mirror of https://github.com/topjohnwu/Magisk
86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
// Copyright (c) 2018-present, iQIYI, Inc. All rights reserved.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
// SOFTWARE.
|
|
//
|
|
|
|
// Created by caikelun on 2018-04-11.
|
|
|
|
#ifndef XH_ELF_H
|
|
#define XH_ELF_H 1
|
|
|
|
#include <stdint.h>
|
|
#include <elf.h>
|
|
#include <link.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct
|
|
{
|
|
const char *pathname;
|
|
|
|
ElfW(Addr) base_addr;
|
|
ElfW(Addr) bias_addr;
|
|
|
|
ElfW(Ehdr) *ehdr;
|
|
ElfW(Phdr) *phdr;
|
|
|
|
ElfW(Dyn) *dyn; //.dynamic
|
|
ElfW(Word) dyn_sz;
|
|
|
|
const char *strtab; //.dynstr (string-table)
|
|
ElfW(Sym) *symtab; //.dynsym (symbol-index to string-table's offset)
|
|
|
|
ElfW(Addr) relplt; //.rel.plt or .rela.plt
|
|
ElfW(Word) relplt_sz;
|
|
|
|
ElfW(Addr) reldyn; //.rel.dyn or .rela.dyn
|
|
ElfW(Word) reldyn_sz;
|
|
|
|
ElfW(Addr) relandroid; //android compressed rel or rela
|
|
ElfW(Word) relandroid_sz;
|
|
|
|
//for ELF hash
|
|
uint32_t *bucket;
|
|
uint32_t bucket_cnt;
|
|
uint32_t *chain;
|
|
uint32_t chain_cnt; //invalid for GNU hash
|
|
|
|
//append for GNU hash
|
|
uint32_t symoffset;
|
|
ElfW(Addr) *bloom;
|
|
uint32_t bloom_sz;
|
|
uint32_t bloom_shift;
|
|
|
|
int is_use_rela;
|
|
int is_use_gnu_hash;
|
|
} xh_elf_t;
|
|
|
|
int xh_elf_init(xh_elf_t *self, uintptr_t base_addr, const char *pathname);
|
|
int xh_elf_hook(xh_elf_t *self, const char *symbol, void *new_func, void **old_func);
|
|
|
|
int xh_elf_check_elfheader(uintptr_t base_addr);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|