Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/emulation/linux/i386/linux.h
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1 /*- 2 * Copyright (c) 1994-1996 Søren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD: src/sys/i386/linux/linux.h,v 1.41.2.4 2003/01/06 09:19:43 fjoe Exp $ 29 * $DragonFly: src/sys/emulation/linux/i386/linux.h,v 1.9 2006/10/23 21:50:32 dillon Exp $ 30 */ 31 32 #ifndef _EMULATION_LINUX_ARCH_LINUX_H_ 33 #define _EMULATION_LINUX_ARCH_LINUX_H_ 34 35 #include <sys/signal.h> /* for sigval union */ 36 37 #include "linux_syscall.h" 38 39 /* 40 * debugging support 41 */ 42 extern u_char linux_debug_map[]; 43 #define ldebug(name) isclr(linux_debug_map, LINUX_SYS_linux_ ## name) 44 #define ARGS(nm, fmt) "linux(%ld): "#nm"("fmt")\n", (long)(curthread->td_proc ? curthread->td_proc->p_pid : -1) 45 #define LMSG(fmt) "linux(%ld): "fmt"\n", (long)(curthread->td_proc ? curthread->td_proc->p_pid : -1) 46 47 #if 0 48 #define LINUX_DEBUG 1 49 #endif 50 51 #ifdef MALLOC_DECLARE 52 MALLOC_DECLARE(M_LINUX); 53 #endif 54 55 #define PTRIN(v) (void *)(v) 56 #define PTROUT(v) (l_uintptr_t)(v) 57 58 /* 59 * Provide a separate set of types for the Linux types. 60 */ 61 typedef int l_int; 62 typedef int32_t l_long; 63 typedef int64_t l_longlong; 64 typedef short l_short; 65 typedef unsigned int l_uint; 66 typedef uint32_t l_ulong; 67 typedef uint64_t l_ulonglong; 68 typedef unsigned short l_ushort; 69 70 typedef l_ulong l_uintptr_t; 71 typedef char *l_caddr_t; 72 typedef l_long l_clock_t; 73 typedef l_int l_daddr_t; 74 typedef l_ushort l_dev_t; 75 typedef l_uint l_gid_t; 76 typedef l_ushort l_gid16_t; 77 typedef l_ulong l_ino_t; 78 typedef l_int l_key_t; 79 typedef l_longlong l_loff_t; 80 typedef l_ushort l_mode_t; 81 typedef l_long l_off_t; 82 typedef l_int l_pid_t; 83 typedef l_uint l_size_t; 84 typedef l_long l_suseconds_t; 85 typedef l_long l_time_t; 86 typedef l_uint l_uid_t; 87 typedef l_ushort l_uid16_t; 88 typedef l_int l_timer_t; 89 typedef l_int l_mqd_t; 90 91 typedef struct { 92 l_int val[2]; 93 } l_fsid_t; 94 95 typedef struct { 96 l_time_t tv_sec; 97 l_suseconds_t tv_usec; 98 } l_timeval; 99 100 #define l_fd_set fd_set 101 102 /* 103 * Miscellaneous 104 */ 105 #define LINUX_NAME_MAX 255 106 #define LINUX_MAX_UTSNAME 65 107 108 #define LINUX_CTL_MAXNAME 10 109 110 struct l___sysctl_args 111 { 112 l_int *name; 113 l_int nlen; 114 void *oldval; 115 l_size_t *oldlenp; 116 void *newval; 117 l_size_t newlen; 118 l_ulong __spare[4]; 119 }; 120 121 /* Scheduling policies */ 122 #define LINUX_SCHED_OTHER 0 123 #define LINUX_SCHED_FIFO 1 124 #define LINUX_SCHED_RR 2 125 126 /* Resource limits */ 127 #define LINUX_RLIMIT_CPU 0 128 #define LINUX_RLIMIT_FSIZE 1 129 #define LINUX_RLIMIT_DATA 2 130 #define LINUX_RLIMIT_STACK 3 131 #define LINUX_RLIMIT_CORE 4 132 #define LINUX_RLIMIT_RSS 5 133 #define LINUX_RLIMIT_NPROC 6 134 #define LINUX_RLIMIT_NOFILE 7 135 #define LINUX_RLIMIT_MEMLOCK 8 136 #define LINUX_RLIMIT_AS 9 /* address space limit */ 137 138 #define