| /* readelf.c -- display contents of an ELF format file |
| Copyright (C) 1998, 1999 Free Software Foundation, Inc. |
| |
| Originally developed by Eric Youngdale <eric@andante.jic.com> |
| Modifications by Nick Clifton <nickc@cygnus.com> |
| |
| This file is part of GNU Binutils. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
| 02111-1307, USA. */ |
| |
| |
| #include <assert.h> |
| #include <sys/stat.h> |
| #include <stdio.h> |
| #include <time.h> |
| |
| /* 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. */ |
| #define BFD64 |
| #include "bfd.h" |
| |
| #include "elf/common.h" |
| #include "elf/external.h" |
| #include "elf/internal.h" |
| #include "elf/dwarf2.h" |
| |
| /* The following headers use the elf/reloc-macros.h file to |
| automatically generate relocation recognition functions |
| such as elf_mips_reloc_type() */ |
| |
| #define RELOC_MACROS_GEN_FUNC |
| |
| #include "elf/i386.h" |
| #include "elf/v850.h" |
| #include "elf/ppc.h" |
| #include "elf/mips.h" |
| #include "elf/alpha.h" |
| #include "elf/arm.h" |
| #include "elf/m68k.h" |
| #include "elf/sparc.h" |
| #include "elf/m32r.h" |
| #include "elf/d10v.h" |
| #include "elf/d30v.h" |
| #include "elf/sh.h" |
| #include "elf/mn10200.h" |
| #include "elf/mn10300.h" |
| #include "elf/hppa.h" |
| #include "elf/arc.h" |
| #include "elf/fr30.h" |
| #include "elf/mcore.h" |
| #include "elf/i960.h" |
| |
| #include "bucomm.h" |
| #include "getopt.h" |
| |
| #ifdef ANSI_PROTOTYPES |
| #include <stdarg.h> |
| #else |
| #include <varargs.h> |
| #endif |
| |
| char * program_name = "readelf"; |
| unsigned int dynamic_addr; |
| bfd_size_type dynamic_size; |
| unsigned int rela_addr; |
| unsigned int rela_size; |
| char * dynamic_strings; |
| char * string_table; |
| unsigned long num_dynamic_syms; |
| Elf_Internal_Sym * dynamic_symbols; |
| Elf_Internal_Syminfo * dynamic_syminfo; |
| unsigned long dynamic_syminfo_offset; |
| unsigned int dynamic_syminfo_nent; |
| char program_interpreter [64]; |
| int dynamic_info[DT_JMPREL + 1]; |
| int version_info[16]; |
| int loadaddr = 0; |
| Elf_Internal_Ehdr elf_header; |
| Elf_Internal_Shdr * section_headers; |
| Elf_Internal_Dyn * dynamic_segment; |
| int show_name; |
| int do_dynamic; |
| int do_syms; |
| int do_reloc; |
| int do_sections; |
| int do_segments; |
| int do_using_dynamic; |
| int do_header; |
| int do_dump; |
| int do_version; |
| int do_histogram; |
| int do_debugging; |
| int do_debug_info; |
| int do_debug_abbrevs; |
| int do_debug_lines; |
| int do_debug_pubnames; |
| int do_debug_aranges; |
| int is_32bit_elf; |
| |
| /* A dynamic array of flags indicating which sections require dumping. */ |
| char * dump_sects = NULL; |
| unsigned int num_dump_sects = 0; |
| |
| #define HEX_DUMP (1 << 0) |
| #define DISASS_DUMP (1 << 1) |
| #define DEBUG_DUMP (1 << 2) |
| |
| /* Forward declarations for dumb compilers. */ |
| 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 *, 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_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, 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 *)); |
| 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 *)); |
| static int process_relocs PARAMS ((FILE *)); |
| static int process_version_sections PARAMS ((FILE *)); |
| 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 |
| static int dump_section PARAMS ((Elf32_Internal_Shdr *, FILE *)); |
| static int display_debug_section PARAMS ((Elf32_Internal_Shdr *, FILE *)); |
| static int display_debug_info PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *)); |
| static int display_debug_not_supported PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *)); |
| static int display_debug_lines PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *)); |
| static int display_debug_abbrev PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *)); |
| static int display_debug_aranges PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *)); |
| static 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 void reset_state_machine PARAMS ((int)); |
| static char * get_TAG_name PARAMS ((unsigned long)); |
| static char * get_AT_name PARAMS ((unsigned long)); |
| static char * get_FORM_name PARAMS ((unsigned long)); |
| static void free_abbrevs PARAMS ((void)); |
| static void add_abbrev PARAMS ((unsigned long, unsigned long, int)); |
| static void add_abbrev_attr PARAMS ((unsigned long, unsigned long)); |
| static unsigned char * read_and_display_attr PARAMS ((unsigned long, unsigned long, unsigned char *, unsigned long)); |
| static unsigned char * display_block PARAMS ((unsigned char *, unsigned long)); |
| static void decode_location_expression PARAMS ((unsigned char *, unsigned int)); |
| static void request_dump PARAMS ((unsigned int, char)); |
| static const char * get_elf_class PARAMS ((unsigned char)); |
| 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)); |
| |
| typedef int Elf32_Word; |
| |
| #ifndef TRUE |
| #define TRUE 1 |
| #define FALSE 0 |
| #endif |
| #define UNKNOWN -1 |
| |
| #define SECTION_NAME(X) (string_table + (X)->sh_name) |
| |
| #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])) |
| |
| #define GET_DATA_ALLOC(offset, size, var, type, reason) \ |
| if (fseek (file, offset, SEEK_SET)) \ |
| { \ |
| error (_("Unable to seek to start of %s at %x\n"), reason, offset); \ |
| return 0; \ |
| } \ |
| \ |
| var = (type) malloc (size); \ |
| \ |
| if (var == NULL) \ |
| { \ |
| error (_("Out of memory allocating %d bytes for %s\n"), size, reason); \ |
| return 0; \ |
| } \ |
| \ |
| if (fread (var, size, 1, file) != 1) \ |
| { \ |
| error (_("Unable to read in %d bytes of %s\n"), size, reason); \ |
| free (var); \ |
| var = NULL; \ |
| return 0; \ |
| } |
| |
| |
| #define GET_DATA(offset, var, reason) \ |
| if (fseek (file, offset, SEEK_SET)) \ |
| { \ |
| error (_("Unable to seek to %x for %s\n"), offset, reason); \ |
| return 0; \ |
| } \ |
| else if (fread (& var, sizeof (var), 1, file) != 1) \ |
| { \ |
| error (_("Unable to read data at %x for %s\n"), offset, reason); \ |
| 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, ...) |
| { |
| va_list args; |
| |
| fprintf (stderr, _("%s: Error: "), program_name); |
| va_start (args, message); |
| vfprintf (stderr, message, args); |
| va_end (args); |
| return; |
| } |
| |
| static void |
| warn (const char * message, ...) |
| { |
| va_list args; |
| |
| fprintf (stderr, _("%s: Warning: "), program_name); |
| va_start (args, message); |
| vfprintf (stderr, message, args); |
| va_end (args); |
| return; |
| } |
| #else |
| static void |
| error (va_alist) |
| va_dcl |
| { |
| char * message; |
| va_list args; |
| |
| fprintf (stderr, _("%s: Error: "), program_name); |
| va_start (args); |
| message = va_arg (args, char *); |
| vfprintf (stderr, message, args); |
| va_end (args); |
| return; |
| } |
| |
| static void |
| warn (va_alist) |
| va_dcl |
| { |
| char * message; |
| va_list args; |
| |
| fprintf (stderr, _("%s: Warning: "), program_name); |
| va_start (args); |
| message = va_arg (args, char *); |
| vfprintf (stderr, message, args); |
| va_end (args); |
| return; |
| } |
| #endif |
| |
| static bfd_vma |
| byte_get_little_endian (field, size) |
| unsigned char * field; |
| int size; |
| { |
| switch (size) |
| { |
| case 1: |
| return * field; |
| |
| case 2: |
| return ((unsigned int) (field [0])) |
| | (((unsigned int) (field [1])) << 8); |
| |
| 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 (); |
| } |
| } |
| |
| static bfd_vma |
| byte_get_big_endian (field, size) |
| unsigned char * field; |
| int size; |
| { |
| switch (size) |
| { |
| case 1: |
| return * field; |
| |
| case 2: |
| return ((unsigned int) (field [1])) | (((int) (field [0])) << 8); |
| |
| case 4: |
| return ((unsigned long) (field [3])) |
| | (((unsigned long) (field [2])) << 8) |
| | (((unsigned long) (field [1])) << 16) |
| | (((unsigned long) (field [0])) << 24); |
| |
| 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 (); |
| } |
| } |
| |
| |
| /* Guess the relocation sized based on the sized commonly used by the specific machine. */ |
| static int |
| guess_is_rela (e_machine) |
| unsigned long e_machine; |
| { |
| switch (e_machine) |
| { |
| /* Targets that use REL relocations. */ |
| case EM_ARM: |
| case EM_386: |
| case EM_486: |
| case EM_960: |
| case EM_CYGNUS_M32R: |
| case EM_CYGNUS_D10V: |
| case EM_MIPS: |
| case EM_MIPS_RS4_BE: |
| return FALSE; |
| |
| /* Targets that use RELA relocations. */ |
| case EM_68K: |
| case EM_SPARC: |
| case EM_PPC: |
| case EM_CYGNUS_V850: |
| case EM_CYGNUS_D30V: |
| case EM_CYGNUS_MN10200: |
| case EM_CYGNUS_MN10300: |
| case EM_CYGNUS_FR30: |
| case EM_SH: |
| case EM_ALPHA: |
| case EM_MCORE: |
| return TRUE; |
| |
| default: |
| warn (_("Don't know about relocations on this machine architecture\n")); |
| return FALSE; |
| } |
| } |
| |
| /* Display the contents of the relocation data found at the specified offset. */ |
| static int |
| dump_relocations (file, rel_offset, rel_size, symtab, nsyms, strtab, is_rela) |
| FILE * file; |
| unsigned long rel_offset; |
| unsigned long rel_size; |
| Elf_Internal_Sym * symtab; |
| unsigned long nsyms; |
| char * strtab; |
| int is_rela; |
| { |
| unsigned int i; |
| Elf_Internal_Rel * rels; |
| Elf_Internal_Rela * relas; |
| |
| |
| if (is_rela == UNKNOWN) |
| is_rela = guess_is_rela (elf_header.e_machine); |
| |
| if (is_rela) |
| { |
| if (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; |
| } |
| } |
| else |
| { |
| if (is_32bit_elf) |
| { |
| 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; |
| } |
| else |
| { |
| 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; |
| } |
| } |
| |
| if (is_rela) |
| printf |
| (_(" Offset Info Type Symbol's Value Symbol's Name Addend\n")); |
| else |
| printf |
| (_(" Offset Info Type Symbol's Value Symbol's Name\n")); |
| |
| for (i = 0; i < rel_size; i++) |
| { |
| const char * rtype; |
| bfd_vma offset; |
| bfd_vma info; |
| bfd_vma symtab_index; |
| bfd_vma type; |
| |
| if (is_rela) |
| { |
| offset = relas [i].r_offset; |
| info = relas [i].r_info; |
| } |
| else |
| { |
| offset = rels [i].r_offset; |
| info = rels [i].r_info; |
| } |
| |
| if (is_32bit_elf) |
| { |
| type = ELF32_R_TYPE (info); |
| symtab_index = ELF32_R_SYM (info); |
| } |
| else |
| { |
| 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: |
| rtype = NULL; |
| break; |
| |
| case EM_CYGNUS_M32R: |
| rtype = elf_m32r_reloc_type (type); |
| break; |
| |
| case EM_386: |
| case EM_486: |
| rtype = elf_i386_reloc_type (type); |
| break; |
| |
| case EM_68K: |
| rtype = elf_m68k_reloc_type (type); |
| break; |
| |
| case EM_960: |
| rtype = elf_i960_reloc_type (type); |
| break; |
| |
| case EM_OLD_SPARCV9: |
| case EM_SPARC32PLUS: |
| case EM_SPARCV9: |
| case EM_SPARC: |
| rtype = elf_sparc_reloc_type (type); |
| break; |
| |
| case EM_CYGNUS_V850: |
| rtype = v850_reloc_type (type); |
| break; |
| |
| case EM_CYGNUS_D10V: |
| rtype = elf_d10v_reloc_type (type); |
| break; |
| |
| case EM_CYGNUS_D30V: |
| rtype = elf_d30v_reloc_type (type); |
| break; |
| |
| case EM_SH: |
| rtype = elf_sh_reloc_type (type); |
| break; |
| |
| case EM_CYGNUS_MN10300: |
| rtype = elf_mn10300_reloc_type (type); |
| break; |
| |
| case EM_CYGNUS_MN10200: |
| rtype = elf_mn10200_reloc_type (type); |
| break; |
| |
| case EM_CYGNUS_FR30: |
| rtype = elf_fr30_reloc_type (type); |
| break; |
| |
| case EM_MCORE: |
| rtype = elf_mcore_reloc_type (type); |
| break; |
| |
| case EM_PPC: |
| rtype = elf_ppc_reloc_type (type); |
| break; |
| |
| case EM_MIPS: |
| case EM_MIPS_RS4_BE: |
| rtype = elf_mips_reloc_type (type); |
| break; |
| |
| case EM_ALPHA: |
| rtype = elf_alpha_reloc_type (type); |
| break; |
| |
| case EM_ARM: |
| rtype = elf_arm_reloc_type (type); |
| break; |
| |
| case EM_CYGNUS_ARC: |
| rtype = elf_arc_reloc_type (type); |
| break; |
| |
| case EM_PARISC: |
| rtype = elf_hppa_reloc_type (type); |
| break; |
| } |
| |
| if (rtype == NULL) |
| #ifdef _bfd_int64_low |
| printf (_("unrecognised: %-7lx"), _bfd_int64_low (type)); |
| #else |
| printf (_("unrecognised: %-7lx"), type); |
| #endif |
| else |
| printf ("%-21.21s", rtype); |
| |
| if (symtab_index) |
| { |
| if (symtab != NULL) |
| { |
| if (symtab_index >= nsyms) |
| printf (" bad symbol index: %08lx", (unsigned long) symtab_index); |
| else |
| { |
| 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)); |
| else if (strtab == NULL) |
| 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); |
| |
| putchar ('\n'); |
| } |
| |
| free (relas); |
| |
| return 1; |
| } |
| |
| static const char * |
| get_mips_dynamic_type (type) |
| unsigned long type; |
| { |
| switch (type) |
| { |
| case DT_MIPS_RLD_VERSION: return "MIPS_RLD_VERSION"; |
| case DT_MIPS_TIME_STAMP: return "MIPS_TIME_STAMP"; |
| case DT_MIPS_ICHECKSUM: return "MIPS_ICHECKSUM"; |
| case DT_MIPS_IVERSION: return "MIPS_IVERSION"; |
| case DT_MIPS_FLAGS: return "MIPS_FLAGS"; |
| case DT_MIPS_BASE_ADDRESS: return "MIPS_BASE_ADDRESS"; |
| case DT_MIPS_MSYM: return "MIPS_MSYM"; |
| case DT_MIPS_CONFLICT: return "MIPS_CONFLICT"; |
| case DT_MIPS_LIBLIST: return "MIPS_LIBLIST"; |
| case DT_MIPS_LOCAL_GOTNO: return "MIPS_LOCAL_GOTNO"; |
| case DT_MIPS_CONFLICTNO: return "MIPS_CONFLICTNO"; |
| case DT_MIPS_LIBLISTNO: return "MIPS_LIBLISTNO"; |
| case DT_MIPS_SYMTABNO: return "MIPS_SYMTABNO"; |
| case DT_MIPS_UNREFEXTNO: return "MIPS_UNREFEXTNO"; |
| case DT_MIPS_GOTSYM: return "MIPS_GOTSYM"; |
| case DT_MIPS_HIPAGENO: return "MIPS_HIPAGENO"; |
| case DT_MIPS_RLD_MAP: return "MIPS_RLD_MAP"; |
| case DT_MIPS_DELTA_CLASS: return "MIPS_DELTA_CLASS"; |
| case DT_MIPS_DELTA_CLASS_NO: return "MIPS_DELTA_CLASS_NO"; |
| case DT_MIPS_DELTA_INSTANCE: return "MIPS_DELTA_INSTANCE"; |
| case DT_MIPS_DELTA_INSTANCE_NO: return "MIPS_DELTA_INSTANCE_NO"; |
| case DT_MIPS_DELTA_RELOC: return "MIPS_DELTA_RELOC"; |
| case DT_MIPS_DELTA_RELOC_NO: return "MIPS_DELTA_RELOC_NO"; |
| case DT_MIPS_DELTA_SYM: return "MIPS_DELTA_SYM"; |
| case DT_MIPS_DELTA_SYM_NO: return "MIPS_DELTA_SYM_NO"; |
| case DT_MIPS_DELTA_CLASSSYM: return "MIPS_DELTA_CLASSSYM"; |
| case DT_MIPS_DELTA_CLASSSYM_NO: return "MIPS_DELTA_CLASSSYM_NO"; |
| case DT_MIPS_CXX_FLAGS: return "MIPS_CXX_FLAGS"; |
| case DT_MIPS_PIXIE_INIT: return "MIPS_PIXIE_INIT"; |
| case DT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB"; |
| case DT_MIPS_LOCALPAGE_GOTIDX: return "MIPS_LOCALPAGE_GOTIDX"; |
| case DT_MIPS_LOCAL_GOTIDX: return "MIPS_LOCAL_GOTIDX"; |
| case DT_MIPS_HIDDEN_GOTIDX: return "MIPS_HIDDEN_GOTIDX"; |
| case DT_MIPS_PROTECTED_GOTIDX: return "MIPS_PROTECTED_GOTIDX"; |
| case DT_MIPS_OPTIONS: return "MIPS_OPTIONS"; |
| case DT_MIPS_INTERFACE: return "MIPS_INTERFACE"; |
| case DT_MIPS_DYNSTR_ALIGN: return "MIPS_DYNSTR_ALIGN"; |
| case DT_MIPS_INTERFACE_SIZE: return "MIPS_INTERFACE_SIZE"; |
| case DT_MIPS_RLD_TEXT_RESOLVE_ADDR: return "MIPS_RLD_TEXT_RESOLVE_ADDR"; |
| case DT_MIPS_PERF_SUFFIX: return "MIPS_PERF_SUFFIX"; |
| case DT_MIPS_COMPACT_SIZE: return "MIPS_COMPACT_SIZE"; |
| case DT_MIPS_GP_VALUE: return "MIPS_GP_VALUE"; |
| case DT_MIPS_AUX_DYNAMIC: return "MIPS_AUX_DYNAMIC"; |
| default: |
| return NULL; |
| } |
| } |
| |
| static const char * |
| get_dynamic_type (type) |
| unsigned long type; |
| { |
| static char buff [32]; |
| |
| switch (type) |
| { |
| case DT_NULL: return "NULL"; |
| case DT_NEEDED: return "NEEDED"; |
| case DT_PLTRELSZ: return "PLTRELSZ"; |
| case DT_PLTGOT: return "PLTGOT"; |
| case DT_HASH: return "HASH"; |
| case DT_STRTAB: return "STRTAB"; |
| case DT_SYMTAB: return "SYMTAB"; |
| case DT_RELA: return "RELA"; |
| case DT_RELASZ: return "RELASZ"; |
| case DT_RELAENT: return "RELAENT"; |
| case DT_STRSZ: return "STRSZ"; |
| case DT_SYMENT: return "SYMENT"; |
| case DT_INIT: return "INIT"; |
| case DT_FINI: return "FINI"; |
| case DT_SONAME: return "SONAME"; |
| case DT_RPATH: return "RPATH"; |
| case DT_SYMBOLIC: return "SYMBOLIC"; |
| case DT_REL: return "REL"; |
| case DT_RELSZ: return "RELSZ"; |
| case DT_RELENT: return "RELENT"; |
| case DT_PLTREL: return "PLTREL"; |
| case DT_DEBUG: return "DEBUG"; |
| case DT_TEXTREL: return "TEXTREL"; |
| case DT_JMPREL: return "JMPREL"; |
| case DT_BIND_NOW: return "BIND_NOW"; |
| case DT_INIT_ARRAY: return "INIT_ARRAY"; |
| case DT_FINI_ARRAY: return "FINI_ARRAY"; |
