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 struct l_mmap_argv { 169 l_uintptr_t addr; 170 l_size_t len; 171 l_int prot; 172 l_int flags; 173 l_int fd; 174 l_ulong pgoff; 175 }; 176 177 /* 178 * stat family of syscalls 179 */ 180 struct l_timespec { 181 l_time_t tv_sec; 182 l_long tv_nsec; 183 } __packed; 184 185 struct l_newstat { 186 l_ushort st_dev; 187 l_ushort __pad1; 188 l_ulong st_ino; 189 l_ushort st_mode; 190 l_ushort st_nlink; 191 l_ushort st_uid; 192 l_ushort st_gid; 193 l_ushort st_rdev; 194 l_ushort __pad2; 195 l_ulong st_size; 196 l_ulong st_blksize; 197 l_ulong st_blocks; 198 struct l_timespec st_atim; 199 struct l_timespec st_mtim; 200 struct l_timespec st_ctim; 201 l_ulong __unused4; 202 l_ulong __unused5; 203 } __packed; 204 205 struct l_stat { 206 l_ushort st_dev; 207 l_ulong st_ino; 208 l_ushort st_mode; 209 l_ushort st_nlink; 210 l_ushort st_uid; 211 l_ushort st_gid; 212 l_ushort st_rdev; 213 l_long st_size; 214 struct l_timespec st_atim; 215 struct l_timespec st_mtim; 216 struct l_timespec st_ctim; 217 l_long st_blksize; 218 l_long st_blocks; 219 l_ulong st_flags; 220 l_ulong st_gen; 221 }; 222 223 struct l_stat64 { 224 l_ushort st_dev; 225 u_char __pad0[10]; 226 l_ulong __st_ino; 227 l_uint st_mode; 228 l_uint st_nlink; 229 l_ulong st_uid; 230 l_ulong st_gid; 231 l_ushort st_rdev; 232 u_char __pad3[10]; 233 l_longlong st_size; 234 l_ulong st_blksize; 235 l_ulong st_blocks; 236 l_ulong __pad4; 237 struct l_timespec st_atim; 238 struct l_timespec st_mtim; 239 struct l_timespec st_ctim; 240 l_ulonglong st_ino; 241 } __packed; 242 243 struct l_statfs64 { 244 l_int f_type; 245 l_int f_bsize; 246 uint64_t f_blocks; 247 uint64_t f_bfree; 248 uint64_t f_bavail; 249 uint64_t f_files; 250 uint64_t f_ffree; 251 l_fsid_t f_fsid; 252 l_int f_namelen; 253 l_int f_spare[6]; 254 } __packed; 255 256 /* sigaction flags */ 257 #define LINUX_SA_NOCLDSTOP 0x00000001 258 #define LINUX_SA_NOCLDWAIT 0x00000002 259 #define LINUX_SA_SIGINFO 0x00000004 260 #define LINUX_SA_RESTORER 0x04000000 261 #define LINUX_SA_ONSTACK 0x08000000 262 #define LINUX_SA_RESTART 0x10000000 263 #define LINUX_SA_INTERRUPT 0x20000000 264 #define LINUX_SA_NOMASK 0x40000000 265 #define LINUX_SA_ONESHOT 0x80000000 266 267 /* sigprocmask actions */ 268 #define LINUX_SIG_BLOCK 0 269 #define LINUX_SIG_UNBLOCK 1 270 #define LINUX_SIG_SETMASK 2 271 272 /* sigaltstack */ 273 #define LINUX_MINSIGSTKSZ 2048 274 275 typedef l_uintptr_t l_handler_t; 276 typedef l_ulong l_osigset_t; 277 278 typedef struct { 279 l_handler_t lsa_handler; 280 l_osigset_t lsa_mask; 281 l_ulong lsa_flags; 282 l_uintptr_t lsa_restorer; 283 } __packed l_osigaction_t; 284 285 typedef struct { 286 l_handler_t lsa_handler; 287 l_ulong lsa_flags; 288 l_uintptr_t lsa_restorer; 289 l_sigset_t lsa_mask; 290 } __packed l_sigaction_t; 291 292 typedef struct { 293 l_uintptr_t ss_sp; 294 l_int ss_flags; 295 l_size_t ss_size; 296 } __packed l_stack_t; 297 298 /* The Linux sigcontext, pretty much a standard 386 trapframe. */ 299 struct l_sigcontext { 300 l_uint sc_gs; 301 l_uint sc_fs; 302 l_uint sc_es; 303 l_uint sc_ds; 304 l_uint sc_edi; 305 l_uint sc_esi; 306 l_uint sc_ebp; 307 l_uint sc_esp; 308 l_uint sc_ebx; 309 l_uint sc_edx; 310 l_uint sc_ecx; 311 l_uint sc_eax; 312 l_uint sc_trapno; 313 l_uint sc_err; 314 