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 5 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[46]; /* spare string space */ 190 int ki_spareints[KI_NSPARE_INT]; /* spare room for growth */ 191 uint64_t ki_tdev; /* controlling tty dev */ 192 int ki_oncpu; /* Which cpu we are on */ 193 int ki_lastcpu; /* Last cpu we were on */ 194 int ki_tracer; /* Pid of tracing process */ 195 int ki_flag2; /* P2_* flags */ 196 int ki_fibnum; /* Default FIB number */ 197 u_int ki_cr_flags; /* Credential flags */ 198 int ki_jid; /* Process jail ID */ 199 int ki_numthreads; /* XXXKSE number of threads in total */ 200 lwpid_t ki_tid; /* XXXKSE thread id */ 201 struct priority ki_pri; /* process priority */ 202 struct rusage ki_rusage; /* process rusage statistics */ 203 /* XXX - most fields in ki_rusage_ch are not (yet) filled in */ 204 struct rusage ki_rusage_ch; /* rusage of children processes */ 205 struct pcb *ki_pcb; /* kernel virtual addr of pcb */ 206 void *ki_kstack; /* kernel virtual addr of stack */ 207 void *ki_udata; /* User convenience pointer */ 208 struct thread *ki_tdaddr; /* address of thread */ 209 /* 210 * When adding new variables, take space for pointers from the 211 * front of ki_spareptrs, and longs from the end of ki_sparelongs. 212 * That way the spare room from both arrays will remain contiguous. 213 */ 214 struct pwddesc *ki_pd; /* pointer to process paths info */ 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, always true. */ 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_ATTR_VALID 0x0001 251 252 #define KF_TYPE_NONE 0 253 #define KF_TYPE_VNODE 1 254 #define KF_TYPE_SOCKET 2 255 #define KF_TYPE_PIPE 3 256 #define KF_TYPE_FIFO 4 257 #define KF_TYPE_KQUEUE 5 258 /* was KF_TYPE_CRYPTO 6 */ 259 #define KF_TYPE_MQUEUE 7 260 #define KF_TYPE_SHM 8 261 #define KF_TYPE_SEM 9 262 #define KF_TYPE_PTS 10 263 #define KF_TYPE_PROCDESC 11 264 #define KF_TYPE_DEV 12 265 #define KF_TYPE_EVENTFD 13 266 #define KF_TYPE_TIMERFD 14 267 #define KF_TYPE_UNKNOWN 255 268 269 #define KF_VTYPE_VNON 0 270 #define KF_VTYPE_VREG 1 271 #define KF_VTYPE_VDIR 2 272 #define KF_VTYPE_VBLK 3 273 #define KF_VTYPE_VCHR 4 274 #define KF_VTYPE_VLNK 5 275 #define KF_VTYPE_VSOCK 6 276 #define KF_VTYPE_VFIFO 7 277 #define KF_VTYPE_VBAD 8 278 #define KF_VTYPE_UNKNOWN 255 279 280 #define KF_FD_TYPE_CWD -1 /* Current working directory */ 281 #define KF_FD_TYPE_ROOT -2 /* Root directory */ 282 #define KF_FD_TYPE_JAIL -3 /* Jail directory */ 283 #define KF_FD_TYPE_TRACE -4 /* Ktrace vnode */ 284 #define KF_FD_TYPE_TEXT -5 /* Text vnode */ 285 #define KF_FD_TYPE_CTTY -6 /* Controlling terminal */ 286 287 #define KF_FLAG_READ 0x00000001 288 #define KF_FLAG_WRITE 0x00000002 289 #define KF_FLAG_APPEND 0x00000004 290 #define KF_FLAG_ASYNC 0x00000008 291 #define KF_FLAG_FSYNC 0x00000010 292 #define KF_FLAG_NONBLOCK 0x00000020 293 #define KF_FLAG_DIRECT 0x00000040 294 #define KF_FLAG_HASLOCK 0x00000080 295 #define KF_FLAG_SHLOCK 0x00000100 296 #define KF_FLAG_EXLOCK 0x00000200 297 #define KF_FLAG_NOFOLLOW 0x00000400 298 #define KF_FLAG_CREAT 0x00000800 299 #define KF_FLAG_TRUNC 0x00001000 300 #define KF_FLAG_EXCL 0x00002000 301 #define KF_FLAG_EXEC 0x00004000 302 303 /* 304 * Old format. Has variable hidden padding due to alignment. 