1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1982, 1986, 1989, 1991, 1993 5 * The Regents of the University of California. 6 * Copyright (c) 2007 Robert N. M. Watson 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef _SYS_USER_H_ 35 #define _SYS_USER_H_ 36 37 #include <machine/pcb.h> 38 #ifndef _KERNEL 39 /* stuff that *used* to be included by user.h, or is now needed */ 40 #include <sys/errno.h> 41 #include <sys/event.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 #include <sys/caprights.h> 65 66 /* 67 * KERN_PROC subtype ops return arrays of selected proc structure entries: 68 * 69 * This struct includes several arrays of spare space, with different arrays 70 * for different standard C-types. When adding new variables to this struct, 71 * the space for byte-aligned data should be taken from the ki_sparestring, 72 * pointers from ki_spareptrs, word-aligned data from ki_spareints, and 73 * doubleword-aligned data from ki_sparelongs. Make sure the space for new 74 * variables come from the array which matches the size and alignment of 75 * those variables on ALL hardware platforms, and then adjust the appropriate 76 * KI_NSPARE_* value(s) to match. 77 * 78 * Always verify that sizeof(struct kinfo_proc) == KINFO_PROC_SIZE on all 79 * platforms after you have added new variables. Note that if you change 80 * the value of KINFO_PROC_SIZE, then many userland programs will stop 81 * working until they are recompiled! 82 * 83 * Once you have added the new field, you will need to add code to initialize 84 * it in two places: function fill_kinfo_proc in sys/kern/kern_proc.c and 85 * function kvm_proclist in lib/libkvm/kvm_proc.c . 86 */ 87 #define KI_NSPARE_INT 2 88 #define KI_NSPARE_LONG 12 89 #define KI_NSPARE_PTR 4 90 91 #ifndef _KERNEL 92 #ifndef KINFO_PROC_SIZE 93 #error "Unknown architecture" 94 #endif 95 #endif /* !_KERNEL */ 96 97 #define WMESGLEN 8 /* size of returned wchan message */ 98 #define LOCKNAMELEN 8 /* size of returned lock name */ 99 #define TDNAMLEN 16 /* size of returned thread name */ 100 #define COMMLEN 19 /* size of returned ki_comm name */ 101 #define KI_EMULNAMELEN 16 /* size of returned ki_emul */ 102 #define KI_NGROUPS 16 /* number of groups in ki_groups */ 103 #define LOGNAMELEN 17 /* size of returned ki_login */ 104 #define LOGINCLASSLEN 17 /* size of returned ki_loginclass */ 105 106 #ifndef BURN_BRIDGES 107 #define OCOMMLEN TDNAMLEN 108 #define ki_ocomm ki_tdname 109 #endif 110 111 /* Flags for the process credential. */ 112 #define KI_CRF_CAPABILITY_MODE 0x00000001 113 /* 114 * Steal a bit from ki_cr_flags to indicate that the cred had more than 115 * KI_NGROUPS groups. 116 */ 117 #define KI_CRF_GRP_OVERFLOW 0x80000000 118 119 struct kinfo_proc { 120 int ki_structsize; /* size of this structure */ 121 int ki_layout; /* reserved: layout identifier */ 122 struct pargs *ki_args; /* address of command arguments */ 123 struct proc *ki_paddr; /* address of proc */ 124 struct user *ki_addr; /* kernel virtual addr of u-area */ 125 struct vnode *ki_tracep; /* pointer to trace file */ 126 struct vnode *ki_textvp; /* pointer to executable file */ 127 struct filedesc *ki_fd; /* pointer to open file info */ 128 struct vmspace *ki_vmspace; /* pointer to kernel vmspace struct */ 129 const void *ki_wchan; /* sleep address */ 130 pid_t ki_pid; /* Process identifier */ 131 pid_t ki_ppid; /* parent process id */ 132 pid_t ki_pgid; /* process group id */ 133 pid_t ki_tpgid; /* tty process group id */ 134 pid_t ki_sid; /* Process session ID */ 135 pid_t ki_tsid; /* Terminal session ID */ 136 short ki_jobc; /* job control counter */ 137 short ki_spare_short1; /* unused (just here for alignment) */ 138 uint32_t ki_tdev_freebsd11; /* controlling tty dev */ 139 sigset_t ki_siglist; /* Signals arrived but not delivered */ 140 sigset_t ki_sigmask; /* Current signal mask */ 141 sigset_t ki_sigignore; /* Signals being ignored */ 142 sigset_t ki_sigcatch; /* Signals being caught by user */ 143 uid_t ki_uid; /* effective user id */ 144 uid_t ki_ruid; /* Real user id */ 145 uid_t ki_svuid; /* Saved effective user id */ 146 gid_t ki_rgid; /* Real group id */ 147 gid_t ki_svgid; /* Saved effective group id */ 148 short ki_ngroups; /* number of groups */ 149 short ki_spare_short2; /* unused (just here for alignment) */ 150 gid_t ki_groups[KI_NGROUPS]; /* groups */ 151 vm_size_t ki_size; /* virtual size */ 152 segsz_t ki_rssize; /* current resident set size in pages */ 153 segsz_t ki_swrss; /* resident set size before last swap */ 154 segsz_t ki_tsize; /* text size (pages) XXX */ 155 segsz_t ki_dsize; /* data size (pages) XXX */ 156 segsz_t ki_ssize; /* stack size (pages) */ 157 u_short ki_xstat; /* Exit status for wait & stop signal */ 158 u_short ki_acflag; /* Accounting flags */ 159 fixpt_t ki_pctcpu; /* %cpu for process during ki_swtime */ 160 u_int ki_estcpu; /* Time averaged value of ki_cpticks */ 161 u_int ki_slptime; /* Time since last blocked */ 162 u_int ki_swtime; /* Time swapped in or out */ 163 u_int ki_cow; /* number of copy-on-write faults */ 164 u_int64_t ki_runtime; /* Real time in microsec */ 165 struct timeval ki_start; /* starting time */ 166 struct timeval ki_childtime; /* time used by process children */ 167 long ki_flag; /* P_* flags */ 168 long ki_kiflag; /* KI_* flags (below) */ 169 int ki_traceflag; /* Kernel trace points */ 170 char ki_stat; /* S* process status */ 171 signed char ki_nice; /* Process "nice" value */ 172 char ki_lock; /* Process lock (prevent swap) count */ 173 char ki_rqindex; /* Run queue index */ 174 u_char ki_oncpu_old; /* Which cpu we are on (legacy) */ 175 u_char ki_lastcpu_old; /* Last cpu we were on (legacy) */ 176 char ki_tdname[TDNAMLEN+1]; /* thread name */ 177 char ki_wmesg[WMESGLEN+1]; /* wchan message */ 178 char ki_login[LOGNAMELEN+1]; /* setlogin name */ 179 char ki_lockname[LOCKNAMELEN+1]; /* lock name */ 180 char ki_comm[COMMLEN+1]; /* command name */ 181 char ki_emul[KI_EMULNAMELEN+1]; /* emulation name */ 182 char ki_loginclass[LOGINCLASSLEN+1]; /* login class */ 183 char ki_moretdname[MAXCOMLEN-TDNAMLEN+1]; /* more thread name */ 184 /* 185 * When adding new variables, take space for char-strings from the 186 * front of ki_sparestrings, and ints from the end of ki_spareints. 187 * That way the spare room from both arrays will remain contiguous. 