_buffer
+ (uncompressed_size - strm.avail_out));
rc = inflate (&strm, Z_FINISH);
if (rc != Z_STREAM_END)
goto fail;
rc = inflateReset (& strm);
}
rc = inflateEnd (& strm);
if (rc != Z_OK
|| strm.avail_out != 0)
goto fail;
free (compressed_buffer);
*buffer = uncompressed_buffer;
*size = uncompressed_size;
return 1;
fail:
free (uncompressed_buffer);
return 0;
#endif /* HAVE_ZLIB_H */
}
/* Apply relocations to a debug section. */
static void
debug_apply_relocations (void * file,
Elf_Internal_Shdr * section,
unsigned char * start)
{
Elf_Internal_Shdr * relsec;
unsigned char * end = start + section->sh_size;
if (elf_header.e_type != ET_REL)
return;
/* Find the reloc section associated with the debug section. */
for (relsec = section_headers;
relsec < section_headers + elf_header.e_shnum;
++relsec)
{
bfd_boolean is_rela;
unsigned long num_relocs;
Elf_Internal_Rela * relocs;
Elf_Internal_Rela * rp;
Elf_Internal_Shdr * symsec;
Elf_Internal_Sym * symtab;
Elf_Internal_Sym * sym;
if ((relsec->sh_type != SHT_RELA && relsec->sh_type != SHT_REL)
|| relsec->sh_info >= elf_header.e_shnum
|| section_headers + relsec->sh_info != section
|| relsec->sh_size == 0
|| relsec->sh_link >= elf_header.e_shnum)
continue;
is_rela = relsec->sh_type == SHT_RELA;
if (is_rela)
{
if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size,
& relocs, & num_relocs))
return;
}
else
{
if (!slurp_rel_relocs (file, relsec->sh_offset, relsec->sh_size,
& relocs, & num_relocs))
return;
}
/* SH uses RELA but uses in place value instead of the addend field. */
if (elf_header.e_machine == EM_SH)
is_rela = FALSE;
symsec = section_headers + relsec->sh_link;
symtab = GET_ELF_SYMBOLS (file, symsec);
for (rp = relocs; rp < relocs + num_relocs; ++rp)
{
bfd_vma addend;
unsigned int reloc_type;
unsigned int reloc_size;
unsigned char * loc;
reloc_type = get_reloc_type (rp->r_info);
if (is_none_reloc (reloc_type))
continue;
if (is_32bit_abs_reloc (reloc_type)
|| is_32bit_pcrel_reloc (reloc_type))
reloc_size = 4;
else if (is_64bit_abs_reloc (reloc_type)
|| is_64bit_pcrel_reloc (reloc_type))
reloc_size = 8;
else if (is_16bit_abs_reloc (reloc_type))
reloc_size = 2;
else
{
warn (_("unable to apply unsupported reloc type %d to section %s\n"),
reloc_type, SECTION_NAME (section));
continue;
}
loc = start + rp->r_offset;
if ((loc + reloc_size) > end)
{
warn (_("skipping invalid relocation offset 0x%lx in section %s\n"),
(unsigned long) rp->r_offset,
SECTION_NAME (section));
continue;
}
sym = symtab + get_reloc_symindex (rp->r_info);
/* If the reloc has a symbol associated with it,
make sure that it is of an appropriate type.
Relocations against symbols without type can happen.
Gcc -feliminate-dwarf2-dups may generate symbols
without type for debug info.
Icc generates relocations against function symbols
instead of local labels.
Relocations against object symbols can happen, eg when
referencing a global array. For an example of this see
the _clz.o binary in libgcc.a. */
if (sym != symtab
&& ELF_ST_TYPE (sym->st_info) > STT_SECTION)
{
warn (_("skipping unexpected symbol type %s in %ld'th relocation in section %s\n"),
get_symbol_type (ELF_ST_TYPE (sym->st_info)),
(long int)(rp - relocs),
SECTION_NAME (relsec));
continue;
}
addend = is_rela ? rp->r_addend : byte_get (loc, reloc_size);
if (is_32bit_pcrel_reloc (reloc_type)
|| is_64bit_pcrel_reloc (reloc_type))
{
/* On HPPA, all pc-relative relocations are biased by 8. */
if (elf_header.e_machine == EM_PARISC)
addend -= 8;
byte_put (loc, (addend + sym->st_value) - rp->r_offset,
reloc_size);
}
else
byte_put (loc, addend + sym->st_value, reloc_size);
}
free (symtab);
free (relocs);
break;
}
}
static int
load_specific_debug_section (enum dwarf_section_display_enum debug,
Elf_Internal_Shdr * sec, void * file)
{
struct dwarf_section * section = &debug_displays [debug].section;
char buf [64];
int section_is_compressed;
/* If it is already loaded, do nothing. */
if (section->start != NULL)
return 1;
section_is_compressed = section->name == section->compressed_name;
snprintf (buf, sizeof (buf), _("%s section data"), section->name);
section->address = sec->sh_addr;
section->size = sec->sh_size;
section->start = get_data (NULL, file, sec->sh_offset, 1,
sec->sh_size, buf);
if (section->start == NULL)
return 0;
if (section_is_compressed)
if (! uncompress_section_contents (&section->start, &section->size))
return 0;
if (debug_displays [debug].relocate)
debug_apply_relocations (file, sec, section->start);
return 1;
}
int
load_debug_section (enum dwarf_section_display_enum debug, void * file)
{
struct dwarf_section * section = &debug_displays [debug].section;
Elf_Internal_Shdr * sec;
/* Locate the debug section. */
sec = find_section (section->uncompressed_name);
if (sec != NULL)
section->name = section->uncompressed_name;
else
{
sec = find_section (section->compressed_name);
if (sec != NULL)
section->name = section->compressed_name;
}
if (sec == NULL)
return 0;
return load_specific_debug_section (debug, sec, file);
}
void
free_debug_section (enum dwarf_section_display_enum debug)
{
struct dwarf_section * section = &debug_displays [debug].section;
if (section->start == NULL)
return;
free ((char *) section->start);
section->start = NULL;
section->address = 0;
section->size = 0;
}
static int
display_debug_section (Elf_Internal_Shdr * section, FILE * file)
{
char * name = SECTION_NAME (section);
bfd_size_type length;
int result = 1;
enum dwarf_section_display_enum i;
length = section->sh_size;
if (length == 0)
{
printf (_("\nSection '%s' has no debugging data.\n"), name);
return 0;
}
if (const_strneq (name, ".gnu.linkonce.wi."))
