2 * Copyright (C) 2004 NVIDIA Corporation.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #define __G_TLS_OFFSETS_SIZE 8
32 unsigned long int __gl_tls_offsets[__G_TLS_OFFSETS_SIZE];
34 void __gl_tls_init_offsets();
36 #ifdef __GL_TLS_SINGLE_INSTRUCTION
37 #define THREAD_GETMEM(num) \
40 __asm__ __volatile__ ( \
43 : "r" (__gl_tls_offsets[num]) \
48 #define THREAD_SETMEM(num, value) \
50 void *__value = (value); \
51 __asm__ __volatile__ ( \
55 "r" (__gl_tls_offsets[num]) \
59 #define __GL_TLS_GET(num) \
61 void *__dummy, *__value; \
62 __asm__ __volatile__ ( \
63 "movl %%gs:0,%2 \n\t" \
64 "movl (%2,%1),%0 \n\t" \
66 : "r" (__gl_tls_offsets[num]), \
72 #define __GL_TLS_SET(num, value) \
74 void *__dummy, *__value = (value); \
75 __asm__ __volatile__ ( \
76 "movl %%gs:0,%2 \n\t" \
77 "movl %0,(%2,%1) \n\t" \
80 "r" (__gl_tls_offsets[num]), \
88 __gl_tls_init_offsets();
90 __GL_TLS_SET(0, (void *) 0xff000000);
91 __GL_TLS_SET(1, (void *) 0xff000001);
92 __GL_TLS_SET(2, (void *) 0xff000002);
93 __GL_TLS_SET(3, (void *) 0xff000003);
94 __GL_TLS_SET(4, (void *) 0xff000004);
95 __GL_TLS_SET(5, (void *) 0xff000005);
96 __GL_TLS_SET(6, (void *) 0xff000006);
97 __GL_TLS_SET(7, (void *) 0xff000007);
100 void __gl_tls_test(void)
102 printf("__GL_TLS_GET(0) = %p\n", __GL_TLS_GET(0));
103 printf("__GL_TLS_GET(1) = %p\n", __GL_TLS_GET(1));
104 printf("__GL_TLS_GET(2) = %p\n", __GL_TLS_GET(2));
105 printf("__GL_TLS_GET(3) = %p\n", __GL_TLS_GET(3));
106 printf("__GL_TLS_GET(4) = %p\n", __GL_TLS_GET(4));
107 printf("__GL_TLS_GET(5) = %p\n", __GL_TLS_GET(5));
108 printf("__GL_TLS_GET(6) = %p\n", __GL_TLS_GET(6));
109 printf("__GL_TLS_GET(7) = %p\n", __GL_TLS_GET(7));