1 /* 2 * System call related declarations 3 * 4 * Copyright (c) 2013-15 Stacey D. Son (sson at FreeBSD) 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef SYSCALL_DEFS_H 21 #define SYSCALL_DEFS_H 22 23 #include <sys/syscall.h> 24 #include <sys/resource.h> 25 26 #include "errno_defs.h" 27 28 #include "freebsd/syscall_nr.h" 29 #include "netbsd/syscall_nr.h" 30 #include "openbsd/syscall_nr.h" 31 32 /* 33 * machine/_types.h 34 * or x86/_types.h 35 */ 36 37 /* 38 * time_t seems to be very inconsistly defined for the different *BSD's... 39 * 40 * FreeBSD uses a 64bits time_t except on i386 41 * so we have to add a special case here. 42 * 43 * On NetBSD time_t is always defined as an int64_t. On OpenBSD time_t 44 * is always defined as an int. 45 * 46 */ 47 #if (!defined(TARGET_I386)) 48 typedef int64_t target_time_t; 49 #else 50 typedef int32_t target_time_t; 51 #endif 52 53 struct target_iovec { 54 abi_long iov_base; /* Starting address */ 55 abi_long iov_len; /* Number of bytes */ 56 }; 57 58 /* 59 * sys/mman.h 60 */ 61 #define TARGET_FREEBSD_MAP_RESERVED0080 0x0080 /* previously misimplemented */ 62 /* MAP_INHERIT */ 63 #define TARGET_FREEBSD_MAP_RESERVED0100 0x0100 /* previously unimplemented */ 64 /* MAP_NOEXTEND */ 65 #define TARGET_FREEBSD_MAP_STACK 0x0400 /* region grows down, like a */ 66 /* stack */ 67 #define TARGET_FREEBSD_MAP_NOSYNC 0x0800 /* page to but do not sync */ 68 /* underlying file */ 69 70 #define TARGET_FREEBSD_MAP_FLAGMASK 0x1ff7 71 72 #define TARGET_NETBSD_MAP_INHERIT 0x0080 /* region is retained after */ 73 /* exec */ 74 #define TARGET_NETBSD_MAP_TRYFIXED 0x0400 /* attempt hint address, even */ 75 /* within break */ 76 #define TARGET_NETBSD_MAP_WIRED 0x0800 /* mlock() mapping when it is */ 77 /* established */ 78 79 #define TARGET_NETBSD_MAP_STACK 0x2000 /* allocated from memory, */ 80 /* swap space (stack) */ 81 82 #define TARGET_NETBSD_MAP_FLAGMASK 0x3ff7 83 84 #define TARGET_OPENBSD_MAP_INHERIT 0x0080 /* region is retained after */ 85 /* exec */ 86 #define TARGET_OPENBSD_MAP_NOEXTEND 0x0100 /* for MAP_FILE, don't change */ 87 /* file size */ 88 #define TARGET_OPENBSD_MAP_TRYFIXED 0x0400 /* attempt hint address, */ 89 /* even within heap */ 90 91 #define TARGET_OPENBSD_MAP_FLAGMASK 0x17f7 92 93 /* XXX */ 94 #define TARGET_BSD_MAP_FLAGMASK 0x3ff7 95 96 /* 97 * sys/time.h 98 * sys/timex.h 99 */ 100 101 typedef abi_long target_freebsd_suseconds_t; 102 103 /* compare to sys/timespec.h */ 104 struct target_freebsd_timespec { 105 target_time_t tv_sec; /* seconds */ 106 abi_long tv_nsec; /* and nanoseconds */ 107 #if !defined(TARGET_I386) && TARGET_ABI_BITS == 32 108 abi_long _pad; 109 #endif 110 }; 111 112 #define TARGET_CPUCLOCK_WHICH_PID 0 113 #define TARGET_CPUCLOCK_WHICH_TID 1 114 115 /* sys/umtx.h */ 116 struct target_freebsd__umtx_time { 117 struct target_freebsd_timespec _timeout; 118 uint32_t _flags; 119 uint32_t _clockid; 120 }; 121 122 struct target_freebsd_timeval { 123 target_time_t tv_sec; /* seconds */ 124 target_freebsd_suseconds_t tv_usec;/* and microseconds */ 125 #if !defined(TARGET_I386) && TARGET_ABI_BITS == 32 126 abi_long _pad; 127 #endif 128 }; 129 130 /* 131 * sys/resource.h 132 */ 133 #if defined(__FreeBSD__) 134 #define TARGET_RLIM_INFINITY RLIM_INFINITY 135 #else 136 #define TARGET_RLIM_INFINITY ((abi_ulong)-1) 137 #endif 138 139 #define TARGET_RLIMIT_CPU 0 140 #define TARGET_RLIMIT_FSIZE 1 141 #define TARGET_RLIMIT_DATA 2 142 #define TARGET_RLIMIT_STACK 3 143 #define TARGET_RLIMIT_CORE 4 144 #define TARGET_RLIMIT_RSS 5 145 #define TARGET_RLIMIT_MEMLOCK 6 146 #define TARGET_RLIMIT_NPROC 7 147 #define TARGET_RLIMIT_NOFILE 8 148 #define TARGET_RLIMIT_SBSIZE 9 149 #define TARGET_RLIMIT_AS 10 150 #define TARGET_RLIMIT_NPTS 11 151 #define TARGET_RLIMIT_SWAP 12 152 153 struct target_rlimit { 154 uint64_t rlim_cur; 155 uint64_t rlim_max; 156 }; 157 158 struct target_freebsd_rusage { 159 struct target_freebsd_timeval ru_utime; /* user time used */ 160 struct target_freebsd_timeval ru_stime; /* system time used */ 161 abi_long ru_maxrss; /* maximum resident set size */ 162 abi_long ru_ixrss; /* integral shared memory size */ 163 abi_long ru_idrss; /* integral unshared data size */ 164 abi_long ru_isrss; /* integral unshared stack size */ 165 abi_long ru_minflt; /* page reclaims */ 166 abi_long ru_majflt; /* page faults */ 167 abi_long ru_nswap; /* swaps */ 168 abi_long ru_inblock; /* block input operations */ 169 abi_long ru_oublock; /* block output operations */ 170 abi_long ru_msgsnd; /* messages sent */ 171 abi_long ru_msgrcv; /* messages received */ 172 abi_long ru_nsignals; /* signals received */ 173 abi_long ru_nvcsw; /* voluntary context switches */ 174 abi_long ru_nivcsw; /* involuntary context switches */ 175 }; 176 177 struct target_freebsd__wrusage { 178 struct target_freebsd_rusage wru_self; 179 struct target_freebsd_rusage wru_children; 180 }; 181 182 /* 183 * sys/stat.h 184 */ 185 struct target_freebsd11_stat { 186 uint32_t st_dev; /* inode's device */ 187 uint32_t st_ino; /* inode's number */ 188 int16_t st_mode; /* inode protection mode */ 189 int16_t st_nlink; /* number of hard links */ 190 uint32_t st_uid; /* user ID of the file's owner */ 191 uint32_t st_gid; /* group ID of the file's group */ 192 uint32_t st_rdev; /* device type */ 193 struct target_freebsd_timespec st_atim; /* time last accessed */ 194 struct target_freebsd_timespec st_mtim; /* time last data modification */ 195 struct target_freebsd_timespec st_ctim; /* time last file status change */ 196 int64_t st_size; /* file size, in bytes */ 197 int64_t st_blocks; /* blocks allocated for file */ 198 uint32_t st_blksize; /* optimal blocksize for I/O */ 199 uint32_t st_flags; /* user defined flags for file */ 200 uint32_t st_gen; /* file generation number */ 201 int32_t st_lspare; 202 struct target_freebsd_timespec st_birthtim; /* time of file creation */ 203 /* 204 * Explicitly pad st_birthtim to 16 bytes so that the size of 205 * struct stat is backwards compatible. We use bitfields instead 206 * of an array of chars so that this doesn't require a C99 compiler 207 * to compile if the size of the padding is 0. We use 2 bitfields 208 * to cover up to 64 bits on 32-bit machines. We assume that 209 * CHAR_BIT is 8... 210 */ 211 unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec)); 212 unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec)); 213 } __packed; 214 215 #if defined(__i386__) 216 #define TARGET_HAS_STAT_TIME_T_EXT 1 217 #endif 218 219 struct target_stat { 220 uint64_t st_dev; /* inode's device */ 221 uint64_t st_ino; /* inode's number */ 222 uint64_t st_nlink; /* number of hard links */ 223 int16_t st_mode; /* inode protection mode */ 224 int16_t st_padding0; 225 uint32_t st_uid; /* user ID of the file's owner */ 226 uint32_t st_gid; /* group ID of the file's group */ 227 int32_t st_padding1; 228 uint64_t st_rdev; /* device type */ 229 #ifdef TARGET_HAS_STAT_TIME_T_EXT 230 int32_t st_atim_ext; 231 #endif 232 struct target_freebsd_timespec st_atim; /* time of last access */ 233 #ifdef TARGET_HAS_STAT_TIME_T_EXT 234 int32_t st_mtim_ext; 235 #endif 236 struct target_freebsd_timespec st_mtim; /* time of last data modification */ 237 #ifdef TARGET_HAS_STAT_TIME_T_EXT 238 int32_t st_ctim_ext; 239 #endif 240 struct target_freebsd_timespec st_ctim;/* time of last file status change */ 241 #ifdef TARGET_HAS_STAT_TIME_T_EXT 242 int32_t st_btim_ext; 243 #endif 244 struct target_freebsd_timespec st_birthtim; /* time of file creation */ 245 int64_t st_size; /* file size, in bytes */ 246 int64_t st_blocks; /* blocks allocated for file */ 247 uint32_t st_blksize; /* optimal blocksize for I/O */ 248 uint32_t st_flags; /* user defined flags for