Update.

1999-10-07  Ulrich Drepper  <drepper@cygnus.com>

	* Implies: New file.
	* internals.h (struct _pthread_descr_struct): Add p_startfct.
	* manager.c (pthread_handle_create): Initialize p_startfct.
	* pthread.c: Define __linuxthread_pthread_sizeof_descr variable.

44 files changed, 1992 insertions, 0 deletions

diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index d83f63c242..872d17e84b 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,10 @@
+1999-10-07  Ulrich Drepper  <drepper@cygnus.com>
+
+	* Implies: New file.
+	* internals.h (struct _pthread_descr_struct): Add p_startfct.
+	* manager.c (pthread_handle_create): Initialize p_startfct.
+	* pthread.c: Define __linuxthread_pthread_sizeof_descr variable.
+
 1999-09-25  Ulrich Drepper  <drepper@cygnus.com>
 
 	* manager.c (__linuxthreads_pthread_threads_max): New variable.
diff --git a/linuxthreads/Implies b/linuxthreads/Implies
new file mode 100644
index 0000000000..2c56497842
--- /dev/null
+++ b/linuxthreads/Implies
@@ -0,0 +1 @@
+linuxthreads_db
diff --git a/linuxthreads/internals.h b/linuxthreads/internals.h
index 34297fe752..73243d42dc 100644
--- a/linuxthreads/internals.h
+++ b/linuxthreads/internals.h
@@ -113,6 +113,7 @@ struct _pthread_descr_struct {
   size_t p_guardsize;		/* size of guard area */
   pthread_descr p_self;		/* Pointer to this structure */
   int p_nr;                     /* Index of descriptor in __pthread_handles */
+  void *(*p_startfct) (void *); /* The startup function of this thread.  */
 } __attribute__ ((aligned(32))); /* We need to align the structure so that
 				    doubles are aligned properly.  This is 8
 				    bytes on MIPS and 16 bytes on MIPS64.
diff --git a/linuxthreads/manager.c b/linuxthreads/manager.c
index b481fc890c..e59f98092c 100644
--- a/linuxthreads/manager.c
+++ b/linuxthreads/manager.c
@@ -342,6 +342,7 @@ static int pthread_handle_create(pthread_t *thread, const pthread_attr_t *attr,
   new_thread->p_guardsize = guardsize;
   new_thread->p_self = new_thread;
   new_thread->p_nr = sseg;
+  new_thread->p_startfct = start_routine;
   /* Initialize the thread handle */
   __pthread_init_lock(&__pthread_handles[sseg].h_lock);
   __pthread_handles[sseg].h_descr = new_thread;
diff --git a/linuxthreads/pthread.c b/linuxthreads/pthread.c
index 2f10f06790..aea6db12ab 100644
--- a/linuxthreads/pthread.c
+++ b/linuxthreads/pthread.c
@@ -150,6 +150,8 @@ const int __pthread_offsetof_descr = offsetof(struct pthread_handle_struct,
                                               h_descr);
 const int __pthread_offsetof_pid = offsetof(struct _pthread_descr_struct,
                                             p_pid);
+const int __linuxthread_pthread_sizeof_descr
+  = sizeof(struct _pthread_descr_struct);
 
 /* These variables are used by the setup code.  */
 extern int _errno;
diff --git a/linuxthreads_db/ChangeLog b/linuxthreads_db/ChangeLog
new file mode 100644
index 0000000000..1ee1a7e66a
--- /dev/null
+++ b/linuxthreads_db/ChangeLog
@@ -0,0 +1,41 @@
+1999-10-07  Ulrich Drepper  <drepper@cygnus.com>
+
+	* Makefile: New file.
+	* proc_service.h: New file.
+	* shlib-versions: New file.
+	* td_init.c: New file.
+	* td_log.c: New file.
+	* td_ta_delete.c: New file.
+	* td_ta_enable_stats.c: New file.
+	* td_ta_event_addr.c: New file.
+	* td_ta_get_nthreads.c: New file.
+	* td_ta_get_ph.c: New file.
+	* td_ta_get_stats.c: New file.
+	* td_ta_map_id2thr.c: New file.
+	* td_ta_map_lwp2thr.c: New file.
+	* td_ta_new.c: New file.
+	* td_ta_reset_stats.c: New file.
+	* td_ta_setconcurrency.c: New file.
+	* td_ta_thr_iter.c: New file.
+	* td_ta_tsd_iter.c: New file.
+	* td_thr_clear_event.c: New file.
+	* td_thr_dbresume.c: New file.
+	* td_thr_dbsuspend.c: New file.
+	* td_thr_event_enable.c: New file.
