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 * @(#)user.h 8.2 (Berkeley) 9/23/93 34 */ 35 36 #ifndef _SYS_USER_H_ 37 #define _SYS_USER_H_ 38 39 #include <machine/pcb.h> 40 #ifndef _KERNEL 41 /* stuff that *used* to be included by user.h, or is now needed */ 42 #include <sys/errno.h> 43 #include <sys/event.h> 44 #include <sys/time.h> 45 #include <sys/resource.h> 46 #include <sys/ucred.h> 47 #include <sys/uio.h> 48 #include <sys/queue.h> 49 #include <sys/_lock.h> 50 #include <sys/_mutex.h> 51 #include <sys/proc.h> 52 #include <vm/vm.h> /* XXX */ 53 #include <vm/vm_param.h> /* XXX */ 54 #include <vm/pmap.h> /* XXX */ 55 #include <vm/vm_map.h> /* XXX */ 56 #endif /* !_KERNEL */ 57 #ifndef _SYS_RESOURCEVAR_H_ 58 #include <sys/resourcevar.h> 59 #endif 60 #ifndef _SYS_SIGNALVAR_H_ 61 #include <sys/signalvar.h> 62 #endif 63 #ifndef _SYS_SOCKET_VAR_H_ 64 #include <sys/socket.h> 65 #endif 66 #include <sys/caprights.h> 67 68 /* 69 * KERN_PROC subtype ops return arrays of selected proc structure entries: 70 * 71 * This struct includes several arrays of spare space, with different arrays 72 * for different standard C-types. When adding new variables to this struct, 73 * the space for byte-aligned data should be taken from the ki_sparestring, 74 * pointers from ki_spareptrs, word-aligned data from ki_spareints, and 75 * doubleword-aligned data from ki_sparelongs. Make sure the space for new 76 * variables come from the array which matches the size and alignment of 77 * those variables on ALL hardware platforms, and then adjust the appropriate 78 * KI_NSPARE_* value(s) to match. 79 * 80 * Always verify that sizeof(struct kinfo_proc) == KINFO_PROC_SIZE on all 81 * platforms after you have added new variables. Note that if you change 82 * the value of KINFO_PROC_SIZE, then many userland programs will stop 83 * working until they are recompiled! 84 * 85 * Once you have added the new field, you will need to add code to initialize 86 * it in two places: function fill_kinfo_proc in sys/kern/kern_proc.c and 87 * function kvm_proclist in lib/libkvm/kvm_proc.c . 88 */ 89 #define KI_NSPARE_INT 2 90 #define KI_NSPARE_LONG 12 91 #define KI_NSPARE_PTR 5 92 93 #ifndef _KERNEL 94 #ifndef KINFO_PROC_SIZE 95 #error "Unknown architecture" 96 #endif 97 #endif /* !_KERNEL */ 98 99 #define WMESGLEN 8 /* size of returned wchan message */ 100 #define LOCKNAMELEN 8 /* size of returned lock name */ 101 #define TDNAMLEN 16 /* size of returned thread name */ 102 #define COMMLEN 19 /* size of returned ki_comm name */ 103 #define KI_EMULNAMELEN 16 /* size of returned ki_emul */ 104 #define KI_NGROUPS 16 /* number of groups in ki_groups */ 105 #define LOGNAMELEN 17 /* size of returned ki_login */ 106 #define LOGINCLASSLEN 17 /* size of returned ki_loginclass */ 107 108 #ifndef BURN_BRIDGES 109 #define OCOMMLEN TDNAMLEN 110 #define ki_ocomm ki_tdname 111 #endif 112 113 /* Flags for the process credential. */ 114 #define KI_CRF_CAPABILITY_MODE 0x00000001 115 /* 116 * Steal a bit from ki_cr_flags to indicate that the cred had more than 117 * KI_NGROUPS groups. 