1/* 2 * Copyright (c) 2003 Daniel Eischen <deischen@freebsd.org> 3 * Copyright (c) 2006 Marcel Moolenaar 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Neither the name of the author nor the names of its contributors 13 * may be used to endorse or promote products derived from this software 14 * without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30#include <stdlib.h> 31#include <strings.h> 32 33#include "rtld_tls.h" 34#include "pthread_md.h" 35 36/* 37 * The constructors. 38 */ 39struct tcb * 40_tcb_ctor(struct pthread *thread, int initial) 41{ 42 register char *tp __asm("%r13"); 43 struct tcb *tcb; 44 45 tcb = _rtld_allocate_tls((initial) ? tp : NULL, 46 sizeof(struct tcb), 16); 47 if (tcb == NULL) 48 return (NULL); 49 tcb->tcb_thread = thread; 50 return (tcb); 51} 52 53void 54_tcb_dtor(struct tcb *tcb) 55{ 56 57 _rtld_free_tls(tcb, sizeof(struct tcb), 16); 58} 59 60struct kcb * 61_kcb_ctor(struct kse *kse) 62{ 63 struct kcb *kcb; 64 65 kcb = malloc(sizeof(struct kcb)); 66 if (kcb == NULL) 67 return (NULL); 68 bzero(kcb, sizeof(struct kcb)); 69 kcb->kcb_kse = kse; 70 kcb->kcb_faketcb.tcb_isfake = 1; 71 kcb->kcb_faketcb.tcb_tmbx.tm_flags = TMF_NOUPCALL; 72 kcb->kcb_curtcb = &kcb->kcb_faketcb; 73 return (kcb); 74} 75 76void 77_kcb_dtor(struct kcb *kcb) 78{ 79 free(kcb); 80} 81