8143628: Fork sun.misc.Unsafe and jdk.internal.misc.Unsafe native method tables
Reviewed-by: shade, dholmes, alanb, chegar, mchung, roland
--- a/hotspot/src/share/vm/prims/nativeLookup.cpp Wed Dec 09 11:06:39 2015 +0100
+++ b/hotspot/src/share/vm/prims/nativeLookup.cpp Wed Dec 09 14:54:40 2015 +0100
@@ -107,7 +107,8 @@
}
extern "C" {
- void JNICALL JVM_RegisterUnsafeMethods(JNIEnv *env, jclass unsafecls);
+ void JNICALL JVM_RegisterJDKInternalMiscUnsafeMethods(JNIEnv *env, jclass unsafecls);
+ void JNICALL JVM_RegisterSunMiscUnsafeMethods(JNIEnv *env, jclass unsafecls);
void JNICALL JVM_RegisterMethodHandleMethods(JNIEnv *env, jclass unsafecls);
void JNICALL JVM_RegisterPerfMethods(JNIEnv *env, jclass perfclass);
void JNICALL JVM_RegisterWhiteBoxMethods(JNIEnv *env, jclass wbclass);
@@ -121,8 +122,8 @@
#define FN_PTR(f) CAST_FROM_FN_PTR(void*, &f)
static JNINativeMethod lookup_special_native_methods[] = {
- { CC"Java_jdk_internal_misc_Unsafe_registerNatives", NULL, FN_PTR(JVM_RegisterUnsafeMethods) },
- { CC"Java_sun_misc_Unsafe_registerNatives", NULL, FN_PTR(JVM_RegisterUnsafeMethods) },
+ { CC"Java_jdk_internal_misc_Unsafe_registerNatives", NULL, FN_PTR(JVM_RegisterJDKInternalMiscUnsafeMethods) },
+ { CC"Java_sun_misc_Unsafe_registerNatives", NULL, FN_PTR(JVM_RegisterSunMiscUnsafeMethods) },
{ CC"Java_java_lang_invoke_MethodHandleNatives_registerNatives", NULL, FN_PTR(JVM_RegisterMethodHandleMethods) },
{ CC"Java_sun_misc_Perf_registerNatives", NULL, FN_PTR(JVM_RegisterPerfMethods) },
{ CC"Java_sun_hotspot_WhiteBox_registerNatives", NULL, FN_PTR(JVM_RegisterWhiteBoxMethods) },
--- a/hotspot/src/share/vm/prims/unsafe.cpp Wed Dec 09 11:06:39 2015 +0100
+++ b/hotspot/src/share/vm/prims/unsafe.cpp Wed Dec 09 14:54:40 2015 +0100
@@ -1227,8 +1227,76 @@
{CC "put" #Byte, CC "(" ADR#B ")V", FN_PTR(Unsafe_SetNative##Byte)}
+static JNINativeMethod sun_misc_Unsafe_methods[] = {
+ {CC "getObject", CC "(" OBJ "J)" OBJ "", FN_PTR(Unsafe_GetObject)},
+ {CC "putObject", CC "(" OBJ "J" OBJ ")V", FN_PTR(Unsafe_SetObject)},
+ {CC "getObjectVolatile",CC "(" OBJ "J)" OBJ "", FN_PTR(Unsafe_GetObjectVolatile)},
+ {CC "putObjectVolatile",CC "(" OBJ "J" OBJ ")V", FN_PTR(Unsafe_SetObjectVolatile)},
-static JNINativeMethod methods[] = {
+ {CC "getUncompressedObject", CC "(" ADR ")" OBJ, FN_PTR(Unsafe_GetUncompressedObject)},
+ {CC "getJavaMirror", CC "(" ADR ")" CLS, FN_PTR(Unsafe_GetJavaMirror)},
+ {CC "getKlassPointer", CC "(" OBJ ")" ADR, FN_PTR(Unsafe_GetKlassPointer)},
+
+ DECLARE_GETPUTOOP(Boolean, Z),
+ DECLARE_GETPUTOOP(Byte, B),
+ DECLARE_GETPUTOOP(Short, S),
+ DECLARE_GETPUTOOP(Char, C),
+ DECLARE_GETPUTOOP(Int, I),
+ DECLARE_GETPUTOOP(Long, J),
+ DECLARE_GETPUTOOP(Float, F),
+ DECLARE_GETPUTOOP(Double, D),
+
+ DECLARE_GETPUTNATIVE(Byte, B),
+ DECLARE_GETPUTNATIVE(Short, S),
+ DECLARE_GETPUTNATIVE(Char, C),
+ DECLARE_GETPUTNATIVE(Int, I),
+ DECLARE_GETPUTNATIVE(Long, J),
+ DECLARE_GETPUTNATIVE(Float, F),
+ DECLARE_GETPUTNATIVE(Double, D),
+
+ {CC "getAddress", CC "(" ADR ")" ADR, FN_PTR(Unsafe_GetNativeAddress)},
+ {CC "putAddress", CC "(" ADR "" ADR ")V", FN_PTR(Unsafe_SetNativeAddress)},
+
+ {CC "allocateMemory", CC "(J)" ADR, FN_PTR(Unsafe_AllocateMemory)},
+ {CC "reallocateMemory", CC "(" ADR "J)" ADR, FN_PTR(Unsafe_ReallocateMemory)},
+ {CC "freeMemory", CC "(" ADR ")V", FN_PTR(Unsafe_FreeMemory)},
+
+ {CC "objectFieldOffset", CC "(" FLD ")J", FN_PTR(Unsafe_ObjectFieldOffset)},
+ {CC "staticFieldOffset", CC "(" FLD ")J", FN_PTR(Unsafe_StaticFieldOffset)},
+ {CC "staticFieldBase", CC "(" FLD ")" OBJ, FN_PTR(Unsafe_StaticFieldBaseFromField)},
+ {CC "ensureClassInitialized",CC "(" CLS ")V", FN_PTR(Unsafe_EnsureClassInitialized)},
+ {CC "arrayBaseOffset", CC "(" CLS ")I", FN_PTR(Unsafe_ArrayBaseOffset)},
+ {CC "arrayIndexScale", CC "(" CLS ")I", FN_PTR(Unsafe_ArrayIndexScale)},
+ {CC "addressSize", CC "()I", FN_PTR(Unsafe_AddressSize)},
+ {CC "pageSize", CC "()I", FN_PTR(Unsafe_PageSize)},
+
+ {CC "defineClass", CC "(" DC_Args ")" CLS, FN_PTR(Unsafe_DefineClass)},
+ {CC "allocateInstance", CC "(" CLS ")" OBJ, FN_PTR(Unsafe_AllocateInstance)},
+ {CC "throwException", CC "(" THR ")V", FN_PTR(Unsafe_ThrowException)},
+ {CC "compareAndSwapObject", CC "(" OBJ "J" OBJ "" OBJ ")Z", FN_PTR(Unsafe_CompareAndSwapObject)},
+ {CC "compareAndSwapInt", CC "(" OBJ "J""I""I"")Z", FN_PTR(Unsafe_CompareAndSwapInt)},
+ {CC "compareAndSwapLong", CC "(" OBJ "J""J""J"")Z", FN_PTR(Unsafe_CompareAndSwapLong)},
+ {CC "putOrderedObject", CC "(" OBJ "J" OBJ ")V", FN_PTR(Unsafe_SetOrderedObject)},
+ {CC "putOrderedInt", CC "(" OBJ "JI)V", FN_PTR(Unsafe_SetOrderedInt)},
+ {CC "putOrderedLong", CC "(" OBJ "JJ)V", FN_PTR(Unsafe_SetOrderedLong)},
+ {CC "park", CC "(ZJ)V", FN_PTR(Unsafe_Park)},
+ {CC "unpark", CC "(" OBJ ")V", FN_PTR(Unsafe_Unpark)},
+
+ {CC "getLoadAverage", CC "([DI)I", FN_PTR(Unsafe_Loadavg)},
+
+ {CC "copyMemory", CC "(" OBJ "J" OBJ "JJ)V", FN_PTR(Unsafe_CopyMemory)},
+ {CC "setMemory", CC "(" OBJ "JJB)V", FN_PTR(Unsafe_SetMemory)},
+
+ {CC "defineAnonymousClass", CC "(" DAC_Args ")" CLS, FN_PTR(Unsafe_DefineAnonymousClass)},
+
+ {CC "shouldBeInitialized",CC "(" CLS ")Z", FN_PTR(Unsafe_ShouldBeInitialized)},
+
+ {CC "loadFence", CC "()V", FN_PTR(Unsafe_LoadFence)},
+ {CC "storeFence", CC "()V", FN_PTR(Unsafe_StoreFence)},
+ {CC "fullFence", CC "()V", FN_PTR(Unsafe_FullFence)},
+};
+
+static JNINativeMethod jdk_internal_misc_Unsafe_methods[] = {
{CC "getObject", CC "(" OBJ "J)" OBJ "", FN_PTR(Unsafe_GetObject)},
{CC "putObject", CC "(" OBJ "J" OBJ ")V", FN_PTR(Unsafe_SetObject)},
{CC "getObjectVolatile",CC "(" OBJ "J)" OBJ "", FN_PTR(Unsafe_GetObjectVolatile)},
@@ -1316,17 +1384,27 @@
#undef DECLARE_GETPUTNATIVE
-// This one function is exported, used by NativeLookup.
