graal-jvmci-8: src/share/vm/memory/binaryTreeDictionary.cpp comparison

comparison src/share/vm/memory/binaryTreeDictionary.cpp @ 14909:4ca6dc0799b6

Backout jdk9 merge

author	Gilles Duboscq <duboscq@ssw.jku.at>
date	Tue, 01 Apr 2014 13:57:07 +0200
parents	aa8fab3bed11
children	52b4284cb496

comparison

equal deleted inserted replaced

-:8db6e76cb658
+:4ca6dc0799b6
 ////////////////////////////////////////////////////////////////////////////////
 // A binary tree based search structure for free blocks.
 // This is currently used in the Concurrent Mark&Sweep implementation.
 ////////////////////////////////////////////////////////////////////////////////
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 size_t TreeChunk<Chunk_t, FreeList_t>::_min_tree_chunk_size = sizeof(TreeChunk<Chunk_t,  FreeList_t>)/HeapWordSize;
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 TreeChunk<Chunk_t, FreeList_t>* TreeChunk<Chunk_t, FreeList_t>::as_TreeChunk(Chunk_t* fc) {
 // Do some assertion checking here.
 return (TreeChunk<Chunk_t, FreeList_t>*) fc;
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void TreeChunk<Chunk_t, FreeList_t>::verify_tree_chunk_list() const {
 TreeChunk<Chunk_t, FreeList_t>* nextTC = (TreeChunk<Chunk_t, FreeList_t>*)next();
-if (prev() != NULL) { // interior list node shouldn't have tree fields
+if (prev() != NULL) { // interior list node shouldn'r have tree fields
 guarantee(embedded_list()->parent() == NULL && embedded_list()->left() == NULL &&
 embedded_list()->right()  == NULL, "should be clear");
 }
 if (nextTC != NULL) {
 guarantee(as_TreeChunk(nextTC->prev()) == this, "broken chain");
 guarantee(nextTC->size() == size(), "wrong size");
 nextTC->verify_tree_chunk_list();
 }
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 TreeList<Chunk_t, FreeList_t>::TreeList() : _parent(NULL),
 _left(NULL), _right(NULL) {}
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 TreeList<Chunk_t, FreeList_t>*
 TreeList<Chunk_t, FreeList_t>::as_TreeList(TreeChunk<Chunk_t,FreeList_t>* tc) {
 // This first free chunk in the list will be the tree list.
 assert((tc->size() >= (TreeChunk<Chunk_t, FreeList_t>::min_size())),
 "Chunk is too small for a TreeChunk");
 tl->set_count(1);
 assert(tl->parent() == NULL, "Should be clear");
 return tl;
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
+TreeList<Chunk_t, FreeList_t>*
+get_chunk(size_t size, enum FreeBlockDictionary<Chunk_t>::Dither dither) {
+FreeBlockDictionary<Chunk_t>::verify_par_locked();
+Chunk_t* res = get_chunk_from_tree(size, dither);
+assert(res == NULL || res->is_free(),
+"Should be returning a free chunk");
+assert(dither != FreeBlockDictionary<Chunk_t>::exactly ||
+res->size() == size, "Not correct size");
+return res;
+}
+template <class Chunk_t, template <class> class FreeList_t>
 TreeList<Chunk_t, FreeList_t>*
 TreeList<Chunk_t, FreeList_t>::as_TreeList(HeapWord* addr, size_t size) {
 TreeChunk<Chunk_t, FreeList_t>* tc = (TreeChunk<Chunk_t, FreeList_t>*) addr;
 assert((size >= TreeChunk<Chunk_t, FreeList_t>::min_size()),
 "Chunk is too small for a TreeChunk");
 // Specialize for AdaptiveFreeList which tries to avoid
 // splitting a chunk of a size that is under populated in favor of
 // an over populated size.  The general get_better_list() just returns
 // the current list.
 template <>
-TreeList<FreeChunk, AdaptiveFreeList<FreeChunk> >*
+TreeList<FreeChunk, AdaptiveFreeList>*
-TreeList<FreeChunk, AdaptiveFreeList<FreeChunk> >::get_better_list(
+TreeList<FreeChunk, AdaptiveFreeList>::get_better_list(
-BinaryTreeDictionary<FreeChunk, ::AdaptiveFreeList<FreeChunk> >* dictionary) {
+BinaryTreeDictionary<FreeChunk, ::AdaptiveFreeList>* dictionary) {
 // A candidate chunk has been found.  If it is already under
 // populated, get a chunk associated with the hint for this
 // chunk.
