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- /* Get a thread's floating-point register set.
- Copyright (C) 1999, 2001, 2003 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, see
- <http://www.gnu.org/licenses/>. */
- #include "thread_dbP.h"
- td_err_e
- td_thr_getfpregs (const td_thrhandle_t *th, prfpregset_t *regset)
- {
- struct _pthread_descr_struct pds;
- LOG ("td_thr_getfpregs");
- if (th->th_unique == NULL)
- {
- /* No data yet. Use the main thread. */
- pid_t pid = ps_getpid (th->th_ta_p->ph);
- if (ps_lgetfpregs (th->th_ta_p->ph, pid, regset) != PS_OK)
- return TD_ERR;
- 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 (regset, '\0', sizeof (*regset));
- /* Otherwise get the register content through the callback. */
- else
- {
- pid_t pid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);
- if (ps_lgetfpregs (th->th_ta_p->ph, pid, regset) != PS_OK)
- return TD_ERR;
- }
- return TD_OK;
- }
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