11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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 #include "precompiled.hpp"
26 #include "gc/g1/g1CollectedHeap.hpp"
27 #include "gc/g1/g1FullGCMarker.inline.hpp"
28 #include "gc/g1/g1FullGCOopClosures.inline.hpp"
29 #include "gc/g1/g1_specialized_oop_closures.hpp"
30 #include "logging/logStream.hpp"
31
32 void G1MarkAndPushClosure::do_oop(oop* p) {
33 do_oop_nv(p);
34 }
35
36 void G1MarkAndPushClosure::do_oop(narrowOop* p) {
37 do_oop_nv(p);
38 }
39
40 bool G1MarkAndPushClosure::do_metadata() {
41 return do_metadata_nv();
42 }
43
44 void G1MarkAndPushClosure::do_klass(Klass* k) {
45 do_klass_nv(k);
46 }
47
48 void G1MarkAndPushClosure::do_cld(ClassLoaderData* cld) {
49 do_cld_nv(cld);
50 }
82
83 G1VerifyOopClosure::G1VerifyOopClosure(VerifyOption option) :
84 _g1h(G1CollectedHeap::heap()),
85 _containing_obj(NULL),
86 _verify_option(option),
87 _cc(0),
88 _failures(false) {
89 }
90
91 void G1VerifyOopClosure::print_object(outputStream* out, oop obj) {
92 #ifdef PRODUCT
93 Klass* k = obj->klass();
94 const char* class_name = InstanceKlass::cast(k)->external_name();
95 out->print_cr("class name %s", class_name);
96 #else // PRODUCT
97 obj->print_on(out);
98 #endif // PRODUCT
99 }
100
101 template <class T> void G1VerifyOopClosure::do_oop_nv(T* p) {
102 T heap_oop = oopDesc::load_heap_oop(p);
103 if (!oopDesc::is_null(heap_oop)) {
104 _cc++;
105 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
106 bool failed = false;
107 if (!_g1h->is_in_closed_subset(obj) || _g1h->is_obj_dead_cond(obj, _verify_option)) {
108 MutexLockerEx x(ParGCRareEvent_lock,
109 Mutex::_no_safepoint_check_flag);
110 LogStreamHandle(Error, gc, verify) yy;
111 if (!_failures) {
112 yy.cr();
113 yy.print_cr("----------");
114 }
115 if (!_g1h->is_in_closed_subset(obj)) {
116 HeapRegion* from = _g1h->heap_region_containing((HeapWord*)p);
117 yy.print_cr("Field " PTR_FORMAT
118 " of live obj " PTR_FORMAT " in region "
119 "[" PTR_FORMAT ", " PTR_FORMAT ")",
120 p2i(p), p2i(_containing_obj),
121 p2i(from->bottom()), p2i(from->end()));
122 print_object(&yy, _containing_obj);
123 yy.print_cr("points to obj " PTR_FORMAT " not in the heap",
124 p2i(obj));
125 } else {
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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 #include "precompiled.hpp"
26 #include "gc/g1/g1CollectedHeap.hpp"
27 #include "gc/g1/g1FullGCMarker.inline.hpp"
28 #include "gc/g1/g1FullGCOopClosures.inline.hpp"
29 #include "gc/g1/g1_specialized_oop_closures.hpp"
30 #include "logging/logStream.hpp"
31 #include "oops/access.inline.hpp"
32 #include "oops/compressedOops.inline.hpp"
33
34 void G1MarkAndPushClosure::do_oop(oop* p) {
35 do_oop_nv(p);
36 }
37
38 void G1MarkAndPushClosure::do_oop(narrowOop* p) {
39 do_oop_nv(p);
40 }
41
42 bool G1MarkAndPushClosure::do_metadata() {
43 return do_metadata_nv();
44 }
45
46 void G1MarkAndPushClosure::do_klass(Klass* k) {
47 do_klass_nv(k);
48 }
49
50 void G1MarkAndPushClosure::do_cld(ClassLoaderData* cld) {
51 do_cld_nv(cld);
52 }
84
85 G1VerifyOopClosure::G1VerifyOopClosure(VerifyOption option) :
86 _g1h(G1CollectedHeap::heap()),
87 _containing_obj(NULL),
88 _verify_option(option),
89 _cc(0),
90 _failures(false) {
91 }
92
93 void G1VerifyOopClosure::print_object(outputStream* out, oop obj) {
94 #ifdef PRODUCT
95 Klass* k = obj->klass();
96 const char* class_name = InstanceKlass::cast(k)->external_name();
97 out->print_cr("class name %s", class_name);
98 #else // PRODUCT
99 obj->print_on(out);
100 #endif // PRODUCT
101 }
102
103 template <class T> void G1VerifyOopClosure::do_oop_nv(T* p) {
104 T heap_oop = RawAccess<>::oop_load(p);
105 if (!CompressedOops::is_null(heap_oop)) {
106 _cc++;
107 oop obj = CompressedOops::decode_not_null(heap_oop);
108 bool failed = false;
109 if (!_g1h->is_in_closed_subset(obj) || _g1h->is_obj_dead_cond(obj, _verify_option)) {
110 MutexLockerEx x(ParGCRareEvent_lock,
111 Mutex::_no_safepoint_check_flag);
112 LogStreamHandle(Error, gc, verify) yy;
113 if (!_failures) {
114 yy.cr();
115 yy.print_cr("----------");
116 }
117 if (!_g1h->is_in_closed_subset(obj)) {
118 HeapRegion* from = _g1h->heap_region_containing((HeapWord*)p);
119 yy.print_cr("Field " PTR_FORMAT
120 " of live obj " PTR_FORMAT " in region "
121 "[" PTR_FORMAT ", " PTR_FORMAT ")",
122 p2i(p), p2i(_containing_obj),
123 p2i(from->bottom()), p2i(from->end()));
124 print_object(&yy, _containing_obj);
125 yy.print_cr("points to obj " PTR_FORMAT " not in the heap",
126 p2i(obj));
127 } else {
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