Remove unused off heap related APIs

caller has been updated to use new signature of the below APIs, remove the old unused APIs. class MM_SparseVirtualMemory updateSparseDataEntryAfterObjectHasMoved() freeSparseRegionAndUnmapFromHeapObject() class MM_SparseAddressOrderedFixedSizeDataPool isValidDataPtr() unmapSparseDataPtrFromHeapProxyObjectPtr() updateSparseDataEntryAfterObjectHasMoved() Signed-off-by: lhu <[email protected]>
eclipse-omr · Feb 7, 2025 · 0dba1f8 · 0dba1f8
1 parent 74871b1
commit 0dba1f8
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diff --git a/gc/base/SparseAddressOrderedFixedSizeDataPool.cpp b/gc/base/SparseAddressOrderedFixedSizeDataPool.cpp
@@ -144,22 +144,6 @@ MM_SparseAddressOrderedFixedSizeDataPool::mapSparseDataPtrToHeapProxyObjectPtr(v
 	return ret;
 }
 
-bool
-MM_SparseAddressOrderedFixedSizeDataPool::unmapSparseDataPtrFromHeapProxyObjectPtr(void *dataPtr)
-{
-	bool ret = true;
-	MM_SparseDataTableEntry entryToRemove = MM_SparseDataTableEntry(dataPtr);
-
-	if (0 != hashTableRemove(_objectToSparseDataTable, &entryToRemove)) {
-		Trc_MM_SparseAddressOrderedFixedSizeDataPool_removeEntry_failure(dataPtr);
-		ret = false;
-	} else {
-		Trc_MM_SparseAddressOrderedFixedSizeDataPool_removeEntry_success(dataPtr);
-	}
-
-	return ret;
-}
-
 bool
 MM_SparseAddressOrderedFixedSizeDataPool::unmapSparseDataPtrFromHeapProxyObjectPtr(void *dataPtr, void *proxyObjPtr, uintptr_t size)
 {
@@ -217,19 +201,6 @@ MM_SparseAddressOrderedFixedSizeDataPool::findHeapProxyObjectPtrForSparseDataPtr
 	return proxyObjPtr;
 }
 
-bool
-MM_SparseAddressOrderedFixedSizeDataPool::isValidDataPtr(void *dataPtr)
-{
-	MM_SparseDataTableEntry *entry = findSparseDataTableEntryForSparseDataPtr(dataPtr);
-	bool ret = true;
-
-	if (entry != NULL) {
-		ret = (entry->_dataPtr == dataPtr);
-	}
-
-	return ret;
-}
-
 bool
 MM_SparseAddressOrderedFixedSizeDataPool::isValidDataPtr(void *dataPtr, void *proxyObjPtr, uintptr_t size)
 {
@@ -390,24 +361,6 @@ MM_SparseAddressOrderedFixedSizeDataPool::returnFreeListEntry(void *dataAddr, ui
 	return true;
 }
 
-bool
-MM_SparseAddressOrderedFixedSizeDataPool::updateSparseDataEntryAfterObjectHasMoved(void *dataPtr, void *proxyObjPtr)
-{
-	bool ret = true;
-	MM_SparseDataTableEntry lookupEntry = MM_SparseDataTableEntry(dataPtr);
-	MM_SparseDataTableEntry *entry = (MM_SparseDataTableEntry *)hashTableFind(_objectToSparseDataTable, &lookupEntry);
-
-	if ((NULL != entry) && (entry->_dataPtr == dataPtr)) {
-		Trc_MM_SparseAddressOrderedFixedSizeDataPool_updateEntry_success(dataPtr, entry->_proxyObjPtr, proxyObjPtr);
-		entry->_proxyObjPtr = proxyObjPtr;
-	} else {
-		Trc_MM_SparseAddressOrderedFixedSizeDataPool_findEntry_failure(dataPtr);
-		ret = false;
-	}
-
-	return ret;
-}
-
 bool
 MM_SparseAddressOrderedFixedSizeDataPool::updateSparseDataEntryAfterObjectHasMoved(void *dataPtr, void *oldProxyObjPtr, uintptr_t size, void *newProxyObjPtr)
 {

diff --git a/gc/base/SparseAddressOrderedFixedSizeDataPool.hpp b/gc/base/SparseAddressOrderedFixedSizeDataPool.hpp
@@ -131,15 +131,6 @@ class MM_SparseAddressOrderedFixedSizeDataPool : public MM_BaseVirtual
 	 */
 	bool mapSparseDataPtrToHeapProxyObjectPtr(void *dataPtr, void *proxyObjPtr, uintptr_t size);
 
-	/**
-	 * Remove entry from the hash table that is associated the object data pointer provided
-	 *
-	 * @param dataPtr	void*	Data pointer
-	 *
-	 * @return true if key associated to dataPtr is removed successfully, false otherwise
-	 */
-	bool unmapSparseDataPtrFromHeapProxyObjectPtr(void *dataPtr);
-
 	/**
 	 * Remove entry from the hash table that is associated the object data pointer provided.
 	 * Verify if the entry is consistent(the size and associated the object) before removing.
@@ -176,13 +167,6 @@ class MM_SparseAddressOrderedFixedSizeDataPool : public MM_BaseVirtual
 	 */
 	void *findHeapProxyObjectPtrForSparseDataPtr(void *dataPtr);
 
-	/**
-	 * Check if the given data pointer is valid
-	 *
-	 * @param dataPtr	void*	Data pointer
-	 * @return true if data pointer is valid
-	 */
-	bool isValidDataPtr(void *dataPtr);
 	/**
 	 * Check if the given data pointer is valid and consistent(dataPtr, proxyObjPtr and size)
 	 *
@@ -225,16 +209,6 @@ class MM_SparseAddressOrderedFixedSizeDataPool : public MM_BaseVirtual
 		return _allocObjectCount;
 	}
 
