linux.h revision 293548
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 293548 2016-01-09 16:47:36Z 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; 98typedef l_ulong l_fd_mask; 99 100typedef struct { 101 l_int val[2]; 102} __packed l_fsid_t; 103 104typedef struct { 105 l_time_t tv_sec; 106 l_suseconds_t tv_usec; 107} l_timeval; 108 109#define l_fd_set fd_set 110 111/* 112 * Miscellaneous 113 */ 114#define LINUX_AT_COUNT 20 /* Count of used aux entry types. 115 * Keep this synchronized with 116 * elf_linux_fixup() code. 117 */ 118struct l___sysctl_args 119{ 120 l_uintptr_t name; 121 l_int nlen; 122 l_uintptr_t oldval; 123 l_uintptr_t oldlenp; 124 l_uintptr_t newval; 125 l_size_t newlen; 126 l_ulong __spare[4]; 127} __packed; 128 129/* Resource limits */ 130#define LINUX_RLIMIT_CPU 0 131#define LINUX_RLIMIT_FSIZE 1 132#define LINUX_RLIMIT_DATA 2 133#define LINUX_RLIMIT_STACK 3 134#define LINUX_RLIMIT_CORE 4 135#define LINUX_RLIMIT_RSS 5 136#define LINUX_RLIMIT_NPROC 6 137#define LINUX_RLIMIT_NOFILE 7 138#define LINUX_RLIMIT_MEMLOCK 8 139#define LINUX_RLIMIT_AS 9 /* Address space limit */ 140 141#define LINUX_RLIM_NLIMITS 10 142 143struct l_rlimit { 144 l_ulong rlim_cur; 145 l_ulong rlim_max; 146} __packed; 147 148struct l_rusage { 149 l_timeval ru_utime; 150 l_timeval ru_stime; 151 l_long ru_maxrss; 152 l_long ru_ixrss; 153 l_long ru_idrss; 154 l_long ru_isrss; 155 l_long ru_minflt; 156 l_long ru_majflt; 157 l_long ru_nswap; 158 l_long ru_inblock; 159 l_long ru_oublock; 160 l_long ru_msgsnd; 161 l_long ru_msgrcv; 162 l_long ru_nsignals; 163 l_long ru_nvcsw; 164 l_long ru_nivcsw; 165} __packed; 166 167/* mmap options */ 168#define LINUX_MAP_SHARED 0x0001 169#define LINUX_MAP_PRIVATE 0x0002 170#define LINUX_MAP_FIXED 0x0010 171#define LINUX_MAP_ANON 0x0020 172#define LINUX_MAP_GROWSDOWN 0x0100 173 174struct l_mmap_argv { 175 l_uintptr_t addr; 176 l_size_t len; 177 l_int prot; 178 l_int flags; 179 l_int fd; 180 l_ulong pgoff; 181}; 182 183/* 184 * stat family of syscalls 185 */ 186struct l_timespec { 187 l_time_t tv_sec; 188 l_long tv_nsec; 189} __packed; 190 191struct l_newstat { 192 l_ushort st_dev; 193 l_ushort __pad1; 194 l_ulong st_ino; 195 l_ushort st_mode; 196 l_ushort st_nlink; 197 l_ushort st_uid; 198 l_ushort st_gid; 199 l_ushort st_rdev; 200 l_ushort __pad2; 201 l_ulong st_size; 202 l_ulong st_blksize; 203 l_ulong st_blocks; 204 struct l_timespec st_atim; 205 struct l_timespec st_mtim; 206 struct l_timespec st_ctim; 207 l_ulong __unused4; 208 l_ulong __unused5; 209} __packed; 210 211struct l_stat { 212 l_ushort st_dev; 213 l_ulong st_ino; 214 l_ushort st_mode; 215 l_ushort st_nlink; 216 l_ushort st_uid; 217 l_ushort st_gid; 218 l_ushort st_rdev; 219 l_long st_size; 220 struct l_timespec st_atim; 221 struct l_timespec st_mtim; 222 struct l_timespec st_ctim; 223 l_long st_blksize; 224 l_long st_blocks; 225 l_ulong st_flags; 226 l_ulong st_gen; 227}; 228 229struct l_stat64 { 230 l_ushort st_dev; 231 u_char __pad0[10]; 232 l_ulong __st_ino; 233 l_uint st_mode; 234 l_uint st_nlink; 235 l_ulong st_uid; 236 l_ulong st_gid; 237 l_ushort st_rdev; 238 u_char __pad3[10]; 239 l_longlong st_size; 240 l_ulong st_blksize; 241 l_ulong st_blocks; 242 l_ulong __pad4; 243 struct l_timespec st_atim; 244 struct l_timespec st_mtim; 245 struct l_timespec st_ctim; 246 l_ulonglong st_ino; 247} __packed; 