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e19f7261d5
Lots of cleanup to make the interfaces prettier, use the JITMemoryManager, handle multiple functions and modules, etc.. This gets far enough that the MCJIT compiles and runs code, though. llvm-svn: 128052
91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
//===-- MCJIT.h - Class definition for the MCJIT ----------------*- 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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#ifndef LLVM_LIB_EXECUTIONENGINE_MCJIT_H
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#define LLVM_LIB_EXECUTIONENGINE_MCJIT_H
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#include "llvm/PassManager.h"
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#include "llvm/ExecutionEngine/ExecutionEngine.h"
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#include "llvm/ExecutionEngine/RuntimeDyld.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/Support/raw_ostream.h"
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namespace llvm {
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// FIXME: This makes all kinds of horrible assumptions for the time being,
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// like only having one module, not needing to worry about multi-threading,
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// blah blah. Purely in get-it-up-and-limping mode for now.
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class MCJIT : public ExecutionEngine {
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MCJIT(Module *M, TargetMachine *tm, TargetJITInfo &tji,
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JITMemoryManager *JMM, CodeGenOpt::Level OptLevel,
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bool AllocateGVsWithCode);
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TargetMachine *TM;
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MCContext *Ctx;
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// FIXME: These may need moved to a separate 'jitstate' member like the
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// non-MC JIT does for multithreading and such. Just keep them here for now.
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PassManager PM;
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Module *M;
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// FIXME: This really doesn't belong here.
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SmallVector<char, 4096> Buffer; // Working buffer into which we JIT.
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raw_svector_ostream OS;
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RuntimeDyld Dyld;
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public:
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~MCJIT();
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/// @name ExecutionEngine interface implementation
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/// @{
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virtual void *getPointerToBasicBlock(BasicBlock *BB);
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virtual void *getPointerToFunction(Function *F);
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virtual void *recompileAndRelinkFunction(Function *F);
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virtual void freeMachineCodeForFunction(Function *F);
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virtual GenericValue runFunction(Function *F,
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const std::vector<GenericValue> &ArgValues);
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/// @}
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/// @name (Private) Registration Interfaces
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/// @{
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static void Register() {
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MCJITCtor = createJIT;
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}
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// FIXME: This routine is scheduled for termination. Do not use it.
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static TargetMachine *selectTarget(Module *M,
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StringRef MArch,
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StringRef MCPU,
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const SmallVectorImpl<std::string>& MAttrs,
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std::string *Err);
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static ExecutionEngine *createJIT(Module *M,
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std::string *ErrorStr,
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JITMemoryManager *JMM,
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CodeGenOpt::Level OptLevel,
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bool GVsWithCode,
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CodeModel::Model CMM,
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StringRef MArch,
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StringRef MCPU,
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const SmallVectorImpl<std::string>& MAttrs);
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// @}
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};
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} // End llvm namespace
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#endif
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