llvm-6502/lib/Target/ARM/ARMJITInfo.h

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//===- ARMJITInfo.h - ARM 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 ARMJITInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef ARMJITINFO_H
#define ARMJITINFO_H
#include "llvm/Target/TargetJITInfo.h"
namespace llvm {
class ARMTargetMachine;
class ARMJITInfo : public TargetJITInfo {
ARMTargetMachine &TM;
public:
explicit ARMJITInfo(ARMTargetMachine &tm) : TM(tm) {useGOT = 0;}
/// 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);
/// emitFunctionStub - Use the specified MachineCodeEmitter object to emit a
/// small native function that simply calls the function at the specified
/// address.
virtual void *emitFunctionStub(const Function* F, void *Fn,
MachineCodeEmitter &MCE);
/// 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);
};
}
#endif