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 33 #ifndef _AMD64_LINUX_H_ 34 #define _AMD64_LINUX_H_ 35 36 #include <sys/abi_compat.h> 37 38 #include <compat/linux/linux.h> 39 #include <amd64/linux32/linux32_syscall.h> 40 41 #define LINUX_LEGACY_SYSCALLS 42 43 #define LINUX_DTRACE linuxulator32 44 45 #define LINUX32_MAXDSIZ (512 * 1024 * 1024) /* 512MB */ 46 #define LINUX32_MAXSSIZ (64 * 1024 * 1024) /* 64MB */ 47 #define LINUX32_MAXVMEM 0 /* Unlimited */ 48 49 /* 50 * Provide a separate set of types for the Linux types. 51 */ 52 typedef int l_int; 53 typedef int32_t l_long; 54 typedef int64_t l_longlong; 55 typedef short l_short; 56 typedef unsigned int l_uint; 57 typedef uint32_t l_ulong; 58 typedef uint64_t l_ulonglong; 59 typedef unsigned short l_ushort; 60 61 typedef l_ulong l_uintptr_t; 62 typedef l_long l_clock_t; 63 typedef l_int l_daddr_t; 64 typedef l_uint l_gid_t; 65 typedef l_ushort l_gid16_t; 66 typedef l_ulong l_ino_t; 67 typedef l_int l_key_t; 68 typedef l_longlong l_loff_t; 69 typedef l_ushort l_mode_t; 70 typedef l_long l_off_t; 71 typedef l_int l_pid_t; 72 typedef l_uint l_size_t; 73 typedef l_long l_suseconds_t; 74 typedef l_long l_time_t; 75 typedef l_longlong l_time64_t; 76 typedef l_uint l_uid_t; 77 typedef l_ushort l_uid16_t; 78 typedef l_int l_timer_t; 79 typedef l_int l_mqd_t; 80 typedef l_ulong l_fd_mask; 81 82 #include <compat/linux/linux_siginfo.h> 83 84 typedef struct { 85 l_int val[2]; 86 } l_fsid_t; 87 88 typedef struct { 89 l_time_t tv_sec; 90 l_suseconds_t tv_usec; 91 } l_timeval; 92 93 typedef struct { 94 l_time64_t tv_sec; 95 l_time64_t tv_usec; 96 } l_sock_timeval; 97 98 #define l_fd_set fd_set 99 100 /* 101 * Miscellaneous 102 */ 103 #define LINUX_AT_COUNT 22 /* Count of used aux entry types. 104 * Keep this synchronized with 105 * linux_copyout_auxargs() code. 106 */ 107 struct l___sysctl_args 108 { 109 l_uintptr_t name; 110 l_int nlen; 111 l_uintptr_t oldval; 112 l_uintptr_t oldlenp; 113 l_uintptr_t newval; 114 l_size_t newlen; 115 l_ulong __spare[4]; 116 }; 117 118 /* Resource limits */ 119 #define LINUX_RLIMIT_CPU 0 120 #define LINUX_RLIMIT_FSIZE 1 121 #define LINUX_RLIMIT_DATA 2 122 #define LINUX_RLIMIT_STACK 3 123 #define LINUX_RLIMIT_CORE 4 124 #define LINUX_RLIMIT_RSS 5 125 #define LINUX_RLIMIT_NPROC 6 126 #define LINUX_RLIMIT_NOFILE 7 127 #define LINUX_RLIMIT_MEMLOCK 8 128 #define LINUX_RLIMIT_AS 9 /* Address space limit */ 129 130 #define LINUX_RLIM_NLIMITS 10 131 132 struct l_rlimit { 133 l_ulong rlim_cur; 134 l_ulong rlim_max; 135 }; 136 137 struct l_rusage { 138 l_timeval ru_utime; 139 l_timeval ru_stime; 140 l_long ru_maxrss; 141 l_long ru_ixrss; 142 l_long ru_idrss; 143 l_long ru_isrss; 144 l_long ru_minflt; 145 l_long ru_majflt; 146 l_long ru_nswap; 147 l_long ru_inblock; 148 l_long ru_oublock; 149 l_long ru_msgsnd; 150 l_long ru_msgrcv; 151 l_long ru_nsignals; 152 l_long ru_nvcsw; 153 l_long ru_nivcsw; 154 }; 155 156 struct l_mmap_argv { 157 l_uintptr_t addr; 158 l_size_t len; 159 l_int prot; 160 l_int flags; 161 l_int fd; 162 l_ulong pgoff; 163 }; 164 165 /* 166 * stat family of syscalls 167 */ 168 struct l_timespec { 169 l_time_t tv_sec; 170 l_long tv_nsec; 171 }; 172 173 /* __kernel_timespec */ 174 struct l_timespec64 { 175 l_time64_t tv_sec; 176 l_longlong tv_nsec; 177 }; 178 179 struct l_newstat { 180 l_ulong st_dev; 181 l_ulong st_ino; 182 l_ushort st_mode; 183 l_ushort st_nlink; 184 l_ushort st_uid; 185 l_ushort st_gid; 186 l_ulong st_rdev; 187 l_ulong st_size; 188 l_ulong st_blksize; 189 l_ulong st_blocks; 190 struct l_timespec st_atim; 191 struct l_timespec st_mtim; 192 struct l_timespec st_ctim; 193 l_ulong __unused4; 194 l_ulong __unused5; 