/* readelf.c -- display contents of an ELF format file
- Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Free Software Foundation, Inc.
Originally developed by Eric Youngdale <eric@andante.jic.com>
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. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
\f
/* The difference between readelf and objdump:
#include <stdio.h>
#include <time.h>
+/* for PATH_MAX */
+#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#endif
+
+#ifndef PATH_MAX
+/* for MAXPATHLEN */
+# ifdef HAVE_SYS_PARAM_H
+# include <sys/param.h>
+# endif
+# ifndef PATH_MAX
+# ifdef MAXPATHLEN
+# define PATH_MAX MAXPATHLEN
+# else
+# define PATH_MAX 1024
+# endif
+# endif
+#endif
+
#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.
#define BFD64
#endif
-#include "bfd.h"
+#include "dwarf.h"
#include "elf/common.h"
#include "elf/external.h"
#include "elf/internal.h"
-#include "elf/dwarf2.h"
+
+
+/* Included here, before RELOC_MACROS_GEN_FUNC is defined, so that
+ we can obtain the H8 reloc numbers. We need these for the
+ get_reloc_size() function. We include h8.h again after defining
+ RELOC_MACROS_GEN_FUNC so that we get the naming function as well. */
+
+#include "elf/h8.h"
+#undef _ELF_H8_H
+
+/* Undo the effects of #including reloc-macros.h. */
+
+#undef START_RELOC_NUMBERS
+#undef RELOC_NUMBER
+#undef FAKE_RELOC
+#undef EMPTY_RELOC
+#undef END_RELOC_NUMBERS
+#undef _RELOC_MACROS_H
/* The following headers use the elf/reloc-macros.h file to
automatically generate relocation recognition functions
#include "elf/arc.h"
#include "elf/arm.h"
#include "elf/avr.h"
+#include "elf/bfin.h"
#include "elf/cris.h"
+#include "elf/crx.h"
#include "elf/d10v.h"
#include "elf/d30v.h"
#include "elf/dlx.h"
#include "elf/i960.h"
#include "elf/ia64.h"
#include "elf/ip2k.h"
+#include "elf/iq2000.h"
+#include "elf/m32c.h"
#include "elf/m32r.h"
#include "elf/m68k.h"
#include "elf/m68hc11.h"
#include "elf/mcore.h"
+#include "elf/mep.h"
#include "elf/mips.h"
#include "elf/mmix.h"
#include "elf/mn10200.h"
#include "elf/mn10300.h"
+#include "elf/mt.h"
#include "elf/msp430.h"
#include "elf/or32.h"
#include "elf/pj.h"
#include "elf/ppc.h"
#include "elf/ppc64.h"
#include "elf/s390.h"
+#include "elf/score.h"
#include "elf/sh.h"
#include "elf/sparc.h"
+#include "elf/spu.h"
#include "elf/v850.h"
#include "elf/vax.h"
#include "elf/x86-64.h"
#include "elf/xstormy16.h"
-#include "elf/crx.h"
-#include "elf/iq2000.h"
#include "elf/xtensa.h"
#include "aout/ar.h"
#include "libiberty.h"
char *program_name = "readelf";
-long archive_file_offset;
-unsigned long archive_file_size;
-unsigned long dynamic_addr;
-bfd_size_type dynamic_size;
-unsigned int dynamic_nent;
-char *dynamic_strings;
-unsigned long dynamic_strings_length;
-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];
-bfd_vma dynamic_info[DT_JMPREL + 1];
-bfd_vma version_info[16];
-Elf_Internal_Ehdr elf_header;
-Elf_Internal_Shdr *section_headers;
-Elf_Internal_Phdr *program_headers;
-Elf_Internal_Dyn *dynamic_section;
-Elf_Internal_Shdr *symtab_shndx_hdr;
-int show_name;
-int do_dynamic;
-int do_syms;
-int do_reloc;
-int do_sections;
-int do_section_groups;
-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_ranges;
-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;
-int have_frame_base;
-int need_base_address;
-bfd_vma eh_addr_size;
+static long archive_file_offset;
+static unsigned long archive_file_size;
+static unsigned long dynamic_addr;
+static bfd_size_type dynamic_size;
+static unsigned int dynamic_nent;
+static char *dynamic_strings;
+static unsigned long dynamic_strings_length;
+static char *string_table;
+static unsigned long string_table_length;
+static unsigned long num_dynamic_syms;
+static Elf_Internal_Sym *dynamic_symbols;
+static Elf_Internal_Syminfo *dynamic_syminfo;
+static unsigned long dynamic_syminfo_offset;
+static unsigned int dynamic_syminfo_nent;
+static char program_interpreter[PATH_MAX];
+static bfd_vma dynamic_info[DT_JMPREL + 1];
+static bfd_vma dynamic_info_DT_GNU_HASH;
+static bfd_vma version_info[16];
+static Elf_Internal_Ehdr elf_header;
+static Elf_Internal_Shdr *section_headers;
+static Elf_Internal_Phdr *program_headers;
+static Elf_Internal_Dyn *dynamic_section;
+static Elf_Internal_Shdr *symtab_shndx_hdr;
+static int show_name;
+static int do_dynamic;
+static int do_syms;
+static int do_reloc;
+static int do_sections;
+static int do_section_groups;
+static int do_section_details;
+static int do_segments;
+static int do_unwind;
+static int do_using_dynamic;
+static int do_header;
+static int do_dump;
+static int do_version;
+static int do_wide;
+static int do_histogram;
+static int do_debugging;
+static int do_arch;
+static int do_notes;
+static int is_32bit_elf;
struct group_list
{
unsigned int group_index;
};
-struct group *section_groups;
-size_t group_count;
+static size_t group_count;
+static struct group *section_groups;
+static struct group **section_headers_groups;
-struct group **section_headers_groups;
+/* A linked list of the section names for which dumps were requested
+ by name. */
+struct dump_list_entry
+{
+ char *name;
+ int type;
+ struct dump_list_entry *next;
+};
+static struct dump_list_entry *dump_sects_byname;
/* A dynamic array of flags indicating for which sections a hex dump
has been requested (via the -x switch) and/or a disassembly dump
/* A dynamic array of flags indicating for which sections a dump of
some kind has been requested. It is reset on a per-object file
- basis and then initialised from the cmdline_dump_sects array and
- the results of interpreting the -w switch. */
+ basis and then initialised from the cmdline_dump_sects array,
+ the results of interpreting the -w switch, and the
+ dump_sects_byname list. */
char *dump_sects = NULL;
unsigned int num_dump_sects = 0;
#define DISASS_DUMP (1 << 1)
#define DEBUG_DUMP (1 << 2)
-/* How to rpint a vma value. */
+/* How to print a vma value. */
typedef enum print_mode
{
HEX,
}
print_mode;
-static bfd_vma (*byte_get) (unsigned char *, int);
static void (*byte_put) (unsigned char *, bfd_vma, int);
#define UNKNOWN -1
-#define SECTION_NAME(X) ((X) == NULL ? "<none>" : \
- ((X)->sh_name >= string_table_length \
- ? "<corrupt>" : string_table + (X)->sh_name))
+#define SECTION_NAME(X) \
+ ((X) == NULL ? "<none>" \
+ : string_table == NULL ? "<no-name>" \
+ : ((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) \
#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) \
/* This is just a bit of syntatic sugar. */
#define streq(a,b) (strcmp ((a), (b)) == 0)
#define strneq(a,b,n) (strncmp ((a), (b), (n)) == 0)
+#define const_strneq(a,b) (strncmp ((a), (b), sizeof (b) - 1) == 0)
\f
-static void
-error (const char *message, ...)
-{
- va_list args;
-
- va_start (args, message);
- fprintf (stderr, _("%s: Error: "), program_name);
- vfprintf (stderr, message, args);
- va_end (args);
-}
-
-static void
-warn (const char *message, ...)
-{
- va_list args;
-
- va_start (args, message);
- fprintf (stderr, _("%s: Warning: "), program_name);
- vfprintf (stderr, message, args);
- va_end (args);
-}
-
static void *
-get_data (void *var, FILE *file, long offset, size_t size, const char *reason)
+get_data (void *var, FILE *file, long offset, size_t size, size_t nmemb,
+ const char *reason)
{
void *mvar;
- if (size == 0)
+ if (size == 0 || nmemb == 0)
return NULL;
if (fseek (file, archive_file_offset + offset, SEEK_SET))
{
- error (_("Unable to seek to 0x%x for %s\n"),
+ error (_("Unable to seek to 0x%lx for %s\n"),
archive_file_offset + offset, reason);
return NULL;
}
mvar = var;
if (mvar == NULL)
{
- mvar = malloc (size);
+ /* Check for overflow. */
+ if (nmemb < (~(size_t) 0 - 1) / size)
+ /* + 1 so that we can '\0' terminate invalid string table sections. */
+ mvar = malloc (size * nmemb + 1);
if (mvar == NULL)
{
- error (_("Out of memory allocating 0x%x bytes for %s\n"),
- size, reason);
+ error (_("Out of memory allocating 0x%lx bytes for %s\n"),
+ (unsigned long)(size * nmemb), reason);
return NULL;
}
+
+ ((char *) mvar)[size * nmemb] = '\0';
}
- if (fread (mvar, size, 1, file) != 1)
+ if (fread (mvar, size, nmemb, file) != nmemb)
{
- error (_("Unable to read in 0x%x bytes of %s\n"), size, reason);
+ error (_("Unable to read in 0x%lx bytes of %s\n"),
+ (unsigned long)(size * nmemb), reason);
if (mvar != var)
free (mvar);
return NULL;
return mvar;
}
-static bfd_vma
-byte_get_little_endian (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 structure. */
- 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 bfd_vma
-byte_get_signed (unsigned char *field, int size)
-{
- bfd_vma x = byte_get (field, size);
-
- switch (size)
- {
- case 1:
- return (x ^ 0x80) - 0x80;
- case 2:
- return (x ^ 0x8000) - 0x8000;
- case 4:
- return (x ^ 0x80000000) - 0x80000000;
- case 8:
- case -8:
- return x;
- default:
- abort ();
- }
-}
-
static void
byte_put_little_endian (unsigned char *field, bfd_vma value, int size)
{
}
}
+#if defined BFD64 && !BFD_HOST_64BIT_LONG
+static int
+print_dec_vma (bfd_vma vma, int is_signed)
+{
+ char buf[40];
+ char *bufp = buf;
+ int nc = 0;
+
+ if (is_signed && (bfd_signed_vma) vma < 0)
+ {
+ vma = -vma;
+ putchar ('-');
+ nc = 1;
+ }
+
+ do
+ {
+ *bufp++ = '0' + vma % 10;
+ vma /= 10;
+ }
+ while (vma != 0);
+ nc += bufp - buf;
+
+ while (bufp > buf)
+ putchar (*--bufp);
+ return nc;
+}
+
+static int
+print_hex_vma (bfd_vma vma)
+{
+ char buf[32];
+ char *bufp = buf;
+ int nc;
+
+ do
+ {
+ char digit = '0' + (vma & 0x0f);
+ if (digit > '9')
+ digit += 'a' - '0' - 10;
+ *bufp++ = digit;
+ vma >>= 4;
+ }
+ while (vma != 0);
+ nc = bufp - buf;
+
+ while (bufp > buf)
+ putchar (*--bufp);
+ return nc;
+}
+#endif
+
/* Print a VMA value. */
-static void
+static int
print_vma (bfd_vma vma, print_mode mode)
{
#ifdef BFD64
switch (mode)
{
case FULL_HEX:
- printf ("0x");
- /* Drop through. */
+ return printf ("0x%8.8lx", (unsigned long) vma);
+
case LONG_HEX:
- printf ("%8.8lx", (unsigned long) vma);
- break;
+ return printf ("%8.8lx", (unsigned long) vma);
case DEC_5:
if (vma <= 99999)
- {
- printf ("%5ld", (long) vma);
- break;
- }
+ return printf ("%5ld", (long) vma);
/* Drop through. */
+
case PREFIX_HEX:
- printf ("0x");
- /* Drop through. */
+ return printf ("0x%lx", (unsigned long) vma);
+
case HEX:
- printf ("%lx", (unsigned long) vma);
- break;
+ return printf ("%lx", (unsigned long) vma);
case DEC:
- printf ("%ld", (unsigned long) vma);
- break;
+ return printf ("%ld", (unsigned long) vma);
case UNSIGNED:
- printf ("%lu", (unsigned long) vma);
- break;
+ return printf ("%lu", (unsigned long) vma);
}
}
#ifdef BFD64
else
{
+ int nc = 0;
+
switch (mode)
{
case FULL_HEX:
- printf ("0x");
+ nc = printf ("0x");
/* Drop through. */
case LONG_HEX:
printf_vma (vma);
- break;
+ return nc + 16;
case PREFIX_HEX:
- printf ("0x");
+ nc = printf ("0x");
/* Drop through. */
case HEX:
#if BFD_HOST_64BIT_LONG
- printf ("%lx", vma);
+ return nc + 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));
+ return nc + print_hex_vma (vma);
#endif
- break;
case DEC:
#if BFD_HOST_64BIT_LONG
- printf ("%ld", vma);
+ return printf ("%ld", vma);
#else
- if (_bfd_int64_high (vma))
- /* ugg */
- printf ("++%ld", _bfd_int64_low (vma));
- else
- printf ("%ld", _bfd_int64_low (vma));
+ return print_dec_vma (vma, 1);
#endif
- break;
case DEC_5:
#if BFD_HOST_64BIT_LONG
if (vma <= 99999)
- printf ("%5ld", vma);
+ return printf ("%5ld", vma);
else
- printf ("%#lx", vma);
+ return printf ("%#lx", vma);
#else
- if (_bfd_int64_high (vma))
- /* ugg */
- printf ("++%ld", _bfd_int64_low (vma));
- else if (vma <= 99999)
- printf ("%5ld", _bfd_int64_low (vma));
+ if (vma <= 99999)
+ return printf ("%5ld", _bfd_int64_low (vma));
else
- printf ("%#lx", _bfd_int64_low (vma));
+ return print_hex_vma (vma);
#endif
- break;
case UNSIGNED:
#if BFD_HOST_64BIT_LONG
- printf ("%lu", vma);
+ return printf ("%lu", vma);
#else
- if (_bfd_int64_high (vma))
- /* ugg */
- printf ("++%lu", _bfd_int64_low (vma));
- else
- printf ("%lu", _bfd_int64_low (vma));
+ return print_dec_vma (vma, 0);
#endif
- break;
}
}
#endif
+ return 0;
}
/* Display a symbol on stdout. If do_wide is not true then
printf ("%-.*s", width, symbol);
}
-static bfd_vma
-byte_get_big_endian (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 structure. */
- 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 (unsigned char *field, bfd_vma value, int size)
{
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_CYGNUS_M32R:
+ case EM_ARM:
case EM_D10V:
case EM_CYGNUS_D10V:
+ case EM_DLX:
case EM_MIPS:
case EM_MIPS_RS3_LE:
+ case EM_CYGNUS_M32R:
+ case EM_OPENRISC:
+ case EM_OR32:
+ case EM_SCORE:
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_860:
+ case EM_ALPHA:
+ case EM_ALTERA_NIOS2:
+ case EM_AVR:
+ case EM_AVR_OLD:
+ case EM_BLACKFIN:
+ case EM_CRIS:
+ case EM_CRX:
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_H8S:
+ case EM_H8_300:
+ case EM_H8_300H:
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_IP2K:
+ case EM_IP2K_OLD:
+ case EM_IQ2000:
+ case EM_M32C:
+ case EM_M32R:
+ case EM_MCORE:
+ case EM_CYGNUS_MEP:
case EM_MMIX:
+ case EM_MN10200:
+ case EM_CYGNUS_MN10200:
+ case EM_MN10300:
+ case EM_CYGNUS_MN10300:
case EM_MSP430:
case EM_MSP430_OLD:
- case EM_XSTORMY16:
- case EM_CRX:
+ case EM_MT:
+ case EM_NIOS32:
+ case EM_PPC64:
+ case EM_PPC:
+ case EM_S390:
+ case EM_S390_OLD:
+ case EM_SH:
+ case EM_SPARC:
+ case EM_SPARC32PLUS:
+ case EM_SPARCV9:
+ case EM_SPU:
+ case EM_V850:
+ case EM_CYGNUS_V850:
case EM_VAX:
- case EM_IP2K:
- case EM_IP2K_OLD:
- case EM_IQ2000:
+ case EM_X86_64:
+ case EM_XSTORMY16:
case EM_XTENSA:
case EM_XTENSA_OLD:
- case EM_M32R:
return TRUE;
+ case EM_68HC05:
+ case EM_68HC08:
+ case EM_68HC11:
+ case EM_68HC16:
+ case EM_FX66:
+ case EM_ME16:
case EM_MMA:
- case EM_PCP:
case EM_NCPU:
case EM_NDR1:
- case EM_STARCORE:
- case EM_ME16:
+ case EM_PCP:
case EM_ST100:
- case EM_TINYJ:
- case EM_FX66:
- case EM_ST9PLUS:
+ case EM_ST19:
case EM_ST7:
- case EM_68HC16:
- case EM_68HC11:
- case EM_68HC08:
- case EM_68HC05:
+ case EM_ST9PLUS:
+ case EM_STARCORE:
case EM_SVX:
- case EM_ST19:
+ case EM_TINYJ:
default:
warn (_("Don't know about relocations on this machine architecture\n"));
return FALSE;
{
Elf32_External_Rela *erelas;
- erelas = get_data (NULL, file, rel_offset, rel_size, _("relocs"));
+ erelas = get_data (NULL, file, rel_offset, 1, rel_size, _("relocs"));
if (!erelas)
return 0;
nrelas = rel_size / sizeof (Elf32_External_Rela);
- relas = malloc (nrelas * sizeof (Elf_Internal_Rela));
+ relas = cmalloc (nrelas, sizeof (Elf_Internal_Rela));
if (relas == NULL)
{
+ free (erelas);
error (_("out of memory parsing relocs"));
return 0;
}
{
Elf64_External_Rela *erelas;
- erelas = get_data (NULL, file, rel_offset, rel_size, _("relocs"));
+ erelas = get_data (NULL, file, rel_offset, 1, rel_size, _("relocs"));
if (!erelas)
return 0;
nrelas = rel_size / sizeof (Elf64_External_Rela);
- relas = malloc (nrelas * sizeof (Elf_Internal_Rela));
+ relas = cmalloc (nrelas, sizeof (Elf_Internal_Rela));
if (relas == NULL)
{
+ free (erelas);
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);
+ 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);
{
Elf32_External_Rel *erels;
- erels = get_data (NULL, file, rel_offset, rel_size, _("relocs"));
+ erels = get_data (NULL, file, rel_offset, 1, rel_size, _("relocs"));
if (!erels)
return 0;
nrels = rel_size / sizeof (Elf32_External_Rel);
- rels = malloc (nrels * sizeof (Elf_Internal_Rela));
+ rels = cmalloc (nrels, sizeof (Elf_Internal_Rela));
if (rels == NULL)
{
+ free (erels);
error (_("out of memory parsing relocs"));
return 0;
}
{
Elf64_External_Rel *erels;
- erels = get_data (NULL, file, rel_offset, rel_size, _("relocs"));
+ erels = get_data (NULL, file, rel_offset, 1, rel_size, _("relocs"));
if (!erels)
return 0;
nrels = rel_size / sizeof (Elf64_External_Rel);
- rels = malloc (nrels * sizeof (Elf_Internal_Rela));
+ rels = cmalloc (nrels, sizeof (Elf_Internal_Rela));
if (rels == NULL)
{
+ free (erels);
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_offset = BYTE_GET (erels[i].r_offset);
+ rels[i].r_info = BYTE_GET (erels[i].r_info);
rels[i].r_addend = 0;
}
rtype = elf_sparc_reloc_type (type);
break;
+ case EM_SPU:
+ rtype = elf_spu_reloc_type (type);
+ break;
+
case EM_V850:
case EM_CYGNUS_V850:
rtype = v850_reloc_type (type);
rtype = elf_s390_reloc_type (type);
break;
+ case EM_SCORE:
+ rtype = elf_score_reloc_type (type);
+ break;
+
case EM_XSTORMY16:
rtype = elf_xstormy16_reloc_type (type);
break;
case EM_XTENSA:
rtype = elf_xtensa_reloc_type (type);
break;
+
+ case EM_M32C:
+ rtype = elf_m32c_reloc_type (type);
+ break;
+
+ case EM_MT:
+ rtype = elf_mt_reloc_type (type);
+ break;
+
+ case EM_BLACKFIN:
+ rtype = elf_bfin_reloc_type (type);
+ break;
+
+ case EM_CYGNUS_MEP:
+ rtype = elf_mep_reloc_type (type);
+ break;
}
if (rtype == NULL)
else
printf (do_wide ? "%-22.22s" : "%-17.17s", rtype);
- if (symtab_index)
+ if (elf_header.e_machine == EM_ALPHA
+ && rtype != NULL
+ && streq (rtype, "R_ALPHA_LITUSE")
+ && is_rela)
+ {
+ switch (rels[i].r_addend)
+ {
+ case LITUSE_ALPHA_ADDR: rtype = "ADDR"; break;
+ case LITUSE_ALPHA_BASE: rtype = "BASE"; break;
+ case LITUSE_ALPHA_BYTOFF: rtype = "BYTOFF"; break;
+ case LITUSE_ALPHA_JSR: rtype = "JSR"; break;
+ case LITUSE_ALPHA_TLSGD: rtype = "TLSGD"; break;
