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) { 24316b0c20cSMarcel Moolenaar ret = ps_pread(ta->ph, pt + ta->thread_off_tcb, 2443c1e38eaSMarcel Moolenaar &tcb_addr, sizeof(tcb_addr)); 2453c1e38eaSMarcel Moolenaar if (ret != 0) 2463c1e38eaSMarcel Moolenaar return (P2T(ret)); 2473c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, 248cd980d46SDavid Xu tcb_addr + ta->thread_off_tmbx + 249cd980d46SDavid Xu offsetof(struct kse_thr_mailbox, tm_lwp), 2503c1e38eaSMarcel Moolenaar &lwp, sizeof(lwp)); 2513c1e38eaSMarcel Moolenaar if (ret != 0) 2523c1e38eaSMarcel Moolenaar return (P2T(ret)); 2533c1e38eaSMarcel Moolenaar /* 2543c1e38eaSMarcel Moolenaar * If the lwp was already mapped to userland thread, 2553c1e38eaSMarcel Moolenaar * we shouldn't reference it directly in future. 2563c1e38eaSMarcel Moolenaar */ 2573c1e38eaSMarcel Moolenaar if (lwp == ta->map[id].lwp) { 2583c1e38eaSMarcel Moolenaar ta->map[id].type = PT_NONE; 2593c1e38eaSMarcel Moolenaar return (TD_NOTHR); 2603c1e38eaSMarcel Moolenaar } 2613c1e38eaSMarcel Moolenaar /* get next thread */ 2623c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, 263cd980d46SDavid Xu pt + ta->thread_off_next, 2643c1e38eaSMarcel Moolenaar &pt, sizeof(pt)); 2653c1e38eaSMarcel Moolenaar if (ret != 0) 2663c1e38eaSMarcel Moolenaar return (P2T(ret)); 2673c1e38eaSMarcel Moolenaar } 2683c1e38eaSMarcel Moolenaar /* check lwp */ 2694db106a9SDavid Xu ret = ps_lgetregs(ta->ph, ta->map[id].lwp, gregs); 2704db106a9SDavid Xu if (ret != PS_OK) { 2713c1e38eaSMarcel Moolenaar /* no longer exists */ 2723c1e38eaSMarcel Moolenaar ta->map[id].type = PT_NONE; 2733c1e38eaSMarcel Moolenaar return (TD_NOTHR); 2743c1e38eaSMarcel Moolenaar } 2753c1e38eaSMarcel Moolenaar } else { 2763c1e38eaSMarcel Moolenaar while (pt != 0 && ta->map[id].thr != pt) { 2773c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, 278cd980d46SDavid Xu pt + ta->thread_off_tcb, 2793c1e38eaSMarcel Moolenaar &tcb_addr, sizeof(tcb_addr)); 2803c1e38eaSMarcel Moolenaar if (ret != 0) 2813c1e38eaSMarcel Moolenaar return (P2T(ret)); 2823c1e38eaSMarcel Moolenaar /* get next thread */ 2833c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, 284cd980d46SDavid Xu pt + ta->thread_off_next, 2853c1e38eaSMarcel Moolenaar &pt, sizeof(pt)); 2863c1e38eaSMarcel Moolenaar if (ret != 0) 2873c1e38eaSMarcel Moolenaar return (P2T(ret)); 2883c1e38eaSMarcel Moolenaar } 2893c1e38eaSMarcel Moolenaar 2903c1e38eaSMarcel Moolenaar if (pt == 0) { 2913c1e38eaSMarcel Moolenaar /* no longer exists */ 2923c1e38eaSMarcel Moolenaar ta->map[id].type = PT_NONE; 2933c1e38eaSMarcel Moolenaar return (TD_NOTHR); 2943c1e38eaSMarcel Moolenaar } 2953c1e38eaSMarcel Moolenaar } 2963c1e38eaSMarcel Moolenaar th->th_ta = ta; 2973c1e38eaSMarcel Moolenaar th->th_tid = id; 2982ec2da86SDavid Xu th->th_thread = pt; 2993c1e38eaSMarcel Moolenaar return (TD_OK); 3003c1e38eaSMarcel Moolenaar } 3013c1e38eaSMarcel Moolenaar 3023c1e38eaSMarcel Moolenaar static td_err_e 3033c1e38eaSMarcel Moolenaar pt_ta_map_lwp2thr(const td_thragent_t *ta, lwpid_t lwp, td_thrhandle_t *th) 3043c1e38eaSMarcel Moolenaar { 3053c1e38eaSMarcel Moolenaar TAILQ_HEAD(, pthread) thread_list; 3063c1e38eaSMarcel Moolenaar psaddr_t pt, ptr; 3073c1e38eaSMarcel Moolenaar lwpid_t tmp_lwp; 3083c1e38eaSMarcel Moolenaar int ret; 3093c1e38eaSMarcel Moolenaar 3103c1e38eaSMarcel Moolenaar TDBG_FUNC(); 3113c1e38eaSMarcel Moolenaar 3123c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ta->thread_list_addr, &thread_list, 3133c1e38eaSMarcel Moolenaar sizeof(thread_list)); 3143c1e38eaSMarcel Moolenaar if (ret != 0) 3153c1e38eaSMarcel Moolenaar return (P2T(ret)); 3163c1e38eaSMarcel Moolenaar pt = (psaddr_t)thread_list.tqh_first; 3173c1e38eaSMarcel Moolenaar while (pt != 0) { 318cd980d46SDavid Xu ret = ps_pread(ta->ph, pt + ta->thread_off_tcb, 3193c1e38eaSMarcel Moolenaar &ptr, sizeof(ptr)); 3203c1e38eaSMarcel Moolenaar if (ret != 0) 3213c1e38eaSMarcel Moolenaar return (P2T(ret)); 322cd980d46SDavid Xu ptr += ta->thread_off_tmbx + 323cd980d46SDavid Xu offsetof(struct kse_thr_mailbox, tm_lwp); 3243c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ptr, &tmp_lwp, sizeof(lwpid_t)); 3253c1e38eaSMarcel Moolenaar if (ret != 0) 3263c1e38eaSMarcel Moolenaar return (P2T(ret)); 3273c1e38eaSMarcel Moolenaar if (tmp_lwp == lwp) { 3283c1e38eaSMarcel Moolenaar th->th_ta = ta; 3293c1e38eaSMarcel Moolenaar th->th_tid = pt_map_thread(ta, pt, PT_USER); 3303c1e38eaSMarcel Moolenaar if (th->th_tid == -1) 3313c1e38eaSMarcel Moolenaar return (TD_MALLOC); 3323c1e38eaSMarcel Moolenaar pt_unmap_lwp(ta, lwp); 3332ec2da86SDavid Xu th->th_thread = pt; 3343c1e38eaSMarcel Moolenaar return (TD_OK); 3353c1e38eaSMarcel Moolenaar } 3363c1e38eaSMarcel Moolenaar 3373c1e38eaSMarcel Moolenaar /* get next thread */ 3383c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, 339cd980d46SDavid Xu pt + ta->thread_off_next, 3403c1e38eaSMarcel Moolenaar &pt, sizeof(pt)); 3413c1e38eaSMarcel Moolenaar if (ret != 0) 3423c1e38eaSMarcel Moolenaar return (P2T(ret)); 3433c1e38eaSMarcel Moolenaar } 3443c1e38eaSMarcel Moolenaar 3453c1e38eaSMarcel Moolenaar return (TD_NOTHR); 3463c1e38eaSMarcel Moolenaar } 3473c1e38eaSMarcel Moolenaar 3483c1e38eaSMarcel Moolenaar static td_err_e 3493c1e38eaSMarcel Moolenaar pt_ta_thr_iter(const td_thragent_t *ta, 3503c1e38eaSMarcel Moolenaar td_thr_iter_f *callback, void *cbdata_p, 3513c1e38eaSMarcel Moolenaar td_thr_state_e state, int ti_pri, 3523c1e38eaSMarcel Moolenaar sigset_t *ti_sigmask_p, 