xref: /freebsd/sys/amd64/linux32/linux.h (revision f05cddf9)
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 <amd64/linux32/linux32_syscall.h>
37 
38 /*
39  * debugging support
40  */
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
46 
47 #ifdef MALLOC_DECLARE
48 MALLOC_DECLARE(M_LINUX);
49 #endif
50 
51 #define	LINUX32_MAXUSER		((1ul << 32) - PAGE_SIZE)
52 #define	LINUX32_SHAREDPAGE	(LINUX32_MAXUSER - PAGE_SIZE)
53 #define	LINUX32_USRSTACK	LINUX32_SHAREDPAGE
54 
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 */
60 
61 #define	PTRIN(v)	(void *)(uintptr_t)(v)
62 #define	PTROUT(v)	(l_uintptr_t)(uintptr_t)(v)
63 
64 /*
65  * Provide a separate set of types for the Linux types.
66  */
67 typedef int		l_int;
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;
75 
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;
95 
96 typedef struct {
97 	l_int		val[2];
98 } __packed l_fsid_t;
99 
100 typedef struct {
101 	l_time_t	tv_sec;
102 	l_suseconds_t	tv_usec;
103 } l_timeval;
104 
105 #define	l_fd_set	fd_set
106 
107 /*
108  * Miscellaneous
109  */
110 #define	LINUX_AT_COUNT		16	/* Count of used aux entry types.
111 					 * Keep this synchronized with
112 					 * elf_linux_fixup() code.
113 					 */
114 struct l___sysctl_args
115 {
116 	l_uintptr_t	name;
117 	l_int		nlen;
118 	l_uintptr_t	oldval;
119 	l_uintptr_t	oldlenp;
120 	l_uintptr_t	newval;
121 	l_size_t	newlen;
122 	l_ulong		__spare[4];
123 } __packed;
124 
125 /* Resource limits */
126 #define	LINUX_RLIMIT_CPU	0
127 #define	LINUX_RLIMIT_FSIZE	1
128 #define	LINUX_RLIMIT_DATA	2
129 #define	LINUX_RLIMIT_STACK	3
130 #define	LINUX_RLIMIT_CORE	4
131 #define	LINUX_RLIMIT_RSS	5
132 #define	LINUX_RLIMIT_NPROC	6
133 #define	LINUX_RLIMIT_NOFILE	7
134 #define	LINUX_RLIMIT_MEMLOCK	8
135 #define	LINUX_RLIMIT_AS		9	/* Address space limit */
136 
137 #define	LINUX_RLIM_NLIMITS	10
138 
139 struct l_rlimit {
140 	l_ulong rlim_cur;
141 	l_ulong rlim_max;
142 } __packed;
143 
144 struct l_rusage {
145 	l_timeval ru_utime;
146 	l_timeval ru_stime;
147 	l_long	ru_maxrss;
148 	l_long	ru_ixrss;
149 	l_long	ru_idrss;
150 	l_long	ru_isrss;
151 	l_long	ru_minflt;
152 	l_long	ru_majflt;
153 	l_long	ru_nswap;
154 	l_long	ru_inblock;
155 	l_long	ru_oublock;
156 	l_long	ru_msgsnd;
157 	l_long	ru_msgrcv;
158 	l_long	ru_nsignals;
159 	l_long	ru_nvcsw;
160 	l_long	ru_nivcsw;
161 } __packed;
162 
163 /* mmap options */
164 #define	LINUX_MAP_SHARED	0x0001
165 #define	LINUX_MAP_PRIVATE	0x0002
166 #define	LINUX_MAP_FIXED		0x0010
167 #define	LINUX_MAP_ANON		0x0020
168 #define	LINUX_MAP_GROWSDOWN	0x0100
169 
170 struct l_mmap_argv {
171 	l_uintptr_t	addr;
172 	l_size_t	len;
173 	l_int		prot;
174 	l_int		flags;
175 	l_int		fd;
176 	l_ulong		pgoff;
177 };
178 
179 /*
180  * stat family of syscalls
181  */
182 struct l_timespec {
