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//===- MipsJITInfo.h - Mips Implementation of the JIT Interface -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the declaration of the MipsJITInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef MIPSJITINFO_H
#define MIPSJITINFO_H
#include "MipsMachineFunction.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/Target/TargetJITInfo.h"
namespace llvm {
class MipsTargetMachine;
class MipsJITInfo : public TargetJITInfo {
bool IsPIC;
bool IsLittleEndian;
public:
explicit MipsJITInfo() :
IsPIC(false), IsLittleEndian(true) {}
/// replaceMachineCodeForFunction - Make it so that calling the function
/// whose machine code is at OLD turns into a call to NEW, perhaps by
/// overwriting OLD with a branch to NEW. This is used for self-modifying
/// code.
///
virtual void replaceMachineCodeForFunction(void *Old, void *New);
// getStubLayout - Returns the size and alignment of the largest call stub
// on Mips.
virtual StubLayout getStubLayout();
/// emitFunctionStub - Use the specified JITCodeEmitter object to emit a
/// small native function that simply calls the function at the specified
/// address.
virtual void *emitFunctionStub(const Function *F, void *Fn,
JITCodeEmitter &JCE);
/// getLazyResolverFunction - Expose the lazy resolver to the JIT.
virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn);
/// relocate - Before the JIT can run a block of code that has been emitted,
/// it must rewrite the code to contain the actual addresses of any
/// referenced global symbols.
virtual void relocate(void *Function, MachineRelocation *MR,
unsigned NumRelocs, unsigned char *GOTBase);
/// Initialize - Initialize internal stage for the function being JITted.
void Initialize(const MachineFunction &MF, bool isPIC,
bool isLittleEndian) {
IsPIC = isPIC;
IsLittleEndian = isLittleEndian;
}
};
}
#endif
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