118 */ 119 #define KI_CRF_GRP_OVERFLOW 0x80000000 120 121 struct kinfo_proc { 122 int ki_structsize; /* size of this structure */ 123 int ki_layout; /* reserved: layout identifier */ 124 struct pargs *ki_args; /* address of command arguments */ 125 struct proc *ki_paddr; /* address of proc */ 126 struct user *ki_addr; /* kernel virtual addr of u-area */ 127 struct vnode *ki_tracep; /* pointer to trace file */ 128 struct vnode *ki_textvp; /* pointer to executable file */ 129 struct filedesc *ki_fd; /* pointer to open file info */ 130 struct vmspace *ki_vmspace; /* pointer to kernel vmspace struct */ 131 const void *ki_wchan; /* sleep address */ 132 pid_t ki_pid; /* Process identifier */ 133 pid_t ki_ppid; /* parent process id */ 134 pid_t ki_pgid; /* process group id */ 135 pid_t ki_tpgid; /* tty process group id */ 136 pid_t ki_sid; /* Process session ID */ 137 pid_t ki_tsid; /* Terminal session ID */ 138 short ki_jobc; /* job control counter */ 139 short ki_spare_short1; /* unused (just here for alignment) */ 140 uint32_t ki_tdev_freebsd11; /* controlling tty dev */ 141 sigset_t ki_siglist; /* Signals arrived but not delivered */ 142 sigset_t ki_sigmask; /* Current signal mask */ 143 sigset_t ki_sigignore; /* Signals being ignored */ 144 sigset_t ki_sigcatch; /* Signals being caught by user */ 145 uid_t ki_uid; /* effective user id */ 146 uid_t ki_ruid; /* Real user id */ 147 uid_t ki_svuid; /* Saved effective user id */ 148 gid_t ki_rgid; /* Real group id */ 149 gid_t ki_svgid; /* Saved effective group id */ 150 short ki_ngroups; /* number of groups */ 151 short ki_spare_short2; /* unused (just here for alignment) */ 152 gid_t ki_groups[KI_NGROUPS]; /* groups */ 153 vm_size_t ki_size; /* virtual size */ 154 segsz_t ki_rssize; /* current resident set size in pages */ 155 segsz_t ki_swrss; /* resident set size before last swap */ 156 segsz_t ki_tsize; /* text size (pages) XXX */ 157 segsz_t ki_dsize; /* data size (pages) XXX */ 158 segsz_t ki_ssize; /* stack size (pages) */ 159 u_short ki_xstat; /* Exit status for wait & stop signal */ 160 u_short ki_acflag; /* Accounting flags */ 161 fixpt_t ki_pctcpu; /* %cpu for process during ki_swtime */ 162 u_int ki_estcpu; /* Time averaged value of ki_cpticks */ 163 u_int ki_slptime; /* Time since last blocked */ 164 u_int ki_swtime; /* Time swapped in or out */ 165 u_int ki_cow; /* number of copy-on-write faults */ 166 u_int64_t ki_runtime; /* Real time in microsec */ 167 struct timeval ki_start; /* starting time */ 168 struct timeval ki_childtime; /* time used by process children */ 169 long ki_flag; /* P_* flags */ 170 long ki_kiflag; /* KI_* flags (below) */ 171 int ki_traceflag; /* Kernel trace points */ 172 char ki_stat; /* S* process status */ 173 signed char ki_nice; /* Process "nice" value */ 174 char ki_lock; /* Process lock (prevent swap) count */ 175 char ki_rqindex; /* Run queue index */ 176 u_char ki_oncpu_old; /* Which cpu we are on (legacy) */ 177 u_char ki_lastcpu_old; /* Last cpu we were