initial import of latest linuxthreads

21 files changed, 627 insertions, 0 deletions

diff --git a/libpthread/linuxthreads/sysdeps/sparc/CVS/Entries b/libpthread/linuxthreads/sysdeps/sparc/CVS/Entries
new file mode 100644
index 000000000..dbf9a96b1
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/CVS/Entries
@@ -0,0 +1,5 @@
+D/sparc32////
+D/sparc64////
+/Makefile/1.1/Tue Nov 15 14:20:47 2005//
+/tcb-offsets.sym/1.1/Tue Nov 15 14:20:47 2005//
+/tls.h/1.4/Tue Nov 15 14:20:47 2005//
diff --git a/libpthread/linuxthreads/sysdeps/sparc/CVS/Repository b/libpthread/linuxthreads/sysdeps/sparc/CVS/Repository
new file mode 100644
index 000000000..575bd926d
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/CVS/Repository
@@ -0,0 +1 @@
+ports/linuxthreads/sysdeps/sparc
diff --git a/libpthread/linuxthreads/sysdeps/sparc/CVS/Root b/libpthread/linuxthreads/sysdeps/sparc/CVS/Root
new file mode 100644
index 000000000..ca45c5d4d
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/CVS/Root
@@ -0,0 +1 @@
+:pserver:anoncvs@sources.redhat.com:/cvs/glibc
diff --git a/libpthread/linuxthreads/sysdeps/sparc/pspinlock.c b/libpthread/linuxthreads/sysdeps/sparc/pspinlock.c
new file mode 100644
index 000000000..72a9af5b1
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/pspinlock.c
@@ -0,0 +1,14 @@
+#include <features.h>
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 32
+
+# if defined(__CONFIG_SPARC_V9B__)
+#  include "sparc32/sparcv9b/pspinlock.c"
+# else
+#  include "sparc32/pspinlock.c"
+# endif
+
+#else
+# include "sparc64/pspinlock.c"
+#endif
diff --git a/libpthread/linuxthreads/sysdeps/sparc/pt-machine.h b/libpthread/linuxthreads/sysdeps/sparc/pt-machine.h
new file mode 100644
index 000000000..ab90810f1
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/pt-machine.h
@@ -0,0 +1,8 @@
+#include <features.h>
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 32
+# include "sparc32/pt-machine.h"
+#else
+# include "sparc64/pt-machine.h"
+#endif
diff --git a/libpthread/linuxthreads/sysdeps/sparc/sparc32/CVS/Entries b/libpthread/linuxthreads/sysdeps/sparc/sparc32/CVS/Entries
new file mode 100644
index 000000000..eb2efbc9f
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/sparc32/CVS/Entries
@@ -0,0 +1,3 @@
+D/sparcv9////
+/pspinlock.c/1.4/Tue Nov 15 14:20:47 2005//
+/pt-machine.h/1.16/Tue Nov 15 14:20:47 2005//
diff --git a/libpthread/linuxthreads/sysdeps/sparc/sparc32/CVS/Repository b/libpthread/linuxthreads/sysdeps/sparc/sparc32/CVS/Repository
new file mode 100644
index 000000000..cfce5a35f
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/sparc32/CVS/Repository
@@ -0,0 +1 @@
+ports/linuxthreads/sysdeps/sparc/sparc32
diff --git a/libpthread/linuxthreads/sysdeps/sparc/sparc32/CVS/Root b/libpthread/linuxthreads/sysdeps/sparc/sparc32/CVS/Root
new file mode 100644
index 000000000..ca45c5d4d
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/sparc32/CVS/Root
@@ -0,0 +1 @@
+:pserver:anoncvs@sources.redhat.com:/cvs/glibc
diff --git a/libpthread/linuxthreads/sysdeps/sparc/sparc32/pspinlock.c b/libpthread/linuxthreads/sysdeps/sparc/sparc32/pspinlock.c
new file mode 100644
index 000000000..a67dbf901
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/sparc32/pspinlock.c
@@ -0,0 +1,88 @@
+/* POSIX spinlock implementation.  SPARC32 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"
+     "   orcc   %%g2, 0x0, %%g0\n"
+     "   bne,a  2f\n"
+     "   ldub   [%0], %%g2\n"
+     ".subsection 2\n"
+     "2: orcc   %%g2, 0x0, %%g0\n"
+     "   bne,a  2b\n"
+     "   ldub   [%0], %%g2\n"
+     "   b,a    1b\n"
+     ".previous"
+     : /* no outputs */
+     : "r" (lock)
+     : "g2", "memory", "cc");
+  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"
+     : "=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)
+{
+  *lock = 0;
+  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)
diff --git a/libpthread/linuxthreads/sysdeps/sparc/sparc32/pt-machine.h b/libpthread/linuxthreads/sysdeps/sparc/sparc32/pt-machine.h
new file mode 100644
index 000000000..322a52051
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/sparc32/pt-machine.h
@@ -0,0 +1,83 @@
+/* Machine-dependent pthreads configuration and inline functions.
+   sparc version.
