Mercurial > hg > graal-compiler
annotate src/share/vm/compiler/compilerOracle.cpp @ 1155:4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
Summary: More informative disassembly in product mode. Also, a more consistent CompileCommand syntax.
Reviewed-by: never
| author | jrose |
|---|---|
| date | Fri, 08 Jan 2010 13:47:01 -0800 |
| parents | a61af66fc99e |
| children | c18cbe5936b8 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * Copyright 1998-2007 Sun Microsystems, Inc. All Rights Reserved. | |
| 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 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 #include "incls/_precompiled.incl" | |
| 26 #include "incls/_compilerOracle.cpp.incl" | |
| 27 | |
| 28 class MethodMatcher : public CHeapObj { | |
| 29 public: | |
| 30 enum Mode { | |
| 31 Exact, | |
| 32 Prefix = 1, | |
| 33 Suffix = 2, | |
| 34 Substring = Prefix | Suffix, | |
| 35 Any, | |
| 36 Unknown = -1 | |
| 37 }; | |
| 38 | |
| 39 protected: | |
| 40 jobject _class_name; | |
| 41 Mode _class_mode; | |
| 42 jobject _method_name; | |
| 43 Mode _method_mode; | |
| 44 jobject _signature; | |
| 45 MethodMatcher* _next; | |
| 46 | |
| 47 static bool match(symbolHandle candidate, symbolHandle match, Mode match_mode); | |
| 48 | |
| 49 symbolHandle class_name() const { return (symbolOop)JNIHandles::resolve_non_null(_class_name); } | |
| 50 symbolHandle method_name() const { return (symbolOop)JNIHandles::resolve_non_null(_method_name); } | |
| 51 symbolHandle signature() const { return (symbolOop)JNIHandles::resolve(_signature); } | |
| 52 | |
| 53 public: | |
| 54 MethodMatcher(symbolHandle class_name, Mode class_mode, | |
| 55 symbolHandle method_name, Mode method_mode, | |
| 56 symbolHandle signature, MethodMatcher* next); | |
| 57 MethodMatcher(symbolHandle class_name, symbolHandle method_name, MethodMatcher* next); | |
| 58 | |
| 59 // utility method | |
| 60 MethodMatcher* find(methodHandle method) { | |
| 61 symbolHandle class_name = Klass::cast(method->method_holder())->name(); | |
| 62 symbolHandle method_name = method->name(); | |
| 63 for (MethodMatcher* current = this; current != NULL; current = current->_next) { | |
| 64 if (match(class_name, current->class_name(), current->_class_mode) && | |
| 65 match(method_name, current->method_name(), current->_method_mode) && | |
| 66 (current->signature().is_null() || current->signature()() == method->signature())) { | |
| 67 return current; | |
| 68 } | |
| 69 } | |
| 70 return NULL; | |
| 71 } | |
| 72 | |
| 73 bool match(methodHandle method) { | |
| 74 return find(method) != NULL; | |
| 75 } | |
| 76 | |
| 77 MethodMatcher* next() const { return _next; } | |
| 78 | |
| 79 static void print_symbol(symbolHandle h, Mode mode) { | |
| 80 ResourceMark rm; | |
| 81 | |
| 82 if (mode == Suffix || mode == Substring || mode == Any) { | |
| 83 tty->print("*"); | |
| 84 } | |
| 85 if (mode != Any) { | |
| 86 h()->print_symbol_on(tty); | |
| 87 } | |
| 88 if (mode == Prefix || mode == Substring) { | |
| 89 tty->print("*"); | |
| 90 } | |
| 91 } | |
| 92 | |
| 93 void print_base() { | |
| 94 print_symbol(class_name(), _class_mode); | |
| 95 tty->print("."); | |
| 96 print_symbol(method_name(), _method_mode); | |
| 97 if (!signature().is_null()) { | |
| 98 tty->print(" "); | |
| 99 signature()->print_symbol_on(tty); | |
| 100 } | |
| 101 } | |
| 102 | |
| 103 virtual void print() { | |
| 104 print_base(); | |
| 105 tty->cr(); | |
| 106 } | |
| 107 }; | |
| 108 | |
| 109 MethodMatcher::MethodMatcher(symbolHandle class_name, symbolHandle method_name, MethodMatcher* next) { | |