248 249struct l_statfs64 { 250 l_int f_type; 251 l_int f_bsize; 252 uint64_t f_blocks; 253 uint64_t f_bfree; 254 uint64_t f_bavail; 255 uint64_t f_files; 256 uint64_t f_ffree; 257 l_fsid_t f_fsid; 258 l_int f_namelen; 259 l_int f_spare[6]; 260} __packed; 261 262/* 263 * Signalling 264 */ 265#define LINUX_SIGHUP 1 266#define LINUX_SIGINT 2 267#define LINUX_SIGQUIT 3 268#define LINUX_SIGILL 4 269#define LINUX_SIGTRAP 5 270#define LINUX_SIGABRT 6 271#define LINUX_SIGIOT LINUX_SIGABRT 272#define LINUX_SIGBUS 7 273#define LINUX_SIGFPE 8 274#define LINUX_SIGKILL 9 275#define LINUX_SIGUSR1 10 276#define LINUX_SIGSEGV 11 277#define LINUX_SIGUSR2 12 278#define LINUX_SIGPIPE 13 279#define LINUX_SIGALRM 14 280#define LINUX_SIGTERM 15 281#define LINUX_SIGSTKFLT 16 282#define LINUX_SIGCHLD 17 283#define LINUX_SIGCONT 18 284#define LINUX_SIGSTOP 19 285#define LINUX_SIGTSTP 20 286#define LINUX_SIGTTIN 21 287#define LINUX_SIGTTOU 22 288#define LINUX_SIGURG 23 289#define LINUX_SIGXCPU 24 290#define LINUX_SIGXFSZ 25 291#define LINUX_SIGVTALRM 26 292#define LINUX_SIGPROF 27 293#define LINUX_SIGWINCH 28 294#define LINUX_SIGIO 29 295#define LINUX_SIGPOLL LINUX_SIGIO 296#define LINUX_SIGPWR 30 297#define LINUX_SIGSYS 31 298#define LINUX_SIGRTMIN 32 299 300#define LINUX_SIGTBLSZ 31 301#define LINUX_NSIG_WORDS 2 302#define LINUX_NBPW 32 303#define LINUX_NSIG (LINUX_NBPW * LINUX_NSIG_WORDS) 304 305/* sigaction flags */ 306#define LINUX_SA_NOCLDSTOP 0x00000001 307#define LINUX_SA_NOCLDWAIT 0x00000002 308#define LINUX_SA_SIGINFO 0x00000004 309#define LINUX_SA_RESTORER 0x04000000 310#define LINUX_SA_ONSTACK 0x08000000 311#define LINUX_SA_RESTART 0x10000000 312#define LINUX_SA_INTERRUPT 0x20000000 313#define LINUX_SA_NOMASK 0x40000000 314#define LINUX_SA_ONESHOT 0x80000000 315 316/* sigprocmask actions */ 317#define LINUX_SIG_BLOCK 0 318#define LINUX_SIG_UNBLOCK 1 319#define LINUX_SIG_SETMASK 2 320 321/* sigset_t macros */ 322#define LINUX_SIGEMPTYSET(set) (set).__bits[0] = (set).__bits[1] = 0 323#define LINUX_SIGISMEMBER(set, sig) SIGISMEMBER(set, sig) 324#define LINUX_SIGADDSET(set, sig) SIGADDSET(set, sig) 325 326/* sigaltstack */ 327#define LINUX_MINSIGSTKSZ 2048 328#define LINUX_SS_ONSTACK 1 329#define LINUX_SS_DISABLE 2 330 331int linux_to_bsd_sigaltstack(int lsa); 332int bsd_to_linux_sigaltstack(int bsa); 333 334typedef l_uintptr_t l_handler_t; 335typedef l_ulong l_osigset_t; 336 337typedef struct { 338 l_uint __bits[LINUX_NSIG_WORDS]; 339} __packed l_sigset_t; 340 341typedef struct { 342 l_handler_t lsa_handler; 343 l_osigset_t lsa_mask; 344 l_ulong lsa_flags; 345 l_uintptr_t lsa_restorer; 346} __packed l_osigaction_t; 347 348typedef struct { 349 l_handler_t lsa_handler; 350 l_ulong lsa_flags; 351 l_uintptr_t lsa_restorer; 352 l_sigset_t lsa_mask; 353} __packed l_sigaction_t; 354 355typedef struct { 356 l_uintptr_t ss_sp; 357 l_int ss_flags; 358 l_size_t ss_size; 359} __packed l_stack_t; 360 361/* The Linux sigcontext, pretty much a standard 386 trapframe. */ 362struct l_sigcontext { 363 l_uint sc_gs; 364 l_uint sc_fs; 365 l_uint sc_es; 366 l_uint sc_ds; 367 l_uint sc_edi; 368 l_uint sc_esi; 369 l_uint sc_ebp; 370 l_uint sc_esp; 371 l_uint sc_ebx; 372 l_uint sc_edx; 373 l_uint sc_ecx; 374 l_uint sc_eax; 375 l_uint sc_trapno; 376 l_uint sc_err; 377 l_uint sc_eip; 378 l_uint sc_cs; 379 l_uint sc_eflags; 380 l_uint