+ case LITUSE_ALPHA_TLSLDM: rtype = "TLSLDM"; break;
+ case LITUSE_ALPHA_JSRDIRECT: rtype = "JSRDIRECT"; break;
+ default: rtype = NULL;
+ }
+ if (rtype)
+ printf (" (%s)", rtype);
+ else
+ {
+ putchar (' ');
+ printf (_("<unknown addend: %lx>"),
+ (unsigned long) rels[i].r_addend);
+ }
+ }
+ else if (symtab_index)
{
if (symtab == NULL || symtab_index >= nsyms)
printf (" bad symbol index: %08lx", (unsigned long) symtab_index);
sec_name = "ABS";
else if (psym->st_shndx == SHN_COMMON)
sec_name = "COMMON";
+ else if (elf_header.e_machine == EM_MIPS
+ && psym->st_shndx == SHN_MIPS_SCOMMON)
+ sec_name = "SCOMMON";
+ else if (elf_header.e_machine == EM_MIPS
+ && psym->st_shndx == SHN_MIPS_SUNDEFINED)
+ sec_name = "SUNDEF";
+ else if (elf_header.e_machine == EM_X86_64
+ && psym->st_shndx == SHN_X86_64_LCOMMON)
+ sec_name = "LARGE_COMMON";
else if (elf_header.e_machine == EM_IA_64
&& elf_header.e_ident[EI_OSABI] == ELFOSABI_HPUX
&& psym->st_shndx == SHN_IA_64_ANSI_COMMON)
}
else if (strtab == NULL)
printf (_("<string table index: %3ld>"), psym->st_name);
- else if (psym->st_name > strtablen)
+ else if (psym->st_name >= strtablen)
printf (_("<corrupt string table index: %3ld>"), psym->st_name);
else
print_symbol (22, strtab + psym->st_name);
}
if (elf_header.e_machine == EM_SPARCV9
+ && rtype != NULL
&& streq (rtype, "R_SPARC_OLO10"))
printf (" + %lx", (unsigned long) ELF64_R_TYPE_DATA (info));
}
static const char *
-get_ppc64_dynamic_type (unsigned long type)
+get_ppc_dynamic_type (unsigned long type)
{
switch (type)
{
- case DT_PPC64_GLINK: return "PPC64_GLINK";
- case DT_PPC64_OPD: return "PPC64_OPD";
- case DT_PPC64_OPDSZ: return "PPC64_OPDSZ";
+ case DT_PPC_GOT: return "PPC_GOT";
default:
return NULL;
}
}
static const char *
-get_parisc_dynamic_type (unsigned long type)
+get_ppc64_dynamic_type (unsigned long type)
{
switch (type)
{
- case DT_HP_LOAD_MAP: return "HP_LOAD_MAP";
- case DT_HP_DLD_FLAGS: return "HP_DLD_FLAGS";
+ case DT_PPC64_GLINK: return "PPC64_GLINK";
+ case DT_PPC64_OPD: return "PPC64_OPD";
+ case DT_PPC64_OPDSZ: return "PPC64_OPDSZ";
+ default:
+ return NULL;
+ }
+}
+
+static const char *
+get_parisc_dynamic_type (unsigned long type)
+{
+ switch (type)
+ {
+ case DT_HP_LOAD_MAP: return "HP_LOAD_MAP";
+ case DT_HP_DLD_FLAGS: return "HP_DLD_FLAGS";
case DT_HP_DLD_HOOK: return "HP_DLD_HOOK";
case DT_HP_UX10_INIT: return "HP_UX10_INIT";
case DT_HP_UX10_INITSZ: return "HP_UX10_INITSZ";
case DT_HP_GST_SIZE: return "HP_GST_SIZE";
case DT_HP_GST_VERSION: return "HP_GST_VERSION";
case DT_HP_GST_HASHVAL: return "HP_GST_HASHVAL";
+ case DT_HP_EPLTREL: return "HP_GST_EPLTREL";
+ case DT_HP_EPLTRELSZ: return "HP_GST_EPLTRELSZ";
+ case DT_HP_FILTERED: return "HP_FILTERED";
+ case DT_HP_FILTER_TLS: return "HP_FILTER_TLS";
+ case DT_HP_COMPAT_FILTERED: return "HP_COMPAT_FILTERED";
+ case DT_HP_LAZYLOAD: return "HP_LAZYLOAD";
+ case DT_HP_BIND_NOW_COUNT: return "HP_BIND_NOW_COUNT";
+ case DT_PLT: return "PLT";
+ case DT_PLT_SIZE: return "PLT_SIZE";
+ case DT_DLT: return "DLT";
+ case DT_DLT_SIZE: return "DLT_SIZE";
default:
return NULL;
}
}
}
+static const char *
+get_alpha_dynamic_type (unsigned long type)
+{
+ switch (type)
+ {
+ case DT_ALPHA_PLTRO: return "ALPHA_PLTRO";
+ default:
+ return NULL;
+ }
+}
+
+static const char *
+get_score_dynamic_type (unsigned long type)
+{
+ switch (type)
+ {
+ case DT_SCORE_BASE_ADDRESS: return "SCORE_BASE_ADDRESS";
+ case DT_SCORE_LOCAL_GOTNO: return "SCORE_LOCAL_GOTNO";
+ case DT_SCORE_SYMTABNO: return "SCORE_SYMTABNO";
+ case DT_SCORE_GOTSYM: return "SCORE_GOTSYM";
+ case DT_SCORE_UNREFEXTNO: return "SCORE_UNREFEXTNO";
+ case DT_SCORE_HIPAGENO: return "SCORE_HIPAGENO";
+ default:
+ return NULL;
+ }
+}
+
+
static const char *
get_dynamic_type (unsigned long type)
{
- static char buff[32];
+ static char buff[64];
switch (type)
{
case DT_VERSYM: return "VERSYM";
+ case DT_TLSDESC_GOT: return "TLSDESC_GOT";
+ case DT_TLSDESC_PLT: return "TLSDESC_PLT";
case DT_RELACOUNT: return "RELACOUNT";
case DT_RELCOUNT: return "RELCOUNT";
case DT_FLAGS_1: return "FLAGS_1";
case DT_GNU_CONFLICTSZ: return "GNU_CONFLICTSZ";
case DT_GNU_LIBLIST: return "GNU_LIBLIST";
case DT_GNU_LIBLISTSZ: return "GNU_LIBLISTSZ";
+ case DT_GNU_HASH: return "GNU_HASH";
default:
if ((type >= DT_LOPROC) && (type <= DT_HIPROC))
case EM_SPARCV9:
result = get_sparc64_dynamic_type (type);
break;
+ case EM_PPC:
+ result = get_ppc_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;
+ case EM_ALPHA:
+ result = get_alpha_dynamic_type (type);
+ break;
+ case EM_SCORE:
+ result = get_score_dynamic_type (type);
+ break;
default:
result = NULL;
break;
if (result != NULL)
return result;
- sprintf (buff, _("Processor Specific: %lx"), type);
+ snprintf (buff, sizeof (buff), _("Processor Specific: %lx"), type);
}
- else if ((type >= DT_LOOS) && (type <= DT_HIOS))
+ else if (((type >= DT_LOOS) && (type <= DT_HIOS))
+ || (elf_header.e_machine == EM_PARISC
+ && (type >= OLD_DT_LOOS) && (type <= OLD_DT_HIOS)))
{
const char *result;
if (result != NULL)
return result;
- sprintf (buff, _("Operating System specific: %lx"), type);
+ snprintf (buff, sizeof (buff), _("Operating System specific: %lx"),
+ type);
}
else
- sprintf (buff, _("<unknown>: %lx"), type);
+ snprintf (buff, sizeof (buff), _("<unknown>: %lx"), type);
return buff;
}
default:
if ((e_type >= ET_LOPROC) && (e_type <= ET_HIPROC))
- sprintf (buff, _("Processor Specific: (%x)"), e_type);
+ snprintf (buff, sizeof (buff), _("Processor Specific: (%x)"), e_type);
else if ((e_type >= ET_LOOS) && (e_type <= ET_HIOS))
- sprintf (buff, _("OS Specific: (%x)"), e_type);
+ snprintf (buff, sizeof (buff), _("OS Specific: (%x)"), e_type);
else
- sprintf (buff, _("<unknown>: %x"), e_type);
+ snprintf (buff, sizeof (buff), _("<unknown>: %x"), e_type);
return buff;
}
}
case EM_NONE: return _("None");
case EM_M32: return "WE32100";
case EM_SPARC: return "Sparc";
+ case EM_SPU: return "SPU";
case EM_386: return "Intel 80386";
case EM_68K: return "MC68000";
case EM_88K: return "MC88000";
case EM_X86_64: return "Advanced Micro Devices X86-64";
case EM_S390_OLD:
case EM_S390: return "IBM S/390";
+ case EM_SCORE: return "SUNPLUS S+Core";
case EM_XSTORMY16: return "Sanyo Xstormy16 CPU core";
case EM_OPENRISC:
case EM_OR32: return "OpenRISC";
case EM_IQ2000: return "Vitesse IQ2000";
case EM_XTENSA_OLD:
case EM_XTENSA: return "Tensilica Xtensa Processor";
+ case EM_M32C: return "Renesas M32c";
+ case EM_MT: return "Morpho Techologies MT processor";
+ case EM_BLACKFIN: return "Analog Devices Blackfin";
+ case EM_NIOS32: return "Altera Nios";
+ case EM_ALTERA_NIOS2: return "Altera Nios II";
+ case EM_XC16X: return "Infineon Technologies xc16x";
+ case EM_CYGNUS_MEP: return "Toshiba MeP Media Engine";
default:
- sprintf (buff, _("<unknown>: %x"), e_machine);
+ snprintf (buff, sizeof (buff), _("<unknown>: %x"), e_machine);
return buff;
}
}
case EF_ARM_EABI_VER4:
strcat (buf, ", Version4 EABI");
+ goto eabi;
+
+ case EF_ARM_EABI_VER5:
+ strcat (buf, ", Version5 EABI");
+ eabi:
while (e_flags)
{
unsigned flag;
break;
case EM_68K:
- if (e_flags & EF_CPU32)
- strcat (buf, ", cpu32");
- if (e_flags & EF_M68000)
+ if ((e_flags & EF_M68K_ARCH_MASK) == EF_M68K_M68000)
strcat (buf, ", m68000");
+ else if ((e_flags & EF_M68K_ARCH_MASK) == EF_M68K_CPU32)
+ strcat (buf, ", cpu32");
+ else if ((e_flags & EF_M68K_ARCH_MASK) == EF_M68K_FIDO)
+ strcat (buf, ", fido_a");
+ else
+ {
+ char const *isa = _("unknown");
+ char const *mac = _("unknown mac");
+ char const *additional = NULL;
+
+ switch (e_flags & EF_M68K_CF_ISA_MASK)
+ {
+ case EF_M68K_CF_ISA_A_NODIV:
+ isa = "A";
+ additional = ", nodiv";
+ break;
+ case EF_M68K_CF_ISA_A:
+ isa = "A";
+ break;
+ case EF_M68K_CF_ISA_A_PLUS:
+ isa = "A+";
+ break;
+ case EF_M68K_CF_ISA_B_NOUSP:
+ isa = "B";
+ additional = ", nousp";
+ break;
+ case EF_M68K_CF_ISA_B:
+ isa = "B";
+ break;
+ }
+ strcat (buf, ", cf, isa ");
+ strcat (buf, isa);
+ if (additional)
+ strcat (buf, additional);
+ if (e_flags & EF_M68K_CF_FLOAT)
+ strcat (buf, ", float");
+ switch (e_flags & EF_M68K_CF_MAC_MASK)
+ {
+ case 0:
+ mac = NULL;
+ break;
+ case EF_M68K_CF_MAC:
+ mac = "mac";
+ break;
+ case EF_M68K_CF_EMAC:
+ mac = "emac";
+ break;
+ }
+ if (mac)
+ {
+ strcat (buf, ", ");
+ strcat (buf, mac);
+ }
+ }
break;
case EM_PPC:
case EM_CYGNUS_M32R:
if ((e_flags & EF_M32R_ARCH) == E_M32R_ARCH)
strcat (buf, ", m32r");
-
break;
case EM_MIPS:
case EF_SH4_NOFPU: strcat (buf, ", sh4-nofpu"); break;
case EF_SH4A_NOFPU: strcat (buf, ", sh4a-nofpu"); break;
case EF_SH2A_NOFPU: strcat (buf, ", sh2a-nofpu"); break;
+ case EF_SH3_NOMMU: strcat (buf, ", sh3-nommu"); break;
+ case EF_SH4_NOMMU_NOFPU: strcat (buf, ", sh4-nommu-nofpu"); break;
+ case EF_SH2A_SH4_NOFPU: strcat (buf, ", sh2a-nofpu-or-sh4-nommu-nofpu"); break;
+ case EF_SH2A_SH3_NOFPU: strcat (buf, ", sh2a-nofpu-or-sh3-nommu"); break;
+ case EF_SH2A_SH4: strcat (buf, ", sh2a-or-sh4"); break;
+ case EF_SH2A_SH3E: strcat (buf, ", sh2a-or-sh3e"); break;
default: strcat (buf, ", unknown ISA"); break;
}
case ELFOSABI_STANDALONE: return _("Standalone App");
case ELFOSABI_ARM: return "ARM";
default:
- sprintf (buff, _("<unknown: %x>"), osabi);
+ snprintf (buff, sizeof (buff), _("<unknown: %x>"), osabi);
return buff;
}
}
+static const char *
+get_arm_segment_type (unsigned long type)
+{
+ switch (type)
+ {
+ case PT_ARM_EXIDX:
+ return "EXIDX";
+ default:
+ break;
+ }
+
+ return NULL;
+}
+
static const char *
get_mips_segment_type (unsigned long type)
{
case PT_HP_CORE_MMF: return "HP_CORE_MMF";
case PT_HP_PARALLEL: return "HP_PARALLEL";
case PT_HP_FASTBIND: return "HP_FASTBIND";
+ case PT_HP_OPT_ANNOT: return "HP_OPT_ANNOT";
+ case PT_HP_HSL_ANNOT: return "HP_HSL_ANNOT";
+ case PT_HP_STACK: return "HP_STACK";
+ case PT_HP_CORE_UTSNAME: return "HP_CORE_UTSNAME";
case PT_PARISC_ARCHEXT: return "PARISC_ARCHEXT";
case PT_PARISC_UNWIND: return "PARISC_UNWIND";
+ case PT_PARISC_WEAKORDER: return "PARISC_WEAKORDER";
default:
break;
}
switch (elf_header.e_machine)
{
+ case EM_ARM:
+ result = get_arm_segment_type (p_type);
+ break;
case EM_MIPS:
case EM_MIPS_RS3_LE:
result = get_mips_segment_type (p_type);
sprintf (buff, "LOOS+%lx", p_type - PT_LOOS);
}
else
- sprintf (buff, _("<unknown>: %lx"), p_type);
+ snprintf (buff, sizeof (buff), _("<unknown>: %lx"), p_type);
return buff;
}
case SHT_PARISC_EXT: return "PARISC_EXT";
case SHT_PARISC_UNWIND: return "PARISC_UNWIND";
case SHT_PARISC_DOC: return "PARISC_DOC";
+ case SHT_PARISC_ANNOT: return "PARISC_ANNOT";
+ case SHT_PARISC_SYMEXTN: return "PARISC_SYMEXTN";
+ case SHT_PARISC_STUBS: return "PARISC_STUBS";
+ case SHT_PARISC_DLKM: return "PARISC_DLKM";
default:
break;
}
{
case SHT_ARM_EXIDX:
return "ARM_EXIDX";
+ case SHT_ARM_PREEMPTMAP:
+ return "ARM_PREEMPTMAP";
+ case SHT_ARM_ATTRIBUTES:
+ return "ARM_ATTRIBUTES";
default:
break;
}
case SHT_INIT_ARRAY: return "INIT_ARRAY";
case SHT_FINI_ARRAY: return "FINI_ARRAY";
case SHT_PREINIT_ARRAY: return "PREINIT_ARRAY";
+ case SHT_GNU_HASH: return "GNU_HASH";
case SHT_GROUP: return "GROUP";
case SHT_SYMTAB_SHNDX: return "SYMTAB SECTION INDICIES";
case SHT_GNU_verdef: return "VERDEF";
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);
+ snprintf (buff, sizeof (buff), _("<unknown>: %x"), sh_type);
return buff;
}
#define OPTION_DEBUG_DUMP 512
-struct option options[] =
+static struct option options[] =
{
{"all", no_argument, 0, 'a'},
{"file-header", no_argument, 0, 'h'},
{"sections", no_argument, 0, 'S'},
{"section-headers", no_argument, 0, 'S'},
{"section-groups", no_argument, 0, 'g'},
+ {"section-details", no_argument, 0, 't'},
+ {"full-section-name",no_argument, 0, 'N'},
{"symbols", no_argument, 0, 's'},
{"syms", no_argument, 0, 's'},
{"relocs", no_argument, 0, 'r'},
};
static void
-usage (void)
+usage (FILE *stream)
{
- 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\
+ fprintf (stream, _("Usage: readelf <option(s)> elf-file(s)\n"));
+ fprintf (stream, _(" Display information about the contents of ELF format files\n"));
+ fprintf (stream, _(" 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\
-S --section-headers Display the sections' header\n\
--sections An alias for --section-headers\n\
-g --section-groups Display the section groups\n\
+ -t --section-details Display the section details\n\
-e --headers Equivalent to: -h -l -S\n\
-s --syms Display the symbol table\n\
--symbols An alias for --syms\n\
--debug-dump[=line,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=str,=loc,=Ranges]\n\
Display the contents of DWARF2 debug sections\n"));
#ifdef SUPPORT_DISASSEMBLY
- fprintf (stdout, _("\
+ fprintf (stream, _("\
-i --instruction-dump=<number>\n\
Disassemble the contents of section <number>\n"));
#endif
- fprintf (stdout, _("\
+ fprintf (stream, _("\
-I --histogram Display histogram of bucket list lengths\n\
-W --wide Allow output width to exceed 80 characters\n\
+ @<file> Read options from <file>\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);
+
+ if (REPORT_BUGS_TO[0] && stream == stdout)
+ fprintf (stdout, _("Report bugs to %s\n"), REPORT_BUGS_TO);
- exit (0);
+ exit (stream == stdout ? 0 : 1);
}
/* Record the fact that the user wants the contents of section number
return;
}
+/* Request a dump by section name. */
+
+static void
+request_dump_byname (const char *section, int type)
+{
+ struct dump_list_entry *new_request;
+
+ new_request = malloc (sizeof (struct dump_list_entry));
+ if (!new_request)
+ error (_("Out of memory allocating dump request table."));
+
+ new_request->name = strdup (section);
+ if (!new_request->name)
+ error (_("Out of memory allocating dump request table."));
+
+ new_request->type = type;
+
+ new_request->next = dump_sects_byname;
+ dump_sects_byname = new_request;
+}
+
static void
parse_args (int argc, char **argv)
{
int c;
if (argc < 2)
- usage ();
+ usage (stderr);
while ((c = getopt_long
- (argc, argv, "ersuahnldSDAIgw::x:i:vVWH", options, NULL)) != EOF)
+ (argc, argv, "ersuahnldSDAINtgw::x:i:vVWH", options, NULL)) != EOF)
{
char *cp;
int section;
/* Long options. */
break;
case 'H':
- usage ();
+ usage (stdout);
break;
case 'a':
case 'g':
do_section_groups++;
break;
+ case 't':
+ case 'N':
+ do_sections++;
+ do_section_details++;
+ break;
case 'e':
do_header++;
do_sections++;
do_dump++;
section = strtoul (optarg, & cp, 0);
if (! *cp && section >= 0)
- {
- request_dump (section, HEX_DUMP);
- break;
- }
- goto oops;
+ request_dump (section, HEX_DUMP);
+ else
+ request_dump_byname (optarg, HEX_DUMP);
+ break;
case 'w':
do_dump++;
if (optarg == 0)
do_wide++;
break;
default:
+#ifdef SUPPORT_DISASSEMBLY
oops:
+#endif
/* xgettext:c-format */
error (_("Invalid option '-%c'\n"), c);
/* Drop through. */
case '?':
- usage ();
+ usage (stderr);
}
}
&& !do_segments && !do_header && !do_dump && !do_version
&& !do_histogram && !do_debugging && !do_arch && !do_notes
&& !do_section_groups)
- usage ();
+ usage (stderr);
else if (argc < 3)
{
warn (_("Nothing to do.\n"));
- usage ();
+ usage (stderr);
}
}
case ELFCLASS32: return "ELF32";
case ELFCLASS64: return "ELF64";
default:
- sprintf (buff, _("<unknown: %x>"), elf_class);
+ snprintf (buff, sizeof (buff), _("<unknown: %x>"), elf_class);
return buff;
}
}
case ELFDATA2LSB: return _("2's complement, little endian");
case ELFDATA2MSB: return _("2's complement, big endian");
default:
- sprintf (buff, _("<unknown: %x>"), encoding);
+ snprintf (buff, sizeof (buff), _("<unknown: %x>"), encoding);
return buff;
}
}
(long) elf_header.e_shstrndx);
if (section_headers != NULL && elf_header.e_shstrndx == SHN_XINDEX)
printf (" (%ld)", (long) section_headers[0].sh_link);
+ else if (elf_header.e_shstrndx != SHN_UNDEF
+ && (elf_header.e_shstrndx >= elf_header.e_shnum
+ || (elf_header.e_shstrndx >= SHN_LORESERVE
+ && elf_header.e_shstrndx <= SHN_HIRESERVE)))
+ printf (" <corrupt: out of range>");
putc ('\n', stdout);
}
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;
+ else if (elf_header.e_shstrndx != SHN_UNDEF
+ && (elf_header.e_shstrndx >= elf_header.e_shnum
+ || (elf_header.e_shstrndx >= SHN_LORESERVE
+ && elf_header.e_shstrndx <= SHN_HIRESERVE)))
+ elf_header.e_shstrndx = SHN_UNDEF;
free (section_headers);
section_headers = NULL;
}
unsigned int i;
phdrs = get_data (NULL, file, elf_header.e_phoff,
- elf_header.e_phentsize * elf_header.e_phnum,
+ elf_header.e_phentsize, elf_header.e_phnum,
_("program headers"));
if (!phdrs)
return 0;
unsigned int i;
phdrs = get_data (NULL, file, elf_header.e_phoff,
- elf_header.e_phentsize * elf_header.e_phnum,
+ elf_header.e_phentsize, elf_header.e_phnum,
_("program headers"));
if (!phdrs)
return 0;
{
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);
+ 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_align = BYTE_GET (external->p_align);
}
free (phdrs);
if (program_headers != NULL)
return 1;
- phdrs = malloc (elf_header.e_phnum * sizeof (Elf_Internal_Phdr));
+ phdrs = cmalloc (elf_header.e_phnum, sizeof (Elf_Internal_Phdr));
if (phdrs == NULL)
{
error (_("Unable to find program interpreter name\n"));
else
{
+ char fmt [32];
+ int ret = snprintf (fmt, sizeof (fmt), "%%%ds", PATH_MAX);
+
+ if (ret >= (int) sizeof (fmt) || ret < 0)
+ error (_("Internal error: failed to create format string to display program interpreter"));
+
program_interpreter[0] = 0;
- fscanf (file, "%63s", program_interpreter);
