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/* 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, see <http://www.gnu.org/licenses/>. */ #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; } |