Initial revisioncvs/initial

2002-11-26  Ulrich Drepper  <drepper@redhat.com>
	* allocatestack.c (queue_stack): Don't remove stack from list here.
	Do it in the caller.  Correct condition to prematurely terminate
	loop to free stacks.
	(__deallocate_stack): Remove stack from list here.
2002-11-26  Ulrich Drepper  <drepper@redhat.com>
	* Makefile (tests): Add tst-stack1.
	* tst-stack1.c: New file.
	* allocatestack.c (allocate_stack): Initialize the TCB on a user
	provided stack.
	* pthread_attr_getstack.c: Return bottom of the thread area.
2002-11-25  Ulrich Drepper  <drepper@redhat.com>
	* Makefile (libpthread-routines): Add pt-allocrtsig and
	pthread_kill_other_threads.
	* pt-allocrtsig.c: New file.
	* pthread_kill_other_threads.c: New file.
	* sysdeps/unix/sysv/linux/allocrtsig.c: Add additional aliases for
	all three functions.
	* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove
	allocrtsig.
	* sysdeps/unix/sysv/linux/Versions (libc:GLIBC_PRIVATE): Export
	__libc_current_sigrtmin_private, __libc_current_sigrtmax_private,
	and __libc_allocate_rtsig_private.
	* Versions (libpthread): Export pthread_kill_other_threads_np,
	__libc_current_sigrtmin, and __libc_current_sigrtmax.
2002-11-24  Ulrich Drepper  <drepper@redhat.com>

	* allocatestack.c (allocate_stack): stackaddr in attribute points to
	the end of the stack.  Adjust computations.
	When mprotect call fails dequeue stack and free it.
	* pthread_attr_setstack.c: Store top of the stack in stackaddr
	attribute.
	* pthread_getattr_np.c: Likewise.

	* descr.h (IS_DETACHED): Add some more parenthesis to prevent
	surprises.

2002-11-23  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/pthread/pthread.h (pthread_self): __THROW must come before
	attribute definitions.  Patch by Luca Barbieri <ldb@ldb.ods.org>.

2002-11-22  Ulrich Drepper  <drepper@redhat.com>

	* pthread_getspecific.c: Optimize access to first 2nd-level array.
	* pthread_setspecific.c: Likewise.

2002-11-21  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/i386/createthread.c: Remove CLONE_ flags
	definitions.  Get them from the official place.
	* sysdeps/unix/sysv/linux/i386/fork.c: Likewise.

	* sysdeps/unix/sysv/linux/i386/createthread.c: Update CLONE_* flags.
	Use new CLONE_ flags in clone() calls.

	* sysdeps/unix/sysv/linux/fork.c: Use ARCH_FORK to actually fork.
	* sysdeps/unix/sysv/linux/i386/fork.c: New file.

	* Versions: Add pthread_* functions for libc.
	* forward.c: New file.

	* sysdeps/pthread/Makefile (libpthread-sysdeps_routines): Add
	errno-loc.
	* herrno.c: New file.
	* res.c: New file.

	* Makefile (libpthread-routines): Remove sem_post, sem_wait,
	sem_trywait, and sem_timedwait.  Add herrno and res.
	* sem_init.c: Don't initialize lock and waiters members.
	* sem_open.c: Likewise.
	* sem_post.c: Removed.
	* sem_wait.c: Removed.
	* sem_trywait.c: Removed.
	* sem_timedwait.c: Removed.
	* sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Complete rewrite.
	Includes full implementations of sem_post, sem_wait, sem_trywait,
	and sem_timedwait.
	* sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Adjust
	for new implementation.
	* sysdeps/unix/sysv/linux/internaltypes.h (struct sem): Remove lock
	and waiters fields.

	* tst-sem3.c: Improve error message.
	* tst-signal3.c: Likewise.

	* init.c (__pthread_initialize_minimal): Use set_tid_address syscall
	to tell the kernel about the termination futex and to initialize tid
	member.  Don't initialize main_thread.
	* descr.h (struct pthread): Remove main_thread member.
	* cancelllation.c (__do_cancel): Remove code handling main thread.
	The main thread is not special anymore.

	* allocatestack.c (__reclaim_stacks): Mark stacks as unused.  Add
	size of the stacks to stack_cache_actsize.

	* pt-readv.c: Add missing "defined".
	* pt-sigwait.c: Likewise.
	* pt-writev.c: Likewise.

2002-11-09  Ulrich Drepper  <drepper@redhat.com>

	* Versions: Export __connect from libpthread.
	Patch by Luca Barbieri <ldb@ldb.ods.org>.

	* Makefile (libpthread-routines): Add pt-raise.
	* sysdeps/unix/sysv/linux/raise.c: New file.
	* sysdeps/unix/sysv/linux/pt-raise.c: New file.
	* sysdeps/generic/pt-raise.c: New file.

	* pthread_cond_init.c: Initialize all data elements of the condvar
	structure.  Patch by Luca Barbieri <ldb@ldb.ods.org>.

	* pthread_attr_init.c: Actually implement 2.0 compatibility version.
	* pthread_create.c: Likewise.

	* Makefile (tests): Add tst-key1, tst-key2, tst-key3.
	* tst-key1.c: New file.
	* tst-key2.c: New file.
	* tst-key3.c: New file.

	* Versions: Export pthread_detach for version GLIBC_2.0.
	Reported by Saurabh Desai <sdesai@austin.ibm.com>.

2002-11-08  Ulrich Drepper  <drepper@redhat.com>

	* pthread_key_create.c: Terminate search after an unused key was found.
	Patch by Luca Barbieri <ldb@ldb.ods.org>.

	* sysdeps/unix/sysv/linux/i386/pthread_once.S: Return zero.
	Patch by Luca Barbieri <ldb@ldb.ods.org>.

2002-10-10  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Use slow generic
	dynamic lookup for errno in PIC.

	* allocatestack.c (get_cached_stack): Rearrange code slightly to
	release the stack lock as soon as possible.
	Call _dl_allocate_tls_init for TCB from the cache to re-initialize
	the static TLS block.
	(allocate_stack): Call _dl_allocate_tls_init for user-provided stack.

	* cancellation.c: Renamed from cancelation.c.
	* Makefile: Adjust accordingly.
	* pthreadP.h (CANCELLATION_P): Renamed from CANCELATION_P.
	* cleanup_defer.c: Use CANCELLATION_P.
	* pthread_testcancel.c: Likewise.
	* descr.h: Fix spelling in comments.
	* init.c: Likewise.
	* pthread_getattr_np.c: Likewise.
	* pthread_getschedparam.c: Likewise.
	* pthread_setschedparam.c: Likewise.
	* Versions: Likewise.

	* pt-pselect.c: New file.
	* Makefile (libpthread-routines): Add pt-pselect.
	* Versions: Add pselect.

	* tst-cancel4.c: New file.
	* Makefile (tests): Add tst-cancel4.

2002-10-09  Ulrich Drepper  <drepper@redhat.com>

	* pthread_mutex_lock.c: Always record lock ownership.
	* pthread_mutex_timedlock.c: Likewise.
	* pthread_mutex_trylock.c: Likewise.

	* pt-readv.c: New file.
	* pt-writev.c: New file.
	* pt-creat.c: New file.
	* pt-msgrcv.c: New file.
	* pt-msgsnd.c: New file.
	* pt-poll.c: New file.
	* pt-select.c: New file.
	* pt-sigpause.c: New file.
	* pt-sigsuspend.c: New file.
	* pt-sigwait.c: New file.
	* pt-sigwaitinfo.c: New file.
	* pt-waitid.c: New file.
	* Makefile (libpthread-routines): Add pt-readv, pt-writev, pt-creat,
	pt-msgrcv, pt-msgsnd, pt-poll, pt-select, pt-sigpause, pt-sigsuspend,
	pt-sigwait, pt-sigwaitinfo, and pt-waitid.
	* Versions: Add all the new functions.

	* tst-exit1.c: New file.
	* Makefile (tests): Add tst-exit1.

	* sem_timedwait.c: Minor optimization for more optimal fastpath.

2002-10-08  Ulrich Drepper  <drepper@redhat.com>

	* pt-fcntl.c: Only enable asynchronous cancellation for F_SETLKW.

	* pthread_join.c: Enable asynchronous cancellation around lll_wait_tid
	call.  pthread_join is an official cancellation point.
	* pthread_timedjoin.c: Likewise.

	* pthread_cond_wait.c: Revert order in which internal lock are dropped
	and the condvar's mutex are retrieved.
	* pthread_cond_timedwait.c: Likewise.
	Reported by dice@saros.East.Sun.COM.

2002-10-07  Ulrich Drepper  <drepper@redhat.com>

	* pthreadP.h: Cut out all type definitions and move them...
	* sysdeps/unix/sysv/linux/internaltypes.h: ...here.  New file.
	* pthreadP.h: Include <internaltypes.h>.

	* sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Little
	performance tweaks.

	* sem_trywait.c: Shuffle #includes around to get right order.
	* sem_timedwait.c: Likewise.
	* sem_post.c: Likewise.
	* sem_wait.c: Likewise.

	* nptl 0.3 released.

	* Makefile (tests): Add tst-signal3.
	* tst-signal3.c: New file.

2002-10-05  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/i386/lowlevelsem.h: Tell the compiler that
	the asms modify the sem object.
	(__lll_sem_timedwait): Now takes struct sem* as first parameter.

	* sysdeps/unix/sysv/linux/i386/bits/semaphore.h (sem_t): Don't expose
	the actual members.
	* pthreadP.h (struct sem): New type.  Actual semaphore type.
	* semaphoreP.h: Include pthreadP.h.
	* sem_getvalue.c: Adjust to sem_t change.
	* sem_init.c: Likewise.
	* sem_open.c: Likewise.
	* sem_post.c: Likewise.
	* sem_timedwait.c: Likewise.
	* sem_trywait.c: Likewise.
	* sem_wait.c: Likewise.

2002-10-04  Ulrich Drepper  <drepper@redhat.com>

	* Makefile (tests): Add tst-basic2, tst-exec1, tst-exec3, tst-exec3.
	* tst-basic2.c: New file.
	* tst-exec1.c: New file.
	* tst-exec2.c: New file.
	* tst-exec3.c: New file.

	* tst-fork1.c: Remove extra */.

