diff --git a/lib/std/Thread.zig b/lib/std/Thread.zig
index 338d17a487a1526c7cac741f92c8628735b79736..caa22ea4cb4548363d40007e4e2b58a4e829cec8 100644
--- a/lib/std/Thread.zig
+++ b/lib/std/Thread.zig
@@ -1217,8 +1217,8 @@ const LinuxThreadImpl = struct {
                     \\ ldi $16, 0
                     \\ callsys
                     :
-                    : [ptr] "{r16}" (@intFromPtr(self.mapped.ptr)),
-                      [len] "{r17}" (self.mapped.len),
+                    : [ptr] "{$16}" (@intFromPtr(self.mapped.ptr)),
+                      [len] "{$17}" (self.mapped.len),
                 ),
                 .hexagon => asm volatile (
                     \\  r6 = #215 // SYS_munmap
diff --git a/lib/std/debug/Dwarf.zig b/lib/std/debug/Dwarf.zig
index 126b55d5d87be33eab8212dc289616186fbe78ba..28d83d463bd9eef5b0edf815ff132b1c24d35c92 100644
--- a/lib/std/debug/Dwarf.zig
+++ b/lib/std/debug/Dwarf.zig
@@ -1436,6 +1436,7 @@ pub fn compactUnwindToDwarfRegNumber(unwind_reg_number: u3) !u16 {
 pub fn ipRegNum(arch: std.Target.Cpu.Arch) ?u16 {
     return switch (arch) {
         .aarch64, .aarch64_be => 32,
+        .alpha => 64,
         .arc, .arceb => 160,
         .arm, .armeb, .thumb, .thumbeb => 15,
         .csky => 64,
@@ -1460,6 +1461,7 @@ pub fn ipRegNum(arch: std.Target.Cpu.Arch) ?u16 {
 pub fn fpRegNum(arch: std.Target.Cpu.Arch) u16 {
     return switch (arch) {
         .aarch64, .aarch64_be => 29,
+        .alpha => 15,
         .arc, .arceb => 27,
         .arm, .armeb, .thumb, .thumbeb => 11,
         .csky => 14,
@@ -1484,6 +1486,7 @@ pub fn fpRegNum(arch: std.Target.Cpu.Arch) u16 {
 pub fn spRegNum(arch: std.Target.Cpu.Arch) u16 {
     return switch (arch) {
         .aarch64, .aarch64_be => 31,
+        .alpha => 30,
         .arc, .arceb => 28,
         .arm, .armeb, .thumb, .thumbeb => 13,
         .csky => 14,
diff --git a/lib/std/debug/cpu_context.zig b/lib/std/debug/cpu_context.zig
index 2c6355531b91abecf86f1b663220f7c406435b88..4766a124caa8bd2199320bb1f8c2bba8dff4b8a1 100644
--- a/lib/std/debug/cpu_context.zig
+++ b/lib/std/debug/cpu_context.zig
@@ -5,6 +5,7 @@ pub const Native = if (@hasDecl(root, "debug") and @hasDecl(root.debug, "CpuCont
     root.debug.CpuContext
 else switch (native_arch) {
     .aarch64, .aarch64_be => Aarch64,
+    .alpha => Alpha,
     .arc, .arceb => Arc,
     .arm, .armeb, .thumb, .thumbeb => Arm,
     .csky => Csky,
@@ -103,6 +104,10 @@ pub fn fromPosixSignalContext(ctx_ptr: ?*const anyopaque) ?Native {
             .sp = uc.mcontext.sp,
             .pc = uc.mcontext.pc,
         },
+        .alpha => .{
+            .r = uc.mcontext.r,
+            .pc = uc.mcontext.pc,
+        },
         .csky => .{
             .r = uc.mcontext.r0_13 ++
                 [_]u32{ uc.mcontext.r14, uc.mcontext.r15 } ++
@@ -293,6 +298,75 @@ const Aarch64 = extern struct {
     }
 };
 
+const Alpha = extern struct {
+    /// The numbered general-purpose registers R0 - R31.
