1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2004 Tim J. Robbins
5 * Copyright (c) 2001 Doug Rabson
6 * Copyright (c) 1994-1996 Søren Schmidt
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer
14 * in this position and unchanged.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 *
32 * $FreeBSD: releng/12.0/sys/amd64/linux32/linux.h 335201 2018-06-15 14:41:51Z emaste $
33 */
34
35 #ifndef _AMD64_LINUX_H_
36 #define _AMD64_LINUX_H_
37
38 #include <compat/linux/linux.h>
39 #include <amd64/linux32/linux32_syscall.h>
40
41 #define LINUX_LEGACY_SYSCALLS
42
43 /*
44 * debugging support
45 */
46 extern u_char linux_debug_map[];
47 #define ldebug(name) isclr(linux_debug_map, LINUX32_SYS_linux_ ## name)
48 #define ARGS(nm, fmt) "linux(%ld/%ld): "#nm"("fmt")\n", \
49 (long)td->td_proc->p_pid, (long)td->td_tid
50 #define LMSG(fmt) "linux(%ld/%ld): "fmt"\n", \
51 (long)td->td_proc->p_pid, (long)td->td_tid
52 #define LINUX_DTRACE linuxulator32
53
54 #define LINUX32_MAXUSER ((1ul << 32) - PAGE_SIZE)
55 #define LINUX32_SHAREDPAGE (LINUX32_MAXUSER - PAGE_SIZE)
56 #define LINUX32_USRSTACK LINUX32_SHAREDPAGE
57
58 /* XXX 16 = sizeof(linux32_ps_strings) */
59 #define LINUX32_PS_STRINGS (LINUX32_USRSTACK - 16)
60 #define LINUX32_MAXDSIZ (512 * 1024 * 1024) /* 512MB */
61 #define LINUX32_MAXSSIZ (64 * 1024 * 1024) /* 64MB */
62 #define LINUX32_MAXVMEM 0 /* Unlimited */
63
64 #define PTRIN(v) (void *)(uintptr_t)(v)
65 #define PTROUT(v) (l_uintptr_t)(uintptr_t)(v)
66
67 #define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0)
68 #define CP2(src,dst,sfld,dfld) do { (dst).dfld = (src).sfld; } while (0)
69 #define PTRIN_CP(src,dst,fld) \
70 do { (dst).fld = PTRIN((src).fld); } while (0)
71
72 /*
73 * Provide a separate set of types for the Linux types.
74 */
75 typedef int l_int;
76 typedef int32_t l_long;
77 typedef int64_t l_longlong;
78 typedef short l_short;
79 typedef unsigned int l_uint;
80 typedef uint32_t l_ulong;
81 typedef uint64_t l_ulonglong;
82 typedef unsigned short l_ushort;
83
84 typedef l_ulong l_uintptr_t;
85 typedef l_long l_clock_t;
86 typedef l_int l_daddr_t;
87 typedef l_ushort l_dev_t;
88 typedef l_uint l_gid_t;
89 typedef l_ushort l_gid16_t;
90 typedef l_ulong l_ino_t;
91 typedef l_int l_key_t;
92 typedef l_longlong l_loff_t;
93 typedef l_ushort l_mode_t;
94 typedef l_long l_off_t;
95 typedef l_int l_pid_t;
96 typedef l_uint l_size_t;
97 typedef l_long l_suseconds_t;
98 typedef l_long l_time_t;
99 typedef l_uint l_uid_t;
100 typedef l_ushort l_uid16_t;
101 typedef l_int l_timer_t;
102 typedef l_int l_mqd_t;
103 typedef l_ulong l_fd_mask;
104
105 typedef struct {
106 l_int val[2];
107 } __packed l_fsid_t;
108
109 typedef struct {
110 l_time_t tv_sec;
111 l_suseconds_t tv_usec;
112 } l_timeval;
113
114 #define l_fd_set fd_set
115
116 /*
117 * Miscellaneous
118 */
119 #define LINUX_AT_COUNT 20 /* Count of used aux entry types.
120 * Keep this synchronized with
121 * linux_fixup_elf() code.
