Blame sysdeps/i386/memmove_chk.S

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