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 _LIBPTHREAD_DB_H_ 30 #define _LIBPTHREAD_DB_H_ 31 32 #include <sys/ucontext.h> 33 #include <machine/reg.h> 34 35 #include "thread_db_int.h" 36 37 enum pt_type { 38 PT_NONE, 39 PT_USER, 40 PT_LWP 41 }; 42 43 struct pt_map { 44 enum pt_type type; 45 union { 46 lwpid_t lwp; 47 psaddr_t thr; 48 }; 49 }; 50 51 struct td_thragent { 52 TD_THRAGENT_FIELDS; 53 psaddr_t libkse_debug_addr; 54 psaddr_t thread_list_addr; 55 psaddr_t thread_listgen_addr; 56 psaddr_t thread_activated_addr; 57 psaddr_t thread_active_threads_addr; 58 psaddr_t thread_keytable_addr; 59 int thread_activated; 60 int thread_off_dtv; 61 int thread_off_kse_locklevel; 62 int thread_off_kse; 63 int thread_off_tlsindex; 64 int thread_off_attr_flags; 65 int thread_size_key; 66 int thread_off_tcb; 67 int thread_off_linkmap; 68 int thread_off_tmbx; 69 int thread_off_thr_locklevel; 70 int thread_off_next; 71 int thread_off_state; 72 int thread_max_keys; 73 int thread_off_key_allocated; 74 int thread_off_key_destructor; 75 int thread_state_zoombie; 76 int thread_state_running; 77 int thread_off_sigmask; 78 int thread_off_sigpend; 79 struct pt_map *map; 80 unsigned int map_len; 81 }; 82 83 void pt_md_init(void); 84 void pt_reg_to_ucontext(const struct reg *, ucontext_t *); 85 void pt_ucontext_to_reg(const ucontext_t *, struct reg *); 86 void pt_fpreg_to_ucontext(const struct fpreg *, ucontext_t *); 87 void pt_ucontext_to_fpreg(const ucontext_t *, struct fpreg *); 88 #ifdef __i386__ 89 void pt_fxsave_to_ucontext(const char *, ucontext_t *); 90 void pt_ucontext_to_fxsave(const ucontext_t *, char *); 91 #endif 92 int pt_reg_sstep(struct reg *reg, int step); 93 94 #endif /* _LIBPTHREAD_DB_H_ */ 95