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//===------ JITDwarfEmitter.h - Write dwarf tables into memory ------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines a JITDwarfEmitter object that is used by the JIT to
// write dwarf tables to memory.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_EXECUTION_ENGINE_JIT_DWARFEMITTER_H
#define LLVM_EXECUTION_ENGINE_JIT_DWARFEMITTER_H
namespace llvm {
class Function;
class JITCodeEmitter;
class MachineFunction;
class MachineModuleInfo;
class MachineMove;
class TargetData;
class TargetMachine;
class TargetRegisterInfo;
class JITDwarfEmitter {
const TargetData* TD;
JITCodeEmitter* JCE;
const TargetRegisterInfo* RI;
MachineModuleInfo* MMI;
JIT& Jit;
bool stackGrowthDirection;
unsigned char* EmitExceptionTable(MachineFunction* MF,
unsigned char* StartFunction,
unsigned char* EndFunction) const;
void EmitFrameMoves(intptr_t BaseLabelPtr,
const std::vector<MachineMove> &Moves) const;
unsigned char* EmitCommonEHFrame(const Function* Personality) const;
unsigned char* EmitEHFrame(const Function* Personality,
unsigned char* StartBufferPtr,
unsigned char* StartFunction,
unsigned char* EndFunction,
unsigned char* ExceptionTable) const;
unsigned GetExceptionTableSizeInBytes(MachineFunction* MF) const;
unsigned
GetFrameMovesSizeInBytes(intptr_t BaseLabelPtr,
const std::vector<MachineMove> &Moves) const;
unsigned GetCommonEHFrameSizeInBytes(const Function* Personality) const;
unsigned GetEHFrameSizeInBytes(const Function* Personality,
unsigned char* StartFunction) const;
public:
JITDwarfEmitter(JIT& jit);
unsigned char* EmitDwarfTable(MachineFunction& F,
JITCodeEmitter& JCE,
unsigned char* StartFunction,
unsigned char* EndFunction,
unsigned char* &EHFramePtr);
unsigned GetDwarfTableSizeInBytes(MachineFunction& F,
JITCodeEmitter& JCE,
unsigned char* StartFunction,
unsigned char* EndFunction);
void setModuleInfo(MachineModuleInfo* Info) {
MMI = Info;
}
};
} // end namespace llvm
#endif // LLVM_EXECUTION_ENGINE_JIT_DWARFEMITTER_H
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