| case DT_INIT_ARRAYSZ: return "INIT_ARRAYSZ"; |
| case DT_FINI_ARRAYSZ: return "FINI_ARRAYSZ"; |
| |
| case DT_PLTPADSZ: return "PLTPADSZ"; |
| case DT_MOVEENT: return "MOVEENT"; |
| case DT_MOVESZ: return "MOVESZ"; |
| case DT_FEATURE_1: return "FEATURE_1"; |
| 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_VERDEF: return "VERDEF"; |
| 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; |
| default: |
| result = NULL; |
| break; |
| } |
| |
| if (result != NULL) |
| return result; |
| |
| sprintf (buff, _("Processor Specific: %lx"), type); |
| } |
| else if ((type >= DT_LOOS) && (type <= DT_HIOS)) |
| sprintf (buff, _("Operating System specific: %lx"), type); |
| else |
| sprintf (buff, _("<unknown>: %lx"), type); |
| |
| return buff; |
| } |
| } |
| |
| static char * |
| get_file_type (e_type) |
| unsigned e_type; |
| { |
| static char buff [32]; |
| |
| switch (e_type) |
| { |
| case ET_NONE: return _("NONE (None)"); |
| case ET_REL: return _("REL (Relocatable file)"); |
| case ET_EXEC: return _("EXEC (Executable file)"); |
| case ET_DYN: return _("DYN (Shared object file)"); |
| case ET_CORE: return _("CORE (Core file)"); |
| |
| default: |
| if ((e_type >= ET_LOPROC) && (e_type <= ET_HIPROC)) |
| sprintf (buff, _("Processor Specific: (%x)"), e_type); |
| else if ((e_type >= ET_LOOS) && (e_type <= ET_HIOS)) |
| sprintf (buff, _("OS Specific: (%x)"), e_type); |
| else |
| sprintf (buff, _("<unknown>: %x"), e_type); |
| return buff; |
| } |
| } |
| |
| static char * |
| get_machine_name (e_machine) |
| unsigned e_machine; |
| { |
| static char buff [32]; |
| |
| 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 big-endian"; |
| case EM_S370: return "Amdahl"; |
| case EM_MIPS_RS4_BE: 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_V800: return "NEC V800"; |
| case EM_FR20: return "Fujitsu FR20"; |
| case EM_RH32: return "TRW RH32"; |
| case EM_MCORE: return "MCORE"; |
| case EM_ARM: return "ARM"; |
| case EM_OLD_ALPHA: return "Digital Alpha (old)"; |
| case EM_SH: return "Hitachi SH"; |
| case EM_SPARCV9: return "Sparc v9"; |
| case EM_TRICORE: return "Siemens Tricore"; |
| case EM_ARC: return "Argonaut RISC Core"; |
| case EM_H8_300: return "Hitachi H8/300"; |
| case EM_H8_300H: return "Hitachi H8/300H"; |
| case EM_H8S: return "Hitachi H8S"; |
| case EM_H8_500: return "Hitachi H8/500"; |
| case EM_IA_64: return "Intel Merced"; |
| 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: return "d10v"; |
| case EM_CYGNUS_D30V: return "d30v"; |
| case EM_CYGNUS_ARC: return "Arc"; |
| case EM_CYGNUS_M32R: return "Mitsubishi M32r"; |
| case EM_CYGNUS_V850: return "NEC v850"; |
| case EM_CYGNUS_MN10300: return "mn10300"; |
| case EM_CYGNUS_MN10200: return "mn10200"; |
| case EM_CYGNUS_FR30: return "Fujitsu FR30"; |
| |
| default: |
| sprintf (buff, _("<unknown>: %x"), e_machine); |
| return buff; |
| } |
| } |
| |
| static char * |
| get_machine_flags (e_flags, e_machine) |
| unsigned e_flags; |
| unsigned e_machine; |
| { |
| static char buf [1024]; |
| |
| buf[0] = '\0'; |
| if (e_flags) |
| { |
| switch (e_machine) |
| { |
| default: |
| break; |
| |
| case EM_68K: |
| if (e_flags & EF_CPU32) |
| strcat (buf, ", cpu32"); |
| break; |
| |
| case EM_PPC: |
| if (e_flags & EF_PPC_EMB) |
| strcat (buf, ", emb"); |
| |
| if (e_flags & EF_PPC_RELOCATABLE) |
| strcat (buf, ", relocatable"); |
| |
| if (e_flags & EF_PPC_RELOCATABLE_LIB) |
| strcat (buf, ", relocatable-lib"); |
| break; |
| |
| case EM_CYGNUS_V850: |
| switch (e_flags & EF_V850_ARCH) |
| { |
| case E_V850E_ARCH: |
| strcat (buf, ", v850e"); |
| break; |
| case E_V850EA_ARCH: |
| strcat (buf, ", v850ea"); |
| break; |
| case E_V850_ARCH: |
| strcat (buf, ", v850"); |
| break; |
| default: |
| strcat (buf, ", unknown v850 architecture variant"); |
| break; |
| } |
| break; |
| |
| case EM_CYGNUS_M32R: |
| if ((e_flags & EF_M32R_ARCH) == E_M32R_ARCH) |
| strcat (buf, ", m32r"); |
| |
| break; |
| |
| case EM_MIPS: |
| case EM_MIPS_RS4_BE: |
| 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_ABI2) |
| strcat (buf, ", abi2"); |
| |
| if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_1) |
| strcat (buf, ", mips1"); |
| |
| if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_2) |
| strcat (buf, ", mips2"); |
| |
| if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_3) |
| strcat (buf, ", mips3"); |
| |
| if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_4) |
| strcat (buf, ", mips4"); |
| break; |
| } |
| } |
| |
| return buf; |
| } |
| |
| static const char * |
| get_mips_segment_type (type) |
| unsigned long type; |
| { |
| switch (type) |
| { |
| case PT_MIPS_REGINFO: |
| return "REGINFO"; |
| case PT_MIPS_RTPROC: |
| return "RTPROC"; |
| case PT_MIPS_OPTIONS: |
| return "OPTIONS"; |
| default: |
| break; |
| } |
| |
| return NULL; |
| } |
| |
| static const char * |
| get_segment_type (p_type) |
| unsigned long p_type; |
| { |
| static char buff [32]; |
| |
| switch (p_type) |
| { |
| case PT_NULL: return "NULL"; |
| case PT_LOAD: return "LOAD"; |
| case PT_DYNAMIC: return "DYNAMIC"; |
| case PT_INTERP: return "INTERP"; |
| case PT_NOTE: return "NOTE"; |
| case PT_SHLIB: return "SHLIB"; |
| case PT_PHDR: return "PHDR"; |
| |
| default: |
| 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; |
| 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); |
| else |
| sprintf (buff, _("<unknown>: %lx"), p_type); |
| |
| return buff; |
| } |
| } |
| |
| static const char * |
| get_mips_section_type_name (sh_type) |
| unsigned int sh_type; |
| { |
| switch (sh_type) |
| { |
| case SHT_MIPS_LIBLIST: return "MIPS_LIBLIST"; |
| case SHT_MIPS_MSYM: return "MIPS_MSYM"; |
| case SHT_MIPS_CONFLICT: return "MIPS_CONFLICT"; |
| case SHT_MIPS_GPTAB: return "MIPS_GPTAB"; |
| case SHT_MIPS_UCODE: return "MIPS_UCODE"; |
| case SHT_MIPS_DEBUG: return "MIPS_DEBUG"; |
| case SHT_MIPS_REGINFO: return "MIPS_REGINFO"; |
| case SHT_MIPS_PACKAGE: return "MIPS_PACKAGE"; |
| case SHT_MIPS_PACKSYM: return "MIPS_PACKSYM"; |
| case SHT_MIPS_RELD: return "MIPS_RELD"; |
| case SHT_MIPS_IFACE: return "MIPS_IFACE"; |
| case SHT_MIPS_CONTENT: return "MIPS_CONTENT"; |
| case SHT_MIPS_OPTIONS: return "MIPS_OPTIONS"; |
| case SHT_MIPS_SHDR: return "MIPS_SHDR"; |
| case SHT_MIPS_FDESC: return "MIPS_FDESC"; |
| case SHT_MIPS_EXTSYM: return "MIPS_EXTSYM"; |
| case SHT_MIPS_DENSE: return "MIPS_DENSE"; |
| case SHT_MIPS_PDESC: return "MIPS_PDESC"; |
| case SHT_MIPS_LOCSYM: return "MIPS_LOCSYM"; |
| case SHT_MIPS_AUXSYM: return "MIPS_AUXSYM"; |
| case SHT_MIPS_OPTSYM: return "MIPS_OPTSYM"; |
| case SHT_MIPS_LOCSTR: return "MIPS_LOCSTR"; |
| case SHT_MIPS_LINE: return "MIPS_LINE"; |
| case SHT_MIPS_RFDESC: return "MIPS_RFDESC"; |
| case SHT_MIPS_DELTASYM: return "MIPS_DELTASYM"; |
| case SHT_MIPS_DELTAINST: return "MIPS_DELTAINST"; |
| case SHT_MIPS_DELTACLASS: return "MIPS_DELTACLASS"; |
| case SHT_MIPS_DWARF: return "MIPS_DWARF"; |
| case SHT_MIPS_DELTADECL: return "MIPS_DELTADECL"; |
| case SHT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB"; |
| case SHT_MIPS_EVENTS: return "MIPS_EVENTS"; |
| case SHT_MIPS_TRANSLATE: return "MIPS_TRANSLATE"; |
| case SHT_MIPS_PIXIE: return "MIPS_PIXIE"; |
| case SHT_MIPS_XLATE: return "MIPS_XLATE"; |
| case SHT_MIPS_XLATE_DEBUG: return "MIPS_XLATE_DEBUG"; |
| case SHT_MIPS_WHIRL: return "MIPS_WHIRL"; |
| case SHT_MIPS_EH_REGION: return "MIPS_EH_REGION"; |
| case SHT_MIPS_XLATE_OLD: return "MIPS_XLATE_OLD"; |
| case SHT_MIPS_PDR_EXCEPTION: return "MIPS_PDR_EXCEPTION"; |
| default: |
| break; |
| } |
| return NULL; |
| } |
| |
| static const char * |
| get_section_type_name (sh_type) |
| unsigned int sh_type; |
| { |
| static char buff [32]; |
| |
| switch (sh_type) |
| { |
| case SHT_NULL: return "NULL"; |
| case SHT_PROGBITS: return "PROGBITS"; |
| case SHT_SYMTAB: return "SYMTAB"; |
| case SHT_STRTAB: return "STRTAB"; |
| case SHT_RELA: return "RELA"; |
| case SHT_HASH: return "HASH"; |
| case SHT_DYNAMIC: return "DYNAMIC"; |
| case SHT_NOTE: return "NOTE"; |
| case SHT_NOBITS: return "NOBITS"; |
| case SHT_REL: return "REL"; |
| case SHT_SHLIB: return "SHLIB"; |
| case SHT_DYNSYM: return "DYNSYM"; |
| case SHT_GNU_verdef: return "VERDEF"; |
| case SHT_GNU_verneed: return "VERNEED"; |
| case SHT_GNU_versym: return "VERSYM"; |
| case 0x6ffffff0: return "VERSYM"; |
| case 0x6ffffffc: return "VERDEF"; |
| case 0x7ffffffd: return "AUXILIARY"; |
| case 0x7fffffff: return "FILTER"; |
| |
| default: |
| if ((sh_type >= SHT_LOPROC) && (sh_type <= SHT_HIPROC)) |
| { |
| const char * result; |
| |
| switch (elf_header.e_machine) |
| { |
| case EM_MIPS: |
| case EM_MIPS_RS4_BE: |
| result = get_mips_section_type_name (sh_type); |
| break; |
| default: |
| result = NULL; |
| break; |
| } |
| |
| if (result != NULL) |
| return result; |
| |
| sprintf (buff, "SHT_LOPROC+%x", sh_type - SHT_LOPROC); |
| } |
| else if ((sh_type >= SHT_LOOS) && (sh_type <= SHT_HIOS)) |
| sprintf (buff, "SHT_LOOS+%x", sh_type - SHT_LOOS); |
| else if ((sh_type >= SHT_LOUSER) && (sh_type <= SHT_HIUSER)) |
| sprintf (buff, "SHT_LOUSER+%x", sh_type - SHT_LOUSER); |
| else |
| sprintf (buff, _("<unknown>: %x"), sh_type); |
| |
| return buff; |
| } |
| } |
| |
| struct option options [] = |
| { |
| {"all", no_argument, 0, 'a'}, |
| {"file-header", no_argument, 0, 'h'}, |
| {"program-headers", no_argument, 0, 'l'}, |
| {"headers", no_argument, 0, 'e'}, |
| {"histogram", no_argument, & do_histogram, 1}, |
| {"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'}, |
| {"dynamic", no_argument, 0, 'd'}, |
| {"version-info", no_argument, 0, 'V'}, |
| {"use-dynamic", no_argument, 0, 'D'}, |
| {"hex-dump", required_argument, 0, 'x'}, |
| {"debug-dump", optional_argument, 0, 'w'}, |
| #ifdef SUPPORT_DISASSEMBLY |
| {"instruction-dump", required_argument, 0, 'i'}, |
| #endif |
| |
| {"version", no_argument, 0, 'v'}, |
| {"help", no_argument, 0, 'H'}, |
| {0, no_argument, 0, 0} |
| }; |
| |
| static void |
| usage () |
| { |
| 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, _(" -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, _(" -S or --section-headers or --sections\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, _(" -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, _(" -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, _(" -w[liapr] or --debug-dump[=line,=info,=abbrev,=pubnames,=ranges]\n")); |
| fprintf (stdout, _(" Display the contents of DWARF2 debug sections\n")); |
| #ifdef SUPPORT_DISASSEMBLY |
| 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, _(" -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")); |
| |
| exit (0); |
| } |
| |
| static void |
| request_dump (section, type) |
| unsigned int section; |
| char type; |
| { |
| if (section >= num_dump_sects) |
| { |
| char * new_dump_sects; |
| |
| new_dump_sects = (char *) calloc (section + 1, 1); |
| |
| if (new_dump_sects == NULL) |
| error (_("Out of memory allocating dump request table.")); |
| else |
| { |
| /* Copy current flag settings. */ |
| memcpy (new_dump_sects, dump_sects, num_dump_sects); |
| |
| free (dump_sects); |
| |
| dump_sects = new_dump_sects; |
| num_dump_sects = section + 1; |
| } |
| } |
| |
| if (dump_sects) |
| dump_sects [section] |= type; |
| |
| return; |
| } |
| |
| static void |
| parse_args (argc, argv) |
| int argc; |
| char ** argv; |
| { |
| int c; |
| |
| if (argc < 2) |
| usage (); |
| |
| while ((c = getopt_long |
| (argc, argv, "ersahldSDw::x:i:vV", options, NULL)) != EOF) |
| { |
| char * cp; |
| int section; |
| |
| switch (c) |
| { |
| case 0: |
| /* Long options. */ |
| break; |
| case 'H': |
| usage (); |
| break; |
| |
| case 'a': |
| do_syms ++; |
| do_reloc ++; |
| do_dynamic ++; |
| do_header ++; |
| do_sections ++; |
| do_segments ++; |
| do_version ++; |
| do_histogram ++; |
| break; |
| case 'e': |
| do_header ++; |
| do_sections ++; |
| do_segments ++; |
| break; |
| case 'D': |
| do_using_dynamic ++; |
| break; |
| case 'r': |
| do_reloc ++; |
| 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 '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 |
| { |
| do_debugging = 0; |
| switch (optarg[0]) |
| { |
| case 'i': |
| case 'I': |
| do_debug_info = 1; |
| break; |
| |
| case 'a': |
| case 'A': |
| do_debug_abbrevs = 1; |
| break; |
| |
| case 'l': |
| case 'L': |
| do_debug_lines = 1; |
| break; |
| |
| case 'p': |
| case 'P': |
| do_debug_pubnames = 1; |
| break; |
| |
| case 'r': |
| case 'R': |
| do_debug_aranges = 1; |
| break; |
| |
| default: |
| warn (_("Unrecognised debug option '%s'\n"), optarg); |
| break; |
| } |
| } |
| break; |
| #ifdef SUPPORT_DISASSEMBLY |
| case 'i': |
| do_dump ++; |
| section = strtoul (optarg, & cp, 0); |
| if (! * cp && section >= 0) |
| { |
| request_dump (section, DISASS_DUMP); |
| break; |
| } |
| goto oops; |
| #endif |
| case 'v': |
| print_version (program_name); |
| break; |
| case 'V': |
| do_version ++; |
| break; |
| default: |
| oops: |
| /* xgettext:c-format */ |
| error (_("Invalid option '-%c'\n"), c); |
| /* Drop through. */ |
| case '?': |
| usage (); |
| } |
| } |
| |
| if (!do_dynamic && !do_syms && !do_reloc && !do_sections |
| && !do_segments && !do_header && !do_dump && !do_version |
| && !do_histogram && !do_debugging) |
| usage (); |
| else if (argc < 3) |
| { |
| warn (_("Nothing to do.\n")); |
| usage(); |
| } |
| } |
| |
| static const char * |
| get_elf_class (elf_class) |
| 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: %x>"), elf_class); |
| return buff; |
| } |
| } |
| |
| static const char * |
| get_data_encoding (encoding) |
| 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: %x>"), encoding); |
| return buff; |
| } |
| } |
| |
| static const char * |
| get_osabi_name (osabi) |
| 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: %x>"), osabi); |
| return buff; |
| } |
| } |
| |
| /* Decode the data held in 'elf_header'. */ |
| static int |
| process_file_header () |
| { |
| if ( elf_header.e_ident [EI_MAG0] != ELFMAG0 |
| || elf_header.e_ident [EI_MAG1] != ELFMAG1 |
| || elf_header.e_ident [EI_MAG2] != ELFMAG2 |
| || elf_header.e_ident [EI_MAG3] != ELFMAG3) |
| { |
| error |
| (_("Not an ELF file - it has the wrong magic bytes at the start\n")); |
| return 0; |
| } |
| |
| if (do_header) |
| { |
| int i; |
| |
| printf (_("ELF Header:\n")); |
| printf (_(" Magic: ")); |
| for (i = 0; i < EI_NIDENT; i ++) |
| printf ("%2.2x ", elf_header.e_ident [i]); |
| printf ("\n"); |
| printf (_(" Class: %s\n"), |
| get_elf_class (elf_header.e_ident [EI_CLASS])); |
| printf (_(" Data: %s\n"), |
| get_data_encoding (elf_header.e_ident [EI_DATA])); |
| printf (_(" Version: %d %s\n"), |
| elf_header.e_ident [EI_VERSION], |
| (elf_header.e_ident [EI_VERSION] == EV_CURRENT |
| ? "(current)" |
| : (elf_header.e_ident [EI_VERSION] != EV_NONE |
| ? "<unknown: %lx>" |
| : ""))); |
| printf (_(" OS/ABI: %s\n"), |
| get_osabi_name (elf_header.e_ident [EI_OSABI])); |
| printf (_(" ABI Version: %d\n"), |
| elf_header.e_ident [EI_ABIVERSION]); |
| printf (_(" Type: %s\n"), |
| get_file_type (elf_header.e_type)); |
| printf (_(" Machine: %s\n"), |
| get_machine_name (elf_header.e_machine)); |
| printf (_(" Version: 0x%lx\n"), |
| (unsigned long) elf_header.e_version); |
| printf (_(" Entry point address: 0x%lx\n"), |
| (unsigned long) elf_header.e_entry); |
| printf (_(" Start of program headers: %ld (bytes into file)\n"), |
| (long) elf_header.e_phoff); |
| printf (_(" Start of section headers: %ld (bytes into file)\n"), |
| (long) elf_header.e_shoff); |
| 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\n"), |
| (long) elf_header.e_shnum); |
| printf (_(" Section header string table index: %ld\n"), |
| (long) elf_header.e_shstrndx); |
| } |
| |
| return 1; |
| } |
| |
| |
| static int |
| get_32bit_program_headers (file, program_headers) |
| FILE * file; |
| Elf_Internal_Phdr * program_headers; |
| { |
| Elf32_External_Phdr * phdrs; |
| Elf32_External_Phdr * external; |
| Elf32_Internal_Phdr * internal; |
| unsigned int i; |
| |
| 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 ++) |
| { |
| 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; |
| { |
| Elf_Internal_Phdr * program_headers; |
| Elf_Internal_Phdr * segment; |
| unsigned int i; |
| |
| if (elf_header.e_phnum == 0) |
| { |
| if (do_segments) |
| printf (_("\nThere are no program headers in this file.\n")); |
| return 1; |
| } |
| |
