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3af48cbd | 1 | /* Multiple versions of __mempcpy_chk |
b090e8ea | 2 | All versions must be listed in ifunc-impl-list.c. |
f7a9f785 | 3 | Copyright (C) 2010-2016 Free Software Foundation, Inc. |
3af48cbd L |
4 | Contributed by Intel Corporation. |
5 | This file is part of the GNU C Library. | |
6 | ||
7 | The GNU C Library is free software; you can redistribute it and/or | |
8 | modify it under the terms of the GNU Lesser General Public | |
9 | License as published by the Free Software Foundation; either | |
10 | version 2.1 of the License, or (at your option) any later version. | |
11 | ||
12 | The GNU C Library is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
18 | License along with the GNU C Library; if not, see |
19 | <http://www.gnu.org/licenses/>. */ | |
3af48cbd L |
20 | |
21 | #include <sysdep.h> | |
22 | #include <init-arch.h> | |
23 | ||
24 | /* Define multiple versions only for the definition in lib and for | |
25 | DSO. There are no multiarch mempcpy functions for static binaries. | |
26 | */ | |
4f41c682 | 27 | #if IS_IN (libc) |
3af48cbd | 28 | # ifdef SHARED |
3af48cbd L |
29 | .text |
30 | ENTRY(__mempcpy_chk) | |
31 | .type __mempcpy_chk, @gnu_indirect_function | |
1aee37a2 L |
32 | LOAD_GOT_AND_RTLD_GLOBAL_RO |
33 | LOAD_FUNC_GOT_EAX (__mempcpy_chk_ia32) | |
34 | HAS_CPU_FEATURE (SSE2) | |
8b4416d8 | 35 | jz 2f |
1aee37a2 L |
36 | LOAD_FUNC_GOT_EAX (__mempcpy_chk_sse2_unaligned) |
37 | HAS_ARCH_FEATURE (Fast_Unaligned_Load) | |
8b4416d8 | 38 | jnz 2f |
1aee37a2 | 39 | HAS_CPU_FEATURE (SSSE3) |
3af48cbd | 40 | jz 2f |
1aee37a2 L |
41 | LOAD_FUNC_GOT_EAX (__mempcpy_chk_ssse3) |
42 | HAS_CPU_FEATURE (Fast_Rep_String) | |
3af48cbd | 43 | jz 2f |
1aee37a2 L |
44 | LOAD_FUNC_GOT_EAX (__mempcpy_chk_ssse3_rep) |
45 | 2: ret | |
3af48cbd L |
46 | END(__mempcpy_chk) |
47 | # else | |
48 | # include "../mempcpy_chk.S" | |
49 | # endif | |
50 | #endif |