Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===-- ObjectCache.h - Class definition for the ObjectCache ----*- C++ -*-===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_EXECUTIONENGINE_OBJECTCACHE_H

#define LLVM_EXECUTIONENGINE_OBJECTCACHE_H

#include <memory>

namespace llvm {

class MemoryBuffer;

class MemoryBufferRef;

class Module;

/// This is the base ObjectCache type which can be provided to an

/// ExecutionEngine for the purpose of avoiding compilation for Modules that

/// have already been compiled and an object file is available.

class ObjectCache {

  virtual void anchor();

public:

  ObjectCache() = default;

  virtual ~ObjectCache() = default;

  /// notifyObjectCompiled - Provides a pointer to compiled code for Module M.

  virtual void notifyObjectCompiled(const Module *M, MemoryBufferRef Obj) = 0;

  /// Returns a pointer to a newly allocated MemoryBuffer that contains the

  /// object which corresponds with Module M, or 0 if an object is not

  /// available.

  virtual std::unique_ptr<MemoryBuffer> getObject(const Module* M) = 0;

};

} // end namespace llvm

#endif // LLVM_EXECUTIONENGINE_OBJECTCACHE_H