llvm-6502/lib/Target/X86/X86JITInfo.h
2003-12-20 01:22:19 +00:00

48 lines
1.7 KiB
C++

//===- X86JITInfo.h - X86 implementation of the JIT interface --*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the X86 implementation of the TargetJITInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef X86JITINFO_H
#define X86JITINFO_H
#include "llvm/Target/TargetJITInfo.h"
namespace llvm {
class TargetMachine;
class X86JITInfo : public TargetJITInfo {
TargetMachine &TM;
public:
X86JITInfo(TargetMachine &tm) : TM(tm) {}
/// addPassesToJITCompile - Add passes to the specified pass manager to
/// implement a fast dynamic compiler for this target. Return true if this
/// is not supported for this target.
///
virtual void addPassesToJITCompile(FunctionPassManager &PM);
/// 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);
/// getJITStubForFunction - Create or return a stub for the specified
/// function. This stub acts just like the specified function, except that
/// it allows the "address" of the function to be taken without having to
/// generate code for it.
virtual void *getJITStubForFunction(Function *F, MachineCodeEmitter &MCE);
};
}
#endif