-TreeList<FreeChunk, ::AdaptiveFreeList<FreeChunk> >* curTL = this;
+TreeList<FreeChunk, ::AdaptiveFreeList>* curTL = this;
 if (surplus() <= 0) {
 /* Use the hint to find a size with a surplus, and reset the hint. */
-TreeList<FreeChunk, ::AdaptiveFreeList<FreeChunk> >* hintTL = this;
+TreeList<FreeChunk, ::AdaptiveFreeList>* hintTL = this;
 while (hintTL->hint() != 0) {
 assert(hintTL->hint() > hintTL->size(),
 "hint points in the wrong direction");
 hintTL = dictionary->find_list(hintTL->hint());
 assert(curTL != hintTL, "Infinite loop");
 }
 return curTL;
 }
 #endif // INCLUDE_ALL_GCS
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 TreeList<Chunk_t, FreeList_t>*
 TreeList<Chunk_t, FreeList_t>::get_better_list(
 BinaryTreeDictionary<Chunk_t, FreeList_t>* dictionary) {
 return this;
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 TreeList<Chunk_t, FreeList_t>* TreeList<Chunk_t, FreeList_t>::remove_chunk_replace_if_needed(TreeChunk<Chunk_t, FreeList_t>* tc) {
 TreeList<Chunk_t, FreeList_t>* retTL = this;
 Chunk_t* list = head();
 assert(!list || list != list->next(), "Chunk on list twice");
 }
 // Chunk is interior to the list
 prevFC->link_after(nextTC);
 }
-// Below this point the embedded TreeList<Chunk_t, FreeList_t> being used for the
+// Below this point the embeded TreeList<Chunk_t, FreeList_t> being used for the
 // tree node may have changed. Don't use "this"
 // TreeList<Chunk_t, FreeList_t>*.
 // chunk should still be a free chunk (bit set in _prev)
 assert(!retTL->head() || retTL->size() == retTL->head()->size(),
 "Wrong sized chunk in list");
 assert(retTL->tail() == NULL || retTL->tail()->next() == NULL,
 "list invariant");
 return retTL;
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void TreeList<Chunk_t, FreeList_t>::return_chunk_at_tail(TreeChunk<Chunk_t, FreeList_t>* chunk) {
 assert(chunk != NULL, "returning NULL chunk");
 assert(chunk->list() == this, "list should be set for chunk");
 assert(tail() != NULL, "The tree list is embedded in the first chunk");
 // which means that the list can never be empty.
 Chunk_t* fc = tail();
 fc->link_after(chunk);
 this->link_tail(chunk);
 assert(!tail() || size() == tail()->size(), "Wrong sized chunk in list");
-FreeList_t::increment_count();
+FreeList_t<Chunk_t>::increment_count();
 debug_only(this->increment_returned_bytes_by(chunk->size()*sizeof(HeapWord));)
 assert(head() == NULL || head()->prev() == NULL, "list invariant");
 assert(tail() == NULL || tail()->next() == NULL, "list invariant");
 }
 // Add this chunk at the head of the list.  "At the head of the list"
 // is defined to be after the chunk pointer to by head().  This is
 // because the TreeList<Chunk_t, FreeList_t> is embedded in the first TreeChunk<Chunk_t, FreeList_t> in the
 // list.  See the definition of TreeChunk<Chunk_t, FreeList_t>.
