File: dl-symbol-redir-ifunc.h

package info (click to toggle)
glibc 2.41-9
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 300,164 kB
  • sloc: ansic: 1,050,507; asm: 238,242; makefile: 20,378; python: 13,537; sh: 11,812; cpp: 5,197; awk: 1,795; perl: 317; yacc: 292; pascal: 182; sed: 19
file content (49 lines) | stat: -rw-r--r-- 1,572 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
/* Symbol rediretion for loader/static initialization code.
   Copyright (C) 2022-2025 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
   <https://www.gnu.org/licenses/>.  */

#ifndef _DL_IFUNC_GENERIC_H
#define _DL_IFUNC_GENERIC_H

#ifndef SHARED

#include <isa-level.h>

#if MINIMUM_X86_ISA_LEVEL >= 4
# define HAVE_MEMSET_IFUNC_GENERIC "__memset_evex_unaligned"
#elif MINIMUM_X86_ISA_LEVEL == 3
# define HAVE_MEMSET_IFUNC_GENERIC "__memset_avx2_unaligned"
#else
# define HAVE_MEMSET_IFUNC_GENERIC "__memset_sse2_unaligned"
#endif

asm ("memset = " HAVE_MEMSET_IFUNC_GENERIC);


#if MINIMUM_X86_ISA_LEVEL >= 4
# define HAVE_MEMCMP_IFUNC_GENERIC "__memcmp_evex_movbe"
#elif MINIMUM_X86_ISA_LEVEL == 3
# define HAVE_MEMCMP_IFUNC_GENERIC "__memcmp_avx2_movbe"
#else
# define HAVE_MEMCMP_IFUNC_GENERIC "__memcmp_sse2"
#endif

asm ("memcmp = " HAVE_MEMCMP_IFUNC_GENERIC);

#endif /* SHARED */

#endif