1 /*- 2 * Copyright (c) 1982, 1986, 1989, 1991, 1993 3 * The Regents of the University of California. 4 * Copyright (c) 2007 Robert N. M. Watson 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 4. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)user.h 8.2 (Berkeley) 9/23/93 32 * $FreeBSD$ 33 */ 34 35 #ifndef _SYS_USER_H_ 36 #define _SYS_USER_H_ 37 38 #include <machine/pcb.h> 39 #ifndef _KERNEL 40 /* stuff that *used* to be included by user.h, or is now needed */ 41 #include <sys/errno.h> 42 #include <sys/time.h> 43 #include <sys/resource.h> 44 #include <sys/ucred.h> 45 #include <sys/uio.h> 46 #include <sys/queue.h> 47 #include <sys/_lock.h> 48 #include <sys/_mutex.h> 49 #include <sys/proc.h> 50 #include <vm/vm.h> /* XXX */ 51 #include <vm/vm_param.h> /* XXX */ 52 #include <vm/pmap.h> /* XXX */ 53 #include <vm/vm_map.h> /* XXX */ 54 #endif /* !_KERNEL */ 55 #ifndef _SYS_RESOURCEVAR_H_ 56 #include <sys/resourcevar.h> 57 #endif 58 #ifndef _SYS_SIGNALVAR_H_ 59 #include <sys/signalvar.h> 60 #endif 61 #ifndef _SYS_SOCKET_VAR_H_ 62 #include <sys/socket.h> 63 #endif 64 65 /* 66 * KERN_PROC subtype ops return arrays of selected proc structure entries: 67 * 68 * This struct includes several arrays of spare space, with different arrays 69 * for different standard C-types. When adding new variables to this struct, 70 * the space for byte-aligned data should be taken from the ki_sparestring, 71 * pointers from ki_spareptrs, word-aligned data from ki_spareints, and 72 * doubleword-aligned data from ki_sparelongs. Make sure the space for new 73 * variables come from the array which matches the size and alignment of 74 * those variables on ALL hardware platforms, and then adjust the appropriate 75 * KI_NSPARE_* value(s) to match. 76 * 77 * Always verify that sizeof(struct kinfo_proc) == KINFO_PROC_SIZE on all 78 * platforms after you have added new variables. Note that if you change 79 * the value of KINFO_PROC_SIZE, then many userland programs will stop 80 * working until they are recompiled! 81 * 82 * Once you have added the new field, you will need to add code to initialize 83 * it in two places: function fill_kinfo_proc in sys/kern/kern_proc.c and 84 * function kvm_proclist in lib/libkvm/kvm_proc.c . 85 */ 86 #define KI_NSPARE_INT 9 87 #define KI_NSPARE_LONG 12 88 #define KI_NSPARE_PTR 7 89 90 #ifdef __amd64__ 91 #define KINFO_PROC_SIZE 1088 92 #endif 93 #ifdef __arm__ 94 #define KINFO_PROC_SIZE 792 95 #endif 96 #ifdef __ia64__ 97 #define KINFO_PROC_SIZE 1088 98 #endif 99 #ifdef __i386__ 100 #define KINFO_PROC_SIZE 768 101 #endif 102 #ifdef __mips__ 103 #define KINFO_PROC_SIZE 816 104 #endif 105 #ifdef __powerpc__ 106 #define KINFO_PROC_SIZE 768 107 #endif 108 #ifdef __sparc64__ 109 #define KINFO_PROC_SIZE 1088 110 #endif 111 #ifndef KINFO_PROC_SIZE 112 #error "Unknown architecture" 113 #endif 114 115 #define WMESGLEN 8 /* size of returned wchan message */ 116 #define LOCKNAMELEN 8 /* size of returned lock name */ 117 #define OCOMMLEN 16 /* size of returned thread name */ 118 #define COMMLEN 19 /* size of returned ki_comm name */ 119 #define KI_EMULNAMELEN 16 /* size of returned ki_emul */ 120 #define KI_NGROUPS 16 /* number of groups in ki_groups */ 121 #define LOGNAMELEN 17 /* size of returned ki_login */ 122 123 /* 124 * Steal a bit from ki_cr_flags (cr_flags is never used) to indicate 125 * that the cred had more than KI_NGROUPS groups. 