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/time.h> 42 #include <sys/resource.h> 43 #include <sys/ucred.h> 44 #include <sys/uio.h> 45 #include <sys/queue.h> 46 #include <sys/_lock.h> 47 #include <sys/_mutex.h> 48 #include <sys/proc.h> 49 #include <vm/vm.h> /* XXX */ 50 #include <vm/vm_param.h> /* XXX */ 51 #include <vm/pmap.h> /* XXX */ 52 #include <vm/vm_map.h> /* XXX */ 53 #endif /* !_KERNEL */ 54 #ifndef _SYS_RESOURCEVAR_H_ 55 #include <sys/resourcevar.h> 56 #endif 57 #ifndef _SYS_SIGNALVAR_H_ 58 #include <sys/signalvar.h> 59 #endif 60 #ifndef _SYS_SOCKET_VAR_H_ 61 #include <sys/socket.h> 62 #endif 63 #include <sys/caprights.h> 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 2 87 #define KI_NSPARE_LONG 12 88 #define KI_NSPARE_PTR 5 89 90 #ifndef _KERNEL 91 #ifndef KINFO_PROC_SIZE 92 #error "Unknown architecture" 93 #endif 94 #endif /* !_KERNEL */ 95 96 #define WMESGLEN 8 /* size of returned wchan message */ 97 #define LOCKNAMELEN 8 /* size of returned lock name */ 98 #define TDNAMLEN 16 /* size of returned thread name */ 99 #define COMMLEN 19 /* size of returned ki_comm name */ 100 #define KI_EMULNAMELEN 16 /* size of returned ki_emul */ 101 #define KI_NGROUPS 16 /* number of groups in ki_groups */ 102 #define LOGNAMELEN 17 /* size of returned ki_login */ 103 #define LOGINCLASSLEN 17 /* size of returned ki_loginclass */ 104 105 #ifndef BURN_BRIDGES 106 #define OCOMMLEN TDNAMLEN 107 #define ki_ocomm ki_tdname 108 #endif 109 110 /* Flags for the process credential. */ 111 #define KI_CRF_CAPABILITY_MODE 0x00000001 112 /* 113 * Steal a bit from ki_cr_flags to indicate that the cred had more than 114 * KI_NGROUPS groups. 115 */ 116 #define KI_CRF_GRP_OVERFLOW 0x80000000 117 118 struct kinfo_proc { 119 int ki_structsize; /* size of this structure */ 120 int ki_layout; /* reserved: layout identifier */ 121 struct pargs *ki_args; /* address of command arguments */ 122 struct proc *ki_paddr; /* address of proc */ 123 struct user *ki_addr; /* kernel virtual addr of u-area */ 124 struct vnode *ki_tracep; /* pointer to trace file */ 125 struct vnode *ki_textvp; /* pointer to executable file */ 126 struct filedesc *ki_fd; /* pointer to open file info */ 127 struct vmspace *ki_vmspace; /* pointer to kernel vmspace struct */ 128 const void *ki_wchan; /* sleep address */ 129 pid_t ki_pid; /* Process identifier */ 130 pid_t ki_ppid; /* parent process id */ 131 pid_t ki_pgid; /* process group id */ 132 pid_t ki_tpgid; /* tty process group id */ 133 pid_t ki_sid; /* Process session ID */ 134 pid_t ki_tsid; /* Terminal session ID */ 135 short ki_jobc; /* job control counter */ 136 short ki_spare_short1; /* unused (just here for alignment) */ 137 uint32_t ki_tdev_freebsd11; /* controlling tty dev */ 138 sigset_t ki_siglist; /* Signals arrived but not delivered */ 139 sigset_t ki_sigmask; /* Current signal mask */ 140 sigset_t ki_sigignore; /* Signals being ignored */ 141 sigset_t ki_sigcatch; /* Signals being caught by user */ 142 uid_t ki_uid; /* effective user id */ 143 uid_t ki_ruid; /* Real user id */ 144 uid_t ki_svuid; /* Saved effective user id */ 145 gid_t ki_rgid; /* Real group id */ 146 gid_t ki_svgid; /* Saved effective group id */ 147 short ki_ngroups; /* number of groups */ 148 short