7331fe18d7
Shared namespaces clone the list of loaded native
libraries from the caller namespace. This allows
classloaders for bundled apps to share already loaded
libraries with default namespace.
Bug: http://b/22548808
Bug: http://b/26165097
Change-Id: I8949d45937fdb38e1f586ff0679003adac0d9dad
(cherry picked from commit e78deef364)
71 lines
2.6 KiB
C
71 lines
2.6 KiB
C
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <dlfcn.h>
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#include <link.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <android/dlext.h>
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// These are stubs for functions that are actually defined
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// in the dynamic linker and hijacked at runtime.
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void* dlopen(const char* filename __unused, int flag __unused) { return 0; }
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const char* dlerror(void) { return 0; }
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void* dlsym(void* handle __unused, const char* symbol __unused) { return 0; }
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void* dlvsym(void* handle __unused, const char* symbol __unused, const char* version __unused) {
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return 0;
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}
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int dladdr(const void* addr __unused, Dl_info* info __unused) { return 0; }
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int dlclose(void* handle __unused) { return 0; }
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#if defined(__arm__)
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_Unwind_Ptr dl_unwind_find_exidx(_Unwind_Ptr pc __unused, int* pcount __unused) { return 0; }
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#endif
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int dl_iterate_phdr(int (*cb)(struct dl_phdr_info* info, size_t size, void* data) __unused,
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void* data __unused) {
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return 0;
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}
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void android_get_LD_LIBRARY_PATH(char* buffer __unused, size_t buffer_size __unused) { }
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void android_update_LD_LIBRARY_PATH(const char* ld_library_path __unused) { }
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void* android_dlopen_ext(const char* filename __unused, int flag __unused,
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const android_dlextinfo* extinfo __unused) {
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return 0;
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}
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void android_set_application_target_sdk_version(uint32_t target __unused) { }
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uint32_t android_get_application_target_sdk_version() { return 0; }
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bool android_init_namespaces(const char* public_ns_sonames __unused,
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const char* anon_ns_library_path __unused) {
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return false;
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}
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struct android_namespace_t* android_create_namespace(const char* name __unused,
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const char* ld_library_path __unused,
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const char* default_library_path __unused,
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uint64_t type __unused,
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const char* permitted_when_isolated_path __unused) {
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return 0;
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}
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