2 * Copyright (c) 2004 Tim J. Robbins
3 * Copyright (c) 2001 Doug Rabson
4 * Copyright (c) 1994-1996 Søren Schmidt
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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
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.
33 #ifndef _AMD64_LINUX_H_
34 #define _AMD64_LINUX_H_
36 #include <amd64/linux32/linux32_syscall.h>
41 extern 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
48 MALLOC_DECLARE(M_LINUX);
51 #define LINUX32_MAXUSER ((1ul << 32) - PAGE_SIZE)
52 #define LINUX32_SHAREDPAGE (LINUX32_MAXUSER - PAGE_SIZE)
53 #define LINUX32_USRSTACK LINUX32_SHAREDPAGE
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 */
61 #define PTRIN(v) (void *)(uintptr_t)(v)
62 #define PTROUT(v) (l_uintptr_t)(uintptr_t)(v)
65 * Provide a separate set of types for the Linux types.
68 typedef int32_t l_long;
69 typedef int64_t l_longlong;
70 typedef short l_short;
71 typedef unsigned int l_uint;
72 typedef uint32_t l_ulong;
73 typedef uint64_t l_ulonglong;
74 typedef unsigned short l_ushort;
76 typedef l_ulong l_uintptr_t;
77 typedef l_long l_clock_t;
78 typedef l_int l_daddr_t;
79 typedef l_ushort l_dev_t;
80 typedef l_uint l_gid_t;
81 typedef l_ushort l_gid16_t;
82 typedef l_ulong l_ino_t;
83 typedef l_int l_key_t;
84 typedef l_longlong l_loff_t;
85 typedef l_ushort l_mode_t;
86 typedef l_long l_off_t;
87 typedef l_int l_pid_t;
88 typedef l_uint l_size_t;
89 typedef l_long l_suseconds_t;
90 typedef l_long l_time_t;
91 typedef l_uint l_uid_t;
92 typedef l_ushort l_uid16_t;
93 typedef l_int l_timer_t;
94 typedef l_int l_mqd_t;
102 l_suseconds_t tv_usec;
105 #define l_fd_set fd_set
110 #define LINUX_NAME_MAX 255
111 #define LINUX_MAX_UTSNAME 65
113 #define LINUX_CTL_MAXNAME 10
115 #define LINUX_AT_COUNT 16 /* Count of used aux entry types.
116 * Keep this synchronized with
117 * elf_linux_fixup() code.
119 struct l___sysctl_args
130 /* Scheduling policies */
131 #define LINUX_SCHED_OTHER 0
132 #define LINUX_SCHED_FIFO 1
133 #define LINUX_SCHED_RR 2
135 /* Resource limits */
136 #define LINUX_RLIMIT_CPU 0
137 #define LINUX_RLIMIT_FSIZE 1
138 #define LINUX_RLIMIT_DATA 2
139 #define LINUX_RLIMIT_STACK 3
140 #define LINUX_RLIMIT_CORE 4
141 #define LINUX_RLIMIT_RSS 5
142 #define LINUX_RLIMIT_NPROC 6
143 #define LINUX_RLIMIT_NOFILE 7
144 #define LINUX_RLIMIT_MEMLOCK 8
145 #define LINUX_RLIMIT_AS 9 /* Address space limit */
147 #define LINUX_RLIM_NLIMITS 10
174 #define LINUX_MAP_SHARED 0x0001
175 #define LINUX_MAP_PRIVATE 0x0002
176 #define LINUX_MAP_FIXED 0x0010
177 #define LINUX_MAP_ANON 0x0020
178 #define LINUX_MAP_GROWSDOWN 0x0100
190 * stat family of syscalls
210 struct l_timespec st_atim;
211 struct l_timespec st_mtim;
212 struct l_timespec st_ctim;
226 struct l_timespec st_atim;
227 struct l_timespec st_mtim;
228 struct l_timespec st_ctim;
249 struct l_timespec st_atim;
