linux.h revision 293527
1/*- 2 * Copyright (c) 2004 Tim J. Robbins 3 * Copyright (c) 2001 Doug Rabson 4 * Copyright (c) 1994-1996 S��ren 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: stable/10/sys/amd64/linux32/linux.h 293527 2016-01-09 16:08:22Z dchagin $ 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 */ 41extern u_char linux_debug_map[]; 42#define ldebug(name) isclr(linux_debug_map, LINUX_SYS_linux_ ## name) 43#define ARGS(nm, fmt) "linux(%ld/%ld): "#nm"("fmt")\n", \ 44 (long)td->td_proc->p_pid, (long)td->td_tid 45#define LMSG(fmt) "linux(%ld/%ld): "fmt"\n", \ 46 (long)td->td_proc->p_pid, (long)td->td_tid 47#define LINUX_DTRACE linuxulator32 48 49#define LINUX32_MAXUSER ((1ul << 32) - PAGE_SIZE) 50#define LINUX32_SHAREDPAGE (LINUX32_MAXUSER - PAGE_SIZE) 51#define LINUX32_USRSTACK LINUX32_SHAREDPAGE 52 53/* XXX 16 = sizeof(linux32_ps_strings) */ 54#define LINUX32_PS_STRINGS (LINUX32_USRSTACK - 16) 55#define LINUX32_MAXDSIZ (512 * 1024 * 1024) /* 512MB */ 56#define LINUX32_MAXSSIZ (64 * 1024 * 1024) /* 64MB */ 57#define LINUX32_MAXVMEM 0 /* Unlimited */ 58 59#define PTRIN(v) (void *)(uintptr_t)(v) 60#define PTROUT(v) (l_uintptr_t)(uintptr_t)(v) 61 62#define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0) 63#define CP2(src,dst,sfld,dfld) do { (dst).dfld = (src).sfld; } while (0) 64#define PTRIN_CP(src,dst,fld) \ 65 do { (dst).fld = PTRIN((src).fld); } while (0) 66 67/* 68 * Provide a separate set of types for the Linux types. 69 */ 70typedef int l_int; 71typedef int32_t l_long; 72typedef int64_t l_longlong; 73typedef short l_short; 74typedef unsigned int l_uint; 75typedef uint32_t l_ulong; 76typedef uint64_t l_ulonglong; 77typedef unsigned short l_ushort; 78 79typedef l_ulong l_uintptr_t; 80typedef l_long l_clock_t; 81typedef l_int l_daddr_t; 82typedef l_ushort l_dev_t; 83typedef l_uint l_gid_t; 84typedef l_ushort l_gid16_t; 85typedef l_ulong l_ino_t; 86typedef l_int l_key_t; 87typedef l_longlong l_loff_t; 88typedef l_ushort l_mode_t; 89typedef l_long l_off_t; 90typedef l_int l_pid_t; 91typedef l_uint l_size_t; 92typedef l_long l_suseconds_t; 93typedef l_long l_time_t; 94typedef l_uint l_uid_t; 95typedef l_ushort l_uid16_t; 96typedef l_int l_timer_t; 97typedef l_int l_mqd_t; 98 99typedef struct { 100 l_int val[2]; 101} __packed l_fsid_t; 102 103typedef struct { 104 l_time_t tv_sec; 105 l_suseconds_t tv_usec; 106} l_timeval; 107 108#define l_fd_set fd_set 109 110/* 111 * Miscellaneous 112 */ 113#define LINUX_AT_COUNT 18 /* Count of used aux entry types. 