Mercurial > hg > truffle
comparison src/share/tools/launcher/java.c @ 1985:cb2d0a362639
6981484: Update development launcher
Summary: Add new development launcher called hotspot(.exe)
Reviewed-by: coleenp
author | sla |
---|---|
date | Thu, 02 Dec 2010 05:45:54 -0800 |
parents | |
children | aa6e219afbf1 |
comparison
equal
deleted
inserted
replaced
1984:2968675b413e | 1985:cb2d0a362639 |
---|---|
1 /* | |
2 * Copyright (c) 1999, 2010, 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. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 * | |
23 */ | |
24 | |
25 /* | |
26 * Gamma (Hotspot internal engineering test) launcher based on 6.0u22 JDK, | |
27 * search "GAMMA" for gamma specific changes. | |
28 * | |
29 * GAMMA: gamma launcher is much simpler than regular java launcher in that | |
30 * JVM is either statically linked in or it is installed in the | |
31 * same directory where the launcher exists, so we don't have to | |
32 * worry about choosing the right JVM based on command line flag, jar | |
33 * file and/or ergonomics. Intead of removing unused logic from source | |
34 * they are commented out with #ifndef GAMMA, hopefully it'll be easier | |
35 * to maintain this file in sync with regular JDK launcher. | |
36 */ | |
37 | |
38 /* | |
39 * Shared source for 'java' command line tool. | |
40 * | |
41 * If JAVA_ARGS is defined, then acts as a launcher for applications. For | |
42 * instance, the JDK command line tools such as javac and javadoc (see | |
43 * makefiles for more details) are built with this program. Any arguments | |
44 * prefixed with '-J' will be passed directly to the 'java' command. | |
45 */ | |
46 | |
47 #ifdef GAMMA | |
48 # ifdef JAVA_ARGS | |
49 # error Do NOT define JAVA_ARGS when building gamma launcher | |
50 # endif | |
51 # if !defined(LINK_INTO_AOUT) && !defined(LINK_INTO_LIBJVM) | |
52 # error Either LINK_INTO_AOUT or LINK_INTO_LIBJVM must be defined | |
53 # endif | |
54 #endif | |
55 | |
56 /* | |
57 * One job of the launcher is to remove command line options which the | |
58 * vm does not understand and will not process. These options include | |
59 * options which select which style of vm is run (e.g. -client and | |
60 * -server) as well as options which select the data model to use. | |
61 * Additionally, for tools which invoke an underlying vm "-J-foo" | |
62 * options are turned into "-foo" options to the vm. This option | |
63 * filtering is handled in a number of places in the launcher, some of | |
64 * it in machine-dependent code. In this file, the function | |
65 * CheckJVMType removes vm style options and TranslateApplicationArgs | |
66 * removes "-J" prefixes. On unix platforms, the | |
67 * CreateExecutionEnvironment function from the unix java_md.c file | |
68 * processes and removes -d<n> options. However, in case | |
69 * CreateExecutionEnvironment does not need to exec because | |
70 * LD_LIBRARY_PATH is set acceptably and the data model does not need | |
71 * to be changed, ParseArguments will screen out the redundant -d<n> | |
72 * options and prevent them from being passed to the vm; this is done | |
73 * by using the machine-dependent call | |
74 * RemovableMachineDependentOption. | |
75 */ | |
76 | |
77 #include <stdio.h> | |
78 #include <stdlib.h> | |
79 #include <string.h> | |
80 | |
81 #include <jni.h> | |
82 #include <jvm.h> | |
83 #include "java.h" | |
84 #ifndef GAMMA | |
85 #include "manifest_info.h" | |
86 #include "version_comp.h" | |
87 #include "splashscreen.h" | |
88 #endif | |
89 #include "wildcard.h" | |
90 | |
91 #ifndef FULL_VERSION | |
92 #define FULL_VERSION JDK_MAJOR_VERSION "." JDK_MINOR_VERSION | |
93 #endif | |
94 | |
95 /* | |
96 * The following environment variable is used to influence the behavior | |
97 * of the jre exec'd through the SelectVersion routine. The command line | |
98 * options which specify the version are not passed to the exec'd version, | |
99 * because that jre may be an older version which wouldn't recognize them. | |
100 * This environment variable is known to this (and later) version and serves | |
101 * to suppress the version selection code. This is not only for efficiency, | |
102 * but also for correctness, since any command line options have been | |
103 * removed which would cause any value found in the manifest to be used. | |
104 * This would be incorrect because the command line options are defined | |
105 * to take precedence. | |
106 * | |
107 * The value associated with this environment variable is the MainClass | |
108 * name from within the executable jar file (if any). This is strictly a | |
109 * performance enhancement to avoid re-reading the jar file manifest. | |
110 * | |
111 * A NOTE TO DEVELOPERS: For performance reasons it is important that | |
112 * the program image remain relatively small until after SelectVersion | |
113 * CreateExecutionEnvironment have finished their possibly recursive | |
114 * processing. Watch everything, but resist all temptations to use Java | |
115 * interfaces. | |
116 */ | |
117 #define ENV_ENTRY "_JAVA_VERSION_SET" | |
118 | |
119 #ifndef GAMMA | |
120 #define SPLASH_FILE_ENV_ENTRY "_JAVA_SPLASH_FILE" | |
121 #define SPLASH_JAR_ENV_ENTRY "_JAVA_SPLASH_JAR" | |
122 #endif | |
123 | |
124 static jboolean printVersion = JNI_FALSE; /* print and exit */ | |
125 static jboolean showVersion = JNI_FALSE; /* print but continue */ | |
126 static char *progname; | |
127 jboolean _launcher_debug = JNI_FALSE; | |
128 | |
129 #ifndef GAMMA | |
130 /* | |
131 * Entries for splash screen environment variables. | |
132 * putenv is performed in SelectVersion. We need | |
133 * them in memory until UnsetEnv, so they are made static | |
134 * global instead of auto local. | |
135 */ | |
136 static char* splash_file_entry = NULL; | |
137 static char* splash_jar_entry = NULL; | |
138 #endif | |
139 | |
140 /* | |
141 * List of VM options to be specified when the VM is created. | |
142 */ | |
143 static JavaVMOption *options; | |
144 static int numOptions, maxOptions; | |
145 | |
146 /* | |
147 * Prototypes for functions internal to launcher. | |
148 */ | |
149 static void SetClassPath(const char *s); | |
150 static void SelectVersion(int argc, char **argv, char **main_class); | |
151 static jboolean ParseArguments(int *pargc, char ***pargv, char **pjarfile, | |
152 char **pclassname, int *pret, const char *jvmpath); | |
153 static jboolean InitializeJVM(JavaVM **pvm, JNIEnv **penv, | |
154 InvocationFunctions *ifn); | |
155 static jstring NewPlatformString(JNIEnv *env, char *s); | |
156 static jobjectArray NewPlatformStringArray(JNIEnv *env, char **strv, int strc); | |
157 static jclass LoadClass(JNIEnv *env, char *name); | |
158 static jstring GetMainClassName(JNIEnv *env, char *jarname); | |
159 static void SetJavaCommandLineProp(char* classname, char* jarfile, int argc, char** argv); | |
160 static void SetJavaLauncherProp(void); | |
161 | |
162 #ifdef JAVA_ARGS | |
163 static void TranslateApplicationArgs(int *pargc, char ***pargv); | |
164 static jboolean AddApplicationOptions(void); | |
165 #endif | |
166 | |
167 static void PrintJavaVersion(JNIEnv *env); | |
168 static void PrintUsage(void); | |
169 static jint PrintXUsage(const char *jvmpath); | |
170 | |
171 static void SetPaths(int argc, char **argv); | |
172 | |
173 #ifndef GAMMA | |
174 | |
175 /* Maximum supported entries from jvm.cfg. */ | |
176 #define INIT_MAX_KNOWN_VMS 10 | |
177 /* Values for vmdesc.flag */ | |
178 #define VM_UNKNOWN -1 | |
179 #define VM_KNOWN 0 | |
180 #define VM_ALIASED_TO 1 | |
181 #define VM_WARN 2 | |
182 #define VM_ERROR 3 | |
183 #define VM_IF_SERVER_CLASS 4 | |
184 #define VM_IGNORE 5 | |
185 struct vmdesc { | |
186 char *name; | |
187 int flag; | |
188 char *alias; | |
189 char *server_class; | |
190 }; | |
191 static struct vmdesc *knownVMs = NULL; | |
192 static int knownVMsCount = 0; | |
193 static int knownVMsLimit = 0; | |
194 | |
195 static void GrowKnownVMs(); | |
196 static int KnownVMIndex(const char* name); | |
197 static void FreeKnownVMs(); | |
198 static void ShowSplashScreen(); | |
199 | |
200 #endif /* ifndef GAMMA */ | |
201 | |
202 jboolean ServerClassMachine(); | |
203 | |
204 /* flag which if set suppresses error messages from the launcher */ | |
205 static int noExitErrorMessage = 0; | |
206 | |
207 /* | |
208 * Running Java code in primordial thread caused many problems. We will | |
209 * create a new thread to invoke JVM. See 6316197 for more information. | |
210 */ | |
211 static jlong threadStackSize = 0; /* stack size of the new thread */ | |
212 | |
213 int JNICALL JavaMain(void * args); /* entry point */ | |
214 | |
215 struct JavaMainArgs { | |
216 int argc; | |
217 char ** argv; | |
218 char * jarfile; | |
219 char * classname; | |
220 InvocationFunctions ifn; | |
221 }; | |
222 | |
223 /* | |
224 * Entry point. | |
225 */ | |
226 int | |
227 main(int argc, char ** argv) | |
228 { | |
229 char *jarfile = 0; | |
230 char *classname = 0; | |
231 char *s = 0; | |
232 char *main_class = NULL; | |
233 int ret; | |
234 InvocationFunctions ifn; | |
235 jlong start, end; | |