on (legacy) */ 178 char ki_tdname[TDNAMLEN+1]; /* thread name */ 179 char ki_wmesg[WMESGLEN+1]; /* wchan message */ 180 char ki_login[LOGNAMELEN+1]; /* setlogin name */ 181 char ki_lockname[LOCKNAMELEN+1]; /* lock name */ 182 char ki_comm[COMMLEN+1]; /* command name */ 183 char ki_emul[KI_EMULNAMELEN+1]; /* emulation name */ 184 char ki_loginclass[LOGINCLASSLEN+1]; /* login class */ 185 char ki_moretdname[MAXCOMLEN-TDNAMLEN+1]; /* more thread name */ 186 /* 187 * When adding new variables, take space for char-strings from the 188 * front of ki_sparestrings, and ints from the end of ki_spareints. 189 * That way the spare room from both arrays will remain contiguous. 190 */ 191 char ki_sparestrings[46]; /* spare string space */ 192 int ki_spareints[KI_NSPARE_INT]; /* spare room for growth */ 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; /* 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 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_spareptrs[KI_NSPARE_PTR]; /* spare room for growth */ 218 long ki_sparelongs[KI_NSPARE_LONG]; /* spare room for growth */ 219 long ki_sflag; /* PS_* flags */ 220 long ki_tdflags; /* XXXKSE kthread flag */ 221 }; 222 void fill_kinfo_proc(struct proc *, struct kinfo_proc *); 223 /* XXX - the following two defines are temporary */ 224 #define ki_childstime ki_rusage_ch.ru_stime 225 #define ki_childutime ki_rusage_ch.ru_utime 226 227 /* 228 * Legacy PS_ flag. This moved to p_flag but is maintained for 229 * compatibility. 230 */ 231 #define PS_INMEM 0x00001 /* Loaded into memory. */ 232 233 /* ki_sessflag values */ 234 #define KI_CTTY 0x00000001 /* controlling tty vnode active */ 235 #define KI_SLEADER 0x00000002 /* session leader */ 236 #define KI_LOCKBLOCK 0x00000004 /* proc blocked on lock ki_lockname */ 237 238 /* 239 * This used to be the per-process structure containing data that 240 * isn't needed in core when the process is swapped out, but now it 241 * remains only for the benefit of a.out core dumps. 242 */ 243 struct user { 244 struct pstats u_stats; /* *p_stats */ 245 struct kinfo_proc u_kproc; /* eproc */ 246 }; 247 248 /* 249 * The KERN_PROC_FILE sysctl allows a process to dump the file descriptor 250 * array of another process. 251 */ 252 #define KF_ATTR_VALID 0x0001 253 254 #define KF_TYPE_NONE 0 255 #define KF_TYPE_VNODE 1 256 #define KF_TYPE_SOCKET 2 257 #define KF_TYPE_PIPE 3 258 #define KF_TYPE_FIFO 4 259 #define KF_TYPE_KQUEUE 5 260 /* was KF_TYPE_CRYPTO 6 */ 261 #define KF_TYPE_MQUEUE 7 262 #define KF_TYPE_SHM 8 263 #define KF_TYPE_SEM 9 264 #define KF_TYPE_PTS 10 265 #define KF_TYPE_PROCDESC 11 266 #define KF_TYPE_DEV 12 267 #define KF_TYPE_EVENTFD 13 268 #define KF_TYPE_TIMERFD 14 269 #define KF_TYPE_UNKNOWN 255 270 271 #define KF_VTYPE_VNON 0 272 #define KF_VTYPE_VREG 1 273 #define KF_VTYPE_VDIR 2 274 #define KF_VTYPE_VBLK 3 275 #define KF_VTYPE_VCHR 4 276 #define KF_VTYPE_VLNK 5 277 #define KF_VTYPE_VSOCK 6 278 #define KF_VTYPE_VFIFO 7 279 #define KF_VTYPE_VBAD 8 280 #define KF_VTYPE_UNKNOWN 255 281 282 #define