	* nptl 0.2 released.  The API for IA-32 is complete.

45 files changed, 2635 insertions, 0 deletions

diff --git a/nptl_db/Makefile b/nptl_db/Makefile
new file mode 100644
index 0000000..4812cd2
--- /dev/null
+++ b/nptl_db/Makefile
@@ -0,0 +1,57 @@
+# Copyright (C) 2002 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.
+
+# Makefile for NPTL debug library subdirectory of GNU C Library.
+
+subdir          := nptl_db
+
+nptl_db-version = 1.0
+
+extra-libs = libthread_db
+extra-libs-others := $(extra-libs)
+
+headers         = thread_db.h
+
+libthread_db-routines = td_init td_log td_ta_new td_ta_delete \
+			td_ta_get_nthreads td_ta_get_ph \
+			td_ta_map_id2thr td_ta_map_lwp2thr \
+			td_ta_thr_iter td_ta_tsd_iter \
+			td_thr_get_info td_thr_getfpregs td_thr_getgregs \
+			td_thr_getxregs td_thr_getxregsize td_thr_setfpregs \
+			td_thr_setgregs td_thr_setprio td_thr_setsigpending \
+			td_thr_setxregs td_thr_sigsetmask td_thr_tsd \
+			td_thr_validate td_thr_dbsuspend td_thr_dbresume \
+			td_ta_setconcurrency td_ta_enable_stats \
+			td_ta_reset_stats td_ta_get_stats td_ta_event_addr \
+			td_thr_event_enable td_thr_set_event \
+			td_thr_clear_event td_thr_event_getmsg \
+			td_ta_set_event td_ta_event_getmsg \
+			td_ta_clear_event td_symbol_list td_thr_tls_get_addr
+
+
+
+libthread_db-inhibit-o = $(filter-out .os,$(object-suffixes))
+
+distribute = thread_dbP.h shlib-versions proc_service.h
+include ../Rules
+
+# Depend on libc.so so a DT_NEEDED is generated in the shared objects.
+# This ensures they will load libc.so for needed symbols if loaded by
+# a statically-linked program that hasn't already loaded it.
+$(objpfx)libthread_db.so: $(common-objpfx)libc.so \
+			  $(common-objpfx)libc_nonshared.a
diff --git a/nptl_db/Versions b/nptl_db/Versions
new file mode 100644
index 0000000..4ca8042
--- /dev/null
+++ b/nptl_db/Versions
@@ -0,0 +1,21 @@
+libthread_db {
+  GLIBC_2.1.3 {
+    # t*
+    td_init; td_log; td_ta_clear_event; td_ta_delete; td_ta_enable_stats;
+    td_ta_event_addr; td_ta_event_getmsg; td_ta_get_nthreads; td_ta_get_ph;
+    td_ta_get_stats; td_ta_map_id2thr; td_ta_map_lwp2thr; td_ta_new;
+    td_ta_reset_stats; td_ta_set_event; td_ta_setconcurrency;
+    td_ta_thr_iter; td_ta_tsd_iter; td_thr_clear_event; td_thr_dbresume;
+    td_thr_dbsuspend; td_thr_event_enable; td_thr_event_getmsg;
+    td_thr_get_info; td_thr_getfpregs; td_thr_getgregs; td_thr_getxregs;
+    td_thr_getxregsize; td_thr_set_event; td_thr_setfpregs; td_thr_setgregs;
+    td_thr_setprio; td_thr_setsigpending; td_thr_setxregs; td_thr_sigsetmask;
+    td_thr_tsd; td_thr_validate;
+  }
+  GLIBC_2.2.3 {
+    td_symbol_list;
+  }
+  GLIBC_2.3 {
+    td_thr_tls_get_addr;
+  }
+}
diff --git a/nptl_db/proc_service.h b/nptl_db/proc_service.h
new file mode 100644
index 0000000..9963c3a
--- /dev/null
+++ b/nptl_db/proc_service.h
@@ -0,0 +1,73 @@
+/* Copyright (C) 1999, 2002 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.  */
+
+/* The definitions in this file must correspond to those in the debugger.  */
+#include <sys/procfs.h>
+
+typedef enum
+{
+  PS_OK,          /* generic "call succeeded" */
+  PS_ERR,         /* generic. */
+  PS_BADPID,      /* bad process handle */
+  PS_BADLID,      /* bad lwp identifier */
+  PS_BADADDR,     /* bad address */
+  PS_NOSYM,       /* p_lookup() could not find given symbol */
+        PS_NOFREGS
+  /*
+   * FPU register set not available for given
+   * lwp
+   */
+}       ps_err_e;
+
+
+struct ps_prochandle;		/* user defined. */
+
+
+extern ps_err_e ps_pdread(struct ps_prochandle *,
+                        psaddr_t, void *, size_t);
+extern ps_err_e ps_pdwrite(struct ps_prochandle *,
+                        psaddr_t, const void *, size_t);
+extern ps_err_e ps_ptread(struct ps_prochandle *,
+                        psaddr_t, void *, size_t);
+extern ps_err_e ps_ptwrite(struct ps_prochandle *,
+                        psaddr_t, const void *, size_t);
+
+extern ps_err_e ps_pglobal_lookup(struct ps_prochandle *,
+        const char *object_name, const char *sym_name, psaddr_t *sym_addr);
+
+
+extern ps_err_e ps_lgetregs(struct ps_prochandle *,
+                        lwpid_t, prgregset_t);
+extern ps_err_e ps_lsetregs(struct ps_prochandle *,
+                        lwpid_t, const prgregset_t);
+extern ps_err_e ps_lgetfpregs(struct ps_prochandle *,
+                        lwpid_t, prfpregset_t *);
+extern ps_err_e ps_lsetfpregs(struct ps_prochandle *,
+                        lwpid_t, const prfpregset_t *);
+
+extern pid_t ps_getpid (struct ps_prochandle *);
+
+
+extern ps_err_e ps_pstop (const struct ps_prochandle *);
+extern ps_err_e ps_pcontinue (const struct ps_prochandle *);
+
+extern ps_err_e ps_lstop (const struct ps_prochandle *, lwpid_t);
+extern ps_err_e ps_lcontinue (const struct ps_prochandle *, lwpid_t);
+
+extern ps_err_e ps_get_thread_area (const struct ps_prochandle *, lwpid_t,
+				    int, psaddr_t *);
diff --git a/nptl_db/shlib-versions b/nptl_db/shlib-versions
new file mode 100644
index 0000000..592f7fa
--- /dev/null
+++ b/nptl_db/shlib-versions
@@ -0,0 +1,2 @@
+# The thread debug library
+.*-.*-linux.*		libthread_db=1
diff --git a/nptl_db/td_init.c b/nptl_db/td_init.c
new file mode 100644
index 0000000..946ff72
--- /dev/null
+++ b/nptl_db/td_init.c
@@ -0,0 +1,32 @@
+/* Initialization function of thread debugger support library.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+int __td_debug;
+
+
+td_err_e
+td_init (void)
+{
+  /* XXX We have to figure out what has to be done.  */
+  LOG ("td_init");
+  return TD_OK;
+}
diff --git a/nptl_db/td_log.c b/nptl_db/td_log.c
new file mode 100644
index 0000000..52212a0
--- /dev/null
+++ b/nptl_db/td_log.c
@@ -0,0 +1,32 @@
+/* Noop, left for historical reasons.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_log (void)
+{
+  /* This interface is deprecated in the Sun interface.  We provide it
+     for compatibility but don't do anything ourself.  We might in
+     future do some logging if this seems reasonable.  */
+  LOG ("td_log");
+  return TD_OK;
+}
diff --git a/nptl_db/td_symbol_list.c b/nptl_db/td_symbol_list.c
new file mode 100644
index 0000000..1be7001
--- /dev/null
+++ b/nptl_db/td_symbol_list.c
@@ -0,0 +1,55 @@
+/* Return list of symbols the library can request.
+   Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
+
+   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 <assert.h>
+#include <gnu/lib-names.h>
+#include "thread_dbP.h"
+
+
+static const char *symbol_list_arr[] =
+{
+  [SYM_PTHREAD_THREADS_EVENTS] = "__nptl_threads_events",
+  [SYM_PTHREAD_LAST_EVENT] = "__nptl_last_event",
+  [SYM_PTHREAD_NTHREADS] = "nptl_nthreads",
+  [SYM_PTHREAD_STACK_USED] = "stack_used",
+  [SYM_PTHREAD_STACK_USER] = "__stack_user",
+  [SYM_PTHREAD_KEYS] = "pthread_keys",
+  [SYM_PTHREAD_KEYS_MAX] = "__pthread_pthread_keys_max",
+  [SYM_PTHREAD_SIZEOF_DESCR] = "__pthread_pthread_sizeof_descr",
+  [SYM_PTHREAD_CREATE_EVENT] = "__nptl_create_event",
+  [SYM_PTHREAD_DEATH_EVENT] = "__nptl_death_event",
+  [SYM_PTHREAD_VERSION] = "nptl_version",
+  [SYM_NUM_MESSAGES] = NULL
+};
+
+
+const char **
+td_symbol_list (void)
+{
+  return symbol_list_arr;
+}
+
+
+int
+td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr)
+{
+  assert (idx >= 0 && idx < SYM_NUM_MESSAGES);
+  return ps_pglobal_lookup (ps, LIBPTHREAD_SO, symbol_list_arr[idx], sym_addr);
+}
diff --git a/nptl_db/td_ta_clear_event.c b/nptl_db/td_ta_clear_event.c
new file mode 100644
index 0000000..611281f
--- /dev/null
+++ b/nptl_db/td_ta_clear_event.c
@@ -0,0 +1,52 @@
+/* Globally disable events.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_ta_clear_event (ta, event)
+     const td_thragent_t *ta;
+     td_thr_events_t *event;
+{
+  LOG ("td_ta_clear_event");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  /* Write the new value into the thread data structure.  */
+  td_thr_events_t old_event;
+  if (ps_pdread (ta->ph, ta->pthread_threads_eventsp,
+		 &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Remove the set bits in.  */
+  int i;
+  for (i = 0; i < TD_EVENTSIZE; ++i)
+    old_event.event_bits[i] &= ~event->event_bits[i];
+
+  /* Write the new value into the thread data structure.  */
+  if (ps_pdwrite (ta->ph, ta->pthread_threads_eventsp,
+		  &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_ta_delete.c b/nptl_db/td_ta_delete.c
new file mode 100644
index 0000000..57b90e5
--- /dev/null
+++ b/nptl_db/td_ta_delete.c
@@ -0,0 +1,42 @@
+/* Detach to target process.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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 <stdlib.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_delete (td_thragent_t *ta)
+{
+  LOG ("td_ta_delete");
+
+  /* Safety check.  Note that the test will also fail for TA == NULL.  */
+  if (!ta_ok (ta))
