1 /*
2 * Copyright (c) 2012, 2023, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
102 // Make sure class name is in the correct format
103 public int countAliveClasses(String name) {
104 return countAliveClasses0(name.replace('.', '/'));
105 }
106 private native int countAliveClasses0(String name);
107
108 public boolean isClassAlive(String name) {
109 return countAliveClasses(name) != 0;
110 }
111
112 public native int getSymbolRefcount(String name);
113
114 public native boolean deflateIdleMonitors();
115
116 private native boolean isMonitorInflated0(Object obj);
117 public boolean isMonitorInflated(Object obj) {
118 Objects.requireNonNull(obj);
119 return isMonitorInflated0(obj);
120 }
121
122 public native void forceSafepoint();
123
124 private native long getConstantPool0(Class<?> aClass);
125 public long getConstantPool(Class<?> aClass) {
126 Objects.requireNonNull(aClass);
127 return getConstantPool0(aClass);
128 }
129
130 private native int getConstantPoolCacheIndexTag0();
131 public int getConstantPoolCacheIndexTag() {
132 return getConstantPoolCacheIndexTag0();
133 }
134
135 private native int getConstantPoolCacheLength0(Class<?> aClass);
136 public int getConstantPoolCacheLength(Class<?> aClass) {
137 Objects.requireNonNull(aClass);
138 return getConstantPoolCacheLength0(aClass);
139 }
140
141 private native int remapInstructionOperandFromCPCache0(Class<?> aClass, int index);
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1 /*
2 * Copyright (c) 2012, 2024, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
102 // Make sure class name is in the correct format
103 public int countAliveClasses(String name) {
104 return countAliveClasses0(name.replace('.', '/'));
105 }
106 private native int countAliveClasses0(String name);
107
108 public boolean isClassAlive(String name) {
109 return countAliveClasses(name) != 0;
110 }
111
112 public native int getSymbolRefcount(String name);
113
114 public native boolean deflateIdleMonitors();
115
116 private native boolean isMonitorInflated0(Object obj);
117 public boolean isMonitorInflated(Object obj) {
118 Objects.requireNonNull(obj);
119 return isMonitorInflated0(obj);
120 }
121
122 public native int getLockStackCapacity();
123
124 public native boolean supportsRecursiveLightweightLocking();
125
126 public native void forceSafepoint();
127
128 private native long getConstantPool0(Class<?> aClass);
129 public long getConstantPool(Class<?> aClass) {
130 Objects.requireNonNull(aClass);
131 return getConstantPool0(aClass);
132 }
133
134 private native int getConstantPoolCacheIndexTag0();
135 public int getConstantPoolCacheIndexTag() {
136 return getConstantPoolCacheIndexTag0();
137 }
138
139 private native int getConstantPoolCacheLength0(Class<?> aClass);
140 public int getConstantPoolCacheLength(Class<?> aClass) {
141 Objects.requireNonNull(aClass);
142 return getConstantPoolCacheLength0(aClass);
143 }
144
145 private native int remapInstructionOperandFromCPCache0(Class<?> aClass, int index);
|