Object *initJavaThread(Thread *thread, char is_daemon, const char *name) {
Object *vmthread, *jlthread, *thread_name = NULL;
/* Create the java.lang.Thread object and the VMThread */
if((vmthread = allocObject(vmthread_class)) == NULL ||
(jlthread = allocObject(thread_class)) == NULL)
return NULL;
//thread->ee->thread = jlthread;
thread->thread = jlthread;
INST_DATA(vmthread)[vmData_offset] = (uintptr_t)thread;
INST_DATA(vmthread)[thread_offset] = (uintptr_t)jlthread;
/* Create the string for the thread name. If null is specified
the initialiser method will generate a name of the form Thread-X */
if(name != NULL && (thread_name = Cstr2String(name)) == NULL)
return NULL;
/* Call the initialiser method -- this is for use by threads
created or attached by the VM "outside" of Java */
DummyFrame dummy;
executeMethod(&dummy, jlthread, init_mb, vmthread, thread_name, NORM_PRIORITY, is_daemon);
/* Add thread to thread ID map hash table. */
addThreadToHash(thread);
return jlthread;
}
int main(int argc, char *argv[]) {
Class *array_class, *main_class;
Object *system_loader, *array;
MethodBlock *mb;
InitArgs args;
int class_arg;
char *cpntr;
int status;
int i;
setDefaultInitArgs(&args);
class_arg = parseCommandLine(argc, argv, &args);
args.main_stack_base = &array_class;
if(!initVM(&args)) {
printf("Could not initialise VM. Aborting.\n");
exit(1);
}
if((system_loader = getSystemClassLoader()) == NULL)
goto error;
mainThreadSetContextClassLoader(system_loader);
for(cpntr = argv[class_arg]; *cpntr; cpntr++)
if(*cpntr == '.')
*cpntr = '/';
main_class = findClassFromClassLoader(argv[class_arg], system_loader);
if(main_class != NULL)
initClass(main_class);
if(exceptionOccurred())
goto error;
mb = lookupMethod(main_class, SYMBOL(main),
SYMBOL(_array_java_lang_String__V));
if(mb == NULL || !(mb->access_flags & ACC_STATIC)) {
signalException(java_lang_NoSuchMethodError, "main");
goto error;
}
/* Create the String array holding the command line args */
i = class_arg + 1;
if((array_class = findArrayClass(SYMBOL(array_java_lang_String))) &&
(array = allocArray(array_class, argc - i, sizeof(Object*)))) {
Object **args = ARRAY_DATA(array, Object*) - i;
for(; i < argc; i++)
if(!(args[i] = Cstr2String(argv[i])))
break;
/* Call the main method */
if(i == argc)
executeStaticMethod(main_class, mb, array);
}
Object *classlibThreadPreInit(Class *thread_class, Class *thrdGrp_class) {
MethodBlock *system_init_mb, *main_init_mb;
FieldBlock *thread_status_fb, *eetop_fb;
Object *system, *main, *main_name;
init_mb_with_name = findMethod(thread_class, SYMBOL(object_init),
SYMBOL(_java_lang_ThreadGroup_java_lang_String__V));
init_mb_no_name = findMethod(thread_class, SYMBOL(object_init),
SYMBOL(_java_lang_ThreadGroup_java_lang_Runnable__V));
thread_status_fb = findField(thread_class, SYMBOL(threadStatus),
SYMBOL(I));
eetop_fb = findField(thread_class, SYMBOL(eetop), SYMBOL(J));
system_init_mb = findMethod(thrdGrp_class, SYMBOL(object_init),
SYMBOL(___V));
main_init_mb = findMethod(thrdGrp_class, SYMBOL(object_init),
SYMBOL(_java_lang_ThreadGroup_java_lang_String__V));
if(init_mb_with_name == NULL || init_mb_no_name == NULL ||
system_init_mb == NULL || main_init_mb == NULL ||
thread_status_fb == NULL || eetop_fb == NULL)
return NULL;
CLASS_CB(thread_class)->flags |= JTHREAD;
thread_status_offset = thread_status_fb->u.offset;
eetop_offset = eetop_fb->u.offset;
if((system = allocObject(thrdGrp_class)) == NULL)
return NULL;
executeMethod(system, system_init_mb);
if(exceptionOccurred())
return NULL;
if((main = allocObject(thrdGrp_class)) == NULL ||
(main_name = Cstr2String("main")) == NULL)
return NULL;
executeMethod(main, main_init_mb, system, main_name);
if(exceptionOccurred())
return NULL;
return main;
}
void signalChainedExceptionClass(Class *exception, char *message, Object *cause) {
Object *exp = allocObject(exception);
Object *str = message == NULL ? NULL : Cstr2String(message);
MethodBlock *init = lookupMethod(exception, SYMBOL(object_init),
SYMBOL(_java_lang_String__V));
if(exp && init) {
executeMethod(exp, init, str);
if(cause && !exceptionOccurred()) {
MethodBlock *mb = lookupMethod(exception, SYMBOL(initCause),
SYMBOL(_java_lang_Throwable__java_lang_Throwable));
if(mb)
executeMethod(exp, mb, cause);
}
setException(exp);
}
}
int main(int argc, char *argv[]) {
Class *array_class, *main_class;
Object *system_loader, *array;
MethodBlock *mb;
InitArgs args;
int class_arg;
char *cpntr;
int status;
int i;
setDefaultInitArgs(&args);
class_arg = parseCommandLine(argc, argv, &args);
args.main_stack_base = &array_class;
initVM(&args);
if((system_loader = getSystemClassLoader()) == NULL) {
printf("Cannot create system class loader\n");
printException();
exitVM(1);
}
mainThreadSetContextClassLoader(system_loader);
for(cpntr = argv[class_arg]; *cpntr; cpntr++)
if(*cpntr == '.')
*cpntr = '/';
if((main_class = findClassFromClassLoader(argv[class_arg], system_loader)) != NULL)
initClass(main_class);
if(exceptionOccurred()) {
printException();
exitVM(1);
}
mb = lookupMethod(main_class, SYMBOL(main), SYMBOL(_array_java_lang_String__V));
if(!mb || !(mb->access_flags & ACC_STATIC)) {
printf("Static method \"main\" not found in %s\n", argv[class_arg]);
exitVM(1);
}
/* Create the String array holding the command line args */
i = class_arg + 1;
if((array_class = findArrayClass(SYMBOL(array_java_lang_String))) &&
(array = allocArray(array_class, argc - i, sizeof(Object*)))) {
Object **args = (Object**)ARRAY_DATA(array) - i;
for(; i < argc; i++)
if(!(args[i] = Cstr2String(argv[i])))
break;
/* Call the main method */
if(i == argc)
executeStaticMethod(main_class, mb, array);
}
/* ExceptionOccurred returns the exception or NULL, which is OK
for normal conditionals, but not here... */
if((status = exceptionOccurred() ? 1 : 0))
printException();
/* Wait for all but daemon threads to die */
mainThreadWaitToExitVM();
exitVM(status);
}
