13c1e38eaSMarcel Moolenaar /* 23c1e38eaSMarcel Moolenaar * Copyright (c) 2004 David Xu <davidxu@freebsd.org> 33c1e38eaSMarcel Moolenaar * All rights reserved. 43c1e38eaSMarcel Moolenaar * 53c1e38eaSMarcel Moolenaar * Redistribution and use in source and binary forms, with or without 63c1e38eaSMarcel Moolenaar * modification, are permitted provided that the following conditions 73c1e38eaSMarcel Moolenaar * are met: 83c1e38eaSMarcel Moolenaar * 1. Redistributions of source code must retain the above copyright 93c1e38eaSMarcel Moolenaar * notice, this list of conditions and the following disclaimer. 103c1e38eaSMarcel Moolenaar * 2. Redistributions in binary form must reproduce the above copyright 113c1e38eaSMarcel Moolenaar * notice, this list of conditions and the following disclaimer in the 123c1e38eaSMarcel Moolenaar * documentation and/or other materials provided with the distribution. 133c1e38eaSMarcel Moolenaar * 143c1e38eaSMarcel Moolenaar * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 153c1e38eaSMarcel Moolenaar * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 163c1e38eaSMarcel Moolenaar * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 173c1e38eaSMarcel Moolenaar * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 183c1e38eaSMarcel Moolenaar * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 193c1e38eaSMarcel Moolenaar * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 203c1e38eaSMarcel Moolenaar * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 213c1e38eaSMarcel Moolenaar * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 223c1e38eaSMarcel Moolenaar * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 233c1e38eaSMarcel Moolenaar * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 243c1e38eaSMarcel Moolenaar * SUCH DAMAGE. 253c1e38eaSMarcel Moolenaar */ 263c1e38eaSMarcel Moolenaar 273c1e38eaSMarcel Moolenaar #include <sys/cdefs.h> 283c1e38eaSMarcel Moolenaar __FBSDID("$FreeBSD$"); 293c1e38eaSMarcel Moolenaar 303c1e38eaSMarcel Moolenaar #include <stddef.h> 313c1e38eaSMarcel Moolenaar #include <stdlib.h> 323c1e38eaSMarcel Moolenaar #include <string.h> 333c1e38eaSMarcel Moolenaar #include <unistd.h> 343c1e38eaSMarcel Moolenaar #include <pthread.h> 353c1e38eaSMarcel Moolenaar #include <sys/types.h> 3620b94d80SDavid Xu #include <sys/linker_set.h> 373c1e38eaSMarcel Moolenaar #include <sys/ptrace.h> 383c1e38eaSMarcel Moolenaar #include <proc_service.h> 393c1e38eaSMarcel Moolenaar #include <thread_db.h> 403c1e38eaSMarcel Moolenaar 413c1e38eaSMarcel Moolenaar #include "libpthread_db.h" 42fbb275f5SJeff Roberson #include "kse.h" 433c1e38eaSMarcel Moolenaar 443c1e38eaSMarcel Moolenaar #define P2T(c) ps2td(c) 453c1e38eaSMarcel Moolenaar 463c1e38eaSMarcel Moolenaar static void pt_unmap_lwp(const td_thragent_t *ta, lwpid_t lwp); 473c1e38eaSMarcel Moolenaar static int pt_validate(const td_thrhandle_t *th); 483c1e38eaSMarcel Moolenaar 493c1e38eaSMarcel Moolenaar static int 503c1e38eaSMarcel Moolenaar ps2td(int c) 513c1e38eaSMarcel Moolenaar { 523c1e38eaSMarcel Moolenaar switch (c) { 533c1e38eaSMarcel Moolenaar case PS_OK: 543c1e38eaSMarcel Moolenaar return TD_OK; 553c1e38eaSMarcel Moolenaar case PS_ERR: 563c1e38eaSMarcel Moolenaar return TD_ERR; 573c1e38eaSMarcel Moolenaar case PS_BADPID: 583c1e38eaSMarcel Moolenaar return TD_BADPH; 593c1e38eaSMarcel Moolenaar case PS_BADLID: 603c1e38eaSMarcel Moolenaar return TD_NOLWP; 613c1e38eaSMarcel Moolenaar case PS_BADADDR: 623c1e38eaSMarcel Moolenaar return TD_ERR; 633c1e38eaSMarcel Moolenaar case PS_NOSYM: 643c1e38eaSMarcel Moolenaar return TD_NOLIBTHREAD; 653c1e38eaSMarcel Moolenaar case PS_NOFREGS: 663c1e38eaSMarcel Moolenaar return TD_NOFPREGS; 673c1e38eaSMarcel Moolenaar default: 683c1e38eaSMarcel Moolenaar return TD_ERR; 693c1e38eaSMarcel Moolenaar } 703c1e38eaSMarcel Moolenaar } 713c1e38eaSMarcel Moolenaar 723c1e38eaSMarcel Moolenaar static long 733c1e38eaSMarcel Moolenaar pt_map_thread(const td_thragent_t *const_ta, psaddr_t pt, int type) 743c1e38eaSMarcel Moolenaar { 753c1e38eaSMarcel Moolenaar td_thragent_t *ta = __DECONST(td_thragent_t *, const_ta); 763c1e38eaSMarcel Moolenaar struct pt_map *new; 773c1e38eaSMarcel Moolenaar int i, first = -1; 783c1e38eaSMarcel Moolenaar 793c1e38eaSMarcel Moolenaar /* leave zero out */ 803c1e38eaSMarcel Moolenaar for (i = 1; i < ta->map_len; ++i) { 813c1e38eaSMarcel Moolenaar if (ta->map[i].type == PT_NONE) { 823c1e38eaSMarcel Moolenaar if (first == -1) 833c1e38eaSMarcel Moolenaar first = i; 843c1e38eaSMarcel Moolenaar } else if (ta->map[i].type == type && ta->map[i].thr == pt) { 853c1e38eaSMarcel Moolenaar return (i); 863c1e38eaSMarcel Moolenaar } 873c1e38eaSMarcel Moolenaar } 883c1e38eaSMarcel Moolenaar 893c1e38eaSMarcel Moolenaar if (first == -1) { 903c1e38eaSMarcel Moolenaar if (ta->map_len == 0) { 913c1e38eaSMarcel Moolenaar ta->map = calloc(20, sizeof(struct pt_map)); 923c1e38eaSMarcel Moolenaar if (ta->map == NULL) 933c1e38eaSMarcel Moolenaar return (-1); 943c1e38eaSMarcel Moolenaar ta->map_len = 20; 953c1e38eaSMarcel Moolenaar first = 1; 963c1e38eaSMarcel Moolenaar } else { 973c1e38eaSMarcel Moolenaar new = realloc(ta->map, 983c1e38eaSMarcel Moolenaar sizeof(struct pt_map) * ta->map_len * 2); 993c1e38eaSMarcel Moolenaar if (new == NULL) 1003c1e38eaSMarcel Moolenaar return (-1); 1013c1e38eaSMarcel Moolenaar memset(new + ta->map_len, '\0', sizeof(struct pt_map) * 1023c1e38eaSMarcel Moolenaar ta->map_len); 1033c1e38eaSMarcel Moolenaar first = ta->map_len; 1043c1e38eaSMarcel Moolenaar ta->map = new; 1053c1e38eaSMarcel Moolenaar ta->map_len *= 2; 1063c1e38eaSMarcel Moolenaar } 1073c1e38eaSMarcel Moolenaar } 1083c1e38eaSMarcel Moolenaar 1093c1e38eaSMarcel Moolenaar ta->map[first].type = type; 1103c1e38eaSMarcel Moolenaar ta->map[first].thr = pt; 1113c1e38eaSMarcel Moolenaar return (first); 1123c1e38eaSMarcel Moolenaar } 1133c1e38eaSMarcel Moolenaar 1143c1e38eaSMarcel Moolenaar static td_err_e 1153c1e38eaSMarcel Moolenaar pt_init(void) 1163c1e38eaSMarcel Moolenaar { 1173c1e38eaSMarcel Moolenaar pt_md_init(); 1183c1e38eaSMarcel Moolenaar return (0); 1193c1e38eaSMarcel Moolenaar } 1203c1e38eaSMarcel Moolenaar 1213c1e38eaSMarcel Moolenaar static td_err_e 1223c1e38eaSMarcel Moolenaar pt_ta_new(struct ps_prochandle *ph, td_thragent_t **pta) 1233c1e38eaSMarcel Moolenaar { 1243c1e38eaSMarcel Moolenaar #define LOOKUP_SYM(proc, sym, addr) \ 1253c1e38eaSMarcel Moolenaar ret = ps_pglobal_lookup(proc, NULL, sym, addr); \ 1263c1e38eaSMarcel Moolenaar if (ret != 0) { \ 1273c1e38eaSMarcel Moolenaar TDBG("can not find symbol: %s\n", sym); \ 1283c1e38eaSMarcel Moolenaar ret = TD_NOLIBTHREAD; \ 1293c1e38eaSMarcel Moolenaar goto error; \ 1303c1e38eaSMarcel Moolenaar } 1313c1e38eaSMarcel Moolenaar 132cd980d46SDavid Xu #define LOOKUP_VAL(proc, sym, val) \ 133cd980d46SDavid Xu ret = ps_pglobal_lookup(proc, NULL, sym, &vaddr);\ 134cd980d46SDavid Xu if (ret != 0) { \ 135cd980d46SDavid Xu TDBG("can not find symbol: %s\n", sym); \ 136cd980d46SDavid Xu ret = TD_NOLIBTHREAD; \ 137cd980d46SDavid Xu goto error; \ 138cd980d46SDavid Xu } \ 139cd980d46SDavid