1 /* 2 * Copyright (c) 2004 David Xu <davidxu@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 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 struct pt_map { 38 enum { 39 PT_NONE, 40 PT_USER, 41 PT_LWP 42 } type; 43 44 union { 45 lwpid_t lwp; 46 psaddr_t thr; 47 }; 48 }; 49 50 struct td_thragent { 51 TD_THRAGENT_FIELDS; 52 psaddr_t libkse_debug_addr; 53 psaddr_t thread_list_addr; 54 psaddr_t thread_listgen_addr; 55 psaddr_t thread_activated_addr; 56 psaddr_t thread_active_threads_addr; 57 psaddr_t thread_keytable_addr; 58 int thread_activated; 59 int thread_off_dtv; 60 int thread_off_kse_locklevel; 61 int thread_off_kse; 62 int thread_off_tlsindex; 63 int thread_off_attr_flags; 64 int thread_size_key; 65 int thread_off_tcb; 66 int thread_off_linkmap; 67 int thread_off_tmbx; 68 int thread_off_thr_locklevel; 69 int thread_off_next; 70 int thread_off_state; 71 int thread_max_keys; 72 int thread_off_key_allocated; 73 int thread_off_key_destructor; 74 int thread_state_zoombie; 75 int thread_state_running; 76 int thread_off_sigmask; 77 int thread_off_sigpend; 78 struct pt_map *map; 79 int map_len; 80 }; 81 82 void pt_md_init(void); 83 void pt_reg_to_ucontext(const struct reg *, ucontext_t *); 84 void pt_ucontext_to_reg(const ucontext_t *, struct reg *); 85 void pt_fpreg_to_ucontext(const struct fpreg *, ucontext_t *); 86 void pt_ucontext_to_fpreg(const ucontext_t *, struct fpreg *); 87 #ifdef __i386__ 88 void pt_fxsave_to_ucontext(const char *, ucontext_t *); 89 void pt_ucontext_to_fxsave(const ucontext_t *, char *); 90 #endif 91 int pt_reg_sstep(struct reg *reg, int step); 92 93 #endif /* _LIBPTHREAD_DB_H_ */ 94