236 char jrepath[MAXPATHLEN], jvmpath[MAXPATHLEN]; | |
237 char ** original_argv = argv; | |
238 | |
239 if (getenv("_JAVA_LAUNCHER_DEBUG") != 0) { | |
240 _launcher_debug = JNI_TRUE; | |
241 printf("----_JAVA_LAUNCHER_DEBUG----\n"); | |
242 } | |
243 | |
244 #ifndef GAMMA | |
245 /* | |
246 * Make sure the specified version of the JRE is running. | |
247 * | |
248 * There are three things to note about the SelectVersion() routine: | |
249 * 1) If the version running isn't correct, this routine doesn't | |
250 * return (either the correct version has been exec'd or an error | |
251 * was issued). | |
252 * 2) Argc and Argv in this scope are *not* altered by this routine. | |
253 * It is the responsibility of subsequent code to ignore the | |
254 * arguments handled by this routine. | |
255 * 3) As a side-effect, the variable "main_class" is guaranteed to | |
256 * be set (if it should ever be set). This isn't exactly the | |
257 * poster child for structured programming, but it is a small | |
258 * price to pay for not processing a jar file operand twice. | |
259 * (Note: This side effect has been disabled. See comment on | |
260 * bugid 5030265 below.) | |
261 */ | |
262 SelectVersion(argc, argv, &main_class); | |
263 #endif /* ifndef GAMMA */ | |
264 | |
265 /* copy original argv */ | |
266 { | |
267 int i; | |
268 original_argv = (char**)JLI_MemAlloc(sizeof(char*)*(argc+1)); | |
269 for(i = 0; i < argc+1; i++) | |
270 original_argv[i] = argv[i]; | |
271 } | |
272 | |
273 CreateExecutionEnvironment(&argc, &argv, | |
274 jrepath, sizeof(jrepath), | |
275 jvmpath, sizeof(jvmpath), | |
276 original_argv); | |
277 | |
278 ifn.CreateJavaVM = 0; | |
279 ifn.GetDefaultJavaVMInitArgs = 0; | |
280 | |
281 if (_launcher_debug) | |
282 start = CounterGet(); | |
283 if (!LoadJavaVM(jvmpath, &ifn)) { | |
284 exit(6); | |
285 } | |
286 if (_launcher_debug) { | |
287 end = CounterGet(); | |
288 printf("%ld micro seconds to LoadJavaVM\n", | |
289 (long)(jint)Counter2Micros(end-start)); | |
290 } | |
291 | |
292 #ifdef JAVA_ARGS /* javac, jar and friends. */ | |
293 progname = "java"; | |
294 #else /* java, oldjava, javaw and friends */ | |
295 #ifdef PROGNAME | |
296 progname = PROGNAME; | |
297 #else | |
298 progname = *argv; | |
299 if ((s = strrchr(progname, FILE_SEPARATOR)) != 0) { | |
300 progname = s + 1; | |
301 } | |
302 #endif /* PROGNAME */ | |
303 #endif /* JAVA_ARGS */ | |
304 ++argv; | |
305 --argc; | |
306 | |
307 #ifdef JAVA_ARGS | |
308 /* Preprocess wrapper arguments */ | |
309 TranslateApplicationArgs(&argc, &argv); | |
310 if (!AddApplicationOptions()) { | |
311 exit(1); | |
312 } | |
313 #endif | |
314 | |
315 /* Set default CLASSPATH */ | |
316 if ((s = getenv("CLASSPATH")) == 0) { | |
317 s = "."; | |
318 } | |
319 #ifndef JAVA_ARGS | |
320 SetClassPath(s); | |
321 #endif | |
322 | |
323 /* | |
324 * Parse command line options; if the return value of | |
325 * ParseArguments is false, the program should exit. | |
326 */ | |
327 if (!ParseArguments(&argc, &argv, &jarfile, &classname, &ret, jvmpath)) { | |
328 exit(ret); | |
329 } | |
330 | |
331 /* Override class path if -jar flag was specified */ | |
332 if (jarfile != 0) { | |
333 SetClassPath(jarfile); | |
334 } | |
335 | |
336 /* set the -Dsun.java.command pseudo property */ | |
337 SetJavaCommandLineProp(classname, jarfile, argc, argv); | |
338 | |
339 /* Set the -Dsun.java.launcher pseudo property */ | |
340 SetJavaLauncherProp(); | |
341 | |
342 /* set the -Dsun.java.launcher.* platform properties */ | |
343 SetJavaLauncherPlatformProps(); | |
344 | |
345 #ifndef GAMMA | |
346 /* Show the splash screen if needed */ | |
347 ShowSplashScreen(); | |
348 #endif | |
349 | |
350 /* | |
351 * Done with all command line processing and potential re-execs so | |
352 * clean up the environment. | |
353 */ | |
354 (void)UnsetEnv(ENV_ENTRY); | |
355 #ifndef GAMMA | |
356 (void)UnsetEnv(SPLASH_FILE_ENV_ENTRY); | |
357 (void)UnsetEnv(SPLASH_JAR_ENV_ENTRY); | |
358 | |
359 JLI_MemFree(splash_jar_entry); | |
360 JLI_MemFree(splash_file_entry); | |
361 #endif | |
362 | |
363 /* | |
364 * If user doesn't specify stack size, check if VM has a preference. | |
365 * Note that HotSpot no longer supports JNI_VERSION_1_1 but it will | |
366 * return its default stack size through the init args structure. | |
367 */ | |
368 if (threadStackSize == 0) { | |
369 struct JDK1_1InitArgs args1_1; | |
370 memset((void*)&args1_1, 0, sizeof(args1_1)); | |
371 args1_1.version = JNI_VERSION_1_1; | |
372 ifn.GetDefaultJavaVMInitArgs(&args1_1); /* ignore return value */ | |
373 if (args1_1.javaStackSize > 0) { | |
374 threadStackSize = args1_1.javaStackSize; | |
375 } | |
376 } | |
377 | |
378 { /* Create a new thread to create JVM and invoke main method */ | |
379 struct JavaMainArgs args; | |
380 | |
381 args.argc = argc; | |
382 args.argv = argv; | |
383 args.jarfile = jarfile; | |
384 args.classname = classname; | |
385 args.ifn = ifn; | |
386 | |
387 return ContinueInNewThread(JavaMain, threadStackSize, (void*)&args); | |
388 } | |
389 } | |
390 | |
391 int JNICALL | |
392 JavaMain(void * _args) | |
393 { | |
394 struct JavaMainArgs *args = (struct JavaMainArgs *)_args; | |
395 int argc = args->argc; | |
396 char **argv = args->argv; | |
397 char *jarfile = args->jarfile; | |
398 char *classname = args->classname; | |
399 InvocationFunctions ifn = args->ifn; | |
400 | |
401 JavaVM *vm = 0; | |
402 JNIEnv *env = 0; | |
403 jstring mainClassName; | |
404 jclass mainClass; | |
405 jmethodID mainID; | |
406 jobjectArray mainArgs; | |
407 int ret = 0; | |
408 jlong start, end; | |
409 | |
410 /* | |
411 * Error message to print or display; by default the message will | |
412 * only be displayed in a window. | |
413 */ | |
414 char * message = "Fatal exception occurred. Program will exit."; | |
415 jboolean messageDest = JNI_FALSE; | |
416 | |
417 /* Initialize the virtual machine */ | |
418 | |
419 if (_launcher_debug) | |
420 start = CounterGet(); | |
421 if (!InitializeJVM(&vm, &env, &ifn)) { | |
422 ReportErrorMessage("Could not create the Java virtual machine.", | |
423 JNI_TRUE); | |
424 exit(1); | |
425 } | |
426 | |
427 if (printVersion || showVersion) { | |
428 PrintJavaVersion(env); | |
429 if ((*env)->ExceptionOccurred(env)) { | |
430 ReportExceptionDescription(env); | |
431 goto leave; | |
432 } | |
433 if (printVersion) { | |
434 ret = 0; | |
435 message = NULL; | |
436 goto leave; | |
437 } | |
438 if (showVersion) { | |
439 fprintf(stderr, "\n"); | |
440 } | |
441 } | |
442 | |
443 /* If the user specified neither a class name nor a JAR file */ | |
444 if (jarfile == 0 && classname == 0) { | |
445 PrintUsage(); | |
446 message = NULL; | |
447 goto leave; | |
448 } | |
449 | |
450 #ifndef GAMMA | |
451 FreeKnownVMs(); /* after last possible PrintUsage() */ | |
452 #endif | |
453 | |
454 if (_launcher_debug) { | |
455 end = CounterGet(); | |
456 printf("%ld micro seconds to InitializeJVM\n", | |
457 (long)(jint)Counter2Micros(end-start)); | |
458 } | |
459 | |
460 /* At this stage, argc/argv have the applications' arguments */ | |
461 if (_launcher_debug) { | |
462 int i = 0; | |
463 printf("Main-Class is '%s'\n", classname ? classname : ""); | |
464 printf("Apps' argc is %d\n", argc); | |
465 for (; i < argc; i++) { | |
466 printf(" argv[%2d] = '%s'\n", i, argv[i]); | |
467 } | |
468 } | |
469 | |
470 ret = 1; | |
471 | |
472 /* | |
473 * Get the application's main class. | |
474 * | |
475 * See bugid 5030265. The Main-Class name has already been parsed | |
476 * from the manifest, but not parsed properly for UTF-8 support. | |
477 * Hence the code here ignores the value previously extracted and | |
478 * uses the pre-existing code to reextract the value. This is | |
479 * possibly an end of release cycle expedient. However, it has | |
480 * also been discovered that passing some character sets through | |
481 * the environment has "strange" behavior on some variants of | |
482 * Windows. Hence, maybe the manifest parsing code local to the | |
483 * launcher should never be enhanced. | |
484 * | |
485 * Hence, future work should either: | |
486 * 1) Correct the local parsing code and verify that the | |
487 * Main-Class attribute gets properly passed through | |
488 * all environments, | |
489 * 2) Remove the vestages of maintaining main_class through | |
490 * the environment (and remove these comments). | |
491 */ | |
492 if (jarfile != 0) { | |
493 mainClassName = GetMainClassName(env, jarfile); | |
494 if ((*env)->ExceptionOccurred(env)) { | |
495 ReportExceptionDescription(env); | |
496 goto leave; | |
497 } | |
498 if (mainClassName == NULL) { | |
499 const char * format = "Failed to load Main-Class manifest " | |
500 "attribute from\n%s"; | |
501 message = (char*)JLI_MemAlloc((strlen(format) + strlen(jarfile)) * | |
502 sizeof(char)); | |
503 sprintf(message, format, jarfile); | |
504 messageDest = JNI_TRUE; | |
505 goto leave; | |
506 } | |
507 classname = (char *)(*env)->GetStringUTFChars(env, mainClassName, 0); | |
508 if (classname == NULL) { | |