183 	l_time_t	tv_sec;
184 	l_long		tv_nsec;
185 } __packed;
186 
187 struct l_newstat {
188 	l_ushort	st_dev;
189 	l_ushort	__pad1;
190 	l_ulong		st_ino;
191 	l_ushort	st_mode;
192 	l_ushort	st_nlink;
193 	l_ushort	st_uid;
194 	l_ushort	st_gid;
195 	l_ushort	st_rdev;
196 	l_ushort	__pad2;
197 	l_ulong		st_size;
198 	l_ulong		st_blksize;
199 	l_ulong		st_blocks;
200 	struct l_timespec	st_atim;
201 	struct l_timespec	st_mtim;
202 	struct l_timespec	st_ctim;
203 	l_ulong		__unused4;
204 	l_ulong		__unused5;
205 } __packed;
206 
207 struct l_stat {
208 	l_ushort	st_dev;
209 	l_ulong		st_ino;
210 	l_ushort	st_mode;
211 	l_ushort	st_nlink;
212 	l_ushort	st_uid;
213 	l_ushort	st_gid;
214 	l_ushort	st_rdev;
215 	l_long		st_size;
216 	struct l_timespec	st_atim;
217 	struct l_timespec	st_mtim;
218 	struct l_timespec	st_ctim;
219 	l_long		st_blksize;
220 	l_long		st_blocks;
221 	l_ulong		st_flags;
222 	l_ulong		st_gen;
223 };
224 
225 struct l_stat64 {
226 	l_ushort	st_dev;
227 	u_char		__pad0[10];
228 	l_ulong		__st_ino;
229 	l_uint		st_mode;
230 	l_uint		st_nlink;
231 	l_ulong		st_uid;
232 	l_ulong		st_gid;
233 	l_ushort	st_rdev;
234 	u_char		__pad3[10];
235 	l_longlong	st_size;
236 	l_ulong		st_blksize;
237 	l_ulong		st_blocks;
238 	l_ulong		__pad4;
239 	struct l_timespec	st_atim;
240 	struct l_timespec	st_mtim;
241 	struct l_timespec	st_ctim;
242 	l_ulonglong	st_ino;
243 } __packed;
244 
245 struct l_statfs64 {
246         l_int           f_type;
247         l_int           f_bsize;
248         uint64_t        f_blocks;
249         uint64_t        f_bfree;
250         uint64_t        f_bavail;
251         uint64_t        f_files;
252         uint64_t        f_ffree;
253         l_fsid_t        f_fsid;
254         l_int           f_namelen;
255         l_int           f_spare[6];
256 } __packed;
257 
258 /*
259  * Signalling
260  */
261 #define	LINUX_SIGHUP		1
262 #define	LINUX_SIGINT		2
263 #define	LINUX_SIGQUIT		3
264 #define	LINUX_SIGILL		4
265 #define	LINUX_SIGTRAP		5
266 #define	LINUX_SIGABRT		6
267 #define	LINUX_SIGIOT		LINUX_SIGABRT
268 #define	LINUX_SIGBUS		7
269 #define	LINUX_SIGFPE		8
270 #define	LINUX_SIGKILL		9
271 #define	LINUX_SIGUSR1		10
272 #define	LINUX_SIGSEGV		11
273 #define	LINUX_SIGUSR2		12
274 #define	LINUX_SIGPIPE		13
275 #define	LINUX_SIGALRM		14
276 #define	LINUX_SIGTERM		15
277 #define	LINUX_SIGSTKFLT		16
278 #define	LINUX_SIGCHLD		17
279 #define	LINUX_SIGCONT		18
280 #define	LINUX_SIGSTOP		19
281 #define	LINUX_SIGTSTP		20
282 #define	LINUX_SIGTTIN		21
283 #define	LINUX_SIGTTOU		22
284 #define	LINUX_SIGURG		23
285 #define	LINUX_SIGXCPU		24
286 #define	LINUX_SIGXFSZ		25
287 #define	LINUX_SIGVTALRM		26
288 #define	LINUX_SIGPROF		27
289 #define	LINUX_SIGWINCH		28
290 #define	LINUX_SIGIO		29
291 #define	LINUX_SIGPOLL		LINUX_SIGIO
292 #define	LINUX_SIGPWR		30
