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/mman.h
  77  */
  78 #define TARGET_FREEBSD_MAP_RESERVED0080 0x0080  /* previously misimplemented */
  79                                                 /* MAP_INHERIT */
  80 #define TARGET_FREEBSD_MAP_RESERVED0100 0x0100  /* previously unimplemented */
  81                                                 /* MAP_NOEXTEND */
  82 #define TARGET_FREEBSD_MAP_STACK        0x0400  /* region grows down, like a */
  83                                                 /* stack */
  84 #define TARGET_FREEBSD_MAP_NOSYNC       0x0800  /* page to but do not sync */
  85                                                 /* underlying file */
  86
  87 #define TARGET_FREEBSD_MAP_FLAGMASK     0x1ff7
  88
  89 #define TARGET_NETBSD_MAP_INHERIT       0x0080  /* region is retained after */
  90                                                 /* exec */
  91 #define TARGET_NETBSD_MAP_TRYFIXED      0x0400  /* attempt hint address, even */
  92                                                 /* within break */
  93 #define TARGET_NETBSD_MAP_WIRED         0x0800  /* mlock() mapping when it is */
  94                                                 /* established */
  95
  96 #define TARGET_NETBSD_MAP_STACK         0x2000  /* allocated from memory, */
  97                                                 /* swap space (stack) */
  98
  99 #define TARGET_NETBSD_MAP_FLAGMASK      0x3ff7
 100
 101 #define TARGET_OPENBSD_MAP_INHERIT      0x0080  /* region is retained after */
 102                                                 /* exec */
 103 #define TARGET_OPENBSD_MAP_NOEXTEND     0x0100  /* for MAP_FILE, don't change */
 104                                                 /* file size */
 105 #define TARGET_OPENBSD_MAP_TRYFIXED     0x0400  /* attempt hint address, */
 106                                                 /* even within heap */
 107
 108 #define TARGET_OPENBSD_MAP_FLAGMASK     0x17f7
 109
 110 /* XXX */
 111 #define TARGET_BSD_MAP_FLAGMASK         0x3ff7
 112
 113 /*
 114  * sys/time.h
 115  * sys/timex.h
 116  */
 117
 118 typedef abi_long target_freebsd_suseconds_t;
 119
 120 /* compare to sys/timespec.h */
 121 struct target_freebsd_timespec {
 122     target_time_t   tv_sec;     /* seconds */
 123     abi_long                tv_nsec;    /* and nanoseconds */
 124 #if !defined(TARGET_I386) && TARGET_ABI_BITS == 32
 125     abi_long _pad;
 126 #endif
 127 };
 128
 129 #define TARGET_CPUCLOCK_WHICH_PID   0
 130 #define TARGET_CPUCLOCK_WHICH_TID   1
 131
 132 /* sys/umtx.h */
 133 struct target_freebsd__umtx_time {
 134     struct target_freebsd_timespec  _timeout;
 135     uint32_t    _flags;
 136     uint32_t    _clockid;
 137 };
 138
 139 struct target_freebsd_timeval {
 140     target_time_t       tv_sec; /* seconds */
 141     target_freebsd_suseconds_t  tv_usec;/* and microseconds */
 142 #if !defined(TARGET_I386) && TARGET_ABI_BITS == 32
 143     abi_long _pad;
 144 #endif
 145 };
 146
 147 /*
 148  *  sys/resource.h
 149  */
 150 #define TARGET_RLIM_INFINITY    RLIM_INFINITY
 151
 152 #define TARGET_RLIMIT_CPU       0
 153 #define TARGET_RLIMIT_FSIZE     1
 154 #define TARGET_RLIMIT_DATA      2
 155 #define TARGET_RLIMIT_STACK     3
