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annotate graal/com.oracle.graal.hotspot.amd64.test/src/com/oracle/graal/hotspot/amd64/test/AMD64HotSpotFrameOmissionTest.java @ 9739:4cd4926ec683

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rename: RuntimeCallTarget -> ForeignCallLinkage
author Doug Simon <doug.simon@oracle.com>
date Thu, 16 May 2013 17:12:17 +0200
parents 3ec29630cfb4
children 23ccaa863eda
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1 /*
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.hotspot.amd64.test;
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24
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25 import static com.oracle.graal.amd64.AMD64.*;
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26
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27 import java.lang.reflect.*;
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28 import java.util.*;
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29
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30 import org.junit.*;
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31
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32 import com.oracle.graal.api.code.*;
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33 import com.oracle.graal.api.meta.*;
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34 import com.oracle.graal.api.runtime.*;
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35 import com.oracle.graal.asm.amd64.*;
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36 import com.oracle.graal.compiler.test.*;
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37
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38 /**
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39 * Ensures that frame omission works in cases where it is expected to.
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40 */
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41 public class AMD64HotSpotFrameOmissionTest extends GraalCompilerTest {
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42
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43 interface CodeGenerator {
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44
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45 void generateCode(AMD64Assembler asm);
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46 }
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47
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48 public static void test1snippet() {
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49 return;
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50 }
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51
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52 @Test
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53 public void test1() {
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54 testHelper("test1snippet", new CodeGenerator() {
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55
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56 @Override
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57 public void generateCode(AMD64Assembler asm) {
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58 asm.ret(0);
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59 }
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60 });
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61 }
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62
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63 public static int test2snippet(int x) {
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64 return x + 5;
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65 }
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66
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67 @Test
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68 public void test2() {
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69 testHelper("test2snippet", new CodeGenerator() {
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70
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71 @Override
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72 public void generateCode(AMD64Assembler asm) {
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73 Register arg = getArgumentRegister(0, Kind.Int);
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74 asm.addl(arg, 5);
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75 asm.movl(rax, arg);
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76 asm.ret(0);
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77 }
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78 });
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79 }
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80
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81 public static long test3snippet(long x) {
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82 return 1 + x;
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83 }
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84
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85 @Test
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86 public void test3() {
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87 testHelper("test3snippet", new CodeGenerator() {
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88
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89 @Override
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90 public void generateCode(AMD64Assembler asm) {
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91 Register arg = getArgumentRegister(0, Kind.Long);
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92 asm.addq(arg, 1);
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93 asm.movq(rax, arg);
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94 asm.ret(0);
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95 }
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96 });
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97 }
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98
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99 private void testHelper(String name, CodeGenerator gen) {
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100 Method method = getMethod(name);
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101 ResolvedJavaMethod javaMethod = runtime.lookupJavaMethod(method);
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102 InstalledCode installedCode = getCode(javaMethod, parse(method));
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103
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104 CodeCacheProvider codeCache = Graal.getRequiredCapability(CodeCacheProvider.class);
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105 TargetDescription target = codeCache.getTarget();
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106 RegisterConfig registerConfig = codeCache.lookupRegisterConfig();
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107 AMD64Assembler asm = new AMD64Assembler(target, registerConfig);
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108
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109 gen.generateCode(asm);
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110 byte[] expectedCode = asm.codeBuffer.close(true);
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111
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112 // Only compare up to expectedCode.length bytes to ignore
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113 // padding instructions adding during code installation
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114 byte[] actualCode = Arrays.copyOf(installedCode.getCode(), expectedCode.length);
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115
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116 Assert.assertArrayEquals(expectedCode, actualCode);
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117 }
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118
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119 private Register getArgumentRegister(int index, Kind kind) {
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120 Register[] regs = runtime.lookupRegisterConfig().getCallingConventionRegisters(CallingConvention.Type.JavaCall, kind);
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121 return regs[index];
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122 }
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123 }