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