linux.h revision 293500
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 293500 2016-01-09 15:23:54Z 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#ifdef MALLOC_DECLARE 50MALLOC_DECLARE(M_LINUX); 51#endif 52 53#define LINUX32_MAXUSER ((1ul << 32) - PAGE_SIZE) 54#define LINUX32_SHAREDPAGE (LINUX32_MAXUSER - PAGE_SIZE) 55#define LINUX32_USRSTACK LINUX32_SHAREDPAGE 56 57/* XXX 16 = sizeof(linux32_ps_strings) */ 58#define LINUX32_PS_STRINGS (LINUX32_USRSTACK - 16) 59#define LINUX32_MAXDSIZ (512 * 1024 * 1024) /* 512MB */ 60#define LINUX32_MAXSSIZ (64 * 1024 * 1024) /* 64MB */ 61#define LINUX32_MAXVMEM 0 /* Unlimited */ 62 63#define PTRIN(v) (void *)(uintptr_t)(v) 64#define PTROUT(v) (l_uintptr_t)(uintptr_t)(v) 65 66#define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0) 67#define CP2(src,dst,sfld,dfld) do { (dst).dfld = (src).sfld; } while (0) 68#define PTRIN_CP(src,dst,fld) \ 69 do { (dst).fld = PTRIN((src).fld); } while (0) 70 71/* 72 * Provide a separate set of types for the Linux types. 73 */ 74typedef int l_int; 75typedef int32_t l_long; 76typedef int64_t l_longlong; 77typedef short l_short; 78typedef unsigned int l_uint; 79typedef uint32_t l_ulong; 80typedef uint64_t l_ulonglong; 81typedef unsigned short l_ushort; 82 83typedef l_ulong l_uintptr_t; 84typedef l_long l_clock_t; 85typedef l_int l_daddr_t; 86typedef l_ushort l_dev_t; 87typedef l_uint l_gid_t; 88typedef l_ushort l_gid16_t; 89typedef l_ulong l_ino_t; 90typedef l_int l_key_t; 91typedef l_longlong l_loff_t; 92typedef l_ushort l_mode_t; 93typedef l_long l_off_t; 94typedef l_int l_pid_t; 95typedef l_uint l_size_t; 96typedef l_long l_suseconds_t; 97typedef l_long l_time_t; 98typedef l_uint l_uid_t; 99typedef l_ushort l_uid16_t; 100typedef l_int l_timer_t; 101typedef l_int l_mqd_t; 102 103typedef struct { 104 l_int val[2]; 105} __packed l_fsid_t; 106 107typedef struct { 108 l_time_t tv_sec; 109 l_suseconds_t tv_usec; 110} l_timeval; 111 112#define l_fd_set fd_set 113 114/* 115 * Miscellaneous 116 */ 117#define LINUX_AT_COUNT 16 /* Count of used aux entry types. 118 * Keep this synchronized with 119 * elf_linux_fixup() code. 120 */ 121struct l___sysctl_args 122{ 123 l_uintptr_t name; 124 l_int nlen; 125 l_uintptr_t oldval; 126 l_uintptr_t oldlenp; 127 l_uintptr_t newval; 128 l_size_t newlen; 129 l_ulong __spare[4]; 130} __packed; 131 132/* Resource limits */ 133#define LINUX_RLIMIT_CPU 0 134#define LINUX_RLIMIT_FSIZE 1 135#define LINUX_RLIMIT_DATA 2 136#define LINUX_RLIMIT_STACK 3 137#define LINUX_RLIMIT_CORE 4 138#define LINUX_RLIMIT_RSS 5 139#define LINUX_RLIMIT_NPROC 6 140#define LINUX_RLIMIT_NOFILE 7 141#define LINUX_RLIMIT_MEMLOCK 8 142#define LINUX_RLIMIT_AS 9 /* Address space limit */ 143 144#define LINUX_RLIM_NLIMITS 10 145 146struct l_rlimit { 147 l_ulong rlim_cur; 148 l_ulong rlim_max; 149} __packed; 150 151struct l_rusage { 152 l_timeval ru_utime; 153 l_timeval ru_stime; 154 l_long ru_maxrss; 155 l_long ru_ixrss; 156 l_long ru_idrss; 157 l_long ru_isrss; 158 l_long ru_minflt; 159 l_long ru_majflt; 160 l_long ru_nswap; 161 l_long ru_inblock; 162 l_long ru_oublock; 163 l_long ru_msgsnd; 164 l_long ru_msgrcv; 165 l_long ru_nsignals; 166 l_long ru_nvcsw; 167 l_long ru_nivcsw; 168} __packed; 