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57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
//===- AlphaJITInfo.h - Alpha impl. 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 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 Alpha implementation of the TargetJITInfo class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef ALPHA_JITINFO_H
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#define ALPHA_JITINFO_H
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#include "llvm/Target/TargetJITInfo.h"
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#include "llvm/GlobalValue.h"
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#include <string>
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#include <map>
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namespace llvm {
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class TargetMachine;
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class AlphaJITInfo : public TargetJITInfo {
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protected:
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TargetMachine &TM;
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public:
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AlphaJITInfo(TargetMachine &tm) : TM(tm)
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{ useGOT = true; }
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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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virtual void *emitFunctionStub(void *Fn, MachineCodeEmitter &MCE);
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virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn);
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virtual void relocate(void *Function, MachineRelocation *MR,
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unsigned NumRelocs, unsigned char* GOTBase);
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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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private:
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static const unsigned GOToffset = 4096;
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};
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}
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#endif
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