122 */
123 struct l___sysctl_args
124 {
125 l_uintptr_t name;
126 l_int nlen;
127 l_uintptr_t oldval;
128 l_uintptr_t oldlenp;
129 l_uintptr_t newval;
130 l_size_t newlen;
131 l_ulong __spare[4];
132 } __packed;
133
134 /* Resource limits */
135 #define LINUX_RLIMIT_CPU 0
136 #define LINUX_RLIMIT_FSIZE 1
137 #define LINUX_RLIMIT_DATA 2
138 #define LINUX_RLIMIT_STACK 3
139 #define LINUX_RLIMIT_CORE 4
140 #define LINUX_RLIMIT_RSS 5
141 #define LINUX_RLIMIT_NPROC 6
142 #define LINUX_RLIMIT_NOFILE 7
143 #define LINUX_RLIMIT_MEMLOCK 8
144 #define LINUX_RLIMIT_AS 9 /* Address space limit */
145
146 #define LINUX_RLIM_NLIMITS 10
147
148 struct l_rlimit {
149 l_ulong rlim_cur;
150 l_ulong rlim_max;
151 } __packed;
152
153 struct l_rusage {
154 l_timeval ru_utime;
155 l_timeval ru_stime;
156 l_long ru_maxrss;
157 l_long ru_ixrss;
158 l_long ru_idrss;
159 l_long ru_isrss;
160 l_long ru_minflt;
161 l_long ru_majflt;
162 l_long ru_nswap;
163 l_long ru_inblock;
164 l_long ru_oublock;
165 l_long ru_msgsnd;
166 l_long ru_msgrcv;
167 l_long ru_nsignals;
168 l_long ru_nvcsw;
169 l_long ru_nivcsw;
170 } __packed;
171
172 struct l_mmap_argv {
173 l_uintptr_t addr;
174 l_size_t len;
175 l_int prot;
176 l_int flags;
177 l_int fd;
178 l_ulong pgoff;
179 };
180
181 /*
182 * stat family of syscalls
183 */
184 struct l_timespec {
185 l_time_t tv_sec;
186 l_long tv_nsec;
187 } __packed;
188
189 struct l_newstat {
190 l_ushort st_dev;
191 l_ushort __pad1;
192 l_ulong st_ino;
193 l_ushort st_mode;
194 l_ushort st_nlink;
195 l_ushort st_uid;
196 l_ushort st_gid;
197 l_ushort st_rdev;
198 l_ushort __pad2;
199 l_ulong st_size;
200 l_ulong st_blksize;
201 l_ulong st_blocks;
202 struct l_timespec st_atim;
203 struct l_timespec st_mtim;
204 struct l_timespec st_ctim;
205 l_ulong __unused4;
206 l_ulong __unused5;
207 } __packed;
208
209 struct l_stat {
210 l_ushort st_dev;
211 l_ulong st_ino;
212 l_ushort st_mode;
213 l_ushort st_nlink;
214 l_ushort st_uid;
215 l_ushort st_gid;
216 l_ushort st_rdev;
217 l_long st_size;
218 struct l_timespec st_atim;
219 struct l_timespec st_mtim;
220 struct l_timespec st_ctim;
221 l_long st_blksize;
222 l_long st_blocks;
223 l_ulong st_flags;
224 l_ulong st_gen;
225 };
226
227 struct l_stat64 {
228 l_ushort st_dev;
229 u_char __pad0[10];
230 l_ulong __st_ino;
231 l_uint st_mode;
232 l_uint st_nlink;
233 l_ulong st_uid;
234 l_ulong st_gid;
235 l_ushort st_rdev;
236 u_char __pad3[10];
237 l_longlong st_size;
238 l_ulong st_blksize;
239 l_ulong st_blocks;
240 l_ulong __pad4;
241 struct l_timespec st_atim;
242 struct l_timespec st_mtim;
243 struct l_timespec st_ctim;
244 l_ulonglong st_ino;
245 } __packed;
246
247 struct l_statfs64 {
248 l_int f_type;
249 l_int f_bsize;
250 uint64_t f_blocks;
251 uint64_t f_bfree;
252 uint64_t f_bavail;
253 uint64_t f_files;
254 uint64_t f_ffree;
255 l_fsid_t f_fsid;
256 l_int f_namelen;
257 l_int f_frsize;
258 l_int f_flags;
259 l_int f_spare[4];
260 } __packed;
261
262 /* sigaction flags */
263 #define LINUX_SA_NOCLDSTOP 0x00000001
264 #define LINUX_SA_NOCLDWAIT 0x00000002
265 #define LINUX_SA_SIGINFO 0x00000004
266 #define LINUX_SA_RESTORER 0x04000000
267 #define LINUX_SA_ONSTACK 0x08000000
268 #define LINUX_SA_RESTART 0x10000000
269 #define LINUX_SA_INTERRUPT 0x20000000
270 #define LINUX_SA_NOMASK 0x40000000
271 #define LINUX_SA_ONESHOT 0x80000000
272
273 /* sigprocmask actions */
