libdl.c revision a4aafd156068ee174012f28cd894dbecf0e4ab90
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#include <stdlib.h> 19 20/* These are stubs for functions that are actually defined 21 * in the dynamic linker (dlfcn.c), and hijacked at runtime. 22 */ 23void *dlopen(const char *filename, int flag) { return 0; } 24const char *dlerror(void) { return 0; } 25void *dlsym(void *handle, const char *symbol) { return 0; } 26int dladdr(const void *addr, Dl_info *info) { return 0; } 27int dlclose(void *handle) { return 0; } 28 29void android_get_LD_LIBRARY_PATH(char* buffer, size_t buffer_size) { } 30void android_update_LD_LIBRARY_PATH(const char* ld_library_path) { } 31 32#if defined(__arm__) 33 34void *dl_unwind_find_exidx(void *pc, int *pcount) { return 0; } 35 36#endif 37 38/* we munge the cb definition so we don't have to include any headers here. 39 * It won't affect anything since these are just symbols anyway */ 40int dl_iterate_phdr(int (*cb)(void *info, void *size, void *data), void *data) { return 0; } 41