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59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/* Get a thread's floating-point register set.
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Copyright (C) 1999, 2001, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include "thread_dbP.h"
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td_err_e
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td_thr_getfpregs (const td_thrhandle_t *th, prfpregset_t *regset)
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{
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struct _pthread_descr_struct pds;
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LOG ("td_thr_getfpregs");
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if (th->th_unique == NULL)
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{
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/* No data yet. Use the main thread. */
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pid_t pid = ps_getpid (th->th_ta_p->ph);
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if (ps_lgetfpregs (th->th_ta_p->ph, pid, regset) != PS_OK)
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return TD_ERR;
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return TD_OK;
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}
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/* We have to get the state and the PID for this thread. */
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if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
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sizeof (struct _pthread_descr_struct)) != PS_OK)
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return TD_ERR;
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/* If the thread already terminated we return all zeroes. */
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if (pds.p_terminated)
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memset (regset, '\0', sizeof (*regset));
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/* Otherwise get the register content through the callback. */
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else
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{
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pid_t pid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);
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if (ps_lgetfpregs (th->th_ta_p->ph, pid, regset) != PS_OK)
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return TD_ERR;
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}
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return TD_OK;
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}
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