/* readelf.c -- display contents of an ELF format file
Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
- 2008, 2009, 2010
+ 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
Originally developed by Eric Youngdale <eric@andante.jic.com>
#include "bfd.h"
#include "bucomm.h"
+#include "elfcomm.h"
#include "dwarf.h"
#include "elf/common.h"
#include "elf/xstormy16.h"
#include "elf/xtensa.h"
-#include "aout/ar.h"
-
#include "getopt.h"
#include "libiberty.h"
#include "safe-ctype.h"
}
print_mode;
-static void (* byte_put) (unsigned char *, bfd_vma, int);
-
#define UNKNOWN -1
#define SECTION_NAME(X) \
#define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */
-#define BYTE_GET(field) byte_get (field, sizeof (field))
-#define BYTE_GET_SIGNED(field) byte_get_signed (field, sizeof (field))
-
#define GET_ELF_SYMBOLS(file, section) \
(is_32bit_elf ? get_32bit_elf_symbols (file, section) \
: get_64bit_elf_symbols (file, section))
already been called and verified that the string exists. */
#define GET_DYNAMIC_NAME(offset) (dynamic_strings + offset)
-/* 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)
-
#define REMOVE_ARCH_BITS(ADDR) do { \
if (elf_header.e_machine == EM_ARM) \
(ADDR) &= ~1; \
return mvar;
}
-static void
-byte_put_little_endian (unsigned char * field, bfd_vma value, int size)
-{
- switch (size)
- {
- case 8:
- field[7] = (((value >> 24) >> 24) >> 8) & 0xff;
- field[6] = ((value >> 24) >> 24) & 0xff;
- field[5] = ((value >> 24) >> 16) & 0xff;
- field[4] = ((value >> 24) >> 8) & 0xff;
- /* Fall through. */
- case 4:
- field[3] = (value >> 24) & 0xff;
- /* Fall through. */
- case 3:
- field[2] = (value >> 16) & 0xff;
- /* Fall through. */
- case 2:
- field[1] = (value >> 8) & 0xff;
- /* Fall through. */
- case 1:
- field[0] = value & 0xff;
- break;
-
- default:
- error (_("Unhandled data length: %d\n"), size);
- abort ();
- }
-}
-
/* Print a VMA value. */
static int
Returns the number of emitted characters. */
static unsigned int
-print_symbol (int width, const char * symbol)
+print_symbol (int width, const char *symbol)
{
- const char * c;
+ const char *c;
bfd_boolean extra_padding = FALSE;
unsigned int num_printed = 0;
if (do_wide)
{
- /* Set the width to a very large value. This simplifies the code below. */
+ /* Set the width to a very large value. This simplifies the
+ code below. */
width = INT_MAX;
}
else if (width < 0)
/* Look for non-printing symbols inside the symbol's name.
This test is triggered in particular by the names generated
by the assembler for local labels. */
- while (ISPRINT (* c))
+ while (ISPRINT (*c))
c++;
len = c - symbol;
num_printed += len;
}
- if (* c == 0 || width == 0)
+ if (*c == 0 || width == 0)
break;
/* Now display the non-printing character, if
there is room left in which to dipslay it. */
- if (*c < 32)
+ if ((unsigned char) *c < 32)
{
if (width < 2)
break;
if (width < 6)
break;
- printf ("<0x%.2x>", *c);
+ printf ("<0x%.2x>", (unsigned char) *c);
width -= 6;
num_printed += 6;
return num_printed;
}
-static void
-byte_put_big_endian (unsigned char * field, bfd_vma value, int size)
-{
- switch (size)
- {
- case 8:
- field[7] = value & 0xff;
- field[6] = (value >> 8) & 0xff;
- field[5] = (value >> 16) & 0xff;
