[musl] / arch / x86_64 / syscall.h

#ifndef _SYSCALL_H
#define _SYSCALL_H

#define SYSCALL_LL(x) x, 0
#define SYSCALL_SIGSET_SIZE 8

#if defined(SYSCALL_STANDALONE)
#include <errno.h>
static inline long __syscall_ret(unsigned long r)
{
        if (r >= (unsigned long)-1 - 4096) {
                errno = -(long)r;
                return -1;
        }
        return (long)r;
}
#elif defined(SYSCALL_NORETURN)
static inline long __syscall_ret(unsigned long r)
{
        for(;;);
        return 0;
}
#elif defined(SYSCALL_RETURN_ERRNO)
static inline long __syscall_ret(unsigned long r)
{
        return -r;
}
#else
extern long __syscall_ret(unsigned long);
#endif

// 64: di,  si,  dx,  r10, r8,  r9
// 32: ebx, ecx, edx, esi, edi, ebp

#define SYSCALL "syscall"

static inline long syscall0(long n)
{
        unsigned long ret;
        __asm__ __volatile__ (SYSCALL : "=a"(ret) : "a"(n) : "rcx", "r11", "memory");
        return __syscall_ret(ret);
}

static inline long syscall1(long n, long a1)
{
        unsigned long ret;
        __asm__ __volatile__ (SYSCALL : "=a"(ret) : "a"(n), "D"(a1) : "rcx", "r11", "memory");
        return __syscall_ret(ret);
}

static inline long syscall2(long n, long a1, long a2)
{
        unsigned long ret;
        __asm__ __volatile__ (SYSCALL : "=a"(ret) : "a"(n), "D"(a1), "S"(a2)
                                                  : "rcx", "r11", "memory");
        return __syscall_ret(ret);
}

static inline long syscall3(long n, long a1, long a2, long a3)
{
        unsigned long ret;
        __asm__ __volatile__ (SYSCALL : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
                                                  "d"(a3) : "rcx", "r11", "memory");
        return __syscall_ret(ret);
}

static inline long syscall4(long n, long a1, long a2, long a3, long a4)
{
        unsigned long 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 __syscall_ret(ret);
}

static inline long syscall5(long n, long a1, long a2, long a3, long a4,
                                                        long a5)
{
        unsigned long 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 __syscall_ret(ret);
}

static inline long syscall6(long n, long a1, long a2, long a3, long a4,
                                                        long a5, long a6)
{
        unsigned long 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 __syscall_ret(ret);
}

