source: mainline/uspace/lib/c/arch/ia64/include/libarch/tls.h

Last change on this file was a949f4a, checked in by Jiri Svoboda <jiri@…>, 6 years ago

Dynamic linking on IA-64 (WIP)

  • Property mode set to 100644
File size: 1.9 KB
Line 
1/*
2 * Copyright (c) 2006 Jakub Jermar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup libcia64
30 * @{
31 */
32/** @file
33 */
34
35#ifndef _LIBC_ia64_TLS_H_
36#define _LIBC_ia64_TLS_H_
37
38#define CONFIG_TLS_VARIANT_1
39
40#define ARCH_TP_OFFSET 0
41
42/* This structure must be exactly 16 bytes long */
43typedef struct {
44 void **dtv;
45 void *fibril_data;
46} tcb_t;
47
48static inline void __tcb_raw_set(void *tcb)
49{
50 asm volatile ("mov r13 = %0\n" : : "r" (tcb) : "r13");
51}
52
53static inline void *__tcb_raw_get(void)
54{
55 void *retval;
56 asm volatile ("mov %0 = r13\n" : "=r" (retval));
57 return retval;
58}
59
60#endif
61
62/** @}
63 */
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