1 /* 2 * Copyright (c) 1995, 2014, Oracle and/or its affiliates. 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* 27 * Shared source for 'java' command line tool. 28 * 29 * If JAVA_ARGS is defined, then acts as a launcher for applications. For 30 * instance, the JDK command line tools such as javac and javadoc (see 31 * makefiles for more details) are built with this program. Any arguments 32 * prefixed with '-J' will be passed directly to the 'java' command. 33 */ 34 35 /* 36 * One job of the launcher is to remove command line options which the 37 * vm does not understand and will not process. These options include 38 * options which select which style of vm is run (e.g. -client and 39 * -server) as well as options which select the data model to use. 40 * Additionally, for tools which invoke an underlying vm "-J-foo" 41 * options are turned into "-foo" options to the vm. This option 42 * filtering is handled in a number of places in the launcher, some of 43 * it in machine-dependent code. In this file, the function 44 * CheckJvmType removes vm style options and TranslateApplicationArgs 45 * removes "-J" prefixes. The CreateExecutionEnvironment function processes 46 * and removes -d<n> options. On unix, there is a possibility that the running 47 * data model may not match to the desired data model, in this case an exec is 48 * required to start the desired model. If the data models match, then 49 * ParseArguments will remove the -d<n> flags. If the data models do not match 50 * the CreateExecutionEnviroment will remove the -d<n> flags. 51 */ 52 53 54 #include "java.h" 55 56 /* 57 * A NOTE TO DEVELOPERS: For performance reasons it is important that 58 * the program image remain relatively small until after SelectVersion 59 * CreateExecutionEnvironment have finished their possibly recursive 60 * processing. Watch everything, but resist all temptations to use Java 61 * interfaces. 62 */ 63 64 /* we always print to stderr */ 65 #define USE_STDERR JNI_TRUE 66 67 static jboolean printVersion = JNI_FALSE; /* print and exit */ 68 static jboolean showVersion = JNI_FALSE; /* print but continue */ 69 static jboolean printUsage = JNI_FALSE; /* print and exit*/ 70 static jboolean printXUsage = JNI_FALSE; /* print and exit*/ 71 static char *showSettings = NULL; /* print but continue */ 72 73 static const char *_program_name; 74 static const char *_launcher_name; 75 static jboolean _is_java_args = JNI_FALSE; 76 static const char *_fVersion; 77 static const char *_dVersion; 78 static jboolean _wc_enabled = JNI_FALSE; 79 static jint _ergo_policy = DEFAULT_POLICY; 80 81 /* 82 * Entries for splash screen environment variables. 83 * putenv is performed in SelectVersion. We need 84 * them in memory until UnsetEnv, so they are made static 85 * global instead of auto local. 86 */ 87 static char* splash_file_entry = NULL; 88 static char* splash_jar_entry = NULL; 89 90 /* 91 * List of VM options to be specified when the VM is created. 92 */ 93 static JavaVMOption *options; 94 static int numOptions, maxOptions; 95 96 /* 97 * Prototypes for functions internal to launcher. 98 */ 99 static void SetClassPath(const char *s); 100 static void SelectVersion(int argc, char **argv, char **main_class); 101 static void SetJvmEnvironment(int argc, char **argv); 102 static jboolean ParseArguments(int *pargc, char ***pargv, 103 int *pmode, char **pwhat, 104 int *pret, const char *jrepath); 105 static jboolean InitializeJVM(JavaVM **pvm, JNIEnv **penv, 106 InvocationFunctions *ifn); 107 static jstring NewPlatformString(JNIEnv *env, char *s); 108 static jclass LoadMainClass(JNIEnv *env, int mode, char *name); 109 static jclass GetApplicationClass(JNIEnv *env); 110 111 static void TranslateApplicationArgs(int jargc, const char **jargv, int *pargc, char ***pargv); 112 static jboolean AddApplicationOptions(int cpathc, const char **cpathv); 113 static void SetApplicationClassPath(const char**); 114 115 static void PrintJavaVersion(JNIEnv *env, jboolean extraLF); 116 static void PrintUsage(JNIEnv* env, jboolean doXUsage); 117 static void ShowSettings(JNIEnv* env, char *optString); 118 119 static void SetPaths(int argc, char **argv); 120 121 static void DumpState(); 122 static jboolean RemovableOption(char *option); 123 124 /* Maximum supported entries from jvm.cfg. */ 125 #define INIT_MAX_KNOWN_VMS 10 126 127 /* Values for vmdesc.flag */ 128 enum vmdesc_flag { 129 VM_UNKNOWN = -1, 130 VM_KNOWN, 131 VM_ALIASED_TO, 132 VM_WARN, 133 VM_ERROR, 134 VM_IF_SERVER_CLASS, 135 VM_IGNORE 136 }; 137 138 struct vmdesc { 139 char *name; 140 int flag; 141 char *alias; 142 char *server_class; 143 }; 144 static struct vmdesc *knownVMs = NULL; 145 static int knownVMsCount = 0; 146 static int knownVMsLimit = 0; 147 148 static void GrowKnownVMs(); 149 static int KnownVMIndex(const char* name); 150 static void FreeKnownVMs(); 151 static jboolean IsWildCardEnabled(); 152 153 #define ARG_CHECK(AC_arg_count, AC_failure_message, AC_questionable_arg) \ 154 do { \ 155 if (AC_arg_count < 1) { \ 156 JLI_ReportErrorMessage(AC_failure_message, AC_questionable_arg); \ 157 printUsage = JNI_TRUE; \ 158 *pret = 1; \ 159 return JNI_TRUE; \ 160 } \ 161 } while (JNI_FALSE) 162 163 /* 164 * Running Java code in primordial thread caused many problems. We will 165 * create a new thread to invoke JVM. See 6316197 for more information. 166 */ 167 static jlong threadStackSize = 0; /* stack size of the new thread */ 168 static jlong maxHeapSize = 0; /* max heap size */ 169 static jlong initialHeapSize = 0; /* inital heap size */ 170 171 /* 172 * Entry point. 173 */ 174 int 175 JLI_Launch(int argc, char ** argv, /* main argc, argc */ 176 int jargc, const char** jargv, /* java args */ 177 int appclassc, const char** appclassv, /* app classpath */ 178 const char* fullversion, /* full version defined */ 179 const char* dotversion, /* dot version defined */ 180 const char* pname, /* program name */ 181 const char* lname, /* launcher name */ 182 jboolean javaargs, /* JAVA_ARGS */ 183 jboolean cpwildcard, /* classpath wildcard*/ 184 jboolean javaw, /* windows-only javaw */ 185 jint ergo /* ergonomics class policy */ 186 ) 187 { 188 int mode = LM_UNKNOWN; 189 char *what = NULL; 190 char *cpath = 0; 191 char *main_class = NULL; 192 int ret; 193 InvocationFunctions ifn; 194 jlong start, end; 195 char jvmpath[MAXPATHLEN]; 196 char jrepath[MAXPATHLEN]; 197 char jvmcfg[MAXPATHLEN]; 198 199 _fVersion = fullversion; 200 _dVersion = dotversion; 201 _launcher_name = lname; 202 _program_name = pname; 203 _is_java_args = javaargs; 204 _wc_enabled = cpwildcard; 205 _ergo_policy = ergo; 206 207 InitLauncher(javaw); 208 DumpState(); 209 if (JLI_IsTraceLauncher()) { 210 int i; 211 printf("Command line args:\n"); 212 for (i = 0; i < argc ; i++) { 213 printf("argv[%d] = %s\n", i, argv[i]); 214 } 215 AddOption("-Dsun.java.launcher.diag=true", NULL); 216 } 217 218 /* 219 * Make sure the specified version of the JRE is running. 220 * 221 * There are three things to note about the SelectVersion() routine: 222 * 1) If the version running isn't correct, this routine doesn't 223 * return (either the correct version has been exec'd or an error 224 * was issued). 225 * 2) Argc and Argv in this scope are *not* altered by this routine. 226 * It is the responsibility of subsequent code to ignore the 227 * arguments handled by this routine. 228 * 3) As a side-effect, the variable "main_class" is guaranteed to 229 * be set (if it should ever be set). This isn't exactly the 230 * poster child for structured programming, but it is a small 231 * price to pay for not processing a jar file operand twice. 232 * (Note: This side effect has been disabled. See comment on 233 * bugid 5030265 below.) 