195 }; 196 197 /* __old_kernel_stat now */ 198 struct l_old_stat { 199 l_ushort st_dev; 200 l_ulong st_ino; 201 l_ushort st_mode; 202 l_ushort st_nlink; 203 l_ushort st_uid; 204 l_ushort st_gid; 205 l_ushort st_rdev; 206 l_long st_size; 207 struct l_timespec st_atim; 208 struct l_timespec st_mtim; 209 struct l_timespec st_ctim; 210 l_long st_blksize; 211 l_long st_blocks; 212 l_ulong st_flags; 213 l_ulong st_gen; 214 }; 215 216 struct l_stat64 { 217 l_ulonglong st_dev; 218 u_char __pad0[4]; 219 l_ulong __st_ino; 220 l_uint st_mode; 221 l_uint st_nlink; 222 l_ulong st_uid; 223 l_ulong st_gid; 224 l_ulonglong st_rdev; 225 u_char __pad3[4]; 226 l_longlong st_size; 227 l_ulong st_blksize; 228 l_ulonglong st_blocks; 229 struct l_timespec st_atim; 230 struct l_timespec st_mtim; 231 struct l_timespec st_ctim; 232 l_ulonglong st_ino; 233 } __packed; 234 235 struct l_statfs64 { 236 l_int f_type; 237 l_int f_bsize; 238 uint64_t f_blocks; 239 uint64_t f_bfree; 240 uint64_t f_bavail; 241 uint64_t f_files; 242 uint64_t f_ffree; 243 l_fsid_t f_fsid; 244 l_int f_namelen; 245 l_int f_frsize; 246 l_int f_flags; 247 l_int f_spare[4]; 248 } __packed; 249 250 /* sigaction flags */ 251 #define LINUX_SA_NOCLDSTOP 0x00000001 252 #define LINUX_SA_NOCLDWAIT 0x00000002 253 #define LINUX_SA_SIGINFO 0x00000004 254 #define LINUX_SA_RESTORER 0x04000000 255 #define LINUX_SA_ONSTACK 0x08000000 256 #define LINUX_SA_RESTART 0x10000000 257 #define LINUX_SA_INTERRUPT 0x20000000 258 #define LINUX_SA_NOMASK 0x40000000 259 #define LINUX_SA_ONESHOT 0x80000000 260 261 /* sigaltstack */ 262 #define LINUX_MINSIGSTKSZ 2048 263 264 typedef l_uintptr_t l_handler_t; 265 typedef l_ulong l_osigset_t; 266 267 typedef struct { 268 l_handler_t lsa_handler; 269 l_osigset_t lsa_mask; 270 l_ulong lsa_flags; 271 l_uintptr_t lsa_restorer; 272 } l_osigaction_t; 273 274 typedef struct { 275 l_handler_t lsa_handler; 276 l_ulong lsa_flags; 277 l_uintptr_t lsa_restorer; 278 l_sigset_t lsa_mask; 279 } __packed l_sigaction_t; 280 281 typedef struct { 282 l_uintptr_t ss_sp; 283 l_int ss_flags; 284 l_size_t ss_size; 285 } l_stack_t; 286 287 /* 288 * arch specific open/fcntl flags 289 */ 290 #define LINUX_F_GETLK64 12 291 #define LINUX_F_SETLK64 13 292 #define LINUX_F_SETLKW64 14 293 294 union l_semun { 295 l_int val; 296 l_uintptr_t buf; 297 l_uintptr_t array; 298 l_uintptr_t __buf; 299 l_uintptr_t __pad; 300 }; 301 302 struct l_ifmap { 303 l_ulong mem_start; 304 l_ulong mem_end; 305 l_ushort base_addr; 306 u_char irq; 307 u_char dma; 308 u_char port; 309 /* 3 bytes spare */ 310 }; 311 312 struct l_ifreq { 313 union { 314 char ifrn_name[LINUX_IFNAMSIZ]; 315 } ifr_ifrn; 316 317 union { 318 struct l_sockaddr ifru_addr; 319 struct l_sockaddr ifru_dstaddr; 320 struct l_sockaddr ifru_broadaddr; 321 struct l_sockaddr ifru_netmask; 322 struct l_sockaddr ifru_hwaddr; 323 l_short ifru_flags[1]; 324 l_int ifru_ivalue; 325 l_int ifru_mtu; 326 struct l_ifmap ifru_map; 327 char ifru_slave[LINUX_IFNAMSIZ]; 328 l_uintptr_t ifru_data; 329 } ifr_ifru; 330 }; 331 332 #define ifr_name ifr_ifrn.ifrn_name /* Interface name */ 333 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ 334 #define ifr_ifindex ifr_ifru.ifru_ivalue /* Interface index */ 335 336 struct l_ifconf { 337 int ifc_len; 338 union { 339 l_uintptr_t ifcu_buf; 340 l_uintptr_t ifcu_req; 341 } ifc_ifcu; 342 }; 343 344 #define ifc_buf ifc_ifcu.ifcu_buf 345 #define ifc_req ifc_ifcu.ifcu_req 346 347 struct l_user_desc { 348 l_uint entry_number; 349 l_uint base_addr; 350 l_uint limit; 351 l_uint seg_32bit:1; 352 l_uint contents:2; 353 l_uint read_exec_only:1; 354 l_uint limit_in_pages:1; 355 l_uint seg_not_present:1; 356 l_uint