305 * This is a compatibility hack for pre-build 7.1 packages. 306 */ 307 #if defined(__amd64__) 308 #define KINFO_OFILE_SIZE 1328 309 #endif 310 #if defined(__i386__) 311 #define KINFO_OFILE_SIZE 1324 312 #endif 313 314 struct kinfo_ofile { 315 int kf_structsize; /* Size of kinfo_file. */ 316 int kf_type; /* Descriptor type. */ 317 int kf_fd; /* Array index. */ 318 int kf_ref_count; /* Reference count. */ 319 int kf_flags; /* Flags. */ 320 /* XXX Hidden alignment padding here on amd64 */ 321 off_t kf_offset; /* Seek location. */ 322 int kf_vnode_type; /* Vnode type. */ 323 int kf_sock_domain; /* Socket domain. */ 324 int kf_sock_type; /* Socket type. */ 325 int kf_sock_protocol; /* Socket protocol. */ 326 char kf_path[PATH_MAX]; /* Path to file, if any. */ 327 struct sockaddr_storage kf_sa_local; /* Socket address. */ 328 struct sockaddr_storage kf_sa_peer; /* Peer address. */ 329 }; 330 331 #if defined(__amd64__) || defined(__i386__) 332 /* 333 * This size should never be changed. If you really need to, you must provide 334 * backward ABI compatibility by allocating a new sysctl MIB that will return 335 * the new structure. The current structure has to be returned by the current 336 * sysctl MIB. See how it is done for the kinfo_ofile structure. 337 */ 338 #define KINFO_FILE_SIZE 1392 339 #endif 340 341 struct kinfo_file { 342 int kf_structsize; /* Variable size of record. */ 343 int kf_type; /* Descriptor type. */ 344 int kf_fd; /* Array index. */ 345 int kf_ref_count; /* Reference count. */ 346 int kf_flags; /* Flags. */ 347 int kf_pad0; /* Round to 64 bit alignment. */ 348 int64_t kf_offset; /* Seek location. */ 349 union { 350 struct { 351 /* API compatibility with FreeBSD < 12. */ 352 int kf_vnode_type; 353 int kf_sock_domain; 354 int kf_sock_type; 355 int kf_sock_protocol; 356 struct sockaddr_storage kf_sa_local; 357 struct sockaddr_storage kf_sa_peer; 358 }; 359 union { 360 struct { 361 /* Sendq size */ 362 uint32_t kf_sock_sendq; 363 /* Socket domain. */ 364 int kf_sock_domain0; 365 /* Socket type. */ 366 int kf_sock_type0; 367 /* Socket protocol. */ 368 int kf_sock_protocol0; 369 /* Socket address. */ 370 struct sockaddr_storage kf_sa_local; 371 /* Peer address. */ 372 struct sockaddr_storage kf_sa_peer; 373 /* Address of so_pcb. */ 374 uint64_t kf_sock_pcb; 375 /* Obsolete! May be reused as a spare. */ 376 uint64_t kf_sock_inpcb; 377 /* Address of unp_conn. */ 378 uint64_t kf_sock_unpconn; 379 /* Send buffer state. */ 380 uint16_t kf_sock_snd_sb_state; 381 /* Receive