509 ReportExceptionDescription(env); | |
510 goto leave; | |
511 } | |
512 mainClass = LoadClass(env, classname); | |
513 if(mainClass == NULL) { /* exception occured */ | |
514 const char * format = "Could not find the main class: %s. Program will exit."; | |
515 ReportExceptionDescription(env); | |
516 message = (char *)JLI_MemAlloc((strlen(format) + | |
517 strlen(classname)) * sizeof(char) ); | |
518 messageDest = JNI_TRUE; | |
519 sprintf(message, format, classname); | |
520 goto leave; | |
521 } | |
522 (*env)->ReleaseStringUTFChars(env, mainClassName, classname); | |
523 } else { | |
524 mainClassName = NewPlatformString(env, classname); | |
525 if (mainClassName == NULL) { | |
526 const char * format = "Failed to load Main Class: %s"; | |
527 message = (char *)JLI_MemAlloc((strlen(format) + strlen(classname)) * | |
528 sizeof(char) ); | |
529 sprintf(message, format, classname); | |
530 messageDest = JNI_TRUE; | |
531 goto leave; | |
532 } | |
533 classname = (char *)(*env)->GetStringUTFChars(env, mainClassName, 0); | |
534 if (classname == NULL) { | |
535 ReportExceptionDescription(env); | |
536 goto leave; | |
537 } | |
538 mainClass = LoadClass(env, classname); | |
539 if(mainClass == NULL) { /* exception occured */ | |
540 const char * format = "Could not find the main class: %s. Program will exit."; | |
541 ReportExceptionDescription(env); | |
542 message = (char *)JLI_MemAlloc((strlen(format) + | |
543 strlen(classname)) * sizeof(char) ); | |
544 messageDest = JNI_TRUE; | |
545 sprintf(message, format, classname); | |
546 goto leave; | |
547 } | |
548 (*env)->ReleaseStringUTFChars(env, mainClassName, classname); | |
549 } | |
550 | |
551 /* Get the application's main method */ | |
552 mainID = (*env)->GetStaticMethodID(env, mainClass, "main", | |
553 "([Ljava/lang/String;)V"); | |
554 if (mainID == NULL) { | |
555 if ((*env)->ExceptionOccurred(env)) { | |
556 ReportExceptionDescription(env); | |
557 } else { | |
558 message = "No main method found in specified class."; | |
559 messageDest = JNI_TRUE; | |
560 } | |
561 goto leave; | |
562 } | |
563 | |
564 { /* Make sure the main method is public */ | |
565 jint mods; | |
566 jmethodID mid; | |
567 jobject obj = (*env)->ToReflectedMethod(env, mainClass, | |
568 mainID, JNI_TRUE); | |
569 | |
570 if( obj == NULL) { /* exception occurred */ | |
571 ReportExceptionDescription(env); | |
572 goto leave; | |
573 } | |
574 | |
575 mid = | |
576 (*env)->GetMethodID(env, | |
577 (*env)->GetObjectClass(env, obj), | |
578 "getModifiers", "()I"); | |
579 if ((*env)->ExceptionOccurred(env)) { | |
580 ReportExceptionDescription(env); | |
581 goto leave; | |
582 } | |
583 | |
584 mods = (*env)->CallIntMethod(env, obj, mid); | |
585 if ((mods & 1) == 0) { /* if (!Modifier.isPublic(mods)) ... */ | |
586 message = "Main method not public."; | |
587 messageDest = JNI_TRUE; | |
588 goto leave; | |
589 } | |
590 } | |
591 | |
592 /* Build argument array */ | |
593 mainArgs = NewPlatformStringArray(env, argv, argc); | |
594 if (mainArgs == NULL) { | |
595 ReportExceptionDescription(env); | |
596 goto leave; | |
597 } | |
598 | |
599 /* Invoke main method. */ | |
600 (*env)->CallStaticVoidMethod(env, mainClass, mainID, mainArgs); | |
601 | |
602 /* | |
603 * The launcher's exit code (in the absence of calls to | |
604 * System.exit) will be non-zero if main threw an exception. | |
605 */ | |
606 ret = (*env)->ExceptionOccurred(env) == NULL ? 0 : 1; | |
607 | |
608 /* | |
609 * Detach the main thread so that it appears to have ended when | |
610 * the application's main method exits. This will invoke the | |
611 * uncaught exception handler machinery if main threw an | |
612 * exception. An uncaught exception handler cannot change the | |
613 * launcher's return code except by calling System.exit. | |
614 */ | |
615 if ((*vm)->DetachCurrentThread(vm) != 0) { | |
616 message = "Could not detach main thread."; | |
617 messageDest = JNI_TRUE; | |
618 ret = 1; | |
619 goto leave; | |
620 } | |
621 | |
622 message = NULL; | |
623 | |
624 leave: | |
625 /* | |
626 * Wait for all non-daemon threads to end, then destroy the VM. | |
627 * This will actually create a trivial new Java waiter thread | |
628 * named "DestroyJavaVM", but this will be seen as a different | |
629 * thread from the one that executed main, even though they are | |
630 * the same C thread. This allows mainThread.join() and | |
631 * mainThread.isAlive() to work as expected. | |
632 */ | |
633 (*vm)->DestroyJavaVM(vm); | |
634 | |
635 if(message != NULL && !noExitErrorMessage) | |
636 ReportErrorMessage(message, messageDest); | |
637 return ret; | |
638 } | |
639 | |
640 #ifndef GAMMA | |
641 /* | |
642 * Checks the command line options to find which JVM type was | |
643 * specified. If no command line option was given for the JVM type, | |
644 * the default type is used. The environment variable | |
645 * JDK_ALTERNATE_VM and the command line option -XXaltjvm= are also | |
646 * checked as ways of specifying which JVM type to invoke. | |
647 */ | |
648 char * | |
649 CheckJvmType(int *pargc, char ***argv, jboolean speculative) { | |
650 int i, argi; | |
651 int argc; | |
652 char **newArgv; | |
653 int newArgvIdx = 0; | |
654 int isVMType; | |
655 int jvmidx = -1; | |
656 char *jvmtype = getenv("JDK_ALTERNATE_VM"); | |
657 | |
658 argc = *pargc; | |
659 | |
660 /* To make things simpler we always copy the argv array */ | |
661 newArgv = JLI_MemAlloc((argc + 1) * sizeof(char *)); | |
662 | |
663 /* The program name is always present */ | |
664 newArgv[newArgvIdx++] = (*argv)[0]; | |
665 | |
666 for (argi = 1; argi < argc; argi++) { | |
667 char *arg = (*argv)[argi]; | |
668 isVMType = 0; | |
669 | |
670 #ifdef JAVA_ARGS | |
671 if (arg[0] != '-') { | |
672 newArgv[newArgvIdx++] = arg; | |
673 continue; | |
674 } | |
675 #else | |
676 if (strcmp(arg, "-classpath") == 0 || | |
677 strcmp(arg, "-cp") == 0) { | |
678 newArgv[newArgvIdx++] = arg; | |
679 argi++; | |
680 if (argi < argc) { | |
681 newArgv[newArgvIdx++] = (*argv)[argi]; | |
682 } | |
683 continue; | |
684 } | |
685 if (arg[0] != '-') break; | |
686 #endif | |
687 | |
688 /* Did the user pass an explicit VM type? */ | |
689 i = KnownVMIndex(arg); | |
690 if (i >= 0) { | |
691 jvmtype = knownVMs[jvmidx = i].name + 1; /* skip the - */ | |
692 isVMType = 1; | |
693 *pargc = *pargc - 1; | |
694 } | |
695 | |
696 /* Did the user specify an "alternate" VM? */ | |
697 else if (strncmp(arg, "-XXaltjvm=", 10) == 0 || strncmp(arg, "-J-XXaltjvm=", 12) == 0) { | |
698 isVMType = 1; | |
699 jvmtype = arg+((arg[1]=='X')? 10 : 12); | |
700 jvmidx = -1; | |
701 } | |
702 | |
703 if (!isVMType) { | |
704 newArgv[newArgvIdx++] = arg; | |
705 } | |
706 } | |
707 | |
708 /* | |
709 * Finish copying the arguments if we aborted the above loop. | |
710 * NOTE that if we aborted via "break" then we did NOT copy the | |
711 * last argument above, and in addition argi will be less than | |
712 * argc. | |
713 */ | |
714 while (argi < argc) { | |
715 newArgv[newArgvIdx++] = (*argv)[argi]; | |
716 argi++; | |
717 } | |
718 | |
719 /* argv is null-terminated */ | |
720 newArgv[newArgvIdx] = 0; | |
721 | |
722 /* Copy back argv */ | |
723 *argv = newArgv; | |
724 *pargc = newArgvIdx; | |
725 | |
726 /* use the default VM type if not specified (no alias processing) */ | |
727 if (jvmtype == NULL) { | |
728 char* result = knownVMs[0].name+1; | |
729 /* Use a different VM type if we are on a server class machine? */ | |
730 if ((knownVMs[0].flag == VM_IF_SERVER_CLASS) && | |
731 (ServerClassMachine() == JNI_TRUE)) { | |
732 result = knownVMs[0].server_class+1; | |
733 } | |
734 if (_launcher_debug) { | |
735 printf("Default VM: %s\n", result); | |
736 } | |
737 return result; | |
738 } | |
739 | |
740 /* if using an alternate VM, no alias processing */ | |
741 if (jvmidx < 0) | |
742 return jvmtype; | |
743 | |
744 /* Resolve aliases first */ | |
745 { | |
746 int loopCount = 0; | |
747 while (knownVMs[jvmidx].flag == VM_ALIASED_TO) { | |
748 int nextIdx = KnownVMIndex(knownVMs[jvmidx].alias); | |
749 | |
750 if (loopCount > knownVMsCount) { | |
751 if (!speculative) { | |
752 ReportErrorMessage("Error: Corrupt jvm.cfg file; cycle in alias list.", | |
753 JNI_TRUE); | |
754 exit(1); | |
755 } else { | |
756 return "ERROR"; | |
757 /* break; */ | |
758 } | |
759 } | |
760 | |
761 if (nextIdx < 0) { | |
762 if (!speculative) { | |
763 ReportErrorMessage2("Error: Unable to resolve VM alias %s", | |
764 knownVMs[jvmidx].alias, JNI_TRUE); | |
765 exit(1); | |
766 } else { | |
767 return "ERROR"; | |
768 } | |
769 } | |
770 jvmidx = nextIdx; | |
771 jvmtype = knownVMs[jvmidx].name+1; | |
772 loopCount++; | |
773 } | |
774 } | |
775 | |
776 switch (knownVMs[jvmidx].flag) { | |
777 case VM_WARN: | |
778 if (!speculative) { | |
779 fprintf(stderr, "Warning: %s VM not supported; %s VM will be used\n", | |
780 jvmtype, knownVMs[0].name + 1); | |
781 } | |
782 /* fall through */ | |
783 case VM_IGNORE: | |
784 jvmtype = knownVMs[jvmidx=0].name + 1; | |
785 /* fall through */ | |
786 case VM_KNOWN: | |
787 break; | |