| if (do_segments && !do_header) |
| { |
| printf (_("\nElf file is %s\n"), get_file_type (elf_header.e_type)); |
| printf (_("Entry point 0x%lx\n"), (unsigned long) elf_header.e_entry); |
| printf (_("There are %d program headers, starting at offset %lx:\n"), |
| elf_header.e_phnum, (unsigned long) elf_header.e_phoff); |
| } |
| |
| program_headers = (Elf_Internal_Phdr *) malloc |
| (elf_header.e_phnum * sizeof (Elf_Internal_Phdr)); |
| |
| if (program_headers == NULL) |
| { |
| error (_("Out of memory\n")); |
| return 0; |
| } |
| |
| if (is_32bit_elf) |
| i = get_32bit_program_headers (file, program_headers); |
| else |
| i = get_64bit_program_headers (file, program_headers); |
| |
| if (i == 0) |
| { |
| free (program_headers); |
| return 0; |
| } |
| |
| if (do_segments) |
| { |
| printf |
| (_("\nProgram Header%s:\n"), elf_header.e_phnum > 1 ? "s" : ""); |
| printf |
| (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n")); |
| } |
| |
| loadaddr = -1; |
| dynamic_addr = 0; |
| dynamic_size = 0; |
| |
| for (i = 0, segment = program_headers; |
| i < elf_header.e_phnum; |
| i ++, segment ++) |
| { |
| if (do_segments) |
| { |
| printf (" %-11.11s ", 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); |
| 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); |
| } |
| |
| switch (segment->p_type) |
| { |
| case PT_LOAD: |
| if (loadaddr == -1) |
| loadaddr = (segment->p_vaddr & 0xfffff000) |
| - (segment->p_offset & 0xfffff000); |
| break; |
| |
| case PT_DYNAMIC: |
| if (dynamic_addr) |
| error (_("more than one dynamic segment\n")); |
| |
| dynamic_addr = segment->p_offset; |
| dynamic_size = segment->p_filesz; |
| break; |
| |
| case PT_INTERP: |
| if (fseek (file, segment->p_offset, SEEK_SET)) |
| error (_("Unable to find program interpreter name\n")); |
| else |
| { |
| program_interpreter[0] = 0; |
| fscanf (file, "%63s", program_interpreter); |
| |
| if (do_segments) |
| printf (_("\n [Requesting program interpreter: %s]"), |
| program_interpreter); |
| } |
| break; |
| } |
| |
| if (do_segments) |
| putc ('\n', stdout); |
| } |
| |
| if (loadaddr == -1) |
| { |
| /* Very strange. */ |
| loadaddr = 0; |
| } |
| |
| if (do_segments && section_headers != NULL) |
| { |
| printf (_("\n Section to Segment mapping:\n")); |
| printf (_(" Segment Sections...\n")); |
| |
| assert (string_table != NULL); |
| |
| for (i = 0; i < elf_header.e_phnum; i++) |
| { |
| int j; |
| Elf_Internal_Shdr * section; |
| |
| segment = program_headers + i; |
| section = section_headers; |
| |
| printf (" %2.2d ", i); |
| |
| for (j = 0; j < elf_header.e_shnum; j++, section ++) |
| { |
| if (section->sh_size > 0 |
| /* Compare allocated sections by VMA, unallocated |
| sections by file offset. */ |
| && (section->sh_flags & SHF_ALLOC |
| ? (section->sh_addr >= segment->p_vaddr |
| && section->sh_addr + section->sh_size |
| <= segment->p_vaddr + segment->p_memsz) |
| : (section->sh_offset >= segment->p_offset |
| && (section->sh_offset + section->sh_size |
| <= segment->p_offset + segment->p_filesz)))) |
| printf ("%s ", SECTION_NAME (section)); |
| } |
| |
| putc ('\n',stdout); |
| } |
| } |
| |
| free (program_headers); |
| |
| return 1; |
| } |
| |
| |
| static int |
| get_32bit_section_headers (file) |
| FILE * file; |
| { |
| Elf32_External_Shdr * shdrs; |
| Elf32_Internal_Shdr * internal; |
| unsigned int i; |
| |
| GET_DATA_ALLOC (elf_header.e_shoff, |
| elf_header.e_shentsize * elf_header.e_shnum, |
| shdrs, Elf32_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_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 * 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_32bit_elf_symbols (file, offset, number) |
| FILE * file; |
| unsigned long offset; |
| unsigned long number; |
| { |
| Elf32_External_Sym * esyms; |
| Elf_Internal_Sym * isyms; |
| Elf_Internal_Sym * psym; |
| unsigned int j; |
| |
| GET_DATA_ALLOC (offset, number * sizeof (Elf32_External_Sym), |
| esyms, Elf32_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_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); |
| psym->st_info = BYTE_GET (esyms[j].st_info); |
| psym->st_other = BYTE_GET (esyms[j].st_other); |
| } |
| |
| free (esyms); |
| |
| 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; |
| { |
| Elf_Internal_Shdr * section; |
| 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)) |
| return 0; |
| } |
| else if (! get_64bit_section_headers (file)) |
| return 0; |
| |
| /* Read in the string table, so that we have names to display. */ |
| section = section_headers + elf_header.e_shstrndx; |
| |
| if (section->sh_size != 0) |
| { |
| unsigned long string_table_offset; |
| |
| string_table_offset = section->sh_offset; |
| |
| GET_DATA_ALLOC (section->sh_offset, section->sh_size, |
| string_table, char *, "string table"); |
| } |
| |
| /* Scan the sections for the dynamic symbol table |
| and dynamic string table and debug sections. */ |
| dynamic_symbols = NULL; |
| dynamic_strings = NULL; |
| dynamic_syminfo = NULL; |
| |
| for (i = 0, section = section_headers; |
| i < elf_header.e_shnum; |
| i ++, section ++) |
| { |
| char * name = SECTION_NAME (section); |
| |
| if (section->sh_type == SHT_DYNSYM) |
| { |
| if (dynamic_symbols != NULL) |
| { |
| error (_("File contains multiple dynamic symbol tables\n")); |
| continue; |
| } |
| |
| num_dynamic_syms = section->sh_size / section->sh_entsize; |
| dynamic_symbols = |
| GET_ELF_SYMBOLS (file, section->sh_offset, num_dynamic_syms); |
| } |
| else if (section->sh_type == SHT_STRTAB |
| && strcmp (name, ".dynstr") == 0) |
| { |
| if (dynamic_strings != NULL) |
| { |
| error (_("File contains multiple dynamic string tables\n")); |
| continue; |
| } |
| |
| GET_DATA_ALLOC (section->sh_offset, section->sh_size, |
| dynamic_strings, char *, "dynamic strings"); |
| } |
| else if ((do_debugging || do_debug_info || do_debug_abbrevs |
| || do_debug_lines || do_debug_pubnames || do_debug_aranges) |
| && strncmp (name, ".debug_", 7) == 0) |
| { |
| name += 7; |
| |
| if (do_debugging |
| || (do_debug_info && (strcmp (name, "info") == 0)) |
| || (do_debug_abbrevs && (strcmp (name, "abbrev") == 0)) |
| || (do_debug_lines && (strcmp (name, "line") == 0)) |
| || (do_debug_pubnames && (strcmp (name, "pubnames") == 0)) |
| || (do_debug_aranges && (strcmp (name, "aranges") == 0)) |
| ) |
| request_dump (i, DEBUG_DUMP); |
| } |
| } |
| |
| if (! do_sections) |
| return 1; |
| |
| printf (_("\nSection Header%s:\n"), elf_header.e_shnum > 1 ? "s" : ""); |
| printf |
| (_(" [Nr] Name Type Addr Off Size ES Flg Lk Inf Al\n")); |
| |
| for (i = 0, section = section_headers; |
| i < elf_header.e_shnum; |
| i ++, section ++) |
| { |
| printf (" [%2d] %-17.17s %-15.15s ", |
| i, |
| SECTION_NAME (section), |
| get_section_type_name (section->sh_type)); |
| |
| printf ( "%8.8lx %6.6lx %6.6lx %2.2lx", |
| (unsigned long) section->sh_addr, |
| (unsigned long) section->sh_offset, |
| (unsigned long) section->sh_size, |
| (unsigned long) section->sh_entsize); |
| |
| printf (" %c%c%c %2ld %3lx %ld\n", |
| (section->sh_flags & SHF_WRITE ? 'W' : ' '), |
| (section->sh_flags & SHF_ALLOC ? 'A' : ' '), |
| (section->sh_flags & SHF_EXECINSTR ? 'X' : ' '), |
| (unsigned long) section->sh_link, |
| (unsigned long) section->sh_info, |
| (unsigned long) section->sh_addralign); |
| } |
| |
| return 1; |
| } |
| |
| /* Process the reloc section. */ |
| static int |
| process_relocs (file) |
| FILE * file; |
| { |
| unsigned long rel_size; |
| unsigned long rel_offset; |
| |
| |
| if (!do_reloc) |
| return 1; |
| |
| if (do_using_dynamic) |
| { |
| int is_rela; |
| |
| rel_size = 0; |
| rel_offset = 0; |
| |
| if (dynamic_info[DT_REL]) |
| { |
| rel_offset = dynamic_info[DT_REL]; |
| rel_size = dynamic_info[DT_RELSZ]; |
| is_rela = FALSE; |
| } |
| else if (dynamic_info [DT_RELA]) |
| { |
| rel_offset = dynamic_info[DT_RELA]; |
| rel_size = dynamic_info[DT_RELASZ]; |
| is_rela = TRUE; |
| } |
| else if (dynamic_info[DT_JMPREL]) |
| { |
| rel_offset = dynamic_info[DT_JMPREL]; |
| rel_size = dynamic_info[DT_PLTRELSZ]; |
| |
| switch (dynamic_info[DT_PLTREL]) |
| { |
| case DT_REL: |
| is_rela = FALSE; |
| break; |
| case DT_RELA: |
| is_rela = TRUE; |
| break; |
| default: |
| is_rela = UNKNOWN; |
| break; |
| } |
| } |
| |
| if (rel_size) |
| { |
| printf |
| (_("\nRelocation section at offset 0x%lx contains %ld bytes:\n"), |
| rel_offset, rel_size); |
| |
| dump_relocations (file, rel_offset - loadaddr, rel_size, |
| dynamic_symbols, num_dynamic_syms, dynamic_strings, is_rela); |
| } |
| else |
| printf (_("\nThere are no dynamic relocations in this file.\n")); |
| } |
| else |
| { |
| Elf32_Internal_Shdr * section; |
| unsigned long i; |
| int found = 0; |
| |
| for (i = 0, section = section_headers; |
| i < elf_header.e_shnum; |
| i++, section ++) |
| { |
| if ( section->sh_type != SHT_RELA |
| && section->sh_type != SHT_REL) |
| continue; |
| |
| rel_offset = section->sh_offset; |
| rel_size = section->sh_size; |
| |
| if (rel_size) |
| { |
| Elf32_Internal_Shdr * strsec; |
| Elf32_Internal_Shdr * symsec; |
| Elf_Internal_Sym * symtab; |
| char * strtab; |
| int is_rela; |
| unsigned long nsyms; |
| |
| printf (_("\nRelocation section ")); |
| |
| if (string_table == NULL) |
| printf ("%d", section->sh_name); |
| else |
| printf ("'%s'", SECTION_NAME (section)); |
| |
| printf (_(" at offset 0x%lx contains %lu entries:\n"), |
| rel_offset, (unsigned long) (rel_size / section->sh_entsize)); |
| |
| symsec = section_headers + section->sh_link; |
| |
| nsyms = symsec->sh_size / symsec->sh_entsize; |
| symtab = GET_ELF_SYMBOLS (file, symsec->sh_offset, nsyms); |
| |
| if (symtab == NULL) |
| continue; |
| |
| strsec = section_headers + symsec->sh_link; |
| |
| 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); |
| |
| free (strtab); |
| free (symtab); |
| |
| found = 1; |
| } |
| } |
| |
| if (! found) |
| printf (_("\nThere are no relocations in this file.\n")); |
| } |
| |
| return 1; |
| } |
| |
| |
| static void |
| dynamic_segment_mips_val (entry) |
| Elf_Internal_Dyn * entry; |
| { |
| switch (entry->d_tag) |
| { |
| case DT_MIPS_FLAGS: |
| if (entry->d_un.d_val == 0) |
| printf ("NONE\n"); |
| else |
| { |
| static const char * opts[] = |
| { |
| "QUICKSTART", "NOTPOT", "NO_LIBRARY_REPLACEMENT", |
| "NO_MOVE", "SGI_ONLY", "GUARANTEE_INIT", "DELTA_C_PLUS_PLUS", |
| "GUARANTEE_START_INIT", "PIXIE", "DEFAULT_DELAY_LOAD", |
| "REQUICKSTART", "REQUICKSTARTED", "CORD", "NO_UNRES_UNDEF", |
| "RLD_ORDER_SAFE" |
| }; |
| unsigned int cnt; |
| int first = 1; |
| for (cnt = 0; cnt < NUM_ELEM (opts); ++ cnt) |
| if (entry->d_un.d_val & (1 << cnt)) |
| { |
| printf ("%s%s", first ? "" : " ", opts[cnt]); |
| first = 0; |
| } |
| puts (""); |
| } |
| break; |
| |
| case DT_MIPS_IVERSION: |
| if (dynamic_strings != NULL) |
| printf ("Interface Version: %s\n", |
| dynamic_strings + entry->d_un.d_val); |
| else |
| printf ("%ld\n", (long) entry->d_un.d_ptr); |
| break; |
| |
| case DT_MIPS_TIME_STAMP: |
| { |
| char timebuf[20]; |
| time_t time = entry->d_un.d_val; |
| strftime (timebuf, 20, "%Y-%m-%dT%H:%M:%S", gmtime (&time)); |
| 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 int |
| get_32bit_dynamic_segment (file) |
| FILE * file; |
| { |
| 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) |
| ; |
| |
| dynamic_segment = (Elf_Internal_Dyn *) |
| malloc (dynamic_size * sizeof (Elf_Internal_Dyn)); |
| |
| if (dynamic_segment == NULL) |
| { |
| error (_("Out of memory\n")); |
| free (edyn); |
| return 0; |
| } |
| |
| for (i = 0, entry = dynamic_segment; |
| i < dynamic_size; |
| i ++, entry ++) |
| { |
| entry->d_tag = BYTE_GET (edyn [i].d_tag); |
| entry->d_un.d_val = BYTE_GET (edyn [i].d_un.d_val); |
| } |
| |
| free (edyn); |
| |
| return 1; |
| } |
| |
| static int |
| get_64bit_dynamic_segment (file) |
| FILE * file; |
| { |
| Elf64_External_Dyn * edyn; |
| Elf_Internal_Dyn * entry; |
| bfd_size_type i; |
| |
| 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. */ |
| dynamic_size = 0; |
| while (*(bfd_vma *) edyn [dynamic_size ++].d_tag != DT_NULL) |
| ; |
| |
| dynamic_segment = (Elf_Internal_Dyn *) |
| malloc (dynamic_size * sizeof (Elf_Internal_Dyn)); |
| |
| if (dynamic_segment == NULL) |
| { |
| error (_("Out of memory\n")); |
| free (edyn); |
| return 0; |
| } |
| |
| for (i = 0, entry = dynamic_segment; |
| i < dynamic_size; |
| i ++, entry ++) |
| { |
| entry->d_tag = BYTE_GET8 (edyn [i].d_tag); |
| entry->d_un.d_val = BYTE_GET8 (edyn [i].d_un.d_val); |
| } |
| |
| free (edyn); |
| |
| return 1; |
| } |
| |
| /* Parse and display the contents of the dynamic segment. */ |
| static int |
| process_dynamic_segment (file) |
| FILE * file; |
| { |
| Elf_Internal_Dyn * entry; |
| bfd_size_type i; |
| |
| if (dynamic_size == 0) |
| { |
| if (do_dynamic) |
| printf (_("\nThere is no dynamic segment in this file.\n")); |
| |
| return 1; |
| } |
| |
| if (is_32bit_elf) |
| { |
| if (! get_32bit_dynamic_segment (file)) |
| return 0; |
| } |
| else if (! get_64bit_dynamic_segment (file)) |
| return 0; |
| |
| /* Find the appropriate symbol table. */ |
| if (dynamic_symbols == NULL) |
| { |
| for (i = 0, entry = dynamic_segment; |
| i < dynamic_size; |
| ++i, ++ entry) |
| { |
| unsigned long offset; |
| |
| if (entry->d_tag != DT_SYMTAB) |
| continue; |
| |
| dynamic_info[DT_SYMTAB] = entry->d_un.d_val; |
| |
| /* Since we do not know how big the symbol table is, |
| we default to reading in the entire file (!) and |
| processing that. This is overkill, I know, but it |
| should work. */ |
| offset = entry->d_un.d_val - loadaddr; |
| |
| if (fseek (file, 0, SEEK_END)) |
| error (_("Unable to seek to end of file!")); |
| |
| if (is_32bit_elf) |
| num_dynamic_syms = (ftell (file) - offset) / sizeof (Elf32_External_Sym); |
| else |
| num_dynamic_syms = (ftell (file) - offset) / sizeof (Elf64_External_Sym); |
| |
| if (num_dynamic_syms < 1) |
| { |
| error (_("Unable to determine the number of symbols to load\n")); |
| continue; |
| } |
| |
| dynamic_symbols = GET_ELF_SYMBOLS (file, offset, num_dynamic_syms); |
| } |
| } |
| |
| /* Similarly find a string table. */ |
| if (dynamic_strings == NULL) |
| { |
| for (i = 0, entry = dynamic_segment; |
| i < dynamic_size; |
| ++i, ++ entry) |
| { |
| unsigned long offset; |
| long str_tab_len; |
| |
| if (entry->d_tag != DT_STRTAB) |
| continue; |
| |
| dynamic_info[DT_STRTAB] = entry->d_un.d_val; |
| |
| /* Since we do not know how big the string table is, |
| we default to reading in the entire file (!) and |
| processing that. This is overkill, I know, but it |
| should work. */ |
| |
| offset = entry->d_un.d_val - loadaddr; |
| if (fseek (file, 0, SEEK_END)) |
| error (_("Unable to seek to end of file\n")); |
| str_tab_len = ftell (file) - offset; |
| |
| if (str_tab_len < 1) |
| { |
| error |
| (_("Unable to determine the length of the dynamic string table\n")); |
| continue; |
| } |
| |
| GET_DATA_ALLOC (offset, str_tab_len, dynamic_strings, char *, |
| "dynamic string table"); |
| |
| break; |
| } |
| } |
| |
| /* And find the syminfo section if available. */ |
| if (dynamic_syminfo == NULL) |
| { |
| unsigned int syminsz = 0; |
| |
| for (i = 0, entry = dynamic_segment; |
| i < dynamic_size; |
| ++i, ++ entry) |
| { |
| if (entry->d_tag == DT_SYMINENT) |
| { |
| /* Note: these braces are necessary to avoid a syntax |
| error from the SunOS4 C compiler. */ |
| assert (sizeof (Elf_External_Syminfo) == entry->d_un.d_val); |
| } |
| else if (entry->d_tag == DT_SYMINSZ) |
| syminsz = entry->d_un.d_val; |
| else if (entry->d_tag == DT_SYMINFO) |
| dynamic_syminfo_offset = entry->d_un.d_val - loadaddr; |
| } |
| |
| if (dynamic_syminfo_offset != 0 && syminsz != 0) |
| { |
| Elf_External_Syminfo * extsyminfo; |
| Elf_Internal_Syminfo * syminfo; |
| |
| /* There is a syminfo section. Read the data. */ |
| GET_DATA_ALLOC (dynamic_syminfo_offset, syminsz, extsyminfo, |
| Elf_External_Syminfo *, "symbol information"); |
| |
| dynamic_syminfo = (Elf_Internal_Syminfo *) malloc (syminsz); |
| if (dynamic_syminfo == NULL) |
| { |
| error (_("Out of memory\n")); |
| return 0; |
| } |
| |
| dynamic_syminfo_nent = syminsz / sizeof (Elf_External_Syminfo); |
| for (i = 0, syminfo = dynamic_syminfo; i < dynamic_syminfo_nent; |
| ++i, ++syminfo) |
| { |
| syminfo->si_boundto = BYTE_GET (extsyminfo[i].si_boundto); |
