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| author | Logan Chien <tzuhsiang.chien@gmail.com> | 2012-12-12 07:14:46 +0000 |
|---|---|---|
| committer | Logan Chien <tzuhsiang.chien@gmail.com> | 2012-12-12 07:14:46 +0000 |
| commit | 37c7461fc3f1983a81bfe934855d707fd6572e78 (patch) | |
| tree | b1cc2e9481f970c248f19b683f5b175f2d28abc9 /lib | |
| parent | 9ee68e3f729e95a12e9f266a09e8ffdbaeda83f2 (diff) | |
| download | external_llvm-37c7461fc3f1983a81bfe934855d707fd6572e78.zip external_llvm-37c7461fc3f1983a81bfe934855d707fd6572e78.tar.gz external_llvm-37c7461fc3f1983a81bfe934855d707fd6572e78.tar.bz2 | |
Add ARM NONE and PREL31 relocation types.
Add R_ARM_NONE and R_ARM_PREL31 relocation types
to MCExpr. Both of them will be used while
generating .ARM.extab and .ARM.exidx sections.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169965 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/MC/MCExpr.cpp | 8 | ||||
| -rw-r--r-- | lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp | 9 |
2 files changed, 14 insertions, 3 deletions
diff --git a/lib/MC/MCExpr.cpp b/lib/MC/MCExpr.cpp index fa1f49d..7a0c317 100644 --- a/lib/MC/MCExpr.cpp +++ b/lib/MC/MCExpr.cpp @@ -54,14 +54,16 @@ void MCExpr::print(raw_ostream &OS) const { else OS << Sym; - if (SRE.getKind() == MCSymbolRefExpr::VK_ARM_PLT || + if (SRE.getKind() == MCSymbolRefExpr::VK_ARM_NONE || + SRE.getKind() == MCSymbolRefExpr::VK_ARM_PLT || SRE.getKind() == MCSymbolRefExpr::VK_ARM_TLSGD || SRE.getKind() == MCSymbolRefExpr::VK_ARM_GOT || SRE.getKind() == MCSymbolRefExpr::VK_ARM_GOTOFF || SRE.getKind() == MCSymbolRefExpr::VK_ARM_TPOFF || SRE.getKind() == MCSymbolRefExpr::VK_ARM_GOTTPOFF || SRE.getKind() == MCSymbolRefExpr::VK_ARM_TARGET1 || - SRE.getKind() == MCSymbolRefExpr::VK_ARM_TARGET2) + SRE.getKind() == MCSymbolRefExpr::VK_ARM_TARGET2 || + SRE.getKind() == MCSymbolRefExpr::VK_ARM_PREL31) OS << MCSymbolRefExpr::getVariantKindName(SRE.getKind()); else if (SRE.getKind() != MCSymbolRefExpr::VK_None && SRE.getKind() != MCSymbolRefExpr::VK_PPC_DARWIN_HA16 && @@ -193,6 +195,7 @@ StringRef MCSymbolRefExpr::getVariantKindName(VariantKind Kind) { case VK_DTPOFF: return "DTPOFF"; case VK_TLVP: return "TLVP"; case VK_SECREL: return "SECREL"; + case VK_ARM_NONE: return "(NONE)"; case VK_ARM_PLT: return "(PLT)"; case VK_ARM_GOT: return "(GOT)"; case VK_ARM_GOTOFF: return "(GOTOFF)"; @@ -201,6 +204,7 @@ StringRef MCSymbolRefExpr::getVariantKindName(VariantKind Kind) { case VK_ARM_TLSGD: return "(tlsgd)"; case VK_ARM_TARGET1: return "(target1)"; case VK_ARM_TARGET2: return "(target2)"; + case VK_ARM_PREL31: return "(prel31)"; case VK_PPC_TOC: return "tocbase"; case VK_PPC_TOC_ENTRY: return "toc"; case VK_PPC_DARWIN_HA16: return "ha16"; diff --git a/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp b/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp index 813c784..9193e40 100644 --- a/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp +++ b/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp @@ -133,6 +133,7 @@ const MCSymbol *ARMELFObjectWriter::ExplicitRelSym(const MCAssembler &Asm, switch (RelocType) { default: EmitThisSym = true; break; case ELF::R_ARM_ABS32: EmitThisSym = false; break; + case ELF::R_ARM_PREL31: EmitThisSym = false; break; } } @@ -225,6 +226,9 @@ unsigned ARMELFObjectWriter::GetRelocTypeInner(const MCValue &Target, case FK_Data_4: switch (Modifier) { default: llvm_unreachable("Unsupported Modifier"); + case MCSymbolRefExpr::VK_ARM_NONE: + Type = ELF::R_ARM_NONE; + break; case MCSymbolRefExpr::VK_ARM_GOT: Type = ELF::R_ARM_GOT_BREL; break; @@ -249,7 +253,10 @@ unsigned ARMELFObjectWriter::GetRelocTypeInner(const MCValue &Target, case MCSymbolRefExpr::VK_ARM_TARGET2: Type = ELF::R_ARM_TARGET2; break; - } + case MCSymbolRefExpr::VK_ARM_PREL31: + Type = ELF::R_ARM_PREL31; + break; + } break; case ARM::fixup_arm_ldst_pcrel_12: case ARM::fixup_arm_pcrel_10: |