name = ".debug_info";
/* See if we know how to display the contents of this section. */
for (i = 0; i < max; i++)
if (streq (debug_displays[i].section.uncompressed_name, name)
|| streq (debug_displays[i].section.compressed_name, name))
{
struct dwarf_section * sec = &debug_displays [i].section;
int secondary = (section != find_section (name));
if (secondary)
free_debug_section (i);
if (streq (debug_displays[i].section.uncompressed_name, name))
sec->name = sec->uncompressed_name;
else
sec->name = sec->compressed_name;
if (load_specific_debug_section (i, section, file))
{
result &= debug_displays[i].display (sec, file);
if (secondary || (i != info && i != abbrev))
free_debug_section (i);
}
break;
}
if (i == max)
{
printf (_("Unrecognized debug section: %s\n"), name);
result = 0;
}
return result;
}
/* Set DUMP_SECTS for all sections where dumps were requested
based on section name. */
static void
initialise_dumps_byname (void)
{
struct dump_list_entry * cur;
for (cur = dump_sects_byname; cur; cur = cur->next)
{
unsigned int i;
int any;
for (i = 0, any = 0; i < elf_header.e_shnum; i++)
if (streq (SECTION_NAME (section_headers + i), cur->name))
{
request_dump_bynumber (i, cur->type);
any = 1;
}
if (!any)
warn (_("Section '%s' was not dumped because it does not exist!\n"),
cur->name);
}
}
static void
process_section_contents (FILE * file)
{
Elf_Internal_Shdr * section;
unsigned int i;
if (! do_dump)
return;
initialise_dumps_byname ();
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_as_bytes (section, file);
if (dump_sects[i] & DEBUG_DUMP)
display_debug_section (section, file);
if (dump_sects[i] & STRING_DUMP)
dump_section_as_strings (section, file);
}
/* Check to see if the user requested a
dump of a section that does not exist. */
while (i++ < num_dump_sects)
if (dump_sects[i])
warn (_("Section %d was not dumped because it does not exist!\n"), i);
}
static void
process_mips_fpe_exception (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);
}
/* ARM EABI attributes section. */
typedef struct
{
int tag;
const char * name;
/* 0 = special, 1 = string, 2 = uleb123, > 0x80 == table lookup. */
int type;
const char ** table;
} arm_attr_public_tag;
static const char * arm_attr_tag_CPU_arch[] =
{"Pre-v4", "v4", "v4T", "v5T", "v5TE", "v5TEJ", "v6", "v6KZ", "v6T2",
"v6K", "v7", "v6-M", "v6S-M"};
static const char * arm_attr_tag_ARM_ISA_use[] = {"No", "Yes"};
static const char * arm_attr_tag_THUMB_ISA_use[] =
{"No", "Thumb-1", "Thumb-2"};
static const char * arm_attr_tag_VFP_arch[] =
{"No", "VFPv1", "VFPv2", "VFPv3", "VFPv3-D16"};
static const char * arm_attr_tag_WMMX_arch[] = {"No", "WMMXv1", "WMMXv2"};
static const char * arm_attr_tag_Advanced_SIMD_arch[] = {"No", "NEONv1"};
static const char * arm_attr_tag_PCS_config[] =
{"None", "Bare platform", "Linux application", "Linux DSO", "PalmOS 2004",
"PalmOS (reserved)", "SymbianOS 2004", "SymbianOS (reserved)"};
static const char * arm_attr_tag_ABI_PCS_R9_use[] =
{"V6", "SB", "TLS", "Unused"};
static const char * arm_attr_tag_ABI_PCS_RW_data[] =
{"Absolute", "PC-relative", "SB-relative", "None"};
static const char * arm_attr_tag_ABI_PCS_RO_data[] =
{"Absolute", "PC-relative", "None"};
static const char * arm_attr_tag_ABI_PCS_GOT_use[] =
{"None", "direct", "GOT-indirect"};
static const char * arm_attr_tag_ABI_PCS_wchar_t[] =
{"None", "??? 1", "2", "??? 3", "4"};
static const char * arm_attr_tag_ABI_FP_rounding[] = {"Unused", "Needed"};
static const char * arm_attr_tag_ABI_FP_denormal[] =
{"Unused", "Needed", "Sign only"};
static const char * arm_attr_tag_ABI_FP_exceptions[] = {"Unused", "Needed"};
static const char * arm_attr_tag_ABI_FP_user_exceptions[] = {"Unused", "Needed"};
static const char * arm_attr_tag_ABI_FP_number_model[] =
{"Unused", "Finite", "RTABI", "IEEE 754"};
static const char * arm_attr_tag_ABI_align8_needed[] = {"No", "Yes", "4-byte"};
static const char * arm_attr_tag_ABI_align8_preserved[] =
{"No", "Yes, except leaf SP", "Yes"};
static const char * arm_attr_tag_ABI_enum_size[] =
{"Unused", "small", "int", "forced to int"};
static const char * arm_attr_tag_ABI_HardFP_use[] =
{"As Tag_VFP_arch", "SP only", "DP only", "SP and DP"};
static const char * arm_attr_tag_ABI_VFP_args[] =
{"AAPCS", "VFP registers", "custom"};
static const char * arm_attr_tag_ABI_WMMX_args[] =
{"AAPCS", "WMMX registers", "custom"};
static const char * arm_attr_tag_ABI_optimization_goals[] =
{"None", "Prefer Speed", "Aggressive Speed", "Prefer Size",
"Aggressive Size", "Prefer Debug", "Aggressive Debug"};
static const char * arm_attr_tag_ABI_FP_optimization_goals[] =
{"None", "Prefer Speed", "Aggressive Speed", "Prefer Size",
"Aggressive Size", "Prefer Accuracy", "Aggressive Accuracy"};
static const char * arm_attr_tag_CPU_unaligned_access[] = {"None", "v6"};
static const char * arm_attr_tag_VFP_HP_extension[] =
{"Not Allowed", "Allowed"};
static const char * arm_attr_tag_ABI_FP_16bit_format[] =
{"None", "IEEE 754", "Alternative Format"};
static const char * arm_attr_tag_T2EE_use[] = {"Not Allowed", "Allowed"};
static const char * arm_attr_tag_Virtualization_use[] =
{"Not Allowed", "Allowed"};
static const char * arm_attr_tag_MPextension_use[] = {"Not Allowed", "Allowed"};
#define LOOKUP(id, name) \
{id, #name, 0x80 | ARRAY_SIZE(arm_attr_tag_##name), arm_attr_tag_##name}
static arm_attr_public_tag arm_attr_public_tags[] =
{
{4, "CPU_raw_name", 1, NULL},
{5, "CPU_name", 1, NULL},
LOOKUP(6, CPU_arch),
{7, "CPU_arch_profile", 0, NULL},
LOOKUP(8, ARM_ISA_use),
LOOKUP(9, THUMB_ISA_use),
LOOKUP(10, VFP_arch),
LOOKUP(11, WMMX_arch),
LOOKUP(12, Advanced_SIMD_arch),
LOOKUP(13, PCS_config),
LOOKUP(14, ABI_PCS_R9_use),
LOOKUP(15, ABI_PCS_RW_data),
LOOKUP(16, ABI_PCS_RO_data),
LOOKUP(17, ABI_PCS_GOT_use),
LOOKUP(18, ABI_PCS_wchar_t),
LOOKUP(19, ABI_FP_rounding),
LOOKUP(20, ABI_FP_denormal),
LOOKUP(21, ABI_FP_exceptions),
LOOKUP(22, ABI_FP_user_exceptions),
LOOKUP(23, ABI_FP_number_model),
LOOKUP(24, ABI_align8_needed),
LOOKUP(25, ABI_align8_preserved),
LOOKUP(26, ABI_enum_size),
LOOKUP(27, ABI_HardFP_use),
LOOKUP(28, ABI_VFP_args),
LOOKUP(29, ABI_WMMX_args),
LOOKUP(30, ABI_optimization_goals),
LOOKUP(31, ABI_FP_optimization_goals),
{32, "compatibility", 0, NULL},
LOOKUP(34, CPU_unaligned_access),
LOOKUP(36, VFP_HP_extension),
LOOKUP(38, ABI_FP_16bit_format),
{64, "nodefaults", 0, NULL},
{65, "also_compatible_with", 0, NULL},
LOOKUP(66, T2EE_use),
{67, "conformance", 1, NULL},
LOOKUP(68, Virtualization_use),
LOOKUP(70, MPextension_use)
};
#undef LOOKUP
/* Read an unsigned LEB128 encoded value from p. Set *PLEN to the number of
bytes read. */
static unsigned int
read_uleb128 (unsigned char * p, unsigned int * plen)
{
unsigned char c;
unsigned int val;
int shift;
int len;
val = 0;
shift = 0;
len = 0;
do
{
c = *(p++);
len++;
val |= ((unsigned int)c & 0x7f) << shift;
shift += 7;
}
while (c & 0x80);
*plen = len;
return val;
}
static unsigned char *
display_arm_attribute (unsigned char * p)
{
int tag;
unsigned int len;
int val;
arm_attr_public_tag * attr;
unsigned i;
int type;
tag = read_uleb128 (p, &len);
p += len;
attr = NULL;
for (i = 0; i < ARRAY_SIZE (arm_attr_public_tags); i++)
{
if (arm_attr_public_tags[i].tag == tag)
{
attr = &arm_attr_public_tags[i];
break;
}
}
if (attr)
{
printf (" Tag_%s: ", attr->name);
