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Force emit a relocation for @gnu_indirect_function symbols so that the indirect

resolution works.

llvm-svn: 198780
This commit is contained in:
Roman Divacky 2014-01-08 18:50:32 +00:00
parent 772280aaa8
commit 9305a7c022
2 changed files with 17 additions and 1 deletions

View File

@ -1645,7 +1645,7 @@ ELFObjectWriter::IsSymbolRefDifferenceFullyResolvedImpl(const MCAssembler &Asm,
const MCFragment &FB,
bool InSet,
bool IsPCRel) const {
if (DataA.getFlags() & ELF_STB_Weak)
if (DataA.getFlags() & ELF_STB_Weak || MCELF::GetType(DataA) == ELF::STT_GNU_IFUNC)
return false;
return MCObjectWriter::IsSymbolRefDifferenceFullyResolvedImpl(
Asm, DataA, FB,InSet, IsPCRel);

16
test/MC/ELF/ifunc-reloc.s Normal file
View File

@ -0,0 +1,16 @@
// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-readobj -r | FileCheck %s
.global sym
.type sym, @gnu_indirect_function
alias:
.global alias
.type alias, @function
.set sym, alias
callq sym
// CHECK: Relocations [
// CHECK-NEXT: Section (2) .rela.text {
// CHECK-NEXT: 0x1 R_X86_64_PC32 sym 0xFFFFFFFFFFFFFFFC
// CHECK-NEXT: }
// CHECK-NEXT: ]