188 */ 189 char ki_sparestrings[38]; /* spare string space */ 190 int ki_spareints[KI_NSPARE_INT]; /* spare room for growth */ 191 pid_t ki_reaper; /* pid of reaper process */ 192 pid_t ki_reapsubtree; /* reaper subtree id */ 193 uint64_t ki_tdev; /* controlling tty dev */ 194 int ki_oncpu; /* Which cpu we are on */ 195 int ki_lastcpu; /* Last cpu we were on */ 196 int ki_tracer; /* Pid of tracing process */ 197 int ki_flag2; /* P2_* flags */ 198 int ki_fibnum; /* Default FIB number */ 199 u_int ki_cr_flags; /* Credential flags */ 200 int ki_jid; /* Process jail ID */ 201 int ki_numthreads; /* number of threads in total */ 202 lwpid_t ki_tid; /* 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 struct thread *ki_tdaddr; /* address of thread */ 211 /* 212 * When adding new variables, take space for pointers from the 213 * front of ki_spareptrs, and longs from the end of ki_sparelongs. 214 * That way the spare room from both arrays will remain contiguous. 215 */ 216 struct pwddesc *ki_pd; /* pointer to process paths info */ 217 void *ki_uerrmsg; /* address of the ext err msg place */ 218 void *ki_spareptrs[KI_NSPARE_PTR]; /* spare room for growth */ 219 long ki_sparelongs[KI_NSPARE_LONG]; /* spare room for growth */ 220 long ki_sflag; /* PS_* flags */ 221 long ki_tdflags; /* kthread flag */ 222 }; 223 void fill_kinfo_proc(struct proc *, struct kinfo_proc *); 224 /* XXX - the following two defines are temporary */ 225 #define ki_childstime ki_rusage_ch.ru_stime 226 #define ki_childutime ki_rusage_ch.ru_utime 227 228 /* 229 * Legacy PS_ flag. This moved to p_flag but is maintained for 230 * compatibility. 231 */ 232 #define PS_INMEM 0x00001 /* Loaded into memory, always true. */ 233 234 /* ki_sessflag values */ 235 #define KI_CTTY 0x00000001 /* controlling tty vnode active */ 236 #define KI_SLEADER 0x00000002 /* session leader */ 237 #define KI_LOCKBLOCK 0x00000004 /* proc blocked on lock ki_lockname */ 238 239 /* 240 * This used to be the per-process structure containing data that 241 * isn't needed in core when the process is swapped out, but now it 242 * remains only for the benefit of a.out core dumps. 243 */ 244 struct user { 245 struct pstats u_stats; /* *p_stats */ 246 struct kinfo_proc u_kproc; /* eproc */ 247 }; 248 249 /* 250 * The KERN_PROC_FILE sysctl allows a process to dump the file descriptor 251 * array of another process. 252 */ 253 #define KF_ATTR_VALID 0x0001 254 255 #define KF_TYPE_NONE 0 256 #define KF_TYPE_VNODE 1 257 #define KF_TYPE_SOCKET 2 258 #define KF_TYPE_PIPE 3 259 #define KF_TYPE_FIFO 4 260 #define KF_TYPE_KQUEUE 5 261 /* was KF_TYPE_CRYPTO 6 */ 262 #define KF_TYPE_MQUEUE 7 263 #define KF_TYPE_SHM 8 264 #define KF_TYPE_SEM 9 265 #define KF_TYPE_PTS 10 266 #define KF_TYPE_PROCDESC 11 267 #define KF_TYPE_DEV 12 268 #define KF_TYPE_EVENTFD 13 269 #define KF_TYPE_TIMERFD 14 270 #define KF_TYPE_INOTIFY 15 271 #define KF_TYPE_JAILDESC 16 272 #define KF_TYPE_NTSYNC 17 273 #define KF_TYPE_UNKNOWN 255 274 275 #define KF_VTYPE_VNON 0 276 #define KF_VTYPE_VREG 1 277 #define KF_VTYPE_VDIR 2 278 #define KF_VTYPE_VBLK 3 279 #define KF_VTYPE_VCHR 4 280 #define KF_VTYPE_VLNK 5 281 #define KF_VTYPE_VSOCK 6 282 #define KF_VTYPE_VFIFO 7 283 #define KF_VTYPE_VBAD 8 284 #define