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262 lines
6.3 KiB
C
262 lines
6.3 KiB
C
/*
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* Copyright (c) 2004 David Xu <davidxu@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <proc_service.h>
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#include <stddef.h>
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#include <thread_db.h>
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#include <unistd.h>
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#include "thread_db_int.h"
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struct td_thragent
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{
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TD_THRAGENT_FIELDS;
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};
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static TAILQ_HEAD(, td_thragent) proclist = TAILQ_HEAD_INITIALIZER(proclist);
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extern struct ta_ops libpthread_db_ops;
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extern struct ta_ops libthr_db_ops;
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static struct ta_ops *ops[] = {
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&libpthread_db_ops,
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&libthr_db_ops,
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};
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td_err_e
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td_init(void)
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{
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td_err_e ret, tmp;
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size_t i;
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ret = 0;
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for (i = 0; i < sizeof(ops)/sizeof(ops[0]); i++) {
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if (ops[i]->to_init != NULL) {
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tmp = ops[i]->to_init();
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if (tmp != TD_OK)
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ret = tmp;
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}
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}
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return (ret);
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}
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td_err_e
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td_ta_clear_event(const td_thragent_t *ta, td_thr_events_t *events)
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{
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return (ta->ta_ops->to_ta_clear_event(ta, events));
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}
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td_err_e
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td_ta_delete(td_thragent_t *ta)
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{
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TAILQ_REMOVE(&proclist, ta, ta_next);
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return (ta->ta_ops->to_ta_delete(ta));
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}
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td_err_e
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td_ta_event_addr(const td_thragent_t *ta, td_event_e event, td_notify_t *ptr)
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{
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return (ta->ta_ops->to_ta_event_addr(ta, event, ptr));
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}
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td_err_e
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td_ta_event_getmsg(const td_thragent_t *ta, td_event_msg_t *msg)
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{
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return (ta->ta_ops->to_ta_event_getmsg(ta, msg));
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}
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td_err_e
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td_ta_map_id2thr(const td_thragent_t *ta, thread_t id, td_thrhandle_t *th)
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{
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return (ta->ta_ops->to_ta_map_id2thr(ta, id, th));
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}
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td_err_e
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td_ta_map_lwp2thr(const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th)
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{
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return (ta->ta_ops->to_ta_map_lwp2thr(ta, lwpid, th));
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}
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td_err_e
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td_ta_new(struct ps_prochandle *ph, td_thragent_t **pta)
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{
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size_t i;
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for (i = 0; i < sizeof(ops)/sizeof(ops[0]); ++i) {
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if (ops[i]->to_ta_new(ph, pta) == TD_OK) {
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TAILQ_INSERT_HEAD(&proclist, *pta, ta_next);
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(*pta)->ta_ops = ops[i];
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return (TD_OK);
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}
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}
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return (TD_NOLIBTHREAD);
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}
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td_err_e
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td_ta_set_event(const td_thragent_t *ta, td_thr_events_t *events)
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{
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return (ta->ta_ops->to_ta_set_event(ta, events));
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}
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td_err_e
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td_ta_thr_iter(const td_thragent_t *ta, td_thr_iter_f *callback,
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void *cbdata_p, td_thr_state_e state, int ti_pri, sigset_t *ti_sigmask_p,
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unsigned int ti_user_flags)
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{
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return (ta->ta_ops->to_ta_thr_iter(ta, callback, cbdata_p, state,
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ti_pri, ti_sigmask_p, ti_user_flags));
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}
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td_err_e
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td_ta_tsd_iter(const td_thragent_t *ta, td_key_iter_f *callback,
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void *cbdata_p)
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{
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return (ta->ta_ops->to_ta_tsd_iter(ta, callback, cbdata_p));
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}
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td_err_e
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td_thr_clear_event(const td_thrhandle_t *th, td_thr_events_t *events)
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{
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const td_thragent_t *ta = th->th_ta;
