#pragma once

#define  ·Read                 0
#define  ·Write                1
#define  ·Open                 2
#define  ·Close                3
#define  ·Stat                 4
#define  ·Fstat                5
#define  ·Lstat                6
#define  ·Poll                 7
#define  ·Lseek                8
#define  ·Mmap                 9
#define  ·Mprotect             10
#define  ·Munmap               11
#define  ·Brk                  12
#define  ·RtSigAction          13
#define  ·RtSigProcmask        14
#define  ·RtSigReturn          15
#define  ·IoCtl                16
#define  ·PRead64              17
#define  ·PWrite64             18
#define  ·Readv                19
#define  ·Writev               20
#define  ·Access               21
#define  ·Pipe                 22
#define  ·Select               23
#define  ·SchedYield           24
#define  ·MRemap               25
#define  ·MSync                26
#define  ·MIncore              27
#define  ·MAdvise              28
#define  ·ShmGet               29
#define  ·ShmAt                30
#define  ·ShmCtl               31
#define  ·Dup                  32
#define  ·Dup2                 33
#define  ·Pause                34
#define  ·Nanosleep            35
#define  ·GetItimer            36
#define  ·Alarm                37
#define  ·SetItimer            38
#define  ·GetPid               39
#define  ·SendFile             40
#define  ·Socket               41
#define  ·Connect              42
#define  ·Accept               43
#define  ·SendTo               44
#define  ·RecvFrom             45
#define  ·SendMsg              46
#define  ·RecvMsg              47
#define  ·Shutdown             48
#define  ·Bind                 49
#define  ·Listen               50
#define  ·GetSockName          51
#define  ·GetPeerName          52
#define  ·SocketPair           53
#define  ·SetSockOpt           54
#define  ·GetSockOpt           55
#define  ·Clone                56
#define  ·Fork                 57
#define  ·Vfork                58
#define  ·Execve               59
#define  ·Exit                 60
#define  ·Wait4                61
#define  ·Kill                 62
#define  ·Uname                63
#define  ·SemGet               64
#define  ·SemOp                65
#define  ·SemCtl               66
#define  ·ShmDt                67
#define  ·MsgGet               68
#define  ·MsgSnd               69
#define  ·MsgRcv               70
#define  ·MsgCtl               71
#define  ·Fcntl                72
#define  ·FLock                73
#define  ·FSync                74
#define  ·FDataSync            75
#define  ·Truncate             76
#define  ·FTruncate            77
#define  ·GetDents             78
#define  ·GetCwd               79
#define  ·Chdir                80
#define  ·Fchdir               81
#define  ·Rename               82
#define  ·Mkdir                83
#define  ·Rmdir                84
#define  ·Create               85
#define  ·Link                 86
#define  ·Unlink               87
#define  ·Symlink              88
#define  ·Readlink             89
#define  ·Chmod                90
#define  ·Fchmod               91
#define  ·Chown                92
#define  ·FChown               93
#define  ·LChown               94
#define  ·UMask                95
#define  ·GetTimeOfDay         96
#define  ·GetRLimit            97
#define  ·GetRUsage            98
#define  ·SysInfo              99
#define  ·Times                100
#define  ·PTrace               101
#define  ·GetUID               102
#define  ·SysLog               103
#define  ·GetGid               104
#define  ·SetUid               105
#define  ·SetGid               106
#define  ·GetEuid              107
#define  ·GetEgid              108
#define  ·SetPgid              109
#define  ·GetPpid              110
#define  ·GetPgrp              111
#define  ·SetSid               112
#define  ·SetReuid             113
#define  ·SetRegid             114
#define  ·GetGroups            115
#define  ·SetGroups            116
#define  ·SetResuid            117
#define  ·GetResuid            118
#define  ·SetResgid            119
#define  ·GetResgid            120
#define  ·GetPgid              121
#define  ·SetFsuid             122
#define  ·SetFsgid             123
#define  ·GetSid               124
#define  ·CapGet               125
#define  ·CapSet               126
#define  ·RtSigPending         127
#define  ·RtSigTimedWait       128
#define  ·RtSigQueueInfo       129
#define  ·RtSigSuspend         130
#define  ·SignaltStack         131
#define  ·UTime                132
#define  ·MkNod                133
#define  ·UseLib               134
#define  ·Personality          135
#define  ·UStat                136
#define  ·StatFs               137
#define  ·FstatFs              138
#define  ·SysFs                139
#define  ·GetPriority          140
#define  ·SetPriority          141
#define  ·SchedSetParam        142
#define  ·SchedGetParam        143
#define  ·SchedSetScheduler    144
#define  ·SchedGetScheduler    145
#define  ·SchedGetPriorityMax  146
#define  ·SchedGetPriorityMin  147
#define  ·SchedRrGetInterval   148
#define  ·MLock                149
#define  ·MUnlock              150
#define  ·MLockAll             151
#define  ·MUnlockAll           152
#define  ·VHangup              153
#define  ·ModifyLdt            154
#define  ·PivotRoot            155
#define  ·Sysctl               156
#define  ·Prctl                157
#define  ·ArchPrctl            158
#define  ·AdjTimex             159
#define  ·SetRLimit            160
#define  ·Chroot               161
#define  ·Sync                 162
#define  ·Acct                 163
#define  ·Settimeofday         164
#define  ·Mount                165
#define  ·Umount2              166
#define  ·Swapon               167
#define  ·Swapoff              168
#define  ·Reboot               169
#define  ·SetHostName          170
#define  ·SetDomainName        171
#define  ·Iopl                 172
#define  ·Ioperm               173
#define  ·CreateModule         174
#define  ·InitModule           175
#define  ·DeleteModule         176
