1951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 20fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsieh * Copyright (C) 2012 The Android Open Source Project 3951a39d68df598db08dfced8b4707755864a0492Ying Wang * All rights reserved. 4951a39d68df598db08dfced8b4707755864a0492Ying Wang * 5951a39d68df598db08dfced8b4707755864a0492Ying Wang * Redistribution and use in source and binary forms, with or without 6951a39d68df598db08dfced8b4707755864a0492Ying Wang * modification, are permitted provided that the following conditions 7951a39d68df598db08dfced8b4707755864a0492Ying Wang * are met: 8951a39d68df598db08dfced8b4707755864a0492Ying Wang * * Redistributions of source code must retain the above copyright 9951a39d68df598db08dfced8b4707755864a0492Ying Wang * notice, this list of conditions and the following disclaimer. 10951a39d68df598db08dfced8b4707755864a0492Ying Wang * * Redistributions in binary form must reproduce the above copyright 11951a39d68df598db08dfced8b4707755864a0492Ying Wang * notice, this list of conditions and the following disclaimer in 12951a39d68df598db08dfced8b4707755864a0492Ying Wang * the documentation and/or other materials provided with the 13951a39d68df598db08dfced8b4707755864a0492Ying Wang * distribution. 14951a39d68df598db08dfced8b4707755864a0492Ying Wang * 15951a39d68df598db08dfced8b4707755864a0492Ying Wang * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16951a39d68df598db08dfced8b4707755864a0492Ying Wang * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17951a39d68df598db08dfced8b4707755864a0492Ying Wang * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18951a39d68df598db08dfced8b4707755864a0492Ying Wang * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19951a39d68df598db08dfced8b4707755864a0492Ying Wang * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20951a39d68df598db08dfced8b4707755864a0492Ying Wang * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21951a39d68df598db08dfced8b4707755864a0492Ying Wang * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22951a39d68df598db08dfced8b4707755864a0492Ying Wang * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23951a39d68df598db08dfced8b4707755864a0492Ying Wang * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24951a39d68df598db08dfced8b4707755864a0492Ying Wang * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25951a39d68df598db08dfced8b4707755864a0492Ying Wang * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26951a39d68df598db08dfced8b4707755864a0492Ying Wang * SUCH DAMAGE. 27951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 280fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsieh#ifndef _LINK_H_ 290fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsieh#define _LINK_H_ 30951a39d68df598db08dfced8b4707755864a0492Ying Wang 31951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <sys/types.h> 320fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsieh#include <elf.h> 33951a39d68df598db08dfced8b4707755864a0492Ying Wang 34951a39d68df598db08dfced8b4707755864a0492Ying Wang__BEGIN_DECLS 35951a39d68df598db08dfced8b4707755864a0492Ying Wang 360fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsieh/* bionic is currently only 32-bit. */ 370fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsieh#define ElfW(type) Elf32_##type 38951a39d68df598db08dfced8b4707755864a0492Ying Wang 390fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsiehstruct dl_phdr_info { 400fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsieh ElfW(Addr) dlpi_addr; 410fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsieh const char* dlpi_name; 420fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsieh const ElfW(Phdr)* dlpi_phdr; 430fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsieh ElfW(Half) dlpi_phnum; 440fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsieh}; 450fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsieh 460fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsieh#ifdef __arm__ 470fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsiehtypedef long unsigned int* _Unwind_Ptr; 480fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsieh_Unwind_Ptr dl_unwind_find_exidx(_Unwind_Ptr pc, int* pcount); 490fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsieh#else 500fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsiehint dl_iterate_phdr(int (*cb)(struct dl_phdr_info*, size_t, void*), void*); 510fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsieh#endif 52951a39d68df598db08dfced8b4707755864a0492Ying Wang 53951a39d68df598db08dfced8b4707755864a0492Ying Wang__END_DECLS 54951a39d68df598db08dfced8b4707755864a0492Ying Wang 550fd55ba58eee50c65bc52ce44f7374e91ac83b54Andrew Hsieh#endif /* _LINK_H_ */ 56