bionic/libdl/libdl.c
Dmitriy Ivanov 42d5fcb9f4 Introducing linker namespaces
Bug: http://b/22548808
Change-Id: Ia3af3c0a167f1d16447a3d83bb045d143319b1e1
2015-11-15 12:09:16 -08:00

59 lines
2.3 KiB
C

/*
* Copyright (C) 2007 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.
*/
#include <dlfcn.h>
#include <link.h>
#include <stdlib.h>
#include <stdbool.h>
#include <android/dlext.h>
// These are stubs for functions that are actually defined
// in the dynamic linker and hijacked at runtime.
void* dlopen(const char* filename __unused, int flag __unused) { return 0; }
const char* dlerror(void) { return 0; }
void* dlsym(void* handle __unused, const char* symbol __unused) { return 0; }
int dladdr(const void* addr __unused, Dl_info* info __unused) { return 0; }
int dlclose(void* handle __unused) { return 0; }
#if defined(__arm__)
_Unwind_Ptr dl_unwind_find_exidx(_Unwind_Ptr pc __unused, int* pcount __unused) { return 0; }
#endif
int dl_iterate_phdr(int (*cb)(struct dl_phdr_info* info, size_t size, void* data) __unused,
void* data __unused) {
return 0;
}
void android_get_LD_LIBRARY_PATH(char* buffer __unused, size_t buffer_size __unused) { }
void android_update_LD_LIBRARY_PATH(const char* ld_library_path __unused) { }
void* android_dlopen_ext(const char* filename __unused, int flag __unused,
const android_dlextinfo* extinfo __unused) {
return 0;
}
void android_set_application_target_sdk_version(uint32_t target __unused) { }
uint32_t android_get_application_target_sdk_version() { return 0; }
bool android_init_public_namespace(const char* paths __unused) { return false; }
struct android_namespace_t* android_create_namespace(const char* name __unused,
const char* ld_library_path __unused,
const char* default_library_path __unused,
bool isolated __unused) {
return 0;
}