234 */ 235 SelectVersion(argc, argv, &main_class); 236 237 CreateExecutionEnvironment(&argc, &argv, 238 jrepath, sizeof(jrepath), 239 jvmpath, sizeof(jvmpath), 240 jvmcfg, sizeof(jvmcfg)); 241 242 if (!IsJavaArgs()) { 243 SetJvmEnvironment(argc,argv); 244 } 245 246 ifn.CreateJavaVM = 0; 247 ifn.GetDefaultJavaVMInitArgs = 0; 248 249 if (JLI_IsTraceLauncher()) { 250 start = CounterGet(); 251 } 252 253 if (!LoadJavaVM(jvmpath, &ifn)) { 254 return(6); 255 } 256 257 if (JLI_IsTraceLauncher()) { 258 end = CounterGet(); 259 } 260 261 JLI_TraceLauncher("%ld micro seconds to LoadJavaVM\n", 262 (long)(jint)Counter2Micros(end-start)); 263 264 ++argv; 265 --argc; 266 267 if (IsJavaArgs()) { 268 /* Preprocess wrapper arguments */ 269 TranslateApplicationArgs(jargc, jargv, &argc, &argv); 270 if (!AddApplicationOptions(appclassc, appclassv)) { 271 return(1); 272 } 273 } else { 274 /* Set default CLASSPATH */ 275 cpath = getenv("CLASSPATH"); 276 if (cpath == NULL) { 277 cpath = "."; 278 } 279 SetClassPath(cpath); 280 } 281 282 /* Parse command line options; if the return value of 283 * ParseArguments is false, the program should exit. 284 */ 285 if (!ParseArguments(&argc, &argv, &mode, &what, &ret, jrepath)) 286 { 287 return(ret); 288 } 289 290 /* Override class path if -jar flag was specified */ 291 if (mode == LM_JAR) { 292 SetClassPath(what); /* Override class path */ 293 } 294 295 /* set the -Dsun.java.command pseudo property */ 296 SetJavaCommandLineProp(what, argc, argv); 297 298 /* Set the -Dsun.java.launcher pseudo property */ 299 SetJavaLauncherProp(); 300 301 /* set the -Dsun.java.launcher.* platform properties */ 302 SetJavaLauncherPlatformProps(); 303 304 return JVMInit(&ifn, threadStackSize, argc, argv, mode, what, ret); 305 } 306 /* 307 * Always detach the main thread so that it appears to have ended when 308 * the application's main method exits. This will invoke the 309 * uncaught exception handler machinery if main threw an 310 * exception. An uncaught exception handler cannot change the 311 * launcher's return code except by calling System.exit. 312 * 313 * Wait for all non-daemon threads to end, then destroy the VM. 314 * This will actually create a trivial new Java waiter thread 315 * named "DestroyJavaVM", but this will be seen as a different 316 * thread from the one that executed main, even though they are 317 * the same C thread. This allows mainThread.join() and 318 * mainThread.isAlive() to work as expected. 319 */ 320 #define LEAVE() \ 321 do { \ 322 if ((*vm)->DetachCurrentThread(vm) != JNI_OK) { \ 323 JLI_ReportErrorMessage(JVM_ERROR2); \ 324 ret = 1; \ 325 } \ 326 if (JNI_TRUE) { \ 327 (*vm)->DestroyJavaVM(vm); \ 328 return ret; \ 329 } \ 330 } while (JNI_FALSE) 331 332 #define CHECK_EXCEPTION_NULL_LEAVE(CENL_exception) \ 333 do { \ 334 if ((*env)->ExceptionOccurred(env)) { \ 335 JLI_ReportExceptionDescription(env); \ 336 LEAVE(); \ 337 } \ 338 if ((CENL_exception) == NULL) { \ 339 JLI_ReportErrorMessage(JNI_ERROR); \ 340 LEAVE(); \ 341 } \ 342 } while (JNI_FALSE) 343 344 #define CHECK_EXCEPTION_LEAVE(CEL_return_value) \ 345 do { \ 346 if ((*env)->ExceptionOccurred(env)) { \ 347 JLI_ReportExceptionDescription(env); \ 348 ret = (CEL_return_value); \ 349 LEAVE(); \ 350 } \ 351 } while (JNI_FALSE) 352 353 #define CHECK_EXCEPTION_RETURN() \ 354 do { \ 355 if ((*env)->ExceptionOccurred(env)) { \ 356 return; \ 357 } \ 358 } while (JNI_FALSE) 359 360 int JNICALL 361 JavaMain(void * _args) 362 { 363 JavaMainArgs *args = (JavaMainArgs *)_args; 364 int argc = args->argc; 365 char **argv = args->argv; 366 int mode = args->mode; 367 char *what = args->what; 368 InvocationFunctions ifn = args->ifn; 369 370 JavaVM *vm = 0; 371 JNIEnv *env = 0; 372 jclass mainClass = NULL; 373 jclass appClass = NULL; // actual application class being launched 374 jmethodID mainID; 375 jobjectArray mainArgs; 376 int ret = 0; 377 jlong start, end; 378 379 RegisterThread(); 380 381 /* Initialize the virtual machine */ 382 start = CounterGet(); 383 if (!InitializeJVM(&vm, &env, &ifn)) { 384 JLI_ReportErrorMessage(JVM_ERROR1); 385 exit(1); 386 } 387 388 if (showSettings != NULL) { 389 ShowSettings(env, showSettings); 390 CHECK_EXCEPTION_LEAVE(1); 391 } 392 393 if (printVersion || showVersion) { 394 PrintJavaVersion(env, showVersion); 395 CHECK_EXCEPTION_LEAVE(0); 396 if (printVersion) { 397 LEAVE(); 398 } 399 } 400 401 /* If the user specified neither a class name nor a JAR file */ 402 if (printXUsage || printUsage || what == 0 || mode == LM_UNKNOWN) { 403 PrintUsage(env, printXUsage); 404 CHECK_EXCEPTION_LEAVE(1); 405 LEAVE(); 406 } 407 408 FreeKnownVMs(); /* after last possible PrintUsage() */ 409 410 if (JLI_IsTraceLauncher()) { 411 end = CounterGet(); 412 JLI_TraceLauncher("%ld micro seconds to InitializeJVM\n", 413 (long)(jint)Counter2Micros(end-start)); 414 } 415 416 /* At this stage, argc/argv have the application's arguments */ 417 if (JLI_IsTraceLauncher()){ 418 int i; 419 printf("%s is '%s'\n", launchModeNames[mode], what); 420 printf("App's argc is %d\n", argc); 421 for (i=0; i < argc; i++) { 422 printf(" argv[%2d] = '%s'\n", i, argv[i]); 423 } 424 } 425 426 ret = 1; 427 428 /* 429 * Get the application's main class. 430 * 431 * See bugid 5030265. The Main-Class name has already been parsed 432 * from the manifest, but not parsed properly for UTF-8 support. 433 * Hence the code here ignores the value previously extracted and 434 * uses the pre-existing code to reextract the value. This is 435 * possibly an end of release cycle expedient. However, it has 436 * also been discovered that passing some character sets through 437 * the environment has "strange" behavior on some variants of 438 * Windows. Hence, maybe the manifest parsing code local to the 439 * launcher should never be enhanced. 440 * 441 * Hence, future work should either: 442 * 1) Correct the local parsing code and verify that the 443 * Main-Class attribute gets properly passed through 444 * all environments, 445 * 2) Remove the vestages of maintaining main_class through 446 * the environment (and remove these comments). 447 * 448 * This method also correctly handles launching existing JavaFX 449 * applications that may or may not have a Main-Class manifest entry. 450 */ 451 mainClass = LoadMainClass(env, mode, what); 452 CHECK_EXCEPTION_NULL_LEAVE(mainClass); 453 /* 454 * In some cases when launching an application that needs a helper, e.g., a 455 * JavaFX application with no main method, the mainClass will not be the 456 * applications own main class but rather a helper class. To keep things 457 * consistent in the UI we need to track and report the application main class. 458 */ 459 appClass = GetApplicationClass(env); 460 NULL_CHECK_RETURN_VALUE(appClass, -1); 461 /* 462 * PostJVMInit uses the class name as the application name for GUI purposes, 463 * for example, on OSX this sets the application name in the menu bar for 464 * both SWT and JavaFX. So we'll pass the actual application class here 465 * instead of mainClass as that may be a launcher or helper class instead 466 * of the application class. 467 */ 468 PostJVMInit(env, appClass, vm); 469 /* 470 * The LoadMainClass not only loads the main class, it will also ensure 471 * that the main method's signature is correct, therefore further checking 472 * is not required. The main method is invoked here so that extraneous java 473 * stacks are not in the application stack trace. 474 */ 475 mainID = (*env)->GetStaticMethodID(env, mainClass, "main", 476 "([Ljava/lang/String;)V"); 477 CHECK_EXCEPTION_NULL_LEAVE(mainID); 478 479 /* Build platform specific argument array */ 480 mainArgs = CreateApplicationArgs(env, argv, argc); 481 CHECK_EXCEPTION_NULL_LEAVE(mainArgs); 482 483 /* Invoke main method. */ 484 (*env)->CallStaticVoidMethod(env, mainClass, mainID, mainArgs); 485 486 /* 487 * The launcher's exit code (in the absence of calls to 488 * System.exit) will be non-zero if main threw an exception. 489 */ 490 ret = (*env)->ExceptionOccurred(env) == NULL ? 0 : 1; 491 LEAVE(); 492 } 493 494 /* 495 * Checks the command line options to find which JVM type was 496 * specified. If no command line option was given for the JVM type, 497 * the default type is used. The environment variable 498 * JDK_ALTERNATE_VM and the command line option -XXaltjvm= are also 499 * checked as ways of specifying which JVM type to invoke. 