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2c532e9c9b
We used to generate the compact unwind encoding from the machine instructions. However, this had the problem that if the user used `-save-temps' or compiled their hand-written `.s' file (with CFI directives), we wouldn't generate the compact unwind encoding. Move the algorithm that generates the compact unwind encoding into the MCAsmBackend. This way we can generate the encoding whether the code is from a `.ll' or `.s' file. <rdar://problem/13623355> llvm-svn: 190290
75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
//===-- PPCMCTargetDesc.h - PowerPC Target Descriptions ---------*- 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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//
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// This file provides PowerPC specific target descriptions.
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//
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//===----------------------------------------------------------------------===//
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#ifndef PPCMCTARGETDESC_H
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#define PPCMCTARGETDESC_H
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// GCC #defines PPC on Linux but we use it as our namespace name
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#undef PPC
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#include "llvm/Support/DataTypes.h"
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namespace llvm {
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class MCAsmBackend;
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class MCCodeEmitter;
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class MCContext;
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class MCInstrInfo;
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class MCObjectWriter;
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class MCRegisterInfo;
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class MCSubtargetInfo;
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class Target;
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class StringRef;
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class raw_ostream;
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extern Target ThePPC32Target;
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extern Target ThePPC64Target;
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extern Target ThePPC64LETarget;
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MCCodeEmitter *createPPCMCCodeEmitter(const MCInstrInfo &MCII,
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const MCRegisterInfo &MRI,
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const MCSubtargetInfo &STI,
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MCContext &Ctx);
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MCAsmBackend *createPPCAsmBackend(const Target &T, const MCRegisterInfo &MRI,
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StringRef TT, StringRef CPU);
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/// createPPCELFObjectWriter - Construct an PPC ELF object writer.
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MCObjectWriter *createPPCELFObjectWriter(raw_ostream &OS,
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bool Is64Bit,
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uint8_t OSABI);
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/// createPPCELFObjectWriter - Construct a PPC Mach-O object writer.
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MCObjectWriter *createPPCMachObjectWriter(raw_ostream &OS, bool Is64Bit,
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uint32_t CPUType,
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uint32_t CPUSubtype);
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} // End llvm namespace
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// Generated files will use "namespace PPC". To avoid symbol clash,
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// undefine PPC here. PPC may be predefined on some hosts.
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#undef PPC
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// Defines symbolic names for PowerPC registers. This defines a mapping from
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// register name to register number.
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//
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#define GET_REGINFO_ENUM
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#include "PPCGenRegisterInfo.inc"
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// Defines symbolic names for the PowerPC instructions.
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//
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#define GET_INSTRINFO_ENUM
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#include "PPCGenInstrInfo.inc"
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#define GET_SUBTARGETINFO_ENUM
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#include "PPCGenSubtargetInfo.inc"
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#endif
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