+	* td_thr_event_getmsg.c: New file.
+	* td_thr_get_info.c: New file.
+	* td_thr_getfpregs.c: New file.
+	* td_thr_getgregs.c: New file.
+	* td_thr_getxregs.c: New file.
+	* td_thr_getxregsize.c: New file.
+	* td_thr_set_event.c: New file.
+	* td_thr_setfpregs.c: New file.
+	* td_thr_setgregs.c: New file.
+	* td_thr_setprio.c: New file.
+	* td_thr_setsigpending.c: New file.
+	* td_thr_setxregs.c: New file.
+	* td_thr_sigsetmask.c: New file.
+	* td_thr_tsd.c: New file.
+	* td_thr_validate.c: New file.
+	* thread_db.h: New file.
+	* thread_dbP.h: New file.
diff --git a/linuxthreads_db/Makefile b/linuxthreads_db/Makefile
new file mode 100644
index 0000000000..fb2825cffb
--- /dev/null
+++ b/linuxthreads_db/Makefile
@@ -0,0 +1,49 @@
+# Copyright (C) 1999 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 Library General Public License as
+# published by the Free Software Foundation; either version 2 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
+# Library General Public License for more details.
+
+# You should have received a copy of the GNU Library General Public
+# License along with the GNU C Library; see the file COPYING.LIB.  If not,
+# write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+# Makefile for linuxthreads debug library subdirectory of GNU C Library.
+
+subdir		:= linuxthreads_db
+
+libthread_db-version = 1
+
+extra-libs = libthread_db
+extra-libs-others := $(extra-libs)
+
+headers		= thread_db.h
+libthread_db-routines = td_init td_log td_ta_delete td_ta_get_nthreads      \
+			td_ta_get_ph td_ta_map_id2thr td_ta_map_lwp2thr     \
+			td_ta_new 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
+
+libthread_db-inhibit-o = $(filter-out .os,$(object-suffixes))
+
+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)libpthread.so: $(common-objpfx)libc.so
diff --git a/linuxthreads_db/proc_service.h b/linuxthreads_db/proc_service.h
new file mode 100644
index 0000000000..6e7fea8a89
--- /dev/null
+++ b/linuxthreads_db/proc_service.h
@@ -0,0 +1,44 @@
+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;
+
+typedef unsigned long paddr_t;
+
+
+
+
+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 *);
+
diff --git a/linuxthreads_db/td_init.c b/linuxthreads_db/td_init.c
new file mode 100644
index 0000000000..e65edc4e93
--- /dev/null
+++ b/linuxthreads_db/td_init.c
@@ -0,0 +1,30 @@
+/* Initialization function of thread debugger support library.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_init (void)
+{
+  /* XXX We have to figure out what has to be done.  */
+  LOG (__FUNCTION__);
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_log.c b/linuxthreads_db/td_log.c
new file mode 100644
index 0000000000..0c4a3670f5
--- /dev/null
+++ b/linuxthreads_db/td_log.c
@@ -0,0 +1,32 @@
+/* Noop, left for historical reasons.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "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 anyhting ourself.  We might in
+     future do some logging if this seems reasonable.  */
+  LOG (__FUNCTION__);
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_ta_delete.c b/linuxthreads_db/td_ta_delete.c
new file mode 100644
index 0000000000..a8031f2d27
--- /dev/null
+++ b/linuxthreads_db/td_ta_delete.c
@@ -0,0 +1,35 @@
+/* Detach to target process.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <stdlib.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_delete (td_thragent_t *ta)
+{
+  LOG (__FUNCTION__);
+
+  /* The handle was allocated in `td_ta_new'.  */
+  free (ta);
+
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_ta_enable_stats.c b/linuxthreads_db/td_ta_enable_stats.c
new file mode 100644
index 0000000000..eb3a338b29
--- /dev/null
+++ b/linuxthreads_db/td_ta_enable_stats.c
@@ -0,0 +1,30 @@
+/* Enable collection of statistics for process.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "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 (__FUNCTION__);
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_ta_event_addr.c b/linuxthreads_db/td_ta_event_addr.c
new file mode 100644
index 0000000000..6d6d4a850b
--- /dev/null
+++ b/linuxthreads_db/td_ta_event_addr.c
@@ -0,0 +1,30 @@