+    return TD_BADTA;
+
+  /* Remove the handle from the list.  */
+  list_del (&ta->list);
+
+  /* The handle was allocated in `td_ta_new'.  */
+  free (ta);
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_ta_enable_stats.c b/nptl_db/td_ta_enable_stats.c
new file mode 100644
index 0000000..ec7014a
--- /dev/null
+++ b/nptl_db/td_ta_enable_stats.c
@@ -0,0 +1,35 @@
+/* Enable collection of statistics for process.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_ta_enable_stats (const td_thragent_t *ta, int enable)
+{
+  /* XXX We have to figure out what has to be done.  */
+  LOG ("td_ta_enable_stats");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_ta_event_addr.c b/nptl_db/td_ta_event_addr.c
new file mode 100644
index 0000000..906835d
--- /dev/null
+++ b/nptl_db/td_ta_event_addr.c
@@ -0,0 +1,69 @@
+/* Get event address.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_ta_event_addr (const td_thragent_t *ta, td_event_e event, td_notify_t *addr)
+{
+  td_err_e res = TD_NOEVENT;
+  int idx = -1;
+
+  LOG ("td_ta_event_addr");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  switch (event)
+    {
+    case TD_CREATE:
+      idx = SYM_PTHREAD_CREATE_EVENT;
+      break;
+
+    case TD_DEATH:
+      idx = SYM_PTHREAD_DEATH_EVENT;
+      break;
+
+    default:
+      /* Event cannot be handled.  */
+      break;
+    }
+
+  /* Now get the address.  */
+  if (idx != -1)
+    {
+      psaddr_t taddr;
+
+      if (td_lookup (ta->ph, idx, &taddr) == PS_OK)
+	{
+	  /* Success, we got the address.  */
+	  addr->type = NOTIFY_BPT;
+	  addr->u.bptaddr = taddr;
+
+	  res = TD_OK;
+	}
+      else
+	res = TD_ERR;
+    }
+
+  return res;
+}
diff --git a/nptl_db/td_ta_event_getmsg.c b/nptl_db/td_ta_event_getmsg.c
new file mode 100644
index 0000000..4e3245d
--- /dev/null
+++ b/nptl_db/td_ta_event_getmsg.c
@@ -0,0 +1,85 @@
+/* Retrieve event.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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 <stddef.h>
+#include <string.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_event_getmsg (const td_thragent_t *ta, td_event_msg_t *msg)
+{
+  /* XXX I cannot think of another way but using a static variable.  */
+  /* XXX Use at least __thread once it is possible.  */
+  static td_thrhandle_t th;
+
+  LOG ("td_ta_event_getmsg");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  /* Get the pointer to the thread descriptor with the last event.  */
+  psaddr_t addr;
+  if (ps_pdread (ta->ph, ta->pthread_last_event,
+		 &addr, sizeof (struct pthread *)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Read the even structure from the target.  */
+  if (addr == 0)
+    return TD_NOMSG;
+
+  /* Read the even structure from the target.  */
+  td_eventbuf_t event;
+  if (ps_pdread (ta->ph, (char *) addr + offsetof (struct pthread, eventbuf),
+		 &event, sizeof (td_eventbuf_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* If the structure is on the list there better be an event recorded.  */
+  assert (event.eventnum != TD_EVENT_NONE);
+
+  /* Generate the thread descriptor.  */
+  th.th_ta_p = (td_thragent_t *) ta;
+  th.th_unique = addr;
+
+  /* Fill the user's data structure.  */
+  msg->event = event.eventnum;
+  msg->th_p = &th;
+  msg->msg.data = (uintptr_t) event.eventdata;
+
+  /* Get the pointer to the next descriptor with an event.  */
+  psaddr_t next;
+  if (ps_pdread (ta->ph, (char *) addr + offsetof (struct pthread, nextevent),
+		 &next, sizeof (struct pthread *)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Store the pointer in the list head variable.  */
+  if (ps_pdwrite (ta->ph, ta->pthread_last_event,
+		 addr, sizeof (struct pthread *)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Clear the next pointer in the current descriptor.  */
+  if (ps_pdwrite (ta->ph, (char *) addr + offsetof (struct pthread, nextevent),
+		  NULL, sizeof (struct pthread *)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_ta_get_nthreads.c b/nptl_db/td_ta_get_nthreads.c
new file mode 100644
index 0000000..cfe93d1
--- /dev/null
+++ b/nptl_db/td_ta_get_nthreads.c
@@ -0,0 +1,41 @@
+/* Get the number of threads in the process.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+td_err_e
+td_ta_get_nthreads (const td_thragent_t *ta, int *np)
+{
+  LOG ("td_ta_get_nthreads");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  /* Access the variable `__pthread_handles_num'.  */
+  psaddr_t addr;
+  if (td_lookup (ta->ph, SYM_PTHREAD_NTHREADS, &addr) != PS_OK)
+     return TD_ERR;	/* XXX Other error value?  */
+
+  if (ps_pdread (ta->ph, addr, np, sizeof (int)) != PS_OK)
+     return TD_ERR;	/* XXX Other error value?  */
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_ta_get_ph.c b/nptl_db/td_ta_get_ph.c
new file mode 100644
index 0000000..04e01fb
--- /dev/null
+++ b/nptl_db/td_ta_get_ph.c
@@ -0,0 +1,36 @@
+/* Get external process handle.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_ta_get_ph (const td_thragent_t *ta, struct ps_prochandle **ph)
+{
+  LOG ("td_ta_get_ph");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  *ph = ta->ph;
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_ta_get_stats.c b/nptl_db/td_ta_get_stats.c
new file mode 100644
index 0000000..d5d879c
--- /dev/null
+++ b/nptl_db/td_ta_get_stats.c
@@ -0,0 +1,35 @@
+/* Retrieve statistics for process.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_ta_get_stats (const td_thragent_t *ta, td_ta_stats_t *statsp)
+{
+  /* XXX We have to figure out what has to be done.  */
+  LOG ("td_ta_get_stats");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_ta_map_id2thr.c b/nptl_db/td_ta_map_id2thr.c
new file mode 100644
index 0000000..189a671
--- /dev/null
+++ b/nptl_db/td_ta_map_id2thr.c
@@ -0,0 +1,38 @@
+/* Map thread ID to thread handle.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_ta_map_id2thr (const td_thragent_t *ta, pthread_t pt, td_thrhandle_t *th)
+{
+  LOG ("td_ta_map_id2thr");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  /* Create the `td_thrhandle_t' object.  */
+  th->th_ta_p = (td_thragent_t *) ta;
+  th->th_unique = (psaddr_t) pt;
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_ta_map_lwp2thr.c b/nptl_db/td_ta_map_lwp2thr.c
new file mode 100644
index 0000000..326b9ee
--- /dev/null
+++ b/nptl_db/td_ta_map_lwp2thr.c
@@ -0,0 +1,43 @@
+/* Which thread is running on an lwp?
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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;
+
+  /* Get the thread area for the addressed thread.  */
+  if (ps_get_thread_area (ta->ph, lwpid, TLS_GET_GS () >> 3, &th->th_unique)
+      != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Found it.  Now complete the `td_thrhandle_t' object.  */
+  th->th_ta_p = (td_thragent_t *) ta;
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_ta_new.c b/nptl_db/td_ta_new.c
new file mode 100644
index 0000000..de564ed
--- /dev/null
+++ b/nptl_db/td_ta_new.c
@@ -0,0 +1,115 @@
+/* Attach to target process.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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 <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <version.h>
+
+#include "thread_dbP.h"
+
+
+/* Datatype for the list of known thread agents.  Normally there will
+   be exactly one so we don't spend much though on making it fast.  */
+LIST_HEAD (__td_agent_list);
+
+
+td_err_e
+td_ta_new (struct ps_prochandle *ps, td_thragent_t **ta)
+{
+  psaddr_t addr;
+  psaddr_t versaddr;
+  char versbuf[sizeof (VERSION)];
+
+  LOG ("td_ta_new");
+
+  /* Get the global event mask.  This is one of the variables which
+     are new in the thread library to enable debugging.  If it is
+     not available we cannot debug.  */
+  if (td_lookup (ps, SYM_PTHREAD_THREADS_EVENTS, &addr) != PS_OK)
+    return TD_NOLIBTHREAD;
+
+  /* Check whether the versions match.  */
+  if (td_lookup (ps, SYM_PTHREAD_VERSION, &versaddr) != PS_OK)
+    return TD_VERSION;
+  if (ps_pdread (ps, versaddr, versbuf, sizeof (versbuf)) != PS_OK)
+    return TD_ERR;
+
+  if (versbuf[sizeof (versbuf) - 1] != '\0' || strcmp (versbuf, VERSION) != 0)
+    /* Not the right version.  */
+    return TD_VERSION;
+
+  /* Fill in the appropriate information.  */
+  *ta = (td_thragent_t *) malloc (sizeof (td_thragent_t));
+  if (*ta == NULL)
+    return TD_MALLOC;
+
+  /* Store the proc handle which we will pass to the callback functions
+     back into the debugger.  */
+  (*ta)->ph = ps;
+
+  /* Remember the address.  */
+  (*ta)->pthread_threads_eventsp = (td_thr_events_t *) addr;
+
+  /* Get the pointer to the variable pointing to the thread descriptor
+     with the last event.  */
+  if (td_lookup (ps, SYM_PTHREAD_LAST_EVENT, &(*ta)->pthread_last_event)
+      != PS_OK)
+    {
+    free_return:
+      free (*ta);
+      return TD_ERR;
+    }
+
+