#define __NR_read                               0
#define __NR_write                              1
#define __NR_open                               2
#define __NR_close                              3
#define __NR_stat                               4
#define __NR_fstat                              5
#define __NR_lstat                              6
#define __NR_poll                               7
#define __NR_lseek                              8
#define __NR_mmap                               9
#define __NR_mprotect                   10
#define __NR_munmap                             11
#define __NR_brk                                12
#define __NR_rt_sigaction               13
#define __NR_rt_sigprocmask             14
#define __NR_rt_sigreturn               15
#define __NR_ioctl                              16
#define __NR_pread64                    17
#define __NR_pwrite64                   18
#define __NR_readv                              19
#define __NR_writev                             20
#define __NR_access                             21
#define __NR_pipe                               22
#define __NR_select                             23
#define __NR_sched_yield                24
#define __NR_mremap                             25
#define __NR_msync                              26
#define __NR_mincore                    27
#define __NR_madvise                    28
#define __NR_shmget                             29
#define __NR_shmat                              30
#define __NR_shmctl                             31
#define __NR_dup                                32
#define __NR_dup2                               33
#define __NR_pause                              34
#define __NR_nanosleep                  35
#define __NR_getitimer                  36
#define __NR_alarm                              37
#define __NR_setitimer                  38
#define __NR_getpid                             39
#define __NR_sendfile                   40
#define __NR_socket                             41
#define __NR_connect                    42
#define __NR_accept                             43
#define __NR_sendto                             44
#define __NR_recvfrom                   45
#define __NR_sendmsg                    46
#define __NR_recvmsg                    47
#define __NR_shutdown                   48
#define __NR_bind                               49
#define __NR_listen                             50
#define __NR_getsockname                51
#define __NR_getpeername                52
#define __NR_socketpair                 53
#define __NR_setsockopt                 54
#define __NR_getsockopt                 55
#define __NR_clone                              56
#define __NR_fork                               57
#define __NR_vfork                              58
#define __NR_execve                             59
#define __NR_exit                               60
#define __NR_wait4                              61
#define __NR_kill                               62
#define __NR_uname                              63
#define __NR_semget                             64
#define __NR_semop                              65
#define __NR_semctl                             66
#define __NR_shmdt                              67
#define __NR_msgget                             68
#define __NR_msgsnd                             69
#define __NR_msgrcv                             70
#define __NR_msgctl                             71
#define __NR_fcntl                              72
#define __NR_flock                              73
#define __NR_fsync                              74
#define __NR_fdatasync                  75
#define __NR_truncate                   76
#define __NR_ftruncate                  77
#define __NR_getdents                   78
#define __NR_getcwd                             79
#define __NR_chdir                              80
#define __NR_fchdir                             81
#define __NR_rename                             82
#define __NR_mkdir                              83
#define __NR_rmdir                              84
#define __NR_creat                              85
#define __NR_link                               86
#define __NR_unlink                             87
#define __NR_symlink                    88
#define __NR_readlink                   89
#define __NR_chmod                              90
#define __NR_fchmod                             91
#define __NR_chown                              92
#define __NR_fchown                             93
#define __NR_lchown                             94
#define __NR_umask                              95
#define __NR_gettimeofday               96
#define __NR_getrlimit                  97
#define __NR_getrusage                  98
#define __NR_sysinfo                    99
#define __NR_times                              100
#define __NR_ptrace                             101
#define __NR_getuid                             102
#define __NR_syslog                             103
#define __NR_getgid                             104
#define __NR_setuid                             105
#define __NR_setgid                             106
#define __NR_geteuid                    107
#define __NR_getegid                    108
#define __NR_setpgid                    109
#define __NR_getppid                    110
#define __NR_getpgrp                    111
#define __NR_setsid                             112
#define __NR_setreuid                   113
#define __NR_setregid                   114
#define __NR_getgroups                  115
#define __NR_setgroups                  116
#define __NR_setresuid                  117
#define __NR_getresuid                  118
#define __NR_setresgid                  119
#define __NR_getresgid                  120
#define __NR_getpgid                    121
#define __NR_setfsuid                   122
#define __NR_setfsgid                   123
#define __NR_getsid                             124
#define __NR_capget                             125
#define __NR_capset                             126
#define __NR_rt_sigpending              127
#define __NR_rt_sigtimedwait    128
#define __NR_rt_sigqueueinfo    129
#define __NR_rt_sigsuspend              130
#define __NR_sigaltstack                131
#define __NR_utime                              132
#define __NR_mknod                              133
#define __NR_uselib                             134
#define __NR_personality                135
#define __NR_ustat                              136
#define __NR_statfs                             137
#define __NR_fstatfs                    138
#define __NR_sysfs                              139
#define __NR_getpriority                        140
#define __NR_setpriority                        141
#define __NR_sched_setparam                     142
#define __NR_sched_getparam                     143
#define __NR_sched_setscheduler         144
#define __NR_sched_getscheduler         145
#define __NR_sched_get_priority_max     146
#define __NR_sched_get_priority_min     147
#define __NR_sched_rr_get_interval      148
#define __NR_mlock                                      149
#define __NR_munlock                            150
#define __NR_mlockall                           151
#define __NR_munlockall                         152
#define __NR_vhangup                            153
#define __NR_modify_ldt                         154
#define __NR_pivot_root                         155
#define __NR__sysctl                            156
#define __NR_prctl                                      157
#define __NR_arch_prctl                         158
#define __NR_adjtimex                           159
#define __NR_setrlimit                          160
#define __NR_chroot                                     161
#define __NR_sync                                       162
#define __NR_acct                                       163
#define __NR_settimeofday                       164
#define __NR_mount                                      165
#define __NR_umount2                            166
#define __NR_swapon                                     167
#define __NR_swapoff                            168
#define __NR_reboot                                     169
#define __NR_sethostname                        170
#define __NR_setdomainname                      171
#define __NR_iopl                                       172
#define __NR_ioperm                                     173
#define __NR_create_module                      174
#define __NR_init_module                        175
#define __NR_delete_module                      176
#define __NR_get_kernel_syms            177
#define __NR_query_module                       178
#define __NR_quotactl                           179
#define __NR_nfsservctl                         180
#define __NR_getpmsg                            181
#define __NR_putpmsg                            182
#define __NR_afs_syscall                        183
#define __NR_tuxcall                            184
#define __NR_security                           185
#define __NR_gettid                                     186
#define __NR_readahead                          187
#define __NR_setxattr                           188
#define __NR_lsetxattr                          189
#define __NR_fsetxattr                          190
#define __NR_getxattr                           191
#define __NR_lgetxattr                          192
#define __NR_fgetxattr                          193
#define __NR_listxattr                          194
#define __NR_llistxattr                         195
#define __NR_flistxattr                         196
#define __NR_removexattr                        197
#define __NR_lremovexattr                       198
#define __NR_fremovexattr                       199
#define __NR_tkill                                      200
#define __NR_time                                       201
#define __NR_futex                                      202
#define __NR_sched_setaffinity          203
#define __NR_sched_getaffinity          204
#define __NR_set_thread_area            205
#define __NR_io_setup                           206
#define __NR_io_destroy                         207
#define __NR_io_getevents                       208
#define __NR_io_submit                          209
#define __NR_io_cancel                          210
#define __NR_get_thread_area            211
#define __NR_lookup_dcookie                     212
#define __NR_epoll_create                       213
#define __NR_epoll_ctl_old                      214
#define __NR_epoll_wait_old                     215
#define __NR_remap_file_pages           216
#define __NR_getdents64                         217
#define __NR_set_tid_address            218
#define __NR_restart_syscall            219
#define __NR_semtimedop                         220
#define __NR_fadvise64                          221
#define __NR_timer_create                       222
#define __NR_timer_settime                      223
#define __NR_timer_gettime                      224
#define __NR_timer_getoverrun           225
#define __NR_timer_delete                       226
#define __NR_clock_settime                      227
#define __NR_clock_gettime                      228
#define __NR_clock_getres                       229
#define __NR_clock_nanosleep            230
#define __NR_exit_group                         231
#define __NR_epoll_wait                         232
#define __NR_epoll_ctl                          233
#define __NR_tgkill                                     234
#define __NR_utimes                                     235
#define __NR_vserver                            236
#define __NR_mbind                                      237
#define __NR_set_mempolicy                      238
#define __NR_get_mempolicy                      239
#define __NR_mq_open                            240
#define __NR_mq_unlink                          241
#define __NR_mq_timedsend                       242
#define __NR_mq_timedreceive            243
#define __NR_mq_notify                          244
#define __NR_mq_getsetattr                      245
#define __NR_kexec_load                         246
#define __NR_waitid                                     247
#define __NR_add_key                            248
#define __NR_request_key                        249
#define __NR_keyctl                                     250
#define __NR_ioprio_set                         251
#define __NR_ioprio_get                         252
#define __NR_inotify_init                       253
#define __NR_inotify_add_watch          254
#define __NR_inotify_rm_watch           255
#define __NR_migrate_pages                      256
#define __NR_openat                                     257
#define __NR_mkdirat                            258
#define __NR_mknodat                            259
#define __NR_fchownat                           260
#define __NR_futimesat                          261
#define __NR_newfstatat                         262
#define __NR_unlinkat                           263
#define __NR_renameat                           264
#define __NR_linkat                                     265
#define __NR_symlinkat                          266
#define __NR_readlinkat                         267
#define __NR_fchmodat                           268
#define __NR_faccessat                          269
#define __NR_pselect6                           270
#define __NR_ppoll                                      271
#define __NR_unshare                            272
#define __NR_set_robust_list            273
#define __NR_get_robust_list            274
#define __NR_splice                                     275
#define __NR_tee                                        276
#define __NR_sync_file_range            277
#define __NR_vmsplice                           278
#define __NR_move_pages                         279
#define __NR_utimensat                          280
#define __NR_epoll_pwait                        281
#define __NR_signalfd                           282
#define __NR_timerfd_create                     283
#define __NR_eventfd                            284
#define __NR_fallocate                          285
#define __NR_timerfd_settime            286
#define __NR_timerfd_gettime            287
#define __NR_accept4                            288
#define __NR_signalfd4                          289
#define __NR_eventfd2                           290
#define __NR_epoll_create1                      291
#define __NR_dup3                                       292
#define __NR_pipe2                                      293
#define __NR_inotify_init1                      294
#define __NR_preadv                                     295
#define __NR_pwritev                            296
#define __NR_rt_tgsigqueueinfo          297
#define __NR_perf_event_open            298
#define __NR_recvmmsg                           299
#define __NR_fanotify_init                      300
#define __NR_fanotify_mark                      301
#define __NR_prlimit64                          302

