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