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/* x86 version of hardware capability information handling macros.
Copyright (C) 2017-2021 Free Software Foundation, Inc.
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_HWCAP_H
#define _DL_HWCAP_H
#if IS_IN (ldconfig)
/* Since ldconfig processes both i386 and x86-64 libraries, it needs
to cover all platforms and hardware capabilities. */
# define HWCAP_PLATFORMS_START 0
# define HWCAP_PLATFORMS_COUNT 4
# define HWCAP_START 0
# define HWCAP_COUNT 3
# define HWCAP_IMPORTANT \
(HWCAP_X86_SSE2 | HWCAP_X86_64 | HWCAP_X86_AVX512_1)
#elif defined __x86_64__
/* For 64 bit, only cover x86-64 platforms and capabilities. */
# define HWCAP_PLATFORMS_START 2
# define HWCAP_PLATFORMS_COUNT 4
# define HWCAP_START 1
# define HWCAP_COUNT 3
# define HWCAP_IMPORTANT (HWCAP_X86_64 | HWCAP_X86_AVX512_1)
#else
/* For 32 bit, only cover i586, i686 and SSE2. */
# define HWCAP_PLATFORMS_START 0
# define HWCAP_PLATFORMS_COUNT 2
# define HWCAP_START 0
# define HWCAP_COUNT 1
# define HWCAP_IMPORTANT (HWCAP_X86_SSE2)
#endif
enum
{
HWCAP_X86_SSE2 = 1 << 0,
HWCAP_X86_64 = 1 << 1,
HWCAP_X86_AVX512_1 = 1 << 2
};
static inline const char *
__attribute__ ((unused))
_dl_hwcap_string (int idx)
{
return GLRO(dl_x86_hwcap_flags)[idx];
};
static inline int
__attribute__ ((unused, always_inline))
_dl_string_hwcap (const char *str)
{
int i;
for (i = HWCAP_START; i < HWCAP_COUNT; i++)
{
if (strcmp (str, GLRO(dl_x86_hwcap_flags)[i]) == 0)
return i;
}
return -1;
};
/* We cannot provide a general printing function. */
#define _dl_procinfo(type, word) -1
#endif /* dl-hwcap.h */
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