char * program_name = "readelf";
unsigned int dynamic_addr;
-unsigned int dynamic_size;
+bfd_size_type dynamic_size;
unsigned int rela_addr;
unsigned int rela_size;
char * dynamic_strings;
int do_debug_lines;
int do_debug_pubnames;
int do_debug_aranges;
-int binary_class;
+int is_32bit_elf;
/* A dynamic array of flags indicating which sections require dumping. */
char * dump_sects = NULL;
#define DEBUG_DUMP (1 << 2)
/* Forward declarations for dumb compilers. */
-static unsigned long (* byte_get) PARAMS ((unsigned char *, int));
-static const char * get_mips_dynamic_type PARAMS ((unsigned long type));
-static const char * get_dynamic_type PARAMS ((unsigned long type));
+static bfd_vma (* byte_get) PARAMS ((unsigned char *, int));
+static bfd_vma byte_get_little_endian PARAMS ((unsigned char *, int));
+static bfd_vma byte_get_big_endian PARAMS ((unsigned char *, int));
+static const char * get_mips_dynamic_type PARAMS ((unsigned long));
+static const char * get_dynamic_type PARAMS ((unsigned long));
static int dump_relocations PARAMS ((FILE *, unsigned long, unsigned long, Elf_Internal_Sym *, char *, int));
-static char * get_file_type PARAMS ((unsigned e_type));
-static char * get_machine_name PARAMS ((unsigned e_machine));
-static char * get_machine_data PARAMS ((unsigned e_data));
-static char * get_machine_flags PARAMS ((unsigned, unsigned e_machine));
-static const char * get_mips_segment_type PARAMS ((unsigned long type));
-static const char * get_segment_type PARAMS ((unsigned long p_type));
-static const char * get_mips_section_type_name PARAMS ((unsigned int sh_type));
-static const char * get_section_type_name PARAMS ((unsigned int sh_type));
-static char * get_symbol_binding PARAMS ((unsigned int binding));
-static char * get_symbol_type PARAMS ((unsigned int type));
+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_segment_type PARAMS ((unsigned long));
+static const char * get_mips_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 void usage PARAMS ((void));
-static void parse_args PARAMS ((int argc, char ** argv));
+static void parse_args PARAMS ((int, char **));
static int process_file_header PARAMS ((void));
static int process_program_headers PARAMS ((FILE *));
static int process_section_headers PARAMS ((FILE *));
-static void dynamic_segment_mips_val PARAMS ((Elf_Internal_Dyn *entry));
+static void dynamic_segment_mips_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 void process_file PARAMS ((char * file_name));
+static void process_file PARAMS ((char *));
static int process_relocs PARAMS ((FILE *));
static int process_version_sections PARAMS ((FILE *));
-static char * get_ver_flags PARAMS ((unsigned int flags));
-static char * get_symbol_index_type PARAMS ((unsigned int type));
-static int get_section_headers PARAMS ((FILE * file));
-static int get_file_header PARAMS ((FILE * file));
-static Elf_Internal_Sym * get_elf_symbols PARAMS ((FILE * file, unsigned long offset, unsigned long number));
-static int * get_dynamic_data PARAMS ((FILE * file, unsigned int number));
+static char * get_ver_flags PARAMS ((unsigned int));
+static char * get_symbol_index_type PARAMS ((unsigned int));
+static int get_32bit_section_headers PARAMS ((FILE *));
+static int get_64bit_section_headers PARAMS ((FILE *));
+static int get_32bit_program_headers PARAMS ((FILE *, Elf_Internal_Phdr *));
+static int get_64bit_program_headers PARAMS ((FILE *, Elf_Internal_Phdr *));
+static int get_file_header PARAMS ((FILE *));
+static Elf_Internal_Sym * get_32bit_elf_symbols PARAMS ((FILE *, unsigned long, unsigned long));
+static Elf_Internal_Sym * get_64bit_elf_symbols PARAMS ((FILE *, unsigned long, unsigned long));
+static int * get_dynamic_data PARAMS ((FILE *, unsigned int));
+static int get_32bit_dynamic_segment PARAMS ((FILE *));
+static int get_64bit_dynamic_segment PARAMS ((FILE *));
#ifdef SUPPORT_DISASSEMBLY
static int disassemble_section PARAMS ((Elf32_Internal_Shdr *, FILE *));
#endif
#define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */
#define BYTE_GET(field) byte_get (field, sizeof (field))
+#define BYTE_GET8(field) byte_get (field, -8)
#define NUM_ELEM(array) (sizeof (array) / sizeof ((array)[0]))
return 0; \
}
+#define GET_ELF_SYMBOLS(file, offset, size) \
+ (is_32bit_elf ? get_32bit_elf_symbols (file, offset, size) \
+ : get_64bit_elf_symbols (file, offset, size))
+
+
#ifdef ANSI_PROTOTYPES
static void
error (const char * message, ...)