+ if (fscanf (file, fmt, program_interpreter) <= 0)
+ error (_("Unable to read program interpreter name\n"));
if (do_segments)
printf (_("\n [Requesting program interpreter: %s]"),
putc ('\n', stdout);
}
- if (do_segments && section_headers != NULL)
+ if (do_segments && section_headers != NULL && string_table != 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;
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)))
- /* .tbss is special. It doesn't contribute memory space
- to normal segments. */
- && (!((section->sh_flags & SHF_TLS) != 0
- && section->sh_type == SHT_NOBITS)
- || segment->p_type == PT_TLS))
+ if (ELF_IS_SECTION_IN_SEGMENT_MEMORY(section, segment))
printf ("%s ", SECTION_NAME (section));
}
unsigned int i;
shdrs = get_data (NULL, file, elf_header.e_shoff,
- elf_header.e_shentsize * num, _("section headers"));
+ elf_header.e_shentsize, num, _("section headers"));
if (!shdrs)
return 0;
- section_headers = malloc (num * sizeof (Elf_Internal_Shdr));
+ section_headers = cmalloc (num, sizeof (Elf_Internal_Shdr));
if (section_headers == NULL)
{
unsigned int i;
shdrs = get_data (NULL, file, elf_header.e_shoff,
- elf_header.e_shentsize * num, _("section headers"));
+ elf_header.e_shentsize, num, _("section headers"));
if (!shdrs)
return 0;
- section_headers = malloc (num * sizeof (Elf_Internal_Shdr));
+ section_headers = cmalloc (num, sizeof (Elf_Internal_Shdr));
if (section_headers == NULL)
{
{
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_flags = BYTE_GET (shdrs[i].sh_flags);
+ internal->sh_addr = BYTE_GET (shdrs[i].sh_addr);
+ internal->sh_size = BYTE_GET (shdrs[i].sh_size);
+ internal->sh_entsize = BYTE_GET (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);
Elf_Internal_Sym *psym;
unsigned int j;
- esyms = get_data (NULL, file, section->sh_offset, section->sh_size,
+ esyms = get_data (NULL, file, section->sh_offset, 1, section->sh_size,
_("symbols"));
if (!esyms)
return NULL;
== (unsigned long) SECTION_HEADER_NUM (section - section_headers)))
{
shndx = get_data (NULL, file, symtab_shndx_hdr->sh_offset,
- symtab_shndx_hdr->sh_size, _("symtab shndx"));
+ 1, symtab_shndx_hdr->sh_size, _("symtab shndx"));
if (!shndx)
{
free (esyms);
}
number = section->sh_size / section->sh_entsize;
- isyms = malloc (number * sizeof (Elf_Internal_Sym));
+ isyms = cmalloc (number, sizeof (Elf_Internal_Sym));
if (isyms == NULL)
{
Elf_Internal_Sym *psym;
unsigned int j;
- esyms = get_data (NULL, file, section->sh_offset, section->sh_size,
+ esyms = get_data (NULL, file, section->sh_offset, 1, section->sh_size,
_("symbols"));
if (!esyms)
return NULL;
== (unsigned long) SECTION_HEADER_NUM (section - section_headers)))
{
shndx = get_data (NULL, file, symtab_shndx_hdr->sh_offset,
- symtab_shndx_hdr->sh_size, _("symtab shndx"));
+ 1, symtab_shndx_hdr->sh_size, _("symtab shndx"));
if (!shndx)
{
free (esyms);
}
number = section->sh_size / section->sh_entsize;
- isyms = malloc (number * sizeof (Elf_Internal_Sym));
+ isyms = cmalloc (number, sizeof (Elf_Internal_Sym));
if (isyms == NULL)
{
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);
+ psym->st_value = BYTE_GET (esyms[j].st_value);
+ psym->st_size = BYTE_GET (esyms[j].st_size);
}
if (shndx)
static const char *
get_elf_section_flags (bfd_vma sh_flags)
{
- static char buff[32];
+ static char buff[1024];
+ char *p = buff;
+ int field_size = is_32bit_elf ? 8 : 16;
+ int index, size = sizeof (buff) - (field_size + 4 + 1);
+ bfd_vma os_flags = 0;
+ bfd_vma proc_flags = 0;
+ bfd_vma unknown_flags = 0;
+ const struct
+ {
+ const char *str;
+ int len;
+ }
+ flags [] =
+ {
+ { "WRITE", 5 },
+ { "ALLOC", 5 },
+ { "EXEC", 4 },
+ { "MERGE", 5 },
+ { "STRINGS", 7 },
+ { "INFO LINK", 9 },
+ { "LINK ORDER", 10 },
+ { "OS NONCONF", 10 },
+ { "GROUP", 5 },
+ { "TLS", 3 }
+ };
- *buff = 0;
+ if (do_section_details)
+ {
+ sprintf (buff, "[%*.*lx]: ",
+ field_size, field_size, (unsigned long) sh_flags);
+ p += field_size + 4;
+ }
while (sh_flags)
{
flag = sh_flags & - sh_flags;
sh_flags &= ~ flag;
- switch (flag)
+ if (do_section_details)
{
- 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;
+ switch (flag)
+ {
+ case SHF_WRITE: index = 0; break;
+ case SHF_ALLOC: index = 1; break;
+ case SHF_EXECINSTR: index = 2; break;
+ case SHF_MERGE: index = 3; break;
+ case SHF_STRINGS: index = 4; break;
+ case SHF_INFO_LINK: index = 5; break;
+ case SHF_LINK_ORDER: index = 6; break;
+ case SHF_OS_NONCONFORMING: index = 7; break;
+ case SHF_GROUP: index = 8; break;
+ case SHF_TLS: index = 9; break;
- default:
- if (flag & SHF_MASKOS)
+ default:
+ index = -1;
+ break;
+ }
+
+ if (index != -1)
{
- strcat (buff, "o");
- sh_flags &= ~ SHF_MASKOS;
+ if (p != buff + field_size + 4)
+ {
+ if (size < (10 + 2))
+ abort ();
+ size -= 2;
+ *p++ = ',';
+ *p++ = ' ';
+ }
+
+ size -= flags [index].len;
+ p = stpcpy (p, flags [index].str);
}
+ else if (flag & SHF_MASKOS)
+ os_flags |= flag;
else if (flag & SHF_MASKPROC)
+ proc_flags |= flag;
+ else
+ unknown_flags |= flag;
+ }
+ else
+ {
+ switch (flag)
{
- strcat (buff, "p");
- sh_flags &= ~ SHF_MASKPROC;
+ case SHF_WRITE: *p = 'W'; break;
+ case SHF_ALLOC: *p = 'A'; break;
+ case SHF_EXECINSTR: *p = 'X'; break;
+ case SHF_MERGE: *p = 'M'; break;
+ case SHF_STRINGS: *p = 'S'; break;
+ case SHF_INFO_LINK: *p = 'I'; break;
+ case SHF_LINK_ORDER: *p = 'L'; break;
+ case SHF_OS_NONCONFORMING: *p = 'O'; break;
+ case SHF_GROUP: *p = 'G'; break;
+ case SHF_TLS: *p = 'T'; break;
+
+ default:
+ if (elf_header.e_machine == EM_X86_64
+ && flag == SHF_X86_64_LARGE)
+ *p = 'l';
+ else if (flag & SHF_MASKOS)
+ {
+ *p = 'o';
+ sh_flags &= ~ SHF_MASKOS;
+ }
+ else if (flag & SHF_MASKPROC)
+ {
+ *p = 'p';
+ sh_flags &= ~ SHF_MASKPROC;
+ }
+ else
+ *p = 'x';
+ break;
}
- else
- strcat (buff, "x");
- break;
+ p++;
+ }
+ }
+
+ if (do_section_details)
+ {
+ if (os_flags)
+ {
+ size -= 5 + field_size;
+ if (p != buff + field_size + 4)
+ {
+ if (size < (2 + 1))
+ abort ();
+ size -= 2;
+ *p++ = ',';
+ *p++ = ' ';
+ }
+ sprintf (p, "OS (%*.*lx)", field_size, field_size,
+ (unsigned long) os_flags);
+ p += 5 + field_size;
+ }
+ if (proc_flags)
+ {
+ size -= 7 + field_size;
+ if (p != buff + field_size + 4)
+ {
+ if (size < (2 + 1))
+ abort ();
+ size -= 2;
+ *p++ = ',';
+ *p++ = ' ';
+ }
+ sprintf (p, "PROC (%*.*lx)", field_size, field_size,
+ (unsigned long) proc_flags);
+ p += 7 + field_size;
+ }
+ if (unknown_flags)
+ {
+ size -= 10 + field_size;
+ if (p != buff + field_size + 4)
+ {
+ if (size < (2 + 1))
+ abort ();
+ size -= 2;
+ *p++ = ',';
+ *p++ = ' ';
+ }
+ sprintf (p, "UNKNOWN (%*.*lx)", field_size, field_size,
+ (unsigned long) unknown_flags);
+ p += 10 + field_size;
}
}
+ *p = '\0';
return buff;
}
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)
+ if (elf_header.e_shstrndx != SHN_UNDEF
+ && SECTION_HEADER_INDEX (elf_header.e_shstrndx) < elf_header.e_shnum)
{
- string_table = get_data (NULL, file, section->sh_offset,
- section->sh_size, _("string table"));
+ section = SECTION_HEADER (elf_header.e_shstrndx);
- if (string_table == NULL)
- return 0;
+ if (section->sh_size != 0)
+ {
+ string_table = get_data (NULL, file, section->sh_offset,
+ 1, section->sh_size, _("string table"));
- string_table_length = section->sh_size;
+ string_table_length = string_table != NULL ? section->sh_size : 0;
+ }
}
/* Scan the sections for the dynamic symbol table
&& find_section (".gcc_compiled_long32") == NULL)
eh_addr_size = 8;
break;
- }
+
+ case EM_H8_300:
+ case EM_H8_300H:
+ switch (elf_header.e_flags & EF_H8_MACH)
+ {
+ case E_H8_MACH_H8300:
+ case E_H8_MACH_H8300HN:
+ case E_H8_MACH_H8300SN:
+ case E_H8_MACH_H8300SXN:
+ eh_addr_size = 2;
+ break;
+ case E_H8_MACH_H8300H:
+ case E_H8_MACH_H8300S:
+ case E_H8_MACH_H8300SX:
+ eh_addr_size = 4;
+ break;
+ }
+ }
+
+#define CHECK_ENTSIZE_VALUES(section, i, size32, size64) \
+ do \
+ { \
+ size_t expected_entsize \
+ = is_32bit_elf ? size32 : size64; \
+ if (section->sh_entsize != expected_entsize) \
+ error (_("Section %d has invalid sh_entsize %lx (expected %lx)\n"), \
+ i, (unsigned long int) section->sh_entsize, \
+ (unsigned long int) expected_entsize); \
+ section->sh_entsize = expected_entsize; \
+ } \
+ while (0)
+#define CHECK_ENTSIZE(section, i, type) \
+ CHECK_ENTSIZE_VALUES (section, i, sizeof (Elf32_External_##type), \
+ sizeof (Elf64_External_##type))
for (i = 0, section = section_headers;
i < elf_header.e_shnum;
continue;
}
+ CHECK_ENTSIZE (section, i, Sym);
num_dynamic_syms = section->sh_size / section->sh_entsize;
dynamic_symbols = GET_ELF_SYMBOLS (file, section);
}
}
dynamic_strings = get_data (NULL, file, section->sh_offset,
- section->sh_size, _("dynamic strings"));
+ 1, section->sh_size, _("dynamic strings"));
dynamic_strings_length = section->sh_size;
}
else if (section->sh_type == SHT_SYMTAB_SHNDX)
}
symtab_shndx_hdr = section;
}
+ else if (section->sh_type == SHT_SYMTAB)
+ CHECK_ENTSIZE (section, i, Sym);
+ else if (section->sh_type == SHT_GROUP)
+ CHECK_ENTSIZE_VALUES (section, i, GRP_ENTRY_SIZE, GRP_ENTRY_SIZE);
+ else if (section->sh_type == SHT_REL)
+ CHECK_ENTSIZE (section, i, Rel);
+ else if (section->sh_type == SHT_RELA)
+ CHECK_ENTSIZE (section, i, Rela);
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 || do_debug_ranges)
- && strneq (name, ".debug_", 7))
+ && const_strneq (name, ".debug_"))
{
name += 7;
}
/* linkonce section to be combined with .debug_info at link time. */
else if ((do_debugging || do_debug_info)
- && strneq (name, ".gnu.linkonce.wi.", 17))
+ && const_strneq (name, ".gnu.linkonce.wi."))
request_dump (i, DEBUG_DUMP);
else if (do_debug_frames && streq (name, ".eh_frame"))
request_dump (i, DEBUG_DUMP);
printf (_("\nSection Header:\n"));
if (is_32bit_elf)
- printf
- (_(" [Nr] Name Type Addr Off Size ES Flg Lk Inf Al\n"));
+ {
+ if (do_section_details)
+ {
+ printf (_(" [Nr] Name\n"));
+ printf (_(" Type Addr Off Size ES Lk Inf Al\n"));
+ }
+ else
+ 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"));
+ {
+ if (do_section_details)
+ {
+ printf (_(" [Nr] Name\n"));
+ printf (_(" Type Address Off Size ES Lk Inf Al\n"));
+ }
+ else
+ 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"));
+ if (do_section_details)
+ {
+ printf (_(" [Nr] Name\n"));
+ printf (_(" Type Address Offset Link\n"));
+ printf (_(" Size EntSize Info Align\n"));
+ }
+ else
+ {
+ printf (_(" [Nr] Name Type Address Offset\n"));
+ printf (_(" Size EntSize Flags Link Info Align\n"));
+ }
}
+ if (do_section_details)
+ printf (_(" Flags\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 (do_section_details)
+ {
+ printf (" [%2u] %s\n",
+ SECTION_HEADER_NUM (i),
+ SECTION_NAME (section));
+ if (is_32bit_elf || do_wide)
+ printf (" %-15.15s ",
+ get_section_type_name (section->sh_type));
+ }
+ else
+ printf (" [%2u] %-17.17s %-15.15s ",
+ SECTION_HEADER_NUM (i),
+ SECTION_NAME (section),
+ get_section_type_name (section->sh_type));
if (is_32bit_elf)
{
(unsigned long) section->sh_size,
(unsigned long) section->sh_entsize);
- printf (" %3s ", get_elf_section_flags (section->sh_flags));
+ if (do_section_details)
+ fputs (" ", stdout);
+ else
+ printf (" %3s ", get_elf_section_flags (section->sh_flags));
printf ("%2ld %3lu %2ld\n",
(unsigned long) section->sh_link,
print_vma (section->sh_entsize, LONG_HEX);
}
- printf (" %3s ", get_elf_section_flags (section->sh_flags));
+ if (do_section_details)
+ fputs (" ", stdout);
+ else
+ printf (" %3s ", get_elf_section_flags (section->sh_flags));
printf ("%2ld %3lu ",
(unsigned long) section->sh_link,
putchar ('\n');
}
}
+ else if (do_section_details)
+ {
+ printf (" %-15.15s ",
+ get_section_type_name (section->sh_type));
+ print_vma (section->sh_addr, LONG_HEX);
+ if ((long) section->sh_offset == section->sh_offset)
+ printf (" %16.16lx", (unsigned long) section->sh_offset);
+ else
+ {
+ printf (" ");
+ print_vma (section->sh_offset, LONG_HEX);
+ }
+ printf (" %ld\n ", (unsigned long) section->sh_link);
+ print_vma (section->sh_size, LONG_HEX);
+ putchar (' ');
+ print_vma (section->sh_entsize, LONG_HEX);
+
+ printf (" %-16lu %ld\n",
+ (unsigned long) section->sh_info,
+ (unsigned long) section->sh_addralign);
+ }
else
{
putchar (' ');
(unsigned long) section->sh_info,
(unsigned long) section->sh_addralign);
}
+
+ if (do_section_details)
+ printf (" %s\n", get_elf_section_flags (section->sh_flags));
}
- printf (_("Key to Flags:\n\
+ if (!do_section_details)
+ 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 "COMDAT";
default:
- sprintf (buff, _("[<unknown>: 0x%x]"), flags);
+ snprintf (buff, sizeof (buff), _("[<unknown>: 0x%x]"), flags);
break;
}
return buff;
Elf_Internal_Shdr *symtab_sec, *strtab_sec;
Elf_Internal_Sym *symtab;
char *strtab;
+ size_t strtab_size;
/* Don't process section groups unless needed. */
if (!do_unwind && !do_section_groups)
strtab_sec = NULL;
symtab = NULL;
strtab = NULL;
+ strtab_size = 0;
for (i = 0, section = section_headers, group = section_groups;
i < elf_header.e_shnum;
i++, section++)
if (section->sh_type == SHT_GROUP)
{
char *name = SECTION_NAME (section);
- char *group_name, *start, *indices;
+ char *group_name;
+ unsigned char *start, *indices;
unsigned int entry, j, size;
Elf_Internal_Shdr *sec;
Elf_Internal_Sym *sym;
/* Get the symbol table. */
- sec = SECTION_HEADER (section->sh_link);
- if (sec->sh_type != SHT_SYMTAB)
+ if (SECTION_HEADER_INDEX (section->sh_link) >= elf_header.e_shnum
+ || ((sec = SECTION_HEADER (section->sh_link))->sh_type
+ != SHT_SYMTAB))
{
error (_("Bad sh_link in group section `%s'\n"), name);
continue;
}
group_name = SECTION_NAME (section_headers + sec_index);
+ strtab_sec = NULL;
+ if (strtab)
+ free (strtab);
strtab = NULL;
+ strtab_size = 0;
}
else
{
/* Get the string table. */
- sec = SECTION_HEADER (symtab_sec->sh_link);
- if (strtab_sec != sec)
+ if (SECTION_HEADER_INDEX (symtab_sec->sh_link)
+ >= elf_header.e_shnum)
+ {
+ strtab_sec = NULL;
+ if (strtab)
+ free (strtab);
+ strtab = NULL;
+ strtab_size = 0;
+ }
+ else if (strtab_sec
+ != (sec = SECTION_HEADER (symtab_sec->sh_link)))
{
strtab_sec = sec;
if (strtab)
free (strtab);
strtab = get_data (NULL, file, strtab_sec->sh_offset,
- strtab_sec->sh_size,
+ 1, strtab_sec->sh_size,
_("string table"));
+ strtab_size = strtab != NULL ? strtab_sec->sh_size : 0;
}
- group_name = strtab + sym->st_name;
+ group_name = sym->st_name < strtab_size
+ ? strtab + sym->st_name : "<corrupt>";
}
start = get_data (NULL, file, section->sh_offset,
- section->sh_size, _("section data"));
+ 1, section->sh_size, _("section data"));
indices = start;
size = (section->sh_size / section->sh_entsize) - 1;
if (do_section_groups)
{
- printf ("\n%s group section `%s' [%s] contains %u sections:\n",
- get_group_flags (entry), name, group_name, size);
+ printf ("\n%s group section [%5u] `%s' [%s] contains %u sections:\n",
+ get_group_flags (entry), i, name, group_name, size);
printf (_(" [Index] Name\n"));
}
entry = byte_get (indices, 4);
indices += 4;
+ if (SECTION_HEADER_INDEX (entry) >= elf_header.e_shnum)
+ {
+ error (_("section [%5u] in group section [%5u] > maximum section [%5u]\n"),
+ entry, i, elf_header.e_shnum - 1);
+ continue;
+ }
+ else if (entry >= SHN_LORESERVE && entry <= SHN_HIRESERVE)
+ {
+ error (_("invalid section [%5u] in group section [%5u]\n"),
+ entry, i);
+ continue;
+ }
+
if (section_headers_groups [SECTION_HEADER_INDEX (entry)]
!= NULL)
{
if (entry)
{
- error (_("section [%5u] already in group section [%5u]\n"),
- entry,
+ error (_("section [%5u] in group section [%5u] already in group section [%5u]\n"),
+ entry, i,
section_headers_groups [SECTION_HEADER_INDEX (entry)]->group_index);
continue;
}
if (do_section_groups)
{
sec = SECTION_HEADER (entry);
- printf (" [%5u] %s\n",
- entry, SECTION_NAME (sec));
+ printf (" [%5u] %s\n", entry, SECTION_NAME (sec));
}
g = xmalloc (sizeof (struct group_list));
return 1;
}
-struct
+static struct
{
const char *name;
int reloc;
is_rela = section->sh_type == SHT_RELA;
- if (section->sh_link)
+ if (section->sh_link
+ && SECTION_HEADER_INDEX (section->sh_link)
+ < elf_header.e_shnum)
{
Elf_Internal_Shdr *symsec;
Elf_Internal_Sym *symtab;
unsigned long nsyms;
- unsigned long strtablen;
+ unsigned long strtablen = 0;
char *strtab = NULL;
symsec = SECTION_HEADER (section->sh_link);
+ if (symsec->sh_type != SHT_SYMTAB
+ && symsec->sh_type != SHT_DYNSYM)
+ continue;
+
nsyms = symsec->sh_size / symsec->sh_entsize;
symtab = GET_ELF_SYMBOLS (file, symsec);
if (symtab == NULL)
continue;
- strsec = SECTION_HEADER (symsec->sh_link);
+ if (SECTION_HEADER_INDEX (symsec->sh_link)
+ < elf_header.e_shnum)
+ {
+ strsec = SECTION_HEADER (symsec->sh_link);
- strtab = get_data (NULL, file, strsec->sh_offset,
- strsec->sh_size, _("string table"));
- strtablen = strtab == NULL ? 0 : strsec->sh_size;
+ strtab = get_data (NULL, file, strsec->sh_offset,
+ 1, strsec->sh_size,
+ _("string table"));
+ strtablen = strtab == NULL ? 0 : strsec->sh_size;
+ }
dump_relocations (file, rel_offset, rel_size,
symtab, nsyms, strtab, strtablen, is_rela);
bfd_vma offset;
};
+#define ABSADDR(a) \
+ ((a).section \
+ ? section_headers [(a).section].sh_addr + (a).offset \
+ : (a).offset)
+
struct ia64_unw_aux_info
{
struct ia64_unw_table_entry
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);
+ head = aux->info + (ABSADDR (tp->info) - aux->info_addr);
+ stamp = byte_get ((unsigned char *) head, sizeof (stamp));