3533c1e38eaSMarcel Moolenaar unsigned int ti_user_flags) 3543c1e38eaSMarcel Moolenaar { 3553c1e38eaSMarcel Moolenaar TAILQ_HEAD(, pthread) thread_list; 3563c1e38eaSMarcel Moolenaar td_thrhandle_t th; 3573c1e38eaSMarcel Moolenaar psaddr_t pt; 3583c1e38eaSMarcel Moolenaar ps_err_e pserr; 3593c1e38eaSMarcel Moolenaar int activated; 3603c1e38eaSMarcel Moolenaar 3613c1e38eaSMarcel Moolenaar TDBG_FUNC(); 3623c1e38eaSMarcel Moolenaar 3633c1e38eaSMarcel Moolenaar pserr = ps_pread(ta->ph, ta->thread_activated_addr, &activated, 3643c1e38eaSMarcel Moolenaar sizeof(int)); 3653c1e38eaSMarcel Moolenaar if (pserr != PS_OK) 3663c1e38eaSMarcel Moolenaar return (P2T(pserr)); 3673c1e38eaSMarcel Moolenaar if (!activated) 3683c1e38eaSMarcel Moolenaar return (TD_OK); 3693c1e38eaSMarcel Moolenaar 3703c1e38eaSMarcel Moolenaar pserr = ps_pread(ta->ph, ta->thread_list_addr, &thread_list, 3713c1e38eaSMarcel Moolenaar sizeof(thread_list)); 3723c1e38eaSMarcel Moolenaar if (pserr != 0) 3733c1e38eaSMarcel Moolenaar return (P2T(pserr)); 3743c1e38eaSMarcel Moolenaar pt = (psaddr_t)thread_list.tqh_first; 3753c1e38eaSMarcel Moolenaar while (pt != 0) { 3763c1e38eaSMarcel Moolenaar th.th_ta = ta; 3773c1e38eaSMarcel Moolenaar th.th_tid = pt_map_thread(ta, pt, PT_USER); 3782ec2da86SDavid Xu th.th_thread = pt; 3793c1e38eaSMarcel Moolenaar /* should we unmap lwp here ? */ 3803c1e38eaSMarcel Moolenaar if (th.th_tid == -1) 3813c1e38eaSMarcel Moolenaar return (TD_MALLOC); 3823c1e38eaSMarcel Moolenaar if ((*callback)(&th, cbdata_p)) 3833c1e38eaSMarcel Moolenaar return (TD_DBERR); 3843c1e38eaSMarcel Moolenaar /* get next thread */ 3853c1e38eaSMarcel Moolenaar pserr = ps_pread(ta->ph, 386cd980d46SDavid Xu pt + ta->thread_off_next, &pt, 3873c1e38eaSMarcel Moolenaar sizeof(pt)); 3883c1e38eaSMarcel Moolenaar if (pserr != PS_OK) 3893c1e38eaSMarcel Moolenaar return (P2T(pserr)); 3903c1e38eaSMarcel Moolenaar } 3913c1e38eaSMarcel Moolenaar return (TD_OK); 3923c1e38eaSMarcel Moolenaar } 3933c1e38eaSMarcel Moolenaar 3943c1e38eaSMarcel Moolenaar static td_err_e 3953c1e38eaSMarcel Moolenaar pt_ta_tsd_iter(const td_thragent_t *ta, td_key_iter_f *ki, void *arg) 3963c1e38eaSMarcel Moolenaar { 397cd980d46SDavid Xu char *keytable; 398cd980d46SDavid Xu void *destructor; 399cd980d46SDavid Xu int i, ret, allocated; 4003c1e38eaSMarcel Moolenaar 4013c1e38eaSMarcel Moolenaar TDBG_FUNC(); 4023c1e38eaSMarcel Moolenaar 403cd980d46SDavid Xu keytable = malloc(ta->thread_max_keys * ta->thread_size_key); 404cd980d46SDavid Xu if (keytable == NULL) 405cd980d46SDavid Xu return (TD_MALLOC); 4063c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, (psaddr_t)ta->thread_keytable_addr, keytable, 407cd980d46SDavid Xu ta->thread_max_keys * ta->thread_size_key); 4082eb43a64SDavid Xu if (ret != 0) { 4092eb43a64SDavid Xu free(keytable); 4103c1e38eaSMarcel Moolenaar return (P2T(ret)); 4112eb43a64SDavid Xu } 412cd980d46SDavid Xu for (i = 0; i < ta->thread_max_keys; i++) { 413cd980d46SDavid Xu allocated = *(int *)(keytable + i * ta->thread_size_key + 414cd980d46SDavid Xu ta->thread_off_key_allocated); 415cd980d46SDavid Xu destructor = *(void **)(keytable + i * ta->thread_size_key + 416cd980d46SDavid Xu ta->thread_off_key_destructor); 417cd980d46SDavid Xu if (allocated) { 418cd980d46SDavid Xu ret = (ki)(i, destructor, arg); 419cd980d46SDavid Xu if (ret != 0) { 420cd980d46SDavid Xu free(keytable); 4213c1e38eaSMarcel Moolenaar return (TD_DBERR); 4223c1e38eaSMarcel Moolenaar } 4233c1e38eaSMarcel Moolenaar } 424cd980d46SDavid Xu } 425cd980d46SDavid Xu free(keytable); 4263c1e38eaSMarcel Moolenaar return (TD_OK); 4273c1e38eaSMarcel Moolenaar } 4283c1e38eaSMarcel Moolenaar 4293c1e38eaSMarcel Moolenaar static td_err_e 4303c1e38eaSMarcel Moolenaar pt_ta_event_addr(const td_thragent_t *ta, td_event_e event, td_notify_t *ptr) 4313c1e38eaSMarcel Moolenaar { 4323c1e38eaSMarcel Moolenaar TDBG_FUNC(); 433a80845eaSDavid Xu return (TD_ERR); 4343c1e38eaSMarcel Moolenaar } 4353c1e38eaSMarcel Moolenaar 4363c1e38eaSMarcel Moolenaar static td_err_e 4373c1e38eaSMarcel Moolenaar pt_ta_set_event(const td_thragent_t *ta, td_thr_events_t *events) 4383c1e38eaSMarcel Moolenaar { 4393c1e38eaSMarcel Moolenaar TDBG_FUNC(); 440a80845eaSDavid Xu return (0); 4413c1e38eaSMarcel Moolenaar } 4423c1e38eaSMarcel Moolenaar 4433c1e38eaSMarcel Moolenaar static td_err_e 4443c1e38eaSMarcel Moolenaar pt_ta_clear_event(const td_thragent_t *ta, td_thr_events_t *events) 4453c1e38eaSMarcel Moolenaar { 4463c1e38eaSMarcel Moolenaar TDBG_FUNC(); 447a80845eaSDavid Xu return (0); 4483c1e38eaSMarcel Moolenaar } 4493c1e38eaSMarcel Moolenaar 4503c1e38eaSMarcel Moolenaar static td_err_e 4513c1e38eaSMarcel Moolenaar pt_ta_event_getmsg(const td_thragent_t *ta, td_event_msg_t *msg) 4523c1e38eaSMarcel Moolenaar { 4533c1e38eaSMarcel Moolenaar TDBG_FUNC(); 4543c1e38eaSMarcel Moolenaar return (TD_NOMSG); 4553c1e38eaSMarcel Moolenaar } 4563c1e38eaSMarcel Moolenaar 4573c1e38eaSMarcel Moolenaar static td_err_e 458447d36ecSDavid Xu pt_dbsuspend(const td_thrhandle_t *th, int suspend) 459447d36ecSDavid Xu { 460447d36ecSDavid Xu td_thragent_t *ta = (td_thragent_t *)th->th_ta; 461447d36ecSDavid Xu psaddr_t tcb_addr, tmbx_addr, ptr; 462447d36ecSDavid Xu lwpid_t lwp; 463447d36ecSDavid Xu uint32_t dflags; 4643e93cc3aSDavid Xu int attrflags, locklevel, ret; 465447d36ecSDavid Xu 466447d36ecSDavid Xu TDBG_FUNC(); 467447d36ecSDavid Xu 468447d36ecSDavid Xu ret = pt_validate(th); 469447d36ecSDavid Xu if (ret) 470447d36ecSDavid Xu return (ret); 471447d36ecSDavid