bsd-user/syscall_defs.h

   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/ipc.h
  60  */
  61 struct target_ipc_perm {
  62     uint32_t    cuid;       /* creator user id */
  63     uint32_t    cgid;       /* creator group id */
  64     uint32_t    uid;        /* user id */
  65     uint32_t    gid;        /* group id */
  66     uint16_t    mode;       /* r/w permission */
  67     uint16_t    seq;        /* sequence # */
  68     abi_long    key;        /* user specified msg/sem/shm key */
  69 };
  70
  71 #define TARGET_IPC_RMID 0   /* remove identifier */
  72 #define TARGET_IPC_SET  1   /* set options */
  73 #define TARGET_IPC_STAT 2   /* get options */
  74
  75 /*
  76  * sys/shm.h
  77  */
  78 struct target_shmid_ds {
  79     struct  target_ipc_perm shm_perm; /* peration permission structure */
  80     abi_ulong   shm_segsz;  /* size of segment in bytes */
  81     int32_t     shm_lpid;   /* process ID of last shared memory op */
  82     int32_t     shm_cpid;   /* process ID of creator */
  83     int32_t     shm_nattch; /* number of current attaches */
  84     target_time_t shm_atime;  /* time of last shmat() */
  85     target_time_t shm_dtime;  /* time of last shmdt() */
  86     target_time_t shm_ctime;  /* time of last change by shmctl() */
  87 };
  88
  89 #define N_BSD_SHM_REGIONS   32
  90 struct bsd_shm_regions {
  91     abi_long start;
  92     abi_long size;
  93 };
  94
  95 /*
  96  *  sys/mman.h
  97  */
  98 #define TARGET_MADV_DONTNEED            4       /* dont need these pages */
  99
 100 #define TARGET_FREEBSD_MAP_RESERVED0080 0x0080  /* previously misimplemented */
 101                                                 /* MAP_INHERIT */
 102 #define TARGET_FREEBSD_MAP_RESERVED0100 0x0100  /* previously unimplemented */
 103                                                 /* MAP_NOEXTEND */
 104 #define TARGET_FREEBSD_MAP_STACK        0x0400  /* region grows down, like a */
 105                                                 /* stack */
 106 #define TARGET_FREEBSD_MAP_NOSYNC       0x0800  /* page to but do not sync */
 107                                                 /* underlying file */
 108
 109 #define TARGET_FREEBSD_MAP_FLAGMASK     0x1ff7
 110
 111 #define TARGET_NETBSD_MAP_INHERIT       0x0080  /* region is retained after */
 112                                                 /* exec */
 113 #define TARGET_NETBSD_MAP_TRYFIXED      0x0400  /* attempt hint address, even */
 114                                                 /* within break */
 115 #define TARGET_NETBSD_MAP_WIRED         0x0800  /* mlock() mapping when it is */
 116                                                 /* established */
 117
 118 #define TARGET_NETBSD_MAP_STACK         0x2000  /* allocated from memory, */
 119                                                 /* swap space (stack) */
 120
 121 #define TARGET_NETBSD_MAP_FLAGMASK      0x3ff7
 122
 123 #define TARGET_OPENBSD_MAP_INHERIT      0x0080  /* region is retained after */
 124                                                 /* exec */
 125 #define TARGET_OPENBSD_MAP_NOEXTEND     0x0100  /* for MAP_FILE, don't change */
 126                                                 /* file size */
 127 #define TARGET_OPENBSD_MAP_TRYFIXED     0x0400  /* attempt hint address, */
 128                                                 /* even within heap */
 129
 130 #define TARGET_OPENBSD_MAP_FLAGMASK     0x17f7
 131
 132 /* XXX */
 133 #define TARGET_BSD_MAP_FLAGMASK         0x3ff7
 134
 135 /*
 136  * sys/time.h
 137  * sys/timex.h
 138  */
 139
 140 typedef abi_long target_freebsd_suseconds_t;
 141
 142 /* compare to sys/timespec.h */
 143 struct target_freebsd_timespec {
 144     target_time_t   tv_sec;     /* seconds */
 145     abi_long                tv_nsec;    /* and nanoseconds */
 146 #if !defined(TARGET_I386) && TARGET_ABI_BITS == 32
 147     abi_long _pad;
 148 #endif
 149 };
 150
