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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /linuxthreads/sysdeps/i386
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'linuxthreads/sysdeps/i386')
-rw-r--r--linuxthreads/sysdeps/i386/Makefile22
-rw-r--r--linuxthreads/sysdeps/i386/i586/Versions5
-rw-r--r--linuxthreads/sysdeps/i386/i686/Versions5
-rw-r--r--linuxthreads/sysdeps/i386/i686/pt-machine.h79
-rw-r--r--linuxthreads/sysdeps/i386/pspinlock.c103
-rw-r--r--linuxthreads/sysdeps/i386/pt-machine.h108
-rw-r--r--linuxthreads/sysdeps/i386/tcb-offsets.sym7
-rw-r--r--linuxthreads/sysdeps/i386/tls.h225
-rw-r--r--linuxthreads/sysdeps/i386/useldt.h314
9 files changed, 0 insertions, 868 deletions
diff --git a/linuxthreads/sysdeps/i386/Makefile b/linuxthreads/sysdeps/i386/Makefile
deleted file mode 100644
index 45183d1cd3..0000000000
--- a/linuxthreads/sysdeps/i386/Makefile
+++ /dev/null
@@ -1,22 +0,0 @@
-ifeq ($(subdir),linuxthreads)
-# On i686 we must avoid generating the trampoline functions generated
-# to get the GOT pointer.
-CFLAGS-pt-initfini.s += -march=i386 -mcpu=i386
-
-# Most files must not be compiled without frame pointer since we need
-# the frame base address which is stored in %ebp unless the frame pointer
-# is optimized out.
-CFLAGS-cancel.c += -fno-omit-frame-pointer -mpreferred-stack-boundary=4
-CFLAGS-condvar.c += -fno-omit-frame-pointer
-CFLAGS-join.c += -fno-omit-frame-pointer
-CFLAGS-manager.c += -fno-omit-frame-pointer -mpreferred-stack-boundary=4
-CFLAGS-oldsemaphore.c += -fno-omit-frame-pointer
-CFLAGS-pthread.c += -fno-omit-frame-pointer -mpreferred-stack-boundary=4
-CFLAGS-ptlongjmp.c += -fno-omit-frame-pointer
-CFLAGS-semaphore.c += -fno-omit-frame-pointer
-CFLAGS-sighandler.c += -fno-omit-frame-pointer -mpreferred-stack-boundary=4
-endif
-
-ifeq ($(subdir),csu)
-gen-as-const-headers += tcb-offsets.sym
-endif
diff --git a/linuxthreads/sysdeps/i386/i586/Versions b/linuxthreads/sysdeps/i386/i586/Versions
deleted file mode 100644
index 32da57080d..0000000000
--- a/linuxthreads/sysdeps/i386/i586/Versions
+++ /dev/null
@@ -1,5 +0,0 @@
-libpthread {
-  GLIBC_PRIVATE {
-    __pthread_clock_gettime; __pthread_clock_settime;
-  }
-}
diff --git a/linuxthreads/sysdeps/i386/i686/Versions b/linuxthreads/sysdeps/i386/i686/Versions
deleted file mode 100644
index 32da57080d..0000000000
--- a/linuxthreads/sysdeps/i386/i686/Versions
+++ /dev/null
@@ -1,5 +0,0 @@
-libpthread {
-  GLIBC_PRIVATE {
-    __pthread_clock_gettime; __pthread_clock_settime;
-  }
-}
diff --git a/linuxthreads/sysdeps/i386/i686/pt-machine.h b/linuxthreads/sysdeps/i386/i686/pt-machine.h
deleted file mode 100644
index 1c75bf9807..0000000000
--- a/linuxthreads/sysdeps/i386/i686/pt-machine.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/* Machine-dependent pthreads configuration and inline functions.
-   i686 version.
-   Copyright (C) 1996-2001, 2002, 2003 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Richard Henderson <rth@tamu.edu>.
