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. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #include <sys/mdb_modapi.h> 274a1c2431SJonathan Adams #include <mdb/mdb_whatis.h> 287c478bd9Sstevel@tonic-gate #include <procfs.h> 297c478bd9Sstevel@tonic-gate #include <ucontext.h> 307c478bd9Sstevel@tonic-gate #include <siginfo.h> 317c478bd9Sstevel@tonic-gate #include <signal.h> 327c478bd9Sstevel@tonic-gate #include <setjmp.h> 337c478bd9Sstevel@tonic-gate #include <string.h> 347c478bd9Sstevel@tonic-gate #include <thr_uberdata.h> 35*c9a6ea2eSBryan Cantrill #include "findstack.h" 367c478bd9Sstevel@tonic-gate 377c478bd9Sstevel@tonic-gate static const char * 387c478bd9Sstevel@tonic-gate stack_flags(const stack_t *sp) 397c478bd9Sstevel@tonic-gate { 407c478bd9Sstevel@tonic-gate static char buf[32]; 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate if (sp->ss_flags == 0) 437c478bd9Sstevel@tonic-gate (void) strcpy(buf, " 0"); 447c478bd9Sstevel@tonic-gate else if (sp->ss_flags & ~(SS_ONSTACK | SS_DISABLE)) 457c478bd9Sstevel@tonic-gate (void) mdb_snprintf(buf, sizeof (buf), " 0x%x", sp->ss_flags); 467c478bd9Sstevel@tonic-gate else { 477c478bd9Sstevel@tonic-gate buf[0] = '\0'; 487c478bd9Sstevel@tonic-gate if (sp->ss_flags & SS_ONSTACK) 497c478bd9Sstevel@tonic-gate (void) strcat(buf, "|ONSTACK"); 507c478bd9Sstevel@tonic-gate if (sp->ss_flags & SS_DISABLE) 517c478bd9Sstevel@tonic-gate (void) strcat(buf, "|DISABLE"); 527c478bd9Sstevel@tonic-gate } 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate return (buf + 1); 557c478bd9Sstevel@tonic-gate } 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 587c478bd9Sstevel@tonic-gate static int 597c478bd9Sstevel@tonic-gate d_jmp_buf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 607c478bd9Sstevel@tonic-gate { 617c478bd9Sstevel@tonic-gate jmp_buf jb; 627c478bd9Sstevel@tonic-gate const ulong_t *b = (const ulong_t *)jb; 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate if (argc != 0) 657c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate if (mdb_vread(&jb, sizeof (jb), addr) != sizeof (jb)) { 687c478bd9Sstevel@tonic-gate mdb_warn("failed to read jmp_buf at %p", addr); 697c478bd9Sstevel@tonic-gate return (DCMD_ERR); 707c478bd9Sstevel@tonic-gate } 717c478bd9Sstevel@tonic-gate 727c478bd9Sstevel@tonic-gate #if defined(__sparc) 737c478bd9Sstevel@tonic-gate mdb_printf(" %%sp = 0x%lx\n", b[1]); 747c478bd9Sstevel@tonic-gate mdb_printf(" %%pc = 0x%lx %lA\n", b[2], b[2]); 757c478bd9Sstevel@tonic-gate mdb_printf(" %%fp = 0x%lx\n", b[3]); 767c478bd9Sstevel@tonic-gate mdb_printf(" %%i7 = 0x%lx %lA\n", b[4], b[4]); 777c478bd9Sstevel@tonic-gate #elif defined(__amd64) 787c478bd9Sstevel@tonic-gate mdb_printf(" %%rbx = 0x%lx\n", b[0]); 797c478bd9Sstevel@tonic-gate mdb_printf(" %%r12 = 0x%lx\n", b[1]); 807c478bd9Sstevel@tonic-gate mdb_printf(" %%r13 = 0x%lx\n", b[2]); 817c478bd9Sstevel@tonic-gate mdb_printf(" %%r14 = 0x%lx\n", b[3]); 827c478bd9Sstevel@tonic-gate mdb_printf(" %%r15 = 0x%lx\n", b[4]); 837c478bd9Sstevel@tonic-gate mdb_printf(" %%rbp = 0x%lx\n", b[5]); 847c478bd9Sstevel@tonic-gate mdb_printf(" %%rsp = 0x%lx\n", b[6]); 857c478bd9Sstevel@tonic-gate mdb_printf(" %%rip = 0x%lx %lA\n", b[7], b[7]); 867c478bd9Sstevel@tonic-gate #elif defined(__i386) 877c478bd9Sstevel@tonic-gate mdb_printf(" %%ebx = 0x%lx\n", b[0]); 887c478bd9Sstevel@tonic-gate mdb_printf(" %%esi = 0x%lx\n", b[1]); 897c478bd9Sstevel@tonic-gate mdb_printf(" %%edi = 0x%lx\n", b[2]); 907c478bd9Sstevel@tonic-gate mdb_printf(" %%ebp = 0x%lx\n", b[3]); 917c478bd9Sstevel@tonic-gate mdb_printf(" %%esp = 0x%lx\n", b[4]); 927c478bd9Sstevel@tonic-gate mdb_printf(" %%eip = 0x%lx %lA\n", b[5], b[5]); 937c478bd9Sstevel@tonic-gate #endif 947c478bd9Sstevel@tonic-gate return (DCMD_OK); 957c478bd9Sstevel@tonic-gate } 967c478bd9Sstevel@tonic-gate 977c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 987c478bd9Sstevel@tonic-gate static int 997c478bd9Sstevel@tonic-gate d_ucontext(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1007c478bd9Sstevel@tonic-gate { 1017c478bd9Sstevel@tonic-gate ucontext_t uc; 1027c478bd9Sstevel@tonic-gate 1037c478bd9Sstevel@tonic-gate if (argc != 0) 1047c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 1057c478bd9Sstevel@tonic-gate 1067c478bd9Sstevel@tonic-gate if (mdb_vread(&uc, sizeof (uc), addr) != sizeof (uc)) { 1077c478bd9Sstevel@tonic-gate mdb_warn("failed to read ucontext at %p", addr); 1087c478bd9Sstevel@tonic-gate return (DCMD_ERR); 1097c478bd9Sstevel@tonic-gate } 1107c478bd9Sstevel@tonic-gate 1117c478bd9Sstevel@tonic-gate mdb_printf(" flags = 0x%lx\n", uc.uc_flags); 1127c478bd9Sstevel@tonic-gate mdb_printf(" link = 0x%p\n", uc.uc_link); 1137c478bd9Sstevel@tonic-gate mdb_printf(" sigmask = 0x%08x 0x%08x 0x%08x 0x%08x\n", 1147c478bd9Sstevel@tonic-gate uc.uc_sigmask.__sigbits[0], uc.uc_sigmask.__sigbits[1], 1157c478bd9Sstevel@tonic-gate uc.uc_sigmask.__sigbits[2], uc.uc_sigmask.__sigbits[3]); 1167c478bd9Sstevel@tonic-gate mdb_printf(" stack = sp 0x%p size 0x%lx flags %s\n", 1177c478bd9Sstevel@tonic-gate uc.uc_stack.ss_sp, uc.uc_stack.ss_size, stack_flags(&uc.uc_stack)); 1187c478bd9Sstevel@tonic-gate mdb_printf(" mcontext = 0x%p\n", 1197c478bd9Sstevel@tonic-gate addr + OFFSETOF(ucontext_t, uc_mcontext)); 1207c478bd9Sstevel@tonic-gate 1217c478bd9Sstevel@tonic-gate return (DCMD_OK); 1227c478bd9Sstevel@tonic-gate } 1237c478bd9Sstevel@tonic-gate 1247c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1257c478bd9Sstevel@tonic-gate static int 1267c478bd9Sstevel@tonic-gate d_sigjmp_buf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1277c478bd9Sstevel@tonic-gate { 1287c478bd9Sstevel@tonic-gate #if defined(__sparc) 1297c478bd9Sstevel@tonic-gate struct { 1307c478bd9Sstevel@tonic-gate int sjs_flags; 1317c478bd9Sstevel@tonic-gate greg_t sjs_sp; 1327c478bd9Sstevel@tonic-gate greg_t sjs_pc; 1337c478bd9Sstevel@tonic-gate greg_t sjs_fp; 1347c478bd9Sstevel@tonic-gate greg_t sjs_i7; 1357c478bd9Sstevel@tonic-gate ucontext_t *sjs_uclink; 1367c478bd9Sstevel@tonic-gate ulong_t sjs_pad[_JBLEN - 6]; 1377c478bd9Sstevel@tonic-gate sigset_t sjs_sigmask; 1387c478bd9Sstevel@tonic-gate #if defined(_LP64) 1393cd8a1a6SRoger A. Faulkner greg_t sjs_asi; 1403cd8a1a6SRoger A. Faulkner greg_t sjs_fprs; 1417c478bd9Sstevel@tonic-gate #endif 1427c478bd9Sstevel@tonic-gate stack_t sjs_stack; 1437c478bd9Sstevel@tonic-gate } s; 1447c478bd9Sstevel@tonic-gate 1457c478bd9Sstevel@tonic-gate if (argc != 0) 1467c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 1477c478bd9Sstevel@tonic-gate 1487c478bd9Sstevel@tonic-gate if (mdb_vread(&s, sizeof (s), addr) != sizeof (s)) { 1497c478bd9Sstevel@tonic-gate mdb_warn("failed to read sigjmp_buf at %p", addr); 1507c478bd9Sstevel@tonic-gate return (DCMD_ERR); 1517c478bd9Sstevel@tonic-gate } 1527c478bd9Sstevel@tonic-gate 1537c478bd9Sstevel@tonic-gate mdb_printf(" flags = 0x%x\n", s.sjs_flags); 1547c478bd9Sstevel@tonic-gate mdb_printf(" %%sp = 0x%lx %lA\n", s.sjs_sp, s.sjs_sp); 1557c478bd9Sstevel@tonic-gate mdb_printf(" %%pc = 0x%lx %lA\n", s.sjs_pc, s.sjs_pc); 1567c478bd9Sstevel@tonic-gate mdb_printf(" %%fp = 0x%lx %lA\n", s.sjs_fp, s.sjs_fp); 1577c478bd9Sstevel@tonic-gate mdb_printf(" %%i7 = 0x%lx %lA\n", s.sjs_i7, s.sjs_i7); 1587c478bd9Sstevel@tonic-gate mdb_printf(" uclink = %p\n", s.sjs_uclink); 1597c478bd9Sstevel@tonic-gate mdb_printf(" sigset = 0x%08x 0x%08x 0x%08x 0x%08x\n", 1607c478bd9Sstevel@tonic-gate s.sjs_sigmask.