switch (attr->type)
{
case 0:
switch (tag)
{
case 7: /* Tag_CPU_arch_profile. */
val = read_uleb128 (p, &len);
p += len;
switch (val)
{
case 0: printf ("None\n"); break;
case 'A': printf ("Application\n"); break;
case 'R': printf ("Realtime\n"); break;
case 'M': printf ("Microcontroller\n"); break;
default: printf ("??? (%d)\n", val); break;
}
break;
case 32: /* Tag_compatibility. */
val = read_uleb128 (p, &len);
p += len;
printf ("flag = %d, vendor = %s\n", val, p);
p += strlen ((char *) p) + 1;
break;
case 64: /* Tag_nodefaults. */
p++;
printf ("True\n");
break;
case 65: /* Tag_also_compatible_with. */
val = read_uleb128 (p, &len);
p += len;
if (val == 6 /* Tag_CPU_arch. */)
{
val = read_uleb128 (p, &len);
p += len;
if ((unsigned int)val >= ARRAY_SIZE (arm_attr_tag_CPU_arch))
printf ("??? (%d)\n", val);
else
printf ("%s\n", arm_attr_tag_CPU_arch[val]);
}
else
printf ("???\n");
while (*(p++) != '\0' /* NUL terminator. */);
break;
default:
abort ();
}
return p;
case 1:
case 2:
type = attr->type;
break;
default:
assert (attr->type & 0x80);
val = read_uleb128 (p, &len);
p += len;
type = attr->type & 0x7f;
if (val >= type)
printf ("??? (%d)\n", val);
else
printf ("%s\n", attr->table[val]);
return p;
}
}
else
{
if (tag & 1)
type = 1; /* String. */
else
type = 2; /* uleb128. */
printf (" Tag_unknown_%d: ", tag);
}
if (type == 1)
{
printf ("\"%s\"\n", p);
p += strlen ((char *) p) + 1;
}
else
{
val = read_uleb128 (p, &len);
p += len;
printf ("%d (0x%x)\n", val, val);
}
return p;
}
static unsigned char *
display_gnu_attribute (unsigned char * p,
unsigned char * (* display_proc_gnu_attribute) (unsigned char *, int))
{
int tag;
unsigned int len;
int val;
int type;
tag = read_uleb128 (p, &len);
p += len;
/* Tag_compatibility is the only generic GNU attribute defined at
present. */
if (tag == 32)
{
val = read_uleb128 (p, &len);
p += len;
printf ("flag = %d, vendor = %s\n", val, p);
p += strlen ((char *) p) + 1;
return p;
}
if ((tag & 2) == 0 && display_proc_gnu_attribute)
return display_proc_gnu_attribute (p, tag);
if (tag & 1)
type = 1; /* String. */
else
type = 2; /* uleb128. */
printf (" Tag_unknown_%d: ", tag);
if (type == 1)
{
printf ("\"%s\"\n", p);
p += strlen ((char *) p) + 1;
}
else
{
val = read_uleb128 (p, &len);
p += len;
printf ("%d (0x%x)\n", val, val);
}
return p;
}
static unsigned char *
display_power_gnu_attribute (unsigned char * p, int tag)
{
int type;
unsigned int len;
int val;
if (tag == Tag_GNU_Power_ABI_FP)
{
val = read_uleb128 (p, &len);
p += len;
printf (" Tag_GNU_Power_ABI_FP: ");
switch (val)
{
case 0:
printf ("Hard or soft float\n");
break;
case 1:
printf ("Hard float\n");
break;
case 2:
printf ("Soft float\n");
break;
case 3:
printf ("Single-precision hard float\n");
break;
default:
printf ("??? (%d)\n", val);
break;
}
return p;
}
if (tag == Tag_GNU_Power_ABI_Vector)
{
val = read_uleb128 (p, &len);
p += len;
printf (" Tag_GNU_Power_ABI_Vector: ");
switch (val)
{
case 0:
printf ("Any\n");
break;
case 1:
printf ("Generic\n");
break;
case 2:
printf ("AltiVec\n");
break;
case 3:
printf ("SPE\n");
break;
default:
printf ("??? (%d)\n", val);
break;
}
return p;
}
if (tag == Tag_GNU_Power_ABI_Struct_Return)
{
val = read_uleb128 (p, &len);
p += len;
printf (" Tag_GNU_Power_ABI_Struct_Return: ");
switch (val)
{
case 0:
printf ("Any\n");
break;
case 1:
printf ("r3/r4\n");
break;
case 2:
printf ("Memory\n");
break;
default:
printf ("??? (%d)\n", val);
break;
}
return p;
}
if (tag & 1)
type = 1; /* String. */
else
type = 2; /* uleb128. */
printf (" Tag_unknown_%d: ", tag);
if (type == 1)
{
printf ("\"%s\"\n", p);
p += strlen ((char *) p) + 1;
}
else
{
val = read_uleb128 (p, &len);
p += len;
printf ("%d (0x%x)\n", val, val);
}
return p;
}
static unsigned char *
display_mips_gnu_attribute (unsigned char * p, int tag)
{
int type;
unsigned int len;
int val;
if (tag == Tag_GNU_MIPS_ABI_FP)
{
val = read_uleb128 (p, &len);
p += len;
printf (" Tag_GNU_MIPS_ABI_FP: ");
switch (val)
{
case 0:
printf ("Hard or soft float\n");
break;
case 1:
printf ("Hard float (-mdouble-float)\n");
break;
case 2:
printf ("Hard float (-msingle-float)\n");
break;
case 3:
printf ("Soft float\n");
break;
case 4:
printf ("64-bit float (-mips32r2 -mfp64)\n");
break;
default:
printf ("??? (%d)\n", val);
break;
}
return p;
}
if (tag & 1)
type = 1; /* String. */
else
type = 2; /* uleb128. */
printf (" Tag_unknown_%d: ", tag);
if (type == 1)
{
printf ("\"%s\"\n", p);
p += strlen ((char *) p) + 1;
}
else
{
val = read_uleb128 (p, &len);
p += len;
printf ("%d (0x%x)\n", val, val);
}
return p;
}
static int
process_attributes (FILE * file,
const char * public_name,
unsigned int proc_type,
unsigned char * (* display_pub_attribute) (unsigned char *),
unsigned char * (* display_proc_gnu_attribute) (unsigned char *, int))
{
Elf_Internal_Shdr * sect;
unsigned char * contents;
unsigned char * p;
unsigned char * end;
bfd_vma section_len;
bfd_vma len;
unsigned i;
/* Find the section header so that we get the size. */
for (i = 0, sect = section_headers;
i < elf_header.e_shnum;
i++, sect++)
{
if (sect->sh_type != proc_type && sect->sh_type != SHT_GNU_ATTRIBUTES)
continue;
contents = get_data (NULL, file, sect->sh_offset, 1, sect->sh_size,
_("attributes"));
if (contents == NULL)
continue;
p = contents;
if (*p == 'A')
{
len = sect->sh_size - 1;
p++;
while (len > 0)
{
int namelen;
bfd_boolean public_section;
bfd_boolean gnu_section;
section_len = byte_get (p, 4);
p += 4;
if (section_len > len)
{
printf (_("ERROR: Bad section length (%d > %d)\n"),
(int) section_len, (int) len);
section_len = len;
}
len -= section_len;
printf ("Attribute Section: %s\n", p);
if (public_name && streq ((char *) p, public_name))
public_section = TRUE;
else
public_section = FALSE;
if (streq ((char *) p, "gnu"))
gnu_section = TRUE;
else
gnu_section = FALSE;
namelen = strlen ((char *) p) + 1;
p += namelen;
section_len -= namelen + 4;
while (section_len > 0)
{
int tag = *(p++);
int val;
bfd_vma size;
size = byte_get (p, 4);
if (size > section_len)
{
printf (_("ERROR: Bad subsection length (%d > %d)\n"),
(int) size, (int) section_len);
size = section_len;
}
section_len -= size;
end = p + size - 1;
p += 4;
switch (tag)
{
case 1:
printf ("File Attributes\n");
break;
case 2:
printf ("Section Attributes:");
goto do_numlist;
case 3:
printf ("Symbol Attributes:");
do_numlist:
for (;;)
{
unsigned int i;
val = read_uleb128 (p, &i);
p += i;
if (val == 0)
break;
printf (" %d", val);
}
printf ("\n");
break;
default:
printf ("Unknown tag: %d\n", tag);
public_section = FALSE;
break;
}
if (public_section)
{
while (p < end)
p = display_pub_attribute (p);
}
else if (gnu_section)
{
while (p < end)
p = display_gnu_attribute (p,
display_proc_gnu_attribute);
}
else
{
/* ??? Do something sensible, like dump hex. */
printf (" Unknown section contexts\n");
p = end;
}
}
}
}
else
printf (_("Unknown format '%c'\n"), *p);
free (contents);
}
return 1;
}
static int
process_arm_specific (FILE * file)
{
return process_attributes (file, "aeabi", SHT_ARM_ATTRIBUTES,
display_arm_attribute, NULL);
}
static int
process_power_specific (FILE * file)
{
return process_attributes (file, NULL, SHT_GNU_ATTRIBUTES, NULL,
display_power_gnu_attribute);
}
/* DATA points to the contents of a MIPS GOT that starts at VMA PLTGOT.