| syminfo->si_flags = BYTE_GET (extsyminfo[i].si_flags); |
| } |
| |
| free (extsyminfo); |
| } |
| } |
| |
| if (do_dynamic && dynamic_addr) |
| printf (_("\nDynamic segment at offset 0x%x contains %ld entries:\n"), |
| dynamic_addr, (long) dynamic_size); |
| if (do_dynamic) |
| printf (_(" Tag Type Name/Value\n")); |
| |
| for (i = 0, entry = dynamic_segment; |
| i < dynamic_size; |
| i++, entry ++) |
| { |
| if (do_dynamic) |
| printf (_(" 0x%-8.8lx (%s)%*s"), |
| (unsigned long) entry->d_tag, |
| get_dynamic_type (entry->d_tag), |
| 27 - strlen (get_dynamic_type (entry->d_tag)), |
| " "); |
| |
| switch (entry->d_tag) |
| { |
| case DT_AUXILIARY: |
| case DT_FILTER: |
| if (do_dynamic) |
| { |
| if (entry->d_tag == DT_AUXILIARY) |
| printf (_("Auxiliary library")); |
| else |
| printf (_("Filter library")); |
| |
| if (dynamic_strings) |
| printf (": [%s]\n", dynamic_strings + entry->d_un.d_val); |
| else |
| printf (": %#lx\n", (long) entry->d_un.d_val); |
| } |
| break; |
| |
| case DT_FEATURE_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 & DTF_1_PARINIT) |
| { |
| printf (" PARINIT"); |
| val ^= DTF_1_PARINIT; |
| } |
| 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 != 0) |
| printf (" %lx", val); |
| puts (""); |
| } |
| } |
| break; |
| |
| case DT_PLTREL: |
| if (do_dynamic) |
| puts (get_dynamic_type (entry->d_un.d_val)); |
| break; |
| |
| case DT_NULL : |
| case DT_NEEDED : |
| case DT_PLTGOT : |
| case DT_HASH : |
| case DT_STRTAB : |
| case DT_SYMTAB : |
| case DT_RELA : |
| case DT_INIT : |
| case DT_FINI : |
| case DT_SONAME : |
| case DT_RPATH : |
| case DT_SYMBOLIC: |
| case DT_REL : |
| case DT_DEBUG : |
| case DT_TEXTREL : |
| case DT_JMPREL : |
| dynamic_info[entry->d_tag] = entry->d_un.d_val; |
| |
| if (do_dynamic) |
| { |
| char * name; |
| |
| if (dynamic_strings == NULL) |
| name = NULL; |
| else |
| name = dynamic_strings + entry->d_un.d_val; |
| |
| if (name) |
| { |
| switch (entry->d_tag) |
| { |
| case DT_NEEDED: |
| printf (_("Shared library: [%s]"), name); |
| |
| if (strcmp (name, program_interpreter)) |
| printf ("\n"); |
| else |
| printf (_(" program interpreter\n")); |
| break; |
| |
| case DT_SONAME: |
| printf (_("Library soname: [%s]\n"), name); |
| break; |
| |
| case DT_RPATH: |
| printf (_("Library rpath: [%s]\n"), name); |
| break; |
| |
| default: |
| printf ("%#lx\n", (long) entry->d_un.d_val); |
| } |
| } |
| else |
| printf ("%#lx\n", (long) entry->d_un.d_val); |
| } |
| break; |
| |
| case DT_PLTRELSZ: |
| case DT_RELASZ : |
| case DT_STRSZ : |
| case DT_RELSZ : |
| case DT_RELAENT : |
| case DT_SYMENT : |
| case DT_RELENT : |
| case DT_PLTPADSZ: |
| case DT_MOVEENT : |
| case DT_MOVESZ : |
| case DT_INIT_ARRAYSZ: |
| case DT_FINI_ARRAYSZ: |
| if (do_dynamic) |
| printf ("%lu (bytes)\n", (unsigned long) entry->d_un.d_val); |
| break; |
| |
| case DT_VERDEFNUM: |
| case DT_VERNEEDNUM: |
| case DT_RELACOUNT: |
| case DT_RELCOUNT: |
| if (do_dynamic) |
| printf ("%lu\n", (unsigned long) entry->d_un.d_val); |
| break; |
| |
| case DT_SYMINSZ: |
| case DT_SYMINENT: |
| case DT_SYMINFO: |
| case DT_USED: |
| case DT_INIT_ARRAY: |
| case DT_FINI_ARRAY: |
| if (do_dynamic) |
| { |
| if (dynamic_strings != NULL && entry->d_tag == DT_USED) |
| { |
| char * name; |
| |
| name = dynamic_strings + entry->d_un.d_val; |
| |
| if (* name) |
| { |
| printf (_("Not needed object: [%s]\n"), name); |
| break; |
| } |
| } |
| |
| 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)] = |
| entry->d_un.d_val; |
| |
| if (do_dynamic) |
| { |
| switch (elf_header.e_machine) |
| { |
| case EM_MIPS: |
| case EM_MIPS_RS4_BE: |
| dynamic_segment_mips_val (entry); |
| break; |
| default: |
| printf ("%#lx\n", (long) entry->d_un.d_ptr); |
| } |
| } |
| break; |
| } |
| } |
| |
| return 1; |
| } |
| |
| static char * |
| get_ver_flags (flags) |
| unsigned int flags; |
| { |
| static char buff [32]; |
| |
| buff[0] = 0; |
| |
| if (flags == 0) |
| return _("none"); |
| |
| if (flags & VER_FLG_BASE) |
| strcat (buff, "BASE "); |
| |
| if (flags & VER_FLG_WEAK) |
| { |
| if (flags & VER_FLG_BASE) |
| strcat (buff, "| "); |
| |
| strcat (buff, "WEAK "); |
| } |
| |
| if (flags & ~(VER_FLG_BASE | VER_FLG_WEAK)) |
| strcat (buff, "| <unknown>"); |
| |
| return buff; |
| } |
| |
| /* Display the contents of the version sections. */ |
| static int |
| process_version_sections (file) |
| FILE * file; |
| { |
| Elf32_Internal_Shdr * section; |
| unsigned i; |
| int found = 0; |
| |
| if (! do_version) |
| return 1; |
| |
| for (i = 0, section = section_headers; |
| i < elf_header.e_shnum; |
| i++, section ++) |
| { |
| switch (section->sh_type) |
| { |
| case SHT_GNU_verdef: |
| { |
| Elf_External_Verdef * edefs; |
| unsigned int idx; |
| unsigned int cnt; |
| |
| found = 1; |
| |
| printf |
| (_("\nVersion definition section '%s' contains %ld entries:\n"), |
| SECTION_NAME (section), section->sh_info); |
| |
| printf (_(" Addr: 0x")); |
| printf_vma (section->sh_addr); |
| printf (_(" Offset: %#08lx Link: %lx (%s)\n"), |
| (unsigned long) section->sh_offset, section->sh_link, |
| SECTION_NAME (section_headers + section->sh_link)); |
| |
| GET_DATA_ALLOC (section->sh_offset, section->sh_size, |
| edefs, Elf_External_Verdef *, |
| "version definition section"); |
| |
| for (idx = cnt = 0; cnt < section->sh_info; ++ cnt) |
| { |
| char * vstart; |
| Elf_External_Verdef * edef; |
| Elf_Internal_Verdef ent; |
| Elf_External_Verdaux * eaux; |
| Elf_Internal_Verdaux aux; |
| int j; |
| int isum; |
| |
| vstart = ((char *) edefs) + idx; |
| |
| edef = (Elf_External_Verdef *) vstart; |
| |
| ent.vd_version = BYTE_GET (edef->vd_version); |
| ent.vd_flags = BYTE_GET (edef->vd_flags); |
| ent.vd_ndx = BYTE_GET (edef->vd_ndx); |
| ent.vd_cnt = BYTE_GET (edef->vd_cnt); |
| ent.vd_hash = BYTE_GET (edef->vd_hash); |
| ent.vd_aux = BYTE_GET (edef->vd_aux); |
| ent.vd_next = BYTE_GET (edef->vd_next); |
| |
| printf (_(" %#06x: Rev: %d Flags: %s"), |
| idx, ent.vd_version, get_ver_flags (ent.vd_flags)); |
| |
| printf (_(" Index: %d Cnt: %d "), |
| ent.vd_ndx, ent.vd_cnt); |
| |
| vstart += ent.vd_aux; |
| |
| eaux = (Elf_External_Verdaux *) vstart; |
| |
| aux.vda_name = BYTE_GET (eaux->vda_name); |
| aux.vda_next = BYTE_GET (eaux->vda_next); |
| |
| if (dynamic_strings) |
| printf (_("Name: %s\n"), dynamic_strings + aux.vda_name); |
| else |
| printf (_("Name index: %ld\n"), aux.vda_name); |
| |
| isum = idx + ent.vd_aux; |
| |
| for (j = 1; j < ent.vd_cnt; j ++) |
| { |
| isum += aux.vda_next; |
| vstart += aux.vda_next; |
| |
| eaux = (Elf_External_Verdaux *) vstart; |
| |
| aux.vda_name = BYTE_GET (eaux->vda_name); |
| aux.vda_next = BYTE_GET (eaux->vda_next); |
| |
| if (dynamic_strings) |
| printf (_(" %#06x: Parent %d: %s\n"), |
| isum, j, dynamic_strings + aux.vda_name); |
| else |
| printf (_(" %#06x: Parent %d, name index: %ld\n"), |
| isum, j, aux.vda_name); |
| } |
| |
| idx += ent.vd_next; |
| } |
| |
| free (edefs); |
| } |
| break; |
| |
| case SHT_GNU_verneed: |
| { |
| Elf_External_Verneed * eneed; |
| unsigned int idx; |
| unsigned int cnt; |
| |
| found = 1; |
| |
| printf (_("\nVersion needs section '%s' contains %ld entries:\n"), |
| SECTION_NAME (section), section->sh_info); |
| |
| printf (_(" Addr: 0x")); |
| printf_vma (section->sh_addr); |
| printf (_(" Offset: %#08lx Link to section: %ld (%s)\n"), |
| (unsigned long) section->sh_offset, section->sh_link, |
| SECTION_NAME (section_headers + section->sh_link)); |
| |
| GET_DATA_ALLOC (section->sh_offset, section->sh_size, |
| eneed, Elf_External_Verneed *, |
| "version need section"); |
| |
| for (idx = cnt = 0; cnt < section->sh_info; ++cnt) |
| { |
| Elf_External_Verneed * entry; |
| Elf_Internal_Verneed ent; |
| int j; |
| int isum; |
| char * vstart; |
| |
| vstart = ((char *) eneed) + idx; |
| |
| entry = (Elf_External_Verneed *) vstart; |
| |
| ent.vn_version = BYTE_GET (entry->vn_version); |
| ent.vn_cnt = BYTE_GET (entry->vn_cnt); |
| ent.vn_file = BYTE_GET (entry->vn_file); |
| ent.vn_aux = BYTE_GET (entry->vn_aux); |
| ent.vn_next = BYTE_GET (entry->vn_next); |
| |
| printf (_(" %#06x: Version: %d"), idx, ent.vn_version); |
| |
| if (dynamic_strings) |
| printf (_(" File: %s"), dynamic_strings + ent.vn_file); |
| else |
| printf (_(" File: %lx"), ent.vn_file); |
| |
| printf (_(" Cnt: %d\n"), ent.vn_cnt); |
| |
| vstart += ent.vn_aux; |
| |
| for (j = 0, isum = idx + ent.vn_aux; j < ent.vn_cnt; ++j) |
| { |
| Elf_External_Vernaux * eaux; |
| Elf_Internal_Vernaux aux; |
| |
| eaux = (Elf_External_Vernaux *) vstart; |
| |
| aux.vna_hash = BYTE_GET (eaux->vna_hash); |
| aux.vna_flags = BYTE_GET (eaux->vna_flags); |
| aux.vna_other = BYTE_GET (eaux->vna_other); |
| aux.vna_name = BYTE_GET (eaux->vna_name); |
| aux.vna_next = BYTE_GET (eaux->vna_next); |
| |
| if (dynamic_strings) |
| printf (_(" %#06x: Name: %s"), |
| isum, dynamic_strings + aux.vna_name); |
| else |
| printf (_(" %#06x: Name index: %lx"), |
| isum, aux.vna_name); |
| |
| printf (_(" Flags: %s Version: %d\n"), |
| get_ver_flags (aux.vna_flags), aux.vna_other); |
| |
| isum += aux.vna_next; |
| vstart += aux.vna_next; |
| } |
| |
| idx += ent.vn_next; |
| } |
| |
| free (eneed); |
| } |
| break; |
| |
| case SHT_GNU_versym: |
| { |
| Elf32_Internal_Shdr * link_section; |
| int total; |
| int cnt; |
| unsigned char * edata; |
| unsigned short * data; |
| char * strtab; |
| Elf_Internal_Sym * symbols; |
| Elf32_Internal_Shdr * string_sec; |
| |
| link_section = section_headers + section->sh_link; |
| total = section->sh_size / section->sh_entsize; |
| |
| found = 1; |
| |
| 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; |
| |
| GET_DATA_ALLOC (string_sec->sh_offset, string_sec->sh_size, |
| strtab, char *, "version string table"); |
| |
| 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)); |
| |
| GET_DATA_ALLOC (version_info [DT_VERSIONTAGIDX (DT_VERSYM)] |
| - loadaddr, |
| total * sizeof (short), edata, |
| unsigned char *, "version symbol data"); |
| |
| data = (unsigned short *) malloc (total * sizeof (short)); |
| |
| for (cnt = total; cnt --;) |
| data [cnt] = byte_get (edata + cnt * sizeof (short), |
| sizeof (short)); |
| |
| free (edata); |
| |
| for (cnt = 0; cnt < total; cnt += 4) |
| { |
| int j, nn; |
| |
| 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' : ' '); |
| |
| if (symbols [cnt + j].st_shndx < SHN_LORESERVE |
| && section_headers[symbols [cnt + j].st_shndx].sh_type |
| == SHT_NOBITS) |
| { |
| /* We must test both. */ |
| Elf_Internal_Verneed ivn; |
| unsigned long offset; |
| |
| offset = version_info [DT_VERSIONTAGIDX (DT_VERNEED)] |
| - loadaddr; |
| |
| do |
| { |
| Elf_External_Verneed evn; |
| Elf_External_Vernaux evna; |
| Elf_Internal_Vernaux ivna; |
| unsigned long vna_off; |
| |
| GET_DATA (offset, evn, "version need"); |
| |
| ivn.vn_aux = BYTE_GET (evn.vn_aux); |
| ivn.vn_next = BYTE_GET (evn.vn_next); |
| |
| vna_off = offset + ivn.vn_aux; |
| |
| do |
| { |
| GET_DATA (vna_off, evna, |
| "version need aux (1)"); |
| |
| ivna.vna_next = BYTE_GET (evna.vna_next); |
| ivna.vna_other = BYTE_GET (evna.vna_other); |
| |
| vna_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); |
| |
| nn += printf ("(%s%-*s", |
| strtab + ivna.vna_name, |
| 12 - strlen (strtab |
| + ivna.vna_name), |
| ")"); |
| break; |
| } |
| else if (ivn.vn_next == 0) |
| { |
| if (data [cnt + j] != 0x8001) |
| { |
| Elf_Internal_Verdef ivd; |
| Elf_External_Verdef evd; |
| |
| offset = version_info |
| [DT_VERSIONTAGIDX (DT_VERDEF)] |
| - loadaddr; |
| |
| do |
| { |
| GET_DATA (offset, evd, |
| "version definition"); |
| |
| 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 (offset + ivd.vd_aux, evda, |
| "version definition aux"); |
| |
| ivda.vda_name = |
| BYTE_GET (evda.vda_name); |
| |
| nn += |
| printf ("(%s%-*s", |
| strtab + ivda.vda_name, |
| 12 |
| - strlen (strtab |
| + ivda.vda_name), |
| ")"); |
| } |
| } |
| |
| break; |
| } |
| else |
| offset += ivn.vn_next; |
| } |
| while (ivn.vn_next); |
| } |
| else if (symbols [cnt + j].st_shndx == SHN_UNDEF) |
| { |
| Elf_Internal_Verneed ivn; |
| unsigned long offset; |
| |
| offset = version_info [DT_VERSIONTAGIDX (DT_VERNEED)] |
| - loadaddr; |
| |
| do |
| { |
| Elf_Internal_Vernaux ivna; |
| Elf_External_Verneed evn; |
| Elf_External_Vernaux evna; |
| unsigned long a_off; |
| |
| GET_DATA (offset, evn, "version need"); |
| |
| ivn.vn_aux = BYTE_GET (evn.vn_aux); |
| ivn.vn_next = BYTE_GET (evn.vn_next); |
| |
| a_off = offset + ivn.vn_aux; |
| |
| do |
| { |
| GET_DATA (a_off, evna, |
| "version need aux (2)"); |
| |
| ivna.vna_next = BYTE_GET (evna.vna_next); |
| ivna.vna_other = BYTE_GET (evna.vna_other); |
| |
| a_off += ivna.vna_next; |
| } |
| while (ivna.vna_other != data [cnt + j] |
| && ivna.vna_next != 0); |
| |
| if (ivna.vna_other == data [cnt + j]) |
| { |
| ivna.vna_name = BYTE_GET (evna.vna_name); |
| |
| nn += printf ("(%s%-*s", |
| strtab + ivna.vna_name, |
| 12 - strlen (strtab |
| + ivna.vna_name), |
| ")"); |
| break; |
| } |
| |
| offset += ivn.vn_next; |
| } |
| while (ivn.vn_next); |
| } |
| else if (data [cnt + j] != 0x8001) |
| { |
| Elf_Internal_Verdef ivd; |
| Elf_External_Verdef evd; |
| unsigned long offset; |
| |
| offset = version_info |
| [DT_VERSIONTAGIDX (DT_VERDEF)] - loadaddr; |
| |
| do |
| { |
| GET_DATA (offset, evd, "version def"); |
| |
| ivd.vd_next = BYTE_GET (evd.vd_next); |
| ivd.vd_ndx = BYTE_GET (evd.vd_ndx); |
| |
| offset += ivd.vd_next; |
| } |
| while (ivd.vd_ndx != (data [cnt + j] & 0x7fff) |
| && ivd.vd_next != 0); |
| |
| if (ivd.vd_ndx == (data [cnt + j] & 0x7fff)) |
| { |
| Elf_External_Verdaux evda; |
| Elf_Internal_Verdaux ivda; |
| |
| ivd.vd_aux = BYTE_GET (evd.vd_aux); |
| |
| GET_DATA (offset - ivd.vd_next + ivd.vd_aux, |
| evda, "version def aux"); |
| |
| ivda.vda_name = BYTE_GET (evda.vda_name); |
| |
| nn += printf ("(%s%-*s", |
| strtab + ivda.vda_name, |
| 12 - strlen (strtab |
| + ivda.vda_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 char * |
| get_symbol_binding (binding) |
| unsigned int binding; |
| { |
| static char buff [32]; |
| |
| switch (binding) |
| { |
| case STB_LOCAL: return _("LOCAL"); |
| case STB_GLOBAL: return _("GLOBAL"); |
| case STB_WEAK: return _("WEAK"); |
| default: |
| if (binding >= STB_LOPROC && binding <= STB_HIPROC) |
| sprintf (buff, _("<processor specific>: %d"), binding); |
| else if (binding >= STB_LOOS && binding <= STB_HIOS) |
| sprintf (buff, _("<OS specific>: %d"), binding); |
| else |
| sprintf (buff, _("<unknown>: %d"), binding); |
| return buff; |
| } |
| } |
| |
| static char * |
| get_symbol_type (type) |
| unsigned int type; |
| { |
| static char buff [32]; |
| |
| switch (type) |
| { |
| case STT_NOTYPE: return _("NOTYPE"); |
| case STT_OBJECT: return _("OBJECT"); |
| case STT_FUNC: return _("FUNC"); |
| case STT_SECTION: return _("SECTION"); |
| case STT_FILE: return _("FILE"); |
| default: |
| if (type >= STT_LOPROC && type <= STT_HIPROC) |
| { |
| if (elf_header.e_machine == EM_ARM && type == STT_ARM_TFUNC) |
| return _("THUMB_FUNC"); |
| |
| sprintf (buff, _("<processor specific>: %d"), type); |
| } |
| else if (type >= STT_LOOS && type <= STT_HIOS) |
| sprintf (buff, _("<OS specific>: %d"), type); |
| else |
| sprintf (buff, _("<unknown>: %d"), type); |
| return buff; |
| } |
| } |
| |
| static char * |
| get_symbol_index_type (type) |
| unsigned int type; |
| { |
| switch (type) |
| { |
| case SHN_UNDEF: return "UND"; |
| case SHN_ABS: return "ABS"; |
| case SHN_COMMON: return "COM"; |
| default: |
| if (type >= SHN_LOPROC && type <= SHN_HIPROC) |
| return "PRC"; |
| else if (type >= SHN_LORESERVE && type <= SHN_HIRESERVE) |
| return "RSV"; |
| else if (type >= SHN_LOOS && type <= SHN_HIOS) |
| return "OS "; |
| else |
| { |
| static char buff [32]; |
| |
| sprintf (buff, "%3d", type); |
| return buff; |
| } |
| } |
| } |
| |
| |
| static int * |
| get_dynamic_data (file, number) |
| FILE * file; |
| unsigned int number; |
| { |
| char * e_data; |
| int * i_data; |
| |
| e_data = (char *) malloc (number * 4); |
| |
| if (e_data == NULL) |
| { |
| error (_("Out of memory\n")); |
| return NULL; |
| } |
| |
| if (fread (e_data, 4, number, file) != number) |
| { |
| error (_("Unable to read in dynamic data\n")); |
| return NULL; |
| } |
| |
| i_data = (int *) malloc (number * sizeof (* i_data)); |
| |
| if (i_data == NULL) |
| { |
