(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

48 files changed, 3478 insertions, 0 deletions

diff --git a/linuxthreads_db/Banner b/linuxthreads_db/Banner
new file mode 100644
index 0000000000..6f4f3f8189
--- /dev/null
+++ b/linuxthreads_db/Banner
@@ -0,0 +1 @@
+libthread_db work sponsored by Alpha Processor Inc
diff --git a/linuxthreads_db/ChangeLog b/linuxthreads_db/ChangeLog
new file mode 100644
index 0000000000..338bf8207f
--- /dev/null
+++ b/linuxthreads_db/ChangeLog
@@ -0,0 +1,447 @@
+2004-05-01  Jakub Jelinek  <jakub@redhat.com>
+
+	* thread_dbP.h (LOG): Use write instead of __libc_write.
+
+2004-03-13  Jakub Jelinek  <jakub@redhat.com>
+
+	* td_thr_tlsbase.c: Remove dl-tls.h include.  Don't use
+	TLS_TP_OFFSET in the #if, but TLS_TCB_SIZE == 0 ?:.
+
+2004-03-12  Roland McGrath  <roland@redhat.com>
+
+	* td_thr_tlsbase.c [TLS_DTV_AT_TP && TLS_TP_OFFSET > 0]: Handle this
+	case (PowerPC) differently.
+
+2003-11-25  Roland McGrath  <roland@redhat.com>
+
+	* td_symbol_list.c (symbol_list_arr) [HAVE_ASM_GLOBAL_DOT_NAME]:
+	Prepend "." to symbol names for functions.
+
+2003-08-18  Daniel Jacobowitz  <drow@mvista.com>
+
+	* td_thr_getfpregs.c (td_thr_getfpregs): Use the main thread if
+	the descriptor is uninitialized.
+	* td_thr_getgregs.c (td_thr_getgregs): Likewise.
+
+2003-03-15  Roland McGrath  <roland@redhat.com>
+
+	* thread_db.h (td_err_e): Add TD_NOTLS and TD_TLSDEFER.
+	(td_thr_tlsbase): Declare it.
+	* td_thr_tlsbase.c: New file.
+	* Makefile (libthread_db-routines): Add it.
+	* Versions (libthread_db: GLIBC_2.3.3): New set, add td_thr_tlsbase.
+	* td_thr_tls_get_addr.c (td_thr_tls_get_addr): Use td_thr_tlsbase.
+
+2003-02-27  Roland McGrath  <roland@redhat.com>
+
+	* td_thr_tls_get_addr.c (td_thr_tls_get_addr): Handle TLS_DTV_AT_TP.
+
+	* td_ta_thr_iter.c (handle_descr) [!defined USE_TLS || !TLS_DTV_AT_TP]:
+	Conditionalize p_header use on this.
+
+2003-01-29  Roland McGrath  <roland@redhat.com>
+
+	* td_ta_new.c (td_ta_new): Cap the `sizeof_descr' value read from the
+	inferior at `sizeof (struct _pthread_descr_struct)', since we use it
+	as a length in copies to our own structures.
+
+2003-01-05  Ulrich Drepper  <drepper@redhat.com>
+
+	* Makefile (libthread_db.so-no-z-defs): Define.
+
+2002-09-29  Ulrich Drepper  <drepper@redhat.com>
+
+	* td_thr_tsd.c (td_thr_tsd): Read correct entry from pthread_keys
+	array.
+
+2002-09-28  Andreas Jaeger  <aj@suse.de>
+
+	* td_thr_tls_get_addr.c (td_thr_tls_get_addr): Fix reference to dtv.
+
+2002-09-24  Roland McGrath  <roland@redhat.com>
+
+	* td_thr_tls_get_addr.c (td_thr_tls_get_addr): Fetch just the
+	individual members we need, not the whole structures.
+
+2002-09-24  Ulrich Drepper  <drepper@redhat.com>
+
+	* td_thr_tls_get_addr.c (td_thr_tls_get_addr): Change second
+	parameter to be the address of the link map in the inferior process.
+	* thread_db.h: Update prototype for td_thr_tls_get_addr.
+
+2002-08-23  Ulrich Drepper  <drepper@redhat.com>
+
+	* thread_dbP.h: Define LINUXTHREADS_VERSION.
+	* td_symbol_list.c (symbol_list_arr): Add LINUXTHREADS_VERSION string.
+	* td_ta_new.c (td_ta_new): After verifying the thread library is
+	there check version.
+	* thread_db.h: Add new error TD_VERSION.
+
+2002-08-21  Roland McGrath  <roland@redhat.com>
+
+	* td_thr_tls_get_addr.c (td_thr_tls_get_addr): __attribute_used__ ->
+	__attribute__ ((unused)) for arguments.
+
+2002-08-07  Ulrich Drepper  <drepper@redhat.com>
+
+	* thread_dbP.h: Define LINUXTHREADS_INITIAL_REPORT_EVENTS.
+	* td_thr_event_enable.c (td_thr_event_enable): If th->th_unique is
+	null write to __linuxthreads_initial_report_events.
+	* td_symbol_list.c (symbol_list_arr): Add
+	__linuxthreads_initial_report_events.
+
+2002-07-16  Ulrich Drepper  <drepper@redhat.com>
+
+	* td_thr_clear_event.c: Yet more changes to help with TLS-enabled
+	libpthread.
+	* td_thr_event_enable.c: Likewise.
+	* td_thr_event_getmsg.c: Likewise.
+	* td_thr_set_event.c: Likewise.
+	* td_thr_setfpregs.c: Likewise.
+	* td_thr_setgregs.c: Likewise.
+	* td_thr_tsd.c: Likewise.
+	* td_thr_validate.c: Likewise.
+
+2002-07-15  Ulrich Drepper  <drepper@redhat.com>
+
+	* td_ta_thr_iter.c: Some more changes to enable using TLS-enabled
+	libpthread.
+	* td_thr_event_enable.c: Likewise.
+	* td_thr_getfpregs.c: Likewise.
+	* td_thr_getgregs.c: Likewise.
+
+2002-07-14  Ulrich Drepper  <drepper@redhat.com>
+
+	* td_ta_map_id2thr.c: Begin fixing implementation for libpthread with
+	TLS support.
+	* td_ta_map_lwp2thr.c: Likewise.
+	* td_ta_thr_iter.c: Likewise.
+	* td_thr_get_info.c: Likewise.
+
+2002-07-10  Ulrich Drepper  <drepper@redhat.com>
+
+	* Versions [libthread_db] (GLIBC_2.3): Add td_thr_tls_get_addr.
+
+2002-06-14  H.J. Lu  <hjl@gnu.org>
+
+	* td_thr_tls_get_addr.c (td_thr_tls_get_addr): Don't include
+	"tls.h". Return TD_ERR if USE_TLS is not defined.
+
+2002-06-12  Ulrich Drepper  <drepper@redhat.com>
+
+	* td_thr_tls_get_addr.c: New file.
+	* thread_db.h: Add prototype for td_thr_tls_get_addr.
+	* Makefile (libthread_db-routines): Add td_thr_tls_get_addr.
+
+2002-03-03  Andreas Jaeger  <aj@suse.de>
+
+	* thread_dbP.h: Include <unistd.h> for prototypes of __libc_write.
+
+2002-02-04  Ulrich Drepper  <drepper@redhat.com>
+
+	* thread_dbP.h: Include descr.h instead of internals.h.
+	* td_ta_event_getmsg.c: Also include <linuxthreads/internals.h>.
+	* td_ta_map_id2thr.c: Likewise.
+	* td_ta_map_lwp2thr.c: Likewise.
+	* td_ta_thr_iter.c: Likewise.
+	* td_ta_tsd_iter.c: Likewise.
+	* td_thr_tsd.c: Likewise.
+	* td_thr_validate.c: Likewise.
+
+2001-12-28  Andreas Jaeger  <aj@suse.de>
+
+	* td_init.c (td_init): Don't use __FUNCTION__ as literal.
+	* td_log.c (td_log): Likewise.
+	* td_ta_delete.c (td_ta_delete): Likewise.
+	* td_ta_get_nthreads.c (td_ta_get_nthreads): Likewise.
