static int initAnnotation() {
Class *enum_cls, *map_cls, *anno_inv_cls, *obj_ary_cls;
Class *anno_ary_cls, *dbl_anno_ary_cls;
enum_cls = findSystemClass("java/lang/Enum");
map_cls = findSystemClass("java/util/HashMap");
anno_inv_cls = findSystemClass("sun/reflect/annotation/Annotation"
"InvocationHandler");
obj_ary_cls = findArrayClass("[Ljava/lang/Object;");
anno_ary_cls = findArrayClass("[Ljava/lang/annotation/Annotation;");
dbl_anno_ary_cls = findArrayClass("[[Ljava/lang/annotation/Annotation;");
if(!enum_cls || !map_cls || !anno_inv_cls || !obj_ary_cls
|| !anno_ary_cls || !dbl_anno_ary_cls)
return FALSE;
map_init_mb = findMethod(map_cls, SYMBOL(object_init), SYMBOL(___V));
map_put_mb = findMethod(map_cls, SYMBOL(put),
newUtf8("(Ljava/lang/Object;Ljava/lang/Object;)"
"Ljava/lang/Object;"));
anno_create_mb = findMethod(anno_inv_cls, newUtf8("create"),
newUtf8("(Ljava/lang/Class;Ljava/util/Map;)"
"Ljava/lang/annotation/Annotation;"));
enum_valueof_mb = findMethod(enum_cls, newUtf8("valueOf"),
newUtf8("(Ljava/lang/Class;Ljava/lang/String;)"
"Ljava/lang/Enum;"));
if(!map_init_mb || !map_put_mb || !anno_create_mb || !enum_valueof_mb) {
/* FindMethod doesn't throw an exception... */
signalException(java_lang_InternalError,
"Expected field/method doesn't exist");
return FALSE;
}
registerStaticClassRefLocked(&enum_class, enum_cls);
registerStaticClassRefLocked(&map_class, map_cls);
registerStaticClassRefLocked(&anno_inv_class, anno_inv_cls);
registerStaticClassRefLocked(&obj_array_class, obj_ary_cls);
registerStaticClassRefLocked(&anno_array_class, anno_ary_cls);
registerStaticClassRefLocked(&dbl_anno_array_class, dbl_anno_ary_cls);
return anno_inited = TRUE;
}
int classlibThreadPostInit() {
Class *system = findSystemClass(SYMBOL(java_lang_System));
if(system != NULL) {
MethodBlock *init = findMethod(system, SYMBOL(initializeSystemClass),
SYMBOL(___V));
if(init != NULL) {
executeStaticMethod(system, init);
return !exceptionOccurred();
}
}
return FALSE;
}
void signalChainedExceptionName(char *excep_name, char *message, Object *cause) {
if(!inited) {
jam_fprintf(stderr, "Exception occurred while VM initialising.\n");
if(message)
jam_fprintf(stderr, "%s: %s\n", excep_name, message);
else
jam_fprintf(stderr, "%s\n", excep_name);
exit(1);
} else {
Class *exception = findSystemClass(excep_name);
if(!exceptionOccurred())
signalChainedExceptionClass(exception, message, cause);
}
}
void exitVM(int status) {
main_exited = TRUE;
/* Execute System.exit() to run any registered shutdown hooks.