 156 #define TARGET_RLIMIT_CORE      4
 157 #define TARGET_RLIMIT_RSS       5
 158 #define TARGET_RLIMIT_MEMLOCK   6
 159 #define TARGET_RLIMIT_NPROC     7
 160 #define TARGET_RLIMIT_NOFILE    8
 161 #define TARGET_RLIMIT_SBSIZE    9
 162 #define TARGET_RLIMIT_AS        10
 163 #define TARGET_RLIMIT_NPTS      11
 164 #define TARGET_RLIMIT_SWAP      12
 165
 166 struct target_rlimit {
 167     uint64_t rlim_cur;
 168     uint64_t rlim_max;
 169 };
 170
 171 struct target_freebsd_rusage {
 172     struct target_freebsd_timeval ru_utime; /* user time used */
 173     struct target_freebsd_timeval ru_stime; /* system time used */
 174     abi_long    ru_maxrss;      /* maximum resident set size */
 175     abi_long    ru_ixrss;       /* integral shared memory size */
 176     abi_long    ru_idrss;       /* integral unshared data size */
 177     abi_long    ru_isrss;       /* integral unshared stack size */
 178     abi_long    ru_minflt;      /* page reclaims */
 179     abi_long    ru_majflt;      /* page faults */
 180     abi_long    ru_nswap;       /* swaps */
 181     abi_long    ru_inblock;     /* block input operations */
 182     abi_long    ru_oublock;     /* block output operations */
 183     abi_long    ru_msgsnd;      /* messages sent */
 184     abi_long    ru_msgrcv;      /* messages received */
 185     abi_long    ru_nsignals;    /* signals received */
 186     abi_long    ru_nvcsw;       /* voluntary context switches */
 187     abi_long    ru_nivcsw;      /* involuntary context switches */
 188 };
 189
 190 struct target_freebsd__wrusage {
 191     struct target_freebsd_rusage wru_self;
 192     struct target_freebsd_rusage wru_children;
 193 };
 194
 195 /*
 196  * sys/stat.h
 197  */
 198 struct target_freebsd11_stat {
 199     uint32_t  st_dev;       /* inode's device */
 200     uint32_t  st_ino;       /* inode's number */
 201     int16_t   st_mode;      /* inode protection mode */
 202     int16_t   st_nlink;     /* number of hard links */
 203     uint32_t  st_uid;       /* user ID of the file's owner */
 204     uint32_t  st_gid;       /* group ID of the file's group */
 205     uint32_t  st_rdev;      /* device type */
 206     struct  target_freebsd_timespec st_atim; /* time last accessed */
 207     struct  target_freebsd_timespec st_mtim; /* time last data modification */
 208     struct  target_freebsd_timespec st_ctim; /* time last file status change */
 209     int64_t    st_size;     /* file size, in bytes */
 210     int64_t    st_blocks;   /* blocks allocated for file */
 211     uint32_t   st_blksize;  /* optimal blocksize for I/O */
 212     uint32_t   st_flags;    /* user defined flags for file */
 213     uint32_t   st_gen;      /* file generation number */
 214     int32_t    st_lspare;
 215     struct target_freebsd_timespec st_birthtim; /* time of file creation */
 216     /*
 217      * Explicitly pad st_birthtim to 16 bytes so that the size of
 218      * struct stat is backwards compatible.  We use bitfields instead
 219      * of an array of chars so that this doesn't require a C99 compiler
 220      * to compile if the size of the padding is 0.  We use 2 bitfields
 221      * to cover up to 64 bits on 32-bit machines.  We assume that
 222      * CHAR_BIT is 8...
