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0N/A
1879N/A#ifndef SHARE_VM_RUNTIME_MONITORCHUNK_HPP
1879N/A#define SHARE_VM_RUNTIME_MONITORCHUNK_HPP
1879N/A
1879N/A#include "runtime/synchronizer.hpp"
1879N/A
0N/A// Data structure for holding monitors for one activation during
0N/A// deoptimization.
0N/A
3863N/Aclass MonitorChunk: public CHeapObj<mtInternal> {
0N/A private:
0N/A int _number_of_monitors;
0N/A BasicObjectLock* _monitors;
0N/A BasicObjectLock* monitors() const { return _monitors; }
0N/A MonitorChunk* _next;
0N/A public:
0N/A // Constructor
0N/A MonitorChunk(int number_on_monitors);
0N/A ~MonitorChunk();
0N/A
0N/A // link operations
0N/A MonitorChunk* next() const { return _next; }
0N/A void set_next(MonitorChunk* next) { _next = next; }
0N/A
0N/A // Tells whether the monitor chunk is linked into the JavaThread
0N/A bool is_linked() const { return next() != NULL; }
0N/A
0N/A // Returns the number of monitors
0N/A int number_of_monitors() const { return _number_of_monitors; }
0N/A
0N/A // Returns the index'th monitor
0N/A BasicObjectLock* at(int index) { assert(index >= 0 && index < number_of_monitors(), "out of bounds check"); return &monitors()[index]; }
0N/A
0N/A
0N/A // Memory management
0N/A void oops_do(OopClosure* f);
0N/A
0N/A // Tells whether the addr point into the monitors.
0N/A bool contains(void* addr) const { return (addr >= (void*) monitors()) && (addr < (void*) (monitors() + number_of_monitors())); }
0N/A};
1879N/A
1879N/A#endif // SHARE_VM_RUNTIME_MONITORCHUNK_HPP