In the unlikely event that System.exit() can't be found, or
it returns, fall through and exit. */
if(!VMInitialising()) {
Class *system = findSystemClass(SYMBOL(java_lang_System));
if(system) {
MethodBlock *exit = findMethod(system, SYMBOL(exit), SYMBOL(_I__V));
if(exit) {
DummyFrame dummy;
executeStaticMethod(&dummy, system, exit, status);
}
}
}
jamvm_exit(status);
}
int classlibThreadPostInit() {
Class *system;
#ifdef JSR292
/* Initialise lock used in Method Handle resolution - this
must be done before any invokedynamic instruction is executed */
initVMLock(resolve_lock);
#endif
/* Initialise System class */
system = findSystemClass(SYMBOL(java_lang_System));
if(system != NULL) {
MethodBlock *init = findMethod(system, SYMBOL(initializeSystemClass),
SYMBOL(___V));
if(init != NULL) {
executeStaticMethod(system, init);
return !exceptionOccurred();
}
}
return FALSE;
}
void initialiseThreadStage2(InitArgs *args) {
Object *java_thread;
Class *thrdGrp_class;
MethodBlock *run, *remove_thread;
FieldBlock *group, *priority, *root, *threadId;
FieldBlock *vmThread = NULL, *thread = NULL;
FieldBlock *vmData, *daemon, *name;
/* Load thread class and register reference for compaction threading */
thread_class = findSystemClass0(SYMBOL(java_lang_Thread));
registerStaticClassRef(&thread_class);
if(thread_class != NULL) {
vmThread = findField(thread_class, SYMBOL(vmThread), SYMBOL(sig_java_lang_VMThread));
daemon = findField(thread_class, SYMBOL(daemon), SYMBOL(Z));
name = findField(thread_class, SYMBOL(name), SYMBOL(sig_java_lang_String));
group = findField(thread_class, SYMBOL(group), SYMBOL(sig_java_lang_ThreadGroup));
priority = findField(thread_class, SYMBOL(priority), SYMBOL(I));
threadId = findField(thread_class, SYMBOL(threadId), SYMBOL(J));
init_mb = findMethod(thread_class, SYMBOL(object_init),
SYMBOL(_java_lang_VMThread_java_lang_String_I_Z__V));
run = findMethod(thread_class, SYMBOL(run), SYMBOL(___V));
vmthread_class = findSystemClass0(SYMBOL(java_lang_VMThread));
CLASS_CB(vmthread_class)->flags |= VMTHREAD;
/* Register class reference for compaction threading */
registerStaticClassRef(&vmthread_class);
if(vmthread_class != NULL) {
thread = findField(vmthread_class, SYMBOL(thread), SYMBOL(sig_java_lang_Thread));
vmData = findField(vmthread_class, SYMBOL(vmData), SYMBOL(I));
}
}
/* findField and findMethod do not throw an exception... */
if((init_mb == NULL) || (vmData == NULL) || (run == NULL) || (daemon == NULL) ||
(name == NULL) || (group == NULL) || (priority == NULL) || (vmThread == NULL) ||
(thread == NULL) || (threadId == NULL))
goto error;
vmthread_offset = vmThread->offset;
thread_offset = thread->offset;
vmData_offset = vmData->offset;
daemon_offset = daemon->offset;
group_offset = group->offset;
priority_offset = priority->offset;
threadId_offset = threadId->offset;
name_offset = name->offset;
run_mtbl_idx = run->method_table_index;
/* Initialise the Java-level thread objects for the main thread */
java_thread = initJavaThread(&main_thread, FALSE, "main");
