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annotate graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/Assembly.java @ 4138:82af018d61db

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Merge fixes.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sat, 17 Dec 2011 22:03:44 +0100
parents e233f5660da4
children bc8527f3071c
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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;
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24
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25 import java.lang.reflect.*;
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26 import java.util.*;
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27
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28 import com.sun.max.asm.*;
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29 import com.sun.max.asm.gen.risc.bitRange.*;
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30 import com.sun.max.lang.*;
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31 import com.sun.max.program.*;
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32
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33 /**
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34 * An assembly framework, instantiated once per instruction set.
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35 */
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36 public abstract class Assembly<Template_Type extends Template> {
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37
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38 private final ISA isa;
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39 private final Class<Template_Type> templateType;
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40
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41 protected Assembly(ISA isa, Class<Template_Type> templateType) {
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42 this.isa = isa;
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43 this.templateType = templateType;
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44 }
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45
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46 public ISA isa() {
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47 return isa;
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48 }
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49
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50 public Class<Template_Type> templateType() {
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51 return templateType;
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52 }
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53
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54 protected abstract List<Template_Type> createTemplates();
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55
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56 private List<Template_Type> templates;
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57 private List<Template_Type> labelTemplates;
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58
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59 public final List<Template_Type> templates() {
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60 if (templates == null) {
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61 templates = createTemplates();
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62 }
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63 return templates;
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64 }
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65
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66 public final List<Template_Type> labelTemplates() {
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67 if (labelTemplates == null) {
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68 labelTemplates = new LinkedList<Template_Type>();
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69 for (Template_Type template : templates()) {
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70 if (!template.isRedundant() && template.labelParameterIndex() >= 0) {
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71 labelTemplates.add(template);
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72 }
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73 }
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74 }
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75 return labelTemplates;
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76 }
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77
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78 public abstract BitRangeOrder bitRangeEndianness();
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79
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80 private Object getBoxedJavaValue(Argument argument) {
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81 if (argument instanceof ImmediateArgument) {
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82 final ImmediateArgument immediateArgument = (ImmediateArgument) argument;
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83 return immediateArgument.boxedJavaValue();
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84 }
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85 return argument;
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86 }
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87
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88 public final String createMethodCallString(Template template, List<Argument> argumentList) {
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89 assert argumentList.size() == template.parameters().size();
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90 String call = template.assemblerMethodName() + "(";
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91 for (int i = 0; i < argumentList.size(); i++) {
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92 call += ((i == 0) ? "" : ", ") + getBoxedJavaValue(argumentList.get(i));
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93 }
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94 return call + ")";
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95 }
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96
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97 private Method getAssemblerMethod(Assembler assembler, Template template, Class[] parameterTypes) throws NoSuchAssemblerMethodError {
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98 try {
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99 return assembler.getClass().getMethod(template.assemblerMethodName(), parameterTypes);
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100 } catch (NoSuchMethodException e) {
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101 throw new NoSuchAssemblerMethodError(e.getMessage(), template);
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102 }
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103 }
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104
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105 private Method getAssemblerMethod(Assembler assembler, Template template, List<Argument> arguments) throws NoSuchAssemblerMethodError {
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106 final Class[] parameterTypes = template.parameterTypes();
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107 final int index = template.labelParameterIndex();
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108 if (index >= 0 && arguments.get(index) instanceof Label) {
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109 parameterTypes[index] = Label.class;
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110 return getAssemblerMethod(assembler, template, parameterTypes);
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111 }
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112 if (template.assemblerMethod == null) {
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113 template.assemblerMethod = getAssemblerMethod(assembler, template, parameterTypes);
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114 }
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115 return template.assemblerMethod;
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116 }
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117
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118 public void assemble(Assembler assembler, Template template, List<Argument> arguments) throws AssemblyException, NoSuchAssemblerMethodError {
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119 assert arguments.size() == template.parameters().size();
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120 final Method assemblerMethod = getAssemblerMethod(assembler, template, arguments);
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121 final Object[] objects = new Object[arguments.size()];
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122 for (int i = 0; i < arguments.size(); i++) {
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123 objects[i] = getBoxedJavaValue(arguments.get(i));
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124 }
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125 try {
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126 assemblerMethod.invoke(assembler, objects);
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127 } catch (IllegalArgumentException illegalArgumentException) {
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128 throw ProgramError.unexpected("argument type mismatch", illegalArgumentException);
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129 } catch (IllegalAccessException illegalAccessException) {
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130 throw ProgramError.unexpected("illegal access to assembler method unexpected", illegalAccessException);
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131 } catch (InvocationTargetException invocationTargetException) {
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132 final Throwable target = invocationTargetException.getTargetException();
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133 if (target instanceof AssemblyException) {
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134 throw (AssemblyException) target;
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135 }
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136 if (target instanceof IllegalArgumentException) {
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137 throw (AssemblyException) new AssemblyException(target.getMessage()).initCause(target);
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138 }
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139 throw ProgramError.unexpected(invocationTargetException);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
140 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
141 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
142 }