#include <assert.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <time.h>
#if __GNUC__ >= 2
#define BFD64
#endif
#include "bfd.h"
#include "elf/common.h"
#include "elf/external.h"
#include "elf/internal.h"
#include "elf/dwarf2.h"
#define RELOC_MACROS_GEN_FUNC
#include "elf/alpha.h"
#include "elf/arc.h"
#include "elf/arm.h"
#include "elf/avr.h"
#include "elf/cris.h"
#include "elf/d10v.h"
#include "elf/d30v.h"
#include "elf/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/m32c.h"
#include "elf/m32r.h"
#include "elf/m68k.h"
#include "elf/m68hc11.h"
#include "elf/mcore.h"
#include "elf/mips.h"
#include "elf/mmix.h"
#include "elf/mn10200.h"
#include "elf/mn10300.h"
#include "elf/ms1.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/sh.h"
#include "elf/sparc.h"
#include "elf/v850.h"
#include "elf/vax.h"
#include "elf/x86-64.h"
#include "elf/xstormy16.h"
#include "elf/crx.h"
#include "elf/iq2000.h"
#include "elf/xtensa.h"
#include "aout/ar.h"
#include "bucomm.h"
#include "getopt.h"
#include "libiberty.h"
char *program_name = "readelf";
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[64];
static bfd_vma dynamic_info[DT_JMPREL + 1];
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_wide;
static int do_histogram;
static int do_debugging;
static int do_debug_info;
static int do_debug_abbrevs;
static int do_debug_lines;
static int do_debug_pubnames;
static int do_debug_aranges;
static int do_debug_ranges;
static int do_debug_frames;
static int do_debug_frames_interp;
static int do_debug_macinfo;
static int do_debug_str;
static int do_debug_loc;
static int do_arch;
static int do_notes;
static int is_32bit_elf;
static int have_frame_base;
static int need_base_address;
static bfd_vma eh_addr_size;
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;
char *cmdline_dump_sects = NULL;
unsigned num_cmdline_dump_sects = 0;
char *dump_sects = NULL;
unsigned int num_dump_sects = 0;
#define HEX_DUMP (1 << 0)
#define DISASS_DUMP (1 << 1)
#define DEBUG_DUMP (1 << 2)
typedef enum print_mode
{
HEX,
DEC,
DEC_5,
UNSIGNED,
PREFIX_HEX,
FULL_HEX,
LONG_HEX
}
print_mode;
static bfd_vma (*byte_get) (unsigned char *, int);
static void (*byte_put) (unsigned char *, bfd_vma, int);
#define UNKNOWN -1
#define SECTION_NAME(X) ((X) == NULL ? "<none>" : \
((X)->sh_name >= string_table_length \
? "<corrupt>" : string_table + (X)->sh_name))
#define SECTION_HEADER_INDEX(I) \
((I) < SHN_LORESERVE \
? (I) \
: ((I) <= SHN_HIRESERVE \
? 0 \
: (I) - (SHN_HIRESERVE + 1 - SHN_LORESERVE)))
#define SECTION_HEADER_NUM(N) \
((N) < SHN_LORESERVE \
? (N) \
: (N) + (SHN_HIRESERVE + 1 - SHN_LORESERVE))
#define SECTION_HEADER(I) (section_headers + SECTION_HEADER_INDEX (I))
#define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag))
#define BYTE_GET(field) byte_get (field, sizeof (field))
#define NUM_ELEM(array) (sizeof (array) / sizeof ((array)[0]))
#define GET_ELF_SYMBOLS(file, section) \
(is_32bit_elf ? get_32bit_elf_symbols (file, section) \
: get_64bit_elf_symbols (file, section))
#define VALID_DYNAMIC_NAME(offset) ((dynamic_strings != NULL) && (offset < dynamic_strings_length))
#define GET_DYNAMIC_NAME(offset) (dynamic_strings + offset)
#define streq(a,b) (strcmp ((a), (b)) == 0)
#define strneq(a,b,n) (strncmp ((a), (b), (n)) == 0)
static void ATTRIBUTE_PRINTF_1
error (const char *message, ...)
{
va_list args;
va_start (args, message);
fprintf (stderr, _("%s: Error: "), program_name);
vfprintf (stderr, message, args);
va_end (args);
}
static void ATTRIBUTE_PRINTF_1
warn (const char *message, ...)
{
va_list args;
va_start (args, message);
fprintf (stderr, _("%s: Warning: "), program_name);
vfprintf (stderr, message, args);
va_end (args);
}
static void *
cmalloc (size_t nmemb, size_t size)
{
if (nmemb >= ~(size_t) 0 / size)
return NULL;
else
return malloc (nmemb * size);
}
static void *
xcmalloc (size_t nmemb, size_t size)
{
if (nmemb >= ~(size_t) 0 / size)
return NULL;
else
return xmalloc (nmemb * size);
}
static void *
xcrealloc (void *ptr, size_t nmemb, size_t size)
{
if (nmemb >= ~(size_t) 0 / size)
return NULL;
else
return xrealloc (ptr, nmemb * size);
}
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"),
archive_file_offset + offset, reason);
return NULL;
}
mvar = var;
if (mvar == NULL)
{
if (nmemb < (~(size_t) 0 - 1) / size)
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 bfd_vma
byte_get_little_endian (unsigned char *field, int size)
{
switch (size)
{
case 1:
return *field;
case 2:
return ((unsigned int) (field[0]))
| (((unsigned int) (field[1])) << 8);
#ifndef BFD64
case 8:
#endif
case 4:
return ((unsigned long) (field[0]))
| (((unsigned long) (field[1])) << 8)
| (((unsigned long) (field[2])) << 16)
| (((unsigned long) (field[3])) << 24);
#ifdef BFD64
case 8:
return ((bfd_vma) (field[0]))
| (((bfd_vma) (field[1])) << 8)
| (((bfd_vma) (field[2])) << 16)
| (((bfd_vma) (field[3])) << 24)
| (((bfd_vma) (field[4])) << 32)
| (((bfd_vma) (field[5])) << 40)
| (((bfd_vma) (field[6])) << 48)
| (((bfd_vma) (field[7])) << 56);
#endif
default:
error (_("Unhandled data length: %d\n"), size);
abort ();
}
}
static bfd_vma
byte_get_signed (unsigned char *field, int size)
{
bfd_vma x = byte_get (field, size);
switch (size)
{
case 1:
return (x ^ 0x80) - 0x80;
case 2:
return (x ^ 0x8000) - 0x8000;
case 4:
return (x ^ 0x80000000) - 0x80000000;
case 8:
return x;
default:
abort ();
}
}
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;
case 4:
field[3] = (value >> 24) & 0xff;
field[2] = (value >> 16) & 0xff;
case 2:
field[1] = (value >> 8) & 0xff;
case 1:
field[0] = value & 0xff;
break;
default:
error (_("Unhandled data length: %d\n"), size);
abort ();
}
}
#if defined BFD64 && !BFD_HOST_64BIT_LONG
static int
print_dec_vma (bfd_vma vma, int is_signed)
{
char buf[40];
char *bufp = buf;
int nc = 0;
if (is_signed && (bfd_signed_vma) vma < 0)
{
vma = -vma;
putchar ('-');
nc = 1;
}
do
{
*bufp++ = '0' + vma % 10;
vma /= 10;
}
while (vma != 0);
nc += bufp - buf;
while (bufp > buf)
putchar (*--bufp);
return nc;
}
static int
print_hex_vma (bfd_vma vma)
{
char buf[32];
char *bufp = buf;
int nc;
do
{
char digit = '0' + (vma & 0x0f);
if (digit > '9')
digit += 'a' - '0' - 10;
*bufp++ = digit;
vma >>= 4;
}
while (vma != 0);
nc = bufp - buf;
while (bufp > buf)
putchar (*--bufp);
return nc;
}
#endif
static int
print_vma (bfd_vma vma, print_mode mode)
{
#ifdef BFD64
if (is_32bit_elf)
#endif
{
switch (mode)
{
case FULL_HEX:
return printf ("0x%8.8lx", (unsigned long) vma);
case LONG_HEX:
return printf ("%8.8lx", (unsigned long) vma);
case DEC_5:
if (vma <= 99999)
return printf ("%5ld", (long) vma);
case PREFIX_HEX:
return printf ("0x%lx", (unsigned long) vma);
case HEX:
return printf ("%lx", (unsigned long) vma);
case DEC:
return printf ("%ld", (unsigned long) vma);
case UNSIGNED:
return printf ("%lu", (unsigned long) vma);
}
}
#ifdef BFD64
else
{
int nc = 0;
switch (mode)
{
case FULL_HEX:
nc = printf ("0x");
case LONG_HEX:
printf_vma (vma);
return nc + 16;
case PREFIX_HEX:
nc = printf ("0x");
case HEX:
#if BFD_HOST_64BIT_LONG
return nc + printf ("%lx", vma);
#else
return nc + print_hex_vma (vma);
#endif
case DEC:
#if BFD_HOST_64BIT_LONG
return printf ("%ld", vma);
#else
return print_dec_vma (vma, 1);
#endif
case DEC_5:
#if BFD_HOST_64BIT_LONG
if (vma <= 99999)
return printf ("%5ld", vma);
else
return printf ("%#lx", vma);
#else
if (vma <= 99999)
return printf ("%5ld", _bfd_int64_low (vma));
else
return print_hex_vma (vma);
#endif
case UNSIGNED:
#if BFD_HOST_64BIT_LONG
return printf ("%lu", vma);
#else
return print_dec_vma (vma, 0);
#endif
}
}
#endif
return 0;
}
static void
print_symbol (int width, const char *symbol)
{
if (do_wide)
printf ("%s", symbol);
else if (width < 0)
printf ("%-*.*s", width, width, symbol);
else
printf ("%-.*s", width, symbol);
}
static bfd_vma
byte_get_big_endian (unsigned char *field, int size)
{
switch (size)
{
case 1:
return *field;
case 2:
return ((unsigned int) (field[1])) | (((int) (field[0])) << 8);
#ifndef BFD64
case 8:
field += 4;
#endif
case 4:
return ((unsigned long) (field[3]))
| (((unsigned long) (field[2])) << 8)
| (((unsigned long) (field[1])) << 16)
| (((unsigned long) (field[0])) << 24);
#ifdef BFD64
case 8:
return ((bfd_vma) (field[7]))
| (((bfd_vma) (field[6])) << 8)
| (((bfd_vma) (field[5])) << 16)
| (((bfd_vma) (field[4])) << 24)
| (((bfd_vma) (field[3])) << 32)
| (((bfd_vma) (field[2])) << 40)
| (((bfd_vma) (field[1])) << 48)
| (((bfd_vma) (field[0])) << 56);
#endif
default:
error (_("Unhandled data length: %d\n"), size);
abort ();
}
}
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;
case 4:
field[3] = value & 0xff;
field[2] = (value >> 8) & 0xff;
value >>= 16;
case 2:
field[1] = value & 0xff;
value >>= 8;
case 1:
field[0] = value & 0xff;
break;
default:
error (_("Unhandled data length: %d\n"), size);
abort ();
}
}
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;
}
static int
guess_is_rela (unsigned long e_machine)
{
switch (e_machine)
{
case EM_ARM:
case EM_386:
case EM_486:
case EM_960:
case EM_DLX:
case EM_OPENRISC:
case EM_OR32:
case EM_CYGNUS_M32R:
case EM_D10V:
case EM_CYGNUS_D10V:
case EM_MIPS:
case EM_MIPS_RS3_LE:
return FALSE;
case EM_68K:
case EM_H8_300:
case EM_H8_300H:
case EM_H8S:
case EM_SPARC32PLUS:
case EM_SPARCV9:
case EM_SPARC:
case EM_PPC:
case EM_PPC64:
case EM_V850:
case EM_CYGNUS_V850:
case EM_D30V:
case EM_CYGNUS_D30V:
case EM_MN10200:
case EM_CYGNUS_MN10200:
case EM_MN10300:
case EM_CYGNUS_MN10300:
case EM_FR30:
case EM_CYGNUS_FR30:
case EM_CYGNUS_FRV:
case EM_SH:
case EM_ALPHA:
case EM_MCORE:
case EM_IA_64:
case EM_AVR:
case EM_AVR_OLD:
case EM_CRIS:
case EM_860:
case EM_X86_64:
case EM_S390:
case EM_S390_OLD:
case EM_MMIX:
case EM_MSP430:
case EM_MSP430_OLD:
case EM_XSTORMY16:
case EM_CRX:
case EM_VAX:
case EM_IP2K:
case EM_IP2K_OLD:
case EM_IQ2000:
case EM_XTENSA:
case EM_XTENSA_OLD:
case EM_M32R:
case EM_M32C:
case EM_MS1:
return TRUE;
case EM_MMA:
case EM_PCP:
case EM_NCPU:
case EM_NDR1:
case EM_STARCORE:
case EM_ME16:
case EM_ST100:
case EM_TINYJ:
case EM_FX66:
case EM_ST9PLUS:
case EM_ST7:
case EM_68HC16:
case EM_68HC11:
case EM_68HC08:
case EM_68HC05:
case EM_SVX:
case EM_ST19:
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"));
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"));
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);
}
*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"));
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"));
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);
}
*relsp = rels;
*nrelsp = nrels;
return 1;
}
static int
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 0;
}
else
{
if (!slurp_rel_relocs (file, rel_offset, rel_size, &rels, &rel_size))
return 0;
}
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;
const char *rtype2 = NULL;
const char *rtype3 = NULL;
bfd_vma offset;
bfd_vma info;
bfd_vma symtab_index;
bfd_vma type;
bfd_vma type2 = 0;
bfd_vma type3 = 0;
offset = rels[i].r_offset;
info = rels[i].r_info;
if (is_32bit_elf)
{
type = ELF32_R_TYPE (info);
symtab_index = ELF32_R_SYM (info);
}
else
{
#ifdef BFD64
if (elf_header.e_machine == EM_MIPS)
{
if (elf_header.e_ident[EI_DATA] != ELFDATA2MSB)
info = (((info & 0xffffffff) << 32)
| ((info >> 56) & 0xff)
| ((info >> 40) & 0xff00)
| ((info >> 24) & 0xff0000)
| ((info >> 8) & 0xff000000));
type = ELF64_MIPS_R_TYPE (info);
type2 = ELF64_MIPS_R_TYPE2 (info);
type3 = ELF64_MIPS_R_TYPE3 (info);
}
else if (elf_header.e_machine == EM_SPARCV9)
type = ELF64_R_TYPE_ID (info);
else
type = ELF64_R_TYPE (info);
symtab_index = ELF64_R_SYM (info);
#endif
}
if (is_32bit_elf)
{
#ifdef _bfd_int64_low
printf ("%8.8lx %8.8lx ", _bfd_int64_low (offset), _bfd_int64_low (info));
#else
printf ("%8.8lx %8.8lx ", offset, info);
#endif
}
else
{
#ifdef _bfd_int64_low
printf (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));
#else
printf (do_wide
? "%16.16lx %16.16lx "
: "%12.12lx %12.12lx ",
offset, info);
#endif
}
switch (elf_header.e_machine)
{
default:
rtype = NULL;
break;
case EM_M32R:
case EM_CYGNUS_M32R:
rtype = elf_m32r_reloc_type (type);
break;
case EM_386:
case EM_486:
rtype = elf_i386_reloc_type (type);
break;
case EM_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_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);
if (!is_32bit_elf)
{
rtype2 = elf_mips_reloc_type (type2);
rtype3 = elf_mips_reloc_type (type3);
}
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_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_M32C:
rtype = elf_m32c_reloc_type (type);
break;
case EM_MS1:
rtype = elf_ms1_reloc_type (type);
break;
}
if (rtype == NULL)
#ifdef _bfd_int64_low
printf (_("unrecognized: %-7lx"), _bfd_int64_low (type));
#else
printf (_("unrecognized: %-7lx"), type);
#endif
else
printf (do_wide ? "%-22.22s" : "%-17.17s", rtype);
if (elf_header.e_machine == EM_ALPHA
&& 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 (" ");
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)
{
bfd_vma sec_index = (bfd_vma) -1;
if (psym->st_shndx < SHN_LORESERVE)
sec_index = psym->st_shndx;
else if (psym->st_shndx > SHN_HIRESERVE)
sec_index = psym->st_shndx - (SHN_HIRESERVE + 1
- SHN_LORESERVE);
if (sec_index != (bfd_vma) -1)
sec_name = SECTION_NAME (section_headers + sec_index);
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_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
{
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)
printf (" + %lx", (unsigned long) rels[i].r_addend);
}
}
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 && streq (rtype, "R_SPARC_OLO10"))
printf (" + %lx", (unsigned long) ELF64_R_TYPE_DATA (info));
putchar ('\n');
if (! is_32bit_elf && elf_header.e_machine == EM_MIPS)
{
printf (" Type2: ");
if (rtype2 == NULL)
#ifdef _bfd_int64_low
printf (_("unrecognized: %-7lx"), _bfd_int64_low (type2));
#else
printf (_("unrecognized: %-7lx"), type2);
#endif
else
printf ("%-17.17s", rtype2);
printf ("\n Type3: ");
if (rtype3 == NULL)
#ifdef _bfd_int64_low
printf (_("unrecognized: %-7lx"), _bfd_int64_low (type3));
#else
printf (_("unrecognized: %-7lx"), type3);
#endif
else
printf ("%-17.17s", rtype3);
putchar ('\n');
}
}
free (rels);
return 1;
}
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";
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";
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_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";
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";
case DT_VERSYM: return "VERSYM";
case DT_RELACOUNT: return "RELACOUNT";
case DT_RELCOUNT: return "RELCOUNT";
case DT_FLAGS_1: return "FLAGS_1";
case DT_VERDEF: return "VERDEF";
case DT_VERDEFNUM: return "VERDEFNUM";
case DT_VERNEED: return "VERNEED";
case DT_VERNEEDNUM: return "VERNEEDNUM";
case DT_AUXILIARY: return "AUXILIARY";
case DT_USED: return "USED";
case DT_FILTER: return "FILTER";
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";
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;
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;
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];
switch (e_machine)
{
case EM_NONE: return _("None");
case EM_M32: return "WE32100";
case EM_SPARC: return "Sparc";
case EM_386: return "Intel 80386";
case EM_68K: return "MC68000";
case EM_88K: return "MC88000";
case EM_486: return "Intel 80486";
case EM_860: return "Intel 80860";
case EM_MIPS: return "MIPS R3000";
case EM_S370: return "IBM System/370";
case EM_MIPS_RS3_LE: return "MIPS R4000 big-endian";
case EM_OLD_SPARCV9: return "Sparc v9 (old)";
case EM_PARISC: return "HPPA";
case EM_PPC_OLD: return "Power PC (old)";
case EM_SPARC32PLUS: return "Sparc v8+" ;
case EM_960: return "Intel 90860";
case EM_PPC: return "PowerPC";
case EM_PPC64: return "PowerPC64";
case EM_V800: return "NEC V800";
case EM_FR20: return "Fujitsu FR20";
case EM_RH32: return "TRW RH32";
case EM_MCORE: return "MCORE";
case EM_ARM: return "ARM";
case EM_OLD_ALPHA: return "Digital Alpha (old)";
case EM_SH: return "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_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_M32C: return "Renesas M32c";
case EM_MS1: return "Morpho Techologies MS1 processor";
default:
snprintf (buff, sizeof (buff), _("<unknown>: %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;
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;
}
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;
flag = e_flags & - e_flags;
e_flags &= ~ flag;
switch (flag)
{
case EF_ARM_SYMSARESORTED:
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;
flag = e_flags & - e_flags;
e_flags &= ~ flag;
switch (flag)
{
case EF_ARM_SYMSARESORTED:
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");
while (e_flags)
{
unsigned flag;
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;
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_CPU32)
strcat (buf, ", cpu32");
if (e_flags & EF_M68000)
strcat (buf, ", m68000");
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 0:
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:
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;
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 "Amiga Research OS";