+	* td_ta_get_ph.c (td_ta_get_ph): Likewise.
+	* td_ta_map_id2thr.c (td_ta_map_id2thr): Likewise.
+	* td_ta_map_lwp2thr.c (td_ta_map_lwp2thr): Likewise.
+	* td_ta_new.c (td_ta_new): Likewise.
+	* td_ta_clear_event.c (td_ta_clear_event): Likewise.
+	* td_ta_enable_stats.c (td_ta_enable_stats): Likewise.
+	* td_ta_event_addr.c (td_ta_event_addr): Likewise.
+	* td_ta_event_getmsg.c (td_ta_event_getmsg): Likewise.
+	* td_ta_get_stats.c (td_ta_get_stats): Likewise.
+	* td_ta_reset_stats.c (td_ta_reset_stats): Likewise.
+	* td_ta_set_event.c (td_ta_set_event): Likewise.
+	* td_ta_setconcurrency.c (td_ta_setconcurrency): Likewise.
+	* td_ta_thr_iter.c (td_ta_thr_iter): Likewise.
+	* td_ta_tsd_iter.c (td_ta_tsd_iter): Likewise.
+	* td_thr_clear_event.c (td_thr_clear_event): Likewise.
+	* td_thr_dbresume.c (td_thr_dbresume): Likewise.
+	* td_thr_dbsuspend.c (td_thr_dbsuspend): Likewise.
+	* td_thr_event_enable.c (td_thr_event_enable): Likewise.
+	* td_thr_event_getmsg.c (td_thr_event_getmsg): Likewise.
+	* td_thr_get_info.c (td_thr_get_info): Likewise.
+	* td_thr_getfpregs.c (td_thr_getfpregs): Likewise.
+	* td_thr_getgregs.c (td_thr_getgregs): Likewise.
+	* td_thr_getxregs.c (td_thr_getxregs): Likewise.
+	* td_thr_getxregsize.c (td_thr_getxregsize): Likewise.
+	* td_thr_set_event.c (td_thr_set_event): Likewise.
+	* td_thr_setfpregs.c (td_thr_setfpregs): Likewise.
+	* td_thr_setgregs.c (td_thr_setgregs): Likewise.
+	* td_thr_setprio.c (td_thr_setprio): Likewise.
+	* td_thr_setsigpending.c (td_thr_setsigpending): Likewise.
+	* td_thr_setxregs.c (td_thr_setxregs): Likewise.
+	* td_thr_sigsetmask.c (td_thr_sigsetmask): Likewise.
+	* td_thr_tsd.c (td_thr_tsd): Likewise.
+	* td_thr_validate.c (td_thr_validate): Likewise.
+
+2001-04-12  Ulrich Drepper  <drepper@redhat.com>
+
+	* td_ta_map_id2thr.c: If thread terminated return TD_NOTHR.
+	* td_thr_validate.c: Likewise.
+
+2001-04-04  Ulrich Drepper  <drepper@redhat.com>
+
+	* td_thr_getfpregs.c: If p_pid is zero use ps_getpid().
+	* td_thr_getgregs.c: Likewise.
+	* td_thr_setfpregs.c: Likewise.
+	* td_thr_setgregs.c: Likewise.
+
+2001-03-20  Ulrich Drepper  <drepper@redhat.com>
+
+	* Makefile (libthread_db-routines): Add td_symbol_list.
+	* Versions [libthread_db] (GLIBC_2.2.3): Add td_symbol_list.
+	* td_symbol_list.c: New file.
+	* thread_db.h: Add prototype for td_symbol_list.
+	* thread_dbP.h: Define symbol name indices.
+	Add prototype for td_lookup.
+	* td_ta_event_addr.c: Use td_lookup instead of directly using
+	ps_pglobal_lookup to find symbol address.
+	* td_ta_get_nthreads.c: Likewise.
+	* td_ta_new.c: Likewise.
+
+2001-03-18  Ulrich Drepper  <drepper@redhat.com>
+
+	* Makefile: When generating DSO link with libc_nonshared.a.
+
+2000-08-01  Andreas Jaeger  <aj@suse.de>
+
+	* Makefile (distribute): Add missing files.
+
+2000-04-24  Mark Kettenis  <kettenis@gnu.org>
+
+	* td_thr_get_info.c (td_thr_get_info): Set ti_state to
+	TD_THR_ACTIVE instead of TD_THR_RUN.  If the thread is no longer
+	running but is still joinable, set it to TD_THR_ZOMBIE.  Otherwise
+	set it to TD_THR_UNKNOWN.
+
+2000-02-25  Andreas Jaeger  <aj@suse.de>
+
+	* td_ta_thr_iter.c: Include <alloca.h> for prototype declaration.
+	* td_ta_tsd_iter.c: Likewise.
+
+2000-01-20  Andreas Jaeger  <aj@suse.de>
+
+	* td_thr_getgregs.c (td_thr_getgregs): Fix typo.
+
+2000-01-19  Ulrich Drepper  <drepper@cygnus.com>
+
+	* td_thr_getgregs.c: Correct size parameter of memset call.
+
+1999-12-02  Ulrich Drepper  <drepper@cygnus.com>
+
+	* proc_service.h: Fix typos in last added declaractions.
+
+1999-12-01  Ulrich Drepper  <drepper@cygnus.com>
+
+	* proc_service.h: Add ps_pstop, ps_pcontinue, ps_lstop, and
+	ps_lcontinue prototypes.
+
+1999-11-23  Ulrich Drepper  <drepper@cygnus.com>
+
+	* Makefile: Correct dependency for shared object.
+
+1999-11-22  Ulrich Drepper  <drepper@cygnus.com>
+
+	* td_ta_map_lwp2thr.c: Add missing brace in comparison.
+
+	* thread_dbP.h (LOG): Only print message if __td_debug is nonzero.
+	* td_init.c: Add __td_debug.
+
+1999-11-12  Ulrich Drepper  <drepper@cygnus.com>
+
+	* td_ta_thr_iter.c: Start copying list of descriptors from right
+	position in target process.
+
+	* td_ta_thr_iter.c: Fix loop starting point over all but main and
+	manager thread.
+
+	* td_ta_thr_iter.c: Read descriptors for main and manager thread
+	special since after this we can assume that no new threads will be
+	created anymore (at least in the gdb implementation).
+
+	* Makefile: Define version correctly.
+
+1999-11-10  Ulrich Drepper  <drepper@cygnus.com>
+
+	* td_ta_map_lwp2thr.c: If p_pid field is zero, this is before the
+	thread library is initialized and we get the PID from the
+	debugger.
+
+1999-11-08  Ulrich Drepper  <drepper@cygnus.com>
+
+	* td_thr_get_info.c: Make sure ti_lid is never zero.
+
+	* proc_service.h: Add ps_getpid prototype.
+
+1999-11-03  Ulrich Drepper  <drepper@cygnus.com>
+
+	* thread_dbP.h (ta_ok): New function.
+	* td_ta_new.c: Add new handle to list.
+	* td_ta_delete.c: Remove handle from list.
+	* td_ta_clear_event.c: Use ta_ok to check for correct ta parameter.
+	* td_ta_enable_stats.c: Likewise.
+	* td_ta_event_addr.c: Likewise.
+	* td_ta_event_getmsg.c: Likewise.
+	* td_ta_get_nthreads.c: Likewise.
+	* td_ta_get_ph.c: Likewise.
+	* td_ta_get_stats.c: Likewise.
+	* td_ta_map_id2thr.c: Likewise.
+	* td_ta_map_lwp2thr.c: Likewise.
+	* td_ta_reset_stats.c: Likewise.
+	* td_ta_set_event.c: Likewise.
+	* td_ta_setconcurrency.c: Likewise.
+	* td_ta_thr_iter.c: Likewise.
+
+	* td_ta_tsd_iter.c: Optimize memory retrieving.
+
+	* Versions: New file.
+
+	* td_thr_get_info.c (td_thr_get_info): Initialize ti_traceme.
+
+1999-11-02  Ulrich Drepper  <drepper@cygnus.com>
+
+	* td_ta_thr_iter.c (td_ta_thr_iter): Optimize a bit.  Read all
+	handles at once.
