2.5-18.1

1 files changed, 0 insertions, 94 deletions

diff --git a/linuxthreads/sysdeps/sparc/sparc32/sparcv9/pspinlock.c b/linuxthreads/sysdeps/sparc/sparc32/sparcv9/pspinlock.c
deleted file mode 100644
index 04f588bed5..0000000000
--- a/linuxthreads/sysdeps/sparc/sparc32/sparcv9/pspinlock.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/* POSIX spinlock implementation.  SPARC v9 version.
-   Copyright (C) 2000 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"
-
-
-/* This implementation is similar to the one used in the Linux kernel.  */
-int
-__pthread_spin_lock (pthread_spinlock_t *lock)
-{
-  asm volatile
-    ("1: ldstub  [%0], %%g2\n"
-     "   brnz,pn %%g2, 2f\n"
-     "    membar #StoreLoad | #StoreStore\n"
-     ".subsection 2\n"
-     "2: ldub    [%0], %%g2\n"
-     "   brnz,pt %%g2, 2b\n"
-     "    membar #LoadLoad\n"
-     "   b,a,pt  %%xcc, 1b\n"
-     ".previous"
-     : /* no outputs */
-     : "r" (lock)
-     : "g2", "memory");
-  return 0;
-}
-weak_alias (__pthread_spin_lock, pthread_spin_lock)
-
-
-int
-__pthread_spin_trylock (pthread_spinlock_t *lock)
-{
-  int result;
-  asm volatile
-    ("ldstub [%1], %0\n"
-     "membar #StoreLoad | #StoreStore"
-     : "=r" (result)
-     : "r" (lock)
-     : "memory");
-  return result == 0 ? 0 : EBUSY;
-}
-weak_alias (__pthread_spin_trylock, pthread_spin_trylock)
-
-
-int
-__pthread_spin_unlock (pthread_spinlock_t *lock)
-{
-  asm volatile
-    ("membar #StoreStore | #LoadStore\n"
-     "stb    %%g0, [%0]"
-     :
-     : "r" (lock)
-     : "memory");
-  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 = 0;
-  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)