250 struct l_timespec st_mtim;
251 struct l_timespec st_ctim;
268 struct l_new_utsname {
269 char sysname[LINUX_MAX_UTSNAME];
270 char nodename[LINUX_MAX_UTSNAME];
271 char release[LINUX_MAX_UTSNAME];
272 char version[LINUX_MAX_UTSNAME];
273 char machine[LINUX_MAX_UTSNAME];
274 char domainname[LINUX_MAX_UTSNAME];
280 #define LINUX_SIGHUP 1
281 #define LINUX_SIGINT 2
282 #define LINUX_SIGQUIT 3
283 #define LINUX_SIGILL 4
284 #define LINUX_SIGTRAP 5
285 #define LINUX_SIGABRT 6
286 #define LINUX_SIGIOT LINUX_SIGABRT
287 #define LINUX_SIGBUS 7
288 #define LINUX_SIGFPE 8
289 #define LINUX_SIGKILL 9
290 #define LINUX_SIGUSR1 10
291 #define LINUX_SIGSEGV 11
292 #define LINUX_SIGUSR2 12
293 #define LINUX_SIGPIPE 13
294 #define LINUX_SIGALRM 14
295 #define LINUX_SIGTERM 15
296 #define LINUX_SIGSTKFLT 16
297 #define LINUX_SIGCHLD 17
298 #define LINUX_SIGCONT 18
299 #define LINUX_SIGSTOP 19
300 #define LINUX_SIGTSTP 20
301 #define LINUX_SIGTTIN 21
302 #define LINUX_SIGTTOU 22
303 #define LINUX_SIGURG 23
304 #define LINUX_SIGXCPU 24
305 #define LINUX_SIGXFSZ 25
306 #define LINUX_SIGVTALRM 26
307 #define LINUX_SIGPROF 27
308 #define LINUX_SIGWINCH 28
309 #define LINUX_SIGIO 29
310 #define LINUX_SIGPOLL LINUX_SIGIO
311 #define LINUX_SIGPWR 30
312 #define LINUX_SIGSYS 31
313 #define LINUX_SIGRTMIN 32
315 #define LINUX_SIGTBLSZ 31
316 #define LINUX_NSIG_WORDS 2
317 #define LINUX_NBPW 32
318 #define LINUX_NSIG (LINUX_NBPW * LINUX_NSIG_WORDS)
320 /* sigaction flags */
321 #define LINUX_SA_NOCLDSTOP 0x00000001
322 #define LINUX_SA_NOCLDWAIT 0x00000002
323 #define LINUX_SA_SIGINFO 0x00000004
324 #define LINUX_SA_RESTORER 0x04000000
325 #define LINUX_SA_ONSTACK 0x08000000
326 #define LINUX_SA_RESTART 0x10000000
327 #define LINUX_SA_INTERRUPT 0x20000000
328 #define LINUX_SA_NOMASK 0x40000000
329 #define LINUX_SA_ONESHOT 0x80000000
331 /* sigprocmask actions */
332 #define LINUX_SIG_BLOCK 0
333 #define LINUX_SIG_UNBLOCK 1
334 #define LINUX_SIG_SETMASK 2
336 /* sigset_t macros */
337 #define LINUX_SIGEMPTYSET(set) (set).__bits[0] = (set).__bits[1] = 0
338 #define LINUX_SIGISMEMBER(set, sig) SIGISMEMBER(set, sig)
339 #define LINUX_SIGADDSET(set, sig) SIGADDSET(set, sig)
342 #define LINUX_MINSIGSTKSZ 2048
343 #define LINUX_SS_ONSTACK 1
344 #define LINUX_SS_DISABLE 2
346 int linux_to_bsd_sigaltstack(int lsa);
347 int bsd_to_linux_sigaltstack(int bsa);
349 typedef l_uintptr_t l_handler_t;
350 typedef l_ulong l_osigset_t;
353 l_uint __bits[LINUX_NSIG_WORDS];
354 } __packed l_sigset_t;
357 l_handler_t lsa_handler;
358 l_osigset_t lsa_mask;
360 l_uintptr_t lsa_restorer;
361 } __packed l_osigaction_t;
364 l_handler_t lsa_handler;
366 l_uintptr_t lsa_restorer;
368 } __packed l_sigaction_t;
374 } __packed l_stack_t;
376 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
377 struct l_sigcontext {
395 l_uint sc_esp_at_signal;