useable:1; 357 }; 358 359 #define LINUX_LOWERWORD 0x0000ffff 360 361 /* 362 * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h. 363 * These convert Linux user space descriptor to machine one. 364 */ 365 #define LINUX_LDT_entry_a(info) \ 366 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \ 367 ((info)->limit & LINUX_LOWERWORD)) 368 369 #define LINUX_ENTRY_B_READ_EXEC_ONLY 9 370 #define LINUX_ENTRY_B_CONTENTS 10 371 #define LINUX_ENTRY_B_SEG_NOT_PRESENT 15 372 #define LINUX_ENTRY_B_BASE_ADDR 16 373 #define LINUX_ENTRY_B_USEABLE 20 374 #define LINUX_ENTRY_B_SEG32BIT 22 375 #define LINUX_ENTRY_B_LIMIT 23 376 377 #define LINUX_LDT_entry_b(info) \ 378 (((info)->base_addr & 0xff000000) | \ 379 ((info)->limit & 0xf0000) | \ 380 ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \ 381 (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \ 382 (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \ 383 (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \ 384 ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \ 385 ((info)->useable << LINUX_ENTRY_B_USEABLE) | \ 386 ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000) 387 388 #define LINUX_LDT_empty(info) \ 389 ((info)->base_addr == 0 && \ 390 (info)->limit == 0 && \ 391 (info)->contents == 0 && \ 392 (info)->seg_not_present == 1 && \ 393 (info)->read_exec_only == 1 && \ 394 (info)->seg_32bit == 0 && \ 395 (info)->limit_in_pages == 0 && \ 396 (info)->useable == 0) 397 398 /* 399 * Macros for converting segments. 400 * They do the same as those in arch/i386/kernel/process.c in Linux. 401 */ 402 #define LINUX_GET_BASE(desc) \ 403 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \ 404 (((desc)->b << 16) & 0x00ff0000) | \ 405 ((desc)->b & 0xff000000)) 406 407 #define LINUX_GET_LIMIT(desc) \ 408 (((desc)->a & LINUX_LOWERWORD) | \ 409 ((desc)->b & 0xf0000)) 410 411 #define LINUX_GET_32BIT(desc) \ 412 (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1) 413 #define LINUX_GET_CONTENTS(desc) \ 414 (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3) 415 #define LINUX_GET_WRITABLE(desc) \ 416 (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1) 417 #define LINUX_GET_LIMIT_PAGES(desc) \ 418 (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1) 419 #define LINUX_GET_PRESENT(desc) \ 420 (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1) 421 #define LINUX_GET_USEABLE(desc) \ 422 (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1) 423 424 #ifdef _KERNEL 425 struct iovec; 426 struct uio; 427 428 struct l_iovec32 { 429 uint32_t iov_base; 430 l_size_t iov_len; 431 }; 432 433 int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt, 434 struct iovec **iovp, int error); 435 int linux32_copyinuio(struct l_iovec32 *iovp, l_ulong iovcnt, 436 struct uio **uiop); 437 int linux_copyout_rusage(struct rusage *ru, void *uaddr); 438 #endif /* _KERNEL */ 439 440 /* This corresponds to 'struct user_regs_struct32' in Linux. */ 441 struct linux_pt_regset32 { 442 l_uint ebx; 443 l_uint ecx; 444 l_uint edx; 445 l_uint esi; 446 l_uint edi; 447 l_uint ebp; 448 l_uint eax; 449 l_uint ds; 450 l_uint es; 451 l_uint fs; 452 l_uint gs; 453 l_uint orig_eax; 454 l_uint eip; 455 l_uint cs; 456 l_uint eflags; 457 l_uint esp; 458 l_uint ss; 459 }; 460 461 #ifdef _KERNEL 462 struct reg32; 463 464 void bsd_to_linux_regset32(const struct reg32 *b_reg, 465 struct linux_pt_regset32 *l_regset); 466 int linux_ptrace_peekuser(struct thread *td, pid_t pid, 467 void *addr, void *data); 468 int linux_ptrace_pokeuser(struct thread *td, pid_t pid, 469 void *addr, void *data); 470 471 extern bool linux32_emulate_i386; 472 #endif /* _KERNEL */ 473 474 #endif /* !_AMD64_LINUX_H_ */ 475