Mercurial > hg > graal-compiler
annotate src/share/vm/compiler/compilerOracle.cpp @ 13364:5a4293f24642
added -G:PrintCompRate option for periodically printing out the current compilation rate
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Tue, 17 Dec 2013 16:45:02 +0100 |
| parents | 89e4d67fdd2a |
| children | d8041d695d19 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 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. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "compiler/compilerOracle.hpp" | |
| 27 #include "memory/allocation.inline.hpp" | |
| 28 #include "memory/oopFactory.hpp" | |
| 29 #include "memory/resourceArea.hpp" | |
| 30 #include "oops/klass.hpp" | |
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31 #include "oops/method.hpp" |
| 1972 | 32 #include "oops/oop.inline.hpp" |
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33 #include "oops/symbol.hpp" |
| 1972 | 34 #include "runtime/handles.inline.hpp" |
| 35 #include "runtime/jniHandles.hpp" | |
| 0 | 36 |
| 6197 | 37 class MethodMatcher : public CHeapObj<mtCompiler> { |
| 0 | 38 public: |
| 39 enum Mode { | |
| 40 Exact, | |
| 41 Prefix = 1, | |
| 42 Suffix = 2, | |
| 43 Substring = Prefix | Suffix, | |
| 44 Any, | |
| 45 Unknown = -1 | |
| 46 }; | |
| 47 | |
| 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; |
| 0 | 52 Mode _class_mode; |
| 53 Mode _method_mode; | |
| 54 MethodMatcher* _next; | |
| 55 | |
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56 static bool match(Symbol* candidate, Symbol* match, Mode match_mode); |
| 0 | 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; } |
| 0 | 61 |
| 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); |
| 0 | 67 |
| 68 // utility method | |
| 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(); |
| 0 | 72 for (MethodMatcher* current = this; current != NULL; current = current->_next) { |
| 73 if (match(class_name, current->class_name(), current->_class_mode) && | |
| 74 match(method_name, current->method_name(), current->_method_mode) && | |
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75 (current->signature() == NULL || current->signature() == method->signature())) { |
| 0 | 76 return current; |
| 77 } | |
| 78 } | |
| 79 return NULL; | |
| 80 } | |
| 81 | |
| 82 bool match(methodHandle method) { | |
| 83 return find(method) != NULL; | |
| 84 } | |
| 85 | |
| 86 MethodMatcher* next() const { return _next; } | |
| 87 | |
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88 static void print_symbol(Symbol* h, Mode mode) { |
| 0 | 89 ResourceMark rm; |
| 90 | |
| 91 if (mode == Suffix || mode == Substring || mode == Any) { | |
| 92 tty->print("*"); | |
| 93 } | |
| 94 if (mode != Any) { | |
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95 h->print_symbol_on(tty); |
| 0 | 96 } |
| 97 if (mode == Prefix || mode == Substring) { | |
| 98 tty->print("*"); | |
| 99 } | |
| 100 } | |
| 101 | |
| 102 void print_base() { | |
| 103 print_symbol(class_name(), _class_mode); | |
| 104 tty->print("."); | |
| 105 print_symbol(method_name(), _method_mode); | |
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106 if (signature() != NULL) { |
| 0 | 107 tty->print(" "); |
| 108 signature()->print_symbol_on(tty); | |
| 109 } | |
| 110 } | |
| 111 | |
| 112 virtual void print() { | |
| 113 print_base(); | |
| 114 tty->cr(); | |
| 115 } | |
| 116 }; | |
| 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; |
| 0 | 121 _next = next; |
| 122 _class_mode = MethodMatcher::Exact; | |
| 123 _method_mode = MethodMatcher::Exact; | |
| 124 _signature = NULL; | |
| 125 } | |
| 126 | |
| 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): |
| 0 | 131 _class_mode(class_mode) |
| 132 , _method_mode(method_mode) | |
| 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) { |
| 0 | 137 } |
| 138 | |
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139 bool MethodMatcher::match(Symbol* candidate, Symbol* match, Mode match_mode) { |
