0
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1 /*
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2 * Copyright 1998-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 #include "incls/_precompiled.incl"
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26 #include "incls/_compilerOracle.cpp.incl"
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27
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28 class MethodMatcher : public CHeapObj {
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29 public:
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30 enum Mode {
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31 Exact,
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32 Prefix = 1,
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33 Suffix = 2,
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34 Substring = Prefix | Suffix,
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35 Any,
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36 Unknown = -1
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37 };
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38
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39 protected:
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40 jobject _class_name;
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41 Mode _class_mode;
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42 jobject _method_name;
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43 Mode _method_mode;
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44 jobject _signature;
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45 MethodMatcher* _next;
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46
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47 static bool match(symbolHandle candidate, symbolHandle match, Mode match_mode);
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48
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49 symbolHandle class_name() const { return (symbolOop)JNIHandles::resolve_non_null(_class_name); }
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50 symbolHandle method_name() const { return (symbolOop)JNIHandles::resolve_non_null(_method_name); }
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51 symbolHandle signature() const { return (symbolOop)JNIHandles::resolve(_signature); }
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52
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53 public:
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54 MethodMatcher(symbolHandle class_name, Mode class_mode,
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55 symbolHandle method_name, Mode method_mode,
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56 symbolHandle signature, MethodMatcher* next);
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57 MethodMatcher(symbolHandle class_name, symbolHandle method_name, MethodMatcher* next);
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58
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59 // utility method
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60 MethodMatcher* find(methodHandle method) {
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61 symbolHandle class_name = Klass::cast(method->method_holder())->name();
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62 symbolHandle method_name = method->name();
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63 for (MethodMatcher* current = this; current != NULL; current = current->_next) {
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64 if (match(class_name, current->class_name(), current->_class_mode) &&
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65 match(method_name, current->method_name(), current->_method_mode) &&
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66 (current->signature().is_null() || current->signature()() == method->signature())) {
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67 return current;
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68 }
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69 }
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70 return NULL;
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71 }
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72
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73 bool match(methodHandle method) {
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74 return find(method) != NULL;
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75 }
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76
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77 MethodMatcher* next() const { return _next; }
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78
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79 static void print_symbol(symbolHandle h, Mode mode) {
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80 ResourceMark rm;
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81
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82 if (mode == Suffix || mode == Substring || mode == Any) {
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83 tty->print("*");
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84 }
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85 if (mode != Any) {
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86 h()->print_symbol_on(tty);
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87 }
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88 if (mode == Prefix || mode == Substring) {
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89 tty->print("*");
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90 }
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91 }
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92
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93 void print_base() {
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94 print_symbol(class_name(), _class_mode);
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95 tty->print(".");
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96 print_symbol(method_name(), _method_mode);
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97 if (!signature().is_null()) {
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98 tty->print(" ");
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99 signature()->print_symbol_on(tty);
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100 }
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101 }
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102
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103 virtual void print() {
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104 print_base();
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105 tty->cr();
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106 }
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107 };
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108
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109 MethodMatcher::MethodMatcher(symbolHandle class_name, symbolHandle method_name, MethodMatcher* next) {
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110 _class_name = JNIHandles::make_global(class_name);
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111 _method_name = JNIHandles::make_global(method_name);
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112 _next = next;
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113 _class_mode = MethodMatcher::Exact;
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114 _method_mode = MethodMatcher::Exact;
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115 _signature = NULL;
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116 }
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117
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118
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119 MethodMatcher::MethodMatcher(symbolHandle class_name, Mode class_mode,
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120 symbolHandle method_name, Mode method_mode,
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121 symbolHandle signature, MethodMatcher* next):
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122 _class_mode(class_mode)
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123 , _method_mode(method_mode)
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124 , _next(next)
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125 , _class_name(JNIHandles::make_global(class_name()))
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126 , _method_name(JNIHandles::make_global(method_name()))
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127 , _signature(JNIHandles::make_global(signature())) {
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128 }
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129
