Method* getMethodFromMethodObject(Env* env, Object* methodObject) {
if (!java_lang_reflect_Method) {
java_lang_reflect_Method = rvmFindClassUsingLoader(env, "java/lang/reflect/Method", NULL);
if (!java_lang_reflect_Method) return NULL;
}
if (!java_lang_reflect_Method_method) {
java_lang_reflect_Method_method = rvmGetInstanceField(env, java_lang_reflect_Method, "method", "J");
if (!java_lang_reflect_Method_method) return NULL;
}
return (Method*) LONG_TO_PTR(rvmGetLongInstanceFieldValue(env, methodObject, java_lang_reflect_Method_method));
}
Field* getFieldFromFieldObject(Env* env, Object* fieldObject) {
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_field) {
java_lang_reflect_Field_field = rvmGetInstanceField(env, java_lang_reflect_Field, "field", "J");
if (!java_lang_reflect_Field_field) return NULL;
}
return (Field*) LONG_TO_PTR(rvmGetLongInstanceFieldValue(env, fieldObject, java_lang_reflect_Field_field));
}
void rvmThrow(Env* env, Object* e) {
// TODO: Check that e != NULL?
if (env->throwable) {
rvmAbort("rvmThrow() called with env->throwable already set");
}
if (IS_TRACE_ENABLED) {
jlong stackState = rvmGetLongInstanceFieldValue(env, e, stackStateField);
CallStack* callStack = (CallStack*) LONG_TO_PTR(stackState);
if (!callStack || callStack->length == 0) {
TRACEF("Throwing a %s with empty call stack", e->clazz->name);
} else {
TRACEF("Throwing a %s. Call stack:", e->clazz->name);
Method* m;
jint index = 0;
while ((m = rvmGetNextCallStackMethod(env, callStack, &index)) != NULL) {
TRACEF(" %s.%s%s", m->clazz->name, m->name, m->desc);
}
}
}
env->throwable = e;
}
static jlong GetLongField(JNIEnv* env, jobject obj, jfieldID fieldID) {
return rvmGetLongInstanceFieldValue((Env*) env, (Object*) obj, (InstanceField*) fieldID);
}