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_freebsd_time_t;
  49 #else
  50 typedef int32_t target_freebsd_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_freebsd_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_freebsd_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 #define safe_syscall0(type, name) \
 183 type safe_##name(void) \
 184 { \
 185     return safe_syscall(SYS_##name); \
 186 }
 187
 188 #define safe_syscall1(type, name, type1, arg1) \
 189 type safe_##name(type1 arg1) \
 190 { \
 191     return safe_syscall(SYS_##name, arg1); \
 192 }
 193
 194 #define safe_syscall2(type, name, type1, arg1, type2, arg2) \
 195 type safe_##name(type1 arg1, type2 arg2) \
 196 { \
 197     return safe_syscall(SYS_##name, arg1, arg2); \
 198 }
 199
 200 #define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \
 201 type safe_##name(type1 arg1, type2 arg2, type3 arg3) \
 202 { \
 203     return safe_syscall(SYS_##name, arg1, arg2, arg3); \
 204 }
 205
 206 #define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \
 207     type4, arg4) \
 208 type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
 209 { \
 210     return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4); \
 211 }
 212
 213 #define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \
 214     type4, arg4, type5, arg5) \
 215 type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
 216     type5 arg5) \
 217 { \
 218     return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4, arg5); \
 219 }
 220
 221 #define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \
 222     type4, arg4, type5, arg5, type6, arg6) \
 223 type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
 224     type5 arg5, type6 arg6) \
 225 { \
 226     return safe_syscall(SYS_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
 227 }
 228
 229 /* So far all target and host bitmasks are the same */
 230 #define target_to_host_bitmask(x, tbl) (x)
 231 #define host_to_target_bitmask(x, tbl) (x)
 232
 233 #endif /* SYSCALL_DEFS_H */