l_uint sc_eip; 315 l_uint sc_cs; 316 l_uint sc_eflags; 317 l_uint sc_esp_at_signal; 318 l_uint sc_ss; 319 l_uint sc_387; 320 l_uint sc_mask; 321 l_uint sc_cr2; 322 } __packed; 323 324 struct l_ucontext { 325 l_ulong uc_flags; 326 l_uintptr_t uc_link; 327 l_stack_t uc_stack; 328 struct l_sigcontext uc_mcontext; 329 l_sigset_t uc_sigmask; 330 } __packed; 331 332 #define LINUX_SI_MAX_SIZE 128 333 #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3) 334 335 typedef union l_sigval { 336 l_int sival_int; 337 l_uintptr_t sival_ptr; 338 } l_sigval_t; 339 340 typedef struct l_siginfo { 341 l_int lsi_signo; 342 l_int lsi_errno; 343 l_int lsi_code; 344 union { 345 l_int _pad[LINUX_SI_PAD_SIZE]; 346 347 struct { 348 l_pid_t _pid; 349 l_uid_t _uid; 350 } __packed _kill; 351 352 struct { 353 l_timer_t _tid; 354 l_int _overrun; 355 char _pad[sizeof(l_uid_t) - sizeof(l_int)]; 356 l_sigval_t _sigval; 357 l_int _sys_private; 358 } __packed _timer; 359 360 struct { 361 l_pid_t _pid; /* sender's pid */ 362 l_uid_t _uid; /* sender's uid */ 363 l_sigval_t _sigval; 364 } __packed _rt; 365 366 struct { 367 l_pid_t _pid; /* which child */ 368 l_uid_t _uid; /* sender's uid */ 369 l_int _status; /* exit code */ 370 l_clock_t _utime; 371 l_clock_t _stime; 372 } __packed _sigchld; 373 374 struct { 375 l_uintptr_t _addr; /* Faulting insn/memory ref. */ 376 } __packed _sigfault; 377 378 struct { 379 l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */ 380 l_int _fd; 381 } __packed _sigpoll; 382 } _sifields; 383 } __packed l_siginfo_t; 384 385 #define lsi_pid _sifields._kill._pid 386 #define lsi_uid _sifields._kill._uid 387 #define lsi_tid _sifields._timer._tid 388 #define lsi_overrun _sifields._timer._overrun 389 #define lsi_sys_private _sifields._timer._sys_private 390 #define lsi_status _sifields._sigchld._status 391 #define lsi_utime _sifields._sigchld._utime 392 #define lsi_stime _sifields._sigchld._stime 393 #define lsi_value _sifields._rt._sigval 394 #define lsi_int _sifields._rt._sigval.sival_int 395 #define lsi_ptr _sifields._rt._sigval.sival_ptr 396 #define lsi_addr _sifields._sigfault._addr 397 #define lsi_band _sifields._sigpoll._band 398 #define lsi_fd _sifields._sigpoll._fd 399 400 struct l_fpreg { 401 u_int16_t significand[4]; 402 u_int16_t exponent; 403 } __packed; 404 405 struct l_fpxreg { 406 u_int16_t significand[4]; 407 u_int16_t exponent; 408 u_int16_t padding[3]; 409 } __packed; 410 411 struct l_xmmreg { 412 u_int32_t element[4]; 413 } __packed; 414 415 struct l_fpstate { 416 /* Regular FPU environment */ 417 u_int32_t cw; 418 u_int32_t sw; 419 u_int32_t tag; 420 u_int32_t ipoff; 421 u_int32_t cssel; 422 u_int32_t dataoff; 423 u_int32_t datasel; 424 struct l_fpreg _st[8]; 425 u_int16_t status; 426 u_int16_t magic; /* 0xffff = regular FPU data */ 427 428 /* FXSR FPU environment */ 429 u_int32_t _fxsr_env[6]; /* env is ignored. */ 430 u_int32_t mxcsr; 431 u_int32_t reserved; 432 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */ 433 struct l_xmmreg _xmm[8]; 434 u_int32_t padding[56]; 435 } __packed; 436 437 /* 438 * We make the stack look like Linux expects it when calling a signal 439 * handler, but use the BSD way of calling the handler and sigreturn(). 