diff --git a/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp b/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp index 5c5512018dd..d809daf0d6f 100644 --- a/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp +++ b/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp @@ -523,10 +523,18 @@ void X86AsmPrinter::EmitEndOfAsmFile(Module &M) { // L_foo$non_lazy_ptr: OutStreamer.EmitLabel(Stubs[i].first); // .indirect_symbol _foo - OutStreamer.EmitSymbolAttribute(Stubs[i].second.getPointer(), + MachineModuleInfoImpl::StubValueTy &MCSym = Stubs[i].second; + OutStreamer.EmitSymbolAttribute(MCSym.getPointer(), MCSA_IndirectSymbol); // .long 0 - OutStreamer.EmitIntValue(0, 4/*size*/, 0/*addrspace*/); + if (MCSym.getInt()) + // External to current translation unit. + OutStreamer.EmitIntValue(0, 4/*size*/, 0/*addrspace*/); + else + // Internal to current translation unit. + OutStreamer.EmitValue(MCSymbolRefExpr::Create(MCSym.getPointer(), + OutContext), + 4/*size*/, 0/*addrspace*/); } Stubs.clear(); OutStreamer.AddBlankLine(); diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 8c09eecd4f6..abc5d9bc1d5 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -37,6 +37,7 @@ #include "llvm/CodeGen/PseudoSourceValue.h" #include "llvm/MC/MCAsmInfo.h" #include "llvm/MC/MCContext.h" +#include "llvm/MC/MCSectionMachO.h" #include "llvm/MC/MCSymbol.h" #include "llvm/ADT/BitVector.h" #include "llvm/ADT/SmallSet.h" @@ -45,10 +46,12 @@ #include "llvm/ADT/VectorExtras.h" #include "llvm/Support/CommandLine.h" #include "llvm/Support/Debug.h" +#include "llvm/Support/Dwarf.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/MathExtras.h" #include "llvm/Support/raw_ostream.h" using namespace llvm; +using namespace dwarf; STATISTIC(NumTailCalls, "Number of tail calls"); @@ -67,10 +70,54 @@ Disable16Bit("disable-16bit", cl::Hidden, static SDValue getMOVL(SelectionDAG &DAG, DebugLoc dl, EVT VT, SDValue V1, SDValue V2); +// FIXME: This is for a test. +static cl::opt +EnableX86EHTest("enable-x86-eh-test", cl::Hidden); + +namespace llvm { + class X86_test_MachoTargetObjectFile : public TargetLoweringObjectFileMachO { + public: + virtual void Initialize(MCContext &Ctx, const TargetMachine &TM) { + TargetLoweringObjectFileMachO::Initialize(Ctx, TM); + + // Exception Handling. + LSDASection = getMachOSection("__TEXT", "__gcc_except_tab", 0, + SectionKind::getReadOnlyWithRel()); + } + + virtual unsigned getTTypeEncoding() const { + return DW_EH_PE_indirect | DW_EH_PE_pcrel | DW_EH_PE_sdata4; + } + }; + + class X8664_test_MachoTargetObjectFile : public X8664_MachoTargetObjectFile { + public: + virtual void Initialize(MCContext &Ctx, const TargetMachine &TM) { + TargetLoweringObjectFileMachO::Initialize(Ctx, TM); + + // Exception Handling. + LSDASection = getMachOSection("__TEXT", "__gcc_except_tab", 0, + SectionKind::getReadOnlyWithRel()); + } + + virtual unsigned getTTypeEncoding() const { + return DW_EH_PE_indirect | DW_EH_PE_pcrel | DW_EH_PE_sdata4; + } + }; +} + static TargetLoweringObjectFile *createTLOF(X86TargetMachine &TM) { switch (TM.getSubtarget().TargetType) { default: llvm_unreachable("unknown subtarget type"); case X86Subtarget::isDarwin: + // FIXME: This is for an EH test. + if (EnableX86EHTest) { + if (TM.getSubtarget().is64Bit()) + return new X8664_test_MachoTargetObjectFile(); + else + return new X86_test_MachoTargetObjectFile(); + } + if (TM.getSubtarget().is64Bit()) return new X8664_MachoTargetObjectFile(); return new TargetLoweringObjectFileMachO();