500 */ 501 char * 502 CheckJvmType(int *pargc, char ***argv, jboolean speculative) { 503 int i, argi; 504 int argc; 505 char **newArgv; 506 int newArgvIdx = 0; 507 int isVMType; 508 int jvmidx = -1; 509 char *jvmtype = getenv("JDK_ALTERNATE_VM"); 510 511 argc = *pargc; 512 513 /* To make things simpler we always copy the argv array */ 514 newArgv = JLI_MemAlloc((argc + 1) * sizeof(char *)); 515 516 /* The program name is always present */ 517 newArgv[newArgvIdx++] = (*argv)[0]; 518 519 for (argi = 1; argi < argc; argi++) { 520 char *arg = (*argv)[argi]; 521 isVMType = 0; 522 523 if (IsJavaArgs()) { 524 if (arg[0] != '-') { 525 newArgv[newArgvIdx++] = arg; 526 continue; 527 } 528 } else { 529 if (JLI_StrCmp(arg, "-classpath") == 0 || 530 JLI_StrCmp(arg, "-cp") == 0) { 531 newArgv[newArgvIdx++] = arg; 532 argi++; 533 if (argi < argc) { 534 newArgv[newArgvIdx++] = (*argv)[argi]; 535 } 536 continue; 537 } 538 if (arg[0] != '-') break; 539 } 540 541 /* Did the user pass an explicit VM type? */ 542 i = KnownVMIndex(arg); 543 if (i >= 0) { 544 jvmtype = knownVMs[jvmidx = i].name + 1; /* skip the - */ 545 isVMType = 1; 546 *pargc = *pargc - 1; 547 } 548 549 /* Did the user specify an "alternate" VM? */ 550 else if (JLI_StrCCmp(arg, "-XXaltjvm=") == 0 || JLI_StrCCmp(arg, "-J-XXaltjvm=") == 0) { 551 isVMType = 1; 552 jvmtype = arg+((arg[1]=='X')? 10 : 12); 553 jvmidx = -1; 554 } 555 556 if (!isVMType) { 557 newArgv[newArgvIdx++] = arg; 558 } 559 } 560 561 /* 562 * Finish copying the arguments if we aborted the above loop. 563 * NOTE that if we aborted via "break" then we did NOT copy the 564 * last argument above, and in addition argi will be less than 565 * argc. 566 */ 567 while (argi < argc) { 568 newArgv[newArgvIdx++] = (*argv)[argi]; 569 argi++; 570 } 571 572 /* argv is null-terminated */ 573 newArgv[newArgvIdx] = 0; 574 575 /* Copy back argv */ 576 *argv = newArgv; 577 *pargc = newArgvIdx; 578 579 /* use the default VM type if not specified (no alias processing) */ 580 if (jvmtype == NULL) { 581 char* result = knownVMs[0].name+1; 582 /* Use a different VM type if we are on a server class machine? */ 583 if ((knownVMs[0].flag == VM_IF_SERVER_CLASS) && 584 (ServerClassMachine() == JNI_TRUE)) { 585 result = knownVMs[0].server_class+1; 586 } 587 JLI_TraceLauncher("Default VM: %s\n", result); 588 return result; 589 } 590 591 /* if using an alternate VM, no alias processing */ 592 if (jvmidx < 0) 593 return jvmtype; 594 595 /* Resolve aliases first */ 596 { 597 int loopCount = 0; 598 while (knownVMs[jvmidx].flag == VM_ALIASED_TO) { 599 int nextIdx = KnownVMIndex(knownVMs[jvmidx].alias); 600 601 if (loopCount > knownVMsCount) { 602 if (!speculative) { 603 JLI_ReportErrorMessage(CFG_ERROR1); 604 exit(1); 605 } else { 606 return "ERROR"; 607 /* break; */ 608 } 609 } 610 611 if (nextIdx < 0) { 612 if (!speculative) { 613 JLI_ReportErrorMessage(CFG_ERROR2, knownVMs[jvmidx].alias); 614 exit(1); 615 } else { 616 return "ERROR"; 617 } 618 } 619 jvmidx = nextIdx; 620 jvmtype = knownVMs[jvmidx].name+1; 621 loopCount++; 622 } 623 } 624 625 switch (knownVMs[jvmidx].flag) { 626 case VM_WARN: 627 if (!speculative) { 628 JLI_ReportErrorMessage(CFG_WARN1, jvmtype, knownVMs[0].name + 1); 629 } 630 /* fall through */ 631 case VM_IGNORE: 632 jvmtype = knownVMs[jvmidx=0].name + 1; 633 /* fall through */ 634 case VM_KNOWN: 635 break; 636 case VM_ERROR: 637 if (!speculative) { 638 JLI_ReportErrorMessage(CFG_ERROR3, jvmtype); 639 exit(1); 640 } else { 641 return "ERROR"; 642 } 643 } 644 645 return jvmtype; 646 } 647 648 /* 649 * static void SetJvmEnvironment(int argc, char **argv); 650 * Is called just before the JVM is loaded. We can set env variables 651 * that are consumed by the JVM. This function is non-destructive, 652 * leaving the arg list intact. The first use is for the JVM flag 653 * -XX:NativeMemoryTracking=value. 654 */ 655 static void 656 SetJvmEnvironment(int argc, char **argv) { 657 658 static const char* NMT_Env_Name = "NMT_LEVEL_"; 659 660 int i; 661 for (i = 0; i < argc; i++) { 662 /* 663 * The following case checks for "-XX:NativeMemoryTracking=value". 664 * If value is non null, an environmental variable set to this value 665 * will be created to be used by the JVM. 666 * The argument is passed to the JVM, which will check validity. 667 * The JVM is responsible for removing the env variable. 668 */ 669 char *arg = argv[i]; 670 if (JLI_StrCCmp(arg, "-XX:NativeMemoryTracking=") == 0) { 671 int retval; 672 // get what follows this parameter, include "=" 673 size_t pnlen = JLI_StrLen("-XX:NativeMemoryTracking="); 674 if (JLI_StrLen(arg) > pnlen) { 675 char* value = arg + pnlen; 676 size_t pbuflen = pnlen + JLI_StrLen(value) + 10; // 10 max pid digits 677 678 /* 679 * ensures that malloc successful 680 * DONT JLI_MemFree() pbuf. JLI_PutEnv() uses system call 681 * that could store the address. 682 */ 683 char * pbuf = (char*)JLI_MemAlloc(pbuflen); 684 685 JLI_Snprintf(pbuf, pbuflen, "%s%d=%s", NMT_Env_Name, JLI_GetPid(), value); 686 retval = JLI_PutEnv(pbuf); 687 if (JLI_IsTraceLauncher()) { 688 char* envName; 689 char* envBuf; 690 691 // ensures that malloc successful 692 envName = (char*)JLI_MemAlloc(pbuflen); 693 JLI_Snprintf(envName, pbuflen, "%s%d", NMT_Env_Name, JLI_GetPid()); 694 695 printf("TRACER_MARKER: NativeMemoryTracking: env var is %s\n",envName); 696 printf("TRACER_MARKER: NativeMemoryTracking: putenv arg %s\n",pbuf); 697 envBuf = getenv(envName); 698 printf("TRACER_MARKER: NativeMemoryTracking: got value %s\n",envBuf); 699 free(envName); 700 } 701 702 } 703 704 } 705 706 } 707 } 708 709 /* copied from HotSpot function "atomll()" */ 710 static int 711 parse_size(const char *s, jlong *result) { 712 jlong n = 0; 713 int args_read = sscanf(s, jlong_format_specifier(), &n); 714 if (args_read != 1) { 715 return 0; 716 } 717 while (*s != '\0' && *s >= '0' && *s <= '9') { 718 s++; 719 } 720 // 4705540: illegal if more characters are found after the first non-digit 721 if (JLI_StrLen(s) > 1) { 722 return 0; 723 } 724 switch (*s) { 725 case 'T': case 't': 726 *result = n * GB * KB; 727 return 1; 728 case 'G': case 'g': 729 *result = n * GB; 730 return 1; 731 case 'M': case 'm': 732 *result = n * MB; 733 return 1; 734 case 'K': case 'k': 735 *result = n * KB; 736 return 1; 737 case '\0': 738 *result = n; 739 return 1; 740 default: 741 /* Create JVM with default stack and let VM handle malformed -Xss string*/ 742 return 0; 743 } 744 } 745 746 /* 747 * Adds a new VM option with the given given name and value. 748 */ 749 void 750 AddOption(char *str, void *info) 751 { 752 /* 753 * Expand options array if needed to accommodate at least one more 754 * VM option. 755 */ 756 if (numOptions >= maxOptions) { 757 if (options == 0) { 758 maxOptions = 4; 759 options = JLI_MemAlloc(maxOptions * sizeof(JavaVMOption)); 760 } else { 761 JavaVMOption *tmp; 762 maxOptions *= 2; 763 tmp = JLI_MemAlloc(maxOptions * sizeof(JavaVMOption)); 764 memcpy(tmp, options, numOptions * sizeof(JavaVMOption)); 765 JLI_MemFree(options); 766 options = tmp; 767 } 768 } 769 options[numOptions].optionString = str; 770 options[numOptions++].extraInfo = info; 771 772 if (JLI_StrCCmp(str, "-Xss") == 0) { 773 jlong tmp; 774 if (parse_size(str + 4, &tmp)) { 775 threadStackSize = tmp; 776 if (threadStackSize < 32 * KB) { 777 threadStackSize = 32 * KB; 778 } 779 } 780 } 781 782 if (JLI_StrCCmp(str, "-Xmx") == 0) { 783 jlong tmp; 784 if (parse_size(str + 4, &tmp)) { 785 maxHeapSize = tmp; 786 } 787 } 788 789 if (JLI_StrCCmp(str, "-Xms") == 0) { 790 jlong tmp; 791 if (parse_size(str + 4, &tmp)) { 792 initialHeapSize = tmp; 793 } 794 } 795 } 796 797 static void 798 SetClassPath(const char *s) 799 { 800 char *def; 801 const char *orig = s; 802 static const char format[] = "-Djava.class.path=%s"; 803 /* 804 * usually we should not get a null pointer, but there are cases where 805 * we might just get one, in which case we simply ignore it, and let the 806 * caller deal with it 807 */ 808 if (s == NULL) 809 return; 810 s = JLI_WildcardExpandClasspath(s); 811 if (sizeof(format) - 2 + JLI_StrLen(s) < JLI_StrLen(s)) 812 // s is became corrupted after expanding wildcards 813 return; 814 def = JLI_MemAlloc(sizeof(format) 815 - 2 /* strlen("%s") */ 816 + JLI_StrLen(s)); 817 sprintf(def, format, s); 818 AddOption(def, NULL); 819 if (s != orig) 820 JLI_MemFree((char *) s); 821 } 822 823 /* 824 * The SelectVersion() routine ensures that an appropriate version of 825 * the JRE is running. The specification for the appropriate version 826 * is obtained from either the manifest of a jar file (preferred) or 827 * from command line options. 