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1 /* |
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2 * Copyright (c) 1998, 2014, 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 */ |
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24 |
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25 #include "precompiled.hpp" |
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26 #include "compiler/compilerOracle.hpp" |
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27 #include "memory/allocation.inline.hpp" |
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28 #include "memory/oopFactory.hpp" |
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29 #include "memory/resourceArea.hpp" |
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30 #include "oops/klass.hpp" |
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31 #include "oops/method.hpp" |
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32 #include "oops/oop.inline.hpp" |
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33 #include "oops/symbol.hpp" |
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34 #include "runtime/handles.inline.hpp" |
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35 #include "runtime/jniHandles.hpp" |
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36 |
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37 class MethodMatcher : public CHeapObj<mtCompiler> { |
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38 public: |
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39 enum Mode { |
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40 Exact, |
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41 Prefix = 1, |
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42 Suffix = 2, |
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43 Substring = Prefix | Suffix, |
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44 Any, |
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45 Unknown = -1 |
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46 }; |
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47 |
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48 protected: |
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49 Symbol* _class_name; |
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50 Symbol* _method_name; |
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51 Symbol* _signature; |
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52 Mode _class_mode; |
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53 Mode _method_mode; |
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54 MethodMatcher* _next; |
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55 |
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56 static bool match(Symbol* candidate, Symbol* match, Mode match_mode); |
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57 |
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58 Symbol* class_name() const { return _class_name; } |
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59 Symbol* method_name() const { return _method_name; } |
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60 Symbol* signature() const { return _signature; } |
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61 |
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62 public: |
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63 MethodMatcher(Symbol* class_name, Mode class_mode, |
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64 Symbol* method_name, Mode method_mode, |
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65 Symbol* signature, MethodMatcher* next); |
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66 MethodMatcher(Symbol* class_name, Symbol* method_name, MethodMatcher* next); |
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67 |
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68 // utility method |
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69 MethodMatcher* find(methodHandle method) { |
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70 Symbol* class_name = method->method_holder()->name(); |
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71 Symbol* method_name = method->name(); |
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72 for (MethodMatcher* current = this; current != NULL; current = current->_next) { |
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73 if (match(class_name, current->class_name(), current->_class_mode) && |
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74 match(method_name, current->method_name(), current->_method_mode) && |
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75 (current->signature() == NULL || current->signature() == method->signature())) { |
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76 return current; |
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77 } |
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78 } |
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79 return NULL; |
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80 } |
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81 |
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82 bool match(methodHandle method) { |
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83 return find(method) != NULL; |
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84 } |
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85 |
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86 MethodMatcher* next() const { return _next; } |
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87 |
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88 static void print_symbol(Symbol* h, Mode mode) { |
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89 ResourceMark rm; |
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90 |
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91 if (mode == Suffix || mode == Substring || mode == Any) { |
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92 tty->print("*"); |
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93 } |
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94 if (mode != Any) { |
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95 h->print_symbol_on(tty); |
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96 } |
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97 if (mode == Prefix || mode == Substring) { |
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98 tty->print("*"); |
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99 } |
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100 } |
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101 |
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102 void print_base() { |
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103 print_symbol(class_name(), _class_mode); |
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104 tty->print("."); |
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105 print_symbol(method_name(), _method_mode); |
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106 if (signature() != NULL) { |
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107 tty->print(" "); |
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108 signature()->print_symbol_on(tty); |
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109 } |
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110 } |
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111 |
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112 virtual void print() { |
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113 print_base(); |
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114 tty->cr(); |
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115 } |
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116 }; |