+    r: [32]u64,
+    pc: u64,
+
+    pub inline fn current() Alpha {
+        var ctx: Alpha = undefined;
+        asm volatile (
+            \\ stq $0 , 0x000($0)
+            \\ stq $1 , 0x008($0)
+            \\ stq $2 , 0x010($0)
+            \\ stq $3 , 0x018($0)
+            \\ stq $4 , 0x020($0)
+            \\ stq $5 , 0x028($0)
+            \\ stq $6 , 0x030($0)
+            \\ stq $7 , 0x038($0)
+            \\ stq $8 , 0x040($0)
+            \\ stq $9 , 0x048($0)
+            \\ stq $10, 0x050($0)
+            \\ stq $11, 0x058($0)
+            \\ stq $12, 0x060($0)
+            \\ stq $13, 0x068($0)
+            \\ stq $14, 0x070($0)
+            \\ stq $15, 0x078($0)
+            \\ stq $16, 0x080($0)
+            \\ stq $17, 0x088($0)
+            \\ stq $18, 0x090($0)
+            \\ stq $19, 0x098($0)
+            \\ stq $20, 0x0a0($0)
+            \\ stq $21, 0x0a8($0)
+            \\ stq $22, 0x0b0($0)
+            \\ stq $23, 0x0b8($0)
+            \\ stq $24, 0x0c0($0)
+            \\ stq $25, 0x0c8($0)
+            \\ stq $26, 0x0d0($0)
+            \\ stq $27, 0x0d8($0)
+            \\ stq $28, 0x0e0($0)
+            \\ stq $29, 0x0e8($0)
+            \\ stq $30, 0x0f0($0)
+            \\
+            \\ br $1, 1f
+            \\1:
+            \\ stq $1, 0x100($0)
+            :
+            : [ctx] "{r0}" (&ctx),
+            : .{ .r1 = true, .memory = true });
+        return ctx;
+    }
+
+    pub fn getFp(ctx: *const Alpha) u64 {
+        return ctx.r[15];
+    }
+    pub fn getPc(ctx: *const Alpha) u64 {
+        return ctx.pc;
+    }
+
+    pub fn dwarfRegisterBytes(ctx: *Aarch64, register_num: u16) DwarfRegisterError![]u8 {
+        switch (register_num) {
+            0...31 => return @ptrCast(&ctx.r[register_num]),
+            64 => return @ptrCast(&ctx.pc),
+
+            32...63 => return error.UnsupportedRegister, // f0 - f31
+            66 => return error.UnsupportedRegister, // uniq
+
+            else => return error.InvalidRegister,
+        }
+    }
+};
+
 /// This is an `extern struct` so that inline assembly in `current` can use field offsets.
 const Arc = extern struct {
     /// The numbered general-purpose registers r0 - r31.
diff --git a/lib/std/os/linux.zig b/lib/std/os/linux.zig
index 0df906340ef804685e6bca37df379b1fddb8ec4d..1b07a0d136289e72bbfcf7e5f61efa61bded7d43 100644
--- a/lib/std/os/linux.zig
+++ b/lib/std/os/linux.zig
@@ -31,6 +31,7 @@ test {
 
 const arch_bits = switch (native_arch) {
     .aarch64, .aarch64_be => @import("linux/aarch64.zig"),
+    .alpha => @import("linux/alpha.zig"),
     .arc, .arceb => @import("linux/arc.zig"),
     .arm, .armeb, .thumb, .thumbeb => @import("linux/arm.zig"),
     .hexagon => @import("linux/hexagon.zig"),
@@ -124,6 +125,7 @@ pub const syscalls = @import("linux/syscalls.zig");
 pub const SYS = switch (native_arch) {
     .arc, .arceb => syscalls.Arc,
     .aarch64, .aarch64_be => syscalls.Arm64,
+    .alpha => syscalls.Alpha,
     .arm, .armeb, .thumb, .thumbeb => syscalls.Arm,
     .csky => syscalls.CSky,
     .hexagon => syscalls.Hexagon,
@@ -311,6 +313,30 @@ pub const MAP = switch (native_arch) {
         UNINITIALIZED: bool = false,
         _: u5 = 0,
     },
+    .alpha => packed struct(u32) {
+        TYPE: MAP_TYPE,
+        ANONYMOUS: bool = false,
+        _3: u1 = 0,
+        _4: u1 = 0,
+        _5: u1 = 0,
+        FIXED: bool = false,
+        _7: u1 = 0,
+        _8: u1 = 0,
+        _9: u1 = 0,
+        GROWSDOWN: bool = false,
+        DENYWRITE: bool = false,
+        EXECUTABLE: bool = false,
+        LOCKED: bool = false,
+        NORESERVE: bool = false,
+        POPULATE: bool = false,
+        NONBLOCK: bool = false,
+        STACK: bool = false,
+        HUGHETLB: bool = false,
+        FIXED_NOREPLACE: bool = false,
+        _19: u4 = 0,
+        _20: u1 = 0,
+        _: u5 = 0,
+    },
     else => @compileError("missing std.os.linux.MAP constants for this architecture"),
 };
 
@@ -520,6 +546,29 @@ pub const O = switch (native_arch) {
         PATH: bool = false,
         _22: u10 = 0,
     },
+    .alpha => packed struct(u32) {
+        ACCMODE: ACCMODE = .RDONLY,
+        NONBLOCK: bool = false,
+        APPEND: bool = false,
+        _4: u5 = 0,
+        CREAT: bool = false,
+        TRUNC: bool = false,
+        EXCL: bool = false,
+        NOCTTY: bool = false,
+        _9: u1 = 0,
+        DSYNC: bool = false,
+        DIRECTORY: bool = false,
+        NOFOLLOW: bool = false,
+        LARGEFILE: bool = false,
+        _14: u1 = 0,
+        DIRECT: bool = false,
+        NOATIME: bool = false,
+        CLOEXEC: bool = false,
+        SYNC: bool = false,
+        PATH: bool = false,