114 * Keep this synchronized with 115 * elf_linux_fixup() code. 116 */ 117struct l___sysctl_args 118{ 119 l_uintptr_t name; 120 l_int nlen; 121 l_uintptr_t oldval; 122 l_uintptr_t oldlenp; 123 l_uintptr_t newval; 124 l_size_t newlen; 125 l_ulong __spare[4]; 126} __packed; 127 128/* Resource limits */ 129#define LINUX_RLIMIT_CPU 0 130#define LINUX_RLIMIT_FSIZE 1 131#define LINUX_RLIMIT_DATA 2 132#define LINUX_RLIMIT_STACK 3 133#define LINUX_RLIMIT_CORE 4 134#define LINUX_RLIMIT_RSS 5 135#define LINUX_RLIMIT_NPROC 6 136#define LINUX_RLIMIT_NOFILE 7 137#define LINUX_RLIMIT_MEMLOCK 8 138#define LINUX_RLIMIT_AS 9 /* Address space limit */ 139 140#define LINUX_RLIM_NLIMITS 10 141 142struct l_rlimit { 143 l_ulong rlim_cur; 144 l_ulong rlim_max; 145} __packed; 146 147struct l_rusage { 148 l_timeval ru_utime; 149 l_timeval ru_stime; 150 l_long ru_maxrss; 151 l_long ru_ixrss; 152 l_long ru_idrss; 153 l_long ru_isrss; 154 l_long ru_minflt; 155 l_long ru_majflt; 156 l_long ru_nswap; 157 l_long ru_inblock; 158 l_long ru_oublock; 159 l_long ru_msgsnd; 160 l_long ru_msgrcv; 161 l_long ru_nsignals; 162 l_long ru_nvcsw; 163 l_long ru_nivcsw; 164} __packed; 165 166/* mmap options */ 167#define LINUX_MAP_SHARED 0x0001 168#define LINUX_MAP_PRIVATE 0x0002 169#define LINUX_MAP_FIXED 0x0010 170#define LINUX_MAP_ANON 0x0020 171#define LINUX_MAP_GROWSDOWN 0x0100 172 173struct l_mmap_argv { 174 l_uintptr_t addr; 175 l_size_t len; 176 l_int prot; 177 l_int flags; 178 l_int fd; 179 l_ulong pgoff; 180}; 181 182/* 183 * stat family of syscalls 184 */ 185struct l_timespec { 186 l_time_t tv_sec; 187 l_long tv_nsec; 188} __packed; 189 190struct l_newstat { 191 l_ushort st_dev; 192 l_ushort __pad1; 193 l_ulong st_ino; 194 l_ushort st_mode; 195 l_ushort st_nlink; 196 l_ushort st_uid; 197 l_ushort st_gid; 198 l_ushort st_rdev; 199 l_ushort __pad2; 200 l_ulong st_size; 201 l_ulong st_blksize; 202 l_ulong st_blocks; 203 struct l_timespec st_atim; 204 struct l_timespec st_mtim; 205 struct l_timespec st_ctim; 206 l_ulong __unused4; 207 l_ulong __unused5; 208} __packed; 209 210struct l_stat { 211 l_ushort st_dev; 212 l_ulong st_ino; 213 l_ushort st_mode; 214 l_ushort st_nlink; 215 l_ushort st_uid; 216 l_ushort st_gid; 217 l_ushort st_rdev; 218 l_long st_size; 219 struct l_timespec st_atim; 220 struct l_timespec st_mtim; 221 struct l_timespec st_ctim; 222 l_long st_blksize; 223 l_long st_blocks; 224 l_ulong st_flags; 225 l_ulong st_gen; 226}; 227 228struct l_stat64 { 229 l_ushort st_dev; 230 u_char __pad0[10]; 231 l_ulong __st_ino; 232 l_uint st_mode; 233 l_uint st_nlink; 234 l_ulong st_uid; 235 l_ulong st_gid; 236 l_ushort st_rdev; 237 u_char __pad3[10]; 238 l_longlong st_size; 239 l_ulong st_blksize; 240 l_ulong st_blocks; 241 l_ulong __pad4; 242 struct l_timespec st_atim; 243 struct l_timespec st_mtim; 244 struct l_timespec st_ctim; 245 l_ulonglong st_ino; 246} __packed; 247 248struct l_statfs64 { 249 l_int f_type; 250 l_int f_bsize; 251 uint64_t f_blocks; 252 uint64_t f_bfree; 253 uint64_t f_bavail; 254 uint64_t f_files; 255 uint64_t f_ffree; 256 l_fsid_t f_fsid; 257 l_int f_namelen; 258 l_int f_spare[6]; 259} __packed; 260 261/* 262 * Signalling 263 */ 