 223      */
 224     unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec));
 225     unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec));
 226 } __packed;
 227
 228 #if defined(__i386__)
 229 #define TARGET_HAS_STAT_TIME_T_EXT       1
 230 #endif
 231
 232 struct target_stat {
 233     uint64_t  st_dev;               /* inode's device */
 234     uint64_t  st_ino;               /* inode's number */
 235     uint64_t  st_nlink;             /* number of hard links */
 236     int16_t   st_mode;              /* inode protection mode */
 237     int16_t   st_padding0;
 238     uint32_t  st_uid;               /* user ID of the file's owner */
 239     uint32_t  st_gid;               /* group ID of the file's group */
 240     int32_t   st_padding1;
 241     uint64_t  st_rdev;              /* device type */
 242 #ifdef TARGET_HAS_STAT_TIME_T_EXT
 243     int32_t   st_atim_ext;
 244 #endif
 245     struct  target_freebsd_timespec st_atim; /* time of last access */
 246 #ifdef TARGET_HAS_STAT_TIME_T_EXT
 247     int32_t   st_mtim_ext;
 248 #endif
 249     struct  target_freebsd_timespec st_mtim; /* time of last data modification */
 250 #ifdef TARGET_HAS_STAT_TIME_T_EXT
 251     int32_t st_ctim_ext;
 252 #endif
 253     struct  target_freebsd_timespec st_ctim;/* time of last file status change */
 254 #ifdef TARGET_HAS_STAT_TIME_T_EXT
 255     int32_t st_btim_ext;
 256 #endif
 257     struct  target_freebsd_timespec st_birthtim;   /* time of file creation */
 258     int64_t   st_size;              /* file size, in bytes */
 259     int64_t   st_blocks;            /* blocks allocated for file */
 260     uint32_t  st_blksize;           /* optimal blocksize for I/O */
 261     uint32_t  st_flags;             /* user defined flags for file */
 262     uint64_t  st_gen;               /* file generation number */
 263     uint64_t  st_spare[10];
 264 };
 265
 266
 267 /* struct nstat is the same as stat above but without the st_lspare field */
 268 struct target_freebsd11_nstat {
 269     uint32_t  st_dev;       /* inode's device */
 270     uint32_t  st_ino;       /* inode's number */
 271     int16_t   st_mode;      /* inode protection mode */
 272     int16_t   st_nlink;     /* number of hard links */
 273     uint32_t  st_uid;       /* user ID of the file's owner */
 274     uint32_t  st_gid;       /* group ID of the file's group */
 275     uint32_t  st_rdev;      /* device type */
 276     struct  target_freebsd_timespec st_atim; /* time last accessed */
 277     struct  target_freebsd_timespec st_mtim; /* time last data modification */
 278     struct  target_freebsd_timespec st_ctim; /* time last file status change */
 279     int64_t    st_size;     /* file size, in bytes */
 280     int64_t    st_blocks;   /* blocks allocated for file */
 281     uint32_t   st_blksize;  /* optimal blocksize for I/O */
 282     uint32_t   st_flags;    /* user defined flags for file */
 283     uint32_t   st_gen;      /* file generation number */
 284     struct target_freebsd_timespec st_birthtim; /* time of file creation */
 285     /*
 286      * Explicitly pad st_birthtim to 16 bytes so that the size of
 287      * struct stat is backwards compatible.  We use bitfields instead
 288      * of an array of chars so that this doesn't require a C99 compiler
 289      * to compile if the size of the padding is 0.  We use 2 bitfields
 290      * to cover up to 64 bits on 32-bit machines.  We assume that
 291      * CHAR_BIT is 8...
