1 /*
   2  * Copyright (c) 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 package jdk.vm.ci.runtime;
  24 
  25 import jdk.vm.ci.code.CodeCacheProvider;
  26 import jdk.vm.ci.code.TargetDescription;
  27 import jdk.vm.ci.code.stack.StackIntrospection;
  28 import jdk.vm.ci.meta.ConstantReflectionProvider;
  29 import jdk.vm.ci.meta.MetaAccessProvider;
  30 
  31 /**
  32  * A JVMCI backend encapsulates the capabilities needed by a Java based compiler for compiling and
  33  * installing code for a single compute unit within a JVM. In a JVM with support for heterogeneous
  34  * computing, more than one backend may be exposed.
  35  */
  36 public class JVMCIBackend {
  37 
  38     private final MetaAccessProvider metaAccess;
  39     private final CodeCacheProvider codeCache;
  40     private final ConstantReflectionProvider constantReflection;
  41     private final StackIntrospection stackIntrospection;
  42 
  43     public JVMCIBackend(MetaAccessProvider metaAccess, CodeCacheProvider codeCache, ConstantReflectionProvider constantReflection, StackIntrospection stackIntrospection) {
  44         this.metaAccess = metaAccess;
  45         this.codeCache = codeCache;
  46         this.constantReflection = constantReflection;
  47         this.stackIntrospection = stackIntrospection;
  48     }
  49 
  50     public MetaAccessProvider getMetaAccess() {
  51         return metaAccess;
  52     }
  53 
  54     public CodeCacheProvider getCodeCache() {
  55         return codeCache;
  56     }
  57 
  58     public ConstantReflectionProvider getConstantReflection() {
  59         return constantReflection;
  60     }
  61 
  62     public TargetDescription getTarget() {
  63         return codeCache.getTarget();
  64     }
  65 
  66     public StackIntrospection getStackIntrospection() {
  67         return stackIntrospection;
  68     }
  69 }