From d61e4ef8b00f8c66389c5bf614d701cafc23b1ae Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Wed, 16 Oct 2024 06:07:51 +0200
Subject: [PATCH] generate_linux_syscalls: Generate syscalls for x32.

Also update the syscalls file based on Linux 6.10. No diffs other than x32.
---
 lib/std/os/linux.zig              |  19 +-
 lib/std/os/linux/syscalls.zig     | 366 ++++++++++++++++++++++++++++++
 tools/generate_linux_syscalls.zig |  16 ++
 3 files changed, 393 insertions(+), 8 deletions(-)

diff --git a/lib/std/os/linux.zig b/lib/std/os/linux.zig
index f563264f07..43274671e1 100644
--- a/lib/std/os/linux.zig
+++ b/lib/std/os/linux.zig
@@ -122,17 +122,11 @@ pub const SECCOMP = @import("linux/seccomp.zig");
 
 pub const syscalls = @import("linux/syscalls.zig");
 pub const SYS = switch (@import("builtin").cpu.arch) {
-    .x86 => syscalls.X86,
-    .x86_64 => syscalls.X64,
-    .aarch64, .aarch64_be => syscalls.Arm64,
     .arc => syscalls.Arc,
     .arm, .armeb, .thumb, .thumbeb => syscalls.Arm,
+    .aarch64, .aarch64_be => syscalls.Arm64,
     .csky => syscalls.CSky,
     .hexagon => syscalls.Hexagon,
-    .riscv32 => syscalls.RiscV32,
-    .riscv64 => syscalls.RiscV64,
-    .sparc => syscalls.Sparc,
-    .sparc64 => syscalls.Sparc64,
     .loongarch64 => syscalls.LoongArch64,
     .m68k => syscalls.M68k,
     .mips, .mipsel => syscalls.MipsO32,
@@ -140,9 +134,18 @@ pub const SYS = switch (@import("builtin").cpu.arch) {
         .gnuabin32, .muslabin32 => syscalls.MipsN32,
         else => syscalls.MipsN64,
     },
+    .riscv32 => syscalls.RiscV32,
+    .riscv64 => syscalls.RiscV64,
+    .s390x => syscalls.S390x,
+    .sparc => syscalls.Sparc,
+    .sparc64 => syscalls.Sparc64,
     .powerpc, .powerpcle => syscalls.PowerPC,
     .powerpc64, .powerpc64le => syscalls.PowerPC64,
-    .s390x => syscalls.S390x,
+    .x86 => syscalls.X86,
+    .x86_64 => switch (builtin.abi) {
+        .gnux32, .muslx32 => syscalls.X32,
+        else => syscalls.X64,
+    },
     .xtensa => syscalls.Xtensa,
     else => @compileError("The Zig Standard Library is missing syscall definitions for the target CPU architecture"),
 };
diff --git a/lib/std/os/linux/syscalls.zig b/lib/std/os/linux/syscalls.zig
index ef04387ea6..fbf3aada02 100644
--- a/lib/std/os/linux/syscalls.zig
+++ b/lib/std/os/linux/syscalls.zig
@@ -833,6 +833,372 @@ pub const X64 = enum(usize) {
     mseal = 462,
 };
 