264#define LINUX_SIGHUP 1 265#define LINUX_SIGINT 2 266#define LINUX_SIGQUIT 3 267#define LINUX_SIGILL 4 268#define LINUX_SIGTRAP 5 269#define LINUX_SIGABRT 6 270#define LINUX_SIGIOT LINUX_SIGABRT 271#define LINUX_SIGBUS 7 272#define LINUX_SIGFPE 8 273#define LINUX_SIGKILL 9 274#define LINUX_SIGUSR1 10 275#define LINUX_SIGSEGV 11 276#define LINUX_SIGUSR2 12 277#define LINUX_SIGPIPE 13 278#define LINUX_SIGALRM 14 279#define LINUX_SIGTERM 15 280#define LINUX_SIGSTKFLT 16 281#define LINUX_SIGCHLD 17 282#define LINUX_SIGCONT 18 283#define LINUX_SIGSTOP 19 284#define LINUX_SIGTSTP 20 285#define LINUX_SIGTTIN 21 286#define LINUX_SIGTTOU 22 287#define LINUX_SIGURG 23 288#define LINUX_SIGXCPU 24 289#define LINUX_SIGXFSZ 25 290#define LINUX_SIGVTALRM 26 291#define LINUX_SIGPROF 27 292#define LINUX_SIGWINCH 28 293#define LINUX_SIGIO 29 294#define LINUX_SIGPOLL LINUX_SIGIO 295#define LINUX_SIGPWR 30 296#define LINUX_SIGSYS 31 297#define LINUX_SIGRTMIN 32 298 299#define LINUX_SIGTBLSZ 31 300#define LINUX_NSIG_WORDS 2 301#define LINUX_NBPW 32 302#define LINUX_NSIG (LINUX_NBPW * LINUX_NSIG_WORDS) 303 304/* sigaction flags */ 305#define LINUX_SA_NOCLDSTOP 0x00000001 306#define LINUX_SA_NOCLDWAIT 0x00000002 307#define LINUX_SA_SIGINFO 0x00000004 308#define LINUX_SA_RESTORER 0x04000000 309#define LINUX_SA_ONSTACK 0x08000000 310#define LINUX_SA_RESTART 0x10000000 311#define LINUX_SA_INTERRUPT 0x20000000 312#define LINUX_SA_NOMASK 0x40000000 313#define LINUX_SA_ONESHOT 0x80000000 314 315/* sigprocmask actions */ 316#define LINUX_SIG_BLOCK 0 317#define LINUX_SIG_UNBLOCK 1 318#define LINUX_SIG_SETMASK 2 319 320/* sigset_t macros */ 321#define LINUX_SIGEMPTYSET(set) (set).__bits[0] = (set).__bits[1] = 0 322#define LINUX_SIGISMEMBER(set, sig) SIGISMEMBER(set, sig) 323#define LINUX_SIGADDSET(set, sig) SIGADDSET(set, sig) 324 325/* sigaltstack */ 326#define LINUX_MINSIGSTKSZ 2048 327#define LINUX_SS_ONSTACK 1 328#define LINUX_SS_DISABLE 2 329 330int linux_to_bsd_sigaltstack(int lsa); 331int bsd_to_linux_sigaltstack(int bsa); 332 333typedef l_uintptr_t l_handler_t; 334typedef l_ulong l_osigset_t; 335 336typedef struct { 337 l_uint __bits[LINUX_NSIG_WORDS]; 338} __packed l_sigset_t; 339 340typedef struct { 341 l_handler_t lsa_handler; 342 l_osigset_t lsa_mask; 343 l_ulong lsa_flags; 344 l_uintptr_t lsa_restorer; 345} __packed l_osigaction_t; 346 347typedef struct { 348 l_handler_t lsa_handler; 349 l_ulong lsa_flags; 350 l_uintptr_t lsa_restorer; 351 l_sigset_t lsa_mask; 352} __packed l_sigaction_t; 353 354typedef struct { 355 l_uintptr_t ss_sp; 356 l_int ss_flags; 357 l_size_t ss_size; 358} __packed l_stack_t; 359 360/* The Linux sigcontext, pretty much a standard 386 trapframe. */ 361struct l_sigcontext { 362 l_uint sc_gs; 363 l_uint sc_fs; 364 l_uint sc_es; 365 l_uint sc_ds; 366 l_uint sc_edi; 367 l_uint sc_esi; 368 l_uint