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 */ 23 package org.graalvm.compiler.asm.test; 24 25 import static org.graalvm.compiler.core.common.CompilationRequestIdentifier.asCompilationRequest; 26 27 import java.lang.reflect.Method; 28 29 import org.junit.Assert; 30 31 import org.graalvm.compiler.api.test.Graal; 32 import org.graalvm.compiler.code.CompilationResult; 33 import org.graalvm.compiler.code.DisassemblerProvider; 34 import org.graalvm.compiler.core.common.CompilationIdentifier; 35 import org.graalvm.compiler.core.target.Backend; 36 import org.graalvm.compiler.debug.Debug; 37 import org.graalvm.compiler.debug.Debug.Scope; 38 import org.graalvm.compiler.nodes.StructuredGraph; 39 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions; 40 import org.graalvm.compiler.runtime.RuntimeProvider; 41 import org.graalvm.compiler.serviceprovider.GraalServices; 42 import org.graalvm.compiler.test.GraalTest; 43 44 import jdk.vm.ci.code.CallingConvention; 45 import jdk.vm.ci.code.CodeCacheProvider; 46 import jdk.vm.ci.code.InstalledCode; 47 import jdk.vm.ci.code.InvalidInstalledCodeException; 48 import jdk.vm.ci.code.RegisterConfig; 49 import jdk.vm.ci.code.TargetDescription; 50 import jdk.vm.ci.meta.MetaAccessProvider; 51 import jdk.vm.ci.meta.ResolvedJavaMethod; 52 import jdk.vm.ci.runtime.JVMCI; 53 import jdk.vm.ci.runtime.JVMCIBackend; 54 55 public abstract class AssemblerTest extends GraalTest { 56 57 private final MetaAccessProvider metaAccess; 58 protected final CodeCacheProvider codeCache; 59 private final Backend backend; 60 61 public interface CodeGenTest { 62 byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc); 63 } 64 65 public AssemblerTest() { 66 JVMCIBackend providers = JVMCI.getRuntime().getHostJVMCIBackend(); 67 this.metaAccess = providers.getMetaAccess(); 68 this.codeCache = providers.getCodeCache(); 69 this.backend = Graal.getRequiredCapability(RuntimeProvider.class).getHostBackend(); 70 } 71 72 public MetaAccessProvider getMetaAccess() { 73 return metaAccess; 74 } 75 76 @SuppressWarnings("try") 77 protected InstalledCode assembleMethod(Method m, CodeGenTest test) { 78 ResolvedJavaMethod method = getMetaAccess().lookupJavaMethod(m); 79 try (Scope s = Debug.scope("assembleMethod", method, codeCache)) { 80 RegisterConfig registerConfig = codeCache.getRegisterConfig(); 81 CompilationIdentifier compilationId = backend.getCompilationIdentifier(method); 82 CallingConvention cc = backend.newLIRGenerationResult(compilationId, null, null, new StructuredGraph(method, AllowAssumptions.NO, compilationId), null).getCallingConvention(); 83 84 CompilationResult compResult = new CompilationResult(); 85 byte[] targetCode = test.generateCode(compResult, codeCache.getTarget(), registerConfig, cc); 86 compResult.setTargetCode(targetCode, targetCode.length); 87 compResult.setTotalFrameSize(0); 88 compResult.close(); 89 90 InstalledCode code = backend.addInstalledCode(method, asCompilationRequest(compilationId), compResult); 91 92 for (DisassemblerProvider dis : GraalServices.load(DisassemblerProvider.class)) { 93 String disasm1 = dis.disassembleCompiledCode(codeCache, compResult); 94 Assert.assertTrue(compResult.toString(), disasm1 == null || disasm1.length() > 0); 95 String disasm2 = dis.disassembleInstalledCode(codeCache, compResult, code); 96 Assert.assertTrue(code.toString(), disasm2 == null || disasm2.length() > 0); 97 } 98 return code; 99 } catch (Throwable e) { 100 throw Debug.handle(e); 101 } 102 } 103 104 protected Object runTest(String methodName, CodeGenTest test, Object... args) { 105 Method method = getMethod(methodName); 106 InstalledCode code = assembleMethod(method, test); 107 try { 108 return code.executeVarargs(args); 109 } catch (InvalidInstalledCodeException e) { 110 throw new RuntimeException(e); 111 } 112 } 113 114 protected void assertReturn(String methodName, CodeGenTest test, Object expected, Object... args) { 115 Object actual = runTest(methodName, test, args); 116 Assert.assertEquals("unexpected return value", expected, actual); 117 } 118 }