bool VM_RedefineClasses::doit_prologue() {
if (_class_count == 0) {
_res = JVMTI_ERROR_NONE;
return false;
}
if (_class_defs == NULL) {
_res = JVMTI_ERROR_NULL_POINTER;
return false;
}
for (int i = 0; i < _class_count; i++) {
if (_class_defs[i].klass == NULL) {
_res = JVMTI_ERROR_INVALID_CLASS;
return false;
}
if (_class_defs[i].class_byte_count == 0) {
_res = JVMTI_ERROR_INVALID_CLASS_FORMAT;
return false;
}
if (_class_defs[i].class_bytes == NULL) {
_res = JVMTI_ERROR_NULL_POINTER;
return false;
}
}
// We first load new class versions in the prologue, because somewhere down the
// call chain it is required that the current thread is a Java thread.
_res = load_new_class_versions(Thread::current());
if (_res != JVMTI_ERROR_NONE) {
// Free os::malloc allocated memory in load_new_class_version.
os::free(_k_h_new);
return false;
}
return true;
}
bool doit_prologue() {
// We first load new class versions in the prologue, because somewhere down the
// call chain it is required that the current thread is a Java thread.
Thread *THREAD = Thread::current();
if ((_res = load_new_class_versions(THREAD)) != JVMDI_ERROR_NONE) {
// Free os::malloc allocated memory in load_new_class_version.
os::free(_k_h_new);
return false;
}
return true;
}
