#include <stdio.h>
#include <time.h>
+#if __GNUC__ >= 2
/* Define BFD64 here, even if our default architecture is 32 bit ELF
- as this will allow us to read in and parse 64bit and 32bit ELF files. */
+ as this will allow us to read in and parse 64bit and 32bit ELF files.
+ Only do this if we belive that the compiler can support a 64 bit
+ data type. For now we only rely on GCC being able to do this. */
#define BFD64
+#endif
+
#include "bfd.h"
#include "elf/common.h"
#include "elf/fr30.h"
#include "elf/mcore.h"
#include "elf/i960.h"
+#include "elf/pj.h"
#include "bucomm.h"
#include "getopt.h"
int do_debug_lines;
int do_debug_pubnames;
int do_debug_aranges;
+int do_arch;
+int do_notes;
int is_32bit_elf;
/* A dynamic array of flags indicating which sections require dumping. */
static bfd_vma byte_get_little_endian PARAMS ((unsigned char *, int));
static bfd_vma byte_get_big_endian PARAMS ((unsigned char *, int));
static const char * get_mips_dynamic_type PARAMS ((unsigned long));
+static const char * get_sparc64_dynamic_type PARAMS ((unsigned long));
+static const char * get_parisc_dynamic_type PARAMS ((unsigned long));
static const char * get_dynamic_type PARAMS ((unsigned long));
static int dump_relocations PARAMS ((FILE *, unsigned long, unsigned long, Elf_Internal_Sym *, unsigned long, char *, int));
static char * get_file_type PARAMS ((unsigned));
static char * get_machine_name PARAMS ((unsigned));
static char * get_machine_flags PARAMS ((unsigned, unsigned));
static const char * get_mips_segment_type PARAMS ((unsigned long));
+static const char * get_parisc_segment_type PARAMS ((unsigned long));
static const char * get_segment_type PARAMS ((unsigned long));
static const char * get_mips_section_type_name PARAMS ((unsigned int));
+static const char * get_parisc_section_type_name PARAMS ((unsigned int));
static const char * get_section_type_name PARAMS ((unsigned int));
static char * get_symbol_binding PARAMS ((unsigned int));
static char * get_symbol_type PARAMS ((unsigned int));
static int process_program_headers PARAMS ((FILE *));
static int process_section_headers PARAMS ((FILE *));
static void dynamic_segment_mips_val PARAMS ((Elf_Internal_Dyn *));
+static void dynamic_segment_parisc_val PARAMS ((Elf_Internal_Dyn *));
static int process_dynamic_segment PARAMS ((FILE *));
static int process_symbol_table PARAMS ((FILE *));
static int process_section_contents PARAMS ((FILE *));
static int display_debug_aranges PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
static unsigned char * process_abbrev_section PARAMS ((unsigned char *, unsigned char *));
static unsigned long read_leb128 PARAMS ((unsigned char *, int *, int));
-static int process_extended_line_op PARAMS ((unsigned char *, int));
+static int process_extended_line_op PARAMS ((unsigned char *, int, int));
static void reset_state_machine PARAMS ((int));
static char * get_TAG_name PARAMS ((unsigned long));
static char * get_AT_name PARAMS ((unsigned long));
static const char * get_data_encoding PARAMS ((unsigned char));
static const char * get_osabi_name PARAMS ((unsigned char));
static int guess_is_rela PARAMS ((unsigned long));
+static char * get_note_type PARAMS ((unsigned int));
+static int process_note PARAMS ((Elf32_Internal_Note *));
+static int process_corefile_note_segment PARAMS ((FILE *, unsigned long, unsigned long));
+static int process_corefile_note_segments PARAMS ((FILE *));
+static int process_corefile_contents PARAMS ((FILE *));
typedef int Elf32_Word;
#define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */
#define BYTE_GET(field) byte_get (field, sizeof (field))
+
+/* If we can support a 64 bit data type then BFD64 should be defined
+ and sizeof (bfd_vma) == 8. In this case when translating from an
+ external 8 byte field to an internal field, we can assume that the
+ internal field is also 8 bytes wide and so we can extact all the data.
+ If, however, BFD64 is not defined, then we must assume that the
+ internal data structure only has 4 byte wide fields that are the
+ equivalent of the 8 byte wide external counterparts, and so we must
+ truncate the data. */
+#ifdef BFD64
#define BYTE_GET8(field) byte_get (field, -8)
+#else
+#define BYTE_GET8(field) byte_get (field, 8)
+#endif
#define NUM_ELEM(array) (sizeof (array) / sizeof ((array)[0]))
| (((unsigned long) (field [2])) << 16)
| (((unsigned long) (field [3])) << 24);
+#ifdef BFD64
case -8:
/* This is a special case, generated by the BYTE_GET8 macro.
It means that we are loading an 8 byte value from a field
| (((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 ();
| (((unsigned long) (field [5])) << 16)
| (((unsigned long) (field [4])) << 24);
+#ifdef BFD64
case -8:
/* This is a special case, generated by the BYTE_GET8 macro.
