1 /*
2 * Copyright (C) 2018 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30
__internal_linker_error()31 extern "C" void __internal_linker_error() {
32 __builtin_trap();
33 }
34
35 __strong_alias(__loader_android_create_namespace, __internal_linker_error);
36 __strong_alias(__loader_android_dlopen_ext, __internal_linker_error);
37 __strong_alias(__loader_android_dlwarning, __internal_linker_error);
38 __strong_alias(__loader_android_get_application_target_sdk_version, __internal_linker_error);
39 __strong_alias(__loader_android_get_LD_LIBRARY_PATH, __internal_linker_error);
40 __strong_alias(__loader_android_get_exported_namespace, __internal_linker_error);
41 __strong_alias(__loader_android_init_anonymous_namespace, __internal_linker_error);
42 __strong_alias(__loader_android_link_namespaces, __internal_linker_error);
43 __strong_alias(__loader_android_link_namespaces_all_libs, __internal_linker_error);
44 __strong_alias(__loader_android_set_application_target_sdk_version, __internal_linker_error);
45 __strong_alias(__loader_android_update_LD_LIBRARY_PATH, __internal_linker_error);
46 __strong_alias(__loader_cfi_fail, __internal_linker_error);
47 __strong_alias(__loader_dl_iterate_phdr, __internal_linker_error);
48 __strong_alias(__loader_dladdr, __internal_linker_error);
49 __strong_alias(__loader_dlclose, __internal_linker_error);
50 __strong_alias(__loader_dlerror, __internal_linker_error);
51 __strong_alias(__loader_dlopen, __internal_linker_error);
52 __strong_alias(__loader_dlsym, __internal_linker_error);
53 __strong_alias(__loader_dlvsym, __internal_linker_error);
54 __strong_alias(__loader_add_thread_local_dtor, __internal_linker_error);
55 __strong_alias(__loader_remove_thread_local_dtor, __internal_linker_error);
56 __strong_alias(__loader_shared_globals, __internal_linker_error);
57 #if defined(__arm__)
58 __strong_alias(__loader_dl_unwind_find_exidx, __internal_linker_error);
59 #endif
60 __strong_alias(rtld_db_dlactivity, __internal_linker_error);
61
62 #if defined(__arm__)
63 // An arm32 unwinding table has an R_ARM_NONE relocation to
64 // __aeabi_unwind_cpp_pr0. This shared library will never invoke the unwinder,
65 // so it doesn't actually need the routine. Define a dummy version here,
66 // because the real version calls libc functions (e.g. memcpy, abort), which
67 // would create a dependency cycle with libc.so.
68 __attribute__((visibility("hidden")))
__aeabi_unwind_cpp_pr0()69 extern "C" void __aeabi_unwind_cpp_pr0() {
70 __builtin_trap();
71 }
72 #endif
73