/*
* Find the return type in the signature, and convert it to a class
* object. For primitive types we use a boxed class, for reference types
* we do a name lookup.
*
* On failure, we return NULL with an exception raised.
*/
ClassObject* dvmGetBoxedReturnType(const Method* meth)
{
const char* sig = dexProtoGetReturnType(&meth->prototype);
switch (*sig) {
case 'Z':
case 'C':
case 'F':
case 'D':
case 'B':
case 'S':
case 'I':
case 'J':
case 'V':
return dvmFindPrimitiveClass(*sig);
case '[':
case 'L':
return dvmFindClass(sig, meth->clazz->classLoader);
default: {
/* should not have passed verification */
char* desc = dexProtoCopyMethodDescriptor(&meth->prototype);
ALOGE("Bad return type in signature '%s'", desc);
free(desc);
dvmThrowInternalError(NULL);
return NULL;
}
}
}
GOTO_TARGET(filledNewArray, bool methodCallRange, bool)
{
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)) {
dvmThrowRuntimeException(
"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'", arrayClass->descriptor);
typeCh = arrayClass->descriptor[1];
if (typeCh == 'D' || typeCh == 'J') {
/* category 2 primitives not allowed */
dvmThrowRuntimeException("bad filled array req");
GOTO_exceptionThrown();
} else if (typeCh != 'L' && typeCh != '[' && typeCh != 'I') {
/* TODO: requires multiple "fill in" loops with different widths */
ALOGE("non-int primitives not implemented");
dvmThrowInternalError(
"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*)(void*)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;
}
}
if (typeCh == 'L' || typeCh == '[') {
dvmWriteBarrierArray(newArray, 0, newArray->length);
}
retval.l = (Object*)newArray;
}