Xu ret = ps_pread(proc, vaddr, val, sizeof(int)); \ 140cd980d46SDavid Xu if (ret != 0) { \ 141cd980d46SDavid Xu TDBG("can not read value of %s\n", sym);\ 142cd980d46SDavid Xu ret = TD_NOLIBTHREAD; \ 143cd980d46SDavid Xu goto error; \ 144cd980d46SDavid Xu } 145cd980d46SDavid Xu 1463c1e38eaSMarcel Moolenaar td_thragent_t *ta; 147cd980d46SDavid Xu psaddr_t vaddr; 1483c1e38eaSMarcel Moolenaar int dbg; 1493c1e38eaSMarcel Moolenaar int ret; 1503c1e38eaSMarcel Moolenaar 1513c1e38eaSMarcel Moolenaar TDBG_FUNC(); 1523c1e38eaSMarcel Moolenaar 1533c1e38eaSMarcel Moolenaar ta = malloc(sizeof(td_thragent_t)); 1543c1e38eaSMarcel Moolenaar if (ta == NULL) 1553c1e38eaSMarcel Moolenaar return (TD_MALLOC); 1563c1e38eaSMarcel Moolenaar 1573c1e38eaSMarcel Moolenaar ta->ph = ph; 1583c1e38eaSMarcel Moolenaar ta->thread_activated = 0; 1593c1e38eaSMarcel Moolenaar ta->map = NULL; 1603c1e38eaSMarcel Moolenaar ta->map_len = 0; 1613c1e38eaSMarcel Moolenaar 1623c1e38eaSMarcel Moolenaar LOOKUP_SYM(ph, "_libkse_debug", &ta->libkse_debug_addr); 1633c1e38eaSMarcel Moolenaar LOOKUP_SYM(ph, "_thread_list", &ta->thread_list_addr); 1643c1e38eaSMarcel Moolenaar LOOKUP_SYM(ph, "_thread_activated", &ta->thread_activated_addr); 1653c1e38eaSMarcel Moolenaar LOOKUP_SYM(ph, "_thread_active_threads",&ta->thread_active_threads_addr); 1663c1e38eaSMarcel Moolenaar LOOKUP_SYM(ph, "_thread_keytable", &ta->thread_keytable_addr); 167cd980d46SDavid Xu LOOKUP_VAL(ph, "_thread_off_dtv", &ta->thread_off_dtv); 168cd980d46SDavid Xu LOOKUP_VAL(ph, "_thread_off_kse_locklevel", &ta->thread_off_kse_locklevel); 169cd980d46SDavid Xu LOOKUP_VAL(ph, "_thread_off_kse", &ta->thread_off_kse); 170cd980d46SDavid Xu LOOKUP_VAL(ph, "_thread_off_tlsindex", &ta->thread_off_tlsindex); 171cd980d46SDavid Xu LOOKUP_VAL(ph, "_thread_off_attr_flags", &ta->thread_off_attr_flags); 172cd980d46SDavid Xu LOOKUP_VAL(ph, "_thread_size_key", &ta->thread_size_key); 173cd980d46SDavid Xu LOOKUP_VAL(ph, "_thread_off_tcb", &ta->thread_off_tcb); 174cd980d46SDavid Xu LOOKUP_VAL(ph, "_thread_off_linkmap", &ta->thread_off_linkmap); 175cd980d46SDavid Xu LOOKUP_VAL(ph, "_thread_off_tmbx", &ta->thread_off_tmbx); 176cd980d46SDavid Xu LOOKUP_VAL(ph, "_thread_off_thr_locklevel", &ta->thread_off_thr_locklevel); 177cd980d46SDavid Xu LOOKUP_VAL(ph, "_thread_off_next", &ta->thread_off_next); 178cd980d46SDavid Xu LOOKUP_VAL(ph, "_thread_off_state", &ta->thread_off_state); 179cd980d46SDavid Xu LOOKUP_VAL(ph, "_thread_max_keys", &ta->thread_max_keys); 180cd980d46SDavid Xu LOOKUP_VAL(ph, "_thread_off_key_allocated", &ta->thread_off_key_allocated); 181cd980d46SDavid Xu LOOKUP_VAL(ph, "_thread_off_key_destructor", &ta->thread_off_key_destructor); 182cd980d46SDavid Xu LOOKUP_VAL(ph, "_thread_state_running", &ta->thread_state_running); 183cd980d46SDavid Xu LOOKUP_VAL(ph, "_thread_state_zoombie", &ta->thread_state_zoombie); 1842ed66c93SDavid Xu LOOKUP_VAL(ph, "_thread_off_sigmask", &ta->thread_off_sigmask); 1852ed66c93SDavid Xu LOOKUP_VAL(ph, "_thread_off_sigpend", &ta->thread_off_sigpend); 1863c1e38eaSMarcel Moolenaar dbg = getpid(); 1873c1e38eaSMarcel Moolenaar /* 1883c1e38eaSMarcel Moolenaar * If this fails it probably means we're debugging a core file and 1893c1e38eaSMarcel Moolenaar * can't write to it. 1903c1e38eaSMarcel Moolenaar */ 1913c1e38eaSMarcel Moolenaar ps_pwrite(ph, ta->libkse_debug_addr, &dbg, sizeof(int)); 1923c1e38eaSMarcel Moolenaar *pta = ta; 1933c1e38eaSMarcel Moolenaar return (0); 1943c1e38eaSMarcel Moolenaar 1953c1e38eaSMarcel Moolenaar error: 1963c1e38eaSMarcel Moolenaar free(ta); 1973c1e38eaSMarcel Moolenaar return (ret); 1983c1e38eaSMarcel Moolenaar } 1993c1e38eaSMarcel Moolenaar 2003c1e38eaSMarcel Moolenaar static td_err_e 2013c1e38eaSMarcel Moolenaar pt_ta_delete(td_thragent_t *ta) 2023c1e38eaSMarcel Moolenaar { 2033c1e38eaSMarcel Moolenaar int dbg; 2043c1e38eaSMarcel Moolenaar 2053c1e38eaSMarcel Moolenaar TDBG_FUNC(); 2063c1e38eaSMarcel Moolenaar 2073c1e38eaSMarcel Moolenaar dbg = 0; 2083c1e38eaSMarcel Moolenaar /* 2093c1e38eaSMarcel Moolenaar * Error returns from this write are not really a problem; 2103c1e38eaSMarcel Moolenaar * the process doesn't exist any more. 2113c1e38eaSMarcel Moolenaar */ 2123c1e38eaSMarcel Moolenaar ps_pwrite(ta->ph, ta->libkse_debug_addr, &dbg, sizeof(int)); 2133c1e38eaSMarcel Moolenaar if (ta->map) 2143c1e38eaSMarcel Moolenaar free(ta->map); 2153c1e38eaSMarcel Moolenaar free(ta); 2163c1e38eaSMarcel Moolenaar return (TD_OK); 2173c1e38eaSMarcel Moolenaar } 2183c1e38eaSMarcel Moolenaar 2193c1e38eaSMarcel Moolenaar static td_err_e 2203c1e38eaSMarcel Moolenaar pt_ta_map_id2thr(const td_thragent_t *ta, thread_t id, td_thrhandle_t *th) 2213c1e38eaSMarcel Moolenaar { 2223c1e38eaSMarcel Moolenaar prgregset_t gregs; 2233c1e38eaSMarcel Moolenaar TAILQ_HEAD(, pthread) thread_list; 2243c1e38eaSMarcel Moolenaar psaddr_t pt, tcb_addr; 2253c1e38eaSMarcel Moolenaar lwpid_t lwp; 2263c1e38eaSMarcel Moolenaar int ret; 2273c1e38eaSMarcel Moolenaar 2283c1e38eaSMarcel Moolenaar TDBG_FUNC(); 2293c1e38eaSMarcel Moolenaar 2303c1e38eaSMarcel Moolenaar if (id < 0 || id >= ta->map_len || ta->map[id].type == PT_NONE) 2313c1e38eaSMarcel Moolenaar return (TD_NOTHR); 2323c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ta->thread_list_addr, &thread_list, 2333c1e38eaSMarcel Moolenaar sizeof(thread_list)); 2343c1e38eaSMarcel Moolenaar if (ret != 0) 2353c1e38eaSMarcel Moolenaar return (P2T(ret)); 2363c1e38eaSMarcel Moolenaar pt = (psaddr_t)thread_list.tqh_first; 2373c1e38eaSMarcel Moolenaar if (ta->map[id].type == PT_LWP) { 2383c1e38eaSMarcel Moolenaar /* 2393c1e38eaSMarcel Moolenaar * if we are referencing a lwp, make sure it was not already 2403c1e38eaSMarcel Moolenaar * mapped to user thread. 2413c1e38eaSMarcel Moolenaar */ 2423c1e38eaSMarcel Moolenaar while (pt != 0) { 2433c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, 244cd980d46SDavid Xu pt + ta->thread_off_tcb, 2453c1e38eaSMarcel Moolenaar &tcb_addr, sizeof(tcb_addr)); 2463c1e38eaSMarcel Moolenaar if (ret != 0) 2473c1e38eaSMarcel Moolenaar return (P2T(ret)); 2483c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, 249cd980d46SDavid Xu tcb_addr + ta->thread_off_tmbx + 250cd980d46SDavid Xu offsetof(struct kse_thr_mailbox, tm_lwp), 2513c1e38eaSMarcel Moolenaar &lwp, sizeof(lwp)); 2523c1e38eaSMarcel Moolenaar if (ret != 0) 2533c1e38eaSMarcel Moolenaar return (P2T(ret)); 2543c1e38eaSMarcel Moolenaar /* 2553c1e38eaSMarcel Moolenaar * If the lwp was already mapped to userland thread, 2563c1e38eaSMarcel Moolenaar * we shouldn't reference it directly in future. 