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. 4 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. 9 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. 14 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 18 02111-1307 USA. */ 19 20 #ifndef _TLS_H 21 22 /* Additional definitions for <tls.h> on i686 and up. */ 23 24 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)) 31 32 33 /* Get the full set of definitions. */ 34 #include "../tls.h" 35 36 #endif /* tls.h */ 37