g1MarkSweep.hpp revision 1879
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0N/A
0N/A#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1MARKSWEEP_HPP
0N/A#define SHARE_VM_GC_IMPLEMENTATION_G1_G1MARKSWEEP_HPP
0N/A
0N/A#include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
0N/A#include "gc_implementation/g1/heapRegion.hpp"
288N/A#include "memory/genMarkSweep.hpp"
0N/A#include "memory/generation.hpp"
0N/A#include "memory/universe.hpp"
0N/A#include "oops/markOop.hpp"
0N/A#include "oops/oop.hpp"
0N/A#include "runtime/timer.hpp"
0N/A#include "utilities/growableArray.hpp"
0N/A
0N/Aclass ReferenceProcessor;
0N/A
0N/A// G1MarkSweep takes care of global mark-compact garbage collection for a
0N/A// G1CollectedHeap using a four-phase pointer forwarding algorithm. All
0N/A// generations are assumed to support marking; those that can also support
0N/A// compaction.
0N/A//
0N/A// Class unloading will only occur when a full gc is invoked.
0N/A
0N/A
0N/Aclass G1MarkSweep : AllStatic {
0N/A friend class VM_G1MarkSweep;
friend class Scavenge;
public:
static void invoke_at_safepoint(ReferenceProcessor* rp,
bool clear_all_softrefs);
private:
// Mark live objects
static void mark_sweep_phase1(bool& marked_for_deopt,
bool clear_all_softrefs);
// Calculate new addresses
static void mark_sweep_phase2();
// Update pointers
static void mark_sweep_phase3();
// Move objects to new positions
static void mark_sweep_phase4();
static void allocate_stacks();
};
#endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1MARKSWEEP_HPP