/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" #include #ifndef DEBUG #define DEBUG #define _SYS_DEBUG_H #include #undef DEBUG #else #define _SYS_DEBUG_H #include #endif #include #include #include #include #include #include #include "sfmmu.h" #ifndef SYSTRAP_TT #define SYSTRAP_TT 0x1300 #endif typedef struct trap_trace_fullrec { struct trap_trace_record ttf_rec; int ttf_cpu; } trap_trace_fullrec_t; #ifdef sun4v typedef struct htrap_trace_fullrec { struct htrap_trace_record ttf_rec; int ttf_cpu; } htrap_trace_fullrec_t; #endif /* * These strings and accompanying macros allow our string table to look * just like the real table in trap_table.s. */ static const char NOT[] = "reserved"; /* common reserved string */ static const char BAD[] = "unused"; /* common unused string */ #define NOT4 NOT, NOT, NOT, NOT #define BAD4 BAD, BAD, BAD, BAD static const char *const ttdescr[] = { NOT, /* 000 reserved */ "power-on", /* 001 power on reset */ "watchdog", /* 002 watchdog reset */ "xir", /* 003 externally initiated reset */ "sir", /* 004 software initiated reset */ "red", /* 005 red mode exception */ NOT, NOT, /* 006 - 007 reserved */ "immu-xcp", /* 008 instruction access exception */ "immu-miss", /* 009 instruction access MMU miss */ "immu-err", /* 00A instruction access error */ NOT, NOT4, /* 00B - 00F reserved */ "ill-inst", /* 010 illegal instruction */ "priv-inst", /* 011 privileged opcode */ "unimp-ldd", /* 012 unimplemented LDD */ "unimp-std", /* 013 unimplemented STD */ NOT4, NOT4, NOT4, /* 014 - 01F reserved */ "fp-disable", /* 020 fp disabled */ "fp-ieee754", /* 021 fp exception ieee 754 */ "fp-xcp-other", /* 022 fp exception other */ "tag-oflow", /* 023 tag overflow */ "cleanwin", /* 024 clean window */ "cleanwin", /* 025 clean window */ "cleanwin", /* 026 clean window */ "cleanwin", /* 027 clean window */ "div-zero", /* 028 division by zero */ "internal-err", /* 029 internal processor error */ NOT, NOT, NOT4, /* 02A - 02F reserved */ "dmmu-xcp", /* 030 data access exception */ "dmmu-miss", /* 031 data access MMU miss */ "dmmu-err", /* 032 data access error */ "dmmu-prot", /* 033 data access protection */ "unalign", /* 034 mem address not aligned */ "lddf-unalign", /* 035 LDDF mem address not aligned */ "stdf-unalign", /* 036 STDF mem address not aligned */ "priv-act", /* 037 privileged action */ "ldqf-unalign", /* 038 LDQF mem address not aligned */ "stqf-unalign", /* 039 STQF mem address not aligned */ NOT, NOT, NOT4, /* 03A - 03F reserved */ "async-d-err", /* 040 async data error */ "level-1", /* 041 interrupt level 1 */ "level-2", /* 042 interrupt level 2 */ "level-3", /* 043 interrupt level 3 */ "level-4", /* 044 interrupt level 4 */ "level-5", /* 045 interrupt level 5 */ "level-6", /* 046 interrupt level 6 */ "level-7", /* 047 interrupt level 7 */ "level-8", /* 048 interrupt level 8 */ "level-9", /* 049 interrupt level 9 */ "level-10", /* 04A interrupt level 10 */ "level-11", /* 04B interrupt level 11 */ "level-12", /* 04C interrupt level 12 */ "level-13", /* 04D interrupt level 13 */ "level-14", /* 04E interrupt level 14 */ "level-15", /* 04F interrupt level 15 */ NOT4, NOT4, NOT4, NOT4, /* 050 - 05F reserved */ "int-vec", /* 060 interrupt vector */ "pa-watch", /* 061 PA watchpoint */ "va-watch", /* 062 VA watchpoint */ "ecc-err", /* 063 corrected ECC error */ "itlb-miss", /* 064 instruction access MMU miss */ "itlb-miss", /* 065 instruction access MMU miss */ "itlb-miss", /* 066 instruction access MMU miss */ "itlb-miss", /* 067 instruction access MMU miss */ "dtlb-miss", /* 068 data access MMU miss */ "dtlb-miss", /* 069 data access MMU miss */ "dtlb-miss", /* 06A data access MMU miss */ "dtlb-miss", /* 06B data access MMU miss */ "dtlb-prot", /* 06C data access protection */ "dtlb-prot", /* 06D data access protection */ "dtlb-prot", /* 06E data access protection */ "dtlb-prot", /* 06F data access protection */ "fast-ecc-err", /* 070 fast ecache ECC error */ "dp-err", /* 071 data cache parity error */ "ip-err", /* 072 instr cache parity error */ NOT, NOT4, NOT4, /* 073 - 07B reserved */ #ifdef sun4v "cpu-mondo", /* 07C CPU mondo */ "dev-mondo", /* 07D device mondo */ "res.-err", /* 07E resumable error */ "non-res.