293 #define	LINUX_SIGSYS		31
294 #define	LINUX_SIGRTMIN		32
295 
296 #define	LINUX_SIGTBLSZ		31
297 #define	LINUX_NSIG_WORDS	2
298 #define	LINUX_NBPW		32
299 #define	LINUX_NSIG		(LINUX_NBPW * LINUX_NSIG_WORDS)
300 
301 /* sigaction flags */
302 #define	LINUX_SA_NOCLDSTOP	0x00000001
303 #define	LINUX_SA_NOCLDWAIT	0x00000002
304 #define	LINUX_SA_SIGINFO	0x00000004
305 #define	LINUX_SA_RESTORER	0x04000000
306 #define	LINUX_SA_ONSTACK	0x08000000
307 #define	LINUX_SA_RESTART	0x10000000
308 #define	LINUX_SA_INTERRUPT	0x20000000
309 #define	LINUX_SA_NOMASK		0x40000000
310 #define	LINUX_SA_ONESHOT	0x80000000
311 
312 /* sigprocmask actions */
313 #define	LINUX_SIG_BLOCK		0
314 #define	LINUX_SIG_UNBLOCK	1
315 #define	LINUX_SIG_SETMASK	2
316 
317 /* sigset_t macros */
318 #define	LINUX_SIGEMPTYSET(set)		(set).__bits[0] = (set).__bits[1] = 0
319 #define	LINUX_SIGISMEMBER(set, sig)	SIGISMEMBER(set, sig)
320 #define	LINUX_SIGADDSET(set, sig)	SIGADDSET(set, sig)
321 
322 /* sigaltstack */
323 #define	LINUX_MINSIGSTKSZ	2048
324 #define	LINUX_SS_ONSTACK	1
325 #define	LINUX_SS_DISABLE	2
326 
327 int linux_to_bsd_sigaltstack(int lsa);
328 int bsd_to_linux_sigaltstack(int bsa);
329 
330 typedef l_uintptr_t l_handler_t;
331 typedef l_ulong	l_osigset_t;
332 
333 typedef struct {
334 	l_uint	__bits[LINUX_NSIG_WORDS];
335 } __packed l_sigset_t;
336 
337 typedef struct {
338 	l_handler_t	lsa_handler;
339 	l_osigset_t	lsa_mask;
340 	l_ulong		lsa_flags;
341 	l_uintptr_t	lsa_restorer;
342 } __packed l_osigaction_t;
343 
344 typedef struct {
345 	l_handler_t	lsa_handler;
346 	l_ulong		lsa_flags;
347 	l_uintptr_t	lsa_restorer;
348 	l_sigset_t	lsa_mask;
349 } __packed l_sigaction_t;
350 
351 typedef struct {
352 	l_uintptr_t	ss_sp;
353 	l_int		ss_flags;
354 	l_size_t	ss_size;
355 } __packed l_stack_t;
356 
357 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
358 struct l_sigcontext {
359 	l_uint		sc_gs;
360 	l_uint		sc_fs;
361 	l_uint		sc_es;
362 	l_uint		sc_ds;
363 	l_uint		sc_edi;
364 	l_uint		sc_esi;
365 	l_uint		sc_ebp;
366 	l_uint		sc_esp;
367 	l_uint		sc_ebx;
368 	l_uint		sc_edx;
369 	l_uint		sc_ecx;
370 	l_uint		sc_eax;
371 	l_uint		sc_trapno;
372 	l_uint		sc_err;
373 	l_uint		sc_eip;
374 	l_uint		sc_cs;
375 	l_uint		sc_eflags;
376 	l_uint		sc_esp_at_signal;
377 	l_uint		sc_ss;
378 	l_uint		sc_387;
379 	l_uint		sc_mask;
380 	l_uint		sc_cr2;
381 } __packed;
382 
383 struct l_ucontext {
384 	l_ulong		uc_flags;
385 	l_uintptr_t	uc_link;
386 	l_stack_t	uc_stack;
387 	struct l_sigcontext	uc_mcontext;
388 	l_sigset_t	uc_sigmask;
389 } __packed;
390 
391 #define	LINUX_SI_MAX_SIZE	128
392 #define	LINUX_SI_PAD_SIZE	((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
393 
394 typedef union l_sigval {
395 	l_int		sival_int;
396 	l_uintptr_t	sival_ptr;
397 } l_sigval_t;
398 