KF_VTYPE_UNKNOWN 255 285 286 #define KF_FD_TYPE_CWD -1 /* Current working directory */ 287 #define KF_FD_TYPE_ROOT -2 /* Root directory */ 288 #define KF_FD_TYPE_JAIL -3 /* Jail directory */ 289 #define KF_FD_TYPE_TRACE -4 /* Ktrace vnode */ 290 #define KF_FD_TYPE_TEXT -5 /* Text vnode */ 291 #define KF_FD_TYPE_CTTY -6 /* Controlling terminal */ 292 293 #define KF_NTSYNC_TYPE_DEV 1 /* Not reported, reserved */ 294 #define KF_NTSYNC_TYPE_SEM 2 295 #define KF_NTSYNC_TYPE_MUTEX 3 296 #define KF_NTSYNC_TYPE_EVENT 4 297 298 #define KF_FLAG_READ 0x00000001 299 #define KF_FLAG_WRITE 0x00000002 300 #define KF_FLAG_APPEND 0x00000004 301 #define KF_FLAG_ASYNC 0x00000008 302 #define KF_FLAG_FSYNC 0x00000010 303 #define KF_FLAG_NONBLOCK 0x00000020 304 #define KF_FLAG_DIRECT 0x00000040 305 #define KF_FLAG_HASLOCK 0x00000080 306 #define KF_FLAG_SHLOCK 0x00000100 307 #define KF_FLAG_EXLOCK 0x00000200 308 #define KF_FLAG_NOFOLLOW 0x00000400 309 #define KF_FLAG_CREAT 0x00000800 310 #define KF_FLAG_TRUNC 0x00001000 311 #define KF_FLAG_EXCL 0x00002000 312 #define KF_FLAG_EXEC 0x00004000 313 314 /* 315 * Old format. Has variable hidden padding due to alignment. 316 * This is a compatibility hack for pre-build 7.1 packages. 317 */ 318 #if defined(__amd64__) 319 #define KINFO_OFILE_SIZE 1328 320 #endif 321 #if defined(__i386__) 322 #define KINFO_OFILE_SIZE 1324 323 #endif 324 325 struct kinfo_ofile { 326 int kf_structsize; /* Size of kinfo_file. */ 327 int kf_type; /* Descriptor type. */ 328 int kf_fd; /* Array index. */ 329 int kf_ref_count; /* Reference count. */ 330 int kf_flags; /* Flags. */ 331 /* XXX Hidden alignment padding here on amd64 */ 332 off_t kf_offset; /* Seek location. */ 333 int kf_vnode_type; /* Vnode type. */ 334 int kf_sock_domain; /* Socket domain. */ 335 int kf_sock_type; /* Socket type. */ 336 int kf_sock_protocol; /* Socket protocol. */ 337 char kf_path[PATH_MAX]; /* Path to file, if any. */ 338 struct sockaddr_storage kf_sa_local; /* Socket address. */ 339 struct sockaddr_storage kf_sa_peer; /* Peer address. */ 340 }; 341 342 #if defined(__amd64__) || defined(__i386__) 343 /* 344 * This size should never be changed. If you really need to, you must provide 345 * backward ABI compatibility by allocating a new sysctl MIB that will return 346 * the new structure. The current structure has to be returned by the current 347 * sysctl MIB. See how it is done for the kinfo_ofile structure. 348 */ 349 #define KINFO_FILE_SIZE 1392 350 #endif 351 352 struct kinfo_file { 353 int kf_structsize; /* Variable size of record. */ 354 int kf_type; /* Descriptor type. */ 355 int kf_fd; /* Array index. */ 356 int kf_ref_count; /* Reference count. */ 357 int kf_flags; /* Flags. */ 358 int kf_pad0; /* Round to 64 bit alignment. */ 359 int64_t kf_offset; /* Seek location. */ 360 union { 361 struct { 362 /* API compatibility with FreeBSD < 12. */ 363 int kf_vnode_type; 364 int kf_sock_domain; 365 int kf_sock_type; 366 int kf_sock_protocol; 367 struct sockaddr_storage kf_sa_local; 368 struct sockaddr_storage kf_sa_peer; 369 }; 370 union { 371 struct { 372 /* Sendq size */ 373 uint32_t kf_sock_sendq; 374 /* Socket domain. */ 375 int kf_sock_domain0; 376 /* Socket