274 #define LINUX_SIG_BLOCK 0
275 #define LINUX_SIG_UNBLOCK 1
276 #define LINUX_SIG_SETMASK 2
277
278 /* sigaltstack */
279 #define LINUX_MINSIGSTKSZ 2048
280
281 typedef l_uintptr_t l_handler_t;
282 typedef l_ulong l_osigset_t;
283
284 typedef struct {
285 l_handler_t lsa_handler;
286 l_osigset_t lsa_mask;
287 l_ulong lsa_flags;
288 l_uintptr_t lsa_restorer;
289 } __packed l_osigaction_t;
290
291 typedef struct {
292 l_handler_t lsa_handler;
293 l_ulong lsa_flags;
294 l_uintptr_t lsa_restorer;
295 l_sigset_t lsa_mask;
296 } __packed l_sigaction_t;
297
298 typedef struct {
299 l_uintptr_t ss_sp;
300 l_int ss_flags;
301 l_size_t ss_size;
302 } __packed l_stack_t;
303
304 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
305 struct l_sigcontext {
306 l_uint sc_gs;
307 l_uint sc_fs;
308 l_uint sc_es;
309 l_uint sc_ds;
310 l_uint sc_edi;
311 l_uint sc_esi;
312 l_uint sc_ebp;
313 l_uint sc_esp;
314 l_uint sc_ebx;
315 l_uint sc_edx;
316 l_uint sc_ecx;
317 l_uint sc_eax;
318 l_uint sc_trapno;
319 l_uint sc_err;
320 l_uint sc_eip;
321 l_uint sc_cs;
322 l_uint sc_eflags;
323 l_uint sc_esp_at_signal;
324 l_uint sc_ss;
325 l_uint sc_387;
326 l_uint sc_mask;
327 l_uint sc_cr2;
328 } __packed;
329
330 struct l_ucontext {
331 l_ulong uc_flags;
332 l_uintptr_t uc_link;
333 l_stack_t uc_stack;
334 struct l_sigcontext uc_mcontext;
335 l_sigset_t uc_sigmask;
336 } __packed;
337
338 #define LINUX_SI_MAX_SIZE 128
339 #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
340
341 typedef union l_sigval {
342 l_int sival_int;
343 l_uintptr_t sival_ptr;
344 } l_sigval_t;
345
346 typedef struct l_siginfo {
347 l_int lsi_signo;
348 l_int lsi_errno;
349 l_int lsi_code;
350 union {
351 l_int _pad[LINUX_SI_PAD_SIZE];
352
353 struct {
354 l_pid_t _pid;
355 l_uid_t _uid;
356 } __packed _kill;
357
358 struct {
359 l_timer_t _tid;
360 l_int _overrun;
361 char _pad[sizeof(l_uid_t) - sizeof(l_int)];
362 l_sigval_t _sigval;
363 l_int _sys_private;
364 } __packed _timer;
365
366 struct {
367 l_pid_t _pid; /* sender's pid */
368 l_uid_t _uid; /* sender's uid */
369 l_sigval_t _sigval;
370 } __packed _rt;
371
372 struct {
373 l_pid_t _pid; /* which child */
374 l_uid_t _uid; /* sender's uid */
375 l_int _status; /* exit code */
376 l_clock_t _utime;
377 l_clock_t _stime;
378 } __packed _sigchld;
379
380 struct {
381 l_uintptr_t _addr; /* Faulting insn/memory ref. */
382 } __packed _sigfault;
383
384 struct {
385 l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */
386 l_int _fd;
387 } __packed _sigpoll;
388 } _sifields;
389 } __packed l_siginfo_t;
390
391 #define lsi_pid _sifields._kill._pid
392 #define lsi_uid _sifields._kill._uid
393 #define lsi_tid _sifields._timer._tid
394 #define lsi_overrun _sifields._timer._overrun
395 #define lsi_sys_private _sifields._timer._sys_private
396 #define lsi_status _sifields._sigchld._status
397 #define lsi_utime _sifields._sigchld._utime
398 #define lsi_stime _sifields._sigchld._stime
399 #define lsi_value _sifields._rt._sigval
400 #define lsi_int _sifields._rt._sigval.sival_int
401 #define lsi_ptr _sifields._rt._sigval.sival_ptr
402 #define lsi_addr _sifields._sigfault._addr
403 #define lsi_band _sifields._sigpoll._band
404 #define lsi_fd _sifields._sigpoll._fd
405
406 struct l_fpreg {
407 u_int16_t significand[4];
408 u_int16_t exponent;
409 } __packed;
410
411 struct l_fpxreg {
412 u_int16_t significand[4];
