1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2013 Dmitry Chagin 5 * Copyright (c) 1994-1996 Søren Schmidt 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 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 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 #ifndef _AMD64_LINUX_H_ 33 #define _AMD64_LINUX_H_ 34 35 #include <compat/linux/linux.h> 36 #include <amd64/linux/linux_syscall.h> 37 38 #define LINUX_LEGACY_SYSCALLS 39 40 /* 41 * debugging support 42 */ 43 extern u_char linux_debug_map[]; 44 #define ldebug(name) isclr(linux_debug_map, LINUX_SYS_linux_ ## name) 45 #define ARGS(nm, fmt) "linux(%ld/%ld): "#nm"("fmt")\n", \ 46 (long)td->td_proc->p_pid, (long)td->td_tid 47 #define LMSG(fmt) "linux(%ld/%ld): "fmt"\n", \ 48 (long)td->td_proc->p_pid, (long)td->td_tid 49 #define LINUX_DTRACE linuxulator 50 51 #define PTRIN(v) (void *)(v) 52 #define PTROUT(v) (uintptr_t)(v) 53 54 #define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0) 55 #define CP2(src,dst,sfld,dfld) do { (dst).dfld = (src).sfld; } while (0) 56 #define PTRIN_CP(src,dst,fld) \ 57 do { (dst).fld = PTRIN((src).fld); } while (0) 58 59 /* 60 * Provide a separate set of types for the Linux types. 61 */ 62 typedef int32_t l_int; 63 typedef int64_t l_long; 64 typedef int16_t l_short; 65 typedef uint32_t l_uint; 66 typedef uint64_t l_ulong; 67 typedef uint16_t l_ushort; 68 69 typedef l_ulong l_uintptr_t; 70 typedef l_long l_clock_t; 71 typedef l_int l_daddr_t; 72 typedef l_ulong l_dev_t; 73 typedef l_uint l_gid_t; 74 typedef l_ushort l_gid16_t; 75 typedef l_uint l_uid_t; 76 typedef l_ushort l_uid16_t; 77 typedef l_ulong l_ino_t; 78 typedef l_int l_key_t; 79 typedef l_long l_loff_t; 80 typedef l_uint l_mode_t; 81 typedef l_long l_off_t; 82 typedef l_int l_pid_t; 83 typedef l_ulong l_size_t; 84 typedef l_long l_ssize_t; 85 typedef l_long l_suseconds_t; 86 typedef l_long l_time_t; 87 typedef l_int l_timer_t; 88 typedef l_int l_mqd_t; 89 typedef l_size_t l_socklen_t; 90 typedef l_ulong l_fd_mask; 91 92 typedef struct { 93 l_int val[2]; 94 } l_fsid_t; 95 96 typedef struct { 97 l_time_t tv_sec; 98 l_suseconds_t tv_usec; 99 } l_timeval; 100 101 #define l_fd_set fd_set 102 103 /* 104 * Miscellaneous 105 */ 106 #define LINUX_AT_COUNT 19 /* Count of used aux entry types. */ 107 108 struct l___sysctl_args 109 { 110 l_uintptr_t name; 111 l_int nlen; 112 l_uintptr_t oldval; 113 l_uintptr_t oldlenp; 114 l_uintptr_t newval; 115 l_size_t newlen; 116 l_ulong __spare[4]; 117 }; 118 119 /* Resource limits */ 120 #define LINUX_RLIMIT_CPU 0 121 #define LINUX_RLIMIT_FSIZE 1 122 #define LINUX_RLIMIT_DATA 2 123 #define LINUX_RLIMIT_STACK 3 124 #define LINUX_RLIMIT_CORE 4 125 #define LINUX_RLIMIT_RSS 5 126 #define LINUX_RLIMIT_NPROC 6 127 #define