Xu 472447d36ecSDavid Xu if (ta->map[th->th_tid].type == PT_LWP) { 473447d36ecSDavid Xu if (suspend) 474447d36ecSDavid Xu ret = ps_lstop(ta->ph, ta->map[th->th_tid].lwp); 475447d36ecSDavid Xu else 476447d36ecSDavid Xu ret = ps_lcontinue(ta->ph, ta->map[th->th_tid].lwp); 477447d36ecSDavid Xu return (P2T(ret)); 478447d36ecSDavid Xu } 479447d36ecSDavid Xu 480447d36ecSDavid Xu ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + 481cd980d46SDavid Xu ta->thread_off_attr_flags, 482447d36ecSDavid Xu &attrflags, sizeof(attrflags)); 483447d36ecSDavid Xu if (ret != 0) 484447d36ecSDavid Xu return (P2T(ret)); 485447d36ecSDavid Xu ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + 486cd980d46SDavid Xu ta->thread_off_tcb, 487447d36ecSDavid Xu &tcb_addr, sizeof(tcb_addr)); 488447d36ecSDavid Xu if (ret != 0) 489447d36ecSDavid Xu return (P2T(ret)); 490cd980d46SDavid Xu tmbx_addr = tcb_addr + ta->thread_off_tmbx; 491447d36ecSDavid Xu ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp); 492447d36ecSDavid Xu ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t)); 493447d36ecSDavid Xu if (ret != 0) 494447d36ecSDavid Xu return (P2T(ret)); 4953e93cc3aSDavid Xu 4963e93cc3aSDavid Xu if (lwp != 0) { 4973e93cc3aSDavid Xu /* don't suspend signal thread */ 498cd980d46SDavid Xu if (attrflags & 0x200) 4993e93cc3aSDavid Xu return (0); 5003e93cc3aSDavid Xu if (attrflags & PTHREAD_SCOPE_SYSTEM) { 5013e93cc3aSDavid Xu /* 5023e93cc3aSDavid Xu * don't suspend system scope thread if it is holding 5033e93cc3aSDavid Xu * some low level locks 5043e93cc3aSDavid Xu */ 505cd980d46SDavid Xu ptr = ta->map[th->th_tid].thr + ta->thread_off_kse; 506447d36ecSDavid Xu ret = ps_pread(ta->ph, ptr, &ptr, sizeof(ptr)); 507447d36ecSDavid Xu if (ret != 0) 508447d36ecSDavid Xu return (P2T(ret)); 509cd980d46SDavid Xu ret = ps_pread(ta->ph, ptr + ta->thread_off_kse_locklevel, 510cd980d46SDavid Xu &locklevel, sizeof(int)); 511447d36ecSDavid Xu if (ret != 0) 512447d36ecSDavid Xu return (P2T(ret)); 5133e93cc3aSDavid Xu if (locklevel <= 0) { 5143e93cc3aSDavid Xu ptr = ta->map[th->th_tid].thr + 515cd980d46SDavid Xu ta->thread_off_thr_locklevel; 5163e93cc3aSDavid Xu ret = ps_pread(ta->ph, ptr, &locklevel, 5173e93cc3aSDavid Xu sizeof(int)); 518447d36ecSDavid Xu if (ret != 0) 519447d36ecSDavid Xu return (P2T(ret)); 520447d36ecSDavid Xu } 5213e93cc3aSDavid Xu if (suspend) { 5223e93cc3aSDavid Xu if (locklevel <= 0) 5233e93cc3aSDavid Xu ret = ps_lstop(ta->ph, lwp); 5243e93cc3aSDavid Xu } else { 5253e93cc3aSDavid Xu ret = ps_lcontinue(ta->ph, lwp); 5263e93cc3aSDavid Xu } 5273e93cc3aSDavid Xu if (ret != 0) 5283e93cc3aSDavid Xu return (P2T(ret)); 529447d36ecSDavid Xu /* FALLTHROUGH */ 5303e93cc3aSDavid Xu } else { 5313e93cc3aSDavid Xu struct ptrace_lwpinfo pl; 5323e93cc3aSDavid Xu 5336ff81bf5SDavid Xu if (ps_linfo(ta->ph, lwp, (caddr_t)&pl)) 5343e93cc3aSDavid Xu return (TD_ERR); 5353e93cc3aSDavid Xu if (suspend) { 5363e93cc3aSDavid Xu if (!(pl.pl_flags & PL_FLAG_BOUND)) 5373e93cc3aSDavid Xu ret = ps_lstop(ta->ph, lwp); 5383e93cc3aSDavid Xu } else { 5393e93cc3aSDavid Xu ret = ps_lcontinue(ta->ph, lwp); 5403e93cc3aSDavid Xu } 5413e93cc3aSDavid Xu if (ret != 0) 5423e93cc3aSDavid Xu return (P2T(ret)); 5433e93cc3aSDavid Xu /* FALLTHROUGH */ 5443e93cc3aSDavid Xu } 545447d36ecSDavid Xu } 546447d36ecSDavid Xu /* read tm_dflags */ 547447d36ecSDavid Xu ret = ps_pread(ta->ph, 548447d36ecSDavid Xu tmbx_addr + offsetof(struct kse_thr_mailbox, tm_dflags), 549447d36ecSDavid Xu &dflags, sizeof(dflags)); 550447d36ecSDavid Xu if (ret != 0) 551447d36ecSDavid Xu return (P2T(ret)); 552447d36ecSDavid Xu if (suspend) 5534513fb36SDavid Xu dflags |= TMDF_SUSPEND; 554447d36ecSDavid Xu else 5554513fb36SDavid Xu dflags &= ~TMDF_SUSPEND; 556447d36ecSDavid Xu ret = ps_pwrite(ta->ph, 557447d36ecSDavid Xu tmbx_addr + offsetof(struct kse_thr_mailbox, tm_dflags), 558447d36ecSDavid Xu &dflags, sizeof(dflags)); 559447d36ecSDavid Xu return (P2T(ret)); 560447d36ecSDavid Xu } 561447d36ecSDavid Xu 562447d36ecSDavid Xu static td_err_e 5633c1e38eaSMarcel Moolenaar pt_thr_dbresume(const td_thrhandle_t *th) 5643c1e38eaSMarcel Moolenaar { 5653c1e38eaSMarcel Moolenaar TDBG_FUNC(); 566447d36ecSDavid Xu 567447d36ecSDavid Xu return pt_dbsuspend(th, 0); 5683c1e38eaSMarcel Moolenaar } 5693c1e38eaSMarcel Moolenaar 5703c1e38eaSMarcel Moolenaar static td_err_e 5713c1e38eaSMarcel Moolenaar pt_thr_dbsuspend(const td_thrhandle_t *th) 5723c1e38eaSMarcel Moolenaar { 5733c1e38eaSMarcel Moolenaar TDBG_FUNC(); 574447d36ecSDavid Xu 575447d36ecSDavid Xu return pt_dbsuspend(th, 1); 5763c1e38eaSMarcel Moolenaar } 5773c1e38eaSMarcel Moolenaar 5783c1e38eaSMarcel Moolenaar static td_err_e 5793c1e38eaSMarcel Moolenaar pt_thr_validate(const td_thrhandle_t *th) 5803c1e38eaSMarcel Moolenaar { 5813c1e38eaSMarcel Moolenaar td_thrhandle_t temp; 5823c1e38eaSMarcel Moolenaar int ret; 5833c1e38eaSMarcel Moolenaar 5843c1e38eaSMarcel Moolenaar TDBG_FUNC(); 5853c1e38eaSMarcel Moolenaar 5863c1e38eaSMarcel Moolenaar ret = pt_ta_map_id2thr(th->th_ta, th->th_tid, 5873c1e38eaSMarcel Moolenaar &temp); 588447d36ecSDavid Xu return (ret); 5893c1e38eaSMarcel Moolenaar } 5903c1e38eaSMarcel Moolenaar 5913c1e38eaSMarcel Moolenaar static td_err_e 5923c1e38eaSMarcel Moolenaar pt_thr_get_info(const td_thrhandle_t *th, td_thrinfo_t *info) 5933c1e38eaSMarcel Moolenaar { 5943c1e38eaSMarcel Moolenaar const td_thragent_t *ta = th->th_ta; 5952ed66c93SDavid Xu struct ptrace_lwpinfo linfo; 596cd980d46SDavid Xu psaddr_t tcb_addr; 597447d36ecSDavid