__sigbits[0], s.sjs_sigmask.__sigbits[1], 1617c478bd9Sstevel@tonic-gate s.sjs_sigmask.__sigbits[2], s.sjs_sigmask.__sigbits[3]); 1623cd8a1a6SRoger A. Faulkner #if defined(_LP64) 1633cd8a1a6SRoger A. Faulkner mdb_printf(" %%asi = 0x%lx\n", s.sjs_asi); 1643cd8a1a6SRoger A. Faulkner mdb_printf(" %%fprs = 0x%lx\n", s.sjs_fprs); 1653cd8a1a6SRoger A. Faulkner #endif 1667c478bd9Sstevel@tonic-gate mdb_printf(" stack = sp 0x%p size 0x%lx flags %s\n", 1677c478bd9Sstevel@tonic-gate s.sjs_stack.ss_sp, s.sjs_stack.ss_size, stack_flags(&s.sjs_stack)); 1687c478bd9Sstevel@tonic-gate 1697c478bd9Sstevel@tonic-gate return (DCMD_OK); 1707c478bd9Sstevel@tonic-gate 1717c478bd9Sstevel@tonic-gate #elif defined(__i386) || defined(__amd64) 1727c478bd9Sstevel@tonic-gate return (d_ucontext(addr, flags, argc, argv)); 1737c478bd9Sstevel@tonic-gate #endif 1747c478bd9Sstevel@tonic-gate } 1757c478bd9Sstevel@tonic-gate 1767c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1777c478bd9Sstevel@tonic-gate static int 1787c478bd9Sstevel@tonic-gate d_siginfo(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1797c478bd9Sstevel@tonic-gate { 1807c478bd9Sstevel@tonic-gate static const char *const msname[] = { 1817c478bd9Sstevel@tonic-gate "USER", "SYSTEM", "TRAP", "TFAULT", "DFAULT", "KFAULT", 1827c478bd9Sstevel@tonic-gate "USER_LOCK", "SLEEP", "WAIT_CPU", "STOPPED" 1837c478bd9Sstevel@tonic-gate }; 1847c478bd9Sstevel@tonic-gate 1857c478bd9Sstevel@tonic-gate char signame[SIG2STR_MAX]; 1867c478bd9Sstevel@tonic-gate siginfo_t si; 1877c478bd9Sstevel@tonic-gate int i; 1887c478bd9Sstevel@tonic-gate 1897c478bd9Sstevel@tonic-gate if (argc != 0) 1907c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 1917c478bd9Sstevel@tonic-gate 1927c478bd9Sstevel@tonic-gate if (mdb_vread(&si, sizeof (si), addr) != sizeof (si)) { 1937c478bd9Sstevel@tonic-gate mdb_warn("failed to read siginfo at %p", addr); 1947c478bd9Sstevel@tonic-gate return (DCMD_ERR); 1957c478bd9Sstevel@tonic-gate } 1967c478bd9Sstevel@tonic-gate 1977c478bd9Sstevel@tonic-gate if (sig2str(si.si_signo, signame) == -1) 1987c478bd9Sstevel@tonic-gate (void) strcpy(signame, "unknown"); 1997c478bd9Sstevel@tonic-gate 2007c478bd9Sstevel@tonic-gate mdb_printf(" signal %5d (%s)\n", si.si_signo, signame); 2017c478bd9Sstevel@tonic-gate mdb_printf(" code %5d (", si.si_code); 2027c478bd9Sstevel@tonic-gate 2037c478bd9Sstevel@tonic-gate switch (si.si_code) { 2047c478bd9Sstevel@tonic-gate case SI_NOINFO: 2057c478bd9Sstevel@tonic-gate mdb_printf("no info"); 2067c478bd9Sstevel@tonic-gate break; 2077c478bd9Sstevel@tonic-gate case SI_DTRACE: 2087c478bd9Sstevel@tonic-gate mdb_printf("from DTrace raise() action"); 2097c478bd9Sstevel@tonic-gate break; 2107c478bd9Sstevel@tonic-gate case SI_RCTL: 2117c478bd9Sstevel@tonic-gate mdb_printf("from rctl action"); 2127c478bd9Sstevel@tonic-gate break; 2137c478bd9Sstevel@tonic-gate case SI_USER: 2147c478bd9Sstevel@tonic-gate mdb_printf("user generated via kill"); 2157c478bd9Sstevel@tonic-gate break; 2167c478bd9Sstevel@tonic-gate case SI_LWP: 2177c478bd9Sstevel@tonic-gate mdb_printf("user generated via lwp_kill"); 2187c478bd9Sstevel@tonic-gate break; 2197c478bd9Sstevel@tonic-gate case SI_QUEUE: 2207c478bd9Sstevel@tonic-gate mdb_printf("user generated via sigqueue"); 2217c478bd9Sstevel@tonic-gate break; 2227c478bd9Sstevel@tonic-gate case SI_TIMER: 2237c478bd9Sstevel@tonic-gate mdb_printf("from timer expiration"); 2247c478bd9Sstevel@tonic-gate break; 2257c478bd9Sstevel@tonic-gate case SI_ASYNCIO: 2267c478bd9Sstevel@tonic-gate mdb_printf("from async i/o completion"); 2277c478bd9Sstevel@tonic-gate break; 2287c478bd9Sstevel@tonic-gate case SI_MESGQ: 2297c478bd9Sstevel@tonic-gate mdb_printf("from message arrival"); 2307c478bd9Sstevel@tonic-gate break; 2317c478bd9Sstevel@tonic-gate default: 2327c478bd9Sstevel@tonic-gate if (SI_FROMUSER(&si)) 2337c478bd9Sstevel@tonic-gate mdb_printf("from user process"); 2347c478bd9Sstevel@tonic-gate else 2357c478bd9Sstevel@tonic-gate mdb_printf("from kernel"); 2367c478bd9Sstevel@tonic-gate } 2377c478bd9Sstevel@tonic-gate 2387c478bd9Sstevel@tonic-gate mdb_printf(")\n errno %5d (%s)\n", 2397c478bd9Sstevel@tonic-gate si.si_errno, strerror(si.si_errno)); 2407c478bd9Sstevel@tonic-gate 2417c478bd9Sstevel@tonic-gate if (si.si_code == SI_USER || si.si_code == SI_QUEUE) { 2427c478bd9Sstevel@tonic-gate mdb_printf(" signal sent from PID %d (uid %d)\n", 2437c478bd9Sstevel@tonic-gate si.si_pid, si.si_uid); 2447c478bd9Sstevel@tonic-gate } 2457c478bd9Sstevel@tonic-gate 2467c478bd9Sstevel@tonic-gate if (si.si_code == SI_QUEUE) { 2477c478bd9Sstevel@tonic-gate mdb_printf(" signal value = 0t%d / %p\n", 2487c478bd9Sstevel@tonic-gate si.si_value.sival_int, si.si_value.sival_ptr); 2497c478bd9Sstevel@tonic-gate } 2507c478bd9Sstevel@tonic-gate 2517c478bd9Sstevel@tonic-gate switch (si.si_signo) { 2527c478bd9Sstevel@tonic-gate case SIGCLD: 2537c478bd9Sstevel@tonic-gate mdb_printf(" signal sent from child PID %d (uid %d)\n", 2547c478bd9Sstevel@tonic-gate si.si_pid, si.si_uid); 2557c478bd9Sstevel@tonic-gate mdb_printf(" usr time = 0t%ld ticks, sys time = 0t%ld ticks\n", 2567c478bd9Sstevel@tonic-gate si.si_utime, si.si_stime); 2577c478bd9Sstevel@tonic-gate mdb_printf(" wait status = 0x%x\n", si.si_status); 2587c478bd9Sstevel@tonic-gate break; 2597c478bd9Sstevel@tonic-gate 2607c478bd9Sstevel@tonic-gate case SIGSEGV: 2617c478bd9Sstevel@tonic-gate case SIGBUS: 2627c478bd9Sstevel@tonic-gate case SIGILL: 2637c478bd9Sstevel@tonic-gate case SIGTRAP: 2647c478bd9Sstevel@tonic-gate case SIGFPE: 2657c478bd9Sstevel@tonic-gate mdb_printf(" fault address = 0x%p\n trapno = %d\n", 2667c478bd9Sstevel@tonic-gate si.si_addr, si.si_trapno); 2677c478bd9Sstevel@tonic-gate mdb_printf(" instruction address = 0x%p %lA\n", 2687c478bd9Sstevel@tonic-gate si.si_pc, si.si_pc); 2697c478bd9Sstevel@tonic-gate break; 2707c478bd9Sstevel@tonic-gate 2717c478bd9Sstevel@tonic-gate case SIGPOLL: 2727c478bd9Sstevel@tonic-gate case SIGXFSZ: 2737c478bd9Sstevel@tonic-gate mdb_printf(" fd = %d band = 0x%lx\n", 2747c478bd9Sstevel@tonic-gate si.si_fd, si.si_band); 2757c478bd9Sstevel@tonic-gate break; 2767c478bd9Sstevel@tonic-gate 2777c478bd9Sstevel@tonic-gate case SIGPROF: 2787c478bd9Sstevel@tonic-gate mdb_printf(" last fault address = 0x%p fault type = %d\n", 2797c478bd9Sstevel@tonic-gate si.si_faddr, si.si_fault); 2807c478bd9Sstevel@tonic-gate mdb_printf(" timestamp = 0t%ld sec 0t%ld nsec\n", 2817c478bd9Sstevel@tonic-gate si.si_tstamp.tv_sec, si.si_tstamp.tv_nsec); 2827c478bd9Sstevel@tonic-gate 2837c478bd9Sstevel@tonic-gate if (si.