diff options
Diffstat (limited to 'nptl/sysdeps/x86_64')
| -rw-r--r-- | nptl/sysdeps/x86_64/tls.h | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/nptl/sysdeps/x86_64/tls.h b/nptl/sysdeps/x86_64/tls.h index af4ad17abd..7a6394415c 100644 --- a/nptl/sysdeps/x86_64/tls.h +++ b/nptl/sysdeps/x86_64/tls.h @@ -1,5 +1,5 @@ /* Definition for thread-local data handling. nptl/x86_64 version. - Copyright (C) 2002 Free Software Foundation, Inc. + Copyright (C) 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -120,8 +120,15 @@ union user_desc_init (((tcbhead_t *) (descr))->dtv) +/* Macros to load from and store into segment registers. */ +# define TLS_GET_FS() \ + ({ int __seg; __asm ("movl %%fs, %0" : "=q" (__seg)); __seg; }) +# define TLS_SET_FS(val) \ + __asm ("movl %0, %%fs" :: "q" (val)) + + # ifndef __NR_set_thread_area -# define __NR_set_thread_area 243 +# define __NR_set_thread_area 205 # endif # ifndef TLS_FLAG_WRITABLE # define TLS_FLAG_WRITABLE 0x00000001 @@ -134,14 +141,6 @@ union user_desc_init # endif #endif -# ifdef __PIC__ -# define TLS_EBX_ARG "r" -# define TLS_LOAD_EBX "xchgl %3, %%ebx\n\t" -# else -# define TLS_EBX_ARG "b" -# define TLS_LOAD_EBX -# endif - /* Code to initially initialize the thread pointer. This might need special attention since 'errno' is not yet available and if the operation can cause a failure 'errno' must not be touched. |