linux.h revision 272020
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 272020 2014-09-23 07:50:04Z bz $ 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): "#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 48MALLOC_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#define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0) 65#define CP2(src,dst,sfld,dfld) do { (dst).dfld = (src).sfld; } while (0) 66#define PTRIN_CP(src,dst,fld) \ 67 do { (dst).fld = PTRIN((src).fld); } while (0) 68 69/* 70 * Provide a separate set of types for the Linux types. 71 */ 72typedef int l_int; 73typedef int32_t l_long; 74typedef int64_t l_longlong; 75typedef short l_short; 76typedef unsigned int l_uint; 77typedef uint32_t l_ulong; 78typedef uint64_t l_ulonglong; 79typedef unsigned short l_ushort; 80 81typedef l_ulong l_uintptr_t; 82typedef l_long l_clock_t; 83typedef l_int l_daddr_t; 84typedef l_ushort l_dev_t; 85typedef l_uint l_gid_t; 86typedef l_ushort l_gid16_t; 87typedef l_ulong l_ino_t; 88typedef l_int l_key_t; 89typedef l_longlong l_loff_t; 90typedef l_ushort l_mode_t; 91typedef l_long l_off_t; 92typedef l_int l_pid_t; 93typedef l_uint l_size_t; 94typedef l_long l_suseconds_t; 95typedef l_long l_time_t; 96typedef l_uint l_uid_t; 97typedef l_ushort l_uid16_t; 98typedef l_int l_timer_t; 99typedef l_int l_mqd_t; 100 101typedef struct { 102 l_int val[2]; 103} __packed l_fsid_t; 104 105typedef struct { 106 l_time_t tv_sec; 107 l_suseconds_t tv_usec; 108} l_timeval; 109 110#define l_fd_set fd_set 111 112/* 113 * Miscellaneous 114 */ 115#define LINUX_AT_COUNT 16 /* Count of used aux entry types. 116 * Keep this synchronized with 117 * elf_linux_fixup() code. 118 */ 119struct l___sysctl_args 120{ 121 l_uintptr_t name; 122 l_int nlen; 123 l_uintptr_t oldval; 124 l_uintptr_t oldlenp; 125 l_uintptr_t newval; 126 l_size_t newlen; 127 l_ulong __spare[4]; 128} __packed; 129 130/* Resource limits */ 131#define LINUX_RLIMIT_CPU 0 132#define LINUX_RLIMIT_FSIZE 1 133#define LINUX_RLIMIT_DATA 2 134#define LINUX_RLIMIT_STACK 3 135#define LINUX_RLIMIT_CORE 4 136#define LINUX_RLIMIT_RSS 5 137#define LINUX_RLIMIT_NPROC 6 138#define LINUX_RLIMIT_NOFILE 7 139#define LINUX_RLIMIT_MEMLOCK 8 140#define LINUX_RLIMIT_AS 9 /* Address space limit */ 141 142#define LINUX_RLIM_NLIMITS 10 143 144struct l_rlimit { 145 l_ulong rlim_cur; 146 l_ulong rlim_max; 147} __packed; 148 149struct l_rusage { 150 l_timeval ru_utime; 151 l_timeval ru_stime; 152 l_long ru_maxrss; 153 l_long ru_ixrss; 154 l_long ru_idrss; 155 l_long ru_isrss; 156 l_long ru_minflt; 157 l_long ru_majflt; 158 l_long ru_nswap; 159 l_long ru_inblock; 160 l_long ru_oublock; 161 l_long ru_msgsnd; 162 l_long ru_msgrcv; 163 l_long ru_nsignals; 164 l_long ru_nvcsw; 165 l_long ru_nivcsw; 166} __packed; 167 168/* mmap options */ 169#define LINUX_MAP_SHARED 0x0001 170#define LINUX_MAP_PRIVATE 0x0002 171#define LINUX_MAP_FIXED 0x0010 172#define LINUX_MAP_ANON 0x0020 173#define LINUX_MAP_GROWSDOWN 0x0100 174 175struct l_mmap_argv { 176 l_uintptr_t addr; 177 l_size_t len; 178 l_int prot; 179 l_int flags; 180 l_int fd; 181 l_ulong pgoff; 182}; 183 184/* 185 * stat