Mercurial > hg > truffle
view src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.hpp @ 1294:7de45b5044c3
6932270: Allow Java's ELF symtab reader to use separate debuginfo files
Reviewed-by: never
Contributed-by: Andrew Haley <aph@redhat.com>
author | never |
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date | Tue, 09 Mar 2010 11:02:39 -0800 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2001-2005 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ class PSAdaptiveSizePolicy; class PSYoungGen; class PSOldGen; class PSMarkSweep : public MarkSweep { private: static elapsedTimer _accumulated_time; static unsigned int _total_invocations; static jlong _time_of_last_gc; // ms static CollectorCounters* _counters; // Closure accessors static OopClosure* mark_and_push_closure() { return &MarkSweep::mark_and_push_closure; } static VoidClosure* follow_stack_closure() { return (VoidClosure*)&MarkSweep::follow_stack_closure; } static OopClosure* adjust_pointer_closure() { return (OopClosure*)&MarkSweep::adjust_pointer_closure; } static OopClosure* adjust_root_pointer_closure() { return (OopClosure*)&MarkSweep::adjust_root_pointer_closure; } static BoolObjectClosure* is_alive_closure() { return (BoolObjectClosure*)&MarkSweep::is_alive; } debug_only(public:) // Used for PSParallelCompact debugging // Mark live objects static void mark_sweep_phase1(bool clear_all_softrefs); // Calculate new addresses static void mark_sweep_phase2(); debug_only(private:) // End used for PSParallelCompact debugging // Update pointers static void mark_sweep_phase3(); // Move objects to new positions static void mark_sweep_phase4(); debug_only(public:) // Used for PSParallelCompact debugging // Temporary data structures for traversal and storing/restoring marks static void allocate_stacks(); static void deallocate_stacks(); static void set_ref_processor(ReferenceProcessor* rp) { // delete this method _ref_processor = rp; } debug_only(private:) // End used for PSParallelCompact debugging // If objects are left in eden after a collection, try to move the boundary // and absorb them into the old gen. Returns true if eden was emptied. static bool absorb_live_data_from_eden(PSAdaptiveSizePolicy* size_policy, PSYoungGen* young_gen, PSOldGen* old_gen); // Reset time since last full gc static void reset_millis_since_last_gc(); public: static void invoke(bool clear_all_softrefs); static void invoke_no_policy(bool clear_all_softrefs); static void initialize(); // Public accessors static elapsedTimer* accumulated_time() { return &_accumulated_time; } static unsigned int total_invocations() { return _total_invocations; } static CollectorCounters* counters() { return _counters; } // Time since last full gc (in milliseconds) static jlong millis_since_last_gc(); };