+/* readelf.c -- display contents of an ELF format file
+ Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+
+ Originally developed by Eric Youngdale <eric@andante.jic.com>
+ Modifications by Nick Clifton <nickc@redhat.com>
+
+ This file is part of GNU Binutils.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 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. */
+
+/* readelf.c
+ Copyright (C) 2004 Philip Guo, MIT CSAIL Program Analysis Group
+
+ This file was modified by Philip Guo, MIT CSAIL Program Analysis Group,
+ to perform recording of function return types and parameter types
+ for Kvasir, a Valgrind skin that implements the C language
+ front-end for the Daikon Invariant Detection System.
+
+ This file interprets the DWARF2 debugging information within
+ the ELF binary and then calls functions in typedata.c
+ My changes are denoted by //PG marks
+*/
+
+
+#include <assert.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <time.h>
+
+#if __GNUC__ >= 2
+/* Define BFD64 here, even if our default architecture is 32 bit ELF
+ as this will allow us to read in and parse 64bit and 32bit ELF files.
+ Only do this if we believe that the compiler can support a 64 bit
+ data type. For now we only rely on GCC being able to do this. */
+#define BFD64
+#endif
+
+#include "bfd.h"
+
+#include "elf/common.h"
+#include "elf/external.h"
+#include "elf/internal.h"
+#include "elf/dwarf2.h"
+
+#include "typedata.h" //PG
+
+/* 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 "bucomm.h"
+#include "getopt.h"
+//#include "libiberty.h"
+
+char *program_name = "readelf";
+unsigned long dynamic_addr;
+bfd_size_type dynamic_size;
+char *dynamic_strings;
+char *string_table;
+unsigned long string_table_length;
+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];
+long dynamic_info[DT_JMPREL + 1];
+long version_info[16];
+long loadaddr = 0;
+Elf_Internal_Ehdr elf_header;
+Elf_Internal_Shdr *section_headers;
+Elf_Internal_Dyn *dynamic_segment;
+Elf_Internal_Shdr *symtab_shndx_hdr;
+int show_name;
+int do_dynamic;
+int do_syms;
+int do_reloc;
+int do_sections;
+int do_segments;
+int do_unwind;
+int do_using_dynamic;
+int do_header;
+int do_dump;
+int do_version;
+int do_wide;
+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 do_debug_frames;
+int do_debug_frames_interp;
+int do_debug_macinfo;
+int do_debug_str;
+int do_debug_loc;
+int do_arch;
+int do_notes;
+int is_32bit_elf;
+
+//PG set this equal to 1 to print out results
+int print_results = 0;
+
+//PG declarations
+/*
+char tag_is_relevant_entry(unsigned long tag);
+void initialize_dwarf_entry_array(unsigned long num_entries);
+void destroy_dwarf_entry_array(void);
+
+char tag_is_modifier_type(unsigned long tag);
+char tag_is_collection_type(unsigned long tag);
+char tag_is_base_type(unsigned long tag);
+char tag_is_member(unsigned long tag);
+char tag_is_enumerator(unsigned long tag);
+char tag_is_function(unsigned long tag);
+char tag_is_formal_parameter(unsigned long tag);
+*/
+
+/* 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)
+
+/* How to rpint a vma value. */
+typedef enum print_mode
+{
+ HEX,
+ DEC,
+ DEC_5,
+ UNSIGNED,
+ PREFIX_HEX,
+ FULL_HEX,
+ LONG_HEX
+}
+print_mode;
+
+/* Forward declarations for dumb compilers. */
+static void print_vma
+ PARAMS ((bfd_vma, print_mode));
+static void print_symbol
+ PARAMS ((int, const char *));
+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 void (*byte_put)
+ PARAMS ((unsigned char *, bfd_vma, int));
+static void byte_put_little_endian
+ PARAMS ((unsigned char *, bfd_vma, int));
+static void byte_put_big_endian
+ PARAMS ((unsigned char *, bfd_vma, int));
+static const char *get_mips_dynamic_type
+ PARAMS ((unsigned long));
+static const char *get_sparc64_dynamic_type
+ PARAMS ((unsigned long));
+static const char *get_ppc64_dynamic_type
+ PARAMS ((unsigned long));
+static const char *get_parisc_dynamic_type
+ PARAMS ((unsigned long));
+static const char *get_ia64_dynamic_type
+ PARAMS ((unsigned long));
+static const char *get_dynamic_type
+ PARAMS ((unsigned long));
+static int slurp_rela_relocs
+ PARAMS ((FILE *, unsigned long, unsigned long, Elf_Internal_Rela **,
+ unsigned long *));
+static int slurp_rel_relocs
+ PARAMS ((FILE *, unsigned long, unsigned long, Elf_Internal_Rela **,
+ unsigned long *));
+static int dump_relocations
+ PARAMS ((FILE *, unsigned long, unsigned long, Elf_Internal_Sym *,
+ unsigned long, char *, int));
+static char *get_file_type
+ PARAMS ((unsigned));
+static char *get_machine_name
+ PARAMS ((unsigned));
+static char *get_machine_flags
+ PARAMS ((unsigned, unsigned));
+static const char *get_mips_segment_type
+ PARAMS ((unsigned long));
+static const char *get_parisc_segment_type
+ PARAMS ((unsigned long));
+static const char *get_ia64_segment_type
+ PARAMS ((unsigned long));
+static const char *get_segment_type
+ PARAMS ((unsigned long));
+static const char *get_mips_section_type_name
+ PARAMS ((unsigned int));
+static const char *get_parisc_section_type_name
+ PARAMS ((unsigned int));
+static const char *get_ia64_section_type_name
+ PARAMS ((unsigned int));
+static const char *get_section_type_name
+ PARAMS ((unsigned int));
+static const char *get_symbol_binding
+ PARAMS ((unsigned int));
+static const char *get_symbol_type
+ PARAMS ((unsigned int));
+static const char *get_symbol_visibility
+ PARAMS ((unsigned int));
+static const char *get_symbol_index_type
+ PARAMS ((unsigned int));
+static const char *get_dynamic_flags
+ PARAMS ((bfd_vma));
+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 int process_unwind
+ PARAMS ((FILE *));
+static void dynamic_segment_mips_val
+ PARAMS ((Elf_Internal_Dyn *));
+static void dynamic_segment_parisc_val
+ PARAMS ((Elf_Internal_Dyn *));
+static void dynamic_segment_ia64_val
+ PARAMS ((Elf_Internal_Dyn *));
+static int process_dynamic_segment
+ PARAMS ((FILE *));
+static int process_symbol_table
+ PARAMS ((FILE *));
+static int process_syminfo
+ PARAMS ((FILE *));
+static int process_section_contents
+ PARAMS ((FILE *));
+static int process_mips_specific
+ PARAMS ((FILE *));
+static int 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 int get_32bit_section_headers
+ PARAMS ((FILE *, unsigned int));
+static int get_64bit_section_headers
+ PARAMS ((FILE *, unsigned int));
+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 *, Elf_Internal_Shdr *));
+static Elf_Internal_Sym *get_64bit_elf_symbols
+ PARAMS ((FILE *, Elf_Internal_Shdr *));
+static const char *get_elf_section_flags
+ PARAMS ((bfd_vma));
+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 ((Elf_Internal_Shdr *, FILE *));
+#endif
+static int dump_section
+ PARAMS ((Elf_Internal_Shdr *, FILE *));
+static int display_debug_section
+ PARAMS ((Elf_Internal_Shdr *, FILE *));
+static int display_debug_info
+ PARAMS ((Elf_Internal_Shdr *, unsigned char *, FILE *));
+static int display_debug_not_supported
+ PARAMS ((Elf_Internal_Shdr *, unsigned char *, FILE *));
+static int prescan_debug_info
+ PARAMS ((Elf_Internal_Shdr *, unsigned char *, FILE *));
+static int display_debug_lines
+ PARAMS ((Elf_Internal_Shdr *, unsigned char *, FILE *));
+static int display_debug_pubnames
+ PARAMS ((Elf_Internal_Shdr *, unsigned char *, FILE *));
+static int display_debug_abbrev
+ PARAMS ((Elf_Internal_Shdr *, unsigned char *, FILE *));
+static int display_debug_aranges
+ PARAMS ((Elf_Internal_Shdr *, unsigned char *, FILE *));
+static int display_debug_frames
+ PARAMS ((Elf_Internal_Shdr *, unsigned char *, FILE *));
+static int display_debug_macinfo
+ PARAMS ((Elf_Internal_Shdr *, unsigned char *, FILE *));
+static int display_debug_str
+ PARAMS ((Elf_Internal_Shdr *, unsigned char *, FILE *));
+static int display_debug_loc
+ PARAMS ((Elf_Internal_Shdr *, unsigned char *, FILE *));
+static unsigned char *process_abbrev_section
+ PARAMS ((unsigned char *, unsigned char *));
+static void load_debug_str
+ PARAMS ((FILE *));
+static void free_debug_str
+ PARAMS ((void));
+static const char *fetch_indirect_string
+ PARAMS ((unsigned long));
+static void load_debug_loc
+ PARAMS ((FILE *));
+static void free_debug_loc
+ PARAMS ((void));
+static unsigned long read_leb128
+ PARAMS ((unsigned char *, int *, int));
+static int process_extended_line_op
+ PARAMS ((unsigned char *, int, int));
+static void reset_state_machine
+ PARAMS ((int));
+//char *get_TAG_name
+// PARAMS ((unsigned long)); //PG don't make this static since typedata.c needs it - put it in typedata.h instead
+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,
+ unsigned long, unsigned long, int, dwarf_entry*, char));
+static unsigned char *read_and_display_attr_value
+ PARAMS ((unsigned long, unsigned long, unsigned char *, unsigned long,
+ unsigned long, unsigned long, int, dwarf_entry*, char));
+static unsigned char *display_block
+ PARAMS ((unsigned char *, unsigned long, char));
+static void decode_location_expression
+ PARAMS ((unsigned char *, unsigned int, unsigned long, char, long*));
+static void request_dump
+ PARAMS ((unsigned int, int));
+static const char *get_elf_class
+ PARAMS ((unsigned int));
+static const char *get_data_encoding
+ PARAMS ((unsigned int));
+static const char *get_osabi_name
+ PARAMS ((unsigned int));
+static int guess_is_rela
+ PARAMS ((unsigned long));
+static const char *get_note_type
+ PARAMS ((unsigned int));
+static const char *get_netbsd_elfcore_note_type
+ PARAMS ((unsigned int));
+static int process_note
+ PARAMS ((Elf_Internal_Note *));
+static int process_corefile_note_segment
+ PARAMS ((FILE *, bfd_vma, bfd_vma));
+static int process_corefile_note_segments
+ PARAMS ((FILE *));
+static int process_corefile_contents
+ PARAMS ((FILE *));
+static int process_arch_specific
+ PARAMS ((FILE *));
+static int process_gnu_liblist
+ PARAMS ((FILE *));
+
+
+typedef int Elf32_Word;
+
+#define UNKNOWN -1
+
+#define SECTION_NAME(X) ((X) == NULL ? "<none>" : \
+ ((X)->sh_name >= string_table_length \
+ ? "<corrupt>" : string_table + (X)->sh_name))
+
+/* Given st_shndx I, map to section_headers index. */
+#define SECTION_HEADER_INDEX(I) \
+ ((I) < SHN_LORESERVE \
+ ? (I) \
+ : ((I) <= SHN_HIRESERVE \
+ ? 0 \
+ : (I) - (SHN_HIRESERVE + 1 - SHN_LORESERVE)))
+
+/* Reverse of the above. */
+#define SECTION_HEADER_NUM(N) \
+ ((N) < SHN_LORESERVE \
+ ? (N) \
+ : (N) + (SHN_HIRESERVE + 1 - SHN_LORESERVE))
+
+#define SECTION_HEADER(I) (section_headers + SECTION_HEADER_INDEX (I))
+
+#define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */
+
+#define BYTE_GET(field) byte_get (field, sizeof (field))
+
+/* If we can support a 64 bit data type then BFD64 should be defined
+ and sizeof (bfd_vma) == 8. In this case when translating from an
+ external 8 byte field to an internal field, we can assume that the
+ internal field is also 8 bytes wide and so we can extract all the data.
+ If, however, BFD64 is not defined, then we must assume that the
+ internal data structure only has 4 byte wide fields that are the
+ equivalent of the 8 byte wide external counterparts, and so we must
+ truncate the data. */
+#ifdef BFD64
+#define BYTE_GET8(field) byte_get (field, -8)
+#else
+#define BYTE_GET8(field) byte_get (field, 8)
+#endif
+
+#define NUM_ELEM(array) (sizeof (array) / sizeof ((array)[0]))
+
+#define GET_ELF_SYMBOLS(file, section) \
+ (is_32bit_elf ? get_32bit_elf_symbols (file, section) \
+ : get_64bit_elf_symbols (file, section))
+
+//PG - begin custom libiberty.a functions
+
+PTR xmalloc (size_t size)
+{
+ return malloc(size);
+}
+
+PTR xrealloc (PTR oldmem, size_t size)
+{
+ return realloc(oldmem, size);
+}
+
+#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
+
+//PG - end
+
+static void
+error VPARAMS ((const char *message, ...))
+{
+ VA_OPEN (args, message);
+ VA_FIXEDARG (args, const char *, message);
+
+ fprintf (stderr, _("%s: Error: "), program_name);
+ vfprintf (stderr, message, args);
+ VA_CLOSE (args);
+}
+
+static void
+warn VPARAMS ((const char *message, ...))
+{
+ VA_OPEN (args, message);
+ VA_FIXEDARG (args, const char *, message);
+
+ fprintf (stderr, _("%s: Warning: "), program_name);
+ vfprintf (stderr, message, args);
+ VA_CLOSE (args);
+}
+
+static PTR get_data PARAMS ((PTR, FILE *, long, size_t, const char *));
+
+static PTR
+get_data (var, file, offset, size, reason)
+ PTR var;
+ FILE *file;
+ long offset;
+ size_t size;
+ const char *reason;
+{
+ PTR mvar;
+
+ if (size == 0)
+ return NULL;
+
+ if (fseek (file, offset, SEEK_SET))
+ {
+ error (_("Unable to seek to %x for %s\n"), offset, reason);
+ return NULL;
+ }
+
+ mvar = var;
+ if (mvar == NULL)
+ {
+ mvar = (PTR) malloc (size);
+
+ if (mvar == NULL)
+ {
+ error (_("Out of memory allocating %d bytes for %s\n"),
+ size, reason);
+ return NULL;
+ }
+ }
+
+ if (fread (mvar, size, 1, file) != 1)
+ {
+ error (_("Unable to read in %d bytes of %s\n"), size, reason);
+ if (mvar != var)
+ free (mvar);
+ return NULL;
+ }
+
+ return mvar;
+}
+
+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);
+
+#ifndef BFD64
+ 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 just use the 4 byte extraction code. */
+ /* Fall through. */
+#endif
+ case 4:
+ return ((unsigned long) (field[0]))
+ | (((unsigned long) (field[1])) << 8)
+ | (((unsigned long) (field[2])) << 16)
+ | (((unsigned long) (field[3])) << 24);
+
+#ifdef BFD64
+ case 8:
+ 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);
+#endif
+ default:
+ error (_("Unhandled data length: %d\n"), size);
+ abort ();
+ }
+}
+
+static void
+byte_put_little_endian (field, value, size)
+ unsigned char * field;
+ bfd_vma value;
+ int size;
+{
+ switch (size)
+ {
+ case 8:
+ field[7] = (((value >> 24) >> 24) >> 8) & 0xff;
+ field[6] = ((value >> 24) >> 24) & 0xff;
+ field[5] = ((value >> 24) >> 16) & 0xff;
+ field[4] = ((value >> 24) >> 8) & 0xff;
+ /* Fall through. */
+ case 4:
+ field[3] = (value >> 24) & 0xff;
+ field[2] = (value >> 16) & 0xff;
+ /* Fall through. */
+ case 2:
+ field[1] = (value >> 8) & 0xff;
+ /* Fall through. */
+ case 1:
+ field[0] = value & 0xff;
+ break;
+
+ default:
+ error (_("Unhandled data length: %d\n"), size);
+ abort ();
+ }
+}
+
+/* Print a VMA value. */
+static void
+print_vma (vma, mode)
+ bfd_vma vma;
+ print_mode mode;
+{
+#ifdef BFD64
+ if (is_32bit_elf)
+#endif
+ {
+ switch (mode)
+ {
+ case FULL_HEX: printf ("0x"); /* drop through */
+ case LONG_HEX: printf ("%8.8lx", (unsigned long) vma); break;
+ case PREFIX_HEX: printf ("0x"); /* drop through */
+ case HEX: printf ("%lx", (unsigned long) vma); break;
+ case DEC: printf ("%ld", (unsigned long) vma); break;
+ case DEC_5: printf ("%5ld", (long) vma); break;
+ case UNSIGNED: printf ("%lu", (unsigned long) vma); break;
+ }
+ }
+#ifdef BFD64
+ else
+ {
+ switch (mode)
+ {
+ case FULL_HEX:
+ printf ("0x");
+ /* drop through */
+
+ case LONG_HEX:
+ printf_vma (vma);
+ break;
+
+ case PREFIX_HEX:
+ printf ("0x");
+ /* drop through */
+
+ case HEX:
+#if BFD_HOST_64BIT_LONG
+ printf ("%lx", vma);
+#else
+ if (_bfd_int64_high (vma))
+ printf ("%lx%8.8lx", _bfd_int64_high (vma), _bfd_int64_low (vma));
+ else
+ printf ("%lx", _bfd_int64_low (vma));
+#endif
+ break;
+
+ case DEC:
+#if BFD_HOST_64BIT_LONG
+ printf ("%ld", vma);
+#else
+ if (_bfd_int64_high (vma))
+ /* ugg */
+ printf ("++%ld", _bfd_int64_low (vma));
+ else
+ printf ("%ld", _bfd_int64_low (vma));
+#endif
+ break;
+
+ case DEC_5:
+#if BFD_HOST_64BIT_LONG
+ printf ("%5ld", vma);
+#else
+ if (_bfd_int64_high (vma))
+ /* ugg */
+ printf ("++%ld", _bfd_int64_low (vma));
+ else
+ printf ("%5ld", _bfd_int64_low (vma));
+#endif
+ break;
+
+ case UNSIGNED:
+#if BFD_HOST_64BIT_LONG
+ printf ("%lu", vma);
+#else
+ if (_bfd_int64_high (vma))
+ /* ugg */
+ printf ("++%lu", _bfd_int64_low (vma));
+ else
+ printf ("%lu", _bfd_int64_low (vma));
+#endif
+ break;
+ }
+ }
+#endif
+}
+
+/* Display a symbol on stdout. If do_wide is not true then
+ format the symbol to be at most WIDTH characters,
+ truncating as necessary. If WIDTH is negative then
+ format the string to be exactly - WIDTH characters,
+ truncating or padding as necessary. */
+
+static void
+print_symbol (width, symbol)
+ int width;
+ const char *symbol;
+{
+ if (do_wide)
+ printf ("%s", symbol);
+ else if (width < 0)
+ printf ("%-*.*s", width, width, symbol);
+ else
+ printf ("%-.*s", width, symbol);
+}
+
+static bfd_vma
+byte_get_big_endian (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);
+
+#ifndef BFD64
+ 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);
+#else
+ case 8:
+ 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);
+#endif
+
+ default:
+ error (_("Unhandled data length: %d\n"), size);
+ abort ();
+ }
+}
+
+static void
+byte_put_big_endian (field, value, size)
+ unsigned char * field;
+ bfd_vma value;
+ int size;
+{
+ switch (size)
+ {
+ case 8:
+ field[7] = value & 0xff;
+ field[6] = (value >> 8) & 0xff;
+ field[5] = (value >> 16) & 0xff;
+ field[4] = (value >> 24) & 0xff;
+ value >>= 16;
+ value >>= 16;
+ /* Fall through. */
+ case 4:
+ field[3] = value & 0xff;
+ field[2] = (value >> 8) & 0xff;
+ value >>= 16;
+ /* Fall through. */
+ case 2:
+ field[1] = value & 0xff;
+ value >>= 8;
+ /* Fall through. */
+ case 1:
+ field[0] = value & 0xff;
+ break;
+
+ default:
+ error (_("Unhandled data length: %d\n"), size);
+ abort ();
+ }
+}
+
+/* Guess the relocation size commonly used by the specific machines. */
+
+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_DLX:
+ case EM_OPENRISC:
+ case EM_OR32:
+ case EM_M32R:
+ case EM_CYGNUS_M32R:
+ case EM_D10V:
+ case EM_CYGNUS_D10V:
+ case EM_MIPS:
+ case EM_MIPS_RS3_LE:
+ return FALSE;
+
+ /* Targets that use RELA relocations. */
+ case EM_68K:
+ case EM_H8_300:
+ case EM_H8_300H:
+ case EM_H8S:
+ case EM_SPARC32PLUS:
+ case EM_SPARCV9:
+ case EM_SPARC:
+ case EM_PPC:
+ case EM_PPC64:
+ case EM_V850:
+ case EM_CYGNUS_V850:
+ case EM_D30V:
+ case EM_CYGNUS_D30V:
+ case EM_MN10200:
+ case EM_CYGNUS_MN10200:
+ case EM_MN10300:
+ case EM_CYGNUS_MN10300:
+ case EM_FR30:
+ case EM_CYGNUS_FR30:
+ case EM_CYGNUS_FRV:
+ case EM_SH:
+ case EM_ALPHA:
+ case EM_MCORE:
+ case EM_IA_64:
+ case EM_AVR:
+ case EM_AVR_OLD:
+ case EM_CRIS:
+ case EM_860:
+ case EM_X86_64:
+ case EM_S390:
+ case EM_S390_OLD:
+ case EM_MMIX:
+ case EM_MSP430:
+ case EM_MSP430_OLD:
+ case EM_XSTORMY16:
+ case EM_VAX:
+ case EM_IP2K:
+ case EM_IP2K_OLD:
+ case EM_IQ2000:
+ case EM_XTENSA:
+ case EM_XTENSA_OLD:
+ return TRUE;
+
+ case EM_MMA:
+ case EM_PCP:
+ case EM_NCPU:
+ case EM_NDR1:
+ case EM_STARCORE:
+ case EM_ME16:
+ case EM_ST100:
+ case EM_TINYJ:
+ case EM_FX66:
+ case EM_ST9PLUS:
+ case EM_ST7:
+ case EM_68HC16:
+ case EM_68HC11:
+ case EM_68HC08:
+ case EM_68HC05:
+ case EM_SVX:
+ case EM_ST19:
+ default:
+ warn (_("Don't know about relocations on this machine architecture\n"));
+ return FALSE;
+ }
+}
+
+static int
+slurp_rela_relocs (file, rel_offset, rel_size, relasp, nrelasp)
+ FILE *file;
+ unsigned long rel_offset;
+ unsigned long rel_size;
+ Elf_Internal_Rela **relasp;
+ unsigned long *nrelasp;
+{
+ Elf_Internal_Rela *relas;
+ unsigned long nrelas;
+ unsigned int i;
+
+ if (is_32bit_elf)
+ {
+ Elf32_External_Rela *erelas;
+
+ erelas = (Elf32_External_Rela *) get_data (NULL, file, rel_offset,
+ rel_size, _("relocs"));
+ if (!erelas)
+ return 0;
+
+ nrelas = rel_size / sizeof (Elf32_External_Rela);
+
+ relas = (Elf_Internal_Rela *)
+ malloc (nrelas * sizeof (Elf_Internal_Rela));
+
+ if (relas == NULL)
+ {
+ error(_("out of memory parsing relocs"));
+ return 0;
+ }
+
+ for (i = 0; i < nrelas; i++)
+ {
+ relas[i].r_offset = BYTE_GET (erelas[i].r_offset);
+ relas[i].r_info = BYTE_GET (erelas[i].r_info);
+ relas[i].r_addend = BYTE_GET (erelas[i].r_addend);
+ }
+
+ free (erelas);
+ }
+ else
+ {
+ Elf64_External_Rela *erelas;
+
+ erelas = (Elf64_External_Rela *) get_data (NULL, file, rel_offset,
+ rel_size, _("relocs"));
+ if (!erelas)
+ return 0;
+
+ nrelas = rel_size / sizeof (Elf64_External_Rela);
+
+ relas = (Elf_Internal_Rela *)
+ malloc (nrelas * sizeof (Elf_Internal_Rela));
+
+ if (relas == NULL)
+ {
+ error(_("out of memory parsing relocs"));
+ return 0;
+ }
+
+ for (i = 0; i < nrelas; 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);
+ }
+ *relasp = relas;
+ *nrelasp = nrelas;
+ return 1;
+}
+
+static int
+slurp_rel_relocs (file, rel_offset, rel_size, relsp, nrelsp)
+ FILE *file;
+ unsigned long rel_offset;
+ unsigned long rel_size;
+ Elf_Internal_Rela **relsp;
+ unsigned long *nrelsp;
+{
+ Elf_Internal_Rela *rels;
+ unsigned long nrels;
+ unsigned int i;
+
+ if (is_32bit_elf)
+ {
+ Elf32_External_Rel *erels;
+
+ erels = (Elf32_External_Rel *) get_data (NULL, file, rel_offset,
+ rel_size, _("relocs"));
+ if (!erels)
+ return 0;
+
+ nrels = rel_size / sizeof (Elf32_External_Rel);
+
+ rels = (Elf_Internal_Rela *) malloc (nrels * sizeof (Elf_Internal_Rela));
+
+ if (rels == NULL)
+ {
+ error(_("out of memory parsing relocs"));
+ return 0;
+ }
+
+ for (i = 0; i < nrels; i++)
+ {
+ rels[i].r_offset = BYTE_GET (erels[i].r_offset);
+ rels[i].r_info = BYTE_GET (erels[i].r_info);
+ rels[i].r_addend = 0;
+ }
+
+ free (erels);
+ }
+ else
+ {
+ Elf64_External_Rel *erels;
+
+ erels = (Elf64_External_Rel *) get_data (NULL, file, rel_offset,
+ rel_size, _("relocs"));
+ if (!erels)
+ return 0;
+
+ nrels = rel_size / sizeof (Elf64_External_Rel);
+
+ rels = (Elf_Internal_Rela *) malloc (nrels * sizeof (Elf_Internal_Rela));
+
+ if (rels == NULL)
+ {
+ error(_("out of memory parsing relocs"));
+ return 0;
+ }
+
+ for (i = 0; i < nrels; i++)
+ {
+ rels[i].r_offset = BYTE_GET8 (erels[i].r_offset);
+ rels[i].r_info = BYTE_GET8 (erels[i].r_info);
+ rels[i].r_addend = 0;
+ }
+
+ free (erels);
+ }
+ *relsp = rels;
+ *nrelsp = nrels;
+ return 1;
+}
+
+/* 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_Rela *rels;
+
+
+ if (is_rela == UNKNOWN)
+ is_rela = guess_is_rela (elf_header.e_machine);
+
+ if (is_rela)
+ {
+ if (!slurp_rela_relocs (file, rel_offset, rel_size, &rels, &rel_size))
+ return 0;
+ }
+ else
+ {
+ if (!slurp_rel_relocs (file, rel_offset, rel_size, &rels, &rel_size))
+ return 0;
+ }
+
+ if (is_32bit_elf)
+ {
+ if (is_rela)
+ {
+ if (do_wide)
+ printf (_(" Offset Info Type Sym. Value Symbol's Name + Addend\n"));
+ else
+ printf (_(" Offset Info Type Sym.Value Sym. Name + Addend\n"));
+ }
+ else
+ {
+ if (do_wide)
+ printf (_(" Offset Info Type Sym. Value Symbol's Name\n"));
+ else
+ printf (_(" Offset Info Type Sym.Value Sym. Name\n"));
+ }
+ }
+ else
+ {
+ if (is_rela)
+ {
+ if (do_wide)
+ printf (_(" Offset Info Type Symbol's Value Symbol's Name + Addend\n"));
+ else
+ printf (_(" Offset Info Type Sym. Value Sym. Name + Addend\n"));
+ }
+ else
+ {
+ if (do_wide)
+ printf (_(" Offset Info Type Symbol's Value Symbol's Name\n"));
+ else
+ printf (_(" Offset Info Type Sym. Value Sym. Name\n"));
+ }
+ }
+
+ for (i = 0; i < rel_size; i++)
+ {
+ const char *rtype;
+ bfd_vma offset;
+ bfd_vma info;
+ bfd_vma symtab_index;
+ bfd_vma type;
+
+ 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
+ {
+ /* The #ifdef BFD64 below is to prevent a compile time warning.