| error (_("Out of memory\n")); |
| free (e_data); |
| return NULL; |
| } |
| |
| while (number--) |
| i_data [number] = byte_get (e_data + number * 4, 4); |
| |
| free (e_data); |
| |
| return i_data; |
| } |
| |
| /* Dump the symbol table */ |
| static int |
| process_symbol_table (file) |
| FILE * file; |
| { |
| Elf32_Internal_Shdr * section; |
| char nb [4]; |
| char nc [4]; |
| int nbuckets; |
| int nchains; |
| int * buckets = NULL; |
| int * chains = NULL; |
| |
| if (! do_syms && !do_histogram) |
| return 1; |
| |
| if (dynamic_info[DT_HASH] && ((do_using_dynamic && dynamic_strings != NULL) |
| || do_histogram)) |
| { |
| if (fseek (file, dynamic_info[DT_HASH] - loadaddr, SEEK_SET)) |
| { |
| error (_("Unable to seek to start of dynamic information")); |
| return 0; |
| } |
| |
| if (fread (nb, sizeof (nb), 1, file) != 1) |
| { |
| error (_("Failed to read in number of buckets\n")); |
| return 0; |
| } |
| |
| if (fread (nc, sizeof (nc), 1, file) != 1) |
| { |
| error (_("Failed to read in number of chains\n")); |
| return 0; |
| } |
| |
| nbuckets = byte_get (nb, 4); |
| nchains = byte_get (nc, 4); |
| |
| buckets = get_dynamic_data (file, nbuckets); |
| chains = get_dynamic_data (file, nchains); |
| |
| if (buckets == NULL || chains == NULL) |
| return 0; |
| } |
| |
| if (do_syms |
| && dynamic_info[DT_HASH] && do_using_dynamic && dynamic_strings != NULL) |
| { |
| int hn; |
| int si; |
| |
| printf (_("\nSymbol table for image:\n")); |
| printf (_(" Num Buc: Value Size Type Bind Ot Ndx Name\n")); |
| |
| for (hn = 0; hn < nbuckets; hn++) |
| { |
| if (! buckets [hn]) |
| continue; |
| |
| for (si = buckets [hn]; si; si = chains [si]) |
| { |
| Elf_Internal_Sym * psym; |
| |
| psym = dynamic_symbols + si; |
| |
| printf (" %3d %3d: %8lx %5ld %6s %6s %2d ", |
| si, hn, |
| (unsigned long) psym->st_value, |
| (unsigned long) psym->st_size, |
| get_symbol_type (ELF_ST_TYPE (psym->st_info)), |
| get_symbol_binding (ELF_ST_BIND (psym->st_info)), |
| psym->st_other); |
| |
| printf ("%3.3s", get_symbol_index_type (psym->st_shndx)); |
| |
| printf (" %s\n", dynamic_strings + psym->st_name); |
| } |
| } |
| } |
| else if (do_syms && !do_using_dynamic) |
| { |
| unsigned int i; |
| |
| for (i = 0, section = section_headers; |
| i < elf_header.e_shnum; |
| i++, section++) |
| { |
| unsigned int si; |
| char * strtab; |
| Elf_Internal_Sym * symtab; |
| Elf_Internal_Sym * psym; |
| |
| |
| if ( section->sh_type != SHT_SYMTAB |
| && section->sh_type != SHT_DYNSYM) |
| continue; |
| |
| printf (_("\nSymbol table '%s' contains %lu entries:\n"), |
| SECTION_NAME (section), |
| (unsigned long) (section->sh_size / section->sh_entsize)); |
| fputs (_(" Num: Value Size Type Bind Ot Ndx Name\n"), |
| stdout); |
| |
| symtab = GET_ELF_SYMBOLS (file, section->sh_offset, |
| section->sh_size / section->sh_entsize); |
| if (symtab == NULL) |
| continue; |
| |
| if (section->sh_link == elf_header.e_shstrndx) |
| strtab = string_table; |
| else |
| { |
| Elf32_Internal_Shdr * string_sec; |
| |
| string_sec = section_headers + section->sh_link; |
| |
| GET_DATA_ALLOC (string_sec->sh_offset, string_sec->sh_size, |
| strtab, char *, "string table"); |
| } |
| |
| for (si = 0, psym = symtab; |
| si < section->sh_size / section->sh_entsize; |
| si ++, psym ++) |
| { |
| printf (" %3d: %8lx %5ld %-7s %-6s %2d ", |
| si, |
| (unsigned long) psym->st_value, |
| (unsigned long) psym->st_size, |
| get_symbol_type (ELF_ST_TYPE (psym->st_info)), |
| get_symbol_binding (ELF_ST_BIND (psym->st_info)), |
| psym->st_other); |
| |
| printf ("%4s", get_symbol_index_type (psym->st_shndx)); |
| |
| printf (" %s", strtab + psym->st_name); |
| |
| if (section->sh_type == SHT_DYNSYM && |
| version_info [DT_VERSIONTAGIDX (DT_VERSYM)] != 0) |
| { |
| unsigned char data[2]; |
| unsigned short vers_data; |
| unsigned long offset; |
| int is_nobits; |
| int check_def; |
| |
| offset = version_info [DT_VERSIONTAGIDX (DT_VERSYM)] |
| - loadaddr; |
| |
| GET_DATA (offset + si * sizeof (vers_data), data, |
| "version data"); |
| |
| vers_data = byte_get (data, 2); |
| |
| is_nobits = psym->st_shndx < SHN_LORESERVE ? |
| (section_headers [psym->st_shndx].sh_type == SHT_NOBITS) |
| : 0; |
| |
| check_def = (psym->st_shndx != SHN_UNDEF); |
| |
| if ((vers_data & 0x8000) || vers_data > 1) |
| { |
| if (is_nobits || ! check_def) |
| { |
| Elf_External_Verneed evn; |
| Elf_Internal_Verneed ivn; |
| Elf_Internal_Vernaux ivna; |
| |
| /* We must test both. */ |
| offset = version_info |
| [DT_VERSIONTAGIDX (DT_VERNEED)] - loadaddr; |
| |
| GET_DATA (offset, evn, "version need"); |
| |
| ivn.vn_aux = BYTE_GET (evn.vn_aux); |
| ivn.vn_next = BYTE_GET (evn.vn_next); |
| |
| do |
| { |
| unsigned long vna_off; |
| |
| vna_off = offset + ivn.vn_aux; |
| |
| do |
| { |
| Elf_External_Vernaux evna; |
| |
| GET_DATA (vna_off, evna, |
| "version need aux (3)"); |
| |
| ivna.vna_other = BYTE_GET (evna.vna_other); |
| ivna.vna_next = BYTE_GET (evna.vna_next); |
| ivna.vna_name = BYTE_GET (evna.vna_name); |
| |
| vna_off += ivna.vna_next; |
| } |
| while (ivna.vna_other != vers_data |
| && ivna.vna_next != 0); |
| |
| if (ivna.vna_other == vers_data) |
| break; |
| |
| offset += ivn.vn_next; |
| } |
| while (ivn.vn_next != 0); |
| |
| if (ivna.vna_other == vers_data) |
| { |
| printf ("@%s (%d)", |
| strtab + ivna.vna_name, ivna.vna_other); |
| check_def = 0; |
| } |
| else if (! is_nobits) |
| error (_("bad dynamic symbol")); |
| else |
| check_def = 1; |
| } |
| |
| if (check_def) |
| { |
| if (vers_data != 0x8001) |
| { |
| Elf_Internal_Verdef ivd; |
| Elf_Internal_Verdaux ivda; |
| Elf_External_Verdaux evda; |
| unsigned long offset; |
| |
| offset = |
| version_info [DT_VERSIONTAGIDX (DT_VERDEF)] |
| - loadaddr; |
| |
| do |
| { |
| Elf_External_Verdef evd; |
| |
| GET_DATA (offset, evd, "version def"); |
| |
| ivd.vd_ndx = BYTE_GET (evd.vd_ndx); |
| ivd.vd_aux = BYTE_GET (evd.vd_aux); |
| ivd.vd_next = BYTE_GET (evd.vd_next); |
| |
| offset += ivd.vd_next; |
| } |
| while (ivd.vd_ndx != (vers_data & 0x7fff) |
| && ivd.vd_next != 0); |
| |
| offset -= ivd.vd_next; |
| offset += ivd.vd_aux; |
| |
| GET_DATA (offset, evda, "version def aux"); |
| |
| ivda.vda_name = BYTE_GET (evda.vda_name); |
| |
| if (psym->st_name != ivda.vda_name) |
| printf ((vers_data & 0x8000) |
| ? "@%s" : "@@%s", |
| strtab + ivda.vda_name); |
| } |
| } |
| } |
| } |
| |
| putchar ('\n'); |
| } |
| |
| free (symtab); |
| if (strtab != string_table) |
| free (strtab); |
| } |
| } |
| else if (do_syms) |
| printf |
| (_("\nDynamic symbol information is not available for displaying symbols.\n")); |
| |
| if (do_histogram && buckets != NULL) |
| { |
| int *lengths; |
| int *counts; |
| int hn; |
| int si; |
| int maxlength = 0; |
| int nzero_counts = 0; |
| int nsyms = 0; |
| |
| printf (_("\nHistogram for bucket list length (total of %d buckets):\n"), |
| nbuckets); |
| printf (_(" Length Number %% of total Coverage\n")); |
| |
| lengths = (int *) calloc (nbuckets, sizeof (int)); |
| if (lengths == NULL) |
| { |
| error (_("Out of memory")); |
| return 0; |
| } |
| for (hn = 0; hn < nbuckets; ++hn) |
| { |
| if (! buckets [hn]) |
| continue; |
| |
| for (si = buckets[hn]; si; si = chains[si]) |
| { |
| ++nsyms; |
| if (maxlength < ++lengths[hn]) |
| ++maxlength; |
| } |
| } |
| |
| counts = (int *) calloc (maxlength + 1, sizeof (int)); |
| if (counts == NULL) |
| { |
| error (_("Out of memory")); |
| return 0; |
| } |
| |
| for (hn = 0; hn < nbuckets; ++hn) |
| ++ counts [lengths [hn]]; |
| |
| printf (" 0 %-10d (%5.1f%%)\n", |
| counts[0], (counts[0] * 100.0) / nbuckets); |
| for (si = 1; si <= maxlength; ++si) |
| { |
| nzero_counts += counts[si] * si; |
| printf ("%7d %-10d (%5.1f%%) %5.1f%%\n", |
| si, counts[si], (counts[si] * 100.0) / nbuckets, |
| (nzero_counts * 100.0) / nsyms); |
| } |
| |
| free (counts); |
| free (lengths); |
| } |
| |
| if (buckets != NULL) |
| { |
| free (buckets); |
| free (chains); |
| } |
| |
| return 1; |
| } |
| |
| static int |
| process_syminfo (file) |
| FILE * file; |
| { |
| int i; |
| |
| if (dynamic_syminfo == NULL |
| || !do_dynamic) |
| /* No syminfo, this is ok. */ |
| return 1; |
| |
| /* There better should be a dynamic symbol section. */ |
| if (dynamic_symbols == NULL || dynamic_strings == NULL) |
| return 0; |
| |
| if (dynamic_addr) |
| printf (_("\nDynamic info segment at offset 0x%lx contains %d entries:\n"), |
| dynamic_syminfo_offset, dynamic_syminfo_nent); |
| |
| printf (_(" Num: Name BoundTo Flags\n")); |
| for (i = 0; i < dynamic_syminfo_nent; ++i) |
| { |
| unsigned short int flags = dynamic_syminfo[i].si_flags; |
| |
| printf ("%4d: %-30s ", i, |
| dynamic_strings + dynamic_symbols[i].st_name); |
| |
| switch (dynamic_syminfo[i].si_boundto) |
| { |
| case SYMINFO_BT_SELF: |
| fputs ("SELF ", stdout); |
| break; |
| case SYMINFO_BT_PARENT: |
| fputs ("PARENT ", stdout); |
| break; |
| default: |
| if (dynamic_syminfo[i].si_boundto > 0 |
| && dynamic_syminfo[i].si_boundto < dynamic_size) |
| printf ("%-10s ", |
| dynamic_strings |
| + dynamic_segment[dynamic_syminfo[i].si_boundto].d_un.d_val); |
| else |
| printf ("%-10d ", dynamic_syminfo[i].si_boundto); |
| break; |
| } |
| |
| if (flags & SYMINFO_FLG_DIRECT) |
| printf (" DIRECT"); |
| if (flags & SYMINFO_FLG_PASSTHRU) |
| printf (" PASSTHRU"); |
| if (flags & SYMINFO_FLG_COPY) |
| printf (" COPY"); |
| if (flags & SYMINFO_FLG_LAZYLOAD) |
| printf (" LAZYLOAD"); |
| |
| puts (""); |
| } |
| |
| return 1; |
| } |
| |
| #ifdef SUPPORT_DISASSEMBLY |
| static void |
| disassemble_section (section, file) |
| Elf32_Internal_Shdr * section; |
| FILE * file; |
| { |
| printf (_("\nAssembly dump of section %s\n"), |
| SECTION_NAME (section)); |
| |
| /* XXX -- to be done --- XXX */ |
| |
| return 1; |
| } |
| #endif |
| |
| static int |
| dump_section (section, file) |
| Elf32_Internal_Shdr * section; |
| FILE * file; |
| { |
| bfd_size_type bytes; |
| bfd_vma addr; |
| unsigned char * data; |
| unsigned char * start; |
| |
| bytes = section->sh_size; |
| |
| if (bytes == 0) |
| { |
| printf (_("\nSection '%s' has no data to dump.\n"), |
| SECTION_NAME (section)); |
| return 0; |
| } |
| else |
| printf (_("\nHex dump of section '%s':\n"), SECTION_NAME (section)); |
| |
| addr = section->sh_addr; |
| |
| GET_DATA_ALLOC (section->sh_offset, bytes, start, unsigned char *, |
| "section data"); |
| |
| data = start; |
| |
| while (bytes) |
| { |
| int j; |
| int k; |
| int lbytes; |
| |
| lbytes = (bytes > 16 ? 16 : bytes); |
| |
| printf (" 0x%8.8lx ", (unsigned long) addr); |
| |
| switch (elf_header.e_ident [EI_DATA]) |
| { |
| default: |
| case ELFDATA2LSB: |
| for (j = 15; j >= 0; j --) |
| { |
| if (j < lbytes) |
| printf ("%2.2x", data [j]); |
| else |
| printf (" "); |
| |
| if (!(j & 0x3)) |
| printf (" "); |
| } |
| break; |
| |
| case ELFDATA2MSB: |
| for (j = 0; j < 16; j++) |
| { |
| if (j < lbytes) |
| printf ("%2.2x", data [j]); |
| else |
| printf (" "); |
| |
| if ((j & 3) == 3) |
| printf (" "); |
| } |
| break; |
| } |
| |
| for (j = 0; j < lbytes; j++) |
| { |
| k = data [j]; |
| if (k >= ' ' && k < 0x80) |
| printf ("%c", k); |
| else |
| printf ("."); |
| } |
| |
| putchar ('\n'); |
| |
| data += lbytes; |
| addr += lbytes; |
| bytes -= lbytes; |
| } |
| |
| free (start); |
| |
| return 1; |
| } |
| |
| |
| static unsigned long int |
| read_leb128 (data, length_return, sign) |
| unsigned char * data; |
| int * length_return; |
| int sign; |
| { |
| unsigned long int result = 0; |
| unsigned int num_read = 0; |
| int shift = 0; |
| unsigned char byte; |
| |
| do |
| { |
| byte = * data ++; |
| num_read ++; |
| |
| result |= (byte & 0x7f) << shift; |
| |
| shift += 7; |
| |
| } |
| while (byte & 0x80); |
| |
| if (length_return != NULL) |
| * length_return = num_read; |
| |
| if (sign && (shift < 32) && (byte & 0x40)) |
| result |= -1 << shift; |
| |
| return result; |
| } |
| |
| typedef struct State_Machine_Registers |
| { |
| unsigned long address; |
| unsigned int file; |
| unsigned int line; |
| unsigned int column; |
| int is_stmt; |
| int basic_block; |
| int end_sequence; |
| /* This variable hold the number of the last entry seen |
| in the File Table. */ |
| unsigned int last_file_entry; |
| } SMR; |
| |
| static SMR state_machine_regs; |
| |
| static void |
| reset_state_machine (is_stmt) |
| int is_stmt; |
| { |
| state_machine_regs.address = 0; |
| state_machine_regs.file = 1; |
| state_machine_regs.line = 1; |
| state_machine_regs.column = 0; |
| state_machine_regs.is_stmt = is_stmt; |
| state_machine_regs.basic_block = 0; |
| state_machine_regs.end_sequence = 0; |
| state_machine_regs.last_file_entry = 0; |
| } |
| |
| /* Handled an extend line op. Returns true if this is the end |
| of sequence. */ |
| static int |
| process_extended_line_op (data, is_stmt) |
| unsigned char * data; |
| int is_stmt; |
| { |
| unsigned char op_code; |
| int bytes_read; |
| unsigned int len; |
| unsigned char * name; |
| unsigned long adr; |
| |
| len = read_leb128 (data, & bytes_read, 0); |
| data += bytes_read; |
| |
| if (len == 0) |
| { |
| warn (_("badly formed extended line op encountered!")); |
| 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: |
| /* XXX - assumption here that address size is 4! */ |
| adr = byte_get (data, 4); |
| 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; |
| 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 int |
| display_debug_lines (section, start, file) |
| Elf32_Internal_Shdr * section; |
| unsigned char * start; |
| FILE * file; |
| { |
| DWARF2_External_LineInfo * external; |
| DWARF2_Internal_LineInfo info; |
| unsigned char * standard_opcodes; |
| unsigned char * data = start; |
| unsigned char * end = start + section->sh_size; |
| unsigned char * end_of_sequence; |
| int i; |
| |
| printf (_("\nDump of debug contents of section %s:\n\n"), |
| SECTION_NAME (section)); |
| |
| while (data < end) |
| { |
| external = (DWARF2_External_LineInfo *) data; |
| |
| /* Check the length of the block. */ |
| info.li_length = BYTE_GET (external->li_length); |
| if (info.li_length > section->sh_size) |
| { |
| warn |
| (_("The line info appears to be corrupt - the section is too small\n")); |
| return 0; |
| } |
| |
| /* Check its version number. */ |
| info.li_version = BYTE_GET (external->li_version); |
| if (info.li_version != 2) |
| { |
| warn (_("Only DWARF version 2 line info is currently supported.\n")); |
| return 0; |
| } |
| |
| info.li_prologue_length = BYTE_GET (external->li_prologue_length); |
| info.li_min_insn_length = BYTE_GET (external->li_min_insn_length); |
| info.li_default_is_stmt = BYTE_GET (external->li_default_is_stmt); |
| info.li_line_base = BYTE_GET (external->li_line_base); |
| info.li_line_range = BYTE_GET (external->li_line_range); |
| info.li_opcode_base = BYTE_GET (external->li_opcode_base); |
| |
| /* Sign extend the line base field. */ |
| info.li_line_base <<= 24; |
| info.li_line_base >>= 24; |
| |
| printf (_(" Length: %ld\n"), info.li_length); |
| printf (_(" DWARF Version: %d\n"), info.li_version); |
| printf (_(" Prolgue Length: %d\n"), info.li_prologue_length); |
| printf (_(" Minimum Instruction Length: %d\n"), info.li_min_insn_length); |
| printf (_(" Initial value of 'is_stmt': %d\n"), info.li_default_is_stmt); |
| printf (_(" Line Base: %d\n"), info.li_line_base); |
| printf (_(" Line Range: %d\n"), info.li_line_range); |
| printf (_(" Opcode Base: %d\n"), info.li_opcode_base); |
| |
| end_of_sequence = data + info.li_length + sizeof (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]); |
| |
| /* 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")); |
| else |
| { |
| 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)); |
| data += bytes_read; |
| printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); |
| data += bytes_read; |
| printf (_("%s\n"), name); |
| } |
| } |
| |
| /* Skip the NUL at the end of the table. */ |
| data ++; |
| |
| /* Now display the statements. */ |
| printf (_("\n Line Number Statements:\n")); |
| |
| |
| while (data < end_of_sequence) |
| { |
| unsigned char op_code; |
| int adv; |
| int bytes_read; |
| |
| op_code = * data ++; |
| |
| switch (op_code) |
| { |
| case DW_LNS_extended_op: |
| data += process_extended_line_op (data, info.li_default_is_stmt); |
| 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; |