#undef __NR_fstatat
#undef __NR_pread
#undef __NR_pwrite
#define __NR_fstatat __NR_newfstatat
#define __NR_pread __NR_pread64
#define __NR_pwrite __NR_pwrite64

#undef O_LARGEFILE
#define O_LARGEFILE 0100000

#define socketcall(nm, a, b, c, d, e, f) syscall6(__NR_##nm, \
    (long)a, (long)b, (long)c, (long)d, (long)e, (long)f)

/* the following are needed for iso c functions to use */
#define __syscall_open(filename, flags, mode) syscall3(__NR_open, (long)(filename), (flags)|O_LARGEFILE, (mode))
#define __syscall_read(fd, buf, len)          syscall3(__NR_read, (fd), (long)(buf), (len))
#define __syscall_write(fd, buf, len)         syscall3(__NR_write, (fd), (long)(buf), (len))
#define __syscall_close(fd)                   syscall1(__NR_close, (fd))
#define __syscall_fcntl(fd, cmd, arg)         syscall3(__NR_fcntl, (fd), (cmd), (long)(arg))
#define __syscall_dup2(old, new)              syscall2(__NR_dup2, (old), (new))
#define __syscall_unlink(path)                syscall1(__NR_unlink, (long)(path))
#define __syscall_getpid()                    syscall0(__NR_getpid)
#define __syscall_kill(pid,sig)               syscall2(__NR_kill, (pid), (sig))
#define __syscall_sigaction(sig,new,old)      syscall4(__NR_rt_sigaction, (sig), (long)(new), (long)(old), SYSCALL_SIGSET_SIZE)
#define __syscall_ioctl(fd,ioc,arg)           syscall3(__NR_ioctl, (fd), (ioc), (long)(arg))
#define __syscall_exit(code)                  syscall1(__NR_exit, code)

#define __NEED_off_t
#include <bits/alltypes.h>

static inline off_t __syscall_lseek(int fd, off_t offset, int whence)
{
        return syscall3(__NR_lseek, fd, offset, whence);
}

#endif