126 */ 127 #define KI_CRF_GRP_OVERFLOW 0x80000000 128 129 struct kinfo_proc { 130 int ki_structsize; /* size of this structure */ 131 int ki_layout; /* reserved: layout identifier */ 132 struct pargs *ki_args; /* address of command arguments */ 133 struct proc *ki_paddr; /* address of proc */ 134 struct user *ki_addr; /* kernel virtual addr of u-area */ 135 struct vnode *ki_tracep; /* pointer to trace file */ 136 struct vnode *ki_textvp; /* pointer to executable file */ 137 struct filedesc *ki_fd; /* pointer to open file info */ 138 struct vmspace *ki_vmspace; /* pointer to kernel vmspace struct */ 139 void *ki_wchan; /* sleep address */ 140 pid_t ki_pid; /* Process identifier */ 141 pid_t ki_ppid; /* parent process id */ 142 pid_t ki_pgid; /* process group id */ 143 pid_t ki_tpgid; /* tty process group id */ 144 pid_t ki_sid; /* Process session ID */ 145 pid_t ki_tsid; /* Terminal session ID */ 146 short ki_jobc; /* job control counter */ 147 short ki_spare_short1; /* unused (just here for alignment) */ 148 dev_t ki_tdev; /* controlling tty dev */ 149 sigset_t ki_siglist; /* Signals arrived but not delivered */ 150 sigset_t ki_sigmask; /* Current signal mask */ 151 sigset_t ki_sigignore; /* Signals being ignored */ 152 sigset_t ki_sigcatch; /* Signals being caught by user */ 153 uid_t ki_uid; /* effective user id */ 154 uid_t ki_ruid; /* Real user id */ 155 uid_t ki_svuid; /* Saved effective user id */ 156 gid_t ki_rgid; /* Real group id */ 157 gid_t ki_svgid; /* Saved effective group id */ 158 short ki_ngroups; /* number of groups */ 159 short ki_spare_short2; /* unused (just here for alignment) */ 160 gid_t ki_groups[KI_NGROUPS]; /* groups */ 161 vm_size_t ki_size; /* virtual size */ 162 segsz_t ki_rssize; /* current resident set size in pages */ 163 segsz_t ki_swrss; /* resident set size before last swap */ 164 segsz_t ki_tsize; /* text size (pages) XXX */ 165 segsz_t ki_dsize; /* data size (pages) XXX */ 166 segsz_t ki_ssize; /* stack size (pages) */ 167 u_short ki_xstat; /* Exit status for wait & stop signal */ 168 u_short ki_acflag; /* Accounting flags */ 169 fixpt_t ki_pctcpu; /* %cpu for process during ki_swtime */ 170 u_int ki_estcpu; /* Time averaged value of ki_cpticks */ 171 u_int ki_slptime; /* Time since last blocked */ 172 u_int ki_swtime; /* Time swapped in or out */ 173 int ki_spareint1; /* unused (just here for alignment) */ 174 u_int64_t ki_runtime; /* Real time in microsec */ 175 struct timeval ki_start; /* starting time */ 176 struct timeval ki_childtime; /* time used by process children */ 177 long ki_flag; /* P_* flags */ 178 long ki_kiflag; /* KI_* flags (below) */ 179 int ki_traceflag; /* Kernel trace points */ 180 char ki_stat; /* S* process status */ 181 signed char ki_nice; /* Process "nice" value */ 182 char ki_lock; /* Process lock (prevent swap) count */ 183 char ki_rqindex; /* Run queue index */ 184 u_char ki_oncpu; /* Which cpu we are on */ 185 u_char ki_lastcpu; /* Last cpu we were on */ 186 char ki_ocomm[OCOMMLEN+1]; /* thread name */ 187 char ki_wmesg[WMESGLEN+1]; /* wchan message */ 188 char ki_login[LOGNAMELEN+1]; /* setlogin name */ 189 char ki_lockname[LOCKNAMELEN+1]; /* lock name */ 190 char ki_comm[COMMLEN+1]; /* command name */ 191 char ki_emul[KI_EMULNAMELEN+1]; /* emulation name */ 192 /* 193 * When adding new variables, take space for char-strings from the 194 * front of ki_sparestrings, and ints from the end of ki_spareints. 195 * That way the spare room from both arrays will remain contiguous. 196 */ 197 char ki_sparestrings[68]; /* spare string space */ 198 int ki_spareints[KI_NSPARE_INT]; /* spare room for growth */ 199 u_int ki_cr_flags; /* Credential flags */ 200 int ki_jid; /* Process jail ID */ 201 int ki_numthreads; /* XXXKSE number of threads in total */ 202 lwpid_t ki_tid; /* XXXKSE thread id */ 203 struct priority ki_pri; /* process priority */ 204 struct rusage ki_rusage; /* process rusage statistics */ 205 /* XXX - most fields in ki_rusage_ch are not (yet) filled in */ 206 struct rusage ki_rusage_ch; /* rusage of children processes */ 207 struct pcb *ki_pcb; /* kernel virtual addr of pcb */ 208 void *ki_kstack; /* kernel virtual addr of stack */ 209 void *ki_udata; /* User convenience pointer */ 210 /* 211 * When adding new variables, take space for pointers from the 212 * front of ki_spareptrs, and longs from the end of ki_sparelongs. 213 * That way the spare room from both arrays will remain contiguous. 214 */ 215 void *ki_spareptrs[KI_NSPARE_PTR]; /* spare room for growth */ 216 long ki_sparelongs[KI_NSPARE_LONG]; /* spare room for growth */ 217 long ki_sflag; /* PS_* flags */ 218 long ki_tdflags; /* XXXKSE kthread flag */ 219 }; 220 void fill_kinfo_proc(struct proc *, struct kinfo_proc *); 221 /* XXX - the following two defines are temporary */ 222 #define ki_childstime ki_rusage_ch.ru_stime 223 #define ki_childutime ki_rusage_ch.ru_utime 224 225 /* 226 * Legacy PS_ flag. This moved to p_flag but is maintained for 227 * compatibility. 228 */ 229 #define PS_INMEM 0x00001 /* Loaded into memory. */ 230 231 /* ki_sessflag values */ 232 #define KI_CTTY 0x00000001 /* controlling tty vnode active */ 233 #define KI_SLEADER 0x00000002 /* session leader */ 234 #define KI_LOCKBLOCK 0x00000004 /* proc blocked on lock ki_lockname */ 235 236 /* 237 * This used to be the per-process structure containing data that 238 * isn't needed in core when the process is swapped out, but now it 239 * remains only for the benefit of a.out core dumps. 240 */ 241 struct user { 242 struct pstats u_stats; /* *p_stats */ 243 struct kinfo_proc u_kproc; /* eproc */ 244 }; 245 246 /* 247 * The KERN_PROC_FILE sysctl allows a process to dump the file descriptor 248 * array of another process. 