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 static jdk.vm.ci.hotspot.HotSpotJVMCICompilerFactory.CompilationLevelAdjustment.None;
  28 
  29 import org.graalvm.compiler.debug.GraalError;
  30 
  31 import jdk.vm.ci.hotspot.HotSpotJVMCICompilerFactory;
  32 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
  33 
  34 /**
  35  * Determines if a given class is a JVMCI or Graal class for the purpose of
  36  * {@link HotSpotGraalCompilerFactory.Options#CompileGraalWithC1Only}.
  37  */
  38 class IsGraalPredicate extends IsGraalPredicateBase {
  39     /**
  40      * Module containing {@link HotSpotJVMCICompilerFactory}.
  41      */
  42     private final Module jvmciModule;
  43 
  44     /**
  45      * Module containing {@link HotSpotGraalCompilerFactory}.
  46      */
  47     private final Module graalModule;
  48 
  49     /**
  50      * Module containing the {@linkplain CompilerConfigurationFactory#selectFactory selected}
  51      * configuration.
  52      */
  53     private Module compilerConfigurationModule;
  54 
  55     IsGraalPredicate() {
  56         jvmciModule = HotSpotJVMCICompilerFactory.class.getModule();
  57         graalModule = HotSpotGraalCompilerFactory.class.getModule();
  58     }
  59 
  60     @Override
  61     void onCompilerConfigurationFactorySelection(HotSpotJVMCIRuntime runtime, CompilerConfigurationFactory factory) {
  62         compilerConfigurationModule = factory.getClass().getModule();
  63         runtime.excludeFromJVMCICompilation(jvmciModule, graalModule, compilerConfigurationModule);
  64     }
  65 
  66     @Override
  67     boolean apply(Class<?> declaringClass) {
  68         throw GraalError.shouldNotReachHere();
  69     }
  70 
  71     @Override
  72     HotSpotJVMCICompilerFactory.CompilationLevelAdjustment getCompilationLevelAdjustment() {
  73         return None;
  74     }
  75 
  76 }