17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 534709573Sraf * Common Development and Distribution License (the "License"). 634709573Sraf * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 2134709573Sraf 227c478bd9Sstevel@tonic-gate /* 233cd8a1a6SRoger A. Faulkner * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. 2428e4da25SMatthew Ahrens * Copyright (c) 2012 by Delphix. All rights reserved. 25e0ee3cedSJason King * Copyright 2017, Joyent, Inc. 264f364e7cSRobert Mustacchi */ 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate #include <sys/mdb_modapi.h> 294a1c2431SJonathan Adams #include <mdb/mdb_whatis.h> 3028e4da25SMatthew Ahrens #include <mdb/mdb_ctf.h> 317c478bd9Sstevel@tonic-gate #include <procfs.h> 327c478bd9Sstevel@tonic-gate #include <ucontext.h> 337c478bd9Sstevel@tonic-gate #include <siginfo.h> 347c478bd9Sstevel@tonic-gate #include <signal.h> 357c478bd9Sstevel@tonic-gate #include <setjmp.h> 367c478bd9Sstevel@tonic-gate #include <string.h> 377c478bd9Sstevel@tonic-gate #include <thr_uberdata.h> 38c9a6ea2eSBryan Cantrill #include "findstack.h" 397c478bd9Sstevel@tonic-gate 407c478bd9Sstevel@tonic-gate static const char * 417c478bd9Sstevel@tonic-gate stack_flags(const stack_t *sp) 427c478bd9Sstevel@tonic-gate { 437c478bd9Sstevel@tonic-gate static char buf[32]; 447c478bd9Sstevel@tonic-gate 457c478bd9Sstevel@tonic-gate if (sp->ss_flags == 0) 467c478bd9Sstevel@tonic-gate (void) strcpy(buf, " 0"); 477c478bd9Sstevel@tonic-gate else if (sp->ss_flags & ~(SS_ONSTACK | SS_DISABLE)) 487c478bd9Sstevel@tonic-gate (void) mdb_snprintf(buf, sizeof (buf), " 0x%x", sp->ss_flags); 497c478bd9Sstevel@tonic-gate else { 507c478bd9Sstevel@tonic-gate buf[0] = '\0'; 517c478bd9Sstevel@tonic-gate if (sp->ss_flags & SS_ONSTACK) 527c478bd9Sstevel@tonic-gate (void) strcat(buf, "|ONSTACK"); 537c478bd9Sstevel@tonic-gate if (sp->ss_flags & SS_DISABLE) 547c478bd9Sstevel@tonic-gate (void) strcat(buf, "|DISABLE"); 557c478bd9Sstevel@tonic-gate } 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate return (buf + 1); 587c478bd9Sstevel@tonic-gate } 597c478bd9Sstevel@tonic-gate 607c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 617c478bd9Sstevel@tonic-gate static int 627c478bd9Sstevel@tonic-gate d_jmp_buf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 637c478bd9Sstevel@tonic-gate { 647c478bd9Sstevel@tonic-gate jmp_buf jb; 657c478bd9Sstevel@tonic-gate const ulong_t *b = (const ulong_t *)jb; 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate if (argc != 0) 687c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate if (mdb_vread(&jb, sizeof (jb), addr) != sizeof (jb)) { 717c478bd9Sstevel@tonic-gate mdb_warn("failed to read jmp_buf at %p", addr); 727c478bd9Sstevel@tonic-gate return (DCMD_ERR); 737c478bd9Sstevel@tonic-gate } 747c478bd9Sstevel@tonic-gate 757c478bd9Sstevel@tonic-gate #if defined(__sparc) 767c478bd9Sstevel@tonic-gate mdb_printf(" %%sp = 0x%lx\n", b[1]); 777c478bd9Sstevel@tonic-gate mdb_printf(" %%pc = 0x%lx %lA\n", b[2], b[2]); 787c478bd9Sstevel@tonic-gate mdb_printf(" %%fp = 0x%lx\n", b[3]); 797c478bd9Sstevel@tonic-gate mdb_printf(" %%i7 = 0x%lx %lA\n", b[4], b[4]); 807c478bd9Sstevel@tonic-gate #elif defined(__amd64) 817c478bd9Sstevel@tonic-gate mdb_printf(" %%rbx = 0x%lx\n", b[0]); 827c478bd9Sstevel@tonic-gate mdb_printf(" %%r12 = 0x%lx\n", b[1]); 837c478bd9Sstevel@tonic-gate mdb_printf(" %%r13 = 0x%lx\n", b[2]); 847c478bd9Sstevel@tonic-gate mdb_printf(" %%r14 = 0x%lx\n", b[3]); 857c478bd9Sstevel@tonic-gate mdb_printf(" %%r15 = 0x%lx\n", b[4]); 867c478bd9Sstevel@tonic-gate mdb_printf(" %%rbp = 0x%lx\n", b[5]); 877c478bd9Sstevel@tonic-gate mdb_printf(" %%rsp = 0x%lx\n", b[6]); 887c478bd9Sstevel@tonic-gate mdb_printf(" %%rip = 0x%lx %lA\n", b[7], b[7]); 897c478bd9Sstevel@tonic-gate #elif defined(__i386) 907c478bd9Sstevel@tonic-gate mdb_printf(" %%ebx = 0x%lx\n", b[0]); 917c478bd9Sstevel@tonic-gate mdb_printf(" %%esi = 0x%lx\n", b[1]); 927c478bd9Sstevel@tonic-gate mdb_printf(" %%edi = 0x%lx\n", b[2]); 937c478bd9Sstevel@tonic-gate mdb_printf(" %%ebp = 0x%lx\n", b[3]); 947c478bd9Sstevel@tonic-gate mdb_printf(" %%esp = 0x%lx\n", b[4]); 957c478bd9Sstevel@tonic-gate mdb_printf(" %%eip = 0x%lx %lA\n", b[5], b[5]); 967c478bd9Sstevel@tonic-gate #endif 977c478bd9Sstevel@tonic-gate return (DCMD_OK); 987c478bd9Sstevel@tonic-gate } 997c478bd9Sstevel@tonic-gate 1008f88a51fSJoshua M. Clulow const mdb_bitmask_t uc_flags_bits[] = { 1018f88a51fSJoshua M. Clulow { "UC_SIGMASK", UC_SIGMASK, UC_SIGMASK }, 1028f88a51fSJoshua M. Clulow { "UC_STACK", UC_STACK, UC_STACK }, 1038f88a51fSJoshua M. Clulow { "UC_CPU", UC_CPU, UC_CPU }, 1048f88a51fSJoshua M. Clulow { "UC_FPU", UC_FPU, UC_FPU }, 1058f88a51fSJoshua M. Clulow #if defined(UC_INTR) 1068f88a51fSJoshua M. Clulow { "UC_INTR", UC_INTR, UC_INTR }, 1078f88a51fSJoshua M. Clulow #endif 1088f88a51fSJoshua M. Clulow #if defined(UC_ASR) 1098f88a51fSJoshua M. Clulow { "UC_ASR", UC_ASR, UC_ASR }, 1108f88a51fSJoshua M. Clulow #endif 1118f88a51fSJoshua M. Clulow { NULL, 0, 0 } 1128f88a51fSJoshua M. Clulow }; 1138f88a51fSJoshua M. Clulow 1147c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1157c478bd9Sstevel@tonic-gate static int 1167c478bd9Sstevel@tonic-gate d_ucontext(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1177c478bd9Sstevel@tonic-gate { 1187c478bd9Sstevel@tonic-gate ucontext_t uc; 1197c478bd9Sstevel@tonic-gate 1207c478bd9Sstevel@tonic-gate if (argc != 0) 1217c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 1227c478bd9Sstevel@tonic-gate 1237c478bd9Sstevel@tonic-gate if (mdb_vread(&uc, sizeof (uc), addr) != sizeof (uc)) { 1247c478bd9Sstevel@tonic-gate mdb_warn("failed to read ucontext at %p", addr); 1257c478bd9Sstevel@tonic-gate return (DCMD_ERR); 1267c478bd9Sstevel@tonic-gate } 1277c478bd9Sstevel@tonic-gate 1288f88a51fSJoshua M. Clulow mdb_printf(" flags = 0x%lx <%b>\n", uc.uc_flags, 1298f88a51fSJoshua M. Clulow (uint_t)uc.uc_flags, uc_flags_bits); 1307c478bd9Sstevel@tonic-gate mdb_printf(" link = 0x%p\n", uc.uc_link); 1317c478bd9Sstevel@tonic-gate mdb_printf(" sigmask = 0x%08x 0x%08x 0x%08x 0x%08x\n", 1327c478bd9Sstevel@tonic-gate uc.uc_sigmask.__sigbits[0], uc.uc_sigmask.__sigbits[1], 1337c478bd9Sstevel@tonic-gate uc.uc_sigmask.__sigbits[2], uc.uc_sigmask.__sigbits[3]); 1347c478bd9Sstevel@tonic-gate mdb_printf(" stack = sp 0x%p size 0x%lx flags %s\n", 1357c478bd9Sstevel@tonic-gate uc.uc_stack.ss_sp, uc.uc_stack.ss_size, stack_flags(&uc.uc_stack)); 1367c478bd9Sstevel@tonic-gate mdb_printf(" mcontext = 0x%p\n", 1377c478bd9Sstevel@tonic-gate addr + OFFSETOF(ucontext_t, uc_mcontext)); 1387c478bd9Sstevel@tonic-gate 1397c478bd9Sstevel@tonic-gate return (DCMD_OK); 1407c478bd9Sstevel@tonic-gate } 1417c478bd9Sstevel@tonic-gate 1427c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1437c478bd9Sstevel@tonic-gate static int 1447c478bd9Sstevel@tonic-gate d_sigjmp_buf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1457c478bd9Sstevel@tonic-gate { 1467c478bd9Sstevel@tonic-gate #if defined(__sparc) 1477c478bd9Sstevel@tonic-gate struct { 1487c478bd9Sstevel@tonic-gate int sjs_flags; 1497c478bd9Sstevel@tonic-gate greg_t sjs_sp; 1507c478bd9Sstevel@tonic-gate greg_t sjs_pc; 1517c478bd9Sstevel@tonic-gate greg_t sjs_fp; 1527c478bd9Sstevel@tonic-gate greg_t sjs_i7; 1537c478bd9Sstevel@tonic-gate ucontext_t *sjs_uclink; 1547c478bd9Sstevel@tonic-gate ulong_t sjs_pad[_JBLEN - 6]; 1557c478bd9Sstevel@tonic-gate sigset_t sjs_sigmask; 1567c478bd9Sstevel@tonic-gate #if defined(_LP64) 1573cd8a1a6SRoger A. Faulkner greg_t sjs_asi; 1583cd8a1a6SRoger A. Faulkner greg_t sjs_fprs; 1597c478bd9Sstevel@tonic-gate #endif 1607c478bd9Sstevel@tonic-gate stack_t sjs_stack; 1617c478bd9Sstevel@tonic-gate } s; 1627c478bd9Sstevel@tonic-gate 1637c478bd9Sstevel@tonic-gate if (argc != 0) 1647c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 1657c478bd9Sstevel@tonic-gate 1667c478bd9Sstevel@tonic-gate if (mdb_vread(&s, sizeof (s), addr) != sizeof (s)) { 1677c478bd9Sstevel@tonic-gate mdb_warn("failed to read sigjmp_buf at %p", addr); 1687c478bd9Sstevel@tonic-gate return (DCMD_ERR); 1697c478bd9Sstevel@tonic-gate } 1707c478bd9Sstevel@tonic-gate 1717c478bd9Sstevel@tonic-gate mdb_printf(" flags = 0x%x\n", s.sjs_flags); 1727c478bd9Sstevel@tonic-gate mdb_printf(" %%sp = 0x%lx %lA\n", s.sjs_sp, s.sjs_sp); 1737c478bd9Sstevel@tonic-gate mdb_printf(" %%pc = 0x%lx %lA\n", s.sjs_pc, s.sjs_pc); 1747c478bd9Sstevel@tonic-gate mdb_printf(" %%fp = 0x%lx %lA\n", s.sjs_fp, s.sjs_fp); 1757c478bd9Sstevel@tonic-gate mdb_printf(" %%i7 = 0x%lx %lA\n", s.sjs_i7, s.sjs_i7); 1767c478bd9Sstevel@tonic-gate mdb_printf(" uclink = %p\n", s.sjs_uclink); 1777c478bd9Sstevel@tonic-gate mdb_printf(" sigset = 0x%08x 0x%08x 0x%08x 0x%08x\n", 1787c478bd9Sstevel@tonic-gate s.sjs_sigmask.__sigbits[0], s.sjs_sigmask.__sigbits[1], 1797c478bd9Sstevel@tonic-gate s.sjs_sigmask.__sigbits[2], s.sjs_sigmask.__sigbits[3]); 1803cd8a1a6SRoger A. Faulkner #if defined(_LP64) 1813cd8a1a6SRoger A. Faulkner mdb_printf(" %%asi = 0x%lx\n", s.sjs_asi); 1823cd8a1a6SRoger A. Faulkner mdb_printf(" %%fprs = 0x%lx\n", s.sjs_fprs); 1833cd8a1a6SRoger A. Faulkner #endif 1847c478bd9Sstevel@tonic-gate mdb_printf(" stack = sp 0x%p size 0x%lx flags %s\n", 1857c478bd9Sstevel@tonic-gate s.sjs_stack.ss_sp, s.sjs_stack.ss_size, stack_flags(&s.sjs_stack)); 1867c478bd9Sstevel@tonic-gate 1877c478bd9Sstevel@tonic-gate return (DCMD_OK); 1887c478bd9Sstevel@tonic-gate 1897c478bd9Sstevel@tonic-gate #elif defined(__i386) || defined(__amd64) 1907c478bd9Sstevel@tonic-gate return (d_ucontext(addr, flags, argc, argv)); 1917c478bd9Sstevel@tonic-gate #endif 1927c478bd9Sstevel@tonic-gate } 1937c478bd9Sstevel@tonic-gate 1947c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1957c478bd9Sstevel@tonic-gate static int 1967c478bd9Sstevel@tonic-gate d_siginfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1977c478bd9Sstevel@tonic-gate { 1987c478bd9Sstevel@tonic-gate static const char *const msname[] = { 1997c478bd9Sstevel@tonic-gate "USER", "SYSTEM", "TRAP", "TFAULT", "DFAULT", "KFAULT", 2007c478bd9Sstevel@tonic-gate "USER_LOCK", "SLEEP", "WAIT_CPU", "STOPPED" 2017c478bd9Sstevel@tonic-gate }; 2027c478bd9Sstevel@tonic-gate 2037c478bd9Sstevel@tonic-gate char signame[SIG2STR_MAX]; 2047c478bd9Sstevel@tonic-gate siginfo_t si; 2057c478bd9Sstevel@tonic-gate int i; 2067c478bd9Sstevel@tonic-gate 2077c478bd9Sstevel@tonic-gate if (argc != 0) 2087c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 2097c478bd9Sstevel@tonic-gate 2107c478bd9Sstevel@tonic-gate if (mdb_vread(&si, sizeof (si), addr) != sizeof (si)) { 2117c478bd9Sstevel@tonic-gate mdb_warn("failed to read siginfo at %p", addr); 2127c478bd9Sstevel@tonic-gate return (DCMD_ERR); 2137c478bd9Sstevel@tonic-gate } 2147c478bd9Sstevel@tonic-gate 2157c478bd9Sstevel@tonic-gate if (sig2str(si.si_signo, signame) == -1) 2167c478bd9Sstevel@tonic-gate (void) strcpy(signame, "unknown"); 2177c478bd9Sstevel@tonic-gate 2187c478bd9Sstevel@tonic-gate mdb_printf(" signal %5d (%s)\n", si.si_signo, signame); 2197c478bd9Sstevel@tonic-gate mdb_printf(" code %5d (", si.si_code); 2207c478bd9Sstevel@tonic-gate 2217c478bd9Sstevel@tonic-gate switch (si.si_code) { 2227c478bd9Sstevel@tonic-gate case SI_NOINFO: 2237c478bd9Sstevel@tonic-gate mdb_printf("no info"); 2247c478bd9Sstevel@tonic-gate break; 2257c478bd9Sstevel@tonic-gate case SI_DTRACE: 2267c478bd9Sstevel@tonic-gate mdb_printf("from DTrace raise() action"); 2277c478bd9Sstevel@tonic-gate break; 2287c478bd9Sstevel@tonic-gate case SI_RCTL: 2297c478bd9Sstevel@tonic-gate mdb_printf("from rctl action"); 2307c478bd9Sstevel@tonic-gate break; 2317c478bd9Sstevel@tonic-gate case SI_USER: 2327c478bd9Sstevel@tonic-gate mdb_printf("user generated via kill"); 2337c478bd9Sstevel@tonic-gate break; 2347c478bd9Sstevel@tonic-gate case SI_LWP: 2357c478bd9Sstevel@tonic-gate mdb_printf("user generated via lwp_kill"); 2367c478bd9Sstevel@tonic-gate break; 2377c478bd9Sstevel@tonic-gate case SI_QUEUE: 2387c478bd9Sstevel@tonic-gate mdb_printf("user generated via sigqueue"); 2397c478bd9Sstevel@tonic-gate break; 2407c478bd9Sstevel@tonic-gate case SI_TIMER: 2417c478bd9Sstevel@tonic-gate mdb_printf("from timer expiration"); 2427c478bd9Sstevel@tonic-gate break; 2437c478bd9Sstevel@tonic-gate case SI_ASYNCIO: 2447c478bd9Sstevel@tonic-gate mdb_printf("from async i/o completion"); 2457c478bd9Sstevel@tonic-gate break; 2467c478bd9Sstevel@tonic-gate case SI_MESGQ: 2477c478bd9Sstevel@tonic-gate mdb_printf("from message arrival"); 2487c478bd9Sstevel@tonic-gate break; 2497c478bd9Sstevel@tonic-gate default: 2507c478bd9Sstevel@tonic-gate if (SI_FROMUSER(&si)) 2517c478bd9Sstevel@tonic-gate mdb_printf("from user process"); 2527c478bd9Sstevel@tonic-gate else 2537c478bd9Sstevel@tonic-gate mdb_printf("from kernel"); 2547c478bd9Sstevel@tonic-gate } 2557c478bd9Sstevel@tonic-gate 2567c478bd9Sstevel@tonic-gate mdb_printf(")\n errno %5d (%s)\n", 2577c478bd9Sstevel@tonic-gate si.si_errno, strerror(si.si_errno)); 2587c478bd9Sstevel@tonic-gate 2597c478bd9Sstevel@tonic-gate if (si.si_code == SI_USER || si.si_code == SI_QUEUE) { 2607c478bd9Sstevel@tonic-gate mdb_printf(" signal sent from PID %d (uid %d)\n", 2617c478bd9Sstevel@tonic-gate si.si_pid, si.si_uid); 2627c478bd9Sstevel@tonic-gate } 2637c478bd9Sstevel@tonic-gate 2647c478bd9Sstevel@tonic-gate if (si.si_code == SI_QUEUE) { 2657c478bd9Sstevel@tonic-gate mdb_printf(" signal value = 0t%d / %p\n", 2667c478bd9Sstevel@tonic-gate si.si_value.sival_int, si.si_value.sival_ptr); 2677c478bd9Sstevel@tonic-gate } 2687c478bd9Sstevel@tonic-gate 2697c478bd9Sstevel@tonic-gate switch (si.si_signo) { 2707c478bd9Sstevel@tonic-gate case SIGCLD: 2717c478bd9Sstevel@tonic-gate mdb_printf(" signal sent from child PID %d (uid %d)\n", 2727c478bd9Sstevel@tonic-gate si.si_pid, si.si_uid); 2737c478bd9Sstevel@tonic-gate mdb_printf(" usr time = 0t%ld ticks, sys time = 0t%ld ticks\n", 2747c478bd9Sstevel@tonic-gate si.si_utime, si.si_stime); 2757c478bd9Sstevel@tonic-gate mdb_printf(" wait status = 0x%x\n", si.si_status); 2767c478bd9Sstevel@tonic-gate break; 2777c478bd9Sstevel@tonic-gate 2787c478bd9Sstevel@tonic-gate case SIGSEGV: 2797c478bd9Sstevel@tonic-gate case SIGBUS: 2807c478bd9Sstevel@tonic-gate case SIGILL: 2817c478bd9Sstevel@tonic-gate case SIGTRAP: 2827c478bd9Sstevel@tonic-gate case SIGFPE: 2837c478bd9Sstevel@tonic-gate mdb_printf(" fault address = 0x%p\n trapno = %d\n", 2847c478bd9Sstevel@tonic-gate si.si_addr, si.si_trapno); 2857c478bd9Sstevel@tonic-gate mdb_printf(" instruction address = 0x%p %lA\n", 2867c478bd9Sstevel@tonic-gate si.si_pc, si.si_pc); 2877c478bd9Sstevel@tonic-gate break; 2887c478bd9Sstevel@tonic-gate 2897c478bd9Sstevel@tonic-gate case SIGPOLL: 2907c478bd9Sstevel@tonic-gate case SIGXFSZ: 2917c478bd9Sstevel@tonic-gate mdb_printf(" fd = %d band = 0x%lx\n", 2927c478bd9Sstevel@tonic-gate si.si_fd, si.si_band); 2937c478bd9Sstevel@tonic-gate break; 2947c478bd9Sstevel@tonic-gate 2957c478bd9Sstevel@tonic-gate case SIGPROF: 2967c478bd9Sstevel@tonic-gate mdb_printf(" last fault address = 0x%p fault type = %d\n", 2977c478bd9Sstevel@tonic-gate si.si_faddr, si.si_fault); 2987c478bd9Sstevel@tonic-gate mdb_printf(" timestamp = 0t%ld sec 0t%ld nsec\n", 2997c478bd9Sstevel@tonic-gate si.si_tstamp.tv_sec, si.si_tstamp.tv_nsec); 3007c478bd9Sstevel@tonic-gate 3017c478bd9Sstevel@tonic-gate if (si.