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 ((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";
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";
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_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))
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'},
{"hex-dump", required_argument, 0, 'x'},
{"debug-dump", optional_argument, 0, OPTION_DEBUG_DUMP},
{"unwind", no_argument, 0, 'u'},
#ifdef SUPPORT_DISASSEMBLY
{"instruction-dump", required_argument, 0, 'i'},
#endif
{"version", no_argument, 0, 'v'},
{"wide", no_argument, 0, 'W'},
{"help", no_argument, 0, 'H'},
{0, no_argument, 0, 0}
};
static void
usage (void)
{
fprintf (stdout, _("Usage: readelf <option(s)> elf-file(s)\n"));
fprintf (stdout, _(" Display information about the contents of ELF format files\n"));
fprintf (stdout, _(" Options are:\n\
-a --all Equivalent to: -h -l -S -s -r -d -V -A -I\n\
-h --file-header Display the ELF file header\n\
-l --program-headers Display the program headers\n\
--segments An alias for --program-headers\n\
-S --section-headers Display the sections' header\n\
--sections An alias for --section-headers\n\
-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\
-D --use-dynamic Use the dynamic section info when displaying symbols\n\
-x --hex-dump=<number> Dump the contents of section <number>\n\
-w[liaprmfFsoR] or\n\
--debug-dump[=line,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=str,=loc,=Ranges]\n\
Display the contents of DWARF2 debug sections\n"));
#ifdef SUPPORT_DISASSEMBLY
fprintf (stdout, _("\
-i --instruction-dump=<number>\n\
Disassemble the contents of section <number>\n"));
#endif
fprintf (stdout, _("\
-I --histogram Display histogram of bucket list lengths\n\
-W --wide Allow output width to exceed 80 characters\n\
-H --help Display this information\n\
-v --version Display the version number of readelf\n"));
fprintf (stdout, _("Report bugs to %s\n"), REPORT_BUGS_TO);
exit (0);
}
static void
request_dump (unsigned int section, int type)
{
if (section >= num_dump_sects)
{
char *new_dump_sects;
new_dump_sects = calloc (section + 1, 1);
if (new_dump_sects == NULL)
error (_("Out of memory allocating dump request table."));
else
{
memcpy (new_dump_sects, dump_sects, num_dump_sects);
free (dump_sects);
dump_sects = new_dump_sects;
num_dump_sects = section + 1;
}
}
if (dump_sects)
dump_sects[section] |= type;
return;
}
static void
parse_args (int argc, char **argv)
{
int c;
if (argc < 2)
usage ();
while ((c = getopt_long
(argc, argv, "ersuahnldSDAINtgw::x:i:vVWH", options, NULL)) != EOF)
{
char *cp;
int section;
switch (c)
{
case 0:
break;
case 'H':
usage ();
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 'x':
do_dump++;
section = strtoul (optarg, & cp, 0);
if (! *cp && section >= 0)
{
request_dump (section, HEX_DUMP);
break;
}
goto oops;
case 'w':
do_dump++;
if (optarg == 0)
do_debugging = 1;
else
{
unsigned int index = 0;
do_debugging = 0;
while (optarg[index])
switch (optarg[index++])
{
case 'i':
case 'I':
do_debug_info = 1;
break;
case 'a':
case 'A':
do_debug_abbrevs = 1;
break;
case 'l':
case 'L':
do_debug_lines = 1;
break;
case 'p':
case 'P':
do_debug_pubnames = 1;
break;
case 'r':
do_debug_aranges = 1;
break;
case 'R':
do_debug_ranges = 1;
break;
case 'F':
do_debug_frames_interp = 1;
case 'f':
do_debug_frames = 1;
break;
case 'm':
case 'M':
do_debug_macinfo = 1;
break;
case 's':
case 'S':
do_debug_str = 1;
break;
case 'o':
case 'O':
do_debug_loc = 1;
break;
default:
warn (_("Unrecognized debug option '%s'\n"), optarg);
break;
}
}
break;
case OPTION_DEBUG_DUMP:
do_dump++;
if (optarg == 0)
do_debugging = 1;
else
{
typedef struct
{
const char * option;
int * variable;
}
debug_dump_long_opts;
debug_dump_long_opts opts_table [] =
{
{ "Ranges", & do_debug_ranges },
{ "abbrev", & do_debug_abbrevs },
{ "aranges", & do_debug_aranges },
{ "frames", & do_debug_frames },
{ "frames-interp", & do_debug_frames_interp },
{ "info", & do_debug_info },
{ "line", & do_debug_lines },
{ "loc", & do_debug_loc },
{ "macro", & do_debug_macinfo },
{ "pubnames", & do_debug_pubnames },
{ "ranges", & do_debug_aranges },
{ "str", & do_debug_str },
{ NULL, NULL }
};
const char *p;
do_debugging = 0;
p = optarg;
while (*p)
{
debug_dump_long_opts * entry;
for (entry = opts_table; entry->option; entry++)
{
size_t len = strlen (entry->option);
if (strneq (p, entry->option, len)
&& (p[len] == ',' || p[len] == '\0'))
{
* entry->variable = 1;
if (do_debug_frames_interp)
do_debug_frames = 1;
p += len;
break;
}
}
if (entry->option == NULL)
{
warn (_("Unrecognized debug option '%s'\n"), p);
p = strchr (p, ',');
if (p == NULL)
break;
}
if (*p == ',')
p++;
}
}
break;
#ifdef SUPPORT_DISASSEMBLY
case 'i':
do_dump++;
section = strtoul (optarg, & cp, 0);
if (! *cp && section >= 0)
{
request_dump (section, DISASS_DUMP);
break;
}
goto oops;
#endif
case 'v':
print_version (program_name);
break;
case 'V':
do_version++;
break;
case 'W':
do_wide++;
break;
default:
oops:
error (_("Invalid option '-%c'\n"), c);
case '?':
usage ();
}
}
if (!do_dynamic && !do_syms && !do_reloc && !do_unwind && !do_sections
&& !do_segments && !do_header && !do_dump && !do_version
&& !do_histogram && !do_debugging && !do_arch && !do_notes
&& !do_section_groups)
usage ();
else if (argc < 3)
{
warn (_("Nothing to do.\n"));
usage ();
}
}
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;
}
}
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;
}
if (do_header)
{
int i;
printf (_("ELF Header:\n"));
printf (_(" Magic: "));
for (i = 0; i < EI_NIDENT; i++)
printf ("%2.2x ", elf_header.e_ident[i]);
printf ("\n");
printf (_(" Class: %s\n"),
get_elf_class (elf_header.e_ident[EI_CLASS]));
printf (_(" Data: %s\n"),
get_data_encoding (elf_header.e_ident[EI_DATA]));
printf (_(" Version: %d %s\n"),
elf_header.e_ident[EI_VERSION],
(elf_header.e_ident[EI_VERSION] == EV_CURRENT
? "(current)"
: (elf_header.e_ident[EI_VERSION] != EV_NONE
? "<unknown: %lx>"
: "")));
printf (_(" OS/ABI: %s\n"),
get_osabi_name (elf_header.e_ident[EI_OSABI]));
printf (_(" ABI Version: %d\n"),
elf_header.e_ident[EI_ABIVERSION]);
printf (_(" Type: %s\n"),
get_file_type (elf_header.e_type));
printf (_(" Machine: %s\n"),
get_machine_name (elf_header.e_machine));
printf (_(" Version: 0x%lx\n"),
(unsigned long) elf_header.e_version);
printf (_(" Entry point address: "));
print_vma ((bfd_vma) elf_header.e_entry, PREFIX_HEX);
printf (_("\n Start of program headers: "));
print_vma ((bfd_vma) elf_header.e_phoff, DEC);
printf (_(" (bytes into file)\n Start of section headers: "));
print_vma ((bfd_vma) elf_header.e_shoff, DEC);
printf (_(" (bytes into file)\n"));
printf (_(" Flags: 0x%lx%s\n"),
(unsigned long) elf_header.e_flags,
get_machine_flags (elf_header.e_flags, elf_header.e_machine));
printf (_(" Size of this header: %ld (bytes)\n"),
(long) elf_header.e_ehsize);
printf (_(" Size of program headers: %ld (bytes)\n"),
(long) elf_header.e_phentsize);
printf (_(" Number of program headers: %ld\n"),
(long) elf_header.e_phnum);
printf (_(" Size of section headers: %ld (bytes)\n"),
(long) elf_header.e_shentsize);
printf (_(" Number of section headers: %ld"),
(long) elf_header.e_shnum);
if (section_headers != NULL && elf_header.e_shnum == 0)
printf (" (%ld)", (long) section_headers[0].sh_size);
putc ('\n', stdout);
printf (_(" Section header string table index: %ld"),
(long) elf_header.e_shstrndx);
if (section_headers != NULL && elf_header.e_shstrndx == SHN_XINDEX)
printf (" (%ld)", (long) section_headers[0].sh_link);
putc ('\n', stdout);
}
if (section_headers != NULL)
{
if (elf_header.e_shnum == 0)
elf_header.e_shnum = section_headers[0].sh_size;
if (elf_header.e_shstrndx == SHN_XINDEX)
elf_header.e_shstrndx = section_headers[0].sh_link;
free (section_headers);
section_headers = NULL;
}
return 1;
}
static int
get_32bit_program_headers (FILE *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;
}
static int
get_program_headers (FILE *file)
{
Elf_Internal_Phdr *phdrs;
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;
}
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"));
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"));
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"));
else if (dynamic_addr > segment->p_offset)
warn (_("the .dynamic section is not the first section in the dynamic segment."));
}
else
{
dynamic_addr = segment->p_offset;
dynamic_size = segment->p_filesz;
}
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
{
program_interpreter[0] = 0;
fscanf (file, "%63s", program_interpreter);
if (do_segments)
printf (_("\n [Requesting program interpreter: %s]"),
program_interpreter);
}
break;
}
if (do_segments)
putc ('\n', stdout);
}
if (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;
printf (" %2.2d ", i);
for (j = 1; j < elf_header.e_shnum; j++, section++)
{
if (section->sh_size > 0
&& (section->sh_flags & SHF_ALLOC
? (section->sh_addr >= segment->p_vaddr
&& section->sh_addr + section->sh_size
<= segment->p_vaddr + segment->p_memsz)
: ((bfd_vma) section->sh_offset >= segment->p_offset
&& (section->sh_offset + section->sh_size
<= segment->p_offset + segment->p_filesz)))
&& (!((section->sh_flags & SHF_TLS) != 0
&& section->sh_type == SHT_NOBITS)
|| segment->p_type == PT_TLS))
printf ("%s ", SECTION_NAME (section));
}
putc ('\n',stdout);
}
}
return 1;
}
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"),
(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_HEADER_NUM (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 && shndx != NULL)
psym->st_shndx
= byte_get ((unsigned char *) &shndx[j], sizeof (shndx[j]));
psym->st_info = BYTE_GET (esyms[j].st_info);
psym->st_other = BYTE_GET (esyms[j].st_other);
}
if (shndx)
free (shndx);
free (esyms);
return isyms;
}
static Elf_Internal_Sym *
get_64bit_elf_symbols (FILE *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_HEADER_NUM (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 && shndx != NULL)
psym->st_shndx
= byte_get ((unsigned char *) &shndx[j], sizeof (shndx[j]));
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 index, size = sizeof (buff) - (8 + 4 + 1);
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 }
};
if (do_section_details)
{
sprintf (buff, "[%8.8lx]: ", (unsigned long) sh_flags);
p += 8 + 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;
break;
}
if (p != buff + 8 + 4)
{
if (size < 10 + 2)
abort ();
size -= 2;
*p++ = ',';
*p++ = ' ';
}
if (index != -1)
{
size -= flags [index].len;
p = stpcpy (p, flags [index].str);
}
else if (flag & SHF_MASKOS)
{
size -= 5 + 8;
sprintf (p, "OS (%8.8lx)", (unsigned long) flag);
p += 5 + 8;
}
else if (flag & SHF_MASKPROC)
{
size -= 7 + 8;
sprintf (p, "PROC (%8.8lx)", (unsigned long) flag);
p += 7 + 8;
}
else
{
size -= 10 + 8;
sprintf (p, "UNKNOWN (%8.8lx)", (unsigned long) flag);
p += 10 + 8;
}
}
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++;
}
}
*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;
if (SECTION_HEADER_INDEX (elf_header.e_shstrndx) < elf_header.e_shnum)
{
section = SECTION_HEADER (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;
}
}
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:
if ((elf_header.e_flags & EF_MIPS_ABI) == E_MIPS_ABI_EABI64
&& find_section (".gcc_compiled_long32") == NULL)
eh_addr_size = 8;
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)
&& strneq (name, ".debug_", 7))
{
name += 7;
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 (i, DEBUG_DUMP);
}
else if ((do_debugging || do_debug_info)
&& strneq (name, ".gnu.linkonce.wi.", 17))
request_dump (i, DEBUG_DUMP);
else if (do_debug_frames && streq (name, ".eh_frame"))
request_dump (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",
SECTION_HEADER_NUM (i),
SECTION_NAME (section));
if (is_32bit_elf || do_wide)
printf (" %-15.15s ",
get_section_type_name (section->sh_type));
}
else
printf (" [%2u] %-17.17s %-15.15s ",
SECTION_HEADER_NUM (i),
SECTION_NAME (section),
get_section_type_name (section->sh_type));
if (is_32bit_elf)
{
print_vma (section->sh_addr, LONG_HEX);
printf ( " %6.6lx %6.6lx %2.2lx",
(unsigned long) section->sh_offset,
(unsigned long) section->sh_size,
(unsigned long) section->sh_entsize);
if (do_section_details)
fputs (" ", stdout);
else
printf (" %3s ", get_elf_section_flags (section->sh_flags));
printf ("%2ld %3lu %2ld\n",
(unsigned long) section->sh_link,
(unsigned long) section->sh_info,
(unsigned long) section->sh_addralign);
}
else if (do_wide)
{
print_vma (section->sh_addr, LONG_HEX);
if ((long) section->sh_offset == section->sh_offset)
printf (" %6.6lx", (unsigned long) section->sh_offset);
else
{
putchar (' ');
print_vma (section->sh_offset, LONG_HEX);
}
if ((unsigned long) section->sh_size == section->sh_size)
printf (" %6.6lx", (unsigned long) section->sh_size);
else
{
putchar (' ');
print_vma (section->sh_size, LONG_HEX);
}
if ((unsigned long) section->sh_entsize == section->sh_entsize)
printf (" %2.2lx", (unsigned long) section->sh_entsize);
else
{
putchar (' ');
print_vma (section->sh_entsize, LONG_HEX);
}
if (do_section_details)
fputs (" ", stdout);
else
printf (" %3s ", get_elf_section_flags (section->sh_flags));
printf ("%2ld %3lu ",
(unsigned long) section->sh_link,
(unsigned long) section->sh_info);
if ((unsigned long) section->sh_addralign == section->sh_addralign)
printf ("%2ld\n", (unsigned long) section->sh_addralign);
else
{
print_vma (section->sh_addralign, DEC);
putchar ('\n');
}
}
else 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 (" %ld\n ", (unsigned long) section->sh_link);
print_vma (section->sh_size, LONG_HEX);
putchar (' ');
print_vma (section->sh_entsize, LONG_HEX);
printf (" %-16lu %ld\n",
(unsigned long) 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 (" %2ld %3lu %ld\n",
(unsigned long) section->sh_link,
(unsigned long) 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, *strtab_sec;
Elf_Internal_Sym *symtab;
char *strtab;
size_t strtab_size;
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;
}
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, *indices;
unsigned int entry, j, size;
Elf_Internal_Shdr *sec;
Elf_Internal_Sym *sym;
if (SECTION_HEADER_INDEX (section->sh_link) >= elf_header.e_shnum
|| ((sec = SECTION_HEADER (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)
{
bfd_vma sec_index = SECTION_HEADER_INDEX (sym->st_shndx);
if (sec_index == 0)
{
error (_("Bad sh_info in group section `%s'\n"), name);
continue;
}
group_name = SECTION_NAME (section_headers + sec_index);
strtab_sec = NULL;
if (strtab)
free (strtab);
strtab = NULL;
strtab_size = 0;
}
else
{
if (SECTION_HEADER_INDEX (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_HEADER (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 (SECTION_HEADER_INDEX (entry) >= elf_header.e_shnum)
{
error (_("section [%5u] in group section [%5u] > maximum section [%5u]\n"),
entry, i, elf_header.e_shnum - 1);
continue;
}
else if (entry >= SHN_LORESERVE && entry <= SHN_HIRESERVE)
{
error (_("invalid section [%5u] in group section [%5u]\n"),
entry, i);
continue;
}
if (section_headers_groups [SECTION_HEADER_INDEX (entry)]
!= NULL)
{
if (entry)
{
error (_("section [%5u] in group section [%5u] already in group section [%5u]\n"),
entry, i,
section_headers_groups [SECTION_HEADER_INDEX (entry)]->group_index);
continue;
}
else
{
static int warned = 0;
if (!warned)
{
error (_("section 0 in group section [%5u]\n"),
section_headers_groups [SECTION_HEADER_INDEX (entry)]->group_index);
warned++;
}
}
}
section_headers_groups [SECTION_HEADER_INDEX (entry)]
= group;
if (do_section_groups)
{
sec = SECTION_HEADER (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 }
};
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
&& SECTION_HEADER_INDEX (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_HEADER (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 (SECTION_HEADER_INDEX (symsec->sh_link)
< elf_header.e_shnum)
{
strsec = SECTION_HEADER (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;
}
#include "unwind-ia64.h"
struct absaddr
{
unsigned short section;
bfd_vma offset;
};
struct ia64_unw_aux_info
{
struct ia64_unw_table_entry
{
struct absaddr start;
struct absaddr end;
struct absaddr info;
}
*table;
unsigned long table_len;
unsigned char *info;
unsigned long info_size;
bfd_vma info_addr;
bfd_vma seg_base;
Elf_Internal_Sym *symtab;
unsigned long nsyms;
char *strtab;
unsigned long strtab_size;
};
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, *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 + (tp->info.offset - 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, *rp;
unsigned char *table, *tp;
Elf_Internal_Sym *sym;
const char *relname;
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;
}
}
}
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; tp += 3 * eh_addr_size, ++tep)
{
tep->start.section = SHN_UNDEF;
tep->end.section = SHN_UNDEF;
tep->info.section = SHN_UNDEF;
if (is_32bit_elf)
{
tep->start.offset = byte_get ((unsigned char *) tp + 0, 4);
tep->end.offset = byte_get ((unsigned char *) tp + 4, 4);
tep->info.offset = byte_get ((unsigned char *) tp + 8, 4);
}
else
{
tep->start.offset = BYTE_GET ((unsigned char *) tp + 0);
