247 // Cast away const
248 ((Generation*)this)->space_iterate(&blk);
249 return blk.is_obj;
250 }
251
252 class GenerationOopIterateClosure : public SpaceClosure {
253 public:
254 OopIterateClosure* _cl;
255 virtual void do_space(Space* s) {
256 s->oop_iterate(_cl);
257 }
258 GenerationOopIterateClosure(OopIterateClosure* cl) :
259 _cl(cl) {}
260 };
261
262 void Generation::oop_iterate(OopIterateClosure* cl) {
263 GenerationOopIterateClosure blk(cl);
264 space_iterate(&blk);
265 }
266
267 void Generation::younger_refs_in_space_iterate(Space* sp,
268 OopsInGenClosure* cl,
269 uint n_threads) {
270 CardTableRS* rs = GenCollectedHeap::heap()->rem_set();
271 rs->younger_refs_in_space_iterate(sp, cl, n_threads);
272 }
273
274 class GenerationObjIterateClosure : public SpaceClosure {
275 private:
276 ObjectClosure* _cl;
277 public:
278 virtual void do_space(Space* s) {
279 s->object_iterate(_cl);
280 }
281 GenerationObjIterateClosure(ObjectClosure* cl) : _cl(cl) {}
282 };
283
284 void Generation::object_iterate(ObjectClosure* cl) {
285 GenerationObjIterateClosure blk(cl);
286 space_iterate(&blk);
287 }
288
289 #if INCLUDE_SERIALGC
290
291 void Generation::prepare_for_compaction(CompactPoint* cp) {
292 // Generic implementation, can be specialized
293 CompactibleSpace* space = first_compaction_space();
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247 // Cast away const
248 ((Generation*)this)->space_iterate(&blk);
249 return blk.is_obj;
250 }
251
252 class GenerationOopIterateClosure : public SpaceClosure {
253 public:
254 OopIterateClosure* _cl;
255 virtual void do_space(Space* s) {
256 s->oop_iterate(_cl);
257 }
258 GenerationOopIterateClosure(OopIterateClosure* cl) :
259 _cl(cl) {}
260 };
261
262 void Generation::oop_iterate(OopIterateClosure* cl) {
263 GenerationOopIterateClosure blk(cl);
264 space_iterate(&blk);
265 }
266
267 class GenerationObjIterateClosure : public SpaceClosure {
268 private:
269 ObjectClosure* _cl;
270 public:
271 virtual void do_space(Space* s) {
272 s->object_iterate(_cl);
273 }
274 GenerationObjIterateClosure(ObjectClosure* cl) : _cl(cl) {}
275 };
276
277 void Generation::object_iterate(ObjectClosure* cl) {
278 GenerationObjIterateClosure blk(cl);
279 space_iterate(&blk);
280 }
281
282 #if INCLUDE_SERIALGC
283
284 void Generation::prepare_for_compaction(CompactPoint* cp) {
285 // Generic implementation, can be specialized
286 CompactibleSpace* space = first_compaction_space();
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