788 case VM_ERROR: | |
789 if (!speculative) { | |
790 ReportErrorMessage2("Error: %s VM not supported", jvmtype, JNI_TRUE); | |
791 exit(1); | |
792 } else { | |
793 return "ERROR"; | |
794 } | |
795 } | |
796 | |
797 return jvmtype; | |
798 } | |
799 #endif /* ifndef GAMMA */ | |
800 | |
801 # define KB (1024UL) | |
802 # define MB (1024UL * KB) | |
803 # define GB (1024UL * MB) | |
804 | |
805 /* copied from HotSpot function "atomll()" */ | |
806 static int | |
807 parse_stack_size(const char *s, jlong *result) { | |
808 jlong n = 0; | |
809 int args_read = sscanf(s, jlong_format_specifier(), &n); | |
810 if (args_read != 1) { | |
811 return 0; | |
812 } | |
813 while (*s != '\0' && *s >= '0' && *s <= '9') { | |
814 s++; | |
815 } | |
816 // 4705540: illegal if more characters are found after the first non-digit | |
817 if (strlen(s) > 1) { | |
818 return 0; | |
819 } | |
820 switch (*s) { | |
821 case 'T': case 't': | |
822 *result = n * GB * KB; | |
823 return 1; | |
824 case 'G': case 'g': | |
825 *result = n * GB; | |
826 return 1; | |
827 case 'M': case 'm': | |
828 *result = n * MB; | |
829 return 1; | |
830 case 'K': case 'k': | |
831 *result = n * KB; | |
832 return 1; | |
833 case '\0': | |
834 *result = n; | |
835 return 1; | |
836 default: | |
837 /* Create JVM with default stack and let VM handle malformed -Xss string*/ | |
838 return 0; | |
839 } | |
840 } | |
841 | |
842 /* | |
843 * Adds a new VM option with the given given name and value. | |
844 */ | |
845 void | |
846 AddOption(char *str, void *info) | |
847 { | |
848 /* | |
849 * Expand options array if needed to accommodate at least one more | |
850 * VM option. | |
851 */ | |
852 if (numOptions >= maxOptions) { | |
853 if (options == 0) { | |
854 maxOptions = 4; | |
855 options = JLI_MemAlloc(maxOptions * sizeof(JavaVMOption)); | |
856 } else { | |
857 JavaVMOption *tmp; | |
858 maxOptions *= 2; | |
859 tmp = JLI_MemAlloc(maxOptions * sizeof(JavaVMOption)); | |
860 memcpy(tmp, options, numOptions * sizeof(JavaVMOption)); | |
861 JLI_MemFree(options); | |
862 options = tmp; | |
863 } | |
864 } | |
865 options[numOptions].optionString = str; | |
866 options[numOptions++].extraInfo = info; | |
867 | |
868 if (strncmp(str, "-Xss", 4) == 0) { | |
869 jlong tmp; | |
870 if (parse_stack_size(str + 4, &tmp)) { | |
871 threadStackSize = tmp; | |
872 } | |
873 } | |
874 } | |
875 | |
876 static void | |
877 SetClassPath(const char *s) | |
878 { | |
879 char *def; | |
880 s = JLI_WildcardExpandClasspath(s); | |
881 def = JLI_MemAlloc(strlen(s) + 40); | |
882 sprintf(def, "-Djava.class.path=%s", s); | |
883 AddOption(def, NULL); | |
884 } | |
885 | |
886 #ifndef GAMMA | |
887 /* | |
888 * The SelectVersion() routine ensures that an appropriate version of | |
889 * the JRE is running. The specification for the appropriate version | |
890 * is obtained from either the manifest of a jar file (preferred) or | |
891 * from command line options. | |
892 * The routine also parses splash screen command line options and | |
893 * passes on their values in private environment variables. | |
894 */ | |
895 static void | |
896 SelectVersion(int argc, char **argv, char **main_class) | |
897 { | |
898 char *arg; | |
899 char **new_argv; | |
900 char **new_argp; | |
901 char *operand; | |
902 char *version = NULL; | |
903 char *jre = NULL; | |
904 int jarflag = 0; | |
905 int headlessflag = 0; | |
906 int restrict_search = -1; /* -1 implies not known */ | |
907 manifest_info info; | |
908 char env_entry[MAXNAMELEN + 24] = ENV_ENTRY "="; | |
909 char *splash_file_name = NULL; | |
910 char *splash_jar_name = NULL; | |
911 char *env_in; | |
912 int res; | |
913 | |
914 /* | |
915 * If the version has already been selected, set *main_class | |
916 * with the value passed through the environment (if any) and | |
917 * simply return. | |
918 */ | |
919 if ((env_in = getenv(ENV_ENTRY)) != NULL) { | |
920 if (*env_in != '\0') | |
921 *main_class = JLI_StringDup(env_in); | |
922 return; | |
923 } | |
924 | |
925 /* | |
926 * Scan through the arguments for options relevant to multiple JRE | |
927 * support. For reference, the command line syntax is defined as: | |
928 * | |
929 * SYNOPSIS | |
930 * java [options] class [argument...] | |
931 * | |
932 * java [options] -jar file.jar [argument...] | |
933 * | |
934 * As the scan is performed, make a copy of the argument list with | |
935 * the version specification options (new to 1.5) removed, so that | |
936 * a version less than 1.5 can be exec'd. | |
937 * | |
938 * Note that due to the syntax of the native Windows interface | |
939 * CreateProcess(), processing similar to the following exists in | |
940 * the Windows platform specific routine ExecJRE (in java_md.c). | |
941 * Changes here should be reproduced there. | |
942 */ | |
943 new_argv = JLI_MemAlloc((argc + 1) * sizeof(char*)); | |
944 new_argv[0] = argv[0]; | |
945 new_argp = &new_argv[1]; | |
946 argc--; | |
947 argv++; | |
948 while ((arg = *argv) != 0 && *arg == '-') { | |
949 if (strncmp(arg, "-version:", 9) == 0) { | |
950 version = arg + 9; | |
951 } else if (strcmp(arg, "-jre-restrict-search") == 0) { | |
952 restrict_search = 1; | |
953 } else if (strcmp(arg, "-no-jre-restrict-search") == 0) { | |
954 restrict_search = 0; | |
955 } else { | |
956 if (strcmp(arg, "-jar") == 0) | |
957 jarflag = 1; | |
958 /* deal with "unfortunate" classpath syntax */ | |
959 if ((strcmp(arg, "-classpath") == 0 || strcmp(arg, "-cp") == 0) && | |
960 (argc >= 2)) { | |
961 *new_argp++ = arg; | |
962 argc--; | |
963 argv++; | |
964 arg = *argv; | |
965 } | |
966 | |
967 /* | |
968 * Checking for headless toolkit option in the some way as AWT does: | |
969 * "true" means true and any other value means false | |
970 */ | |
971 if (strcmp(arg, "-Djava.awt.headless=true") == 0) { | |
972 headlessflag = 1; | |
973 } else if (strncmp(arg, "-Djava.awt.headless=", 20) == 0) { | |
974 headlessflag = 0; | |
975 } else if (strncmp(arg, "-splash:", 8) == 0) { | |
976 splash_file_name = arg+8; | |
977 } | |
978 *new_argp++ = arg; | |
979 } | |
980 argc--; | |
981 argv++; | |
982 } | |
983 if (argc <= 0) { /* No operand? Possibly legit with -[full]version */ | |
984 operand = NULL; | |
985 } else { | |
986 argc--; | |
987 *new_argp++ = operand = *argv++; | |
988 } | |
989 while (argc-- > 0) /* Copy over [argument...] */ | |
990 *new_argp++ = *argv++; | |
991 *new_argp = NULL; | |
992 | |
993 /* | |
994 * If there is a jar file, read the manifest. If the jarfile can't be | |
995 * read, the manifest can't be read from the jar file, or the manifest | |
996 * is corrupt, issue the appropriate error messages and exit. | |
997 * | |
998 * Even if there isn't a jar file, construct a manifest_info structure | |
999 * containing the command line information. It's a convenient way to carry | |
1000 * this data around. | |
1001 */ | |
1002 if (jarflag && operand) { | |
1003 if ((res = JLI_ParseManifest(operand, &info)) != 0) { | |
1004 if (res == -1) | |
1005 ReportErrorMessage2("Unable to access jarfile %s", | |
1006 operand, JNI_TRUE); | |
1007 else | |
1008 ReportErrorMessage2("Invalid or corrupt jarfile %s", | |
1009 operand, JNI_TRUE); | |
1010 exit(1); | |
1011 } | |
1012 | |
1013 /* | |
1014 * Command line splash screen option should have precedence | |
1015 * over the manifest, so the manifest data is used only if | |
1016 * splash_file_name has not been initialized above during command | |
1017 * line parsing | |
1018 */ | |
1019 if (!headlessflag && !splash_file_name && info.splashscreen_image_file_name) { | |
1020 splash_file_name = info.splashscreen_image_file_name; | |
1021 splash_jar_name = operand; | |
1022 } | |
1023 } else { | |
1024 info.manifest_version = NULL; | |
1025 info.main_class = NULL; | |
1026 info.jre_version = NULL; | |
1027 info.jre_restrict_search = 0; | |
1028 } | |
1029 | |
1030 /* | |
1031 * Passing on splash screen info in environment variables | |
1032 */ | |
1033 if (splash_file_name && !headlessflag) { | |
1034 char* splash_file_entry = JLI_MemAlloc(strlen(SPLASH_FILE_ENV_ENTRY "=")+strlen(splash_file_name)+1); | |
1035 strcpy(splash_file_entry, SPLASH_FILE_ENV_ENTRY "="); | |
1036 strcat(splash_file_entry, splash_file_name); | |
1037 putenv(splash_file_entry); | |
1038 } | |
1039 if (splash_jar_name && !headlessflag) { | |
1040 char* splash_jar_entry = JLI_MemAlloc(strlen(SPLASH_JAR_ENV_ENTRY "=")+strlen(splash_jar_name)+1); | |
1041 strcpy(splash_jar_entry, SPLASH_JAR_ENV_ENTRY "="); | |
1042 strcat(splash_jar_entry, splash_jar_name); | |
1043 putenv(splash_jar_entry); | |
1044 } | |
1045 | |
1046 /* | |
1047 * The JRE-Version and JRE-Restrict-Search values (if any) from the | |
1048 * manifest are overwritten by any specified on the command line. | |
1049 */ | |
1050 if (version != NULL) | |
1051 info.jre_version = version; | |
1052 if (restrict_search != -1) | |
1053 info.jre_restrict_search = restrict_search; | |
1054 | |
1055 /* | |
1056 * "Valid" returns (other than unrecoverable errors) follow. Set | |
1057 * main_class as a side-effect of this routine. | |
1058 */ | |