+// These two functions are exported, used by NativeLookup.
// The Unsafe_xxx functions above are called only from the interpreter.
// The optimizer looks at names and signatures to recognize
// individual functions.
-JVM_ENTRY(void, JVM_RegisterUnsafeMethods(JNIEnv *env, jclass unsafeclass))
- UnsafeWrapper("JVM_RegisterUnsafeMethods");
+JVM_ENTRY(void, JVM_RegisterSunMiscUnsafeMethods(JNIEnv *env, jclass unsafeclass))
+ UnsafeWrapper("JVM_RegisterSunMiscUnsafeMethods");
{
ThreadToNativeFromVM ttnfv(thread);
- int ok = env->RegisterNatives(unsafeclass, methods, sizeof(methods)/sizeof(JNINativeMethod));
- guarantee(ok == 0, "register unsafe natives");
+ int ok = env->RegisterNatives(unsafeclass, sun_misc_Unsafe_methods, sizeof(sun_misc_Unsafe_methods)/sizeof(JNINativeMethod));
+ guarantee(ok == 0, "register sun.misc.Unsafe natives");
}
JVM_END
+
+JVM_ENTRY(void, JVM_RegisterJDKInternalMiscUnsafeMethods(JNIEnv *env, jclass unsafeclass))
+ UnsafeWrapper("JVM_RegisterJDKInternalMiscUnsafeMethods");
+ {
+ ThreadToNativeFromVM ttnfv(thread);
+
+ int ok = env->RegisterNatives(unsafeclass, jdk_internal_misc_Unsafe_methods, sizeof(jdk_internal_misc_Unsafe_methods)/sizeof(JNINativeMethod));
+ guarantee(ok == 0, "register jdk.internal.misc.Unsafe natives");
+ }
+JVM_END
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/JdkInternalMiscUnsafeAccessTestBoolean.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for boolean
+ * @modules java.base/jdk.internal.misc
+ * @run testng/othervm -Diters=100 -Xint JdkInternalMiscUnsafeAccessTestBoolean
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 JdkInternalMiscUnsafeAccessTestBoolean
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation JdkInternalMiscUnsafeAccessTestBoolean
+ * @run testng/othervm -Diters=20000 JdkInternalMiscUnsafeAccessTestBoolean
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class JdkInternalMiscUnsafeAccessTestBoolean {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final jdk.internal.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = jdk.internal.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (jdk.internal.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = JdkInternalMiscUnsafeAccessTestBoolean.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = JdkInternalMiscUnsafeAccessTestBoolean.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(boolean[].class);
+ int ascale = UNSAFE.arrayIndexScale(boolean[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static boolean static_v;
+
+ boolean v;
+
+ @Test
+ public void testFieldInstance() {
+ JdkInternalMiscUnsafeAccessTestBoolean t = new JdkInternalMiscUnsafeAccessTestBoolean();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ boolean[] array = new boolean[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putBoolean(base, offset, true);
+ boolean x = UNSAFE.getBoolean(base, offset);
+ assertEquals(x, true, "set boolean value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putBooleanVolatile(base, offset, false);
+ boolean x = UNSAFE.getBooleanVolatile(base, offset);
+ assertEquals(x, false, "putVolatile boolean value");
+ }
+
+
+
+
+ }
+
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/JdkInternalMiscUnsafeAccessTestByte.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for byte
+ * @modules java.base/jdk.internal.misc
+ * @run testng/othervm -Diters=100 -Xint JdkInternalMiscUnsafeAccessTestByte
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 JdkInternalMiscUnsafeAccessTestByte
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation JdkInternalMiscUnsafeAccessTestByte
+ * @run testng/othervm -Diters=20000 JdkInternalMiscUnsafeAccessTestByte
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class JdkInternalMiscUnsafeAccessTestByte {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final jdk.internal.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = jdk.internal.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (jdk.internal.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = JdkInternalMiscUnsafeAccessTestByte.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = JdkInternalMiscUnsafeAccessTestByte.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(byte[].class);
+ int ascale = UNSAFE.arrayIndexScale(byte[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static byte static_v;
+
+ byte v;
+
+ @Test
+ public void testFieldInstance() {
+ JdkInternalMiscUnsafeAccessTestByte t = new JdkInternalMiscUnsafeAccessTestByte();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ byte[] array = new byte[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+ @Test
+ public void testArrayOffHeap() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess(null, (((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ @Test
+ public void testArrayOffHeapDirect() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess((((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putByte(base, offset, (byte)1);
+ byte x = UNSAFE.getByte(base, offset);
+ assertEquals(x, (byte)1, "set byte value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putByteVolatile(base, offset, (byte)2);
+ byte x = UNSAFE.getByteVolatile(base, offset);
+ assertEquals(x, (byte)2, "putVolatile byte value");
+ }
+
+
+
+
+ }
+
+ static void testAccess(long address) {
+ // Plain
+ {
+ UNSAFE.putByte(address, (byte)1);
+ byte x = UNSAFE.getByte(address);
+ assertEquals(x, (byte)1, "set byte value");
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/JdkInternalMiscUnsafeAccessTestChar.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,190 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for char
+ * @modules java.base/jdk.internal.misc
+ * @run testng/othervm -Diters=100 -Xint JdkInternalMiscUnsafeAccessTestChar
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 JdkInternalMiscUnsafeAccessTestChar
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation JdkInternalMiscUnsafeAccessTestChar
+ * @run testng/othervm -Diters=20000 JdkInternalMiscUnsafeAccessTestChar
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class JdkInternalMiscUnsafeAccessTestChar {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final jdk.internal.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = jdk.internal.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (jdk.internal.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = JdkInternalMiscUnsafeAccessTestChar.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = JdkInternalMiscUnsafeAccessTestChar.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(char[].class);
+ int ascale = UNSAFE.arrayIndexScale(char[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static char static_v;
+
+ char v;
+
+ @Test
+ public void testFieldInstance() {
+ JdkInternalMiscUnsafeAccessTestChar t = new JdkInternalMiscUnsafeAccessTestChar();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ char[] array = new char[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+ @Test
+ public void testArrayOffHeap() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess(null, (((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ @Test
+ public void testArrayOffHeapDirect() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess((((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putChar(base, offset, 'a');
+ char x = UNSAFE.getChar(base, offset);
+ assertEquals(x, 'a', "set char value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putCharVolatile(base, offset, 'b');
+ char x = UNSAFE.getCharVolatile(base, offset);
+ assertEquals(x, 'b', "putVolatile char value");
+ }
+
+
+ // Unaligned
+ {
+ UNSAFE.putCharUnaligned(base, offset, 'b');
+ char x = UNSAFE.getCharUnaligned(base, offset);
+ assertEquals(x, 'b', "putUnaligned char value");
+ }
+
+ {
+ UNSAFE.putCharUnaligned(base, offset, 'a', true);
+ char x = UNSAFE.getCharUnaligned(base, offset, true);
+ assertEquals(x, 'a', "putUnaligned big endian char value");
+ }
+
+ {
+ UNSAFE.putCharUnaligned(base, offset, 'b', false);
