libdl.c revision bda5da074eab4bdf374e1f4a19d480c62c72f5ff 
1/*
2 * Copyright (C) 2007 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 <dlfcn.h>
18/* These are stubs for functions that are actually defined
19 * in the dynamic linker (dlfcn.c), and hijacked at runtime.
20 */
21void *dlopen(const char *filename, int flag) { return 0; }
22const char *dlerror(void) { return 0; }
23void *dlsym(void *handle, const char *symbol) { return 0; }
24int dladdr(const void *addr, Dl_info *info) { return 0; }
25int dlclose(void *handle) { return 0; }
26
27#ifdef __arm__
28void *dl_unwind_find_exidx(void *pc, int *pcount) { return 0; }
29#elif defined(__i386__) || defined(__sh__)
30/* we munge the cb definition so we don't have to include any headers here.
31 * It won't affect anything since these are just symbols anyway */
32int dl_iterate_phdr(int (*cb)(void *info, void *size, void *data),
33                    void *data) { return 0; }
34#else
35#error Unsupported architecture. Only arm and x86 are supported.
36#endif
37