11dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 21dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 31dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * All rights reserved. 41dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 51dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Redistribution and use in source and binary forms, with or without 61dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * modification, are permitted provided that the following conditions 71dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * are met: 81dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * * Redistributions of source code must retain the above copyright 91dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer. 101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * * Redistributions in binary form must reproduce the above copyright 111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer in 121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * the documentation and/or other materials provided with the 131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * distribution. 141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * SUCH DAMAGE. 271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 281dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef _LINKER_H_ 301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define _LINKER_H_ 311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 329ec0f03a0d0b17bbb94ac0b9fef6add28a133c3aNick Kralevich#include <elf.h> 33b7beb6907599b36809effe1b4db76039ac649518Pavel Chupin#include <link.h> 341272dbd1d76c979358fff3beae9de0c1462345afElliott Hughes#include <unistd.h> 35012cb4583a5f8564059142bb1900ea3a31e7cfa9Torne (Richard Coles)#include <android/dlext.h> 36d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov#include <sys/stat.h> 374688279db5dcc4004941e7f133c4a1c3617d842cElliott Hughes 388f2a5a0b40fc82126c691d5c30131d908772aab7Elliott Hughes#include "private/libc_logging.h" 39d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov#include "linked_list.h" 40650be4e584eeab3591b9e273bfd6d169eea60853Elliott Hughes 41650be4e584eeab3591b9e273bfd6d169eea60853Elliott Hughes#define DL_ERR(fmt, x...) \ 42650be4e584eeab3591b9e273bfd6d169eea60853Elliott Hughes do { \ 43650be4e584eeab3591b9e273bfd6d169eea60853Elliott Hughes __libc_format_buffer(linker_get_error_buffer(), linker_get_error_buffer_size(), fmt, ##x); \ 44650be4e584eeab3591b9e273bfd6d169eea60853Elliott Hughes /* If LD_DEBUG is set high enough, log every dlerror(3) message. */ \ 45650be4e584eeab3591b9e273bfd6d169eea60853Elliott Hughes DEBUG("%s\n", linker_get_error_buffer()); \ 467e5a8cc5230dcc027686813e51a1b001cee4c602Elliott Hughes } while (false) 477e5a8cc5230dcc027686813e51a1b001cee4c602Elliott Hughes 487e5a8cc5230dcc027686813e51a1b001cee4c602Elliott Hughes#define DL_WARN(fmt, x...) \ 497e5a8cc5230dcc027686813e51a1b001cee4c602Elliott Hughes do { \ 507e5a8cc5230dcc027686813e51a1b001cee4c602Elliott Hughes __libc_format_log(ANDROID_LOG_WARN, "linker", fmt, ##x); \ 517e5a8cc5230dcc027686813e51a1b001cee4c602Elliott Hughes __libc_format_fd(2, "WARNING: linker: "); \ 527e5a8cc5230dcc027686813e51a1b001cee4c602Elliott Hughes __libc_format_fd(2, fmt, ##x); \ 537e5a8cc5230dcc027686813e51a1b001cee4c602Elliott Hughes __libc_format_fd(2, "\n"); \ 547e5a8cc5230dcc027686813e51a1b001cee4c602Elliott Hughes } while (false) 557e5a8cc5230dcc027686813e51a1b001cee4c602Elliott Hughes 560266ae5f884d72da58f33a072e865ba131234a5eElliott Hughes#if defined(__LP64__) 570266ae5f884d72da58f33a072e865ba131234a5eElliott Hughes#define ELFW(what) ELF64_ ## what 580266ae5f884d72da58f33a072e865ba131234a5eElliott Hughes#else 590266ae5f884d72da58f33a072e865ba131234a5eElliott Hughes#define ELFW(what) ELF32_ ## what 600266ae5f884d72da58f33a072e865ba131234a5eElliott Hughes#endif 61650be4e584eeab3591b9e273bfd6d169eea60853Elliott Hughes 629918665a45095ad135576f005c0e5307feb366a1Chris Dearman// mips64 interprets Elf64_Rel structures' r_info field differently. 639918665a45095ad135576f005c0e5307feb366a1Chris Dearman// bionic (like other C libraries) has macros that assume regular ELF files, 649918665a45095ad135576f005c0e5307feb366a1Chris Dearman// but the dynamic linker needs to be able to load mips64 ELF files. 659918665a45095ad135576f005c0e5307feb366a1Chris Dearman#if defined(__mips__) && defined(__LP64__) 669918665a45095ad135576f005c0e5307feb366a1Chris Dearman#undef ELF64_R_SYM 679918665a45095ad135576f005c0e5307feb366a1Chris Dearman#undef ELF64_R_TYPE 689918665a45095ad135576f005c0e5307feb366a1Chris Dearman#undef ELF64_R_INFO 699918665a45095ad135576f005c0e5307feb366a1Chris Dearman#define ELF64_R_SYM(info) (((info) >> 0) & 0xffffffff) 709918665a45095ad135576f005c0e5307feb366a1Chris Dearman#define ELF64_R_SSYM(info) (((info) >> 32) & 0xff) 719918665a45095ad135576f005c0e5307feb366a1Chris Dearman#define ELF64_R_TYPE3(info) (((info) >> 40) & 0xff) 729918665a45095ad135576f005c0e5307feb366a1Chris Dearman#define ELF64_R_TYPE2(info) (((info) >> 48) & 0xff) 739918665a45095ad135576f005c0e5307feb366a1Chris Dearman#define ELF64_R_TYPE(info) (((info) >> 56) & 0xff) 749918665a45095ad135576f005c0e5307feb366a1Chris Dearman#endif 759918665a45095ad135576f005c0e5307feb366a1Chris Dearman 761a6961650c82168864afe040dbdc05977db701dfElliott Hughes// Returns the address of the page containing address 'x'. 