+        TMPFILE: bool = false,
+        _: u7 = 0,
+    },
     else => @compileError("missing std.os.linux.O constants for this architecture"),
 };
 
@@ -2217,7 +2266,10 @@ pub fn getsid(pid: pid_t) usize {
 
 pub fn getpid() pid_t {
     // Casts result to a pid_t, safety-checking >= 0, because getpid() cannot fail
-    return @intCast(@as(u32, @truncate(syscall0(.getpid))));
+    return @intCast(@as(u32, @truncate(syscall0(comptime switch (native_arch) {
+        .alpha => .getxpid,
+        else => .getpid,
+    }))));
 }
 
 pub fn getppid() pid_t {
@@ -4061,6 +4113,51 @@ pub const SIG = if (is_mips) enum(u32) {
     USR1 = 30,
     USR2 = 31,
     _,
+} else if (native_arch == .alpha) enum(u32) {
+    pub const BLOCK = 1;
+    pub const UNBLOCK = 2;
+    pub const SETMASK = 3;
+
+    pub const ERR: ?Sigaction.handler_fn = @ptrFromInt(maxInt(usize));
+    pub const DFL: ?Sigaction.handler_fn = @ptrFromInt(0);
+    pub const IGN: ?Sigaction.handler_fn = @ptrFromInt(1);
+
+    pub const POLL: SIG = .IO;
+    pub const PWR: SIG = .INFO;
+    pub const IOT: SIG = .ABRT;
+
+    HUP = 1,
+    INT = 2,
+    QUIT = 3,
+    ILL = 4,
+    TRAP = 5,
+    ABRT = 6,
+    EMT = 7,
+    FPE = 8,
+    KILL = 9,
+    BUS = 10,
+    SEGV = 11,
+    SYS = 12,
+    PIPE = 13,
+    ALRM = 14,
+    TERM = 15,
+    URG = 16,
+    STOP = 17,
+    TSTP = 18,
+    CONT = 19,
+    CHLD = 20,
+    TTIN = 21,
+    TTOU = 22,
+    IO = 23,
+    XCPU = 24,
+    XFSZ = 25,
+    VTALRM = 26,
+    PROF = 27,
+    WINCH = 28,
+    INFO = 29,
+    USR1 = 30,
+    USR2 = 31,
+    _,
 } else enum(u32) {
     pub const BLOCK = 0;
     pub const UNBLOCK = 1;
diff --git a/lib/std/os/linux/alpha.zig b/lib/std/os/linux/alpha.zig
new file mode 100644
index 0000000000000000000000000000000000000000..20bf4bd14bbceacc74e2e9328dcfac74c7603b46
--- /dev/null
+++ b/lib/std/os/linux/alpha.zig
@@ -0,0 +1,358 @@
+const builtin = @import("builtin");
+const std = @import("../../std.zig");
+const SYS = std.os.linux.SYS;
+
+pub fn syscall0(number: SYS) u64 {
+    return asm volatile (
+        \\ callsys
+        \\ beq $19, 1f
+        \\ negq $0, $0
+        \\1:
+        : [ret] "={$0}" (-> u64),
+        : [number] "{$0}" (number),
+        : .{
+          .r1 = true,
+          .r2 = true,
+          .r3 = true,
+          .r4 = true,
+          .r5 = true,
+          .r6 = true,
+          .r7 = true,
+          .r8 = true,
+          .r22 = true,
+          .r23 = true,
+          .r24 = true,
+          .r25 = true,
+          .r27 = true,
+          .r28 = true,
+          .memory = true,
+          .r16 = true,
+          .r17 = true,
+          .r18 = true,
+          .r20 = true,
+          .r21 = true,
+        });
+}
+
+pub fn syscall1(number: SYS, arg1: u64) u64 {
+    // These registers are both inputs and clobbers.
+    var r16_out: u64 = undefined;
+    return asm volatile (
+        \\ callsys
+        \\ beq $19, 1f
+        \\ negq $0, $0
+        \\1:
+        : [ret] "={$0}" (-> u64),
+          [r16_out] "={$16}" (r16_out),
+        : [number] "{$0}" (number),
+          [arg1] "{$16}" (arg1),
+        : .{
+          .r1 = true,
+          .r2 = true,
+          .r3 = true,
+          .r4 = true,
+          .r5 = true,
+          .r6 = true,
+          .r7 = true,
+          .r8 = true,
+          .r22 = true,
+          .r23 = true,
+          .r24 = true,
+          .r25 = true,
+          .r27 = true,
+          .r28 = true,
+          .memory = true,
+          .r17 = true,
+          .r18 = true,
+          .r20 = true,
+          .r21 = true,
+        });
+}
+
+pub fn syscall2(number: SYS, arg1: u64, arg2: u64) u64 {
+    // These registers are both inputs and clobbers.
+    var r16_out: u64 = undefined;
+    var r17_out: u64 = undefined;
+    return asm volatile (
+        \\ callsys
+        \\ beq $19, 1f
+        \\ negq $0, $0
+        \\1:
+        : [ret] "={$0}" (-> u64),
+          [r16_out] "={$16}" (r16_out),
+          [r17_out] "={$17}" (r17_out),
+        : [number] "{$0}" (number),
+          [arg1] "{$16}" (arg1),
+          [arg2] "{$17}" (arg2),
+        : .{
+          .r1 = true,
+          .r2 = true,
+          .r3 = true,
+          .r4 = true,
+          .r5 = true,
+          .r6 = true,
+          .r7 = true,
+          .r8 = true,
+          .r22 = true,
+          .r23 = true,
+          .r24 = true,
+          .r25 = true,
+          .r27 = true,
+          .r28 = true,
+          .memory = true,
+          .r18 = true,
+          .r20 = true,
+          .r21 = true,
+        });
+}
+
+pub fn syscall3(number: SYS, arg1: u64, arg2: u64, arg3: u64) u64 {
+    // These registers are both inputs and clobbers.