-
-   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; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#ifndef _PT_MACHINE_H
-#define _PT_MACHINE_H	1
-
-#ifndef PT_EI
-# define PT_EI extern inline __attribute__ ((always_inline))
-#endif
-#include "kernel-features.h"
-
-#ifndef __ASSEMBLER__
-extern long int testandset (int *spinlock);
-extern int __compare_and_swap (long int *p, long int oldval, long int newval);
-
-/* Get some notion of the current stack.  Need not be exactly the top
-   of the stack, just something somewhere in the current frame.  */
-#define CURRENT_STACK_FRAME  __builtin_frame_address (0)
-
-
-/* Spinlock implementation; required.  */
-PT_EI long int
-testandset (int *spinlock)
-{
-  long int ret;
-
-  __asm__ __volatile__ (
-	"xchgl %0, %1"
-	: "=r" (ret), "=m" (*spinlock)
-	: "0" (1), "m" (*spinlock)
-	: "memory");
-
-  return ret;
-}
-
-
-/* Compare-and-swap for semaphores.  It's always available on i686.  */
-#define HAS_COMPARE_AND_SWAP
-
-PT_EI int
-__compare_and_swap (long int *p, long int oldval, long int newval)
-{
-  char ret;
-  long int readval;
-
-  __asm__ __volatile__ ("lock; cmpxchgl %3, %1; sete %0"
-			: "=q" (ret), "=m" (*p), "=a" (readval)
-			: "r" (newval), "m" (*p), "a" (oldval)
-			: "memory");
-  return ret;
-}
-#endif
-
-#if __ASSUME_LDT_WORKS > 0
-#include "../useldt.h"
-#endif
-
-/* The P4 and above really want some help to prevent overheating.  */
-#define BUSY_WAIT_NOP	__asm__ ("rep; nop")
-
-#endif /* pt-machine.h */
diff --git a/linuxthreads/sysdeps/i386/pspinlock.c b/linuxthreads/sysdeps/i386/pspinlock.c
deleted file mode 100644
index 6a70093957..0000000000
--- a/linuxthreads/sysdeps/i386/pspinlock.c
+++ /dev/null
@@ -1,103 +0,0 @@
-/* POSIX spinlock implementation.  x86 version.
-   Copyright (C) 2000, 2002 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; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include <errno.h>
-#include <pthread.h>
-#include "internals.h"
-#include "kernel-features.h"
-
-
-/* This implementation is similar to the one used in the Linux kernel.
-   But the kernel is byte instructions for the memory access.  This is
-   faster but unusable here.  The problem is that only 128
-   threads/processes could use the spinlock at the same time.  If (by
-   a design error in the program) a thread/process would hold the
-   spinlock for a time long enough to accumulate 128 waiting
-   processes, the next one will find a positive value in the spinlock
-   and assume it is unlocked.  We cannot accept that.  */
-
-int
-__pthread_spin_lock (pthread_spinlock_t *lock)
-{
-  asm volatile
-    ("\n"
-     "1:\n\t"
-     "lock; decl %0\n\t"
-     "js 2f\n\t"
-     ".section .text.spinlock,\"ax\"\n"
-     "2:\n\t"
-     "cmpl $0,%0\n\t"
-     "rep; nop\n\t"
-     "jle 2b\n\t"
-     "jmp 1b\n\t"
-     ".previous"
-     : "=m" (*lock));
-  return 0;
-}
-weak_alias (__pthread_spin_lock, pthread_spin_lock)
-
-
-int
-__pthread_spin_trylock (pthread_spinlock_t *lock)
-{
-  int oldval;
-
-  asm volatile
-    ("xchgl %0,%1"
-     : "=r" (oldval), "=m" (*lock)
-     : "0" (0));
-  return oldval > 0 ? 0 : EBUSY;
-}
-weak_alias (__pthread_spin_trylock, pthread_spin_trylock)
-
-
-int
-__pthread_spin_unlock (pthread_spinlock_t *lock)
-{
-  asm volatile
-    ("movl $1,%0"
-     : "=m" (*lock));
-  return 0;
-}
-weak_alias (__pthread_spin_unlock, pthread_spin_unlock)
-
-
-int
-__pthread_spin_init (pthread_spinlock_t *lock, int pshared)
-{
-  /* We can ignore the `pshared' parameter.  Since we are busy-waiting
-     all processes which can access the memory location `lock' points
-     to can use the spinlock.  */
-  *lock = 1;
-  return 0;
-}
-weak_alias (__pthread_spin_init, pthread_spin_init)
-
-
-int
-__pthread_spin_destroy (pthread_spinlock_t *lock)
-{
-  /* Nothing to do.  */
-  return 0;
-}
-weak_alias (__pthread_spin_destroy, pthread_spin_destroy)
-
-#ifndef __ASSUME_SET_THREAD_AREA_SYSCALL
-int __have_no_set_thread_area;
-#endif
diff --git a/linuxthreads/sysdeps/i386/pt-machine.h b/linuxthreads/sysdeps/i386/pt-machine.h
deleted file mode 100644
index 0df096d152..0000000000
--- a/linuxthreads/sysdeps/i386/pt-machine.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/* Machine-dependent pthreads configuration and inline functions.