| 0 | 140 if (match_mode == Any) { |
| 141 return true; | |
| 142 } | |
| 143 | |
| 144 if (match_mode == Exact) { | |
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145 return candidate == match; |
| 0 | 146 } |
| 147 | |
| 148 ResourceMark rm; | |
| 149 const char * candidate_string = candidate->as_C_string(); | |
| 150 const char * match_string = match->as_C_string(); | |
| 151 | |
| 152 switch (match_mode) { | |
| 153 case Prefix: | |
| 154 return strstr(candidate_string, match_string) == candidate_string; | |
| 155 | |
| 156 case Suffix: { | |
| 157 size_t clen = strlen(candidate_string); | |
| 158 size_t mlen = strlen(match_string); | |
| 159 return clen >= mlen && strcmp(candidate_string + clen - mlen, match_string) == 0; | |
| 160 } | |
| 161 | |
| 162 case Substring: | |
| 163 return strstr(candidate_string, match_string) != NULL; | |
| 164 | |
| 165 default: | |
| 166 return false; | |
| 167 } | |
| 168 } | |
| 169 | |
| 170 | |
| 171 class MethodOptionMatcher: public MethodMatcher { | |
| 172 const char * option; | |
| 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): |
| 0 | 177 MethodMatcher(class_name, class_mode, method_name, method_mode, signature, next) { |
| 178 option = opt; | |
| 179 } | |
| 180 | |
| 181 bool match(methodHandle method, const char* opt) { | |
| 182 MethodOptionMatcher* current = this; | |
| 183 while (current != NULL) { | |
| 184 current = (MethodOptionMatcher*)current->find(method); | |
| 185 if (current == NULL) { | |
| 186 return false; | |
| 187 } | |
| 188 if (strcmp(current->option, opt) == 0) { | |
| 189 return true; | |
| 190 } | |
| 191 current = current->next(); | |
| 192 } | |
| 193 return false; | |
| 194 } | |
| 195 | |
| 196 MethodOptionMatcher* next() { | |
| 197 return (MethodOptionMatcher*)_next; | |
| 198 } | |
| 199 | |
| 200 virtual void print() { | |
| 201 print_base(); | |
| 202 tty->print(" %s", option); | |
| 203 tty->cr(); | |
| 204 } | |
| 205 }; | |
| 206 | |
| 207 | |
| 208 | |
| 209 // this must parallel the command_names below | |
| 210 enum OracleCommand { | |
| 211 UnknownCommand = -1, | |
| 212 OracleFirstCommand = 0, | |
| 213 BreakCommand = OracleFirstCommand, | |
| 214 PrintCommand, | |
| 215 ExcludeCommand, | |
| 216 InlineCommand, | |
| 217 DontInlineCommand, | |
| 218 CompileOnlyCommand, | |
| 219 LogCommand, | |
| 220 OptionCommand, | |
| 221 QuietCommand, | |
| 222 HelpCommand, | |
| 223 OracleCommandCount | |
| 224 }; | |
| 225 | |
| 226 // this must parallel the enum OracleCommand | |
| 227 static const char * command_names[] = { | |
| 228 "break", | |
| 229 "print", | |
| 230 "exclude", | |
| 231 "inline", | |
| 232 "dontinline", | |
| 233 "compileonly", | |
| 234 "log", | |
| 235 "option", | |
| 236 "quiet", | |
| 237 "help" | |
| 238 }; | |
| 239 | |
| 240 class MethodMatcher; | |
| 241 static MethodMatcher* lists[OracleCommandCount] = { 0, }; | |
| 242 | |
| 243 | |
| 244 static bool check_predicate(OracleCommand command, methodHandle method) { | |
| 245 return ((lists[command] != NULL) && | |
| 246 !method.is_null() && | |
| 247 lists[command]->match(method)); | |
| 248 } | |
| 249 | |
| 250 | |
| 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) { |
| 0 | 255 assert(command != OptionCommand, "must use add_option_string"); |
| 256 if (command == LogCommand && !LogCompilation && lists[LogCommand] == NULL) | |
| 257 tty->print_cr("Warning: +LogCompilation must be enabled in order for individual methods to be logged."); | |
| 258 lists[command] = new MethodMatcher(class_name, c_mode, method_name, m_mode, signature, lists[command]); | |
| 259 return lists[command]; | |
| 260 } | |
| 261 | |
| 262 | |
| 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, |
| 0 | 267 const char* option) { |
| 268 lists[OptionCommand] = new MethodOptionMatcher(class_name, c_mode, method_name, m_mode, | |
| 269 signature, option, lists[OptionCommand]); | |
| 270 return lists[OptionCommand]; | |
| 271 } | |
| 272 | |
