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