- field[4] = (value >> 24) & 0xff;
- value >>= 16;
- value >>= 16;
- /* Fall through. */
- case 4:
- field[3] = value & 0xff;
- value >>= 8;
- /* Fall through. */
- case 3:
- field[2] = value & 0xff;
- value >>= 8;
- /* Fall through. */
- case 2:
- field[1] = value & 0xff;
- value >>= 8;
- /* Fall through. */
- case 1:
- field[0] = value & 0xff;
- break;
-
- default:
- error (_("Unhandled data length: %d\n"), size);
- abort ();
- }
-}
-
/* Return a pointer to section NAME, or NULL if no such section exists. */
static Elf_Internal_Shdr *
decode_ARM_machine_flags (e_flags, buf);
break;
+ case EM_BLACKFIN:
+ if (e_flags & EF_BFIN_PIC)
+ strcat (buf, ", PIC");
+
+ if (e_flags & EF_BFIN_FDPIC)
+ strcat (buf, ", FDPIC");
+
+ if (e_flags & EF_BFIN_CODE_IN_L1)
+ strcat (buf, ", code in L1");
+
+ if (e_flags & EF_BFIN_DATA_IN_L1)
+ strcat (buf, ", data in L1");
+
+ break;
+
case EM_CYGNUS_FRV:
switch (e_flags & EF_FRV_CPU_MASK)
{
case E_MIPS_MACH_9000: strcat (buf, ", 9000"); break;
case E_MIPS_MACH_LS2E: strcat (buf, ", loongson-2e"); break;
case E_MIPS_MACH_LS2F: strcat (buf, ", loongson-2f"); break;
+ case E_MIPS_MACH_LS3A: strcat (buf, ", loongson-3a"); break;
case E_MIPS_MACH_OCTEON: strcat (buf, ", octeon"); break;
case E_MIPS_MACH_OCTEON2: strcat (buf, ", octeon2"); break;
case E_MIPS_MACH_XLR: strcat (buf, ", xlr"); break;
-w[lLiaprmfFsoRt] or\n\
--debug-dump[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,\n\
=frames-interp,=str,=loc,=Ranges,=pubtypes,\n\
- =trace_info,=trace_abbrev,=trace_aranges]\n\
+ =gdb_index,=trace_info,=trace_abbrev,=trace_aranges]\n\
Display the contents of DWARF2 debug sections\n"));
#ifdef SUPPORT_DISASSEMBLY
fprintf (stream, _("\
if (section_headers != NULL
&& elf_header.e_phnum == PN_XNUM
&& section_headers[0].sh_info != 0)
- printf (_(" (%ld)"), (long) section_headers[0].sh_info);
+ printf (" (%ld)", (long) section_headers[0].sh_info);
putc ('\n', stdout);
printf (_(" Size of section headers: %ld (bytes)\n"),
(long) elf_header.e_shentsize);
if (elf_header.e_phnum == 0)
{
- if (do_segments)
+ /* PR binutils/12467. */
+ if (elf_header.e_phoff != 0)
+ warn (_("possibly corrupt ELF header - it has a non-zero program"
+ " header offset, but no program headers"));
+ else if (do_segments)
printf (_("\nThere are no program headers in this file.\n"));
return 0;
}
if (elf_header.e_shnum == 0)
{
- if (do_sections)
+ /* PR binutils/12467. */
+ if (elf_header.e_shoff != 0)
+ warn (_("possibly corrupt ELF file header - it has a non-zero"
+ " section header offset, but no section headers\n"));
+ else if (do_sections)
printf (_("\nThere are no sections in this file.\n"));
return 1;
request_dump_bynumber (i, DEBUG_DUMP);
else if (do_debug_frames && streq (name, ".eh_frame"))
request_dump_bynumber (i, DEBUG_DUMP);
+ else if (do_gdb_index && streq (name, ".gdb_index"))
+ request_dump_bynumber (i, DEBUG_DUMP);
/* Trace sections for Itanium VMS. */
else if ((do_debugging || do_trace_info || do_trace_abbrevs
|| do_trace_aranges)
if (elf_header.e_shnum == 0)
{
if (do_section_groups)
- printf (_("\nThere are no sections in this file.\n"));
+ printf (_("\nThere are no sections to group in this file.\n"));
return 1;
}
printf (_("[Truncated opcode]\n")); \
