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39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <stdint.h>
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#include <elf.h>
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/* The Android NDK headers define those */
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#undef Elf_Ehdr
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#undef Elf_Addr
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#if BITS == 32
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#define Elf_Ehdr Elf32_Ehdr
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#define Elf_Addr Elf32_Addr
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#else
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#define Elf_Ehdr Elf64_Ehdr
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#define Elf_Addr Elf64_Addr
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#endif
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extern __attribute__((visibility("hidden"))) void original_init(int argc, char **argv, char **env);
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extern __attribute__((visibility("hidden"))) Elf32_Rel relhack[];
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extern __attribute__((visibility("hidden"))) Elf_Ehdr elf_header;
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void init(int argc, char **argv, char **env)
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{
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Elf32_Rel *rel;
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Elf_Addr *ptr, *start;
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for (rel = relhack; rel->r_offset; rel++) {
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start = (Elf_Addr *)((intptr_t)&elf_header + rel->r_offset);
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for (ptr = start; ptr < &start[rel->r_info]; ptr++)
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*ptr += (intptr_t)&elf_header;
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}
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#ifndef NOINIT
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original_init(argc, argv, env);
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#endif
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}
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