llvm-6502/include/llvm/ExecutionEngine/ObjectCache.h
Juergen Ributzka 354362524a [weak vtables] Remove a bunch of weak vtables
This patch removes most of the trivial cases of weak vtables by pinning them to
a single object file. The memory leaks in this version have been fixed. Thanks
Alexey for pointing them out.

Differential Revision: http://llvm-reviews.chandlerc.com/D2068

Reviewed by Andy

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195064 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-19 00:57:56 +00:00

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1.3 KiB
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//===-- ObjectCache.h - Class definition for the ObjectCache -----C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_EXECUTIONENGINE_OBJECTCACHE_H
#define LLVM_EXECUTIONENGINE_OBJECTCACHE_H
#include "llvm/Support/MemoryBuffer.h"
namespace llvm {
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() { }
virtual ~ObjectCache() { }
/// notifyObjectCompiled - Provides a pointer to compiled code for Module M.
virtual void notifyObjectCompiled(const Module *M, const MemoryBuffer *Obj) = 0;
/// getObjectCopy - 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. The caller owns both the MemoryBuffer returned by this
/// and the memory it references.
virtual MemoryBuffer* getObject(const Module* M) = 0;
};
}
#endif