828 * The routine also parses splash screen command line options and 829 * passes on their values in private environment variables. 830 */ 831 static void 832 SelectVersion(int argc, char **argv, char **main_class) 833 { 834 char *arg; 835 char **new_argv; 836 char **new_argp; 837 char *operand; 838 char *version = NULL; 839 char *jre = NULL; 840 int jarflag = 0; 841 int headlessflag = 0; 842 int restrict_search = -1; /* -1 implies not known */ 843 manifest_info info; 844 char env_entry[MAXNAMELEN + 24] = ENV_ENTRY "="; 845 char *splash_file_name = NULL; 846 char *splash_jar_name = NULL; 847 char *env_in; 848 int res; 849 850 /* 851 * If the version has already been selected, set *main_class 852 * with the value passed through the environment (if any) and 853 * simply return. 854 */ 855 if ((env_in = getenv(ENV_ENTRY)) != NULL) { 856 if (*env_in != '\0') 857 *main_class = JLI_StringDup(env_in); 858 return; 859 } 860 861 /* 862 * Scan through the arguments for options relevant to multiple JRE 863 * support. For reference, the command line syntax is defined as: 864 * 865 * SYNOPSIS 866 * java [options] class [argument...] 867 * 868 * java [options] -jar file.jar [argument...] 869 * 870 * As the scan is performed, make a copy of the argument list with 871 * the version specification options (new to 1.5) removed, so that 872 * a version less than 1.5 can be exec'd. 873 * 874 * Note that due to the syntax of the native Windows interface 875 * CreateProcess(), processing similar to the following exists in 876 * the Windows platform specific routine ExecJRE (in java_md.c). 877 * Changes here should be reproduced there. 878 */ 879 new_argv = JLI_MemAlloc((argc + 1) * sizeof(char*)); 880 new_argv[0] = argv[0]; 881 new_argp = &new_argv[1]; 882 argc--; 883 argv++; 884 while ((arg = *argv) != 0 && *arg == '-') { 885 if (JLI_StrCCmp(arg, "-version:") == 0) { 886 version = arg + 9; 887 } else if (JLI_StrCmp(arg, "-jre-restrict-search") == 0) { 888 restrict_search = 1; 889 } else if (JLI_StrCmp(arg, "-no-jre-restrict-search") == 0) { 890 restrict_search = 0; 891 } else { 892 if (JLI_StrCmp(arg, "-jar") == 0) 893 jarflag = 1; 894 /* deal with "unfortunate" classpath syntax */ 895 if ((JLI_StrCmp(arg, "-classpath") == 0 || JLI_StrCmp(arg, "-cp") == 0) && 896 (argc >= 2)) { 897 *new_argp++ = arg; 898 argc--; 899 argv++; 900 arg = *argv; 901 } 902 903 /* 904 * Checking for headless toolkit option in the some way as AWT does: 905 * "true" means true and any other value means false 906 */ 907 if (JLI_StrCmp(arg, "-Djava.awt.headless=true") == 0) { 908 headlessflag = 1; 909 } else if (JLI_StrCCmp(arg, "-Djava.awt.headless=") == 0) { 910 headlessflag = 0; 911 } else if (JLI_StrCCmp(arg, "-splash:") == 0) { 912 splash_file_name = arg+8; 913 } 914 *new_argp++ = arg; 915 } 916 argc--; 917 argv++; 918 } 919 if (argc <= 0) { /* No operand? Possibly legit with -[full]version */ 920 operand = NULL; 921 } else { 922 argc--; 923 *new_argp++ = operand = *argv++; 924 } 925 while (argc-- > 0) /* Copy over [argument...] */ 926 *new_argp++ = *argv++; 927 *new_argp = NULL; 928 929 /* 930 * If there is a jar file, read the manifest. If the jarfile can't be 931 * read, the manifest can't be read from the jar file, or the manifest 932 * is corrupt, issue the appropriate error messages and exit. 933 * 934 * Even if there isn't a jar file, construct a manifest_info structure 935 * containing the command line information. It's a convenient way to carry 936 * this data around. 937 */ 938 if (jarflag && operand) { 939 if ((res = JLI_ParseManifest(operand, &info)) != 0) { 940 if (res == -1) 941 JLI_ReportErrorMessage(JAR_ERROR2, operand); 942 else 943 JLI_ReportErrorMessage(JAR_ERROR3, operand); 944 exit(1); 945 } 946 947 /* 948 * Command line splash screen option should have precedence 949 * over the manifest, so the manifest data is used only if 950 * splash_file_name has not been initialized above during command 951 * line parsing 952 */ 953 if (!headlessflag && !splash_file_name && info.splashscreen_image_file_name) { 954 splash_file_name = info.splashscreen_image_file_name; 955 splash_jar_name = operand; 956 } 957 } else { 958 info.manifest_version = NULL; 959 info.main_class = NULL; 960 info.jre_version = NULL; 961 info.jre_restrict_search = 0; 962 } 963 964 /* 965 * Passing on splash screen info in environment variables 966 */ 967 if (splash_file_name && !headlessflag) { 968 char* splash_file_entry = JLI_MemAlloc(JLI_StrLen(SPLASH_FILE_ENV_ENTRY "=")+JLI_StrLen(splash_file_name)+1); 969 JLI_StrCpy(splash_file_entry, SPLASH_FILE_ENV_ENTRY "="); 970 JLI_StrCat(splash_file_entry, splash_file_name); 971 putenv(splash_file_entry); 972 } 973 if (splash_jar_name && !headlessflag) { 974 char* splash_jar_entry = JLI_MemAlloc(JLI_StrLen(SPLASH_JAR_ENV_ENTRY "=")+JLI_StrLen(splash_jar_name)+1); 975 JLI_StrCpy(splash_jar_entry, SPLASH_JAR_ENV_ENTRY "="); 976 JLI_StrCat(splash_jar_entry, splash_jar_name); 977 putenv(splash_jar_entry); 978 } 979 980 /* 981 * The JRE-Version and JRE-Restrict-Search values (if any) from the 982 * manifest are overwritten by any specified on the command line. 983 */ 984 if (version != NULL) 985 info.jre_version = version; 986 if (restrict_search != -1) 987 info.jre_restrict_search = restrict_search; 988 989 /* 990 * "Valid" returns (other than unrecoverable errors) follow. Set 991 * main_class as a side-effect of this routine. 992 */ 993 if (info.main_class != NULL) 994 *main_class = JLI_StringDup(info.main_class); 995 996 /* 997 * If no version selection information is found either on the command 998 * line or in the manifest, simply return. 999 */ 1000 if (info.jre_version == NULL) { 1001 JLI_FreeManifest(); 1002 JLI_MemFree(new_argv); 1003 return; 1004 } 1005 1006 /* 1007 * Check for correct syntax of the version specification (JSR 56). 1008 */ 1009 if (!JLI_ValidVersionString(info.jre_version)) { 1010 JLI_ReportErrorMessage(SPC_ERROR1, info.jre_version); 1011 exit(1); 1012 } 1013 1014 /* 1015 * Find the appropriate JVM on the system. Just to be as forgiving as 1016 * possible, if the standard algorithms don't locate an appropriate 1017 * jre, check to see if the one running will satisfy the requirements. 1018 * This can happen on systems which haven't been set-up for multiple 1019 * JRE support. 1020 */ 1021 jre = LocateJRE(&info); 1022 JLI_TraceLauncher("JRE-Version = %s, JRE-Restrict-Search = %s Selected = %s\n", 1023 (info.jre_version?info.jre_version:"null"), 1024 (info.jre_restrict_search?"true":"false"), (jre?jre:"null")); 1025 1026 if (jre == NULL) { 1027 if (JLI_AcceptableRelease(GetFullVersion(), info.jre_version)) { 1028 JLI_FreeManifest(); 1029 JLI_MemFree(new_argv); 1030 return; 1031 } else { 1032 JLI_ReportErrorMessage(CFG_ERROR4, info.jre_version); 1033 exit(1); 1034 } 1035 } 1036 1037 /* 1038 * If I'm not the chosen one, exec the chosen one. Returning from 1039 * ExecJRE indicates that I am indeed the chosen one. 1040 * 1041 * The private environment variable _JAVA_VERSION_SET is used to 1042 * prevent the chosen one from re-reading the manifest file and 1043 * using the values found within to override the (potential) command 1044 * line flags stripped from argv (because the target may not 1045 * understand them). Passing the MainClass value is an optimization 1046 * to avoid locating, expanding and parsing the manifest extra 1047 * times. 