buffer state. */ 382 uint16_t kf_sock_rcv_sb_state; 383 /* Recvq size. */ 384 uint32_t kf_sock_recvq; 385 } kf_sock; 386 struct { 387 /* Vnode type. */ 388 int kf_file_type; 389 /* Space for future use */ 390 int kf_spareint[3]; 391 uint64_t kf_spareint64[29]; 392 /* Number of references to file. */ 393 uint64_t kf_file_nlink; 394 /* Vnode filesystem id. */ 395 uint64_t kf_file_fsid; 396 /* File device. */ 397 uint64_t kf_file_rdev; 398 /* Global file id. */ 399 uint64_t kf_file_fileid; 400 /* File size. */ 401 uint64_t kf_file_size; 402 /* Vnode filesystem id, FreeBSD 11 compat. */ 403 uint32_t kf_file_fsid_freebsd11; 404 /* File device, FreeBSD 11 compat. */ 405 uint32_t kf_file_rdev_freebsd11; 406 /* File mode. */ 407 uint16_t kf_file_mode; 408 /* Round to 64 bit alignment. */ 409 uint16_t kf_file_pad0; 410 uint32_t kf_file_pad1; 411 } kf_file; 412 struct { 413 uint32_t kf_spareint[4]; 414 uint64_t kf_spareint64[32]; 415 uint32_t kf_sem_value; 416 uint16_t kf_sem_mode; 417 } kf_sem; 418 struct { 419 uint32_t kf_spareint[4]; 420 uint64_t kf_spareint64[32]; 421 uint64_t kf_pipe_addr; 422 uint64_t kf_pipe_peer; 423 uint32_t kf_pipe_buffer_cnt; 424 uint32_t kf_pipe_buffer_in; 425 uint32_t kf_pipe_buffer_out; 426 uint32_t kf_pipe_buffer_size; 427 } kf_pipe; 428 struct { 429 uint32_t kf_spareint[4]; 430 uint64_t kf_spareint64[32]; 431 uint32_t kf_pts_dev_freebsd11; 432 uint32_t kf_pts_pad0; 433 uint64_t kf_pts_dev; 434 /* Round to 64 bit alignment. */ 435 uint32_t kf_pts_pad1[4]; 436 } kf_pts; 437 struct { 438 uint32_t kf_spareint[4]; 439 uint64_t kf_spareint64[32]; 440 pid_t kf_pid; 441 } kf_proc; 442 struct { 443 uint64_t kf_eventfd_value; 444 uint32_t kf_eventfd_flags; 445 uint32_t kf_eventfd_spareint[3]; 446 uint64_t kf_eventfd_addr; 447 } kf_eventfd; 448 struct { 449 uint32_t kf_timerfd_clockid; 450 uint32_t kf_timerfd_flags; 451 uint64_t kf_timerfd_addr; 452 } kf_timerfd; 453 struct { 454 uint64_t kf_kqueue_addr; 455 int32_t kf_kqueue_count; 456 int32_t kf_kqueue_state; 457 } kf_kqueue; 458 } kf_un; 459 }; 460 uint16_t kf_status; /* Status flags. */ 461 uint16_t kf_pad1; /* Round to 32 bit alignment. */ 462 int _kf_ispare0; /* Space for more stuff. */ 463 cap_rights_t kf_cap_rights; /* Capability rights. */ 464 uint64_t _kf_cap_spare; /* Space for future cap_rights_t. */ 465 /* Truncated before copyout in sysctl */ 466 char kf_path[PATH_MAX]; /* Path to file, if any. */ 467 }; 468 469 struct kinfo_lockf { 470 int kl_structsize; /* Variable size of record. */ 471 int kl_rw; 472 int kl_type; 473 int kl_pid; 474 int kl_sysid; 475 int kl_pad0; 476 uint64_t kl_file_fsid; 477 uint64_t kl_file_rdev; 478 uint64_t kl_file_fileid; 479 off_t kl_start; 480 off_t kl_len; /* len == 0 till the EOF */ 481 char kl_path[PATH_MAX]; 482 }; 483 484 #define KLOCKF_RW_READ 0x01 485 #define KLOCKF_RW_WRITE 0x02 486 487 #define KLOCKF_TYPE_FLOCK 0x01 488 #define KLOCKF_TYPE_PID 0x02 489 #define KLOCKF_TYPE_REMOTE 0x03 490 491 /* 492 * The KERN_PROC_VMMAP sysctl allows a process to dump the VM layout of 493 * another process as a series of entries. 