Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/amd64/linux32/linux.h
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1 /*- 2 * Copyright (c) 2004 Tim J. Robbins 3 * Copyright (c) 2001 Doug Rabson 4 * Copyright (c) 1994-1996 Søren Schmidt 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer 12 * in this position and unchanged. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * $FreeBSD: releng/10.0/sys/amd64/linux32/linux.h 246085 2013-01-29 18:41:30Z jhb $ 31 */ 32 33 #ifndef _AMD64_LINUX_H_ 34 #define _AMD64_LINUX_H_ 35 36 #include <amd64/linux32/linux32_syscall.h> 37 38 /* 39 * debugging support 40 */ 41 extern u_char linux_debug_map[]; 42 #define ldebug(name) isclr(linux_debug_map, LINUX_SYS_linux_ ## name) 43 #define ARGS(nm, fmt) "linux(%ld): "#nm"("fmt")\n", (long)td->td_proc->p_pid 44 #define LMSG(fmt) "linux(%ld): "fmt"\n", (long)td->td_proc->p_pid 45 #define LINUX_DTRACE linuxulator32 46 47 #ifdef MALLOC_DECLARE 48 MALLOC_DECLARE(M_LINUX); 49 #endif 50 51 #define LINUX32_MAXUSER ((1ul << 32) - PAGE_SIZE) 52 #define LINUX32_SHAREDPAGE (LINUX32_MAXUSER - PAGE_SIZE) 53 #define LINUX32_USRSTACK LINUX32_SHAREDPAGE 54 55 /* XXX 16 = sizeof(linux32_ps_strings) */ 56 #define LINUX32_PS_STRINGS (LINUX32_USRSTACK - 16) 57 #define LINUX32_MAXDSIZ (512 * 1024 * 1024) /* 512MB */ 58 #define LINUX32_MAXSSIZ (64 * 1024 * 1024) /* 64MB */ 59 #define LINUX32_MAXVMEM 0 /* Unlimited */ 60 61 #define PTRIN(v) (void *)(uintptr_t)(v) 62 #define PTROUT(v) (l_uintptr_t)(uintptr_t)(v) 63 64 /* 65 * Provide a separate set of types for the Linux types. 66 */ 67 typedef int l_int; 68 typedef int32_t l_long; 69 typedef int64_t l_longlong; 70 typedef short l_short; 71 typedef unsigned int l_uint; 72 typedef uint32_t l_ulong; 73 typedef uint64_t l_ulonglong; 74 typedef unsigned short l_ushort; 75 76 typedef l_ulong l_uintptr_t; 77 typedef l_long l_clock_t; 78 typedef l_int l_daddr_t; 79 typedef l_ushort l_dev_t; 80 typedef l_uint l_gid_t; 81 typedef l_ushort l_gid16_t; 82 typedef l_ulong l_ino_t; 83 typedef l_int l_key_t; 84 typedef l_longlong l_loff_t; 85 typedef l_ushort l_mode_t; 86 typedef l_long l_off_t; 87 typedef l_int l_pid_t; 88 typedef l_uint l_size_t; 89 typedef l_long l_suseconds_t; 90 typedef l_long l_time_t; 91 typedef l_uint l_uid_t; 92 typedef l_ushort l_uid16_t; 93 typedef l_int l_timer_t; 94 typedef l_int l_mqd_t; 95 96 typedef struct { 97 l_int val[2]; 98 } __packed l_fsid_t; 99 100 typedef struct { 101 l_time_t tv_sec; 102 l_suseconds_t tv_usec; 103 } l_timeval; 104 105 #define l_fd_set fd_set 106 107 /* 108 * Miscellaneous 109 */ 110 #define LINUX_AT_COUNT 16 /* Count of used aux entry types. 