+
+	* thread_dbP.h (struct th_thragent): Add pthread_handle_num.
+	* td_ta_new.c: Initialize pthread_handle_num.
+	* td_ta_event_getmsg.c: If last event was already reported search
+	for another unreported event.
+
+	* td_thr_get_info.c (td_thr_get_info): Initialize ti_events.
+
+	* Makefile (libthread_db-routines): Add td_ta_set_event,
+	td_ta_event_getmsg, and td_ta_clear_event.
+	* td_ta_clear_event.c: New file.
+	* td_ta_event_getmsg.c: New file.
+	* td_ta_new.c: Get address of __pthread_last_event in target.
+	* td_ta_set_event.c: Don't overwrite old mask, set additional bits.
+	* td_thr_set_event.c: Likewise.
+	* td_thr_clear_event.c: Implement.
+	* thread_db.h: Declare td_ta_clear_event and td_ta_event_getmsg.
+	* thread_dbP.h (struct td_thragent): Add pthread_last_event.
+
+	* td_ta_new.c: Don't test for __pthread_threads_debug.  Get address
+	of __pthread_threads_events and fail if this is not possible.
+	* td_ta_event_addr.c: Implement.
+	* td_thr_event_enable.c: Implement.
+	* td_thr_event_getmsg.c: Implement.
+	* td_thr_set_event.c: Implement.
+	* td_ta_set_event.c: New file.
+	* thread_db.h (td_eventbuf_t): Define.
+	Declare td_ta_set_event.
+	* thread_dbP.h (struct td_thragent): Add pthread_threads_eventsp.
+
+	* td_thr_getfpregs.c: For terminated threads return empty structure.
+	* td_thr_getgregs.c: Likewise.
+	* td_thr_setfpregs.c: Likewise.
+	* td_thr_setgregs.c: Likewise.
+
+1999-11-01  Ulrich Drepper  <drepper@cygnus.com>
+
+	* thread_db.h: Shuffle types around to make things work for gdb.
+	* thread_dbP.h: Include proc_service.h before thread_db.h.
+
+	* thread_db.h: It's TD_NOLIBTHREAD, not TD_LIBTHREAD.
+	* td_ta_new.c: Likewise.
+
+1999-10-14  Ulrich Drepper  <drepper@cygnus.com>
+
+	* td_ta_new.c: p_startfct does not exist anymore.
+
+	* td_thr_get_info.c: Always initialize start function.
+
+	* td_ta_thr_iter.c: Don't return threads which exited (but are not
+	joined).
+
+	* td_thr_validate.c: Don't skip manager thread.
+
+1999-10-13  Ulrich Drepper  <drepper@cygnus.com>
+
+	* td_ta_thr_iter.c: Use size of descriptor from *TA.
+	Don't return manager thread before it's actually running.
+	Actually use state parameter to distingusih at least a few states.
+
+	* td_thr_get_info.c: Handle manager thread special.  Fill in ti_lid,
+	ti_state, and ti_startfunc fields.
+
+1999-10-12  Andreas Jaeger  <aj@suse.de>
+
+	* thread_dbP.h: Include <string.h> for strlen declaration.  Remove
+	__libc_write prototype since this is already declared in
+	linuxthreads/internals.h.
+
+1999-10-11  Ulrich Drepper  <drepper@cygnus.com>
+
+	* thread_db.h: Fix comment for ti_type.
+
+	* td_thr_get_info.c: Initialize ti_type field.
+
+	* td_ta_thr_iter.c: Also report the manager thread.
+
+1999-10-08  Andreas Jaeger  <aj@suse.de>
+
+	* thread_db.h: Fix typos in comments.
+
+	* td_ta_get_nthreads.c (td_ta_get_nthreads): Don't hardcode
+	libpthread library name, get it from <gnu/lib-names.h> instead.
+	* td_ta_new.c (td_ta_new): Likewise.
+
+1999-10-08  Ulrich Drepper  <drepper@cygnus.com>
+
+	* shlib-versions: New file.
+
+1999-10-07  Ulrich Drepper  <drepper@cygnus.com>
+
+	* Makefile: New file.
+	* proc_service.h: 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..53e46f7758
--- /dev/null
+++ b/linuxthreads_db/Makefile
@@ -0,0 +1,57 @@
+# Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+# This file is part of the GNU C Library.
+
+# The GNU C Library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+
+# The GNU C Library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+
+# You should have received a copy of the GNU Lesser General Public
+# License along with the GNU C Library; if not, write to the Free
+# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+# 02111-1307 USA.
+
+# Makefile for linuxthreads debug library subdirectory of GNU C Library.
+
+subdir		:= linuxthreads_db
+
+linuxthreads_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_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		    \
+			td_ta_set_event td_ta_event_getmsg		    \
+			td_ta_clear_event td_symbol_list \
+			td_thr_tlsbase td_thr_tls_get_addr
+
+libthread_db-inhibit-o = $(filter-out .os,$(object-suffixes))
+
+# The ps_* callback functions are not defined.
+libthread_db.so-no-z-defs = yes
+
+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/linuxthreads_db/Versions b/linuxthreads_db/Versions
new file mode 100644
index 0000000000..063493c676
--- /dev/null
+++ b/linuxthreads_db/Versions
@@ -0,0 +1,24 @@
+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;
+  }
+  GLIBC_2.3.3 {
+    td_thr_tlsbase;
+  }
+}
diff --git a/linuxthreads_db/proc_service.h b/linuxthreads_db/proc_service.h
new file mode 100644
index 0000000000..74136c03e1
--- /dev/null
+++ b/linuxthreads_db/proc_service.h
@@ -0,0 +1,70 @@
+/* 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 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);
diff --git a/linuxthreads_db/shlib-versions b/linuxthreads_db/shlib-versions
new file mode 100644
index 0000000000..592f7fa284
--- /dev/null
+++ b/linuxthreads_db/shlib-versions
@@ -0,0 +1,2 @@
+# The thread debug library
+.*-.*-linux.*		libthread_db=1
diff --git a/linuxthreads_db/td_init.c b/linuxthreads_db/td_init.c
new file mode 100644
index 0000000000..d714f1ba03
--- /dev/null
+++ b/linuxthreads_db/td_init.c
@@ -0,0 +1,32 @@
+/* Initialization function of thread debugger support library.
+   Copyright (C) 1999, 2001 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 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/linuxthreads_db/td_log.c b/linuxthreads_db/td_log.c
new file mode 100644
index 0000000000..025273a634
--- /dev/null
+++ b/linuxthreads_db/td_log.c
@@ -0,0 +1,32 @@
+/* Noop, left for historical reasons.
+   Copyright (C) 1999, 2001 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 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/linuxthreads_db/td_symbol_list.c b/linuxthreads_db/td_symbol_list.c
new file mode 100644
index 0000000000..2f7b2bd4d0
--- /dev/null
+++ b/linuxthreads_db/td_symbol_list.c
@@ -0,0 +1,62 @@
+/* Return list of symbols the library can request.
+   Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.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"
+
+#ifdef HAVE_ASM_GLOBAL_DOT_NAME
+# define DOT "."		/* PPC64 requires . prefix on code symbols.  */
+#else
+# define DOT			/* No prefix.  */
+#endif
+
+static const char *symbol_list_arr[] =
+{
+  [PTHREAD_THREADS_EVENTS] = "__pthread_threads_events",
+  [PTHREAD_LAST_EVENT] = "__pthread_last_event",
+  [PTHREAD_HANDLES_NUM] = "__pthread_handles_num",
+  [PTHREAD_HANDLES] = "__pthread_handles",
+  [PTHREAD_KEYS] = "pthread_keys",
+  [LINUXTHREADS_PTHREAD_THREADS_MAX] = "__linuxthreads_pthread_threads_max",
+  [LINUXTHREADS_PTHREAD_KEYS_MAX] = "__linuxthreads_pthread_keys_max",
+  [LINUXTHREADS_PTHREAD_SIZEOF_DESCR] = "__linuxthreads_pthread_sizeof_descr",
+  [LINUXTHREADS_CREATE_EVENT] = DOT "__linuxthreads_create_event",
+  [LINUXTHREADS_DEATH_EVENT] = DOT "__linuxthreads_death_event",
+  [LINUXTHREADS_REAP_EVENT] = DOT "__linuxthreads_reap_event",
+  [LINUXTHREADS_INITIAL_REPORT_EVENTS] = "__linuxthreads_initial_report_events",
+  [LINUXTHREADS_VERSION] = "__linuxthreads_version",
+  [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 < NUM_MESSAGES);
+  return ps_pglobal_lookup (ps, LIBPTHREAD_SO, symbol_list_arr[idx], sym_addr);
+}
diff --git a/linuxthreads_db/td_ta_clear_event.c b/linuxthreads_db/td_ta_clear_event.c
new file mode 100644
index 0000000000..bdbcf47aac
--- /dev/null
+++ b/linuxthreads_db/td_ta_clear_event.c
@@ -0,0 +1,53 @@
+/* Globally disable events.
