2 * Copyright (c) 1994-1996 Søren Schmidt
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #ifndef _I386_LINUX_H_
32 #define _I386_LINUX_H_
34 #include <sys/signal.h> /* for sigval union */
36 #include <i386/linux/linux_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 linuxulator
48 MALLOC_DECLARE(M_LINUX);
51 #define LINUX_SHAREDPAGE (VM_MAXUSER_ADDRESS - PAGE_SIZE)
52 #define LINUX_USRSTACK LINUX_SHAREDPAGE
54 #define PTRIN(v) (void *)(v)
55 #define PTROUT(v) (l_uintptr_t)(v)
57 #define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0)
58 #define CP2(src,dst,sfld,dfld) do { (dst).dfld = (src).sfld; } while (0)
59 #define PTRIN_CP(src,dst,fld) \
60 do { (dst).fld = PTRIN((src).fld); } while (0)
63 * Provide a separate set of types for the Linux types.
66 typedef int32_t l_long;
67 typedef int64_t l_longlong;
68 typedef short l_short;
69 typedef unsigned int l_uint;
70 typedef uint32_t l_ulong;
71 typedef uint64_t l_ulonglong;
72 typedef unsigned short l_ushort;
74 typedef char *l_caddr_t;
75 typedef l_ulong l_uintptr_t;
76 typedef l_long l_clock_t;
77 typedef l_int l_daddr_t;
78 typedef l_ushort l_dev_t;
79 typedef l_uint l_gid_t;
80 typedef l_ushort l_gid16_t;
81 typedef l_ulong l_ino_t;
82 typedef l_int l_key_t;
83 typedef l_longlong l_loff_t;
84 typedef l_ushort l_mode_t;
85 typedef l_long l_off_t;
86 typedef l_int l_pid_t;
87 typedef l_uint l_size_t;
88 typedef l_long l_suseconds_t;
89 typedef l_long l_time_t;
90 typedef l_uint l_uid_t;
91 typedef l_ushort l_uid16_t;
92 typedef l_int l_timer_t;
93 typedef l_int l_mqd_t;
101 l_suseconds_t tv_usec;
104 #define l_fd_set fd_set
109 #define LINUX_AT_COUNT 16 /* Count of used aux entry types.
110 * Keep this synchronized with
111 * elf_linux_fixup() code.
113 struct l___sysctl_args
124 /* Resource limits */
125 #define LINUX_RLIMIT_CPU 0
126 #define LINUX_RLIMIT_FSIZE 1
127 #define LINUX_RLIMIT_DATA 2
128 #define LINUX_RLIMIT_STACK 3
129 #define LINUX_RLIMIT_CORE 4
130 #define LINUX_RLIMIT_RSS 5
131 #define LINUX_RLIMIT_NPROC 6
132 #define LINUX_RLIMIT_NOFILE 7
133 #define LINUX_RLIMIT_MEMLOCK 8
134 #define LINUX_RLIMIT_AS 9 /* Address space limit */
136 #define LINUX_RLIM_NLIMITS 10
144 #define LINUX_MAP_SHARED 0x0001
145 #define LINUX_MAP_PRIVATE 0x0002
146 #define LINUX_MAP_FIXED 0x0010
147 #define LINUX_MAP_ANON 0x0020
148 #define LINUX_MAP_GROWSDOWN 0x0100
160 * stat family of syscalls
180 struct l_timespec st_atim;
181 struct l_timespec st_mtim;
182 struct l_timespec st_ctim;
196 struct l_timespec st_atim;
197 struct l_timespec st_mtim;
198 struct l_timespec st_ctim;
219 struct l_timespec st_atim;
220 struct l_timespec st_mtim;
221 struct l_timespec st_ctim;
241 #define LINUX_SIGHUP 1
242 #define LINUX_SIGINT 2
243 #define LINUX_SIGQUIT 3
244 #define LINUX_SIGILL 4
245 #define LINUX_SIGTRAP 5
246 #define LINUX_SIGABRT 6
247 #define LINUX_SIGIOT LINUX_SIGABRT
248 #define LINUX_SIGBUS 7
249 #define LINUX_SIGFPE 8
250 #define LINUX_SIGKILL 9
251 #define LINUX_SIGUSR1 10
252 #define LINUX_SIGSEGV 11
253 #define LINUX_SIGUSR2 12
254 #define LINUX_SIGPIPE 13
255 #define LINUX_SIGALRM 14
256 #define LINUX_SIGTERM 15
257 #define LINUX_SIGSTKFLT 16
258 #define LINUX_SIGCHLD 17
259 #define LINUX_SIGCONT 18
260 #define LINUX_SIGSTOP 19
261 #define LINUX_SIGTSTP 20
262 #define LINUX_SIGTTIN 21
263 #define LINUX_SIGTTOU 22
264 #define LINUX_SIGURG 23
265 #define LINUX_SIGXCPU 24
266 #define LINUX_SIGXFSZ 25
267 #define LINUX_SIGVTALRM 26
268 #define LINUX_SIGPROF 27