771a6961650c82168864afe040dbdc05977db701dfElliott Hughes#define PAGE_START(x) ((x) & PAGE_MASK) 78c1bd559d5b0fdcc25db2b6ae2705914103b24699David 'Digit' Turner 791a6961650c82168864afe040dbdc05977db701dfElliott Hughes// Returns the offset of address 'x' in its page. 801a6961650c82168864afe040dbdc05977db701dfElliott Hughes#define PAGE_OFFSET(x) ((x) & ~PAGE_MASK) 81c1bd559d5b0fdcc25db2b6ae2705914103b24699David 'Digit' Turner 821a6961650c82168864afe040dbdc05977db701dfElliott Hughes// Returns the address of the next page after address 'x', unless 'x' is 831a6961650c82168864afe040dbdc05977db701dfElliott Hughes// itself at the start of a page. 84c1bd559d5b0fdcc25db2b6ae2705914103b24699David 'Digit' Turner#define PAGE_END(x) PAGE_START((x) + (PAGE_SIZE-1)) 851dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 861dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define FLAG_LINKED 0x00000001 871dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define FLAG_EXE 0x00000004 // The main executable 88468319ce4f3f7383d788b76c09cda2a405311f36Nick Kralevich#define FLAG_LINKER 0x00000010 // The linker itself 89d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov#define FLAG_NEW_SOINFO 0x40000000 // new soinfo format 901dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 911dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define SOINFO_NAME_LEN 128 921dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 93ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughestypedef void (*linker_function_t)(); 94ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes 959918665a45095ad135576f005c0e5307feb366a1Chris Dearman// Android uses RELA for aarch64 and x86_64. mips64 still uses REL. 969918665a45095ad135576f005c0e5307feb366a1Chris Dearman#if defined(__aarch64__) || defined(__x86_64__) 974eeb1f12a8b63afc0d0ad4d466b16fbffb21cd5aElliott Hughes#define USE_RELA 1 984eeb1f12a8b63afc0d0ad4d466b16fbffb21cd5aElliott Hughes#endif 994eeb1f12a8b63afc0d0ad4d466b16fbffb21cd5aElliott Hughes 100d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanovstruct soinfo; 101d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov 102d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanovclass SoinfoListAllocator { 103d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanovpublic: 104d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov static LinkedListEntry<soinfo>* alloc(); 105d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov static void free(LinkedListEntry<soinfo>* entry); 106d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanovprivate: 107d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov // unconstructable 108d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov DISALLOW_IMPLICIT_CONSTRUCTORS(SoinfoListAllocator); 109d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov}; 110d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov 11118a206c81d9743481e364384affd43306911283dElliott Hughesstruct soinfo { 112ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes public: 113d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov typedef LinkedList<soinfo, SoinfoListAllocator> soinfo_list_t; 114d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov public: 115d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes char name[SOINFO_NAME_LEN]; 1160266ae5f884d72da58f33a072e865ba131234a5eElliott Hughes const ElfW(Phdr)* phdr; 117ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes size_t phnum; 1180266ae5f884d72da58f33a072e865ba131234a5eElliott Hughes ElfW(Addr) entry; 1190266ae5f884d72da58f33a072e865ba131234a5eElliott Hughes ElfW(Addr) base; 1205ceb889ac9a36e74e4e00c34c57cbb58d73e228cWeiwu Chen size_t size; 1211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 122c620059479c47a78d57086d73726c9adc2f337adElliott Hughes#ifndef __LP64__ 123ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes uint32_t unused1; // DO NOT USE, maintained for compatibility. 