1 /*
   2  * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 package compiler.testlibrary.rtm;
  26 
  27 import jdk.internal.misc.Unsafe;
  28 import jdk.test.lib.unsafe.UnsafeHelper;
  29 
  30 /**
  31  * Current RTM locking implementation force transaction abort
  32  * before native method call by explicit xabort(0) call.
  33  */
  34 class XAbortProvoker extends AbortProvoker {
  35     // Following field have to be static in order to avoid escape analysis.
  36     @SuppressWarnings("UnsuedDeclaration")
  37     private static int field = 0;
  38     private static final Unsafe UNSAFE = UnsafeHelper.getUnsafe();
  39 
  40     public XAbortProvoker() {
  41         this(new Object());
  42     }
  43 
  44     public XAbortProvoker(Object monitor) {
  45         super(monitor);
  46     }
  47 
  48     @Override
  49     public void forceAbort() {
  50         synchronized(monitor) {
  51             XAbortProvoker.field = UNSAFE.addressSize();
  52         }
  53     }
  54 
  55     @Override
  56     public String[] getMethodsToCompileNames() {
  57         return new String[] {
  58                 getMethodWithLockName(),

   1 /*
   2  * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 package compiler.testlibrary.rtm;
  26 
  27 import jdk.internal.misc.Unsafe;

  28 
  29 /**
  30  * Current RTM locking implementation force transaction abort
  31  * before native method call by explicit xabort(0) call.
  32  */
  33 class XAbortProvoker extends AbortProvoker {
  34     // Following field have to be static in order to avoid escape analysis.
  35     @SuppressWarnings("UnsuedDeclaration")
  36     private static int field = 0;
  37     private static final Unsafe UNSAFE = Unsafe.getUnsafe();
  38 
  39     public XAbortProvoker() {
  40         this(new Object());
  41     }
  42 
  43     public XAbortProvoker(Object monitor) {
  44         super(monitor);
  45     }
  46 
  47     @Override
  48     public void forceAbort() {
  49         synchronized(monitor) {
  50             XAbortProvoker.field = UNSAFE.addressSize();
  51         }
  52     }
  53 
  54     @Override
  55     public String[] getMethodsToCompileNames() {
  56         return new String[] {
  57                 getMethodWithLockName(),