return; \
} \
- printf (_("0x%02x "), OP)
+ printf ("0x%02x ", OP)
if (remaining == 0)
{
op = word >> 24;
word <<= 8;
- printf (_(" 0x%02x "), op);
+ printf (" 0x%02x ", op);
if ((op & 0xc0) == 0x00)
{
int offset = ((op & 0x3f) << 2) + 4;
- printf (_(" vsp = vsp + %d"), offset);
+ printf (" vsp = vsp + %d", offset);
}
else if ((op & 0xc0) == 0x40)
{
int offset = ((op & 0x3f) << 2) + 4;
- printf (_(" vsp = vsp - %d"), offset);
+ printf (" vsp = vsp - %d", offset);
}
else if ((op & 0xf0) == 0x80)
{
if (op == 0x9d || op == 0x9f)
printf (_(" [Reserved]"));
else
- printf (_(" vsp = r%d"), op & 0x0f);
+ printf (" vsp = r%d", op & 0x0f);
}
else if ((op & 0xf0) == 0xa0)
{
offset = read_uleb128 (buf, &len);
assert (len == i + 1);
offset = offset * 4 + 0x204;
- printf (_("vsp = vsp + %ld"), offset);
+ printf ("vsp = vsp + %ld", offset);
}
else
{
return reloc_type == 1; /* R_68K_32. */
case EM_860:
return reloc_type == 1; /* R_860_32. */
+ case EM_960:
+ return reloc_type == 2; /* R_960_32. */
case EM_ALPHA:
- return reloc_type == 1; /* XXX Is this right ? */
+ return reloc_type == 1; /* R_ALPHA_REFLONG. */
case EM_ARC:
return reloc_type == 1; /* R_ARC_32. */
case EM_ARM:
return reloc_type == 1; /* R_MCORE_ADDR32. */
case EM_CYGNUS_MEP:
return reloc_type == 4; /* R_MEP_32. */
+ case EM_MICROBLAZE:
+ return reloc_type == 1; /* R_MICROBLAZE_32. */
case EM_MIPS:
return reloc_type == 2; /* R_MIPS_32. */
case EM_MMIX:
return reloc_type == 10; /* R_ALPHA_SREL32. */
case EM_ARM:
return reloc_type == 3; /* R_ARM_REL32 */
+ case EM_MICROBLAZE:
+ return reloc_type == 2; /* R_MICROBLAZE_32_PCREL. */
case EM_PARISC:
return reloc_type == 9; /* R_PARISC_PCREL32. */
case EM_PPC:
putchar ('\n');
}
-/* Uncompresses a section that was compressed using zlib, in place.
- This is a copy of bfd_uncompress_section_contents, in bfd/compress.c */
+/* Uncompresses a section that was compressed using zlib, in place. */
static int
uncompress_section_contents (unsigned char **buffer ATTRIBUTE_UNUSED,
fail:
free (uncompressed_buffer);
+ /* Indicate decompression failure. */
+ *buffer = NULL;
return 0;
#endif /* HAVE_ZLIB_H */
}
{
struct dwarf_section * section = &debug_displays [debug].section;
char buf [64];
- int section_is_compressed;
/* If it is already loaded, do nothing. */
if (section->start != NULL)
return 1;
- section_is_compressed = section->name == section->compressed_name;
-
snprintf (buf, sizeof (buf), _("%s section data"), section->name);
section->address = sec->sh_addr;
section->size = sec->sh_size;
section->start = (unsigned char *) get_data (NULL, (FILE *) file,
sec->sh_offset, 1,
sec->sh_size, buf);
+ if (uncompress_section_contents (§ion->start, §ion->size))
+ sec->sh_size = section->size;
+
if (section->start == NULL)
return 0;
- if (section_is_compressed)
- {
- if (! uncompress_section_contents (§ion->start, §ion->size))
- return 0;
- sec->sh_size = section->size;
- }
-
if (debug_displays [debug].relocate)
apply_relocations ((FILE *) file, sec, section->start);
}
return p;
- case 32:
- /* Tag_compatibility - treated as generic by binutils for now
- although not currently specified for C6X. */
+ case Tag_ABI_wchar_t:
+ val = read_uleb128 (p, &len);
+ p += len;