2573c1e38eaSMarcel Moolenaar */ 2583c1e38eaSMarcel Moolenaar if (lwp == ta->map[id].lwp) { 2593c1e38eaSMarcel Moolenaar ta->map[id].type = PT_NONE; 2603c1e38eaSMarcel Moolenaar return (TD_NOTHR); 2613c1e38eaSMarcel Moolenaar } 2623c1e38eaSMarcel Moolenaar /* get next thread */ 2633c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, 264cd980d46SDavid Xu pt + ta->thread_off_next, 2653c1e38eaSMarcel Moolenaar &pt, sizeof(pt)); 2663c1e38eaSMarcel Moolenaar if (ret != 0) 2673c1e38eaSMarcel Moolenaar return (P2T(ret)); 2683c1e38eaSMarcel Moolenaar } 2693c1e38eaSMarcel Moolenaar /* check lwp */ 2704db106a9SDavid Xu ret = ps_lgetregs(ta->ph, ta->map[id].lwp, gregs); 2714db106a9SDavid Xu if (ret != PS_OK) { 2723c1e38eaSMarcel Moolenaar /* no longer exists */ 2733c1e38eaSMarcel Moolenaar ta->map[id].type = PT_NONE; 2743c1e38eaSMarcel Moolenaar return (TD_NOTHR); 2753c1e38eaSMarcel Moolenaar } 2763c1e38eaSMarcel Moolenaar } else { 2773c1e38eaSMarcel Moolenaar while (pt != 0 && ta->map[id].thr != pt) { 2783c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, 279cd980d46SDavid Xu pt + ta->thread_off_tcb, 2803c1e38eaSMarcel Moolenaar &tcb_addr, sizeof(tcb_addr)); 2813c1e38eaSMarcel Moolenaar if (ret != 0) 2823c1e38eaSMarcel Moolenaar return (P2T(ret)); 2833c1e38eaSMarcel Moolenaar /* get next thread */ 2843c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, 285cd980d46SDavid Xu pt + ta->thread_off_next, 2863c1e38eaSMarcel Moolenaar &pt, sizeof(pt)); 2873c1e38eaSMarcel Moolenaar if (ret != 0) 2883c1e38eaSMarcel Moolenaar return (P2T(ret)); 2893c1e38eaSMarcel Moolenaar } 2903c1e38eaSMarcel Moolenaar 2913c1e38eaSMarcel Moolenaar if (pt == 0) { 2923c1e38eaSMarcel Moolenaar /* no longer exists */ 2933c1e38eaSMarcel Moolenaar ta->map[id].type = PT_NONE; 2943c1e38eaSMarcel Moolenaar return (TD_NOTHR); 2953c1e38eaSMarcel Moolenaar } 2963c1e38eaSMarcel Moolenaar } 2973c1e38eaSMarcel Moolenaar th->th_ta = ta; 2983c1e38eaSMarcel Moolenaar th->th_tid = id; 2992ec2da86SDavid Xu th->th_thread = pt; 3003c1e38eaSMarcel Moolenaar return (TD_OK); 3013c1e38eaSMarcel Moolenaar } 3023c1e38eaSMarcel Moolenaar 3033c1e38eaSMarcel Moolenaar static td_err_e 3043c1e38eaSMarcel Moolenaar pt_ta_map_lwp2thr(const td_thragent_t *ta, lwpid_t lwp, td_thrhandle_t *th) 3053c1e38eaSMarcel Moolenaar { 3063c1e38eaSMarcel Moolenaar TAILQ_HEAD(, pthread) thread_list; 3073c1e38eaSMarcel Moolenaar psaddr_t pt, ptr; 3083c1e38eaSMarcel Moolenaar lwpid_t tmp_lwp; 3093c1e38eaSMarcel Moolenaar int ret; 3103c1e38eaSMarcel Moolenaar 3113c1e38eaSMarcel Moolenaar TDBG_FUNC(); 3123c1e38eaSMarcel Moolenaar 3133c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ta->thread_list_addr, &thread_list, 3143c1e38eaSMarcel Moolenaar sizeof(thread_list)); 3153c1e38eaSMarcel Moolenaar if (ret != 0) 3163c1e38eaSMarcel Moolenaar return (P2T(ret)); 3173c1e38eaSMarcel Moolenaar pt = (psaddr_t)thread_list.tqh_first; 3183c1e38eaSMarcel Moolenaar while (pt != 0) { 319cd980d46SDavid Xu ret = ps_pread(ta->ph, pt + ta->thread_off_tcb, 3203c1e38eaSMarcel Moolenaar &ptr, sizeof(ptr)); 3213c1e38eaSMarcel Moolenaar if (ret != 0) 3223c1e38eaSMarcel Moolenaar return (P2T(ret)); 323cd980d46SDavid Xu ptr += ta->thread_off_tmbx + 324cd980d46SDavid Xu offsetof(struct kse_thr_mailbox, tm_lwp); 3253c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ptr, &tmp_lwp, sizeof(lwpid_t)); 3263c1e38eaSMarcel Moolenaar if (ret != 0) 3273c1e38eaSMarcel Moolenaar return (P2T(ret)); 3283c1e38eaSMarcel Moolenaar if (tmp_lwp == lwp) { 3293c1e38eaSMarcel Moolenaar th->th_ta = ta; 3303c1e38eaSMarcel Moolenaar th->th_tid = pt_map_thread(ta, pt, PT_USER); 3313c1e38eaSMarcel Moolenaar if (th->th_tid == -1) 3323c1e38eaSMarcel Moolenaar return (TD_MALLOC); 3333c1e38eaSMarcel Moolenaar pt_unmap_lwp(ta, lwp); 3342ec2da86SDavid Xu th->th_thread = pt; 3353c1e38eaSMarcel Moolenaar return (TD_OK); 3363c1e38eaSMarcel Moolenaar } 3373c1e38eaSMarcel Moolenaar 3383c1e38eaSMarcel Moolenaar /* get next thread */ 3393c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, 340cd980d46SDavid Xu pt + ta->thread_off_next, 3413c1e38eaSMarcel Moolenaar &pt, sizeof(pt)); 3423c1e38eaSMarcel Moolenaar if (ret != 0) 3433c1e38eaSMarcel Moolenaar return (P2T(ret)); 3443c1e38eaSMarcel Moolenaar } 3453c1e38eaSMarcel Moolenaar 3463c1e38eaSMarcel Moolenaar return (TD_NOTHR); 3473c1e38eaSMarcel Moolenaar } 3483c1e38eaSMarcel Moolenaar 3493c1e38eaSMarcel Moolenaar static td_err_e 3503c1e38eaSMarcel Moolenaar pt_ta_thr_iter(const td_thragent_t *ta, 3513c1e38eaSMarcel Moolenaar td_thr_iter_f *callback, void *cbdata_p, 3523c1e38eaSMarcel Moolenaar td_thr_state_e state, int ti_pri, 3533c1e38eaSMarcel Moolenaar sigset_t *ti_sigmask_p, 3543c1e38eaSMarcel Moolenaar unsigned int ti_user_flags) 3553c1e38eaSMarcel Moolenaar { 3563c1e38eaSMarcel Moolenaar TAILQ_HEAD(, pthread) thread_list; 3573c1e38eaSMarcel Moolenaar td_thrhandle_t th; 3583c1e38eaSMarcel Moolenaar psaddr_t pt; 3593c1e38eaSMarcel Moolenaar ps_err_e pserr; 3603c1e38eaSMarcel Moolenaar int activated; 3613c1e38eaSMarcel Moolenaar 3623c1e38eaSMarcel Moolenaar TDBG_FUNC(); 3633c1e38eaSMarcel Moolenaar 3643c1e38eaSMarcel Moolenaar pserr = ps_pread(ta->ph, ta->thread_activated_addr, &activated, 3653c1e38eaSMarcel Moolenaar sizeof(int)); 3663c1e38eaSMarcel Moolenaar if (pserr != PS_OK) 3673c1e38eaSMarcel Moolenaar return (P2T(pserr)); 3683c1e38eaSMarcel Moolenaar if (!activated) 3693c1e38eaSMarcel Moolenaar return (TD_OK); 3703c1e38eaSMarcel Moolenaar 3713c1e38eaSMarcel Moolenaar pserr = ps_pread(ta->ph, ta->thread_list_addr, &thread_list, 3723c1e38eaSMarcel Moolenaar sizeof(thread_list)); 3733c1e38eaSMarcel Moolenaar if (pserr != 0) 3743c1e38eaSMarcel Moolenaar return (P2T(pserr)); 3753c1e38eaSMarcel Moolenaar pt = (psaddr_t)thread_list.tqh_first; 3763c1e38eaSMarcel Moolenaar while (pt != 0) { 3773c1e38eaSMarcel Moolenaar th.th_ta = ta; 3783c1e38eaSMarcel Moolenaar th.th_tid = pt_map_thread(ta, pt, PT_USER); 3792ec2da86SDavid Xu th.th_thread = pt; 3803c1e38eaSMarcel Moolenaar /* should we unmap lwp here ? */ 3813c1e38eaSMarcel Moolenaar if (th.th_tid == -1) 3823c1e38eaSMarcel Moolenaar return (TD_MALLOC); 3833c1e38eaSMarcel Moolenaar if ((*callback)(&th, cbdata_p)) 3843c1e38eaSMarcel Moolenaar return (TD_DBERR); 3853c1e38eaSMarcel Moolenaar /* get next thread */ 3863c1e38eaSMarcel Moolenaar pserr = ps_pread(ta->ph, 387cd980d46SDavid Xu pt + ta->thread_off_next, &pt, 3883c1e38eaSMarcel Moolenaar sizeof(pt)); 3893c1e38eaSMarcel Moolenaar if (pserr != PS_OK) 3903c1e38eaSMarcel Moolenaar return (P2T(pserr)); 3913c1e38eaSMarcel Moolenaar } 3923c1e38eaSMarcel Moolenaar return (TD_OK); 3933c1e38eaSMarcel Moolenaar } 3943c1e38eaSMarcel Moolenaar 3953c1e38eaSMarcel Moolenaar static td_err_e 3963c1e38eaSMarcel Moolenaar pt_ta_tsd_iter(const td_thragent_t *ta, td_key_iter_f *ki, void *arg) 3973c1e38eaSMarcel Moolenaar { 398cd980d46SDavid Xu char *keytable; 399cd980d46SDavid Xu void *destructor; 400cd980d46SDavid Xu int i, ret, allocated; 4013c1e38eaSMarcel Moolenaar 4023c1e38eaSMarcel Moolenaar TDBG_FUNC(); 4033c1e38eaSMarcel Moolenaar 404cd980d46SDavid Xu keytable = malloc(ta->thread_max_keys * ta->thread_size_key); 405cd980d46SDavid Xu if (keytable == NULL) 406cd980d46SDavid Xu return (TD_MALLOC); 4073c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, (psaddr_t)ta->thread_keytable_addr, keytable, 408cd980d46SDavid Xu ta->thread_max_keys * ta->thread_size_key); 4092eb43a64SDavid Xu if (ret != 0) { 4102eb43a64SDavid Xu free(keytable); 4113c1e38eaSMarcel Moolenaar return (P2T(ret)); 4122eb43a64SDavid Xu } 413cd980d46SDavid Xu for (i = 0; i < ta->thread_max_keys; i++) { 414cd980d46SDavid Xu allocated = *(int *)(keytable + i * ta->thread_size_key + 415cd980d46SDavid Xu ta->thread_off_key_allocated); 416cd980d46SDavid Xu destructor = *(void **)(keytable + i * ta->thread_size_key + 417cd980d46SDavid Xu ta->thread_off_key_destructor); 418cd980d46SDavid Xu if (allocated) { 419cd980d46SDavid Xu ret = (ki)(i, destructor, arg); 420cd980d46SDavid Xu if (ret != 0) { 421cd980d46SDavid Xu free(keytable); 4223c1e38eaSMarcel Moolenaar return (TD_DBERR); 4233c1e38eaSMarcel Moolenaar } 4243c1e38eaSMarcel Moolenaar } 425cd980d46SDavid Xu } 426cd980d46SDavid Xu free(keytable); 4273c1e38eaSMarcel Moolenaar return (TD_OK); 4283c1e38eaSMarcel Moolenaar } 4293c1e38eaSMarcel Moolenaar 4303c1e38eaSMarcel Moolenaar static td_err_e 4313c1e38eaSMarcel Moolenaar pt_ta_event_addr(const td_thragent_t *ta, td_event_e event, td_notify_t *ptr) 4323c1e38eaSMarcel Moolenaar { 4333c1e38eaSMarcel Moolenaar TDBG_FUNC(); 434a80845eaSDavid Xu return (TD_ERR); 4353c1e38eaSMarcel Moolenaar } 4363c1e38eaSMarcel Moolenaar 4373c1e38eaSMarcel Moolenaar static td_err_e 4383c1e38eaSMarcel Moolenaar pt_ta_set_event(const td_thragent_t *ta, td_thr_events_t *events) 4393c1e38eaSMarcel Moolenaar { 4403c1e38eaSMarcel Moolenaar TDBG_FUNC(); 441a80845eaSDavid Xu return (0); 4423c1e38eaSMarcel Moolenaar } 4433c1e38eaSMarcel Moolenaar 4443c1e38eaSMarcel Moolenaar static td_err_e 4453c1e38eaSMarcel Moolenaar pt_ta_clear_event(const td_thragent_t *ta, td_thr_events_t *events) 4463c1e38eaSMarcel Moolenaar { 4473c1e38eaSMarcel Moolenaar TDBG_FUNC(); 448a80845eaSDavid Xu return (0); 4493c1e38eaSMarcel Moolenaar } 4503c1e38eaSMarcel Moolenaar 4513c1e38eaSMarcel Moolenaar static td_err_e 4523c1e38eaSMarcel Moolenaar pt_ta_event_getmsg(const td_thragent_t *ta, td_event_msg_t *msg) 4533c1e38eaSMarcel Moolenaar { 4543c1e38eaSMarcel Moolenaar TDBG_FUNC(); 4553c1e38eaSMarcel Moolenaar return (TD_NOMSG); 4563c1e38eaSMarcel Moolenaar } 4573c1e38eaSMarcel Moolenaar 4583c1e38eaSMarcel Moolenaar static td_err_e 459447d36ecSDavid Xu pt_dbsuspend(const td_thrhandle_t *th, int suspend) 460447d36ecSDavid Xu { 461447d36ecSDavid Xu td_thragent_t *ta = (td_thragent_t *)th->th_ta; 462447d36ecSDavid Xu psaddr_t tcb_addr, tmbx_addr, ptr; 463447d36ecSDavid Xu lwpid_t lwp; 464447d36ecSDavid Xu uint32_t dflags; 4653e93cc3aSDavid Xu int attrflags, locklevel, ret; 466447d36ecSDavid Xu 467447d36ecSDavid Xu TDBG_FUNC(); 468447d36ecSDavid Xu 469447d36ecSDavid Xu ret = pt_validate(th); 470447d36ecSDavid Xu if (ret) 471447d36ecSDavid Xu return (ret); 472447d36ecSDavid Xu 473447d36ecSDavid Xu if (ta->map[th->th_tid].type == PT_LWP) { 474447d36ecSDavid Xu if (suspend) 475447d36ecSDavid Xu ret = ps_lstop(ta->ph, ta->map[th->th_tid].lwp); 476447d36ecSDavid Xu else 477447d36ecSDavid Xu ret = ps_lcontinue(ta->ph, ta->map[th->th_tid].lwp); 478447d36ecSDavid Xu return (P2T(ret)); 479447d36ecSDavid Xu } 480447d36ecSDavid Xu 481447d36ecSDavid Xu ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + 482cd980d46SDavid Xu ta->thread_off_attr_flags, 483447d36ecSDavid Xu &attrflags, sizeof(attrflags)); 484447d36ecSDavid Xu if (ret != 0) 485447d36ecSDavid Xu return (P2T(ret)); 486447d36ecSDavid Xu ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + 487cd980d46SDavid Xu ta->thread_off_tcb, 488447d36ecSDavid Xu &tcb_addr, sizeof(tcb_addr)); 489447d36ecSDavid Xu if (ret != 0) 490447d36ecSDavid Xu return (P2T(ret)); 491cd980d46SDavid Xu tmbx_addr = tcb_addr + ta->thread_off_tmbx; 492447d36ecSDavid Xu ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp); 493447d36ecSDavid Xu ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t)); 494447d36ecSDavid Xu if (ret != 0) 495447d36ecSDavid Xu return (P2T(ret)); 4963e93cc3aSDavid Xu 4973e93cc3aSDavid Xu if (lwp != 0) { 4983e93cc3aSDavid Xu /* don't suspend signal thread */ 499cd980d46SDavid Xu if (attrflags & 0x200) 5003e93cc3aSDavid Xu return (0); 5013e93cc3aSDavid Xu if (attrflags & PTHREAD_SCOPE_SYSTEM) { 5023e93cc3aSDavid Xu /* 5033e93cc3aSDavid Xu * don't suspend system scope thread if it is holding 5043e93cc3aSDavid Xu * some low level locks 5053e93cc3aSDavid Xu */ 506cd980d46SDavid Xu ptr = ta->map[th->th_tid].thr + ta->thread_off_kse; 507447d36ecSDavid Xu ret = ps_pread(ta->ph, ptr, &ptr, sizeof(ptr)); 508447d36ecSDavid Xu if (ret != 0) 509447d36ecSDavid Xu return (P2T(ret)); 510cd980d46SDavid Xu ret = ps_pread(ta->ph, ptr + ta->thread_off_kse_locklevel, 511cd980d46SDavid Xu &locklevel, sizeof(int)); 512447d36ecSDavid Xu if (ret != 0) 513447d36ecSDavid Xu return (P2T(ret)); 5143e93cc3aSDavid Xu if (locklevel <= 0) { 5153e93cc3aSDavid Xu ptr = ta->map[th->th_tid].thr + 516cd980d46SDavid Xu ta->thread_off_thr_locklevel; 5173e93cc3aSDavid Xu ret = ps_pread(ta->ph, ptr, &locklevel, 5183e93cc3aSDavid Xu sizeof(int)); 519447d36ecSDavid Xu if (ret != 0) 520447d36ecSDavid Xu return (P2T(ret)); 521447d36ecSDavid Xu } 5223e93cc3aSDavid Xu if (suspend) { 5233e93cc3aSDavid Xu if (locklevel <= 0) 5243e93cc3aSDavid Xu ret = ps_lstop(ta->ph, lwp); 5253e93cc3aSDavid Xu } else { 5263e93cc3aSDavid Xu ret = ps_lcontinue(ta->ph, lwp); 5273e93cc3aSDavid Xu } 5283e93cc3aSDavid Xu if (ret != 0) 5293e93cc3aSDavid Xu return (P2T(ret)); 530447d36ecSDavid Xu /* FALLTHROUGH */ 5313e93cc3aSDavid Xu } else { 5323e93cc3aSDavid Xu struct ptrace_lwpinfo pl; 5333e93cc3aSDavid Xu 5346ff81bf5SDavid Xu if (ps_linfo(ta->ph, lwp, (caddr_t)&pl)) 5353e93cc3aSDavid Xu return (TD_ERR); 5363e93cc3aSDavid Xu if (suspend) { 5373e93cc3aSDavid Xu if (!(pl.pl_flags & PL_FLAG_BOUND)) 5383e93cc3aSDavid Xu ret = ps_lstop(ta->ph, lwp); 5393e93cc3aSDavid Xu } else { 5403e93cc3aSDavid Xu ret = ps_lcontinue(ta->ph, lwp); 5413e93cc3aSDavid Xu } 5423e93cc3aSDavid Xu if (ret != 0) 5433e93cc3aSDavid Xu return (P2T(ret)); 5443e93cc3aSDavid Xu /* FALLTHROUGH */ 5453e93cc3aSDavid Xu } 546447d36ecSDavid Xu } 547447d36ecSDavid Xu /* read tm_dflags */ 548447d36ecSDavid Xu ret = ps_pread(ta->ph, 549447d36ecSDavid Xu tmbx_addr + offsetof(struct kse_thr_mailbox, tm_dflags), 550447d36ecSDavid Xu &dflags, sizeof(dflags)); 551447d36ecSDavid Xu if (ret != 0) 552447d36ecSDavid Xu return (P2T(ret)); 553447d36ecSDavid Xu if (suspend) 5544513fb36SDavid Xu dflags |= TMDF_SUSPEND; 555447d36ecSDavid Xu else 5564513fb36SDavid Xu dflags &= ~TMDF_SUSPEND; 557447d36ecSDavid Xu ret = ps_pwrite(ta->ph, 558447d36ecSDavid Xu tmbx_addr + offsetof(struct kse_thr_mailbox, tm_dflags), 559447d36ecSDavid Xu &dflags, sizeof(dflags)); 560447d36ecSDavid Xu return (P2T(ret)); 561447d36ecSDavid Xu } 562447d36ecSDavid Xu 563447d36ecSDavid Xu static td_err_e 5643c1e38eaSMarcel Moolenaar pt_thr_dbresume(const td_thrhandle_t *th) 5653c1e38eaSMarcel Moolenaar { 5663c1e38eaSMarcel Moolenaar TDBG_FUNC(); 567447d36ecSDavid Xu 568447d36ecSDavid Xu return pt_dbsuspend(th, 0); 5693c1e38eaSMarcel Moolenaar } 5703c1e38eaSMarcel Moolenaar 5713c1e38eaSMarcel Moolenaar static td_err_e 5723c1e38eaSMarcel Moolenaar pt_thr_dbsuspend(const td_thrhandle_t *th) 5733c1e38eaSMarcel Moolenaar { 5743c1e38eaSMarcel Moolenaar TDBG_FUNC(); 575447d36ecSDavid Xu 