OP_INSTANCE_OF.cpp revision cd8f5e701547739f241594b43e9470c92d98e9cf 
1HANDLE_OPCODE(OP_INSTANCE_OF /*vA, vB, class@CCCC*/)
2    {
3        ClassObject* clazz;
4        Object* obj;
5
6        vdst = INST_A(inst);
7        vsrc1 = INST_B(inst);   /* object to check */
8        ref = FETCH(1);         /* class to check against */
9        ILOGV("|instance-of v%d,v%d,class@0x%04x", vdst, vsrc1, ref);
10
11        obj = (Object*)GET_REGISTER(vsrc1);
12        if (obj == NULL) {
13            SET_REGISTER(vdst, 0);
14        } else {
15#if defined(WITH_EXTRA_OBJECT_VALIDATION)
16            if (!checkForNullExportPC(obj, fp, pc))
17                GOTO_exceptionThrown();
18#endif
19            clazz = dvmDexGetResolvedClass(methodClassDex, ref);
20            if (clazz == NULL) {
21                EXPORT_PC();
22                clazz = dvmResolveClass(curMethod->clazz, ref, true);
23                if (clazz == NULL)
24                    GOTO_exceptionThrown();
25            }
26            SET_REGISTER(vdst, dvmInstanceof(obj->clazz, clazz));
27        }
28    }
29    FINISH(2);
30OP_END
31