+  if (td_lookup (ps, SYM_PTHREAD_STACK_USER, &addr) != PS_OK)
+    goto free_return;
+  /* Cast to the right type.  */
+  (*ta)->stack_user = (list_t *) addr;
+
+  if (td_lookup (ps, SYM_PTHREAD_STACK_USED, &addr) != PS_OK)
+    goto free_return;
+  /* Cast to the right type.  */
+  (*ta)->stack_used = (list_t *) addr;
+
+
+  if (td_lookup (ps, SYM_PTHREAD_KEYS, &addr) != PS_OK)
+    goto free_return;
+  /* Cast to the right type.  */
+  (*ta)->keys = (struct pthread_key_struct *) addr;
+
+
+  /* Similarly for the maximum number of thread local data keys.  */
+  if (td_lookup (ps, SYM_PTHREAD_KEYS_MAX, &addr) != PS_OK
+      || ps_pdread (ps, addr, &(*ta)->pthread_keys_max, sizeof (int)) != PS_OK)
+    goto free_return;
+
+
+  /* And for the size of the second level arrays for the keys.  */
+  if (td_lookup (ps, SYM_PTHREAD_SIZEOF_DESCR, &addr) != PS_OK
+      || ps_pdread (ps, addr, &(*ta)->sizeof_descr, sizeof (int)) != PS_OK)
+    goto free_return;
+
+
+  /* Now add the new agent descriptor to the list.  */
+  list_add (&(*ta)->list, &__td_agent_list);
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_ta_reset_stats.c b/nptl_db/td_ta_reset_stats.c
new file mode 100644
index 0000000..ea59d2c
--- /dev/null
+++ b/nptl_db/td_ta_reset_stats.c
@@ -0,0 +1,35 @@
+/* Reset statistics.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_ta_reset_stats (const td_thragent_t *ta)
+{
+  /* XXX We have to figure out what has to be done.  */
+  LOG ("td_ta_reset_stats");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_ta_set_event.c b/nptl_db/td_ta_set_event.c
new file mode 100644
index 0000000..5e2cca7
--- /dev/null
+++ b/nptl_db/td_ta_set_event.c
@@ -0,0 +1,52 @@
+/* Globally enable events.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_ta_set_event (ta, event)
+     const td_thragent_t *ta;
+     td_thr_events_t *event;
+{
+  LOG ("td_ta_set_event");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  /* Write the new value into the thread data structure.  */
+  td_thr_events_t old_event;
+  if (ps_pdread (ta->ph, ta->pthread_threads_eventsp,
+		 &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Or the new bits in.  */
+  int i;
+  for (i = 0; i < TD_EVENTSIZE; ++i)
+    old_event.event_bits[i] |= event->event_bits[i];
+
+  /* Write the new value into the thread data structure.  */
+  if (ps_pdwrite (ta->ph, ta->pthread_threads_eventsp,
+		  &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_ta_setconcurrency.c b/nptl_db/td_ta_setconcurrency.c
new file mode 100644
index 0000000..8552ffb
--- /dev/null
+++ b/nptl_db/td_ta_setconcurrency.c
@@ -0,0 +1,35 @@
+/* Set suggested concurrency level for process.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_ta_setconcurrency (const td_thragent_t *ta, int level)
+{
+  /* This is something LinuxThreads does not need to support.  */
+  LOG ("td_ta_setconcurrency");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  return TD_NOCAPAB;
+}
diff --git a/nptl_db/td_ta_thr_iter.c b/nptl_db/td_ta_thr_iter.c
new file mode 100644
index 0000000..ca1c82d
--- /dev/null
+++ b/nptl_db/td_ta_thr_iter.c
@@ -0,0 +1,125 @@
+/* Iterate over a process's threads.
+   Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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 <nptl/descr.h>
+
+
+static td_err_e
+iterate_thread_list (const td_thragent_t *ta, td_thr_iter_f *callback,
+		     void *cbdata_p, td_thr_state_e state, int ti_pri,
+		     psaddr_t head)
+{
+  list_t list;
+  td_err_e result = TD_OK;
+
+  /* Test the state.
+     XXX This is incomplete.  Normally this test should be in the loop.  */
+  if (state != TD_THR_ANY_STATE)
+    return TD_OK;
+
+  if (ps_pdread (ta->ph, head, &list, sizeof (list_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  while (list.next != head)
+    {
+      psaddr_t addr = ((psaddr_t) list.next
+		       - offsetof (struct pthread, header.data.list));
+
+      int schedpolicy;
+      if (ps_pdread (ta->ph, &((struct pthread *) addr)->schedpolicy,
+		     &schedpolicy, sizeof (int)) != PS_OK)
+	{
+	  result = TD_ERR;	/* XXX Other error value?  */
+	  break;
+	}
+
+      struct sched_param schedparam;
+      if (ps_pdread (ta->ph, &((struct pthread *) addr)->schedparam,
+		     &schedparam, sizeof (struct sched_param)) != PS_OK)
+	{
+	  result = TD_ERR;	/* XXX Other error value?  */
+	  break;
+	}
+
+      /* Now test whether this thread matches the specified
+	 conditions.  */
+
+      /* Only if the priority level is as high or higher.  */
+      int descr_pri = (schedpolicy == SCHED_OTHER
+		       ? 0 : schedparam.sched_priority);
+      if (descr_pri >= ti_pri)
+	{
+	  /* XXX For now we ignore threads which are not running anymore.
+	     The reason is that gdb tries to get the registers and fails.
+	     In future we should have a special mode of the thread library
+	     in which we keep the process around until the actual join
+	     operation happened.  */
+	  int cancelhandling;
+	  if (ps_pdread (ta->ph, &((struct pthread *) addr)->cancelhandling,
+			 &cancelhandling, sizeof (int)) != PS_OK)
+	    {
+	      result = TD_ERR;	/* XXX Other error value?  */
+	      break;
+	    }
+
+	  if ((cancelhandling & TERMINATED_BIT) == 0)
+	    {
+	      /* Yep, it matches.  Call the callback function.  */
+	      td_thrhandle_t th;
+	      th.th_ta_p = (td_thragent_t *) ta;
+	      th.th_unique = addr;
+	      if (callback (&th, cbdata_p) != 0)
+		return TD_DBERR;
+	    }
+	}
+    }
+
+  return result;
+}
+
+
+td_err_e
+td_ta_thr_iter (const td_thragent_t *ta, td_thr_iter_f *callback,
+		void *cbdata_p, td_thr_state_e state, int ti_pri,
+		sigset_t *ti_sigmask_p, unsigned int ti_user_flags)
+{
+  LOG ("td_ta_thr_iter");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  /* The thread library keeps two lists for the running threads.  One
+     list contains the thread which are using user-provided stacks
+     (this includes the main thread) and the other includes the
+     threads for which the thread library allocated the stacks.  We
+     have to iterate over both lists separately.  We start with the
+     list of threads with user-defined stacks.  */
+  td_err_e result = iterate_thread_list (ta, callback, cbdata_p, state, ti_pri,
+					 ta->stack_user);
+
+  /* And the threads with stacks allocated by the implementation.  */
+  if (result == TD_OK)
+    result = iterate_thread_list (ta, callback, cbdata_p, state, ti_pri,
+				  ta->stack_used);
+
+  return result;
+}
diff --git a/nptl_db/td_ta_tsd_iter.c b/nptl_db/td_ta_tsd_iter.c
new file mode 100644
index 0000000..cbc2f37
--- /dev/null
+++ b/nptl_db/td_ta_tsd_iter.c
@@ -0,0 +1,53 @@
+/* Iterate over a process's thread-specific data.
+   Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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 <alloca.h>
+
+td_err_e
+td_ta_tsd_iter (const td_thragent_t *ta, td_key_iter_f *callback,
+		void *cbdata_p)
+{
+  LOG ("td_ta_tsd_iter");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  int pthread_keys_max = ta->pthread_keys_max;
+  struct pthread_key_struct *keys;
+  keys = (struct pthread_key_struct *) alloca (sizeof (keys[0])
+					       * pthread_keys_max);
+
+  /* Read all the information about the keys.  */
+  if (ps_pdread (ta->ph, ta->keys, keys,
+		 sizeof (keys[0]) * pthread_keys_max) != PS_OK)
+	return TD_ERR;	/* XXX Other error value?  */
+
+  /* Now get all descriptors, one after the other.  */
+  int cnt;
+  for (cnt = 0; cnt < pthread_keys_max; ++cnt)
+    if (!KEY_UNUSED (keys[cnt].seq)
+	/* Return with an error if the callback returns a nonzero value.  */
+	&& callback (cnt, keys[cnt].destr, cbdata_p) != 0)
+      return TD_DBERR;
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_thr_clear_event.c b/nptl_db/td_thr_clear_event.c
new file mode 100644
index 0000000..e729b52
--- /dev/null
+++ b/nptl_db/td_thr_clear_event.c
@@ -0,0 +1,54 @@
+/* Disable specific event for thread.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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 <stddef.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_clear_event (th, event)
+     const td_thrhandle_t *th;
+     td_thr_events_t *event;
+{
+  LOG ("td_thr_clear_event");
+
+  /* Write the new value into the thread data structure.  */
+  td_thr_events_t old_event;
+  if (ps_pdread (th->th_ta_p->ph,
+		 ((char *) th->th_unique
+		  + offsetof (struct pthread, eventbuf.eventmask)),
+		 &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Remove the set bits in.  */
+  int i;
+  for (i = 0; i < TD_EVENTSIZE; ++i)
+    old_event.event_bits[i] &= ~event->event_bits[i];
+
+  /* Write the new value into the thread data structure.  */
+  if (ps_pdwrite (th->th_ta_p->ph,
+		  ((char *) th->th_unique
+		   + offsetof (struct pthread, eventbuf.eventmask)),