| 110 _class_name = JNIHandles::make_global(class_name); | |
| 111 _method_name = JNIHandles::make_global(method_name); | |
| 112 _next = next; | |
| 113 _class_mode = MethodMatcher::Exact; | |
| 114 _method_mode = MethodMatcher::Exact; | |
| 115 _signature = NULL; | |
| 116 } | |
| 117 | |
| 118 | |
| 119 MethodMatcher::MethodMatcher(symbolHandle class_name, Mode class_mode, | |
| 120 symbolHandle method_name, Mode method_mode, | |
| 121 symbolHandle signature, MethodMatcher* next): | |
| 122 _class_mode(class_mode) | |
| 123 , _method_mode(method_mode) | |
| 124 , _next(next) | |
| 125 , _class_name(JNIHandles::make_global(class_name())) | |
| 126 , _method_name(JNIHandles::make_global(method_name())) | |
| 127 , _signature(JNIHandles::make_global(signature())) { | |
| 128 } | |
| 129 | |
| 130 bool MethodMatcher::match(symbolHandle candidate, symbolHandle match, Mode match_mode) { | |
| 131 if (match_mode == Any) { | |
| 132 return true; | |
| 133 } | |
| 134 | |
| 135 if (match_mode == Exact) { | |
| 136 return candidate() == match(); | |
| 137 } | |
| 138 | |
| 139 ResourceMark rm; | |
| 140 const char * candidate_string = candidate->as_C_string(); | |
| 141 const char * match_string = match->as_C_string(); | |
| 142 | |
| 143 switch (match_mode) { | |
| 144 case Prefix: | |
| 145 return strstr(candidate_string, match_string) == candidate_string; | |
| 146 | |
| 147 case Suffix: { | |
| 148 size_t clen = strlen(candidate_string); | |
| 149 size_t mlen = strlen(match_string); | |
| 150 return clen >= mlen && strcmp(candidate_string + clen - mlen, match_string) == 0; | |
| 151 } | |
| 152 | |
| 153 case Substring: | |
| 154 return strstr(candidate_string, match_string) != NULL; | |
| 155 | |
| 156 default: | |
| 157 return false; | |
| 158 } | |
| 159 } | |
| 160 | |
| 161 | |
| 162 class MethodOptionMatcher: public MethodMatcher { | |
| 163 const char * option; | |
| 164 public: | |
| 165 MethodOptionMatcher(symbolHandle class_name, Mode class_mode, | |
| 166 symbolHandle method_name, Mode method_mode, | |
| 167 symbolHandle signature, const char * opt, MethodMatcher* next): | |
| 168 MethodMatcher(class_name, class_mode, method_name, method_mode, signature, next) { | |
| 169 option = opt; | |
| 170 } | |
| 171 | |
| 172 bool match(methodHandle method, const char* opt) { | |
| 173 MethodOptionMatcher* current = this; | |
| 174 while (current != NULL) { | |
| 175 current = (MethodOptionMatcher*)current->find(method); | |
| 176 if (current == NULL) { | |
| 177 return false; | |
| 178 } | |
| 179 if (strcmp(current->option, opt) == 0) { | |
| 180 return true; | |
| 181 } | |
| 182 current = current->next(); | |
| 183 } | |
| 184 return false; | |
| 185 } | |
| 186 | |
| 187 MethodOptionMatcher* next() { | |
| 188 return (MethodOptionMatcher*)_next; | |
| 189 } | |
| 190 | |
| 191 virtual void print() { | |
| 192 print_base(); | |
| 193 tty->print(" %s", option); | |
| 194 tty->cr(); | |
| 195 } | |
| 196 }; | |
| 197 | |
| 198 | |
| 199 | |
| 200 // this must parallel the command_names below | |
| 201 enum OracleCommand { | |
| 202 UnknownCommand = -1, | |
| 203 OracleFirstCommand = 0, | |
| 204 BreakCommand = OracleFirstCommand, | |
| 205 PrintCommand, | |
| 206 ExcludeCommand, | |
| 207 InlineCommand, | |
| 208 DontInlineCommand, | |
| 209 CompileOnlyCommand, | |
| 210 LogCommand, | |
| 211 OptionCommand, | |
| 212 QuietCommand, | |
| 213 HelpCommand, | |
| 214 OracleCommandCount | |
| 215 }; | |
| 216 | |
| 217 // this must parallel the enum OracleCommand | |
| 218 static const char * command_names[] = { | |
| 219 "break", | |
| 220 "print", | |
| 221 "exclude", | |
| 222 "inline", | |
