Back out nptl changes, which for now will be done in branches/uClibc-nptl

1 files changed, 0 insertions, 323 deletions

diff --git a/libpthread/nptl/sysdeps/x86_64/tls.h b/libpthread/nptl/sysdeps/x86_64/tls.h
deleted file mode 100644
index 12da9dc81..000000000
--- a/libpthread/nptl/sysdeps/x86_64/tls.h
+++ /dev/null
@@ -1,323 +0,0 @@
-/* Definition for thread-local data handling.  nptl/x86_64 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	1
-
-#include <asm/prctl.h>	/* For ARCH_SET_FS.  */
-#ifndef __ASSEMBLER__
-# include <stdbool.h>
-# include <stddef.h>
-# include <stdint.h>
-# include <stdlib.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
-
-
-/* We require TLS support in the tools.  */
-#ifndef HAVE_TLS_SUPPORT
-# error "TLS support is required."
-#endif
-
-/* Signal that TLS support is available.  */
-#define USE_TLS	1
-
-/* Alignment requirement for the stack.  */
-#define STACK_ALIGN	16
-
-
-#ifndef __ASSEMBLER__
-/* Get system call information.  */
-# include <sysdep.h>
-
-
-/* Get the thread descriptor definition.  */
-# include <nptl/descr.h>
-
-#ifndef LOCK_PREFIX
-# ifdef UP
-#  define LOCK_PREFIX	/* nothing */
-# else
-#  define LOCK_PREFIX	"lock;"
-# endif
-#endif
-
-/* 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)
-
-/* Alignment requirements for the TCB.  */
-# define TLS_TCB_ALIGN __alignof__ (struct pthread)
-
-/* 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(dtvp) \
-  ({ struct pthread *__pd;						      \
-     THREAD_SETMEM (__pd, header.dtv, (dtvp)); })
-
-/* Return dtv of given thread descriptor.  */
-# define GET_DTV(descr) \
-  (((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))
-
-
-/* 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.
-
-   We have to make the syscall for both uses of the macro since the
-   address might be (and probably is) different.  */
-# define TLS_INIT_TP(thrdescr, secondcall) \
-  ({ void *_thrdescr = (thrdescr);					      \
-     tcbhead_t *_head = _thrdescr;					      \
-     int _result;							      \
-									      \
-     _head->tcb = _thrdescr;						      \
-     /* For now the thread descriptor is at the same address.  */	      \
-     _head->self = _thrdescr;						      \
-									      \
-     /* It is a simple syscall to set the %fs value for the thread.  */	      \
-     asm volatile ("syscall"						      \
-		   : "=a" (_result)					      \
-		   : "0" ((unsigned long int) __NR_arch_prctl),		      \
-		     "D" ((unsigned long int) ARCH_SET_FS),		      \
-		     "S" (_thrdescr)					      \
-		   : "memory", "cc", "r11", "cx");			      \
-									      \
-    _result ? "cannot set %fs base address for thread-local storage" : 0;     \
-  })
-
-
-/* Return the address of the dtv for the current thread.  */
-# define THREAD_DTV() \
-  ({ struct pthread *__pd;						      \
-     THREAD_GETMEM (__pd, header.dtv); })
-
-
-/* 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 \
-  ({ struct pthread *__self;						      \
-     asm ("movq %%fs:%c1,%q0" : "=r" (__self)				      \
-	  : "i" (offsetof (struct pthread, header.self)));	 	      \
-     __self;})
-
-/* Magic for libthread_db to know how to do THREAD_SELF.  */
-# define DB_THREAD_SELF_INCLUDE  <sys/reg.h> /* For the FS constant.  */
-# define DB_THREAD_SELF CONST_THREAD_AREA (64, FS)
-
-/* Read member of the thread descriptor directly.  */
-# define THREAD_GETMEM(descr, member) \
-  ({ __typeof (descr->member) __value;					      \
-     if (sizeof (__value) == 1)						      \
-       asm volatile ("movb %%fs:%P2,%b0"				      \
-		     : "=q" (__value)					      \
-		     : "0" (0), "i" (offsetof (struct pthread, member)));     \
-     else if (sizeof (__value) == 4)					      \
-       asm volatile ("movl %%fs:%P1,%0"					      \
-		     : "=r" (__value)					      \
-		     : "i" (offsetof (struct pthread, member)));	      \
-     else								      \
-       {								      \
-	 if (sizeof (__value) != 8)					      \
-	   /* There should not be any value with a size other than 1,	      \
-	      4 or 8.  */						      \
-	   abort ();							      \
-									      \
-	 asm volatile ("movq %%fs:%P1,%q0"				      \
-		       : "=r" (__value)					      \
-		       : "i" (offsetof (struct pthread, member)));	      \
-       }								      \
-     __value; })
-
-
-/* Same as THREAD_GETMEM, but the member offset can be non-constant.  */
-# define THREAD_GETMEM_NC(descr, member, idx) \
-  ({ __typeof (descr->member[0]) __value;				      \
-     if (sizeof (__value) == 1)						      \
-       asm volatile ("movb %%fs:%P2(%q3),%b0"				      \
