src/share/vm/compiler/compilerOracle.cpp

Fri, 29 Apr 2016 00:06:10 +0800

author
aoqi
date
Fri, 29 Apr 2016 00:06:10 +0800
changeset 1
2d8a650513c2
parent 0
f90c822e73f8
child 6876
710a3c8b516e
permissions
-rw-r--r--

Added MIPS 64-bit port.

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 *
aoqi@0 23 */
aoqi@0 24
aoqi@0 25 #include "precompiled.hpp"
aoqi@0 26 #include "compiler/compilerOracle.hpp"
aoqi@0 27 #include "memory/allocation.inline.hpp"
aoqi@0 28 #include "memory/oopFactory.hpp"
aoqi@0 29 #include "memory/resourceArea.hpp"
aoqi@0 30 #include "oops/klass.hpp"
aoqi@0 31 #include "oops/method.hpp"
aoqi@0 32 #include "oops/oop.inline.hpp"
aoqi@0 33 #include "oops/symbol.hpp"
aoqi@0 34 #include "runtime/handles.inline.hpp"
aoqi@0 35 #include "runtime/jniHandles.hpp"
aoqi@0 36
aoqi@0 37 class MethodMatcher : public CHeapObj<mtCompiler> {
aoqi@0 38 public:
aoqi@0 39 enum Mode {
aoqi@0 40 Exact,
aoqi@0 41 Prefix = 1,
aoqi@0 42 Suffix = 2,
aoqi@0 43 Substring = Prefix | Suffix,
aoqi@0 44 Any,
aoqi@0 45 Unknown = -1
aoqi@0 46 };
aoqi@0 47
aoqi@0 48 protected:
aoqi@0 49 Symbol* _class_name;
aoqi@0 50 Symbol* _method_name;
aoqi@0 51 Symbol* _signature;
aoqi@0 52 Mode _class_mode;
aoqi@0 53 Mode _method_mode;
aoqi@0 54 MethodMatcher* _next;
aoqi@0 55
aoqi@0 56 static bool match(Symbol* candidate, Symbol* match, Mode match_mode);
aoqi@0 57
aoqi@0 58 Symbol* class_name() const { return _class_name; }
aoqi@0 59 Symbol* method_name() const { return _method_name; }
aoqi@0 60 Symbol* signature() const { return _signature; }
aoqi@0 61
aoqi@0 62 public:
aoqi@0 63 MethodMatcher(Symbol* class_name, Mode class_mode,
aoqi@0 64 Symbol* method_name, Mode method_mode,
aoqi@0 65 Symbol* signature, MethodMatcher* next);
aoqi@0 66 MethodMatcher(Symbol* class_name, Symbol* method_name, MethodMatcher* next);
aoqi@0 67
aoqi@0 68 // utility method
aoqi@0 69 MethodMatcher* find(methodHandle method) {
aoqi@0 70 Symbol* class_name = method->method_holder()->name();
aoqi@0 71 Symbol* method_name = method->name();
aoqi@0 72 for (MethodMatcher* current = this; current != NULL; current = current->_next) {
aoqi@0 73 if (match(class_name, current->class_name(), current->_class_mode) &&
aoqi@0 74 match(method_name, current->method_name(), current->_method_mode) &&
aoqi@0 75 (current->signature() == NULL || current->signature() == method->signature())) {
aoqi@0 76 return current;
aoqi@0 77 }
aoqi@0 78 }
aoqi@0 79 return NULL;
aoqi@0 80 }
aoqi@0 81
aoqi@0 82 bool match(methodHandle method) {
aoqi@0 83 return find(method) != NULL;
aoqi@0 84 }
aoqi@0 85
aoqi@0 86 MethodMatcher* next() const { return _next; }
aoqi@0 87
aoqi@0 88 static void print_symbol(Symbol* h, Mode mode) {
aoqi@0 89 ResourceMark rm;
aoqi@0 90
aoqi@0 91 if (mode == Suffix || mode == Substring || mode == Any) {
aoqi@0 92 tty->print("*");
aoqi@0 93 }
aoqi@0 94 if (mode != Any) {
aoqi@0 95 h->print_symbol_on(tty);
aoqi@0 96 }
aoqi@0 97 if (mode == Prefix || mode == Substring) {
aoqi@0 98 tty->print("*");
aoqi@0 99 }
aoqi@0 100 }
aoqi@0 101
aoqi@0 102 void print_base() {
aoqi@0 103 print_symbol(class_name(), _class_mode);
aoqi@0 104 tty->print(".");
aoqi@0 105 print_symbol(method_name(), _method_mode);
aoqi@0 106 if (signature() != NULL) {
aoqi@0 107 tty->print(" ");
aoqi@0 108 signature()->print_symbol_on(tty);
aoqi@0 109 }
aoqi@0 110 }
aoqi@0 111
aoqi@0 112 virtual void print() {
aoqi@0 113 print_base();
aoqi@0 114 tty->cr();
