1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <sys/stat.h>
18#include <string>
19
20#include <jni.h>
21#include "JNIHelp.h"
22#include "ScopedUtfChars.h"
23
24uint64_t gNumNativeBytesAllocated = 0;
25
26static void finalize(uint64_t* ptr) {
27  gNumNativeBytesAllocated -= *ptr;
28  delete ptr;
29}
30
31extern "C"
32jlong Java_libcore_util_NativeAllocationRegistryTest_getNativeFinalizer(JNIEnv*, jclass) {
33  return static_cast<jlong>(reinterpret_cast<uintptr_t>(&finalize));
34}
35
36extern "C"
37jlong Java_libcore_util_NativeAllocationRegistryTest_doNativeAllocation(JNIEnv*,
38                                                                        jclass,
39                                                                        jlong size) {
40  gNumNativeBytesAllocated += size;
41
42  // The actual allocation is a pointer to the pretend size of the allocation.
43  uint64_t* ptr = new uint64_t;
44  *ptr = static_cast<uint64_t>(size);
45  return static_cast<jlong>(reinterpret_cast<uintptr_t>(ptr));
46}
47
48extern "C"
49jlong Java_libcore_util_NativeAllocationRegistryTest_getNumNativeBytesAllocated(JNIEnv*, jclass) {
50  return static_cast<jlong>(gNumNativeBytesAllocated);
51}
52