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 * $FreeBSD$ 31 */ 32 33 #ifndef _AMD64_LINUX_H_ 34 #define _AMD64_LINUX_H_ 35 36 #include <compat/linux/linux.h> 37 #include <amd64/linux32/linux32_syscall.h> 38 39 /* 40 * debugging support 41 */ 42 extern u_char linux_debug_map[]; 43 #define ldebug(name) isclr(linux_debug_map, LINUX32_SYS_linux_ ## name) 44 #define ARGS(nm, fmt) "linux(%ld/%ld): "#nm"("fmt")\n", \ 45 (long)td->td_proc->p_pid, (long)td->td_tid 46 #define LMSG(fmt) "linux(%ld/%ld): "fmt"\n", \ 47 (long)td->td_proc->p_pid, (long)td->td_tid 48 #define LINUX_DTRACE linuxulator32 49 50 #define LINUX32_MAXUSER ((1ul << 32) - PAGE_SIZE) 51 #define LINUX32_SHAREDPAGE (LINUX32_MAXUSER - PAGE_SIZE) 52 #define LINUX32_USRSTACK LINUX32_SHAREDPAGE 53 54 /* XXX 16 = sizeof(linux32_ps_strings) */ 55 #define LINUX32_PS_STRINGS (LINUX32_USRSTACK - 16) 56 #define LINUX32_MAXDSIZ (512 * 1024 * 1024) /* 512MB */ 57 #define LINUX32_MAXSSIZ (64 * 1024 * 1024) /* 64MB */ 58 #define LINUX32_MAXVMEM 0 /* Unlimited */ 59 60 #define PTRIN(v) (void *)(uintptr_t)(v) 61 #define PTROUT(v) (l_uintptr_t)(uintptr_t)(v) 62 63 #define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0) 64 #define CP2(src,dst,sfld,dfld) do { (dst).dfld = (src).sfld; } while (0) 65 #define PTRIN_CP(src,dst,fld) \ 66 do { (dst).fld = PTRIN((src).fld); } while (0) 67 68 /* 69 * Provide a separate set of types for the Linux types. 70 */ 71 typedef int l_int; 72 typedef int32_t l_long; 73 typedef int64_t l_longlong; 74 typedef short l_short; 75 typedef unsigned int l_uint; 76 typedef uint32_t l_ulong; 77 typedef uint64_t l_ulonglong; 78 typedef unsigned short l_ushort; 79 80 typedef l_ulong l_uintptr_t; 81 typedef l_long l_clock_t; 82 typedef l_int l_daddr_t; 83 typedef l_ushort l_dev_t; 84 typedef l_uint l_gid_t; 85 typedef l_ushort l_gid16_t; 86 typedef l_ulong l_ino_t; 87 typedef l_int l_key_t; 88 typedef l_longlong l_loff_t; 89 typedef l_ushort l_mode_t; 90 typedef l_long l_off_t; 91 typedef l_int l_pid_t; 92 typedef l_uint l_size_t; 93 typedef l_long l_suseconds_t; 94 typedef l_long l_time_t; 95 typedef l_uint l_uid_t; 96 typedef l_ushort l_uid16_t; 97 typedef l_int l_timer_t; 98 typedef l_int l_mqd_t; 99 typedef l_ulong l_fd_mask; 100 101 typedef struct { 102 l_int val[2]; 103 } __packed l_fsid_t; 104 105 typedef 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 20 /* Count of used aux entry types. 116 * Keep this synchronized with 117 * elf_linux_fixup() code. 118 */ 119 struct 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 10 143 144 struct l_rlimit { 145 l_ulong rlim_cur; 146 l_ulong rlim_max; 147 } __packed; 148 149 struct 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 174 175 struct 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 */ 187 struct l_timespec { 188 l_time_t tv_sec; 189 l_long tv_nsec; 190 } __packed; 191 192 struct 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; 211 212 struct 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 }; 229 230 struct 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; 249 250 struct 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 /* sigaction flags */ 264 #define LINUX_SA_NOCLDSTOP 0x00000001 265 #define LINUX_SA_NOCLDWAIT 0x00000002 266 #define LINUX_SA_SIGINFO 0x00000004 267 #define LINUX_SA_RESTORER 0x04000000 268 #define LINUX_SA_ONSTACK 0x08000000 269 #define LINUX_SA_RESTART 0x10000000 270 #define LINUX_SA_INTERRUPT 0x20000000 271 #define LINUX_SA_NOMASK 0x40000000 272 #define LINUX_SA_ONESHOT 0x80000000 273 274 /* sigprocmask actions */ 275 #define LINUX_SIG_BLOCK 0 276 #define LINUX_SIG_UNBLOCK 1 277 #define LINUX_SIG_SETMASK 2 278 279 /* sigaltstack */ 280 #define LINUX_MINSIGSTKSZ 2048 281 282 typedef l_uintptr_t l_handler_t; 283 typedef l_ulong l_osigset_t; 284 285 typedef struct { 286 l_handler_t lsa_handler; 287 l_osigset_t lsa_mask; 288 l_ulong lsa_flags; 289 l_uintptr_t lsa_restorer; 290 } __packed l_osigaction_t; 291 292 typedef struct { 293 l_handler_t lsa_handler; 294 l_ulong lsa_flags; 295 l_uintptr_t lsa_restorer; 296 l_sigset_t lsa_mask; 297 } __packed l_sigaction_t; 298 299 typedef struct { 300 l_uintptr_t ss_sp; 301 l_int ss_flags; 302 l_size_t ss_size; 303 } __packed l_stack_t; 304 305 /* The Linux sigcontext, pretty much a standard 386 trapframe. */ 306 struct l_sigcontext { 307 l_uint sc_gs; 308 l_uint sc_fs; 309 l_uint sc_es; 310 l_uint sc_ds; 311 l_uint sc_edi; 312 l_uint sc_esi; 313 l_uint sc_ebp; 314 l_uint sc_esp; 315 l_uint sc_ebx; 316 l_uint sc_edx; 317 l_uint sc_ecx; 318 l_uint sc_eax; 319 l_uint sc_trapno; 320 l_uint sc_err; 321 l_uint sc_eip; 322 l_uint sc_cs; 323 l_uint sc_eflags; 324 l_uint sc_esp_at_signal; 325 l_uint sc_ss; 326 l_uint sc_387; 327 l_uint sc_mask; 328 l_uint sc_cr2; 329 } __packed; 330 331 struct l_ucontext { 332 l_ulong uc_flags; 333 l_uintptr_t uc_link; 334 l_stack_t uc_stack; 335 struct l_sigcontext uc_mcontext; 336 l_sigset_t uc_sigmask; 337 } __packed; 338 339 #define LINUX_SI_MAX_SIZE 128 340 #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3) 341 342 typedef union l_sigval { 343 l_int sival_int; 344 l_uintptr_t sival_ptr; 345 } l_sigval_t; 346 347 typedef struct l_siginfo { 348 l_int lsi_signo; 349 l_int lsi_errno; 350 l_int lsi_code; 351 union { 352 l_int _pad[LINUX_SI_PAD_SIZE]; 353 354 struct { 355 l_pid_t _pid; 356 l_uid_t _uid; 357 } __packed _kill; 358 359 struct { 360 l_timer_t _tid; 361 l_int _overrun; 362 char _pad[sizeof(l_uid_t) - sizeof(l_int)]; 363 l_sigval_t _sigval; 364 l_int _sys_private; 365 } __packed _timer; 366 367 struct { 368 l_pid_t _pid; /* sender's pid */ 369 l_uid_t _uid; /* sender's uid */ 370 l_sigval_t _sigval; 371 } __packed _rt; 372 373 struct { 374 l_pid_t _pid; /* which child */ 375 l_uid_t _uid; /* sender's uid */ 376 l_int _status; /* exit code */ 377 l_clock_t _utime; 378 l_clock_t _stime; 379 } __packed _sigchld; 380 381 struct { 382 l_uintptr_t _addr; /* Faulting insn/memory ref. */ 383 } __packed _sigfault; 384 385 struct { 386 l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */ 387 l_int _fd; 388 } __packed _sigpoll; 389 } _sifields; 390 } __packed l_siginfo_t; 391 392 #define lsi_pid _sifields._kill._pid 393 #define lsi_uid _sifields._kill._uid 394 #define lsi_tid _sifields._timer._tid 395 #define lsi_overrun _sifields._timer._overrun 396 #define lsi_sys_private _sifields._timer._sys_private 397 #define lsi_status _sifields._sigchld._status 398 #define lsi_utime _sifields._sigchld._utime 399 #define lsi_stime _sifields._sigchld._stime 400 #define lsi_value _sifields._rt._sigval 401 #define lsi_int _sifields._rt._sigval.sival_int 402 #define lsi_ptr _sifields._rt._sigval.sival_ptr 403 #define lsi_addr _sifields._sigfault._addr 404 #define lsi_band _sifields._sigpoll._band 405 #define lsi_fd _sifields._sigpoll._fd 406 407 struct l_fpreg { 408 u_int16_t significand[4]; 409 u_int16_t exponent; 410 } __packed; 411 412 struct l_fpxreg { 413 u_int16_t significand[4]; 414 u_int16_t exponent; 415 u_int16_t padding[3]; 416 } __packed; 417 418 struct l_xmmreg { 419 u_int32_t element[4]; 420 } __packed; 421 422 struct l_fpstate { 423 /* Regular FPU environment */ 424 u_int32_t cw; 425 u_int32_t sw; 426 u_int32_t tag; 427 u_int32_t ipoff; 428 u_int32_t cssel; 429 u_int32_t