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130 bool MethodMatcher::match(symbolHandle candidate, symbolHandle match, Mode match_mode) {
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131 if (match_mode == Any) {
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132 return true;
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133 }
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134
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135 if (match_mode == Exact) {
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136 return candidate() == match();
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137 }
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138
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139 ResourceMark rm;
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140 const char * candidate_string = candidate->as_C_string();
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141 const char * match_string = match->as_C_string();
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142
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143 switch (match_mode) {
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144 case Prefix:
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145 return strstr(candidate_string, match_string) == candidate_string;
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146
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147 case Suffix: {
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148 size_t clen = strlen(candidate_string);
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149 size_t mlen = strlen(match_string);
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150 return clen >= mlen && strcmp(candidate_string + clen - mlen, match_string) == 0;
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151 }
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152
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153 case Substring:
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154 return strstr(candidate_string, match_string) != NULL;
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155
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156 default:
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157 return false;
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158 }
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159 }
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160
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161
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162 class MethodOptionMatcher: public MethodMatcher {
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163 const char * option;
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164 public:
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165 MethodOptionMatcher(symbolHandle class_name, Mode class_mode,
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166 symbolHandle method_name, Mode method_mode,
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167 symbolHandle signature, const char * opt, MethodMatcher* next):
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168 MethodMatcher(class_name, class_mode, method_name, method_mode, signature, next) {
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169 option = opt;
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170 }
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171
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172 bool match(methodHandle method, const char* opt) {
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173 MethodOptionMatcher* current = this;
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174 while (current != NULL) {
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175 current = (MethodOptionMatcher*)current->find(method);
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176 if (current == NULL) {
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177 return false;
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178 }
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179 if (strcmp(current->option, opt) == 0) {
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180 return true;
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181 }
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182 current = current->next();
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183 }
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184 return false;
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185 }
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186
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187 MethodOptionMatcher* next() {
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188 return (MethodOptionMatcher*)_next;
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189 }
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190
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191 virtual void print() {
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192 print_base();
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193 tty->print(" %s", option);
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194 tty->cr();
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195 }
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196 };
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197
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198
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199
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200 // this must parallel the command_names below
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201 enum OracleCommand {
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202 UnknownCommand = -1,
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203 OracleFirstCommand = 0,
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204 BreakCommand = OracleFirstCommand,
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205 PrintCommand,
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206 ExcludeCommand,
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207 InlineCommand,
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208 DontInlineCommand,
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209 CompileOnlyCommand,
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210 LogCommand,
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211 OptionCommand,
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212 QuietCommand,
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213 HelpCommand,
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214 OracleCommandCount
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215 };
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216
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217 // this must parallel the enum OracleCommand
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218 static const char * command_names[] = {
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219 "break",
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220 "print",
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221 "exclude",
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222 "inline",
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223 "dontinline",
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224 "compileonly",
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225 "log",
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226 "option",
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227 "quiet",
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228 "help"
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229 };
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230
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231 static const char * command_name(OracleCommand command) {
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232 if (command < OracleFirstCommand || command >= OracleCommandCount) {
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233 return "unknown command";
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234 }
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235 return command_names[command];
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236 }
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237
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238 class MethodMatcher;
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239 static MethodMatcher* lists[OracleCommandCount] = { 0, };
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240
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241
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242 static bool check_predicate(OracleCommand command, methodHandle method) {
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243 return ((lists[command] != NULL) &&