__data.__prof.__syscall != 0) { 2847c478bd9Sstevel@tonic-gate mdb_printf(" system call %d (", si.si_syscall); 2857c478bd9Sstevel@tonic-gate if (si.si_nsysarg > 0) { 2867c478bd9Sstevel@tonic-gate mdb_printf("%lx", si.si_sysarg[0]); 2877c478bd9Sstevel@tonic-gate for (i = 1; i < si.si_nsysarg; i++) 2887c478bd9Sstevel@tonic-gate mdb_printf(", %lx", si.si_sysarg[i]); 2897c478bd9Sstevel@tonic-gate } 2907c478bd9Sstevel@tonic-gate mdb_printf(" )\n"); 2917c478bd9Sstevel@tonic-gate } 2927c478bd9Sstevel@tonic-gate 2937c478bd9Sstevel@tonic-gate for (i = 0; i < sizeof (msname) / sizeof (msname[0]); i++) { 2947c478bd9Sstevel@tonic-gate mdb_printf(" mstate[\"%s\"] = %d\n", 2957c478bd9Sstevel@tonic-gate msname[i], si.si_mstate[i]); 2967c478bd9Sstevel@tonic-gate } 2977c478bd9Sstevel@tonic-gate break; 2987c478bd9Sstevel@tonic-gate } 2997c478bd9Sstevel@tonic-gate 3007c478bd9Sstevel@tonic-gate return (DCMD_OK); 3017c478bd9Sstevel@tonic-gate } 3027c478bd9Sstevel@tonic-gate 3037c478bd9Sstevel@tonic-gate static int 3047c478bd9Sstevel@tonic-gate uc_walk_step(mdb_walk_state_t *wsp) 3057c478bd9Sstevel@tonic-gate { 3067c478bd9Sstevel@tonic-gate uintptr_t addr = wsp->walk_addr; 3077c478bd9Sstevel@tonic-gate ucontext_t uc; 3087c478bd9Sstevel@tonic-gate 3097c478bd9Sstevel@tonic-gate if (addr == NULL) 3107c478bd9Sstevel@tonic-gate return (WALK_DONE); 3117c478bd9Sstevel@tonic-gate 3127c478bd9Sstevel@tonic-gate if (mdb_vread(&uc, sizeof (uc), addr) != sizeof (uc)) { 3137c478bd9Sstevel@tonic-gate mdb_warn("failed to read ucontext at %p", addr); 3147c478bd9Sstevel@tonic-gate return (WALK_ERR); 3157c478bd9Sstevel@tonic-gate } 3167c478bd9Sstevel@tonic-gate 3177c478bd9Sstevel@tonic-gate wsp->walk_addr = (uintptr_t)uc.uc_link; 3187c478bd9Sstevel@tonic-gate return (wsp->walk_callback(addr, &uc, wsp->walk_cbdata)); 3197c478bd9Sstevel@tonic-gate } 3207c478bd9Sstevel@tonic-gate 3217c478bd9Sstevel@tonic-gate static int 3227c478bd9Sstevel@tonic-gate oldc_walk_init(mdb_walk_state_t *wsp) 3237c478bd9Sstevel@tonic-gate { 3247c478bd9Sstevel@tonic-gate ssize_t nbytes = mdb_get_xdata("lwpstatus", NULL, 0); 3257c478bd9Sstevel@tonic-gate 3267c478bd9Sstevel@tonic-gate if (nbytes <= 0) { 3277c478bd9Sstevel@tonic-gate mdb_warn("lwpstatus information not available"); 3287c478bd9Sstevel@tonic-gate return (WALK_ERR); 3297c478bd9Sstevel@tonic-gate } 3307c478bd9Sstevel@tonic-gate 3317c478bd9Sstevel@tonic-gate if (wsp->walk_addr != NULL) { 3327c478bd9Sstevel@tonic-gate mdb_warn("walker only supports global walk\n"); 3337c478bd9Sstevel@tonic-gate return (WALK_ERR); 3347c478bd9Sstevel@tonic-gate } 3357c478bd9Sstevel@tonic-gate 3367c478bd9Sstevel@tonic-gate wsp->walk_addr = nbytes; /* Use walk_addr to track size */ 3377c478bd9Sstevel@tonic-gate wsp->walk_data = mdb_alloc(nbytes, UM_SLEEP); 3387c478bd9Sstevel@tonic-gate 3397c478bd9Sstevel@tonic-gate if (mdb_get_xdata("lwpstatus", wsp->walk_data, nbytes) != nbytes) { 3407c478bd9Sstevel@tonic-gate mdb_warn("failed to read lwpstatus information"); 3417c478bd9Sstevel@tonic-gate mdb_free(wsp->walk_data, nbytes); 3427c478bd9Sstevel@tonic-gate return (WALK_ERR); 3437c478bd9Sstevel@tonic-gate } 3447c478bd9Sstevel@tonic-gate 3457c478bd9Sstevel@tonic-gate wsp->walk_arg = wsp->walk_data; /* Use walk_arg to track pointer */ 3467c478bd9Sstevel@tonic-gate return (WALK_NEXT); 3477c478bd9Sstevel@tonic-gate } 3487c478bd9Sstevel@tonic-gate 3497c478bd9Sstevel@tonic-gate static int 3507c478bd9Sstevel@tonic-gate oldc_walk_step(mdb_walk_state_t *wsp) 3517c478bd9Sstevel@tonic-gate { 3527c478bd9Sstevel@tonic-gate const lwpstatus_t *lsp, *end; 3537c478bd9Sstevel@tonic-gate 3547c478bd9Sstevel@tonic-gate end = (const lwpstatus_t *)((uintptr_t)wsp->walk_data + wsp->walk_addr); 3557c478bd9Sstevel@tonic-gate lsp = wsp->walk_arg; 3567c478bd9Sstevel@tonic-gate 3577c478bd9Sstevel@tonic-gate wsp->walk_arg = (void *)(lsp + 1); 3587c478bd9Sstevel@tonic-gate 3597c478bd9Sstevel@tonic-gate if (lsp < end) { 3607c478bd9Sstevel@tonic-gate uintptr_t addr = lsp->pr_oldcontext; 3617c478bd9Sstevel@tonic-gate ucontext_t uc; 3627c478bd9Sstevel@tonic-gate 3637c478bd9Sstevel@tonic-gate if (addr == NULL) 3647c478bd9Sstevel@tonic-gate return (WALK_NEXT); 3657c478bd9Sstevel@tonic-gate 3667c478bd9Sstevel@tonic-gate if (mdb_vread(&uc, sizeof (uc), addr) != sizeof (uc)) { 3677c478bd9Sstevel@tonic-gate mdb_warn("failed to read ucontext at %p", addr); 3687c478bd9Sstevel@tonic-gate return (WALK_NEXT); 3697c478bd9Sstevel@tonic-gate } 3707c478bd9Sstevel@tonic-gate 3717c478bd9Sstevel@tonic-gate return (wsp->walk_callback(addr, &uc, wsp->walk_cbdata)); 3727c478bd9Sstevel@tonic-gate } 3737c478bd9Sstevel@tonic-gate 3747c478bd9Sstevel@tonic-gate return (WALK_DONE); 3757c478bd9Sstevel@tonic-gate } 3767c478bd9Sstevel@tonic-gate 3777c478bd9Sstevel@tonic-gate static void 3787c478bd9Sstevel@tonic-gate oldc_walk_fini(mdb_walk_state_t *wsp) 3797c478bd9Sstevel@tonic-gate { 3807c478bd9Sstevel@tonic-gate mdb_free(wsp->walk_data, wsp->walk_addr); /* walk_addr has size */ 3817c478bd9Sstevel@tonic-gate } 3827c478bd9Sstevel@tonic-gate 3837c478bd9Sstevel@tonic-gate /* 3847c478bd9Sstevel@tonic-gate * ==================== threads ========================== 3857c478bd9Sstevel@tonic-gate * These are the interfaces that used to require libthread. 3867c478bd9Sstevel@tonic-gate * Now, libthread has been folded into libc. 3877c478bd9Sstevel@tonic-gate * ======================================================= 3887c478bd9Sstevel@tonic-gate */ 3897c478bd9Sstevel@tonic-gate 3907c478bd9Sstevel@tonic-gate /* 3917c478bd9Sstevel@tonic-gate * prt_addr() is called up to three times to generate arguments for 3927c478bd9Sstevel@tonic-gate * one call to mdb_printf(). We must return at least three different 3937c478bd9Sstevel@tonic-gate * pointers to static storage for consecutive calls to prt_addr(). 