Xu uint32_t dflags; 5982ed66c93SDavid Xu lwpid_t lwp; 599cd980d46SDavid Xu int state; 600cd980d46SDavid Xu int ret; 6012ed66c93SDavid Xu int attrflags; 6023c1e38eaSMarcel Moolenaar 6033c1e38eaSMarcel Moolenaar TDBG_FUNC(); 6043c1e38eaSMarcel Moolenaar 60583154c48SDavid Xu bzero(info, sizeof(*info)); 6063c1e38eaSMarcel Moolenaar ret = pt_validate(th); 6073c1e38eaSMarcel Moolenaar if (ret) 6083c1e38eaSMarcel Moolenaar return (ret); 6093c1e38eaSMarcel Moolenaar 6103c1e38eaSMarcel Moolenaar memset(info, 0, sizeof(*info)); 6113c1e38eaSMarcel Moolenaar if (ta->map[th->th_tid].type == PT_LWP) { 6123c1e38eaSMarcel Moolenaar info->ti_type = TD_THR_SYSTEM; 6133c1e38eaSMarcel Moolenaar info->ti_lid = ta->map[th->th_tid].lwp; 6143c1e38eaSMarcel Moolenaar info->ti_tid = th->th_tid; 6153c1e38eaSMarcel Moolenaar info->ti_state = TD_THR_RUN; 6163c1e38eaSMarcel Moolenaar info->ti_type = TD_THR_SYSTEM; 6173c1e38eaSMarcel Moolenaar return (TD_OK); 6183c1e38eaSMarcel Moolenaar } 6192ed66c93SDavid Xu 6202ed66c93SDavid Xu ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + 6212ed66c93SDavid Xu ta->thread_off_attr_flags, 6222ed66c93SDavid Xu &attrflags, sizeof(attrflags)); 6232ed66c93SDavid Xu if (ret != 0) 6242ed66c93SDavid Xu return (P2T(ret)); 625cd980d46SDavid Xu ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + ta->thread_off_tcb, 626cd980d46SDavid Xu &tcb_addr, sizeof(tcb_addr)); 6273c1e38eaSMarcel Moolenaar if (ret != 0) 6283c1e38eaSMarcel Moolenaar return (P2T(ret)); 629cd980d46SDavid Xu ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + ta->thread_off_state, 630cd980d46SDavid Xu &state, sizeof(state)); 6313c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, 632cd980d46SDavid Xu tcb_addr + ta->thread_off_tmbx + 633cd980d46SDavid Xu offsetof(struct kse_thr_mailbox, tm_lwp), 6343c1e38eaSMarcel Moolenaar &info->ti_lid, sizeof(lwpid_t)); 6353c1e38eaSMarcel Moolenaar if (ret != 0) 6363c1e38eaSMarcel Moolenaar return (P2T(ret)); 637447d36ecSDavid Xu ret = ps_pread(ta->ph, 638cd980d46SDavid Xu tcb_addr + ta->thread_off_tmbx + 639cd980d46SDavid Xu offsetof(struct kse_thr_mailbox, tm_dflags), 640447d36ecSDavid Xu &dflags, sizeof(dflags)); 641447d36ecSDavid Xu if (ret != 0) 642447d36ecSDavid Xu return (P2T(ret)); 6432ed66c93SDavid Xu ret = ps_pread(ta->ph, tcb_addr + ta->thread_off_tmbx + 6442ed66c93SDavid Xu offsetof(struct kse_thr_mailbox, tm_lwp), &lwp, sizeof(lwpid_t)); 6452ed66c93SDavid Xu if (ret != 0) 6462ed66c93SDavid Xu return (P2T(ret)); 6473c1e38eaSMarcel Moolenaar info->ti_ta_p = th->th_ta; 6483c1e38eaSMarcel Moolenaar info->ti_tid = th->th_tid; 6492ed66c93SDavid Xu 6502ed66c93SDavid Xu if (attrflags & PTHREAD_SCOPE_SYSTEM) { 6512ed66c93SDavid Xu ret = ps_linfo(ta->ph, lwp, &linfo); 6522ed66c93SDavid Xu if (ret == PS_OK) { 6532ed66c93SDavid Xu info->ti_sigmask = linfo.pl_sigmask; 6542ed66c93SDavid Xu info->ti_pending = linfo.pl_siglist; 6552ed66c93SDavid Xu } else 6562ed66c93SDavid Xu return (ret); 6572ed66c93SDavid Xu } else { 6582ed66c93SDavid Xu ret = ps_pread(ta->ph, 6592ed66c93SDavid Xu ta->map[th->th_tid].thr + ta->thread_off_sigmask, 6602ed66c93SDavid Xu &info->ti_sigmask, sizeof(sigset_t)); 6612ed66c93SDavid Xu if (ret) 6622ed66c93SDavid Xu return (ret); 6632ed66c93SDavid Xu ret = ps_pread(ta->ph, 6642ed66c93SDavid Xu ta->map[th->th_tid].thr + ta->thread_off_sigpend, 6652ed66c93SDavid Xu &info->ti_pending, sizeof(sigset_t)); 6662ed66c93SDavid Xu if (ret) 6672ed66c93SDavid Xu return (ret); 6682ed66c93SDavid Xu } 6692ed66c93SDavid Xu 670cd980d46SDavid Xu if (state == ta->thread_state_running) 6713c1e38eaSMarcel Moolenaar info->ti_state = TD_THR_RUN; 672cd980d46SDavid Xu else if (state == ta->thread_state_zoombie) 6733c1e38eaSMarcel Moolenaar info->ti_state = TD_THR_ZOMBIE; 674cd980d46SDavid Xu else 675cd980d46SDavid Xu info->ti_state = TD_THR_SLEEP; 6764513fb36SDavid Xu info->ti_db_suspended = ((dflags & TMDF_SUSPEND) != 0); 6773c1e38eaSMarcel Moolenaar info->ti_type = TD_THR_USER; 6783c1e38eaSMarcel Moolenaar return (0); 6793c1e38eaSMarcel Moolenaar } 6803c1e38eaSMarcel Moolenaar 6818d7681bbSDoug Rabson #ifdef __i386__ 6828d7681bbSDoug Rabson static td_err_e 6838d7681bbSDoug Rabson pt_thr_getxmmregs(const td_thrhandle_t *th, char *fxsave) 6848d7681bbSDoug Rabson { 6858d7681bbSDoug Rabson const td_thragent_t *ta = th->th_ta; 6868d7681bbSDoug Rabson struct kse_thr_mailbox tmbx; 6878d7681bbSDoug Rabson psaddr_t tcb_addr, tmbx_addr, ptr; 6888d7681bbSDoug Rabson lwpid_t lwp; 6898d7681bbSDoug Rabson int ret; 6908d7681bbSDoug Rabson 6918d7681bbSDoug Rabson return TD_ERR; 6928d7681bbSDoug Rabson 6938d7681bbSDoug Rabson TDBG_FUNC(); 6948d7681bbSDoug Rabson 6958d7681bbSDoug Rabson ret = pt_validate(th); 6968d7681bbSDoug Rabson if (ret) 6978d7681bbSDoug Rabson return (ret); 6988d7681bbSDoug Rabson 6998d7681bbSDoug Rabson if (ta->map[th->th_tid].type == PT_LWP) { 7008d7681bbSDoug Rabson ret = ps_lgetxmmregs(ta->ph, ta->map[th->th_tid].lwp, fxsave); 7018d7681bbSDoug Rabson return (P2T(ret)); 7028d7681bbSDoug Rabson } 7038d7681bbSDoug Rabson 7048d7681bbSDoug Rabson ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + ta->thread_off_tcb, 7058d7681bbSDoug Rabson &tcb_addr, sizeof(tcb_addr)); 7068d7681bbSDoug Rabson if (ret != 0) 7078d7681bbSDoug Rabson return (P2T(ret)); 7088d7681bbSDoug Rabson tmbx_addr = tcb_addr + ta->thread_off_tmbx; 7098d7681bbSDoug Rabson ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp); 7108d7681bbSDoug Rabson ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t)); 