static void wrapClassNotFoundException(Env* env, const char* className) {
Object* exception = rvmExceptionOccurred(env);
if (exception && exception->clazz == java_lang_ClassNotFoundException) {
// If ClassNotFoundException is thrown we have to wrap it in a NoClassDefFoundError
exception = rvmExceptionClear(env);
Method* constructor = rvmGetInstanceMethod(env, java_lang_NoClassDefFoundError, "<init>", "(Ljava/lang/String;)V");
if (!constructor) return;
Object* message = rvmNewStringUTF(env, className, -1);
if (!message) return;
Object* wrappedException = rvmNewObject(env, java_lang_NoClassDefFoundError, constructor, message);
if (!wrappedException) return;
Class* java_lang_StackTraceElement = rvmFindClassUsingLoader(env, "java/lang/StackTraceElement", NULL);
if (!java_lang_StackTraceElement) return;
ObjectArray* stackTrace = rvmNewObjectArray(env, 0, java_lang_StackTraceElement, NULL, NULL);
if (!stackTrace) return;
Method* setStackTrace = rvmGetInstanceMethod(env, java_lang_Throwable, "setStackTrace", "([Ljava/lang/StackTraceElement;)V");
if (!setStackTrace) return;
rvmCallVoidInstanceMethod(env, wrappedException, setStackTrace, stackTrace);
if (rvmExceptionCheck(env)) return;
Method* initCause = rvmGetInstanceMethod(env, java_lang_NoClassDefFoundError, "initCause", "(Ljava/lang/Throwable;)Ljava/lang/Throwable;");
if (!initCause) return;
rvmCallObjectInstanceMethod(env, wrappedException, initCause, exception);
if (!rvmExceptionCheck(env)) rvmThrow(env, wrappedException);
}
}
void* lookupInterfaceMethod(Env* env, ClassInfoHeader* header, Object* thiz, char* name, char* desc) {
initializeClass(env, header);
if (rvmExceptionCheck(env)) return NULL;
Class* ownerInterface = header->clazz;
if (!rvmIsInstanceOf(env, thiz, ownerInterface)) {
char message[256];
snprintf(message, 256, "Class %s does not implement the requested interface %s",
rvmToBinaryClassName(env, thiz->clazz->name), rvmToBinaryClassName(env, ownerInterface->name));
rvmThrowIncompatibleClassChangeError(env, message);
return NULL;
}
Method* method = rvmGetInstanceMethod(env, thiz->clazz, name, desc);
Object* throwable = rvmExceptionClear(env);
if (!method && throwable->clazz != java_lang_NoSuchMethodError) {
rvmThrow(env, throwable);
return NULL;
}
if (!method || METHOD_IS_ABSTRACT(method)) {
rvmThrowAbstractMethodError(env, ""); // TODO: Message
return NULL;
}
if (!METHOD_IS_PUBLIC(method)) {
rvmThrowIllegalAccessError(env, ""); // TODO: Message
return NULL;
}
return method->synchronizedImpl ? method->synchronizedImpl : method->impl;
}
jboolean rvmInitMethods(Env* env) {
if (rvmInitMutex(&nativeLibsLock) != 0) {
return FALSE;
}
if (rvmInitMutex(&threadStackTraceLock) != 0) {
return FALSE;
}
java_lang_StackTraceElement = rvmFindClassUsingLoader(env, "java/lang/StackTraceElement", NULL);
if (!java_lang_StackTraceElement) {
return FALSE;
}
java_lang_StackTraceElement_constructor = rvmGetInstanceMethod(env, java_lang_StackTraceElement, "<init>",
"(Ljava/lang/Class;Ljava/lang/String;Ljava/lang/String;I)V");
if (!java_lang_StackTraceElement_constructor) {
return FALSE;
}
empty_java_lang_StackTraceElement_array = rvmNewObjectArray(env, 0, java_lang_StackTraceElement, NULL, NULL);
if (!empty_java_lang_StackTraceElement_array) {
return FALSE;
}
if (!rvmAddObjectGCRoot(env, (Object*) empty_java_lang_StackTraceElement_array)) {
return FALSE;
}
return TRUE;
}
jboolean rvmInitExceptions(Env* env) {
stackStateField = rvmGetInstanceField(env, java_lang_Throwable, "stackState", "J");
if (!stackStateField) return FALSE;
printStackTraceMethod = rvmGetInstanceMethod(env, java_lang_Thread, "printStackTrace", "(Ljava/lang/Throwable;)V");