+ printf (" Tag_ABI_wchar_t: ");
+ switch (val)
+ {
+ case 0:
+ printf (_("Not used\n"));
+ break;
+ case 1:
+ printf (_("2 bytes\n"));
+ break;
+ case 2:
+ printf (_("4 bytes\n"));
+ break;
+ default:
+ printf ("??? (%d)\n", val);
+ break;
+ }
+ return p;
+
+ case Tag_ABI_stack_align_needed:
+ val = read_uleb128 (p, &len);
+ p += len;
+ printf (" Tag_ABI_stack_align_needed: ");
+ switch (val)
+ {
+ case 0:
+ printf (_("8-byte\n"));
+ break;
+ case 1:
+ printf (_("16-byte\n"));
+ break;
+ default:
+ printf ("??? (%d)\n", val);
+ break;
+ }
+ return p;
+
+ case Tag_ABI_stack_align_preserved:
+ val = read_uleb128 (p, &len);
+ p += len;
+ printf (" Tag_ABI_stack_align_preserved: ");
+ switch (val)
+ {
+ case 0:
+ printf (_("8-byte\n"));
+ break;
+ case 1:
+ printf (_("16-byte\n"));
+ break;
+ default:
+ printf ("??? (%d)\n", val);
+ break;
+ }
+ return p;
+
+ case Tag_ABI_DSBT:
val = read_uleb128 (p, &len);
p += len;
+ printf (" Tag_ABI_DSBT: ");
+ switch (val)
+ {
+ case 0:
+ printf (_("DSBT addressing not used\n"));
+ break;
+ case 1:
+ printf (_("DSBT addressing used\n"));
+ break;
+ default:
+ printf ("??? (%d)\n", val);
+ break;
+ }
+ return p;
+
+ case Tag_ABI_PID:
+ val = read_uleb128 (p, &len);
+ p += len;
+ printf (" Tag_ABI_PID: ");
+ switch (val)
+ {
+ case 0:
+ printf (_("Data addressing position-dependent\n"));
+ break;
+ case 1:
+ printf (_("Data addressing position-independent, GOT near DP\n"));
+ break;
+ case 2:
+ printf (_("Data addressing position-independent, GOT far from DP\n"));
+ break;
+ default:
+ printf ("??? (%d)\n", val);
+ break;
+ }
+ return p;
+
+ case Tag_ABI_PIC:
+ val = read_uleb128 (p, &len);
+ p += len;
+ printf (" Tag_ABI_PIC: ");
+ switch (val)
+ {
+ case 0:
+ printf (_("Code addressing position-dependent\n"));
+ break;
+ case 1:
+ printf (_("Code addressing position-independent\n"));
+ break;
+ default:
+ printf ("??? (%d)\n", val);
+ break;
+ }
+ return p;
+
+ case Tag_ABI_array_object_alignment:
+ val = read_uleb128 (p, &len);
+ p += len;
+ printf (" Tag_ABI_array_object_alignment: ");
+ switch (val)
+ {
+ case 0:
+ printf (_("8-byte\n"));
+ break;
+ case 1:
+ printf (_("4-byte\n"));
+ break;
+ case 2:
+ printf (_("16-byte\n"));
+ break;
+ default:
+ printf ("??? (%d)\n", val);
+ break;
+ }
+ return p;
+
+ case Tag_ABI_array_object_align_expected:
+ val = read_uleb128 (p, &len);
+ p += len;
+ printf (" Tag_ABI_array_object_align_expected: ");
+ switch (val)
+ {
+ case 0:
+ printf (_("8-byte\n"));
+ break;
+ case 1:
+ printf (_("4-byte\n"));
+ break;
+ case 2:
+ printf (_("16-byte\n"));
+ break;
+ default:
+ printf ("??? (%d)\n", val);
+ break;
+ }
+ return p;
+
+ case Tag_ABI_compatibility:
+ val = read_uleb128 (p, &len);
+ p += len;
+ printf (" Tag_ABI_compatibility: ");
printf (_("flag = %d, vendor = %s\n"), val, p);
p += strlen ((char *) p) + 1;
return p;
+
+ case Tag_ABI_conformance:
+ printf (" Tag_ABI_conformance: ");
+ printf ("\"%s\"\n", p);
+ p += strlen ((char *) p) + 1;
+ return p;
}
printf (" Tag_unknown_%d: ", tag);
- /* No general documentation of handling unknown attributes, treat as
- ULEB128 for now. */
- val = read_uleb128 (p, &len);
- p += len;
- printf ("%d (0x%x)\n", val, val);
