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 "classfile/stringTable.hpp"
27 #include "code/codeCache.hpp"
28 #include "memory/oopFactory.hpp"
29 #include "memory/resourceArea.hpp"
30 #include "oops/typeArrayOop.inline.hpp"
31 #include "runtime/jniHandles.inline.hpp"
32 #include "runtime/javaCalls.hpp"
33 #include "jvmci/jniAccessMark.inline.hpp"
34 #include "jvmci/jvmciRuntime.hpp"
35
36 JVMCICompileState::JVMCICompileState(CompileTask* task, int system_dictionary_modification_counter):
37 _task(task),
38 _system_dictionary_modification_counter(system_dictionary_modification_counter),
39 _retryable(true),
40 _failure_reason(NULL),
41 _failure_reason_on_C_heap(false) {
42 // Get Jvmti capabilities under lock to get consistent values.
43 MutexLocker mu(JvmtiThreadState_lock);
44 _jvmti_can_hotswap_or_post_breakpoint = JvmtiExport::can_hotswap_or_post_breakpoint() ? 1 : 0;
45 _jvmti_can_access_local_variables = JvmtiExport::can_access_local_variables() ? 1 : 0;
46 _jvmti_can_post_on_exceptions = JvmtiExport::can_post_on_exceptions() ? 1 : 0;
47 _jvmti_can_pop_frame = JvmtiExport::can_pop_frame() ? 1 : 0;
48 }
49
50 bool JVMCICompileState::jvmti_state_changed() const {
1436 jlong nativeMethod = get_InstalledCode_address(mirror);
1437 nmethod* nm = JVMCIENV->asNmethod(mirror);
1438 if (nm == NULL) {
1439 // Nothing to do
1440 return;
1441 }
1442
1443 Thread* THREAD = Thread::current();
1444 if (!mirror.is_hotspot() && !THREAD->is_Java_thread()) {
1445 // Calling back into native might cause the execution to block, so only allow this when calling
1446 // from a JavaThread, which is the normal case anyway.
1447 JVMCI_THROW_MSG(IllegalArgumentException,
1448 "Cannot invalidate HotSpotNmethod object in shared library VM heap from non-JavaThread");
1449 }
1450
1451 nmethodLocker nml(nm);
1452 if (nm->is_alive()) {
1453 // Invalidating the HotSpotNmethod means we want the nmethod
1454 // to be deoptimized.
1455 nm->mark_for_deoptimization();
1456 VM_Deoptimize op;
1457 VMThread::execute(&op);
1458 }
1459
1460 // A HotSpotNmethod instance can only reference a single nmethod
1461 // during its lifetime so simply clear it here.
1462 set_InstalledCode_address(mirror, 0);
1463 }
1464
1465 Klass* JVMCIEnv::asKlass(JVMCIObject obj) {
1466 return (Klass*) get_HotSpotResolvedObjectTypeImpl_metadataPointer(obj);
1467 }
1468
1469 Method* JVMCIEnv::asMethod(JVMCIObject obj) {
1470 Method** metadataHandle = (Method**) get_HotSpotResolvedJavaMethodImpl_metadataHandle(obj);
1471 return *metadataHandle;
1472 }
1473
1474 ConstantPool* JVMCIEnv::asConstantPool(JVMCIObject obj) {
1475 ConstantPool** metadataHandle = (ConstantPool**) get_HotSpotConstantPool_metadataHandle(obj);
1476 return *metadataHandle;
1477 }
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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 "classfile/stringTable.hpp"
27 #include "code/codeCache.hpp"
28 #include "memory/oopFactory.hpp"
29 #include "memory/resourceArea.hpp"
30 #include "oops/typeArrayOop.inline.hpp"
31 #include "runtime/deoptimization.hpp"
32 #include "runtime/jniHandles.inline.hpp"
33 #include "runtime/javaCalls.hpp"
34 #include "jvmci/jniAccessMark.inline.hpp"
35 #include "jvmci/jvmciRuntime.hpp"
36
37 JVMCICompileState::JVMCICompileState(CompileTask* task, int system_dictionary_modification_counter):
38 _task(task),
39 _system_dictionary_modification_counter(system_dictionary_modification_counter),
40 _retryable(true),
41 _failure_reason(NULL),
42 _failure_reason_on_C_heap(false) {
43 // Get Jvmti capabilities under lock to get consistent values.
44 MutexLocker mu(JvmtiThreadState_lock);
45 _jvmti_can_hotswap_or_post_breakpoint = JvmtiExport::can_hotswap_or_post_breakpoint() ? 1 : 0;
46 _jvmti_can_access_local_variables = JvmtiExport::can_access_local_variables() ? 1 : 0;
47 _jvmti_can_post_on_exceptions = JvmtiExport::can_post_on_exceptions() ? 1 : 0;
48 _jvmti_can_pop_frame = JvmtiExport::can_pop_frame() ? 1 : 0;
49 }
50
51 bool JVMCICompileState::jvmti_state_changed() const {
1437 jlong nativeMethod = get_InstalledCode_address(mirror);
1438 nmethod* nm = JVMCIENV->asNmethod(mirror);
1439 if (nm == NULL) {
1440 // Nothing to do
1441 return;
1442 }
1443
1444 Thread* THREAD = Thread::current();
1445 if (!mirror.is_hotspot() && !THREAD->is_Java_thread()) {
1446 // Calling back into native might cause the execution to block, so only allow this when calling
1447 // from a JavaThread, which is the normal case anyway.
1448 JVMCI_THROW_MSG(IllegalArgumentException,
1449 "Cannot invalidate HotSpotNmethod object in shared library VM heap from non-JavaThread");
1450 }
1451
1452 nmethodLocker nml(nm);
1453 if (nm->is_alive()) {
1454 // Invalidating the HotSpotNmethod means we want the nmethod
1455 // to be deoptimized.
1456 nm->mark_for_deoptimization();
1457 Deoptimization::deoptimize_all_marked();
1458 }
1459
1460 // A HotSpotNmethod instance can only reference a single nmethod
1461 // during its lifetime so simply clear it here.
1462 set_InstalledCode_address(mirror, 0);
1463 }
1464
1465 Klass* JVMCIEnv::asKlass(JVMCIObject obj) {
1466 return (Klass*) get_HotSpotResolvedObjectTypeImpl_metadataPointer(obj);
1467 }
1468
1469 Method* JVMCIEnv::asMethod(JVMCIObject obj) {
1470 Method** metadataHandle = (Method**) get_HotSpotResolvedJavaMethodImpl_metadataHandle(obj);
1471 return *metadataHandle;
1472 }
1473
1474 ConstantPool* JVMCIEnv::asConstantPool(JVMCIObject obj) {
1475 ConstantPool** metadataHandle = (ConstantPool**) get_HotSpotConstantPool_metadataHandle(obj);
1476 return *metadataHandle;
1477 }
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