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| author | Richard Sandiford <rdsandiford@googlemail.com> | 2011-05-06 10:21:32 +0000 |
|---|---|---|
| committer | Richard Sandiford <rdsandiford@googlemail.com> | 2011-05-06 10:21:32 +0000 |
| commit | 7d24e6a65a15d57859faadac48cd1cfa79f1b94d (patch) | |
| tree | 716b57b4eadbe7141184c8ac08e45de0ecb354e3 /bfd/elf32-arm.c | |
| parent | 1342dcfc8294c553c3f1f67652b306a1b1573533 (diff) | |
| download | gdb-7d24e6a65a15d57859faadac48cd1cfa79f1b94d.zip gdb-7d24e6a65a15d57859faadac48cd1cfa79f1b94d.tar.gz gdb-7d24e6a65a15d57859faadac48cd1cfa79f1b94d.tar.bz2 | |
bfd/
* elf32-arm.c (cortex_a8_erratum_scan): If the stub is a Thumb
branch to a PLT entry, redirect it to the PLT's Thumb entry point.
ld/testsuite/
* ld-arm/cortex-a8-fix-b-plt.s, ld-arm/cortex-a8-fix-b-plt.d,
ld-arm/cortex-a8-fix-bcc-plt.s, ld-arm/cortex-a8-fix-bcc-plt.d,
ld-arm/cortex-a8-fix-bl-plt.s, ld-arm/cortex-a8-fix-bl-plt.d,
ld-arm/cortex-a8-fix-blx-plt.s, ld-arm/cortex-a8-fix-blx-plt.d,
ld-arm/cortex-a8-fix-plt.ld: New tests.
* ld-arm/arm-elf.exp: Run them.
Diffstat (limited to 'bfd/elf32-arm.c')
| -rw-r--r-- | bfd/elf32-arm.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c index 035d584..faf18d0 100644 --- a/bfd/elf32-arm.c +++ b/bfd/elf32-arm.c @@ -4556,6 +4556,7 @@ cortex_a8_erratum_scan (bfd *input_bfd, bfd_vma target; enum elf32_arm_stub_type stub_type = arm_stub_none; struct a8_erratum_reloc key, *found; + bfd_boolean use_plt = FALSE; key.from = base_vma + i; found = (struct a8_erratum_reloc *) @@ -4567,7 +4568,6 @@ cortex_a8_erratum_scan (bfd *input_bfd, { char *error_message = NULL; struct elf_link_hash_entry *entry; - bfd_boolean use_plt = FALSE; /* We don't care about the error returned from this function, only if there is glue or not. */ @@ -4671,6 +4671,12 @@ cortex_a8_erratum_scan (bfd *input_bfd, offset = (bfd_signed_vma) (found->destination - pc_for_insn); + /* If the stub will use a Thumb-mode branch to a + PLT target, redirect it to the preceding Thumb + entry point. */ + if (stub_type != arm_stub_a8_veneer_blx && use_plt) + offset -= PLT_THUMB_STUB_SIZE; + target = pc_for_insn + offset; /* The BLX stub is ARM-mode code. Adjust the offset to |