__data.__prof.__syscall != 0) { 3027c478bd9Sstevel@tonic-gate mdb_printf(" system call %d (", si.si_syscall); 3037c478bd9Sstevel@tonic-gate if (si.si_nsysarg > 0) { 3047c478bd9Sstevel@tonic-gate mdb_printf("%lx", si.si_sysarg[0]); 3057c478bd9Sstevel@tonic-gate for (i = 1; i < si.si_nsysarg; i++) 3067c478bd9Sstevel@tonic-gate mdb_printf(", %lx", si.si_sysarg[i]); 3077c478bd9Sstevel@tonic-gate } 3087c478bd9Sstevel@tonic-gate mdb_printf(" )\n"); 3097c478bd9Sstevel@tonic-gate } 3107c478bd9Sstevel@tonic-gate 3117c478bd9Sstevel@tonic-gate for (i = 0; i < sizeof (msname) / sizeof (msname[0]); i++) { 3127c478bd9Sstevel@tonic-gate mdb_printf(" mstate[\"%s\"] = %d\n", 3137c478bd9Sstevel@tonic-gate msname[i], si.si_mstate[i]); 3147c478bd9Sstevel@tonic-gate } 3157c478bd9Sstevel@tonic-gate break; 3167c478bd9Sstevel@tonic-gate } 3177c478bd9Sstevel@tonic-gate 3187c478bd9Sstevel@tonic-gate return (DCMD_OK); 3197c478bd9Sstevel@tonic-gate } 3207c478bd9Sstevel@tonic-gate 3217c478bd9Sstevel@tonic-gate static int 3227c478bd9Sstevel@tonic-gate uc_walk_step(mdb_walk_state_t *wsp) 3237c478bd9Sstevel@tonic-gate { 3247c478bd9Sstevel@tonic-gate uintptr_t addr = wsp->walk_addr; 3257c478bd9Sstevel@tonic-gate ucontext_t uc; 3267c478bd9Sstevel@tonic-gate 327*892ad162SToomas Soome if (addr == 0) 3287c478bd9Sstevel@tonic-gate return (WALK_DONE); 3297c478bd9Sstevel@tonic-gate 3307c478bd9Sstevel@tonic-gate if (mdb_vread(&uc, sizeof (uc), addr) != sizeof (uc)) { 3317c478bd9Sstevel@tonic-gate mdb_warn("failed to read ucontext at %p", addr); 3327c478bd9Sstevel@tonic-gate return (WALK_ERR); 3337c478bd9Sstevel@tonic-gate } 3347c478bd9Sstevel@tonic-gate 3357c478bd9Sstevel@tonic-gate wsp->walk_addr = (uintptr_t)uc.uc_link; 3367c478bd9Sstevel@tonic-gate return (wsp->walk_callback(addr, &uc, wsp->walk_cbdata)); 3377c478bd9Sstevel@tonic-gate } 3387c478bd9Sstevel@tonic-gate 3397c478bd9Sstevel@tonic-gate static int 3407c478bd9Sstevel@tonic-gate oldc_walk_init(mdb_walk_state_t *wsp) 3417c478bd9Sstevel@tonic-gate { 3427c478bd9Sstevel@tonic-gate ssize_t nbytes = mdb_get_xdata("lwpstatus", NULL, 0); 3437c478bd9Sstevel@tonic-gate 3447c478bd9Sstevel@tonic-gate if (nbytes <= 0) { 3457c478bd9Sstevel@tonic-gate mdb_warn("lwpstatus information not available"); 3467c478bd9Sstevel@tonic-gate return (WALK_ERR); 3477c478bd9Sstevel@tonic-gate } 3487c478bd9Sstevel@tonic-gate 349*892ad162SToomas Soome if (wsp->walk_addr != 0) { 3507c478bd9Sstevel@tonic-gate mdb_warn("walker only supports global walk\n"); 3517c478bd9Sstevel@tonic-gate return (WALK_ERR); 3527c478bd9Sstevel@tonic-gate } 3537c478bd9Sstevel@tonic-gate 3547c478bd9Sstevel@tonic-gate wsp->walk_addr = nbytes; /* Use walk_addr to track size */ 3557c478bd9Sstevel@tonic-gate wsp->walk_data = mdb_alloc(nbytes, UM_SLEEP); 3567c478bd9Sstevel@tonic-gate 3577c478bd9Sstevel@tonic-gate if (mdb_get_xdata("lwpstatus", wsp->walk_data, nbytes) != nbytes) { 3587c478bd9Sstevel@tonic-gate mdb_warn("failed to read lwpstatus information"); 3597c478bd9Sstevel@tonic-gate mdb_free(wsp->walk_data, nbytes); 3607c478bd9Sstevel@tonic-gate return (WALK_ERR); 3617c478bd9Sstevel@tonic-gate } 3627c478bd9Sstevel@tonic-gate 3637c478bd9Sstevel@tonic-gate wsp->walk_arg = wsp->walk_data; /* Use walk_arg to track pointer */ 3647c478bd9Sstevel@tonic-gate return (WALK_NEXT); 3657c478bd9Sstevel@tonic-gate } 3667c478bd9Sstevel@tonic-gate 3677c478bd9Sstevel@tonic-gate static int 3687c478bd9Sstevel@tonic-gate oldc_walk_step(mdb_walk_state_t *wsp) 3697c478bd9Sstevel@tonic-gate { 3707c478bd9Sstevel@tonic-gate const lwpstatus_t *lsp, *end; 3717c478bd9Sstevel@tonic-gate 3727c478bd9Sstevel@tonic-gate end = (const lwpstatus_t *)((uintptr_t)wsp->walk_data + wsp->walk_addr); 3737c478bd9Sstevel@tonic-gate lsp = wsp->walk_arg; 3747c478bd9Sstevel@tonic-gate 3757c478bd9Sstevel@tonic-gate wsp->walk_arg = (void *)(lsp + 1); 3767c478bd9Sstevel@tonic-gate 3777c478bd9Sstevel@tonic-gate if (lsp < end) { 3787c478bd9Sstevel@tonic-gate uintptr_t addr = lsp->pr_oldcontext; 3797c478bd9Sstevel@tonic-gate ucontext_t uc; 3807c478bd9Sstevel@tonic-gate 381*892ad162SToomas Soome if (addr == 0) 3827c478bd9Sstevel@tonic-gate return (WALK_NEXT); 3837c478bd9Sstevel@tonic-gate 3847c478bd9Sstevel@tonic-gate if (mdb_vread(&uc, sizeof (uc), addr) != sizeof (uc)) { 3857c478bd9Sstevel@tonic-gate mdb_warn("failed to read ucontext at %p", addr); 3867c478bd9Sstevel@tonic-gate return (WALK_NEXT); 3877c478bd9Sstevel@tonic-gate } 3887c478bd9Sstevel@tonic-gate 3897c478bd9Sstevel@tonic-gate return (wsp->walk_callback(addr, &uc, wsp->walk_cbdata)); 3907c478bd9Sstevel@tonic-gate } 3917c478bd9Sstevel@tonic-gate 3927c478bd9Sstevel@tonic-gate return (WALK_DONE); 3937c478bd9Sstevel@tonic-gate } 3947c478bd9Sstevel@tonic-gate 3957c478bd9Sstevel@tonic-gate static void 3967c478bd9Sstevel@tonic-gate oldc_walk_fini(mdb_walk_state_t *wsp) 3977c478bd9Sstevel@tonic-gate { 3987c478bd9Sstevel@tonic-gate mdb_free(wsp->walk_data, wsp->walk_addr); /* walk_addr has size */ 3997c478bd9Sstevel@tonic-gate } 4007c478bd9Sstevel@tonic-gate 4017c478bd9Sstevel@tonic-gate /* 4027c478bd9Sstevel@tonic-gate * ==================== threads ========================== 4037c478bd9Sstevel@tonic-gate * These are the interfaces that used to require libthread. 4047c478bd9Sstevel@tonic-gate * Now, libthread has been folded into libc. 4057c478bd9Sstevel@tonic-gate * ======================================================= 4067c478bd9Sstevel@tonic-gate */ 4077c478bd9Sstevel@tonic-gate 4087c478bd9Sstevel@tonic-gate /* 4097c478bd9Sstevel@tonic-gate * prt_addr() is called up to three times to generate arguments for 4107c478bd9Sstevel@tonic-gate * one call to mdb_printf(). We must return at least three different 4117c478bd9Sstevel@tonic-gate * pointers to static storage for consecutive calls to prt_addr(). 4127c478bd9Sstevel@tonic-gate */ 4137c478bd9Sstevel@tonic-gate static const char * 4147c478bd9Sstevel@tonic-gate prt_addr(void *addr, int pad) 4157c478bd9Sstevel@tonic-gate { 4167c478bd9Sstevel@tonic-gate static char buffer[4][24]; 4177c478bd9Sstevel@tonic-gate static int ix = 0; 4187c478bd9Sstevel@tonic-gate char *buf; 4197c478bd9Sstevel@tonic-gate 4207c478bd9Sstevel@tonic-gate if (ix == 4) /* use buffers in sequence: 0, 1, 2, 3 */ 4217c478bd9Sstevel@tonic-gate ix = 0; 4227c478bd9Sstevel@tonic-gate buf = buffer[ix++]; 4237c478bd9Sstevel@tonic-gate if (addr == NULL) 4247c478bd9Sstevel@tonic-gate return (pad? "<NULL> " : "<NULL>"); 4257c478bd9Sstevel@tonic-gate else { 4267c478bd9Sstevel@tonic-gate #ifdef _LP64 4277c478bd9Sstevel@tonic-gate (void) mdb_snprintf(buf, sizeof (buffer[0]), "0x%016lx", addr); 4287c478bd9Sstevel@tonic-gate if (pad) 4297c478bd9Sstevel@tonic-gate (void) strcpy(buf + 18, " "); 4307c478bd9Sstevel@tonic-gate #else 4317c478bd9Sstevel@tonic-gate (void) mdb_snprintf(buf, sizeof (buffer[0]), "0x%08lx", addr); 4327c478bd9Sstevel@tonic-gate if (pad) 4337c478bd9Sstevel@tonic-gate (void) strcpy(buf + 10, " "); 4347c478bd9Sstevel@tonic-gate #endif /* _LP64 */ 4357c478bd9Sstevel@tonic-gate return (buf); 4367c478bd9Sstevel@tonic-gate } 4377c478bd9Sstevel@tonic-gate } 4387c478bd9Sstevel@tonic-gate 4397c478bd9Sstevel@tonic-gate #define HD(str) mdb_printf(" " str "\n") 4407c478bd9Sstevel@tonic-gate #define OFFSTR "+0x%-7lx " 4417c478bd9Sstevel@tonic-gate #define OFFSET(member) ((size_t)OFFSETOF(ulwp_t, member)) 4427c478bd9Sstevel@tonic-gate 4437c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 4447c478bd9Sstevel@tonic-gate static int 4457c478bd9Sstevel@tonic-gate