124c620059479c47a78d57086d73726c9adc2f337adElliott Hughes#endif 12538bccb271f121fc06eaa0d8fbd3c982bc44c36b7Nick Kralevich 1260266ae5f884d72da58f33a072e865ba131234a5eElliott Hughes ElfW(Dyn)* dynamic; 1271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 128c620059479c47a78d57086d73726c9adc2f337adElliott Hughes#ifndef __LP64__ 129ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes uint32_t unused2; // DO NOT USE, maintained for compatibility 130ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes uint32_t unused3; // DO NOT USE, maintained for compatibility 131c620059479c47a78d57086d73726c9adc2f337adElliott Hughes#endif 1321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 133d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes soinfo* next; 134d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes unsigned flags; 1351dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 136d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes const char* strtab; 1370266ae5f884d72da58f33a072e865ba131234a5eElliott Hughes ElfW(Sym)* symtab; 1381dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 139ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes size_t nbucket; 140ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes size_t nchain; 141d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes unsigned* bucket; 142d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes unsigned* chain; 1431dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1449918665a45095ad135576f005c0e5307feb366a1Chris Dearman#if defined(__mips__) || !defined(__LP64__) 1459918665a45095ad135576f005c0e5307feb366a1Chris Dearman // This is only used by mips and mips64, but needs to be here for 1464eeb1f12a8b63afc0d0ad4d466b16fbffb21cd5aElliott Hughes // all 32-bit architectures to preserve binary compatibility. 1479918665a45095ad135576f005c0e5307feb366a1Chris Dearman ElfW(Addr)** plt_got; 1484eeb1f12a8b63afc0d0ad4d466b16fbffb21cd5aElliott Hughes#endif 1494eeb1f12a8b63afc0d0ad4d466b16fbffb21cd5aElliott Hughes 1504eeb1f12a8b63afc0d0ad4d466b16fbffb21cd5aElliott Hughes#if defined(USE_RELA) 1510266ae5f884d72da58f33a072e865ba131234a5eElliott Hughes ElfW(Rela)* plt_rela; 152c00f2cb587630d5e954c7f548749f1e3170b3cb1Elliott Hughes size_t plt_rela_count; 153c00f2cb587630d5e954c7f548749f1e3170b3cb1Elliott Hughes 1540266ae5f884d72da58f33a072e865ba131234a5eElliott Hughes ElfW(Rela)* rela; 155c00f2cb587630d5e954c7f548749f1e3170b3cb1Elliott Hughes size_t rela_count; 156c00f2cb587630d5e954c7f548749f1e3170b3cb1Elliott Hughes#else 1570266ae5f884d72da58f33a072e865ba131234a5eElliott Hughes ElfW(Rel)* plt_rel; 158ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes size_t plt_rel_count; 1591dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1600266ae5f884d72da58f33a072e865ba131234a5eElliott Hughes ElfW(Rel)* rel; 161ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes size_t rel_count; 162c00f2cb587630d5e954c7f548749f1e3170b3cb1Elliott Hughes#endif 1631dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 164ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes linker_function_t* preinit_array; 165ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes size_t preinit_array_count; 1661dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 167ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes linker_function_t* init_array; 168ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes size_t init_array_count; 169ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes linker_function_t* fini_array; 170ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes size_t fini_array_count; 1711dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 172ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes linker_function_t init_func; 173ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes linker_function_t fini_func; 1741dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1754eeb1f12a8b63afc0d0ad4d466b16fbffb21cd5aElliott Hughes#if defined(__arm__) 176d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes // ARM EABI section used for stack unwinding. 177d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes unsigned* ARM_exidx; 178ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes size_t ARM_exidx_count; 1794eeb1f12a8b63afc0d0ad4d466b16fbffb21cd5aElliott Hughes#elif defined(__mips__) 180d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes unsigned mips_symtabno; 181d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes unsigned mips_local_gotno; 182d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes unsigned mips_gotsym; 1831dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 1841dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 185ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes size_t ref_count; 1863a9c5d66dc8d41272f51482b713717af7049697eElliott Hughes link_map link_map_head; 187e83c56dfbb6a9a61f0f18031620322af97e80162Evgeniy Stepanov 188d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes bool constructors_called; 1899ec0f03a0d0b17bbb94ac0b9fef6add28a133c3aNick Kralevich 190d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes // When you read a virtual address from the ELF file, add this 191d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes // value to get the corresponding address in the process' address space. 