family of syscalls 186 */ 187struct l_timespec { 188 l_time_t tv_sec; 189 l_long tv_nsec; 190} __packed; 191 192struct l_newstat { 193 l_ushort st_dev; 194 l_ushort __pad1; 195 l_ulong st_ino; 196 l_ushort st_mode; 197 l_ushort st_nlink; 198 l_ushort st_uid; 199 l_ushort st_gid; 200 l_ushort st_rdev; 201 l_ushort __pad2; 202 l_ulong st_size; 203 l_ulong st_blksize; 204 l_ulong st_blocks; 205 struct l_timespec st_atim; 206 struct l_timespec st_mtim; 207 struct l_timespec st_ctim; 208 l_ulong __unused4; 209 l_ulong __unused5; 210} __packed; 211 212struct l_stat { 213 l_ushort st_dev; 214 l_ulong st_ino; 215 l_ushort st_mode; 216 l_ushort st_nlink; 217 l_ushort st_uid; 218 l_ushort st_gid; 219 l_ushort st_rdev; 220 l_long st_size; 221 struct l_timespec st_atim; 222 struct l_timespec st_mtim; 223 struct l_timespec st_ctim; 224 l_long st_blksize; 225 l_long st_blocks; 226 l_ulong st_flags; 227 l_ulong st_gen; 228}; 229 230struct l_stat64 { 231 l_ushort st_dev; 232 u_char __pad0[10]; 233 l_ulong __st_ino; 234 l_uint st_mode; 235 l_uint st_nlink; 236 l_ulong st_uid; 237 l_ulong st_gid; 238 l_ushort st_rdev; 239 u_char __pad3[10]; 240 l_longlong st_size; 241 l_ulong st_blksize; 242 l_ulong st_blocks; 243 l_ulong __pad4; 244 struct l_timespec st_atim; 245 struct l_timespec st_mtim; 246 struct l_timespec st_ctim; 247 l_ulonglong st_ino; 248} __packed; 249 250struct l_statfs64 { 251 l_int f_type; 252 l_int f_bsize; 253 uint64_t f_blocks; 254 uint64_t f_bfree; 255 uint64_t f_bavail; 256 uint64_t f_files; 257 uint64_t f_ffree; 258 l_fsid_t f_fsid; 259 l_int f_namelen; 260 l_int f_spare[6]; 261} __packed; 262 263/* 264 * Signalling 265 */ 266#define LINUX_SIGHUP 1 267#define LINUX_SIGINT 2 268#define LINUX_SIGQUIT 3 269#define LINUX_SIGILL 4 270#define LINUX_SIGTRAP 5 271#define LINUX_SIGABRT 6 272#define LINUX_SIGIOT LINUX_SIGABRT 273#define LINUX_SIGBUS 7 274#define LINUX_SIGFPE 8 275#define LINUX_SIGKILL 9 276#define LINUX_SIGUSR1 10 277#define LINUX_SIGSEGV 11 278#define LINUX_SIGUSR2 12 279#define LINUX_SIGPIPE 13 280#define LINUX_SIGALRM 14 281#define LINUX_SIGTERM 15 282#define LINUX_SIGSTKFLT 16 283#define LINUX_SIGCHLD 17 284#define LINUX_SIGCONT 18 285#define LINUX_SIGSTOP 19 286#define LINUX_SIGTSTP 20 287#define LINUX_SIGTTIN 21 288#define LINUX_SIGTTOU 22 289#define LINUX_SIGURG 23 290#define LINUX_SIGXCPU 24 291#define LINUX_SIGXFSZ 25 292#define LINUX_SIGVTALRM 26 293#define LINUX_SIGPROF 27 294#define LINUX_SIGWINCH 28 295#define LINUX_SIGIO 29 296#define LINUX_SIGPOLL LINUX_SIGIO 297#define LINUX_SIGPWR 30 298#define LINUX_SIGSYS 31 299#define LINUX_SIGRTMIN 32 300 301#define LINUX_SIGTBLSZ 31 302#define LINUX_NSIG_WORDS 2 303#define LINUX_NBPW 32 304#define LINUX_NSIG (LINUX_NBPW * LINUX_NSIG_WORDS) 305 306/* sigaction flags */ 307#define LINUX_SA_NOCLDSTOP 0x00000001 308#define LINUX_SA_NOCLDWAIT 0x00000002 309#define LINUX_SA_SIGINFO 0x00000004 310#define LINUX_SA_RESTORER 0x04000000 311#define LINUX_SA_ONSTACK 0x08000000 312#define LINUX_SA_RESTART 0x10000000 313#define LINUX_SA_INTERRUPT 0x20000000 314#define LINUX_SA_NOMASK 0x40000000 315#define LINUX_SA_ONESHOT 0x80000000 316 317/* sigprocmask actions */ 318#define LINUX_SIG_BLOCK 0 319#define LINUX_SIG_UNBLOCK 1 320#define LINUX_SIG_SETMASK 2 321 322/* sigset_t macros */ 323#define LINUX_SIGEMPTYSET(set) (set).