+    var r16_out: u64 = undefined;
+    var r17_out: u64 = undefined;
+    var r18_out: u64 = undefined;
+    return asm volatile (
+        \\ callsys
+        \\ beq $19, 1f
+        \\ negq $0, $0
+        \\1:
+        : [ret] "={$0}" (-> u64),
+          [r16_out] "={$16}" (r16_out),
+          [r17_out] "={$17}" (r17_out),
+          [r18_out] "={$18}" (r18_out),
+        : [number] "{$0}" (number),
+          [arg1] "{$16}" (arg1),
+          [arg2] "{$17}" (arg2),
+          [arg3] "{$18}" (arg3),
+        : .{
+          .r1 = true,
+          .r2 = true,
+          .r3 = true,
+          .r4 = true,
+          .r5 = true,
+          .r6 = true,
+          .r7 = true,
+          .r8 = true,
+          .r22 = true,
+          .r23 = true,
+          .r24 = true,
+          .r25 = true,
+          .r27 = true,
+          .r28 = true,
+          .memory = true,
+          .r20 = true,
+          .r21 = true,
+        });
+}
+
+pub fn syscall4(number: SYS, arg1: u64, arg2: u64, arg3: u64, arg4: u64) u64 {
+    // These registers are both inputs and clobbers.
+    var r16_out: u64 = undefined;
+    var r17_out: u64 = undefined;
+    var r18_out: u64 = undefined;
+    var r19_out: u64 = undefined;
+    return asm volatile (
+        \\ callsys
+        \\ beq $19, 1f
+        \\ negq $0, $0
+        \\1:
+        : [ret] "={$0}" (-> u64),
+          [r16_out] "={$16}" (r16_out),
+          [r17_out] "={$17}" (r17_out),
+          [r18_out] "={$18}" (r18_out),
+          [r19_out] "={$19}" (r19_out),
+        : [number] "{$0}" (number),
+          [arg1] "{$16}" (arg1),
+          [arg2] "{$17}" (arg2),
+          [arg3] "{$18}" (arg3),
+          [arg4] "{$19}" (arg4),
+        : .{
+          .r1 = true,
+          .r2 = true,
+          .r3 = true,
+          .r4 = true,
+          .r5 = true,
+          .r6 = true,
+          .r7 = true,
+          .r8 = true,
+          .r22 = true,
+          .r23 = true,
+          .r24 = true,
+          .r25 = true,
+          .r27 = true,
+          .r28 = true,
+          .memory = true,
+          .r20 = true,
+          .r21 = true,
+        });
+}
+
+pub fn syscall5(number: SYS, arg1: u64, arg2: u64, arg3: u64, arg4: u64, arg5: u64) u64 {
+    // These registers are both inputs and clobbers.
+    var r16_out: u64 = undefined;
+    var r17_out: u64 = undefined;
+    var r18_out: u64 = undefined;
+    var r19_out: u64 = undefined;
+    var r20_out: u64 = undefined;
+    return asm volatile (
+        \\ callsys
+        \\ beq $19, 1f
+        \\ negq $0, $0
+        \\1:
+        : [ret] "={$0}" (-> u64),
+          [r16_out] "={$16}" (r16_out),
+          [r17_out] "={$17}" (r17_out),
+          [r18_out] "={$18}" (r18_out),
+          [r19_out] "={$19}" (r19_out),
+          [r20_out] "={$20}" (r20_out),
+        : [number] "{$0}" (number),
+          [arg1] "{$16}" (arg1),
+          [arg2] "{$17}" (arg2),
+          [arg3] "{$18}" (arg3),
+          [arg4] "{$19}" (arg4),
+          [arg5] "{$20}" (arg5),
+        : .{
+          .r1 = true,
+          .r2 = true,
+          .r3 = true,
+          .r4 = true,
+          .r5 = true,
+          .r6 = true,
+          .r7 = true,
+          .r8 = true,
+          .r22 = true,
+          .r23 = true,
+          .r24 = true,
+          .r25 = true,
+          .r27 = true,
+          .r28 = true,
+          .memory = true,
+          .r21 = true,
+        });
+}
+
+pub fn syscall6(
+    number: SYS,
+    arg1: u64,
+    arg2: u64,
+    arg3: u64,
+    arg4: u64,
+    arg5: u64,
+    arg6: u64,
+) u64 {
+    // These registers are both inputs and clobbers.
