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[binutils-gdb] PowerPC64 ELFv2 entry code
- From: Alan Modra <amodra at sourceware dot org>
- To: bfd-cvs at sourceware dot org
- Date: 2 Feb 2016 13:34:36 -0000
- Subject: [binutils-gdb] PowerPC64 ELFv2 entry code
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=85fabe715c441e1c90fe913e2a6d65f0e487e5e8
commit 85fabe715c441e1c90fe913e2a6d65f0e487e5e8
Author: Alan Modra <amodra@gmail.com>
Date: Tue Feb 2 23:16:14 2016 +1030
PowerPC64 ELFv2 entry code
This tightens the condition under which ld optimizes PIC entry code
to non-PIC.
bfd/
* elf64-ppc.c (ppc64_elf_relocate_section): Further restrict
ELFv2 entry optimization.
gold/
* powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
Diff:
---
bfd/ChangeLog | 5 +++++
bfd/elf64-ppc.c | 1 +
gold/ChangeLog | 4 ++++
gold/powerpc.cc | 1 +
4 files changed, 11 insertions(+)
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 898af56..81e751c 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2016-02-02 Alan Modra <amodra@gmail.com>
+
+ * elf64-ppc.c (ppc64_elf_relocate_section): Further restrict
+ ELFv2 entry optimization.
+
2016-02-02 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/19547
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index f9c37b5..369eae5 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -13915,6 +13915,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
if (!bfd_link_pic (info)
&& !info->traditional_format
&& !htab->opd_abi
+ && rel->r_addend == 0
&& h != NULL && &h->elf == htab->elf.hgot
&& rel + 1 < relend
&& rel[1].r_info == ELF64_R_INFO (r_symndx, R_PPC64_REL16_LO)
diff --git a/gold/ChangeLog b/gold/ChangeLog
index 06cafb0..c0b7e56 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,7 @@
+2016-02-02 Alan Modra <amodra@gmail.com>
+
+ * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
+
2016-01-15 Han Shen <shenhan@google.com>
PR gold/19472 - need pc-relative stubs.
diff --git a/gold/powerpc.cc b/gold/powerpc.cc
index e26a198..6df2904 100644
--- a/gold/powerpc.cc
+++ b/gold/powerpc.cc
@@ -7727,6 +7727,7 @@ Target_powerpc<size, big_endian>::Relocate::relocate(
&& preloc != NULL
&& target->abiversion() >= 2
&& !parameters->options().output_is_position_independent()
+ && rela.get_r_addend() == 4
&& gsym != NULL
&& strcmp(gsym->name(), ".TOC.") == 0)
{