d_ulwp(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 4467c478bd9Sstevel@tonic-gate { 4477c478bd9Sstevel@tonic-gate ulwp_t ulwp; 4487c478bd9Sstevel@tonic-gate 4497c478bd9Sstevel@tonic-gate if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 4507c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 4517c478bd9Sstevel@tonic-gate 4527c478bd9Sstevel@tonic-gate if (mdb_vread(&ulwp, sizeof (ulwp), addr) != sizeof (ulwp) && 4537c478bd9Sstevel@tonic-gate (bzero(&ulwp, sizeof (ulwp)), 4547c478bd9Sstevel@tonic-gate mdb_vread(&ulwp, REPLACEMENT_SIZE, addr)) != REPLACEMENT_SIZE) { 4557c478bd9Sstevel@tonic-gate mdb_warn("failed to read ulwp at 0x%p", addr); 4567c478bd9Sstevel@tonic-gate return (DCMD_ERR); 4577c478bd9Sstevel@tonic-gate } 4587c478bd9Sstevel@tonic-gate 4597c478bd9Sstevel@tonic-gate mdb_printf("%#a\n", addr); 4607c478bd9Sstevel@tonic-gate 4617c478bd9Sstevel@tonic-gate HD("self uberdata"); 4627c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s\n", 4638cd45542Sraf OFFSET(ul_self), 4648cd45542Sraf prt_addr(ulwp.ul_self, 1), 4658cd45542Sraf prt_addr(ulwp.ul_uberdata, 0)); 4667c478bd9Sstevel@tonic-gate 4677c478bd9Sstevel@tonic-gate HD("tlsent ntlsent"); 4687c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %ld\n", 4698cd45542Sraf OFFSET(ul_tlsent), 4708cd45542Sraf prt_addr(ulwp.ul_tlsent, 1), 4718cd45542Sraf ulwp.ul_ntlsent); 4727c478bd9Sstevel@tonic-gate 4737c478bd9Sstevel@tonic-gate HD("forw back next"); 4747c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 4758cd45542Sraf OFFSET(ul_forw), 4768cd45542Sraf prt_addr(ulwp.ul_forw, 1), 4778cd45542Sraf prt_addr(ulwp.ul_back, 1), 4788cd45542Sraf prt_addr(ulwp.ul_next, 0)); 4797c478bd9Sstevel@tonic-gate 4807c478bd9Sstevel@tonic-gate HD("hash rval stk"); 4817c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 4828cd45542Sraf OFFSET(ul_hash), 4838cd45542Sraf prt_addr(ulwp.ul_hash, 1), 4848cd45542Sraf prt_addr(ulwp.ul_rval, 1), 4858cd45542Sraf prt_addr(ulwp.ul_stk, 0)); 4867c478bd9Sstevel@tonic-gate 4877c478bd9Sstevel@tonic-gate HD("mapsiz guardsize stktop stksiz"); 4887c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10ld %-10ld %s %ld\n", 4898cd45542Sraf OFFSET(ul_mapsiz), 4908cd45542Sraf ulwp.ul_mapsiz, 4918cd45542Sraf ulwp.ul_guardsize, 4928cd45542Sraf prt_addr((void *)ulwp.ul_stktop, 1), 4938cd45542Sraf ulwp.ul_stksiz); 4947c478bd9Sstevel@tonic-gate 4957c478bd9Sstevel@tonic-gate HD("ustack.ss_sp ustack.ss_size ustack.ss_flags"); 4967c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %-21ld %s\n", 4978cd45542Sraf OFFSET(ul_ustack.ss_sp), 4988cd45542Sraf prt_addr(ulwp.ul_ustack.ss_sp, 1), 4998cd45542Sraf ulwp.ul_ustack.ss_size, 5008cd45542Sraf stack_flags(&ulwp.ul_ustack)); 5017c478bd9Sstevel@tonic-gate 502d4204c85Sraf HD("ix lwpid pri epri policy cid"); 5037c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %-10d %d\n", 5048cd45542Sraf OFFSET(ul_ix), 5058cd45542Sraf ulwp.ul_ix, 5068cd45542Sraf ulwp.ul_lwpid, 5078cd45542Sraf ulwp.ul_pri, 5088cd45542Sraf ulwp.ul_epri, 5098cd45542Sraf ulwp.ul_policy, 5108cd45542Sraf ulwp.ul_cid); 5117c478bd9Sstevel@tonic-gate 5127c478bd9Sstevel@tonic-gate HD("cursig pleasestop stop signalled dead unwind"); 5137c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d ", 5148cd45542Sraf OFFSET(ul_cursig), 5158cd45542Sraf ulwp.ul_cursig); 5167c478bd9Sstevel@tonic-gate mdb_printf(ulwp.ul_pleasestop? "0x%-8x " : "%-10d ", 5178cd45542Sraf ulwp.ul_pleasestop); 5187c478bd9Sstevel@tonic-gate mdb_printf(ulwp.ul_stop? "0x%-8x " : "%-10d ", 5198cd45542Sraf ulwp.ul_stop); 5207c478bd9Sstevel@tonic-gate mdb_printf("%-10d %-10d %d\n", 5218cd45542Sraf ulwp.ul_signalled, 5228cd45542Sraf ulwp.ul_dead, 5238cd45542Sraf ulwp.ul_unwind); 5247c478bd9Sstevel@tonic-gate 52534709573Sraf HD("detached writer stopping can'prolog preempt savpreempt"); 5267c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %-10d %d\n", 5278cd45542Sraf OFFSET(ul_detached), 5288cd45542Sraf ulwp.ul_detached, 5298cd45542Sraf ulwp.ul_writer, 5308cd45542Sraf ulwp.ul_stopping, 5318cd45542Sraf ulwp.ul_cancel_prologue, 5328cd45542Sraf ulwp.ul_preempt, 5338cd45542Sraf ulwp.ul_savpreempt); 5347c478bd9Sstevel@tonic-gate 5357c478bd9Sstevel@tonic-gate HD("sigsuspend main fork primarymap m'spinners d'noreserv"); 5367c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %-10d %d\n", 5378cd45542Sraf OFFSET(ul_sigsuspend), 5388cd45542Sraf ulwp.ul_sigsuspend, 5398cd45542Sraf ulwp.ul_main, 5408cd45542Sraf ulwp.ul_fork, 5418cd45542Sraf ulwp.ul_primarymap, 5428cd45542Sraf ulwp.ul_max_spinners, 5438cd45542Sraf ulwp.ul_door_noreserve); 5447c478bd9Sstevel@tonic-gate 545d4204c85Sraf HD("queue_fifo c'w'defer e'detect' async_safe rt rtqueued"); 5467c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %-10d %d\n", 5478cd45542Sraf OFFSET(ul_queue_fifo), 5488cd45542Sraf ulwp.ul_queue_fifo, 5498cd45542Sraf ulwp.ul_cond_wait_defer, 5508cd45542Sraf ulwp.ul_error_detection, 5518cd45542Sraf ulwp.ul_async_safe, 5528cd45542Sraf ulwp.ul_rt, 5538cd45542Sraf ulwp.ul_rtqueued); 5547c478bd9Sstevel@tonic-gate 5557c5714f6Sraf HD("misaligned adapt'spin queue_spin critical sigdefer vfork"); 5567c5714f6Sraf mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %-10d %d\n", 5577c5714f6Sraf OFFSET(ul_misaligned), 5587c5714f6Sraf ulwp.ul_misaligned, 5598cd45542Sraf ulwp.ul_adaptive_spin, 5608cd45542Sraf ulwp.ul_queue_spin, 5618cd45542Sraf ulwp.ul_critical, 5628cd45542Sraf ulwp.ul_sigdefer, 5638cd45542Sraf ulwp.ul_vfork); 5647c478bd9Sstevel@tonic-gate 5657c478bd9Sstevel@tonic-gate HD("cancelable c'pending c'disabled c'async save_async mutator"); 5667c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %-10d %d\n", 5678cd45542Sraf OFFSET(ul_cancelable), 5688cd45542Sraf ulwp.ul_cancelable, 5698cd45542Sraf ulwp.ul_cancel_pending, 5708cd45542Sraf ulwp.ul_cancel_disabled, 5718cd45542Sraf ulwp.ul_cancel_async, 5728cd45542Sraf ulwp.ul_save_async, 5738cd45542Sraf ulwp.ul_mutator); 5747c478bd9Sstevel@tonic-gate 5757c478bd9Sstevel@tonic-gate HD("created replace nocancel errno errnop"); 5767c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %s\n", 5778cd45542Sraf OFFSET(ul_created), 5788cd45542Sraf ulwp.ul_created, 5798cd45542Sraf ulwp.ul_replace, 5808cd45542Sraf ulwp.ul_nocancel, 5818cd45542Sraf ulwp.ul_errno, 5828cd45542Sraf prt_addr(ulwp.ul_errnop, 0)); 5837c478bd9Sstevel@tonic-gate 5847c478bd9Sstevel@tonic-gate HD("clnup_hdr schedctl_called schedctl"); 5857c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 5868cd45542Sraf OFFSET(ul_clnup_hdr), 5878cd45542Sraf prt_addr(ulwp.ul_clnup_hdr, 1), 5888cd45542Sraf prt_addr(ulwp.ul_schedctl_called, 1), 5898cd45542Sraf prt_addr((void *)ulwp.ul_schedctl, 0)); 5907c478bd9Sstevel@tonic-gate 591a574db85Sraf HD("bindflags libc_locks stsd &ftsd"); 5927c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR, 5938cd45542Sraf OFFSET(ul_bindflags)); 5947c478bd9Sstevel@tonic-gate mdb_printf(ulwp.ul_bindflags? "0x%-8x " : "%-10d ", 5958cd45542Sraf ulwp.ul_bindflags); 596a574db85Sraf mdb_printf("%-10d ", ulwp.ul_libc_locks); 5977c478bd9Sstevel@tonic-gate mdb_printf("%s %s\n", 5988cd45542Sraf prt_addr(ulwp.ul_stsd, 1), 5998cd45542Sraf prt_addr((void *)(addr + OFFSET(ul_ftsd[0])), 0)); 6007c478bd9Sstevel@tonic-gate 6017c478bd9Sstevel@tonic-gate HD("eventmask[0..1] eventnum eventdata"); 6027c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "0x%08x 0x%08x %-21d %s\n", 6038cd45542Sraf OFFSET(ul_td_evbuf.eventmask.event_bits[0]), 6048cd45542Sraf ulwp.ul_td_evbuf.eventmask.event_bits[0], 6058cd45542Sraf ulwp.ul_td_evbuf.eventmask.event_bits[1], 6068cd45542Sraf ulwp.ul_td_evbuf.eventnum, 