tep->end.offset = BYTE_GET ((unsigned char *) tp + 8);
tep->info.offset = BYTE_GET ((unsigned char *) tp + 16);
}
tep->start.offset += aux->seg_base;
tep->end.offset += aux->seg_base;
tep->info.offset += aux->seg_base;
}
free (table);
for (relsec = section_headers;
relsec < section_headers + elf_header.e_shnum;
++relsec)
{
if (relsec->sh_type != SHT_RELA
|| SECTION_HEADER_INDEX (relsec->sh_info) >= elf_header.e_shnum
|| SECTION_HEADER (relsec->sh_info) != sec)
continue;
if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size,
& rela, & nrelas))
return 0;
for (rp = rela; rp < rela + nrelas; ++rp)
{
if (is_32bit_elf)
{
relname = elf_ia64_reloc_type (ELF32_R_TYPE (rp->r_info));
sym = aux->symtab + ELF32_R_SYM (rp->r_info);
}
else
{
relname = elf_ia64_reloc_type (ELF64_R_TYPE (rp->r_info));
sym = aux->symtab + ELF64_R_SYM (rp->r_info);
}
if (! strneq (relname, "R_IA64_SEGREL", 13))
{
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, *unwsec = NULL, *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
&& SECTION_HEADER_INDEX (sec->sh_link) < elf_header.e_shnum)
{
aux.nsyms = sec->sh_size / sec->sh_entsize;
aux.symtab = GET_ELF_SYMBOLS (file, sec);
strsec = SECTION_HEADER (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)
{
struct group_list *g = section_headers_groups [i]->root;
for (; g != NULL; g = g->next)
{
sec = SECTION_HEADER (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))
{
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
{
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;
unsigned int Millicode:1;
unsigned int Millicode_save_sr0:1;
unsigned int Region_description:2;
unsigned int reserved1:1;
unsigned int Entry_SR:1;
unsigned int Entry_FR:4;
unsigned int Entry_GR:5;
unsigned int Args_stored:1;
unsigned int Variable_Frame:1;
unsigned int Separate_Package_Body:1;
unsigned int Frame_Extension_Millicode:1;
unsigned int Stack_Overflow_Check:1;
unsigned int Two_Instruction_SP_Increment:1;
unsigned int Ada_Region:1;
unsigned int cxx_info:1;
unsigned int cxx_try_catch:1;
unsigned int sched_entry_seq:1;
unsigned int reserved2:1;
unsigned int Save_SP:1;
unsigned int Save_RP:1;
unsigned int Save_MRP_in_frame:1;
unsigned int extn_ptr_defined:1;
unsigned int Cleanup_defined:1;
unsigned int MPE_XL_interrupt_marker:1;
unsigned int HP_UX_interrupt_marker:1;
unsigned int Large_frame:1;
unsigned int Pseudo_SP_Set:1;
unsigned int reserved4:1;
unsigned int Total_frame_size:27;
}
*table;
unsigned long table_len;
bfd_vma seg_base;
Elf_Internal_Sym *symtab;
unsigned long nsyms;
char *strtab;
unsigned long strtab_size;
};
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);
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, *rp;
unsigned char *table, *tp;
Elf_Internal_Sym *sym;
const char *relname;
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;
}
}
}
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);
for (relsec = section_headers;
relsec < section_headers + elf_header.e_shnum;
++relsec)
{
if (relsec->sh_type != SHT_RELA
|| SECTION_HEADER_INDEX (relsec->sh_info) >= elf_header.e_shnum
|| SECTION_HEADER (relsec->sh_info) != sec)
continue;
if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size,
& rela, & nrelas))
return 0;
for (rp = rela; rp < rela + nrelas; ++rp)
{
if (is_32bit_elf)
{
relname = elf_hppa_reloc_type (ELF32_R_TYPE (rp->r_info));
sym = aux->symtab + ELF32_R_SYM (rp->r_info);
}
else
{
relname = elf_hppa_reloc_type (ELF64_R_TYPE (rp->r_info));
sym = aux->symtab + ELF64_R_SYM (rp->r_info);
}
if (strncmp (relname, "R_PARISC_SEGREL", 15) != 0)
{
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
&& SECTION_HEADER_INDEX (sec->sh_link) < elf_header.e_shnum)
{
aux.nsyms = sec->sh_size / sec->sh_entsize;
aux.symtab = GET_ELF_SYMBOLS (file, sec);
strsec = SECTION_HEADER (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 *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 < NUM_ELEM (opts); ++cnt)
if (entry->d_un.d_val & (1 << cnt))
{
printf ("%s%s", first ? "" : " ", opts[cnt]);
first = 0;
}
puts ("");
}
break;
case DT_MIPS_IVERSION:
if (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", (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 < sizeof (flags) / sizeof (flags[0]); ++cnt)
if (val & flags[cnt].bit)
{
if (! first)
putchar (' ');
fputs (flags[cnt].str, stdout);
first = 0;
val ^= flags[cnt].bit;
}
if (val != 0 || first)
{
if (! first)
putchar (' ');
print_vma (val, HEX);
}
}
break;
default:
print_vma (entry->d_un.d_ptr, PREFIX_HEX);
break;
}
putchar ('\n');
}
static void
dynamic_section_ia64_val (Elf_Internal_Dyn *entry)
{
switch (entry->d_tag)
{
case DT_IA_64_PLT_RESERVE:
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, *ext;
Elf_Internal_Dyn *entry;
edyn = get_data (NULL, file, dynamic_addr, 1, dynamic_size,
_("dynamic section"));
if (!edyn)
return 0;
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, *ext;
Elf_Internal_Dyn *entry;
edyn = get_data (NULL, file, dynamic_addr, 1, dynamic_size,
_("dynamic section"));
if (!edyn)
return 0;
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 ("");
}
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;
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;
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!"));
section.sh_size = ftell (file) - section.sh_offset;
}
if (is_32bit_elf)
section.sh_entsize = sizeof (Elf32_External_Sym);
else
section.sh_entsize = sizeof (Elf64_External_Sym);
num_dynamic_syms = section.sh_size / section.sh_entsize;
if (num_dynamic_syms < 1)
{
error (_("Unable to determine the number of symbols to load\n"));
continue;
}
dynamic_symbols = GET_ELF_SYMBOLS (file, §ion);
}
}
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;
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;
}
}
if (dynamic_syminfo == NULL)
{
unsigned long syminsz = 0;
for (entry = dynamic_section;
entry < dynamic_section + dynamic_nent;
++entry)
{
if (entry->d_tag == DT_SYMINENT)
{
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, *extsym;
Elf_Internal_Syminfo *syminfo;
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:
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;
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;
}
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;
found = 1;
printf
(_("\nVersion definition section '%s' contains %ld entries:\n"),
SECTION_NAME (section), section->sh_info);
printf (_(" Addr: 0x"));
printf_vma (section->sh_addr);
printf (_(" Offset: %#08lx Link: %lx (%s)\n"),
(unsigned long) section->sh_offset, section->sh_link,
SECTION_HEADER_INDEX (section->sh_link)
< elf_header.e_shnum
? SECTION_NAME (SECTION_HEADER (section->sh_link))
: "<corrupt>");
edefs = get_data (NULL, file, section->sh_offset, 1,
section->sh_size,
_("version definition section"));
if (!edefs)
break;
for (idx = cnt = 0; cnt < section->sh_info; ++cnt)
{
char *vstart;
Elf_External_Verdef *edef;
Elf_Internal_Verdef ent;
Elf_External_Verdaux *eaux;
Elf_Internal_Verdaux aux;
int j;
int isum;
vstart = ((char *) edefs) + idx;
edef = (Elf_External_Verdef *) vstart;
ent.vd_version = BYTE_GET (edef->vd_version);
ent.vd_flags = BYTE_GET (edef->vd_flags);
ent.vd_ndx = BYTE_GET (edef->vd_ndx);
ent.vd_cnt = BYTE_GET (edef->vd_cnt);
ent.vd_hash = BYTE_GET (edef->vd_hash);
ent.vd_aux = BYTE_GET (edef->vd_aux);
ent.vd_next = BYTE_GET (edef->vd_next);
printf (_(" %#06x: Rev: %d Flags: %s"),
idx, ent.vd_version, get_ver_flags (ent.vd_flags));
printf (_(" Index: %d Cnt: %d "),
ent.vd_ndx, ent.vd_cnt);
vstart += ent.vd_aux;
eaux = (Elf_External_Verdaux *) vstart;
aux.vda_name = BYTE_GET (eaux->vda_name);
aux.vda_next = BYTE_GET (eaux->vda_next);
if (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;
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);
}
idx += ent.vd_next;
}
free (edefs);
}
break;
case SHT_GNU_verneed:
{
Elf_External_Verneed *eneed;
unsigned int idx;
unsigned int cnt;
found = 1;
printf (_("\nVersion needs section '%s' contains %ld entries:\n"),
SECTION_NAME (section), section->sh_info);
printf (_(" Addr: 0x"));
printf_vma (section->sh_addr);
printf (_(" Offset: %#08lx Link to section: %ld (%s)\n"),
(unsigned long) section->sh_offset, section->sh_link,
SECTION_HEADER_INDEX (section->sh_link)
< elf_header.e_shnum
? SECTION_NAME (SECTION_HEADER (section->sh_link))
: "<corrupt>");
eneed = get_data (NULL, file, section->sh_offset, 1,
section->sh_size,
_("version need section"));
if (!eneed)
break;
for (idx = cnt = 0; cnt < section->sh_info; ++cnt)
{
Elf_External_Verneed *entry;
Elf_Internal_Verneed ent;
int j;
int isum;
char *vstart;
vstart = ((char *) eneed) + idx;
entry = (Elf_External_Verneed *) vstart;
ent.vn_version = BYTE_GET (entry->vn_version);
ent.vn_cnt = BYTE_GET (entry->vn_cnt);
ent.vn_file = BYTE_GET (entry->vn_file);
ent.vn_aux = BYTE_GET (entry->vn_aux);
ent.vn_next = BYTE_GET (entry->vn_next);
printf (_(" %#06x: Version: %d"), idx, ent.vn_version);
if (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;
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;
}
idx += ent.vn_next;
}
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_HEADER_INDEX (section->sh_link) >= elf_header.e_shnum)
break;
link_section = SECTION_HEADER (section->sh_link);
total = section->sh_size / sizeof (Elf_External_Versym);
if (SECTION_HEADER_INDEX (link_section->sh_link)
>= elf_header.e_shnum)
break;
found = 1;
symbols = GET_ELF_SYMBOLS (file, link_section);
string_sec = SECTION_HEADER (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: %lx (%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 (SECTION_HEADER_INDEX (symbols[cnt + j].st_shndx)
>= elf_header.e_shnum
|| SECTION_HEADER (symbols[cnt + j].st_shndx)->sh_type
!= SHT_NOBITS)
{
if (symbols[cnt + j].st_shndx == SHN_UNDEF)
check_def = 0;
else
check_need = 0;
}
if (check_need
&& version_info[DT_VERSIONTAGIDX (DT_VERNEED)])
{
Elf_Internal_Verneed ivn;
unsigned long offset;
offset = 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);
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);
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";
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";
}
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_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_LOPROC && type <= SHN_HIPROC)
sprintf (buff, "PRC[0x%04x]", type);
else if (type >= SHN_LOOS && type <= SHN_HIOS)
sprintf (buff, "OS [0x%04x]", type);
else if (type >= SHN_LORESERVE && type <= SHN_HIRESERVE)
sprintf (buff, "RSV[0x%04x]", type);
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 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;
if (! do_syms && !do_histogram)
return 1;
if (dynamic_info[DT_HASH] && ((do_using_dynamic && dynamic_strings != NULL)
|| do_histogram))
{
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"));
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 (do_syms
&& dynamic_info[DT_HASH] && do_using_dynamic && dynamic_strings != NULL)
{
unsigned long hn;
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])
{
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)));
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');
}
}
}
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_HEADER_INDEX (section->sh_link) < elf_header.e_shnum)
{
Elf_Internal_Shdr *string_sec;
string_sec = SECTION_HEADER (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)));
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 = (SECTION_HEADER_INDEX (psym->st_shndx)
< elf_header.e_shnum
&& SECTION_HEADER (psym->st_shndx)->sh_type
== SHT_NOBITS);
check_def = (psym->st_shndx != SHN_UNDEF);
if ((vers_data & 0x8000) || vers_data > 1)
{
if (version_info[DT_VERSIONTAGIDX (DT_VERNEED)]
&& (is_nobits || ! check_def))
{
Elf_External_Verneed evn;
Elf_Internal_Verneed ivn;
Elf_Internal_Vernaux ivna;
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"));
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"));
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"));
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);
}
return 1;
}
static int
process_syminfo (FILE *file ATTRIBUTE_UNUSED)
{
unsigned int i;
if (dynamic_syminfo == NULL
|| !do_dynamic)
return 1;
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));
return 1;
}
#endif
static int
dump_section (Elf_Internal_Shdr *section, FILE *file)
{
bfd_size_type bytes;
bfd_vma addr;
unsigned char *data;
unsigned char *start;
bytes = section->sh_size;
if (bytes == 0 || 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;
data = start;
while (bytes)
{
int j;
int k;
int lbytes;
lbytes = (bytes > 16 ? 16 : bytes);
printf (" 0x%8.8lx ", (unsigned long) addr);
switch (elf_header.e_ident[EI_DATA])
{
default:
case ELFDATA2LSB:
for (j = 15; j >= 0; j --)
{
if (j < lbytes)
printf ("%2.2x", data[j]);
else
printf (" ");
if (!(j & 0x3))
printf (" ");
}
break;
case ELFDATA2MSB:
for (j = 0; j < 16; j++)
{
if (j < lbytes)
printf ("%2.2x", data[j]);
else
printf (" ");
if ((j & 3) == 3)
printf (" ");
}
break;
}
for (j = 0; j < lbytes; j++)
{
k = data[j];
if (k >= ' ' && k < 0x7f)
printf ("%c", k);
else
printf (".");
}
putchar ('\n');
data += lbytes;
addr += lbytes;
bytes -= lbytes;
}
free (start);
return 1;
}
static unsigned long int
read_leb128 (unsigned char *data, unsigned int *length_return, int sign)
{
unsigned long int result = 0;
unsigned int num_read = 0;
unsigned int shift = 0;
unsigned char byte;
do
{
byte = *data++;
num_read++;
result |= ((unsigned long int) (byte & 0x7f)) << shift;
shift += 7;
}
while (byte & 0x80);
if (length_return != NULL)
*length_return = num_read;
if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40))
result |= -1L << shift;
return result;
}
typedef struct State_Machine_Registers
{
unsigned long address;
unsigned int file;
unsigned int line;
unsigned int column;
int is_stmt;
int basic_block;
int end_sequence;
unsigned int last_file_entry;
} SMR;
static SMR state_machine_regs;
static void
reset_state_machine (int is_stmt)
{
state_machine_regs.address = 0;
state_machine_regs.file = 1;
state_machine_regs.line = 1;
state_machine_regs.column = 0;
state_machine_regs.is_stmt = is_stmt;
state_machine_regs.basic_block = 0;
state_machine_regs.end_sequence = 0;
state_machine_regs.last_file_entry = 0;
}
static int
process_extended_line_op (unsigned char *data, int is_stmt, int pointer_size)
{
unsigned char op_code;
unsigned int bytes_read;
unsigned int len;
unsigned char *name;
unsigned long adr;
len = read_leb128 (data, & bytes_read, 0);
data += bytes_read;
if (len == 0)
{
warn (_("badly formed extended line op encountered!\n"));
return bytes_read;
}
len += bytes_read;
op_code = *data++;
printf (_(" Extended opcode %d: "), op_code);
switch (op_code)
{
case DW_LNE_end_sequence:
printf (_("End of Sequence\n\n"));
reset_state_machine (is_stmt);
break;
case DW_LNE_set_address:
adr = byte_get (data, pointer_size);
printf (_("set Address to 0x%lx\n"), adr);
state_machine_regs.address = adr;
break;
case DW_LNE_define_file:
printf (_(" define new File Table entry\n"));
printf (_(" Entry\tDir\tTime\tSize\tName\n"));
printf (_(" %d\t"), ++state_machine_regs.last_file_entry);
name = data;
data += strlen ((char *) data) + 1;
printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
data += bytes_read;
printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
data += bytes_read;
printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
printf (_("%s\n\n"), name);
break;
default:
printf (_("UNKNOWN: length %d\n"), len - bytes_read);
break;
}
return len;
}
static const char *debug_str_contents;
static bfd_vma debug_str_size;
static void
load_debug_str (FILE *file)
{
Elf_Internal_Shdr *sec;
if (debug_str_contents != NULL)
return;
sec = find_section (".debug_str");
if (sec == NULL)
return;
debug_str_size = sec->sh_size;
debug_str_contents = get_data (NULL, file, sec->sh_offset, 1, sec->sh_size,
_("debug_str section data"));
}
static void
free_debug_str (void)
{
if (debug_str_contents == NULL)
return;
free ((char *) debug_str_contents);
debug_str_contents = NULL;
debug_str_size = 0;
}
static const char *
fetch_indirect_string (unsigned long offset)
{
if (debug_str_contents == NULL)
return _("<no .debug_str section>");
if (offset > debug_str_size)
{
warn (_("DW_FORM_strp offset too big: %lx\n"), offset);
return _("<offset is too big>");
}
return debug_str_contents + offset;
}
static const char *debug_loc_contents;
static bfd_vma debug_loc_size;
static void
load_debug_loc (FILE *file)
{
Elf_Internal_Shdr *sec;
if (debug_loc_contents != NULL)
return;
sec = find_section (".debug_loc");
if (sec == NULL)
return;
debug_loc_size = sec->sh_size;
debug_loc_contents = get_data (NULL, file, sec->sh_offset, 1, sec->sh_size,
_("debug_loc section data"));
}
static void
free_debug_loc (void)
{
if (debug_loc_contents == NULL)
return;
free ((char *) debug_loc_contents);
debug_loc_contents = NULL;
debug_loc_size = 0;
}
static const char * debug_range_contents;
static unsigned long debug_range_size;
static void
load_debug_range (FILE *file)
{
Elf_Internal_Shdr *sec;
if (debug_range_contents != NULL)
return;
sec = find_section (".debug_ranges");
if (sec == NULL)
return;
debug_range_size = sec->sh_size;