+		  &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_thr_dbresume.c b/nptl_db/td_thr_dbresume.c
new file mode 100644
index 0000000..3fd7943
--- /dev/null
+++ b/nptl_db/td_thr_dbresume.c
@@ -0,0 +1,30 @@
+/* Resume execution of given thread.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_thr_dbresume (const td_thrhandle_t *th)
+{
+  /* XXX We have to figure out what has to be done.  */
+  LOG ("td_thr_dbresume");
+  return TD_NOCAPAB;
+}
diff --git a/nptl_db/td_thr_dbsuspend.c b/nptl_db/td_thr_dbsuspend.c
new file mode 100644
index 0000000..6ef82ad
--- /dev/null
+++ b/nptl_db/td_thr_dbsuspend.c
@@ -0,0 +1,30 @@
+/* Suspend execution of given thread.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_thr_dbsuspend (const td_thrhandle_t *th)
+{
+  /* XXX We have to figure out what has to be done.  */
+  LOG ("td_thr_dbsuspend");
+  return TD_NOCAPAB;
+}
diff --git a/nptl_db/td_thr_event_enable.c b/nptl_db/td_thr_event_enable.c
new file mode 100644
index 0000000..e822453
--- /dev/null
+++ b/nptl_db/td_thr_event_enable.c
@@ -0,0 +1,41 @@
+/* Enable event process-wide.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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 <stddef.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_event_enable (th, onoff)
+     const td_thrhandle_t *th;
+     int onoff;
+{
+  LOG ("td_thr_event_enable");
+
+  /* Write the new value into the thread data structure.  */
+  if (ps_pdwrite (th->th_ta_p->ph,
+		  ((char *) th->th_unique
+		   + offsetof (struct pthread, report_events)),
+		  &onoff, sizeof (int)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_thr_event_getmsg.c b/nptl_db/td_thr_event_getmsg.c
new file mode 100644
index 0000000..ffd0baa
--- /dev/null
+++ b/nptl_db/td_thr_event_getmsg.c
@@ -0,0 +1,60 @@
+/* Retrieve event.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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 <stddef.h>
+#include <string.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_event_getmsg (const td_thrhandle_t *th, td_event_msg_t *msg)
+{
+  td_eventbuf_t event;
+
+  LOG ("td_thr_event_getmsg");
+
+  /* Read the even structure from the target.  */
+  if (ps_pdread (th->th_ta_p->ph,
+		 ((char *) th->th_unique
+		  + offsetof (struct pthread, eventbuf)),
+		 &event, sizeof (td_eventbuf_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Check whether an event occurred.  */
+  if (event.eventnum == TD_EVENT_NONE)
+    /* Nothing.  */
+    return TD_NOMSG;
+
+  /* Fill the user's data structure.  */
+  msg->event = event.eventnum;
+  msg->th_p = th;
+  msg->msg.data = (uintptr_t) event.eventdata;
+
+  /* And clear the event message in the target.  */
+  memset (&event, '\0', sizeof (td_eventbuf_t));
+  if (ps_pdwrite (th->th_ta_p->ph,
+		  ((char *) th->th_unique
+		   + offsetof (struct pthread, eventbuf)),
+		  &event, sizeof (td_eventbuf_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_thr_get_info.c b/nptl_db/td_thr_get_info.c
new file mode 100644
index 0000000..0686649
--- /dev/null
+++ b/nptl_db/td_thr_get_info.c
@@ -0,0 +1,64 @@
+/* Get thread information.
+   Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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 <stddef.h>
+#include <string.h>
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_get_info (const td_thrhandle_t *th, td_thrinfo_t *infop)
+{
+  LOG ("td_thr_get_info");
+
+  /* Get the thread descriptor.  */
+  struct pthread pds;
+  if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+		 sizeof (struct pthread)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Fill in information.  Clear first to provide reproducable
+     results for the fields we do not fill in.  */
+  memset (infop, '\0', sizeof (td_thrinfo_t));
+
+  infop->ti_tid = pds.tid;
+  infop->ti_tls = (char *) pds.specific;
+  infop->ti_pri = (pds.schedpolicy == SCHED_OTHER
+		   ? 0 : pds.schedparam.sched_priority);
+  infop->ti_type = TD_THR_USER;
+
+  if ((pds.cancelhandling & EXITING_BIT) == 0)
+    /* XXX For now there is no way to get more information.  */
+    infop->ti_state = TD_THR_ACTIVE;
+  else if ((pds.cancelhandling & TERMINATED_BIT) == 0)
+    infop->ti_state = TD_THR_ZOMBIE;
+  else
+    infop->ti_state = TD_THR_UNKNOWN;
+
+  /* Initialization which are the same in both cases.  */
+  infop->ti_lid = ps_getpid (th->th_ta_p->ph);
+  infop->ti_ta_p = th->th_ta_p;
+  infop->ti_startfunc = pds.start_routine;
+  memcpy (&infop->ti_events, &pds.eventbuf.eventmask,
+	  sizeof (td_thr_events_t));
+  infop->ti_traceme = pds.report_events != false;
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_thr_getfpregs.c b/nptl_db/td_thr_getfpregs.c
new file mode 100644
index 0000000..360e1d2
--- /dev/null
+++ b/nptl_db/td_thr_getfpregs.c
@@ -0,0 +1,52 @@
+/* Get a thread's floating-point register set.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_thr_getfpregs (const td_thrhandle_t *th, prfpregset_t *regset)
+{
+  LOG ("td_thr_getfpregs");
+
+  /* We have to get the state and the PID for this thread.  */
+  int cancelhandling;
+  if (ps_pdread (th->th_ta_p->ph,
+		 &((struct pthread *) th->th_unique)->cancelhandling,
+		 &cancelhandling, sizeof (int)) != PS_OK)
+    return TD_ERR;
+
+  /* If the thread already terminated we return all zeroes.  */
+  if (cancelhandling & TERMINATED_BIT)
+    memset (regset, '\0', sizeof (*regset));
+  /* Otherwise get the register content through the callback.  */
+  else
+    {
+      pid_t tid;
+
+      if (ps_pdread (th->th_ta_p->ph,
+		     &((struct pthread *) th->th_unique)->tid,
+		     &tid, sizeof (pid_t)) != PS_OK
+	  || ps_lgetfpregs (th->th_ta_p->ph, tid, regset) != PS_OK)
+	return TD_ERR;
+    }
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_thr_getgregs.c b/nptl_db/td_thr_getgregs.c
new file mode 100644
index 0000000..2485e5d
--- /dev/null
+++ b/nptl_db/td_thr_getgregs.c
@@ -0,0 +1,52 @@
+/* Get a thread's general register set.
+   Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_thr_getgregs (const td_thrhandle_t *th, prgregset_t gregs)
+{
+  LOG ("td_thr_getgregs");
+
+  /* We have to get the state and the PID for this thread.  */
+  int cancelhandling;
+  if (ps_pdread (th->th_ta_p->ph,
+		 &((struct pthread *) th->th_unique)->cancelhandling,
+		 &cancelhandling, sizeof (int)) != PS_OK)
+    return TD_ERR;
+
+  /* If the thread already terminated we return all zeroes.  */
+  if (cancelhandling & TERMINATED_BIT)
+    memset (gregs, '\0', sizeof (prgregset_t));
+  /* Otherwise get the register content through the callback.  */
+  else
+    {
+      pid_t tid;
+
+      if (ps_pdread (th->th_ta_p->ph,
+		     &((struct pthread *) th->th_unique)->tid,
+		     &tid, sizeof (pid_t)) != PS_OK
+	  || ps_lgetregs (th->th_ta_p->ph, tid, gregs) != PS_OK)
+	return TD_ERR;
+    }
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_thr_getxregs.c b/nptl_db/td_thr_getxregs.c
new file mode 100644
index 0000000..3c77ab6
--- /dev/null
+++ b/nptl_db/td_thr_getxregs.c
@@ -0,0 +1,30 @@
+/* Get a thread's extra state register set.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_thr_getxregs (const td_thrhandle_t *th, void *xregs)
+{
+  /* XXX This might be platform specific.  */
+  LOG ("td_thr_getxregs");
+  return TD_NOXREGS;
+}
diff --git a/nptl_db/td_thr_getxregsize.c b/nptl_db/td_thr_getxregsize.c
new file mode 100644
index 0000000..1704e4b
--- /dev/null
+++ b/nptl_db/td_thr_getxregsize.c
@@ -0,0 +1,30 @@
+/* Get the size of the extra state register set for this architecture.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_thr_getxregsize (const td_thrhandle_t *th, int *sizep)
+{
+  /* XXX This might be platform specific.  */
+  LOG ("td_thr_getxregsize");
+  return TD_NOXREGS;
+}
diff --git a/nptl_db/td_thr_set_event.c b/nptl_db/td_thr_set_event.c
new file mode 100644
index 0000000..656728c
--- /dev/null
+++ b/nptl_db/td_thr_set_event.c
@@ -0,0 +1,54 @@
+/* Enable specific event for thread.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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 <stddef.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_set_event (th, event)
+     const td_thrhandle_t *th;
+     td_thr_events_t *event;
+{
+  LOG ("td_thr_set_event");
+
+  /* Write the new value into the thread data structure.  */
+  td_thr_events_t old_event;
+  if (ps_pdread (th->th_ta_p->ph,
+		 ((char *) th->th_unique
+		  + offsetof (struct pthread, eventbuf.eventmask)),
+		 &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Or the new bits in.  */
+  int i;
+  for (i = 0; i < TD_EVENTSIZE; ++i)
+    old_event.event_bits[i] |= event->event_bits[i];
+
+  /* Write the new value into the thread data structure.  */
+  if (ps_pdwrite (th->th_ta_p->ph,
+		  ((char *) th->th_unique
+		   + offsetof (struct pthread, eventbuf.eventmask)),
+		  &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_thr_setfpregs.c b/nptl_db/td_thr_setfpregs.c
