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annotate graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/cisc/x86/X86AssemblyTester.java @ 4142:bc8527f3071c

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Adjust code base to new level of warnings.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sun, 18 Dec 2011 05:24:06 +0100
parents e233f5660da4
children
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1 /*
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2 * Copyright (c) 2007, 2011, 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.sun.max.asm.gen.cisc.x86;
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24
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25 import java.io.*;
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26 import java.util.*;
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27
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28 import com.sun.max.*;
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29 import com.sun.max.asm.*;
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30 import com.sun.max.asm.gen.*;
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31 import com.sun.max.asm.x86.*;
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32 import com.sun.max.io.*;
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33 import com.sun.max.lang.*;
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34
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35 /**
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36 */
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37 public abstract class X86AssemblyTester<Template_Type extends X86Template>
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38 extends AssemblyTester<Template_Type> {
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39
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40 public X86AssemblyTester(Assembly<Template_Type> assembly, WordWidth addressWidth, EnumSet<AssemblyTestComponent> components) {
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41 super(assembly, addressWidth, components);
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42 }
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43
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44 @Override
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45 public X86Assembly<Template_Type> assembly() {
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46 final Class<X86Assembly<Template_Type>> type = null;
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47 return Utils.cast(type, super.assembly());
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48 }
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49
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50 private static String getSibIndexAndScale(Queue<X86Operand> operands, Queue<Argument> arguments) {
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51 X86Parameter parameter = (X86Parameter) operands.remove();
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52 assert parameter.place() == ParameterPlace.SIB_INDEX || parameter.place() == ParameterPlace.SIB_INDEX_REXX;
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53 final String result = arguments.remove().externalValue() + ",";
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54 parameter = (X86Parameter) operands.remove();
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55 assert parameter.place() == ParameterPlace.SIB_SCALE;
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56 return result + arguments.remove().externalValue() + ")";
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57 }
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58
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59 private static String getOperand(X86Template template, Queue<X86Operand> operands, Queue<Argument> arguments, String label) {
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60 final X86Operand operand = operands.remove();
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61 if (operand instanceof ImplicitOperand) {
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62 final ImplicitOperand implicitOperand = (ImplicitOperand) operand;
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63 if (implicitOperand.externalPresence() == ImplicitOperand.ExternalPresence.OMITTED) {
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64 return "";
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65 }
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66 final Argument argument = implicitOperand.argument();
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67 if (argument instanceof ImmediateArgument) {
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68 return "$" + implicitOperand.argument().externalValue();
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69 }
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70 return implicitOperand.argument().externalValue();
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71 }
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72 final X86Parameter parameter = (X86Parameter) operand;
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73 final Argument argument = arguments.remove();
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74 if (parameter instanceof X86DisplacementParameter) {
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75 assert parameter.place() == ParameterPlace.APPEND;
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76 final ImmediateArgument immediateArgument = (ImmediateArgument) argument;
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77 String prefix = immediateArgument.signedExternalValue() + "(";
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78 final X86Parameter nextParameter = (X86Parameter) operands.element();
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79 if (IndirectRegister.class.isAssignableFrom(nextParameter.type())) {
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80 operands.remove();
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81 return prefix + arguments.remove().externalValue() + ")";
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82 }
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83 if (nextParameter.place() == ParameterPlace.SIB_BASE || nextParameter.place() == ParameterPlace.SIB_BASE_REXB) {
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84 operands.remove();
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85 prefix += arguments.remove().externalValue() + ",";
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86 }
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87 return prefix + getSibIndexAndScale(operands, arguments);
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88 }
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89 if (parameter.place() == ParameterPlace.SIB_BASE || parameter.place() == ParameterPlace.SIB_BASE_REXB) {
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90 return "(" + argument.externalValue() + "," + getSibIndexAndScale(operands, arguments);
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91 }
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92 if (IndirectRegister.class.isAssignableFrom(parameter.type())) {
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93 return "(" + argument.externalValue() + ")";
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94 }
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95 if (parameter instanceof X86AddressParameter) {
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96 final X86Operand nextOperand = operands.peek();
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97 if (nextOperand instanceof X86Parameter) {
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98 final X86Parameter nextParameter = (X86Parameter) nextOperand;
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99 if (nextParameter.place() == ParameterPlace.SIB_INDEX || nextParameter.place() == ParameterPlace.SIB_INDEX_REXX) {
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100 return argument.externalValue() + "(," + getSibIndexAndScale(operands, arguments);
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101 }
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102 }
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103 }
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104 if (parameter instanceof X86OffsetParameter) {
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105 if (template.addressSizeAttribute() == WordWidth.BITS_64 && template.rmCase() == X86TemplateContext.RMCase.SDWORD) {
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106 return argument.externalValue() + "(%rip)";
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107 }
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108 final ImmediateArgument immediateArgument = (ImmediateArgument) argument;
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109 return label + " + (" + immediateArgument.signedExternalValue() + ")";
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110 }
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111 if (parameter.getClass() == X86ImmediateParameter.class) {
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112 return "$" + argument.externalValue();
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113 }
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114 return argument.externalValue();
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115 }
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116
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117 /**
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118 * Yes, 'X86DisassembledInstruction.toString()' may be similar,
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119 * but it pertains only to our own private disassembly output style,
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120 * whereas here, we have to comply strictly with the requirements of GNU asm (gas).