+   Copyright (C) 1996-1998, 2000-2003 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
+
+extern long int testandset (int *spinlock);
+extern int __compare_and_swap (long int *p, long int oldval, long int newval);
+
+/* Spinlock implementation; required.  */
+PT_EI long int
+testandset (int *spinlock)
+{
+  int ret;
+
+  __asm__ __volatile__("ldstub %1,%0"
+	: "=r"(ret), "=m"(*spinlock)
+	: "m"(*spinlock));
+
+  return ret;
+}
+
+
+/* Memory barrier; default is to do nothing */
+#define MEMORY_BARRIER() __asm__ __volatile__("stbar" : : : "memory")
+
+
+/* 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  (stack_pointer + (2 * 64))
+register char *stack_pointer __asm__("%sp");
+
+
+/* Registers %g6 and %g7 are reserved by the ABI for "system use".
+   %g7 is specified in the TLS ABI as thread pointer -- we do the same.  */
+struct _pthread_descr_struct;
+register struct _pthread_descr_struct *__thread_self __asm__("%g7");
+
+/* Return the thread descriptor for the current thread.  */
+#define THREAD_SELF  __thread_self
+
+/* Initialize the thread-unique value.  */
+#define INIT_THREAD_SELF(descr, nr)  (__thread_self = (descr))
+
+/* Access to data in the thread descriptor is easy.  */
+#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))
+
+/* 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 /* pt-machine.h */
diff --git a/libpthread/linuxthreads/sysdeps/sparc/sparc32/sparcv9/CVS/Entries b/libpthread/linuxthreads/sysdeps/sparc/sparc32/sparcv9/CVS/Entries
new file mode 100644
index 000000000..6a76bc542
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/sparc32/sparcv9/CVS/Entries
@@ -0,0 +1,3 @@
+/Versions/1.1/Tue Nov 15 14:20:47 2005//
+/pspinlock.c/1.4/Tue Nov 15 14:20:47 2005//
+D
diff --git a/libpthread/linuxthreads/sysdeps/sparc/sparc32/sparcv9/CVS/Repository b/libpthread/linuxthreads/sysdeps/sparc/sparc32/sparcv9/CVS/Repository
new file mode 100644
index 000000000..73a5bbb95
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/sparc32/sparcv9/CVS/Repository
@@ -0,0 +1 @@
+ports/linuxthreads/sysdeps/sparc/sparc32/sparcv9
diff --git a/libpthread/linuxthreads/sysdeps/sparc/sparc32/sparcv9/CVS/Root b/libpthread/linuxthreads/sysdeps/sparc/sparc32/sparcv9/CVS/Root
new file mode 100644
index 000000000..ca45c5d4d
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/sparc32/sparcv9/CVS/Root
@@ -0,0 +1 @@
+:pserver:anoncvs@sources.redhat.com:/cvs/glibc
diff --git a/libpthread/linuxthreads/sysdeps/sparc/sparc32/sparcv9/pspinlock.c b/libpthread/linuxthreads/sysdeps/sparc/sparc32/sparcv9/pspinlock.c
new file mode 100644
index 000000000..04f588bed
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/sparc32/sparcv9/pspinlock.c
@@ -0,0 +1,94 @@
+/* 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)
diff --git a/libpthread/linuxthreads/sysdeps/sparc/sparc64/CVS/Entries b/libpthread/linuxthreads/sysdeps/sparc/sparc64/CVS/Entries
new file mode 100644
index 000000000..854b8a788
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/sparc64/CVS/Entries
@@ -0,0 +1,4 @@
+/Versions/1.1/Tue Nov 15 14:20:47 2005//
+/pspinlock.c/1.5/Tue Nov 15 14:20:47 2005//
+/pt-machine.h/1.20/Tue Nov 15 14:20:47 2005//
+D
diff --git a/libpthread/linuxthreads/sysdeps/sparc/sparc64/CVS/Repository b/libpthread/linuxthreads/sysdeps/sparc/sparc64/CVS/Repository
new file mode 100644
index 000000000..534fc8ed2
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/sparc64/CVS/Repository
@@ -0,0 +1 @@
+ports/linuxthreads/sysdeps/sparc/sparc64
diff --git a/libpthread/linuxthreads/sysdeps/sparc/sparc64/CVS/Root b/libpthread/linuxthreads/sysdeps/sparc/sparc64/CVS/Root
new file mode 100644
index 000000000..ca45c5d4d
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/sparc64/CVS/Root
@@ -0,0 +1 @@
+:pserver:anoncvs@sources.redhat.com:/cvs/glibc
diff --git a/libpthread/linuxthreads/sysdeps/sparc/sparc64/pspinlock.c b/libpthread/linuxthreads/sysdeps/sparc/sparc64/pspinlock.c
new file mode 100644
index 000000000..92b84f510
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/sparc64/pspinlock.c
@@ -0,0 +1,93 @@
+/* POSIX spinlock implementation.  SPARC64 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], %%g5\n"
+     "   brnz,pn %%g5, 2f\n"
+     "    membar #StoreLoad | #StoreStore\n"
+     ".subsection 2\n"
+     "2: ldub    [%0], %%g5\n"
+     "   brnz,pt %%g5, 2b\n"
+     "    membar #LoadLoad\n"
+     "   b,a,pt  %%xcc, 1b\n"
+     ".previous"
+     : /* no outputs */
+     : "r" (lock)
+     : "g5", "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)
diff --git a/libpthread/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h b/libpthread/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h
new file mode 100644
index 000000000..f65c13be1
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h
@@ -0,0 +1,105 @@
+/* Machine-dependent pthreads configuration and inline functions.