dataoff; 430 u_int32_t datasel; 431 struct l_fpreg _st[8]; 432 u_int16_t status; 433 u_int16_t magic; /* 0xffff = regular FPU data */ 434 435 /* FXSR FPU environment */ 436 u_int32_t _fxsr_env[6]; /* env is ignored. */ 437 u_int32_t mxcsr; 438 u_int32_t reserved; 439 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */ 440 struct l_xmmreg _xmm[8]; 441 u_int32_t padding[56]; 442 } __packed; 443 444 /* 445 * We make the stack look like Linux expects it when calling a signal 446 * handler, but use the BSD way of calling the handler and sigreturn(). 447 * This means that we need to pass the pointer to the handler too. 448 * It is appended to the frame to not interfere with the rest of it. 449 */ 450 struct l_sigframe { 451 l_int sf_sig; 452 struct l_sigcontext sf_sc; 453 struct l_fpstate sf_fpstate; 454 l_uint sf_extramask[1]; 455 l_handler_t sf_handler; 456 } __packed; 457 458 struct l_rt_sigframe { 459 l_int sf_sig; 460 l_uintptr_t sf_siginfo; 461 l_uintptr_t sf_ucontext; 462 l_siginfo_t sf_si; 463 struct l_ucontext sf_sc; 464 l_handler_t sf_handler; 465 } __packed; 466 467 /* 468 * arch specific open/fcntl flags 469 */ 470 #define LINUX_F_GETLK64 12 471 #define LINUX_F_SETLK64 13 472 #define LINUX_F_SETLKW64 14 473 474 union l_semun { 475 l_int val; 476 l_uintptr_t buf; 477 l_uintptr_t array; 478 l_uintptr_t __buf; 479 l_uintptr_t __pad; 480 } __packed; 481 482 struct l_ipc_perm { 483 l_key_t key; 484 l_uid16_t uid; 485 l_gid16_t gid; 486 l_uid16_t cuid; 487 l_gid16_t cgid; 488 l_ushort mode; 489 l_ushort seq; 490 }; 491 492 /* 493 * Socket defines 494 */ 495 #define LINUX_SOL_SOCKET 1 496 #define LINUX_SOL_IP 0 497 #define LINUX_SOL_IPX 256 498 #define LINUX_SOL_AX25 257 499 #define LINUX_SOL_TCP 6 500 #define LINUX_SOL_UDP 17 501 502 #define LINUX_SO_DEBUG 1 503 #define LINUX_SO_REUSEADDR 2 504 #define LINUX_SO_TYPE 3 505 #define LINUX_SO_ERROR 4 506 #define LINUX_SO_DONTROUTE 5 507 #define LINUX_SO_BROADCAST 6 508 #define LINUX_SO_SNDBUF 7 509 #define LINUX_SO_RCVBUF 8 510 #define LINUX_SO_KEEPALIVE 9 511 #define LINUX_SO_OOBINLINE 10 512 #define LINUX_SO_NO_CHECK 11 513 #define LINUX_SO_PRIORITY 12 514 #define LINUX_SO_LINGER 13 515 #define LINUX_SO_PEERCRED 17 516 #define LINUX_SO_RCVLOWAT 18 517 #define LINUX_SO_SNDLOWAT 19 518 #define LINUX_SO_RCVTIMEO 20 519 #define LINUX_SO_SNDTIMEO 21 520 #define LINUX_SO_TIMESTAMP 29 521 #define LINUX_SO_ACCEPTCONN 30 522 523 struct l_sockaddr { 524 l_ushort sa_family; 525 char sa_data[14]; 526 } __packed; 527 528 struct l_ifmap { 529 l_ulong mem_start; 530 l_ulong mem_end; 531 l_ushort base_addr; 532 u_char irq; 533 u_char dma; 534 u_char port; 535 } __packed; 536 537 #define LINUX_IFHWADDRLEN 6 538 #define LINUX_IFNAMSIZ 16 539 540 struct l_ifreq { 541 union { 542 char ifrn_name[LINUX_IFNAMSIZ]; 543 } ifr_ifrn; 544 545 union { 546 struct l_sockaddr ifru_addr; 547 struct l_sockaddr ifru_dstaddr; 548 struct l_sockaddr ifru_broadaddr; 549 struct l_sockaddr ifru_netmask; 550 struct l_sockaddr ifru_hwaddr; 551 l_short ifru_flags[1]; 552 l_int ifru_metric; 553 l_int ifru_mtu; 554 struct l_ifmap ifru_map; 555 char ifru_slave[LINUX_IFNAMSIZ]; 556 l_uintptr_t ifru_data; 557 } ifr_ifru; 558 } __packed; 559 560 #define ifr_name ifr_ifrn.ifrn_name /* Interface name */ 561 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ 562 563 struct l_ifconf { 564 int ifc_len; 565 union { 566 l_uintptr_t ifcu_buf; 567 l_uintptr_t ifcu_req; 568 } ifc_ifcu; 569 } __packed; 570 571 #define ifc_buf ifc_ifcu.ifcu_buf 572 #define ifc_req ifc_ifcu.ifcu_req 573 574 /* 575 * poll() 576 */ 577 #define LINUX_POLLIN 0x0001 578 #define LINUX_POLLPRI 0x0002 