aoqi@0 115 }
aoqi@0 116 };
aoqi@0 117
aoqi@0 118 MethodMatcher::MethodMatcher(Symbol* class_name, Symbol* method_name, MethodMatcher* next) {
aoqi@0 119 _class_name = class_name;
aoqi@0 120 _method_name = method_name;
aoqi@0 121 _next = next;
aoqi@0 122 _class_mode = MethodMatcher::Exact;
aoqi@0 123 _method_mode = MethodMatcher::Exact;
aoqi@0 124 _signature = NULL;
aoqi@0 125 }
aoqi@0 126
aoqi@0 127
aoqi@0 128 MethodMatcher::MethodMatcher(Symbol* class_name, Mode class_mode,
aoqi@0 129 Symbol* method_name, Mode method_mode,
aoqi@0 130 Symbol* signature, MethodMatcher* next):
aoqi@0 131 _class_mode(class_mode)
aoqi@0 132 , _method_mode(method_mode)
aoqi@0 133 , _next(next)
aoqi@0 134 , _class_name(class_name)
aoqi@0 135 , _method_name(method_name)
aoqi@0 136 , _signature(signature) {
aoqi@0 137 }
aoqi@0 138
aoqi@0 139 bool MethodMatcher::match(Symbol* candidate, Symbol* match, Mode match_mode) {
aoqi@0 140 if (match_mode == Any) {
aoqi@0 141 return true;
aoqi@0 142 }
aoqi@0 143
aoqi@0 144 if (match_mode == Exact) {
aoqi@0 145 return candidate == match;
aoqi@0 146 }
aoqi@0 147
aoqi@0 148 ResourceMark rm;
aoqi@0 149 const char * candidate_string = candidate->as_C_string();
aoqi@0 150 const char * match_string = match->as_C_string();
aoqi@0 151
aoqi@0 152 switch (match_mode) {
aoqi@0 153 case Prefix:
aoqi@0 154 return strstr(candidate_string, match_string) == candidate_string;
aoqi@0 155
aoqi@0 156 case Suffix: {
aoqi@0 157 size_t clen = strlen(candidate_string);
aoqi@0 158 size_t mlen = strlen(match_string);
aoqi@0 159 return clen >= mlen && strcmp(candidate_string + clen - mlen, match_string) == 0;
aoqi@0 160 }
aoqi@0 161
aoqi@0 162 case Substring:
aoqi@0 163 return strstr(candidate_string, match_string) != NULL;
aoqi@0 164
aoqi@0 165 default:
aoqi@0 166 return false;
aoqi@0 167 }
aoqi@0 168 }
aoqi@0 169
aoqi@0 170
aoqi@0 171 class MethodOptionMatcher: public MethodMatcher {
aoqi@0 172 const char * option;
aoqi@0 173 public:
aoqi@0 174 MethodOptionMatcher(Symbol* class_name, Mode class_mode,
aoqi@0 175 Symbol* method_name, Mode method_mode,
aoqi@0 176 Symbol* signature, const char * opt, MethodMatcher* next):
aoqi@0 177 MethodMatcher(class_name, class_mode, method_name, method_mode, signature, next) {
aoqi@0 178 option = opt;
aoqi@0 179 }
aoqi@0 180
aoqi@0 181 bool match(methodHandle method, const char* opt) {
aoqi@0 182 MethodOptionMatcher* current = this;
aoqi@0 183 while (current != NULL) {
aoqi@0 184 current = (MethodOptionMatcher*)current->find(method);
aoqi@0 185 if (current == NULL) {
aoqi@0 186 return false;
aoqi@0 187 }
aoqi@0 188 if (strcmp(current->option, opt) == 0) {
aoqi@0 189 return true;
aoqi@0 190 }
aoqi@0 191 current = current->next();
aoqi@0 192 }
aoqi@0 193 return false;
aoqi@0 194 }
aoqi@0 195
aoqi@0 196 MethodOptionMatcher* next() {
aoqi@0 197 return (MethodOptionMatcher*)_next;
aoqi@0 198 }
aoqi@0 199
aoqi@0 200 virtual void print() {
aoqi@0 201 print_base();
aoqi@0 202 tty->print(" %s", option);
aoqi@0 203 tty->cr();
aoqi@0 204 }
aoqi@0 205 };
aoqi@0 206
aoqi@0 207
aoqi@0 208
aoqi@0 209 // this must parallel the command_names below
aoqi@0 210 enum OracleCommand {
aoqi@0 211 UnknownCommand = -1,
aoqi@0 212 OracleFirstCommand = 0,
aoqi@0 213 BreakCommand = OracleFirstCommand,
aoqi@0 214 PrintCommand,
aoqi@0 215 ExcludeCommand,
aoqi@0 216 InlineCommand,
aoqi@0 217 DontInlineCommand,
aoqi@0 218 CompileOnlyCommand,
aoqi@0 219 LogCommand,
aoqi@0 220 OptionCommand,
