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b168057a | 1 | /* Copyright (C) 2002-2015 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
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17 | |
18 | #include <sysdep.h> | |
19 | ||
20 | .text | |
21 | .type _exit,@function | |
22 | .global _exit | |
23 | _exit: | |
24 | movl 4(%esp), %ebx | |
25 | ||
26 | /* Try the new syscall first. */ | |
27 | #ifdef __NR_exit_group | |
28 | movl $__NR_exit_group, %eax | |
097eca29 | 29 | ENTER_KERNEL |
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30 | #endif |
31 | ||
32 | /* Not available. Now the old one. */ | |
33 | movl $__NR_exit, %eax | |
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34 | /* Don't bother using ENTER_KERNEL here. If the exit_group |
35 | syscall is not available AT_SYSINFO isn't either. */ | |
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36 | int $0x80 |
37 | ||
38 | /* This must not fail. Be sure we don't return. */ | |
39 | hlt | |
40 | .size _exit,.-_exit | |
41 | ||
28c336c3 | 42 | libc_hidden_def (_exit) |
af85d409 | 43 | rtld_hidden_def (_exit) |
28c336c3 | 44 | weak_alias (_exit, _Exit) |