169 170/* mmap options */ 171#define LINUX_MAP_SHARED 0x0001 172#define LINUX_MAP_PRIVATE 0x0002 173#define LINUX_MAP_FIXED 0x0010 174#define LINUX_MAP_ANON 0x0020 175#define LINUX_MAP_GROWSDOWN 0x0100 176 177struct l_mmap_argv { 178 l_uintptr_t addr; 179 l_size_t len; 180 l_int prot; 181 l_int flags; 182 l_int fd; 183 l_ulong pgoff; 184}; 185 186/* 187 * stat family of syscalls 188 */ 189struct l_timespec { 190 l_time_t tv_sec; 191 l_long tv_nsec; 192} __packed; 193 194struct l_newstat { 195 l_ushort st_dev; 196 l_ushort __pad1; 197 l_ulong st_ino; 198 l_ushort st_mode; 199 l_ushort st_nlink; 200 l_ushort st_uid; 201 l_ushort st_gid; 202 l_ushort st_rdev; 203 l_ushort __pad2; 204 l_ulong st_size; 205 l_ulong st_blksize; 206 l_ulong st_blocks; 207 struct l_timespec st_atim; 208 struct l_timespec st_mtim; 209 struct l_timespec st_ctim; 210 l_ulong __unused4; 211 l_ulong __unused5; 212} __packed; 213 214struct l_stat { 215 l_ushort st_dev; 216 l_ulong st_ino; 217 l_ushort st_mode; 218 l_ushort st_nlink; 219 l_ushort st_uid; 220 l_ushort st_gid; 221 l_ushort st_rdev; 222 l_long st_size; 223 struct l_timespec st_atim; 224 struct l_timespec st_mtim; 225 struct l_timespec st_ctim; 226 l_long st_blksize; 227 l_long st_blocks; 228 l_ulong st_flags; 229 l_ulong st_gen; 230}; 231 232struct l_stat64 { 233 l_ushort st_dev; 234 u_char __pad0[10]; 235 l_ulong __st_ino; 236 l_uint st_mode; 237 l_uint st_nlink; 238 l_ulong st_uid; 239 l_ulong st_gid; 240 l_ushort st_rdev; 241 u_char __pad3[10]; 242 l_longlong st_size; 243 l_ulong st_blksize; 244 l_ulong st_blocks; 245 l_ulong __pad4; 246 struct l_timespec st_atim; 247 struct l_timespec st_mtim; 248 struct l_timespec st_ctim; 249 l_ulonglong st_ino; 250} __packed; 251 252struct l_statfs64 { 253 l_int f_type; 254 l_int f_bsize; 255 uint64_t f_blocks; 256 uint64_t f_bfree; 257 uint64_t f_bavail; 258 uint64_t f_files; 259 uint64_t f_ffree; 260 l_fsid_t f_fsid; 261 l_int f_namelen; 262 l_int f_spare[6]; 263} __packed; 264 265/* 266 * Signalling 267 */ 268#define LINUX_SIGHUP 1 269#define LINUX_SIGINT 2 270#define LINUX_SIGQUIT 3 271#define LINUX_SIGILL 4 272#define LINUX_SIGTRAP 5 273#define LINUX_SIGABRT 6 274#define LINUX_SIGIOT LINUX_SIGABRT 275#define LINUX_SIGBUS 7 276#define LINUX_SIGFPE 8 277#define LINUX_SIGKILL 9 278#define LINUX_SIGUSR1 10 279#define LINUX_SIGSEGV 11 280#define LINUX_SIGUSR2 12 281#define LINUX_SIGPIPE 13 282#define LINUX_SIGALRM 14 283#define LINUX_SIGTERM 15 284#define LINUX_SIGSTKFLT 16 285#define LINUX_SIGCHLD 17 286#define LINUX_SIGCONT 18 287#define LINUX_SIGSTOP 19 288#define LINUX_SIGTSTP 20 289#define LINUX_SIGTTIN 21 290#define LINUX_SIGTTOU 22 291#define LINUX_SIGURG 23 292#define LINUX_SIGXCPU 24 293#define LINUX_SIGXFSZ 25 294#define LINUX_SIGVTALRM 26 295#define LINUX_SIGPROF 27 296#define LINUX_SIGWINCH 28 297#define LINUX_SIGIO 29 298#define LINUX_SIGPOLL LINUX_SIGIO 299#define LINUX_SIGPWR 30 300#define LINUX_SIGSYS 31 301#define LINUX_SIGRTMIN 32 302 303#define LINUX_SIGTBLSZ 31 304#define LINUX_NSIG_WORDS 2 305#define LINUX_NBPW 32 306#define LINUX_NSIG (LINUX_NBPW * LINUX_NSIG_WORDS) 307 308/* sigaction flags */ 309#define LINUX_SA_NOCLDSTOP 0x00000001 310#define LINUX_SA_NOCLDWAIT 0x00000002 311#define LINUX_SA_SIGINFO 0x00000004 312#define LINUX_SA_RESTORER 0x04000000 313#define LINUX_SA_ONSTACK 0x08000000 314#define LINUX_SA_RESTART 0x10000000 315#define LINUX_SA_INTERRUPT 0x20000000 316#define LINUX_SA_NOMASK 0x40000000 317#define LINUX_SA_ONESHOT 0x80000000 318 319/* sigprocmask actions */ 320#define LINUX_SIG_BLOCK 0 321#define LINUX_SIG_UNBLOCK 1 322#define LINUX_SIG_SETMASK 2 323 324/* sigset_t macros */ 325#define LINUX_SIGEMPTYSET(set) (set).