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void TreeList<Chunk_t, FreeList_t>::return_chunk_at_head(TreeChunk<Chunk_t, FreeList_t>* chunk) {
 assert(chunk->list() == this, "list should be set for chunk");
 assert(head() != NULL, "The tree list is embedded in the first chunk");
 assert(chunk != NULL, "returning NULL chunk");
 assert(!this->verify_chunk_in_free_list(chunk), "Double entry");
 assert(tail() == NULL, "List is inconsistent");
 this->link_tail(chunk);
 }
 head()->link_after(chunk);
 assert(!head() || size() == head()->size(), "Wrong sized chunk in list");
-FreeList_t::increment_count();
+FreeList_t<Chunk_t>::increment_count();
 debug_only(this->increment_returned_bytes_by(chunk->size()*sizeof(HeapWord));)
 assert(head() == NULL || head()->prev() == NULL, "list invariant");
 assert(tail() == NULL || tail()->next() == NULL, "list invariant");
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void TreeChunk<Chunk_t, FreeList_t>::assert_is_mangled() const {
 assert((ZapUnusedHeapArea &&
 SpaceMangler::is_mangled((HeapWord*) Chunk_t::size_addr()) &&
 SpaceMangler::is_mangled((HeapWord*) Chunk_t::prev_addr()) &&
 SpaceMangler::is_mangled((HeapWord*) Chunk_t::next_addr())) ||
 (size() == 0 && prev() == NULL && next() == NULL),
 "Space should be clear or mangled");
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 TreeChunk<Chunk_t, FreeList_t>* TreeList<Chunk_t, FreeList_t>::head_as_TreeChunk() {
 assert(head() == NULL || (TreeChunk<Chunk_t, FreeList_t>::as_TreeChunk(head())->list() == this),
 "Wrong type of chunk?");
 return TreeChunk<Chunk_t, FreeList_t>::as_TreeChunk(head());
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 TreeChunk<Chunk_t, FreeList_t>* TreeList<Chunk_t, FreeList_t>::first_available() {
 assert(head() != NULL, "The head of the list cannot be NULL");
 Chunk_t* fc = head()->next();
 TreeChunk<Chunk_t, FreeList_t>* retTC;
 if (fc == NULL) {
 }
 // Returns the block with the largest heap address amongst
 // those in the list for this size; potentially slow and expensive,
 // use with caution!
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 TreeChunk<Chunk_t, FreeList_t>* TreeList<Chunk_t, FreeList_t>::largest_address() {
 assert(head() != NULL, "The head of the list cannot be NULL");
 Chunk_t* fc = head()->next();
 TreeChunk<Chunk_t, FreeList_t>* retTC;
 if (fc == NULL) {
 }
 assert(retTC->list() == this, "Wrong type of chunk.");
 return retTC;
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 BinaryTreeDictionary<Chunk_t, FreeList_t>::BinaryTreeDictionary(MemRegion mr) {
 assert((mr.byte_size() > min_size()), "minimum chunk size");
 reset(mr);
 assert(root()->left() == NULL, "reset check failed");
 assert(root()->head()->prev() == NULL, "reset check failed");
 assert(total_size() == root()->size(), "reset check failed");
 assert(total_free_blocks() == 1, "reset check failed");
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::inc_total_size(size_t inc) {
 _total_size = _total_size + inc;
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::dec_total_size(size_t dec) {
 _total_size = _total_size - dec;
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::reset(MemRegion mr) {
 assert((mr.byte_size() > min_size()), "minimum chunk size");
 set_root(TreeList<Chunk_t, FreeList_t>::as_TreeList(mr.start(), mr.word_size()));
 set_total_size(mr.word_size());
 set_total_free_blocks(1);
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::reset(HeapWord* addr, size_t byte_size) {
 MemRegion mr(addr, heap_word_size(byte_size));
 reset(mr);
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::reset() {
 set_root(NULL);
 set_total_size(0);
 set_total_free_blocks(0);
 }
 // Get a free block of size at least size from tree, or NULL.
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 TreeChunk<Chunk_t, FreeList_t>*
 BinaryTreeDictionary<Chunk_t, FreeList_t>::get_chunk_from_tree(
 size_t size,
 enum FreeBlockDictionary<Chunk_t>::Dither dither)
 {
 verify();
 }
 return retTC;
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 TreeList<Chunk_t, FreeList_t>* BinaryTreeDictionary<Chunk_t, FreeList_t>::find_list(size_t size) const {
 TreeList<Chunk_t, FreeList_t>* curTL;
 for (curTL = root(); curTL != NULL;) {
 if (curTL->size() == size) {        // exact match
 break;
 }
 return curTL;
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 bool BinaryTreeDictionary<Chunk_t, FreeList_t>::verify_chunk_in_free_list(Chunk_t* tc) const {
 size_t size = tc->size();
 TreeList<Chunk_t, FreeList_t>* tl = find_list(size);
 if (tl == NULL) {
 return false;
 } else {
 return tl->verify_chunk_in_free_list(tc);
 }
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 Chunk_t* BinaryTreeDictionary<Chunk_t, FreeList_t>::find_largest_dict() const {
 TreeList<Chunk_t, FreeList_t> *curTL = root();
 if (curTL != NULL) {
 while(curTL->right() != NULL) curTL = curTL->right();
 return curTL->largest_address();
 // Remove the current chunk from the tree.  If it is not the last
 // chunk in a list on a tree node, just unlink it.
 // If it is the last chunk in the list (the next link is NULL),
 // remove the node and repair the tree.