KF_FD_TYPE_CWD -1 /* Current working directory */ 283 #define KF_FD_TYPE_ROOT -2 /* Root directory */ 284 #define KF_FD_TYPE_JAIL -3 /* Jail directory */ 285 #define KF_FD_TYPE_TRACE -4 /* Ktrace vnode */ 286 #define KF_FD_TYPE_TEXT -5 /* Text vnode */ 287 #define KF_FD_TYPE_CTTY -6 /* Controlling terminal */ 288 289 #define KF_FLAG_READ 0x00000001 290 #define KF_FLAG_WRITE 0x00000002 291 #define KF_FLAG_APPEND 0x00000004 292 #define KF_FLAG_ASYNC 0x00000008 293 #define KF_FLAG_FSYNC 0x00000010 294 #define KF_FLAG_NONBLOCK 0x00000020 295 #define KF_FLAG_DIRECT 0x00000040 296 #define KF_FLAG_HASLOCK 0x00000080 297 #define KF_FLAG_SHLOCK 0x00000100 298 #define KF_FLAG_EXLOCK 0x00000200 299 #define KF_FLAG_NOFOLLOW 0x00000400 300 #define KF_FLAG_CREAT 0x00000800 301 #define KF_FLAG_TRUNC 0x00001000 302 #define KF_FLAG_EXCL 0x00002000 303 #define KF_FLAG_EXEC 0x00004000 304 305 /* 306 * Old format. Has variable hidden padding due to alignment. 307 * This is a compatibility hack for pre-build 7.1 packages. 308 */ 309 #if defined(__amd64__) 310 #define KINFO_OFILE_SIZE 1328 311 #endif 312 #if defined(__i386__) 313 #define KINFO_OFILE_SIZE 1324 314 #endif 315 316 struct kinfo_ofile { 317 int kf_structsize; /* Size of kinfo_file. */ 318 int kf_type; /* Descriptor type. */ 319 int kf_fd; /* Array index. */ 320 int kf_ref_count; /* Reference count. */ 321 int kf_flags; /* Flags. */ 322 /* XXX Hidden alignment padding here on amd64 */ 323 off_t kf_offset; /* Seek location. */ 324 int kf_vnode_type; /* Vnode type. */ 325 int kf_sock_domain; /* Socket domain. */ 326 int kf_sock_type; /* Socket type. */ 327 int kf_sock_protocol; /* Socket protocol. */ 328 char kf_path[PATH_MAX]; /* Path to file, if any. */ 329 struct sockaddr_storage kf_sa_local; /* Socket address. */ 330 struct sockaddr_storage kf_sa_peer; /* Peer address. */ 331 }; 332 333 #if defined(__amd64__) || defined(__i386__) 334 /* 335 * This size should never be changed. If you really need to, you must provide 336 * backward ABI compatibility by allocating a new sysctl MIB that will return 337 * the new structure. The current structure has to be returned by the current 338 * sysctl MIB. See how it is done for the kinfo_ofile structure. 339 */ 340 #define KINFO_FILE_SIZE 1392 341 #endif 342 343 struct kinfo_file { 344 int kf_structsize; /* Variable size of record. */ 345 int kf_type; /* Descriptor type. */ 346 int kf_fd; /* Array index. */ 347 int kf_ref_count; /* Reference count. */ 348 int kf_flags; /* Flags. */ 349 int kf_pad0; /* Round to 64 bit alignment. */ 350 int64_t kf_offset; /* Seek location. */ 351 union { 352 struct { 353 /* API compatibility with FreeBSD < 12. */ 354 int kf_vnode_type; 355 int kf_sock_domain; 356 int kf_sock_type; 357 int kf_sock_protocol; 358 struct sockaddr_storage kf_sa_local; 359 struct sockaddr_storage kf_sa_peer; 360 }; 361 union { 362 struct { 363 /* Sendq size */ 364 uint32_t kf_sock_sendq; 365 /* Socket domain. */ 366 int kf_sock_domain0; 367 /* Socket type. */ 368 int kf_sock_type0; 369 /* Socket