1059 if (info.main_class != NULL) | |
1060 *main_class = JLI_StringDup(info.main_class); | |
1061 | |
1062 /* | |
1063 * If no version selection information is found either on the command | |
1064 * line or in the manifest, simply return. | |
1065 */ | |
1066 if (info.jre_version == NULL) { | |
1067 JLI_FreeManifest(); | |
1068 JLI_MemFree(new_argv); | |
1069 return; | |
1070 } | |
1071 | |
1072 /* | |
1073 * Check for correct syntax of the version specification (JSR 56). | |
1074 */ | |
1075 if (!JLI_ValidVersionString(info.jre_version)) { | |
1076 ReportErrorMessage2("Syntax error in version specification \"%s\"", | |
1077 info.jre_version, JNI_TRUE); | |
1078 exit(1); | |
1079 } | |
1080 | |
1081 /* | |
1082 * Find the appropriate JVM on the system. Just to be as forgiving as | |
1083 * possible, if the standard algorithms don't locate an appropriate | |
1084 * jre, check to see if the one running will satisfy the requirements. | |
1085 * This can happen on systems which haven't been set-up for multiple | |
1086 * JRE support. | |
1087 */ | |
1088 jre = LocateJRE(&info); | |
1089 if (_launcher_debug) | |
1090 printf("JRE-Version = %s, JRE-Restrict-Search = %s Selected = %s\n", | |
1091 (info.jre_version?info.jre_version:"null"), | |
1092 (info.jre_restrict_search?"true":"false"), (jre?jre:"null")); | |
1093 if (jre == NULL) { | |
1094 if (JLI_AcceptableRelease(FULL_VERSION, info.jre_version)) { | |
1095 JLI_FreeManifest(); | |
1096 JLI_MemFree(new_argv); | |
1097 return; | |
1098 } else { | |
1099 ReportErrorMessage2( | |
1100 "Unable to locate JRE meeting specification \"%s\"", | |
1101 info.jre_version, JNI_TRUE); | |
1102 exit(1); | |
1103 } | |
1104 } | |
1105 | |
1106 /* | |
1107 * If I'm not the chosen one, exec the chosen one. Returning from | |
1108 * ExecJRE indicates that I am indeed the chosen one. | |
1109 * | |
1110 * The private environment variable _JAVA_VERSION_SET is used to | |
1111 * prevent the chosen one from re-reading the manifest file and | |
1112 * using the values found within to override the (potential) command | |
1113 * line flags stripped from argv (because the target may not | |
1114 * understand them). Passing the MainClass value is an optimization | |
1115 * to avoid locating, expanding and parsing the manifest extra | |
1116 * times. | |
1117 */ | |
1118 if (info.main_class != NULL) { | |
1119 if (strlen(info.main_class) <= MAXNAMELEN) { | |
1120 (void)strcat(env_entry, info.main_class); | |
1121 } else { | |
1122 ReportErrorMessage("Error: main-class: attribute exceeds system limits\n", JNI_TRUE); | |
1123 exit(1); | |
1124 } | |
1125 } | |
1126 (void)putenv(env_entry); | |
1127 ExecJRE(jre, new_argv); | |
1128 JLI_FreeManifest(); | |
1129 JLI_MemFree(new_argv); | |
1130 return; | |
1131 } | |
1132 #endif /* ifndef GAMMA */ | |
1133 | |
1134 /* | |
1135 * Parses command line arguments. Returns JNI_FALSE if launcher | |
1136 * should exit without starting vm (e.g. certain version and usage | |
1137 * options); returns JNI_TRUE if vm needs to be started to process | |
1138 * given options. *pret (the launcher process return value) is set to | |
1139 * 0 for a normal exit. | |
1140 */ | |
1141 static jboolean | |
1142 ParseArguments(int *pargc, char ***pargv, char **pjarfile, | |
1143 char **pclassname, int *pret, const char *jvmpath) | |
1144 { | |
1145 int argc = *pargc; | |
1146 char **argv = *pargv; | |
1147 jboolean jarflag = JNI_FALSE; | |
1148 char *arg; | |
1149 | |
1150 *pret = 1; | |
1151 while ((arg = *argv) != 0 && *arg == '-') { | |
1152 argv++; --argc; | |
1153 if (strcmp(arg, "-classpath") == 0 || strcmp(arg, "-cp") == 0) { | |
1154 if (argc < 1) { | |
1155 ReportErrorMessage2("%s requires class path specification", | |
1156 arg, JNI_TRUE); | |
1157 PrintUsage(); | |
1158 return JNI_FALSE; | |
1159 } | |
1160 SetClassPath(*argv); | |
1161 argv++; --argc; | |
1162 } else if (strcmp(arg, "-jar") == 0) { | |
1163 jarflag = JNI_TRUE; | |
1164 } else if (strcmp(arg, "-help") == 0 || | |
1165 strcmp(arg, "-h") == 0 || | |
1166 strcmp(arg, "-?") == 0) { | |
1167 PrintUsage(); | |
1168 *pret = 0; | |
1169 return JNI_FALSE; | |
1170 } else if (strcmp(arg, "-version") == 0) { | |
1171 printVersion = JNI_TRUE; | |
1172 return JNI_TRUE; | |
1173 } else if (strcmp(arg, "-showversion") == 0) { | |
1174 showVersion = JNI_TRUE; | |
1175 } else if (strcmp(arg, "-X") == 0) { | |
1176 *pret = PrintXUsage(jvmpath); | |
1177 return JNI_FALSE; | |
1178 /* | |
1179 * The following case provide backward compatibility with old-style | |
1180 * command line options. | |
1181 */ | |
1182 } else if (strcmp(arg, "-fullversion") == 0) { | |
1183 fprintf(stderr, "%s full version \"%s\"\n", progname, | |
1184 FULL_VERSION); | |
1185 *pret = 0; | |
1186 return JNI_FALSE; | |
1187 } else if (strcmp(arg, "-verbosegc") == 0) { | |
1188 AddOption("-verbose:gc", NULL); | |
1189 } else if (strcmp(arg, "-t") == 0) { | |
1190 AddOption("-Xt", NULL); | |
1191 } else if (strcmp(arg, "-tm") == 0) { | |
1192 AddOption("-Xtm", NULL); | |
1193 } else if (strcmp(arg, "-debug") == 0) { | |
1194 AddOption("-Xdebug", NULL); | |
1195 } else if (strcmp(arg, "-noclassgc") == 0) { | |
1196 AddOption("-Xnoclassgc", NULL); | |
1197 } else if (strcmp(arg, "-Xfuture") == 0) { | |
1198 AddOption("-Xverify:all", NULL); | |
1199 } else if (strcmp(arg, "-verify") == 0) { | |
1200 AddOption("-Xverify:all", NULL); | |
1201 } else if (strcmp(arg, "-verifyremote") == 0) { | |
1202 AddOption("-Xverify:remote", NULL); | |
1203 } else if (strcmp(arg, "-noverify") == 0) { | |
1204 AddOption("-Xverify:none", NULL); | |
1205 } else if (strcmp(arg, "-XXsuppressExitMessage") == 0) { | |
1206 noExitErrorMessage = 1; | |
1207 } else if (strncmp(arg, "-prof", 5) == 0) { | |
1208 char *p = arg + 5; | |
1209 char *tmp = JLI_MemAlloc(strlen(arg) + 50); | |
1210 if (*p) { | |
1211 sprintf(tmp, "-Xrunhprof:cpu=old,file=%s", p + 1); | |
1212 } else { | |
1213 sprintf(tmp, "-Xrunhprof:cpu=old,file=java.prof"); | |
1214 } | |
1215 AddOption(tmp, NULL); | |
1216 } else if (strncmp(arg, "-ss", 3) == 0 || | |
1217 strncmp(arg, "-oss", 4) == 0 || | |
1218 strncmp(arg, "-ms", 3) == 0 || | |
1219 strncmp(arg, "-mx", 3) == 0) { | |
1220 char *tmp = JLI_MemAlloc(strlen(arg) + 6); | |
1221 sprintf(tmp, "-X%s", arg + 1); /* skip '-' */ | |
1222 AddOption(tmp, NULL); | |
1223 } else if (strcmp(arg, "-checksource") == 0 || | |
1224 strcmp(arg, "-cs") == 0 || | |
1225 strcmp(arg, "-noasyncgc") == 0) { | |
1226 /* No longer supported */ | |
1227 fprintf(stderr, | |
1228 "Warning: %s option is no longer supported.\n", | |
1229 arg); | |
1230 } else if (strncmp(arg, "-version:", 9) == 0 || | |
1231 strcmp(arg, "-no-jre-restrict-search") == 0 || | |
1232 strcmp(arg, "-jre-restrict-search") == 0 || | |
1233 strncmp(arg, "-splash:", 8) == 0) { | |
1234 ; /* Ignore machine independent options already handled */ | |
1235 } else if (RemovableMachineDependentOption(arg) ) { | |
1236 ; /* Do not pass option to vm. */ | |
1237 } | |
1238 else { | |
1239 AddOption(arg, NULL); | |
1240 } | |
1241 } | |
1242 | |
1243 if (--argc >= 0) { | |
1244 if (jarflag) { | |
1245 *pjarfile = *argv++; | |
1246 *pclassname = 0; | |
1247 } else { | |
1248 *pjarfile = 0; | |
1249 *pclassname = *argv++; | |
1250 } | |
1251 *pargc = argc; | |
1252 *pargv = argv; | |
1253 } | |
1254 | |
1255 return JNI_TRUE; | |
1256 } | |
1257 | |
1258 /* | |
1259 * Initializes the Java Virtual Machine. Also frees options array when | |
1260 * finished. | |
1261 */ | |
1262 static jboolean | |
1263 InitializeJVM(JavaVM **pvm, JNIEnv **penv, InvocationFunctions *ifn) | |
1264 { | |
1265 JavaVMInitArgs args; | |
1266 jint r; | |
1267 | |
1268 memset(&args, 0, sizeof(args)); | |
1269 args.version = JNI_VERSION_1_2; | |
1270 args.nOptions = numOptions; | |
1271 args.options = options; | |
1272 args.ignoreUnrecognized = JNI_FALSE; | |
1273 | |
1274 if (_launcher_debug) { | |
1275 int i = 0; | |
1276 printf("JavaVM args:\n "); | |
1277 printf("version 0x%08lx, ", (long)args.version); | |
1278 printf("ignoreUnrecognized is %s, ", | |
1279 args.ignoreUnrecognized ? "JNI_TRUE" : "JNI_FALSE"); | |
1280 printf("nOptions is %ld\n", (long)args.nOptions); | |
1281 for (i = 0; i < numOptions; i++) | |
1282 printf(" option[%2d] = '%s'\n", | |
1283 i, args.options[i].optionString); | |
1284 } | |
1285 | |
1286 r = ifn->CreateJavaVM(pvm, (void **)penv, &args); | |
1287 JLI_MemFree(options); | |
1288 return r == JNI_OK; | |
1289 } | |
1290 | |
1291 | |
1292 #define NULL_CHECK0(e) if ((e) == 0) return 0 | |
1293 #define NULL_CHECK(e) if ((e) == 0) return | |
1294 | |
1295 static jstring platformEncoding = NULL; | |
1296 static jstring getPlatformEncoding(JNIEnv *env) { | |
1297 if (platformEncoding == NULL) { | |
1298 jstring propname = (*env)->NewStringUTF(env, "sun.jnu.encoding"); | |
1299 if (propname) { | |
1300 jclass cls; | |
1301 jmethodID mid; | |
1302 NULL_CHECK0 (cls = (*env)->FindClass(env, "java/lang/System")); | |
1303 NULL_CHECK0 (mid = (*env)->GetStaticMethodID( | |
1304 env, cls, | |
1305 "getProperty", | |