269 #define LINUX_SIGWINCH 28
270 #define LINUX_SIGIO 29
271 #define LINUX_SIGPOLL LINUX_SIGIO
272 #define LINUX_SIGPWR 30
273 #define LINUX_SIGSYS 31
274 #define LINUX_SIGRTMIN 32
276 #define LINUX_SIGTBLSZ 31
277 #define LINUX_NSIG_WORDS 2
278 #define LINUX_NBPW 32
279 #define LINUX_NSIG (LINUX_NBPW * LINUX_NSIG_WORDS)
281 /* sigaction flags */
282 #define LINUX_SA_NOCLDSTOP 0x00000001
283 #define LINUX_SA_NOCLDWAIT 0x00000002
284 #define LINUX_SA_SIGINFO 0x00000004
285 #define LINUX_SA_RESTORER 0x04000000
286 #define LINUX_SA_ONSTACK 0x08000000
287 #define LINUX_SA_RESTART 0x10000000
288 #define LINUX_SA_INTERRUPT 0x20000000
289 #define LINUX_SA_NOMASK 0x40000000
290 #define LINUX_SA_ONESHOT 0x80000000
292 /* sigprocmask actions */
293 #define LINUX_SIG_BLOCK 0
294 #define LINUX_SIG_UNBLOCK 1
295 #define LINUX_SIG_SETMASK 2
297 /* sigset_t macros */
298 #define LINUX_SIGEMPTYSET(set) (set).__bits[0] = (set).__bits[1] = 0
299 #define LINUX_SIGISMEMBER(set, sig) SIGISMEMBER(set, sig)
300 #define LINUX_SIGADDSET(set, sig) SIGADDSET(set, sig)
303 #define LINUX_MINSIGSTKSZ 2048
304 #define LINUX_SS_ONSTACK 1
305 #define LINUX_SS_DISABLE 2
307 int linux_to_bsd_sigaltstack(int lsa);
308 int bsd_to_linux_sigaltstack(int bsa);
310 typedef void (*l_handler_t)(l_int);
311 typedef l_ulong l_osigset_t;
314 l_uint __bits[LINUX_NSIG_WORDS];
318 l_handler_t lsa_handler;
319 l_osigset_t lsa_mask;
321 void (*lsa_restorer)(void);
325 l_handler_t lsa_handler;
327 void (*lsa_restorer)(void);
337 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
338 struct l_sigcontext {
356 l_int sc_esp_at_signal;
367 struct l_sigcontext uc_mcontext;
368 l_sigset_t uc_sigmask;
371 #define LINUX_SI_MAX_SIZE 128
372 #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
374 typedef union l_sigval {
376 l_uintptr_t sival_ptr;
379 typedef struct l_siginfo {
384 l_int _pad[LINUX_SI_PAD_SIZE];
394 char _pad[sizeof(l_uid_t) - sizeof(l_int)];
400 l_pid_t _pid; /* sender's pid */
401 l_uid_t _uid; /* sender's uid */
406 l_pid_t _pid; /* which child */
407 l_uid_t _uid; /* sender's uid */
408 l_int _status; /* exit code */
414 l_uintptr_t _addr; /* Faulting insn/memory ref. */
418 l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */
424 #define lsi_pid _sifields._kill._pid
425 #define lsi_uid _sifields._kill._uid
426 #define lsi_tid _sifields._timer._tid
427 #define lsi_overrun _sifields._timer._overrun
428 #define lsi_sys_private _sifields._timer._sys_private
429 #define lsi_status _sifields._sigchld._status
430 #define lsi_utime _sifields._sigchld._utime
431 #define lsi_stime _sifields._sigchld._stime
432 #define lsi_value _sifields._rt._sigval
433 #define lsi_int _sifields._rt._sigval.sival_int
434 #define lsi_ptr _sifields._rt._sigval.sival_ptr
435 #define lsi_addr _sifields._sigfault._addr
436 #define lsi_band _sifields._sigpoll._band
437 #define lsi_fd _sifields._sigpoll._fd
440 u_int16_t significand[4];
445 u_int16_t significand[4];
447 u_int16_t padding[3];
451 u_int32_t element[4];
455 /* Regular FPU environment */
463 struct l_fpreg _st[8];
465 u_int16_t magic; /* 0xffff = regular FPU data */
467 /* FXSR FPU environment */
468 u_int32_t _fxsr_env[6]; /* env is ignored. */
471 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */
472 struct l_xmmreg _xmm[8];
473 u_int32_t padding[56];
477 * We make the stack look like Linux expects it when calling a signal
478 * handler, but use the BSD way of calling the handler and sigreturn().