| 223 "dontinline", | |
| 224 "compileonly", | |
| 225 "log", | |
| 226 "option", | |
| 227 "quiet", | |
| 228 "help" | |
| 229 }; | |
| 230 | |
| 231 static const char * command_name(OracleCommand command) { | |
| 232 if (command < OracleFirstCommand || command >= OracleCommandCount) { | |
| 233 return "unknown command"; | |
| 234 } | |
| 235 return command_names[command]; | |
| 236 } | |
| 237 | |
| 238 class MethodMatcher; | |
| 239 static MethodMatcher* lists[OracleCommandCount] = { 0, }; | |
| 240 | |
| 241 | |
| 242 static bool check_predicate(OracleCommand command, methodHandle method) { | |
| 243 return ((lists[command] != NULL) && | |
| 244 !method.is_null() && | |
| 245 lists[command]->match(method)); | |
| 246 } | |
| 247 | |
| 248 | |
| 249 static MethodMatcher* add_predicate(OracleCommand command, | |
| 250 symbolHandle class_name, MethodMatcher::Mode c_mode, | |
| 251 symbolHandle method_name, MethodMatcher::Mode m_mode, | |
| 252 symbolHandle signature) { | |
| 253 assert(command != OptionCommand, "must use add_option_string"); | |
| 254 if (command == LogCommand && !LogCompilation && lists[LogCommand] == NULL) | |
| 255 tty->print_cr("Warning: +LogCompilation must be enabled in order for individual methods to be logged."); | |
| 256 lists[command] = new MethodMatcher(class_name, c_mode, method_name, m_mode, signature, lists[command]); | |
| 257 return lists[command]; | |
| 258 } | |
| 259 | |
| 260 | |
| 261 | |
| 262 static MethodMatcher* add_option_string(symbolHandle class_name, MethodMatcher::Mode c_mode, | |
| 263 symbolHandle method_name, MethodMatcher::Mode m_mode, | |
| 264 symbolHandle signature, | |
| 265 const char* option) { | |
| 266 lists[OptionCommand] = new MethodOptionMatcher(class_name, c_mode, method_name, m_mode, | |
| 267 signature, option, lists[OptionCommand]); | |
| 268 return lists[OptionCommand]; | |
| 269 } | |
| 270 | |
| 271 | |
| 272 bool CompilerOracle::has_option_string(methodHandle method, const char* option) { | |
| 273 return lists[OptionCommand] != NULL && | |
| 274 ((MethodOptionMatcher*)lists[OptionCommand])->match(method, option); | |
| 275 } | |
| 276 | |
| 277 | |
| 278 bool CompilerOracle::should_exclude(methodHandle method, bool& quietly) { | |
| 279 quietly = true; | |
| 280 if (lists[ExcludeCommand] != NULL) { | |
| 281 if (lists[ExcludeCommand]->match(method)) { | |
| 282 quietly = _quiet; | |
| 283 return true; | |
| 284 } | |
| 285 } | |
| 286 | |
| 287 if (lists[CompileOnlyCommand] != NULL) { | |
| 288 return !lists[CompileOnlyCommand]->match(method); | |
| 289 } | |
| 290 return false; | |
| 291 } | |
| 292 | |
| 293 | |
| 294 bool CompilerOracle::should_inline(methodHandle method) { | |
| 295 return (check_predicate(InlineCommand, method)); | |
| 296 } | |
| 297 | |
| 298 | |
| 299 bool CompilerOracle::should_not_inline(methodHandle method) { | |
| 300 return (check_predicate(DontInlineCommand, method)); | |
| 301 } | |
| 302 | |
| 303 | |
| 304 bool CompilerOracle::should_print(methodHandle method) { | |
| 305 return (check_predicate(PrintCommand, method)); | |
| 306 } | |
| 307 | |
| 308 | |
| 309 bool CompilerOracle::should_log(methodHandle method) { | |
| 310 if (!LogCompilation) return false; | |
| 311 if (lists[LogCommand] == NULL) return true; // by default, log all | |
| 312 return (check_predicate(LogCommand, method)); | |
| 313 } | |
| 314 | |
| 315 | |
| 316 bool CompilerOracle::should_break_at(methodHandle method) { | |
| 317 return check_predicate(BreakCommand, method); | |
| 318 } | |
| 319 | |
| 320 | |
| 321 static OracleCommand parse_command_name(const char * line, int* bytes_read) { | |