+ char x = UNSAFE.getCharUnaligned(base, offset, false);
+ assertEquals(x, 'b', "putUnaligned little endian char value");
+ }
+
+
+ }
+
+ static void testAccess(long address) {
+ // Plain
+ {
+ UNSAFE.putChar(address, 'a');
+ char x = UNSAFE.getChar(address);
+ assertEquals(x, 'a', "set char value");
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/JdkInternalMiscUnsafeAccessTestDouble.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for double
+ * @modules java.base/jdk.internal.misc
+ * @run testng/othervm -Diters=100 -Xint JdkInternalMiscUnsafeAccessTestDouble
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 JdkInternalMiscUnsafeAccessTestDouble
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation JdkInternalMiscUnsafeAccessTestDouble
+ * @run testng/othervm -Diters=20000 JdkInternalMiscUnsafeAccessTestDouble
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class JdkInternalMiscUnsafeAccessTestDouble {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final jdk.internal.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = jdk.internal.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (jdk.internal.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = JdkInternalMiscUnsafeAccessTestDouble.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = JdkInternalMiscUnsafeAccessTestDouble.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(double[].class);
+ int ascale = UNSAFE.arrayIndexScale(double[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static double static_v;
+
+ double v;
+
+ @Test
+ public void testFieldInstance() {
+ JdkInternalMiscUnsafeAccessTestDouble t = new JdkInternalMiscUnsafeAccessTestDouble();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ double[] array = new double[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+ @Test
+ public void testArrayOffHeap() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess(null, (((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ @Test
+ public void testArrayOffHeapDirect() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess((((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putDouble(base, offset, 1.0d);
+ double x = UNSAFE.getDouble(base, offset);
+ assertEquals(x, 1.0d, "set double value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putDoubleVolatile(base, offset, 2.0d);
+ double x = UNSAFE.getDoubleVolatile(base, offset);
+ assertEquals(x, 2.0d, "putVolatile double value");
+ }
+
+
+
+
+ }
+
+ static void testAccess(long address) {
+ // Plain
+ {
+ UNSAFE.putDouble(address, 1.0d);
+ double x = UNSAFE.getDouble(address);
+ assertEquals(x, 1.0d, "set double value");
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/JdkInternalMiscUnsafeAccessTestFloat.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for float
+ * @modules java.base/jdk.internal.misc
+ * @run testng/othervm -Diters=100 -Xint JdkInternalMiscUnsafeAccessTestFloat
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 JdkInternalMiscUnsafeAccessTestFloat
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation JdkInternalMiscUnsafeAccessTestFloat
+ * @run testng/othervm -Diters=20000 JdkInternalMiscUnsafeAccessTestFloat
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class JdkInternalMiscUnsafeAccessTestFloat {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final jdk.internal.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = jdk.internal.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (jdk.internal.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = JdkInternalMiscUnsafeAccessTestFloat.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = JdkInternalMiscUnsafeAccessTestFloat.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(float[].class);
+ int ascale = UNSAFE.arrayIndexScale(float[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static float static_v;
+
+ float v;
+
+ @Test
+ public void testFieldInstance() {
+ JdkInternalMiscUnsafeAccessTestFloat t = new JdkInternalMiscUnsafeAccessTestFloat();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ float[] array = new float[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+ @Test
+ public void testArrayOffHeap() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess(null, (((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ @Test
+ public void testArrayOffHeapDirect() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess((((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putFloat(base, offset, 1.0f);
+ float x = UNSAFE.getFloat(base, offset);
+ assertEquals(x, 1.0f, "set float value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putFloatVolatile(base, offset, 2.0f);
+ float x = UNSAFE.getFloatVolatile(base, offset);
+ assertEquals(x, 2.0f, "putVolatile float value");
+ }
+
+
+
+
+ }
+
+ static void testAccess(long address) {
+ // Plain
+ {
+ UNSAFE.putFloat(address, 1.0f);
+ float x = UNSAFE.getFloat(address);
+ assertEquals(x, 1.0f, "set float value");
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/JdkInternalMiscUnsafeAccessTestInt.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,229 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for int
+ * @modules java.base/jdk.internal.misc
+ * @run testng/othervm -Diters=100 -Xint JdkInternalMiscUnsafeAccessTestInt
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 JdkInternalMiscUnsafeAccessTestInt
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation JdkInternalMiscUnsafeAccessTestInt
+ * @run testng/othervm -Diters=20000 JdkInternalMiscUnsafeAccessTestInt
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class JdkInternalMiscUnsafeAccessTestInt {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final jdk.internal.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = jdk.internal.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (jdk.internal.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = JdkInternalMiscUnsafeAccessTestInt.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = JdkInternalMiscUnsafeAccessTestInt.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(int[].class);
+ int ascale = UNSAFE.arrayIndexScale(int[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static int static_v;
+
+ int v;
+
+ @Test
+ public void testFieldInstance() {
+ JdkInternalMiscUnsafeAccessTestInt t = new JdkInternalMiscUnsafeAccessTestInt();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ int[] array = new int[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+ @Test
+ public void testArrayOffHeap() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess(null, (((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ @Test
+ public void testArrayOffHeapDirect() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess((((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putInt(base, offset, 1);
+ int x = UNSAFE.getInt(base, offset);
+ assertEquals(x, 1, "set int value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putIntVolatile(base, offset, 2);
+ int x = UNSAFE.getIntVolatile(base, offset);
+ assertEquals(x, 2, "putVolatile int value");
+ }
+
+ // Lazy
+ {
+ UNSAFE.putOrderedInt(base, offset, 1);
+ int x = UNSAFE.getIntVolatile(base, offset);
+ assertEquals(x, 1, "putRelease int value");
+ }
+
+ // Unaligned
+ {
+ UNSAFE.putIntUnaligned(base, offset, 2);
+ int x = UNSAFE.getIntUnaligned(base, offset);
+ assertEquals(x, 2, "putUnaligned int value");
+ }
+
+ {
+ UNSAFE.putIntUnaligned(base, offset, 1, true);
+ int x = UNSAFE.getIntUnaligned(base, offset, true);
+ assertEquals(x, 1, "putUnaligned big endian int value");
+ }
+
+ {
+ UNSAFE.putIntUnaligned(base, offset, 2, false);
+ int x = UNSAFE.getIntUnaligned(base, offset, false);
+ assertEquals(x, 2, "putUnaligned little endian int value");
+ }
+
+ UNSAFE.putInt(base, offset, 1);
+
+ // Compare
+ {
+ boolean r = UNSAFE.compareAndSwapInt(base, offset, 1, 2);
+ assertEquals(r, true, "success compareAndSwap int");
+ int x = UNSAFE.getInt(base, offset);
+ assertEquals(x, 2, "success compareAndSwap int value");
+ }
+
+ {