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244 !method.is_null() &&
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245 lists[command]->match(method));
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246 }
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247
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248
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249 static MethodMatcher* add_predicate(OracleCommand command,
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250 symbolHandle class_name, MethodMatcher::Mode c_mode,
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251 symbolHandle method_name, MethodMatcher::Mode m_mode,
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252 symbolHandle signature) {
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253 assert(command != OptionCommand, "must use add_option_string");
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254 if (command == LogCommand && !LogCompilation && lists[LogCommand] == NULL)
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255 tty->print_cr("Warning: +LogCompilation must be enabled in order for individual methods to be logged.");
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256 lists[command] = new MethodMatcher(class_name, c_mode, method_name, m_mode, signature, lists[command]);
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257 return lists[command];
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258 }
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259
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260
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261
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262 static MethodMatcher* add_option_string(symbolHandle class_name, MethodMatcher::Mode c_mode,
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263 symbolHandle method_name, MethodMatcher::Mode m_mode,
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264 symbolHandle signature,
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265 const char* option) {
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266 lists[OptionCommand] = new MethodOptionMatcher(class_name, c_mode, method_name, m_mode,
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267 signature, option, lists[OptionCommand]);
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268 return lists[OptionCommand];
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269 }
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270
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271
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272 bool CompilerOracle::has_option_string(methodHandle method, const char* option) {
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273 return lists[OptionCommand] != NULL &&
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274 ((MethodOptionMatcher*)lists[OptionCommand])->match(method, option);
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275 }
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276
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277
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278 bool CompilerOracle::should_exclude(methodHandle method, bool& quietly) {
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279 quietly = true;
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280 if (lists[ExcludeCommand] != NULL) {
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281 if (lists[ExcludeCommand]->match(method)) {
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282 quietly = _quiet;
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283 return true;
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284 }
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285 }
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286
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287 if (lists[CompileOnlyCommand] != NULL) {
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288 return !lists[CompileOnlyCommand]->match(method);
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289 }
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290 return false;
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291 }
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292
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293
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294 bool CompilerOracle::should_inline(methodHandle method) {
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295 return (check_predicate(InlineCommand, method));
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296 }
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297
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298
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299 bool CompilerOracle::should_not_inline(methodHandle method) {
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300 return (check_predicate(DontInlineCommand, method));
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301 }
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302
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303
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304 bool CompilerOracle::should_print(methodHandle method) {
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305 return (check_predicate(PrintCommand, method));
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306 }
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307
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308
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309 bool CompilerOracle::should_log(methodHandle method) {
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310 if (!LogCompilation) return false;
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311 if (lists[LogCommand] == NULL) return true; // by default, log all
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312 return (check_predicate(LogCommand, method));
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313 }
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314
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315
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316 bool CompilerOracle::should_break_at(methodHandle method) {
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317 return check_predicate(BreakCommand, method);
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318 }
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319
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320
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321 static OracleCommand parse_command_name(const char * line, int* bytes_read) {
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322 assert(ARRAY_SIZE(command_names) == OracleCommandCount,
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323 "command_names size mismatch");
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324
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325 *bytes_read = 0;
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326 char command[32];
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327 int result = sscanf(line, "%32[a-z]%n", command, bytes_read);
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328 for (uint i = 0; i < ARRAY_SIZE(command_names); i++) {
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329 if (strcmp(command, command_names[i]) == 0) {
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330 return (OracleCommand)i;
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331 }
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332 }
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333 return UnknownCommand;
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334 }
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335
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336
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337 static void usage() {
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338 tty->print_cr(" CompileCommand and the CompilerOracle allows simple control over");
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339 tty->print_cr(" what's allowed to be compiled. The standard supported directives");
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340 tty->print_cr(" are exclude and compileonly. The exclude directive stops a method");
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341 tty->print_cr(" from being compiled and compileonly excludes all methods except for");
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342 tty->print_cr(" the ones mentioned by compileonly directives. The basic form of");
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343 tty->print_cr(" all commands is a command name followed by the name of the method");