file */ 249 uint64_t st_gen; /* file generation number */ 250 uint64_t st_spare[10]; 251 }; 252 253 254 /* struct nstat is the same as stat above but without the st_lspare field */ 255 struct target_freebsd11_nstat { 256 uint32_t st_dev; /* inode's device */ 257 uint32_t st_ino; /* inode's number */ 258 int16_t st_mode; /* inode protection mode */ 259 int16_t st_nlink; /* number of hard links */ 260 uint32_t st_uid; /* user ID of the file's owner */ 261 uint32_t st_gid; /* group ID of the file's group */ 262 uint32_t st_rdev; /* device type */ 263 struct target_freebsd_timespec st_atim; /* time last accessed */ 264 struct target_freebsd_timespec st_mtim; /* time last data modification */ 265 struct target_freebsd_timespec st_ctim; /* time last file status change */ 266 int64_t st_size; /* file size, in bytes */ 267 int64_t st_blocks; /* blocks allocated for file */ 268 uint32_t st_blksize; /* optimal blocksize for I/O */ 269 uint32_t st_flags; /* user defined flags for file */ 270 uint32_t st_gen; /* file generation number */ 271 struct target_freebsd_timespec st_birthtim; /* time of file creation */ 272 /* 273 * Explicitly pad st_birthtim to 16 bytes so that the size of 274 * struct stat is backwards compatible. We use bitfields instead 275 * of an array of chars so that this doesn't require a C99 compiler 276 * to compile if the size of the padding is 0. We use 2 bitfields 277 * to cover up to 64 bits on 32-bit machines. We assume that 278 * CHAR_BIT is 8... 279 */ 280 unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec)); 281 unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec)); 282 } __packed; 283 284 /* 285 * sys/mount.h 286 */ 287 288 /* filesystem id type */ 289 typedef struct target_freebsd_fsid { int32_t val[2]; } target_freebsd_fsid_t; 290 291 /* filesystem statistics */ 292 struct target_freebsd11_statfs { 293 uint32_t f_version; /* structure version number */ 294 uint32_t f_type; /* type of filesystem */ 295 uint64_t f_flags; /* copy of mount exported flags */ 296 uint64_t f_bsize; /* filesystem fragment size */ 297 uint64_t f_iosize; /* optimal transfer block size */ 298 uint64_t f_blocks; /* total data blocks in filesystem */ 299 uint64_t f_bfree; /* free blocks in filesystem */ 300 int64_t f_bavail; /* free blocks avail to non-superuser */ 301 uint64_t f_files; /* total file nodes in filesystem */ 302 int64_t f_ffree; /* free nodes avail to non-superuser */ 303 uint64_t f_syncwrites; /* count of sync writes since mount */ 304 uint64_t f_asyncwrites; /* count of async writes since mount */ 305 uint64_t f_syncreads; /* count of sync reads since mount */ 306 uint64_t f_asyncreads; /* count of async reads since mount */ 307 uint64_t f_spare[10]; /* unused spare */ 308 uint32_t f_namemax; /* maximum filename length */ 309 uint32_t f_owner; /* user that mounted the filesystem */ 310 target_freebsd_fsid_t f_fsid; /* filesystem id */ 311 char f_charspare[80]; /* spare string space */ 312 char f_fstypename[16]; /* filesys type name */ 313 char f_mntfromname[88]; /* mount filesystem */ 314 char f_mntonname[88]; /* dir on which mounted*/ 315 }; 316 317 struct target_statfs { 318 uint32_t f_version; /* structure version number */ 319 uint32_t f_type; /* type of filesystem */ 320 uint64_t f_flags; /* copy of mount exported flags */ 321 uint64_t f_bsize; /* filesystem fragment size */ 322 uint64_t f_iosize; /* optimal transfer block size */ 323 uint64_t f_blocks; /* total data blocks in filesystem */ 324 uint64_t f_bfree; /* free blocks in filesystem */ 325 int64_t f_bavail; /* free blocks avail to non-superuser */ 326 uint64_t f_files; /* total file nodes in filesystem */ 327 int64_t f_ffree; /* free nodes avail to non-superuser */ 328 uint64_t f_syncwrites; /* count of sync writes since mount */ 329 uint64_t f_asyncwrites; /* count of async writes since mount */ 330 