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-rw-r--r--libpthread/linuxthreads/sysdeps/ia64/CVS/Entries7
-rw-r--r--libpthread/linuxthreads/sysdeps/ia64/CVS/Repository1
-rw-r--r--libpthread/linuxthreads/sysdeps/ia64/CVS/Root1
-rw-r--r--libpthread/linuxthreads/sysdeps/ia64/pspinlock.c79
-rw-r--r--libpthread/linuxthreads/sysdeps/ia64/pt-machine.h133
-rw-r--r--libpthread/linuxthreads/sysdeps/ia64/tcb-offsets.sym9
-rw-r--r--libpthread/linuxthreads/sysdeps/ia64/tls.h145
7 files changed, 375 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/sysdeps/ia64/CVS/Entries b/libpthread/linuxthreads/sysdeps/ia64/CVS/Entries
new file mode 100644
index 000000000..a259a3611
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/ia64/CVS/Entries
@@ -0,0 +1,7 @@
+/Makefile/1.1/Tue Nov 15 14:20:47 2005//
+/Versions/1.2/Tue Nov 15 14:20:47 2005//
+/pspinlock.c/1.5/Tue Nov 15 14:20:47 2005//
+/pt-machine.h/1.15/Tue Nov 15 14:20:47 2005//
+/tcb-offsets.sym/1.6/Tue Nov 15 14:20:47 2005//
+/tls.h/1.10/Wed Nov 16 19:58:55 2005//
+D
diff --git a/libpthread/linuxthreads/sysdeps/ia64/CVS/Repository b/libpthread/linuxthreads/sysdeps/ia64/CVS/Repository
new file mode 100644
index 000000000..24c4c03c9
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/ia64/CVS/Repository
@@ -0,0 +1 @@
+ports/linuxthreads/sysdeps/ia64
diff --git a/libpthread/linuxthreads/sysdeps/ia64/CVS/Root b/libpthread/linuxthreads/sysdeps/ia64/CVS/Root
new file mode 100644
index 000000000..ca45c5d4d
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/ia64/CVS/Root
@@ -0,0 +1 @@
+:pserver:anoncvs@sources.redhat.com:/cvs/glibc
diff --git a/libpthread/linuxthreads/sysdeps/ia64/pspinlock.c b/libpthread/linuxthreads/sysdeps/ia64/pspinlock.c
new file mode 100644
index 000000000..d61aa3f43
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/ia64/pspinlock.c
@@ -0,0 +1,79 @@
+/* POSIX spinlock implementation. ia64 version.
+ Copyright (C) 2000, 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jes Sorensen <jes@linuxcare.com>
+
+ 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"
+#include <ia64intrin.h>
+
+/* This implementation is inspired by the implementation used in the
+ Linux kernel. */
+
+int
+__pthread_spin_lock (pthread_spinlock_t *lock)
+{
+ int *p = (int *) lock;
+
+ while (__builtin_expect (__sync_val_compare_and_swap (p, 0, 1), 0))
+ {
+ /* Spin without using the atomic instruction. */
+ do
+ __asm __volatile ("" : : : "memory");
+ while (*p);
+ }
+ return 0;
+}
+weak_alias (__pthread_spin_lock, pthread_spin_lock)
+
+
+int
+__pthread_spin_trylock (pthread_spinlock_t *lock)
+{
+ return __sync_val_compare_and_swap ((int *) lock, 0, 1) == 0 ? 0 : EBUSY;
+}
+weak_alias (__pthread_spin_trylock, pthread_spin_trylock)
+
+
+int
+__pthread_spin_unlock (pthread_spinlock_t *lock)
+{
+ return *lock = 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. */
+ return *lock = 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/ia64/pt-machine.h b/libpthread/linuxthreads/sysdeps/ia64/pt-machine.h
new file mode 100644
index 000000000..6c5dfe93b
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/ia64/pt-machine.h
@@ -0,0 +1,133 @@
+/* Machine-dependent pthreads configuration and inline functions.
+ IA-64 version.
+ Copyright (C) 1999, 2000, 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; 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
+
+#include <ia64intrin.h>
+
+#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);
+
+/* Make sure gcc doesn't try to be clever and move things around on
+ us. We need to use _exactly_ the address the user gave us, not some
+ alias that contains the same information. */
+#define __atomic_fool_gcc(x) (*(volatile struct { int a[100]; } *)x)
+
+#ifndef ELF_MACHINE_NAME
+
+#define NEED_SEPARATE_REGISTER_STACK
+
+/* 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
+
+/* Get some notion of the current stack. Need not be exactly the top
+ of the stack, just something somewhere in the current frame.