+ We know that if we do not have a 64 bit data type that we
+ will never execute this code anyway. */
+#ifdef BFD64
+ type = ELF64_R_TYPE (info);
+
+ symtab_index = ELF64_R_SYM (info);
+#endif
+ }
+
+ if (is_32bit_elf)
+ {
+#ifdef _bfd_int64_low
+ printf ("%8.8lx %8.8lx ", _bfd_int64_low (offset), _bfd_int64_low (info));
+#else
+ printf ("%8.8lx %8.8lx ", offset, info);
+#endif
+ }
+ else
+ {
+#ifdef _bfd_int64_low
+ printf (do_wide
+ ? "%8.8lx%8.8lx %8.8lx%8.8lx "
+ : "%4.4lx%8.8lx %4.4lx%8.8lx ",
+ _bfd_int64_high (offset),
+ _bfd_int64_low (offset),
+ _bfd_int64_high (info),
+ _bfd_int64_low (info));
+#else
+ printf (do_wide
+ ? "%16.16lx %16.16lx "
+ : "%12.12lx %12.12lx ",
+ offset, info);
+#endif
+ }
+
+ switch (elf_header.e_machine)
+ {
+ default:
+ rtype = NULL;
+ break;
+
+ case EM_386:
+ case EM_486:
+ rtype = elf_i386_reloc_type (type);
+ break;
+
+ }
+
+ if (rtype == NULL)
+#ifdef _bfd_int64_low
+ printf (_("unrecognized: %-7lx"), _bfd_int64_low (type));
+#else
+ printf (_("unrecognized: %-7lx"), type);
+#endif
+ else
+ printf (do_wide ? "%-22.22s" : "%-17.17s", rtype);
+
+ if (symtab_index)
+ {
+ if (symtab == NULL || symtab_index >= nsyms)
+ printf (" bad symbol index: %08lx", (unsigned long) symtab_index);
+ else
+ {
+ Elf_Internal_Sym *psym;
+
+ psym = symtab + symtab_index;
+
+ printf (" ");
+ print_vma (psym->st_value, LONG_HEX);
+ printf (is_32bit_elf ? " " : " ");
+
+ if (psym->st_name == 0)
+ {
+ const char *sec_name = "<null>";
+ char name_buf[40];
+
+ if (ELF_ST_TYPE (psym->st_info) == STT_SECTION)
+ {
+ bfd_vma sec_index = (bfd_vma) -1;
+
+ if (psym->st_shndx < SHN_LORESERVE)
+ sec_index = psym->st_shndx;
+ else if (psym->st_shndx > SHN_LORESERVE)
+ sec_index = psym->st_shndx - (SHN_HIRESERVE + 1
+ - SHN_LORESERVE);
+
+ if (sec_index != (bfd_vma) -1)
+ sec_name = SECTION_NAME (section_headers + sec_index);
+ else if (psym->st_shndx == SHN_ABS)
+ sec_name = "ABS";
+ else if (psym->st_shndx == SHN_COMMON)
+ sec_name = "COMMON";
+ else
+ {
+ sprintf (name_buf, "<section 0x%x>",
+ (unsigned int) psym->st_shndx);
+ sec_name = name_buf;
+ }
+ }
+ print_symbol (22, sec_name);
+ }
+ else if (strtab == NULL)
+ printf (_("<string table index %3ld>"), psym->st_name);
+ else
+ print_symbol (22, strtab + psym->st_name);
+
+ if (is_rela)
+ printf (" + %lx", (unsigned long) rels[i].r_addend);
+ }
+ }
+ else if (is_rela)
+ {
+ printf ("%*c", is_32bit_elf ? (do_wide ? 34 : 28) : (do_wide ? 26 : 20), ' ');
+ print_vma (rels[i].r_addend, LONG_HEX);
+ }
+
+ putchar ('\n');
+
+ }
+
+ free (rels);
+
+ return 1;
+}
+
+static const char *
+get_mips_dynamic_type (type)
+ unsigned long type;
+{
+ switch (type)
+ {
+ default:
+ return NULL;
+ }
+}
+
+static const char *
+get_sparc64_dynamic_type (type)
+ unsigned long type;
+{
+ switch (type)
+ {
+ default:
+ return NULL;
+ }
+}
+
+static const char *
+get_ppc64_dynamic_type (type)
+ unsigned long type;
+{
+ switch (type)
+ {
+ default:
+ return NULL;
+ }
+}
+
+static const char *
+get_parisc_dynamic_type (type)
+ unsigned long type;
+{
+ switch (type)
+ {
+ default:
+ return NULL;
+ }
+}
+
+static const char *
+get_ia64_dynamic_type (type)
+ unsigned long type;
+{
+ switch (type)
+ {
+ 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_RUNPATH: return "RUNPATH";
+ case DT_FLAGS: return "FLAGS";
+
+ case DT_PREINIT_ARRAY: return "PREINIT_ARRAY";
+ case DT_PREINIT_ARRAYSZ: return "PREINIT_ARRAYSZ";
+
+ case DT_CHECKSUM: return "CHECKSUM";
+ case DT_PLTPADSZ: return "PLTPADSZ";
+ case DT_MOVEENT: return "MOVEENT";
+ case DT_MOVESZ: return "MOVESZ";
+ case DT_FEATURE: return "FEATURE";
+ case DT_POSFLAG_1: return "POSFLAG_1";
+ case DT_SYMINSZ: return "SYMINSZ";
+ case DT_SYMINENT: return "SYMINENT"; /* aka VALRNGHI */
+
+ case DT_ADDRRNGLO: return "ADDRRNGLO";
+ case DT_CONFIG: return "CONFIG";
+ case DT_DEPAUDIT: return "DEPAUDIT";
+ case DT_AUDIT: return "AUDIT";
+ case DT_PLTPAD: return "PLTPAD";
+ case DT_MOVETAB: return "MOVETAB";
+ case DT_SYMINFO: return "SYMINFO"; /* aka ADDRRNGHI */
+
+ case DT_VERSYM: return "VERSYM";
+
+ case DT_RELACOUNT: return "RELACOUNT";
+ case DT_RELCOUNT: return "RELCOUNT";
+ case DT_FLAGS_1: return "FLAGS_1";
+ case DT_VERDEF: return "VERDEF";
+ case DT_VERDEFNUM: return "VERDEFNUM";
+ case DT_VERNEED: return "VERNEED";
+ case DT_VERNEEDNUM: return "VERNEEDNUM";
+
+ case DT_AUXILIARY: return "AUXILIARY";
+ case DT_USED: return "USED";
+ case DT_FILTER: return "FILTER";
+
+ case DT_GNU_PRELINKED: return "GNU_PRELINKED";
+ case DT_GNU_CONFLICT: return "GNU_CONFLICT";
+ case DT_GNU_CONFLICTSZ: return "GNU_CONFLICTSZ";
+ case DT_GNU_LIBLIST: return "GNU_LIBLIST";
+ case DT_GNU_LIBLISTSZ: return "GNU_LIBLISTSZ";
+
+ default:
+ if ((type >= DT_LOPROC) && (type <= DT_HIPROC))
+ {
+ const char *result;
+
+ switch (elf_header.e_machine)
+ {
+ case EM_MIPS:
+ case EM_MIPS_RS3_LE:
+ result = get_mips_dynamic_type (type);
+ break;
+ case EM_SPARCV9:
+ result = get_sparc64_dynamic_type (type);
+ break;
+ case EM_PPC64:
+ result = get_ppc64_dynamic_type (type);
+ break;
+ case EM_IA_64:
+ result = get_ia64_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))
+ {
+ const char *result;
+
+ switch (elf_header.e_machine)
+ {
+ case EM_PARISC:
+ result = get_parisc_dynamic_type (type);
+ break;
+ default:
+ result = NULL;
+ break;
+ }
+
+ if (result != NULL)
+ return result;
+
+ sprintf (buff, _("Operating System specific: %lx"), type);
+ }
+ else
+ sprintf (buff, _("<unknown>: %lx"), type);
+
+ return buff;
+ }
+}
+
+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[64]; /* XXX */
+
+ switch (e_machine)
+ {
+ case EM_NONE: return _("None");
+ case EM_M32: return "WE32100";
+ case EM_SPARC: return "Sparc";
+ case EM_386: return "Intel 80386";
+ case EM_68K: return "MC68000";
+ case EM_88K: return "MC88000";
+ case EM_486: return "Intel 80486";
+ case EM_860: return "Intel 80860";
+ case EM_MIPS: return "MIPS R3000";
+ case EM_S370: return "IBM System/370";
+ case EM_MIPS_RS3_LE: return "MIPS R4000 big-endian";
+ case EM_OLD_SPARCV9: return "Sparc v9 (old)";
+ case EM_PARISC: return "HPPA";
+ case EM_PPC_OLD: return "Power PC (old)";
+ case EM_SPARC32PLUS: return "Sparc v8+" ;
+ case EM_960: return "Intel 90860";
+ case EM_PPC: return "PowerPC";
+ case EM_PPC64: return "PowerPC64";
+ case EM_V800: return "NEC V800";
+ case EM_FR20: return "Fujitsu FR20";
+ case EM_RH32: return "TRW RH32";
+ case EM_MCORE: return "MCORE";
+ case EM_ARM: return "ARM";
+ case EM_OLD_ALPHA: return "Digital Alpha (old)";
+ case EM_SH: return "Renesas / SuperH SH";
+ case EM_SPARCV9: return "Sparc v9";
+ case EM_TRICORE: return "Siemens Tricore";
+ case EM_ARC: return "ARC";
+ case EM_H8_300: return "Renesas H8/300";
+ case EM_H8_300H: return "Renesas H8/300H";
+ case EM_H8S: return "Renesas H8S";
+ case EM_H8_500: return "Renesas H8/500";
+ case EM_IA_64: return "Intel IA-64";
+ case EM_MIPS_X: return "Stanford MIPS-X";
+ case EM_COLDFIRE: return "Motorola Coldfire";
+ case EM_68HC12: return "Motorola M68HC12";
+ case EM_ALPHA: return "Alpha";
+ case EM_CYGNUS_D10V:
+ case EM_D10V: return "d10v";
+ case EM_CYGNUS_D30V:
+ case EM_D30V: return "d30v";
+ case EM_CYGNUS_M32R:
+ case EM_M32R: return "Renesas M32R (formerly Mitsubishi M32r)";
+ case EM_CYGNUS_V850:
+ case EM_V850: return "NEC v850";
+ case EM_CYGNUS_MN10300:
+ case EM_MN10300: return "mn10300";
+ case EM_CYGNUS_MN10200:
+ case EM_MN10200: return "mn10200";
+ case EM_CYGNUS_FR30:
+ case EM_FR30: return "Fujitsu FR30";
+ case EM_CYGNUS_FRV: return "Fujitsu FR-V";
+ case EM_PJ_OLD:
+ case EM_PJ: return "picoJava";
+ case EM_MMA: return "Fujitsu Multimedia Accelerator";
+ case EM_PCP: return "Siemens PCP";
+ case EM_NCPU: return "Sony nCPU embedded RISC processor";
+ case EM_NDR1: return "Denso NDR1 microprocesspr";
+ case EM_STARCORE: return "Motorola Star*Core processor";
+ case EM_ME16: return "Toyota ME16 processor";
+ case EM_ST100: return "STMicroelectronics ST100 processor";
+ case EM_TINYJ: return "Advanced Logic Corp. TinyJ embedded processor";
+ case EM_FX66: return "Siemens FX66 microcontroller";
+ case EM_ST9PLUS: return "STMicroelectronics ST9+ 8/16 bit microcontroller";
+ case EM_ST7: return "STMicroelectronics ST7 8-bit microcontroller";
+ case EM_68HC16: return "Motorola MC68HC16 Microcontroller";
+ case EM_68HC11: return "Motorola MC68HC11 Microcontroller";
+ case EM_68HC08: return "Motorola MC68HC08 Microcontroller";
+ case EM_68HC05: return "Motorola MC68HC05 Microcontroller";
+ case EM_SVX: return "Silicon Graphics SVx";
+ case EM_ST19: return "STMicroelectronics ST19 8-bit microcontroller";
+ case EM_VAX: return "Digital VAX";
+ case EM_AVR_OLD:
+ case EM_AVR: return "Atmel AVR 8-bit microcontroller";
+ case EM_CRIS: return "Axis Communications 32-bit embedded processor";
+ case EM_JAVELIN: return "Infineon Technologies 32-bit embedded cpu";
+ case EM_FIREPATH: return "Element 14 64-bit DSP processor";
+ case EM_ZSP: return "LSI Logic's 16-bit DSP processor";
+ case EM_MMIX: return "Donald Knuth's educational 64-bit processor";
+ case EM_HUANY: return "Harvard Universitys's machine-independent object format";
+ case EM_PRISM: return "Vitesse Prism";
+ case EM_X86_64: return "Advanced Micro Devices X86-64";
+ case EM_S390_OLD:
+ case EM_S390: return "IBM S/390";
+ case EM_XSTORMY16: return "Sanyo Xstormy16 CPU core";
+ case EM_OPENRISC:
+ case EM_OR32: return "OpenRISC";
+ case EM_DLX: return "OpenDLX";
+ case EM_IP2K_OLD:
+ case EM_IP2K: return "Ubicom IP2xxx 8-bit microcontrollers";
+ case EM_IQ2000: return "Vitesse IQ2000";
+ case EM_XTENSA_OLD:
+ case EM_XTENSA: return "Tensilica Xtensa Processor";
+ 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';
+ return buf;
+}
+
+static const char *
+get_mips_segment_type (type)
+ unsigned long type;
+{
+ return NULL;
+}
+
+static const char *
+get_parisc_segment_type (type)
+ unsigned long type;
+{
+ return NULL;
+}
+
+static const char *
+get_ia64_segment_type (type)
+ unsigned long type;
+{
+ 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";
+ case PT_TLS: return "TLS";
+
+ case PT_GNU_EH_FRAME:
+ return "GNU_EH_FRAME";
+
+ default:
+ if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC))
+ {
+ const char *result;
+
+ switch (elf_header.e_machine)
+ {
+ case EM_MIPS:
+ case EM_MIPS_RS3_LE:
+ result = get_mips_segment_type (p_type);
+ break;
+ case EM_PARISC:
+ result = get_parisc_segment_type (p_type);
+ break;
+ case EM_IA_64:
+ result = get_ia64_segment_type (p_type);
+ break;
+ default:
+ result = NULL;
+ break;
+ }
+
+ if (result != NULL)
+ return result;
+
+ sprintf (buff, "LOPROC+%lx", p_type - PT_LOPROC);
+ }
+ else if ((p_type >= PT_LOOS) && (p_type <= PT_HIOS))
+ {
+ const char *result;
+
+ switch (elf_header.e_machine)
+ {
+ case EM_PARISC:
+ result = get_parisc_segment_type (p_type);
+ break;
+ case EM_IA_64:
+ result = get_ia64_segment_type (p_type);
+ break;
+ default:
+ result = NULL;
+ break;
+ }
+
+ if (result != NULL)
+ return result;
+
+ sprintf (buff, "LOOS+%lx", p_type - PT_LOOS);
+ }
+ else
+ sprintf (buff, _("<unknown>: %lx"), p_type);
+
+ return buff;
+ }
+}
+
+static const char *
+get_mips_section_type_name (sh_type)
+ unsigned int sh_type;
+{
+ return NULL;
+}
+
+static const char *
+get_parisc_section_type_name (sh_type)
+ unsigned int sh_type;
+{
+ return NULL;
+}
+
+static const char *
+get_ia64_section_type_name (sh_type)
+ unsigned int sh_type;
+{
+ 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_INIT_ARRAY: return "INIT_ARRAY";
+ case SHT_FINI_ARRAY: return "FINI_ARRAY";
+ case SHT_PREINIT_ARRAY: return "PREINIT_ARRAY";
+ case SHT_GROUP: return "GROUP";
+ case SHT_SYMTAB_SHNDX: return "SYMTAB SECTION INDICIES";
+ case SHT_GNU_verdef: return "VERDEF";
+ case SHT_GNU_verneed: return "VERNEED";
+ case SHT_GNU_versym: return "VERSYM";
+ case 0x6ffffff0: return "VERSYM";
+ case 0x6ffffffc: return "VERDEF";
+ case 0x7ffffffd: return "AUXILIARY";
+ case 0x7fffffff: return "FILTER";
+ case SHT_GNU_LIBLIST: return "GNU_LIBLIST";
+
+ default:
+ if ((sh_type >= SHT_LOPROC) && (sh_type <= SHT_HIPROC))
+ {
+ const char *result;
+
+ switch (elf_header.e_machine)
+ {
+ case EM_MIPS:
+ case EM_MIPS_RS3_LE:
+ result = get_mips_section_type_name (sh_type);
+ break;
+ case EM_PARISC:
+ result = get_parisc_section_type_name (sh_type);
+ break;
+ case EM_IA_64:
+ result = get_ia64_section_type_name (sh_type);
+ break;
+ default:
+ result = NULL;
+ break;
+ }
+
+ if (result != NULL)
+ return result;
+
+ sprintf (buff, "LOPROC+%x", sh_type - SHT_LOPROC);
+ }
+ else if ((sh_type >= SHT_LOOS) && (sh_type <= SHT_HIOS))
+ sprintf (buff, "LOOS+%x", sh_type - SHT_LOOS);
+ else if ((sh_type >= SHT_LOUSER) && (sh_type <= SHT_HIUSER))
+ sprintf (buff, "LOUSER+%x", sh_type - SHT_LOUSER);
+ else
+ sprintf (buff, _("<unknown>: %x"), sh_type);
+
+ return buff;
+ }
+}
+
+#define OPTION_DEBUG_DUMP 512
+
+struct option options[] =
+{
+ {"all", no_argument, 0, 'a'},
+ {"file-header", no_argument, 0, 'h'},
+ {"program-headers", no_argument, 0, 'l'},
+ {"headers", no_argument, 0, 'e'},
+ {"histogram", no_argument, 0, 'I'},
+ {"segments", no_argument, 0, 'l'},
+ {"sections", no_argument, 0, 'S'},
+ {"section-headers", no_argument, 0, 'S'},
+ {"symbols", no_argument, 0, 's'},
+ {"syms", no_argument, 0, 's'},
+ {"relocs", no_argument, 0, 'r'},
+ {"notes", no_argument, 0, 'n'},
+ {"dynamic", no_argument, 0, 'd'},
+ {"arch-specific", no_argument, 0, 'A'},
+ {"version-info", no_argument, 0, 'V'},
+ {"use-dynamic", no_argument, 0, 'D'},
+ {"hex-dump", required_argument, 0, 'x'},
+ {"debug-dump", optional_argument, 0, OPTION_DEBUG_DUMP},
+ {"unwind", no_argument, 0, 'u'},
+#ifdef SUPPORT_DISASSEMBLY
+ {"instruction-dump", required_argument, 0, 'i'},
+#endif
+
+ {"version", no_argument, 0, 'v'},
+ {"wide", no_argument, 0, 'W'},
+ {"help", no_argument, 0, 'H'},
+ {0, no_argument, 0, 0}
+};
+
+static void
+usage ()
+{
+ fprintf (stdout, _("Usage: readelf <option(s)> elf-file(s)\n"));
+ fprintf (stdout, _(" Display information about the contents of ELF format files\n"));
+ fprintf (stdout, _(" Options are:\n\
+ -a --all Equivalent to: -h -l -S -s -r -d -V -A -I\n\
+ -h --file-header Display the ELF file header\n\
+ -l --program-headers Display the program headers\n\
+ --segments An alias for --program-headers\n\
+ -S --section-headers Display the sections' header\n\
+ --sections An alias for --section-headers\n\
+ -e --headers Equivalent to: -h -l -S\n\
+ -s --syms Display the symbol table\n\
+ --symbols An alias for --syms\n\
+ -n --notes Display the core notes (if present)\n\
+ -r --relocs Display the relocations (if present)\n\
+ -u --unwind Display the unwind info (if present)\n\
+ -d --dynamic Display the dynamic segment (if present)\n\
+ -V --version-info Display the version sections (if present)\n\
+ -A --arch-specific Display architecture specific information (if any).\n\
+ -D --use-dynamic Use the dynamic section info when displaying symbols\n\
+ -x --hex-dump=<number> Dump the contents of section <number>\n\
+ -w[liaprmfFso] or\n\
+ --debug-dump[=line,=info,=abbrev,=pubnames,=ranges,=macro,=frames,=str,=loc]\n\
+ Display the contents of DWARF2 debug sections\n"));
+#ifdef SUPPORT_DISASSEMBLY
+ fprintf (stdout, _("\
+ -i --instruction-dump=<number>\n\
+ Disassemble the contents of section <number>\n"));
+#endif
+ fprintf (stdout, _("\
+ -I --histogram Display histogram of bucket list lengths\n\
+ -W --wide Allow output width to exceed 80 characters\n\
+ -H --help Display this information\n\
+ -v --version Display the version number of readelf\n"));
+ fprintf (stdout, _("Report bugs to %s\n"), REPORT_BUGS_TO);
+
+ exit (0);
+}
+
+static void
+request_dump (section, type)
+ unsigned int section;
+ int 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, "ersuahnldSDAIw::x:i:vVWH", 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_unwind++;
+ do_dynamic++;
+ do_header++;
+ do_sections++;
+ do_segments++;
+ do_version++;
+ do_histogram++;
+ do_arch++;
+ do_notes++;
+ break;
+ case 'e':
+ do_header++;
+ do_sections++;
+ do_segments++;
+ break;
+ case 'A':
+ do_arch++;
+ break;
+ case 'D':
+ do_using_dynamic++;
+ break;
+ case 'r':
+ do_reloc++;
+ break;
+ case 'u':
+ do_unwind++;
+ break;
+ case 'h':
+ do_header++;
+ break;
+ case 'l':
+ do_segments++;
+ break;
+ case 's':
+ do_syms++;
+ break;
+ case 'S':
+ do_sections++;
+ break;
+ case 'd':
+ do_dynamic++;
+ break;
+ case 'I':
+ do_histogram++;
+ break;
+ case 'n':
+ do_notes++;
+ break;
+ case 'x':
+ do_dump++;
+ section = strtoul (optarg, & cp, 0);
+ if (! *cp && section >= 0)
+ {
+ request_dump (section, HEX_DUMP);
+ break;
+ }
+ goto oops;
+ case 'w':
+ do_dump++;
+ if (optarg == 0)
+ do_debugging = 1;
+ else
+ {
+ unsigned int idx = 0;
+
+ do_debugging = 0;
+
+ while (optarg[idx])
+ switch (optarg[idx++])
+ {
+ 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;
+
+ case 'F':
+ do_debug_frames_interp = 1;
+ case 'f':
+ do_debug_frames = 1;
+ break;
+
+ case 'm':
+ case 'M':
+ do_debug_macinfo = 1;
+ break;
+
+ case 's':
+ case 'S':
+ do_debug_str = 1;
+ break;
+
+ case 'o':
+ case 'O':
+ do_debug_loc = 1;
+ break;
+
+ default:
+ warn (_("Unrecognized debug option '%s'\n"), optarg);
+ break;
+ }
+ }
+ break;
+ case OPTION_DEBUG_DUMP:
+ do_dump++;
+ if (optarg == 0)
+ do_debugging = 1;
+ else
+ {
+ static const char *debug_dump_opt[]
+ = { "line", "info", "abbrev", "pubnames", "ranges",
+ "macro", "frames", "frames-interp", "str", "loc", NULL };
+ unsigned int idx;
+ const char *p;
+
+ do_debugging = 0;
+
+ p = optarg;
+ while (*p)
+ {
+ for (idx = 0; debug_dump_opt[idx]; idx++)
+ {
+ size_t len = strlen (debug_dump_opt[idx]);
+
+ if (strncmp (p, debug_dump_opt[idx], len) == 0
+ && (p[len] == ',' || p[len] == '\0'))
+ {
+ switch (p[0])
+ {
+ case 'i':
+ do_debug_info = 1;
+ break;
+
+ case 'a':
+ do_debug_abbrevs = 1;
+ break;
+
+ case 'l':
+ if (p[1] == 'i')
+ do_debug_lines = 1;
+ else
+ do_debug_loc = 1;
+ break;
+
+ case 'p':
+ do_debug_pubnames = 1;
+ break;
+
+ case 'r':
+ do_debug_aranges = 1;
+ break;
+
+ case 'f':
+ if (len > 6)
+ do_debug_frames_interp = 1;
+ do_debug_frames = 1;
+ break;
+
+ case 'm':
+ do_debug_macinfo = 1;
+ break;
+
+ case 's':
+ do_debug_str = 1;
+ break;
+ }
+
+ p += len;
+ break;
+ }
+ }
+
+ if (debug_dump_opt[idx] == NULL)
+ {
+ warn (_("Unrecognized debug option '%s'\n"), p);
+ p = strchr (p, ',');
+ if (p == NULL)
+ break;
+ }
+
+ if (*p == ',')
+ p++;
+ }
+ }
+ break;
+#ifdef SUPPORT_DISASSEMBLY
+ case 'i':
+ do_dump++;
+ section = strtoul (optarg, & cp, 0);
+ if (! *cp && section >= 0)
+ {
+ request_dump (section, DISASS_DUMP);
+ break;
+ }
+ goto oops;
+#endif
+ case 'v':
+ /* print_version (program_name);*/
+ break;
+ case 'V':
+ do_version++;
+ break;
+ case 'W':
+ do_wide++;
+ break;
+ default:
+ oops:
+ /* xgettext:c-format */
+ error (_("Invalid option '-%c'\n"), c);
+ /* Drop through. */
+ case '?':
+ usage ();
+ }
+ }
+
+ if (!do_dynamic && !do_syms && !do_reloc && !do_unwind && !do_sections
+ && !do_segments && !do_header && !do_dump && !do_version
+ && !do_histogram && !do_debugging && !do_arch && !do_notes)
+ usage ();
+ else if (argc < 3)
+ {
+ warn (_("Nothing to do.\n"));
+ usage();
+ }
+}
+
+static const char *
+get_elf_class (elf_class)
+ unsigned int elf_class;
+{
+ static char buff[32];
+
+ switch (elf_class)
+ {
+ case ELFCLASSNONE: return _("none");
+ case ELFCLASS32: return "ELF32";
+ case ELFCLASS64: return "ELF64";
+ default:
+ sprintf (buff, _("<unknown: %x>"), elf_class);
+ return buff;
+ }
+}
+
+static const char *
+get_data_encoding (encoding)
+ unsigned int encoding;
+{
+ static char buff[32];
+
+ switch (encoding)
+ {
+ case ELFDATANONE: return _("none");
+ case ELFDATA2LSB: return _("2's complement, little endian");
+ case ELFDATA2MSB: return _("2's complement, big endian");
+ default:
+ sprintf (buff, _("<unknown: %x>"), encoding);
+ return buff;
+ }
+}
+
+static const char *
+get_osabi_name (osabi)
+ unsigned int osabi;
+{
+ static char buff[32];
+
+ switch (osabi)
+ {
+ case ELFOSABI_NONE: return "UNIX - System V";
+ case ELFOSABI_HPUX: return "UNIX - HP-UX";
+ case ELFOSABI_NETBSD: return "UNIX - NetBSD";
+ case ELFOSABI_LINUX: return "UNIX - Linux";
+ case ELFOSABI_HURD: return "GNU/Hurd";
+ case ELFOSABI_SOLARIS: return "UNIX - Solaris";
+ case ELFOSABI_AIX: return "UNIX - AIX";
+ case ELFOSABI_IRIX: return "UNIX - IRIX";
+ case ELFOSABI_FREEBSD: return "UNIX - FreeBSD";
+ case ELFOSABI_TRU64: return "UNIX - TRU64";
+ case ELFOSABI_MODESTO: return "Novell - Modesto";
+ case ELFOSABI_OPENBSD: return "UNIX - OpenBSD";
+ case ELFOSABI_OPENVMS: return "VMS - OpenVMS";
+ case ELFOSABI_NSK: return "HP - Non-Stop Kernel";
+ case ELFOSABI_AROS: return "Amiga Research OS";
+ case ELFOSABI_STANDALONE: return _("Standalone App");
+ case ELFOSABI_ARM: return "ARM";
+ default:
+ 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: "));
+ print_vma ((bfd_vma) elf_header.e_entry, PREFIX_HEX);
+ printf (_("\n Start of program headers: "));
+ print_vma ((bfd_vma) elf_header.e_phoff, DEC);
+ printf (_(" (bytes into file)\n Start of section headers: "));
+ print_vma ((bfd_vma) elf_header.e_shoff, DEC);
+ printf (_(" (bytes into file)\n"));
+
+ printf (_(" Flags: 0x%lx%s\n"),
+ (unsigned long) elf_header.e_flags,
+ get_machine_flags (elf_header.e_flags, elf_header.e_machine));
+ printf (_(" Size of this header: %ld (bytes)\n"),
+ (long) elf_header.e_ehsize);
+ printf (_(" Size of program headers: %ld (bytes)\n"),
+ (long) elf_header.e_phentsize);
+ printf (_(" Number of program headers: %ld\n"),
+ (long) elf_header.e_phnum);
+ printf (_(" Size of section headers: %ld (bytes)\n"),
+ (long) elf_header.e_shentsize);
+ printf (_(" Number of section headers: %ld"),
+ (long) elf_header.e_shnum);
+ if (section_headers != NULL && elf_header.e_shnum == 0)
+ printf (" (%ld)", (long) section_headers[0].sh_size);
+ putc ('\n', stdout);
+ printf (_(" Section header string table index: %ld"),
+ (long) elf_header.e_shstrndx);
+ if (section_headers != NULL && elf_header.e_shstrndx == SHN_XINDEX)
+ printf (" (%ld)", (long) section_headers[0].sh_link);
+ putc ('\n', stdout);
+ }
+
+ if (section_headers != NULL)
+ {
+ if (elf_header.e_shnum == 0)
+ elf_header.e_shnum = section_headers[0].sh_size;
+ if (elf_header.e_shstrndx == SHN_XINDEX)
+ elf_header.e_shstrndx = section_headers[0].sh_link;
+ free (section_headers);
+ section_headers = NULL;
+ }
+
+ return 1;
+}
+
+
+static int
+get_32bit_program_headers (file, program_headers)
+ FILE *file;
+ Elf_Internal_Phdr *program_headers;
+{
+ Elf32_External_Phdr *phdrs;
+ Elf32_External_Phdr *external;
+ Elf_Internal_Phdr *internal;
+ unsigned int i;
+
+ phdrs = ((Elf32_External_Phdr *)
+ get_data (NULL, file, elf_header.e_phoff,
+ elf_header.e_phentsize * elf_header.e_phnum,
+ _("program headers")));
+ if (!phdrs)
+ return 0;
+
+ for (i = 0, internal = program_headers, external = phdrs;
+ i < elf_header.e_phnum;
+ i++, internal++, external++)
+ {
+ internal->p_type = BYTE_GET (external->p_type);
+ internal->p_offset = BYTE_GET (external->p_offset);
+ internal->p_vaddr = BYTE_GET (external->p_vaddr);
+ internal->p_paddr = BYTE_GET (external->p_paddr);
+ internal->p_filesz = BYTE_GET (external->p_filesz);
+ internal->p_memsz = BYTE_GET (external->p_memsz);
+ internal->p_flags = BYTE_GET (external->p_flags);
+ internal->p_align = BYTE_GET (external->p_align);
+ }
+
+ free (phdrs);
+
+ return 1;
+}
+
+static int
+get_64bit_program_headers (file, program_headers)
+ FILE *file;
+ Elf_Internal_Phdr *program_headers;
+{
+ Elf64_External_Phdr *phdrs;
+ Elf64_External_Phdr *external;
+ Elf_Internal_Phdr *internal;
+ unsigned int i;
+
+ phdrs = ((Elf64_External_Phdr *)
+ get_data (NULL, file, elf_header.e_phoff,
+ elf_header.e_phentsize * elf_header.e_phnum,
+ _("program headers")));
+ if (!phdrs)
+ return 0;
+
+ for (i = 0, internal = program_headers, external = phdrs;
+ i < elf_header.e_phnum;
+ i++, internal++, external++)
+ {
+ internal->p_type = BYTE_GET (external->p_type);
+ internal->p_flags = BYTE_GET (external->p_flags);
+ internal->p_offset = BYTE_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;
+}
+
+/* Returns 1 if the program headers were loaded. */
+
+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 0;
+ }
+
+ if (do_segments && !do_header)
+ {
+ printf (_("\nElf file type is %s\n"), get_file_type (elf_header.e_type));
+ printf (_("Entry point "));
+ print_vma ((bfd_vma) elf_header.e_entry, PREFIX_HEX);
+ printf (_("\nThere are %d program headers, starting at offset "),
+ elf_header.e_phnum);
+ print_vma ((bfd_vma) elf_header.e_phoff, DEC);
+ printf ("\n");
+ }
+
+ 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)
+ {
+ if (elf_header.e_phnum > 1)
+ printf (_("\nProgram Headers:\n"));
+ else
+ printf (_("\nProgram Headers:\n"));
+
+ if (is_32bit_elf)
+ printf
+ (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n"));
+ else if (do_wide)
+ printf
+ (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n"));
+ else
+ {
+ printf
+ (_(" Type Offset VirtAddr PhysAddr\n"));
+ printf
+ (_(" FileSiz MemSiz Flags Align\n"));
+ }
+ }
+
+ 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 (" %-14.14s ", get_segment_type (segment->p_type));
+
+ if (is_32bit_elf)
+ {
+ printf ("0x%6.6lx ", (unsigned long) segment->p_offset);
+ printf ("0x%8.8lx ", (unsigned long) segment->p_vaddr);
+ printf ("0x%8.8lx ", (unsigned long) segment->p_paddr);
+ printf ("0x%5.5lx ", (unsigned long) segment->p_filesz);
+ printf ("0x%5.5lx ", (unsigned long) segment->p_memsz);
+ printf ("%c%c%c ",
+ (segment->p_flags & PF_R ? 'R' : ' '),
+ (segment->p_flags & PF_W ? 'W' : ' '),
+ (segment->p_flags & PF_X ? 'E' : ' '));
+ printf ("%#lx", (unsigned long) segment->p_align);
+ }
+ else if (do_wide)
+ {
+ if ((unsigned long) segment->p_offset == segment->p_offset)
+ printf ("0x%6.6lx ", (unsigned long) segment->p_offset);
+ else
+ {
+ print_vma (segment->p_offset, FULL_HEX);
+ putchar (' ');
+ }
+
+ print_vma (segment->p_vaddr, FULL_HEX);
+ putchar (' ');
+ print_vma (segment->p_paddr, FULL_HEX);
+ putchar (' ');
+
+ if ((unsigned long) segment->p_filesz == segment->p_filesz)
+ printf ("0x%6.6lx ", (unsigned long) segment->p_filesz);
+ else
+ {
+ print_vma (segment->p_filesz, FULL_HEX);
+ putchar (' ');
+ }
+
+ if ((unsigned long) segment->p_memsz == segment->p_memsz)
+ printf ("0x%6.6lx", (unsigned long) segment->p_memsz);
+ else
+ {
+ print_vma (segment->p_offset, FULL_HEX);
+ }
+
+ printf (" %c%c%c ",
+ (segment->p_flags & PF_R ? 'R' : ' '),
+ (segment->p_flags & PF_W ? 'W' : ' '),
+ (segment->p_flags & PF_X ? 'E' : ' '));
+
+ if ((unsigned long) segment->p_align == segment->p_align)
+ printf ("%#lx", (unsigned long) segment->p_align);
+ else
+ {
+ print_vma (segment->p_align, PREFIX_HEX);
+ }
+ }
+ else
+ {
+ print_vma (segment->p_offset, FULL_HEX);
+ putchar (' ');
+ print_vma (segment->p_vaddr, FULL_HEX);
+ putchar (' ');
+ print_vma (segment->p_paddr, FULL_HEX);
+ printf ("\n ");
+ print_vma (segment->p_filesz, FULL_HEX);
+ putchar (' ');
+ print_vma (segment->p_memsz, FULL_HEX);
+ printf (" %c%c%c ",
+ (segment->p_flags & PF_R ? 'R' : ' '),
+ (segment->p_flags & PF_W ? 'W' : ' '),
+ (segment->p_flags & PF_X ? 'E' : ' '));
+ print_vma (segment->p_align, HEX);
+ }
+ }
+
+ switch (segment->p_type)
+ {
+ case PT_LOAD:
+ if (loadaddr == -1)
+ {
+ unsigned long align_mask = -segment->p_align;
+
+ if (align_mask == 0)
+ --align_mask;
+ loadaddr = ((segment->p_vaddr & align_mask)
+ - (segment->p_offset & align_mask));
+ }