/* Main thread is now sufficiently setup to be able to run the thread group
initialiser. This is essential to create the root thread group */
thrdGrp_class = findSystemClass(SYMBOL(java_lang_ThreadGroup));
root = findField(thrdGrp_class, SYMBOL(root), SYMBOL(sig_java_lang_ThreadGroup));
addThread_mb = findMethod(thrdGrp_class, SYMBOL(addThread),
SYMBOL(_java_lang_Thread_args__void));
remove_thread = findMethod(thrdGrp_class, SYMBOL(removeThread),
SYMBOL(_java_lang_Thread_args__void));
/* findField and findMethod do not throw an exception... */
if((root == NULL) || (addThread_mb == NULL) || (remove_thread == NULL))
goto error;
rmveThrd_mtbl_idx = remove_thread->method_table_index;
/* Add the main thread to the root thread group */
INST_DATA(java_thread)[group_offset] = root->static_value;
{
DummyFrame dummy;
executeMethod(&dummy, ((Object*)root->static_value), addThread_mb, java_thread);
}
// dyn
INST_DATA(java_thread)[vmthread_offset] = 0;
/* Setup signal handling. This will be inherited by all
threads created within Java */
initialiseSignals();
/* Create the signal handler thread. It is responsible for
catching and handling SIGQUIT (thread dump) and SIGINT
(user-termination of the VM, e.g. via Ctrl-C). Note it
must be a valid Java-level thread as it needs to run the
shutdown hooks in the event of user-termination */
createVMThread("Signal Handler", dumpThreadsLoop);
return;
error:
jam_fprintf(stderr, "Error initialising VM (initialiseMainThread)\nCheck "
"the README for compatible versions of GNU Classpath\n");
printException();
exitVM(1);
}
int classlibInitReflection() {
Class *cons_ref_cls, *mthd_ref_cls, *fld_ref_cls;
FieldBlock *cons_slot_fb, *cons_class_fb, *cons_param_fb;
FieldBlock *mthd_slot_fb, *mthd_class_fb, *mthd_ret_fb, *mthd_param_fb;
FieldBlock *fld_slot_fb, *fld_class_fb;
cons_ref_cls = findSystemClass(SYMBOL(java_lang_reflect_Constructor));
mthd_ref_cls = findSystemClass(SYMBOL(java_lang_reflect_Method));
fld_ref_cls = findSystemClass(SYMBOL(java_lang_reflect_Field));
if(!cons_ref_cls || !mthd_ref_cls || !fld_ref_cls)
return FALSE;
cons_slot_fb = findField(cons_ref_cls, SYMBOL(slot), SYMBOL(I));
cons_class_fb = findField(cons_ref_cls, SYMBOL(clazz),
SYMBOL(sig_java_lang_Class));
cons_param_fb = findField(cons_ref_cls, SYMBOL(parameterTypes),
SYMBOL(array_java_lang_Class));
mthd_slot_fb = findField(mthd_ref_cls, SYMBOL(slot), SYMBOL(I));
mthd_class_fb = findField(mthd_ref_cls, SYMBOL(clazz),
SYMBOL(sig_java_lang_Class));
mthd_ret_fb = findField(mthd_ref_cls, SYMBOL(returnType),
SYMBOL(sig_java_lang_Class));
mthd_param_fb = findField(mthd_ref_cls, SYMBOL(parameterTypes),
SYMBOL(array_java_lang_Class));
fld_slot_fb = findField(fld_ref_cls, SYMBOL(slot), SYMBOL(I));
fld_class_fb = findField(fld_ref_cls, SYMBOL(clazz),
SYMBOL(sig_java_lang_Class));
fld_init_mb = findMethod(fld_ref_cls, SYMBOL(object_init),
SYMBOL(java_lang_reflect_field_init_sig));
cons_init_mb = findMethod(cons_ref_cls, SYMBOL(object_init),