It means that we are loading an 8 byte value from a field
| (((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 ();
case EM_MIPS:
case EM_MIPS_RS4_BE:
return FALSE;
-
+
/* Targets that use RELA relocations. */
case EM_68K:
+ case EM_SPARC32PLUS:
+ case EM_SPARCV9:
case EM_SPARC:
case EM_PPC:
case EM_CYGNUS_V850:
case EM_ALPHA:
case EM_MCORE:
return TRUE;
-
+
default:
warn (_("Don't know about relocations on this machine architecture\n"));
return FALSE;
Elf_Internal_Rel * rels;
Elf_Internal_Rela * relas;
-
+
if (is_rela == UNKNOWN)
is_rela = guess_is_rela (elf_header.e_machine);
if (is_32bit_elf)
{
Elf32_External_Rela * erelas;
-
+
GET_DATA_ALLOC (rel_offset, rel_size, erelas,
Elf32_External_Rela *, "relocs");
-
+
rel_size = rel_size / sizeof (Elf32_External_Rela);
-
+
relas = (Elf_Internal_Rela *)
malloc (rel_size * sizeof (Elf_Internal_Rela));
-
+
if (relas == NULL)
{
error(_("out of memory parsing relocs"));
return 0;
}
-
+
for (i = 0; i < rel_size; 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);
-
+
rels = (Elf_Internal_Rel *) relas;
}
else
{
Elf64_External_Rela * erelas;
-
+
GET_DATA_ALLOC (rel_offset, rel_size, erelas,
Elf64_External_Rela *, "relocs");
-
+
rel_size = rel_size / sizeof (Elf64_External_Rela);
-
+
relas = (Elf_Internal_Rela *)
malloc (rel_size * sizeof (Elf_Internal_Rela));
-
+
if (relas == NULL)
{
error(_("out of memory parsing relocs"));
return 0;
}
-
+
for (i = 0; i < rel_size; i++)
{
relas[i].r_offset = BYTE_GET8 (erelas[i].r_offset);
relas[i].r_info = BYTE_GET8 (erelas[i].r_info);
relas[i].r_addend = BYTE_GET8 (erelas[i].r_addend);
}
-
+
free (erelas);
-
+
rels = (Elf_Internal_Rel *) relas;
}
}
GET_DATA_ALLOC (rel_offset, rel_size, erels,
Elf32_External_Rel *, "relocs");
-
+
rel_size = rel_size / sizeof (Elf32_External_Rel);
-
+
rels = (Elf_Internal_Rel *)
malloc (rel_size * sizeof (Elf_Internal_Rel));
-
+
if (rels == NULL)
{
error(_("out of memory parsing relocs"));
return 0;
}
-
+
for (i = 0; i < rel_size; i++)
{
rels[i].r_offset = BYTE_GET (erels[i].r_offset);
rels[i].r_info = BYTE_GET (erels[i].r_info);
}
-
+
free (erels);
-
+
relas = (Elf_Internal_Rela *) rels;
}
else
GET_DATA_ALLOC (rel_offset, rel_size, erels,
Elf64_External_Rel *, "relocs");
-
+
rel_size = rel_size / sizeof (Elf64_External_Rel);
-
+
rels = (Elf_Internal_Rel *)
malloc (rel_size * sizeof (Elf_Internal_Rel));
-
+
if (rels == NULL)
{
error(_("out of memory parsing relocs"));
return 0;
}
-
+
for (i = 0; i < rel_size; i++)
{
rels[i].r_offset = BYTE_GET8 (erels[i].r_offset);
rels[i].r_info = BYTE_GET8 (erels[i].r_info);
}
-
+
free (erels);
-
+
relas = (Elf_Internal_Rela *) rels;
}
}
bfd_vma info;
bfd_vma symtab_index;
bfd_vma type;
-
+
if (is_rela)
{
offset = relas [i].r_offset;
offset = rels [i].r_offset;
info = rels [i].r_info;
}
-
+
if (is_32bit_elf)
{
type = ELF32_R_TYPE (info);
}
else
{
- type = ELF64_R_TYPE (info);
+ if (elf_header.e_machine == EM_SPARCV9)
+ type = ELF64_R_TYPE_ID (info);
+ else
+ type = ELF64_R_TYPE (info);
+ /* The #ifdef BFD64 below is to prevent a compile time warning.
+ We know that if we do not have a 64 bit data type that we
+ will never execute this code anyway. */
+#ifdef BFD64
symtab_index = ELF64_R_SYM (info);
+#endif
}
#ifdef _bfd_int64_low
#else
printf (" %8.8lx %5.5lx ", offset, info);
#endif
-
+
switch (elf_header.e_machine)
{
default:
break;
case EM_PARISC:
- rtype = elf32_hppa_reloc_type (type);
+ rtype = elf_hppa_reloc_type (type);
+ break;
+
+ case EM_PJ:
+ rtype = elf_pj_reloc_type (type);
break;
}
if (rtype == NULL)
-#ifdef _bfd_int64_low
+#ifdef _bfd_int64_low
printf (_("unrecognised: %-7lx"), _bfd_int64_low (type));
#else
printf (_("unrecognised: %-7lx"), type);
Elf_Internal_Sym * psym;
psym = symtab + symtab_index;
-
+
printf (" %08lx ", (unsigned long) psym->st_value);
-
+
if (psym->st_name == 0)
printf ("%-25.25s",
SECTION_NAME (section_headers + psym->st_shndx));
printf (_("<string table index %3ld>"), psym->st_name);
else
printf ("%-25.25s", strtab + psym->st_name);
-
+
if (is_rela)
printf (" + %lx", (unsigned long) relas [i].r_addend);
}
else if (is_rela)
printf ("%34c%lx", ' ', (unsigned long) relas[i].r_addend);
+ if (elf_header.e_machine == EM_SPARCV9
+ && !strcmp (rtype, "R_SPARC_OLO10"))
+ printf (" + %lx", (unsigned long) ELF64_R_TYPE_DATA (info));
+
putchar ('\n');
}
}
}
+static const char *
+get_sparc64_dynamic_type (type)
+ unsigned long type;
+{
+ switch (type)
+ {
+ case DT_SPARC_REGISTER: return "SPARC_REGISTER";
+ default:
+ return NULL;
+ }
+}
+
+static const char *
+get_parisc_dynamic_type (type)
+ unsigned long type;
+{
+ switch (type)
+ {
+ case DT_HP_LOAD_MAP: return "HP_LOAD_MAP";
+ case DT_HP_DLD_FLAGS: return "HP_DLD_FLAGS";
+ case DT_HP_DLD_HOOK: return "HP_DLD_HOOK";
+ case DT_HP_UX10_INIT: return "HP_UX10_INIT";
+ case DT_HP_UX10_INITSZ: return "HP_UX10_INITSZ";
+ case DT_HP_PREINIT: return "HP_PREINIT";
+ case DT_HP_PREINITSZ: return "HP_PREINITSZ";
+ case DT_HP_NEEDED: return "HP_NEEDED";
+ case DT_HP_TIME_STAMP: return "HP_TIME_STAMP";
+ case DT_HP_CHECKSUM: return "HP_CHECKSUM";
+ case DT_HP_GST_SIZE: return "HP_GST_SIZE";
+ case DT_HP_GST_VERSION: return "HP_GST_VERSION";
+ case DT_HP_GST_HASHVAL: return "HP_GST_HASHVAL";
+ default:
+ return NULL;
+ }
+}
+
static const char *
get_dynamic_type (type)
unsigned long type;
case DT_FINI_ARRAY: return "FINI_ARRAY";
case DT_INIT_ARRAYSZ: return "INIT_ARRAYSZ";
case DT_FINI_ARRAYSZ: return "FINI_ARRAYSZ";
-
+
case DT_PLTPADSZ: return "PLTPADSZ";
case DT_MOVEENT: return "MOVEENT";
case DT_MOVESZ: return "MOVESZ";
case DT_POSFLAG_1: return "POSFLAG_1";
