| /* |
| * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package nsk.share.jvmti.unit; |
| |
| public class Heap { |
| |
| // --- Errors --- |
| |
| public static final int JVMTI_ERROR_NONE = 0; |
| |
| // --- Filter types --- |
| |
| public static final int JVMTI_HEAP_OBJECT_TAGGED = 1; |
| public static final int JVMTI_HEAP_OBJECT_UNTAGGED = 2; |
| public static final int JVMTI_HEAP_OBJECT_EITHER = 3; |
| |
| // --- Root types --- |
| |
| public static final int JVMTI_HEAP_ROOT_JNI_GLOBAL = 1; |
| public static final int JVMTI_HEAP_ROOT_SYSTEM_CLASS = 2; |
| public static final int JVMTI_HEAP_ROOT_MONITOR = 3; |
| public static final int JVMTI_HEAP_ROOT_STACK_LOCAL = 4; |
| public static final int JVMTI_HEAP_ROOT_JNI_LOCAL = 5; |
| public static final int JVMTI_HEAP_ROOT_THREAD = 6; |
| public static final int JVMTI_HEAP_ROOT_OTHER = 7; |
| |
| // --- Heap Functions --- |
| |
| public static int setTag(Object o, long tag) { |
| return setTag0(o, tag); |
| } |
| |
| public static long getTag(Object o) { |
| return getTag0(o); |
| } |
| |
| public static int iterateOverHeap(int filter_kind) { |
| return iterateOverHeap0(filter_kind); |
| } |
| |
| public static int iterateOverInstancesOfClass(Class c, int filter_kind) { |
| return iterateOverInstancesOfClass0(c, filter_kind); |
| } |
| |
| public static int iterateOverReachableObjects() { |
| return iterateOverReachableObjects0(); |
| } |
| |
| public static int iterateOverObjectsReachableFromObject(Object o) { |
| return iterateOverObjectsReachableFromObject0(o); |
| } |
| |
| public static native long getObjectSize(Object o); |
| |
| // --- GetObjectsWithTags --- |
| |
| public static native int getObjectsWithTags(int count, long array[]); |
| |
| public static native long[] tagResults(); |
| |
| public static native Object[] objectResults(); |
| |
| |
| // --- Functions used by basic iteration tests |
| |
| public static native void setTaggedObjectCountCallback(); |
| public static native void setTotalObjectCountCallback(); |
| |
| public static native void zeroObjectCount(); |
| public static native int getObjectCount(); |
| |
| public static native void setKlassTagTestCallback(); |
| |
| // --- Used by Heap Walking tests |
| |
| public static native Object newGlobalRef(Object o); |
| |
| public static native void setHeapRootCallback(); |
| public static native void setStackRefCallback(); |
| public static native void setObjectRefCallback(); |
| |
| // --- Functions used by object free tests |
| |
| public static native void setObjectFreeCallback(); |
| public static native void zeroObjectFreeCount(); |
| public static native int getObjectFreeCount(); |
| |
| // --- Native methods --- |
| |
| private static native int setTag0(Object o, long tag); |
| private static native long getTag0(Object o); |
| |
| private static native int iterateOverHeap0(int filter_kind); |
| private static native int iterateOverInstancesOfClass0(Class c, int filter_kind); |
| |
| private static native int iterateOverReachableObjects0(); |
| private static native int iterateOverObjectsReachableFromObject0(Object o); |
| |
| static { |
| System.loadLibrary("Heap"); |
| } |
| } |