__bits[0] = (set).__bits[1] = 0 326#define LINUX_SIGISMEMBER(set, sig) SIGISMEMBER(set, sig) 327#define LINUX_SIGADDSET(set, sig) SIGADDSET(set, sig) 328 329/* sigaltstack */ 330#define LINUX_MINSIGSTKSZ 2048 331#define LINUX_SS_ONSTACK 1 332#define LINUX_SS_DISABLE 2 333 334int linux_to_bsd_sigaltstack(int lsa); 335int bsd_to_linux_sigaltstack(int bsa); 336 337typedef l_uintptr_t l_handler_t; 338typedef l_ulong l_osigset_t; 339 340typedef struct { 341 l_uint __bits[LINUX_NSIG_WORDS]; 342} __packed l_sigset_t; 343 344typedef struct { 345 l_handler_t lsa_handler; 346 l_osigset_t lsa_mask; 347 l_ulong lsa_flags; 348 l_uintptr_t lsa_restorer; 349} __packed l_osigaction_t; 350 351typedef struct { 352 l_handler_t lsa_handler; 353 l_ulong lsa_flags; 354 l_uintptr_t lsa_restorer; 355 l_sigset_t lsa_mask; 356} __packed l_sigaction_t; 357 358typedef struct { 359 l_uintptr_t ss_sp; 360 l_int ss_flags; 361 l_size_t ss_size; 362} __packed l_stack_t; 363 364/* The Linux sigcontext, pretty much a standard 386 trapframe. */ 365struct l_sigcontext { 366 l_uint sc_gs; 367 l_uint sc_fs; 368 l_uint sc_es; 369 l_uint sc_ds; 370 l_uint sc_edi; 371 l_uint sc_esi; 372 l_uint sc_ebp; 373 l_uint sc_esp; 374 l_uint sc_ebx; 375 l_uint sc_edx; 376 l_uint sc_ecx; 377 l_uint sc_eax; 378 l_uint sc_trapno; 379 l_uint sc_err; 380 l_uint sc_eip; 381 l_uint sc_cs; 382 l_uint sc_eflags; 383 l_uint sc_esp_at_signal; 384 l_uint sc_ss; 385 l_uint sc_387; 386 l_uint sc_mask; 387 l_uint sc_cr2; 388} __packed; 389 390struct l_ucontext { 391 l_ulong uc_flags; 392 l_uintptr_t uc_link; 393 l_stack_t uc_stack; 394 struct l_sigcontext uc_mcontext; 395 l_sigset_t uc_sigmask; 396} __packed; 397 398#define LINUX_SI_MAX_SIZE 128 399#define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3) 400 401typedef union l_sigval { 402 l_int sival_int; 403 l_uintptr_t sival_ptr; 404} l_sigval_t; 405 406typedef struct l_siginfo { 407 l_int lsi_signo; 408 l_int lsi_errno; 409 l_int lsi_code; 410 union { 411 l_int _pad[LINUX_SI_PAD_SIZE]; 412 413 struct { 414 l_pid_t _pid; 415 l_uid_t _uid; 416 } __packed _kill; 417 418 struct { 419 l_timer_t _tid; 420 l_int _overrun; 421 char _pad[sizeof(l_uid_t) - sizeof(l_int)]; 422 l_sigval_t _sigval; 423 l_int _sys_private; 424 } __packed _timer; 425 426 struct { 427 l_pid_t _pid; /* sender's pid */ 428 l_uid_t _uid; /* sender's uid */ 429 l_sigval_t _sigval; 430 } __packed _rt; 431 432 struct { 433 l_pid_t _pid; /* which child */ 434 l_uid_t _uid; /* sender's uid */ 435 l_int _status; /* exit code */ 436 l_clock_t _utime; 437 l_clock_t _stime; 438 } __packed _sigchld; 439 440 struct { 441 l_uintptr_t _addr; /* Faulting insn/memory ref. */ 442 } __packed _sigfault; 443 444 struct { 445 l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */ 446 l_int _fd; 447 } __packed _sigpoll; 448 } _sifields; 449} __packed l_siginfo_t; 450 451#define lsi_pid _sifields._kill._pid 452#define lsi_uid _sifields._kill._uid 453#define lsi_tid _sifields._timer._tid 454#define lsi_overrun _sifields._timer._overrun 455#define lsi_sys_private _sifields._timer._sys_private 456#define lsi_status _sifields._sigchld._status 457#define lsi_utime _sifields._sigchld._utime 458#define lsi_stime _sifields._sigchld._stime 459#define lsi_value _sifields._rt._sigval 460#define lsi_int _sifields._rt._sigval.sival_int 461#define lsi_ptr _sifields._rt._sigval.sival_ptr 462#define lsi_addr _sifields._sigfault._addr 463#define lsi_band _sifields._sigpoll._band 464#define lsi_fd _sifields._sigpoll._fd 465 466struct l_fpreg { 467 u_int16_t significand[4]; 468 u_int16_t exponent; 469} __packed; 470 471struct l_fpxreg { 472 u_int16_t significand[4]; 473 u_int16_t exponent; 474 u_int16_t padding[3]; 475} __packed; 476 477struct l_xmmreg { 478 u_int32_t element[4]; 479} __packed; 480 481struct l_fpstate { 482 /* Regular FPU environment */ 483 u_int32_t cw; 484 u_int32_t sw; 485 u_int32_t tag; 486 u_int32_t ipoff; 487 u_int32_t cssel; 488 u_int32_t dataoff; 489 u_int32_t datasel; 490 struct l_fpreg _st[8]; 491 u_int16_t status; 492 u_int16_t magic; /* 0xffff = regular FPU data */ 493 494 /* FXSR FPU environment */ 495 u_int32_t _fxsr_env[6]; /* env is ignored. */ 496 u_int32_t mxcsr; 497 u_int32_t reserved; 498 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */ 499 struct l_xmmreg _xmm[8]; 500 u_int32_t padding[56]; 501} __packed; 502 503/* 504 * We make the stack look like Linux expects it when calling a signal 505 * handler, but use the BSD way of calling the handler and sigreturn(). 506 * This means that we need to pass the pointer to the handler too. 507 * It is appended to the frame to not interfere with the rest of it. 508 */ 509struct l_sigframe { 510 l_int sf_sig; 511 struct l_sigcontext sf_sc; 512 struct l_fpstate sf_fpstate; 513 l_uint sf_extramask[LINUX_NSIG_WORDS-1]; 514 l_handler_t sf_handler; 515} __packed; 516 517struct l_rt_sigframe { 518 l_int sf_sig; 519 l_uintptr_t sf_siginfo; 520 l_uintptr_t sf_ucontext; 521 l_siginfo_t sf_si; 522 struct l_ucontext sf_sc; 523 l_handler_t sf_handler; 524} __packed; 525 526extern struct sysentvec elf_linux_sysvec; 527 528/* 529 * open/fcntl flags 530 */ 531#define LINUX_O_RDONLY 00000000 532#define LINUX_O_WRONLY 00000001 533#define LINUX_O_RDWR 00000002 534#define LINUX_O_ACCMODE 00000003 535#define LINUX_O_CREAT 00000100 536#define LINUX_O_EXCL 00000200 537#define LINUX_O_NOCTTY 00000400 538#define LINUX_O_TRUNC 00001000 539#define LINUX_O_APPEND 00002000 540#define LINUX_O_NONBLOCK 00004000 541#define LINUX_O_NDELAY LINUX_O_NONBLOCK 542#define LINUX_O_SYNC 00010000 543#define LINUX_FASYNC 00020000 544#define LINUX_O_DIRECT 00040000 /* Direct disk access hint */ 545#define LINUX_O_LARGEFILE 00100000 546#define LINUX_O_DIRECTORY 00200000 /* Must be a directory */ 547#define LINUX_O_NOFOLLOW 00400000 /* Do not follow links */ 548#define LINUX_O_NOATIME 01000000 549#define LINUX_O_CLOEXEC 02000000 550 551#define LINUX_F_DUPFD 0 552#define LINUX_F_GETFD 1 553#define LINUX_F_SETFD 2 