203 ClassUnloading,
204 &follow_root_closure,
205 &follow_root_closure,
206 &follow_cld_closure);
207 }
208
209 // Process reference objects found during marking
210 {
211 GCTraceTime(Debug, gc, phases) tm_m("Reference Processing", gc_timer());
212
213 ref_processor()->setup_policy(clear_all_softrefs);
214 const ReferenceProcessorStats& stats =
215 ref_processor()->process_discovered_references(
216 &is_alive, &keep_alive, &follow_stack_closure, NULL, _gc_timer);
217 gc_tracer()->report_gc_reference_stats(stats);
218 }
219
220 // This is the point where the entire marking should have completed.
221 assert(_marking_stack.is_empty(), "Marking should have completed");
222
223 {
224 GCTraceTime(Debug, gc, phases) tm_m("Class Unloading", gc_timer());
225
226 // Unload classes and purge the SystemDictionary.
227 bool purged_class = SystemDictionary::do_unloading(&is_alive);
228
229 // Unload nmethods.
230 CodeCache::do_unloading(&is_alive, purged_class);
231
232 // Prune dead klasses from subklass/sibling/implementor lists.
233 Klass::clean_weak_klass_links(&is_alive);
234 }
235
236 {
237 GCTraceTime(Debug, gc, phases) t("Scrub String Table", gc_timer());
238 // Delete entries for dead interned strings.
239 StringTable::unlink(&is_alive);
240 }
241
242 {
243 GCTraceTime(Debug, gc, phases) t("Scrub Symbol Table", gc_timer());
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203 ClassUnloading,
204 &follow_root_closure,
205 &follow_root_closure,
206 &follow_cld_closure);
207 }
208
209 // Process reference objects found during marking
210 {
211 GCTraceTime(Debug, gc, phases) tm_m("Reference Processing", gc_timer());
212
213 ref_processor()->setup_policy(clear_all_softrefs);
214 const ReferenceProcessorStats& stats =
215 ref_processor()->process_discovered_references(
216 &is_alive, &keep_alive, &follow_stack_closure, NULL, _gc_timer);
217 gc_tracer()->report_gc_reference_stats(stats);
218 }
219
220 // This is the point where the entire marking should have completed.
221 assert(_marking_stack.is_empty(), "Marking should have completed");
222
223 if (ClassUnloading) {
224 GCTraceTime(Debug, gc, phases) tm_m("Class Unloading", gc_timer());
225
226 // Unload classes and purge the SystemDictionary.
227 bool purged_class = SystemDictionary::do_unloading(&is_alive);
228
229 // Unload nmethods.
230 CodeCache::do_unloading(&is_alive, purged_class);
231
232 // Prune dead klasses from subklass/sibling/implementor lists.
233 Klass::clean_weak_klass_links(&is_alive);
234 }
235
236 {
237 GCTraceTime(Debug, gc, phases) t("Scrub String Table", gc_timer());
238 // Delete entries for dead interned strings.
239 StringTable::unlink(&is_alive);
240 }
241
242 {
243 GCTraceTime(Debug, gc, phases) t("Scrub Symbol Table", gc_timer());
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