111 * Keep this synchronized with 112 * elf_linux_fixup() code. 113 */ 114 struct l___sysctl_args 115 { 116 l_uintptr_t name; 117 l_int nlen; 118 l_uintptr_t oldval; 119 l_uintptr_t oldlenp; 120 l_uintptr_t newval; 121 l_size_t newlen; 122 l_ulong __spare[4]; 123 } __packed; 124 125 /* Resource limits */ 126 #define LINUX_RLIMIT_CPU 0 127 #define LINUX_RLIMIT_FSIZE 1 128 #define LINUX_RLIMIT_DATA 2 129 #define LINUX_RLIMIT_STACK 3 130 #define LINUX_RLIMIT_CORE 4 131 #define LINUX_RLIMIT_RSS 5 132 #define LINUX_RLIMIT_NPROC 6 133 #define LINUX_RLIMIT_NOFILE 7 134 #define LINUX_RLIMIT_MEMLOCK 8 135 #define LINUX_RLIMIT_AS 9 /* Address space limit */ 136 137 #define LINUX_RLIM_NLIMITS 10 138 139 struct l_rlimit { 140 l_ulong rlim_cur; 141 l_ulong rlim_max; 142 } __packed; 143 144 struct l_rusage { 145 l_timeval ru_utime; 146 l_timeval ru_stime; 147 l_long ru_maxrss; 148 l_long ru_ixrss; 149 l_long ru_idrss; 150 l_long ru_isrss; 151 l_long ru_minflt; 152 l_long ru_majflt; 153 l_long ru_nswap; 154 l_long ru_inblock; 155 l_long ru_oublock; 156 l_long ru_msgsnd; 157 l_long ru_msgrcv; 158 l_long ru_nsignals; 159 l_long ru_nvcsw; 160 l_long ru_nivcsw; 161 } __packed; 162 163 /* mmap options */ 164 #define LINUX_MAP_SHARED 0x0001 165 #define LINUX_MAP_PRIVATE 0x0002 166 #define LINUX_MAP_FIXED 0x0010 167 #define LINUX_MAP_ANON 0x0020 168 #define LINUX_MAP_GROWSDOWN 0x0100 169 170 struct l_mmap_argv { 171 l_uintptr_t addr; 172 l_size_t len; 173 l_int prot; 174 l_int flags; 175 l_int fd; 176 l_ulong pgoff; 177 }; 178 179 /* 180 * stat family of syscalls 181 */ 182 struct l_timespec { 183 l_time_t tv_sec; 184 l_long tv_nsec; 185 } __packed; 186 187 struct l_newstat { 188 l_ushort st_dev; 189 l_ushort __pad1; 190 l_ulong st_ino; 191 l_ushort st_mode; 192 l_ushort st_nlink; 193 l_ushort st_uid; 194 l_ushort st_gid; 195 l_ushort st_rdev; 196 l_ushort __pad2; 197 l_ulong st_size; 198 l_ulong st_blksize; 199 l_ulong st_blocks; 200 struct l_timespec st_atim; 201 struct l_timespec st_mtim; 202 struct l_timespec st_ctim; 203 l_ulong __unused4; 204 l_ulong __unused5; 205 } __packed; 206 207 struct l_stat { 208 l_ushort st_dev; 209 l_ulong st_ino; 210 l_ushort st_mode; 211 l_ushort st_nlink; 212 l_ushort st_uid; 213 l_ushort st_gid; 214 l_ushort st_rdev; 215 l_long st_size; 216 struct l_timespec st_atim; 217 struct l_timespec st_mtim; 218 struct l_timespec st_ctim; 219 l_long st_blksize; 220 l_long st_blocks; 221 l_ulong st_flags; 222 l_ulong st_gen; 223 }; 224 225 struct l_stat64 { 226 l_ushort st_dev; 227 u_char __pad0[10]; 228 l_ulong __st_ino; 229 l_uint st_mode; 230 l_uint st_nlink; 231 l_ulong st_uid; 232 l_ulong st_gid; 233 l_ushort st_rdev; 234 u_char __pad3[10]; 235 l_longlong st_size; 236 l_ulong st_blksize; 237 l_ulong st_blocks; 238 l_ulong __pad4; 239 struct l_timespec st_atim; 240 struct l_timespec st_mtim; 241 struct l_timespec st_ctim; 242 l_ulonglong st_ino; 243 } __packed; 244 245 struct l_statfs64 { 246 l_int f_type; 247 l_int f_bsize; 248 uint64_t f_blocks; 249 uint64_t f_bfree; 250 uint64_t f_bavail; 251 uint64_t f_files; 252 uint64_t f_ffree; 253 l_fsid_t f_fsid; 