6078cd45542Sraf prt_addr(ulwp.ul_td_evbuf.eventdata, 0)); 6087c478bd9Sstevel@tonic-gate 609e54ab87fSRoger A. Faulkner HD("td'enable sync'reg qtype cv_wake rtld usropts"); 610e54ab87fSRoger A. Faulkner mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %-10d ", 6118cd45542Sraf OFFSET(ul_td_events_enable), 6128cd45542Sraf ulwp.ul_td_events_enable, 6138cd45542Sraf ulwp.ul_sync_obj_reg, 6148cd45542Sraf ulwp.ul_qtype, 615e54ab87fSRoger A. Faulkner ulwp.ul_cv_wake, 616e54ab87fSRoger A. Faulkner ulwp.ul_rtld); 6177c478bd9Sstevel@tonic-gate mdb_printf(ulwp.ul_usropts? "0x%x\n" : "%d\n", 6188cd45542Sraf ulwp.ul_usropts); 6197c478bd9Sstevel@tonic-gate 6207c478bd9Sstevel@tonic-gate HD("startpc startarg wchan"); 6217c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 6228cd45542Sraf OFFSET(ul_startpc), 6238cd45542Sraf prt_addr((void *)ulwp.ul_startpc, 1), 6248cd45542Sraf prt_addr(ulwp.ul_startarg, 1), 6258cd45542Sraf prt_addr(ulwp.ul_wchan, 0)); 6267c478bd9Sstevel@tonic-gate 6277c478bd9Sstevel@tonic-gate HD("link sleepq cvmutex"); 6287c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 6298cd45542Sraf OFFSET(ul_link), 6308cd45542Sraf prt_addr(ulwp.ul_link, 1), 6318cd45542Sraf prt_addr(ulwp.ul_sleepq, 1), 6328cd45542Sraf prt_addr(ulwp.ul_cvmutex, 0)); 6337c478bd9Sstevel@tonic-gate 634d4204c85Sraf HD("mxchain save_state"); 635d4204c85Sraf mdb_printf(OFFSTR "%s %d\n", 6368cd45542Sraf OFFSET(ul_mxchain), 6378cd45542Sraf prt_addr(ulwp.ul_mxchain, 1), 6388cd45542Sraf ulwp.ul_save_state); 6397c478bd9Sstevel@tonic-gate 640883492d5Sraf HD("rdlockcnt rd_rwlock rd_count"); 641883492d5Sraf mdb_printf(OFFSTR "%-21d %s %d\n", 6428cd45542Sraf OFFSET(ul_rdlockcnt), 6438cd45542Sraf ulwp.ul_rdlockcnt, 6448cd45542Sraf prt_addr(ulwp.ul_readlock.single.rd_rwlock, 1), 6458cd45542Sraf ulwp.ul_readlock.single.rd_count); 646883492d5Sraf 647883492d5Sraf HD("heldlockcnt heldlocks tpdp"); 648883492d5Sraf mdb_printf(OFFSTR "%-21d %s %s\n", 6498cd45542Sraf OFFSET(ul_heldlockcnt), 6508cd45542Sraf ulwp.ul_heldlockcnt, 6518cd45542Sraf prt_addr(ulwp.ul_heldlocks.single, 1), 6528cd45542Sraf prt_addr(ulwp.ul_tpdp, 0)); 6537c478bd9Sstevel@tonic-gate 6547c478bd9Sstevel@tonic-gate HD("siglink s'l'spin s'l'spin2 s'l'sleep s'l'wakeup"); 655d4204c85Sraf mdb_printf(OFFSTR "%s %-10d %-10d %-10d %d\n", 6568cd45542Sraf OFFSET(ul_siglink), 6578cd45542Sraf prt_addr(ulwp.ul_siglink, 1), 6588cd45542Sraf ulwp.ul_spin_lock_spin, 6598cd45542Sraf ulwp.ul_spin_lock_spin2, 6608cd45542Sraf ulwp.ul_spin_lock_sleep, 6618cd45542Sraf ulwp.ul_spin_lock_wakeup); 6627c478bd9Sstevel@tonic-gate 663d4204c85Sraf HD("&queue_root rtclassid pilocks"); 664d4204c85Sraf mdb_printf(OFFSTR "%s %-10d %d\n", 6658cd45542Sraf OFFSET(ul_queue_root), 6668cd45542Sraf prt_addr((void *)(addr + OFFSET(ul_queue_root)), 1), 6678cd45542Sraf ulwp.ul_rtclassid, 6688cd45542Sraf ulwp.ul_pilocks); 669d4204c85Sraf 6707c478bd9Sstevel@tonic-gate /* 6717c478bd9Sstevel@tonic-gate * The remainder of the ulwp_t structure 6727c478bd9Sstevel@tonic-gate * is invalid if this is a replacement. 6737c478bd9Sstevel@tonic-gate */ 6747c478bd9Sstevel@tonic-gate if (ulwp.ul_replace) 6757c478bd9Sstevel@tonic-gate return (DCMD_OK); 6767c478bd9Sstevel@tonic-gate 6777c478bd9Sstevel@tonic-gate HD("sigmask[0..3]"); 6787c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "0x%08x 0x%08x 0x%08x 0x%08x\n", 6798cd45542Sraf OFFSET(ul_sigmask.__sigbits[0]), 6808cd45542Sraf ulwp.ul_sigmask.__sigbits[0], 6818cd45542Sraf ulwp.ul_sigmask.__sigbits[1], 6828cd45542Sraf ulwp.ul_sigmask.__sigbits[2], 6838cd45542Sraf ulwp.ul_sigmask.__sigbits[3]); 6847c478bd9Sstevel@tonic-gate 6857c478bd9Sstevel@tonic-gate HD("tmpmask[0..3]"); 6867c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "0x%08x 0x%08x 0x%08x 0x%08x\n", 6878cd45542Sraf OFFSET(ul_tmpmask.__sigbits[0]), 6888cd45542Sraf ulwp.ul_tmpmask.__sigbits[0], 6898cd45542Sraf ulwp.ul_tmpmask.__sigbits[1], 6908cd45542Sraf ulwp.ul_tmpmask.__sigbits[2], 6918cd45542Sraf ulwp.ul_tmpmask.__sigbits[3]); 6927c478bd9Sstevel@tonic-gate 6937c478bd9Sstevel@tonic-gate HD("&siginfo &spinlock &fpuenv"); 6947c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 6958cd45542Sraf OFFSET(ul_siginfo), 6968cd45542Sraf prt_addr((void *)(addr + OFFSET(ul_siginfo)), 1), 6978cd45542Sraf prt_addr((void *)(addr + OFFSET(ul_spinlock)), 1), 6988cd45542Sraf prt_addr((void *)(addr + OFFSET(ul_fpuenv)), 0)); 6997c478bd9Sstevel@tonic-gate 7004f364e7cSRobert Mustacchi HD("tmem.size &tmem.roots"); 7014f364e7cSRobert Mustacchi mdb_printf(OFFSTR "%-21H %s\n", 7024f364e7cSRobert Mustacchi OFFSET(ul_tmem), 7034f364e7cSRobert Mustacchi ulwp.ul_tmem.tm_size, 7044f364e7cSRobert Mustacchi prt_addr((void *)(addr + OFFSET(ul_tmem) + sizeof (size_t)), 0)); 7054f364e7cSRobert Mustacchi 7067c478bd9Sstevel@tonic-gate return (DCMD_OK); 7077c478bd9Sstevel@tonic-gate } 7087c478bd9Sstevel@tonic-gate 7097c478bd9Sstevel@tonic-gate /* 7107c478bd9Sstevel@tonic-gate * Get the address of the unique uberdata_t structure. 7117c478bd9Sstevel@tonic-gate */ 7127c478bd9Sstevel@tonic-gate static uintptr_t 7137c478bd9Sstevel@tonic-gate uberdata_addr(void) 7147c478bd9Sstevel@tonic-gate { 7157c478bd9Sstevel@tonic-gate uintptr_t uaddr; 7167c478bd9Sstevel@tonic-gate uintptr_t addr; 7177c478bd9Sstevel@tonic-gate GElf_Sym sym; 7187c478bd9Sstevel@tonic-gate 7197c478bd9Sstevel@tonic-gate if (mdb_lookup_by_obj("libc.so.1", "_tdb_bootstrap", &sym) != 0) { 7207c478bd9Sstevel@tonic-gate mdb_warn("cannot find libc.so.1`_tdb_bootstrap"); 721*892ad162SToomas Soome return (0); 7227c478bd9Sstevel@tonic-gate } 7237c478bd9Sstevel@tonic-gate if (mdb_vread(&addr, sizeof (addr), sym.st_value) == sizeof (addr) && 724*892ad162SToomas Soome addr != 0 && 7257c478bd9Sstevel@tonic-gate mdb_vread(&uaddr, sizeof (uaddr), addr) == sizeof (uaddr) && 726*892ad162SToomas Soome uaddr != 0) { 7277c478bd9Sstevel@tonic-gate return (uaddr); 7287c478bd9Sstevel@tonic-gate } 7297c478bd9Sstevel@tonic-gate if (mdb_lookup_by_obj("libc.so.1", "_uberdata", &sym) != 0) { 7307c478bd9Sstevel@tonic-gate mdb_warn("cannot find libc.so.1`_uberdata"); 731*892ad162SToomas Soome return (0); 7327c478bd9Sstevel@tonic-gate } 7337c478bd9Sstevel@tonic-gate return ((uintptr_t)sym.st_value); 7347c478bd9Sstevel@tonic-gate } 7357c478bd9Sstevel@tonic-gate 7367c478bd9Sstevel@tonic-gate #undef OFFSET 7377c478bd9Sstevel@tonic-gate #define OFFSET(member) ((size_t)OFFSETOF(uberdata_t, member)) 7387c478bd9Sstevel@tonic-gate 7397c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 7407c478bd9Sstevel@tonic-gate static int 7417c478bd9Sstevel@tonic-gate d_uberdata(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 7427c478bd9Sstevel@tonic-gate { 7437c478bd9Sstevel@tonic-gate uberdata_t uberdata; 7447c478bd9Sstevel@tonic-gate int i; 7457c478bd9Sstevel@tonic-gate 7467c478bd9Sstevel@tonic-gate if (argc != 0) 7477c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 748*892ad162SToomas Soome if (!