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| author | Mike Frysinger <vapier@gentoo.org> | 2005-11-15 03:13:04 +0000 | 
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2005-11-15 03:13:04 +0000 | 
| commit | a9f5aa1cc96fc2c71f19a9c3e9dcbee0e78f83ca (patch) | |
| tree | 2c5d251bdfd06d0a76cec9fc507b1873b4bbbdad /libpthread/linuxthreads/sysdeps/x86_64/tls.h | |
| parent | fd6dde5a19092be5bb1990dadd5c595d2ed0b3aa (diff) | |
| download | uClibc-alpine-a9f5aa1cc96fc2c71f19a9c3e9dcbee0e78f83ca.tar.bz2 uClibc-alpine-a9f5aa1cc96fc2c71f19a9c3e9dcbee0e78f83ca.tar.xz  | |
rename current stable linuxthreads to linuxthreads.old to prepare for import of latest glibc version
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/x86_64/tls.h')
| -rw-r--r-- | libpthread/linuxthreads/sysdeps/x86_64/tls.h | 134 | 
1 files changed, 0 insertions, 134 deletions
diff --git a/libpthread/linuxthreads/sysdeps/x86_64/tls.h b/libpthread/linuxthreads/sysdeps/x86_64/tls.h deleted file mode 100644 index d67275c10..000000000 --- a/libpthread/linuxthreads/sysdeps/x86_64/tls.h +++ /dev/null @@ -1,134 +0,0 @@ -/* Definitions for thread-local data handling.  linuxthreads/x86-64 version. -   Copyright (C) 2002, 2005 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 -   modify it under the terms of the GNU Lesser General Public -   License as published by the Free Software Foundation; either -   version 2.1 of the License, or (at your option) any later version. - -   The GNU C Library is distributed in the hope that it will be useful, -   but WITHOUT ANY WARRANTY; without even the implied warranty of -   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU -   Lesser General Public License for more details. - -   You should have received a copy of the GNU Lesser General Public -   License along with the GNU C Library; if not, write to the Free -   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA -   02111-1307 USA.  */ - -#ifndef _TLS_H -#define _TLS_H - -#ifndef __ASSEMBLER__ - -# include <pt-machine.h> -# include <stdbool.h> -# include <stddef.h> - -/* Type for the dtv.  */ -typedef union dtv -{ -  size_t counter; -  struct -  { -    void *val; -    bool is_static; -  } pointer; -} dtv_t; - - -typedef struct -{ -  void *tcb;		/* Pointer to the TCB.  Not necessary the -			   thread descriptor used by libpthread.  */ -  dtv_t *dtv; -  void *self;		/* Pointer to the thread descriptor.  */ -  int multiple_threads; -} tcbhead_t; - -#else /* __ASSEMBLER__ */ -# include <tcb-offsets.h> -#endif - - -#ifdef HAVE_TLS_SUPPORT - -/* Signal that TLS support is available.  */ -# define USE_TLS	1 - -# ifndef __ASSEMBLER__ -/* Get system call information.  */ -#  include <sysdep.h> - -/* Get the thread descriptor definition.  */ -#  include <linuxthreads/descr.h> - -/* This is the size of the initial TCB.  */ -#  define TLS_INIT_TCB_SIZE sizeof (tcbhead_t) - -/* Alignment requirements for the initial TCB.  */ -#  define TLS_INIT_TCB_ALIGN __alignof__ (tcbhead_t) - -/* This is the size of the TCB.  */ -#  define TLS_TCB_SIZE sizeof (struct _pthread_descr_struct) - -/* Alignment requirements for the TCB.  */ -#  define TLS_TCB_ALIGN __alignof__ (struct _pthread_descr_struct) - -/* The TCB can have any size and the memory following the address the -   thread pointer points to is unspecified.  Allocate the TCB there.  */ -#  define TLS_TCB_AT_TP	1 - - -/* Install the dtv pointer.  The pointer passed is to the element with -   index -1 which contain the length.  */ -#  define INSTALL_DTV(descr, dtvp) \ -  ((tcbhead_t *) (descr))->dtv = (dtvp) + 1 - -/* Install new dtv for current thread.  */ -#  define INSTALL_NEW_DTV(dtv) \ -  ({ struct _pthread_descr_struct *__descr;				      \ -     THREAD_SETMEM (__descr, p_header.data.dtvp, (dtv)); }) - -/* Return dtv of given thread descriptor.  */ -#  define GET_DTV(descr) \ -  (((tcbhead_t *) (descr))->dtv) - -/* 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.  */ -# define TLS_INIT_TP(descr, secondcall)					      \ -  ({									      \ -    void *_descr = (descr);						      \ -    tcbhead_t *head = _descr;						      \ -    long int _result;							      \ -									      \ -    head->tcb = _descr;							      \ -    /* For now the thread descriptor is at the same address.  */	      \ -    head->self = _descr;						      \ -									      \ -    asm volatile ("syscall"						      \ -		  : "=a" (_result)					      \ -		  : "0" ((unsigned long int) __NR_arch_prctl),		      \ -		    "D" ((unsigned long int) ARCH_SET_FS),		      \ -		    "S" (_descr)					      \ -		  : "memory", "cc", "r11", "cx");			      \ -									      \ -    _result ? "cannot set %fs base address for thread-local storage" : 0;     \ -  }) - -/* Indicate that dynamic linker shouldn't try to initialize TLS even -   when no PT_TLS segments are found in the program and libraries -   it is linked against.  */ -#  define TLS_INIT_TP_EXPENSIVE 1 - -/* Return the address of the dtv for the current thread.  */ -#  define THREAD_DTV() \ -  ({ struct _pthread_descr_struct *__descr;				      \ -     THREAD_GETMEM (__descr, p_header.data.dtvp); }) - -# endif	/* HAVE_TLS_SUPPORT */ -#endif /* __ASSEMBLER__ */ - -#endif	/* tls.h */  | 
