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 <stdio.h>
19 #include <string.h>
20
21 #include <atomic>
22 #include <string>
23
24 #include <android-base/macros.h>
25 #include <jni.h>
26 #include <nativehelper/JNIHelp.h>
27 #include <nativehelper/ScopedUtfChars.h>
28
29 #if defined(__BIONIC__)
30 #include <sys/system_properties.h>
31 #endif
32
33 extern "C"
Java_libcore_libcore_util_NativeAllocationRegistryTest_isNativeBridgedABI(JNIEnv *,jclass)34 jboolean Java_libcore_libcore_util_NativeAllocationRegistryTest_isNativeBridgedABI(JNIEnv*, jclass) {
35 #if defined(__BIONIC__)
36 return __system_property_find("ro.dalvik.vm.isa." ABI_STRING) != nullptr;
37 #else
38 return false;
39 #endif
40 }
41
42 std::atomic<uint64_t> gNumNativeBytesAllocated = 0;
43
finalize(uint64_t * ptr)44 static void finalize(uint64_t* ptr) {
45 gNumNativeBytesAllocated -= *ptr;
46 delete ptr;
47 }
48
49 extern "C"
Java_libcore_libcore_util_NativeAllocationRegistryTest_getNativeFinalizer(JNIEnv *,jclass)50 jlong Java_libcore_libcore_util_NativeAllocationRegistryTest_getNativeFinalizer(JNIEnv*, jclass) {
51 return static_cast<jlong>(reinterpret_cast<uintptr_t>(&finalize));
52 }
53
54 extern "C"
Java_libcore_libcore_util_NativeAllocationRegistryTest_doNativeAllocation(JNIEnv *,jclass,jlong size)55 jlong Java_libcore_libcore_util_NativeAllocationRegistryTest_doNativeAllocation(JNIEnv*,
56 jclass,
57 jlong size) {
58 gNumNativeBytesAllocated += size;
59
60 // The actual allocation is a pointer to the pretend size of the allocation.
61 uint64_t* ptr = new uint64_t;
62 *ptr = static_cast<uint64_t>(size);
63 return static_cast<jlong>(reinterpret_cast<uintptr_t>(ptr));
64 }
65
66 extern "C"
Java_libcore_libcore_util_NativeAllocationRegistryTest_getNumNativeBytesAllocated(JNIEnv *,jclass)67 jlong Java_libcore_libcore_util_NativeAllocationRegistryTest_getNumNativeBytesAllocated(JNIEnv*, jclass) {
68 return static_cast<jlong>(gNumNativeBytesAllocated);
69 }
70