554#define LINUX_F_GETFL 3 555#define LINUX_F_SETFL 4 556#define LINUX_F_GETLK 5 557#define LINUX_F_SETLK 6 558#define LINUX_F_SETLKW 7 559#define LINUX_F_SETOWN 8 560#define LINUX_F_GETOWN 9 561 562#define LINUX_F_GETLK64 12 563#define LINUX_F_SETLK64 13 564#define LINUX_F_SETLKW64 14 565 566#define LINUX_F_RDLCK 0 567#define LINUX_F_WRLCK 1 568#define LINUX_F_UNLCK 2 569 570union l_semun { 571 l_int val; 572 l_uintptr_t buf; 573 l_uintptr_t array; 574 l_uintptr_t __buf; 575 l_uintptr_t __pad; 576} __packed; 577 578/* 579 * Socket defines 580 */ 581#define LINUX_SOL_SOCKET 1 582#define LINUX_SOL_IP 0 583#define LINUX_SOL_IPX 256 584#define LINUX_SOL_AX25 257 585#define LINUX_SOL_TCP 6 586#define LINUX_SOL_UDP 17 587 588#define LINUX_SO_DEBUG 1 589#define LINUX_SO_REUSEADDR 2 590#define LINUX_SO_TYPE 3 591#define LINUX_SO_ERROR 4 592#define LINUX_SO_DONTROUTE 5 593#define LINUX_SO_BROADCAST 6 594#define LINUX_SO_SNDBUF 7 595#define LINUX_SO_RCVBUF 8 596#define LINUX_SO_KEEPALIVE 9 597#define LINUX_SO_OOBINLINE 10 598#define LINUX_SO_NO_CHECK 11 599#define LINUX_SO_PRIORITY 12 600#define LINUX_SO_LINGER 13 601#define LINUX_SO_PEERCRED 17 602#define LINUX_SO_RCVLOWAT 18 603#define LINUX_SO_SNDLOWAT 19 604#define LINUX_SO_RCVTIMEO 20 605#define LINUX_SO_SNDTIMEO 21 606#define LINUX_SO_TIMESTAMP 29 607#define LINUX_SO_ACCEPTCONN 30 608 609struct l_sockaddr { 610 l_ushort sa_family; 611 char sa_data[14]; 612} __packed; 613 614struct l_msghdr { 615 l_uintptr_t msg_name; 616 l_int msg_namelen; 617 l_uintptr_t msg_iov; 618 l_size_t msg_iovlen; 619 l_uintptr_t msg_control; 620 l_size_t msg_controllen; 621 l_uint msg_flags; 622}; 623 624struct l_cmsghdr { 625 l_size_t cmsg_len; 626 l_int cmsg_level; 627 l_int cmsg_type; 628}; 629 630struct l_ifmap { 631 l_ulong mem_start; 632 l_ulong mem_end; 633 l_ushort base_addr; 634 u_char irq; 635 u_char dma; 636 u_char port; 637} __packed; 638 639#define LINUX_IFHWADDRLEN 6 640#define LINUX_IFNAMSIZ 16 641 642struct l_ifreq { 643 union { 644 char ifrn_name[LINUX_IFNAMSIZ]; 645 } ifr_ifrn; 646 647 union { 648 struct l_sockaddr ifru_addr; 649 struct l_sockaddr ifru_dstaddr; 650 struct l_sockaddr ifru_broadaddr; 651 struct l_sockaddr ifru_netmask; 652 struct l_sockaddr ifru_hwaddr; 653 l_short ifru_flags[1]; 654 l_int ifru_metric; 655 l_int ifru_mtu; 656 struct l_ifmap ifru_map; 657 char ifru_slave[LINUX_IFNAMSIZ]; 658 l_uintptr_t ifru_data; 659 } ifr_ifru; 660} __packed; 661 662#define ifr_name ifr_ifrn.ifrn_name /* Interface name */ 663#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ 664 665struct l_ifconf { 666 int ifc_len; 667 union { 668 l_uintptr_t ifcu_buf; 669 l_uintptr_t ifcu_req; 670 } ifc_ifcu; 671} __packed; 672 673#define ifc_buf ifc_ifcu.ifcu_buf 674#define ifc_req ifc_ifcu.ifcu_req 675 676/* 677 * poll() 678 */ 679#define LINUX_POLLIN 0x0001 680#define LINUX_POLLPRI 0x0002 681#define LINUX_POLLOUT 0x0004 682#define LINUX_POLLERR 0x0008 683#define LINUX_POLLHUP 0x0010 684#define LINUX_POLLNVAL 0x0020 685#define LINUX_POLLRDNORM 0x0040 686#define LINUX_POLLRDBAND 0x0080 687#define LINUX_POLLWRNORM 0x0100 688#define LINUX_POLLWRBAND 0x0200 689#define LINUX_POLLMSG 0x0400 690 691struct l_pollfd { 692 l_int fd; 693 l_short events; 