-   i386 version.
-   Copyright (C) 1996-2001, 2002, 2003 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Richard Henderson <rth@tamu.edu>.
-
-   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; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#ifndef _PT_MACHINE_H
-#define _PT_MACHINE_H	1
-
-#ifndef __ASSEMBLER__
-#ifndef PT_EI
-# define PT_EI extern inline __attribute__ ((always_inline))
-#endif
-
-extern long int testandset (int *spinlock);
-extern int __compare_and_swap (long int *p, long int oldval, long int newval);
-
-/* Get some notion of the current stack.  Need not be exactly the top
-   of the stack, just something somewhere in the current frame.  */
-#define CURRENT_STACK_FRAME  __builtin_frame_address (0)
-
-
-/* Spinlock implementation; required.  */
-PT_EI long int
-testandset (int *spinlock)
-{
-  long int ret;
-
-  __asm__ __volatile__(
-       "xchgl %0, %1"
-       : "=r"(ret), "=m"(*spinlock)
-       : "0"(1), "m"(*spinlock)
-       : "memory");
-
-  return ret;
-}
-
-
-/* Compare-and-swap for semaphores.
-   Available on the 486 and above, but not on the 386.
-   We test dynamically whether it's available or not. */
-
-#define HAS_COMPARE_AND_SWAP
-#define TEST_FOR_COMPARE_AND_SWAP
-
-PT_EI int
-__compare_and_swap (long int *p, long int oldval, long int newval)
-{
-  char ret;
-  long int readval;
-
-  __asm__ __volatile__ ("lock; cmpxchgl %3, %1; sete %0"
-			: "=q" (ret), "=m" (*p), "=a" (readval)
-			: "r" (newval), "m" (*p), "a" (oldval)
-			: "memory");
-  return ret;
-}
-
-
-PT_EI int
-get_eflags (void)
-{
-  int res;
-  __asm__ __volatile__ ("pushfl; popl %0" : "=r" (res) : );
-  return res;
-}
-
-
-PT_EI void
-set_eflags (int newflags)
-{
-  __asm__ __volatile__ ("pushl %0; popfl" : : "r" (newflags) : "cc");
-}
-
-
-PT_EI int
-compare_and_swap_is_available (void)
-{
-  int oldflags = get_eflags ();
-  int changed;
-  /* Flip AC bit in EFLAGS.  */
-  set_eflags (oldflags ^ 0x40000);
-  /* See if bit changed.  */
-  changed = (get_eflags () ^ oldflags) & 0x40000;
-  /* Restore EFLAGS.  */
-  set_eflags (oldflags);
-  /* If the AC flag did not change, it's a 386 and it lacks cmpxchg.
-     Otherwise, it's a 486 or above and it has cmpxchg.  */
-  return changed != 0;
-}
-#endif /* __ASSEMBLER__ */
-
-#endif /* pt-machine.h */
diff --git a/linuxthreads/sysdeps/i386/tcb-offsets.sym b/linuxthreads/sysdeps/i386/tcb-offsets.sym
deleted file mode 100644
index 69a5018d88..0000000000
--- a/linuxthreads/sysdeps/i386/tcb-offsets.sym
+++ /dev/null
@@ -1,7 +0,0 @@
-#include <sysdep.h>
-#include <tls.h>
-
-MULTIPLE_THREADS_OFFSET		offsetof (tcbhead_t, multiple_threads)
-#ifdef NEED_DL_SYSINFO
-SYSINFO_OFFSET			offsetof (tcbhead_t, sysinfo)
-#endif
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 */
diff --git a/linuxthreads/sysdeps/i386/useldt.h b/linuxthreads/sysdeps/i386/useldt.h
deleted file mode 100644
index 4ac82f1ab0..0000000000
--- a/linuxthreads/sysdeps/i386/useldt.h
+++ /dev/null
@@ -1,314 +0,0 @@
-/* Special definitions for ix86 machine using segment register based
-   thread descriptor.