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344 tty->print_cr(" in one of two forms: the standard class file format as in");
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345 tty->print_cr(" class/name.methodName or the PrintCompilation format");
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346 tty->print_cr(" class.name::methodName. The method name can optionally be followed");
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347 tty->print_cr(" by a space then the signature of the method in the class file");
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348 tty->print_cr(" format. Otherwise the directive applies to all methods with the");
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349 tty->print_cr(" same name and class regardless of signature. Leading and trailing");
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350 tty->print_cr(" *'s in the class and/or method name allows a small amount of");
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351 tty->print_cr(" wildcarding. ");
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352 tty->cr();
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353 tty->print_cr(" Examples:");
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354 tty->cr();
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355 tty->print_cr(" exclude java/lang/StringBuffer.append");
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356 tty->print_cr(" compileonly java/lang/StringBuffer.toString ()Ljava/lang/String;");
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357 tty->print_cr(" exclude java/lang/String*.*");
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358 tty->print_cr(" exclude *.toString");
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359 }
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360
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361
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362 // The characters allowed in a class or method name. All characters > 0x7f
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363 // are allowed in order to handle obfuscated class files (e.g. Volano)
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364 #define RANGEBASE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789$_<>" \
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365 "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f" \
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366 "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f" \
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367 "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf" \
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368 "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf" \
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369 "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf" \
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370 "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf" \
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371 "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef" \
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372 "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"
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373
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374 #define RANGE0 "[*" RANGEBASE "]"
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375 #define RANGEDOT "[*" RANGEBASE ".]"
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376 #define RANGESLASH "[*" RANGEBASE "/]"
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377
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378
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379 // Accept several syntaxes for these patterns
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380 // original syntax
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381 // cmd java.lang.String foo
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382 // PrintCompilation syntax
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383 // cmd java.lang.String::foo
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384 // VM syntax
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385 // cmd java/lang/String[. ]foo
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386 //
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387
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388 static const char* patterns[] = {
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389 "%*[ \t]%255" RANGEDOT " " "%255" RANGE0 "%n",
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390 "%*[ \t]%255" RANGEDOT "::" "%255" RANGE0 "%n",
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391 "%*[ \t]%255" RANGESLASH "%*[ .]" "%255" RANGE0 "%n",
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392 };
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393
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394 static MethodMatcher::Mode check_mode(char name[], const char*& error_msg) {
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395 if (strcmp(name, "*") == 0) return MethodMatcher::Any;
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396
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397 int match = MethodMatcher::Exact;
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398 if (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 size_t len = strlen(name);
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404 if (len > 0 && name[len - 1] == '*') {
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405 match |= MethodMatcher::Prefix;
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406 name[len - 1] = '\0';
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407 }
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408
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409 if (strstr(name, "*") != NULL) {
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410 error_msg = " Embedded * not allowed";
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411 return MethodMatcher::Unknown;
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412 }
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413 return (MethodMatcher::Mode)match;
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414 }
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415
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416 static bool scan_line(const char * line,
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417 char class_name[], MethodMatcher::Mode* c_mode,
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418 char method_name[], MethodMatcher::Mode* m_mode,
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419 int* bytes_read, const char*& error_msg) {
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420 *bytes_read = 0;
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421 error_msg = NULL;
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422 for (uint i = 0; i < ARRAY_SIZE(patterns); i++) {
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423 if (2 == sscanf(line, patterns[i], class_name, method_name, bytes_read)) {
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424 *c_mode = check_mode(class_name, error_msg);
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425 *m_mode = check_mode(method_name, error_msg);
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426 return *c_mode != MethodMatcher::Unknown && *m_mode != MethodMatcher::Unknown;
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427 }
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428 }
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429 return false;
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430 }
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431
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432
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433
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434 void CompilerOracle::parse_from_line(char* line) {
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435 if (line[0] == '\0') return;
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436 if (line[0] == '#') return;
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437
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438 bool have_colon = (strstr(line, "::") != NULL);
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439 for (char* lp = line; *lp != '\0'; lp++) {
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440 // Allow '.' to separate the class name from the method name.
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441 // This is the preferred spelling of methods:
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442 // exclude java/lang/String.indexOf(I)I
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443 // Allow ',' for spaces (eases command line quoting).