254 l_int f_namelen; 255 l_int f_spare[6]; 256 } __packed; 257 258 /* 259 * Signalling 260 */ 261 #define LINUX_SIGHUP 1 262 #define LINUX_SIGINT 2 263 #define LINUX_SIGQUIT 3 264 #define LINUX_SIGILL 4 265 #define LINUX_SIGTRAP 5 266 #define LINUX_SIGABRT 6 267 #define LINUX_SIGIOT LINUX_SIGABRT 268 #define LINUX_SIGBUS 7 269 #define LINUX_SIGFPE 8 270 #define LINUX_SIGKILL 9 271 #define LINUX_SIGUSR1 10 272 #define LINUX_SIGSEGV 11 273 #define LINUX_SIGUSR2 12 274 #define LINUX_SIGPIPE 13 275 #define LINUX_SIGALRM 14 276 #define LINUX_SIGTERM 15 277 #define LINUX_SIGSTKFLT 16 278 #define LINUX_SIGCHLD 17 279 #define LINUX_SIGCONT 18 280 #define LINUX_SIGSTOP 19 281 #define LINUX_SIGTSTP 20 282 #define LINUX_SIGTTIN 21 283 #define LINUX_SIGTTOU 22 284 #define LINUX_SIGURG 23 285 #define LINUX_SIGXCPU 24 286 #define LINUX_SIGXFSZ 25 287 #define LINUX_SIGVTALRM 26 288 #define LINUX_SIGPROF 27 289 #define LINUX_SIGWINCH 28 290 #define LINUX_SIGIO 29 291 #define LINUX_SIGPOLL LINUX_SIGIO 292 #define LINUX_SIGPWR 30 293 #define LINUX_SIGSYS 31 294 #define LINUX_SIGRTMIN 32 295 296 #define LINUX_SIGTBLSZ 31 297 #define LINUX_NSIG_WORDS 2 298 #define LINUX_NBPW 32 299 #define LINUX_NSIG (LINUX_NBPW * LINUX_NSIG_WORDS) 300 301 /* sigaction flags */ 302 #define LINUX_SA_NOCLDSTOP 0x00000001 303 #define LINUX_SA_NOCLDWAIT 0x00000002 304 #define LINUX_SA_SIGINFO 0x00000004 305 #define LINUX_SA_RESTORER 0x04000000 306 #define LINUX_SA_ONSTACK 0x08000000 307 #define LINUX_SA_RESTART 0x10000000 308 #define LINUX_SA_INTERRUPT 0x20000000 309 #define LINUX_SA_NOMASK 0x40000000 310 #define LINUX_SA_ONESHOT 0x80000000 311 312 /* sigprocmask actions */ 313 #define LINUX_SIG_BLOCK 0 314 #define LINUX_SIG_UNBLOCK 1 315 #define LINUX_SIG_SETMASK 2 316 317 /* sigset_t macros */ 318 #define LINUX_SIGEMPTYSET(set) (set).__bits[0] = (set).__bits[1] = 0 319 #define LINUX_SIGISMEMBER(set, sig) SIGISMEMBER(set, sig) 320 #define LINUX_SIGADDSET(set, sig) SIGADDSET(set, sig) 321 322 /* sigaltstack */ 323 #define LINUX_MINSIGSTKSZ 2048 324 #define LINUX_SS_ONSTACK 1 325 #define LINUX_SS_DISABLE 2 326 327 int linux_to_bsd_sigaltstack(int lsa); 328 int bsd_to_linux_sigaltstack(int bsa); 329 330 typedef l_uintptr_t l_handler_t; 331 typedef l_ulong l_osigset_t; 332 333 typedef struct { 334 l_uint __bits[LINUX_NSIG_WORDS]; 335 } __packed l_sigset_t; 336 337 typedef struct { 338 l_handler_t lsa_handler; 339 l_osigset_t lsa_mask; 340 l_ulong lsa_flags; 341 l_uintptr_t lsa_restorer; 342 } __packed l_osigaction_t; 343 344 typedef struct { 345 l_handler_t lsa_handler; 346 l_ulong lsa_flags; 347 l_uintptr_t lsa_restorer; 348 l_sigset_t lsa_mask; 349 } __packed l_sigaction_t; 350 351 typedef struct { 352 l_uintptr_t ss_sp; 353 l_int ss_flags; 354 l_size_t ss_size; 355 } __packed l_stack_t; 356 357 /* The Linux sigcontext, pretty much a standard 386 trapframe. */ 358 struct