if (!printStackTraceMethod) return FALSE;
return TRUE;
}
jboolean rvmInitAttributes(Env* env) {
java_lang_TypeNotPresentException = rvmFindClassUsingLoader(env, "java/lang/TypeNotPresentException", NULL);
if (!java_lang_TypeNotPresentException) return FALSE;
java_lang_annotation_AnnotationFormatError = rvmFindClassUsingLoader(env, "java/lang/annotation/AnnotationFormatError", NULL);
if (!java_lang_annotation_AnnotationFormatError) return FALSE;
java_lang_reflect_Method = rvmFindClassUsingLoader(env, "java/lang/reflect/Method", NULL);
if (!java_lang_reflect_Method) return FALSE;
java_lang_reflect_Method_init = rvmGetInstanceMethod(env, java_lang_reflect_Method, "<init>", "(J)V");
if (!java_lang_reflect_Method_init) return FALSE;
java_lang_annotation_Annotation = rvmFindClassUsingLoader(env, "java/lang/annotation/Annotation", NULL);
if (!java_lang_annotation_Annotation) return FALSE;
array_of_java_lang_annotation_Annotation = rvmFindClassUsingLoader(env, "[Ljava/lang/annotation/Annotation;", NULL);
if (!array_of_java_lang_annotation_Annotation) return FALSE;
Class* array_java_lang_Class = rvmFindClassUsingLoader(env, "[Ljava/lang/Class;", NULL);
if (!array_java_lang_Class) return FALSE;
emptyExceptionTypes = rvmNewObjectArray(env, 0, NULL, array_java_lang_Class, NULL);
if (!emptyExceptionTypes) return FALSE;
if (!rvmAddGlobalRef(env, (Object*) emptyExceptionTypes)) return FALSE;
emptyAnnotations = rvmNewObjectArray(env, 0, NULL, array_of_java_lang_annotation_Annotation, NULL);
if (!emptyAnnotations) return FALSE;
if (!rvmAddGlobalRef(env, (Object*) emptyAnnotations)) return FALSE;
return TRUE;
}
Object* Java_java_lang_Class_getEnclosingMethod(Env* env, Class* thiz) {
Method* method = rvmAttributeGetEnclosingMethod(env, thiz);
if (!method || METHOD_IS_CONSTRUCTOR(method)) return NULL;
Class* jlr_Method = rvmFindClassUsingLoader(env, "java/lang/reflect/Method", NULL);
if (!jlr_Method) return NULL;
Method* constructor = rvmGetInstanceMethod(env, jlr_Method, "<init>", "(J)V");
if (!constructor) return NULL;
jvalue args[1];
args[0].j = PTR_TO_LONG(method);
return rvmNewObjectA(env, jlr_Method, constructor, args);
}
Object* createFieldObject(Env* env, Field* field) {
if (!java_lang_reflect_Field) {
java_lang_reflect_Field = rvmFindClassUsingLoader(env, "java/lang/reflect/Field", NULL);
if (!java_lang_reflect_Field) return NULL;
}
if (!java_lang_reflect_Field_init) {
java_lang_reflect_Field_init = rvmGetInstanceMethod(env, java_lang_reflect_Field, "<init>", "(J)V");
if (!java_lang_reflect_Field_init) return NULL;
}
jvalue initArgs[1];
initArgs[0].j = PTR_TO_LONG(field);
return rvmNewObjectA(env, java_lang_reflect_Field, java_lang_reflect_Field_init, initArgs);
}
Object* createConstructorObject(Env* env, Method* method) {
if (!java_lang_reflect_Constructor) {
java_lang_reflect_Constructor = rvmFindClassUsingLoader(env, "java/lang/reflect/Constructor", NULL);
if (!java_lang_reflect_Constructor) return NULL;
}
if (!java_lang_reflect_Constructor_init) {
java_lang_reflect_Constructor_init = rvmGetInstanceMethod(env, java_lang_reflect_Constructor, "<init>", "(J)V");
if (!java_lang_reflect_Constructor_init) return NULL;
}
jvalue initArgs[1];
initArgs[0].j = PTR_TO_LONG(method);
return rvmNewObjectA(env, java_lang_reflect_Constructor, java_lang_reflect_Constructor_init, initArgs);
}
jboolean rvmThrowNew(Env* env, Class* clazz, const char* message) {
Method* constructor = rvmGetInstanceMethod(env, clazz, "<init>", "(Ljava/lang/String;)V");
if (!constructor) return FALSE;
Object* string = NULL;
// TODO: Check that clazz != NULL?
