| 1 | /* A Generic Optimized memcpy implementation for AARCH64. |
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| 2 | Copyright (C) 2017-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | /* The actual memcpy and memmove code is in ../memcpy.S. If we are |
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| 20 | building libc this file defines __memcpy_generic and __memmove_generic. |
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| 21 | Otherwise the include of ../memcpy.S will define the normal __memcpy |
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| 22 | and__memmove entry points. */ |
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| 23 | |
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| 24 | #include <sysdep.h> |
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| 25 | |
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| 26 | #if IS_IN (libc) |
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| 27 | |
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| 28 | # define MEMCPY __memcpy_generic |
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| 29 | # define MEMMOVE __memmove_generic |
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| 30 | |
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| 31 | /* Do not hide the generic versions of memcpy and memmove, we use them |
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| 32 | internally. */ |
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| 33 | # undef libc_hidden_builtin_def |
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| 34 | # define libc_hidden_builtin_def(name) |
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| 35 | |
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| 36 | # ifdef SHARED |
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| 37 | /* It doesn't make sense to send libc-internal memcpy calls through a PLT. */ |
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| 38 | .globl __GI_memcpy; __GI_memcpy = __memcpy_generic |
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| 39 | .globl __GI_memmove; __GI_memmove = __memmove_generic |
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| 40 | # endif |
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| 41 | |
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| 42 | #endif |
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| 43 | |
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| 44 | #include "../memcpy.S" |
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| 45 | |
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