413 u_int16_t exponent;
414 u_int16_t padding[3];
415 } __packed;
416
417 struct l_xmmreg {
418 u_int32_t element[4];
419 } __packed;
420
421 struct l_fpstate {
422 /* Regular FPU environment */
423 u_int32_t cw;
424 u_int32_t sw;
425 u_int32_t tag;
426 u_int32_t ipoff;
427 u_int32_t cssel;
428 u_int32_t dataoff;
429 u_int32_t datasel;
430 struct l_fpreg _st[8];
431 u_int16_t status;
432 u_int16_t magic; /* 0xffff = regular FPU data */
433
434 /* FXSR FPU environment */
435 u_int32_t _fxsr_env[6]; /* env is ignored. */
436 u_int32_t mxcsr;
437 u_int32_t reserved;
438 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */
439 struct l_xmmreg _xmm[8];
440 u_int32_t padding[56];
441 } __packed;
442
443 /*
444 * We make the stack look like Linux expects it when calling a signal
445 * handler, but use the BSD way of calling the handler and sigreturn().
446 * This means that we need to pass the pointer to the handler too.
447 * It is appended to the frame to not interfere with the rest of it.
448 */
449 struct l_sigframe {
450 l_int sf_sig;
451 struct l_sigcontext sf_sc;
452 struct l_fpstate sf_fpstate;
453 l_uint sf_extramask[1];
454 l_handler_t sf_handler;
455 } __packed;
456
457 struct l_rt_sigframe {
458 l_int sf_sig;
459 l_uintptr_t sf_siginfo;
460 l_uintptr_t sf_ucontext;
461 l_siginfo_t sf_si;
462 struct l_ucontext sf_sc;
463 l_handler_t sf_handler;
464 } __packed;
465
466 /*
467 * arch specific open/fcntl flags
468 */
469 #define LINUX_F_GETLK64 12
470 #define LINUX_F_SETLK64 13
471 #define LINUX_F_SETLKW64 14
472
473 union l_semun {
474 l_int val;
475 l_uintptr_t buf;
476 l_uintptr_t array;
477 l_uintptr_t __buf;
478 l_uintptr_t __pad;
479 } __packed;
480
481 struct l_sockaddr {
482 l_ushort sa_family;
483 char sa_data[14];
484 } __packed;
485
486 struct l_ifmap {
487 l_ulong mem_start;
488 l_ulong mem_end;
489 l_ushort base_addr;
490 u_char irq;
491 u_char dma;
492 u_char port;
493 } __packed;
494
495 #define LINUX_IFHWADDRLEN 6
496 #define LINUX_IFNAMSIZ 16
497
498 struct l_ifreq {
499 union {
500 char ifrn_name[LINUX_IFNAMSIZ];
501 } ifr_ifrn;
502
503 union {
504 struct l_sockaddr ifru_addr;
505 struct l_sockaddr ifru_dstaddr;
506 struct l_sockaddr ifru_broadaddr;
507 struct l_sockaddr ifru_netmask;
508 struct l_sockaddr ifru_hwaddr;
509 l_short ifru_flags[1];
510 l_int ifru_ivalue;
511 l_int ifru_mtu;
512 struct l_ifmap ifru_map;
513 char ifru_slave[LINUX_IFNAMSIZ];
514 l_uintptr_t ifru_data;
515 } ifr_ifru;
516 } __packed;
517
518 #define ifr_name ifr_ifrn.ifrn_name /* Interface name */
519 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
520 #define ifr_ifindex ifr_ifru.ifru_ivalue /* Interface index */
521
522 struct l_ifconf {
523 int ifc_len;
524 union {
525 l_uintptr_t ifcu_buf;
526 l_uintptr_t ifcu_req;
527 } ifc_ifcu;
528 } __packed;
529
530 #define ifc_buf ifc_ifcu.ifcu_buf
531 #define ifc_req ifc_ifcu.ifcu_req
532
533 /*
534 * poll()
535 */
536 #define LINUX_POLLIN 0x0001
537 #define LINUX_POLLPRI 0x0002
538 #define LINUX_POLLOUT 0x0004
539 #define LINUX_POLLERR 0x0008
540 #define LINUX_POLLHUP 0x0010
541 #define LINUX_POLLNVAL 0x0020
542 #define LINUX_POLLRDNORM 0x0040
543 #define LINUX_POLLRDBAND 0x0080
544 #define LINUX_POLLWRNORM 0x0100
545 #define LINUX_POLLWRBAND 0x0200
546 #define LINUX_POLLMSG 0x0400
547
548 struct l_pollfd {
549 l_int fd;
550 l_short events;
551 l_short revents;