if (message) {
string = rvmNewStringUTF(env, message, -1);
if (!string) return FALSE;
}
Object* e = rvmNewObject(env, clazz, constructor, string);
if (!e) return FALSE;
rvmThrow(env, e);
return TRUE;
}
Class* rvmFindClassUsingLoader(Env* env, const char* className, ClassLoader* classLoader) {
if (!classLoader || classLoader->parent == NULL) {
// This is the bootstrap classloader. No need to call ClassLoader.loadClass()
return findBootClass(env, className);
}
char* binaryClassName = rvmToBinaryClassName(env, className);
if (!binaryClassName) return NULL;
Object* binaryClassNameString = rvmNewInternedStringUTF(env, binaryClassName, -1);
if (!binaryClassNameString) return NULL;
Method* loadClassMethod = rvmGetInstanceMethod(env, java_lang_ClassLoader, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
if (!loadClassMethod) return NULL;
Object* clazz = rvmCallObjectInstanceMethod(env, (Object*) classLoader, loadClassMethod, binaryClassNameString);
if (rvmExceptionOccurred(env)) return NULL;
return (Class*) clazz;
}
jboolean rvmInitMemory(Env* env) {
vm = env->vm;
java_lang_ref_Reference = rvmFindClassUsingLoader(env, "java/lang/ref/Reference", NULL);
if (!java_lang_ref_Reference) return FALSE;
java_lang_ref_Reference_referent = rvmGetInstanceField(env, java_lang_ref_Reference, "referent", "Ljava/lang/Object;");
if (!java_lang_ref_Reference_referent) return FALSE;
java_lang_ref_Reference_pendingNext = rvmGetInstanceField(env, java_lang_ref_Reference, "pendingNext", "Ljava/lang/ref/Reference;");
if (!java_lang_ref_Reference_pendingNext) return FALSE;
java_lang_ref_Reference_queue = rvmGetInstanceField(env, java_lang_ref_Reference, "queue", "Ljava/lang/ref/ReferenceQueue;");
if (!java_lang_ref_Reference_queue) return FALSE;
java_lang_ref_Reference_queueNext = rvmGetInstanceField(env, java_lang_ref_Reference, "queueNext", "Ljava/lang/ref/Reference;");
if (!java_lang_ref_Reference_queueNext) return FALSE;
java_lang_ref_PhantomReference = rvmFindClassUsingLoader(env, "java/lang/ref/PhantomReference", NULL);
if (!java_lang_ref_PhantomReference) return FALSE;
java_lang_ref_WeakReference = rvmFindClassUsingLoader(env, "java/lang/ref/WeakReference", NULL);
if (!java_lang_ref_WeakReference) return FALSE;
java_lang_ref_SoftReference = rvmFindClassUsingLoader(env, "java/lang/ref/SoftReference", NULL);
if (!java_lang_ref_SoftReference) return FALSE;
java_lang_ref_FinalizerReference = rvmFindClassUsingLoader(env, "java/lang/ref/FinalizerReference", NULL);
if (!java_lang_ref_FinalizerReference) return FALSE;
java_lang_ref_FinalizerReference_add = rvmGetClassMethod(env, java_lang_ref_FinalizerReference, "add", "(Ljava/lang/Object;)V");
if (!java_lang_ref_FinalizerReference_add) return FALSE;
java_lang_ref_FinalizerReference_zombie = rvmGetInstanceField(env, java_lang_ref_FinalizerReference, "zombie", "Ljava/lang/Object;");
if (!java_lang_ref_FinalizerReference_zombie) return FALSE;
java_lang_ref_ReferenceQueue = rvmFindClassUsingLoader(env, "java/lang/ref/ReferenceQueue", NULL);
if (!java_lang_ref_ReferenceQueue) return FALSE;
java_lang_ref_ReferenceQueue_add = rvmGetClassMethod(env, java_lang_ref_ReferenceQueue, "add", "(Ljava/lang/ref/Reference;)V");
if (!java_lang_ref_ReferenceQueue_add) return FALSE;
java_nio_ReadWriteDirectByteBuffer = rvmFindClassUsingLoader(env, "java/nio/ReadWriteDirectByteBuffer", NULL);
if (!java_nio_ReadWriteDirectByteBuffer) return FALSE;
java_nio_ReadWriteDirectByteBuffer_init = rvmGetInstanceMethod(env, java_nio_ReadWriteDirectByteBuffer, "<init>", "(II)V");
if (!java_nio_ReadWriteDirectByteBuffer_init) return FALSE;
Class* java_nio_Buffer = rvmFindClassUsingLoader(env, "java/nio/Buffer", NULL);
if (!java_nio_Buffer) return FALSE;
java_nio_Buffer_effectiveDirectAddress = rvmGetInstanceField(env, java_nio_Buffer, "effectiveDirectAddress", "I");
if (!java_nio_Buffer_effectiveDirectAddress) return FALSE;
java_nio_Buffer_capacity = rvmGetInstanceField(env, java_nio_Buffer, "capacity", "I");
if (!java_nio_Buffer_capacity) return FALSE;
// Make sure that java.lang.ReferenceQueue is initialized now to prevent deadlocks during finalization
// when both holding the referentsLock and the classLock.