printf (" v%u, flags=0x%lx (%s%s), len=%lu bytes\n",
(unsigned) UNW_VER (stamp),
/* Second, build the unwind table from the contents of the unwind section: */
size = sec->sh_size;
- table = get_data (NULL, file, sec->sh_offset, size, _("unwind table"));
+ table = get_data (NULL, file, sec->sh_offset, 1, size, _("unwind table"));
if (!table)
return 0;
- aux->table = xmalloc (size / (3 * eh_addr_size) * sizeof (aux->table[0]));
+ aux->table = xcmalloc (size / (3 * eh_addr_size), sizeof (aux->table[0]));
tep = aux->table;
for (tp = table; tp < table + size; tp += 3 * eh_addr_size, ++tep)
{
}
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 = BYTE_GET ((unsigned char *) tp + 0);
+ tep->end.offset = BYTE_GET ((unsigned char *) tp + 8);
+ tep->info.offset = BYTE_GET ((unsigned char *) tp + 16);
}
tep->start.offset += aux->seg_base;
tep->end.offset += aux->seg_base;
++relsec)
{
if (relsec->sh_type != SHT_RELA
+ || SECTION_HEADER_INDEX (relsec->sh_info) >= elf_header.e_shnum
|| SECTION_HEADER (relsec->sh_info) != sec)
continue;
sym = aux->symtab + ELF64_R_SYM (rp->r_info);
}
- if (! strneq (relname, "R_IA64_SEGREL", 13))
+ if (! const_strneq (relname, "R_IA64_SEGREL"))
{
warn (_("Skipping unexpected relocation type %s\n"), relname);
continue;
for (i = 0, sec = section_headers; i < elf_header.e_shnum; ++i, ++sec)
{
- if (sec->sh_type == SHT_SYMTAB)
+ if (sec->sh_type == SHT_SYMTAB
+ && SECTION_HEADER_INDEX (sec->sh_link) < elf_header.e_shnum)
{
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 = get_data (NULL, file, strsec->sh_offset,
- aux.strtab_size, _("string table"));
+ 1, strsec->sh_size, _("string table"));
+ aux.strtab_size = aux.strtab != NULL ? strsec->sh_size : 0;
}
else if (sec->sh_type == SHT_IA_64_UNWIND)
unwcount++;
{
aux.info_size = sec->sh_size;
aux.info_addr = sec->sh_addr;
- aux.info = get_data (NULL, file, sec->sh_offset, aux.info_size,
+ aux.info = get_data (NULL, file, sec->sh_offset, 1, aux.info_size,
_("unwind info"));
printf (_("\nUnwind section "));
struct hppa_unw_aux_info *aux,
Elf_Internal_Shdr *sec)
{
- unsigned long size, unw_ent_size, nrelas, i;
+ unsigned long size, unw_ent_size, nentries, nrelas, i;
Elf_Internal_Phdr *seg;
struct hppa_unw_table_entry *tep;
Elf_Internal_Shdr *relsec;
/* Second, build the unwind table from the contents of the unwind
section. */
size = sec->sh_size;
- table = get_data (NULL, file, sec->sh_offset, size, _("unwind table"));
+ table = get_data (NULL, file, sec->sh_offset, 1, size, _("unwind table"));
if (!table)
return 0;
- unw_ent_size = 2 * eh_addr_size + 8;
+ unw_ent_size = 16;
+ nentries = size / unw_ent_size;
+ size = unw_ent_size * nentries;
- tep = aux->table = xmalloc (size / unw_ent_size * sizeof (aux->table[0]));
+ tep = aux->table = xcmalloc (nentries, sizeof (aux->table[0]));
- for (tp = table; tp < table + size; tp += (2 * eh_addr_size + 8), ++tep)
+ for (tp = table; tp < table + size; tp += unw_ent_size, ++tep)
{
unsigned int tmp1, tmp2;
tep->start.section = SHN_UNDEF;
tep->end.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);
- tmp1 = byte_get ((unsigned char *) tp + 8, 4);
- tmp2 = byte_get ((unsigned char *) tp + 12, 4);
- }
- else
- {
- tep->start.offset = BYTE_GET8 ((unsigned char *) tp + 0);
- tep->end.offset = BYTE_GET8 ((unsigned char *) tp + 8);
- tmp1 = byte_get ((unsigned char *) tp + 16, 4);
- tmp2 = byte_get ((unsigned char *) tp + 20, 4);
- }
+ tep->start.offset = byte_get ((unsigned char *) tp + 0, 4);
+ tep->end.offset = byte_get ((unsigned char *) tp + 4, 4);
+ tmp1 = byte_get ((unsigned char *) tp + 8, 4);
+ tmp2 = byte_get ((unsigned char *) tp + 12, 4);
+
+ tep->start.offset += aux->seg_base;
+ tep->end.offset += aux->seg_base;
tep->Cannot_unwind = (tmp1 >> 31) & 0x1;
tep->Millicode = (tmp1 >> 30) & 0x1;
tep->Pseudo_SP_Set = (tmp2 >> 28) & 0x1;
tep->reserved4 = (tmp2 >> 27) & 0x1;
tep->Total_frame_size = tmp2 & 0x7ffffff;
-
- tep->start.offset += aux->seg_base;
- tep->end.offset += aux->seg_base;
}
free (table);
++relsec)
{
if (relsec->sh_type != SHT_RELA
+ || SECTION_HEADER_INDEX (relsec->sh_info) >= elf_header.e_shnum
|| SECTION_HEADER (relsec->sh_info) != sec)
continue;
}
/* R_PARISC_SEGREL32 or R_PARISC_SEGREL64. */
- if (strncmp (relname, "R_PARISC_SEGREL", 15) != 0)
+ if (! const_strneq (relname, "R_PARISC_SEGREL"))
{
warn (_("Skipping unexpected relocation type %s\n"), relname);
continue;
free (rela);
}
- aux->table_len = size / unw_ent_size;
+ aux->table_len = nentries;
return 1;
}
memset (& aux, 0, sizeof (aux));
- assert (string_table != NULL);
+ if (string_table == NULL)
+ return 1;
for (i = 0, sec = section_headers; i < elf_header.e_shnum; ++i, ++sec)
{
- if (sec->sh_type == SHT_SYMTAB)
+ if (sec->sh_type == SHT_SYMTAB
+ && SECTION_HEADER_INDEX (sec->sh_link) < elf_header.e_shnum)
{
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 = get_data (NULL, file, strsec->sh_offset,
- aux.strtab_size, _("string table"));
+ 1, strsec->sh_size, _("string table"));
+ aux.strtab_size = aux.strtab != NULL ? strsec->sh_size : 0;
}
else if (streq (SECTION_NAME (sec), ".PARISC.unwind"))
unwsec = sec;
time_t time = entry->d_un.d_val;
tmp = gmtime (&time);
- sprintf (timebuf, "%04u-%02u-%02uT%02u:%02u:%02u",
- tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
- tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+ snprintf (timebuf, sizeof (timebuf), "%04u-%02u-%02uT%02u:%02u:%02u",
+ tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
+ tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
printf ("Time Stamp: %s\n", timebuf);
}
break;
{ DT_HP_BIND_RESTRICTED, "HP_BIND_RESTRICTED" },
{ DT_HP_BIND_SYMBOLIC, "HP_BIND_SYMBOLIC" },
{ DT_HP_RPATH_FIRST, "HP_RPATH_FIRST" },
- { DT_HP_BIND_DEPTH_FIRST, "HP_BIND_DEPTH_FIRST" }
+ { DT_HP_BIND_DEPTH_FIRST, "HP_BIND_DEPTH_FIRST" },
+ { DT_HP_GST, "HP_GST" },
+ { DT_HP_SHLIB_FIXED, "HP_SHLIB_FIXED" },
+ { DT_HP_MERGE_SHLIB_SEG, "HP_MERGE_SHLIB_SEG" },
+ { DT_HP_NODELETE, "HP_NODELETE" },
+ { DT_HP_GROUP, "HP_GROUP" },
+ { DT_HP_PROTECT_LINKAGE_TABLE, "HP_PROTECT_LINKAGE_TABLE" }
};
int first = 1;
size_t cnt;
Elf32_External_Dyn *edyn, *ext;
Elf_Internal_Dyn *entry;
- edyn = get_data (NULL, file, dynamic_addr, dynamic_size,
+ edyn = get_data (NULL, file, dynamic_addr, 1, dynamic_size,
_("dynamic section"));
if (!edyn)
return 0;
break;
}
- dynamic_section = malloc (dynamic_nent * sizeof (*entry));
+ dynamic_section = cmalloc (dynamic_nent, sizeof (*entry));
if (dynamic_section == NULL)
{
error (_("Out of memory\n"));
Elf64_External_Dyn *edyn, *ext;
Elf_Internal_Dyn *entry;
- edyn = get_data (NULL, file, dynamic_addr, dynamic_size,
+ edyn = get_data (NULL, file, dynamic_addr, 1, dynamic_size,
_("dynamic section"));
if (!edyn)
return 0;
ext++)
{
dynamic_nent++;
- if (BYTE_GET8 (ext->d_tag) == DT_NULL)
+ if (BYTE_GET (ext->d_tag) == DT_NULL)
break;
}
- dynamic_section = malloc (dynamic_nent * sizeof (*entry));
+ dynamic_section = cmalloc (dynamic_nent, sizeof (*entry));
if (dynamic_section == NULL)
{
error (_("Out of memory\n"));
entry < dynamic_section + dynamic_nent;
ext++, entry++)
{
- entry->d_tag = BYTE_GET8 (ext->d_tag);
- entry->d_un.d_val = BYTE_GET8 (ext->d_un.d_val);
+ entry->d_tag = BYTE_GET (ext->d_tag);
+ entry->d_un.d_val = BYTE_GET (ext->d_un.d_val);
}
free (edyn);
return 1;
}
-static const char *
-get_dynamic_flags (bfd_vma flags)
+static void
+print_dynamic_flags (bfd_vma flags)
{
- static char buff[128];
- char *p = buff;
+ int first = 1;
- *p = '\0';
while (flags)
{
bfd_vma flag;
flag = flags & - flags;
flags &= ~ flag;
- if (p != buff)
- *p++ = ' ';
+ if (first)
+ first = 0;
+ else
+ putc (' ', stdout);
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;
+ case DF_ORIGIN: fputs ("ORIGIN", stdout); break;
+ case DF_SYMBOLIC: fputs ("SYMBOLIC", stdout); break;
+ case DF_TEXTREL: fputs ("TEXTREL", stdout); break;
+ case DF_BIND_NOW: fputs ("BIND_NOW", stdout); break;
+ case DF_STATIC_TLS: fputs ("STATIC_TLS", stdout); break;
+ default: fputs ("unknown", stdout); break;
}
-
- p = strchr (p, '\0');
}
- return buff;
+ puts ("");
}
/* Parse and display the contents of the dynamic section. */
continue;
}
- dynamic_strings = get_data (NULL, file, offset, str_tab_len,
+ dynamic_strings = get_data (NULL, file, offset, 1, str_tab_len,
_("dynamic string table"));
dynamic_strings_length = str_tab_len;
break;
Elf_Internal_Syminfo *syminfo;
/* There is a syminfo section. Read the data. */
- extsyminfo = get_data (NULL, file, dynamic_syminfo_offset, syminsz,
- _("symbol information"));
+ extsyminfo = get_data (NULL, file, dynamic_syminfo_offset, 1,
+ syminsz, _("symbol information"));
if (!extsyminfo)
return 0;
{
case DT_FLAGS:
if (do_dynamic)
- puts (get_dynamic_flags (entry->d_un.d_val));
+ print_dynamic_flags (entry->d_un.d_val);
break;
case DT_AUXILIARY:
}
break;
+ case DT_GNU_HASH:
+ dynamic_info_DT_GNU_HASH = entry->d_un.d_val;
+ if (do_dynamic)
+ {
+ print_vma (entry->d_un.d_val, PREFIX_HEX);
+ putchar ('\n');
+ }
+ break;
+
default:
if ((entry->d_tag >= DT_VERSYM) && (entry->d_tag <= DT_VERNEEDNUM))
version_info[DT_VERSIONTAGIDX (entry->d_tag)] =
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)));
+ SECTION_HEADER_INDEX (section->sh_link)
+ < elf_header.e_shnum
+ ? SECTION_NAME (SECTION_HEADER (section->sh_link))
+ : "<corrupt>");
- edefs = get_data (NULL, file, section->sh_offset, section->sh_size,
+ edefs = get_data (NULL, file, section->sh_offset, 1,
+ section->sh_size,
_("version definition section"));
if (!edefs)
break;
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)));
+ SECTION_HEADER_INDEX (section->sh_link)
+ < elf_header.e_shnum
+ ? SECTION_NAME (SECTION_HEADER (section->sh_link))
+ : "<corrupt>");
- eneed = get_data (NULL, file, section->sh_offset, section->sh_size,
+ eneed = get_data (NULL, file, section->sh_offset, 1,
+ section->sh_size,
_("version need section"));
if (!eneed)
break;
Elf_Internal_Shdr *string_sec;
long off;
+ if (SECTION_HEADER_INDEX (section->sh_link) >= elf_header.e_shnum)
+ break;
+
link_section = SECTION_HEADER (section->sh_link);
- total = section->sh_size / section->sh_entsize;
+ total = section->sh_size / sizeof (Elf_External_Versym);
+
+ if (SECTION_HEADER_INDEX (link_section->sh_link)
+ >= elf_header.e_shnum)
+ break;
found = 1;
string_sec = SECTION_HEADER (link_section->sh_link);
- strtab = get_data (NULL, file, string_sec->sh_offset,
+ strtab = get_data (NULL, file, string_sec->sh_offset, 1,
string_sec->sh_size, _("version string table"));
if (!strtab)
break;
off = offset_from_vma (file,
version_info[DT_VERSIONTAGIDX (DT_VERSYM)],
total * sizeof (short));
- edata = get_data (NULL, file, off, total * sizeof (short),
+ edata = get_data (NULL, file, off, total, sizeof (short),
_("version symbol data"));
if (!edata)
{
break;
}
- data = malloc (total * sizeof (short));
+ data = cmalloc (total, sizeof (short));
for (cnt = total; cnt --;)
data[cnt] = byte_get (edata + cnt * sizeof (short),
check_def = 1;
check_need = 1;
- if (SECTION_HEADER (symbols[cnt + j].st_shndx)->sh_type
- != SHT_NOBITS)
+ if (SECTION_HEADER_INDEX (symbols[cnt + j].st_shndx)
+ >= elf_header.e_shnum
+ || SECTION_HEADER (symbols[cnt + j].st_shndx)->sh_type
+ != SHT_NOBITS)
{
if (symbols[cnt + j].st_shndx == SHN_UNDEF)
check_def = 0;
Elf_External_Vernaux evna;
unsigned long a_off;
- get_data (&evn, file, offset, sizeof (evn),
+ get_data (&evn, file, offset, sizeof (evn), 1,
_("version need"));
ivn.vn_aux = BYTE_GET (evn.vn_aux);
do
{
get_data (&evna, file, a_off, sizeof (evna),
- _("version need aux (2)"));
+ 1, _("version need aux (2)"));
ivna.vna_next = BYTE_GET (evna.vna_next);
ivna.vna_other = BYTE_GET (evna.vna_other);
do
{
- get_data (&evd, file, offset, sizeof (evd),
+ get_data (&evd, file, offset, sizeof (evd), 1,
_("version def"));
ivd.vd_next = BYTE_GET (evd.vd_next);
get_data (&evda, file,
offset - ivd.vd_next + ivd.vd_aux,
- sizeof (evda), _("version def aux"));
+ sizeof (evda), 1,
+ _("version def aux"));
ivda.vda_name = BYTE_GET (evda.vda_name);
case STB_WEAK: return "WEAK";
default:
if (binding >= STB_LOPROC && binding <= STB_HIPROC)
- sprintf (buff, _("<processor specific>: %d"), binding);
+ snprintf (buff, sizeof (buff), _("<processor specific>: %d"),
+ binding);
else if (binding >= STB_LOOS && binding <= STB_HIOS)
- sprintf (buff, _("<OS specific>: %d"), binding);
+ snprintf (buff, sizeof (buff), _("<OS specific>: %d"), binding);
else
- sprintf (buff, _("<unknown>: %d"), binding);
+ snprintf (buff, sizeof (buff), _("<unknown>: %d"), binding);
return buff;
}
}
case STT_FILE: return "FILE";
case STT_COMMON: return "COMMON";
case STT_TLS: return "TLS";
+ case STT_RELC: return "RELC";
+ case STT_SRELC: return "SRELC";
default:
if (type >= STT_LOPROC && type <= STT_HIPROC)
{
if (elf_header.e_machine == EM_PARISC && type == STT_PARISC_MILLI)
return "PARISC_MILLI";
- s
printf (buff, _("<processor specific>: %d"), type);
+ s
nprintf (buff, sizeof (buff), _("<processor specific>: %d"), type);
}
else if (type >= STT_LOOS && type <= STT_HIOS)
{
return "HP_STUB";
}
- sprintf (buff, _("<OS specific>: %d"), type);
+ snprintf (buff, sizeof (buff), _("<OS specific>: %d"), type);
}
else
- sprintf (buff, _("<unknown>: %d"), type);
+ snprintf (buff, sizeof (buff), _("<unknown>: %d"), type);
return buff;
}
}
}
}
+static const char *
+get_mips_symbol_other (unsigned int other)
+{
+ switch (other)
+ {
+ case STO_OPTIONAL: return "OPTIONAL";
+ case STO_MIPS16: return "MIPS16";
+ default: return NULL;
+ }
+}
+
+static const char *
+get_symbol_other (unsigned int other)
+{
+ const char * result = NULL;
+ static char buff [32];
+
+ if (other == 0)
+ return "";
+
+ switch (elf_header.e_machine)
+ {
+ case EM_MIPS:
+ result = get_mips_symbol_other (other);
+ default:
+ break;
+ }
+
+ if (result)
+ return result;
+
+ snprintf (buff, sizeof buff, _("<other>: %x"), other);
+ return buff;
+}
+
static const char *
get_symbol_index_type (unsigned int type)
{
&& elf_header.e_machine == EM_IA_64
&& elf_header.e_ident[EI_OSABI] == ELFOSABI_HPUX)
return "ANSI_COM";
+ else if (elf_header.e_machine == EM_X86_64
+ && type == SHN_X86_64_LCOMMON)
+ return "LARGE_COM";
+ else if (type == SHN_MIPS_SCOMMON
+ && elf_header.e_machine == EM_MIPS)
+ return "SCOM";
+ else if (type == SHN_MIPS_SUNDEFINED
+ && elf_header.e_machine == EM_MIPS)
+ return "SUND";
else if (type >= SHN_LOPROC && type <= SHN_HIPROC)
sprintf (buff, "PRC[0x%04x]", type);
else if (type >= SHN_LOOS && type <= SHN_HIOS)
return buff;
}
-static int *
-get_dynamic_data (FILE *file, unsigned int number)
+static bfd_vma *
+get_dynamic_data (FILE *file, unsigned int number, unsigned int ent_size)
{
unsigned char *e_data;
- int *i_data;
+ bfd_vma *i_data;
- e_data = malloc (number * 4);
+ e_data = cmalloc (number, ent_size);
if (e_data == NULL)
{
return NULL;
}
- if (fread (e_data, 4, number, file) != number)
+ if (fread (e_data, ent_size, number, file) != number)
{
error (_("Unable to read in dynamic data\n"));
return NULL;
}
- i_data = malloc (number * sizeof (*i_data));
+ i_data = cmalloc (number, sizeof (*i_data));
if (i_data == NULL)
{
}
while (number--)
- i_data[number] = byte_get (e_data + number * 4, 4);
+ i_data[number] = byte_get (e_data + number * ent_size, ent_size);
free (e_data);
process_symbol_table (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;
+ bfd_vma nbuckets = 0;
+ bfd_vma nchains = 0;
+ bfd_vma *buckets = NULL;
+ bfd_vma *chains = NULL;
+ bfd_vma ngnubuckets = 0;
+ bfd_vma *gnubuckets = NULL;
+ bfd_vma *gnuchains = NULL;
if (! do_syms && !do_histogram)
return 1;
if (dynamic_info[DT_HASH] && ((do_using_dynamic && dynamic_strings != NULL)
|| do_histogram))
{
+ unsigned char nb[8];
+ unsigned char nc[8];
+ int hash_ent_size = 4;
+
+ if ((elf_header.e_machine == EM_ALPHA
+ || elf_header.e_machine == EM_S390
+ || elf_header.e_machine == EM_S390_OLD)
+ && elf_header.e_ident[EI_CLASS] == ELFCLASS64)
+ hash_ent_size = 8;
+
if (fseek (file,
(archive_file_offset
+ offset_from_vma (file, dynamic_info[DT_HASH],
return 0;
}
- if (fread (nb, sizeof (nb), 1, file) != 1)
+ if (fread (nb, hash_ent_size, 1, file) != 1)
{
error (_("Failed to read in number of buckets\n"));
return 0;
}
- if (fread (nc, sizeof (nc), 1, file) != 1)
+ if (fread (nc, hash_ent_size, 1, file) != 1)
{
error (_("Failed to read in number of chains\n"));
return 0;
}
- nbuckets = byte_get (nb, 4);
- nchains = byte_get (nc, 4);
+ nbuckets = byte_get (nb, hash_ent_size);
+ nchains = byte_get (nc, hash_ent_size);
- buckets = get_dynamic_data (file, nbuckets);
- chains = get_dynamic_data (file, nchains);
+ buckets = get_dynamic_data (file, nbuckets, hash_ent_size);
+ chains = get_dynamic_data (file, nchains, hash_ent_size);
if (buckets == NULL || chains == NULL)
return 0;
if (do_syms
&& dynamic_info[DT_HASH] && do_using_dynamic && dynamic_strings != NULL)
{
- int hn;
- int si;
+ unsigned long hn;
+ bfd_vma si;
printf (_("\nSymbol table for image:\n"));
if (is_32bit_elf)
for (si = buckets[hn]; si < nchains && si > 0; si = chains[si])
{
Elf_Internal_Sym *psym;
+ int n;
psym = dynamic_symbols + si;
- printf (" %3d %3d: ", si, hn);
+ n = print_vma (si, DEC_5);
+ if (n < 5)
+ fputs (" " + n, stdout);
+ printf (" %3lu: ", hn);
print_vma (psym->st_value, LONG_HEX);
- putchar (' ' );
+ 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)));
+ /* Check to see if any other bits in the st_other field are set.