-   Copyright (C) 1998, 2000, 2001, 2002 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>.
-
-   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; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.	*/
-
-#ifndef __ASSEMBLER__
-#include <stddef.h>	/* For offsetof.  */
-#include <stdlib.h>	/* For abort().	 */
-#include <sysdep.h>
-
-
-/* We don't want to include the kernel header.	So duplicate the
-   information.	 */
-
-/* Structure passed on `modify_ldt' call.  */
-struct modify_ldt_ldt_s
-{
-  unsigned int entry_number;
-  unsigned long int base_addr;
-  unsigned int limit;
-  unsigned int seg_32bit:1;
-  unsigned int contents:2;
-  unsigned int read_exec_only:1;
-  unsigned int limit_in_pages:1;
-  unsigned int seg_not_present:1;
-  unsigned int useable:1;
-  unsigned int empty:25;
-};
-
-/* System call to set LDT entry.  */
-extern int __modify_ldt (int, struct modify_ldt_ldt_s *, size_t);
-
-
-/* Return the thread descriptor for the current thread.
-
-   The contained asm must *not* be marked volatile since otherwise
-   assignments like
-	pthread_descr self = thread_self();
-   do not get optimized away.  */
-#define THREAD_SELF \
-({									      \
-  register pthread_descr __self;					      \
-  __asm__ ("movl %%gs:%c1,%0" : "=r" (__self)				      \
-	   : "i" (offsetof (struct _pthread_descr_struct,		      \
-			    p_header.data.self)));			      \
-  __self;								      \
-})
-
-
-/* Initialize the thread-unique value.	Two possible ways to do it.  */
-
-#define DO_MODIFY_LDT(descr, nr)					      \
-({									      \
-  struct modify_ldt_ldt_s ldt_entry =					      \
-    { nr, (unsigned long int) (descr), 0xfffff /* 4GB in pages */,	      \
-      1, 0, 0, 1, 0, 1, 0 };						      \
-  if (__modify_ldt (1, &ldt_entry, sizeof (ldt_entry)) != 0)		      \
-    abort ();								      \
-  asm ("movw %w0, %%gs" : : "q" (nr * 8 + 7));				      \
-})
-
-#ifdef __PIC__
-# define USETLS_EBX_ARG "r"
-# define USETLS_LOAD_EBX "xchgl %1, %%ebx\n\t"
-#else
-# define USETLS_EBX_ARG "b"
-# define USETLS_LOAD_EBX
-#endif
-
-/* When using the new set_thread_area call, we don't need to change %gs
-   because we inherited the value set up in the main thread by TLS setup.
-   We need to extract that value and set up the same segment in this
-   thread.  */
-#if USE_TLS
-# define DO_SET_THREAD_AREA_REUSE(nr)	1
-#else
-/* Without TLS, we do the initialization of the main thread, where NR == 0.  */
-# define DO_SET_THREAD_AREA_REUSE(nr)	(!__builtin_constant_p (nr) || (nr))
-#endif
-#define DO_SET_THREAD_AREA(descr, nr) \
-({									      \
-  int __gs;								      \
-  if (DO_SET_THREAD_AREA_REUSE (nr))					      \
-    {									      \
-      asm ("movw %%gs, %w0" : "=q" (__gs));				      \
-      struct modify_ldt_ldt_s ldt_entry =				      \
-	{ (__gs & 0xffff) >> 3,						      \
-	  (unsigned long int) (descr), 0xfffff /* 4GB in pages */,	      \
-	  1, 0, 0, 1, 0, 1, 0 };					      \
-									      \
-      int __result;							      \
-      __asm (USETLS_LOAD_EBX						      \
-	     "movl %2, %%eax\n\t"					      \
-	     "int $0x80\n\t"						      \
-	     USETLS_LOAD_EBX						      \
-	     : "=&a" (__result)						      \
-	     : USETLS_EBX_ARG (&ldt_entry), "i" (__NR_set_thread_area),	      \
-	       "m" (ldt_entry)						      \
-	     : "memory");						      \
-      if (__result == 0)						      \
-	asm ("movw %w0, %%gs" :: "q" (__gs));				      \
-      else								      \
-	__gs = -1;							      \
-    }									      \
-  else									      \
-    {									      \