case DT_SYMINSZ: return "SYMINSZ";
case DT_SYMINENT: return "SYMINENT"; /* aka VALRNGHI */
-
+
case DT_ADDRRNGLO: return "ADDRRNGLO";
case DT_SYMINFO: return "SYMINFO"; /* aka ADDRRNGHI */
-
+
case DT_VERSYM: return "VERSYM";
-
+
case DT_RELACOUNT: return "RELACOUNT";
case DT_RELCOUNT: return "RELCOUNT";
case DT_FLAGS_1: return "FLAGS_1";
case DT_VERDEFNUM: return "VERDEFNUM";
case DT_VERNEED: return "VERNEED";
case DT_VERNEEDNUM: return "VERNEEDNUM";
-
+
case DT_AUXILIARY: return "AUXILARY";
case DT_USED: return "USED";
case DT_FILTER: return "FILTER";
-
+
default:
if ((type >= DT_LOPROC) && (type <= DT_HIPROC))
{
const char * result;
-
+
switch (elf_header.e_machine)
{
case EM_MIPS:
case EM_MIPS_RS4_BE:
result = get_mips_dynamic_type (type);
break;
+ case EM_SPARCV9:
+ result = get_sparc64_dynamic_type (type);
+ break;
default:
result = NULL;
break;
sprintf (buff, _("Processor Specific: %lx"), type);
}
else if ((type >= DT_LOOS) && (type <= DT_HIOS))
- sprintf (buff, _("Operating System specific: %lx"), type);
+ {
+ const char * result;
+
+ switch (elf_header.e_machine)
+ {
+ case EM_PARISC:
+ result = get_parisc_dynamic_type (type);
+ break;
+ default:
+ result = NULL;
+ break;
+ }
+
+ if (result != NULL)
+ return result;
+
+ sprintf (buff, _("Operating System specific: %lx"), type);
+ }
else
sprintf (buff, _("<unknown>: %lx"), type);
-
+
return buff;
}
}
case EM_CYGNUS_MN10300: return "mn10300";
case EM_CYGNUS_MN10200: return "mn10200";
case EM_CYGNUS_FR30: return "Fujitsu FR30";
-
+ case EM_PJ: return "picoJava";
default:
sprintf (buff, _("<unknown>: %x"), e_machine);
return buff;
if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_4)
strcat (buf, ", mips4");
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");
+
+ case EM_PJ:
+ 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;
}
}
return NULL;
}
+static const char *
+get_parisc_segment_type (type)
+ unsigned long type;
+{
+ switch (type)
+ {
+ case PT_HP_TLS: return "HP_TLS";
+ case PT_HP_CORE_NONE: return "HP_CORE_NONE";
+ case PT_HP_CORE_VERSION: return "HP_CORE_VERSION";
+ case PT_HP_CORE_KERNEL: return "HP_CORE_KERNEL";
+ case PT_HP_CORE_COMM: return "HP_CORE_COMM";
+ case PT_HP_CORE_PROC: return "HP_CORE_PROC";
+ case PT_HP_CORE_LOADABLE: return "HP_CORE_LOADABLE";
+ case PT_HP_CORE_STACK: return "HP_CORE_STACK";
+ case PT_HP_CORE_SHM: return "HP_CORE_SHM";
+ case PT_HP_CORE_MMF: return "HP_CORE_MMF";
+ case PT_HP_PARALLEL: return "HP_PARALLEL";
+ case PT_HP_FASTBIND: return "HP_FASTBIND";
+ case PT_PARISC_ARCHEXT: return "PARISC_ARCHEXT";
+ case PT_PARISC_UNWIND: return "PARISC_UNWIND";
+ default:
+ break;
+ }
+
+ return NULL;
+}
+
static const char *
get_segment_type (p_type)
unsigned long p_type;
if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC))
{
const char * result;
-
+
switch (elf_header.e_machine)
{
case EM_MIPS:
case EM_MIPS_RS4_BE:
result = get_mips_segment_type (p_type);
break;
+ case EM_PARISC:
+ result = get_parisc_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))
- sprintf (buff, "LOOS+%lx", p_type - PT_LOOS);
+ {
+ const char * result;
+
+ switch (elf_header.e_machine)
+ {
+ case EM_PARISC:
+ result = get_parisc_segment_type (p_type);
+ break;
+ default:
+ result = NULL;
+ break;
+ }
+
+ if (result != NULL)
+ return result;
+
+ sprintf (buff, "LOOS+%lx", p_type - PT_LOOS);
+ }
else
sprintf (buff, _("<unknown>: %lx"), p_type);
return NULL;
}
+static const char *
+get_parisc_section_type_name (sh_type)
+ unsigned int sh_type;
+{
+ switch (sh_type)
+ {
+ case SHT_PARISC_EXT: return "PARISC_EXT";
+ case SHT_PARISC_UNWIND: return "PARISC_UNWIND";
+ case SHT_PARISC_DOC: return "PARISC_DOC";
+ default:
+ break;
+ }
+ return NULL;
+}
+
static const char *
get_section_type_name (sh_type)
unsigned int sh_type;
case EM_MIPS_RS4_BE:
result = get_mips_section_type_name (sh_type);
break;
+ case EM_PARISC:
+ result = get_parisc_section_type_name (sh_type);
+ break;
default:
result = NULL;
break;
sprintf (buff, "SHT_LOUSER+%x", sh_type - SHT_LOUSER);
else
sprintf (buff, _("<unknown>: %x"), sh_type);
-
+
return buff;
}
}
{"file-header", no_argument, 0, 'h'},
{"program-headers", no_argument, 0, 'l'},
{"headers", no_argument, 0, 'e'},
- {"histogram", no_argument, & do_histogram, 1},
+ {"histogram", no_argument, 0, 'I'},
{"segments", no_argument, 0, 'l'},
{"sections", no_argument, 0, 'S'},
{"section-headers", no_argument, 0, 'S'},
{"symbols", no_argument, 0, 's'},
{"syms", no_argument, 0, 's'},
{"relocs", no_argument, 0, 'r'},
+ {"notes", no_argument, 0, 'n'},
{"dynamic", no_argument, 0, 'd'},
+ {"arch-specific", no_argument, 0, 'A'},
{"version-info", no_argument, 0, 'V'},
{"use-dynamic", no_argument, 0, 'D'},
{"hex-dump", required_argument, 0, 'x'},
{
fprintf (stdout, _("Usage: readelf {options} elf-file(s)\n"));
fprintf (stdout, _(" Options are:\n"));
- fprintf (stdout, _(" -a or --all Equivalent to: -h -l -S -s -r -d -V --histogram\n"));
+ fprintf (stdout, _(" -a or --all Equivalent to: -h -l -S -s -r -d -V -A -I\n"));
fprintf (stdout, _(" -h or --file-header Display the ELF file header\n"));
fprintf (stdout, _(" -l or --program-headers or --segments\n"));
fprintf (stdout, _(" Display the program headers\n"));
fprintf (stdout, _(" Display the sections' header\n"));
fprintf (stdout, _(" -e or --headers Equivalent to: -h -l -S\n"));
fprintf (stdout, _(" -s or --syms or --symbols Display the symbol table\n"));
+ fprintf (stdout, _(" -n or --notes Display the core notes (if present)\n"));
fprintf (stdout, _(" -r or --relocs Display the relocations (if present)\n"));
fprintf (stdout, _(" -d or --dynamic Display the dynamic segment (if present)\n"));