rvmInitialize(env, java_lang_ref_ReferenceQueue);
if (rvmExceptionOccurred(env)) return FALSE;
return TRUE;
}
static jmethodID GetMethodID(JNIEnv* env, jclass clazz, const char* name, const char* sig) {
return (jmethodID) rvmGetInstanceMethod((Env*) env, (Class*) clazz, (char*) name, (char*) sig);
}
void rvmInitialize(Env* env, Class* clazz) {
obtainClassLock();
// TODO: Throw java.lang.NoClassDefFoundError if state == CLASS_ERROR?
if (CLASS_IS_STATE_ERROR(clazz)) {
// TODO: Add the class' binary name in the message
rvmThrowNew(env, java_lang_NoClassDefFoundError, "Could not initialize class ??");
releaseClassLock();
return;
}
if (!CLASS_IS_STATE_INITIALIZED(clazz) && !CLASS_IS_STATE_INITIALIZING(clazz)) {
jint oldState = clazz->flags & CLASS_STATE_MASK;
clazz->flags = (clazz->flags & (~CLASS_STATE_MASK)) | CLASS_STATE_INITIALIZING;
if (clazz->superclass) {
rvmInitialize(env, clazz->superclass);
if (rvmExceptionOccurred(env)) {
clazz->flags = (clazz->flags & (~CLASS_STATE_MASK)) | oldState;
releaseClassLock();
return;
}
}
TRACEF("Initializing class %s", clazz->name);
void* initializer = clazz->initializer;
if (!initializer) {
if (!CLASS_IS_ARRAY(clazz) && !CLASS_IS_PROXY(clazz) && !CLASS_IS_PRIMITIVE(clazz)) {
env->vm->options->classInitialized(env, clazz);
}
clazz->flags = (clazz->flags & (~CLASS_STATE_MASK)) | CLASS_STATE_INITIALIZED;
releaseClassLock();
return;
}
CallInfo* callInfo = call0AllocateCallInfo(env, initializer, 1, 0, 0, 0, 0);
call0AddPtr(callInfo, env);
void (*f)(CallInfo*) = (void (*)(CallInfo*)) _call0;
rvmPushGatewayFrame(env);
TrycatchContext tc = {0};
tc.sel = CATCH_ALL_SEL;
if (!rvmTrycatchEnter(env, &tc)) {
f(callInfo);
}
rvmTrycatchLeave(env);
rvmPopGatewayFrame(env);
Object* exception = rvmExceptionClear(env);
if (exception) {
clazz->flags = (clazz->flags & (~CLASS_STATE_MASK)) | CLASS_STATE_ERROR;
if (!rvmIsInstanceOf(env, exception, java_lang_Error)) {
// If exception isn't an instance of java.lang.Error
// we must wrap it in a java.lang.ExceptionInInitializerError
Method* constructor = rvmGetInstanceMethod(env, java_lang_ExceptionInInitializerError, "<init>", "(Ljava/lang/Throwable;)V");
if (!constructor) return;
Object* wrappedException = rvmNewObject(env, java_lang_ExceptionInInitializerError, constructor, exception);
if (!wrappedException) return;
exception = wrappedException;
}
rvmThrow(env, exception);
releaseClassLock();
return;
}
if (!CLASS_IS_ARRAY(clazz) && !CLASS_IS_PROXY(clazz) && !CLASS_IS_PRIMITIVE(clazz)) {
env->vm->options->classInitialized(env, clazz);
}
clazz->flags = (clazz->flags & (~CLASS_STATE_MASK)) | CLASS_STATE_INITIALIZED;
}
releaseClassLock();
}
jboolean rvmInitMemory(Env* env) {
vm = env->vm;
gcAddRoot(&referents);
java_lang_ref_Reference_referent = rvmGetInstanceField(env, java_lang_ref_Reference, "referent", "Ljava/lang/Object;");
if (!java_lang_ref_Reference_referent) return FALSE;
java_lang_ref_Reference_pendingNext = rvmGetInstanceField(env, java_lang_ref_Reference, "pendingNext", "Ljava/lang/ref/Reference;");
if (!java_lang_ref_Reference_pendingNext) return FALSE;
java_lang_ref_Reference_queue = rvmGetInstanceField(env, java_lang_ref_Reference, "queue", "Ljava/lang/ref/ReferenceQueue;");
if (!java_lang_ref_Reference_queue) return FALSE;