debug_range_contents = get_data (NULL, file, sec->sh_offset, 1, sec->sh_size,
_("debug_range section data"));
}
static void
free_debug_range (void)
{
if (debug_range_contents == NULL)
return;
free ((char *) debug_range_contents);
debug_range_contents = NULL;
debug_range_size = 0;
}
static int
debug_apply_rela_addends (FILE *file,
Elf_Internal_Shdr *section,
int reloc_size,
unsigned char *sec_data,
unsigned char *start,
unsigned char *end)
{
Elf_Internal_Shdr *relsec;
if (end - start < reloc_size)
return 1;
for (relsec = section_headers;
relsec < section_headers + elf_header.e_shnum;
++relsec)
{
unsigned long nrelas;
Elf_Internal_Rela *rela, *rp;
Elf_Internal_Shdr *symsec;
Elf_Internal_Sym *symtab;
Elf_Internal_Sym *sym;
if (relsec->sh_type != SHT_RELA
|| SECTION_HEADER_INDEX (relsec->sh_info) >= elf_header.e_shnum
|| SECTION_HEADER (relsec->sh_info) != section
|| relsec->sh_size == 0
|| SECTION_HEADER_INDEX (relsec->sh_link) >= elf_header.e_shnum)
continue;
if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size,
&rela, &nrelas))
return 0;
symsec = SECTION_HEADER (relsec->sh_link);
symtab = GET_ELF_SYMBOLS (file, symsec);
for (rp = rela; rp < rela + nrelas; ++rp)
{
unsigned char *loc;
if (rp->r_offset >= (bfd_vma) (start - sec_data)
&& rp->r_offset < (bfd_vma) (end - sec_data) - reloc_size)
loc = sec_data + rp->r_offset;
else
continue;
if (is_32bit_elf)
{
sym = symtab + ELF32_R_SYM (rp->r_info);
if (ELF32_R_SYM (rp->r_info) != 0
&& ELF32_ST_TYPE (sym->st_info) != STT_SECTION
&& ELF32_ST_TYPE (sym->st_info) != STT_OBJECT)
{
warn (_("skipping unexpected symbol type %s in relocation in section .rela%s\n"),
get_symbol_type (ELF32_ST_TYPE (sym->st_info)),
SECTION_NAME (section));
continue;
}
}
else
{
if (elf_header.e_machine == EM_MIPS
&& elf_header.e_ident[EI_DATA] != ELFDATA2MSB)
rp->r_info = (((rp->r_info & 0xffffffff) << 32)
| ((rp->r_info >> 56) & 0xff)
| ((rp->r_info >> 40) & 0xff00)
| ((rp->r_info >> 24) & 0xff0000)
| ((rp->r_info >> 8) & 0xff000000));
sym = symtab + ELF64_R_SYM (rp->r_info);
if (ELF64_R_SYM (rp->r_info) != 0
&& ELF64_ST_TYPE (sym->st_info) != STT_SECTION
&& ELF64_ST_TYPE (sym->st_info) != STT_OBJECT)
{
warn (_("skipping unexpected symbol type %s in relocation in section .rela.%s\n"),
get_symbol_type (ELF64_ST_TYPE (sym->st_info)),
SECTION_NAME (section));
continue;
}
}
byte_put (loc, rp->r_addend, reloc_size);
}
free (symtab);
free (rela);
break;
}
return 1;
}
typedef struct abbrev_attr
{
unsigned long attribute;
unsigned long form;
struct abbrev_attr *next;
}
abbrev_attr;
typedef struct abbrev_entry
{
unsigned long entry;
unsigned long tag;
int children;
struct abbrev_attr *first_attr;
struct abbrev_attr *last_attr;
struct abbrev_entry *next;
}
abbrev_entry;
static abbrev_entry *first_abbrev = NULL;
static abbrev_entry *last_abbrev = NULL;
static void
free_abbrevs (void)
{
abbrev_entry *abbrev;
for (abbrev = first_abbrev; abbrev;)
{
abbrev_entry *next = abbrev->next;
abbrev_attr *attr;
for (attr = abbrev->first_attr; attr;)
{
abbrev_attr *next = attr->next;
free (attr);
attr = next;
}
free (abbrev);
abbrev = next;
}
last_abbrev = first_abbrev = NULL;
}
static void
add_abbrev (unsigned long number, unsigned long tag, int children)
{
abbrev_entry *entry;
entry = malloc (sizeof (*entry));
if (entry == NULL)
return;
entry->entry = number;
entry->tag = tag;
entry->children = children;
entry->first_attr = NULL;
entry->last_attr = NULL;
entry->next = NULL;
if (first_abbrev == NULL)
first_abbrev = entry;
else
last_abbrev->next = entry;
last_abbrev = entry;
}
static void
add_abbrev_attr (unsigned long attribute, unsigned long form)
{
abbrev_attr *attr;
attr = malloc (sizeof (*attr));
if (attr == NULL)
return;
attr->attribute = attribute;
attr->form = form;
attr->next = NULL;
if (last_abbrev->first_attr == NULL)
last_abbrev->first_attr = attr;
else
last_abbrev->last_attr->next = attr;
last_abbrev->last_attr = attr;
}
static unsigned char *
process_abbrev_section (unsigned char *start, unsigned char *end)
{
if (first_abbrev != NULL)
return NULL;
while (start < end)
{
unsigned int bytes_read;
unsigned long entry;
unsigned long tag;
unsigned long attribute;
int children;
entry = read_leb128 (start, & bytes_read, 0);
start += bytes_read;
if (entry == 0)
return start == end ? NULL : start;
tag = read_leb128 (start, & bytes_read, 0);
start += bytes_read;
children = *start++;
add_abbrev (entry, tag, children);
do
{
unsigned long form;
attribute = read_leb128 (start, & bytes_read, 0);
start += bytes_read;
form = read_leb128 (start, & bytes_read, 0);
start += bytes_read;
if (attribute != 0)
add_abbrev_attr (attribute, form);
}
while (attribute != 0);
}
return NULL;
}
static char *
get_TAG_name (unsigned long tag)
{
switch (tag)
{
case DW_TAG_padding: return "DW_TAG_padding";
case DW_TAG_array_type: return "DW_TAG_array_type";
case DW_TAG_class_type: return "DW_TAG_class_type";
case DW_TAG_entry_point: return "DW_TAG_entry_point";
case DW_TAG_enumeration_type: return "DW_TAG_enumeration_type";
case DW_TAG_formal_parameter: return "DW_TAG_formal_parameter";
case DW_TAG_imported_declaration: return "DW_TAG_imported_declaration";
case DW_TAG_label: return "DW_TAG_label";
case DW_TAG_lexical_block: return "DW_TAG_lexical_block";
case DW_TAG_member: return "DW_TAG_member";
case DW_TAG_pointer_type: return "DW_TAG_pointer_type";
case DW_TAG_reference_type: return "DW_TAG_reference_type";
case DW_TAG_compile_unit: return "DW_TAG_compile_unit";
case DW_TAG_string_type: return "DW_TAG_string_type";
case DW_TAG_structure_type: return "DW_TAG_structure_type";
case DW_TAG_subroutine_type: return "DW_TAG_subroutine_type";
case DW_TAG_typedef: return "DW_TAG_typedef";
case DW_TAG_union_type: return "DW_TAG_union_type";
case DW_TAG_unspecified_parameters: return "DW_TAG_unspecified_parameters";
case DW_TAG_variant: return "DW_TAG_variant";
case DW_TAG_common_block: return "DW_TAG_common_block";
case DW_TAG_common_inclusion: return "DW_TAG_common_inclusion";
case DW_TAG_inheritance: return "DW_TAG_inheritance";
case DW_TAG_inlined_subroutine: return "DW_TAG_inlined_subroutine";
case DW_TAG_module: return "DW_TAG_module";
case DW_TAG_ptr_to_member_type: return "DW_TAG_ptr_to_member_type";
case DW_TAG_set_type: return "DW_TAG_set_type";
case DW_TAG_subrange_type: return "DW_TAG_subrange_type";
case DW_TAG_with_stmt: return "DW_TAG_with_stmt";
case DW_TAG_access_declaration: return "DW_TAG_access_declaration";
case DW_TAG_base_type: return "DW_TAG_base_type";
case DW_TAG_catch_block: return "DW_TAG_catch_block";
case DW_TAG_const_type: return "DW_TAG_const_type";
case DW_TAG_constant: return "DW_TAG_constant";
case DW_TAG_enumerator: return "DW_TAG_enumerator";
case DW_TAG_file_type: return "DW_TAG_file_type";
case DW_TAG_friend: return "DW_TAG_friend";
case DW_TAG_namelist: return "DW_TAG_namelist";
case DW_TAG_namelist_item: return "DW_TAG_namelist_item";
case DW_TAG_packed_type: return "DW_TAG_packed_type";
case DW_TAG_subprogram: return "DW_TAG_subprogram";
case DW_TAG_template_type_param: return "DW_TAG_template_type_param";
case DW_TAG_template_value_param: return "DW_TAG_template_value_param";
case DW_TAG_thrown_type: return "DW_TAG_thrown_type";
case DW_TAG_try_block: return "DW_TAG_try_block";
case DW_TAG_variant_part: return "DW_TAG_variant_part";
case DW_TAG_variable: return "DW_TAG_variable";
case DW_TAG_volatile_type: return "DW_TAG_volatile_type";
case DW_TAG_MIPS_loop: return "DW_TAG_MIPS_loop";
case DW_TAG_format_label: return "DW_TAG_format_label";
case DW_TAG_function_template: return "DW_TAG_function_template";
case DW_TAG_class_template: return "DW_TAG_class_template";
case DW_TAG_dwarf_procedure: return "DW_TAG_dwarf_procedure";
case DW_TAG_restrict_type: return "DW_TAG_restrict_type";
case DW_TAG_interface_type: return "DW_TAG_interface_type";
case DW_TAG_namespace: return "DW_TAG_namespace";
case DW_TAG_imported_module: return "DW_TAG_imported_module";
case DW_TAG_unspecified_type: return "DW_TAG_unspecified_type";
case DW_TAG_partial_unit: return "DW_TAG_partial_unit";
case DW_TAG_imported_unit: return "DW_TAG_imported_unit";
case DW_TAG_upc_shared_type: return "DW_TAG_upc_shared_type";
case DW_TAG_upc_strict_type: return "DW_TAG_upc_strict_type";
case DW_TAG_upc_relaxed_type: return "DW_TAG_upc_relaxed_type";
default:
{
static char buffer[100];
snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %lx"), tag);
return buffer;
}
}
}
static char *
get_FORM_name (unsigned long form)
{
switch (form)
{
case DW_FORM_addr: return "DW_FORM_addr";
case DW_FORM_block2: return "DW_FORM_block2";
case DW_FORM_block4: return "DW_FORM_block4";
case DW_FORM_data2: return "DW_FORM_data2";
case DW_FORM_data4: return "DW_FORM_data4";
case DW_FORM_data8: return "DW_FORM_data8";
case DW_FORM_string: return "DW_FORM_string";
case DW_FORM_block: return "DW_FORM_block";
case DW_FORM_block1: return "DW_FORM_block1";
case DW_FORM_data1: return "DW_FORM_data1";
case DW_FORM_flag: return "DW_FORM_flag";
case DW_FORM_sdata: return "DW_FORM_sdata";
case DW_FORM_strp: return "DW_FORM_strp";
case DW_FORM_udata: return "DW_FORM_udata";
case DW_FORM_ref_addr: return "DW_FORM_ref_addr";
case DW_FORM_ref1: return "DW_FORM_ref1";
case DW_FORM_ref2: return "DW_FORM_ref2";
case DW_FORM_ref4: return "DW_FORM_ref4";
case DW_FORM_ref8: return "DW_FORM_ref8";
case DW_FORM_ref_udata: return "DW_FORM_ref_udata";
case DW_FORM_indirect: return "DW_FORM_indirect";
default:
{
static char buffer[100];
snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form);
return buffer;
}
}
}
static unsigned char *
display_block (unsigned char *data, unsigned long length)
{
printf (_(" %lu byte block: "), length);
while (length --)
printf ("%lx ", (unsigned long) byte_get (data++, 1));
return data;
}
static int
decode_location_expression (unsigned char * data,
unsigned int pointer_size,
unsigned long length,
unsigned long cu_offset)
{
unsigned op;
unsigned int bytes_read;
unsigned long uvalue;
unsigned char *end = data + length;
int need_frame_base = 0;
while (data < end)
{
op = *data++;
switch (op)
{
case DW_OP_addr:
printf ("DW_OP_addr: %lx",
(unsigned long) byte_get (data, pointer_size));
data += pointer_size;
break;
case DW_OP_deref:
printf ("DW_OP_deref");
break;
case DW_OP_const1u:
printf ("DW_OP_const1u: %lu", (unsigned long) byte_get (data++, 1));
break;
case DW_OP_const1s:
printf ("DW_OP_const1s: %ld", (long) byte_get_signed (data++, 1));
break;
case DW_OP_const2u:
printf ("DW_OP_const2u: %lu", (unsigned long) byte_get (data, 2));
data += 2;
break;
case DW_OP_const2s:
printf ("DW_OP_const2s: %ld", (long) byte_get_signed (data, 2));
data += 2;
break;
case DW_OP_const4u:
printf ("DW_OP_const4u: %lu", (unsigned long) byte_get (data, 4));
data += 4;
break;
case DW_OP_const4s:
printf ("DW_OP_const4s: %ld", (long) byte_get_signed (data, 4));
data += 4;
break;
case DW_OP_const8u:
printf ("DW_OP_const8u: %lu %lu", (unsigned long) byte_get (data, 4),
(unsigned long) byte_get (data + 4, 4));
data += 8;
break;
case DW_OP_const8s:
printf ("DW_OP_const8s: %ld %ld", (long) byte_get (data, 4),
(long) byte_get (data + 4, 4));
data += 8;
break;
case DW_OP_constu:
printf ("DW_OP_constu: %lu", read_leb128 (data, &bytes_read, 0));
data += bytes_read;
break;
case DW_OP_consts:
printf ("DW_OP_consts: %ld", read_leb128 (data, &bytes_read, 1));
data += bytes_read;
break;
case DW_OP_dup:
printf ("DW_OP_dup");
break;
case DW_OP_drop:
printf ("DW_OP_drop");
break;
case DW_OP_over:
printf ("DW_OP_over");
break;
case DW_OP_pick:
printf ("DW_OP_pick: %ld", (unsigned long) byte_get (data++, 1));
break;
case DW_OP_swap:
printf ("DW_OP_swap");
break;
case DW_OP_rot:
printf ("DW_OP_rot");
break;
case DW_OP_xderef:
printf ("DW_OP_xderef");
break;
case DW_OP_abs:
printf ("DW_OP_abs");
break;
case DW_OP_and:
printf ("DW_OP_and");
break;
case DW_OP_div:
printf ("DW_OP_div");
break;
case DW_OP_minus:
printf ("DW_OP_minus");
break;
case DW_OP_mod:
printf ("DW_OP_mod");
break;
case DW_OP_mul:
printf ("DW_OP_mul");
break;
case DW_OP_neg:
printf ("DW_OP_neg");
break;
case DW_OP_not:
printf ("DW_OP_not");
break;
case DW_OP_or:
printf ("DW_OP_or");
break;
case DW_OP_plus:
printf ("DW_OP_plus");
break;
case DW_OP_plus_uconst:
printf ("DW_OP_plus_uconst: %lu",
read_leb128 (data, &bytes_read, 0));
data += bytes_read;
break;
case DW_OP_shl:
printf ("DW_OP_shl");
break;
case DW_OP_shr:
printf ("DW_OP_shr");
break;
case DW_OP_shra:
printf ("DW_OP_shra");
break;
case DW_OP_xor:
printf ("DW_OP_xor");
break;
case DW_OP_bra:
printf ("DW_OP_bra: %ld", (long) byte_get_signed (data, 2));
data += 2;
break;
case DW_OP_eq:
printf ("DW_OP_eq");
break;
case DW_OP_ge:
printf ("DW_OP_ge");
break;
case DW_OP_gt:
printf ("DW_OP_gt");
break;
case DW_OP_le:
printf ("DW_OP_le");
break;
case DW_OP_lt:
printf ("DW_OP_lt");
break;
case DW_OP_ne:
printf ("DW_OP_ne");
break;
case DW_OP_skip:
printf ("DW_OP_skip: %ld", (long) byte_get_signed (data, 2));
data += 2;
break;
case DW_OP_lit0:
case DW_OP_lit1:
case DW_OP_lit2:
case DW_OP_lit3:
case DW_OP_lit4:
case DW_OP_lit5:
case DW_OP_lit6:
case DW_OP_lit7:
case DW_OP_lit8:
case DW_OP_lit9:
case DW_OP_lit10:
case DW_OP_lit11:
case DW_OP_lit12:
case DW_OP_lit13:
case DW_OP_lit14:
case DW_OP_lit15:
case DW_OP_lit16:
case DW_OP_lit17:
case DW_OP_lit18:
case DW_OP_lit19:
case DW_OP_lit20:
case DW_OP_lit21:
case DW_OP_lit22:
case DW_OP_lit23:
case DW_OP_lit24:
case DW_OP_lit25:
case DW_OP_lit26:
case DW_OP_lit27:
case DW_OP_lit28:
case DW_OP_lit29:
case DW_OP_lit30:
case DW_OP_lit31:
printf ("DW_OP_lit%d", op - DW_OP_lit0);
break;
case DW_OP_reg0:
case DW_OP_reg1:
case DW_OP_reg2:
case DW_OP_reg3:
case DW_OP_reg4:
case DW_OP_reg5:
case DW_OP_reg6:
case DW_OP_reg7:
case DW_OP_reg8:
case DW_OP_reg9:
case DW_OP_reg10:
case DW_OP_reg11:
case DW_OP_reg12:
case DW_OP_reg13:
case DW_OP_reg14:
case DW_OP_reg15:
case DW_OP_reg16:
case DW_OP_reg17:
case DW_OP_reg18:
case DW_OP_reg19:
case DW_OP_reg20:
case DW_OP_reg21:
case DW_OP_reg22:
case DW_OP_reg23:
case DW_OP_reg24:
case DW_OP_reg25:
case DW_OP_reg26:
case DW_OP_reg27:
case DW_OP_reg28:
case DW_OP_reg29:
case DW_OP_reg30:
case DW_OP_reg31:
printf ("DW_OP_reg%d", op - DW_OP_reg0);
break;
case DW_OP_breg0:
case DW_OP_breg1:
case DW_OP_breg2:
case DW_OP_breg3:
case DW_OP_breg4:
case DW_OP_breg5:
case DW_OP_breg6:
case DW_OP_breg7:
case DW_OP_breg8:
case DW_OP_breg9:
case DW_OP_breg10:
case DW_OP_breg11:
case DW_OP_breg12:
case DW_OP_breg13:
case DW_OP_breg14:
case DW_OP_breg15:
case DW_OP_breg16:
case DW_OP_breg17:
case DW_OP_breg18:
case DW_OP_breg19:
case DW_OP_breg20:
case DW_OP_breg21:
case DW_OP_breg22:
case DW_OP_breg23:
case DW_OP_breg24:
case DW_OP_breg25:
case DW_OP_breg26:
case DW_OP_breg27:
case DW_OP_breg28:
case DW_OP_breg29:
case DW_OP_breg30:
case DW_OP_breg31:
printf ("DW_OP_breg%d: %ld", op - DW_OP_breg0,
read_leb128 (data, &bytes_read, 1));
data += bytes_read;
break;
case DW_OP_regx:
printf ("DW_OP_regx: %lu", read_leb128 (data, &bytes_read, 0));
data += bytes_read;
break;
case DW_OP_fbreg:
need_frame_base = 1;
printf ("DW_OP_fbreg: %ld", read_leb128 (data, &bytes_read, 1));
data += bytes_read;
break;
case DW_OP_bregx:
uvalue = read_leb128 (data, &bytes_read, 0);
data += bytes_read;
printf ("DW_OP_bregx: %lu %ld", uvalue,
read_leb128 (data, &bytes_read, 1));
data += bytes_read;
break;
case DW_OP_piece:
printf ("DW_OP_piece: %lu", read_leb128 (data, &bytes_read, 0));
data += bytes_read;
break;
case DW_OP_deref_size:
printf ("DW_OP_deref_size: %ld", (long) byte_get (data++, 1));
break;
case DW_OP_xderef_size:
printf ("DW_OP_xderef_size: %ld", (long) byte_get (data++, 1));
break;
case DW_OP_nop:
printf ("DW_OP_nop");
break;
case DW_OP_push_object_address:
printf ("DW_OP_push_object_address");
break;
case DW_OP_call2:
printf ("DW_OP_call2: <%lx>", (long) byte_get (data, 2) + cu_offset);
data += 2;
break;
case DW_OP_call4:
printf ("DW_OP_call4: <%lx>", (long) byte_get (data, 4) + cu_offset);
data += 4;
break;
case DW_OP_call_ref:
printf ("DW_OP_call_ref");
break;
case DW_OP_GNU_push_tls_address:
printf ("DW_OP_GNU_push_tls_address");
break;
default:
if (op >= DW_OP_lo_user
&& op <= DW_OP_hi_user)
printf (_("(User defined location op)"));
else
printf (_("(Unknown location op)"));
return need_frame_base;
}
if (data < end)
printf ("; ");
}
return need_frame_base;
}
typedef struct
{
unsigned int pointer_size;
unsigned long cu_offset;
unsigned long base_address;
unsigned long *loc_offsets;
int *have_frame_base;
unsigned int num_loc_offsets;
unsigned int max_loc_offsets;
unsigned long *range_lists;
unsigned int num_range_lists;
unsigned int max_range_lists;
}
debug_info;
static debug_info * debug_information = NULL;
static unsigned int num_debug_info_entries = 0;
static unsigned int last_pointer_size = 0;
static int warned_about_missing_comp_units = FALSE;
static unsigned char *
read_and_display_attr_value (unsigned long attribute,
unsigned long form,
unsigned char *data,
unsigned long cu_offset,
unsigned long pointer_size,
unsigned long offset_size,
int dwarf_version,
debug_info *debug_info_p,
int do_loc)
{
unsigned long uvalue = 0;
unsigned char *block_start = NULL;
unsigned int bytes_read;