552 } __packed;
553
554 struct l_user_desc {
555 l_uint entry_number;
556 l_uint base_addr;
557 l_uint limit;
558 l_uint seg_32bit:1;
559 l_uint contents:2;
560 l_uint read_exec_only:1;
561 l_uint limit_in_pages:1;
562 l_uint seg_not_present:1;
563 l_uint useable:1;
564 };
565
566 #define LINUX_LOWERWORD 0x0000ffff
567
568 /*
569 * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
570 * These convert Linux user space descriptor to machine one.
571 */
572 #define LINUX_LDT_entry_a(info) \
573 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \
574 ((info)->limit & LINUX_LOWERWORD))
575
576 #define LINUX_ENTRY_B_READ_EXEC_ONLY 9
577 #define LINUX_ENTRY_B_CONTENTS 10
578 #define LINUX_ENTRY_B_SEG_NOT_PRESENT 15
579 #define LINUX_ENTRY_B_BASE_ADDR 16
580 #define LINUX_ENTRY_B_USEABLE 20
581 #define LINUX_ENTRY_B_SEG32BIT 22
582 #define LINUX_ENTRY_B_LIMIT 23
583
584 #define LINUX_LDT_entry_b(info) \
585 (((info)->base_addr & 0xff000000) | \
586 ((info)->limit & 0xf0000) | \
587 ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \
588 (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \
589 (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \
590 (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \
591 ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \
592 ((info)->useable << LINUX_ENTRY_B_USEABLE) | \
593 ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
594
595 #define LINUX_LDT_empty(info) \
596 ((info)->base_addr == 0 && \
597 (info)->limit == 0 && \
598 (info)->contents == 0 && \
599 (info)->seg_not_present == 1 && \
600 (info)->read_exec_only == 1 && \
601 (info)->seg_32bit == 0 && \
602 (info)->limit_in_pages == 0 && \
603 (info)->useable == 0)
604
605 /*
606 * Macros for converting segments.
607 * They do the same as those in arch/i386/kernel/process.c in Linux.
608 */
609 #define LINUX_GET_BASE(desc) \
610 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \
611 (((desc)->b << 16) & 0x00ff0000) | \
612 ((desc)->b & 0xff000000))
613
614 #define LINUX_GET_LIMIT(desc) \
615 (((desc)->a & LINUX_LOWERWORD) | \
616 ((desc)->b & 0xf0000))
617
618 #define LINUX_GET_32BIT(desc) \
619 (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
620 #define LINUX_GET_CONTENTS(desc) \
621 (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
622 #define LINUX_GET_WRITABLE(desc) \
623 (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
624 #define LINUX_GET_LIMIT_PAGES(desc) \
625 (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
626 #define LINUX_GET_PRESENT(desc) \
627 (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
628 #define LINUX_GET_USEABLE(desc) \
629 (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
630
631 struct iovec;
632 struct uio;
633
634 struct l_iovec32 {
635 uint32_t iov_base;
636 l_size_t iov_len;
637 };
638
639 int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt,
640 struct iovec **iovp, int error);
641 int linux32_copyinuio(struct l_iovec32 *iovp, l_ulong iovcnt,
642 struct uio **uiop);
643 int linux_copyout_rusage(struct rusage *ru, void *uaddr);
644
645 /* robust futexes */
646 struct linux_robust_list {
647 l_uintptr_t next;
648 };
649
650 struct linux_robust_list_head {
651 struct linux_robust_list list;
652 l_long futex_offset;
653 l_uintptr_t pending_list;
654 };
655
656 #endif /* !_AMD64_LINUX_H_ */
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