11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 #include "precompiled.hpp"
25 #include "aot/aotLoader.hpp"
26 #include "code/codeBlob.hpp"
27 #include "code/codeCache.hpp"
28 #include "code/codeHeapState.hpp"
29 #include "code/compiledIC.hpp"
30 #include "code/dependencies.hpp"
31 #include "code/icBuffer.hpp"
32 #include "code/nmethod.hpp"
33 #include "code/pcDesc.hpp"
34 #include "compiler/compileBroker.hpp"
35 #include "jfr/jfrEvents.hpp"
36 #include "logging/log.hpp"
37 #include "logging/logStream.hpp"
38 #include "memory/allocation.inline.hpp"
39 #include "memory/iterator.hpp"
40 #include "memory/resourceArea.hpp"
41 #include "oops/method.inline.hpp"
42 #include "oops/objArrayOop.hpp"
43 #include "oops/oop.inline.hpp"
44 #include "oops/verifyOopClosure.hpp"
45 #include "runtime/arguments.hpp"
46 #include "runtime/compilationPolicy.hpp"
47 #include "runtime/deoptimization.hpp"
48 #include "runtime/handles.inline.hpp"
49 #include "runtime/icache.hpp"
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11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 #include "precompiled.hpp"
25 #include "aot/aotLoader.hpp"
26 #include "code/codeBlob.hpp"
27 #include "code/codeCache.hpp"
28 #include "code/codeHeapState.hpp"
29 #include "code/compiledIC.hpp"
30 #include "code/dependencies.hpp"
31 #include "code/dependencyContext.hpp"
32 #include "code/icBuffer.hpp"
33 #include "code/nmethod.hpp"
34 #include "code/pcDesc.hpp"
35 #include "compiler/compileBroker.hpp"
36 #include "jfr/jfrEvents.hpp"
37 #include "logging/log.hpp"
38 #include "logging/logStream.hpp"
39 #include "memory/allocation.inline.hpp"
40 #include "memory/iterator.hpp"
41 #include "memory/resourceArea.hpp"
42 #include "oops/method.inline.hpp"
43 #include "oops/objArrayOop.hpp"
44 #include "oops/oop.inline.hpp"
45 #include "oops/verifyOopClosure.hpp"
46 #include "runtime/arguments.hpp"
47 #include "runtime/compilationPolicy.hpp"
48 #include "runtime/deoptimization.hpp"
49 #include "runtime/handles.inline.hpp"
50 #include "runtime/icache.hpp"
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920 delete curr;
921 curr = next;
922 }
923 _exception_cache_purge_list = NULL;
924 }
925
926 void CodeCache::gc_prologue() { }
927
928 void CodeCache::gc_epilogue() {
929 prune_scavenge_root_nmethods();
930 }
931
932 uint8_t CodeCache::_unloading_cycle = 1;
933
934 void CodeCache::increment_unloading_cycle() {
935 if (_unloading_cycle == 1) {
936 _unloading_cycle = 2;
937 } else {
938 _unloading_cycle = 1;
939 }
940 }
941
942 void CodeCache::verify_oops() {
943 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
944 VerifyOopClosure voc;
945 NMethodIterator iter;
946 while(iter.next_alive()) {
947 nmethod* nm = iter.method();
948 nm->oops_do(&voc);
949 nm->verify_oop_relocations();
950 }
951 }
952
953 int CodeCache::blob_count(int code_blob_type) {
954 CodeHeap* heap = get_code_heap(code_blob_type);
955 return (heap != NULL) ? heap->blob_count() : 0;
956 }
957
958 int CodeCache::blob_count() {
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921 delete curr;
922 curr = next;
923 }
924 _exception_cache_purge_list = NULL;
925 }
926
927 void CodeCache::gc_prologue() { }
928
929 void CodeCache::gc_epilogue() {
930 prune_scavenge_root_nmethods();
931 }
932
933 uint8_t CodeCache::_unloading_cycle = 1;
934
935 void CodeCache::increment_unloading_cycle() {
936 if (_unloading_cycle == 1) {
937 _unloading_cycle = 2;
938 } else {
939 _unloading_cycle = 1;
940 }
941 }
942
943 CodeCache::UnloadingScope::UnloadingScope(BoolObjectClosure* is_alive)
944 : _is_unloading_behaviour(is_alive)
945 {
946 IsUnloadingBehaviour::set_current(&_is_unloading_behaviour);
947 increment_unloading_cycle();
948 DependencyContext::gc_prologue();
949 }
950
951 CodeCache::UnloadingScope::~UnloadingScope() {
952 IsUnloadingBehaviour::set_current(NULL);
953 DependencyContext::gc_epilogue();
954 }
955
956 void CodeCache::verify_oops() {
957 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
958 VerifyOopClosure voc;
959 NMethodIterator iter;
960 while(iter.next_alive()) {
961 nmethod* nm = iter.method();
962 nm->oops_do(&voc);
963 nm->verify_oop_relocations();
964 }
965 }
966
967 int CodeCache::blob_count(int code_blob_type) {
968 CodeHeap* heap = get_code_heap(code_blob_type);
969 return (heap != NULL) ? heap->blob_count() : 0;
970 }
971
972 int CodeCache::blob_count() {
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