3947c478bd9Sstevel@tonic-gate */ 3957c478bd9Sstevel@tonic-gate static const char * 3967c478bd9Sstevel@tonic-gate prt_addr(void *addr, int pad) 3977c478bd9Sstevel@tonic-gate { 3987c478bd9Sstevel@tonic-gate static char buffer[4][24]; 3997c478bd9Sstevel@tonic-gate static int ix = 0; 4007c478bd9Sstevel@tonic-gate char *buf; 4017c478bd9Sstevel@tonic-gate 4027c478bd9Sstevel@tonic-gate if (ix == 4) /* use buffers in sequence: 0, 1, 2, 3 */ 4037c478bd9Sstevel@tonic-gate ix = 0; 4047c478bd9Sstevel@tonic-gate buf = buffer[ix++]; 4057c478bd9Sstevel@tonic-gate if (addr == NULL) 4067c478bd9Sstevel@tonic-gate return (pad? "<NULL> " : "<NULL>"); 4077c478bd9Sstevel@tonic-gate else { 4087c478bd9Sstevel@tonic-gate #ifdef _LP64 4097c478bd9Sstevel@tonic-gate (void) mdb_snprintf(buf, sizeof (buffer[0]), "0x%016lx", addr); 4107c478bd9Sstevel@tonic-gate if (pad) 4117c478bd9Sstevel@tonic-gate (void) strcpy(buf + 18, " "); 4127c478bd9Sstevel@tonic-gate #else 4137c478bd9Sstevel@tonic-gate (void) mdb_snprintf(buf, sizeof (buffer[0]), "0x%08lx", addr); 4147c478bd9Sstevel@tonic-gate if (pad) 4157c478bd9Sstevel@tonic-gate (void) strcpy(buf + 10, " "); 4167c478bd9Sstevel@tonic-gate #endif /* _LP64 */ 4177c478bd9Sstevel@tonic-gate return (buf); 4187c478bd9Sstevel@tonic-gate } 4197c478bd9Sstevel@tonic-gate } 4207c478bd9Sstevel@tonic-gate 4217c478bd9Sstevel@tonic-gate #define HD(str) mdb_printf(" " str "\n") 4227c478bd9Sstevel@tonic-gate #define OFFSTR "+0x%-7lx " 4237c478bd9Sstevel@tonic-gate #define OFFSET(member) ((size_t)OFFSETOF(ulwp_t, member)) 4247c478bd9Sstevel@tonic-gate 4257c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 4267c478bd9Sstevel@tonic-gate static int 4277c478bd9Sstevel@tonic-gate d_ulwp(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 4287c478bd9Sstevel@tonic-gate { 4297c478bd9Sstevel@tonic-gate ulwp_t ulwp; 4307c478bd9Sstevel@tonic-gate 4317c478bd9Sstevel@tonic-gate if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 4327c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 4337c478bd9Sstevel@tonic-gate 4347c478bd9Sstevel@tonic-gate if (mdb_vread(&ulwp, sizeof (ulwp), addr) != sizeof (ulwp) && 4357c478bd9Sstevel@tonic-gate (bzero(&ulwp, sizeof (ulwp)), 4367c478bd9Sstevel@tonic-gate mdb_vread(&ulwp, REPLACEMENT_SIZE, addr)) != REPLACEMENT_SIZE) { 4377c478bd9Sstevel@tonic-gate mdb_warn("failed to read ulwp at 0x%p", addr); 4387c478bd9Sstevel@tonic-gate return (DCMD_ERR); 4397c478bd9Sstevel@tonic-gate } 4407c478bd9Sstevel@tonic-gate 4417c478bd9Sstevel@tonic-gate mdb_printf("%#a\n", addr); 4427c478bd9Sstevel@tonic-gate 4437c478bd9Sstevel@tonic-gate HD("self uberdata"); 4447c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s\n", 4458cd45542Sraf OFFSET(ul_self), 4468cd45542Sraf prt_addr(ulwp.ul_self, 1), 4478cd45542Sraf prt_addr(ulwp.ul_uberdata, 0)); 4487c478bd9Sstevel@tonic-gate 4497c478bd9Sstevel@tonic-gate HD("tlsent ntlsent"); 4507c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %ld\n", 4518cd45542Sraf OFFSET(ul_tlsent), 4528cd45542Sraf prt_addr(ulwp.ul_tlsent, 1), 4538cd45542Sraf ulwp.ul_ntlsent); 4547c478bd9Sstevel@tonic-gate 4557c478bd9Sstevel@tonic-gate HD("forw back next"); 4567c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 4578cd45542Sraf OFFSET(ul_forw), 4588cd45542Sraf prt_addr(ulwp.ul_forw, 1), 4598cd45542Sraf prt_addr(ulwp.ul_back, 1), 4608cd45542Sraf prt_addr(ulwp.ul_next, 0)); 4617c478bd9Sstevel@tonic-gate 4627c478bd9Sstevel@tonic-gate HD("hash rval stk"); 4637c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 4648cd45542Sraf OFFSET(ul_hash), 4658cd45542Sraf prt_addr(ulwp.ul_hash, 1), 4668cd45542Sraf prt_addr(ulwp.ul_rval, 1), 4678cd45542Sraf prt_addr(ulwp.ul_stk, 0)); 4687c478bd9Sstevel@tonic-gate 4697c478bd9Sstevel@tonic-gate HD("mapsiz guardsize stktop stksiz"); 4707c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10ld %-10ld %s %ld\n", 4718cd45542Sraf OFFSET(ul_mapsiz), 4728cd45542Sraf ulwp.ul_mapsiz, 4738cd45542Sraf ulwp.ul_guardsize, 4748cd45542Sraf prt_addr((void *)ulwp.ul_stktop, 1), 4758cd45542Sraf ulwp.ul_stksiz); 4767c478bd9Sstevel@tonic-gate 4777c478bd9Sstevel@tonic-gate HD("ustack.ss_sp ustack.ss_size ustack.ss_flags"); 4787c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %-21ld %s\n", 4798cd45542Sraf OFFSET(ul_ustack.ss_sp), 4808cd45542Sraf prt_addr(ulwp.ul_ustack.ss_sp, 1), 4818cd45542Sraf ulwp.ul_ustack.ss_size, 4828cd45542Sraf stack_flags(&ulwp.ul_ustack)); 4837c478bd9Sstevel@tonic-gate 484d4204c85Sraf HD("ix lwpid pri epri policy cid"); 4857c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %-10d %d\n", 4868cd45542Sraf OFFSET(ul_ix), 4878cd45542Sraf ulwp.ul_ix, 4888cd45542Sraf ulwp.ul_lwpid, 4898cd45542Sraf ulwp.ul_pri, 4908cd45542Sraf ulwp.ul_epri, 4918cd45542Sraf ulwp.ul_policy, 4928cd45542Sraf ulwp.ul_cid); 4937c478bd9Sstevel@tonic-gate 4947c478bd9Sstevel@tonic-gate HD("cursig pleasestop stop signalled dead unwind"); 4957c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d ", 4968cd45542Sraf OFFSET(ul_cursig), 4978cd45542Sraf ulwp.ul_cursig); 4987c478bd9Sstevel@tonic-gate mdb_printf(ulwp.ul_pleasestop? "0x%-8x " : "%-10d ", 4998cd45542Sraf ulwp.ul_pleasestop); 5007c478bd9Sstevel@tonic-gate mdb_printf(ulwp.ul_stop? "0x%-8x " : "%-10d ", 5018cd45542Sraf ulwp.ul_stop); 5027c478bd9Sstevel@tonic-gate mdb_printf("%-10d %-10d %d\n", 5038cd45542Sraf ulwp.ul_signalled, 5048cd45542Sraf ulwp.ul_dead, 5058cd45542Sraf ulwp.ul_unwind); 5067c478bd9Sstevel@tonic-gate 50734709573Sraf HD("detached writer stopping can'prolog preempt savpreempt"); 5087c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %-10d %d\n", 5098cd45542Sraf OFFSET(ul_detached), 5108cd45542Sraf ulwp.ul_detached, 5118cd45542Sraf ulwp.ul_writer, 5128cd45542Sraf ulwp.ul_stopping, 5138cd45542Sraf ulwp.ul_cancel_prologue, 5148cd45542Sraf ulwp.ul_preempt, 5158cd45542Sraf ulwp.ul_savpreempt); 5167c478bd9Sstevel@tonic-gate 5177c478bd9Sstevel@tonic-gate HD("sigsuspend main fork primarymap m'spinners d'noreserv"); 5187c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %-10d %d\n", 5198cd45542Sraf OFFSET(ul_sigsuspend), 5208cd45542Sraf ulwp.ul_sigsuspend, 5218cd45542Sraf ulwp.ul_main, 5228cd45542Sraf ulwp.ul_fork, 5238cd45542Sraf ulwp.ul_primarymap, 5248cd45542Sraf ulwp.ul_max_spinners, 5258cd45542Sraf ulwp.ul_door_noreserve); 5267c478bd9Sstevel@tonic-gate 527d4204c85Sraf HD("queue_fifo c'w'defer e'detect' async_safe rt rtqueued"); 5287c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %-10d %d\n", 5298cd45542Sraf OFFSET(ul_queue_fifo), 5308cd45542Sraf ulwp.ul_queue_fifo, 5318cd45542Sraf ulwp.ul_cond_wait_defer, 5328cd45542Sraf ulwp.ul_error_detection, 5338cd45542Sraf ulwp.ul_async_safe, 5348cd45542Sraf ulwp.ul_rt, 5358cd45542Sraf ulwp.ul_rtqueued); 5367c478bd9Sstevel@tonic-gate 5377c5714f6Sraf HD("misaligned adapt'spin queue_spin critical sigdefer vfork"); 5387c5714f6Sraf mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %-10d %d\n", 5397c5714f6Sraf OFFSET(ul_misaligned), 5407c5714f6Sraf ulwp.ul_misaligned, 5418cd45542Sraf ulwp.ul_adaptive_spin, 5428cd45542Sraf ulwp.ul_queue_spin, 5438cd45542Sraf ulwp.ul_critical, 5448cd45542Sraf ulwp.ul_sigdefer, 5458cd45542Sraf ulwp.ul_vfork); 5467c478bd9Sstevel@tonic-gate 5477c478bd9Sstevel@tonic-gate HD("cancelable c'pending c'disabled c'async save_async mutator"); 5487c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %-10d %d\n", 5498cd45542Sraf OFFSET(ul_cancelable), 5508cd45542Sraf ulwp.ul_cancelable, 5518cd45542Sraf ulwp.ul_cancel_pending, 5528cd45542Sraf ulwp.ul_cancel_disabled, 5538cd45542Sraf ulwp.ul_cancel_async, 5548cd45542Sraf ulwp.ul_save_async, 5558cd45542Sraf ulwp.ul_mutator); 5567c478bd9Sstevel@tonic-gate 5577c478bd9Sstevel@tonic-gate HD("created replace nocancel errno errnop"); 