479 * This means that we need to pass the pointer to the handler too.
480 * It is appended to the frame to not interfere with the rest of it.
484 struct l_sigcontext sf_sc;
485 struct l_fpstate sf_fpstate;
486 l_uint sf_extramask[LINUX_NSIG_WORDS-1];
487 l_handler_t sf_handler;
490 struct l_rt_sigframe {
492 l_siginfo_t *sf_siginfo;
493 struct l_ucontext *sf_ucontext;
495 struct l_ucontext sf_sc;
496 l_handler_t sf_handler;
499 extern struct sysentvec linux_sysvec;
500 extern struct sysentvec elf_linux_sysvec;
505 #define LINUX_O_RDONLY 00000000
506 #define LINUX_O_WRONLY 00000001
507 #define LINUX_O_RDWR 00000002
508 #define LINUX_O_ACCMODE 00000003
509 #define LINUX_O_CREAT 00000100
510 #define LINUX_O_EXCL 00000200
511 #define LINUX_O_NOCTTY 00000400
512 #define LINUX_O_TRUNC 00001000
513 #define LINUX_O_APPEND 00002000
514 #define LINUX_O_NONBLOCK 00004000
515 #define LINUX_O_NDELAY LINUX_O_NONBLOCK
516 #define LINUX_O_SYNC 00010000
517 #define LINUX_FASYNC 00020000
518 #define LINUX_O_DIRECT 00040000 /* Direct disk access hint */
519 #define LINUX_O_LARGEFILE 00100000
520 #define LINUX_O_DIRECTORY 00200000 /* Must be a directory */
521 #define LINUX_O_NOFOLLOW 00400000 /* Do not follow links */
522 #define LINUX_O_NOATIME 01000000
523 #define LINUX_O_CLOEXEC 02000000
525 #define LINUX_F_DUPFD 0
526 #define LINUX_F_GETFD 1
527 #define LINUX_F_SETFD 2
528 #define LINUX_F_GETFL 3
529 #define LINUX_F_SETFL 4
530 #define LINUX_F_GETLK 5
531 #define LINUX_F_SETLK 6
532 #define LINUX_F_SETLKW 7
533 #define LINUX_F_SETOWN 8
534 #define LINUX_F_GETOWN 9
536 #define LINUX_F_GETLK64 12
537 #define LINUX_F_SETLK64 13
538 #define LINUX_F_SETLKW64 14
540 #define LINUX_F_RDLCK 0
541 #define LINUX_F_WRLCK 1
542 #define LINUX_F_UNLCK 2
546 struct l_semid_ds *buf;
548 struct l_seminfo *__buf;
555 #define LINUX_SOL_SOCKET 1
556 #define LINUX_SOL_IP 0
557 #define LINUX_SOL_IPX 256
558 #define LINUX_SOL_AX25 257
559 #define LINUX_SOL_TCP 6
560 #define LINUX_SOL_UDP 17
562 #define LINUX_SO_DEBUG 1
563 #define LINUX_SO_REUSEADDR 2
564 #define LINUX_SO_TYPE 3
565 #define LINUX_SO_ERROR 4
566 #define LINUX_SO_DONTROUTE 5
567 #define LINUX_SO_BROADCAST 6
568 #define LINUX_SO_SNDBUF 7
569 #define LINUX_SO_RCVBUF 8
570 #define LINUX_SO_KEEPALIVE 9
571 #define LINUX_SO_OOBINLINE 10
572 #define LINUX_SO_NO_CHECK 11
573 #define LINUX_SO_PRIORITY 12
574 #define LINUX_SO_LINGER 13
575 #define LINUX_SO_PEERCRED 17
576 #define LINUX_SO_RCVLOWAT 18
577 #define LINUX_SO_SNDLOWAT 19
578 #define LINUX_SO_RCVTIMEO 20
579 #define LINUX_SO_SNDTIMEO 21
580 #define LINUX_SO_TIMESTAMP 29
581 #define LINUX_SO_ACCEPTCONN 30
589 l_uintptr_t msg_name;
593 l_uintptr_t msg_control;
594 l_size_t msg_controllen;
613 #define LINUX_IFHWADDRLEN 6
614 #define LINUX_IFNAMSIZ 16
618 char ifrn_name[LINUX_IFNAMSIZ];
622 struct l_sockaddr ifru_addr;
623 struct l_sockaddr ifru_dstaddr;
624 struct l_sockaddr ifru_broadaddr;
625 struct l_sockaddr ifru_netmask;
626 struct l_sockaddr ifru_hwaddr;
627 l_short ifru_flags[1];
630 struct l_ifmap ifru_map;
631 char ifru_slave[LINUX_IFNAMSIZ];
636 #define ifr_name ifr_ifrn.ifrn_name /* Interface name */