ki_spare_short2; /* unused (just here for alignment) */ 149 gid_t ki_groups[KI_NGROUPS]; /* groups */ 150 vm_size_t ki_size; /* virtual size */ 151 segsz_t ki_rssize; /* current resident set size in pages */ 152 segsz_t ki_swrss; /* resident set size before last swap */ 153 segsz_t ki_tsize; /* text size (pages) XXX */ 154 segsz_t ki_dsize; /* data size (pages) XXX */ 155 segsz_t ki_ssize; /* stack size (pages) */ 156 u_short ki_xstat; /* Exit status for wait & stop signal */ 157 u_short ki_acflag; /* Accounting flags */ 158 fixpt_t ki_pctcpu; /* %cpu for process during ki_swtime */ 159 u_int ki_estcpu; /* Time averaged value of ki_cpticks */ 160 u_int ki_slptime; /* Time since last blocked */ 161 u_int ki_swtime; /* Time swapped in or out */ 162 u_int ki_cow; /* number of copy-on-write faults */ 163 u_int64_t ki_runtime; /* Real time in microsec */ 164 struct timeval ki_start; /* starting time */ 165 struct timeval ki_childtime; /* time used by process children */ 166 long ki_flag; /* P_* flags */ 167 long ki_kiflag; /* KI_* flags (below) */ 168 int ki_traceflag; /* Kernel trace points */ 169 char ki_stat; /* S* process status */ 170 signed char ki_nice; /* Process "nice" value */ 171 char ki_lock; /* Process lock (prevent swap) count */ 172 char ki_rqindex; /* Run queue index */ 173 u_char ki_oncpu_old; /* Which cpu we are on (legacy) */ 174 u_char ki_lastcpu_old; /* Last cpu we were on (legacy) */ 175 char ki_tdname[TDNAMLEN+1]; /* thread name */ 176 char ki_wmesg[WMESGLEN+1]; /* wchan message */ 177 char ki_login[LOGNAMELEN+1]; /* setlogin name */ 178 char ki_lockname[LOCKNAMELEN+1]; /* lock name */ 179 char ki_comm[COMMLEN+1]; /* command name */ 180 char ki_emul[KI_EMULNAMELEN+1]; /* emulation name */ 181 char ki_loginclass[LOGINCLASSLEN+1]; /* login class */ 182 char ki_moretdname[MAXCOMLEN-TDNAMLEN+1]; /* more thread name */ 183 /* 184 * When adding new variables, take space for char-strings from the 185 * front of ki_sparestrings, and ints from the end of ki_spareints. 186 * That way the spare room from both arrays will remain contiguous. 187 */ 188 char ki_sparestrings[46]; /* spare string space */ 189 int ki_spareints[KI_NSPARE_INT]; /* spare room for growth */ 190 uint64_t ki_tdev; /* controlling tty dev */ 191 int ki_oncpu; /* Which cpu we are on */ 192 int ki_lastcpu; /* Last cpu we were on */ 193 int ki_tracer; /* Pid of tracing process */ 194 int ki_flag2; /* P2_* flags */ 195 int ki_fibnum; /* Default FIB number */ 196 u_int ki_cr_flags; /* Credential flags */ 197 int ki_jid; /* Process jail ID */ 198 int ki_numthreads; /* XXXKSE number of threads in total */ 199 lwpid_t ki_tid; /* XXXKSE thread id */ 200 struct priority ki_pri; /* process priority */ 201 struct rusage ki_rusage; /* process rusage statistics */ 202 /* XXX - most fields in ki_rusage_ch are not (yet) filled in */ 203 struct rusage ki_rusage_ch; /* rusage of children processes */ 204 struct pcb *ki_pcb; /* kernel virtual addr of pcb */ 205 void *ki_kstack; /* kernel virtual addr of stack */ 206 void *ki_udata; /* User convenience pointer */ 207 struct thread *ki_tdaddr; /* address of thread */ 208 /* 209 * When adding new variables, take space for pointers from the 210 * front of ki_spareptrs, and longs from the end of ki_sparelongs. 