494 */ 495 #define KVME_TYPE_NONE 0 496 #define KVME_TYPE_DEFAULT 1 /* no longer returned */ 497 #define KVME_TYPE_VNODE 2 498 #define KVME_TYPE_SWAP 3 499 #define KVME_TYPE_DEVICE 4 500 #define KVME_TYPE_PHYS 5 501 #define KVME_TYPE_DEAD 6 502 #define KVME_TYPE_SG 7 503 #define KVME_TYPE_MGTDEVICE 8 504 #define KVME_TYPE_GUARD 9 505 #define KVME_TYPE_UNKNOWN 255 506 507 #define KVME_PROT_READ 0x00000001 508 #define KVME_PROT_WRITE 0x00000002 509 #define KVME_PROT_EXEC 0x00000004 510 #define KVME_MAX_PROT_READ 0x00010000 511 #define KVME_MAX_PROT_WRITE 0x00020000 512 #define KVME_MAX_PROT_EXEC 0x00040000 513 514 #define KVME_FLAG_COW 0x00000001 515 #define KVME_FLAG_NEEDS_COPY 0x00000002 516 #define KVME_FLAG_NOCOREDUMP 0x00000004 517 #define KVME_FLAG_SUPER 0x00000008 518 #define KVME_FLAG_GROWS_UP 0x00000010 519 #define KVME_FLAG_GROWS_DOWN 0x00000020 520 #define KVME_FLAG_USER_WIRED 0x00000040 521 #define KVME_FLAG_SYSVSHM 0x00000080 522 #define KVME_FLAG_POSIXSHM 0x00000100 523 524 #if defined(__amd64__) 525 #define KINFO_OVMENTRY_SIZE 1168 526 #endif 527 #if defined(__i386__) 528 #define KINFO_OVMENTRY_SIZE 1128 529 #endif 530 531 struct kinfo_ovmentry { 532 int kve_structsize; /* Size of kinfo_vmmapentry. */ 533 int kve_type; /* Type of map entry. */ 534 void *kve_start; /* Starting address. */ 535 void *kve_end; /* Finishing address. */ 536 int kve_flags; /* Flags on map entry. */ 537 int kve_resident; /* Number of resident pages. */ 538 int kve_private_resident; /* Number of private pages. */ 539 int kve_protection; /* Protection bitmask. */ 540 int kve_ref_count; /* VM obj ref count. */ 541 int kve_shadow_count; /* VM obj shadow count. */ 542 char kve_path[PATH_MAX]; /* Path to VM obj, if any. */ 543 void *_kve_pspare[8]; /* Space for more stuff. */ 544 off_t kve_offset; /* Mapping offset in object */ 545 uint64_t kve_fileid; /* inode number if vnode */ 546 uint32_t kve_fsid; /* dev_t of vnode location */ 547 int _kve_ispare[3]; /* Space for more stuff. */ 548 }; 549 550 #if defined(__amd64__) || defined(__i386__) 551 #define KINFO_VMENTRY_SIZE 1160 552 #endif 553 554 struct kinfo_vmentry { 555 int kve_structsize; /* Variable size of record. */ 556 int kve_type; /* Type of map entry. */ 557 uint64_t kve_start; /* Starting address. */ 558 uint64_t kve_end; /* Finishing address. */ 559 uint64_t kve_offset; /* Mapping offset in object */ 560 uint64_t kve_vn_fileid; /* inode number if vnode */ 561 uint32_t kve_vn_fsid_freebsd11; /* dev_t of vnode location */ 562 int kve_flags; /* Flags on map entry. */ 563 int kve_resident; /* Number of resident pages. */ 564 int kve_private_resident; /* Number of private pages. */ 565 int kve_protection; /* Protection bitmask. */ 