| 273 | |
| 274 bool CompilerOracle::has_option_string(methodHandle method, const char* option) { | |
| 275 return lists[OptionCommand] != NULL && | |
| 276 ((MethodOptionMatcher*)lists[OptionCommand])->match(method, option); | |
| 277 } | |
| 278 | |
| 279 | |
| 280 bool CompilerOracle::should_exclude(methodHandle method, bool& quietly) { | |
| 281 quietly = true; | |
| 282 if (lists[ExcludeCommand] != NULL) { | |
| 283 if (lists[ExcludeCommand]->match(method)) { | |
| 284 quietly = _quiet; | |
| 285 return true; | |
| 286 } | |
| 287 } | |
| 288 | |
| 289 if (lists[CompileOnlyCommand] != NULL) { | |
| 290 return !lists[CompileOnlyCommand]->match(method); | |
| 291 } | |
| 292 return false; | |
| 293 } | |
| 294 | |
| 295 | |
| 296 bool CompilerOracle::should_inline(methodHandle method) { | |
| 297 return (check_predicate(InlineCommand, method)); | |
| 298 } | |
| 299 | |
| 300 | |
| 301 bool CompilerOracle::should_not_inline(methodHandle method) { | |
| 302 return (check_predicate(DontInlineCommand, method)); | |
| 303 } | |
| 304 | |
| 305 | |
| 306 bool CompilerOracle::should_print(methodHandle method) { | |
| 307 return (check_predicate(PrintCommand, method)); | |
| 308 } | |
| 309 | |
| 310 | |
| 311 bool CompilerOracle::should_log(methodHandle method) { | |
| 312 if (!LogCompilation) return false; | |
| 313 if (lists[LogCommand] == NULL) return true; // by default, log all | |
| 314 return (check_predicate(LogCommand, method)); | |
| 315 } | |
| 316 | |
| 317 | |
| 318 bool CompilerOracle::should_break_at(methodHandle method) { | |
| 319 return check_predicate(BreakCommand, method); | |
| 320 } | |
| 321 | |
| 322 | |
| 323 static OracleCommand parse_command_name(const char * line, int* bytes_read) { | |
| 324 assert(ARRAY_SIZE(command_names) == OracleCommandCount, | |
| 325 "command_names size mismatch"); | |
| 326 | |
| 327 *bytes_read = 0; | |
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328 char command[33]; |
| 0 | 329 int result = sscanf(line, "%32[a-z]%n", command, bytes_read); |
| 330 for (uint i = 0; i < ARRAY_SIZE(command_names); i++) { | |
| 331 if (strcmp(command, command_names[i]) == 0) { | |
| 332 return (OracleCommand)i; | |
| 333 } | |
| 334 } | |
| 335 return UnknownCommand; | |
| 336 } | |
| 337 | |
| 338 | |
| 339 static void usage() { | |
| 340 tty->print_cr(" CompileCommand and the CompilerOracle allows simple control over"); | |
| 341 tty->print_cr(" what's allowed to be compiled. The standard supported directives"); | |
| 342 tty->print_cr(" are exclude and compileonly. The exclude directive stops a method"); | |
| 343 tty->print_cr(" from being compiled and compileonly excludes all methods except for"); | |
| 344 tty->print_cr(" the ones mentioned by compileonly directives. The basic form of"); | |
| 345 tty->print_cr(" all commands is a command name followed by the name of the method"); | |
| 346 tty->print_cr(" in one of two forms: the standard class file format as in"); | |
| 347 tty->print_cr(" class/name.methodName or the PrintCompilation format"); | |
| 348 tty->print_cr(" class.name::methodName. The method name can optionally be followed"); | |
| 349 tty->print_cr(" by a space then the signature of the method in the class file"); | |
| 350 tty->print_cr(" format. Otherwise the directive applies to all methods with the"); | |
| 351 tty->print_cr(" same name and class regardless of signature. Leading and trailing"); | |
| 352 tty->print_cr(" *'s in the class and/or method name allows a small amount of"); | |
| 353 tty->print_cr(" wildcarding. "); | |
| 354 tty->cr(); | |
| 355 tty->print_cr(" Examples:"); | |
| 356 tty->cr(); | |
| 357 tty->print_cr(" exclude java/lang/StringBuffer.append"); | |
| 358 tty->print_cr(" compileonly java/lang/StringBuffer.toString ()Ljava/lang/String;"); | |
| 359 tty->print_cr(" exclude java/lang/String*.*"); | |
| 360 tty->print_cr(" exclude *.toString"); | |
| 361 } | |
| 362 | |
| 363 | |
