diff options
Diffstat (limited to 'libpthread/nptl_db/td_thr_getgregs.c')
| -rw-r--r-- | libpthread/nptl_db/td_thr_getgregs.c | 53 | 
1 files changed, 53 insertions, 0 deletions
| diff --git a/libpthread/nptl_db/td_thr_getgregs.c b/libpthread/nptl_db/td_thr_getgregs.c new file mode 100644 index 000000000..4c2373ef6 --- /dev/null +++ b/libpthread/nptl_db/td_thr_getgregs.c @@ -0,0 +1,53 @@ +/* Get a thread's general register set. +   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@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"); + +  /* 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; +} | 
