#include <stdio.h>
#include <time.h>
+#if __GNUC__ >= 2
/* Define BFD64 here, even if our default architecture is 32 bit ELF
- as this will allow us to read in and parse 64bit and 32bit ELF files. */
+ as this will allow us to read in and parse 64bit and 32bit ELF files.
+ Only do this if we belive that the compiler can support a 64 bit
+ data type. For now we only rely on GCC being able to do this. */
#define BFD64
+#endif
+
#include "bfd.h"
#include "elf/common.h"
#include "elf/fr30.h"
#include "elf/mcore.h"
#include "elf/i960.h"
+#include "elf/pj.h"
#include "bucomm.h"
#include "getopt.h"
int do_debug_lines;
int do_debug_pubnames;
int do_debug_aranges;
+int do_arch;
+int do_notes;
int is_32bit_elf;
/* A dynamic array of flags indicating which sections require dumping. */
static bfd_vma byte_get_little_endian PARAMS ((unsigned char *, int));
static bfd_vma byte_get_big_endian PARAMS ((unsigned char *, int));
static const char * get_mips_dynamic_type PARAMS ((unsigned long));
+static const char * get_sparc64_dynamic_type PARAMS ((unsigned long));
static const char * get_dynamic_type PARAMS ((unsigned long));
static int dump_relocations PARAMS ((FILE *, unsigned long, unsigned long, Elf_Internal_Sym *, unsigned long, char *, int));
static char * get_file_type PARAMS ((unsigned));
static int display_debug_aranges PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
static unsigned char * process_abbrev_section PARAMS ((unsigned char *, unsigned char *));
static unsigned long read_leb128 PARAMS ((unsigned char *, int *, int));
-static int process_extended_line_op PARAMS ((unsigned char *, int));
+static int process_extended_line_op PARAMS ((unsigned char *, int, int));
static void reset_state_machine PARAMS ((int));
static char * get_TAG_name PARAMS ((unsigned long));
static char * get_AT_name PARAMS ((unsigned long));
static const char * get_data_encoding PARAMS ((unsigned char));
static const char * get_osabi_name PARAMS ((unsigned char));
static int guess_is_rela PARAMS ((unsigned long));
+static char * get_note_type PARAMS ((unsigned int));
+static int process_note PARAMS ((Elf_External_Note *));
+static int process_corefile_note_segment PARAMS ((FILE *, unsigned long, unsigned long));
+static int process_corefile_note_segments PARAMS ((FILE *));
+static int process_corefile_contents PARAMS ((FILE *));
typedef int Elf32_Word;
#define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */
#define BYTE_GET(field) byte_get (field, sizeof (field))
+
+/* If we can support a 64 bit data type then BFD64 should be defined
+ and sizeof (bfd_vma) == 8. In this case when translating from an
+ external 8 byte field to an internal field, we can assume that the
+ internal field is also 8 bytes wide and so we can extact all the data.
+ If, however, BFD64 is not defined, then we must assume that the
+ internal data structure only has 4 byte wide fields that are the
+ equivalent of the 8 byte wide external counterparts, and so we must
+ truncate the data. */
+#ifdef BFD64
#define BYTE_GET8(field) byte_get (field, -8)
+#else
+#define BYTE_GET8(field) byte_get (field, 8)
+#endif
#define NUM_ELEM(array) (sizeof (array) / sizeof ((array)[0]))
| (((unsigned long) (field [2])) << 16)
| (((unsigned long) (field [3])) << 24);
+#ifdef BFD64
case -8:
/* This is a special case, generated by the BYTE_GET8 macro.
It means that we are loading an 8 byte value from a field
| (((bfd_vma) (field [5])) << 40)
| (((bfd_vma) (field [6])) << 48)
| (((bfd_vma) (field [7])) << 56);
-
+#endif
default:
error (_("Unhandled data length: %d\n"), size);
abort ();
| (((unsigned long) (field [5])) << 16)
| (((unsigned long) (field [4])) << 24);
+#ifdef BFD64
case -8:
/* This is a special case, generated by the BYTE_GET8 macro.
