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