freebsd-dev/lib/libthread_db/thread_db_int.h
davidxu 7aea61ef46 1.Use new way to check if a thread is in critical region, defer suspending
if it is true.
2.Add thread_db api td_thr_tls_get_addr to get tls address, the real code
  is commented out util tls patch is committed.

Reviewed by: deischen
2004-08-08 22:37:53 +00:00

93 lines
3.6 KiB
C

/*
* 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.
*
* $FreeBSD$
*/
#ifndef _THREAD_DB_INT_H_
#define _THREAD_DB_INT_H_
#include <sys/types.h>
#include <sys/queue.h>
#define TD_THRAGENT_FIELDS \
struct ta_ops *ta_ops; \
TAILQ_ENTRY(td_thragent) ta_next; \
struct ps_prochandle *ph
struct ta_ops {
td_err_e (*to_init)(void);
td_err_e (*to_ta_clear_event)(const td_thragent_t *,
td_thr_events_t *);
td_err_e (*to_ta_delete)(td_thragent_t *);
td_err_e (*to_ta_event_addr)(const td_thragent_t *, td_thr_events_e,
td_notify_t *);
td_err_e (*to_ta_event_getmsg)(const td_thragent_t *,
td_event_msg_t *);
td_err_e (*to_ta_map_id2thr)(const td_thragent_t *, thread_t,
td_thrhandle_t *);
td_err_e (*to_ta_map_lwp2thr)(const td_thragent_t *, lwpid_t,
td_thrhandle_t *);
td_err_e (*to_ta_new)(struct ps_prochandle *, td_thragent_t **);
td_err_e (*to_ta_set_event)(const td_thragent_t *, td_thr_events_t *);
td_err_e (*to_ta_thr_iter)(const td_thragent_t *, td_thr_iter_f *,
void *, td_thr_state_e, int, sigset_t *, unsigned int);
td_err_e (*to_ta_tsd_iter)(const td_thragent_t *, td_key_iter_f *,
void *);
td_err_e (*to_thr_clear_event)(const td_thrhandle_t *,
td_thr_events_t *);
td_err_e (*to_thr_dbresume)(const td_thrhandle_t *);
td_err_e (*to_thr_dbsuspend)(const td_thrhandle_t *);
td_err_e (*to_thr_event_enable)(const td_thrhandle_t *, int);
td_err_e (*to_thr_event_getmsg)(const td_thrhandle_t *,
td_event_msg_t *);
td_err_e (*to_thr_get_info)(const td_thrhandle_t *, td_thrinfo_t *);
td_err_e (*to_thr_getfpregs)(const td_thrhandle_t *, prfpregset_t *);
td_err_e (*to_thr_getgregs)(const td_thrhandle_t *, prgregset_t);
td_err_e (*to_thr_set_event)(const td_thrhandle_t *,
td_thr_events_t *);
td_err_e (*to_thr_setfpregs)(const td_thrhandle_t *,
const prfpregset_t *);
td_err_e (*to_thr_setgregs)(const td_thrhandle_t *, const prgregset_t);
td_err_e (*to_thr_validate)(const td_thrhandle_t *);
td_err_e (*to_thr_tls_get_addr)(const td_thrhandle_t *,
void *, size_t, void **);
/* FreeBSD specific extensions. */
td_err_e (*to_thr_sstep)(const td_thrhandle_t *, int);
};
#ifdef TD_DEBUG
#define TDBG(...) ps_plog(__VA_ARGS__)
#define TDBG_FUNC() ps_plog("%s\n", __func__)
#else
#define TDBG(...)
#define TDBG_FUNC()
#endif
#endif /* _THREAD_DB_INT_H_ */