1 /*
   2  * Copyright (c) 2018, 2019, 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 org.graalvm.compiler.hotspot;
  26 
  27 import jdk.vm.ci.hotspot.HotSpotJVMCICompilerFactory;
  28 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
  29 
  30 /**
  31  * Determines if a given class is a JVMCI or Graal class for the purpose of
  32  * {@link HotSpotGraalCompilerFactory.Options#CompileGraalWithC1Only}.
  33  */
  34 class IsGraalPredicate extends IsGraalPredicateBase {
  35     /**
  36      * Module containing {@link HotSpotJVMCICompilerFactory}.
  37      */
  38     private final Module jvmciModule;
  39 
  40     /**
  41      * Module containing {@link HotSpotGraalCompilerFactory}.
  42      */
  43     private final Module graalModule;
  44 
  45     /**
  46      * Module containing the {@linkplain CompilerConfigurationFactory#selectFactory selected}
  47      * configuration.
  48      */
  49     private Module compilerConfigurationModule;
  50 
  51     IsGraalPredicate() {
  52         jvmciModule = HotSpotJVMCICompilerFactory.class.getModule();
  53         graalModule = HotSpotGraalCompilerFactory.class.getModule();
  54     }
  55 
  56     @Override
  57     void onCompilerConfigurationFactorySelection(HotSpotJVMCIRuntime runtime, CompilerConfigurationFactory factory) {
  58         compilerConfigurationModule = factory.getClass().getModule();
  59     }
  60 
  61     @Override
  62     boolean apply(Class<?> declaringClass) {
  63         Module module = declaringClass.getModule();
  64         return jvmciModule == module || graalModule == module || compilerConfigurationModule == module;
  65     }
  66 
  67     @Override
  68     HotSpotJVMCICompilerFactory.CompilationLevelAdjustment getCompilationLevelAdjustment() {
  69         return HotSpotJVMCICompilerFactory.CompilationLevelAdjustment.ByHolder;
  70     }
  71 }
  72