l_sigcontext { 359 l_uint sc_gs; 360 l_uint sc_fs; 361 l_uint sc_es; 362 l_uint sc_ds; 363 l_uint sc_edi; 364 l_uint sc_esi; 365 l_uint sc_ebp; 366 l_uint sc_esp; 367 l_uint sc_ebx; 368 l_uint sc_edx; 369 l_uint sc_ecx; 370 l_uint sc_eax; 371 l_uint sc_trapno; 372 l_uint sc_err; 373 l_uint sc_eip; 374 l_uint sc_cs; 375 l_uint sc_eflags; 376 l_uint sc_esp_at_signal; 377 l_uint sc_ss; 378 l_uint sc_387; 379 l_uint sc_mask; 380 l_uint sc_cr2; 381 } __packed; 382 383 struct l_ucontext { 384 l_ulong uc_flags; 385 l_uintptr_t uc_link; 386 l_stack_t uc_stack; 387 struct l_sigcontext uc_mcontext; 388 l_sigset_t uc_sigmask; 389 } __packed; 390 391 #define LINUX_SI_MAX_SIZE 128 392 #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3) 393 394 typedef union l_sigval { 395 l_int sival_int; 396 l_uintptr_t sival_ptr; 397 } l_sigval_t; 398 399 typedef struct l_siginfo { 400 l_int lsi_signo; 401 l_int lsi_errno; 402 l_int lsi_code; 403 union { 404 l_int _pad[LINUX_SI_PAD_SIZE]; 405 406 struct { 407 l_pid_t _pid; 408 l_uid_t _uid; 409 } __packed _kill; 410 411 struct { 412 l_timer_t _tid; 413 l_int _overrun; 414 char _pad[sizeof(l_uid_t) - sizeof(l_int)]; 415 l_sigval_t _sigval; 416 l_int _sys_private; 417 } __packed _timer; 418 419 struct { 420 l_pid_t _pid; /* sender's pid */ 421 l_uid_t _uid; /* sender's uid */ 422 l_sigval_t _sigval; 423 } __packed _rt; 424 425 struct { 426 l_pid_t _pid; /* which child */ 427 l_uid_t _uid; /* sender's uid */ 428 l_int _status; /* exit code */ 429 l_clock_t _utime; 430 l_clock_t _stime; 431 } __packed _sigchld; 432 433 struct { 434 l_uintptr_t _addr; /* Faulting insn/memory ref. */ 435 } __packed _sigfault; 436 437 struct { 438 l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */ 439 l_int _fd; 440 } __packed _sigpoll; 441 } _sifields; 442 } __packed l_siginfo_t; 443 444 #define lsi_pid _sifields._kill._pid 445 #define lsi_uid _sifields._kill._uid 446 #define lsi_tid _sifields._timer._tid 447 #define lsi_overrun _sifields._timer._overrun 448 #define lsi_sys_private _sifields._timer._sys_private 449 #define lsi_status _sifields._sigchld._status 450 #define lsi_utime _sifields._sigchld._utime 451 #define lsi_stime _sifields._sigchld._stime 452 #define lsi_value _sifields._rt._sigval 453 #define lsi_int _sifields._rt._sigval.sival_int 454 #define lsi_ptr _sifields._rt._sigval.sival_ptr 455 #define lsi_addr _sifields._sigfault._addr 456 #define lsi_band _sifields._sigpoll._band 457 #define lsi_fd _sifields._sigpoll._fd 458 459 struct l_fpreg { 460 u_int16_t significand[4]; 461 u_int16_t exponent; 462 } __packed; 463 464 struct l_fpxreg { 465 u_int16_t significand[4]; 466 u_int16_t exponent; 467 u_int16_t padding[3]; 468 } __packed; 469 470 struct l_xmmreg { 471 u_int32_t element[4]; 472 } __packed; 473 474 struct l_fpstate { 475 /* Regular FPU environment */ 476 u_int32_t cw; 477 u_int32_t sw; 478 u_int32_t tag; 479 