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 "classfile/symbolTable.hpp"
28 #include "code/codeCache.hpp"
29 #include "memory/oopFactory.hpp"
30 #include "memory/resourceArea.hpp"
31 #include "memory/universe.hpp"
32 #include "oops/objArrayKlass.hpp"
33 #include "oops/typeArrayOop.inline.hpp"
34 #include "runtime/jniHandles.inline.hpp"
35 #include "runtime/javaCalls.hpp"
36 #include "jvmci/jniAccessMark.inline.hpp"
37 #include "jvmci/jvmciRuntime.hpp"
38
39 JVMCICompileState::JVMCICompileState(CompileTask* task, int system_dictionary_modification_counter):
40 _task(task),
41 _system_dictionary_modification_counter(system_dictionary_modification_counter),
42 _retryable(true),
43 _failure_reason(NULL),
44 _failure_reason_on_C_heap(false) {
45 // Get Jvmti capabilities under lock to get consistent values.
46 MutexLocker mu(JvmtiThreadState_lock);
47 _jvmti_can_hotswap_or_post_breakpoint = JvmtiExport::can_hotswap_or_post_breakpoint() ? 1 : 0;
48 _jvmti_can_access_local_variables = JvmtiExport::can_access_local_variables() ? 1 : 0;
49 _jvmti_can_post_on_exceptions = JvmtiExport::can_post_on_exceptions() ? 1 : 0;
50 _jvmti_can_pop_frame = JvmtiExport::can_pop_frame() ? 1 : 0;
51 }
52
53 bool JVMCICompileState::jvmti_state_changed() const {
1479 jlong nativeMethod = get_InstalledCode_address(mirror);
1480 nmethod* nm = JVMCIENV->asNmethod(mirror);
1481 if (nm == NULL) {
1482 // Nothing to do
1483 return;
1484 }
1485
1486 Thread* THREAD = Thread::current();
1487 if (!mirror.is_hotspot() && !THREAD->is_Java_thread()) {
1488 // Calling back into native might cause the execution to block, so only allow this when calling
1489 // from a JavaThread, which is the normal case anyway.
1490 JVMCI_THROW_MSG(IllegalArgumentException,
1491 "Cannot invalidate HotSpotNmethod object in shared library VM heap from non-JavaThread");
1492 }
1493
1494 nmethodLocker nml(nm);
1495 if (nm->is_alive()) {
1496 // Invalidating the HotSpotNmethod means we want the nmethod
1497 // to be deoptimized.
1498 nm->mark_for_deoptimization();
1499 VM_Deoptimize op;
1500 VMThread::execute(&op);
1501 }
1502
1503 // A HotSpotNmethod instance can only reference a single nmethod
1504 // during its lifetime so simply clear it here.
1505 set_InstalledCode_address(mirror, 0);
1506 }
1507
1508 Klass* JVMCIEnv::asKlass(JVMCIObject obj) {
1509 return (Klass*) get_HotSpotResolvedObjectTypeImpl_metadataPointer(obj);
1510 }
1511
1512 Method* JVMCIEnv::asMethod(JVMCIObject obj) {
1513 Method** metadataHandle = (Method**) get_HotSpotResolvedJavaMethodImpl_metadataHandle(obj);
1514 return *metadataHandle;
1515 }
1516
1517 ConstantPool* JVMCIEnv::asConstantPool(JVMCIObject obj) {
1518 ConstantPool** metadataHandle = (ConstantPool**) get_HotSpotConstantPool_metadataHandle(obj);
1519 return *metadataHandle;
1520 }
|
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 "classfile/symbolTable.hpp"
28 #include "code/codeCache.hpp"
29 #include "memory/oopFactory.hpp"
30 #include "memory/resourceArea.hpp"
31 #include "memory/universe.hpp"
32 #include "oops/objArrayKlass.hpp"
33 #include "oops/typeArrayOop.inline.hpp"
34 #include "runtime/deoptimization.hpp"
35 #include "runtime/jniHandles.inline.hpp"
36 #include "runtime/javaCalls.hpp"
37 #include "jvmci/jniAccessMark.inline.hpp"
38 #include "jvmci/jvmciRuntime.hpp"
39
40 JVMCICompileState::JVMCICompileState(CompileTask* task, int system_dictionary_modification_counter):
41 _task(task),
42 _system_dictionary_modification_counter(system_dictionary_modification_counter),
43 _retryable(true),
44 _failure_reason(NULL),
45 _failure_reason_on_C_heap(false) {
46 // Get Jvmti capabilities under lock to get consistent values.
47 MutexLocker mu(JvmtiThreadState_lock);
48 _jvmti_can_hotswap_or_post_breakpoint = JvmtiExport::can_hotswap_or_post_breakpoint() ? 1 : 0;
49 _jvmti_can_access_local_variables = JvmtiExport::can_access_local_variables() ? 1 : 0;
50 _jvmti_can_post_on_exceptions = JvmtiExport::can_post_on_exceptions() ? 1 : 0;
51 _jvmti_can_pop_frame = JvmtiExport::can_pop_frame() ? 1 : 0;
52 }
53
54 bool JVMCICompileState::jvmti_state_changed() const {
1480 jlong nativeMethod = get_InstalledCode_address(mirror);
1481 nmethod* nm = JVMCIENV->asNmethod(mirror);
1482 if (nm == NULL) {
1483 // Nothing to do
1484 return;
1485 }
1486
1487 Thread* THREAD = Thread::current();
1488 if (!mirror.is_hotspot() && !THREAD->is_Java_thread()) {
1489 // Calling back into native might cause the execution to block, so only allow this when calling
1490 // from a JavaThread, which is the normal case anyway.
1491 JVMCI_THROW_MSG(IllegalArgumentException,
1492 "Cannot invalidate HotSpotNmethod object in shared library VM heap from non-JavaThread");
1493 }
1494
1495 nmethodLocker nml(nm);
1496 if (nm->is_alive()) {
1497 // Invalidating the HotSpotNmethod means we want the nmethod
1498 // to be deoptimized.
1499 nm->mark_for_deoptimization();
1500 Deoptimization::deoptimize_all_marked();
1501 }
1502
1503 // A HotSpotNmethod instance can only reference a single nmethod
1504 // during its lifetime so simply clear it here.
1505 set_InstalledCode_address(mirror, 0);
1506 }
1507
1508 Klass* JVMCIEnv::asKlass(JVMCIObject obj) {
1509 return (Klass*) get_HotSpotResolvedObjectTypeImpl_metadataPointer(obj);
1510 }
1511
1512 Method* JVMCIEnv::asMethod(JVMCIObject obj) {
1513 Method** metadataHandle = (Method**) get_HotSpotResolvedJavaMethodImpl_metadataHandle(obj);
1514 return *metadataHandle;
1515 }
1516
1517 ConstantPool* JVMCIEnv::asConstantPool(JVMCIObject obj) {
1518 ConstantPool** metadataHandle = (ConstantPool**) get_HotSpotConstantPool_metadataHandle(obj);
1519 return *metadataHandle;
1520 }
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