Merge remote-tracking branch 'origin/master' into llvm14

1 files changed, 29 insertions, 427 deletions

diff --git a/lib/std/os/linux/powerpc64.zig b/lib/std/os/linux/powerpc64.zig
index 165ca848c6..329674cd72 100644
--- a/lib/std/os/linux/powerpc64.zig
+++ b/lib/std/os/linux/powerpc64.zig
@@ -1,9 +1,10 @@
 const std = @import("../../std.zig");
 const maxInt = std.math.maxInt;
 const linux = std.os.linux;
+const SYS = linux.SYS;
 const socklen_t = linux.socklen_t;
-const iovec = linux.iovec;
-const iovec_const = linux.iovec_const;
+const iovec = std.os.iovec;
+const iovec_const = std.os.iovec_const;
 const uid_t = linux.uid_t;
 const gid_t = linux.gid_t;
 const pid_t = linux.pid_t;
@@ -125,8 +126,13 @@ pub fn syscall6(
     );
 }
 
+const CloneFn = switch (@import("builtin").zig_backend) {
+    .stage1 => fn (arg: usize) callconv(.C) u8,
+    else => *const fn (arg: usize) callconv(.C) u8,
+};
+
 /// 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 extern fn clone(func: CloneFn, stack: usize, flags: usize, arg: usize, ptid: *i32, tls: usize, ctid: *i32) usize;
 
 pub const restore = restore_rt;
 
