| /* |
| * Copyright (c) 2013, 2015, 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 org.graalvm.compiler.hotspot.amd64.test; |
| |
| import static jdk.vm.ci.amd64.AMD64.rax; |
| |
| import java.util.Arrays; |
| |
| import org.junit.Assert; |
| import org.junit.Ignore; |
| import org.junit.Test; |
| |
| import org.graalvm.compiler.asm.amd64.AMD64Assembler; |
| import org.graalvm.compiler.core.test.GraalCompilerTest; |
| |
| import jdk.vm.ci.code.InstalledCode; |
| import jdk.vm.ci.code.Register; |
| import jdk.vm.ci.code.RegisterArray; |
| import jdk.vm.ci.code.TargetDescription; |
| import jdk.vm.ci.hotspot.HotSpotCallingConventionType; |
| import jdk.vm.ci.meta.JavaKind; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| |
| /** |
| * 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, JavaKind.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, JavaKind.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) { |
| ResolvedJavaMethod javaMethod = getResolvedJavaMethod(name); |
| InstalledCode installedCode = getCode(javaMethod); |
| |
| TargetDescription target = getCodeCache().getTarget(); |
| AMD64Assembler asm = new AMD64Assembler(target); |
| |
| 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, JavaKind kind) { |
| RegisterArray regs = getCodeCache().getRegisterConfig().getCallingConventionRegisters(HotSpotCallingConventionType.JavaCall, kind); |
| return regs.get(index); |
| } |
| } |