1144518Sdavidxu/*- 2144518Sdavidxu * Copyright (c) 2003 Jake Burkholder <jake@freebsd.org>. 3144518Sdavidxu * Copyright (c) 2003 Marcel Moolenaar 4144518Sdavidxu * All rights reserved. 5144518Sdavidxu * 6144518Sdavidxu * Redistribution and use in source and binary forms, with or without 7144518Sdavidxu * modification, are permitted provided that the following conditions 8144518Sdavidxu * are met: 9144518Sdavidxu * 10144518Sdavidxu * 1. Redistributions of source code must retain the above copyright 11144518Sdavidxu * notice, this list of conditions and the following disclaimer. 12144518Sdavidxu * 2. Redistributions in binary form must reproduce the above copyright 13144518Sdavidxu * notice, this list of conditions and the following disclaimer in the 14144518Sdavidxu * documentation and/or other materials provided with the distribution. 15144518Sdavidxu * 16144518Sdavidxu * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17144518Sdavidxu * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18144518Sdavidxu * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19144518Sdavidxu * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20144518Sdavidxu * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21144518Sdavidxu * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22144518Sdavidxu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23144518Sdavidxu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24144518Sdavidxu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25144518Sdavidxu * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26144518Sdavidxu * 27144518Sdavidxu * $FreeBSD: releng/11.0/lib/libthr/arch/sparc64/include/pthread_md.h 277490 2015-01-21 16:41:05Z andrew $ 28144518Sdavidxu */ 29144518Sdavidxu 30144518Sdavidxu/* 31144518Sdavidxu * Machine-dependent thread prototypes/definitions. 32144518Sdavidxu */ 33144518Sdavidxu#ifndef _PTHREAD_MD_H_ 34144518Sdavidxu#define _PTHREAD_MD_H_ 35144518Sdavidxu 36144518Sdavidxu#include <stddef.h> 37144518Sdavidxu 38165241Sdavidxu#define CPU_SPINWAIT 39165241Sdavidxu 40144518Sdavidxu#define DTV_OFFSET offsetof(struct tcb, tcb_dtv) 41144518Sdavidxu 42144518Sdavidxu/* 43144518Sdavidxu * Variant II tcb, first two members are required by rtld. 44144518Sdavidxu * %g7 points to the structure. 45144518Sdavidxu */ 46144518Sdavidxustruct tcb { 47176225Sobrien struct tcb *tcb_self; /* required by rtld */ 48176225Sobrien void *tcb_dtv; /* required by rtld */ 49176225Sobrien struct pthread *tcb_thread; /* our hook */ 50144518Sdavidxu void *tcb_spare[1]; 51144518Sdavidxu}; 52144518Sdavidxu 53144518Sdavidxu/* Called from the thread to set its private data. */ 54144518Sdavidxustatic __inline void 55144518Sdavidxu_tcb_set(struct tcb *tcb) 56144518Sdavidxu{ 57223228Smarius 58223228Smarius __asm __volatile("mov %0, %%g7" : : "r" (tcb)); 59144518Sdavidxu} 60144518Sdavidxu 61144518Sdavidxustatic __inline struct tcb * 62144518Sdavidxu_tcb_get(void) 63144518Sdavidxu{ 64223228Smarius register struct tcb *tp __asm("%g7"); 65223228Smarius 66223228Smarius return (tp); 67144518Sdavidxu} 68144518Sdavidxu 69144518Sdavidxustatic __inline struct pthread * 70144518Sdavidxu_get_curthread(void) 71144518Sdavidxu{ 72223228Smarius 73223228Smarius return (_tcb_get()->tcb_thread); 74144518Sdavidxu} 75144518Sdavidxu 76223228Smarius#define HAS__UMTX_OP_ERR 1 77223228Smarius 78144518Sdavidxu#endif /* _PTHREAD_MD_H_ */ 79