+ Note - displaying this information disrupts the layout of the
+ table being generated, but for the moment this case is very rare. */
+ if (psym->st_other ^ ELF_ST_VISIBILITY (psym->st_other))
+ printf (" [%s] ", get_symbol_other (psym->st_other ^ ELF_ST_VISIBILITY (psym->st_other)));
printf (" %3.3s ", get_symbol_index_type (psym->st_shndx));
if (VALID_DYNAMIC_NAME (psym->st_name))
print_symbol (25, GET_DYNAMIC_NAME (psym->st_name));
i++, section++)
{
unsigned int si;
- char *strtab;
+ char *strtab = NULL;
+ unsigned long int strtab_size = 0;
Elf_Internal_Sym *symtab;
Elf_Internal_Sym *psym;
continue;
if (section->sh_link == elf_header.e_shstrndx)
- strtab = string_table;
- else
+ {
+ strtab = string_table;
+ strtab_size = string_table_length;
+ }
+ else if (SECTION_HEADER_INDEX (section->sh_link) < elf_header.e_shnum)
{
Elf_Internal_Shdr *string_sec;
string_sec = SECTION_HEADER (section->sh_link);
strtab = get_data (NULL, file, string_sec->sh_offset,
- string_sec->sh_size, _("string table"));
+ 1, string_sec->sh_size, _("string table"));
+ strtab_size = strtab != NULL ? string_sec->sh_size : 0;
}
for (si = 0, psym = symtab;
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)));
+ /* Check to see if any other bits in the st_other field are set.
+ Note - displaying this information disrupts the layout of the
+ table being generated, but for the moment this case is very rare. */
+ if (psym->st_other ^ ELF_ST_VISIBILITY (psym->st_other))
+ printf (" [%s] ", get_symbol_other (psym->st_other ^ ELF_ST_VISIBILITY (psym->st_other)));
printf (" %4s ", get_symbol_index_type (psym->st_shndx));
- print_symbol (25, strtab + psym->st_name);
+ print_symbol (25, psym->st_name < strtab_size
+ ? strtab + psym->st_name : "<corrupt>");
if (section->sh_type == SHT_DYNSYM &&
version_info[DT_VERSIONTAGIDX (DT_VERSYM)] != 0)
sizeof data + si * sizeof (vers_data));
get_data (&data, file, offset + si * sizeof (vers_data),
- sizeof (data), _("version data"));
+ sizeof (data), 1, _("version data"));
vers_data = byte_get (data, 2);
- is_nobits = (SECTION_HEADER (psym->st_shndx)->sh_type
- == SHT_NOBITS);
+ is_nobits = (SECTION_HEADER_INDEX (psym->st_shndx)
+ < elf_header.e_shnum
+ && SECTION_HEADER (psym->st_shndx)->sh_type
+ == SHT_NOBITS);
check_def = (psym->st_shndx != SHN_UNDEF);
{
unsigned long vna_off;
- get_data (&evn, file, offset, sizeof (evn),
+ get_data (&evn, file, offset, sizeof (evn), 1,
_("version need"));
ivn.vn_aux = BYTE_GET (evn.vn_aux);
Elf_External_Vernaux evna;
get_data (&evna, file, vna_off,
- sizeof (evna),
+ sizeof (evna), 1,
_("version need aux (3)"));
ivna.vna_other = BYTE_GET (evna.vna_other);
if (ivna.vna_other == vers_data)
{
printf ("@%s (%d)",
- strtab + ivna.vna_name, ivna.vna_other);
+ ivna.vna_name < strtab_size
+ ? strtab + ivna.vna_name : "<corrupt>",
+ ivna.vna_other);
check_def = 0;
}
else if (! is_nobits)
Elf_External_Verdef evd;
get_data (&evd, file, offset, sizeof (evd),
- _("version def"));
+ 1, _("version def"));
ivd.vd_ndx = BYTE_GET (evd.vd_ndx);
ivd.vd_aux = BYTE_GET (evd.vd_aux);
offset += ivd.vd_aux;
get_data (&evda, file, offset, sizeof (evda),
- _("version def aux"));
+ 1, _("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);
+ ivda.vda_name < strtab_size
+ ? strtab + ivda.vda_name : "<corrupt>");
}
}
}
if (do_histogram && buckets != NULL)
{
- int *lengths;
- int *counts;
- int hn;
- int si;
- int maxlength = 0;
- int nzero_counts = 0;
- int nsyms = 0;
+ unsigned long *lengths;
+ unsigned long *counts;
+ unsigned long hn;
+ bfd_vma si;
+ unsigned long maxlength = 0;
+ unsigned long nzero_counts = 0;
+ unsigned long nsyms = 0;
- printf (_("\nHistogram for bucket list length (total of %d buckets):\n"),
- nbuckets);
+ printf (_("\nHistogram for bucket list length (total of %lu buckets):\n"),
+ (unsigned long) nbuckets);
printf (_(" Length Number %% of total Coverage\n"));
- lengths = calloc (nbuckets, sizeof (int));
+ lengths = calloc (nbuckets, sizeof (*lengths));
if (lengths == NULL)
{
error (_("Out of memory"));
}
for (hn = 0; hn < nbuckets; ++hn)
{
- if (! buckets[hn])
- continue;
-
for (si = buckets[hn]; si > 0 && si < nchains; si = chains[si])
{
++nsyms;
}
}
- counts = calloc (maxlength + 1, sizeof (int));
+ counts = calloc (maxlength + 1, sizeof (*counts));
if (counts == NULL)
{
error (_("Out of memory"));
if (nbuckets > 0)
{
- printf (" 0 %-10d (%5.1f%%)\n",
+ unsigned long i;
+ printf (" 0 %-10lu (%5.1f%%)\n",
counts[0], (counts[0] * 100.0) / nbuckets);
- for (si = 1; si <= maxlength; ++si)
+ for (i = 1; i <= maxlength; ++i)
{
- nzero_counts += counts[si] * si;
- printf ("%7d %-10d (%5.1f%%) %5.1f%%\n",
- si, counts[si], (counts[si] * 100.0) / nbuckets,
+ nzero_counts += counts[i] * i;
+ printf ("%7lu %-10lu (%5.1f%%) %5.1f%%\n",
+ i, counts[i], (counts[i] * 100.0) / nbuckets,
(nzero_counts * 100.0) / nsyms);
}
}
free (chains);
}
+ if (do_histogram && dynamic_info_DT_GNU_HASH)
+ {
+ unsigned char nb[16];
+ bfd_vma i, maxchain = 0xffffffff, symidx, bitmaskwords;
+ unsigned long *lengths;
+ unsigned long *counts;
+ unsigned long hn;
+ unsigned long maxlength = 0;
+ unsigned long nzero_counts = 0;
+ unsigned long nsyms = 0;
+ bfd_vma buckets_vma;
+
+ if (fseek (file,
+ (archive_file_offset
+ + offset_from_vma (file, dynamic_info_DT_GNU_HASH,
+ sizeof nb)),
+ SEEK_SET))
+ {
+ error (_("Unable to seek to start of dynamic information"));
+ return 0;
+ }
+
+ if (fread (nb, 16, 1, file) != 1)
+ {
+ error (_("Failed to read in number of buckets\n"));
+ return 0;
+ }
+
+ ngnubuckets = byte_get (nb, 4);
+ symidx = byte_get (nb + 4, 4);
+ bitmaskwords = byte_get (nb + 8, 4);
+ buckets_vma = dynamic_info_DT_GNU_HASH + 16;
+ if (is_32bit_elf)
+ buckets_vma += bitmaskwords * 4;
+ else
+ buckets_vma += bitmaskwords * 8;
+
+ if (fseek (file,
+ (archive_file_offset
+ + offset_from_vma (file, buckets_vma, 4)),
+ SEEK_SET))
+ {
+ error (_("Unable to seek to start of dynamic information"));
+ return 0;
+ }
+
+ gnubuckets = get_dynamic_data (file, ngnubuckets, 4);
+
+ if (gnubuckets == NULL)
+ return 0;
+
+ for (i = 0; i < ngnubuckets; i++)
+ if (gnubuckets[i] != 0)
+ {
+ if (gnubuckets[i] < symidx)
+ return 0;
+
+ if (maxchain == 0xffffffff || gnubuckets[i] > maxchain)
+ maxchain = gnubuckets[i];
+ }
+
+ if (maxchain == 0xffffffff)
+ return 0;
+
+ maxchain -= symidx;
+
+ if (fseek (file,
+ (archive_file_offset
+ + offset_from_vma (file, buckets_vma
+ + 4 * (ngnubuckets + maxchain), 4)),
+ SEEK_SET))
+ {
+ error (_("Unable to seek to start of dynamic information"));
+ return 0;
+ }
+
+ do
+ {
+ if (fread (nb, 4, 1, file) != 1)
+ {
+ error (_("Failed to determine last chain length\n"));
+ return 0;
+ }
+
+ if (maxchain + 1 == 0)
+ return 0;
+
+ ++maxchain;
+ }
+ while ((byte_get (nb, 4) & 1) == 0);
+
+ if (fseek (file,
+ (archive_file_offset
+ + offset_from_vma (file, buckets_vma + 4 * ngnubuckets, 4)),
+ SEEK_SET))
+ {
+ error (_("Unable to seek to start of dynamic information"));
+ return 0;
+ }
+
+ gnuchains = get_dynamic_data (file, maxchain, 4);
+
+ if (gnuchains == NULL)
+ return 0;
+
+ lengths = calloc (ngnubuckets, sizeof (*lengths));
+ if (lengths == NULL)
+ {
+ error (_("Out of memory"));
+ return 0;
+ }
+
+ printf (_("\nHistogram for `.gnu.hash' bucket list length (total of %lu buckets):\n"),
+ (unsigned long) ngnubuckets);
+ printf (_(" Length Number %% of total Coverage\n"));
+
+ for (hn = 0; hn < ngnubuckets; ++hn)
+ if (gnubuckets[hn] != 0)
+ {
+ bfd_vma off, length = 1;
+
+ for (off = gnubuckets[hn] - symidx;
+ (gnuchains[off] & 1) == 0; ++off)
+ ++length;
+ lengths[hn] = length;
+ if (length > maxlength)
+ maxlength = length;
+ nsyms += length;
+ }
+
+ counts = calloc (maxlength + 1, sizeof (*counts));
+ if (counts == NULL)
+ {
+ error (_("Out of memory"));
+ return 0;
+ }
+
+ for (hn = 0; hn < ngnubuckets; ++hn)
+ ++counts[lengths[hn]];
+
+ if (ngnubuckets > 0)
+ {
+ unsigned long j;
+ printf (" 0 %-10lu (%5.1f%%)\n",
+ counts[0], (counts[0] * 100.0) / ngnubuckets);
+ for (j = 1; j <= maxlength; ++j)
+ {
+ nzero_counts += counts[j] * j;
+ printf ("%7lu %-10lu (%5.1f%%) %5.1f%%\n",
+ j, counts[j], (counts[j] * 100.0) / ngnubuckets,
+ (nzero_counts * 100.0) / nsyms);
+ }
+ }
+
+ free (counts);
+ free (lengths);
+ free (gnubuckets);
+ free (gnuchains);
+ }
+
return 1;
}
static int
dump_section (Elf_Internal_Shdr *section, FILE *file)
{
+ Elf_Internal_Shdr *relsec;
bfd_size_type bytes;
bfd_vma addr;
unsigned char *data;
addr = section->sh_addr;
- start = get_data (NULL, file, section->sh_offset, bytes, _("section data"));
+ start = get_data (NULL, file, section->sh_offset, 1, bytes,
+ _("section data"));
if (!start)
return 0;
+ /* If the section being dumped has relocations against it the user might
+ be expecting these relocations to have been applied. Check for this
+ case and issue a warning message in order to avoid confusion.
+ FIXME: Maybe we ought to have an option that dumps a section with
+ relocs applied ? */
+ for (relsec = section_headers;
+ relsec < section_headers + elf_header.e_shnum;
+ ++relsec)
+ {
+ if (relsec->sh_type != SHT_RELA
+ || SECTION_HEADER_INDEX (relsec->sh_info) >= elf_header.e_shnum
+ || SECTION_HEADER (relsec->sh_info) != section
+ || relsec->sh_size == 0
+ || SECTION_HEADER_INDEX (relsec->sh_link) >= elf_header.e_shnum)
+ continue;
+
+ printf (_(" NOTE: This section has relocations against it, but these have NOT been applied to this dump.\n"));
+ break;
+ }
+
data = start;
while (bytes)
printf (" 0x%8.8lx ", (unsigned long) addr);
- switch (elf_header.e_ident[EI_DATA])
+ for (j = 0; j < 16; j++)
{
- 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 < lbytes)
+ printf ("%2.2x", data[j]);
+ else
+ printf (" ");
- if ((j & 3) == 3)
- printf (" ");
- }
- break;
+ if ((j & 3) == 3)
+ printf (" ");
}
for (j = 0; j < lbytes; j++)
free (start);
+ putchar ('\n');
return 1;
}
+/* Return the number of bytes affected by a given reloc.
+ This information is architecture and reloc dependent.
+ Returns 4 by default, although this is not always correct.
+ It should return 0 if a decision cannot be made.
+ FIXME: This is not the correct way to solve this problem.
+ The proper way is to have target specific reloc sizing functions
+ created by the reloc-macros.h header, in the same way that it
+ already creates the reloc naming functions. */
-static unsigned long int
-read_leb128 (unsigned char *data, int *length_return, int sign)
-{
- unsigned long int result = 0;
- unsigned int num_read = 0;
- unsigned int shift = 0;
- unsigned char byte;
-
- do
- {
- byte = *data++;
- num_read++;
-
- result |= ((unsigned long int) (byte & 0x7f)) << shift;
-
- shift += 7;
-
- }
- while (byte & 0x80);
-
- if (length_return != NULL)
- *length_return = num_read;
-
- if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40))
- result |= -1L << 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 (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 (unsigned char *data, int is_stmt, int pointer_size)
+static unsigned int
+get_reloc_size (Elf_Internal_Rela * reloc)
{
- 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)
+ switch (elf_header.e_machine)
{
- 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;
-
+ case EM_H8S:
+ case EM_H8_300:
+ case EM_H8_300H:
+ case EM_H8_500:
+ switch (ELF32_R_TYPE (reloc->r_info))
+ {
+ /* PR gas/3800 - without this information we do not correctly
+ decode the debug information generated by the h8300 assembler. */
+ case R_H8_DIR16:
+ return 2;
+ default:
+ return 4;
+ }
default:
- printf (_("UNKNOWN: length %d\n"), len - bytes_read);
- break;
- }
-
- return len;
-}
-
-static const char *debug_str_contents;
-static bfd_vma debug_str_size;
-
-static void
-load_debug_str (FILE *file)
-{
- Elf_Internal_Shdr *sec;
-
- /* If it is already loaded, do nothing. */
- if (debug_str_contents != NULL)
- return;
-
- /* Locate the .debug_str section. */
- sec = find_section (".debug_str");
- if (sec == NULL)
- return;
-
- debug_str_size = sec->sh_size;
-
- debug_str_contents = get_data (NULL, file, sec->sh_offset, sec->sh_size,
- _("debug_str section data"));
-}
-
-static void
-free_debug_str (void)
-{
- 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 (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 const char *debug_loc_contents;
-static bfd_vma debug_loc_size;
-
-static void
-load_debug_loc (FILE *file)
-{
- Elf_Internal_Shdr *sec;
-
- /* If it is already loaded, do nothing. */
- if (debug_loc_contents != NULL)
- return;
-
- /* Locate the .debug_loc section. */
- sec = find_section (".debug_loc");
- if (sec == NULL)
- return;
-
- debug_loc_size = sec->sh_size;
-
- debug_loc_contents = get_data (NULL, file, sec->sh_offset, sec->sh_size,
- _("debug_loc section data"));
-}
-
-static void
-free_debug_loc (void)
-{
- if (debug_loc_contents == NULL)
- return;
-
- free ((char *) debug_loc_contents);
- debug_loc_contents = NULL;
- debug_loc_size = 0;
-}
-
-static const char * debug_range_contents;
-static unsigned long debug_range_size;
-
-static void
-load_debug_range (FILE *file)
-{
- Elf_Internal_Shdr *sec;
-
- /* If it is already loaded, do nothing. */
- if (debug_range_contents != NULL)
- return;
-
- /* Locate the .debug_str section. */
- sec = find_section (".debug_ranges");
- if (sec == NULL)
- return;
-
- debug_range_size = sec->sh_size;
-
- debug_range_contents = get_data (NULL, file, sec->sh_offset, sec->sh_size,
- _("debug_range section data"));
-}
-
-static void
-free_debug_range (void)
-{
- if (debug_range_contents == NULL)
- return;
-
- free ((char *) debug_range_contents);
- debug_range_contents = NULL;
- debug_range_size = 0;
-}
-
-/* Apply addends of RELA relocations. */
-
-static int
-debug_apply_rela_addends (FILE *file,
- Elf_Internal_Shdr *section,
- int reloc_size,
- unsigned char *sec_data,
- unsigned char *start,
- unsigned char *end)
-{
- Elf_Internal_Shdr *relsec;
-
- if (end - start < reloc_size)
- return 1;
-
- 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) (start - sec_data)
- && rp->r_offset < (bfd_vma) (end - sec_data) - reloc_size)
- loc = sec_data + 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
- /* Relocations against object symbols can happen,
- eg when referencing a global array. For an
- example of this see the _clz.o binary in libgcc.a. */
- && ELF32_ST_TYPE (sym->st_info) != STT_OBJECT)
- {
- warn (_("%s: skipping unexpected symbol type %s in relocation in section .rela%s\n"),
- get_symbol_type (ELF32_ST_TYPE (sym->st_info)),
- SECTION_NAME (section));
- 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
- && ELF64_ST_TYPE (sym->st_info) != STT_OBJECT)
- {
- warn (_("skipping unexpected symbol type %s in relocation in section .rela.%s\n"),
- get_symbol_type (ELF64_ST_TYPE (sym->st_info)),
- SECTION_NAME (section));
- continue;
- }
- }
-
- byte_put (loc, rp->r_addend, reloc_size);
- }
-
- free (symtab);
- free (rela);
- break;
- }
- return 1;
-}
-
-/* FIXME: There are better and more efficient 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 (void)
-{
- abbrev_entry *abbrev;
-
- for (abbrev = first_abbrev; abbrev;)
- {
- abbrev_entry *next = abbrev->next;
- abbrev_attr *attr;
-
- for (attr = abbrev->first_attr; attr;)
- {
- abbrev_attr *next = attr->next;
-
- free (attr);
- attr = next;
- }
-
- free (abbrev);
- abbrev = next;
- }
-
- last_abbrev = first_abbrev = NULL;
-}
-
-static void
-add_abbrev (unsigned long number, unsigned long tag, int children)
-{
- abbrev_entry *entry;
-
- 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 (unsigned long attribute, unsigned long form)
-{
- abbrev_attr *attr;
-
- 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 (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 char *
-get_TAG_name (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_FORM_name (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;
- }
- }
-}
-
-static unsigned char *
-display_block (unsigned char *data, unsigned long length)
-{
- printf (_(" %lu byte block: "), length);
-
- while (length --)
- printf ("%lx ", (unsigned long) byte_get (data++, 1));
-
- return data;
-}
-
-static int
-decode_location_expression (unsigned char * data,
- unsigned int pointer_size,
- unsigned long length,
- unsigned long cu_offset)
-{
- unsigned op;
- int bytes_read;
- unsigned long uvalue;
- unsigned char *end = data + length;
- int need_frame_base = 0;
-
- while (data < end)
- {
- op = *data++;
-
- switch (op)
- {
- case DW_OP_addr:
- printf ("DW_OP_addr: %lx",
- (unsigned long) byte_get (data, pointer_size));
- data += pointer_size;
- break;
- case DW_OP_deref:
- printf ("DW_OP_deref");
- break;
- case DW_OP_const1u:
- printf ("DW_OP_const1u: %lu", (unsigned long) byte_get (data++, 1));
- break;
- case DW_OP_const1s:
- printf ("DW_OP_const1s: %ld", (long) byte_get_signed (data++, 1));
- break;
- case DW_OP_const2u:
- printf ("DW_OP_const2u: %lu", (unsigned long) byte_get (data, 2));
- data += 2;
- break;
- case DW_OP_const2s:
- printf ("DW_OP_const2s: %ld", (long) byte_get_signed (data, 2));
- data += 2;
- break;
- case DW_OP_const4u:
- printf ("DW_OP_const4u: %lu", (unsigned long) byte_get (data, 4));
- data += 4;
- break;
- case DW_OP_const4s:
- printf ("DW_OP_const4s: %ld", (long) byte_get_signed (data, 4));
- data += 4;
- break;
- case DW_OP_const8u:
- printf ("DW_OP_const8u: %lu %lu", (unsigned long) byte_get (data, 4),
- (unsigned long) byte_get (data + 4, 4));
- data += 8;
- break;
- case DW_OP_const8s:
- printf ("DW_OP_const8s: %ld %ld", (long) byte_get (data, 4),
- (long) byte_get (data + 4, 4));
- data += 8;
- break;
- case DW_OP_constu:
- printf ("DW_OP_constu: %lu", read_leb128 (data, &bytes_read, 0));
- data += bytes_read;
- break;
- case DW_OP_consts:
- printf ("DW_OP_consts: %ld", read_leb128 (data, &bytes_read, 1));
- data += bytes_read;
- break;
- case DW_OP_dup:
- printf ("DW_OP_dup");
- break;
- case DW_OP_drop:
- printf ("DW_OP_drop");
- break;