It means that we are loading an 8 byte value from a field
| (((bfd_vma) (field [2])) << 40)
| (((bfd_vma) (field [1])) << 48)
| (((bfd_vma) (field [0])) << 56);
+#endif
default:
error (_("Unhandled data length: %d\n"), size);
type = ELF64_R_TYPE_ID (info);
else
type = ELF64_R_TYPE (info);
+ /* The #ifdef BFD64 below is to prevent a compile time warning.
+ We know that if we do not have a 64 bit data type that we
+ will never execute this code anyway. */
+#ifdef BFD64
symtab_index = ELF64_R_SYM (info);
+#endif
}
#ifdef _bfd_int64_low
case EM_PARISC:
rtype = elf_hppa_reloc_type (type);
break;
+
+ case EM_PJ:
+ rtype = elf_pj_reloc_type (type);
+ break;
}
if (rtype == NULL)
}
}
+static const char *
+get_sparc64_dynamic_type (type)
+ unsigned long type;
+{
+ switch (type)
+ {
+ case DT_SPARC_REGISTER: return "SPARC_REGISTER";
+ default:
+ return NULL;
+ }
+}
+
static const char *
get_dynamic_type (type)
unsigned long type;
case EM_MIPS_RS4_BE:
result = get_mips_dynamic_type (type);
break;
+ case EM_SPARCV9:
+ result = get_sparc64_dynamic_type (type);
+ break;
default:
result = NULL;
break;
case EM_CYGNUS_MN10300: return "mn10300";
case EM_CYGNUS_MN10200: return "mn10200";
case EM_CYGNUS_FR30: return "Fujitsu FR30";
-
+ case EM_PJ: return "picoJava";
default:
sprintf (buff, _("<unknown>: %x"), e_machine);
return buff;
strcat (buf, ", v8+");
if (e_flags & EF_SPARC_SUN_US1)
- strcat (buf, ", ultrasparc");
+ strcat (buf, ", ultrasparcI");
+
+ if (e_flags & EF_SPARC_SUN_US3)
+ strcat (buf, ", ultrasparcIII");
if (e_flags & EF_SPARC_HAL_R1)
strcat (buf, ", halr1");
if ((e_flags & EF_SPARCV9_MM) == EF_SPARCV9_RMO)
strcat (buf, ", rmo");
break;
+
+ case EM_PJ:
+ if ((e_flags & EF_PICOJAVA_NEWCALLS) == EF_PICOJAVA_NEWCALLS)
+ strcat (buf, ", new calling convention");
+
+ if ((e_flags & EF_PICOJAVA_GNUCALLS) == EF_PICOJAVA_GNUCALLS)
+ strcat (buf, ", gnu calling convention");
+ break;
}
}
{"file-header", no_argument, 0, 'h'},
{"program-headers", no_argument, 0, 'l'},
{"headers", no_argument, 0, 'e'},
- {"histogram", no_argument, & do_histogram, 1},
+ {"histogram", no_argument, 0, 'I'},
{"segments", no_argument, 0, 'l'},
{"sections", no_argument, 0, 'S'},
{"section-headers", no_argument, 0, 'S'},
{"symbols", no_argument, 0, 's'},
{"syms", no_argument, 0, 's'},
{"relocs", no_argument, 0, 'r'},
+ {"notes", no_argument, 0, 'n'},
{"dynamic", no_argument, 0, 'd'},
+ {"arch-specific", no_argument, 0, 'A'},
{"version-info", no_argument, 0, 'V'},
{"use-dynamic", no_argument, 0, 'D'},
{"hex-dump", required_argument, 0, 'x'},
{
fprintf (stdout, _("Usage: readelf {options} elf-file(s)\n"));
fprintf (stdout, _(" Options are:\n"));
- fprintf (stdout, _(" -a or --all Equivalent to: -h -l -S -s -r -d -V --histogram\n"));
+ fprintf (stdout, _(" -a or --all Equivalent to: -h -l -S -s -r -d -V -A -I\n"));
fprintf (stdout, _(" -h or --file-header Display the ELF file header\n"));
fprintf (stdout, _(" -l or --program-headers or --segments\n"));
fprintf (stdout, _(" Display the program headers\n"));
fprintf (stdout, _(" Display the sections' header\n"));
fprintf (stdout, _(" -e or --headers Equivalent to: -h -l -S\n"));
fprintf (stdout, _(" -s or --syms or --symbols Display the symbol table\n"));