}
#endif
-static unsigned long int
+static bfd_vma
byte_get_little_endian (field, size)
unsigned char * field;
int size;
return ((unsigned int) (field [0]))
| (((unsigned int) (field [1])) << 8);
+ case 8:
+ /* We want to extract data from an 8 byte wide field and
+ place it into a 4 byte wide field. Since this is a little
+ endian source we can juts use the 4 byte extraction code. */
+ /* Fall through. */
case 4:
return ((unsigned long) (field [0]))
| (((unsigned long) (field [1])) << 8)
| (((unsigned long) (field [2])) << 16)
| (((unsigned long) (field [3])) << 24);
+ case -8:
+ /* This is a special case, generated by the BYTE_GET8 macro.
+ It means that we are loading an 8 byte value from a field
+ in an external structure into an 8 byte value in a field
+ in an internal strcuture. */
+ return ((bfd_vma) (field [0]))
+ | (((bfd_vma) (field [1])) << 8)
+ | (((bfd_vma) (field [2])) << 16)
+ | (((bfd_vma) (field [3])) << 24)
+ | (((bfd_vma) (field [4])) << 32)
+ | (((bfd_vma) (field [5])) << 40)
+ | (((bfd_vma) (field [6])) << 48)
+ | (((bfd_vma) (field [7])) << 56);
+
default:
error (_("Unhandled data length: %d\n"), size);
- abort();
+ abort ();
}
}
-static unsigned long int
+static bfd_vma
byte_get_big_endian (field, size)
unsigned char * field;
int size;
| (((unsigned long) (field [1])) << 16)
| (((unsigned long) (field [0])) << 24);
+ case 8:
+ /* Although we are extracing data from an 8 byte wide field, we
+ are returning only 4 bytes of data. */
+ return ((unsigned long) (field [7]))
+ | (((unsigned long) (field [6])) << 8)
+ | (((unsigned long) (field [5])) << 16)
+ | (((unsigned long) (field [4])) << 24);
+
+ case -8:
+ /* This is a special case, generated by the BYTE_GET8 macro.
+ It means that we are loading an 8 byte value from a field
+ in an external structure into an 8 byte value in a field
+ in an internal strcuture. */
+ return ((bfd_vma) (field [7]))
+ | (((bfd_vma) (field [6])) << 8)
+ | (((bfd_vma) (field [5])) << 16)
+ | (((bfd_vma) (field [4])) << 24)
+ | (((bfd_vma) (field [3])) << 32)
+ | (((bfd_vma) (field [2])) << 40)
+ | (((bfd_vma) (field [1])) << 48)
+ | (((bfd_vma) (field [0])) << 56);
+
default:
error (_("Unhandled data length: %d\n"), size);
- abort();
+ abort ();
}
}
}
}
-/* Display the contents of the relocation data
- found at the specified offset. */
+/* Display the contents of the relocation data found at the specified offset. */
static int
dump_relocations (file, rel_offset, rel_size, symtab, strtab, is_rela)
- FILE * file;
- unsigned long rel_offset;
- unsigned long rel_size;
- Elf_Internal_Sym * symtab;
- char * strtab;
- int is_rela;
+ FILE * file;
+ unsigned long rel_offset;
+ unsigned long rel_size;
+ Elf_Internal_Sym * symtab;
+ char * strtab;
+ int is_rela;
{
unsigned int i;
Elf_Internal_Rel * rels;
if (is_rela)
{
- Elf32_External_Rela * erelas;
-
- GET_DATA_ALLOC (rel_offset, rel_size, erelas,
- Elf32_External_Rela *, "relocs");
+ 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));
- rel_size = rel_size / sizeof (Elf32_External_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);
+ }
- relas = (Elf_Internal_Rela *) malloc (rel_size *
- sizeof (Elf_Internal_Rela));
+ free (erelas);
- if (relas == NULL)
- {
- error(_("out of memory parsing relocs"));
- return 0;
+ rels = (Elf_Internal_Rel *) relas;
}
-
- for (i = 0; i < rel_size; i++)
+ else
{
- 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);
- }
+ 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);
+ free (erelas);
- rels = (Elf_Internal_Rel *) relas;
+ rels = (Elf_Internal_Rel *) relas;
