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 #include "llvm/Support/DataTypes.h" 19 #include <vector> 20 21 namespace llvm { 22 23 class Function; 24 class JIT; 25 class JITCodeEmitter; 26 class MachineFunction; 27 class MachineModuleInfo; 28 class MachineMove; 29 class MCAsmInfo; 30 class DataLayout; 31 class TargetMachine; 32 class TargetRegisterInfo; 33 34 class JITDwarfEmitter { 35 const DataLayout* TD; 36 JITCodeEmitter* JCE; 37 const TargetRegisterInfo* RI; 38 const MCAsmInfo *MAI; 39 MachineModuleInfo* MMI; 40 JIT& Jit; 41 bool stackGrowthDirection; 42 43 unsigned char* EmitExceptionTable(MachineFunction* MF, 44 unsigned char* StartFunction, 45 unsigned char* EndFunction) const; 46 47 void EmitFrameMoves(intptr_t BaseLabelPtr, 48 const std::vector<MachineMove> &Moves) const; 49 50 unsigned char* EmitCommonEHFrame(const Function* Personality) const; 51 52 unsigned char* EmitEHFrame(const Function* Personality, 53 unsigned char* StartBufferPtr, 54 unsigned char* StartFunction, 55 unsigned char* EndFunction, 56 unsigned char* ExceptionTable) const; 57 58 public: 59 60 JITDwarfEmitter(JIT& jit); 61 62 unsigned char* EmitDwarfTable(MachineFunction& F, 63 JITCodeEmitter& JCE, 64 unsigned char* StartFunction, 65 unsigned char* EndFunction, 66 unsigned char* &EHFramePtr); 67 68 69 void setModuleInfo(MachineModuleInfo* Info) { 70 MMI = Info; 71 } 72 }; 73 74 75 } // end namespace llvm 76 77 #endif // LLVM_EXECUTION_ENGINE_JIT_DWARFEMITTER_H 78