1048 */ 1049 if (info.main_class != NULL) { 1050 if (JLI_StrLen(info.main_class) <= MAXNAMELEN) { 1051 (void)JLI_StrCat(env_entry, info.main_class); 1052 } else { 1053 JLI_ReportErrorMessage(CLS_ERROR5, MAXNAMELEN); 1054 exit(1); 1055 } 1056 } 1057 (void)putenv(env_entry); 1058 ExecJRE(jre, new_argv); 1059 JLI_FreeManifest(); 1060 JLI_MemFree(new_argv); 1061 return; 1062 } 1063 1064 /* 1065 * Parses command line arguments. Returns JNI_FALSE if launcher 1066 * should exit without starting vm, returns JNI_TRUE if vm needs 1067 * to be started to process given options. *pret (the launcher 1068 * process return value) is set to 0 for a normal exit. 1069 */ 1070 static jboolean 1071 ParseArguments(int *pargc, char ***pargv, 1072 int *pmode, char **pwhat, 1073 int *pret, const char *jrepath) 1074 { 1075 int argc = *pargc; 1076 char **argv = *pargv; 1077 int mode = LM_UNKNOWN; 1078 char *arg; 1079 1080 *pret = 0; 1081 1082 while ((arg = *argv) != 0 && *arg == '-') { 1083 argv++; --argc; 1084 if (JLI_StrCmp(arg, "-classpath") == 0 || JLI_StrCmp(arg, "-cp") == 0) { 1085 ARG_CHECK (argc, ARG_ERROR1, arg); 1086 SetClassPath(*argv); 1087 mode = LM_CLASS; 1088 argv++; --argc; 1089 } else if (JLI_StrCmp(arg, "-jar") == 0) { 1090 ARG_CHECK (argc, ARG_ERROR2, arg); 1091 mode = LM_JAR; 1092 } else if (JLI_StrCmp(arg, "-help") == 0 || 1093 JLI_StrCmp(arg, "-h") == 0 || 1094 JLI_StrCmp(arg, "-?") == 0) { 1095 printUsage = JNI_TRUE; 1096 return JNI_TRUE; 1097 } else if (JLI_StrCmp(arg, "-version") == 0) { 1098 printVersion = JNI_TRUE; 1099 return JNI_TRUE; 1100 } else if (JLI_StrCmp(arg, "-showversion") == 0) { 1101 showVersion = JNI_TRUE; 1102 } else if (JLI_StrCmp(arg, "-X") == 0) { 1103 printXUsage = JNI_TRUE; 1104 return JNI_TRUE; 1105 /* 1106 * The following case checks for -XshowSettings OR -XshowSetting:SUBOPT. 1107 * In the latter case, any SUBOPT value not recognized will default to "all" 1108 */ 1109 } else if (JLI_StrCmp(arg, "-XshowSettings") == 0 || 1110 JLI_StrCCmp(arg, "-XshowSettings:") == 0) { 1111 showSettings = arg; 1112 } else if (JLI_StrCmp(arg, "-Xdiag") == 0) { 1113 AddOption("-Dsun.java.launcher.diag=true", NULL); 1114 /* 1115 * The following case provide backward compatibility with old-style 1116 * command line options. 1117 */ 1118 } else if (JLI_StrCmp(arg, "-fullversion") == 0) { 1119 JLI_ReportMessage("%s full version \"%s\"", _launcher_name, GetFullVersion()); 1120 return JNI_FALSE; 1121 } else if (JLI_StrCmp(arg, "-verbosegc") == 0) { 1122 AddOption("-verbose:gc", NULL); 1123 } else if (JLI_StrCmp(arg, "-t") == 0) { 1124 AddOption("-Xt", NULL); 1125 } else if (JLI_StrCmp(arg, "-tm") == 0) { 1126 AddOption("-Xtm", NULL); 1127 } else if (JLI_StrCmp(arg, "-debug") == 0) { 1128 AddOption("-Xdebug", NULL); 1129 } else if (JLI_StrCmp(arg, "-noclassgc") == 0) { 1130 AddOption("-Xnoclassgc", NULL); 1131 } else if (JLI_StrCmp(arg, "-Xfuture") == 0) { 1132 AddOption("-Xverify:all", NULL); 1133 } else if (JLI_StrCmp(arg, "-verify") == 0) { 1134 AddOption("-Xverify:all", NULL); 1135 } else if (JLI_StrCmp(arg, "-verifyremote") == 0) { 1136 AddOption("-Xverify:remote", NULL); 1137 } else if (JLI_StrCmp(arg, "-noverify") == 0) { 1138 AddOption("-Xverify:none", NULL); 1139 } else if (JLI_StrCCmp(arg, "-prof") == 0) { 1140 char *p = arg + 5; 1141 char *tmp = JLI_MemAlloc(JLI_StrLen(arg) + 50); 1142 if (*p) { 1143 sprintf(tmp, "-Xrunhprof:cpu=old,file=%s", p + 1); 1144 } else { 1145 sprintf(tmp, "-Xrunhprof:cpu=old,file=java.prof"); 1146 } 1147 AddOption(tmp, NULL); 1148 } else if (JLI_StrCCmp(arg, "-ss") == 0 || 1149 JLI_StrCCmp(arg, "-oss") == 0 || 1150 JLI_StrCCmp(arg, "-ms") == 0 || 1151 JLI_StrCCmp(arg, "-mx") == 0) { 1152 char *tmp = JLI_MemAlloc(JLI_StrLen(arg) + 6); 1153 sprintf(tmp, "-X%s", arg + 1); /* skip '-' */ 1154 AddOption(tmp, NULL); 1155 } else if (JLI_StrCmp(arg, "-checksource") == 0 || 1156 JLI_StrCmp(arg, "-cs") == 0 || 1157 JLI_StrCmp(arg, "-noasyncgc") == 0) { 1158 /* No longer supported */ 1159 JLI_ReportErrorMessage(ARG_WARN, arg); 1160 } else if (JLI_StrCCmp(arg, "-version:") == 0 || 1161 JLI_StrCmp(arg, "-no-jre-restrict-search") == 0 || 1162 JLI_StrCmp(arg, "-jre-restrict-search") == 0 || 1163 JLI_StrCCmp(arg, "-splash:") == 0) { 1164 ; /* Ignore machine independent options already handled */ 1165 } else if (ProcessPlatformOption(arg)) { 1166 ; /* Processing of platform dependent options */ 1167 } else if (RemovableOption(arg)) { 1168 ; /* Do not pass option to vm. */ 1169 } else { 1170 AddOption(arg, NULL); 1171 } 1172 } 1173 1174 if (--argc >= 0) { 1175 *pwhat = *argv++; 1176 } 1177 1178 if (*pwhat == NULL) { 1179 *pret = 1; 1180 } else if (mode == LM_UNKNOWN) { 1181 /* default to LM_CLASS if -jar and -cp option are 1182 * not specified */ 1183 mode = LM_CLASS; 1184 } 1185 1186 if (argc >= 0) { 1187 *pargc = argc; 1188 *pargv = argv; 1189 } 1190 1191 *pmode = mode; 1192 1193 return JNI_TRUE; 1194 } 1195 1196 /* 1197 * Initializes the Java Virtual Machine. Also frees options array when 1198 * finished. 1199 */ 1200 static jboolean 1201 InitializeJVM(JavaVM **pvm, JNIEnv **penv, InvocationFunctions *ifn) 1202 { 1203 JavaVMInitArgs args; 1204 jint r; 1205 1206 memset(&args, 0, sizeof(args)); 1207 args.version = JNI_VERSION_1_2; 1208 args.nOptions = numOptions; 1209 args.options = options; 1210 args.ignoreUnrecognized = JNI_FALSE; 1211 1212 if (JLI_IsTraceLauncher()) { 1213 int i = 0; 1214 printf("JavaVM args:\n "); 1215 printf("version 0x%08lx, ", (long)args.version); 1216 printf("ignoreUnrecognized is %s, ", 1217 args.ignoreUnrecognized ? "JNI_TRUE" : "JNI_FALSE"); 1218 printf("nOptions is %ld\n", (long)args.nOptions); 1219 for (i = 0; i < numOptions; i++) 1220 printf(" option[%2d] = '%s'\n", 1221 i, args.options[i].optionString); 1222 } 1223 1224 r = ifn->CreateJavaVM(pvm, (void **)penv, &args); 1225 JLI_MemFree(options); 1226 return r == JNI_OK; 1227 } 1228 1229 static jclass helperClass = NULL; 1230 1231 jclass 1232 GetLauncherHelperClass(JNIEnv *env) 1233 { 1234 if (helperClass == NULL) { 1235 NULL_CHECK0(helperClass = FindBootStrapClass(env, 1236 "sun/launcher/LauncherHelper")); 1237 } 1238 return helperClass; 1239 } 1240 1241 static jmethodID makePlatformStringMID = NULL; 1242 /* 1243 * Returns a new Java string object for the specified platform string. 1244 */ 1245 static jstring 1246 NewPlatformString(JNIEnv *env, char *s) 1247 { 1248 int len = (int)JLI_StrLen(s); 1249 jbyteArray ary; 1250 jclass cls = GetLauncherHelperClass(env); 1251 NULL_CHECK0(cls); 1252 if (s == NULL) 1253 return 0; 1254 1255 ary = (*env)->NewByteArray(env, len); 1256 if (ary != 0) { 1257 jstring str = 0; 1258 (*env)->SetByteArrayRegion(env, ary, 0, len, (jbyte *)s); 1259 if (!(*env)->ExceptionOccurred(env)) { 1260 if (makePlatformStringMID == NULL) { 1261 NULL_CHECK0(makePlatformStringMID = (*env)->GetStaticMethodID(env, 1262 cls, "makePlatformString", "(Z[B)Ljava/lang/String;")); 1263 } 1264 str = (*env)->CallStaticObjectMethod(env, cls, 1265 makePlatformStringMID, USE_STDERR, ary); 1266 (*env)->DeleteLocalRef(env, ary); 1267 return str; 1268 } 1269 } 1270 return 0; 1271 } 1272 1273 /* 1274 * Returns a new array of Java string objects for the specified 1275 * array of platform strings. 1276 */ 1277 jobjectArray 1278 NewPlatformStringArray(JNIEnv *env, char **strv, int strc) 1279 { 1280 jarray cls; 1281 jarray ary; 1282 int i; 1283 1284 NULL_CHECK0(cls = FindBootStrapClass(env, "java/lang/String")); 1285 NULL_CHECK0(ary = (*env)->NewObjectArray(env, strc, cls, 0)); 1286 for (i = 0; i < strc; i++) { 1287 jstring str = NewPlatformString(env, *strv++); 1288 NULL_CHECK0(str); 1289 (*env)->SetObjectArrayElement(env, ary, i, str); 1290 (*env)->DeleteLocalRef(env, str); 1291 } 1292 return ary; 1293 } 1294 1295 /* 1296 * Loads a class and verifies that the main class is present and it is ok to 1297 * call it for more details refer to the java implementation. 