+ boolean r = UNSAFE.compareAndSwapInt(base, offset, 1, 3);
+ assertEquals(r, false, "failing compareAndSwap int");
+ int x = UNSAFE.getInt(base, offset);
+ assertEquals(x, 2, "failing compareAndSwap int value");
+ }
+
+ // Compare set and get
+ {
+ int o = UNSAFE.getAndSetInt(base, offset, 1);
+ assertEquals(o, 2, "getAndSet int");
+ int x = UNSAFE.getInt(base, offset);
+ assertEquals(x, 1, "getAndSet int value");
+ }
+
+ UNSAFE.putInt(base, offset, 1);
+
+ // get and add, add and get
+ {
+ int o = UNSAFE.getAndAddInt(base, offset, 2);
+ assertEquals(o, 1, "getAndAdd int");
+ int x = UNSAFE.getInt(base, offset);
+ assertEquals(x, 1 + 2, "weakCompareAndSwapRelease int");
+ }
+ }
+
+ static void testAccess(long address) {
+ // Plain
+ {
+ UNSAFE.putInt(address, 1);
+ int x = UNSAFE.getInt(address);
+ assertEquals(x, 1, "set int value");
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/JdkInternalMiscUnsafeAccessTestLong.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,229 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for long
+ * @modules java.base/jdk.internal.misc
+ * @run testng/othervm -Diters=100 -Xint JdkInternalMiscUnsafeAccessTestLong
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 JdkInternalMiscUnsafeAccessTestLong
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation JdkInternalMiscUnsafeAccessTestLong
+ * @run testng/othervm -Diters=20000 JdkInternalMiscUnsafeAccessTestLong
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class JdkInternalMiscUnsafeAccessTestLong {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final jdk.internal.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = jdk.internal.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (jdk.internal.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = JdkInternalMiscUnsafeAccessTestLong.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = JdkInternalMiscUnsafeAccessTestLong.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(long[].class);
+ int ascale = UNSAFE.arrayIndexScale(long[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static long static_v;
+
+ long v;
+
+ @Test
+ public void testFieldInstance() {
+ JdkInternalMiscUnsafeAccessTestLong t = new JdkInternalMiscUnsafeAccessTestLong();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ long[] array = new long[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+ @Test
+ public void testArrayOffHeap() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess(null, (((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ @Test
+ public void testArrayOffHeapDirect() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess((((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putLong(base, offset, 1L);
+ long x = UNSAFE.getLong(base, offset);
+ assertEquals(x, 1L, "set long value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putLongVolatile(base, offset, 2L);
+ long x = UNSAFE.getLongVolatile(base, offset);
+ assertEquals(x, 2L, "putVolatile long value");
+ }
+
+ // Lazy
+ {
+ UNSAFE.putOrderedLong(base, offset, 1L);
+ long x = UNSAFE.getLongVolatile(base, offset);
+ assertEquals(x, 1L, "putRelease long value");
+ }
+
+ // Unaligned
+ {
+ UNSAFE.putLongUnaligned(base, offset, 2L);
+ long x = UNSAFE.getLongUnaligned(base, offset);
+ assertEquals(x, 2L, "putUnaligned long value");
+ }
+
+ {
+ UNSAFE.putLongUnaligned(base, offset, 1L, true);
+ long x = UNSAFE.getLongUnaligned(base, offset, true);
+ assertEquals(x, 1L, "putUnaligned big endian long value");
+ }
+
+ {
+ UNSAFE.putLongUnaligned(base, offset, 2L, false);
+ long x = UNSAFE.getLongUnaligned(base, offset, false);
+ assertEquals(x, 2L, "putUnaligned little endian long value");
+ }
+
+ UNSAFE.putLong(base, offset, 1L);
+
+ // Compare
+ {
+ boolean r = UNSAFE.compareAndSwapLong(base, offset, 1L, 2L);
+ assertEquals(r, true, "success compareAndSwap long");
+ long x = UNSAFE.getLong(base, offset);
+ assertEquals(x, 2L, "success compareAndSwap long value");
+ }
+
+ {
+ boolean r = UNSAFE.compareAndSwapLong(base, offset, 1L, 3L);
+ assertEquals(r, false, "failing compareAndSwap long");
+ long x = UNSAFE.getLong(base, offset);
+ assertEquals(x, 2L, "failing compareAndSwap long value");
+ }
+
+ // Compare set and get
+ {
+ long o = UNSAFE.getAndSetLong(base, offset, 1L);
+ assertEquals(o, 2L, "getAndSet long");
+ long x = UNSAFE.getLong(base, offset);
+ assertEquals(x, 1L, "getAndSet long value");
+ }
+
+ UNSAFE.putLong(base, offset, 1L);
+
+ // get and add, add and get
+ {
+ long o = UNSAFE.getAndAddLong(base, offset, 2L);
+ assertEquals(o, 1L, "getAndAdd long");
+ long x = UNSAFE.getLong(base, offset);
+ assertEquals(x, 1L + 2L, "weakCompareAndSwapRelease long");
+ }
+ }
+
+ static void testAccess(long address) {
+ // Plain
+ {
+ UNSAFE.putLong(address, 1L);
+ long x = UNSAFE.getLong(address);
+ assertEquals(x, 1L, "set long value");
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/JdkInternalMiscUnsafeAccessTestObject.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,165 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for Object
+ * @modules java.base/jdk.internal.misc
+ * @run testng/othervm -Diters=100 -Xint JdkInternalMiscUnsafeAccessTestObject
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 JdkInternalMiscUnsafeAccessTestObject
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation JdkInternalMiscUnsafeAccessTestObject
+ * @run testng/othervm -Diters=20000 JdkInternalMiscUnsafeAccessTestObject
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class JdkInternalMiscUnsafeAccessTestObject {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final jdk.internal.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = jdk.internal.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (jdk.internal.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = JdkInternalMiscUnsafeAccessTestObject.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = JdkInternalMiscUnsafeAccessTestObject.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(Object[].class);
+ int ascale = UNSAFE.arrayIndexScale(Object[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static Object static_v;
+
+ Object v;
+
+ @Test
+ public void testFieldInstance() {
+ JdkInternalMiscUnsafeAccessTestObject t = new JdkInternalMiscUnsafeAccessTestObject();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ Object[] array = new Object[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putObject(base, offset, "foo");
+ Object x = UNSAFE.getObject(base, offset);
+ assertEquals(x, "foo", "set Object value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putObjectVolatile(base, offset, "bar");
+ Object x = UNSAFE.getObjectVolatile(base, offset);
+ assertEquals(x, "bar", "putVolatile Object value");
+ }
+
+ // Lazy
+ {
+ UNSAFE.putOrderedObject(base, offset, "foo");
+ Object x = UNSAFE.getObjectVolatile(base, offset);
+ assertEquals(x, "foo", "putRelease Object value");
+ }
+
+
+ UNSAFE.putObject(base, offset, "foo");
+
+ // Compare
+ {
+ boolean r = UNSAFE.compareAndSwapObject(base, offset, "foo", "bar");
+ assertEquals(r, true, "success compareAndSwap Object");
+ Object x = UNSAFE.getObject(base, offset);
+ assertEquals(x, "bar", "success compareAndSwap Object value");
+ }
+
+ {
+ boolean r = UNSAFE.compareAndSwapObject(base, offset, "foo", "baz");
+ assertEquals(r, false, "failing compareAndSwap Object");
+ Object x = UNSAFE.getObject(base, offset);
+ assertEquals(x, "bar", "failing compareAndSwap Object value");
+ }
+
+ // Compare set and get
+ {
+ Object o = UNSAFE.getAndSetObject(base, offset, "foo");
+ assertEquals(o, "bar", "getAndSet Object");
+ Object x = UNSAFE.getObject(base, offset);
+ assertEquals(x, "foo", "getAndSet Object value");
+ }
+
+ }
+
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/JdkInternalMiscUnsafeAccessTestShort.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,190 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for short
+ * @modules java.base/jdk.internal.misc