aoqi@0 221 QuietCommand,
aoqi@0 222 HelpCommand,
aoqi@0 223 OracleCommandCount
aoqi@0 224 };
aoqi@0 225
aoqi@0 226 // this must parallel the enum OracleCommand
aoqi@0 227 static const char * command_names[] = {
aoqi@0 228 "break",
aoqi@0 229 "print",
aoqi@0 230 "exclude",
aoqi@0 231 "inline",
aoqi@0 232 "dontinline",
aoqi@0 233 "compileonly",
aoqi@0 234 "log",
aoqi@0 235 "option",
aoqi@0 236 "quiet",
aoqi@0 237 "help"
aoqi@0 238 };
aoqi@0 239
aoqi@0 240 class MethodMatcher;
aoqi@0 241 static MethodMatcher* lists[OracleCommandCount] = { 0, };
aoqi@0 242
aoqi@0 243
aoqi@0 244 static bool check_predicate(OracleCommand command, methodHandle method) {
aoqi@0 245 return ((lists[command] != NULL) &&
aoqi@0 246 !method.is_null() &&
aoqi@0 247 lists[command]->match(method));
aoqi@0 248 }
aoqi@0 249
aoqi@0 250
aoqi@0 251 static MethodMatcher* add_predicate(OracleCommand command,
aoqi@0 252 Symbol* class_name, MethodMatcher::Mode c_mode,
aoqi@0 253 Symbol* method_name, MethodMatcher::Mode m_mode,
aoqi@0 254 Symbol* signature) {
aoqi@0 255 assert(command != OptionCommand, "must use add_option_string");
aoqi@0 256 if (command == LogCommand && !LogCompilation && lists[LogCommand] == NULL)
aoqi@0 257 tty->print_cr("Warning: +LogCompilation must be enabled in order for individual methods to be logged.");
aoqi@0 258 lists[command] = new MethodMatcher(class_name, c_mode, method_name, m_mode, signature, lists[command]);
aoqi@0 259 return lists[command];
aoqi@0 260 }
aoqi@0 261
aoqi@0 262
aoqi@0 263
aoqi@0 264 static MethodMatcher* add_option_string(Symbol* class_name, MethodMatcher::Mode c_mode,
aoqi@0 265 Symbol* method_name, MethodMatcher::Mode m_mode,
aoqi@0 266 Symbol* signature,
aoqi@0 267 const char* option) {
aoqi@0 268 lists[OptionCommand] = new MethodOptionMatcher(class_name, c_mode, method_name, m_mode,
aoqi@0 269 signature, option, lists[OptionCommand]);
aoqi@0 270 return lists[OptionCommand];
aoqi@0 271 }
aoqi@0 272
aoqi@0 273
aoqi@0 274 bool CompilerOracle::has_option_string(methodHandle method, const char* option) {
aoqi@0 275 return lists[OptionCommand] != NULL &&
aoqi@0 276 ((MethodOptionMatcher*)lists[OptionCommand])->match(method, option);
aoqi@0 277 }
aoqi@0 278
aoqi@0 279
aoqi@0 280 bool CompilerOracle::should_exclude(methodHandle method, bool& quietly) {
aoqi@0 281 quietly = true;
aoqi@0 282 if (lists[ExcludeCommand] != NULL) {
aoqi@0 283 if (lists[ExcludeCommand]->match(method)) {
aoqi@0 284 quietly = _quiet;
aoqi@0 285 return true;
aoqi@0 286 }
aoqi@0 287 }
aoqi@0 288
aoqi@0 289 if (lists[CompileOnlyCommand] != NULL) {
aoqi@0 290 return !lists[CompileOnlyCommand]->match(method);
aoqi@0 291 }
aoqi@0 292 return false;
aoqi@0 293 }
aoqi@0 294
aoqi@0 295
aoqi@0 296 bool CompilerOracle::should_inline(methodHandle method) {
aoqi@0 297 return (check_predicate(InlineCommand, method));
aoqi@0 298 }
aoqi@0 299
aoqi@0 300
aoqi@0 301 bool CompilerOracle::should_not_inline(methodHandle method) {
aoqi@0 302 return (check_predicate(DontInlineCommand, method));
aoqi@0 303 }
aoqi@0 304
aoqi@0 305
aoqi@0 306 bool CompilerOracle::should_print(methodHandle method) {
aoqi@0 307 return (check_predicate(PrintCommand, method));
aoqi@0 308 }
aoqi@0 309
aoqi@0 310
aoqi@0 311 bool CompilerOracle::should_log(methodHandle method) {
aoqi@0 312 if (!LogCompilation) return false;
aoqi@0 313 if (lists[LogCommand] == NULL) return true; // by default, log all