1298 */ 1299 static jclass 1300 LoadMainClass(JNIEnv *env, int mode, char *name) 1301 { 1302 jmethodID mid; 1303 jstring str; 1304 jobject result; 1305 jlong start, end; 1306 jclass cls = GetLauncherHelperClass(env); 1307 NULL_CHECK0(cls); 1308 if (JLI_IsTraceLauncher()) { 1309 start = CounterGet(); 1310 } 1311 NULL_CHECK0(mid = (*env)->GetStaticMethodID(env, cls, 1312 "checkAndLoadMain", 1313 "(ZILjava/lang/String;)Ljava/lang/Class;")); 1314 1315 NULL_CHECK0(str = NewPlatformString(env, name)); 1316 NULL_CHECK0(result = (*env)->CallStaticObjectMethod(env, cls, mid, 1317 USE_STDERR, mode, str)); 1318 1319 if (JLI_IsTraceLauncher()) { 1320 end = CounterGet(); 1321 printf("%ld micro seconds to load main class\n", 1322 (long)(jint)Counter2Micros(end-start)); 1323 printf("----%s----\n", JLDEBUG_ENV_ENTRY); 1324 } 1325 1326 return (jclass)result; 1327 } 1328 1329 static jclass 1330 GetApplicationClass(JNIEnv *env) 1331 { 1332 jmethodID mid; 1333 jclass cls = GetLauncherHelperClass(env); 1334 NULL_CHECK0(cls); 1335 NULL_CHECK0(mid = (*env)->GetStaticMethodID(env, cls, 1336 "getApplicationClass", 1337 "()Ljava/lang/Class;")); 1338 1339 return (*env)->CallStaticObjectMethod(env, cls, mid); 1340 } 1341 1342 /* 1343 * For tools, convert command line args thus: 1344 * javac -cp foo:foo/"*" -J-ms32m ... 1345 * java -ms32m -cp JLI_WildcardExpandClasspath(foo:foo/"*") ... 1346 * 1347 * Takes 4 parameters, and returns the populated arguments 1348 */ 1349 static void 1350 TranslateApplicationArgs(int jargc, const char **jargv, int *pargc, char ***pargv) 1351 { 1352 int argc = *pargc; 1353 char **argv = *pargv; 1354 int nargc = argc + jargc; 1355 char **nargv = JLI_MemAlloc((nargc + 1) * sizeof(char *)); 1356 int i; 1357 1358 *pargc = nargc; 1359 *pargv = nargv; 1360 1361 /* Copy the VM arguments (i.e. prefixed with -J) */ 1362 for (i = 0; i < jargc; i++) { 1363 const char *arg = jargv[i]; 1364 if (arg[0] == '-' && arg[1] == 'J') { 1365 *nargv++ = ((arg + 2) == NULL) ? NULL : JLI_StringDup(arg + 2); 1366 } 1367 } 1368 1369 for (i = 0; i < argc; i++) { 1370 char *arg = argv[i]; 1371 if (arg[0] == '-' && arg[1] == 'J') { 1372 if (arg[2] == '\0') { 1373 JLI_ReportErrorMessage(ARG_ERROR3); 1374 exit(1); 1375 } 1376 *nargv++ = arg + 2; 1377 } 1378 } 1379 1380 /* Copy the rest of the arguments */ 1381 for (i = 0; i < jargc ; i++) { 1382 const char *arg = jargv[i]; 1383 if (arg[0] != '-' || arg[1] != 'J') { 1384 *nargv++ = (arg == NULL) ? NULL : JLI_StringDup(arg); 1385 } 1386 } 1387 for (i = 0; i < argc; i++) { 1388 char *arg = argv[i]; 1389 if (arg[0] == '-') { 1390 if (arg[1] == 'J') 1391 continue; 1392 if (IsWildCardEnabled() && arg[1] == 'c' 1393 && (JLI_StrCmp(arg, "-cp") == 0 || 1394 JLI_StrCmp(arg, "-classpath") == 0) 1395 && i < argc - 1) { 1396 *nargv++ = arg; 1397 *nargv++ = (char *) JLI_WildcardExpandClasspath(argv[i+1]); 1398 i++; 1399 continue; 1400 } 1401 } 1402 *nargv++ = arg; 1403 } 1404 *nargv = 0; 1405 } 1406 1407 /* 1408 * For our tools, we try to add 3 VM options: 1409 * -Denv.class.path=<envcp> 1410 * -Dapplication.home=<apphome> 1411 * -Djava.class.path=<appcp> 1412 * <envcp> is the user's setting of CLASSPATH -- for instance the user 1413 * tells javac where to find binary classes through this environment 1414 * variable. Notice that users will be able to compile against our 1415 * tools classes (sun.tools.javac.Main) only if they explicitly add 1416 * tools.jar to CLASSPATH. 1417 * <apphome> is the directory where the application is installed. 1418 * <appcp> is the classpath to where our apps' classfiles are. 1419 */ 1420 static jboolean 1421 AddApplicationOptions(int cpathc, const char **cpathv) 1422 { 1423 char *envcp, *appcp, *apphome; 1424 char home[MAXPATHLEN]; /* application home */ 1425 char separator[] = { PATH_SEPARATOR, '\0' }; 1426 int size, i; 1427 1428 { 1429 const char *s = getenv("CLASSPATH"); 1430 if (s) { 1431 s = (char *) JLI_WildcardExpandClasspath(s); 1432 /* 40 for -Denv.class.path= */ 1433 if (JLI_StrLen(s) + 40 > JLI_StrLen(s)) { // Safeguard from overflow 1434 envcp = (char *)JLI_MemAlloc(JLI_StrLen(s) + 40); 1435 sprintf(envcp, "-Denv.class.path=%s", s); 1436 AddOption(envcp, NULL); 1437 } 1438 } 1439 } 1440 1441 if (!GetApplicationHome(home, sizeof(home))) { 1442 JLI_ReportErrorMessage(CFG_ERROR5); 1443 return JNI_FALSE; 1444 } 1445 1446 /* 40 for '-Dapplication.home=' */ 1447 apphome = (char *)JLI_MemAlloc(JLI_StrLen(home) + 40); 1448 sprintf(apphome, "-Dapplication.home=%s", home); 1449 AddOption(apphome, NULL); 1450 1451 /* How big is the application's classpath? */ 1452 size = 40; /* 40: "-Djava.class.path=" */ 1453 for (i = 0; i < cpathc; i++) { 1454 size += (int)JLI_StrLen(home) + (int)JLI_StrLen(cpathv[i]) + 1; /* 1: separator */ 1455 } 1456 appcp = (char *)JLI_MemAlloc(size + 1); 1457 JLI_StrCpy(appcp, "-Djava.class.path="); 1458 for (i = 0; i < cpathc; i++) { 1459 JLI_StrCat(appcp, home); /* c:\program files\myapp */ 1460 JLI_StrCat(appcp, cpathv[i]); /* \lib\myapp.jar */ 1461 JLI_StrCat(appcp, separator); /* ; */ 1462 } 1463 appcp[JLI_StrLen(appcp)-1] = '\0'; /* remove trailing path separator */ 1464 AddOption(appcp, NULL); 1465 return JNI_TRUE; 1466 } 1467 1468 /* 1469 * inject the -Dsun.java.command pseudo property into the args structure 1470 * this pseudo property is used in the HotSpot VM to expose the 1471 * Java class name and arguments to the main method to the VM. The 1472 * HotSpot VM uses this pseudo property to store the Java class name 1473 * (or jar file name) and the arguments to the class's main method 1474 * to the instrumentation memory region. The sun.java.command pseudo 1475 * property is not exported by HotSpot to the Java layer. 1476 */ 1477 void 1478 SetJavaCommandLineProp(char *what, int argc, char **argv) 1479 { 1480 1481 int i = 0; 1482 size_t len = 0; 1483 char* javaCommand = NULL; 1484 char* dashDstr = "-Dsun.java.command="; 1485 1486 if (what == NULL) { 1487 /* unexpected, one of these should be set. just return without 1488 * setting the property 1489 */ 1490 return; 1491 } 1492 1493 /* determine the amount of memory to allocate assuming 1494 * the individual components will be space separated 1495 */ 1496 len = JLI_StrLen(what); 1497 for (i = 0; i < argc; i++) { 1498 len += JLI_StrLen(argv[i]) + 1; 1499 } 1500 1501 /* allocate the memory */ 1502 javaCommand = (char*) JLI_MemAlloc(len + JLI_StrLen(dashDstr) + 1); 1503 1504 /* build the -D string */ 1505 *javaCommand = '\0'; 1506 JLI_StrCat(javaCommand, dashDstr); 1507 JLI_StrCat(javaCommand, what); 1508 1509 for (i = 0; i < argc; i++) { 1510 /* the components of the string are space separated. In 1511 * the case of embedded white space, the relationship of 1512 * the white space separated components to their true 1513 * positional arguments will be ambiguous. This issue may 1514 * be addressed in a future release. 1515 */ 1516 JLI_StrCat(javaCommand, " "); 1517 JLI_StrCat(javaCommand, argv[i]); 1518 } 1519 1520 AddOption(javaCommand, NULL); 1521 } 1522 1523 /* 1524 * JVM would like to know if it's created by a standard Sun launcher, or by 1525 * user native application, the following property indicates the former. 1526 */ 1527 void 1528 SetJavaLauncherProp() { 1529 AddOption("-Dsun.java.launcher=SUN_STANDARD", NULL); 1530 } 1531 1532 /* 1533 * Prints the version information from the java.version and other properties. 1534 */ 1535 static void 1536 PrintJavaVersion(JNIEnv *env, jboolean extraLF) 1537 { 1538 jclass ver; 1539 jmethodID print; 1540 1541 NULL_CHECK(ver = FindBootStrapClass(env, "sun/misc/Version")); 1542 NULL_CHECK(print = (*env)->GetStaticMethodID(env, 1543 ver, 1544 (extraLF == JNI_TRUE) ? "println" : "print", 1545 "()V" 1546 ) 1547 ); 1548 1549 (*env)->CallStaticVoidMethod(env, ver, print); 1550 } 1551 1552 /* 1553 * Prints all the Java settings, see the java implementation for more details. 