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