+/* Get event address.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_event_addr (const td_thragent_t *ta, td_event_e event, td_notify_t *addr)
+{
+  /* XXX We have to figure out what has to be done.  */
+  LOG (__FUNCTION__);
+  return TD_NOCAPAB;
+}
diff --git a/linuxthreads_db/td_ta_get_nthreads.c b/linuxthreads_db/td_ta_get_nthreads.c
new file mode 100644
index 0000000000..955555b2e5
--- /dev/null
+++ b/linuxthreads_db/td_ta_get_nthreads.c
@@ -0,0 +1,40 @@
+/* Get the number of threads in the process.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_get_nthreads (const td_thragent_t *ta, int *np)
+{
+  psaddr_t addr;
+
+  LOG (__FUNCTION__);
+
+  /* Access the variable `__pthread_handles_num'.  */
+  if (ps_pglobal_lookup (ta->ph, "libpthread.so.0", "__pthread_handles_num",
+		         &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/linuxthreads_db/td_ta_get_ph.c b/linuxthreads_db/td_ta_get_ph.c
new file mode 100644
index 0000000000..538990fee4
--- /dev/null
+++ b/linuxthreads_db/td_ta_get_ph.c
@@ -0,0 +1,32 @@
+/* Get external process handle.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_get_ph (const td_thragent_t *ta, struct ps_prochandle **ph)
+{
+  LOG (__FUNCTION__);
+
+  *ph = ta->ph;
+
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_ta_get_stats.c b/linuxthreads_db/td_ta_get_stats.c
new file mode 100644
index 0000000000..d8f5fe294f
--- /dev/null
+++ b/linuxthreads_db/td_ta_get_stats.c
@@ -0,0 +1,30 @@
+/* Retrieve statistics for process.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "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 (__FUNCTION__);
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_ta_map_id2thr.c b/linuxthreads_db/td_ta_map_id2thr.c
new file mode 100644
index 0000000000..ffbc8b2908
--- /dev/null
+++ b/linuxthreads_db/td_ta_map_id2thr.c
@@ -0,0 +1,47 @@
+/* Map thread ID to thread handle.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_map_id2thr (const td_thragent_t *ta, pthread_t pt, td_thrhandle_t *th)
+{
+  struct pthread_handle_struct *handles = ta->handles;
+  struct pthread_handle_struct phc;
+  int pthread_threads_max = ta->pthread_threads_max;
+
+  LOG (__FUNCTION__);
+
+  /* We can compute the entry in the handle array we want.  */
+  if (ps_pdread (ta->ph, handles + pt % pthread_threads_max, &phc,
+		 sizeof (struct pthread_handle_struct)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Test whether this entry is in use.  */
+  if (phc.h_descr == NULL)
+    return TD_BADTH;
+
+  /* Create the `td_thrhandle_t' object.  */
+  th->th_ta_p = (td_thragent_t *) ta;
+  th->th_unique = phc.h_descr;
+
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_ta_map_lwp2thr.c b/linuxthreads_db/td_ta_map_lwp2thr.c
new file mode 100644
index 0000000000..995620f023
--- /dev/null
+++ b/linuxthreads_db/td_ta_map_lwp2thr.c
@@ -0,0 +1,62 @@
+/* Which thread is running on an lwp?
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_map_lwp2thr (const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th)
+{
+  struct pthread_handle_struct *handles = ta->handles;
+  int pthread_threads_max = ta->pthread_threads_max;
+  size_t cnt;
+
+  LOG (__FUNCTION__);
+
+  /* Get the entries one after the other and find out whether the ID
+     matches.  */
+  for (cnt = 0; cnt < pthread_threads_max; ++cnt, ++handles)
+    {
+      struct pthread_handle_struct phc;
+      struct _pthread_descr_struct pds;
+
+      if (ps_pdread (ta->ph, handles, &phc,
+		     sizeof (struct pthread_handle_struct)) != PS_OK)
+	return TD_ERR;	/* XXX Other error value?  */
+
+      if (phc.h_descr != NULL)
+	{
+	  if (ps_pdread (ta->ph, phc.h_descr, &pds,
+			 sizeof (struct _pthread_descr_struct)) != PS_OK)
+	    return TD_ERR;	/* XXX Other error value?  */
+
+	  if (pds.p_pid == lwpid)
+	    {
+	      /* Found it.  Now fill in the `td_thrhandle_t' object.  */
+	      th->th_ta_p = (td_thragent_t *) ta;
+	      th->th_unique = phc.h_descr;
+
+	      return TD_OK;
+	    }
+	}
+    }
+
+  return TD_NOLWP;
+}
diff --git a/linuxthreads_db/td_ta_new.c b/linuxthreads_db/td_ta_new.c
new file mode 100644
index 0000000000..d018ac6807
--- /dev/null
+++ b/linuxthreads_db/td_ta_new.c
@@ -0,0 +1,115 @@