switch (form)
{
default:
break;
case DW_FORM_ref_addr:
if (dwarf_version == 2)
{
uvalue = byte_get (data, pointer_size);
data += pointer_size;
}
else if (dwarf_version == 3)
{
uvalue = byte_get (data, offset_size);
data += offset_size;
}
else
{
error (_("Internal error: DWARF version is not 2 or 3.\n"));
}
break;
case DW_FORM_addr:
uvalue = byte_get (data, pointer_size);
data += pointer_size;
break;
case DW_FORM_strp:
uvalue = byte_get (data, offset_size);
data += offset_size;
break;
case DW_FORM_ref1:
case DW_FORM_flag:
case DW_FORM_data1:
uvalue = byte_get (data++, 1);
break;
case DW_FORM_ref2:
case DW_FORM_data2:
uvalue = byte_get (data, 2);
data += 2;
break;
case DW_FORM_ref4:
case DW_FORM_data4:
uvalue = byte_get (data, 4);
data += 4;
break;
case DW_FORM_sdata:
uvalue = read_leb128 (data, & bytes_read, 1);
data += bytes_read;
break;
case DW_FORM_ref_udata:
case DW_FORM_udata:
uvalue = read_leb128 (data, & bytes_read, 0);
data += bytes_read;
break;
case DW_FORM_indirect:
form = read_leb128 (data, & bytes_read, 0);
data += bytes_read;
if (!do_loc)
printf (" %s", get_FORM_name (form));
return read_and_display_attr_value (attribute, form, data,
cu_offset, pointer_size,
offset_size, dwarf_version,
debug_info_p, do_loc);
}
switch (form)
{
case DW_FORM_ref_addr:
if (!do_loc)
printf (" <#%lx>", uvalue);
break;
case DW_FORM_ref1:
case DW_FORM_ref2:
case DW_FORM_ref4:
case DW_FORM_ref_udata:
if (!do_loc)
printf (" <%lx>", uvalue + cu_offset);
break;
case DW_FORM_data4:
case DW_FORM_addr:
if (!do_loc)
printf (" %#lx", uvalue);
break;
case DW_FORM_flag:
case DW_FORM_data1:
case DW_FORM_data2:
case DW_FORM_sdata:
case DW_FORM_udata:
if (!do_loc)
printf (" %ld", uvalue);
break;
case DW_FORM_ref8:
case DW_FORM_data8:
if (!do_loc)
{
uvalue = byte_get (data, 4);
printf (" %lx", uvalue);
printf (" %lx", (unsigned long) byte_get (data + 4, 4));
}
if ((do_loc || do_debug_loc || do_debug_ranges)
&& num_debug_info_entries == 0)
{
if (sizeof (uvalue) == 8)
uvalue = byte_get (data, 8);
else
error (_("DW_FORM_data8 is unsupported when sizeof (unsigned long) != 8\n"));
}
data += 8;
break;
case DW_FORM_string:
if (!do_loc)
printf (" %s", data);
data += strlen ((char *) data) + 1;
break;
case DW_FORM_block:
uvalue = read_leb128 (data, & bytes_read, 0);
block_start = data + bytes_read;
if (do_loc)
data = block_start + uvalue;
else
data = display_block (block_start, uvalue);
break;
case DW_FORM_block1:
uvalue = byte_get (data, 1);
block_start = data + 1;
if (do_loc)
data = block_start + uvalue;
else
data = display_block (block_start, uvalue);
break;
case DW_FORM_block2:
uvalue = byte_get (data, 2);
block_start = data + 2;
if (do_loc)
data = block_start + uvalue;
else
data = display_block (block_start, uvalue);
break;
case DW_FORM_block4:
uvalue = byte_get (data, 4);
block_start = data + 4;
if (do_loc)
data = block_start + uvalue;
else
data = display_block (block_start, uvalue);
break;
case DW_FORM_strp:
if (!do_loc)
printf (_(" (indirect string, offset: 0x%lx): %s"),
uvalue, fetch_indirect_string (uvalue));
break;
case DW_FORM_indirect:
break;
default:
warn (_("Unrecognized form: %lu\n"), form);
break;
}
if ((do_loc || do_debug_loc || do_debug_ranges)
&& num_debug_info_entries == 0)
{
switch (attribute)
{
case DW_AT_frame_base:
have_frame_base = 1;
case DW_AT_location:
case DW_AT_data_member_location:
case DW_AT_vtable_elem_location:
case DW_AT_allocated:
case DW_AT_associated:
case DW_AT_data_location:
case DW_AT_stride:
case DW_AT_upper_bound:
case DW_AT_lower_bound:
if (form == DW_FORM_data4 || form == DW_FORM_data8)
{
unsigned int max = debug_info_p->max_loc_offsets;
unsigned int num = debug_info_p->num_loc_offsets;
if (max == 0 || num >= max)
{
max += 1024;
debug_info_p->loc_offsets
= xcrealloc (debug_info_p->loc_offsets,
max, sizeof (*debug_info_p->loc_offsets));
debug_info_p->have_frame_base
= xcrealloc (debug_info_p->have_frame_base,
max, sizeof (*debug_info_p->have_frame_base));
debug_info_p->max_loc_offsets = max;
}
debug_info_p->loc_offsets [num] = uvalue;
debug_info_p->have_frame_base [num] = have_frame_base;
debug_info_p->num_loc_offsets++;
}
break;
case DW_AT_low_pc:
if (need_base_address)
debug_info_p->base_address = uvalue;
break;
case DW_AT_ranges:
if (form == DW_FORM_data4 || form == DW_FORM_data8)
{
unsigned int max = debug_info_p->max_range_lists;
unsigned int num = debug_info_p->num_range_lists;
if (max == 0 || num >= max)
{
max += 1024;
debug_info_p->range_lists
= xcrealloc (debug_info_p->range_lists,
max, sizeof (*debug_info_p->range_lists));
debug_info_p->max_range_lists = max;
}
debug_info_p->range_lists [num] = uvalue;
debug_info_p->num_range_lists++;
}
break;
default:
break;
}
}
if (do_loc)
return data;
printf ("\t");
switch (attribute)
{
case DW_AT_inline:
switch (uvalue)
{
case DW_INL_not_inlined:
printf (_("(not inlined)"));
break;
case DW_INL_inlined:
printf (_("(inlined)"));
break;
case DW_INL_declared_not_inlined:
printf (_("(declared as inline but ignored)"));
break;
case DW_INL_declared_inlined:
printf (_("(declared as inline and inlined)"));
break;
default:
printf (_(" (Unknown inline attribute value: %lx)"), uvalue);
break;
}
break;
case DW_AT_language:
switch (uvalue)
{
case DW_LANG_C: printf ("(non-ANSI C)"); break;
case DW_LANG_C89: printf ("(ANSI C)"); break;
case DW_LANG_C_plus_plus: printf ("(C++)"); break;
case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break;
case DW_LANG_Fortran90: printf ("(Fortran 90)"); break;
case DW_LANG_Modula2: printf ("(Modula 2)"); break;
case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break;
case DW_LANG_Ada83: printf ("(Ada)"); break;
case DW_LANG_Cobol74: printf ("(Cobol 74)"); break;
case DW_LANG_Cobol85: printf ("(Cobol 85)"); break;
case DW_LANG_C99: printf ("(ANSI C99)"); break;
case DW_LANG_Ada95: printf ("(ADA 95)"); break;
case DW_LANG_Fortran95: printf ("(Fortran 95)"); break;
case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break;
case DW_LANG_Upc: printf ("(Unified Parallel C)"); break;
default:
printf ("(Unknown: %lx)", uvalue);
break;
}
break;
case DW_AT_encoding:
switch (uvalue)
{
case DW_ATE_void: printf ("(void)"); break;
case DW_ATE_address: printf ("(machine address)"); break;
case DW_ATE_boolean: printf ("(boolean)"); break;
case DW_ATE_complex_float: printf ("(complex float)"); break;
case DW_ATE_float: printf ("(float)"); break;
case DW_ATE_signed: printf ("(signed)"); break;
case DW_ATE_signed_char: printf ("(signed char)"); break;
case DW_ATE_unsigned: printf ("(unsigned)"); break;
case DW_ATE_unsigned_char: printf ("(unsigned char)"); break;
case DW_ATE_imaginary_float: printf ("(imaginary float)"); break;
case DW_ATE_decimal_float: printf ("(decimal float)"); break;
default:
if (uvalue >= DW_ATE_lo_user
&& uvalue <= DW_ATE_hi_user)
printf ("(user defined type)");
else
printf ("(unknown type)");
break;
}
break;
case DW_AT_accessibility:
switch (uvalue)
{
case DW_ACCESS_public: printf ("(public)"); break;
case DW_ACCESS_protected: printf ("(protected)"); break;
case DW_ACCESS_private: printf ("(private)"); break;
default:
printf ("(unknown accessibility)");
break;
}
break;
case DW_AT_visibility:
switch (uvalue)
{
case DW_VIS_local: printf ("(local)"); break;
case DW_VIS_exported: printf ("(exported)"); break;
case DW_VIS_qualified: printf ("(qualified)"); break;
default: printf ("(unknown visibility)"); break;
}
break;
case DW_AT_virtuality:
switch (uvalue)
{
case DW_VIRTUALITY_none: printf ("(none)"); break;
case DW_VIRTUALITY_virtual: printf ("(virtual)"); break;
case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break;
default: printf ("(unknown virtuality)"); break;
}
break;
case DW_AT_identifier_case:
switch (uvalue)
{
case DW_ID_case_sensitive: printf ("(case_sensitive)"); break;
case DW_ID_up_case: printf ("(up_case)"); break;
case DW_ID_down_case: printf ("(down_case)"); break;
case DW_ID_case_insensitive: printf ("(case_insensitive)"); break;
default: printf ("(unknown case)"); break;
}
break;
case DW_AT_calling_convention:
switch (uvalue)
{
case DW_CC_normal: printf ("(normal)"); break;
case DW_CC_program: printf ("(program)"); break;
case DW_CC_nocall: printf ("(nocall)"); break;
default:
if (uvalue >= DW_CC_lo_user
&& uvalue <= DW_CC_hi_user)
printf ("(user defined)");
else
printf ("(unknown convention)");
}
break;
case DW_AT_ordering:
switch (uvalue)
{
case -1: printf ("(undefined)"); break;
case 0: printf ("(row major)"); break;
case 1: printf ("(column major)"); break;
}
break;
case DW_AT_frame_base:
have_frame_base = 1;
case DW_AT_location:
case DW_AT_data_member_location:
case DW_AT_vtable_elem_location:
case DW_AT_allocated:
case DW_AT_associated:
case DW_AT_data_location:
case DW_AT_stride:
case DW_AT_upper_bound:
case DW_AT_lower_bound:
if (block_start)
{
int need_frame_base;
printf ("(");
need_frame_base = decode_location_expression (block_start,
pointer_size,
uvalue,
cu_offset);
printf (")");
if (need_frame_base && !have_frame_base)
printf (_(" [without DW_AT_frame_base]"));
}
else if (form == DW_FORM_data4 || form == DW_FORM_data8)
printf (_("(location list)"));
break;
default:
break;
}
return data;
}
static char *
get_AT_name (unsigned long attribute)
{
switch (attribute)
{
case DW_AT_sibling: return "DW_AT_sibling";
case DW_AT_location: return "DW_AT_location";
case DW_AT_name: return "DW_AT_name";
case DW_AT_ordering: return "DW_AT_ordering";
case DW_AT_subscr_data: return "DW_AT_subscr_data";
case DW_AT_byte_size: return "DW_AT_byte_size";
case DW_AT_bit_offset: return "DW_AT_bit_offset";
case DW_AT_bit_size: return "DW_AT_bit_size";
case DW_AT_element_list: return "DW_AT_element_list";
case DW_AT_stmt_list: return "DW_AT_stmt_list";
case DW_AT_low_pc: return "DW_AT_low_pc";
case DW_AT_high_pc: return "DW_AT_high_pc";
case DW_AT_language: return "DW_AT_language";
case DW_AT_member: return "DW_AT_member";
case DW_AT_discr: return "DW_AT_discr";
case DW_AT_discr_value: return "DW_AT_discr_value";
case DW_AT_visibility: return "DW_AT_visibility";
case DW_AT_import: return "DW_AT_import";
case DW_AT_string_length: return "DW_AT_string_length";
case DW_AT_common_reference: return "DW_AT_common_reference";
case DW_AT_comp_dir: return "DW_AT_comp_dir";
case DW_AT_const_value: return "DW_AT_const_value";
case DW_AT_containing_type: return "DW_AT_containing_type";
case DW_AT_default_value: return "DW_AT_default_value";
case DW_AT_inline: return "DW_AT_inline";
case DW_AT_is_optional: return "DW_AT_is_optional";
case DW_AT_lower_bound: return "DW_AT_lower_bound";
case DW_AT_producer: return "DW_AT_producer";
case DW_AT_prototyped: return "DW_AT_prototyped";
case DW_AT_return_addr: return "DW_AT_return_addr";
case DW_AT_start_scope: return "DW_AT_start_scope";
case DW_AT_stride_size: return "DW_AT_stride_size";
case DW_AT_upper_bound: return "DW_AT_upper_bound";
case DW_AT_abstract_origin: return "DW_AT_abstract_origin";
case DW_AT_accessibility: return "DW_AT_accessibility";
case DW_AT_address_class: return "DW_AT_address_class";
case DW_AT_artificial: return "DW_AT_artificial";
case DW_AT_base_types: return "DW_AT_base_types";
case DW_AT_calling_convention: return "DW_AT_calling_convention";
case DW_AT_count: return "DW_AT_count";
case DW_AT_data_member_location: return "DW_AT_data_member_location";
case DW_AT_decl_column: return "DW_AT_decl_column";
case DW_AT_decl_file: return "DW_AT_decl_file";
case DW_AT_decl_line: return "DW_AT_decl_line";
case DW_AT_declaration: return "DW_AT_declaration";
case DW_AT_discr_list: return "DW_AT_discr_list";
case DW_AT_encoding: return "DW_AT_encoding";
case DW_AT_external: return "DW_AT_external";
case DW_AT_frame_base: return "DW_AT_frame_base";
case DW_AT_friend: return "DW_AT_friend";
case DW_AT_identifier_case: return "DW_AT_identifier_case";
case DW_AT_macro_info: return "DW_AT_macro_info";
case DW_AT_namelist_items: return "DW_AT_namelist_items";
case DW_AT_priority: return "DW_AT_priority";
case DW_AT_segment: return "DW_AT_segment";
case DW_AT_specification: return "DW_AT_specification";
case DW_AT_static_link: return "DW_AT_static_link";
case DW_AT_type: return "DW_AT_type";
case DW_AT_use_location: return "DW_AT_use_location";
case DW_AT_variable_parameter: return "DW_AT_variable_parameter";
case DW_AT_virtuality: return "DW_AT_virtuality";
case DW_AT_vtable_elem_location: return "DW_AT_vtable_elem_location";
case DW_AT_allocated: return "DW_AT_allocated";
case DW_AT_associated: return "DW_AT_associated";
case DW_AT_data_location: return "DW_AT_data_location";
case DW_AT_stride: return "DW_AT_stride";
case DW_AT_entry_pc: return "DW_AT_entry_pc";
case DW_AT_use_UTF8: return "DW_AT_use_UTF8";
case DW_AT_extension: return "DW_AT_extension";
case DW_AT_ranges: return "DW_AT_ranges";
case DW_AT_trampoline: return "DW_AT_trampoline";
case DW_AT_call_column: return "DW_AT_call_column";
case DW_AT_call_file: return "DW_AT_call_file";
case DW_AT_call_line: return "DW_AT_call_line";
case DW_AT_MIPS_fde: return "DW_AT_MIPS_fde";
case DW_AT_MIPS_loop_begin: return "DW_AT_MIPS_loop_begin";
case DW_AT_MIPS_tail_loop_begin: return "DW_AT_MIPS_tail_loop_begin";
case DW_AT_MIPS_epilog_begin: return "DW_AT_MIPS_epilog_begin";
case DW_AT_MIPS_loop_unroll_factor: return "DW_AT_MIPS_loop_unroll_factor";
case DW_AT_MIPS_software_pipeline_depth:
return "DW_AT_MIPS_software_pipeline_depth";
case DW_AT_MIPS_linkage_name: return "DW_AT_MIPS_linkage_name";
case DW_AT_MIPS_stride: return "DW_AT_MIPS_stride";
case DW_AT_MIPS_abstract_name: return "DW_AT_MIPS_abstract_name";
case DW_AT_MIPS_clone_origin: return "DW_AT_MIPS_clone_origin";
case DW_AT_MIPS_has_inlines: return "DW_AT_MIPS_has_inlines";
case DW_AT_sf_names: return "DW_AT_sf_names";
case DW_AT_src_info: return "DW_AT_src_info";
case DW_AT_mac_info: return "DW_AT_mac_info";
case DW_AT_src_coords: return "DW_AT_src_coords";
case DW_AT_body_begin: return "DW_AT_body_begin";
case DW_AT_body_end: return "DW_AT_body_end";
case DW_AT_GNU_vector: return "DW_AT_GNU_vector";
case DW_AT_upc_threads_scaled: return "DW_AT_upc_threads_scaled";
default:
{
static char buffer[100];
snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"),
attribute);
return buffer;
}
}
}
static unsigned char *
read_and_display_attr (unsigned long attribute,
unsigned long form,
unsigned char *data,
unsigned long cu_offset,
unsigned long pointer_size,
unsigned long offset_size,
int dwarf_version,
debug_info *debug_info_p,
int do_loc)
{
if (!do_loc)
printf (" %-18s:", get_AT_name (attribute));
data = read_and_display_attr_value (attribute, form, data, cu_offset,
pointer_size, offset_size,
dwarf_version, debug_info_p,
do_loc);
if (!do_loc)
printf ("\n");
return data;
}
static int
process_debug_info (Elf_Internal_Shdr *section, unsigned char *start,
FILE *file, int do_loc)
{
unsigned char *end = start + section->sh_size;
unsigned char *section_begin;
unsigned int unit;
unsigned int num_units = 0;
if ((do_loc || do_debug_loc || do_debug_ranges)
&& num_debug_info_entries == 0)
{
unsigned long length;
for (section_begin = start, num_units = 0; section_begin < end;
num_units ++)
{
length = byte_get (section_begin, 4);
if (length == 0xffffffff)
{
length = byte_get (section_begin + 4, 8);
section_begin += length + 12;
}
else
section_begin += length + 4;
}
if (num_units == 0)
{
error (_("No comp units in .debug_info section ?"));
return 0;
}
debug_information = cmalloc (num_units,
sizeof (* debug_information));
if (debug_information == NULL)
{
error (_("Not enough memory for a debug info array of %u entries"),
num_units);
return 0;
}
}
if (!do_loc)
{
printf (_("The section %s contains:\n\n"),
SECTION_NAME (section));
load_debug_str (file);
load_debug_loc (file);
load_debug_range (file);
}
for (section_begin = start, unit = 0; start < end; unit++)
{
DWARF2_Internal_CompUnit compunit;
unsigned char *hdrptr;
unsigned char *cu_abbrev_offset_ptr;
unsigned char *tags;
int level;
unsigned long cu_offset;
int offset_size;
int initial_length_size;
hdrptr = start;
compunit.cu_length = byte_get (hdrptr, 4);
hdrptr += 4;
if (compunit.cu_length == 0xffffffff)
{
compunit.cu_length = byte_get (hdrptr, 8);
hdrptr += 8;
offset_size = 8;
initial_length_size = 12;
}
else
{
offset_size = 4;
initial_length_size = 4;
}
compunit.cu_version = byte_get (hdrptr, 2);
hdrptr += 2;
cu_offset = start - section_begin;
start += compunit.cu_length + initial_length_size;
if (elf_header.e_type == ET_REL
&& !debug_apply_rela_addends (file, section, offset_size,
section_begin, hdrptr, start))
return 0;
cu_abbrev_offset_ptr = hdrptr;
compunit.cu_abbrev_offset = byte_get (hdrptr, offset_size);
hdrptr += offset_size;
compunit.cu_pointer_size = byte_get (hdrptr, 1);
hdrptr += 1;
if ((do_loc || do_debug_loc || do_debug_ranges)
&& num_debug_info_entries == 0)
{
debug_information [unit].cu_offset = cu_offset;
debug_information [unit].pointer_size
= compunit.cu_pointer_size;
debug_information [unit].base_address = 0;
debug_information [unit].loc_offsets = NULL;
debug_information [unit].have_frame_base = NULL;
debug_information [unit].max_loc_offsets = 0;
debug_information [unit].num_loc_offsets = 0;
debug_information [unit].range_lists = NULL;
