* sysdeps/generic/dl-sysdep.c (_dl_important_hwcaps): If CNT == 1,

	allocate space even for the trailing '/'.
	Reported by John Reiser <jreiser@BitWagon.com>.

	* sysdeps/unix/sysv/linux/ia64/sysdep.h (LOAD_ARGS_6, ASM_ARGS_6,
	ASM_CLOBBERS_6): Define.
	(ASM_CLOBBERS_5): Use ASM_CLOBBERS_6.
	* sysdeps/unix/sysv/linux/ia64/clone2.S (__clone2): Reorder arguments
	to match IA-32 order.
	* sysdeps/unix/sysv/linux/i386/clone.S: Fix comment.

10 files changed, 455 insertions, 0 deletions

diff --git a/nptl/sysdeps/ia64/Makefile b/nptl/sysdeps/ia64/Makefile
new file mode 100644
index 0000000000..3229d3f16d
--- /dev/null
+++ b/nptl/sysdeps/ia64/Makefile
@@ -0,0 +1,25 @@
+# Copyright (C) 2003 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.
+
+ifeq ($(subdir),csu)
+gen-as-const-headers += tcb-offsets.sym
+endif
+
+ifeq ($(subdir),nptl)
+libpthread-routines += ptw-sysdep ptw-sigblock ptw-sigprocmask
+endif
diff --git a/nptl/sysdeps/ia64/bits/atomic.h b/nptl/sysdeps/ia64/bits/atomic.h
new file mode 100644
index 0000000000..4b1d24f8e7
--- /dev/null
+++ b/nptl/sysdeps/ia64/bits/atomic.h
@@ -0,0 +1,93 @@
+/* Copyright (C) 2003 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.  */
+
+#include <stdint.h>
+#include <ia64intrin.h>
+
+typedef int8_t atomic8_t;
+typedef uint8_t uatomic8_t;
+typedef int_fast8_t atomic_fast8_t;
+typedef uint_fast8_t uatomic_fast8_t;
+
+typedef int16_t atomic16_t;
+typedef uint16_t uatomic16_t;
+typedef int_fast16_t atomic_fast16_t;
+typedef uint_fast16_t uatomic_fast16_t;
+
+typedef int32_t atomic32_t;
+typedef uint32_t uatomic32_t;
+typedef int_fast32_t atomic_fast32_t;
+typedef uint_fast32_t uatomic_fast32_t;
+
+typedef int64_t atomic64_t;
+typedef uint64_t uatomic64_t;
+typedef int_fast64_t atomic_fast64_t;
+typedef uint_fast64_t uatomic_fast64_t;
+
+typedef intptr_t atomicptr_t;
+typedef uintptr_t uatomicptr_t;
+typedef intmax_t atomic_max_t;
+typedef uintmax_t uatomic_max_t;
+
+
+#define __arch_compare_and_exchange_8_acq(mem, newval, oldval) \
+  (abort (), 0)
+
+#define __arch_compare_and_exchange_16_acq(mem, newval, oldval) \
+  (abort (), 0)
+
+#define __arch_compare_and_exchange_32_acq(mem, newval, oldval) \
+  (!__sync_bool_compare_and_swap_si ((int *) (mem), (int) (long) (oldval), \
+				     (int) (long) (newval)))
+
+# define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \
+  (!__sync_bool_compare_and_swap_di ((long *) (mem), (long) (oldval), \
+				     (long) (newval)))
+
+#define __arch_compare_and_exchange_32_val_acq(mem, newval, oldval) \
+  __sync_val_compare_and_swap_si ((int *) (mem), (int) (long) (oldval), \
+				  (int) (long) (newval))
+
+# define __arch_compare_and_exchange_64_val_acq(mem, newval, oldval) \
+  __sync_val_compare_and_swap_di ((long *) (mem), (long) (oldval), \
+				  (long) (newval))
+
+# define atomic_exchange_and_add(mem, value) \
+  ({									      \
+    __typeof (*mem) __oldval, __val;					      \
+    __typeof (mem) __memp = (mem);					      \
+    __typeof (*mem) __value = (value);					      \
+									      \
+    __val = *__memp;							      \
+    if (sizeof (*mem) == 4)						      \
+      do								      \
+	__oldval = __val;						      \
+      while ((__val							      \
+	      = __arch_compare_and_exchange_32_val_acq (__memp, __oldval,     \
+							__oldval + __value))  \
+	     != __oldval);						      \
+    else if (sizeof (*mem) == 8)					      \
+      do								      \
+	__oldval = __val;						      \
+      while ((__val							      \
+	      = __arch_compare_and_exchange_64_val_acq (__memp, __oldval,     \
+							__oldval + __value))  \
+	     != __oldval);						      \
+    else								      \
+      abort ();								      \
+    __oldval + __value; })
diff --git a/nptl/sysdeps/ia64/pthread_spin_init.c b/nptl/sysdeps/ia64/pthread_spin_init.c
new file mode 100644
index 0000000000..c300cd442f