 292      */
 293     unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec));
 294     unsigned int:(8 / 2) * (16 - (int)sizeof(struct target_freebsd_timespec));
 295 } __packed;
 296
 297 /*
 298  * sys/mount.h
 299  */
 300
 301 /* filesystem id type */
 302 typedef struct target_freebsd_fsid { int32_t val[2]; } target_freebsd_fsid_t;
 303
 304 /* filesystem statistics */
 305 struct target_freebsd11_statfs {
 306     uint32_t f_version; /* structure version number */
 307     uint32_t f_type;    /* type of filesystem */
 308     uint64_t f_flags;   /* copy of mount exported flags */
 309     uint64_t f_bsize;   /* filesystem fragment size */
 310     uint64_t f_iosize;  /* optimal transfer block size */
 311     uint64_t f_blocks;  /* total data blocks in filesystem */
 312     uint64_t f_bfree;   /* free blocks in filesystem */
 313     int64_t  f_bavail;  /* free blocks avail to non-superuser */
 314     uint64_t f_files;   /* total file nodes in filesystem */
 315     int64_t  f_ffree;   /* free nodes avail to non-superuser */
 316     uint64_t f_syncwrites;  /* count of sync writes since mount */
 317     uint64_t f_asyncwrites; /* count of async writes since mount */
 318     uint64_t f_syncreads;   /* count of sync reads since mount */
 319     uint64_t f_asyncreads;  /* count of async reads since mount */
 320     uint64_t f_spare[10];   /* unused spare */
 321     uint32_t f_namemax; /* maximum filename length */
 322     uint32_t f_owner;   /* user that mounted the filesystem */
 323     target_freebsd_fsid_t   f_fsid; /* filesystem id */
 324     char     f_charspare[80];           /* spare string space */
 325     char     f_fstypename[16];   /* filesys type name */
 326     char     f_mntfromname[88];    /* mount filesystem */
 327     char     f_mntonname[88];      /* dir on which mounted*/
 328 };
 329
 330 struct target_statfs {
 331     uint32_t f_version;             /* structure version number */
 332     uint32_t f_type;                /* type of filesystem */
 333     uint64_t f_flags;               /* copy of mount exported flags */
 334     uint64_t f_bsize;               /* filesystem fragment size */
 335     uint64_t f_iosize;              /* optimal transfer block size */
 336     uint64_t f_blocks;              /* total data blocks in filesystem */
 337     uint64_t f_bfree;               /* free blocks in filesystem */
 338     int64_t  f_bavail;              /* free blocks avail to non-superuser */
 339     uint64_t f_files;               /* total file nodes in filesystem */
 340     int64_t  f_ffree;               /* free nodes avail to non-superuser */
 341     uint64_t f_syncwrites;          /* count of sync writes since mount */
 342     uint64_t f_asyncwrites;         /* count of async writes since mount */
 343     uint64_t f_syncreads;           /* count of sync reads since mount */
 344     uint64_t f_asyncreads;          /* count of async reads since mount */
 345     uint64_t f_spare[10];           /* unused spare */
 346     uint32_t f_namemax;             /* maximum filename length */
 347     uint32_t f_owner;               /* user that mounted the filesystem */
 348     target_freebsd_fsid_t f_fsid;   /* filesystem id */
 349     char      f_charspare[80];      /* spare string space */
 350     char      f_fstypename[16];     /* filesystem type name */
 351     char      f_mntfromname[1024];  /* mounted filesystem */
 352     char      f_mntonname[1024];    /* directory on which mounted */
 353 };
 354
 355 /* File identifier. These are unique per filesystem on a single machine. */
 356 #define TARGET_MAXFIDSZ     16
 357
 358 struct target_freebsd_fid {
 359     uint16_t    fid_len;            /* len of data in bytes */
 360     uint16_t    fid_data0;          /* force longword align */
 361     char        fid_data[TARGET_MAXFIDSZ];  /* data (variable len) */
 362 };
 363
 364 /* Generic file handle */
 365 struct target_freebsd_fhandle {
 366     target_freebsd_fsid_t   fh_fsid;    /* Filesystem id of mount point */
 367     struct target_freebsd_fid fh_fid;   /* Filesys specific id */
 368 };
 369 typedef struct target_freebsd_fhandle target_freebsd_fhandle_t;
 370
 371 /*
 372  * sys/fcntl.h
 373  */