new file mode 100644
index 0000000..e1ec9be
--- /dev/null
+++ b/nptl_db/td_thr_setfpregs.c
@@ -0,0 +1,49 @@
+/* Set a thread's floating-point register set.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_thr_setfpregs (const td_thrhandle_t *th, const prfpregset_t *fpregs)
+{
+  LOG ("td_thr_setfpregs");
+
+  /* We have to get the state and the PID for this thread.  */
+  int cancelhandling;
+  if (ps_pdread (th->th_ta_p->ph,
+		 &((struct pthread *) th->th_unique)->cancelhandling,
+		 &cancelhandling, sizeof (int)) != PS_OK)
+    return TD_ERR;
+
+  /* Only set the registers if the thread hasn't yet terminated.  */
+  if ((cancelhandling & TERMINATED_BIT) == 0)
+    {
+      pid_t tid;
+
+      if (ps_pdread (th->th_ta_p->ph,
+		     &((struct pthread *) th->th_unique)->tid,
+		     &tid, sizeof (pid_t)) != PS_OK
+	  || ps_lsetfpregs (th->th_ta_p->ph, tid, fpregs) != PS_OK)
+	return TD_ERR;
+    }
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_thr_setgregs.c b/nptl_db/td_thr_setgregs.c
new file mode 100644
index 0000000..d46e32a
--- /dev/null
+++ b/nptl_db/td_thr_setgregs.c
@@ -0,0 +1,49 @@
+/* Set a thread's general register set.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_thr_setgregs (const td_thrhandle_t *th, prgregset_t gregs)
+{
+  LOG ("td_thr_setgregs");
+
+  /* We have to get the state and the PID for this thread.  */
+  int cancelhandling;
+  if (ps_pdread (th->th_ta_p->ph,
+		 &((struct pthread *) th->th_unique)->cancelhandling,
+		 &cancelhandling, sizeof (int)) != PS_OK)
+    return TD_ERR;
+
+  /* Only set the registers if the thread hasn't yet terminated.  */
+  if ((cancelhandling & TERMINATED_BIT) == 0)
+    {
+      pid_t tid;
+
+      if (ps_pdread (th->th_ta_p->ph,
+		     &((struct pthread *) th->th_unique)->tid,
+		     &tid, sizeof (pid_t)) != PS_OK
+	  || ps_lsetregs (th->th_ta_p->ph, tid, gregs) != PS_OK)
+	return TD_ERR;
+    }
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_thr_setprio.c b/nptl_db/td_thr_setprio.c
new file mode 100644
index 0000000..6032b0e
--- /dev/null
+++ b/nptl_db/td_thr_setprio.c
@@ -0,0 +1,30 @@
+/* Set a thread's priority.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_thr_setprio (const td_thrhandle_t *th, int prio)
+{
+  /* XXX We have to figure out what has to be done.  */
+  LOG ("td_thr_setprio");
+  return TD_OK;
+}
diff --git a/nptl_db/td_thr_setsigpending.c b/nptl_db/td_thr_setsigpending.c
new file mode 100644
index 0000000..e2c9d7a
--- /dev/null
+++ b/nptl_db/td_thr_setsigpending.c
@@ -0,0 +1,31 @@
+/* Raise a signal for a thread.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_thr_setsigpending (const td_thrhandle_t *th, unsigned char n,
+		      const sigset_t *ss)
+{
+  /* XXX We have to figure out what has to be done.  */
+  LOG ("td_thr_setsigpending");
+  return TD_OK;
+}
diff --git a/nptl_db/td_thr_setxregs.c b/nptl_db/td_thr_setxregs.c
new file mode 100644
index 0000000..f48877c
--- /dev/null
+++ b/nptl_db/td_thr_setxregs.c
@@ -0,0 +1,30 @@
+/* Set a thread's extra state register set.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_thr_setxregs (const td_thrhandle_t *ta, const void *addr)
+{
+  /* XXX This might have to be platform specific.  */
+  LOG ("td_thr_setxregs");
+  return TD_NOXREGS;
+}
diff --git a/nptl_db/td_thr_sigsetmask.c b/nptl_db/td_thr_sigsetmask.c
new file mode 100644
index 0000000..3a68aec
--- /dev/null
+++ b/nptl_db/td_thr_sigsetmask.c
@@ -0,0 +1,30 @@
+/* Set a thread's signal mask.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_thr_sigsetmask (const td_thrhandle_t *th, const sigset_t *ss)
+{
+  /* XXX We have to figure out what has to be done.  */
+  LOG ("td_thr_sigsetmask");
+  return TD_OK;
+}
diff --git a/nptl_db/td_thr_tls_get_addr.c b/nptl_db/td_thr_tls_get_addr.c
new file mode 100644
index 0000000..5bbdc50
--- /dev/null
+++ b/nptl_db/td_thr_tls_get_addr.c
@@ -0,0 +1,70 @@
+/* Get address of thread local variable.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   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 "link.h"
+#include "thread_dbP.h"
+
+/* Value used for dtv entries for which the allocation is delayed.  */
+# define TLS_DTV_UNALLOCATED	((void *) -1l)
+
+
+td_err_e
+td_thr_tls_get_addr (const td_thrhandle_t *th __attribute__ ((unused)),
+		     void *map_address __attribute__ ((unused)),
+		     size_t offset __attribute__ ((unused)),
+		     void **address __attribute__ ((unused)))
+{
+#if USE_TLS
+  size_t modid;
+  union dtv pdtv, *dtvp;
+
+  LOG ("td_thr_tls_get_addr");
+
+  /* Get the DTV pointer from the thread descriptor.  */
+  if (ps_pdread (th->th_ta_p->ph,
+		 &((struct pthread *) th->th_unique)->header.data.dtvp,
+		 &dtvp, sizeof dtvp) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Read the module ID from the link_map.  */
+  if (ps_pdread (th->th_ta_p->ph,
+		 &((struct link_map *) map_address)->l_tls_modid,
+		 &modid, sizeof modid) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Get the corresponding entry in the DTV.  */
+  if (ps_pdread (th->th_ta_p->ph, dtvp + modid,
+		 &pdtv, sizeof (union dtv)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* It could be that the memory for this module is not allocated for
+     the given thread.  */
+  if (pdtv.pointer == TLS_DTV_UNALLOCATED)
+    /* There is not much we can do.  */
+    return TD_NOTALLOC;
+
+  *address = (char *) pdtv.pointer + offset;
+
+  return TD_OK;
+#else
+  return TD_ERR;
+#endif
+}
diff --git a/nptl_db/td_thr_tsd.c b/nptl_db/td_thr_tsd.c
new file mode 100644
index 0000000..d1a5453
--- /dev/null
+++ b/nptl_db/td_thr_tsd.c
@@ -0,0 +1,71 @@
+/* Get a thread-specific data pointer for a thread.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+td_err_e
+td_thr_tsd (const td_thrhandle_t *th, const thread_key_t tk, void **data)
+{
+  LOG ("td_thr_tsd");
+
+  /* Check correct value of key.  */
+  if (tk >= th->th_ta_p->pthread_keys_max)
+    return TD_BADKEY;
+
+  /* Get the key entry.  */
+  uintptr_t seq;
+  if (ps_pdread (th->th_ta_p->ph, &th->th_ta_p->keys[tk].seq, &seq,
+		 sizeof (uintptr_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Fail if this key is not at all used.  */
+  if (KEY_UNUSED (seq))
+    return TD_BADKEY;
+
+  /* Compute the indeces.  */
+  int pthread_key_2ndlevel_size = th->th_ta_p->pthread_key_2ndlevel_size;
+  unsigned int idx1st = tk / pthread_key_2ndlevel_size;
+  unsigned int idx2nd = tk % pthread_key_2ndlevel_size;
+
+  struct pthread_key_data *level1;
+  if (ps_pdread (th->th_ta_p->ph,
+		 &((struct pthread *) th->th_unique)->specific[idx1st],
+		 &level1, sizeof (level1)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Check the pointer to the second level array.  */
+  if (level1 == NULL)
+    return TD_NOTSD;
+
+  struct pthread_key_data level2;
+  if (ps_pdread (th->th_ta_p->ph, &level1[idx2nd], &level2,
+		 sizeof (level2)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Check whether the data is valid.  */
+  if (level2.seq != seq)
+    return TD_NOTSD;
+
+  if (level2.data != NULL)
+    *data = level2.data;
+
+  return TD_OK;
+}
diff --git a/nptl_db/td_thr_validate.c b/nptl_db/td_thr_validate.c
new file mode 100644
index 0000000..76cbad3
--- /dev/null
+++ b/nptl_db/td_thr_validate.c
@@ -0,0 +1,66 @@
+/* Validate a thread handle.
+   Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+   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"
+
+
+static td_err_e
+check_thread_list (const td_thrhandle_t *th, psaddr_t head)
+{
+  list_t list;
+  td_err_e result = TD_NOTHR;
+
+  if (ps_pdread (th->th_ta_p->ph, head, &list.next, sizeof (list.next))
+      != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  while (list.next != head)
+    if ((psaddr_t) list.next - offsetof (struct pthread, header.data.list)
+	== th->th_unique)
+      {
+	result = TD_OK;
+	break;
+      }
+    else if (ps_pdread (th->th_ta_p->ph, list.next, &list.next,
+			sizeof (list.next)) != PS_OK)
+      {
+	result = TD_ERR;	/* XXX Other error value?  */
+	break;
+      }
+
+  return result;
+}
+
+
+td_err_e
+td_thr_validate (const td_thrhandle_t *th)
+{
+  LOG ("td_thr_validate");
+
+  /* First check the list with threads using user allocated stacks.  */
+  td_err_e result = check_thread_list (th, th->th_ta_p->stack_user);
+
+  /* If our thread is not on this list search the list with stack
+     using implementation allocated stacks.  */
+  if (result == TD_NOTHR)
+    result = check_thread_list (th, th->th_ta_p->stack_used);
+
+  return result;
+}
diff --git a/nptl_db/thread_db.h b/nptl_db/thread_db.h
new file mode 100644
index 0000000..acb0607
--- /dev/null
+++ b/nptl_db/thread_db.h
@@ -0,0 +1,451 @@
+/* Copyright (C) 1999, 2001, 2002 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 _THREAD_DB_H
+#define _THREAD_DB_H	1
+