211 * That way the spare room from both arrays will remain contiguous. 212 */ 213 struct pwddesc *ki_pd; /* pointer to process paths info */ 214 void *ki_spareptrs[KI_NSPARE_PTR]; /* spare room for growth */ 215 long ki_sparelongs[KI_NSPARE_LONG]; /* spare room for growth */ 216 long ki_sflag; /* PS_* flags */ 217 long ki_tdflags; /* XXXKSE kthread flag */ 218 }; 219 void fill_kinfo_proc(struct proc *, struct kinfo_proc *); 220 /* XXX - the following two defines are temporary */ 221 #define ki_childstime ki_rusage_ch.ru_stime 222 #define ki_childutime ki_rusage_ch.ru_utime 223 224 /* 225 * Legacy PS_ flag. This moved to p_flag but is maintained for 226 * compatibility. 227 */ 228 #define PS_INMEM 0x00001 /* Loaded into memory. */ 229 230 /* ki_sessflag values */ 231 #define KI_CTTY 0x00000001 /* controlling tty vnode active */ 232 #define KI_SLEADER 0x00000002 /* session leader */ 233 #define KI_LOCKBLOCK 0x00000004 /* proc blocked on lock ki_lockname */ 234 235 /* 236 * This used to be the per-process structure containing data that 237 * isn't needed in core when the process is swapped out, but now it 238 * remains only for the benefit of a.out core dumps. 239 */ 240 struct user { 241 struct pstats u_stats; /* *p_stats */ 242 struct kinfo_proc u_kproc; /* eproc */ 243 }; 244 245 /* 246 * The KERN_PROC_FILE sysctl allows a process to dump the file descriptor 247 * array of another process. 248 */ 249 #define KF_ATTR_VALID 0x0001 250 251 #define KF_TYPE_NONE 0 252 #define KF_TYPE_VNODE 1 253 #define KF_TYPE_SOCKET 2 254 #define KF_TYPE_PIPE 3 255 #define KF_TYPE_FIFO 4 256 #define KF_TYPE_KQUEUE 5 257 /* was KF_TYPE_CRYPTO 6 */ 258 #define KF_TYPE_MQUEUE 7 259 #define KF_TYPE_SHM 8 260 #define KF_TYPE_SEM 9 261 #define KF_TYPE_PTS 10 262 #define KF_TYPE_PROCDESC 11 263 #define KF_TYPE_DEV 12 264 #define KF_TYPE_EVENTFD 13 265 #define KF_TYPE_TIMERFD 14 266 #define KF_TYPE_UNKNOWN 255 267 268 #define KF_VTYPE_VNON 0 269 #define KF_VTYPE_VREG 1 270 #define KF_VTYPE_VDIR 2 271 #define KF_VTYPE_VBLK 3 272 #define KF_VTYPE_VCHR 4 273 #define KF_VTYPE_VLNK 5 274 #define KF_VTYPE_VSOCK 6 275 #define KF_VTYPE_VFIFO 7 276 #define KF_VTYPE_VBAD 8 277 #define KF_VTYPE_UNKNOWN 255 278 279 #define KF_FD_TYPE_CWD -1 /* Current working directory */ 280 #define KF_FD_TYPE_ROOT -2 /* Root directory */ 281 #define KF_FD_TYPE_JAIL -3 /* Jail directory */ 282 #define KF_FD_TYPE_TRACE -4 /* Ktrace vnode */ 283 #define KF_FD_TYPE_TEXT -5 /* Text vnode */ 284 #define KF_FD_TYPE_CTTY -6 /* Controlling terminal */ 285 286 #define KF_FLAG_READ 0x00000001 287 #define KF_FLAG_WRITE 0x00000002 288 #define KF_FLAG_APPEND 0x00000004 289 #define KF_FLAG_ASYNC 0x00000008 290 #define KF_FLAG_FSYNC 0x00000010 291 #define KF_FLAG_NONBLOCK 0x00000020 292 #define KF_FLAG_DIRECT 0x00000040 293 #define KF_FLAG_HASLOCK 0x00000080 294 #define KF_FLAG_SHLOCK 0x00000100 295 #define KF_FLAG_EXLOCK 0x00000200 296 #define KF_FLAG_NOFOLLOW 0x00000400 297 #define KF_FLAG_CREAT 0x00000800 298 #define KF_FLAG_TRUNC 0x00001000 299 #define KF_FLAG_EXCL 0x00002000 300 #define KF_FLAG_EXEC 0x00004000 301 302 /* 303 * Old format. Has variable hidden padding due to alignment. 304 * This is a compatibility hack for pre-build 7.1 packages. 