mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-30 10:45:40 +03:00
59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
/* Get a thread's general register set.
|
|
Copyright (C) 1999, 2000, 2001, 2002, 2003, 2007 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"
|
|
|
|
|
|
td_err_e
|
|
td_thr_getgregs (const td_thrhandle_t *th, prgregset_t regset)
|
|
{
|
|
psaddr_t cancelhandling, tid;
|
|
td_err_e err;
|
|
|
|
LOG ("td_thr_getgregs");
|
|
|
|
if (th->th_unique == 0)
|
|
/* Special case for the main thread before initialization. */
|
|
return ps_lgetregs (th->th_ta_p->ph, ps_getpid (th->th_ta_p->ph),
|
|
regset) != PS_OK ? TD_ERR : TD_OK;
|
|
|
|
/* We have to get the state and the PID for this thread. */
|
|
err = DB_GET_FIELD (cancelhandling, th->th_ta_p, th->th_unique, pthread,
|
|
cancelhandling, 0);
|
|
if (err != TD_OK)
|
|
return err;
|
|
|
|
/* If the thread already terminated we return all zeroes. */
|
|
if (((int) (uintptr_t) cancelhandling) & TERMINATED_BITMASK)
|
|
memset (regset, '\0', sizeof (*regset));
|
|
/* Otherwise get the register content through the callback. */
|
|
else
|
|
{
|
|
err = DB_GET_FIELD (tid, th->th_ta_p, th->th_unique, pthread, tid, 0);
|
|
if (err != TD_OK)
|
|
return err;
|
|
|
|
if (ps_lgetregs (th->th_ta_p->ph, (uintptr_t) tid, regset) != PS_OK)
|
|
return TD_ERR;
|
|
}
|
|
|
|
return TD_OK;
|
|
}
|