399 typedef struct l_siginfo {
400 	l_int		lsi_signo;
401 	l_int		lsi_errno;
402 	l_int		lsi_code;
403 	union {
404 		l_int	_pad[LINUX_SI_PAD_SIZE];
405 
406 		struct {
407 			l_pid_t		_pid;
408 			l_uid_t		_uid;
409 		} __packed _kill;
410 
411 		struct {
412 			l_timer_t	_tid;
413 			l_int		_overrun;
414 			char		_pad[sizeof(l_uid_t) - sizeof(l_int)];
415 			l_sigval_t	_sigval;
416 			l_int		_sys_private;
417 		} __packed _timer;
418 
419 		struct {
420 			l_pid_t		_pid;		/* sender's pid */
421 			l_uid_t		_uid;		/* sender's uid */
422 			l_sigval_t	_sigval;
423 		} __packed _rt;
424 
425 		struct {
426 			l_pid_t		_pid;		/* which child */
427 			l_uid_t		_uid;		/* sender's uid */
428 			l_int		_status;	/* exit code */
429 			l_clock_t	_utime;
430 			l_clock_t	_stime;
431 		} __packed _sigchld;
432 
433 		struct {
434 			l_uintptr_t	_addr;	/* Faulting insn/memory ref. */
435 		} __packed _sigfault;
436 
437 		struct {
438 			l_long		_band;	/* POLL_IN,POLL_OUT,POLL_MSG */
439 			l_int		_fd;
440 		} __packed _sigpoll;
441 	} _sifields;
442 } __packed l_siginfo_t;
443 
444 #define	lsi_pid		_sifields._kill._pid
445 #define	lsi_uid		_sifields._kill._uid
446 #define	lsi_tid		_sifields._timer._tid
447 #define	lsi_overrun	_sifields._timer._overrun
448 #define	lsi_sys_private	_sifields._timer._sys_private
449 #define	lsi_status	_sifields._sigchld._status
450 #define	lsi_utime	_sifields._sigchld._utime
451 #define	lsi_stime	_sifields._sigchld._stime
452 #define	lsi_value	_sifields._rt._sigval
453 #define	lsi_int		_sifields._rt._sigval.sival_int
454 #define	lsi_ptr		_sifields._rt._sigval.sival_ptr
455 #define	lsi_addr	_sifields._sigfault._addr
456 #define	lsi_band	_sifields._sigpoll._band
457 #define	lsi_fd		_sifields._sigpoll._fd
458 
459 struct l_fpreg {
460 	u_int16_t	significand[4];
461 	u_int16_t	exponent;
462 } __packed;
463 
464 struct l_fpxreg {
465 	u_int16_t	significand[4];
466 	u_int16_t	exponent;
467 	u_int16_t	padding[3];
468 } __packed;
469 
470 struct l_xmmreg {
471 	u_int32_t	element[4];
472 } __packed;
473 
474 struct l_fpstate {
475 	/* Regular FPU environment */
476 	u_int32_t		cw;
477 	u_int32_t		sw;
478 	u_int32_t		tag;
479 	u_int32_t		ipoff;
480 	u_int32_t		cssel;
481 	u_int32_t		dataoff;
482 	u_int32_t		datasel;
483 	struct l_fpreg		_st[8];
484 	u_int16_t		status;
485 	u_int16_t		magic;		/* 0xffff = regular FPU data */
486 
487 	/* FXSR FPU environment */
488 	u_int32_t		_fxsr_env[6];	/* env is ignored. */
489 	u_int32_t		mxcsr;
490 	u_int32_t		reserved;
491 	struct l_fpxreg		_fxsr_st[8];	/* reg data is ignored. */
492 	struct l_xmmreg		_xmm[8];
493 	u_int32_t		padding[56];
494 } __packed;
495 
496 /*
497  * We make the stack look like Linux expects it when calling a signal
498  * handler, but use the BSD way of calling the handler and sigreturn().
