Mercurial > hg > openjdk > jdk9 > hotspot
changeset 9769:d84bd22ab531
8143628: Fork sun.misc.Unsafe and jdk.internal.misc.Unsafe native method tables
Reviewed-by: shade, dholmes, alanb, chegar, mchung, roland
line wrap: on
line diff
--- a/src/share/vm/prims/nativeLookup.cpp Wed Dec 09 11:06:39 2015 +0100 +++ b/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/src/share/vm/prims/unsafe.cpp Wed Dec 09 11:06:39 2015 +0100 +++ b/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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