305 */ 306 #if defined(__amd64__) 307 #define KINFO_OFILE_SIZE 1328 308 #endif 309 #if defined(__i386__) 310 #define KINFO_OFILE_SIZE 1324 311 #endif 312 313 struct kinfo_ofile { 314 int kf_structsize; /* Size of kinfo_file. */ 315 int kf_type; /* Descriptor type. */ 316 int kf_fd; /* Array index. */ 317 int kf_ref_count; /* Reference count. */ 318 int kf_flags; /* Flags. */ 319 /* XXX Hidden alignment padding here on amd64 */ 320 off_t kf_offset; /* Seek location. */ 321 int kf_vnode_type; /* Vnode type. */ 322 int kf_sock_domain; /* Socket domain. */ 323 int kf_sock_type; /* Socket type. */ 324 int kf_sock_protocol; /* Socket protocol. */ 325 char kf_path[PATH_MAX]; /* Path to file, if any. */ 326 struct sockaddr_storage kf_sa_local; /* Socket address. */ 327 struct sockaddr_storage kf_sa_peer; /* Peer address. */ 328 }; 329 330 #if defined(__amd64__) || defined(__i386__) 331 /* 332 * This size should never be changed. If you really need to, you must provide 333 * backward ABI compatibility by allocating a new sysctl MIB that will return 334 * the new structure. The current structure has to be returned by the current 335 * sysctl MIB. See how it is done for the kinfo_ofile structure. 336 */ 337 #define KINFO_FILE_SIZE 1392 338 #endif 339 340 struct kinfo_file { 341 int kf_structsize; /* Variable size of record. */ 342 int kf_type; /* Descriptor type. */ 343 int kf_fd; /* Array index. */ 344 int kf_ref_count; /* Reference count. */ 345 int kf_flags; /* Flags. */ 346 int kf_pad0; /* Round to 64 bit alignment. */ 347 int64_t kf_offset; /* Seek location. */ 348 union { 349 struct { 350 /* API compatibility with FreeBSD < 12. */ 351 int kf_vnode_type; 352 int kf_sock_domain; 353 int kf_sock_type; 354 int kf_sock_protocol; 355 struct sockaddr_storage kf_sa_local; 356 struct sockaddr_storage kf_sa_peer; 357 }; 358 union { 359 struct { 360 /* Sendq size */ 361 uint32_t kf_sock_sendq; 362 /* Socket domain. */ 363 int kf_sock_domain0; 364 /* Socket type. */ 365 int kf_sock_type0; 366 /* Socket protocol. */ 367 int kf_sock_protocol0; 368 /* Socket address. */ 369 struct sockaddr_storage kf_sa_local; 370 /* Peer address. */ 371 struct sockaddr_storage kf_sa_peer; 372 /* Address of so_pcb. */ 373 uint64_t kf_sock_pcb; 374 /* Address of inp_ppcb. */ 375 uint64_t kf_sock_inpcb; 376 /* Address of unp_conn. */ 377 uint64_t kf_sock_unpconn; 378 /* Send buffer state. */ 379 uint16_t kf_sock_snd_sb_state; 380 /* Receive buffer state. */ 381 uint16_t kf_sock_rcv_sb_state; 382 /* Recvq size. */ 383 uint32_t kf_sock_recvq; 384 } kf_sock; 385 struct { 386 /* Vnode type. */ 387 int kf_file_type; 388 /* Space for future use */ 389 int kf_spareint[3]; 390 uint64_t kf_spareint64[29]; 391 /* Number of references to file. */ 392 uint64_t kf_file_nlink; 393 /* Vnode filesystem id. */ 394 uint64_t kf_file_fsid; 395 /* File device. */ 396 uint64_t kf_file_rdev; 397 /* Global file id. */ 398 uint64_t kf_file_fileid; 399 /* File size. */ 400 uint64_t kf_file_size; 401 /* Vnode filesystem id, FreeBSD 11 compat. */ 402 uint32_t kf_file_fsid_freebsd11; 403 /* File device, FreeBSD 11 compat. */ 404 uint32_t kf_file_rdev_freebsd11; 405 /* File mode. */ 406 uint16_t kf_file_mode; 407 /* Round to 64 bit alignment. */ 408 uint16_t