+    var r16_out: u64 = undefined;
+    var r17_out: u64 = undefined;
+    var r18_out: u64 = undefined;
+    var r19_out: u64 = undefined;
+    var r20_out: u64 = undefined;
+    var r21_out: u64 = undefined;
+    return asm volatile (
+        \\ callsys
+        \\ beq $19, 1f
+        \\ negq $0, $0
+        \\1:
+        : [ret] "={$0}" (-> u64),
+          [r16_out] "={$16}" (r16_out),
+          [r17_out] "={$17}" (r17_out),
+          [r18_out] "={$18}" (r18_out),
+          [r19_out] "={$19}" (r19_out),
+          [r20_out] "={$20}" (r20_out),
+          [r21_out] "={$21}" (r21_out),
+        : [number] "{$0}" (number),
+          [arg1] "{$16}" (arg1),
+          [arg2] "{$17}" (arg2),
+          [arg3] "{$18}" (arg3),
+          [arg4] "{$19}" (arg4),
+          [arg5] "{$20}" (arg5),
+          [arg6] "{$21}" (arg6),
+        : .{
+          .r1 = true,
+          .r2 = true,
+          .r3 = true,
+          .r4 = true,
+          .r5 = true,
+          .r6 = true,
+          .r7 = true,
+          .r8 = true,
+          .r22 = true,
+          .r23 = true,
+          .r24 = true,
+          .r25 = true,
+          .r27 = true,
+          .r28 = true,
+          .memory = true,
+        });
+}
+
+pub fn clone() callconv(.naked) u64 {
+    // __clone(func, stack, flags, arg, ptid, tls, ctid)
+    //         a0,   a1,    a2,    a3,  a4,   a5,  +0
+    //
+    // syscall(SYS_clone, flags, stack, ptid, ctid, tls)
+    //         v0         a0,    a1,    a2,   a3,   a4
+    asm volatile (
+    // a0 = $16, a1 = $17, a2 = $18, a3 = $19,
+    // a4 = $20, a5 = $21, sp = $30, v0 = $0
+        \\ # Save function pointer and argument pointer on new thread stack
+        \\ ldi $1, -8
+        \\ and $17, $17, $1
+        \\ lda $17, -16($17)
+        \\ stq $16, 0($17)
+        \\ stq $19, 8($17)
+        \\
+        \\ # Shuffle (fn,sp,fl,arg,ptid,tls,ctid) to (fl,sp,ptid,ctid,tls)
+        \\ mov $18, $16
+        \\ mov $20, $18
+        \\ ldq $19, 0($30)
+        \\ mov $21, $20
+        \\
+        \\ # Actual syscall
+        \\ ldi $0, 312 # SYS_clone
+        \\ callsys
+        \\ beq $19, 1f
+        \\ negq $0, $0
+        \\ ret
+        \\1:
+        \\ beq $0, 2f
+        \\ ret
+        \\2:
+    );
+    if (builtin.unwind_tables != .none or !builtin.strip_debug_info) asm volatile (
+    // ra = $26
+        \\ .cfi_undefined $26
+    );
+    asm volatile (
+    // v0 = $0, t9 = $23, a0 = $16, ra = $26, sp = $30, fp = $15
+        \\ mov 0, $15
+        \\
+        \\ ldq $23, 0($30)
+        \\ ldq $16, 8($30)
+        \\ lda $30, 16($30)
+        \\ jsr $26, ($23)
+        \\
+        \\ mov $0, $16
+        \\ ldi $0, 1 # SYS_EXIT
+        \\ callsys
+    );
+}
+
+pub fn restore() noreturn {
+    asm volatile (
+    // v0 = $0, a0 = $16, sp = $30
+        \\ mov $30, $16
+        \\ ldi $0, 103 # SIGRETURN
+        \\ callsys
+    );
+}
+
+pub fn restore_rt() noreturn {
+    asm volatile (
+    // v0 = $0, a0 = $16, sp = $30
+        \\ mov $30, $16
+        \\ ldi $0, 351 # RT_SIGRETURN
+        \\ callsys
+    );
+}
+
+pub const VDSO = void;
diff --git a/lib/std/os/linux/syscalls.zig b/lib/std/os/linux/syscalls.zig
index afd41fc65b7c2097cccc059cb9b32a8bc9bec6fc..7b1bde6841ea837a2765616ff729ee59652132fb 100644
--- a/lib/std/os/linux/syscalls.zig
+++ b/lib/std/os/linux/syscalls.zig
@@ -5851,6 +5851,508 @@ pub const Xtensa = enum(usize) {
     rseq_slice_yield = 471,
 };
 
+pub const Alpha = enum(usize) {
+    osf_syscall = 0,
+    exit = 1,
+    fork = 2,
+    read = 3,
+    write = 4,
+    osf_old_open = 5,
+    close = 6,
+    osf_wait4 = 7,
+    osf_old_creat = 8,
+    link = 9,
+    unlink = 10,
+    osf_execve = 11,
+    chdir = 12,
+    fchdir = 13,
+    mknod = 14,
+    chmod = 15,
+    chown = 16,
+    brk = 17,
+    osf_getfsstat = 18,
+    lseek = 19,
+    getxpid = 20,
+    osf_mount = 21,
+    umount2 = 22,
+    setuid = 23,
+    getxuid = 24,
+    exec_with_loader = 25,
+    ptrace = 26,
+    osf_nrecvmsg = 27,
+    osf_nsendmsg = 28,
+    osf_nrecvfrom = 29,
+    osf_naccept = 30,
+    osf_ngetpeername = 31,
+    osf_ngetsockname = 32,