sc_ebp; 369 l_uint sc_esp; 370 l_uint sc_ebx; 371 l_uint sc_edx; 372 l_uint sc_ecx; 373 l_uint sc_eax; 374 l_uint sc_trapno; 375 l_uint sc_err; 376 l_uint sc_eip; 377 l_uint sc_cs; 378 l_uint sc_eflags; 379 l_uint sc_esp_at_signal; 380 l_uint sc_ss; 381 l_uint sc_387; 382 l_uint sc_mask; 383 l_uint sc_cr2; 384} __packed; 385 386struct l_ucontext { 387 l_ulong uc_flags; 388 l_uintptr_t uc_link; 389 l_stack_t uc_stack; 390 struct l_sigcontext uc_mcontext; 391 l_sigset_t uc_sigmask; 392} __packed; 393 394#define LINUX_SI_MAX_SIZE 128 395#define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3) 396 397typedef union l_sigval { 398 l_int sival_int; 399 l_uintptr_t sival_ptr; 400} l_sigval_t; 401 402typedef struct l_siginfo { 403 l_int lsi_signo; 404 l_int lsi_errno; 405 l_int lsi_code; 406 union { 407 l_int _pad[LINUX_SI_PAD_SIZE]; 408 409 struct { 410 l_pid_t _pid; 411 l_uid_t _uid; 412 } __packed _kill; 413 414 struct { 415 l_timer_t _tid; 416 l_int _overrun; 417 char _pad[sizeof(l_uid_t) - sizeof(l_int)]; 418 l_sigval_t _sigval; 419 l_int _sys_private; 420 } __packed _timer; 421 422 struct { 423 l_pid_t _pid; /* sender's pid */ 424 l_uid_t _uid; /* sender's uid */ 425 l_sigval_t _sigval; 426 } __packed _rt; 427 428 struct { 429 l_pid_t _pid; /* which child */ 430 l_uid_t _uid; /* sender's uid */ 431 l_int _status; /* exit code */ 432 l_clock_t _utime; 433 l_clock_t _stime; 434 } __packed _sigchld; 435 436 struct { 437 l_uintptr_t _addr; /* Faulting insn/memory ref. */ 438 } __packed _sigfault; 439 440 struct { 441 l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */ 442 l_int _fd; 443 } __packed _sigpoll; 444 } _sifields; 445} __packed l_siginfo_t; 446 447#define lsi_pid _sifields._kill._pid 448#define lsi_uid _sifields._kill._uid 449#define lsi_tid _sifields._timer._tid 450#define lsi_overrun _sifields._timer._overrun 451#define lsi_sys_private _sifields._timer._sys_private 452#define lsi_status _sifields._sigchld._status 453#define lsi_utime _sifields._sigchld._utime 454#define lsi_stime _sifields._sigchld._stime 455#define lsi_value _sifields._rt._sigval 456#define lsi_int _sifields._rt._sigval.sival_int 457#define lsi_ptr _sifields._rt._sigval.sival_ptr 458#define lsi_addr _sifields._sigfault._addr 459#define lsi_band _sifields._sigpoll._band 460#define lsi_fd _sifields._sigpoll._fd 461 462struct l_fpreg { 463 u_int16_t significand[4]; 464 u_int16_t exponent; 465} __packed; 466 467struct l_fpxreg { 468 u_int16_t significand[4]; 469 u_int16_t exponent; 470 u_int16_t padding[3]; 471} __packed; 472 473struct l_xmmreg { 474 u_int32_t element[4]; 475} __packed; 476 477struct l_fpstate { 478 /* Regular FPU environment */ 479 u_int32_t cw; 480 u_int32_t sw; 481 u_int32_t tag; 482 u_int32_t ipoff; 483 u_int32_t cssel; 484 u_int32_t dataoff; 485 u_int32_t datasel; 486 struct l_fpreg _st[8]; 