1554 */ 1555 static void 1556 ShowSettings(JNIEnv *env, char *optString) 1557 { 1558 jmethodID showSettingsID; 1559 jstring joptString; 1560 jclass cls = GetLauncherHelperClass(env); 1561 NULL_CHECK(cls); 1562 NULL_CHECK(showSettingsID = (*env)->GetStaticMethodID(env, cls, 1563 "showSettings", "(ZLjava/lang/String;JJJZ)V")); 1564 NULL_CHECK(joptString = (*env)->NewStringUTF(env, optString)); 1565 (*env)->CallStaticVoidMethod(env, cls, showSettingsID, 1566 USE_STDERR, 1567 joptString, 1568 (jlong)initialHeapSize, 1569 (jlong)maxHeapSize, 1570 (jlong)threadStackSize, 1571 ServerClassMachine()); 1572 } 1573 1574 /* 1575 * Prints default usage or the Xusage message, see sun.launcher.LauncherHelper.java 1576 */ 1577 static void 1578 PrintUsage(JNIEnv* env, jboolean doXUsage) 1579 { 1580 jmethodID initHelp, vmSelect, vmSynonym, vmErgo, printHelp, printXUsageMessage; 1581 jstring jprogname, vm1, vm2; 1582 int i; 1583 jclass cls = GetLauncherHelperClass(env); 1584 NULL_CHECK(cls); 1585 if (doXUsage) { 1586 NULL_CHECK(printXUsageMessage = (*env)->GetStaticMethodID(env, cls, 1587 "printXUsageMessage", "(Z)V")); 1588 (*env)->CallStaticVoidMethod(env, cls, printXUsageMessage, USE_STDERR); 1589 } else { 1590 NULL_CHECK(initHelp = (*env)->GetStaticMethodID(env, cls, 1591 "initHelpMessage", "(Ljava/lang/String;)V")); 1592 1593 NULL_CHECK(vmSelect = (*env)->GetStaticMethodID(env, cls, "appendVmSelectMessage", 1594 "(Ljava/lang/String;Ljava/lang/String;)V")); 1595 1596 NULL_CHECK(vmSynonym = (*env)->GetStaticMethodID(env, cls, 1597 "appendVmSynonymMessage", 1598 "(Ljava/lang/String;Ljava/lang/String;)V")); 1599 NULL_CHECK(vmErgo = (*env)->GetStaticMethodID(env, cls, 1600 "appendVmErgoMessage", "(ZLjava/lang/String;)V")); 1601 1602 NULL_CHECK(printHelp = (*env)->GetStaticMethodID(env, cls, 1603 "printHelpMessage", "(Z)V")); 1604 1605 NULL_CHECK(jprogname = (*env)->NewStringUTF(env, _program_name)); 1606 1607 /* Initialize the usage message with the usual preamble */ 1608 (*env)->CallStaticVoidMethod(env, cls, initHelp, jprogname); 1609 CHECK_EXCEPTION_RETURN(); 1610 1611 1612 /* Assemble the other variant part of the usage */ 1613 if ((knownVMs[0].flag == VM_KNOWN) || 1614 (knownVMs[0].flag == VM_IF_SERVER_CLASS)) { 1615 NULL_CHECK(vm1 = (*env)->NewStringUTF(env, knownVMs[0].name)); 1616 NULL_CHECK(vm2 = (*env)->NewStringUTF(env, knownVMs[0].name+1)); 1617 (*env)->CallStaticVoidMethod(env, cls, vmSelect, vm1, vm2); 1618 CHECK_EXCEPTION_RETURN(); 1619 } 1620 for (i=1; i<knownVMsCount; i++) { 1621 if (knownVMs[i].flag == VM_KNOWN) { 1622 NULL_CHECK(vm1 = (*env)->NewStringUTF(env, knownVMs[i].name)); 1623 NULL_CHECK(vm2 = (*env)->NewStringUTF(env, knownVMs[i].name+1)); 1624 (*env)->CallStaticVoidMethod(env, cls, vmSelect, vm1, vm2); 1625 CHECK_EXCEPTION_RETURN(); 1626 } 1627 } 1628 for (i=1; i<knownVMsCount; i++) { 1629 if (knownVMs[i].flag == VM_ALIASED_TO) { 1630 NULL_CHECK(vm1 = (*env)->NewStringUTF(env, knownVMs[i].name)); 1631 NULL_CHECK(vm2 = (*env)->NewStringUTF(env, knownVMs[i].alias+1)); 1632 (*env)->CallStaticVoidMethod(env, cls, vmSynonym, vm1, vm2); 1633 CHECK_EXCEPTION_RETURN(); 1634 } 1635 } 1636 1637 /* The first known VM is the default */ 1638 { 1639 jboolean isServerClassMachine = ServerClassMachine(); 1640 1641 const char* defaultVM = knownVMs[0].name+1; 1642 if ((knownVMs[0].flag == VM_IF_SERVER_CLASS) && isServerClassMachine) { 1643 defaultVM = knownVMs[0].server_class+1; 1644 } 1645 1646 NULL_CHECK(vm1 = (*env)->NewStringUTF(env, defaultVM)); 1647 (*env)->CallStaticVoidMethod(env, cls, vmErgo, isServerClassMachine, vm1); 1648 CHECK_EXCEPTION_RETURN(); 1649 } 1650 1651 /* Complete the usage message and print to stderr*/ 1652 (*env)->CallStaticVoidMethod(env, cls, printHelp, USE_STDERR); 1653 } 1654 return; 1655 } 1656 1657 /* 1658 * Read the jvm.cfg file and fill the knownJVMs[] array. 1659 * 1660 * The functionality of the jvm.cfg file is subject to change without 1661 * notice and the mechanism will be removed in the future. 1662 * 1663 * The lexical structure of the jvm.cfg file is as follows: 1664 * 1665 * jvmcfg := { vmLine } 1666 * vmLine := knownLine 1667 * | aliasLine 1668 * | warnLine 1669 * | ignoreLine 1670 * | errorLine 1671 * | predicateLine 1672 * | commentLine 1673 * knownLine := flag "KNOWN" EOL 1674 * warnLine := flag "WARN" EOL 1675 * ignoreLine := flag "IGNORE" EOL 1676 * errorLine := flag "ERROR" EOL 1677 * aliasLine := flag "ALIASED_TO" flag EOL 1678 * predicateLine := flag "IF_SERVER_CLASS" flag EOL 1679 * commentLine := "#" text EOL 1680 * flag := "-" identifier 1681 * 1682 * The semantics are that when someone specifies a flag on the command line: 1683 * - if the flag appears on a knownLine, then the identifier is used as 1684 * the name of the directory holding the JVM library (the name of the JVM). 1685 * - if the flag appears as the first flag on an aliasLine, the identifier 1686 * of the second flag is used as the name of the JVM. 1687 * - if the flag appears on a warnLine, the identifier is used as the 1688 * name of the JVM, but a warning is generated. 1689 * - if the flag appears on an ignoreLine, the identifier is recognized as the 1690 * name of a JVM, but the identifier is ignored and the default vm used 1691 * - if the flag appears on an errorLine, an error is generated. 1692 * - if the flag appears as the first flag on a predicateLine, and 1693 * the machine on which you are running passes the predicate indicated, 1694 * then the identifier of the second flag is used as the name of the JVM, 1695 * otherwise the identifier of the first flag is used as the name of the JVM. 1696 * If no flag is given on the command line, the first vmLine of the jvm.cfg 1697 * file determines the name of the JVM. 1698 * PredicateLines are only interpreted on first vmLine of a jvm.cfg file, 1699 * since they only make sense if someone hasn't specified the name of the 1700 * JVM on the command line. 1701 * 1702 * The intent of the jvm.cfg file is to allow several JVM libraries to 1703 * be installed in different subdirectories of a single JRE installation, 1704 * for space-savings and convenience in testing. 1705 * The intent is explicitly not to provide a full aliasing or predicate 1706 * mechanism. 1707 */ 1708 jint 1709 ReadKnownVMs(const char *jvmCfgName, jboolean speculative) 1710 { 1711 FILE *jvmCfg; 1712 char line[MAXPATHLEN+20]; 1713 int cnt = 0; 1714 int lineno = 0; 1715 jlong start, end; 1716 int vmType; 1717 char *tmpPtr; 1718 char *altVMName = NULL; 1719 char *serverClassVMName = NULL; 1720 static char *whiteSpace = " \t"; 1721 if (JLI_IsTraceLauncher()) { 1722 start = CounterGet(); 1723 } 1724 1725 jvmCfg = fopen(jvmCfgName, "r"); 1726 if (jvmCfg == NULL) { 1727 if (!speculative) { 1728 JLI_ReportErrorMessage(CFG_ERROR6, jvmCfgName); 1729 exit(1); 1730 } else { 1731 return -1; 1732 } 1733 } 1734 while (fgets(line, sizeof(line), jvmCfg) != NULL) { 1735 vmType = VM_UNKNOWN; 1736 lineno++; 1737 if (line[0] == '#') 1738 continue; 1739 if (line[0] != '-') { 1740 JLI_ReportErrorMessage(CFG_WARN2, lineno, jvmCfgName); 1741 } 1742 if (cnt >= knownVMsLimit) { 1743 GrowKnownVMs(cnt); 1744 } 1745 line[JLI_StrLen(line)-1] = '\0'; /* remove trailing newline */ 1746 tmpPtr = line + JLI_StrCSpn(line, whiteSpace); 1747 if (*tmpPtr == 0) { 1748 JLI_ReportErrorMessage(CFG_WARN3, lineno, jvmCfgName); 1749 } else { 1750 /* Null-terminate this string for JLI_StringDup below */ 1751 *tmpPtr++ = 0; 1752 tmpPtr += JLI_StrSpn(tmpPtr, whiteSpace); 1753 if (*tmpPtr == 0) { 1754 JLI_ReportErrorMessage(CFG_WARN3, lineno, jvmCfgName); 1755 } else { 1756 if (!JLI_StrCCmp(tmpPtr, "KNOWN")) { 1757 vmType = VM_KNOWN; 1758 } else if (!JLI_StrCCmp(tmpPtr, "ALIASED_TO")) { 1759 tmpPtr += JLI_StrCSpn(tmpPtr, whiteSpace); 1760 if (*tmpPtr != 0) { 1761 tmpPtr += JLI_StrSpn(tmpPtr, whiteSpace); 1762 } 1763 if (*tmpPtr == 0) { 1764 JLI_ReportErrorMessage(CFG_WARN3, lineno, jvmCfgName); 1765 } else { 1766 /* Null terminate altVMName */ 1767 altVMName = tmpPtr; 1768 tmpPtr += JLI_StrCSpn(tmpPtr, whiteSpace); 1769 *tmpPtr = 0; 1770 vmType = VM_ALIASED_TO; 1771 } 1772 } else if (!JLI_StrCCmp(tmpPtr, "WARN")) { 1773 vmType = VM_WARN; 1774 } else if (!JLI_StrCCmp(tmpPtr, "IGNORE")) { 1775 vmType = VM_IGNORE; 1776 } else if (!JLI_StrCCmp(tmpPtr, "ERROR")) { 1777 vmType = VM_ERROR; 1778 } else if (!JLI_StrCCmp(tmpPtr, "IF_SERVER_CLASS")) { 1779 tmpPtr += JLI_StrCSpn(tmpPtr, whiteSpace); 1780 if (*tmpPtr != 0) { 1781 tmpPtr += JLI_StrSpn(tmpPtr, whiteSpace); 1782 } 1783 if (*tmpPtr == 0) { 1784 JLI_ReportErrorMessage(CFG_WARN4, lineno, jvmCfgName); 