+   Copyright (C) 1999, 2001 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 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;
+{
+  td_thr_events_t old_event;
+  int i;
+
+  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.  */
+  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.  */
+  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/linuxthreads_db/td_ta_delete.c b/linuxthreads_db/td_ta_delete.c
new file mode 100644
index 0000000000..0e6ec17d01
--- /dev/null
+++ b/linuxthreads_db/td_ta_delete.c
@@ -0,0 +1,58 @@
+/* Detach to target process.
+   Copyright (C) 1999, 2001 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 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.  */
+  if (ta == NULL || __td_agent_list == NULL)
+    return TD_BADTA;
+
+  /* Remove the handle from the list.  */
+  if (ta == __td_agent_list->ta)
+    /* It's the first element of the list.  */
+    __td_agent_list = __td_agent_list->next;
+  else
+    {
+      /* We have to search for it.  */
+      struct agent_list *runp = __td_agent_list;
+
+      while (runp->next != NULL && runp->next->ta != ta)
+	runp = runp->next;
+
+      if (runp->next == NULL)
+	/* It's not a valid decriptor since it is not in the list.  */
+	return TD_BADTA;
+
+      runp->next = runp->next->next;
+    }
+
+  /* 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..1d4c34a8d7
--- /dev/null
+++ b/linuxthreads_db/td_ta_enable_stats.c
@@ -0,0 +1,35 @@
+/* Enable collection of statistics for process.
+   Copyright (C) 1999, 2001 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 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/linuxthreads_db/td_ta_event_addr.c b/linuxthreads_db/td_ta_event_addr.c
new file mode 100644
index 0000000000..8bce35ae86
--- /dev/null
+++ b/linuxthreads_db/td_ta_event_addr.c
@@ -0,0 +1,73 @@
+/* Get event address.
+   Copyright (C) 1999, 2001 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 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 = LINUXTHREADS_CREATE_EVENT;
+      break;
+
+    case TD_DEATH:
+      idx = LINUXTHREADS_DEATH_EVENT;
+      break;
+
+    case TD_REAP:
+      idx = LINUXTHREADS_REAP_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/linuxthreads_db/td_ta_event_getmsg.c b/linuxthreads_db/td_ta_event_getmsg.c
new file mode 100644
index 0000000000..c3a4492a12
--- /dev/null
+++ b/linuxthreads_db/td_ta_event_getmsg.c
@@ -0,0 +1,129 @@
+/* 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@cygnus.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"
+#include <linuxthreads/internals.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.  */
+  static td_thrhandle_t th;
+  td_eventbuf_t event;
+  psaddr_t addr;
+
+  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.  */
+  if (ps_pdread (ta->ph, ta->pthread_last_event,
+		 &addr, sizeof (void *)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* If the pointer is NULL no event occurred.  */
+  if (addr == 0)
+    return TD_NOMSG;
+
+  /* Read the even structure from the target.  */
+  if (ps_pdread (ta->ph,
+		 ((char *) addr
+		  + offsetof (struct _pthread_descr_struct, p_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)
+    {
+      /* Oh well, this means the last event was already read.  So
+	 we have to look for any other event.  */
+      struct pthread_handle_struct handles[ta->pthread_threads_max];
+      int num;
+      int i;
+
+      /* Read the number of currently active threads.  */
+      if (ps_pdread (ta->ph, ta->pthread_handles_num, &num, sizeof (int))
+	  != PS_OK)
+	return TD_ERR;	/* XXX Other error value?  */
+
+      /* Now read the handles.  */
+      if (ps_pdread (ta->ph, ta->handles, handles,
+		     ta->pthread_threads_max * sizeof (handles[0])) != PS_OK)
+	return TD_ERR;	/* XXX Other error value?  */
+
+      for (i = 0; i < ta->pthread_threads_max && num > 0; ++i)
+	{
+	  if (handles[i].h_descr == NULL)
+	    /* No entry here.  */
+	    continue;
+
+	  /* First count this active thread.  */
+	  --num;
+
+	  if (handles[i].h_descr == addr)
+	    /* We already handled this.  */
+	    continue;
+
+	  /* Read the event data for this thread.  */
+	  if (ps_pdread (ta->ph,
+			 ((char *) handles[i].h_descr
+			  + offsetof (struct _pthread_descr_struct,
+				      p_eventbuf)),
+			 &event, sizeof (td_eventbuf_t)) != PS_OK)
+	    return TD_ERR;
+
+	  if (event.eventnum != TD_EVENT_NONE)
+	    {
+	      /* We found a thread with an unreported event.  */
+	      addr = handles[i].h_descr;
+	      break;
+	    }
+	}
+
+      /* If we haven't found any other event signal this to the user.  */
+      if (event.eventnum == TD_EVENT_NONE)
+	return TD_NOMSG;
+    }
+
+  /* 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;
+
+  /* And clear the event message in the target.  */
+  memset (&event, '\0', sizeof (td_eventbuf_t));
+  if (ps_pdwrite (ta->ph,
+		  ((char *) addr
+		   + offsetof (struct _pthread_descr_struct, p_eventbuf)),
+		  &event, sizeof (td_eventbuf_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_ta_get_nthreads.c b/linuxthreads_db/td_ta_get_nthreads.c
new file mode 100644
index 0000000000..839b56be59
--- /dev/null
+++ b/linuxthreads_db/td_ta_get_nthreads.c
@@ -0,0 +1,42 @@
+/* Get the number of threads in the process.
+   Copyright (C) 1999, 2001 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 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)
+{
+  psaddr_t addr;
+
+  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'.  */
+  if (td_lookup (ta->ph, 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..23d3285084
--- /dev/null
+++ b/linuxthreads_db/td_ta_get_ph.c
@@ -0,0 +1,36 @@
+/* Get external process handle.
+   Copyright (C) 1999, 2001 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 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/linuxthreads_db/td_ta_get_stats.c b/linuxthreads_db/td_ta_get_stats.c
new file mode 100644
index 0000000000..6bf2f53527
--- /dev/null
+++ b/linuxthreads_db/td_ta_get_stats.c
@@ -0,0 +1,35 @@
+/* Retrieve statistics for process.