kf_file_pad0; 409 uint32_t kf_file_pad1; 410 } kf_file; 411 struct { 412 uint32_t kf_spareint[4]; 413 uint64_t kf_spareint64[32]; 414 uint32_t kf_sem_value; 415 uint16_t kf_sem_mode; 416 } kf_sem; 417 struct { 418 uint32_t kf_spareint[4]; 419 uint64_t kf_spareint64[32]; 420 uint64_t kf_pipe_addr; 421 uint64_t kf_pipe_peer; 422 uint32_t kf_pipe_buffer_cnt; 423 uint32_t kf_pipe_buffer_in; 424 uint32_t kf_pipe_buffer_out; 425 uint32_t kf_pipe_buffer_size; 426 } kf_pipe; 427 struct { 428 uint32_t kf_spareint[4]; 429 uint64_t kf_spareint64[32]; 430 uint32_t kf_pts_dev_freebsd11; 431 uint32_t kf_pts_pad0; 432 uint64_t kf_pts_dev; 433 /* Round to 64 bit alignment. */ 434 uint32_t kf_pts_pad1[4]; 435 } kf_pts; 436 struct { 437 uint32_t kf_spareint[4]; 438 uint64_t kf_spareint64[32]; 439 pid_t kf_pid; 440 } kf_proc; 441 struct { 442 uint64_t kf_eventfd_value; 443 uint32_t kf_eventfd_flags; 444 uint32_t kf_eventfd_spareint[3]; 445 uint64_t kf_eventfd_addr; 446 } kf_eventfd; 447 struct { 448 uint32_t kf_timerfd_clockid; 449 uint32_t kf_timerfd_flags; 450 uint64_t kf_timerfd_addr; 451 } kf_timerfd; 452 struct { 453 uint64_t kf_kqueue_addr; 454 int32_t kf_kqueue_count; 455 int32_t kf_kqueue_state; 456 } kf_kqueue; 457 } kf_un; 458 }; 459 uint16_t kf_status; /* Status flags. */ 460 uint16_t kf_pad1; /* Round to 32 bit alignment. */ 461 int _kf_ispare0; /* Space for more stuff. */ 462 cap_rights_t kf_cap_rights; /* Capability rights. */ 463 uint64_t _kf_cap_spare; /* Space for future cap_rights_t. */ 464 /* Truncated before copyout in sysctl */ 465 char kf_path[PATH_MAX]; /* Path to file, if any. */ 466 }; 467 468 struct kinfo_lockf { 469 int kl_structsize; /* Variable size of record. */ 470 int kl_rw; 471 int kl_type; 472 int kl_pid; 473 int kl_sysid; 474 int kl_pad0; 475 uint64_t kl_file_fsid; 476 uint64_t kl_file_rdev; 477 uint64_t kl_file_fileid; 478 off_t kl_start; 479 off_t kl_len; /* len == 0 till the EOF */ 480 char kl_path[PATH_MAX]; 481 }; 482 483 #define KLOCKF_RW_READ 0x01 484 #define KLOCKF_RW_WRITE 0x02 485 486 #define KLOCKF_TYPE_FLOCK 0x01 487 #define KLOCKF_TYPE_PID 0x02 488 #define KLOCKF_TYPE_REMOTE 0x03 489 490 /* 491 * The KERN_PROC_VMMAP sysctl allows a process to dump the VM layout of 492 * another process as a series of entries. 493 */ 494 #define KVME_TYPE_NONE 0 495 #define KVME_TYPE_DEFAULT 1 /* no longer returned */ 496 #define KVME_TYPE_VNODE 2 497 #define KVME_TYPE_SWAP 3 498 #define KVME_TYPE_DEVICE 4 499 #define KVME_TYPE_PHYS 5 500 #define KVME_TYPE_DEAD 6 501 #define KVME_TYPE_SG 7 502 #define KVME_TYPE_MGTDEVICE 8 503 #define KVME_TYPE_GUARD 9 504 #define KVME_TYPE_UNKNOWN 255 505 506 #define KVME_PROT_READ 0x00000001 507 #define KVME_PROT_WRITE 0x00000002 508 #define KVME_PROT_EXEC 0x00000004 509 510 #define KVME_FLAG_COW 0x00000001 511 #define KVME_FLAG_NEEDS_COPY 0x00000002 512 #define KVME_FLAG_NOCOREDUMP 0x00000004 513 #define KVME_FLAG_SUPER 0x00000008 514 #define KVME_FLAG_GROWS_UP 0x00000010 515 #define KVME_FLAG_GROWS_DOWN 0x00000020 516 #define KVME_FLAG_USER_WIRED 0x00000040 517 518 #if defined(__amd64__) 519 #define KINFO_OVMENTRY_SIZE 1168 520 #endif 521 #if defined(__i386__) 522 #define KINFO_OVMENTRY_SIZE 1128 523 #endif 524 525 struct kinfo_ovmentry { 526 