+   Sparc v9 version.
+   Copyright (C) 1997-2002, 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
+
+extern long int testandset (int *spinlock);
+extern int __compare_and_swap (long int *p, long int oldval, long int newval);
+
+/* Spinlock implementation; required.  */
+PT_EI long int
+testandset (int *spinlock)
+{
+  int ret;
+
+  __asm__ __volatile__("ldstub %1,%0"
+	: "=r" (ret), "=m" (*spinlock) : "m" (*spinlock));
+
+  return ret;
+}
+
+
+/* Memory barrier; default is to do nothing */
+#define MEMORY_BARRIER() \
+     __asm__ __volatile__("membar #LoadLoad | #LoadStore | #StoreLoad | #StoreStore" : : : "memory")
+/* Read barrier.  */
+#define READ_MEMORY_BARRIER() \
+     __asm__ __volatile__("membar #LoadLoad | #LoadStore" : : : "memory")
+/* Write barrier.  */
+#define WRITE_MEMORY_BARRIER() \
+     __asm__ __volatile__("membar #StoreLoad | #StoreStore" : : : "memory")
+
+
+/* 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  (stack_pointer + (2 * 128))
+register char *stack_pointer __asm__ ("%sp");
+
+
+/* Registers %g6 and %g7 are reserved by the ABI for "system use".  The
+   TLS ABI specifies %g7 as the thread pointer.  */
+struct _pthread_descr_struct;
+register struct _pthread_descr_struct *__thread_self __asm__ ("%g7");
+
+/* Return the thread descriptor for the current thread.  */
+#define THREAD_SELF  __thread_self
+
+/* Initialize the thread-unique value.  */
+#define INIT_THREAD_SELF(descr, nr)  (__thread_self = (descr))
+
+
+/* Compare-and-swap for semaphores. */
+
+#define HAS_COMPARE_AND_SWAP
+PT_EI int
+__compare_and_swap (long int *p, long int oldval, long int newval)
+{
+  long int readval;
+
+  __asm__ __volatile__ ("casx	[%4], %2, %0"
+			: "=r"(readval), "=m"(*p)
+			: "r"(oldval), "m"(*p), "r"(p), "0"(newval));
+  MEMORY_BARRIER();
+  return readval == oldval;
+}
+
+/* Access to data in the thread descriptor is easy.  */
+#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))
+
+/* 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     32*1024*1024
+
+#endif /* pt-machine.h */
diff --git a/libpthread/linuxthreads/sysdeps/sparc/tcb-offsets.sym b/libpthread/linuxthreads/sysdeps/sparc/tcb-offsets.sym
new file mode 100644
index 000000000..aee6be257
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/tcb-offsets.sym
@@ -0,0 +1,4 @@
+#include <sysdep.h>
+#include <tls.h>
+
+MULTIPLE_THREADS_OFFSET		offsetof (tcbhead_t, multiple_threads)
diff --git a/libpthread/linuxthreads/sysdeps/sparc/tls.h b/libpthread/linuxthreads/sysdeps/sparc/tls.h
new file mode 100644
index 000000000..2df97d61e
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/sparc/tls.h
@@ -0,0 +1,115 @@
+/* Definitions for thread-local data handling.  linuxthreads/sparc version.
+   Copyright (C) 2002, 2003, 2005 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
+
+#ifndef __ASSEMBLER__
+
+# include <pt-machine.h>
+# include <stdbool.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
+{
+  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 /* __ASSEMBLER__ */
+
+#ifdef HAVE_TLS_SUPPORT
+
+/* 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) \
+  (((tcbhead_t *) __thread_self)->dtv = (DTV))
+
+/* Return dtv of given thread descriptor.  */
+#  define GET_DTV(descr) \
+  (((tcbhead_t *) (descr))->dtv)
+
+/* Code to initially initialize the thread pointer.  */
+# define TLS_INIT_TP(descr, secondcall) \
+  (__thread_self = (__typeof (__thread_self)) (descr), NULL)
+
+/* Return the address of the dtv for the current thread.  */
+#  define THREAD_DTV() \
+  (((tcbhead_t *) __thread_self)->dtv)
+
+# endif
+
+#else
+
+# define NONTLS_INIT_TP \
+  do {									      \
+    static const tcbhead_t nontls_init_tp				      \
+      = { .multiple_threads = 0 };					      \
+    __thread_self = (__typeof (__thread_self)) &nontls_init_tp;		      \
+  } while (0)
+
+#endif /* USE_TLS */
+
+#endif	/* tls.h */