| 322 assert(ARRAY_SIZE(command_names) == OracleCommandCount, | |
| 323 "command_names size mismatch"); | |
| 324 | |
| 325 *bytes_read = 0; | |
| 326 char command[32]; | |
| 327 int result = sscanf(line, "%32[a-z]%n", command, bytes_read); | |
| 328 for (uint i = 0; i < ARRAY_SIZE(command_names); i++) { | |
| 329 if (strcmp(command, command_names[i]) == 0) { | |
| 330 return (OracleCommand)i; | |
| 331 } | |
| 332 } | |
| 333 return UnknownCommand; | |
| 334 } | |
| 335 | |
| 336 | |
| 337 static void usage() { | |
| 338 tty->print_cr(" CompileCommand and the CompilerOracle allows simple control over"); | |
| 339 tty->print_cr(" what's allowed to be compiled. The standard supported directives"); | |
| 340 tty->print_cr(" are exclude and compileonly. The exclude directive stops a method"); | |
| 341 tty->print_cr(" from being compiled and compileonly excludes all methods except for"); | |
| 342 tty->print_cr(" the ones mentioned by compileonly directives. The basic form of"); | |
| 343 tty->print_cr(" all commands is a command name followed by the name of the method"); | |
| 344 tty->print_cr(" in one of two forms: the standard class file format as in"); | |
| 345 tty->print_cr(" class/name.methodName or the PrintCompilation format"); | |
| 346 tty->print_cr(" class.name::methodName. The method name can optionally be followed"); | |
| 347 tty->print_cr(" by a space then the signature of the method in the class file"); | |
| 348 tty->print_cr(" format. Otherwise the directive applies to all methods with the"); | |
| 349 tty->print_cr(" same name and class regardless of signature. Leading and trailing"); | |
| 350 tty->print_cr(" *'s in the class and/or method name allows a small amount of"); | |
| 351 tty->print_cr(" wildcarding. "); | |
| 352 tty->cr(); | |
| 353 tty->print_cr(" Examples:"); | |
| 354 tty->cr(); | |
| 355 tty->print_cr(" exclude java/lang/StringBuffer.append"); | |
| 356 tty->print_cr(" compileonly java/lang/StringBuffer.toString ()Ljava/lang/String;"); | |
| 357 tty->print_cr(" exclude java/lang/String*.*"); | |
| 358 tty->print_cr(" exclude *.toString"); | |
| 359 } | |
| 360 | |
| 361 | |
| 362 // The characters allowed in a class or method name. All characters > 0x7f | |
| 363 // are allowed in order to handle obfuscated class files (e.g. Volano) | |
| 364 #define RANGEBASE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789$_<>" \ | |
| 365 "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f" \ | |
| 366 "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f" \ | |
| 367 "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf" \ | |
| 368 "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf" \ | |
| 369 "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf" \ | |
| 370 "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf" \ | |
| 371 "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef" \ | |
| 372 "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff" | |
| 373 | |
| 374 #define RANGE0 "[*" RANGEBASE "]" | |
| 375 #define RANGEDOT "[*" RANGEBASE ".]" | |
| 376 #define RANGESLASH "[*" RANGEBASE "/]" | |
| 377 | |
| 378 | |
| 379 // Accept several syntaxes for these patterns | |
| 380 // original syntax | |
| 381 // cmd java.lang.String foo | |
| 382 // PrintCompilation syntax | |
| 383 // cmd java.lang.String::foo | |
| 384 // VM syntax | |
| 385 // cmd java/lang/String[. ]foo | |
| 386 // | |
| 387 | |
| 388 static const char* patterns[] = { | |
| 389 "%*[ \t]%255" RANGEDOT " " "%255" RANGE0 "%n", | |
| 390 "%*[ \t]%255" RANGEDOT "::" "%255" RANGE0 "%n", | |
| 391 "%*[ \t]%255" RANGESLASH "%*[ .]" "%255" RANGE0 "%n", | |