576447d36ecSDavid Xu return pt_dbsuspend(th, 1); 5773c1e38eaSMarcel Moolenaar } 5783c1e38eaSMarcel Moolenaar 5793c1e38eaSMarcel Moolenaar static td_err_e 5803c1e38eaSMarcel Moolenaar pt_thr_validate(const td_thrhandle_t *th) 5813c1e38eaSMarcel Moolenaar { 5823c1e38eaSMarcel Moolenaar td_thrhandle_t temp; 5833c1e38eaSMarcel Moolenaar int ret; 5843c1e38eaSMarcel Moolenaar 5853c1e38eaSMarcel Moolenaar TDBG_FUNC(); 5863c1e38eaSMarcel Moolenaar 5873c1e38eaSMarcel Moolenaar ret = pt_ta_map_id2thr(th->th_ta, th->th_tid, 5883c1e38eaSMarcel Moolenaar &temp); 589447d36ecSDavid Xu return (ret); 5903c1e38eaSMarcel Moolenaar } 5913c1e38eaSMarcel Moolenaar 5923c1e38eaSMarcel Moolenaar static td_err_e 5933c1e38eaSMarcel Moolenaar pt_thr_get_info(const td_thrhandle_t *th, td_thrinfo_t *info) 5943c1e38eaSMarcel Moolenaar { 5953c1e38eaSMarcel Moolenaar const td_thragent_t *ta = th->th_ta; 5962ed66c93SDavid Xu struct ptrace_lwpinfo linfo; 597cd980d46SDavid Xu psaddr_t tcb_addr; 598447d36ecSDavid Xu uint32_t dflags; 5992ed66c93SDavid Xu lwpid_t lwp; 600cd980d46SDavid Xu int state; 601cd980d46SDavid Xu int ret; 6022ed66c93SDavid Xu int attrflags; 6033c1e38eaSMarcel Moolenaar 6043c1e38eaSMarcel Moolenaar TDBG_FUNC(); 6053c1e38eaSMarcel Moolenaar 60683154c48SDavid Xu bzero(info, sizeof(*info)); 6073c1e38eaSMarcel Moolenaar ret = pt_validate(th); 6083c1e38eaSMarcel Moolenaar if (ret) 6093c1e38eaSMarcel Moolenaar return (ret); 6103c1e38eaSMarcel Moolenaar 6113c1e38eaSMarcel Moolenaar memset(info, 0, sizeof(*info)); 6123c1e38eaSMarcel Moolenaar if (ta->map[th->th_tid].type == PT_LWP) { 6133c1e38eaSMarcel Moolenaar info->ti_type = TD_THR_SYSTEM; 6143c1e38eaSMarcel Moolenaar info->ti_lid = ta->map[th->th_tid].lwp; 6153c1e38eaSMarcel Moolenaar info->ti_tid = th->th_tid; 6163c1e38eaSMarcel Moolenaar info->ti_state = TD_THR_RUN; 6173c1e38eaSMarcel Moolenaar info->ti_type = TD_THR_SYSTEM; 6183c1e38eaSMarcel Moolenaar return (TD_OK); 6193c1e38eaSMarcel Moolenaar } 6202ed66c93SDavid Xu 6212ed66c93SDavid Xu ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + 6222ed66c93SDavid Xu ta->thread_off_attr_flags, 6232ed66c93SDavid Xu &attrflags, sizeof(attrflags)); 6242ed66c93SDavid Xu if (ret != 0) 6252ed66c93SDavid Xu return (P2T(ret)); 626cd980d46SDavid Xu ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + ta->thread_off_tcb, 627cd980d46SDavid Xu &tcb_addr, sizeof(tcb_addr)); 6283c1e38eaSMarcel Moolenaar if (ret != 0) 6293c1e38eaSMarcel Moolenaar return (P2T(ret)); 630cd980d46SDavid Xu ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + ta->thread_off_state, 631cd980d46SDavid Xu &state, sizeof(state)); 6323c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, 633cd980d46SDavid Xu tcb_addr + ta->thread_off_tmbx + 634cd980d46SDavid Xu offsetof(struct kse_thr_mailbox, tm_lwp), 6353c1e38eaSMarcel Moolenaar &info->ti_lid, sizeof(lwpid_t)); 6363c1e38eaSMarcel Moolenaar if (ret != 0) 6373c1e38eaSMarcel Moolenaar return (P2T(ret)); 638447d36ecSDavid Xu ret = ps_pread(ta->ph, 639cd980d46SDavid Xu tcb_addr + ta->thread_off_tmbx + 640cd980d46SDavid Xu offsetof(struct kse_thr_mailbox, tm_dflags), 641447d36ecSDavid Xu &dflags, sizeof(dflags)); 642447d36ecSDavid Xu if (ret != 0) 643447d36ecSDavid Xu return (P2T(ret)); 6442ed66c93SDavid Xu ret = ps_pread(ta->ph, tcb_addr + ta->thread_off_tmbx + 6452ed66c93SDavid Xu offsetof(struct kse_thr_mailbox, tm_lwp), &lwp, sizeof(lwpid_t)); 6462ed66c93SDavid Xu if (ret != 0) 6472ed66c93SDavid Xu return (P2T(ret)); 6483c1e38eaSMarcel Moolenaar info->ti_ta_p = th->th_ta; 6493c1e38eaSMarcel Moolenaar info->ti_tid = th->th_tid; 6502ed66c93SDavid Xu 6512ed66c93SDavid Xu if (attrflags & PTHREAD_SCOPE_SYSTEM) { 6522ed66c93SDavid Xu ret = ps_linfo(ta->ph, lwp, &linfo); 6532ed66c93SDavid Xu if (ret == PS_OK) { 6542ed66c93SDavid Xu info->ti_sigmask = linfo.pl_sigmask; 6552ed66c93SDavid Xu info->ti_pending = linfo.pl_siglist; 6562ed66c93SDavid Xu } else 6572ed66c93SDavid Xu return (ret); 6582ed66c93SDavid Xu } else { 6592ed66c93SDavid Xu ret = ps_pread(ta->ph, 6602ed66c93SDavid Xu ta->map[th->th_tid].thr + ta->thread_off_sigmask, 6612ed66c93SDavid Xu &info->ti_sigmask, sizeof(sigset_t)); 6622ed66c93SDavid Xu if (ret) 6632ed66c93SDavid Xu return (ret); 6642ed66c93SDavid Xu ret = ps_pread(ta->ph, 6652ed66c93SDavid Xu ta->map[th->th_tid].thr + ta->thread_off_sigpend, 6662ed66c93SDavid Xu &info->ti_pending, sizeof(sigset_t)); 6672ed66c93SDavid Xu if (ret) 6682ed66c93SDavid Xu return (ret); 6692ed66c93SDavid Xu } 6702ed66c93SDavid Xu 671cd980d46SDavid Xu if (state == ta->thread_state_running) 6723c1e38eaSMarcel Moolenaar info->ti_state = TD_THR_RUN; 673cd980d46SDavid Xu else if (state == ta->thread_state_zoombie) 6743c1e38eaSMarcel Moolenaar info->ti_state = TD_THR_ZOMBIE; 675cd980d46SDavid Xu else 676cd980d46SDavid Xu info->ti_state = TD_THR_SLEEP; 6774513fb36SDavid Xu info->ti_db_suspended = ((dflags & TMDF_SUSPEND) != 0); 6783c1e38eaSMarcel Moolenaar info->ti_type = TD_THR_USER; 6793c1e38eaSMarcel Moolenaar return (0); 6803c1e38eaSMarcel Moolenaar } 6813c1e38eaSMarcel Moolenaar 6828d7681bbSDoug Rabson #ifdef __i386__ 6838d7681bbSDoug Rabson static td_err_e 6848d7681bbSDoug Rabson pt_thr_getxmmregs(const td_thrhandle_t *th, char *fxsave) 6858d7681bbSDoug Rabson { 6868d7681bbSDoug Rabson const td_thragent_t *ta = th->th_ta; 6878d7681bbSDoug Rabson struct kse_thr_mailbox tmbx; 6888d7681bbSDoug Rabson psaddr_t tcb_addr, tmbx_addr, ptr; 6898d7681bbSDoug Rabson lwpid_t lwp; 6908d7681bbSDoug Rabson int ret; 6918d7681bbSDoug Rabson 6928d7681bbSDoug Rabson return TD_ERR; 6938d7681bbSDoug Rabson 6948d7681bbSDoug Rabson TDBG_FUNC(); 6958d7681bbSDoug Rabson 6968d7681bbSDoug Rabson ret = pt_validate(th); 6978d7681bbSDoug Rabson if (ret) 6988d7681bbSDoug Rabson return (ret); 6998d7681bbSDoug Rabson 7008d7681bbSDoug Rabson if (ta->map[th->th_tid].type == PT_LWP) { 7018d7681bbSDoug Rabson ret = ps_lgetxmmregs(ta->ph, ta->map[th->th_tid].lwp, fxsave); 7028d7681bbSDoug Rabson return (P2T(ret)); 7038d7681bbSDoug Rabson } 7048d7681bbSDoug Rabson 7058d7681bbSDoug Rabson ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + ta->thread_off_tcb, 7068d7681bbSDoug Rabson &tcb_addr, sizeof(tcb_addr)); 7078d7681bbSDoug Rabson if (ret != 0) 7088d7681bbSDoug Rabson return (P2T(ret)); 7098d7681bbSDoug Rabson tmbx_addr = tcb_addr + ta->thread_off_tmbx; 7108d7681bbSDoug Rabson ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp); 7118d7681bbSDoug Rabson ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t)); 7128d7681bbSDoug Rabson if (ret != 0) 7138d7681bbSDoug Rabson return (P2T(ret)); 7148d7681bbSDoug Rabson if (lwp != 0) { 7158d7681bbSDoug Rabson ret = ps_lgetxmmregs(ta->ph, lwp, fxsave); 7168d7681bbSDoug Rabson return (P2T(ret)); 7178d7681bbSDoug Rabson } 7188d7681bbSDoug Rabson 7198d7681bbSDoug Rabson ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 7208d7681bbSDoug Rabson if (ret != 0) 7218d7681bbSDoug Rabson return (P2T(ret)); 7228d7681bbSDoug Rabson pt_ucontext_to_fxsave(&tmbx.tm_context, fxsave); 7238d7681bbSDoug Rabson return (0); 7248d7681bbSDoug Rabson } 7258d7681bbSDoug Rabson #endif 7268d7681bbSDoug Rabson 7273c1e38eaSMarcel Moolenaar static td_err_e 7283c1e38eaSMarcel Moolenaar pt_thr_getfpregs(const td_thrhandle_t *th, prfpregset_t *fpregs) 7293c1e38eaSMarcel Moolenaar { 7303c1e38eaSMarcel Moolenaar const td_thragent_t *ta = th->th_ta; 7313c1e38eaSMarcel Moolenaar struct kse_thr_mailbox tmbx; 7323c1e38eaSMarcel Moolenaar psaddr_t tcb_addr, tmbx_addr, ptr; 7333c1e38eaSMarcel Moolenaar lwpid_t lwp; 7343c1e38eaSMarcel Moolenaar int ret; 7353c1e38eaSMarcel Moolenaar 7363c1e38eaSMarcel Moolenaar TDBG_FUNC(); 7373c1e38eaSMarcel Moolenaar 7383c1e38eaSMarcel Moolenaar ret = pt_validate(th); 7393c1e38eaSMarcel Moolenaar if (ret) 7403c1e38eaSMarcel Moolenaar return (ret); 7413c1e38eaSMarcel Moolenaar 7423c1e38eaSMarcel Moolenaar if (ta->map[th->th_tid].type == PT_LWP) { 7433c1e38eaSMarcel Moolenaar ret = ps_lgetfpregs(ta->ph, ta->map[th->th_tid].lwp, fpregs); 7443c1e38eaSMarcel Moolenaar return (P2T(ret)); 7453c1e38eaSMarcel Moolenaar } 7463c1e38eaSMarcel Moolenaar 747cd980d46SDavid Xu ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + ta->thread_off_tcb, 7483c1e38eaSMarcel Moolenaar &tcb_addr, sizeof(tcb_addr)); 7493c1e38eaSMarcel Moolenaar if (ret != 0) 7503c1e38eaSMarcel Moolenaar return (P2T(ret)); 751cd980d46SDavid Xu tmbx_addr = tcb_addr + ta->thread_off_tmbx; 7523c1e38eaSMarcel Moolenaar ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp); 7533c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t)); 7543c1e38eaSMarcel Moolenaar if (ret != 0) 7553c1e38eaSMarcel Moolenaar return (P2T(ret)); 7563c1e38eaSMarcel Moolenaar if (lwp != 0) { 7573c1e38eaSMarcel Moolenaar ret = ps_lgetfpregs(ta->ph, lwp, fpregs); 7583c1e38eaSMarcel Moolenaar return (P2T(ret)); 7593c1e38eaSMarcel Moolenaar } 7603c1e38eaSMarcel Moolenaar 7613c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 7623c1e38eaSMarcel Moolenaar if (ret != 0) 7633c1e38eaSMarcel Moolenaar return (P2T(ret)); 7643c1e38eaSMarcel Moolenaar pt_ucontext_to_fpreg(&tmbx.tm_context, fpregs); 7653c1e38eaSMarcel Moolenaar return (0); 7663c1e38eaSMarcel Moolenaar } 7673c1e38eaSMarcel Moolenaar 7683c1e38eaSMarcel Moolenaar static td_err_e 7693c1e38eaSMarcel Moolenaar pt_thr_getgregs(const td_thrhandle_t *th, prgregset_t gregs) 7703c1e38eaSMarcel Moolenaar { 7713c1e38eaSMarcel Moolenaar const td_thragent_t *ta = th->th_ta; 7723c1e38eaSMarcel Moolenaar struct kse_thr_mailbox tmbx; 7733c1e38eaSMarcel Moolenaar psaddr_t tcb_addr, tmbx_addr, ptr; 7743c1e38eaSMarcel Moolenaar lwpid_t lwp; 7753c1e38eaSMarcel Moolenaar int ret; 7763c1e38eaSMarcel Moolenaar 7773c1e38eaSMarcel Moolenaar TDBG_FUNC(); 7783c1e38eaSMarcel Moolenaar 7793c1e38eaSMarcel Moolenaar ret = pt_validate(th); 7803c1e38eaSMarcel Moolenaar if (ret) 7813c1e38eaSMarcel Moolenaar return (ret); 7823c1e38eaSMarcel Moolenaar 7833c1e38eaSMarcel Moolenaar if (ta->map[th->th_tid].type == PT_LWP) { 7843c1e38eaSMarcel Moolenaar ret = ps_lgetregs(ta->ph, 7853c1e38eaSMarcel Moolenaar ta->map[th->th_tid].lwp, gregs); 7863c1e38eaSMarcel Moolenaar return (P2T(ret)); 7873c1e38eaSMarcel Moolenaar } 7883c1e38eaSMarcel Moolenaar 789cd980d46SDavid Xu ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + ta->thread_off_tcb, 7903c1e38eaSMarcel Moolenaar &tcb_addr, sizeof(tcb_addr)); 7913c1e38eaSMarcel Moolenaar if (ret != 0) 7923c1e38eaSMarcel Moolenaar return (P2T(ret)); 793cd980d46SDavid Xu tmbx_addr = tcb_addr + ta->thread_off_tmbx; 7943c1e38eaSMarcel Moolenaar ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp); 7953c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t)); 7963c1e38eaSMarcel Moolenaar if (ret != 0) 7973c1e38eaSMarcel Moolenaar return (P2T(ret)); 7983c1e38eaSMarcel Moolenaar if (lwp != 0) { 7993c1e38eaSMarcel Moolenaar ret = ps_lgetregs(ta->ph, lwp, gregs); 8003c1e38eaSMarcel Moolenaar return (P2T(ret)); 8013c1e38eaSMarcel Moolenaar } 8023c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 8033c1e38eaSMarcel Moolenaar if (ret != 0) 8043c1e38eaSMarcel Moolenaar return (P2T(ret)); 8053c1e38eaSMarcel Moolenaar pt_ucontext_to_reg(&tmbx.tm_context, gregs); 8063c1e38eaSMarcel Moolenaar return (0); 8073c1e38eaSMarcel Moolenaar } 8083c1e38eaSMarcel Moolenaar 8098d7681bbSDoug Rabson #ifdef __i386__ 8108d7681bbSDoug Rabson static td_err_e 8118d7681bbSDoug Rabson pt_thr_setxmmregs(const td_thrhandle_t *th, const char *fxsave) 8128d7681bbSDoug Rabson { 8138d7681bbSDoug Rabson const td_thragent_t *ta = th->th_ta; 8148d7681bbSDoug Rabson struct kse_thr_mailbox tmbx; 8158d7681bbSDoug Rabson psaddr_t tcb_addr, tmbx_addr, ptr; 8168d7681bbSDoug Rabson lwpid_t lwp; 8178d7681bbSDoug Rabson int ret; 8188d7681bbSDoug Rabson 8198d7681bbSDoug Rabson return TD_ERR; 8208d7681bbSDoug Rabson 8218d7681bbSDoug Rabson TDBG_FUNC(); 8228d7681bbSDoug Rabson 8238d7681bbSDoug Rabson ret = pt_validate(th); 8248d7681bbSDoug Rabson if (ret) 8258d7681bbSDoug Rabson return (ret); 8268d7681bbSDoug Rabson 8278d7681bbSDoug Rabson if (ta->map[th->th_tid].type == PT_LWP) { 8288d7681bbSDoug Rabson ret = ps_lsetxmmregs(ta->ph, ta->map[th->th_tid].lwp, fxsave); 8298d7681bbSDoug Rabson return (P2T(ret)); 8308d7681bbSDoug Rabson } 8318d7681bbSDoug Rabson 8328d7681bbSDoug Rabson ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + 8338d7681bbSDoug Rabson ta->thread_off_tcb, 8348d7681bbSDoug Rabson &tcb_addr, sizeof(tcb_addr)); 8358d7681bbSDoug Rabson if (ret != 0) 8368d7681bbSDoug Rabson return (P2T(ret)); 8378d7681bbSDoug Rabson tmbx_addr = tcb_addr + ta->thread_off_tmbx; 8388d7681bbSDoug Rabson ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp); 8398d7681bbSDoug Rabson ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t)); 8408d7681bbSDoug Rabson if (ret != 0) 8418d7681bbSDoug Rabson return (P2T(ret)); 8428d7681bbSDoug Rabson if (lwp != 0) { 8438d7681bbSDoug Rabson ret = ps_lsetxmmregs(ta->ph, lwp, fxsave); 8448d7681bbSDoug Rabson return (P2T(ret)); 8458d7681bbSDoug Rabson } 8468d7681bbSDoug Rabson /* 8478d7681bbSDoug Rabson * Read a copy of context, this makes sure that registers 8488d7681bbSDoug Rabson * not covered by structure reg won't be clobbered 8498d7681bbSDoug Rabson */ 8508d7681bbSDoug Rabson ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 8518d7681bbSDoug Rabson if (ret != 0) 8528d7681bbSDoug Rabson return (P2T(ret)); 8538d7681bbSDoug Rabson 8548d7681bbSDoug Rabson pt_fxsave_to_ucontext(fxsave, &tmbx.tm_context); 8558d7681bbSDoug Rabson ret = ps_pwrite(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 8568d7681bbSDoug Rabson return (P2T(ret)); 8578d7681bbSDoug Rabson } 8588d7681bbSDoug Rabson #endif 8598d7681bbSDoug Rabson 8603c1e38eaSMarcel Moolenaar static td_err_e 8613c1e38eaSMarcel Moolenaar pt_thr_setfpregs(const td_thrhandle_t *th, const prfpregset_t *fpregs) 8623c1e38eaSMarcel Moolenaar { 8633c1e38eaSMarcel Moolenaar const td_thragent_t *ta = th->th_ta; 8643c1e38eaSMarcel Moolenaar struct kse_thr_mailbox tmbx; 8653c1e38eaSMarcel Moolenaar psaddr_t tcb_addr, tmbx_addr, ptr; 8663c1e38eaSMarcel Moolenaar lwpid_t lwp; 8673c1e38eaSMarcel Moolenaar int ret; 8683c1e38eaSMarcel Moolenaar 8693c1e38eaSMarcel Moolenaar TDBG_FUNC(); 