+ r12 (sp) is the stack pointer. */
+#define CURRENT_STACK_FRAME stack_pointer
+register char *stack_pointer __asm__ ("sp");
+
+
+/* Register r13 (tp) is reserved by the ABI as "thread pointer". */
+struct _pthread_descr_struct;
+register struct _pthread_descr_struct *__thread_self __asm__("r13");
+
+/* 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))
+
+
+/* Memory barrier */
+#define MEMORY_BARRIER() __sync_synchronize ()
+
+
+#define HAS_COMPARE_AND_SWAP_WITH_RELEASE_SEMANTICS
+
+PT_EI int
+__compare_and_swap (long int *p, long int oldval, long int newval)
+{
+ long int readval;
+
+ __asm__ __volatile__
+ ("mov ar.ccv=%4;;\n\t"
+ "cmpxchg8.acq %0=%1,%2,ar.ccv"
+ : "=r" (readval), "=m" (__atomic_fool_gcc (p))
+ : "r"(newval), "m" (__atomic_fool_gcc (p)), "r" (oldval)
+ : "memory");
+ return readval == oldval;
+}
+
+PT_EI int
+__compare_and_swap_with_release_semantics (long int *p,
+ long int oldval,
+ long int newval)
+{
+ long int readval;
+
+ __asm__ __volatile__
+ ("mov ar.ccv=%4;;\n\t"
+ "cmpxchg8.rel %0=%1,%2,ar.ccv"
+ : "=r" (readval), "=m" (__atomic_fool_gcc (p))
+ : "r"(newval), "m" (__atomic_fool_gcc (p)), "r" (oldval)
+ : "memory");
+ return readval == oldval;
+}
+
+#endif /* ELF_MACHINE_NAME */
+
+/* Spinlock implementation; required. */
+PT_EI long int
+testandset (int *spinlock)
+{
+ long int ret;
+
+ __asm__ __volatile__(
+ "xchg4 %0=%1,%2"
+ : "=r"(ret), "=m"(__atomic_fool_gcc (spinlock))
+ : "r"(1), "m"(__atomic_fool_gcc (spinlock))
+ : "memory");
+
+ return ret;
+}
+
+/* Indicate that we are looping. */
+#define BUSY_WAIT_NOP __asm__ ("hint @pause")
+
+#endif /* pt-machine.h */
diff --git a/libpthread/linuxthreads/sysdeps/ia64/tcb-offsets.sym b/libpthread/linuxthreads/sysdeps/ia64/tcb-offsets.sym
new file mode 100644
index 000000000..f7793f766
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/ia64/tcb-offsets.sym
@@ -0,0 +1,9 @@
+#include <sysdep.h>
+#include <tls.h>
+
+--
+#ifdef USE_TLS
+MULTIPLE_THREADS_OFFSET offsetof (struct _pthread_descr_struct, p_multiple_threads) - sizeof (struct _pthread_descr_struct)
+#else
+MULTIPLE_THREADS_OFFSET offsetof (tcbhead_t, multiple_threads)
+#endif
diff --git a/libpthread/linuxthreads/sysdeps/ia64/tls.h b/libpthread/linuxthreads/sysdeps/ia64/tls.h
new file mode 100644
index 000000000..0311a9ccb
--- /dev/null
+++ b/libpthread/linuxthreads/sysdeps/ia64/tls.h
@@ -0,0 +1,145 @@
+/* Definitions for thread-local data handling. linuxthreads/IA-64 version.
+ Copyright (C) 2002, 2003, 2004, 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;
+
+#else /* __ASSEMBLER__ */
+# include <tcb-offsets.h>
+#endif /* __ASSEMBLER__ */
+
+#ifdef HAVE_TLS_SUPPORT
+
+/* Signal that TLS support is available. */
+# define USE_TLS 1
+
+# ifndef __ASSEMBLER__
+
+typedef struct
+{
+ dtv_t *dtv;
+ void *private;
+} tcbhead_t;
+
+/* 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_descr_struct)
+
+/* Alignment requirements for the TCB. */
+# define TLS_TCB_ALIGN __alignof__ (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 *)__thread_self)->dtv = (DTV))
+
+/* Return dtv of given thread descriptor. */
+# define GET_DTV(tcbp) \
+ (((tcbhead_t *) (tcbp))->dtv)
+
+#if defined NEED_DL_SYSINFO
+# define INIT_SYSINFO \
+ (((tcbhead_t *) __thread_self)->private = (void *) GLRO(dl_sysinfo))
+#else
+# define INIT_SYSINFO 0
+#endif
+
+/* 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) \
+ (__thread_self = (__typeof (__thread_self)) (tcbp), INIT_SYSINFO, 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. */
+# undef THREAD_SELF
+# define THREAD_SELF (__thread_self - 1)
+
+# undef INIT_THREAD_SELF
+# define INIT_THREAD_SELF(descr, nr) \
+ (__thread_self = (struct _pthread_descr_struct *)(descr) + 1)
+
+# define TLS_MULTIPLE_THREADS_IN_TCB 1
+
+/* Get the thread descriptor definition. */
+# include <linuxthreads/descr.h>
+
+# endif
+
+#else
+
+# ifndef __ASSEMBLER__
+
+typedef struct
+{
+ void *tcb;
+ dtv_t *dtv;
+ void *self;
+ int multiple_threads;
+} tcbhead_t;
+
+/* Get the thread descriptor definition. */
+# include <linuxthreads/descr.h>
+
+# 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
+
+#endif /* USE_TLS */
+
+#endif /* tls.h */