+ 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, (long) segment->p_offset, SEEK_SET))
+ error (_("Unable to find program interpreter name\n"));
+ else
+ {
+ program_interpreter[0] = 0;
+ fscanf (file, "%63s", program_interpreter);
+
+ if (do_segments)
+ printf (_("\n [Requesting program interpreter: %s]"),
+ program_interpreter);
+ }
+ break;
+ }
+
+ if (do_segments)
+ putc ('\n', stdout);
+ }
+
+ if (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++)
+ {
+ unsigned int j;
+ Elf_Internal_Shdr *section;
+
+ segment = program_headers + i;
+ section = section_headers;
+
+ printf (" %2.2d ", i);
+
+ for (j = 1; j < elf_header.e_shnum; j++, section++)
+ {
+ if (section->sh_size > 0
+ /* 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)
+ : ((bfd_vma) section->sh_offset >= segment->p_offset
+ && (section->sh_offset + section->sh_size
+ <= segment->p_offset + segment->p_filesz))))
+ printf ("%s ", SECTION_NAME (section));
+ }
+
+ putc ('\n',stdout);
+ }
+ }
+
+ free (program_headers);
+
+ return 1;
+}
+
+
+static int
+get_32bit_section_headers (file, num)
+ FILE *file;
+ unsigned int num;
+{
+ Elf32_External_Shdr *shdrs;
+ Elf_Internal_Shdr *internal;
+ unsigned int i;
+
+ shdrs = ((Elf32_External_Shdr *)
+ get_data (NULL, file, elf_header.e_shoff,
+ elf_header.e_shentsize * num,
+ _("section headers")));
+ if (!shdrs)
+ return 0;
+
+ section_headers = ((Elf_Internal_Shdr *)
+ malloc (num * sizeof (Elf_Internal_Shdr)));
+
+ // printf("Just allocated section_headers at 0x%x, size = %d * %d\n",
+ // section_headers, num, sizeof (Elf_Internal_Shdr)); //PG
+
+ if (section_headers == NULL)
+ {
+ error (_("Out of memory\n"));
+ return 0;
+ }
+
+ for (i = 0, internal = section_headers;
+ i < num;
+ i++, internal++)
+ {
+ internal->sh_name = BYTE_GET (shdrs[i].sh_name);
+ internal->sh_type = BYTE_GET (shdrs[i].sh_type);
+ internal->sh_flags = BYTE_GET (shdrs[i].sh_flags);
+ internal->sh_addr = BYTE_GET (shdrs[i].sh_addr);
+ internal->sh_offset = BYTE_GET (shdrs[i].sh_offset);
+ internal->sh_size = BYTE_GET (shdrs[i].sh_size);
+ internal->sh_link = BYTE_GET (shdrs[i].sh_link);
+ internal->sh_info = BYTE_GET (shdrs[i].sh_info);
+ internal->sh_addralign = BYTE_GET (shdrs[i].sh_addralign);
+ internal->sh_entsize = BYTE_GET (shdrs[i].sh_entsize);
+ }
+
+ free (shdrs);
+
+ return 1;
+}
+
+static int
+get_64bit_section_headers (file, num)
+ FILE *file;
+ unsigned int num;
+{
+ Elf64_External_Shdr *shdrs;
+ Elf_Internal_Shdr *internal;
+ unsigned int i;
+
+ shdrs = ((Elf64_External_Shdr *)
+ get_data (NULL, file, elf_header.e_shoff,
+ elf_header.e_shentsize * num,
+ _("section headers")));
+ if (!shdrs)
+ return 0;
+
+ section_headers = ((Elf_Internal_Shdr *)
+ malloc (num * sizeof (Elf_Internal_Shdr)));
+
+ if (section_headers == NULL)
+ {
+ error (_("Out of memory\n"));
+ return 0;
+ }
+
+ for (i = 0, internal = section_headers;
+ i < num;
+ i++, internal++)
+ {
+ internal->sh_name = BYTE_GET (shdrs[i].sh_name);
+ internal->sh_type = BYTE_GET (shdrs[i].sh_type);
+ internal->sh_flags = BYTE_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, section)
+ FILE *file;
+ Elf_Internal_Shdr *section;
+{
+ unsigned long number;
+ Elf32_External_Sym *esyms;
+ Elf_External_Sym_Shndx *shndx;
+ Elf_Internal_Sym *isyms;
+ Elf_Internal_Sym *psym;
+ unsigned int j;
+
+ esyms = ((Elf32_External_Sym *)
+ get_data (NULL, file, section->sh_offset,
+ section->sh_size, _("symbols")));
+ if (!esyms)
+ return NULL;
+
+ shndx = NULL;
+ if (symtab_shndx_hdr != NULL
+ && (symtab_shndx_hdr->sh_link
+ == (unsigned long) SECTION_HEADER_NUM (section - section_headers)))
+ {
+ shndx = ((Elf_External_Sym_Shndx *)
+ get_data (NULL, file, symtab_shndx_hdr->sh_offset,
+ symtab_shndx_hdr->sh_size, _("symtab shndx")));
+ if (!shndx)
+ {
+ free (esyms);
+ return NULL;
+ }
+ }
+
+ number = section->sh_size / section->sh_entsize;
+ isyms = (Elf_Internal_Sym *) malloc (number * sizeof (Elf_Internal_Sym));
+
+ if (isyms == NULL)
+ {
+ error (_("Out of memory\n"));
+ if (shndx)
+ free (shndx);
+ free (esyms);
+ return NULL;
+ }
+
+ for (j = 0, psym = isyms;
+ j < number;
+ j++, psym++)
+ {
+ psym->st_name = BYTE_GET (esyms[j].st_name);
+ psym->st_value = BYTE_GET (esyms[j].st_value);
+ psym->st_size = BYTE_GET (esyms[j].st_size);
+ psym->st_shndx = BYTE_GET (esyms[j].st_shndx);
+ if (psym->st_shndx == SHN_XINDEX && shndx != NULL)
+ psym->st_shndx
+ = byte_get ((unsigned char *) &shndx[j], sizeof (shndx[j]));
+ psym->st_info = BYTE_GET (esyms[j].st_info);
+ psym->st_other = BYTE_GET (esyms[j].st_other);
+ }
+
+ if (shndx)
+ free (shndx);
+ free (esyms);
+
+ return isyms;
+}
+
+static Elf_Internal_Sym *
+get_64bit_elf_symbols (file, section)
+ FILE *file;
+ Elf_Internal_Shdr *section;
+{
+ unsigned long number;
+ Elf64_External_Sym *esyms;
+ Elf_External_Sym_Shndx *shndx;
+ Elf_Internal_Sym *isyms;
+ Elf_Internal_Sym *psym;
+ unsigned int j;
+
+ esyms = ((Elf64_External_Sym *)
+ get_data (NULL, file, section->sh_offset,
+ section->sh_size, _("symbols")));
+ if (!esyms)
+ return NULL;
+
+ shndx = NULL;
+ if (symtab_shndx_hdr != NULL
+ && (symtab_shndx_hdr->sh_link
+ == (unsigned long) SECTION_HEADER_NUM (section - section_headers)))
+ {
+ shndx = ((Elf_External_Sym_Shndx *)
+ get_data (NULL, file, symtab_shndx_hdr->sh_offset,
+ symtab_shndx_hdr->sh_size, _("symtab shndx")));
+ if (!shndx)
+ {
+ free (esyms);
+ return NULL;
+ }
+ }
+
+ number = section->sh_size / section->sh_entsize;
+ isyms = (Elf_Internal_Sym *) malloc (number * sizeof (Elf_Internal_Sym));
+
+ if (isyms == NULL)
+ {
+ error (_("Out of memory\n"));
+ if (shndx)
+ free (shndx);
+ free (esyms);
+ return NULL;
+ }
+
+ for (j = 0, psym = isyms;
+ j < number;
+ j++, psym++)
+ {
+ psym->st_name = BYTE_GET (esyms[j].st_name);
+ psym->st_info = BYTE_GET (esyms[j].st_info);
+ psym->st_other = BYTE_GET (esyms[j].st_other);
+ psym->st_shndx = BYTE_GET (esyms[j].st_shndx);
+ if (psym->st_shndx == SHN_XINDEX && shndx != NULL)
+ psym->st_shndx
+ = byte_get ((unsigned char *) &shndx[j], sizeof (shndx[j]));
+ psym->st_value = BYTE_GET8 (esyms[j].st_value);
+ psym->st_size = BYTE_GET8 (esyms[j].st_size);
+ }
+
+ if (shndx)
+ free (shndx);
+ free (esyms);
+
+ return isyms;
+}
+
+static const char *
+get_elf_section_flags (sh_flags)
+ bfd_vma sh_flags;
+{
+ static char buff[32];
+
+ *buff = 0;
+
+ while (sh_flags)
+ {
+ bfd_vma flag;
+
+ flag = sh_flags & - sh_flags;
+ sh_flags &= ~ flag;
+
+ switch (flag)
+ {
+ case SHF_WRITE: strcat (buff, "W"); break;
+ case SHF_ALLOC: strcat (buff, "A"); break;
+ case SHF_EXECINSTR: strcat (buff, "X"); break;
+ case SHF_MERGE: strcat (buff, "M"); break;
+ case SHF_STRINGS: strcat (buff, "S"); break;
+ case SHF_INFO_LINK: strcat (buff, "I"); break;
+ case SHF_LINK_ORDER: strcat (buff, "L"); break;
+ case SHF_OS_NONCONFORMING: strcat (buff, "O"); break;
+ case SHF_GROUP: strcat (buff, "G"); break;
+ case SHF_TLS: strcat (buff, "T"); break;
+
+ default:
+ if (flag & SHF_MASKOS)
+ {
+ strcat (buff, "o");
+ sh_flags &= ~ SHF_MASKOS;
+ }
+ else if (flag & SHF_MASKPROC)
+ {
+ strcat (buff, "p");
+ sh_flags &= ~ SHF_MASKPROC;
+ }
+ else
+ strcat (buff, "x");
+ break;
+ }
+ }
+
+ return buff;
+}
+
+static int
+process_section_headers (file)
+ FILE *file;
+{
+ Elf_Internal_Shdr *section;
+ unsigned int i;
+
+ section_headers = NULL;
+
+ if (elf_header.e_shnum == 0)
+ {
+ if (do_sections)
+ printf (_("\nThere are no sections in this file.\n"));
+
+ return 1;
+ }
+
+ if (do_sections && !do_header)
+ printf (_("There are %d section headers, starting at offset 0x%lx:\n"),
+ elf_header.e_shnum, (unsigned long) elf_header.e_shoff);
+
+ if (is_32bit_elf)
+ {
+ if (! get_32bit_section_headers (file, elf_header.e_shnum))
+ return 0;
+ }
+ else if (! get_64bit_section_headers (file, elf_header.e_shnum))
+ return 0;
+
+ /* Read in the string table, so that we have names to display. */
+ section = SECTION_HEADER (elf_header.e_shstrndx);
+
+ if (section->sh_size != 0)
+ {
+ string_table = (char *) get_data (NULL, file, section->sh_offset,
+ section->sh_size, _("string table"));
+
+ string_table_length = section->sh_size;
+ }
+
+ /* Scan the sections for the dynamic symbol table
+ and dynamic string table and debug sections. */
+ dynamic_symbols = NULL;
+ dynamic_strings = NULL;
+ dynamic_syminfo = NULL;
+ symtab_shndx_hdr = NULL;
+
+ 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);
+ }
+ else if (section->sh_type == SHT_STRTAB
+ && strcmp (name, ".dynstr") == 0)
+ {
+ if (dynamic_strings != NULL)
+ {
+ error (_("File contains multiple dynamic string tables\n"));
+ continue;
+ }
+
+ dynamic_strings = (char *) get_data (NULL, file, section->sh_offset,
+ section->sh_size,
+ _("dynamic strings"));
+ }
+ else if (section->sh_type == SHT_SYMTAB_SHNDX)
+ {
+ if (symtab_shndx_hdr != NULL)
+ {
+ error (_("File contains multiple symtab shndx tables\n"));
+ continue;
+ }
+ symtab_shndx_hdr = section;
+ }
+ else if ((do_debugging || do_debug_info || do_debug_abbrevs
+ || do_debug_lines || do_debug_pubnames || do_debug_aranges
+ || do_debug_frames || do_debug_macinfo || do_debug_str
+ || do_debug_loc)
+ && 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))
+ || (do_debug_frames && (strcmp (name, "frame") == 0))
+ || (do_debug_macinfo && (strcmp (name, "macinfo") == 0))
+ || (do_debug_str && (strcmp (name, "str") == 0))
+ || (do_debug_loc && (strcmp (name, "loc") == 0))
+ )
+ request_dump (i, DEBUG_DUMP);
+ }
+ /* linkonce section to be combined with .debug_info at link time. */
+ else if ((do_debugging || do_debug_info)
+ && strncmp (name, ".gnu.linkonce.wi.", 17) == 0)
+ request_dump (i, DEBUG_DUMP);
+ else if (do_debug_frames && strcmp (name, ".eh_frame") == 0)
+ request_dump (i, DEBUG_DUMP);
+ }
+
+ if (! do_sections)
+ return 1;
+
+ if (elf_header.e_shnum > 1)
+ printf (_("\nSection Headers:\n"));
+ else
+ printf (_("\nSection Header:\n"));
+
+ if (is_32bit_elf)
+ printf
+ (_(" [Nr] Name Type Addr Off Size ES Flg Lk Inf Al\n"));
+ else if (do_wide)
+ printf
+ (_(" [Nr] Name Type Address Off Size ES Flg Lk Inf Al\n"));
+ else
+ {
+ printf (_(" [Nr] Name Type Address Offset\n"));
+ printf (_(" Size EntSize Flags Link Info Align\n"));
+ }
+
+ for (i = 0, section = section_headers;
+ i < elf_header.e_shnum;
+ i++, section++)
+ {
+ printf (" [%2u] %-17.17s %-15.15s ",
+ SECTION_HEADER_NUM (i),
+ SECTION_NAME (section),
+ get_section_type_name (section->sh_type));
+
+ if (is_32bit_elf)
+ {
+ print_vma (section->sh_addr, LONG_HEX);
+
+ printf ( " %6.6lx %6.6lx %2.2lx",
+ (unsigned long) section->sh_offset,
+ (unsigned long) section->sh_size,
+ (unsigned long) section->sh_entsize);
+
+ printf (" %3s ", get_elf_section_flags (section->sh_flags));
+
+ printf ("%2ld %3lx %2ld\n",
+ (unsigned long) section->sh_link,
+ (unsigned long) section->sh_info,
+ (unsigned long) section->sh_addralign);
+ }
+ else if (do_wide)
+ {
+ print_vma (section->sh_addr, LONG_HEX);
+
+ if ((long) section->sh_offset == section->sh_offset)
+ printf (" %6.6lx", (unsigned long) section->sh_offset);
+ else
+ {
+ putchar (' ');
+ print_vma (section->sh_offset, LONG_HEX);
+ }
+
+ if ((unsigned long) section->sh_size == section->sh_size)
+ printf (" %6.6lx", (unsigned long) section->sh_size);
+ else
+ {
+ putchar (' ');
+ print_vma (section->sh_size, LONG_HEX);
+ }
+
+ if ((unsigned long) section->sh_entsize == section->sh_entsize)
+ printf (" %2.2lx", (unsigned long) section->sh_entsize);
+ else
+ {
+ putchar (' ');
+ print_vma (section->sh_entsize, LONG_HEX);
+ }
+
+ printf (" %3s ", get_elf_section_flags (section->sh_flags));
+
+ printf ("%2ld %3lx ",
+ (unsigned long) section->sh_link,
+ (unsigned long) section->sh_info);
+
+ if ((unsigned long) section->sh_addralign == section->sh_addralign)
+ printf ("%2ld\n", (unsigned long) section->sh_addralign);
+ else
+ {
+ print_vma (section->sh_addralign, DEC);
+ putchar ('\n');
+ }
+ }
+ else
+ {
+ putchar (' ');
+ print_vma (section->sh_addr, LONG_HEX);
+ if ((long) section->sh_offset == section->sh_offset)
+ printf (" %8.8lx", (unsigned long) section->sh_offset);
+ else
+ {
+ printf (" ");
+ print_vma (section->sh_offset, LONG_HEX);
+ }
+ printf ("\n ");
+ print_vma (section->sh_size, LONG_HEX);
+ printf (" ");
+ print_vma (section->sh_entsize, LONG_HEX);
+
+ printf (" %3s ", get_elf_section_flags (section->sh_flags));
+
+ printf (" %2ld %3lx %ld\n",
+ (unsigned long) section->sh_link,
+ (unsigned long) section->sh_info,
+ (unsigned long) section->sh_addralign);
+ }
+ }
+
+ printf (_("Key to Flags:\n\
+ W (write), A (alloc), X (execute), M (merge), S (strings)\n\
+ I (info), L (link order), G (group), x (unknown)\n\
+ O (extra OS processing required) o (OS specific), p (processor specific)\n"));
+
+ return 1;
+}
+
+struct
+{
+ const char *name;
+ int reloc;
+ int size;
+ int rela;
+} dynamic_relocations [] =
+{
+ { "REL", DT_REL, DT_RELSZ, FALSE },
+ { "RELA", DT_RELA, DT_RELASZ, TRUE },
+ { "PLT", DT_JMPREL, DT_PLTRELSZ, UNKNOWN }
+};
+
+/* Process the reloc section. */
+static int
+process_relocs (file)
+ FILE *file;
+{
+ unsigned long rel_size;
+ unsigned long rel_offset;
+
+
+ if (!do_reloc)
+ return 1;
+
+ if (do_using_dynamic)
+ {
+ int is_rela;
+ const char *name;
+ int has_dynamic_reloc;
+ unsigned int i;
+
+ has_dynamic_reloc = 0;
+
+ for (i = 0; i < ARRAY_SIZE (dynamic_relocations); i++)
+ {
+ is_rela = dynamic_relocations [i].rela;
+ name = dynamic_relocations [i].name;
+ rel_size = dynamic_info [dynamic_relocations [i].size];
+ rel_offset = dynamic_info [dynamic_relocations [i].reloc];
+
+ has_dynamic_reloc |= rel_size;
+
+ if (is_rela == UNKNOWN)
+ {
+ if (dynamic_relocations [i].reloc == DT_JMPREL)
+ switch (dynamic_info[DT_PLTREL])
+ {
+ case DT_REL:
+ is_rela = FALSE;
+ break;
+ case DT_RELA:
+ is_rela = TRUE;
+ break;
+ }
+ }
+
+ if (rel_size)
+ {
+ printf
+ (_("\n'%s' relocation section at offset 0x%lx contains %ld bytes:\n"),
+ name, rel_offset, rel_size);
+
+ dump_relocations (file, rel_offset - loadaddr, rel_size,
+ dynamic_symbols, num_dynamic_syms,
+ dynamic_strings, is_rela);
+ }
+ }
+
+ if (! has_dynamic_reloc)
+ printf (_("\nThere are no dynamic relocations in this file.\n"));
+ }
+ else
+ {
+ Elf_Internal_Shdr *section;
+ unsigned long i;
+ int found = 0;
+
+ for (i = 0, section = section_headers;
+ i < elf_header.e_shnum;
+ i++, section++)
+ {
+ if ( section->sh_type != SHT_RELA
+ && section->sh_type != SHT_REL)
+ continue;
+
+ rel_offset = section->sh_offset;
+ rel_size = section->sh_size;
+
+ if (rel_size)
+ {
+ Elf_Internal_Shdr *strsec;
+ 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));
+
+ symtab = NULL;
+ strtab = NULL;
+ nsyms = 0;
+ if (section->sh_link)
+ {
+ Elf_Internal_Shdr *symsec;
+
+ symsec = SECTION_HEADER (section->sh_link);
+ nsyms = symsec->sh_size / symsec->sh_entsize;
+ symtab = GET_ELF_SYMBOLS (file, symsec);
+
+ if (symtab == NULL)
+ continue;
+
+ strsec = SECTION_HEADER (symsec->sh_link);
+
+ strtab = (char *) get_data (NULL, file, strsec->sh_offset,
+ strsec->sh_size,
+ _("string table"));
+ }
+ is_rela = section->sh_type == SHT_RELA;
+
+ dump_relocations (file, rel_offset, rel_size,
+ symtab, nsyms, strtab, is_rela);
+
+ if (strtab)
+ free (strtab);
+ if (symtab)
+ free (symtab);
+
+ found = 1;
+ }
+ }
+
+ if (! found)
+ printf (_("\nThere are no relocations in this file.\n"));
+ }
+
+ return 1;
+}
+
+#include "unwind-ia64.h"
+
+/* An absolute address consists of a section and an offset. If the
+ section is NULL, the offset itself is the address, otherwise, the
+ address equals to LOAD_ADDRESS(section) + offset. */
+
+struct absaddr
+ {
+ unsigned short section;
+ bfd_vma offset;
+ };
+
+struct unw_aux_info
+ {
+ struct unw_table_entry
+ {
+ struct absaddr start;
+ struct absaddr end;
+ struct absaddr info;
+ }
+ *table; /* Unwind table. */
+ unsigned long table_len; /* Length of unwind table. */
+ unsigned char *info; /* Unwind info. */
+ unsigned long info_size; /* Size of unwind info. */
+ bfd_vma info_addr; /* starting address of unwind info. */
+ bfd_vma seg_base; /* Starting address of segment. */
+ Elf_Internal_Sym *symtab; /* The symbol table. */
+ unsigned long nsyms; /* Number of symbols. */
+ char *strtab; /* The string table. */
+ unsigned long strtab_size; /* Size of string table. */
+ };
+
+static void find_symbol_for_address
+ PARAMS ((struct unw_aux_info *, struct absaddr, const char **, bfd_vma *));
+static void dump_ia64_unwind
+ PARAMS ((struct unw_aux_info *));
+static int slurp_ia64_unwind_table
+ PARAMS ((FILE *, struct unw_aux_info *, Elf_Internal_Shdr *));
+
+static void
+find_symbol_for_address (aux, addr, symname, offset)
+ struct unw_aux_info *aux;
+ struct absaddr addr;
+ const char **symname;
+ bfd_vma *offset;
+{
+ bfd_vma dist = (bfd_vma) 0x100000;
+ Elf_Internal_Sym *sym, *best = NULL;
+ unsigned long i;
+
+ for (i = 0, sym = aux->symtab; i < aux->nsyms; ++i, ++sym)
+ {
+ if (ELF_ST_TYPE (sym->st_info) == STT_FUNC
+ && sym->st_name != 0
+ && (addr.section == SHN_UNDEF || addr.section == sym->st_shndx)
+ && addr.offset >= sym->st_value
+ && addr.offset - sym->st_value < dist)
+ {
+ best = sym;
+ dist = addr.offset - sym->st_value;
+ if (!dist)
+ break;
+ }
+ }
+ if (best)
+ {
+ *symname = (best->st_name >= aux->strtab_size
+ ? "<corrupt>" : aux->strtab + best->st_name);
+ *offset = dist;
+ return;
+ }
+ *symname = NULL;
+ *offset = addr.offset;
+}
+
+static void
+dump_ia64_unwind (aux)
+ struct unw_aux_info *aux;
+{
+ bfd_vma addr_size;
+ struct unw_table_entry *tp;
+ int in_body;
+
+ addr_size = is_32bit_elf ? 4 : 8;
+
+ for (tp = aux->table; tp < aux->table + aux->table_len; ++tp)
+ {
+ bfd_vma stamp;
+ bfd_vma offset;
+ const unsigned char *dp;
+ const unsigned char *head;
+ const char *procname;
+
+ find_symbol_for_address (aux, tp->start, &procname, &offset);
+
+ fputs ("\n<", stdout);
+
+ if (procname)
+ {
+ fputs (procname, stdout);
+
+ if (offset)
+ printf ("+%lx", (unsigned long) offset);
+ }
+
+ fputs (">: [", stdout);
+ print_vma (tp->start.offset, PREFIX_HEX);
+ fputc ('-', stdout);
+ print_vma (tp->end.offset, PREFIX_HEX);
+ printf ("], info at +0x%lx\n",
+ (unsigned long) (tp->info.offset - aux->seg_base));
+
+ head = aux->info + (tp->info.offset - aux->info_addr);
+ stamp = BYTE_GET8 ((unsigned char *) head);
+
+ printf (" v%u, flags=0x%lx (%s%s), len=%lu bytes\n",
+ (unsigned) UNW_VER (stamp),
+ (unsigned long) ((stamp & UNW_FLAG_MASK) >> 32),
+ UNW_FLAG_EHANDLER (stamp) ? " ehandler" : "",
+ UNW_FLAG_UHANDLER (stamp) ? " uhandler" : "",
+ (unsigned long) (addr_size * UNW_LENGTH (stamp)));
+
+ if (UNW_VER (stamp) != 1)
+ {
+ printf ("\tUnknown version.\n");
+ continue;
+ }
+
+ in_body = 0;
+ for (dp = head + 8; dp < head + 8 + addr_size * UNW_LENGTH (stamp);)
+ dp = unw_decode (dp, in_body, & in_body);
+ }
+}
+
+static int
+slurp_ia64_unwind_table (file, aux, sec)
+ FILE *file;
+ struct unw_aux_info *aux;
+ Elf_Internal_Shdr *sec;
+{
+ unsigned long size, addr_size, nrelas, i;
+ Elf_Internal_Phdr *prog_hdrs, *seg;
+ struct unw_table_entry *tep;
+ Elf_Internal_Shdr *relsec;
+ Elf_Internal_Rela *rela, *rp;
+ unsigned char *table, *tp;
+ Elf_Internal_Sym *sym;
+ const char *relname;
+ int result;
+
+ addr_size = is_32bit_elf ? 4 : 8;
+
+ /* First, find the starting address of the segment that includes
+ this section: */
+
+ if (elf_header.e_phnum)
+ {
+ prog_hdrs = (Elf_Internal_Phdr *)
+ xmalloc (elf_header.e_phnum * sizeof (Elf_Internal_Phdr));
+
+ if (is_32bit_elf)
+ result = get_32bit_program_headers (file, prog_hdrs);
+ else
+ result = get_64bit_program_headers (file, prog_hdrs);
+
+ if (!result)
+ {
+ free (prog_hdrs);
+ return 0;
+ }
+
+ for (seg = prog_hdrs; seg < prog_hdrs + elf_header.e_phnum; ++seg)
+ {
+ if (seg->p_type != PT_LOAD)
+ continue;
+
+ if (sec->sh_addr >= seg->p_vaddr
+ && (sec->sh_addr + sec->sh_size <= seg->p_vaddr + seg->p_memsz))
+ {
+ aux->seg_base = seg->p_vaddr;
+ break;
+ }
+ }
+
+ free (prog_hdrs);
+ }
+
+ /* Second, build the unwind table from the contents of the unwind section: */
+ size = sec->sh_size;
+ table = (char *) get_data (NULL, file, sec->sh_offset,
+ size, _("unwind table"));
+ if (!table)
+ return 0;
+
+ tep = aux->table = xmalloc (size / (3 * addr_size) * sizeof (aux->table[0]));
+ for (tp = table; tp < table + size; tp += 3 * addr_size, ++tep)
+ {
+ tep->start.section = SHN_UNDEF;
+ tep->end.section = SHN_UNDEF;
+ tep->info.section = SHN_UNDEF;
+ if (is_32bit_elf)
+ {
+ tep->start.offset = byte_get ((unsigned char *) tp + 0, 4);
+ tep->end.offset = byte_get ((unsigned char *) tp + 4, 4);
+ tep->info.offset = byte_get ((unsigned char *) tp + 8, 4);
+ }
+ else
+ {
+ tep->start.offset = BYTE_GET8 ((unsigned char *) tp + 0);
+ tep->end.offset = BYTE_GET8 ((unsigned char *) tp + 8);
+ tep->info.offset = BYTE_GET8 ((unsigned char *) tp + 16);
+ }
+ tep->start.offset += aux->seg_base;
+ tep->end.offset += aux->seg_base;
+ tep->info.offset += aux->seg_base;
+ }
+ free (table);
+
+ /* Third, apply any relocations to the unwind table: */
+
+ for (relsec = section_headers;
+ relsec < section_headers + elf_header.e_shnum;
+ ++relsec)
+ {
+ if (relsec->sh_type != SHT_RELA
+ || SECTION_HEADER (relsec->sh_info) != sec)
+ continue;
+
+ if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size,
+ & rela, & nrelas))
+ return 0;
+
+ for (rp = rela; rp < rela + nrelas; ++rp)
+ {
+ if (is_32bit_elf)
+ {
+ relname = elf_ia64_reloc_type (ELF32_R_TYPE (rp->r_info));
+ sym = aux->symtab + ELF32_R_SYM (rp->r_info);
+
+ if (ELF32_ST_TYPE (sym->st_info) != STT_SECTION)
+ {
+ warn (_("Skipping unexpected symbol type %u\n"),
+ ELF32_ST_TYPE (sym->st_info));
+ continue;
+ }
+ }
+ else
+ {
+ relname = elf_ia64_reloc_type (ELF64_R_TYPE (rp->r_info));
+ sym = aux->symtab + ELF64_R_SYM (rp->r_info);
+
+ if (ELF64_ST_TYPE (sym->st_info) != STT_SECTION)
+ {
+ warn (_("Skipping unexpected symbol type %u\n"),
+ ELF64_ST_TYPE (sym->st_info));
+ continue;
+ }
+ }
+
+ if (strncmp (relname, "R_IA64_SEGREL", 13) != 0)
+ {
+ warn (_("Skipping unexpected relocation type %s\n"), relname);
+ continue;
+ }
+
+ i = rp->r_offset / (3 * addr_size);
+
+ switch (rp->r_offset/addr_size % 3)
+ {
+ case 0:
+ aux->table[i].start.section = sym->st_shndx;
+ aux->table[i].start.offset += rp->r_addend;
+ break;
+ case 1:
+ aux->table[i].end.section = sym->st_shndx;
+ aux->table[i].end.offset += rp->r_addend;
+ break;
+ case 2:
+ aux->table[i].info.section = sym->st_shndx;
+ aux->table[i].info.offset += rp->r_addend;
+ break;
+ default:
+ break;
+ }
+ }
+
+ free (rela);
+ }
+
+ aux->table_len = size / (3 * addr_size);
+ return 1;
+}
+
+static int
+process_unwind (file)
+ FILE *file;
+{
+ Elf_Internal_Shdr *sec, *unwsec = NULL, *strsec;
+ unsigned long i, addr_size, unwcount = 0, unwstart = 0;
+ struct unw_aux_info aux;
+
+ if (!do_unwind)
+ return 1;
+
+ if (elf_header.e_machine != EM_IA_64)
+ {
+ printf (_("\nThere are no unwind sections in this file.\n"));
+ return 1;
+ }
+
+ memset (& aux, 0, sizeof (aux));
+
+ addr_size = is_32bit_elf ? 4 : 8;
+
+ for (i = 0, sec = section_headers; i < elf_header.e_shnum; ++i, ++sec)
+ {
+ if (sec->sh_type == SHT_SYMTAB)
+ {
+ aux.nsyms = sec->sh_size / sec->sh_entsize;
+ aux.symtab = GET_ELF_SYMBOLS (file, sec);
+
+ strsec = SECTION_HEADER (sec->sh_link);
+ aux.strtab_size = strsec->sh_size;
+ aux.strtab = (char *) get_data (NULL, file, strsec->sh_offset,
+ aux.strtab_size, _("string table"));
+ }
+ else if (sec->sh_type == SHT_IA_64_UNWIND)
+ unwcount++;
+ }
+
+ if (!unwcount)
+ printf (_("\nThere are no unwind sections in this file.\n"));
+
+ while (unwcount-- > 0)
+ {
+ char *suffix;
+ size_t len, len2;
+
+ for (i = unwstart, sec = section_headers + unwstart;
+ i < elf_header.e_shnum; ++i, ++sec)
+ if (sec->sh_type == SHT_IA_64_UNWIND)
+ {
+ unwsec = sec;
+ break;
+ }
+
+ unwstart = i + 1;
+ len = sizeof (ELF_STRING_ia64_unwind_once) - 1;
+
+ if (strncmp (SECTION_NAME (unwsec), ELF_STRING_ia64_unwind_once,
+ len) == 0)
+ {
+ /* .gnu.linkonce.ia64unw.FOO -> .gnu.linkonce.ia64unwi.FOO */
+ len2 = sizeof (ELF_STRING_ia64_unwind_info_once) - 1;
+ suffix = SECTION_NAME (unwsec) + len;
+ for (i = 0, sec = section_headers; i < elf_header.e_shnum;
+ ++i, ++sec)
+ if (strncmp (SECTION_NAME (sec),
+ ELF_STRING_ia64_unwind_info_once, len2) == 0
+ && strcmp (SECTION_NAME (sec) + len2, suffix) == 0)
+ break;
+ }
+ else
+ {
+ /* .IA_64.unwindFOO -> .IA_64.unwind_infoFOO
+ .IA_64.unwind or BAR -> .IA_64.unwind_info */
+ len = sizeof (ELF_STRING_ia64_unwind) - 1;
+ len2 = sizeof (ELF_STRING_ia64_unwind_info) - 1;
+ suffix = "";
+ if (strncmp (SECTION_NAME (unwsec), ELF_STRING_ia64_unwind,
+ len) == 0)
+ suffix = SECTION_NAME (unwsec) + len;
+ for (i = 0, sec = section_headers; i < elf_header.e_shnum;
+ ++i, ++sec)
+ if (strncmp (SECTION_NAME (sec),
+ ELF_STRING_ia64_unwind_info, len2) == 0
+ && strcmp (SECTION_NAME (sec) + len2, suffix) == 0)
+ break;
+ }
+
+ if (i == elf_header.e_shnum)
+ {
+ printf (_("\nCould not find unwind info section for "));
+
+ if (string_table == NULL)
+ printf ("%d", unwsec->sh_name);
+ else
+ printf (_("'%s'"), SECTION_NAME (unwsec));
+ }
+ else
+ {
+ aux.info_size = sec->sh_size;
+ aux.info_addr = sec->sh_addr;
+ aux.info = (char *) get_data (NULL, file, sec->sh_offset,
+ aux.info_size, _("unwind info"));
+
+ printf (_("\nUnwind section "));
+
+ if (string_table == NULL)
+ printf ("%d", unwsec->sh_name);
+ else
+ printf (_("'%s'"), SECTION_NAME (unwsec));
+
+ printf (_(" at offset 0x%lx contains %lu entries:\n"),
+ (unsigned long) unwsec->sh_offset,
+ (unsigned long) (unwsec->sh_size / (3 * addr_size)));
+
+ (void) slurp_ia64_unwind_table (file, & aux, unwsec);
+
+ if (aux.table_len > 0)
+ dump_ia64_unwind (& aux);
+
+ if (aux.table)
+ free ((char *) aux.table);
+ if (aux.info)
+ free ((char *) aux.info);
+ aux.table = NULL;
+ aux.info = NULL;
+ }
+ }
+
+ if (aux.symtab)
+ free (aux.symtab);
+ if (aux.strtab)
+ free ((char *) aux.strtab);
+
+ return 1;
+}
+
+static void
+dynamic_segment_mips_val (entry)
+ Elf_Internal_Dyn *entry;
+{
+ switch (entry->d_tag)
+ {
+ default:
+ printf ("%#lx\n", (long) entry->d_un.d_ptr);
+ }
+}
+
+
+static void
+dynamic_segment_parisc_val (entry)
+ Elf_Internal_Dyn *entry;
+{
+ switch (entry->d_tag)
+ {
+ default:
+ print_vma (entry->d_un.d_ptr, PREFIX_HEX);
+ break;
+ }
+ putchar ('\n');
+}
+
+static void
+dynamic_segment_ia64_val (entry)
+ Elf_Internal_Dyn *entry;
+{
+}
+
+static int
+get_32bit_dynamic_segment (file)
+ FILE *file;
+{
+ Elf32_External_Dyn *edyn;
+ Elf_Internal_Dyn *entry;
+ bfd_size_type i;
+
+ edyn = (Elf32_External_Dyn *) get_data (NULL, file, dynamic_addr,
+ dynamic_size, _("dynamic segment"));
+ if (!edyn)
+ return 0;
+
+ /* 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;
+
+ edyn = (Elf64_External_Dyn *) get_data (NULL, file, dynamic_addr,
+ dynamic_size, _("dynamic segment"));
+ if (!edyn)
+ return 0;
+
+ /* 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;
+}
+
+static const char *
+get_dynamic_flags (flags)
+ bfd_vma flags;
+{
+ static char buff[128];
+ char *p = buff;
+
+ *p = '\0';
+ while (flags)
+ {
+ bfd_vma flag;
+
+ flag = flags & - flags;
+ flags &= ~ flag;
+
+ if (p != buff)
+ *p++ = ' ';
+
+ switch (flag)
+ {
+ case DF_ORIGIN: strcpy (p, "ORIGIN"); break;
+ case DF_SYMBOLIC: strcpy (p, "SYMBOLIC"); break;
+ case DF_TEXTREL: strcpy (p, "TEXTREL"); break;
+ case DF_BIND_NOW: strcpy (p, "BIND_NOW"); break;
+ case DF_STATIC_TLS: strcpy (p, "STATIC_TLS"); break;
+ default: strcpy (p, "unknown"); break;
+ }
+
+ p = strchr (p, '\0');
+ }
+ return buff;
+}
+
+/* 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)
+ {