SYMBOL(java_lang_reflect_cons_init_sig));
mthd_init_mb = findMethod(mthd_ref_cls, SYMBOL(object_init),
SYMBOL(java_lang_reflect_mthd_init_sig));
mthd_invoke_mb = findMethod(mthd_ref_cls, SYMBOL(invoke),
SYMBOL(java_lang_reflect_mthd_invoke_sig));
if(!fld_init_mb || !cons_init_mb || !mthd_init_mb ||
!cons_slot_fb || !cons_class_fb || !cons_param_fb ||
!mthd_slot_fb || !mthd_class_fb || !mthd_ret_fb ||
!mthd_param_fb || !fld_slot_fb || !fld_class_fb ||
!mthd_invoke_mb) {
/* Find Field/Method doesn't throw an exception... */
signalException(java_lang_InternalError,
"Expected reflection method/field doesn't exist");
return FALSE;
}
cons_slot_offset = cons_slot_fb->u.offset;
cons_class_offset = cons_class_fb->u.offset;
cons_param_offset = cons_param_fb->u.offset;
mthd_slot_offset = mthd_slot_fb->u.offset;
mthd_class_offset = mthd_class_fb->u.offset;
mthd_ret_offset = mthd_ret_fb->u.offset;
mthd_param_offset = mthd_param_fb->u.offset;
fld_slot_offset = fld_slot_fb->u.offset;
fld_class_offset = fld_class_fb->u.offset;
registerStaticClassRefLocked(&cons_reflect_class, cons_ref_cls);
registerStaticClassRefLocked(&method_reflect_class, mthd_ref_cls);
registerStaticClassRefLocked(&field_reflect_class, fld_ref_cls);
return TRUE;
}
static int initReflection() {
Class *cls_ary_cls, *cons_ary_cls, *cons_ref_cls, *mthd_ary_cls;
Class *mthd_ref_cls, *fld_ary_cls, *fld_ref_cls, *vm_cons_cls;
Class *vm_mthd_cls, *vm_fld_cls;
FieldBlock *vm_cons_slot_fb, *vm_cons_class_fb, *vm_cons_param_fb;
FieldBlock *vm_cons_cons_fb, *vm_mthd_slot_fb, *vm_mthd_class_fb;
FieldBlock *vm_mthd_ret_fb, *vm_mthd_param_fb, *vm_mthd_m_fb;
FieldBlock *vm_fld_slot_fb, *vm_fld_class_fb, *vm_fld_type_fb;
FieldBlock *vm_fld_f_fb, *cons_cons_fb, *mthd_m_fb, *fld_f_fb;
FieldBlock *acc_flag_fb;
cls_ary_cls = findArrayClass(SYMBOL(array_java_lang_Class));
cons_ary_cls = findArrayClass(SYMBOL(array_java_lang_reflect_Constructor));
cons_ref_cls = findSystemClass(SYMBOL(java_lang_reflect_Constructor));
vm_cons_cls = findSystemClass(SYMBOL(java_lang_reflect_VMConstructor));
mthd_ary_cls = findArrayClass(SYMBOL(array_java_lang_reflect_Method));
mthd_ref_cls = findSystemClass(SYMBOL(java_lang_reflect_Method));
vm_mthd_cls = findSystemClass(SYMBOL(java_lang_reflect_VMMethod));
fld_ary_cls = findArrayClass(SYMBOL(array_java_lang_reflect_Field));
fld_ref_cls = findSystemClass(SYMBOL(java_lang_reflect_Field));
vm_fld_cls = findSystemClass(SYMBOL(java_lang_reflect_VMField));
if(!cls_ary_cls || !cons_ary_cls || !cons_ref_cls || !mthd_ary_cls
|| !mthd_ref_cls || !fld_ary_cls || !fld_ref_cls
|| !vm_cons_cls || !vm_mthd_cls || !vm_fld_cls)
return FALSE;
vm_cons_slot_fb = findField(vm_cons_cls, SYMBOL(slot), SYMBOL(I));
vm_cons_class_fb = findField(vm_cons_cls, SYMBOL(clazz),
SYMBOL(sig_java_lang_Class));
vm_cons_param_fb = findField(vm_cons_cls, SYMBOL(parameterTypes),
SYMBOL(array_java_lang_Class));
vm_cons_cons_fb = findField(vm_cons_cls, SYMBOL(cons),
SYMBOL(sig_java_lang_reflect_Constructor));