LINUX_RLIM_NLIMITS 10 139 140 struct l_rlimit { 141 l_ulong rlim_cur; 142 l_ulong rlim_max; 143 }; 144 145 /* mmap options */ 146 #define LINUX_MAP_SHARED 0x0001 147 #define LINUX_MAP_PRIVATE 0x0002 148 #define LINUX_MAP_FIXED 0x0010 149 #define LINUX_MAP_ANON 0x0020 150 #define LINUX_MAP_GROWSDOWN 0x0100 151 152 /* 153 * stat family of syscalls 154 */ 155 struct l_timespec { 156 l_time_t tv_sec; 157 l_long tv_nsec; 158 }; 159 160 struct l_newstat { 161 l_ushort st_dev; 162 l_ushort __pad1; 163 l_ulong st_ino; 164 l_ushort st_mode; 165 l_ushort st_nlink; 166 l_ushort st_uid; 167 l_ushort st_gid; 168 l_ushort st_rdev; 169 l_ushort __pad2; 170 l_ulong st_size; 171 l_ulong st_blksize; 172 l_ulong st_blocks; 173 struct l_timespec st_atimespec; 174 struct l_timespec st_mtimespec; 175 struct l_timespec st_ctimespec; 176 l_ulong __unused4; 177 l_ulong __unused5; 178 }; 179 180 struct l_stat64 { 181 l_ushort st_dev; 182 u_char __pad0[10]; 183 l_ulong __st_ino; 184 l_uint st_mode; 185 l_uint st_nlink; 186 l_ulong st_uid; 187 l_ulong st_gid; 188 l_ushort st_rdev; 189 u_char __pad3[10]; 190 l_longlong st_size; 191 l_ulong st_blksize; 192 l_ulong st_blocks; 193 l_ulong __pad4; 194 struct l_timespec st_atimespec; 195 struct l_timespec st_mtimespec; 196 struct l_timespec st_ctimespec; 197 l_ulonglong st_ino; 198 }; 199 200 struct l_statfs64 { 201 l_int f_type; 202 l_int f_bsize; 203 uint64_t f_blocks; 204 uint64_t f_bfree; 205 uint64_t f_bavail; 206 uint64_t f_files; 207 uint64_t f_ffree; 208 l_fsid_t f_fsid; 209 l_int f_namelen; 210 l_int f_spare[6]; 211 }; 212 213 struct l_new_utsname { 214 char sysname[LINUX_MAX_UTSNAME]; 215 char nodename[LINUX_MAX_UTSNAME]; 216 char release[LINUX_MAX_UTSNAME]; 217 char version[LINUX_MAX_UTSNAME]; 218 char machine[LINUX_MAX_UTSNAME]; 219 char domainname[LINUX_MAX_UTSNAME]; 220 }; 221 222 /* 223 * Signalling 224 */ 225 #define LINUX_SIGHUP 1 226 #define LINUX_SIGINT 2 227 #define LINUX_SIGQUIT 3 228 #define LINUX_SIGILL 4 229 #define LINUX_SIGTRAP 5 230 #define LINUX_SIGABRT 6 231 #define LINUX_SIGIOT LINUX_SIGABRT 232 #define LINUX_SIGBUS 7 233 #define LINUX_SIGFPE 8 234 #define LINUX_SIGKILL 9 235 #define LINUX_SIGUSR1 10 236 #define LINUX_SIGSEGV 11 237 #define LINUX_SIGUSR2 12 238 #define LINUX_SIGPIPE 13 239 #define LINUX_SIGALRM 14 240 #define LINUX_SIGTERM 15 241 #define LINUX_SIGSTKFLT 16 242 #define LINUX_SIGCHLD 17 243 #define LINUX_SIGCONT 18 244 #define LINUX_SIGSTOP 19 245 #define LINUX_SIGTSTP 20 246 #define LINUX_SIGTTIN 21 247 #define LINUX_SIGTTOU 22 248 #define LINUX_SIGURG 23 249 #define LINUX_SIGXCPU 24 250 #define LINUX_SIGXFSZ 25 251 #define LINUX_SIGVTALRM 26 252 #define LINUX_SIGPROF 27 253 #define LINUX_SIGWINCH 28 254 #define LINUX_SIGIO 29 255 #define LINUX_SIGPOLL LINUX_SIGIO 256 #define LINUX_SIGPWR 30 257 #define LINUX_SIGSYS 31 258 259 #define LINUX_SIGTBLSZ 31 260 #define LINUX_NSIG_WORDS 2 261 #define LINUX_NBPW 32 262 #define LINUX_NSIG (LINUX_NBPW * LINUX_NSIG_WORDS) 263 264 /* sigaction flags */ 265 #define