1 /* 2 * Copyright (c) 2013, 2018, 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 24 25 package org.graalvm.compiler.asm.amd64.test; 26 27 import static org.junit.Assume.assumeTrue; 28 29 import java.nio.ByteBuffer; 30 import java.nio.ByteOrder; 31 32 import org.graalvm.compiler.asm.amd64.AMD64Assembler; 33 import org.graalvm.compiler.asm.amd64.AMD64MacroAssembler; 34 import org.graalvm.compiler.asm.test.AssemblerTest; 35 import org.graalvm.compiler.code.CompilationResult; 36 import org.graalvm.compiler.code.DataSection.Data; 37 import org.graalvm.compiler.code.DataSection.RawData; 38 import org.graalvm.compiler.code.DataSection.SerializableData; 39 import org.junit.Before; 40 import org.junit.Test; 41 42 import jdk.vm.ci.amd64.AMD64; 43 import jdk.vm.ci.code.CallingConvention; 44 import jdk.vm.ci.code.Register; 45 import jdk.vm.ci.code.RegisterConfig; 46 import jdk.vm.ci.code.TargetDescription; 47 import jdk.vm.ci.code.site.DataSectionReference; 48 import jdk.vm.ci.meta.JavaConstant; 49 import jdk.vm.ci.meta.JavaKind; 50 51 public class SimpleAssemblerTest extends AssemblerTest { 52 53 @Before 54 public void checkAMD64() { 55 assumeTrue("skipping AMD64 specific test", codeCache.getTarget().arch instanceof AMD64); 56 } 57 58 @Test 59 public void intTest() { 60 CodeGenTest test = new CodeGenTest() { 61 62 @Override 63 public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { 64 AMD64Assembler asm = new AMD64Assembler(target); 65 Register ret = registerConfig.getReturnRegister(JavaKind.Int); 66 asm.movl(ret, 8472); 67 asm.ret(0); 68 return asm.close(true); 69 } 70 }; 71 assertReturn("intStub", test, 8472); 72 } 73 74 @Test 75 public void doubleTest() { 76 CodeGenTest test = new CodeGenTest() { 77 78 @Override 79 public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { 80 AMD64MacroAssembler asm = new AMD64MacroAssembler(target); 81 Register ret = registerConfig.getReturnRegister(JavaKind.Double); 82 Data data = new SerializableData(JavaConstant.forDouble(84.72), 8); 83 DataSectionReference ref = compResult.getDataSection().insertData(data); 84 compResult.recordDataPatch(asm.position(), ref); 85 asm.movdbl(ret, asm.getPlaceholder(-1)); 86 asm.ret(0); 87 return asm.close(true); 88 } 89 }; 90 assertReturn("doubleStub", test, 84.72); 91 } 92 93 @Test 94 public void rawDoubleTest() { 95 CodeGenTest test = new CodeGenTest() { 96 97 @Override 98 public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { 99 AMD64MacroAssembler asm = new AMD64MacroAssembler(target); 100 Register ret = registerConfig.getReturnRegister(JavaKind.Double); 101 102 byte[] rawBytes = new byte[8]; 103 ByteBuffer.wrap(rawBytes).order(ByteOrder.nativeOrder()).putDouble(84.72); 104 Data data = new RawData(rawBytes, 8); 105 DataSectionReference ref = compResult.getDataSection().insertData(data); 106 compResult.recordDataPatch(asm.position(), ref); 107 asm.movdbl(ret, asm.getPlaceholder(-1)); 108 asm.ret(0); 109 return asm.close(true); 110 } 111 }; 112 assertReturn("doubleStub", test, 84.72); 113 } 114 115 public static int intStub() { 116 return 0; 117 } 118 119 public static double doubleStub() { 120 return 0.0; 121 } 122 }