+ }
}
else
{
- Elf32_External_Rel * erels;
- unsigned long saved_rel_size = rel_size;
-
- 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)
+ if (is_32bit_elf)
{
- error(_("out of memory parsing relocs"));
- return 0;
+ Elf32_External_Rel * erels;
+
+ 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;
}
-
- for (i = 0; i < rel_size; i++)
+ else
{
- rels[i].r_offset = BYTE_GET (erels[i].r_offset);
- rels[i].r_info = BYTE_GET (erels[i].r_info);
+ Elf64_External_Rel * erels;
+
+ 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;
}
-
- free (erels);
-
- relas = (Elf_Internal_Rela *) rels;
}
if (is_rela)
for (i = 0; i < rel_size; i++)
{
- const char * rtype;
- unsigned long offset;
- unsigned long info;
- int symtab_index;
-
+ const char * rtype;
+ bfd_vma offset;
+ bfd_vma info;
+ bfd_vma symtab_index;
+ bfd_vma type;
+
if (is_rela)
{
offset = relas [i].r_offset;
info = rels [i].r_info;
}
- printf (" %8.8lx %5.5lx ", offset, info);
+
+ if (is_32bit_elf)
+ {
+ type = ELF32_R_TYPE (info);
+ symtab_index = ELF32_R_SYM (info);
+ }
+ else
+ {
+ type = ELF64_R_TYPE (info);
+ symtab_index = ELF64_R_SYM (info);
+ }
+#ifdef _bfd_int64_low
+ printf (" %8.8lx %5.5lx ", _bfd_int64_low (offset), _bfd_int64_low (info));
+#else
+ printf (" %8.8lx %5.5lx ", offset, info);
+#endif
+
switch (elf_header.e_machine)
{
default:
break;
case EM_CYGNUS_M32R:
- rtype = elf_m32r_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf_m32r_reloc_type (type);
break;
case EM_386:
case EM_486:
- rtype = elf_i386_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf_i386_reloc_type (type);
break;
case EM_68K:
- rtype = elf_m68k_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf_m68k_reloc_type (type);
break;
case EM_960:
- rtype = elf_i960_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf_i960_reloc_type (type);
break;
+ case EM_OLD_SPARCV9:
+ case EM_SPARC32PLUS:
+ case EM_SPARCV9:
case EM_SPARC:
- rtype = elf_sparc_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf_sparc_reloc_type (type);
break;
case EM_CYGNUS_V850:
- rtype = v850_reloc_type (ELF32_R_TYPE (info));
+ rtype = v850_reloc_type (type);
break;
case EM_CYGNUS_D10V:
- rtype = elf_d10v_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf_d10v_reloc_type (type);
break;
case EM_CYGNUS_D30V:
- rtype = elf_d30v_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf_d30v_reloc_type (type);
break;
case EM_SH:
- rtype = elf_sh_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf_sh_reloc_type (type);
break;
case EM_CYGNUS_MN10300:
- rtype = elf_mn10300_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf_mn10300_reloc_type (type);
break;
case EM_CYGNUS_MN10200:
- rtype = elf_mn10200_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf_mn10200_reloc_type (type);
break;
case EM_CYGNUS_FR30:
- rtype = elf_fr30_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf_fr30_reloc_type (type);
break;
case EM_MCORE:
- rtype = elf_mcore_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf_mcore_reloc_type (type);
break;
case EM_PPC:
- rtype = elf_ppc_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf_ppc_reloc_type (type);
break;
case EM_MIPS:
case EM_MIPS_RS4_BE:
- rtype = elf_mips_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf_mips_reloc_type (type);
break;
case EM_ALPHA:
- rtype = elf_alpha_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf_alpha_reloc_type (type);
break;
case EM_ARM:
- rtype = elf_arm_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf_arm_reloc_type (type);
break;
case EM_CYGNUS_ARC:
- rtype = elf_arc_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf_arc_reloc_type (type);
break;
case EM_PARISC:
- rtype = elf32_hppa_reloc_type (ELF32_R_TYPE (info));
+ rtype = elf32_hppa_reloc_type (type);
break;
}
if (rtype == NULL)
- printf (_("unrecognised: %-7lx"), ELF32_R_TYPE (info));
+#ifdef _bfd_int64_low
+ printf (_("unrecognised: %-7lx"), _bfd_int64_low (type));
+#else
+ printf (_("unrecognised: %-7lx"), type);
+#endif
else
printf ("%-21.21s", rtype);
- symtab_index = ELF32_R_SYM (info);
-
if (symtab_index && symtab != NULL)
{
Elf_Internal_Sym * psym;
return buf;
}
-static char *
-get_machine_data (e_data)
- unsigned e_data;
-{
- static char buff [32];
-
- switch (e_data)
- {
- case ELFDATA2LSB: return _("ELFDATA2LSB (little endian)");
- case ELFDATA2MSB: return _("ELFDATA2MSB (big endian)");
- default:
- sprintf (buff, _("<unknown>: %x"), e_data);
- return buff;
- }
-}
-
static const char *
get_mips_segment_type (type)
unsigned long type;
get_machine_name (elf_header.e_machine));
printf (_(" Version: 0x%lx\n"),
(unsigned long) elf_header.e_version);
- printf (_(" Data: %s\n"),
- get_machine_data (elf_header.e_ident [EI_DATA]));
printf (_(" Entry point address: 0x%lx\n"),
(unsigned long) elf_header.e_entry);
printf (_(" Start of program headers: %ld (bytes into file)\n"),
printf (_(" Section header string table index: %ld\n"),
(long) elf_header.e_shstrndx);
}
+
+ return 1;
+}
+
- /* Test class after dumping header so that at least the header can be
- display on 64 bit binaries. */
+static int
+get_32bit_program_headers (file, program_headers)
+ FILE * file;
+ Elf_Internal_Phdr * program_headers;
+{
+ Elf32_External_Phdr * phdrs;
+ Elf32_External_Phdr * external;
+ Elf32_Internal_Phdr * internal;
+ unsigned int i;
- binary_class = elf_header.e_ident [EI_CLASS];
- if (binary_class != ELFCLASS32)
+ GET_DATA_ALLOC (elf_header.e_phoff,
+ elf_header.e_phentsize * elf_header.e_phnum,
+ phdrs, Elf32_External_Phdr *, "program headers");
+
+ for (i = 0, internal = program_headers, external = phdrs;
+ i < elf_header.e_phnum;
+ i ++, internal ++, external ++)
{
- error (_("Not a 32 bit ELF file\n"));
- return 0;
+ internal->p_type = BYTE_GET (external->p_type);
+ internal->p_offset = BYTE_GET (external->p_offset);
+ internal->p_vaddr = BYTE_GET (external->p_vaddr);
+ internal->p_paddr = BYTE_GET (external->p_paddr);
+ internal->p_filesz = BYTE_GET (external->p_filesz);
+ internal->p_memsz = BYTE_GET (external->p_memsz);
+ internal->p_flags = BYTE_GET (external->p_flags);
+ internal->p_align = BYTE_GET (external->p_align);
}
+ free (phdrs);
+
return 1;
}
+static int
+get_64bit_program_headers (file, program_headers)
+ FILE * file;
+ Elf_Internal_Phdr * program_headers;
+{
+ Elf64_External_Phdr * phdrs;
+ Elf64_External_Phdr * external;
+ Elf64_Internal_Phdr * internal;
+ unsigned int i;
+
+ GET_DATA_ALLOC (elf_header.e_phoff,
+ elf_header.e_phentsize * elf_header.e_phnum,
+ phdrs, Elf64_External_Phdr *, "program headers");
+
+ for (i = 0, internal = program_headers, external = phdrs;
+ i < elf_header.e_phnum;
+ i ++, internal ++, external ++)
+ {
+ internal->p_type = BYTE_GET (external->p_type);
+ internal->p_flags = BYTE_GET (external->p_flags);
+ internal->p_offset = BYTE_GET8 (external->p_offset);
+ internal->p_vaddr = BYTE_GET8 (external->p_vaddr);
+ internal->p_paddr = BYTE_GET8 (external->p_paddr);
+ internal->p_filesz = BYTE_GET8 (external->p_filesz);
+ internal->p_memsz = BYTE_GET8 (external->p_memsz);
+ internal->p_align = BYTE_GET8 (external->p_align);
+ }
+
+ free (phdrs);
+
+ return 1;
+}
static int