protocol. */ 370 int kf_sock_protocol0; 371 /* Socket address. */ 372 struct sockaddr_storage kf_sa_local; 373 /* Peer address. */ 374 struct sockaddr_storage kf_sa_peer; 375 /* Address of so_pcb. */ 376 uint64_t kf_sock_pcb; 377 /* Address of inp_ppcb. */ 378 uint64_t kf_sock_inpcb; 379 /* Address of unp_conn. */ 380 uint64_t kf_sock_unpconn; 381 /* Send buffer state. */ 382 uint16_t kf_sock_snd_sb_state; 383 /* Receive buffer state. */ 384 uint16_t kf_sock_rcv_sb_state; 385 /* Recvq size. */ 386 uint32_t kf_sock_recvq; 387 } kf_sock; 388 struct { 389 /* Vnode type. */ 390 int kf_file_type; 391 /* Space for future use */ 392 int kf_spareint[3]; 393 uint64_t kf_spareint64[29]; 394 /* Number of references to file. */ 395 uint64_t kf_file_nlink; 396 /* Vnode filesystem id. */ 397 uint64_t kf_file_fsid; 398 /* File device. */ 399 uint64_t kf_file_rdev; 400 /* Global file id. */ 401 uint64_t kf_file_fileid; 402 /* File size. */ 403 uint64_t kf_file_size; 404 /* Vnode filesystem id, FreeBSD 11 compat. */ 405 uint32_t kf_file_fsid_freebsd11; 406 /* File device, FreeBSD 11 compat. */ 407 uint32_t kf_file_rdev_freebsd11; 408 /* File mode. */ 409 uint16_t kf_file_mode; 410 /* Round to 64 bit alignment. */ 411 uint16_t kf_file_pad0; 412 uint32_t kf_file_pad1; 413 } kf_file; 414 struct { 415 uint32_t kf_spareint[4]; 416 uint64_t kf_spareint64[32]; 417 uint32_t kf_sem_value; 418 uint16_t kf_sem_mode; 419 } kf_sem; 420 struct { 421 uint32_t kf_spareint[4]; 422 uint64_t kf_spareint64[32]; 423 uint64_t kf_pipe_addr; 424 uint64_t kf_pipe_peer; 425 uint32_t kf_pipe_buffer_cnt; 426 uint32_t kf_pipe_buffer_in; 427 uint32_t kf_pipe_buffer_out; 428 uint32_t kf_pipe_buffer_size; 429 } kf_pipe; 430 struct { 431 uint32_t kf_spareint[4]; 432 uint64_t kf_spareint64[32]; 433 uint32_t kf_pts_dev_freebsd11; 434 uint32_t kf_pts_pad0; 435 uint64_t kf_pts_dev; 436 /* Round to 64 bit alignment. */ 437 uint32_t kf_pts_pad1[4]; 438 } kf_pts; 439 struct { 440 uint32_t kf_spareint[4]; 441 uint64_t kf_spareint64[32]; 442 pid_t kf_pid; 443 } kf_proc; 444 struct { 445 uint64_t kf_eventfd_value; 446 uint32_t kf_eventfd_flags; 447 uint32_t kf_eventfd_spareint[3]; 448 uint64_t kf_eventfd_addr; 449 } kf_eventfd; 450 struct { 451 uint32_t kf_timerfd_clockid; 452 uint32_t kf_timerfd_flags; 453 uint64_t kf_timerfd_addr; 454 } kf_timerfd; 455 struct { 456 uint64_t kf_kqueue_addr; 457 int32_t kf_kqueue_count; 458 int32_t kf_kqueue_state; 459 } kf_kqueue; 460 } kf_un; 461 }; 462 uint16_t kf_status; /* Status flags. */ 463 uint16_t kf_pad1; /* Round to 32 bit alignment. */ 464 int _kf_ispare0; /* Space for more stuff. */ 465 cap_rights_t kf_cap_rights; /* Capability rights. */ 466 uint64_t _kf_cap_spare; /* Space for future cap_rights_t. */ 467 /* Truncated before copyout in sysctl */ 468 char kf_path[PATH_MAX]; /* Path to file, if any. */ 469 }; 470 471 struct kinfo_lockf { 472 int kl_structsize; /* Variable size of record. */ 473 int kl_rw; 474 int kl_type; 475 int kl_pid; 476 int kl_sysid; 477 int kl_pad0; 478 uint64_t kl_file_fsid; 