mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-03 04:01:43 +08:00
45 lines
1.6 KiB
ArmAsm
45 lines
1.6 KiB
ArmAsm
/* Multiple versions of __memset_chk
|
|
Copyright (C) 2010 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <sysdep.h>
|
|
#include <init-arch.h>
|
|
|
|
/* Define multiple versions only for the definition in lib. */
|
|
#ifndef NOT_IN_libc
|
|
# ifdef SHARED
|
|
ENTRY(__memset_chk)
|
|
.type __memset_chk, @gnu_indirect_function
|
|
cmpl $0, __cpu_features+KIND_OFFSET(%rip)
|
|
jne 1f
|
|
call __init_cpu_features
|
|
1: leaq __memset_chk_x86_64(%rip), %rax
|
|
testl $bit_Prefer_SSE_for_memop, __cpu_features+FEATURE_OFFSET+index_Prefer_SSE_for_memop(%rip)
|
|
jz 2f
|
|
leaq __memset_chk_sse2(%rip), %rax
|
|
2: ret
|
|
END(__memset_chk)
|
|
|
|
strong_alias (__memset_chk, __memset_zero_constant_len_parameter)
|
|
.section .gnu.warning.__memset_zero_constant_len_parameter
|
|
.string "memset used with constant zero length parameter; this could be due to transposed parameters"
|
|
# else
|
|
# include "../memset_chk.S"
|
|
# endif
|
|
#endif
|