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: releng/10.2/sys/amd64/linux32/linux.h 272020 2014-09-23 07:50:04Z bz $
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 #define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0)
65 #define CP2(src,dst,sfld,dfld) do { (dst).dfld = (src).sfld; } while (0)
66 #define PTRIN_CP(src,dst,fld) \
67 do { (dst).fld = PTRIN((src).fld); } while (0)
68
69 /*
70 * Provide a separate set of types for the Linux types.
71 */
72 typedef int l_int;
73 typedef int32_t l_long;
74 typedef int64_t l_longlong;
75 typedef short l_short;
76 typedef unsigned int l_uint;
77 typedef uint32_t l_ulong;
78 typedef uint64_t l_ulonglong;
79 typedef unsigned short l_ushort;
80
81 typedef l_ulong l_uintptr_t;
82 typedef l_long l_clock_t;
83 typedef l_int l_daddr_t;
84 typedef l_ushort l_dev_t;
85 typedef l_uint l_gid_t;
86 typedef l_ushort l_gid16_t;
87 typedef l_ulong l_ino_t;
88 typedef l_int l_key_t;
89 typedef l_longlong l_loff_t;
90 typedef l_ushort l_mode_t;
91 typedef l_long l_off_t;
92 typedef l_int l_pid_t;
93 typedef l_uint l_size_t;
94 typedef l_long l_suseconds_t;
95 typedef l_long l_time_t;
96 typedef l_uint l_uid_t;
97 typedef l_ushort l_uid16_t;
98 typedef l_int l_timer_t;
99 typedef l_int l_mqd_t;
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 16 /* 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 /* mmap options */
169 #define LINUX_MAP_SHARED 0x0001
170 #define LINUX_MAP_PRIVATE 0x0002
171 #define LINUX_MAP_FIXED 0x0010
172 #define LINUX_MAP_ANON 0x0020
173 #define LINUX_MAP_GROWSDOWN 0x0100
174
175 struct l_mmap_argv {
176 l_uintptr_t addr;
177 l_size_t len;
178 l_int prot;
179 l_int flags;
180 l_int fd;
181 l_ulong pgoff;
182 };
183
184 /*
185 * stat family of syscalls
186 */
187 struct l_timespec {
188 l_time_t tv_sec;
189 l_long tv_nsec;
190 } __packed;
191
192 struct l_newstat {
193 l_ushort st_dev;
194 l_ushort __pad1;
195 l_ulong st_ino;
196 l_ushort st_mode;
197 l_ushort st_nlink;
198 l_ushort st_uid;
199 l_ushort st_gid;
200 l_ushort st_rdev;
201 l_ushort __pad2;
202 l_ulong st_size;
203 l_ulong st_blksize;
204 l_ulong st_blocks;
205 struct l_timespec st_atim;
206 struct l_timespec st_mtim;
207 struct l_timespec st_ctim;
208 l_ulong __unused4;
209 l_ulong __unused5;
210 } __packed;
211
212 struct l_stat {
213 l_ushort st_dev;
214 l_ulong st_ino;
215 l_ushort st_mode;
216 l_ushort st_nlink;
217 l_ushort st_uid;
218 l_ushort st_gid;
219 l_ushort st_rdev;
220 l_long st_size;
221 struct l_timespec st_atim;
222 struct l_timespec st_mtim;
223 struct l_timespec st_ctim;
224 l_long st_blksize;
225 l_long st_blocks;
226 l_ulong st_flags;
227 l_ulong st_gen;
228 };
229
230 struct l_stat64 {
231 l_ushort st_dev;
232 u_char __pad0[10];
233 l_ulong __st_ino;
234 l_uint st_mode;
235 l_uint st_nlink;
236 l_ulong st_uid;
237 l_ulong st_gid;
238 l_ushort st_rdev;
239 u_char __pad3[10];
240 l_longlong st_size;
241 l_ulong st_blksize;
242 l_ulong st_blocks;
243 l_ulong __pad4;
