/* Checking memcpy for i386. Copyright (C) 2004-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #ifndef SHARED # include # include "asm-syntax.h" /* For libc.so this is defined in memcpy.S. For libc.a, this is a separate source to avoid memcpy bringing in __chk_fail and all routines it calls. */ .text ENTRY (__memcpy_chk) movl 12(%esp), %eax cmpl %eax, 16(%esp) jb __chk_fail jmp memcpy END (__memcpy_chk) #endif