Print the Address, Access and Initial fields of an entry at VMA ADDR
and return the VMA of the next entry. */
static bfd_vma
print_mips_got_entry (unsigned char * data, bfd_vma pltgot, bfd_vma addr)
{
printf (" ");
print_vma (addr, LONG_HEX);
printf (" ");
if (addr < pltgot + 0xfff0)
printf ("%6d(gp)", (int) (addr - pltgot - 0x7ff0));
else
printf ("%10s", "");
printf (" ");
if (data == NULL)
printf ("%*s", is_32bit_elf ? 8 : 16, "<unknown>");
else
{
bfd_vma entry;
entry = byte_get (data + addr - pltgot, is_32bit_elf ? 4 : 8);
print_vma (entry, LONG_HEX);
}
return addr + (is_32bit_elf ? 4 : 8);
}
/* DATA points to the contents of a MIPS PLT GOT that starts at VMA
PLTGOT. Print the Address and Initial fields of an entry at VMA
ADDR and return the VMA of the next entry. */
static bfd_vma
print_mips_pltgot_entry (unsigned char * data, bfd_vma pltgot, bfd_vma addr)
{
printf (" ");
print_vma (addr, LONG_HEX);
printf (" ");
if (data == NULL)
printf ("%*s", is_32bit_elf ? 8 : 16, "<unknown>");
else
{
bfd_vma entry;
entry = byte_get (data + addr - pltgot, is_32bit_elf ? 4 : 8);
print_vma (entry, LONG_HEX);
}
return addr + (is_32bit_elf ? 4 : 8);
}
static int
process_mips_specific (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;
size_t pltrelsz = 0;
size_t pltrel = 0;
bfd_vma pltgot = 0;
bfd_vma mips_pltgot = 0;
bfd_vma jmprel = 0;
bfd_vma local_gotno = 0;
bfd_vma gotsym = 0;
bfd_vma symtabno = 0;
process_attributes (file, NULL, SHT_GNU_ATTRIBUTES, NULL,
display_mips_gnu_attribute);
/* We have a lot of special sections. Thanks SGI! */
if (dynamic_section == NULL)
/* No information available. */
return 0;
for (entry = dynamic_section; entry->d_tag != DT_NULL; ++entry)
switch (entry->d_tag)
{
case DT_MIPS_LIBLIST:
liblist_offset
= offset_from_vma (file, entry->d_un.d_val,
liblistno * sizeof (Elf32_External_Lib));
break;
case DT_MIPS_LIBLISTNO:
liblistno = entry->d_un.d_val;
break;
case DT_MIPS_OPTIONS:
options_offset = offset_from_vma (file, entry->d_un.d_val, 0);
break;
case DT_MIPS_CONFLICT:
conflicts_offset
= offset_from_vma (file, entry->d_un.d_val,
conflictsno * sizeof (Elf32_External_Conflict));
break;
case DT_MIPS_CONFLICTNO:
conflictsno = entry->d_un.d_val;
break;
case DT_PLTGOT:
pltgot = entry->d_un.d_ptr;
break;
case DT_MIPS_LOCAL_GOTNO:
local_gotno = entry->d_un.d_val;
break;
case DT_MIPS_GOTSYM:
gotsym = entry->d_un.d_val;
break;
case DT_MIPS_SYMTABNO:
symtabno = entry->d_un.d_val;
break;
case DT_MIPS_PLTGOT:
mips_pltgot = entry->d_un.d_ptr;
break;
case DT_PLTREL:
pltrel = entry->d_un.d_val;
break;
case DT_PLTRELSZ:
pltrelsz = entry->d_un.d_val;
break;
case DT_JMPREL:
jmprel = entry->d_un.d_ptr;
break;
default:
break;
}
if (liblist_offset != 0 && liblistno != 0 && do_dynamic)
{
Elf32_External_Lib * elib;
size_t cnt;
elib = 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);
snprintf (timebuf, sizeof (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);
if (VALID_DYNAMIC_NAME (liblist.l_name))
print_symbol (20, GET_DYNAMIC_NAME (liblist.l_name));
else
printf ("<corrupt: %9ld>", 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 < ARRAY_SIZE (l_flags_vals); ++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 = get_data (NULL, file, options_offset, 1, sect->sh_size,
_("options"));
if (eopt)
{
iopt = cmalloc ((sect->sh_size / sizeof (eopt)), sizeof (* iopt));
if (iopt == NULL)
{
error (_("Out of memory\n"));
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_GET (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 found without a dynamic symbol table\n"));
return 0;
}
iconf = cmalloc (conflictsno, sizeof (* iconf));
if (iconf == NULL)
{
error (_("Out of memory\n"));
return 0;
}
if (is_32bit_elf)
{
Elf32_External_Conflict * econf32;
econf32 = 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 = 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 %lu entries:\n"),
(unsigned 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 (' ');
if (VALID_DYNAMIC_NAME (psym->st_name))
print_symbol (25, GET_DYNAMIC_NAME (psym->st_name));
else
printf ("<corrupt: %14ld>", psym->st_name);
putchar ('\n');
}
free (iconf);
}
if (pltgot != 0 && local_gotno != 0)
{
bfd_vma entry, local_end, global_end;
size_t i, offset;
unsigned char * data;
int addr_size;
entry = pltgot;
addr_size = (is_32bit_elf ? 4 : 8);
local_end = pltgot + local_gotno * addr_size;
global_end = local_end + (symtabno - gotsym) * addr_size;
offset = offset_from_vma (file, pltgot, global_end - pltgot);
data = get_data (NULL, file, offset, global_end - pltgot, 1, _("GOT"));
printf (_("\nPrimary GOT:\n"));
printf (_(" Canonical gp value: "));
print_vma (pltgot + 0x7ff0, LONG_HEX);
printf ("\n\n");
printf (_(" Reserved entries:\n"));
printf (_(" %*s %10s %*s Purpose\n"),
addr_size * 2, "Address", "Access",
addr_size * 2, "Initial");
entry = print_mips_got_entry (data, pltgot, entry);
printf (" Lazy resolver\n");
if (data
&& (byte_get (data + entry - pltgot, addr_size)
>> (addr_size * 8 - 1)) != 0)
{
entry = print_mips_got_entry (data, pltgot, entry);
printf (" Module pointer (GNU extension)\n");
}
printf ("\n");
if (entry < local_end)
{
printf (_(" Local entries:\n"));
printf (_(" %*s %10s %*s\n"),
addr_size * 2, "Address", "Access",
addr_size * 2, "Initial");
while (entry < local_end)
{
entry = print_mips_got_entry (data, pltgot, entry);
printf ("\n");
}
printf ("\n");
}
if (gotsym < symtabno)
{
int sym_width;
printf (_(" Global entries:\n"));
printf (_(" %*s %10s %*s %*s %-7s %3s %s\n"),
addr_size * 2, "Address", "Access",
addr_size * 2, "Initial",
addr_size * 2, "Sym.Val.", "Type", "Ndx", "Name");
sym_width = (is_32bit_elf ? 80 : 160) - 28 - addr_size * 6 - 1;
for (i = gotsym; i < symtabno; i++)
{
Elf_Internal_Sym * psym;
psym = dynamic_symbols + i;
entry = print_mips_got_entry (data, pltgot, entry);
printf (" ");
print_vma (psym->st_value, LONG_HEX);
printf (" %-7s %3s ",
get_symbol_type (ELF_ST_TYPE (psym->st_info)),
get_symbol_index_type (psym->st_shndx));
if (VALID_DYNAMIC_NAME (psym->st_name))
print_symbol (sym_width, GET_DYNAMIC_NAME (psym->st_name));
else
printf ("<corrupt: %14ld>", psym->st_name);
printf ("\n");
}
printf ("\n");
}
if (data)
free (data);
}
if (mips_pltgot != 0 && jmprel != 0 && pltrel != 0 && pltrelsz != 0)
{
bfd_vma entry, end;
size_t offset, rel_offset;
unsigned long count, i;
unsigned char * data;
int addr_size, sym_width;
Elf_Internal_Rela * rels;
rel_offset = offset_from_vma (file, jmprel, pltrelsz);
if (pltrel == DT_RELA)
{
if (!slurp_rela_relocs (file, rel_offset, pltrelsz, &rels, &count))
return 0;
}
else
{
if (!slurp_rel_relocs (file, rel_offset, pltrelsz, &rels, &count))
return 0;
}
entry = mips_pltgot;
addr_size = (is_32bit_elf ? 4 : 8);
end = mips_pltgot + (2 + count) * addr_size;
offset = offset_from_vma (file, mips_pltgot, end - mips_pltgot);
data = get_data (NULL, file, offset, end - mips_pltgot, 1, _("PLT GOT"));
printf (_("\nPLT GOT:\n\n"));
printf (_(" Reserved entries:\n"));
printf (_(" %*s %*s Purpose\n"),
addr_size * 2, "Address", addr_size * 2, "Initial");
entry = print_mips_pltgot_entry (data, mips_pltgot, entry);
printf (" PLT lazy resolver\n");
