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63 lines
2.4 KiB
C++
63 lines
2.4 KiB
C++
//===- SparcV9JITInfo.h - SparcV9 Target 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 was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source 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 SparcV9 implementation of the TargetJITInfo class,
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// which makes target-specific hooks available to the target-independent
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// LLVM JIT compiler.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SPARCV9JITINFO_H
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#define SPARCV9JITINFO_H
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#include "llvm/Target/TargetJITInfo.h"
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namespace llvm {
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class TargetMachine;
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class SparcV9JITInfo : public TargetJITInfo {
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TargetMachine &TM;
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public:
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SparcV9JITInfo(TargetMachine &tm) : TM(tm) {}
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/// addPassesToJITCompile - Add passes to the specified pass manager to
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/// implement a fast dynamic compiler for this target. Return true if this
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/// is not supported for this target.
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///
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virtual void addPassesToJITCompile(FunctionPassManager &PM);
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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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virtual void replaceMachineCodeForFunction (void *Old, void *New);
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/// emitFunctionStub - Use the specified MachineCodeEmitter object to emit a
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/// small native function that simply calls the function at the specified
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/// address. Return the address of the resultant function.
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virtual void *emitFunctionStub(void *Fn, MachineCodeEmitter &MCE);
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/// getLazyResolverFunction - This method is used to initialize the JIT,
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/// giving the target the function that should be used to compile a
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/// function, and giving the JIT the target function used to do the lazy
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/// resolving.
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virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn);
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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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virtual void relocate(void *Function, MachineRelocation *MR,
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unsigned NumRelocs);
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};
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}
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#endif
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