1306 "(Ljava/lang/String;)Ljava/lang/String;")); | |
1307 platformEncoding = (*env)->CallStaticObjectMethod ( | |
1308 env, cls, mid, propname); | |
1309 } | |
1310 } | |
1311 return platformEncoding; | |
1312 } | |
1313 | |
1314 static jboolean isEncodingSupported(JNIEnv *env, jstring enc) { | |
1315 jclass cls; | |
1316 jmethodID mid; | |
1317 NULL_CHECK0 (cls = (*env)->FindClass(env, "java/nio/charset/Charset")); | |
1318 NULL_CHECK0 (mid = (*env)->GetStaticMethodID( | |
1319 env, cls, | |
1320 "isSupported", | |
1321 "(Ljava/lang/String;)Z")); | |
1322 return (*env)->CallStaticBooleanMethod(env, cls, mid, enc); | |
1323 } | |
1324 | |
1325 /* | |
1326 * Returns a new Java string object for the specified platform string. | |
1327 */ | |
1328 static jstring | |
1329 NewPlatformString(JNIEnv *env, char *s) | |
1330 { | |
1331 int len = (int)strlen(s); | |
1332 jclass cls; | |
1333 jmethodID mid; | |
1334 jbyteArray ary; | |
1335 jstring enc; | |
1336 | |
1337 if (s == NULL) | |
1338 return 0; | |
1339 enc = getPlatformEncoding(env); | |
1340 | |
1341 ary = (*env)->NewByteArray(env, len); | |
1342 if (ary != 0) { | |
1343 jstring str = 0; | |
1344 (*env)->SetByteArrayRegion(env, ary, 0, len, (jbyte *)s); | |
1345 if (!(*env)->ExceptionOccurred(env)) { | |
1346 if (isEncodingSupported(env, enc) == JNI_TRUE) { | |
1347 NULL_CHECK0(cls = (*env)->FindClass(env, "java/lang/String")); | |
1348 NULL_CHECK0(mid = (*env)->GetMethodID(env, cls, "<init>", | |
1349 "([BLjava/lang/String;)V")); | |
1350 str = (*env)->NewObject(env, cls, mid, ary, enc); | |
1351 } else { | |
1352 /*If the encoding specified in sun.jnu.encoding is not | |
1353 endorsed by "Charset.isSupported" we have to fall back | |
1354 to use String(byte[]) explicitly here without specifying | |
1355 the encoding name, in which the StringCoding class will | |
1356 pickup the iso-8859-1 as the fallback converter for us. | |
1357 */ | |
1358 NULL_CHECK0(cls = (*env)->FindClass(env, "java/lang/String")); | |
1359 NULL_CHECK0(mid = (*env)->GetMethodID(env, cls, "<init>", | |
1360 "([B)V")); | |
1361 str = (*env)->NewObject(env, cls, mid, ary); | |
1362 } | |
1363 (*env)->DeleteLocalRef(env, ary); | |
1364 return str; | |
1365 } | |
1366 } | |
1367 return 0; | |
1368 } | |
1369 | |
1370 /* | |
1371 * Returns a new array of Java string objects for the specified | |
1372 * array of platform strings. | |
1373 */ | |
1374 static jobjectArray | |
1375 NewPlatformStringArray(JNIEnv *env, char **strv, int strc) | |
1376 { | |
1377 jarray cls; | |
1378 jarray ary; | |
1379 int i; | |
1380 | |
1381 NULL_CHECK0(cls = (*env)->FindClass(env, "java/lang/String")); | |
1382 NULL_CHECK0(ary = (*env)->NewObjectArray(env, strc, cls, 0)); | |
1383 for (i = 0; i < strc; i++) { | |
1384 jstring str = NewPlatformString(env, *strv++); | |
1385 NULL_CHECK0(str); | |
1386 (*env)->SetObjectArrayElement(env, ary, i, str); | |
1387 (*env)->DeleteLocalRef(env, str); | |
1388 } | |
1389 return ary; | |
1390 } | |
1391 | |
1392 /* | |
1393 * Loads a class, convert the '.' to '/'. | |
1394 */ | |
1395 static jclass | |
1396 LoadClass(JNIEnv *env, char *name) | |
1397 { | |
1398 char *buf = JLI_MemAlloc(strlen(name) + 1); | |
1399 char *s = buf, *t = name, c; | |
1400 jclass cls; | |
1401 jlong start, end; | |
1402 | |
1403 if (_launcher_debug) | |
1404 start = CounterGet(); | |
1405 | |
1406 do { | |
1407 c = *t++; | |
1408 *s++ = (c == '.') ? '/' : c; | |
1409 } while (c != '\0'); | |
1410 cls = (*env)->FindClass(env, buf); | |
1411 JLI_MemFree(buf); | |
1412 | |
1413 if (_launcher_debug) { | |
1414 end = CounterGet(); | |
1415 printf("%ld micro seconds to load main class\n", | |
1416 (long)(jint)Counter2Micros(end-start)); | |
1417 printf("----_JAVA_LAUNCHER_DEBUG----\n"); | |
1418 } | |
1419 | |
1420 return cls; | |
1421 } | |
1422 | |
1423 | |
1424 /* | |
1425 * Returns the main class name for the specified jar file. | |
1426 */ | |
1427 static jstring | |
1428 GetMainClassName(JNIEnv *env, char *jarname) | |
1429 { | |
1430 #define MAIN_CLASS "Main-Class" | |
1431 jclass cls; | |
1432 jmethodID mid; | |
1433 jobject jar, man, attr; | |
1434 jstring str, result = 0; | |
1435 | |
1436 NULL_CHECK0(cls = (*env)->FindClass(env, "java/util/jar/JarFile")); | |
1437 NULL_CHECK0(mid = (*env)->GetMethodID(env, cls, "<init>", | |
1438 "(Ljava/lang/String;)V")); | |
1439 NULL_CHECK0(str = NewPlatformString(env, jarname)); | |
1440 NULL_CHECK0(jar = (*env)->NewObject(env, cls, mid, str)); | |
1441 NULL_CHECK0(mid = (*env)->GetMethodID(env, cls, "getManifest", | |
1442 "()Ljava/util/jar/Manifest;")); | |
1443 man = (*env)->CallObjectMethod(env, jar, mid); | |
1444 if (man != 0) { | |
1445 NULL_CHECK0(mid = (*env)->GetMethodID(env, | |
1446 (*env)->GetObjectClass(env, man), | |
1447 "getMainAttributes", | |
1448 "()Ljava/util/jar/Attributes;")); | |
1449 attr = (*env)->CallObjectMethod(env, man, mid); | |
1450 if (attr != 0) { | |
1451 NULL_CHECK0(mid = (*env)->GetMethodID(env, | |
1452 (*env)->GetObjectClass(env, attr), | |
1453 "getValue", | |
1454 "(Ljava/lang/String;)Ljava/lang/String;")); | |
1455 NULL_CHECK0(str = NewPlatformString(env, MAIN_CLASS)); | |
1456 result = (*env)->CallObjectMethod(env, attr, mid, str); | |
1457 } | |
1458 } | |
1459 return result; | |
1460 } | |
1461 | |
1462 #ifdef JAVA_ARGS | |
1463 static char *java_args[] = JAVA_ARGS; | |
1464 static char *app_classpath[] = APP_CLASSPATH; | |
1465 | |
1466 /* | |
1467 * For tools, convert command line args thus: | |
1468 * javac -cp foo:foo/"*" -J-ms32m ... | |
1469 * java -ms32m -cp JLI_WildcardExpandClasspath(foo:foo/"*") ... | |
1470 */ | |
1471 static void | |
1472 TranslateApplicationArgs(int *pargc, char ***pargv) | |
1473 { | |
1474 const int NUM_ARGS = (sizeof(java_args) / sizeof(char *)); | |
1475 int argc = *pargc; | |
1476 char **argv = *pargv; | |
1477 int nargc = argc + NUM_ARGS; | |
1478 char **nargv = JLI_MemAlloc((nargc + 1) * sizeof(char *)); | |
1479 int i; | |
1480 | |
1481 *pargc = nargc; | |
1482 *pargv = nargv; | |
1483 | |
1484 /* Copy the VM arguments (i.e. prefixed with -J) */ | |
1485 for (i = 0; i < NUM_ARGS; i++) { | |
1486 char *arg = java_args[i]; | |
1487 if (arg[0] == '-' && arg[1] == 'J') { | |
1488 *nargv++ = arg + 2; | |
1489 } | |
1490 } | |
1491 | |
1492 for (i = 0; i < argc; i++) { | |
1493 char *arg = argv[i]; | |
1494 if (arg[0] == '-' && arg[1] == 'J') { | |
1495 if (arg[2] == '\0') { | |
1496 ReportErrorMessage("Error: the -J option should not be " | |
1497 "followed by a space.", JNI_TRUE); | |
1498 exit(1); | |
1499 } | |
1500 *nargv++ = arg + 2; | |
1501 } | |
1502 } | |
1503 | |
1504 /* Copy the rest of the arguments */ | |
1505 for (i = 0; i < NUM_ARGS; i++) { | |
1506 char *arg = java_args[i]; | |
1507 if (arg[0] != '-' || arg[1] != 'J') { | |
1508 *nargv++ = arg; | |
1509 } | |
1510 } | |
1511 for (i = 0; i < argc; i++) { | |
1512 char *arg = argv[i]; | |
1513 if (arg[0] == '-') { | |
1514 if (arg[1] == 'J') | |
1515 continue; | |
1516 #ifdef EXPAND_CLASSPATH_WILDCARDS | |
1517 if (arg[1] == 'c' | |
1518 && (strcmp(arg, "-cp") == 0 || | |
1519 strcmp(arg, "-classpath") == 0) | |
1520 && i < argc - 1) { | |
1521 *nargv++ = arg; | |
1522 *nargv++ = (char *) JLI_WildcardExpandClasspath(argv[i+1]); | |
1523 i++; | |
1524 continue; | |
1525 } | |
1526 #endif | |
1527 } | |
1528 *nargv++ = arg; | |
1529 } | |
1530 *nargv = 0; | |
1531 } | |
1532 | |
1533 /* | |
1534 * For our tools, we try to add 3 VM options: | |
1535 * -Denv.class.path=<envcp> | |
1536 * -Dapplication.home=<apphome> | |
1537 * -Djava.class.path=<appcp> | |
1538 * <envcp> is the user's setting of CLASSPATH -- for instance the user | |
1539 * tells javac where to find binary classes through this environment | |
1540 * variable. Notice that users will be able to compile against our | |
1541 * tools classes (sun.tools.javac.Main) only if they explicitly add | |
1542 * tools.jar to CLASSPATH. | |
1543 * <apphome> is the directory where the application is installed. | |
1544 * <appcp> is the classpath to where our apps' classfiles are. | |
1545 */ | |
1546 static jboolean | |
1547 AddApplicationOptions() | |
1548 { | |
1549 const int NUM_APP_CLASSPATH = (sizeof(app_classpath) / sizeof(char *)); | |
1550 char *envcp, *appcp, *apphome; | |
1551 char home[MAXPATHLEN]; /* application home */ | |
1552 char separator[] = { PATH_SEPARATOR, '\0' }; | |
1553 int size, i; | |
1554 int strlenHome; | |
1555 | |
1556 { | |
1557 const char *s = getenv("CLASSPATH"); | |
1558 if (s) { | |
1559 s = (char *) JLI_WildcardExpandClasspath(s); | |
1560 /* 40 for -Denv.class.path= */ | |
1561 envcp = (char *)JLI_MemAlloc(strlen(s) + 40); | |
1562 sprintf(envcp, "-Denv.class.path=%s", s); | |
1563 AddOption(envcp, NULL); | |
1564 } | |
1565 } | |
1566 | |
1567 if (!GetApplicationHome(home, sizeof(home))) { | |
1568 ReportErrorMessage("Can't determine application home", JNI_TRUE); | |
1569 return JNI_FALSE; | |
1570 } | |
1571 | |
1572 /* 40 for '-Dapplication.home=' */ | |
1573 apphome = (char *)JLI_MemAlloc(strlen(home) + 40); | |
1574 sprintf(apphome, "-Dapplication.home=%s", home); | |
