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-rw-r--r--llvm/lib/Target/PowerPC/MCTargetDesc/PPCELFObjectWriter.cpp34
1 files changed, 34 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCELFObjectWriter.cpp b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCELFObjectWriter.cpp
index c2bf2516699..c26b5458d38 100644
--- a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCELFObjectWriter.cpp
+++ b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCELFObjectWriter.cpp
@@ -30,6 +30,11 @@ namespace {
virtual unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup,
bool IsPCRel, bool IsRelocWithSymbol,
int64_t Addend) const;
+ virtual const MCSymbol *ExplicitRelSym(const MCAssembler &Asm,
+ const MCValue &Target,
+ const MCFragment &F,
+ const MCFixup &Fixup,
+ bool IsPCRel) const;
virtual const MCSymbol *undefinedExplicitRelSym(const MCValue &Target,
const MCFixup &Fixup,
bool IsPCRel) const;
@@ -328,6 +333,35 @@ unsigned PPCELFObjectWriter::GetRelocType(const MCValue &Target,
return getRelocTypeInner(Target, Fixup, IsPCRel);
}
+const MCSymbol *PPCELFObjectWriter::ExplicitRelSym(const MCAssembler &Asm,
+ const MCValue &Target,
+ const MCFragment &F,
+ const MCFixup &Fixup,
+ bool IsPCRel) const {
+ assert(Target.getSymA() && "SymA cannot be 0");
+ MCSymbolRefExpr::VariantKind Modifier = Target.isAbsolute() ?
+ MCSymbolRefExpr::VK_None : Target.getSymA()->getKind();
+
+ bool EmitThisSym;
+ switch (Modifier) {
+ // GOT references always need a relocation, even if the
+ // target symbol is local.
+ case MCSymbolRefExpr::VK_GOT:
+ case MCSymbolRefExpr::VK_PPC_GOT_LO:
+ case MCSymbolRefExpr::VK_PPC_GOT_HI:
+ case MCSymbolRefExpr::VK_PPC_GOT_HA:
+ EmitThisSym = true;
+ break;
+ default:
+ EmitThisSym = false;
+ break;
+ }
+
+ if (EmitThisSym)
+ return &Target.getSymA()->getSymbol().AliasedSymbol();
+ return NULL;
+}
+
const MCSymbol *PPCELFObjectWriter::undefinedExplicitRelSym(const MCValue &Target,
const MCFixup &Fixup,
bool IsPCRel) const {
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