Пример #1
0
GOTO_TARGET(filledNewArray, bool methodCallRange)
    {
        ClassObject* arrayClass;
        ArrayObject* newArray;
        u4* contents;
        char typeCh;
        int i;
        u4 arg5;

        EXPORT_PC();

        ref = FETCH(1);             /* class ref */
        vdst = FETCH(2);            /* first 4 regs -or- range base */

        if (methodCallRange) {
            vsrc1 = INST_AA(inst);  /* #of elements */
            arg5 = -1;              /* silence compiler warning */
            ILOGV("|filled-new-array-range args=%d @0x%04x {regs=v%d-v%d}",
                vsrc1, ref, vdst, vdst+vsrc1-1);
        } else {
            arg5 = INST_A(inst);
            vsrc1 = INST_B(inst);   /* #of elements */
            ILOGV("|filled-new-array args=%d @0x%04x {regs=0x%04x %x}",
                vsrc1, ref, vdst, arg5);
        }

        /*
         * Resolve the array class.
         */
        arrayClass = dvmDexGetResolvedClass(methodClassDex, ref);
        if (arrayClass == NULL) {
            arrayClass = dvmResolveClass(curMethod->clazz, ref, false);
            if (arrayClass == NULL)
                GOTO_exceptionThrown();
        }
        /*
        if (!dvmIsArrayClass(arrayClass)) {
            dvmThrowException("Ljava/lang/RuntimeError;",
                "filled-new-array needs array class");
            GOTO_exceptionThrown();
        }
        */
        /* verifier guarantees this is an array class */
        assert(dvmIsArrayClass(arrayClass));
        assert(dvmIsClassInitialized(arrayClass));

        /*
         * Create an array of the specified type.
         */
        LOGVV("+++ filled-new-array type is '%s'\n", arrayClass->descriptor);
        typeCh = arrayClass->descriptor[1];
        if (typeCh == 'D' || typeCh == 'J') {
            /* category 2 primitives not allowed */
            dvmThrowException("Ljava/lang/RuntimeError;",
                "bad filled array req");
            GOTO_exceptionThrown();
        } else if (typeCh != 'L' && typeCh != '[' && typeCh != 'I') {
            /* TODO: requires multiple "fill in" loops with different widths */
            LOGE("non-int primitives not implemented\n");
            dvmThrowException("Ljava/lang/InternalError;",
                "filled-new-array not implemented for anything but 'int'");
            GOTO_exceptionThrown();
        }

        newArray = dvmAllocArrayByClass(arrayClass, vsrc1, ALLOC_DONT_TRACK);
        if (newArray == NULL)
            GOTO_exceptionThrown();

        /*
         * Fill in the elements.  It's legal for vsrc1 to be zero.
         */
        contents = (u4*) newArray->contents;
        if (methodCallRange) {
            for (i = 0; i < vsrc1; i++)
                contents[i] = GET_REGISTER(vdst+i);
        } else {
            assert(vsrc1 <= 5);
            if (vsrc1 == 5) {
                contents[4] = GET_REGISTER(arg5);
                vsrc1--;
            }
            for (i = 0; i < vsrc1; i++) {
                contents[i] = GET_REGISTER(vdst & 0x0f);
                vdst >>= 4;
            }
        }

        retval.l = newArray;
    }
Пример #2
0
HANDLE_OPCODE($opcode /*vA, vB*/)
    vdst = INST_A(inst);
    vsrc1 = INST_B(inst);
    ILOGV("|move%s v%d,v%d %s(v%d=0x%08x)",
        (INST_INST(inst) == OP_MOVE) ? "" : "-object", vdst, vsrc1,
        kSpacing, vdst, GET_REGISTER(vsrc1));
    SET_REGISTER(vdst, GET_REGISTER(vsrc1));
    FINISH(1);
OP_END