+ Elf_Internal_Shdr section;
+
+ if (entry->d_tag != DT_SYMTAB)
+ continue;
+
+ dynamic_info[DT_SYMTAB] = entry->d_un.d_val;
+
+ /* Since we do not know how big the symbol table is,
+ we default to reading in the entire file (!) and
+ processing that. This is overkill, I know, but it
+ should work. */
+ section.sh_offset = entry->d_un.d_val - loadaddr;
+
+ if (fseek (file, 0, SEEK_END))
+ error (_("Unable to seek to end of file!"));
+
+ section.sh_size = ftell (file) - section.sh_offset;
+ if (is_32bit_elf)
+ section.sh_entsize = sizeof (Elf32_External_Sym);
+ else
+ section.sh_entsize = sizeof (Elf64_External_Sym);
+
+ num_dynamic_syms = section.sh_size / section.sh_entsize;
+ if (num_dynamic_syms < 1)
+ {
+ error (_("Unable to determine the number of symbols to load\n"));
+ continue;
+ }
+
+ dynamic_symbols = GET_ELF_SYMBOLS (file, §ion);
+ }
+ }
+
+ /* 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;
+ }
+
+ dynamic_strings = (char *) get_data (NULL, file, offset, str_tab_len,
+ _("dynamic string table"));
+ break;
+ }
+ }
+
+ /* And find the syminfo section if available. */
+ if (dynamic_syminfo == NULL)
+ {
+ unsigned long 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. */
+ extsyminfo = ((Elf_External_Syminfo *)
+ get_data (NULL, file, dynamic_syminfo_offset,
+ syminsz, _("symbol information")));
+ if (!extsyminfo)
+ return 0;
+
+ 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%lx 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)
+ {
+ const char *dtype;
+
+ putchar (' ');
+ print_vma (entry->d_tag, FULL_HEX);
+ dtype = get_dynamic_type (entry->d_tag);
+ printf (" (%s)%*s", dtype,
+ ((is_32bit_elf ? 27 : 19)
+ - (int) strlen (dtype)),
+ " ");
+ }
+
+ switch (entry->d_tag)
+ {
+ case DT_FLAGS:
+ if (do_dynamic)
+ puts (get_dynamic_flags (entry->d_un.d_val));
+ break;
+
+ case DT_AUXILIARY:
+ case DT_FILTER:
+ case DT_CONFIG:
+ case DT_DEPAUDIT:
+ case DT_AUDIT:
+ if (do_dynamic)
+ {
+ switch (entry->d_tag)
+ {
+ case DT_AUXILIARY:
+ printf (_("Auxiliary library"));
+ break;
+
+ case DT_FILTER:
+ printf (_("Filter library"));
+ break;
+
+ case DT_CONFIG:
+ printf (_("Configuration file"));
+ break;
+
+ case DT_DEPAUDIT:
+ printf (_("Dependency audit library"));
+ break;
+
+ case DT_AUDIT:
+ printf (_("Audit library"));
+ break;
+ }
+
+ if (dynamic_strings)
+ printf (": [%s]\n", dynamic_strings + entry->d_un.d_val);
+ else
+ {
+ printf (": ");
+ print_vma (entry->d_un.d_val, PREFIX_HEX);
+ putchar ('\n');
+ }
+ }
+ break;
+
+ case DT_FEATURE:
+ if (do_dynamic)
+ {
+ printf (_("Flags:"));
+
+ if (entry->d_un.d_val == 0)
+ printf (_(" None\n"));
+ else
+ {
+ unsigned long int val = entry->d_un.d_val;
+
+ if (val & DTF_1_PARINIT)
+ {
+ printf (" PARINIT");
+ val ^= DTF_1_PARINIT;
+ }
+ if (val & DTF_1_CONFEXP)
+ {
+ printf (" CONFEXP");
+ val ^= DTF_1_CONFEXP;
+ }
+ if (val != 0)
+ printf (" %lx", val);
+ puts ("");
+ }
+ }
+ break;
+
+ case DT_POSFLAG_1:
+ if (do_dynamic)
+ {
+ printf (_("Flags:"));
+
+ if (entry->d_un.d_val == 0)
+ printf (_(" None\n"));
+ else
+ {
+ unsigned long int val = entry->d_un.d_val;
+
+ if (val & DF_P1_LAZYLOAD)
+ {
+ printf (" LAZYLOAD");
+ val ^= DF_P1_LAZYLOAD;
+ }
+ if (val & DF_P1_GROUPPERM)
+ {
+ printf (" GROUPPERM");
+ val ^= DF_P1_GROUPPERM;
+ }
+ if (val != 0)
+ printf (" %lx", val);
+ puts ("");
+ }
+ }
+ break;
+
+ case DT_FLAGS_1:
+ if (do_dynamic)
+ {
+ printf (_("Flags:"));
+ if (entry->d_un.d_val == 0)
+ printf (_(" None\n"));
+ else
+ {
+ unsigned long int val = entry->d_un.d_val;
+
+ if (val & DF_1_NOW)
+ {
+ printf (" NOW");
+ val ^= DF_1_NOW;
+ }
+ if (val & DF_1_GLOBAL)
+ {
+ printf (" GLOBAL");
+ val ^= DF_1_GLOBAL;
+ }
+ if (val & DF_1_GROUP)
+ {
+ printf (" GROUP");
+ val ^= DF_1_GROUP;
+ }
+ if (val & DF_1_NODELETE)
+ {
+ printf (" NODELETE");
+ val ^= DF_1_NODELETE;
+ }
+ if (val & DF_1_LOADFLTR)
+ {
+ printf (" LOADFLTR");
+ val ^= DF_1_LOADFLTR;
+ }
+ if (val & DF_1_INITFIRST)
+ {
+ printf (" INITFIRST");
+ val ^= DF_1_INITFIRST;
+ }
+ if (val & DF_1_NOOPEN)
+ {
+ printf (" NOOPEN");
+ val ^= DF_1_NOOPEN;
+ }
+ if (val & DF_1_ORIGIN)
+ {
+ printf (" ORIGIN");
+ val ^= DF_1_ORIGIN;
+ }
+ if (val & DF_1_DIRECT)
+ {
+ printf (" DIRECT");
+ val ^= DF_1_DIRECT;
+ }
+ if (val & DF_1_TRANS)
+ {
+ printf (" TRANS");
+ val ^= DF_1_TRANS;
+ }
+ if (val & DF_1_INTERPOSE)
+ {
+ printf (" INTERPOSE");
+ val ^= DF_1_INTERPOSE;
+ }
+ if (val & DF_1_NODEFLIB)
+ {
+ printf (" NODEFLIB");
+ val ^= DF_1_NODEFLIB;
+ }
+ if (val & DF_1_NODUMP)
+ {
+ printf (" NODUMP");
+ val ^= DF_1_NODUMP;
+ }
+ if (val & DF_1_CONLFAT)
+ {
+ printf (" CONLFAT");
+ val ^= DF_1_CONLFAT;
+ }
+ if (val != 0)
+ printf (" %lx", val);
+ puts ("");
+ }
+ }
+ break;
+
+ case DT_PLTREL:
+ dynamic_info[entry->d_tag] = entry->d_un.d_val;
+ if (do_dynamic)
+ puts (get_dynamic_type (entry->d_un.d_val));
+ break;
+
+ case DT_NULL :
+ case DT_NEEDED :
+ case DT_PLTGOT :
+ case DT_HASH :
+ case DT_STRTAB :
+ case DT_SYMTAB :
+ case DT_RELA :
+ case DT_INIT :
+ case DT_FINI :
+ case DT_SONAME :
+ case DT_RPATH :
+ case DT_SYMBOLIC:
+ case DT_REL :
+ case DT_DEBUG :
+ case DT_TEXTREL :
+ case DT_JMPREL :
+ case DT_RUNPATH :
+ dynamic_info[entry->d_tag] = entry->d_un.d_val;
+
+ if (do_dynamic)
+ {
+ char *name;
+
+ if (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) == 0)
+ printf (_(" program interpreter"));
+ break;
+
+ case DT_SONAME:
+ printf (_("Library soname: [%s]"), name);
+ break;
+
+ case DT_RPATH:
+ printf (_("Library rpath: [%s]"), name);
+ break;
+
+ case DT_RUNPATH:
+ printf (_("Library runpath: [%s]"), name);
+ break;
+
+ default:
+ print_vma (entry->d_un.d_val, PREFIX_HEX);
+ break;
+ }
+ }
+ else
+ print_vma (entry->d_un.d_val, PREFIX_HEX);
+
+ putchar ('\n');
+ }
+ break;
+
+ case DT_PLTRELSZ:
+ case DT_RELASZ :
+ case DT_STRSZ :
+ case DT_RELSZ :
+ case DT_RELAENT :
+ case DT_SYMENT :
+ case DT_RELENT :
+ dynamic_info[entry->d_tag] = entry->d_un.d_val;
+ case DT_PLTPADSZ:
+ case DT_MOVEENT :
+ case DT_MOVESZ :
+ case DT_INIT_ARRAYSZ:
+ case DT_FINI_ARRAYSZ:
+ case DT_GNU_CONFLICTSZ:
+ case DT_GNU_LIBLISTSZ:
+ if (do_dynamic)
+ {
+ print_vma (entry->d_un.d_val, UNSIGNED);
+ printf (" (bytes)\n");
+ }
+ break;
+
+ case DT_VERDEFNUM:
+ case DT_VERNEEDNUM:
+ case DT_RELACOUNT:
+ case DT_RELCOUNT:
+ if (do_dynamic)
+ {
+ print_vma (entry->d_un.d_val, UNSIGNED);
+ putchar ('\n');
+ }
+ break;
+
+ case DT_SYMINSZ:
+ case DT_SYMINENT:
+ case DT_SYMINFO:
+ case DT_USED:
+ case DT_INIT_ARRAY:
+ case DT_FINI_ARRAY:
+ if (do_dynamic)
+ {
+ if (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;
+ }
+ }
+
+ print_vma (entry->d_un.d_val, PREFIX_HEX);
+ putchar ('\n');
+ }
+ break;
+
+ case DT_BIND_NOW:
+ /* The value of this entry is ignored. */
+ if (do_dynamic)
+ putchar ('\n');
+ break;
+
+ case DT_GNU_PRELINKED:
+ if (do_dynamic)
+ {
+ struct tm *tmp;
+ time_t the_time = entry->d_un.d_val;
+
+ tmp = gmtime (&the_time);
+ printf ("%04u-%02u-%02uT%02u:%02u:%02u\n",
+ tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
+ tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+
+ }
+ break;
+
+ default:
+ if ((entry->d_tag >= DT_VERSYM) && (entry->d_tag <= DT_VERNEEDNUM))
+ version_info[DT_VERSIONTAGIDX (entry->d_tag)] =
+ entry->d_un.d_val;
+
+ if (do_dynamic)
+ {
+ switch (elf_header.e_machine)
+ {
+ case EM_MIPS:
+ case EM_MIPS_RS3_LE:
+ dynamic_segment_mips_val (entry);
+ break;
+ case EM_PARISC:
+ dynamic_segment_parisc_val (entry);
+ break;
+ case EM_IA_64:
+ dynamic_segment_ia64_val (entry);
+ break;
+ default:
+ print_vma (entry->d_un.d_val, PREFIX_HEX);
+ putchar ('\n');
+ }
+ }
+ 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;
+{
+ Elf_Internal_Shdr *section;
+ unsigned i;
+ int found = 0;
+
+ if (! do_version)
+ return 1;
+
+ for (i = 0, section = section_headers;
+ i < elf_header.e_shnum;
+ i++, section++)
+ {
+ switch (section->sh_type)
+ {
+ case SHT_GNU_verdef:
+ {
+ Elf_External_Verdef *edefs;
+ unsigned int idx;
+ unsigned int cnt;
+
+ found = 1;
+
+ printf
+ (_("\nVersion definition section '%s' contains %ld entries:\n"),
+ SECTION_NAME (section), section->sh_info);
+
+ printf (_(" Addr: 0x"));
+ printf_vma (section->sh_addr);
+ printf (_(" Offset: %#08lx Link: %lx (%s)\n"),
+ (unsigned long) section->sh_offset, section->sh_link,
+ SECTION_NAME (SECTION_HEADER (section->sh_link)));
+
+ edefs = ((Elf_External_Verdef *)
+ get_data (NULL, file, section->sh_offset,
+ section->sh_size,
+ _("version definition section")));
+ if (!edefs)
+ break;
+
+ for (idx = cnt = 0; cnt < section->sh_info; ++cnt)
+ {
+ char *vstart;
+ Elf_External_Verdef *edef;
+ Elf_Internal_Verdef ent;
+ Elf_External_Verdaux *eaux;
+ Elf_Internal_Verdaux aux;
+ int j;
+ int isum;
+
+ vstart = ((char *) edefs) + idx;
+
+ edef = (Elf_External_Verdef *) vstart;
+
+ ent.vd_version = BYTE_GET (edef->vd_version);
+ ent.vd_flags = BYTE_GET (edef->vd_flags);
+ ent.vd_ndx = BYTE_GET (edef->vd_ndx);
+ ent.vd_cnt = BYTE_GET (edef->vd_cnt);
+ ent.vd_hash = BYTE_GET (edef->vd_hash);
+ ent.vd_aux = BYTE_GET (edef->vd_aux);
+ ent.vd_next = BYTE_GET (edef->vd_next);
+
+ printf (_(" %#06x: Rev: %d Flags: %s"),
+ idx, ent.vd_version, get_ver_flags (ent.vd_flags));
+
+ printf (_(" Index: %d Cnt: %d "),
+ ent.vd_ndx, ent.vd_cnt);
+
+ vstart += ent.vd_aux;
+
+ eaux = (Elf_External_Verdaux *) vstart;
+
+ aux.vda_name = BYTE_GET (eaux->vda_name);
+ aux.vda_next = BYTE_GET (eaux->vda_next);
+
+ if (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_HEADER (section->sh_link)));
+
+ eneed = ((Elf_External_Verneed *)
+ get_data (NULL, file, section->sh_offset,
+ section->sh_size, _("version need section")));
+ if (!eneed)
+ break;
+
+ for (idx = cnt = 0; cnt < section->sh_info; ++cnt)
+ {
+ Elf_External_Verneed *entry;
+ Elf_Internal_Verneed ent;
+ int j;
+ int isum;
+ char *vstart;
+
+ vstart = ((char *) eneed) + idx;
+
+ entry = (Elf_External_Verneed *) vstart;
+
+ ent.vn_version = BYTE_GET (entry->vn_version);
+ ent.vn_cnt = BYTE_GET (entry->vn_cnt);
+ ent.vn_file = BYTE_GET (entry->vn_file);
+ ent.vn_aux = BYTE_GET (entry->vn_aux);
+ ent.vn_next = BYTE_GET (entry->vn_next);
+
+ printf (_(" %#06x: Version: %d"), idx, ent.vn_version);
+
+ if (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:
+ {
+ Elf_Internal_Shdr *link_section;
+ int total;
+ int cnt;
+ unsigned char *edata;
+ unsigned short *data;
+ char *strtab;
+ Elf_Internal_Sym *symbols;
+ Elf_Internal_Shdr *string_sec;
+
+ link_section = SECTION_HEADER (section->sh_link);
+ total = section->sh_size / section->sh_entsize;
+
+ found = 1;
+
+ symbols = GET_ELF_SYMBOLS (file, link_section);
+
+ string_sec = SECTION_HEADER (link_section->sh_link);
+
+ strtab = (char *) get_data (NULL, file, string_sec->sh_offset,
+ string_sec->sh_size,
+ _("version string table"));
+ if (!strtab)
+ break;
+
+ printf (_("\nVersion symbols section '%s' contains %d entries:\n"),
+ SECTION_NAME (section), total);
+
+ printf (_(" Addr: "));
+ printf_vma (section->sh_addr);
+ printf (_(" Offset: %#08lx Link: %lx (%s)\n"),
+ (unsigned long) section->sh_offset, section->sh_link,
+ SECTION_NAME (link_section));
+
+ edata =
+ ((unsigned char *)
+ get_data (NULL, file,
+ version_info[DT_VERSIONTAGIDX (DT_VERSYM)] - loadaddr,
+ total * sizeof (short), _("version symbol data")));
+ if (!edata)
+ {
+ free (strtab);
+ break;
+ }
+
+ 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;
+ int check_def, check_need;
+ char *name;
+
+ printf (" %03x:", cnt);
+
+ for (j = 0; (j < 4) && (cnt + j) < total; ++j)
+ switch (data[cnt + j])
+ {
+ case 0:
+ fputs (_(" 0 (*local*) "), stdout);
+ break;
+
+ case 1:
+ fputs (_(" 1 (*global*) "), stdout);
+ break;
+
+ default:
+ nn = printf ("%4x%c", data[cnt + j] & 0x7fff,
+ data[cnt + j] & 0x8000 ? 'h' : ' ');
+
+ check_def = 1;
+ check_need = 1;
+ if (SECTION_HEADER (symbols[cnt + j].st_shndx)->sh_type
+ != SHT_NOBITS)
+ {
+ if (symbols[cnt + j].st_shndx == SHN_UNDEF)
+ check_def = 0;
+ else
+ check_need = 0;
+ }
+
+ if (check_need
+ && version_info[DT_VERSIONTAGIDX (DT_VERNEED)])
+ {
+ Elf_Internal_Verneed ivn;
+ unsigned long offset;
+
+ offset = 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 (&evn, file, offset, sizeof (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 (&evna, file, a_off, sizeof (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);
+
+ name = strtab + ivna.vna_name;
+ nn += printf ("(%s%-*s",
+ name,
+ 12 - (int) strlen (name),
+ ")");
+ check_def = 0;
+ break;
+ }
+
+ offset += ivn.vn_next;
+ }
+ while (ivn.vn_next);
+ }
+
+ if (check_def && data[cnt + j] != 0x8001
+ && version_info[DT_VERSIONTAGIDX (DT_VERDEF)])
+ {
+ Elf_Internal_Verdef ivd;
+ Elf_External_Verdef evd;
+ unsigned long offset;
+
+ offset = (version_info[DT_VERSIONTAGIDX (DT_VERDEF)]
+ - loadaddr);
+
+ do
+ {
+ get_data (&evd, file, offset, sizeof (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 (&evda, file,
+ offset - ivd.vd_next + ivd.vd_aux,
+ sizeof (evda), _("version def aux"));
+
+ ivda.vda_name = BYTE_GET (evda.vda_name);
+
+ name = strtab + ivda.vda_name;
+ nn += printf ("(%s%-*s",
+ name,
+ 12 - (int) strlen (name),
+ ")");
+ }
+ }
+
+ if (nn < 18)
+ printf ("%*c", 18 - nn, ' ');
+ }
+
+ putchar ('\n');
+ }
+
+ free (data);
+ free (strtab);
+ free (symbols);
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ if (! found)
+ printf (_("\nNo version information found in this file.\n"));
+
+ return 1;
+}
+
+static const char *
+get_symbol_binding (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 const 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";
+ case STT_COMMON: return "COMMON";
+ case STT_TLS: return "TLS";
+ default:
+ if (type >= STT_LOPROC && type <= STT_HIPROC)
+ {
+ 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 const char *
+get_symbol_visibility (visibility)
+ unsigned int visibility;
+{
+ switch (visibility)
+ {
+ case STV_DEFAULT: return "DEFAULT";
+ case STV_INTERNAL: return "INTERNAL";
+ case STV_HIDDEN: return "HIDDEN";
+ case STV_PROTECTED: return "PROTECTED";
+ default: abort ();
+ }
+}
+
+static const char *
+get_symbol_index_type (type)
+ unsigned int type;
+{
+ static char buff[32];
+
+ switch (type)
+ {
+ case SHN_UNDEF: return "UND";
+ case SHN_ABS: return "ABS";
+ case SHN_COMMON: return "COM";
+ default:
+ if (type >= SHN_LOPROC && type <= SHN_HIPROC)
+ sprintf (buff, "PRC[0x%04x]", type);
+ else if (type >= SHN_LOOS && type <= SHN_HIOS)
+ sprintf (buff, "OS [0x%04x]", type);
+ else if (type >= SHN_LORESERVE && type <= SHN_HIRESERVE)
+ sprintf (buff, "RSV[0x%04x]", type);
+ else
+ sprintf (buff, "%3d", type);
+ break;
+ }
+
+ return buff;
+}
+
+static int *
+get_dynamic_data (file, number)
+ FILE *file;
+ unsigned int number;
+{
+ unsigned char *e_data;
+ int *i_data;
+
+ e_data = (unsigned 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;
+{
+ Elf_Internal_Shdr *section;
+ unsigned char nb[4];
+ unsigned char nc[4];
+ int nbuckets = 0;
+ int nchains = 0;
+ 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"));
+ if (is_32bit_elf)
+ printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n"));
+ else
+ printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n"));
+
+ for (hn = 0; hn < nbuckets; hn++)
+ {
+ if (! buckets[hn])
+ continue;
+
+ for (si = buckets[hn]; si < nchains && si > 0; si = chains[si])
+ {
+ Elf_Internal_Sym *psym;
+
+ psym = dynamic_symbols + si;
+
+ printf (" %3d %3d: ", si, hn);
+ print_vma (psym->st_value, LONG_HEX);
+ putchar (' ' );
+ print_vma (psym->st_size, DEC_5);
+
+ printf (" %6s", get_symbol_type (ELF_ST_TYPE (psym->st_info)));
+ printf (" %6s", get_symbol_binding (ELF_ST_BIND (psym->st_info)));
+ printf (" %3s", get_symbol_visibility (ELF_ST_VISIBILITY (psym->st_other)));
+ printf (" %3.3s ", get_symbol_index_type (psym->st_shndx));
+ print_symbol (25, dynamic_strings + psym->st_name);
+ putchar ('\n');
+ }
+ }
+ }
+ else if (do_syms && !do_using_dynamic)
+ {
+ unsigned int i;
+
+ for (i = 0, section = section_headers;
+ i < elf_header.e_shnum;
+ i++, section++)
+ {
+ unsigned int si;
+ char *strtab;
+ Elf_Internal_Sym *symtab;
+ Elf_Internal_Sym *psym;
+
+
+ if ( section->sh_type != SHT_SYMTAB
+ && section->sh_type != SHT_DYNSYM)
+ continue;
+
+ printf (_("\nSymbol table '%s' contains %lu entries:\n"),
+ SECTION_NAME (section),
+ (unsigned long) (section->sh_size / section->sh_entsize));
+ if (is_32bit_elf)
+ printf (_(" Num: Value Size Type Bind Vis Ndx Name\n"));
+ else
+ printf (_(" Num: Value Size Type Bind Vis Ndx Name\n"));
+
+ symtab = GET_ELF_SYMBOLS (file, section);
+ if (symtab == NULL)
+ continue;
+
+ if (section->sh_link == elf_header.e_shstrndx)
+ strtab = string_table;
+ else
+ {
+ Elf_Internal_Shdr *string_sec;
+
+ string_sec = SECTION_HEADER (section->sh_link);
+
+ strtab = (char *) get_data (NULL, file, string_sec->sh_offset,
+ string_sec->sh_size,
+ _("string table"));
+ }
+
+ for (si = 0, psym = symtab;
+ si < section->sh_size / section->sh_entsize;
+ si++, psym++)
+ {
+ printf ("%6d: ", si);
+ print_vma (psym->st_value, LONG_HEX);
+ putchar (' ');
+ print_vma (psym->st_size, DEC_5);
+ printf (" %-7s", get_symbol_type (ELF_ST_TYPE (psym->st_info)));
+ printf (" %-6s", get_symbol_binding (ELF_ST_BIND (psym->st_info)));
+ printf (" %-3s", get_symbol_visibility (ELF_ST_VISIBILITY (psym->st_other)));
+ printf (" %4s ", get_symbol_index_type (psym->st_shndx));
+ print_symbol (25, 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 (&data, file, offset + si * sizeof (vers_data),
+ sizeof (data), _("version data"));
+
+ vers_data = byte_get (data, 2);
+
+ is_nobits = (SECTION_HEADER (psym->st_shndx)->sh_type
+ == SHT_NOBITS);
+
+ check_def = (psym->st_shndx != SHN_UNDEF);
+
+ if ((vers_data & 0x8000) || vers_data > 1)
+ {
+ if (version_info[DT_VERSIONTAGIDX (DT_VERNEED)]
+ && (is_nobits || ! check_def))
+ {
+ Elf_External_Verneed evn;
+ Elf_Internal_Verneed ivn;
+ Elf_Internal_Vernaux ivna;
+
+ /* We must test both. */
+ offset = (version_info[DT_VERSIONTAGIDX (DT_VERNEED)]
+ - loadaddr);
+
+ do
+ {
+ unsigned long vna_off;
+
+ get_data (&evn, file, offset, sizeof (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
+ {
+ Elf_External_Vernaux evna;
+
+ get_data (&evna, file, vna_off,
+ sizeof (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
+ && version_info[DT_VERSIONTAGIDX (DT_VERDEF)])
+ {
+ Elf_Internal_Verdef ivd;
+ Elf_Internal_Verdaux ivda;
+ Elf_External_Verdaux evda;
+ unsigned long off;
+
+ off
+ = (version_info[DT_VERSIONTAGIDX (DT_VERDEF)]
+ - loadaddr);
+
+ do
+ {
+ Elf_External_Verdef evd;
+
+ get_data (&evd, file, off, sizeof (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);
+
+ off += ivd.vd_next;
+ }
+ while (ivd.vd_ndx != (vers_data & 0x7fff)
+ && ivd.vd_next != 0);
+
+ off -= ivd.vd_next;
+ off += ivd.vd_aux;
+
+ get_data (&evda, file, off, sizeof (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 > 0 && si < nchains; 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]];
+
+ if (nbuckets > 0)
+ {
+ 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 ATTRIBUTE_UNUSED;
+{
+ unsigned int i;
+
+ if (dynamic_syminfo == NULL
+ || !do_dynamic)
+ /* No syminfo, this is ok. */
+ return 1;
+
+ /* There better should be a dynamic symbol section. */
+ if (dynamic_symbols == NULL || dynamic_strings == NULL)
+ return 0;
+
+ if (dynamic_addr)
+ printf (_("\nDynamic info segment at offset 0x%lx contains %d entries:\n"),
+ dynamic_syminfo_offset, dynamic_syminfo_nent);
+
+ printf (_(" Num: Name BoundTo Flags\n"));
+ for (i = 0; i < dynamic_syminfo_nent; ++i)
+ {
+ unsigned short int flags = dynamic_syminfo[i].si_flags;
+
+ printf ("%4d: ", i);
+ print_symbol (30, dynamic_strings + dynamic_symbols[i].st_name);
+ putchar (' ');
+
+ switch (dynamic_syminfo[i].si_boundto)
+ {
+ case SYMINFO_BT_SELF:
+ fputs ("SELF ", stdout);
+ break;
+ case SYMINFO_BT_PARENT:
+ fputs ("PARENT ", stdout);
+ break;
+ default:
+ if (dynamic_syminfo[i].si_boundto > 0
+ && dynamic_syminfo[i].si_boundto < dynamic_size)
+ {
+ print_symbol (10,
+ dynamic_strings
+ + (dynamic_segment
+ [dynamic_syminfo[i].si_boundto].d_un.d_val));
+ putchar (' ' );
+ }
+ else
+ printf ("%-10d ", dynamic_syminfo[i].si_boundto);
+ break;
+ }
+
+ if (flags & SYMINFO_FLG_DIRECT)
+ printf (" DIRECT");
+ if (flags & SYMINFO_FLG_PASSTHRU)
+ printf (" PASSTHRU");
+ if (flags & SYMINFO_FLG_COPY)
+ printf (" COPY");
+ if (flags & SYMINFO_FLG_LAZYLOAD)
+ printf (" LAZYLOAD");
+
+ puts ("");
+ }
+
+ return 1;
+}
+
+#ifdef SUPPORT_DISASSEMBLY
+static void
+disassemble_section (section, file)
+ Elf_Internal_Shdr *section;
+ FILE *file;
+{
+ printf (_("\nAssembly dump of section %s\n"),
+ SECTION_NAME (section));
+
+ /* XXX -- to be done --- XXX */
+
+ return 1;
+}
+#endif
+
+static int
+dump_section (section, file)
+ Elf_Internal_Shdr *section;
+ FILE *file;
+{
+ bfd_size_type bytes;
+ bfd_vma addr;
+ unsigned char *data;
+ unsigned char *start;
+
+ bytes = section->sh_size;
+
+ if (bytes == 0)
+ {
+ printf (_("\nSection '%s' has no data to dump.\n"),
+ SECTION_NAME (section));
+ return 0;
+ }
+ else
+ printf (_("\nHex dump of section '%s':\n"), SECTION_NAME (section));
+
+ addr = section->sh_addr;
+
+ start = (unsigned char *) get_data (NULL, file, section->sh_offset, bytes,
+ _("section data"));
+ if (!start)
+ return 0;
+
+ data = start;
+
+ while (bytes)
+ {
+ int j;
+ int k;
+ int lbytes;
+
+ lbytes = (bytes > 16 ? 16 : bytes);
+
+ printf (" 0x%8.8lx ", (unsigned long) addr);
+
+ switch (elf_header.e_ident[EI_DATA])
+ {
+ default:
+ case ELFDATA2LSB:
+ for (j = 15; j >= 0; j --)
+ {
+ if (j < lbytes)
+ printf ("%2.2x", data[j]);
+ else
+ printf (" ");
+
+ if (!(j & 0x3))
+ printf (" ");
+ }
+ break;
+
+ case ELFDATA2MSB:
+ for (j = 0; j < 16; j++)
+ {
+ if (j < lbytes)
+ printf ("%2.2x", data[j]);
+ else
+ printf (" ");
+
+ if ((j & 3) == 3)
+ printf (" ");
+ }
+ break;
+ }
+
+ for (j = 0; j < lbytes; j++)
+ {
+ k = data[j];
+ if (k >= ' ' && k < 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, pointer_size)
+ unsigned char *data;
+ int is_stmt;
+ int pointer_size;
+{
+ unsigned char op_code;
+ int bytes_read;
+ unsigned int len;
+ unsigned char *name;
+ unsigned long adr;
+
+ len = read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+
+ if (len == 0)
+ {
+ warn (_("badly formed extended line op encountered!\n"));
+ return bytes_read;
+ }
+
+ len += bytes_read;
+ op_code = *data++;
+
+ printf (_(" Extended opcode %d: "), op_code);
+
+ switch (op_code)
+ {
+ case DW_LNE_end_sequence:
+ printf (_("End of Sequence\n\n"));
+ reset_state_machine (is_stmt);
+ break;
+
+ case DW_LNE_set_address:
+ adr = byte_get (data, pointer_size);
+ printf (_("set Address to 0x%lx\n"), adr);
+ state_machine_regs.address = adr;
+ break;
+
+ case DW_LNE_define_file:
+ printf (_(" define new File Table entry\n"));
+ printf (_(" Entry\tDir\tTime\tSize\tName\n"));
+
+ printf (_(" %d\t"), ++state_machine_regs.last_file_entry);
+ name = data;
+ data += strlen ((char *) data) + 1;
+ printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
+ data += bytes_read;
+ printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
+ data += bytes_read;
+ printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
+ printf (_("%s\n\n"), name);
+ break;
+
+ default:
+ printf (_("UNKNOWN: length %d\n"), len - bytes_read);
+ break;
+ }
+
+ return len;
+}
+
+/* Size of pointers in the .debug_line section. This information is not
+ really present in that section. It's obtained before dumping the debug
+ sections by doing some pre-scan of the .debug_info section. */
+static int debug_line_pointer_size = 4;
+
+static int
+display_debug_lines (section, start, file)
+ Elf_Internal_Shdr *section;
+ unsigned char * start;
+ FILE *file ATTRIBUTE_UNUSED;
+{
+ unsigned char *hdrptr;
+ 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;
+ int offset_size;
+ int initial_length_size;
+
+ printf (_("\nDump of debug contents of section %s:\n\n"),
+ SECTION_NAME (section));
+
+ while (data < end)
+ {
+ hdrptr = data;
+
+ /* Check the length of the block. */
+ info.li_length = byte_get (hdrptr, 4);
+ hdrptr += 4;
+
+ if (info.li_length == 0xffffffff)
+ {
+ /* This section is 64-bit DWARF 3. */
+ info.li_length = byte_get (hdrptr, 8);
+ hdrptr += 8;
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+
+ if (info.li_length + initial_length_size > section->sh_size)
+ {
+ warn
+ (_("The line info appears to be corrupt - the section is too small\n"));
+ return 0;
+ }
+
+ /* Check its version number. */
+ info.li_version = byte_get (hdrptr, 2);
+ hdrptr += 2;
+ if (info.li_version != 2 && info.li_version != 3)
+ {
+ warn (_("Only DWARF version 2 and 3 line info is currently supported.\n"));
+ return 0;
+ }
+
+ info.li_prologue_length = byte_get (hdrptr, offset_size);
+ hdrptr += offset_size;
+ info.li_min_insn_length = byte_get (hdrptr, 1);
+ hdrptr++;
+ info.li_default_is_stmt = byte_get (hdrptr, 1);
+ hdrptr++;
+ info.li_line_base = byte_get (hdrptr, 1);
+ hdrptr++;
+ info.li_line_range = byte_get (hdrptr, 1);
+ hdrptr++;
+ info.li_opcode_base = byte_get (hdrptr, 1);
+ hdrptr++;
+
+ /* 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 (_(" Prologue Length: %d\n"), info.li_prologue_length);
+ printf (_(" Minimum Instruction Length: %d\n"), info.li_min_insn_length);
+ printf (_(" Initial value of 'is_stmt': %d\n"), info.li_default_is_stmt);
+ printf (_(" Line Base: %d\n"), info.li_line_base);
+ printf (_(" Line Range: %d\n"), info.li_line_range);
+ printf (_(" Opcode Base: %d\n"), info.li_opcode_base);
+
+ end_of_sequence = data + info.li_length + initial_length_size;
+
+ reset_state_machine (info.li_default_is_stmt);
+
+ /* Display the contents of the Opcodes table. */
+ standard_opcodes = hdrptr;
+
+ printf (_("\n Opcodes:\n"));
+
+ for (i = 1; i < info.li_opcode_base; i++)
+ printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]);
+
+ /* 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 ((char *) 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)
+ {
+ unsigned char *name;
+ int bytes_read;
+
+ printf (_(" %d\t"), ++state_machine_regs.last_file_entry);
+ name = data;
+
+ data += strlen ((char *) data) + 1;
+
+ printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
+ data += bytes_read;
+ printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
+ data += bytes_read;
+ printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
+ data += bytes_read;
+ printf (_("%s\n"), name);
+ }
+ }
+
+ /* 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++;
+
+ if (op_code >= info.li_opcode_base)
+ {
+ op_code -= info.li_opcode_base;
+ adv = (op_code / info.li_line_range) * info.li_min_insn_length;
+ state_machine_regs.address += adv;
+ printf (_(" Special opcode %d: advance Address by %d to 0x%lx"),
+ op_code, adv, state_machine_regs.address);
+ adv = (op_code % info.li_line_range) + info.li_line_base;
+ state_machine_regs.line += adv;
+ printf (_(" and Line by %d to %d\n"),
+ adv, state_machine_regs.line);
+ }
+ else switch (op_code)
+ {
+ case DW_LNS_extended_op:
+ data += process_extended_line_op (data, info.li_default_is_stmt,
+ debug_line_pointer_size);
+ break;
+
+ case DW_LNS_copy:
+ printf (_(" Copy\n"));
+ break;
+
+ case DW_LNS_advance_pc:
+ adv = info.li_min_insn_length * read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ state_machine_regs.address += adv;
+ printf (_(" Advance PC by %d to %lx\n"), adv,
+ state_machine_regs.address);
+ break;
+
+ case DW_LNS_advance_line:
+ adv = read_leb128 (data, & bytes_read, 1);
+ data += bytes_read;
+ state_machine_regs.line += adv;
+ printf (_(" Advance Line by %d to %d\n"), adv,