type. */ 377 int kf_sock_type0; 378 /* Socket protocol. */ 379 int kf_sock_protocol0; 380 /* Socket address. */ 381 struct sockaddr_storage kf_sa_local; 382 /* Peer address. */ 383 struct sockaddr_storage kf_sa_peer; 384 /* Address of so_pcb. */ 385 uint64_t kf_sock_pcb; 386 /* Obsolete! May be reused as a spare. */ 387 uint64_t kf_sock_inpcb; 388 /* Address of unp_conn. */ 389 uint64_t kf_sock_unpconn; 390 /* Send buffer state. */ 391 uint16_t kf_sock_snd_sb_state; 392 /* Receive buffer state. */ 393 uint16_t kf_sock_rcv_sb_state; 394 /* Recvq size. */ 395 uint32_t kf_sock_recvq; 396 } kf_sock; 397 struct { 398 /* Vnode type. */ 399 int kf_file_type; 400 /* Space for future use */ 401 int kf_spareint[3]; 402 uint64_t kf_spareint64[29]; 403 /* Number of references to file. */ 404 uint64_t kf_file_nlink; 405 /* Vnode filesystem id. */ 406 uint64_t kf_file_fsid; 407 /* File device. */ 408 uint64_t kf_file_rdev; 409 /* Global file id. */ 410 uint64_t kf_file_fileid; 411 /* File size. */ 412 uint64_t kf_file_size; 413 /* Vnode filesystem id, FreeBSD 11 compat. */ 414 uint32_t kf_file_fsid_freebsd11; 415 /* File device, FreeBSD 11 compat. */ 416 uint32_t kf_file_rdev_freebsd11; 417 /* File mode. */ 418 uint16_t kf_file_mode; 419 /* Round to 64 bit alignment. */ 420 uint16_t kf_file_pad0; 421 uint32_t kf_file_pad1; 422 } kf_file; 423 struct { 424 uint32_t kf_spareint[4]; 425 uint64_t kf_spareint64[32]; 426 uint32_t kf_sem_value; 427 uint16_t kf_sem_mode; 428 } kf_sem; 429 struct { 430 uint32_t kf_spareint[4]; 431 uint64_t kf_spareint64[32]; 432 uint64_t kf_pipe_addr; 433 uint64_t kf_pipe_peer; 434 uint32_t kf_pipe_buffer_cnt; 435 uint32_t kf_pipe_buffer_in; 436 uint32_t kf_pipe_buffer_out; 437 uint32_t kf_pipe_buffer_size; 438 } kf_pipe; 439 struct { 440 uint32_t kf_spareint[4]; 441 uint64_t kf_spareint64[32]; 442 uint32_t kf_pts_dev_freebsd11; 443 uint32_t kf_pts_pad0; 444 uint64_t kf_pts_dev; 445 /* Round to 64 bit alignment. */ 446 uint32_t kf_pts_pad1[4]; 447 } kf_pts; 448 struct { 449 uint32_t kf_spareint[4]; 450 uint64_t kf_spareint64[32]; 451 pid_t kf_pid; 452 } kf_proc; 453 struct { 454 uint64_t kf_eventfd_value; 455 uint32_t kf_eventfd_flags; 456 uint32_t kf_eventfd_spareint[3]; 457 uint64_t kf_eventfd_addr; 458 } kf_eventfd; 459 struct { 460 uint32_t kf_timerfd_clockid; 461 uint32_t kf_timerfd_flags; 462 uint64_t kf_timerfd_addr; 463 } kf_timerfd; 464 struct { 465 int32_t kf_jid; 466 } kf_jail; 467 struct { 468 uint64_t kf_kqueue_addr; 469 int32_t kf_kqueue_count; 470 int32_t kf_kqueue_state; 471 } kf_kqueue; 472 struct { 473 uint64_t kf_inotify_npending; 474 uint64_t kf_inotify_nbpending; 475 } kf_inotify; 476 struct { 477 uint32_t kf_ntsync_type; 478 uint64_t kf_ntsync_dev; 479 union { 480 struct { 481 uint32_t count; 482 uint32_t max; 483 } kf_ntsync_sem; 484 struct{ 485 uint32_t owner; 486 uint32_t count; 487 } kf_ntsync_mutex; 488 struct { 489 uint32_t signaled; 490 uint32_t manual; 491 } kf_ntsync_event; 492 } kf_ntsync_un; 493 } kf_ntsync; 494 } kf_un; 495 }; 496 uint16_t kf_status; /* Status flags. */ 497 uint16_t kf_pad1; /* Round to 32 bit alignment. */ 498 int _kf_ispare0; /* Space for more stuff. */ 499 cap_rights_t