+/* Attach to target process.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+
+   Boston, MA 02111-1307, USA.  */
+
+#include <stddef.h>
+#include <stdlib.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_new (struct ps_prochandle *ps, td_thragent_t **ta)
+{
+  psaddr_t addr;
+
+  LOG (__FUNCTION__);
+
+  /* See whether the library contains the necessary symbols.  */
+  if (ps_pglobal_lookup (ps, "libpthread.so.0", "__pthread_threads_debug",
+		         &addr) != PS_OK)
+    return TD_LIBTHREAD;
+
+  /* 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;
+
+  /* See whether the library contains the necessary symbols.  */
+  if (ps_pglobal_lookup (ps, "libpthread.so.0", "__pthread_handles",
+		         &addr) != PS_OK)
+    {
+    free_return:
+      free (*ta);
+      return TD_ERR;
+    }
+
+  (*ta)->handles = (struct pthread_handle_struct *) addr;
+
+
+  if (ps_pglobal_lookup (ps, "libpthread.so.0", "pthread_keys",
+		         &addr) != PS_OK)
+    goto free_return;
+
+  /* Cast to the right type.  */
+  (*ta)->keys = (struct pthread_key_struct *) addr;
+
+  /* Find out about the maximum number of threads.  Old implementations
+     don't provide this information.  In this case we assume that the
+     debug  library is compiled with the same values.  */
+  if (ps_pglobal_lookup (ps, "libpthread.so.0",
+			 "__linuxthreads_pthread_threads_max", &addr) != PS_OK)
+    (*ta)->pthread_threads_max = PTHREAD_THREADS_MAX;
+  else
+    {
+      if (ps_pdread (ps, addr, &(*ta)->pthread_threads_max, sizeof (int))
+	  != PS_OK)
+	goto free_return;
+    }
+
+  /* Similar for the maximum number of thread local data keys.  */
+  if (ps_pglobal_lookup (ps, "libpthread.so.0",
+			 "__linuxthreads_pthread_keys_max", &addr) != PS_OK)
+    (*ta)->pthread_keys_max = PTHREAD_KEYS_MAX;
+  else
+    {
+      if (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 (ps_pglobal_lookup (ps, "libpthread.so.0",
+			 "__linuxthreads_pthread_sizeof_descr", &addr)
+      != PS_OK)
+    (*ta)->sizeof_descr = offsetof (struct _pthread_descr_struct, p_startfct);
+  else
+    {
+      if (ps_pdread (ps, addr, &(*ta)->sizeof_descr, sizeof (int)) != PS_OK)
+	goto free_return;
+    }
+
+  /* Similar for the maximum number of thread local data keys.  */
+  if (ps_pglobal_lookup (ps, "libpthread.so.0",
+			 "__linuxthreads_pthread_keys_max", &addr) != PS_OK)
+    (*ta)->pthread_keys_max = PTHREAD_KEYS_MAX;
+  else
+    {
+      if (ps_pdread (ps, addr, &(*ta)->pthread_keys_max, sizeof (int))
+	  != PS_OK)
+	goto free_return;
+    }
+
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_ta_reset_stats.c b/linuxthreads_db/td_ta_reset_stats.c
new file mode 100644
index 0000000000..1ea1e713ab
--- /dev/null
+++ b/linuxthreads_db/td_ta_reset_stats.c
@@ -0,0 +1,30 @@
+/* Reset statistics.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "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 (__FUNCTION__);
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_ta_setconcurrency.c b/linuxthreads_db/td_ta_setconcurrency.c
new file mode 100644
index 0000000000..eec9968810
--- /dev/null
+++ b/linuxthreads_db/td_ta_setconcurrency.c
@@ -0,0 +1,30 @@
+/* Set suggested concurrency level for process.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_setconcurrency (const td_thragent_t *ta, int level)
+{
+  /* This is something LinuxThreads does not support.  */
+  LOG (__FUNCTION__);
+  return TD_NOCAPAB;
+}
diff --git a/linuxthreads_db/td_ta_thr_iter.c b/linuxthreads_db/td_ta_thr_iter.c
new file mode 100644
index 0000000000..ffb4ef23ea
--- /dev/null
+++ b/linuxthreads_db/td_ta_thr_iter.c
@@ -0,0 +1,73 @@
+/* Iterate over a process's threads.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+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)
+{
+  struct pthread_handle_struct *handles = ta->handles;
+  int pthread_threads_max = ta->pthread_threads_max;
+  int cnt;
+
+  LOG (__FUNCTION__);
+
+  /* Now get all descriptors, one after the other.  */
+  for (cnt = 0; cnt < pthread_threads_max; ++cnt, ++handles)
+    {
+      struct pthread_handle_struct phc;
+
+      if (cnt == 1)
+	/* Skip the manager thread.  */
+	continue;
+
+      if (ps_pdread (ta->ph, handles, &phc,
