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/* Helpers to test XSTATE during signal handling
Copyright (C) 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 _TEST_XSTATE_H
#define _TEST_XSTATE_H
#if defined __x86_64__ || defined __i386__
#define XSTATE_HELPERS_SUPPORTED 1
#define XSTATE_BUFFER_SIZE 16
#define SET_XSTATE(b) do { \
asm volatile ("movups (%0),%%xmm0" :: "r" (b)); \
} while (0)
#define GET_XSTATE(b) do { \
asm volatile ("movups %%xmm0,(%0)" :: "r" (b)); \
} while (0)
#else
#define XSTATE_HELPERS_SUPPORTED 0
#define XSTATE_BUFFER_SIZE 1
#define SET_XSTATE(b)
#endif
#endif /* _TEST_XSTATE_H */
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