-		     : "=q" (__value)					      \
-		     : "0" (0), "i" (offsetof (struct pthread, member[0])),   \
-		       "r" (idx));					      \
-     else if (sizeof (__value) == 4)					      \
-       asm volatile ("movl %%fs:%P1(,%q2,4),%0"				      \
-		     : "=r" (__value)					      \
-		     : "i" (offsetof (struct pthread, member[0])), "r" (idx));\
-     else								      \
-       {								      \
-	 if (sizeof (__value) != 8)					      \
-	   /* There should not be any value with a size other than 1,	      \
-	      4 or 8.  */						      \
-	   abort ();							      \
-									      \
-	 asm volatile ("movq %%fs:%P1(,%q2,8),%q0"			      \
-		       : "=r" (__value)					      \
-		       : "i" (offsetof (struct pthread, member[0])),	      \
-			 "r" (idx));					      \
-       }								      \
-     __value; })
-
-
-/* Loading addresses of objects on x86-64 needs to be treated special
-   when generating PIC code.  */
-#ifdef __pic__
-# define IMM_MODE "nr"
-#else
-# define IMM_MODE "ir"
-#endif
-
-
-/* Same as THREAD_SETMEM, but the member offset can be non-constant.  */
-# define THREAD_SETMEM(descr, member, value) \
-  ({ if (sizeof (descr->member) == 1)					      \
-       asm volatile ("movb %b0,%%fs:%P1" :				      \
-		     : "iq" (value),					      \
-		       "i" (offsetof (struct pthread, member)));	      \
-     else if (sizeof (descr->member) == 4)				      \
-       asm volatile ("movl %0,%%fs:%P1" :				      \
-		     : IMM_MODE (value),				      \
-		       "i" (offsetof (struct pthread, member)));	      \
-     else								      \
-       {								      \
-	 if (sizeof (descr->member) != 8)				      \
-	   /* There should not be any value with a size other than 1,	      \
-	      4 or 8.  */						      \
-	   abort ();							      \
-									      \
-	 asm volatile ("movq %q0,%%fs:%P1" :				      \
-		       : IMM_MODE ((unsigned long int) value),		      \
-			 "i" (offsetof (struct pthread, member)));	      \
-       }})
-
-
-/* Set member of the thread descriptor directly.  */
-# define THREAD_SETMEM_NC(descr, member, idx, value) \
-  ({ if (sizeof (descr->member[0]) == 1)				      \
-       asm volatile ("movb %b0,%%fs:%P1(%q2)" :				      \
-		     : "iq" (value),					      \
-		       "i" (offsetof (struct pthread, member[0])),	      \
-		       "r" (idx));					      \
-     else if (sizeof (descr->member[0]) == 4)				      \
-       asm volatile ("movl %0,%%fs:%P1(,%q2,4)" :			      \
-		     : IMM_MODE (value),				      \
-		       "i" (offsetof (struct pthread, member[0])),	      \
-		       "r" (idx));					      \
-     else								      \
-       {								      \
-	 if (sizeof (descr->member[0]) != 8)				      \
-	   /* There should not be any value with a size other than 1,	      \
-	      4 or 8.  */						      \
-	   abort ();							      \
-									      \
-	 asm volatile ("movq %q0,%%fs:%P1(,%q2,8)" :			      \
-		       : IMM_MODE ((unsigned long int) value),		      \
-			 "i" (offsetof (struct pthread, member[0])),	      \
-			 "r" (idx));					      \
-       }})
-
-
-/* Atomic compare and exchange on TLS, returning old value.  */
-#define THREAD_ATOMIC_CMPXCHG_VAL(descr, member, newval, oldval) \
-  ({ __typeof (descr->member) __ret;					      \
-     __typeof (oldval) __old = (oldval);				      \
-     if (sizeof (descr->member) == 4)					      \
-       asm volatile (LOCK_PREFIX "cmpxchgl %2, %%fs:%P3"		      \
-		     : "=a" (__ret)					      \
-		     : "0" (__old), "r" (newval),			      \
-		       "i" (offsetof (struct pthread, member)));	      \
-     else								      \
-       /* Not necessary for other sizes in the moment.  */		      \
-       abort ();							      \
-     __ret; })
-
-
-/* Atomic set bit.  */
-#define THREAD_ATOMIC_BIT_SET(descr, member, bit) \
-  (void) ({ if (sizeof ((descr)->member) == 4)				      \
-	      asm volatile (LOCK_PREFIX "orl %1, %%fs:%P0"		      \
-			    :: "i" (offsetof (struct pthread, member)),	      \
-			       "ir" (1 << (bit)));			      \
-	    else							      \
-	      /* Not necessary for other sizes in the moment.  */	      \
-	      abort (); })
-
-
-#define CALL_THREAD_FCT(descr) \
-  ({ void *__res;							      \
-     asm volatile ("movq %%fs:%P2, %%rdi\n\t"				      \
-		   "callq *%%fs:%P1"					      \
-		   : "=a" (__res)					      \
-		   : "i" (offsetof (struct pthread, start_routine)),	      \
-		     "i" (offsetof (struct pthread, arg))		      \
-		   : "di", "si", "cx", "dx", "r8", "r9", "r10", "r11",	      \
-		     "memory", "cc");					      \
-     __res; })
-
-
-#endif /* __ASSEMBLER__ */
-
-#endif	/* tls.h */