8703c1e38eaSMarcel Moolenaar 8713c1e38eaSMarcel Moolenaar ret = pt_validate(th); 8723c1e38eaSMarcel Moolenaar if (ret) 8733c1e38eaSMarcel Moolenaar return (ret); 8743c1e38eaSMarcel Moolenaar 8753c1e38eaSMarcel Moolenaar if (ta->map[th->th_tid].type == PT_LWP) { 8763c1e38eaSMarcel Moolenaar ret = ps_lsetfpregs(ta->ph, ta->map[th->th_tid].lwp, fpregs); 8773c1e38eaSMarcel Moolenaar return (P2T(ret)); 8783c1e38eaSMarcel Moolenaar } 8793c1e38eaSMarcel Moolenaar 8803c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + 881cd980d46SDavid Xu ta->thread_off_tcb, 8823c1e38eaSMarcel Moolenaar &tcb_addr, sizeof(tcb_addr)); 8833c1e38eaSMarcel Moolenaar if (ret != 0) 8843c1e38eaSMarcel Moolenaar return (P2T(ret)); 885cd980d46SDavid Xu tmbx_addr = tcb_addr + ta->thread_off_tmbx; 8863c1e38eaSMarcel Moolenaar ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp); 8873c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t)); 8883c1e38eaSMarcel Moolenaar if (ret != 0) 8893c1e38eaSMarcel Moolenaar return (P2T(ret)); 8903c1e38eaSMarcel Moolenaar if (lwp != 0) { 8913c1e38eaSMarcel Moolenaar ret = ps_lsetfpregs(ta->ph, lwp, fpregs); 8923c1e38eaSMarcel Moolenaar return (P2T(ret)); 8933c1e38eaSMarcel Moolenaar } 8943c1e38eaSMarcel Moolenaar /* 8953c1e38eaSMarcel Moolenaar * Read a copy of context, this makes sure that registers 8963c1e38eaSMarcel Moolenaar * not covered by structure reg won't be clobbered 8973c1e38eaSMarcel Moolenaar */ 8983c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 8993c1e38eaSMarcel Moolenaar if (ret != 0) 9003c1e38eaSMarcel Moolenaar return (P2T(ret)); 9013c1e38eaSMarcel Moolenaar 9023c1e38eaSMarcel Moolenaar pt_fpreg_to_ucontext(fpregs, &tmbx.tm_context); 9033c1e38eaSMarcel Moolenaar ret = ps_pwrite(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 9043c1e38eaSMarcel Moolenaar return (P2T(ret)); 9053c1e38eaSMarcel Moolenaar } 9063c1e38eaSMarcel Moolenaar 9073c1e38eaSMarcel Moolenaar static td_err_e 9083c1e38eaSMarcel Moolenaar pt_thr_setgregs(const td_thrhandle_t *th, const prgregset_t gregs) 9093c1e38eaSMarcel Moolenaar { 9103c1e38eaSMarcel Moolenaar const td_thragent_t *ta = th->th_ta; 9113c1e38eaSMarcel Moolenaar struct kse_thr_mailbox tmbx; 9123c1e38eaSMarcel Moolenaar psaddr_t tcb_addr, tmbx_addr, ptr; 9133c1e38eaSMarcel Moolenaar lwpid_t lwp; 9143c1e38eaSMarcel Moolenaar int ret; 9153c1e38eaSMarcel Moolenaar 9163c1e38eaSMarcel Moolenaar TDBG_FUNC(); 9173c1e38eaSMarcel Moolenaar 9183c1e38eaSMarcel Moolenaar ret = pt_validate(th); 9193c1e38eaSMarcel Moolenaar if (ret) 9203c1e38eaSMarcel Moolenaar return (ret); 9213c1e38eaSMarcel Moolenaar 9223c1e38eaSMarcel Moolenaar if (ta->map[th->th_tid].type == PT_LWP) { 9233c1e38eaSMarcel Moolenaar ret = ps_lsetregs(ta->ph, ta->map[th->th_tid].lwp, gregs); 9243c1e38eaSMarcel Moolenaar return (P2T(ret)); 9253c1e38eaSMarcel Moolenaar } 9263c1e38eaSMarcel Moolenaar 9273c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + 928cd980d46SDavid Xu ta->thread_off_tcb, 9293c1e38eaSMarcel Moolenaar &tcb_addr, sizeof(tcb_addr)); 9303c1e38eaSMarcel Moolenaar if (ret != 0) 9313c1e38eaSMarcel Moolenaar return (P2T(ret)); 932cd980d46SDavid Xu tmbx_addr = tcb_addr + ta->thread_off_tmbx; 9333c1e38eaSMarcel Moolenaar ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp); 9343c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t)); 9353c1e38eaSMarcel Moolenaar if (ret != 0) 9363c1e38eaSMarcel Moolenaar return (P2T(ret)); 9373c1e38eaSMarcel Moolenaar if (lwp != 0) { 9383c1e38eaSMarcel Moolenaar ret = ps_lsetregs(ta->ph, lwp, gregs); 9393c1e38eaSMarcel Moolenaar return (P2T(ret)); 9403c1e38eaSMarcel Moolenaar } 9413c1e38eaSMarcel Moolenaar 9423c1e38eaSMarcel Moolenaar /* 9433c1e38eaSMarcel Moolenaar * Read a copy of context, make sure that registers 9443c1e38eaSMarcel Moolenaar * not covered by structure reg won't be clobbered 9453c1e38eaSMarcel Moolenaar */ 9463c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 9473c1e38eaSMarcel Moolenaar if (ret != 0) 9483c1e38eaSMarcel Moolenaar return (P2T(ret)); 9493c1e38eaSMarcel Moolenaar pt_reg_to_ucontext(gregs, &tmbx.tm_context); 9503c1e38eaSMarcel Moolenaar ret = ps_pwrite(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 9513c1e38eaSMarcel Moolenaar return (P2T(ret)); 9523c1e38eaSMarcel Moolenaar } 9533c1e38eaSMarcel Moolenaar 9543c1e38eaSMarcel Moolenaar static td_err_e 9553c1e38eaSMarcel Moolenaar pt_thr_event_enable(const td_thrhandle_t *th, int en) 9563c1e38eaSMarcel Moolenaar { 9573c1e38eaSMarcel Moolenaar TDBG_FUNC(); 958a80845eaSDavid Xu return (0); 9593c1e38eaSMarcel Moolenaar } 9603c1e38eaSMarcel Moolenaar 9613c1e38eaSMarcel Moolenaar static td_err_e 9623c1e38eaSMarcel Moolenaar pt_thr_set_event(const td_thrhandle_t *th, td_thr_events_t *setp) 9633c1e38eaSMarcel Moolenaar { 9643c1e38eaSMarcel Moolenaar TDBG_FUNC(); 965a80845eaSDavid Xu return (0); 9663c1e38eaSMarcel Moolenaar } 9673c1e38eaSMarcel Moolenaar 9683c1e38eaSMarcel Moolenaar static td_err_e 9693c1e38eaSMarcel Moolenaar pt_thr_clear_event(const td_thrhandle_t *th, td_thr_events_t *setp) 9703c1e38eaSMarcel Moolenaar { 9713c1e38eaSMarcel Moolenaar TDBG_FUNC(); 972a80845eaSDavid Xu return (0); 9733c1e38eaSMarcel Moolenaar } 9743c1e38eaSMarcel Moolenaar 9753c1e38eaSMarcel Moolenaar static td_err_e 9763c1e38eaSMarcel Moolenaar pt_thr_event_getmsg(const td_thrhandle_t *th, td_event_msg_t *msg) 9773c1e38eaSMarcel Moolenaar { 9783c1e38eaSMarcel Moolenaar TDBG_FUNC(); 9793c1e38eaSMarcel Moolenaar return (TD_NOMSG); 9803c1e38eaSMarcel Moolenaar } 9813c1e38eaSMarcel Moolenaar 9823c1e38eaSMarcel Moolenaar static td_err_e 9833c1e38eaSMarcel Moolenaar pt_thr_sstep(const td_thrhandle_t *th, int step) 9843c1e38eaSMarcel Moolenaar { 9853c1e38eaSMarcel Moolenaar const td_thragent_t *ta = th->th_ta; 9863c1e38eaSMarcel Moolenaar struct kse_thr_mailbox tmbx; 9873c1e38eaSMarcel Moolenaar struct reg regs; 9883c1e38eaSMarcel Moolenaar psaddr_t tcb_addr, tmbx_addr; 989447d36ecSDavid Xu uint32_t dflags; 9903c1e38eaSMarcel Moolenaar lwpid_t lwp; 9913c1e38eaSMarcel Moolenaar int ret; 9923c1e38eaSMarcel Moolenaar 9933c1e38eaSMarcel Moolenaar TDBG_FUNC(); 9943c1e38eaSMarcel Moolenaar 9953c1e38eaSMarcel Moolenaar ret = pt_validate(th); 9963c1e38eaSMarcel Moolenaar if (ret) 9973c1e38eaSMarcel Moolenaar return (ret); 9983c1e38eaSMarcel Moolenaar 9993c1e38eaSMarcel Moolenaar if (ta->map[th->th_tid].type == PT_LWP) 10003c1e38eaSMarcel Moolenaar return (TD_BADTH); 10013c1e38eaSMarcel Moolenaar 10023c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + 1003cd980d46SDavid Xu ta->thread_off_tcb, 10043c1e38eaSMarcel Moolenaar &tcb_addr, sizeof(tcb_addr)); 10053c1e38eaSMarcel Moolenaar if (ret != 0) 10063c1e38eaSMarcel Moolenaar return (P2T(ret)); 10073c1e38eaSMarcel Moolenaar 10083c1e38eaSMarcel Moolenaar /* Clear or set single step flag in thread mailbox */ 1009cd980d46SDavid Xu ret = ps_pread(ta->ph, 1010cd980d46SDavid Xu tcb_addr + ta->thread_off_tmbx + 1011cd980d46SDavid Xu offsetof(struct kse_thr_mailbox, tm_dflags), 1012cd980d46SDavid Xu &dflags, sizeof(uint32_t)); 1013447d36ecSDavid Xu if (ret != 0) 