static jint RegisterNatives(JNIEnv* env, jclass clazz, const JNINativeMethod* methods, jint nMethods) {
NativeMethod* nativeMethods[nMethods];
jint i;
for (i = 0; i < nMethods; i++) {
nativeMethods[i] = (NativeMethod*) rvmGetMethod((Env*) env, (Class*) clazz, methods[i].name, methods[i].signature);
if (nativeMethods[i] == NULL || !METHOD_IS_NATIVE(&nativeMethods[i]->method)) {
rvmThrowNoSuchMethodError((Env*) env, methods[i].name);
return JNI_ERR;
}
}
for (i = 0; i < nMethods; i++) {
if (!rvmRegisterNative((Env*) env, nativeMethods[i], methods[i].fnPtr)) {
return JNI_ERR;
}
}
return 0;
}
ObjectArray* rvmCallStackToStackTraceElements(Env* env, CallStack* callStack, jint first) {
if (!callStack || callStack->length == 0) {
return empty_java_lang_StackTraceElement_array;
}
// Count the number of methods
jint index = first;
jint length = 0;
while (rvmGetNextCallStackMethod(env, callStack, &index)) {
length++;
}
if (length == 0) {
return empty_java_lang_StackTraceElement_array;
}
ObjectArray* array = rvmNewObjectArray(env, length, java_lang_StackTraceElement, NULL, NULL);
if (!array) return NULL;
if (length > 0) {
jvalue args[4];
index = first;
jint i;
for (i = 0; i < length; i++) {
Method* m = rvmGetNextCallStackMethod(env, callStack, &index);
args[0].l = (jobject) m->clazz;
args[1].l = (jobject) rvmNewStringUTF(env, m->name, -1);
if (!args[1].l) return NULL;
args[2].l = (jobject) rvmAttributeGetClassSourceFile(env, m->clazz);
if (rvmExceptionOccurred(env)) {
return NULL;
}
args[3].i = METHOD_IS_NATIVE(m) ? -2 : -1; // TODO: Line numbers
array->values[i] = rvmNewObjectA(env, java_lang_StackTraceElement,
java_lang_StackTraceElement_constructor, args);
if (!array->values[i]) return NULL;
}
}
return array;
}