+    access = 33,
+    osf_chflags = 34,
+    osf_fchflags = 35,
+    sync = 36,
+    kill = 37,
+    osf_old_stat = 38,
+    setpgid = 39,
+    osf_old_lstat = 40,
+    dup = 41,
+    pipe = 42,
+    osf_set_program_attributes = 43,
+    osf_profil = 44,
+    open = 45,
+    osf_old_sigaction = 46,
+    getxgid = 47,
+    osf_sigprocmask = 48,
+    osf_getlogin = 49,
+    osf_setlogin = 50,
+    acct = 51,
+    sigpending = 52,
+    ioctl = 54,
+    osf_reboot = 55,
+    osf_revoke = 56,
+    symlink = 57,
+    readlink = 58,
+    execve = 59,
+    umask = 60,
+    chroot = 61,
+    osf_old_fstat = 62,
+    getpgrp = 63,
+    getpagesize = 64,
+    osf_mremap = 65,
+    vfork = 66,
+    stat = 67,
+    lstat = 68,
+    osf_sbrk = 69,
+    osf_sstk = 70,
+    mmap = 71,
+    osf_old_vadvise = 72,
+    munmap = 73,
+    mprotect = 74,
+    madvise = 75,
+    vhangup = 76,
+    osf_kmodcall = 77,
+    osf_mincore = 78,
+    getgroups = 79,
+    setgroups = 80,
+    osf_old_getpgrp = 81,
+    setpgrp = 82,
+    osf_setitimer = 83,
+    osf_old_wait = 84,
+    osf_table = 85,
+    osf_getitimer = 86,
+    gethostname = 87,
+    sethostname = 88,
+    getdtablesize = 89,
+    dup2 = 90,
+    fstat = 91,
+    fcntl = 92,
+    osf_select = 93,
+    poll = 94,
+    fsync = 95,
+    setpriority = 96,
+    socket = 97,
+    connect = 98,
+    accept = 99,
+    getpriority = 100,
+    send = 101,
+    recv = 102,
+    sigreturn = 103,
+    bind = 104,
+    setsockopt = 105,
+    listen = 106,
+    osf_plock = 107,
+    osf_old_sigvec = 108,
+    osf_old_sigblock = 109,
+    osf_old_sigsetmask = 110,
+    sigsuspend = 111,
+    osf_sigstack = 112,
+    recvmsg = 113,
+    sendmsg = 114,
+    osf_old_vtrace = 115,
+    osf_gettimeofday = 116,
+    osf_getrusage = 117,
+    getsockopt = 118,
+    readv = 120,
+    writev = 121,
+    osf_settimeofday = 122,
+    fchown = 123,
+    fchmod = 124,
+    recvfrom = 125,
+    setreuid = 126,
+    setregid = 127,
+    rename = 128,
+    truncate = 129,
+    ftruncate = 130,
+    flock = 131,
+    setgid = 132,
+    sendto = 133,
+    shutdown = 134,
+    socketpair = 135,
+    mkdir = 136,
+    rmdir = 137,
+    osf_utimes = 138,
+    osf_old_sigreturn = 139,
+    osf_adjtime = 140,
+    getpeername = 141,
+    osf_gethostid = 142,
+    osf_sethostid = 143,
+    getrlimit = 144,
+    setrlimit = 145,
+    osf_old_killpg = 146,
+    setsid = 147,
+    quotactl = 148,
+    osf_oldquota = 149,
+    getsockname = 150,
+    osf_pid_block = 153,
+    osf_pid_unblock = 154,
+    sigaction = 156,
+    osf_sigwaitprim = 157,
+    osf_nfssvc = 158,
+    osf_getdirentries = 159,
+    osf_statfs = 160,
+    osf_fstatfs = 161,
+    osf_asynch_daemon = 163,
+    osf_getfh = 164,
+    osf_getdomainname = 165,
+    setdomainname = 166,
+    osf_exportfs = 169,
+    osf_alt_plock = 181,
+    osf_getmnt = 184,
+    osf_alt_sigpending = 187,
+    osf_alt_setsid = 188,
+    osf_swapon = 199,
+    msgctl = 200,
+    msgget = 201,
+    msgrcv = 202,
+    msgsnd = 203,
+    semctl = 204,
+    semget = 205,
+    semop = 206,
+    osf_utsname = 207,
+    lchown = 208,
+    shmat = 209,
+    shmctl = 210,
+    shmdt = 211,
+    shmget = 212,
+    osf_mvalid = 213,
+    osf_getaddressconf = 214,
+    osf_msleep = 215,
+    osf_mwakeup = 216,
+    msync = 217,
+    osf_signal = 218,
+    osf_utc_gettime = 219,
+    osf_utc_adjtime = 220,
+    osf_security = 222,
+    osf_kloadcall = 223,
+    osf_stat = 224,
+    osf_lstat = 225,
+    osf_fstat = 226,
+    osf_statfs64 = 227,
+    osf_fstatfs64 = 228,
+    getpgid = 233,
+    getsid = 234,
+    sigaltstack = 235,
+    osf_waitid = 236,
+    osf_priocntlset = 237,
+    osf_sigsendset = 238,
+    osf_set_speculative = 239,
+    osf_msfs_syscall = 240,
+    osf_sysinfo = 241,
+    osf_uadmin = 242,
+    osf_fuser = 243,
+    osf_proplist_syscall = 244,
+    osf_ntp_adjtime = 245,
+    osf_ntp_gettime = 246,
+    osf_pathconf = 247,
+    osf_fpathconf = 248,
+    osf_uswitch = 250,
+    osf_usleep_thread = 251,
+    osf_audcntl = 252,
+    osf_audgen = 253,
+    sysfs = 254,
+    osf_subsys_info = 255,
