90 inline void G1FullGCMarker::follow_array(objArrayOop array) {
 91   mark_closure()->do_klass(array->klass());
 92   // Don't push empty arrays to avoid unnecessary work.
 93   if (array->length() > 0) {
 94     push_objarray(array, 0);
 95   }
 96 }
 97 
 98 void G1FullGCMarker::follow_array_chunk(objArrayOop array, int index) {
 99   const int len = array->length();
100   const int beg_index = index;
101   assert(beg_index < len || len == 0, "index too large");
102 
103   const int stride = MIN2(len - beg_index, (int) ObjArrayMarkingStride);
104   const int end_index = beg_index + stride;
105 
106   // Push the continuation first to allow more efficient work stealing.
107   if (end_index < len) {
108     push_objarray(array, end_index);
109   }
110 
111   array->oop_iterate_range(mark_closure(), beg_index, end_index);
112 }
113 
114 inline void G1FullGCMarker::follow_object(oop obj) {
115   assert(_bitmap->is_marked(obj), "should be marked");
116   if (obj->is_objArray()) {
117     // Handle object arrays explicitly to allow them to
118     // be split into chunks if needed.
119     follow_array((objArrayOop)obj);
120   } else {
121     obj->oop_iterate(mark_closure());
122   }
123 }
124 
125 inline void G1FullGCMarker::publish_and_drain_oop_tasks() {
126   oop obj;
127   while (_oop_stack.pop_overflow(obj)) {
128     if (!_oop_stack.try_push_to_taskqueue(obj)) {
129       assert(_bitmap->is_marked(obj), "must be marked");
130       follow_object(obj);
131     }
132   }
133   while (_oop_stack.pop_local(obj)) {
134     assert(_bitmap->is_marked(obj), "must be marked");
135     follow_object(obj);
136   }

 90 inline void G1FullGCMarker::follow_array(objArrayOop array) {
 91   mark_closure()->do_klass(array->klass());
 92   // Don't push empty arrays to avoid unnecessary work.
 93   if (array->length() > 0) {
 94     push_objarray(array, 0);
 95   }
 96 }
 97 
 98 void G1FullGCMarker::follow_array_chunk(objArrayOop array, int index) {
 99   const int len = array->length();
100   const int beg_index = index;
101   assert(beg_index < len || len == 0, "index too large");
102 
103   const int stride = MIN2(len - beg_index, (int) ObjArrayMarkingStride);
104   const int end_index = beg_index + stride;
105 
106   // Push the continuation first to allow more efficient work stealing.
107   if (end_index < len) {
108     push_objarray(array, end_index);
109   }
110   assert(array->is_refArray(), "Must be");
111   refArrayOop(array)->oop_iterate_range(mark_closure(), beg_index, end_index);
112 }
113 
114 inline void G1FullGCMarker::follow_object(oop obj) {
115   assert(_bitmap->is_marked(obj), "should be marked");
116   if (obj->is_refArray()) {
117     // Handle object arrays explicitly to allow them to
118     // be split into chunks if needed.
119     follow_array((objArrayOop)obj);
120   } else {
121     obj->oop_iterate(mark_closure());
122   }
123 }
124 
125 inline void G1FullGCMarker::publish_and_drain_oop_tasks() {
126   oop obj;
127   while (_oop_stack.pop_overflow(obj)) {
128     if (!_oop_stack.try_push_to_taskqueue(obj)) {
129       assert(_bitmap->is_marked(obj), "must be marked");
130       follow_object(obj);
131     }
132   }
133   while (_oop_stack.pop_local(obj)) {
134     assert(_bitmap->is_marked(obj), "must be marked");
135     follow_object(obj);
136   }