aoqi@0 314 return (check_predicate(LogCommand, method));
aoqi@0 315 }
aoqi@0 316
aoqi@0 317
aoqi@0 318 bool CompilerOracle::should_break_at(methodHandle method) {
aoqi@0 319 return check_predicate(BreakCommand, method);
aoqi@0 320 }
aoqi@0 321
aoqi@0 322
aoqi@0 323 static OracleCommand parse_command_name(const char * line, int* bytes_read) {
aoqi@0 324 assert(ARRAY_SIZE(command_names) == OracleCommandCount,
aoqi@0 325 "command_names size mismatch");
aoqi@0 326
aoqi@0 327 *bytes_read = 0;
aoqi@0 328 char command[33];
aoqi@0 329 int result = sscanf(line, "%32[a-z]%n", command, bytes_read);
aoqi@0 330 for (uint i = 0; i < ARRAY_SIZE(command_names); i++) {
aoqi@0 331 if (strcmp(command, command_names[i]) == 0) {
aoqi@0 332 return (OracleCommand)i;
aoqi@0 333 }
aoqi@0 334 }
aoqi@0 335 return UnknownCommand;
aoqi@0 336 }
aoqi@0 337
aoqi@0 338
aoqi@0 339 static void usage() {
aoqi@0 340 tty->print_cr(" CompileCommand and the CompilerOracle allows simple control over");
aoqi@0 341 tty->print_cr(" what's allowed to be compiled. The standard supported directives");
aoqi@0 342 tty->print_cr(" are exclude and compileonly. The exclude directive stops a method");
aoqi@0 343 tty->print_cr(" from being compiled and compileonly excludes all methods except for");
aoqi@0 344 tty->print_cr(" the ones mentioned by compileonly directives. The basic form of");
aoqi@0 345 tty->print_cr(" all commands is a command name followed by the name of the method");
aoqi@0 346 tty->print_cr(" in one of two forms: the standard class file format as in");
aoqi@0 347 tty->print_cr(" class/name.methodName or the PrintCompilation format");
aoqi@0 348 tty->print_cr(" class.name::methodName. The method name can optionally be followed");
aoqi@0 349 tty->print_cr(" by a space then the signature of the method in the class file");
aoqi@0 350 tty->print_cr(" format. Otherwise the directive applies to all methods with the");
aoqi@0 351 tty->print_cr(" same name and class regardless of signature. Leading and trailing");
aoqi@0 352 tty->print_cr(" *'s in the class and/or method name allows a small amount of");
aoqi@0 353 tty->print_cr(" wildcarding. ");
aoqi@0 354 tty->cr();
aoqi@0 355 tty->print_cr(" Examples:");
aoqi@0 356 tty->cr();
aoqi@0 357 tty->print_cr(" exclude java/lang/StringBuffer.append");
aoqi@0 358 tty->print_cr(" compileonly java/lang/StringBuffer.toString ()Ljava/lang/String;");
aoqi@0 359 tty->print_cr(" exclude java/lang/String*.*");
aoqi@0 360 tty->print_cr(" exclude *.toString");
aoqi@0 361 }
aoqi@0 362
aoqi@0 363
aoqi@0 364 // The characters allowed in a class or method name. All characters > 0x7f
aoqi@0 365 // are allowed in order to handle obfuscated class files (e.g. Volano)
aoqi@0 366 #define RANGEBASE "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789$_<>" \
aoqi@0 367 "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f" \
aoqi@0 368 "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f" \
aoqi@0 369 "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf" \
aoqi@0 370 "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf" \
aoqi@0 371 "\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf" \
aoqi@0 372 "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf" \
aoqi@0 373 "\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef" \
aoqi@0 374 "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"
aoqi@0 375
aoqi@0 376 #define RANGE0 "[*" RANGEBASE "]"
aoqi@0 377 #define RANGEDOT "[*" RANGEBASE ".]"