406 struct l_sigcontext uc_mcontext;
407 l_sigset_t uc_sigmask;
410 #define LINUX_SI_MAX_SIZE 128
411 #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
413 typedef union l_sigval {
415 l_uintptr_t sival_ptr;
418 typedef struct l_siginfo {
423 l_int _pad[LINUX_SI_PAD_SIZE];
433 char _pad[sizeof(l_uid_t) - sizeof(l_int)];
439 l_pid_t _pid; /* sender's pid */
440 l_uid_t _uid; /* sender's uid */
445 l_pid_t _pid; /* which child */
446 l_uid_t _uid; /* sender's uid */
447 l_int _status; /* exit code */
453 l_uintptr_t _addr; /* Faulting insn/memory ref. */
454 } __packed _sigfault;
457 l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */
461 } __packed l_siginfo_t;
463 #define lsi_pid _sifields._kill._pid
464 #define lsi_uid _sifields._kill._uid
465 #define lsi_tid _sifields._timer._tid
466 #define lsi_overrun _sifields._timer._overrun
467 #define lsi_sys_private _sifields._timer._sys_private
468 #define lsi_status _sifields._sigchld._status
469 #define lsi_utime _sifields._sigchld._utime
470 #define lsi_stime _sifields._sigchld._stime
471 #define lsi_value _sifields._rt._sigval
472 #define lsi_int _sifields._rt._sigval.sival_int
473 #define lsi_ptr _sifields._rt._sigval.sival_ptr
474 #define lsi_addr _sifields._sigfault._addr
475 #define lsi_band _sifields._sigpoll._band
476 #define lsi_fd _sifields._sigpoll._fd
479 u_int16_t significand[4];
484 u_int16_t significand[4];
486 u_int16_t padding[3];
490 u_int32_t element[4];
494 /* Regular FPU environment */
502 struct l_fpreg _st[8];
504 u_int16_t magic; /* 0xffff = regular FPU data */
506 /* FXSR FPU environment */
507 u_int32_t _fxsr_env[6]; /* env is ignored. */
510 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */
511 struct l_xmmreg _xmm[8];
512 u_int32_t padding[56];
516 * We make the stack look like Linux expects it when calling a signal
517 * handler, but use the BSD way of calling the handler and sigreturn().
518 * This means that we need to pass the pointer to the handler too.
519 * It is appended to the frame to not interfere with the rest of it.
523 struct l_sigcontext sf_sc;
524 struct l_fpstate sf_fpstate;
525 l_uint sf_extramask[LINUX_NSIG_WORDS-1];
526 l_handler_t sf_handler;
529 struct l_rt_sigframe {
531 l_uintptr_t sf_siginfo;
532 l_uintptr_t sf_ucontext;
534 struct l_ucontext sf_sc;
535 l_handler_t sf_handler;
538 extern int bsd_to_linux_signal[];
539 extern int linux_to_bsd_signal[];
540 extern struct sysentvec elf_linux_sysvec;
543 * Pluggable ioctl handlers
545 struct linux_ioctl_args;
548 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
550 struct linux_ioctl_handler {
551 linux_ioctl_function_t *func;
555 int linux_ioctl_register_handler(struct linux_ioctl_handler *h);
556 int linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
561 #define LINUX_O_RDONLY 00000000
562 #define LINUX_O_WRONLY 00000001