sc_esp_at_signal; 381 l_uint sc_ss; 382 l_uint sc_387; 383 l_uint sc_mask; 384 l_uint sc_cr2; 385} __packed; 386 387struct l_ucontext { 388 l_ulong uc_flags; 389 l_uintptr_t uc_link; 390 l_stack_t uc_stack; 391 struct l_sigcontext uc_mcontext; 392 l_sigset_t uc_sigmask; 393} __packed; 394 395#define LINUX_SI_MAX_SIZE 128 396#define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3) 397 398typedef union l_sigval { 399 l_int sival_int; 400 l_uintptr_t sival_ptr; 401} l_sigval_t; 402 403typedef struct l_siginfo { 404 l_int lsi_signo; 405 l_int lsi_errno; 406 l_int lsi_code; 407 union { 408 l_int _pad[LINUX_SI_PAD_SIZE]; 409 410 struct { 411 l_pid_t _pid; 412 l_uid_t _uid; 413 } __packed _kill; 414 415 struct { 416 l_timer_t _tid; 417 l_int _overrun; 418 char _pad[sizeof(l_uid_t) - sizeof(l_int)]; 419 l_sigval_t _sigval; 420 l_int _sys_private; 421 } __packed _timer; 422 423 struct { 424 l_pid_t _pid; /* sender's pid */ 425 l_uid_t _uid; /* sender's uid */ 426 l_sigval_t _sigval; 427 } __packed _rt; 428 429 struct { 430 l_pid_t _pid; /* which child */ 431 l_uid_t _uid; /* sender's uid */ 432 l_int _status; /* exit code */ 433 l_clock_t _utime; 434 l_clock_t _stime; 435 } __packed _sigchld; 436 437 struct { 438 l_uintptr_t _addr; /* Faulting insn/memory ref. */ 439 } __packed _sigfault; 440 441 struct { 442 l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */ 443 l_int _fd; 444 } __packed _sigpoll; 445 } _sifields; 446} __packed l_siginfo_t; 447 448#define lsi_pid _sifields._kill._pid 449#define lsi_uid _sifields._kill._uid 450#define lsi_tid _sifields._timer._tid 451#define lsi_overrun _sifields._timer._overrun 452#define lsi_sys_private _sifields._timer._sys_private 453#define lsi_status _sifields._sigchld._status 454#define lsi_utime _sifields._sigchld._utime 455#define lsi_stime _sifields._sigchld._stime 456#define lsi_value _sifields._rt._sigval 457#define lsi_int _sifields._rt._sigval.sival_int 458#define lsi_ptr _sifields._rt._sigval.sival_ptr 459#define lsi_addr _sifields._sigfault._addr 460#define lsi_band _sifields._sigpoll._band 461#define lsi_fd _sifields._sigpoll._fd 462 463struct l_fpreg { 464 u_int16_t significand[4]; 465 u_int16_t exponent; 466} __packed; 467 468struct l_fpxreg { 469 u_int16_t significand[4]; 470 u_int16_t exponent; 471 u_int16_t padding[3]; 472} __packed; 473 474struct l_xmmreg { 475 u_int32_t element[4]; 476} __packed; 477 478struct l_fpstate { 479 /* Regular FPU environment */ 480 u_int32_t cw; 481 u_int32_t sw; 482 u_int32_t tag; 483 u_int32_t ipoff; 484 u_int32_t cssel; 485 u_int32_t dataoff; 486 u_int32_t datasel; 487 struct l_fpreg _st[8]; 488 u_int16_t status; 489 u_int16_t magic; /* 0xffff = regular FPU data */ 490 491 /* FXSR FPU environment */ 492 u_int32_t _fxsr_env[6]; /* env is ignored. */ 493 u_int32_t mxcsr; 494 u_int32_t reserved; 495 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */ 496 struct l_xmmreg _xmm[8]; 497 u_int32_t padding[56]; 498} __packed; 499 500/* 501 * We make the stack look like Linux expects it when calling a signal 502 * handler, but use the BSD way of calling the handler and sigreturn(). 