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444 // exclude,java/lang/String.indexOf
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445 // For backward compatibility, allow space as separator also.
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446 // exclude java/lang/String indexOf
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447 // exclude,java/lang/String,indexOf
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448 // For easy cut-and-paste of method names, allow VM output format
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449 // as produced by methodOopDesc::print_short_name:
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450 // exclude java.lang.String::indexOf
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451 // For simple implementation convenience here, convert them all to space.
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452 if (have_colon) {
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453 if (*lp == '.') *lp = '/'; // dots build the package prefix
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454 if (*lp == ':') *lp = ' ';
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455 }
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456 if (*lp == ',' || *lp == '.') *lp = ' ';
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457 }
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458
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459 char* original_line = line;
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460 int bytes_read;
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461 OracleCommand command = parse_command_name(line, &bytes_read);
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462 line += bytes_read;
|
|
463
|
|
464 if (command == QuietCommand) {
|
|
465 _quiet = true;
|
|
466 return;
|
|
467 }
|
|
468
|
|
469 if (command == HelpCommand) {
|
|
470 usage();
|
|
471 return;
|
|
472 }
|
|
473
|
|
474 MethodMatcher::Mode c_match = MethodMatcher::Exact;
|
|
475 MethodMatcher::Mode m_match = MethodMatcher::Exact;
|
|
476 char class_name[256];
|
|
477 char method_name[256];
|
|
478 char sig[1024];
|
|
479 char errorbuf[1024];
|
|
480 const char* error_msg = NULL;
|
|
481 MethodMatcher* match = NULL;
|
|
482
|
|
483 if (scan_line(line, class_name, &c_match, method_name, &m_match, &bytes_read, error_msg)) {
|
|
484 EXCEPTION_MARK;
|
|
485 symbolHandle c_name = oopFactory::new_symbol_handle(class_name, CHECK);
|
|
486 symbolHandle m_name = oopFactory::new_symbol_handle(method_name, CHECK);
|
|
487 symbolHandle signature;
|
|
488
|
|
489 line += bytes_read;
|
|
490 // there might be a signature following the method.
|
|
491 // signatures always begin with ( so match that by hand
|
|
492 if (1 == sscanf(line, "%*[ \t](%254[);/" RANGEBASE "]%n", sig + 1, &bytes_read)) {
|
|
493 sig[0] = '(';
|
|
494 line += bytes_read;
|
|
495 signature = oopFactory::new_symbol_handle(sig, CHECK);
|
|
496 }
|
|
497
|
|
498 if (command == OptionCommand) {
|
|
499 // Look for trailing options to support
|
|
500 // ciMethod::has_option("string") to control features in the
|
|
501 // compiler. Multiple options may follow the method name.
