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f62176f047
MSVC on x64 requires that we create image relative symbol references to refer to RTTI data. Seeing as how there is no way to explicitly make reference to a given relocation type in LLVM IR, pattern match expressions of the form &foo - &__ImageBase. Differential Revision: http://llvm-reviews.chandlerc.com/D2523 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199312 91177308-0d34-0410-b5e6-96231b3b80d8
53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
//===-- X86TargetObjectFile.h - X86 Object Info -----------------*- C++ -*-===//
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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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#ifndef LLVM_TARGET_X86_TARGETOBJECTFILE_H
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#define LLVM_TARGET_X86_TARGETOBJECTFILE_H
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#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
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#include "llvm/Target/TargetLoweringObjectFile.h"
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#include "llvm/Target/TargetMachine.h"
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namespace llvm {
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/// X86_64MachoTargetObjectFile - This TLOF implementation is used for Darwin
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/// x86-64.
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class X86_64MachoTargetObjectFile : public TargetLoweringObjectFileMachO {
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public:
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virtual const MCExpr *
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getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
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MachineModuleInfo *MMI, unsigned Encoding,
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MCStreamer &Streamer) const;
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// getCFIPersonalitySymbol - The symbol that gets passed to
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// .cfi_personality.
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virtual MCSymbol *
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getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
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MachineModuleInfo *MMI) const;
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};
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/// X86LinuxTargetObjectFile - This implementation is used for linux x86
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/// and x86-64.
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class X86LinuxTargetObjectFile : public TargetLoweringObjectFileELF {
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virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
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/// \brief Describe a TLS variable address within debug info.
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virtual const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const;
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};
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/// \brief This implementation is used for Windows targets on x86 and x86-64.
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class X86WindowsTargetObjectFile : public TargetLoweringObjectFileCOFF {
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virtual const MCExpr *getExecutableRelativeSymbol(const ConstantExpr *CE,
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Mangler *Mang) const;
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};
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} // end namespace llvm
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#endif
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