+ state_machine_regs.line);
+ break;
+
+ case DW_LNS_set_file:
+ adv = read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ printf (_(" Set File Name to entry %d in the File Name Table\n"),
+ adv);
+ state_machine_regs.file = adv;
+ break;
+
+ case DW_LNS_set_column:
+ adv = read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ printf (_(" Set column to %d\n"), adv);
+ state_machine_regs.column = adv;
+ break;
+
+ case DW_LNS_negate_stmt:
+ adv = state_machine_regs.is_stmt;
+ adv = ! adv;
+ printf (_(" Set is_stmt to %d\n"), adv);
+ state_machine_regs.is_stmt = adv;
+ break;
+
+ case DW_LNS_set_basic_block:
+ printf (_(" Set basic block\n"));
+ state_machine_regs.basic_block = 1;
+ break;
+
+ case DW_LNS_const_add_pc:
+ adv = (((255 - info.li_opcode_base) / info.li_line_range)
+ * info.li_min_insn_length);
+ state_machine_regs.address += adv;
+ printf (_(" Advance PC by constant %d to 0x%lx\n"), adv,
+ state_machine_regs.address);
+ break;
+
+ case DW_LNS_fixed_advance_pc:
+ adv = byte_get (data, 2);
+ data += 2;
+ state_machine_regs.address += adv;
+ printf (_(" Advance PC by fixed size amount %d to 0x%lx\n"),
+ adv, state_machine_regs.address);
+ break;
+
+ case DW_LNS_set_prologue_end:
+ printf (_(" Set prologue_end to true\n"));
+ break;
+
+ case DW_LNS_set_epilogue_begin:
+ printf (_(" Set epilogue_begin to true\n"));
+ break;
+
+ case DW_LNS_set_isa:
+ adv = read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ printf (_(" Set ISA to %d\n"), adv);
+ break;
+
+ default:
+ printf (_(" Unknown opcode %d with operands: "), op_code);
+ {
+ int j;
+ for (j = standard_opcodes[op_code - 1]; j > 0 ; --j)
+ {
+ printf ("0x%lx%s", read_leb128 (data, &bytes_read, 0),
+ j == 1 ? "" : ", ");
+ data += bytes_read;
+ }
+ putchar ('\n');
+ }
+ break;
+ }
+ }
+ putchar ('\n');
+ }
+
+ return 1;
+}
+
+static int
+display_debug_pubnames (section, start, file)
+ Elf_Internal_Shdr *section;
+ unsigned char *start;
+ FILE *file ATTRIBUTE_UNUSED;
+{
+ DWARF2_Internal_PubNames pubnames;
+ unsigned char *end;
+
+ end = start + section->sh_size;
+
+ printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
+
+ while (start < end)
+ {
+ unsigned char *data;
+ unsigned long offset;
+ int offset_size, initial_length_size;
+
+ data = start;
+
+ pubnames.pn_length = byte_get (data, 4);
+ data += 4;
+ if (pubnames.pn_length == 0xffffffff)
+ {
+ pubnames.pn_length = byte_get (data, 8);
+ data += 8;
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+
+ pubnames.pn_version = byte_get (data, 2);
+ data += 2;
+ pubnames.pn_offset = byte_get (data, offset_size);
+ data += offset_size;
+ pubnames.pn_size = byte_get (data, offset_size);
+ data += offset_size;
+
+ start += pubnames.pn_length + initial_length_size;
+
+ if (pubnames.pn_version != 2 && pubnames.pn_version != 3)
+ {
+ static int warned = 0;
+
+ if (! warned)
+ {
+ warn (_("Only DWARF 2 and 3 pubnames are currently supported\n"));
+ warned = 1;
+ }
+
+ continue;
+ }
+
+ printf (_(" Length: %ld\n"),
+ pubnames.pn_length);
+ printf (_(" Version: %d\n"),
+ pubnames.pn_version);
+ printf (_(" Offset into .debug_info section: %ld\n"),
+ pubnames.pn_offset);
+ printf (_(" Size of area in .debug_info section: %ld\n"),
+ pubnames.pn_size);
+
+ printf (_("\n Offset\tName\n"));
+
+ do
+ {
+ offset = byte_get (data, offset_size);
+
+ if (offset != 0)
+ {
+ data += offset_size;
+ printf (" %ld\t\t%s\n", offset, data);
+ data += strlen ((char *) data) + 1;
+ }
+ }
+ while (offset != 0);
+ }
+
+ printf ("\n");
+ return 1;
+}
+
+//PG don't make this 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";
+ /* DWARF 2.1 values. */
+ case DW_TAG_dwarf_procedure: return "DW_TAG_dwarf_procedure";
+ case DW_TAG_restrict_type: return "DW_TAG_restrict_type";
+ case DW_TAG_interface_type: return "DW_TAG_interface_type";
+ case DW_TAG_namespace: return "DW_TAG_namespace";
+ case DW_TAG_imported_module: return "DW_TAG_imported_module";
+ case DW_TAG_unspecified_type: return "DW_TAG_unspecified_type";
+ case DW_TAG_partial_unit: return "DW_TAG_partial_unit";
+ case DW_TAG_imported_unit: return "DW_TAG_imported_unit";
+ /* UPC values. */
+ case DW_TAG_upc_shared_type: return "DW_TAG_upc_shared_type";
+ case DW_TAG_upc_strict_type: return "DW_TAG_upc_strict_type";
+ case DW_TAG_upc_relaxed_type: return "DW_TAG_upc_relaxed_type";
+ default:
+ {
+ static char buffer[100];
+
+ 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";
+ /* DWARF 2.1 values. */
+ case DW_AT_allocated: return "DW_AT_allocated";
+ case DW_AT_associated: return "DW_AT_associated";
+ case DW_AT_data_location: return "DW_AT_data_location";
+ case DW_AT_stride: return "DW_AT_stride";
+ case DW_AT_entry_pc: return "DW_AT_entry_pc";
+ case DW_AT_use_UTF8: return "DW_AT_use_UTF8";
+ case DW_AT_extension: return "DW_AT_extension";
+ case DW_AT_ranges: return "DW_AT_ranges";
+ case DW_AT_trampoline: return "DW_AT_trampoline";
+ case DW_AT_call_column: return "DW_AT_call_column";
+ case DW_AT_call_file: return "DW_AT_call_file";
+ case DW_AT_call_line: return "DW_AT_call_line";
+ /* SGI/MIPS extensions. */
+ 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";
+ /* GNU extensions. */
+ case DW_AT_sf_names: return "DW_AT_sf_names";
+ case DW_AT_src_info: return "DW_AT_src_info";
+ case DW_AT_mac_info: return "DW_AT_mac_info";
+ case DW_AT_src_coords: return "DW_AT_src_coords";
+ case DW_AT_body_begin: return "DW_AT_body_begin";
+ case DW_AT_body_end: return "DW_AT_body_end";
+ case DW_AT_GNU_vector: return "DW_AT_GNU_vector";
+ /* UPC extension. */
+ case DW_AT_upc_threads_scaled: return "DW_AT_upc_threads_scaled";
+ 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 ()
+{
+ 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 = attr->next;
+
+ free (attr);
+ attr = next_attr;
+ }
+
+ 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;
+
+ /* A single zero is supposed to end the section according
+ to the standard. If there's more, then signal that to
+ the caller. */
+ if (entry == 0)
+ return start == end ? NULL : start;
+
+ tag = read_leb128 (start, & bytes_read, 0);
+ start += bytes_read;
+
+ children = *start++;
+
+ add_abbrev (entry, tag, children);
+
+ do
+ {
+ unsigned long form;
+
+ attribute = read_leb128 (start, & bytes_read, 0);
+ start += bytes_read;
+
+ form = read_leb128 (start, & bytes_read, 0);
+ start += bytes_read;
+
+ if (attribute != 0)
+ add_abbrev_attr (attribute, form);
+ }
+ while (attribute != 0);
+ }
+
+ return NULL;
+}
+
+
+static int
+display_debug_macinfo (section, start, file)
+ Elf_Internal_Shdr *section;
+ unsigned char *start;
+ FILE *file ATTRIBUTE_UNUSED;
+{
+ unsigned char *end = start + section->sh_size;
+ unsigned char *curr = start;
+ unsigned int bytes_read;
+ enum dwarf_macinfo_record_type op;
+
+ printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
+
+ while (curr < end)
+ {
+ unsigned int lineno;
+ const char *string;
+
+ op = *curr;
+ curr++;
+
+ switch (op)
+ {
+ case DW_MACINFO_start_file:
+ {
+ unsigned int filenum;
+
+ lineno = read_leb128 (curr, & bytes_read, 0);
+ curr += bytes_read;
+ filenum = read_leb128 (curr, & bytes_read, 0);
+ curr += bytes_read;
+
+ printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"), lineno, filenum);
+ }
+ break;
+
+ case DW_MACINFO_end_file:
+ printf (_(" DW_MACINFO_end_file\n"));
+ break;
+
+ case DW_MACINFO_define:
+ lineno = read_leb128 (curr, & bytes_read, 0);
+ curr += bytes_read;
+ string = curr;
+ curr += strlen (string) + 1;
+ printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"), lineno, string);
+ break;
+
+ case DW_MACINFO_undef:
+ lineno = read_leb128 (curr, & bytes_read, 0);
+ curr += bytes_read;
+ string = curr;
+ curr += strlen (string) + 1;
+ printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"), lineno, string);
+ break;
+
+ case DW_MACINFO_vendor_ext:
+ {
+ unsigned int constant;
+
+ constant = read_leb128 (curr, & bytes_read, 0);
+ curr += bytes_read;
+ string = curr;
+ curr += strlen (string) + 1;
+ printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"), constant, string);
+ }
+ break;
+ }
+ }
+
+ return 1;
+}
+
+
+static int
+display_debug_abbrev (section, start, file)
+ Elf_Internal_Shdr *section;
+ unsigned char *start;
+ FILE *file ATTRIBUTE_UNUSED;
+{
+ abbrev_entry *entry;
+ unsigned char *end = start + section->sh_size;
+
+ printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
+
+ do
+ {
+ start = process_abbrev_section (start, end);
+
+ if (first_abbrev == NULL)
+ continue;
+
+ printf (_(" Number TAG\n"));
+
+ for (entry = first_abbrev; entry; entry = entry->next)
+ {
+ abbrev_attr *attr;
+
+ printf (_(" %ld %s [%s]\n"),
+ entry->entry,
+ get_TAG_name (entry->tag),
+ entry->children ? _("has children") : _("no children"));
+
+ for (attr = entry->first_attr; attr; attr = attr->next)
+ {
+ printf (_(" %-18s %s\n"),
+ get_AT_name (attr->attribute),
+ get_FORM_name (attr->form));
+ }
+ }
+
+ free_abbrevs ();
+ }
+ while (start);
+
+ printf ("\n");
+
+ return 1;
+}
+
+
+static unsigned char *
+display_block (data, length, ok_to_harvest)
+ unsigned char *data;
+ unsigned long length;
+ char ok_to_harvest;
+{
+ if (print_results && ok_to_harvest)
+ printf (_(" %lu byte block: "), length);
+
+ while (length --)
+ {
+ unsigned long temp = (unsigned long) byte_get (data++, 1);
+ if (print_results && ok_to_harvest)
+ printf ("%lx ", temp);
+ // printf ("%lx ", (unsigned long) byte_get (data++, 1));
+ }
+
+ return data;
+}
+
+static void
+decode_location_expression (data, pointer_size, length, ok_to_harvest, location_data)
+ unsigned char * data;
+ unsigned int pointer_size;
+ unsigned long length;
+ char ok_to_harvest;
+ long* location_data;
+{
+ unsigned op;
+ int bytes_read;
+ unsigned long uvalue;
+ unsigned char *end = data + length;
+
+ int print_results_and_ok = print_results && ok_to_harvest;
+
+ while (data < end)
+ {
+ op = *data++;
+
+ switch (op)
+ {
+ case DW_OP_addr:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_addr: %lx",
+ (unsigned long) byte_get (data, pointer_size));
+ data += pointer_size;
+ }
+ else
+ {
+ byte_get (data, pointer_size);
+ data += pointer_size;
+ }
+ break;
+ case DW_OP_deref:
+ if (print_results_and_ok) {printf ("DW_OP_deref");}
+ break;
+ case DW_OP_const1u:
+ if (print_results_and_ok) {printf ("DW_OP_const1u: %lu", (unsigned long) byte_get (data++, 1));}
+ else {byte_get (data++, 1);}
+ break;
+ case DW_OP_const1s:
+ if (print_results_and_ok) {printf ("DW_OP_const1s: %ld", (long) byte_get (data++, 1));}
+ else {byte_get (data++, 1);}
+ break;
+ case DW_OP_const2u:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_const2u: %lu", (unsigned long) byte_get (data, 2));
+ data += 2;
+ }
+ else
+ {
+ byte_get (data, 2);
+ data += 2;
+ }
+ break;
+ case DW_OP_const2s:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_const2s: %ld", (long) byte_get (data, 2));
+ data += 2;
+ }
+ else
+ {
+ byte_get (data, 2);
+ data += 2;
+ }
+ break;
+ case DW_OP_const4u:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_const4u: %lu", (unsigned long) byte_get (data, 4));
+ data += 4;
+ }
+ else
+ {
+ byte_get (data, 4);
+ data += 4;
+ }
+ break;
+ case DW_OP_const4s:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_const4s: %ld", (long) byte_get (data, 4));
+ data += 4;
+ }
+ else
+ {
+ byte_get (data, 4);
+ data += 4;
+ }
+ break;
+ case DW_OP_const8u:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_const8u: %lu %lu", (unsigned long) byte_get (data, 4),
+ (unsigned long) byte_get (data + 4, 4));
+ data += 8;
+ }
+ else
+ {
+ byte_get (data, 4);
+ byte_get (data + 4, 4);
+ data += 8;
+ }
+ break;
+ case DW_OP_const8s:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_const8s: %ld %ld", (long) byte_get (data, 4),
+ (long) byte_get (data + 4, 4));
+ data += 8;
+ }
+ else
+ {
+ byte_get (data, 4);
+ byte_get (data + 4, 4);
+ data += 8;
+ }
+ break;
+ case DW_OP_constu:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_constu: %lu", read_leb128 (data, &bytes_read, 0));
+ data += bytes_read;
+ }
+ else
+ {
+ read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ }
+ break;
+ case DW_OP_consts:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_consts: %ld", read_leb128 (data, &bytes_read, 1));
+ data += bytes_read;
+ }
+ else
+ {
+ read_leb128 (data, &bytes_read, 1);
+ data += bytes_read;
+ }
+ break;
+ case DW_OP_dup:
+ if (print_results_and_ok) printf ("DW_OP_dup");
+ break;
+ case DW_OP_drop:
+ if (print_results_and_ok) printf ("DW_OP_drop");
+ break;
+ case DW_OP_over:
+ if (print_results_and_ok) printf ("DW_OP_over");
+ break;
+ case DW_OP_pick:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_pick: %ld", (unsigned long) byte_get (data++, 1));
+ }
+ else
+ {
+ byte_get (data++, 1);
+ }
+ break;
+ case DW_OP_swap:
+ if (print_results_and_ok) printf ("DW_OP_swap");
+ break;
+ case DW_OP_rot:
+ if (print_results_and_ok) printf ("DW_OP_rot");
+ break;
+ case DW_OP_xderef:
+ if (print_results_and_ok) printf ("DW_OP_xderef");
+ break;
+ case DW_OP_abs:
+ if (print_results_and_ok) printf ("DW_OP_abs");
+ break;
+ case DW_OP_and:
+ if (print_results_and_ok) printf ("DW_OP_and");
+ break;
+ case DW_OP_div:
+ if (print_results_and_ok) printf ("DW_OP_div");
+ break;
+ case DW_OP_minus:
+ if (print_results_and_ok) printf ("DW_OP_minus");
+ break;
+ case DW_OP_mod:
+ if (print_results_and_ok) printf ("DW_OP_mod");
+ break;
+ case DW_OP_mul:
+ if (print_results_and_ok) printf ("DW_OP_mul");
+ break;
+ case DW_OP_neg:
+ if (print_results_and_ok) printf ("DW_OP_neg");
+ break;
+ case DW_OP_not:
+ if (print_results_and_ok) printf ("DW_OP_not");
+ break;
+ case DW_OP_or:
+ if (print_results_and_ok) printf ("DW_OP_or");
+ break;
+ case DW_OP_plus:
+ if (print_results_and_ok) printf ("DW_OP_plus");
+ break;
+ case DW_OP_plus_uconst:
+ if (ok_to_harvest && location_data)
+ {
+ unsigned long uconst_data = read_leb128 (data, &bytes_read, 0);
+ *location_data = (long)uconst_data;
+ if (print_results)
+ {
+ printf ("DW_OP_plus_uconst: %lu",
+ uconst_data);
+ }
+ data += bytes_read;
+ }
+ else
+ {
+ read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ }
+ break;
+ case DW_OP_shl:
+ if (print_results_and_ok) printf ("DW_OP_shl");
+ break;
+ case DW_OP_shr:
+ if (print_results_and_ok) printf ("DW_OP_shr");
+ break;
+ case DW_OP_shra:
+ if (print_results_and_ok) printf ("DW_OP_shra");
+ break;
+ case DW_OP_xor:
+ if (print_results_and_ok) printf ("DW_OP_xor");
+ break;
+ case DW_OP_bra:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_bra: %ld", (long) byte_get (data, 2));
+ data += 2;
+ }
+ else
+ {
+ byte_get (data, 2);
+ data += 2;
+ }
+ break;
+ case DW_OP_eq:
+ if (print_results_and_ok) printf ("DW_OP_eq");
+ break;
+ case DW_OP_ge:
+ if (print_results_and_ok) printf ("DW_OP_ge");
+ break;
+ case DW_OP_gt:
+ if (print_results_and_ok) printf ("DW_OP_gt");
+ break;
+ case DW_OP_le:
+ if (print_results_and_ok) printf ("DW_OP_le");
+ break;
+ case DW_OP_lt:
+ if (print_results_and_ok) printf ("DW_OP_lt");
+ break;
+ case DW_OP_ne:
+ if (print_results_and_ok) printf ("DW_OP_ne");
+ break;
+ case DW_OP_skip:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_skip: %ld", (long) byte_get (data, 2));
+ data += 2;
+ }
+ else
+ {
+ byte_get (data, 2);
+ data += 2;
+ }
+ break;
+
+ case DW_OP_lit0:
+ case DW_OP_lit1:
+ case DW_OP_lit2:
+ case DW_OP_lit3:
+ case DW_OP_lit4:
+ case DW_OP_lit5:
+ case DW_OP_lit6:
+ case DW_OP_lit7:
+ case DW_OP_lit8:
+ case DW_OP_lit9:
+ case DW_OP_lit10:
+ case DW_OP_lit11:
+ case DW_OP_lit12:
+ case DW_OP_lit13:
+ case DW_OP_lit14:
+ case DW_OP_lit15:
+ case DW_OP_lit16:
+ case DW_OP_lit17:
+ case DW_OP_lit18:
+ case DW_OP_lit19:
+ case DW_OP_lit20:
+ case DW_OP_lit21:
+ case DW_OP_lit22:
+ case DW_OP_lit23:
+ case DW_OP_lit24:
+ case DW_OP_lit25:
+ case DW_OP_lit26:
+ case DW_OP_lit27:
+ case DW_OP_lit28:
+ case DW_OP_lit29:
+ case DW_OP_lit30:
+ case DW_OP_lit31:
+ if (print_results_and_ok) printf ("DW_OP_lit%d", op - DW_OP_lit0);
+ break;
+
+ case DW_OP_reg0:
+ case DW_OP_reg1:
+ case DW_OP_reg2:
+ case DW_OP_reg3:
+ case DW_OP_reg4:
+ case DW_OP_reg5:
+ case DW_OP_reg6:
+ case DW_OP_reg7:
+ case DW_OP_reg8:
+ case DW_OP_reg9:
+ case DW_OP_reg10:
+ case DW_OP_reg11:
+ case DW_OP_reg12:
+ case DW_OP_reg13:
+ case DW_OP_reg14:
+ case DW_OP_reg15:
+ case DW_OP_reg16:
+ case DW_OP_reg17:
+ case DW_OP_reg18:
+ case DW_OP_reg19:
+ case DW_OP_reg20:
+ case DW_OP_reg21:
+ case DW_OP_reg22:
+ case DW_OP_reg23:
+ case DW_OP_reg24:
+ case DW_OP_reg25:
+ case DW_OP_reg26:
+ case DW_OP_reg27:
+ case DW_OP_reg28:
+ case DW_OP_reg29:
+ case DW_OP_reg30:
+ case DW_OP_reg31:
+ if (print_results_and_ok) printf ("DW_OP_reg%d", op - DW_OP_reg0);
+ break;
+
+ case DW_OP_breg0:
+ case DW_OP_breg1:
+ case DW_OP_breg2:
+ case DW_OP_breg3:
+ case DW_OP_breg4:
+ case DW_OP_breg5:
+ case DW_OP_breg6:
+ case DW_OP_breg7:
+ case DW_OP_breg8:
+ case DW_OP_breg9:
+ case DW_OP_breg10:
+ case DW_OP_breg11:
+ case DW_OP_breg12:
+ case DW_OP_breg13:
+ case DW_OP_breg14:
+ case DW_OP_breg15:
+ case DW_OP_breg16:
+ case DW_OP_breg17:
+ case DW_OP_breg18:
+ case DW_OP_breg19:
+ case DW_OP_breg20:
+ case DW_OP_breg21:
+ case DW_OP_breg22:
+ case DW_OP_breg23:
+ case DW_OP_breg24:
+ case DW_OP_breg25:
+ case DW_OP_breg26:
+ case DW_OP_breg27:
+ case DW_OP_breg28:
+ case DW_OP_breg29:
+ case DW_OP_breg30:
+ case DW_OP_breg31:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_breg%d: %ld", op - DW_OP_breg0,
+ read_leb128 (data, &bytes_read, 1));
+ data += bytes_read;
+ }
+ else
+ {
+ read_leb128 (data, &bytes_read, 1);
+ data += bytes_read;
+ }
+ break;
+
+ case DW_OP_regx:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_regx: %lu", read_leb128 (data, &bytes_read, 0));
+ data += bytes_read;
+ }
+ else
+ {
+ read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ }
+ break;
+ case DW_OP_fbreg:
+ if (ok_to_harvest && location_data)
+ {
+ unsigned long fbreg_value = read_leb128 (data, &bytes_read, 1);
+ *location_data = (long)fbreg_value;
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_fbreg: %ld", fbreg_value);
+ }
+ data += bytes_read;
+ }
+ else
+ {
+ read_leb128 (data, &bytes_read, 1);
+ data += bytes_read;
+ }
+ break;
+ case DW_OP_bregx:
+ if (print_results_and_ok)
+ {
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ printf ("DW_OP_bregx: %lu %ld", uvalue,
+ read_leb128 (data, &bytes_read, 1));
+ data += bytes_read;
+ }
+ else
+ {
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ read_leb128 (data, &bytes_read, 1);
+ data += bytes_read;
+ }
+ break;
+ case DW_OP_piece:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_piece: %lu", read_leb128 (data, &bytes_read, 0));
+ data += bytes_read;
+ }
+ else
+ {
+ read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ }
+ break;
+ case DW_OP_deref_size:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_deref_size: %ld", (long) byte_get (data++, 1));
+ }
+ else
+ {
+ byte_get (data++, 1);
+ }
+ break;
+ case DW_OP_xderef_size:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_xderef_size: %ld", (long) byte_get (data++, 1));
+ }
+ else
+ {
+ byte_get (data++, 1);
+ }
+ break;
+ case DW_OP_nop:
+ if (print_results_and_ok) printf ("DW_OP_nop");
+ break;
+
+ /* DWARF 3 extensions. */
+ case DW_OP_push_object_address:
+ if (print_results_and_ok) printf ("DW_OP_push_object_address");
+ break;
+ case DW_OP_call2:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_call2: <%lx>", (long) byte_get (data, 2));
+ data += 2;
+ }
+ else
+ {
+ byte_get (data, 2);
+ data += 2;
+ }
+ break;
+ case DW_OP_call4:
+ if (print_results_and_ok)
+ {
+ printf ("DW_OP_call4: <%lx>", (long) byte_get (data, 4));
+ data += 4;
+ }
+ else
+ {
+ byte_get (data, 4);
+ data += 4;
+ }
+ break;
+ case DW_OP_call_ref:
+ if (print_results_and_ok) printf ("DW_OP_call_ref");
+ break;
+
+ /* GNU extensions. */
+ case DW_OP_GNU_push_tls_address:
+ if (print_results_and_ok) printf ("DW_OP_GNU_push_tls_address");
+ break;
+
+ default:
+ if (op >= DW_OP_lo_user
+ && op <= DW_OP_hi_user)
+ printf (_("(User defined location op)"));
+ else
+ printf (_("(Unknown location op)"));
+ /* No way to tell where the next op is, so just bail. */
+ return;
+ }
+
+ /* Separate the ops. */
+ if (data < end)
+ {
+ if (print_results_and_ok)
+ printf ("; ");
+ }
+ }
+}
+
+/*
+ unsigned op;
+ int bytes_read;
+ unsigned long uvalue;
+ unsigned char *end = data + length;
+
+ while (data < end)
+ {
+ op = *data++;
+
+ switch (op)
+ {
+ case DW_OP_addr:
+ if (display) printf ("DW_OP_addr: %lx",
+ (unsigned long) byte_get (data, pointer_size));
+ data += pointer_size;
+ break;
+ case DW_OP_deref:
+ if (display) printf ("DW_OP_deref");
+ break;
+ case DW_OP_const1u:
+ if (display) printf ("DW_OP_const1u: %lu", (unsigned long) byte_get (data++, 1));
+ else data++;
+ break;
+ case DW_OP_const1s:
+ if (display) printf ("DW_OP_const1s: %ld", (long) byte_get (data++, 1));
+ else data++;
+ break;
+ case DW_OP_const2u:
+ if (display) printf ("DW_OP_const2u: %lu", (unsigned long) byte_get (data, 2));
+ data += 2;
+ break;
+ case DW_OP_const2s:
+ if (display) printf ("DW_OP_const2s: %ld", (long) byte_get (data, 2));
+ data += 2;
+ break;
+ case DW_OP_const4u:
+ if (display) printf ("DW_OP_const4u: %lu", (unsigned long) byte_get (data, 4));
+ data += 4;
+ break;
+ case DW_OP_const4s:
+ if (display) printf ("DW_OP_const4s: %ld", (long) byte_get (data, 4));
+ data += 4;
+ break;
+ case DW_OP_const8u:
+ if (display) printf ("DW_OP_const8u: %lu %lu", (unsigned long) byte_get (data, 4),
+ (unsigned long) byte_get (data + 4, 4));
+ data += 8;
+ break;
+ case DW_OP_const8s:
+ if (display) printf ("DW_OP_const8s: %ld %ld", (long) byte_get (data, 4),
+ (long) byte_get (data + 4, 4));
+ data += 8;
+ break;
+ case DW_OP_constu:
+ if (display) printf ("DW_OP_constu: %lu", read_leb128 (data, &bytes_read, 0));
+ data += bytes_read;
+ break;
+ case DW_OP_consts:
+ if (display) printf ("DW_OP_consts: %ld", read_leb128 (data, &bytes_read, 1));
+ data += bytes_read;
+ break;
+ case DW_OP_dup:
+ if (display) printf ("DW_OP_dup");
+ break;
+ case DW_OP_drop:
+ if (display) printf ("DW_OP_drop");
+ break;
+ case DW_OP_over:
+ if (display) printf ("DW_OP_over");
+ break;
+ case DW_OP_pick:
+ if (display) printf ("DW_OP_pick: %ld", (unsigned long) byte_get (data++, 1));
+ else data++;
+ break;
+ case DW_OP_swap:
+ if (display) printf ("DW_OP_swap");
+ break;
+ case DW_OP_rot:
+ if (display) printf ("DW_OP_rot");
+ break;
+ case DW_OP_xderef:
+ if (display) printf ("DW_OP_xderef");
+ break;
+ case DW_OP_abs:
+ if (display) printf ("DW_OP_abs");
+ break;
+ case DW_OP_and:
+ if (display) printf ("DW_OP_and");
+ break;
+ case DW_OP_div:
+ if (display) printf ("DW_OP_div");
+ break;
+ case DW_OP_minus:
+ if (display) printf ("DW_OP_minus");
+ break;
+ case DW_OP_mod:
+ if (display) printf ("DW_OP_mod");
+ break;
+ case DW_OP_mul:
+ if (display) printf ("DW_OP_mul");
+ break;
+ case DW_OP_neg:
+ if (display) printf ("DW_OP_neg");
+ break;
+ case DW_OP_not:
+ if (display) printf ("DW_OP_not");
+ break;
+ case DW_OP_or:
+ if (display) printf ("DW_OP_or");
+ break;
+ case DW_OP_plus:
+ if (display) printf ("DW_OP_plus");
+ break;
+ case DW_OP_plus_uconst:
+ if (display)
+ {
+ unsigned long uconst_data = read_leb128 (data, &bytes_read, 0);
+ if (location_data)
+ *location_data = (long)uconst_data;
+ printf ("DW_OP_plus_uconst: %lu",
+ uconst_data);
+ }
+ data += bytes_read;
+ break;
+ case DW_OP_shl:
+ if (display) printf ("DW_OP_shl");
+ break;
+ case DW_OP_shr:
+ if (display) printf ("DW_OP_shr");
+ break;
+ case DW_OP_shra:
+ if (display) printf ("DW_OP_shra");
+ break;
+ case DW_OP_xor:
+ if (display) printf ("DW_OP_xor");
+ break;
+ case DW_OP_bra:
+ if (display) printf ("DW_OP_bra: %ld", (long) byte_get (data, 2));
+ data += 2;
+ break;
+ case DW_OP_eq:
+ if (display) printf ("DW_OP_eq");
+ break;
+ case DW_OP_ge:
+ if (display) printf ("DW_OP_ge");
+ break;
+ case DW_OP_gt:
+ if (display) printf ("DW_OP_gt");
+ break;
+ case DW_OP_le:
+ if (display) printf ("DW_OP_le");
+ break;
+ case DW_OP_lt:
+ if (display) printf ("DW_OP_lt");
+ break;
+ case DW_OP_ne:
+ if (display) printf ("DW_OP_ne");
+ break;
+ case DW_OP_skip:
+ if (display) printf ("DW_OP_skip: %ld", (long) byte_get (data, 2));
+ data += 2;
+ break;
+
+ case DW_OP_lit0:
+ case DW_OP_lit1:
+ case DW_OP_lit2:
+ case DW_OP_lit3:
+ case DW_OP_lit4:
+ case DW_OP_lit5:
+ case DW_OP_lit6:
+ case DW_OP_lit7:
+ case DW_OP_lit8:
+ case DW_OP_lit9:
+ case DW_OP_lit10:
+ case DW_OP_lit11:
+ case DW_OP_lit12:
+ case DW_OP_lit13:
+ case DW_OP_lit14:
+ case DW_OP_lit15:
+ case DW_OP_lit16:
+ case DW_OP_lit17:
+ case DW_OP_lit18:
+ case DW_OP_lit19:
+ case DW_OP_lit20:
+ case DW_OP_lit21:
+ case DW_OP_lit22:
+ case DW_OP_lit23:
+ case DW_OP_lit24:
+ case DW_OP_lit25:
+ case DW_OP_lit26:
+ case DW_OP_lit27:
+ case DW_OP_lit28:
+ case DW_OP_lit29:
+ case DW_OP_lit30:
+ case DW_OP_lit31:
+ if (display) printf ("DW_OP_lit%d", op - DW_OP_lit0);
+ break;
+
+ case DW_OP_reg0:
+ case DW_OP_reg1:
+ case DW_OP_reg2:
+ case DW_OP_reg3:
+ case DW_OP_reg4:
+ case DW_OP_reg5:
+ case DW_OP_reg6:
+ case DW_OP_reg7:
+ case DW_OP_reg8:
+ case DW_OP_reg9:
+ case DW_OP_reg10:
+ case DW_OP_reg11:
+ case DW_OP_reg12:
+ case DW_OP_reg13:
+ case DW_OP_reg14:
+ case DW_OP_reg15:
+ case DW_OP_reg16:
+ case DW_OP_reg17:
+ case DW_OP_reg18:
+ case DW_OP_reg19:
+ case DW_OP_reg20:
+ case DW_OP_reg21:
+ case DW_OP_reg22:
+ case DW_OP_reg23:
+ case DW_OP_reg24:
+ case DW_OP_reg25:
+ case DW_OP_reg26:
+ case DW_OP_reg27:
+ case DW_OP_reg28:
+ case DW_OP_reg29:
+ case DW_OP_reg30:
+ case DW_OP_reg31:
+ if (display) printf ("DW_OP_reg%d", op - DW_OP_reg0);
+ break;
+
+ case DW_OP_breg0:
+ case DW_OP_breg1:
+ case DW_OP_breg2:
+ case DW_OP_breg3:
+ case DW_OP_breg4:
+ case DW_OP_breg5:
+ case DW_OP_breg6:
+ case DW_OP_breg7:
+ case DW_OP_breg8:
+ case DW_OP_breg9:
+ case DW_OP_breg10:
+ case DW_OP_breg11:
+ case DW_OP_breg12:
+ case DW_OP_breg13:
+ case DW_OP_breg14:
+ case DW_OP_breg15:
+ case DW_OP_breg16:
+ case DW_OP_breg17:
+ case DW_OP_breg18:
+ case DW_OP_breg19:
+ case DW_OP_breg20:
+ case DW_OP_breg21:
+ case DW_OP_breg22:
+ case DW_OP_breg23:
+ case DW_OP_breg24:
+ case DW_OP_breg25:
+ case DW_OP_breg26:
+ case DW_OP_breg27:
+ case DW_OP_breg28:
+ case DW_OP_breg29:
+ case DW_OP_breg30:
+ case DW_OP_breg31:
+ if (display) printf ("DW_OP_breg%d: %ld", op - DW_OP_breg0,
+ read_leb128 (data, &bytes_read, 1));
+ data += bytes_read;
+ break;
+
+ case DW_OP_regx:
+ if (display) printf ("DW_OP_regx: %lu", read_leb128 (data, &bytes_read, 0));
+ data += bytes_read;
+ break;
+ case DW_OP_fbreg:
+ if (display)
+ {
+ unsigned long fbreg_value = read_leb128 (data, &bytes_read, 1);
+ if (location_data)
+ *location_data = (long)fbreg_value;
+ printf ("DW_OP_fbreg: %ld", fbreg_value);
+ }
+ data += bytes_read;
+ break;
+ case DW_OP_bregx:
+ uvalue = read_leb128 (data, &bytes_read, 0);
+ data += bytes_read;
+ if (display) printf ("DW_OP_bregx: %lu %ld", uvalue,
+ read_leb128 (data, &bytes_read, 1));
+ data += bytes_read;
+ break;
+ case DW_OP_piece:
+ if (display) printf ("DW_OP_piece: %lu", read_leb128 (data, &bytes_read, 0));
+ data += bytes_read;
+ break;
+ case DW_OP_deref_size:
+ if (display) printf ("DW_OP_deref_size: %ld", (long) byte_get (data++, 1));
+ else data++;
+ break;
+ case DW_OP_xderef_size:
+ if (display) printf ("DW_OP_xderef_size: %ld", (long) byte_get (data++, 1));
+ else data++;
+ break;
+ case DW_OP_nop:
+ if (display) printf ("DW_OP_nop");
+ break;
+
+ // DWARF 3 extensions.