563 #define LINUX_O_RDWR 00000002
564 #define LINUX_O_ACCMODE 00000003
565 #define LINUX_O_CREAT 00000100
566 #define LINUX_O_EXCL 00000200
567 #define LINUX_O_NOCTTY 00000400
568 #define LINUX_O_TRUNC 00001000
569 #define LINUX_O_APPEND 00002000
570 #define LINUX_O_NONBLOCK 00004000
571 #define LINUX_O_NDELAY LINUX_O_NONBLOCK
572 #define LINUX_O_SYNC 00010000
573 #define LINUX_FASYNC 00020000
574 #define LINUX_O_DIRECT 00040000 /* Direct disk access hint */
575 #define LINUX_O_LARGEFILE 00100000
576 #define LINUX_O_DIRECTORY 00200000 /* Must be a directory */
577 #define LINUX_O_NOFOLLOW 00400000 /* Do not follow links */
578 #define LINUX_O_NOATIME 01000000
579 #define LINUX_O_CLOEXEC 02000000
581 #define LINUX_F_DUPFD 0
582 #define LINUX_F_GETFD 1
583 #define LINUX_F_SETFD 2
584 #define LINUX_F_GETFL 3
585 #define LINUX_F_SETFL 4
586 #define LINUX_F_GETLK 5
587 #define LINUX_F_SETLK 6
588 #define LINUX_F_SETLKW 7
589 #define LINUX_F_SETOWN 8
590 #define LINUX_F_GETOWN 9
592 #define LINUX_F_GETLK64 12
593 #define LINUX_F_SETLK64 13
594 #define LINUX_F_SETLKW64 14
596 #define LINUX_F_RDLCK 0
597 #define LINUX_F_WRLCK 1
598 #define LINUX_F_UNLCK 2
601 * posix_fadvise advice
603 #define LINUX_POSIX_FADV_NORMAL 0
604 #define LINUX_POSIX_FADV_RANDOM 1
605 #define LINUX_POSIX_FADV_SEQUENTIAL 2
606 #define LINUX_POSIX_FADV_WILLNEED 3
607 #define LINUX_POSIX_FADV_DONTNEED 4
608 #define LINUX_POSIX_FADV_NOREUSE 5
613 #define LINUX_MS_RDONLY 0x0001
614 #define LINUX_MS_NOSUID 0x0002
615 #define LINUX_MS_NODEV 0x0004
616 #define LINUX_MS_NOEXEC 0x0008
617 #define LINUX_MS_REMOUNT 0x0020
620 * SystemV IPC defines
622 #define LINUX_SEMOP 1
623 #define LINUX_SEMGET 2
624 #define LINUX_SEMCTL 3
625 #define LINUX_MSGSND 11
626 #define LINUX_MSGRCV 12
627 #define LINUX_MSGGET 13
628 #define LINUX_MSGCTL 14
629 #define LINUX_SHMAT 21
630 #define LINUX_SHMDT 22
631 #define LINUX_SHMGET 23
632 #define LINUX_SHMCTL 24
634 #define LINUX_IPC_RMID 0
635 #define LINUX_IPC_SET 1
636 #define LINUX_IPC_STAT 2
637 #define LINUX_IPC_INFO 3
639 #define LINUX_SHM_LOCK 11
640 #define LINUX_SHM_UNLOCK 12
641 #define LINUX_SHM_STAT 13
642 #define LINUX_SHM_INFO 14
644 #define LINUX_SHM_RDONLY 0x1000
645 #define LINUX_SHM_RND 0x2000
646 #define LINUX_SHM_REMAP 0x4000
648 /* semctl commands */
649 #define LINUX_GETPID 11
650 #define LINUX_GETVAL 12
651 #define LINUX_GETALL 13
652 #define LINUX_GETNCNT 14
653 #define LINUX_GETZCNT 15
654 #define LINUX_SETVAL 16
655 #define LINUX_SETALL 17
656 #define LINUX_SEM_STAT 18
657 #define LINUX_SEM_INFO 19
670 #define LINUX_SOCKET 1
672 #define LINUX_CONNECT 3
673 #define LINUX_LISTEN 4
674 #define LINUX_ACCEPT 5
675 #define LINUX_GETSOCKNAME 6
676 #define LINUX_GETPEERNAME 7
677 #define LINUX_SOCKETPAIR 8
679 #define LINUX_RECV 10
680 #define LINUX_SENDTO 11
681 #define LINUX_RECVFROM 12
