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//==- SparcJITInfo.h - Sparc 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 SparcJITInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef SPARCJITINFO_H
#define SPARCJITINFO_H
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/Target/TargetJITInfo.h"
namespace llvm {
class SparcTargetMachine;
class SparcJITInfo : public TargetJITInfo {
bool IsPIC;
public:
explicit SparcJITInfo()
: IsPIC(false) {}
/// 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.
///
void replaceMachineCodeForFunction(void *Old, void *New) override;
// getStubLayout - Returns the size and alignment of the largest call stub
// on Sparc.
StubLayout getStubLayout() override;
/// emitFunctionStub - Use the specified JITCodeEmitter object to emit a
/// small native function that simply calls the function at the specified
/// address.
void *emitFunctionStub(const Function *F, void *Fn,
JITCodeEmitter &JCE) override;
/// getLazyResolverFunction - Expose the lazy resolver to the JIT.
LazyResolverFn getLazyResolverFunction(JITCompilerFn) override;
/// 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.
void relocate(void *Function, MachineRelocation *MR,
unsigned NumRelocs, unsigned char *GOTBase) override;
/// Initialize - Initialize internal stage for the function being JITted.
void Initialize(const MachineFunction &MF, bool isPIC) {
IsPIC = isPIC;
}
};
}
#endif
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