1259698Sdim//==- SparcJITInfo.h - Sparc Implementation of the JIT Interface -*- C++ -*-==// 2259698Sdim// 3259698Sdim// The LLVM Compiler Infrastructure 4259698Sdim// 5259698Sdim// This file is distributed under the University of Illinois Open Source 6259698Sdim// License. See LICENSE.TXT for details. 7259698Sdim// 8259698Sdim//===----------------------------------------------------------------------===// 9259698Sdim// 10259698Sdim// This file contains the declaration of the SparcJITInfo class. 11259698Sdim// 12259698Sdim//===----------------------------------------------------------------------===// 13259698Sdim 14259698Sdim#ifndef SPARCJITINFO_H 15259698Sdim#define SPARCJITINFO_H 16259698Sdim 17259698Sdim#include "llvm/CodeGen/MachineConstantPool.h" 18259698Sdim#include "llvm/CodeGen/MachineFunction.h" 19259698Sdim#include "llvm/Target/TargetJITInfo.h" 20259698Sdim 21259698Sdimnamespace llvm { 22259698Sdimclass SparcTargetMachine; 23259698Sdim 24259698Sdimclass SparcJITInfo : public TargetJITInfo { 25259698Sdim 26259698Sdim bool IsPIC; 27259698Sdim 28259698Sdim public: 29259698Sdim explicit SparcJITInfo() 30259698Sdim : IsPIC(false) {} 31259698Sdim 32259698Sdim /// replaceMachineCodeForFunction - Make it so that calling the function 33259698Sdim /// whose machine code is at OLD turns into a call to NEW, perhaps by 34259698Sdim /// overwriting OLD with a branch to NEW. This is used for self-modifying 35259698Sdim /// code. 36259698Sdim /// 37259698Sdim virtual void replaceMachineCodeForFunction(void *Old, void *New); 38259698Sdim 39259698Sdim // getStubLayout - Returns the size and alignment of the largest call stub 40259698Sdim // on Sparc. 41259698Sdim virtual StubLayout getStubLayout(); 42259698Sdim 43259698Sdim 44259698Sdim /// emitFunctionStub - Use the specified JITCodeEmitter object to emit a 45259698Sdim /// small native function that simply calls the function at the specified 46259698Sdim /// address. 47259698Sdim virtual void *emitFunctionStub(const Function *F, void *Fn, 48259698Sdim JITCodeEmitter &JCE); 49259698Sdim 50259698Sdim /// getLazyResolverFunction - Expose the lazy resolver to the JIT. 51259698Sdim virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn); 52259698Sdim 53259698Sdim /// relocate - Before the JIT can run a block of code that has been emitted, 54259698Sdim /// it must rewrite the code to contain the actual addresses of any 55259698Sdim /// referenced global symbols. 56259698Sdim virtual void relocate(void *Function, MachineRelocation *MR, 57259698Sdim unsigned NumRelocs, unsigned char *GOTBase); 58259698Sdim 59259698Sdim /// Initialize - Initialize internal stage for the function being JITted. 60259698Sdim void Initialize(const MachineFunction &MF, bool isPIC) { 61259698Sdim IsPIC = isPIC; 62259698Sdim } 63259698Sdim 64259698Sdim}; 65259698Sdim} 66259698Sdim 67259698Sdim#endif 68