int kve_structsize; /* Size of kinfo_vmmapentry. */ 527 int kve_type; /* Type of map entry. */ 528 void *kve_start; /* Starting address. */ 529 void *kve_end; /* Finishing address. */ 530 int kve_flags; /* Flags on map entry. */ 531 int kve_resident; /* Number of resident pages. */ 532 int kve_private_resident; /* Number of private pages. */ 533 int kve_protection; /* Protection bitmask. */ 534 int kve_ref_count; /* VM obj ref count. */ 535 int kve_shadow_count; /* VM obj shadow count. */ 536 char kve_path[PATH_MAX]; /* Path to VM obj, if any. */ 537 void *_kve_pspare[8]; /* Space for more stuff. */ 538 off_t kve_offset; /* Mapping offset in object */ 539 uint64_t kve_fileid; /* inode number if vnode */ 540 uint32_t kve_fsid; /* dev_t of vnode location */ 541 int _kve_ispare[3]; /* Space for more stuff. */ 542 }; 543 544 #if defined(__amd64__) || defined(__i386__) 545 #define KINFO_VMENTRY_SIZE 1160 546 #endif 547 548 struct kinfo_vmentry { 549 int kve_structsize; /* Variable size of record. */ 550 int kve_type; /* Type of map entry. */ 551 uint64_t kve_start; /* Starting address. */ 552 uint64_t kve_end; /* Finishing address. */ 553 uint64_t kve_offset; /* Mapping offset in object */ 554 uint64_t kve_vn_fileid; /* inode number if vnode */ 555 uint32_t kve_vn_fsid_freebsd11; /* dev_t of vnode location */ 556 int kve_flags; /* Flags on map entry. */ 557 int kve_resident; /* Number of resident pages. */ 558 int kve_private_resident; /* Number of private pages. */ 559 int kve_protection; /* Protection bitmask. */ 560 int kve_ref_count; /* VM obj ref count. */ 561 int kve_shadow_count; /* VM obj shadow count. */ 562 int kve_vn_type; /* Vnode type. */ 563 uint64_t kve_vn_size; /* File size. */ 564 uint32_t kve_vn_rdev_freebsd11; /* Device id if device. */ 565 uint16_t kve_vn_mode; /* File mode. */ 566 uint16_t kve_status; /* Status flags. */ 567 union { 568 uint64_t _kve_vn_fsid; /* dev_t of vnode location */ 569 uint64_t _kve_obj; /* handle of anon obj */ 570 } kve_type_spec; 571 uint64_t kve_vn_rdev; /* Device id if device. */ 572 int _kve_ispare[8]; /* Space for more stuff. */ 573 /* Truncated before copyout in sysctl */ 574 char kve_path[PATH_MAX]; /* Path to VM obj, if any. */ 575 }; 576 #define kve_vn_fsid kve_type_spec._kve_vn_fsid 577 #define kve_obj kve_type_spec._kve_obj 578 579 /* 580 * The "vm.objects" sysctl provides a list of all VM objects in the system 581 * via an array of these entries. 582 */ 583 struct kinfo_vmobject { 584 int kvo_structsize; /* Variable size of record. */ 585 int kvo_type; /* Object type: KVME_TYPE_*. */ 586 uint64_t kvo_size; /* Object size in pages. */ 587 uint64_t kvo_vn_fileid; /* inode number if vnode. */ 588 uint32_t kvo_vn_fsid_freebsd11; /* dev_t of vnode location. */ 589 int kvo_ref_count; /* Reference count. */ 590 int kvo_shadow_count; /* Shadow count. */ 591 int kvo_memattr; /* Memory attribute. */ 592 uint64_t kvo_resident; /* Number of resident pages. */ 593 uint64_t kvo_active; /* Number of active pages. */ 594 uint64_t kvo_inactive; /* Number of inactive pages. */ 595 union { 596 uint64_t _kvo_vn_fsid; 597 uint64_t _kvo_backing_obj; /* Handle for the backing obj */ 598 } kvo_type_spec; /* Type-specific union */ 599 uint64_t kvo_me; /* Uniq handle