xref: /freebsd/sys/sys/_tls_variant_i.h (revision 4d846d260e2b9a3d4d0a701462568268cbfe7a5b)
11a62e9bcSJohn Baldwin /*-
2*4d846d26SWarner Losh  * SPDX-License-Identifier: BSD-2-Clause
31a62e9bcSJohn Baldwin  *
41a62e9bcSJohn Baldwin  * Copyright (c) 2005 David Xu <davidxu@freebsd.org>.
51a62e9bcSJohn Baldwin  * All rights reserved.
61a62e9bcSJohn Baldwin  *
71a62e9bcSJohn Baldwin  * Redistribution and use in source and binary forms, with or without
81a62e9bcSJohn Baldwin  * modification, are permitted provided that the following conditions
91a62e9bcSJohn Baldwin  * are met:
101a62e9bcSJohn Baldwin  *
111a62e9bcSJohn Baldwin  * 1. Redistributions of source code must retain the above copyright
121a62e9bcSJohn Baldwin  *    notice, this list of conditions and the following disclaimer.
131a62e9bcSJohn Baldwin  * 2. Redistributions in binary form must reproduce the above copyright
141a62e9bcSJohn Baldwin  *    notice, this list of conditions and the following disclaimer in the
151a62e9bcSJohn Baldwin  *    documentation and/or other materials provided with the distribution.
161a62e9bcSJohn Baldwin  *
171a62e9bcSJohn Baldwin  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
181a62e9bcSJohn Baldwin  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
191a62e9bcSJohn Baldwin  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
201a62e9bcSJohn Baldwin  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
211a62e9bcSJohn Baldwin  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
221a62e9bcSJohn Baldwin  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
231a62e9bcSJohn Baldwin  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
241a62e9bcSJohn Baldwin  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
251a62e9bcSJohn Baldwin  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
261a62e9bcSJohn Baldwin  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
271a62e9bcSJohn Baldwin  */
281a62e9bcSJohn Baldwin 
291a62e9bcSJohn Baldwin #ifndef _SYS_TLS_VARIANT_I_H_
301a62e9bcSJohn Baldwin #define	_SYS_TLS_VARIANT_I_H_
311a62e9bcSJohn Baldwin 
321a62e9bcSJohn Baldwin /*
331a62e9bcSJohn Baldwin  * Variant I TLS uses the same TCB layout across architectures.
341a62e9bcSJohn Baldwin  */
351a62e9bcSJohn Baldwin 
361a62e9bcSJohn Baldwin #define	TLS_VARIANT_I
371a62e9bcSJohn Baldwin 
381a62e9bcSJohn Baldwin struct pthread;
391a62e9bcSJohn Baldwin 
401a62e9bcSJohn Baldwin struct tcb {
411a62e9bcSJohn Baldwin 	uintptr_t		*tcb_dtv;	/* required by rtld */
421a62e9bcSJohn Baldwin 	struct pthread		*tcb_thread;
431a62e9bcSJohn Baldwin };
441a62e9bcSJohn Baldwin 
451a62e9bcSJohn Baldwin #define	TLS_TCB_SIZE	sizeof(struct tcb)
461a62e9bcSJohn Baldwin 
471a62e9bcSJohn Baldwin #endif /* !_SYS_TLS_VARIANT_I_H_ */
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