+ if (tag & 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;
}
if (ent < local_end)
{
printf (_(" Local entries:\n"));
- printf (_(" %*s %10s %*s\n"),
+ printf (" %*s %10s %*s\n",
addr_size * 2, _("Address"), _("Access"),
addr_size * 2, _("Initial"));
while (ent < local_end)
int sym_width;
printf (_(" Global entries:\n"));
- printf (_(" %*s %10s %*s %*s %-7s %3s %s\n"),
+ printf (" %*s %10s %*s %*s %-7s %3s %s\n",
addr_size * 2, _("Address"), _("Access"),
addr_size * 2, _("Initial"),
addr_size * 2, _("Sym.Val."), _("Type"), _("Ndx"), _("Name"));
printf ("\n");
printf (_(" Entries:\n"));
- printf (_(" %*s %*s %*s %-7s %3s %s\n"),
+ printf (" %*s %*s %*s %-7s %3s %s\n",
addr_size * 2, _("Address"),
addr_size * 2, _("Initial"),
addr_size * 2, _("Sym.Val."), _("Type"), _("Ndx"), _("Name"));
dynamic_syminfo = NULL;
}
+ if (dynamic_section)
+ {
+ free (dynamic_section);
+ dynamic_section = NULL;
+ }
+
if (section_headers_groups)
{
free (section_headers_groups);
return 0;
}
-/* Return the path name for a proxy entry in a thin archive, adjusted relative
- to the path name of the thin archive itself if necessary. Always returns
- a pointer to malloc'ed memory. */
-
-static char *
-adjust_relative_path (char * file_name, char * name, int name_len)
-{
- char * member_file_name;
- const char * base_name = lbasename (file_name);
-
- /* This is a proxy entry for a thin archive member.
- If the extended name table contains an absolute path
- name, or if the archive is in the current directory,
- use the path name as given. Otherwise, we need to
- find the member relative to the directory where the
- archive is located. */
- if (IS_ABSOLUTE_PATH (name) || base_name == file_name)
- {
- member_file_name = (char *) malloc (name_len + 1);
- if (member_file_name == NULL)
- {
- error (_("Out of memory\n"));
- return NULL;
- }
- memcpy (member_file_name, name, name_len);
- member_file_name[name_len] = '\0';
- }
- else
- {
- /* Concatenate the path components of the archive file name
- to the relative path name from the extended name table. */
- size_t prefix_len = base_name - file_name;
- member_file_name = (char *) malloc (prefix_len + name_len + 1);
- if (member_file_name == NULL)
- {
- error (_("Out of memory\n"));
- return NULL;
- }
- memcpy (member_file_name, file_name, prefix_len);
- memcpy (member_file_name + prefix_len, name, name_len);
- member_file_name[prefix_len + name_len] = '\0';
- }
- return member_file_name;
-}
-
-/* Structure to hold information about an archive file. */
-
-struct archive_info
-{
- char * file_name; /* Archive file name. */
- FILE * file; /* Open file descriptor. */
- unsigned long index_num; /* Number of symbols in table. */
- unsigned long * index_array; /* The array of member offsets. */
- char * sym_table; /* The symbol table. */
- unsigned long sym_size; /* Size of the symbol table. */
- char * longnames; /* The long file names table. */
- unsigned long longnames_size; /* Size of the long file names table. */
- unsigned long nested_member_origin; /* Origin in the nested archive of the current member. */
- unsigned long next_arhdr_offset; /* Offset of the next archive header. */
- bfd_boolean is_thin_archive; /* TRUE if this is a thin archive. */