682 #define LINUX_SHUTDOWN 13
683 #define LINUX_SETSOCKOPT 14
684 #define LINUX_GETSOCKOPT 15
685 #define LINUX_SENDMSG 16
686 #define LINUX_RECVMSG 17
687 #define LINUX_ACCEPT4 18
689 #define LINUX_SOL_SOCKET 1
690 #define LINUX_SOL_IP 0
691 #define LINUX_SOL_IPX 256
692 #define LINUX_SOL_AX25 257
693 #define LINUX_SOL_TCP 6
694 #define LINUX_SOL_UDP 17
696 #define LINUX_SO_DEBUG 1
697 #define LINUX_SO_REUSEADDR 2
698 #define LINUX_SO_TYPE 3
699 #define LINUX_SO_ERROR 4
700 #define LINUX_SO_DONTROUTE 5
701 #define LINUX_SO_BROADCAST 6
702 #define LINUX_SO_SNDBUF 7
703 #define LINUX_SO_RCVBUF 8
704 #define LINUX_SO_KEEPALIVE 9
705 #define LINUX_SO_OOBINLINE 10
706 #define LINUX_SO_NO_CHECK 11
707 #define LINUX_SO_PRIORITY 12
708 #define LINUX_SO_LINGER 13
709 #define LINUX_SO_PEERCRED 17
710 #define LINUX_SO_RCVLOWAT 18
711 #define LINUX_SO_SNDLOWAT 19
712 #define LINUX_SO_RCVTIMEO 20
713 #define LINUX_SO_SNDTIMEO 21
714 #define LINUX_SO_TIMESTAMP 29
715 #define LINUX_SO_ACCEPTCONN 30
717 #define LINUX_IP_TOS 1
718 #define LINUX_IP_TTL 2
719 #define LINUX_IP_HDRINCL 3
720 #define LINUX_IP_OPTIONS 4
722 #define LINUX_IP_MULTICAST_IF 32
723 #define LINUX_IP_MULTICAST_TTL 33
724 #define LINUX_IP_MULTICAST_LOOP 34
725 #define LINUX_IP_ADD_MEMBERSHIP 35
726 #define LINUX_IP_DROP_MEMBERSHIP 36
728 #define LINUX_TCP_NODELAY 1
729 #define LINUX_TCP_MAXSEG 2
730 #define LINUX_TCP_KEEPIDLE 4
731 #define LINUX_TCP_KEEPINTVL 5
732 #define LINUX_TCP_KEEPCNT 6
733 #define LINUX_TCP_MD5SIG 14
741 l_uintptr_t msg_name;
745 l_uintptr_t msg_control;
746 l_size_t msg_controllen;
765 #define LINUX_IFHWADDRLEN 6
766 #define LINUX_IFNAMSIZ 16
770 char ifrn_name[LINUX_IFNAMSIZ];
774 struct l_sockaddr ifru_addr;
775 struct l_sockaddr ifru_dstaddr;
776 struct l_sockaddr ifru_broadaddr;
777 struct l_sockaddr ifru_netmask;
778 struct l_sockaddr ifru_hwaddr;
779 l_short ifru_flags[1];
782 struct l_ifmap ifru_map;
783 char ifru_slave[LINUX_IFNAMSIZ];
784 l_uintptr_t ifru_data;
788 #define ifr_name ifr_ifrn.ifrn_name /* Interface name */
789 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
794 l_uintptr_t ifcu_buf;
795 l_uintptr_t ifcu_req;
799 #define ifc_buf ifc_ifcu.ifcu_buf
800 #define ifc_req ifc_ifcu.ifcu_req
805 #define LINUX_POLLIN 0x0001
806 #define LINUX_POLLPRI 0x0002
807 #define LINUX_POLLOUT 0x0004
808 #define LINUX_POLLERR 0x0008
809 #define LINUX_POLLHUP 0x0010
810 #define LINUX_POLLNVAL 0x0020
811 #define LINUX_POLLRDNORM 0x0040
812 #define LINUX_POLLRDBAND 0x0080
813 #define LINUX_POLLWRNORM 0x0100
814 #define LINUX_POLLWRBAND 0x0200
815 #define LINUX_POLLMSG 0x0400
829 l_uint read_exec_only:1;
830 l_uint limit_in_pages:1;
831 l_uint seg_not_present:1;
835 #define LINUX_LOWERWORD 0x0000ffff
838 * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
839 * These convert Linux user space descriptor to machine one.
