const std = @import("../../std.zig"); const maxInt = std.math.maxInt; const linux = std.os.linux; const iovec = std.os.iovec; const iovec_const = std.os.iovec_const; const pid_t = linux.pid_t; const uid_t = linux.uid_t; const gid_t = linux.gid_t; const clock_t = linux.clock_t; const stack_t = linux.stack_t; const sigset_t = linux.sigset_t; const sockaddr = linux.sockaddr; const socklen_t = linux.socklen_t; const timespec = linux.timespec; pub fn syscall0(number: SYS) usize { return asm volatile ("syscall" : [ret] "={rax}" (-> usize), : [number] "{rax}" (@enumToInt(number)), : "rcx", "r11", "memory" ); } pub fn syscall1(number: SYS, arg1: usize) usize { return asm volatile ("syscall" : [ret] "={rax}" (-> usize), : [number] "{rax}" (@enumToInt(number)), [arg1] "{rdi}" (arg1), : "rcx", "r11", "memory" ); } pub fn syscall2(number: SYS, arg1: usize, arg2: usize) usize { return asm volatile ("syscall" : [ret] "={rax}" (-> usize), : [number] "{rax}" (@enumToInt(number)), [arg1] "{rdi}" (arg1), [arg2] "{rsi}" (arg2), : "rcx", "r11", "memory" ); } pub fn syscall3(number: SYS, arg1: usize, arg2: usize, arg3: usize) usize { return asm volatile ("syscall" : [ret] "={rax}" (-> usize), : [number] "{rax}" (@enumToInt(number)), [arg1] "{rdi}" (arg1), [arg2] "{rsi}" (arg2), [arg3] "{rdx}" (arg3), : "rcx", "r11", "memory" ); } pub fn syscall4(number: SYS, arg1: usize, arg2: usize, arg3: usize, arg4: usize) usize { return asm volatile ("syscall" : [ret] "={rax}" (-> usize), : [number] "{rax}" (@enumToInt(number)), [arg1] "{rdi}" (arg1), [arg2] "{rsi}" (arg2), [arg3] "{rdx}" (arg3), [arg4] "{r10}" (arg4), : "rcx", "r11", "memory" ); } pub fn syscall5(number: SYS, arg1: usize, arg2: usize, arg3: usize, arg4: usize, arg5: usize) usize { return asm volatile ("syscall" : [ret] "={rax}" (-> usize), : [number] "{rax}" (@enumToInt(number)), [arg1] "{rdi}" (arg1), [arg2] "{rsi}" (arg2), [arg3] "{rdx}" (arg3), [arg4] "{r10}" (arg4), [arg5] "{r8}" (arg5), : "rcx", "r11", "memory" ); } pub fn syscall6( number: SYS, arg1: usize, arg2: usize, arg3: usize, arg4: usize, arg5: usize, arg6: usize, ) usize { return asm volatile ("syscall" : [ret] "={rax}" (-> usize), : [number] "{rax}" (@enumToInt(number)), [arg1] "{rdi}" (arg1), [arg2] "{rsi}" (arg2), [arg3] "{rdx}" (arg3), [arg4] "{r10}" (arg4), [arg5] "{r8}" (arg5), [arg6] "{r9}" (arg6), : "rcx", "r11", "memory" ); } /// This matches the libc clone function. pub extern fn clone(func: fn (arg: usize) callconv(.C) u8, stack: usize, flags: usize, arg: usize, ptid: *i32, tls: usize, ctid: *i32) usize; pub const restore = restore_rt; pub fn restore_rt() callconv(.Naked) void { return asm volatile ("syscall" : : [number] "{rax}" (@enumToInt(SYS.rt_sigreturn)), : "rcx", "r11", "memory" ); } pub const mode_t = usize; pub const time_t = isize; pub const nlink_t = usize; pub const blksize_t = isize; pub const blkcnt_t = isize; pub const SYS = enum(usize) { read = 0, write = 1, open = 2, close = 3, stat = 4, fstat = 5, lstat = 6, poll = 7, lseek = 8, mmap = 9, mprotect = 10, munmap = 11, brk = 12, rt_sigaction = 13, rt_sigprocmask = 14, rt_sigreturn = 15, ioctl = 16, pread = 17, pwrite = 18, readv = 19, writev = 20, access = 21, pipe = 22, select = 23, sched_yield = 24, mremap = 25, msync = 26, mincore = 27, madvise = 28, shmget = 29, shmat = 30, shmctl = 31, dup = 32, dup2 = 33, pause = 