+ fprintf (stdout, _(" -n or --notes Display the core notes (if present)\n"));
fprintf (stdout, _(" -r or --relocs Display the relocations (if present)\n"));
fprintf (stdout, _(" -d or --dynamic Display the dynamic segment (if present)\n"));
fprintf (stdout, _(" -V or --version-info Display the version sections (if present)\n"));
+ fprintf (stdout, _(" -A or --arch-specific Display architecture specific information (if any).\n"));
fprintf (stdout, _(" -D or --use-dynamic Use the dynamic section info when displaying symbols\n"));
fprintf (stdout, _(" -x <number> or --hex-dump=<number>\n"));
fprintf (stdout, _(" Dump the contents of section <number>\n"));
fprintf (stdout, _(" -i <number> or --instruction-dump=<number>\n"));
fprintf (stdout, _(" Disassemble the contents of section <number>\n"));
#endif
- fprintf (stdout, _(" --histogram Display histogram of bucket list lengths\n"));
+ fprintf (stdout, _(" -I or --histogram Display histogram of bucket list lengths\n"));
fprintf (stdout, _(" -v or --version Display the version number of readelf\n"));
fprintf (stdout, _(" -H or --help Display this information\n"));
fprintf (stdout, _("Report bugs to bug-gnu-utils@gnu.org\n"));
usage ();
while ((c = getopt_long
- (argc, argv, "ersahldSDw::x:i:vV", options, NULL)) != EOF)
+ (argc, argv, "ersahnldSDAIw::x:i:vV", options, NULL)) != EOF)
{
char * cp;
int section;
do_segments ++;
do_version ++;
do_histogram ++;
+ do_arch ++;
+ do_notes ++;
break;
case 'e':
do_header ++;
do_sections ++;
do_segments ++;
break;
+ case 'A':
+ do_arch ++;
+ break;
case 'D':
do_using_dynamic ++;
break;
case 'd':
do_dynamic ++;
break;
+ case 'I':
+ do_histogram ++;
+ break;
+ case 'n':
+ do_notes ++;
+ break;
case 'x':
do_dump ++;
section = strtoul (optarg, & cp, 0);
if (!do_dynamic && !do_syms && !do_reloc && !do_sections
&& !do_segments && !do_header && !do_dump && !do_version
- && !do_histogram && !do_debugging)
+ && !do_histogram && !do_debugging && !do_arch && !do_notes)
usage ();
else if (argc < 3)
{
? (section->sh_addr >= segment->p_vaddr
&& section->sh_addr + section->sh_size
<= segment->p_vaddr + segment->p_memsz)
- : (section->sh_offset >= segment->p_offset
+ : ((bfd_vma) section->sh_offset >= segment->p_offset
&& (section->sh_offset + section->sh_size
<= segment->p_offset + segment->p_filesz))))
printf ("%s ", SECTION_NAME (section));
if (do_using_dynamic)
{
- int is_rela;
+ int is_rela = FALSE;
rel_size = 0;
rel_offset = 0;
Elf32_Internal_Shdr * section;
char nb [4];
char nc [4];
- int nbuckets;
+ int nbuckets = 0;
int nchains;
int * buckets = NULL;
int * chains = NULL;
static int
process_syminfo (file)
- FILE * file;
+ FILE * file ATTRIBUTE_UNUSED;
{
- int i;
+ unsigned int i;
if (dynamic_syminfo == NULL
|| !do_dynamic)
/* Handled an extend line op. Returns true if this is the end
of sequence. */
static int
-process_extended_line_op (data, is_stmt)
+process_extended_line_op (data, is_stmt, pointer_size)
unsigned char * data;
int is_stmt;
+ int pointer_size;
{
unsigned char op_code;
int bytes_read;
break;
case DW_LNE_set_address:
- /* XXX - assumption here that address size is 4! */
- adr = byte_get (data, 4);