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 TreeChunk<Chunk_t, FreeList_t>*
 BinaryTreeDictionary<Chunk_t, FreeList_t>::remove_chunk_from_tree(TreeChunk<Chunk_t, FreeList_t>* tc) {
 assert(tc != NULL, "Should not call with a NULL chunk");
 assert(tc->is_free(), "Header is not marked correctly");
 }
 // Remove the leftmost node (lm) in the tree and return it.
 // If lm has a right child, link it to the left node of
 // the parent of lm.
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 TreeList<Chunk_t, FreeList_t>* BinaryTreeDictionary<Chunk_t, FreeList_t>::remove_tree_minimum(TreeList<Chunk_t, FreeList_t>* tl) {
 assert(tl != NULL && tl->parent() != NULL, "really need a proper sub-tree");
 // locate the subtree minimum by walking down left branches
 TreeList<Chunk_t, FreeList_t>* curTL = tl;
 for (; curTL->left() != NULL; curTL = curTL->left());
 }
 } else {
 // The only use of this method would not pass the root of the
 // tree (as indicated by the assertion above that the tree list
 // has a parent) but the specification does not explicitly exclude the
-// passing of the root so accommodate it.
+// passing of the root so accomodate it.
 set_root(NULL);
 }
 debug_only(
 curTL->clear_parent();  // Test if this needs to be cleared
 curTL->clear_right();    // recall, above, left child is already null
 verify_tree();
 }
 return curTL;
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::insert_chunk_in_tree(Chunk_t* fc) {
 TreeList<Chunk_t, FreeList_t> *curTL, *prevTL;
 size_t size = fc->size();
 assert((size >= min_size()),
 if (FLSVerifyDictionary) {
 verify_tree();
 }
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 size_t BinaryTreeDictionary<Chunk_t, FreeList_t>::max_chunk_size() const {
 FreeBlockDictionary<Chunk_t>::verify_par_locked();
 TreeList<Chunk_t, FreeList_t>* tc = root();
 if (tc == NULL) return 0;
 for (; tc->right() != NULL; tc = tc->right());
 return tc->size();
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 size_t BinaryTreeDictionary<Chunk_t, FreeList_t>::total_list_length(TreeList<Chunk_t, FreeList_t>* tl) const {
 size_t res;
 res = tl->count();
 #ifdef ASSERT
 size_t cnt;
 assert(res == cnt, "The count is not being maintained correctly");
 #endif
 return res;
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 size_t BinaryTreeDictionary<Chunk_t, FreeList_t>::total_size_in_tree(TreeList<Chunk_t, FreeList_t>* tl) const {
 if (tl == NULL)
 return 0;
 return (tl->size() * total_list_length(tl)) +
 total_size_in_tree(tl->left())    +
 total_size_in_tree(tl->right());
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 double BinaryTreeDictionary<Chunk_t, FreeList_t>::sum_of_squared_block_sizes(TreeList<Chunk_t, FreeList_t>* const tl) const {
 if (tl == NULL) {
 return 0.0;
 }
 double size = (double)(tl->size());
 curr += sum_of_squared_block_sizes(tl->left());
 curr += sum_of_squared_block_sizes(tl->right());
 return curr;
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 size_t BinaryTreeDictionary<Chunk_t, FreeList_t>::total_free_blocks_in_tree(TreeList<Chunk_t, FreeList_t>* tl) const {
 if (tl == NULL)
 return 0;
 return total_list_length(tl) +
 total_free_blocks_in_tree(tl->left()) +
 total_free_blocks_in_tree(tl->right());
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 size_t BinaryTreeDictionary<Chunk_t, FreeList_t>::num_free_blocks() const {
 assert(total_free_blocks_in_tree(root()) == total_free_blocks(),
 "_total_free_blocks inconsistency");
 return total_free_blocks();
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 size_t BinaryTreeDictionary<Chunk_t, FreeList_t>::tree_height_helper(TreeList<Chunk_t, FreeList_t>* tl) const {
 if (tl == NULL)
 return 0;
 return 1 + MAX2(tree_height_helper(tl->left()),
 tree_height_helper(tl->right()));
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 size_t BinaryTreeDictionary<Chunk_t, FreeList_t>::tree_height() const {
 return tree_height_helper(root());
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 size_t BinaryTreeDictionary<Chunk_t, FreeList_t>::total_nodes_helper(TreeList<Chunk_t, FreeList_t>* tl) const {
 if (tl == NULL) {
 return 0;
 }
 return 1 + total_nodes_helper(tl->left()) +
 total_nodes_helper(tl->right());
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 size_t BinaryTreeDictionary<Chunk_t, FreeList_t>::total_nodes_in_tree(TreeList<Chunk_t, FreeList_t>* tl) const {
 return total_nodes_helper(root());
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::dict_census_update(size_t size, bool split, bool birth){}
 #if INCLUDE_ALL_GCS
 template <>
-void AFLBinaryTreeDictionary::dict_census_update(size_t size, bool split, bool birth) {
+void AFLBinaryTreeDictionary::dict_census_update(size_t size, bool split, bool birth){
-TreeList<FreeChunk, AdaptiveFreeList<FreeChunk> >* nd = find_list(size);
+TreeList<FreeChunk, AdaptiveFreeList>* nd = find_list(size);
 if (nd) {
 if (split) {
 if (birth) {
 nd->increment_split_births();
 nd->increment_surplus();
 //   This is a birth associated with a LinAB.  The chunk
 //     for the LinAB is not in the dictionary.
