12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_GC_PARALLEL_PSPARALLELCOMPACT_INLINE_HPP
26 #define SHARE_VM_GC_PARALLEL_PSPARALLELCOMPACT_INLINE_HPP
27
28 #include "gc/parallel/parallelScavengeHeap.hpp"
29 #include "gc/parallel/parMarkBitMap.inline.hpp"
30 #include "gc/parallel/psParallelCompact.hpp"
31 #include "gc/shared/collectedHeap.hpp"
32 #include "oops/klass.hpp"
33 #include "oops/oop.inline.hpp"
34
35 inline bool PSParallelCompact::is_marked(oop obj) {
36 return mark_bitmap()->is_marked(obj);
37 }
38
39 inline double PSParallelCompact::normal_distribution(double density) {
40 assert(_dwl_initialized, "uninitialized");
41 const double squared_term = (density - _dwl_mean) / _dwl_std_dev;
42 return _dwl_first_term * exp(-0.5 * squared_term * squared_term);
43 }
44
45 inline bool PSParallelCompact::dead_space_crosses_boundary(const RegionData* region,
46 idx_t bit) {
47 assert(bit > 0, "cannot call this for the first bit/region");
48 assert(_summary_data.region_to_addr(region) == _mark_bitmap.bit_to_addr(bit),
49 "sanity check");
50
51 // Dead space crosses the boundary if (1) a partial object does not extend
88 inline void PSParallelCompact::check_new_location(HeapWord* old_addr, HeapWord* new_addr) {
89 assert(old_addr >= new_addr || space_id(old_addr) != space_id(new_addr),
90 "must move left or to a different space");
91 assert(is_object_aligned(old_addr) && is_object_aligned(new_addr),
92 "checking alignment");
93 }
94 #endif // ASSERT
95
96 inline bool PSParallelCompact::mark_obj(oop obj) {
97 const int obj_size = obj->size();
98 if (mark_bitmap()->mark_obj(obj, obj_size)) {
99 _summary_data.add_obj(obj, obj_size);
100 return true;
101 } else {
102 return false;
103 }
104 }
105
106 template <class T>
107 inline void PSParallelCompact::adjust_pointer(T* p, ParCompactionManager* cm) {
108 T heap_oop = oopDesc::load_heap_oop(p);
109 if (!oopDesc::is_null(heap_oop)) {
110 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
111 assert(ParallelScavengeHeap::heap()->is_in(obj), "should be in heap");
112
113 oop new_obj = (oop)summary_data().calc_new_pointer(obj, cm);
114 assert(new_obj != NULL, // is forwarding ptr?
115 "should be forwarded");
116 // Just always do the update unconditionally?
117 if (new_obj != NULL) {
118 assert(ParallelScavengeHeap::heap()->is_in_reserved(new_obj),
119 "should be in object space");
120 oopDesc::encode_store_heap_oop_not_null(p, new_obj);
121 }
122 }
123 }
124
125 template <typename T>
126 void PSParallelCompact::AdjustPointerClosure::do_oop_nv(T* p) {
127 adjust_pointer(p, _cm);
128 }
129
130 inline void PSParallelCompact::AdjustPointerClosure::do_oop(oop* p) { do_oop_nv(p); }
131 inline void PSParallelCompact::AdjustPointerClosure::do_oop(narrowOop* p) { do_oop_nv(p); }
132
133 #endif // SHARE_VM_GC_PARALLEL_PSPARALLELCOMPACT_INLINE_HPP
|
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_GC_PARALLEL_PSPARALLELCOMPACT_INLINE_HPP
26 #define SHARE_VM_GC_PARALLEL_PSPARALLELCOMPACT_INLINE_HPP
27
28 #include "gc/parallel/parallelScavengeHeap.hpp"
29 #include "gc/parallel/parMarkBitMap.inline.hpp"
30 #include "gc/parallel/psParallelCompact.hpp"
31 #include "gc/shared/collectedHeap.hpp"
32 #include "oops/access.inline.hpp"
33 #include "oops/compressedOops.inline.hpp"
34 #include "oops/klass.hpp"
35 #include "oops/oop.inline.hpp"
36
37 inline bool PSParallelCompact::is_marked(oop obj) {
38 return mark_bitmap()->is_marked(obj);
39 }
40
41 inline double PSParallelCompact::normal_distribution(double density) {
42 assert(_dwl_initialized, "uninitialized");
43 const double squared_term = (density - _dwl_mean) / _dwl_std_dev;
44 return _dwl_first_term * exp(-0.5 * squared_term * squared_term);
45 }
46
47 inline bool PSParallelCompact::dead_space_crosses_boundary(const RegionData* region,
48 idx_t bit) {
49 assert(bit > 0, "cannot call this for the first bit/region");
50 assert(_summary_data.region_to_addr(region) == _mark_bitmap.bit_to_addr(bit),
51 "sanity check");
52
53 // Dead space crosses the boundary if (1) a partial object does not extend
90 inline void PSParallelCompact::check_new_location(HeapWord* old_addr, HeapWord* new_addr) {
91 assert(old_addr >= new_addr || space_id(old_addr) != space_id(new_addr),
92 "must move left or to a different space");
93 assert(is_object_aligned(old_addr) && is_object_aligned(new_addr),
94 "checking alignment");
95 }
96 #endif // ASSERT
97
98 inline bool PSParallelCompact::mark_obj(oop obj) {
99 const int obj_size = obj->size();
100 if (mark_bitmap()->mark_obj(obj, obj_size)) {
101 _summary_data.add_obj(obj, obj_size);
102 return true;
103 } else {
104 return false;
105 }
106 }
107
108 template <class T>
109 inline void PSParallelCompact::adjust_pointer(T* p, ParCompactionManager* cm) {
110 T heap_oop = RawAccess<>::oop_load(p);
111 if (!CompressedOops::is_null(heap_oop)) {
112 oop obj = CompressedOops::decode_not_null(heap_oop);
113 assert(ParallelScavengeHeap::heap()->is_in(obj), "should be in heap");
114
115 oop new_obj = (oop)summary_data().calc_new_pointer(obj, cm);
116 assert(new_obj != NULL, // is forwarding ptr?
117 "should be forwarded");
118 // Just always do the update unconditionally?
119 if (new_obj != NULL) {
120 assert(ParallelScavengeHeap::heap()->is_in_reserved(new_obj),
121 "should be in object space");
122 RawAccess<OOP_NOT_NULL>::oop_store(p, new_obj);
123 }
124 }
125 }
126
127 template <typename T>
128 void PSParallelCompact::AdjustPointerClosure::do_oop_nv(T* p) {
129 adjust_pointer(p, _cm);
130 }
131
132 inline void PSParallelCompact::AdjustPointerClosure::do_oop(oop* p) { do_oop_nv(p); }
133 inline void PSParallelCompact::AdjustPointerClosure::do_oop(narrowOop* p) { do_oop_nv(p); }
134
135 #endif // SHARE_VM_GC_PARALLEL_PSPARALLELCOMPACT_INLINE_HPP
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