CopyScanCacheChunkVLHGCInHeap.hpp

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/**
 * @file
 * @ingroup GC_Modron_Standard
 */

#if !defined(COPYSCANCACHECHUNKVLHGCINHEAP_HPP_)
#define COPYSCANCACHECHUNKVLHGCINHEAP_HPP_

#include "CopyScanCacheChunkVLHGC.hpp" 

#include "GCExtensions.hpp"


/**
 * @todo Provide class documentation
 * @ingroup GC_Modron_Standard
 */
class MM_CopyScanCacheChunkVLHGCInHeap : public MM_CopyScanCacheChunkVLHGC
{
public:
	/**
	 * Returns the number of scan caches which are allocated as part of an instance of the receiver (since they are all currently the same size).
	 * @param env[in] A GC thread
	 * @return The number of caches which will be allocated as part of an instance of the receiver
	 */
	static UDATA numberOfCachesInChunk(MM_EnvironmentVLHGC *env);
	/**
	 * The number of bytes required to allocate an instance of the receiver (since they are all currently the same size).
	 * @param env[in] A GC thread
	 * @return The size, in bytes, of the memory extent required to hold one instance of the receiver
	 */
	static UDATA bytesRequiredToAllocateChunkInHeap(MM_EnvironmentVLHGC *env);
	static MM_CopyScanCacheChunkVLHGCInHeap *newInstance(MM_EnvironmentVLHGC *env, void *buffer, UDATA bufferLengthInBytes, MM_CopyScanCacheVLHGC **nextCacheAddr, MM_CopyScanCacheChunkVLHGC *nextChunk);
	bool initialize(MM_EnvironmentVLHGC *env, UDATA cacheEntryCount, MM_CopyScanCacheVLHGC **nextCacheAddr, MM_CopyScanCacheChunkVLHGC *nextChunk);
	virtual void kill(MM_EnvironmentVLHGC *env);

	/**
	 * Create a CopyScanCacheChunkVLHGCInHeap object.
	 */
	MM_CopyScanCacheChunkVLHGCInHeap()
		: MM_CopyScanCacheChunkVLHGC()
	{
		_typeId = __FUNCTION__;
	};
};

#endif /* COPYSCANCACHECHUNKVLHGCINHEAP_HPP_ */