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| author | Saleem Abdulrasool <compnerd@compnerd.org> | 2014-01-30 04:02:38 +0000 |
|---|---|---|
| committer | Saleem Abdulrasool <compnerd@compnerd.org> | 2014-01-30 04:02:38 +0000 |
| commit | a3f12bdeecaae4a8c17483f096d4c30a02036dd8 (patch) | |
| tree | f12644e27b3a8479455b3327e400beef75a9e796 /llvm/lib | |
| parent | 6e00ca887ebbeef8018cd058e68be82697f8b989 (diff) | |
| download | bcm5719-llvm-a3f12bdeecaae4a8c17483f096d4c30a02036dd8.tar.gz bcm5719-llvm-a3f12bdeecaae4a8c17483f096d4c30a02036dd8.zip | |
ARM: support TLS descriptor relocations
Add support for tlsdesc relocations which are part of the ABI, marked as
experimental. These relocations permit the linker to perform TLS reference
optimizations.
llvm-svn: 200447
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/MC/MCExpr.cpp | 3 | ||||
| -rw-r--r-- | llvm/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/MC/MCExpr.cpp b/llvm/lib/MC/MCExpr.cpp index 3772bceea57..d402e6d896b 100644 --- a/llvm/lib/MC/MCExpr.cpp +++ b/llvm/lib/MC/MCExpr.cpp @@ -186,6 +186,7 @@ StringRef MCSymbolRefExpr::getVariantKindName(VariantKind Kind) { case VK_ARM_PREL31: return "prel31"; case VK_ARM_TLSLDO: return "tlsldo"; case VK_ARM_TLSCALL: return "tlscall"; + case VK_ARM_TLSDESC: return "tlsdesc"; case VK_PPC_LO: return "l"; case VK_PPC_HI: return "h"; case VK_PPC_HA: return "ha"; @@ -411,6 +412,8 @@ MCSymbolRefExpr::getVariantKindForName(StringRef Name) { .Case("tlsldo", VK_ARM_TLSLDO) .Case("TLSCALL", VK_ARM_TLSCALL) .Case("tlscall", VK_ARM_TLSCALL) + .Case("TLSDESC", VK_ARM_TLSDESC) + .Case("tlsdesc", VK_ARM_TLSDESC) .Default(VK_Invalid); } diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp index 08c040235fd..5f719d5bb7c 100644 --- a/llvm/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp +++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp @@ -266,6 +266,9 @@ unsigned ARMELFObjectWriter::GetRelocTypeInner(const MCValue &Target, case MCSymbolRefExpr::VK_ARM_TLSCALL: Type = ELF::R_ARM_TLS_CALL; break; + case MCSymbolRefExpr::VK_ARM_TLSDESC: + Type = ELF::R_ARM_TLS_GOTDESC; + break; } break; case ARM::fixup_arm_ldst_pcrel_12: |
