1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2004 David Xu <davidxu@freebsd.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _THREAD_DB_INT_H_ 32 #define _THREAD_DB_INT_H_ 33 34 #include <sys/types.h> 35 #include <sys/queue.h> 36 37 typedef struct { 38 const td_thragent_t *ti_ta_p; 39 thread_t ti_tid; 40 psaddr_t ti_thread; 41 td_thr_state_e ti_state; 42 td_thr_type_e ti_type; 43 td_thr_events_t ti_events; 44 int ti_pri; 45 lwpid_t ti_lid; 46 char ti_db_suspended; 47 char ti_traceme; 48 sigset_t ti_sigmask; 49 sigset_t ti_pending; 50 psaddr_t ti_tls; 51 psaddr_t ti_startfunc; 52 psaddr_t ti_stkbase; 53 size_t ti_stksize; 54 } td_old_thrinfo_t; 55 56 #define TD_THRAGENT_FIELDS \ 57 struct ta_ops *ta_ops; \ 58 TAILQ_ENTRY(td_thragent) ta_next; \ 59 struct ps_prochandle *ph 60 61 struct ta_ops { 62 td_err_e (*to_init)(void); 63 64 td_err_e (*to_ta_clear_event)(const td_thragent_t *, 65 td_thr_events_t *); 66 td_err_e (*to_ta_delete)(td_thragent_t *); 67 td_err_e (*to_ta_event_addr)(const td_thragent_t *, td_thr_events_e, 68 td_notify_t *); 69 td_err_e (*to_ta_event_getmsg)(const td_thragent_t *, 70 td_event_msg_t *); 71 td_err_e (*to_ta_map_id2thr)(const td_thragent_t *, thread_t, 72 td_thrhandle_t *); 73 td_err_e (*to_ta_map_lwp2thr)(const td_thragent_t *, lwpid_t, 74 td_thrhandle_t *); 75 td_err_e (*to_ta_new)(struct ps_prochandle *, td_thragent_t **); 76 td_err_e (*to_ta_set_event)(const td_thragent_t *, td_thr_events_t *); 77 td_err_e (*to_ta_thr_iter)(const td_thragent_t *, td_thr_iter_f *, 78 void *, td_thr_state_e, int, sigset_t *, unsigned int); 79 td_err_e (*to_ta_tsd_iter)(const td_thragent_t *, td_key_iter_f *, 80 void *); 81 82 td_err_e (*to_thr_clear_event)(const td_thrhandle_t *, 83 td_thr_events_t *); 84 td_err_e (*to_thr_dbresume)(const td_thrhandle_t *); 85 td_err_e (*to_thr_dbsuspend)(const td_thrhandle_t *); 86 td_err_e (*to_thr_event_enable)(const td_thrhandle_t *, int); 87 td_err_e (*to_thr_event_getmsg)(const td_thrhandle_t *, 88 td_event_msg_t *); 89 td_err_e (*to_thr_old_get_info)(const td_thrhandle_t *, 90 td_old_thrinfo_t *); 91 td_err_e (*to_thr_get_info)(const td_thrhandle_t *, td_thrinfo_t *); 92 td_err_e (*to_thr_getfpregs)(const td_thrhandle_t *, prfpregset_t *); 93 td_err_e (*to_thr_getgregs)(const td_thrhandle_t *, prgregset_t); 94 td_err_e (*to_thr_set_event)(const td_thrhandle_t *, 95 td_thr_events_t *); 96 td_err_e (*to_thr_setfpregs)(const td_thrhandle_t *, 97 const prfpregset_t *); 98 td_err_e (*to_thr_setgregs)(const td_thrhandle_t *, const prgregset_t); 99 td_err_e (*to_thr_validate)(const td_thrhandle_t *); 100 td_err_e (*to_thr_tls_get_addr)(const td_thrhandle_t *, psaddr_t, 101 size_t, psaddr_t *); 102 103 /* FreeBSD specific extensions. */ 104 td_err_e (*to_thr_sstep)(const td_thrhandle_t *, int); 105 #if defined(__i386__) 106 td_err_e (*to_thr_getxmmregs)(const td_thrhandle_t *, char *); 107 td_err_e (*to_thr_setxmmregs)(const td_thrhandle_t *, const char *); 108 #endif 109 }; 110 111 #ifdef TD_DEBUG 112 #define TDBG(...) ps_plog(__VA_ARGS__) 113 #define TDBG_FUNC() ps_plog("%s\n", __func__) 114 #else 115 #define TDBG(...) 116 #define TDBG_FUNC() 117 #endif 118 119 struct td_thragent; 120 121 int thr_pread_int(const struct td_thragent *, psaddr_t, uint32_t *); 122 int thr_pread_long(const struct td_thragent *, psaddr_t, uint64_t *); 123 int thr_pread_ptr(const struct td_thragent *, psaddr_t, psaddr_t *); 124 125 int thr_pwrite_int(const struct td_thragent *, psaddr_t, uint32_t); 126 int thr_pwrite_long(const struct td_thragent *, psaddr_t, uint64_t); 127 int thr_pwrite_ptr(const struct td_thragent *, psaddr_t, psaddr_t); 128 129 td_err_e td_thr_old_get_info(const td_thrhandle_t *th, td_old_thrinfo_t *info); 130 131 #endif /* _THREAD_DB_INT_H_ */ 132