+/* This is the debugger interface for the NPTL library.  It is
+   modelled closely after the interface with same names in Solaris
+   with the goal to share the same code in the debugger.  */
+#include <pthread.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <sys/procfs.h>
+
+
+/* Error codes of the library.  */
+typedef enum
+{
+  TD_OK,	  /* No error.  */
+  TD_ERR,	  /* No further specified error.  */
+  TD_NOTHR,	  /* No matching thread found.  */
+  TD_NOSV,	  /* No matching synchronization handle found.  */
+  TD_NOLWP,	  /* No matching light-weighted process found.  */
+  TD_BADPH,	  /* Invalid process handle.  */
+  TD_BADTH,	  /* Invalid thread handle.  */
+  TD_BADSH,	  /* Invalid synchronization handle.  */
+  TD_BADTA,	  /* Invalid thread agent.  */
+  TD_BADKEY,	  /* Invalid key.  */
+  TD_NOMSG,	  /* No event available.  */
+  TD_NOFPREGS,	  /* No floating-point register content available.  */
+  TD_NOLIBTHREAD, /* Application not linked with thread library.  */
+  TD_NOEVENT,	  /* Requested event is not supported.  */
+  TD_NOCAPAB,	  /* Capability not available.  */
+  TD_DBERR,	  /* Internal debug library error.  */
+  TD_NOAPLIC,	  /* Operation is not applicable.  */
+  TD_NOTSD,	  /* No thread-specific data available.  */
+  TD_MALLOC,	  /* Out of memory.  */
+  TD_PARTIALREG,  /* Not entire register set was read or written.  */
+  TD_NOXREGS,	  /* X register set not available for given thread.  */
+  TD_NOTALLOC,	  /* TLS memory not yet allocated.  */
+  TD_VERSION	  /* Version if libpthread and libthread_db do not match.  */
+} td_err_e;
+
+
+/* Possible thread states.  TD_THR_ANY_STATE is a pseudo-state used to
+   select threads regardless of state in td_ta_thr_iter().  */
+typedef enum
+{
+  TD_THR_ANY_STATE,
+  TD_THR_UNKNOWN,
+  TD_THR_STOPPED,
+  TD_THR_RUN,
+  TD_THR_ACTIVE,
+  TD_THR_ZOMBIE,
+  TD_THR_SLEEP,
+  TD_THR_STOPPED_ASLEEP
+} td_thr_state_e;
+
+/* Thread type: user or system.  TD_THR_ANY_TYPE is a pseudo-type used
+   to select threads regardless of type in td_ta_thr_iter().  */
+typedef enum
+{
+  TD_THR_ANY_TYPE,
+  TD_THR_USER,
+  TD_THR_SYSTEM
+} td_thr_type_e;
+
+
+/* Types of the debugging library.  */
+
+/* Handle for a process.  This type is opaque.  */
+typedef struct td_thragent td_thragent_t;
+
+/* The actual thread handle type.  This is also opaque.  */
+typedef struct td_thrhandle
+{
+  td_thragent_t *th_ta_p;
+  psaddr_t th_unique;
+} td_thrhandle_t;
+
+
+/* Forward declaration of a type defined by and for the dynamic linker.  */
+struct link_map;
+
+
+/* Flags for `td_ta_thr_iter'.  */
+#define TD_THR_ANY_USER_FLAGS	0xffffffff
+#define TD_THR_LOWEST_PRIORITY	-20
+#define TD_SIGNO_MASK		NULL
+
+
+#define TD_EVENTSIZE	2
+#define BT_UISHIFT	5 /* log base 2 of BT_NBIPUI, to extract word index */
+#define BT_NBIPUI	(1 << BT_UISHIFT)       /* n bits per uint */
+#define BT_UIMASK	(BT_NBIPUI - 1)         /* to extract bit index */
+
+/* Bitmask of enabled events. */
+typedef struct td_thr_events
+{
+  uint32_t event_bits[TD_EVENTSIZE];
+} td_thr_events_t;
+
+/* Event set manipulation macros. */
+#define __td_eventmask(n) \
+  (UINT32_C (1) << (((n) - 1) & BT_UIMASK))
+#define __td_eventword(n) \
+  ((UINT32_C ((n) - 1)) >> BT_UISHIFT)
+
+#define td_event_emptyset(setp) \
+  do {									      \
+    int __i;								      \
+    for (__i = TD_EVENTSIZE; __i > 0; --__i)				      \
+      (setp)->event_bits[__i - 1] = 0;					      \
+  } while (0)
+
+#define td_event_fillset(setp) \
+  do {									      \
+    int __i;								      \
+    for (__i = TD_EVENTSIZE; __i > 0; --__i)				      \
+      (setp)->event_bits[__i - 1] = UINT32_C (0xffffffff);		      \
+  } while (0)
+
+#define td_event_addset(setp, n) \
+  (((setp)->event_bits[__td_eventword (n)]) |= __td_eventmask (n))
+#define td_event_delset(setp, n) \
+  (((setp)->event_bits[__td_eventword (n)]) &= ~__td_eventmask (n))
+#define td_eventismember(setp, n) \
+  (__td_eventmask (n) & ((setp)->event_bits[__td_eventword (n)]))
+#if TD_EVENTSIZE == 2
+# define td_eventisempty(setp) \
+  (!((setp)->event_bits[0]) && !((setp)->event_bits[1]))
+#else
+# error "td_eventisempty must be changed to match TD_EVENTSIZE"
+#endif
+
+/* Events reportable by the thread implementation.  */
+typedef enum
+{
+  TD_ALL_EVENTS,		 /* Pseudo-event number.  */
+  TD_EVENT_NONE = TD_ALL_EVENTS, /* Depends on context.  */
+  TD_READY,			 /* Is executable now. */
+  TD_SLEEP,			 /* Blocked in a synchronization obj.  */
+  TD_SWITCHTO,			 /* Now assigned to a process.  */
+  TD_SWITCHFROM,		 /* Not anymore assigned to a process.  */
+  TD_LOCK_TRY,			 /* Trying to get an unavailable lock.  */
+  TD_CATCHSIG,			 /* Signal posted to the thread.  */
+  TD_IDLE,			 /* Process getting idle.  */
+  TD_CREATE,			 /* New thread created.  */
+  TD_DEATH,			 /* Thread terminated.  */
+  TD_PREEMPT,			 /* Preempted.  */
+  TD_PRI_INHERIT,		 /* Inherited elevated priority.  */
+  TD_REAP,			 /* Reaped.  */
+  TD_CONCURRENCY,		 /* Number of processes changing.  */
+  TD_TIMEOUT,			 /* Conditional variable wait timed out.  */
+  TD_MIN_EVENT_NUM = TD_READY,
+  TD_MAX_EVENT_NUM = TD_TIMEOUT,
+  TD_EVENTS_ENABLE = 31		/* Event reporting enabled.  */
+} td_event_e;
+
+/* Values representing the different ways events are reported.  */
+typedef enum
+{
+  NOTIFY_BPT,			/* User must insert breakpoint at u.bptaddr. */
+  NOTIFY_AUTOBPT,		/* Breakpoint at u.bptaddr is automatically
+				   inserted.  */
+  NOTIFY_SYSCALL		/* System call u.syscallno will be invoked.  */
+} td_notify_e;
+
+/* Description how event type is reported.  */
+typedef struct td_notify
+{
+  td_notify_e type;		/* Way the event is reported.  */
+  union
+  {
+    psaddr_t bptaddr;		/* Address of breakpoint.  */
+    int syscallno;		/* Number of system call used.  */
+  } u;
+} td_notify_t;
+
+/* Structure used to report event.  */
+typedef struct td_event_msg
+{
+  td_event_e event;		/* Event type being reported.  */
+  const td_thrhandle_t *th_p;	/* Thread reporting the event.  */
+  union
+  {
+# if 0
+    td_synchandle_t *sh;	/* Handle of synchronization object.  */
+#endif
+    uintptr_t data;		/* Event specific data.  */
+  } msg;
+} td_event_msg_t;
+
+/* Structure containing event data available in each thread structure.  */
+typedef struct
+{
+  td_thr_events_t eventmask;	/* Mask of enabled events.  */
+  td_event_e eventnum;		/* Number of last event.  */
+  void *eventdata;		/* Data associated with event.  */
+} td_eventbuf_t;
+
+
+/* Gathered statistics about the process.  */
+typedef struct td_ta_stats
+{
+  int nthreads;       		/* Total number of threads in use.  */
+  int r_concurrency;		/* Concurrency level requested by user.  */
+  int nrunnable_num;		/* Average runnable threads, numerator.  */
+  int nrunnable_den;		/* Average runnable threads, denominator.  */
+  int a_concurrency_num;	/* Achieved concurrency level, numerator.  */
+  int a_concurrency_den;	/* Achieved concurrency level, denominator.  */
+  int nlwps_num;		/* Average number of processes in use,
+				   numerator.  */
+  int nlwps_den;		/* Average number of processes in use,
+				   denominator.  */
+  int nidle_num;		/* Average number of idling processes,
+				   numerator.  */
+  int nidle_den;		/* Average number of idling processes,
+				   denominator.  */
+} td_ta_stats_t;
+
+
+/* Since Sun's library is based on Solaris threads we have to define a few
+   types to map them to POSIX threads.  */
+typedef pthread_t thread_t;
+typedef pthread_key_t thread_key_t;
+
+
+/* Callback for iteration over threads.  */
+typedef int td_thr_iter_f (const td_thrhandle_t *, void *);
+
+/* Callback for iteration over thread local data.  */
+typedef int td_key_iter_f (thread_key_t, void (*) (void *), void *);
+
+
+
+/* Forward declaration.  This has to be defined by the user.  */
+struct ps_prochandle;
+
+
+/* Information about the thread.  */
+typedef struct td_thrinfo
+{
+  td_thragent_t *ti_ta_p;		/* Process handle.  */
+  unsigned int ti_user_flags;		/* Unused.  */
+  thread_t ti_tid;			/* Thread ID returned by
+					   pthread_create().  */
+  char *ti_tls;				/* Pointer to thread-local data.  */
+  psaddr_t ti_startfunc;		/* Start function passed to
+					   pthread_create().  */
+  psaddr_t ti_stkbase;			/* Base of thread's stack.  */
+  long int ti_stksize;			/* Size of thread's stack.  */
+  psaddr_t ti_ro_area;			/* Unused.  */
+  int ti_ro_size;			/* Unused.  */
+  td_thr_state_e ti_state;		/* Thread state.  */
+  unsigned char ti_db_suspended;	/* Nonzero if suspended by debugger. */
+  td_thr_type_e ti_type;		/* Type of the thread (system vs
+					   user thread).  */
+  intptr_t ti_pc;			/* Unused.  */
+  intptr_t ti_sp;			/* Unused.  */
+  short int ti_flags;			/* Unused.  */
+  int ti_pri;				/* Thread priority.  */
+  lwpid_t ti_lid;			/* Unused.  */
