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72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is elfhack.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mike Hommey <mh@glandium.org>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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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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