34, nanosleep = 35, getitimer = 36, alarm = 37, setitimer = 38, getpid = 39, sendfile = 40, socket = 41, connect = 42, accept = 43, sendto = 44, recvfrom = 45, sendmsg = 46, recvmsg = 47, shutdown = 48, bind = 49, listen = 50, getsockname = 51, getpeername = 52, socketpair = 53, setsockopt = 54, getsockopt = 55, clone = 56, fork = 57, vfork = 58, execve = 59, exit = 60, wait4 = 61, kill = 62, uname = 63, semget = 64, semop = 65, semctl = 66, shmdt = 67, msgget = 68, msgsnd = 69, msgrcv = 70, msgctl = 71, fcntl = 72, flock = 73, fsync = 74, fdatasync = 75, truncate = 76, ftruncate = 77, getdents = 78, getcwd = 79, chdir = 80, fchdir = 81, rename = 82, mkdir = 83, rmdir = 84, creat = 85, link = 86, unlink = 87, symlink = 88, readlink = 89, chmod = 90, fchmod = 91, chown = 92, fchown = 93, lchown = 94, umask = 95, gettimeofday = 96, getrlimit = 97, getrusage = 98, sysinfo = 99, times = 100, ptrace = 101, getuid = 102, syslog = 103, getgid = 104, setuid = 105, setgid = 106, geteuid = 107, getegid = 108, setpgid = 109, getppid = 110, getpgrp = 111, setsid = 112, setreuid = 113, setregid = 114, getgroups = 115, setgroups = 116, setresuid = 117, getresuid = 118, setresgid = 119, getresgid = 120, getpgid = 121, setfsuid = 122, setfsgid = 123, getsid = 124, capget = 125, capset = 126, rt_sigpending = 127, rt_sigtimedwait = 128, rt_sigqueueinfo = 129, rt_sigsuspend = 130, sigaltstack = 131, utime = 132, mknod = 133, uselib = 134, personality = 135, ustat = 136, statfs = 137, fstatfs = 138, sysfs = 139, getpriority = 140, setpriority = 141, sched_setparam = 142, sched_getparam = 143, sched_setscheduler = 144, sched_getscheduler = 145, sched_get_priority_max = 146, sched_get_priority_min = 147, sched_rr_get_interval = 148, mlock = 149, munlock = 150, mlockall = 151, munlockall = 152, vhangup = 153, modify_ldt = 154, pivot_root = 155, _sysctl = 156, prctl = 157, arch_prctl = 158, adjtimex = 159, setrlimit = 160, chroot = 161, sync = 162, acct = 163, settimeofday = 164, mount = 165, umount2 = 166, swapon = 167, swapoff = 168, reboot = 169, sethostname = 170, setdomainname = 171, iopl = 172, ioperm = 173, create_module = 174, init_module = 175, delete_module = 176, get_kernel_syms = 177, query_module = 178, quotactl = 179, nfsservctl = 180, getpmsg = 181, putpmsg = 182, afs_syscall = 183, tuxcall = 184, security = 185, gettid = 186, readahead = 187, setxattr = 188, lsetxattr = 189, fsetxattr = 190, getxattr = 191, lgetxattr = 192, fgetxattr = 193, listxattr = 194, llistxattr = 195, flistxattr = 196, removexattr = 197, lremovexattr = 198, fremovexattr = 199, tkill = 200, time = 201, futex = 202, sched_setaffinity = 203, sched_getaffinity = 204, set_thread_area = 205, io_setup = 206, io_destroy = 207, io_getevents = 208, io_submit = 209, io_cancel = 210, get_thread_area = 211, lookup_dcookie = 212, epoll_create = 213, epoll_ctl_old = 214, epoll_wait_old = 215, remap_file_pages = 216, getdents64 = 217, set_tid_address = 218, restart_syscall = 219, semtimedop = 220, fadvise64 = 221, timer_create = 222, timer_settime = 223, timer_gettime = 224, timer_getoverrun = 225, timer_delete = 226, clock_settime = 227, clock_gettime = 228, clock_getres = 229, clock_nanosleep = 230, exit_group = 231, epoll_wait = 232, epoll_ctl = 233, tgkill = 234, utimes = 235, vserver = 236, mbind = 237, set_mempolicy = 238, get_mempolicy = 