1 /*
2 * Copyright (c) 2020, Red Hat, Inc. 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 */
23
24 /*
25 * @test
26 * @summary Test for Runtime.fieldSizeOf with 32-bit compressed oops
27 * @library /test/lib
28 *
29 * @build sun.hotspot.WhiteBox
30 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
31 *
32 * @run main/othervm -Xmx128m
33 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
34 * -Xint
35 * FieldSizeOf
36 *
37 * @run main/othervm -Xmx128m
38 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
39 * -XX:TieredStopAtLevel=1
40 * FieldSizeOf
41 *
42 * @run main/othervm -Xmx128m
43 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
44 * -XX:TieredStopAtLevel=2
45 * FieldSizeOf
46 *
47 * @run main/othervm -Xmx128m
48 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
49 * -XX:TieredStopAtLevel=3
50 * FieldSizeOf
51 *
52 * @run main/othervm -Xmx128m
53 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
54 * -XX:TieredStopAtLevel=4
55 * FieldSizeOf
56 *
57 * @run main/othervm -Xmx128m
58 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
59 * -XX:-TieredCompilation
60 * FieldSizeOf
61 */
62
63 /*
64 * @test
65 * @summary Test for Runtime.fieldSizeOf with zero-based compressed oops
66 * @library /test/lib
67 * @requires vm.bits == 64
68 *
69 * @build sun.hotspot.WhiteBox
70 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
71 *
72 * @run main/othervm -Xmx4g
73 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
74 * -Xint
75 * FieldSizeOf
76 *
77 * @run main/othervm -Xmx4g
78 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
79 * -XX:TieredStopAtLevel=1
80 * FieldSizeOf
81 *
82 * @run main/othervm -Xmx4g
83 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
84 * -XX:TieredStopAtLevel=2
85 * FieldSizeOf
86 *
87 * @run main/othervm -Xmx4g
88 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
89 * -XX:TieredStopAtLevel=3
90 * FieldSizeOf
91 *
92 * @run main/othervm -Xmx4g
93 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
94 * -XX:TieredStopAtLevel=4
95 * FieldSizeOf
96 *
97 * @run main/othervm -Xmx4g
98 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
99 * -XX:-TieredCompilation
100 * FieldSizeOf
101 */
102
103 /*
104 * @test
105 * @summary Test for Runtime.fieldSizeOf without compressed oops
106 * @library /test/lib
107 * @requires vm.bits == 64
108 *
109 * @build sun.hotspot.WhiteBox
110 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
111 *
112 * @run main/othervm -Xmx128m -XX:-UseCompressedOops
113 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
114 * -Xint
115 * FieldSizeOf
116 *
117 * @run main/othervm -Xmx128m -XX:-UseCompressedOops
118 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
119 * -XX:TieredStopAtLevel=1
120 * FieldSizeOf
121 *
122 * @run main/othervm -Xmx128m -XX:-UseCompressedOops
123 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
124 * -XX:TieredStopAtLevel=2
125 * FieldSizeOf
126 *
127 * @run main/othervm -Xmx128m -XX:-UseCompressedOops
128 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
129 * -XX:TieredStopAtLevel=3
130 * FieldSizeOf
131 *
132 * @run main/othervm -Xmx128m -XX:-UseCompressedOops
133 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
134 * -XX:TieredStopAtLevel=4
135 * FieldSizeOf
136 *
137 * @run main/othervm -Xmx128m -XX:-UseCompressedOops
138 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni -XX:+WhiteBoxAPI -Xbootclasspath/a:.
139 * -XX:-TieredCompilation
140 * FieldSizeOf
141 */
142
143 import java.lang.reflect.Field;
144 import sun.hotspot.WhiteBox;
145
146 public class FieldSizeOf {
147
148 static final Boolean compressedOops = WhiteBox.getWhiteBox().getBooleanVMFlag("UseCompressedOops");
149 static final int R = ((compressedOops == null) || (compressedOops == true)) ? 4 : 8;
150
151 public static void main(String ... args) throws Exception {
152 testInstanceOffsets();
153 testStaticOffsets();
154 testNulls();
155 }
156
157 private static void testInstanceOffsets() throws Exception {
158 testWith(1, Holder.class.getDeclaredField("f_boolean"));
159 testWith(1, Holder.class.getDeclaredField("f_byte"));
160 testWith(2, Holder.class.getDeclaredField("f_char"));
161 testWith(2, Holder.class.getDeclaredField("f_short"));
162 testWith(4, Holder.class.getDeclaredField("f_int"));
163 testWith(4, Holder.class.getDeclaredField("f_float"));
164 testWith(8, Holder.class.getDeclaredField("f_long"));
165 testWith(8, Holder.class.getDeclaredField("f_double"));
166 testWith(R, Holder.class.getDeclaredField("f_object"));
167 testWith(R, Holder.class.getDeclaredField("f_array"));
168 }
169
170 private static void testStaticOffsets() throws Exception {
171 testWith(1, Holder.class.getDeclaredField("s_boolean"));
172 testWith(1, Holder.class.getDeclaredField("s_byte"));
173 testWith(2, Holder.class.getDeclaredField("s_char"));
174 testWith(2, Holder.class.getDeclaredField("s_short"));
175 testWith(4, Holder.class.getDeclaredField("s_int"));
176 testWith(4, Holder.class.getDeclaredField("s_float"));
177 testWith(8, Holder.class.getDeclaredField("s_long"));
178 testWith(8, Holder.class.getDeclaredField("s_double"));
179 testWith(R, Holder.class.getDeclaredField("s_object"));
180 testWith(R, Holder.class.getDeclaredField("s_array"));
181 }
182
183 private static void testWith(int expected, Field f) {
184 for (int c = 0; c < RuntimeOfUtil.ITERS; c++) {
185 RuntimeOfUtil.assertEquals(expected, Runtime.fieldSizeOf(f));
186 }
187 }
188
189 private static void testNulls() {
190 for (int c = 0; c < RuntimeOfUtil.ITERS; c++) {
191 try {
192 Runtime.fieldSizeOf(null);
193 RuntimeOfUtil.assertFail();
194 } catch (NullPointerException e) {
195 // expected
196 }
197 }
198 }
199
200 public static class Holder {
201 static boolean s_boolean;
202 static byte s_byte;
203 static char s_char;
204 static short s_short;
205 static int s_int;
206 static float s_float;
207 static double s_double;
208 static long s_long;
209 static Object s_object;
210 static Object[] s_array;
211 boolean f_boolean;
212 byte f_byte;
213 char f_char;
214 short f_short;
215 int f_int;
216 float f_float;
217 double f_double;
218 long f_long;
219 Object f_object;
220 Object[] f_array;
221 }
222
223 }