#define  ·GetKernelSyms        177
#define  ·QueryModule          178
#define  ·QuotaCtl             179
#define  ·NfsServCtl           180
#define  ·GetPmsg              181
#define  ·PutPmsg              182
#define  ·AfsSyscall           183
#define  ·TuxCall              184
#define  ·Security             185
#define  ·Gettid               186
#define  ·Readahead            187
#define  ·SetXattr             188
#define  ·LsetXattr            189
#define  ·FsetXattr            190
#define  ·GetXattr             191
#define  ·LgetXattr            192
#define  ·FgetXattr            193
#define  ·ListXattr            194
#define  ·LlistXattr           195
#define  ·FlistXattr           196
#define  ·RemoveXattr          197
#define  ·LremoveXattr         198
#define  ·FremoveXattr         199
#define  ·TKill                200
#define  ·Time                 201
#define  ·Futex                202
#define  ·SchedSetAffinity     203
#define  ·SchedGetAffinity     204
#define  ·SetThreadArea        205
#define  ·IoSetup              206
#define  ·IoDestroy            207
#define  ·IoGetEvents          208
#define  ·IoSubmit             209
#define  ·IoCancel             210
#define  ·GetThreadArea        211
#define  ·LookupDCookie        212
#define  ·EpollCreate          213
#define  ·EpollCtlOld          214
#define  ·EpollWaitOld         215
#define  ·RemapFilePages       216
#define  ·Getdents64           217
#define  ·SetTidAddress        218
#define  ·RestartSyscall       219
#define  ·SemtimeDop           220
#define  ·Fadvise64            221
#define  ·TimerCreate          222
#define  ·TimerSetTime         223
#define  ·TimerGetTime         224
#define  ·TimerGetOverrun      225
#define  ·TimerDelete          226
#define  ·ClockSetTime         227
#define  ·ClockGetTime         228
#define  ·ClockGetRes          229
#define  ·ClockNanosleep       230
#define  ·ExitGroup            231
#define  ·EpollWait            232
#define  ·EpollCtl             233
#define  ·Tgkill               234
#define  ·Utimes               235
#define  ·Vserver              236
#define  ·Mbind                237
#define  ·SetMemPolicy         238
#define  ·GetMemPolicy         239
#define  ·MqOpen               240
#define  ·MqUnlink             241
#define  ·MqTimedSend          242
#define  ·MqTimedReceive       243
#define  ·MqNotify             244
#define  ·MqGetSetAttr         245
#define  ·KexecLoad            246
#define  ·Waitid               247
#define  ·AddKey               248
#define  ·RequestKey           249
#define  ·Keyctl               250
#define  ·IoprioSet            251
#define  ·IoprioGet            252
#define  ·InotifyInit          253
#define  ·InotifyAddWatch      254
#define  ·InotifyRmWatch       255
#define  ·MigratePages         256
#define  ·OpenAt               257
#define  ·MkdirAt              258
#define  ·MkNodAt              259
#define  ·FchownAt             260
#define  ·FutimesAt            261
#define  ·NewfstatAt           262
#define  ·UnlinkAt             263
#define  ·RenameAt             264
#define  ·LinkAt               265
#define  ·SymlinkAt            266
#define  ·ReadlinkAt           267
#define  ·FchmodAt             268
#define  ·FaccessAt            269
#define  ·Pselect6             270
#define  ·Ppoll                271
#define  ·Unshare              272
#define  ·SetRobustList        273
#define  ·GetRobustList        274
#define  ·Splice               275
#define  ·Tee                  276
#define  ·SyncFileRange        277
#define  ·Vmsplice             278
#define  ·MovePages            279
#define  ·UtimensAt            280
#define  ·EpollPwait           281
#define  ·SignalFd             282
#define  ·TimerFdCreate        283
#define  ·EventFd              284
#define  ·Fallocate            285
#define  ·TimerFdSetTime       286
#define  ·TimerFdGetTime       287
#define  ·Accept4              288
#define  ·SignalFd4            289
#define  ·EventFd2             290
#define  ·EpollCreate1         291
#define  ·Dup3                 292
#define  ·Pipe2                293
#define  ·InotifyInit1         294
#define  ·Preadv               295
#define  ·Pwritev              296
#define  ·RtTgSigQueueInfo     297
#define  ·PerfEventOpen        298
#define  ·RecvmMsg             299
#define  ·FanotifyInit         300
#define  ·FanotifyMark         301
#define  ·Prlimit64            302
#define  ·NameToHandleAt       303
#define  ·OpenByHandleAt       304
#define  ·ClockAdjtime         305
#define  ·SyncFs               306
#define  ·SendmMsg             307
#define  ·SetNs                308
#define  ·GetCpu               309
#define  ·ProcessVmReadv       310
#define  ·ProcessVmWritev      311
#define  ·Kcmp                 312
#define  ·FinitModule          313
#define  ·SchedSetattr         314
#define  ·SchedGetattr         315
#define  ·Renameat2            316
#define  ·Seccomp              317
#define  ·Getrandom            318
#define  ·MemfdCreate          319
#define  ·KexecFileLoad        320
#define  ·Bpf                  321
#define  ·ExecveAt             322
#define  ·UserFaultFd          323
#define  ·MemBarrier           324
#define  ·Mlock2               325
#define  ·CopyFileRange        326
#define  ·Preadv2              327
#define  ·Pwritev2             328
#define  ·PkeyMprotect         329
#define  ·PkeyAlloc            330
#define  ·PkeyFree             331
#define  ·Statx                332
#define  ·IoPgetEvents         333
#define  ·Rseq                 334
#define  ·PidfdSendSignal      424
#define  ·IoUringSetup         425
#define  ·IoUringEnter         426
#define  ·IoUringRegister      427
#define  ·OpenTree             428
#define  ·MoveMount            429
#define  ·FsOpen               430
#define  ·FsConfig             431
#define  ·FsMount              432
#define  ·FsPick               433
#define  ·PidFdOpen            434
#define  ·Clone3               435
#define  ·CloseRange           436
#define  ·OpenAt2              437
#define  ·PidFdGetFd           438
#define  ·FaccessAt2           439
#define  ·ProcessMadvise       440