7118d7681bbSDoug Rabson if (ret != 0) 7128d7681bbSDoug Rabson return (P2T(ret)); 7138d7681bbSDoug Rabson if (lwp != 0) { 7148d7681bbSDoug Rabson ret = ps_lgetxmmregs(ta->ph, lwp, fxsave); 7158d7681bbSDoug Rabson return (P2T(ret)); 7168d7681bbSDoug Rabson } 7178d7681bbSDoug Rabson 7188d7681bbSDoug Rabson ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 7198d7681bbSDoug Rabson if (ret != 0) 7208d7681bbSDoug Rabson return (P2T(ret)); 7218d7681bbSDoug Rabson pt_ucontext_to_fxsave(&tmbx.tm_context, fxsave); 7228d7681bbSDoug Rabson return (0); 7238d7681bbSDoug Rabson } 7248d7681bbSDoug Rabson #endif 7258d7681bbSDoug Rabson 7263c1e38eaSMarcel Moolenaar static td_err_e 7273c1e38eaSMarcel Moolenaar pt_thr_getfpregs(const td_thrhandle_t *th, prfpregset_t *fpregs) 7283c1e38eaSMarcel Moolenaar { 7293c1e38eaSMarcel Moolenaar const td_thragent_t *ta = th->th_ta; 7303c1e38eaSMarcel Moolenaar struct kse_thr_mailbox tmbx; 7313c1e38eaSMarcel Moolenaar psaddr_t tcb_addr, tmbx_addr, ptr; 7323c1e38eaSMarcel Moolenaar lwpid_t lwp; 7333c1e38eaSMarcel Moolenaar int ret; 7343c1e38eaSMarcel Moolenaar 7353c1e38eaSMarcel Moolenaar TDBG_FUNC(); 7363c1e38eaSMarcel Moolenaar 7373c1e38eaSMarcel Moolenaar ret = pt_validate(th); 7383c1e38eaSMarcel Moolenaar if (ret) 7393c1e38eaSMarcel Moolenaar return (ret); 7403c1e38eaSMarcel Moolenaar 7413c1e38eaSMarcel Moolenaar if (ta->map[th->th_tid].type == PT_LWP) { 7423c1e38eaSMarcel Moolenaar ret = ps_lgetfpregs(ta->ph, ta->map[th->th_tid].lwp, fpregs); 7433c1e38eaSMarcel Moolenaar return (P2T(ret)); 7443c1e38eaSMarcel Moolenaar } 7453c1e38eaSMarcel Moolenaar 746cd980d46SDavid Xu ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + ta->thread_off_tcb, 7473c1e38eaSMarcel Moolenaar &tcb_addr, sizeof(tcb_addr)); 7483c1e38eaSMarcel Moolenaar if (ret != 0) 7493c1e38eaSMarcel Moolenaar return (P2T(ret)); 750cd980d46SDavid Xu tmbx_addr = tcb_addr + ta->thread_off_tmbx; 7513c1e38eaSMarcel Moolenaar ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp); 7523c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t)); 7533c1e38eaSMarcel Moolenaar if (ret != 0) 7543c1e38eaSMarcel Moolenaar return (P2T(ret)); 7553c1e38eaSMarcel Moolenaar if (lwp != 0) { 7563c1e38eaSMarcel Moolenaar ret = ps_lgetfpregs(ta->ph, lwp, fpregs); 7573c1e38eaSMarcel Moolenaar return (P2T(ret)); 7583c1e38eaSMarcel Moolenaar } 7593c1e38eaSMarcel Moolenaar 7603c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 7613c1e38eaSMarcel Moolenaar if (ret != 0) 7623c1e38eaSMarcel Moolenaar return (P2T(ret)); 7633c1e38eaSMarcel Moolenaar pt_ucontext_to_fpreg(&tmbx.tm_context, fpregs); 7643c1e38eaSMarcel Moolenaar return (0); 7653c1e38eaSMarcel Moolenaar } 7663c1e38eaSMarcel Moolenaar 7673c1e38eaSMarcel Moolenaar static td_err_e 7683c1e38eaSMarcel Moolenaar pt_thr_getgregs(const td_thrhandle_t *th, prgregset_t gregs) 7693c1e38eaSMarcel Moolenaar { 7703c1e38eaSMarcel Moolenaar const td_thragent_t *ta = th->th_ta; 7713c1e38eaSMarcel Moolenaar struct kse_thr_mailbox tmbx; 7723c1e38eaSMarcel Moolenaar psaddr_t tcb_addr, tmbx_addr, ptr; 7733c1e38eaSMarcel Moolenaar lwpid_t lwp; 7743c1e38eaSMarcel Moolenaar int ret; 7753c1e38eaSMarcel Moolenaar 7763c1e38eaSMarcel Moolenaar TDBG_FUNC(); 7773c1e38eaSMarcel Moolenaar 7783c1e38eaSMarcel Moolenaar ret = pt_validate(th); 7793c1e38eaSMarcel Moolenaar if (ret) 7803c1e38eaSMarcel Moolenaar return (ret); 7813c1e38eaSMarcel Moolenaar 7823c1e38eaSMarcel Moolenaar if (ta->map[th->th_tid].type == PT_LWP) { 7833c1e38eaSMarcel Moolenaar ret = ps_lgetregs(ta->ph, 7843c1e38eaSMarcel Moolenaar ta->map[th->th_tid].lwp, gregs); 7853c1e38eaSMarcel Moolenaar return (P2T(ret)); 7863c1e38eaSMarcel Moolenaar } 7873c1e38eaSMarcel Moolenaar 788cd980d46SDavid Xu ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + ta->thread_off_tcb, 7893c1e38eaSMarcel Moolenaar &tcb_addr, sizeof(tcb_addr)); 7903c1e38eaSMarcel Moolenaar if (ret != 0) 7913c1e38eaSMarcel Moolenaar return (P2T(ret)); 792cd980d46SDavid Xu tmbx_addr = tcb_addr + ta->thread_off_tmbx; 7933c1e38eaSMarcel Moolenaar ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp); 7943c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t)); 7953c1e38eaSMarcel Moolenaar if (ret != 0) 7963c1e38eaSMarcel Moolenaar return (P2T(ret)); 7973c1e38eaSMarcel Moolenaar if (lwp != 0) { 7983c1e38eaSMarcel Moolenaar ret = ps_lgetregs(ta->ph, lwp, gregs); 7993c1e38eaSMarcel Moolenaar return (P2T(ret)); 8003c1e38eaSMarcel Moolenaar } 8013c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 8023c1e38eaSMarcel Moolenaar if (ret != 0) 8033c1e38eaSMarcel Moolenaar return (P2T(ret)); 8043c1e38eaSMarcel Moolenaar pt_ucontext_to_reg(&tmbx.tm_context, gregs); 8053c1e38eaSMarcel Moolenaar return (0); 8063c1e38eaSMarcel Moolenaar } 8073c1e38eaSMarcel Moolenaar 8088d7681bbSDoug Rabson #ifdef __i386__ 8098d7681bbSDoug Rabson static td_err_e 8108d7681bbSDoug Rabson pt_thr_setxmmregs(const td_thrhandle_t *th, const char *fxsave) 8118d7681bbSDoug Rabson { 8128d7681bbSDoug Rabson const td_thragent_t *ta = th->th_ta; 8138d7681bbSDoug Rabson struct kse_thr_mailbox tmbx; 8148d7681bbSDoug Rabson psaddr_t tcb_addr, tmbx_addr, ptr; 8158d7681bbSDoug Rabson lwpid_t lwp; 8168d7681bbSDoug Rabson int ret; 8178d7681bbSDoug Rabson 8188d7681bbSDoug Rabson return TD_ERR; 8198d7681bbSDoug Rabson 8208d7681bbSDoug Rabson TDBG_FUNC(); 8218d7681bbSDoug Rabson 8228d7681bbSDoug Rabson ret = pt_validate(th); 8238d7681bbSDoug Rabson if (ret) 8248d7681bbSDoug Rabson return (ret); 