239, mq_open = 240, mq_unlink = 241, mq_timedsend = 242, mq_timedreceive = 243, mq_notify = 244, mq_getsetattr = 245, kexec_load = 246, waitid = 247, add_key = 248, request_key = 249, keyctl = 250, ioprio_set = 251, ioprio_get = 252, inotify_init = 253, inotify_add_watch = 254, inotify_rm_watch = 255, migrate_pages = 256, openat = 257, mkdirat = 258, mknodat = 259, fchownat = 260, futimesat = 261, fstatat = 262, unlinkat = 263, renameat = 264, linkat = 265, symlinkat = 266, readlinkat = 267, fchmodat = 268, faccessat = 269, pselect6 = 270, ppoll = 271, unshare = 272, set_robust_list = 273, get_robust_list = 274, splice = 275, tee = 276, sync_file_range = 277, vmsplice = 278, move_pages = 279, utimensat = 280, epoll_pwait = 281, signalfd = 282, timerfd_create = 283, eventfd = 284, fallocate = 285, timerfd_settime = 286, timerfd_gettime = 287, accept4 = 288, signalfd4 = 289, eventfd2 = 290, epoll_create1 = 291, dup3 = 292, pipe2 = 293, inotify_init1 = 294, preadv = 295, pwritev = 296, rt_tgsigqueueinfo = 297, perf_event_open = 298, recvmmsg = 299, fanotify_init = 300, fanotify_mark = 301, prlimit64 = 302, name_to_handle_at = 303, open_by_handle_at = 304, clock_adjtime = 305, syncfs = 306, sendmmsg = 307, setns = 308, getcpu = 309, process_vm_readv = 310, process_vm_writev = 311, kcmp = 312, finit_module = 313, sched_setattr = 314, sched_getattr = 315, renameat2 = 316, seccomp = 317, getrandom = 318, memfd_create = 319, kexec_file_load = 320, bpf = 321, execveat = 322, userfaultfd = 323, membarrier = 324, mlock2 = 325, copy_file_range = 326, preadv2 = 327, pwritev2 = 328, pkey_mprotect = 329, pkey_alloc = 330, pkey_free = 331, statx = 332, io_pgetevents = 333, rseq = 334, pidfd_send_signal = 424, io_uring_setup = 425, io_uring_enter = 426, io_uring_register = 427, open_tree = 428, move_mount = 429, fsopen = 430, fsconfig = 431, fsmount = 432, fspick = 433, pidfd_open = 434, clone3 = 435, close_range = 436, openat2 = 437, pidfd_getfd = 438, faccessat2 = 439, process_madvise = 440, epoll_pwait2 = 441, mount_setattr = 442, landlock_create_ruleset = 444, landlock_add_rule = 445, landlock_restrict_self = 446, memfd_secret = 447, _, }; pub const O = struct { pub const CREAT = 0o100; pub const EXCL = 0o200; pub const NOCTTY = 0o400; pub const TRUNC = 0o1000; pub const APPEND = 0o2000; pub const NONBLOCK = 0o4000; pub const DSYNC = 0o10000; pub const SYNC = 0o4010000; pub const RSYNC = 0o4010000; pub const DIRECTORY = 0o200000; pub const NOFOLLOW = 0o400000; pub const CLOEXEC = 0o2000000; pub const ASYNC = 0o20000; pub const DIRECT = 0o40000; pub const LARGEFILE = 0; pub const NOATIME = 0o1000000; pub const PATH = 0o10000000; pub const TMPFILE = 0o20200000; pub const NDELAY = NONBLOCK; }; pub const F = struct { pub const DUPFD = 0; pub const GETFD = 1; pub const SETFD = 2; pub const GETFL = 3; pub const SETFL = 4; pub const GETLK = 5; pub const SETLK = 6; pub const SETLKW = 7; pub const SETOWN = 8; pub const GETOWN = 9; pub const SETSIG = 10; pub const GETSIG = 11; pub const SETOWN_EX = 15; pub const GETOWN_EX = 16; pub const GETOWNER_UIDS = 17; pub const RDLCK = 0; pub const WRLCK = 1; pub const UNLCK = 2; }; pub const MAP = struct { /// only give out 32bit addresses pub const @"32BIT" = 0x40; /// stack-like segment pub const GROWSDOWN = 0x0100; /// ETXTBSY pub const DENYWRITE = 0x0800; /// mark it as an executable