1 /*
   2  * Copyright (c) 2015, 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 package compiler.jvmci.errors;
  25 
  26 import jdk.vm.ci.code.Architecture;
  27 import jdk.vm.ci.code.CodeCacheProvider;
  28 import jdk.vm.ci.code.Register;
  29 import jdk.vm.ci.code.RegisterArray;
  30 import jdk.vm.ci.code.StackSlot;
  31 import jdk.vm.ci.code.site.DataPatch;
  32 import jdk.vm.ci.code.site.Site;
  33 import jdk.vm.ci.hotspot.HotSpotCompiledCode;
  34 import jdk.vm.ci.hotspot.HotSpotCompiledCode.Comment;

  35 import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider;

  36 import jdk.vm.ci.meta.Assumptions.Assumption;
  37 import jdk.vm.ci.meta.MetaAccessProvider;
  38 import jdk.vm.ci.meta.PlatformKind;
  39 import jdk.vm.ci.meta.ResolvedJavaMethod;
  40 import jdk.vm.ci.runtime.JVMCI;
  41 import jdk.vm.ci.runtime.JVMCIBackend;
  42 import org.junit.Assert;
  43 
  44 import java.lang.reflect.Method;
  45 
  46 public class CodeInstallerTest {
  47 
  48     protected final Architecture arch;
  49     protected final CodeCacheProvider codeCache;
  50     protected final MetaAccessProvider metaAccess;
  51     protected final HotSpotConstantReflectionProvider constantReflection;
  52 
  53     protected final ResolvedJavaMethod dummyMethod;
  54 
  55     public static void dummyMethod() {
  56     }
  57 
  58     protected CodeInstallerTest() {
  59         JVMCIBackend backend = JVMCI.getRuntime().getHostJVMCIBackend();
  60         metaAccess = backend.getMetaAccess();
  61         codeCache = backend.getCodeCache();
  62         constantReflection = (HotSpotConstantReflectionProvider) backend.getConstantReflection();
  63         arch = codeCache.getTarget().arch;
  64 
  65         Method method = null;
  66         try {
  67             method = CodeInstallerTest.class.getMethod("dummyMethod");
  68         } catch (NoSuchMethodException e) {
  69             Assert.fail();
  70         }
  71 
  72         dummyMethod = metaAccess.lookupJavaMethod(method);
  73     }
  74 
  75     protected void installEmptyCode(Site[] sites, Assumption[] assumptions, Comment[] comments, int dataSectionAlignment, DataPatch[] dataSectionPatches, StackSlot deoptRescueSlot) {
  76         HotSpotCompiledCode code = new HotSpotCompiledCode("dummyMethod", new byte[0], 0, sites, assumptions, new ResolvedJavaMethod[]{dummyMethod}, comments, new byte[8], dataSectionAlignment,
  77                         dataSectionPatches, false, 0, deoptRescueSlot);

  78         codeCache.addCode(dummyMethod, code, null, null);
  79     }
  80 
  81     protected Register getRegister(PlatformKind kind, int index) {
  82         int idx = index;
  83         RegisterArray allRegs = arch.getAvailableValueRegisters();
  84         for (Register reg : allRegs) {
  85             if (arch.canStoreValue(reg.getRegisterCategory(), kind)) {
  86                 if (idx-- == 0) {
  87                     return reg;
  88                 }
  89             }
  90         }
  91         return null;
  92     }
  93 }

   1 /*
   2  * Copyright (c) 2015, 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 package compiler.jvmci.errors;
  25 
  26 import jdk.vm.ci.code.Architecture;
  27 import jdk.vm.ci.code.CodeCacheProvider;
  28 import jdk.vm.ci.code.Register;
  29 import jdk.vm.ci.code.RegisterArray;
  30 import jdk.vm.ci.code.StackSlot;
  31 import jdk.vm.ci.code.site.DataPatch;
  32 import jdk.vm.ci.code.site.Site;
  33 import jdk.vm.ci.hotspot.HotSpotCompiledCode;
  34 import jdk.vm.ci.hotspot.HotSpotCompiledCode.Comment;
  35 import jdk.vm.ci.hotspot.HotSpotCompiledNmethod;
  36 import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider;
  37 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
  38 import jdk.vm.ci.meta.Assumptions.Assumption;
  39 import jdk.vm.ci.meta.MetaAccessProvider;
  40 import jdk.vm.ci.meta.PlatformKind;
  41 import jdk.vm.ci.meta.ResolvedJavaMethod;
  42 import jdk.vm.ci.runtime.JVMCI;
  43 import jdk.vm.ci.runtime.JVMCIBackend;
  44 import org.junit.Assert;
  45 
  46 import java.lang.reflect.Method;
  47 
  48 public class CodeInstallerTest {
  49 
  50     protected final Architecture arch;
  51     protected final CodeCacheProvider codeCache;
  52     protected final MetaAccessProvider metaAccess;
  53     protected final HotSpotConstantReflectionProvider constantReflection;
  54 
  55     protected final HotSpotResolvedJavaMethod dummyMethod;
  56 
  57     public static void dummyMethod() {
  58     }
  59 
  60     protected CodeInstallerTest() {
  61         JVMCIBackend backend = JVMCI.getRuntime().getHostJVMCIBackend();
  62         metaAccess = backend.getMetaAccess();
  63         codeCache = backend.getCodeCache();
  64         constantReflection = (HotSpotConstantReflectionProvider) backend.getConstantReflection();
  65         arch = codeCache.getTarget().arch;
  66 
  67         Method method = null;
  68         try {
  69             method = CodeInstallerTest.class.getMethod("dummyMethod");
  70         } catch (NoSuchMethodException e) {
  71             Assert.fail();
  72         }
  73 
  74         dummyMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaMethod(method);
  75     }
  76 
  77     protected void installEmptyCode(Site[] sites, Assumption[] assumptions, Comment[] comments, int dataSectionAlignment, DataPatch[] dataSectionPatches, StackSlot deoptRescueSlot) {
  78         HotSpotCompiledCode code = new HotSpotCompiledNmethod("dummyMethod", new byte[0], 0, sites, assumptions, new ResolvedJavaMethod[]{dummyMethod}, comments, new byte[8], dataSectionAlignment,
  79                         dataSectionPatches, false, 0, deoptRescueSlot,
  80                         dummyMethod, 0, 1, 0L, false);
  81         codeCache.addCode(dummyMethod, code, null, null);
  82     }
  83 
  84     protected Register getRegister(PlatformKind kind, int index) {
  85         int idx = index;
  86         RegisterArray allRegs = arch.getAvailableValueRegisters();
  87         for (Register reg : allRegs) {
  88             if (arch.canStoreValue(reg.getRegisterCategory(), kind)) {
  89                 if (idx-- == 0) {
  90                     return reg;
  91                 }
  92             }
  93         }
  94         return null;
  95     }
  96 }