+ case DW_OP_push_object_address:
+ if (display) printf ("DW_OP_push_object_address");
+ break;
+ case DW_OP_call2:
+ if (display) printf ("DW_OP_call2: <%lx>", (long) byte_get (data, 2));
+ data += 2;
+ break;
+ case DW_OP_call4:
+ if (display) printf ("DW_OP_call4: <%lx>", (long) byte_get (data, 4));
+ data += 4;
+ break;
+ case DW_OP_call_ref:
+ if (display) printf ("DW_OP_call_ref");
+ break;
+
+ // GNU extensions.
+ case DW_OP_GNU_push_tls_address:
+ if (display) printf ("DW_OP_GNU_push_tls_address");
+ break;
+
+ default:
+ if (op >= DW_OP_lo_user
+ && op <= DW_OP_hi_user)
+ {
+ if (display) printf (_("(User defined location op)"));
+ }
+ else
+ {
+ if (display) printf (_("(Unknown location op)"));
+ }
+ // No way to tell where the next op is, so just bail.
+ return;
+ }
+
+ // Separate the ops.
+ if (data < end)
+ {
+ if (display) printf ("; ");
+ }
+ }
+}
+*/
+
+static const char *debug_loc_contents;
+static bfd_vma debug_loc_size;
+
+static void
+load_debug_loc (file)
+ FILE *file;
+{
+ Elf_Internal_Shdr *sec;
+ unsigned int i;
+
+ /* If it is already loaded, do nothing. */
+ if (debug_loc_contents != NULL)
+ return;
+
+ /* Locate the .debug_loc section. */
+ for (i = 0, sec = section_headers;
+ i < elf_header.e_shnum;
+ i++, sec++)
+ if (strcmp (SECTION_NAME (sec), ".debug_loc") == 0)
+ break;
+
+ if (i == elf_header.e_shnum || sec->sh_size == 0)
+ return;
+
+ debug_loc_size = sec->sh_size;
+
+ debug_loc_contents = ((char *)
+ get_data (NULL, file, sec->sh_offset, sec->sh_size,
+ _("debug_loc section data")));
+}
+
+static void
+free_debug_loc ()
+{
+ if (debug_loc_contents == NULL)
+ return;
+
+ free ((char *) debug_loc_contents);
+ debug_loc_contents = NULL;
+ debug_loc_size = 0;
+}
+
+
+static int
+display_debug_loc (section, start, file)
+ Elf_Internal_Shdr *section;
+ unsigned char *start;
+ FILE *file ATTRIBUTE_UNUSED;
+{
+ unsigned char *section_end;
+ unsigned long bytes;
+ unsigned char *section_begin = start;
+ bfd_vma addr;
+
+ addr = section->sh_addr;
+ bytes = section->sh_size;
+ section_end = start + bytes;
+
+ if (bytes == 0)
+ {
+ printf (_("\nThe .debug_loc section is empty.\n"));
+ return 0;
+ }
+
+ printf (_("Contents of the .debug_loc section:\n\n"));
+ printf (_("\n Offset Begin End Expression\n"));
+
+ while (start < section_end)
+ {
+ unsigned long begin;
+ unsigned long end;
+ unsigned short length;
+ unsigned long offset;
+
+ offset = start - section_begin;
+
+ while (1)
+ {
+ /* Normally, the lists in the debug_loc section are related to a
+ given compilation unit, and thus, we would use the pointer size
+ of that compilation unit. However, since we are displaying it
+ seperately here, we either have to store pointer sizes of all
+ compilation units, or assume they don't change. We assume,
+ like the debug_line display, that it doesn't change. */
+ begin = byte_get (start, debug_line_pointer_size);
+ start += debug_line_pointer_size;
+ end = byte_get (start, debug_line_pointer_size);
+ start += debug_line_pointer_size;
+
+ if (begin == 0 && end == 0)
+ break;
+
+ /* For now, skip any base address specifiers. */
+ if (begin == 0xffffffff)
+ continue;
+
+ begin += addr;
+ end += addr;
+
+ length = byte_get (start, 2);
+ start += 2;
+
+ printf (" %8.8lx %8.8lx %8.8lx (", offset, begin, end);
+ decode_location_expression (start, debug_line_pointer_size, length, 1, 0);
+ printf (")\n");
+
+ start += length;
+ }
+ printf ("\n");
+ }
+ return 1;
+}
+
+static const char *debug_str_contents;
+static bfd_vma debug_str_size;
+
+static void
+load_debug_str (file)
+ FILE *file;
+{
+ Elf_Internal_Shdr *sec;
+ unsigned int i;
+
+ /* If it is already loaded, do nothing. */
+ if (debug_str_contents != NULL)
+ return;
+
+ /* Locate the .debug_str section. */
+ for (i = 0, sec = section_headers;
+ i < elf_header.e_shnum;
+ i++, sec++)
+ if (strcmp (SECTION_NAME (sec), ".debug_str") == 0)
+ break;
+
+ if (i == elf_header.e_shnum || sec->sh_size == 0)
+ return;
+
+ debug_str_size = sec->sh_size;
+
+ debug_str_contents = ((char *)
+ get_data (NULL, file, sec->sh_offset, sec->sh_size,
+ _("debug_str section data")));
+}
+
+static void
+free_debug_str ()
+{
+ if (debug_str_contents == NULL)
+ return;
+
+ free ((char *) debug_str_contents);
+ debug_str_contents = NULL;
+ debug_str_size = 0;
+}
+
+static const char *
+fetch_indirect_string (offset)
+ unsigned long offset;
+{
+ if (debug_str_contents == NULL)
+ return _("<no .debug_str section>");
+
+ if (offset > debug_str_size)
+ return _("<offset is too big>");
+
+ return debug_str_contents + offset;
+}
+
+static int
+display_debug_str (section, start, file)
+ Elf_Internal_Shdr *section;
+ unsigned char *start;
+ FILE *file ATTRIBUTE_UNUSED;
+{
+ unsigned long bytes;
+ bfd_vma addr;
+
+ addr = section->sh_addr;
+ bytes = section->sh_size;
+
+ if (bytes == 0)
+ {
+ printf (_("\nThe .debug_str section is empty.\n"));
+ return 0;
+ }
+
+ printf (_("Contents of the .debug_str section:\n\n"));
+
+ while (bytes)
+ {
+ int j;
+ int k;
+ int lbytes;
+
+ lbytes = (bytes > 16 ? 16 : bytes);
+
+ printf (" 0x%8.8lx ", (unsigned long) addr);
+
+ for (j = 0; j < 16; j++)
+ {
+ if (j < lbytes)
+ printf ("%2.2x", start[j]);
+ else
+ printf (" ");
+
+ if ((j & 3) == 3)
+ printf (" ");
+ }
+
+ for (j = 0; j < lbytes; j++)
+ {
+ k = start[j];
+ if (k >= ' ' && k < 0x80)
+ printf ("%c", k);
+ else
+ printf (".");
+ }
+
+ putchar ('\n');
+
+ start += lbytes;
+ addr += lbytes;
+ bytes -= lbytes;
+ }
+
+ return 1;
+}
+
+static unsigned char *
+read_and_display_attr_value (attribute, form, data, cu_offset, pointer_size,
+ offset_size, dwarf_version, entry, ok)
+ unsigned long attribute;
+ unsigned long form;
+ unsigned char *data;
+ unsigned long cu_offset;
+ unsigned long pointer_size;
+ unsigned long offset_size;
+ int dwarf_version;
+ dwarf_entry* entry;
+ char ok;
+{
+ unsigned long uvalue = 0;
+ unsigned char *block_start = NULL;
+ int bytes_read;
+
+ int print_results_and_ok = print_results && ok;
+
+ switch (form)
+ {
+ default:
+ break;
+
+ case DW_FORM_ref_addr:
+ if (dwarf_version == 2)
+ {
+ uvalue = byte_get (data, pointer_size);
+ data += pointer_size;
+ }
+ else if (dwarf_version == 3)
+ {
+ uvalue = byte_get (data, offset_size);
+ data += offset_size;
+ }
+ else
+ {
+ error (_("Internal error: DWARF version is not 2 or 3.\n"));
+ }
+ break;
+
+ case DW_FORM_addr:
+ uvalue = byte_get (data, pointer_size);
+ data += pointer_size;
+ break;
+
+ case DW_FORM_strp:
+ uvalue = byte_get (data, offset_size);
+ data += offset_size;
+ break;
+
+ case DW_FORM_ref1:
+ case DW_FORM_flag:
+ case DW_FORM_data1:
+ uvalue = byte_get (data++, 1);
+ break;
+
+ case DW_FORM_ref2:
+ case DW_FORM_data2:
+ uvalue = byte_get (data, 2);
+ data += 2;
+ break;
+
+ case DW_FORM_ref4:
+ case DW_FORM_data4:
+ uvalue = byte_get (data, 4);
+ data += 4;
+ break;
+
+ case DW_FORM_sdata:
+ uvalue = read_leb128 (data, & bytes_read, 1);
+ data += bytes_read;
+ break;
+
+ case DW_FORM_ref_udata:
+ case DW_FORM_udata:
+ uvalue = read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ break;
+
+ case DW_FORM_indirect:
+ form = read_leb128 (data, & bytes_read, 0);
+ data += bytes_read;
+ if (print_results_and_ok) {printf (" %s", get_FORM_name (form));}
+ return read_and_display_attr_value (attribute, form, data, cu_offset,
+ pointer_size, offset_size,
+ dwarf_version, entry, ok);
+ }
+
+ switch (form)
+ {
+ case DW_FORM_ref_addr:
+ if (print_results_and_ok) {printf (" <#%lx>", uvalue);}
+ break;
+
+ // DW_AT_type returns data in this form (REMEMBER cu_offset!):
+ case DW_FORM_ref1:
+ case DW_FORM_ref2:
+ case DW_FORM_ref4:
+ case DW_FORM_ref_udata:
+ if (ok)
+ {
+ harvest_type_value(entry, uvalue + cu_offset);
+ if (print_results)
+ {
+ printf (" <%lx>", uvalue + cu_offset);
+ }
+ }
+ break;
+
+ case DW_FORM_addr:
+ if (ok)
+ {
+ harvest_address_value(entry, attribute, uvalue);
+ if (print_results)
+ printf (" %#lx", uvalue);
+ }
+ break;
+ if (print_results_and_ok)
+
+ // DW_AT_byte_size, DW_AT_encoding, DW_AT_const_value,
+ // DW_AT_bit_size, DW_AT_bit_offset, and DW_AT_external
+ // return data in this form:
+ case DW_FORM_flag:
+ case DW_FORM_data1:
+ case DW_FORM_data2:
+ case DW_FORM_data4:
+ case DW_FORM_sdata:
+ case DW_FORM_udata:
+ if (ok)
+ {
+ harvest_ordinary_unsigned_value(entry, attribute, uvalue);
+ if (print_results_and_ok)
+ {
+ printf (" %ld", uvalue);
+ }
+ }
+ break;
+
+ case DW_FORM_ref8:
+ case DW_FORM_data8:
+ uvalue = byte_get (data, 4);
+ if (print_results_and_ok) {printf (" %lx", uvalue);}
+ if (print_results_and_ok)
+ {
+ printf (" %lx", (unsigned long) byte_get (data + 4, 4));
+ }
+ else
+ {
+ byte_get (data + 4, 4);
+ }
+ data += 8;
+ break;
+
+ // DW_AT_name/DW_AT_comp_dir can be a string, or an indirect string ... (see below)
+ case DW_FORM_string:
+ if (ok)
+ {
+ harvest_string(entry, attribute, data);
+ if (print_results_and_ok)
+ {
+ printf (" %s", data);
+ }
+ }
+ data += strlen ((char *) data) + 1;
+ break;
+
+ case DW_FORM_block:
+ uvalue = read_leb128 (data, & bytes_read, 0);
+ block_start = data + bytes_read;
+ data = display_block (block_start, uvalue, ok);
+ break;
+
+ case DW_FORM_block1:
+ uvalue = byte_get (data, 1);
+ block_start = data + 1;
+ data = display_block (block_start, uvalue, ok);
+ break;
+
+ case DW_FORM_block2:
+ uvalue = byte_get (data, 2);
+ block_start = data + 2;
+ data = display_block (block_start, uvalue, ok);
+ break;
+
+ case DW_FORM_block4:
+ uvalue = byte_get (data, 4);
+ block_start = data + 4;
+ data = display_block (block_start, uvalue, ok);
+ break;
+
+ // DW_AT_name/DW_AT_comp_dir can be an indirect string ... but it can also be a string (see above)
+ case DW_FORM_strp:
+ if (ok)
+ {
+ const char* ind_str = fetch_indirect_string (uvalue);
+ harvest_string(entry, attribute, ind_str);
+ if (print_results_and_ok)
+ {
+ printf (_(" (indirect string, offset: 0x%lx): %s"),
+ uvalue, ind_str);
+ }
+ }
+ break;
+
+ case DW_FORM_indirect:
+ /* Handled above. */
+ break;
+
+ default:
+ warn (_("Unrecognized form: %d\n"), form);
+ break;
+ }
+
+ /* For some attributes we can display futher information. */
+
+ if (print_results_and_ok) {printf ("\t");}
+
+ switch (attribute)
+ {
+ case DW_AT_inline:
+ switch (uvalue)
+ {
+ case DW_INL_not_inlined:
+ if (print_results_and_ok) {printf (_("(not inlined)"));}
+ break;
+ case DW_INL_inlined:
+ if (print_results_and_ok) {printf (_("(inlined)"));}
+ break;
+ case DW_INL_declared_not_inlined:
+ if (print_results_and_ok) {printf (_("(declared as inline but ignored)"));}
+ break;
+ case DW_INL_declared_inlined:
+ if (print_results_and_ok) {printf (_("(declared as inline and inlined)"));}
+ break;
+ default:
+ if (print_results_and_ok) {printf (_(" (Unknown inline attribute value: %lx)"), uvalue);}
+ break;
+ }
+ break;
+
+ case DW_AT_language:
+ switch (uvalue)
+ {
+ case DW_LANG_C: if (print_results_and_ok) {printf ("(non-ANSI C)");} break;
+ case DW_LANG_C89: if (print_results_and_ok) {printf ("(ANSI C)");} break;
+ case DW_LANG_C_plus_plus: if (print_results_and_ok) {printf ("(C++)");} break;
+ case DW_LANG_Fortran77: if (print_results_and_ok) {printf ("(FORTRAN 77)");} break;
+ case DW_LANG_Fortran90: if (print_results_and_ok) {printf ("(Fortran 90)");} break;
+ case DW_LANG_Modula2: if (print_results_and_ok) {printf ("(Modula 2)");} break;
+ case DW_LANG_Pascal83: if (print_results_and_ok) {printf ("(ANSI Pascal)");} break;
+ case DW_LANG_Ada83: if (print_results_and_ok) {printf ("(Ada)");} break;
+ case DW_LANG_Cobol74: if (print_results_and_ok) {printf ("(Cobol 74)");} break;
+ case DW_LANG_Cobol85: if (print_results_and_ok) {printf ("(Cobol 85)");} break;
+ /* DWARF 2.1 values. */
+ case DW_LANG_C99: if (print_results_and_ok) {printf ("(ANSI C99)");} break;
+ case DW_LANG_Ada95: if (print_results_and_ok) {printf ("(ADA 95)");} break;
+ case DW_LANG_Fortran95: if (print_results_and_ok) {printf ("(Fortran 95)");} break;
+ /* MIPS extension. */
+ case DW_LANG_Mips_Assembler: if (print_results_and_ok) {printf ("(MIPS assembler)");} break;
+ /* UPC extension. */
+ case DW_LANG_Upc: if (print_results_and_ok) {printf ("(Unified Parallel C)");} break;
+ default:
+ if (print_results_and_ok) {printf ("(Unknown: %lx)", uvalue);}
+ break;
+ }
+ break;
+
+ case DW_AT_encoding:
+ switch (uvalue)
+ {
+ case DW_ATE_void: if (print_results_and_ok) {printf ("(void)");} break;
+ case DW_ATE_address: if (print_results_and_ok) {printf ("(machine address)");} break;
+ case DW_ATE_boolean: if (print_results_and_ok) {printf ("(boolean)");} break;
+ case DW_ATE_complex_float: if (print_results_and_ok) {printf ("(complex float)");} break;
+ case DW_ATE_float: if (print_results_and_ok) {printf ("(float)");} break;
+ case DW_ATE_signed: if (print_results_and_ok) {printf ("(signed)");} break;
+ case DW_ATE_signed_char: if (print_results_and_ok) {printf ("(signed char)");} break;
+ case DW_ATE_unsigned: if (print_results_and_ok) {printf ("(unsigned)");} break;
+ case DW_ATE_unsigned_char: if (print_results_and_ok) {printf ("(unsigned char)");} break;
+ /* DWARF 2.1 value. */
+ case DW_ATE_imaginary_float: if (print_results_and_ok) {printf ("(imaginary float)");} break;
+ default:
+ if (uvalue >= DW_ATE_lo_user
+ && uvalue <= DW_ATE_hi_user)
+ {
+ if (print_results_and_ok) {printf ("(user defined type)");}
+ }
+ else
+ {
+ if (print_results_and_ok) {printf ("(unknown type)");}
+ }
+ break;
+ }
+ break;
+
+ case DW_AT_accessibility:
+ switch (uvalue)
+ {
+ case DW_ACCESS_public: if (print_results_and_ok) printf ("(public)"); break;
+ case DW_ACCESS_protected: if (print_results_and_ok) printf ("(protected)"); break;
+ case DW_ACCESS_private: if (print_results_and_ok) printf ("(private)"); break;
+ default:
+ if (print_results_and_ok) printf ("(unknown accessibility)");
+ break;
+ }
+ break;
+
+ case DW_AT_visibility:
+ switch (uvalue)
+ {
+ case DW_VIS_local: if (print_results_and_ok) printf ("(local)"); break;
+ case DW_VIS_exported: if (print_results_and_ok) printf ("(exported)"); break;
+ case DW_VIS_qualified: if (print_results_and_ok) printf ("(qualified)"); break;
+ default: if (print_results_and_ok) printf ("(unknown visibility)"); break;
+ }
+ break;
+
+ case DW_AT_virtuality:
+ switch (uvalue)
+ {
+ case DW_VIRTUALITY_none: if (print_results_and_ok) printf ("(none)"); break;
+ case DW_VIRTUALITY_virtual: if (print_results_and_ok) printf ("(virtual)"); break;
+ case DW_VIRTUALITY_pure_virtual:if (print_results_and_ok) printf ("(pure_virtual)"); break;
+ default: if (print_results_and_ok) printf ("(unknown virtuality)"); break;
+ }
+ break;
+
+ case DW_AT_identifier_case:
+ switch (uvalue)
+ {
+ case DW_ID_case_sensitive: if (print_results_and_ok) printf ("(case_sensitive)"); break;
+ case DW_ID_up_case: if (print_results_and_ok) printf ("(up_case)"); break;
+ case DW_ID_down_case: if (print_results_and_ok) printf ("(down_case)"); break;
+ case DW_ID_case_insensitive: if (print_results_and_ok) printf ("(case_insensitive)"); break;
+ default: if (print_results_and_ok) printf ("(unknown case)"); break;
+ }
+ break;
+
+ case DW_AT_calling_convention:
+ switch (uvalue)
+ {
+ case DW_CC_normal: if (print_results_and_ok) printf ("(normal)"); break;
+ case DW_CC_program: if (print_results_and_ok) printf ("(program)"); break;
+ case DW_CC_nocall: if (print_results_and_ok) printf ("(nocall)"); break;
+ default:
+ if (uvalue >= DW_CC_lo_user
+ && uvalue <= DW_CC_hi_user)
+ {
+ if (print_results_and_ok) printf ("(user defined)");
+ }
+ else
+ {
+ if (print_results_and_ok) printf ("(unknown convention)");
+ }
+ }
+ break;
+
+ case DW_AT_ordering:
+ switch (uvalue)
+ {
+ case -1: if (print_results_and_ok) printf ("(undefined)"); break;
+ case 0: if (print_results_and_ok) printf ("(row major)"); break;
+ case 1: if (print_results_and_ok) printf ("(column major)"); break;
+ }
+ break;
+
+ // DW_AT_location, DW_AT_data_member_location return data in this form:
+ case DW_AT_location:
+ if (block_start)
+ {
+ long loc_data = 0;
+ if (print_results_and_ok) printf ("(");
+ decode_location_expression (block_start, pointer_size, uvalue, ok, &loc_data);
+ if (print_results_and_ok) printf (")");
+ harvest_location(entry, loc_data);
+ }
+ else if (form == DW_FORM_data4 || form == DW_FORM_data8)
+ {
+ if (print_results_and_ok) printf ("(");
+ if (print_results_and_ok) printf ("location list");
+ if (print_results_and_ok) printf (")");
+ }
+ break;
+
+ case DW_AT_data_member_location:
+ if (block_start)
+ {
+ long loc_data = 0;
+ if (print_results_and_ok) printf ("(");
+ decode_location_expression (block_start, pointer_size, uvalue, ok, &loc_data);
+ if (print_results_and_ok) printf (")");
+ harvest_data_member_location(entry, loc_data);
+ }
+ else if (form == DW_FORM_data4 || form == DW_FORM_data8)
+ {
+ if (print_results_and_ok) printf ("(");
+ if (print_results_and_ok) printf ("location list");
+ if (print_results_and_ok) printf (")");
+ }
+ break;
+
+ case DW_AT_frame_base:
+ case DW_AT_vtable_elem_location:
+ case DW_AT_allocated:
+ case DW_AT_associated:
+ case DW_AT_data_location:
+ case DW_AT_stride:
+ case DW_AT_upper_bound:
+ case DW_AT_lower_bound:
+ if (block_start)
+ {
+ if (print_results_and_ok) printf ("(");
+ decode_location_expression (block_start, pointer_size, uvalue, ok, 0);
+ if (print_results_and_ok) printf (")");
+ }
+ else if (form == DW_FORM_data4 || form == DW_FORM_data8)
+ {
+ if (print_results_and_ok) printf ("(");
+ if (print_results_and_ok) printf ("location list");
+ if (print_results_and_ok) printf (")");
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ return data;
+}
+
+static unsigned char *
+read_and_display_attr (attribute, form, data, cu_offset, pointer_size,
+ offset_size, dwarf_version, entry, ok_to_harvest)
+ unsigned long attribute;
+ unsigned long form;
+ unsigned char *data;
+ unsigned long cu_offset;
+ unsigned long pointer_size;
+ unsigned long offset_size;
+ int dwarf_version;
+ dwarf_entry* entry;
+ char ok_to_harvest;
+{
+ char entry_is_listening = entry_is_listening_for_attribute(entry, attribute);
+
+ // Ok process attributes when ok_to_harvest is on and the entry is listening:
+ char ok_to_process = entry_is_listening && ok_to_harvest;
+ // printf("ENTRY LISTENING: %d\n", (int)entry_is_listening);
+ // if (ok_to_process)
+ if (print_results && ok_to_process)
+ printf (" %-18s:", get_AT_name (attribute));
+ data = read_and_display_attr_value (attribute, form, data, cu_offset,
+ pointer_size, offset_size, dwarf_version,
+ entry, ok_to_process);
+ if (ok_to_process && print_results)
+ printf ("\n");
+ return data;
+}
+
+static int
+display_debug_info (section, start, file)
+ Elf_Internal_Shdr *section;
+ unsigned char *start;
+ FILE *file;
+{
+ unsigned char *end = start + section->sh_size;
+ unsigned char *section_begin = start;
+
+ //PG - Number of relevant entries to record in the dwarf_entry array
+ unsigned long num_relevant_entries = 0;
+ unsigned long idx = 0; // The index in the array, (< dwarf_entry_array_size)
+
+ //PG - Do one dummy run to see how many entries need to be put in the dwarf_entry array
+ // The sole purpose of this run is to get a number into num_relevant_entries
+ Elf_Internal_Shdr *section_dummy = section;
+ unsigned char *start_dummy = start;
+ FILE *file_dummy = file;
+
+ unsigned char *end_dummy = start_dummy + section_dummy->sh_size;
+ unsigned char *section_begin_dummy = start_dummy;
+
+ // printf (_("The section %s contains:\n\n"), SECTION_NAME (section_dummy));
+
+ load_debug_str (file_dummy);
+ load_debug_loc (file_dummy);
+
+ while (start_dummy < end_dummy)
+ {
+ DWARF2_Internal_CompUnit compunit;
+ Elf_Internal_Shdr *relsec;
+ unsigned char *hdrptr;
+ unsigned char *cu_abbrev_offset_ptr;
+ unsigned char *tags;
+ unsigned int i;
+ int level;
+ unsigned long cu_offset;
+ int offset_size;
+ int initial_length_size;
+
+ hdrptr = start_dummy;
+
+ compunit.cu_length = byte_get (hdrptr, 4);
+ hdrptr += 4;
+
+ if (compunit.cu_length == 0xffffffff)
+ {
+ compunit.cu_length = byte_get (hdrptr, 8);
+ hdrptr += 8;
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+
+ compunit.cu_version = byte_get (hdrptr, 2);
+ hdrptr += 2;
+
+ /* Apply addends of RELA relocations. */
+ for (relsec = section_headers;
+ relsec < section_headers + elf_header.e_shnum;
+ ++relsec)
+ {
+ unsigned long nrelas;
+ Elf_Internal_Rela *rela, *rp;
+ Elf_Internal_Shdr *symsec;
+ Elf_Internal_Sym *symtab;
+ Elf_Internal_Sym *sym;
+
+ if (relsec->sh_type != SHT_RELA
+ || SECTION_HEADER (relsec->sh_info) != section_dummy
+ || relsec->sh_size == 0)
+ continue;
+
+ if (!slurp_rela_relocs (file_dummy, relsec->sh_offset, relsec->sh_size,
+ & rela, & nrelas))
+ return 0;
+
+ symsec = SECTION_HEADER (relsec->sh_link);
+ symtab = GET_ELF_SYMBOLS (file_dummy, symsec);
+
+ for (rp = rela; rp < rela + nrelas; ++rp)
+ {
+ unsigned char *loc;
+
+ if (rp->r_offset >= (bfd_vma) (hdrptr - section_begin_dummy)
+ && section_dummy->sh_size > (bfd_vma) offset_size
+ && rp->r_offset <= section_dummy->sh_size - offset_size)
+ loc = section_begin_dummy + rp->r_offset;
+ else
+ continue;
+
+ if (is_32bit_elf)
+ {
+ sym = symtab + ELF32_R_SYM (rp->r_info);
+
+ if (ELF32_R_SYM (rp->r_info) != 0
+ && ELF32_ST_TYPE (sym->st_info) != STT_SECTION)
+ {
+ warn (_("Skipping unexpected symbol type %u\n"),
+ ELF32_ST_TYPE (sym->st_info));
+ continue;
+ }
+ }
+ else
+ {
+ sym = symtab + ELF64_R_SYM (rp->r_info);
+
+ if (ELF64_R_SYM (rp->r_info) != 0
+ && ELF64_ST_TYPE (sym->st_info) != STT_SECTION)
+ {
+ warn (_("Skipping unexpected symbol type %u\n"),
+ ELF64_ST_TYPE (sym->st_info));
+ continue;
+ }
+ }
+
+ byte_put (loc, rp->r_addend, offset_size);
+ }
+
+ free (rela);
+ break;
+ }
+
+ cu_abbrev_offset_ptr = hdrptr;
+ compunit.cu_abbrev_offset = byte_get (hdrptr, offset_size);
+ hdrptr += offset_size;
+
+ compunit.cu_pointer_size = byte_get (hdrptr, 1);
+ hdrptr += 1;
+
+ tags = hdrptr;
+ cu_offset = start_dummy - section_begin_dummy;
+ start_dummy += compunit.cu_length + initial_length_size;
+
+ // printf (_(" Compilation Unit @ %lx:\n"), cu_offset);
+ // printf (_(" Length: %ld\n"), compunit.cu_length);
+ // printf (_(" Version: %d\n"), compunit.cu_version);
+ // printf (_(" Abbrev Offset: %ld\n"), compunit.cu_abbrev_offset);
+ // printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size);
+
+ if (compunit.cu_version != 2 && compunit.cu_version != 3)
+ {
+ warn (_("Only version 2 and 3 DWARF debug information is currently supported.\n"));
+ continue;
+ }
+
+ free_abbrevs ();
+
+ /* Read in the abbrevs used by this compilation unit. */
+ {
+ Elf_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 == elf_header.e_shnum || sec->sh_size == 0)
+ {
+ warn (_("Unable to locate .debug_abbrev section!\n"));
+ return 0;
+ }
+
+ begin = ((unsigned char *)
+ get_data (NULL, file_dummy, sec->sh_offset, sec->sh_size,
+ _("debug_abbrev section data")));
+ if (!begin)
+ return 0;
+
+ process_abbrev_section (begin + compunit.cu_abbrev_offset,
+ begin + sec->sh_size);
+
+ free (begin);
+ }
+
+ level = 0;
+ while (tags < start_dummy)
+ {
+ int bytes_read;
+ unsigned long abbrev_number;
+ abbrev_entry *entry;
+ abbrev_attr *attr;
+ char is_relevant_entry; //PG
+
+ 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 %lu in the abbreviation table\n"),
+ abbrev_number);
+ return 0;
+ }
+
+ //PG - increment relevant entry and make a note of it:
+ is_relevant_entry = tag_is_relevant_entry(entry->tag);
+ if (is_relevant_entry)
+ {
+ // printf ("RELEVANT ENTRY!!!\n");
+ num_relevant_entries++;
+
+ /*
+ printf (_(" <%d><%lx>: Abbrev Number: %lu (%s)\n"),
+ level,
+ (unsigned long) (tags - section_begin_dummy - 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, cu_offset,
+ compunit.cu_pointer_size,
+ offset_size,
+ compunit.cu_version,
+ entry, /* XXX this can't be right */
+ 0); // parse tags but DO NOT harvest data
+
+ if (entry->children)
+ ++level;
+ }
+ }
+
+ free_debug_str ();
+ free_debug_loc ();
+
+#ifdef SHOW_DEBUG
+ printf ("Number of relevant entries: %u\n\n", num_relevant_entries);
+#endif
+ //PG - End dummy run code
+
+ // Construct the global dwarf_entry array
+ // Question - when do we destroy it???
