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/*
* 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");
}
}
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