u_int32_t ipoff; 480 u_int32_t cssel; 481 u_int32_t dataoff; 482 u_int32_t datasel; 483 struct l_fpreg _st[8]; 484 u_int16_t status; 485 u_int16_t magic; /* 0xffff = regular FPU data */ 486 487 /* FXSR FPU environment */ 488 u_int32_t _fxsr_env[6]; /* env is ignored. */ 489 u_int32_t mxcsr; 490 u_int32_t reserved; 491 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */ 492 struct l_xmmreg _xmm[8]; 493 u_int32_t padding[56]; 494 } __packed; 495 496 /* 497 * We make the stack look like Linux expects it when calling a signal 498 * handler, but use the BSD way of calling the handler and sigreturn(). 499 * This means that we need to pass the pointer to the handler too. 500 * It is appended to the frame to not interfere with the rest of it. 501 */ 502 struct l_sigframe { 503 l_int sf_sig; 504 struct l_sigcontext sf_sc; 505 struct l_fpstate sf_fpstate; 506 l_uint sf_extramask[LINUX_NSIG_WORDS-1]; 507 l_handler_t sf_handler; 508 } __packed; 509 510 struct l_rt_sigframe { 511 l_int sf_sig; 512 l_uintptr_t sf_siginfo; 513 l_uintptr_t sf_ucontext; 514 l_siginfo_t sf_si; 515 struct l_ucontext sf_sc; 516 l_handler_t sf_handler; 517 } __packed; 518 519 extern struct sysentvec elf_linux_sysvec; 520 521 /* 522 * open/fcntl flags 523 */ 524 #define LINUX_O_RDONLY 00000000 525 #define LINUX_O_WRONLY 00000001 526 #define LINUX_O_RDWR 00000002 527 #define LINUX_O_ACCMODE 00000003 528 #define LINUX_O_CREAT 00000100 529 #define LINUX_O_EXCL 00000200 530 #define LINUX_O_NOCTTY 00000400 531 #define LINUX_O_TRUNC 00001000 532 #define LINUX_O_APPEND 00002000 533 #define LINUX_O_NONBLOCK 00004000 534 #define LINUX_O_NDELAY LINUX_O_NONBLOCK 535 #define LINUX_O_SYNC 00010000 536 #define LINUX_FASYNC 00020000 537 #define LINUX_O_DIRECT 00040000 /* Direct disk access hint */ 538 #define LINUX_O_LARGEFILE 00100000 539 #define LINUX_O_DIRECTORY 00200000 /* Must be a directory */ 540 #define LINUX_O_NOFOLLOW 00400000 /* Do not follow links */ 541 #define LINUX_O_NOATIME 01000000 542 #define LINUX_O_CLOEXEC 02000000 543 544 #define LINUX_F_DUPFD 0 545 #define LINUX_F_GETFD 1 546 #define LINUX_F_SETFD 2 547 #define LINUX_F_GETFL 3 548 #define LINUX_F_SETFL 4 549 #define LINUX_F_GETLK 5 550 #define LINUX_F_SETLK 6 551 #define LINUX_F_SETLKW 7 552 #define LINUX_F_SETOWN 8 553 #define LINUX_F_GETOWN 9 554 555 #define LINUX_F_GETLK64 12 556 #define LINUX_F_SETLK64 13 557 #define LINUX_F_SETLKW64 14 558 559 #define LINUX_F_RDLCK 0 560 #define LINUX_F_WRLCK 1 561 #define LINUX_F_UNLCK 2 562 563 union l_semun { 564 l_int val; 565 l_uintptr_t buf; 566 l_uintptr_t array; 567 l_uintptr_t __buf; 568 l_uintptr_t __pad; 569 } __packed; 570 571 /* 572 * Socket defines 573 */ 574 #define LINUX_SOL_SOCKET 1 575 #define LINUX_SOL_IP 0 576 #define LINUX_SOL_IPX 256 577 #define LINUX_SOL_AX25 257 578 #define LINUX_SOL_TCP 6 579 #define LINUX_SOL_UDP 17 580 581 #define LINUX_SO_DEBUG 1 