(flags & DCMD_ADDRSPEC) && (addr = uberdata_addr()) == 0) 7497c478bd9Sstevel@tonic-gate return (DCMD_ERR); 7507c478bd9Sstevel@tonic-gate 7517c478bd9Sstevel@tonic-gate if (mdb_vread(&uberdata, sizeof (uberdata), addr) != 7527c478bd9Sstevel@tonic-gate sizeof (uberdata)) { 7537c478bd9Sstevel@tonic-gate mdb_warn("failed to read uberdata at 0x%p", addr); 7547c478bd9Sstevel@tonic-gate return (DCMD_ERR); 7557c478bd9Sstevel@tonic-gate } 7567c478bd9Sstevel@tonic-gate 7577c478bd9Sstevel@tonic-gate mdb_printf("%#a\n", addr); 7587c478bd9Sstevel@tonic-gate 7598cd45542Sraf HD("&link_lock &ld_lock &fork_lock"); 7607c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 7618cd45542Sraf OFFSET(link_lock), 7628cd45542Sraf prt_addr((void *)(addr + OFFSET(link_lock)), 1), 7638cd45542Sraf prt_addr((void *)(addr + OFFSET(ld_lock)), 1), 7648cd45542Sraf prt_addr((void *)(addr + OFFSET(fork_lock)), 0)); 7657c478bd9Sstevel@tonic-gate 7668cd45542Sraf HD("&atfork_lock &callout_lock &tdb_hash_lock"); 7677c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 7688cd45542Sraf OFFSET(atfork_lock), 7698cd45542Sraf prt_addr((void *)(addr + OFFSET(atfork_lock)), 1), 7708cd45542Sraf prt_addr((void *)(addr + OFFSET(callout_lock)), 1), 7718cd45542Sraf prt_addr((void *)(addr + OFFSET(tdb_hash_lock)), 0)); 7728cd45542Sraf 7738cd45542Sraf HD("&tdb_hash_lock_stats &siguaction[0]"); 7748cd45542Sraf mdb_printf(OFFSTR "%s %s\n", 7758cd45542Sraf OFFSET(tdb_hash_lock_stats), 7768cd45542Sraf prt_addr((void *)(addr + OFFSET(tdb_hash_lock_stats)), 1), 7778cd45542Sraf prt_addr((void *)(addr + OFFSET(siguaction)), 0)); 7787c478bd9Sstevel@tonic-gate 7797c478bd9Sstevel@tonic-gate HD("&bucket free_list chunks"); 7807c478bd9Sstevel@tonic-gate for (i = 0; i < NBUCKETS; i++) { 7817c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %ld\n", 7828cd45542Sraf OFFSET(bucket[i]), 7838cd45542Sraf prt_addr((void *)(addr + OFFSET(bucket[i])), 1), 7848cd45542Sraf prt_addr(uberdata.bucket[i].free_list, 1), 7858cd45542Sraf uberdata.bucket[i].chunks); 7867c478bd9Sstevel@tonic-gate } 7877c478bd9Sstevel@tonic-gate 7887c478bd9Sstevel@tonic-gate HD("&atexit_root head exit_frame_monitor"); 7897c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 7908cd45542Sraf OFFSET(atexit_root), 7918cd45542Sraf prt_addr((void *)(addr + OFFSET(atexit_root.exitfns_lock)), 1), 7928cd45542Sraf prt_addr(uberdata.atexit_root.head, 1), 7938cd45542Sraf prt_addr(uberdata.atexit_root.exit_frame_monitor, 0)); 7947c478bd9Sstevel@tonic-gate 795fc2512cfSRobert Mustacchi HD("&quickexit_root head"); 796fc2512cfSRobert Mustacchi mdb_printf(OFFSTR "%s %s\n", 797fc2512cfSRobert Mustacchi OFFSET(quickexit_root), 798fc2512cfSRobert Mustacchi prt_addr((void *)(addr + OFFSET(quickexit_root.exitfns_lock)), 1), 799fc2512cfSRobert Mustacchi prt_addr(uberdata.quickexit_root.head, 0)); 800fc2512cfSRobert Mustacchi 801fc2512cfSRobert Mustacchi 8027c478bd9Sstevel@tonic-gate HD("&tsd_metadata tsdm_nkeys tsdm_nused tsdm_destro"); 8037c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %-10d %-10d %s\n", 8048cd45542Sraf OFFSET(tsd_metadata), 8058cd45542Sraf prt_addr((void *)(addr + OFFSET(tsd_metadata.tsdm_lock)), 1), 8068cd45542Sraf uberdata.tsd_metadata.tsdm_nkeys, 8078cd45542Sraf uberdata.tsd_metadata.tsdm_nused, 8088cd45542Sraf prt_addr((void *)uberdata.tsd_metadata.tsdm_destro, 0)); 8097c478bd9Sstevel@tonic-gate 8107c478bd9Sstevel@tonic-gate HD("&tls_metadata tls_modinfo.data tls_modinfo.size"); 8117c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %ld\n", 8128cd45542Sraf OFFSET(tls_metadata), 8138cd45542Sraf prt_addr((void *)(addr + OFFSET(tls_metadata.tls_lock)), 1), 8148cd45542Sraf prt_addr(uberdata.tls_metadata.tls_modinfo.tls_data, 1), 8158cd45542Sraf uberdata.tls_metadata.tls_modinfo.tls_size); 8167c478bd9Sstevel@tonic-gate 8177c478bd9Sstevel@tonic-gate HD(" static_tls.data static_tls.size"); 8187c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %ld\n", 8198cd45542Sraf OFFSET(tls_metadata.static_tls), 8208cd45542Sraf " ", 8218cd45542Sraf prt_addr(uberdata.tls_metadata.static_tls.tls_data, 1), 8228cd45542Sraf uberdata.tls_metadata.static_tls.tls_size); 8237c478bd9Sstevel@tonic-gate 8247c478bd9Sstevel@tonic-gate HD("primary_ma bucket_ini uflags.mt uflags.pad uflags.trs uflags.ted"); 8257c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %-10d %d\n", 8268cd45542Sraf OFFSET(primary_map), 8278cd45542Sraf uberdata.primary_map, 8288cd45542Sraf uberdata.bucket_init, 8298cd45542Sraf uberdata.uberflags.uf_x.x_mt, 8308cd45542Sraf uberdata.uberflags.uf_x.x_pad, 8318cd45542Sraf uberdata.uberflags.uf_x.x_tdb_register_sync, 8328cd45542Sraf uberdata.uberflags.uf_x.x_thread_error_detection); 8337c478bd9Sstevel@tonic-gate 8347c478bd9Sstevel@tonic-gate HD("queue_head thr_hash_table hash_size hash_mask"); 8357c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %-10d 0x%x\n", 8368cd45542Sraf OFFSET(queue_head), 8378cd45542Sraf prt_addr(uberdata.queue_head, 1), 8388cd45542Sraf prt_addr(uberdata.thr_hash_table, 1), 8398cd45542Sraf uberdata.hash_size, 8408cd45542Sraf uberdata.hash_mask); 8417c478bd9Sstevel@tonic-gate 8427c478bd9Sstevel@tonic-gate HD("ulwp_one all_lwps all_zombies"); 8437c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 8448cd45542Sraf OFFSET(ulwp_one), 8458cd45542Sraf prt_addr(uberdata.ulwp_one, 1), 8468cd45542Sraf prt_addr(uberdata.all_lwps, 1), 8478cd45542Sraf prt_addr(uberdata.all_zombies, 0)); 8487c478bd9Sstevel@tonic-gate 8497c478bd9Sstevel@tonic-gate HD("nthreads nzombies ndaemons pid sigacthandler"); 8507c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %s\n", 8518cd45542Sraf OFFSET(nthreads), 8528cd45542Sraf uberdata.nthreads, 8538cd45542Sraf uberdata.nzombies, 8548cd45542Sraf uberdata.ndaemons, 8558cd45542Sraf (int)uberdata.pid, 8568cd45542Sraf prt_addr((void *)uberdata.sigacthandler, 0)); 8577c478bd9Sstevel@tonic-gate 8587c478bd9Sstevel@tonic-gate HD("lwp_stacks lwp_laststack nfreestack stk_cache"); 8597c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %-10d %d\n", 8608cd45542Sraf OFFSET(lwp_stacks), 8618cd45542Sraf prt_addr(uberdata.lwp_stacks, 1), 8628cd45542Sraf prt_addr(uberdata.lwp_laststack, 1), 8638cd45542Sraf uberdata.nfreestack, 8648cd45542Sraf uberdata.thread_stack_cache); 8657c478bd9Sstevel@tonic-gate 8668cd45542Sraf HD("ulwp_freelist ulwp_lastfree ulwp_replace_free"); 8678cd45542Sraf mdb_printf(OFFSTR "%s %s %s\n", 8688cd45542Sraf OFFSET(ulwp_freelist), 8698cd45542Sraf prt_addr(uberdata.ulwp_freelist, 1), 8708cd45542Sraf prt_addr(uberdata.ulwp_lastfree, 1), 8718cd45542Sraf prt_addr(uberdata.ulwp_replace_free, 0)); 872883492d5Sraf 87309ce0d4aSRoger A. Faulkner HD("ulwp_replace_last atforklist"); 87409ce0d4aSRoger A. Faulkner mdb_printf(OFFSTR "%s %s\n", 8758cd45542Sraf OFFSET(ulwp_replace_last), 8768cd45542Sraf prt_addr(uberdata.ulwp_replace_last, 1), 87709ce0d4aSRoger A. Faulkner prt_addr(uberdata.atforklist, 0)); 87809ce0d4aSRoger A. Faulkner 87923a1cceaSRoger A. Faulkner HD("robustlocks robustlist progname"); 88023a1cceaSRoger A. Faulkner mdb_printf(OFFSTR "%s %s %s\n", 88109ce0d4aSRoger A. Faulkner OFFSET(robustlocks), 88209ce0d4aSRoger A. Faulkner prt_addr(uberdata.robustlocks, 1), 88323a1cceaSRoger A. Faulkner prt_addr(uberdata.robustlist, 1), 88423a1cceaSRoger A. Faulkner prt_addr(uberdata.progname, 0)); 8857c478bd9Sstevel@tonic-gate 8867c478bd9Sstevel@tonic-gate HD("tdb_bootstrap tdb_sync_addr_hash tdb_'count tdb_'fail"); 8877c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %-10d %d\n", 8888cd45542Sraf OFFSET(tdb_bootstrap), 8898cd45542Sraf prt_addr(uberdata.tdb_bootstrap, 1), 8908cd45542Sraf prt_addr(uberdata.tdb.tdb_sync_addr_hash, 1), 8918cd45542Sraf uberdata.tdb.tdb_register_count, 8928cd45542Sraf uberdata.tdb.tdb_hash_alloc_failed); 8937c478bd9Sstevel@tonic-gate 8947c478bd9Sstevel@tonic-gate HD("tdb_sync_addr_free tdb_sync_addr_last tdb_sync_alloc"); 8957c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %ld\n", 8968cd45542Sraf OFFSET(tdb.tdb_sync_addr_free), 8978cd45542Sraf prt_addr(uberdata.tdb.tdb_sync_addr_free, 1), 8988cd45542Sraf prt_addr(uberdata.tdb.tdb_sync_addr_last, 1), 8998cd45542Sraf uberdata.tdb.tdb_sync_alloc); 9007c478bd9Sstevel@tonic-gate 9017c478bd9Sstevel@tonic-gate HD("tdb_ev_global_mask tdb_events"); 