+pub const X32 = 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_sigprocmask = 14,
+    pread64 = 17,
+    pwrite64 = 18,
+    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,
+    shutdown = 48,
+    bind = 49,
+    listen = 50,
+    getsockname = 51,
+    getpeername = 52,
+    socketpair = 53,
+    clone = 56,
+    fork = 57,
+    vfork = 58,
+    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,
+    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_sigsuspend = 130,
+    utime = 132,
+    mknod = 133,
+    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,
+    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,
+    init_module = 175,
+    delete_module = 176,
+    quotactl = 179,
+    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,
+    io_destroy = 207,
+    io_getevents = 208,
+    io_cancel = 210,
+    lookup_dcookie = 212,
+    epoll_create = 213,
+    remap_file_pages = 216,
+    getdents64 = 217,
+    set_tid_address = 218,
+    restart_syscall = 219,
+    semtimedop = 220,
+    fadvise64 = 221,
+    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,
+    mbind = 237,
+    set_mempolicy = 238,
+    get_mempolicy = 239,
+    mq_open = 240,
+    mq_unlink = 241,
+    mq_timedsend = 242,
+    mq_timedreceive = 243,
+    mq_getsetattr = 245,
+    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,
+    fstatat64 = 262,
+    unlinkat = 263,
+    renameat = 264,
+    linkat = 265,
+    symlinkat = 266,
+    readlinkat = 267,
+    fchmodat = 268,
+    faccessat = 269,
+    pselect6 = 270,
+    ppoll = 271,
+    unshare = 272,
+    splice = 275,
+    tee = 276,
+    sync_file_range = 277,
+    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,
+    perf_event_open = 298,
+    fanotify_init = 300,
+    fanotify_mark = 301,
+    prlimit64 = 302,
+    name_to_handle_at = 303,
+    open_by_handle_at = 304,
+    clock_adjtime = 305,
+    syncfs = 306,
+    setns = 308,
+    getcpu = 309,
+    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,
+    userfaultfd = 323,
+    membarrier = 324,
+    mlock2 = 325,
+    copy_file_range = 326,
+    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,
+    quotactl_fd = 443,
+    landlock_create_ruleset = 444,
+    landlock_add_rule = 445,
+    landlock_restrict_self = 446,
+    memfd_secret = 447,
+    process_mrelease = 448,
+    futex_waitv = 449,
+    set_mempolicy_home_node = 450,
+    cachestat = 451,
+    fchmodat2 = 452,
+    map_shadow_stack = 453,
+    futex_wake = 454,
+    futex_wait = 455,
+    futex_requeue = 456,
+    statmount = 457,
+    listmount = 458,
+    lsm_get_self_attr = 459,
+    lsm_set_self_attr = 460,
+    lsm_list_modules = 461,
+    mseal = 462,
+    rt_sigaction = 512,
+    rt_sigreturn = 513,
+    ioctl = 514,
+    readv = 515,
+    writev = 516,
+    recvfrom = 517,
+    sendmsg = 518,
+    recvmsg = 519,
+    execve = 520,
+    ptrace = 521,
+    rt_sigpending = 522,
+    rt_sigtimedwait = 523,
+    rt_sigqueueinfo = 524,
+    sigaltstack = 525,
+    timer_create = 526,
+    mq_notify = 527,
+    kexec_load = 528,
+    waitid = 529,
+    set_robust_list = 530,
+    get_robust_list = 531,
+    vmsplice = 532,
+    move_pages = 533,
+    preadv = 534,
+    pwritev = 535,
+    rt_tgsigqueueinfo = 536,
+    recvmmsg = 537,
+    sendmmsg = 538,
+    process_vm_readv = 539,
+    process_vm_writev = 540,
+    setsockopt = 541,
+    getsockopt = 542,
+    io_setup = 543,
+    io_submit = 544,
+    execveat = 545,
+    preadv2 = 546,
+    pwritev2 = 547,
+};
+
 pub const Arm = enum(usize) {
     const arm_base = 0x0f0000;
 
diff --git a/tools/generate_linux_syscalls.zig b/tools/generate_linux_syscalls.zig
index df1b5127df..38726e6501 100644
--- a/tools/generate_linux_syscalls.zig
+++ b/tools/generate_linux_syscalls.zig
@@ -162,6 +162,22 @@ const arch_infos = [_]ArchInfo{
             .additional_enum = null,
         },
     },
+    .{
+        .table = .{
+            .name = "x32",
+            .enum_name = "X32",
+            .file_path = "arch/x86/entry/syscalls/syscall_64.tbl",
+            .process_file = &processTableBasedArch,
+            .filters = .{
+                .abiCheckParams = .{ .abi = "64", .flow = .@"continue" },
+                .fixedName = &fixedName,
+                .isReservedNameOld = null,
+            },
+            .header = null,
+            .extra_values = null,
+            .additional_enum = null,
+        },
+    },
     .{
         .table = .{
             .name = "arm",