+ adr = byte_get (data, pointer_size);
printf (_("set Address to 0x%lx\n"), adr);
state_machine_regs.address = adr;
break;
return len;
}
+/* Size of pointers in the .debug_line section. This information is not
+ really present in that section. It's obtained before dumping the debug
+ sections by doing some pre-scan of the .debug_info section. */
+static int debug_line_pointer_size = 4;
static int
display_debug_lines (section, start, file)
Elf32_Internal_Shdr * section;
unsigned char * start;
- FILE * file;
+ FILE * file ATTRIBUTE_UNUSED;
{
DWARF2_External_LineInfo * external;
DWARF2_Internal_LineInfo info;
printf (_("\n Opcodes:\n"));
for (i = 1; i < info.li_opcode_base; i++)
- printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i]);
+ printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]);
/* Display the contents of the Directory table. */
data = standard_opcodes + info.li_opcode_base - 1;
switch (op_code)
{
case DW_LNS_extended_op:
- data += process_extended_line_op (data, info.li_default_is_stmt);
+ data += process_extended_line_op (data, info.li_default_is_stmt,
+ debug_line_pointer_size);
break;
case DW_LNS_copy:
break;
case DW_LNS_const_add_pc:
- adv = (255 - info.li_opcode_base) / info.li_line_range;
+ adv = (((255 - info.li_opcode_base) / info.li_line_range)
+ * info.li_min_insn_length);
state_machine_regs.address += adv;
printf (_(" Advance PC by constant %d to 0x%lx\n"), adv,
state_machine_regs.address);
state_machine_regs.address += adv;
printf (_(" Special opcode %d: advance Address by %d to 0x%lx"),
op_code, adv, state_machine_regs.address);
- adv += (op_code % info.li_line_range) + info.li_line_base;
+ adv = (op_code % info.li_line_range) + info.li_line_base;
state_machine_regs.line += adv;
printf (_(" and Line by %d to %d\n"),
adv, state_machine_regs.line);
display_debug_pubnames (section, start, file)
Elf32_Internal_Shdr * section;
unsigned char * start;
- FILE * file;
+ FILE * file ATTRIBUTE_UNUSED;
{
DWARF2_External_PubNames * external;
DWARF2_Internal_PubNames pubnames;
entry = read_leb128 (start, & bytes_read, 0);
start += bytes_read;
+ /* A single zero is supposed to end the section according
+ to the standard. If there's more, then signal that to
+ the caller. */
if (entry == 0)
- return start;
+ return start == end ? NULL : start;
tag = read_leb128 (start, & bytes_read, 0);
start += bytes_read;
display_debug_abbrev (section, start, file)
Elf32_Internal_Shdr * section;
unsigned char * start;
- FILE * file;
+ FILE * file ATTRIBUTE_UNUSED;
{
abbrev_entry * entry;
unsigned char * end = start + section->sh_size;
unsigned char * data;
unsigned long pointer_size;
{
- unsigned long uvalue;
- unsigned char * block_start;
+ unsigned long uvalue = 0;
+ unsigned char * block_start = NULL;
int bytes_read;
int is_ref = 0;
while (tags < start)
{
int bytes_read;
- int abbrev_number;
+ unsigned long abbrev_number;
abbrev_entry * entry;
abbrev_attr * attr;
if (entry == NULL)
{
- warn (_("Unable to locate entry %d in the abbreviation table\n"),
+ warn (_("Unable to locate entry %lu in the abbreviation table\n"),
abbrev_number);
return 0;
}
- printf (_(" <%d><%x>: Abbrev Number: %d (%s)\n"),
+ printf (_(" <%d><%x>: Abbrev Number: %lu (%s)\n"),
