proc.c revision fa2c235113f9f310562b09097af5fa466a3158e0
1/* 2 * Copyright (c) 1993, 1994, 1995 Rick Sladkey <jrs@world.std.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * $Id: proc.c,v 1.7 2005/06/01 19:02:36 roland Exp $ 28 */ 29 30#include "defs.h" 31 32#ifdef SVR4 33#ifndef HAVE_MP_PROCFS 34 35static const struct xlat proc_status_flags[] = { 36 { PR_STOPPED, "PR_STOPPED" }, 37 { PR_ISTOP, "PR_ISTOP" }, 38 { PR_DSTOP, "PR_DSTOP" }, 39 { PR_ASLEEP, "PR_ASLEEP" }, 40 { PR_FORK, "PR_FORK" }, 41 { PR_RLC, "PR_RLC" }, 42 { PR_PTRACE, "PR_PTRACE" }, 43 { PR_PCINVAL, "PR_PCINVAL" }, 44 { PR_ISSYS, "PR_ISSYS" }, 45#ifdef PR_STEP 46 { PR_STEP, "PR_STEP" }, 47#endif 48#ifdef PR_KLC 49 { PR_KLC, "PR_KLC" }, 50#endif 51#ifdef PR_ASYNC 52 { PR_ASYNC, "PR_ASYNC" }, 53#endif 54#ifdef PR_PCOMPAT 55 { PR_PCOMPAT, "PR_PCOMPAT" }, 56#endif 57 { 0, NULL }, 58}; 59 60static const struct xlat proc_status_why[] = { 61 { PR_REQUESTED, "PR_REQUESTED" }, 62 { PR_SIGNALLED, "PR_SIGNALLED" }, 63 { PR_SYSENTRY, "PR_SYSENTRY" }, 64 { PR_SYSEXIT, "PR_SYSEXIT" }, 65 { PR_JOBCONTROL,"PR_JOBCONTROL" }, 66 { PR_FAULTED, "PR_FAULTED" }, 67#ifdef PR_SUSPENDED 68 { PR_SUSPENDED, "PR_SUSPENDED" }, 69#endif 70#ifdef PR_CHECKPOINT 71 { PR_CHECKPOINT,"PR_CHECKPOINT" }, 72#endif 73 { 0, NULL }, 74}; 75 76static const struct xlat proc_run_flags[] = { 77 { PRCSIG, "PRCSIG" }, 78 { PRCFAULT, "PRCFAULT" }, 79 { PRSTRACE, "PRSTRACE" }, 80 { PRSHOLD, "PRSHOLD" }, 81 { PRSFAULT, "PRSFAULT" }, 82 { PRSVADDR, "PRSVADDR" }, 83 { PRSTEP, "PRSTEP" }, 84 { PRSABORT, "PRSABORT" }, 85 { PRSTOP, "PRSTOP" }, 86 { 0, NULL }, 87}; 88 89int 90proc_ioctl(tcp, code, arg) 91struct tcb *tcp; 92int code, arg; 93{ 94 int val; 95 prstatus_t status; 96 prrun_t run; 97 98 if (entering(tcp)) 99 return 0; 100 101 switch (code) { 102 case PIOCSTATUS: 103 case PIOCSTOP: 104 case PIOCWSTOP: 105 if (arg == 0) 106 tprintf(", NULL"); 107 else if (syserror(tcp)) 108 tprintf(", %#x", arg); 109 else if (umove(tcp, arg, &status) < 0) 110 tprintf(", {...}"); 111 else { 112 tprintf(", {pr_flags="); 113 printflags(proc_status_flags, status.pr_flags, "PR_???"); 114 if (status.pr_why) { 115 tprintf(", pr_why="); 116 printxval(proc_status_why, status.pr_why, 117 "PR_???"); 118 } 119 switch (status.pr_why) { 120 case PR_SIGNALLED: 121 case PR_JOBCONTROL: 122 tprintf(", pr_what="); 123 printsignal(status.pr_what); 124 break; 125 case PR_FAULTED: 126 tprintf(", pr_what=%d", status.pr_what); 127 break; 128 case PR_SYSENTRY: 129 case PR_SYSEXIT: 130 tprintf(", pr_what=SYS_%s", 131 sysent[status.pr_what].sys_name); 132 break; 133 } 134 tprintf(", ...