debug_information [unit].max_range_lists= 0;
debug_information [unit].num_range_lists = 0;
}
tags = hdrptr;
if (!do_loc)
{
printf (_(" Compilation Unit @ offset 0x%lx:\n"), cu_offset);
printf (_(" Length: %ld\n"), compunit.cu_length);
printf (_(" Version: %d\n"), compunit.cu_version);
printf (_(" Abbrev Offset: %ld\n"), compunit.cu_abbrev_offset);
printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size);
}
if (compunit.cu_version != 2 && compunit.cu_version != 3)
{
warn (_("Only version 2 and 3 DWARF debug information is currently supported.\n"));
continue;
}
free_abbrevs ();
{
Elf_Internal_Shdr *sec;
unsigned char *begin;
sec = find_section (".debug_abbrev");
if (sec == NULL)
{
warn (_("Unable to locate .debug_abbrev section!\n"));
return 0;
}
begin = get_data (NULL, file, sec->sh_offset, 1, sec->sh_size,
_("debug_abbrev section data"));
if (!begin)
return 0;
process_abbrev_section (begin + compunit.cu_abbrev_offset,
begin + sec->sh_size);
free (begin);
}
level = 0;
while (tags < start)
{
unsigned int bytes_read;
unsigned long abbrev_number;
abbrev_entry *entry;
abbrev_attr *attr;
abbrev_number = read_leb128 (tags, & bytes_read, 0);
tags += bytes_read;
if (abbrev_number == 0)
{
--level;
continue;
}
for (entry = first_abbrev;
entry && entry->entry != abbrev_number;
entry = entry->next)
continue;
if (entry == NULL)
{
warn (_("Unable to locate entry %lu in the abbreviation table\n"),
abbrev_number);
return 0;
}
if (!do_loc)
printf (_(" <%d><%lx>: Abbrev Number: %lu (%s)\n"),
level,
(unsigned long) (tags - section_begin
- bytes_read),
abbrev_number,
get_TAG_name (entry->tag));
switch (entry->tag)
{
default:
need_base_address = 0;
break;
case DW_TAG_compile_unit:
need_base_address = 1;
break;
case DW_TAG_entry_point:
case DW_TAG_inlined_subroutine:
case DW_TAG_subprogram:
need_base_address = 0;
have_frame_base = 0;
break;
}
for (attr = entry->first_attr; attr; attr = attr->next)
tags = read_and_display_attr (attr->attribute,
attr->form,
tags, cu_offset,
compunit.cu_pointer_size,
offset_size,
compunit.cu_version,
&debug_information [unit],
do_loc);
if (entry->children)
++level;
}
}
if ((do_loc || do_debug_loc || do_debug_ranges)
&& num_debug_info_entries == 0)
num_debug_info_entries = num_units;
if (!do_loc)
{
free_debug_range ();
free_debug_str ();
free_debug_loc ();
printf ("\n");
}
return 1;
}
static unsigned int
get_pointer_size_and_offset_of_comp_unit (unsigned int comp_unit,
const char * section_name,
unsigned long * offset_return)
{
unsigned long offset = 0;
if (num_debug_info_entries == 0)
error (_("%s section needs a populated .debug_info section\n"),
section_name);
else if (comp_unit >= num_debug_info_entries)
{
if (!warned_about_missing_comp_units)
{
warn (_("%s section has more comp units than .debug_info section\n"),
section_name);
warn (_("assuming that the pointer size is %d, from the last comp unit in .debug_info\n\n"),
last_pointer_size);
warned_about_missing_comp_units = TRUE;
}
}
else
{
last_pointer_size = debug_information [comp_unit].pointer_size;
offset = debug_information [comp_unit].cu_offset;
}
if (offset_return != NULL)
* offset_return = offset;
return last_pointer_size;
}
static unsigned int
get_debug_info (FILE * file)
{
Elf_Internal_Shdr * section;
unsigned char * start;
int ret;
last_pointer_size = 0;
warned_about_missing_comp_units = FALSE;
if (num_debug_info_entries > 0)
return num_debug_info_entries;
section = find_section (".debug_info");
if (section == NULL)
return 0;
start = get_data (NULL, file, section->sh_offset, 1, section->sh_size,
_("extracting information from .debug_info section"));
if (start == NULL)
return 0;
ret = process_debug_info (section, start, file, 1);
free (start);
return ret ? num_debug_info_entries : 0;
}
static int
display_debug_lines (Elf_Internal_Shdr *section,
unsigned char *start, FILE *file)
{
unsigned char *data = start;
unsigned char *end = start + section->sh_size;
unsigned int comp_unit = 0;
printf (_("\nDump of debug contents of section %s:\n\n"),
SECTION_NAME (section));
get_debug_info (file);
while (data < end)
{
DWARF2_Internal_LineInfo info;
unsigned char *standard_opcodes;
unsigned char *end_of_sequence;
unsigned char *hdrptr;
unsigned int pointer_size;
int initial_length_size;
int offset_size;
int i;
hdrptr = data;
info.li_length = byte_get (hdrptr, 4);
hdrptr += 4;
if (info.li_length == 0xffffffff)
{
info.li_length = byte_get (hdrptr, 8);
hdrptr += 8;
offset_size = 8;
initial_length_size = 12;
}
else
{
offset_size = 4;
initial_length_size = 4;
}
if (info.li_length + initial_length_size > section->sh_size)
{
warn
(_("The line info appears to be corrupt - the section is too small\n"));
return 0;
}
info.li_version = byte_get (hdrptr, 2);
hdrptr += 2;
if (info.li_version != 2 && info.li_version != 3)
{
warn (_("Only DWARF version 2 and 3 line info is currently supported.\n"));
return 0;
}
info.li_prologue_length = byte_get (hdrptr, offset_size);
hdrptr += offset_size;
info.li_min_insn_length = byte_get (hdrptr, 1);
hdrptr++;
info.li_default_is_stmt = byte_get (hdrptr, 1);
hdrptr++;
info.li_line_base = byte_get (hdrptr, 1);
hdrptr++;
info.li_line_range = byte_get (hdrptr, 1);
hdrptr++;
info.li_opcode_base = byte_get (hdrptr, 1);
hdrptr++;
info.li_line_base <<= 24;
info.li_line_base >>= 24;
pointer_size = get_pointer_size_and_offset_of_comp_unit
(comp_unit, ".debug_line", NULL);
comp_unit ++;
printf (_(" Length: %ld\n"), info.li_length);
printf (_(" DWARF Version: %d\n"), info.li_version);
printf (_(" Prologue Length: %d\n"), info.li_prologue_length);
printf (_(" Minimum Instruction Length: %d\n"), info.li_min_insn_length);
printf (_(" Initial value of 'is_stmt': %d\n"), info.li_default_is_stmt);
printf (_(" Line Base: %d\n"), info.li_line_base);
printf (_(" Line Range: %d\n"), info.li_line_range);
printf (_(" Opcode Base: %d\n"), info.li_opcode_base);
printf (_(" (Pointer size: %u)%s\n"),
pointer_size,
warned_about_missing_comp_units ? " [assumed]" : "" );
end_of_sequence = data + info.li_length + initial_length_size;
reset_state_machine (info.li_default_is_stmt);
standard_opcodes = hdrptr;
printf (_("\n Opcodes:\n"));
for (i = 1; i < info.li_opcode_base; i++)
printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]);
data = standard_opcodes + info.li_opcode_base - 1;
if (*data == 0)
printf (_("\n The Directory Table is empty.\n"));
else
{
printf (_("\n The Directory Table:\n"));
while (*data != 0)
{
printf (_(" %s\n"), data);
data += strlen ((char *) data) + 1;
}
}
data++;
if (*data == 0)
printf (_("\n The File Name Table is empty.\n"));
else
{
printf (_("\n The File Name Table:\n"));
printf (_(" Entry\tDir\tTime\tSize\tName\n"));
while (*data != 0)
{
unsigned char *name;
unsigned int bytes_read;
printf (_(" %d\t"), ++state_machine_regs.last_file_entry);
name = data;
data += strlen ((char *) data) + 1;
printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
data += bytes_read;
printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
data += bytes_read;
printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
data += bytes_read;
printf (_("%s\n"), name);
}
}
data++;
printf (_("\n Line Number Statements:\n"));
while (data < end_of_sequence)
{
unsigned char op_code;
int adv;
unsigned int bytes_read;
op_code = *data++;
if (op_code >= info.li_opcode_base)
{
op_code -= info.li_opcode_base;
adv = (op_code / info.li_line_range) * info.li_min_insn_length;
state_machine_regs.address += adv;
printf (_(" Special opcode %d: advance Address by %d to 0x%lx"),
op_code, adv, state_machine_regs.address);
adv = (op_code % info.li_line_range) + info.li_line_base;
state_machine_regs.line += adv;
printf (_(" and Line by %d to %d\n"),
adv, state_machine_regs.line);
}
else switch (op_code)
{
case DW_LNS_extended_op:
if (pointer_size == 0)
{
warn (_("Extend line ops need a valid pointer size, guessing at 4\n"));
pointer_size = 4;
}
data += process_extended_line_op (data, info.li_default_is_stmt,
pointer_size);
break;
case DW_LNS_copy:
printf (_(" Copy\n"));
break;
case DW_LNS_advance_pc:
adv = info.li_min_insn_length * read_leb128 (data, & bytes_read, 0);
data += bytes_read;
state_machine_regs.address += adv;
printf (_(" Advance PC by %d to %lx\n"), adv,
state_machine_regs.address);
break;
case DW_LNS_advance_line:
adv = read_leb128 (data, & bytes_read, 1);
data += bytes_read;
state_machine_regs.line += adv;
printf (_(" Advance Line by %d to %d\n"), adv,
state_machine_regs.line);
break;
case DW_LNS_set_file:
adv = read_leb128 (data, & bytes_read, 0);
data += bytes_read;
printf (_(" Set File Name to entry %d in the File Name Table\n"),
adv);
state_machine_regs.file = adv;
break;
case DW_LNS_set_column:
adv = read_leb128 (data, & bytes_read, 0);
data += bytes_read;
printf (_(" Set column to %d\n"), adv);
state_machine_regs.column = adv;
break;
case DW_LNS_negate_stmt:
adv = state_machine_regs.is_stmt;
adv = ! adv;
printf (_(" Set is_stmt to %d\n"), adv);
state_machine_regs.is_stmt = adv;
break;
case DW_LNS_set_basic_block:
printf (_(" Set basic block\n"));
state_machine_regs.basic_block = 1;
break;
case DW_LNS_const_add_pc:
adv = (((255 - info.li_opcode_base) / info.li_line_range)
* info.li_min_insn_length);
state_machine_regs.address += adv;
printf (_(" Advance PC by constant %d to 0x%lx\n"), adv,
state_machine_regs.address);
break;
case DW_LNS_fixed_advance_pc:
adv = byte_get (data, 2);
data += 2;
state_machine_regs.address += adv;
printf (_(" Advance PC by fixed size amount %d to 0x%lx\n"),
adv, state_machine_regs.address);
break;
case DW_LNS_set_prologue_end:
printf (_(" Set prologue_end to true\n"));
break;
case DW_LNS_set_epilogue_begin:
printf (_(" Set epilogue_begin to true\n"));
break;
case DW_LNS_set_isa:
adv = read_leb128 (data, & bytes_read, 0);
data += bytes_read;
printf (_(" Set ISA to %d\n"), adv);
break;
default:
printf (_(" Unknown opcode %d with operands: "), op_code);
for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
{
printf ("0x%lx%s", read_leb128 (data, &bytes_read, 0),
i == 1 ? "" : ", ");
data += bytes_read;
}
putchar ('\n');
break;
}
}
putchar ('\n');
}
return 1;
}
static int
display_debug_pubnames (Elf_Internal_Shdr *section,
unsigned char *start,
FILE *file ATTRIBUTE_UNUSED)
{
DWARF2_Internal_PubNames pubnames;
unsigned char *end;
end = start + section->sh_size;
printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
while (start < end)
{
unsigned char *data;
unsigned long offset;
int offset_size, initial_length_size;
data = start;
pubnames.pn_length = byte_get (data, 4);
data += 4;
if (pubnames.pn_length == 0xffffffff)
{
pubnames.pn_length = byte_get (data, 8);
data += 8;
offset_size = 8;
initial_length_size = 12;
}
else
{
offset_size = 4;
initial_length_size = 4;
}
pubnames.pn_version = byte_get (data, 2);
data += 2;
pubnames.pn_offset = byte_get (data, offset_size);
data += offset_size;
pubnames.pn_size = byte_get (data, offset_size);
data += offset_size;
start += pubnames.pn_length + initial_length_size;
if (pubnames.pn_version != 2 && pubnames.pn_version != 3)
{
static int warned = 0;
if (! warned)
{
warn (_("Only DWARF 2 and 3 pubnames are currently supported\n"));
warned = 1;
}
continue;
}
printf (_(" Length: %ld\n"),
pubnames.pn_length);
printf (_(" Version: %d\n"),
pubnames.pn_version);
printf (_(" Offset into .debug_info section: %ld\n"),
pubnames.pn_offset);
printf (_(" Size of area in .debug_info section: %ld\n"),
pubnames.pn_size);
printf (_("\n Offset\tName\n"));
do
{
offset = byte_get (data, offset_size);
if (offset != 0)
{
data += offset_size;
printf (" %-6ld\t\t%s\n", offset, data);
data += strlen ((char *) data) + 1;
}
}
while (offset != 0);
}
printf ("\n");
return 1;
}
static int
display_debug_macinfo (Elf_Internal_Shdr *section,
unsigned char *start,
FILE *file ATTRIBUTE_UNUSED)
{
unsigned char *end = start + section->sh_size;
unsigned char *curr = start;
unsigned int bytes_read;
enum dwarf_macinfo_record_type op;
printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
while (curr < end)
{
unsigned int lineno;
const char *string;
op = *curr;
curr++;
switch (op)
{
case DW_MACINFO_start_file:
{
unsigned int filenum;
lineno = read_leb128 (curr, & bytes_read, 0);
curr += bytes_read;
filenum = read_leb128 (curr, & bytes_read, 0);
curr += bytes_read;
printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"),
lineno, filenum);
}
break;
case DW_MACINFO_end_file:
printf (_(" DW_MACINFO_end_file\n"));
break;
case DW_MACINFO_define:
lineno = read_leb128 (curr, & bytes_read, 0);
curr += bytes_read;
string = (char *) curr;
curr += strlen (string) + 1;
printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"),
lineno, string);
break;
case DW_MACINFO_undef:
lineno = read_leb128 (curr, & bytes_read, 0);
curr += bytes_read;
string = (char *) curr;
curr += strlen (string) + 1;
printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"),
lineno, string);
break;
case DW_MACINFO_vendor_ext:
{
unsigned int constant;
constant = read_leb128 (curr, & bytes_read, 0);
curr += bytes_read;
string = (char *) curr;
curr += strlen (string) + 1;
printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"),
constant, string);
}
break;
}
}
return 1;
}
static int
display_debug_abbrev (Elf_Internal_Shdr *section,
unsigned char *start,
FILE *file ATTRIBUTE_UNUSED)
{
abbrev_entry *entry;
unsigned char *end = start + section->sh_size;
printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
do
{
start = process_abbrev_section (start, end);
if (first_abbrev == NULL)
continue;
printf (_(" Number TAG\n"));
for (entry = first_abbrev; entry; entry = entry->next)
{
abbrev_attr *attr;
printf (_(" %ld %s [%s]\n"),
entry->entry,
get_TAG_name (entry->tag),
entry->children ? _("has children") : _("no children"));
for (attr = entry->first_attr; attr; attr = attr->next)
printf (_(" %-18s %s\n"),
get_AT_name (attr->attribute),
get_FORM_name (attr->form));
}
free_abbrevs ();
}
while (start);
printf ("\n");
return 1;
}
static int
display_debug_loc (Elf_Internal_Shdr *section,
unsigned char *start, FILE *file)
{
unsigned char *section_end;
unsigned long bytes;
unsigned char *section_begin = start;
unsigned int num_loc_list = 0;
unsigned long last_offset = 0;
unsigned int first = 0;
unsigned int i;
unsigned int j;
int seen_first_offset = 0;
int use_debug_info = 1;
unsigned char *next;
bytes = section->sh_size;
section_end = start + bytes;
if (bytes == 0)
{
printf (_("\nThe .debug_loc section is empty.\n"));
return 0;
}
get_debug_info (file);
for (i = 0; i < num_debug_info_entries; i++)
{
unsigned int num;
num = debug_information [i].num_loc_offsets;
num_loc_list += num;
if (use_debug_info && num != 0)
{
if (!seen_first_offset)
{
last_offset = debug_information [i].loc_offsets [0];
first = i;
seen_first_offset = 1;
j = 1;
}
else
j = 0;
for (; j < num; j++)
{
if (last_offset >
debug_information [i].loc_offsets [j])
{
use_debug_info = 0;
break;
}
last_offset = debug_information [i].loc_offsets [j];
}
}
}
if (!use_debug_info)
error (_("Location lists in .debug_info section aren't in ascending order!\n"));
if (!seen_first_offset)
error (_("No location lists in .debug_info section!\n"));
if (debug_information [first].loc_offsets [0] != 0)
warn (_("Location lists in .debug_loc section start at 0x%lx\n"),
debug_information [first].loc_offsets [0]);
printf (_("Contents of the .debug_loc section:\n\n"));
printf (_(" Offset Begin End Expression\n"));
seen_first_offset = 0;
for (i = first; i < num_debug_info_entries; i++)
{
unsigned long begin;
unsigned long end;
unsigned short length;
unsigned long offset;
unsigned int pointer_size;
unsigned long cu_offset;
unsigned long base_address;
int need_frame_base;
int has_frame_base;
pointer_size = debug_information [i].pointer_size;
cu_offset = debug_information [i].cu_offset;
for (j = 0; j < debug_information [i].num_loc_offsets; j++)
{
has_frame_base = debug_information [i].have_frame_base [j];
offset = debug_information [i].loc_offsets [j];
next = section_begin + offset;
base_address = debug_information [i].base_address;
if (!seen_first_offset)
seen_first_offset = 1;
else
{
if (start < next)
warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"),
(long)(start - section_begin), (long)(next - section_begin));
else if (start > next)
warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"),
(long)(start - section_begin), (long)(next - section_begin));
}
start = next;
if (offset >= bytes)
{
warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"),
offset);
continue;
}
while (1)
{
if (start + 2 * pointer_size > section_end)
{
warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
offset);
break;
}
begin = byte_get (start, pointer_size);
start += pointer_size;
end = byte_get (start, pointer_size);
start += pointer_size;
if (begin == 0 && end == 0)
{
printf (_(" %8.8lx <End of list>\n"), offset);
break;
}
if (begin == -1UL && end != -1UL)
{
base_address = end;
printf (_(" %8.8lx %8.8lx %8.8lx (base address)\n"),
offset, begin, end);
continue;
}
if (start + 2 > section_end)
{
warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
offset);
break;
}
length = byte_get (start, 2);
start += 2;
if (start + length > section_end)
{
warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