5587c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %s\n", 5598cd45542Sraf OFFSET(ul_created), 5608cd45542Sraf ulwp.ul_created, 5618cd45542Sraf ulwp.ul_replace, 5628cd45542Sraf ulwp.ul_nocancel, 5638cd45542Sraf ulwp.ul_errno, 5648cd45542Sraf prt_addr(ulwp.ul_errnop, 0)); 5657c478bd9Sstevel@tonic-gate 5667c478bd9Sstevel@tonic-gate HD("clnup_hdr schedctl_called schedctl"); 5677c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 5688cd45542Sraf OFFSET(ul_clnup_hdr), 5698cd45542Sraf prt_addr(ulwp.ul_clnup_hdr, 1), 5708cd45542Sraf prt_addr(ulwp.ul_schedctl_called, 1), 5718cd45542Sraf prt_addr((void *)ulwp.ul_schedctl, 0)); 5727c478bd9Sstevel@tonic-gate 573a574db85Sraf HD("bindflags libc_locks stsd &ftsd"); 5747c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR, 5758cd45542Sraf OFFSET(ul_bindflags)); 5767c478bd9Sstevel@tonic-gate mdb_printf(ulwp.ul_bindflags? "0x%-8x " : "%-10d ", 5778cd45542Sraf ulwp.ul_bindflags); 578a574db85Sraf mdb_printf("%-10d ", ulwp.ul_libc_locks); 5797c478bd9Sstevel@tonic-gate mdb_printf("%s %s\n", 5808cd45542Sraf prt_addr(ulwp.ul_stsd, 1), 5818cd45542Sraf prt_addr((void *)(addr + OFFSET(ul_ftsd[0])), 0)); 5827c478bd9Sstevel@tonic-gate 5837c478bd9Sstevel@tonic-gate HD("eventmask[0..1] eventnum eventdata"); 5847c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "0x%08x 0x%08x %-21d %s\n", 5858cd45542Sraf OFFSET(ul_td_evbuf.eventmask.event_bits[0]), 5868cd45542Sraf ulwp.ul_td_evbuf.eventmask.event_bits[0], 5878cd45542Sraf ulwp.ul_td_evbuf.eventmask.event_bits[1], 5888cd45542Sraf ulwp.ul_td_evbuf.eventnum, 5898cd45542Sraf prt_addr(ulwp.ul_td_evbuf.eventdata, 0)); 5907c478bd9Sstevel@tonic-gate 591e54ab87fSRoger A. Faulkner HD("td'enable sync'reg qtype cv_wake rtld usropts"); 592e54ab87fSRoger A. Faulkner mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %-10d ", 5938cd45542Sraf OFFSET(ul_td_events_enable), 5948cd45542Sraf ulwp.ul_td_events_enable, 5958cd45542Sraf ulwp.ul_sync_obj_reg, 5968cd45542Sraf ulwp.ul_qtype, 597e54ab87fSRoger A. Faulkner ulwp.ul_cv_wake, 598e54ab87fSRoger A. Faulkner ulwp.ul_rtld); 5997c478bd9Sstevel@tonic-gate mdb_printf(ulwp.ul_usropts? "0x%x\n" : "%d\n", 6008cd45542Sraf ulwp.ul_usropts); 6017c478bd9Sstevel@tonic-gate 6027c478bd9Sstevel@tonic-gate HD("startpc startarg wchan"); 6037c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 6048cd45542Sraf OFFSET(ul_startpc), 6058cd45542Sraf prt_addr((void *)ulwp.ul_startpc, 1), 6068cd45542Sraf prt_addr(ulwp.ul_startarg, 1), 6078cd45542Sraf prt_addr(ulwp.ul_wchan, 0)); 6087c478bd9Sstevel@tonic-gate 6097c478bd9Sstevel@tonic-gate HD("link sleepq cvmutex"); 6107c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 6118cd45542Sraf OFFSET(ul_link), 6128cd45542Sraf prt_addr(ulwp.ul_link, 1), 6138cd45542Sraf prt_addr(ulwp.ul_sleepq, 1), 6148cd45542Sraf prt_addr(ulwp.ul_cvmutex, 0)); 6157c478bd9Sstevel@tonic-gate 616d4204c85Sraf HD("mxchain save_state"); 617d4204c85Sraf mdb_printf(OFFSTR "%s %d\n", 6188cd45542Sraf OFFSET(ul_mxchain), 6198cd45542Sraf prt_addr(ulwp.ul_mxchain, 1), 6208cd45542Sraf ulwp.ul_save_state); 6217c478bd9Sstevel@tonic-gate 622883492d5Sraf HD("rdlockcnt rd_rwlock rd_count"); 623883492d5Sraf mdb_printf(OFFSTR "%-21d %s %d\n", 6248cd45542Sraf OFFSET(ul_rdlockcnt), 6258cd45542Sraf ulwp.ul_rdlockcnt, 6268cd45542Sraf prt_addr(ulwp.ul_readlock.single.rd_rwlock, 1), 6278cd45542Sraf ulwp.ul_readlock.single.rd_count); 628883492d5Sraf 629883492d5Sraf HD("heldlockcnt heldlocks tpdp"); 630883492d5Sraf mdb_printf(OFFSTR "%-21d %s %s\n", 6318cd45542Sraf OFFSET(ul_heldlockcnt), 6328cd45542Sraf ulwp.ul_heldlockcnt, 6338cd45542Sraf prt_addr(ulwp.ul_heldlocks.single, 1), 6348cd45542Sraf prt_addr(ulwp.ul_tpdp, 0)); 6357c478bd9Sstevel@tonic-gate 6367c478bd9Sstevel@tonic-gate HD("siglink s'l'spin s'l'spin2 s'l'sleep s'l'wakeup"); 637d4204c85Sraf mdb_printf(OFFSTR "%s %-10d %-10d %-10d %d\n", 6388cd45542Sraf OFFSET(ul_siglink), 6398cd45542Sraf prt_addr(ulwp.ul_siglink, 1), 6408cd45542Sraf ulwp.ul_spin_lock_spin, 6418cd45542Sraf ulwp.ul_spin_lock_spin2, 6428cd45542Sraf ulwp.ul_spin_lock_sleep, 6438cd45542Sraf ulwp.ul_spin_lock_wakeup); 6447c478bd9Sstevel@tonic-gate 645d4204c85Sraf HD("&queue_root rtclassid pilocks"); 646d4204c85Sraf mdb_printf(OFFSTR "%s %-10d %d\n", 6478cd45542Sraf OFFSET(ul_queue_root), 6488cd45542Sraf prt_addr((void *)(addr + OFFSET(ul_queue_root)), 1), 6498cd45542Sraf ulwp.ul_rtclassid, 6508cd45542Sraf ulwp.ul_pilocks); 651d4204c85Sraf 6527c478bd9Sstevel@tonic-gate /* 6537c478bd9Sstevel@tonic-gate * The remainder of the ulwp_t structure 6547c478bd9Sstevel@tonic-gate * is invalid if this is a replacement. 6557c478bd9Sstevel@tonic-gate */ 6567c478bd9Sstevel@tonic-gate if (ulwp.ul_replace) 6577c478bd9Sstevel@tonic-gate return (DCMD_OK); 6587c478bd9Sstevel@tonic-gate 6597c478bd9Sstevel@tonic-gate HD("sigmask[0..3]"); 6607c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "0x%08x 0x%08x 0x%08x 0x%08x\n", 6618cd45542Sraf OFFSET(ul_sigmask.__sigbits[0]), 6628cd45542Sraf ulwp.ul_sigmask.__sigbits[0], 6638cd45542Sraf ulwp.ul_sigmask.__sigbits[1], 6648cd45542Sraf ulwp.ul_sigmask.__sigbits[2], 6658cd45542Sraf ulwp.ul_sigmask.__sigbits[3]); 6667c478bd9Sstevel@tonic-gate 6677c478bd9Sstevel@tonic-gate HD("tmpmask[0..3]"); 6687c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "0x%08x 0x%08x 0x%08x 0x%08x\n", 6698cd45542Sraf OFFSET(ul_tmpmask.__sigbits[0]), 6708cd45542Sraf ulwp.ul_tmpmask.__sigbits[0], 6718cd45542Sraf ulwp.ul_tmpmask.__sigbits[1], 6728cd45542Sraf ulwp.ul_tmpmask.__sigbits[2], 6738cd45542Sraf ulwp.ul_tmpmask.__sigbits[3]); 6747c478bd9Sstevel@tonic-gate 6757c478bd9Sstevel@tonic-gate HD("&siginfo &spinlock &fpuenv"); 6767c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 6778cd45542Sraf OFFSET(ul_siginfo), 6788cd45542Sraf prt_addr((void *)(addr + OFFSET(ul_siginfo)), 1), 6798cd45542Sraf prt_addr((void *)(addr + OFFSET(ul_spinlock)), 1), 6808cd45542Sraf prt_addr((void *)(addr + OFFSET(ul_fpuenv)), 0)); 6817c478bd9Sstevel@tonic-gate 6827c478bd9Sstevel@tonic-gate return (DCMD_OK); 6837c478bd9Sstevel@tonic-gate } 6847c478bd9Sstevel@tonic-gate 6857c478bd9Sstevel@tonic-gate /* 6867c478bd9Sstevel@tonic-gate * Get the address of the unique uberdata_t structure. 