 }
 #endif // INCLUDE_ALL_GCS
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 bool BinaryTreeDictionary<Chunk_t, FreeList_t>::coal_dict_over_populated(size_t size) {
 // For the general type of freelists, encourage coalescing by
 // returning true.
 return true;
 }
 #if INCLUDE_ALL_GCS
 template <>
 bool AFLBinaryTreeDictionary::coal_dict_over_populated(size_t size) {
 if (FLSAlwaysCoalesceLarge) return true;
-TreeList<FreeChunk, AdaptiveFreeList<FreeChunk> >* list_of_size = find_list(size);
+TreeList<FreeChunk, AdaptiveFreeList>* list_of_size = find_list(size);
 // None of requested size implies overpopulated.
 return list_of_size == NULL || list_of_size->coal_desired() <= 0 ||
 list_of_size->count() > list_of_size->coal_desired();
 }
 #endif // INCLUDE_ALL_GCS
 //   do_list() walks the free list in a node applying the closure
 //     to each free chunk in the list
 //   do_tree() walks the nodes in the binary tree applying do_list()
 //     to each list at each node.
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 class TreeCensusClosure : public StackObj {
 protected:
-virtual void do_list(FreeList_t* fl) = 0;
+virtual void do_list(FreeList_t<Chunk_t>* fl) = 0;
 public:
 virtual void do_tree(TreeList<Chunk_t, FreeList_t>* tl) = 0;
 };
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 class AscendTreeCensusClosure : public TreeCensusClosure<Chunk_t, FreeList_t> {
 public:
 void do_tree(TreeList<Chunk_t, FreeList_t>* tl) {
 if (tl != NULL) {
 do_tree(tl->left());
 do_tree(tl->right());
 }
 }
 };
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 class DescendTreeCensusClosure : public TreeCensusClosure<Chunk_t, FreeList_t> {
 public:
 void do_tree(TreeList<Chunk_t, FreeList_t>* tl) {
 if (tl != NULL) {
 do_tree(tl->right());
 }
 };
 // For each list in the tree, calculate the desired, desired
 // coalesce, count before sweep, and surplus before sweep.
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 class BeginSweepClosure : public AscendTreeCensusClosure<Chunk_t, FreeList_t> {
 double _percentage;
 float _inter_sweep_current;
 float _inter_sweep_estimate;
 float _intra_sweep_estimate;
 // Used to search the tree until a condition is met.
 // Similar to TreeCensusClosure but searches the
 // tree and returns promptly when found.
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 class TreeSearchClosure : public StackObj {
 protected:
-virtual bool do_list(FreeList_t* fl) = 0;
+virtual bool do_list(FreeList_t<Chunk_t>* fl) = 0;
 public:
 virtual bool do_tree(TreeList<Chunk_t, FreeList_t>* tl) = 0;
 };
 #if 0 //  Don't need this yet but here for symmetry.
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 class AscendTreeSearchClosure : public TreeSearchClosure<Chunk_t> {
 public:
 bool do_tree(TreeList<Chunk_t, FreeList_t>* tl) {
 if (tl != NULL) {
 if (do_tree(tl->left())) return true;
 return false;
 }
 };
 #endif
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 class DescendTreeSearchClosure : public TreeSearchClosure<Chunk_t, FreeList_t> {
 public:
 bool do_tree(TreeList<Chunk_t, FreeList_t>* tl) {
 if (tl != NULL) {
 if (do_tree(tl->right())) return true;
 }
 };
 // Searches the tree for a chunk that ends at the
 // specified address.