offset);
break;
}
printf (" %8.8lx %8.8lx %8.8lx (",
offset, begin + base_address, end + base_address);
need_frame_base = decode_location_expression (start,
pointer_size,
length,
cu_offset);
putchar (')');
if (need_frame_base && !has_frame_base)
printf (_(" [without DW_AT_frame_base]"));
if (begin == end)
fputs (_(" (start == end)"), stdout);
else if (begin > end)
fputs (_(" (start > end)"), stdout);
putchar ('\n');
start += length;
}
}
}
return 1;
}
static int
display_debug_str (Elf_Internal_Shdr *section,
unsigned char *start,
FILE *file ATTRIBUTE_UNUSED)
{
unsigned long bytes;
bfd_vma addr;
addr = section->sh_addr;
bytes = section->sh_size;
if (bytes == 0)
{
printf (_("\nThe .debug_str section is empty.\n"));
return 0;
}
printf (_("Contents of the .debug_str section:\n\n"));
while (bytes)
{
int j;
int k;
int lbytes;
lbytes = (bytes > 16 ? 16 : bytes);
printf (" 0x%8.8lx ", (unsigned long) addr);
for (j = 0; j < 16; j++)
{
if (j < lbytes)
printf ("%2.2x", start[j]);
else
printf (" ");
if ((j & 3) == 3)
printf (" ");
}
for (j = 0; j < lbytes; j++)
{
k = start[j];
if (k >= ' ' && k < 0x80)
printf ("%c", k);
else
printf (".");
}
putchar ('\n');
start += lbytes;
addr += lbytes;
bytes -= lbytes;
}
putchar ('\n');
return 1;
}
static int
display_debug_info (Elf_Internal_Shdr * section,
unsigned char * start, FILE * file)
{
return process_debug_info (section, start, file, 0);
}
static int
display_debug_aranges (Elf_Internal_Shdr *section,
unsigned char *start,
FILE *file ATTRIBUTE_UNUSED)
{
unsigned char *end = start + section->sh_size;
printf (_("The section %s contains:\n\n"), SECTION_NAME (section));
while (start < end)
{
unsigned char *hdrptr;
DWARF2_Internal_ARange arange;
unsigned char *ranges;
unsigned long length;
unsigned long address;
int excess;
int offset_size;
int initial_length_size;
hdrptr = start;
arange.ar_length = byte_get (hdrptr, 4);
hdrptr += 4;
if (arange.ar_length == 0xffffffff)
{
arange.ar_length = byte_get (hdrptr, 8);
hdrptr += 8;
offset_size = 8;
initial_length_size = 12;
}
else
{
offset_size = 4;
initial_length_size = 4;
}
arange.ar_version = byte_get (hdrptr, 2);
hdrptr += 2;
arange.ar_info_offset = byte_get (hdrptr, offset_size);
hdrptr += offset_size;
arange.ar_pointer_size = byte_get (hdrptr, 1);
hdrptr += 1;
arange.ar_segment_size = byte_get (hdrptr, 1);
hdrptr += 1;
if (arange.ar_version != 2 && arange.ar_version != 3)
{
warn (_("Only DWARF 2 and 3 aranges are currently supported.\n"));
break;
}
printf (_(" Length: %ld\n"), arange.ar_length);
printf (_(" Version: %d\n"), arange.ar_version);
printf (_(" Offset into .debug_info: %lx\n"), arange.ar_info_offset);
printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size);
printf (_(" Segment Size: %d\n"), arange.ar_segment_size);
printf (_("\n Address Length\n"));
ranges = hdrptr;
excess = (hdrptr - start) % (2 * arange.ar_pointer_size);
if (excess)
ranges += (2 * arange.ar_pointer_size) - excess;
for (;;)
{
address = byte_get (ranges, arange.ar_pointer_size);
ranges += arange.ar_pointer_size;
length = byte_get (ranges, arange.ar_pointer_size);
ranges += arange.ar_pointer_size;
if (address == 0 && length == 0)
break;
printf (" %8.8lx %lu\n", address, length);
}
start += arange.ar_length + initial_length_size;
}
printf ("\n");
return 1;
}
static int
display_debug_ranges (Elf_Internal_Shdr *section,
unsigned char *start,
FILE *file ATTRIBUTE_UNUSED)
{
unsigned char *section_end;
unsigned long bytes;
unsigned char *section_begin = start;
unsigned int num_range_list = 0;
unsigned long last_offset = 0;
unsigned int first = 0;
unsigned int i;
unsigned int j;
int seen_first_offset = 0;
int use_debug_info = 1;
unsigned char *next;
bytes = section->sh_size;
section_end = start + bytes;
if (bytes == 0)
{
printf (_("\nThe .debug_ranges section is empty.\n"));
return 0;
}
get_debug_info (file);
for (i = 0; i < num_debug_info_entries; i++)
{
unsigned int num;
num = debug_information [i].num_range_lists;
num_range_list += num;
if (use_debug_info && num != 0)
{
if (!seen_first_offset)
{
last_offset = debug_information [i].range_lists [0];
first = i;
seen_first_offset = 1;
j = 1;
}
else
j = 0;
for (; j < num; j++)
{
if (last_offset >
debug_information [i].range_lists [j])
{
use_debug_info = 0;
break;
}
last_offset = debug_information [i].range_lists [j];
}
}
}
if (!use_debug_info)
error (_("Range lists in .debug_info section aren't in ascending order!\n"));
if (!seen_first_offset)
error (_("No range lists in .debug_info section!\n"));
if (debug_information [first].range_lists [0] != 0)
warn (_("Range lists in .debug_ranges section start at 0x%lx\n"),
debug_information [first].range_lists [0]);
printf (_("Contents of the .debug_ranges section:\n\n"));
printf (_(" Offset Begin End\n"));
seen_first_offset = 0;
for (i = first; i < num_debug_info_entries; i++)
{
unsigned long begin;
unsigned long end;
unsigned long offset;
unsigned int pointer_size;
unsigned long base_address;
pointer_size = debug_information [i].pointer_size;
for (j = 0; j < debug_information [i].num_range_lists; j++)
{
offset = debug_information [i].range_lists [j];
next = section_begin + offset;
base_address = debug_information [i].base_address;
if (!seen_first_offset)
seen_first_offset = 1;
else
{
if (start < next)
warn (_("There is a hole [0x%lx - 0x%lx] in .debug_ranges section.\n"),
(long)(start - section_begin), (long)(next - section_begin));
else if (start > next)
warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_ranges section.\n"),
(long)(start - section_begin), (long)(next - section_begin));
}
start = next;
while (1)
{
begin = byte_get (start, pointer_size);
start += pointer_size;
end = byte_get (start, pointer_size);
start += pointer_size;
if (begin == 0 && end == 0)
{
printf (_(" %8.8lx <End of list>\n"), offset);
break;
}
if (begin == -1UL && end != -1UL)
{
base_address = end;
printf (" %8.8lx %8.8lx %8.8lx (base address)\n",
offset, begin, end);
continue;
}
printf (" %8.8lx %8.8lx %8.8lx",
offset, begin + base_address, end + base_address);
if (begin == end)
fputs (_(" (start == end)"), stdout);
else if (begin > end)
fputs (_(" (start > end)"), stdout);
putchar ('\n');
}
}
}
putchar ('\n');
return 1;
}
typedef struct Frame_Chunk
{
struct Frame_Chunk *next;
unsigned char *chunk_start;
int ncols;
short int *col_type;
int *col_offset;
char *augmentation;
unsigned int code_factor;
int data_factor;
unsigned long pc_begin;
unsigned long pc_range;
int cfa_reg;
int cfa_offset;
int ra;
unsigned char fde_encoding;
unsigned char cfa_exp;
}
Frame_Chunk;
#define DW_CFA_unreferenced (-1)
static void
frame_need_space (Frame_Chunk *fc, int reg)
{
int prev = fc->ncols;
if (reg < fc->ncols)
return;
fc->ncols = reg + 1;
fc->col_type = xcrealloc (fc->col_type, fc->ncols, sizeof (short int));
fc->col_offset = xcrealloc (fc->col_offset, fc->ncols, sizeof (int));
while (prev < fc->ncols)
{
fc->col_type[prev] = DW_CFA_unreferenced;
fc->col_offset[prev] = 0;
prev++;
}
}
static void
frame_display_row (Frame_Chunk *fc, int *need_col_headers, int *max_regs)
{
int r;
char tmp[100];
if (*max_regs < fc->ncols)
*max_regs = fc->ncols;
if (*need_col_headers)
{
*need_col_headers = 0;
printf (" LOC CFA ");
for (r = 0; r < *max_regs; r++)
if (fc->col_type[r] != DW_CFA_unreferenced)
{
if (r == fc->ra)
printf ("ra ");
else
printf ("r%-4d", r);
}
printf ("\n");
}
printf ("%08lx ", fc->pc_begin);
if (fc->cfa_exp)
strcpy (tmp, "exp");
else
sprintf (tmp, "r%d%+d", fc->cfa_reg, fc->cfa_offset);
printf ("%-8s ", tmp);
for (r = 0; r < fc->ncols; r++)
{
if (fc->col_type[r] != DW_CFA_unreferenced)
{
switch (fc->col_type[r])
{
case DW_CFA_undefined:
strcpy (tmp, "u");
break;
case DW_CFA_same_value:
strcpy (tmp, "s");
break;
case DW_CFA_offset:
sprintf (tmp, "c%+d", fc->col_offset[r]);
break;
case DW_CFA_register:
sprintf (tmp, "r%d", fc->col_offset[r]);
break;
case DW_CFA_expression:
strcpy (tmp, "exp");
break;
default:
strcpy (tmp, "n/a");
break;
}
printf ("%-5s", tmp);
}
}
printf ("\n");
}
static int
size_of_encoded_value (int encoding)
{
switch (encoding & 0x7)
{
default:
case 0: return eh_addr_size;
case 2: return 2;
case 3: return 4;
case 4: return 8;
}
}
static bfd_vma
get_encoded_value (unsigned char *data, int encoding)
{
int size = size_of_encoded_value (encoding);
if (encoding & DW_EH_PE_signed)
return byte_get_signed (data, size);
else
return byte_get (data, size);
}
#define GET(N) byte_get (start, N); start += N
#define LEB() read_leb128 (start, & length_return, 0); start += length_return
#define SLEB() read_leb128 (start, & length_return, 1); start += length_return
static int
display_debug_frames (Elf_Internal_Shdr *section,
unsigned char *start,
FILE *file ATTRIBUTE_UNUSED)
{
unsigned char *end = start + section->sh_size;
unsigned char *section_start = start;
Frame_Chunk *chunks = 0;
Frame_Chunk *remembered_state = 0;
Frame_Chunk *rs;
int is_eh = streq (SECTION_NAME (section), ".eh_frame");
unsigned int length_return;
int max_regs = 0;
printf (_("The section %s contains:\n"), SECTION_NAME (section));
while (start < end)
{
unsigned char *saved_start;
unsigned char *block_end;
unsigned long length;
unsigned long cie_id;
Frame_Chunk *fc;
Frame_Chunk *cie;
int need_col_headers = 1;
unsigned char *augmentation_data = NULL;
unsigned long augmentation_data_len = 0;
int encoded_ptr_size = eh_addr_size;
int offset_size;
int initial_length_size;
saved_start = start;
length = byte_get (start, 4); start += 4;
if (length == 0)
{
printf ("\n%08lx ZERO terminator\n\n",
(unsigned long)(saved_start - section_start));
return 1;
}
if (length == 0xffffffff)
{
length = byte_get (start, 8);
start += 8;
offset_size = 8;
initial_length_size = 12;
}
else
{
offset_size = 4;
initial_length_size = 4;
}
block_end = saved_start + length + initial_length_size;
cie_id = byte_get (start, offset_size); start += offset_size;
if (elf_header.e_type == ET_REL
&& !debug_apply_rela_addends (file, section, offset_size,
section_start, start, block_end))
return 0;
if (is_eh ? (cie_id == 0) : (cie_id == DW_CIE_ID))
{
int version;
fc = xmalloc (sizeof (Frame_Chunk));
memset (fc, 0, sizeof (Frame_Chunk));
fc->next = chunks;
chunks = fc;
fc->chunk_start = saved_start;
fc->ncols = 0;
fc->col_type = xmalloc (sizeof (short int));
fc->col_offset = xmalloc (sizeof (int));
frame_need_space (fc, max_regs-1);
version = *start++;
fc->augmentation = (char *) start;
start = (unsigned char *) strchr ((char *) start, '\0') + 1;
if (fc->augmentation[0] == 'z')
{
fc->code_factor = LEB ();
fc->data_factor = SLEB ();
if (version == 1)
{
fc->ra = GET (1);
}
else
{
fc->ra = LEB ();
}
augmentation_data_len = LEB ();
augmentation_data = start;
start += augmentation_data_len;
}
else if (streq (fc->augmentation, "eh"))
{
start += eh_addr_size;
fc->code_factor = LEB ();
fc->data_factor = SLEB ();
if (version == 1)
{
fc->ra = GET (1);
}
else
{
fc->ra = LEB ();
}
}
else
{
fc->code_factor = LEB ();
fc->data_factor = SLEB ();
if (version == 1)
{
fc->ra = GET (1);
}
else
{
fc->ra = LEB ();
}
}
cie = fc;
if (do_debug_frames_interp)
printf ("\n%08lx %08lx %08lx CIE \"%s\" cf=%d df=%d ra=%d\n",
(unsigned long)(saved_start - section_start), length, cie_id,
fc->augmentation, fc->code_factor, fc->data_factor,
fc->ra);
else
{
printf ("\n%08lx %08lx %08lx CIE\n",
(unsigned long)(saved_start - section_start), length, cie_id);
printf (" Version: %d\n", version);
printf (" Augmentation: \"%s\"\n", fc->augmentation);
printf (" Code alignment factor: %u\n", fc->code_factor);
printf (" Data alignment factor: %d\n", fc->data_factor);
printf (" Return address column: %d\n", fc->ra);
if (augmentation_data_len)
{
unsigned long i;
printf (" Augmentation data: ");
for (i = 0; i < augmentation_data_len; ++i)
printf (" %02x", augmentation_data[i]);
putchar ('\n');
}
putchar ('\n');
}
if (augmentation_data_len)
{
unsigned char *p, *q;
p = (unsigned char *) fc->augmentation + 1;
q = augmentation_data;
while (1)
{
if (*p == 'L')
q++;
else if (*p == 'P')
q += 1 + size_of_encoded_value (*q);
else if (*p == 'R')
fc->fde_encoding = *q++;
else
break;
p++;
}
if (fc->fde_encoding)
encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
}
frame_need_space (fc, fc->ra);
}
else
{
unsigned char *look_for;
static Frame_Chunk fde_fc;
fc = & fde_fc;
memset (fc, 0, sizeof (Frame_Chunk));
look_for = is_eh ? start - 4 - cie_id : section_start + cie_id;
for (cie = chunks; cie ; cie = cie->next)
if (cie->chunk_start == look_for)
break;
if (!cie)
{
warn ("Invalid CIE pointer %08lx in FDE at %p\n",
cie_id, saved_start);
start = block_end;
fc->ncols = 0;
fc->col_type = xmalloc (sizeof (short int));
fc->col_offset = xmalloc (sizeof (int));
frame_need_space (fc, max_regs - 1);
cie = fc;
fc->augmentation = "";
fc->fde_encoding = 0;
}
else
{
fc->ncols = cie->ncols;
fc->col_type = xcmalloc (fc->ncols, sizeof (short int));
fc->col_offset = xcmalloc (fc->ncols, sizeof (int));
memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int));
memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int));
fc->augmentation = cie->augmentation;
fc->code_factor = cie->code_factor;
fc->data_factor = cie->data_factor;
fc->cfa_reg = cie->cfa_reg;
fc->cfa_offset = cie->cfa_offset;
fc->ra = cie->ra;
frame_need_space (fc, max_regs-1);
fc->fde_encoding = cie->fde_encoding;
}
if (fc->fde_encoding)
encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
fc->pc_begin = get_encoded_value (start, fc->fde_encoding);
if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel
&& elf_header.e_type != ET_REL)
fc->pc_begin += section->sh_addr + (start - section_start);
start += encoded_ptr_size;
fc->pc_range = byte_get (start, encoded_ptr_size);
start += encoded_ptr_size;
if (cie->augmentation[0] == 'z')
{
augmentation_data_len = LEB ();
augmentation_data = start;
start += augmentation_data_len;
}
printf ("\n%08lx %08lx %08lx FDE cie=%08lx pc=%08lx..%08lx\n",
(unsigned long)(saved_start - section_start), length, cie_id,
(unsigned long)(cie->chunk_start - section_start),
fc->pc_begin, fc->pc_begin + fc->pc_range);
if (! do_debug_frames_interp && augmentation_data_len)
{
unsigned long i;
printf (" Augmentation data: ");
for (i = 0; i < augmentation_data_len; ++i)
printf (" %02x", augmentation_data[i]);
putchar ('\n');
putchar ('\n');
}
}
if (1 || do_debug_frames_interp)
{
unsigned char *tmp = start;
while (start < block_end)
{
unsigned op, opa;
unsigned long reg, tmp;
op = *start++;
opa = op & 0x3f;
if (op & 0xc0)
op &= 0xc0;
switch (op)
{
case DW_CFA_advance_loc:
break;
case DW_CFA_offset:
LEB ();
frame_need_space (fc, opa);
fc->col_type[opa] = DW_CFA_undefined;
break;
case DW_CFA_restore:
frame_need_space (fc, opa);
fc->col_type[opa] = DW_CFA_undefined;
break;
case DW_CFA_set_loc:
start += encoded_ptr_size;
break;
case DW_CFA_advance_loc1:
start += 1;
break;
case DW_CFA_advance_loc2:
start += 2;
break;
case DW_CFA_advance_loc4:
start += 4;
break;
case DW_CFA_offset_extended:
reg = LEB (); LEB ();
frame_need_space (fc, reg);
fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_restore_extended:
reg = LEB ();
frame_need_space (fc, reg);
fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_undefined:
reg = LEB ();
frame_need_space (fc, reg);
fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_same_value:
reg = LEB ();
frame_need_space (fc, reg);
fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_register:
reg = LEB (); LEB ();
frame_need_space (fc, reg);
fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_def_cfa:
LEB (); LEB ();
break;
case DW_CFA_def_cfa_register:
LEB ();
break;
case DW_CFA_def_cfa_offset:
LEB ();
break;
case DW_CFA_def_cfa_expression:
tmp = LEB ();
start += tmp;
break;
case DW_CFA_expression:
reg = LEB ();
tmp = LEB ();
start += tmp;
frame_need_space (fc, reg);
fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_offset_extended_sf:
reg = LEB (); SLEB ();
frame_need_space (fc, reg);
fc->col_type[reg] = DW_CFA_undefined;
break;
case DW_CFA_def_cfa_sf:
LEB (); SLEB ();
break;
case DW_CFA_def_cfa_offset_sf:
SLEB ();
break;
case DW_CFA_MIPS_advance_loc8:
start += 8;
break;
case DW_CFA_GNU_args_size:
LEB ();
break;
case DW_CFA_GNU_negative_offset_extended:
reg = LEB (); LEB ();
frame_need_space (fc, reg);
fc->col_type[reg] = DW_CFA_undefined;
default:
break;
}
}
start = tmp;
}
while (start < block_end)
{
unsigned op, opa;
unsigned long ul, reg, roffs;
long l, ofs;
bfd_vma vma;
op = *start++;
opa = op & 0x3f;
if (op & 0xc0)
op &= 0xc0;
switch (op)
{
case DW_CFA_advance_loc:
if (do_debug_frames_interp)
frame_display_row (fc, &need_col_headers, &max_regs);
else
printf (" DW_CFA_advance_loc: %d to %08lx\n",
opa * fc->code_factor,
fc->pc_begin + opa * fc->code_factor);
fc->pc_begin += opa * fc->code_factor;
break;
case DW_CFA_offset:
roffs = LEB ();
if (! do_debug_frames_interp)
printf (" DW_CFA_offset: r%d at cfa%+ld\n",
opa, roffs * fc->data_factor);
fc->col_type[opa] = DW_CFA_offset;
fc->col_offset[opa] = roffs * fc->data_factor;
break;
case DW_CFA_restore:
if (! do_debug_frames_interp)
printf (" DW_CFA_restore: r%d\n", opa);
fc->col_type[opa] = cie->col_type[opa];
fc->col_offset[opa] = cie->col_offset[opa];
break;
case DW_CFA_set_loc:
