openwrt-owl/toolchain/binutils/patches/2.22/999-ppc-textrels.patch

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2012-02-08 15:49:48 +00:00
http://bugs.gentoo.org/392645
http://sourceware.org/bugzilla/show_bug.cgi?id=13470
2011-12-03 Alan Modra <amodra@gmail.com>
PR ld/13470
* elf32-ppc.c (ppc_elf_copy_indirect_symbol): Revert substantive
change in 2011-07-01 commit. Comment.
* elf64-ppc.c (ppc64_elf_copy_indirect_symbol): Likewise.
===================================================================
RCS file: /cvs/src/src/bfd/elf32-ppc.c,v
retrieving revision 1.302.2.1
retrieving revision 1.302.2.2
--- a/bfd/elf32-ppc.c
+++ b/bfd/elf32-ppc.c
@@ -2987,10 +2987,6 @@ ppc_elf_copy_indirect_symbol (struct bfd
edir->elf.needs_plt |= eind->elf.needs_plt;
edir->elf.pointer_equality_needed |= eind->elf.pointer_equality_needed;
- /* If we were called to copy over info for a weak sym, that's all. */
- if (eind->elf.root.type != bfd_link_hash_indirect)
- return;
-
if (eind->dyn_relocs != NULL)
{
if (edir->dyn_relocs != NULL)
@@ -3022,6 +3018,16 @@ ppc_elf_copy_indirect_symbol (struct bfd
eind->dyn_relocs = NULL;
}
+ /* If we were called to copy over info for a weak sym, that's all.
+ You might think dyn_relocs need not be copied over; After all,
+ both syms will be dynamic or both non-dynamic so we're just
+ moving reloc accounting around. However, ELIMINATE_COPY_RELOCS
+ code in ppc_elf_adjust_dynamic_symbol needs to check for
+ dyn_relocs in read-only sections, and it does so on what is the
+ DIR sym here. */
+ if (eind->elf.root.type != bfd_link_hash_indirect)
+ return;
+
/* Copy over the GOT refcount entries that we may have already seen to
the symbol which just became indirect. */
edir->elf.got.refcount += eind->elf.got.refcount;
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -4435,10 +4435,6 @@ ppc64_elf_copy_indirect_symbol (struct b
edir->elf.ref_regular_nonweak |= eind->elf.ref_regular_nonweak;
edir->elf.needs_plt |= eind->elf.needs_plt;
- /* If we were called to copy over info for a weak sym, that's all. */
- if (eind->elf.root.type != bfd_link_hash_indirect)
- return;
-
/* Copy over any dynamic relocs we may have on the indirect sym. */
if (eind->dyn_relocs != NULL)
{
@@ -4471,6 +4467,16 @@ ppc64_elf_copy_indirect_symbol (struct b
eind->dyn_relocs = NULL;
}
+ /* If we were called to copy over info for a weak sym, that's all.
+ You might think dyn_relocs need not be copied over; After all,
+ both syms will be dynamic or both non-dynamic so we're just
+ moving reloc accounting around. However, ELIMINATE_COPY_RELOCS
+ code in ppc64_elf_adjust_dynamic_symbol needs to check for
+ dyn_relocs in read-only sections, and it does so on what is the
+ DIR sym here. */
+ if (eind->elf.root.type != bfd_link_hash_indirect)
+ return;
+
/* Copy over got entries that we may have already seen to the
symbol which just became indirect. */
if (eind->elf.got.glist != NULL)