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/*
* Copyright (C) 2012 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _LINK_H_
#define _LINK_H_
#include <stdint.h>
#include <sys/cdefs.h>
#include <sys/types.h>
#include <elf.h>
__BEGIN_DECLS
#if defined(__LP64__)
#define ElfW(type) Elf64_ ## type
#else
#define ElfW(type) Elf32_ ## type
#endif
struct dl_phdr_info {
ElfW(Addr) dlpi_addr;
const char* dlpi_name;
const ElfW(Phdr)* dlpi_phdr;
ElfW(Half) dlpi_phnum;
// These fields were added in Android R.
unsigned long long dlpi_adds;
unsigned long long dlpi_subs;
size_t dlpi_tls_modid;
void* dlpi_tls_data;
};
#if defined(__arm__)
int dl_iterate_phdr(int (*__callback)(struct dl_phdr_info*, size_t, void*), void* __data) __INTRODUCED_IN(21);
#else
int dl_iterate_phdr(int (*__callback)(struct dl_phdr_info*, size_t, void*), void* __data);
#endif
#ifdef __arm__
typedef uintptr_t _Unwind_Ptr;
_Unwind_Ptr dl_unwind_find_exidx(_Unwind_Ptr, int*);
#endif
/* Used by the dynamic linker to communicate with the debugger. */
struct link_map {
ElfW(Addr) l_addr;
char* l_name;
ElfW(Dyn)* l_ld;
struct link_map* l_next;
struct link_map* l_prev;
};
/* Used by the dynamic linker to communicate with the debugger. */
struct r_debug {
int32_t r_version;
struct link_map* r_map;
ElfW(Addr) r_brk;
enum {
RT_CONSISTENT,
RT_ADD,
RT_DELETE
} r_state;
ElfW(Addr) r_ldbase;
};
__END_DECLS
#endif