|
|
502 char option[256];
|
|
503 while (sscanf(line, "%*[ \t]%255[a-zA-Z0-9]%n", option, &bytes_read) == 1) {
|
|
504 if (match != NULL && !_quiet) {
|
|
505 // Print out the last match added
|
|
506 tty->print("CompilerOracle: %s ", command_names[command]);
|
|
507 match->print();
|
|
508 }
|
|
509 match = add_option_string(c_name, c_match, m_name, m_match, signature, strdup(option));
|
|
510 line += bytes_read;
|
|
511 }
|
|
512 } else {
|
|
513 bytes_read = 0;
|
|
514 sscanf(line, "%*[ \t]%n", &bytes_read);
|
|
515 if (line[bytes_read] != '\0') {
|
|
516 jio_snprintf(errorbuf, sizeof(errorbuf), " Unrecognized text after command: %s", line);
|
|
517 error_msg = errorbuf;
|
|
518 } else {
|
|
519 match = add_predicate(command, c_name, c_match, m_name, m_match, signature);
|
|
520 }
|
|
521 }
|
|
522 }
|
|
523
|
|
524 if (match != NULL) {
|
|
525 if (!_quiet) {
|
|
526 tty->print("CompilerOracle: %s ", command_names[command]);
|
|
527 match->print();
|
|
528 }
|
|
529 } else {
|
|
530 tty->print_cr("CompilerOracle: unrecognized line");
|
|
531 tty->print_cr(" \"%s\"", original_line);
|
|
532 if (error_msg != NULL) {
|
|
533 tty->print_cr(error_msg);
|
|
534 }
|
|
535 }
|
|
536 }
|
|
537
|
|
538 static const char* cc_file() {
|
|
539 if (CompileCommandFile == NULL)
|
|
540 return ".hotspot_compiler";
|
|
541 return CompileCommandFile;
|
|
542 }
|
|
543 bool CompilerOracle::_quiet = false;
|
|
544
|
|
545 void CompilerOracle::parse_from_file() {
|
|
546 FILE* stream = fopen(cc_file(), "rt");
|
|
547 if (stream == NULL) return;
|
|
548
|
|
549 char token[1024];
|
|
550 int pos = 0;
|
|
551 int c = getc(stream);
|
|
552 while(c != EOF) {
|
|
553 if (c == '\n') {
|
|
554 token[pos++] = '\0';
|
|
555 parse_from_line(token);
|
|
556 pos = 0;
|
|
557 } else {
|
|
558 token[pos++] = c;
|
|
559 }
|
|
560 c = getc(stream);
|
|
561 }
|
|
562 token[pos++] = '\0';
|
|
563 parse_from_line(token);
|
|
564
|
|
565 fclose(stream);
|
|
566 }
|
|
567
|
|
568 void CompilerOracle::parse_from_string(const char* str, void (*parse_line)(char*)) {
|
|
569 char token[1024];
|
|
570 int pos = 0;
|
|
571 const char* sp = str;
|
|
572 int c = *sp++;
|
|
573 while (c != '\0') {
|
|
574 if (c == '\n') {
|
|
575 token[pos++] = '\0';
|
|
576 parse_line(token);
|
|
577 pos = 0;
|
|
578 } else {
|
|
579 token[pos++] = c;
|
|
580 }
|
|
581 c = *sp++;
|
|
582 }
|
|
583 token[pos++] = '\0';
|
|
584 parse_line(token);
|
|
585 }
|
|
586
|
|
587 void CompilerOracle::append_comment_to_file(const char* message) {
|
|
588 fileStream stream(fopen(cc_file(), "at"));
|
|
589 stream.print("# ");
|
|
590 for (int index = 0; message[index] != '\0'; index++) {
|
|
591 stream.put(message[index]);
|
|
592 if (message[index] == '\n') stream.print("# ");
|
|
593 }
|
|
594 stream.cr();
|
|
595 }
|
|
596
|
|
597 void CompilerOracle::append_exclude_to_file(methodHandle method) {
|
|
598 fileStream stream(fopen(cc_file(), "at"));
|
|
599 stream.print("exclude ");
|
|
600 Klass::cast(method->method_holder())->name()->print_symbol_on(&stream);
|
|
601 stream.print(".");
|
|
602 method->name()->print_symbol_on(&stream);
|
|
603 method->signature()->print_symbol_on(&stream);
|
|
604 stream.cr();
|
|
605 stream.cr();
|
|