aoqi@0 378 #define RANGESLASH "[*" RANGEBASE "/]"
aoqi@0 379
aoqi@0 380
aoqi@0 381 // Accept several syntaxes for these patterns
aoqi@0 382 // original syntax
aoqi@0 383 // cmd java.lang.String foo
aoqi@0 384 // PrintCompilation syntax
aoqi@0 385 // cmd java.lang.String::foo
aoqi@0 386 // VM syntax
aoqi@0 387 // cmd java/lang/String[. ]foo
aoqi@0 388 //
aoqi@0 389
aoqi@0 390 static const char* patterns[] = {
aoqi@0 391 "%*[ \t]%255" RANGEDOT " " "%255" RANGE0 "%n",
aoqi@0 392 "%*[ \t]%255" RANGEDOT "::" "%255" RANGE0 "%n",
aoqi@0 393 "%*[ \t]%255" RANGESLASH "%*[ .]" "%255" RANGE0 "%n",
aoqi@0 394 };
aoqi@0 395
aoqi@0 396 static MethodMatcher::Mode check_mode(char name[], const char*& error_msg) {
aoqi@0 397 int match = MethodMatcher::Exact;
aoqi@0 398 while (name[0] == '*') {
aoqi@0 399 match |= MethodMatcher::Suffix;
aoqi@0 400 strcpy(name, name + 1);
aoqi@0 401 }
aoqi@0 402
aoqi@0 403 if (strcmp(name, "*") == 0) return MethodMatcher::Any;
aoqi@0 404
aoqi@0 405 size_t len = strlen(name);
aoqi@0 406 while (len > 0 && name[len - 1] == '*') {
aoqi@0 407 match |= MethodMatcher::Prefix;
aoqi@0 408 name[--len] = '\0';
aoqi@0 409 }
aoqi@0 410
aoqi@0 411 if (strstr(name, "*") != NULL) {
aoqi@0 412 error_msg = " Embedded * not allowed";
aoqi@0 413 return MethodMatcher::Unknown;
aoqi@0 414 }
aoqi@0 415 return (MethodMatcher::Mode)match;
aoqi@0 416 }
aoqi@0 417
aoqi@0 418 static bool scan_line(const char * line,
aoqi@0 419 char class_name[], MethodMatcher::Mode* c_mode,
aoqi@0 420 char method_name[], MethodMatcher::Mode* m_mode,
aoqi@0 421 int* bytes_read, const char*& error_msg) {
aoqi@0 422 *bytes_read = 0;
aoqi@0 423 error_msg = NULL;
aoqi@0 424 for (uint i = 0; i < ARRAY_SIZE(patterns); i++) {
aoqi@0 425 if (2 == sscanf(line, patterns[i], class_name, method_name, bytes_read)) {
aoqi@0 426 *c_mode = check_mode(class_name, error_msg);
aoqi@0 427 *m_mode = check_mode(method_name, error_msg);
aoqi@0 428 return *c_mode != MethodMatcher::Unknown && *m_mode != MethodMatcher::Unknown;
aoqi@0 429 }
aoqi@0 430 }
aoqi@0 431 return false;
aoqi@0 432 }
aoqi@0 433
aoqi@0 434
aoqi@0 435
aoqi@0 436 void CompilerOracle::parse_from_line(char* line) {
aoqi@0 437 if (line[0] == '\0') return;
aoqi@0 438 if (line[0] == '#') return;
aoqi@0 439
aoqi@0 440 bool have_colon = (strstr(line, "::") != NULL);
aoqi@0 441 for (char* lp = line; *lp != '\0'; lp++) {
aoqi@0 442 // Allow '.' to separate the class name from the method name.
aoqi@0 443 // This is the preferred spelling of methods:
aoqi@0 444 // exclude java/lang/String.indexOf(I)I
aoqi@0 445 // Allow ',' for spaces (eases command line quoting).
aoqi@0 446 // exclude,java/lang/String.indexOf
aoqi@0 447 // For backward compatibility, allow space as separator also.
aoqi@0 448 // exclude java/lang/String indexOf
aoqi@0 449 // exclude,java/lang/String,indexOf
aoqi@0 450 // For easy cut-and-paste of method names, allow VM output format
aoqi@0 451 // as produced by Method::print_short_name:
aoqi@0 452 // exclude java.lang.String::indexOf
aoqi@0 453 // For simple implementation convenience here, convert them all to space.