 374 #define TARGET_F_DUPFD              0
 375 #define TARGET_F_GETFD              1
 376 #define TARGET_F_SETFD              2
 377 #define TARGET_F_GETFL              3
 378 #define TARGET_F_SETFL              4
 379 #define TARGET_F_GETOWN             5
 380 #define TARGET_F_SETOWN             6
 381 #define TARGET_F_OGETLK             7
 382 #define TARGET_F_OSETLK             8
 383 #define TARGET_F_OSETLKW            9
 384 #define TARGET_F_DUP2FD             10
 385 #define TARGET_F_GETLK              11
 386 #define TARGET_F_SETLK              12
 387 #define TARGET_F_SETLKW             13
 388 #define TARGET_F_SETLK_REMOTE       14
 389 #define TARGET_F_READAHEAD          15
 390 #define TARGET_F_RDAHEAD            16
 391 #define TARGET_F_DUPFD_CLOEXEC     17
 392 #define TARGET_F_DUP2FD_CLOEXEC    18
 393 /* FreeBSD-specific */
 394 #define TARGET_F_ADD_SEALS          19
 395 #define TARGET_F_GET_SEALS          20
 396
 397 struct target_freebsd_flock {
 398     int64_t l_start;
 399     int64_t l_len;
 400     int32_t l_pid;
 401     int16_t l_type;
 402     int16_t l_whence;
 403     int32_t l_sysid;
 404 } QEMU_PACKED;
 405
 406 /* sys/unistd.h */
 407 /* user: vfork(2) semantics, clear signals */
 408 #define TARGET_RFSPAWN (1U << 31)
 409
 410 /*
 411  * from sys/procctl.h
 412  */
 413 #define TARGET_PROC_SPROTECT            1
 414 #define TARGET_PROC_REAP_ACQUIRE        2
 415 #define TARGET_PROC_REAP_RELEASE        3
 416 #define TARGET_PROC_REAP_STATUS         4
 417 #define TARGET_PROC_REAP_GETPIDS        5
 418 #define TARGET_PROC_REAP_KILL           6
 419
 420 struct target_procctl_reaper_status {
 421     uint32_t rs_flags;
 422     uint32_t rs_children;
 423     uint32_t rs_descendants;
 424     uint32_t rs_reaper;
 425     uint32_t rs_pid;
 426     uint32_t rs_pad0[15];
 427 };
 428
 429 struct target_procctl_reaper_pidinfo {
 430     uint32_t pi_pid;
 431     uint32_t pi_subtree;
 432     uint32_t pi_flags;
 433     uint32_t pi_pad0[15];
 434 };
 435
 436 struct target_procctl_reaper_pids {
 437     uint32_t rp_count;
 438     uint32_t rp_pad0[15];
 439     abi_ulong rp_pids;
 440 };
 441
 442 struct target_procctl_reaper_kill {
 443     int32_t  rk_sig;
 444     uint32_t rk_flags;
 445     uint32_t rk_subtree;
 446     uint32_t rk_killed;
 447     uint32_t rk_fpid;
 448     uint32_t rk_pad0[15];
 449 };
 450
 451
 452 #define safe_syscall0(type, name) \
 453 type safe_##name(void) \
 454 { \
 455     return safe_syscall(SYS_##name); \
 456 }
 457
 458 #define safe_syscall1(type, name, type1, arg1) \
 459 type safe_##name(type1 arg1) \
 460 { \
 461     return safe_syscall(SYS_##name, arg1); \
 462 }
 463
 464 #define safe_syscall2(type, name, type1, arg1, type2, arg2) \
 465 type safe_##name(type1 arg1, type2 arg2) \
 466 { \
 467     return safe_syscall(SYS_##name, arg1, arg2); \
 468 }
 469
 470 #define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \
 471 type safe_##name(type1 arg1, type2 arg2, type3 arg3) \
 472 { \
 473     return safe_syscall(SYS_##name, arg1, arg2, arg3); \
 474 }
 475
 476 #define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \
 477     type4, arg4) \
 478 type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
 479 { \
 480     return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4); \
 481 }
 482
 483 #define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \
 484     type4, arg4, type5, arg5) \
 485 type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
 486     type5 arg5) \
 487 { \
 488     return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4, arg5); \
 489 }
 490
 491 #define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \
 492     type4, arg4, type5, arg5, type6, arg6) \
 493 type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
 494     type5 arg5, type6 arg6) \
 495 { \
 496     return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
 497 }
 498
 499 #define safe_fcntl(...) safe_syscall(SYS_fcntl, __VA_ARGS__)
 500
 501 /* So far all target and host bitmasks are the same */
 502 #undef  target_to_host_bitmask
 503 #define target_to_host_bitmask(x, tbl) (x)
 504 #undef  host_to_target_bitmask
 505 #define host_to_target_bitmask(x, tbl) (x)
 506
 507 #endif /* SYSCALL_DEFS_H */