6877c478bd9Sstevel@tonic-gate */ 6887c478bd9Sstevel@tonic-gate static uintptr_t 6897c478bd9Sstevel@tonic-gate uberdata_addr(void) 6907c478bd9Sstevel@tonic-gate { 6917c478bd9Sstevel@tonic-gate uintptr_t uaddr; 6927c478bd9Sstevel@tonic-gate uintptr_t addr; 6937c478bd9Sstevel@tonic-gate GElf_Sym sym; 6947c478bd9Sstevel@tonic-gate 6957c478bd9Sstevel@tonic-gate if (mdb_lookup_by_obj("libc.so.1", "_tdb_bootstrap", &sym) != 0) { 6967c478bd9Sstevel@tonic-gate mdb_warn("cannot find libc.so.1`_tdb_bootstrap"); 6977c478bd9Sstevel@tonic-gate return (NULL); 6987c478bd9Sstevel@tonic-gate } 6997c478bd9Sstevel@tonic-gate if (mdb_vread(&addr, sizeof (addr), sym.st_value) == sizeof (addr) && 7007c478bd9Sstevel@tonic-gate addr != NULL && 7017c478bd9Sstevel@tonic-gate mdb_vread(&uaddr, sizeof (uaddr), addr) == sizeof (uaddr) && 7027c478bd9Sstevel@tonic-gate uaddr != NULL) { 7037c478bd9Sstevel@tonic-gate return (uaddr); 7047c478bd9Sstevel@tonic-gate } 7057c478bd9Sstevel@tonic-gate if (mdb_lookup_by_obj("libc.so.1", "_uberdata", &sym) != 0) { 7067c478bd9Sstevel@tonic-gate mdb_warn("cannot find libc.so.1`_uberdata"); 7077c478bd9Sstevel@tonic-gate return (NULL); 7087c478bd9Sstevel@tonic-gate } 7097c478bd9Sstevel@tonic-gate return ((uintptr_t)sym.st_value); 7107c478bd9Sstevel@tonic-gate } 7117c478bd9Sstevel@tonic-gate 7127c478bd9Sstevel@tonic-gate #undef OFFSET 7137c478bd9Sstevel@tonic-gate #define OFFSET(member) ((size_t)OFFSETOF(uberdata_t, member)) 7147c478bd9Sstevel@tonic-gate 7157c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 7167c478bd9Sstevel@tonic-gate static int 7177c478bd9Sstevel@tonic-gate d_uberdata(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 7187c478bd9Sstevel@tonic-gate { 7197c478bd9Sstevel@tonic-gate uberdata_t uberdata; 7207c478bd9Sstevel@tonic-gate int i; 7217c478bd9Sstevel@tonic-gate 7227c478bd9Sstevel@tonic-gate if (argc != 0) 7237c478bd9Sstevel@tonic-gate return (DCMD_USAGE); 7247c478bd9Sstevel@tonic-gate if (!(flags & DCMD_ADDRSPEC) && (addr = uberdata_addr()) == NULL) 7257c478bd9Sstevel@tonic-gate return (DCMD_ERR); 7267c478bd9Sstevel@tonic-gate 7277c478bd9Sstevel@tonic-gate if (mdb_vread(&uberdata, sizeof (uberdata), addr) != 7287c478bd9Sstevel@tonic-gate sizeof (uberdata)) { 7297c478bd9Sstevel@tonic-gate mdb_warn("failed to read uberdata at 0x%p", addr); 7307c478bd9Sstevel@tonic-gate return (DCMD_ERR); 7317c478bd9Sstevel@tonic-gate } 7327c478bd9Sstevel@tonic-gate 7337c478bd9Sstevel@tonic-gate mdb_printf("%#a\n", addr); 7347c478bd9Sstevel@tonic-gate 7358cd45542Sraf HD("&link_lock &ld_lock &fork_lock"); 7367c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 7378cd45542Sraf OFFSET(link_lock), 7388cd45542Sraf prt_addr((void *)(addr + OFFSET(link_lock)), 1), 7398cd45542Sraf prt_addr((void *)(addr + OFFSET(ld_lock)), 1), 7408cd45542Sraf prt_addr((void *)(addr + OFFSET(fork_lock)), 0)); 7417c478bd9Sstevel@tonic-gate 7428cd45542Sraf HD("&atfork_lock &callout_lock &tdb_hash_lock"); 7437c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 7448cd45542Sraf OFFSET(atfork_lock), 7458cd45542Sraf prt_addr((void *)(addr + OFFSET(atfork_lock)), 1), 7468cd45542Sraf prt_addr((void *)(addr + OFFSET(callout_lock)), 1), 7478cd45542Sraf prt_addr((void *)(addr + OFFSET(tdb_hash_lock)), 0)); 7488cd45542Sraf 7498cd45542Sraf HD("&tdb_hash_lock_stats &siguaction[0]"); 7508cd45542Sraf mdb_printf(OFFSTR "%s %s\n", 7518cd45542Sraf OFFSET(tdb_hash_lock_stats), 7528cd45542Sraf prt_addr((void *)(addr + OFFSET(tdb_hash_lock_stats)), 1), 7538cd45542Sraf prt_addr((void *)(addr + OFFSET(siguaction)), 0)); 7547c478bd9Sstevel@tonic-gate 7557c478bd9Sstevel@tonic-gate HD("&bucket free_list chunks"); 7567c478bd9Sstevel@tonic-gate for (i = 0; i < NBUCKETS; i++) { 7577c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %ld\n", 7588cd45542Sraf OFFSET(bucket[i]), 7598cd45542Sraf prt_addr((void *)(addr + OFFSET(bucket[i])), 1), 7608cd45542Sraf prt_addr(uberdata.bucket[i].free_list, 1), 7618cd45542Sraf uberdata.bucket[i].chunks); 7627c478bd9Sstevel@tonic-gate } 7637c478bd9Sstevel@tonic-gate 7647c478bd9Sstevel@tonic-gate HD("&atexit_root head exit_frame_monitor"); 7657c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 7668cd45542Sraf OFFSET(atexit_root), 7678cd45542Sraf prt_addr((void *)(addr + OFFSET(atexit_root.exitfns_lock)), 1), 7688cd45542Sraf prt_addr(uberdata.atexit_root.head, 1), 7698cd45542Sraf prt_addr(uberdata.atexit_root.exit_frame_monitor, 0)); 7707c478bd9Sstevel@tonic-gate 7717c478bd9Sstevel@tonic-gate HD("&tsd_metadata tsdm_nkeys tsdm_nused tsdm_destro"); 7727c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %-10d %-10d %s\n", 7738cd45542Sraf OFFSET(tsd_metadata), 7748cd45542Sraf prt_addr((void *)(addr + OFFSET(tsd_metadata.tsdm_lock)), 1), 7758cd45542Sraf uberdata.tsd_metadata.tsdm_nkeys, 7768cd45542Sraf uberdata.tsd_metadata.tsdm_nused, 7778cd45542Sraf prt_addr((void *)uberdata.tsd_metadata.tsdm_destro, 0)); 7787c478bd9Sstevel@tonic-gate 7797c478bd9Sstevel@tonic-gate HD("&tls_metadata tls_modinfo.data tls_modinfo.size"); 7807c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %ld\n", 7818cd45542Sraf OFFSET(tls_metadata), 7828cd45542Sraf prt_addr((void *)(addr + OFFSET(tls_metadata.tls_lock)), 1), 7838cd45542Sraf prt_addr(uberdata.tls_metadata.tls_modinfo.tls_data, 1), 7848cd45542Sraf uberdata.tls_metadata.tls_modinfo.tls_size); 7857c478bd9Sstevel@tonic-gate 7867c478bd9Sstevel@tonic-gate HD(" static_tls.data static_tls.size"); 7877c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %ld\n", 7888cd45542Sraf OFFSET(tls_metadata.static_tls), 7898cd45542Sraf " ", 7908cd45542Sraf prt_addr(uberdata.tls_metadata.static_tls.tls_data, 1), 7918cd45542Sraf uberdata.tls_metadata.static_tls.tls_size); 7927c478bd9Sstevel@tonic-gate 7937c478bd9Sstevel@tonic-gate HD("primary_ma bucket_ini uflags.mt uflags.pad uflags.trs uflags.ted"); 7947c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %-10d %d\n", 7958cd45542Sraf OFFSET(primary_map), 7968cd45542Sraf uberdata.primary_map, 7978cd45542Sraf uberdata.bucket_init, 7988cd45542Sraf uberdata.uberflags.uf_x.x_mt, 7998cd45542Sraf uberdata.uberflags.uf_x.x_pad, 8008cd45542Sraf uberdata.uberflags.uf_x.x_tdb_register_sync, 8018cd45542Sraf uberdata.uberflags.uf_x.x_thread_error_detection); 8027c478bd9Sstevel@tonic-gate 8037c478bd9Sstevel@tonic-gate HD("queue_head thr_hash_table hash_size hash_mask"); 8047c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %-10d 0x%x\n", 8058cd45542Sraf OFFSET(queue_head), 8068cd45542Sraf prt_addr(uberdata.queue_head, 1), 8078cd45542Sraf prt_addr(uberdata.thr_hash_table, 1), 8088cd45542Sraf uberdata.hash_size, 8098cd45542Sraf uberdata.hash_mask); 8107c478bd9Sstevel@tonic-gate 8117c478bd9Sstevel@tonic-gate HD("ulwp_one all_lwps all_zombies"); 8127c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %s\n", 8138cd45542Sraf OFFSET(ulwp_one), 8148cd45542Sraf prt_addr(uberdata.ulwp_one, 1), 8158cd45542Sraf prt_addr(uberdata.all_lwps, 1), 8168cd45542Sraf prt_addr(uberdata.all_zombies, 0)); 8177c478bd9Sstevel@tonic-gate 8187c478bd9Sstevel@tonic-gate HD("nthreads nzombies ndaemons pid sigacthandler"); 8197c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%-10d %-10d %-10d %-10d %s\n", 8208cd45542Sraf OFFSET(nthreads), 8218cd45542Sraf uberdata.nthreads, 8228cd45542Sraf uberdata.nzombies, 8238cd45542Sraf uberdata.ndaemons, 8248cd45542Sraf (int)uberdata.pid, 8258cd45542Sraf prt_addr((void *)uberdata.sigacthandler, 0)); 8267c478bd9Sstevel@tonic-gate 8277c478bd9Sstevel@tonic-gate HD("lwp_stacks lwp_laststack nfreestack stk_cache"); 