1 /*
   2  * Copyright (c) 2014, 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 org.graalvm.compiler.hotspot.sparc;
  24 
  25 import static jdk.vm.ci.sparc.SPARC.g1;
  26 import static jdk.vm.ci.sparc.SPARC.g3;
  27 import static jdk.vm.ci.sparc.SPARC.g4;
  28 import static jdk.vm.ci.sparc.SPARC.g5;
  29 import static jdk.vm.ci.sparc.SPARC.o0;
  30 import static jdk.vm.ci.sparc.SPARC.o1;
  31 import static jdk.vm.ci.sparc.SPARC.o2;
  32 import static jdk.vm.ci.sparc.SPARC.o3;
  33 import static jdk.vm.ci.sparc.SPARC.o4;
  34 
  35 import org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage;
  36 import org.graalvm.compiler.hotspot.meta.HotSpotProviders;
  37 import org.graalvm.compiler.hotspot.stubs.UncommonTrapStub;
  38 
  39 import jdk.vm.ci.code.RegisterArray;
  40 import jdk.vm.ci.code.RegisterConfig;
  41 import jdk.vm.ci.code.TargetDescription;
  42 import jdk.vm.ci.hotspot.sparc.SPARCHotSpotRegisterConfig;
  43 
  44 final class SPARCUncommonTrapStub extends UncommonTrapStub {
  45 
  46     private RegisterConfig registerConfig;
  47 
  48     SPARCUncommonTrapStub(HotSpotProviders providers, TargetDescription target, HotSpotForeignCallLinkage linkage) {
  49         super(providers, target, linkage);
  50         // This is basically the maximum we can spare. All other G and O register are used.
  51         RegisterArray allocatable = new RegisterArray(g1, g3, g4, g5, o0, o1, o2, o3, o4);
  52         registerConfig = new SPARCHotSpotRegisterConfig(target, allocatable);
  53     }
  54 
  55     @Override
  56     public RegisterConfig getRegisterConfig() {
  57         return registerConfig;
  58     }
  59 
  60 }