| 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; |
| |
| 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; |
| state_machine_regs.line += adv; |
| printf (_(" and Line by %d to %d\n"), |
| adv, state_machine_regs.line); |
| break; |
| } |
| } |
| printf ("\n"); |
| } |
| |
| return 1; |
| } |
| |
| static int |
| display_debug_pubnames (section, start, file) |
| Elf32_Internal_Shdr * section; |
| unsigned char * start; |
| FILE * file; |
| { |
| DWARF2_External_PubNames * external; |
| DWARF2_Internal_PubNames pubnames; |
| unsigned char * end; |
| |
| end = start + section->sh_size; |
| |
| printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section)); |
| |
| while (start < end) |
| { |
| unsigned char * data; |
| unsigned long offset; |
| |
| external = (DWARF2_External_PubNames *) start; |
| |
| pubnames.pn_length = BYTE_GET (external->pn_length); |
| pubnames.pn_version = BYTE_GET (external->pn_version); |
| pubnames.pn_offset = BYTE_GET (external->pn_offset); |
| pubnames.pn_size = BYTE_GET (external->pn_size); |
| |
| data = start + sizeof (* external); |
| start += pubnames.pn_length + sizeof (external->pn_length); |
| |
| if (pubnames.pn_version != 2) |
| { |
| warn (_("Only DWARF 2 pubnames are currently supported")); |
| continue; |
| } |
| |
| printf (_(" Length: %ld\n"), |
| pubnames.pn_length); |
| printf (_(" Version: %d\n"), |
| pubnames.pn_version); |
| printf (_(" Offset into .debug_info section: %ld\n"), |
| pubnames.pn_offset); |
| printf (_(" Size of area in .debug_info section: %ld\n"), |
| pubnames.pn_size); |
| |
| printf (_("\n Offset\tName\n")); |
| |
| do |
| { |
| offset = byte_get (data, 4); |
| |
| if (offset != 0) |
| { |
| data += 4; |
| printf (" %ld\t\t%s\n", offset, data); |
| data += strlen (data) + 1; |
| } |
| } |
| while (offset != 0); |
| } |
| |
| printf ("\n"); |
| return 1; |
| } |
| |
| static char * |
| get_TAG_name (tag) |
| unsigned long tag; |
| { |
| switch (tag) |
| { |
| case DW_TAG_padding: return "DW_TAG_padding"; |
| case DW_TAG_array_type: return "DW_TAG_array_type"; |
| case DW_TAG_class_type: return "DW_TAG_class_type"; |
| case DW_TAG_entry_point: return "DW_TAG_entry_point"; |
| case DW_TAG_enumeration_type: return "DW_TAG_enumeration_type"; |
| case DW_TAG_formal_parameter: return "DW_TAG_formal_parameter"; |
| case DW_TAG_imported_declaration: return "DW_TAG_imported_declaration"; |
| case DW_TAG_label: return "DW_TAG_label"; |
| case DW_TAG_lexical_block: return "DW_TAG_lexical_block"; |
| case DW_TAG_member: return "DW_TAG_member"; |
| case DW_TAG_pointer_type: return "DW_TAG_pointer_type"; |
| case DW_TAG_reference_type: return "DW_TAG_reference_type"; |
| case DW_TAG_compile_unit: return "DW_TAG_compile_unit"; |
| case DW_TAG_string_type: return "DW_TAG_string_type"; |
| case DW_TAG_structure_type: return "DW_TAG_structure_type"; |
| case DW_TAG_subroutine_type: return "DW_TAG_subroutine_type"; |
| case DW_TAG_typedef: return "DW_TAG_typedef"; |
| case DW_TAG_union_type: return "DW_TAG_union_type"; |
| case DW_TAG_unspecified_parameters: return "DW_TAG_unspecified_parameters"; |
| case DW_TAG_variant: return "DW_TAG_variant"; |
| case DW_TAG_common_block: return "DW_TAG_common_block"; |
| case DW_TAG_common_inclusion: return "DW_TAG_common_inclusion"; |
| case DW_TAG_inheritance: return "DW_TAG_inheritance"; |
| case DW_TAG_inlined_subroutine: return "DW_TAG_inlined_subroutine"; |
| case DW_TAG_module: return "DW_TAG_module"; |
| case DW_TAG_ptr_to_member_type: return "DW_TAG_ptr_to_member_type"; |
| case DW_TAG_set_type: return "DW_TAG_set_type"; |
| case DW_TAG_subrange_type: return "DW_TAG_subrange_type"; |
| case DW_TAG_with_stmt: return "DW_TAG_with_stmt"; |
| case DW_TAG_access_declaration: return "DW_TAG_access_declaration"; |
| case DW_TAG_base_type: return "DW_TAG_base_type"; |
| case DW_TAG_catch_block: return "DW_TAG_catch_block"; |
| case DW_TAG_const_type: return "DW_TAG_const_type"; |
| case DW_TAG_constant: return "DW_TAG_constant"; |
| case DW_TAG_enumerator: return "DW_TAG_enumerator"; |
| case DW_TAG_file_type: return "DW_TAG_file_type"; |
| case DW_TAG_friend: return "DW_TAG_friend"; |
| case DW_TAG_namelist: return "DW_TAG_namelist"; |
| case DW_TAG_namelist_item: return "DW_TAG_namelist_item"; |
| case DW_TAG_packed_type: return "DW_TAG_packed_type"; |
| case DW_TAG_subprogram: return "DW_TAG_subprogram"; |
| case DW_TAG_template_type_param: return "DW_TAG_template_type_param"; |
| case DW_TAG_template_value_param: return "DW_TAG_template_value_param"; |
| case DW_TAG_thrown_type: return "DW_TAG_thrown_type"; |
| case DW_TAG_try_block: return "DW_TAG_try_block"; |
| case DW_TAG_variant_part: return "DW_TAG_variant_part"; |
| case DW_TAG_variable: return "DW_TAG_variable"; |
| case DW_TAG_volatile_type: return "DW_TAG_volatile_type"; |
| case DW_TAG_MIPS_loop: return "DW_TAG_MIPS_loop"; |
| case DW_TAG_format_label: return "DW_TAG_format_label"; |
| case DW_TAG_function_template: return "DW_TAG_function_template"; |
| case DW_TAG_class_template: return "DW_TAG_class_template"; |
| default: |
| { |
| static char buffer [100]; |
| |
| sprintf (buffer, _("Unknown TAG value: %lx"), tag); |
| return buffer; |
| } |
| } |
| } |
| |
| static char * |
| get_AT_name (attribute) |
| unsigned long attribute; |
| { |
| switch (attribute) |
| { |
| case DW_AT_sibling: return "DW_AT_sibling"; |
| case DW_AT_location: return "DW_AT_location"; |
| case DW_AT_name: return "DW_AT_name"; |
| case DW_AT_ordering: return "DW_AT_ordering"; |
| case DW_AT_subscr_data: return "DW_AT_subscr_data"; |
| case DW_AT_byte_size: return "DW_AT_byte_size"; |
| case DW_AT_bit_offset: return "DW_AT_bit_offset"; |
| case DW_AT_bit_size: return "DW_AT_bit_size"; |
| case DW_AT_element_list: return "DW_AT_element_list"; |
| case DW_AT_stmt_list: return "DW_AT_stmt_list"; |
| case DW_AT_low_pc: return "DW_AT_low_pc"; |
| case DW_AT_high_pc: return "DW_AT_high_pc"; |
| case DW_AT_language: return "DW_AT_language"; |
| case DW_AT_member: return "DW_AT_member"; |
| case DW_AT_discr: return "DW_AT_discr"; |
| case DW_AT_discr_value: return "DW_AT_discr_value"; |
| case DW_AT_visibility: return "DW_AT_visibility"; |
| case DW_AT_import: return "DW_AT_import"; |
| case DW_AT_string_length: return "DW_AT_string_length"; |
| case DW_AT_common_reference: return "DW_AT_common_reference"; |
| case DW_AT_comp_dir: return "DW_AT_comp_dir"; |
| case DW_AT_const_value: return "DW_AT_const_value"; |
| case DW_AT_containing_type: return "DW_AT_containing_type"; |
| case DW_AT_default_value: return "DW_AT_default_value"; |
| case DW_AT_inline: return "DW_AT_inline"; |
| case DW_AT_is_optional: return "DW_AT_is_optional"; |
| case DW_AT_lower_bound: return "DW_AT_lower_bound"; |
| case DW_AT_producer: return "DW_AT_producer"; |
| case DW_AT_prototyped: return "DW_AT_prototyped"; |
| case DW_AT_return_addr: return "DW_AT_return_addr"; |
| case DW_AT_start_scope: return "DW_AT_start_scope"; |
| case DW_AT_stride_size: return "DW_AT_stride_size"; |
| case DW_AT_upper_bound: return "DW_AT_upper_bound"; |
| case DW_AT_abstract_origin: return "DW_AT_abstract_origin"; |
| case DW_AT_accessibility: return "DW_AT_accessibility"; |
| case DW_AT_address_class: return "DW_AT_address_class"; |
| case DW_AT_artificial: return "DW_AT_artificial"; |
| case DW_AT_base_types: return "DW_AT_base_types"; |
| case DW_AT_calling_convention: return "DW_AT_calling_convention"; |
| case DW_AT_count: return "DW_AT_count"; |
| case DW_AT_data_member_location: return "DW_AT_data_member_location"; |
| case DW_AT_decl_column: return "DW_AT_decl_column"; |
| case DW_AT_decl_file: return "DW_AT_decl_file"; |
| case DW_AT_decl_line: return "DW_AT_decl_line"; |
| case DW_AT_declaration: return "DW_AT_declaration"; |
| case DW_AT_discr_list: return "DW_AT_discr_list"; |
| case DW_AT_encoding: return "DW_AT_encoding"; |
| case DW_AT_external: return "DW_AT_external"; |
| case DW_AT_frame_base: return "DW_AT_frame_base"; |
| case DW_AT_friend: return "DW_AT_friend"; |
| case DW_AT_identifier_case: return "DW_AT_identifier_case"; |
| case DW_AT_macro_info: return "DW_AT_macro_info"; |
| case DW_AT_namelist_items: return "DW_AT_namelist_items"; |
| case DW_AT_priority: return "DW_AT_priority"; |
| case DW_AT_segment: return "DW_AT_segment"; |
| case DW_AT_specification: return "DW_AT_specification"; |
| case DW_AT_static_link: return "DW_AT_static_link"; |
| case DW_AT_type: return "DW_AT_type"; |
| case DW_AT_use_location: return "DW_AT_use_location"; |
| case DW_AT_variable_parameter: return "DW_AT_variable_parameter"; |
| case DW_AT_virtuality: return "DW_AT_virtuality"; |
| case DW_AT_vtable_elem_location: return "DW_AT_vtable_elem_location"; |
| 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"; |
| default: |
| { |
| static char buffer [100]; |
| |
| sprintf (buffer, _("Unknown AT value: %lx"), attribute); |
| return buffer; |
| } |
| } |
| } |
| |
| static char * |
| get_FORM_name (form) |
| unsigned long form; |
| { |
| switch (form) |
| { |
| case DW_FORM_addr: return "DW_FORM_addr"; |
| case DW_FORM_block2: return "DW_FORM_block2"; |
| case DW_FORM_block4: return "DW_FORM_block4"; |
| case DW_FORM_data2: return "DW_FORM_data2"; |
| case DW_FORM_data4: return "DW_FORM_data4"; |
| case DW_FORM_data8: return "DW_FORM_data8"; |
| case DW_FORM_string: return "DW_FORM_string"; |
| case DW_FORM_block: return "DW_FORM_block"; |
| case DW_FORM_block1: return "DW_FORM_block1"; |
| case DW_FORM_data1: return "DW_FORM_data1"; |
| case DW_FORM_flag: return "DW_FORM_flag"; |
| case DW_FORM_sdata: return "DW_FORM_sdata"; |
| case DW_FORM_strp: return "DW_FORM_strp"; |
| case DW_FORM_udata: return "DW_FORM_udata"; |
| case DW_FORM_ref_addr: return "DW_FORM_ref_addr"; |
| case DW_FORM_ref1: return "DW_FORM_ref1"; |
| case DW_FORM_ref2: return "DW_FORM_ref2"; |
| case DW_FORM_ref4: return "DW_FORM_ref4"; |
| case DW_FORM_ref8: return "DW_FORM_ref8"; |
| case DW_FORM_ref_udata: return "DW_FORM_ref_udata"; |
| case DW_FORM_indirect: return "DW_FORM_indirect"; |
| default: |
| { |
| static char buffer [100]; |
| |
| sprintf (buffer, _("Unknown FORM value: %lx"), form); |
| return buffer; |
| } |
| } |
| } |
| |
| /* FIXME: There are better and more effiecint ways to handle |
| these structures. For now though, I just want something that |
| is simple to implement. */ |
| typedef struct abbrev_attr |
| { |
| unsigned long attribute; |
| unsigned long form; |
| struct abbrev_attr * next; |
| } |
| abbrev_attr; |
| |
| typedef struct abbrev_entry |
| { |
| unsigned long entry; |
| unsigned long tag; |
| int children; |
| struct abbrev_attr * first_attr; |
| struct abbrev_attr * last_attr; |
| struct abbrev_entry * next; |
| } |
| abbrev_entry; |
| |
| static abbrev_entry * first_abbrev = NULL; |
| static abbrev_entry * last_abbrev = NULL; |
| |
| static void |
| free_abbrevs PARAMS ((void)) |
| { |
| abbrev_entry * abbrev; |
| |
| for (abbrev = first_abbrev; abbrev;) |
| { |
| abbrev_entry * next = abbrev->next; |
| abbrev_attr * attr; |
| |
| for (attr = abbrev->first_attr; attr;) |
| { |
| abbrev_attr * next = attr->next; |
| |
| free (attr); |
| attr = next; |
| } |
| |
| free (abbrev); |
| abbrev = next; |
| } |
| |
| last_abbrev = first_abbrev = NULL; |
| } |
| |
| static void |
| add_abbrev (number, tag, children) |
| unsigned long number; |
| unsigned long tag; |
| int children; |
| { |
| abbrev_entry * entry; |
| |
| entry = (abbrev_entry *) malloc (sizeof (* entry)); |
| |
| if (entry == NULL) |
| /* ugg */ |
| return; |
| |
| entry->entry = number; |
| entry->tag = tag; |
| entry->children = children; |
| entry->first_attr = NULL; |
| entry->last_attr = NULL; |
| entry->next = NULL; |
| |
| if (first_abbrev == NULL) |
| first_abbrev = entry; |
| else |
| last_abbrev->next = entry; |
| |
| last_abbrev = entry; |
| } |
| |
| static void |
| add_abbrev_attr (attribute, form) |
| unsigned long attribute; |
| unsigned long form; |
| { |
| abbrev_attr * attr; |
| |
| attr = (abbrev_attr *) malloc (sizeof (* attr)); |
| |
| if (attr == NULL) |
| /* ugg */ |
| return; |
| |
| attr->attribute = attribute; |
| attr->form = form; |
| attr->next = NULL; |
| |
| if (last_abbrev->first_attr == NULL) |
| last_abbrev->first_attr = attr; |
| else |
| last_abbrev->last_attr->next = attr; |
| |
| last_abbrev->last_attr = attr; |
| } |
| |
| /* Processes the (partial) contents of a .debug_abbrev section. |
| Returns NULL if the end of the section was encountered. |
| Returns the address after the last byte read if the end of |
| an abbreviation set was found. */ |
| |
| static unsigned char * |
| process_abbrev_section (start, end) |
| unsigned char * start; |
| unsigned char * end; |
| { |
| if (first_abbrev != NULL) |
| return NULL; |
| |
| while (start < end) |
| { |
| int bytes_read; |
| unsigned long entry; |
| unsigned long tag; |
| unsigned long attribute; |
| int children; |
| |
| entry = read_leb128 (start, & bytes_read, 0); |
| start += bytes_read; |
| |
| if (entry == 0) |
| return start; |
| |
| tag = read_leb128 (start, & bytes_read, 0); |
| start += bytes_read; |
| |
| children = * start ++; |
| |
| add_abbrev (entry, tag, children); |
| |
| do |
| { |
| unsigned long form; |
| |
| attribute = read_leb128 (start, & bytes_read, 0); |
| start += bytes_read; |
| |
| form = read_leb128 (start, & bytes_read, 0); |
| start += bytes_read; |
| |
| if (attribute != 0) |
| add_abbrev_attr (attribute, form); |
| } |
| while (attribute != 0); |
| } |
| |
| return NULL; |
| } |
| |
| |
| static int |
| display_debug_abbrev (section, start, file) |
| Elf32_Internal_Shdr * section; |
| unsigned char * start; |
| FILE * file; |
| { |
| 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); |
| |
| 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)); |
| } |
| } |
| } |
| while (start); |
| |
| printf ("\n"); |
| |
| return 1; |
| } |
| |
| |
| static unsigned char * |
| display_block (data, length) |
| unsigned char * data; |
| unsigned long length; |
| { |
| printf (_(" %lu byte block: "), length); |
| |
| while (length --) |
| printf ("%lx ", (unsigned long) byte_get (data ++, 1)); |
| |
| return data; |
| } |
| |
| static void |
| decode_location_expression (data, pointer_size) |
| unsigned char * data; |
| unsigned int pointer_size; |
| { |
| unsigned char op; |
| int bytes_read; |
| unsigned long uvalue; |
| |
| op = * data ++; |
| |
| switch (op) |
| { |
| case DW_OP_addr: |
| printf ("DW_OP_addr: %lx", (unsigned long) byte_get (data, pointer_size)); |
| break; |
| case DW_OP_deref: |
| printf ("DW_OP_deref"); |
| break; |
| case DW_OP_const1u: |
| printf ("DW_OP_const1u: %lu", (unsigned long) byte_get (data, 1)); |
| break; |
| case DW_OP_const1s: |
| printf ("DW_OP_const1s: %ld", (long) byte_get (data, 1)); |
| break; |
| case DW_OP_const2u: |
| printf ("DW_OP_const2u: %lu", (unsigned long) byte_get (data, 2)); |
| break; |
| case DW_OP_const2s: |
| printf ("DW_OP_const2s: %ld", (long) byte_get (data, 2)); |
| break; |
| case DW_OP_const4u: |
| printf ("DW_OP_const4u: %lu", (unsigned long) byte_get (data, 4)); |
| break; |
| case DW_OP_const4s: |
| printf ("DW_OP_const4s: %ld", (long) byte_get (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)); |
| break; |
| case DW_OP_const8s: |
| printf ("DW_OP_const8s: %ld %ld", (long) byte_get (data, 4), |
| (long) byte_get (data + 4, 4)); |
| break; |
| case DW_OP_constu: |
| printf ("DW_OP_constu: %lu", read_leb128 (data, NULL, 0)); |
| break; |
| case DW_OP_consts: |
| printf ("DW_OP_consts: %ld", read_leb128 (data, NULL, 1)); |
| 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, NULL, 0)); |
| break; |
| case DW_OP_shl: |
| printf ("DW_OP_shl"); |
| break; |
| case DW_OP_shr: |
| printf ("DW_OP_shr"); |
| break; |
| case DW_OP_shra: |
| printf ("DW_OP_shra"); |
| break; |
| case DW_OP_xor: |
| printf ("DW_OP_xor"); |
| break; |
| case DW_OP_bra: |
| printf ("DW_OP_bra: %ld", (long) byte_get (data, 2)); |
| break; |
| case DW_OP_eq: |
| printf ("DW_OP_eq"); |
| break; |
| case DW_OP_ge: |
| printf ("DW_OP_ge"); |
| break; |
| case DW_OP_gt: |
| printf ("DW_OP_gt"); |
| break; |
| case DW_OP_le: |
| printf ("DW_OP_le"); |
| break; |
| case DW_OP_lt: |
| printf ("DW_OP_lt"); |
| break; |
| case DW_OP_ne: |
| printf ("DW_OP_ne"); |
| break; |
| case DW_OP_skip: |
| printf ("DW_OP_skip: %ld", (long) byte_get (data, 2)); |
| break; |