8287c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %-10d %d\n", 8298cd45542Sraf OFFSET(lwp_stacks), 8308cd45542Sraf prt_addr(uberdata.lwp_stacks, 1), 8318cd45542Sraf prt_addr(uberdata.lwp_laststack, 1), 8328cd45542Sraf uberdata.nfreestack, 8338cd45542Sraf uberdata.thread_stack_cache); 8347c478bd9Sstevel@tonic-gate 8358cd45542Sraf HD("ulwp_freelist ulwp_lastfree ulwp_replace_free"); 8368cd45542Sraf mdb_printf(OFFSTR "%s %s %s\n", 8378cd45542Sraf OFFSET(ulwp_freelist), 8388cd45542Sraf prt_addr(uberdata.ulwp_freelist, 1), 8398cd45542Sraf prt_addr(uberdata.ulwp_lastfree, 1), 8408cd45542Sraf prt_addr(uberdata.ulwp_replace_free, 0)); 841883492d5Sraf 84209ce0d4aSRoger A. Faulkner HD("ulwp_replace_last atforklist"); 84309ce0d4aSRoger A. Faulkner mdb_printf(OFFSTR "%s %s\n", 8448cd45542Sraf OFFSET(ulwp_replace_last), 8458cd45542Sraf prt_addr(uberdata.ulwp_replace_last, 1), 84609ce0d4aSRoger A. Faulkner prt_addr(uberdata.atforklist, 0)); 84709ce0d4aSRoger A. Faulkner 84809ce0d4aSRoger A. Faulkner HD("robustlocks robustlist"); 84909ce0d4aSRoger A. Faulkner mdb_printf(OFFSTR "%s %s\n", 85009ce0d4aSRoger A. Faulkner OFFSET(robustlocks), 85109ce0d4aSRoger A. Faulkner prt_addr(uberdata.robustlocks, 1), 85209ce0d4aSRoger A. Faulkner prt_addr(uberdata.robustlist, 0)); 8537c478bd9Sstevel@tonic-gate 8547c478bd9Sstevel@tonic-gate HD("tdb_bootstrap tdb_sync_addr_hash tdb_'count tdb_'fail"); 8557c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %-10d %d\n", 8568cd45542Sraf OFFSET(tdb_bootstrap), 8578cd45542Sraf prt_addr(uberdata.tdb_bootstrap, 1), 8588cd45542Sraf prt_addr(uberdata.tdb.tdb_sync_addr_hash, 1), 8598cd45542Sraf uberdata.tdb.tdb_register_count, 8608cd45542Sraf uberdata.tdb.tdb_hash_alloc_failed); 8617c478bd9Sstevel@tonic-gate 8627c478bd9Sstevel@tonic-gate HD("tdb_sync_addr_free tdb_sync_addr_last tdb_sync_alloc"); 8637c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "%s %s %ld\n", 8648cd45542Sraf OFFSET(tdb.tdb_sync_addr_free), 8658cd45542Sraf prt_addr(uberdata.tdb.tdb_sync_addr_free, 1), 8668cd45542Sraf prt_addr(uberdata.tdb.tdb_sync_addr_last, 1), 8678cd45542Sraf uberdata.tdb.tdb_sync_alloc); 8687c478bd9Sstevel@tonic-gate 8697c478bd9Sstevel@tonic-gate HD("tdb_ev_global_mask tdb_events"); 8707c478bd9Sstevel@tonic-gate mdb_printf(OFFSTR "0x%08x 0x%08x %s\n", 8718cd45542Sraf OFFSET(tdb.tdb_ev_global_mask), 8728cd45542Sraf uberdata.tdb.tdb_ev_global_mask.event_bits[0], 8738cd45542Sraf uberdata.tdb.tdb_ev_global_mask.event_bits[1], 8748cd45542Sraf prt_addr((void *)uberdata.tdb.tdb_events, 0)); 8757c478bd9Sstevel@tonic-gate 8767c478bd9Sstevel@tonic-gate return (DCMD_OK); 8777c478bd9Sstevel@tonic-gate } 8787c478bd9Sstevel@tonic-gate 8797c478bd9Sstevel@tonic-gate static int 8807c478bd9Sstevel@tonic-gate ulwp_walk_init(mdb_walk_state_t *wsp) 8817c478bd9Sstevel@tonic-gate { 8827c478bd9Sstevel@tonic-gate uintptr_t addr = wsp->walk_addr; 8837c478bd9Sstevel@tonic-gate uintptr_t uber_addr; 8847c478bd9Sstevel@tonic-gate 8857c478bd9Sstevel@tonic-gate if (addr == NULL && 8867c478bd9Sstevel@tonic-gate ((uber_addr = uberdata_addr()) == NULL || 8877c478bd9Sstevel@tonic-gate mdb_vread(&addr, sizeof (addr), 8887c478bd9Sstevel@tonic-gate uber_addr + OFFSETOF(uberdata_t, all_lwps)) 8897c478bd9Sstevel@tonic-gate != sizeof (addr))) { 8907c478bd9Sstevel@tonic-gate mdb_warn("cannot find 'uberdata.all_lwps'"); 8917c478bd9Sstevel@tonic-gate return (WALK_ERR); 8927c478bd9Sstevel@tonic-gate } 8937c478bd9Sstevel@tonic-gate if (addr == NULL) 8947c478bd9Sstevel@tonic-gate return (WALK_DONE); 8957c478bd9Sstevel@tonic-gate wsp->walk_addr = addr; 8967c478bd9Sstevel@tonic-gate wsp->walk_data = (void *)addr; 8977c478bd9Sstevel@tonic-gate return (WALK_NEXT); 8987c478bd9Sstevel@tonic-gate } 8997c478bd9Sstevel@tonic-gate 9007c478bd9Sstevel@tonic-gate static int 9017c478bd9Sstevel@tonic-gate ulwp_walk_step(mdb_walk_state_t *wsp) 9027c478bd9Sstevel@tonic-gate { 9037c478bd9Sstevel@tonic-gate uintptr_t addr = wsp->walk_addr; 9047c478bd9Sstevel@tonic-gate ulwp_t ulwp; 9057c478bd9Sstevel@tonic-gate 9067c478bd9Sstevel@tonic-gate if (addr == NULL) 9077c478bd9Sstevel@tonic-gate return (WALK_DONE); 9087c478bd9Sstevel@tonic-gate if (mdb_vread(&ulwp, sizeof (ulwp), addr) != sizeof (ulwp) && 9097c478bd9Sstevel@tonic-gate (bzero(&ulwp, sizeof (ulwp)), 9107c478bd9Sstevel@tonic-gate mdb_vread(&ulwp, REPLACEMENT_SIZE, addr)) != REPLACEMENT_SIZE) { 9117c478bd9Sstevel@tonic-gate mdb_warn("failed to read ulwp at 0x%p", addr); 9127c478bd9Sstevel@tonic-gate return (WALK_ERR); 9137c478bd9Sstevel@tonic-gate } 9147c478bd9Sstevel@tonic-gate /* 9157c478bd9Sstevel@tonic-gate * If we have looped around to the beginning 9167c478bd9Sstevel@tonic-gate * of the circular linked list, we are done. 9177c478bd9Sstevel@tonic-gate */ 9187c478bd9Sstevel@tonic-gate if ((wsp->walk_addr = (uintptr_t)ulwp.ul_forw) 9197c478bd9Sstevel@tonic-gate == (uintptr_t)wsp->walk_data) 9207c478bd9Sstevel@tonic-gate wsp->walk_addr = NULL; 9217c478bd9Sstevel@tonic-gate return (wsp->walk_callback(addr, &ulwp, wsp->walk_cbdata)); 9227c478bd9Sstevel@tonic-gate } 9237c478bd9Sstevel@tonic-gate 9244a1c2431SJonathan Adams /* Avoid classifying NULL pointers as part of the main stack on x86 */ 9254a1c2431SJonathan Adams #define MIN_STACK_ADDR (0x10000ul) 9264a1c2431SJonathan Adams 9274a1c2431SJonathan Adams static int 9284a1c2431SJonathan Adams whatis_walk_ulwp(uintptr_t addr, const ulwp_t *ulwp, mdb_whatis_t *w) 9294a1c2431SJonathan Adams { 9304a1c2431SJonathan Adams uintptr_t cur; 9314a1c2431SJonathan Adams lwpid_t id = ulwp->ul_lwpid; 9324a1c2431SJonathan Adams uintptr_t top, base, size; 9334a1c2431SJonathan Adams 9344a1c2431SJonathan Adams while (mdb_whatis_match(w, addr, sizeof (ulwp_t), &cur)) 9354a1c2431SJonathan Adams mdb_whatis_report_object(w, cur, addr, 9364a1c2431SJonathan Adams "allocated as thread %#r's ulwp_t\n", id); 9374a1c2431SJonathan Adams 9384a1c2431SJonathan Adams top = (uintptr_t)ulwp->ul_stktop; 9394a1c2431SJonathan Adams size = ulwp->ul_stksiz; 9404a1c2431SJonathan Adams 9414a1c2431SJonathan Adams /* 9424a1c2431SJonathan Adams * The main stack ends up being a little weird, especially if 9434a1c2431SJonathan Adams * the stack ulimit is unlimited. This tries to take that into 9444a1c2431SJonathan Adams * account. 