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117 |
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118 MethodMatcher::MethodMatcher(Symbol* class_name, Symbol* method_name, MethodMatcher* next) { |
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119 _class_name = class_name; |
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120 _method_name = method_name; |
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121 _next = next; |
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122 _class_mode = MethodMatcher::Exact; |
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123 _method_mode = MethodMatcher::Exact; |
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124 _signature = NULL; |
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125 } |
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126 |
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127 |
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128 MethodMatcher::MethodMatcher(Symbol* class_name, Mode class_mode, |
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129 Symbol* method_name, Mode method_mode, |
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130 Symbol* signature, MethodMatcher* next): |
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131 _class_mode(class_mode) |
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132 , _method_mode(method_mode) |
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133 , _next(next) |
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134 , _class_name(class_name) |
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135 , _method_name(method_name) |
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136 , _signature(signature) { |
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137 } |
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138 |
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139 bool MethodMatcher::match(Symbol* candidate, Symbol* match, Mode match_mode) { |
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140 if (match_mode == Any) { |
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141 return true; |
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142 } |
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143 |
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144 if (match_mode == Exact) { |
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145 return candidate == match; |
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146 } |
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147 |
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148 ResourceMark rm; |
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149 const char * candidate_string = candidate->as_C_string(); |
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150 const char * match_string = match->as_C_string(); |
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151 |
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152 switch (match_mode) { |
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153 case Prefix: |
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154 return strstr(candidate_string, match_string) == candidate_string; |
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155 |
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156 case Suffix: { |
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157 size_t clen = strlen(candidate_string); |
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158 size_t mlen = strlen(match_string); |
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159 return clen >= mlen && strcmp(candidate_string + clen - mlen, match_string) == 0; |
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160 } |
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161 |
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162 case Substring: |
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163 return strstr(candidate_string, match_string) != NULL; |
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164 |
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165 default: |
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166 return false; |
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167 } |
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168 } |
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169 |
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170 |
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171 class MethodOptionMatcher: public MethodMatcher { |
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172 const char * option; |
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173 public: |
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174 MethodOptionMatcher(Symbol* class_name, Mode class_mode, |
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175 Symbol* method_name, Mode method_mode, |
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176 Symbol* signature, const char * opt, MethodMatcher* next): |
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177 MethodMatcher(class_name, class_mode, method_name, method_mode, signature, next) { |
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178 option = opt; |
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179 } |
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180 |
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181 bool match(methodHandle method, const char* opt) { |
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182 MethodOptionMatcher* current = this; |
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183 while (current != NULL) { |
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184 current = (MethodOptionMatcher*)current->find(method); |
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185 if (current == NULL) { |
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186 return false; |
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187 } |
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188 if (strcmp(current->option, opt) == 0) { |
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189 return true; |
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190 } |
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191 current = current->next(); |
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192 } |
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193 return false; |
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194 } |
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195 |
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196 MethodOptionMatcher* next() { |
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197 return (MethodOptionMatcher*)_next; |
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198 } |
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199 |
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200 virtual void print() { |
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201 print_base(); |
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202 tty->print(" %s", option); |
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203 tty->cr(); |
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204 } |
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205 }; |
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206 |
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207 |
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208 |
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209 // this must parallel the command_names below |
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210 enum OracleCommand { |
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211 UnknownCommand = -1, |
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212 OracleFirstCommand = 0, |
