llvm-project/llvm/lib/Target/PowerPC/PPCJITInfo.h

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//===- PPCJITInfo.h - PowerPC impl. of the JIT interface --------*- C++ -*-===//
//
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// 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.
//
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//===----------------------------------------------------------------------===//
//
// This file contains the PowerPC implementation of the TargetJITInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef POWERPC_JITINFO_H
#define POWERPC_JITINFO_H
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#include "llvm/Target/TargetJITInfo.h"
namespace llvm {
class TargetMachine;
// FIXME: Merge into one PPCJITInfo class.
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class PowerPCJITInfo : public TargetJITInfo {
protected:
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TargetMachine &TM;
public:
PowerPCJITInfo(TargetMachine &tm) : TM(tm) {useGOT = 0;}
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/// 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);
};
class PPC32JITInfo : public PowerPCJITInfo {
public:
PPC32JITInfo(TargetMachine &tm) : PowerPCJITInfo(tm) {}
virtual void *emitFunctionStub(void *Fn, MachineCodeEmitter &MCE);
virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn);
virtual void relocate(void *Function, MachineRelocation *MR,
unsigned NumRelocs, unsigned char* GOTBase);
/// 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);
};
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}
#endif