9027c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "0x%08x 0x%08x %s\n", 9038cd45542Sraf OFFSET(tdb.tdb_ev_global_mask), 9048cd45542Sraf uberdata.tdb.tdb_ev_global_mask.event_bits[0], 9058cd45542Sraf uberdata.tdb.tdb_ev_global_mask.event_bits[1], 9068cd45542Sraf prt_addr((void *)uberdata.tdb.tdb_events, 0)); 9077c478bd9Sstevel@tonic-gate 9087c478bd9Sstevel@tonic-gate return (DCMD_OK); 9097c478bd9Sstevel@tonic-gate } 9107c478bd9Sstevel@tonic-gate 9117c478bd9Sstevel@tonic-gate static int 9127c478bd9Sstevel@tonic-gate ulwp_walk_init(mdb_walk_state_t *wsp) 9137c478bd9Sstevel@tonic-gate { 9147c478bd9Sstevel@tonic-gate uintptr_t addr = wsp->walk_addr; 9157c478bd9Sstevel@tonic-gate uintptr_t uber_addr; 916e0ee3cedSJason King int offset; 917e0ee3cedSJason King 918e0ee3cedSJason King offset = mdb_ctf_offsetof_by_name("uberdata_t", "all_lwps"); 919e0ee3cedSJason King if (offset == -1) { 920e0ee3cedSJason King offset = OFFSETOF(uberdata_t, all_lwps); 921e0ee3cedSJason King mdb_warn("CTF data is missing for uberdata_t; using current " 922e0ee3cedSJason King "platform's offset for uberdata.all_lwps"); 923e0ee3cedSJason King } 9247c478bd9Sstevel@tonic-gate 925*892ad162SToomas Soome if (addr == 0 && 926*892ad162SToomas Soome ((uber_addr = uberdata_addr()) == 0 || 927e0ee3cedSJason King mdb_vread(&addr, sizeof (addr), uber_addr + offset) 9287c478bd9Sstevel@tonic-gate != sizeof (addr))) { 9297c478bd9Sstevel@tonic-gate mdb_warn("cannot find 'uberdata.all_lwps'"); 9307c478bd9Sstevel@tonic-gate return (WALK_ERR); 9317c478bd9Sstevel@tonic-gate } 932*892ad162SToomas Soome if (addr == 0) 9337c478bd9Sstevel@tonic-gate return (WALK_DONE); 9347c478bd9Sstevel@tonic-gate wsp->walk_addr = addr; 9357c478bd9Sstevel@tonic-gate wsp->walk_data = (void *)addr; 9367c478bd9Sstevel@tonic-gate return (WALK_NEXT); 9377c478bd9Sstevel@tonic-gate } 9387c478bd9Sstevel@tonic-gate 9397c478bd9Sstevel@tonic-gate static int 9407c478bd9Sstevel@tonic-gate ulwp_walk_step(mdb_walk_state_t *wsp) 9417c478bd9Sstevel@tonic-gate { 9427c478bd9Sstevel@tonic-gate uintptr_t addr = wsp->walk_addr; 9437c478bd9Sstevel@tonic-gate ulwp_t ulwp; 9447c478bd9Sstevel@tonic-gate 945*892ad162SToomas Soome if (addr == 0) 9467c478bd9Sstevel@tonic-gate return (WALK_DONE); 9477c478bd9Sstevel@tonic-gate if (mdb_vread(&ulwp, sizeof (ulwp), addr) != sizeof (ulwp) && 9487c478bd9Sstevel@tonic-gate (bzero(&ulwp, sizeof (ulwp)), 9497c478bd9Sstevel@tonic-gate mdb_vread(&ulwp, REPLACEMENT_SIZE, addr)) != REPLACEMENT_SIZE) { 9507c478bd9Sstevel@tonic-gate mdb_warn("failed to read ulwp at 0x%p", addr); 9517c478bd9Sstevel@tonic-gate return (WALK_ERR); 9527c478bd9Sstevel@tonic-gate } 9537c478bd9Sstevel@tonic-gate /* 9547c478bd9Sstevel@tonic-gate * If we have looped around to the beginning 9557c478bd9Sstevel@tonic-gate * of the circular linked list, we are done. 9567c478bd9Sstevel@tonic-gate */ 9577c478bd9Sstevel@tonic-gate if ((wsp->walk_addr = (uintptr_t)ulwp.ul_forw) 9587c478bd9Sstevel@tonic-gate == (uintptr_t)wsp->walk_data) 959*892ad162SToomas Soome wsp->walk_addr = 0; 9607c478bd9Sstevel@tonic-gate return (wsp->walk_callback(addr, &ulwp, wsp->walk_cbdata)); 9617c478bd9Sstevel@tonic-gate } 9627c478bd9Sstevel@tonic-gate 9634a1c2431SJonathan Adams /* Avoid classifying NULL pointers as part of the main stack on x86 */ 9644a1c2431SJonathan Adams #define MIN_STACK_ADDR (0x10000ul) 9654a1c2431SJonathan Adams 9664a1c2431SJonathan Adams static int 9674a1c2431SJonathan Adams whatis_walk_ulwp(uintptr_t addr, const ulwp_t *ulwp, mdb_whatis_t *w) 9684a1c2431SJonathan Adams { 9694a1c2431SJonathan Adams uintptr_t cur; 9704a1c2431SJonathan Adams lwpid_t id = ulwp->ul_lwpid; 9714a1c2431SJonathan Adams uintptr_t top, base, size; 9724a1c2431SJonathan Adams 9734a1c2431SJonathan Adams while (mdb_whatis_match(w, addr, sizeof (ulwp_t), &cur)) 9744a1c2431SJonathan Adams mdb_whatis_report_object(w, cur, addr, 9754a1c2431SJonathan Adams "allocated as thread %#r's ulwp_t\n", id); 9764a1c2431SJonathan Adams 9774a1c2431SJonathan Adams top = (uintptr_t)ulwp->ul_stktop; 9784a1c2431SJonathan Adams size = ulwp->ul_stksiz; 9794a1c2431SJonathan Adams 9804a1c2431SJonathan Adams /* 9814a1c2431SJonathan Adams * The main stack ends up being a little weird, especially if 9824a1c2431SJonathan Adams * the stack ulimit is unlimited. This tries to take that into 9834a1c2431SJonathan Adams * account. 9844a1c2431SJonathan Adams */ 9854a1c2431SJonathan Adams if (size > top) 9864a1c2431SJonathan Adams size = top; 9874a1c2431SJonathan Adams if (top > MIN_STACK_ADDR && top - size < MIN_STACK_ADDR) 9884a1c2431SJonathan Adams size = top - MIN_STACK_ADDR; 9894a1c2431SJonathan Adams 9904a1c2431SJonathan Adams base = top - size; 9914a1c2431SJonathan Adams 9924a1c2431SJonathan Adams while (mdb_whatis_match(w, base, size, &cur)) 9934a1c2431SJonathan Adams mdb_whatis_report_address(w, cur, "in [ stack tid=%#r ]\n", id); 9944a1c2431SJonathan Adams 9954a1c2431SJonathan Adams if (ulwp->ul_ustack.ss_flags & SS_ONSTACK) { 9964a1c2431SJonathan Adams base = (uintptr_t)ulwp->ul_ustack.ss_sp; 9974a1c2431SJonathan Adams size = ulwp->ul_ustack.ss_size; 9984a1c2431SJonathan Adams 9994a1c2431SJonathan Adams while (mdb_whatis_match(w, base, size, &cur)) 10004a1c2431SJonathan Adams mdb_whatis_report_address(w, cur, 10014a1c2431SJonathan Adams "in [ altstack tid=%#r ]\n", id); 10024a1c2431SJonathan Adams } 10034a1c2431SJonathan Adams 10044a1c2431SJonathan Adams return (WHATIS_WALKRET(w)); 10054a1c2431SJonathan Adams } 10064a1c2431SJonathan Adams 10074a1c2431SJonathan Adams /*ARGSUSED*/ 10084a1c2431SJonathan Adams static int 10094a1c2431SJonathan Adams whatis_run_ulwps(mdb_whatis_t *w, void *arg) 10104a1c2431SJonathan Adams { 10114a1c2431SJonathan Adams if (mdb_walk("ulwps", (mdb_walk_cb_t)whatis_walk_ulwp, w) == -1) { 10124a1c2431SJonathan Adams mdb_warn("couldn't find ulwps walker"); 10134a1c2431SJonathan Adams return (1); 10144a1c2431SJonathan Adams } 10154a1c2431SJonathan Adams return (0); 10164a1c2431SJonathan Adams } 10174a1c2431SJonathan Adams 10187c478bd9Sstevel@tonic-gate /* 10197c478bd9Sstevel@tonic-gate * ======================================================= 10207c478bd9Sstevel@tonic-gate * End of thread (previously libthread) interfaces. 10217c478bd9Sstevel@tonic-gate * ==================== threads ========================== 10227c478bd9Sstevel@tonic-gate */ 10237c478bd9Sstevel@tonic-gate 1024c9a6ea2eSBryan Cantrill int 1025c9a6ea2eSBryan Cantrill stacks_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1026c9a6ea2eSBryan Cantrill { 1027c9a6ea2eSBryan Cantrill int rval = stacks(addr, flags, argc, argv); 1028c9a6ea2eSBryan Cantrill 1029c9a6ea2eSBryan Cantrill /* 1030c9a6ea2eSBryan Cantrill * For the user-level variant of ::stacks, we don't bother caching 1031c9a6ea2eSBryan Cantrill * state, as even a very large program is unlikely to compare to the 1032c9a6ea2eSBryan Cantrill * kernel in terms of number of threads. (And if you find yourself 1033c9a6ea2eSBryan Cantrill * here in anger, frustrated about how long ::stacks is running on 1034c9a6ea2eSBryan Cantrill * your galactically complicated zillion-thread program, hopefully 1035c9a6ea2eSBryan Cantrill * you will find some solace in the irony. Okay, probably not...) 1036c9a6ea2eSBryan Cantrill */ 1037c9a6ea2eSBryan Cantrill stacks_cleanup(B_TRUE); 1038c9a6ea2eSBryan Cantrill return (rval); 1039c9a6ea2eSBryan Cantrill } 1040c9a6ea2eSBryan Cantrill 1041c9a6ea2eSBryan Cantrill typedef struct tid2ulwp_walk { 1042c9a6ea2eSBryan Cantrill lwpid_t t2u_tid; 1043c9a6ea2eSBryan Cantrill uintptr_t t2u_lwp; 1044c9a6ea2eSBryan Cantrill boolean_t