/*
 * x86-64 linux ABI
 * syscall rdi rsi rdx r10 r8 r9
 * return value in rax
 *
 * the syntax for extended GNU inline assembly
 * asm([instructions] : [output operands] : [input operands] : [clobbers] )
 * operands are written as "constrants"(symbol)
 * available constraints are:
 *  'r': any register
 *  'a': eax, 'b': ebx, 'c': ecx, 'd': edx, 'S', esi, 'D' edi
 *  '=': write only, previous value is discarded
 */
#define sysarg(x) ((long)(x))

static inline long
_syscall0(long n)
{
    ulong ret;
    asm volatile("syscall" : "=a"(ret)
                  : "a"(n)
                  : "rcx", "r11", "memory"
    );
    return ret;
}

static inline long
_syscall1(long n, long a1)
{
    ulong ret;
    asm volatile("syscall" : "=a"(ret)
                  : "a"(n), "D"(a1)
                  : "rcx", "r11", "memory"
    );
    return ret;
}

static inline long
_syscall2(long n, long a1, long a2)
{
    ulong ret;
    asm volatile("syscall" : "=a"(ret)
                  : "a"(n), "D"(a1), "S"(a2)
                  : "rcx", "r11", "memory"
    );
    return ret;
}

static inline long
_syscall3(long n, long a1, long a2, long a3)
{
    ulong ret;
    asm volatile("syscall" : "=a"(ret)
                  : "a"(n), "D"(a1), "S"(a2), "d"(a3)
                  : "rcx", "r11", "memory"
    );
    return ret;
}

static inline long
_syscall4(long n, long a1, long a2, long a3, long a4)
{
    ulong ret;
    register long r10 asm("r10") = a4;
    asm volatile("syscall" : "=a"(ret)
                  : "a"(n), "D"(a1), "S"(a2), "d"(a3), "r"(r10)
                  : "rcx", "r11", "memory"
    );
    return ret;
}

static inline long
_syscall5(long n, long a1, long a2, long a3, long a4, long a5)
{
    ulong ret;
    register long r10 asm("r10") = a4;
    register long r8  asm("r8")  = a5;
    asm volatile("syscall" : "=a"(ret)
                  : "a"(n), "D"(a1), "S"(a2), "d"(a3), "r"(r10), "r"(r8)
                  : "rcx", "r11", "memory"
    );
    return ret;
}

static inline long
_syscall6(long n, long a1, long a2, long a3, long a4, long a5, long a6)
{
    ulong ret;
    register long r10 __asm__("r10") = a4;
    register long r8 __asm__("r8")   = a5;
    register long r9 __asm__("r9")   = a6;
    asm volatile("syscall" : "=a"(ret)
                  : "a"(n), "D"(a1), "S"(a2), "d"(a3), "r"(r10), "r"(r8), "r"(r9)
                  : "rcx", "r11", "memory"
    );
    return ret;
}