1071 return true;
1072 }
1073
1074 void GenCollectedHeap::save_marks() {
1075 for (int i = 0; i < _n_gens; i++) {
1076 _gens[i]->save_marks();
1077 }
1078 }
1079
1080 GenCollectedHeap* GenCollectedHeap::heap() {
1081 assert(_gch != NULL, "Uninitialized access to GenCollectedHeap::heap()");
1082 assert(_gch->kind() == CollectedHeap::GenCollectedHeap, "not a generational heap");
1083 return _gch;
1084 }
1085
1086
1087 void GenCollectedHeap::prepare_for_compaction() {
1088 guarantee(_n_gens = 2, "Wrong number of generations");
1089 Generation* old_gen = _gens[1];
1090 // Start by compacting into same gen.
1091 CompactPoint cp(old_gen, NULL, NULL);
1092 old_gen->prepare_for_compaction(&cp);
1093 Generation* young_gen = _gens[0];
1094 young_gen->prepare_for_compaction(&cp);
1095 }
1096
1097 GCStats* GenCollectedHeap::gc_stats(int level) const {
1098 return _gens[level]->gc_stats();
1099 }
1100
1101 void GenCollectedHeap::verify(bool silent, VerifyOption option /* ignored */) {
1102 for (int i = _n_gens-1; i >= 0; i--) {
1103 Generation* g = _gens[i];
1104 if (!silent) {
1105 gclog_or_tty->print("%s", g->name());
1106 gclog_or_tty->print(" ");
1107 }
1108 g->verify();
1109 }
1110 if (!silent) {
1111 gclog_or_tty->print("remset ");
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1071 return true;
1072 }
1073
1074 void GenCollectedHeap::save_marks() {
1075 for (int i = 0; i < _n_gens; i++) {
1076 _gens[i]->save_marks();
1077 }
1078 }
1079
1080 GenCollectedHeap* GenCollectedHeap::heap() {
1081 assert(_gch != NULL, "Uninitialized access to GenCollectedHeap::heap()");
1082 assert(_gch->kind() == CollectedHeap::GenCollectedHeap, "not a generational heap");
1083 return _gch;
1084 }
1085
1086
1087 void GenCollectedHeap::prepare_for_compaction() {
1088 guarantee(_n_gens = 2, "Wrong number of generations");
1089 Generation* old_gen = _gens[1];
1090 // Start by compacting into same gen.
1091 CompactPoint cp(old_gen);
1092 old_gen->prepare_for_compaction(&cp);
1093 Generation* young_gen = _gens[0];
1094 young_gen->prepare_for_compaction(&cp);
1095 }
1096
1097 GCStats* GenCollectedHeap::gc_stats(int level) const {
1098 return _gens[level]->gc_stats();
1099 }
1100
1101 void GenCollectedHeap::verify(bool silent, VerifyOption option /* ignored */) {
1102 for (int i = _n_gens-1; i >= 0; i--) {
1103 Generation* g = _gens[i];
1104 if (!silent) {
1105 gclog_or_tty->print("%s", g->name());
1106 gclog_or_tty->print(" ");
1107 }
1108 g->verify();
1109 }
1110 if (!silent) {
1111 gclog_or_tty->print("remset ");
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