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 class EndTreeSearchClosure : public DescendTreeSearchClosure<Chunk_t, FreeList_t> {
 HeapWord* _target;
 Chunk_t* _found;
 public:
 EndTreeSearchClosure(HeapWord* target) : _target(target), _found(NULL) {}
-bool do_list(FreeList_t* fl) {
+bool do_list(FreeList_t<Chunk_t>* fl) {
 Chunk_t* item = fl->head();
 while (item != NULL) {
 if (item->end() == (uintptr_t*) _target) {
 _found = item;
 return true;
 return false;
 }
 Chunk_t* found() { return _found; }
 };
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 Chunk_t* BinaryTreeDictionary<Chunk_t, FreeList_t>::find_chunk_ends_at(HeapWord* target) const {
 EndTreeSearchClosure<Chunk_t, FreeList_t> etsc(target);
 bool found_target = etsc.do_tree(root());
 assert(found_target || etsc.found() == NULL, "Consistency check");
 assert(!found_target || etsc.found() != NULL, "Consistency check");
 return etsc.found();
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::begin_sweep_dict_census(double coalSurplusPercent,
 float inter_sweep_current, float inter_sweep_estimate, float intra_sweep_estimate) {
 BeginSweepClosure<Chunk_t, FreeList_t> bsc(coalSurplusPercent, inter_sweep_current,
 inter_sweep_estimate,
 intra_sweep_estimate);
 }
 // Closures and methods for calculating total bytes returned to the
 // free lists in the tree.
 #ifndef PRODUCT
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 class InitializeDictReturnedBytesClosure : public AscendTreeCensusClosure<Chunk_t, FreeList_t> {
 public:
-void do_list(FreeList_t* fl) {
+void do_list(FreeList_t<Chunk_t>* fl) {
 fl->set_returned_bytes(0);
 }
 };
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::initialize_dict_returned_bytes() {
 InitializeDictReturnedBytesClosure<Chunk_t, FreeList_t> idrb;
 idrb.do_tree(root());
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 class ReturnedBytesClosure : public AscendTreeCensusClosure<Chunk_t, FreeList_t> {
 size_t _dict_returned_bytes;
 public:
 ReturnedBytesClosure() { _dict_returned_bytes = 0; }
-void do_list(FreeList_t* fl) {
+void do_list(FreeList_t<Chunk_t>* fl) {
 _dict_returned_bytes += fl->returned_bytes();
 }
 size_t dict_returned_bytes() { return _dict_returned_bytes; }
 };
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 size_t BinaryTreeDictionary<Chunk_t, FreeList_t>::sum_dict_returned_bytes() {
 ReturnedBytesClosure<Chunk_t, FreeList_t> rbc;
 rbc.do_tree(root());
 return rbc.dict_returned_bytes();
 }
 // Count the number of entries in the tree.
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 class treeCountClosure : public DescendTreeCensusClosure<Chunk_t, FreeList_t> {
 public:
 uint count;
 treeCountClosure(uint c) { count = c; }
-void do_list(FreeList_t* fl) {
+void do_list(FreeList_t<Chunk_t>* fl) {
 count++;
 }
 };
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 size_t BinaryTreeDictionary<Chunk_t, FreeList_t>::total_count() {
 treeCountClosure<Chunk_t, FreeList_t> ctc(0);
 ctc.do_tree(root());
 return ctc.count;
 }
 #endif // PRODUCT
 // Calculate surpluses for the lists in the tree.
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 class setTreeSurplusClosure : public AscendTreeCensusClosure<Chunk_t, FreeList_t> {
 double percentage;
 public:
 setTreeSurplusClosure(double v) { percentage = v; }
 void do_list(FreeList<Chunk_t>* fl) {}
 (ssize_t)((double)fl->desired() * splitSurplusPercent));
 }
 #endif // INCLUDE_ALL_GCS
 };
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::set_tree_surplus(double splitSurplusPercent) {
 setTreeSurplusClosure<Chunk_t, FreeList_t> sts(splitSurplusPercent);
 sts.do_tree(root());
 }
 // Set hints for the lists in the tree.
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 class setTreeHintsClosure : public DescendTreeCensusClosure<Chunk_t, FreeList_t> {
 size_t hint;
 public:
 setTreeHintsClosure(size_t v) { hint = v; }
 void do_list(FreeList<Chunk_t>* fl) {}
 }
 }
 #endif // INCLUDE_ALL_GCS
 };
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::set_tree_hints(void) {
 setTreeHintsClosure<Chunk_t, FreeList_t> sth(0);
 sth.do_tree(root());
 }
 // Save count before previous sweep and splits and coalesces.