440 * This means that we need to pass the pointer to the handler too. 441 * It is appended to the frame to not interfere with the rest of it. 442 */ 443 struct l_sigframe { 444 l_int sf_sig; 445 struct l_sigcontext sf_sc; 446 struct l_fpstate sf_fpstate; 447 l_uint sf_extramask[1]; 448 l_handler_t sf_handler; 449 } __packed; 450 451 struct l_rt_sigframe { 452 l_int sf_sig; 453 l_uintptr_t sf_siginfo; 454 l_uintptr_t sf_ucontext; 455 l_siginfo_t sf_si; 456 struct l_ucontext sf_sc; 457 l_handler_t sf_handler; 458 } __packed; 459 460 /* 461 * arch specific open/fcntl flags 462 */ 463 #define LINUX_F_GETLK64 12 464 #define LINUX_F_SETLK64 13 465 #define LINUX_F_SETLKW64 14 466 467 union l_semun { 468 l_int val; 469 l_uintptr_t buf; 470 l_uintptr_t array; 471 l_uintptr_t __buf; 472 l_uintptr_t __pad; 473 } __packed; 474 475 struct l_ipc_perm { 476 l_key_t key; 477 l_uid16_t uid; 478 l_gid16_t gid; 479 l_uid16_t cuid; 480 l_gid16_t cgid; 481 l_ushort mode; 482 l_ushort seq; 483 }; 484 485 /* 486 * Socket defines 487 */ 488 #define LINUX_SOL_SOCKET 1 489 #define LINUX_SOL_IP 0 490 #define LINUX_SOL_IPX 256 491 #define LINUX_SOL_AX25 257 492 #define LINUX_SOL_TCP 6 493 #define LINUX_SOL_UDP 17 494 495 #define LINUX_SO_DEBUG 1 496 #define LINUX_SO_REUSEADDR 2 497 #define LINUX_SO_TYPE 3 498 #define LINUX_SO_ERROR 4 499 #define LINUX_SO_DONTROUTE 5 500 #define LINUX_SO_BROADCAST 6 501 #define LINUX_SO_SNDBUF 7 502 #define LINUX_SO_RCVBUF 8 503 #define LINUX_SO_KEEPALIVE 9 504 #define LINUX_SO_OOBINLINE 10 505 #define LINUX_SO_NO_CHECK 11 506 #define LINUX_SO_PRIORITY 12 507 #define LINUX_SO_LINGER 13 508 #define LINUX_SO_PEERCRED 17 509 #define LINUX_SO_RCVLOWAT 18 510 #define LINUX_SO_SNDLOWAT 19 511 #define LINUX_SO_RCVTIMEO 20 512 #define LINUX_SO_SNDTIMEO 21 513 #define LINUX_SO_TIMESTAMP 29 514 #define LINUX_SO_ACCEPTCONN 30 515 516 struct l_sockaddr { 517 l_ushort sa_family; 518 char sa_data[14]; 519 } __packed; 520 521 struct l_ifmap { 522 l_ulong mem_start; 523 l_ulong mem_end; 524 l_ushort base_addr; 525 u_char irq; 526 u_char dma; 527 u_char port; 528 } __packed; 529 530 #define LINUX_IFHWADDRLEN 6 531 #define LINUX_IFNAMSIZ 16 532 533 struct l_ifreq { 534 union { 535 char ifrn_name[LINUX_IFNAMSIZ]; 536 } ifr_ifrn; 537 538 union { 539 struct l_sockaddr ifru_addr; 540 struct l_sockaddr ifru_dstaddr; 541 struct l_sockaddr ifru_broadaddr; 542 struct l_sockaddr ifru_netmask; 543 struct l_sockaddr ifru_hwaddr; 544 l_short ifru_flags[1]; 545 l_int ifru_metric; 546 l_int ifru_mtu; 547 struct l_ifmap ifru_map; 548 char ifru_slave[LINUX_IFNAMSIZ]; 549 l_uintptr_t ifru_data; 550 } ifr_ifru; 551 } __packed; 552 553 #define ifr_name ifr_ifrn.ifrn_name /* Interface name */ 554 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ 555 556 struct l_ifconf { 557 int ifc_len; 558 union { 559 l_uintptr_t ifcu_buf; 560 l_uintptr_t ifcu_req; 561 } ifc_ifcu; 562 } __packed; 563 564 #define ifc_buf ifc_ifcu.ifcu_buf 565 #define ifc_req ifc_ifcu.ifcu_req 566 567 /* 568 * poll() 569 */ 570 #define LINUX_POLLIN 0x0001 571 #define LINUX_POLLPRI 0x0002 572 #define LINUX_POLLOUT 0x0004 573 #define LINUX_POLLERR 0x0008 574 #define LINUX_POLLHUP 0x0010 575 #define LINUX_POLLNVAL 0x0020 576 #define LINUX_POLLRDNORM 0x0040 577 #define LINUX_POLLRDBAND 0x0080 578 #define LINUX_POLLWRNORM 0x0100 579 #define LINUX_POLLWRBAND 0x0200 580 #define LINUX_POLLMSG 0x0400 581 582 struct