+   Copyright (C) 1999, 2001 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 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/linuxthreads_db/td_ta_map_id2thr.c b/linuxthreads_db/td_ta_map_id2thr.c
new file mode 100644
index 0000000000..ddeb2d3c4a
--- /dev/null
+++ b/linuxthreads_db/td_ta_map_id2thr.c
@@ -0,0 +1,79 @@
+/* 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@cygnus.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 <linuxthreads/internals.h>
+
+
+td_err_e
+td_ta_map_id2thr (const td_thragent_t *ta, pthread_t pt, td_thrhandle_t *th)
+{
+  struct pthread_handle_struct phc;
+  struct _pthread_descr_struct pds;
+  int pthread_threads_max;
+
+  LOG ("td_ta_map_id2thr");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  /* Make the following expression a bit smaller.  */
+  pthread_threads_max = ta->pthread_threads_max;
+
+  /* We can compute the entry in the handle array we want.  */
+  if (ps_pdread (ta->ph, ta->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)
+    {
+      if (pt % pthread_threads_max == 0)
+	{
+	  /* The initial thread always exists but the thread library
+	     might not yet be initialized.  */
+	  th->th_ta_p = (td_thragent_t *) ta;
+	  th->th_unique = NULL;
+
+	  return TD_OK;
+	}
+
+      return TD_BADTH;
+    }
+
+  /* Next test: get the descriptor to see whether this is not an old
+     thread handle.  */
+  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_tid != pt)
+    return TD_BADTH;
+
+  if (pds.p_terminated != 0)
+    return TD_NOTHR;
+
+  /* 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..dd2fcbfe4e
--- /dev/null
+++ b/linuxthreads_db/td_ta_map_lwp2thr.c
@@ -0,0 +1,91 @@
+/* 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@cygnus.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 <linuxthreads/internals.h>
+
+
+td_err_e
+td_ta_map_lwp2thr (const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th)
+{
+  int pthread_threads_max = ta->pthread_threads_max;
+  size_t sizeof_descr = ta->sizeof_descr;
+  struct pthread_handle_struct phc[pthread_threads_max];
+  size_t cnt;
+#ifdef ALL_THREADS_STOPPED
+  int num;
+#else
+# define num 1
+#endif
+
+  LOG ("td_ta_map_lwp2thr");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  /* Read all the descriptors.  */
+  if (ps_pdread (ta->ph, ta->handles, phc,
+		 sizeof (struct pthread_handle_struct) * pthread_threads_max)
+      != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+#ifdef ALL_THREADS_STOPPED
+  /* Read the number of currently active threads.  */
+  if (ps_pdread (ta->ph, ta->pthread_handles_num, &num, sizeof (int)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+#endif
+
+  /* Get the entries one after the other and find out whether the ID
+     matches.  */
+  for (cnt = 0; cnt < pthread_threads_max && num > 0; ++cnt)
+    if (phc[cnt].h_descr != NULL)
+      {
+	struct _pthread_descr_struct pds;
+
+#ifdef ALL_THREADS_STOPPED
+	/* First count this active thread.  */
+	--num;
+#endif
+
+	if (ps_pdread (ta->ph, phc[cnt].h_descr, &pds, sizeof_descr) != PS_OK)
+	  return TD_ERR;	/* XXX Other error value?  */
+
+	if ((pds.p_pid ?: ps_getpid (ta->ph)) == lwpid)
+	  {
+	    /* Found it.  Now fill in the `td_thrhandle_t' object.  */
+	    th->th_ta_p = (td_thragent_t *) ta;
+	    th->th_unique = phc[cnt].h_descr;
+
+	    return TD_OK;
+	  }
+      }
+    else if (cnt == 0)
+      {
+	/* The initial thread always exists.  But it might not yet be
+	   initialized.  Construct a value.  */
+	th->th_ta_p = (td_thragent_t *) ta;
+	th->th_unique = NULL;
+
+	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..e93d8b4c50
--- /dev/null
+++ b/linuxthreads_db/td_ta_new.c
@@ -0,0 +1,150 @@
+/* Attach to target process.
+   Copyright (C) 1999, 2001, 2002, 2003 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 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.  */
+struct agent_list *__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)];
+  struct agent_list *elemp;
+
+  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, PTHREAD_THREADS_EVENTS, &addr) != PS_OK)
+    return TD_NOLIBTHREAD;
+
+  /* Check whether the versions match.  */
+  if (td_lookup (ps, LINUXTHREADS_VERSION, &versaddr) != PS_OK)
+    return TD_VERSION;
+  if (ps_pdread (ps, versaddr, versbuf, sizeof (versbuf)) != PS_OK)
+    return TD_ERR;
+
+  versbuf[sizeof (versbuf) - 1] = '\0';
+  if (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, PTHREAD_LAST_EVENT, &(*ta)->pthread_last_event) != PS_OK)
+    {
+    free_return:
+      free (*ta);
+      return TD_ERR;
+    }
+
+  /* Get the pointer to the variable containing the number of active
+     threads.  */
+  if (td_lookup (ps, PTHREAD_HANDLES_NUM, &(*ta)->pthread_handles_num)
+      != PS_OK)
+    goto free_return;
+
+  /* See whether the library contains the necessary symbols.  */
+  if (td_lookup (ps, PTHREAD_HANDLES, &addr) != PS_OK)
+    goto free_return;
+
+  (*ta)->handles = (struct pthread_handle_struct *) addr;
+
+
+  if (td_lookup (ps, 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 (td_lookup (ps, 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 (td_lookup (ps, 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 (td_lookup (ps, LINUXTHREADS_PTHREAD_SIZEOF_DESCR, &addr) != PS_OK)
+    (*ta)->sizeof_descr = sizeof (struct _pthread_descr_struct);
+  else
+    {
+      if (ps_pdread (ps, addr, &(*ta)->sizeof_descr, sizeof (int)) != PS_OK)
+	goto free_return;
+      /* Don't let bogons in the inferior make us mess ourselves.  */
+      if ((*ta)->sizeof_descr > sizeof (struct _pthread_descr_struct))
+	(*ta)->sizeof_descr = sizeof (struct _pthread_descr_struct);
+    }
+
+  /* Now add the new agent descriptor to the list.  */
+  elemp = (struct agent_list *) malloc (sizeof (struct agent_list));
+  if (elemp == NULL)
+    {
+      /* Argh, now that everything else worked...  */
+      free (*ta);
+      return TD_MALLOC;
+    }
+
+  /* We don't care for thread-safety here.  */
+  elemp->ta = *ta;
+  elemp->next = __td_agent_list;
+  __td_agent_list = elemp;
+
+  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..b3ddbd07b3
--- /dev/null
+++ b/linuxthreads_db/td_ta_reset_stats.c
@@ -0,0 +1,35 @@
+/* Reset statistics.
+   Copyright (C) 1999, 2001 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 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/linuxthreads_db/td_ta_set_event.c b/linuxthreads_db/td_ta_set_event.c
new file mode 100644
index 0000000000..73cf9f4051
--- /dev/null
+++ b/linuxthreads_db/td_ta_set_event.c
@@ -0,0 +1,53 @@
+/* Globally enable events.
+   Copyright (C) 1999, 2001 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 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;
+{
+  td_thr_events_t old_event;
+  int i;
+
+  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.  */
+  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.  */
+  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/linuxthreads_db/td_ta_setconcurrency.c b/linuxthreads_db/td_ta_setconcurrency.c
new file mode 100644
index 0000000000..408e763094
--- /dev/null
+++ b/linuxthreads_db/td_ta_setconcurrency.c
@@ -0,0 +1,35 @@
+/* Set suggested concurrency level for process.
+   Copyright (C) 1999, 2001 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 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 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/linuxthreads_db/td_ta_thr_iter.c b/linuxthreads_db/td_ta_thr_iter.c
new file mode 100644
index 0000000000..9ab04e14e3
--- /dev/null
+++ b/linuxthreads_db/td_ta_thr_iter.c
@@ -0,0 +1,176 @@
+/* Iterate over a process's threads.
+   Copyright (C) 1999,2000,2001,2002,2003 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 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 <linuxthreads/internals.h>
+#include <alloca.h>
+
+static int
+handle_descr (const td_thragent_t *ta, td_thr_iter_f *callback,
+	      void *cbdata_p, td_thr_state_e state, int ti_pri,
+	      size_t cnt, pthread_descr descr)
+{
+  struct _pthread_descr_struct pds;
+  size_t sizeof_descr = ta->sizeof_descr;
+  td_thrhandle_t th;
+
+  if (descr == NULL)
+    {
+      /* No descriptor (yet).  */
+      if (cnt == 0)
+	{
+	  /* This is the main thread.  Create a fake descriptor.  */
+	  memset (&pds, '\0', sizeof (pds));
+
+	  /* Empty thread descriptor the thread library would create.  */
+#if !defined USE_TLS || !TLS_DTV_AT_TP
+	  pds.p_header.data.self = &pds;
+#endif
+	  pds.p_nextlive = pds.p_prevlive = &pds;
+	  pds.p_tid = PTHREAD_THREADS_MAX;
+	  /* The init code also sets up p_lock, p_errnop, p_herrnop, and
+	     p_userstack but this should not be necessary here.  */
+
+	  th.th_ta_p = (td_thragent_t *) ta;
+	  th.th_unique = NULL;
+	  if (callback (&th, cbdata_p) != 0)
+	    return TD_DBERR;
+
+	  /* All done successfully.  */
+	  return TD_OK;
+	}
+      else if (cnt == 1)
+	/* The manager is not yet started.  No big deal.  */
+	return TD_OK;
+      else
+	/* For every other thread this should not happen.  */
+	return TD_ERR;
+    }
+
+  if (ps_pdread (ta->ph, descr, &pds, sizeof_descr) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* The manager thread must be handled special.  The descriptor
+     exists but the thread only gets created when the first
+     `pthread_create' call is issued.  A clear indication that this
+     happened is when the p_pid field is non-zero.  */
+  if (cnt == 1 && pds.p_pid == 0)
+    return TD_OK;
+
+  /* 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)
+    return TD_OK;
+
+  /* Test the state.