+		     sizeof (struct pthread_handle_struct)) != PS_OK)
+	return TD_ERR;	/* XXX Other error value?  */
+
+      if (phc.h_descr != NULL)
+	{
+	  struct _pthread_descr_struct pds;
+	  td_thrhandle_t th;
+
+	  if (ps_pdread (ta->ph, phc.h_descr, &pds,
+			 sizeof (struct _pthread_descr_struct)) != PS_OK)
+	    return TD_ERR;	/* XXX Other error value?  */
+
+	  /* Now test whether this thread matches the specified
+	     conditions.  */
+
+	  /* Only if the priority level is as high or higher.  */
+	  if (pds.p_priority < ti_pri)
+	    continue;
+
+	  /* Yep, it matches.  Call the callback function.  */
+	  th.th_ta_p = (td_thragent_t *) ta;
+	  th.th_unique = phc.h_descr;
+	  if (callback (&th, cbdata_p) != 0)
+	    return TD_DBERR;
+	}
+    }
+
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_ta_tsd_iter.c b/linuxthreads_db/td_ta_tsd_iter.c
new file mode 100644
index 0000000000..4eada2b2af
--- /dev/null
+++ b/linuxthreads_db/td_ta_tsd_iter.c
@@ -0,0 +1,51 @@
+/* Iterate over a process's thread-specific data.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_tsd_iter (const td_thragent_t *ta, td_key_iter_f *callback,
+		void *cbdata_p)
+{
+  struct pthread_key_struct *keys = ta->keys;
+  int pthread_keys_max = ta->pthread_keys_max;
+  int cnt;
+
+  /* XXX We have to figure out what has to be done.  */
+  LOG (__FUNCTION__);
+
+  /* Now get all descriptors, one after the other.  */
+  for (cnt = 0; cnt < pthread_keys_max; ++cnt, ++keys)
+    {
+      struct pthread_key_struct key;
+
+      if (ps_pdread (ta->ph, keys, &key,
+		     sizeof (struct pthread_key_struct)) != PS_OK)
+	return TD_ERR;	/* XXX Other error value?  */
+
+      if (key.in_use
+	  /* Return with an error if the callback returns a nonzero value.  */
+	  && callback (cnt, key.destr, cbdata_p) != 0)
+	return TD_DBERR;
+    }
+
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_thr_clear_event.c b/linuxthreads_db/td_thr_clear_event.c
new file mode 100644
index 0000000000..c3c633b71d
--- /dev/null
+++ b/linuxthreads_db/td_thr_clear_event.c
@@ -0,0 +1,30 @@
+/* Disable specific event.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_clear_event (const td_thrhandle_t *th, td_thr_events_t *event)
+{
+  /* XXX We have to figure out what has to be done.  */
+  LOG (__FUNCTION__);
+  return TD_NOCAPAB;
+}
diff --git a/linuxthreads_db/td_thr_dbresume.c b/linuxthreads_db/td_thr_dbresume.c
new file mode 100644
index 0000000000..692943a74f
--- /dev/null
+++ b/linuxthreads_db/td_thr_dbresume.c
@@ -0,0 +1,30 @@
+/* Resume execution of given thread.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "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 (__FUNCTION__);
+  return TD_NOCAPAB;
+}
diff --git a/linuxthreads_db/td_thr_dbsuspend.c b/linuxthreads_db/td_thr_dbsuspend.c
new file mode 100644
index 0000000000..9e7ceb6532
--- /dev/null
+++ b/linuxthreads_db/td_thr_dbsuspend.c
@@ -0,0 +1,30 @@
+/* Suspend execution of given thread.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "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 (__FUNCTION__);
+  return TD_NOCAPAB;
+}
diff --git a/linuxthreads_db/td_thr_event_enable.c b/linuxthreads_db/td_thr_event_enable.c
new file mode 100644
index 0000000000..d6db6a76ca
--- /dev/null
+++ b/linuxthreads_db/td_thr_event_enable.c
@@ -0,0 +1,30 @@
+/* Enable event reporting.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_event_enable (const td_thrhandle_t *th, int event)
+{
+  /* XXX We have to figure out what has to be done.  */
+  LOG (__FUNCTION__);
+  return TD_NOCAPAB;
+}
diff --git a/linuxthreads_db/td_thr_event_getmsg.c b/linuxthreads_db/td_thr_event_getmsg.c
new file mode 100644
index 0000000000..0fa4cd6fbe
--- /dev/null
+++ b/linuxthreads_db/td_thr_event_getmsg.c
@@ -0,0 +1,30 @@
+/* Retrieve event.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_event_getmsg (const td_thrhandle_t *th, td_event_msg_t *msg)
+{
+  /* XXX We have to figure out what has to be done.  */
+  LOG (__FUNCTION__);
+  return TD_NOCAPAB;
+}
diff --git a/linuxthreads_db/td_thr_get_info.c b/linuxthreads_db/td_thr_get_info.c
new file mode 100644
index 0000000000..90015fb191
--- /dev/null
