PR16493: DebugInfo with TLS on PPC crashing due to invalid relocation
Restrict the current TLS support to X86 ELF for now. Test that we don't
produce it on PPC & we can flesh that test case out with the right thing
once someone implements it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185389 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetObjectFile.cpp b/lib/Target/X86/X86TargetObjectFile.cpp
index 871dacd..a00e8d4 100644
--- a/lib/Target/X86/X86TargetObjectFile.cpp
+++ b/lib/Target/X86/X86TargetObjectFile.cpp
@@ -47,3 +47,9 @@
TargetLoweringObjectFileELF::Initialize(Ctx, TM);
InitializeELF(TM.Options.UseInitArray);
}
+
+const MCSymbolRefExpr *
+X86LinuxTargetObjectFile::getDebugThreadLocalSymbol(
+ const MCSymbol *Sym) const {
+ return MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_DTPOFF, getContext());
+}
diff --git a/lib/Target/X86/X86TargetObjectFile.h b/lib/Target/X86/X86TargetObjectFile.h
index 9d26d38..7baedd2 100644
--- a/lib/Target/X86/X86TargetObjectFile.h
+++ b/lib/Target/X86/X86TargetObjectFile.h
@@ -36,6 +36,9 @@
/// and x86-64.
class X86LinuxTargetObjectFile : public TargetLoweringObjectFileELF {
virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
+
+ /// \brief Describe a TLS variable address within debug info.
+ virtual const MCSymbolRefExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const;
};
} // end namespace llvm