fprintf (stdout, _(" -V or --version-info Display the version sections (if present)\n"));
+ fprintf (stdout, _(" -A or --arch-specific Display architecture specific information (if any).\n"));
fprintf (stdout, _(" -D or --use-dynamic Use the dynamic section info when displaying symbols\n"));
fprintf (stdout, _(" -x <number> or --hex-dump=<number>\n"));
fprintf (stdout, _(" Dump the contents of section <number>\n"));
fprintf (stdout, _(" -i <number> or --instruction-dump=<number>\n"));
fprintf (stdout, _(" Disassemble the contents of section <number>\n"));
#endif
- fprintf (stdout, _(" --histogram Display histogram of bucket list lengths\n"));
+ fprintf (stdout, _(" -I or --histogram Display histogram of bucket list lengths\n"));
fprintf (stdout, _(" -v or --version Display the version number of readelf\n"));
fprintf (stdout, _(" -H or --help Display this information\n"));
fprintf (stdout, _("Report bugs to bug-gnu-utils@gnu.org\n"));
usage ();
while ((c = getopt_long
- (argc, argv, "ersahldSDw::x:i:vV", options, NULL)) != EOF)
+ (argc, argv, "ersahnldSDAIw::x:i:vV", options, NULL)) != EOF)
{
char * cp;
int section;
do_segments ++;
do_version ++;
do_histogram ++;
+ do_arch ++;
+ do_notes ++;
break;
case 'e':
do_header ++;
do_sections ++;
do_segments ++;
break;
+ case 'A':
+ do_arch ++;
+ break;
case 'D':
do_using_dynamic ++;
break;
case 'd':
do_dynamic ++;
break;
+ case 'I':
+ do_histogram ++;
+ break;
+ case 'n':
+ do_notes ++;
+ break;
case 'x':
do_dump ++;
section = strtoul (optarg, & cp, 0);
if (!do_dynamic && !do_syms && !do_reloc && !do_sections
&& !do_segments && !do_header && !do_dump && !do_version
- && !do_histogram && !do_debugging)
+ && !do_histogram && !do_debugging && !do_arch && !do_notes)
usage ();
else if (argc < 3)
{
unsigned char elf_class;
{
static char buff [32];
-
+
switch (elf_class)
{
case ELFCLASSNONE: return _("none");
case ELFCLASS32: return _("ELF32");
case ELFCLASS64: return _("ELF64");
default:
- sprintf (buff, _("<unknown: %lx>"), elf_class);
+ sprintf (buff, _("<unknown: %x>"), elf_class);
return buff;
}
}
unsigned char encoding;
{
static char buff [32];
-
+
switch (encoding)
{
case ELFDATANONE: return _("none");
case ELFDATA2LSB: return _("2's complement, little endian");
case ELFDATA2MSB: return _("2's complement, big endian");
- default:
- sprintf (buff, _("<unknown: %lx>"), encoding);
+ default:
+ sprintf (buff, _("<unknown: %x>"), encoding);
return buff;
}
}
unsigned char osabi;
{
static char buff [32];
-
+
switch (osabi)
{
case ELFOSABI_SYSV: return _("UNIX - System V");
case ELFOSABI_HPUX: return _("UNIX - HP-UX");
case ELFOSABI_STANDALONE: return _("Standalone App");
default:
- sprintf (buff, _("<unknown: %lx>"), osabi);
+ sprintf (buff, _("<unknown: %x>"), osabi);
return buff;
}
}
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>" : "",
- 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"),
printf (_(" Section header string table index: %ld\n"),
(long) elf_header.e_shstrndx);
}
-
+
return 1;
}
Elf32_External_Phdr * external;
Elf32_Internal_Phdr * internal;
unsigned int i;
-
+
GET_DATA_ALLOC (elf_header.e_phoff,
elf_header.e_phentsize * elf_header.e_phnum,
phdrs, Elf32_External_Phdr *, "program headers");
Elf64_External_Phdr * external;
Elf64_Internal_Phdr * internal;
unsigned int i;
-
+
GET_DATA_ALLOC (elf_header.e_phoff,
elf_header.e_phentsize * elf_header.e_phnum,
phdrs, Elf64_External_Phdr *, "program headers");
free (program_headers);
return 0;
}
-
+
if (do_segments)
{
printf
(_("\nProgram Header%s:\n"), elf_header.e_phnum > 1 ? "s" : "");
printf
- (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n"));
+ (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n"));
}
loadaddr = -1;
{
if (do_segments)
{
- printf (" %-11.11s ", get_segment_type (segment->p_type));
+ printf (" %-14.14s ", get_segment_type (segment->p_type));
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);
? (section->sh_addr >= segment->p_vaddr
&& section->sh_addr + section->sh_size
<= segment->p_vaddr + segment->p_memsz)
- : (section->sh_offset >= segment->p_offset
+ : ((bfd_vma) section->sh_offset >= segment->p_offset
&& (section->sh_offset + section->sh_size
<= segment->p_offset + segment->p_filesz))))
printf ("%s ", SECTION_NAME (section));
dynamic_symbols = NULL;
dynamic_strings = NULL;
dynamic_syminfo = NULL;
-
+
for (i = 0, section = section_headers;
i < elf_header.e_shnum;
i ++, section ++)
if (do_using_dynamic)
{
- int is_rela;
+ int is_rela = FALSE;
rel_size = 0;
rel_offset = 0;
{
rel_offset = dynamic_info[DT_JMPREL];
rel_size = dynamic_info[DT_PLTRELSZ];
-
+
switch (dynamic_info[DT_PLTREL])
{
case DT_REL:
char * strtab;
int is_rela;
unsigned long nsyms;
-
+
printf (_("\nRelocation section "));
if (string_table == NULL)
GET_DATA_ALLOC (strsec->sh_offset, strsec->sh_size, strtab,
char *, "string table");
-
+
is_rela = section->sh_type == SHT_RELA;
dump_relocations (file, rel_offset, rel_size, symtab, nsyms, strtab, is_rela);
puts ("");
}
break;
-
+
case DT_MIPS_IVERSION:
if (dynamic_strings != NULL)
printf ("Interface Version: %s\n",
else
printf ("%ld\n", (long) entry->d_un.d_ptr);
break;
-
+
case DT_MIPS_TIME_STAMP:
{
char timebuf[20];
printf ("Time Stamp: %s\n", timebuf);
}
break;
-
+
case DT_MIPS_RLD_VERSION:
case DT_MIPS_LOCAL_GOTNO:
case DT_MIPS_CONFLICTNO:
case DT_MIPS_COMPACT_SIZE:
printf ("%ld\n", (long) entry->d_un.d_ptr);
break;
-
+
+ default:
+ printf ("%#lx\n", (long) entry->d_un.d_ptr);
+ }
+}
+
+
+static void
+dynamic_segment_parisc_val (entry)
+ Elf_Internal_Dyn * entry;
+{
+ switch (entry->d_tag)
+ {