kf_cap_rights; /* Capability rights. */ 500 uint64_t _kf_cap_spare; /* Space for future cap_rights_t. */ 501 /* Truncated before copyout in sysctl */ 502 char kf_path[PATH_MAX]; /* Path to file, if any. */ 503 }; 504 505 struct kinfo_lockf { 506 int kl_structsize; /* Variable size of record. */ 507 int kl_rw; 508 int kl_type; 509 int kl_pid; 510 int kl_sysid; 511 int kl_pad0; 512 uint64_t kl_file_fsid; 513 uint64_t kl_file_rdev; 514 uint64_t kl_file_fileid; 515 off_t kl_start; 516 off_t kl_len; /* len == 0 till the EOF */ 517 char kl_path[PATH_MAX]; 518 }; 519 520 #define KLOCKF_RW_READ 0x01 521 #define KLOCKF_RW_WRITE 0x02 522 523 #define KLOCKF_TYPE_FLOCK 0x01 524 #define KLOCKF_TYPE_PID 0x02 525 #define KLOCKF_TYPE_REMOTE 0x03 526 527 /* 528 * The KERN_PROC_VMMAP sysctl allows a process to dump the VM layout of 529 * another process as a series of entries. 530 */ 531 #define KVME_TYPE_NONE 0 532 #define KVME_TYPE_DEFAULT 1 /* no longer returned */ 533 #define KVME_TYPE_VNODE 2 534 #define KVME_TYPE_SWAP 3 535 #define KVME_TYPE_DEVICE 4 536 #define KVME_TYPE_PHYS 5 537 #define KVME_TYPE_DEAD 6 538 #define KVME_TYPE_SG 7 539 #define KVME_TYPE_MGTDEVICE 8 540 #define KVME_TYPE_GUARD 9 541 #define KVME_TYPE_UNKNOWN 255 542 543 #define KVME_PROT_READ 0x00000001 544 #define KVME_PROT_WRITE 0x00000002 545 #define KVME_PROT_EXEC 0x00000004 546 #define KVME_MAX_PROT_READ 0x00010000 547 #define KVME_MAX_PROT_WRITE 0x00020000 548 #define KVME_MAX_PROT_EXEC 0x00040000 549 550 #define KVME_FLAG_COW 0x00000001 551 #define KVME_FLAG_NEEDS_COPY 0x00000002 552 #define KVME_FLAG_NOCOREDUMP 0x00000004 553 #define KVME_FLAG_SUPER 0x00000008 554 #define KVME_FLAG_GROWS_UP 0x00000010 555 #define KVME_FLAG_GROWS_DOWN 0x00000020 556 #define KVME_FLAG_USER_WIRED 0x00000040 557 #define KVME_FLAG_SYSVSHM 0x00000080 558 #define KVME_FLAG_POSIXSHM 0x00000100 559 560 #if defined(__amd64__) 561 #define KINFO_OVMENTRY_SIZE 1168 562 #endif 563 #if defined(__i386__) 564 #define KINFO_OVMENTRY_SIZE 1128 565 #endif 566 567 struct kinfo_ovmentry { 568 int kve_structsize; /* Size of kinfo_vmmapentry. */ 569 int kve_type; /* Type of map entry. */ 570 void *kve_start; /* Starting address. */ 571 void *kve_end; /* Finishing address. */ 572 int kve_flags; /* Flags on map entry. */ 573 int kve_resident; /* Number of resident pages. */ 574 int kve_private_resident; /* Number of private pages. */ 575 int kve_protection; /* Protection bitmask. */ 576 int kve_ref_count; /* VM obj ref count. */ 577 int kve_shadow_count; /* VM obj shadow count. */ 578 char kve_path[PATH_MAX]; /* Path to VM obj, if any. */ 579 void *_kve_pspare[8]; /* Space for more stuff. */ 580 off_t kve_offset; /* Mapping offset in object */ 581 uint64_t kve_fileid; /* inode number if vnode */ 582 uint32_t kve_fsid; /* dev_t of vnode location */ 583 int _kve_ispare[3]; /* Space for more stuff. */ 584 }; 585 586 #if defined(__amd64__) || defined(__i386__) 587 #define KINFO_VMENTRY_SIZE 1160 588 #endif 589 590 struct kinfo_vmentry { 591 int kve_structsize; /* Variable size of record. */ 592 int kve_type; /* Type of map entry. */ 593 uint64_t kve_start; /* Starting address. */ 594 uint64_t kve_end; /* Finishing address. */ 