503 * This means that we need to pass the pointer to the handler too. 504 * It is appended to the frame to not interfere with the rest of it. 505 */ 506struct l_sigframe { 507 l_int sf_sig; 508 struct l_sigcontext sf_sc; 509 struct l_fpstate sf_fpstate; 510 l_uint sf_extramask[LINUX_NSIG_WORDS-1]; 511 l_handler_t sf_handler; 512} __packed; 513 514struct l_rt_sigframe { 515 l_int sf_sig; 516 l_uintptr_t sf_siginfo; 517 l_uintptr_t sf_ucontext; 518 l_siginfo_t sf_si; 519 struct l_ucontext sf_sc; 520 l_handler_t sf_handler; 521} __packed; 522 523/* 524 * arch specific open/fcntl flags 525 */ 526#define LINUX_F_GETLK64 12 527#define LINUX_F_SETLK64 13 528#define LINUX_F_SETLKW64 14 529 530union l_semun { 531 l_int val; 532 l_uintptr_t buf; 533 l_uintptr_t array; 534 l_uintptr_t __buf; 535 l_uintptr_t __pad; 536} __packed; 537 538struct l_ipc_perm { 539 l_key_t key; 540 l_uid16_t uid; 541 l_gid16_t gid; 542 l_uid16_t cuid; 543 l_gid16_t cgid; 544 l_ushort mode; 545 l_ushort seq; 546}; 547 548/* 549 * Socket defines 550 */ 551#define LINUX_SOL_SOCKET 1 552#define LINUX_SOL_IP 0 553#define LINUX_SOL_IPX 256 554#define LINUX_SOL_AX25 257 555#define LINUX_SOL_TCP 6 556#define LINUX_SOL_UDP 17 557 558#define LINUX_SO_DEBUG 1 559#define LINUX_SO_REUSEADDR 2 560#define LINUX_SO_TYPE 3 561#define LINUX_SO_ERROR 4 562#define LINUX_SO_DONTROUTE 5 563#define LINUX_SO_BROADCAST 6 564#define LINUX_SO_SNDBUF 7 565#define LINUX_SO_RCVBUF 8 566#define LINUX_SO_KEEPALIVE 9 567#define LINUX_SO_OOBINLINE 10 568#define LINUX_SO_NO_CHECK 11 569#define LINUX_SO_PRIORITY 12 570#define LINUX_SO_LINGER 13 571#define LINUX_SO_PEERCRED 17 572#define LINUX_SO_RCVLOWAT 18 573#define LINUX_SO_SNDLOWAT 19 574#define LINUX_SO_RCVTIMEO 20 575#define LINUX_SO_SNDTIMEO 21 576#define LINUX_SO_TIMESTAMP 29 577#define LINUX_SO_ACCEPTCONN 30 578 579struct l_sockaddr { 580 l_ushort sa_family; 581 char sa_data[14]; 582} __packed; 583 584struct l_msghdr { 585 l_uintptr_t msg_name; 586 l_int msg_namelen; 587 l_uintptr_t msg_iov; 588 l_size_t msg_iovlen; 589 l_uintptr_t msg_control; 590 l_size_t msg_controllen; 591 l_uint msg_flags; 592}; 593 594struct l_cmsghdr { 595 l_size_t cmsg_len; 596 l_int cmsg_level; 597 l_int cmsg_type; 598}; 599 600struct l_ifmap { 601 l_ulong mem_start; 602 l_ulong mem_end; 603 l_ushort base_addr; 604 u_char irq; 605 u_char dma; 606 u_char port; 607} __packed; 608 609#define LINUX_IFHWADDRLEN 6 610#define LINUX_IFNAMSIZ 16 611 612struct l_ifreq { 613 union { 614 char ifrn_name[LINUX_IFNAMSIZ]; 615 } ifr_ifrn; 616 617 union { 618 struct l_sockaddr ifru_addr; 619 struct l_sockaddr ifru_dstaddr; 620 struct l_sockaddr ifru_broadaddr; 621 struct l_sockaddr ifru_netmask; 622 struct l_sockaddr ifru_hwaddr; 623 l_short ifru_flags[1]; 624 l_int ifru_metric; 625 l_int ifru_mtu; 626 struct l_ifmap ifru_map; 627 char ifru_slave[LINUX_IFNAMSIZ]; 628 l_uintptr_t ifru_data; 629 } ifr_ifru; 630} __packed; 631 632#define ifr_name ifr_ifrn.ifrn_name /* Interface name */ 633#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ 634 635struct l_ifconf { 636 int ifc_len; 637 union { 638 l_uintptr_t ifcu_buf; 639 l_uintptr_t ifcu_req; 640 } ifc_ifcu; 641} __packed; 642 643#define ifc_buf ifc_ifcu.ifcu_buf 644#define ifc_req ifc_ifcu.ifcu_req 645 646/* 647 * poll() 648 */ 649#define LINUX_POLLIN 0x0001 650#define LINUX_POLLPRI 0x0002 651#define LINUX_POLLOUT 0x0004 652#define LINUX_POLLERR 0x0008 653#define LINUX_POLLHUP 0x0010 654#define LINUX_POLLNVAL 0x0020 655#define LINUX_POLLRDNORM 0x0040 656#define LINUX_POLLRDBAND 0x0080 657#define LINUX_POLLWRNORM 0x0100 