841 #define LINUX_LDT_entry_a(info) \
842 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \
843 ((info)->limit & LINUX_LOWERWORD))
845 #define LINUX_ENTRY_B_READ_EXEC_ONLY 9
846 #define LINUX_ENTRY_B_CONTENTS 10
847 #define LINUX_ENTRY_B_SEG_NOT_PRESENT 15
848 #define LINUX_ENTRY_B_BASE_ADDR 16
849 #define LINUX_ENTRY_B_USEABLE 20
850 #define LINUX_ENTRY_B_SEG32BIT 22
851 #define LINUX_ENTRY_B_LIMIT 23
853 #define LINUX_LDT_entry_b(info) \
854 (((info)->base_addr & 0xff000000) | \
855 ((info)->limit & 0xf0000) | \
856 ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \
857 (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \
858 (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \
859 (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \
860 ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \
861 ((info)->useable << LINUX_ENTRY_B_USEABLE) | \
862 ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
864 #define LINUX_LDT_empty(info) \
865 ((info)->base_addr == 0 && \
866 (info)->limit == 0 && \
867 (info)->contents == 0 && \
868 (info)->seg_not_present == 1 && \
869 (info)->read_exec_only == 1 && \
870 (info)->seg_32bit == 0 && \
871 (info)->limit_in_pages == 0 && \
872 (info)->useable == 0)
875 * Macros for converting segments.
876 * They do the same as those in arch/i386/kernel/process.c in Linux.
878 #define LINUX_GET_BASE(desc) \
879 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \
880 (((desc)->b << 16) & 0x00ff0000) | \
881 ((desc)->b & 0xff000000))
883 #define LINUX_GET_LIMIT(desc) \
884 (((desc)->a & LINUX_LOWERWORD) | \
885 ((desc)->b & 0xf0000))
887 #define LINUX_GET_32BIT(desc) \
888 (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
889 #define LINUX_GET_CONTENTS(desc) \
890 (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
891 #define LINUX_GET_WRITABLE(desc) \
892 (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
893 #define LINUX_GET_LIMIT_PAGES(desc) \
894 (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
895 #define LINUX_GET_PRESENT(desc) \
896 (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
897 #define LINUX_GET_USEABLE(desc) \
898 (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
900 #define LINUX_CLOCK_REALTIME 0
901 #define LINUX_CLOCK_MONOTONIC 1
902 #define LINUX_CLOCK_PROCESS_CPUTIME_ID 2
903 #define LINUX_CLOCK_THREAD_CPUTIME_ID 3
904 #define LINUX_CLOCK_REALTIME_HR 4
905 #define LINUX_CLOCK_MONOTONIC_HR 5
907 #define LINUX_CLONE_VM 0x00000100
908 #define LINUX_CLONE_FS 0x00000200
909 #define LINUX_CLONE_FILES 0x00000400
910 #define LINUX_CLONE_SIGHAND 0x00000800
911 #define LINUX_CLONE_PID 0x00001000 /* No longer exist in Linux */
912 #define LINUX_CLONE_VFORK 0x00004000
913 #define LINUX_CLONE_PARENT 0x00008000
914 #define LINUX_CLONE_THREAD 0x00010000
915 #define LINUX_CLONE_SETTLS 0x00080000
916 #define LINUX_CLONE_PARENT_SETTID 0x00100000
917 #define LINUX_CLONE_CHILD_CLEARTID 0x00200000
918 #define LINUX_CLONE_CHILD_SETTID 0x01000000
920 #define LINUX_THREADING_FLAGS \
921 (LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES | \
922 LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD)
931 int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt,
932 struct iovec **iovp, int error);
935 struct linux_robust_list {
939 struct linux_robust_list_head {
940 struct linux_robust_list list;
942 l_uintptr_t pending_list;
945 int linux_set_upcall_kse(struct thread *td, register_t stack);
946 int linux_set_cloned_tls(struct thread *td, void *desc);
948 #endif /* !_AMD64_LINUX_H_ */