 151 #define TARGET_CPUCLOCK_WHICH_PID   0
 152 #define TARGET_CPUCLOCK_WHICH_TID   1
 153
 154 /* sys/umtx.h */
 155 struct target_freebsd__umtx_time {
 156     struct target_freebsd_timespec  _timeout;
 157     uint32_t    _flags;
 158     uint32_t    _clockid;
 159 };
 160
 161 struct target_freebsd_timeval {
 162     target_time_t       tv_sec; /* seconds */
 163     target_freebsd_suseconds_t  tv_usec;/* and microseconds */
 164 #if !defined(TARGET_I386) && TARGET_ABI_BITS == 32
 165     abi_long _pad;
 166 #endif
 167 };
 168
 169 /*
 170  *  sys/resource.h
 171  */
 172 #define TARGET_RLIM_INFINITY    RLIM_INFINITY
 173
 174 #define TARGET_RLIMIT_CPU       0
 175 #define TARGET_RLIMIT_FSIZE     1
 176 #define TARGET_RLIMIT_DATA      2
 177 #define TARGET_RLIMIT_STACK     3
 178 #define TARGET_RLIMIT_CORE      4
 179 #define TARGET_RLIMIT_RSS       5
 180 #define TARGET_RLIMIT_MEMLOCK   6
 181 #define TARGET_RLIMIT_NPROC     7
 182 #define TARGET_RLIMIT_NOFILE    8
 183 #define TARGET_RLIMIT_SBSIZE    9
 184 #define TARGET_RLIMIT_AS        10
 185 #define TARGET_RLIMIT_NPTS      11
 186 #define TARGET_RLIMIT_SWAP      12
 187
 188 struct target_rlimit {
 189     uint64_t rlim_cur;
 190     uint64_t rlim_max;
 191 };
 192
 193 struct target_freebsd_rusage {
 194     struct target_freebsd_timeval ru_utime; /* user time used */
 195     struct target_freebsd_timeval ru_stime; /* system time used */
 196     abi_long    ru_maxrss;      /* maximum resident set size */
 197     abi_long    ru_ixrss;       /* integral shared memory size */
 198     abi_long    ru_idrss;       /* integral unshared data size */
 199     abi_long    ru_isrss;       /* integral unshared stack size */
 200     abi_long    ru_minflt;      /* page reclaims */
 201     abi_long    ru_majflt;      /* page faults */
 202     abi_long    ru_nswap;       /* swaps */
 203     abi_long    ru_inblock;     /* block input operations */
 204     abi_long    ru_oublock;     /* block output operations */
 205     abi_long    ru_msgsnd;      /* messages sent */
 206     abi_long    ru_msgrcv;      /* messages received */
 207     abi_long    ru_nsignals;    /* signals received */
 208     abi_long    ru_nvcsw;       /* voluntary context switches */
 209     abi_long    ru_nivcsw;      /* involuntary context switches */
 210 };
 211
 212 struct target_freebsd__wrusage {
 213     struct target_freebsd_rusage wru_self;
 214     struct target_freebsd_rusage wru_children;
 215 };
 216
 217 /*
 218  * sys/stat.h
 219  */
 220 struct target_freebsd11_stat {
 221     uint32_t  st_dev;       /* inode's device */
 222     uint32_t  st_ino;       /* inode's number */
 223     int16_t   st_mode;      /* inode protection mode */
 224     int16_t   st_nlink;     /* number of hard links */
 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     uint32_t  st_rdev;      /* device type */
 228     struct  target_freebsd_timespec st_atim; /* time last accessed */
 229     struct  target_freebsd_timespec st_mtim; /* time last data modification */
 230     struct  target_freebsd_timespec st_ctim; /* time last file status change */
 231     int64_t    st_size;     /* file size, in bytes */
 232     int64_t    st_blocks;   /* blocks allocated for file */
 233     uint32_t   st_blksize;  /* optimal blocksize for I/O */
 234     uint32_t   st_flags;    /* user defined flags for file */
 235     uint32_t   st_gen;      /* file generation number */
 236     int32_t    st_lspare;
 237     struct target_freebsd_timespec st_birthtim; /* time of file creation */
 238     /*
 239      * Explicitly pad st_birthtim to 16 bytes so that the size of
 240      * struct stat is backwards compatible.  We use bitfields instead
 241      * of an array of chars so that this doesn't require a C99 compiler
 242      * to compile if the size of the padding is 0.  We use 2 bitfields
 243      * to cover up to 64 bits on 32-bit machines.  We assume that
 244      * CHAR_BIT is 8...
