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_COMMON_TYPES_H 30 #define __LINKER_COMMON_TYPES_H 31 32 #include <android/dlext.h> 33 #include "linked_list.h" 34 35 // TODO(dimitry): move this to linker_defines.h? Unless it is removed by 36 // consequent refactoring steps. 37 38 // Android uses RELA for aarch64 and x86_64. mips64 still uses REL. 39 #if defined(__aarch64__) || defined(__x86_64__) 40 #define USE_RELA 1 41 #endif 42 43 44 struct soinfo; 45 46 class SoinfoListAllocator { 47 public: 48 static LinkedListEntry<soinfo>* alloc(); 49 static void free(LinkedListEntry<soinfo>* entry); 50 51 private: 52 // unconstructable 53 DISALLOW_IMPLICIT_CONSTRUCTORS(SoinfoListAllocator); 54 }; 55 56 class NamespaceListAllocator { 57 public: 58 static LinkedListEntry<android_namespace_t>* alloc(); 59 static void free(LinkedListEntry<android_namespace_t>* entry); 60 61 private: 62 // unconstructable 63 DISALLOW_IMPLICIT_CONSTRUCTORS(NamespaceListAllocator); 64 }; 65 66 typedef LinkedList<soinfo, SoinfoListAllocator> soinfo_list_t; 67 typedef LinkedList<android_namespace_t, NamespaceListAllocator> android_namespace_list_t; 68 69 #endif /* __LINKER_COMMON_TYPES_H */ 70