entry = print_mips_pltgot_entry (data, mips_pltgot, entry);
printf (" Module pointer\n");
printf ("\n");
printf (_(" Entries:\n"));
printf (_(" %*s %*s %*s %-7s %3s %s\n"),
addr_size * 2, "Address",
addr_size * 2, "Initial",
addr_size * 2, "Sym.Val.", "Type", "Ndx", "Name");
sym_width = (is_32bit_elf ? 80 : 160) - 17 - addr_size * 6 - 1;
for (i = 0; i < count; i++)
{
Elf_Internal_Sym * psym;
psym = dynamic_symbols + get_reloc_symindex (rels[i].r_info);
entry = print_mips_pltgot_entry (data, mips_pltgot, entry);
printf (" ");
print_vma (psym->st_value, LONG_HEX);
printf (" %-7s %3s ",
get_symbol_type (ELF_ST_TYPE (psym->st_info)),
get_symbol_index_type (psym->st_shndx));
if (VALID_DYNAMIC_NAME (psym->st_name))
print_symbol (sym_width, GET_DYNAMIC_NAME (psym->st_name));
else
printf ("<corrupt: %14ld>", psym->st_name);
printf ("\n");
}
printf ("\n");
if (data)
free (data);
free (rels);
}
return 1;
}
static int
process_gnu_liblist (FILE * file)
{
Elf_Internal_Shdr * section;
Elf_Internal_Shdr * string_sec;
Elf32_External_Lib * elib;
char * strtab;
size_t strtab_size;
size_t cnt;
unsigned i;
if (! do_arch)
return 0;
for (i = 0, section = section_headers;
i < elf_header.e_shnum;
i++, section++)
{
switch (section->sh_type)
{
case SHT_GNU_LIBLIST:
if (section->sh_link >= elf_header.e_shnum)
break;
elib = get_data (NULL, file, section->sh_offset, 1, section->sh_size,
_("liblist"));
if (elib == NULL)
break;
string_sec = section_headers + section->sh_link;
strtab = get_data (NULL, file, string_sec->sh_offset, 1,
string_sec->sh_size, _("liblist string table"));
strtab_size = string_sec->sh_size;
if (strtab == NULL
|| section->sh_entsize != sizeof (Elf32_External_Lib))
{
free (elib);
break;
}
printf (_("\nLibrary list section '%s' contains %lu entries:\n"),
SECTION_NAME (section),
(unsigned long) (section->sh_size / sizeof (Elf32_External_Lib)));
puts (" Library Time Stamp Checksum Version Flags");
for (cnt = 0; cnt < section->sh_size / sizeof (Elf32_External_Lib);
++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);
snprintf (timebuf, sizeof (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);
if (do_wide)
printf ("%-20s", liblist.l_name < strtab_size
? strtab + liblist.l_name : "<corrupt>");
else
printf ("%-20.20s", liblist.l_name < strtab_size
? strtab + liblist.l_name : "<corrupt>");
printf (" %s %#010lx %-7ld %-7ld\n", timebuf, liblist.l_checksum,
liblist.l_version, liblist.l_flags);
}
free (elib);
}
}
return 1;
}
static const char *
get_note_type (unsigned e_type)
{
static char buff[64];
if (elf_header.e_type == ET_CORE)
switch (e_type)
{
case NT_AUXV:
return _("NT_AUXV (auxiliary vector)");
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_PPC_VMX:
return _("NT_PPC_VMX (ppc Altivec registers)");
case NT_PPC_VSX:
return _("NT_PPC_VSX (ppc VSX registers)");
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 structure)");
default:
break;
}
else
switch (e_type)
{
case NT_VERSION:
return _("NT_VERSION (version)");
case NT_ARCH:
return _("NT_ARCH (architecture)");
default:
break;
}
snprintf (buff, sizeof (buff), _("Unknown note type: (0x%08x)"), e_type);
return buff;
}
static const char *
get_gnu_elf_note_type (unsigned e_type)
{
static char buff[64];
switch (e_type)
{
case NT_GNU_ABI_TAG:
return _("NT_GNU_ABI_TAG (ABI version tag)");
case NT_GNU_HWCAP:
return _("NT_GNU_HWCAP (DSO-supplied software HWCAP info)");
case NT_GNU_BUILD_ID:
return _("NT_GNU_BUILD_ID (unique build ID bitstring)");
case NT_GNU_GOLD_VERSION:
return _("NT_GNU_GOLD_VERSION (gold version)");
default:
break;
}
snprintf (buff, sizeof (buff), _("Unknown note type: (0x%08x)"), e_type);
return buff;
}
static const char *
get_netbsd_elfcore_note_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)
{
snprintf (buff, sizeof (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;
}
}
snprintf (buff, sizeof (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 (Elf_Internal_Note * pnote)
{
const char * name = pnote->namesz ? pnote->namedata : "(NONE)";
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 (const_strneq (pnote->namedata, "GNU"))
/* GNU-specific object file notes. */
nt = get_gnu_elf_note_type (pnote->type);
else if (const_strneq (pnote->namedata, "NetBSD-CORE"))
/* NetBSD-specific core file notes. */
nt = get_netbsd_elfcore_note_type (pnote->type);
else if (strneq (pnote->namedata, "SPU/", 4))
{
/* SPU-specific core file notes. */
nt = pnote->namedata + 4;
name = "SPU";
}
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", name, pnote->descsz, nt);
return 1;
}
static int
process_corefile_note_segment (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 = get_data (NULL, file, offset, 1, 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))
{
Elf_External_Note * next;
Elf_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);
next = (Elf_External_Note *) (inote.descdata + align_power (inote.descsz, 2));
if (((char *) next) > (((char *) pnotes) + length))
{
warn (_("corrupt note found at offset %lx into core notes\n"),
(unsigned long) ((char *) external - (char *) pnotes));
warn (_(" type: %lx, namesize: %08lx, descsize: %08lx\n"),
inote.type, inote.namesz, inote.descsz);
break;
}
external = next;
/* 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)
{
Elf_Internal_Phdr * segment;
unsigned int i;
int res = 1;
if (! get_program_headers (file))
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);
}
return res;
}
static int
process_note_sections (FILE * file)
{
Elf_Internal_Shdr * section;
unsigned long i;
int res = 1;
for (i = 0, section = section_headers;
i < elf_header.e_shnum;
i++, section++)
if (section->sh_type == SHT_NOTE)
res &= process_corefile_note_segment (file,
(bfd_vma) section->sh_offset,
(bfd_vma) section->sh_size);
return res;
}
static int
process_notes (FILE * file)
{
/* If we have not been asked to display the notes then do nothing. */
if (! do_notes)
return 1;
if (elf_header.e_type != ET_CORE)
return process_note_sections (file);
/* No program headers means no NOTE segment. */
if (elf_header.e_phnum > 0)
return process_corefile_note_segments (file);
printf (_("No note segments present in the core file.\n"));
return 1;
}
static int
process_arch_specific (FILE * file)
{
if (! do_arch)
return 1;
switch (elf_header.e_machine)
{
case EM_ARM:
return process_arm_specific (file);
case EM_MIPS:
case EM_MIPS_RS3_LE:
return process_mips_specific (file);
break;
case EM_PPC:
return process_power_specific (file);
break;
default:
break;
}
return 1;
}
static int
get_file_header (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;
byte_put = byte_put_little_endian;
break;
case ELFDATA2MSB:
byte_get = byte_get_big_endian;
byte_put = byte_put_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
overwriting 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_GET (ehdr64.e_entry);
elf_header.e_phoff = BYTE_GET (ehdr64.e_phoff);
elf_header.e_shoff = BYTE_GET (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);
}
if (elf_header.e_shoff)
{
/* 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;
}
/* Process one ELF object file according to the command line options.