| 364 // The characters allowed in a class or method name. All characters > 0x7f | |
| 365 // are allowed in order to handle obfuscated class files (e.g. Volano) | |
| 366 #define RANGEBASE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789$_<>" \ | |
| 367 "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f" \ | |
| 368 "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f" \ | |
| 369 "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf" \ | |
| 370 "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf" \ | |
| 371 "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf" \ | |
| 372 "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf" \ | |
| 373 "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef" \ | |
| 374 "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff" | |
| 375 | |
| 376 #define RANGE0 "[*" RANGEBASE "]" | |
| 377 #define RANGEDOT "[*" RANGEBASE ".]" | |
| 378 #define RANGESLASH "[*" RANGEBASE "/]" | |
| 379 | |
| 380 | |
| 381 // Accept several syntaxes for these patterns | |
| 382 // original syntax | |
| 383 // cmd java.lang.String foo | |
| 384 // PrintCompilation syntax | |
| 385 // cmd java.lang.String::foo | |
| 386 // VM syntax | |
| 387 // cmd java/lang/String[. ]foo | |
| 388 // | |
| 389 | |
| 390 static const char* patterns[] = { | |
| 391 "%*[ \t]%255" RANGEDOT " " "%255" RANGE0 "%n", | |
| 392 "%*[ \t]%255" RANGEDOT "::" "%255" RANGE0 "%n", | |
| 393 "%*[ \t]%255" RANGESLASH "%*[ .]" "%255" RANGE0 "%n", | |
| 394 }; | |
| 395 | |
| 396 static MethodMatcher::Mode check_mode(char name[], const char*& error_msg) { | |
| 397 int match = MethodMatcher::Exact; | |
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398 while (name[0] == '*') { |
| 0 | 399 match |= MethodMatcher::Suffix; |
| 400 strcpy(name, name + 1); | |
| 401 } | |
| 402 | |
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403 if (strcmp(name, "*") == 0) return MethodMatcher::Any; |
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404 |
| 0 | 405 size_t len = strlen(name); |
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406 while (len > 0 && name[len - 1] == '*') { |
| 0 | 407 match |= MethodMatcher::Prefix; |
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408 name[--len] = '\0'; |
| 0 | 409 } |
| 410 | |
| 411 if (strstr(name, "*") != NULL) { | |
| 412 error_msg = " Embedded * not allowed"; | |
| 413 return MethodMatcher::Unknown; | |
| 414 } | |
| 415 return (MethodMatcher::Mode)match; | |
| 416 } | |
| 417 | |
| 418 static bool scan_line(const char * line, | |
| 419 char class_name[], MethodMatcher::Mode* c_mode, | |
| 420 char method_name[], MethodMatcher::Mode* m_mode, | |
| 421 int* bytes_read, const char*& error_msg) { | |
| 422 *bytes_read = 0; | |
| 423 error_msg = NULL; | |
| 424 for (uint i = 0; i < ARRAY_SIZE(patterns); i++) { | |
| 425 if (2 == sscanf(line, patterns[i], class_name, method_name, bytes_read)) { | |
| 426 *c_mode = check_mode(class_name, error_msg); | |
| 427 *m_mode = check_mode(method_name, error_msg); | |
| 428 return *c_mode != MethodMatcher::Unknown && *m_mode != MethodMatcher::Unknown; | |
| 429 } | |
| 430 } | |
| 431 return false; | |
| 432 } | |
| 433 | |
| 434 | |
| 435 | |
| 436 void CompilerOracle::parse_from_line(char* line) { | |
| 437 if (line[0] == '\0') return; | |
| 438 if (line[0] == '#') return; | |
| 439 | |
| 440 bool have_colon = (strstr(line, "::") != NULL); | |
| 441 for (char* lp = line; *lp != '\0'; lp++) { | |
| 442 // Allow '.' to separate the class name from the method name. | |
| 443 // This is the preferred spelling of methods: | |
| 444 // exclude java/lang/String.indexOf(I)I | |
| 445 // Allow ',' for spaces (eases command line quoting). | |
| 446 // exclude,java/lang/String.indexOf | |
| 447 // For backward compatibility, allow space as separator also. | |
| 448 // exclude java/lang/String indexOf | |
| 449 // exclude,java/lang/String,indexOf | |
| 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: |
| 0 | 452 // exclude java.lang.String::indexOf |