 245      */
 246     unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec));
 247     unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec));
 248 } __packed;
 249
 250 #if defined(__i386__)
 251 #define TARGET_HAS_STAT_TIME_T_EXT       1
 252 #endif
 253
 254 struct target_stat {
 255     uint64_t  st_dev;               /* inode's device */
 256     uint64_t  st_ino;               /* inode's number */
 257     uint64_t  st_nlink;             /* number of hard links */
 258     int16_t   st_mode;              /* inode protection mode */
 259     int16_t   st_padding0;
 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     int32_t   st_padding1;
 263     uint64_t  st_rdev;              /* device type */
 264 #ifdef TARGET_HAS_STAT_TIME_T_EXT
 265     int32_t   st_atim_ext;
 266 #endif
 267     struct  target_freebsd_timespec st_atim; /* time of last access */
 268 #ifdef TARGET_HAS_STAT_TIME_T_EXT
 269     int32_t   st_mtim_ext;
 270 #endif
 271     struct  target_freebsd_timespec st_mtim; /* time of last data modification */
 272 #ifdef TARGET_HAS_STAT_TIME_T_EXT
 273     int32_t st_ctim_ext;
 274 #endif
 275     struct  target_freebsd_timespec st_ctim;/* time of last file status change */
 276 #ifdef TARGET_HAS_STAT_TIME_T_EXT
 277     int32_t st_btim_ext;
 278 #endif
 279     struct  target_freebsd_timespec st_birthtim;   /* time of file creation */
 280     int64_t   st_size;              /* file size, in bytes */
 281     int64_t   st_blocks;            /* blocks allocated for file */
 282     uint32_t  st_blksize;           /* optimal blocksize for I/O */
 283     uint32_t  st_flags;             /* user defined flags for file */
 284     uint64_t  st_gen;               /* file generation number */
 285     uint64_t  st_spare[10];
 286 };
 287
 288
 289 /* struct nstat is the same as stat above but without the st_lspare field */
 290 struct target_freebsd11_nstat {
 291     uint32_t  st_dev;       /* inode's device */
 292     uint32_t  st_ino;       /* inode's number */
 293     int16_t   st_mode;      /* inode protection mode */
 294     int16_t   st_nlink;     /* number of hard links */
 295     uint32_t  st_uid;       /* user ID of the file's owner */
 296     uint32_t  st_gid;       /* group ID of the file's group */
 297     uint32_t  st_rdev;      /* device type */
 298     struct  target_freebsd_timespec st_atim; /* time last accessed */
 299     struct  target_freebsd_timespec st_mtim; /* time last data modification */
 300     struct  target_freebsd_timespec st_ctim; /* time last file status change */
 301     int64_t    st_size;     /* file size, in bytes */
 302     int64_t    st_blocks;   /* blocks allocated for file */
 303     uint32_t   st_blksize;  /* optimal blocksize for I/O */
 304     uint32_t   st_flags;    /* user defined flags for file */
 305     uint32_t   st_gen;      /* file generation number */
 306     struct target_freebsd_timespec st_birthtim; /* time of file creation */
 307     /*
 308      * Explicitly pad st_birthtim to 16 bytes so that the size of
 309      * struct stat is backwards compatible.  We use bitfields instead
 310      * of an array of chars so that this doesn't require a C99 compiler
 311      * to compile if the size of the padding is 0.  We use 2 bitfields
 312      * to cover up to 64 bits on 32-bit machines.  We assume that
 313      * CHAR_BIT is 8...