487 u_int16_t status; 488 u_int16_t magic; /* 0xffff = regular FPU data */ 489 490 /* FXSR FPU environment */ 491 u_int32_t _fxsr_env[6]; /* env is ignored. */ 492 u_int32_t mxcsr; 493 u_int32_t reserved; 494 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */ 495 struct l_xmmreg _xmm[8]; 496 u_int32_t padding[56]; 497} __packed; 498 499/* 500 * We make the stack look like Linux expects it when calling a signal 501 * handler, but use the BSD way of calling the handler and sigreturn(). 502 * This means that we need to pass the pointer to the handler too. 503 * It is appended to the frame to not interfere with the rest of it. 504 */ 505struct l_sigframe { 506 l_int sf_sig; 507 struct l_sigcontext sf_sc; 508 struct l_fpstate sf_fpstate; 509 l_uint sf_extramask[LINUX_NSIG_WORDS-1]; 510 l_handler_t sf_handler; 511} __packed; 512 513struct l_rt_sigframe { 514 l_int sf_sig; 515 l_uintptr_t sf_siginfo; 516 l_uintptr_t sf_ucontext; 517 l_siginfo_t sf_si; 518 struct l_ucontext sf_sc; 519 l_handler_t sf_handler; 520} __packed; 521 522/* 523 * open/fcntl flags 524 */ 525#define LINUX_O_RDONLY 00000000 526#define LINUX_O_WRONLY 00000001 527#define LINUX_O_RDWR 00000002 528#define LINUX_O_ACCMODE 00000003 529#define LINUX_O_CREAT 00000100 530#define LINUX_O_EXCL 00000200 531#define LINUX_O_NOCTTY 00000400 532#define LINUX_O_TRUNC 00001000 533#define LINUX_O_APPEND 00002000 534#define LINUX_O_NONBLOCK 00004000 535#define LINUX_O_NDELAY LINUX_O_NONBLOCK 536#define LINUX_O_SYNC 00010000 537#define LINUX_FASYNC 00020000 538#define LINUX_O_DIRECT 00040000 /* Direct disk access hint */ 539#define LINUX_O_LARGEFILE 00100000 540#define LINUX_O_DIRECTORY 00200000 /* Must be a directory */ 541#define LINUX_O_NOFOLLOW 00400000 /* Do not follow links */ 542#define LINUX_O_NOATIME 01000000 543#define LINUX_O_CLOEXEC 02000000 544 545#define LINUX_F_DUPFD 0 546#define LINUX_F_GETFD 1 547#define LINUX_F_SETFD 2 548#define LINUX_F_GETFL 3 549#define LINUX_F_SETFL 4 550#define LINUX_F_GETLK 5 551#define LINUX_F_SETLK 6 552#define LINUX_F_SETLKW 7 553#define LINUX_F_SETOWN 8 554#define LINUX_F_GETOWN 9 555 556#define LINUX_F_GETLK64 12 557#define LINUX_F_SETLK64 13 558#define LINUX_F_SETLKW64 14 559 560#define LINUX_F_RDLCK 0 561#define LINUX_F_WRLCK 1 562#define LINUX_F_UNLCK 2 563 564union l_semun { 565 l_int val; 566 l_uintptr_t buf; 567 l_uintptr_t array; 568 l_uintptr_t __buf; 569 l_uintptr_t __pad; 570} __packed; 571 572struct l_ipc_perm { 573 l_key_t key; 574 l_uid16_t uid; 575 l_gid16_t gid; 576 l_uid16_t cuid; 577 l_gid16_t cgid; 578 l_ushort mode; 579 l_ushort seq; 580}; 581 582/* 583 * Socket defines 584 */ 585#define LINUX_SOL_SOCKET 1 586#define LINUX_SOL_IP 0 587#define LINUX_SOL_IPX 256 588#define LINUX_SOL_AX25 257 589#define LINUX_SOL_TCP 6 590#define LINUX_SOL_UDP 17 591 592#define LINUX_SO_DEBUG 1 593#define