+  sigset_t ti_sigmask;			/* Signal mask.  */
+  unsigned char ti_traceme;		/* Nonzero if event reporting
+					   enabled.  */
+  unsigned char ti_preemptflag;		/* Unused.  */
+  unsigned char ti_pirecflag;		/* Unused.  */
+  sigset_t ti_pending;			/* Set of pending signals.  */
+  td_thr_events_t ti_events;		/* Set of enabled events.  */
+} td_thrinfo_t;
+
+
+
+/* Prototypes for exported library functions.  */
+
+/* Initialize the thread debug support library.  */
+extern td_err_e td_init (void);
+
+/* Historical relict.  Should not be used anymore.  */
+extern td_err_e td_log (void);
+
+/* Return list of symbols the library can request.  */
+extern const char **td_symbol_list (void);
+
+/* Generate new thread debug library handle for process PS.  */
+extern td_err_e td_ta_new (struct ps_prochandle *__ps, td_thragent_t **__ta);
+
+/* Free resources allocated for TA.  */
+extern td_err_e td_ta_delete (td_thragent_t *__ta);
+
+/* Get number of currently running threads in process associated with TA.  */
+extern td_err_e td_ta_get_nthreads (const td_thragent_t *__ta, int *__np);
+
+/* Return process handle passed in `td_ta_new' for process associated with
+   TA.  */
+extern td_err_e td_ta_get_ph (const td_thragent_t *__ta,
+			      struct ps_prochandle **__ph);
+
+/* Map thread library handle PT to thread debug library handle for process
+   associated with TA and store result in *TH.  */
+extern td_err_e td_ta_map_id2thr (const td_thragent_t *__ta, pthread_t __pt,
+				  td_thrhandle_t *__th);
+
+/* Map process ID LWPID to thread debug library handle for process
+   associated with TA and store result in *TH.  */
+extern td_err_e td_ta_map_lwp2thr (const td_thragent_t *__ta, lwpid_t __lwpid,
+				   td_thrhandle_t *__th);
+
+
+/* Call for each thread in a process associated with TA the callback function
+   CALLBACK.  */
+extern td_err_e td_ta_thr_iter (const td_thragent_t *__ta,
+				td_thr_iter_f *__callback, void *__cbdata_p,
+				td_thr_state_e __state, int __ti_pri,
+				sigset_t *__ti_sigmask_p,
+				unsigned int __ti_user_flags);
+
+/* Call for each defined thread local data entry the callback function KI.  */
+extern td_err_e td_ta_tsd_iter (const td_thragent_t *__ta, td_key_iter_f *__ki,
+				void *__p);
+
+
+/* Get event address for EVENT.  */
+extern td_err_e td_ta_event_addr (const td_thragent_t *__ta,
+				  td_event_e __event, td_notify_t *__ptr);
+
+/* Enable EVENT in global mask.  */
+extern td_err_e td_ta_set_event (const td_thragent_t *__ta,
+				 td_thr_events_t *__event);
+
+/* Disable EVENT in global mask.  */
+extern td_err_e td_ta_clear_event (const td_thragent_t *__ta,
+				   td_thr_events_t *__event);
+
+/* Return information about last event.  */
+extern td_err_e td_ta_event_getmsg (const td_thragent_t *__ta,
+				    td_event_msg_t *__msg);
+
+
+/* Set suggested concurrency level for process associated with TA.  */
+extern td_err_e td_ta_setconcurrency (const td_thragent_t *__ta, int __level);
+
+
+/* Enable collecting statistics for process associated with TA.  */
+extern td_err_e td_ta_enable_stats (const td_thragent_t *__ta, int __enable);
+
+/* Reset statistics.  */
+extern td_err_e td_ta_reset_stats (const td_thragent_t *__ta);
+
+/* Retrieve statistics from process associated with TA.  */
+extern td_err_e td_ta_get_stats (const td_thragent_t *__ta,
+				 td_ta_stats_t *__statsp);
+
+
+/* Validate that TH is a thread handle.  */
+extern td_err_e td_thr_validate (const td_thrhandle_t *__th);
+
+/* Return information about thread TH.  */
+extern td_err_e td_thr_get_info (const td_thrhandle_t *__th,
+				 td_thrinfo_t *__infop);
+
+/* Retrieve floating-point register contents of process running thread TH.  */
+extern td_err_e td_thr_getfpregs (const td_thrhandle_t *__th,
+				  prfpregset_t *__regset);
+
+/* Retrieve general register contents of process running thread TH.  */
+extern td_err_e td_thr_getgregs (const td_thrhandle_t *__th,
+				 prgregset_t __gregs);
+
+/* Retrieve extended register contents of process running thread TH.  */
+extern td_err_e td_thr_getxregs (const td_thrhandle_t *__th, void *__xregs);
+
+/* Get size of extended register set of process running thread TH.  */
+extern td_err_e td_thr_getxregsize (const td_thrhandle_t *__th, int *__sizep);
+
+/* Set floating-point register contents of process running thread TH.  */
+extern td_err_e td_thr_setfpregs (const td_thrhandle_t *__th,
+				  const prfpregset_t *__fpregs);
+
+/* Set general register contents of process running thread TH.  */
+extern td_err_e td_thr_setgregs (const td_thrhandle_t *__th,
+				 prgregset_t __gregs);
+
+/* Set extended register contents of process running thread TH.  */
+extern td_err_e td_thr_setxregs (const td_thrhandle_t *__th,
+				 const void *__addr);
+
+
+/* Get address of thread local variable.  */
+extern td_err_e td_thr_tls_get_addr (const td_thrhandle_t *__th,
+				     void *__map_address, size_t __offset,
+				     void **__address);
+
+
+/* Enable reporting for EVENT for thread TH.  */
+extern td_err_e td_thr_event_enable (const td_thrhandle_t *__th, int __event);
+
+/* Enable EVENT for thread TH.  */
+extern td_err_e td_thr_set_event (const td_thrhandle_t *__th,
+				  td_thr_events_t *__event);
+
+/* Disable EVENT for thread TH.  */
+extern td_err_e td_thr_clear_event (const td_thrhandle_t *__th,
+				    td_thr_events_t *__event);
+
+/* Get event message for thread TH.  */
+extern td_err_e td_thr_event_getmsg (const td_thrhandle_t *__th,
+				     td_event_msg_t *__msg);
+
+
+/* Set priority of thread TH.  */
+extern td_err_e td_thr_setprio (const td_thrhandle_t *__th, int __prio);
+
+
+/* Set pending signals for thread TH.  */
+extern td_err_e td_thr_setsigpending (const td_thrhandle_t *__th,
+				      unsigned char __n, const sigset_t *__ss);
+
+/* Set signal mask for thread TH.  */
+extern td_err_e td_thr_sigsetmask (const td_thrhandle_t *__th,
+				   const sigset_t *__ss);
+
+
+/* Return thread local data associated with key TK in thread TH.  */
+extern td_err_e td_thr_tsd (const td_thrhandle_t *__th,
+			    const thread_key_t __tk, void **__data);
+
+
+/* Suspend execution of thread TH.  */
+extern td_err_e td_thr_dbsuspend (const td_thrhandle_t *__th);
+
+/* Resume execution of thread TH.  */
+extern td_err_e td_thr_dbresume (const td_thrhandle_t *__th);
+
+#endif	/* thread_db.h */
diff --git a/nptl_db/thread_dbP.h b/nptl_db/thread_dbP.h
new file mode 100644
index 0000000..4407143
--- /dev/null
+++ b/nptl_db/thread_dbP.h
@@ -0,0 +1,98 @@
+/* Private header for thread debug library.  */
+#ifndef _THREAD_DBP_H
+#define _THREAD_DBP_H	1
+
+#include <stdbool.h>
+#include <string.h>
+#include <unistd.h>
+#include "proc_service.h"
+#include "thread_db.h"
+#include "../nptl/pthreadP.h"
+#include <list.h>
+
+
+/* Indeces for the symbol names.  */
+enum
+  {
+    SYM_PTHREAD_THREADS_EVENTS = 0,
+    SYM_PTHREAD_LAST_EVENT,
+    SYM_PTHREAD_NTHREADS,
+    SYM_PTHREAD_STACK_USED,
+    SYM_PTHREAD_STACK_USER,
+    SYM_PTHREAD_KEYS,
+    SYM_PTHREAD_KEYS_MAX,
+    SYM_PTHREAD_SIZEOF_DESCR,
+    SYM_PTHREAD_CREATE_EVENT,
+    SYM_PTHREAD_DEATH_EVENT,
+    SYM_PTHREAD_VERSION,
+    SYM_NUM_MESSAGES
+  };
+
+
+/* Comment out the following for less verbose output.  */
+#ifndef NDEBUG
+# define LOG(c) if (__td_debug) __libc_write (2, c "\n", strlen (c "\n"))
+extern int __td_debug;
+#else
+# define LOG(c)
+#endif
+
+
+/* Handle for a process.  This type is opaque.  */
+struct td_thragent
+{
+  /* Delivered by the debugger and we have to pass it back in the
+     proc callbacks.  */
+  struct ps_prochandle *ph;
+
+  /* Some cached information.  */
+
+  /* Lists of running threads.  */
+  psaddr_t stack_used;
+  psaddr_t stack_user;
+
+  /* Address of the `pthread_keys' array.  */
+  struct pthread_key_struct *keys;
+
+  /* Maximum number of thread-local data keys.  */
+  int pthread_keys_max;
+
+  /* Size of 2nd level array for thread-local data keys.  */
+  int pthread_key_2ndlevel_size;
+
+  /* Sizeof struct _pthread_descr_struct.  */
+  int sizeof_descr;
+
+  /* Pointer to the `__pthread_threads_events' variable in the target.  */
+  psaddr_t pthread_threads_eventsp;
+
+  /* Pointer to the `__pthread_last_event' variable in the target.  */
+  psaddr_t pthread_last_event;
+
+  /* List head the queue agent structures.  */
+  list_t list;
+};
+
+
+/* List of all known descriptors.  */
+extern list_t __td_agent_list;
+
+
+/* Function used to test for correct thread agent pointer.  */
+static inline bool
+ta_ok (const td_thragent_t *ta)
+{
+  list_t *runp;
+
+  list_for_each (runp, &__td_agent_list)
+    if (list_entry (runp, td_thragent_t, list) == ta)
+      return true;
+
+  return false;
+}
+
+
+/* Internal wrapper around ps_pglobal_lookup.  */
+extern int td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr);
+
+#endif /* thread_dbP.h */