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