| case DW_OP_lit0: |
| printf ("DW_OP_lit0"); |
| break; |
| case DW_OP_lit1: |
| printf ("DW_OP_lit1"); |
| break; |
| case DW_OP_lit2: |
| printf ("DW_OP_lit2"); |
| break; |
| case DW_OP_lit3: |
| printf ("DW_OP_lit3"); |
| break; |
| case DW_OP_lit4: |
| printf ("DW_OP_lit4"); |
| break; |
| case DW_OP_lit5: |
| printf ("DW_OP_lit5"); |
| break; |
| case DW_OP_lit6: |
| printf ("DW_OP_lit6"); |
| break; |
| case DW_OP_lit7: |
| printf ("DW_OP_lit7"); |
| break; |
| case DW_OP_lit8: |
| printf ("DW_OP_lit8"); |
| break; |
| case DW_OP_lit9: |
| printf ("DW_OP_lit9"); |
| break; |
| case DW_OP_lit10: |
| printf ("DW_OP_lit10"); |
| break; |
| case DW_OP_lit11: |
| printf ("DW_OP_lit11"); |
| break; |
| case DW_OP_lit12: |
| printf ("DW_OP_lit12"); |
| break; |
| case DW_OP_lit13: |
| printf ("DW_OP_lit13"); |
| break; |
| case DW_OP_lit14: |
| printf ("DW_OP_lit14"); |
| break; |
| case DW_OP_lit15: |
| printf ("DW_OP_lit15"); |
| break; |
| case DW_OP_lit16: |
| printf ("DW_OP_lit16"); |
| break; |
| case DW_OP_lit17: |
| printf ("DW_OP_lit17"); |
| break; |
| case DW_OP_lit18: |
| printf ("DW_OP_lit18"); |
| break; |
| case DW_OP_lit19: |
| printf ("DW_OP_lit19"); |
| break; |
| case DW_OP_lit20: |
| printf ("DW_OP_lit20"); |
| break; |
| case DW_OP_lit21: |
| printf ("DW_OP_lit21"); |
| break; |
| case DW_OP_lit22: |
| printf ("DW_OP_lit22"); |
| break; |
| case DW_OP_lit23: |
| printf ("DW_OP_lit23"); |
| break; |
| case DW_OP_lit24: |
| printf ("DW_OP_lit24"); |
| break; |
| case DW_OP_lit25: |
| printf ("DW_OP_lit25"); |
| break; |
| case DW_OP_lit26: |
| printf ("DW_OP_lit26"); |
| break; |
| case DW_OP_lit27: |
| printf ("DW_OP_lit27"); |
| break; |
| case DW_OP_lit28: |
| printf ("DW_OP_lit28"); |
| break; |
| case DW_OP_lit29: |
| printf ("DW_OP_lit29"); |
| break; |
| case DW_OP_lit30: |
| printf ("DW_OP_lit30"); |
| break; |
| case DW_OP_lit31: |
| printf ("DW_OP_lit31"); |
| break; |
| case DW_OP_reg0: |
| printf ("DW_OP_reg0"); |
| break; |
| case DW_OP_reg1: |
| printf ("DW_OP_reg1"); |
| break; |
| case DW_OP_reg2: |
| printf ("DW_OP_reg2"); |
| break; |
| case DW_OP_reg3: |
| printf ("DW_OP_reg3"); |
| break; |
| case DW_OP_reg4: |
| printf ("DW_OP_reg4"); |
| break; |
| case DW_OP_reg5: |
| printf ("DW_OP_reg5"); |
| break; |
| case DW_OP_reg6: |
| printf ("DW_OP_reg6"); |
| break; |
| case DW_OP_reg7: |
| printf ("DW_OP_reg7"); |
| break; |
| case DW_OP_reg8: |
| printf ("DW_OP_reg8"); |
| break; |
| case DW_OP_reg9: |
| printf ("DW_OP_reg9"); |
| break; |
| case DW_OP_reg10: |
| printf ("DW_OP_reg10"); |
| break; |
| case DW_OP_reg11: |
| printf ("DW_OP_reg11"); |
| break; |
| case DW_OP_reg12: |
| printf ("DW_OP_reg12"); |
| break; |
| case DW_OP_reg13: |
| printf ("DW_OP_reg13"); |
| break; |
| case DW_OP_reg14: |
| printf ("DW_OP_reg14"); |
| break; |
| case DW_OP_reg15: |
| printf ("DW_OP_reg15"); |
| break; |
| case DW_OP_reg16: |
| printf ("DW_OP_reg16"); |
| break; |
| case DW_OP_reg17: |
| printf ("DW_OP_reg17"); |
| break; |
| case DW_OP_reg18: |
| printf ("DW_OP_reg18"); |
| break; |
| case DW_OP_reg19: |
| printf ("DW_OP_reg19"); |
| break; |
| case DW_OP_reg20: |
| printf ("DW_OP_reg20"); |
| break; |
| case DW_OP_reg21: |
| printf ("DW_OP_reg21"); |
| break; |
| case DW_OP_reg22: |
| printf ("DW_OP_reg22"); |
| break; |
| case DW_OP_reg23: |
| printf ("DW_OP_reg23"); |
| break; |
| case DW_OP_reg24: |
| printf ("DW_OP_reg24"); |
| break; |
| case DW_OP_reg25: |
| printf ("DW_OP_reg25"); |
| break; |
| case DW_OP_reg26: |
| printf ("DW_OP_reg26"); |
| break; |
| case DW_OP_reg27: |
| printf ("DW_OP_reg27"); |
| break; |
| case DW_OP_reg28: |
| printf ("DW_OP_reg28"); |
| break; |
| case DW_OP_reg29: |
| printf ("DW_OP_reg29"); |
| break; |
| case DW_OP_reg30: |
| printf ("DW_OP_reg30"); |
| break; |
| case DW_OP_reg31: |
| printf ("DW_OP_reg31"); |
| break; |
| case DW_OP_breg0: |
| printf ("DW_OP_breg0: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg1: |
| printf ("DW_OP_breg1: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg2: |
| printf ("DW_OP_breg2: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg3: |
| printf ("DW_OP_breg3: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg4: |
| printf ("DW_OP_breg4: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg5: |
| printf ("DW_OP_breg5: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg6: |
| printf ("DW_OP_breg6: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg7: |
| printf ("DW_OP_breg7: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg8: |
| printf ("DW_OP_breg8: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg9: |
| printf ("DW_OP_breg9: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg10: |
| printf ("DW_OP_breg10: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg11: |
| printf ("DW_OP_breg11: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg12: |
| printf ("DW_OP_breg12: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg13: |
| printf ("DW_OP_breg13: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg14: |
| printf ("DW_OP_breg14: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg15: |
| printf ("DW_OP_breg15: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg16: |
| printf ("DW_OP_breg16: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg17: |
| printf ("DW_OP_breg17: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg18: |
| printf ("DW_OP_breg18: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg19: |
| printf ("DW_OP_breg19: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg20: |
| printf ("DW_OP_breg20: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg21: |
| printf ("DW_OP_breg21: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg22: |
| printf ("DW_OP_breg22: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg23: |
| printf ("DW_OP_breg23: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg24: |
| printf ("DW_OP_breg24: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg25: |
| printf ("DW_OP_breg25: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg26: |
| printf ("DW_OP_breg26: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg27: |
| printf ("DW_OP_breg27: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg28: |
| printf ("DW_OP_breg28: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg29: |
| printf ("DW_OP_breg29: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg30: |
| printf ("DW_OP_breg30: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_breg31: |
| printf ("DW_OP_breg31: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_regx: |
| printf ("DW_OP_regx: %lu", read_leb128 (data, NULL, 0)); |
| break; |
| case DW_OP_fbreg: |
| printf ("DW_OP_fbreg: %ld", read_leb128 (data, NULL, 1)); |
| break; |
| case DW_OP_bregx: |
| uvalue = read_leb128 (data, &bytes_read, 0); |
| printf ("DW_OP_bregx: %lu %ld", uvalue, |
| read_leb128 (data + bytes_read, NULL, 1)); |
| break; |
| case DW_OP_piece: |
| printf ("DW_OP_piece: %lu", read_leb128 (data, NULL, 0)); |
| 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; |
| |
| default: |
| if (op >= DW_OP_lo_user |
| && op <= DW_OP_hi_user) |
| printf (_("(User defined location op)")); |
| else |
| printf (_("(Unknown location op)")); |
| break; |
| } |
| } |
| |
| |
| static unsigned char * |
| read_and_display_attr (attribute, form, data, pointer_size) |
| unsigned long attribute; |
| unsigned long form; |
| unsigned char * data; |
| unsigned long pointer_size; |
| { |
| unsigned long uvalue; |
| unsigned char * block_start; |
| int bytes_read; |
| int is_ref = 0; |
| |
| printf (" %-18s:", get_AT_name (attribute)); |
| |
| switch (form) |
| { |
| case DW_FORM_ref_addr: |
| case DW_FORM_ref1: |
| case DW_FORM_ref2: |
| case DW_FORM_ref4: |
| case DW_FORM_ref8: |
| case DW_FORM_ref_udata: |
| is_ref = 1; |
| } |
| |
| switch (form) |
| { |
| case DW_FORM_ref_addr: |
| case DW_FORM_addr: |
| uvalue = byte_get (data, pointer_size); |
| printf (is_ref ? " <%x>" : " %#x", uvalue); |
| data += pointer_size; |
| break; |
| |
| case DW_FORM_ref1: |
| case DW_FORM_flag: |
| case DW_FORM_data1: |
| uvalue = byte_get (data ++, 1); |
| printf (is_ref ? " <%x>" : " %d", uvalue); |
| break; |
| |
| case DW_FORM_ref2: |
| case DW_FORM_data2: |
| uvalue = byte_get (data, 2); |
| data += 2; |
| printf (is_ref ? " <%x>" : " %d", uvalue); |
| break; |
| |
| case DW_FORM_ref4: |
| case DW_FORM_data4: |
| uvalue = byte_get (data, 4); |
| data += 4; |
| printf (is_ref ? " <%x>" : " %d", uvalue); |
| break; |
| |
| case DW_FORM_ref8: |
| case DW_FORM_data8: |
| uvalue = byte_get (data, 4); |
| printf (" %lx", uvalue); |
| printf (" %lx", (unsigned long) byte_get (data + 4, 4)); |
| data += 8; |
| break; |
| |
| case DW_FORM_string: |
| printf (" %s", data); |
| data += strlen (data) + 1; |
| break; |
| |
| case DW_FORM_sdata: |
| uvalue = read_leb128 (data, & bytes_read, 1); |
| data += bytes_read; |
| printf (" %ld", (long) uvalue); |
| break; |
| |
| case DW_FORM_ref_udata: |
| case DW_FORM_udata: |
| uvalue = read_leb128 (data, & bytes_read, 0); |
| data += bytes_read; |
| printf (is_ref ? " <%lx>" : " %ld", uvalue); |
| break; |
| |
| case DW_FORM_block: |
| uvalue = read_leb128 (data, & bytes_read, 0); |
| block_start = data + bytes_read; |
| data = display_block (block_start, uvalue); |
| uvalue = * block_start; |
| break; |
| |
| case DW_FORM_block1: |
| uvalue = byte_get (data, 1); |
| block_start = data + 1; |
| data = display_block (block_start, uvalue); |
| uvalue = * block_start; |
| break; |
| |
| case DW_FORM_block2: |
| uvalue = byte_get (data, 2); |
| block_start = data + 2; |
| data = display_block (block_start, uvalue); |
| uvalue = * block_start; |
| break; |
| |
| case DW_FORM_block4: |
| uvalue = byte_get (data, 4); |
| block_start = data + 4; |
| data = display_block (block_start, uvalue); |
| uvalue = * block_start; |
| break; |
| |
| case DW_FORM_strp: |
| case DW_FORM_indirect: |
| warn (_("Unable to handle FORM: %d"), form); |
| break; |
| |
| default: |
| warn (_("Unrecognised form: %d"), form); |
| break; |
| } |
| |
| /* For some attributes we can display futher information. */ |
| |
| printf ("\t"); |
| |
| switch (attribute) |
| { |
| case DW_AT_inline: |
| switch (uvalue) |
| { |
| case DW_INL_not_inlined: printf (_("(not inlined)")); break; |
| case DW_INL_inlined: printf (_("(inlined)")); break; |
| case DW_INL_declared_not_inlined: printf (_("(declared as inline but ignored)")); break; |
| case DW_INL_declared_inlined: printf (_("(declared as inline and inlined)")); break; |
| default: printf (_(" (Unknown inline attribute value: %lx)"), uvalue); break; |
| } |
| break; |
| |
| case DW_AT_frame_base: |
| if (uvalue >= DW_OP_reg0 && uvalue <= DW_OP_reg31) |
| printf ("(reg %ld)", uvalue - DW_OP_reg0); |
| 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_Mips_Assembler: printf ("(MIPS assembler)"); break; |
| default: printf ("(Unknown: %lx)", uvalue); break; |
| } |
| break; |
| |
| case DW_AT_encoding: |
| switch (uvalue) |
| { |
| case DW_ATE_void: printf ("(void)"); break; |
| case DW_ATE_address: printf ("(machine address)"); break; |
| case DW_ATE_boolean: printf ("(boolean)"); break; |
| case DW_ATE_complex_float: printf ("(complex float)"); break; |
| case DW_ATE_float: printf ("(float)"); break; |
| case DW_ATE_signed: printf ("(signed)"); break; |
| case DW_ATE_signed_char: printf ("(signed char)"); break; |
| case DW_ATE_unsigned: printf ("(unsigned)"); break; |
| case DW_ATE_unsigned_char: printf ("(unsigned char)"); break; |
| 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_location: |
| case DW_AT_data_member_location: |
| case DW_AT_vtable_elem_location: |
| printf ("("); |
| decode_location_expression (block_start, pointer_size); |
| printf (")"); |
| break; |
| |
| default: |
| break; |
| } |
| |
| printf ("\n"); |
| return data; |
| } |
| |
| static int |
| display_debug_info (section, start, file) |
| Elf32_Internal_Shdr * section; |
| unsigned char * start; |
| FILE * file; |
| { |
| unsigned char * end = start + section->sh_size; |
| unsigned char * section_begin = start; |
| |
| printf (_("The section %s contains:\n\n"), SECTION_NAME (section)); |
| |
| while (start < end) |
| { |
| DWARF2_External_CompUnit * external; |
| DWARF2_Internal_CompUnit compunit; |
| unsigned char * tags; |
| int i; |
| int level; |
| |
| external = (DWARF2_External_CompUnit *) start; |
| |
| compunit.cu_length = BYTE_GET (external->cu_length); |
| compunit.cu_version = BYTE_GET (external->cu_version); |
| compunit.cu_abbrev_offset = BYTE_GET (external->cu_abbrev_offset); |
| compunit.cu_pointer_size = BYTE_GET (external->cu_pointer_size); |
| |
| tags = start + sizeof (* external); |
| start += compunit.cu_length + sizeof (external->cu_length); |
| |
| if (compunit.cu_version != 2) |
| { |
| warn (_("Only version 2 DWARF debug information is currently supported.\n")); |
| continue; |
| } |
| |
| printf (_(" Compilation Unit:\n")); |
| 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 (first_abbrev != NULL) |
| free_abbrevs (); |
| |
| /* Read in the abbrevs used by this compilation unit. */ |
| |
| { |
| Elf32_Internal_Shdr * sec; |
| unsigned char * begin; |
| |
| /* Locate the .debug_abbrev section and process it. */ |
| for (i = 0, sec = section_headers; |
| i < elf_header.e_shnum; |
| i ++, sec ++) |
| if (strcmp (SECTION_NAME (sec), ".debug_abbrev") == 0) |
| break; |
| |
| if (i == -1 || sec->sh_size == 0) |
| { |
| warn (_("Unable to locate .debug_abbrev section!\n")); |
| return 0; |
| } |
| |
| GET_DATA_ALLOC (sec->sh_offset, sec->sh_size, begin, unsigned char *, |
| "debug_abbrev section data"); |
| |
| process_abbrev_section (begin + compunit.cu_abbrev_offset, |
| begin + sec->sh_size); |
| |
| free (begin); |
| } |
| |
| level = 0; |
| while (tags < start) |
| { |
| int bytes_read; |
| int abbrev_number; |
| abbrev_entry * entry; |
| abbrev_attr * attr; |
| |
| abbrev_number = read_leb128 (tags, & bytes_read, 0); |
| tags += bytes_read; |
| |
| /* A null DIE marks the end of a list of children. */ |
| if (abbrev_number == 0) |
| { |
| --level; |
| continue; |
| } |
| |
| /* Scan through the abbreviation list until we reach the |
| correct entry. */ |
| for (entry = first_abbrev; |
| entry && entry->entry != abbrev_number; |
| entry = entry->next) |
| continue; |
| |
| if (entry == NULL) |
| { |
| warn (_("Unable to locate entry %d in the abbreviation table\n"), |
| abbrev_number); |
| return 0; |
| } |
| |
| printf (_(" <%d><%x>: Abbrev Number: %d (%s)\n"), |
| level, tags - section_begin - bytes_read, |
| abbrev_number, |
| get_TAG_name (entry->tag)); |
| |
| for (attr = entry->first_attr; attr; attr = attr->next) |
| tags = read_and_display_attr (attr->attribute, |
| attr->form, |
| tags, |
| compunit.cu_pointer_size); |
| |
| if (entry->children) |
| ++level; |
| } |
| } |
| |
| printf ("\n"); |
| |
| return 1; |
| } |
| |
| static int |
| display_debug_aranges (section, start, file) |
| Elf32_Internal_Shdr * section; |
| unsigned char * start; |
| FILE * file; |
| { |
| unsigned char * end = start + section->sh_size; |
| |
| printf (_("The section %s contains:\n\n"), SECTION_NAME (section)); |
| |
| while (start < end) |
| { |
| DWARF2_External_ARange * external; |
| DWARF2_Internal_ARange arange; |
| unsigned char * ranges; |
| unsigned long length; |
| unsigned long address; |
| |
| external = (DWARF2_External_ARange *) start; |
| |
| arange.ar_length = BYTE_GET (external->ar_length); |
| arange.ar_version = BYTE_GET (external->ar_version); |
| arange.ar_info_offset = BYTE_GET (external->ar_info_offset); |
| arange.ar_pointer_size = BYTE_GET (external->ar_pointer_size); |
| arange.ar_segment_size = BYTE_GET (external->ar_segment_size); |
| |
| printf (_(" Length: %ld\n"), arange.ar_length); |
| printf (_(" Version: %d\n"), arange.ar_version); |
| printf (_(" Offset into .debug_info: %lx\n"), arange.ar_info_offset); |
| printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size); |
| printf (_(" Segment Size: %d\n"), arange.ar_segment_size); |
| |
| printf (_("\n Address Length\n")); |
| |
| ranges = start + sizeof (* external); |
| |
| 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; |
| |
| printf (" %8.8lx %lu\n", address, length); |
| } |
| |
| start += arange.ar_length + sizeof (external->ar_length); |
| } |
| |
| printf ("\n"); |
| |
| return 1; |
| } |
| |
| |