1785 } else { 1786 /* Null terminate server class VM name */ 1787 serverClassVMName = tmpPtr; 1788 tmpPtr += JLI_StrCSpn(tmpPtr, whiteSpace); 1789 *tmpPtr = 0; 1790 vmType = VM_IF_SERVER_CLASS; 1791 } 1792 } else { 1793 JLI_ReportErrorMessage(CFG_WARN5, lineno, &jvmCfgName[0]); 1794 vmType = VM_KNOWN; 1795 } 1796 } 1797 } 1798 1799 JLI_TraceLauncher("jvm.cfg[%d] = ->%s<-\n", cnt, line); 1800 if (vmType != VM_UNKNOWN) { 1801 knownVMs[cnt].name = JLI_StringDup(line); 1802 knownVMs[cnt].flag = vmType; 1803 switch (vmType) { 1804 default: 1805 break; 1806 case VM_ALIASED_TO: 1807 knownVMs[cnt].alias = JLI_StringDup(altVMName); 1808 JLI_TraceLauncher(" name: %s vmType: %s alias: %s\n", 1809 knownVMs[cnt].name, "VM_ALIASED_TO", knownVMs[cnt].alias); 1810 break; 1811 case VM_IF_SERVER_CLASS: 1812 knownVMs[cnt].server_class = JLI_StringDup(serverClassVMName); 1813 JLI_TraceLauncher(" name: %s vmType: %s server_class: %s\n", 1814 knownVMs[cnt].name, "VM_IF_SERVER_CLASS", knownVMs[cnt].server_class); 1815 break; 1816 } 1817 cnt++; 1818 } 1819 } 1820 fclose(jvmCfg); 1821 knownVMsCount = cnt; 1822 1823 if (JLI_IsTraceLauncher()) { 1824 end = CounterGet(); 1825 printf("%ld micro seconds to parse jvm.cfg\n", 1826 (long)(jint)Counter2Micros(end-start)); 1827 } 1828 1829 return cnt; 1830 } 1831 1832 1833 static void 1834 GrowKnownVMs(int minimum) 1835 { 1836 struct vmdesc* newKnownVMs; 1837 int newMax; 1838 1839 newMax = (knownVMsLimit == 0 ? INIT_MAX_KNOWN_VMS : (2 * knownVMsLimit)); 1840 if (newMax <= minimum) { 1841 newMax = minimum; 1842 } 1843 newKnownVMs = (struct vmdesc*) JLI_MemAlloc(newMax * sizeof(struct vmdesc)); 1844 if (knownVMs != NULL) { 1845 memcpy(newKnownVMs, knownVMs, knownVMsLimit * sizeof(struct vmdesc)); 1846 } 1847 JLI_MemFree(knownVMs); 1848 knownVMs = newKnownVMs; 1849 knownVMsLimit = newMax; 1850 } 1851 1852 1853 /* Returns index of VM or -1 if not found */ 1854 static int 1855 KnownVMIndex(const char* name) 1856 { 1857 int i; 1858 if (JLI_StrCCmp(name, "-J") == 0) name += 2; 1859 for (i = 0; i < knownVMsCount; i++) { 1860 if (!JLI_StrCmp(name, knownVMs[i].name)) { 1861 return i; 1862 } 1863 } 1864 return -1; 1865 } 1866 1867 static void 1868 FreeKnownVMs() 1869 { 1870 int i; 1871 for (i = 0; i < knownVMsCount; i++) { 1872 JLI_MemFree(knownVMs[i].name); 1873 knownVMs[i].name = NULL; 1874 } 1875 JLI_MemFree(knownVMs); 1876 } 1877 1878 /* 1879 * Displays the splash screen according to the jar file name 1880 * and image file names stored in environment variables 1881 */ 1882 void 1883 ShowSplashScreen() 1884 { 1885 const char *jar_name = getenv(SPLASH_JAR_ENV_ENTRY); 1886 const char *file_name = getenv(SPLASH_FILE_ENV_ENTRY); 1887 int data_size; 1888 void *image_data = NULL; 1889 float scale_factor = 1; 1890 char *scaled_splash_name = NULL; 1891 1892 if (file_name == NULL){ 1893 return; 1894 } 1895 1896 scaled_splash_name = DoSplashGetScaledImageName( 1897 jar_name, file_name, &scale_factor); 1898 if (jar_name) { 1899 1900 if (scaled_splash_name) { 1901 image_data = JLI_JarUnpackFile( 1902 jar_name, scaled_splash_name, &data_size); 1903 } 1904 1905 if (!image_data) { 1906 scale_factor = 1; 1907 image_data = JLI_JarUnpackFile( 1908 jar_name, file_name, &data_size); 1909 } 1910 if (image_data) { 1911 DoSplashInit(); 1912 DoSplashSetScaleFactor(scale_factor); 1913 DoSplashLoadMemory(image_data, data_size); 1914 JLI_MemFree(image_data); 1915 } 1916 } else { 1917 DoSplashInit(); 1918 if (scaled_splash_name) { 1919 DoSplashSetScaleFactor(scale_factor); 1920 DoSplashLoadFile(scaled_splash_name); 1921 } else { 1922 DoSplashLoadFile(file_name); 1923 } 1924 } 1925 1926 if (scaled_splash_name) { 1927 JLI_MemFree(scaled_splash_name); 1928 } 1929 1930 DoSplashSetFileJarName(file_name, jar_name); 1931 1932 /* 1933 * Done with all command line processing and potential re-execs so 1934 * clean up the environment. 1935 */ 1936 (void)UnsetEnv(ENV_ENTRY); 1937 (void)UnsetEnv(SPLASH_FILE_ENV_ENTRY); 1938 (void)UnsetEnv(SPLASH_JAR_ENV_ENTRY); 1939 1940 JLI_MemFree(splash_jar_entry); 1941 JLI_MemFree(splash_file_entry); 1942 1943 } 1944 1945 const char* 1946 GetDotVersion() 1947 { 1948 return _dVersion; 1949 } 1950 1951 const char* 1952 GetFullVersion() 1953 { 1954 return _fVersion; 1955 } 1956 1957 const char* 1958 GetProgramName() 1959 { 1960 return _program_name; 1961 } 1962 1963 const char* 1964 GetLauncherName() 1965 { 1966 return _launcher_name; 1967 } 1968 1969 jint 1970 GetErgoPolicy() 1971 { 1972 return _ergo_policy; 1973 } 1974 1975 jboolean 1976 IsJavaArgs() 1977 { 1978 return _is_java_args; 1979 } 1980 1981 static jboolean 1982 IsWildCardEnabled() 1983 { 1984 return _wc_enabled; 1985 } 1986 1987 int 1988 ContinueInNewThread(InvocationFunctions* ifn, jlong threadStackSize, 1989 int argc, char **argv, 1990 int mode, char *what, int ret) 1991 { 1992 1993 /* 1994 * If user doesn't specify stack size, check if VM has a preference. 1995 * Note that HotSpot no longer supports JNI_VERSION_1_1 but it will 1996 * return its default stack size through the init args structure. 1997 */ 1998 if (threadStackSize == 0) { 1999 struct JDK1_1InitArgs args1_1; 2000 memset((void*)&args1_1, 0, sizeof(args1_1)); 2001 args1_1.version = JNI_VERSION_1_1; 2002 ifn->GetDefaultJavaVMInitArgs(&args1_1); /* ignore return value */ 2003 if (args1_1.javaStackSize > 0) { 2004 threadStackSize = args1_1.javaStackSize; 2005 } 2006 } 2007 2008 { /* Create a new thread to create JVM and invoke main method */ 2009 JavaMainArgs args; 2010 int rslt; 2011 2012 args.argc = argc; 2013 args.argv = argv; 2014 args.mode = mode; 2015 args.what = what; 2016 args.ifn = *ifn; 2017 2018 rslt = ContinueInNewThread0(JavaMain, threadStackSize, (void*)&args); 2019 /* If the caller has deemed there is an error we 2020 * simply return that, otherwise we return the value of 2021 * the callee 2022 */ 2023 return (ret != 0) ? ret : rslt; 2024 } 2025 } 2026 2027 static void 2028 DumpState() 2029 { 2030 if (!JLI_IsTraceLauncher()) return ; 2031 printf("Launcher state:\n"); 2032 printf("\tdebug:%s\n", (JLI_IsTraceLauncher() == JNI_TRUE) ? "on" : "off"); 2033 printf("\tjavargs:%s\n", (_is_java_args == JNI_TRUE) ? "on" : "off"); 2034 printf("\tprogram name:%s\n", GetProgramName()); 2035 printf("\tlauncher name:%s\n", GetLauncherName()); 2036 printf("\tjavaw:%s\n", (IsJavaw() == JNI_TRUE) ? "on" : "off"); 2037 printf("\tfullversion:%s\n", GetFullVersion()); 2038 printf("\tdotversion:%s\n", GetDotVersion()); 2039 printf("\tergo_policy:"); 2040 switch(GetErgoPolicy()) { 2041 case NEVER_SERVER_CLASS: 2042 printf("NEVER_ACT_AS_A_SERVER_CLASS_MACHINE\n"); 2043 break; 2044 case ALWAYS_SERVER_CLASS: 2045 printf("ALWAYS_ACT_AS_A_SERVER_CLASS_MACHINE\n"); 2046 break; 2047 default: 2048 printf("DEFAULT_ERGONOMICS_POLICY\n"); 2049 } 2050 } 2051 2052 /* 2053 * Return JNI_TRUE for an option string that has no effect but should 2054 * _not_ be passed on to the vm; return JNI_FALSE otherwise. On 2055 * Solaris SPARC, this screening needs to be done if: 2056 * -d32 or -d64 is passed to a binary with an unmatched data model 2057 * (the exec in CreateExecutionEnvironment removes -d<n> options and points the 2058 * exec to the proper binary). In the case of when the data model and the 2059 * requested version is matched, an exec would not occur, and these options 2060 * were erroneously passed to the vm. 2061 */ 2062 jboolean 2063 RemovableOption(char * option) 2064 { 2065 /* 2066 * Unconditionally remove both -d32 and -d64 options since only 2067 * the last such options has an effect; e.g. 2068 * java -d32 -d64 -d32 -version 2069 * is equivalent to 2070 * java -d32 -version 2071 */ 2072 2073 if( (JLI_StrCCmp(option, "-d32") == 0 ) || 2074 (JLI_StrCCmp(option, "-d64") == 0 ) ) 2075 return JNI_TRUE; 2076 else 2077 return JNI_FALSE; 2078 } 2079 2080 /* 2081 * A utility procedure to always print to stderr 2082 */ 2083 void 2084 JLI_ReportMessage(const char* fmt, ...) 2085 { 2086 va_list vl; 2087 va_start(vl, fmt); 2088 vfprintf(stderr, fmt, vl); 2089 fprintf(stderr, "\n"); 2090 va_end(vl); 2091 }