479 uint64_t kl_file_rdev; 480 uint64_t kl_file_fileid; 481 off_t kl_start; 482 off_t kl_len; /* len == 0 till the EOF */ 483 char kl_path[PATH_MAX]; 484 }; 485 486 #define KLOCKF_RW_READ 0x01 487 #define KLOCKF_RW_WRITE 0x02 488 489 #define KLOCKF_TYPE_FLOCK 0x01 490 #define KLOCKF_TYPE_PID 0x02 491 #define KLOCKF_TYPE_REMOTE 0x03 492 493 /* 494 * The KERN_PROC_VMMAP sysctl allows a process to dump the VM layout of 495 * another process as a series of entries. 496 */ 497 #define KVME_TYPE_NONE 0 498 #define KVME_TYPE_DEFAULT 1 /* no longer returned */ 499 #define KVME_TYPE_VNODE 2 500 #define KVME_TYPE_SWAP 3 501 #define KVME_TYPE_DEVICE 4 502 #define KVME_TYPE_PHYS 5 503 #define KVME_TYPE_DEAD 6 504 #define KVME_TYPE_SG 7 505 #define KVME_TYPE_MGTDEVICE 8 506 #define KVME_TYPE_GUARD 9 507 #define KVME_TYPE_UNKNOWN 255 508 509 #define KVME_PROT_READ 0x00000001 510 #define KVME_PROT_WRITE 0x00000002 511 #define KVME_PROT_EXEC 0x00000004 512 #define KVME_MAX_PROT_READ 0x00010000 513 #define KVME_MAX_PROT_WRITE 0x00020000 514 #define KVME_MAX_PROT_EXEC 0x00040000 515 516 #define KVME_FLAG_COW 0x00000001 517 #define KVME_FLAG_NEEDS_COPY 0x00000002 518 #define KVME_FLAG_NOCOREDUMP 0x00000004 519 #define KVME_FLAG_SUPER 0x00000008 520 #define KVME_FLAG_GROWS_UP 0x00000010 521 #define KVME_FLAG_GROWS_DOWN 0x00000020 522 #define KVME_FLAG_USER_WIRED 0x00000040 523 #define KVME_FLAG_SYSVSHM 0x00000080 524 #define KVME_FLAG_POSIXSHM 0x00000100 525 526 #if defined(__amd64__) 527 #define KINFO_OVMENTRY_SIZE 1168 528 #endif 529 #if defined(__i386__) 530 #define KINFO_OVMENTRY_SIZE 1128 531 #endif 532 533 struct kinfo_ovmentry { 534 int kve_structsize; /* Size of kinfo_vmmapentry. */ 535 int kve_type; /* Type of map entry. */ 536 void *kve_start; /* Starting address. */ 537 void *kve_end; /* Finishing address. */ 538 int kve_flags; /* Flags on map entry. */ 539 int kve_resident; /* Number of resident pages. */ 540 int kve_private_resident; /* Number of private pages. */ 541 int kve_protection; /* Protection bitmask. */ 542 int kve_ref_count; /* VM obj ref count. */ 543 int kve_shadow_count; /* VM obj shadow count. */ 544 char kve_path[PATH_MAX]; /* Path to VM obj, if any. */ 545 void *_kve_pspare[8]; /* Space for more stuff. */ 546 off_t kve_offset; /* Mapping offset in object */ 547 uint64_t kve_fileid; /* inode number if vnode */ 548 uint32_t kve_fsid; /* dev_t of vnode location */ 549 int _kve_ispare[3]; /* Space for more stuff. */ 550 }; 551 552 #if defined(__amd64__) || defined(__i386__) 553 #define KINFO_VMENTRY_SIZE 1160 554 #endif 555 556 struct kinfo_vmentry { 557 int kve_structsize; /* Variable size of record. */ 558 int kve_type; /* Type of map entry. */ 559 uint64_t kve_start; /* Starting address. */ 560 uint64_t kve_end; /* Finishing address. */ 561 uint64_t kve_offset; /* Mapping offset in object */ 562 uint64_t kve_vn_fileid; /* inode number if vnode */ 563 uint32_t kve_vn_fsid_freebsd11; /* dev_t of vnode location */ 564 int kve_flags; /* Flags on map entry. */ 565 int kve_resident; /* Number