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author | rdivacky <rdivacky@FreeBSD.org> | 2009-10-14 17:57:32 +0000 |
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committer | rdivacky <rdivacky@FreeBSD.org> | 2009-10-14 17:57:32 +0000 |
commit | cd749a9c07f1de2fb8affde90537efa4bc3e7c54 (patch) | |
tree | b21f6de4e08b89bb7931806bab798fc2a5e3a686 /lib/Target/X86/X86TargetObjectFile.cpp | |
parent | 72621d11de5b873f1695f391eb95f0b336c3d2d4 (diff) | |
download | FreeBSD-src-cd749a9c07f1de2fb8affde90537efa4bc3e7c54.zip FreeBSD-src-cd749a9c07f1de2fb8affde90537efa4bc3e7c54.tar.gz |
Update llvm to r84119.
Diffstat (limited to 'lib/Target/X86/X86TargetObjectFile.cpp')
-rw-r--r-- | lib/Target/X86/X86TargetObjectFile.cpp | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/lib/Target/X86/X86TargetObjectFile.cpp b/lib/Target/X86/X86TargetObjectFile.cpp new file mode 100644 index 0000000..d39b3c4 --- /dev/null +++ b/lib/Target/X86/X86TargetObjectFile.cpp @@ -0,0 +1,65 @@ +//===-- llvm/Target/X86/X86TargetObjectFile.cpp - X86 Object Info ---------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "X86TargetObjectFile.h" +#include "llvm/ADT/SmallString.h" +#include "llvm/Support/Mangler.h" +#include "llvm/MC/MCContext.h" +#include "llvm/MC/MCExpr.h" +#include "llvm/CodeGen/MachineModuleInfoImpls.h" +using namespace llvm; + +const MCExpr *X8632_MachoTargetObjectFile:: +getSymbolForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang, + MachineModuleInfo *MMI, + bool &IsIndirect, bool &IsPCRel) const { + // The mach-o version of this method defaults to returning a stub reference. + IsIndirect = true; + IsPCRel = false; + + + MachineModuleInfoMachO &MachOMMI = + MMI->getObjFileInfo<MachineModuleInfoMachO>(); + + SmallString<128> Name; + Mang->getNameWithPrefix(Name, GV, true); + Name += "$non_lazy_ptr"; + + // Add information about the stub reference to MachOMMI so that the stub gets + // emitted by the asmprinter. + MCSymbol *Sym = getContext().GetOrCreateSymbol(Name.str()); + const MCSymbol *&StubSym = MachOMMI.getGVStubEntry(Sym); + if (StubSym == 0) { + Name.clear(); + Mang->getNameWithPrefix(Name, GV, false); + StubSym = getContext().GetOrCreateSymbol(Name.str()); + } + + return MCSymbolRefExpr::Create(Sym, getContext()); +} + +const MCExpr *X8664_MachoTargetObjectFile:: +getSymbolForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang, + MachineModuleInfo *MMI, + bool &IsIndirect, bool &IsPCRel) const { + + // On Darwin/X86-64, we can reference dwarf symbols with foo@GOTPCREL+4, which + // is an indirect pc-relative reference. + IsIndirect = true; + IsPCRel = true; + + SmallString<128> Name; + Mang->getNameWithPrefix(Name, GV, false); + Name += "@GOTPCREL"; + const MCExpr *Res = + MCSymbolRefExpr::Create(Name.str(), getContext()); + const MCExpr *Four = MCConstantExpr::Create(4, getContext()); + return MCBinaryExpr::CreateAdd(Res, Four, getContext()); +} + |