+++ b/linuxthreads_db/td_thr_get_info.c
@@ -0,0 +1,55 @@
+/* Get thread information.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <stddef.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_get_info (const td_thrhandle_t *th, td_thrinfo_t *infop)
+{
+  struct _pthread_descr_struct pds;
+
+  LOG (__FUNCTION__);
+
+  /* Get the thread descriptor.  */
+  if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+		 th->th_ta_p->sizeof_descr) != 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_ta_p = th->th_ta_p;
+  infop->ti_tid = pds.p_tid;
+  infop->ti_tls = (char *) pds.p_specific;
+  infop->ti_pri = pds.p_priority;
+
+  /* We can get the following information only if the thread descriptor
+     in the target processor is large enough, i.e., comes from a recent
+     enough library.  */
+  if (offsetof (struct _pthread_descr_struct, p_startfct)
+      < th->th_ta_p->sizeof_descr)
+    infop->ti_startfunc = pds.p_startfct;
+
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_thr_getfpregs.c b/linuxthreads_db/td_thr_getfpregs.c
new file mode 100644
index 0000000000..33bd95ee30
--- /dev/null
+++ b/linuxthreads_db/td_thr_getfpregs.c
@@ -0,0 +1,40 @@
+/* Get a thread's floating-point register set.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_getfpregs (const td_thrhandle_t *th, prfpregset_t *regset)
+{
+  struct _pthread_descr_struct pds;
+
+  LOG (__FUNCTION__);
+
+  /* We have to get the PID for this thread.  */
+  if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+		 sizeof (struct _pthread_descr_struct)) != PS_OK)
+    return TD_ERR;
+
+  if (ps_lgetfpregs (th->th_ta_p->ph, pds.p_pid, regset) != PS_OK)
+    return TD_ERR;
+
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_thr_getgregs.c b/linuxthreads_db/td_thr_getgregs.c
new file mode 100644
index 0000000000..e8a87b1bcc
--- /dev/null
+++ b/linuxthreads_db/td_thr_getgregs.c
@@ -0,0 +1,40 @@
+/* Get a thread's general register set.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_getgregs (const td_thrhandle_t *th, prgregset_t gregs)
+{
+  struct _pthread_descr_struct pds;
+
+  LOG (__FUNCTION__);
+
+  /* We have to get the PID for this thread.  */
+  if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+		 sizeof (struct _pthread_descr_struct)) != PS_OK)
+    return TD_ERR;
+
+  if (ps_lgetregs (th->th_ta_p->ph, pds.p_pid, gregs) != PS_OK)
+    return TD_ERR;
+
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_thr_getxregs.c b/linuxthreads_db/td_thr_getxregs.c
new file mode 100644
index 0000000000..d8d568351b
--- /dev/null
+++ b/linuxthreads_db/td_thr_getxregs.c
@@ -0,0 +1,30 @@
+/* Get a thread's extra state register set.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_getxregs (const td_thrhandle_t *th, void *xregs)
+{
+  /* XXX This might be platform specific.  */
+  LOG (__FUNCTION__);
+  return TD_NOXREGS;
+}
diff --git a/linuxthreads_db/td_thr_getxregsize.c b/linuxthreads_db/td_thr_getxregsize.c
new file mode 100644
index 0000000000..f704a31e81
--- /dev/null
+++ b/linuxthreads_db/td_thr_getxregsize.c
@@ -0,0 +1,30 @@
+/* Get the size of the extra state register set for this architecture.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_getxregsize (const td_thrhandle_t *th, int *sizep)
+{
+  /* XXX This might be platform specific.  */
+  LOG (__FUNCTION__);
+  return TD_NOXREGS;
+}
diff --git a/linuxthreads_db/td_thr_set_event.c b/linuxthreads_db/td_thr_set_event.c
new file mode 100644
index 0000000000..9454309b22
--- /dev/null
+++ b/linuxthreads_db/td_thr_set_event.c
@@ -0,0 +1,30 @@
+/* Enable specific event for thread.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_set_event (const td_thrhandle_t *th, td_thr_events_t *event)
+{
+  /* XXX We have to figure out what has to be done.  */
+  LOG (__FUNCTION__);
+  return TD_NOCAPAB;
+}
diff --git a/linuxthreads_db/td_thr_setfpregs.c b/linuxthreads_db/td_thr_setfpregs.c
new file mode 100644
index 0000000000..a18e1edc1e
--- /dev/null
+++ b/linuxthreads_db/td_thr_setfpregs.c
@@ -0,0 +1,40 @@
+/* Set a thread's floating-point register set.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_setfpregs (const td_thrhandle_t *th, const prfpregset_t *fpregs)
