jint ConstantPool::name_and_type_at(int index JVM_TRAPS) const {
int offset = offset_from_checked_index(index JVM_ZCHECK(offset));
cp_check_0(ConstantTag::is_name_and_type(tag_value_at(index)));
int result = int_field(offset);
GUARANTEE(result != 0, "sanity for JVM_ZCHECK");
return result;
}
ReturnOop ConstantPool::resolved_klass_at(int index JVM_TRAPS) const {
int offset = offset_from_checked_index(index JVM_ZCHECK(offset));
cp_check_0(ConstantTag::is_resolved_klass(tag_value_at(index)));
return Universe::class_from_id(int_field(offset));
}
GUARANTEE(Synchronizer::is_locked_by(obj, thread), "Sanity check");
}
static int local_rand() {
static unsigned int state = 0x23451921;
const unsigned int multiplier = 0xDEECE66DL;
const unsigned int addend = 0xBL;
state = state * multiplier + addend;
return (int)state;
}
jint Synchronizer::hash_code(JavaOop* obj JVM_TRAPS) {
if (obj->klass() == _interned_string_near_addr) {
JavaOop::Raw new_obj = get_lock_object_ref(obj, Thread::current(), false
JVM_ZCHECK(new_obj));
GUARANTEE(!obj->is_null(), "lock object is null!");
*obj = new_obj;
}
JavaNear::Raw java_near = obj->klass();
// Check if hash has been computed
if (!java_near().has_hash()) {
UsingFastOops fast_oops;
bool is_locked = java_near().is_locked();
JavaClass::Fast c = java_near().klass();
// Create a new near.
java_near = Universe::new_java_near(&c JVM_CHECK_0);
// use a pseudo-random 32-bit number as the hash value
jint new_hash;
}
ReturnOop ObjArrayClass::get_array_class(jint distance JVM_TRAPS) {
if (distance == 1) {
return obj();
}
UsingFastOops fast_oops;
ObjArrayClass::Fast ac = compute_higher_dimension(JVM_SINGLE_ARG_ZCHECK(ac));
return ac().get_array_class(distance - 1 JVM_NO_CHECK_AT_BOTTOM_0);
}
ReturnOop ObjArrayClass::multi_allocate(int rank, JavaFrame* frame JVM_TRAPS) {
UsingFastOops fast_oops;
int length = frame->expression_at(rank - 1)->as_int();
ObjArray::Fast result = Universe::allocate_array(this, length, oopSize
JVM_ZCHECK(result));
JavaClass::Fast lower;
if (rank > 1) {
// Allocate all the sub arrays
lower = element_class();
if (lower.is_obj_array_class()) {
ObjArrayClass *oc = (ObjArrayClass*)&lower;
if (length == 0) {
/*
* If there is a zero dimension value, subsequent dimensions should not
* be allocated, but JVMS requires to throw NegativeArraySizeException
* if *any* of dimension values is negative.
*/
for (int r = rank - 2; r >= 0; r--) {
int sub_length = frame->expression_at(r)->as_int();
if (sub_length < 0) {
