1/* 2 * Copyright (c) 2013, 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 */ 23package org.graalvm.compiler.asm.test; 24 25import static org.graalvm.compiler.core.common.CompilationRequestIdentifier.asCompilationRequest; 26 27import java.lang.reflect.Method; 28 29import org.graalvm.compiler.api.test.Graal; 30import org.graalvm.compiler.code.CompilationResult; 31import org.graalvm.compiler.code.DisassemblerProvider; 32import org.graalvm.compiler.core.common.CompilationIdentifier; 33import org.graalvm.compiler.core.target.Backend; 34import org.graalvm.compiler.debug.DebugContext; 35import org.graalvm.compiler.nodes.StructuredGraph; 36import org.graalvm.compiler.options.OptionValues; 37import org.graalvm.compiler.runtime.RuntimeProvider; 38import org.graalvm.compiler.serviceprovider.GraalServices; 39import org.graalvm.compiler.test.GraalTest; 40import org.junit.Assert; 41 42import jdk.vm.ci.code.CallingConvention; 43import jdk.vm.ci.code.CodeCacheProvider; 44import jdk.vm.ci.code.InstalledCode; 45import jdk.vm.ci.code.InvalidInstalledCodeException; 46import jdk.vm.ci.code.RegisterConfig; 47import jdk.vm.ci.code.TargetDescription; 48import jdk.vm.ci.meta.MetaAccessProvider; 49import jdk.vm.ci.meta.ResolvedJavaMethod; 50import jdk.vm.ci.runtime.JVMCI; 51import jdk.vm.ci.runtime.JVMCIBackend; 52 53public abstract class AssemblerTest extends GraalTest { 54 55 private final MetaAccessProvider metaAccess; 56 protected final CodeCacheProvider codeCache; 57 private final Backend backend; 58 59 public interface CodeGenTest { 60 byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc); 61 } 62 63 /** 64 * Gets the initial option values provided by the Graal runtime. These are option values 65 * typically parsed from the command line. 66 */ 67 public static OptionValues getInitialOptions() { 68 return Graal.getRequiredCapability(OptionValues.class); 69 } 70 71 public AssemblerTest() { 72 JVMCIBackend providers = JVMCI.getRuntime().getHostJVMCIBackend(); 73 this.metaAccess = providers.getMetaAccess(); 74 this.codeCache = providers.getCodeCache(); 75 this.backend = Graal.getRequiredCapability(RuntimeProvider.class).getHostBackend(); 76 } 77 78 public MetaAccessProvider getMetaAccess() { 79 return metaAccess; 80 } 81 82 @SuppressWarnings("try") 83 protected InstalledCode assembleMethod(Method m, CodeGenTest test) { 84 ResolvedJavaMethod method = getMetaAccess().lookupJavaMethod(m); 85 OptionValues options = getInitialOptions(); 86 DebugContext debug = getDebugContext(options); 87 try (DebugContext.Scope s = debug.scope("assembleMethod", method, codeCache)) { 88 RegisterConfig registerConfig = codeCache.getRegisterConfig(); 89 CompilationIdentifier compilationId = backend.getCompilationIdentifier(method); 90 StructuredGraph graph = new StructuredGraph.Builder(options, debug).method(method).compilationId(compilationId).build(); 91 CallingConvention cc = backend.newLIRGenerationResult(compilationId, null, null, graph, null).getCallingConvention(); 92 93 CompilationResult compResult = new CompilationResult(graph.compilationId()); 94 byte[] targetCode = test.generateCode(compResult, codeCache.getTarget(), registerConfig, cc); 95 compResult.setTargetCode(targetCode, targetCode.length); 96 compResult.setTotalFrameSize(0); 97 compResult.close(); 98 99 InstalledCode code = backend.addInstalledCode(debug, method, asCompilationRequest(compilationId), compResult); 100 101 for (DisassemblerProvider dis : GraalServices.load(DisassemblerProvider.class)) { 102 String disasm1 = dis.disassembleCompiledCode(codeCache, compResult); 103 Assert.assertTrue(compResult.toString(), disasm1 == null || disasm1.length() > 0); 104 String disasm2 = dis.disassembleInstalledCode(codeCache, compResult, code); 105 Assert.assertTrue(code.toString(), disasm2 == null || disasm2.length() > 0); 106 } 107 return code; 108 } catch (Throwable e) { 109 throw debug.handle(e); 110 } 111 } 112 113 protected Object runTest(String methodName, CodeGenTest test, Object... args) { 114 Method method = getMethod(methodName); 115 InstalledCode code = assembleMethod(method, test); 116 try { 117 return code.executeVarargs(args); 118 } catch (InvalidInstalledCodeException e) { 119 throw new RuntimeException(e); 120 } 121 } 122 123 protected void assertReturn(String methodName, CodeGenTest test, Object expected, Object... args) { 124 Object actual = runTest(methodName, test, args); 125 Assert.assertEquals("unexpected return value", expected, actual); 126 } 127} 128