8258d7681bbSDoug Rabson 8268d7681bbSDoug Rabson if (ta->map[th->th_tid].type == PT_LWP) { 8278d7681bbSDoug Rabson ret = ps_lsetxmmregs(ta->ph, ta->map[th->th_tid].lwp, fxsave); 8288d7681bbSDoug Rabson return (P2T(ret)); 8298d7681bbSDoug Rabson } 8308d7681bbSDoug Rabson 8318d7681bbSDoug Rabson ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + 8328d7681bbSDoug Rabson ta->thread_off_tcb, 8338d7681bbSDoug Rabson &tcb_addr, sizeof(tcb_addr)); 8348d7681bbSDoug Rabson if (ret != 0) 8358d7681bbSDoug Rabson return (P2T(ret)); 8368d7681bbSDoug Rabson tmbx_addr = tcb_addr + ta->thread_off_tmbx; 8378d7681bbSDoug Rabson ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp); 8388d7681bbSDoug Rabson ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t)); 8398d7681bbSDoug Rabson if (ret != 0) 8408d7681bbSDoug Rabson return (P2T(ret)); 8418d7681bbSDoug Rabson if (lwp != 0) { 8428d7681bbSDoug Rabson ret = ps_lsetxmmregs(ta->ph, lwp, fxsave); 8438d7681bbSDoug Rabson return (P2T(ret)); 8448d7681bbSDoug Rabson } 8458d7681bbSDoug Rabson /* 8468d7681bbSDoug Rabson * Read a copy of context, this makes sure that registers 8478d7681bbSDoug Rabson * not covered by structure reg won't be clobbered 8488d7681bbSDoug Rabson */ 8498d7681bbSDoug Rabson ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 8508d7681bbSDoug Rabson if (ret != 0) 8518d7681bbSDoug Rabson return (P2T(ret)); 8528d7681bbSDoug Rabson 8538d7681bbSDoug Rabson pt_fxsave_to_ucontext(fxsave, &tmbx.tm_context); 8548d7681bbSDoug Rabson ret = ps_pwrite(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 8558d7681bbSDoug Rabson return (P2T(ret)); 8568d7681bbSDoug Rabson } 8578d7681bbSDoug Rabson #endif 8588d7681bbSDoug Rabson 8593c1e38eaSMarcel Moolenaar static td_err_e 8603c1e38eaSMarcel Moolenaar pt_thr_setfpregs(const td_thrhandle_t *th, const prfpregset_t *fpregs) 8613c1e38eaSMarcel Moolenaar { 8623c1e38eaSMarcel Moolenaar const td_thragent_t *ta = th->th_ta; 8633c1e38eaSMarcel Moolenaar struct kse_thr_mailbox tmbx; 8643c1e38eaSMarcel Moolenaar psaddr_t tcb_addr, tmbx_addr, ptr; 8653c1e38eaSMarcel Moolenaar lwpid_t lwp; 8663c1e38eaSMarcel Moolenaar int ret; 8673c1e38eaSMarcel Moolenaar 8683c1e38eaSMarcel Moolenaar TDBG_FUNC(); 8693c1e38eaSMarcel Moolenaar 8703c1e38eaSMarcel Moolenaar ret = pt_validate(th); 8713c1e38eaSMarcel Moolenaar if (ret) 8723c1e38eaSMarcel Moolenaar return (ret); 8733c1e38eaSMarcel Moolenaar 8743c1e38eaSMarcel Moolenaar if (ta->map[th->th_tid].type == PT_LWP) { 8753c1e38eaSMarcel Moolenaar ret = ps_lsetfpregs(ta->ph, ta->map[th->th_tid].lwp, fpregs); 8763c1e38eaSMarcel Moolenaar return (P2T(ret)); 8773c1e38eaSMarcel Moolenaar } 8783c1e38eaSMarcel Moolenaar 8793c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + 880cd980d46SDavid Xu ta->thread_off_tcb, 8813c1e38eaSMarcel Moolenaar &tcb_addr, sizeof(tcb_addr)); 8823c1e38eaSMarcel Moolenaar if (ret != 0) 8833c1e38eaSMarcel Moolenaar return (P2T(ret)); 884cd980d46SDavid Xu tmbx_addr = tcb_addr + ta->thread_off_tmbx; 8853c1e38eaSMarcel Moolenaar ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp); 8863c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t)); 8873c1e38eaSMarcel Moolenaar if (ret != 0) 8883c1e38eaSMarcel Moolenaar return (P2T(ret)); 8893c1e38eaSMarcel Moolenaar if (lwp != 0) { 8903c1e38eaSMarcel Moolenaar ret = ps_lsetfpregs(ta->ph, lwp, fpregs); 8913c1e38eaSMarcel Moolenaar return (P2T(ret)); 8923c1e38eaSMarcel Moolenaar } 8933c1e38eaSMarcel Moolenaar /* 8943c1e38eaSMarcel Moolenaar * Read a copy of context, this makes sure that registers 8953c1e38eaSMarcel Moolenaar * not covered by structure reg won't be clobbered 8963c1e38eaSMarcel Moolenaar */ 8973c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 8983c1e38eaSMarcel Moolenaar if (ret != 0) 8993c1e38eaSMarcel Moolenaar return (P2T(ret)); 9003c1e38eaSMarcel Moolenaar 9013c1e38eaSMarcel Moolenaar pt_fpreg_to_ucontext(fpregs, &tmbx.tm_context); 9023c1e38eaSMarcel Moolenaar ret = ps_pwrite(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 9033c1e38eaSMarcel Moolenaar return (P2T(ret)); 9043c1e38eaSMarcel Moolenaar } 9053c1e38eaSMarcel Moolenaar 9063c1e38eaSMarcel Moolenaar static td_err_e 9073c1e38eaSMarcel Moolenaar pt_thr_setgregs(const td_thrhandle_t *th, const prgregset_t gregs) 9083c1e38eaSMarcel Moolenaar { 9093c1e38eaSMarcel Moolenaar const td_thragent_t *ta = th->th_ta; 9103c1e38eaSMarcel Moolenaar struct kse_thr_mailbox tmbx; 9113c1e38eaSMarcel Moolenaar psaddr_t tcb_addr, tmbx_addr, ptr; 9123c1e38eaSMarcel Moolenaar lwpid_t lwp; 9133c1e38eaSMarcel Moolenaar int ret; 9143c1e38eaSMarcel Moolenaar 9153c1e38eaSMarcel Moolenaar TDBG_FUNC(); 9163c1e38eaSMarcel Moolenaar 9173c1e38eaSMarcel Moolenaar ret = pt_validate(th); 9183c1e38eaSMarcel Moolenaar if (ret) 9193c1e38eaSMarcel Moolenaar return (ret); 9203c1e38eaSMarcel Moolenaar 9213c1e38eaSMarcel Moolenaar if (ta->map[th->th_tid].type == PT_LWP) { 9223c1e38eaSMarcel Moolenaar ret = ps_lsetregs(ta->ph, ta->map[th->th_tid].lwp, gregs); 9233c1e38eaSMarcel Moolenaar return (P2T(ret)); 9243c1e38eaSMarcel Moolenaar } 9253c1e38eaSMarcel Moolenaar 9263c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + 927cd980d46SDavid Xu ta->thread_off_tcb, 9283c1e38eaSMarcel Moolenaar &tcb_addr, sizeof(tcb_addr)); 9293c1e38eaSMarcel Moolenaar if (ret != 0) 9303c1e38eaSMarcel Moolenaar return (P2T(ret)); 931cd980d46SDavid Xu tmbx_addr = tcb_addr + ta->thread_off_tmbx; 9323c1e38eaSMarcel Moolenaar ptr = tmbx_addr + offsetof(struct kse_thr_mailbox, tm_lwp); 