}"); 135 } 136 return 1; 137 case PIOCRUN: 138 if (arg == 0) 139 tprintf(", NULL"); 140 else if (umove(tcp, arg, &run) < 0) 141 tprintf(", {...}"); 142 else { 143 tprintf(", {pr_flags="); 144 printflags(proc_run_flags, run.pr_flags, "PR???"); 145 tprintf(", ...}"); 146 } 147 return 1; 148#ifdef PIOCSET 149 case PIOCSET: 150 case PIOCRESET: 151 if (umove(tcp, arg, &val) < 0) 152 tprintf(", [?]"); 153 else { 154 tprintf(", ["); 155 printflags(proc_status_flags, val, "PR_???"); 156 tprintf("]"); 157 } 158 return 1; 159#endif /* PIOCSET */ 160 case PIOCKILL: 161 case PIOCUNKILL: 162 /* takes a pointer to a signal */ 163 if (umove(tcp, arg, &val) < 0) 164 tprintf(", [?]"); 165 else { 166 tprintf(", ["); 167 printsignal(val); 168 tprintf("]"); 169 } 170 return 1; 171 case PIOCSFORK: 172 case PIOCRFORK: 173 case PIOCSRLC: 174 case PIOCRRLC: 175 /* doesn't take an arg */ 176 return 1; 177 default: 178 /* ad naseum */ 179 return 0; 180 } 181} 182 183#endif /* HAVE_MP_PROCFS */ 184#endif /* SVR4 */ 185 186#ifdef FREEBSD 187#include <sys/pioctl.h> 188 189static const struct xlat proc_status_why[] = { 190 { S_EXEC, "S_EXEC" }, 191 { S_SIG, "S_SIG" }, 192 { S_SCE, "S_SCE" }, 193 { S_SCX, "S_SCX" }, 194 { S_CORE, "S_CORE" }, 195 { S_EXIT, "S_EXIT" }, 196 { 0, NULL } 197}; 198 199static const struct xlat proc_status_flags[] = { 200 { PF_LINGER, "PF_LINGER" }, 201 { PF_ISUGID, "PF_ISUGID" }, 202 { 0, NULL } 203}; 204 205int 206proc_ioctl(tcp, code, arg) 207struct tcb *tcp; 208int code, arg; 209{ 210 int val; 211 struct procfs_status status; 212 213 if (entering(tcp)) 214 return 0; 215 216 switch (code) { 217 case PIOCSTATUS: 218 case PIOCWAIT: 219 if (arg == 0) 220 tprintf(", NULL"); 221 else if (syserror(tcp)) 222 tprintf(", %x", arg); 223 else if (umove(tcp, arg, &status) < 0) 224 tprintf(", {...}"); 225 else { 226 tprintf(", {state=%d, flags=", status.state); 227 printflags(proc_status_flags, status.flags, "PF_???"); 228 tprintf(", events="); 229 printflags(proc_status_why, status.events, "S_???"); 230 tprintf(", why="); 231 printxval(proc_status_why, status.why, "S_???"); 232 tprintf(", val=%lu}", status.val); 233 } 234 return 1; 235 case PIOCBIS: 236 tprintf(", "); 237 printflags(proc_status_why, arg, "S_???"); 238 return 1; 239 return 1; 240 case PIOCSFL: 241 tprintf(", "); 242 printflags(proc_status_flags, arg, "PF_???"); 243 return 1; 244 case PIOCGFL: 245 if (syserror(tcp)) 246 tprintf(", %#x", arg); 247 else if (umove(tcp, arg, &val) < 0) 248 tprintf(", {...}"); 249 else { 250 tprintf(", ["); 251 printflags(proc_status_flags, val, "PF_???"); 252 tprintf("]"); 253 } 254 return 1; 255 default: 256 /* ad naseum */ 257 return 0; 258 } 259} 260#endif 261