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213 BreakCommand = OracleFirstCommand, |
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214 PrintCommand, |
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215 ExcludeCommand, |
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216 InlineCommand, |
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217 DontInlineCommand, |
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218 CompileOnlyCommand, |
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219 LogCommand, |
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220 OptionCommand, |
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221 QuietCommand, |
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222 HelpCommand, |
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223 OracleCommandCount |
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224 }; |
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225 |
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226 // this must parallel the enum OracleCommand |
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227 static const char * command_names[] = { |
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228 "break", |
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229 "print", |
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230 "exclude", |
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231 "inline", |
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232 "dontinline", |
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233 "compileonly", |
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234 "log", |
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235 "option", |
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236 "quiet", |
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237 "help" |
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238 }; |
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239 |
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240 class MethodMatcher; |
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241 static MethodMatcher* lists[OracleCommandCount] = { 0, }; |
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242 |
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243 |
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244 static bool check_predicate(OracleCommand command, methodHandle method) { |
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245 return ((lists[command] != NULL) && |
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246 !method.is_null() && |
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247 lists[command]->match(method)); |
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248 } |
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249 |
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250 |
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251 static MethodMatcher* add_predicate(OracleCommand command, |
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252 Symbol* class_name, MethodMatcher::Mode c_mode, |
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253 Symbol* method_name, MethodMatcher::Mode m_mode, |
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254 Symbol* signature) { |
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255 assert(command != OptionCommand, "must use add_option_string"); |
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256 if (command == LogCommand && !LogCompilation && lists[LogCommand] == NULL) |
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257 tty->print_cr("Warning: +LogCompilation must be enabled in order for individual methods to be logged."); |
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258 lists[command] = new MethodMatcher(class_name, c_mode, method_name, m_mode, signature, lists[command]); |
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259 return lists[command]; |
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260 } |
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261 |
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262 |
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263 |
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264 static MethodMatcher* add_option_string(Symbol* class_name, MethodMatcher::Mode c_mode, |
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265 Symbol* method_name, MethodMatcher::Mode m_mode, |
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266 Symbol* signature, |
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267 const char* option) { |
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268 lists[OptionCommand] = new MethodOptionMatcher(class_name, c_mode, method_name, m_mode, |
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269 signature, option, lists[OptionCommand]); |
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270 return lists[OptionCommand]; |
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271 } |
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272 |
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273 |
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274 bool CompilerOracle::has_option_string(methodHandle method, const char* option) { |
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275 return lists[OptionCommand] != NULL && |
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276 ((MethodOptionMatcher*)lists[OptionCommand])->match(method, option); |
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277 } |
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278 |
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279 |
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280 bool CompilerOracle::should_exclude(methodHandle method, bool& quietly) { |
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281 quietly = true; |
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282 if (lists[ExcludeCommand] != NULL) { |
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283 if (lists[ExcludeCommand]->match(method)) { |
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284 quietly = _quiet; |
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285 return true; |
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286 } |
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287 } |
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288 |
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289 if (lists[CompileOnlyCommand] != NULL) { |
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290 return !lists[CompileOnlyCommand]->match(method); |
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291 } |
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292 return false; |
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293 } |
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294 |
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295 |
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296 bool CompilerOracle::should_inline(methodHandle method) { |
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297 return (check_predicate(InlineCommand, method)); |
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298 } |
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299 |
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300 |
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301 bool CompilerOracle::should_not_inline(methodHandle method) { |
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302 return (check_predicate(DontInlineCommand, method)); |
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303 } |
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304 |
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305 |
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306 bool CompilerOracle::should_print(methodHandle method) { |
