diff options
Diffstat (limited to 'lib/libthread_db/src/thread_db.c')
-rw-r--r-- | lib/libthread_db/src/thread_db.c | 359 |
1 files changed, 359 insertions, 0 deletions
diff --git a/lib/libthread_db/src/thread_db.c b/lib/libthread_db/src/thread_db.c new file mode 100644 index 0000000..24d5e7c --- /dev/null +++ b/lib/libthread_db/src/thread_db.c @@ -0,0 +1,359 @@ +/* + * Copyright (c) 2004 David Xu <davidxu@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <stddef.h> +#include <unistd.h> + +#include <proc_service.h> +#include <thread_db.h> +#include "thread_db_int.h" + +static TAILQ_HEAD(, td_thragent) proclist = TAILQ_HEAD_INITIALIZER(proclist); + +extern struct ta_ops pthread_ops; +#if 0 +extern struct ta_ops thr_ops; +extern struct ta_ops c_r_ops; +#endif + +static struct ta_ops *ops[] = { + &pthread_ops, +#if 0 + &thr_ops, + &c_r_ops +#endif +}; + +td_err_e +td_init(void) +{ + int i, ret = 0; + + for (i = 0; i < sizeof(ops)/sizeof(ops[0]); ++i) { + int tmp; + if ((tmp = ops[i]->to_init()) != 0) + ret = tmp; + } + return (ret); +} + +td_err_e +td_ta_new(struct ps_prochandle *ph, td_thragent_t **pta) +{ + int i; + + for (i = 0; i < sizeof(ops)/sizeof(ops[0]); ++i) { + if (ops[i]->to_ta_new(ph, pta) == 0) { + (*pta)->ta_ops = ops[i]; + TAILQ_INSERT_HEAD(&proclist, *pta, ta_next); + return (0); + } + } + return (TD_NOLIBTHREAD); + +} + +td_err_e +td_ta_delete(td_thragent_t *ta) +{ + TAILQ_REMOVE(&proclist, ta, ta_next); + return ta->ta_ops->to_ta_delete(ta); +} + +td_err_e +td_ta_get_nthreads(const td_thragent_t *ta, int *np) +{ + return ta->ta_ops->to_ta_get_nthreads(ta, np); +} + +td_err_e +td_ta_get_ph(const td_thragent_t *ta, struct ps_prochandle **ph) +{ + return ta->ta_ops->to_ta_get_ph(ta, ph); +} + +td_err_e +td_ta_map_id2thr(const td_thragent_t *ta, thread_t id, td_thrhandle_t *th) +{ + return ta->ta_ops->to_ta_map_id2thr(ta, id, th); +} + +td_err_e +td_ta_map_lwp2thr(const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th) +{ + return ta->ta_ops->to_ta_map_lwp2thr(ta, lwpid, th); +} + +td_err_e +td_ta_thr_iter(const td_thragent_t *ta, + td_thr_iter_f *callback, void *cbdata_p, + td_thr_state_e state, int ti_pri, + sigset_t *ti_sigmask_p, + unsigned int ti_user_flags) +{ + return ta->ta_ops->to_ta_thr_iter(ta, callback, cbdata_p, state, + ti_pri, ti_sigmask_p, ti_user_flags); +} + +td_err_e +td_ta_tsd_iter(const td_thragent_t *ta, td_key_iter_f *ki, void *arg) +{ + return ta->ta_ops->to_ta_tsd_iter(ta, ki, arg); +} + +td_err_e +td_ta_event_addr(const td_thragent_t *ta, td_event_e event, td_notify_t *ptr) +{ + return ta->ta_ops->to_ta_event_addr(ta, event, ptr); +} + +td_err_e +td_ta_set_event(const td_thragent_t *ta, td_thr_events_t *events) +{ + return ta->ta_ops->to_ta_set_event(ta, events); +} + +td_err_e +td_ta_clear_event(const td_thragent_t *ta, td_thr_events_t *events) +{ + return ta->ta_ops->to_ta_clear_event(ta, events); +} + +td_err_e +td_ta_event_getmsg(const td_thragent_t *ta, td_event_msg_t *msg) +{ + return ta->ta_ops->to_ta_event_getmsg(ta, msg); +} + +td_err_e +td_ta_setconcurrency(const td_thragent_t *ta, int level) +{ + return ta->ta_ops->to_ta_setconcurrency(ta, level); +} + +td_err_e +td_ta_enable_stats(const td_thragent_t *ta, int enable) +{ + return ta->ta_ops->to_ta_enable_stats(ta, enable); +} + +td_err_e +td_ta_reset_stats(const td_thragent_t *ta) +{ + return ta->ta_ops->to_ta_reset_stats(ta); +} + +td_err_e +td_ta_get_stats(const td_thragent_t *ta, td_ta_stats_t *statsp) +{ + return ta->ta_ops->to_ta_get_stats(ta, statsp); +} + +td_err_e +td_thr_validate(const td_thrhandle_t *th) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_validate(th); +} + +td_err_e +td_thr_get_info(const td_thrhandle_t *th, td_thrinfo_t *info) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_get_info(th, info); +} + +td_err_e +td_thr_getfpregs(const td_thrhandle_t *th, prfpregset_t *fpregset) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_getfpregs(th, fpregset); +} + +td_err_e +td_thr_getgregs(const td_thrhandle_t *th, prgregset_t gregs) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_getgregs(th, gregs); +} + +td_err_e +td_thr_getxregs(const td_thrhandle_t *th, void *xregs) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_getxregs(th, xregs); +} + +td_err_e +td_thr_getxregsize(const td_thrhandle_t *th, int *sizep) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_getxregsize(th, sizep); +} + +td_err_e +td_thr_setfpregs(const td_thrhandle_t *th, const prfpregset_t *fpregs) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_setfpregs(th, fpregs); +} + +td_err_e +td_thr_setgregs(const td_thrhandle_t *th, prgregset_t gregs) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_setgregs(th, gregs); +} + +td_err_e +td_thr_setxregs(const td_thrhandle_t *th, const void *addr) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_setxregs(th, addr); +} + +td_err_e +td_thr_event_enable(const td_thrhandle_t *th, int en) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_event_enable(th, en); +} + +td_err_e +td_thr_set_event(const td_thrhandle_t *th, td_thr_events_t *setp) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_set_event(th, setp); +} + +td_err_e +td_thr_clear_event(const td_thrhandle_t *th, td_thr_events_t *setp) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_clear_event(th, setp); +} + +td_err_e +td_thr_event_getmsg(const td_thrhandle_t *th, td_event_msg_t *msg) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_event_getmsg(th, msg); +} + +td_err_e +td_thr_setprio(const td_thrhandle_t *th, int pri) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_setprio(th, pri); +} + +td_err_e +td_thr_setsigpending(const td_thrhandle_t *th, unsigned char n, + const sigset_t *set) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_setsigpending(th, n, set); +} + +td_err_e +td_thr_sigsetmask(const td_thrhandle_t *th, const sigset_t *set) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_sigsetmask(th, set); +} + +td_err_e +td_thr_tsd(const td_thrhandle_t *th, const thread_key_t key, void **data) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_tsd(th, key, data); +} + +td_err_e +td_thr_dbsuspend(const td_thrhandle_t *th) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_dbsuspend(th); +} + +td_err_e +td_thr_dbresume(const td_thrhandle_t *th) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_dbresume(th); +} + +td_err_e +td_get_ta(int pid, td_thragent_t **ta_p) +{ + td_thragent_t *ta; + struct ps_prochandle *ph; + + TAILQ_FOREACH(ta, &proclist, ta_next) { + td_ta_get_ph(ta, &ph); + if (ps_getpid(ph) == pid) { + *ta_p = ta; + return (TD_OK); + } + } + return (TD_ERR); +} + +td_err_e +td_ta_activated(td_thragent_t *ta, int *a) +{ + return ta->ta_ops->to_ta_activated(ta, a); +} + +td_err_e +td_thr_sstep(td_thrhandle_t *th, int step) +{ + td_thragent_t *ta = th->th_ta_p; + + return ta->ta_ops->to_thr_sstep(th, step); +} |