- struct ar_hdr arhdr; /* Current archive header. */
-};
-
-/* Read the symbol table and long-name table from an archive. */
-
-static int
-setup_archive (struct archive_info * arch, char * file_name, FILE * file,
- bfd_boolean is_thin_archive, bfd_boolean read_symbols)
-{
- size_t got;
- unsigned long size;
-
- arch->file_name = strdup (file_name);
- arch->file = file;
- arch->index_num = 0;
- arch->index_array = NULL;
- arch->sym_table = NULL;
- arch->sym_size = 0;
- arch->longnames = NULL;
- arch->longnames_size = 0;
- arch->nested_member_origin = 0;
- arch->is_thin_archive = is_thin_archive;
- arch->next_arhdr_offset = SARMAG;
-
- /* Read the first archive member header. */
- if (fseek (file, SARMAG, SEEK_SET) != 0)
- {
- error (_("%s: failed to seek to first archive header\n"), file_name);
- return 1;
- }
- got = fread (&arch->arhdr, 1, sizeof arch->arhdr, file);
- if (got != sizeof arch->arhdr)
- {
- if (got == 0)
- return 0;
-
- error (_("%s: failed to read archive header\n"), file_name);
- return 1;
- }
-
- /* See if this is the archive symbol table. */
- if (const_strneq (arch->arhdr.ar_name, "/ ")
- || const_strneq (arch->arhdr.ar_name, "/SYM64/ "))
- {
- size = strtoul (arch->arhdr.ar_size, NULL, 10);
- size = size + (size & 1);
-
- arch->next_arhdr_offset += sizeof arch->arhdr + size;
-
- if (read_symbols)
- {
- unsigned long i;
- /* A buffer used to hold numbers read in from an archive index.
- These are always 4 bytes long and stored in big-endian format. */
-#define SIZEOF_AR_INDEX_NUMBERS 4
- unsigned char integer_buffer[SIZEOF_AR_INDEX_NUMBERS];
- unsigned char * index_buffer;
-
- /* Check the size of the archive index. */
- if (size < SIZEOF_AR_INDEX_NUMBERS)
- {
- error (_("%s: the archive index is empty\n"), file_name);
- return 1;
- }
-
- /* Read the numer of entries in the archive index. */
- got = fread (integer_buffer, 1, sizeof integer_buffer, file);
- if (got != sizeof (integer_buffer))
- {
- error (_("%s: failed to read archive index\n"), file_name);
- return 1;
- }
- arch->index_num = byte_get_big_endian (integer_buffer, sizeof integer_buffer);
- size -= SIZEOF_AR_INDEX_NUMBERS;
-
- /* Read in the archive index. */
- if (size < arch->index_num * SIZEOF_AR_INDEX_NUMBERS)
- {
- error (_("%s: the archive index is supposed to have %ld entries, but the size in the header is too small\n"),
- file_name, arch->index_num);
- return 1;
- }
- index_buffer = (unsigned char *)
- malloc (arch->index_num * SIZEOF_AR_INDEX_NUMBERS);
- if (index_buffer == NULL)
- {
- error (_("Out of memory whilst trying to read archive symbol index\n"));
- return 1;
- }
- got = fread (index_buffer, SIZEOF_AR_INDEX_NUMBERS, arch->index_num, file);
- if (got != arch->index_num)
- {
- free (index_buffer);
- error (_("%s: failed to read archive index\n"), file_name);
- return 1;
- }
- size -= arch->index_num * SIZEOF_AR_INDEX_NUMBERS;
-
- /* Convert the index numbers into the host's numeric format. */
- arch->index_array = (long unsigned int *)
- malloc (arch->index_num * sizeof (* arch->index_array));
- if (arch->index_array == NULL)
- {
- free (index_buffer);
- error (_("Out of memory whilst trying to convert the archive symbol index\n"));
- return 1;
- }
-