t2u_found; 1045c9a6ea2eSBryan Cantrill } tid2ulwp_walk_t; 1046c9a6ea2eSBryan Cantrill 1047c9a6ea2eSBryan Cantrill /*ARGSUSED*/ 1048c9a6ea2eSBryan Cantrill static int 1049c9a6ea2eSBryan Cantrill tid2ulwp_walk(uintptr_t addr, ulwp_t *ulwp, tid2ulwp_walk_t *t2u) 1050c9a6ea2eSBryan Cantrill { 1051c9a6ea2eSBryan Cantrill if (ulwp->ul_lwpid == t2u->t2u_tid) { 1052c9a6ea2eSBryan Cantrill t2u->t2u_lwp = addr; 1053c9a6ea2eSBryan Cantrill t2u->t2u_found = B_TRUE; 1054c9a6ea2eSBryan Cantrill return (WALK_DONE); 1055c9a6ea2eSBryan Cantrill } 1056c9a6ea2eSBryan Cantrill 1057c9a6ea2eSBryan Cantrill return (WALK_NEXT); 1058c9a6ea2eSBryan Cantrill } 1059c9a6ea2eSBryan Cantrill 1060c9a6ea2eSBryan Cantrill static int 106128e4da25SMatthew Ahrens tid2ulwp_impl(uintptr_t tid_addr, uintptr_t *ulwp_addrp) 1062c9a6ea2eSBryan Cantrill { 1063c9a6ea2eSBryan Cantrill tid2ulwp_walk_t t2u; 1064c9a6ea2eSBryan Cantrill 1065c9a6ea2eSBryan Cantrill bzero(&t2u, sizeof (t2u)); 106628e4da25SMatthew Ahrens t2u.t2u_tid = (lwpid_t)tid_addr; 1067c9a6ea2eSBryan Cantrill 1068c9a6ea2eSBryan Cantrill if (mdb_walk("ulwp", (mdb_walk_cb_t)tid2ulwp_walk, &t2u) != 0) { 1069c9a6ea2eSBryan Cantrill mdb_warn("can't walk 'ulwp'"); 1070c9a6ea2eSBryan Cantrill return (DCMD_ERR); 1071c9a6ea2eSBryan Cantrill } 1072c9a6ea2eSBryan Cantrill 1073c9a6ea2eSBryan Cantrill if (!t2u.t2u_found) { 1074c9a6ea2eSBryan Cantrill mdb_warn("thread ID %d not found", t2u.t2u_tid); 1075c9a6ea2eSBryan Cantrill return (DCMD_ERR); 1076c9a6ea2eSBryan Cantrill } 107728e4da25SMatthew Ahrens *ulwp_addrp = t2u.t2u_lwp; 107828e4da25SMatthew Ahrens return (DCMD_OK); 107928e4da25SMatthew Ahrens } 1080c9a6ea2eSBryan Cantrill 108128e4da25SMatthew Ahrens /*ARGSUSED*/ 108228e4da25SMatthew Ahrens static int 108328e4da25SMatthew Ahrens tid2ulwp(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 108428e4da25SMatthew Ahrens { 108528e4da25SMatthew Ahrens uintptr_t ulwp_addr; 108628e4da25SMatthew Ahrens int error; 108728e4da25SMatthew Ahrens 108828e4da25SMatthew Ahrens if (argc != 0) 108928e4da25SMatthew Ahrens return (DCMD_USAGE); 109028e4da25SMatthew Ahrens 109128e4da25SMatthew Ahrens error = tid2ulwp_impl(addr, &ulwp_addr); 109228e4da25SMatthew Ahrens if (error == DCMD_OK) 109328e4da25SMatthew Ahrens mdb_printf("%p\n", ulwp_addr); 109428e4da25SMatthew Ahrens return (error); 109528e4da25SMatthew Ahrens } 109628e4da25SMatthew Ahrens 109728e4da25SMatthew Ahrens typedef struct mdb_libc_ulwp { 109828e4da25SMatthew Ahrens void *ul_ftsd[TSD_NFAST]; 109928e4da25SMatthew Ahrens tsd_t *ul_stsd; 110028e4da25SMatthew Ahrens } mdb_libc_ulwp_t; 110128e4da25SMatthew Ahrens 110228e4da25SMatthew Ahrens /* 110328e4da25SMatthew Ahrens * Map from thread pointer to tsd for given key 110428e4da25SMatthew Ahrens */ 110528e4da25SMatthew Ahrens static int 110628e4da25SMatthew Ahrens d_tsd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 110728e4da25SMatthew Ahrens { 110828e4da25SMatthew Ahrens mdb_libc_ulwp_t u; 110928e4da25SMatthew Ahrens uintptr_t ulwp_addr; 1110*892ad162SToomas Soome uintptr_t key = 0; 111128e4da25SMatthew Ahrens void *element = NULL; 111228e4da25SMatthew Ahrens 111328e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 'k', MDB_OPT_UINTPTR, &key, NULL) != argc) 111428e4da25SMatthew Ahrens return (DCMD_USAGE); 111528e4da25SMatthew Ahrens 1116*892ad162SToomas Soome if (!(flags & DCMD_ADDRSPEC) || key == 0) 111728e4da25SMatthew Ahrens return (DCMD_USAGE); 111828e4da25SMatthew Ahrens 111928e4da25SMatthew Ahrens if (tid2ulwp_impl(addr, &ulwp_addr) != DCMD_OK) 112028e4da25SMatthew Ahrens return (DCMD_ERR); 112128e4da25SMatthew Ahrens 112228e4da25SMatthew Ahrens if (mdb_ctf_vread(&u, "ulwp_t", "mdb_libc_ulwp_t", ulwp_addr, 0) == -1) 112328e4da25SMatthew Ahrens return (DCMD_ERR); 112428e4da25SMatthew Ahrens 112528e4da25SMatthew Ahrens if (key < TSD_NFAST) { 112628e4da25SMatthew Ahrens element = u.ul_ftsd[key]; 112728e4da25SMatthew Ahrens } else if (u.ul_stsd != NULL) { 112828e4da25SMatthew Ahrens uint_t nalloc; 112928e4da25SMatthew Ahrens /* tsd_t is a union, so we can't use ctf_vread() on it. */ 113028e4da25SMatthew Ahrens if (mdb_vread(&nalloc, sizeof (nalloc), 113128e4da25SMatthew Ahrens (uintptr_t)&u.ul_stsd->tsd_nalloc) == -1) { 113228e4da25SMatthew Ahrens mdb_warn("failed to read tsd_t at %p", u.ul_stsd); 113328e4da25SMatthew Ahrens return (DCMD_ERR); 113428e4da25SMatthew Ahrens } 113528e4da25SMatthew Ahrens if (key < nalloc) { 113628e4da25SMatthew Ahrens if (mdb_vread(&element, sizeof (element), 113728e4da25SMatthew Ahrens (uintptr_t)&u.ul_stsd->tsd_data[key]) == -1) { 113828e4da25SMatthew Ahrens mdb_warn("failed to read tsd_t at %p", 113928e4da25SMatthew Ahrens u.ul_stsd); 114028e4da25SMatthew Ahrens return (DCMD_ERR); 114128e4da25SMatthew Ahrens } 114228e4da25SMatthew Ahrens } 114328e4da25SMatthew Ahrens } 114428e4da25SMatthew Ahrens 114528e4da25SMatthew Ahrens if (element == NULL && (flags & DCMD_PIPE)) 114628e4da25SMatthew Ahrens return (DCMD_OK); 1147c9a6ea2eSBryan Cantrill 114828e4da25SMatthew Ahrens mdb_printf("%p\n", element); 1149c9a6ea2eSBryan Cantrill return (DCMD_OK); 1150c9a6ea2eSBryan Cantrill } 1151c9a6ea2eSBryan Cantrill 11527c478bd9Sstevel@tonic-gate static const mdb_dcmd_t dcmds[] = { 11537c478bd9Sstevel@tonic-gate { "jmp_buf", ":", "print jmp_buf contents", d_jmp_buf, NULL }, 11547c478bd9Sstevel@tonic-gate { "sigjmp_buf", ":", "print sigjmp_buf contents", d_sigjmp_buf, NULL }, 11557c478bd9Sstevel@tonic-gate { "siginfo", ":", "print siginfo_t structure", d_siginfo, NULL }, 1156c9a6ea2eSBryan Cantrill { "stacks", "?[-afiv] [-c func] [-C func] [-m module] [-M module] ", 1157c9a6ea2eSBryan Cantrill "print unique thread stacks", stacks_dcmd, stacks_help }, 1158c9a6ea2eSBryan Cantrill { "tid2ulwp", "?", "convert TID to ulwp_t address", tid2ulwp }, 11597c478bd9Sstevel@tonic-gate { "ucontext", ":", "print ucontext_t structure", d_ucontext, NULL }, 11607c478bd9Sstevel@tonic-gate { "ulwp", ":", "print ulwp_t structure", d_ulwp, NULL }, 11617c478bd9Sstevel@tonic-gate { "uberdata", ":", "print uberdata_t structure", d_uberdata, NULL }, 116228e4da25SMatthew Ahrens { "tsd", ":-k key", "print tsd for this thread", d_tsd, NULL }, 11637c478bd9Sstevel@tonic-gate { NULL } 11647c478bd9Sstevel@tonic-gate }; 11657c478bd9Sstevel@tonic-gate 11667c478bd9Sstevel@tonic-gate static const mdb_walker_t walkers[] = { 11677c478bd9Sstevel@tonic-gate { "ucontext", "walk ucontext_t uc_link list", 11687c478bd9Sstevel@tonic-gate NULL, uc_walk_step, NULL, NULL }, 11697c478bd9Sstevel@tonic-gate { "oldcontext", "walk per-lwp oldcontext pointers", 11707c478bd9Sstevel@tonic-gate oldc_walk_init, oldc_walk_step, oldc_walk_fini, NULL }, 11717c478bd9Sstevel@tonic-gate { "ulwps", "walk list of ulwp_t pointers", 11727c478bd9Sstevel@tonic-gate ulwp_walk_init, ulwp_walk_step, NULL, NULL }, 1173c9a6ea2eSBryan Cantrill { "ulwp", "walk list of ulwp_t pointers", 1174c9a6ea2eSBryan Cantrill ulwp_walk_init, ulwp_walk_step, NULL, NULL }, 11757c478bd9Sstevel@tonic-gate { NULL } 11767c478bd9Sstevel@tonic-gate }; 11777c478bd9Sstevel@tonic-gate 11787c478bd9Sstevel@tonic-gate static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, walkers }; 11797c478bd9Sstevel@tonic-gate 11807c478bd9Sstevel@tonic-gate const mdb_modinfo_t * 11817c478bd9Sstevel@tonic-gate _mdb_init(void) 11827c478bd9Sstevel@tonic-gate { 11834a1c2431SJonathan Adams mdb_whatis_register("threads", whatis_run_ulwps, NULL, 11844a1c2431SJonathan Adams WHATIS_PRIO_EARLY, WHATIS_REG_NO_ID); 11854a1c2431SJonathan Adams 11867c478bd9Sstevel@tonic-gate return (&modinfo); 11877c478bd9Sstevel@tonic-gate } 1188