1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef NATIVE_LOADER_H_
#define NATIVE_LOADER_H_
#include <stdbool.h>
#include <stdint.h>
#include "jni.h"
#if defined(__ANDROID__)
#include <android/dlext.h>
#endif
#ifdef __cplusplus
namespace android {
extern "C" {
#endif // __cplusplus
// README: the char** error message parameter being passed
// to the methods below need to be freed through calling NativeLoaderFreeErrorMessage.
// It's the caller's responsibility to call that method.
__attribute__((visibility("default")))
void InitializeNativeLoader();
__attribute__((visibility("default")))
jstring CreateClassLoaderNamespace(JNIEnv* env,
int32_t target_sdk_version,
jobject class_loader,
bool is_shared,
bool is_for_vendor,
jstring library_path,
jstring permitted_path);
__attribute__((visibility("default"))) void* OpenNativeLibrary(
JNIEnv* env, int32_t target_sdk_version, const char* path, jobject class_loader,
const char* caller_location, jstring library_path, bool* needs_native_bridge, char** error_msg);
__attribute__((visibility("default"))) bool CloseNativeLibrary(void* handle,
const bool needs_native_bridge,
char** error_msg);
__attribute__((visibility("default"))) void NativeLoaderFreeErrorMessage(char* msg);
#if defined(__ANDROID__)
// Look up linker namespace by class_loader. Returns nullptr if
// there is no namespace associated with the class_loader.
// TODO(b/79940628): move users to FindNativeLoaderNamespaceByClassLoader and remove this function.
__attribute__((visibility("default"))) struct android_namespace_t* FindNamespaceByClassLoader(
JNIEnv* env, jobject class_loader);
// That version works with native bridge namespaces, but requires use of OpenNativeLibrary.
struct NativeLoaderNamespace;
__attribute__((visibility("default"))) struct NativeLoaderNamespace*
FindNativeLoaderNamespaceByClassLoader(JNIEnv* env, jobject class_loader);
// Load library. Unlinke OpenNativeLibrary above couldn't create namespace on demand, but does
// not require access to JNIEnv either.
__attribute__((visibility("default"))) void* OpenNativeLibraryInNamespace(
struct NativeLoaderNamespace* ns, const char* path, bool* needs_native_bridge,
char** error_msg);
#endif
__attribute__((visibility("default")))
void ResetNativeLoader();
#ifdef __cplusplus
} // extern "C"
} // namespace android
#endif // __cplusplus
#endif // NATIVE_BRIDGE_H_
|