-err", /* 07F non-resumable error */ #else NOT4, /* 07C - 07F reserved */ #endif "spill-0-norm", /* 080 spill 0 normal */ "spill-0-norm", /* 081 spill 0 normal */ "spill-0-norm", /* 082 spill 0 normal */ "spill-0-norm", /* 083 spill 0 normal */ "spill-1-norm", /* 084 spill 1 normal */ "spill-1-norm", /* 085 spill 1 normal */ "spill-1-norm", /* 086 spill 1 normal */ "spill-1-norm", /* 087 spill 1 normal */ "spill-2-norm", /* 088 spill 2 normal */ "spill-2-norm", /* 089 spill 2 normal */ "spill-2-norm", /* 08A spill 2 normal */ "spill-2-norm", /* 08B spill 2 normal */ "spill-3-norm", /* 08C spill 3 normal */ "spill-3-norm", /* 08D spill 3 normal */ "spill-3-norm", /* 08E spill 3 normal */ "spill-3-norm", /* 08F spill 3 normal */ "spill-4-norm", /* 090 spill 4 normal */ "spill-4-norm", /* 091 spill 4 normal */ "spill-4-norm", /* 092 spill 4 normal */ "spill-4-norm", /* 093 spill 4 normal */ "spill-5-norm", /* 094 spill 5 normal */ "spill-5-norm", /* 095 spill 5 normal */ "spill-5-norm", /* 096 spill 5 normal */ "spill-5-norm", /* 097 spill 5 normal */ "spill-6-norm", /* 098 spill 6 normal */ "spill-6-norm", /* 099 spill 6 normal */ "spill-6-norm", /* 09A spill 6 normal */ "spill-6-norm", /* 09B spill 6 normal */ "spill-7-norm", /* 09C spill 7 normal */ "spill-7-norm", /* 09D spill 7 normal */ "spill-7-norm", /* 09E spill 7 normal */ "spill-7-norm", /* 09F spill 7 normal */ "spill-0-oth", /* 0A0 spill 0 other */ "spill-0-oth", /* 0A1 spill 0 other */ "spill-0-oth", /* 0A2 spill 0 other */ "spill-0-oth", /* 0A3 spill 0 other */ "spill-1-oth", /* 0A4 spill 1 other */ "spill-1-oth", /* 0A5 spill 1 other */ "spill-1-oth", /* 0A6 spill 1 other */ "spill-1-oth", /* 0A7 spill 1 other */ "spill-2-oth", /* 0A8 spill 2 other */ "spill-2-oth", /* 0A9 spill 2 other */ "spill-2-oth", /* 0AA spill 2 other */ "spill-2-oth", /* 0AB spill 2 other */ "spill-3-oth", /* 0AC spill 3 other */ "spill-3-oth", /* 0AD spill 3 other */ "spill-3-oth", /* 0AE spill 3 other */ "spill-3-oth", /* 0AF spill 3 other */ "spill-4-oth", /* 0B0 spill 4 other */ "spill-4-oth", /* 0B1 spill 4 other */ "spill-4-oth", /* 0B2 spill 4 other */ "spill-4-oth", /* 0B3 spill 4 other */ "spill-5-oth", /* 0B4 spill 5 other */ "spill-5-oth", /* 0B5 spill 5 other */ "spill-5-oth", /* 0B6 spill 5 other */ "spill-5-oth", /* 0B7 spill 5 other */ "spill-6-oth", /* 0B8 spill 6 other */ "spill-6-oth", /* 0B9 spill 6 other */ "spill-6-oth", /* 0BA spill 6 other */ "spill-6-oth", /* 0BB spill 6 other */ "spill-7-oth", /* 0BC spill 7 other */ "spill-7-oth", /* 0BD spill 7 other */ "spill-7-oth", /* 0BE spill 7 other */ "spill-7-oth", /* 0BF spill 7 other */ "fill-0-norm", /* 0C0 fill 0 normal */ "fill-0-norm", /* 0C1 fill 0 normal */ "fill-0-norm", /* 0C2 fill 0 normal */ "fill-0-norm", /* 0C3 fill 0 normal */ "fill-1-norm", /* 0C4 fill 1 normal */ "fill-1-norm", /* 0C5 fill 1 normal */ "fill-1-norm", /* 0C6 fill 1 normal */ "fill-1-norm", /* 0C7 fill 1 normal */ "fill-2-norm", /* 0C8 fill 2 normal */ "fill-2-norm", /* 0C9 fill 2 normal */ "fill-2-norm", /* 0CA fill 2 normal */ "fill-2-norm", /* 0CB fill 2 normal */ "fill-3-norm", /* 0CC fill 3 normal */ "fill-3-norm", /* 0CD fill 3 normal */ "fill-3-norm", /* 0CE fill 3 normal */ "fill-3-norm", /* 0CF fill 3 normal */ "fill-4-norm", /* 0D0 fill 4 normal */ "fill-4-norm", /* 0D1 fill 4 normal */ "fill-4-norm", /* 0D2 fill 4 normal */ "fill-4-norm", /* 0D3 fill 4 normal */ "fill-5-norm", /* 0D4 fill 5 normal */ "fill-5-norm", /* 0D5 fill 5 normal */ "fill-5-norm", /* 0D6 fill 5 normal */ "fill-5-norm", /* 0D7 fill 5 normal */ "fill-6-norm", /* 0D8 fill 6 normal */ "fill-6-norm", /* 0D9 fill 6 normal */ "fill-6-norm", /* 0DA fill 6 normal */ "fill-6-norm", /* 0DB fill 6 normal */ "fill-7-norm", /* 0DC fill 7 normal */ "fill-7-norm", /* 0DD fill 7 normal */ "fill-7-norm", /* 0DE fill 7 normal */ "fill-7-norm", /* 0DF fill 7 normal */ "fill-0-oth", /* 0E0 fill 0 other */ "fill-0-oth", /* 0E1 fill 0 other */ "fill-0-oth", /* 0E2 fill 0 other */ "fill-0-oth", /* 0E3 fill 0 other */ "fill-1-oth", /* 0E4 fill 1 other */ "fill-1-oth", /* 0E5 fill 1 other */ "fill-1-oth", /* 0E6 fill 1 other */ "fill-1-oth", /* 0E7 fill 1 other */ "fill-2-oth", /* 0E8 fill 2 other */ "fill-2-oth", /* 0E9 fill 2 other */ "fill-2-oth", /* 0EA fill 2 other */ "fill-2-oth", /* 0EB fill 2 other */ "fill-3-oth", /* 0EC fill 3 other */ "fill-3-oth", /* 0ED fill 3 other */ "fill-3-oth", /* 0EE fill 3 other */ "fill-3-oth", /* 0EF fill 3 other */ "fill-4-oth", /* 0F0 fill 4 other */ "fill-4-oth", /* 0F1 fill 4 other */ "fill-4-oth", /* 0F2 fill 4 other */ "fill-4-oth", /* 0F3 fill 4 other */ "fill-5-oth", /* 0F4 fill 5 other */ "fill-5-oth", /* 0F5 fill 5 other */ "fill-5-oth", /* 0F6 fill 5 other */ "fill-5-oth", /* 0F7 fill 5 other */ "fill-6-oth", /* 0F8 fill 6 other */ "fill-6-oth", /* 0F9 fill 6 other */ "fill-6-oth", /* 0FA fill 6 other */ "fill-6-oth", /* 0FB fill 6 other */ "fill-7-oth", /* 0FC fill 7 other */ "fill-7-oth", /* 0FD fill 7 other */ "fill-7-oth", /* 0FE fill 7 other */ "fill-7-oth", /* 0FF fill 7 other */ "syscall-4x", /* 100 old system call */ "usr-brkpt", /* 101 user breakpoint */ "usr-div-zero", /* 102 user divide by zero */ "flush-wins", /* 103 flush windows */ "clean-wins", /* 104 clean windows */ "range-chk", /* 105 range check ?? */ "fix-align", /* 106 do unaligned references */ BAD, /* 107 unused */ "syscall-32", /* 108 ILP32 system call on LP64 */ "set-t0-addr", /* 109 set trap0 address */ BAD, BAD, BAD4, /* 10A - 10F unused */ BAD4, BAD4, BAD4, BAD4, /* 110 - 11F unused (V9 user traps?) */ "get-cc", /* 120 get condition codes */ "set-cc", /* 121 set condition codes */ "get-psr", /* 122 get psr */ "set-psr", /* 123 set psr (some fields) */ "getts", /* 124 get timestamp */ "gethrvtime", /* 125 get lwp virtual time */ "self-xcall", /* 126 self xcall */ "gethrtime", /* 127 get hrestime */ BAD, /* 128 unused (ST_SETV9STACK) */ "getlgrp", /* 129 get lgrpid */ BAD, BAD, BAD4, /* 12A - 12F unused */ BAD4, BAD4, /* 130 - 137 unused */ "dtrace-pid", /* 138 DTrace pid provider */ BAD, /* 139 unused */ "dtrace-return", /* 13A DTrace pid provider */ BAD, BAD4, /* 13B - 13F unused */ "syscall-64", /* 140 LP64 system call */ BAD, /* 141 unused */ "tt-freeze", /* 142 freeze traptrace */ "tt-unfreeze", /* 143 unfreeze traptrace */ BAD4, BAD4, BAD4, /* 144 - 14F unused */ BAD4, BAD4, BAD4, BAD4, /* 150 - 15F unused */ BAD4, BAD4, BAD4, BAD4, /* 160 - 16F unused */ BAD4, BAD4, BAD4, /* 170 - 17B unused */ "ptl1-panic", /* 17C test ptl1_panic */ "kmdb-enter", /* 17D kmdb enter (L1-A) */ "kmdb-brkpt", /* 17E kmdb breakpoint */ "obp-brkpt", /* 17F obp breakpoint */ #ifdef sun4v "fast_trap", /* 180 hypervisor fast trap */ "cpu_tick_npt", /* 181 cpu_tick_npt() hcall */ "cpu_stick_npt", /* 182 cpu_stick_npt() hcall */ "mmu_map_addr", /* 183 mmu_map_addr() hcall */ "mmu_unmap_addr", /* 184 mmu_unmap_addr() hcall */ "ttrace_addentry", /* 185 ttrace_addentry() hcall */ NOT, NOT, NOT4, NOT4, /* 186 - 18F reserved */ #else NOT4, NOT4, NOT4, NOT4, /* 180 - 18F reserved */ #endif NOT4, NOT4, NOT4, NOT4, /* 190 - 19F reserved */ NOT4, NOT4, NOT4, NOT4, /* 1A0 - 1AF reserved */ NOT4, NOT4, NOT4, NOT4, /* 1B0 - 1BF reserved */ NOT4, NOT4, NOT4, NOT4, /* 1C0 - 1CF reserved */ NOT4, NOT4, NOT4, NOT4, /* 1D0 - 1DF reserved */ NOT4, NOT4, NOT4, NOT4, /* 1E0 - 1EF reserved */ NOT4, NOT4, NOT4, NOT4 /* 1F0 - 1FF reserved */ }; static const size_t ttndescr = sizeof (ttdescr) / sizeof (ttdescr[0]); static GElf_Sym iv_sym; static GElf_Sym iv_nohandler_sym; /* * Persistent data (shouldn't change). */ static int ncpu; /* _ncpu */ static ssize_t mbox_size; /* size of xc_mbox */ static ulong_t mbox_stoff; /* offset of xc_mbox.xc_state */ static mdb_ctf_id_t mbox_states; /* xc_state enumeration */ static int fetch_ncpu(void) { if (ncpu == 0) if (mdb_readsym(&ncpu, sizeof (ncpu), "_ncpu") == -1) { mdb_warn("symbol '_ncpu' not found"); return (1); } return (0); } static int fetch_mbox(void) { if (mbox_size <= 0) { mdb_ctf_id_t id; if (mdb_ctf_lookup_by_name("struct xc_mbox", &id) == -1) { mdb_warn("couldn't find type 'struct xc_mbox'"); return (1); } /* * These two could be combined into a single call to * mdb_ctf_member_info if xc_state was actually of type * enum xc_states. */ if (mdb_ctf_lookup_by_name("enum xc_states", &mbox_states) == -1) { mdb_warn("couldn't find type 'enum xc_states'"); return (1); } if (mdb_ctf_offsetof(id, "xc_state", &mbox_stoff) == -1) { mdb_warn("couldn't find 'xc_mbox.xc_state'"); return (1); } mbox_stoff /= NBBY; if ((mbox_size = mdb_ctf_type_size(id)) == -1) { mdb_warn("couldn't size 'struct xc_mbox'"); return (1); } } return (0); } static int print_range(int start, int end, int separator) { int count; char tmp; char *format; if (start == end) { /* Unfortunately, mdb_printf returns void */ format = separator ? ", %d" : "%d"; mdb_printf(format, start); count = mdb_snprintf(&tmp, 1, format, start); } else { format = separator ? ", %d-%d" : "%d-%d"; mdb_printf(format, start, end); count = mdb_snprintf(&tmp, 1, format, start, end); } return (count); } static void print_cpuset_range(ulong_t *cs, int words, int width) { int i, j; ulong_t m; int in = 0; int start; int end; int count = 0; int sep = 0; for (i = 0; i < words; i++) for (j = 0, m = 1; j < BT_NBIPUL; j++, m <<= 1) if (cs[i] & m) { if (in == 0) { start = i * BT_NBIPUL + j; in = 1; } } else { if (in == 1) { end = i * BT_NBIPUL + j - 1; count += print_range(start, end, sep); sep = 1; in = 0; } } if (in == 1) { end = i * BT_NBIPUL - 1; count += print_range(start, end, sep); } while (count++ < width) mdb_printf(" "); } /*ARGSUSED*/ static int cmd_cpuset(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { uint_t rflag = 0, lflag = 0; int words; ulong_t *setp, set = 0; if (mdb_getopts(argc, argv, 'l', MDB_OPT_SETBITS, TRUE, &lflag, 'r', MDB_OPT_SETBITS, TRUE, &rflag, NULL) != argc) return (DCMD_USAGE); if (lflag && rflag) return (DCMD_USAGE); if (fetch_ncpu()) return (DCMD_ERR); if ((words = BT_BITOUL(ncpu)) == 1) { setp = &set; mdb_vread(setp, sizeof (ulong_t), addr); } else { setp = mdb_alloc(words * sizeof (ulong_t), UM_SLEEP | UM_GC); mdb_vread(setp, words * sizeof (ulong_t), addr); } if (lflag) { int i, j; ulong_t m; for (i = 0; i < words; i++) for (j = 0, m = 1; j < BT_NBIPUL; j++, m <<= 1) if (setp[i] & m) mdb_printf("%r\n", i * BT_NBIPUL + j); } else if (rflag) { int i; int sep = 0; for (i = 0; i < words; i++) { mdb_printf(sep ? " %?0lx" : "%?0lx", setp[i]); sep = 1; } } else { print_cpuset_range(setp, words, 0); } return (DCMD_OK); } /*ARGSUSED*/ int ttctl(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { TRAP_TRACE_CTL *ctls, *ctl; int i, traptrace_buf_inuse = 0; if (argc != 0) return (DCMD_USAGE); if (fetch_ncpu()) return (DCMD_ERR); ctls = mdb_alloc(sizeof (TRAP_TRACE_CTL) * ncpu, UM_SLEEP | UM_GC); if (mdb_readsym(ctls, sizeof (TRAP_TRACE_CTL) * ncpu, "trap_trace_ctl") == -1) { mdb_warn("symbol 'trap_trace_ctl' not found"); return (DCMD_ERR); } for (ctl = &ctls[0], i = 0; i < ncpu; i++, ctl++) { if (ctl->d.vaddr_base == 0) continue; traptrace_buf_inuse = 1; mdb_printf("trap_trace_ctl[%d] = {\n", i); mdb_printf(" vaddr_base = 0x%lx\n", (long)ctl->d.vaddr_base); mdb_printf(" last_offset = 0x%x\n", ctl->d.last_offset); mdb_printf(" offset = 0x%x\n", ctl->d.offset); mdb_printf(" limit = 0x%x\n", ctl->d.limit); mdb_printf(" paddr_base = 0x%llx\n", ctl->d.paddr_base); mdb_printf(" asi = 0x%02x\n}\n", ctl->d.asi); } if (!traptrace_buf_inuse) { mdb_warn("traptrace not configured"); return (DCMD_ERR); } return (DCMD_OK); } /*ARGSUSED*/ static int ttprint_short(uintptr_t addr, const trap_trace_fullrec_t *full, int *cpu) { const char *ttstr; const struct trap_trace_record *ttp = &full->ttf_rec; if (*cpu == -1) mdb_printf("%3d ", full->ttf_cpu); else if (*cpu != full->ttf_cpu) return (0); /* * Decoding the traptype field is a bit messy. First we check for * several well-defined 16-bit values defined in . */ switch (ttp->tt_tt) { case TT_SC_ENTR: ttstr = "sys-enter"; break; case TT_SC_RET: ttstr = "sys-exit"; break; case TT_SYS_RTT_PROM: ttstr = "prom_rtt"; break; case TT_SYS_RTT_PRIV: ttstr = "priv_rtt"; break; case TT_SYS_RTT_USER: ttstr = "user_rtt"; break; case TT_INTR_EXIT: ttstr = "int-thr-exit"; break; default: /* * Next we consider several prefixes (which are * typically OR'd with other information such as the * %pil or %tt value at the time of the trace). */ switch (ttp->tt_tt & 0xff00) { case TT_SERVE_INTR: ttstr = "serve-intr"; break; case TT_XCALL: ttstr = "xcall"; break; case TT_XCALL_CONT: ttstr = "xcall-cont"; break; case SYSTRAP_TT: ttstr = "sys_trap"; break; default: /* * Otherwise we try to convert the * tt value to a string using our * giant lookup table. */ ttstr = ttp->tt_tt < ttndescr ? ttdescr[ttp->tt_tt] : "?"; } } #ifdef sun4v mdb_printf("%016llx %04hx %-12s %02x %02x %0?p %A\n", ttp->tt_tick, ttp->tt_tt, ttstr, ttp->tt_tl, ttp->tt_gl, ttp->tt_tpc, ttp->tt_tpc); #else mdb_printf("%016llx %04hx %-12s %04hx %0?p %A\n", ttp->tt_tick, ttp->tt_tt, ttstr, ttp->tt_tl, ttp->tt_tpc, ttp->tt_tpc); #endif return (WALK_NEXT); } /*ARGSUSED*/ static int ttprint_long(uintptr_t addr, const trap_trace_fullrec_t *full, int *cpu) { const struct trap_trace_record *ttp = &full->ttf_rec; if (*cpu == -1) mdb_printf("%3d ", full->ttf_cpu); else if (*cpu != full->ttf_cpu) return (WALK_NEXT); #ifdef sun4v mdb_printf("%016llx %016llx %04hx %02x %02x %0?p %0?p %0?p " "[%p,%p,%p,%p]\n", ttp->tt_tick, ttp->tt_tstate, ttp->tt_tt, ttp->tt_tl, ttp->tt_gl, ttp->tt_tpc, ttp->tt_sp, ttp->tt_tr, ttp->tt_f1, ttp->tt_f2, ttp->tt_f3, ttp->tt_f4); #else mdb_printf("%016llx %016llx %04hx %04hx %0?p %0?p %0?p [%p,%p,%p,%p]\n", ttp->tt_tick, ttp->tt_tstate, ttp->tt_tt, ttp->tt_tl, ttp->tt_tpc, ttp->tt_sp, ttp->tt_tr, ttp->tt_f1, ttp->tt_f2, ttp->tt_f3, ttp->tt_f4); #endif return (WALK_NEXT); } typedef struct ttrace_cpu_data { struct trap_trace_record *tc_buf; struct trap_trace_record *tc_rec; struct trap_trace_record *tc_stop; size_t tc_bufsiz; uintptr_t tc_base; } ttrace_cpu_data_t; typedef struct ttrace_walk_data { int tw_ncpu; ttrace_cpu_data_t *tw_cpus; } ttrace_walk_data_t; int ttrace_walk_init(mdb_walk_state_t *wsp) { TRAP_TRACE_CTL *ctls, *ctl; int i, traptrace_buf_inuse = 0; ttrace_walk_data_t *tw; ttrace_cpu_data_t *tc; struct trap_trace_record *buf; if (wsp->walk_addr != NULL) { mdb_warn("ttrace only supports global walks\n"); return (WALK_ERR); } if (fetch_ncpu()) return (WALK_ERR); ctls = mdb_alloc(sizeof (TRAP_TRACE_CTL) * ncpu, UM_SLEEP); if (mdb_readsym(ctls, sizeof (TRAP_TRACE_CTL) * ncpu, "trap_trace_ctl") == -1) { mdb_warn("symbol 'trap_trace_ctl' not found"); mdb_free(ctls, sizeof (TRAP_TRACE_CTL) * ncpu); return (WALK_ERR); } tw = mdb_zalloc(sizeof (ttrace_walk_data_t), UM_SLEEP); tw->tw_ncpu = ncpu; tw->tw_cpus = mdb_zalloc(sizeof (ttrace_cpu_data_t) * ncpu, UM_SLEEP); for (i = 0; i < ncpu; i++) { ctl = &ctls[i]; if (ctl->d.vaddr_base == 0) continue; traptrace_buf_inuse = 1; tc = &(tw->tw_cpus[i]); tc->tc_bufsiz = ctl->d.limit - sizeof (struct trap_trace_record); tc->tc_buf = buf = mdb_alloc(tc->tc_bufsiz, UM_SLEEP); tc->tc_base = (uintptr_t)ctl->d.vaddr_base; if (mdb_vread(buf, tc->tc_bufsiz, tc->tc_base) == -1) { mdb_warn("failed to read trap trace buffer at %p", ctl->d.vaddr_base); mdb_free(buf, tc->tc_bufsiz); tc->tc_buf = NULL; } else { tc->tc_rec = (struct trap_trace_record *) ((uintptr_t)buf + (uintptr_t)ctl->d.last_offset); tc->tc_stop = (struct trap_trace_record *) ((uintptr_t)buf + (uintptr_t)ctl->d.offset); } } if (!traptrace_buf_inuse) { mdb_warn("traptrace not configured"); mdb_free(ctls, sizeof (TRAP_TRACE_CTL) * ncpu); return (DCMD_ERR); } mdb_free(ctls, sizeof (TRAP_TRACE_CTL) * ncpu); wsp->walk_data = tw; return (WALK_NEXT); } int ttrace_walk_step(mdb_walk_state_t *wsp) { ttrace_walk_data_t *tw = wsp->walk_data; ttrace_cpu_data_t *tc; struct trap_trace_record *rec; int oldest, i, status; uint64_t oldest_tick = 0; int done = 1; trap_trace_fullrec_t fullrec; for (i = 0; i < tw->tw_ncpu; i++) { tc = &(tw->tw_cpus[i]); if (tc->tc_rec == NULL) continue; done = 0; if (tc->tc_rec->tt_tick == 0) mdb_warn("Warning: tt_tick == 0\n"); if (tc->tc_rec->tt_tick > oldest_tick) { oldest_tick = tc->tc_rec->tt_tick; oldest = i; } } if (done) return (-1); tc = &(tw->tw_cpus[oldest]); rec = tc->tc_rec; fullrec.ttf_rec = *rec; fullrec.ttf_cpu = oldest; if (oldest_tick != 0) status = wsp->walk_callback((uintptr_t)rec - (uintptr_t)tc->tc_buf + tc->tc_base, &fullrec, wsp->walk_cbdata); tc->tc_rec--; if (tc->tc_rec < tc->tc_buf) tc->tc_rec = (struct trap_trace_record *)((uintptr_t) tc->tc_buf + (uintptr_t)tc->tc_bufsiz - sizeof (struct trap_trace_record)); if (tc->tc_rec == tc->tc_stop) { tc->tc_rec = NULL; mdb_free(tc->tc_buf, tc->tc_bufsiz); } return (status); } void ttrace_walk_fini(mdb_walk_state_t *wsp) { ttrace_walk_data_t *tw = wsp->walk_data; mdb_free(tw->tw_cpus, sizeof (ttrace_cpu_data_t) * tw->tw_ncpu); mdb_free(tw, sizeof (ttrace_walk_data_t)); } int ttrace(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { uint_t opt_x = FALSE; int cpu = -1; mdb_walk_cb_t ttprint; if (mdb_getopts(argc, argv, 'x', MDB_OPT_SETBITS, TRUE, &opt_x, NULL) != argc) return (DCMD_USAGE); if (flags & DCMD_ADDRSPEC) { if (fetch_ncpu()) return (DCMD_ERR); if (addr >= ncpu) { mdb_warn("expected cpu between 0 and %d\n", ncpu - 1); return (DCMD_ERR); } cpu = (int)addr; } if (cpu == -1) mdb_printf("CPU "); if (opt_x) { #ifdef sun4v mdb_printf("%-16s %-16s %-4s %-3s %-3s %-?s %-?s %-?s " "F1-4\n", "%tick", "%tstate", "%tt", "%tl", "%gl", "%tpc", "%sp", "TR"); #else mdb_printf("%-16s %-16s %-4s %-4s %-?s %-?s %-?s " "F1-4\n", "%tick", "%tstate", "%tt", "%tl", "%tpc", "%sp", "TR"); #endif ttprint = (mdb_walk_cb_t)ttprint_long; } else { #ifdef sun4v mdb_printf("%-16s %-4s %-12s %-3s %-3s %s\n", "%tick", "%tt", "", "%tl", "%gl", "%tpc"); #else mdb_printf("%-16s %-4s %-12s %-4s %s\n", "%tick", "%tt", "", "%tl", "%tpc"); #endif ttprint = (mdb_walk_cb_t)ttprint_short; } if (mdb_walk("ttrace", ttprint, &cpu) == -1) { mdb_warn("couldn't walk ttrace"); return (DCMD_ERR); } return (DCMD_OK); } #ifdef sun4v /*ARGSUSED*/ int httctl(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { TRAP_TRACE_CTL *ctls, *ctl; int i, htraptrace_buf_inuse = 0; htrap_trace_hdr_t hdr; if (argc != 0) return (DCMD_USAGE); if (fetch_ncpu()) return (DCMD_ERR); ctls = mdb_alloc(sizeof (TRAP_TRACE_CTL) * ncpu, UM_SLEEP | UM_GC); if (mdb_readsym(ctls, sizeof (TRAP_TRACE_CTL) * ncpu, "trap_trace_ctl") == -1) { mdb_warn("symbol 'trap_trace_ctl' not found"); return (DCMD_ERR); } for (ctl = &ctls[0], i = 0; i < ncpu; i++, ctl++) { if (ctl->d.hvaddr_base == 0) continue; htraptrace_buf_inuse = 1; mdb_vread(&hdr, sizeof (htrap_trace_hdr_t), (uintptr_t)ctl->d.hvaddr_base); mdb_printf("htrap_trace_ctl[%d] = {\n", i); mdb_printf(" vaddr_base = 0x%lx\n", (long)ctl->d.hvaddr_base); mdb_printf(" last_offset = 0x%lx\n", hdr.last_offset); mdb_printf(" offset = 0x%lx\n", hdr.offset); mdb_printf(" limit = 0x%x\n", ctl->d.hlimit); mdb_printf(" paddr_base = 0x%llx\n}\n", ctl->d.hpaddr_base); } if (!htraptrace_buf_inuse) { mdb_warn("hv traptrace not configured"); return (DCMD_ERR); } return (DCMD_OK); } /*ARGSUSED*/ static int httprint_short(uintptr_t addr, const htrap_trace_fullrec_t *full, int *cpu) { const char *ttstr; const struct htrap_trace_record *ttp = &full->ttf_rec; if (*cpu == -1) mdb_printf("%3d ", full->ttf_cpu); else if (*cpu != full->ttf_cpu) return (0); /* * Convert the tt value to a string using our gaint lookuo table */ ttstr = ttp->tt_tt < ttndescr ? ttdescr[ttp->tt_tt] : "?"; mdb_printf("%016llx %02x %04hx %04hx %-16s %02x %02x %0?p %A\n", ttp->tt_tick, ttp->tt_ty, ttp->tt_tag, ttp->tt_tt, ttstr, ttp->tt_tl, ttp->tt_gl, ttp->tt_tpc, ttp->tt_tpc); return (WALK_NEXT); } /*ARGSUSED*/ static int httprint_long(uintptr_t addr, const htrap_trace_fullrec_t *full, int *cpu) { const struct htrap_trace_record *ttp = &full->ttf_rec; if (*cpu == -1) mdb_printf("%3d ", full->ttf_cpu); else if (*cpu != full->ttf_cpu) return (WALK_NEXT); mdb_printf("%016llx %016llx %02x %02x %04hx %04hx %02x %02x %0?p " "[%p,%p,%p,%p]\n", ttp->tt_tick, ttp->tt_tstate, ttp->tt_hpstate, ttp->tt_ty, ttp->tt_tag, ttp->tt_tt, ttp->tt_tl, ttp->tt_gl, ttp->tt_tpc, ttp->tt_f1, ttp->tt_f2, ttp->tt_f3, ttp->tt_f4); return (WALK_NEXT); } typedef struct httrace_cpu_data { struct htrap_trace_record *tc_buf; struct htrap_trace_record *tc_rec; struct htrap_trace_record *tc_stop; size_t tc_bufsiz; uintptr_t tc_base; } httrace_cpu_data_t; typedef struct httrace_walk_data { int tw_ncpu; httrace_cpu_data_t *tw_cpus; } httrace_walk_data_t; int httrace_walk_init(mdb_walk_state_t *wsp) { TRAP_TRACE_CTL *ctls, *ctl; int i, htraptrace_buf_inuse = 0; httrace_walk_data_t *tw; httrace_cpu_data_t *tc; struct htrap_trace_record *buf; htrap_trace_hdr_t *hdr; if (wsp->walk_addr != NULL) { mdb_warn("httrace only supports global walks\n"); return (WALK_ERR); } if (fetch_ncpu()) return (WALK_ERR); ctls = mdb_alloc(sizeof (TRAP_TRACE_CTL) * ncpu, UM_SLEEP); if (mdb_readsym(ctls, sizeof (TRAP_TRACE_CTL) * ncpu, "trap_trace_ctl") == -1) { mdb_warn("symbol 'trap_trace_ctl' not found"); mdb_free(ctls, sizeof (TRAP_TRACE_CTL) * ncpu); return (WALK_ERR); } tw = mdb_zalloc(sizeof (httrace_walk_data_t), UM_SLEEP); tw->tw_ncpu = ncpu; tw->tw_cpus = mdb_zalloc(sizeof (httrace_cpu_data_t) * ncpu, UM_SLEEP); for (i = 0; i < ncpu; i++) { ctl = &ctls[i]; if (ctl->d.hvaddr_base == 0) continue; htraptrace_buf_inuse = 1; tc = &(tw->tw_cpus[i]); tc->tc_bufsiz = ctl->d.hlimit; tc->tc_buf = buf = mdb_alloc(tc->tc_bufsiz, UM_SLEEP); tc->tc_base = (uintptr_t)ctl->d.hvaddr_base; if (mdb_vread(buf, tc->tc_bufsiz, tc->tc_base) == -1) { mdb_warn("failed to read hv trap trace buffer at %p", ctl->d.hvaddr_base); mdb_free(buf, tc->tc_bufsiz); tc->tc_buf = NULL; } else { hdr = (htrap_trace_hdr_t *)buf; tc->tc_rec = (struct htrap_trace_record *) ((uintptr_t)buf + (uintptr_t)hdr->last_offset); tc->tc_stop = (struct htrap_trace_record *) ((uintptr_t)buf + (uintptr_t)hdr->offset); } } if (!htraptrace_buf_inuse) { mdb_warn("hv traptrace not configured"); mdb_free(ctls, sizeof (TRAP_TRACE_CTL) * ncpu); return (DCMD_ERR); } mdb_free(ctls, sizeof (TRAP_TRACE_CTL) * ncpu); wsp->walk_data = tw; return (WALK_NEXT); } int httrace_walk_step(mdb_walk_state_t *wsp) { httrace_walk_data_t *tw = wsp->walk_data; httrace_cpu_data_t *tc; struct htrap_trace_record *rec; int oldest, i, status; uint64_t oldest_tick = 0; int done = 1; htrap_trace_fullrec_t fullrec; for (i = 0; i < tw->tw_ncpu; i++) { tc = &(tw->tw_cpus[i]); if (tc->tc_rec == NULL) continue; done = 0; if (tc->tc_rec->tt_tick == 0) mdb_warn("Warning: tt_tick == 0\n"); if (tc->tc_rec->tt_tick >= oldest_tick) { oldest_tick = tc->tc_rec->tt_tick; oldest = i; } } if (done) return (-1); tc = &(tw->tw_cpus[oldest]); rec = tc->tc_rec; fullrec.ttf_rec = *rec; fullrec.ttf_cpu = oldest; if (oldest_tick != 0) status = wsp->walk_callback((uintptr_t)rec - (uintptr_t)tc->tc_buf + tc->tc_base, &fullrec, wsp->walk_cbdata); tc->tc_rec--; /* first record of the trap trace buffer is trap trace header */ if (tc->tc_rec == tc->tc_buf) tc->tc_rec = (struct htrap_trace_record *)((uintptr_t) tc->tc_buf + (uintptr_t)tc->tc_bufsiz - sizeof (struct htrap_trace_record)); if (tc->tc_rec == tc->tc_stop) { tc->tc_rec = NULL; mdb_free(tc->tc_buf, tc->tc_bufsiz); } return (status); } void httrace_walk_fini(mdb_walk_state_t *wsp) { httrace_walk_data_t *tw = wsp->walk_data; mdb_free(tw->tw_cpus, sizeof (httrace_cpu_data_t) * tw->tw_ncpu); mdb_free(tw, sizeof (httrace_walk_data_t)); } int httrace(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { uint_t opt_x = FALSE; int cpu = -1; mdb_walk_cb_t ttprint; if (mdb_getopts(argc, argv, 'x', MDB_OPT_SETBITS, TRUE, &opt_x, NULL) != argc) return (DCMD_USAGE); if (flags & DCMD_ADDRSPEC) { if (fetch_ncpu()) return (DCMD_ERR); if (addr >= ncpu) { mdb_warn("expected cpu between 0 and %d\n", ncpu - 1); return (DCMD_ERR); } cpu = (int)addr; } if (cpu == -1) mdb_printf("CPU "); if (opt_x) { mdb_printf("%-16s %-16s %-3s %-3s %-4s %-4s %-3s %-3s %-?s " "F1-4\n", "%tick", "%tstate", "%hp", "%ty", "%tag", "%tt", "%tl", "%gl", "%tpc"); ttprint = (mdb_walk_cb_t)httprint_long; } else { mdb_printf("%-16s %-3s %-4s %-4s %-16s %-3s %-3s %s\n", "%tick", "%ty", "%tag", "%tt", "", "%tl", "%gl", "%tpc"); ttprint = (mdb_walk_cb_t)httprint_short; } if (mdb_walk("httrace", ttprint, &cpu) == -1) { mdb_warn("couldn't walk httrace"); return (DCMD_ERR); } return (DCMD_OK); } #endif struct { int xc_type; const char *xc_str; } xc_data[] = { { XT_ONE_SELF, "xt-one-self" }, { XT_ONE_OTHER, "xt-one-other" }, { XT_SOME_SELF, "xt-some-self" }, { XT_SOME_OTHER, "xt-some-other" }, { XT_ALL_SELF, "xt-all-self" }, { XT_ALL_OTHER, "xt-all-other" }, { XC_ONE_SELF, "xc-one-self" }, { XC_ONE_OTHER, "xc-one-other" }, { XC_ONE_OTHER_H, "xc-one-other-h" }, { XC_SOME_SELF, "xc-some-self" }, { XC_SOME_OTHER, "xc-some-other" }, { XC_SOME_OTHER_H, "xc-some-other-h" }, { XC_ALL_SELF, "xc-all-self" }, { XC_ALL_OTHER, "xc-all-other" }, { XC_ALL_OTHER_H, "xc-all-other-h" }, { XC_ATTENTION, "xc-attention" }, { XC_DISMISSED, "xc-dismissed" }, { XC_LOOP_ENTER, "xc-loop-enter" }, { XC_LOOP_DOIT, "xc-loop-doit" }, { XC_LOOP_EXIT, "xc-loop-exit" }, { 0, NULL } }; /*ARGSUSED*/ int xctrace_walk(uintptr_t addr, const trap_trace_fullrec_t *full, int *cpu) { const struct trap_trace_record *ttp = &full->ttf_rec; int i, type = ttp->tt_tt & 0xff; const char *str = "???"; if ((ttp->tt_tt & 0xff00) == TT_XCALL) { for (i = 0; xc_data[i].xc_str != NULL; i++) { if (xc_data[i].xc_type == type) { str = xc_data[i].xc_str; break; } } } else if ((ttp->tt_tt & 0xff00) == TT_XCALL_CONT) { str = "xcall-cont"; mdb_printf("%3d %016llx %-16s %08x %08x %08x %08x\n", full->ttf_cpu, ttp->tt_tick, str, ttp->tt_f1, ttp->tt_f2, ttp->tt_f3, ttp->tt_f4); return (WALK_NEXT); } else if (ttp->tt_tt == 0x60) { str = "int-vec"; } else { return (WALK_NEXT); } mdb_printf("%3d %016llx %-16s %08x %a\n", full->ttf_cpu, ttp->tt_tick, str, ttp->tt_sp, ttp->tt_tr); return (WALK_NEXT); } /*ARGSUSED*/ int xctrace(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { if ((flags & DCMD_ADDRSPEC) || argc != 0) return (DCMD_USAGE); if (mdb_walk("ttrace", (mdb_walk_cb_t)xctrace_walk, NULL) == -1) { mdb_warn("couldn't walk ttrace"); return (DCMD_ERR); } return (DCMD_OK); } /* * Grrr... xc_mbox isn't in an _impl header file; we define it here. */ typedef struct xc_mbox { xcfunc_t *xc_func; uint64_t xc_arg1; uint64_t xc_arg2; cpuset_t xc_cpuset; volatile uint_t xc_state; } xc_mbox_t; typedef struct xc_mbox_walk { int xw_ndx; uintptr_t xw_addr; xc_mbox_t *xw_mbox; } xc_mbox_walk_t; static int xc_mbox_walk_init(mdb_walk_state_t *wsp) { GElf_Sym sym; xc_mbox_walk_t *xw; if (mdb_lookup_by_name("xc_mbox", &sym) == -1) { mdb_warn("couldn't find 'xc_mbox'"); return (WALK_ERR); } if (fetch_ncpu() || fetch_mbox()) return (WALK_ERR); xw = mdb_zalloc(sizeof (xc_mbox_walk_t), UM_SLEEP); xw->xw_mbox = mdb_zalloc(mbox_size * ncpu, UM_SLEEP); if (mdb_readsym(xw->xw_mbox, mbox_size * ncpu, "xc_mbox") == -1) { mdb_warn("couldn't read 'xc_mbox'"); mdb_free(xw->xw_mbox, mbox_size * ncpu); mdb_free(xw, sizeof (xc_mbox_walk_t)); return (WALK_ERR); } xw->xw_addr = sym.st_value; wsp->walk_data = xw; return (WALK_NEXT); } static int xc_mbox_walk_step(mdb_walk_state_t *wsp) { xc_mbox_walk_t *xw = wsp->walk_data; int status; if (xw->xw_ndx == ncpu) return (WALK_DONE); status = wsp->walk_callback(xw->xw_addr, &xw->xw_mbox[xw->xw_ndx++], wsp->walk_cbdata); xw->xw_addr += mbox_size; return (status); } static void xc_mbox_walk_fini(mdb_walk_state_t *wsp) { xc_mbox_walk_t *xw = wsp->walk_data; mdb_free(xw->xw_mbox, mbox_size * ncpu); mdb_free(xw, sizeof (xc_mbox_walk_t)); } static int xc_mbox(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { xc_mbox_t *mbox; GElf_Sym sym; const char *state; if (argc != 0) return (DCMD_USAGE); if (!(flags & DCMD_ADDRSPEC)) { if (mdb_walk_dcmd("xc_mbox", "xc_mbox", argc, argv) == -1) { mdb_warn("can't walk 'xc_mbox'"); return (DCMD_ERR); } return (DCMD_OK); } if (fetch_ncpu() || fetch_mbox()) return (DCMD_ERR); if (DCMD_HDRSPEC(flags)) { mdb_printf("%3s %-8s %-8s %-9s %-16s %-16s %s\n", "CPU", "ADDR", "STATE", "CPUSET", "ARG1", "ARG2", "HNDLR"); } mbox = mdb_alloc(mbox_size, UM_SLEEP | UM_GC); if (mdb_vread(mbox, mbox_size, addr) == -1) { mdb_warn("couldn't read xc_mbox at %p", addr); return (DCMD_ERR); } if (mbox->xc_func == NULL) return (DCMD_OK); if (mdb_lookup_by_name("xc_mbox", &sym) == -1) { mdb_warn("couldn't read 'xc_mbox'"); return (DCMD_ERR); } state = mdb_ctf_enum_name(mbox_states, /* LINTED - alignment */ *(int *)((char *)mbox + mbox_stoff)); mdb_printf("%3d %08x %-8s [ ", (int)((addr - sym.st_value) / mbox_size), addr, state ? state : "XC_???"); print_cpuset_range((ulong_t *)&mbox->xc_cpuset, BT_BITOUL(ncpu), 5); mdb_printf(" ] %-16a %-16a %a\n", mbox->xc_arg1, mbox->xc_arg2, mbox->xc_func); return (DCMD_OK); } typedef struct softint_walk_data { struct intr_vector *sw_table; uintptr_t sw_base; size_t sw_ndx; size_t sw_size; } softint_walk_data_t; int softint_walk_init(mdb_walk_state_t *wsp) { softint_walk_data_t *sw; if (wsp->walk_addr != NULL) { mdb_warn("softint walk only supports global walks\n"); return (WALK_ERR); } /* * If this fails, we'll just end up printing all the entries. */ if (mdb_lookup_by_name("nohandler", &iv_nohandler_sym) == -1) mdb_warn("couldn't find iv nohandler"); sw = mdb_zalloc(sizeof (softint_walk_data_t), UM_SLEEP); sw->sw_size = iv_sym.st_size; sw->sw_base = (uintptr_t)iv_sym.st_value; sw->sw_table = mdb_zalloc(sw->sw_size, UM_SLEEP); if (mdb_vread(sw->sw_table, sw->sw_size, sw->sw_base) == -1) { mdb_warn("couldn't read intr_vector table"); mdb_free(sw->sw_table, sw->sw_size); mdb_free(sw, sizeof (softint_walk_data_t)); return (WALK_ERR); } wsp->walk_data = sw; return (WALK_NEXT); } int softint_walk_step(mdb_walk_state_t *wsp) { softint_walk_data_t *sw = (softint_walk_data_t *)wsp->walk_data; size_t max = sw->sw_size / sizeof (struct intr_vector); while (sw->sw_ndx < max) { struct intr_vector *iv = &(sw->sw_table[sw->sw_ndx++]); if (iv->iv_handler == (intrfunc)iv_nohandler_sym.st_value) continue; return (wsp->walk_callback((uintptr_t)iv - (uintptr_t)sw->sw_table + sw->sw_base, iv, wsp->walk_cbdata)); } return (WALK_DONE); } void softint_walk_fini(mdb_walk_state_t *wsp) { softint_walk_data_t *sw = wsp->walk_data; mdb_free(sw->sw_table, sw->sw_size); mdb_free(sw, sizeof (softint_walk_data_t)); } int softint_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { int inum; struct intr_vector iv; if (!(flags & DCMD_ADDRSPEC)) { if (mdb_walk_dcmd("softint", "softint", argc, argv) == -1) { mdb_warn("can't walk softint"); return (DCMD_ERR); } return (DCMD_OK); } inum = (int)((addr - (uintptr_t)iv_sym.st_value) / sizeof (struct intr_vector)); if (DCMD_HDRSPEC(flags)) { mdb_printf("%4s %?s %4s %4s %?s %s\n", "INUM", "ADDR", "PEND", "PIL", "ARG", "HANDLER"); } if (mdb_vread(&iv, sizeof (iv), addr) == -1) { mdb_warn("couldn't read intr_vector at %p", addr); return (DCMD_ERR); } mdb_printf("%4d %0?p %4d %4d %?p %?p %a\n", inum, addr, iv.iv_pending, iv.iv_pil, iv.iv_arg, iv.iv_softint_arg2, iv.iv_handler); return (DCMD_OK); } static int whatis_walk_tt(uintptr_t taddr, const trap_trace_fullrec_t *ttf, uintptr_t *ap) { uintptr_t addr = *ap; if (addr < taddr || addr > taddr + sizeof (struct trap_trace_record)) return (WALK_NEXT); mdb_printf("%p is %p+%p, trap trace record for cpu %d\n", addr, taddr, addr - taddr, ttf->ttf_cpu); mdb_set_dot(1); return (WALK_DONE); } /*ARGSUSED*/ int whatis(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) { GElf_Sym sym; if (!(flags & DCMD_ADDRSPEC)) return (DCMD_USAGE); if (mdb_lookup_by_name("trap_trace_ctl", &sym) == -1) return (DCMD_NEXT); mdb_set_dot(0); if (mdb_walk("ttrace", (mdb_walk_cb_t)whatis_walk_tt, &addr) == -1) mdb_warn("failed to walk 'ttrace'"); return (DCMD_NEXT); } /*ARGSUSED*/ int mutex_owner_init(mdb_walk_state_t *wsp) { return (WALK_NEXT); } int mutex_owner_step(mdb_walk_state_t *wsp) { uintptr_t addr = wsp->walk_addr; mutex_impl_t mtx; uintptr_t owner; kthread_t thr; if (mdb_vread(&mtx, sizeof (mtx), addr) == -1) return (WALK_ERR); if (!MUTEX_TYPE_ADAPTIVE(&mtx)) return (WALK_DONE); if ((owner = (uintptr_t)MUTEX_OWNER(&mtx)) == NULL) return (WALK_DONE); if (mdb_vread(&thr, sizeof (thr), owner) != -1) (void) wsp->walk_callback(owner, &thr, wsp->walk_cbdata); return (WALK_DONE); } static const mdb_dcmd_t dcmds[] = { { "cpuset", ":[-l|-r]", "dump a cpuset_t", cmd_cpuset }, { "ttctl", NULL, "dump trap trace ctl records", ttctl }, { "ttrace", "[-x]", "dump trap trace buffer for a cpu", ttrace }, #ifdef sun4v { "httctl", NULL, "dump hv trap trace ctl records", httctl }, { "httrace", "[-x]", "dump hv trap trace buffer for a cpu", httrace }, #endif { "xc_mbox", "?", "dump xcall mboxes", xc_mbox }, { "xctrace", NULL, "dump xcall trace buffer", xctrace }, { "softint", NULL, "dumps interrupt vector table", softint_dcmd }, { "whatis", ":[-abv]", "given an address, return information", whatis }, { "sfmmu_vtop", ":[[-v] -a as]", "print virtual to physical mapping", sfmmu_vtop }, { "page_num2pp", ":", "page frame number to page structure", page_num2pp }, { "memseg_list", ":", "show memseg list", memseg_list }, { "tsbinfo", ":[-l [-a]]", "show tsbinfo", tsbinfo_list, tsbinfo_help }, { NULL } }; static const mdb_walker_t walkers[] = { { "mutex_owner", "walks the owner of a mutex", mutex_owner_init, mutex_owner_step }, { "ttrace", "walks the trap trace buffer for a CPU", ttrace_walk_init, ttrace_walk_step, ttrace_walk_fini }, #ifdef sun4v { "httrace", "walks the hv trap trace buffer for a CPU", httrace_walk_init, httrace_walk_step, httrace_walk_fini }, #endif { "xc_mbox", "walks the cross call mail boxes", xc_mbox_walk_init, xc_mbox_walk_step, xc_mbox_walk_fini }, { "softint", "walks the interrupt vector table", softint_walk_init, softint_walk_step, softint_walk_fini }, { "memseg", "walk the memseg structures", memseg_walk_init, memseg_walk_step, memseg_walk_fini }, { NULL } }; static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, walkers }; const mdb_modinfo_t * _mdb_init(void) { if (mdb_lookup_by_name("intr_vector", &iv_sym) == -1) { mdb_warn("couldn't find intr_vector"); return (NULL); } return (&modinfo); }