process_program_headers (file)
FILE * file;
{
- Elf32_External_Phdr * phdrs;
- Elf32_Internal_Phdr * program_headers;
- Elf32_Internal_Phdr * segment;
- unsigned int i;
+ Elf_Internal_Phdr * program_headers;
+ Elf_Internal_Phdr * segment;
+ unsigned int i;
if (elf_header.e_phnum == 0)
{
elf_header.e_phnum, (unsigned long) elf_header.e_phoff);
}
- GET_DATA_ALLOC (elf_header.e_phoff,
- elf_header.e_phentsize * elf_header.e_phnum,
- phdrs, Elf32_External_Phdr *, "program headers");
-
- program_headers = (Elf32_Internal_Phdr *) malloc
- (elf_header.e_phnum * sizeof (Elf32_Internal_Phdr));
+ program_headers = (Elf_Internal_Phdr *) malloc
+ (elf_header.e_phnum * sizeof (Elf_Internal_Phdr));
if (program_headers == NULL)
{
return 0;
}
- for (i = 0, segment = program_headers;
- i < elf_header.e_phnum;
- i ++, segment ++)
+ if (is_32bit_elf)
+ i = get_32bit_program_headers (file, program_headers);
+ else
+ i = get_64bit_program_headers (file, program_headers);
+
+ if (i == 0)
{
- segment->p_type = BYTE_GET (phdrs[i].p_type);
- segment->p_offset = BYTE_GET (phdrs[i].p_offset);
- segment->p_vaddr = BYTE_GET (phdrs[i].p_vaddr);
- segment->p_paddr = BYTE_GET (phdrs[i].p_paddr);
- segment->p_filesz = BYTE_GET (phdrs[i].p_filesz);
- segment->p_memsz = BYTE_GET (phdrs[i].p_memsz);
- segment->p_flags = BYTE_GET (phdrs[i].p_flags);
- segment->p_align = BYTE_GET (phdrs[i].p_align);
+ free (program_headers);
+ return 0;
}
-
- free (phdrs);
-
+
if (do_segments)
{
printf
for (i = 0; i < elf_header.e_phnum; i++)
{
- int j;
- Elf32_Internal_Shdr * section;
+ int j;
+ Elf_Internal_Shdr * section;
segment = program_headers + i;
section = section_headers;
static int
-get_section_headers (file)
+get_32bit_section_headers (file)
FILE * file;
{
Elf32_External_Shdr * shdrs;
elf_header.e_shentsize * elf_header.e_shnum,
shdrs, Elf32_External_Shdr *, "section headers");
- section_headers = (Elf32_Internal_Shdr *) malloc
- (elf_header.e_shnum * sizeof (Elf32_Internal_Shdr));
+ section_headers = (Elf_Internal_Shdr *) malloc
+ (elf_header.e_shnum * sizeof (Elf_Internal_Shdr));
if (section_headers == NULL)
{
return 1;
}
+static int
+get_64bit_section_headers (file)
+ FILE * file;
+{
+ Elf64_External_Shdr * shdrs;
+ Elf64_Internal_Shdr * internal;
+ unsigned int i;
+
+ GET_DATA_ALLOC (elf_header.e_shoff,
+ elf_header.e_shentsize * elf_header.e_shnum,
+ shdrs, Elf64_External_Shdr *, "section headers");
+
+ section_headers = (Elf_Internal_Shdr *) malloc
+ (elf_header.e_shnum * sizeof (Elf_Internal_Shdr));
+
+ if (section_headers == NULL)
+ {
+ error (_("Out of memory\n"));
+ return 0;
+ }
+
+ for (i = 0, internal = section_headers;
+ i < elf_header.e_shnum;
+ i ++, internal ++)
+ {
+ internal->sh_name = BYTE_GET (shdrs[i].sh_name);
+ internal->sh_type = BYTE_GET (shdrs[i].sh_type);
+ internal->sh_flags = BYTE_GET8 (shdrs[i].sh_flags);
+ internal->sh_addr = BYTE_GET8 (shdrs[i].sh_addr);
+ internal->sh_size = BYTE_GET8 (shdrs[i].sh_size);
+ internal->sh_entsize = BYTE_GET8 (shdrs[i].sh_entsize);
+ internal->sh_link = BYTE_GET (shdrs[i].sh_link);
+ internal->sh_info = BYTE_GET (shdrs[i].sh_info);
+ internal->sh_offset = BYTE_GET (shdrs[i].sh_offset);
+ internal->sh_addralign = BYTE_GET (shdrs[i].sh_addralign);
+ }
+
+ free (shdrs);
+
+ return 1;
+}
+
static Elf_Internal_Sym *
-get_elf_symbols (file, offset, number)
+get_32bit_elf_symbols (file, offset, number)
FILE * file;
unsigned long offset;
unsigned long number;
return isyms;
}
+static Elf_Internal_Sym *
+get_64bit_elf_symbols (file, offset, number)
+ FILE * file;
+ unsigned long offset;
+ unsigned long number;