1920266ae5f884d72da58f33a072e865ba131234a5eElliott Hughes ElfW(Addr) load_bias; 1935ae44f302b7d1d19f25c4c6f125e32dc369961d9Ard Biesheuvel 194e4d792adb8d6f9228b9ac9dc1ad7f43b271f085fElliott Hughes#if !defined(__LP64__) 195d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes bool has_text_relocations; 196e4d792adb8d6f9228b9ac9dc1ad7f43b271f085fElliott Hughes#endif 197d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes bool has_DT_SYMBOLIC; 198d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes void CallConstructors(); 199d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes void CallDestructors(); 200d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes void CallPreInitConstructors(); 201d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes 202d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov void add_child(soinfo* child); 203d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov void remove_all_links(); 204d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov 205d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov void set_st_dev(dev_t st_dev); 206d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov void set_st_ino(ino_t st_ino); 207d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov ino_t get_st_ino(); 208d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov dev_t get_st_dev(); 209d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov 210d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov soinfo_list_t& get_children(); 211d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov 212d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes private: 213ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes void CallArray(const char* array_name, linker_function_t* functions, size_t count, bool reverse); 214ca0c11bd823f37f03cc8067cb182876827d5275aElliott Hughes void CallFunction(const char* function_name, linker_function_t function); 215d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov 216d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov private: 217d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov // This part of the structure is only available 218d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov // when FLAG_NEW_SOINFO is set in this->flags. 219d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov unsigned int version; 220d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov 221d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov dev_t st_dev; 222d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov ino_t st_ino; 223d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov 224d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov // dependency graph 225d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov soinfo_list_t children; 226d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov soinfo_list_t parents; 227d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanov 2281dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project}; 2291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 230d59e50063ad708509f3ad83350be33f5612c4f54Dmitriy Ivanovextern soinfo* get_libdl_info(); 2311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 232a4aafd156068ee174012f28cd894dbecf0e4ab90Elliott Hughesvoid do_android_get_LD_LIBRARY_PATH(char*, size_t); 233cade4c36e7c9c62db3f476a0f9cfc329bac9acb7Elliott Hughesvoid do_android_update_LD_LIBRARY_PATH(const char* ld_library_path); 2341a586293400d0e1d73e6eb82f7dfe9d2d9ed3c4bElliott Hughessoinfo* do_dlopen(const char* name, int flags, const android_dlextinfo* extinfo); 235b648a8a57ee42533a5bf127225a252f73ca2cbbcDmitriy Ivanovvoid do_dlclose(soinfo* si); 23616084168111cd7d2ac8a6b92e6fa6df5696928a5David 'Digit' Turner 2379419420919ea846bbad5510850c7aaec95021648Dmitriy IvanovElfW(Sym)* dlsym_linear_lookup(const char* name, soinfo** found, soinfo* start); 238d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughessoinfo* find_containing_library(const void* addr); 2391dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2400266ae5f884d72da58f33a072e865ba131234a5eElliott HughesElfW(Sym)* dladdr_find_symbol(soinfo* si, const void* addr); 2419419420919ea846bbad5510850c7aaec95021648Dmitriy IvanovElfW(Sym)* dlsym_handle_lookup(soinfo* si, soinfo** found, const char* name); 242d23736e4f228e46304b7cbc674a1d0094d73e0f5Elliott Hughes 243d4ee82dfa3ba01baa10e3ca48fcb31a27b8a4e81Brian Carlstromvoid debuggerd_init(); 2441728b2396591853345507a063ed6075dfd251706Elliott Hughesextern "C" abort_msg_t* g_abort_message; 24518a206c81d9743481e364384affd43306911283dElliott Hughesextern "C" void notify_gdb_of_libraries(); 2464688279db5dcc4004941e7f133c4a1c3617d842cElliott Hughes 247650be4e584eeab3591b9e273bfd6d169eea60853Elliott Hugheschar* linker_get_error_buffer(); 248650be4e584eeab3591b9e273bfd6d169eea60853Elliott Hughessize_t linker_get_error_buffer_size(); 249650be4e584eeab3591b9e273bfd6d169eea60853Elliott Hughes 2501dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 251