244 struct l_timespec st_atim;
245 struct l_timespec st_mtim;
246 struct l_timespec st_ctim;
247 l_ulonglong st_ino;
248 } __packed;
249
250 struct l_statfs64 {
251 l_int f_type;
252 l_int f_bsize;
253 uint64_t f_blocks;
254 uint64_t f_bfree;
255 uint64_t f_bavail;
256 uint64_t f_files;
257 uint64_t f_ffree;
258 l_fsid_t f_fsid;
259 l_int f_namelen;
260 l_int f_spare[6];
261 } __packed;
262
263 /*
264 * Signalling
265 */
266 #define LINUX_SIGHUP 1
267 #define LINUX_SIGINT 2
268 #define LINUX_SIGQUIT 3
269 #define LINUX_SIGILL 4
270 #define LINUX_SIGTRAP 5
271 #define LINUX_SIGABRT 6
272 #define LINUX_SIGIOT LINUX_SIGABRT
273 #define LINUX_SIGBUS 7
274 #define LINUX_SIGFPE 8
275 #define LINUX_SIGKILL 9
276 #define LINUX_SIGUSR1 10
277 #define LINUX_SIGSEGV 11
278 #define LINUX_SIGUSR2 12
279 #define LINUX_SIGPIPE 13
280 #define LINUX_SIGALRM 14
281 #define LINUX_SIGTERM 15
282 #define LINUX_SIGSTKFLT 16
283 #define LINUX_SIGCHLD 17
284 #define LINUX_SIGCONT 18
285 #define LINUX_SIGSTOP 19
286 #define LINUX_SIGTSTP 20
287 #define LINUX_SIGTTIN 21
288 #define LINUX_SIGTTOU 22
289 #define LINUX_SIGURG 23
290 #define LINUX_SIGXCPU 24
291 #define LINUX_SIGXFSZ 25
292 #define LINUX_SIGVTALRM 26
293 #define LINUX_SIGPROF 27
294 #define LINUX_SIGWINCH 28
295 #define LINUX_SIGIO 29
296 #define LINUX_SIGPOLL LINUX_SIGIO
297 #define LINUX_SIGPWR 30
298 #define LINUX_SIGSYS 31
299 #define LINUX_SIGRTMIN 32
300
301 #define LINUX_SIGTBLSZ 31
302 #define LINUX_NSIG_WORDS 2
303 #define LINUX_NBPW 32
304 #define LINUX_NSIG (LINUX_NBPW * LINUX_NSIG_WORDS)
305
306 /* sigaction flags */
307 #define LINUX_SA_NOCLDSTOP 0x00000001
308 #define LINUX_SA_NOCLDWAIT 0x00000002
309 #define LINUX_SA_SIGINFO 0x00000004
310 #define LINUX_SA_RESTORER 0x04000000
311 #define LINUX_SA_ONSTACK 0x08000000
312 #define LINUX_SA_RESTART 0x10000000
313 #define LINUX_SA_INTERRUPT 0x20000000
314 #define LINUX_SA_NOMASK 0x40000000
315 #define LINUX_SA_ONESHOT 0x80000000
316
317 /* sigprocmask actions */
318 #define LINUX_SIG_BLOCK 0
319 #define LINUX_SIG_UNBLOCK 1
320 #define LINUX_SIG_SETMASK 2
321
322 /* sigset_t macros */
323 #define LINUX_SIGEMPTYSET(set) (set).__bits[0] = (set).__bits[1] = 0
324 #define LINUX_SIGISMEMBER(set, sig) SIGISMEMBER(set, sig)
325 #define LINUX_SIGADDSET(set, sig) SIGADDSET(set, sig)
326
327 /* sigaltstack */
328 #define LINUX_MINSIGSTKSZ 2048
329 #define LINUX_SS_ONSTACK 1
330 #define LINUX_SS_DISABLE 2
331
332 int linux_to_bsd_sigaltstack(int lsa);
333 int bsd_to_linux_sigaltstack(int bsa);
334
335 typedef l_uintptr_t l_handler_t;
336 typedef l_ulong l_osigset_t;
337
338 typedef struct {
339 l_uint __bits[LINUX_NSIG_WORDS];
340 } __packed l_sigset_t;
341
342 typedef struct {
343 l_handler_t lsa_handler;
344 l_osigset_t lsa_mask;
345 l_ulong lsa_flags;
346 l_uintptr_t lsa_restorer;
347 } __packed l_osigaction_t;
348
349 typedef struct {
350 l_handler_t lsa_handler;
351 l_ulong lsa_flags;
352 l_uintptr_t lsa_restorer;
353 l_sigset_t lsa_mask;
354 } __packed l_sigaction_t;