- case DW_OP_over:
- printf ("DW_OP_over");
- break;
- case DW_OP_pick:
- printf ("DW_OP_pick: %ld", (unsigned long) byte_get (data++, 1));
- break;
- case DW_OP_swap:
- printf ("DW_OP_swap");
- break;
- case DW_OP_rot:
- printf ("DW_OP_rot");
- break;
- case DW_OP_xderef:
- printf ("DW_OP_xderef");
- break;
- case DW_OP_abs:
- printf ("DW_OP_abs");
- break;
- case DW_OP_and:
- printf ("DW_OP_and");
- break;
- case DW_OP_div:
- printf ("DW_OP_div");
- break;
- case DW_OP_minus:
- printf ("DW_OP_minus");
- break;
- case DW_OP_mod:
- printf ("DW_OP_mod");
- break;
- case DW_OP_mul:
- printf ("DW_OP_mul");
- break;
- case DW_OP_neg:
- printf ("DW_OP_neg");
- break;
- case DW_OP_not:
- printf ("DW_OP_not");
- break;
- case DW_OP_or:
- printf ("DW_OP_or");
- break;
- case DW_OP_plus:
- printf ("DW_OP_plus");
- break;
- case DW_OP_plus_uconst:
- printf ("DW_OP_plus_uconst: %lu",
- read_leb128 (data, &bytes_read, 0));
- data += bytes_read;
- break;
- case DW_OP_shl:
- printf ("DW_OP_shl");
- break;
- case DW_OP_shr:
- printf ("DW_OP_shr");
- break;
- case DW_OP_shra:
- printf ("DW_OP_shra");
- break;
- case DW_OP_xor:
- printf ("DW_OP_xor");
- break;
- case DW_OP_bra:
- printf ("DW_OP_bra: %ld", (long) byte_get_signed (data, 2));
- data += 2;
- break;
- case DW_OP_eq:
- printf ("DW_OP_eq");
- break;
- case DW_OP_ge:
- printf ("DW_OP_ge");
- break;
- case DW_OP_gt:
- printf ("DW_OP_gt");
- break;
- case DW_OP_le:
- printf ("DW_OP_le");
- break;
- case DW_OP_lt:
- printf ("DW_OP_lt");
- break;
- case DW_OP_ne:
- printf ("DW_OP_ne");
- break;
- case DW_OP_skip:
- printf ("DW_OP_skip: %ld", (long) byte_get_signed (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:
- 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:
- 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:
- printf ("DW_OP_breg%d: %ld", op - DW_OP_breg0,
- read_leb128 (data, &bytes_read, 1));
- data += bytes_read;
- break;
-
- case DW_OP_regx:
- printf ("DW_OP_regx: %lu", read_leb128 (data, &bytes_read, 0));
- data += bytes_read;
- break;
- case DW_OP_fbreg:
- need_frame_base = 1;
- printf ("DW_OP_fbreg: %ld", read_leb128 (data, &bytes_read, 1));
- data += bytes_read;
- break;
- case DW_OP_bregx:
- 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;
- break;
- case DW_OP_piece:
- printf ("DW_OP_piece: %lu", read_leb128 (data, &bytes_read, 0));
- data += bytes_read;
- break;
- case DW_OP_deref_size:
- printf ("DW_OP_deref_size: %ld", (long) byte_get (data++, 1));
- break;
- case DW_OP_xderef_size:
- printf ("DW_OP_xderef_size: %ld", (long) byte_get (data++, 1));
- break;
- case DW_OP_nop:
- printf ("DW_OP_nop");
- break;
-
- /* DWARF 3 extensions. */
- case DW_OP_push_object_address:
- printf ("DW_OP_push_object_address");
- break;
- case DW_OP_call2:
- /* XXX: Strictly speaking for 64-bit DWARF3 files
- this ought to be an 8-byte wide computation. */
- printf ("DW_OP_call2: <%lx>", (long) byte_get (data, 2) + cu_offset);
- data += 2;
- break;
- case DW_OP_call4:
- /* XXX: Strictly speaking for 64-bit DWARF3 files
- this ought to be an 8-byte wide computation. */
- printf ("DW_OP_call4: <%lx>", (long) byte_get (data, 4) + cu_offset);
- data += 4;
- break;
- case DW_OP_call_ref:
- printf ("DW_OP_call_ref");
- break;
-
- /* GNU extensions. */
- case DW_OP_GNU_push_tls_address:
- 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 need_frame_base;
- }
-
- /* Separate the ops. */
- if (data < end)
- printf ("; ");
- }
-
- return need_frame_base;
-}
-
-/* This structure records the information that
- we extract from the.debug_info section. */
-typedef struct
-{
- unsigned int pointer_size;
- unsigned long cu_offset;
- unsigned long base_address;
- /* This is an array of offsets to the location list table. */
- unsigned long *loc_offsets;
- int *have_frame_base;
- unsigned int num_loc_offsets;
- unsigned int max_loc_offsets;
- unsigned long *range_lists;
- unsigned int num_range_lists;
- unsigned int max_range_lists;
-}
-debug_info;
-
-static debug_info * debug_information = NULL;
-static unsigned int num_debug_info_entries = 0;
-static unsigned int last_pointer_size = 0;
-static int warned_about_missing_comp_units = FALSE;
-
-static unsigned char *
-read_and_display_attr_value (unsigned long attribute,
- unsigned long form,
- unsigned char *data,
- unsigned long cu_offset,
- unsigned long pointer_size,
- unsigned long offset_size,
- int dwarf_version,
- debug_info *debug_info_p,
- int do_loc)
-{
- unsigned long uvalue = 0;
- unsigned char *block_start = NULL;
- int bytes_read;
-
- 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 (!do_loc)
- printf (" %s", get_FORM_name (form));
- return read_and_display_attr_value (attribute, form, data,
- cu_offset, pointer_size,
- offset_size, dwarf_version,
- debug_info_p, do_loc);
- }
-
- switch (form)
- {
- case DW_FORM_ref_addr:
- if (!do_loc)
- printf (" <#%lx>", uvalue);
- break;
-
- case DW_FORM_ref1:
- case DW_FORM_ref2:
- case DW_FORM_ref4:
- case DW_FORM_ref_udata:
- if (!do_loc)
- printf (" <%lx>", uvalue + cu_offset);
- break;
-
- case DW_FORM_data4:
- case DW_FORM_addr:
- if (!do_loc)
- printf (" %#lx", uvalue);
- break;
-
- case DW_FORM_flag:
- case DW_FORM_data1:
- case DW_FORM_data2:
- case DW_FORM_sdata:
- case DW_FORM_udata:
- if (!do_loc)
- printf (" %ld", uvalue);
- break;
-
- case DW_FORM_ref8:
- case DW_FORM_data8:
- if (!do_loc)
- {
- uvalue = byte_get (data, 4);
- printf (" %lx", uvalue);
- printf (" %lx", (unsigned long) byte_get (data + 4, 4));
- }
- if ((do_loc || do_debug_loc || do_debug_ranges)
- && num_debug_info_entries == 0)
- {
- if (sizeof (uvalue) == 8)
- uvalue = byte_get (data, 8);
- else
- error (_("DW_FORM_data8 is unsupported when sizeof (unsigned long) != 8\n"));
- }
- data += 8;
- break;
-
- case DW_FORM_string:
- if (!do_loc)
- 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;
- if (do_loc)
- data = block_start + uvalue;
- else
- data = display_block (block_start, uvalue);
- break;
-
- case DW_FORM_block1:
- uvalue = byte_get (data, 1);
- block_start = data + 1;
- if (do_loc)
- data = block_start + uvalue;
- else
- data = display_block (block_start, uvalue);
- break;
-
- case DW_FORM_block2:
- uvalue = byte_get (data, 2);
- block_start = data + 2;
- if (do_loc)
- data = block_start + uvalue;
- else
- data = display_block (block_start, uvalue);
- break;
-
- case DW_FORM_block4:
- uvalue = byte_get (data, 4);
- block_start = data + 4;
- if (do_loc)
- data = block_start + uvalue;
- else
- data = display_block (block_start, uvalue);
- break;
-
- case DW_FORM_strp:
- if (!do_loc)
- printf (_(" (indirect string, offset: 0x%lx): %s"),
- uvalue, fetch_indirect_string (uvalue));
- break;
-
- case DW_FORM_indirect:
- /* Handled above. */
- break;
-
- default:
- warn (_("Unrecognized form: %d\n"), form);
- break;
- }
-
- /* For some attributes we can display further information. */
- if ((do_loc || do_debug_loc || do_debug_ranges)
- && num_debug_info_entries == 0)
- {
- switch (attribute)
- {
- case DW_AT_frame_base:
- have_frame_base = 1;
- case DW_AT_location:
- case DW_AT_data_member_location:
- 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 (form == DW_FORM_data4 || form == DW_FORM_data8)
- {
- /* Process location list. */
- unsigned int max = debug_info_p->max_loc_offsets;
- unsigned int num = debug_info_p->num_loc_offsets;
-
- if (max == 0 || num >= max)
- {
- max += 1024;
- debug_info_p->loc_offsets
- = xrealloc (debug_info_p->loc_offsets,
- max * sizeof (*debug_info_p->loc_offsets));
- debug_info_p->have_frame_base
- = xrealloc (debug_info_p->have_frame_base,
- max * sizeof (*debug_info_p->have_frame_base));
- debug_info_p->max_loc_offsets = max;
- }
- debug_info_p->loc_offsets [num] = uvalue;
- debug_info_p->have_frame_base [num] = have_frame_base;
- debug_info_p->num_loc_offsets++;
- }
- break;
-
- case DW_AT_low_pc:
- if (need_base_address)
- debug_info_p->base_address = uvalue;
- break;
-
- case DW_AT_ranges:
- if (form == DW_FORM_data4 || form == DW_FORM_data8)
- {
- /* Process range list. */
- unsigned int max = debug_info_p->max_range_lists;
- unsigned int num = debug_info_p->num_range_lists;
-
- if (max == 0 || num >= max)
- {
- max += 1024;
- debug_info_p->range_lists
- = xrealloc (debug_info_p->range_lists,
- max * sizeof (*debug_info_p->range_lists));
- debug_info_p->max_range_lists = max;
- }
- debug_info_p->range_lists [num] = uvalue;
- debug_info_p->num_range_lists++;
- }
- break;
-
- default:
- break;
- }
- }
-
- if (do_loc)
- return data;
-
- printf ("\t");
-
- switch (attribute)
- {
- case DW_AT_inline:
- switch (uvalue)
- {
- case DW_INL_not_inlined:
- printf (_("(not inlined)"));
- break;
- case DW_INL_inlined:
- printf (_("(inlined)"));
- break;
- case DW_INL_declared_not_inlined:
- printf (_("(declared as inline but ignored)"));
- break;
- case DW_INL_declared_inlined:
- printf (_("(declared as inline and inlined)"));
- break;
- default:
- printf (_(" (Unknown inline attribute value: %lx)"), uvalue);
- break;
- }
- break;
-
- case DW_AT_language:
- switch (uvalue)
- {
- case DW_LANG_C: printf ("(non-ANSI C)"); break;
- case DW_LANG_C89: printf ("(ANSI C)"); break;
- case DW_LANG_C_plus_plus: printf ("(C++)"); break;
- case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break;
- case DW_LANG_Fortran90: printf ("(Fortran 90)"); break;
- case DW_LANG_Modula2: printf ("(Modula 2)"); break;
- case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break;
- case DW_LANG_Ada83: printf ("(Ada)"); break;
- case DW_LANG_Cobol74: printf ("(Cobol 74)"); break;
- case DW_LANG_Cobol85: printf ("(Cobol 85)"); break;
- /* DWARF 2.1 values. */
- case DW_LANG_C99: printf ("(ANSI C99)"); break;
- case DW_LANG_Ada95: printf ("(ADA 95)"); break;
- case DW_LANG_Fortran95: printf ("(Fortran 95)"); break;
- /* MIPS extension. */
- case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break;
- /* UPC extension. */
- case DW_LANG_Upc: printf ("(Unified Parallel C)"); break;
- default:
- printf ("(Unknown: %lx)", uvalue);
- break;
- }
- break;
-
- case DW_AT_encoding:
- switch (uvalue)
- {
- case DW_ATE_void: printf ("(void)"); break;
- case DW_ATE_address: printf ("(machine address)"); break;
- case DW_ATE_boolean: printf ("(boolean)"); break;
- case DW_ATE_complex_float: printf ("(complex float)"); break;
- case DW_ATE_float: printf ("(float)"); break;
- case DW_ATE_signed: printf ("(signed)"); break;
- case DW_ATE_signed_char: printf ("(signed char)"); break;
- case DW_ATE_unsigned: printf ("(unsigned)"); break;
- case DW_ATE_unsigned_char: printf ("(unsigned char)"); break;
- /* DWARF 2.1 value. */
- case DW_ATE_imaginary_float: printf ("(imaginary float)"); break;
- default:
- if (uvalue >= DW_ATE_lo_user
- && uvalue <= DW_ATE_hi_user)
- printf ("(user defined type)");
- else
- printf ("(unknown type)");
- break;
- }
- break;
-
- case DW_AT_accessibility:
- switch (uvalue)
- {
- case DW_ACCESS_public: printf ("(public)"); break;
- case DW_ACCESS_protected: printf ("(protected)"); break;
- case DW_ACCESS_private: printf ("(private)"); break;
- default:
- printf ("(unknown accessibility)");
- break;
- }
- break;
-
- case DW_AT_visibility:
- switch (uvalue)
- {
- case DW_VIS_local: printf ("(local)"); break;
- case DW_VIS_exported: printf ("(exported)"); break;
- case DW_VIS_qualified: printf ("(qualified)"); break;
- default: printf ("(unknown visibility)"); break;
- }
- break;
-
- case DW_AT_virtuality:
- switch (uvalue)
- {
- case DW_VIRTUALITY_none: printf ("(none)"); break;
- case DW_VIRTUALITY_virtual: printf ("(virtual)"); break;
- case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break;
- default: printf ("(unknown virtuality)"); break;
- }
- break;
-
- case DW_AT_identifier_case:
- switch (uvalue)
- {
- case DW_ID_case_sensitive: printf ("(case_sensitive)"); break;
- case DW_ID_up_case: printf ("(up_case)"); break;
- case DW_ID_down_case: printf ("(down_case)"); break;
- case DW_ID_case_insensitive: printf ("(case_insensitive)"); break;
- default: printf ("(unknown case)"); break;
- }
- break;
-
- case DW_AT_calling_convention:
- switch (uvalue)
- {
- case DW_CC_normal: printf ("(normal)"); break;
- case DW_CC_program: printf ("(program)"); break;
- case DW_CC_nocall: printf ("(nocall)"); break;
- default:
- if (uvalue >= DW_CC_lo_user
- && uvalue <= DW_CC_hi_user)
- printf ("(user defined)");
- else
- printf ("(unknown convention)");
- }
- break;
-
- case DW_AT_ordering:
- switch (uvalue)
- {
- case -1: printf ("(undefined)"); break;
- case 0: printf ("(row major)"); break;
- case 1: printf ("(column major)"); break;
- }
- break;
-
- case DW_AT_frame_base:
- have_frame_base = 1;
- case DW_AT_location:
- case DW_AT_data_member_location:
- 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)
- {
- int need_frame_base;
-
- printf ("(");
- need_frame_base = decode_location_expression (block_start,
- pointer_size,
- uvalue,
- cu_offset);
- printf (")");
- if (need_frame_base && !have_frame_base)
- printf (_(" [without DW_AT_frame_base]"));
- }
- else if (form == DW_FORM_data4 || form == DW_FORM_data8)
- printf (_("(location list)"));
-
- break;
-
- default:
- break;
- }
-
- return data;
-}
-
-static char *
-get_AT_name (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 unsigned char *
-read_and_display_attr (unsigned long attribute,
- unsigned long form,
- unsigned char *data,
- unsigned long cu_offset,
- unsigned long pointer_size,
- unsigned long offset_size,
- int dwarf_version,
- debug_info *debug_info_p,
- int do_loc)
-{
- if (!do_loc)
- printf (" %-18s:", get_AT_name (attribute));
- data = read_and_display_attr_value (attribute, form, data, cu_offset,
- pointer_size, offset_size,
- dwarf_version, debug_info_p,
- do_loc);
- if (!do_loc)
- printf ("\n");
- return data;
-}
-
-
-/* Process the contents of a .debug_info section. If do_loc is non-zero
- then we are scanning for location lists and we do not want to display
- anything to the user. */
-
-static int
-process_debug_info (Elf_Internal_Shdr *section, unsigned char *start,
- FILE *file, int do_loc)
-{
- unsigned char *end = start + section->sh_size;
- unsigned char *section_begin;
- unsigned int unit;
- unsigned int num_units = 0;
-
- if ((do_loc || do_debug_loc || do_debug_ranges)
- && num_debug_info_entries == 0)
- {
- unsigned long length;
-
- /* First scan the section to get the number of comp units. */
- for (section_begin = start, num_units = 0; section_begin < end;
- num_units ++)
- {
- /* 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. */
- length = byte_get (section_begin, 4);
-
- if (length == 0xffffffff)
- {
- length = byte_get (section_begin + 4, 8);
- section_begin += length + 12;
- }
- else
- section_begin += length + 4;
- }
-
- if (num_units == 0)
- {
- error (_("No comp units in .debug_info section ?"));
- return 0;
- }
-
- /* Then allocate an array to hold the information. */
- debug_information = malloc (num_units *
- sizeof (* debug_information));
- if (debug_information == NULL)
- {
- error (_("Not enough memory for a debug info array of %u entries"),
- num_units);
- return 0;
- }
- }
-
- if (!do_loc)
- {
- printf (_("The section %s contains:\n\n"),
- SECTION_NAME (section));
-
- load_debug_str (file);
- load_debug_loc (file);
- load_debug_range (file);
- }
-
- for (section_begin = start, unit = 0; start < end; unit++)
- {
- DWARF2_Internal_CompUnit compunit;
- unsigned char *hdrptr;
- unsigned char *cu_abbrev_offset_ptr;
- unsigned char *tags;
- 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;
-
- cu_offset = start - section_begin;
- start += compunit.cu_length + initial_length_size;
-
- if (elf_header.e_type == ET_REL
- && !debug_apply_rela_addends (file, section, offset_size,
- section_begin, hdrptr, start))
- return 0;
-
- 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;
- if ((do_loc || do_debug_loc || do_debug_ranges)
- && num_debug_info_entries == 0)
- {
- debug_information [unit].cu_offset = cu_offset;
- debug_information [unit].pointer_size
- = compunit.cu_pointer_size;
- debug_information [unit].base_address = 0;
- debug_information [unit].loc_offsets = NULL;
- debug_information [unit].have_frame_base = NULL;
- debug_information [unit].max_loc_offsets = 0;
- debug_information [unit].num_loc_offsets = 0;
- debug_information [unit].range_lists = NULL;
- debug_information [unit].max_range_lists= 0;
- debug_information [unit].num_range_lists = 0;
- }
-
- tags = hdrptr;
-
- if (!do_loc)
- {
- 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. */
- sec = find_section (".debug_abbrev");
- if (sec == NULL)
- {
- warn (_("Unable to locate .debug_abbrev section!\n"));
- return 0;
- }
-
- begin = 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;
-
- 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;
- }
-
- if (!do_loc)
- printf (_(" <%d><%lx>: Abbrev Number: %lu (%s)\n"),
- level,
- (unsigned long) (tags - section_begin
- - bytes_read),
- abbrev_number,
- get_TAG_name (entry->tag));
-
- switch (entry->tag)
- {
- default:
- need_base_address = 0;
- break;
- case DW_TAG_compile_unit:
- need_base_address = 1;
- break;
- case DW_TAG_entry_point:
- case DW_TAG_inlined_subroutine:
- case DW_TAG_subprogram:
- need_base_address = 0;
- /* Assuming that there is no DW_AT_frame_base. */
- have_frame_base = 0;
- break;
- }
-
- 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,
- &debug_information [unit],
- do_loc);
-
- if (entry->children)
- ++level;
- }
- }
-
- /* Set num_debug_info_entries here so that it can be used to check if
- we need to proecess .debug_loc and .debug_ranges sections. */
- if ((do_loc || do_debug_loc || do_debug_ranges)
- && num_debug_info_entries == 0)
- num_debug_info_entries = num_units;
-
- if (!do_loc)
- {
- free_debug_range ();
- free_debug_str ();
- free_debug_loc ();
-
- printf ("\n");
- }
-
- return 1;
-}
-
-/* Retrieve the pointer size associated with the given compilation unit.