| 392 }; | |
| 393 | |
| 394 static MethodMatcher::Mode check_mode(char name[], const char*& error_msg) { | |
| 395 int match = MethodMatcher::Exact; | |
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396 while (name[0] == '*') { |
| 0 | 397 match |= MethodMatcher::Suffix; |
| 398 strcpy(name, name + 1); | |
| 399 } | |
| 400 | |
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401 if (strcmp(name, "*") == 0) return MethodMatcher::Any; |
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402 |
| 0 | 403 size_t len = strlen(name); |
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404 while (len > 0 && name[len - 1] == '*') { |
| 0 | 405 match |= MethodMatcher::Prefix; |
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6912062: disassembler plugin needs to produce symbolic information in product mode
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406 name[--len] = '\0'; |
| 0 | 407 } |
| 408 | |
| 409 if (strstr(name, "*") != NULL) { | |
| 410 error_msg = " Embedded * not allowed"; | |
| 411 return MethodMatcher::Unknown; | |
| 412 } | |
| 413 return (MethodMatcher::Mode)match; | |
| 414 } | |
| 415 | |
| 416 static bool scan_line(const char * line, | |
| 417 char class_name[], MethodMatcher::Mode* c_mode, | |
| 418 char method_name[], MethodMatcher::Mode* m_mode, | |
| 419 int* bytes_read, const char*& error_msg) { | |
| 420 *bytes_read = 0; | |
| 421 error_msg = NULL; | |
| 422 for (uint i = 0; i < ARRAY_SIZE(patterns); i++) { | |
| 423 if (2 == sscanf(line, patterns[i], class_name, method_name, bytes_read)) { | |
| 424 *c_mode = check_mode(class_name, error_msg); | |
| 425 *m_mode = check_mode(method_name, error_msg); | |
| 426 return *c_mode != MethodMatcher::Unknown && *m_mode != MethodMatcher::Unknown; | |
| 427 } | |
| 428 } | |
| 429 return false; | |
| 430 } | |
| 431 | |
| 432 | |
| 433 | |
| 434 void CompilerOracle::parse_from_line(char* line) { | |
| 435 if (line[0] == '\0') return; | |
| 436 if (line[0] == '#') return; | |
| 437 | |
| 438 bool have_colon = (strstr(line, "::") != NULL); | |
| 439 for (char* lp = line; *lp != '\0'; lp++) { | |
| 440 // Allow '.' to separate the class name from the method name. | |
| 441 // This is the preferred spelling of methods: | |
| 442 // exclude java/lang/String.indexOf(I)I | |
| 443 // Allow ',' for spaces (eases command line quoting). | |
| 444 // exclude,java/lang/String.indexOf | |
| 445 // For backward compatibility, allow space as separator also. | |
| 446 // exclude java/lang/String indexOf | |
| 447 // exclude,java/lang/String,indexOf | |
| 448 // For easy cut-and-paste of method names, allow VM output format | |
| 449 // as produced by methodOopDesc::print_short_name: | |
| 450 // exclude java.lang.String::indexOf | |
| 451 // For simple implementation convenience here, convert them all to space. | |
| 452 if (have_colon) { | |
| 453 if (*lp == '.') *lp = '/'; // dots build the package prefix | |
| 454 if (*lp == ':') *lp = ' '; | |
| 455 } | |
| 456 if (*lp == ',' || *lp == '.') *lp = ' '; | |
| 457 } | |
| 458 | |
| 459 char* original_line = line; | |
| 460 int bytes_read; | |
| 461 OracleCommand command = parse_command_name(line, &bytes_read); | |
| 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(); | |
|
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613 if (lists[PrintCommand] != NULL) { |
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614 if (PrintAssembly) { |
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615 warning("CompileCommand and/or .hotspot_compiler file contains 'print' commands, but PrintAssembly is also enabled"); |
