2.5-18.1

1 files changed, 0 insertions, 225 deletions

diff --git a/linuxthreads/sysdeps/i386/tls.h b/linuxthreads/sysdeps/i386/tls.h
deleted file mode 100644
index 5306d082bb..0000000000
--- a/linuxthreads/sysdeps/i386/tls.h
+++ /dev/null
@@ -1,225 +0,0 @@
-/* Definition for thread-local data handling.  linuxthreads/i386 version.
-   Copyright (C) 2002, 2003, 2004 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
-
-# include <dl-sysdep.h>
-# include <pt-machine.h>
-
-#ifndef __ASSEMBLER__
-# include <stddef.h>
-# include <stdint.h>
-
-/* Type for the dtv.  */
-typedef union dtv
-{
-  size_t counter;
-  void *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;
-#ifdef NEED_DL_SYSINFO
-  uintptr_t sysinfo;
-#endif
-} tcbhead_t;
-
-#else /* __ASSEMBLER__ */
-# include <tcb-offsets.h>
-#endif
-
-/* We can support TLS only if the floating-stack support is available.
-   However, we want to compile in the support and test at runtime whether
-   the running kernel can support it or not.  To avoid bothering with the
-   TLS support code at all, use configure --without-tls.
-
-   We need USE_TLS to be consistently defined, for ldsodefs.h conditionals.
-   But some of the code below can cause problems in building libpthread
-   (e.g. useldt.h will defined FLOATING_STACKS when it shouldn't).  */
-
-#if defined HAVE_TLS_SUPPORT \
-    && (defined FLOATING_STACKS || !defined IS_IN_libpthread)
-
-/* 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)
-
-#  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
-
-#  if !defined IS_IN_linuxthreads && !defined DO_MODIFY_LDT
-#   include "useldt.h"		/* For the structure.  */
-#  endif
-#  if __ASSUME_LDT_WORKS > 0
-#   define TLS_DO_MODIFY_LDT_KERNEL_CHECK(doit) (doit) /* Nothing to check.  */
-#  else
-#   define TLS_DO_MODIFY_LDT_KERNEL_CHECK(doit)				      \
-  (__builtin_expect (GLRO(dl_osversion) < 131939, 0)			      \
-   ? "kernel too old for thread-local storage support\n"			      \
-   : (doit))
-#  endif
-
-#  define TLS_DO_MODIFY_LDT(descr, nr)					      \
-TLS_DO_MODIFY_LDT_KERNEL_CHECK(						      \
-({									      \
-  struct modify_ldt_ldt_s ldt_entry =					      \
-    { nr, (unsigned long int) (descr), 0xfffff /* 4GB in pages */,	      \
-      1, 0, 0, 1, 0, 1, 0 };						      \
-  int result;								      \
-  asm volatile (TLS_LOAD_EBX						      \
-		"int $0x80\n\t"						      \
-		TLS_LOAD_EBX						      \
-		: "=a" (result)						      \
-		: "0" (__NR_modify_ldt),				      \
-		/* The extra argument with the "m" constraint is necessary    \
-		   to let the compiler know that we are accessing LDT_ENTRY   \
-		   here.  */						      \
-		"m" (ldt_entry), TLS_EBX_ARG (1), "c" (&ldt_entry),	      \
-		"d" (sizeof (ldt_entry)));				      \
-  __builtin_expect (result, 0) == 0					      \
-  ? ({ asm ("movw %w0, %%gs" : : "q" ((nr) * 8 + 7)); NULL; })		      \
-  : "cannot set up LDT for thread-local storage\n";			      \
-}))
-
-#  define TLS_DO_SET_THREAD_AREA(descr, secondcall)			      \
-({									      \
-  struct modify_ldt_ldt_s ldt_entry =					      \
-    { -1, (unsigned long int) (descr), 0xfffff /* 4GB in pages */,	      \
-      1, 0, 0, 1, 0, 1, 0 };						      \
-  int result;								      \
-  if (secondcall)							      \
-    ldt_entry.entry_number = ({ int _gs;				      \
-				asm ("movw %%gs, %w0" : "=q" (_gs));	      \
-				(_gs & 0xffff) >> 3; });		      \
-  asm volatile (TLS_LOAD_EBX						      \
-		"int $0x80\n\t"						      \
-		TLS_LOAD_EBX						      \
-		: "=a" (result), "=m" (ldt_entry.entry_number)		      \
-		: "0" (__NR_set_thread_area),				      \
-		/* The extra argument with the "m" constraint is necessary    \
-		   to let the compiler know that we are accessing LDT_ENTRY   \
-		   here.  */						      \
-		TLS_EBX_ARG (&ldt_entry), "m" (ldt_entry));		      \
-  if (__builtin_expect (result, 0) == 0)				      \
-    asm ("movw %w0, %%gs" : : "q" (ldt_entry.entry_number * 8 + 3));	      \
-  result;								      \
-})
-
-#  ifdef __ASSUME_SET_THREAD_AREA_SYSCALL
-#   define TLS_SETUP_GS_SEGMENT(descr, secondcall)			      \
-  (TLS_DO_SET_THREAD_AREA (descr, secondcall)				      \
-   ? "set_thread_area failed when setting up thread-local storage\n" : NULL)
-#  elif defined __NR_set_thread_area
-#   define TLS_SETUP_GS_SEGMENT(descr, secondcall) \
-  (TLS_DO_SET_THREAD_AREA (descr, secondcall)				      \
-   ? TLS_DO_MODIFY_LDT (descr, 0) : NULL)
-#  else
-#   define TLS_SETUP_GS_SEGMENT(descr, secondcall) \
-  TLS_DO_MODIFY_LDT ((descr), 0)
-#  endif
-
-#if defined NEED_DL_SYSINFO
-# define INIT_SYSINFO \
-  head->sysinfo = GLRO(dl_sysinfo)
-#else
-# define INIT_SYSINFO
-#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.
-
-   The value of this macro is null if successful, or an error string.  */
-#  define TLS_INIT_TP(descr, secondcall)				      \
-  ({									      \
-    void *_descr = (descr);						      \
-    tcbhead_t *head = _descr;						      \
-									      \
-    head->tcb = _descr;							      \
-    /* For now the thread descriptor is at the same address.  */	      \
-    head->self = _descr;						      \
-									      \
-    INIT_SYSINFO;							      \
-    TLS_SETUP_GS_SEGMENT (_descr, secondcall);				      \
-  })
-
-/* 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 && (FLOATING_STACKS || !IS_IN_libpthread) */
-#endif /* __ASSEMBLER__ */
-
-#endif	/* tls.h */