__bits[0] = (set).__bits[1] = 0 324#define LINUX_SIGISMEMBER(set, sig) SIGISMEMBER(set, sig) 325#define LINUX_SIGADDSET(set, sig) SIGADDSET(set, sig) 326 327/* sigaltstack */ 328#define LINUX_MINSIGSTKSZ 2048 329#define LINUX_SS_ONSTACK 1 330#define LINUX_SS_DISABLE 2 331 332int linux_to_bsd_sigaltstack(int lsa); 333int bsd_to_linux_sigaltstack(int bsa); 334 335typedef l_uintptr_t l_handler_t; 336typedef l_ulong l_osigset_t; 337 338typedef struct { 339 l_uint __bits[LINUX_NSIG_WORDS]; 340} __packed l_sigset_t; 341 342typedef struct { 343 l_handler_t lsa_handler; 344 l_osigset_t lsa_mask; 345 l_ulong lsa_flags; 346 l_uintptr_t lsa_restorer; 347} __packed l_osigaction_t; 348 349typedef struct { 350 l_handler_t lsa_handler; 351 l_ulong lsa_flags; 352 l_uintptr_t lsa_restorer; 353 l_sigset_t lsa_mask; 354} __packed l_sigaction_t; 355 356typedef struct { 357 l_uintptr_t ss_sp; 358 l_int ss_flags; 359 l_size_t ss_size; 360} __packed l_stack_t; 361 362/* The Linux sigcontext, pretty much a standard 386 trapframe. */ 363struct l_sigcontext { 364 l_uint sc_gs; 365 l_uint sc_fs; 366 l_uint sc_es; 367 l_uint sc_ds; 368 l_uint sc_edi; 369 l_uint sc_esi; 370 l_uint sc_ebp; 371 l_uint sc_esp; 372 l_uint sc_ebx; 373 l_uint sc_edx; 374 l_uint sc_ecx; 375 l_uint sc_eax; 376 l_uint sc_trapno; 377 l_uint sc_err; 378 l_uint sc_eip; 379 l_uint sc_cs; 380 l_uint sc_eflags; 381 l_uint sc_esp_at_signal; 382 l_uint sc_ss; 383 l_uint sc_387; 384 l_uint sc_mask; 385 l_uint sc_cr2; 386} __packed; 387 388struct l_ucontext { 389 l_ulong uc_flags; 390 l_uintptr_t uc_link; 391 l_stack_t uc_stack; 392 struct l_sigcontext uc_mcontext; 393 l_sigset_t uc_sigmask; 394} __packed; 395 396#define LINUX_SI_MAX_SIZE 128 397#define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3) 398 399typedef union l_sigval { 400 l_int sival_int; 401 l_uintptr_t sival_ptr; 402} l_sigval_t; 403 404typedef struct l_siginfo { 405 l_int lsi_signo; 406 l_int lsi_errno; 407 l_int lsi_code; 408 union { 409 l_int _pad[LINUX_SI_PAD_SIZE]; 410 411 struct { 412 l_pid_t _pid; 413 l_uid_t _uid; 414 } __packed _kill; 415 416 struct { 417 l_timer_t _tid; 418 l_int _overrun; 419 char _pad[sizeof(l_uid_t) - sizeof(l_int)]; 420 l_sigval_t _sigval; 421 l_int _sys_private; 422 } __packed _timer; 423 424 struct { 425 l_pid_t _pid; /* sender's pid */ 426 l_uid_t _uid; /* sender's uid */ 427 l_sigval_t _sigval; 428 } __packed _rt; 429 430 struct { 431 l_pid_t _pid; /* which child */ 432 l_uid_t _uid; /* sender's uid */ 433 l_int _status; /* exit code */ 434 l_clock_t _utime; 435 l_clock_t _stime; 436 } __packed _sigchld; 437 438 struct { 439 l_uintptr_t _addr; /* Faulting insn/memory ref. */ 440 } __packed _sigfault; 441 442 struct { 443 l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */ 444 l_int _fd; 445 } __packed _sigpoll; 446 } _sifields; 447} __packed l_siginfo_t; 448 449#define lsi_pid _sifields._kill._pid 450#define lsi_uid _sifields._kill._uid 451#define