vma = get_encoded_value (start, fc->fde_encoding);
if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel
&& elf_header.e_type != ET_REL)
vma += section->sh_addr + (start - section_start);
start += encoded_ptr_size;
if (do_debug_frames_interp)
frame_display_row (fc, &need_col_headers, &max_regs);
else
printf (" DW_CFA_set_loc: %08lx\n", (unsigned long)vma);
fc->pc_begin = vma;
break;
case DW_CFA_advance_loc1:
ofs = byte_get (start, 1); start += 1;
if (do_debug_frames_interp)
frame_display_row (fc, &need_col_headers, &max_regs);
else
printf (" DW_CFA_advance_loc1: %ld to %08lx\n",
ofs * fc->code_factor,
fc->pc_begin + ofs * fc->code_factor);
fc->pc_begin += ofs * fc->code_factor;
break;
case DW_CFA_advance_loc2:
ofs = byte_get (start, 2); start += 2;
if (do_debug_frames_interp)
frame_display_row (fc, &need_col_headers, &max_regs);
else
printf (" DW_CFA_advance_loc2: %ld to %08lx\n",
ofs * fc->code_factor,
fc->pc_begin + ofs * fc->code_factor);
fc->pc_begin += ofs * fc->code_factor;
break;
case DW_CFA_advance_loc4:
ofs = byte_get (start, 4); start += 4;
if (do_debug_frames_interp)
frame_display_row (fc, &need_col_headers, &max_regs);
else
printf (" DW_CFA_advance_loc4: %ld to %08lx\n",
ofs * fc->code_factor,
fc->pc_begin + ofs * fc->code_factor);
fc->pc_begin += ofs * fc->code_factor;
break;
case DW_CFA_offset_extended:
reg = LEB ();
roffs = LEB ();
if (! do_debug_frames_interp)
printf (" DW_CFA_offset_extended: r%ld at cfa%+ld\n",
reg, roffs * fc->data_factor);
fc->col_type[reg] = DW_CFA_offset;
fc->col_offset[reg] = roffs * fc->data_factor;
break;
case DW_CFA_restore_extended:
reg = LEB ();
if (! do_debug_frames_interp)
printf (" DW_CFA_restore_extended: r%ld\n", reg);
fc->col_type[reg] = cie->col_type[reg];
fc->col_offset[reg] = cie->col_offset[reg];
break;
case DW_CFA_undefined:
reg = LEB ();
if (! do_debug_frames_interp)
printf (" DW_CFA_undefined: r%ld\n", reg);
fc->col_type[reg] = DW_CFA_undefined;
fc->col_offset[reg] = 0;
break;
case DW_CFA_same_value:
reg = LEB ();
if (! do_debug_frames_interp)
printf (" DW_CFA_same_value: r%ld\n", reg);
fc->col_type[reg] = DW_CFA_same_value;
fc->col_offset[reg] = 0;
break;
case DW_CFA_register:
reg = LEB ();
roffs = LEB ();
if (! do_debug_frames_interp)
printf (" DW_CFA_register: r%ld in r%ld\n", reg, roffs);
fc->col_type[reg] = DW_CFA_register;
fc->col_offset[reg] = roffs;
break;
case DW_CFA_remember_state:
if (! do_debug_frames_interp)
printf (" DW_CFA_remember_state\n");
rs = xmalloc (sizeof (Frame_Chunk));
rs->ncols = fc->ncols;
rs->col_type = xcmalloc (rs->ncols, sizeof (short int));
rs->col_offset = xcmalloc (rs->ncols, sizeof (int));
memcpy (rs->col_type, fc->col_type, rs->ncols);
memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (int));
rs->next = remembered_state;
remembered_state = rs;
break;
case DW_CFA_restore_state:
if (! do_debug_frames_interp)
printf (" DW_CFA_restore_state\n");
rs = remembered_state;
if (rs)
{
remembered_state = rs->next;
frame_need_space (fc, rs->ncols-1);
memcpy (fc->col_type, rs->col_type, rs->ncols);
memcpy (fc->col_offset, rs->col_offset,
rs->ncols * sizeof (int));
free (rs->col_type);
free (rs->col_offset);
free (rs);
}
else if (do_debug_frames_interp)
printf ("Mismatched DW_CFA_restore_state\n");
break;
case DW_CFA_def_cfa:
fc->cfa_reg = LEB ();
fc->cfa_offset = LEB ();
fc->cfa_exp = 0;
if (! do_debug_frames_interp)
printf (" DW_CFA_def_cfa: r%d ofs %d\n",
fc->cfa_reg, fc->cfa_offset);
break;
case DW_CFA_def_cfa_register:
fc->cfa_reg = LEB ();
fc->cfa_exp = 0;
if (! do_debug_frames_interp)
printf (" DW_CFA_def_cfa_reg: r%d\n", fc->cfa_reg);
break;
case DW_CFA_def_cfa_offset:
fc->cfa_offset = LEB ();
if (! do_debug_frames_interp)
printf (" DW_CFA_def_cfa_offset: %d\n", fc->cfa_offset);
break;
case DW_CFA_nop:
if (! do_debug_frames_interp)
printf (" DW_CFA_nop\n");
break;
case DW_CFA_def_cfa_expression:
ul = LEB ();
if (! do_debug_frames_interp)
{
printf (" DW_CFA_def_cfa_expression (");
decode_location_expression (start, eh_addr_size, ul, 0);
printf (")\n");
}
fc->cfa_exp = 1;
start += ul;
break;
case DW_CFA_expression:
reg = LEB ();
ul = LEB ();
if (! do_debug_frames_interp)
{
printf (" DW_CFA_expression: r%ld (", reg);
decode_location_expression (start, eh_addr_size, ul, 0);
printf (")\n");
}
fc->col_type[reg] = DW_CFA_expression;
start += ul;
break;
case DW_CFA_offset_extended_sf:
reg = LEB ();
l = SLEB ();
frame_need_space (fc, reg);
if (! do_debug_frames_interp)
printf (" DW_CFA_offset_extended_sf: r%ld at cfa%+ld\n",
reg, l * fc->data_factor);
fc->col_type[reg] = DW_CFA_offset;
fc->col_offset[reg] = l * fc->data_factor;
break;
case DW_CFA_def_cfa_sf:
fc->cfa_reg = LEB ();
fc->cfa_offset = SLEB ();
fc->cfa_offset = fc->cfa_offset * fc->data_factor;
fc->cfa_exp = 0;
if (! do_debug_frames_interp)
printf (" DW_CFA_def_cfa_sf: r%d ofs %d\n",
fc->cfa_reg, fc->cfa_offset);
break;
case DW_CFA_def_cfa_offset_sf:
fc->cfa_offset = SLEB ();
fc->cfa_offset = fc->cfa_offset * fc->data_factor;
if (! do_debug_frames_interp)
printf (" DW_CFA_def_cfa_offset_sf: %d\n", fc->cfa_offset);
break;
case DW_CFA_MIPS_advance_loc8:
ofs = byte_get (start, 8); start += 8;
if (do_debug_frames_interp)
frame_display_row (fc, &need_col_headers, &max_regs);
else
printf (" DW_CFA_MIPS_advance_loc8: %ld to %08lx\n",
ofs * fc->code_factor,
fc->pc_begin + ofs * fc->code_factor);
fc->pc_begin += ofs * fc->code_factor;
break;
case DW_CFA_GNU_window_save:
if (! do_debug_frames_interp)
printf (" DW_CFA_GNU_window_save\n");
break;
case DW_CFA_GNU_args_size:
ul = LEB ();
if (! do_debug_frames_interp)
printf (" DW_CFA_GNU_args_size: %ld\n", ul);
break;
case DW_CFA_GNU_negative_offset_extended:
reg = LEB ();
l = - LEB ();
frame_need_space (fc, reg);
if (! do_debug_frames_interp)
printf (" DW_CFA_GNU_negative_offset_extended: r%ld at cfa%+ld\n",
reg, l * fc->data_factor);
fc->col_type[reg] = DW_CFA_offset;
fc->col_offset[reg] = l * fc->data_factor;
break;
default:
warn (_("unsupported or unknown DW_CFA_%d\n"), op);
start = block_end;
}
}
if (do_debug_frames_interp)
frame_display_row (fc, &need_col_headers, &max_regs);
start = block_end;
}
printf ("\n");
return 1;
}
#undef GET
#undef LEB
#undef SLEB
static int
display_debug_not_supported (Elf_Internal_Shdr *section,
unsigned char *start ATTRIBUTE_UNUSED,
FILE *file ATTRIBUTE_UNUSED)
{
printf (_("Displaying the debug contents of section %s is not yet supported.\n"),
SECTION_NAME (section));
return 1;
}
static struct
{
const char *const name;
int (*display) (Elf_Internal_Shdr *, unsigned char *, FILE *);
}
debug_displays[] =
{
{ ".debug_abbrev", display_debug_abbrev },
{ ".debug_aranges", display_debug_aranges },
{ ".debug_frame", display_debug_frames },
{ ".debug_info", display_debug_info },
{ ".debug_line", display_debug_lines },
{ ".debug_pubnames", display_debug_pubnames },
{ ".eh_frame", display_debug_frames },
{ ".debug_macinfo", display_debug_macinfo },
{ ".debug_str", display_debug_str },
{ ".debug_loc", display_debug_loc },
{ ".debug_pubtypes", display_debug_pubnames },
{ ".debug_ranges", display_debug_ranges },
{ ".debug_static_func", display_debug_not_supported },
{ ".debug_static_vars", display_debug_not_supported },
{ ".debug_types", display_debug_not_supported },
{ ".debug_weaknames", display_debug_not_supported }
};
static int
display_debug_section (Elf_Internal_Shdr *section, FILE *file)
{
char *name = SECTION_NAME (section);
bfd_size_type length;
int result = 1;
int i;
length = section->sh_size;
if (length == 0)
{
printf (_("\nSection '%s' has no debugging data.\n"), name);
return 0;
}
if (strneq (name, ".gnu.linkonce.wi.", 17))
name = ".debug_info";
for (i = NUM_ELEM (debug_displays); i--;)
if (streq (debug_displays[i].name, name))
{
unsigned char *start;
start = get_data (NULL, file, section->sh_offset, 1, length,
_("debug section data"));
if (start == NULL)
{
result = 0;
break;
}
result &= debug_displays[i].display (section, start, file);
free (start);
free_abbrevs ();
break;
}
if (i == -1)
{
printf (_("Unrecognized debug section: %s\n"), name);
result = 0;
}
return result;
}
static void
process_section_contents (FILE *file)
{
Elf_Internal_Shdr *section;
unsigned int i;
if (! do_dump)
return;
for (i = 0, section = section_headers;
i < elf_header.e_shnum && i < num_dump_sects;
i++, section++)
{
#ifdef SUPPORT_DISASSEMBLY
if (dump_sects[i] & DISASS_DUMP)
disassemble_section (section, file);
#endif
if (dump_sects[i] & HEX_DUMP)
dump_section (section, file);
if (dump_sects[i] & DEBUG_DUMP)
display_debug_section (section, file);
}
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);
}
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;
if (dynamic_section == NULL)
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;
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 < sizeof (l_flags_vals) / sizeof (l_flags_vals[0]);
++fcnt)
if ((flags & l_flags_vals[fcnt].bit) != 0)
{
fputs (l_flags_vals[fcnt].name, stdout);
flags ^= l_flags_vals[fcnt].bit;
}
if (flags != 0)
printf (" %#x", (unsigned int) flags);
puts ("");
}
}
free (elib);
}
}
if (options_offset != 0)
{
Elf_External_Options *eopt;
Elf_Internal_Shdr *sect = section_headers;
Elf_Internal_Options *iopt;
Elf_Internal_Options *option;
size_t offset;
int cnt;
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"));
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:
printf (" NULL %d %lx", option->section, option->info);
break;
case ODK_REGINFO:
printf (" REGINFO ");
if (elf_header.e_machine == EM_MIPS)
{
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
{
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);
break;
case ODK_TAGS:
fputs (" TAGS ", stdout);
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:
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"));
return 0;
}
iconf = cmalloc (conflictsno, sizeof (*iconf));
if (iconf == NULL)
{
error (_("Out of memory"));
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);
}
return 1;
}
static int
process_gnu_liblist (FILE *file)
{
Elf_Internal_Shdr *section, *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_HEADER_INDEX (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_HEADER (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),
(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_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_netbsd_elfcore_note_type (unsigned e_type)
{
static char buff[64];
if (e_type == NT_NETBSDCORE_PROCINFO)
{
return _("NetBSD procinfo structure");
}
if (e_type < NT_NETBSDCORE_FIRSTMACH)
{
snprintf (buff, sizeof (buff), _("Unknown note type: (0x%08x)"), e_type);
return buff;
}
switch (elf_header.e_machine)
{
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;
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;
}
static int
process_note (Elf_Internal_Note *pnote)
{
const char *nt;
if (pnote->namesz == 0)
nt = get_note_type (pnote->type);
else if (strneq (pnote->namedata, "NetBSD-CORE", 11))
nt = get_netbsd_elfcore_note_type (pnote->type);
else
nt = get_note_type (pnote->type);
printf (" %s\t\t0x%08lx\t%s\n",
pnote->namesz ? pnote->namedata : "(NONE)",
pnote->descsz, nt);
return 1;
}
static int
process_corefile_note_segment (FILE *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"),
(long)((char *)external - (char *)pnotes));
warn (_(" type: %lx, namesize: %08lx, descsize: %08lx\n"),
inote.type, inote.namesz, inote.descsz);
break;
}
external = next;
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;
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 (! do_notes)
return 1;
if (elf_header.e_type != ET_CORE)
return process_note_sections (file);
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_MIPS:
case EM_MIPS_RS3_LE:
return process_mips_specific (file);
break;
default:
break;
}
return 1;
}
static int
get_file_header (FILE *file)
{
if (fread (elf_header.e_ident, EI_NIDENT, 1, file) != 1)
return 0;
switch (elf_header.e_ident[EI_DATA])
{
default:
case ELFDATANONE:
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;
}
is_32bit_elf = (elf_header.e_ident[EI_CLASS] != ELFCLASS64);
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 (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)
{
if (is_32bit_elf)
get_32bit_section_headers (file, 1);
else
get_64bit_section_headers (file, 1);
}
return 1;
}
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;
}
for (i = NUM_ELEM (version_info); i--;)
version_info[i] = 0;
for (i = NUM_ELEM (dynamic_info); i--;)
dynamic_info[i] = 0;
if (show_name)
printf (_("\nFile: %s\n"), file_name);
if (num_dump_sects > num_cmdline_dump_sects)
memset (dump_sects, 0, num_dump_sects);
if (num_cmdline_dump_sects > 0)
{
if (num_dump_sects == 0)
request_dump (num_cmdline_dump_sects, 0);
assert (num_dump_sects >= num_cmdline_dump_sects);
memcpy (dump_sects, cmdline_dump_sects, num_cmdline_dump_sects);
}
if (! process_file_header ())
return 1;
if (! process_section_headers (file))
{
do_unwind = do_version = do_dump = do_arch = 0;
if (! do_using_dynamic)
do_syms = do_reloc = 0;
}
if (! process_section_groups (file))
{
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, *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;
}
if (debug_information)
{
for (i = 0; i < num_debug_info_entries; i++)
{
if (!debug_information [i].max_loc_offsets)
{
free (debug_information [i].loc_offsets);
free (debug_information [i].have_frame_base);
}
if (!debug_information [i].max_range_lists)
free (debug_information [i].range_lists);
}
free (debug_information);
debug_information = NULL;
num_debug_info_entries = 0;
}
return 0;
}
static int
process_archive (char *file_name, FILE *file)
{
struct ar_hdr arhdr;
size_t got;
unsigned long size;
char *longnames = NULL;
unsigned long longnames_size = 0;
size_t file_name_size;
int ret;
show_name = 1;
got = fread (&arhdr, 1, sizeof arhdr, file);
if (got != sizeof arhdr)
{
if (got == 0)
return 0;
error (_("%s: failed to read archive header\n"), file_name);
return 1;
}
if (memcmp (arhdr.ar_name, "/ ", 16) == 0)
{
size = strtoul (arhdr.ar_size, NULL, 10);
if (fseek (file, size + (size & 1), SEEK_CUR) != 0)
{
error (_("%s: failed to skip archive symbol table\n"), file_name);
return 1;
}
got = fread (&arhdr, 1, sizeof arhdr, file);
if (got != sizeof arhdr)
{
if (got == 0)
return 0;
error (_("%s: failed to read archive header\n"), file_name);
return 1;
}
}
if (memcmp (arhdr.ar_name, "// ", 16) == 0)
{
longnames_size = strtoul (arhdr.ar_size, NULL, 10);
longnames = malloc (longnames_size);
if (longnames == NULL)
{
error (_("Out of memory\n"));
return 1;
}
if (fread (longnames, longnames_size, 1, file) != 1)
{
free (longnames);
error (_("%s: failed to read string table\n"), file_name);
return 1;
}
if ((longnames_size & 1) != 0)
getc (file);
got = fread (&arhdr, 1, sizeof arhdr, file);
if (got != sizeof arhdr)
{
free (longnames);
if (got == 0)
return 0;
error (_("%s: failed to read archive header\n"), file_name);
return 1;
}
}
file_name_size = strlen (file_name);
ret = 0;
while (1)
{
char *name;
char *nameend;
char *namealc;
if (arhdr.ar_name[0] == '/')
{
unsigned long off;
off = strtoul (arhdr.ar_name + 1, NULL, 10);
if (off >= longnames_size)
{
error (_("%s: invalid archive string table offset %lu\n"), file_name, off);
ret = 1;
break;
}
name = longnames + off;
nameend = memchr (name, '/', longnames_size - off);
}
else
{
name = arhdr.ar_name;
nameend = memchr (name, '/', 16);
}
if (nameend == NULL)
{
error (_("%s: bad archive file name\n"), file_name);
ret = 1;
break;
}
namealc = malloc (file_name_size + (nameend - name) + 3);
if (namealc == NULL)
{
error (_("Out of memory\n"));
ret = 1;
break;
}
memcpy (namealc, file_name, file_name_size);
namealc[file_name_size] = '(';
memcpy (namealc + file_name_size + 1, name, nameend - name);
namealc[file_name_size + 1 + (nameend - name)] = ')';
namealc[file_name_size + 2 + (nameend - name)] = '\0';
archive_file_offset = ftell (file);
archive_file_size = strtoul (arhdr.ar_size, NULL, 10);
ret |= process_object (namealc, file);
free (namealc);
if (fseek (file,
(archive_file_offset
+ archive_file_size
+ (archive_file_size & 1)),
SEEK_SET) != 0)
{
error (_("%s: failed to seek to next archive header\n"), file_name);
ret = 1;
break;
}
got = fread (&arhdr, 1, sizeof arhdr, file);
if (got != sizeof arhdr)
{
if (got == 0)
break;
error (_("%s: failed to read archive header\n"), file_name);
ret = 1;
break;
}
}
if (longnames != 0)
free (longnames);
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 header\n"), file_name);
fclose (file);
return 1;
}
if (memcmp (armag, ARMAG, SARMAG) == 0)
ret = process_archive (file_name, file);
else
{
rewind (file);
archive_file_size = archive_file_offset = 0;
ret = process_object (file_name, file);
}
fclose (file);
return ret;
}
#ifdef SUPPORT_DISASSEMBLY
void
print_address (unsigned int addr, FILE *outfile)
{
fprintf (outfile,"0x%8.8x", addr);
}
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);
parse_args (argc, argv);
if (num_dump_sects > 0)
{
cmdline_dump_sects = malloc (num_dump_sects);
if (cmdline_dump_sects == NULL)
error (_("Out of memory allocating dump request table."));
else
{
memcpy (cmdline_dump_sects, dump_sects, num_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;
}