1487 // Iterate over all the modules loaded to the system.
1488 ClassLoaderDataGraph::modules_do(&do_module);
1489
1490 jint len = _tbl->length();
1491 guarantee(len > 0, "at least one module must be present");
1492
1493 jobject* array = (jobject*)env->jvmtiMalloc((jlong)(len * sizeof(jobject)));
1494 if (array == NULL) {
1495 return JVMTI_ERROR_OUT_OF_MEMORY;
1496 }
1497 for (jint idx = 0; idx < len; idx++) {
1498 array[idx] = JNIHandles::make_local(Thread::current(), _tbl->at(idx).resolve());
1499 }
1500 _tbl = NULL;
1501 *modules_ptr = array;
1502 *module_count_ptr = len;
1503 return JVMTI_ERROR_NONE;
1504 }
1505
1506 void
1507 VM_UpdateForPopTopFrame::doit() {
1508 JavaThread* jt = _state->get_thread();
1509 ThreadsListHandle tlh;
1510 if (jt != NULL && tlh.includes(jt) && !jt->is_exiting() && jt->threadObj() != NULL) {
1511 _state->update_for_pop_top_frame();
1512 } else {
1513 _result = JVMTI_ERROR_THREAD_NOT_ALIVE;
1514 }
1515 }
1516
1517 void
1518 VM_SetFramePop::doit() {
1519 JavaThread* jt = _state->get_thread();
1520 ThreadsListHandle tlh;
1521 if (jt != NULL && tlh.includes(jt) && !jt->is_exiting() && jt->threadObj() != NULL) {
1522 int frame_number = _state->count_frames() - _depth;
1523 _state->env_thread_state((JvmtiEnvBase*)_env)->set_frame_pop(frame_number);
1524 } else {
1525 _result = JVMTI_ERROR_THREAD_NOT_ALIVE;
1526 }
1527 }
1528
1529 void
1530 GetOwnedMonitorInfoClosure::do_thread(Thread *target) {
1531 assert(target->is_Java_thread(), "just checking");
1532 JavaThread *jt = (JavaThread *)target;
1533 if (!jt->is_exiting() && (jt->threadObj() != NULL)) {
1534 _result = ((JvmtiEnvBase *)_env)->get_owned_monitors(_calling_thread,
1535 jt,
1536 _owned_monitors_list);
1537 }
1538 }
1539
1540 void
1541 GetCurrentContendedMonitorClosure::do_thread(Thread *target) {
1542 assert(target->is_Java_thread(), "just checking");
1543 JavaThread *jt = (JavaThread *)target;
1544 if (!jt->is_exiting() && (jt->threadObj() != NULL)) {
1545 _result = ((JvmtiEnvBase *)_env)->get_current_contended_monitor(_calling_thread,
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1487 // Iterate over all the modules loaded to the system.
1488 ClassLoaderDataGraph::modules_do(&do_module);
1489
1490 jint len = _tbl->length();
1491 guarantee(len > 0, "at least one module must be present");
1492
1493 jobject* array = (jobject*)env->jvmtiMalloc((jlong)(len * sizeof(jobject)));
1494 if (array == NULL) {
1495 return JVMTI_ERROR_OUT_OF_MEMORY;
1496 }
1497 for (jint idx = 0; idx < len; idx++) {
1498 array[idx] = JNIHandles::make_local(Thread::current(), _tbl->at(idx).resolve());
1499 }
1500 _tbl = NULL;
1501 *modules_ptr = array;
1502 *module_count_ptr = len;
1503 return JVMTI_ERROR_NONE;
1504 }
1505
1506 void
1507 UpdateForPopTopFrameClosure::do_thread(Thread *target) {
1508 JavaThread* jt = _state->get_thread();
1509 assert(jt == target, "just checking");
1510 if (!jt->is_exiting() && jt->threadObj() != NULL) {
1511 _state->update_for_pop_top_frame();
1512 _result = JVMTI_ERROR_NONE;
1513 }
1514 }
1515
1516 void
1517 SetFramePopClosure::do_thread(Thread *target) {
1518 JavaThread* jt = _state->get_thread();
1519 assert(jt == target, "just checking");
1520 if (!jt->is_exiting() && jt->threadObj() != NULL) {
1521 int frame_number = _state->count_frames() - _depth;
1522 _state->env_thread_state((JvmtiEnvBase*)_env)->set_frame_pop(frame_number);
1523 _result = JVMTI_ERROR_NONE;
1524 }
1525 }
1526
1527 void
1528 GetOwnedMonitorInfoClosure::do_thread(Thread *target) {
1529 assert(target->is_Java_thread(), "just checking");
1530 JavaThread *jt = (JavaThread *)target;
1531 if (!jt->is_exiting() && (jt->threadObj() != NULL)) {
1532 _result = ((JvmtiEnvBase *)_env)->get_owned_monitors(_calling_thread,
1533 jt,
1534 _owned_monitors_list);
1535 }
1536 }
1537
1538 void
1539 GetCurrentContendedMonitorClosure::do_thread(Thread *target) {
1540 assert(target->is_Java_thread(), "just checking");
1541 JavaThread *jt = (JavaThread *)target;
1542 if (!jt->is_exiting() && (jt->threadObj() != NULL)) {
1543 _result = ((JvmtiEnvBase *)_env)->get_current_contended_monitor(_calling_thread,
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