0597618676
* sysdeps/x86_64/td_ta_map_lwp2thr.c (td_ta_map_lwp2thr): Pass FS constant from <sys/reg.h> to ps_get_thread_area, not register contents.
44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/* Which thread is running on an LWP? x86-64 version.
|
|
Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include "thread_dbP.h"
|
|
#include <tls.h>
|
|
#include <sys/reg.h>
|
|
|
|
|
|
td_err_e
|
|
td_ta_map_lwp2thr (const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th)
|
|
{
|
|
LOG ("td_ta_map_lwp2thr");
|
|
|
|
/* Test whether the TA parameter is ok. */
|
|
if (! ta_ok (ta))
|
|
return TD_BADTA;
|
|
|
|
/* Get the %fs segment register base address for the addressed thread. */
|
|
if (ps_get_thread_area (ta->ph, lwpid, FS, &th->th_unique) != PS_OK)
|
|
return TD_ERR; /* XXX Other error value? */
|
|
|
|
/* Found it. Now complete the `td_thrhandle_t' object. */
|
|
th->th_ta_p = (td_thragent_t *) ta;
|
|
|
|
return TD_OK;
|
|
}
|