+     XXX This is incomplete.  */
+  if (state != TD_THR_ANY_STATE)
+    return TD_OK;
+
+  /* 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.  */
+  if (pds.p_exited != 0)
+    return TD_OK;
+
+  /* Yep, it matches.  Call the callback function.  */
+  th.th_ta_p = (td_thragent_t *) ta;
+  th.th_unique = descr;
+  if (callback (&th, cbdata_p) != 0)
+    return TD_DBERR;
+
+  /* All done successfully.  */
+  return TD_OK;
+}
+
+
+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)
+{
+  int pthread_threads_max;
+  struct pthread_handle_struct *phc;
+  td_err_e result = TD_OK;
+  int cnt;
+#ifdef ALL_THREADS_STOPPED
+  int num;
+#else
+# define num 1
+#endif
+
+  LOG ("td_ta_thr_iter");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  pthread_threads_max = ta->pthread_threads_max;
+  phc = (struct pthread_handle_struct *) alloca (sizeof (phc[0])
+						 * pthread_threads_max);
+
+  /* First read only the main thread and manager thread information.  */
+  if (ps_pdread (ta->ph, ta->handles, phc,
+		 sizeof (struct pthread_handle_struct) * 2) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Now handle these descriptors.  */
+  result = handle_descr (ta, callback, cbdata_p, state, ti_pri, 0,
+			 phc[0].h_descr);
+  if (result != TD_OK)
+    return result;
+  result = handle_descr (ta, callback, cbdata_p, state, ti_pri, 1,
+			 phc[1].h_descr);
+  if (result != TD_OK)
+    return result;
+
+  /* Read all the descriptors.  */
+  if (ps_pdread (ta->ph, ta->handles + 2, &phc[2],
+		 (sizeof (struct pthread_handle_struct)
+		  * (pthread_threads_max - 2))) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+#ifdef ALL_THREADS_STOPPED
+  /* Read the number of currently active threads.  */
+  if (ps_pdread (ta->ph, ta->pthread_handles_num, &num, sizeof (int)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+#endif
+
+  /* Now get all descriptors, one after the other.  */
+  for (cnt = 2; cnt < pthread_threads_max && num > 0; ++cnt)
+    if (phc[cnt].h_descr != NULL)
+      {
+#ifdef ALL_THREADS_STOPPED
+	/* First count this active thread.  */
+	--num;
+#endif
+
+	result = handle_descr (ta, callback, cbdata_p, state, ti_pri, cnt,
+			       phc[cnt].h_descr);
+	if (result != TD_OK)
+	  break;
+      }
+
+  return result;
+}
diff --git a/linuxthreads_db/td_ta_tsd_iter.c b/linuxthreads_db/td_ta_tsd_iter.c
new file mode 100644
index 0000000000..2eb41f6a15
--- /dev/null
+++ b/linuxthreads_db/td_ta_tsd_iter.c
@@ -0,0 +1,56 @@
+/* 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@cygnus.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 <linuxthreads/internals.h>
+#include <alloca.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;
+  int pthread_keys_max;
+  int cnt;
+
+  LOG ("td_ta_tsd_iter");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  pthread_keys_max = ta->pthread_keys_max;
+  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.  */
+  for (cnt = 0; cnt < pthread_keys_max; ++cnt)
+    if (keys[cnt].in_use
+	/* 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/linuxthreads_db/td_thr_clear_event.c b/linuxthreads_db/td_thr_clear_event.c
new file mode 100644
index 0000000000..c027fc09fd
--- /dev/null
+++ b/linuxthreads_db/td_thr_clear_event.c
@@ -0,0 +1,62 @@
+/* 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@cygnus.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;
+{
+  td_thr_events_t old_event;
+  int i;
+
+  LOG ("td_thr_clear_event");
+
+  /* If the thread descriptor has not yet been constructed do not do
+     anything.  */
+  if (th->th_unique == NULL)
+    return TD_OK;
+
+  /* Write the new value into the thread data structure.  */
+  if (ps_pdread (th->th_ta_p->ph,
+		 ((char *) th->th_unique
+		  + offsetof (struct _pthread_descr_struct,
+			      p_eventbuf.eventmask)),
+		 &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Remove the set bits in.  */
+  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_descr_struct,
+			       p_eventbuf.eventmask)),
+		  &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_thr_dbresume.c b/linuxthreads_db/td_thr_dbresume.c
new file mode 100644
index 0000000000..7b7f6eef9f
--- /dev/null
+++ b/linuxthreads_db/td_thr_dbresume.c
@@ -0,0 +1,30 @@
+/* Resume execution of given thread.
+   Copyright (C) 1999, 2001 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 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/linuxthreads_db/td_thr_dbsuspend.c b/linuxthreads_db/td_thr_dbsuspend.c
new file mode 100644
index 0000000000..ef668023de
--- /dev/null
+++ b/linuxthreads_db/td_thr_dbsuspend.c
@@ -0,0 +1,30 @@
+/* Suspend execution of given thread.
+   Copyright (C) 1999, 2001 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 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/linuxthreads_db/td_thr_event_enable.c b/linuxthreads_db/td_thr_event_enable.c
new file mode 100644
index 0000000000..407f3fc44a
--- /dev/null
+++ b/linuxthreads_db/td_thr_event_enable.c
@@ -0,0 +1,57 @@
+/* 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@cygnus.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 (th->th_unique == NULL)
+    {
+      psaddr_t addr;
+
+      if (td_lookup (th->th_ta_p->ph, LINUXTHREADS_INITIAL_REPORT_EVENTS,
+		     &addr) != PS_OK)
+	/* Cannot read the symbol.  This should not happen.  */
+	return TD_ERR;
+
+      if (ps_pdwrite (th->th_ta_p->ph, addr, &onoff, sizeof (int)) != PS_OK)
+	return TD_ERR;
+
+      return TD_OK;
+    }
+
+  if (ps_pdwrite (th->th_ta_p->ph,
+		  ((char *) th->th_unique
+		   + offsetof (struct _pthread_descr_struct,
+			       p_report_events)),
+		  &onoff, sizeof (int)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_thr_event_getmsg.c b/linuxthreads_db/td_thr_event_getmsg.c
new file mode 100644
index 0000000000..bf4ddd4ade
--- /dev/null
+++ b/linuxthreads_db/td_thr_event_getmsg.c
@@ -0,0 +1,65 @@
+/* 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@cygnus.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");
+
+  /* If the thread descriptor has not yet been created there cannot be
+     any event.  */
+  if (th->th_unique == NULL)
+    return TD_NOMSG;
+
+  /* Read the even structure from the target.  */
+  if (ps_pdread (th->th_ta_p->ph,
+		 ((char *) th->th_unique
+		  + offsetof (struct _pthread_descr_struct, p_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_descr_struct, p_eventbuf)),
+		  &event, sizeof (td_eventbuf_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_thr_get_info.c b/linuxthreads_db/td_thr_get_info.c
new file mode 100644
index 0000000000..4666bda976
--- /dev/null
+++ b/linuxthreads_db/td_thr_get_info.c
@@ -0,0 +1,83 @@
+/* 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@cygnus.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)
+{
+  struct _pthread_descr_struct pds;
+
+  LOG ("td_thr_get_info");
+
+  /* Handle the case when the thread library is not yet initialized.  */
+  if (th->th_unique == NULL)
+    {
+      memset (&pds, '\0', sizeof (pds));
+      pds.p_tid = PTHREAD_THREADS_MAX;
+    }
+  else
+    /* 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));
+
+  /* We have to handle the manager thread special since the thread
+     descriptor in older versions is not fully initialized.  */
+  if (pds.p_nr == 1)
+    {
+      infop->ti_tid = th->th_ta_p->pthread_threads_max * 2 + 1;
+      infop->ti_type = TD_THR_SYSTEM;
+      infop->ti_state = TD_THR_ACTIVE;
+    }
+  else
+    {
+      infop->ti_tid = pds.p_tid;
+      infop->ti_tls = (char *) pds.p_specific;
+      infop->ti_pri = pds.p_priority;
+      infop->ti_type = TD_THR_USER;
+
+      if (! pds.p_terminated)
+	/* XXX For now there is no way to get more information.  */
+	infop->ti_state = TD_THR_ACTIVE;
+      else if (! pds.p_detached)
+	infop->ti_state = TD_THR_ZOMBIE;
+      else
+	infop->ti_state = TD_THR_UNKNOWN;
+    }
+
+  /* Initialization which are the same in both cases.  */
+  infop->ti_lid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);
+  infop->ti_ta_p = th->th_ta_p;
+  infop->ti_startfunc = pds.p_start_args.start_routine;
+  memcpy (&infop->ti_events, &pds.p_eventbuf.eventmask,
+	  sizeof (td_thr_events_t));
+  infop->ti_traceme = pds.p_report_events != 0;
+
+  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..31c55c8765
--- /dev/null
+++ b/linuxthreads_db/td_thr_getfpregs.c
@@ -0,0 +1,58 @@
+/* Get a thread's floating-point register set.