level, tags - section_begin - bytes_read,
abbrev_number,
get_TAG_name (entry->tag));
display_debug_aranges (section, start, file)
Elf32_Internal_Shdr * section;
unsigned char * start;
- FILE * file;
+ FILE * file ATTRIBUTE_UNUSED;
{
unsigned char * end = start + section->sh_size;
unsigned char * ranges;
unsigned long length;
unsigned long address;
+ int excess;
external = (DWARF2_External_ARange *) start;
ranges = start + sizeof (* external);
+ /* Must pad to an alignment boundary that is twice the pointer size. */
+ excess = sizeof (*external) % (2 * arange.ar_pointer_size);
+ if (excess)
+ ranges += (2 * arange.ar_pointer_size) - excess;
+
for (;;)
{
address = byte_get (ranges, arange.ar_pointer_size);
- if (address == 0)
- break;
-
ranges += arange.ar_pointer_size;
length = byte_get (ranges, arange.ar_pointer_size);
ranges += arange.ar_pointer_size;
+ /* A pair of zeros marks the end of the list. */
+ if (address == 0 && length == 0)
+ break;
+
printf (" %8.8lx %lu\n", address, length);
}
static int
display_debug_not_supported (section, start, file)
Elf32_Internal_Shdr * section;
- unsigned char * start;
- FILE * file;
+ unsigned char * start ATTRIBUTE_UNUSED;
+ FILE * file ATTRIBUTE_UNUSED;
{
printf (_("Displaying the debug contents of section %s is not yet supported.\n"),
SECTION_NAME (section));
return 1;
}
+/* Pre-scan the .debug_info section to record the size of address.
+ When dumping the .debug_line, we use that size information, assuming
+ that all compilation units have the same address size. */
+static int
+prescan_debug_info (section, start, file)
+ Elf32_Internal_Shdr * section ATTRIBUTE_UNUSED;
+ unsigned char * start;
+ FILE * file ATTRIBUTE_UNUSED;
+{
+ DWARF2_External_CompUnit * external;
+
+ external = (DWARF2_External_CompUnit *) start;
+
+ debug_line_pointer_size = BYTE_GET (external->cu_pointer_size);
+ return 0;
+}
+
/* A structure containing the name of a debug section and a pointer
- to a function that can decode it. */
+ to a function that can decode it. The third field is a prescan
+ function to be run over the section before displaying any of the
+ sections. */
struct
{
char * name;
- int (* display) PARAMS((Elf32_Internal_Shdr *, unsigned char *, FILE *));
+ int (* display) PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
+ int (* prescan) PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
}
debug_displays[] =
{
- { ".debug_info", display_debug_info },
- { ".debug_abbrev", display_debug_abbrev },
- { ".debug_line", display_debug_lines },
- { ".debug_aranges", display_debug_aranges },
- { ".debug_pubnames", display_debug_pubnames },
- { ".debug_macinfo", display_debug_not_supported },
- { ".debug_frame", display_debug_not_supported },
- { ".debug_str", display_debug_not_supported },
- { ".debug_static_func", display_debug_not_supported },
- { ".debug_static_vars", display_debug_not_supported },
- { ".debug_types", display_debug_not_supported },
- { ".debug_weaknames", display_debug_not_supported }
+ { ".debug_info", display_debug_info, prescan_debug_info },
+ { ".debug_abbrev", display_debug_abbrev, NULL },
+ { ".debug_line", display_debug_lines, NULL },
