ObjectArray* Java_java_lang_Thread_internalGetStackTrace(Env* env, Class* cls, JavaThread* threadObj) {
Thread* thread = (Thread*) LONG_TO_PTR(threadObj->threadPtr);
CallStack* callStack = NULL;
if (thread) {
callStack = rvmCaptureCallStackForThread(env, thread);
}
return rvmCallStackToStackTraceElements(env, callStack, 0);
}
ObjectArray* Java_java_lang_Throwable_nativeGetStackTrace(Env* env, Object* thiz, jlong stackState) {
CallStack* callStack = (CallStack*) LONG_TO_PTR(stackState);
if (!callStack) {
return rvmCallStackToStackTraceElements(env, NULL, 0);
}
jint index = 0;
jint first = 0;
Method* m = rvmGetNextCallStackMethod(env, callStack, &index);
if (m && m->clazz == java_lang_Throwable && !strcmp(m->name, "nativeFillInStackTrace")) {
// Skip Throwable.nativeFillInStackTrace()
rvmGetNextCallStackMethod(env, callStack, &index); // Skip Throwable.fillInStackTrace()
m = rvmGetNextCallStackMethod(env, callStack, &index);
first = index;
if (m) {
Class* clazz = m->clazz;
if (clazz == java_lang_Throwable && METHOD_IS_CONSTRUCTOR(m)) {
// fillInStackTrace() was called from the constructor of Throwable
// Skip all constructors until the constructor of thiz->clazz
Class* superclass = java_lang_Object;
while (m && METHOD_IS_CONSTRUCTOR(m) && clazz != thiz->clazz && clazz->superclass == superclass) {
m = rvmGetNextCallStackMethod(env, callStack, &index);
if (m && m->clazz != clazz) {
superclass = clazz;
clazz = m->clazz;
}
first = index - 1;
}
// We're now at the constructor of thiz->clazz which called super().
// Skip all constructors belonging to thiz->clazz to get to the method which created the throwable
while (m && METHOD_IS_CONSTRUCTOR(m) && clazz == thiz->clazz) {
m = rvmGetNextCallStackMethod(env, callStack, &index);
if (m) clazz = m->clazz;
first = index - 1;
}
}
}
}
return rvmCallStackToStackTraceElements(env, callStack, first);
}