-      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;							      \
-      __asm (USETLS_LOAD_EBX						      \
-	     "movl %2, %%eax\n\t"					      \
-	     "int $0x80\n\t"						      \
-	     USETLS_LOAD_EBX						      \
-	     : "=&a" (__result)						      \
-	     : USETLS_EBX_ARG (&ldt_entry), "i" (__NR_set_thread_area),	      \
-	       "m" (ldt_entry)						      \
-	     : "memory");						      \
-      if (__result == 0)						      \
-	{								      \
-	  __gs = (ldt_entry.entry_number << 3) + 3;			      \
-	  asm ("movw %w0, %%gs" : : "q" (__gs));			      \
-	}								      \
-      else								      \
-	__gs = -1;							      \
-    }									      \
-  __gs;									      \
-})
-
-#if defined __ASSUME_SET_THREAD_AREA_SYSCALL
-# define INIT_THREAD_SELF(descr, nr)	DO_SET_THREAD_AREA (descr, nr)
-#elif defined __NR_set_thread_area
-# define INIT_THREAD_SELF(descr, nr)					      \
-({									      \
-  if (__builtin_expect (__have_no_set_thread_area, 0)			      \
-      || (DO_SET_THREAD_AREA (descr, DO_SET_THREAD_AREA_REUSE (nr)) == -1     \
-	  && (__have_no_set_thread_area = 1)))				      \
-    DO_MODIFY_LDT (descr, nr);						      \
-})
-/* Defined in pspinlock.c.  */
-extern int __have_no_set_thread_area;
-#else
-# define INIT_THREAD_SELF(descr, nr)	DO_MODIFY_LDT (descr, nr)
-#endif
-
-/* Free resources associated with thread descriptor.  */
-#ifdef __ASSUME_SET_THREAD_AREA_SYSCALL
-#define FREE_THREAD(descr, nr) do { } while (0)
-#elif defined __NR_set_thread_area
-#define FREE_THREAD(descr, nr) \
-{									      \
-  int __gs;								      \
-  __asm__ __volatile__ ("movw %%gs, %w0" : "=q" (__gs));		      \
-  if (__builtin_expect (__gs & 4, 0))					      \
-    {									      \
-      struct modify_ldt_ldt_s ldt_entry =				      \
-	{ nr, 0, 0, 0, 0, 1, 0, 1, 0, 0 };				      \
-      __modify_ldt (1, &ldt_entry, sizeof (ldt_entry));			      \
-    }									      \
-}
-#else
-#define FREE_THREAD(descr, nr) \
-{									      \
-  struct modify_ldt_ldt_s ldt_entry =					      \
-    { nr, 0, 0, 0, 0, 1, 0, 1, 0, 0 };					      \
-  __modify_ldt (1, &ldt_entry, sizeof (ldt_entry));			      \
-}
-#endif
-
-/* Read member of the thread descriptor directly.  */
-#define THREAD_GETMEM(descr, member) \
-({									      \
-  __typeof__ (descr->member) __value;					      \
-  if (sizeof (__value) == 1)						      \
-    __asm__ __volatile__ ("movb %%gs:%P2,%b0"				      \
-			  : "=q" (__value)				      \
-			  : "0" (0),					      \
-			    "i" (offsetof (struct _pthread_descr_struct,      \
-					   member)));			      \
-  else if (sizeof (__value) == 4)					      \
-    __asm__ __volatile__ ("movl %%gs:%P1,%0"				      \
-			  : "=r" (__value)				      \
-			  : "i" (offsetof (struct _pthread_descr_struct,      \
-					   member)));			      \
-  else									      \
-    {									      \
-      if (sizeof (__value) != 8)					      \
-	/* There should not be any value with a size other than 1, 4 or 8.  */\
-	abort ();							      \
-									      \
-      __asm__ __volatile__ ("movl %%gs:%P1,%%eax\n\t"			      \
-			    "movl %%gs:%P2,%%edx"			      \
-			    : "=A" (__value)				      \
-			    : "i" (offsetof (struct _pthread_descr_struct,    \
-					     member)),			      \
-			      "i" (offsetof (struct _pthread_descr_struct,    \
-					     member) + 4));		      \
-    }									      \
-  __value;								      \
-})
-
-/* Same as THREAD_GETMEM, but the member offset can be non-constant.  */
-#define THREAD_GETMEM_NC(descr, member) \
-({									      \
-  __typeof__ (descr->member) __value;					      \