+ { ".debug_aranges", display_debug_aranges, NULL },
+ { ".debug_pubnames", display_debug_pubnames, NULL },
+ { ".debug_macinfo", display_debug_not_supported, NULL },
+ { ".debug_frame", display_debug_not_supported, NULL },
+ { ".debug_str", display_debug_not_supported, NULL },
+ { ".debug_static_func", display_debug_not_supported, NULL },
+ { ".debug_static_vars", display_debug_not_supported, NULL },
+ { ".debug_types", display_debug_not_supported, NULL },
+ { ".debug_weaknames", display_debug_not_supported, NULL }
};
static int
process_section_contents (file)
FILE * file;
{
- Elf32_Internal_Shdr * section;
- unsigned int i;
+ Elf32_Internal_Shdr * section;
+ unsigned int i;
if (! do_dump)
return 1;
+ /* Pre-scan the debug sections to find some debug information not
+ present in some of them. For the .debug_line, we must find out the
+ size of address (specified in .debug_info and .debug_aranges). */
+ for (i = 0, section = section_headers;
+ i < elf_header.e_shnum && i < num_dump_sects;
+ i ++, section ++)
+ {
+ char * name = SECTION_NAME (section);
+ int j;
+
+ if (section->sh_size == 0)
+ continue;
+
+ /* See if there is some pre-scan operation for this section. */
+ for (j = NUM_ELEM (debug_displays); j--;)
+ if (strcmp (debug_displays[j].name, name) == 0)
+ {
+ if (debug_displays[j].prescan != NULL)
+ {
+ bfd_size_type length;
+ unsigned char * start;
+
+ length = section->sh_size;
+ GET_DATA_ALLOC (section->sh_offset, length, start, unsigned char *,
+ "debug section data");
+
+ debug_displays[j].prescan (section, start, file);
+ free (start);
+ }
+
+ break;
+ }
+ }
+
for (i = 0, section = section_headers;
- i < elf_header.e_shnum
- && i < num_dump_sects;
+ i < elf_header.e_shnum && i < num_dump_sects;
i ++, section ++)
{
#ifdef SUPPORT_DISASSEMBLY
{ " DELTA", LL_DELTA }
};
int flags = liblist.l_flags;
- int fcnt;
+ size_t fcnt;
for (fcnt = 0;
fcnt < sizeof (l_flags_vals) / sizeof (l_flags_vals[0]);
return 1;
}
+static char *
+get_note_type (e_type)
+ unsigned e_type;
+{
+ static char buff[64];
+
+ switch (e_type)
+ {
+ case NT_PRSTATUS: return _("NT_PRSTATUS (prstatus structure)");
+ case NT_FPREGSET: return _("NT_FPREGSET (floating point registers)");
+ case NT_PRPSINFO: return _("NT_PRPSINFO (prpsinfo structure)");
+ case NT_TASKSTRUCT: return _("NT_TASKSTRUCT (task structure)");
+ case NT_PSTATUS: return _("NT_PSTATUS (pstatus structure)");
+ case NT_FPREGS: return _("NT_FPREGS (floating point registers)");
+ case NT_PSINFO: return _("NT_PSINFO (psinfo structure)");
+ case NT_LWPSTATUS: return _("NT_LWPSTATUS (lwpstatus_t structure)");
+ case NT_LWPSINFO: return _("NT_LWPSINFO (lwpsinfo_t structure)");
+ default:
+ sprintf (buff, _("Unknown note type: (0x%08x)"), e_type);
+ return buff;
+ }
+}
+
+static int
+process_note (pnote)
+ Elf_External_Note * pnote;
+{
+ Elf32_Internal_Note * internal;
+ char * pname;
+
+ internal = (Elf32_Internal_Note *) pnote;
+ pname = malloc (internal->namesz + 1);
+
+ if (pname == NULL)
+ {
+ error (_("Out of memory\n"));
+ return 0;
+ }
+
+ memcpy (pname, pnote->name, internal->namesz);
+ pname[internal->namesz] = '\0';
+
+ printf (" %s\t\t0x%08lx\t%s\n",
+ pname, internal->descsz, get_note_type (internal->type));