java_lang_ref_Reference_queueNext = rvmGetInstanceField(env, java_lang_ref_Reference, "queueNext", "Ljava/lang/ref/Reference;");
if (!java_lang_ref_Reference_queueNext) return FALSE;
java_lang_ref_PhantomReference = rvmFindClassUsingLoader(env, "java/lang/ref/PhantomReference", NULL);
if (!java_lang_ref_PhantomReference) return FALSE;
java_lang_ref_WeakReference = rvmFindClassUsingLoader(env, "java/lang/ref/WeakReference", NULL);
if (!java_lang_ref_WeakReference) return FALSE;
java_lang_ref_SoftReference = rvmFindClassUsingLoader(env, "java/lang/ref/SoftReference", NULL);
if (!java_lang_ref_SoftReference) return FALSE;
java_lang_ref_FinalizerReference = rvmFindClassUsingLoader(env, "java/lang/ref/FinalizerReference", NULL);
if (!java_lang_ref_FinalizerReference) return FALSE;
java_lang_ref_FinalizerReference_add = rvmGetClassMethod(env, java_lang_ref_FinalizerReference, "add", "(Ljava/lang/Object;)V");
if (!java_lang_ref_FinalizerReference_add) return FALSE;
java_lang_ref_FinalizerReference_zombie = rvmGetInstanceField(env, java_lang_ref_FinalizerReference, "zombie", "Ljava/lang/Object;");
if (!java_lang_ref_FinalizerReference_zombie) return FALSE;
java_lang_ref_ReferenceQueue = rvmFindClassUsingLoader(env, "java/lang/ref/ReferenceQueue", NULL);
if (!java_lang_ref_ReferenceQueue) return FALSE;
java_lang_ref_ReferenceQueue_add = rvmGetClassMethod(env, java_lang_ref_ReferenceQueue, "add", "(Ljava/lang/ref/Reference;)V");
if (!java_lang_ref_ReferenceQueue_add) return FALSE;
java_nio_ReadWriteDirectByteBuffer = rvmFindClassUsingLoader(env, "java/nio/ReadWriteDirectByteBuffer", NULL);
if (!java_nio_ReadWriteDirectByteBuffer) return FALSE;
java_nio_ReadWriteDirectByteBuffer_init = rvmGetInstanceMethod(env, java_nio_ReadWriteDirectByteBuffer, "<init>", "(II)V");
if (!java_nio_ReadWriteDirectByteBuffer_init) return FALSE;
Class* java_nio_Buffer = rvmFindClassUsingLoader(env, "java/nio/Buffer", NULL);
if (!java_nio_Buffer) return FALSE;
java_nio_Buffer_effectiveDirectAddress = rvmGetInstanceField(env, java_nio_Buffer, "effectiveDirectAddress", "I");
if (!java_nio_Buffer_effectiveDirectAddress) return FALSE;
java_nio_Buffer_capacity = rvmGetInstanceField(env, java_nio_Buffer, "capacity", "I");
if (!java_nio_Buffer_capacity) return FALSE;
java_lang_Throwable_stackState = rvmGetInstanceField(env, java_lang_Throwable, "stackState", "J");
if (!java_lang_Throwable_stackState) return FALSE;
org_robovm_rt_bro_Struct = rvmFindClassUsingLoader(env, "org/robovm/rt/bro/Struct", NULL);
if (!org_robovm_rt_bro_Struct) {
// We don't need Struct if it hasn't been compiled in
rvmExceptionClear(env);
} else {
org_robovm_rt_bro_Struct_handle = rvmGetInstanceField(env, org_robovm_rt_bro_Struct, "handle", "J");
if (!org_robovm_rt_bro_Struct_handle) return FALSE;
}
java_nio_MemoryBlock = rvmFindClassUsingLoader(env, "java/nio/MemoryBlock", NULL);
if (!java_nio_MemoryBlock) return FALSE;
java_nio_MemoryBlock_address = rvmGetInstanceField(env, java_nio_MemoryBlock, "address", "I");
if (!java_nio_MemoryBlock_address) return FALSE;
criticalOutOfMemoryError = rvmAllocateMemoryForObject(env, java_lang_OutOfMemoryError);
if (!criticalOutOfMemoryError) return FALSE;
criticalOutOfMemoryError->clazz = java_lang_OutOfMemoryError;
if (!rvmAddObjectGCRoot(env, criticalOutOfMemoryError)) return FALSE;
return TRUE;
}
