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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2010-10-04 18:44:25 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2010-10-04 18:44:25 +0000 |
| commit | 28f9ac81012e1e278128a4148e93f6ab873f15d8 (patch) | |
| tree | 1672f35fb7b3c5e7f9f60bc9f202c7058450590e | |
| parent | 265bc8932af9f6724b69a1ce4f73c559b31b66e9 (diff) | |
Produce a R_X86_64_GOT32 when needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115537 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/MC/ELFObjectWriter.cpp | 13 | ||||
| -rw-r--r-- | test/MC/ELF/got.s | 14 |
2 files changed, 26 insertions, 1 deletions
diff --git a/lib/MC/ELFObjectWriter.cpp b/lib/MC/ELFObjectWriter.cpp index 7e0ce7d711..c7b862f392 100644 --- a/lib/MC/ELFObjectWriter.cpp +++ b/lib/MC/ELFObjectWriter.cpp @@ -576,6 +576,8 @@ void ELFObjectWriterImpl::RecordRelocation(const MCAssembler &Asm, FixedValue = Value; // determine the type of the relocation + + MCSymbolRefExpr::VariantKind Modifier = Target.getSymA()->getKind(); unsigned Type; if (Is64Bit) { if (IsPCRel) { @@ -587,7 +589,16 @@ void ELFObjectWriterImpl::RecordRelocation(const MCAssembler &Asm, case X86::reloc_signed_4byte: case X86::reloc_pcrel_4byte: assert(isInt<32>(Target.getConstant())); - Type = ELF::R_X86_64_32S; + switch (Modifier) { + case MCSymbolRefExpr::VK_None: + Type = ELF::R_X86_64_32S; + break; + case MCSymbolRefExpr::VK_GOT: + Type = ELF::R_X86_64_GOT32; + break; + default: + llvm_unreachable("Unimplemented"); + } break; case FK_Data_4: Type = ELF::R_X86_64_32; diff --git a/test/MC/ELF/got.s b/test/MC/ELF/got.s new file mode 100644 index 0000000000..c44245d078 --- /dev/null +++ b/test/MC/ELF/got.s @@ -0,0 +1,14 @@ +// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | elf-dump | FileCheck %s + +// Test that this produces a R_X86_64_GOT32. + + movl foo@GOT, %eax + +// CHECK: ('_relocations', [ +// CHECK-NEXT: # Relocation 0 +// CHECK-NEXT: (('r_offset', +// CHECK-NEXT: ('r_sym', +// CHECK-NEXT: ('r_type', 3) +// CHECK-NEXT: ('r_addend', +// CHECK-NEXT: ), +// CHECK-NEXT: ]) |