- Optionally the offset of this unit into the .debug_info section is
- also retutned. If there is no .debug_info section then an error
- message is issued and 0 is returned. If the requested comp unit has
- not been defined in the .debug_info section then a warning message
- is issued and the last know pointer size is returned. This message
- is only issued once per section dumped per file dumped. */
-
-static unsigned int
-get_pointer_size_and_offset_of_comp_unit (unsigned int comp_unit,
- const char * section_name,
- unsigned long * offset_return)
-{
- unsigned long offset = 0;
-
- if (num_debug_info_entries == 0)
- error (_("%s section needs a populated .debug_info section\n"),
- section_name);
-
- else if (comp_unit >= num_debug_info_entries)
- {
- if (!warned_about_missing_comp_units)
- {
- warn (_("%s section has more comp units than .debug_info section\n"),
- section_name);
- warn (_("assuming that the pointer size is %d, from the last comp unit in .debug_info\n\n"),
- last_pointer_size);
- warned_about_missing_comp_units = TRUE;
- }
- }
- else
- {
- last_pointer_size = debug_information [comp_unit].pointer_size;
- offset = debug_information [comp_unit].cu_offset;
- }
-
- if (offset_return != NULL)
- * offset_return = offset;
-
- return last_pointer_size;
-}
-
-/* Locate and scan the .debug_info section in the file and record the pointer
- sizes and offsets for the compilation units in it. Usually an executable
- will have just one pointer size, but this is not guaranteed, and so we try
- not to make any assumptions. Returns zero upon failure, or the number of
- compilation units upon success. */
-
-static unsigned int
-get_debug_info (FILE * file)
-{
- Elf_Internal_Shdr * section;
- unsigned char * start;
- int ret;
-
- /* Reset the last pointer size so that we can issue correct error
- messages if we are displaying the contents of more than one section. */
- last_pointer_size = 0;
- warned_about_missing_comp_units = FALSE;
-
- /* If we already have the information there is nothing else to do. */
- if (num_debug_info_entries > 0)
- return num_debug_info_entries;
-
- section = find_section (".debug_info");
- if (section == NULL)
- return 0;
-
- start = get_data (NULL, file, section->sh_offset, section->sh_size,
- _("extracting information from .debug_info section"));
- if (start == NULL)
- return 0;
-
- ret = process_debug_info (section, start, file, 1);
- free (start);
-
- return ret ? num_debug_info_entries : 0;
-}
-
-static int
-display_debug_lines (Elf_Internal_Shdr *section,
- unsigned char *start, FILE *file)
-{
- unsigned char *data = start;
- unsigned char *end = start + section->sh_size;
- unsigned int comp_unit = 0;
-
- printf (_("\nDump of debug contents of section %s:\n\n"),
- SECTION_NAME (section));
-
- get_debug_info (file);
-
- while (data < end)
- {
- DWARF2_Internal_LineInfo info;
- unsigned char *standard_opcodes;
- unsigned char *end_of_sequence;
- unsigned char *hdrptr;
- unsigned int pointer_size;
- int initial_length_size;
- int offset_size;
- int i;
-
- 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;
-
- /* Get the pointer size from the comp unit associated
- with this block of line number information. */
- pointer_size = get_pointer_size_and_offset_of_comp_unit
- (comp_unit, ".debug_lines", NULL);
- comp_unit ++;
-
- 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);
- printf (_(" (Pointer size: %u)\n"), pointer_size);
-
- 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,
- 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);
-
- for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
- {
- printf ("0x%lx%s", read_leb128 (data, &bytes_read, 0),
- i == 1 ? "" : ", ");
- data += bytes_read;
- }
- putchar ('\n');
- break;
- }
- }
- putchar ('\n');
- }
-
- return 1;
-}
-
-static int
-display_debug_pubnames (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 (" %-6ld\t\t%s\n", offset, data);
- data += strlen ((char *) data) + 1;
- }
- }
- while (offset != 0);
- }
-
- printf ("\n");
- return 1;
-}
-
-static int
-display_debug_macinfo (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 (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 int
-display_debug_loc (Elf_Internal_Shdr *section,
- unsigned char *start, FILE *file)
-{
- unsigned char *section_end;
- unsigned long bytes;
- unsigned char *section_begin = start;
- unsigned int num_loc_list = 0;
- unsigned long last_offset = 0;
- unsigned int first = 0;
- unsigned int i;
- unsigned int j;
- int seen_first_offset = 0;
- int use_debug_info = 1;
- unsigned char *next;
-
- bytes = section->sh_size;
- section_end = start + bytes;
-
- if (bytes == 0)
- {
- printf (_("\nThe .debug_loc section is empty.\n"));
- return 0;
- }
-
- get_debug_info (file);
-
- /* Check the order of location list in .debug_info section. If
- offsets of location lists are in the ascending order, we can
- use `debug_information' directly. */
- for (i = 0; i < num_debug_info_entries; i++)
- {
- unsigned int num;
-
- num = debug_information [i].num_loc_offsets;
- num_loc_list += num;
-
- /* Check if we can use `debug_information' directly. */
- if (use_debug_info && num != 0)
- {
- if (!seen_first_offset)
- {
- /* This is the first location list. */
- last_offset = debug_information [i].loc_offsets [0];
- first = i;
- seen_first_offset = 1;
- j = 1;
- }
- else
- j = 0;
-
- for (; j < num; j++)
- {
- if (last_offset >
- debug_information [i].loc_offsets [j])
- {
- use_debug_info = 0;
- break;
- }
- last_offset = debug_information [i].loc_offsets [j];
- }
- }
- }
-
- if (!use_debug_info)
- /* FIXME: Should we handle this case? */
- error (_("Location lists in .debug_info section aren't in ascending order!\n"));
-
- if (!seen_first_offset)
- error (_("No location lists in .debug_info section!\n"));
-
- if (debug_information [first].loc_offsets [0] != 0)
- warn (_("Location lists in .debug_loc section start at 0x%lx\n"),
- debug_information [first].loc_offsets [0]);
-
- printf (_("Contents of the .debug_loc section:\n\n"));
- printf (_(" Offset Begin End Expression\n"));
-
- seen_first_offset = 0;
- for (i = first; i < num_debug_info_entries; i++)
- {
- unsigned long begin;
- unsigned long end;
- unsigned short length;
- unsigned long offset;
- unsigned int pointer_size;
- unsigned long cu_offset;
- unsigned long base_address;
- int need_frame_base;
- int has_frame_base;
-
- pointer_size = debug_information [i].pointer_size;
- cu_offset = debug_information [i].cu_offset;
-
- for (j = 0; j < debug_information [i].num_loc_offsets; j++)
- {
- has_frame_base = debug_information [i].have_frame_base [j];
- offset = debug_information [i].loc_offsets [j];
- next = section_begin + offset;
- base_address = debug_information [i].base_address;
-
- if (!seen_first_offset)
- seen_first_offset = 1;
- else
- {
- if (start < next)
- warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"),
- start - section_begin, next - section_begin);
- else if (start > next)
- warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"),
- start - section_begin, next - section_begin);
- }
- start = next;
-
- while (1)
- {
- begin = byte_get (start, pointer_size);
- start += pointer_size;
- end = byte_get (start, pointer_size);
- start += pointer_size;
-
- if (begin == 0 && end == 0)
- {
- printf (_(" %8.8lx <End of list>\n"), offset);
- break;
- }
-
- /* Check base address specifiers. */
- if (begin == -1UL && end != -1UL)
- {
- base_address = end;
- printf (" %8.8lx %8.8lx %8.8lx (base address)\n",
- offset, begin, end);
- continue;
- }
-
- length = byte_get (start, 2);
- start += 2;
-
- printf (" %8.8lx %8.8lx %8.8lx (",
- offset, begin + base_address, end + base_address);
- need_frame_base = decode_location_expression (start,
- pointer_size,
- length,
- cu_offset);
- putchar (')');
-
- if (need_frame_base && !has_frame_base)
- printf (_(" [without DW_AT_frame_base]"));
-
- if (begin == end)
- fputs (_(" (start == end)"), stdout);
- else if (begin > end)
- fputs (_(" (start > end)"), stdout);
-
- putchar ('\n');
-
- start += length;
- }
- }
- }
- return 1;
-}
-
-static int
-display_debug_str (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;
- }
-
- putchar ('\n');
-
- return 1;
-}
-
-
-static int
-display_debug_info (Elf_Internal_Shdr * section,
- unsigned char * start, FILE * file)
-{
- return process_debug_info (section, start, file, 0);
-}
-
-
-static int
-display_debug_aranges (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;
-}
-
-static int
-display_debug_ranges (Elf_Internal_Shdr *section,
- unsigned char *start,
- FILE *file ATTRIBUTE_UNUSED)
-{
- unsigned char *section_end;
- unsigned long bytes;
- unsigned char *section_begin = start;
- unsigned int num_range_list = 0;
- unsigned long last_offset = 0;
- unsigned int first = 0;
- unsigned int i;
- unsigned int j;
- int seen_first_offset = 0;
- int use_debug_info = 1;
- unsigned char *next;
-
- bytes = section->sh_size;
- section_end = start + bytes;
-
- if (bytes == 0)
- {
- printf (_("\nThe .debug_ranges section is empty.\n"));
- return 0;
- }
-
- get_debug_info (file);
-
- /* Check the order of range list in .debug_info section. If
- offsets of range lists are in the ascending order, we can
- use `debug_information' directly. */
- for (i = 0; i < num_debug_info_entries; i++)
- {
- unsigned int num;
-
- num = debug_information [i].num_range_lists;
- num_range_list += num;
-
- /* Check if we can use `debug_information' directly. */
- if (use_debug_info && num != 0)
- {
- if (!seen_first_offset)
- {
- /* This is the first range list. */
- last_offset = debug_information [i].range_lists [0];
- first = i;
- seen_first_offset = 1;
- j = 1;
- }
- else
- j = 0;
-
- for (; j < num; j++)
- {
- if (last_offset >
- debug_information [i].range_lists [j])
- {
- use_debug_info = 0;
- break;
- }
- last_offset = debug_information [i].range_lists [j];
- }
- }
- }
-
- if (!use_debug_info)
- /* FIXME: Should we handle this case? */
- error (_("Range lists in .debug_info section aren't in ascending order!\n"));
-
- if (!seen_first_offset)
- error (_("No range lists in .debug_info section!\n"));
-
- if (debug_information [first].range_lists [0] != 0)
- warn (_("Range lists in .debug_ranges section start at 0x%lx\n"),
- debug_information [first].range_lists [0]);
-
- printf (_("Contents of the .debug_ranges section:\n\n"));
- printf (_(" Offset Begin End\n"));
-
- seen_first_offset = 0;
- for (i = first; i < num_debug_info_entries; i++)
- {
- unsigned long begin;
- unsigned long end;
- unsigned long offset;
- unsigned int pointer_size;
- unsigned long base_address;
-
- pointer_size = debug_information [i].pointer_size;
-
- for (j = 0; j < debug_information [i].num_range_lists; j++)
- {
- offset = debug_information [i].range_lists [j];
- next = section_begin + offset;
- base_address = debug_information [i].base_address;
-
- if (!seen_first_offset)
- seen_first_offset = 1;
- else
- {
- if (start < next)
- warn (_("There is a hole [0x%lx - 0x%lx] in .debug_ranges section.\n"),
- start - section_begin, next - section_begin);
- else if (start > next)
- warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_ranges section.\n"),
- start - section_begin, next - section_begin);
- }
- start = next;
-
- while (1)
- {
- begin = byte_get (start, pointer_size);
- start += pointer_size;
- end = byte_get (start, pointer_size);
- start += pointer_size;
-
- if (begin == 0 && end == 0)
- break;
-
- /* Check base address specifiers. */
- if (begin == -1UL && end != -1UL)
- {
- base_address = end;
- printf (" %8.8lx %8.8lx %8.8lx (base address)\n",
- offset, begin, end);
- continue;
- }
-
- printf (" %8.8lx %8.8lx %8.8lx",
- offset, begin + base_address, end + base_address);
-
- if (begin == end)
- fputs (_(" (start == end)"), stdout);
- else if (begin > end)
- fputs (_(" (start > end)"), stdout);
-
- putchar ('\n');
- }
- fputs (_(" <End of list>\n"), stdout);
- }
- }
- putchar ('\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 (Frame_Chunk *fc, int reg)
-{
- int prev = fc->ncols;
-
- if (reg < fc->ncols)
- return;
-
- fc->ncols = reg + 1;
- fc->col_type = xrealloc (fc->col_type, fc->ncols * sizeof (short int));
- fc->col_offset = 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 (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 (int encoding)
-{
- switch (encoding & 0x7)
- {
- default: /* ??? */
- case 0: return eh_addr_size;
- case 2: return 2;
- case 3: return 4;
- case 4: return 8;
- }
-}
-
-static bfd_vma
-get_encoded_value (unsigned char *data, int encoding)
-{
- int size = size_of_encoded_value (encoding);
- if (encoding & DW_EH_PE_signed)
- return byte_get_signed (data, size);
- else
- return byte_get (data, size);
-}
-
-#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 (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 = streq (SECTION_NAME (section), ".eh_frame");
- int length_return;
- int max_regs = 0;
-
- 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 = eh_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 (elf_header.e_type == ET_REL
- && !debug_apply_rela_addends (file, section, offset_size,
- section_start, start, block_end))
- return 0;
-
- if (is_eh ? (cie_id == 0) : (cie_id == DW_CIE_ID))
- {
- int version;
-
- fc = 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 = xmalloc (sizeof (short int));
- fc->col_offset = 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 ();
- if (version == 1)
- {
- fc->ra = GET (1);
- }
- else
- {
- fc->ra = LEB ();
- }
- augmentation_data_len = LEB ();
- augmentation_data = start;
- start += augmentation_data_len;
- }
- else if (streq (fc->augmentation, "eh"))
- {
- start += eh_addr_size;
- fc->code_factor = LEB ();
- fc->data_factor = SLEB ();
- if (version == 1)
- {
- fc->ra = GET (1);
- }
- else
- {
- fc->ra = LEB ();
- }
- }
- else
- {
- fc->code_factor = LEB ();
- fc->data_factor = SLEB ();
- if (version == 1)
- {
- fc->ra = GET (1);
- }
- else
- {
- fc->ra = LEB ();
- }
- }
- 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 = xmalloc (sizeof (short int));
- fc->col_offset = 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 = xmalloc (fc->ncols * sizeof (short int));
- fc->col_offset = 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 = get_encoded_value (start, fc->fde_encoding);
- if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel
- /* Don't adjust for ET_REL since there's invariably a pcrel
- reloc here, which we haven't applied. */
- && elf_header.e_type != ET_REL)
- 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. */
- /* ??? At present we need to do this always, since this sizes the
- fc->col_type and fc->col_offset arrays, which we write into always.
- We should probably split the interpreted and non-interpreted bits
- into two different routines, since there's so much that doesn't
- really overlap between them. */
- if (1 || 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, tmp;
-
- 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:
- tmp = LEB ();
- start += tmp;
- break;
- case DW_CFA_expression:
- reg = LEB ();
- tmp = LEB ();
- start += tmp;
- 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 = get_encoded_value (start, fc->fde_encoding);
- if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel
- && elf_header.e_type != ET_REL)
- 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;
+ /* FIXME: We need to extend this switch statement to cope with other
+ architecture's relocs. (When those relocs are used against debug
+ sections, and when their size is not 4). But see the multiple
+ inclusions of <elf/h8.h> for an example of the hoops that we need
+ to jump through in order to obtain the reloc numbers. */
+ return 4;
+ }
+}
- 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;
+/* Apply addends of RELA relocations. */
- 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;
+static int
+debug_apply_rela_addends (void *file,
+ Elf_Internal_Shdr *section,
+ unsigned char *start)
+{
+ Elf_Internal_Shdr *relsec;
+ unsigned char *end = start + section->sh_size;
- 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;
+ if (!is_relocatable)
+ return 1;
- 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;
+ 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;
- case DW_CFA_register:
- reg = LEB ();
- roffs = LEB ();
- if (! do_debug_frames_interp)
- printf (" DW_CFA_register: r%ld in r%ld\n", reg, roffs);
- fc->col_type[reg] = DW_CFA_register;
- fc->col_offset[reg] = roffs;
- break;
+ if (relsec->sh_type != SHT_RELA
+ || SECTION_HEADER_INDEX (relsec->sh_info) >= elf_header.e_shnum
+ || SECTION_HEADER (relsec->sh_info) != section
+ || relsec->sh_size == 0
+ || SECTION_HEADER_INDEX (relsec->sh_link) >= elf_header.e_shnum)
+ continue;
- case DW_CFA_remember_state:
- if (! do_debug_frames_interp)
- printf (" DW_CFA_remember_state\n");
- rs = xmalloc (sizeof (Frame_Chunk));
- rs->ncols = fc->ncols;
- rs->col_type = xmalloc (rs->ncols * sizeof (short int));
- rs->col_offset = 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;
+ if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size,
+ &rela, &nrelas))
+ return 0;
- case DW_CFA_restore_state:
- if (! do_debug_frames_interp)
- printf (" DW_CFA_restore_state\n");
- rs = remembered_state;
- if (rs)
- {
- 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);
- }
- else if (do_debug_frames_interp)
- printf ("Mismatched DW_CFA_restore_state\n");
- break;
+ symsec = SECTION_HEADER (relsec->sh_link);
+ symtab = GET_ELF_SYMBOLS (file, symsec);
- 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;
+ for (rp = rela; rp < rela + nrelas; ++rp)
+ {
+ unsigned char *loc;
+ unsigned int reloc_size;
- 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;
+ reloc_size = get_reloc_size (rp);
+ if (reloc_size == 0)
+ {
+ warn (_("skipping relocation of unknown size against offset 0x%lx in section %s\n"),
+ (unsigned long) rp->r_offset,
+ SECTION_NAME (section));
+ continue;
+ }
- 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;
+ loc = start + rp->r_offset;
+ if ((loc + reloc_size) > end)
+ {
+ warn (_("skipping invalid relocation offset 0x%lx in section %s\n"),
+ (unsigned long) rp->r_offset,
+ SECTION_NAME (section));
+ continue;
+ }
- case DW_CFA_nop:
- if (! do_debug_frames_interp)
- printf (" DW_CFA_nop\n");
- break;
+ if (is_32bit_elf)
+ {
+ sym = symtab + ELF32_R_SYM (rp->r_info);
- case DW_CFA_def_cfa_expression:
- ul = LEB ();
- if (! do_debug_frames_interp)
+ if (ELF32_R_SYM (rp->r_info) != 0
+ && ELF32_ST_TYPE (sym->st_info) != STT_SECTION
+ /* Relocations against symbols without type can happen.
+ Gcc -feliminate-dwarf2-dups may generate symbols
+ without type for debug info. */
+ && ELF32_ST_TYPE (sym->st_info) != STT_NOTYPE
+ /* Relocations against object symbols can happen,
+ eg when referencing a global array. For an
+ example of this see the _clz.o binary in libgcc.a. */
+ && ELF32_ST_TYPE (sym->st_info) != STT_OBJECT)
{
- printf (" DW_CFA_def_cfa_expression (");
- decode_location_expression (start, eh_addr_size, ul, 0);
- printf (")\n");
+ warn (_("skipping unexpected symbol type %s in relocation in section .rela%s\n"),
+ get_symbol_type (ELF32_ST_TYPE (sym->st_info)),
+ SECTION_NAME (section));
+ continue;
}
- fc->cfa_exp = 1;
- start += ul;
- break;
+ }
+ else
+ {
+ /* In MIPS little-endian objects, r_info isn't really a
+ 64-bit little-endian value: it has a 32-bit little-endian
+ symbol index followed by four individual byte fields.
+ Reorder INFO accordingly. */
+ if (elf_header.e_machine == EM_MIPS
+ && elf_header.e_ident[EI_DATA] != ELFDATA2MSB)
+ rp->r_info = (((rp->r_info & 0xffffffff) << 32)
+ | ((rp->r_info >> 56) & 0xff)
+ | ((rp->r_info >> 40) & 0xff00)
+ | ((rp->r_info >> 24) & 0xff0000)
+ | ((rp->r_info >> 8) & 0xff000000));
+
+ sym = symtab + ELF64_R_SYM (rp->r_info);
- case DW_CFA_expression:
- reg = LEB ();
- ul = LEB ();
- if (! do_debug_frames_interp)
+ if (ELF64_R_SYM (rp->r_info) != 0
+ && ELF64_ST_TYPE (sym->st_info) != STT_SECTION
+ && ELF64_ST_TYPE (sym->st_info) != STT_NOTYPE
+ && ELF64_ST_TYPE (sym->st_info) != STT_OBJECT)
{
- printf (" DW_CFA_expression: r%ld (", reg);
- decode_location_expression (start, eh_addr_size, ul, 0);
- printf (")\n");
+ warn (_("skipping unexpected symbol type %s in relocation in section .rela.%s\n"),
+ get_symbol_type (ELF64_ST_TYPE (sym->st_info)),
+ SECTION_NAME (section));
+ continue;
}
- 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;
+ byte_put (loc, rp->r_addend, reloc_size);
+ }
- case DW_CFA_GNU_args_size:
- ul = LEB ();
- if (! do_debug_frames_interp)
- printf (" DW_CFA_GNU_args_size: %ld\n", ul);
- break;
+ free (symtab);
+ free (rela);
+ break;
+ }
+ return 1;
+}
- 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;
+int
+load_debug_section (enum dwarf_section_display_enum debug, void *file)
+{
+ struct dwarf_section *section = &debug_displays [debug].section;
+ Elf_Internal_Shdr *sec;
+ char buf [64];
- default:
- warn (_("unsupported or unknown DW_CFA_%d\n"), op);
- start = block_end;
- }
- }
+ /* If it is already loaded, do nothing. */
+ if (section->start != NULL)
+ return 1;
- if (do_debug_frames_interp)
- frame_display_row (fc, &need_col_headers, &max_regs);
+ /* Locate the debug section. */
+ sec = find_section (section->name);
+ if (sec == NULL)
+ return 0;
- start = block_end;
- }
+ snprintf (buf, sizeof (buf), _("%s section data"), section->name);
+ section->address = sec->sh_addr;
+ section->size = sec->sh_size;
+ section->start = get_data (NULL, file, sec->sh_offset, 1,
+ sec->sh_size, buf);
- printf ("\n");
+ if (debug_displays [debug].relocate)
+ debug_apply_rela_addends (file, sec, section->start);
- return 1;
+ return section->start != NULL;
}
-#undef GET
-#undef LEB
-#undef SLEB
-
-static int
-display_debug_not_supported (Elf_Internal_Shdr *section,
- unsigned char *start ATTRIBUTE_UNUSED,
- FILE *file ATTRIBUTE_UNUSED)
+void
+free_debug_section (enum dwarf_section_display_enum debug)
{
- printf (_("Displaying the debug contents of section %s is not yet supported.\n"),
- SECTION_NAME (section));
+ struct dwarf_section *section = &debug_displays [debug].section;
- return 1;
-}
+ if (section->start == NULL)
+ return;
-/* A structure containing the name of a debug section
- and a pointer to a function that can decode it. */
-struct
-{
- const char *const name;
- int (*display) (Elf_Internal_Shdr *, unsigned char *, FILE *);
+ free ((char *) section->start);
+ section->start = NULL;
+ section->address = 0;
+ section->size = 0;
}
-debug_displays[] =
-{
- { ".debug_abbrev", display_debug_abbrev },
- { ".debug_aranges", display_debug_aranges },
- { ".debug_frame", display_debug_frames },
- { ".debug_info", display_debug_info },
- { ".debug_line", display_debug_lines },
- { ".debug_pubnames", display_debug_pubnames },
- { ".eh_frame", display_debug_frames },
- { ".debug_macinfo", display_debug_macinfo },
- { ".debug_str", display_debug_str },
- { ".debug_loc", display_debug_loc },
- { ".debug_pubtypes", display_debug_pubnames },
- { ".debug_ranges", display_debug_ranges },
- { ".debug_static_func", display_debug_not_supported },
- { ".debug_static_vars", display_debug_not_supported },
- { ".debug_types", display_debug_not_supported },
- { ".debug_weaknames", display_debug_not_supported }
-};
static int
display_debug_section (Elf_Internal_Shdr *section, FILE *file)
char *name = SECTION_NAME (section);
bfd_size_type length;
int result = 1;
- int i;
+ enum dwarf_section_display_enum i;
length = section->sh_size;
if (length == 0)
return 0;
}
- if (strneq (name, ".gnu.linkonce.wi.", 17))
+ if (const_strneq (name, ".gnu.linkonce.wi."))