-	/**
-	 * Update the proxyObjPtr after an object has moved for the sparse data entry associated with the given dataPtr.
-	 *
-	 * @param dataPtr       void*   Data pointer
-	 * @param proxyObjPtr   void*   Updated in-heap proxy object pointer for data pointer
-	 *
-	 * @return true if the sparse data entry was successfully updated, false otherwise
-	 */
-	bool updateSparseDataEntryAfterObjectHasMoved(void *dataPtr, void *proxyObjPtr);
-
 	/**
 	 * Update the newProxyObjPtr after an object has moved for the sparse data entry associated with the given dataPtr.
 	 * Verify if the entry is consistent(the size and associated the object) before updating.

diff --git a/gc/base/SparseVirtualMemory.cpp b/gc/base/SparseVirtualMemory.cpp
@@ -113,15 +113,6 @@ MM_SparseVirtualMemory::kill(MM_EnvironmentBase *env)
 	env->getForge()->free(this);
 }
 
-bool
-MM_SparseVirtualMemory::updateSparseDataEntryAfterObjectHasMoved(void *dataPtr, void *objPtr)
-{
-	omrthread_monitor_enter(_largeObjectVirtualMemoryMutex);
-	bool ret = _sparseDataPool->updateSparseDataEntryAfterObjectHasMoved(dataPtr, objPtr);
-	omrthread_monitor_exit(_largeObjectVirtualMemoryMutex);
-	return ret;
-}
-
 bool
 MM_SparseVirtualMemory::updateSparseDataEntryAfterObjectHasMoved(void *dataPtr, void *oldProxyObjPtr, uintptr_t size, void *newProxyObjPtr)
 {
@@ -167,30 +158,6 @@ MM_SparseVirtualMemory::allocateSparseFreeEntryAndMapToHeapObject(void *proxyObj
 	return sparseHeapAddr;
 }
 
-bool
-MM_SparseVirtualMemory::freeSparseRegionAndUnmapFromHeapObject(MM_EnvironmentBase *env, void *dataPtr)
-{
-	uintptr_t dataSize = _sparseDataPool->findObjectDataSizeForSparseDataPtr(dataPtr);
-	bool ret = true;
-
-	if ((NULL != dataPtr) && (0 != dataSize)) {
-		uintptr_t adjustedSize = adjustSize(dataSize);
-		ret = decommitMemory(env, dataPtr, adjustedSize);
-		if (ret) {
-			omrthread_monitor_enter(_largeObjectVirtualMemoryMutex);
-			ret = (_sparseDataPool->returnFreeListEntry(dataPtr, adjustedSize) && _sparseDataPool->unmapSparseDataPtrFromHeapProxyObjectPtr(dataPtr));
-			omrthread_monitor_exit(_largeObjectVirtualMemoryMutex);
-			Trc_MM_SparseVirtualMemory_decommitMemory_success(dataPtr, (void *)adjustedSize);
-		} else {
-			Trc_MM_SparseVirtualMemory_decommitMemory_failure(dataPtr, (void *)adjustedSize);
-			/* TODO: Assert Fatal in case of failure? */
-			Assert_MM_true(false);
-		}
-	}
-
-	return ret;
-}
-
 bool
 MM_SparseVirtualMemory::freeSparseRegionAndUnmapFromHeapObject(MM_EnvironmentBase *env, void *dataPtr, void *proxyObjPtr, uintptr_t size)
 {

diff --git a/gc/base/SparseVirtualMemory.hpp b/gc/base/SparseVirtualMemory.hpp
@@ -89,16 +89,6 @@ class MM_SparseVirtualMemory : public MM_VirtualMemory {
 	static MM_SparseVirtualMemory* newInstance(MM_EnvironmentBase* env, uint32_t memoryCategory, MM_Heap *in_heap);
 	virtual void kill(MM_EnvironmentBase *env);
 
-	/**
-	 * After the in-heap proxy object pointer has moved, update the proxyObjPtr for the sparse data entry associated with the dataPtr.
-	 *
-	 * @param dataPtr		void*	Data pointer
-	 * @param proxyObjPtr	void*	Updated in-heap proxy object pointer for the data pointer
-	 *
-	 * @return true if the table entry was successfully updated, false otherwise
-	 */
-	bool updateSparseDataEntryAfterObjectHasMoved(void *dataPtr, void *proxyObjPtr);
-
 	/**
 	 * After the in-heap proxy object pointer has moved, update the proxyObjPtr for the sparse data entry associated with the dataPtr.
 	 * Verify if the entry is consistent(the size and associated the object) before updating.
@@ -122,17 +112,6 @@ class MM_SparseVirtualMemory : public MM_VirtualMemory {
 	 */
 	void *allocateSparseFreeEntryAndMapToHeapObject(void *proxyObjPtr, uintptr_t size);
 
-	/**
-	 * Once object is collected by GC, we need to free the sparse region associated
-	 * with the object pointer. Therefore we decommit sparse region and return free
-	 * region to the sparse free region pool.
-	 *
-	 * @param dataPtr	void*	Data pointer
-	 *
-	 * @return true if region associated to object was decommited and freed successfully, false otherwise
-	 */
-	bool freeSparseRegionAndUnmapFromHeapObject(MM_EnvironmentBase* env, void *dataPtr);
-
 	/**
 	 * Once object is collected by GC, we need to free the sparse region associated
 	 * with the object pointer. Therefore we decommit sparse region and return free