1575 AddOption(apphome, NULL); | |
1576 | |
1577 /* How big is the application's classpath? */ | |
1578 size = 40; /* 40: "-Djava.class.path=" */ | |
1579 strlenHome = (int)strlen(home); | |
1580 for (i = 0; i < NUM_APP_CLASSPATH; i++) { | |
1581 size += strlenHome + (int)strlen(app_classpath[i]) + 1; /* 1: separator */ | |
1582 } | |
1583 appcp = (char *)JLI_MemAlloc(size + 1); | |
1584 strcpy(appcp, "-Djava.class.path="); | |
1585 for (i = 0; i < NUM_APP_CLASSPATH; i++) { | |
1586 strcat(appcp, home); /* c:\program files\myapp */ | |
1587 strcat(appcp, app_classpath[i]); /* \lib\myapp.jar */ | |
1588 strcat(appcp, separator); /* ; */ | |
1589 } | |
1590 appcp[strlen(appcp)-1] = '\0'; /* remove trailing path separator */ | |
1591 AddOption(appcp, NULL); | |
1592 return JNI_TRUE; | |
1593 } | |
1594 #endif /* JAVA_ARGS */ | |
1595 | |
1596 /* | |
1597 * inject the -Dsun.java.command pseudo property into the args structure | |
1598 * this pseudo property is used in the HotSpot VM to expose the | |
1599 * Java class name and arguments to the main method to the VM. The | |
1600 * HotSpot VM uses this pseudo property to store the Java class name | |
1601 * (or jar file name) and the arguments to the class's main method | |
1602 * to the instrumentation memory region. The sun.java.command pseudo | |
1603 * property is not exported by HotSpot to the Java layer. | |
1604 */ | |
1605 void | |
1606 SetJavaCommandLineProp(char *classname, char *jarfile, | |
1607 int argc, char **argv) | |
1608 { | |
1609 | |
1610 int i = 0; | |
1611 size_t len = 0; | |
1612 char* javaCommand = NULL; | |
1613 char* dashDstr = "-Dsun.java.command="; | |
1614 | |
1615 if (classname == NULL && jarfile == NULL) { | |
1616 /* unexpected, one of these should be set. just return without | |
1617 * setting the property | |
1618 */ | |
1619 return; | |
1620 } | |
1621 | |
1622 /* if the class name is not set, then use the jarfile name */ | |
1623 if (classname == NULL) { | |
1624 classname = jarfile; | |
1625 } | |
1626 | |
1627 /* determine the amount of memory to allocate assuming | |
1628 * the individual components will be space separated | |
1629 */ | |
1630 len = strlen(classname); | |
1631 for (i = 0; i < argc; i++) { | |
1632 len += strlen(argv[i]) + 1; | |
1633 } | |
1634 | |
1635 /* allocate the memory */ | |
1636 javaCommand = (char*) JLI_MemAlloc(len + strlen(dashDstr) + 1); | |
1637 | |
1638 /* build the -D string */ | |
1639 *javaCommand = '\0'; | |
1640 strcat(javaCommand, dashDstr); | |
1641 strcat(javaCommand, classname); | |
1642 | |
1643 for (i = 0; i < argc; i++) { | |
1644 /* the components of the string are space separated. In | |
1645 * the case of embedded white space, the relationship of | |
1646 * the white space separated components to their true | |
1647 * positional arguments will be ambiguous. This issue may | |
1648 * be addressed in a future release. | |
1649 */ | |
1650 strcat(javaCommand, " "); | |
1651 strcat(javaCommand, argv[i]); | |
1652 } | |
1653 | |
1654 AddOption(javaCommand, NULL); | |
1655 } | |
1656 | |
1657 /* | |
1658 * JVM would like to know if it's created by a standard Sun launcher, or by | |
1659 * user native application, the following property indicates the former. | |
1660 */ | |
1661 void SetJavaLauncherProp() { | |
1662 AddOption("-Dsun.java.launcher=" LAUNCHER_TYPE, NULL); | |
1663 } | |
1664 | |
1665 /* | |
1666 * Prints the version information from the java.version and other properties. | |
1667 */ | |
1668 static void | |
1669 PrintJavaVersion(JNIEnv *env) | |
1670 { | |
1671 jclass ver; | |
1672 jmethodID print; | |
1673 | |
1674 NULL_CHECK(ver = (*env)->FindClass(env, "sun/misc/Version")); | |
1675 NULL_CHECK(print = (*env)->GetStaticMethodID(env, ver, "print", "()V")); | |
1676 | |
1677 (*env)->CallStaticVoidMethod(env, ver, print); | |
1678 } | |
1679 | |
1680 /* | |
1681 * Prints default usage message. | |
1682 */ | |
1683 static void | |
1684 PrintUsage(void) | |
1685 { | |
1686 #ifndef GAMMA | |
1687 int i; | |
1688 #endif | |
1689 | |
1690 fprintf(stdout, | |
1691 "Usage: %s [-options] class [args...]\n" | |
1692 " (to execute a class)\n" | |
1693 " or %s [-options] -jar jarfile [args...]\n" | |
1694 " (to execute a jar file)\n" | |
1695 "\n" | |
1696 "where options include:\n", | |
1697 progname, | |
1698 progname); | |
1699 | |
1700 #ifndef GAMMA | |
1701 PrintMachineDependentOptions(); | |
1702 | |
1703 if ((knownVMs[0].flag == VM_KNOWN) || | |
1704 (knownVMs[0].flag == VM_IF_SERVER_CLASS)) { | |
1705 fprintf(stdout, " %s\t to select the \"%s\" VM\n", | |
1706 knownVMs[0].name, knownVMs[0].name+1); | |
1707 } | |
1708 for (i=1; i<knownVMsCount; i++) { | |
1709 if (knownVMs[i].flag == VM_KNOWN) | |
1710 fprintf(stdout, " %s\t to select the \"%s\" VM\n", | |
1711 knownVMs[i].name, knownVMs[i].name+1); | |
1712 } | |
1713 for (i=1; i<knownVMsCount; i++) { | |
1714 if (knownVMs[i].flag == VM_ALIASED_TO) | |
1715 fprintf(stdout, " %s\t is a synonym for " | |
1716 "the \"%s\" VM [deprecated]\n", | |
1717 knownVMs[i].name, knownVMs[i].alias+1); | |
1718 } | |
1719 /* The first known VM is the default */ | |
1720 { | |
1721 const char* defaultVM = knownVMs[0].name+1; | |
1722 const char* punctuation = "."; | |
1723 const char* reason = ""; | |
1724 if ((knownVMs[0].flag == VM_IF_SERVER_CLASS) && | |
1725 (ServerClassMachine() == JNI_TRUE)) { | |
1726 defaultVM = knownVMs[0].server_class+1; | |
1727 punctuation = ", "; | |
1728 reason = "because you are running on a server-class machine.\n"; | |
1729 } | |
1730 fprintf(stdout, " The default VM is %s%s\n", | |
1731 defaultVM, punctuation); | |
1732 fprintf(stdout, " %s\n", | |
1733 reason); | |
1734 } | |
1735 #endif /* ifndef GAMMA */ | |
1736 | |
1737 fprintf(stdout, | |
1738 " -cp <class search path of directories and zip/jar files>\n" | |
1739 " -classpath <class search path of directories and zip/jar files>\n" | |
1740 " A %c separated list of directories, JAR archives,\n" | |
1741 " and ZIP archives to search for class files.\n" | |
1742 " -D<name>=<value>\n" | |
1743 " set a system property\n" | |
1744 " -verbose[:class|gc|jni]\n" | |
1745 " enable verbose output\n" | |
1746 " -version print product version and exit\n" | |
1747 " -version:<value>\n" | |
1748 " require the specified version to run\n" | |
1749 " -showversion print product version and continue\n" | |
1750 " -jre-restrict-search | -jre-no-restrict-search\n" | |
1751 " include/exclude user private JREs in the version search\n" | |
1752 " -? -help print this help message\n" | |
1753 " -X print help on non-standard options\n" | |
1754 " -ea[:<packagename>...|:<classname>]\n" | |
1755 " -enableassertions[:<packagename>...|:<classname>]\n" | |
1756 " enable assertions\n" | |
1757 " -da[:<packagename>...|:<classname>]\n" | |
1758 " -disableassertions[:<packagename>...|:<classname>]\n" | |
1759 " disable assertions\n" | |
1760 " -esa | -enablesystemassertions\n" | |
1761 " enable system assertions\n" | |
1762 " -dsa | -disablesystemassertions\n" | |
1763 " disable system assertions\n" | |
1764 " -agentlib:<libname>[=<options>]\n" | |
1765 " load native agent library <libname>, e.g. -agentlib:hprof\n" | |
1766 " see also, -agentlib:jdwp=help and -agentlib:hprof=help\n" | |
1767 " -agentpath:<pathname>[=<options>]\n" | |
1768 " load native agent library by full pathname\n" | |
1769 " -javaagent:<jarpath>[=<options>]\n" | |
1770 " load Java programming language agent, see java.lang.instrument\n" | |
1771 " -splash:<imagepath>\n" | |
1772 " show splash screen with specified image\n" | |
1773 | |
1774 ,PATH_SEPARATOR); | |
1775 } | |
1776 | |
1777 /* | |
1778 * Print usage message for -X options. | |
1779 */ | |
1780 static jint | |
1781 PrintXUsage(const char *jvmpath) | |
1782 { | |
1783 /* | |
1784 A 32 bit cushion to prevent buffer overrun, noting that | |
1785 fopen(3C) may fail if the buffer exceeds MAXPATHLEN. | |
1786 */ | |
1787 char path[MAXPATHLEN+32]; | |
1788 char buf[128]; | |
1789 size_t n; | |
1790 FILE *fp; | |
1791 static const char Xusage_txt[] = "/Xusage.txt"; | |
1792 | |
1793 strcpy(path, jvmpath); | |
1794 /* Note the FILE_SEPARATOR is platform dependent */ | |
1795 strcpy(strrchr(path, FILE_SEPARATOR), Xusage_txt); | |
1796 fp = fopen(path, "r"); | |
1797 if (fp == 0) { | |
1798 fprintf(stderr, "Can't open %s\n", path); | |
1799 return 1; | |
1800 } | |
1801 while ((n = fread(buf, 1, sizeof(buf), fp)) != 0) { | |
1802 fwrite(buf, 1, n, stdout); | |
1803 } | |
1804 fclose(fp); | |
1805 return 0; | |
1806 } | |
1807 | |
1808 #ifndef GAMMA | |
1809 /* | |
1810 * Read the jvm.cfg file and fill the knownJVMs[] array. | |
1811 * | |
1812 * The functionality of the jvm.cfg file is subject to change without | |
1813 * notice and the mechanism will be removed in the future. | |
1814 * | |
1815 * The lexical structure of the jvm.cfg file is as follows: | |
1816 * | |
1817 * jvmcfg := { vmLine } | |
1818 * vmLine := knownLine | |
1819 * | aliasLine | |
1820 * | warnLine | |
1821 * | ignoreLine | |
1822 * | errorLine | |
1823 * | predicateLine | |
1824 * | commentLine | |