566 int kve_ref_count; /* VM obj ref count. */ 567 int kve_shadow_count; /* VM obj shadow count. */ 568 int kve_vn_type; /* Vnode type. */ 569 uint64_t kve_vn_size; /* File size. */ 570 uint32_t kve_vn_rdev_freebsd11; /* Device id if device. */ 571 uint16_t kve_vn_mode; /* File mode. */ 572 uint16_t kve_status; /* Status flags. */ 573 union { 574 uint64_t _kve_vn_fsid; /* dev_t of vnode location */ 575 uint64_t _kve_obj; /* handle of anon obj */ 576 } kve_type_spec; 577 uint64_t kve_vn_rdev; /* Device id if device. */ 578 int _kve_ispare[8]; /* Space for more stuff. */ 579 /* Truncated before copyout in sysctl */ 580 char kve_path[PATH_MAX]; /* Path to VM obj, if any. */ 581 }; 582 #define kve_vn_fsid kve_type_spec._kve_vn_fsid 583 #define kve_obj kve_type_spec._kve_obj 584 585 #define KVMO_FLAG_SYSVSHM 0x0001 586 #define KVMO_FLAG_POSIXSHM 0x0002 587 588 /* 589 * The "vm.objects" sysctl provides a list of all VM objects in the system 590 * via an array of these entries. 591 */ 592 struct kinfo_vmobject { 593 int kvo_structsize; /* Variable size of record. */ 594 int kvo_type; /* Object type: KVME_TYPE_*. */ 595 uint64_t kvo_size; /* Object size in pages. */ 596 uint64_t kvo_vn_fileid; /* inode number if vnode. */ 597 uint32_t kvo_vn_fsid_freebsd11; /* dev_t of vnode location. */ 598 int kvo_ref_count; /* Reference count. */ 599 int kvo_shadow_count; /* Shadow count. */ 600 int kvo_memattr; /* Memory attribute. */ 601 uint64_t kvo_resident; /* Number of resident pages. */ 602 uint64_t kvo_active; /* Number of active pages. */ 603 uint64_t kvo_inactive; /* Number of inactive pages. */ 604 union { 605 uint64_t _kvo_vn_fsid; 606 uint64_t _kvo_backing_obj; /* Handle for the backing obj */ 607 } kvo_type_spec; /* Type-specific union */ 608 uint64_t kvo_me; /* Uniq handle for anon obj */ 609 uint64_t kvo_laundry; /* Number of laundry pages. */ 610 uint64_t _kvo_qspare[5]; 611 uint32_t kvo_swapped; /* Number of swapped pages */ 612 uint32_t kvo_flags; 613 uint32_t _kvo_ispare[6]; 614 char kvo_path[PATH_MAX]; /* Pathname, if any. */ 615 }; 616 #define kvo_vn_fsid kvo_type_spec._kvo_vn_fsid 617 #define kvo_backing_obj kvo_type_spec._kvo_backing_obj 618 619 /* 620 * The KERN_PROC_KSTACK sysctl allows a process to dump the kernel stacks of 621 * another process as a series of entries. Each stack is represented by a 622 * series of symbol names and offsets as generated by stack_sbuf_print(9). 623 */ 624 #define KKST_MAXLEN 1024 625 626 #define KKST_STATE_STACKOK 0 /* Stack is valid. */ 627 #define KKST_STATE_SWAPPED 1 /* Stack swapped out, obsolete. */ 628 #define KKST_STATE_RUNNING 2 /* Stack ephemeral. */ 629 630 #if defined(__amd64__) || defined(__i386__) 631 #define KINFO_KSTACK_SIZE 1096 632 #endif 633 634 struct kinfo_kstack { 635 lwpid_t kkst_tid; /* ID of thread. */ 636 int kkst_state; /* Validity of stack. */ 637 char kkst_trace[KKST_MAXLEN]; /* String