 314      */
 315     unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec));
 316     unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec));
 317 } __packed;
 318
 319 /*
 320  * sys/mount.h
 321  */
 322
 323 /* filesystem id type */
 324 typedef struct target_freebsd_fsid { int32_t val[2]; } target_freebsd_fsid_t;
 325
 326 /* filesystem statistics */
 327 struct target_freebsd11_statfs {
 328     uint32_t f_version; /* structure version number */
 329     uint32_t f_type;    /* type of filesystem */
 330     uint64_t f_flags;   /* copy of mount exported flags */
 331     uint64_t f_bsize;   /* filesystem fragment size */
 332     uint64_t f_iosize;  /* optimal transfer block size */
 333     uint64_t f_blocks;  /* total data blocks in filesystem */
 334     uint64_t f_bfree;   /* free blocks in filesystem */
 335     int64_t  f_bavail;  /* free blocks avail to non-superuser */
 336     uint64_t f_files;   /* total file nodes in filesystem */
 337     int64_t  f_ffree;   /* free nodes avail to non-superuser */
 338     uint64_t f_syncwrites;  /* count of sync writes since mount */
 339     uint64_t f_asyncwrites; /* count of async writes since mount */
 340     uint64_t f_syncreads;   /* count of sync reads since mount */
 341     uint64_t f_asyncreads;  /* count of async reads since mount */
 342     uint64_t f_spare[10];   /* unused spare */
 343     uint32_t f_namemax; /* maximum filename length */
 344     uint32_t f_owner;   /* user that mounted the filesystem */
 345     target_freebsd_fsid_t   f_fsid; /* filesystem id */
 346     char     f_charspare[80];           /* spare string space */
 347     char     f_fstypename[16];   /* filesys type name */
 348     char     f_mntfromname[88];    /* mount filesystem */
 349     char     f_mntonname[88];      /* dir on which mounted*/
 350 };
 351
 352 struct target_statfs {
 353     uint32_t f_version;             /* structure version number */
 354     uint32_t f_type;                /* type of filesystem */
 355     uint64_t f_flags;               /* copy of mount exported flags */
 356     uint64_t f_bsize;               /* filesystem fragment size */
 357     uint64_t f_iosize;              /* optimal transfer block size */
 358     uint64_t f_blocks;              /* total data blocks in filesystem */
 359     uint64_t f_bfree;               /* free blocks in filesystem */
 360     int64_t  f_bavail;              /* free blocks avail to non-superuser */
 361     uint64_t f_files;               /* total file nodes in filesystem */
 362     int64_t  f_ffree;               /* free nodes avail to non-superuser */
 363     uint64_t f_syncwrites;          /* count of sync writes since mount */
 364     uint64_t f_asyncwrites;         /* count of async writes since mount */
 365     uint64_t f_syncreads;           /* count of sync reads since mount */
 366     uint64_t f_asyncreads;          /* count of async reads since mount */
 367     uint64_t f_spare[10];           /* unused spare */
 368     uint32_t f_namemax;             /* maximum filename length */
 369     uint32_t f_owner;               /* user that mounted the filesystem */
 370     target_freebsd_fsid_t f_fsid;   /* filesystem id */
 371     char      f_charspare[80];      /* spare string space */
 372     char      f_fstypename[16];     /* filesystem type name */
 373     char      f_mntfromname[1024];  /* mounted filesystem */
 374     char      f_mntonname[1024];    /* directory on which mounted */
 375 };
 376
 377 /* File identifier. These are unique per filesystem on a single machine. */
 378 #define TARGET_MAXFIDSZ     16
 379
 380 struct target_freebsd_fid {
 381     uint16_t    fid_len;            /* len of data in bytes */
 382     uint16_t    fid_data0;          /* force longword align */
 383     char        fid_data[TARGET_MAXFIDSZ];  /* data (variable len) */
 384 };
 385
 386 /* Generic file handle */
 387 struct target_freebsd_fhandle {
 388     target_freebsd_fsid_t   fh_fsid;    /* Filesystem id of mount point */
 389     struct target_freebsd_fid fh_fid;   /* Filesys specific id */
 390 };
 391 typedef struct target_freebsd_fhandle target_freebsd_fhandle_t;
 392
 393 /*
 394  * sys/fcntl.h
 395  */
 396 #define TARGET_F_DUPFD              0