+   Copyright (C) 1999, 2001, 2003 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 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)
+{
+  struct _pthread_descr_struct pds;
+
+  LOG ("td_thr_getfpregs");
+
+  if (th->th_unique == NULL)
+    {
+      /* No data yet.  Use the main thread.  */
+      pid_t pid = ps_getpid (th->th_ta_p->ph);
+      if (ps_lgetfpregs (th->th_ta_p->ph, pid, regset) != PS_OK)
+	return TD_ERR;
+      return TD_OK;
+    }
+
+  /* We have to get the state and 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 the thread already terminated we return all zeroes.  */
+  if (pds.p_terminated)
+    memset (regset, '\0', sizeof (*regset));
+  /* Otherwise get the register content through the callback.  */
+  else
+    {
+      pid_t pid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);
+
+      if (ps_lgetfpregs (th->th_ta_p->ph, 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..a9ec6a37da
--- /dev/null
+++ b/linuxthreads_db/td_thr_getgregs.c
@@ -0,0 +1,58 @@
+/* Get a thread's general register set.
+   Copyright (C) 1999, 2000, 2001, 2003 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 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)
+{
+  struct _pthread_descr_struct pds;
+
+  LOG ("td_thr_getgregs");
+
+  if (th->th_unique == NULL)
+    {
+      /* No data yet.  Use the main thread.  */
+      pid_t pid = ps_getpid (th->th_ta_p->ph);
+      if (ps_lgetregs (th->th_ta_p->ph, pid, gregs) != PS_OK)
+	return TD_ERR;
+      return TD_OK;
+    }
+
+  /* We have to get the state and 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 the thread already terminated we return all zeroes.  */
+  if (pds.p_terminated)
+    memset (gregs, '\0', sizeof (prgregset_t));
+  /* Otherwise get the register content through the callback.  */
+  else
+    {
+      pid_t pid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);
+
+      if (ps_lgetregs (th->th_ta_p->ph, 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..39cd73cf1d
--- /dev/null
+++ b/linuxthreads_db/td_thr_getxregs.c
@@ -0,0 +1,30 @@
+/* Get a thread's extra state register set.
+   Copyright (C) 1999, 2001 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 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/linuxthreads_db/td_thr_getxregsize.c b/linuxthreads_db/td_thr_getxregsize.c
new file mode 100644
index 0000000000..5d8ac288e4
--- /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, 2001 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 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/linuxthreads_db/td_thr_set_event.c b/linuxthreads_db/td_thr_set_event.c
new file mode 100644
index 0000000000..205b445c79
--- /dev/null
+++ b/linuxthreads_db/td_thr_set_event.c
@@ -0,0 +1,62 @@
+/* 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@cygnus.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;
+{
+  td_thr_events_t old_event;
+  int i;
+
+  LOG ("td_thr_set_event");
+
+  /* What shall we do if no thread descriptor exists but the user
+     wants to set an event?  */
+  if (th->th_unique == NULL)
+    return TD_NOTALLOC;
+
+  /* Write the new value into the thread data structure.  */
+  if (ps_pdread (th->th_ta_p->ph,
+		 ((char *) th->th_unique
+		  + offsetof (struct _pthread_descr_struct,
+			      p_eventbuf.eventmask)),
+		 &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  /* Or the new bits in.  */
+  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_descr_struct,
+			       p_eventbuf.eventmask)),
+		  &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+    return TD_ERR;	/* XXX Other error value?  */
+
+  return TD_OK;
+}
diff --git a/linuxthreads_db/td_thr_setfpregs.c b/linuxthreads_db/td_thr_setfpregs.c
new file mode 100644
index 0000000000..e4d9ec65e7
--- /dev/null
+++ b/linuxthreads_db/td_thr_setfpregs.c
@@ -0,0 +1,47 @@
+/* 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@cygnus.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)
+{
+  struct _pthread_descr_struct pds = { .p_terminated = 0, .p_pid = 0 };
+
+  LOG ("td_thr_setfpregs");
+
+  /* We have to get the state and the PID for this thread.  */
+  if (th->th_unique != NULL
+      && ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+                 sizeof (struct _pthread_descr_struct)) != PS_OK)
+    return TD_ERR;
+
+  /* Only set the registers if the thread hasn't yet terminated.  */
+  if (pds.p_terminated == 0)
+    {
+      pid_t pid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);
+
+      if (ps_lsetfpregs (th->th_ta_p->ph, 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..8c021a4738
--- /dev/null
+++ b/linuxthreads_db/td_thr_setgregs.c
@@ -0,0 +1,47 @@
+/* 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@cygnus.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)
+{
+  struct _pthread_descr_struct pds = { .p_terminated = 0, .p_pid = 0 };
+
+  LOG ("td_thr_setgregs");
+
+  /* We have to get the state and the PID for this thread.  */
+  if (th->th_unique != NULL
+      && ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+                 sizeof (struct _pthread_descr_struct)) != PS_OK)
+    return TD_ERR;
+
+  /* Only set the registers if the thread hasn't yet terminated.  */
+  if (pds.p_terminated == 0)
+    {
+      pid_t pid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);
+
+      if (ps_lsetregs (th->th_ta_p->ph, 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..98d202dfe0
--- /dev/null
+++ b/linuxthreads_db/td_thr_setprio.c
@@ -0,0 +1,30 @@
+/* Set a thread's priority.
+   Copyright (C) 1999, 2001 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 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/linuxthreads_db/td_thr_setsigpending.c b/linuxthreads_db/td_thr_setsigpending.c
new file mode 100644
index 0000000000..98e30140eb
--- /dev/null
+++ b/linuxthreads_db/td_thr_setsigpending.c
@@ -0,0 +1,31 @@
+/* Raise a signal for a thread.
+   Copyright (C) 1999, 2001 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 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/linuxthreads_db/td_thr_setxregs.c b/linuxthreads_db/td_thr_setxregs.c
new file mode 100644
index 0000000000..da77ab3b43
--- /dev/null
+++ b/linuxthreads_db/td_thr_setxregs.c
@@ -0,0 +1,30 @@
+/* Set a thread's extra state register set.
