1 //===-- llvm/Target/X86/X86TargetObjectFile.cpp - X86 Object Info ---------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "X86TargetObjectFile.h"
11 #include "X86MCTargetExpr.h"
12 #include "llvm/CodeGen/MachineModuleInfoImpls.h"
13 #include "llvm/MC/MCContext.h"
14 #include "llvm/Target/Mangler.h"
15 #include "llvm/ADT/SmallString.h"
18 const MCExpr *X8632_MachoTargetObjectFile::
19 getSymbolForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
20 MachineModuleInfo *MMI,
21 bool &IsIndirect, bool &IsPCRel) const {
22 // The mach-o version of this method defaults to returning a stub reference.
27 MachineModuleInfoMachO &MachOMMI =
28 MMI->getObjFileInfo<MachineModuleInfoMachO>();
30 // FIXME: Use GetSymbolWithGlobalValueBase.
31 SmallString<128> Name;
32 Mang->getNameWithPrefix(Name, GV, true);
33 Name += "$non_lazy_ptr";
35 // Add information about the stub reference to MachOMMI so that the stub gets
36 // emitted by the asmprinter.
37 MCSymbol *Sym = getContext().GetOrCreateSymbol(Name.str());
38 MCSymbol *&StubSym = MachOMMI.getGVStubEntry(Sym);
41 Mang->getNameWithPrefix(Name, GV, false);
42 StubSym = getContext().GetOrCreateSymbol(Name.str());
45 return MCSymbolRefExpr::Create(Sym, getContext());
48 const MCExpr *X8664_MachoTargetObjectFile::
49 getSymbolForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
50 MachineModuleInfo *MMI,
51 bool &IsIndirect, bool &IsPCRel) const {
53 // On Darwin/X86-64, we can reference dwarf symbols with foo@GOTPCREL+4, which
54 // is an indirect pc-relative reference.
58 // FIXME: Use GetSymbolWithGlobalValueBase.
59 SmallString<128> Name;
60 Mang->getNameWithPrefix(Name, GV, false);
61 const MCSymbol *Sym = getContext().CreateSymbol(Name);
63 X86MCTargetExpr::Create(Sym, X86MCTargetExpr::GOTPCREL, getContext());
64 const MCExpr *Four = MCConstantExpr::Create(4, getContext());
65 return MCBinaryExpr::CreateAdd(Res, Four, getContext());