9454a1c2431SJonathan Adams */ 9464a1c2431SJonathan Adams if (size > top) 9474a1c2431SJonathan Adams size = top; 9484a1c2431SJonathan Adams if (top > MIN_STACK_ADDR && top - size < MIN_STACK_ADDR) 9494a1c2431SJonathan Adams size = top - MIN_STACK_ADDR; 9504a1c2431SJonathan Adams 9514a1c2431SJonathan Adams base = top - size; 9524a1c2431SJonathan Adams 9534a1c2431SJonathan Adams while (mdb_whatis_match(w, base, size, &cur)) 9544a1c2431SJonathan Adams mdb_whatis_report_address(w, cur, "in [ stack tid=%#r ]\n", id); 9554a1c2431SJonathan Adams 9564a1c2431SJonathan Adams if (ulwp->ul_ustack.ss_flags & SS_ONSTACK) { 9574a1c2431SJonathan Adams base = (uintptr_t)ulwp->ul_ustack.ss_sp; 9584a1c2431SJonathan Adams size = ulwp->ul_ustack.ss_size; 9594a1c2431SJonathan Adams 9604a1c2431SJonathan Adams while (mdb_whatis_match(w, base, size, &cur)) 9614a1c2431SJonathan Adams mdb_whatis_report_address(w, cur, 9624a1c2431SJonathan Adams "in [ altstack tid=%#r ]\n", id); 9634a1c2431SJonathan Adams } 9644a1c2431SJonathan Adams 9654a1c2431SJonathan Adams return (WHATIS_WALKRET(w)); 9664a1c2431SJonathan Adams } 9674a1c2431SJonathan Adams 9684a1c2431SJonathan Adams /*ARGSUSED*/ 9694a1c2431SJonathan Adams static int 9704a1c2431SJonathan Adams whatis_run_ulwps(mdb_whatis_t *w, void *arg) 9714a1c2431SJonathan Adams { 9724a1c2431SJonathan Adams if (mdb_walk("ulwps", (mdb_walk_cb_t)whatis_walk_ulwp, w) == -1) { 9734a1c2431SJonathan Adams mdb_warn("couldn't find ulwps walker"); 9744a1c2431SJonathan Adams return (1); 9754a1c2431SJonathan Adams } 9764a1c2431SJonathan Adams return (0); 9774a1c2431SJonathan Adams } 9784a1c2431SJonathan Adams 9797c478bd9Sstevel@tonic-gate /* 9807c478bd9Sstevel@tonic-gate * ======================================================= 9817c478bd9Sstevel@tonic-gate * End of thread (previously libthread) interfaces. 9827c478bd9Sstevel@tonic-gate * ==================== threads ========================== 9837c478bd9Sstevel@tonic-gate */ 9847c478bd9Sstevel@tonic-gate 985*c9a6ea2eSBryan Cantrill int 986*c9a6ea2eSBryan Cantrill stacks_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 987*c9a6ea2eSBryan Cantrill { 988*c9a6ea2eSBryan Cantrill int rval = stacks(addr, flags, argc, argv); 989*c9a6ea2eSBryan Cantrill 990*c9a6ea2eSBryan Cantrill /* 991*c9a6ea2eSBryan Cantrill * For the user-level variant of ::stacks, we don't bother caching 992*c9a6ea2eSBryan Cantrill * state, as even a very large program is unlikely to compare to the 993*c9a6ea2eSBryan Cantrill * kernel in terms of number of threads. (And if you find yourself 994*c9a6ea2eSBryan Cantrill * here in anger, frustrated about how long ::stacks is running on 995*c9a6ea2eSBryan Cantrill * your galactically complicated zillion-thread program, hopefully 996*c9a6ea2eSBryan Cantrill * you will find some solace in the irony. Okay, probably not...) 997*c9a6ea2eSBryan Cantrill */ 998*c9a6ea2eSBryan Cantrill stacks_cleanup(B_TRUE); 999*c9a6ea2eSBryan Cantrill return (rval); 1000*c9a6ea2eSBryan Cantrill } 1001*c9a6ea2eSBryan Cantrill 1002*c9a6ea2eSBryan Cantrill typedef struct tid2ulwp_walk { 1003*c9a6ea2eSBryan Cantrill lwpid_t t2u_tid; 1004*c9a6ea2eSBryan Cantrill uintptr_t t2u_lwp; 1005*c9a6ea2eSBryan Cantrill boolean_t t2u_found; 1006*c9a6ea2eSBryan Cantrill } tid2ulwp_walk_t; 1007*c9a6ea2eSBryan Cantrill 1008*c9a6ea2eSBryan Cantrill /*ARGSUSED*/ 1009*c9a6ea2eSBryan Cantrill static int 1010*c9a6ea2eSBryan Cantrill tid2ulwp_walk(uintptr_t addr, ulwp_t *ulwp, tid2ulwp_walk_t *t2u) 1011*c9a6ea2eSBryan Cantrill { 1012*c9a6ea2eSBryan Cantrill if (ulwp->ul_lwpid == t2u->t2u_tid) { 1013*c9a6ea2eSBryan Cantrill t2u->t2u_lwp = addr; 1014*c9a6ea2eSBryan Cantrill t2u->t2u_found = B_TRUE; 1015*c9a6ea2eSBryan Cantrill return (WALK_DONE); 1016*c9a6ea2eSBryan Cantrill } 1017*c9a6ea2eSBryan Cantrill 1018*c9a6ea2eSBryan Cantrill return (WALK_NEXT); 1019*c9a6ea2eSBryan Cantrill } 1020*c9a6ea2eSBryan Cantrill 1021*c9a6ea2eSBryan Cantrill /*ARGSUSED*/ 1022*c9a6ea2eSBryan Cantrill static int 1023*c9a6ea2eSBryan Cantrill tid2ulwp(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1024*c9a6ea2eSBryan Cantrill { 1025*c9a6ea2eSBryan Cantrill tid2ulwp_walk_t t2u; 1026*c9a6ea2eSBryan Cantrill 1027*c9a6ea2eSBryan Cantrill if (argc != 0) 1028*c9a6ea2eSBryan Cantrill return (DCMD_USAGE); 1029*c9a6ea2eSBryan Cantrill 1030*c9a6ea2eSBryan Cantrill bzero(&t2u, sizeof (t2u)); 1031*c9a6ea2eSBryan Cantrill t2u.t2u_tid = (lwpid_t)addr; 1032*c9a6ea2eSBryan Cantrill 1033*c9a6ea2eSBryan Cantrill if (mdb_walk("ulwp", (mdb_walk_cb_t)tid2ulwp_walk, &t2u) != 0) { 1034*c9a6ea2eSBryan Cantrill mdb_warn("can't walk 'ulwp'"); 1035*c9a6ea2eSBryan Cantrill return (DCMD_ERR); 1036*c9a6ea2eSBryan Cantrill } 1037*c9a6ea2eSBryan Cantrill 1038*c9a6ea2eSBryan Cantrill if (!t2u.t2u_found) { 1039*c9a6ea2eSBryan Cantrill mdb_warn("thread ID %d not found", t2u.t2u_tid); 1040*c9a6ea2eSBryan Cantrill return (DCMD_ERR); 1041*c9a6ea2eSBryan Cantrill } 1042*c9a6ea2eSBryan Cantrill 1043*c9a6ea2eSBryan Cantrill mdb_printf("%p\n", t2u.t2u_lwp); 1044*c9a6ea2eSBryan Cantrill 1045*c9a6ea2eSBryan Cantrill return (DCMD_OK); 1046*c9a6ea2eSBryan Cantrill } 1047*c9a6ea2eSBryan Cantrill 10487c478bd9Sstevel@tonic-gate static const mdb_dcmd_t dcmds[] = { 10497c478bd9Sstevel@tonic-gate { "jmp_buf", ":", "print jmp_buf contents", d_jmp_buf, NULL }, 10507c478bd9Sstevel@tonic-gate { "sigjmp_buf", ":", "print sigjmp_buf contents", d_sigjmp_buf, NULL }, 10517c478bd9Sstevel@tonic-gate { "siginfo", ":", "print siginfo_t structure", d_siginfo, NULL }, 1052*c9a6ea2eSBryan Cantrill { "stacks", "?[-afiv] [-c func] [-C func] [-m module] [-M module] ", 1053*c9a6ea2eSBryan Cantrill "print unique thread stacks", stacks_dcmd, stacks_help }, 1054*c9a6ea2eSBryan Cantrill { "tid2ulwp", "?", "convert TID to ulwp_t address", tid2ulwp }, 10557c478bd9Sstevel@tonic-gate { "ucontext", ":", "print ucontext_t structure", d_ucontext, NULL }, 10567c478bd9Sstevel@tonic-gate { "ulwp", ":", "print ulwp_t structure", d_ulwp, NULL }, 10577c478bd9Sstevel@tonic-gate { "uberdata", ":", "print uberdata_t structure", d_uberdata, NULL }, 10587c478bd9Sstevel@tonic-gate { NULL } 10597c478bd9Sstevel@tonic-gate }; 10607c478bd9Sstevel@tonic-gate 10617c478bd9Sstevel@tonic-gate static const mdb_walker_t walkers[] = { 10627c478bd9Sstevel@tonic-gate { "ucontext", "walk ucontext_t uc_link list", 10637c478bd9Sstevel@tonic-gate NULL, uc_walk_step, NULL, NULL }, 10647c478bd9Sstevel@tonic-gate { "oldcontext", "walk per-lwp oldcontext pointers", 10657c478bd9Sstevel@tonic-gate oldc_walk_init, oldc_walk_step, oldc_walk_fini, NULL }, 10667c478bd9Sstevel@tonic-gate { "ulwps", "walk list of ulwp_t pointers", 10677c478bd9Sstevel@tonic-gate ulwp_walk_init, ulwp_walk_step, NULL, NULL }, 1068*c9a6ea2eSBryan Cantrill { "ulwp", "walk list of ulwp_t pointers", 1069*c9a6ea2eSBryan Cantrill ulwp_walk_init, ulwp_walk_step, NULL, NULL }, 10707c478bd9Sstevel@tonic-gate { NULL } 10717c478bd9Sstevel@tonic-gate }; 10727c478bd9Sstevel@tonic-gate 10737c478bd9Sstevel@tonic-gate static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, walkers }; 10747c478bd9Sstevel@tonic-gate 10757c478bd9Sstevel@tonic-gate const mdb_modinfo_t * 10767c478bd9Sstevel@tonic-gate _mdb_init(void) 10777c478bd9Sstevel@tonic-gate { 10784a1c2431SJonathan Adams mdb_whatis_register("threads", whatis_run_ulwps, NULL, 10794a1c2431SJonathan Adams WHATIS_PRIO_EARLY, WHATIS_REG_NO_ID); 10804a1c2431SJonathan Adams 10817c478bd9Sstevel@tonic-gate return (&modinfo); 10827c478bd9Sstevel@tonic-gate } 1083