1 /* Multiple versions of __memset_chk
2 Copyright (C) 2010 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, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 #include <init-arch.h>
24 /* Define multiple versions only for the definition in lib. */
27 .section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
28 .globl __i686.get_pc_thunk.bx
29 .hidden __i686.get_pc_thunk.bx
31 .type __i686.get_pc_thunk.bx,@function
32 __i686.get_pc_thunk.bx:
38 .type __memset_chk, @gnu_indirect_function
40 cfi_adjust_cfa_offset (4)
41 cfi_rel_offset (ebx, 0)
42 call __i686.get_pc_thunk.bx
43 addl $_GLOBAL_OFFSET_TABLE_, %ebx
44 cmpl $0, KIND_OFFSET+__cpu_features@GOTOFF(%ebx)
46 call __init_cpu_features
47 1: leal __memset_chk_ia32@GOTOFF(%ebx), %eax
48 testl $bit_SSE2, CPUID_OFFSET+index_SSE2+__cpu_features@GOTOFF(%ebx)
50 leal __memset_chk_sse2@GOTOFF(%ebx), %eax
51 testl $bit_Fast_Rep_String, FEATURE_OFFSET+index_Fast_Rep_String+__cpu_features@GOTOFF(%ebx)
53 leal __memset_chk_sse2_rep@GOTOFF(%ebx), %eax
55 cfi_adjust_cfa_offset (-4)
60 strong_alias (__memset_chk, __memset_zero_constant_len_parameter)
61 .section .gnu.warning.__memset_zero_constant_len_parameter
62 .string "memset used with constant zero length parameter; this could be due to transposed parameters"
66 .type __memset_chk, @gnu_indirect_function
67 cmpl $0, KIND_OFFSET+__cpu_features
69 call __init_cpu_features
70 1: leal __memset_chk_ia32, %eax
71 testl $bit_SSE2, CPUID_OFFSET+index_SSE2+__cpu_features
73 leal __memset_chk_sse2, %eax
74 testl $bit_Fast_Rep_String, FEATURE_OFFSET+index_Fast_Rep_String+__cpu_features
76 leal __memset_chk_sse2_rep, %eax
80 .type __memset_chk_sse2, @function
90 .size __memset_chk_sse2, .-__memset_chk_sse2
92 .type __memset_chk_sse2_rep, @function
94 __memset_chk_sse2_rep:
100 jmp __memset_sse2_rep
102 .size __memset_chk_sse2_rep, .-__memset_chk_sse2_rep
104 .type __memset_chk_ia32, @function
114 .size __memset_chk_ia32, .-__memset_chk_ia32