249 */ 250 #define KF_TYPE_NONE 0 251 #define KF_TYPE_VNODE 1 252 #define KF_TYPE_SOCKET 2 253 #define KF_TYPE_PIPE 3 254 #define KF_TYPE_FIFO 4 255 #define KF_TYPE_KQUEUE 5 256 #define KF_TYPE_CRYPTO 6 257 #define KF_TYPE_MQUEUE 7 258 #define KF_TYPE_SHM 8 259 #define KF_TYPE_SEM 9 260 #define KF_TYPE_PTS 10 261 #define KF_TYPE_UNKNOWN 255 262 263 #define KF_VTYPE_VNON 0 264 #define KF_VTYPE_VREG 1 265 #define KF_VTYPE_VDIR 2 266 #define KF_VTYPE_VBLK 3 267 #define KF_VTYPE_VCHR 4 268 #define KF_VTYPE_VLNK 5 269 #define KF_VTYPE_VSOCK 6 270 #define KF_VTYPE_VFIFO 7 271 #define KF_VTYPE_VBAD 8 272 #define KF_VTYPE_UNKNOWN 255 273 274 #define KF_FD_TYPE_CWD -1 /* Current working directory */ 275 #define KF_FD_TYPE_ROOT -2 /* Root directory */ 276 #define KF_FD_TYPE_JAIL -3 /* Jail directory */ 277 278 #define KF_FLAG_READ 0x00000001 279 #define KF_FLAG_WRITE 0x00000002 280 #define KF_FLAG_APPEND 0x00000004 281 #define KF_FLAG_ASYNC 0x00000008 282 #define KF_FLAG_FSYNC 0x00000010 283 #define KF_FLAG_NONBLOCK 0x00000020 284 #define KF_FLAG_DIRECT 0x00000040 285 #define KF_FLAG_HASLOCK 0x00000080 286 287 /* 288 * Old format. Has variable hidden padding due to alignment. 289 * This is a compatability hack for pre-build 7.1 packages. 290 */ 291 #if defined(__amd64__) 292 #define KINFO_OFILE_SIZE 1328 293 #endif 294 #if defined(__i386__) 295 #define KINFO_OFILE_SIZE 1324 296 #endif 297 298 struct kinfo_ofile { 299 int kf_structsize; /* Size of kinfo_file. */ 300 int kf_type; /* Descriptor type. */ 301 int kf_fd; /* Array index. */ 302 int kf_ref_count; /* Reference count. */ 303 int kf_flags; /* Flags. */ 304 /* XXX Hidden alignment padding here on amd64 */ 305 off_t kf_offset; /* Seek location. */ 306 int kf_vnode_type; /* Vnode type. */ 307 int kf_sock_domain; /* Socket domain. */ 308 int kf_sock_type; /* Socket type. */ 309 int kf_sock_protocol; /* Socket protocol. */ 310 char kf_path[PATH_MAX]; /* Path to file, if any. */ 311 struct sockaddr_storage kf_sa_local; /* Socket address. */ 312 struct sockaddr_storage kf_sa_peer; /* Peer address. */ 313 }; 314 315 #if defined(__amd64__) || defined(__i386__) 316 #define KINFO_FILE_SIZE 1392 317 #endif 318 319 struct kinfo_file { 320 int kf_structsize; /* Variable size of record. */ 321 int kf_type; /* Descriptor type. */ 322 int kf_fd; /* Array index. */ 323 int kf_ref_count; /* Reference count. */ 324 int kf_flags; /* Flags. */ 325 int _kf_pad0; /* Round to 64 bit alignment */ 326 int64_t kf_offset; /* Seek location. */ 327 int kf_vnode_type; /* Vnode type. */ 328 int kf_sock_domain; /* Socket domain. */ 329 int kf_sock_type; /* Socket type. */ 330 int kf_sock_protocol; /* Socket protocol. */ 331 struct sockaddr_storage kf_sa_local; /* Socket address. */ 332 struct sockaddr_storage kf_sa_peer; /* Peer address. */ 333 int _kf_ispare[16]; /* Space for more stuff. */ 334 /* Truncated before copyout in sysctl */ 335 char kf_path[PATH_MAX]; /* Path to file, if any. */ 336 }; 337 338 /* 339 * The KERN_PROC_VMMAP sysctl allows a process to dump the VM layout of 340 * another process as a series of entries. 