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author | Richard Sandiford <rdsandiford@googlemail.com> | 2008-03-20 10:53:11 +0000 |
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committer | Richard Sandiford <rdsandiford@googlemail.com> | 2008-03-20 10:53:11 +0000 |
commit | ccb4c9519b8b4528411a85b654af60c7dd598894 (patch) | |
tree | aa0b1ca991bdaa02f5f3cb701bf727f7cc697d70 /binutils/readelf.c | |
parent | 51e38d68782784e67211a66c5408d1c1943f1aa9 (diff) | |
download | gdb-ccb4c9519b8b4528411a85b654af60c7dd598894.zip gdb-ccb4c9519b8b4528411a85b654af60c7dd598894.tar.gz gdb-ccb4c9519b8b4528411a85b654af60c7dd598894.tar.bz2 |
binutils/
* readelf.c (print_mips_got_entry): New function.
(process_mips_specific): Print GOT information.
ld/testsuite/
* ld-mips-elf/got-dump-1.d, ld-mips-elf/got-dump-1.s,
ld-mips-elf/got-dump-1.ld, ld-mips-elf/got-dump-2.d,
ld-mips-elf/got-dump-2.s, ld-mips-elf/got-dump-2.ld: New tests.
* ld-mips-elf/mips-elf.exp: Run them.
Diffstat (limited to 'binutils/readelf.c')
-rw-r--r-- | binutils/readelf.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/binutils/readelf.c b/binutils/readelf.c index e9c380f..2807f26 100644 --- a/binutils/readelf.c +++ b/binutils/readelf.c @@ -9125,6 +9125,33 @@ process_power_specific (FILE *file) display_power_gnu_attribute); } +/* DATA points to the contents of a MIPS GOT that starts at VMA PLTGOT. + Print the Address, Access and Initial fields of an entry at VMA ADDR + and return the VMA of the next entry. */ + +static bfd_vma +print_mips_got_entry (unsigned char *data, bfd_vma pltgot, bfd_vma addr) +{ + printf (" "); + print_vma (addr, LONG_HEX); + printf (" "); + if (addr < pltgot + 0xfff0) + printf ("%6d(gp)", (int) (addr - pltgot - 0x7ff0)); + else + printf ("%10s", ""); + printf (" "); + if (data == NULL) + printf ("%*s", is_32bit_elf ? 8 : 16, "<unknown>"); + else + { + bfd_vma entry; + + entry = byte_get (data + addr - pltgot, is_32bit_elf ? 4 : 8); + print_vma (entry, LONG_HEX); + } + return addr + (is_32bit_elf ? 4 : 8); +} + static int process_mips_specific (FILE *file) { @@ -9134,6 +9161,10 @@ process_mips_specific (FILE *file) size_t conflictsno = 0; size_t options_offset = 0; size_t conflicts_offset = 0; + bfd_vma pltgot = 0; + bfd_vma local_gotno = 0; + bfd_vma gotsym = 0; + bfd_vma symtabno = 0; process_attributes (file, NULL, SHT_GNU_ATTRIBUTES, NULL, display_mips_gnu_attribute); @@ -9165,6 +9196,17 @@ process_mips_specific (FILE *file) case DT_MIPS_CONFLICTNO: conflictsno = entry->d_un.d_val; break; + case DT_PLTGOT: + pltgot = entry->d_un.d_val; + case DT_MIPS_LOCAL_GOTNO: + local_gotno = entry->d_un.d_val; + break; + case DT_MIPS_GOTSYM: + gotsym = entry->d_un.d_val; + break; + case DT_MIPS_SYMTABNO: + symtabno = entry->d_un.d_val; + break; default: break; } @@ -9515,6 +9557,87 @@ process_mips_specific (FILE *file) free (iconf); } + if (pltgot != 0 && local_gotno != 0) + { + bfd_vma entry, local_end, global_end; + size_t addr_size, i, offset; + unsigned char *data; + + entry = pltgot; + addr_size = (is_32bit_elf ? 4 : 8); + local_end = pltgot + local_gotno * addr_size; + global_end = local_end + (symtabno - gotsym) * addr_size; + + offset = offset_from_vma (file, pltgot, global_end - pltgot); + data = get_data (NULL, file, offset, global_end - pltgot, 1, _("GOT")); + printf (_("\nPrimary GOT:\n")); + printf (_(" Canonical gp value: ")); + print_vma (pltgot + 0x7ff0, LONG_HEX); + printf ("\n\n"); + + printf (_(" Reserved entries:\n")); + printf (_(" %*s %10s %*s Purpose\n"), + addr_size * 2, "Address", "Access", + addr_size * 2, "Initial"); + entry = print_mips_got_entry (data, pltgot, entry); + printf (" Lazy resolver\n"); + if (data + && (byte_get (data + entry - pltgot, addr_size) + >> (addr_size * 8 - 1)) != 0) + { + entry = print_mips_got_entry (data, pltgot, entry); + printf (" Module pointer (GNU extension)\n"); + } + printf ("\n"); + + if (entry < local_end) + { + printf (_(" Local entries:\n")); + printf (_(" %*s %10s %*s\n"), + addr_size * 2, "Address", "Access", + addr_size * 2, "Initial"); + while (entry < local_end) + { + entry = print_mips_got_entry (data, pltgot, entry); + printf ("\n"); + } + printf ("\n"); + } + + if (gotsym < symtabno) + { + int sym_width; + + printf (_(" Global entries:\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"); + sym_width = (is_32bit_elf ? 80 : 160) - 28 - addr_size * 6 - 1; + for (i = gotsym; i < symtabno; i++) + { + Elf_Internal_Sym *psym; + + psym = dynamic_symbols + i; + entry = print_mips_got_entry (data, pltgot, entry); + printf (" "); + print_vma (psym->st_value, LONG_HEX); + printf (" %-7s %3s ", + get_symbol_type (ELF_ST_TYPE (psym->st_info)), + get_symbol_index_type (psym->st_shndx)); + if (VALID_DYNAMIC_NAME (psym->st_name)) + print_symbol (sym_width, GET_DYNAMIC_NAME (psym->st_name)); + else + printf ("<corrupt: %14ld>", psym->st_name); + printf ("\n"); + } + printf ("\n"); + } + + if (data) + free (data); + } + return 1; } |