LINUX_SA_NOCLDSTOP 0x00000001 266 #define LINUX_SA_NOCLDWAIT 0x00000002 267 #define LINUX_SA_SIGINFO 0x00000004 268 #define LINUX_SA_RESTORER 0x04000000 269 #define LINUX_SA_ONSTACK 0x08000000 270 #define LINUX_SA_RESTART 0x10000000 271 #define LINUX_SA_INTERRUPT 0x20000000 272 #define LINUX_SA_NOMASK 0x40000000 273 #define LINUX_SA_ONESHOT 0x80000000 274 275 /* sigprocmask actions */ 276 #define LINUX_SIG_BLOCK 0 277 #define LINUX_SIG_UNBLOCK 1 278 #define LINUX_SIG_SETMASK 2 279 280 /* sigset_t macros */ 281 #define LINUX_SIGEMPTYSET(set) (set).__bits[0] = (set).__bits[1] = 0 282 #define LINUX_SIGISMEMBER(set, sig) SIGISMEMBER(set, sig) 283 #define LINUX_SIGADDSET(set, sig) SIGADDSET(set, sig) 284 285 /* sigaltstack */ 286 #define LINUX_MINSIGSTKSZ 2048 287 #define LINUX_SS_ONSTACK 1 288 #define LINUX_SS_DISABLE 2 289 290 int linux_to_bsd_sigaltstack(int lsa); 291 int bsd_to_linux_sigaltstack(int bsa); 292 293 typedef void (*l_handler_t)(l_int); 294 typedef l_ulong l_osigset_t; 295 296 typedef struct { 297 l_uint __bits[LINUX_NSIG_WORDS]; 298 } l_sigset_t; 299 300 typedef struct { 301 l_handler_t lsa_handler; 302 l_osigset_t lsa_mask; 303 l_ulong lsa_flags; 304 void (*lsa_restorer)(void); 305 } l_osigaction_t; 306 307 typedef struct { 308 l_handler_t lsa_handler; 309 l_ulong lsa_flags; 310 void (*lsa_restorer)(void); 311 l_sigset_t lsa_mask; 312 } l_sigaction_t; 313 314 typedef struct { 315 void *ss_sp; 316 l_int ss_flags; 317 l_size_t ss_size; 318 } l_stack_t; 319 320 /* The Linux sigcontext, pretty much a standard 386 trapframe. */ 321 struct l_sigcontext { 322 l_int sc_gs; 323 l_int sc_fs; 324 l_int sc_es; 325 l_int sc_ds; 326 l_int sc_edi; 327 l_int sc_esi; 328 l_int sc_ebp; 329 l_int sc_esp; 330 l_int sc_ebx; 331 l_int sc_edx; 332 l_int sc_ecx; 333 l_int sc_eax; 334 l_int sc_trapno; 335 l_int sc_err; 336 l_int sc_eip; 337 l_int sc_cs; 338 l_int sc_eflags; 339 l_int sc_esp_at_signal; 340 l_int sc_ss; 341 l_int sc_387; 342 l_int sc_mask; 343 l_int sc_cr2; 344 }; 345 346 struct l_ucontext { 347 l_ulong uc_flags; 348 void *uc_link; 349 l_stack_t uc_stack; 350 struct l_sigcontext uc_mcontext; 351 l_sigset_t uc_sigmask; 352 }; 353 354 #define LINUX_SI_MAX_SIZE 128 355 #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3) 356 357 typedef struct l_siginfo { 358 l_int lsi_signo; 359 l_int lsi_errno; 360 l_int lsi_code; 361 union { 362 l_int _pad[LINUX_SI_PAD_SIZE]; 363 364 struct { 365 l_pid_t _pid; 366 l_uid16_t _uid; 367 } _kill; 368 369 struct { 370 l_uint _timer1; 371 l_uint _timer2; 372 } _timer; 373 374 struct { 375 l_pid_t _pid; /* sender's pid */ 376 l_uid16_t _uid; /* sender's uid */ 377 union sigval _sigval; 378 } _rt; 379 380 struct { 381 l_pid_t _pid; /* which child */ 382 l_uid16_t _uid; /* sender's uid */ 383 l_int _status; /* exit code */ 384 l_clock_t _utime; 385 l_clock_t _stime; 386 } _sigchld; 387 388 struct { 389 void *_addr; /* faulting insn/memory ref. */ 390 } _sigfault; 391 392 struct { 393 l_int _band; /* POLL_IN,POLL_OUT,POLL_MSG */ 394 l_int _fd; 