1825 * knownLine := flag "KNOWN" EOL | |
1826 * warnLine := flag "WARN" EOL | |
1827 * ignoreLine := flag "IGNORE" EOL | |
1828 * errorLine := flag "ERROR" EOL | |
1829 * aliasLine := flag "ALIASED_TO" flag EOL | |
1830 * predicateLine := flag "IF_SERVER_CLASS" flag EOL | |
1831 * commentLine := "#" text EOL | |
1832 * flag := "-" identifier | |
1833 * | |
1834 * The semantics are that when someone specifies a flag on the command line: | |
1835 * - if the flag appears on a knownLine, then the identifier is used as | |
1836 * the name of the directory holding the JVM library (the name of the JVM). | |
1837 * - if the flag appears as the first flag on an aliasLine, the identifier | |
1838 * of the second flag is used as the name of the JVM. | |
1839 * - if the flag appears on a warnLine, the identifier is used as the | |
1840 * name of the JVM, but a warning is generated. | |
1841 * - if the flag appears on an ignoreLine, the identifier is recognized as the | |
1842 * name of a JVM, but the identifier is ignored and the default vm used | |
1843 * - if the flag appears on an errorLine, an error is generated. | |
1844 * - if the flag appears as the first flag on a predicateLine, and | |
1845 * the machine on which you are running passes the predicate indicated, | |
1846 * then the identifier of the second flag is used as the name of the JVM, | |
1847 * otherwise the identifier of the first flag is used as the name of the JVM. | |
1848 * If no flag is given on the command line, the first vmLine of the jvm.cfg | |
1849 * file determines the name of the JVM. | |
1850 * PredicateLines are only interpreted on first vmLine of a jvm.cfg file, | |
1851 * since they only make sense if someone hasn't specified the name of the | |
1852 * JVM on the command line. | |
1853 * | |
1854 * The intent of the jvm.cfg file is to allow several JVM libraries to | |
1855 * be installed in different subdirectories of a single JRE installation, | |
1856 * for space-savings and convenience in testing. | |
1857 * The intent is explicitly not to provide a full aliasing or predicate | |
1858 * mechanism. | |
1859 */ | |
1860 jint | |
1861 ReadKnownVMs(const char *jrepath, char * arch, jboolean speculative) | |
1862 { | |
1863 FILE *jvmCfg; | |
1864 char jvmCfgName[MAXPATHLEN+20]; | |
1865 char line[MAXPATHLEN+20]; | |
1866 int cnt = 0; | |
1867 int lineno = 0; | |
1868 jlong start, end; | |
1869 int vmType; | |
1870 char *tmpPtr; | |
1871 char *altVMName = NULL; | |
1872 char *serverClassVMName = NULL; | |
1873 static char *whiteSpace = " \t"; | |
1874 if (_launcher_debug) { | |
1875 start = CounterGet(); | |
1876 } | |
1877 | |
1878 strcpy(jvmCfgName, jrepath); | |
1879 strcat(jvmCfgName, FILESEP "lib" FILESEP); | |
1880 strcat(jvmCfgName, arch); | |
1881 strcat(jvmCfgName, FILESEP "jvm.cfg"); | |
1882 | |
1883 jvmCfg = fopen(jvmCfgName, "r"); | |
1884 if (jvmCfg == NULL) { | |
1885 if (!speculative) { | |
1886 ReportErrorMessage2("Error: could not open `%s'", jvmCfgName, | |
1887 JNI_TRUE); | |
1888 exit(1); | |
1889 } else { | |
1890 return -1; | |
1891 } | |
1892 } | |
1893 while (fgets(line, sizeof(line), jvmCfg) != NULL) { | |
1894 vmType = VM_UNKNOWN; | |
1895 lineno++; | |
1896 if (line[0] == '#') | |
1897 continue; | |
1898 if (line[0] != '-') { | |
1899 fprintf(stderr, "Warning: no leading - on line %d of `%s'\n", | |
1900 lineno, jvmCfgName); | |
1901 } | |
1902 if (cnt >= knownVMsLimit) { | |
1903 GrowKnownVMs(cnt); | |
1904 } | |
1905 line[strlen(line)-1] = '\0'; /* remove trailing newline */ | |
1906 tmpPtr = line + strcspn(line, whiteSpace); | |
1907 if (*tmpPtr == 0) { | |
1908 fprintf(stderr, "Warning: missing VM type on line %d of `%s'\n", | |
1909 lineno, jvmCfgName); | |
1910 } else { | |
1911 /* Null-terminate this string for JLI_StringDup below */ | |
1912 *tmpPtr++ = 0; | |
1913 tmpPtr += strspn(tmpPtr, whiteSpace); | |
1914 if (*tmpPtr == 0) { | |
1915 fprintf(stderr, "Warning: missing VM type on line %d of `%s'\n", | |
1916 lineno, jvmCfgName); | |
1917 } else { | |
1918 if (!strncmp(tmpPtr, "KNOWN", strlen("KNOWN"))) { | |
1919 vmType = VM_KNOWN; | |
1920 } else if (!strncmp(tmpPtr, "ALIASED_TO", strlen("ALIASED_TO"))) { | |
1921 tmpPtr += strcspn(tmpPtr, whiteSpace); | |
1922 if (*tmpPtr != 0) { | |
1923 tmpPtr += strspn(tmpPtr, whiteSpace); | |
1924 } | |
1925 if (*tmpPtr == 0) { | |
1926 fprintf(stderr, "Warning: missing VM alias on line %d of `%s'\n", | |
1927 lineno, jvmCfgName); | |
1928 } else { | |
1929 /* Null terminate altVMName */ | |
1930 altVMName = tmpPtr; | |
1931 tmpPtr += strcspn(tmpPtr, whiteSpace); | |
1932 *tmpPtr = 0; | |
1933 vmType = VM_ALIASED_TO; | |
1934 } | |
1935 } else if (!strncmp(tmpPtr, "WARN", strlen("WARN"))) { | |
1936 vmType = VM_WARN; | |
1937 } else if (!strncmp(tmpPtr, "IGNORE", strlen("IGNORE"))) { | |
1938 vmType = VM_IGNORE; | |
1939 } else if (!strncmp(tmpPtr, "ERROR", strlen("ERROR"))) { | |
1940 vmType = VM_ERROR; | |
1941 } else if (!strncmp(tmpPtr, | |
1942 "IF_SERVER_CLASS", | |
1943 strlen("IF_SERVER_CLASS"))) { | |
1944 tmpPtr += strcspn(tmpPtr, whiteSpace); | |
1945 if (*tmpPtr != 0) { | |
1946 tmpPtr += strspn(tmpPtr, whiteSpace); | |
1947 } | |
1948 if (*tmpPtr == 0) { | |
1949 fprintf(stderr, "Warning: missing server class VM on line %d of `%s'\n", | |
1950 lineno, jvmCfgName); | |
1951 } else { | |
1952 /* Null terminate server class VM name */ | |
1953 serverClassVMName = tmpPtr; | |
1954 tmpPtr += strcspn(tmpPtr, whiteSpace); | |
1955 *tmpPtr = 0; | |
1956 vmType = VM_IF_SERVER_CLASS; | |
1957 } | |
1958 } else { | |
1959 fprintf(stderr, "Warning: unknown VM type on line %d of `%s'\n", | |
1960 lineno, &jvmCfgName[0]); | |
1961 vmType = VM_KNOWN; | |
1962 } | |
1963 } | |
1964 } | |
1965 | |
1966 if (_launcher_debug) | |
1967 printf("jvm.cfg[%d] = ->%s<-\n", cnt, line); | |
1968 if (vmType != VM_UNKNOWN) { | |
1969 knownVMs[cnt].name = JLI_StringDup(line); | |
1970 knownVMs[cnt].flag = vmType; | |
1971 switch (vmType) { | |
1972 default: | |
1973 break; | |
1974 case VM_ALIASED_TO: | |
1975 knownVMs[cnt].alias = JLI_StringDup(altVMName); | |
1976 if (_launcher_debug) { | |
1977 printf(" name: %s vmType: %s alias: %s\n", | |
1978 knownVMs[cnt].name, "VM_ALIASED_TO", knownVMs[cnt].alias); | |
1979 } | |
1980 break; | |
1981 case VM_IF_SERVER_CLASS: | |
1982 knownVMs[cnt].server_class = JLI_StringDup(serverClassVMName); | |
1983 if (_launcher_debug) { | |
1984 printf(" name: %s vmType: %s server_class: %s\n", | |
1985 knownVMs[cnt].name, "VM_IF_SERVER_CLASS", knownVMs[cnt].server_class); | |
1986 } | |
1987 break; | |
1988 } | |
1989 cnt++; | |
1990 } | |
1991 } | |
1992 fclose(jvmCfg); | |
1993 knownVMsCount = cnt; | |
1994 | |
1995 if (_launcher_debug) { | |
1996 end = CounterGet(); | |
1997 printf("%ld micro seconds to parse jvm.cfg\n", | |
1998 (long)(jint)Counter2Micros(end-start)); | |
1999 } | |
2000 | |
2001 return cnt; | |
2002 } | |
2003 | |
2004 | |
2005 static void | |
2006 GrowKnownVMs(int minimum) | |
2007 { | |
2008 struct vmdesc* newKnownVMs; | |
2009 int newMax; | |
2010 | |
2011 newMax = (knownVMsLimit == 0 ? INIT_MAX_KNOWN_VMS : (2 * knownVMsLimit)); | |
2012 if (newMax <= minimum) { | |
2013 newMax = minimum; | |
2014 } | |
2015 newKnownVMs = (struct vmdesc*) JLI_MemAlloc(newMax * sizeof(struct vmdesc)); | |
2016 if (knownVMs != NULL) { | |
2017 memcpy(newKnownVMs, knownVMs, knownVMsLimit * sizeof(struct vmdesc)); | |
2018 } | |
2019 JLI_MemFree(knownVMs); | |
2020 knownVMs = newKnownVMs; | |
2021 knownVMsLimit = newMax; | |
2022 } | |
2023 | |
2024 | |
2025 /* Returns index of VM or -1 if not found */ | |
2026 static int | |
2027 KnownVMIndex(const char* name) | |
2028 { | |
2029 int i; | |
2030 if (strncmp(name, "-J", 2) == 0) name += 2; | |
2031 for (i = 0; i < knownVMsCount; i++) { | |
2032 if (!strcmp(name, knownVMs[i].name)) { | |
2033 return i; | |
2034 } | |
2035 } | |
2036 return -1; | |
2037 } | |
2038 | |
2039 static void | |
2040 FreeKnownVMs() | |
2041 { | |
2042 int i; | |
2043 for (i = 0; i < knownVMsCount; i++) { | |
2044 JLI_MemFree(knownVMs[i].name); | |
2045 knownVMs[i].name = NULL; | |
2046 } | |
2047 JLI_MemFree(knownVMs); | |
2048 } | |
2049 | |
2050 | |
2051 /* | |
2052 * Displays the splash screen according to the jar file name | |
2053 * and image file names stored in environment variables | |
2054 */ | |
2055 static void | |
2056 ShowSplashScreen() | |
2057 { | |
2058 const char *jar_name = getenv(SPLASH_JAR_ENV_ENTRY); | |
2059 const char *file_name = getenv(SPLASH_FILE_ENV_ENTRY); | |
2060 int data_size; | |
2061 void *image_data; | |
2062 if (jar_name) { | |
2063 image_data = JLI_JarUnpackFile(jar_name, file_name, &data_size); | |
2064 if (image_data) { | |
2065 DoSplashInit(); | |
2066 DoSplashLoadMemory(image_data, data_size); | |
2067 JLI_MemFree(image_data); | |
2068 } | |
2069 } else if (file_name) { | |
2070 DoSplashInit(); | |
2071 DoSplashLoadFile(file_name); | |
2072 } else { | |
2073 return; | |
2074 } | |
2075 DoSplashSetFileJarName(file_name, jar_name); | |
2076 } | |
2077 | |
2078 #endif /* ifndef GAMMA */ |