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 */ 21 void *dlopen(const char *filename, int flag) { return 0; } 22 const char *dlerror(void) { return 0; } 23 void *dlsym(void *handle, const char *symbol) { return 0; } 24 int dladdr(const void *addr, Dl_info *info) { return 0; } 25 int dlclose(void *handle) { return 0; } 26 27 #ifdef __arm__ 28 void *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 */ 32 int 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