499  * This means that we need to pass the pointer to the handler too.
500  * It is appended to the frame to not interfere with the rest of it.
501  */
502 struct l_sigframe {
503 	l_int			sf_sig;
504 	struct l_sigcontext	sf_sc;
505 	struct l_fpstate	sf_fpstate;
506 	l_uint			sf_extramask[LINUX_NSIG_WORDS-1];
507 	l_handler_t		sf_handler;
508 } __packed;
509 
510 struct l_rt_sigframe {
511 	l_int			sf_sig;
512 	l_uintptr_t 		sf_siginfo;
513 	l_uintptr_t		sf_ucontext;
514 	l_siginfo_t		sf_si;
515 	struct l_ucontext 	sf_sc;
516 	l_handler_t 		sf_handler;
517 } __packed;
518 
519 extern struct sysentvec elf_linux_sysvec;
520 
521 /*
522  * open/fcntl flags
523  */
524 #define	LINUX_O_RDONLY		00000000
525 #define	LINUX_O_WRONLY		00000001
526 #define	LINUX_O_RDWR		00000002
527 #define	LINUX_O_ACCMODE		00000003
528 #define	LINUX_O_CREAT		00000100
529 #define	LINUX_O_EXCL		00000200
530 #define	LINUX_O_NOCTTY		00000400
531 #define	LINUX_O_TRUNC		00001000
532 #define	LINUX_O_APPEND		00002000
533 #define	LINUX_O_NONBLOCK	00004000
534 #define	LINUX_O_NDELAY		LINUX_O_NONBLOCK
535 #define	LINUX_O_SYNC		00010000
536 #define	LINUX_FASYNC		00020000
537 #define	LINUX_O_DIRECT		00040000	/* Direct disk access hint */
538 #define	LINUX_O_LARGEFILE	00100000
539 #define	LINUX_O_DIRECTORY	00200000	/* Must be a directory */
540 #define	LINUX_O_NOFOLLOW	00400000	/* Do not follow links */
541 #define	LINUX_O_NOATIME		01000000
542 #define	LINUX_O_CLOEXEC		02000000
543 
544 #define	LINUX_F_DUPFD		0
545 #define	LINUX_F_GETFD		1
546 #define	LINUX_F_SETFD		2
547 #define	LINUX_F_GETFL		3
548 #define	LINUX_F_SETFL		4
549 #define	LINUX_F_GETLK		5
550 #define	LINUX_F_SETLK		6
551 #define	LINUX_F_SETLKW		7
552 #define	LINUX_F_SETOWN		8
553 #define	LINUX_F_GETOWN		9
554 
555 #define	LINUX_F_GETLK64		12
556 #define	LINUX_F_SETLK64		13
557 #define	LINUX_F_SETLKW64	14
558 
559 #define	LINUX_F_RDLCK		0
560 #define	LINUX_F_WRLCK		1
561 #define	LINUX_F_UNLCK		2
562 
563 union l_semun {
564 	l_int		val;
565 	l_uintptr_t	buf;
566 	l_uintptr_t	array;
567 	l_uintptr_t	__buf;
568 	l_uintptr_t	__pad;
569 } __packed;
570 
571 /*
572  * Socket defines
573  */
574 #define	LINUX_SOL_SOCKET	1
575 #define	LINUX_SOL_IP		0
576 #define	LINUX_SOL_IPX		256
577 #define	LINUX_SOL_AX25		257
578 #define	LINUX_SOL_TCP		6
579 #define	LINUX_SOL_UDP		17
580 
581 #define	LINUX_SO_DEBUG		1
582 #define	LINUX_SO_REUSEADDR	2
583 #define	LINUX_SO_TYPE		3
584 #define	LINUX_SO_ERROR		4
585 #define	LINUX_SO_DONTROUTE	5
586 #define	LINUX_SO_BROADCAST	6
587 #define	LINUX_SO_SNDBUF		7
588 #define	LINUX_SO_RCVBUF		8
589 #define	LINUX_SO_KEEPALIVE	9
590 #define	LINUX_SO_OOBINLINE	10
591 #define	LINUX_SO_NO_CHECK	11
592 #define	LINUX_SO_PRIORITY	12
593 #define	LINUX_SO_LINGER		13