LINUX_SO_REUSEADDR 2 594#define LINUX_SO_TYPE 3 595#define LINUX_SO_ERROR 4 596#define LINUX_SO_DONTROUTE 5 597#define LINUX_SO_BROADCAST 6 598#define LINUX_SO_SNDBUF 7 599#define LINUX_SO_RCVBUF 8 600#define LINUX_SO_KEEPALIVE 9 601#define LINUX_SO_OOBINLINE 10 602#define LINUX_SO_NO_CHECK 11 603#define LINUX_SO_PRIORITY 12 604#define LINUX_SO_LINGER 13 605#define LINUX_SO_PEERCRED 17 606#define LINUX_SO_RCVLOWAT 18 607#define LINUX_SO_SNDLOWAT 19 608#define LINUX_SO_RCVTIMEO 20 609#define LINUX_SO_SNDTIMEO 21 610#define LINUX_SO_TIMESTAMP 29 611#define LINUX_SO_ACCEPTCONN 30 612 613struct l_sockaddr { 614 l_ushort sa_family; 615 char sa_data[14]; 616} __packed; 617 618struct l_msghdr { 619 l_uintptr_t msg_name; 620 l_int msg_namelen; 621 l_uintptr_t msg_iov; 622 l_size_t msg_iovlen; 623 l_uintptr_t msg_control; 624 l_size_t msg_controllen; 625 l_uint msg_flags; 626}; 627 628struct l_cmsghdr { 629 l_size_t cmsg_len; 630 l_int cmsg_level; 631 l_int cmsg_type; 632}; 633 634struct l_ifmap { 635 l_ulong mem_start; 636 l_ulong mem_end; 637 l_ushort base_addr; 638 u_char irq; 639 u_char dma; 640 u_char port; 641} __packed; 642 643#define LINUX_IFHWADDRLEN 6 644#define LINUX_IFNAMSIZ 16 645 646struct l_ifreq { 647 union { 648 char ifrn_name[LINUX_IFNAMSIZ]; 649 } ifr_ifrn; 650 651 union { 652 struct l_sockaddr ifru_addr; 653 struct l_sockaddr ifru_dstaddr; 654 struct l_sockaddr ifru_broadaddr; 655 struct l_sockaddr ifru_netmask; 656 struct l_sockaddr ifru_hwaddr; 657 l_short ifru_flags[1]; 658 l_int ifru_metric; 659 l_int ifru_mtu; 660 struct l_ifmap ifru_map; 661 char ifru_slave[LINUX_IFNAMSIZ]; 662 l_uintptr_t ifru_data; 663 } ifr_ifru; 664} __packed; 665 666#define ifr_name ifr_ifrn.ifrn_name /* Interface name */ 667#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ 668 669struct l_ifconf { 670 int ifc_len; 671 union { 672 l_uintptr_t ifcu_buf; 673 l_uintptr_t ifcu_req; 674 } ifc_ifcu; 675} __packed; 676 677#define ifc_buf ifc_ifcu.ifcu_buf 678#define ifc_req ifc_ifcu.ifcu_req 679 680/* 681 * poll() 682 */ 683#define LINUX_POLLIN 0x0001 684#define LINUX_POLLPRI 0x0002 685#define LINUX_POLLOUT 0x0004 686#define LINUX_POLLERR 0x0008 687#define LINUX_POLLHUP 0x0010 688#define LINUX_POLLNVAL 0x0020 689#define LINUX_POLLRDNORM 0x0040 690#define LINUX_POLLRDBAND 0x0080 691#define LINUX_POLLWRNORM 0x0100 692#define LINUX_POLLWRBAND 0x0200 693#define LINUX_POLLMSG 0x0400 694 695struct l_pollfd { 696 l_int fd; 697 l_short events; 698 l_short revents; 699} __packed; 700 701struct l_user_desc { 702 l_uint entry_number; 703 l_uint base_addr; 704 l_uint limit; 705 l_uint seg_32bit:1; 706 l_uint contents:2; 707 l_uint read_exec_only:1; 708 l_uint limit_in_pages:1; 709 l_uint seg_not_present:1; 710 l_uint useable:1; 711}; 712 713#define LINUX_LOWERWORD 0x0000ffff 714 715/* 716 * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h. 