+{
+ Elf64_External_Sym * esyms;
+ Elf_Internal_Sym * isyms;
+ Elf_Internal_Sym * psym;
+ unsigned int j;
+
+ GET_DATA_ALLOC (offset, number * sizeof (Elf64_External_Sym),
+ esyms, Elf64_External_Sym *, "symbols");
+
+ isyms = (Elf_Internal_Sym *) malloc (number * sizeof (Elf_Internal_Sym));
+
+ if (isyms == NULL)
+ {
+ error (_("Out of memory\n"));
+ 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);
+ psym->st_value = BYTE_GET8 (esyms[j].st_value);
+ psym->st_size = BYTE_GET8 (esyms[j].st_size);
+ }
+
+ free (esyms);
+
+ return isyms;
+}
+
static int
process_section_headers (file)
FILE * file;
{
- Elf32_Internal_Shdr * section;
- int i;
+ Elf_Internal_Shdr * section;
+ int i;
section_headers = NULL;
}
if (do_sections && !do_header)
- printf (_("There are %d section headers, starting at offset %lx:\n"),
+ printf (_("There are %d section headers, starting at offset 0x%lx:\n"),
elf_header.e_shnum, (unsigned long) elf_header.e_shoff);
- if (! get_section_headers (file))
+ if (is_32bit_elf)
+ {
+ if (! get_32bit_section_headers (file))
+ return 0;
+ }
+ else if (! get_64bit_section_headers (file))
return 0;
/* Read in the string table, so that we have names to display. */
dynamic_symbols = NULL;
dynamic_strings = NULL;
dynamic_syminfo = NULL;
+
for (i = 0, section = section_headers;
i < elf_header.e_shnum;
i ++, section ++)
continue;
}
- dynamic_symbols = get_elf_symbols
- (file, section->sh_offset,
- section->sh_size / section->sh_entsize);
+ dynamic_symbols =
+ GET_ELF_SYMBOLS (file, section->sh_offset,
+ section->sh_size / section->sh_entsize);
}
else if (section->sh_type == SHT_STRTAB
&& strcmp (name, ".dynstr") == 0)
symsec = section_headers + section->sh_link;
- symtab = get_elf_symbols (file, symsec->sh_offset,
- symsec->sh_size / symsec->sh_entsize);
+ symtab =
+ GET_ELF_SYMBOLS (file, symsec->sh_offset,
+ symsec->sh_size / symsec->sh_entsize);
if (symtab == NULL)
continue;
}
}
-/* Parse the dynamic segment */
static int
-process_dynamic_segment (file)
+get_32bit_dynamic_segment (file)
FILE * file;
{
- Elf_Internal_Dyn * entry;
- Elf32_External_Dyn * edyn;
- unsigned int i;
+ 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. */
+ dynamic_size = 0;
+ while (*(Elf32_Word *) edyn [dynamic_size++].d_tag != DT_NULL)
+ ;
- if (dynamic_size == 0)
+ dynamic_segment = (Elf_Internal_Dyn *)
+ malloc (dynamic_size * sizeof (Elf_Internal_Dyn));
+
+ if (dynamic_segment == NULL)
{
- if (do_dynamic)
- printf (_("\nThere is no dynamic segment in this file.\n"));
+ error (_("Out of memory\n"));
+ free (edyn);
+ return 0;
+ }
- return 1;
+ for (i = 0, entry = dynamic_segment;
+ i < dynamic_size;
+ i ++, entry ++)
+ {
+ entry->d_tag = BYTE_GET (edyn [i].d_tag);
+ entry->d_un.d_val = BYTE_GET (edyn [i].d_un.d_val);
}
+ free (edyn);
+
+ return 1;
+}
+
+static int
+get_64bit_dynamic_segment (file)
+ FILE * file;
+{
+ Elf64_External_Dyn * edyn;
+ Elf_Internal_Dyn * entry;
+ bfd_size_type i;
+
GET_DATA_ALLOC (dynamic_addr, dynamic_size,
- edyn, Elf32_External_Dyn *, "dynamic segment");
+ edyn, Elf64_External_Dyn *, "dynamic segment");
/* SGI's ELF has more than one section in the DYNAMIC segment. Determine
- how large .dynamic is now. We can do this even before the byte
+ how large this .dynamic is now. We can do this even before the byte
swapping since the DT_NULL tag is recognizable. */
dynamic_size = 0;
- while (*(Elf32_Word *) edyn[dynamic_size++].d_tag != DT_NULL)
+ while (*(bfd_vma *) edyn [dynamic_size ++].d_tag != DT_NULL)
;
dynamic_segment = (Elf_Internal_Dyn *)
i < dynamic_size;
i ++, entry ++)