--- /dev/null
+++ b/nptl/sysdeps/ia64/pthread_spin_init.c
@@ -0,0 +1,20 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
+
+   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.  */
+
+/* Not needed.  pthread_spin_init is an alias for pthread_spin_unlock.  */
diff --git a/nptl/sysdeps/ia64/pthread_spin_lock.c b/nptl/sysdeps/ia64/pthread_spin_lock.c
new file mode 100644
index 0000000000..f6b706ae71
--- /dev/null
+++ b/nptl/sysdeps/ia64/pthread_spin_lock.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
+
+   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.  */
+
+#include "pthreadP.h"
+
+int
+pthread_spin_lock (lock)
+     pthread_spinlock_t *lock;
+{
+  int *p = (int *) lock;
+
+  while (__builtin_expect (__sync_val_compare_and_swap_si (p, 0, 1), 0))
+    {
+      /* Spin without using the atomic instruction.  */
+      do
+	__asm __volatile ("" : : : "memory");
+      while (*p);
+    }
+  return 0;
+}
diff --git a/nptl/sysdeps/ia64/pthread_spin_trylock.c b/nptl/sysdeps/ia64/pthread_spin_trylock.c
new file mode 100644
index 0000000000..b7cbf14782
--- /dev/null
+++ b/nptl/sysdeps/ia64/pthread_spin_trylock.c
@@ -0,0 +1,28 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
+
+   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.  */
+
+#include <errno.h>
+#include "pthreadP.h"
+
+int
+pthread_spin_trylock (lock)
+     pthread_spinlock_t *lock;
+{
+  return __sync_val_compare_and_swap_si ((int *) lock, 0, 1) == 0 ? 0 : EBUSY;
+}
diff --git a/nptl/sysdeps/ia64/pthread_spin_unlock.c b/nptl/sysdeps/ia64/pthread_spin_unlock.c
new file mode 100644
index 0000000000..b3f1ff1628
--- /dev/null
+++ b/nptl/sysdeps/ia64/pthread_spin_unlock.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
+
+   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.  */
+
+/* Ugly hack to avoid the declaration of pthread_spin_init.  */
+#define pthread_spin_init pthread_spin_init_XXX
+#include "pthreadP.h"
+#undef pthread_spin_init
+
+int
+pthread_spin_unlock (pthread_spinlock_t *lock)
+{
+  *lock = 0;
+  return 0;
+}
+strong_alias (pthread_spin_unlock, pthread_spin_init)
diff --git a/nptl/sysdeps/ia64/pthreaddef.h b/nptl/sysdeps/ia64/pthreaddef.h
new file mode 100644
index 0000000000..8fc58e04d8
--- /dev/null
+++ b/nptl/sysdeps/ia64/pthreaddef.h
@@ -0,0 +1,46 @@
+/* Copyright (C) 2003 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.  */
+
+/* Default stack size.  */
+#define ARCH_STACK_DEFAULT_SIZE	(32 * 1024 * 1024)
+
+/* IA-64 uses a normal stack and a register stack.  */
+#define NEED_SEPARATE_REGISTER_STACK
+
+/* Required stack pointer alignment at beginning.  */
+#define STACK_ALIGN		16
+
+/* Minimal stack size after allocating thread descriptor and guard size.  */
+#define MINIMAL_REST_STACK	16384
+
+/* Alignment requirement for TCB.  */
+#define TCB_ALIGNMENT		16
+
+/* The signal used for asynchronous cancelation.  */
+#define SIGCANCEL		__SIGRTMIN
+
+
+/* Location of current stack frame.  */
+#define CURRENT_STACK_FRAME	__stack_pointer
+register char *__stack_pointer __asm__ ("sp");
+
+/* XXX Until we have a better place keep the definitions here.  */
+
+/* While there is no such syscall.  */
+#define __exit_thread_inline(val) \
+  INLINE_SYSCALL (exit, 1, (val))
diff --git a/nptl/sysdeps/ia64/tcb-offsets.sym b/nptl/sysdeps/ia64/tcb-offsets.sym
new file mode 100644
index 0000000000..69b6b394ed
--- /dev/null
+++ b/nptl/sysdeps/ia64/tcb-offsets.sym
@@ -0,0 +1,4 @@
+#include <sysdep.h>
+#include <tls.h>
+
+MULTIPLE_THREADS_OFFSET offsetof (struct pthread, multiple_threads) - sizeof (struct pthread)
diff --git a/nptl/sysdeps/ia64/td_ta_map_lwp2thr.c b/nptl/sysdeps/ia64/td_ta_map_lwp2thr.c
new file mode 100644
index 0000000000..0931ce944d
--- /dev/null
+++ b/nptl/sysdeps/ia64/td_ta_map_lwp2thr.c
@@ -0,0 +1,44 @@
+/* Which thread is running on an LWP?  IA-64 version.
