273 }
274
275 bool is_in_closed_subset_or_null(const void* p) const {
276 return p == NULL || is_in_closed_subset(p);
277 }
278
279 // An object is scavengable if its location may move during a scavenge.
280 // (A scavenge is a GC which is not a full GC.)
281 virtual bool is_scavengable(const void *p) = 0;
282
283 void set_gc_cause(GCCause::Cause v) {
284 if (UsePerfData) {
285 _gc_lastcause = _gc_cause;
286 _perf_gc_lastcause->set_value(GCCause::to_string(_gc_lastcause));
287 _perf_gc_cause->set_value(GCCause::to_string(v));
288 }
289 _gc_cause = v;
290 }
291 GCCause::Cause gc_cause() { return _gc_cause; }
292
293 // May be overridden to set additional parallelism.
294 virtual void set_par_threads(uint t) { (void)t; };
295
296 // General obj/array allocation facilities.
297 inline static oop obj_allocate(KlassHandle klass, int size, TRAPS);
298 inline static oop array_allocate(KlassHandle klass, int size, int length, TRAPS);
299 inline static oop array_allocate_nozero(KlassHandle klass, int size, int length, TRAPS);
300
301 inline static void post_allocation_install_obj_klass(KlassHandle klass,
302 oop obj);
303
304 // Raw memory allocation facilities
305 // The obj and array allocate methods are covers for these methods.
306 // mem_allocate() should never be
307 // called to allocate TLABs, only individual objects.
308 virtual HeapWord* mem_allocate(size_t size,
309 bool* gc_overhead_limit_was_exceeded) = 0;
310
311 // Utilities for turning raw memory into filler objects.
312 //
313 // min_fill_size() is the smallest region that can be filled.
314 // fill_with_objects() can fill arbitrary-sized regions of the heap using
315 // multiple objects. fill_with_object() is for regions known to be smaller
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273 }
274
275 bool is_in_closed_subset_or_null(const void* p) const {
276 return p == NULL || is_in_closed_subset(p);
277 }
278
279 // An object is scavengable if its location may move during a scavenge.
280 // (A scavenge is a GC which is not a full GC.)
281 virtual bool is_scavengable(const void *p) = 0;
282
283 void set_gc_cause(GCCause::Cause v) {
284 if (UsePerfData) {
285 _gc_lastcause = _gc_cause;
286 _perf_gc_lastcause->set_value(GCCause::to_string(_gc_lastcause));
287 _perf_gc_cause->set_value(GCCause::to_string(v));
288 }
289 _gc_cause = v;
290 }
291 GCCause::Cause gc_cause() { return _gc_cause; }
292
293 // General obj/array allocation facilities.
294 inline static oop obj_allocate(KlassHandle klass, int size, TRAPS);
295 inline static oop array_allocate(KlassHandle klass, int size, int length, TRAPS);
296 inline static oop array_allocate_nozero(KlassHandle klass, int size, int length, TRAPS);
297
298 inline static void post_allocation_install_obj_klass(KlassHandle klass,
299 oop obj);
300
301 // Raw memory allocation facilities
302 // The obj and array allocate methods are covers for these methods.
303 // mem_allocate() should never be
304 // called to allocate TLABs, only individual objects.
305 virtual HeapWord* mem_allocate(size_t size,
306 bool* gc_overhead_limit_was_exceeded) = 0;
307
308 // Utilities for turning raw memory into filler objects.
309 //
310 // min_fill_size() is the smallest region that can be filled.
311 // fill_with_objects() can fill arbitrary-sized regions of the heap using
312 // multiple objects. fill_with_object() is for regions known to be smaller
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