aoqi@0 454 if (have_colon) {
aoqi@0 455 if (*lp == '.') *lp = '/'; // dots build the package prefix
aoqi@0 456 if (*lp == ':') *lp = ' ';
aoqi@0 457 }
aoqi@0 458 if (*lp == ',' || *lp == '.') *lp = ' ';
aoqi@0 459 }
aoqi@0 460
aoqi@0 461 char* original_line = line;
aoqi@0 462 int bytes_read;
aoqi@0 463 OracleCommand command = parse_command_name(line, &bytes_read);
aoqi@0 464 line += bytes_read;
aoqi@0 465
aoqi@0 466 if (command == UnknownCommand) {
aoqi@0 467 tty->print_cr("CompilerOracle: unrecognized line");
aoqi@0 468 tty->print_cr(" \"%s\"", original_line);
aoqi@0 469 return;
aoqi@0 470 }
aoqi@0 471
aoqi@0 472 if (command == QuietCommand) {
aoqi@0 473 _quiet = true;
aoqi@0 474 return;
aoqi@0 475 }
aoqi@0 476
aoqi@0 477 if (command == HelpCommand) {
aoqi@0 478 usage();
aoqi@0 479 return;
aoqi@0 480 }
aoqi@0 481
aoqi@0 482 MethodMatcher::Mode c_match = MethodMatcher::Exact;
aoqi@0 483 MethodMatcher::Mode m_match = MethodMatcher::Exact;
aoqi@0 484 char class_name[256];
aoqi@0 485 char method_name[256];
aoqi@0 486 char sig[1024];
aoqi@0 487 char errorbuf[1024];
aoqi@0 488 const char* error_msg = NULL;
aoqi@0 489 MethodMatcher* match = NULL;
aoqi@0 490
aoqi@0 491 if (scan_line(line, class_name, &c_match, method_name, &m_match, &bytes_read, error_msg)) {
aoqi@0 492 EXCEPTION_MARK;
aoqi@0 493 Symbol* c_name = SymbolTable::new_symbol(class_name, CHECK);
aoqi@0 494 Symbol* m_name = SymbolTable::new_symbol(method_name, CHECK);
aoqi@0 495 Symbol* signature = NULL;
aoqi@0 496
aoqi@0 497 line += bytes_read;
aoqi@0 498 // there might be a signature following the method.
aoqi@0 499 // signatures always begin with ( so match that by hand
aoqi@0 500 if (1 == sscanf(line, "%*[ \t](%254[[);/" RANGEBASE "]%n", sig + 1, &bytes_read)) {
aoqi@0 501 sig[0] = '(';
aoqi@0 502 line += bytes_read;
aoqi@0 503 signature = SymbolTable::new_symbol(sig, CHECK);
aoqi@0 504 }
aoqi@0 505
aoqi@0 506 if (command == OptionCommand) {
aoqi@0 507 // Look for trailing options to support
aoqi@0 508 // ciMethod::has_option("string") to control features in the
aoqi@0 509 // compiler. Multiple options may follow the method name.
aoqi@0 510 char option[256];
aoqi@0 511 while (sscanf(line, "%*[ \t]%255[a-zA-Z0-9]%n", option, &bytes_read) == 1) {
aoqi@0 512 if (match != NULL && !_quiet) {
aoqi@0 513 // Print out the last match added
aoqi@0 514 tty->print("CompilerOracle: %s ", command_names[command]);
aoqi@0 515 match->print();
aoqi@0 516 }
aoqi@0 517 match = add_option_string(c_name, c_match, m_name, m_match, signature, strdup(option));
aoqi@0 518 line += bytes_read;
aoqi@0 519 }
aoqi@0 520 } else {
aoqi@0 521 bytes_read = 0;
aoqi@0 522 sscanf(line, "%*[ \t]%n", &bytes_read);
aoqi@0 523 if (line[bytes_read] != '\0') {
aoqi@0 524 jio_snprintf(errorbuf, sizeof(errorbuf), " Unrecognized text after command: %s", line);
aoqi@0 525 error_msg = errorbuf;
aoqi@0 526 } else {
aoqi@0 527 match = add_predicate(command, c_name, c_match, m_name, m_match, signature);
aoqi@0 528 }
aoqi@0 529 }
aoqi@0 530 }
aoqi@0 531
aoqi@0 532 if (match != NULL) {
aoqi@0 533 if (!_quiet) {
aoqi@0 534 ResourceMark rm;
aoqi@0 535 tty->print("CompilerOracle: %s ", command_names[command]);
aoqi@0 536 match->print();
aoqi@0 537 }
aoqi@0 538 } else {
aoqi@0 539 tty->print_cr("CompilerOracle: unrecognized line");
aoqi@0 540 tty->print_cr(" \"%s\"", original_line);
aoqi@0 541 if (error_msg != NULL) {
aoqi@0 542 tty->print_cr("%s", error_msg);
aoqi@0 543 }
aoqi@0 544 }
aoqi@0 545 }
aoqi@0 546
aoqi@0 547 static const char* default_cc_file = ".hotspot_compiler";
