2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 2004 Tim J. Robbins
5 * Copyright (c) 2001 Doug Rabson
6 * Copyright (c) 1994-1996 Søren Schmidt
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
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
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.
35 #ifndef _AMD64_LINUX_H_
36 #define _AMD64_LINUX_H_
38 #include <compat/linux/linux.h>
39 #include <amd64/linux32/linux32_syscall.h>
41 #define LINUX_LEGACY_SYSCALLS
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
54 #define LINUX32_MAXUSER ((1ul << 32) - PAGE_SIZE)
55 #define LINUX32_SHAREDPAGE (LINUX32_MAXUSER - PAGE_SIZE)
56 #define LINUX32_USRSTACK LINUX32_SHAREDPAGE
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 */
64 #define PTRIN(v) (void *)(uintptr_t)(v)
65 #define PTROUT(v) (l_uintptr_t)(uintptr_t)(v)
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)
73 * Provide a separate set of types for the Linux types.
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;
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;
111 l_suseconds_t tv_usec;
114 #define l_fd_set fd_set
119 #define LINUX_AT_COUNT 20 /* Count of used aux entry types.
120 * Keep this synchronized with
121 * linux_fixup_elf() code.
123 struct l___sysctl_args
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 */
146 #define LINUX_RLIM_NLIMITS 10
182 * stat family of syscalls
202 struct l_timespec st_atim;
203 struct l_timespec st_mtim;
204 struct l_timespec st_ctim;
218 struct l_timespec st_atim;
219 struct l_timespec st_mtim;
220 struct l_timespec st_ctim;
241 struct l_timespec st_atim;
242 struct l_timespec st_mtim;
243 struct l_timespec st_ctim;
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
273 /* sigprocmask actions */
274 #define LINUX_SIG_BLOCK 0
275 #define LINUX_SIG_UNBLOCK 1
276 #define LINUX_SIG_SETMASK 2
279 #define LINUX_MINSIGSTKSZ 2048
281 typedef l_uintptr_t l_handler_t;
282 typedef l_ulong l_osigset_t;
285 l_handler_t lsa_handler;
286 l_osigset_t lsa_mask;
288 l_uintptr_t lsa_restorer;
289 } __packed l_osigaction_t;
292 l_handler_t lsa_handler;
294 l_uintptr_t lsa_restorer;
296 } __packed l_sigaction_t;
302 } __packed l_stack_t;
304 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
305 struct l_sigcontext {
323 l_uint sc_esp_at_signal;
334 struct l_sigcontext uc_mcontext;
335 l_sigset_t uc_sigmask;
338 #define LINUX_SI_MAX_SIZE 128
339 #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
341 typedef union l_sigval {
343 l_uintptr_t sival_ptr;
346 typedef struct l_siginfo {
351 l_int _pad[LINUX_SI_PAD_SIZE];
361 char _pad[sizeof(l_uid_t) - sizeof(l_int)];
367 l_pid_t _pid; /* sender's pid */
368 l_uid_t _uid; /* sender's uid */
373 l_pid_t _pid; /* which child */
374 l_uid_t _uid; /* sender's uid */
375 l_int _status; /* exit code */
381 l_uintptr_t _addr; /* Faulting insn/memory ref. */
382 } __packed _sigfault;
385 l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */
389 } __packed l_siginfo_t;
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
407 u_int16_t significand[4];
412 u_int16_t significand[4];
414 u_int16_t padding[3];
418 u_int32_t element[4];
422 /* Regular FPU environment */
430 struct l_fpreg _st[8];
432 u_int16_t magic; /* 0xffff = regular FPU data */
434 /* FXSR FPU environment */
435 u_int32_t _fxsr_env[6]; /* env is ignored. */
438 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */
439 struct l_xmmreg _xmm[8];
440 u_int32_t padding[56];
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.
451 struct l_sigcontext sf_sc;
452 struct l_fpstate sf_fpstate;
453 l_uint sf_extramask[1];
454 l_handler_t sf_handler;
457 struct l_rt_sigframe {
459 l_uintptr_t sf_siginfo;
460 l_uintptr_t sf_ucontext;
462 struct l_ucontext sf_sc;
463 l_handler_t sf_handler;
467 * arch specific open/fcntl flags
469 #define LINUX_F_GETLK64 12
470 #define LINUX_F_SETLK64 13
471 #define LINUX_F_SETLKW64 14
495 #define LINUX_IFHWADDRLEN 6
496 #define LINUX_IFNAMSIZ 16
500 char ifrn_name[LINUX_IFNAMSIZ];
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];
512 struct l_ifmap ifru_map;
513 char ifru_slave[LINUX_IFNAMSIZ];
514 l_uintptr_t ifru_data;
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 */
525 l_uintptr_t ifcu_buf;
526 l_uintptr_t ifcu_req;
530 #define ifc_buf ifc_ifcu.ifcu_buf
531 #define ifc_req ifc_ifcu.ifcu_req
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
560 l_uint read_exec_only:1;
561 l_uint limit_in_pages:1;
562 l_uint seg_not_present:1;
566 #define LINUX_LOWERWORD 0x0000ffff
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.
572 #define LINUX_LDT_entry_a(info) \
573 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \
574 ((info)->limit & LINUX_LOWERWORD))
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
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)
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)
606 * Macros for converting segments.
607 * They do the same as those in arch/i386/kernel/process.c in Linux.
609 #define LINUX_GET_BASE(desc) \
610 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \
611 (((desc)->b << 16) & 0x00ff0000) | \
612 ((desc)->b & 0xff000000))
614 #define LINUX_GET_LIMIT(desc) \
615 (((desc)->a & LINUX_LOWERWORD) | \
616 ((desc)->b & 0xf0000))
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)
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,
643 int linux_copyout_rusage(struct rusage *ru, void *uaddr);
646 struct linux_robust_list {
650 struct linux_robust_list_head {
651 struct linux_robust_list list;
653 l_uintptr_t pending_list;
656 #endif /* !_AMD64_LINUX_H_ */