595 uint64_t kve_offset; /* Mapping offset in object */ 596 uint64_t kve_vn_fileid; /* inode number if vnode */ 597 uint32_t kve_vn_fsid_freebsd11; /* dev_t of vnode location */ 598 int kve_flags; /* Flags on map entry. */ 599 int kve_resident; /* Number of resident pages. */ 600 int kve_private_resident; /* Number of private pages. */ 601 int kve_protection; /* Protection bitmask. */ 602 int kve_ref_count; /* VM obj ref count. */ 603 int kve_shadow_count; /* VM obj shadow count. */ 604 int kve_vn_type; /* Vnode type. */ 605 uint64_t kve_vn_size; /* File size. */ 606 uint32_t kve_vn_rdev_freebsd11; /* Device id if device. */ 607 uint16_t kve_vn_mode; /* File mode. */ 608 uint16_t kve_status; /* Status flags. */ 609 union { 610 uint64_t _kve_vn_fsid; /* dev_t of vnode location */ 611 uint64_t _kve_obj; /* handle of anon obj */ 612 } kve_type_spec; 613 uint64_t kve_vn_rdev; /* Device id if device. */ 614 int _kve_ispare[8]; /* Space for more stuff. */ 615 /* Truncated before copyout in sysctl */ 616 char kve_path[PATH_MAX]; /* Path to VM obj, if any. */ 617 }; 618 #define kve_vn_fsid kve_type_spec._kve_vn_fsid 619 #define kve_obj kve_type_spec._kve_obj 620 621 #define KVMO_FLAG_SYSVSHM 0x0001 622 #define KVMO_FLAG_POSIXSHM 0x0002 623 624 /* 625 * The "vm.objects" sysctl provides a list of all VM objects in the system 626 * via an array of these entries. 627 */ 628 struct kinfo_vmobject { 629 int kvo_structsize; /* Variable size of record. */ 630 int kvo_type; /* Object type: KVME_TYPE_*. */ 631 uint64_t kvo_size; /* Object size in pages. */ 632 uint64_t kvo_vn_fileid; /* inode number if vnode. */ 633 uint32_t kvo_vn_fsid_freebsd11; /* dev_t of vnode location. */ 634 int kvo_ref_count; /* Reference count. */ 635 int kvo_shadow_count; /* Shadow count. */ 636 int kvo_memattr; /* Memory attribute. */ 637 uint64_t kvo_resident; /* Number of resident pages. */ 638 uint64_t kvo_active; /* Number of active pages. */ 639 uint64_t kvo_inactive; /* Number of inactive pages. */ 640 union { 641 uint64_t _kvo_vn_fsid; 642 uint64_t _kvo_backing_obj; /* Handle for the backing obj */ 643 } kvo_type_spec; /* Type-specific union */ 644 uint64_t kvo_me; /* Uniq handle for anon obj */ 645 uint64_t kvo_laundry; /* Number of laundry pages. */ 646 uint64_t kvo_wired; /* Number of wired pages. */ 647 uint64_t _kvo_qspare[4]; 648 uint32_t kvo_swapped; /* Number of swapped pages */ 649 uint32_t kvo_flags; 650 uint32_t _kvo_ispare[6]; 651 char kvo_path[PATH_MAX]; /* Pathname, if any. */ 652 }; 653 #define kvo_vn_fsid kvo_type_spec._kvo_vn_fsid 654 #define kvo_backing_obj kvo_type_spec._kvo_backing_obj 655 656 /* 657 * The KERN_PROC_KSTACK sysctl allows a process to dump the kernel stacks of 658 * another process as a series of entries. Each stack is represented by a 659 * series of symbol names and offsets as generated by stack_sbuf_print(9). 