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return (ta->ta_ops->to_thr_clear_event(th, events));
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}
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td_err_e
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td_thr_dbresume(const td_thrhandle_t *th)
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{
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const td_thragent_t *ta = th->th_ta;
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return (ta->ta_ops->to_thr_dbresume(th));
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}
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td_err_e
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td_thr_dbsuspend(const td_thrhandle_t *th)
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{
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const td_thragent_t *ta = th->th_ta;
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return (ta->ta_ops->to_thr_dbsuspend(th));
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}
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td_err_e
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td_thr_event_enable(const td_thrhandle_t *th, int en)
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{
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const td_thragent_t *ta = th->th_ta;
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return (ta->ta_ops->to_thr_event_enable(th, en));
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}
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td_err_e
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td_thr_event_getmsg(const td_thrhandle_t *th, td_event_msg_t *msg)
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{
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const td_thragent_t *ta = th->th_ta;
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return (ta->ta_ops->to_thr_event_getmsg(th, msg));
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}
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td_err_e
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td_thr_get_info(const td_thrhandle_t *th, td_thrinfo_t *info)
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{
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const td_thragent_t *ta = th->th_ta;
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return (ta->ta_ops->to_thr_get_info(th, info));
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}
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#ifdef __i386__
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td_err_e
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td_thr_getxmmregs(const td_thrhandle_t *th, char *fxsave)
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{
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const td_thragent_t *ta = th->th_ta;
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return (ta->ta_ops->to_thr_getxmmregs(th, fxsave));
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}
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#endif
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td_err_e
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td_thr_getfpregs(const td_thrhandle_t *th, prfpregset_t *fpregset)
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{
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const td_thragent_t *ta = th->th_ta;
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return (ta->ta_ops->to_thr_getfpregs(th, fpregset));
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}
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td_err_e
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td_thr_getgregs(const td_thrhandle_t *th, prgregset_t gregs)
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{
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const td_thragent_t *ta = th->th_ta;
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return (ta->ta_ops->to_thr_getgregs(th, gregs));
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}
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td_err_e
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td_thr_set_event(const td_thrhandle_t *th, td_thr_events_t *events)
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{
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const td_thragent_t *ta = th->th_ta;
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return (ta->ta_ops->to_thr_set_event(th, events));
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}
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#ifdef __i386__
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td_err_e
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td_thr_setxmmregs(const td_thrhandle_t *th, const char *fxsave)
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{
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const td_thragent_t *ta = th->th_ta;
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return (ta->ta_ops->to_thr_setxmmregs(th, fxsave));
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}
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#endif
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td_err_e
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td_thr_setfpregs(const td_thrhandle_t *th, const prfpregset_t *fpregs)
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{
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const td_thragent_t *ta = th->th_ta;
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return (ta->ta_ops->to_thr_setfpregs(th, fpregs));
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}
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td_err_e
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td_thr_setgregs(const td_thrhandle_t *th, const prgregset_t gregs)
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{
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const td_thragent_t *ta = th->th_ta;
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return (ta->ta_ops->to_thr_setgregs(th, gregs));
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}
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td_err_e
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td_thr_validate(const td_thrhandle_t *th)
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{
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const td_thragent_t *ta = th->th_ta;
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return (ta->ta_ops->to_thr_validate(th));
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}
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td_err_e
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td_thr_tls_get_addr(const td_thrhandle_t *th, void *linkmap, size_t offset,
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void **address)
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{
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const td_thragent_t *ta = th->th_ta;
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return (ta->ta_ops->to_thr_tls_get_addr(th, linkmap, offset, address));
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}
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/* FreeBSD specific extensions. */
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td_err_e
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td_thr_sstep(const td_thrhandle_t *th, int step)
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{
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const td_thragent_t *ta = th->th_ta;
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return (ta->ta_ops->to_thr_sstep(th, step));
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}
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