+ case DT_HP_DLD_FLAGS:
+ {
+ static struct
+ {
+ long int bit;
+ const char *str;
+ } flags[] =
+ {
+ { DT_HP_DEBUG_PRIVATE, "HP_DEBUG_PRIVATE" },
+ { DT_HP_DEBUG_CALLBACK, "HP_DEBUG_CALLBACK" },
+ { DT_HP_DEBUG_CALLBACK_BOR, "HP_DEBUG_CALLBACK_BOR" },
+ { DT_HP_NO_ENVVAR, "HP_NO_ENVVAR" },
+ { DT_HP_BIND_NOW, "HP_BIND_NOW" },
+ { DT_HP_BIND_NONFATAL, "HP_BIND_NONFATAL" },
+ { DT_HP_BIND_VERBOSE, "HP_BIND_VERBOSE" },
+ { DT_HP_BIND_RESTRICTED, "HP_BIND_RESTRICTED" },
+ { DT_HP_BIND_SYMBOLIC, "HP_BIND_SYMBOLIC" },
+ { DT_HP_RPATH_FIRST, "HP_RPATH_FIRST" },
+ { DT_HP_BIND_DEPTH_FIRST, "HP_BIND_DEPTH_FIRST" }
+ };
+ int first = 1;
+ int cnt;
+ long int 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)
+ printf ("%s%#lx", first ? "" : " ", val);
+ puts ("");
+ }
+ break;
+
default:
printf ("%#lx\n", (long) entry->d_un.d_ptr);
}
Elf32_External_Dyn * edyn;
Elf_Internal_Dyn * entry;
bfd_size_type i;
-
+
GET_DATA_ALLOC (dynamic_addr, dynamic_size,
edyn, Elf32_External_Dyn *, "dynamic segment");
-
+
/* SGI's ELF has more than one section in the DYNAMIC segment. Determine
how large this .dynamic is now. We can do this even before the byte
swapping since the DT_NULL tag is recognizable. */
Elf64_External_Dyn * edyn;
Elf_Internal_Dyn * entry;
bfd_size_type i;
-
+
GET_DATA_ALLOC (dynamic_addr, dynamic_size,
edyn, Elf64_External_Dyn *, "dynamic segment");
-
+
/* SGI's ELF has more than one section in the DYNAMIC segment. Determine
how large this .dynamic is now. We can do this even before the byte
swapping since the DT_NULL tag is recognizable. */
}
if (do_dynamic && dynamic_addr)
- printf (_("\nDynamic segment at offset 0x%x contains %d entries:\n"),
- dynamic_addr, dynamic_size);
+ printf (_("\nDynamic segment at offset 0x%x contains %ld entries:\n"),
+ dynamic_addr, (long) dynamic_size);
if (do_dynamic)
printf (_(" Tag Type Name/Value\n"));
break;
}
}
-
+
printf ("%#lx\n", (long) entry->d_un.d_val);
}
break;
case DT_BIND_NOW:
/* The value of this entry is ignored. */
break;
-
+
default:
if ((entry->d_tag >= DT_VERSYM) && (entry->d_tag <= DT_VERNEEDNUM))
version_info [DT_VERSIONTAGIDX (entry->d_tag)] =
case EM_MIPS_RS4_BE:
dynamic_segment_mips_val (entry);
break;
+ case EM_PARISC:
+ dynamic_segment_parisc_val (entry);
+ break;
default:
printf ("%#lx\n", (long) entry->d_un.d_ptr);
}
Elf_Internal_Verdaux aux;
int j;
int isum;
-
+
vstart = ((char *) edefs) + idx;
edef = (Elf_External_Verdef *) vstart;
free (edefs);
}
break;
-
+
case SHT_GNU_verneed:
{
Elf_External_Verneed * eneed;
idx += ent.vn_next;
}
-
+
free (eneed);
}
break;
free (symbols);
}
break;
-
+
default:
break;
}
switch (binding)
{
- case STB_LOCAL: return _("LOCAL");
- case STB_GLOBAL: return _("GLOBAL");
- case STB_WEAK: return _("WEAK");
+ case STB_LOCAL: return "LOCAL";
+ case STB_GLOBAL: return "GLOBAL";
+ case STB_WEAK: return "WEAK";
default:
if (binding >= STB_LOPROC && binding <= STB_HIPROC)
sprintf (buff, _("<processor specific>: %d"), binding);
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_NOTYPE: return "NOTYPE";
+ case STT_OBJECT: return "OBJECT";
+ case STT_FUNC: return "FUNC";
+ case STT_SECTION: return "SECTION";
+ case STT_FILE: return "FILE";
default:
if (type >= STT_LOPROC && type <= STT_HIPROC)
- sprintf (buff, _("<processor specific>: %d"), type);
+ {
+ if (elf_header.e_machine == EM_ARM && type == STT_ARM_TFUNC)
+ return "THUMB_FUNC";
+
+ if (elf_header.e_machine == EM_SPARCV9 && type == STT_REGISTER)
+ return "REGISTER";
+
+ if (elf_header.e_machine == EM_PARISC && type == STT_PARISC_MILLI)
+ return "PARISC_MILLI";
+
+ sprintf (buff, _("<processor specific>: %d"), type);
+ }
else if (type >= STT_LOOS && type <= STT_HIOS)
- sprintf (buff, _("<OS specific>: %d"), type);
+ {
+ if (elf_header.e_machine == EM_PARISC)
+ {
+ if (type == STT_HP_OPAQUE)
+ return "HP_OPAQUE";
+ if (type == STT_HP_STUB)
+ return "HP_STUB";
+ }
+
+ sprintf (buff, _("<OS specific>: %d"), type);
+ }
else
sprintf (buff, _("<unknown>: %d"), type);
return buff;
Elf32_Internal_Shdr * section;
char nb [4];
char nc [4];
- int nbuckets;
+ int nbuckets = 0;
int nchains;
int * buckets = NULL;
int * chains = NULL;
}
for (hn = 0; hn < nbuckets; ++hn)
- ++ counts [lengths [hn]];
+ ++counts[lengths [hn]];
- printf (" 0 %-10d (%5.1f%%)\n",
- counts[0], (counts[0] * 100.0) / nbuckets);
- for (si = 1; si <= maxlength; ++si)
+ if (nbuckets > 0)
{
- nzero_counts += counts[si] * si;
- printf ("%7d %-10d (%5.1f%%) %5.1f%%\n",
- si, counts[si], (counts[si] * 100.0) / nbuckets,
- (nzero_counts * 100.0) / nsyms);
+ printf (" 0 %-10d (%5.1f%%)\n",
+ counts[0], (counts[0] * 100.0) / nbuckets);
+ for (si = 1; si <= maxlength; ++si)
+ {
+ nzero_counts += counts[si] * si;
+ printf ("%7d %-10d (%5.1f%%) %5.1f%%\n",
+ si, counts[si], (counts[si] * 100.0) / nbuckets,
+ (nzero_counts * 100.0) / nsyms);
+ }
}
free (counts);
static int
process_syminfo (file)
- FILE * file;
+ FILE * file ATTRIBUTE_UNUSED;
{
- int i;
+ unsigned int i;
if (dynamic_syminfo == NULL
|| !do_dynamic)
/* Handled an extend line op. Returns true if this is the end
of sequence. */
static int
-process_extended_line_op (data, is_stmt)
+process_extended_line_op (data, is_stmt, pointer_size)
unsigned char * data;
int is_stmt;
+ int pointer_size;
{
unsigned char op_code;
int bytes_read;
unsigned int len;
unsigned char * name;
unsigned long adr;
-
+
len = read_leb128 (data, & bytes_read, 0);
data += bytes_read;
op_code = * data ++;
printf (_(" Extended opcode %d: "), op_code);
-
+
switch (op_code)
{
case DW_LNE_end_sequence:
break;
case DW_LNE_set_address:
- /* XXX - assumption here that address size is 4! */
