resolve merge

1 files changed, 0 insertions, 171 deletions

diff --git a/libpthread/linuxthreads/sysdeps/arm/tls.h b/libpthread/linuxthreads/sysdeps/arm/tls.h
deleted file mode 100644
index df8d97009..000000000
--- a/libpthread/linuxthreads/sysdeps/arm/tls.h
+++ /dev/null
@@ -1,171 +0,0 @@
-/* Definitions for thread-local data handling.  linuxthreads/ARM version.
-   Copyright (C) 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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _TLS_H
-#define _TLS_H
-
-#ifndef __ASSEMBLER__
-
-# include <stdbool.h>
-# include <pt-machine.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
-{
-  dtv_t *dtv;
-
-  /* Reserved for the thread implementation.  Unused in LinuxThreads.  */
-  void *private;
-} tcbhead_t;
-#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).  */
-
-/* LinuxThreads can only support TLS if both floating stacks and support
-   from the tools are available.
-
-   We have to define USE_TLS consistently, or ldsodefs.h will lay out types
-   differently between an NPTL build and a LinuxThreads build.  It can be set
-   for libc.so and not libpthread.so, but only if we provide appropriate padding
-   in the _pthread_descr_struct.
-
-   Currently nothing defines FLOATING_STACKS.  We could assume this based on
-   kernel version once the TLS patches are available in kernel.org.
-
-   To avoid bothering with the TLS support code at all, use configure
-   --without-tls.  */
-
-#if defined HAVE_TLS_SUPPORT \
-    && (defined FLOATING_STACKS || !defined IS_IN_libpthread)
-
-/* Signal that TLS support is available.  */
-# define USE_TLS	1
-
-/* Include padding in _pthread_descr_struct so that libc can find p_errno,
-   if libpthread will only include the padding because of the !IS_IN_libpthread
-   check.  */
-#ifndef FLOATING_STACKS
-# define INCLUDE_TLS_PADDING	1
-#endif
-
-# ifndef __ASSEMBLER__
-/* Get system call information.  */
-#  include <sysdep.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 (tcbhead_t)
-
-/* Alignment requirements for the TCB.  */
-#  define TLS_TCB_ALIGN		__alignof__ (tcbhead_t)
-
-/* This is the size we need before TCB.  */
-#  define TLS_PRE_TCB_SIZE	sizeof (struct _pthread_descr_struct)
-
-/* The DTV is allocated at the TP; the TCB is placed elsewhere.  */
-#  define TLS_DTV_AT_TP 1
-
-/* Install the dtv pointer.  The pointer passed is to the element with
-   index -1 which contain the length.  */
-#  define INSTALL_DTV(TCBP, DTVP) \
-  (((tcbhead_t *) (TCBP))->dtv = (DTVP) + 1)
-
-/* Install new dtv for current thread.  */
-#  define INSTALL_NEW_DTV(DTV) \
-  (((tcbhead_t *)__builtin_thread_pointer ())->dtv = (DTV))
-
-/* Return dtv of given thread descriptor.  */
-#  define GET_DTV(TCBP) \
-  (((tcbhead_t *) (TCBP))->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(TCBP, SECONDCALL) \
-  ({ INTERNAL_SYSCALL_DECL (err);					\
-     long result_var;							\
-     result_var = INTERNAL_SYSCALL_ARM (set_tls, err, 1, (TCBP));	\
-     INTERNAL_SYSCALL_ERROR_P (result_var, err)				\
-       ? "unknown error" : NULL; })
-
-/* Return the address of the dtv for the current thread.  */
-#  define THREAD_DTV() \
-  (((tcbhead_t *)__builtin_thread_pointer ())->dtv)
-
-/* Return the thread descriptor for the current thread.  */
-#  undef THREAD_SELF
-#  define THREAD_SELF \
-  ((pthread_descr)__builtin_thread_pointer () - 1)
-
-#  undef INIT_THREAD_SELF
-#  define INIT_THREAD_SELF(DESCR, NR) \
-  TLS_INIT_TP ((struct _pthread_descr_struct *)(DESCR) + 1, 0)
-
-/* Get the thread descriptor definition.  */
-#  include <linuxthreads/descr.h>
-
-/* ??? Generic bits of LinuxThreads may call these macros with
-   DESCR set to NULL.  We are expected to be able to reference
-   the "current" value.
-
-   In our case, we'd really prefer to use DESCR, since lots of
-   PAL_code calls would be expensive.  We can only trust that
-   the compiler does its job and unifies the multiple
-   __builtin_thread_pointer instances.  */
-
-#define THREAD_GETMEM(descr, member) \
-  ((void) sizeof (descr), THREAD_SELF->member)
-#define THREAD_GETMEM_NC(descr, member) \
-  ((void) sizeof (descr), THREAD_SELF->member)
-#define THREAD_SETMEM(descr, member, value) \
-  ((void) sizeof (descr), THREAD_SELF->member = (value))
-#define THREAD_SETMEM_NC(descr, member, value) \
-  ((void) sizeof (descr), THREAD_SELF->member = (value))
-
-/* Initializing the thread pointer will generate a SIGILL if the syscall
-   is not available.  */
-#define TLS_INIT_TP_EXPENSIVE 1
-
-# endif	/* HAVE_TLS_SUPPORT */
-#endif /* __ASSEMBLER__ */
-
-#endif	/* tls.h */