1014447d36ecSDavid Xu return (P2T(ret)); 1015447d36ecSDavid Xu if (step != 0) 1016447d36ecSDavid Xu dflags |= TMDF_SSTEP; 1017447d36ecSDavid Xu else 1018447d36ecSDavid Xu dflags &= ~TMDF_SSTEP; 1019cd980d46SDavid Xu ret = ps_pwrite(ta->ph, 1020cd980d46SDavid Xu tcb_addr + ta->thread_off_tmbx + 1021cd980d46SDavid Xu offsetof(struct kse_thr_mailbox, tm_dflags), 1022cd980d46SDavid Xu &dflags, sizeof(uint32_t)); 10233c1e38eaSMarcel Moolenaar if (ret != 0) 10243c1e38eaSMarcel Moolenaar return (P2T(ret)); 10253c1e38eaSMarcel Moolenaar /* Get lwp */ 1026cd980d46SDavid Xu ret = ps_pread(ta->ph, 1027cd980d46SDavid Xu tcb_addr + ta->thread_off_tmbx + 1028cd980d46SDavid Xu offsetof(struct kse_thr_mailbox, tm_lwp), 1029cd980d46SDavid Xu &lwp, sizeof(lwpid_t)); 10303c1e38eaSMarcel Moolenaar if (ret != 0) 10313c1e38eaSMarcel Moolenaar return (P2T(ret)); 10323c1e38eaSMarcel Moolenaar if (lwp != 0) 1033447d36ecSDavid Xu return (0); 10343c1e38eaSMarcel Moolenaar 1035cd980d46SDavid Xu tmbx_addr = tcb_addr + ta->thread_off_tmbx; 10363c1e38eaSMarcel Moolenaar /* 10373c1e38eaSMarcel Moolenaar * context is in userland, some architectures store 10383c1e38eaSMarcel Moolenaar * single step status in registers, we should change 10393c1e38eaSMarcel Moolenaar * these registers. 10403c1e38eaSMarcel Moolenaar */ 10413c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 10423c1e38eaSMarcel Moolenaar if (ret == 0) { 10433c1e38eaSMarcel Moolenaar pt_ucontext_to_reg(&tmbx.tm_context, ®s); 10443c1e38eaSMarcel Moolenaar /* only write out if it is really changed. */ 10453c1e38eaSMarcel Moolenaar if (pt_reg_sstep(®s, step) != 0) { 10463c1e38eaSMarcel Moolenaar pt_reg_to_ucontext(®s, &tmbx.tm_context); 10473c1e38eaSMarcel Moolenaar ret = ps_pwrite(ta->ph, tmbx_addr, &tmbx, 10483c1e38eaSMarcel Moolenaar sizeof(tmbx)); 10493c1e38eaSMarcel Moolenaar } 10503c1e38eaSMarcel Moolenaar } 10513c1e38eaSMarcel Moolenaar return (P2T(ret)); 10523c1e38eaSMarcel Moolenaar } 10533c1e38eaSMarcel Moolenaar 10543c1e38eaSMarcel Moolenaar static void 10553c1e38eaSMarcel Moolenaar pt_unmap_lwp(const td_thragent_t *ta, lwpid_t lwp) 10563c1e38eaSMarcel Moolenaar { 10573c1e38eaSMarcel Moolenaar int i; 10583c1e38eaSMarcel Moolenaar 10593c1e38eaSMarcel Moolenaar for (i = 0; i < ta->map_len; ++i) { 10603c1e38eaSMarcel Moolenaar if (ta->map[i].type == PT_LWP && ta->map[i].lwp == lwp) { 10613c1e38eaSMarcel Moolenaar ta->map[i].type = PT_NONE; 10623c1e38eaSMarcel Moolenaar return; 10633c1e38eaSMarcel Moolenaar } 10643c1e38eaSMarcel Moolenaar } 10653c1e38eaSMarcel Moolenaar } 10663c1e38eaSMarcel Moolenaar 10673c1e38eaSMarcel Moolenaar static int 10683c1e38eaSMarcel Moolenaar pt_validate(const td_thrhandle_t *th) 10693c1e38eaSMarcel Moolenaar { 10703c1e38eaSMarcel Moolenaar 10713c1e38eaSMarcel Moolenaar if (th->th_tid < 0 || th->th_tid >= th->th_ta->map_len || 10723c1e38eaSMarcel Moolenaar th->th_ta->map[th->th_tid].type == PT_NONE) 10733c1e38eaSMarcel Moolenaar return (TD_NOTHR); 10743c1e38eaSMarcel Moolenaar return (TD_OK); 10753c1e38eaSMarcel Moolenaar } 10763c1e38eaSMarcel Moolenaar 10773e93cc3aSDavid Xu td_err_e 10783e93cc3aSDavid Xu pt_thr_tls_get_addr(const td_thrhandle_t *th, void *_linkmap, size_t offset, 10793e93cc3aSDavid Xu void **address) 10803e93cc3aSDavid Xu { 1081cd980d46SDavid Xu char *obj_entry; 10823e93cc3aSDavid Xu const td_thragent_t *ta = th->th_ta; 1083d36dd0b7SPhilippe Charnier psaddr_t tcb_addr, *dtv_addr; 10843e93cc3aSDavid Xu int tls_index, ret; 10853e93cc3aSDavid Xu 10863e93cc3aSDavid Xu /* linkmap is a member of Obj_Entry */ 1087cd980d46SDavid Xu obj_entry = (char *)_linkmap - ta->thread_off_linkmap; 10883e93cc3aSDavid Xu 10893e93cc3aSDavid Xu /* get tlsindex of the object file */ 10903e93cc3aSDavid Xu ret = ps_pread(ta->ph, 1091cd980d46SDavid Xu obj_entry + ta->thread_off_tlsindex, 10923e93cc3aSDavid Xu &tls_index, sizeof(tls_index)); 10933e93cc3aSDavid Xu if (ret != 0) 10943e93cc3aSDavid Xu return (P2T(ret)); 10953e93cc3aSDavid Xu 10963e93cc3aSDavid Xu /* get thread tcb */ 10973e93cc3aSDavid Xu ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + 1098cd980d46SDavid Xu ta->thread_off_tcb, 10993e93cc3aSDavid Xu &tcb_addr, sizeof(tcb_addr)); 11003e93cc3aSDavid Xu if (ret != 0) 11013e93cc3aSDavid Xu return (P2T(ret)); 11023e93cc3aSDavid Xu 11033e93cc3aSDavid Xu /* get dtv array address */ 1104cd980d46SDavid Xu ret = ps_pread(ta->ph, tcb_addr + ta->thread_off_dtv, 11053e93cc3aSDavid Xu &dtv_addr, sizeof(dtv_addr)); 11063e93cc3aSDavid Xu if (ret != 0) 11073e93cc3aSDavid Xu return (P2T(ret)); 11083e93cc3aSDavid Xu /* now get the object's tls block base address */ 11093e93cc3aSDavid Xu ret = ps_pread(ta->ph, &dtv_addr[tls_index+1], address, 11103e93cc3aSDavid Xu sizeof(*address)); 11113e93cc3aSDavid Xu if (ret != 0) 11123e93cc3aSDavid Xu return (P2T(ret)); 11133e93cc3aSDavid Xu 11143e93cc3aSDavid Xu *address += offset; 11153e93cc3aSDavid Xu return (TD_OK); 11163e93cc3aSDavid Xu } 11173e93cc3aSDavid Xu 11183c1e38eaSMarcel Moolenaar struct ta_ops libpthread_db_ops = { 11193c1e38eaSMarcel Moolenaar .to_init = pt_init, 11203c1e38eaSMarcel Moolenaar .to_ta_clear_event = pt_ta_clear_event, 11213c1e38eaSMarcel Moolenaar .to_ta_delete = pt_ta_delete, 11223c1e38eaSMarcel Moolenaar .to_ta_event_addr = pt_ta_event_addr, 11233c1e38eaSMarcel Moolenaar .to_ta_event_getmsg = pt_ta_event_getmsg, 11243c1e38eaSMarcel Moolenaar .to_ta_map_id2thr = pt_ta_map_id2thr, 11253c1e38eaSMarcel Moolenaar .to_ta_map_lwp2thr = pt_ta_map_lwp2thr, 11263c1e38eaSMarcel Moolenaar .to_ta_new = pt_ta_new, 11273c1e38eaSMarcel Moolenaar .to_ta_set_event = pt_ta_set_event, 11283c1e38eaSMarcel Moolenaar .to_ta_thr_iter = pt_ta_thr_iter, 11293c1e38eaSMarcel Moolenaar .to_ta_tsd_iter = pt_ta_tsd_iter, 11303c1e38eaSMarcel Moolenaar .to_thr_clear_event = pt_thr_clear_event, 11313c1e38eaSMarcel Moolenaar .to_thr_dbresume = pt_thr_dbresume, 11323c1e38eaSMarcel Moolenaar .to_thr_dbsuspend = pt_thr_dbsuspend, 11333c1e38eaSMarcel Moolenaar .to_thr_event_enable = pt_thr_event_enable, 11343c1e38eaSMarcel Moolenaar .to_thr_event_getmsg = pt_thr_event_getmsg, 11353c1e38eaSMarcel Moolenaar .to_thr_get_info = pt_thr_get_info, 11363c1e38eaSMarcel Moolenaar .to_thr_getfpregs = pt_thr_getfpregs, 11373c1e38eaSMarcel Moolenaar .to_thr_getgregs = pt_thr_getgregs, 11383c1e38eaSMarcel Moolenaar .to_thr_set_event = pt_thr_set_event, 11393c1e38eaSMarcel Moolenaar .to_thr_setfpregs = pt_thr_setfpregs, 11403c1e38eaSMarcel Moolenaar .to_thr_setgregs = pt_thr_setgregs, 11413c1e38eaSMarcel Moolenaar .to_thr_validate = pt_thr_validate, 11423e93cc3aSDavid Xu .to_thr_tls_get_addr = pt_thr_tls_get_addr, 11433c1e38eaSMarcel Moolenaar 11443c1e38eaSMarcel Moolenaar /* FreeBSD specific extensions. */ 11453c1e38eaSMarcel Moolenaar .to_thr_sstep = pt_thr_sstep, 11468d7681bbSDoug Rabson #ifdef __i386__ 11478d7681bbSDoug Rabson .to_thr_getxmmregs = pt_thr_getxmmregs, 11488d7681bbSDoug Rabson .to_thr_setxmmregs = pt_thr_setxmmregs, 11498d7681bbSDoug Rabson #endif 11503c1e38eaSMarcel Moolenaar }; 115120b94d80SDavid Xu 115220b94d80SDavid Xu DATA_SET(__ta_ops, libpthread_db_ops); 1153