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src/hotspot/share/gc/z/zCollectedHeap.cpp

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rev 53848 : 8219469: ZGC: Extract functions out from ZNMethodTable into new ZNMethod class


  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #include "precompiled.hpp"
  25 #include "gc/shared/gcHeapSummary.hpp"
  26 #include "gc/shared/suspendibleThreadSet.hpp"
  27 #include "gc/z/zCollectedHeap.hpp"
  28 #include "gc/z/zGlobals.hpp"
  29 #include "gc/z/zHeap.inline.hpp"
  30 #include "gc/z/zNMethodTable.hpp"
  31 #include "gc/z/zServiceability.hpp"
  32 #include "gc/z/zStat.hpp"
  33 #include "gc/z/zUtils.inline.hpp"
  34 #include "runtime/mutexLocker.hpp"
  35 
  36 ZCollectedHeap* ZCollectedHeap::heap() {
  37   CollectedHeap* heap = Universe::heap();
  38   assert(heap != NULL, "Uninitialized access to ZCollectedHeap::heap()");
  39   assert(heap->kind() == CollectedHeap::Z, "Invalid name");
  40   return (ZCollectedHeap*)heap;
  41 }
  42 
  43 ZCollectedHeap::ZCollectedHeap(ZCollectorPolicy* policy) :
  44     _collector_policy(policy),
  45     _soft_ref_policy(),
  46     _barrier_set(),
  47     _initialize(&_barrier_set),
  48     _heap(),
  49     _director(new ZDirector()),
  50     _driver(new ZDriver()),


 238 }
 239 
 240 void ZCollectedHeap::safe_object_iterate(ObjectClosure* cl) {
 241   _heap.object_iterate(cl, true /* visit_referents */);
 242 }
 243 
 244 HeapWord* ZCollectedHeap::block_start(const void* addr) const {
 245   return (HeapWord*)_heap.block_start((uintptr_t)addr);
 246 }
 247 
 248 size_t ZCollectedHeap::block_size(const HeapWord* addr) const {
 249   size_t size_in_bytes = _heap.block_size((uintptr_t)addr);
 250   return ZUtils::bytes_to_words(size_in_bytes);
 251 }
 252 
 253 bool ZCollectedHeap::block_is_obj(const HeapWord* addr) const {
 254   return _heap.block_is_obj((uintptr_t)addr);
 255 }
 256 
 257 void ZCollectedHeap::register_nmethod(nmethod* nm) {
 258   ZNMethodTable::register_nmethod(nm);
 259 }
 260 
 261 void ZCollectedHeap::unregister_nmethod(nmethod* nm) {
 262   ZNMethodTable::unregister_nmethod(nm);
 263 }
 264 
 265 void ZCollectedHeap::verify_nmethod(nmethod* nm) {
 266   // Does nothing
 267 }
 268 
 269 WorkGang* ZCollectedHeap::get_safepoint_workers() {
 270   return _runtime_workers.workers();
 271 }
 272 
 273 jlong ZCollectedHeap::millis_since_last_gc() {
 274   return ZStatCycle::time_since_last() / MILLIUNITS;
 275 }
 276 
 277 void ZCollectedHeap::gc_threads_do(ThreadClosure* tc) const {
 278   tc->do_thread(_director);
 279   tc->do_thread(_driver);
 280   tc->do_thread(_stat);
 281   _heap.worker_threads_do(tc);
 282   _runtime_workers.threads_do(tc);




  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #include "precompiled.hpp"
  25 #include "gc/shared/gcHeapSummary.hpp"
  26 #include "gc/shared/suspendibleThreadSet.hpp"
  27 #include "gc/z/zCollectedHeap.hpp"
  28 #include "gc/z/zGlobals.hpp"
  29 #include "gc/z/zHeap.inline.hpp"
  30 #include "gc/z/zNMethod.hpp"
  31 #include "gc/z/zServiceability.hpp"
  32 #include "gc/z/zStat.hpp"
  33 #include "gc/z/zUtils.inline.hpp"
  34 #include "runtime/mutexLocker.hpp"
  35 
  36 ZCollectedHeap* ZCollectedHeap::heap() {
  37   CollectedHeap* heap = Universe::heap();
  38   assert(heap != NULL, "Uninitialized access to ZCollectedHeap::heap()");
  39   assert(heap->kind() == CollectedHeap::Z, "Invalid name");
  40   return (ZCollectedHeap*)heap;
  41 }
  42 
  43 ZCollectedHeap::ZCollectedHeap(ZCollectorPolicy* policy) :
  44     _collector_policy(policy),
  45     _soft_ref_policy(),
  46     _barrier_set(),
  47     _initialize(&_barrier_set),
  48     _heap(),
  49     _director(new ZDirector()),
  50     _driver(new ZDriver()),


 238 }
 239 
 240 void ZCollectedHeap::safe_object_iterate(ObjectClosure* cl) {
 241   _heap.object_iterate(cl, true /* visit_referents */);
 242 }
 243 
 244 HeapWord* ZCollectedHeap::block_start(const void* addr) const {
 245   return (HeapWord*)_heap.block_start((uintptr_t)addr);
 246 }
 247 
 248 size_t ZCollectedHeap::block_size(const HeapWord* addr) const {
 249   size_t size_in_bytes = _heap.block_size((uintptr_t)addr);
 250   return ZUtils::bytes_to_words(size_in_bytes);
 251 }
 252 
 253 bool ZCollectedHeap::block_is_obj(const HeapWord* addr) const {
 254   return _heap.block_is_obj((uintptr_t)addr);
 255 }
 256 
 257 void ZCollectedHeap::register_nmethod(nmethod* nm) {
 258   ZNMethod::register_nmethod(nm);
 259 }
 260 
 261 void ZCollectedHeap::unregister_nmethod(nmethod* nm) {
 262   ZNMethod::unregister_nmethod(nm);
 263 }
 264 
 265 void ZCollectedHeap::verify_nmethod(nmethod* nm) {
 266   // Does nothing
 267 }
 268 
 269 WorkGang* ZCollectedHeap::get_safepoint_workers() {
 270   return _runtime_workers.workers();
 271 }
 272 
 273 jlong ZCollectedHeap::millis_since_last_gc() {
 274   return ZStatCycle::time_since_last() / MILLIUNITS;
 275 }
 276 
 277 void ZCollectedHeap::gc_threads_do(ThreadClosure* tc) const {
 278   tc->do_thread(_director);
 279   tc->do_thread(_driver);
 280   tc->do_thread(_stat);
 281   _heap.worker_threads_do(tc);
 282   _runtime_workers.threads_do(tc);


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