This file may actually be stored in an archive. The file is
positioned at the start of the ELF object. */
static int
process_object (char * file_name, FILE * file)
{
unsigned int i;
if (! get_file_header (file))
{
error (_("%s: Failed to read file header\n"), file_name);
return 1;
}
/* Initialise per file variables. */
for (i = ARRAY_SIZE (version_info); i--;)
version_info[i] = 0;
for (i = ARRAY_SIZE (dynamic_info); i--;)
dynamic_info[i] = 0;
/* Process the file. */
if (show_name)
printf (_("\nFile: %s\n"), file_name);
/* Initialise the dump_sects array from the cmdline_dump_sects array.
Note we do this even if cmdline_dump_sects is empty because we
must make sure that the dump_sets array is zeroed out before each
object file is processed. */
if (num_dump_sects > num_cmdline_dump_sects)
memset (dump_sects, 0, num_dump_sects * sizeof (* dump_sects));
if (num_cmdline_dump_sects > 0)
{
if (num_dump_sects == 0)
/* A sneaky way of allocating the dump_sects array. */
request_dump_bynumber (num_cmdline_dump_sects, 0);
assert (num_dump_sects >= num_cmdline_dump_sects);
memcpy (dump_sects, cmdline_dump_sects,
num_cmdline_dump_sects * sizeof (* dump_sects));
}
if (! process_file_header ())
return 1;
if (! process_section_headers (file))
{
/* Without loaded section headers we cannot process lots of
things. */
do_unwind = do_version = do_dump = do_arch = 0;
if (! do_using_dynamic)
do_syms = do_reloc = 0;
}
if (! process_section_groups (file))
{
/* Without loaded section groups we cannot process unwind. */
do_unwind = 0;
}
if (process_program_headers (file))
process_dynamic_section (file);
process_relocs (file);
process_unwind (file);
process_symbol_table (file);
process_syminfo (file);
process_version_sections (file);
process_section_contents (file);
process_notes (file);
process_gnu_liblist (file);
process_arch_specific (file);
if (program_headers)
{
free (program_headers);
program_headers = NULL;
}
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;
dynamic_strings_length = 0;
}
if (dynamic_symbols)
{
free (dynamic_symbols);
dynamic_symbols = NULL;
num_dynamic_syms = 0;
}
if (dynamic_syminfo)
{
free (dynamic_syminfo);
dynamic_syminfo = NULL;
}
if (section_headers_groups)
{
free (section_headers_groups);
section_headers_groups = NULL;
}
if (section_groups)
{
struct group_list * g;
struct group_list * next;
for (i = 0; i < group_count; i++)
{
for (g = section_groups [i].root; g != NULL; g = next)
{
next = g->next;
free (g);
}
}
free (section_groups);
section_groups = NULL;
}
free_debug_memory ();
return 0;
}
/* Return the path name for a proxy entry in a thin archive, adjusted relative
to the path name of the thin archive itself if necessary. Always returns
a pointer to malloc'ed memory. */
static char *
adjust_relative_path (char * file_name, char * name, int name_len)
{
char * member_file_name;
const char * base_name = lbasename (file_name);
/* This is a proxy entry for a thin archive member.
If the extended name table contains an absolute path
name, or if the archive is in the current directory,
use the path name as given. Otherwise, we need to
find the member relative to the directory where the
archive is located. */
if (IS_ABSOLUTE_PATH (name) || base_name == file_name)
{
member_file_name = malloc (name_len + 1);
if (member_file_name == NULL)
{
error (_("Out of memory\n"));
return NULL;
}
memcpy (member_file_name, name, name_len);
member_file_name[name_len] = '\0';
}
else
{
/* Concatenate the path components of the archive file name
to the relative path name from the extended name table. */
size_t prefix_len = base_name - file_name;
member_file_name = malloc (prefix_len + name_len + 1);
if (member_file_name == NULL)
{
error (_("Out of memory\n"));
return NULL;
}
memcpy (member_file_name, file_name, prefix_len);
memcpy (member_file_name + prefix_len, name, name_len);
member_file_name[prefix_len + name_len] = '\0';
}
return member_file_name;
}
/* Structure to hold information about an archive file. */
struct archive_info
{
char * file_name; /* Archive file name. */
FILE * file; /* Open file descriptor. */
unsigned long index_num; /* Number of symbols in table. */
unsigned long * index_array; /* The array of member offsets. */
char * sym_table; /* The symbol table. */
unsigned long sym_size; /* Size of the symbol table. */
char * longnames; /* The long file names table. */
unsigned long longnames_size; /* Size of the long file names table. */
unsigned long nested_member_origin; /* Origin in the nested archive of the current member. */
unsigned long next_arhdr_offset; /* Offset of the next archive header. */
bfd_boolean is_thin_archive; /* TRUE if this is a thin archive. */
struct ar_hdr arhdr; /* Current archive header. */
};
/* Read the symbol table and long-name table from an archive. */
static int
setup_archive (struct archive_info * arch, char * file_name, FILE * file,
bfd_boolean is_thin_archive, bfd_boolean read_symbols)
{
size_t got;
unsigned long size;
arch->file_name = strdup (file_name);
arch->file = file;
arch->index_num = 0;
arch->index_array = NULL;
arch->sym_table = NULL;
arch->sym_size = 0;
arch->longnames = NULL;
arch->longnames_size = 0;
arch->nested_member_origin = 0;
arch->is_thin_archive = is_thin_archive;
arch->next_arhdr_offset = SARMAG;
/* Read the first archive member header. */
if (fseek (file, SARMAG, SEEK_SET) != 0)
{
error (_("%s: failed to seek to first archive header\n"), file_name);
return 1;
}
got = fread (&arch->arhdr, 1, sizeof arch->arhdr, file);
if (got != sizeof arch->arhdr)
{
if (got == 0)
return 0;
error (_("%s: failed to read archive header\n"), file_name);
return 1;
}
/* See if this is the archive symbol table. */
if (const_strneq (arch->arhdr.ar_name, "/ ")
|| const_strneq (arch->arhdr.ar_name, "/SYM64/ "))
{
size = strtoul (arch->arhdr.ar_size, NULL, 10);
size = size + (size & 1);
arch->next_arhdr_offset += sizeof arch->arhdr + size;
if (read_symbols)
{
unsigned long i;
/* A buffer used to hold numbers read in from an archive index.