+ * @run testng/othervm -Diters=100 -Xint JdkInternalMiscUnsafeAccessTestShort
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 JdkInternalMiscUnsafeAccessTestShort
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation JdkInternalMiscUnsafeAccessTestShort
+ * @run testng/othervm -Diters=20000 JdkInternalMiscUnsafeAccessTestShort
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class JdkInternalMiscUnsafeAccessTestShort {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final jdk.internal.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = jdk.internal.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (jdk.internal.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = JdkInternalMiscUnsafeAccessTestShort.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = JdkInternalMiscUnsafeAccessTestShort.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(short[].class);
+ int ascale = UNSAFE.arrayIndexScale(short[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static short static_v;
+
+ short v;
+
+ @Test
+ public void testFieldInstance() {
+ JdkInternalMiscUnsafeAccessTestShort t = new JdkInternalMiscUnsafeAccessTestShort();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ short[] array = new short[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+ @Test
+ public void testArrayOffHeap() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess(null, (((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ @Test
+ public void testArrayOffHeapDirect() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess((((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putShort(base, offset, (short)1);
+ short x = UNSAFE.getShort(base, offset);
+ assertEquals(x, (short)1, "set short value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putShortVolatile(base, offset, (short)2);
+ short x = UNSAFE.getShortVolatile(base, offset);
+ assertEquals(x, (short)2, "putVolatile short value");
+ }
+
+
+ // Unaligned
+ {
+ UNSAFE.putShortUnaligned(base, offset, (short)2);
+ short x = UNSAFE.getShortUnaligned(base, offset);
+ assertEquals(x, (short)2, "putUnaligned short value");
+ }
+
+ {
+ UNSAFE.putShortUnaligned(base, offset, (short)1, true);
+ short x = UNSAFE.getShortUnaligned(base, offset, true);
+ assertEquals(x, (short)1, "putUnaligned big endian short value");
+ }
+
+ {
+ UNSAFE.putShortUnaligned(base, offset, (short)2, false);
+ short x = UNSAFE.getShortUnaligned(base, offset, false);
+ assertEquals(x, (short)2, "putUnaligned little endian short value");
+ }
+
+
+ }
+
+ static void testAccess(long address) {
+ // Plain
+ {
+ UNSAFE.putShort(address, (short)1);
+ short x = UNSAFE.getShort(address);
+ assertEquals(x, (short)1, "set short value");
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/SunMiscUnsafeAccessTestBoolean.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for boolean
+ * @modules java.base/sun.misc
+ * @run testng/othervm -Diters=100 -Xint SunMiscUnsafeAccessTestBoolean
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 SunMiscUnsafeAccessTestBoolean
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation SunMiscUnsafeAccessTestBoolean
+ * @run testng/othervm -Diters=20000 SunMiscUnsafeAccessTestBoolean
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class SunMiscUnsafeAccessTestBoolean {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final sun.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (sun.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = SunMiscUnsafeAccessTestBoolean.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = SunMiscUnsafeAccessTestBoolean.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(boolean[].class);
+ int ascale = UNSAFE.arrayIndexScale(boolean[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static boolean static_v;
+
+ boolean v;
+
+ @Test
+ public void testFieldInstance() {
+ SunMiscUnsafeAccessTestBoolean t = new SunMiscUnsafeAccessTestBoolean();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ boolean[] array = new boolean[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putBoolean(base, offset, true);
+ boolean x = UNSAFE.getBoolean(base, offset);
+ assertEquals(x, true, "set boolean value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putBooleanVolatile(base, offset, false);
+ boolean x = UNSAFE.getBooleanVolatile(base, offset);
+ assertEquals(x, false, "putVolatile boolean value");
+ }
+
+
+
+
+ }
+
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/SunMiscUnsafeAccessTestByte.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for byte
+ * @modules java.base/sun.misc
+ * @run testng/othervm -Diters=100 -Xint SunMiscUnsafeAccessTestByte
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 SunMiscUnsafeAccessTestByte
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation SunMiscUnsafeAccessTestByte
+ * @run testng/othervm -Diters=20000 SunMiscUnsafeAccessTestByte
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class SunMiscUnsafeAccessTestByte {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final sun.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (sun.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = SunMiscUnsafeAccessTestByte.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = SunMiscUnsafeAccessTestByte.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(byte[].class);
+ int ascale = UNSAFE.arrayIndexScale(byte[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static byte static_v;
+
+ byte v;
+
+ @Test
+ public void testFieldInstance() {
+ SunMiscUnsafeAccessTestByte t = new SunMiscUnsafeAccessTestByte();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ byte[] array = new byte[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+ @Test
+ public void testArrayOffHeap() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess(null, (((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ @Test
+ public void testArrayOffHeapDirect() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess((((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putByte(base, offset, (byte)1);
+ byte x = UNSAFE.getByte(base, offset);
+ assertEquals(x, (byte)1, "set byte value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putByteVolatile(base, offset, (byte)2);
+ byte x = UNSAFE.getByteVolatile(base, offset);
+ assertEquals(x, (byte)2, "putVolatile byte value");
+ }
+
+
+
+
+ }
+
+ static void testAccess(long address) {
+ // Plain
+ {
+ UNSAFE.putByte(address, (byte)1);
+ byte x = UNSAFE.getByte(address);
+ assertEquals(x, (byte)1, "set byte value");
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/SunMiscUnsafeAccessTestChar.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for char
+ * @modules java.base/sun.misc
+ * @run testng/othervm -Diters=100 -Xint SunMiscUnsafeAccessTestChar
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 SunMiscUnsafeAccessTestChar
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation SunMiscUnsafeAccessTestChar
+ * @run testng/othervm -Diters=20000 SunMiscUnsafeAccessTestChar
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class SunMiscUnsafeAccessTestChar {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final sun.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (sun.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = SunMiscUnsafeAccessTestChar.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = SunMiscUnsafeAccessTestChar.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(char[].class);
+ int ascale = UNSAFE.arrayIndexScale(char[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static char static_v;
+
+ char v;
+
+ @Test
+ public void testFieldInstance() {
+ SunMiscUnsafeAccessTestChar t = new SunMiscUnsafeAccessTestChar();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ char[] array = new char[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+ @Test
+ public void testArrayOffHeap() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess(null, (((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ @Test