355
356 typedef struct {
357 l_uintptr_t ss_sp;
358 l_int ss_flags;
359 l_size_t ss_size;
360 } __packed l_stack_t;
361
362 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
363 struct l_sigcontext {
364 l_uint sc_gs;
365 l_uint sc_fs;
366 l_uint sc_es;
367 l_uint sc_ds;
368 l_uint sc_edi;
369 l_uint sc_esi;
370 l_uint sc_ebp;
371 l_uint sc_esp;
372 l_uint sc_ebx;
373 l_uint sc_edx;
374 l_uint sc_ecx;
375 l_uint sc_eax;
376 l_uint sc_trapno;
377 l_uint sc_err;
378 l_uint sc_eip;
379 l_uint sc_cs;
380 l_uint sc_eflags;
381 l_uint sc_esp_at_signal;
382 l_uint sc_ss;
383 l_uint sc_387;
384 l_uint sc_mask;
385 l_uint sc_cr2;
386 } __packed;
387
388 struct l_ucontext {
389 l_ulong uc_flags;
390 l_uintptr_t uc_link;
391 l_stack_t uc_stack;
392 struct l_sigcontext uc_mcontext;
393 l_sigset_t uc_sigmask;
394 } __packed;
395
396 #define LINUX_SI_MAX_SIZE 128
397 #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
398
399 typedef union l_sigval {
400 l_int sival_int;
401 l_uintptr_t sival_ptr;
402 } l_sigval_t;
403
404 typedef struct l_siginfo {
405 l_int lsi_signo;
406 l_int lsi_errno;
407 l_int lsi_code;
408 union {
409 l_int _pad[LINUX_SI_PAD_SIZE];
410
411 struct {
412 l_pid_t _pid;
413 l_uid_t _uid;
414 } __packed _kill;
415
416 struct {
417 l_timer_t _tid;
418 l_int _overrun;
419 char _pad[sizeof(l_uid_t) - sizeof(l_int)];
420 l_sigval_t _sigval;
421 l_int _sys_private;
422 } __packed _timer;
423
424 struct {
425 l_pid_t _pid; /* sender's pid */
426 l_uid_t _uid; /* sender's uid */
427 l_sigval_t _sigval;
428 } __packed _rt;
429
430 struct {
431 l_pid_t _pid; /* which child */
432 l_uid_t _uid; /* sender's uid */
433 l_int _status; /* exit code */
434 l_clock_t _utime;
435 l_clock_t _stime;
436 } __packed _sigchld;
437
438 struct {
439 l_uintptr_t _addr; /* Faulting insn/memory ref. */
440 } __packed _sigfault;
441
442 struct {
443 l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */
444 l_int _fd;
445 } __packed _sigpoll;
446 } _sifields;
447 } __packed l_siginfo_t;
448
449 #define lsi_pid _sifields._kill._pid
450 #define lsi_uid _sifields._kill._uid
451 #define lsi_tid _sifields._timer._tid
452 #define lsi_overrun _sifields._timer._overrun
453 #define lsi_sys_private _sifields._timer._sys_private
454 #define lsi_status _sifields._sigchld._status
455 #define lsi_utime _sifields._sigchld._utime
456 #define lsi_stime _sifields._sigchld._stime
457 #define lsi_value _sifields._rt._sigval
458 #define lsi_int _sifields._rt._sigval.sival_int
459 #define lsi_ptr _sifields._rt._sigval.sival_ptr
460 #define lsi_addr _sifields._sigfault._addr
461 #define lsi_band _sifields._sigpoll._band
462 #define lsi_fd _sifields._sigpoll._fd
463
464 struct l_fpreg {
465 u_int16_t significand[4];
466 u_int16_t exponent;
467 } __packed;
468
469 struct l_fpxreg {
470 u_int16_t significand[4];
471 u_int16_t exponent;
472 u_int16_t padding[3];
473 } __packed;
474
475 struct l_xmmreg {
476 u_int32_t element[4];
477 } __packed;
478
479 struct l_fpstate {