+ dwarf_entry_array_size = num_relevant_entries;
+ initialize_dwarf_entry_array(num_relevant_entries);
+
+ //PG - Begin real code
+#ifdef SHOW_DEBUG
+ printf (_("The section %s contains:\n\n"), SECTION_NAME (section));
+#endif
+
+ load_debug_str (file);
+ load_debug_loc (file);
+
+ while (start < end)
+ {
+ DWARF2_Internal_CompUnit compunit;
+ Elf_Internal_Shdr *relsec;
+ unsigned char *hdrptr;
+ unsigned char *cu_abbrev_offset_ptr;
+ unsigned char *tags;
+ unsigned int i;
+ int level;
+ unsigned long cu_offset;
+ int offset_size;
+ int initial_length_size;
+
+ hdrptr = start;
+
+ compunit.cu_length = byte_get (hdrptr, 4);
+ hdrptr += 4;
+
+ if (compunit.cu_length == 0xffffffff)
+ {
+ compunit.cu_length = byte_get (hdrptr, 8);
+ hdrptr += 8;
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+
+ compunit.cu_version = byte_get (hdrptr, 2);
+ hdrptr += 2;
+
+ /* Apply addends of RELA relocations. */
+ for (relsec = section_headers;
+ relsec < section_headers + elf_header.e_shnum;
+ ++relsec)
+ {
+ unsigned long nrelas;
+ Elf_Internal_Rela *rela, *rp;
+ Elf_Internal_Shdr *symsec;
+ Elf_Internal_Sym *symtab;
+ Elf_Internal_Sym *sym;
+
+ if (relsec->sh_type != SHT_RELA
+ || SECTION_HEADER (relsec->sh_info) != section
+ || relsec->sh_size == 0)
+ continue;
+
+ if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size,
+ & rela, & nrelas))
+ return 0;
+
+ symsec = SECTION_HEADER (relsec->sh_link);
+ symtab = GET_ELF_SYMBOLS (file, symsec);
+
+ for (rp = rela; rp < rela + nrelas; ++rp)
+ {
+ unsigned char *loc;
+
+ if (rp->r_offset >= (bfd_vma) (hdrptr - section_begin)
+ && section->sh_size > (bfd_vma) offset_size
+ && rp->r_offset <= section->sh_size - offset_size)
+ loc = section_begin + rp->r_offset;
+ else
+ continue;
+
+ if (is_32bit_elf)
+ {
+ sym = symtab + ELF32_R_SYM (rp->r_info);
+
+ if (ELF32_R_SYM (rp->r_info) != 0
+ && ELF32_ST_TYPE (sym->st_info) != STT_SECTION)
+ {
+ warn (_("Skipping unexpected symbol type %u\n"),
+ ELF32_ST_TYPE (sym->st_info));
+ continue;
+ }
+ }
+ else
+ {
+ sym = symtab + ELF64_R_SYM (rp->r_info);
+
+ if (ELF64_R_SYM (rp->r_info) != 0
+ && ELF64_ST_TYPE (sym->st_info) != STT_SECTION)
+ {
+ warn (_("Skipping unexpected symbol type %u\n"),
+ ELF64_ST_TYPE (sym->st_info));
+ continue;
+ }
+ }
+
+ byte_put (loc, rp->r_addend, offset_size);
+ }
+
+ free (rela);
+ break;
+ }
+
+ cu_abbrev_offset_ptr = hdrptr;
+ compunit.cu_abbrev_offset = byte_get (hdrptr, offset_size);
+ hdrptr += offset_size;
+
+ compunit.cu_pointer_size = byte_get (hdrptr, 1);
+ hdrptr += 1;
+
+ tags = hdrptr;
+ cu_offset = start - section_begin;
+ start += compunit.cu_length + initial_length_size;
+
+#ifdef SHOW_DEBUG
+ printf (_(" Compilation Unit @ %lx:\n"), cu_offset);
+ printf (_(" Length: %ld\n"), compunit.cu_length);
+ printf (_(" Version: %d\n"), compunit.cu_version);
+ printf (_(" Abbrev Offset: %ld\n"), compunit.cu_abbrev_offset);
+ printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size);
+#endif
+
+ if (compunit.cu_version != 2 && compunit.cu_version != 3)
+ {
+ warn (_("Only version 2 and 3 DWARF debug information is currently supported.\n"));
+ continue;
+ }
+
+ free_abbrevs ();
+
+ /* Read in the abbrevs used by this compilation unit. */
+ {
+ Elf_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 == elf_header.e_shnum || sec->sh_size == 0)
+ {
+ warn (_("Unable to locate .debug_abbrev section!\n"));
+ return 0;
+ }
+
+ begin = ((unsigned char *)
+ get_data (NULL, file, sec->sh_offset, sec->sh_size,
+ _("debug_abbrev section data")));
+ if (!begin)
+ return 0;
+
+ process_abbrev_section (begin + compunit.cu_abbrev_offset,
+ begin + sec->sh_size);
+
+ free (begin);
+ }
+
+ level = 0;
+ while (tags < start)
+ {
+ int bytes_read;
+ unsigned long abbrev_number;
+ abbrev_entry *entry;
+ abbrev_attr *attr;
+ char is_relevant_entry; //PG
+
+ 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 %lu in the abbreviation table\n"),
+ abbrev_number);
+ return 0;
+ }
+
+ is_relevant_entry = tag_is_relevant_entry(entry->tag);
+ if (is_relevant_entry)
+ //PG - This is where all the action takes place
+ // store the info. as a dwarf_entry struct in dwarf_entry_array
+ {
+ unsigned long temp_ID = (unsigned long) (tags - section_begin - bytes_read);
+ unsigned long temp_tag_name = entry->tag;
+
+ // Fill the ID and tag_name fields:
+ dwarf_entry_array[idx].ID = temp_ID;
+ dwarf_entry_array[idx].tag_name = temp_tag_name;
+ dwarf_entry_array[idx].level=level;
+
+ // Initialize the entry_ptr based on tag_name
+ initialize_dwarf_entry_ptr(&dwarf_entry_array[idx]);
+
+ if (print_results)
+ {
+ printf (_(" <%d><%lx>: Abbrev Number: %lu (%s)\n"),
+ level,
+ temp_ID,
+ abbrev_number,
+ get_TAG_name (temp_tag_name));
+ }
+
+ for (attr = entry->first_attr; attr; attr = attr->next)
+ tags = read_and_display_attr (attr->attribute,
+ attr->form,
+ tags, cu_offset,
+ compunit.cu_pointer_size,
+ offset_size,
+ compunit.cu_version,
+ &dwarf_entry_array[idx],
+ 1); // DO harvest
+
+ // printf("Index=%u, ID=%x, tag_name=%s\n",
+ // idx,
+ // dwarf_entry_array[idx].ID,
+ // get_TAG_name(dwarf_entry_array[idx].tag_name));
+
+ if (entry->children)
+ ++level;
+
+ idx++;
+ }
+ else
+ {
+ for (attr = entry->first_attr; attr; attr = attr->next)
+ tags = read_and_display_attr (attr->attribute,
+ attr->form,
+ tags, cu_offset,
+ compunit.cu_pointer_size,
+ offset_size,
+ compunit.cu_version,
+ 0,
+ 0); // DO NOT harvest
+
+ if (entry->children)
+ ++level;
+ }
+
+ }
+ }
+
+ free_debug_str ();
+ free_debug_loc ();
+
+ //PG - Now that all of the entries are in the array, finish initializing
+ // it by creating various links and filling in all dwarf_entry fields
+ finish_dwarf_entry_array_init();
+
+ // print_dwarf_entry_array();
+ // printf ("\n");
+
+ return 1;
+}
+
+static int
+display_debug_aranges (section, start, file)
+ Elf_Internal_Shdr *section;
+ unsigned char *start;
+ FILE *file ATTRIBUTE_UNUSED;
+{
+ unsigned char *end = start + section->sh_size;
+
+ printf (_("The section %s contains:\n\n"), SECTION_NAME (section));
+
+ while (start < end)
+ {
+ unsigned char *hdrptr;
+ DWARF2_Internal_ARange arange;
+ unsigned char *ranges;
+ unsigned long length;
+ unsigned long address;
+ int excess;
+ int offset_size;
+ int initial_length_size;
+
+ hdrptr = start;
+
+ arange.ar_length = byte_get (hdrptr, 4);
+ hdrptr += 4;
+
+ if (arange.ar_length == 0xffffffff)
+ {
+ arange.ar_length = byte_get (hdrptr, 8);
+ hdrptr += 8;
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+
+ arange.ar_version = byte_get (hdrptr, 2);
+ hdrptr += 2;
+
+ arange.ar_info_offset = byte_get (hdrptr, offset_size);
+ hdrptr += offset_size;
+
+ arange.ar_pointer_size = byte_get (hdrptr, 1);
+ hdrptr += 1;
+
+ arange.ar_segment_size = byte_get (hdrptr, 1);
+ hdrptr += 1;
+
+ if (arange.ar_version != 2 && arange.ar_version != 3)
+ {
+ warn (_("Only DWARF 2 and 3 aranges are currently supported.\n"));
+ break;
+ }
+
+ printf (_(" Length: %ld\n"), arange.ar_length);
+ printf (_(" Version: %d\n"), arange.ar_version);
+ printf (_(" Offset into .debug_info: %lx\n"), arange.ar_info_offset);
+ printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size);
+ printf (_(" Segment Size: %d\n"), arange.ar_segment_size);
+
+ printf (_("\n Address Length\n"));
+
+ ranges = hdrptr;
+
+ /* Must pad to an alignment boundary that is twice the pointer size. */
+ excess = (hdrptr - start) % (2 * arange.ar_pointer_size);
+ if (excess)
+ ranges += (2 * arange.ar_pointer_size) - excess;
+
+ for (;;)
+ {
+ address = byte_get (ranges, arange.ar_pointer_size);
+
+ ranges += arange.ar_pointer_size;
+
+ length = byte_get (ranges, arange.ar_pointer_size);
+
+ ranges += arange.ar_pointer_size;
+
+ /* A pair of zeros marks the end of the list. */
+ if (address == 0 && length == 0)
+ break;
+
+ printf (" %8.8lx %lu\n", address, length);
+ }
+
+ start += arange.ar_length + initial_length_size;
+ }
+
+ printf ("\n");
+
+ return 1;
+}
+
+typedef struct Frame_Chunk
+{
+ struct Frame_Chunk *next;
+ unsigned char *chunk_start;
+ int ncols;
+ /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */
+ short int *col_type;
+ int *col_offset;
+ char *augmentation;
+ unsigned int code_factor;
+ int data_factor;
+ unsigned long pc_begin;
+ unsigned long pc_range;
+ int cfa_reg;
+ int cfa_offset;
+ int ra;
+ unsigned char fde_encoding;
+ unsigned char cfa_exp;
+}
+Frame_Chunk;
+
+/* A marker for a col_type that means this column was never referenced
+ in the frame info. */
+#define DW_CFA_unreferenced (-1)
+
+static void frame_need_space PARAMS ((Frame_Chunk *, int));
+static void frame_display_row PARAMS ((Frame_Chunk *, int *, int *));
+static int size_of_encoded_value PARAMS ((int));
+
+static void
+frame_need_space (fc, reg)
+ Frame_Chunk *fc;
+ int reg;
+{
+ int prev = fc->ncols;
+
+ if (reg < fc->ncols)
+ return;
+
+ fc->ncols = reg + 1;
+ fc->col_type = (short int *) xrealloc (fc->col_type,
+ fc->ncols * sizeof (short int));
+ fc->col_offset = (int *) xrealloc (fc->col_offset,
+ fc->ncols * sizeof (int));
+
+ while (prev < fc->ncols)
+ {
+ fc->col_type[prev] = DW_CFA_unreferenced;
+ fc->col_offset[prev] = 0;
+ prev++;
+ }
+}
+
+static void
+frame_display_row (fc, need_col_headers, max_regs)
+ Frame_Chunk *fc;
+ int *need_col_headers;
+ int *max_regs;
+{
+ int r;
+ char tmp[100];
+
+ if (*max_regs < fc->ncols)
+ *max_regs = fc->ncols;
+
+ if (*need_col_headers)
+ {
+ *need_col_headers = 0;
+
+ printf (" LOC CFA ");
+
+ for (r = 0; r < *max_regs; r++)
+ if (fc->col_type[r] != DW_CFA_unreferenced)
+ {
+ if (r == fc->ra)
+ printf ("ra ");
+ else
+ printf ("r%-4d", r);
+ }
+
+ printf ("\n");
+ }
+
+ printf ("%08lx ", fc->pc_begin);
+ if (fc->cfa_exp)
+ strcpy (tmp, "exp");
+ else
+ sprintf (tmp, "r%d%+d", fc->cfa_reg, fc->cfa_offset);
+ printf ("%-8s ", tmp);
+
+ for (r = 0; r < fc->ncols; r++)
+ {
+ if (fc->col_type[r] != DW_CFA_unreferenced)
+ {
+ switch (fc->col_type[r])
+ {
+ case DW_CFA_undefined:
+ strcpy (tmp, "u");
+ break;
+ case DW_CFA_same_value:
+ strcpy (tmp, "s");
+ break;
+ case DW_CFA_offset:
+ sprintf (tmp, "c%+d", fc->col_offset[r]);
+ break;
+ case DW_CFA_register:
+ sprintf (tmp, "r%d", fc->col_offset[r]);
+ break;
+ case DW_CFA_expression:
+ strcpy (tmp, "exp");
+ break;
+ default:
+ strcpy (tmp, "n/a");
+ break;
+ }
+ printf ("%-5s", tmp);
+ }
+ }
+ printf ("\n");
+}
+
+static int
+size_of_encoded_value (encoding)
+ int encoding;
+{
+ switch (encoding & 0x7)
+ {
+ default: /* ??? */
+ case 0: return is_32bit_elf ? 4 : 8;
+ case 2: return 2;
+ case 3: return 4;
+ case 4: return 8;
+ }
+}
+
+#define GET(N) byte_get (start, N); start += N
+#define LEB() read_leb128 (start, & length_return, 0); start += length_return
+#define SLEB() read_leb128 (start, & length_return, 1); start += length_return
+
+static int
+display_debug_frames (section, start, file)
+ Elf_Internal_Shdr *section;
+ unsigned char *start;
+ FILE *file ATTRIBUTE_UNUSED;
+{
+ unsigned char *end = start + section->sh_size;
+ unsigned char *section_start = start;
+ Frame_Chunk *chunks = 0;
+ Frame_Chunk *remembered_state = 0;
+ Frame_Chunk *rs;
+ int is_eh = (strcmp (SECTION_NAME (section), ".eh_frame") == 0);
+ int length_return;
+ int max_regs = 0;
+ int addr_size = is_32bit_elf ? 4 : 8;
+
+ printf (_("The section %s contains:\n"), SECTION_NAME (section));
+
+ while (start < end)
+ {
+ unsigned char *saved_start;
+ unsigned char *block_end;
+ unsigned long length;
+ unsigned long cie_id;
+ Frame_Chunk *fc;
+ Frame_Chunk *cie;
+ int need_col_headers = 1;
+ unsigned char *augmentation_data = NULL;
+ unsigned long augmentation_data_len = 0;
+ int encoded_ptr_size = addr_size;
+ int offset_size;
+ int initial_length_size;
+
+ saved_start = start;
+ length = byte_get (start, 4); start += 4;
+
+ if (length == 0)
+ {
+ printf ("\n%08lx ZERO terminator\n\n",
+ (unsigned long)(saved_start - section_start));
+ return 1;
+ }
+
+ if (length == 0xffffffff)
+ {
+ length = byte_get (start, 8);
+ start += 8;
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+
+ block_end = saved_start + length + initial_length_size;
+ cie_id = byte_get (start, offset_size); start += offset_size;
+
+ if (is_eh ? (cie_id == 0) : (cie_id == DW_CIE_ID))
+ {
+ int version;
+
+ fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
+ memset (fc, 0, sizeof (Frame_Chunk));
+
+ fc->next = chunks;
+ chunks = fc;
+ fc->chunk_start = saved_start;
+ fc->ncols = 0;
+ fc->col_type = (short int *) xmalloc (sizeof (short int));
+ fc->col_offset = (int *) xmalloc (sizeof (int));
+ frame_need_space (fc, max_regs-1);
+
+ version = *start++;
+
+ fc->augmentation = start;
+ start = strchr (start, '\0') + 1;
+
+ if (fc->augmentation[0] == 'z')
+ {
+ fc->code_factor = LEB ();
+ fc->data_factor = SLEB ();
+ fc->ra = byte_get (start, 1); start += 1;
+ augmentation_data_len = LEB ();
+ augmentation_data = start;
+ start += augmentation_data_len;
+ }
+ else if (strcmp (fc->augmentation, "eh") == 0)
+ {
+ start += addr_size;
+ fc->code_factor = LEB ();
+ fc->data_factor = SLEB ();
+ fc->ra = byte_get (start, 1); start += 1;
+ }
+ else
+ {
+ fc->code_factor = LEB ();
+ fc->data_factor = SLEB ();
+ fc->ra = byte_get (start, 1); start += 1;
+ }
+ cie = fc;
+
+ if (do_debug_frames_interp)
+ printf ("\n%08lx %08lx %08lx CIE \"%s\" cf=%d df=%d ra=%d\n",
+ (unsigned long)(saved_start - section_start), length, cie_id,
+ fc->augmentation, fc->code_factor, fc->data_factor,
+ fc->ra);
+ else
+ {
+ printf ("\n%08lx %08lx %08lx CIE\n",
+ (unsigned long)(saved_start - section_start), length, cie_id);
+ printf (" Version: %d\n", version);
+ printf (" Augmentation: \"%s\"\n", fc->augmentation);
+ printf (" Code alignment factor: %u\n", fc->code_factor);
+ printf (" Data alignment factor: %d\n", fc->data_factor);
+ printf (" Return address column: %d\n", fc->ra);
+
+ if (augmentation_data_len)
+ {
+ unsigned long i;
+ printf (" Augmentation data: ");
+ for (i = 0; i < augmentation_data_len; ++i)
+ printf (" %02x", augmentation_data[i]);
+ putchar ('\n');
+ }
+ putchar ('\n');
+ }
+
+ if (augmentation_data_len)
+ {
+ unsigned char *p, *q;
+ p = fc->augmentation + 1;
+ q = augmentation_data;
+
+ while (1)
+ {
+ if (*p == 'L')
+ q++;
+ else if (*p == 'P')
+ q += 1 + size_of_encoded_value (*q);
+ else if (*p == 'R')
+ fc->fde_encoding = *q++;
+ else
+ break;
+ p++;
+ }
+
+ if (fc->fde_encoding)
+ encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
+ }
+
+ frame_need_space (fc, fc->ra);
+ }
+ else
+ {
+ unsigned char *look_for;
+ static Frame_Chunk fde_fc;
+
+ fc = & fde_fc;
+ memset (fc, 0, sizeof (Frame_Chunk));
+
+ look_for = is_eh ? start - 4 - cie_id : section_start + cie_id;
+
+ for (cie = chunks; cie ; cie = cie->next)
+ if (cie->chunk_start == look_for)
+ break;
+
+ if (!cie)
+ {
+ warn ("Invalid CIE pointer %08lx in FDE at %08lx\n",
+ cie_id, saved_start);
+ start = block_end;
+ fc->ncols = 0;
+ fc->col_type = (short int *) xmalloc (sizeof (short int));
+ fc->col_offset = (int *) xmalloc (sizeof (int));
+ frame_need_space (fc, max_regs - 1);
+ cie = fc;
+ fc->augmentation = "";
+ fc->fde_encoding = 0;
+ }
+ else
+ {
+ fc->ncols = cie->ncols;
+ fc->col_type = (short int *) xmalloc (fc->ncols * sizeof (short int));
+ fc->col_offset = (int *) xmalloc (fc->ncols * sizeof (int));
+ memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int));
+ memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int));
+ fc->augmentation = cie->augmentation;
+ fc->code_factor = cie->code_factor;
+ fc->data_factor = cie->data_factor;
+ fc->cfa_reg = cie->cfa_reg;
+ fc->cfa_offset = cie->cfa_offset;
+ fc->ra = cie->ra;
+ frame_need_space (fc, max_regs-1);
+ fc->fde_encoding = cie->fde_encoding;
+ }
+
+ if (fc->fde_encoding)
+ encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
+
+ fc->pc_begin = byte_get (start, encoded_ptr_size);
+ if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel)
+ fc->pc_begin += section->sh_addr + (start - section_start);
+ start += encoded_ptr_size;
+ fc->pc_range = byte_get (start, encoded_ptr_size);
+ start += encoded_ptr_size;
+
+ if (cie->augmentation[0] == 'z')
+ {
+ augmentation_data_len = LEB ();
+ augmentation_data = start;
+ start += augmentation_data_len;
+ }
+
+ printf ("\n%08lx %08lx %08lx FDE cie=%08lx pc=%08lx..%08lx\n",
+ (unsigned long)(saved_start - section_start), length, cie_id,
+ (unsigned long)(cie->chunk_start - section_start),
+ fc->pc_begin, fc->pc_begin + fc->pc_range);
+ if (! do_debug_frames_interp && augmentation_data_len)
+ {
+ unsigned long i;
+ printf (" Augmentation data: ");
+ for (i = 0; i < augmentation_data_len; ++i)
+ printf (" %02x", augmentation_data[i]);
+ putchar ('\n');
+ putchar ('\n');
+ }
+ }
+
+ /* At this point, fc is the current chunk, cie (if any) is set, and we're
+ about to interpret instructions for the chunk. */
+
+ if (do_debug_frames_interp)
+ {
+ /* Start by making a pass over the chunk, allocating storage
+ and taking note of what registers are used. */
+ unsigned char *tmp = start;
+
+ while (start < block_end)
+ {
+ unsigned op, opa;
+ unsigned long reg, temp;
+
+ op = *start++;
+ opa = op & 0x3f;
+ if (op & 0xc0)
+ op &= 0xc0;
+
+ /* Warning: if you add any more cases to this switch, be
+ sure to add them to the corresponding switch below. */
+ switch (op)
+ {
+ case DW_CFA_advance_loc:
+ break;
+ case DW_CFA_offset:
+ LEB ();
+ frame_need_space (fc, opa);
+ fc->col_type[opa] = DW_CFA_undefined;
+ break;
+ case DW_CFA_restore:
+ frame_need_space (fc, opa);
+ fc->col_type[opa] = DW_CFA_undefined;
+ break;
+ case DW_CFA_set_loc:
+ start += encoded_ptr_size;
+ break;
+ case DW_CFA_advance_loc1:
+ start += 1;
+ break;
+ case DW_CFA_advance_loc2:
+ start += 2;
+ break;
+ case DW_CFA_advance_loc4:
+ start += 4;
+ break;
+ case DW_CFA_offset_extended:
+ reg = LEB (); LEB ();
+ frame_need_space (fc, reg);
+ fc->col_type[reg] = DW_CFA_undefined;
+ break;
+ case DW_CFA_restore_extended:
+ reg = LEB ();
+ frame_need_space (fc, reg);
+ fc->col_type[reg] = DW_CFA_undefined;
+ break;
+ case DW_CFA_undefined:
+ reg = LEB ();
+ frame_need_space (fc, reg);
+ fc->col_type[reg] = DW_CFA_undefined;
+ break;
+ case DW_CFA_same_value:
+ reg = LEB ();
+ frame_need_space (fc, reg);
+ fc->col_type[reg] = DW_CFA_undefined;
+ break;
+ case DW_CFA_register:
+ reg = LEB (); LEB ();
+ frame_need_space (fc, reg);
+ fc->col_type[reg] = DW_CFA_undefined;
+ break;
+ case DW_CFA_def_cfa:
+ LEB (); LEB ();
+ break;
+ case DW_CFA_def_cfa_register:
+ LEB ();
+ break;
+ case DW_CFA_def_cfa_offset:
+ LEB ();
+ break;
+ case DW_CFA_def_cfa_expression:
+ temp = LEB ();
+ start += temp;
+ break;
+ case DW_CFA_expression:
+ reg = LEB ();
+ temp = LEB ();
+ start += temp;
+ frame_need_space (fc, reg);
+ fc->col_type[reg] = DW_CFA_undefined;
+ break;
+ case DW_CFA_offset_extended_sf:
+ reg = LEB (); SLEB ();
+ frame_need_space (fc, reg);
+ fc->col_type[reg] = DW_CFA_undefined;
+ break;
+ case DW_CFA_def_cfa_sf:
+ LEB (); SLEB ();
+ break;
+ case DW_CFA_def_cfa_offset_sf:
+ SLEB ();
+ break;
+ case DW_CFA_MIPS_advance_loc8:
+ start += 8;
+ break;
+ case DW_CFA_GNU_args_size:
+ LEB ();
+ break;
+ case DW_CFA_GNU_negative_offset_extended:
+ reg = LEB (); LEB ();
+ frame_need_space (fc, reg);
+ fc->col_type[reg] = DW_CFA_undefined;
+
+ default:
+ break;
+ }
+ }
+ start = tmp;
+ }
+
+ /* Now we know what registers are used, make a second pass over
+ the chunk, this time actually printing out the info. */
+
+ while (start < block_end)
+ {
+ unsigned op, opa;
+ unsigned long ul, reg, roffs;
+ long l, ofs;
+ bfd_vma vma;
+
+ op = *start++;
+ opa = op & 0x3f;
+ if (op & 0xc0)
+ op &= 0xc0;
+
+ /* Warning: if you add any more cases to this switch, be
+ sure to add them to the corresponding switch above. */
+ switch (op)
+ {
+ case DW_CFA_advance_loc:
+ if (do_debug_frames_interp)
+ frame_display_row (fc, &need_col_headers, &max_regs);
+ else
+ printf (" DW_CFA_advance_loc: %d to %08lx\n",
+ opa * fc->code_factor,
+ fc->pc_begin + opa * fc->code_factor);
+ fc->pc_begin += opa * fc->code_factor;
+ break;
+
+ case DW_CFA_offset:
+ roffs = LEB ();
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_offset: r%d at cfa%+ld\n",
+ opa, roffs * fc->data_factor);
+ fc->col_type[opa] = DW_CFA_offset;
+ fc->col_offset[opa] = roffs * fc->data_factor;
+ break;
+
+ case DW_CFA_restore:
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_restore: r%d\n", opa);
+ fc->col_type[opa] = cie->col_type[opa];
+ fc->col_offset[opa] = cie->col_offset[opa];
+ break;
+
+ case DW_CFA_set_loc:
+ vma = byte_get (start, encoded_ptr_size);
+ if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel)
+ vma += section->sh_addr + (start - section_start);
+ start += encoded_ptr_size;
+ if (do_debug_frames_interp)
+ frame_display_row (fc, &need_col_headers, &max_regs);
+ else
+ printf (" DW_CFA_set_loc: %08lx\n", (unsigned long)vma);
+ fc->pc_begin = vma;
+ break;
+
+ case DW_CFA_advance_loc1:
+ ofs = byte_get (start, 1); start += 1;
+ if (do_debug_frames_interp)
+ frame_display_row (fc, &need_col_headers, &max_regs);
+ else
+ printf (" DW_CFA_advance_loc1: %ld to %08lx\n",
+ ofs * fc->code_factor,
+ fc->pc_begin + ofs * fc->code_factor);
+ fc->pc_begin += ofs * fc->code_factor;
+ break;
+
+ case DW_CFA_advance_loc2:
+ ofs = byte_get (start, 2); start += 2;
+ if (do_debug_frames_interp)
+ frame_display_row (fc, &need_col_headers, &max_regs);
+ else
+ printf (" DW_CFA_advance_loc2: %ld to %08lx\n",
+ ofs * fc->code_factor,
+ fc->pc_begin + ofs * fc->code_factor);
+ fc->pc_begin += ofs * fc->code_factor;
+ break;
+
+ case DW_CFA_advance_loc4:
+ ofs = byte_get (start, 4); start += 4;
+ if (do_debug_frames_interp)
+ frame_display_row (fc, &need_col_headers, &max_regs);
+ else
+ printf (" DW_CFA_advance_loc4: %ld to %08lx\n",
+ ofs * fc->code_factor,
+ fc->pc_begin + ofs * fc->code_factor);
+ fc->pc_begin += ofs * fc->code_factor;
+ break;
+
+ case DW_CFA_offset_extended:
+ reg = LEB ();
+ roffs = LEB ();
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_offset_extended: r%ld at cfa%+ld\n",
+ reg, roffs * fc->data_factor);
+ fc->col_type[reg] = DW_CFA_offset;
+ fc->col_offset[reg] = roffs * fc->data_factor;
+ break;
+
+ case DW_CFA_restore_extended:
+ reg = LEB ();
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_restore_extended: r%ld\n", reg);
+ fc->col_type[reg] = cie->col_type[reg];
+ fc->col_offset[reg] = cie->col_offset[reg];
+ break;
+
+ case DW_CFA_undefined:
+ reg = LEB ();
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_undefined: r%ld\n", reg);
+ fc->col_type[reg] = DW_CFA_undefined;
+ fc->col_offset[reg] = 0;
+ break;
+
+ case DW_CFA_same_value:
+ reg = LEB ();
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_same_value: r%ld\n", reg);
+ fc->col_type[reg] = DW_CFA_same_value;
+ fc->col_offset[reg] = 0;
+ break;
+
+ case DW_CFA_register:
+ reg = LEB ();
+ roffs = LEB ();
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_register: r%ld\n", reg);
+ fc->col_type[reg] = DW_CFA_register;
+ fc->col_offset[reg] = roffs;
+ break;
+
+ case DW_CFA_remember_state:
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_remember_state\n");
+ rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
+ rs->ncols = fc->ncols;
+ rs->col_type = (short int *) xmalloc (rs->ncols * sizeof (short int));
+ rs->col_offset = (int *) xmalloc (rs->ncols * sizeof (int));
+ memcpy (rs->col_type, fc->col_type, rs->ncols);
+ memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (int));
+ rs->next = remembered_state;
+ remembered_state = rs;
+ break;
+
+ case DW_CFA_restore_state:
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_restore_state\n");
+ rs = remembered_state;
+ remembered_state = rs->next;
+ frame_need_space (fc, rs->ncols-1);
+ memcpy (fc->col_type, rs->col_type, rs->ncols);
+ memcpy (fc->col_offset, rs->col_offset, rs->ncols * sizeof (int));
+ free (rs->col_type);
+ free (rs->col_offset);
+ free (rs);
+ break;
+
+ case DW_CFA_def_cfa:
+ fc->cfa_reg = LEB ();
+ fc->cfa_offset = LEB ();
+ fc->cfa_exp = 0;
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_def_cfa: r%d ofs %d\n",
+ fc->cfa_reg, fc->cfa_offset);
+ break;
+
+ case DW_CFA_def_cfa_register:
+ fc->cfa_reg = LEB ();
+ fc->cfa_exp = 0;
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_def_cfa_reg: r%d\n", fc->cfa_reg);
+ break;
+
+ case DW_CFA_def_cfa_offset:
+ fc->cfa_offset = LEB ();
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_def_cfa_offset: %d\n", fc->cfa_offset);
+ break;
+
+ case DW_CFA_nop:
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_nop\n");
+ break;
+
+ case DW_CFA_def_cfa_expression:
+ ul = LEB ();
+ if (! do_debug_frames_interp)
+ {
+ printf (" DW_CFA_def_cfa_expression (");
+ decode_location_expression (start, addr_size, ul, 1, 0);
+ printf (")\n");
+ }
+ fc->cfa_exp = 1;
+ start += ul;
+ break;
+
+ case DW_CFA_expression:
+ reg = LEB ();
+ ul = LEB ();
+ if (! do_debug_frames_interp)
+ {
+ printf (" DW_CFA_expression: r%ld (", reg);
+ decode_location_expression (start, addr_size, ul, 1, 0);
+ printf (")\n");
+ }
+ fc->col_type[reg] = DW_CFA_expression;
+ start += ul;
+ break;
+
+ case DW_CFA_offset_extended_sf:
+ reg = LEB ();
+ l = SLEB ();
+ frame_need_space (fc, reg);
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_offset_extended_sf: r%ld at cfa%+ld\n",
+ reg, l * fc->data_factor);
+ fc->col_type[reg] = DW_CFA_offset;
+ fc->col_offset[reg] = l * fc->data_factor;
+ break;
+
+ case DW_CFA_def_cfa_sf:
+ fc->cfa_reg = LEB ();
+ fc->cfa_offset = SLEB ();
+ fc->cfa_exp = 0;
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_def_cfa_sf: r%d ofs %d\n",
+ fc->cfa_reg, fc->cfa_offset);
+ break;
+
+ case DW_CFA_def_cfa_offset_sf:
+ fc->cfa_offset = SLEB ();
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_def_cfa_offset_sf: %d\n", fc->cfa_offset);
+ break;
+
+ case DW_CFA_MIPS_advance_loc8:
+ ofs = byte_get (start, 8); start += 8;
+ if (do_debug_frames_interp)
+ frame_display_row (fc, &need_col_headers, &max_regs);
+ else
+ printf (" DW_CFA_MIPS_advance_loc8: %ld to %08lx\n",
+ ofs * fc->code_factor,
+ fc->pc_begin + ofs * fc->code_factor);
+ fc->pc_begin += ofs * fc->code_factor;
+ break;
+
+ case DW_CFA_GNU_window_save:
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_GNU_window_save\n");
+ break;
+
+ case DW_CFA_GNU_args_size:
+ ul = LEB ();
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_GNU_args_size: %ld\n", ul);
+ break;
+
+ case DW_CFA_GNU_negative_offset_extended:
+ reg = LEB ();
+ l = - LEB ();
+ frame_need_space (fc, reg);
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_GNU_negative_offset_extended: r%ld at cfa%+ld\n",
+ reg, l * fc->data_factor);
+ fc->col_type[reg] = DW_CFA_offset;
+ fc->col_offset[reg] = l * fc->data_factor;
+ break;
+
+ default:
+ fprintf (stderr, "unsupported or unknown DW_CFA_%d\n", op);
+ start = block_end;
+ }
+ }
+
+ if (do_debug_frames_interp)
+ frame_display_row (fc, &need_col_headers, &max_regs);
+
+ start = block_end;
+ }
+
+ printf ("\n");
+
+ return 1;
+}
+
+#undef GET
+#undef LEB
+#undef SLEB
+
+static int
+display_debug_not_supported (section, start, file)
+ Elf_Internal_Shdr *section;
+ unsigned char *start ATTRIBUTE_UNUSED;
+ FILE *file ATTRIBUTE_UNUSED;
+{
+ printf (_("Displaying the debug contents of section %s is not yet supported.\n"),
+ SECTION_NAME (section));
+
+ return 1;
+}
+
+/* Pre-scan the .debug_info section to record the size of address.