+ public void testArrayOffHeapDirect() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess((((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putChar(base, offset, 'a');
+ char x = UNSAFE.getChar(base, offset);
+ assertEquals(x, 'a', "set char value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putCharVolatile(base, offset, 'b');
+ char x = UNSAFE.getCharVolatile(base, offset);
+ assertEquals(x, 'b', "putVolatile char value");
+ }
+
+
+
+
+ }
+
+ static void testAccess(long address) {
+ // Plain
+ {
+ UNSAFE.putChar(address, 'a');
+ char x = UNSAFE.getChar(address);
+ assertEquals(x, 'a', "set char value");
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/SunMiscUnsafeAccessTestDouble.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for double
+ * @modules java.base/sun.misc
+ * @run testng/othervm -Diters=100 -Xint SunMiscUnsafeAccessTestDouble
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 SunMiscUnsafeAccessTestDouble
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation SunMiscUnsafeAccessTestDouble
+ * @run testng/othervm -Diters=20000 SunMiscUnsafeAccessTestDouble
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class SunMiscUnsafeAccessTestDouble {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final sun.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (sun.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = SunMiscUnsafeAccessTestDouble.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = SunMiscUnsafeAccessTestDouble.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(double[].class);
+ int ascale = UNSAFE.arrayIndexScale(double[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static double static_v;
+
+ double v;
+
+ @Test
+ public void testFieldInstance() {
+ SunMiscUnsafeAccessTestDouble t = new SunMiscUnsafeAccessTestDouble();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ double[] array = new double[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+ @Test
+ public void testArrayOffHeap() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess(null, (((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ @Test
+ public void testArrayOffHeapDirect() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess((((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putDouble(base, offset, 1.0d);
+ double x = UNSAFE.getDouble(base, offset);
+ assertEquals(x, 1.0d, "set double value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putDoubleVolatile(base, offset, 2.0d);
+ double x = UNSAFE.getDoubleVolatile(base, offset);
+ assertEquals(x, 2.0d, "putVolatile double value");
+ }
+
+
+
+
+ }
+
+ static void testAccess(long address) {
+ // Plain
+ {
+ UNSAFE.putDouble(address, 1.0d);
+ double x = UNSAFE.getDouble(address);
+ assertEquals(x, 1.0d, "set double value");
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/SunMiscUnsafeAccessTestFloat.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for float
+ * @modules java.base/sun.misc
+ * @run testng/othervm -Diters=100 -Xint SunMiscUnsafeAccessTestFloat
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 SunMiscUnsafeAccessTestFloat
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation SunMiscUnsafeAccessTestFloat
+ * @run testng/othervm -Diters=20000 SunMiscUnsafeAccessTestFloat
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class SunMiscUnsafeAccessTestFloat {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final sun.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (sun.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = SunMiscUnsafeAccessTestFloat.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = SunMiscUnsafeAccessTestFloat.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(float[].class);
+ int ascale = UNSAFE.arrayIndexScale(float[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static float static_v;
+
+ float v;
+
+ @Test
+ public void testFieldInstance() {
+ SunMiscUnsafeAccessTestFloat t = new SunMiscUnsafeAccessTestFloat();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ float[] array = new float[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+ @Test
+ public void testArrayOffHeap() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess(null, (((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ @Test
+ public void testArrayOffHeapDirect() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess((((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putFloat(base, offset, 1.0f);
+ float x = UNSAFE.getFloat(base, offset);
+ assertEquals(x, 1.0f, "set float value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putFloatVolatile(base, offset, 2.0f);
+ float x = UNSAFE.getFloatVolatile(base, offset);
+ assertEquals(x, 2.0f, "putVolatile float value");
+ }
+
+
+
+
+ }
+
+ static void testAccess(long address) {
+ // Plain
+ {
+ UNSAFE.putFloat(address, 1.0f);
+ float x = UNSAFE.getFloat(address);
+ assertEquals(x, 1.0f, "set float value");
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/SunMiscUnsafeAccessTestInt.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,211 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for int
+ * @modules java.base/sun.misc
+ * @run testng/othervm -Diters=100 -Xint SunMiscUnsafeAccessTestInt
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 SunMiscUnsafeAccessTestInt
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation SunMiscUnsafeAccessTestInt
+ * @run testng/othervm -Diters=20000 SunMiscUnsafeAccessTestInt
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class SunMiscUnsafeAccessTestInt {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final sun.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (sun.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = SunMiscUnsafeAccessTestInt.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = SunMiscUnsafeAccessTestInt.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(int[].class);
+ int ascale = UNSAFE.arrayIndexScale(int[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static int static_v;
+
+ int v;
+
+ @Test
+ public void testFieldInstance() {
+ SunMiscUnsafeAccessTestInt t = new SunMiscUnsafeAccessTestInt();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ int[] array = new int[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+ @Test
+ public void testArrayOffHeap() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess(null, (((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ @Test
+ public void testArrayOffHeapDirect() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess((((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putInt(base, offset, 1);
+ int x = UNSAFE.getInt(base, offset);
+ assertEquals(x, 1, "set int value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putIntVolatile(base, offset, 2);
+ int x = UNSAFE.getIntVolatile(base, offset);
+ assertEquals(x, 2, "putVolatile int value");
+ }
+
+ // Lazy
+ {
+ UNSAFE.putOrderedInt(base, offset, 1);
+ int x = UNSAFE.getIntVolatile(base, offset);
+ assertEquals(x, 1, "putRelease int value");
+ }
+
+
+ UNSAFE.putInt(base, offset, 1);
+
+ // Compare
+ {
+ boolean r = UNSAFE.compareAndSwapInt(base, offset, 1, 2);
+ assertEquals(r, true, "success compareAndSwap int");
+ int x = UNSAFE.getInt(base, offset);
+ assertEquals(x, 2, "success compareAndSwap int value");
+ }
+
+ {
+ boolean r = UNSAFE.compareAndSwapInt(base, offset, 1, 3);
+ assertEquals(r, false, "failing compareAndSwap int");
+ int x = UNSAFE.getInt(base, offset);
+ assertEquals(x, 2, "failing compareAndSwap int value");
+ }
+
+ // Compare set and get
+ {
+ int o = UNSAFE.getAndSetInt(base, offset, 1);
+ assertEquals(o, 2, "getAndSet int");
+ int x = UNSAFE.getInt(base, offset);
+ assertEquals(x, 1, "getAndSet int value");
+ }
+
+ UNSAFE.putInt(base, offset, 1);
+
+ // get and add, add and get
+ {
+ int o = UNSAFE.getAndAddInt(base, offset, 2);
+ assertEquals(o, 1, "getAndAdd int");
+ int x = UNSAFE.getInt(base, offset);
+ assertEquals(x, 1 + 2, "weakCompareAndSwapRelease int");
+ }
+ }
+
+ static void testAccess(long address) {
+ // Plain
+ {