{
- entry->d_tag = BYTE_GET (edyn [i].d_tag);
- entry->d_un.d_val = BYTE_GET (edyn [i].d_un.d_val);
+ entry->d_tag = BYTE_GET8 (edyn [i].d_tag);
+ entry->d_un.d_val = BYTE_GET8 (edyn [i].d_un.d_val);
}
free (edyn);
+ return 1;
+}
+
+/* Parse and display the contents of the dynamic segment. */
+static int
+process_dynamic_segment (file)
+ FILE * file;
+{
+ Elf_Internal_Dyn * entry;
+ bfd_size_type i;
+
+ if (dynamic_size == 0)
+ {
+ if (do_dynamic)
+ printf (_("\nThere is no dynamic segment in this file.\n"));
+
+ return 1;
+ }
+
+ if (is_32bit_elf)
+ {
+ if (! get_32bit_dynamic_segment (file))
+ return 0;
+ }
+ else if (! get_64bit_dynamic_segment (file))
+ return 0;
+
/* Find the appropriate symbol table. */
if (dynamic_symbols == NULL)
{
we default to reading in the entire file (!) and
processing that. This is overkill, I know, but it
should work. */
-
offset = entry->d_un.d_val - loadaddr;
if (fseek (file, 0, SEEK_END))
error (_("Unable to seek to end of file!"));
- num_syms = (ftell (file) - offset) / sizeof (Elf32_External_Sym);
+ if (is_32bit_elf)
+ num_syms = (ftell (file) - offset) / sizeof (Elf32_External_Sym);
+ else
+ num_syms = (ftell (file) - offset) / sizeof (Elf64_External_Sym);
if (num_syms < 1)
{
continue;
}
- dynamic_symbols = get_elf_symbols (file, offset, num_syms);
+ dynamic_symbols = GET_ELF_SYMBOLS (file, offset, num_syms);
}
}
if (dynamic_syminfo_offset != 0 && syminsz != 0)
{
- Elf_External_Syminfo *extsyminfo;
- Elf_Internal_Syminfo *syminfo;
+ Elf_External_Syminfo * extsyminfo;
+ Elf_Internal_Syminfo * syminfo;
/* There is a syminfo section. Read the data. */
GET_DATA_ALLOC (dynamic_syminfo_offset, syminsz, extsyminfo,
found = 1;
- symbols = get_elf_symbols
- (file, link_section->sh_offset,
- link_section->sh_size / link_section->sh_entsize);
+ symbols = GET_ELF_SYMBOLS (file, link_section->sh_offset,
+ link_section->sh_size / link_section->sh_entsize);
string_sec = section_headers + link_section->sh_link;
fputs (_(" Num: Value Size Type Bind Ot Ndx Name\n"),
stdout);
- symtab = get_elf_symbols (file, section->sh_offset,
+ symtab = GET_ELF_SYMBOLS (file, section->sh_offset,
section->sh_size / section->sh_entsize);
if (symtab == NULL)
continue;
Elf32_Internal_Shdr * section;
FILE * file;
{
- int bytes;
- int addr;
+ bfd_size_type bytes;
+ bfd_vma addr;
unsigned char * data;
unsigned char * start;
switch (elf_header.e_ident [EI_DATA])
{
+ default:
case ELFDATA2LSB:
for (j = 15; j >= 0; j --)
{
static int
process_mips_specific (file)
- FILE *file;
+ FILE * file;
{
- Elf_Internal_Dyn *entry;
+ Elf_Internal_Dyn * entry;
size_t liblist_offset = 0;
size_t liblistno = 0;
size_t conflictsno = 0;
if (liblist_offset != 0 && liblistno != 0 && do_dynamic)
{
- Elf32_External_Lib *elib;
+ Elf32_External_Lib * elib;
size_t cnt;
GET_DATA_ALLOC (liblist_offset, liblistno * sizeof (Elf32_External_Lib),
if (options_offset != 0)
{
- Elf_External_Options *eopt;
- Elf_Internal_Shdr *sect = section_headers;
- Elf_Internal_Options *iopt;
- Elf_Internal_Options *option;
+ Elf_External_Options * eopt;
+ Elf_Internal_Shdr * sect = section_headers;
+ Elf_Internal_Options * iopt;
+ Elf_Internal_Options * option;
size_t offset;
int cnt;
option = iopt;
while (offset < sect->sh_size)
{
- Elf_External_Options *eoption;
+ Elf_External_Options * eoption;
eoption = (Elf_External_Options *) ((char *) eopt + offset);
else
{
/* 64 bit form. */
- Elf64_External_RegInfo *ereg;
+ Elf64_External_RegInfo * ereg;
Elf64_Internal_RegInfo reginfo;
ereg = (Elf64_External_RegInfo *) (option + 1);
