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a3f99f9033
JITCodeEmitter and ObjectCodeEmitter. No functional changes yet. Patch by Aaron Gray git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72631 91177308-0d34-0410-b5e6-96231b3b80d8
88 lines
2.8 KiB
C++
88 lines
2.8 KiB
C++
//===------ JITDwarfEmitter.h - Write dwarf tables into memory ------------===//
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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 defines a JITDwarfEmitter object that is used by the JIT to
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// write dwarf tables to memory.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_EXECUTION_ENGINE_JIT_DWARFEMITTER_H
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#define LLVM_EXECUTION_ENGINE_JIT_DWARFEMITTER_H
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namespace llvm {
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class Function;
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class JITCodeEmitter;
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class MachineFunction;
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class MachineModuleInfo;
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class MachineMove;
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class TargetData;
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class TargetMachine;
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class TargetRegisterInfo;
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class JITDwarfEmitter {
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const TargetData* TD;
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JITCodeEmitter* JCE;
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const TargetRegisterInfo* RI;
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MachineModuleInfo* MMI;
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JIT& Jit;
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bool needsIndirectEncoding;
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bool stackGrowthDirection;
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unsigned char* EmitExceptionTable(MachineFunction* MF,
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unsigned char* StartFunction,
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unsigned char* EndFunction) const;
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void EmitFrameMoves(intptr_t BaseLabelPtr,
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const std::vector<MachineMove> &Moves) const;
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unsigned char* EmitCommonEHFrame(const Function* Personality) const;
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unsigned char* EmitEHFrame(const Function* Personality,
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unsigned char* StartBufferPtr,
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unsigned char* StartFunction,
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unsigned char* EndFunction,
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unsigned char* ExceptionTable) const;
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unsigned GetExceptionTableSizeInBytes(MachineFunction* MF) const;
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unsigned
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GetFrameMovesSizeInBytes(intptr_t BaseLabelPtr,
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const std::vector<MachineMove> &Moves) const;
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unsigned GetCommonEHFrameSizeInBytes(const Function* Personality) const;
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unsigned GetEHFrameSizeInBytes(const Function* Personality,
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unsigned char* StartFunction) const;
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public:
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JITDwarfEmitter(JIT& jit);
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unsigned char* EmitDwarfTable(MachineFunction& F,
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JITCodeEmitter& JCE,
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unsigned char* StartFunction,
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unsigned char* EndFunction);
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unsigned GetDwarfTableSizeInBytes(MachineFunction& F,
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JITCodeEmitter& JCE,
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unsigned char* StartFunction,
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unsigned char* EndFunction);
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void setModuleInfo(MachineModuleInfo* Info) {
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MMI = Info;
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}
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};
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} // end namespace llvm
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#endif // LLVM_EXECUTION_ENGINE_JIT_DWARFEMITTER_H
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