1 /*
   2  * Copyright (c) 2013, 2018, Red Hat, Inc. All rights reserved.
   3  *
   4  * This code is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License version 2 only, as
   6  * published by the Free Software Foundation.
   7  *
   8  * This code is distributed in the hope that it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  11  * version 2 for more details (a copy is included in the LICENSE file that
  12  * accompanied this code).
  13  *
  14  * You should have received a copy of the GNU General Public License version
  15  * 2 along with this work; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  *
  22  */
  23 
  24 #include "precompiled.hpp"
  25 
  26 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
  27 #include "gc/shenandoah/shenandoahUtils.hpp"
  28 #include "gc/shenandoah/shenandoahVMOperations.hpp"
  29 
  30 bool VM_ShenandoahReferenceOperation::doit_prologue() {
  31   Heap_lock->lock();
  32   return true;
  33 }
  34 
  35 void VM_ShenandoahReferenceOperation::doit_epilogue() {
  36   if (Universe::has_reference_pending_list()) {
  37     Heap_lock->notify_all();
  38   }
  39   Heap_lock->unlock();
  40 }
  41 
  42 void VM_ShenandoahInitMark::doit() {
  43   ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::OTHER);
  44   ShenandoahHeap::heap()->entry_init_mark();
  45 }
  46 
  47 void VM_ShenandoahFinalMarkStartEvac::doit() {
  48   ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::OTHER);
  49   ShenandoahHeap::heap()->entry_final_mark();
  50 }
  51 
  52 void VM_ShenandoahFinalEvac::doit() {
  53   ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::OTHER);
  54   ShenandoahHeap::heap()->entry_final_evac();
  55 }
  56 
  57 void VM_ShenandoahFullGC::doit() {
  58   ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::FULL);
  59   ShenandoahHeap::heap()->entry_full(_gc_cause);
  60 }
  61 
  62 void VM_ShenandoahDegeneratedGC::doit() {
  63   ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::OTHER);
  64   ShenandoahHeap::heap()->entry_degenerated(_point);
  65 }
  66 
  67 void VM_ShenandoahInitTraversalGC::doit() {
  68   ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::OTHER);
  69   ShenandoahHeap::heap()->entry_init_traversal();
  70 }
  71 
  72 void VM_ShenandoahFinalTraversalGC::doit() {
  73   ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::OTHER);
  74   ShenandoahHeap::heap()->entry_final_traversal();
  75 }
  76 
  77 void VM_ShenandoahInitUpdateRefs::doit() {
  78   ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::OTHER);
  79   ShenandoahHeap::heap()->entry_init_updaterefs();
  80 }
  81 
  82 void VM_ShenandoahFinalUpdateRefs::doit() {
  83   ShenandoahGCPauseMark mark(_gc_id, SvcGCMarker::OTHER);
  84   ShenandoahHeap::heap()->entry_final_updaterefs();
  85 }