lsi_tid _sifields._timer._tid 452#define lsi_overrun _sifields._timer._overrun 453#define lsi_sys_private _sifields._timer._sys_private 454#define lsi_status _sifields._sigchld._status 455#define lsi_utime _sifields._sigchld._utime 456#define lsi_stime _sifields._sigchld._stime 457#define lsi_value _sifields._rt._sigval 458#define lsi_int _sifields._rt._sigval.sival_int 459#define lsi_ptr _sifields._rt._sigval.sival_ptr 460#define lsi_addr _sifields._sigfault._addr 461#define lsi_band _sifields._sigpoll._band 462#define lsi_fd _sifields._sigpoll._fd 463 464struct l_fpreg { 465 u_int16_t significand[4]; 466 u_int16_t exponent; 467} __packed; 468 469struct l_fpxreg { 470 u_int16_t significand[4]; 471 u_int16_t exponent; 472 u_int16_t padding[3]; 473} __packed; 474 475struct l_xmmreg { 476 u_int32_t element[4]; 477} __packed; 478 479struct l_fpstate { 480 /* Regular FPU environment */ 481 u_int32_t cw; 482 u_int32_t sw; 483 u_int32_t tag; 484 u_int32_t ipoff; 485 u_int32_t cssel; 486 u_int32_t dataoff; 487 u_int32_t datasel; 488 struct l_fpreg _st[8]; 489 u_int16_t status; 490 u_int16_t magic; /* 0xffff = regular FPU data */ 491 492 /* FXSR FPU environment */ 493 u_int32_t _fxsr_env[6]; /* env is ignored. */ 494 u_int32_t mxcsr; 495 u_int32_t reserved; 496 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */ 497 struct l_xmmreg _xmm[8]; 498 u_int32_t padding[56]; 499} __packed; 500 501/* 502 * We make the stack look like Linux expects it when calling a signal 503 * handler, but use the BSD way of calling the handler and sigreturn(). 504 * This means that we need to pass the pointer to the handler too. 505 * It is appended to the frame to not interfere with the rest of it. 506 */ 507struct l_sigframe { 508 l_int sf_sig; 509 struct l_sigcontext sf_sc; 510 struct l_fpstate sf_fpstate; 511 l_uint sf_extramask[LINUX_NSIG_WORDS-1]; 512 l_handler_t sf_handler; 513} __packed; 514 515struct l_rt_sigframe { 516 l_int sf_sig; 517 l_uintptr_t sf_siginfo; 518 l_uintptr_t sf_ucontext; 519 l_siginfo_t sf_si; 520 struct l_ucontext sf_sc; 521 l_handler_t sf_handler; 522} __packed; 523 524extern struct sysentvec elf_linux_sysvec; 525 526/* 527 * open/fcntl flags 528 */ 529#define LINUX_O_RDONLY 00000000 530#define LINUX_O_WRONLY 00000001 531#define LINUX_O_RDWR 00000002 532#define LINUX_O_ACCMODE 00000003 533#define LINUX_O_CREAT 00000100 534#define LINUX_O_EXCL 00000200 535#define LINUX_O_NOCTTY 00000400 536#define LINUX_O_TRUNC 00001000 537#define LINUX_O_APPEND 00002000 538#define LINUX_O_NONBLOCK 00004000 539#define LINUX_O_NDELAY LINUX_O_NONBLOCK 540#define LINUX_O_SYNC 00010000 541#define LINUX_FASYNC 00020000 542#define LINUX_O_DIRECT 00040000 /* Direct disk access hint */ 543#define LINUX_O_LARGEFILE 00100000 544#define LINUX_O_DIRECTORY 00200000 /* Must be a directory */ 545#define LINUX_O_NOFOLLOW 00400000 /* Do not follow links */ 546#define LINUX_O_NOATIME 01000000 547#define LINUX_O_CLOEXEC 02000000 548 549#define LINUX_F_DUPFD 0 550#define LINUX_F_GETFD 1 551#define LINUX_F_SETFD 2 552#define LINUX_F_GETFL 3 553#define LINUX_F_SETFL 4 554#define LINUX_F_GETLK 5 555#define LINUX_F_SETLK 6 