| 453 // For simple implementation convenience here, convert them all to space. | |
| 454 if (have_colon) { | |
| 455 if (*lp == '.') *lp = '/'; // dots build the package prefix | |
| 456 if (*lp == ':') *lp = ' '; | |
| 457 } | |
| 458 if (*lp == ',' || *lp == '.') *lp = ' '; | |
| 459 } | |
| 460 | |
| 461 char* original_line = line; | |
| 462 int bytes_read; | |
| 463 OracleCommand command = parse_command_name(line, &bytes_read); | |
| 464 line += bytes_read; | |
| 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 |
| 0 | 472 if (command == QuietCommand) { |
| 473 _quiet = true; | |
| 474 return; | |
| 475 } | |
| 476 | |
| 477 if (command == HelpCommand) { | |
| 478 usage(); | |
| 479 return; | |
| 480 } | |
| 481 | |
| 482 MethodMatcher::Mode c_match = MethodMatcher::Exact; | |
| 483 MethodMatcher::Mode m_match = MethodMatcher::Exact; | |
| 484 char class_name[256]; | |
| 485 char method_name[256]; | |
| 486 char sig[1024]; | |
| 487 char errorbuf[1024]; | |
| 488 const char* error_msg = NULL; | |
| 489 MethodMatcher* match = NULL; | |
| 490 | |
| 491 if (scan_line(line, class_name, &c_match, method_name, &m_match, &bytes_read, error_msg)) { | |
| 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; |
| 0 | 496 |
| 497 line += bytes_read; | |
| 498 // there might be a signature following the method. | |
| 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)) { |
| 0 | 501 sig[0] = '('; |
| 502 line += bytes_read; | |
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503 signature = SymbolTable::new_symbol(sig, CHECK); |
| 0 | 504 } |
| 505 | |
| 506 if (command == OptionCommand) { | |
| 507 // Look for trailing options to support | |
| 508 // ciMethod::has_option("string") to control features in the | |
| 509 // compiler. Multiple options may follow the method name. | |
| 510 char option[256]; | |
| 511 while (sscanf(line, "%*[ \t]%255[a-zA-Z0-9]%n", option, &bytes_read) == 1) { | |
| 512 if (match != NULL && !_quiet) { | |
| 513 // Print out the last match added | |
| 514 tty->print("CompilerOracle: %s ", command_names[command]); | |
| 515 match->print(); | |
| 516 } | |
| 517 match = add_option_string(c_name, c_match, m_name, m_match, signature, strdup(option)); | |
| 518 line += bytes_read; | |
| 519 } | |
| 520 } else { | |
| 521 bytes_read = 0; | |
| 522 sscanf(line, "%*[ \t]%n", &bytes_read); | |
| 523 if (line[bytes_read] != '\0') { | |
| 524 jio_snprintf(errorbuf, sizeof(errorbuf), " Unrecognized text after command: %s", line); | |
| 525 error_msg = errorbuf; | |
| 526 } else { | |
| 527 match = add_predicate(command, c_name, c_match, m_name, m_match, signature); | |
| 528 } | |
| 529 } | |
| 530 } | |
| 531 | |
| 532 if (match != NULL) { | |
| 533 if (!_quiet) { | |
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534 ResourceMark rm; |
| 0 | 535 tty->print("CompilerOracle: %s ", command_names[command]); |
| 536 match->print(); | |
| 537 } | |
| 538 } else { | |
| 539 tty->print_cr("CompilerOracle: unrecognized line"); | |
| 540 tty->print_cr(" \"%s\"", original_line); | |
| 541 if (error_msg != NULL) { | |
| 542 tty->print_cr(error_msg); | |
| 543 } | |
| 544 } | |
| 545 } | |
| 546 | |
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547 static const char* default_cc_file = ".hotspot_compiler"; |
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548 |
| 0 | 549 static const char* cc_file() { |
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550 #ifdef ASSERT |
| 0 | 551 if (CompileCommandFile == NULL) |
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552 return default_cc_file; |
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553 #endif |
| 0 | 554 return CompileCommandFile; |
| 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 |
| 0 | 561 bool CompilerOracle::_quiet = false; |
| 562 | |
| 563 void CompilerOracle::parse_from_file() { | |
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564 assert(has_command_file(), "command file must be specified"); |