+   Copyright (C) 2003 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.  */
+
+#include "thread_dbP.h"
+#include <tls.h>
+
+
+td_err_e
+td_ta_map_lwp2thr (const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th)
+{
+  LOG ("td_ta_map_lwp2thr");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  prgregset_t regs;
+  if (ps_lgetregs (ta->ph, lwpid, regs) != PS_OK)
+    return TD_ERR;
+
+  /* IA-64 thread register is r13.  */
+  th->th_unique = regs[13];
+
+  /* Found it.  Now complete the `td_thrhandle_t' object.  */
+  th->th_ta_p = (td_thragent_t *) ta;
+
+  return TD_OK;
+}
diff --git a/nptl/sysdeps/ia64/tls.h b/nptl/sysdeps/ia64/tls.h
new file mode 100644
index 0000000000..8a13a59d30
--- /dev/null
+++ b/nptl/sysdeps/ia64/tls.h
@@ -0,0 +1,128 @@
+/* Definition for thread-local data handling.  nptl/IA-64 version.
+   Copyright (C) 2003 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 <dl-sysdep.h>
+#ifndef __ASSEMBLER__
+# include <stddef.h>
+# include <stdint.h>
+# include <stdlib.h>
+# include <list.h>
+
+
+/* Type for the dtv.  */
+typedef union dtv
+{
+  size_t counter;
+  void *pointer;
+} dtv_t;
+
+
+typedef struct
+{
+  dtv_t *dtv;
+  void *private;
+} tcbhead_t;
+
+# define TLS_MULTIPLE_THREADS_IN_TCB 1
+
+#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>
+
+register struct pthread *__thread_self __asm__("r13");
+
+/* 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)
+
+/* This is the size we need before TCB.  */
+# define TLS_PRE_TCB_SIZE sizeof (struct pthread)
+
+/* Alignment requirements for the TCB.  */
+# define TLS_TCB_ALIGN __alignof__ (struct pthread)
+
+/* The DTV is allocated at the TP; the TCB is placed elsewhere.  */
+# define TLS_DTV_AT_TP	1
+
+/* Get the thread descriptor definition.  */
+# include <nptl/descr.h>
+
+/* 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.  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(thrdescr, secondcall) \
+  (__thread_self = (thrdescr), NULL)
+
+/* Return the address of the dtv for the current thread.  */
+#  define THREAD_DTV() \
+  (((tcbhead_t *)__thread_self)->dtv)
+
+/* Return the thread descriptor for the current thread.  */
+# define THREAD_SELF (__thread_self - 1)
+
+/* Access to data in the thread descriptor is easy.  */
+#define THREAD_GETMEM(descr, member) \
+  descr->member
+#define THREAD_GETMEM_NC(descr, member, idx) \
+  descr->member[idx]
+#define THREAD_SETMEM(descr, member, value) \
+  descr->member = (value)
+#define THREAD_SETMEM_NC(descr, member, idx, value) \
+  descr->member[idx] = (value)
+
+#endif /* __ASSEMBLER__ */
+
+#endif	/* tls.h */