name = ".debug_info";
/* See if we know how to display the contents of this section. */
- for (i = NUM_ELEM (debug_displays); i--;)
- if (streq (debug_displays[i].name, name))
+ for (i = 0; i < max; i++)
+ if (streq (debug_displays[i].section.name, name))
{
- unsigned char *start;
+ struct dwarf_section *sec = &debug_displays [i].section;
- start = get_data (NULL, file, section->sh_offset, length,
- _("debug section data"));
- if (start == NULL)
+ if (load_debug_section (i, file))
{
- result = 0;
- break;
- }
+ result &= debug_displays[i].display (sec, file);
- result &= debug_displays[i].display (section, start, file);
- free (start);
-
- /* If we loaded in the abbrev section
- at some point, we must release it here. */
- free_abbrevs ();
+ if (i != info && i != abbrev)
+ free_debug_section (i);
+ }
break;
}
- if (i == -1)
+ if (i == max)
{
printf (_("Unrecognized debug section: %s\n"), name);
result = 0;
return result;
}
+/* Set DUMP_SECTS for all sections where dumps were requested
+ based on section name. */
+
+static void
+initialise_dumps_byname (void)
+{
+ struct dump_list_entry *cur;
+
+ for (cur = dump_sects_byname; cur; cur = cur->next)
+ {
+ unsigned int i;
+ int any;
+
+ for (i = 0, any = 0; i < elf_header.e_shnum; i++)
+ if (streq (SECTION_NAME (section_headers + i), cur->name))
+ {
+ request_dump (i, cur->type);
+ any = 1;
+ }
+
+ if (!any)
+ warn (_("Section '%s' was not dumped because it does not exist!\n"),
+ cur->name);
+ }
+}
+
static void
process_section_contents (FILE *file)
{
if (! do_dump)
return;
+ initialise_dumps_byname ();
+
for (i = 0, section = section_headers;
i < elf_header.e_shnum && i < num_dump_sects;
i++, section++)
fputs ("0", stdout);
}
+/* ARM EABI attributes section. */
+typedef struct
+{
+ int tag;
+ const char *name;
+ /* 0 = special, 1 = string, 2 = uleb123, > 0x80 == table lookup. */
+ int type;
+ const char **table;
+} arm_attr_public_tag;
+
+static const char *arm_attr_tag_CPU_arch[] =
+ {"Pre-v4", "v4", "v4T", "v5T", "v5TE", "v5TEJ", "v6", "v6KZ", "v6T2",
+ "v6K", "v7"};
+static const char *arm_attr_tag_ARM_ISA_use[] = {"No", "Yes"};
+static const char *arm_attr_tag_THUMB_ISA_use[] =
+ {"No", "Thumb-1", "Thumb-2"};
+/* FIXME: VFPv3 encoding was extrapolated! */
+static const char *arm_attr_tag_VFP_arch[] = {"No", "VFPv1", "VFPv2", "VFPv3"};
+static const char *arm_attr_tag_WMMX_arch[] = {"No", "WMMXv1"};
+static const char *arm_attr_tag_NEON_arch[] = {"No", "NEONv1"};
+static const char *arm_attr_tag_ABI_PCS_config[] =
+ {"None", "Bare platform", "Linux application", "Linux DSO", "PalmOS 2004",
+ "PalmOS (reserved)", "SymbianOS 2004", "SymbianOS (reserved)"};
+static const char *arm_attr_tag_ABI_PCS_R9_use[] =
+ {"V6", "SB", "TLS", "Unused"};
+static const char *arm_attr_tag_ABI_PCS_RW_data[] =
+ {"Absolute", "PC-relative", "SB-relative", "None"};
+static const char *arm_attr_tag_ABI_PCS_RO_DATA[] =
+ {"Absolute", "PC-relative", "None"};
+static const char *arm_attr_tag_ABI_PCS_GOT_use[] =
+ {"None", "direct", "GOT-indirect"};
+static const char *arm_attr_tag_ABI_PCS_wchar_t[] =
+ {"None", "??? 1", "2", "??? 3", "4"};
+static const char *arm_attr_tag_ABI_FP_rounding[] = {"Unused", "Needed"};
+static const char *arm_attr_tag_ABI_FP_denormal[] = {"Unused", "Needed"};
+static const char *arm_attr_tag_ABI_FP_exceptions[] = {"Unused", "Needed"};
+static const char *arm_attr_tag_ABI_FP_user_exceptions[] = {"Unused", "Needed"};
+static const char *arm_attr_tag_ABI_FP_number_model[] =
+ {"Unused", "Finite", "RTABI", "IEEE 754"};
+static const char *arm_attr_tag_ABI_align8_needed[] = {"No", "Yes", "4-byte"};
+static const char *arm_attr_tag_ABI_align8_preserved[] =
+ {"No", "Yes, except leaf SP", "Yes"};
+static const char *arm_attr_tag_ABI_enum_size[] =
+ {"Unused", "small", "int", "forced to int"};
+static const char *arm_attr_tag_ABI_HardFP_use[] =
+ {"As Tag_VFP_arch", "SP only", "DP only", "SP and DP"};
+static const char *arm_attr_tag_ABI_VFP_args[] =
+ {"AAPCS", "VFP registers", "custom"};
+static const char *arm_attr_tag_ABI_WMMX_args[] =
+ {"AAPCS", "WMMX registers", "custom"};
+static const char *arm_attr_tag_ABI_optimization_goals[] =
+ {"None", "Prefer Speed", "Aggressive Speed", "Prefer Size",
+ "Aggressive Size", "Prefer Debug", "Aggressive Debug"};
+static const char *arm_attr_tag_ABI_FP_optimization_goals[] =
+ {"None", "Prefer Speed", "Aggressive Speed", "Prefer Size",
+ "Aggressive Size", "Prefer Accuracy", "Aggressive Accuracy"};
+
+#define LOOKUP(id, name) \
+ {id, #name, 0x80 | ARRAY_SIZE(arm_attr_tag_##name), arm_attr_tag_##name}
+static arm_attr_public_tag arm_attr_public_tags[] =
+{
+ {4, "CPU_raw_name", 1, NULL},
+ {5, "CPU_name", 1, NULL},
+ LOOKUP(6, CPU_arch),
+ {7, "CPU_arch_profile", 0, NULL},
+ LOOKUP(8, ARM_ISA_use),
+ LOOKUP(9, THUMB_ISA_use),
+ LOOKUP(10, VFP_arch),
+ LOOKUP(11, WMMX_arch),
+ LOOKUP(12, NEON_arch),
+ LOOKUP(13, ABI_PCS_config),
+ LOOKUP(14, ABI_PCS_R9_use),
+ LOOKUP(15, ABI_PCS_RW_data),
+ LOOKUP(16, ABI_PCS_RO_DATA),
+ LOOKUP(17, ABI_PCS_GOT_use),
+ LOOKUP(18, ABI_PCS_wchar_t),
+ LOOKUP(19, ABI_FP_rounding),
+ LOOKUP(20, ABI_FP_denormal),
+ LOOKUP(21, ABI_FP_exceptions),
+ LOOKUP(22, ABI_FP_user_exceptions),
+ LOOKUP(23, ABI_FP_number_model),
+ LOOKUP(24, ABI_align8_needed),
+ LOOKUP(25, ABI_align8_preserved),
+ LOOKUP(26, ABI_enum_size),
+ LOOKUP(27, ABI_HardFP_use),
+ LOOKUP(28, ABI_VFP_args),
+ LOOKUP(29, ABI_WMMX_args),
+ LOOKUP(30, ABI_optimization_goals),
+ LOOKUP(31, ABI_FP_optimization_goals),
+ {32, "compatibility", 0, NULL}
+};
+#undef LOOKUP
+
+/* Read an unsigned LEB128 encoded value from p. Set *PLEN to the number of
+ bytes read. */
+static unsigned int
+read_uleb128 (unsigned char *p, unsigned int *plen)
+{
+ unsigned char c;
+ unsigned int val;
+ int shift;
+ int len;
+
+ val = 0;
+ shift = 0;
+ len = 0;
+ do
+ {
+ c = *(p++);
+ len++;
+ val |= ((unsigned int)c & 0x7f) << shift;
+ shift += 7;
+ }
+ while (c & 0x80);
+
+ *plen = len;
+ return val;
+}
+
+static unsigned char *
+display_arm_attribute (unsigned char *p)
+{
+ int tag;
+ unsigned int len;
+ int val;
+ arm_attr_public_tag *attr;
+ unsigned i;
+ int type;
+
+ tag = read_uleb128 (p, &len);
+ p += len;
+ attr = NULL;
+ for (i = 0; i < ARRAY_SIZE(arm_attr_public_tags); i++)
+ {
+ if (arm_attr_public_tags[i].tag == tag)
+ {
+ attr = &arm_attr_public_tags[i];
+ break;
+ }
+ }
+
+ if (attr)
+ {
+ printf (" Tag_%s: ", attr->name);
+ switch (attr->type)
+ {
+ case 0:
+ switch (tag)
+ {
+ case 7: /* Tag_CPU_arch_profile. */
+ val = read_uleb128 (p, &len);
+ p += len;
+ switch (val)
+ {
+ case 0: printf ("None\n"); break;
+ case 'A': printf ("Application\n"); break;
+ case 'R': printf ("Realtime\n"); break;
+ case 'M': printf ("Microcontroller\n"); break;
+ default: printf ("??? (%d)\n", val); break;
+ }
+ break;
+
+ case 32: /* Tag_compatibility. */
+ val = read_uleb128 (p, &len);
+ p += len;
+ printf ("flag = %d, vendor = %s\n", val, p);
+ p += strlen((char *)p) + 1;
+ break;
+
+ default:
+ abort();
+ }
+ return p;
+
+ case 1:
+ case 2:
+ type = attr->type;
+ break;
+
+ default:
+ assert (attr->type & 0x80);
+ val = read_uleb128 (p, &len);
+ p += len;
+ type = attr->type & 0x7f;
+ if (val >= type)
+ printf ("??? (%d)\n", val);
+ else
+ printf ("%s\n", attr->table[val]);
+ return p;
+ }
+ }
+ else
+ {
+ if (tag & 1)
+ type = 1; /* String. */
+ else
+ type = 2; /* uleb128. */
+ printf (" Tag_unknown_%d: ", tag);
+ }
+
+ if (type == 1)
+ {
+ printf ("\"%s\"\n", p);
+ p += strlen((char *)p) + 1;
+ }
+ else
+ {
+ val = read_uleb128 (p, &len);
+ p += len;
+ printf ("%d (0x%x)\n", val, val);
+ }
+
+ return p;
+}
+
+static int
+process_arm_specific (FILE *file)
+{
+ Elf_Internal_Shdr *sect;
+ unsigned char *contents;
+ unsigned char *p;
+ unsigned char *end;
+ bfd_vma section_len;
+ bfd_vma len;
+ unsigned i;
+
+ /* Find the section header so that we get the size. */
+ for (i = 0, sect = section_headers;
+ i < elf_header.e_shnum;
+ i++, sect++)
+ {
+ if (sect->sh_type != SHT_ARM_ATTRIBUTES)
+ continue;
+
+ contents = get_data (NULL, file, sect->sh_offset, 1, sect->sh_size,
+ _("attributes"));
+
+ if (!contents)
+ continue;
+ p = contents;
+ if (*p == 'A')
+ {
+ len = sect->sh_size - 1;
+ p++;
+ while (len > 0)
+ {
+ int namelen;
+ bfd_boolean public_section;
+
+ section_len = byte_get (p, 4);
+ p += 4;
+ if (section_len > len)
+ {
+ printf (_("ERROR: Bad section length (%d > %d)\n"),
+ (int)section_len, (int)len);
+ section_len = len;
+ }
+ len -= section_len;
+ printf ("Attribute Section: %s\n", p);
+ if (strcmp ((char *)p, "aeabi") == 0)
+ public_section = TRUE;
+ else
+ public_section = FALSE;
+ namelen = strlen ((char *)p) + 1;
+ p += namelen;
+ section_len -= namelen + 4;
+ while (section_len > 0)
+ {
+ int tag = *(p++);
+ int val;
+ bfd_vma size;
+ size = byte_get (p, 4);
+ if (size > section_len)
+ {
+ printf (_("ERROR: Bad subsection length (%d > %d)\n"),
+ (int)size, (int)section_len);
+ size = section_len;
+ }
+ section_len -= size;
+ end = p + size - 1;
+ p += 4;
+ switch (tag)
+ {
+ case 1:
+ printf ("File Attributes\n");
+ break;
+ case 2:
+ printf ("Section Attributes:");
+ goto do_numlist;
+ case 3:
+ printf ("Symbol Attributes:");
+ do_numlist:
+ for (;;)
+ {
+ unsigned int i;
+ val = read_uleb128 (p, &i);
+ p += i;
+ if (val == 0)
+ break;
+ printf (" %d", val);
+ }
+ printf ("\n");
+ break;
+ default:
+ printf ("Unknown tag: %d\n", tag);
+ public_section = FALSE;
+ break;
+ }
+ if (public_section)
+ {
+ while (p < end)
+ p = display_arm_attribute(p);
+ }
+ else
+ {
+ /* ??? Do something sensible, like dump hex. */
+ printf (" Unknown section contexts\n");
+ p = end;
+ }
+ }
+ }
+ }
+ else
+ {
+ printf (_("Unknown format '%c'\n"), *p);
+ }
+
+ free(contents);
+ }
+ return 1;
+}
+
static int
process_mips_specific (FILE *file)
{
size_t cnt;
elib = get_data (NULL, file, liblist_offset,
- liblistno * sizeof (Elf32_External_Lib),
+ liblistno, sizeof (Elf32_External_Lib),
_("liblist"));
if (elib)
{
liblist.l_flags = BYTE_GET (elib[cnt].l_flags);
tmp = gmtime (&time);
- sprintf (timebuf, "%04u-%02u-%02uT%02u:%02u:%02u",
- tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
- tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+ snprintf (timebuf, sizeof (timebuf),
+ "%04u-%02u-%02uT%02u:%02u:%02u",
+ tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
+ tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
printf ("%3lu: ", (unsigned long) cnt);
if (VALID_DYNAMIC_NAME (liblist.l_name))
while (sect->sh_type != SHT_MIPS_OPTIONS)
++sect;
- eopt = get_data (NULL, file, options_offset, sect->sh_size,
+ eopt = get_data (NULL, file, options_offset, 1, sect->sh_size,
_("options"));
if (eopt)
{
- iopt = malloc ((sect->sh_size / sizeof (eopt)) * sizeof (*iopt));
+ iopt = cmalloc ((sect->sh_size / sizeof (eopt)), sizeof (*iopt));
if (iopt == NULL)
{
error (_("Out of memory"));
reginfo.ri_cprmask[1] = BYTE_GET (ereg->ri_cprmask[1]);
reginfo.ri_cprmask[2] = BYTE_GET (ereg->ri_cprmask[2]);
reginfo.ri_cprmask[3] = BYTE_GET (ereg->ri_cprmask[3]);
- reginfo.ri_gp_value = BYTE_GET8 (ereg->ri_gp_value);
+ reginfo.ri_gp_value = BYTE_GET (ereg->ri_gp_value);
printf ("GPR %08lx GP 0x",
reginfo.ri_gprmask);
return 0;
}
- iconf = malloc (conflictsno * sizeof (*iconf));
+ iconf = cmalloc (conflictsno, sizeof (*iconf));
if (iconf == NULL)
{
error (_("Out of memory"));
Elf32_External_Conflict *econf32;
econf32 = get_data (NULL, file, conflicts_offset,
- conflictsno * sizeof (*econf32), _("conflict"));
+ conflictsno, sizeof (*econf32), _("conflict"));
if (!econf32)
return 0;
Elf64_External_Conflict *econf64;
econf64 = get_data (NULL, file, conflicts_offset,
- conflictsno * sizeof (*econf64), _("conflict"));
+ conflictsno, sizeof (*econf64), _("conflict"));
if (!econf64)
return 0;
Elf_Internal_Shdr *section, *string_sec;
Elf32_External_Lib *elib;
char *strtab;
+ size_t strtab_size;
size_t cnt;
unsigned i;
switch (section->sh_type)
{
case SHT_GNU_LIBLIST:
- elib = get_data (NULL, file, section->sh_offset, section->sh_size,
+ if (SECTION_HEADER_INDEX (section->sh_link) >= elf_header.e_shnum)
+ break;
+
+ elib = get_data (NULL, file, section->sh_offset, 1, section->sh_size,
_("liblist"));
if (elib == NULL)
break;
string_sec = SECTION_HEADER (section->sh_link);
- strtab = get_data (NULL, file, string_sec->sh_offset,
+ strtab = get_data (NULL, file, string_sec->sh_offset, 1,
string_sec->sh_size, _("liblist string table"));
+ strtab_size = string_sec->sh_size;
if (strtab == NULL
|| section->sh_entsize != sizeof (Elf32_External_Lib))
liblist.l_flags = BYTE_GET (elib[cnt].l_flags);
tmp = gmtime (&time);
- sprintf (timebuf, "%04u-%02u-%02uT%02u:%02u:%02u",
- tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
- tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+ snprintf (timebuf, sizeof (timebuf),
+ "%04u-%02u-%02uT%02u:%02u:%02u",
+ tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
+ tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
printf ("%3lu: ", (unsigned long) cnt);
if (do_wide)
- printf ("%-20s", strtab + liblist.l_name);
+ printf ("%-20s", liblist.l_name < strtab_size
+ ? strtab + liblist.l_name : "<corrupt>");
else
- printf ("%-20.20s", strtab + liblist.l_name);
+ printf ("%-20.20s", liblist.l_name < strtab_size
+ ? strtab + liblist.l_name : "<corrupt>");
printf (" %s %#010lx %-7ld %-7ld\n", timebuf, liblist.l_checksum,
liblist.l_version, liblist.l_flags);
}
break;
}
- sprintf (buff, _("Unknown note type: (0x%08x)"), e_type);
+ snprintf (buff, sizeof (buff), _("Unknown note type: (0x%08x)"), e_type);
return buff;
}
if (e_type < NT_NETBSDCORE_FIRSTMACH)
{
- sprintf (buff, _("Unknown note type: (0x%08x)"), e_type);
+ snprintf (buff, sizeof (buff), _("Unknown note type: (0x%08x)"), e_type);
return buff;
}
}
}
- sprintf (buff, _("PT_FIRSTMACH+%d"), e_type - NT_NETBSDCORE_FIRSTMACH);
+ snprintf (buff, sizeof (buff), _("PT_FIRSTMACH+%d"),
+ e_type - NT_NETBSDCORE_FIRSTMACH);
return buff;
}
note type strings. */
nt = get_note_type (pnote->type);
- else if (strneq (pnote->namedata, "NetBSD-CORE", 11))
+ else if (const_strneq (pnote->namedata, "NetBSD-CORE"))
/* NetBSD-specific core file notes. */
nt = get_netbsd_elfcore_note_type (pnote->type);
if (length <= 0)
return 0;
- pnotes = get_data (NULL, file, offset, length, _("notes"));
+ pnotes = get_data (NULL, file, offset, 1, length, _("notes"));
if (!pnotes)
return 0;
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"),
+ warn (_("corrupt note found at offset %lx into core notes\n"),
+ (long)((char *)external - (char *)pnotes));
+ warn (_(" type: %lx, namesize: %08lx, descsize: %08lx\n"),
inote.type, inote.namesz, inote.descsz);
break;
}
switch (elf_header.e_machine)
{
+ case EM_ARM:
+ return process_arm_specific (file);
case EM_MIPS:
case EM_MIPS_RS3_LE:
return process_mips_specific (file);
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_entry = BYTE_GET (ehdr64.e_entry);
+ elf_header.e_phoff = BYTE_GET (ehdr64.e_phoff);
+ elf_header.e_shoff = BYTE_GET (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);
get_64bit_section_headers (file, 1);
}
+ is_relocatable = elf_header.e_type == ET_REL;
+
return 1;
}
assert (num_dump_sects >= num_cmdline_dump_sects);
memcpy (dump_sects, cmdline_dump_sects, num_cmdline_dump_sects);
}
-
+
if (! process_file_header ())
return 1;
section_groups = NULL;
}
- if (debug_information)
- {
- for (i = 0; i < num_debug_info_entries; i++)
- {
- if (!debug_information [i].max_loc_offsets)
- {
- free (debug_information [i].loc_offsets);
- free (debug_information [i].have_frame_base);
- }
- if (!debug_information [i].max_range_lists)
- free (debug_information [i].range_lists);
- }
- free (debug_information);
- debug_information = NULL;
- num_debug_info_entries = 0;
- }
+ free_debug_memory ();
return 0;
}
return 1;
}
- if (memcmp (arhdr.ar_name, "/ ", 16) == 0)
+ if (const_strneq (arhdr.ar_name, "/ "))
{
/* This is the archive symbol table. Skip it.
FIXME: We should have an option to dump it. */
}
}
- if (memcmp (arhdr.ar_name, "// ", 16) == 0)
+ if (const_strneq (arhdr.ar_name, "// "))
{
/* This is the archive string table holding long member
names. */
off = strtoul (arhdr.ar_name + 1, NULL, 10);
if (off >= longnames_size)
{
- error (_("%s: invalid archive string table offset %lu\n"), off);
+ error (_("%s: invalid archive string table offset %lu\n"), file_name, off);
ret = 1;
break;
}
if (nameend == NULL)
{
- error (_("%s: bad archive file name\n"));
+ error (_("%s: bad archive file name\n"), file_name);
ret = 1;
break;
}
archive_file_offset = ftell (file);
archive_file_size = strtoul (arhdr.ar_size, NULL, 10);
-
+
ret |= process_object (namealc, file);
free (namealc);
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
+ expandargv (&argc, &argv);
+
parse_args (argc, argv);
if (num_dump_sects > 0)
projects / thirdparty / binutils-gdb.git / blobdiff