for anon obj */ 600 uint64_t _kvo_qspare[6]; 601 uint32_t kvo_swapped; /* Number of swapped pages */ 602 uint32_t _kvo_ispare[7]; 603 char kvo_path[PATH_MAX]; /* Pathname, if any. */ 604 }; 605 #define kvo_vn_fsid kvo_type_spec._kvo_vn_fsid 606 #define kvo_backing_obj kvo_type_spec._kvo_backing_obj 607 608 /* 609 * The KERN_PROC_KSTACK sysctl allows a process to dump the kernel stacks of 610 * another process as a series of entries. Each stack is represented by a 611 * series of symbol names and offsets as generated by stack_sbuf_print(9). 612 */ 613 #define KKST_MAXLEN 1024 614 615 #define KKST_STATE_STACKOK 0 /* Stack is valid. */ 616 #define KKST_STATE_SWAPPED 1 /* Stack swapped out. */ 617 #define KKST_STATE_RUNNING 2 /* Stack ephemeral. */ 618 619 #if defined(__amd64__) || defined(__i386__) 620 #define KINFO_KSTACK_SIZE 1096 621 #endif 622 623 struct kinfo_kstack { 624 lwpid_t kkst_tid; /* ID of thread. */ 625 int kkst_state; /* Validity of stack. */ 626 char kkst_trace[KKST_MAXLEN]; /* String representing stack. */ 627 int _kkst_ispare[16]; /* Space for more stuff. */ 628 }; 629 630 struct kinfo_sigtramp { 631 void *ksigtramp_start; 632 void *ksigtramp_end; 633 void *ksigtramp_spare[4]; 634 }; 635 636 #define KMAP_FLAG_WIREFUTURE 0x01 /* all future mappings wil be wired */ 637 #define KMAP_FLAG_ASLR 0x02 /* ASLR is applied to mappings */ 638 #define KMAP_FLAG_ASLR_IGNSTART 0x04 /* ASLR may map into sbrk grow region */ 639 #define KMAP_FLAG_WXORX 0x08 /* W^X mapping policy is enforced */ 640 #define KMAP_FLAG_ASLR_STACK 0x10 /* the stack location is randomized */ 641 #define KMAP_FLAG_ASLR_SHARED_PAGE 0x20 /* the shared page location is randomized */ 642 643 struct kinfo_vm_layout { 644 uintptr_t kvm_min_user_addr; 645 uintptr_t kvm_max_user_addr; 646 uintptr_t kvm_text_addr; 647 size_t kvm_text_size; 648 uintptr_t kvm_data_addr; 649 size_t kvm_data_size; 650 uintptr_t kvm_stack_addr; 651 size_t kvm_stack_size; 652 int kvm_map_flags; 653 uintptr_t kvm_shp_addr; 654 size_t kvm_shp_size; 655 uintptr_t kvm_spare[12]; 656 }; 657 658 #ifdef _KERNEL 659 /* Flags for kern_proc_out function. */ 660 #define KERN_PROC_NOTHREADS 0x1 661 #define KERN_PROC_MASK32 0x2 662 663 /* Flags for kern_proc_filedesc_out. */ 664 #define KERN_FILEDESC_PACK_KINFO 0x00000001U 665 666 /* Flags for kern_proc_vmmap_out. */ 667 #define KERN_VMMAP_PACK_KINFO 0x00000001U 668 struct sbuf; 669 670 /* 671 * The kern_proc out functions are helper functions to dump process 672 * miscellaneous kinfo structures to sbuf. The main consumers are KERN_PROC 673 * sysctls but they may also be used by other kernel subsystems. 674 * 675 * The functions manipulate the process locking state and expect the process 676 * to be locked on enter. On return the process is unlocked. 677 */ 678 679 int kern_proc_filedesc_out(struct proc *p, struct sbuf *sb, ssize_t maxlen, 680 int flags); 681 int kern_proc_cwd_out(struct proc *p, struct sbuf *sb, ssize_t maxlen); 682 int kern_proc_out(struct proc *p, struct sbuf *sb, int flags); 683 int kern_proc_vmmap_out(struct proc *p, struct sbuf *sb, ssize_t maxlen, 684 int flags); 685 686 int vntype_to_kinfo(int vtype); 687 void pack_kinfo(struct kinfo_file *kif); 688 #endif /* !_KERNEL */ 689 690 #endif 691