- for (i = 0; i < arch->index_num; i++)
- arch->index_array[i] = byte_get_big_endian ((unsigned char *) (index_buffer + (i * SIZEOF_AR_INDEX_NUMBERS)),
- SIZEOF_AR_INDEX_NUMBERS);
- free (index_buffer);
-
- /* The remaining space in the header is taken up by the symbol table. */
- if (size < 1)
- {
- error (_("%s: the archive has an index but no symbols\n"), file_name);
- return 1;
- }
- arch->sym_table = (char *) malloc (size);
- arch->sym_size = size;
- if (arch->sym_table == NULL)
- {
- error (_("Out of memory whilst trying to read archive index symbol table\n"));
- return 1;
- }
- got = fread (arch->sym_table, 1, size, file);
- if (got != size)
- {
- error (_("%s: failed to read archive index symbol table\n"), file_name);
- return 1;
- }
- }
- else
- {
- if (fseek (file, size, SEEK_CUR) != 0)
- {
- error (_("%s: failed to skip archive symbol table\n"), file_name);
- return 1;
- }
- }
-
- /* Read the next archive header. */
- got = fread (&arch->arhdr, 1, sizeof arch->arhdr, file);
- if (got != sizeof arch->arhdr)
- {
- if (got == 0)
- return 0;
- error (_("%s: failed to read archive header following archive index\n"), file_name);
- return 1;
- }
- }
- else if (read_symbols)
- printf (_("%s has no archive index\n"), file_name);
-
- if (const_strneq (arch->arhdr.ar_name, "// "))
- {
- /* This is the archive string table holding long member names. */
- arch->longnames_size = strtoul (arch->arhdr.ar_size, NULL, 10);
- arch->next_arhdr_offset += sizeof arch->arhdr + arch->longnames_size;
-
- arch->longnames = (char *) malloc (arch->longnames_size);
- if (arch->longnames == NULL)
- {
- error (_("Out of memory reading long symbol names in archive\n"));
- return 1;
- }
-
- if (fread (arch->longnames, arch->longnames_size, 1, file) != 1)
- {
- free (arch->longnames);
- arch->longnames = NULL;
- error (_("%s: failed to read long symbol name string table\n"), file_name);
- return 1;
- }
-
- if ((arch->longnames_size & 1) != 0)
- getc (file);
- }
-
- return 0;
-}
-
-/* Release the memory used for the archive information. */
-
-static void
-release_archive (struct archive_info * arch)
-{
- if (arch->file_name != NULL)
- free (arch->file_name);
- if (arch->index_array != NULL)
- free (arch->index_array);
- if (arch->sym_table != NULL)
- free (arch->sym_table);
- if (arch->longnames != NULL)
- free (arch->longnames);
-}
-
-/* Open and setup a nested archive, if not already open. */
-
-static int
-setup_nested_archive (struct archive_info * nested_arch, char * member_file_name)
-{
- FILE * member_file;
-
- /* Have we already setup this archive? */
- if (nested_arch->file_name != NULL
- && streq (nested_arch->file_name, member_file_name))
- return 0;
-
- /* Close previous file and discard cached information. */
- if (nested_arch->file != NULL)
- fclose (nested_arch->file);
- release_archive (nested_arch);
-
- member_file = fopen (member_file_name, "rb");
- if (member_file == NULL)
- return 1;
- return setup_archive (nested_arch, member_file_name, member_file, FALSE, FALSE);
-}
-
-static char *
-get_archive_member_name_at (struct archive_info * arch,
- unsigned long offset,
- struct archive_info * nested_arch);
-
-/* Get the name of an archive member from the current archive header.
