1 /* Multiple versions of __memset_chk
2 Copyright (C) 2010, 2012 Free Software Foundation, Inc.
3 Contributed by Intel Corporation.
4 This file is part of the GNU C Library.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
21 #include <init-arch.h>
23 /* Define multiple versions only for the definition in lib. */
28 .type __memset_chk, @gnu_indirect_function
30 cfi_adjust_cfa_offset (4)
31 cfi_rel_offset (ebx, 0)
33 cmpl $0, KIND_OFFSET+__cpu_features@GOTOFF(%ebx)
35 call __init_cpu_features
36 1: leal __memset_chk_ia32@GOTOFF(%ebx), %eax
37 testl $bit_SSE2, CPUID_OFFSET+index_SSE2+__cpu_features@GOTOFF(%ebx)
39 leal __memset_chk_sse2@GOTOFF(%ebx), %eax
40 testl $bit_Fast_Rep_String, FEATURE_OFFSET+index_Fast_Rep_String+__cpu_features@GOTOFF(%ebx)
42 leal __memset_chk_sse2_rep@GOTOFF(%ebx), %eax
44 cfi_adjust_cfa_offset (-4)
49 strong_alias (__memset_chk, __memset_zero_constant_len_parameter)
50 .section .gnu.warning.__memset_zero_constant_len_parameter
51 .string "memset used with constant zero length parameter; this could be due to transposed parameters"
55 .type __memset_chk, @gnu_indirect_function
56 cmpl $0, KIND_OFFSET+__cpu_features
58 call __init_cpu_features
59 1: leal __memset_chk_ia32, %eax
60 testl $bit_SSE2, CPUID_OFFSET+index_SSE2+__cpu_features
62 leal __memset_chk_sse2, %eax
63 testl $bit_Fast_Rep_String, FEATURE_OFFSET+index_Fast_Rep_String+__cpu_features
65 leal __memset_chk_sse2_rep, %eax
69 .type __memset_chk_sse2, @function
79 .size __memset_chk_sse2, .-__memset_chk_sse2
81 .type __memset_chk_sse2_rep, @function
83 __memset_chk_sse2_rep:
91 .size __memset_chk_sse2_rep, .-__memset_chk_sse2_rep
93 .type __memset_chk_ia32, @function
103 .size __memset_chk_ia32, .-__memset_chk_ia32