594 #define	LINUX_SO_PEERCRED	17
595 #define	LINUX_SO_RCVLOWAT	18
596 #define	LINUX_SO_SNDLOWAT	19
597 #define	LINUX_SO_RCVTIMEO	20
598 #define	LINUX_SO_SNDTIMEO	21
599 #define	LINUX_SO_TIMESTAMP	29
600 #define	LINUX_SO_ACCEPTCONN	30
601 
602 struct l_sockaddr {
603 	l_ushort	sa_family;
604 	char		sa_data[14];
605 } __packed;
606 
607 struct l_msghdr {
608 	l_uintptr_t	msg_name;
609 	l_int		msg_namelen;
610 	l_uintptr_t	msg_iov;
611 	l_size_t	msg_iovlen;
612 	l_uintptr_t	msg_control;
613 	l_size_t	msg_controllen;
614 	l_uint		msg_flags;
615 };
616 
617 struct l_cmsghdr {
618 	l_size_t	cmsg_len;
619 	l_int		cmsg_level;
620 	l_int		cmsg_type;
621 };
622 
623 struct l_ifmap {
624 	l_ulong		mem_start;
625 	l_ulong		mem_end;
626 	l_ushort	base_addr;
627 	u_char		irq;
628 	u_char		dma;
629 	u_char		port;
630 } __packed;
631 
632 #define	LINUX_IFHWADDRLEN	6
633 #define	LINUX_IFNAMSIZ		16
634 
635 struct l_ifreq {
636 	union {
637 		char	ifrn_name[LINUX_IFNAMSIZ];
638 	} ifr_ifrn;
639 
640 	union {
641 		struct l_sockaddr	ifru_addr;
642 		struct l_sockaddr	ifru_dstaddr;
643 		struct l_sockaddr	ifru_broadaddr;
644 		struct l_sockaddr	ifru_netmask;
645 		struct l_sockaddr	ifru_hwaddr;
646 		l_short		ifru_flags[1];
647 		l_int		ifru_metric;
648 		l_int		ifru_mtu;
649 		struct l_ifmap	ifru_map;
650 		char		ifru_slave[LINUX_IFNAMSIZ];
651 		l_uintptr_t	ifru_data;
652 	} ifr_ifru;
653 } __packed;
654 
655 #define	ifr_name	ifr_ifrn.ifrn_name	/* Interface name */
656 #define	ifr_hwaddr	ifr_ifru.ifru_hwaddr	/* MAC address */
657 
658 struct l_ifconf {
659 	int	ifc_len;
660 	union {
661 		l_uintptr_t	ifcu_buf;
662 		l_uintptr_t	ifcu_req;
663 	} ifc_ifcu;
664 } __packed;
665 
666 #define	ifc_buf		ifc_ifcu.ifcu_buf
667 #define	ifc_req		ifc_ifcu.ifcu_req
668 
669 /*
670  * poll()
671  */
672 #define	LINUX_POLLIN		0x0001
673 #define	LINUX_POLLPRI		0x0002
674 #define	LINUX_POLLOUT		0x0004
675 #define	LINUX_POLLERR		0x0008
676 #define	LINUX_POLLHUP		0x0010
677 #define	LINUX_POLLNVAL		0x0020
678 #define	LINUX_POLLRDNORM	0x0040
679 #define	LINUX_POLLRDBAND	0x0080
680 #define	LINUX_POLLWRNORM	0x0100
681 #define	LINUX_POLLWRBAND	0x0200
682 #define	LINUX_POLLMSG		0x0400
683 
684 struct l_pollfd {
685 	l_int		fd;
686 	l_short		events;
687 	l_short		revents;
688 } __packed;
689 
690 struct l_user_desc {
691 	l_uint		entry_number;
692 	l_uint		base_addr;
693 	l_uint		limit;
694 	l_uint		seg_32bit:1;
695 	l_uint		contents:2;
696 	l_uint		read_exec_only:1;
697 	l_uint		limit_in_pages:1;
698 	l_uint		seg_not_present:1;
699 	l_uint		useable:1;
700 };
701 
702 #define	LINUX_LOWERWORD	0x0000ffff
703 
704 /*
705  * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
706  * These convert Linux user space descriptor to machine one.