395 } _sigpoll; 396 } _sifields; 397 } l_siginfo_t; 398 399 #define lsi_pid _sifields._kill._pid 400 #define lsi_uid _sifields._kill._uid 401 #define lsi_status _sifields._sigchld._status 402 #define lsi_utime _sifields._sigchld._utime 403 #define lsi_stime _sifields._sigchld._stime 404 #define lsi_value _sifields._rt._sigval 405 #define lsi_int _sifields._rt._sigval.sival_int 406 #define lsi_ptr _sifields._rt._sigval.sival_ptr 407 #define lsi_addr _sifields._sigfault._addr 408 #define lsi_band _sifields._sigpoll._band 409 #define lsi_fd _sifields._sigpoll._fd 410 411 struct l_fpreg { 412 u_int16_t significand[4]; 413 u_int16_t exponent; 414 }; 415 416 struct l_fpxreg { 417 u_int16_t significand[4]; 418 u_int16_t exponent; 419 u_int16_t padding[3]; 420 }; 421 422 struct l_xmmreg { 423 u_int32_t element[4]; 424 }; 425 426 struct l_fpstate { 427 /* Regular FPU environment */ 428 u_int32_t cw; 429 u_int32_t sw; 430 u_int32_t tag; 431 u_int32_t ipoff; 432 u_int32_t cssel; 433 u_int32_t dataoff; 434 u_int32_t datasel; 435 struct l_fpreg _st[8]; 436 u_int16_t status; 437 u_int16_t magic; /* 0xffff = regular FPU data */ 438 439 /* FXSR FPU environment */ 440 u_int32_t _fxsr_env[6]; /* env is ignored */ 441 u_int32_t mxcsr; 442 u_int32_t reserved; 443 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored */ 444 struct l_xmmreg _xmm[8]; 445 u_int32_t padding[56]; 446 }; 447 448 /* 449 * We make the stack look like Linux expects it when calling a signal 450 * handler, but use the BSD way of calling the handler and sigreturn(). 451 * This means that we need to pass the pointer to the handler too. 452 * It is appended to the frame to not interfere with the rest of it. 453 */ 454 struct l_sigframe { 455 l_int sf_sig; 456 struct l_sigcontext sf_sc; 457 struct l_fpstate sf_fpstate; 458 l_uint sf_extramask[LINUX_NSIG_WORDS-1]; 459 l_handler_t sf_handler; 460 }; 461 462 struct l_rt_sigframe { 463 l_int sf_sig; 464 l_siginfo_t *sf_siginfo; 465 struct l_ucontext *sf_ucontext; 466 l_siginfo_t sf_si; 467 struct l_ucontext sf_sc; 468 l_handler_t sf_handler; 469 }; 470 471 extern int bsd_to_linux_signal[]; 472 extern int linux_to_bsd_signal[]; 473 extern struct sysentvec linux_sysvec; 474 extern struct sysentvec elf_linux_sysvec; 475 476 /* 477 * Pluggable ioctl handlers 478 */ 479 480 extern struct ioctl_map linux_ioctl_map; 481 482 /* 483 * open/fcntl flags 484 */ 485 #define LINUX_O_RDONLY 00 486 #define LINUX_O_WRONLY 01 487 #define LINUX_O_RDWR 02 488 #define LINUX_O_CREAT 0100 489 #define LINUX_O_EXCL 0200 490 #define LINUX_O_NOCTTY 0400 491 #define LINUX_O_TRUNC 01000 492 #define LINUX_O_APPEND 02000 493 #define LINUX_O_NONBLOCK 04000 494 #define LINUX_O_NDELAY LINUX_O_NONBLOCK 495 #define LINUX_O_SYNC 010000 496 #define LINUX_FASYNC 020000 497 #define LINUX_O_DIRECTORY 00200000 498 499 #define LINUX_F_DUPFD 0 500 #define LINUX_F_GETFD 1 501 #define LINUX_F_SETFD 2 502 #define LINUX_F_GETFL 3 503 #define LINUX_F_SETFL 4 504 #define LINUX_F_GETLK 5 505 #define LINUX_F_SETLK 6 506 #define LINUX_F_SETLKW 7 507 #define LINUX_F_SETOWN 8 508 #define LINUX_F_GETOWN 9 509 510 #define LINUX_F_GETLK64 12 511 #define LINUX_F_SETLK64 13 512 #define LINUX_F_SETLKW64 14 513 514 #define LINUX_F_RDLCK 0 515 #define LINUX_F_WRLCK 1 516 #define LINUX_F_UNLCK 2 517 518 /* 519 * mount flags 520 */ 521 #define LINUX_MS_RDONLY 0x0001 522 #define LINUX_MS_NOSUID 0x0002 523 #define LINUX_MS_NODEV 0x0004 524 #define LINUX_MS_NOEXEC 0x0008 525 #define LINUX_MS_REMOUNT 0x0020 526 527 /* 528 * SystemV IPC defines 529 */ 530 #define LINUX_SEMOP 1 531 #define LINUX_SEMGET 2 532 #define LINUX_SEMCTL 3 533 #define LINUX_MSGSND 11 534 #define LINUX_MSGRCV 12 535 #define LINUX_MSGGET 13 536 #define LINUX_MSGCTL 14 537 #define LINUX_SHMAT 21 538 #define LINUX_SHMDT 22 539 #define LINUX_SHMGET 23 540 #define LINUX_SHMCTL 24 541 542 #define LINUX_IPC_RMID 0 543 #define LINUX_IPC_SET 1 544 #define LINUX_IPC_STAT 2 545 #define LINUX_IPC_INFO 3 546 547 #define LINUX_SHM_LOCK 11 548 #define LINUX_SHM_UNLOCK 12 549 #define LINUX_SHM_STAT 13 550 #define LINUX_SHM_INFO 14 551 552 #define LINUX_SHM_RDONLY 0x1000 553 #define LINUX_SHM_RND 0x2000 554 #define LINUX_SHM_REMAP 0x4000 555 556 /* semctl commands */ 557 #define LINUX_GETPID 11 558 #define LINUX_GETVAL 12 559 #define LINUX_GETALL 13 560 #define LINUX_GETNCNT 14 561 #define LINUX_GETZCNT 15 562 #define LINUX_SETVAL 16 563 #define LINUX_SETALL 17 564 #define LINUX_SEM_STAT 18 565 #define LINUX_SEM_INFO 19 566 567 union l_semun { 568 l_int val; 569 struct l_semid_ds *buf; 570 l_ushort *array; 571 struct l_seminfo *__buf; 572 void *__pad; 573 }; 574 575 /* 576 * Socket defines 577 */ 578 #define LINUX_SOCKET 1 579 #define LINUX_BIND 2 580 #define LINUX_CONNECT 3 581 #define LINUX_LISTEN 4 582 #define LINUX_ACCEPT 5 583 #define LINUX_GETSOCKNAME 6 584 #define LINUX_GETPEERNAME 7 585 #define LINUX_SOCKETPAIR 8 586 #define LINUX_SEND 9 587 #define LINUX_RECV 10 588 #define LINUX_SENDTO 11 589 #define LINUX_RECVFROM 12 590 #define LINUX_SHUTDOWN 13 591 #define LINUX_SETSOCKOPT 14 592 #define LINUX_GETSOCKOPT 15 593 #define LINUX_SENDMSG 16 594 #define LINUX_RECVMSG 17 595 596 #define LINUX_AF_UNSPEC 0 597 #define LINUX_AF_UNIX 1 598 #define LINUX_AF_INET 2 599 #define LINUX_AF_AX25 3 600 #define LINUX_AF_IPX 4 601 #define LINUX_AF_APPLETALK 5 602 603 #define LINUX_SOL_SOCKET 1 604 #define LINUX_SOL_IP 0 605 #define LINUX_SOL_IPX 256 606 #define LINUX_SOL_AX25 257 607 #define LINUX_SOL_TCP 6 608 #define LINUX_SOL_UDP 17 609 610 #define LINUX_SO_DEBUG 1 611 #define LINUX_SO_REUSEADDR 2 612 #define LINUX_SO_TYPE 3 613 #define LINUX_SO_ERROR 4 614 #define LINUX_SO_DONTROUTE 5 615 #define LINUX_SO_BROADCAST 6 616 #define LINUX_SO_SNDBUF 7 617 #define LINUX_SO_RCVBUF 8 618 #define LINUX_SO_KEEPALIVE 9 619 #define LINUX_SO_OOBINLINE 10 620 #define LINUX_SO_NO_CHECK 11 621 #define LINUX_SO_PRIORITY 12 622 #define LINUX_SO_LINGER 13 623 #define LINUX_SO_PEERCRED 17 624 #define LINUX_SO_RCVLOWAT 18 625 #define LINUX_SO_SNDLOWAT 19 626 #define