These are always 4 bytes long and stored in big-endian format. */
#define SIZEOF_AR_INDEX_NUMBERS 4
unsigned char integer_buffer[SIZEOF_AR_INDEX_NUMBERS];
unsigned char * index_buffer;
/* Check the size of the archive index. */
if (size < SIZEOF_AR_INDEX_NUMBERS)
{
error (_("%s: the archive index is empty\n"), file_name);
return 1;
}
/* Read the numer of entries in the archive index. */
got = fread (integer_buffer, 1, sizeof integer_buffer, file);
if (got != sizeof (integer_buffer))
{
error (_("%s: failed to read archive index\n"), file_name);
return 1;
}
arch->index_num = byte_get_big_endian (integer_buffer, sizeof integer_buffer);
size -= SIZEOF_AR_INDEX_NUMBERS;
/* Read in the archive index. */
if (size < arch->index_num * SIZEOF_AR_INDEX_NUMBERS)
{
error (_("%s: the archive index is supposed to have %ld entries, but the size in the header is too small\n"),
file_name, arch->index_num);
return 1;
}
index_buffer = malloc (arch->index_num * SIZEOF_AR_INDEX_NUMBERS);
if (index_buffer == NULL)
{
error (_("Out of memory whilst trying to read archive symbol index\n"));
return 1;
}
got = fread (index_buffer, SIZEOF_AR_INDEX_NUMBERS, arch->index_num, file);
if (got != arch->index_num)
{
free (index_buffer);
error (_("%s: failed to read archive index\n"), file_name);
return 1;
}
size -= arch->index_num * SIZEOF_AR_INDEX_NUMBERS;
/* Convert the index numbers into the host's numeric format. */
arch->index_array = malloc (arch->index_num * sizeof (* arch->index_array));
if (arch->index_array == NULL)
{
free (index_buffer);
error (_("Out of memory whilst trying to convert the archive symbol index\n"));
return 1;
}
for (i = 0; i < arch->index_num; i++)
arch->index_array[i] = byte_get_big_endian ((unsigned char *) (index_buffer + (i * SIZEOF_AR_INDEX_NUMBERS)),
SIZEOF_AR_INDEX_NUMBERS);
free (index_buffer);
/* The remaining space in the header is taken up by the symbol table. */
if (size < 1)
{
error (_("%s: the archive has an index but no symbols\n"), file_name);
return 1;
}
arch->sym_table = malloc (size);
arch->sym_size = size;
if (arch->sym_table == NULL)
{
error (_("Out of memory whilst trying to read archive index symbol table\n"));
return 1;
}
got = fread (arch->sym_table, 1, size, file);
if (got != size)
{
error (_("%s: failed to read archive index symbol table\n"), file_name);
return 1;
}
}
else
{
if (fseek (file, size, SEEK_CUR) != 0)
{
error (_("%s: failed to skip archive symbol table\n"), file_name);
return 1;
}
}
/* Read the next archive header. */
got = fread (&arch->arhdr, 1, sizeof arch->arhdr, file);
if (got != sizeof arch->arhdr)
{
if (got == 0)
return 0;
error (_("%s: failed to read archive header following archive index\n"), file_name);
return 1;
}
}
else if (read_symbols)
printf (_("%s has no archive index\n"), file_name);
if (const_strneq (arch->arhdr.ar_name, "// "))
{
/* This is the archive string table holding long member names. */
arch->longnames_size = strtoul (arch->arhdr.ar_size, NULL, 10);
arch->next_arhdr_offset += sizeof arch->arhdr + arch->longnames_size;
arch->longnames = malloc (arch->longnames_size);
if (arch->longnames == NULL)
{
error (_("Out of memory reading long symbol names in archive\n"));
return 1;
}
if (fread (arch->longnames, arch->longnames_size, 1, file) != 1)
{
free (arch->longnames);
arch->longnames = NULL;
error (_("%s: failed to read long symbol name string table\n"), file_name);
return 1;
}
if ((arch->longnames_size & 1) != 0)
getc (file);
}
return 0;
}
/* Release the memory used for the archive information. */
static void
release_archive (struct archive_info * arch)
{
if (arch->file_name != NULL)
free (arch->file_name);
if (arch->index_array != NULL)
free (arch->index_array);
if (arch->sym_table != NULL)
free (arch->sym_table);
if (arch->longnames != NULL)
free (arch->longnames);
}
/* Open and setup a nested archive, if not already open. */
static int
setup_nested_archive (struct archive_info * nested_arch, char * member_file_name)
{
FILE * member_file;
/* Have we already setup this archive? */
if (nested_arch->file_name != NULL
&& streq (nested_arch->file_name, member_file_name))
return 0;
/* Close previous file and discard cached information. */
if (nested_arch->file != NULL)
fclose (nested_arch->file);
release_archive (nested_arch);
member_file = fopen (member_file_name, "rb");
if (member_file == NULL)
return 1;
return setup_archive (nested_arch, member_file_name, member_file, FALSE, FALSE);
}
static char *
get_archive_member_name_at (struct archive_info * arch,
unsigned long offset,
struct archive_info * nested_arch);
/* Get the name of an archive member from the current archive header.
For simple names, this will modify the ar_name field of the current
archive header. For long names, it will return a pointer to the
longnames table. For nested archives, it will open the nested archive
and get the name recursively. NESTED_ARCH is a single-entry cache so
we don't keep rereading the same information from a nested archive. */
static char *
get_archive_member_name (struct archive_info * arch,
struct archive_info * nested_arch)
{
unsigned long j, k;
if (arch->arhdr.ar_name[0] == '/')
{
/* We have a long name. */
char * endp;
char * member_file_name;
char * member_name;
arch->nested_member_origin = 0;
k = j = strtoul (arch->arhdr.ar_name + 1, &endp, 10);
if (arch->is_thin_archive && endp != NULL && * endp == ':')
arch->nested_member_origin = strtoul (endp + 1, NULL, 10);
while ((j < arch->longnames_size)
&& (arch->longnames[j] != '\n')
&& (arch->longnames[j] != '\0'))
j++;
if (arch->longnames[j-1] == '/')
j--;
arch->longnames[j] = '\0';
if (!arch->is_thin_archive || arch->nested_member_origin == 0)
return arch->longnames + k;
/* This is a proxy for a member of a nested archive.
Find the name of the member in that archive. */
member_file_name = adjust_relative_path (arch->file_name, arch->longnames + k, j - k);
if (member_file_name != NULL
&& setup_nested_archive (nested_arch, member_file_name) == 0
&& (member_name = get_archive_member_name_at (nested_arch, arch->nested_member_origin, NULL)) != NULL)
{
free (member_file_name);
return member_name;
}
free (member_file_name);
/* Last resort: just return the name of the nested archive. */
return arch->longnames + k;
}
/* We have a normal (short) name. */
j = 0;
while ((arch->arhdr.ar_name[j] != '/') && (j < 16))
j++;
arch->arhdr.ar_name[j] = '\0';
return arch->arhdr.ar_name;
}
/* Get the name of an archive member at a given OFFSET within an archive ARCH. */
static char *
get_archive_member_name_at (struct archive_info * arch,
unsigned long offset,
struct archive_info * nested_arch)
{
size_t got;
if (fseek (arch->file, offset, SEEK_SET) != 0)
{
error (_("%s: failed to seek to next file name\n"), arch->file_name);
return NULL;
}
got = fread (&arch->arhdr, 1, sizeof arch->arhdr, arch->file);
if (got != sizeof arch->arhdr)
{
error (_("%s: failed to read archive header\n"), arch->file_name);
return NULL;
}
if (memcmp (arch->arhdr.ar_fmag, ARFMAG, 2) != 0)
{
error (_("%s: did not find a valid archive header\n"), arch->file_name);
return NULL;
}
return get_archive_member_name (arch, nested_arch);
}
/* Construct a string showing the name of the archive member, qualified
with the name of the containing archive file. For thin archives, we
use square brackets to denote the indirection. For nested archives,
we show the qualified name of the external member inside the square
brackets (e.g., "thin.a[normal.a(foo.o)]"). */
static char *
make_qualified_name (struct archive_info * arch,
struct archive_info * nested_arch,
char * member_name)
{
size_t len;
char * name;
len = strlen (arch->file_name) + strlen (member_name) + 3;
if (arch->is_thin_archive && arch->nested_member_origin != 0)
len += strlen (nested_arch->file_name) + 2;
name = malloc (len);
if (name == NULL)
{
error (_("Out of memory\n"));
return NULL;
}
if (arch->is_thin_archive && arch->nested_member_origin != 0)
snprintf (name, len, "%s[%s(%s)]", arch->file_name, nested_arch->file_name, member_name);
else if (arch->is_thin_archive)
snprintf (name, len, "%s[%s]", arch->file_name, member_name);
else
snprintf (name, len, "%s(%s)", arch->file_name, member_name);
return name;
}
/* Process an ELF archive.