+{
+  struct _pthread_descr_struct pds;
+
+  LOG (__FUNCTION__);
+
+  /* We have to get the PID for this thread.  */
+  if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+                 sizeof (struct _pthread_descr_struct)) != PS_OK)
+    return TD_ERR;
+
+  if (ps_lsetfpregs (th->th_ta_p->ph, pds.p_pid, fpregs) != PS_OK)
+    return TD_ERR;
+
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_thr_setgregs.c b/linuxthreads_db/td_thr_setgregs.c
new file mode 100644
index 0000000000..1de2d3c554
--- /dev/null
+++ b/linuxthreads_db/td_thr_setgregs.c
@@ -0,0 +1,40 @@
+/* Set a thread's general register set.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_setgregs (const td_thrhandle_t *th, prgregset_t gregs)
+{
+  struct _pthread_descr_struct pds;
+
+  LOG (__FUNCTION__);
+
+  /* We have to get the PID for this thread.  */
+  if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+                 sizeof (struct _pthread_descr_struct)) != PS_OK)
+    return TD_ERR;
+
+  if (ps_lsetregs (th->th_ta_p->ph, pds.p_pid, gregs) != PS_OK)
+    return TD_ERR;
+
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_thr_setprio.c b/linuxthreads_db/td_thr_setprio.c
new file mode 100644
index 0000000000..03a503d01e
--- /dev/null
+++ b/linuxthreads_db/td_thr_setprio.c
@@ -0,0 +1,30 @@
+/* Set a thread's priority.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "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 (__FUNCTION__);
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_thr_setsigpending.c b/linuxthreads_db/td_thr_setsigpending.c
new file mode 100644
index 0000000000..815cd2226d
--- /dev/null
+++ b/linuxthreads_db/td_thr_setsigpending.c
@@ -0,0 +1,31 @@
+/* Raise a signal for a thread.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "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 (__FUNCTION__);
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_thr_setxregs.c b/linuxthreads_db/td_thr_setxregs.c
new file mode 100644
index 0000000000..4b4fc34752
--- /dev/null
+++ b/linuxthreads_db/td_thr_setxregs.c
@@ -0,0 +1,30 @@
+/* Set a thread's extra state register set.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "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 (__FUNCTION__);
+  return TD_NOXREGS;
+}
diff --git a/linuxthreads_db/td_thr_sigsetmask.c b/linuxthreads_db/td_thr_sigsetmask.c
new file mode 100644
index 0000000000..88115976ce
--- /dev/null
+++ b/linuxthreads_db/td_thr_sigsetmask.c
@@ -0,0 +1,30 @@
+/* Set a thread's signal mask.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "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 (__FUNCTION__);
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_thr_tsd.c b/linuxthreads_db/td_thr_tsd.c
new file mode 100644
index 0000000000..0453c981ea
--- /dev/null
+++ b/linuxthreads_db/td_thr_tsd.c
@@ -0,0 +1,76 @@
+/* Get a thread-specific data pointer for a thread.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_tsd (const td_thrhandle_t *th, const thread_key_t tk, void **data)
+{
+  struct _pthread_descr_struct pds;
+  struct pthread_key_struct *keys = th->th_ta_p->keys;
+  struct pthread_key_struct key;
+  int pthread_keys_max = th->th_ta_p->pthread_keys_max;
+  int pthread_key_2ndlevel_size = th->th_ta_p->pthread_key_2ndlevel_size;
+  unsigned int idx1st;
+  unsigned int idx2nd;
+  void *p;
+
+  LOG (__FUNCTION__);
+
+  /* Get the thread descriptor.  */
+  if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+		 sizeof (struct _pthread_descr_struct)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Check correct value of key.  */
+  if (tk >= pthread_keys_max)
+    return TD_BADKEY;
+
+  /* Get the key entry.  */
+  if (ps_pdread (th->th_ta_p->ph, keys, &key,
+		 sizeof (struct pthread_key_struct)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Fail if this key is not at all used.  */
+  if (! key.in_use)
+    return TD_BADKEY;
+
+  /* Compute the indeces.  */
+  idx1st = tk / pthread_key_2ndlevel_size;
+  idx2nd = tk % pthread_key_2ndlevel_size;
+
+  /* Check the pointer to the second level array.  */
+  if (pds.p_specific[idx1st] == NULL)
+    return TD_NOTSD;
+
+  /* Now get the real key.