pub const EXECUTABLE = 0x1000; /// pages are locked pub const LOCKED = 0x2000; /// don't check for reservations pub const NORESERVE = 0x4000; }; pub const VDSO = struct { pub const CGT_SYM = "__vdso_clock_gettime"; pub const CGT_VER = "LINUX_2.6"; pub const GETCPU_SYM = "__vdso_getcpu"; pub const GETCPU_VER = "LINUX_2.6"; }; pub const ARCH = struct { pub const SET_GS = 0x1001; pub const SET_FS = 0x1002; pub const GET_FS = 0x1003; pub const GET_GS = 0x1004; }; pub const REG = struct { pub const R8 = 0; pub const R9 = 1; pub const R10 = 2; pub const R11 = 3; pub const R12 = 4; pub const R13 = 5; pub const R14 = 6; pub const R15 = 7; pub const RDI = 8; pub const RSI = 9; pub const RBP = 10; pub const RBX = 11; pub const RDX = 12; pub const RAX = 13; pub const RCX = 14; pub const RSP = 15; pub const RIP = 16; pub const EFL = 17; pub const CSGSFS = 18; pub const ERR = 19; pub const TRAPNO = 20; pub const OLDMASK = 21; pub const CR2 = 22; }; pub const LOCK = struct { pub const SH = 1; pub const EX = 2; pub const NB = 4; pub const UN = 8; }; pub const Flock = extern struct { type: i16, whence: i16, start: off_t, len: off_t, pid: pid_t, }; pub const msghdr = extern struct { name: ?*sockaddr, namelen: socklen_t, iov: [*]iovec, iovlen: i32, __pad1: i32 = 0, control: ?*c_void, controllen: socklen_t, __pad2: socklen_t = 0, flags: i32, }; pub const msghdr_const = extern struct { name: ?*const sockaddr, namelen: socklen_t, iov: [*]iovec_const, iovlen: i32, __pad1: i32 = 0, control: ?*c_void, controllen: socklen_t, __pad2: socklen_t = 0, flags: i32, }; pub const off_t = i64; pub const ino_t = u64; pub const dev_t = u64; // The `stat` definition used by the Linux kernel. pub const Stat = extern struct { dev: dev_t, ino: ino_t, nlink: usize, mode: u32, uid: uid_t, gid: gid_t, __pad0: u32, rdev: dev_t, size: off_t, blksize: isize, blocks: i64, atim: timespec, mtim: timespec, ctim: timespec, __unused: [3]isize, pub fn atime(self: @This()) timespec { return self.atim; } pub fn mtime(self: @This()) timespec { return self.mtim; } pub fn ctime(self: @This()) timespec { return self.ctim; } }; pub const timeval = extern struct { tv_sec: isize, tv_usec: isize, }; pub const timezone = extern struct { tz_minuteswest: i32, tz_dsttime: i32, }; pub const Elf_Symndx = u32; pub const greg_t = usize; pub const gregset_t = [23]greg_t; pub const fpstate = extern struct { cwd: u16, swd: u16, ftw: u16, fop: u16, rip: usize, rdp: usize, mxcsr: u32, mxcr_mask: u32, st: [8]extern struct { significand: [4]u16, exponent: u16, padding: [3]u16 = undefined, }, xmm: [16]extern struct { element: [4]u32, }, padding: [24]u32 = undefined, }; pub const fpregset_t = *fpstate; pub const sigcontext = extern struct { r8: usize, r9: usize, r10: usize, r11: usize, r12: usize, r13: usize, r14: usize, r15: usize, rdi: usize, rsi: usize, rbp: usize, rbx: usize, rdx: usize, rax: usize, rcx: usize, rsp: usize, rip: usize, eflags: usize, cs: u16, gs: u16, fs: u16, pad0: u16 = undefined, err: usize, trapno: usize, oldmask: usize, cr2: usize, fpstate: *fpstate, reserved1: [8]usize = undefined, }; pub const mcontext_t = extern struct { gregs: gregset_t, fpregs: fpregset_t, reserved1: [8]usize = undefined, }; pub const ucontext_t = extern struct { flags: usize, link: *ucontext_t, stack: stack_t, mcontext: mcontext_t, sigmask: sigset_t, fpregs_mem: [64]usize, };