aoqi@0 548
aoqi@0 549 static const char* cc_file() {
aoqi@0 550 #ifdef ASSERT
aoqi@0 551 if (CompileCommandFile == NULL)
aoqi@0 552 return default_cc_file;
aoqi@0 553 #endif
aoqi@0 554 return CompileCommandFile;
aoqi@0 555 }
aoqi@0 556
aoqi@0 557 bool CompilerOracle::has_command_file() {
aoqi@0 558 return cc_file() != NULL;
aoqi@0 559 }
aoqi@0 560
aoqi@0 561 bool CompilerOracle::_quiet = false;
aoqi@0 562
aoqi@0 563 void CompilerOracle::parse_from_file() {
aoqi@0 564 assert(has_command_file(), "command file must be specified");
aoqi@0 565 FILE* stream = fopen(cc_file(), "rt");
aoqi@0 566 if (stream == NULL) return;
aoqi@0 567
aoqi@0 568 char token[1024];
aoqi@0 569 int pos = 0;
aoqi@0 570 int c = getc(stream);
aoqi@0 571 while(c != EOF && pos < (int)(sizeof(token)-1)) {
aoqi@0 572 if (c == '\n') {
aoqi@0 573 token[pos++] = '\0';
aoqi@0 574 parse_from_line(token);
aoqi@0 575 pos = 0;
aoqi@0 576 } else {
aoqi@0 577 token[pos++] = c;
aoqi@0 578 }
aoqi@0 579 c = getc(stream);
aoqi@0 580 }
aoqi@0 581 token[pos++] = '\0';
aoqi@0 582 parse_from_line(token);
aoqi@0 583
aoqi@0 584 fclose(stream);
aoqi@0 585 }
aoqi@0 586
aoqi@0 587 void CompilerOracle::parse_from_string(const char* str, void (*parse_line)(char*)) {
aoqi@0 588 char token[1024];
aoqi@0 589 int pos = 0;
aoqi@0 590 const char* sp = str;
aoqi@0 591 int c = *sp++;
aoqi@0 592 while (c != '\0' && pos < (int)(sizeof(token)-1)) {
aoqi@0 593 if (c == '\n') {
aoqi@0 594 token[pos++] = '\0';
aoqi@0 595 parse_line(token);
aoqi@0 596 pos = 0;
aoqi@0 597 } else {
aoqi@0 598 token[pos++] = c;
aoqi@0 599 }
aoqi@0 600 c = *sp++;
aoqi@0 601 }
aoqi@0 602 token[pos++] = '\0';
aoqi@0 603 parse_line(token);
aoqi@0 604 }
aoqi@0 605
aoqi@0 606 void CompilerOracle::append_comment_to_file(const char* message) {
aoqi@0 607 assert(has_command_file(), "command file must be specified");
aoqi@0 608 fileStream stream(fopen(cc_file(), "at"));
aoqi@0 609 stream.print("# ");
aoqi@0 610 for (int index = 0; message[index] != '\0'; index++) {
aoqi@0 611 stream.put(message[index]);
aoqi@0 612 if (message[index] == '\n') stream.print("# ");
aoqi@0 613 }
aoqi@0 614 stream.cr();
aoqi@0 615 }
aoqi@0 616
aoqi@0 617 void CompilerOracle::append_exclude_to_file(methodHandle method) {
aoqi@0 618 assert(has_command_file(), "command file must be specified");
aoqi@0 619 fileStream stream(fopen(cc_file(), "at"));
aoqi@0 620 stream.print("exclude ");
aoqi@0 621 method->method_holder()->name()->print_symbol_on(&stream);
aoqi@0 622 stream.print(".");
aoqi@0 623 method->name()->print_symbol_on(&stream);
aoqi@0 624 method->signature()->print_symbol_on(&stream);
aoqi@0 625 stream.cr();
aoqi@0 626 stream.cr();
aoqi@0 627 }
aoqi@0 628
aoqi@0 629
aoqi@0 630 void compilerOracle_init() {
aoqi@0 631 CompilerOracle::parse_from_string(CompileCommand, CompilerOracle::parse_from_line);
aoqi@0 632 CompilerOracle::parse_from_string(CompileOnly, CompilerOracle::parse_compile_only);
aoqi@0 633 if (CompilerOracle::has_command_file()) {
aoqi@0 634 CompilerOracle::parse_from_file();
aoqi@0 635 } else {
aoqi@0 636 struct stat buf;
aoqi@0 637 if (os::stat(default_cc_file, &buf) == 0) {
aoqi@0 638 warning("%s file is present but has been ignored. "
aoqi@0 639 "Run with -XX:CompileCommandFile=%s to load the file.",
aoqi@0 640 default_cc_file, default_cc_file);
aoqi@0 641 }
aoqi@0 642 }
aoqi@0 643 if (lists[PrintCommand] != NULL) {
aoqi@0 644 if (PrintAssembly) {
aoqi@0 645 warning("CompileCommand and/or %s file contains 'print' commands, but PrintAssembly is also enabled", default_cc_file);