- adr = byte_get (data, 4);
+ 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 (data) + 1;
return len;
}
+/* Size of pointers in the .debug_line section. This information is not
+ really present in that section. It's obtained before dumping the debug
+ sections by doing some pre-scan of the .debug_info section. */
+static int debug_line_pointer_size = 4;
static int
display_debug_lines (section, start, file)
Elf32_Internal_Shdr * section;
unsigned char * start;
- FILE * file;
+ FILE * file ATTRIBUTE_UNUSED;
{
DWARF2_External_LineInfo * external;
DWARF2_Internal_LineInfo info;
(_("The line info appears to be corrupt - the section is too small\n"));
return 0;
}
-
+
/* Check its version number. */
info.li_version = BYTE_GET (external->li_version);
if (info.li_version != 2)
warn (_("Only DWARF version 2 line info is currently supported.\n"));
return 0;
}
-
+
info.li_prologue_length = BYTE_GET (external->li_prologue_length);
info.li_min_insn_length = BYTE_GET (external->li_min_insn_length);
info.li_default_is_stmt = BYTE_GET (external->li_default_is_stmt);
info.li_line_base = BYTE_GET (external->li_line_base);
info.li_line_range = BYTE_GET (external->li_line_range);
info.li_opcode_base = BYTE_GET (external->li_opcode_base);
-
+
/* Sign extend the line base field. */
info.li_line_base <<= 24;
info.li_line_base >>= 24;
-
+
printf (_(" Length: %ld\n"), info.li_length);
printf (_(" DWARF Version: %d\n"), info.li_version);
printf (_(" Prolgue Length: %d\n"), info.li_prologue_length);
end_of_sequence = data + info.li_length + sizeof (info.li_length);
reset_state_machine (info.li_default_is_stmt);
-
+
/* Display the contents of the Opcodes table. */
standard_opcodes = data + sizeof (* external);
-
+
printf (_("\n Opcodes:\n"));
-
+
for (i = 1; i < info.li_opcode_base; i++)
- printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i]);
-
+ printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]);
+
/* Display the contents of the Directory table. */
data = standard_opcodes + info.li_opcode_base - 1;
-
+
if (* data == 0)
printf (_("\n The Directory Table is empty.\n"));
else
{
printf (_("\n The Directory Table:\n"));
-
+
while (* data != 0)
{
printf (_(" %s\n"), data);
-
+
data += strlen (data) + 1;
}
}
-
+
/* Skip the NUL at the end of the table. */
data ++;
-
+
/* Display the contents of the File Name table. */
if (* data == 0)
printf (_("\n The File Name Table is empty.\n"));
{
printf (_("\n The File Name Table:\n"));
printf (_(" Entry\tDir\tTime\tSize\tName\n"));
-
+
while (* data != 0)
{
char * name;
int bytes_read;
-
+
printf (_(" %d\t"), ++ state_machine_regs.last_file_entry);
name = data;
-
+
data += strlen (data) + 1;
-
+
printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
data += bytes_read;
printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
printf (_("%s\n"), name);
}
}
-
+
/* Skip the NUL at the end of the table. */
data ++;
-
+
/* Now display the statements. */
printf (_("\n Line Number Statements:\n"));
-
-
+
+
while (data < end_of_sequence)
{
unsigned char op_code;
int adv;
int bytes_read;
-
+
op_code = * data ++;
-
+
switch (op_code)
{
case DW_LNS_extended_op:
- data += process_extended_line_op (data, info.li_default_is_stmt);
+ data += process_extended_line_op (data, info.li_default_is_stmt,
+ debug_line_pointer_size);
break;
-
+
case DW_LNS_copy:
printf (_(" Copy\n"));
break;
-
+
case DW_LNS_advance_pc:
adv = info.li_min_insn_length * read_leb128 (data, & bytes_read, 0);
data += bytes_read;
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;
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;
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;
+ 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;
printf (_(" Advance PC by fixed size amount %d to 0x%lx\n"),
adv, state_machine_regs.address);
break;
-
+
default:
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;
+ 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);
}
printf ("\n");
}
-
+
return 1;
}
display_debug_pubnames (section, start, file)
Elf32_Internal_Shdr * section;
unsigned char * start;
- FILE * file;
+ FILE * file ATTRIBUTE_UNUSED;
{
DWARF2_External_PubNames * external;
DWARF2_Internal_PubNames pubnames;
entry = read_leb128 (start, & bytes_read, 0);
start += bytes_read;
+ /* A single zero is supposed to end the section according
+ to the standard. If there's more, then signal that to
+ the caller. */
if (entry == 0)
- return start;
+ return start == end ? NULL : start;
tag = read_leb128 (start, & bytes_read, 0);
start += bytes_read;
display_debug_abbrev (section, start, file)
Elf32_Internal_Shdr * section;
unsigned char * start;
- FILE * file;
+ FILE * file ATTRIBUTE_UNUSED;
{
abbrev_entry * entry;
unsigned char * end = start + section->sh_size;
printf ("DW_OP_xor");
break;
case DW_OP_bra:
- printf ("DW_OP_bra: %ld", byte_get (data, 2));
+ printf ("DW_OP_bra: %ld", (long) byte_get (data, 2));
break;
case DW_OP_eq:
printf ("DW_OP_eq");
unsigned char * data;
unsigned long pointer_size;
{
- unsigned long uvalue;
- unsigned char * block_start;
+ unsigned long uvalue = 0;
+ unsigned char * block_start = NULL;
int bytes_read;
int is_ref = 0;
while (tags < start)
{
int bytes_read;
- int abbrev_number;
+ unsigned long abbrev_number;
abbrev_entry * entry;
abbrev_attr * attr;
if (entry == NULL)
{
- warn (_("Unable to locate entry %d in the abbreviation table\n"),
+ warn (_("Unable to locate entry %lu in the abbreviation table\n"),
abbrev_number);
return 0;
}
- printf (_(" <%d><%x>: Abbrev Number: %d (%s)\n"),
+ printf (_(" <%d><%x>: Abbrev Number: %lu (%s)\n"),
level, tags - section_begin - bytes_read,