- For simple names, this will modify the ar_name field of the current
- archive header. For long names, it will return a pointer to the
- longnames table. For nested archives, it will open the nested archive
- and get the name recursively. NESTED_ARCH is a single-entry cache so
- we don't keep rereading the same information from a nested archive. */
-
-static char *
-get_archive_member_name (struct archive_info * arch,
- struct archive_info * nested_arch)
-{
- unsigned long j, k;
-
- if (arch->arhdr.ar_name[0] == '/')
- {
- /* We have a long name. */
- char * endp;
- char * member_file_name;
- char * member_name;
-
- arch->nested_member_origin = 0;
- k = j = strtoul (arch->arhdr.ar_name + 1, &endp, 10);
- if (arch->is_thin_archive && endp != NULL && * endp == ':')
- arch->nested_member_origin = strtoul (endp + 1, NULL, 10);
-
- while ((j < arch->longnames_size)
- && (arch->longnames[j] != '\n')
- && (arch->longnames[j] != '\0'))
- j++;
- if (arch->longnames[j-1] == '/')
- j--;
- arch->longnames[j] = '\0';
-
- if (!arch->is_thin_archive || arch->nested_member_origin == 0)
- return arch->longnames + k;
-
- /* This is a proxy for a member of a nested archive.
- Find the name of the member in that archive. */
- member_file_name = adjust_relative_path (arch->file_name, arch->longnames + k, j - k);
- if (member_file_name != NULL
- && setup_nested_archive (nested_arch, member_file_name) == 0
- && (member_name = get_archive_member_name_at (nested_arch, arch->nested_member_origin, NULL)) != NULL)
- {
- free (member_file_name);
- return member_name;
- }
- free (member_file_name);
-
- /* Last resort: just return the name of the nested archive. */
- return arch->longnames + k;
- }
-
- /* We have a normal (short) name. */
- j = 0;
- while ((arch->arhdr.ar_name[j] != '/')
- && (j < sizeof (arch->arhdr.ar_name) - 1))
- j++;
- arch->arhdr.ar_name[j] = '\0';
- return arch->arhdr.ar_name;
-}
-
-/* Get the name of an archive member at a given OFFSET within an archive ARCH. */
-
-static char *
-get_archive_member_name_at (struct archive_info * arch,
- unsigned long offset,
- struct archive_info * nested_arch)
-{
- size_t got;
-
- if (fseek (arch->file, offset, SEEK_SET) != 0)
- {
- error (_("%s: failed to seek to next file name\n"), arch->file_name);
- return NULL;
- }
- got = fread (&arch->arhdr, 1, sizeof arch->arhdr, arch->file);
- if (got != sizeof arch->arhdr)
- {
- error (_("%s: failed to read archive header\n"), arch->file_name);
- return NULL;
- }
- if (memcmp (arch->arhdr.ar_fmag, ARFMAG, 2) != 0)
- {
- error (_("%s: did not find a valid archive header\n"), arch->file_name);
- return NULL;
- }
-
- return get_archive_member_name (arch, nested_arch);
-}
-
-/* Construct a string showing the name of the archive member, qualified
- with the name of the containing archive file. For thin archives, we
- use square brackets to denote the indirection. For nested archives,
- we show the qualified name of the external member inside the square
- brackets (e.g., "thin.a[normal.a(foo.o)]"). */
-
-static char *
-make_qualified_name (struct archive_info * arch,
- struct archive_info * nested_arch,
- char * member_name)
-{
- size_t len;
- char * name;
-
- len = strlen (arch->file_name) + strlen (member_name) + 3;
- if (arch->is_thin_archive && arch->nested_member_origin != 0)
- len += strlen (nested_arch->file_name) + 2;
-
- name = (char *) malloc (len);
- if (name == NULL)
- {
- error (_("Out of memory\n"));
- return NULL;
- }
-
- if (arch->is_thin_archive && arch->nested_member_origin != 0)
- snprintf (name, len, "%s[%s(%s)]", arch->file_name, nested_arch->file_name, member_name);
- else if (arch->is_thin_archive)
- snprintf (name, len, "%s[%s]", arch->file_name, member_name);
- else
- snprintf (name, len, "%s(%s)", arch->file_name, member_name);
-
- return name;
-}
-
/* Process an ELF archive.
On entry the file is positioned just after the ARMAG string. */
ret |= process_object (qualified_name, file);
}
+ if (dump_sects != NULL)
+ {
+ free (dump_sects);
+ dump_sects = NULL;
+ num_dump_sects = 0;
+ }
+
free (qualified_name);
}