1 /* 2 * Copyright (C) 2016 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 #ifndef __LINKER_MAIN_H 30 #define __LINKER_MAIN_H 31 32 #include <android/dlext.h> 33 34 #include "linker_namespaces.h" 35 #include "linker_soinfo.h" 36 37 class ProtectedDataGuard { 38 public: 39 ProtectedDataGuard(); 40 ~ProtectedDataGuard(); 41 42 private: 43 void protect_data(int protection); 44 static size_t ref_count_; 45 }; 46 47 void init_default_namespace(const char* executable_path); 48 soinfo* soinfo_alloc(android_namespace_t* ns, const char* name, 49 struct stat* file_stat, off64_t file_offset, 50 uint32_t rtld_flags); 51 52 bool find_libraries(android_namespace_t* ns, 53 soinfo* start_with, 54 const char* const library_names[], 55 size_t library_names_count, 56 soinfo* soinfos[], 57 std::vector<soinfo*>* ld_preloads, 58 size_t ld_preloads_count, 59 int rtld_flags, 60 const android_dlextinfo* extinfo, 61 bool add_as_children, 62 bool search_linked_namespaces); 63 64 void solist_add_soinfo(soinfo* si); 65 bool solist_remove_soinfo(soinfo* si); 66 soinfo* solist_get_head(); 67 soinfo* solist_get_somain(); 68 69 #endif 70