Method loadMethodIDs

src/vmEntry.cpp:371–401

}

void VM::loadMethodIDs(jvmtiEnv* jvmti, JNIEnv* jni, jclass klass, bool update_count) {
    if (loadAcquire(_jmethod_id_count) > JMETHOD_ID_LIMIT) {
        if (__sync_bool_compare_and_swap(&_jmethod_id_count_warned, false, true)) {
            Log::warn("Total number of generated jmethod-ids exceeds %d, stop generating more", JMETHOD_ID_LIMIT);
        }
        return;
    }
    if (VMStructs::hasClassLoaderData()) {
        VMKlass* vmklass = VMKlass::fromJavaClass(jni, klass);
        int method_count = vmklass->methodCount();
        if (method_count > 0) {
            ClassLoaderData* cld = vmklass->classLoaderData();
            cld->lock();
            // Workaround for JVM bug: preallocate space for jmethodIDs
            // at the beginning of the list (rather than at the end)
            for (int i = 0; i < method_count; i += MethodList::SIZE) {
                *cld->methodList() = new MethodList(*cld->methodList());
            }
            cld->unlock();
        }
    }

    jint method_count;
    jmethodID* methods;
    if (jvmti->GetClassMethods(klass, &method_count, &methods) == 0) {
        if (update_count) {
            atomicInc(_jmethod_id_count, method_count);
        }
        jvmti->Deallocate((unsigned char*)methods);
    }
}

void VM::loadAllMethodIDs(jvmtiEnv* jvmti, JNIEnv* jni) {
    jint class_count;