579 #define LINUX_POLLOUT 0x0004 580 #define LINUX_POLLERR 0x0008 581 #define LINUX_POLLHUP 0x0010 582 #define LINUX_POLLNVAL 0x0020 583 #define LINUX_POLLRDNORM 0x0040 584 #define LINUX_POLLRDBAND 0x0080 585 #define LINUX_POLLWRNORM 0x0100 586 #define LINUX_POLLWRBAND 0x0200 587 #define LINUX_POLLMSG 0x0400 588 589 struct l_pollfd { 590 l_int fd; 591 l_short events; 592 l_short revents; 593 } __packed; 594 595 struct l_user_desc { 596 l_uint entry_number; 597 l_uint base_addr; 598 l_uint limit; 599 l_uint seg_32bit:1; 600 l_uint contents:2; 601 l_uint read_exec_only:1; 602 l_uint limit_in_pages:1; 603 l_uint seg_not_present:1; 604 l_uint useable:1; 605 }; 606 607 #define LINUX_LOWERWORD 0x0000ffff 608 609 /* 610 * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h. 611 * These convert Linux user space descriptor to machine one. 612 */ 613 #define LINUX_LDT_entry_a(info) \ 614 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \ 615 ((info)->limit & LINUX_LOWERWORD)) 616 617 #define LINUX_ENTRY_B_READ_EXEC_ONLY 9 618 #define LINUX_ENTRY_B_CONTENTS 10 619 #define LINUX_ENTRY_B_SEG_NOT_PRESENT 15 620 #define LINUX_ENTRY_B_BASE_ADDR 16 621 #define LINUX_ENTRY_B_USEABLE 20 622 #define LINUX_ENTRY_B_SEG32BIT 22 623 #define LINUX_ENTRY_B_LIMIT 23 624 625 #define LINUX_LDT_entry_b(info) \ 626 (((info)->base_addr & 0xff000000) | \ 627 ((info)->limit & 0xf0000) | \ 628 ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \ 629 (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \ 630 (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \ 631 (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \ 632 ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \ 633 ((info)->useable << LINUX_ENTRY_B_USEABLE) | \ 634 ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000) 635 636 #define LINUX_LDT_empty(info) \ 637 ((info)->base_addr == 0 && \ 638 (info)->limit == 0 && \ 639 (info)->contents == 0 && \ 640 (info)->seg_not_present == 1 && \ 641 (info)->read_exec_only == 1 && \ 642 (info)->seg_32bit == 0 && \ 643 (info)->limit_in_pages == 0 && \ 644 (info)->useable == 0) 645 646 /* 647 * Macros for converting segments. 648 * They do the same as those in arch/i386/kernel/process.c in Linux. 649 */ 650 #define LINUX_GET_BASE(desc) \ 651 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \ 652 (((desc)->b << 16) & 0x00ff0000) | \ 653 ((desc)->b & 0xff000000)) 654 655 #define LINUX_GET_LIMIT(desc) \ 656 (((desc)->a & LINUX_LOWERWORD) | \ 657 ((desc)->b & 0xf0000)) 658 659 #define LINUX_GET_32BIT(desc) \ 660 (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1) 661 #define LINUX_GET_CONTENTS(desc) \ 662 (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3) 663 #define LINUX_GET_WRITABLE(desc) \ 664 (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1) 665 #define LINUX_GET_LIMIT_PAGES(desc) \ 666 (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1) 667 #define LINUX_GET_PRESENT(desc) \ 668 (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1) 669 #define LINUX_GET_USEABLE(desc) \ 670 (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1) 671 672 struct iovec; 673 674 struct l_iovec32 { 675 uint32_t iov_base; 676 l_size_t iov_len; 677 }; 678 679 int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt, 680 struct iovec **iovp, int error); 681 int linux_copyout_rusage(struct rusage *ru, void *uaddr); 682 683 /* robust futexes */ 684 struct linux_robust_list { 685 l_uintptr_t next; 686 }; 687 688 struct linux_robust_list_head { 689 struct linux_robust_list list; 690 l_long futex_offset; 691 l_uintptr_t pending_list; 692 }; 693 694 #endif /* !_AMD64_LINUX_H_ */ 695