1 //===- MipsJITInfo.h - Mips implementation of the JIT interface -*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains the declaration of the MipsJITInfo class.
12 //===----------------------------------------------------------------------===//
17 #include "MipsMachineFunction.h"
18 #include "llvm/CodeGen/MachineConstantPool.h"
19 #include "llvm/CodeGen/MachineFunction.h"
20 #include "llvm/CodeGen/MachineJumpTableInfo.h"
21 #include "llvm/Target/TargetJITInfo.h"
22 #include "llvm/ADT/DenseMap.h"
23 #include "llvm/ADT/SmallVector.h"
26 class MipsTargetMachine;
28 class MipsJITInfo : public TargetJITInfo {
33 explicit MipsJITInfo() :
36 /// replaceMachineCodeForFunction - Make it so that calling the function
37 /// whose machine code is at OLD turns into a call to NEW, perhaps by
38 /// overwriting OLD with a branch to NEW. This is used for self-modifying
41 virtual void replaceMachineCodeForFunction(void *Old, void *New);
43 // getStubLayout - Returns the size and alignment of the largest call stub
45 virtual StubLayout getStubLayout();
47 /// emitFunctionStub - Use the specified JITCodeEmitter object to emit a
48 /// small native function that simply calls the function at the specified
50 virtual void *emitFunctionStub(const Function* F, void *Fn,
53 /// getLazyResolverFunction - Expose the lazy resolver to the JIT.
54 virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn);
56 /// relocate - Before the JIT can run a block of code that has been emitted,
57 /// it must rewrite the code to contain the actual addresses of any
58 /// referenced global symbols.
59 virtual void relocate(void *Function, MachineRelocation *MR,
60 unsigned NumRelocs, unsigned char* GOTBase);
62 /// Initialize - Initialize internal stage for the function being JITted.
63 void Initialize(const MachineFunction &MF, bool isPIC) {