+ UNSAFE.putInt(address, 1);
+ int x = UNSAFE.getInt(address);
+ assertEquals(x, 1, "set int value");
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/SunMiscUnsafeAccessTestLong.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,211 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for long
+ * @modules java.base/sun.misc
+ * @run testng/othervm -Diters=100 -Xint SunMiscUnsafeAccessTestLong
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 SunMiscUnsafeAccessTestLong
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation SunMiscUnsafeAccessTestLong
+ * @run testng/othervm -Diters=20000 SunMiscUnsafeAccessTestLong
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class SunMiscUnsafeAccessTestLong {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final sun.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (sun.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = SunMiscUnsafeAccessTestLong.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = SunMiscUnsafeAccessTestLong.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(long[].class);
+ int ascale = UNSAFE.arrayIndexScale(long[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static long static_v;
+
+ long v;
+
+ @Test
+ public void testFieldInstance() {
+ SunMiscUnsafeAccessTestLong t = new SunMiscUnsafeAccessTestLong();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ long[] array = new long[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+ @Test
+ public void testArrayOffHeap() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess(null, (((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ @Test
+ public void testArrayOffHeapDirect() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess((((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putLong(base, offset, 1L);
+ long x = UNSAFE.getLong(base, offset);
+ assertEquals(x, 1L, "set long value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putLongVolatile(base, offset, 2L);
+ long x = UNSAFE.getLongVolatile(base, offset);
+ assertEquals(x, 2L, "putVolatile long value");
+ }
+
+ // Lazy
+ {
+ UNSAFE.putOrderedLong(base, offset, 1L);
+ long x = UNSAFE.getLongVolatile(base, offset);
+ assertEquals(x, 1L, "putRelease long value");
+ }
+
+
+ UNSAFE.putLong(base, offset, 1L);
+
+ // Compare
+ {
+ boolean r = UNSAFE.compareAndSwapLong(base, offset, 1L, 2L);
+ assertEquals(r, true, "success compareAndSwap long");
+ long x = UNSAFE.getLong(base, offset);
+ assertEquals(x, 2L, "success compareAndSwap long value");
+ }
+
+ {
+ boolean r = UNSAFE.compareAndSwapLong(base, offset, 1L, 3L);
+ assertEquals(r, false, "failing compareAndSwap long");
+ long x = UNSAFE.getLong(base, offset);
+ assertEquals(x, 2L, "failing compareAndSwap long value");
+ }
+
+ // Compare set and get
+ {
+ long o = UNSAFE.getAndSetLong(base, offset, 1L);
+ assertEquals(o, 2L, "getAndSet long");
+ long x = UNSAFE.getLong(base, offset);
+ assertEquals(x, 1L, "getAndSet long value");
+ }
+
+ UNSAFE.putLong(base, offset, 1L);
+
+ // get and add, add and get
+ {
+ long o = UNSAFE.getAndAddLong(base, offset, 2L);
+ assertEquals(o, 1L, "getAndAdd long");
+ long x = UNSAFE.getLong(base, offset);
+ assertEquals(x, 1L + 2L, "weakCompareAndSwapRelease long");
+ }
+ }
+
+ static void testAccess(long address) {
+ // Plain
+ {
+ UNSAFE.putLong(address, 1L);
+ long x = UNSAFE.getLong(address);
+ assertEquals(x, 1L, "set long value");
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/SunMiscUnsafeAccessTestObject.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,165 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for Object
+ * @modules java.base/sun.misc
+ * @run testng/othervm -Diters=100 -Xint SunMiscUnsafeAccessTestObject
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 SunMiscUnsafeAccessTestObject
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation SunMiscUnsafeAccessTestObject
+ * @run testng/othervm -Diters=20000 SunMiscUnsafeAccessTestObject
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class SunMiscUnsafeAccessTestObject {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final sun.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (sun.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = SunMiscUnsafeAccessTestObject.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = SunMiscUnsafeAccessTestObject.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(Object[].class);
+ int ascale = UNSAFE.arrayIndexScale(Object[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static Object static_v;
+
+ Object v;
+
+ @Test
+ public void testFieldInstance() {
+ SunMiscUnsafeAccessTestObject t = new SunMiscUnsafeAccessTestObject();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ Object[] array = new Object[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putObject(base, offset, "foo");
+ Object x = UNSAFE.getObject(base, offset);
+ assertEquals(x, "foo", "set Object value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putObjectVolatile(base, offset, "bar");
+ Object x = UNSAFE.getObjectVolatile(base, offset);
+ assertEquals(x, "bar", "putVolatile Object value");
+ }
+
+ // Lazy
+ {
+ UNSAFE.putOrderedObject(base, offset, "foo");
+ Object x = UNSAFE.getObjectVolatile(base, offset);
+ assertEquals(x, "foo", "putRelease Object value");
+ }
+
+
+ UNSAFE.putObject(base, offset, "foo");
+
+ // Compare
+ {
+ boolean r = UNSAFE.compareAndSwapObject(base, offset, "foo", "bar");
+ assertEquals(r, true, "success compareAndSwap Object");
+ Object x = UNSAFE.getObject(base, offset);
+ assertEquals(x, "bar", "success compareAndSwap Object value");
+ }
+
+ {
+ boolean r = UNSAFE.compareAndSwapObject(base, offset, "foo", "baz");
+ assertEquals(r, false, "failing compareAndSwap Object");
+ Object x = UNSAFE.getObject(base, offset);
+ assertEquals(x, "bar", "failing compareAndSwap Object value");
+ }
+
+ // Compare set and get
+ {
+ Object o = UNSAFE.getAndSetObject(base, offset, "foo");
+ assertEquals(o, "bar", "getAndSet Object");
+ Object x = UNSAFE.getObject(base, offset);
+ assertEquals(x, "foo", "getAndSet Object value");
+ }
+
+ }
+
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/SunMiscUnsafeAccessTestShort.java Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for short
+ * @modules java.base/sun.misc
+ * @run testng/othervm -Diters=100 -Xint SunMiscUnsafeAccessTestShort
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 SunMiscUnsafeAccessTestShort
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation SunMiscUnsafeAccessTestShort
+ * @run testng/othervm -Diters=20000 SunMiscUnsafeAccessTestShort
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class SunMiscUnsafeAccessTestShort {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final sun.misc.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = (sun.misc.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = SunMiscUnsafeAccessTestShort.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = SunMiscUnsafeAccessTestShort.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset(short[].class);
+ int ascale = UNSAFE.arrayIndexScale(short[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static short static_v;
+
+ short v;
+
+ @Test
+ public void testFieldInstance() {
+ SunMiscUnsafeAccessTestShort t = new SunMiscUnsafeAccessTestShort();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ short[] array = new short[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+ @Test
+ public void testArrayOffHeap() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess(null, (((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ @Test
+ public void testArrayOffHeapDirect() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess((((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.putShort(base, offset, (short)1);
+ short x = UNSAFE.getShort(base, offset);
+ assertEquals(x, (short)1, "set short value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.putShortVolatile(base, offset, (short)2);
+ short x = UNSAFE.getShortVolatile(base, offset);
