1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 29 #ifndef _THREAD_DB_INT_H_ 30 #define _THREAD_DB_INT_H_ 31 32 #include <sys/types.h> 33 #include <sys/queue.h> 34 35 typedef struct { 36 const td_thragent_t *ti_ta_p; 37 thread_t ti_tid; 38 psaddr_t ti_thread; 39 td_thr_state_e ti_state; 40 td_thr_type_e ti_type; 41 td_thr_events_t ti_events; 42 int ti_pri; 43 lwpid_t ti_lid; 44 char ti_db_suspended; 45 char ti_traceme; 46 sigset_t ti_sigmask; 47 sigset_t ti_pending; 48 psaddr_t ti_tls; 49 psaddr_t ti_startfunc; 50 psaddr_t ti_stkbase; 51 size_t ti_stksize; 52 } td_old_thrinfo_t; 53 54 #define TD_THRAGENT_FIELDS \ 55 struct ta_ops *ta_ops; \ 56 TAILQ_ENTRY(td_thragent) ta_next; \ 57 struct ps_prochandle *ph 58 59 struct ta_ops { 60 td_err_e (*to_init)(void); 61 62 td_err_e (*to_ta_clear_event)(const td_thragent_t *, 63 td_thr_events_t *); 64 td_err_e (*to_ta_delete)(td_thragent_t *); 65 td_err_e (*to_ta_event_addr)(const td_thragent_t *, td_thr_events_e, 66 td_notify_t *); 67 td_err_e (*to_ta_event_getmsg)(const td_thragent_t *, 68 td_event_msg_t *); 69 td_err_e (*to_ta_map_id2thr)(const td_thragent_t *, thread_t, 70 td_thrhandle_t *); 71 td_err_e (*to_ta_map_lwp2thr)(const td_thragent_t *, lwpid_t, 72 td_thrhandle_t *); 73 td_err_e (*to_ta_new)(struct ps_prochandle *, td_thragent_t **); 74 td_err_e (*to_ta_set_event)(const td_thragent_t *, td_thr_events_t *); 75 td_err_e (*to_ta_thr_iter)(const td_thragent_t *, td_thr_iter_f *, 76 void *, td_thr_state_e, int, sigset_t *, unsigned int); 77 td_err_e (*to_ta_tsd_iter)(const td_thragent_t *, td_key_iter_f *, 78 void *); 79 80 td_err_e (*to_thr_clear_event)(const td_thrhandle_t *, 81 td_thr_events_t *); 82 td_err_e (*to_thr_dbresume)(const td_thrhandle_t *); 83 td_err_e (*to_thr_dbsuspend)(const td_thrhandle_t *); 84 td_err_e (*to_thr_event_enable)(const td_thrhandle_t *, int); 85 td_err_e (*to_thr_event_getmsg)(const td_thrhandle_t *, 86 td_event_msg_t *); 87 td_err_e (*to_thr_old_get_info)(const td_thrhandle_t *, 88 td_old_thrinfo_t *); 89 td_err_e (*to_thr_get_info)(const td_thrhandle_t *, td_thrinfo_t *); 90 td_err_e (*to_thr_getfpregs)(const td_thrhandle_t *, prfpregset_t *); 91 td_err_e (*to_thr_getgregs)(const td_thrhandle_t *, prgregset_t); 92 td_err_e (*to_thr_set_event)(const td_thrhandle_t *, 93 td_thr_events_t *); 94 td_err_e (*to_thr_setfpregs)(const td_thrhandle_t *, 95 const prfpregset_t *); 96 td_err_e (*to_thr_setgregs)(const td_thrhandle_t *, const prgregset_t); 97 td_err_e (*to_thr_validate)(const td_thrhandle_t *); 98 td_err_e (*to_thr_tls_get_addr)(const td_thrhandle_t *, psaddr_t, 99 size_t, psaddr_t *); 100 101 /* FreeBSD specific extensions. */ 102 td_err_e (*to_thr_sstep)(const td_thrhandle_t *, int); 103 #if defined(__i386__) 104 td_err_e (*to_thr_getxmmregs)(const td_thrhandle_t *, char *); 105 td_err_e (*to_thr_setxmmregs)(const td_thrhandle_t *, const char *); 106 #endif 107 }; 108 109 #ifdef TD_DEBUG 110 #define TDBG(...) ps_plog(__VA_ARGS__) 111 #define TDBG_FUNC() ps_plog("%s\n", __func__) 112 #else 113 #define TDBG(...) 114 #define TDBG_FUNC() 115 #endif 116 117 struct td_thragent; 118 119 int thr_pread_int(const struct td_thragent *, psaddr_t, uint32_t *); 120 int thr_pread_long(const struct td_thragent *, psaddr_t, uint64_t *); 121 int thr_pread_ptr(const struct td_thragent *, psaddr_t, psaddr_t *); 122 123 int thr_pwrite_int(const struct td_thragent *, psaddr_t, uint32_t); 124 int thr_pwrite_long(const struct td_thragent *, psaddr_t, uint64_t); 125 int thr_pwrite_ptr(const struct td_thragent *, psaddr_t, psaddr_t); 126 127 td_err_e td_thr_old_get_info(const td_thrhandle_t *th, td_old_thrinfo_t *info); 128 129 #endif /* _THREAD_DB_INT_H_ */ 130