LINUX_RLIMIT_NOFILE 7 128 #define LINUX_RLIMIT_MEMLOCK 8 129 #define LINUX_RLIMIT_AS 9 /* Address space limit */ 130 131 #define LINUX_RLIM_NLIMITS 10 132 133 struct l_rlimit { 134 l_ulong rlim_cur; 135 l_ulong rlim_max; 136 }; 137 138 /* 139 * stat family of syscalls 140 */ 141 struct l_timespec { 142 l_time_t tv_sec; 143 l_long tv_nsec; 144 }; 145 146 struct l_newstat { 147 l_dev_t st_dev; 148 l_ino_t st_ino; 149 l_ulong st_nlink; 150 l_uint st_mode; 151 l_uid_t st_uid; 152 l_gid_t st_gid; 153 l_uint __st_pad1; 154 l_dev_t st_rdev; 155 l_off_t st_size; 156 l_long st_blksize; 157 l_long st_blocks; 158 struct l_timespec st_atim; 159 struct l_timespec st_mtim; 160 struct l_timespec st_ctim; 161 l_long __unused1; 162 l_long __unused2; 163 l_long __unused3; 164 }; 165 166 /* sigaction flags */ 167 #define LINUX_SA_NOCLDSTOP 0x00000001 168 #define LINUX_SA_NOCLDWAIT 0x00000002 169 #define LINUX_SA_SIGINFO 0x00000004 170 #define LINUX_SA_RESTORER 0x04000000 171 #define LINUX_SA_ONSTACK 0x08000000 172 #define LINUX_SA_RESTART 0x10000000 173 #define LINUX_SA_INTERRUPT 0x20000000 174 #define LINUX_SA_NOMASK 0x40000000 175 #define LINUX_SA_ONESHOT 0x80000000 176 177 /* sigprocmask actions */ 178 #define LINUX_SIG_BLOCK 0 179 #define LINUX_SIG_UNBLOCK 1 180 #define LINUX_SIG_SETMASK 2 181 182 /* sigaltstack */ 183 #define LINUX_MINSIGSTKSZ 2048 184 185 typedef void (*l_handler_t)(l_int); 186 187 typedef struct { 188 l_handler_t lsa_handler; 189 l_ulong lsa_flags; 190 l_uintptr_t lsa_restorer; 191 l_sigset_t lsa_mask; 192 } l_sigaction_t; 193 194 typedef struct { 195 l_uintptr_t ss_sp; 196 l_int ss_flags; 197 l_size_t ss_size; 198 } l_stack_t; 199 200 struct l_fpstate { 201 u_int16_t cwd; 202 u_int16_t swd; 203 u_int16_t twd; 204 u_int16_t fop; 205 u_int64_t rip; 206 u_int64_t rdp; 207 u_int32_t mxcsr; 208 u_int32_t mxcsr_mask; 209 u_int32_t st_space[32]; 210 u_int32_t xmm_space[64]; 211 u_int32_t reserved2[24]; 212 }; 213 214 struct l_sigcontext { 215 l_ulong sc_r8; 216 l_ulong sc_r9; 217 l_ulong sc_r10; 218 l_ulong sc_r11; 219 l_ulong sc_r12; 220 l_ulong sc_r13; 221 l_ulong sc_r14; 222 l_ulong sc_r15; 223 l_ulong sc_rdi; 224 l_ulong sc_rsi; 225 l_ulong sc_rbp; 226 l_ulong sc_rbx; 227 l_ulong sc_rdx; 228 l_ulong sc_rax; 229 l_ulong sc_rcx; 230 l_ulong sc_rsp; 231 l_ulong sc_rip; 232 l_ulong sc_rflags; 233 l_ushort sc_cs; 234 l_ushort sc_gs; 235 l_ushort sc_fs; 236 l_ushort sc___pad0; 237 l_ulong sc_err; 238 l_ulong sc_trapno; 239 l_sigset_t sc_mask; 240 l_ulong sc_cr2; 241 struct l_fpstate *sc_fpstate; 242 l_ulong sc_reserved1[8]; 243 }; 244 245 struct l_ucontext { 246 l_ulong uc_flags; 247 l_uintptr_t uc_link; 248 l_stack_t uc_stack; 249 struct l_sigcontext uc_mcontext; 250 l_sigset_t uc_sigmask; 251 }; 252 253 #define LINUX_SI_PREAMBLE_SIZE (4 * sizeof(int)) 254 #define LINUX_SI_MAX_SIZE 128 255 #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE - \ 256 LINUX_SI_PREAMBLE_SIZE) / sizeof(l_int)) 257 typedef union l_sigval { 258 l_int sival_int; 259 l_uintptr_t sival_ptr; 260 } l_sigval_t; 261 262 typedef struct l_siginfo { 263 l_int lsi_signo; 264 l_int lsi_errno; 265 l_int lsi_code; 266 union { 267 l_int _pad[LINUX_SI_PAD_SIZE]; 268 269 struct { 270 l_pid_t _pid; 271 l_uid_t _uid; 272 } _kill; 273 274 struct { 275 l_timer_t _tid; 276 l_int _overrun; 277 char _pad[sizeof(l_uid_t) - sizeof(int)]; 278 union l_sigval _sigval; 279 l_uint _sys_private; 280 } _timer; 281 282 struct { 283 l_pid_t _pid; /* sender's pid */ 284 l_uid_t _uid; /* sender's uid */ 285 union l_sigval _sigval; 286 } _rt; 287 288 struct { 289 l_pid_t _pid; /* which child */ 290 l_uid_t _uid; /* sender's uid */ 291 l_int _status; /* exit code */ 292 l_clock_t _utime; 293 l_clock_t _stime; 294 } _sigchld; 295 296 struct { 297 l_uintptr_t _addr; /* Faulting insn/memory ref. */ 298 } _sigfault; 299 300 struct { 301 l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */ 302 l_int _fd; 303 } _sigpoll; 304 } _sifields; 305 } l_siginfo_t; 306 307 #define lsi_pid _sifields._kill._pid 308 #define lsi_uid _sifields._kill._uid 309 #define lsi_tid _sifields._timer._tid 310 #define lsi_overrun _sifields._timer._overrun 311 #define lsi_sys_private _sifields._timer._sys_private 312 #define lsi_status _sifields._sigchld._status 313 #define lsi_utime _sifields._sigchld._utime 314 #define lsi_stime _sifields._sigchld._stime 315 #define lsi_value _sifields._rt._sigval 316 #define lsi_int _sifields._rt._sigval.sival_int 317 #define lsi_ptr _sifields._rt._sigval.sival_ptr 318 #define lsi_addr _sifields._sigfault._addr 319 #define lsi_band _sifields._sigpoll._band 320 #define lsi_fd _sifields._sigpoll._fd 321 322 /* 323 * We make the stack look like Linux expects it when calling a signal 324 * handler, but use the BSD way of calling the handler and sigreturn(). 325 * This means that we need to pass the pointer to the handler too. 326 * It is appended to the frame to not interfere with the rest of it. 327 */ 328 329 struct l_rt_sigframe { 330 struct l_ucontext sf_sc; 331 struct l_siginfo sf_si; 332 l_handler_t sf_handler; 333 }; 334 335 /* 336 * mount flags 337 */ 338 #define LINUX_MS_RDONLY 0x0001 339 #define LINUX_MS_NOSUID 0x0002 340 #define LINUX_MS_NODEV 0x0004 341 #define LINUX_MS_NOEXEC 0x0008 342 #define LINUX_MS_REMOUNT 0x0020 343 344 /* 345 * SystemV IPC defines 346 */ 347 #define LINUX_IPC_RMID 0 348 #define LINUX_IPC_SET 1 349 #define LINUX_IPC_STAT 2 350 #define LINUX_IPC_INFO 3 351 352 #define LINUX_SHM_LOCK 11 353 #define LINUX_SHM_UNLOCK 12 354 #define LINUX_SHM_STAT 13 355 #define LINUX_SHM_INFO 14 356 357 #define LINUX_SHM_RDONLY 0x1000 358 #define LINUX_SHM_RND 0x2000 359 #define LINUX_SHM_REMAP 0x4000 360 361 /* semctl commands */ 362 #define LINUX_GETPID 11 363 #define LINUX_GETVAL 12 364 #define LINUX_GETALL 13 365 #define LINUX_GETNCNT 14 366 #define LINUX_GETZCNT 15 367 #define LINUX_SETVAL 16 368 #define LINUX_SETALL 17 369 #define LINUX_SEM_STAT 18 370 #define LINUX_SEM_INFO 19 371 372 union l_semun { 373 l_int val; 374 l_uintptr_t buf; 375 l_uintptr_t array; 376 l_uintptr_t __buf; 377 l_uintptr_t __pad; 378 }; 379 380 struct l_sockaddr { 381 l_ushort sa_family; 382 char sa_data[14]; 383 }; 384 385 struct l_ifmap { 386 l_ulong mem_start; 387 l_ulong mem_end; 388 l_ushort base_addr; 389 u_char irq; 390 u_char dma; 391 u_char port; 392 } __packed; 393 394 #define LINUX_IFHWADDRLEN 6 395 #define LINUX_IFNAMSIZ 16 396 397 struct l_ifreq { 398 union { 399 char ifrn_name[LINUX_IFNAMSIZ]; 400 } ifr_ifrn; 401 402 union { 403 struct l_sockaddr ifru_addr; 404 struct l_sockaddr ifru_dstaddr; 405 struct l_sockaddr ifru_broadaddr; 406 struct l_sockaddr ifru_netmask; 407 struct l_sockaddr ifru_hwaddr; 408 l_short ifru_flags[1]; 409 l_int ifru_ivalue; 410 l_int ifru_mtu; 411 struct l_ifmap ifru_map; 412 char ifru_slave[LINUX_IFNAMSIZ]; 413 l_uintptr_t ifru_data; 414 } ifr_ifru; 415 } __packed; 416 417 #define ifr_name ifr_ifrn.ifrn_name /* Interface name */ 418 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ 419 #define ifr_ifindex ifr_ifru.ifru_ivalue /* Interface index */ 420 421 struct l_ifconf { 422 int ifc_len; 423 union { 424 l_uintptr_t ifcu_buf; 425 l_uintptr_t ifcu_req; 426 } ifc_ifcu; 427 }; 428 429 #define ifc_buf ifc_ifcu.ifcu_buf 430 #define ifc_req ifc_ifcu.ifcu_req 431 432 /* 433 * poll() 434 */ 435 #define LINUX_POLLIN 0x0001 436 #define LINUX_POLLPRI 0x0002 437 #define LINUX_POLLOUT 0x0004 438 #define LINUX_POLLERR 0x0008 439 #define LINUX_POLLHUP 0x0010 440 #define LINUX_POLLNVAL 0x0020 441 #define LINUX_POLLRDNORM 0x0040 442 #define LINUX_POLLRDBAND 0x0080 443 #define LINUX_POLLWRNORM 0x0100 444 #define LINUX_POLLWRBAND 0x0200 445 #define LINUX_POLLMSG 0x0400 446 447 struct l_pollfd { 448 l_int fd; 449 l_short events; 450 l_short revents; 451 }; 452 453 #define LINUX_ARCH_SET_GS 0x1001 454 #define LINUX_ARCH_SET_FS 0x1002 455 #define LINUX_ARCH_GET_FS 0x1003 456 #define LINUX_ARCH_GET_GS 0x1004 457 458 #define linux_copyout_rusage(r, u) copyout(r, u, sizeof(*r)) 459 460 /* robust futexes */ 461 struct linux_robust_list { 462 l_uintptr_t next; 463 }; 464 465 struct linux_robust_list_head { 466 struct linux_robust_list list; 467 l_long futex_offset; 468 l_uintptr_t pending_list; 469 }; 470 471 #endif /* !_AMD64_LINUX_H_ */ 472