 397 #define TARGET_F_GETFD              1
 398 #define TARGET_F_SETFD              2
 399 #define TARGET_F_GETFL              3
 400 #define TARGET_F_SETFL              4
 401 #define TARGET_F_GETOWN             5
 402 #define TARGET_F_SETOWN             6
 403 #define TARGET_F_OGETLK             7
 404 #define TARGET_F_OSETLK             8
 405 #define TARGET_F_OSETLKW            9
 406 #define TARGET_F_DUP2FD             10
 407 #define TARGET_F_GETLK              11
 408 #define TARGET_F_SETLK              12
 409 #define TARGET_F_SETLKW             13
 410 #define TARGET_F_SETLK_REMOTE       14
 411 #define TARGET_F_READAHEAD          15
 412 #define TARGET_F_RDAHEAD            16
 413 #define TARGET_F_DUPFD_CLOEXEC     17
 414 #define TARGET_F_DUP2FD_CLOEXEC    18
 415 /* FreeBSD-specific */
 416 #define TARGET_F_ADD_SEALS          19
 417 #define TARGET_F_GET_SEALS          20
 418
 419 struct target_freebsd_flock {
 420     int64_t l_start;
 421     int64_t l_len;
 422     int32_t l_pid;
 423     int16_t l_type;
 424     int16_t l_whence;
 425     int32_t l_sysid;
 426 } QEMU_PACKED;
 427
 428 /* sys/unistd.h */
 429 /* user: vfork(2) semantics, clear signals */
 430 #define TARGET_RFSPAWN (1U << 31)
 431
 432 /*
 433  * from sys/procctl.h
 434  */
 435 #define TARGET_PROC_SPROTECT            1
 436 #define TARGET_PROC_REAP_ACQUIRE        2
 437 #define TARGET_PROC_REAP_RELEASE        3
 438 #define TARGET_PROC_REAP_STATUS         4
 439 #define TARGET_PROC_REAP_GETPIDS        5
 440 #define TARGET_PROC_REAP_KILL           6
 441
 442 struct target_procctl_reaper_status {
 443     uint32_t rs_flags;
 444     uint32_t rs_children;
 445     uint32_t rs_descendants;
 446     uint32_t rs_reaper;
 447     uint32_t rs_pid;
 448     uint32_t rs_pad0[15];
 449 };
 450
 451 struct target_procctl_reaper_pidinfo {
 452     uint32_t pi_pid;
 453     uint32_t pi_subtree;
 454     uint32_t pi_flags;
 455     uint32_t pi_pad0[15];
 456 };
 457
 458 struct target_procctl_reaper_pids {
 459     uint32_t rp_count;
 460     uint32_t rp_pad0[15];
 461     abi_ulong rp_pids;
 462 };
 463
 464 struct target_procctl_reaper_kill {
 465     int32_t  rk_sig;
 466     uint32_t rk_flags;
 467     uint32_t rk_subtree;
 468     uint32_t rk_killed;
 469     uint32_t rk_fpid;
 470     uint32_t rk_pad0[15];
 471 };
 472
 473
 474 #define safe_syscall0(type, name) \
 475 type safe_##name(void) \
 476 { \
 477     return safe_syscall(SYS_##name); \
 478 }
 479
 480 #define safe_syscall1(type, name, type1, arg1) \
 481 type safe_##name(type1 arg1) \
 482 { \
 483     return safe_syscall(SYS_##name, arg1); \
 484 }
 485
 486 #define safe_syscall2(type, name, type1, arg1, type2, arg2) \
 487 type safe_##name(type1 arg1, type2 arg2) \
 488 { \
 489     return safe_syscall(SYS_##name, arg1, arg2); \
 490 }
 491
 492 #define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \
 493 type safe_##name(type1 arg1, type2 arg2, type3 arg3) \
 494 { \
 495     return safe_syscall(SYS_##name, arg1, arg2, arg3); \
 496 }
 497
 498 #define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \
 499     type4, arg4) \
 500 type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
 501 { \
 502     return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4); \
 503 }
 504
 505 #define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \
 506     type4, arg4, type5, arg5) \
 507 type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
 508     type5 arg5) \
 509 { \
 510     return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4, arg5); \
 511 }
 512
 513 #define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \
 514     type4, arg4, type5, arg5, type6, arg6) \
 515 type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
 516     type5 arg5, type6 arg6) \
 517 { \
 518     return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
 519 }
 520
 521 #define safe_fcntl(...) safe_syscall(SYS_fcntl, __VA_ARGS__)
 522
 523 /* So far all target and host bitmasks are the same */
 524 #undef  target_to_host_bitmask
 525 #define target_to_host_bitmask(x, tbl) (x)
 526 #undef  host_to_target_bitmask
 527 #define host_to_target_bitmask(x, tbl) (x)
 528
 529 #endif /* SYSCALL_DEFS_H */