2 files changed, 5 insertions, 44 deletions
diff --git a/nptl/sysdeps/sparc/td_ta_map_lwp2thr.c b/nptl/sysdeps/sparc/td_ta_map_lwp2thr.c
deleted file mode 100644
index f120b96e73..0000000000
--- a/nptl/sysdeps/sparc/td_ta_map_lwp2thr.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/* Which thread is running on an LWP?  SPARC version.
-   Copyright (C) 2003 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#include "thread_dbP.h"
-#include <tls.h>
-
-
-td_err_e
-td_ta_map_lwp2thr (const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th)
-{
-  LOG ("td_ta_map_lwp2thr");
-
-  /* Test whether the TA parameter is ok.  */
-  if (! ta_ok (ta))
-    return TD_BADTA;
-
-  prgregset_t regs;
-  if (ps_lgetregs (ta->ph, lwpid, regs) != PS_OK)
-    return TD_ERR;
-
-  /* SPARC thread register is %g7.  */
-  th->th_unique = (void *) regs[7];
-
-  /* Found it.  Now complete the `td_thrhandle_t' object.  */
-  th->th_ta_p = (td_thragent_t *) ta;
-
-  return TD_OK;
-}
diff --git a/nptl/sysdeps/sparc/tls.h b/nptl/sysdeps/sparc/tls.h
index 87255941c1..8c4264f24f 100644
--- a/nptl/sysdeps/sparc/tls.h
+++ b/nptl/sysdeps/sparc/tls.h
@@ -104,6 +104,11 @@ register struct pthread *__thread_self __asm__("%g7");
 /* Return the thread descriptor for the current thread.  */
 #define THREAD_SELF  __thread_self
 
+/* Magic for libthread_db to know how to do THREAD_SELF.  */
+# define DB_THREAD_SELF_INCLUDE <sys/ucontext.h>
+# define DB_THREAD_SELF \
+  REGISTER (32, REG_G7 * 4, 0) REGISTER (64, REG_G7 * 8, 0)
+
 /* Access to data in the thread descriptor is easy.  */
 #define THREAD_GETMEM(descr, member) \
   descr->member