of resident pages. */ 566 int kve_private_resident; /* Number of private pages. */ 567 int kve_protection; /* Protection bitmask. */ 568 int kve_ref_count; /* VM obj ref count. */ 569 int kve_shadow_count; /* VM obj shadow count. */ 570 int kve_vn_type; /* Vnode type. */ 571 uint64_t kve_vn_size; /* File size. */ 572 uint32_t kve_vn_rdev_freebsd11; /* Device id if device. */ 573 uint16_t kve_vn_mode; /* File mode. */ 574 uint16_t kve_status; /* Status flags. */ 575 union { 576 uint64_t _kve_vn_fsid; /* dev_t of vnode location */ 577 uint64_t _kve_obj; /* handle of anon obj */ 578 } kve_type_spec; 579 uint64_t kve_vn_rdev; /* Device id if device. */ 580 int _kve_ispare[8]; /* Space for more stuff. */ 581 /* Truncated before copyout in sysctl */ 582 char kve_path[PATH_MAX]; /* Path to VM obj, if any. */ 583 }; 584 #define kve_vn_fsid kve_type_spec._kve_vn_fsid 585 #define kve_obj kve_type_spec._kve_obj 586 587 #define KVMO_FLAG_SYSVSHM 0x0001 588 #define KVMO_FLAG_POSIXSHM 0x0002 589 590 /* 591 * The "vm.objects" sysctl provides a list of all VM objects in the system 592 * via an array of these entries. 593 */ 594 struct kinfo_vmobject { 595 int kvo_structsize; /* Variable size of record. */ 596 int kvo_type; /* Object type: KVME_TYPE_*. */ 597 uint64_t kvo_size; /* Object size in pages. */ 598 uint64_t kvo_vn_fileid; /* inode number if vnode. */ 599 uint32_t kvo_vn_fsid_freebsd11; /* dev_t of vnode location. */ 600 int kvo_ref_count; /* Reference count. */ 601 int kvo_shadow_count; /* Shadow count. */ 602 int kvo_memattr; /* Memory attribute. */ 603 uint64_t kvo_resident; /* Number of resident pages. */ 604 uint64_t kvo_active; /* Number of active pages. */ 605 uint64_t kvo_inactive; /* Number of inactive pages. */ 606 union { 607 uint64_t _kvo_vn_fsid; 608 uint64_t _kvo_backing_obj; /* Handle for the backing obj */ 609 } kvo_type_spec; /* Type-specific union */ 610 uint64_t kvo_me; /* Uniq handle for anon obj */ 611 uint64_t kvo_laundry; /* Number of laundry pages. */ 612 uint64_t _kvo_qspare[5]; 613 uint32_t kvo_swapped; /* Number of swapped pages */ 614 uint32_t kvo_flags; 615 uint32_t _kvo_ispare[6]; 616 char kvo_path[PATH_MAX]; /* Pathname, if any. */ 617 }; 618 #define kvo_vn_fsid kvo_type_spec._kvo_vn_fsid 619 #define kvo_backing_obj kvo_type_spec._kvo_backing_obj 620 621 /* 622 * The KERN_PROC_KSTACK sysctl allows a process to dump the kernel stacks of 623 * another process as a series of entries. Each stack is represented by a 624 * series of symbol names and offsets as generated by stack_sbuf_print(9). 625 */ 626 #define KKST_MAXLEN 1024 627 628 #define KKST_STATE_STACKOK 0 /* Stack is valid. */ 629 #define KKST_STATE_SWAPPED 1 /* Stack swapped out. */ 630 #define KKST_STATE_RUNNING 2 /* Stack ephemeral. */ 631 632 #if defined(__amd64__) || defined(__i386__) 633 #define KINFO_KSTACK_SIZE 1096 634 #endif 635 636 struct kinfo_kstack { 637 lwpid_t kkst_tid; /* ID of thread. */ 638 int kkst_state; /* Validity of stack. */ 639 char kkst_trace[KKST_MAXLEN]; /* String