480 /* Regular FPU environment */
481 u_int32_t cw;
482 u_int32_t sw;
483 u_int32_t tag;
484 u_int32_t ipoff;
485 u_int32_t cssel;
486 u_int32_t dataoff;
487 u_int32_t datasel;
488 struct l_fpreg _st[8];
489 u_int16_t status;
490 u_int16_t magic; /* 0xffff = regular FPU data */
491
492 /* FXSR FPU environment */
493 u_int32_t _fxsr_env[6]; /* env is ignored. */
494 u_int32_t mxcsr;
495 u_int32_t reserved;
496 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */
497 struct l_xmmreg _xmm[8];
498 u_int32_t padding[56];
499 } __packed;
500
501 /*
502 * We make the stack look like Linux expects it when calling a signal
503 * handler, but use the BSD way of calling the handler and sigreturn().
504 * This means that we need to pass the pointer to the handler too.
505 * It is appended to the frame to not interfere with the rest of it.
506 */
507 struct l_sigframe {
508 l_int sf_sig;
509 struct l_sigcontext sf_sc;
510 struct l_fpstate sf_fpstate;
511 l_uint sf_extramask[LINUX_NSIG_WORDS-1];
512 l_handler_t sf_handler;
513 } __packed;
514
515 struct l_rt_sigframe {
516 l_int sf_sig;
517 l_uintptr_t sf_siginfo;
518 l_uintptr_t sf_ucontext;
519 l_siginfo_t sf_si;
520 struct l_ucontext sf_sc;
521 l_handler_t sf_handler;
522 } __packed;
523
524 extern struct sysentvec elf_linux_sysvec;
525
526 /*
527 * open/fcntl flags
528 */
529 #define LINUX_O_RDONLY 00000000
530 #define LINUX_O_WRONLY 00000001
531 #define LINUX_O_RDWR 00000002
532 #define LINUX_O_ACCMODE 00000003
533 #define LINUX_O_CREAT 00000100
534 #define LINUX_O_EXCL 00000200
535 #define LINUX_O_NOCTTY 00000400
536 #define LINUX_O_TRUNC 00001000
537 #define LINUX_O_APPEND 00002000
538 #define LINUX_O_NONBLOCK 00004000
539 #define LINUX_O_NDELAY LINUX_O_NONBLOCK
540 #define LINUX_O_SYNC 00010000
541 #define LINUX_FASYNC 00020000
542 #define LINUX_O_DIRECT 00040000 /* Direct disk access hint */
543 #define LINUX_O_LARGEFILE 00100000
544 #define LINUX_O_DIRECTORY 00200000 /* Must be a directory */
545 #define LINUX_O_NOFOLLOW 00400000 /* Do not follow links */
546 #define LINUX_O_NOATIME 01000000
547 #define LINUX_O_CLOEXEC 02000000
548
549 #define LINUX_F_DUPFD 0
550 #define LINUX_F_GETFD 1
551 #define LINUX_F_SETFD 2
552 #define LINUX_F_GETFL 3
553 #define LINUX_F_SETFL 4
554 #define LINUX_F_GETLK 5
555 #define LINUX_F_SETLK 6
556 #define LINUX_F_SETLKW 7
557 #define LINUX_F_SETOWN 8
558 #define LINUX_F_GETOWN 9
559
560 #define LINUX_F_GETLK64 12
561 #define LINUX_F_SETLK64 13
562 #define LINUX_F_SETLKW64 14
563
564 #define LINUX_F_RDLCK 0
565 #define LINUX_F_WRLCK 1
566 #define LINUX_F_UNLCK 2
567
568 union l_semun {
569 l_int val;
570 l_uintptr_t buf;
571 l_uintptr_t array;
572 l_uintptr_t __buf;
573 l_uintptr_t __pad;
574 } __packed;
575
576 /*
577 * Socket defines
578 */
579 #define LINUX_SOL_SOCKET 1
580 #define LINUX_SOL_IP 0
581 #define LINUX_SOL_IPX 256
582 #define LINUX_SOL_AX25 257
583 #define LINUX_SOL_TCP 6
584 #define LINUX_SOL_UDP 17
585
586 #define LINUX_SO_DEBUG 1
