| xf.li | bfc6e71 | 2025-02-07 01:54:34 -0800 | [diff] [blame^] | 1 | /* Checking mempcpy for i386 |
| 2 | Copyright (C) 2004-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #ifndef SHARED |
| 20 | # include <sysdep.h> |
| 21 | # include "asm-syntax.h" |
| 22 | |
| 23 | /* For libc.so this is defined in mempcpy.S. For libc.a, this is a |
| 24 | separate source to avoid mempcpy bringing in __chk_fail and all |
| 25 | routines it calls. */ |
| 26 | .text |
| 27 | ENTRY (__mempcpy_chk) |
| 28 | movl 12(%esp), %eax |
| 29 | cmpl %eax, 16(%esp) |
| 30 | jb __chk_fail |
| 31 | jmp mempcpy |
| 32 | END (__mempcpy_chk) |
| 33 | #endif |