static void Dalvik_dalvik_system_VMRuntime_newNonMovableArray(const u4* args,
JValue* pResult)
{
ClassObject* elementClass = (ClassObject*) args[1];
int length = args[2];
if (elementClass == NULL) {
dvmThrowNullPointerException("elementClass == null");
RETURN_VOID();
}
if (length < 0) {
dvmThrowNegativeArraySizeException(length);
RETURN_VOID();
}
// TODO: right now, we don't have a copying collector, so there's no need
// to do anything special here, but we ought to pass the non-movability
// through to the allocator.
ClassObject* arrayClass = dvmFindArrayClassForElement(elementClass);
ArrayObject* newArray = dvmAllocArrayByClass(arrayClass,
length,
ALLOC_NON_MOVING);
if (newArray == NULL) {
assert(dvmCheckException(dvmThreadSelf()));
RETURN_VOID();
}
dvmReleaseTrackedAlloc((Object*) newArray, NULL);
RETURN_PTR(newArray);
}
java_lang_Object_p fastiva_Dalvik_dalvik_system_VMRuntime_newNonMovableArray(dalvik_system_VMRuntime_p self, java_lang_Class_p elementClass, jint length) {
#endif
if (elementClass == NULL) {
dvmThrowNullPointerException("elementClass == null");
THROW_V();
}
if (length < 0) {
dvmThrowNegativeArraySizeException(length);
THROW_V();
}
// TODO: right now, we don't have a copying collector, so there's no need
// to do anything special here, but we ought to pass the non-movability
// through to the allocator.
ClassObject* arrayClass = dvmFindArrayClassForElement(elementClass);
ArrayObject* newArray = dvmAllocArrayByClass(arrayClass,
length,
ALLOC_NON_MOVING);
if (newArray == NULL) {
assert(dvmCheckException(dvmThreadSelf()));
THROW_V();
}
dvmReleaseTrackedAlloc((Object*) newArray, NULL);
RETURN_PTR(newArray);
}
/*
* private static String[] getClassNameList(int cookie)
*
* Returns a String array that holds the names of all classes in the
* specified DEX file.
* 在指定的DEX文件中，返回一个持有所有类名字的String数组
*/
static void Dalvik_dalvik_system_DexFile_getClassNameList(const u4* args,
JValue* pResult)
{
int cookie = args[0];
DexOrJar* pDexOrJar = (DexOrJar*) cookie;
Thread* self = dvmThreadSelf();
if (!validateCookie(cookie))
RETURN_VOID();
DvmDex* pDvmDex;
if (pDexOrJar->isDex)
pDvmDex = dvmGetRawDexFileDex(pDexOrJar->pRawDexFile);
else
pDvmDex = dvmGetJarFileDex(pDexOrJar->pJarFile);
assert(pDvmDex != NULL);
DexFile* pDexFile = pDvmDex->pDexFile;
int count = pDexFile->pHeader->classDefsSize;
ClassObject* arrayClass =
dvmFindArrayClassForElement(gDvm.classJavaLangString);
ArrayObject* stringArray =
dvmAllocArrayByClass(arrayClass, count, ALLOC_DEFAULT);
if (stringArray == NULL) {
/* probably OOM */
ALOGD("Failed allocating array of %d strings", count);
assert(dvmCheckException(self));
RETURN_VOID();
}
int i;
for (i = 0; i < count; i++) {
const DexClassDef* pClassDef = dexGetClassDef(pDexFile, i);
const char* descriptor =
dexStringByTypeIdx(pDexFile, pClassDef->classIdx);
char* className = dvmDescriptorToDot(descriptor);
StringObject* str = dvmCreateStringFromCstr(className);
dvmSetObjectArrayElement(stringArray, i, (Object *)str);
dvmReleaseTrackedAlloc((Object *)str, self);
free(className);
}
dvmReleaseTrackedAlloc((Object*)stringArray, self);
RETURN_PTR(stringArray);
}