uint64_t f_syncreads; /* count of sync reads since mount */ 331 uint64_t f_asyncreads; /* count of async reads since mount */ 332 uint64_t f_spare[10]; /* unused spare */ 333 uint32_t f_namemax; /* maximum filename length */ 334 uint32_t f_owner; /* user that mounted the filesystem */ 335 target_freebsd_fsid_t f_fsid; /* filesystem id */ 336 char f_charspare[80]; /* spare string space */ 337 char f_fstypename[16]; /* filesystem type name */ 338 char f_mntfromname[1024]; /* mounted filesystem */ 339 char f_mntonname[1024]; /* directory on which mounted */ 340 }; 341 342 /* File identifier. These are unique per filesystem on a single machine. */ 343 #define TARGET_MAXFIDSZ 16 344 345 struct target_freebsd_fid { 346 uint16_t fid_len; /* len of data in bytes */ 347 uint16_t fid_data0; /* force longword align */ 348 char fid_data[TARGET_MAXFIDSZ]; /* data (variable len) */ 349 }; 350 351 /* Generic file handle */ 352 struct target_freebsd_fhandle { 353 target_freebsd_fsid_t fh_fsid; /* Filesystem id of mount point */ 354 struct target_freebsd_fid fh_fid; /* Filesys specific id */ 355 }; 356 typedef struct target_freebsd_fhandle target_freebsd_fhandle_t; 357 358 /* 359 * sys/fcntl.h 360 */ 361 #define TARGET_F_DUPFD 0 362 #define TARGET_F_GETFD 1 363 #define TARGET_F_SETFD 2 364 #define TARGET_F_GETFL 3 365 #define TARGET_F_SETFL 4 366 #define TARGET_F_GETOWN 5 367 #define TARGET_F_SETOWN 6 368 #define TARGET_F_OGETLK 7 369 #define TARGET_F_OSETLK 8 370 #define TARGET_F_OSETLKW 9 371 #define TARGET_F_DUP2FD 10 372 #define TARGET_F_GETLK 11 373 #define TARGET_F_SETLK 12 374 #define TARGET_F_SETLKW 13 375 #define TARGET_F_SETLK_REMOTE 14 376 #define TARGET_F_READAHEAD 15 377 #define TARGET_F_RDAHEAD 16 378 #define TARGET_F_DUPFD_CLOEXEC 17 379 #define TARGET_F_DUP2FD_CLOEXEC 18 380 /* FreeBSD-specific */ 381 #define TARGET_F_ADD_SEALS 19 382 #define TARGET_F_GET_SEALS 20 383 384 struct target_freebsd_flock { 385 int64_t l_start; 386 int64_t l_len; 387 int32_t l_pid; 388 int16_t l_type; 389 int16_t l_whence; 390 int32_t l_sysid; 391 } QEMU_PACKED; 392 393 #define safe_syscall0(type, name) \ 394 type safe_##name(void) \ 395 { \ 396 return safe_syscall(SYS_##name); \ 397 } 398 399 #define safe_syscall1(type, name, type1, arg1) \ 400 type safe_##name(type1 arg1) \ 401 { \ 402 return safe_syscall(SYS_##name, arg1); \ 403 } 404 405 #define safe_syscall2(type, name, type1, arg1, type2, arg2) \ 406 type safe_##name(type1 arg1, type2 arg2) \ 407 { \ 408 return safe_syscall(SYS_##name, arg1, arg2); \ 409 } 410 411 #define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ 412 type safe_##name(type1 arg1, type2 arg2, type3 arg3) \ 413 { \ 414 return safe_syscall(SYS_##name, arg1, arg2, arg3); \ 415 } 416 417 #define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \ 418 type4, arg4) \ 419 type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ 420 { \ 421 return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4); \ 422 } 423 424 #define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \ 425 type4, arg4, type5, arg5) \ 426 type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ 427 type5 arg5) \ 428 { \ 429 return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4, arg5); \ 430 } 431 432 #define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \ 433 type4, arg4, type5, arg5, type6, arg6) \ 434 type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ 435 type5 arg5, type6 arg6) \ 436 { \ 437 return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ 438 } 439 440 #define safe_fcntl(...) safe_syscall(SYS_fcntl, __VA_ARGS__) 441 442 /* So far all target and host bitmasks are the same */ 443 #undef target_to_host_bitmask 444 #define target_to_host_bitmask(x, tbl) (x) 445 #undef host_to_target_bitmask 446 #define host_to_target_bitmask(x, tbl) (x) 447 448 #endif /* SYSCALL_DEFS_H */ 449