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/shared/barrierSet.inline.hpp"
27 #include "gc/shared/cardTable.hpp"
28 #include "gc/shared/cardTableBarrierSet.inline.hpp"
29 #include "gc/shared/collectedHeap.hpp"
30 #include "memory/metaspaceShared.hpp"
31 #include "runtime/frame.inline.hpp"
32
33 void JavaThread::cache_global_variables() {
34 BarrierSet* bs = Universe::heap()->barrier_set();
35
36 const bool allow_shared_alloc =
37 Universe::heap()->supports_inline_contig_alloc();
38
39 if (allow_shared_alloc) {
40 _heap_top_addr = (address) Universe::heap()->top_addr();
41 } else {
42 _heap_top_addr = NULL;
43 }
44
45 if (bs->is_a(BarrierSet::CardTableBarrierSet)) {
46 _card_table_base = (address) (barrier_set_cast<CardTableBarrierSet>(bs)->card_table()->byte_map_base());
47 } else {
48 _card_table_base = NULL;
49 }
50
51 }
52
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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/shared/barrierSet.inline.hpp"
27 #include "gc/shared/cardTable.hpp"
28 #include "gc/shared/cardTableBarrierSet.inline.hpp"
29 #include "gc/shared/collectedHeap.hpp"
30 #include "memory/metaspaceShared.hpp"
31 #include "runtime/frame.inline.hpp"
32
33 frame JavaThread::pd_last_frame() {
34 assert(has_last_Java_frame(), "must have last_Java_sp() when suspended");
35 #ifdef AARCH64
36 assert (_anchor.last_Java_pc() != NULL, "pc should be stored");
37 return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp(), _anchor.last_Java_pc());
38 #else
39 if (_anchor.last_Java_pc() != NULL) {
40 return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp(), _anchor.last_Java_pc());
41 } else {
42 // This will pick up pc from sp
43 return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp());
44 }
45 #endif // AARCH64
46 }
47
48 void JavaThread::cache_global_variables() {
49 BarrierSet* bs = Universe::heap()->barrier_set();
50
51 const bool allow_shared_alloc =
52 Universe::heap()->supports_inline_contig_alloc();
53
54 if (allow_shared_alloc) {
55 _heap_top_addr = (address) Universe::heap()->top_addr();
56 } else {
57 _heap_top_addr = NULL;
58 }
59
60 if (bs->is_a(BarrierSet::CardTableBarrierSet)) {
61 _card_table_base = (address) (barrier_set_cast<CardTableBarrierSet>(bs)->card_table()->byte_map_base());
62 } else {
63 _card_table_base = NULL;
64 }
65
66 }
67
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