| 0 | 565 FILE* stream = fopen(cc_file(), "rt"); |
| 566 if (stream == NULL) return; | |
| 567 | |
| 568 char token[1024]; | |
| 569 int pos = 0; | |
| 570 int c = getc(stream); | |
| 6901 | 571 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
| 0 | 572 if (c == '\n') { |
| 573 token[pos++] = '\0'; | |
| 574 parse_from_line(token); | |
| 575 pos = 0; | |
| 576 } else { | |
| 577 token[pos++] = c; | |
| 578 } | |
| 579 c = getc(stream); | |
| 580 } | |
| 581 token[pos++] = '\0'; | |
| 582 parse_from_line(token); | |
| 583 | |
| 584 fclose(stream); | |
| 585 } | |
| 586 | |
| 587 void CompilerOracle::parse_from_string(const char* str, void (*parse_line)(char*)) { | |
| 588 char token[1024]; | |
| 589 int pos = 0; | |
| 590 const char* sp = str; | |
| 591 int c = *sp++; | |
| 6901 | 592 while (c != '\0' && pos < (int)(sizeof(token)-1)) { |
| 0 | 593 if (c == '\n') { |
| 594 token[pos++] = '\0'; | |
| 595 parse_line(token); | |
| 596 pos = 0; | |
| 597 } else { | |
| 598 token[pos++] = c; | |
| 599 } | |
| 600 c = *sp++; | |
| 601 } | |
| 602 token[pos++] = '\0'; | |
| 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"); |
| 0 | 608 fileStream stream(fopen(cc_file(), "at")); |
| 609 stream.print("# "); | |
| 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) { | |
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618 assert(has_command_file(), "command file must be specified"); |
| 0 | 619 fileStream stream(fopen(cc_file(), "at")); |
| 620 stream.print("exclude "); | |
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621 method->method_holder()->name()->print_symbol_on(&stream); |
| 0 | 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); | |
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633 if (CompilerOracle::has_command_file()) { |
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634 CompilerOracle::parse_from_file(); |
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635 } else { |
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636 struct stat buf; |
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637 if (os::stat(default_cc_file, &buf) == 0) { |
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638 warning("%s file is present but has been ignored. " |
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639 "Run with -XX:CompileCommandFile=%s to load the file.", |
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640 default_cc_file, default_cc_file); |
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641 } |
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642 } |
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643 if (lists[PrintCommand] != NULL) { |
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644 if (PrintAssembly) { |
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645 warning("CompileCommand and/or %s file contains 'print' commands, but PrintAssembly is also enabled", default_cc_file); |
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646 } else if (FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
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647 warning("printing of assembly code is enabled; turning on DebugNonSafepoints to gain additional output"); |
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648 DebugNonSafepoints = true; |
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649 } |
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650 } |
| 0 | 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(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; | |
|
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732 Symbol* c_name = SymbolTable::new_symbol(className, CHECK); |
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733 Symbol* m_name = SymbolTable::new_symbol(methodName, CHECK); |
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734 Symbol* signature = NULL; |
| 0 | 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 } |