@@ -138,410 +144,6 @@ pub fn restore_rt() callconv(.Naked) void {
     );
 }
 
-pub const SYS = enum(usize) {
-    restart_syscall = 0,
-    exit = 1,
-    fork = 2,
-    read = 3,
-    write = 4,
-    open = 5,
-    close = 6,
-    waitpid = 7,
-    creat = 8,
-    link = 9,
-    unlink = 10,
-    execve = 11,
-    chdir = 12,
-    time = 13,
-    mknod = 14,
-    chmod = 15,
-    lchown = 16,
-    @"break" = 17,
-    oldstat = 18,
-    lseek = 19,
-    getpid = 20,
-    mount = 21,
-    umount = 22,
-    setuid = 23,
-    getuid = 24,
-    stime = 25,
-    ptrace = 26,
-    alarm = 27,
-    oldfstat = 28,
-    pause = 29,
-    utime = 30,
-    stty = 31,
-    gtty = 32,
-    access = 33,
-    nice = 34,
-    ftime = 35,
-    sync = 36,
-    kill = 37,
-    rename = 38,
-    mkdir = 39,
-    rmdir = 40,
-    dup = 41,
-    pipe = 42,
-    times = 43,
-    prof = 44,
-    brk = 45,
-    setgid = 46,
-    getgid = 47,
-    signal = 48,
-    geteuid = 49,
-    getegid = 50,
-    acct = 51,
-    umount2 = 52,
-    lock = 53,
-    ioctl = 54,
-    fcntl = 55,
-    mpx = 56,
-    setpgid = 57,
-    ulimit = 58,
-    oldolduname = 59,
-    umask = 60,
-    chroot = 61,
-    ustat = 62,
-    dup2 = 63,
-    getppid = 64,
-    getpgrp = 65,
-    setsid = 66,
-    sigaction = 67,
-    sgetmask = 68,
-    ssetmask = 69,
-    setreuid = 70,
-    setregid = 71,
-    sigsuspend = 72,
-    sigpending = 73,
-    sethostname = 74,
-    setrlimit = 75,
-    getrlimit = 76,
-    getrusage = 77,
-    gettimeofday = 78,
-    settimeofday = 79,
-    getgroups = 80,
-    setgroups = 81,
-    select = 82,
-    symlink = 83,
-    oldlstat = 84,
-    readlink = 85,
-    uselib = 86,
-    swapon = 87,
-    reboot = 88,
-    readdir = 89,
-    mmap = 90,
-    munmap = 91,
-    truncate = 92,
-    ftruncate = 93,
-    fchmod = 94,
-    fchown = 95,
-    getpriority = 96,
-    setpriority = 97,
-    profil = 98,
-    statfs = 99,
-    fstatfs = 100,
-    ioperm = 101,
-    socketcall = 102,
-    syslog = 103,
-    setitimer = 104,
-    getitimer = 105,
-    stat = 106,
-    lstat = 107,
-    fstat = 108,
-    olduname = 109,
-    iopl = 110,
-    vhangup = 111,
-    idle = 112,
-    vm86 = 113,
-    wait4 = 114,
-    swapoff = 115,
-    sysinfo = 116,
-    ipc = 117,
-    fsync = 118,
-    sigreturn = 119,
-    clone = 120,
-    setdomainname = 121,
-    uname = 122,
-    modify_ldt = 123,
-    adjtimex = 124,
-    mprotect = 125,
-    sigprocmask = 126,
-    create_module = 127,
-    init_module = 128,
-    delete_module = 129,
-    get_kernel_syms = 130,
-    quotactl = 131,
-    getpgid = 132,
-    fchdir = 133,
-    bdflush = 134,
-    sysfs = 135,
-    personality = 136,
-    afs_syscall = 137,
-    setfsuid = 138,
-    setfsgid = 139,
-    _llseek = 140,
-    getdents = 141,
-    _newselect = 142,
-    flock = 143,
-    msync = 144,
-    readv = 145,
-    writev = 146,
-    getsid = 147,
-    fdatasync = 148,
-    _sysctl = 149,
-    mlock = 150,
-    munlock = 151,
-    mlockall = 152,
-    munlockall = 153,
-    sched_setparam = 154,
-    sched_getparam = 155,
-    sched_setscheduler = 156,
-    sched_getscheduler = 157,
-    sched_yield = 158,
-    sched_get_priority_max = 159,
-    sched_get_priority_min = 160,
-    sched_rr_get_interval = 161,
-    nanosleep = 162,
-    mremap = 163,
-    setresuid = 164,
-    getresuid = 165,
-    query_module = 166,
-    poll = 167,
-    nfsservctl = 168,
-    setresgid = 169,
-    getresgid = 170,
-    prctl = 171,
-    rt_sigreturn = 172,
-    rt_sigaction = 173,
-    rt_sigprocmask = 174,
-    rt_sigpending = 175,
-    rt_sigtimedwait = 176,
-    rt_sigqueueinfo = 177,
-    rt_sigsuspend = 178,
-    pread64 = 179,
-    pwrite64 = 180,
-    chown = 181,
-    getcwd = 182,
-    capget = 183,
-    capset = 184,
-    sigaltstack = 185,
-    sendfile = 186,
-    getpmsg = 187,
-    putpmsg = 188,
-    vfork = 189,
-    ugetrlimit = 190,
-    readahead = 191,
-    pciconfig_read = 198,
-    pciconfig_write = 199,
-    pciconfig_iobase = 200,
-    multiplexer = 201,
-    getdents64 = 202,
-    pivot_root = 203,
-    madvise = 205,
-    mincore = 206,
-    gettid = 207,
-    tkill = 208,
-    setxattr = 209,
-    lsetxattr = 210,
-    fsetxattr = 211,
-    getxattr = 212,
-    lgetxattr = 213,
-    fgetxattr = 214,
-    listxattr = 215,
-    llistxattr = 216,
-    flistxattr = 217,
-    removexattr = 218,
-    lremovexattr = 219,
-    fremovexattr = 220,
-    futex = 221,
-    sched_setaffinity = 222,
-    sched_getaffinity = 223,
-    tuxcall = 225,
-    io_setup = 227,
-    io_destroy = 228,
-    io_getevents = 229,
-    io_submit = 230,
-    io_cancel = 231,
-    set_tid_address = 232,
-    fadvise64 = 233,
-    exit_group = 234,
-    lookup_dcookie = 235,
-    epoll_create = 236,
-    epoll_ctl = 237,
-    epoll_wait = 238,
-    remap_file_pages = 239,
-    timer_create = 240,
-    timer_settime = 241,
-    timer_gettime = 242,
-    timer_getoverrun = 243,
-    timer_delete = 244,
-    clock_settime = 245,
-    clock_gettime = 246,
-    clock_getres = 247,
-    clock_nanosleep = 248,
-    swapcontext = 249,
-    tgkill = 250,
-    utimes = 251,
-    statfs64 = 252,
-    fstatfs64 = 253,
-    rtas = 255,
-    sys_debug_setcontext = 256,
-    migrate_pages = 258,
-    mbind = 259,
-    get_mempolicy = 260,
-    set_mempolicy = 261,
-    mq_open = 262,
-    mq_unlink = 263,
-    mq_timedsend = 264,
-    mq_timedreceive = 265,
-    mq_notify = 266,
-    mq_getsetattr = 267,
-    kexec_load = 268,
-    add_key = 269,
-    request_key = 270,
-    keyctl = 271,
-    waitid = 272,
-    ioprio_set = 273,
-    ioprio_get = 274,
-    inotify_init = 275,
-    inotify_add_watch = 276,
-    inotify_rm_watch = 277,
-    spu_run = 278,
-    spu_create = 279,
-    pselect6 = 280,
-    ppoll = 281,
-    unshare = 282,
-    splice = 283,
-    tee = 284,
-    vmsplice = 285,
-    openat = 286,
-    mkdirat = 287,
-    mknodat = 288,
-    fchownat = 289,
-    futimesat = 290,
-    fstatat = 291,
-    unlinkat = 292,
-    renameat = 293,
-    linkat = 294,
-    symlinkat = 295,
-    readlinkat = 296,
-    fchmodat = 297,
-    faccessat = 298,
-    get_robust_list = 299,
-    set_robust_list = 300,
-    move_pages = 301,
-    getcpu = 302,
-    epoll_pwait = 303,
-    utimensat = 304,
-    signalfd = 305,
-    timerfd_create = 306,
-    eventfd = 307,
-    sync_file_range = 308,
-    fallocate = 309,
-    subpage_prot = 310,
-    timerfd_settime = 311,
-    timerfd_gettime = 312,
-    signalfd4 = 313,
-    eventfd2 = 314,
-    epoll_create1 = 315,
-    dup3 = 316,
-    pipe2 = 317,
-    inotify_init1 = 318,
-    perf_event_open = 319,
-    preadv = 320,
-    pwritev = 321,
-    rt_tgsigqueueinfo = 322,
-    fanotify_init = 323,
-    fanotify_mark = 324,
-    prlimit64 = 325,
-    socket = 326,
-    bind = 327,
-    connect = 328,
-    listen = 329,
-    accept = 330,
-    getsockname = 331,
-    getpeername = 332,
-    socketpair = 333,
-    send = 334,
-    sendto = 335,
-    recv = 336,
-    recvfrom = 337,
-    shutdown = 338,
-    setsockopt = 339,
-    getsockopt = 340,
-    sendmsg = 341,
-    recvmsg = 342,
-    recvmmsg = 343,
-    accept4 = 344,
-    name_to_handle_at = 345,
-    open_by_handle_at = 346,
-    clock_adjtime = 347,
-    syncfs = 348,
-    sendmmsg = 349,
-    setns = 350,
-    process_vm_readv = 351,
-    process_vm_writev = 352,
-    finit_module = 353,
-    kcmp = 354,
-    sched_setattr = 355,
-    sched_getattr = 356,
-    renameat2 = 357,
-    seccomp = 358,
-    getrandom = 359,
-    memfd_create = 360,
-    bpf = 361,
-    execveat = 362,
-    switch_endian = 363,
-    userfaultfd = 364,
-    membarrier = 365,
-    mlock2 = 378,
-    copy_file_range = 379,
-    preadv2 = 380,
-    pwritev2 = 381,
-    kexec_file_load = 382,
-    statx = 383,
-    pkey_alloc = 384,
-    pkey_free = 385,
-    pkey_mprotect = 386,
-    rseq = 387,
-    io_pgetevents = 388,
-    semtimedop = 392,
-    semget = 393,
-    semctl = 394,
-    shmget = 395,
-    shmctl = 396,
-    shmat = 397,
-    shmdt = 398,
-    msgget = 399,
-    msgsnd = 400,
-    msgrcv = 401,
-    msgctl = 402,
-    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,
-
-    _,
-};
-
 pub const O = struct {
     pub const CREAT = 0o100;
     pub const EXCL = 0o200;
@@ -617,32 +219,32 @@ pub const VDSO = struct {
 };
 