- reginfo.ri_gprmask = BYTE_GET (ereg->ri_gprmask);
+ 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);
+ reginfo.ri_gp_value = BYTE_GET8 (ereg->ri_gp_value);
printf ("GPR %08lx GP 0x",
reginfo.ri_gprmask);
if (conflicts_offset != 0 && conflictsno != 0)
{
- Elf32_External_Conflict *econf32;
- Elf64_External_Conflict *econf64;
- Elf32_Conflict *iconf;
+ Elf32_External_Conflict * econf32;
+ Elf64_External_Conflict * econf64;
+ Elf32_Conflict * iconf;
size_t cnt;
if (dynamic_symbols == NULL)
return 0;
}
- if (binary_class == ELFCLASS32)
+ if (is_32bit_elf)
{
GET_DATA_ALLOC (conflicts_offset, conflictsno * sizeof (*econf32),
econf32, Elf32_External_Conflict *, "conflict");
static int
process_arch_specific (file)
- FILE *file;
+ FILE * file;
{
switch (elf_header.e_machine)
{
get_file_header (file)
FILE * file;
{
- Elf32_External_Ehdr ehdr;
-
- if (fread (& ehdr, sizeof (ehdr), 1, file) != 1)
+ /* Read in the identity array. */
+ if (fread (elf_header.e_ident, EI_NIDENT, 1, file) != 1)
return 0;
- memcpy (elf_header.e_ident, ehdr.e_ident, EI_NIDENT);
+ /* Determine how to read the rest of the header. */
+ switch (elf_header.e_ident [EI_DATA])
+ {
+ default: /* fall through */
+ case ELFDATANONE: /* fall through */
+ case ELFDATA2LSB: byte_get = byte_get_little_endian; break;
+ case ELFDATA2MSB: byte_get = byte_get_big_endian; break;
+ }
+
+ /* For now we only support 32 bit and 64 bit ELF files. */
+ is_32bit_elf = (elf_header.e_ident [EI_CLASS] != ELFCLASS64);
+
+ /* Read in the rest of the header. */
+ if (is_32bit_elf)
+ {
+ Elf32_External_Ehdr ehdr32;
- if (elf_header.e_ident [EI_DATA] == ELFDATA2LSB)
- byte_get = byte_get_little_endian;
+ 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
- byte_get = byte_get_big_endian;
-
- elf_header.e_entry = BYTE_GET (ehdr.e_entry);
- elf_header.e_phoff = BYTE_GET (ehdr.e_phoff);
- elf_header.e_shoff = BYTE_GET (ehdr.e_shoff);
- elf_header.e_version = BYTE_GET (ehdr.e_version);
- elf_header.e_flags = BYTE_GET (ehdr.e_flags);
- elf_header.e_type = BYTE_GET (ehdr.e_type);
- elf_header.e_machine = BYTE_GET (ehdr.e_machine);
- elf_header.e_ehsize = BYTE_GET (ehdr.e_ehsize);
- elf_header.e_phentsize = BYTE_GET (ehdr.e_phentsize);
- elf_header.e_phnum = BYTE_GET (ehdr.e_phnum);
- elf_header.e_shentsize = BYTE_GET (ehdr.e_shentsize);
- elf_header.e_shnum = BYTE_GET (ehdr.e_shnum);
- elf_header.e_shstrndx = BYTE_GET (ehdr.e_shstrndx);
+ {
+ Elf64_External_Ehdr ehdr64;
+
+ if (fread (ehdr64.e_type, sizeof (ehdr64) - EI_NIDENT, 1, file) != 1)
+ return 0;
+
+ elf_header.e_type = BYTE_GET (ehdr64.e_type);
+ elf_header.e_machine = BYTE_GET (ehdr64.e_machine);
+ elf_header.e_version = BYTE_GET (ehdr64.e_version);
+ elf_header.e_entry = BYTE_GET8 (ehdr64.e_entry);
+ elf_header.e_phoff = BYTE_GET8 (ehdr64.e_phoff);
+ elf_header.e_shoff = BYTE_GET8 (ehdr64.e_shoff);
+ elf_header.e_flags = BYTE_GET (ehdr64.e_flags);
+ elf_header.e_ehsize = BYTE_GET (ehdr64.e_ehsize);
+ elf_header.e_phentsize = BYTE_GET (ehdr64.e_phentsize);
+ elf_header.e_phnum = BYTE_GET (ehdr64.e_phnum);
+ elf_header.e_shentsize = BYTE_GET (ehdr64.e_shentsize);
+ elf_header.e_shnum = BYTE_GET (ehdr64.e_shnum);
+ elf_header.e_shstrndx = BYTE_GET (ehdr64.e_shstrndx);
+ }
return 1;
}
#ifdef SUPPORT_DISASSEMBLY
/* Needed by the i386 disassembler. For extra credit, someone could
-fix this so that we insert symbolic addresses here, esp for GOT/PLT
-symbols */
+ fix this so that we insert symbolic addresses here, esp for GOT/PLT
+ symbols */
void
print_address (unsigned int addr, FILE * outfile)
projects / binutils-gdb.git / commitdiff