3716 if (JvmtiExport::should_post_vm_object_alloc()) {
3717 JvmtiExport::post_vm_object_alloc(JavaThread::current(), result);
3718 }
3719 return res;
3720 JVM_END
3721
3722 // Atomic ///////////////////////////////////////////////////////////////////////////////////////////
3723
3724 JVM_LEAF(jboolean, JVM_SupportsCX8())
3725 JVMWrapper("JVM_SupportsCX8");
3726 return VM_Version::supports_cx8();
3727 JVM_END
3728
3729 JVM_ENTRY(void, JVM_InitializeFromArchive(JNIEnv* env, jclass cls))
3730 JVMWrapper("JVM_InitializeFromArchive");
3731 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve(cls));
3732 assert(k->is_klass(), "just checking");
3733 HeapShared::initialize_from_archived_subgraph(k);
3734 JVM_END
3735
3736 // Returns an array of all live Thread objects (VM internal JavaThreads,
3737 // jvmti agent threads, and JNI attaching threads are skipped)
3738 // See CR 6404306 regarding JNI attaching threads
3739 JVM_ENTRY(jobjectArray, JVM_GetAllThreads(JNIEnv *env, jclass dummy))
3740 ResourceMark rm(THREAD);
3741 ThreadsListEnumerator tle(THREAD, false, false);
3742 JvmtiVMObjectAllocEventCollector oam;
3743
3744 int num_threads = tle.num_threads();
3745 objArrayOop r = oopFactory::new_objArray(SystemDictionary::Thread_klass(), num_threads, CHECK_NULL);
3746 objArrayHandle threads_ah(THREAD, r);
3747
3748 for (int i = 0; i < num_threads; i++) {
3749 Handle h = tle.get_threadObj(i);
3750 threads_ah->obj_at_put(i, h());
3751 }
3752
3753 return (jobjectArray) JNIHandles::make_local(env, threads_ah());
3754 JVM_END
3755
|
3716 if (JvmtiExport::should_post_vm_object_alloc()) {
3717 JvmtiExport::post_vm_object_alloc(JavaThread::current(), result);
3718 }
3719 return res;
3720 JVM_END
3721
3722 // Atomic ///////////////////////////////////////////////////////////////////////////////////////////
3723
3724 JVM_LEAF(jboolean, JVM_SupportsCX8())
3725 JVMWrapper("JVM_SupportsCX8");
3726 return VM_Version::supports_cx8();
3727 JVM_END
3728
3729 JVM_ENTRY(void, JVM_InitializeFromArchive(JNIEnv* env, jclass cls))
3730 JVMWrapper("JVM_InitializeFromArchive");
3731 Klass* k = java_lang_Class::as_Klass(JNIHandles::resolve(cls));
3732 assert(k->is_klass(), "just checking");
3733 HeapShared::initialize_from_archived_subgraph(k);
3734 JVM_END
3735
3736 JVM_ENTRY_NO_ENV(jlong, JVM_GetRandomSeedForCDSDump())
3737 JVMWrapper("JVM_GetRandomSeedForCDSDump");
3738 if (DumpSharedSpaces) {
3739 const char* release = Abstract_VM_Version::vm_release();
3740 const char* dbg_level = Abstract_VM_Version::jdk_debug_level();
3741 const char* version = VM_Version::internal_vm_info_string();
3742 jlong seed = (jlong)(java_lang_String::hash_code((const jbyte*)release, (int)strlen(release)) ^
3743 java_lang_String::hash_code((const jbyte*)dbg_level, (int)strlen(dbg_level)) ^
3744 java_lang_String::hash_code((const jbyte*)version, (int)strlen(version)));
3745 seed += (jlong)Abstract_VM_Version::vm_major_version();
3746 seed += (jlong)Abstract_VM_Version::vm_minor_version();
3747 seed += (jlong)Abstract_VM_Version::vm_security_version();
3748 seed += (jlong)Abstract_VM_Version::vm_patch_version();
3749 if (seed == 0) { // don't let this ever be zero.
3750 seed = 0x87654321;
3751 }
3752 log_debug(cds)("JVM_GetRandomSeedForCDSDump() = " JLONG_FORMAT, seed);
3753 return seed;
3754 } else {
3755 return 0;
3756 }
3757 JVM_END
3758
3759 // Returns an array of all live Thread objects (VM internal JavaThreads,
3760 // jvmti agent threads, and JNI attaching threads are skipped)
3761 // See CR 6404306 regarding JNI attaching threads
3762 JVM_ENTRY(jobjectArray, JVM_GetAllThreads(JNIEnv *env, jclass dummy))
3763 ResourceMark rm(THREAD);
3764 ThreadsListEnumerator tle(THREAD, false, false);
3765 JvmtiVMObjectAllocEventCollector oam;
3766
3767 int num_threads = tle.num_threads();
3768 objArrayOop r = oopFactory::new_objArray(SystemDictionary::Thread_klass(), num_threads, CHECK_NULL);
3769 objArrayHandle threads_ah(THREAD, r);
3770
3771 for (int i = 0; i < num_threads; i++) {
3772 Handle h = tle.get_threadObj(i);
3773 threads_ah->obj_at_put(i, h());
3774 }
3775
3776 return (jobjectArray) JNIHandles::make_local(env, threads_ah());
3777 JVM_END
3778
|