 pub const Flock = extern struct {
-    l_type: i16,
-    l_whence: i16,
-    l_start: off_t,
-    l_len: off_t,
-    l_pid: pid_t,
+    type: i16,
+    whence: i16,
+    start: off_t,
+    len: off_t,
+    pid: pid_t,
     __unused: [4]u8,
 };
 
 pub const msghdr = extern struct {
-    msg_name: ?*sockaddr,
-    msg_namelen: socklen_t,
-    msg_iov: [*]iovec,
-    msg_iovlen: usize,
-    msg_control: ?*anyopaque,
-    msg_controllen: usize,
-    msg_flags: i32,
+    name: ?*sockaddr,
+    namelen: socklen_t,
+    iov: [*]iovec,
+    iovlen: usize,
+    control: ?*anyopaque,
+    controllen: usize,
+    flags: i32,
 };
 
 pub const msghdr_const = extern struct {
-    msg_name: ?*const sockaddr,
-    msg_namelen: socklen_t,
-    msg_iov: [*]iovec_const,
-    msg_iovlen: usize,
-    msg_control: ?*anyopaque,
-    msg_controllen: usize,
-    msg_flags: i32,
+    name: ?*const sockaddr,
+    namelen: socklen_t,
+    iov: [*]const iovec_const,
+    iovlen: usize,
+    control: ?*const anyopaque,
+    controllen: usize,
+    flags: i32,
 };
 
 pub const blksize_t = i64;
@@ -727,7 +329,7 @@ pub const mcontext_t = extern struct {
 
 pub const ucontext_t = extern struct {
     flags: u32,
-    link: *ucontext_t,
+    link: ?*ucontext_t,
     stack: stack_t,
     sigmask: sigset_t,
     mcontext: mcontext_t,