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307 return (check_predicate(PrintCommand, method)); |
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308 } |
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309 |
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310 |
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311 bool CompilerOracle::should_log(methodHandle method) { |
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312 if (!LogCompilation) return false; |
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313 if (lists[LogCommand] == NULL) return true; // by default, log all |
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314 return (check_predicate(LogCommand, method)); |
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315 } |
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316 |
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317 |
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318 bool CompilerOracle::should_break_at(methodHandle method) { |
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319 return check_predicate(BreakCommand, method); |
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320 } |
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321 |
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322 |
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323 static OracleCommand parse_command_name(const char * line, int* bytes_read) { |
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324 assert(ARRAY_SIZE(command_names) == OracleCommandCount, |
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325 "command_names size mismatch"); |
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326 |
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327 *bytes_read = 0; |
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328 char command[33]; |
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329 int result = sscanf(line, "%32[a-z]%n", command, bytes_read); |
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330 for (uint i = 0; i < ARRAY_SIZE(command_names); i++) { |
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331 if (strcmp(command, command_names[i]) == 0) { |
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332 return (OracleCommand)i; |
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333 } |
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334 } |
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335 return UnknownCommand; |
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336 } |
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337 |
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338 |
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339 static void usage() { |
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340 tty->print_cr(" CompileCommand and the CompilerOracle allows simple control over"); |
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341 tty->print_cr(" what's allowed to be compiled. The standard supported directives"); |
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342 tty->print_cr(" are exclude and compileonly. The exclude directive stops a method"); |
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343 tty->print_cr(" from being compiled and compileonly excludes all methods except for"); |
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344 tty->print_cr(" the ones mentioned by compileonly directives. The basic form of"); |
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345 tty->print_cr(" all commands is a command name followed by the name of the method"); |
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346 tty->print_cr(" in one of two forms: the standard class file format as in"); |
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347 tty->print_cr(" class/name.methodName or the PrintCompilation format"); |
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348 tty->print_cr(" class.name::methodName. The method name can optionally be followed"); |
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349 tty->print_cr(" by a space then the signature of the method in the class file"); |
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350 tty->print_cr(" format. Otherwise the directive applies to all methods with the"); |
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351 tty->print_cr(" same name and class regardless of signature. Leading and trailing"); |
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352 tty->print_cr(" *'s in the class and/or method name allows a small amount of"); |
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353 tty->print_cr(" wildcarding. "); |
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354 tty->cr(); |
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355 tty->print_cr(" Examples:"); |
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356 tty->cr(); |
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357 tty->print_cr(" exclude java/lang/StringBuffer.append"); |
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358 tty->print_cr(" compileonly java/lang/StringBuffer.toString ()Ljava/lang/String;"); |
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359 tty->print_cr(" exclude java/lang/String*.*"); |
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360 tty->print_cr(" exclude *.toString"); |
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361 } |
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362 |
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363 |
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364 // The characters allowed in a class or method name. All characters > 0x7f |
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365 // are allowed in order to handle obfuscated class files (e.g. Volano) |
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366 #define RANGEBASE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789$_<>" \ |
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367 "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f" \ |
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368 "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f" \ |
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369 "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf" \ |
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370 "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf" \ |
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371 "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf" \ |
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372 "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf" \ |
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373 "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef" \ |
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374 "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff" |
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375 |
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376 #define RANGE0 "[*" RANGEBASE "]" |
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377 #define RANGEDOT "[*" RANGEBASE ".]" |
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378 #define RANGESLASH "[*" RANGEBASE "/]" |
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379 |
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380 |
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381 // Accept several syntaxes for these patterns |
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382 // original syntax |
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383 // cmd java.lang.String foo |
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384 // PrintCompilation syntax |
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385 // cmd java.lang.String::foo |