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 class clearTreeCensusClosure : public AscendTreeCensusClosure<Chunk_t, FreeList_t> {
 void do_list(FreeList<Chunk_t>* fl) {}
 #if INCLUDE_ALL_GCS
 void do_list(AdaptiveFreeList<Chunk_t>* fl) {
 fl->set_split_deaths(0);
 }
 #endif // INCLUDE_ALL_GCS
 };
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::clear_tree_census(void) {
 clearTreeCensusClosure<Chunk_t, FreeList_t> ctc;
 ctc.do_tree(root());
 }
 // Do reporting and post sweep clean up.
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::end_sweep_dict_census(double splitSurplusPercent) {
 // Does walking the tree 3 times hurt?
 set_tree_surplus(splitSurplusPercent);
 set_tree_hints();
 if (PrintGC && Verbose) {
 }
 clear_tree_census();
 }
 // Print summary statistics
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::report_statistics() const {
 FreeBlockDictionary<Chunk_t>::verify_par_locked();
 gclog_or_tty->print("Statistics for BinaryTreeDictionary:\n"
 "------------------------------------\n");
 size_t total_size = total_chunk_size(debug_only(NULL));
 }
 // Print census information - counts, births, deaths, etc.
 // for each list in the tree.  Also print some summary
 // information.
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 class PrintTreeCensusClosure : public AscendTreeCensusClosure<Chunk_t, FreeList_t> {
 int _print_line;
 size_t _total_free;
-FreeList_t _total;
+FreeList_t<Chunk_t> _total;
 public:
 PrintTreeCensusClosure() {
 _print_line = 0;
 _total_free = 0;
 }
-FreeList_t* total() { return &_total; }
+FreeList_t<Chunk_t>* total() { return &_total; }
 size_t total_free() { return _total_free; }
 void do_list(FreeList<Chunk_t>* fl) {
 if (++_print_line >= 40) {
-FreeList_t::print_labels_on(gclog_or_tty, "size");
+FreeList_t<Chunk_t>::print_labels_on(gclog_or_tty, "size");
 _print_line = 0;
 }
 fl->print_on(gclog_or_tty);
 _total_free +=            fl->count()            * fl->size()        ;
 total()->set_count(      total()->count()       + fl->count()      );
 }
 #if INCLUDE_ALL_GCS
 void do_list(AdaptiveFreeList<Chunk_t>* fl) {
 if (++_print_line >= 40) {
-FreeList_t::print_labels_on(gclog_or_tty, "size");
+FreeList_t<Chunk_t>::print_labels_on(gclog_or_tty, "size");
 _print_line = 0;
 }
 fl->print_on(gclog_or_tty);
 _total_free +=           fl->count()             * fl->size()        ;
 total()->set_count(      total()->count()        + fl->count()      );
 total()->set_split_deaths(total()->split_deaths() + fl->split_deaths());
 }
 #endif // INCLUDE_ALL_GCS
 };
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::print_dict_census(void) const {
 gclog_or_tty->print("\nBinaryTree\n");
-FreeList_t::print_labels_on(gclog_or_tty, "size");
+FreeList_t<Chunk_t>::print_labels_on(gclog_or_tty, "size");
 PrintTreeCensusClosure<Chunk_t, FreeList_t> ptc;
 ptc.do_tree(root());
-FreeList_t* total = ptc.total();
+FreeList_t<Chunk_t>* total = ptc.total();
-FreeList_t::print_labels_on(gclog_or_tty, " ");
+FreeList_t<Chunk_t>::print_labels_on(gclog_or_tty, " ");
 }
 #if INCLUDE_ALL_GCS
 template <>
 void AFLBinaryTreeDictionary::print_dict_census(void) const {
 gclog_or_tty->print("\nBinaryTree\n");
 AdaptiveFreeList<FreeChunk>::print_labels_on(gclog_or_tty, "size");
-PrintTreeCensusClosure<FreeChunk, AdaptiveFreeList<FreeChunk> > ptc;
+PrintTreeCensusClosure<FreeChunk, AdaptiveFreeList> ptc;
 ptc.do_tree(root());
 AdaptiveFreeList<FreeChunk>* total = ptc.total();
 AdaptiveFreeList<FreeChunk>::print_labels_on(gclog_or_tty, " ");
 total->print_on(gclog_or_tty, "TOTAL\t");
 (double)(total->desired() - total->count())
 /(total->desired() != 0 ? (double)total->desired() : 1.0));
 }
 #endif // INCLUDE_ALL_GCS