587 #define LINUX_SO_REUSEADDR 2
588 #define LINUX_SO_TYPE 3
589 #define LINUX_SO_ERROR 4
590 #define LINUX_SO_DONTROUTE 5
591 #define LINUX_SO_BROADCAST 6
592 #define LINUX_SO_SNDBUF 7
593 #define LINUX_SO_RCVBUF 8
594 #define LINUX_SO_KEEPALIVE 9
595 #define LINUX_SO_OOBINLINE 10
596 #define LINUX_SO_NO_CHECK 11
597 #define LINUX_SO_PRIORITY 12
598 #define LINUX_SO_LINGER 13
599 #define LINUX_SO_PEERCRED 17
600 #define LINUX_SO_RCVLOWAT 18
601 #define LINUX_SO_SNDLOWAT 19
602 #define LINUX_SO_RCVTIMEO 20
603 #define LINUX_SO_SNDTIMEO 21
604 #define LINUX_SO_TIMESTAMP 29
605 #define LINUX_SO_ACCEPTCONN 30
606
607 struct l_sockaddr {
608 l_ushort sa_family;
609 char sa_data[14];
610 } __packed;
611
612 struct l_msghdr {
613 l_uintptr_t msg_name;
614 l_int msg_namelen;
615 l_uintptr_t msg_iov;
616 l_size_t msg_iovlen;
617 l_uintptr_t msg_control;
618 l_size_t msg_controllen;
619 l_uint msg_flags;
620 };
621
622 struct l_cmsghdr {
623 l_size_t cmsg_len;
624 l_int cmsg_level;
625 l_int cmsg_type;
626 };
627
628 struct l_ifmap {
629 l_ulong mem_start;
630 l_ulong mem_end;
631 l_ushort base_addr;
632 u_char irq;
633 u_char dma;
634 u_char port;
635 } __packed;
636
637 #define LINUX_IFHWADDRLEN 6
638 #define LINUX_IFNAMSIZ 16
639
640 struct l_ifreq {
641 union {
642 char ifrn_name[LINUX_IFNAMSIZ];
643 } ifr_ifrn;
644
645 union {
646 struct l_sockaddr ifru_addr;
647 struct l_sockaddr ifru_dstaddr;
648 struct l_sockaddr ifru_broadaddr;
649 struct l_sockaddr ifru_netmask;
650 struct l_sockaddr ifru_hwaddr;
651 l_short ifru_flags[1];
652 l_int ifru_metric;
653 l_int ifru_mtu;
654 struct l_ifmap ifru_map;
655 char ifru_slave[LINUX_IFNAMSIZ];
656 l_uintptr_t ifru_data;
657 } ifr_ifru;
658 } __packed;
659
660 #define ifr_name ifr_ifrn.ifrn_name /* Interface name */
661 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
662
663 struct l_ifconf {
664 int ifc_len;
665 union {
666 l_uintptr_t ifcu_buf;
667 l_uintptr_t ifcu_req;
668 } ifc_ifcu;
669 } __packed;
670
671 #define ifc_buf ifc_ifcu.ifcu_buf
672 #define ifc_req ifc_ifcu.ifcu_req
673
674 /*
675 * poll()
676 */
677 #define LINUX_POLLIN 0x0001
678 #define LINUX_POLLPRI 0x0002
679 #define LINUX_POLLOUT 0x0004
680 #define LINUX_POLLERR 0x0008
681 #define LINUX_POLLHUP 0x0010
682 #define LINUX_POLLNVAL 0x0020
683 #define LINUX_POLLRDNORM 0x0040
684 #define LINUX_POLLRDBAND 0x0080
685 #define LINUX_POLLWRNORM 0x0100
686 #define LINUX_POLLWRBAND 0x0200
687 #define LINUX_POLLMSG 0x0400
688
689 struct l_pollfd {
690 l_int fd;
691 l_short events;
692 l_short revents;
693 } __packed;
694
695 struct l_user_desc {
696 l_uint entry_number;
697 l_uint base_addr;
698 l_uint limit;
699 l_uint seg_32bit:1;
700 l_uint contents:2;
701 l_uint read_exec_only:1;
702 l_uint limit_in_pages:1;
703 l_uint seg_not_present:1;
704 l_uint useable:1;
705 };
706
707 #define LINUX_LOWERWORD 0x0000ffff
708
709 /*
710 * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
711 * These convert Linux user space descriptor to machine one.