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386 // VM syntax |
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387 // cmd java/lang/String[. ]foo |
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388 // |
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389 |
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390 static const char* patterns[] = { |
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391 "%*[ \t]%255" RANGEDOT " " "%255" RANGE0 "%n", |
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392 "%*[ \t]%255" RANGEDOT "::" "%255" RANGE0 "%n", |
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393 "%*[ \t]%255" RANGESLASH "%*[ .]" "%255" RANGE0 "%n", |
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394 }; |
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395 |
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396 static MethodMatcher::Mode check_mode(char name[], const char*& error_msg) { |
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397 int match = MethodMatcher::Exact; |
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398 while (name[0] == '*') { |
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399 match |= MethodMatcher::Suffix; |
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400 strcpy(name, name + 1); |
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401 } |
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402 |
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403 if (strcmp(name, "*") == 0) return MethodMatcher::Any; |
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404 |
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405 size_t len = strlen(name); |
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406 while (len > 0 && name[len - 1] == '*') { |
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407 match |= MethodMatcher::Prefix; |
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408 name[--len] = '\0'; |
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409 } |
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410 |
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411 if (strstr(name, "*") != NULL) { |
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412 error_msg = " Embedded * not allowed"; |
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413 return MethodMatcher::Unknown; |
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414 } |
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415 return (MethodMatcher::Mode)match; |
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416 } |
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417 |
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418 static bool scan_line(const char * line, |
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419 char class_name[], MethodMatcher::Mode* c_mode, |
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420 char method_name[], MethodMatcher::Mode* m_mode, |
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421 int* bytes_read, const char*& error_msg) { |
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422 *bytes_read = 0; |
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423 error_msg = NULL; |
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424 for (uint i = 0; i < ARRAY_SIZE(patterns); i++) { |
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425 if (2 == sscanf(line, patterns[i], class_name, method_name, bytes_read)) { |
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426 *c_mode = check_mode(class_name, error_msg); |
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427 *m_mode = check_mode(method_name, error_msg); |
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428 return *c_mode != MethodMatcher::Unknown && *m_mode != MethodMatcher::Unknown; |
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429 } |
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430 } |
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431 return false; |
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432 } |
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433 |
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434 |
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435 |
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436 void CompilerOracle::parse_from_line(char* line) { |
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437 if (line[0] == '\0') return; |
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438 if (line[0] == '#') return; |
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439 |
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440 bool have_colon = (strstr(line, "::") != NULL); |
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441 for (char* lp = line; *lp != '\0'; lp++) { |
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442 // Allow '.' to separate the class name from the method name. |
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443 // This is the preferred spelling of methods: |
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444 // exclude java/lang/String.indexOf(I)I |
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445 // Allow ',' for spaces (eases command line quoting). |
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446 // exclude,java/lang/String.indexOf |
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447 // For backward compatibility, allow space as separator also. |
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448 // exclude java/lang/String indexOf |
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449 // exclude,java/lang/String,indexOf |
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450 // For easy cut-and-paste of method names, allow VM output format |
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451 // as produced by Method::print_short_name: |
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452 // exclude java.lang.String::indexOf |
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453 // For simple implementation convenience here, convert them all to space. |
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454 if (have_colon) { |
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455 if (*lp == '.') *lp = '/'; // dots build the package prefix |
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456 if (*lp == ':') *lp = ' '; |
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457 } |
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458 if (*lp == ',' || *lp == '.') *lp = ' '; |
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459 } |
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460 |
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461 char* original_line = line; |
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462 int bytes_read; |
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463 OracleCommand command = parse_command_name(line, &bytes_read); |
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464 line += bytes_read; |
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465 |
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466 if (command == UnknownCommand) { |
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467 tty->print_cr("CompilerOracle: unrecognized line"); |
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468 tty->print_cr(" \"%s\"", original_line); |
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469 return; |
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470 } |
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471 |
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472 if (command == QuietCommand) { |
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473 _quiet = true; |
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474 return; |