582 #define LINUX_SO_REUSEADDR 2 583 #define LINUX_SO_TYPE 3 584 #define LINUX_SO_ERROR 4 585 #define LINUX_SO_DONTROUTE 5 586 #define LINUX_SO_BROADCAST 6 587 #define LINUX_SO_SNDBUF 7 588 #define LINUX_SO_RCVBUF 8 589 #define LINUX_SO_KEEPALIVE 9 590 #define LINUX_SO_OOBINLINE 10 591 #define LINUX_SO_NO_CHECK 11 592 #define LINUX_SO_PRIORITY 12 593 #define LINUX_SO_LINGER 13 594 #define LINUX_SO_PEERCRED 17 595 #define LINUX_SO_RCVLOWAT 18 596 #define LINUX_SO_SNDLOWAT 19 597 #define LINUX_SO_RCVTIMEO 20 598 #define LINUX_SO_SNDTIMEO 21 599 #define LINUX_SO_TIMESTAMP 29 600 #define LINUX_SO_ACCEPTCONN 30 601 602 struct l_sockaddr { 603 l_ushort sa_family; 604 char sa_data[14]; 605 } __packed; 606 607 struct l_msghdr { 608 l_uintptr_t msg_name; 609 l_int msg_namelen; 610 l_uintptr_t msg_iov; 611 l_size_t msg_iovlen; 612 l_uintptr_t msg_control; 613 l_size_t msg_controllen; 614 l_uint msg_flags; 615 }; 616 617 struct l_cmsghdr { 618 l_size_t cmsg_len; 619 l_int cmsg_level; 620 l_int cmsg_type; 621 }; 622 623 struct l_ifmap { 624 l_ulong mem_start; 625 l_ulong mem_end; 626 l_ushort base_addr; 627 u_char irq; 628 u_char dma; 629 u_char port; 630 } __packed; 631 632 #define LINUX_IFHWADDRLEN 6 633 #define LINUX_IFNAMSIZ 16 634 635 struct l_ifreq { 636 union { 637 char ifrn_name[LINUX_IFNAMSIZ]; 638 } ifr_ifrn; 639 640 union { 641 struct l_sockaddr ifru_addr; 642 struct l_sockaddr ifru_dstaddr; 643 struct l_sockaddr ifru_broadaddr; 644 struct l_sockaddr ifru_netmask; 645 struct l_sockaddr ifru_hwaddr; 646 l_short ifru_flags[1]; 647 l_int ifru_metric; 648 l_int ifru_mtu; 649 struct l_ifmap ifru_map; 650 char ifru_slave[LINUX_IFNAMSIZ]; 651 l_uintptr_t ifru_data; 652 } ifr_ifru; 653 } __packed; 654 655 #define ifr_name ifr_ifrn.ifrn_name /* Interface name */ 656 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ 657 658 struct l_ifconf { 659 int ifc_len; 660 union { 661 l_uintptr_t ifcu_buf; 662 l_uintptr_t ifcu_req; 663 } ifc_ifcu; 664 } __packed; 665 666 #define ifc_buf ifc_ifcu.ifcu_buf 667 #define ifc_req ifc_ifcu.ifcu_req 668 669 /* 670 * poll() 671 */ 672 #define LINUX_POLLIN 0x0001 673 #define LINUX_POLLPRI 0x0002 674 #define LINUX_POLLOUT 0x0004 675 #define LINUX_POLLERR 0x0008 676 #define LINUX_POLLHUP 0x0010 677 #define LINUX_POLLNVAL 0x0020 678 #define LINUX_POLLRDNORM 0x0040 679 #define LINUX_POLLRDBAND 0x0080 680 #define LINUX_POLLWRNORM 0x0100 681 #define LINUX_POLLWRBAND 0x0200 682 #define LINUX_POLLMSG 0x0400 683 684 struct l_pollfd { 685 l_int fd; 686 l_short events; 687 l_short revents; 688 } __packed; 689 690 struct l_user_desc { 691 l_uint entry_number; 692 l_uint base_addr; 693 l_uint limit; 694 l_uint seg_32bit:1; 695 l_uint contents:2; 696 l_uint read_exec_only:1; 697 l_uint limit_in_pages:1; 698 l_uint seg_not_present:1; 699 l_uint useable:1; 700 }; 701 702 #define LINUX_LOWERWORD 0x0000ffff 703 704 /* 705 * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h. 706 * These convert Linux user space descriptor to machine one. 707 */ 708 #define LINUX_LDT_entry_a(info) \ 709 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \ 710 ((info)->limit & LINUX_LOWERWORD)) 711 712 #define LINUX_ENTRY_B_READ_EXEC_ONLY 9 713 #define LINUX_ENTRY_B_CONTENTS 10 714 #define LINUX_ENTRY_B_SEG_NOT_PRESENT 15 715 #define LINUX_ENTRY_B_BASE_ADDR 16 716 #define LINUX_ENTRY_B_USEABLE 20 717 #define LINUX_ENTRY_B_SEG32BIT 22 718 #define LINUX_ENTRY_B_LIMIT 23 719 720 #define LINUX_LDT_entry_b(info) \ 721 (((info)->base_addr & 0xff000000) | \ 722 ((info)->limit & 0xf0000) | \ 723 ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \ 724 (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \ 725 (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \ 726 (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \ 727 ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \ 728 ((info)->useable << LINUX_ENTRY_B_USEABLE) | \ 729 ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000) 730 731 #define LINUX_LDT_empty(info) \ 732 ((info)->base_addr == 0 && \ 733 (info)->limit == 0 && \ 734 (info)->contents == 0 && \ 735 (info)->seg_not_present == 1 && \ 736 (info)->read_exec_only == 1 && \ 737 (info)->seg_32bit == 0 && \ 738 (info)->limit_in_pages == 0 && \ 739 (info)->useable == 0) 740 741 /* 742 * Macros for converting segments. 743 * They do the same as those in arch/i386/kernel/process.c in Linux. 744 */ 745 #define LINUX_GET_BASE(desc) \ 746 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \ 747 (((desc)->b << 16) & 0x00ff0000) | \ 748 ((desc)->b & 0xff000000)) 749 750 #define LINUX_GET_LIMIT(desc) \ 751 (((desc)->a & LINUX_LOWERWORD) | \ 752 ((desc)->b & 0xf0000)) 753 754 #define LINUX_GET_32BIT(desc) \ 755 (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1) 756 #define LINUX_GET_CONTENTS(desc) \ 757 (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3) 758 #define LINUX_GET_WRITABLE(desc) \ 759 (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1) 760 #define LINUX_GET_LIMIT_PAGES(desc) \ 761 (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1) 762 #define LINUX_GET_PRESENT(desc) \ 763 (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1) 764 #define LINUX_GET_USEABLE(desc) \ 765 (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1) 766 767 struct iovec; 768 769 struct l_iovec32 { 770 uint32_t iov_base; 771 l_size_t iov_len; 772 }; 773 774 int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt, 775 struct iovec **iovp, int error); 776 777 /* robust futexes */ 778 struct linux_robust_list { 779 l_uintptr_t next; 780 }; 781 782 struct linux_robust_list_head { 783 struct linux_robust_list list; 784 l_long futex_offset; 785 l_uintptr_t pending_list; 786 }; 787 788 #endif /* !_AMD64_LINUX_H_ */
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