9333c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ptr, &lwp, sizeof(lwpid_t)); 9343c1e38eaSMarcel Moolenaar if (ret != 0) 9353c1e38eaSMarcel Moolenaar return (P2T(ret)); 9363c1e38eaSMarcel Moolenaar if (lwp != 0) { 9373c1e38eaSMarcel Moolenaar ret = ps_lsetregs(ta->ph, lwp, gregs); 9383c1e38eaSMarcel Moolenaar return (P2T(ret)); 9393c1e38eaSMarcel Moolenaar } 9403c1e38eaSMarcel Moolenaar 9413c1e38eaSMarcel Moolenaar /* 9423c1e38eaSMarcel Moolenaar * Read a copy of context, make sure that registers 9433c1e38eaSMarcel Moolenaar * not covered by structure reg won't be clobbered 9443c1e38eaSMarcel Moolenaar */ 9453c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 9463c1e38eaSMarcel Moolenaar if (ret != 0) 9473c1e38eaSMarcel Moolenaar return (P2T(ret)); 9483c1e38eaSMarcel Moolenaar pt_reg_to_ucontext(gregs, &tmbx.tm_context); 9493c1e38eaSMarcel Moolenaar ret = ps_pwrite(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 9503c1e38eaSMarcel Moolenaar return (P2T(ret)); 9513c1e38eaSMarcel Moolenaar } 9523c1e38eaSMarcel Moolenaar 9533c1e38eaSMarcel Moolenaar static td_err_e 9543c1e38eaSMarcel Moolenaar pt_thr_event_enable(const td_thrhandle_t *th, int en) 9553c1e38eaSMarcel Moolenaar { 9563c1e38eaSMarcel Moolenaar TDBG_FUNC(); 957a80845eaSDavid Xu return (0); 9583c1e38eaSMarcel Moolenaar } 9593c1e38eaSMarcel Moolenaar 9603c1e38eaSMarcel Moolenaar static td_err_e 9613c1e38eaSMarcel Moolenaar pt_thr_set_event(const td_thrhandle_t *th, td_thr_events_t *setp) 9623c1e38eaSMarcel Moolenaar { 9633c1e38eaSMarcel Moolenaar TDBG_FUNC(); 964a80845eaSDavid Xu return (0); 9653c1e38eaSMarcel Moolenaar } 9663c1e38eaSMarcel Moolenaar 9673c1e38eaSMarcel Moolenaar static td_err_e 9683c1e38eaSMarcel Moolenaar pt_thr_clear_event(const td_thrhandle_t *th, td_thr_events_t *setp) 9693c1e38eaSMarcel Moolenaar { 9703c1e38eaSMarcel Moolenaar TDBG_FUNC(); 971a80845eaSDavid Xu return (0); 9723c1e38eaSMarcel Moolenaar } 9733c1e38eaSMarcel Moolenaar 9743c1e38eaSMarcel Moolenaar static td_err_e 9753c1e38eaSMarcel Moolenaar pt_thr_event_getmsg(const td_thrhandle_t *th, td_event_msg_t *msg) 9763c1e38eaSMarcel Moolenaar { 9773c1e38eaSMarcel Moolenaar TDBG_FUNC(); 9783c1e38eaSMarcel Moolenaar return (TD_NOMSG); 9793c1e38eaSMarcel Moolenaar } 9803c1e38eaSMarcel Moolenaar 9813c1e38eaSMarcel Moolenaar static td_err_e 9823c1e38eaSMarcel Moolenaar pt_thr_sstep(const td_thrhandle_t *th, int step) 9833c1e38eaSMarcel Moolenaar { 9843c1e38eaSMarcel Moolenaar const td_thragent_t *ta = th->th_ta; 9853c1e38eaSMarcel Moolenaar struct kse_thr_mailbox tmbx; 9863c1e38eaSMarcel Moolenaar struct reg regs; 9873c1e38eaSMarcel Moolenaar psaddr_t tcb_addr, tmbx_addr; 988447d36ecSDavid Xu uint32_t dflags; 9893c1e38eaSMarcel Moolenaar lwpid_t lwp; 9903c1e38eaSMarcel Moolenaar int ret; 9913c1e38eaSMarcel Moolenaar 9923c1e38eaSMarcel Moolenaar TDBG_FUNC(); 9933c1e38eaSMarcel Moolenaar 9943c1e38eaSMarcel Moolenaar ret = pt_validate(th); 9953c1e38eaSMarcel Moolenaar if (ret) 9963c1e38eaSMarcel Moolenaar return (ret); 9973c1e38eaSMarcel Moolenaar 9983c1e38eaSMarcel Moolenaar if (ta->map[th->th_tid].type == PT_LWP) 9993c1e38eaSMarcel Moolenaar return (TD_BADTH); 10003c1e38eaSMarcel Moolenaar 10013c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + 1002cd980d46SDavid Xu ta->thread_off_tcb, 10033c1e38eaSMarcel Moolenaar &tcb_addr, sizeof(tcb_addr)); 10043c1e38eaSMarcel Moolenaar if (ret != 0) 10053c1e38eaSMarcel Moolenaar return (P2T(ret)); 10063c1e38eaSMarcel Moolenaar 10073c1e38eaSMarcel Moolenaar /* Clear or set single step flag in thread mailbox */ 1008cd980d46SDavid Xu ret = ps_pread(ta->ph, 1009cd980d46SDavid Xu tcb_addr + ta->thread_off_tmbx + 1010cd980d46SDavid Xu offsetof(struct kse_thr_mailbox, tm_dflags), 1011cd980d46SDavid Xu &dflags, sizeof(uint32_t)); 1012447d36ecSDavid Xu if (ret != 0) 1013447d36ecSDavid Xu return (P2T(ret)); 1014447d36ecSDavid Xu if (step != 0) 1015447d36ecSDavid Xu dflags |= TMDF_SSTEP; 1016447d36ecSDavid Xu else 1017447d36ecSDavid Xu dflags &= ~TMDF_SSTEP; 1018cd980d46SDavid Xu ret = ps_pwrite(ta->ph, 1019cd980d46SDavid Xu tcb_addr + ta->thread_off_tmbx + 1020cd980d46SDavid Xu offsetof(struct kse_thr_mailbox, tm_dflags), 1021cd980d46SDavid Xu &dflags, sizeof(uint32_t)); 10223c1e38eaSMarcel Moolenaar if (ret != 0) 10233c1e38eaSMarcel Moolenaar return (P2T(ret)); 10243c1e38eaSMarcel Moolenaar /* Get lwp */ 1025cd980d46SDavid Xu ret = ps_pread(ta->ph, 1026cd980d46SDavid Xu tcb_addr + ta->thread_off_tmbx + 1027cd980d46SDavid Xu offsetof(struct kse_thr_mailbox, tm_lwp), 1028cd980d46SDavid Xu &lwp, sizeof(lwpid_t)); 10293c1e38eaSMarcel Moolenaar if (ret != 0) 10303c1e38eaSMarcel Moolenaar return (P2T(ret)); 10313c1e38eaSMarcel Moolenaar if (lwp != 0) 1032447d36ecSDavid Xu return (0); 10333c1e38eaSMarcel Moolenaar 1034cd980d46SDavid Xu tmbx_addr = tcb_addr + ta->thread_off_tmbx; 10353c1e38eaSMarcel Moolenaar /* 10363c1e38eaSMarcel Moolenaar * context is in userland, some architectures store 10373c1e38eaSMarcel Moolenaar * single step status in registers, we should change 10383c1e38eaSMarcel Moolenaar * these registers. 