representing stack. */ 640 int _kkst_ispare[16]; /* Space for more stuff. */ 641 }; 642 643 struct kinfo_sigtramp { 644 void *ksigtramp_start; 645 void *ksigtramp_end; 646 void *ksigtramp_spare[4]; 647 }; 648 649 #define KMAP_FLAG_WIREFUTURE 0x01 /* all future mappings wil be wired */ 650 #define KMAP_FLAG_ASLR 0x02 /* ASLR is applied to mappings */ 651 #define KMAP_FLAG_ASLR_IGNSTART 0x04 /* ASLR may map into sbrk grow region */ 652 #define KMAP_FLAG_WXORX 0x08 /* W^X mapping policy is enforced */ 653 #define KMAP_FLAG_ASLR_STACK 0x10 /* the stack location is randomized */ 654 #define KMAP_FLAG_ASLR_SHARED_PAGE 0x20 /* the shared page location is randomized */ 655 656 struct kinfo_vm_layout { 657 uintptr_t kvm_min_user_addr; 658 uintptr_t kvm_max_user_addr; 659 uintptr_t kvm_text_addr; 660 size_t kvm_text_size; 661 uintptr_t kvm_data_addr; 662 size_t kvm_data_size; 663 uintptr_t kvm_stack_addr; 664 size_t kvm_stack_size; 665 int kvm_map_flags; 666 uintptr_t kvm_shp_addr; 667 size_t kvm_shp_size; 668 uintptr_t kvm_spare[12]; 669 }; 670 671 #define KNOTE_STATUS_ACTIVE 0x00000001 672 #define KNOTE_STATUS_QUEUED 0x00000002 673 #define KNOTE_STATUS_DISABLED 0x00000004 674 #define KNOTE_STATUS_DETACHED 0x00000008 675 #define KNOTE_STATUS_KQUEUE 0x00000010 676 677 #define KNOTE_EXTDATA_NONE 0 678 #define KNOTE_EXTDATA_VNODE 1 679 #define KNOTE_EXTDATA_PIPE 2 680 681 struct kinfo_knote { 682 int knt_kq_fd; 683 struct kevent knt_event; 684 int knt_status; 685 int knt_extdata; 686 uint64_t knt_spare0[4]; 687 union { 688 struct { 689 int knt_vnode_type; 690 uint64_t knt_vnode_fsid; 691 uint64_t knt_vnode_fileid; 692 char knt_vnode_fullpath[PATH_MAX]; 693 } knt_vnode; 694 struct { 695 ino_t knt_pipe_ino; 696 } knt_pipe; 697 }; 698 }; 699 700 #ifdef _KERNEL 701 /* Flags for kern_proc_out function. */ 702 #define KERN_PROC_NOTHREADS 0x1 703 #define KERN_PROC_MASK32 0x2 704 705 /* Flags for kern_proc_filedesc_out. */ 706 #define KERN_FILEDESC_PACK_KINFO 0x00000001U 707 708 /* Flags for kern_proc_vmmap_out. */ 709 #define KERN_VMMAP_PACK_KINFO 0x00000001U 710 struct sbuf; 711 712 /* 713 * The kern_proc out functions are helper functions to dump process 714 * miscellaneous kinfo structures to sbuf. The main consumers are KERN_PROC 715 * sysctls but they may also be used by other kernel subsystems. 716 * 717 * The functions manipulate the process locking state and expect the process 718 * to be locked on enter. On return the process is unlocked. 719 */ 720 721 int kern_proc_filedesc_out(struct proc *p, struct sbuf *sb, ssize_t maxlen, 722 int flags); 723 int kern_proc_cwd_out(struct proc *p, struct sbuf *sb, ssize_t maxlen); 724 int kern_proc_out(struct proc *p, struct sbuf *sb, int flags); 725 int kern_proc_vmmap_out(struct proc *p, struct sbuf *sb, ssize_t maxlen, 726 int flags); 727 int kern_proc_kqueues_out(struct proc *p, struct sbuf *s, size_t maxlen, 728 bool compat32); 729 730 int vntype_to_kinfo(int vtype); 731 void pack_kinfo(struct kinfo_file *kif); 732 #endif /* !_KERNEL */ 733 734 #endif 735