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/* Get a thread's general register set.
Copyright (C) 1999, 2000, 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_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. */
memset (gregs, '\0', sizeof (prgregset_t));
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;
}
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