/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2019 The FreeBSD Foundation * * This software was developed by Konstantin Belousov <kib@FreeBSD.org> * under sponsorship from the FreeBSD Foundation. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _LIBC_MIPS_STATIC_TLS_H #define _LIBC_MIPS_STATIC_TLS_H #include <machine/tls.h> static __inline uintptr_t _libc_get_static_tls_base(size_t offset) { uintptr_t tlsbase; #if defined(__mips_n64) __asm__ __volatile__ ( ".set\tpush\n\t" ".set\tmips64r2\n\t" "rdhwr\t%0, $29\n\t" ".set\tpop" : "=r" (tlsbase)); tlsbase -= TLS_TP_OFFSET + TLS_TCB_SIZE; #else /* mips 32 */ __asm__ __volatile__ ( ".set\tpush\n\t" ".set\tmips32r2\n\t" "rdhwr\t%0, $29\n\t" ".set\tpop" : "=r" (tlsbase)); tlsbase -= TLS_TP_OFFSET + TLS_TCB_SIZE; #endif /* ! __mips_n64 */ tlsbase += offset; return (tlsbase); } #endif |