diff options
Diffstat (limited to 'tools/regression/tls/ttls3/tls-test-lib.c')
| -rw-r--r-- | tools/regression/tls/ttls3/tls-test-lib.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/tools/regression/tls/ttls3/tls-test-lib.c b/tools/regression/tls/ttls3/tls-test-lib.c new file mode 100644 index 0000000..bc88ad1 --- /dev/null +++ b/tools/regression/tls/ttls3/tls-test-lib.c @@ -0,0 +1,110 @@ +/*- + * Copyright (C) 2004 NVIDIA Corporation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <stdio.h> + +#define __G_TLS_OFFSETS_SIZE 8 +unsigned long int __gl_tls_offsets[__G_TLS_OFFSETS_SIZE]; + +void __gl_tls_init_offsets(); + +#ifdef __GL_TLS_SINGLE_INSTRUCTION +#define THREAD_GETMEM(num) \ +({ \ + void *__value; \ + __asm__ __volatile__ ( \ + "movl %%gs:(%1),%0" \ + : "=r" (__value) \ + : "r" (__gl_tls_offsets[num]) \ + ); \ + __value; \ +}) + +#define THREAD_SETMEM(num, value) \ +do { \ + void *__value = (value); \ + __asm__ __volatile__ ( \ + "movl %0,%%gs:(%1)" \ + : \ + : "r" (__value), \ + "r" (__gl_tls_offsets[num]) \ + ); \ +} while (0) +#else +#define __GL_TLS_GET(num) \ +({ \ + void *__dummy, *__value; \ + __asm__ __volatile__ ( \ + "movl %%gs:0,%2 \n\t" \ + "movl (%2,%1),%0 \n\t" \ + : "=r" (__value) \ + : "r" (__gl_tls_offsets[num]), \ + "r" (__dummy) \ + ); \ + __value; \ +}) + +#define __GL_TLS_SET(num, value) \ +do { \ + void *__dummy, *__value = (value); \ + __asm__ __volatile__ ( \ + "movl %%gs:0,%2 \n\t" \ + "movl %0,(%2,%1) \n\t" \ + : \ + : "r" (__value), \ + "r" (__gl_tls_offsets[num]), \ + "r" (__dummy) \ + ); \ +} while (0) +#endif + +void _init(void) +{ + __gl_tls_init_offsets(); + + __GL_TLS_SET(0, (void *) 0xff000000); + __GL_TLS_SET(1, (void *) 0xff000001); + __GL_TLS_SET(2, (void *) 0xff000002); + __GL_TLS_SET(3, (void *) 0xff000003); + __GL_TLS_SET(4, (void *) 0xff000004); + __GL_TLS_SET(5, (void *) 0xff000005); + __GL_TLS_SET(6, (void *) 0xff000006); + __GL_TLS_SET(7, (void *) 0xff000007); +} + +void __gl_tls_test(void) +{ + printf("__GL_TLS_GET(0) = %p\n", __GL_TLS_GET(0)); + printf("__GL_TLS_GET(1) = %p\n", __GL_TLS_GET(1)); + printf("__GL_TLS_GET(2) = %p\n", __GL_TLS_GET(2)); + printf("__GL_TLS_GET(3) = %p\n", __GL_TLS_GET(3)); + printf("__GL_TLS_GET(4) = %p\n", __GL_TLS_GET(4)); + printf("__GL_TLS_GET(5) = %p\n", __GL_TLS_GET(5)); + printf("__GL_TLS_GET(6) = %p\n", __GL_TLS_GET(6)); + printf("__GL_TLS_GET(7) = %p\n", __GL_TLS_GET(7)); +} |
