mirror of
https://github.com/c64scene-ar/llvm-6502.git
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45111d160c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93664 91177308-0d34-0410-b5e6-96231b3b80d8
67 lines
2.3 KiB
C++
67 lines
2.3 KiB
C++
//===-- llvm/Target/X86/X86TargetObjectFile.cpp - X86 Object Info ---------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "X86TargetObjectFile.h"
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#include "llvm/CodeGen/MachineModuleInfoImpls.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/MC/MCExpr.h"
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#include "llvm/Target/Mangler.h"
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#include "llvm/ADT/SmallString.h"
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using namespace llvm;
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const MCExpr *X8632_MachoTargetObjectFile::
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getSymbolForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
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MachineModuleInfo *MMI,
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bool &IsIndirect, bool &IsPCRel) const {
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// The mach-o version of this method defaults to returning a stub reference.
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IsIndirect = true;
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IsPCRel = false;
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MachineModuleInfoMachO &MachOMMI =
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MMI->getObjFileInfo<MachineModuleInfoMachO>();
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// FIXME: Use GetSymbolWithGlobalValueBase.
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SmallString<128> Name;
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Mang->getNameWithPrefix(Name, GV, true);
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Name += "$non_lazy_ptr";
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// Add information about the stub reference to MachOMMI so that the stub gets
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// emitted by the asmprinter.
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MCSymbol *Sym = getContext().GetOrCreateSymbol(Name.str());
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const MCSymbol *&StubSym = MachOMMI.getGVStubEntry(Sym);
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if (StubSym == 0) {
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Name.clear();
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Mang->getNameWithPrefix(Name, GV, false);
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StubSym = getContext().GetOrCreateSymbol(Name.str());
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}
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return MCSymbolRefExpr::Create(Sym, getContext());
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}
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const MCExpr *X8664_MachoTargetObjectFile::
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getSymbolForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
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MachineModuleInfo *MMI,
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bool &IsIndirect, bool &IsPCRel) const {
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// On Darwin/X86-64, we can reference dwarf symbols with foo@GOTPCREL+4, which
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// is an indirect pc-relative reference.
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IsIndirect = true;
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IsPCRel = true;
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SmallString<128> Name;
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Mang->getNameWithPrefix(Name, GV, false);
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Name += "@GOTPCREL";
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const MCExpr *Res =
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MCSymbolRefExpr::Create(Name.str(), getContext());
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const MCExpr *Four = MCConstantExpr::Create(4, getContext());
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return MCBinaryExpr::CreateAdd(Res, Four, getContext());
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}
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