123
124 private:
125 void do_klass_barrier() {
126 assert(_scanned_klass != NULL, "Should not be called without having a scanned klass");
127 _scanned_klass->record_modified_oops();
128 }
129
130 };
131
132 // Scavenges the oop in a Klass.
133 class PSScavengeKlassClosure: public KlassClosure {
134 private:
135 PSScavengeFromKlassClosure _oop_closure;
136 protected:
137 public:
138 PSScavengeKlassClosure(PSPromotionManager* pm) : _oop_closure(pm) { }
139 void do_klass(Klass* klass) {
140 // If the klass has not been dirtied we know that there's
141 // no references into the young gen and we can skip it.
142
143 NOT_PRODUCT(ResourceMark rm);
144 log_develop_trace(gc, scavenge)("PSScavengeKlassClosure::do_klass " PTR_FORMAT ", %s, dirty: %s",
145 p2i(klass),
146 klass->external_name(),
147 klass->has_modified_oops() ? "true" : "false");
148
149 if (klass->has_modified_oops()) {
150 // Clean the klass since we're going to scavenge all the metadata.
151 klass->clear_modified_oops();
152
153 // Setup the promotion manager to redirty this klass
154 // if references are left in the young gen.
155 _oop_closure.set_scanned_klass(klass);
156
157 klass->oops_do(&_oop_closure);
158
159 _oop_closure.set_scanned_klass(NULL);
160 }
161 }
162 };
163
164 #endif // SHARE_VM_GC_PARALLEL_PSSCAVENGE_INLINE_HPP
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123
124 private:
125 void do_klass_barrier() {
126 assert(_scanned_klass != NULL, "Should not be called without having a scanned klass");
127 _scanned_klass->record_modified_oops();
128 }
129
130 };
131
132 // Scavenges the oop in a Klass.
133 class PSScavengeKlassClosure: public KlassClosure {
134 private:
135 PSScavengeFromKlassClosure _oop_closure;
136 protected:
137 public:
138 PSScavengeKlassClosure(PSPromotionManager* pm) : _oop_closure(pm) { }
139 void do_klass(Klass* klass) {
140 // If the klass has not been dirtied we know that there's
141 // no references into the young gen and we can skip it.
142
143 if (klass->has_modified_oops()) {
144 // Clean the klass since we're going to scavenge all the metadata.
145 klass->clear_modified_oops();
146
147 // Setup the promotion manager to redirty this klass
148 // if references are left in the young gen.
149 _oop_closure.set_scanned_klass(klass);
150
151 klass->oops_do(&_oop_closure);
152
153 _oop_closure.set_scanned_klass(NULL);
154 }
155 }
156 };
157
158 #endif // SHARE_VM_GC_PARALLEL_PSSCAVENGE_INLINE_HPP
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