abbrev_number,
get_TAG_name (entry->tag));
display_debug_aranges (section, start, file)
Elf32_Internal_Shdr * section;
unsigned char * start;
- FILE * file;
+ FILE * file ATTRIBUTE_UNUSED;
{
unsigned char * end = start + section->sh_size;
unsigned char * ranges;
unsigned long length;
unsigned long address;
+ int excess;
external = (DWARF2_External_ARange *) start;
ranges = start + sizeof (* external);
+ /* Must pad to an alignment boundary that is twice the pointer size. */
+ excess = sizeof (*external) % (2 * arange.ar_pointer_size);
+ if (excess)
+ ranges += (2 * arange.ar_pointer_size) - excess;
+
for (;;)
{
address = byte_get (ranges, arange.ar_pointer_size);
- if (address == 0)
- break;
-
ranges += arange.ar_pointer_size;
length = byte_get (ranges, arange.ar_pointer_size);
ranges += arange.ar_pointer_size;
+ /* A pair of zeros marks the end of the list. */
+ if (address == 0 && length == 0)
+ break;
+
printf (" %8.8lx %lu\n", address, length);
}
static int
display_debug_not_supported (section, start, file)
Elf32_Internal_Shdr * section;
- unsigned char * start;
- FILE * file;
+ unsigned char * start ATTRIBUTE_UNUSED;
+ FILE * file ATTRIBUTE_UNUSED;
{
printf (_("Displaying the debug contents of section %s is not yet supported.\n"),
SECTION_NAME (section));
return 1;
}
+/* Pre-scan the .debug_info section to record the size of address.
+ When dumping the .debug_line, we use that size information, assuming
+ that all compilation units have the same address size. */
+static int
+prescan_debug_info (section, start, file)
+ Elf32_Internal_Shdr * section ATTRIBUTE_UNUSED;
+ unsigned char * start;
+ FILE * file ATTRIBUTE_UNUSED;
+{
+ DWARF2_External_CompUnit * external;
+
+ external = (DWARF2_External_CompUnit *) start;
+
+ debug_line_pointer_size = BYTE_GET (external->cu_pointer_size);
+ return 0;
+}
+
/* A structure containing the name of a debug section and a pointer
- to a function that can decode it. */
+ to a function that can decode it. The third field is a prescan
+ function to be run over the section before displaying any of the
+ sections. */
struct
{
char * name;
- int (* display) PARAMS((Elf32_Internal_Shdr *, unsigned char *, FILE *));
+ int (* display) PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
+ int (* prescan) PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
}
debug_displays[] =
{
- { ".debug_info", display_debug_info },
- { ".debug_abbrev", display_debug_abbrev },
- { ".debug_line", display_debug_lines },
- { ".debug_aranges", display_debug_aranges },
- { ".debug_pubnames", display_debug_pubnames },
- { ".debug_macinfo", display_debug_not_supported },
- { ".debug_frame", display_debug_not_supported },
- { ".debug_str", display_debug_not_supported },
- { ".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 }
+ { ".debug_info", display_debug_info, prescan_debug_info },
+ { ".debug_abbrev", display_debug_abbrev, NULL },
+ { ".debug_line", display_debug_lines, NULL },
+ { ".debug_aranges", display_debug_aranges, NULL },
+ { ".debug_pubnames", display_debug_pubnames, NULL },
+ { ".debug_macinfo", display_debug_not_supported, NULL },
+ { ".debug_frame", display_debug_not_supported, NULL },
+ { ".debug_str", display_debug_not_supported, NULL },
+ { ".debug_static_func", display_debug_not_supported, NULL },
+ { ".debug_static_vars", display_debug_not_supported, NULL },
+ { ".debug_types", display_debug_not_supported, NULL },
+ { ".debug_weaknames", display_debug_not_supported, NULL }
};
static int
process_section_contents (file)
FILE * file;
{
- Elf32_Internal_Shdr * section;
- unsigned int i;
+ Elf32_Internal_Shdr * section;
+ unsigned int i;
if (! do_dump)
return 1;
+ /* Pre-scan the debug sections to find some debug information not
+ present in some of them. For the .debug_line, we must find out the
+ size of address (specified in .debug_info and .debug_aranges). */
for (i = 0, section = section_headers;
- i < elf_header.e_shnum
- && i < num_dump_sects;
+ i < elf_header.e_shnum && i < num_dump_sects;
+ i ++, section ++)
+ {
+ char * name = SECTION_NAME (section);
+ int j;
+
+ if (section->sh_size == 0)
+ continue;
+
+ /* See if there is some pre-scan operation for this section. */
+ for (j = NUM_ELEM (debug_displays); j--;)
+ if (strcmp (debug_displays[j].name, name) == 0)
+ {
+ if (debug_displays[j].prescan != NULL)
+ {
+ bfd_size_type length;
+ unsigned char * start;
+
+ length = section->sh_size;
+ GET_DATA_ALLOC (section->sh_offset, length, start, unsigned char *,
+ "debug section data");
+
+ debug_displays[j].prescan (section, start, file);
+ free (start);
+ }
+
+ break;
+ }
+ }
+
+ for (i = 0, section = section_headers;
+ i < elf_header.e_shnum && i < num_dump_sects;
i ++, section ++)
{
#ifdef SUPPORT_DISASSEMBLY
{ " DELTA", LL_DELTA }
};
int flags = liblist.l_flags;
- int fcnt;
+ size_t fcnt;
for (fcnt = 0;
fcnt < sizeof (l_flags_vals) / sizeof (l_flags_vals[0]);
return 1;
}
+static char *
+get_note_type (e_type)
+ unsigned e_type;
+{
+ static char buff[64];
+
+ switch (e_type)
+ {
+ case NT_PRSTATUS: return _("NT_PRSTATUS (prstatus structure)");
+ case NT_FPREGSET: return _("NT_FPREGSET (floating point registers)");
+ case NT_PRPSINFO: return _("NT_PRPSINFO (prpsinfo structure)");
+ case NT_TASKSTRUCT: return _("NT_TASKSTRUCT (task structure)");
+ case NT_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)");
+ default:
+ sprintf (buff, _("Unknown note type: (0x%08x)"), e_type);
+ return buff;
+ }
+}
+
+/* Note that by the ELF standard, the name field is already null byte
+ terminated, and namesz includes the terminating null byte.
