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Simplify the handling of pcrel relocations on ELF. Now we do the right thing

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for all symbol differences and can drop the old EmitPCRelSymbolValue
method.

This also make getExprForFDESymbol on ELF equal to the one on MachO, and it
can be made non-virtual.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130634 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2011-05-01 03:50:49 +00:00
parent d4b0c6c3fa
commit debd7e4e8b
15 changed files with 45 additions and 70 deletions
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6
lib/MC/ELFObjectWriter.cpp
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@ -1476,13 +1476,17 @@ unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
if (IsPCRel) {
switch ((unsigned)Fixup.getKind()) {
default: llvm_unreachable("invalid fixup kind!");
case FK_Data_8: Type = ELF::R_X86_64_PC64; break;
case FK_Data_4: Type = ELF::R_X86_64_PC32; break;
case FK_Data_2: Type = ELF::R_X86_64_PC16; break;
case FK_PCRel_8:
assert(Modifier == MCSymbolRefExpr::VK_None);
Type = ELF::R_X86_64_PC64;
break;
case X86::reloc_signed_4byte:
case X86::reloc_riprel_4byte_movq_load:
case FK_Data_4: // FIXME?
case X86::reloc_riprel_4byte:
case FK_PCRel_4:
switch (Modifier) {