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475 } |
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476 |
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477 if (command == HelpCommand) { |
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478 usage(); |
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479 return; |
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480 } |
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481 |
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482 MethodMatcher::Mode c_match = MethodMatcher::Exact; |
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483 MethodMatcher::Mode m_match = MethodMatcher::Exact; |
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484 char class_name[256]; |
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485 char method_name[256]; |
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486 char sig[1024]; |
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487 char errorbuf[1024]; |
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488 const char* error_msg = NULL; |
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489 MethodMatcher* match = NULL; |
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490 |
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491 if (scan_line(line, class_name, &c_match, method_name, &m_match, &bytes_read, error_msg)) { |
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492 EXCEPTION_MARK; |
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493 Symbol* c_name = SymbolTable::new_symbol(class_name, CHECK); |
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494 Symbol* m_name = SymbolTable::new_symbol(method_name, CHECK); |
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495 Symbol* signature = NULL; |
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496 |
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497 line += bytes_read; |
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498 // there might be a signature following the method. |
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499 // signatures always begin with ( so match that by hand |
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500 if (1 == sscanf(line, "%*[ \t](%254[[);/" RANGEBASE "]%n", sig + 1, &bytes_read)) { |
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501 sig[0] = '('; |
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502 line += bytes_read; |
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503 signature = SymbolTable::new_symbol(sig, CHECK); |
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504 } |
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505 |
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506 if (command == OptionCommand) { |
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507 // Look for trailing options to support |
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508 // ciMethod::has_option("string") to control features in the |
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509 // compiler. Multiple options may follow the method name. |
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510 char option[256]; |
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511 while (sscanf(line, "%*[ \t]%255[a-zA-Z0-9]%n", option, &bytes_read) == 1) { |
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512 if (match != NULL && !_quiet) { |
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513 // Print out the last match added |
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514 tty->print("CompilerOracle: %s ", command_names[command]); |
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515 match->print(); |
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516 } |
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517 match = add_option_string(c_name, c_match, m_name, m_match, signature, strdup(option)); |
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518 line += bytes_read; |
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519 } |
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520 } else { |
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521 bytes_read = 0; |
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522 sscanf(line, "%*[ \t]%n", &bytes_read); |
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523 if (line[bytes_read] != '\0') { |
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524 jio_snprintf(errorbuf, sizeof(errorbuf), " Unrecognized text after command: %s", line); |
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525 error_msg = errorbuf; |
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526 } else { |
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527 match = add_predicate(command, c_name, c_match, m_name, m_match, signature); |
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528 } |
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529 } |
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530 } |
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531 |
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532 if (match != NULL) { |
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533 if (!_quiet) { |
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534 ResourceMark rm; |
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535 tty->print("CompilerOracle: %s ", command_names[command]); |
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536 match->print(); |
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537 } |
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538 } else { |
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539 tty->print_cr("CompilerOracle: unrecognized line"); |
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540 tty->print_cr(" \"%s\"", original_line); |
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541 if (error_msg != NULL) { |
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542 tty->print_cr("%s", error_msg); |
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543 } |
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544 } |
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545 } |
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546 |
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547 static const char* default_cc_file = ".hotspot_compiler"; |
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548 |
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549 static const char* cc_file() { |
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550 #ifdef ASSERT |
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551 if (CompileCommandFile == NULL) |
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552 return default_cc_file; |
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553 #endif |
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554 return CompileCommandFile; |
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555 } |
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556 |
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557 bool CompilerOracle::has_command_file() { |
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558 return cc_file() != NULL; |
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559 } |
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560 |
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561 bool CompilerOracle::_quiet = false; |
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562 |
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563 void CompilerOracle::parse_from_file() { |
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564 assert(has_command_file(), "command file must be specified"); |
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565 FILE* stream = fopen(cc_file(), "rt"); |
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566 if (stream == NULL) return; |