606 }
|
|
607
|
|
608
|
|
609 void compilerOracle_init() {
|
|
610 CompilerOracle::parse_from_string(CompileCommand, CompilerOracle::parse_from_line);
|
|
611 CompilerOracle::parse_from_string(CompileOnly, CompilerOracle::parse_compile_only);
|
|
612 CompilerOracle::parse_from_file();
|
|
613 }
|
|
614
|
|
615
|
|
616 void CompilerOracle::parse_compile_only(char * line) {
|
|
617 int i;
|
|
618 char name[1024];
|
|
619 const char* className = NULL;
|
|
620 const char* methodName = NULL;
|
|
621
|
|
622 bool have_colon = (strstr(line, "::") != NULL);
|
|
623 char method_sep = have_colon ? ':' : '.';
|
|
624
|
|
625 if (Verbose) {
|
|
626 tty->print_cr(line);
|
|
627 }
|
|
628
|
|
629 ResourceMark rm;
|
|
630 while (*line != '\0') {
|
|
631 MethodMatcher::Mode c_match = MethodMatcher::Exact;
|
|
632 MethodMatcher::Mode m_match = MethodMatcher::Exact;
|
|
633
|
|
634 for (i = 0;
|
|
635 i < 1024 && *line != '\0' && *line != method_sep && *line != ',' && !isspace(*line);
|
|
636 line++, i++) {
|
|
637 name[i] = *line;
|
|
638 if (name[i] == '.') name[i] = '/'; // package prefix uses '/'
|
|
639 }
|
|
640
|
|
641 if (i > 0) {
|
|
642 char* newName = NEW_RESOURCE_ARRAY( char, i + 1);
|
|
643 if (newName == NULL)
|
|
644 return;
|
|
645 strncpy(newName, name, i);
|
|
646 newName[i] = '\0';
|
|
647
|
|
648 if (className == NULL) {
|
|
649 className = newName;
|
|
650 c_match = MethodMatcher::Prefix;
|
|
651 } else {
|
|
652 methodName = newName;
|
|
653 }
|
|
654 }
|
|
655
|
|
656 if (*line == method_sep) {
|
|
657 if (className == NULL) {
|
|
658 className = "";
|
|
659 c_match = MethodMatcher::Any;
|
|
660 } else {
|
|
661 // foo/bar.blah is an exact match on foo/bar, bar.blah is a suffix match on bar
|
|
662 if (strchr(className, '/') != NULL) {
|
|
663 c_match = MethodMatcher::Exact;
|
|
664 } else {
|
|
665 c_match = MethodMatcher::Suffix;
|
|
666 }
|
|
667 }
|
|
668 } else {
|
|
669 // got foo or foo/bar
|
|
670 if (className == NULL) {
|
|
671 ShouldNotReachHere();
|
|
672 } else {
|
|
673 // got foo or foo/bar
|
|
674 if (strchr(className, '/') != NULL) {
|
|
675 c_match = MethodMatcher::Prefix;
|
|
676 } else if (className[0] == '\0') {
|
|
677 c_match = MethodMatcher::Any;
|
|
678 } else {
|
|
679 c_match = MethodMatcher::Substring;
|
|
680 }
|
|
681 }
|
|
682 }
|
|
683
|
|
684 // each directive is terminated by , or NUL or . followed by NUL
|
|
685 if (*line == ',' || *line == '\0' || (line[0] == '.' && line[1] == '\0')) {
|
|
686 if (methodName == NULL) {
|
|
687 methodName = "";
|
|
688 if (*line != method_sep) {
|
|
689 m_match = MethodMatcher::Any;
|
|
690 }
|
|
691 }
|
|
692
|
|
693 EXCEPTION_MARK;
|
|
694 symbolHandle c_name = oopFactory::new_symbol_handle(className, CHECK);
|
|
695 symbolHandle m_name = oopFactory::new_symbol_handle(methodName, CHECK);
|
|
696 symbolHandle signature;
|
|
697
|
|
698 add_predicate(CompileOnlyCommand, c_name, c_match, m_name, m_match, signature);
|
|
699 if (PrintVMOptions) {
|
|
700 tty->print("CompileOnly: compileonly ");
|
|
701 lists[CompileOnlyCommand]->print();
|
|
702 }
|
|
703
|
|
704 className = NULL;
|
|
705 methodName = NULL;
|
|
706 }
|
|
707
|
|
708 line = *line == '\0' ? line : line + 1;
|
|
709 }
|
|
710 }
|