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 "llvm/ADT/SmallString.h"
12 #include "llvm/Support/Mangler.h"
13 #include "llvm/MC/MCContext.h"
14 #include "llvm/MC/MCExpr.h"
15 #include "llvm/CodeGen/MachineModuleInfoImpls.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 SmallString<128> Name;
31 Mang->getNameWithPrefix(Name, GV, true);
32 Name += "$non_lazy_ptr";
34 // Add information about the stub reference to MachOMMI so that the stub gets
35 // emitted by the asmprinter.
36 MCSymbol *Sym = getContext().GetOrCreateSymbol(Name.str());
37 const MCSymbol *&StubSym = MachOMMI.getGVStubEntry(Sym);
40 Mang->getNameWithPrefix(Name, GV, false);
41 StubSym = getContext().GetOrCreateSymbol(Name.str());
44 return MCSymbolRefExpr::Create(Sym, getContext());
47 const MCExpr *X8664_MachoTargetObjectFile::
48 getSymbolForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
49 MachineModuleInfo *MMI,
50 bool &IsIndirect, bool &IsPCRel) const {
52 // On Darwin/X86-64, we can reference dwarf symbols with foo@GOTPCREL+4, which
53 // is an indirect pc-relative reference.
57 SmallString<128> Name;
58 Mang->getNameWithPrefix(Name, GV, false);
61 MCSymbolRefExpr::Create(Name.str(), getContext());
62 const MCExpr *Four = MCConstantExpr::Create(4, getContext());
63 return MCBinaryExpr::CreateAdd(Res, Four, getContext());