-  if (sizeof (__value) == 1)						      \
-    __asm__ __volatile__ ("movb %%gs:(%2),%b0"				      \
-			  : "=q" (__value)				      \
-			  : "0" (0),					      \
-			    "r" (offsetof (struct _pthread_descr_struct,      \
-					   member)));			      \
-  else if (sizeof (__value) == 4)					      \
-    __asm__ __volatile__ ("movl %%gs:(%1),%0"				      \
-			  : "=r" (__value)				      \
-			  : "r" (offsetof (struct _pthread_descr_struct,      \
-					   member)));			      \
-  else									      \
-    {									      \
-      if (sizeof (__value) != 8)					      \
-	/* There should not be any value with a size other than 1, 4 or 8.  */\
-	abort ();							      \
-									      \
-      __asm__ __volatile__ ("movl %%gs:(%1),%%eax\n\t"			      \
-			    "movl %%gs:4(%1),%%edx"			      \
-			    : "=&A" (__value)				      \
-			    : "r" (offsetof (struct _pthread_descr_struct,    \
-					     member)));			      \
-    }									      \
-  __value;								      \
-})
-
-/* Same as THREAD_SETMEM, but the member offset can be non-constant.  */
-#define THREAD_SETMEM(descr, member, value) \
-({									      \
-  __typeof__ (descr->member) __value = (value);				      \
-  if (sizeof (__value) == 1)						      \
-    __asm__ __volatile__ ("movb %0,%%gs:%P1" :				      \
-			  : "q" (__value),				      \
-			    "i" (offsetof (struct _pthread_descr_struct,      \
-					   member)));			      \
-  else if (sizeof (__value) == 4)					      \
-    __asm__ __volatile__ ("movl %0,%%gs:%P1" :				      \
-			  : "r" (__value),				      \
-			    "i" (offsetof (struct _pthread_descr_struct,      \
-					   member)));			      \
-  else									      \
-    {									      \
-      if (sizeof (__value) != 8)					      \
-	/* There should not be any value with a size other than 1, 4 or 8.  */\
-	abort ();							      \
-									      \
-      __asm__ __volatile__ ("movl %%eax,%%gs:%P1\n\n"			      \
-			    "movl %%edx,%%gs:%P2" :			      \
-			    : "A" (__value),				      \
-			      "i" (offsetof (struct _pthread_descr_struct,    \
-					     member)),			      \
-			      "i" (offsetof (struct _pthread_descr_struct,    \
-					     member) + 4));		      \
-    }									      \
-})
-
-/* Set member of the thread descriptor directly.  */
-#define THREAD_SETMEM_NC(descr, member, value) \
-({									      \
-  __typeof__ (descr->member) __value = (value);				      \
-  if (sizeof (__value) == 1)						      \
-    __asm__ __volatile__ ("movb %0,%%gs:(%1)" :				      \
-			  : "q" (__value),				      \
-			    "r" (offsetof (struct _pthread_descr_struct,      \
-					   member)));			      \
-  else if (sizeof (__value) == 4)					      \
-    __asm__ __volatile__ ("movl %0,%%gs:(%1)" :				      \
-			  : "r" (__value),				      \
-			    "r" (offsetof (struct _pthread_descr_struct,      \
-					   member)));			      \
-  else									      \
-    {									      \
-      if (sizeof (__value) != 8)					      \
-	/* There should not be any value with a size other than 1, 4 or 8.  */\
-	abort ();							      \
-									      \
-      __asm__ __volatile__ ("movl %%eax,%%gs:(%1)\n\t"			      \
-			    "movl %%edx,%%gs:4(%1)" :			      \
-			    : "A" (__value),				      \
-			      "r" (offsetof (struct _pthread_descr_struct,    \
-					     member)));			      \
-    }									      \
-})
-#endif
-
-#if __ASSUME_LDT_WORKS > 0
-/* We want the OS to assign stack addresses.  */
-#define FLOATING_STACKS	1
-
-/* Maximum size of the stack if the rlimit is unlimited.  */
-#define ARCH_STACK_MAX_SIZE	8*1024*1024
-#endif