+ assertEquals(x, (short)2, "putVolatile short value");
+ }
+
+
+
+
+ }
+
+ static void testAccess(long address) {
+ // Plain
+ {
+ UNSAFE.putShort(address, (short)1);
+ short x = UNSAFE.getShort(address);
+ assertEquals(x, (short)1, "set short value");
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/X-UnsafeAccessTest.java.template Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,247 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * @test
+ * @bug 8143628
+ * @summary Test unsafe access for $type$
+ * @modules java.base/$package$
+ * @run testng/othervm -Diters=100 -Xint $Qualifier$UnsafeAccessTest$Type$
+ * @run testng/othervm -Diters=20000 -XX:TieredStopAtLevel=1 $Qualifier$UnsafeAccessTest$Type$
+ * @run testng/othervm -Diters=20000 -XX:-TieredCompilation $Qualifier$UnsafeAccessTest$Type$
+ * @run testng/othervm -Diters=20000 $Qualifier$UnsafeAccessTest$Type$
+ */
+
+import org.testng.annotations.Test;
+
+import java.lang.reflect.Field;
+
+import static org.testng.Assert.*;
+
+public class $Qualifier$UnsafeAccessTest$Type$ {
+ static final int ITERS = Integer.getInteger("iters", 1);
+
+ static final $package$.Unsafe UNSAFE;
+
+ static final long V_OFFSET;
+
+ static final Object STATIC_V_BASE;
+
+ static final long STATIC_V_OFFSET;
+
+ static int ARRAY_OFFSET;
+
+ static int ARRAY_SHIFT;
+
+ static {
+ try {
+ Field f = $package$.Unsafe.class.getDeclaredField("theUnsafe");
+ f.setAccessible(true);
+ UNSAFE = ($package$.Unsafe) f.get(null);
+ } catch (Exception e) {
+ throw new RuntimeException("Unable to get Unsafe instance.", e);
+ }
+
+ try {
+ Field staticVField = $Qualifier$UnsafeAccessTest$Type$.class.getDeclaredField("static_v");
+ STATIC_V_BASE = UNSAFE.staticFieldBase(staticVField);
+ STATIC_V_OFFSET = UNSAFE.staticFieldOffset(staticVField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ try {
+ Field vField = $Qualifier$UnsafeAccessTest$Type$.class.getDeclaredField("v");
+ V_OFFSET = UNSAFE.objectFieldOffset(vField);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ ARRAY_OFFSET = UNSAFE.arrayBaseOffset($type$[].class);
+ int ascale = UNSAFE.arrayIndexScale($type$[].class);
+ ARRAY_SHIFT = 31 - Integer.numberOfLeadingZeros(ascale);
+ }
+
+ static $type$ static_v;
+
+ $type$ v;
+
+ @Test
+ public void testFieldInstance() {
+ $Qualifier$UnsafeAccessTest$Type$ t = new $Qualifier$UnsafeAccessTest$Type$();
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(t, V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testFieldStatic() {
+ for (int c = 0; c < ITERS; c++) {
+ testAccess(STATIC_V_BASE, STATIC_V_OFFSET);
+ }
+ }
+
+ @Test
+ public void testArray() {
+ $type$[] array = new $type$[10];
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < array.length; i++) {
+ testAccess(array, (((long) i) << ARRAY_SHIFT) + ARRAY_OFFSET);
+ }
+ }
+ }
+
+#if[!Object]
+#if[!boolean]
+ @Test
+ public void testArrayOffHeap() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess(null, (((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+
+ @Test
+ public void testArrayOffHeapDirect() {
+ int size = 10;
+ long address = UNSAFE.allocateMemory(size << ARRAY_SHIFT);
+ try {
+ for (int c = 0; c < ITERS; c++) {
+ for (int i = 0; i < size; i++) {
+ testAccess((((long) i) << ARRAY_SHIFT) + address);
+ }
+ }
+ } finally {
+ UNSAFE.freeMemory(address);
+ }
+ }
+#end[!boolean]
+#end[!Object]
+
+ static void testAccess(Object base, long offset) {
+ // Plain
+ {
+ UNSAFE.put$Type$(base, offset, $value1$);
+ $type$ x = UNSAFE.get$Type$(base, offset);
+ assertEquals(x, $value1$, "set $type$ value");
+ }
+
+ // Volatile
+ {
+ UNSAFE.put$Type$Volatile(base, offset, $value2$);
+ $type$ x = UNSAFE.get$Type$Volatile(base, offset);
+ assertEquals(x, $value2$, "putVolatile $type$ value");
+ }
+
+#if[Ordered]
+ // Lazy
+ {
+ UNSAFE.putOrdered$Type$(base, offset, $value1$);
+ $type$ x = UNSAFE.get$Type$Volatile(base, offset);
+ assertEquals(x, $value1$, "putRelease $type$ value");
+ }
+#end[Ordered]
+
+#if[JdkInternalMisc]
+#if[Unaligned]
+ // Unaligned
+ {
+ UNSAFE.put$Type$Unaligned(base, offset, $value2$);
+ $type$ x = UNSAFE.get$Type$Unaligned(base, offset);
+ assertEquals(x, $value2$, "putUnaligned $type$ value");
+ }
+
+ {
+ UNSAFE.put$Type$Unaligned(base, offset, $value1$, true);
+ $type$ x = UNSAFE.get$Type$Unaligned(base, offset, true);
+ assertEquals(x, $value1$, "putUnaligned big endian $type$ value");
+ }
+
+ {
+ UNSAFE.put$Type$Unaligned(base, offset, $value2$, false);
+ $type$ x = UNSAFE.get$Type$Unaligned(base, offset, false);
+ assertEquals(x, $value2$, "putUnaligned little endian $type$ value");
+ }
+#end[Unaligned]
+#end[JdkInternalMisc]
+
+#if[CAS]
+ UNSAFE.put$Type$(base, offset, $value1$);
+
+ // Compare
+ {
+ boolean r = UNSAFE.compareAndSwap$Type$(base, offset, $value1$, $value2$);
+ assertEquals(r, true, "success compareAndSwap $type$");
+ $type$ x = UNSAFE.get$Type$(base, offset);
+ assertEquals(x, $value2$, "success compareAndSwap $type$ value");
+ }
+
+ {
+ boolean r = UNSAFE.compareAndSwap$Type$(base, offset, $value1$, $value3$);
+ assertEquals(r, false, "failing compareAndSwap $type$");
+ $type$ x = UNSAFE.get$Type$(base, offset);
+ assertEquals(x, $value2$, "failing compareAndSwap $type$ value");
+ }
+
+ // Compare set and get
+ {
+ $type$ o = UNSAFE.getAndSet$Type$(base, offset, $value1$);
+ assertEquals(o, $value2$, "getAndSet $type$");
+ $type$ x = UNSAFE.get$Type$(base, offset);
+ assertEquals(x, $value1$, "getAndSet $type$ value");
+ }
+#end[CAS]
+
+#if[AtomicAdd]
+ UNSAFE.put$Type$(base, offset, $value1$);
+
+ // get and add, add and get
+ {
+ $type$ o = UNSAFE.getAndAdd$Type$(base, offset, $value2$);
+ assertEquals(o, $value1$, "getAndAdd $type$");
+ $type$ x = UNSAFE.get$Type$(base, offset);
+ assertEquals(x, $value1$ + $value2$, "weakCompareAndSwapRelease $type$");
+ }
+#end[AtomicAdd]
+ }
+
+#if[!Object]
+#if[!boolean]
+ static void testAccess(long address) {
+ // Plain
+ {
+ UNSAFE.put$Type$(address, $value1$);
+ $type$ x = UNSAFE.get$Type$(address);
+ assertEquals(x, $value1$, "set $type$ value");
+ }
+ }
+#end[!boolean]
+#end[!Object]
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/unsafe/generate-unsafe-access-tests.sh Wed Dec 09 14:54:40 2015 +0100
@@ -0,0 +1,119 @@
+#!/bin/bash
+
+#
+# Copyright (c) 2015, 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.
+#
+
+javac -d . ../../../../jdk/make/src/classes/build/tools/spp/Spp.java
+
+SPP=build.tools.spp.Spp
+
+# Generates unsafe access tests for objects and all primitive types
+# $1 = package name to Unsafe, sun.misc | jdk.internal.misc
+# $2 = test class qualifier name, SunMisc | JdkInternalMisc
+function generate {
+ package=$1
+ Qualifier=$2
+
+ for type in boolean byte short char int long float double Object
+ do
+ Type="$(tr '[:lower:]' '[:upper:]' <<< ${type:0:1})${type:1}"
+ args="-K$type -Dtype=$type -DType=$Type"
+
+ case $type in
+ Object|int|long)
+ args="$args -KCAS -KOrdered"
+ ;;
+ esac
+
+ case $type in
+ int|long)
+ args="$args -KAtomicAdd"
+ ;;
+ esac
+
+ case $type in
+ short|char|int|long)
+ args="$args -KUnaligned"
+ ;;
+ esac
+
+ case $type in
+ boolean)
+ value1=true
+ value2=false
+ value3=false
+ ;;
+ byte)
+ value1=(byte)1
+ value2=(byte)2
+ value3=(byte)3
+ ;;
+ short)
+ value1=(short)1
+ value2=(short)2
+ value3=(short)3
+ ;;
+ char)
+ value1=\'a\'
+ value2=\'b\'
+ value3=\'c\'
+ ;;
+ int)
+ value1=1
+ value2=2
+ value3=3
+ ;;
+ long)
+ value1=1L
+ value2=2L
+ value3=3L
+ ;;
+ float)
+ value1=1.0f
+ value2=2.0f
+ value3=3.0f
+ ;;
+ double)
+ value1=1.0d
+ value2=2.0d
+ value3=3.0d
+ ;;
+ Object)
+ value1=\"foo\"
+ value2=\"bar\"
+ value3=\"baz\"
+ ;;
+ esac
+
+ args="$args -Dvalue1=$value1 -Dvalue2=$value2 -Dvalue3=$value3"
+
+ echo $args
+ java $SPP -nel -K$Qualifier -Dpackage=$package -DQualifier=$Qualifier \
+ $args < X-UnsafeAccessTest.java.template > ${Qualifier}UnsafeAccessTest${Type}.java
+ done
+}
+
+generate sun.misc SunMisc
+generate jdk.internal.misc JdkInternalMisc
+
+rm -fr build
\ No newline at end of file