l_pollfd { 583 l_int fd; 584 l_short events; 585 l_short revents; 586 } __packed; 587 588 struct l_user_desc { 589 l_uint entry_number; 590 l_uint base_addr; 591 l_uint limit; 592 l_uint seg_32bit:1; 593 l_uint contents:2; 594 l_uint read_exec_only:1; 595 l_uint limit_in_pages:1; 596 l_uint seg_not_present:1; 597 l_uint useable:1; 598 }; 599 600 #define LINUX_LOWERWORD 0x0000ffff 601 602 /* 603 * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h. 604 * These convert Linux user space descriptor to machine one. 605 */ 606 #define LINUX_LDT_entry_a(info) \ 607 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \ 608 ((info)->limit & LINUX_LOWERWORD)) 609 610 #define LINUX_ENTRY_B_READ_EXEC_ONLY 9 611 #define LINUX_ENTRY_B_CONTENTS 10 612 #define LINUX_ENTRY_B_SEG_NOT_PRESENT 15 613 #define LINUX_ENTRY_B_BASE_ADDR 16 614 #define LINUX_ENTRY_B_USEABLE 20 615 #define LINUX_ENTRY_B_SEG32BIT 22 616 #define LINUX_ENTRY_B_LIMIT 23 617 618 #define LINUX_LDT_entry_b(info) \ 619 (((info)->base_addr & 0xff000000) | \ 620 ((info)->limit & 0xf0000) | \ 621 ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \ 622 (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \ 623 (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \ 624 (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \ 625 ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \ 626 ((info)->useable << LINUX_ENTRY_B_USEABLE) | \ 627 ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000) 628 629 #define LINUX_LDT_empty(info) \ 630 ((info)->base_addr == 0 && \ 631 (info)->limit == 0 && \ 632 (info)->contents == 0 && \ 633 (info)->seg_not_present == 1 && \ 634 (info)->read_exec_only == 1 && \ 635 (info)->seg_32bit == 0 && \ 636 (info)->limit_in_pages == 0 && \ 637 (info)->useable == 0) 638 639 /* 640 * Macros for converting segments. 641 * They do the same as those in arch/i386/kernel/process.c in Linux. 642 */ 643 #define LINUX_GET_BASE(desc) \ 644 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \ 645 (((desc)->b << 16) & 0x00ff0000) | \ 646 ((desc)->b & 0xff000000)) 647 648 #define LINUX_GET_LIMIT(desc) \ 649 (((desc)->a & LINUX_LOWERWORD) | \ 650 ((desc)->b & 0xf0000)) 651 652 #define LINUX_GET_32BIT(desc) \ 653 (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1) 654 #define LINUX_GET_CONTENTS(desc) \ 655 (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3) 656 #define LINUX_GET_WRITABLE(desc) \ 657 (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1) 658 #define LINUX_GET_LIMIT_PAGES(desc) \ 659 (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1) 660 #define LINUX_GET_PRESENT(desc) \ 661 (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1) 662 #define LINUX_GET_USEABLE(desc) \ 663 (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1) 664 665 struct iovec; 666 667 struct l_iovec32 { 668 uint32_t iov_base; 669 l_size_t iov_len; 670 }; 671 672 int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt, 673 struct iovec **iovp, int error); 674 int linux_copyout_rusage(struct rusage *ru, void *uaddr); 675 676 /* robust futexes */ 677 struct linux_robust_list { 678 l_uintptr_t next; 679 }; 680 681 struct linux_robust_list_head { 682 struct linux_robust_list list; 683 l_long futex_offset; 684 l_uintptr_t pending_list; 685 }; 686 687 #endif /* !_AMD64_LINUX_H_ */ 688