+   Copyright (C) 1999, 2001 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 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/linuxthreads_db/td_thr_sigsetmask.c b/linuxthreads_db/td_thr_sigsetmask.c
new file mode 100644
index 0000000000..8b0eb81859
--- /dev/null
+++ b/linuxthreads_db/td_thr_sigsetmask.c
@@ -0,0 +1,30 @@
+/* Set a thread's signal mask.
+   Copyright (C) 1999, 2001 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 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/linuxthreads_db/td_thr_tls_get_addr.c b/linuxthreads_db/td_thr_tls_get_addr.c
new file mode 100644
index 0000000000..c900cac8e0
--- /dev/null
+++ b/linuxthreads_db/td_thr_tls_get_addr.c
@@ -0,0 +1,45 @@
+/* Get address of thread local variable.
+   Copyright (C) 2002,2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.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"
+
+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
+  /* Read the module ID from the link_map.  */
+  size_t modid;
+  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?  */
+
+  td_err_e result = td_thr_tlsbase (th, modid, address);
+  if (result == TD_OK)
+    *address += offset;
+  return result;
+#else
+  return TD_ERR;
+#endif
+}
diff --git a/linuxthreads_db/td_thr_tlsbase.c b/linuxthreads_db/td_thr_tlsbase.c
new file mode 100644
index 0000000000..081e8d0e70
--- /dev/null
+++ b/linuxthreads_db/td_thr_tlsbase.c
@@ -0,0 +1,71 @@
+/* Locate TLS data for a thread.
+   Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#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_tlsbase (const td_thrhandle_t *th,
+		unsigned long int modid,
+		psaddr_t *base)
+{
+  if (modid < 1)
+    return TD_NOTLS;
+
+#if USE_TLS
+  union dtv pdtv, *dtvp;
+
+  LOG ("td_thr_tlsbase");
+
+  psaddr_t dtvpp = th->th_unique;
+#if TLS_TCB_AT_TP
+  dtvpp += offsetof (struct _pthread_descr_struct, p_header.data.dtvp);
+#elif TLS_DTV_AT_TP
+/* Special case hack.  If TLS_TCB_SIZE == 0 (on PowerPC), there is no TCB
+   containing the DTV at the TP, but actually the TCB lies behind the TP,
+   i.e. at the very end of the area covered by TLS_PRE_TCB_SIZE.  */
+  dtvpp += TLS_PRE_TCB_SIZE + offsetof (tcbhead_t, dtv)
+	   - (TLS_TCB_SIZE == 0 ? sizeof (tcbhead_t) : 0);
+#else
+# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined."
+#endif
+
+  /* Get the DTV pointer from the thread descriptor.  */
+  if (ps_pdread (th->th_ta_p->ph, dtvpp, &dtvp, sizeof dtvp) != 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)
+    return TD_TLSDEFER;
+
+  *base = (char *) pdtv.pointer;
+
+  return TD_OK;
+#else
+  return TD_ERR;
+#endif
+}
diff --git a/linuxthreads_db/td_thr_tsd.c b/linuxthreads_db/td_thr_tsd.c
new file mode 100644
index 0000000000..978dc5e524
--- /dev/null
+++ b/linuxthreads_db/td_thr_tsd.c
@@ -0,0 +1,82 @@
+/* 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@cygnus.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 <linuxthreads/internals.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 ("td_thr_tsd");
+
+  /* If there is no thread descriptor there cannot be any thread
+     specific data.  */
+  if (th->th_unique == NULL)
+    return TD_BADKEY;
+
+  /* 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[tk], &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..6f893d3f7f
--- /dev/null
+++ b/linuxthreads_db/td_thr_validate.c
@@ -0,0 +1,70 @@
+/* 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@cygnus.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 <linuxthreads/internals.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;
+  struct pthread_handle_struct phc;
+
+  LOG ("td_thr_validate");
+
+  /* A special case: if the program just starts up the handle is
+     NULL.  */
+  if (th->th_unique == NULL)
+    {
+      /* Read the first handle.  If the pointer to the thread
+	 descriptor is not NULL this is an error.  */
+      if (ps_pdread (th->th_ta_p->ph, handles, &phc,
+		     sizeof (struct pthread_handle_struct)) != PS_OK)
+	return TD_ERR;	/* XXX Other error value?  */
+
+      return phc.h_descr == NULL ? TD_OK : TD_NOTHR;
+    }
+
+  /* Now get all descriptors, one after the other.  */
+  for (cnt = 0; cnt < pthread_threads_max; ++cnt, ++handles)
+    {
+      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)
+	{
+	  struct _pthread_descr_struct pds;
+
+	  if (ps_pdread (th->th_ta_p->ph, phc.h_descr, &pds,
+			 th->th_ta_p->sizeof_descr) != PS_OK)
+	    return TD_ERR;	/* XXX Other error value?  */
+
+	  /* XXX There should be another test using the TID but this is
+	     currently not available.  */
+	  return pds.p_terminated != 0 ? TD_NOTHR : 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..c115399a32
--- /dev/null
+++ b/linuxthreads_db/thread_db.h
@@ -0,0 +1,459 @@
+/* thread_db.h -- interface to libthread_db.so library for debugging -lpthread
+   Copyright (C) 1999,2001,2002,2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _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/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_TLSDEFER,	  /* Thread has not yet allocated TLS for given module.  */
+  TD_NOTALLOC = TD_TLSDEFER,
+  TD_VERSION,	  /* Version if libpthread and libthread_db do not match.  */
+  TD_NOTLS	  /* There is TLS segment in the given module.  */
+} 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 the given module's TLS storage area for the given thread.  */
+extern td_err_e td_thr_tlsbase (const td_thrhandle_t *__th,
+				unsigned long int __modid,
+				psaddr_t *__base);
+
+/* 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/linuxthreads_db/thread_dbP.h b/linuxthreads_db/thread_dbP.h
new file mode 100644
index 0000000000..63b408afc1
--- /dev/null
+++ b/linuxthreads_db/thread_dbP.h
@@ -0,0 +1,108 @@
+/* Private header for thread debug library.  */
+#ifndef _THREAD_DBP_H
+#define _THREAD_DBP_H	1
+
+#include <string.h>
+#include <unistd.h>
+#include "proc_service.h"
+#include "thread_db.h"
+#include "../linuxthreads/descr.h"
+
+
+/* Indeces for the symbol names.  */
+enum
+  {
+    PTHREAD_THREADS_EVENTS = 0,
+    PTHREAD_LAST_EVENT,
+    PTHREAD_HANDLES_NUM,
+    PTHREAD_HANDLES,
+    PTHREAD_KEYS,
+    LINUXTHREADS_PTHREAD_THREADS_MAX,
+    LINUXTHREADS_PTHREAD_KEYS_MAX,
+    LINUXTHREADS_PTHREAD_SIZEOF_DESCR,
+    LINUXTHREADS_CREATE_EVENT,
+    LINUXTHREADS_DEATH_EVENT,
+    LINUXTHREADS_REAP_EVENT,
+    LINUXTHREADS_INITIAL_REPORT_EVENTS,
+    LINUXTHREADS_VERSION,
+    NUM_MESSAGES
+  };
+
+
+/* Comment out the following for less verbose output.  */
+#ifndef NDEBUG
+# define LOG(c) if (__td_debug) 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.  */
+
+  /* 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;
+
+  /* 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;
+
+  /* Pointer to the `__pthread_handles_num' variable.  */
+  psaddr_t pthread_handles_num;
+};
+
+
+/* Type used internally to keep track of thread agent descriptors.  */
+struct agent_list
+{
+  td_thragent_t *ta;
+  struct agent_list *next;
+};
+
+/* List of all known descriptors.  */
+extern struct agent_list *__td_agent_list;
+
+/* Function used to test for correct thread agent pointer.  */
+static inline int
+ta_ok (const td_thragent_t *ta)
+{
+  struct agent_list *runp = __td_agent_list;
+
+  if (ta == NULL)
+    return 0;
+
+  while (runp != NULL && runp->ta != ta)
+    runp = runp->next;
+
+  return runp != NULL;
+}
+
+
+/* Internal wrapper around ps_pglobal_lookup.  */
+extern int td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr);
+
+#endif /* thread_dbP.h */