Mercurial > hg > truffle
diff graal/com.oracle.jvmci.asm.test/src/com/oracle/jvmci/asm/test/AssemblerTest.java @ 21709:3c17c0c41a6b
moved com.oracle.asm.**.test to JVMCI namespace (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Wed, 03 Jun 2015 18:33:23 +0200 |
parents | graal/com.oracle.graal.asm.test/src/com/oracle/graal/asm/test/AssemblerTest.java@e0f311284930 |
children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.jvmci.asm.test/src/com/oracle/jvmci/asm/test/AssemblerTest.java Wed Jun 03 18:33:23 2015 +0200 @@ -0,0 +1,93 @@ +/* + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package com.oracle.jvmci.asm.test; + +import java.lang.reflect.*; + +import org.junit.*; + +import com.oracle.jvmci.code.*; +import com.oracle.jvmci.debug.*; +import com.oracle.jvmci.debug.Debug.Scope; +import com.oracle.jvmci.meta.*; +import com.oracle.jvmci.runtime.*; +import com.oracle.jvmci.service.*; +import com.oracle.jvmci.test.*; + +public abstract class AssemblerTest extends TestBase { + + private final MetaAccessProvider metaAccess; + protected final CodeCacheProvider codeCache; + + public interface CodeGenTest { + byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc); + } + + public AssemblerTest() { + JVMCIBackend providers = JVMCI.getRuntime().getHostJVMCIBackend(); + this.metaAccess = providers.getMetaAccess(); + this.codeCache = providers.getCodeCache(); + } + + public MetaAccessProvider getMetaAccess() { + return metaAccess; + } + + protected InstalledCode assembleMethod(Method m, CodeGenTest test) { + ResolvedJavaMethod method = getMetaAccess().lookupJavaMethod(m); + try (Scope s = Debug.scope("assembleMethod", method, codeCache)) { + RegisterConfig registerConfig = codeCache.getRegisterConfig(); + CallingConvention cc = CodeUtil.getCallingConvention(codeCache, CallingConvention.Type.JavaCallee, method, false); + + CompilationResult compResult = new CompilationResult(); + byte[] targetCode = test.generateCode(compResult, codeCache.getTarget(), registerConfig, cc); + compResult.setTargetCode(targetCode, targetCode.length); + compResult.setTotalFrameSize(0); + + InstalledCode code = codeCache.addMethod(method, compResult, null, null); + + for (DisassemblerProvider dis : Services.load(DisassemblerProvider.class)) { + String disasm = dis.disassemble(code); + Assert.assertTrue(code.toString(), disasm == null || disasm.length() > 0); + } + return code; + } catch (Throwable e) { + throw Debug.handle(e); + } + } + + protected Object runTest(String methodName, CodeGenTest test, Object... args) { + Method method = getMethod(methodName); + InstalledCode code = assembleMethod(method, test); + try { + return code.executeVarargs(args); + } catch (InvalidInstalledCodeException e) { + throw new RuntimeException(e); + } + } + + protected void assertReturn(String methodName, CodeGenTest test, Object expected, Object... args) { + Object actual = runTest(methodName, test, args); + Assert.assertEquals("unexpected return value", expected, actual); + } +}