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121 * We keep these two objectives completely separate and
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122 * we want to keep the code in this file here stable.
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123 */
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124 @Override
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125 protected void assembleExternally(IndentWriter stream, Template_Type template, List<Argument> argumentList, String label) {
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126 final WordWidth externalCodeSizeAttribute = template.externalCodeSizeAttribute();
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127 if (externalCodeSizeAttribute != null) {
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128 stream.println(".code" + externalCodeSizeAttribute.numberOfBits);
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129 } else {
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130 stream.println(".code" + addressWidth().numberOfBits);
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131 }
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132 final LinkedList<X86Operand> operandQueue = new LinkedList<>(template.operands());
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133 final LinkedList<Argument> argumentQueue = new LinkedList<>(argumentList);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
134 String first = "";
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
135 if (!operandQueue.isEmpty()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
136 first = getOperand(template, operandQueue, argumentQueue, label);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
137 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
138 String second = "";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
139 if (!operandQueue.isEmpty()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
140 second = getOperand(template, operandQueue, argumentQueue, label);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
141 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
142 String third = "";
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
143 if (!operandQueue.isEmpty()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
144 third = getOperand(template, operandQueue, argumentQueue, label);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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145 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
146
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
147 stream.print(template.externalName());
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
148 stream.print(" ");
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
149 if (third.length() > 0) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
150 stream.print(third + ",");
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
151 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
152 if (template.isExternalOperandOrderingInverted()) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
153 if (second.length() > 0) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
154 stream.print(second + ",");
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
155 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
156 stream.println(first);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
157 } else {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
158 if (first.length() > 0) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
159 stream.print(first + ",");
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
160 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
161 stream.println(second);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
162 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
163 stream.outdent();
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
164 stream.println(label + ":");
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
165 stream.indent();
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
166 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
167
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
168 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
169 protected byte[] readExternalInstruction(PushbackInputStream externalInputStream, Template_Type template, byte[] internalBytes) throws IOException {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
170 if (X86Opcode.isFloatingPointEscape(template.opcode1())) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
171 // We skip FWAIT instructions that the external assembler may inject before floating point operations
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
172 final int externalOpcode = externalInputStream.read();
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
173 if (externalOpcode != X86Opcode.FWAIT.ordinal()) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
174 externalInputStream.unread(externalOpcode);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
175 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
176 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
177 final byte[] externalBytes = new byte[internalBytes.length];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
178 int i = 0;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
179 final WordWidth externalCodeSizeAttribute = template.externalCodeSizeAttribute();
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
180 if (externalCodeSizeAttribute != null && externalCodeSizeAttribute != addressWidth()) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
181 if (template.addressSizeAttribute() == externalCodeSizeAttribute) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
182 assert internalBytes[0] == X86Opcode.ADDRESS_SIZE.byteValue();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
183 externalBytes[i++] = X86Opcode.ADDRESS_SIZE.byteValue();
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
184 } else {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
185 assert internalBytes[0] != X86Opcode.ADDRESS_SIZE.byteValue();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
186 final int externalOpcode = externalInputStream.read();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
187 if (externalOpcode != X86Opcode.ADDRESS_SIZE.ordinal()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
188 externalInputStream.unread(externalOpcode);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
189 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
190 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
191 if (template.instructionSelectionPrefix() != HexByte._66) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
192 if (template.operandSizeAttribute() == externalCodeSizeAttribute && externalCodeSizeAttribute == WordWidth.BITS_16) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
193 assert internalBytes[i] == X86Opcode.OPERAND_SIZE.byteValue();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
194 externalBytes[i++] = X86Opcode.OPERAND_SIZE.byteValue();
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
195 } else if (template.operandSizeAttribute() != WordWidth.BITS_16) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
196 assert internalBytes[i] != X86Opcode.OPERAND_SIZE.byteValue();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
197 final int externalOpcode = externalInputStream.read();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
198 if (externalOpcode != X86Opcode.OPERAND_SIZE.ordinal()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
199 externalInputStream.unread(externalOpcode);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
200 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
201 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
202 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
203 if (externalCodeSizeAttribute != WordWidth.BITS_64 && template.operandSizeAttribute() == WordWidth.BITS_64 &&
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
204 template.instructionDescription().defaultOperandSize() != WordWidth.BITS_64) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
205 assert 0x40 <= internalBytes[i] && internalBytes[i] <= 0x4F; // is REX prefix
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
206 externalBytes[i] = internalBytes[i];
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
207 i++;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
208 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
209 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
210 while (i < externalBytes.length) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
211 externalBytes[i] = (byte) externalInputStream.read();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
212 i++;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
213 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
214 return externalBytes;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
215 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
216
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
217 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
218 protected boolean readNop(InputStream stream) throws IOException {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
219 final int instruction = stream.read();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
220 return instruction == 0x90;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
221 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
222
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
223 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
224 protected String disassembleFields(Template_Type template, byte[] assembledInstruction) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
225 return "<not yet implemented>";
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
226 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
227 }