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 class PrintFreeListsClosure : public AscendTreeCensusClosure<Chunk_t, FreeList_t> {
 outputStream* _st;
 int _print_line;
 public:
 PrintFreeListsClosure(outputStream* st) {
 _st = st;
 _print_line = 0;
 }
-void do_list(FreeList_t* fl) {
+void do_list(FreeList_t<Chunk_t>* fl) {
 if (++_print_line >= 40) {
-FreeList_t::print_labels_on(_st, "size");
+FreeList_t<Chunk_t>::print_labels_on(_st, "size");
 _print_line = 0;
 }
 fl->print_on(gclog_or_tty);
 size_t sz = fl->size();
 for (Chunk_t* fc = fl->head(); fc != NULL;
 fc->cantCoalesce() ? "\t CC" : "");
 }
 }
 };
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::print_free_lists(outputStream* st) const {
-FreeList_t::print_labels_on(st, "size");
+FreeList_t<Chunk_t>::print_labels_on(st, "size");
 PrintFreeListsClosure<Chunk_t, FreeList_t> pflc(st);
 pflc.do_tree(root());
 }
 // Verify the following tree invariants:
 // . _root has no parent
 // . parent and child point to each other
 // . each node's key correctly related to that of its child(ren)
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::verify_tree() const {
 guarantee(root() == NULL || total_free_blocks() == 0 ||
-total_size() != 0, "_total_size shouldn't be 0?");
+total_size() != 0, "_total_size should't be 0?");
 guarantee(root() == NULL || root()->parent() == NULL, "_root shouldn't have parent");
 verify_tree_helper(root());
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 size_t BinaryTreeDictionary<Chunk_t, FreeList_t>::verify_prev_free_ptrs(TreeList<Chunk_t, FreeList_t>* tl) {
 size_t ct = 0;
 for (Chunk_t* curFC = tl->head(); curFC != NULL; curFC = curFC->next()) {
 ct++;
 assert(curFC->prev() == NULL || curFC->prev()->is_free(),
 }
 // Note: this helper is recursive rather than iterative, so use with
 // caution on very deep trees; and watch out for stack overflow errors;
 // In general, to be used only for debugging.
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::verify_tree_helper(TreeList<Chunk_t, FreeList_t>* tl) const {
 if (tl == NULL)
 return;
 guarantee(tl->size() != 0, "A list must has a size");
 guarantee(tl->left()  == NULL || tl->left()->parent()  == tl,
 }
 verify_tree_helper(tl->left());
 verify_tree_helper(tl->right());
 }
-template <class Chunk_t, class FreeList_t>
+template <class Chunk_t, template <class> class FreeList_t>
 void BinaryTreeDictionary<Chunk_t, FreeList_t>::verify() const {
 verify_tree();
 guarantee(total_size() == total_size_in_tree(root()), "Total Size inconsistency");
 }
-template class TreeList<Metablock, FreeList<Metablock> >;
+template class TreeList<Metablock, FreeList>;
-template class BinaryTreeDictionary<Metablock, FreeList<Metablock> >;
+template class BinaryTreeDictionary<Metablock, FreeList>;
-template class TreeChunk<Metablock, FreeList<Metablock> >;
+template class TreeChunk<Metablock, FreeList>;
-template class TreeList<Metachunk, FreeList<Metachunk> >;
+template class TreeList<Metachunk, FreeList>;
-template class BinaryTreeDictionary<Metachunk, FreeList<Metachunk> >;
+template class BinaryTreeDictionary<Metachunk, FreeList>;
-template class TreeChunk<Metachunk, FreeList<Metachunk> >;
+template class TreeChunk<Metachunk, FreeList>;
 #if INCLUDE_ALL_GCS
 // Explicitly instantiate these types for FreeChunk.
-template class TreeList<FreeChunk, AdaptiveFreeList<FreeChunk> >;
+template class TreeList<FreeChunk, AdaptiveFreeList>;
-template class BinaryTreeDictionary<FreeChunk, AdaptiveFreeList<FreeChunk> >;
+template class BinaryTreeDictionary<FreeChunk, AdaptiveFreeList>;
-template class TreeChunk<FreeChunk, AdaptiveFreeList<FreeChunk> >;
+template class TreeChunk<FreeChunk, AdaptiveFreeList>;
 #endif // INCLUDE_ALL_GCS

Mercurial > hg > graal-jvmci-8

comparison src/share/vm/memory/binaryTreeDictionary.cpp @ 14909:4ca6dc0799b6