mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-15 04:08:07 +00:00
017ec35e28
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95593 91177308-0d34-0410-b5e6-96231b3b80d8
68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
//===-- 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 "X86MCTargetExpr.h"
|
|
#include "llvm/CodeGen/MachineModuleInfoImpls.h"
|
|
#include "llvm/MC/MCContext.h"
|
|
#include "llvm/Target/Mangler.h"
|
|
#include "llvm/ADT/SmallString.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>();
|
|
|
|
// FIXME: Use GetSymbolWithGlobalValueBase.
|
|
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());
|
|
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;
|
|
|
|
// FIXME: Use GetSymbolWithGlobalValueBase.
|
|
SmallString<128> Name;
|
|
Mang->getNameWithPrefix(Name, GV, false);
|
|
const MCSymbol *Sym = getContext().CreateSymbol(Name);
|
|
const MCExpr *Res =
|
|
X86MCTargetExpr::Create(Sym, X86MCTargetExpr::GOTPCREL, getContext());
|
|
const MCExpr *Four = MCConstantExpr::Create(4, getContext());
|
|
return MCBinaryExpr::CreateAdd(Res, Four, getContext());
|
|
}
|
|
|