From aa85c216334a6adac7e0a154d357b370629dc1bc Mon Sep 17 00:00:00 2001 From: Rafael Espindola Date: Mon, 18 Oct 2010 18:36:12 +0000 Subject: Produce ELF::R_386_GOTPC relocations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116728 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/MC/ELFObjectWriter.cpp | 7 ++++++- lib/Target/X86/X86AsmBackend.cpp | 5 +++++ 2 files changed, 11 insertions(+), 1 deletion(-) (limited to 'lib') diff --git a/lib/MC/ELFObjectWriter.cpp b/lib/MC/ELFObjectWriter.cpp index 45e9c3b..2eb6208 100644 --- a/lib/MC/ELFObjectWriter.cpp +++ b/lib/MC/ELFObjectWriter.cpp @@ -707,7 +707,12 @@ void ELFObjectWriterImpl::RecordRelocation(const MCAssembler &Asm, break; } break; - case FK_Data_4: Type = ELF::R_386_32; break; + case FK_Data_4: + if (Symbol->getName() == "_GLOBAL_OFFSET_TABLE_") + Type = ELF::R_386_GOTPC; + else + Type = ELF::R_386_32; + break; case FK_Data_2: Type = ELF::R_386_16; break; case X86::reloc_pcrel_1byte: case FK_Data_1: Type = ELF::R_386_8; break; diff --git a/lib/Target/X86/X86AsmBackend.cpp b/lib/Target/X86/X86AsmBackend.cpp index 853d3ed..83fca51 100644 --- a/lib/Target/X86/X86AsmBackend.cpp +++ b/lib/Target/X86/X86AsmBackend.cpp @@ -72,6 +72,11 @@ static unsigned getRelaxedOpcode(unsigned Op) { default: return Op; + // This is used on i386 with things like addl $foo, %ebx + // FIXME: Should the other *i8 instructions be here too? If not, it might + // be better to just select X86::ADD32ri instead of X86::ADD32ri8. + case X86::ADD32ri8: return X86::ADD32ri; + case X86::JAE_1: return X86::JAE_4; case X86::JA_1: return X86::JA_4; case X86::JBE_1: return X86::JBE_4; -- cgit v1.1