Mercurial > hg > truffle
annotate graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/Assembly.java @ 3734:b55f2b8f83fd
Remove deprecated files.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 17 Dec 2011 20:34:58 +0100 |
parents | e233f5660da4 |
children | bc8527f3071c |
rev | line source |
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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); |
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140 } |
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141 } |
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142 } |