+     XXX I don't know whether it's correct but there is currently no
+     easy way to determine whether a key was never set or the value
+     is NULL.  We return an error whenever the value is NULL.  */
+  if (ps_pdread (th->th_ta_p->ph, &pds.p_specific[idx1st][idx2nd], &p,
+		 sizeof (void *)) != PS_OK)
+    return TD_ERR;
+
+  if (p != NULL)
+    *data = p;
+
+  return p != NULL ? TD_OK : TD_NOTSD;
+}
diff --git a/linuxthreads_db/td_thr_validate.c b/linuxthreads_db/td_thr_validate.c
new file mode 100644
index 0000000000..f6f0d9094d
--- /dev/null
+++ b/linuxthreads_db/td_thr_validate.c
@@ -0,0 +1,55 @@
+/* Validate a thread handle.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_validate (const td_thrhandle_t *th)
+{
+  struct pthread_handle_struct *handles = th->th_ta_p->handles;
+  int pthread_threads_max = th->th_ta_p->pthread_threads_max;
+  int cnt;
+
+  LOG (__FUNCTION__);
+
+  /* Now get all descriptors, one after the other.  */
+  for (cnt = 0; cnt < pthread_threads_max; ++cnt, ++handles)
+    {
+      struct pthread_handle_struct phc;
+
+      if (cnt == 1)
+	/* Skip the manager thread.  */
+	continue;
+
+      if (ps_pdread (th->th_ta_p->ph, handles, &phc,
+		     sizeof (struct pthread_handle_struct)) != PS_OK)
+	return TD_ERR;	/* XXX Other error value?  */
+
+      if (phc.h_descr != NULL && phc.h_descr == th->th_unique)
+	{
+	  /* XXX There should be another test using the TID but this is
+	     currently not available.  */
+	  return TD_OK;
+	}
+    }
+
+  return TD_ERR;
+}
diff --git a/linuxthreads_db/thread_db.h b/linuxthreads_db/thread_db.h
new file mode 100644
index 0000000000..f65363ebc6
--- /dev/null
+++ b/linuxthreads_db/thread_db.h
@@ -0,0 +1,426 @@
+/* Copyright (C) 1999 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _THREAD_DB_H
+#define _THREAD_DB_H	1
+
+/* This is the debugger interface for the LinuxThreads 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/ucontext.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_LIBTHREAD,	/* 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_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.  */
+
+/* Addresses.  */
+typedef void *psaddr_t;
+
+/* 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;
+
+
+/* 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;
+
+
+/* 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;
+
+/* Linux has different names for the register set types.  */
+typedef gregset_t prgregset_t;
+typedef fpregset_t prfpregset_t;
+
+
+/* Callback for iteration over threads.  */
+typedef int td_thr_iter_f __P ((const td_thrhandle_t *, void *));
+
+/* Callback for iteration over thread local data.  */
+typedef int td_key_iter_f __P ((thread_key_t, void (*) (void *), void *));
+
+
+
+/* Forward declaration.  This has to be defined by the user.  */
+struct ps_prochandle;
+
+/* We don't have any differences between processes and threads, therefore
+   have only one PID type.  */
+typedef pid_t lwpid_t;
+
+
+/* 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;		/* Unused.  */
+  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);
+
+/* Generate new thread debu librarz 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 is 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);
+
+
+/* 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 statitics 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);
+
+
+/* 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/linuxthreads_db/thread_dbP.h b/linuxthreads_db/thread_dbP.h
new file mode 100644
index 0000000000..8db5b588dd
--- /dev/null
+++ b/linuxthreads_db/thread_dbP.h
@@ -0,0 +1,46 @@
+/* Private header for thread debug library.  */
+#ifndef _THREAD_DBP_H
+#define _THREAD_DBP_H	1
+
+#include "thread_db.h"
+#include "../linuxthreads/internals.h"
+
+#include "proc_service.h"
+
+
+/* Comment out the following for less verbose output.  */
+#define LOG(c) __libc_write (2, c "\n", strlen (c "\n"))
+extern ssize_t __libc_write (int, const void *, size_t);
+
+
+
+/* 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.  */
+
+  /* Address of the `__pthread_handles' array.  */
+  struct pthread_handle_struct *handles;
+
+  /* Address of the `pthread_kyes' array.  */
+  struct pthread_key_struct *keys;
+
+  /* Maximum number of threads.  */
+  int pthread_threads_max;
+
+  /* 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;
+};
+
+
+#endif /* thread_dbP.h */