1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <mdb/mdb_modapi.h> 30 #include <sys/types.h> 31 #include <sys/contract_impl.h> 32 33 int 34 ct_walk_init(mdb_walk_state_t *wsp) 35 { 36 if (wsp->walk_addr != NULL) { 37 wsp->walk_addr = wsp->walk_addr + 38 OFFSETOF(ct_type_t, ct_type_avl); 39 } else { 40 GElf_Sym sym; 41 if (mdb_lookup_by_name("contract_avl", &sym)) { 42 mdb_warn("failed to read contract_avl"); 43 return (WALK_ERR); 44 } 45 wsp->walk_addr = sym.st_value; 46 } 47 48 if (mdb_layered_walk("avl", wsp) == -1) 49 return (WALK_ERR); 50 51 return (WALK_NEXT); 52 } 53 54 int 55 ct_event_walk_init(mdb_walk_state_t *wsp) 56 { 57 if (wsp->walk_addr == NULL) { 58 mdb_warn("ct_event walker requires ct_equeue address\n"); 59 return (WALK_ERR); 60 } 61 62 wsp->walk_addr = wsp->walk_addr + 63 OFFSETOF(ct_equeue_t, ctq_events); 64 65 if (mdb_layered_walk("list", wsp) == -1) 66 return (WALK_ERR); 67 68 return (WALK_NEXT); 69 } 70 71 int 72 ct_listener_walk_init(mdb_walk_state_t *wsp) 73 { 74 if (wsp->walk_addr == NULL) { 75 mdb_warn("ct_listener walker requires ct_equeue address\n"); 76 return (WALK_ERR); 77 } 78 79 wsp->walk_addr = wsp->walk_addr + 80 OFFSETOF(ct_equeue_t, ctq_listeners); 81 82 if (mdb_layered_walk("list", wsp) == -1) 83 return (WALK_ERR); 84 85 return (WALK_NEXT); 86 } 87 88 89 /* ARGSUSED */ 90 int 91 cmd_contract(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 92 { 93 contract_t ct; 94 ct_type_t ctt; 95 char str[32]; 96 97 if (!(flags & DCMD_ADDRSPEC)) { 98 if (mdb_walk_dcmd("contract", "contract", argc, argv) == -1) { 99 mdb_warn("can't walk 'contract'"); 100 return (DCMD_ERR); 101 } 102 return (DCMD_OK); 103 } 104 105 if (DCMD_HDRSPEC(flags)) 106 mdb_printf("%<u>%?s %8s %8s %8s %?s %?s%</u>\n", 107 "ADDR", "ID", "TYPE", "STATE", "OWNER", "REGENT"); 108 109 if (mdb_vread(&ct, sizeof (ct), addr) != sizeof (ct)) { 110 mdb_warn("error reading contract_t at %p", addr); 111 return (DCMD_ERR); 112 } 113 if (mdb_vread(&ctt, sizeof (ctt), (uintptr_t)ct.ct_type) != 114 sizeof (ctt)) { 115 mdb_warn("error reading ct_type_t at %p", ct.ct_type); 116 return (DCMD_ERR); 117 } 118 if (mdb_readstr(str, sizeof (str), (uintptr_t)ctt.ct_type_name) == -1) { 119 mdb_warn("error reading contract type name at %p", 120 ctt.ct_type_name); 121 return (DCMD_ERR); 122 } 123 124 mdb_printf("%0?p %8d %8s %8s %?p %?p\n", addr, ct.ct_id, str, 125 (ct.ct_state == CTS_OWNED) ? "owned" : 126 (ct.ct_state == CTS_INHERITED) ? "inherit" : 127 (ct.ct_state == CTS_ORPHAN) ? "orphan" : "dead", 128 ct.ct_owner, ct.ct_regent); 129 130 return (DCMD_OK); 131 } 132 133 const mdb_bitmask_t ct_event_flags[] = { 134 { "ACK", CTE_ACK, CTE_ACK }, 135 { "INFO", CTE_INFO, CTE_INFO }, 136 { "NEG", CTE_NEG, CTE_NEG }, 137 { NULL } 138 }; 139 140 141 /* ARGSUSED */ 142 int 143 cmd_ctevent(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 144 { 145 ct_kevent_t cte; 146 147 if (!(flags & DCMD_ADDRSPEC)) 148 return (DCMD_USAGE); 149 150 if (DCMD_HDRSPEC(flags)) 151 mdb_printf("%<u>%12s %8s %12s %6s %12s %12s %s%</u>\n", 152 "ADDR", "ID", "CONTRACT", "TYPE", "DATA", "GDATA", "FLAGS"); 153 154 if (mdb_vread(&cte, sizeof (cte), addr) != sizeof (cte)) { 155 mdb_warn("error reading ct_kevent_t at %p", addr); 156 return (DCMD_ERR); 157 } 158 159 mdb_printf("%12p %8llu %12p %6d %12p %12p %b\n", addr, cte.cte_id, 160 cte.cte_contract, cte.cte_type, cte.cte_data, cte.cte_gdata, 161 cte.cte_flags, ct_event_flags); 162 163 return (DCMD_OK); 164 } 165 166 typedef struct findct_data { 167 uintptr_t fc_ctid; 168 uintptr_t fc_addr; 169 boolean_t fc_found; 170 } findct_data_t; 171 172 static int 173 findct(uintptr_t addr, contract_t *ct, findct_data_t *arg) 174 { 175 if (ct->ct_id == arg->fc_ctid) { 176 arg->fc_found = B_TRUE; 177 arg->fc_addr = addr; 178 return (WALK_DONE); 179 } 180 181 return (WALK_NEXT); 182 } 183 184 /* ARGSUSED */ 185 int 186 cmd_ctid(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 187 { 188 findct_data_t fcdata; 189 190 if (!(flags & DCMD_ADDRSPEC)) 191 return (DCMD_USAGE); 192 193 fcdata.fc_ctid = addr; 194 fcdata.fc_found = B_FALSE; 195 if (mdb_walk("contract", (mdb_walk_cb_t)findct, &fcdata) == -1 || 196 !fcdata.fc_found) 197 return (DCMD_ERR); 198 199 mdb_printf("%lr", fcdata.fc_addr); 200 201 return (DCMD_OK); 202 } 203