637 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
642 #define LINUX_POLLIN 0x0001
643 #define LINUX_POLLPRI 0x0002
644 #define LINUX_POLLOUT 0x0004
645 #define LINUX_POLLERR 0x0008
646 #define LINUX_POLLHUP 0x0010
647 #define LINUX_POLLNVAL 0x0020
648 #define LINUX_POLLRDNORM 0x0040
649 #define LINUX_POLLRDBAND 0x0080
650 #define LINUX_POLLWRNORM 0x0100
651 #define LINUX_POLLWRBAND 0x0200
652 #define LINUX_POLLMSG 0x0400
666 l_uint read_exec_only:1;
667 l_uint limit_in_pages:1;
668 l_uint seg_not_present:1;
672 struct l_desc_struct {
677 #define LINUX_LOWERWORD 0x0000ffff
680 * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
681 * These convert Linux user space descriptor to machine one.
683 #define LINUX_LDT_entry_a(info) \
684 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \
685 ((info)->limit & LINUX_LOWERWORD))
687 #define LINUX_ENTRY_B_READ_EXEC_ONLY 9
688 #define LINUX_ENTRY_B_CONTENTS 10
689 #define LINUX_ENTRY_B_SEG_NOT_PRESENT 15
690 #define LINUX_ENTRY_B_BASE_ADDR 16
691 #define LINUX_ENTRY_B_USEABLE 20
692 #define LINUX_ENTRY_B_SEG32BIT 22
693 #define LINUX_ENTRY_B_LIMIT 23
695 #define LINUX_LDT_entry_b(info) \
696 (((info)->base_addr & 0xff000000) | \
697 ((info)->limit & 0xf0000) | \
698 ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \
699 (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \
700 (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \
701 (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \
702 ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \
703 ((info)->useable << LINUX_ENTRY_B_USEABLE) | \
704 ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
706 #define LINUX_LDT_empty(info) \
707 ((info)->base_addr == 0 && \
708 (info)->limit == 0 && \
709 (info)->contents == 0 && \
710 (info)->seg_not_present == 1 && \
711 (info)->read_exec_only == 1 && \
712 (info)->seg_32bit == 0 && \
713 (info)->limit_in_pages == 0 && \
714 (info)->useable == 0)
717 * Macros for converting segments.
718 * They do the same as those in arch/i386/kernel/process.c in Linux.
720 #define LINUX_GET_BASE(desc) \
721 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \
722 (((desc)->b << 16) & 0x00ff0000) | \
723 ((desc)->b & 0xff000000))
725 #define LINUX_GET_LIMIT(desc) \
726 (((desc)->a & LINUX_LOWERWORD) | \
727 ((desc)->b & 0xf0000))
729 #define LINUX_GET_32BIT(desc) \
730 (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
731 #define LINUX_GET_CONTENTS(desc) \
732 (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
733 #define LINUX_GET_WRITABLE(desc) \
734 (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
735 #define LINUX_GET_LIMIT_PAGES(desc) \
736 (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
737 #define LINUX_GET_PRESENT(desc) \
738 (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
739 #define LINUX_GET_USEABLE(desc) \
740 (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
743 struct linux_robust_list {
744 struct linux_robust_list *next;
747 struct linux_robust_list_head {
748 struct linux_robust_list list;
750 struct linux_robust_list *pending_list;
753 #endif /* !_I386_LINUX_H_ */