556#define LINUX_F_SETLKW 7 557#define LINUX_F_SETOWN 8 558#define LINUX_F_GETOWN 9 559 560#define LINUX_F_GETLK64 12 561#define LINUX_F_SETLK64 13 562#define LINUX_F_SETLKW64 14 563 564#define LINUX_F_RDLCK 0 565#define LINUX_F_WRLCK 1 566#define LINUX_F_UNLCK 2 567 568union l_semun { 569 l_int val; 570 l_uintptr_t buf; 571 l_uintptr_t array; 572 l_uintptr_t __buf; 573 l_uintptr_t __pad; 574} __packed; 575 576/* 577 * Socket defines 578 */ 579#define LINUX_SOL_SOCKET 1 580#define LINUX_SOL_IP 0 581#define LINUX_SOL_IPX 256 582#define LINUX_SOL_AX25 257 583#define LINUX_SOL_TCP 6 584#define LINUX_SOL_UDP 17 585 586#define LINUX_SO_DEBUG 1 587#define LINUX_SO_REUSEADDR 2 588#define LINUX_SO_TYPE 3 589#define LINUX_SO_ERROR 4 590#define LINUX_SO_DONTROUTE 5 591#define LINUX_SO_BROADCAST 6 592#define LINUX_SO_SNDBUF 7 593#define LINUX_SO_RCVBUF 8 594#define LINUX_SO_KEEPALIVE 9 595#define LINUX_SO_OOBINLINE 10 596#define LINUX_SO_NO_CHECK 11 597#define LINUX_SO_PRIORITY 12 598#define LINUX_SO_LINGER 13 599#define LINUX_SO_PEERCRED 17 600#define LINUX_SO_RCVLOWAT 18 601#define LINUX_SO_SNDLOWAT 19 602#define LINUX_SO_RCVTIMEO 20 603#define LINUX_SO_SNDTIMEO 21 604#define LINUX_SO_TIMESTAMP 29 605#define LINUX_SO_ACCEPTCONN 30 606 607struct l_sockaddr { 608 l_ushort sa_family; 609 char sa_data[14]; 610} __packed; 611 612struct l_msghdr { 613 l_uintptr_t msg_name; 614 l_int msg_namelen; 615 l_uintptr_t msg_iov; 616 l_size_t msg_iovlen; 617 l_uintptr_t msg_control; 618 l_size_t msg_controllen; 619 l_uint msg_flags; 620}; 621 622struct l_cmsghdr { 623 l_size_t cmsg_len; 624 l_int cmsg_level; 625 l_int cmsg_type; 626}; 627 628struct l_ifmap { 629 l_ulong mem_start; 630 l_ulong mem_end; 631 l_ushort base_addr; 632 u_char irq; 633 u_char dma; 634 u_char port; 635} __packed; 636 637#define LINUX_IFHWADDRLEN 6 638#define LINUX_IFNAMSIZ 16 639 640struct l_ifreq { 641 union { 642 char ifrn_name[LINUX_IFNAMSIZ]; 643 } ifr_ifrn; 644 645 union { 646 struct l_sockaddr ifru_addr; 647 struct l_sockaddr ifru_dstaddr; 648 struct l_sockaddr ifru_broadaddr; 649 struct l_sockaddr ifru_netmask; 650 struct l_sockaddr ifru_hwaddr; 651 l_short ifru_flags[1]; 652 l_int ifru_metric; 653 l_int ifru_mtu; 654 struct l_ifmap ifru_map; 655 char ifru_slave[LINUX_IFNAMSIZ]; 656 l_uintptr_t ifru_data; 657 } ifr_ifru; 658} __packed; 659 660#define ifr_name ifr_ifrn.ifrn_name /* Interface name */ 661#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ 662 663struct l_ifconf { 664 int ifc_len; 665 union { 666 l_uintptr_t ifcu_buf; 667 l_uintptr_t ifcu_req; 668 } ifc_ifcu; 669} __packed; 670 671#define ifc_buf ifc_ifcu.ifcu_buf 672#define ifc_req ifc_ifcu.ifcu_req 673 674/* 675 * poll() 676 */ 677#define LINUX_POLLIN 0x0001 678#define LINUX_POLLPRI 0x0002 679#define LINUX_POLLOUT 0x0004 680#define LINUX_POLLERR 0x0008 681#define LINUX_POLLHUP 0x0010 682#define LINUX_POLLNVAL 0x0020 683#define LINUX_POLLRDNORM 0x0040 684#define LINUX_POLLRDBAND 0x0080 685#define LINUX_POLLWRNORM 0x0100 686#define LINUX_POLLWRBAND 0x0200 687#define LINUX_POLLMSG 0x0400 688 689struct l_pollfd { 690 l_int fd; 691 l_short events; 692 l_short revents; 