+ I.E. the value of namesz for the name "FSF" is 4.
+
+ If the value of namesz is zero, there is no name present. */
+static int
+process_note (pnote)
+ Elf32_Internal_Note * pnote;
+{
+ printf (" %s\t\t0x%08lx\t%s\n",
+ pnote->namesz ? pnote->namedata : "(NONE)",
+ pnote->descsz, get_note_type (pnote->type));
+ return 1;
+}
+
+
+static int
+process_corefile_note_segment (file, offset, length)
+ FILE * file;
+ unsigned long offset;
+ unsigned long length;
+{
+ Elf_External_Note * pnotes;
+ Elf_External_Note * external;
+ int res = 1;
+
+ if (length <= 0)
+ return 0;
+
+ GET_DATA_ALLOC (offset, length, pnotes, Elf_External_Note *, "notes");
+
+ external = pnotes;
+
+ printf (_("\nNotes at offset 0x%08lx with length 0x%08lx:\n"), offset, length);
+ printf (_(" Owner\t\tData size\tDescription\n"));
+
+ while (external < (Elf_External_Note *)((char *) pnotes + length))
+ {
+ Elf32_Internal_Note inote;
+ char * temp = NULL;
+
+ inote.type = BYTE_GET (external->type);
+ inote.namesz = BYTE_GET (external->namesz);
+ inote.namedata = external->name;
+ inote.descsz = BYTE_GET (external->descsz);
+ inote.descdata = inote.namedata + align_power (inote.namesz, 2);
+ inote.descpos = offset + (inote.descdata - (char *) pnotes);
+
+ external = (Elf_External_Note *)(inote.descdata + align_power (inote.descsz, 2));
+
+ /* Verify that name is null terminated. It appears that at least
+ one version of Linux (RedHat 6.0) generates corefiles that don't
+ comply with the ELF spec by failing to include the null byte in
+ namesz. */
+ if (inote.namedata[inote.namesz] != '\0')
+ {
+ temp = malloc (inote.namesz + 1);
+
+ if (temp == NULL)
+ {
+ error (_("Out of memory\n"));
+ res = 0;
+ break;
+ }
+
+ strncpy (temp, inote.namedata, inote.namesz);
+ temp[inote.namesz] = 0;
+
+ /* warn (_("'%s' NOTE name not properly null terminated\n"), temp); */
+ inote.namedata = temp;
+ }
+
+ res &= process_note (& inote);
+
+ if (temp != NULL)
+ {
+ free (temp);
+ temp = NULL;
+ }
+ }
+
+ free (pnotes);
+
+ return res;
+}
+
+static int
+process_corefile_note_segments (file)
+ FILE * file;
+{
+ Elf_Internal_Phdr * program_headers;
+ Elf_Internal_Phdr * segment;
+ unsigned int i;
+ int res = 1;
+
+ program_headers = (Elf_Internal_Phdr *) malloc
+ (elf_header.e_phnum * sizeof (Elf_Internal_Phdr));
+
+ if (program_headers == NULL)
+ {
+ error (_("Out of memory\n"));
+ return 0;
+ }
+
+ if (is_32bit_elf)
+ i = get_32bit_program_headers (file, program_headers);
+ else
+ i = get_64bit_program_headers (file, program_headers);
+
+ if (i == 0)
+ {
+ free (program_headers);
+ return 0;
+ }
+
+ for (i = 0, segment = program_headers;
+ i < elf_header.e_phnum;
+ i ++, segment ++)
+ {
+ if (segment->p_type == PT_NOTE)
+ res &= process_corefile_note_segment (file,
+ (unsigned long)segment->p_offset,
+ (unsigned long)segment->p_filesz);
+ }
+
+ free (program_headers);
+
+ return res;
+}
+
+static int
+process_corefile_contents (file)
+ FILE * file;
+{
+ /* If we have not been asked to display the notes then do nothing. */
+ if (! do_notes)
+ return 1;
+
+ /* If file is not a core file then exit. */
+ if (elf_header.e_type != ET_CORE)
+ return 1;
+
+ /* No program headers means no NOTE segment. */
+ if (elf_header.e_phnum == 0)
+ {
+ printf (_("No note segments present in the core file.\n"));
+ return 1;
+ }
+
+ return process_corefile_note_segments (file);
+}
+
static int
process_arch_specific (file)
FILE * file;
{
+ if (! do_arch)
+ return 1;
+
switch (elf_header.e_machine)
{
case EM_MIPS:
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);
else
{
Elf64_External_Ehdr ehdr64;
-
+
+ /* If we have been compiled with sizeof (bfd_vma) == 4, then
+ we will not be able to cope with the 64bit data found in
+ 64 ELF files. Detect this now and abort before we start
+ overwritting things. */
+ if (sizeof (bfd_vma) < 8)
+ {
+ error (_("This instance of readelf has been built without support for a\n"));
+ error (_("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);
process_section_contents (file);
+ process_corefile_contents (file);
+
process_arch_specific (file);
fclose (file);