| static int |
| display_debug_not_supported (section, start, file) |
| Elf32_Internal_Shdr * section; |
| unsigned char * start; |
| FILE * file; |
| { |
| printf (_("Displaying the debug contents of section %s is not yet supported.\n"), |
| SECTION_NAME (section)); |
| |
| return 1; |
| } |
| |
| /* A structure containing the name of a debug section and a pointer |
| to a function that can decode it. */ |
| struct |
| { |
| char * name; |
| int (* display) 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 } |
| }; |
| |
| static int |
| display_debug_section (section, file) |
| Elf32_Internal_Shdr * section; |
| FILE * file; |
| { |
| char * name = SECTION_NAME (section); |
| bfd_size_type length; |
| unsigned char * start; |
| int i; |
| |
| length = section->sh_size; |
| if (length == 0) |
| { |
| printf (_("\nSection '%s' has no debugging data.\n"), name); |
| return 0; |
| } |
| |
| GET_DATA_ALLOC (section->sh_offset, length, start, unsigned char *, |
| "debug section data"); |
| |
| /* See if we know how to display the contents of this section. */ |
| for (i = NUM_ELEM (debug_displays); i--;) |
| if (strcmp (debug_displays[i].name, name) == 0) |
| { |
| debug_displays[i].display (section, start, file); |
| break; |
| } |
| |
| if (i == -1) |
| printf (_("Unrecognised debug section: %s\n"), name); |
| |
| free (start); |
| |
| /* If we loaded in the abbrev section at some point, |
| we must release it here. */ |
| if (first_abbrev != NULL) |
| free_abbrevs (); |
| |
| return 1; |
| } |
| |
| static int |
| process_section_contents (file) |
| FILE * file; |
| { |
| Elf32_Internal_Shdr * section; |
| unsigned int i; |
| |
| if (! do_dump) |
| return 1; |
| |
| for (i = 0, section = section_headers; |
| i < elf_header.e_shnum |
| && i < num_dump_sects; |
| i ++, section ++) |
| { |
| #ifdef SUPPORT_DISASSEMBLY |
| if (dump_sects[i] & DISASS_DUMP) |
| disassemble_section (section, file); |
| #endif |
| if (dump_sects[i] & HEX_DUMP) |
| dump_section (section, file); |
| |
| if (dump_sects[i] & DEBUG_DUMP) |
| display_debug_section (section, file); |
| } |
| |
| if (i < num_dump_sects) |
| warn (_("Some sections were not dumped because they do not exist!\n")); |
| |
| return 1; |
| } |
| |
| static void |
| process_mips_fpe_exception (mask) |
| int mask; |
| { |
| if (mask) |
| { |
| int first = 1; |
| if (mask & OEX_FPU_INEX) |
| fputs ("INEX", stdout), first = 0; |
| if (mask & OEX_FPU_UFLO) |
| printf ("%sUFLO", first ? "" : "|"), first = 0; |
| if (mask & OEX_FPU_OFLO) |
| printf ("%sOFLO", first ? "" : "|"), first = 0; |
| if (mask & OEX_FPU_DIV0) |
| printf ("%sDIV0", first ? "" : "|"), first = 0; |
| if (mask & OEX_FPU_INVAL) |
| printf ("%sINVAL", first ? "" : "|"); |
| } |
| else |
| fputs ("0", stdout); |
| } |
| |
| static int |
| process_mips_specific (file) |
| FILE * file; |
| { |
| Elf_Internal_Dyn * entry; |
| size_t liblist_offset = 0; |
| size_t liblistno = 0; |
| size_t conflictsno = 0; |
| size_t options_offset = 0; |
| size_t conflicts_offset = 0; |
| |
| /* We have a lot of special sections. Thanks SGI! */ |
| if (dynamic_segment == NULL) |
| /* No information available. */ |
| return 0; |
| |
| for (entry = dynamic_segment; entry->d_tag != DT_NULL; ++entry) |
| switch (entry->d_tag) |
| { |
| case DT_MIPS_LIBLIST: |
| liblist_offset = entry->d_un.d_val - loadaddr; |
| break; |
| case DT_MIPS_LIBLISTNO: |
| liblistno = entry->d_un.d_val; |
| break; |
| case DT_MIPS_OPTIONS: |
| options_offset = entry->d_un.d_val - loadaddr; |
| break; |
| case DT_MIPS_CONFLICT: |
| conflicts_offset = entry->d_un.d_val - loadaddr; |
| break; |
| case DT_MIPS_CONFLICTNO: |
| conflictsno = entry->d_un.d_val; |
| break; |
| default: |
| break; |
| } |
| |
| if (liblist_offset != 0 && liblistno != 0 && do_dynamic) |
| { |
| Elf32_External_Lib * elib; |
| size_t cnt; |
| |
| GET_DATA_ALLOC (liblist_offset, liblistno * sizeof (Elf32_External_Lib), |
| elib, Elf32_External_Lib *, "liblist"); |
| |
| printf ("\nSection '.liblist' contains %d entries:\n", 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]; |
| |
| 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); |
| |
| strftime (timebuf, 20, "%Y-%m-%dT%H:%M:%S", gmtime (&time)); |
| |
| printf ("%3d: %-20s %s %#10lx %-7ld", cnt, |
| dynamic_strings + liblist.l_name, 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; |
| int fcnt; |
| |
| for (fcnt = 0; |
| fcnt < sizeof (l_flags_vals) / sizeof (l_flags_vals[0]); |
| ++fcnt) |
| if ((flags & l_flags_vals[fcnt].bit) != 0) |
| { |
| fputs (l_flags_vals[fcnt].name, stdout); |
| flags ^= l_flags_vals[fcnt].bit; |
| } |
| if (flags != 0) |
| printf (" %#x", (unsigned int) flags); |
| |
| puts (""); |
| } |
| } |
| |
| free (elib); |
| } |
| |
| if (options_offset != 0) |
| { |
| Elf_External_Options * eopt; |
| Elf_Internal_Shdr * sect = section_headers; |
| Elf_Internal_Options * iopt; |
| Elf_Internal_Options * option; |
| size_t offset; |
| int cnt; |
| |
| /* Find the section header so that we get the size. */ |
| while (sect->sh_type != SHT_MIPS_OPTIONS) |
| ++sect; |
| |
| GET_DATA_ALLOC (options_offset, sect->sh_size, eopt, |
| Elf_External_Options *, "options"); |
| |
| iopt = (Elf_Internal_Options *) malloc ((sect->sh_size / sizeof (eopt)) |
| * sizeof (*iopt)); |
| if (iopt == NULL) |
| { |
| error (_("Out of memory")); |
| return 0; |
| } |
| |
| offset = cnt = 0; |
| option = iopt; |
| while (offset < sect->sh_size) |
| { |
| Elf_External_Options * eoption; |
| |
| eoption = (Elf_External_Options *) ((char *) eopt + offset); |
| |
| option->kind = BYTE_GET (eoption->kind); |
| option->size = BYTE_GET (eoption->size); |
| option->section = BYTE_GET (eoption->section); |
| option->info = BYTE_GET (eoption->info); |
| |
| offset += option->size; |
| ++option; |
| ++cnt; |
| } |
| |
| printf (_("\nSection '%s' contains %d entries:\n"), |
| string_table + sect->sh_name, cnt); |
| |
| option = iopt; |
| while (cnt-- > 0) |
| { |
| size_t len; |
| |
| switch (option->kind) |
| { |
| case ODK_NULL: |
| /* This shouldn't happen. */ |
| printf (" NULL %d %lx", option->section, option->info); |
| break; |
| case ODK_REGINFO: |
| printf (" REGINFO "); |
| if (elf_header.e_machine == EM_MIPS) |
| { |
| /* 32bit form. */ |
| Elf32_External_RegInfo *ereg; |
| Elf32_RegInfo reginfo; |
| |
| ereg = (Elf32_External_RegInfo *) (option + 1); |
| reginfo.ri_gprmask = BYTE_GET (ereg->ri_gprmask); |
| reginfo.ri_cprmask[0] = BYTE_GET (ereg->ri_cprmask[0]); |
| reginfo.ri_cprmask[1] = BYTE_GET (ereg->ri_cprmask[1]); |
| reginfo.ri_cprmask[2] = BYTE_GET (ereg->ri_cprmask[2]); |
| reginfo.ri_cprmask[3] = BYTE_GET (ereg->ri_cprmask[3]); |
| reginfo.ri_gp_value = BYTE_GET (ereg->ri_gp_value); |
| |
| printf ("GPR %08lx GP 0x%lx\n", |
| reginfo.ri_gprmask, |
| (unsigned long) reginfo.ri_gp_value); |
| printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n", |
| reginfo.ri_cprmask[0], reginfo.ri_cprmask[1], |
| reginfo.ri_cprmask[2], reginfo.ri_cprmask[3]); |
| } |
| else |
| { |
| /* 64 bit form. */ |
| Elf64_External_RegInfo * ereg; |
| Elf64_Internal_RegInfo reginfo; |
| |
| ereg = (Elf64_External_RegInfo *) (option + 1); |
| reginfo.ri_gprmask = BYTE_GET (ereg->ri_gprmask); |
| reginfo.ri_cprmask[0] = BYTE_GET (ereg->ri_cprmask[0]); |
| reginfo.ri_cprmask[1] = BYTE_GET (ereg->ri_cprmask[1]); |
| reginfo.ri_cprmask[2] = BYTE_GET (ereg->ri_cprmask[2]); |
| reginfo.ri_cprmask[3] = BYTE_GET (ereg->ri_cprmask[3]); |
| reginfo.ri_gp_value = BYTE_GET8 (ereg->ri_gp_value); |
| |
| printf ("GPR %08lx GP 0x", |
| reginfo.ri_gprmask); |
| printf_vma (reginfo.ri_gp_value); |
| printf ("\n"); |
| |
| printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n", |
| reginfo.ri_cprmask[0], reginfo.ri_cprmask[1], |
| reginfo.ri_cprmask[2], reginfo.ri_cprmask[3]); |
| } |
| ++option; |
| continue; |
| case ODK_EXCEPTIONS: |
| fputs (" EXCEPTIONS fpe_min(", stdout); |
| process_mips_fpe_exception (option->info & OEX_FPU_MIN); |
| fputs (") fpe_max(", stdout); |
| process_mips_fpe_exception ((option->info & OEX_FPU_MAX) >> 8); |
| fputs (")", stdout); |
| |
| if (option->info & OEX_PAGE0) |
| fputs (" PAGE0", stdout); |
| if (option->info & OEX_SMM) |
| fputs (" SMM", stdout); |
| if (option->info & OEX_FPDBUG) |
| fputs (" FPDBUG", stdout); |
| if (option->info & OEX_DISMISS) |
| fputs (" DISMISS", stdout); |
| break; |
| case ODK_PAD: |
| fputs (" PAD ", stdout); |
| if (option->info & OPAD_PREFIX) |
| fputs (" PREFIX", stdout); |
| if (option->info & OPAD_POSTFIX) |
| fputs (" POSTFIX", stdout); |
| if (option->info & OPAD_SYMBOL) |
| fputs (" SYMBOL", stdout); |
| break; |
| case ODK_HWPATCH: |
| fputs (" HWPATCH ", stdout); |
| if (option->info & OHW_R4KEOP) |
| fputs (" R4KEOP", stdout); |
| if (option->info & OHW_R8KPFETCH) |
| fputs (" R8KPFETCH", stdout); |
| if (option->info & OHW_R5KEOP) |
| fputs (" R5KEOP", stdout); |
| if (option->info & OHW_R5KCVTL) |
| fputs (" R5KCVTL", stdout); |
| break; |
| case ODK_FILL: |
| fputs (" FILL ", stdout); |
| /* XXX Print content of info word? */ |
| break; |
| case ODK_TAGS: |
| fputs (" TAGS ", stdout); |
| /* XXX Print content of info word? */ |
| break; |
| case ODK_HWAND: |
| fputs (" HWAND ", stdout); |
| if (option->info & OHWA0_R4KEOP_CHECKED) |
| fputs (" R4KEOP_CHECKED", stdout); |
| if (option->info & OHWA0_R4KEOP_CLEAN) |
| fputs (" R4KEOP_CLEAN", stdout); |
| break; |
| case ODK_HWOR: |
| fputs (" HWOR ", stdout); |
| if (option->info & OHWA0_R4KEOP_CHECKED) |
| fputs (" R4KEOP_CHECKED", stdout); |
| if (option->info & OHWA0_R4KEOP_CLEAN) |
| fputs (" R4KEOP_CLEAN", stdout); |
| break; |
| case ODK_GP_GROUP: |
| printf (" GP_GROUP %#06lx self-contained %#06lx", |
| option->info & OGP_GROUP, |
| (option->info & OGP_SELF) >> 16); |
| break; |
| case ODK_IDENT: |
| printf (" IDENT %#06lx self-contained %#06lx", |
| option->info & OGP_GROUP, |
| (option->info & OGP_SELF) >> 16); |
| break; |
| default: |
| /* This shouldn't happen. */ |
| printf (" %3d ??? %d %lx", |
| option->kind, option->section, option->info); |
| break; |
| } |
| |
| len = sizeof (*eopt); |
| while (len < option->size) |
| if (((char *) option)[len] >= ' ' |
| && ((char *) option)[len] < 0x7f) |
| printf ("%c", ((char *) option)[len++]); |
| else |
| printf ("\\%03o", ((char *) option)[len++]); |
| |
| fputs ("\n", stdout); |
| ++option; |
| } |
| |
| free (eopt); |
| } |
| |
| if (conflicts_offset != 0 && conflictsno != 0) |
| { |
| Elf32_External_Conflict * econf32; |
| Elf64_External_Conflict * econf64; |
| Elf32_Conflict * iconf; |
| size_t cnt; |
| |
| if (dynamic_symbols == NULL) |
| { |
| error (_("conflict list with without table")); |
| return 0; |
| } |
| |
| iconf = (Elf32_Conflict *) malloc (conflictsno * sizeof (*iconf)); |
| if (iconf == NULL) |
| { |
| error (_("Out of memory")); |
| return 0; |
| } |
| |
| if (is_32bit_elf) |
| { |
| GET_DATA_ALLOC (conflicts_offset, conflictsno * sizeof (*econf32), |
| econf32, Elf32_External_Conflict *, "conflict"); |
| |
| for (cnt = 0; cnt < conflictsno; ++cnt) |
| iconf[cnt] = BYTE_GET (econf32[cnt]); |
| } |
| else |
| { |
| GET_DATA_ALLOC (conflicts_offset, conflictsno * sizeof (*econf64), |
| econf64, Elf64_External_Conflict *, "conflict"); |
| |
| for (cnt = 0; cnt < conflictsno; ++cnt) |
| iconf[cnt] = BYTE_GET (econf64[cnt]); |
| } |
| |
| printf (_("\nSection '.conflict' contains %d entries:\n"), conflictsno); |
| puts (_(" Num: Index Value Name")); |
| |
| for (cnt = 0; cnt < conflictsno; ++cnt) |
| { |
| Elf_Internal_Sym * psym = &dynamic_symbols[iconf[cnt]]; |
| |
| printf ("%5u: %8lu %#10lx %s\n", |
| cnt, iconf[cnt], (unsigned long) psym->st_value, |
| dynamic_strings + psym->st_name); |
| } |
| |
| |
| free (iconf); |
| } |
| |
| return 1; |
| } |
| |
| static int |
| process_arch_specific (file) |
| FILE * file; |
| { |
| switch (elf_header.e_machine) |
| { |
| case EM_MIPS: |
| case EM_MIPS_RS4_BE: |
| return process_mips_specific (file); |
| break; |
| default: |
| break; |
| } |
| return 1; |
| } |
| |
| static int |
| get_file_header (file) |
| FILE * file; |
| { |
| /* Read in the identity array. */ |
| if (fread (elf_header.e_ident, EI_NIDENT, 1, file) != 1) |
| return 0; |
| |
| /* Determine how to read the rest of the header. */ |
| switch (elf_header.e_ident [EI_DATA]) |
| { |
| default: /* fall through */ |
| case ELFDATANONE: /* fall through */ |
| case ELFDATA2LSB: byte_get = byte_get_little_endian; break; |
| case ELFDATA2MSB: byte_get = byte_get_big_endian; break; |
| } |
| |
| /* For now we only support 32 bit and 64 bit ELF files. */ |
| is_32bit_elf = (elf_header.e_ident [EI_CLASS] != ELFCLASS64); |
| |
| /* Read in the rest of the header. */ |
| if (is_32bit_elf) |
| { |
| Elf32_External_Ehdr ehdr32; |
| |
| if (fread (ehdr32.e_type, sizeof (ehdr32) - EI_NIDENT, 1, file) != 1) |
| return 0; |
| |
| elf_header.e_type = BYTE_GET (ehdr32.e_type); |
| elf_header.e_machine = BYTE_GET (ehdr32.e_machine); |
| elf_header.e_version = BYTE_GET (ehdr32.e_version); |
| elf_header.e_entry = BYTE_GET (ehdr32.e_entry); |
| elf_header.e_phoff = BYTE_GET (ehdr32.e_phoff); |
| elf_header.e_shoff = BYTE_GET (ehdr32.e_shoff); |
| elf_header.e_flags = BYTE_GET (ehdr32.e_flags); |
| elf_header.e_ehsize = BYTE_GET (ehdr32.e_ehsize); |
| elf_header.e_phentsize = BYTE_GET (ehdr32.e_phentsize); |
| elf_header.e_phnum = BYTE_GET (ehdr32.e_phnum); |
| elf_header.e_shentsize = BYTE_GET (ehdr32.e_shentsize); |
| elf_header.e_shnum = BYTE_GET (ehdr32.e_shnum); |
| elf_header.e_shstrndx = BYTE_GET (ehdr32.e_shstrndx); |
| } |
| else |
| { |
| Elf64_External_Ehdr ehdr64; |
| |
| if (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; |
| } |
| |
| static void |
| process_file (file_name) |
| char * file_name; |
| { |
| FILE * file; |
| struct stat statbuf; |
| unsigned int i; |
| |
| if (stat (file_name, & statbuf) < 0) |
| { |
| error (_("Cannot stat input file %s.\n"), file_name); |
| return; |
| } |
| |
| file = fopen (file_name, "rb"); |
| if (file == NULL) |
| { |
| error (_("Input file %s not found.\n"), file_name); |
| return; |
| } |
| |
| if (! get_file_header (file)) |
| { |
| error (_("%s: Failed to read file header\n"), file_name); |
| fclose (file); |
| return; |
| } |
| |
| /* Initialise per file variables. */ |
| for (i = NUM_ELEM (version_info); i--;) |
| version_info[i] = 0; |
| |
| for (i = NUM_ELEM (dynamic_info); i--;) |
| dynamic_info[i] = 0; |
| |
| /* Process the file. */ |
| if (show_name) |
| printf (_("\nFile: %s\n"), file_name); |
| |
| if (! process_file_header ()) |
| { |
| fclose (file); |
| return; |
| } |
| |
| process_section_headers (file); |
| |
| process_program_headers (file); |
| |
| process_dynamic_segment (file); |
| |
| process_relocs (file); |
| |
| process_symbol_table (file); |
| |
| process_syminfo (file); |
| |
| process_version_sections (file); |
| |
| process_section_contents (file); |
| |
| process_arch_specific (file); |
| |
| fclose (file); |
| |
| if (section_headers) |
| { |
| free (section_headers); |
| section_headers = NULL; |
| } |
| |
| if (string_table) |
| { |
| free (string_table); |
| string_table = NULL; |
| } |
| |
| if (dynamic_strings) |
| { |
| free (dynamic_strings); |
| dynamic_strings = NULL; |
| } |
| |
| if (dynamic_symbols) |
| { |
| free (dynamic_symbols); |
| dynamic_symbols = NULL; |
| num_dynamic_syms = 0; |
| } |
| |
| if (dynamic_syminfo) |
| { |
| free (dynamic_syminfo); |
| dynamic_syminfo = NULL; |
| } |
| } |
| |
| #ifdef SUPPORT_DISASSEMBLY |
| /* Needed by the i386 disassembler. For extra credit, someone could |
| fix this so that we insert symbolic addresses here, esp for GOT/PLT |
| symbols */ |
| |
| void |
| print_address (unsigned int addr, FILE * outfile) |
| { |
| fprintf (outfile,"0x%8.8x", addr); |
| } |
| |
| /* Needed by the i386 disassembler. */ |
| void |
| db_task_printsym (unsigned int addr) |
| { |
| print_address (addr, stderr); |
| } |
| #endif |
| |
| int |
| main (argc, argv) |
| int argc; |
| char ** argv; |
| { |
| #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) |
| setlocale (LC_MESSAGES, ""); |
| #endif |
| bindtextdomain (PACKAGE, LOCALEDIR); |
| textdomain (PACKAGE); |
| |
| parse_args (argc, argv); |
| |
| if (optind < (argc - 1)) |
| show_name = 1; |
| |
| while (optind < argc) |
| process_file (argv [optind ++]); |
| |
| if (dump_sects != NULL) |
| free (dump_sects); |
| |
| return 0; |
| } |