712 */
713 #define LINUX_LDT_entry_a(info) \
714 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \
715 ((info)->limit & LINUX_LOWERWORD))
716
717 #define LINUX_ENTRY_B_READ_EXEC_ONLY 9
718 #define LINUX_ENTRY_B_CONTENTS 10
719 #define LINUX_ENTRY_B_SEG_NOT_PRESENT 15
720 #define LINUX_ENTRY_B_BASE_ADDR 16
721 #define LINUX_ENTRY_B_USEABLE 20
722 #define LINUX_ENTRY_B_SEG32BIT 22
723 #define LINUX_ENTRY_B_LIMIT 23
724
725 #define LINUX_LDT_entry_b(info) \
726 (((info)->base_addr & 0xff000000) | \
727 ((info)->limit & 0xf0000) | \
728 ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \
729 (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \
730 (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \
731 (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \
732 ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \
733 ((info)->useable << LINUX_ENTRY_B_USEABLE) | \
734 ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
735
736 #define LINUX_LDT_empty(info) \
737 ((info)->base_addr == 0 && \
738 (info)->limit == 0 && \
739 (info)->contents == 0 && \
740 (info)->seg_not_present == 1 && \
741 (info)->read_exec_only == 1 && \
742 (info)->seg_32bit == 0 && \
743 (info)->limit_in_pages == 0 && \
744 (info)->useable == 0)
745
746 /*
747 * Macros for converting segments.
748 * They do the same as those in arch/i386/kernel/process.c in Linux.
749 */
750 #define LINUX_GET_BASE(desc) \
751 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \
752 (((desc)->b << 16) & 0x00ff0000) | \
753 ((desc)->b & 0xff000000))
754
755 #define LINUX_GET_LIMIT(desc) \
756 (((desc)->a & LINUX_LOWERWORD) | \
757 ((desc)->b & 0xf0000))
758
759 #define LINUX_GET_32BIT(desc) \
760 (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
761 #define LINUX_GET_CONTENTS(desc) \
762 (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
763 #define LINUX_GET_WRITABLE(desc) \
764 (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
765 #define LINUX_GET_LIMIT_PAGES(desc) \
766 (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
767 #define LINUX_GET_PRESENT(desc) \
768 (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
769 #define LINUX_GET_USEABLE(desc) \
770 (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
771
772 struct iovec;
773
774 struct l_iovec32 {
775 uint32_t iov_base;
776 l_size_t iov_len;
777 };
778
779 int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt,
780 struct iovec **iovp, int error);
781
782 /* robust futexes */
783 struct linux_robust_list {
784 l_uintptr_t next;
785 };
786
787 struct linux_robust_list_head {
788 struct linux_robust_list list;
789 l_long futex_offset;
790 l_uintptr_t pending_list;
791 };
792
793 #endif /* !_AMD64_LINUX_H_ */
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