On entry the file is positioned just after the ARMAG string. */
static int
process_archive (char * file_name, FILE * file, bfd_boolean is_thin_archive)
{
struct archive_info arch;
struct archive_info nested_arch;
size_t got;
size_t file_name_size;
int ret;
show_name = 1;
/* The ARCH structure is used to hold information about this archive. */
arch.file_name = NULL;
arch.file = NULL;
arch.index_array = NULL;
arch.sym_table = NULL;
arch.longnames = NULL;
/* The NESTED_ARCH structure is used as a single-item cache of information
about a nested archive (when members of a thin archive reside within
another regular archive file). */
nested_arch.file_name = NULL;
nested_arch.file = NULL;
nested_arch.index_array = NULL;
nested_arch.sym_table = NULL;
nested_arch.longnames = NULL;
if (setup_archive (&arch, file_name, file, is_thin_archive, do_archive_index) != 0)
{
ret = 1;
goto out;
}
if (do_archive_index)
{
if (arch.sym_table == NULL)
error (_("%s: unable to dump the index as none was found\n"), file_name);
else
{
unsigned int i, l;
unsigned long current_pos;
printf (_("Index of archive %s: (%ld entries, 0x%lx bytes in the symbol table)\n"),
file_name, arch.index_num, arch.sym_size);
current_pos = ftell (file);
for (i = l = 0; i < arch.index_num; i++)
{
if ((i == 0) || ((i > 0) && (arch.index_array[i] != arch.index_array[i - 1])))
{
char * member_name;
member_name = get_archive_member_name_at (&arch, arch.index_array[i], &nested_arch);
if (member_name != NULL)
{
char * qualified_name = make_qualified_name (&arch, &nested_arch, member_name);
if (qualified_name != NULL)
{
printf (_("Binary %s contains:\n"), qualified_name);
free (qualified_name);
}
}
}
if (l >= arch.sym_size)
{
error (_("%s: end of the symbol table reached before the end of the index\n"),
file_name);
break;
}
printf ("\t%s\n", arch.sym_table + l);
l += strlen (arch.sym_table + l) + 1;
}
if (l & 01)
++l;
if (l < arch.sym_size)
error (_("%s: symbols remain in the index symbol table, but without corresponding entries in the index table\n"),
file_name);
if (fseek (file, current_pos, SEEK_SET) != 0)
{
error (_("%s: failed to seek back to start of object files in the archive\n"), file_name);
ret = 1;
goto out;
}
}
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
&& !do_section_groups)
{
ret = 0; /* Archive index only. */
goto out;
}
}
file_name_size = strlen (file_name);
ret = 0;
while (1)
{
char * name;
size_t namelen;
char * qualified_name;
/* Read the next archive header. */
if (fseek (file, arch.next_arhdr_offset, SEEK_SET) != 0)
{
error (_("%s: failed to seek to next archive header\n"), file_name);
return 1;
}
got = fread (&arch.arhdr, 1, sizeof arch.arhdr, file);
if (got != sizeof arch.arhdr)
{
if (got == 0)
break;
error (_("%s: failed to read archive header\n"), file_name);
ret = 1;
break;
}
if (memcmp (arch.arhdr.ar_fmag, ARFMAG, 2) != 0)
{
error (_("%s: did not find a valid archive header\n"), arch.file_name);
ret = 1;
break;
}
arch.next_arhdr_offset += sizeof arch.arhdr;
archive_file_size = strtoul (arch.arhdr.ar_size, NULL, 10);
if (archive_file_size & 01)
++archive_file_size;
name = get_archive_member_name (&arch, &nested_arch);
if (name == NULL)
{
error (_("%s: bad archive file name\n"), file_name);
ret = 1;
break;
}
namelen = strlen (name);
qualified_name = make_qualified_name (&arch, &nested_arch, name);
if (qualified_name == NULL)
{
error (_("%s: bad archive file name\n"), file_name);
ret = 1;
break;
}
if (is_thin_archive && arch.nested_member_origin == 0)
{
/* This is a proxy for an external member of a thin archive. */
FILE * member_file;
char * member_file_name = adjust_relative_path (file_name, name, namelen);
if (member_file_name == NULL)
{
ret = 1;
break;
}
member_file = fopen (member_file_name, "rb");
if (member_file == NULL)
{
error (_("Input file '%s' is not readable.\n"), member_file_name);
free (member_file_name);
ret = 1;
break;
}
archive_file_offset = arch.nested_member_origin;
ret |= process_object (qualified_name, member_file);
fclose (member_file);
free (member_file_name);
}
else if (is_thin_archive)
{
/* This is a proxy for a member of a nested archive. */
archive_file_offset = arch.nested_member_origin + sizeof arch.arhdr;
/* The nested archive file will have been opened and setup by
get_archive_member_name. */
if (fseek (nested_arch.file, archive_file_offset, SEEK_SET) != 0)
{
error (_("%s: failed to seek to archive member.\n"), nested_arch.file_name);
ret = 1;
break;
}
ret |= process_object (qualified_name, nested_arch.file);
}
else
{
archive_file_offset = arch.next_arhdr_offset;
arch.next_arhdr_offset += archive_file_size;
ret |= process_object (qualified_name, file);
}
free (qualified_name);
}
out:
if (nested_arch.file != NULL)
fclose (nested_arch.file);
release_archive (&nested_arch);
release_archive (&arch);
return ret;
}
static int
process_file (char * file_name)
{
FILE * file;
struct stat statbuf;
char armag[SARMAG];
int ret;
if (stat (file_name, &statbuf) < 0)
{
if (errno == ENOENT)
error (_("'%s': No such file\n"), file_name);
else
error (_("Could not locate '%s'. System error message: %s\n"),
file_name, strerror (errno));
return 1;
}
if (! S_ISREG (statbuf.st_mode))
{
error (_("'%s' is not an ordinary file\n"), file_name);
return 1;
}
file = fopen (file_name, "rb");
if (file == NULL)
{
error (_("Input file '%s' is not readable.\n"), file_name);
return 1;
}
if (fread (armag, SARMAG, 1, file) != 1)
{
error (_("%s: Failed to read file's magic number\n"), file_name);
fclose (file);
return 1;
}
if (memcmp (armag, ARMAG, SARMAG) == 0)
ret = process_archive (file_name, file, FALSE);
else if (memcmp (armag, ARMAGT, SARMAG) == 0)
ret = process_archive (file_name, file, TRUE);
else
{
if (do_archive_index)
error (_("File %s is not an archive so its index cannot be displayed.\n"),
file_name);
rewind (file);
archive_file_size = archive_file_offset = 0;
ret = process_object (file_name, file);
}
fclose (file);
return ret;
}
#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 (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);
expandargv (&argc, &argv);
parse_args (argc, argv);
if (num_dump_sects > 0)
{
/* Make a copy of the dump_sects array. */
cmdline_dump_sects = malloc (num_dump_sects * sizeof (* dump_sects));
if (cmdline_dump_sects == NULL)
error (_("Out of memory allocating dump request table.\n"));
else
{
memcpy (cmdline_dump_sects, dump_sects,
num_dump_sects * sizeof (* dump_sects));
num_cmdline_dump_sects = num_dump_sects;
}
}
if (optind < (argc - 1))
show_name = 1;
err = 0;
while (optind < argc)
err |= process_file (argv[optind++]);
if (dump_sects != NULL)
free (dump_sects);
if (cmdline_dump_sects != NULL)
free (cmdline_dump_sects);
return err;
}
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