vm_mthd_slot_fb = findField(vm_mthd_cls, SYMBOL(slot), SYMBOL(I));
vm_mthd_class_fb = findField(vm_mthd_cls, SYMBOL(clazz),
SYMBOL(sig_java_lang_Class));
vm_mthd_ret_fb = findField(vm_mthd_cls, SYMBOL(returnType),
SYMBOL(sig_java_lang_Class));
vm_mthd_param_fb = findField(vm_mthd_cls, SYMBOL(parameterTypes),
SYMBOL(array_java_lang_Class));
vm_mthd_m_fb = findField(vm_mthd_cls, SYMBOL(m),
SYMBOL(sig_java_lang_reflect_Method));
vm_fld_slot_fb = findField(vm_fld_cls, SYMBOL(slot), SYMBOL(I));
vm_fld_class_fb = findField(vm_fld_cls, SYMBOL(clazz),
SYMBOL(sig_java_lang_Class));
vm_fld_type_fb = findField(vm_fld_cls, SYMBOL(type),
SYMBOL(sig_java_lang_Class));
vm_fld_f_fb = findField(vm_fld_cls, SYMBOL(f),
SYMBOL(sig_java_lang_reflect_Field));
cons_cons_fb = findField(cons_ref_cls, SYMBOL(cons),
SYMBOL(sig_java_lang_reflect_VMConstructor));
mthd_m_fb = findField(mthd_ref_cls, SYMBOL(m),
SYMBOL(sig_java_lang_reflect_VMMethod));
fld_f_fb = findField(fld_ref_cls, SYMBOL(f),
SYMBOL(sig_java_lang_reflect_VMField));
acc_flag_fb = lookupField(cons_ref_cls, SYMBOL(flag), SYMBOL(Z));
if(!vm_cons_slot_fb || !vm_cons_class_fb || !vm_cons_param_fb ||
!vm_cons_cons_fb || !vm_mthd_slot_fb || !vm_mthd_class_fb ||
!vm_mthd_ret_fb || !vm_mthd_m_fb || !vm_mthd_param_fb ||
!vm_fld_slot_fb || !vm_fld_class_fb || !vm_fld_type_fb ||
!vm_fld_f_fb || !cons_cons_fb || !mthd_m_fb ||
!fld_f_fb || !acc_flag_fb) {
/* Find Field/Method doesn't throw an exception... */
signalException(java_lang_InternalError,
"Expected reflection field doesn't exist");
return FALSE;
}
vm_cons_slot_offset = vm_cons_slot_fb->u.offset;
vm_cons_class_offset = vm_cons_class_fb->u.offset;
vm_cons_param_offset = vm_cons_param_fb->u.offset;
vm_cons_cons_offset = vm_cons_cons_fb->u.offset;
vm_mthd_slot_offset = vm_mthd_slot_fb->u.offset;
vm_mthd_class_offset = vm_mthd_class_fb->u.offset;
vm_mthd_ret_offset = vm_mthd_ret_fb->u.offset;
vm_mthd_param_offset = vm_mthd_param_fb->u.offset;
vm_mthd_m_offset = vm_mthd_m_fb->u.offset;
vm_fld_slot_offset = vm_fld_slot_fb->u.offset;
vm_fld_class_offset = vm_fld_class_fb->u.offset;
vm_fld_type_offset = vm_fld_type_fb->u.offset;
vm_fld_f_offset = vm_fld_f_fb->u.offset;
cons_cons_offset = cons_cons_fb->u.offset;
mthd_m_offset = mthd_m_fb->u.offset;
fld_f_offset = fld_f_fb->u.offset;
acc_flag_offset = acc_flag_fb->u.offset;
registerStaticClassRefLocked(&class_array_class, cls_ary_cls);
registerStaticClassRefLocked(&cons_array_class, cons_ary_cls);
registerStaticClassRefLocked(&method_array_class, mthd_ary_cls);
registerStaticClassRefLocked(&field_array_class, fld_ary_cls);
registerStaticClassRefLocked(&cons_reflect_class, cons_ref_cls);
registerStaticClassRefLocked(&vmcons_reflect_class, vm_cons_cls);
registerStaticClassRefLocked(&method_reflect_class, mthd_ref_cls);
registerStaticClassRefLocked(&vmmethod_reflect_class, vm_mthd_cls);
registerStaticClassRefLocked(&field_reflect_class, fld_ref_cls);
registerStaticClassRefLocked(&vmfield_reflect_class, vm_fld_cls);
return inited = TRUE;
}