aoqi@0 646 } else if (FLAG_IS_DEFAULT(DebugNonSafepoints)) {
aoqi@0 647 warning("printing of assembly code is enabled; turning on DebugNonSafepoints to gain additional output");
aoqi@0 648 DebugNonSafepoints = true;
aoqi@0 649 }
aoqi@0 650 }
aoqi@0 651 }
aoqi@0 652
aoqi@0 653
aoqi@0 654 void CompilerOracle::parse_compile_only(char * line) {
aoqi@0 655 int i;
aoqi@0 656 char name[1024];
aoqi@0 657 const char* className = NULL;
aoqi@0 658 const char* methodName = NULL;
aoqi@0 659
aoqi@0 660 bool have_colon = (strstr(line, "::") != NULL);
aoqi@0 661 char method_sep = have_colon ? ':' : '.';
aoqi@0 662
aoqi@0 663 if (Verbose) {
aoqi@0 664 tty->print_cr("%s", line);
aoqi@0 665 }
aoqi@0 666
aoqi@0 667 ResourceMark rm;
aoqi@0 668 while (*line != '\0') {
aoqi@0 669 MethodMatcher::Mode c_match = MethodMatcher::Exact;
aoqi@0 670 MethodMatcher::Mode m_match = MethodMatcher::Exact;
aoqi@0 671
aoqi@0 672 for (i = 0;
aoqi@0 673 i < 1024 && *line != '\0' && *line != method_sep && *line != ',' && !isspace(*line);
aoqi@0 674 line++, i++) {
aoqi@0 675 name[i] = *line;
aoqi@0 676 if (name[i] == '.') name[i] = '/'; // package prefix uses '/'
aoqi@0 677 }
aoqi@0 678
aoqi@0 679 if (i > 0) {
aoqi@0 680 char* newName = NEW_RESOURCE_ARRAY( char, i + 1);
aoqi@0 681 if (newName == NULL)
aoqi@0 682 return;
aoqi@0 683 strncpy(newName, name, i);
aoqi@0 684 newName[i] = '\0';
aoqi@0 685
aoqi@0 686 if (className == NULL) {
aoqi@0 687 className = newName;
aoqi@0 688 c_match = MethodMatcher::Prefix;
aoqi@0 689 } else {
aoqi@0 690 methodName = newName;
aoqi@0 691 }
aoqi@0 692 }
aoqi@0 693
aoqi@0 694 if (*line == method_sep) {
aoqi@0 695 if (className == NULL) {
aoqi@0 696 className = "";
aoqi@0 697 c_match = MethodMatcher::Any;
aoqi@0 698 } else {
aoqi@0 699 // foo/bar.blah is an exact match on foo/bar, bar.blah is a suffix match on bar
aoqi@0 700 if (strchr(className, '/') != NULL) {
aoqi@0 701 c_match = MethodMatcher::Exact;
aoqi@0 702 } else {
aoqi@0 703 c_match = MethodMatcher::Suffix;
aoqi@0 704 }
aoqi@0 705 }
aoqi@0 706 } else {
aoqi@0 707 // got foo or foo/bar
aoqi@0 708 if (className == NULL) {
aoqi@0 709 ShouldNotReachHere();
aoqi@0 710 } else {
aoqi@0 711 // got foo or foo/bar
aoqi@0 712 if (strchr(className, '/') != NULL) {
aoqi@0 713 c_match = MethodMatcher::Prefix;
aoqi@0 714 } else if (className[0] == '\0') {
aoqi@0 715 c_match = MethodMatcher::Any;
aoqi@0 716 } else {
aoqi@0 717 c_match = MethodMatcher::Substring;
aoqi@0 718 }
aoqi@0 719 }
aoqi@0 720 }
aoqi@0 721
aoqi@0 722 // each directive is terminated by , or NUL or . followed by NUL
aoqi@0 723 if (*line == ',' || *line == '\0' || (line[0] == '.' && line[1] == '\0')) {
aoqi@0 724 if (methodName == NULL) {
aoqi@0 725 methodName = "";
aoqi@0 726 if (*line != method_sep) {
aoqi@0 727 m_match = MethodMatcher::Any;
aoqi@0 728 }
aoqi@0 729 }
aoqi@0 730
aoqi@0 731 EXCEPTION_MARK;
aoqi@0 732 Symbol* c_name = SymbolTable::new_symbol(className, CHECK);
aoqi@0 733 Symbol* m_name = SymbolTable::new_symbol(methodName, CHECK);
aoqi@0 734 Symbol* signature = NULL;
aoqi@0 735
aoqi@0 736 add_predicate(CompileOnlyCommand, c_name, c_match, m_name, m_match, signature);
aoqi@0 737 if (PrintVMOptions) {
aoqi@0 738 tty->print("CompileOnly: compileonly ");
aoqi@0 739 lists[CompileOnlyCommand]->print();
aoqi@0 740 }
aoqi@0 741
aoqi@0 742 className = NULL;
aoqi@0 743 methodName = NULL;
aoqi@0 744 }
aoqi@0 745
aoqi@0 746 line = *line == '\0' ? line : line + 1;
aoqi@0 747 }
aoqi@0 748 }

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