717 * These convert Linux user space descriptor to machine one. 718 */ 719#define LINUX_LDT_entry_a(info) \ 720 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \ 721 ((info)->limit & LINUX_LOWERWORD)) 722 723#define LINUX_ENTRY_B_READ_EXEC_ONLY 9 724#define LINUX_ENTRY_B_CONTENTS 10 725#define LINUX_ENTRY_B_SEG_NOT_PRESENT 15 726#define LINUX_ENTRY_B_BASE_ADDR 16 727#define LINUX_ENTRY_B_USEABLE 20 728#define LINUX_ENTRY_B_SEG32BIT 22 729#define LINUX_ENTRY_B_LIMIT 23 730 731#define LINUX_LDT_entry_b(info) \ 732 (((info)->base_addr & 0xff000000) | \ 733 ((info)->limit & 0xf0000) | \ 734 ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \ 735 (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \ 736 (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \ 737 (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \ 738 ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \ 739 ((info)->useable << LINUX_ENTRY_B_USEABLE) | \ 740 ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000) 741 742#define LINUX_LDT_empty(info) \ 743 ((info)->base_addr == 0 && \ 744 (info)->limit == 0 && \ 745 (info)->contents == 0 && \ 746 (info)->seg_not_present == 1 && \ 747 (info)->read_exec_only == 1 && \ 748 (info)->seg_32bit == 0 && \ 749 (info)->limit_in_pages == 0 && \ 750 (info)->useable == 0) 751 752/* 753 * Macros for converting segments. 754 * They do the same as those in arch/i386/kernel/process.c in Linux. 755 */ 756#define LINUX_GET_BASE(desc) \ 757 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \ 758 (((desc)->b << 16) & 0x00ff0000) | \ 759 ((desc)->b & 0xff000000)) 760 761#define LINUX_GET_LIMIT(desc) \ 762 (((desc)->a & LINUX_LOWERWORD) | \ 763 ((desc)->b & 0xf0000)) 764 765#define LINUX_GET_32BIT(desc) \ 766 (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1) 767#define LINUX_GET_CONTENTS(desc) \ 768 (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3) 769#define LINUX_GET_WRITABLE(desc) \ 770 (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1) 771#define LINUX_GET_LIMIT_PAGES(desc) \ 772 (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1) 773#define LINUX_GET_PRESENT(desc) \ 774 (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1) 775#define LINUX_GET_USEABLE(desc) \ 776 (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1) 777 778struct iovec; 779 780struct l_iovec32 { 781 uint32_t iov_base; 782 l_size_t iov_len; 783}; 784 785int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt, 786 struct iovec **iovp, int error); 787int linux_copyout_rusage(struct rusage *ru, void *uaddr); 788 789/* robust futexes */ 790struct linux_robust_list { 791 l_uintptr_t next; 792}; 793 794struct linux_robust_list_head { 795 struct linux_robust_list list; 796 l_long futex_offset; 797 l_uintptr_t pending_list; 798}; 799 800#endif /* !_AMD64_LINUX_H_ */ 801