694 l_short revents; 695} __packed; 696 697struct l_user_desc { 698 l_uint entry_number; 699 l_uint base_addr; 700 l_uint limit; 701 l_uint seg_32bit:1; 702 l_uint contents:2; 703 l_uint read_exec_only:1; 704 l_uint limit_in_pages:1; 705 l_uint seg_not_present:1; 706 l_uint useable:1; 707}; 708 709#define LINUX_LOWERWORD 0x0000ffff 710 711/* 712 * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h. 713 * These convert Linux user space descriptor to machine one. 714 */ 715#define LINUX_LDT_entry_a(info) \ 716 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \ 717 ((info)->limit & LINUX_LOWERWORD)) 718 719#define LINUX_ENTRY_B_READ_EXEC_ONLY 9 720#define LINUX_ENTRY_B_CONTENTS 10 721#define LINUX_ENTRY_B_SEG_NOT_PRESENT 15 722#define LINUX_ENTRY_B_BASE_ADDR 16 723#define LINUX_ENTRY_B_USEABLE 20 724#define LINUX_ENTRY_B_SEG32BIT 22 725#define LINUX_ENTRY_B_LIMIT 23 726 727#define LINUX_LDT_entry_b(info) \ 728 (((info)->base_addr & 0xff000000) | \ 729 ((info)->limit & 0xf0000) | \ 730 ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \ 731 (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \ 732 (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \ 733 (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \ 734 ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \ 735 ((info)->useable << LINUX_ENTRY_B_USEABLE) | \ 736 ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000) 737 738#define LINUX_LDT_empty(info) \ 739 ((info)->base_addr == 0 && \ 740 (info)->limit == 0 && \ 741 (info)->contents == 0 && \ 742 (info)->seg_not_present == 1 && \ 743 (info)->read_exec_only == 1 && \ 744 (info)->seg_32bit == 0 && \ 745 (info)->limit_in_pages == 0 && \ 746 (info)->useable == 0) 747 748/* 749 * Macros for converting segments. 750 * They do the same as those in arch/i386/kernel/process.c in Linux. 751 */ 752#define LINUX_GET_BASE(desc) \ 753 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \ 754 (((desc)->b << 16) & 0x00ff0000) | \ 755 ((desc)->b & 0xff000000)) 756 757#define LINUX_GET_LIMIT(desc) \ 758 (((desc)->a & LINUX_LOWERWORD) | \ 759 ((desc)->b & 0xf0000)) 760 761#define LINUX_GET_32BIT(desc) \ 762 (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1) 763#define LINUX_GET_CONTENTS(desc) \ 764 (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3) 765#define LINUX_GET_WRITABLE(desc) \ 766 (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1) 767#define LINUX_GET_LIMIT_PAGES(desc) \ 768 (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1) 769#define LINUX_GET_PRESENT(desc) \ 770 (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1) 771#define LINUX_GET_USEABLE(desc) \ 772 (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1) 773 774struct iovec; 775 776struct l_iovec32 { 777 uint32_t iov_base; 778 l_size_t iov_len; 779}; 780 781int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt, 782 struct iovec **iovp, int error); 783int linux_copyout_rusage(struct rusage *ru, void *uaddr); 784 785/* robust futexes */ 786struct linux_robust_list { 787 l_uintptr_t next; 788}; 789 790struct linux_robust_list_head { 791 struct linux_robust_list list; 792 l_long futex_offset; 793 l_uintptr_t pending_list; 794}; 795 796#endif /* !_AMD64_LINUX_H_ */ 797