Implement LLVM JIT side of GDB JIT debugging interface

lib/ExecutionEngine/JIT/JITDwarfEmitter.cpp

 //===----- JITDwarfEmitter.cpp - 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
@@ skipping 18 matching lines @@
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetRegisterInfo.h"
 using namespace llvm;
 
 JITDwarfEmitter::JITDwarfEmitter(JIT& theJit) : Jit(theJit) {}
 
 
 unsigned char* JITDwarfEmitter::EmitDwarfTable(MachineFunction& F, 
                                                JITCodeEmitter& jce,
                                                unsigned char* StartFunction,
-                                               unsigned char* EndFunction) {
+                                               unsigned char* EndFunction,
+                                               unsigned char* &EHFramePtr) {
   const TargetMachine& TM = F.getTarget();
   TD = TM.getTargetData();
   stackGrowthDirection = TM.getFrameInfo()->getStackGrowthDirection();
   RI = TM.getRegisterInfo();
   JCE = &jce;
   
   unsigned char* ExceptionTable = EmitExceptionTable(&F, StartFunction,
                                                      EndFunction);
       
   unsigned char* Result = 0;
-  unsigned char* EHFramePtr = 0;
 
   const std::vector<Function *> Personalities = MMI->getPersonalities();
   EHFramePtr = EmitCommonEHFrame(Personalities[MMI->getPersonalityIndex()]);
 
   Result = EmitEHFrame(Personalities[MMI->getPersonalityIndex()], EHFramePtr,
                        StartFunction, EndFunction, ExceptionTable);
 
   return Result;
 }
 
@@ skipping 976 matching lines @@
   for (unsigned j = 0, M = FilterIds.size(); j < M; ++j) {
     unsigned TypeID = FilterIds[j];
     FinalSize += MCAsmInfo::getULEB128Size(TypeID);
     //Asm->EOL("Filter TypeInfo index");
   }
   
   FinalSize = RoundUpToAlign(FinalSize, 4);
 
   return FinalSize;
 }