693} __packed; 694 695struct l_user_desc { 696 l_uint entry_number; 697 l_uint base_addr; 698 l_uint limit; 699 l_uint seg_32bit:1; 700 l_uint contents:2; 701 l_uint read_exec_only:1; 702 l_uint limit_in_pages:1; 703 l_uint seg_not_present:1; 704 l_uint useable:1; 705}; 706 707#define LINUX_LOWERWORD 0x0000ffff 708 709/* 710 * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h. 711 * These convert Linux user space descriptor to machine one. 712 */ 713#define LINUX_LDT_entry_a(info) \ 714 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \ 715 ((info)->limit & LINUX_LOWERWORD)) 716 717#define LINUX_ENTRY_B_READ_EXEC_ONLY 9 718#define LINUX_ENTRY_B_CONTENTS 10 719#define LINUX_ENTRY_B_SEG_NOT_PRESENT 15 720#define LINUX_ENTRY_B_BASE_ADDR 16 721#define LINUX_ENTRY_B_USEABLE 20 722#define LINUX_ENTRY_B_SEG32BIT 22 723#define LINUX_ENTRY_B_LIMIT 23 724 725#define LINUX_LDT_entry_b(info) \ 726 (((info)->base_addr & 0xff000000) | \ 727 ((info)->limit & 0xf0000) | \ 728 ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \ 729 (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \ 730 (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \ 731 (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \ 732 ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \ 733 ((info)->useable << LINUX_ENTRY_B_USEABLE) | \ 734 ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000) 735 736#define LINUX_LDT_empty(info) \ 737 ((info)->base_addr == 0 && \ 738 (info)->limit == 0 && \ 739 (info)->contents == 0 && \ 740 (info)->seg_not_present == 1 && \ 741 (info)->read_exec_only == 1 && \ 742 (info)->seg_32bit == 0 && \ 743 (info)->limit_in_pages == 0 && \ 744 (info)->useable == 0) 745 746/* 747 * Macros for converting segments. 748 * They do the same as those in arch/i386/kernel/process.c in Linux. 749 */ 750#define LINUX_GET_BASE(desc) \ 751 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \ 752 (((desc)->b << 16) & 0x00ff0000) | \ 753 ((desc)->b & 0xff000000)) 754 755#define LINUX_GET_LIMIT(desc) \ 756 (((desc)->a & LINUX_LOWERWORD) | \ 757 ((desc)->b & 0xf0000)) 758 759#define LINUX_GET_32BIT(desc) \ 760 (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1) 761#define LINUX_GET_CONTENTS(desc) \ 762 (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3) 763#define LINUX_GET_WRITABLE(desc) \ 764 (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1) 765#define LINUX_GET_LIMIT_PAGES(desc) \ 766 (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1) 767#define LINUX_GET_PRESENT(desc) \ 768 (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1) 769#define LINUX_GET_USEABLE(desc) \ 770 (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1) 771 772struct iovec; 773 774struct l_iovec32 { 775 uint32_t iov_base; 776 l_size_t iov_len; 777}; 778 779int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt, 780 struct iovec **iovp, int error); 781 782/* robust futexes */ 783struct linux_robust_list { 784 l_uintptr_t next; 785}; 786 787struct linux_robust_list_head { 788 struct linux_robust_list list; 789 l_long futex_offset; 790 l_uintptr_t pending_list; 791}; 792 793#endif /* !_AMD64_LINUX_H_ */ 794