glibc/sysdeps/s390/multiarch/ifunc-resolve.h

36 lines
1.4 KiB
C

/* IFUNC resolver function for CPU specific functions.
32/64 bit S/390 version.
Copyright (C) 2015-2024 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/>. */
#include <unistd.h>
#include <dl-procinfo.h>
#include <cpu-features.h>
#define s390_libc_ifunc_expr_stfle_init() \
const unsigned long long *stfle_bits = features->stfle_bits;
#define s390_libc_ifunc_expr_init() \
const struct cpu_features *features = &GLRO(dl_s390_cpu_features); \
/* The hwcap from kernel is passed as argument, but we \
explicitly use the hwcaps from cpu-features struct. */ \
hwcap = features->hwcap;
#define s390_libc_ifunc_expr(TYPE_FUNC, FUNC, EXPR) \
__ifunc (TYPE_FUNC, FUNC, EXPR, unsigned long int hwcap, \
s390_libc_ifunc_expr_init);