+
+ free (pname);
+
+ return 1;
+}
+
+static int
+process_corefile_note_segment (file, offset, length)
+ FILE * file;
+ unsigned long offset;
+ unsigned long length;
+{
+ Elf_External_Note * pnotes;
+ Elf_External_Note * external;
+ Elf32_Internal_Note* internal;
+ unsigned int notesz;
+ unsigned int nlength;
+ unsigned char * p;
+ int res = 1;
+
+ if (length <= 0)
+ return 0;
+
+ GET_DATA_ALLOC (offset, length, pnotes, Elf_External_Note *, "notes");
+
+ external = pnotes;
+ p = (unsigned char *) pnotes;
+ nlength = length;
+
+ printf (_("\nNotes at offset 0x%08lx with length 0x%08lx:\n"), offset, length);
+ printf (_(" Owner\t\tData size\tDescription\n"));
+
+ while (nlength > 0)
+ {
+ res &= process_note (external);
+
+ internal = (Elf32_Internal_Note *) p;
+ notesz = 3 * sizeof(unsigned long) + internal->namesz + internal->descsz;
+ nlength -= notesz;
+ p += notesz;
+ external = (Elf_External_Note *) p;
+ }
+
+ free (pnotes);
+
+ return res;
+}
+
+static int
+process_corefile_note_segments (file)
+ FILE * file;
+{
+ Elf_Internal_Phdr * program_headers;
+ Elf_Internal_Phdr * segment;
+ unsigned int i;
+ int res = 1;
+
+ program_headers = (Elf_Internal_Phdr *) malloc
+ (elf_header.e_phnum * sizeof (Elf_Internal_Phdr));
+
+ if (program_headers == NULL)
+ {
+ error (_("Out of memory\n"));
+ return 0;
+ }
+
+ if (is_32bit_elf)
+ i = get_32bit_program_headers (file, program_headers);
+ else
+ i = get_64bit_program_headers (file, program_headers);
+
+ if (i == 0)
+ {
+ free (program_headers);
+ return 0;
+ }
+
+ for (i = 0, segment = program_headers;
+ i < elf_header.e_phnum;
+ i ++, segment ++)
+ {
+ if (segment->p_type == PT_NOTE)
+ res &= process_corefile_note_segment (file,
+ (unsigned long)segment->p_offset,
+ (unsigned long)segment->p_filesz);
+ }
+
+ free (program_headers);
+
+ return res;
+}
+
+static int
+process_corefile_contents (file)
+ FILE * file;
+{
+ /* If we have not been asked to display the notes then do nothing. */
+ if (! do_notes)
+ return 1;
+
+ /* If file is not a core file then exit. */
+ if (elf_header.e_type != ET_CORE)
+ return 1;
+
+ /* No program headers means no NOTE segment. */
+ if (elf_header.e_phnum == 0)
+ {
+ printf (_("No note segments present in the core file.\n"));
+ return 1;
+ }
+
+ return process_corefile_note_segments (file);
+}
+
static int
process_arch_specific (file)
FILE * file;
{
+ if (! do_arch)
+ return 1;
+
switch (elf_header.e_machine)
{
case EM_MIPS:
else
{
Elf64_External_Ehdr ehdr64;
+
+ /* If we have been compiled with sizeof (bfd_vma) == 4, then
+ we will not be able to cope with the 64bit data found in
+ 64 ELF files. Detect this now and abort before we start
+ overwritting things. */
+ if (sizeof (bfd_vma) < 8)
+ {
+ error (_("This instance of readelf has been built without support for a\n"));
+ error (_("64 bit data type and so it cannot read 64 bit ELF files.\n"));
+ return 0;
+ }
if (fread (ehdr64.e_type, sizeof (ehdr64) - EI_NIDENT, 1, file) != 1)
return 0;
process_version_sections (file);
process_section_contents (file);
-
+
+ process_corefile_contents (file);
+
process_arch_specific (file);
fclose (file);
projects / deliverable / binutils-gdb.git / blobdiff