1 /* Copyright (C) 2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 /* Additional definitions for <tls.h> on i686 and up. */
25 /* Macros to load from and store into segment registers. We can use
26 the 32-bit instructions. */
27 #define TLS_GET_GS() \
28 ({ int __seg; __asm ("movl %%gs, %0" : "=q" (__seg)); __seg; })
29 #define TLS_SET_GS(val) \
30 __asm ("movl %0, %%gs" :: "q" (val))
33 /* Get the full set of definitions. */