Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot.amd64.test/src/com/oracle/graal/hotspot/amd64/test/AMD64HotSpotFrameOmissionTest.java @ 15452:625f779255a7
Merge with cb2eef41371c7e61e16c0076b0a1ad855dab86cc
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
---|---|
date | Wed, 30 Apr 2014 11:27:59 -0700 |
parents | 390c4b742890 |
children | 1668de777c42 |
line wrap: on
line source
/* * 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.graal.hotspot.amd64.test; import static com.oracle.graal.amd64.AMD64.*; import java.lang.reflect.*; import java.util.*; import org.junit.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.amd64.*; import com.oracle.graal.compiler.test.*; /** * Ensures that frame omission works in cases where it is expected to. */ public class AMD64HotSpotFrameOmissionTest extends GraalCompilerTest { interface CodeGenerator { void generateCode(AMD64Assembler asm); } public static void test1snippet() { return; } @Ignore @Test public void test1() { testHelper("test1snippet", new CodeGenerator() { @Override public void generateCode(AMD64Assembler asm) { asm.nop(5); // padding for mt-safe patching asm.ret(0); } }); } public static int test2snippet(int x) { return x + 5; } @Ignore @Test public void test2() { testHelper("test2snippet", new CodeGenerator() { @Override public void generateCode(AMD64Assembler asm) { Register arg = getArgumentRegister(0, Kind.Int); asm.nop(5); // padding for mt-safe patching asm.addl(arg, 5); asm.movl(rax, arg); asm.ret(0); } }); } public static long test3snippet(long x) { return 1 + x; } @Ignore @Test public void test3() { testHelper("test3snippet", new CodeGenerator() { @Override public void generateCode(AMD64Assembler asm) { Register arg = getArgumentRegister(0, Kind.Long); asm.nop(5); // padding for mt-safe patching asm.addq(arg, 1); asm.movq(rax, arg); asm.ret(0); } }); } private void testHelper(String name, CodeGenerator gen) { Method method = getMethod(name); ResolvedJavaMethod javaMethod = getMetaAccess().lookupJavaMethod(method); InstalledCode installedCode = getCode(javaMethod, parse(method)); TargetDescription target = getCodeCache().getTarget(); RegisterConfig registerConfig = getCodeCache().getRegisterConfig(); AMD64Assembler asm = new AMD64Assembler(target, registerConfig); gen.generateCode(asm); byte[] expectedCode = asm.close(true); // Only compare up to expectedCode.length bytes to ignore // padding instructions adding during code installation byte[] actualCode = Arrays.copyOf(installedCode.getCode(), expectedCode.length); Assert.assertArrayEquals(expectedCode, actualCode); } private Register getArgumentRegister(int index, Kind kind) { Register[] regs = getCodeCache().getRegisterConfig().getCallingConventionRegisters(CallingConvention.Type.JavaCall, kind); return regs[index]; } }