203 assert(Heap_lock->is_locked(), "Precondition#2");
204 GCCauseSetter gcs(this, cause);
205 switch (cause) {
206 case GCCause::_heap_inspection:
207 case GCCause::_heap_dump:
208 case GCCause::_metadata_GC_threshold : {
209 HandleMark hm;
210 do_full_collection(false); // don't clear all soft refs
211 break;
212 }
213 case GCCause::_last_ditch_collection: {
214 HandleMark hm;
215 do_full_collection(true); // do clear all soft refs
216 break;
217 }
218 default:
219 ShouldNotReachHere(); // Unexpected use of this function
220 }
221 }
222
223 void CollectedHeap::pre_initialize() {
224 // Used for ReduceInitialCardMarks (when COMPILER2 is used);
225 // otherwise remains unused.
226 #ifdef COMPILER2
227 _defer_initial_card_mark = ReduceInitialCardMarks && can_elide_tlab_store_barriers()
228 && (DeferInitialCardMark || card_mark_must_follow_store());
229 #else
230 assert(_defer_initial_card_mark == false, "Who would set it?");
231 #endif
232 }
233
234 #ifndef PRODUCT
235 void CollectedHeap::check_for_bad_heap_word_value(HeapWord* addr, size_t size) {
236 if (CheckMemoryInitialization && ZapUnusedHeapArea) {
237 for (size_t slot = 0; slot < size; slot += 1) {
238 assert((*(intptr_t*) (addr + slot)) != ((intptr_t) badHeapWordVal),
239 "Found badHeapWordValue in post-allocation check");
240 }
241 }
242 }
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203 assert(Heap_lock->is_locked(), "Precondition#2");
204 GCCauseSetter gcs(this, cause);
205 switch (cause) {
206 case GCCause::_heap_inspection:
207 case GCCause::_heap_dump:
208 case GCCause::_metadata_GC_threshold : {
209 HandleMark hm;
210 do_full_collection(false); // don't clear all soft refs
211 break;
212 }
213 case GCCause::_last_ditch_collection: {
214 HandleMark hm;
215 do_full_collection(true); // do clear all soft refs
216 break;
217 }
218 default:
219 ShouldNotReachHere(); // Unexpected use of this function
220 }
221 }
222
223 void CollectedHeap::set_barrier_set(BarrierSet* barrier_set) {
224 _barrier_set = barrier_set;
225 oopDesc::set_bs(_barrier_set);
226 }
227
228 void CollectedHeap::pre_initialize() {
229 // Used for ReduceInitialCardMarks (when COMPILER2 is used);
230 // otherwise remains unused.
231 #ifdef COMPILER2
232 _defer_initial_card_mark = ReduceInitialCardMarks && can_elide_tlab_store_barriers()
233 && (DeferInitialCardMark || card_mark_must_follow_store());
234 #else
235 assert(_defer_initial_card_mark == false, "Who would set it?");
236 #endif
237 }
238
239 #ifndef PRODUCT
240 void CollectedHeap::check_for_bad_heap_word_value(HeapWord* addr, size_t size) {
241 if (CheckMemoryInitialization && ZapUnusedHeapArea) {
242 for (size_t slot = 0; slot < size; slot += 1) {
243 assert((*(intptr_t*) (addr + slot)) != ((intptr_t) badHeapWordVal),
244 "Found badHeapWordValue in post-allocation check");
245 }
246 }
247 }
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