representing stack. */ 638 int _kkst_ispare[16]; /* Space for more stuff. */ 639 }; 640 641 struct kinfo_sigtramp { 642 void *ksigtramp_start; 643 void *ksigtramp_end; 644 void *ksigtramp_spare[4]; 645 }; 646 647 #define KMAP_FLAG_WIREFUTURE 0x01 /* all future mappings wil be wired */ 648 #define KMAP_FLAG_ASLR 0x02 /* ASLR is applied to mappings */ 649 #define KMAP_FLAG_ASLR_IGNSTART 0x04 /* ASLR may map into sbrk grow region */ 650 #define KMAP_FLAG_WXORX 0x08 /* W^X mapping policy is enforced */ 651 #define KMAP_FLAG_ASLR_STACK 0x10 /* the stack location is randomized */ 652 #define KMAP_FLAG_ASLR_SHARED_PAGE 0x20 /* the shared page location is randomized */ 653 654 struct kinfo_vm_layout { 655 uintptr_t kvm_min_user_addr; 656 uintptr_t kvm_max_user_addr; 657 uintptr_t kvm_text_addr; 658 size_t kvm_text_size; 659 uintptr_t kvm_data_addr; 660 size_t kvm_data_size; 661 uintptr_t kvm_stack_addr; 662 size_t kvm_stack_size; 663 int kvm_map_flags; 664 uintptr_t kvm_shp_addr; 665 size_t kvm_shp_size; 666 uintptr_t kvm_spare[12]; 667 }; 668 669 #define KNOTE_STATUS_ACTIVE 0x00000001 670 #define KNOTE_STATUS_QUEUED 0x00000002 671 #define KNOTE_STATUS_DISABLED 0x00000004 672 #define KNOTE_STATUS_DETACHED 0x00000008 673 #define KNOTE_STATUS_KQUEUE 0x00000010 674 675 #define KNOTE_EXTDATA_NONE 0 676 #define KNOTE_EXTDATA_VNODE 1 677 #define KNOTE_EXTDATA_PIPE 2 678 679 struct kinfo_knote { 680 struct kevent knt_event; 681 int knt_status; 682 int knt_extdata; 683 union { 684 struct { 685 int knt_vnode_type; 686 uint64_t knt_vnode_fsid; 687 uint64_t knt_vnode_fileid; 688 char knt_vnode_fullpath[PATH_MAX]; 689 } knt_vnode; 690 struct { 691 ino_t knt_pipe_ino; 692 } knt_pipe; 693 }; 694 }; 695 696 #ifdef _KERNEL 697 /* Flags for kern_proc_out function. */ 698 #define KERN_PROC_NOTHREADS 0x1 699 #define KERN_PROC_MASK32 0x2 700 701 /* Flags for kern_proc_filedesc_out. */ 702 #define KERN_FILEDESC_PACK_KINFO 0x00000001U 703 704 /* Flags for kern_proc_vmmap_out. */ 705 #define KERN_VMMAP_PACK_KINFO 0x00000001U 706 struct sbuf; 707 708 /* 709 * The kern_proc out functions are helper functions to dump process 710 * miscellaneous kinfo structures to sbuf. The main consumers are KERN_PROC 711 * sysctls but they may also be used by other kernel subsystems. 712 * 713 * The functions manipulate the process locking state and expect the process 714 * to be locked on enter. On return the process is unlocked. 715 */ 716 717 int kern_proc_filedesc_out(struct proc *p, struct sbuf *sb, ssize_t maxlen, 718 int flags); 719 int kern_proc_cwd_out(struct proc *p, struct sbuf *sb, ssize_t maxlen); 720 int kern_proc_out(struct proc *p, struct sbuf *sb, int flags); 721 int kern_proc_vmmap_out(struct proc *p, struct sbuf *sb, ssize_t maxlen, 722 int flags); 723 724 int vntype_to_kinfo(int vtype); 725 void pack_kinfo(struct kinfo_file *kif); 726 #endif /* !_KERNEL */ 727 728 #endif 729