658#define LINUX_POLLWRBAND 0x0200 659#define LINUX_POLLMSG 0x0400 660 661struct l_pollfd { 662 l_int fd; 663 l_short events; 664 l_short revents; 665} __packed; 666 667struct l_user_desc { 668 l_uint entry_number; 669 l_uint base_addr; 670 l_uint limit; 671 l_uint seg_32bit:1; 672 l_uint contents:2; 673 l_uint read_exec_only:1; 674 l_uint limit_in_pages:1; 675 l_uint seg_not_present:1; 676 l_uint useable:1; 677}; 678 679#define LINUX_LOWERWORD 0x0000ffff 680 681/* 682 * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h. 683 * These convert Linux user space descriptor to machine one. 684 */ 685#define LINUX_LDT_entry_a(info) \ 686 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \ 687 ((info)->limit & LINUX_LOWERWORD)) 688 689#define LINUX_ENTRY_B_READ_EXEC_ONLY 9 690#define LINUX_ENTRY_B_CONTENTS 10 691#define LINUX_ENTRY_B_SEG_NOT_PRESENT 15 692#define LINUX_ENTRY_B_BASE_ADDR 16 693#define LINUX_ENTRY_B_USEABLE 20 694#define LINUX_ENTRY_B_SEG32BIT 22 695#define LINUX_ENTRY_B_LIMIT 23 696 697#define LINUX_LDT_entry_b(info) \ 698 (((info)->base_addr & 0xff000000) | \ 699 ((info)->limit & 0xf0000) | \ 700 ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \ 701 (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \ 702 (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \ 703 (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \ 704 ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \ 705 ((info)->useable << LINUX_ENTRY_B_USEABLE) | \ 706 ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000) 707 708#define LINUX_LDT_empty(info) \ 709 ((info)->base_addr == 0 && \ 710 (info)->limit == 0 && \ 711 (info)->contents == 0 && \ 712 (info)->seg_not_present == 1 && \ 713 (info)->read_exec_only == 1 && \ 714 (info)->seg_32bit == 0 && \ 715 (info)->limit_in_pages == 0 && \ 716 (info)->useable == 0) 717 718/* 719 * Macros for converting segments. 720 * They do the same as those in arch/i386/kernel/process.c in Linux. 721 */ 722#define LINUX_GET_BASE(desc) \ 723 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \ 724 (((desc)->b << 16) & 0x00ff0000) | \ 725 ((desc)->b & 0xff000000)) 726 727#define LINUX_GET_LIMIT(desc) \ 728 (((desc)->a & LINUX_LOWERWORD) | \ 729 ((desc)->b & 0xf0000)) 730 731#define LINUX_GET_32BIT(desc) \ 732 (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1) 733#define LINUX_GET_CONTENTS(desc) \ 734 (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3) 735#define LINUX_GET_WRITABLE(desc) \ 736 (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1) 737#define LINUX_GET_LIMIT_PAGES(desc) \ 738 (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1) 739#define LINUX_GET_PRESENT(desc) \ 740 (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1) 741#define LINUX_GET_USEABLE(desc) \ 742 (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1) 743 744struct iovec; 745 746struct l_iovec32 { 747 uint32_t iov_base; 748 l_size_t iov_len; 749}; 750 751int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt, 752 struct iovec **iovp, int error); 753int linux_copyout_rusage(struct rusage *ru, void *uaddr); 754 755/* robust futexes */ 756struct linux_robust_list { 757 l_uintptr_t next; 758}; 759 760struct linux_robust_list_head { 761 struct linux_robust_list list; 762 l_long futex_offset; 763 l_uintptr_t pending_list; 764}; 765 766#endif /* !_AMD64_LINUX_H_ */ 767