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567 |
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568 char token[1024]; |
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569 int pos = 0; |
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570 int c = getc(stream); |
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571 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
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572 if (c == '\n') { |
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573 token[pos++] = '\0'; |
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574 parse_from_line(token); |
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575 pos = 0; |
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576 } else { |
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577 token[pos++] = c; |
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578 } |
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579 c = getc(stream); |
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580 } |
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581 token[pos++] = '\0'; |
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582 parse_from_line(token); |
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583 |
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584 fclose(stream); |
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585 } |
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586 |
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587 void CompilerOracle::parse_from_string(const char* str, void (*parse_line)(char*)) { |
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588 char token[1024]; |
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589 int pos = 0; |
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590 const char* sp = str; |
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591 int c = *sp++; |
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592 while (c != '\0' && pos < (int)(sizeof(token)-1)) { |
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593 if (c == '\n') { |
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594 token[pos++] = '\0'; |
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595 parse_line(token); |
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596 pos = 0; |
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597 } else { |
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598 token[pos++] = c; |
|
599 } |
|
600 c = *sp++; |
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601 } |
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602 token[pos++] = '\0'; |
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603 parse_line(token); |
|
604 } |
|
605 |
|
606 void CompilerOracle::append_comment_to_file(const char* message) { |
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607 assert(has_command_file(), "command file must be specified"); |
|
608 fileStream stream(fopen(cc_file(), "at")); |
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609 stream.print("# "); |
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610 for (int index = 0; message[index] != '\0'; index++) { |
|
611 stream.put(message[index]); |
|
612 if (message[index] == '\n') stream.print("# "); |
|
613 } |
|
614 stream.cr(); |
|
615 } |
|
616 |
|
617 void CompilerOracle::append_exclude_to_file(methodHandle method) { |
|
618 assert(has_command_file(), "command file must be specified"); |
|
619 fileStream stream(fopen(cc_file(), "at")); |
|
620 stream.print("exclude "); |
|
621 method->method_holder()->name()->print_symbol_on(&stream); |
|
622 stream.print("."); |
|
623 method->name()->print_symbol_on(&stream); |
|
624 method->signature()->print_symbol_on(&stream); |
|
625 stream.cr(); |
|
626 stream.cr(); |
|
627 } |
|
628 |
|
629 |
|
630 void compilerOracle_init() { |
|
631 CompilerOracle::parse_from_string(CompileCommand, CompilerOracle::parse_from_line); |
|
632 CompilerOracle::parse_from_string(CompileOnly, CompilerOracle::parse_compile_only); |
|
633 if (CompilerOracle::has_command_file()) { |
|
634 CompilerOracle::parse_from_file(); |
|
635 } else { |
|
636 struct stat buf; |
|
637 if (os::stat(default_cc_file, &buf) == 0) { |
|
638 warning("%s file is present but has been ignored. " |
|
639 "Run with -XX:CompileCommandFile=%s to load the file.", |
|
640 default_cc_file, default_cc_file); |
|
641 } |
|
642 } |
|
643 if (lists[PrintCommand] != NULL) { |
|
644 if (PrintAssembly) { |
|
645 warning("CompileCommand and/or %s file contains 'print' commands, but PrintAssembly is also enabled", default_cc_file); |
|
646 } else if (FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
|
647 warning("printing of assembly code is enabled; turning on DebugNonSafepoints to gain additional output"); |
|
648 DebugNonSafepoints = true; |
|
649 } |
|
650 } |
|
651 } |
|
652 |
|
653 |
|
654 void CompilerOracle::parse_compile_only(char * line) { |
|
655 int i; |
|
656 char name[1024]; |
|
657 const char* className = NULL; |
|
658 const char* methodName = NULL; |
|
659 |
|
660 bool have_colon = (strstr(line, "::") != NULL); |
|
661 char method_sep = have_colon ? ':' : '.'; |
|
662 |
|
663 if (Verbose) { |
|
664 tty->print_cr("%s", line); |
|
665 } |
|
666 |
|
667 ResourceMark rm; |
|
668 while (*line != '\0') { |
|
669 MethodMatcher::Mode c_match = MethodMatcher::Exact; |
|
670 MethodMatcher::Mode m_match = MethodMatcher::Exact; |
|
671 |
|
672 for (i = 0; |
|
673 i < 1024 && *line != '\0' && *line != method_sep && *line != ',' && !isspace(*line); |
|
674 line++, i++) { |
|
675 name[i] = *line; |
|
676 if (name[i] == '.') name[i] = '/'; // package prefix uses '/' |
|
677 } |
|
678 |
|
679 if (i > 0) { |
|
680 char* newName = NEW_RESOURCE_ARRAY( char, i + 1); |
|
681 if (newName == NULL) |
|
682 return; |
|
683 strncpy(newName, name, i); |
|
684 newName[i] = '\0'; |
|
685 |
|
686 if (className == NULL) { |
|
687 className = newName; |
|
688 c_match = MethodMatcher::Prefix; |
|
689 } else { |
|
690 methodName = newName; |
|
691 } |
|
692 } |
|
693 |
|
694 if (*line == method_sep) { |
|
695 if (className == NULL) { |
|
696 className = ""; |
|
697 c_match = MethodMatcher::Any; |
|
698 } else { |
|
699 // foo/bar.blah is an exact match on foo/bar, bar.blah is a suffix match on bar |
|
700 if (strchr(className, '/') != NULL) { |
|
701 c_match = MethodMatcher::Exact; |
|
702 } else { |
|
703 c_match = MethodMatcher::Suffix; |
|
704 } |
|
705 } |
|
706 } else { |
|
707 // got foo or foo/bar |
|
708 if (className == NULL) { |
|
709 ShouldNotReachHere(); |
|
710 } else { |
|
711 // got foo or foo/bar |
|
712 if (strchr(className, '/') != NULL) { |
|
713 c_match = MethodMatcher::Prefix; |
|
714 } else if (className[0] == '\0') { |
|
715 c_match = MethodMatcher::Any; |
|
716 } else { |
|
717 c_match = MethodMatcher::Substring; |
|
718 } |
|
719 } |
|
720 } |
|
721 |
|
722 // each directive is terminated by , or NUL or . followed by NUL |
|
723 if (*line == ',' || *line == '\0' || (line[0] == '.' && line[1] == '\0')) { |
|
724 if (methodName == NULL) { |
|
725 methodName = ""; |
|
726 if (*line != method_sep) { |
|
727 m_match = MethodMatcher::Any; |
|
728 } |
|
729 } |
|
730 |
|
731 EXCEPTION_MARK; |
|
732 Symbol* c_name = SymbolTable::new_symbol(className, CHECK); |
|
733 Symbol* m_name = SymbolTable::new_symbol(methodName, CHECK); |
|
734 Symbol* signature = NULL; |
|
735 |
|
736 add_predicate(CompileOnlyCommand, c_name, c_match, m_name, m_match, signature); |
|
737 if (PrintVMOptions) { |
|
738 tty->print("CompileOnly: compileonly "); |
|
739 lists[CompileOnlyCommand]->print(); |
|
740 } |
|
741 |
|
742 className = NULL; |
|
743 methodName = NULL; |
|
744 } |
|
745 |
|
746 line = *line == '\0' ? line : line + 1; |
|
747 } |
|
748 } |