660 */ 661 #define KKST_MAXLEN 1024 662 663 #define KKST_STATE_STACKOK 0 /* Stack is valid. */ 664 #define KKST_STATE_SWAPPED 1 /* Stack swapped out, obsolete. */ 665 #define KKST_STATE_RUNNING 2 /* Stack ephemeral. */ 666 667 #if defined(__amd64__) || defined(__i386__) 668 #define KINFO_KSTACK_SIZE 1096 669 #endif 670 671 struct kinfo_kstack { 672 lwpid_t kkst_tid; /* ID of thread. */ 673 int kkst_state; /* Validity of stack. */ 674 char kkst_trace[KKST_MAXLEN]; /* String representing stack. */ 675 int _kkst_ispare[16]; /* Space for more stuff. */ 676 }; 677 678 struct kinfo_sigtramp { 679 void *ksigtramp_start; 680 void *ksigtramp_end; 681 void *ksigtramp_spare[4]; 682 }; 683 684 #define KMAP_FLAG_WIREFUTURE 0x01 /* all future mappings wil be wired */ 685 #define KMAP_FLAG_ASLR 0x02 /* ASLR is applied to mappings */ 686 #define KMAP_FLAG_ASLR_IGNSTART 0x04 /* ASLR may map into sbrk grow region */ 687 #define KMAP_FLAG_WXORX 0x08 /* W^X mapping policy is enforced */ 688 #define KMAP_FLAG_ASLR_STACK 0x10 /* the stack location is randomized */ 689 #define KMAP_FLAG_ASLR_SHARED_PAGE 0x20 /* the shared page location is randomized */ 690 691 struct kinfo_vm_layout { 692 uintptr_t kvm_min_user_addr; 693 uintptr_t kvm_max_user_addr; 694 uintptr_t kvm_text_addr; 695 size_t kvm_text_size; 696 uintptr_t kvm_data_addr; 697 size_t kvm_data_size; 698 uintptr_t kvm_stack_addr; 699 size_t kvm_stack_size; 700 int kvm_map_flags; 701 uintptr_t kvm_shp_addr; 702 size_t kvm_shp_size; 703 uintptr_t kvm_spare[12]; 704 }; 705 706 #define KNOTE_STATUS_ACTIVE 0x00000001 707 #define KNOTE_STATUS_QUEUED 0x00000002 708 #define KNOTE_STATUS_DISABLED 0x00000004 709 #define KNOTE_STATUS_DETACHED 0x00000008 710 #define KNOTE_STATUS_KQUEUE 0x00000010 711 712 #define KNOTE_EXTDATA_NONE 0 713 #define KNOTE_EXTDATA_VNODE 1 714 #define KNOTE_EXTDATA_PIPE 2 715 716 struct kinfo_knote { 717 int knt_kq_fd; 718 struct kevent knt_event; 719 int knt_status; 720 int knt_extdata; 721 uint64_t knt_spare0[4]; 722 union { 723 struct { 724 int knt_vnode_type; 725 uint64_t knt_vnode_fsid; 726 uint64_t knt_vnode_fileid; 727 char knt_vnode_fullpath[PATH_MAX]; 728 } knt_vnode; 729 struct { 730 ino_t knt_pipe_ino; 731 } knt_pipe; 732 }; 733 }; 734 735 #ifdef _KERNEL 736 /* Flags for kern_proc_out function. */ 737 #define KERN_PROC_NOTHREADS 0x1 738 #define KERN_PROC_MASK32 0x2 739 740 /* Flags for kern_proc_filedesc_out. */ 741 #define KERN_FILEDESC_PACK_KINFO 0x00000001U 742 743 /* Flags for kern_proc_vmmap_out. */ 744 #define KERN_VMMAP_PACK_KINFO 0x00000001U 745 struct sbuf; 746 747 /* 748 * The kern_proc out functions are helper functions to dump process 749 * miscellaneous kinfo structures to sbuf. The main consumers are KERN_PROC 750 * sysctls but they may also be used by other kernel subsystems. 751 * 752 * The functions manipulate the process locking state and expect the process 753 * to be locked on enter. On return the process is unlocked. 754 */ 755 756 int kern_proc_filedesc_out(struct proc *p, struct sbuf *sb, ssize_t maxlen, 757 int flags); 758 int kern_proc_cwd_out(struct proc *p, struct sbuf *sb, ssize_t maxlen); 759 int kern_proc_out(struct proc *p, struct sbuf *sb, int flags); 760 int kern_proc_vmmap_out(struct proc *p, struct sbuf *sb, ssize_t maxlen, 761 int flags); 762 int kern_proc_kqueues_out(struct proc *p, struct sbuf *s, size_t maxlen, 763 bool compat32); 764 765 int vntype_to_kinfo(int vtype); 766 void pack_kinfo(struct kinfo_file *kif); 767 #endif /* !_KERNEL */ 768 769 #endif 770