LINUX_SO_RCVTIMEO 20 627 #define LINUX_SO_SNDTIMEO 21 628 #define LINUX_SO_TIMESTAMP 29 629 #define LINUX_SO_ACCEPTCONN 30 630 631 #define LINUX_IP_TOS 1 632 #define LINUX_IP_TTL 2 633 #define LINUX_IP_HDRINCL 3 634 #define LINUX_IP_OPTIONS 4 635 636 #define LINUX_IP_MULTICAST_IF 32 637 #define LINUX_IP_MULTICAST_TTL 33 638 #define LINUX_IP_MULTICAST_LOOP 34 639 #define LINUX_IP_ADD_MEMBERSHIP 35 640 #define LINUX_IP_DROP_MEMBERSHIP 36 641 642 struct l_sockaddr { 643 l_ushort sa_family; 644 char sa_data[14]; 645 }; 646 647 struct l_ifmap { 648 l_ulong mem_start; 649 l_ulong mem_end; 650 l_ushort base_addr; 651 u_char irq; 652 u_char dma; 653 u_char port; 654 }; 655 656 #define LINUX_IFHWADDRLEN 6 657 #define LINUX_IFNAMSIZ 16 658 659 struct l_ifreq { 660 union { 661 char ifrn_name[LINUX_IFNAMSIZ]; 662 } ifr_ifrn; 663 664 union { 665 struct l_sockaddr ifru_addr; 666 struct l_sockaddr ifru_dstaddr; 667 struct l_sockaddr ifru_broadaddr; 668 struct l_sockaddr ifru_netmask; 669 struct l_sockaddr ifru_hwaddr; 670 l_short ifru_flags[1]; 671 l_int ifru_metric; 672 l_int ifru_ivalue; 673 l_int ifru_mtu; 674 struct l_ifmap ifru_map; 675 char ifru_slave[LINUX_IFNAMSIZ]; 676 l_caddr_t ifru_data; 677 } ifr_ifru; 678 }; 679 680 #define ifr_name ifr_ifrn.ifrn_name /* interface name */ 681 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ 682 #define ifr_ifindex ifr_ifru.ifru_ivalue /* Interface index */ 683 #define ifr_ifmetric ifr_ifru.ifru_metric /* Interface index */ 684 685 /* 686 * poll() 687 */ 688 #define LINUX_POLLIN 0x0001 689 #define LINUX_POLLPRI 0x0002 690 #define LINUX_POLLOUT 0x0004 691 #define LINUX_POLLERR 0x0008 692 #define LINUX_POLLHUP 0x0010 693 #define LINUX_POLLNVAL 0x0020 694 #define LINUX_POLLRDNORM 0x0040 695 #define LINUX_POLLRDBAND 0x0080 696 #define LINUX_POLLWRNORM 0x0100 697 #define LINUX_POLLWRBAND 0x0200 698 #define LINUX_POLLMSG 0x0400 699 700 struct l_pollfd { 701 l_int fd; 702 l_short events; 703 l_short revents; 704 }; 705 706 struct l_user_desc { 707 l_uint entry_number; 708 l_uint base_addr; 709 l_uint limit; 710 l_uint seg_32bit:1; 711 l_uint contents:2; 712 l_uint read_exec_only:1; 713 l_uint limit_in_pages:1; 714 l_uint seg_not_present:1; 715 l_uint useable:1; 716 }; 717 718 struct l_desc_struct { 719 unsigned long a, b; 720 }; 721 722 723 #define LINUX_LOWERWORD 0x0000ffff 724 725 /* 726 * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h. 727 * These convert Linux user space descriptor to machine one. 728 */ 729 #define LINUX_LDT_entry_a(info) \ 730 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \ 731 ((info)->limit & LINUX_LOWERWORD)) 732 733 #define LINUX_ENTRY_B_READ_EXEC_ONLY 9 734 #define LINUX_ENTRY_B_CONTENTS 10 735 #define LINUX_ENTRY_B_SEG_NOT_PRESENT 15 736 #define LINUX_ENTRY_B_BASE_ADDR 16 737 #define LINUX_ENTRY_B_USEABLE 20 738 #define LINUX_ENTRY_B_SEG32BIT 22 739 #define LINUX_ENTRY_B_LIMIT 23 740 741 #define LINUX_LDT_entry_b(info) \ 742 (((info)->base_addr & 0xff000000) | \ 743 ((info)->limit & 0xf0000) | \ 744 ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \ 745 (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \ 746 (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \ 747 (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \ 748 ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \ 749 ((info)->useable << LINUX_ENTRY_B_USEABLE) | \ 750 ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000) 751 752 #define LINUX_LDT_empty(info) \ 753 ((info)->base_addr == 0 && \ 754 (info)->limit == 0 && \ 755 (info)->contents == 0 && \ 756 (info)->seg_not_present == 1 && \ 757 (info)->read_exec_only == 1 && \ 758 (info)->seg_32bit == 0 && \ 759 (info)->limit_in_pages == 0 && \ 760 (info)->useable == 0) 761 762 /* 763 * Macros for converting segments. 764 * They do the same as those in arch/i386/kernel/process.c in Linux. 765 */ 766 #define LINUX_GET_BASE(desc) \ 767 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \ 768 (((desc)->b << 16) & 0x00ff0000) | \ 769 ((desc)->b & 0xff000000)) 770 771 #define LINUX_GET_LIMIT(desc) \ 772 (((desc)->a & LINUX_LOWERWORD) | \ 773 ((desc)->b & 0xf0000)) 774 775 #define LINUX_GET_32BIT(desc) \ 776 (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1) 777 #define LINUX_GET_CONTENTS(desc) \ 778 (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3) 779 #define LINUX_GET_WRITABLE(desc) \ 780 (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1) 781 #define LINUX_GET_LIMIT_PAGES(desc) \ 782 (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1) 783 #define LINUX_GET_PRESENT(desc) \ 784 (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1) 785 #define LINUX_GET_USEABLE(desc) \ 786 (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1) 787 788 #define LINUX_CLOCK_REALTIME 0 789 #define LINUX_CLOCK_MONOTONIC 1 790 #define LINUX_CLOCK_PROCESS_CPUTIME_ID 2 791 #define LINUX_CLOCK_THREAD_CPUTIME_ID 3 792 #define LINUX_CLOCK_REALTIME_HR 4 793 #define LINUX_CLOCK_MONOTONIC_HR 5 794 795 #define LINUX_CLONE_VM 0x00000100 796 #define LINUX_CLONE_FS 0x00000200 797 #define LINUX_CLONE_FILES 0x00000400 798 #define LINUX_CLONE_SIGHAND 0x00000800 799 #define LINUX_CLONE_PID 0x00001000 /* No longer exist in Linux */ 800 #define LINUX_CLONE_VFORK 0x00004000 801 #define LINUX_CLONE_PARENT 0x00008000 802 #define LINUX_CLONE_THREAD 0x00010000 803 #define LINUX_CLONE_SETTLS 0x00080000 804 #define LINUX_CLONE_PARENT_SETTID 0x00100000 805 #define LINUX_CLONE_CHILD_CLEARTID 0x00200000 806 #define LINUX_CLONE_CHILD_SETTID 0x01000000 807 808 #define LINUX_THREADING_FLAGS \ 809 (LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES | \ 810 LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD) 811 812 #define LINUX_AT_FDCWD -100 813 #define LINUX_AT_SYMLINK_NOFOLLOW 0x100 814 #define LINUX_AT_REMOVEDIR 0x200 815 816 #define LINUX_MREMAP_MAYMOVE 1 817 #define LINUX_MREMAP_FIXED 2 818 819 #define LINUX_UTIME_NOW (-1) 820 #define LINUX_UTIME_OMIT (-2) 821 #endif /* !_EMULATION_LINUX_ARCH_LINUX_H_ */
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