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616 } else if (FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
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617 warning("printing of assembly code is enabled; turning on DebugNonSafepoints to gain additional output"); |
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618 DebugNonSafepoints = true; |
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619 } |
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620 } |
| 0 | 621 } |
| 622 | |
| 623 | |
| 624 void CompilerOracle::parse_compile_only(char * line) { | |
| 625 int i; | |
| 626 char name[1024]; | |
| 627 const char* className = NULL; | |
| 628 const char* methodName = NULL; | |
| 629 | |
| 630 bool have_colon = (strstr(line, "::") != NULL); | |
| 631 char method_sep = have_colon ? ':' : '.'; | |
| 632 | |
| 633 if (Verbose) { | |
| 634 tty->print_cr(line); | |
| 635 } | |
| 636 | |
| 637 ResourceMark rm; | |
| 638 while (*line != '\0') { | |
| 639 MethodMatcher::Mode c_match = MethodMatcher::Exact; | |
| 640 MethodMatcher::Mode m_match = MethodMatcher::Exact; | |
| 641 | |
| 642 for (i = 0; | |
| 643 i < 1024 && *line != '\0' && *line != method_sep && *line != ',' && !isspace(*line); | |
| 644 line++, i++) { | |
| 645 name[i] = *line; | |
| 646 if (name[i] == '.') name[i] = '/'; // package prefix uses '/' | |
| 647 } | |
| 648 | |
| 649 if (i > 0) { | |
| 650 char* newName = NEW_RESOURCE_ARRAY( char, i + 1); | |
| 651 if (newName == NULL) | |
| 652 return; | |
| 653 strncpy(newName, name, i); | |
| 654 newName[i] = '\0'; | |
| 655 | |
| 656 if (className == NULL) { | |
| 657 className = newName; | |
| 658 c_match = MethodMatcher::Prefix; | |
| 659 } else { | |
| 660 methodName = newName; | |
| 661 } | |
| 662 } | |
| 663 | |
| 664 if (*line == method_sep) { | |
| 665 if (className == NULL) { | |
| 666 className = ""; | |
| 667 c_match = MethodMatcher::Any; | |
| 668 } else { | |
| 669 // foo/bar.blah is an exact match on foo/bar, bar.blah is a suffix match on bar | |
| 670 if (strchr(className, '/') != NULL) { | |
| 671 c_match = MethodMatcher::Exact; | |
| 672 } else { | |
| 673 c_match = MethodMatcher::Suffix; | |
| 674 } | |
| 675 } | |
| 676 } else { | |
| 677 // got foo or foo/bar | |
| 678 if (className == NULL) { | |
| 679 ShouldNotReachHere(); | |
| 680 } else { | |
| 681 // got foo or foo/bar | |
| 682 if (strchr(className, '/') != NULL) { | |
| 683 c_match = MethodMatcher::Prefix; | |
| 684 } else if (className[0] == '\0') { | |
| 685 c_match = MethodMatcher::Any; | |
| 686 } else { | |
| 687 c_match = MethodMatcher::Substring; | |
| 688 } | |
| 689 } | |
| 690 } | |
| 691 | |
| 692 // each directive is terminated by , or NUL or . followed by NUL | |
| 693 if (*line == ',' || *line == '\0' || (line[0] == '.' && line[1] == '\0')) { | |
| 694 if (methodName == NULL) { | |
| 695 methodName = ""; | |
| 696 if (*line != method_sep) { | |
| 697 m_match = MethodMatcher::Any; | |
| 698 } | |
| 699 } | |
| 700 | |
| 701 EXCEPTION_MARK; | |
| 702 symbolHandle c_name = oopFactory::new_symbol_handle(className, CHECK); | |
| 703 symbolHandle m_name = oopFactory::new_symbol_handle(methodName, CHECK); | |
| 704 symbolHandle signature; | |
| 705 | |
| 706 add_predicate(CompileOnlyCommand, c_name, c_match, m_name, m_match, signature); | |
| 707 if (PrintVMOptions) { | |
| 708 tty->print("CompileOnly: compileonly "); | |
| 709 lists[CompileOnlyCommand]->print(); | |
| 710 } | |
| 711 | |
| 712 className = NULL; | |
| 713 methodName = NULL; | |
| 714 } | |
| 715 | |
| 716 line = *line == '\0' ? line : line + 1; | |
| 717 } | |
| 718 } |