+    osf_getsysinfo = 256,
+    osf_setsysinfo = 257,
+    osf_afs_syscall = 258,
+    osf_swapctl = 259,
+    osf_memcntl = 260,
+    osf_fdatasync = 261,
+    bdflush = 300,
+    sethae = 301,
+    mount = 302,
+    old_adjtimex = 303,
+    swapoff = 304,
+    getdents = 305,
+    create_module = 306,
+    init_module = 307,
+    delete_module = 308,
+    get_kernel_syms = 309,
+    syslog = 310,
+    reboot = 311,
+    clone = 312,
+    uselib = 313,
+    mlock = 314,
+    munlock = 315,
+    mlockall = 316,
+    munlockall = 317,
+    sysinfo = 318,
+    sysctl = 319,
+    oldumount = 321,
+    swapon = 322,
+    times = 323,
+    personality = 324,
+    setfsuid = 325,
+    setfsgid = 326,
+    ustat = 327,
+    statfs = 328,
+    fstatfs = 329,
+    sched_setparam = 330,
+    sched_getparam = 331,
+    sched_setscheduler = 332,
+    sched_getscheduler = 333,
+    sched_yield = 334,
+    sched_get_priority_max = 335,
+    sched_get_priority_min = 336,
+    sched_rr_get_interval = 337,
+    afs_syscall = 338,
+    uname = 339,
+    nanosleep = 340,
+    mremap = 341,
+    nfsservctl = 342,
+    setresuid = 343,
+    getresuid = 344,
+    pciconfig_read = 345,
+    pciconfig_write = 346,
+    query_module = 347,
+    prctl = 348,
+    pread64 = 349,
+    pwrite64 = 350,
+    rt_sigreturn = 351,
+    rt_sigaction = 352,
+    rt_sigprocmask = 353,
+    rt_sigpending = 354,
+    rt_sigtimedwait = 355,
+    rt_sigqueueinfo = 356,
+    rt_sigsuspend = 357,
+    select = 358,
+    gettimeofday = 359,
+    settimeofday = 360,
+    getitimer = 361,
+    setitimer = 362,
+    utimes = 363,
+    getrusage = 364,
+    wait4 = 365,
+    adjtimex = 366,
+    getcwd = 367,
+    capget = 368,
+    capset = 369,
+    sendfile = 370,
+    setresgid = 371,
+    getresgid = 372,
+    dipc = 373,
+    pivot_root = 374,
+    mincore = 375,
+    pciconfig_iobase = 376,
+    getdents64 = 377,
+    gettid = 378,
+    readahead = 379,
+    tkill = 381,
+    setxattr = 382,
+    lsetxattr = 383,
+    fsetxattr = 384,
+    getxattr = 385,
+    lgetxattr = 386,
+    fgetxattr = 387,
+    listxattr = 388,
+    llistxattr = 389,
+    flistxattr = 390,
+    removexattr = 391,
+    lremovexattr = 392,
+    fremovexattr = 393,
+    futex = 394,
+    sched_setaffinity = 395,
+    sched_getaffinity = 396,
+    tuxcall = 397,
+    io_setup = 398,
+    io_destroy = 399,
+    io_getevents = 400,
+    io_submit = 401,
+    io_cancel = 402,
+    exit_group = 405,
+    lookup_dcookie = 406,
+    epoll_create = 407,
+    epoll_ctl = 408,
+    epoll_wait = 409,
+    remap_file_pages = 410,
+    set_tid_address = 411,
+    restart_syscall = 412,
+    fadvise64 = 413,
+    timer_create = 414,
+    timer_settime = 415,
+    timer_gettime = 416,
+    timer_getoverrun = 417,
+    timer_delete = 418,
+    clock_settime = 419,
+    clock_gettime = 420,
+    clock_getres = 421,
+    clock_nanosleep = 422,
+    semtimedop = 423,
+    tgkill = 424,
+    stat64 = 425,
+    lstat64 = 426,
+    fstat64 = 427,
+    vserver = 428,
+    mbind = 429,
+    get_mempolicy = 430,
+    set_mempolicy = 431,
+    mq_open = 432,
+    mq_unlink = 433,
+    mq_timedsend = 434,
+    mq_timedreceive = 435,
+    mq_notify = 436,
+    mq_getsetattr = 437,
+    waitid = 438,
+    add_key = 439,
+    request_key = 440,
+    keyctl = 441,
+    ioprio_set = 442,
+    ioprio_get = 443,
+    inotify_init = 444,
+    inotify_add_watch = 445,
+    inotify_rm_watch = 446,
+    fdatasync = 447,
+    kexec_load = 448,
+    migrate_pages = 449,
+    openat = 450,
+    mkdirat = 451,
+    mknodat = 452,
+    fchownat = 453,
+    futimesat = 454,
+    fstatat64 = 455,
+    unlinkat = 456,
+    renameat = 457,
+    linkat = 458,
+    symlinkat = 459,
+    readlinkat = 460,
+    fchmodat = 461,
+    faccessat = 462,
+    pselect6 = 463,
+    ppoll = 464,
+    unshare = 465,
+    set_robust_list = 466,
+    get_robust_list = 467,
+    splice = 468,
+    sync_file_range = 469,
+    tee = 470,
+    vmsplice = 471,
+    move_pages = 472,
+    getcpu = 473,
+    epoll_pwait = 474,
+    utimensat = 475,
+    signalfd = 476,
+    timerfd = 477,