341 */ 342 #define KVME_TYPE_NONE 0 343 #define KVME_TYPE_DEFAULT 1 344 #define KVME_TYPE_VNODE 2 345 #define KVME_TYPE_SWAP 3 346 #define KVME_TYPE_DEVICE 4 347 #define KVME_TYPE_PHYS 5 348 #define KVME_TYPE_DEAD 6 349 #define KVME_TYPE_SG 7 350 #define KVME_TYPE_UNKNOWN 255 351 352 #define KVME_PROT_READ 0x00000001 353 #define KVME_PROT_WRITE 0x00000002 354 #define KVME_PROT_EXEC 0x00000004 355 356 #define KVME_FLAG_COW 0x00000001 357 #define KVME_FLAG_NEEDS_COPY 0x00000002 358 359 #if defined(__amd64__) 360 #define KINFO_OVMENTRY_SIZE 1168 361 #endif 362 #if defined(__i386__) 363 #define KINFO_OVMENTRY_SIZE 1128 364 #endif 365 366 struct kinfo_ovmentry { 367 int kve_structsize; /* Size of kinfo_vmmapentry. */ 368 int kve_type; /* Type of map entry. */ 369 void *kve_start; /* Starting address. */ 370 void *kve_end; /* Finishing address. */ 371 int kve_flags; /* Flags on map entry. */ 372 int kve_resident; /* Number of resident pages. */ 373 int kve_private_resident; /* Number of private pages. */ 374 int kve_protection; /* Protection bitmask. */ 375 int kve_ref_count; /* VM obj ref count. */ 376 int kve_shadow_count; /* VM obj shadow count. */ 377 char kve_path[PATH_MAX]; /* Path to VM obj, if any. */ 378 void *_kve_pspare[8]; /* Space for more stuff. */ 379 off_t kve_offset; /* Mapping offset in object */ 380 uint64_t kve_fileid; /* inode number if vnode */ 381 dev_t kve_fsid; /* dev_t of vnode location */ 382 int _kve_ispare[3]; /* Space for more stuff. */ 383 }; 384 385 #if defined(__amd64__) || defined(__i386__) 386 #define KINFO_VMENTRY_SIZE 1160 387 #endif 388 389 struct kinfo_vmentry { 390 int kve_structsize; /* Variable size of record. */ 391 int kve_type; /* Type of map entry. */ 392 uint64_t kve_start; /* Starting address. */ 393 uint64_t kve_end; /* Finishing address. */ 394 uint64_t kve_offset; /* Mapping offset in object */ 395 uint64_t kve_fileid; /* inode number if vnode */ 396 uint32_t kve_fsid; /* dev_t of vnode location */ 397 int kve_flags; /* Flags on map entry. */ 398 int kve_resident; /* Number of resident pages. */ 399 int kve_private_resident; /* Number of private pages. */ 400 int kve_protection; /* Protection bitmask. */ 401 int kve_ref_count; /* VM obj ref count. */ 402 int kve_shadow_count; /* VM obj shadow count. */ 403 int _kve_pad0; /* 64bit align next field */ 404 int _kve_ispare[16]; /* Space for more stuff. */ 405 /* Truncated before copyout in sysctl */ 406 char kve_path[PATH_MAX]; /* Path to VM obj, if any. */ 407 }; 408 409 /* 410 * The KERN_PROC_KSTACK sysctl allows a process to dump the kernel stacks of 411 * another process as a series of entries. Each stack is represented by a 412 * series of symbol names and offsets as generated by stack_sbuf_print(9). 413 */ 414 #define KKST_MAXLEN 1024 415 416 #define KKST_STATE_STACKOK 0 /* Stack is valid. */ 417 #define KKST_STATE_SWAPPED 1 /* Stack swapped out. */ 418 #define KKST_STATE_RUNNING 2 /* Stack ephemeral. */ 419 420 #if defined(__amd64__) || defined(__i386__) 421 #define KINFO_KSTACK_SIZE 1096 422 #endif 423 424 struct kinfo_kstack { 425 lwpid_t kkst_tid; /* ID of thread. */ 426 int kkst_state; /* Validity of stack. */ 427 char kkst_trace[KKST_MAXLEN]; /* String representing stack. */ 428 int _kkst_ispare[16]; /* Space for more stuff. */ 429 }; 430 431 #endif 432