707  */
708 #define	LINUX_LDT_entry_a(info)					\
709 	((((info)->base_addr & LINUX_LOWERWORD) << 16) |	\
710 	((info)->limit & LINUX_LOWERWORD))
711 
712 #define	LINUX_ENTRY_B_READ_EXEC_ONLY	9
713 #define	LINUX_ENTRY_B_CONTENTS		10
714 #define	LINUX_ENTRY_B_SEG_NOT_PRESENT	15
715 #define	LINUX_ENTRY_B_BASE_ADDR		16
716 #define	LINUX_ENTRY_B_USEABLE		20
717 #define	LINUX_ENTRY_B_SEG32BIT		22
718 #define	LINUX_ENTRY_B_LIMIT		23
719 
720 #define	LINUX_LDT_entry_b(info)							\
721 	(((info)->base_addr & 0xff000000) |					\
722 	((info)->limit & 0xf0000) |						\
723 	((info)->contents << LINUX_ENTRY_B_CONTENTS) |				\
724 	(((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) |	\
725 	(((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) |		\
726 	(((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) |	\
727 	((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) |				\
728 	((info)->useable << LINUX_ENTRY_B_USEABLE) |				\
729 	((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
730 
731 #define	LINUX_LDT_empty(info)		\
732 	((info)->base_addr == 0 &&	\
733 	(info)->limit == 0 &&		\
734 	(info)->contents == 0 &&	\
735 	(info)->seg_not_present == 1 &&	\
736 	(info)->read_exec_only == 1 &&	\
737 	(info)->seg_32bit == 0 &&	\
738 	(info)->limit_in_pages == 0 &&	\
739 	(info)->useable == 0)
740 
741 /*
742  * Macros for converting segments.
743  * They do the same as those in arch/i386/kernel/process.c in Linux.
744  */
745 #define	LINUX_GET_BASE(desc)				\
746 	((((desc)->a >> 16) & LINUX_LOWERWORD) |	\
747 	(((desc)->b << 16) & 0x00ff0000) |		\
748 	((desc)->b & 0xff000000))
749 
750 #define	LINUX_GET_LIMIT(desc)			\
751 	(((desc)->a & LINUX_LOWERWORD) |	\
752 	((desc)->b & 0xf0000))
753 
754 #define	LINUX_GET_32BIT(desc)		\
755 	(((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
756 #define	LINUX_GET_CONTENTS(desc)	\
757 	(((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
758 #define	LINUX_GET_WRITABLE(desc)	\
759 	(((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
760 #define	LINUX_GET_LIMIT_PAGES(desc)	\
761 	(((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
762 #define	LINUX_GET_PRESENT(desc)		\
763 	(((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
764 #define	LINUX_GET_USEABLE(desc)		\
765 	(((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
766 
767 struct iovec;
768 
769 struct l_iovec32 {
770 	uint32_t	iov_base;
771 	l_size_t	iov_len;
772 };
773 
774 int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt,
775 			    struct iovec **iovp, int error);
776 
777 /* robust futexes */
778 struct linux_robust_list {
779 	l_uintptr_t			next;
780 };
781 
782 struct linux_robust_list_head {
783 	struct linux_robust_list	list;
784 	l_long				futex_offset;
785 	l_uintptr_t			pending_list;
786 };
787 
788 #endif /* !_AMD64_LINUX_H_ */
789