10393c1e38eaSMarcel Moolenaar */ 10403c1e38eaSMarcel Moolenaar ret = ps_pread(ta->ph, tmbx_addr, &tmbx, sizeof(tmbx)); 10413c1e38eaSMarcel Moolenaar if (ret == 0) { 10423c1e38eaSMarcel Moolenaar pt_ucontext_to_reg(&tmbx.tm_context, ®s); 10433c1e38eaSMarcel Moolenaar /* only write out if it is really changed. */ 10443c1e38eaSMarcel Moolenaar if (pt_reg_sstep(®s, step) != 0) { 10453c1e38eaSMarcel Moolenaar pt_reg_to_ucontext(®s, &tmbx.tm_context); 10463c1e38eaSMarcel Moolenaar ret = ps_pwrite(ta->ph, tmbx_addr, &tmbx, 10473c1e38eaSMarcel Moolenaar sizeof(tmbx)); 10483c1e38eaSMarcel Moolenaar } 10493c1e38eaSMarcel Moolenaar } 10503c1e38eaSMarcel Moolenaar return (P2T(ret)); 10513c1e38eaSMarcel Moolenaar } 10523c1e38eaSMarcel Moolenaar 10533c1e38eaSMarcel Moolenaar static void 10543c1e38eaSMarcel Moolenaar pt_unmap_lwp(const td_thragent_t *ta, lwpid_t lwp) 10553c1e38eaSMarcel Moolenaar { 10563c1e38eaSMarcel Moolenaar int i; 10573c1e38eaSMarcel Moolenaar 10583c1e38eaSMarcel Moolenaar for (i = 0; i < ta->map_len; ++i) { 10593c1e38eaSMarcel Moolenaar if (ta->map[i].type == PT_LWP && ta->map[i].lwp == lwp) { 10603c1e38eaSMarcel Moolenaar ta->map[i].type = PT_NONE; 10613c1e38eaSMarcel Moolenaar return; 10623c1e38eaSMarcel Moolenaar } 10633c1e38eaSMarcel Moolenaar } 10643c1e38eaSMarcel Moolenaar } 10653c1e38eaSMarcel Moolenaar 10663c1e38eaSMarcel Moolenaar static int 10673c1e38eaSMarcel Moolenaar pt_validate(const td_thrhandle_t *th) 10683c1e38eaSMarcel Moolenaar { 10693c1e38eaSMarcel Moolenaar 10703c1e38eaSMarcel Moolenaar if (th->th_tid < 0 || th->th_tid >= th->th_ta->map_len || 10713c1e38eaSMarcel Moolenaar th->th_ta->map[th->th_tid].type == PT_NONE) 10723c1e38eaSMarcel Moolenaar return (TD_NOTHR); 10733c1e38eaSMarcel Moolenaar return (TD_OK); 10743c1e38eaSMarcel Moolenaar } 10753c1e38eaSMarcel Moolenaar 10763e93cc3aSDavid Xu td_err_e 107716b0c20cSMarcel Moolenaar pt_thr_tls_get_addr(const td_thrhandle_t *th, psaddr_t _linkmap, size_t offset, 107816b0c20cSMarcel Moolenaar psaddr_t *address) 10793e93cc3aSDavid Xu { 10803e93cc3aSDavid Xu const td_thragent_t *ta = th->th_ta; 108116b0c20cSMarcel Moolenaar psaddr_t dtv_addr, obj_entry, tcb_addr; 10823e93cc3aSDavid Xu int tls_index, ret; 10833e93cc3aSDavid Xu 10843e93cc3aSDavid Xu /* linkmap is a member of Obj_Entry */ 108516b0c20cSMarcel Moolenaar obj_entry = _linkmap - ta->thread_off_linkmap; 10863e93cc3aSDavid Xu 10873e93cc3aSDavid Xu /* get tlsindex of the object file */ 10883e93cc3aSDavid Xu ret = ps_pread(ta->ph, 1089cd980d46SDavid Xu obj_entry + ta->thread_off_tlsindex, 10903e93cc3aSDavid Xu &tls_index, sizeof(tls_index)); 10913e93cc3aSDavid Xu if (ret != 0) 10923e93cc3aSDavid Xu return (P2T(ret)); 10933e93cc3aSDavid Xu 10943e93cc3aSDavid Xu /* get thread tcb */ 10953e93cc3aSDavid Xu ret = ps_pread(ta->ph, ta->map[th->th_tid].thr + 1096cd980d46SDavid Xu ta->thread_off_tcb, 10973e93cc3aSDavid Xu &tcb_addr, sizeof(tcb_addr)); 10983e93cc3aSDavid Xu if (ret != 0) 10993e93cc3aSDavid Xu return (P2T(ret)); 11003e93cc3aSDavid Xu 11013e93cc3aSDavid Xu /* get dtv array address */ 1102cd980d46SDavid Xu ret = ps_pread(ta->ph, tcb_addr + ta->thread_off_dtv, 11033e93cc3aSDavid Xu &dtv_addr, sizeof(dtv_addr)); 11043e93cc3aSDavid Xu if (ret != 0) 11053e93cc3aSDavid Xu return (P2T(ret)); 11063e93cc3aSDavid Xu /* now get the object's tls block base address */ 110716b0c20cSMarcel Moolenaar ret = ps_pread(ta->ph, dtv_addr + sizeof(void *) * (tls_index + 1), 110816b0c20cSMarcel Moolenaar address, sizeof(*address)); 11093e93cc3aSDavid Xu if (ret != 0) 11103e93cc3aSDavid Xu return (P2T(ret)); 11113e93cc3aSDavid Xu 11123e93cc3aSDavid Xu *address += offset; 11133e93cc3aSDavid Xu return (TD_OK); 11143e93cc3aSDavid Xu } 11153e93cc3aSDavid Xu 11163c1e38eaSMarcel Moolenaar struct ta_ops libpthread_db_ops = { 11173c1e38eaSMarcel Moolenaar .to_init = pt_init, 11183c1e38eaSMarcel Moolenaar .to_ta_clear_event = pt_ta_clear_event, 11193c1e38eaSMarcel Moolenaar .to_ta_delete = pt_ta_delete, 11203c1e38eaSMarcel Moolenaar .to_ta_event_addr = pt_ta_event_addr, 11213c1e38eaSMarcel Moolenaar .to_ta_event_getmsg = pt_ta_event_getmsg, 11223c1e38eaSMarcel Moolenaar .to_ta_map_id2thr = pt_ta_map_id2thr, 11233c1e38eaSMarcel Moolenaar .to_ta_map_lwp2thr = pt_ta_map_lwp2thr, 11243c1e38eaSMarcel Moolenaar .to_ta_new = pt_ta_new, 11253c1e38eaSMarcel Moolenaar .to_ta_set_event = pt_ta_set_event, 11263c1e38eaSMarcel Moolenaar .to_ta_thr_iter = pt_ta_thr_iter, 11273c1e38eaSMarcel Moolenaar .to_ta_tsd_iter = pt_ta_tsd_iter, 11283c1e38eaSMarcel Moolenaar .to_thr_clear_event = pt_thr_clear_event, 11293c1e38eaSMarcel Moolenaar .to_thr_dbresume = pt_thr_dbresume, 11303c1e38eaSMarcel Moolenaar .to_thr_dbsuspend = pt_thr_dbsuspend, 11313c1e38eaSMarcel Moolenaar .to_thr_event_enable = pt_thr_event_enable, 11323c1e38eaSMarcel Moolenaar .to_thr_event_getmsg = pt_thr_event_getmsg, 11333c1e38eaSMarcel Moolenaar .to_thr_get_info = pt_thr_get_info, 11343c1e38eaSMarcel Moolenaar .to_thr_getfpregs = pt_thr_getfpregs, 11353c1e38eaSMarcel Moolenaar .to_thr_getgregs = pt_thr_getgregs, 11363c1e38eaSMarcel Moolenaar .to_thr_set_event = pt_thr_set_event, 11373c1e38eaSMarcel Moolenaar .to_thr_setfpregs = pt_thr_setfpregs, 11383c1e38eaSMarcel Moolenaar .to_thr_setgregs = pt_thr_setgregs, 11393c1e38eaSMarcel Moolenaar .to_thr_validate = pt_thr_validate, 11403e93cc3aSDavid Xu .to_thr_tls_get_addr = pt_thr_tls_get_addr, 11413c1e38eaSMarcel Moolenaar 11423c1e38eaSMarcel Moolenaar /* FreeBSD specific extensions. */ 11433c1e38eaSMarcel Moolenaar .to_thr_sstep = pt_thr_sstep, 11448d7681bbSDoug Rabson #ifdef __i386__ 11458d7681bbSDoug Rabson .to_thr_getxmmregs = pt_thr_getxmmregs, 11468d7681bbSDoug Rabson .to_thr_setxmmregs = pt_thr_setxmmregs, 11478d7681bbSDoug Rabson #endif 11483c1e38eaSMarcel Moolenaar }; 114920b94d80SDavid Xu 115020b94d80SDavid Xu DATA_SET(__ta_ops, libpthread_db_ops); 1151