+ When dumping the .debug_line, we use that size information, assuming
+ that all compilation units have the same address size. */
+static int
+prescan_debug_info (section, start, file)
+ Elf_Internal_Shdr *section ATTRIBUTE_UNUSED;
+ unsigned char *start;
+ FILE *file ATTRIBUTE_UNUSED;
+{
+ unsigned long length;
+
+ /* Read the first 4 bytes. For a 32-bit DWARF section, this will
+ be the length. For a 64-bit DWARF section, it'll be the escape
+ code 0xffffffff followed by an 8 byte length. For the purposes
+ of this prescan, we don't care about the actual length, but the
+ presence of the escape bytes does affect the location of the byte
+ which describes the address size. */
+ length = byte_get (start, 4);
+
+ if (length == 0xffffffff)
+ {
+ /* For 64-bit DWARF, the 1-byte address_size field is 22 bytes
+ from the start of the section. This is computed as follows:
+
+ unit_length: 12 bytes
+ version: 2 bytes
+ debug_abbrev_offset: 8 bytes
+ -----------------------------
+ Total: 22 bytes */
+
+ debug_line_pointer_size = byte_get (start + 22, 1);
+ }
+ else
+ {
+ /* For 32-bit DWARF, the 1-byte address_size field is 10 bytes from
+ the start of the section:
+ unit_length: 4 bytes
+ version: 2 bytes
+ debug_abbrev_offset: 4 bytes
+ -----------------------------
+ Total: 10 bytes */
+
+ debug_line_pointer_size = byte_get (start + 10, 1);
+ }
+ return 0;
+}
+
+ /* A structure containing the name of a debug section and a pointer
+ to a function that can decode it. The third field is a prescan
+ function to be run over the section before displaying any of the
+ sections. */
+struct
+{
+ const char *const name;
+ int (*display) PARAMS ((Elf_Internal_Shdr *, unsigned char *, FILE *));
+ int (*prescan) PARAMS ((Elf_Internal_Shdr *, unsigned char *, FILE *));
+}
+debug_displays[] =
+{
+ { ".debug_abbrev", display_debug_abbrev, NULL },
+ { ".debug_aranges", display_debug_aranges, NULL },
+ { ".debug_frame", display_debug_frames, NULL },
+ { ".debug_info", display_debug_info, prescan_debug_info },
+ { ".debug_line", display_debug_lines, NULL },
+ { ".debug_pubnames", display_debug_pubnames, NULL },
+ { ".eh_frame", display_debug_frames, NULL },
+ { ".debug_macinfo", display_debug_macinfo, NULL },
+ { ".debug_str", display_debug_str, NULL },
+ { ".debug_loc", display_debug_loc, NULL },
+ { ".debug_pubtypes", display_debug_not_supported, NULL },
+ { ".debug_ranges", display_debug_not_supported, NULL },
+ { ".debug_static_func", display_debug_not_supported, NULL },
+ { ".debug_static_vars", display_debug_not_supported, NULL },
+ { ".debug_types", display_debug_not_supported, NULL },
+ { ".debug_weaknames", display_debug_not_supported, NULL }
+};
+
+static int
+display_debug_section (section, file)
+ Elf_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;
+ }
+
+ start = (unsigned char *) get_data (NULL, file, section->sh_offset, length,
+ _("debug section data"));
+ if (!start)
+ return 0;
+
+ /* See if we know how to display the contents of this section. */
+ if (strncmp (name, ".gnu.linkonce.wi.", 17) == 0)
+ name = ".debug_info";
+
+ 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 (_("Unrecognized debug section: %s\n"), name);
+
+ free (start);
+
+ /* If we loaded in the abbrev section at some point,
+ we must release it here. */
+ free_abbrevs ();
+
+ return 1;
+}
+
+static int
+process_section_contents (file)
+ FILE *file;
+{
+ Elf_Internal_Shdr *section;
+ unsigned int i;
+
+ if (! do_dump)
+ return 1;
+
+ // printf("process_section_contents() - before 1st for loop\n");
+
+ /* Pre-scan the debug sections to find some debug information not
+ present in some of them. For the .debug_line, we must find out the
+ size of address (specified in .debug_info and .debug_aranges). */
+ for (i = 0, section = section_headers;
+ i < elf_header.e_shnum && i < num_dump_sects;
+ i++, section++)
+ {
+ char *name = SECTION_NAME (section);
+ int j;
+
+ if (section->sh_size == 0)
+ continue;
+
+ /* See if there is some pre-scan operation for this section. */
+ for (j = NUM_ELEM (debug_displays); j--;)
+ if (strcmp (debug_displays[j].name, name) == 0)
+ {
+ if (debug_displays[j].prescan != NULL)
+ {
+ bfd_size_type length;
+ unsigned char *start;
+
+ length = section->sh_size;
+ start = ((unsigned char *)
+ get_data (NULL, file, section->sh_offset, length,
+ _("debug section data")));
+ if (!start)
+ return 0;
+
+ debug_displays[j].prescan (section, start, file);
+ free (start);
+ }
+
+ break;
+ }
+ }
+
+ // printf("process_section_contents() - before 2nd for loop\n");
+
+ 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);
+ }
+ }
+
+ // printf("process_section_contents() - after 2nd for loop\n");
+
+ if (i < num_dump_sects)
+ {
+ warn (_("Some sections were not dumped because they do not exist!\n"));
+ }
+
+ return 1;
+}
+
+static int
+process_mips_specific (file)
+ FILE *file;
+{
+ /* We have a lot of special sections. Thanks SGI! */
+ if (dynamic_segment == NULL)
+ /* No information available. */
+ return 0;
+ return 1;
+}
+
+static int
+process_gnu_liblist (file)
+ FILE *file;
+{
+ return 1;
+}
+
+static const char *
+get_note_type (e_type)
+ unsigned e_type;
+{
+ static char buff[64];
+
+ switch (e_type)
+ {
+ case NT_PRSTATUS: return _("NT_PRSTATUS (prstatus structure)");
+ case NT_FPREGSET: return _("NT_FPREGSET (floating point registers)");
+ case NT_PRPSINFO: return _("NT_PRPSINFO (prpsinfo structure)");
+ case NT_TASKSTRUCT: return _("NT_TASKSTRUCT (task structure)");
+ case NT_PRXFPREG: return _("NT_PRXFPREG (user_xfpregs structure)");
+ case NT_PSTATUS: return _("NT_PSTATUS (pstatus structure)");
+ case NT_FPREGS: return _("NT_FPREGS (floating point registers)");
+ case NT_PSINFO: return _("NT_PSINFO (psinfo structure)");
+ case NT_LWPSTATUS: return _("NT_LWPSTATUS (lwpstatus_t structure)");
+ case NT_LWPSINFO: return _("NT_LWPSINFO (lwpsinfo_t structure)");
+ case NT_WIN32PSTATUS: return _("NT_WIN32PSTATUS (win32_pstatus structure)");
+ default:
+ sprintf (buff, _("Unknown note type: (0x%08x)"), e_type);
+ return buff;
+ }
+}
+
+static const char *
+get_netbsd_elfcore_note_type (e_type)
+ unsigned e_type;
+{
+ static char buff[64];
+
+ if (e_type == NT_NETBSDCORE_PROCINFO)
+ {
+ /* NetBSD core "procinfo" structure. */
+ return _("NetBSD procinfo structure");
+ }
+
+ /* As of Jan 2002 there are no other machine-independent notes
+ defined for NetBSD core files. If the note type is less
+ than the start of the machine-dependent note types, we don't
+ understand it. */
+
+ if (e_type < NT_NETBSDCORE_FIRSTMACH)
+ {
+ sprintf (buff, _("Unknown note type: (0x%08x)"), e_type);
+ return buff;
+ }
+
+ switch (elf_header.e_machine)
+ {
+ /* On the Alpha, SPARC (32-bit and 64-bit), PT_GETREGS == mach+0
+ and PT_GETFPREGS == mach+2. */
+
+ case EM_OLD_ALPHA:
+ case EM_ALPHA:
+ case EM_SPARC:
+ case EM_SPARC32PLUS:
+ case EM_SPARCV9:
+ switch (e_type)
+ {
+ case NT_NETBSDCORE_FIRSTMACH+0:
+ return _("PT_GETREGS (reg structure)");
+ case NT_NETBSDCORE_FIRSTMACH+2:
+ return _("PT_GETFPREGS (fpreg structure)");
+ default:
+ break;
+ }
+ break;
+
+ /* On all other arch's, PT_GETREGS == mach+1 and
+ PT_GETFPREGS == mach+3. */
+ default:
+ switch (e_type)
+ {
+ case NT_NETBSDCORE_FIRSTMACH+1:
+ return _("PT_GETREGS (reg structure)");
+ case NT_NETBSDCORE_FIRSTMACH+3:
+ return _("PT_GETFPREGS (fpreg structure)");
+ default:
+ break;
+ }
+ }
+
+ sprintf (buff, _("PT_FIRSTMACH+%d"), e_type - NT_NETBSDCORE_FIRSTMACH);
+ return buff;
+}
+
+/* Note that by the ELF standard, the name field is already null byte
+ terminated, and namesz includes the terminating null byte.
+ I.E. the value of namesz for the name "FSF" is 4.
+
+ If the value of namesz is zero, there is no name present. */
+static int
+process_note (pnote)
+ Elf_Internal_Note *pnote;
+{
+ const char *nt;
+
+ if (pnote->namesz == 0)
+ {
+ /* If there is no note name, then use the default set of
+ note type strings. */
+ nt = get_note_type (pnote->type);
+ }
+ else if (strncmp (pnote->namedata, "NetBSD-CORE", 11) == 0)
+ {
+ /* NetBSD-specific core file notes. */
+ nt = get_netbsd_elfcore_note_type (pnote->type);
+ }
+ else
+ {
+ /* Don't recognize this note name; just use the default set of
+ note type strings. */
+ nt = get_note_type (pnote->type);
+ }
+
+ printf (" %s\t\t0x%08lx\t%s\n",
+ pnote->namesz ? pnote->namedata : "(NONE)",
+ pnote->descsz, nt);
+ return 1;
+}
+
+
+static int
+process_corefile_note_segment (file, offset, length)
+ FILE *file;
+ bfd_vma offset;
+ bfd_vma length;
+{
+ Elf_External_Note *pnotes;
+ Elf_External_Note *external;
+ int res = 1;
+
+ if (length <= 0)
+ return 0;
+
+ pnotes = (Elf_External_Note *) get_data (NULL, file, offset, length,
+ _("notes"));
+ if (!pnotes)
+ return 0;
+
+ external = pnotes;
+
+ printf (_("\nNotes at offset 0x%08lx with length 0x%08lx:\n"),
+ (unsigned long) offset, (unsigned long) length);
+ printf (_(" Owner\t\tData size\tDescription\n"));
+
+ while (external < (Elf_External_Note *)((char *) pnotes + length))
+ {
+ Elf_External_Note *next;
+ Elf_Internal_Note inote;
+ char *temp = NULL;
+
+ inote.type = BYTE_GET (external->type);
+ inote.namesz = BYTE_GET (external->namesz);
+ inote.namedata = external->name;
+ inote.descsz = BYTE_GET (external->descsz);
+ inote.descdata = inote.namedata + align_power (inote.namesz, 2);
+ inote.descpos = offset + (inote.descdata - (char *) pnotes);
+
+ next = (Elf_External_Note *)(inote.descdata + align_power (inote.descsz, 2));
+
+ if (((char *) next) > (((char *) pnotes) + length))
+ {
+ warn (_("corrupt note found at offset %x into core notes\n"),
+ ((char *) external) - ((char *) pnotes));
+ warn (_(" type: %x, namesize: %08lx, descsize: %08lx\n"),
+ inote.type, inote.namesz, inote.descsz);
+ break;
+ }
+
+ external = next;
+
+ /* Verify that name is null terminated. It appears that at least
+ one version of Linux (RedHat 6.0) generates corefiles that don't
+ comply with the ELF spec by failing to include the null byte in
+ namesz. */
+ if (inote.namedata[inote.namesz] != '\0')
+ {
+ temp = malloc (inote.namesz + 1);
+
+ if (temp == NULL)
+ {
+ error (_("Out of memory\n"));
+ res = 0;
+ break;
+ }
+
+ strncpy (temp, inote.namedata, inote.namesz);
+ temp[inote.namesz] = 0;
+
+ /* warn (_("'%s' NOTE name not properly null terminated\n"), temp); */
+ inote.namedata = temp;
+ }
+
+ res &= process_note (& inote);
+
+ if (temp != NULL)
+ {
+ free (temp);
+ temp = NULL;
+ }
+ }
+
+ free (pnotes);
+
+ return res;
+}
+
+static int
+process_corefile_note_segments (file)
+ FILE *file;
+{
+ Elf_Internal_Phdr *program_headers;
+ Elf_Internal_Phdr *segment;
+ unsigned int i;
+ int res = 1;
+
+ program_headers = (Elf_Internal_Phdr *) malloc
+ (elf_header.e_phnum * sizeof (Elf_Internal_Phdr));
+
+ if (program_headers == NULL)
+ {
+ error (_("Out of memory\n"));
+ return 0;
+ }
+
+ if (is_32bit_elf)
+ i = get_32bit_program_headers (file, program_headers);
+ else
+ i = get_64bit_program_headers (file, program_headers);
+
+ if (i == 0)
+ {
+ free (program_headers);
+ return 0;
+ }
+
+ for (i = 0, segment = program_headers;
+ i < elf_header.e_phnum;
+ i++, segment++)
+ {
+ if (segment->p_type == PT_NOTE)
+ res &= process_corefile_note_segment (file,
+ (bfd_vma) segment->p_offset,
+ (bfd_vma) segment->p_filesz);
+ }
+
+ free (program_headers);
+
+ return res;
+}
+
+static int
+process_corefile_contents (file)
+ FILE *file;
+{
+ /* If we have not been asked to display the notes then do nothing. */
+ if (! do_notes)
+ return 1;
+
+ /* If file is not a core file then exit. */
+ if (elf_header.e_type != ET_CORE)
+ return 1;
+
+ /* No program headers means no NOTE segment. */
+ if (elf_header.e_phnum == 0)
+ {
+ printf (_("No note segments present in the core file.\n"));
+ return 1;
+ }
+
+ return process_corefile_note_segments (file);
+}
+
+static int
+process_arch_specific (file)
+ FILE *file;
+{
+ if (! do_arch)
+ return 1;
+
+ switch (elf_header.e_machine)
+ {
+ case EM_MIPS:
+ case EM_MIPS_RS3_LE:
+ 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;
+ byte_put = byte_put_little_endian;
+ break;
+ case ELFDATA2MSB:
+ byte_get = byte_get_big_endian;
+ byte_put = byte_put_big_endian;
+ break;
+ }
+
+ /* For now we only support 32 bit and 64 bit ELF files. */
+ is_32bit_elf = (elf_header.e_ident[EI_CLASS] != ELFCLASS64);
+
+ /* Read in the rest of the header. */
+ if (is_32bit_elf)
+ {
+ Elf32_External_Ehdr ehdr32;
+
+ if (fread (ehdr32.e_type, sizeof (ehdr32) - EI_NIDENT, 1, file) != 1)
+ return 0;
+
+ elf_header.e_type = BYTE_GET (ehdr32.e_type);
+ elf_header.e_machine = BYTE_GET (ehdr32.e_machine);
+ elf_header.e_version = BYTE_GET (ehdr32.e_version);
+ elf_header.e_entry = BYTE_GET (ehdr32.e_entry);
+ elf_header.e_phoff = BYTE_GET (ehdr32.e_phoff);
+ elf_header.e_shoff = BYTE_GET (ehdr32.e_shoff);
+ elf_header.e_flags = BYTE_GET (ehdr32.e_flags);
+ elf_header.e_ehsize = BYTE_GET (ehdr32.e_ehsize);
+ elf_header.e_phentsize = BYTE_GET (ehdr32.e_phentsize);
+ elf_header.e_phnum = BYTE_GET (ehdr32.e_phnum);
+ elf_header.e_shentsize = BYTE_GET (ehdr32.e_shentsize);
+ elf_header.e_shnum = BYTE_GET (ehdr32.e_shnum);
+ elf_header.e_shstrndx = BYTE_GET (ehdr32.e_shstrndx);
+ }
+ else
+ {
+ Elf64_External_Ehdr ehdr64;
+
+ /* If we have been compiled with sizeof (bfd_vma) == 4, then
+ we will not be able to cope with the 64bit data found in
+ 64 ELF files. Detect this now and abort before we start
+ overwritting things. */
+ if (sizeof (bfd_vma) < 8)
+ {
+ error (_("This instance of readelf has been built without support for a\n\
+64 bit data type and so it cannot read 64 bit ELF files.\n"));
+ return 0;
+ }
+
+ if (fread (ehdr64.e_type, sizeof (ehdr64) - EI_NIDENT, 1, file) != 1)
+ return 0;
+
+ elf_header.e_type = BYTE_GET (ehdr64.e_type);
+ elf_header.e_machine = BYTE_GET (ehdr64.e_machine);
+ elf_header.e_version = BYTE_GET (ehdr64.e_version);
+ elf_header.e_entry = BYTE_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);
+ }
+
+ if (elf_header.e_shoff)
+ {
+ /* There may be some extensions in the first section header. Don't
+ bomb if we can't read it. */
+ if (is_32bit_elf)
+ get_32bit_section_headers (file, 1);
+ else
+ get_64bit_section_headers (file, 1);
+ }
+
+ return 1;
+}
+
+static int
+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 1;
+ }
+
+ file = fopen (file_name, "rb");
+ if (file == NULL)
+ {
+ error (_("Input file %s not found.\n"), file_name);
+ return 1;
+ }
+
+ if (! get_file_header (file))
+ {
+ error (_("%s: Failed to read file header\n"), file_name);
+ fclose (file);
+ return 1;
+ }
+
+ /* 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. */
+#ifdef SHOW_DEBUG
+ if (show_name)
+ printf (_("\nFile: %s\n"), file_name);
+#endif
+
+ // printf("before process_file_header()\n"); //PG
+
+ if (! process_file_header ())
+ {
+ printf("failed process_file_header()\n"); //PG
+ fclose (file);
+ return 1;
+ }
+
+ // printf("before process_section_headers()\n"); //PG
+
+ if (! process_section_headers (file))
+ {
+ printf("failed process_section_headers()\n"); //PG
+ /* Without loaded section headers we
+ cannot process lots of things. */
+ do_unwind = do_version = do_dump = do_arch = 0;
+
+ if (! do_using_dynamic)
+ do_syms = do_reloc = 0;
+ }
+
+ // printf("before process_program_headers()\n"); //PG
+
+ if (process_program_headers (file))
+ process_dynamic_segment (file);
+ // printf("before process_relocs()\n"); //PG
+ process_relocs (file);
+ // printf("before process_unwind()\n"); //PG
+ process_unwind (file);
+ // printf("before process_symbol_table()\n"); //PG
+ process_symbol_table (file);
+ // printf("before process_syminfo()\n"); //PG
+ process_syminfo (file);
+ // printf("before process_version_sections()\n"); //PG
+ process_version_sections (file);
+ // printf("before process_section_contents()\n"); //PG
+ process_section_contents (file);
+ // printf("before process_corefile_contents()\n"); //PG
+ process_corefile_contents (file);
+ // printf("before process_gnu_liblist()\n"); //PG
+ process_gnu_liblist (file);
+ // printf("before process_arch_specific()\n"); //PG
+ process_arch_specific (file);
+
+ fclose (file);
+
+ if (section_headers)
+ {
+ free (section_headers);
+ section_headers = NULL;
+ }
+
+ if (string_table)
+ {
+ free (string_table);
+ string_table = NULL;
+ string_table_length = 0;
+ }
+
+ if (dynamic_strings)
+ {
+ free (dynamic_strings);
+ dynamic_strings = NULL;
+ }
+
+ if (dynamic_symbols)
+ {
+ free (dynamic_symbols);
+ dynamic_symbols = NULL;
+ num_dynamic_syms = 0;
+ }
+
+ if (dynamic_syminfo)
+ {
+ free (dynamic_syminfo);
+ dynamic_syminfo = NULL;
+ }
+
+ return 0;
+}
+
+#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
+
+//PG insert a fake main which is a hacked copy that can be called
+// with a filename argument
+
+int process_elf_binary_data(char* filename)
+{
+ int err;
+ char *cmdline_dump_sects = NULL;
+
+ char **hack_argv = 0;
+ int argc = 3;
+
+ static char default_exec_name[10] = "./readelf"; // dummy!!! (why size 10 instead of 9?)
+ static char default_option[17] = "--debug-dump=info";
+
+ // int i;
+ // for (i = 0; i < argc; i++)
+ // printf("argv[%d] = %s\n", i, argv[i]);
+
+ // printf("\n-------------------------------------\n\n");
+
+/* //PG
+argument format - argv[0] is executable, argv[1] is the option that we
+ want to hijack "--debug-dump=info", and argv[2] is the filename
+argv[0] = ./readelf (executable name)
+argv[1] = --debug-dump=info (desired option)
+argv[2] = ../tests/TypesTest/TypesTest (filename)
+
+Here is my hack. Instead of requiring the user to pass in --debug-dump=info,
+we just make the user pass in the filename as the only argument and then
+apply --debug-dump=info by default
+
+Let's create our own hack_argv array:
+
+hack_argv[0] = "./readelf"
+hack_argv[1] = "--debug-dump=info"
+hack_argv[2] = filename
+*/
+
+ // Allocate three character pointer
+ hack_argv = malloc(3 * sizeof(*hack_argv));
+
+ hack_argv[0] = default_exec_name;
+ hack_argv[1] = default_option;
+ hack_argv[2] = filename;
+
+#ifdef SHOW_DEBUG
+ printf("filename: 0x%x\n", filename);
+ for (i = 0; i < argc; i++)
+ printf("hack_argv[%d] = %s\n", i, hack_argv[i]);
+
+ printf("\n-------------------------------------\n\n");
+#endif
+
+ // PG - now hijack parse_args and pass in my hacked argv
+ // parse_args (argc, argv);
+ // printf("before parse_args(%d, 0x%x)\n", argc, hack_argv);
+ parse_args (argc, hack_argv);
+ // printf("after parse_args\n");
+ // printf("optind = %d\n", optind);
+
+ // if (optind < (argc - 1))
+ show_name = 1;
+
+ /* When processing more than one file remember the dump requests
+ issued on command line to reset them after each file. */
+
+ /*
+ if (optind + 1 < argc && dump_sects != NULL)
+ {
+ cmdline_dump_sects = malloc (num_dump_sects);
+ if (cmdline_dump_sects == NULL)
+ error (_("Out of memory allocating dump request table."));
+ else
+ {
+ memcpy (cmdline_dump_sects, dump_sects, num_dump_sects);
+ num_cmdline_dump_sects = num_dump_sects;
+ }
+ }
+ */
+
+ err = 0;
+ // while (optind < argc)
+ // {
+ // err |= process_file (hack_argv[optind++]); //PG - replace argv with hack_argv
+ //
+ // /* Reset dump requests. */
+ // if (optind < argc && dump_sects != NULL)
+ // {
+ // num_dump_sects = num_cmdline_dump_sects;
+ // if (num_cmdline_dump_sects > 0)
+ // memcpy (dump_sects, cmdline_dump_sects, num_cmdline_dump_sects);
+ // }
+ // }
+
+ err = process_file (hack_argv[argc - 1]); //PG - replace argv with hack_argv
+
+ // printf("AFTER process_file(0x%x)\n", hack_argv[argc-1]);
+
+ if (dump_sects != NULL)
+ free (dump_sects);
+ if (cmdline_dump_sects != NULL)
+ free (cmdline_dump_sects);
+
+ return err;
+}
+
+// End //PG
+/*
+int main PARAMS ((int, char **));
+
+int
+main (argc, argv)
+ int argc;
+ char **argv;
+{
+ int status = process_elf_binary_data(argv[argc-1]); // Past last argument, which should be target filename
+ return status;
+}
+*/
projects / repair.git / commitdiff