LXR qemu/bsd-user/syscall

   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))
  48typedef int64_t target_freebsd_time_t;
  49#else
  50typedef int32_t target_freebsd_time_t;
  51#endif
  52
  53struct 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
 101typedef abi_long target_freebsd_suseconds_t;
 102
 103/* compare to sys/timespec.h */
 104struct 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 */
 116struct target_freebsd__umtx_time {
 117    struct target_freebsd_timespec  _timeout;
 118    uint32_t    _flags;
 119    uint32_t    _clockid;
 120};
 121
 122struct 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
 153struct target_rlimit {
 154    uint64_t rlim_cur;
 155    uint64_t rlim_max;
 156};
 157
 158struct 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
 177struct 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) \
 183type safe_##name(void) \
 184{ \
 185    return safe_syscall(SYS_##name); \
 186}
 187
 188#define safe_syscall1(type, name, type1, arg1) \
 189type safe_##name(type1 arg1) \
 190{ \
 191    return safe_syscall(SYS_##name, arg1); \
 192}
 193
 194#define safe_syscall2(type, name, type1, arg1, type2, arg2) \
 195type 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) \
 201type 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) \
 208type 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) \
 215type 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) \
 223type 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 */
 234