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authorAdhemerval Zanella <azanella@linux.vnet.ibm.com>2013-01-04 19:08:13 +0000
committerAdhemerval Zanella <azanella@linux.vnet.ibm.com>2013-01-04 19:08:13 +0000
commit7b449889e7886b263718b5103538970f287bc37e (patch)
treeadce081f990c3c199145baac8c42561f51cc5bba /lib/ExecutionEngine
parent13410a11e7247ed9d7841e219fdcdc93427c039e (diff)
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PowerPC: Fix eh_frame relocation for PIC
This patch fixes the PPC eh_frame definitions for the personality and frame unwinding for PIC objects. It makes PIC build correctly creates relative relocations in the '.rela.eh_frame' segments and thus avoiding a text relocation that generates a DT_TEXTREL segments in link phase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171506 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/ExecutionEngine')
-rw-r--r--lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
index f32e387..efb34df 100644
--- a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
+++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
@@ -517,6 +517,12 @@ void RuntimeDyldELF::resolvePPC64Relocation(const SectionEntry &Section,
uint8_t aalk = *(LocalAddress+3);
writeInt16BE(LocalAddress + 2, (aalk & 3) | ((Value + Addend) & 0xfffc));
} break;
+ case ELF::R_PPC64_ADDR32 : {
+ int32_t Result = static_cast<int32_t>(Value + Addend);
+ if (SignExtend32<32>(Result) != Result)
+ llvm_unreachable("Relocation R_PPC64_REL32 overflow");
+ writeInt32BE(LocalAddress, Result);
+ } break;
case ELF::R_PPC64_REL24 : {
uint64_t FinalAddress = (Section.LoadAddress + Offset);
int32_t delta = static_cast<int32_t>(Value - FinalAddress + Addend);