1 //===------ JITDwarfEmitter.h - Write dwarf tables into memory ------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file defines a JITDwarfEmitter object that is used by the JIT to 11 // write dwarf tables to memory. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_EXECUTION_ENGINE_JIT_DWARFEMITTER_H 16 #define LLVM_EXECUTION_ENGINE_JIT_DWARFEMITTER_H 17 18 namespace llvm { 19 20 class Function; 21 class JITCodeEmitter; 22 class MachineFunction; 23 class MachineModuleInfo; 24 class MachineMove; 25 class MCAsmInfo; 26 class TargetData; 27 class TargetMachine; 28 class TargetRegisterInfo; 29 30 class JITDwarfEmitter { 31 const TargetData* TD; 32 JITCodeEmitter* JCE; 33 const TargetRegisterInfo* RI; 34 const MCAsmInfo *MAI; 35 MachineModuleInfo* MMI; 36 JIT& Jit; 37 bool stackGrowthDirection; 38 39 unsigned char* EmitExceptionTable(MachineFunction* MF, 40 unsigned char* StartFunction, 41 unsigned char* EndFunction) const; 42 43 void EmitFrameMoves(intptr_t BaseLabelPtr, 44 const std::vector<MachineMove> &Moves) const; 45 46 unsigned char* EmitCommonEHFrame(const Function* Personality) const; 47 48 unsigned char* EmitEHFrame(const Function* Personality, 49 unsigned char* StartBufferPtr, 50 unsigned char* StartFunction, 51 unsigned char* EndFunction, 52 unsigned char* ExceptionTable) const; 53 54 public: 55 56 JITDwarfEmitter(JIT& jit); 57 58 unsigned char* EmitDwarfTable(MachineFunction& F, 59 JITCodeEmitter& JCE, 60 unsigned char* StartFunction, 61 unsigned char* EndFunction, 62 unsigned char* &EHFramePtr); 63 64 65 void setModuleInfo(MachineModuleInfo* Info) { 66 MMI = Info; 67 } 68 }; 69 70 71 } // end namespace llvm 72 73 #endif // LLVM_EXECUTION_ENGINE_JIT_DWARFEMITTER_H 74