+    eventfd = 478,
+    recvmmsg = 479,
+    fallocate = 480,
+    timerfd_create = 481,
+    timerfd_settime = 482,
+    timerfd_gettime = 483,
+    signalfd4 = 484,
+    eventfd2 = 485,
+    epoll_create1 = 486,
+    dup3 = 487,
+    pipe2 = 488,
+    inotify_init1 = 489,
+    preadv = 490,
+    pwritev = 491,
+    rt_tgsigqueueinfo = 492,
+    perf_event_open = 493,
+    fanotify_init = 494,
+    fanotify_mark = 495,
+    prlimit64 = 496,
+    name_to_handle_at = 497,
+    open_by_handle_at = 498,
+    clock_adjtime = 499,
+    syncfs = 500,
+    setns = 501,
+    accept4 = 502,
+    sendmmsg = 503,
+    process_vm_readv = 504,
+    process_vm_writev = 505,
+    kcmp = 506,
+    finit_module = 507,
+    sched_setattr = 508,
+    sched_getattr = 509,
+    renameat2 = 510,
+    getrandom = 511,
+    memfd_create = 512,
+    execveat = 513,
+    seccomp = 514,
+    bpf = 515,
+    userfaultfd = 516,
+    membarrier = 517,
+    mlock2 = 518,
+    copy_file_range = 519,
+    preadv2 = 520,
+    pwritev2 = 521,
+    statx = 522,
+    io_pgetevents = 523,
+    pkey_mprotect = 524,
+    pkey_alloc = 525,
+    pkey_free = 526,
+    rseq = 527,
+    statfs64 = 528,
+    fstatfs64 = 529,
+    getegid = 530,
+    geteuid = 531,
+    getppid = 532,
+    pidfd_send_signal = 534,
+    io_uring_setup = 535,
+    io_uring_enter = 536,
+    io_uring_register = 537,
+    open_tree = 538,
+    move_mount = 539,
+    fsopen = 540,
+    fsconfig = 541,
+    fsmount = 542,
+    fspick = 543,
+    pidfd_open = 544,
+    clone3 = 545,
+    close_range = 546,
+    openat2 = 547,
+    pidfd_getfd = 548,
+    faccessat2 = 549,
+    process_madvise = 550,
+    epoll_pwait2 = 551,
+    mount_setattr = 552,
+    quotactl_fd = 553,
+    landlock_create_ruleset = 554,
+    landlock_add_rule = 555,
+    landlock_restrict_self = 556,
+    process_mrelease = 558,
+    futex_waitv = 559,
+    set_mempolicy_home_node = 560,
+    cachestat = 561,
+    fchmodat2 = 562,
+    map_shadow_stack = 563,
+    futex_wake = 564,
+    futex_wait = 565,
+    futex_requeue = 566,
+    statmount = 567,
+    listmount = 568,
+    lsm_get_self_attr = 569,
+    lsm_set_self_attr = 570,
+    lsm_list_modules = 571,
+    mseal = 572,
+    setxattrat = 573,
+    getxattrat = 574,
+    listxattrat = 575,
+    removexattrat = 576,
+    open_tree_attr = 577,
+    file_getattr = 578,
+    file_setattr = 579,
+    listns = 580,
+    rseq_slice_yield = 581,
+};
+
 pub const Arm64 = enum(usize) {
     io_setup = 0,
     io_destroy = 1,
diff --git a/lib/std/os/linux/tls.zig b/lib/std/os/linux/tls.zig
index 3d180f05dce1bc8e3a7a3fb7d818651bd9cf6055..e188f954626cb7b6ad9b78faf5d723ffc2eae4cd 100644
--- a/lib/std/os/linux/tls.zig
+++ b/lib/std/os/linux/tls.zig
@@ -256,7 +256,7 @@ pub fn setThreadPointer(addr: usize) void {
         },
         .alpha => {
             asm volatile (
-                \\ lda a0, %[addr]
+                \\ lda $16, 0(%[addr])
                 \\ wruniq
                 :
                 : [addr] "r" (addr),
diff --git a/tools/generate_linux_syscalls.zig b/tools/generate_linux_syscalls.zig
index de537563127047c338ea71390c717589e9e426f1..5c53c970afaf730f01ec1042b42ee46f78c2759e 100644
--- a/tools/generate_linux_syscalls.zig
+++ b/tools/generate_linux_syscalls.zig
@@ -156,6 +156,7 @@ const architectures: []const Arch = &.{
     .{ .@"var" = "PowerPC64", .table = .{ .specific = "arch/powerpc/kernel/syscalls/syscall.tbl" }, .abi = &.{ .common, .@"64", .nospu } },
     .{ .@"var" = "S390x", .table = .{ .specific = "arch/s390/kernel/syscalls/syscall.tbl" }, .abi = &.{ .common, .@"64" } },
     .{ .@"var" = "Xtensa", .table = .{ .specific = "arch/xtensa/kernel/syscalls/syscall.tbl" } },
+    .{ .@"var" = "Alpha", .table = .{ .specific = "arch/alpha/kernel/syscalls/syscall.tbl" } },
     .{ .@"var" = "Arm64", .table = .generic, .abi = &.{ .common, .@"64", .renameat, .rlimit, .memfd_secret } },
     .{ .@"var" = "RiscV32", .table = .generic, .abi = &.{ .common, .@"32", .riscv, .memfd_secret } },
     .{ .@"var" = "RiscV64", .table = .generic, .abi = &.{ .common, .@"64", .riscv, .rlimit, .memfd_secret } },