Commit 6e30fc78328173215b27017d46fb6cc6add1222c | zig

author	Alex Rønne Petersen <alex@alexrp.com> 2026-05-23 06:18:59+02:00
committer	Alex Rønne Petersen <alex@alexrp.com> 2026-05-23 06:18:59+02:00
log	6e30fc78328173215b27017d46fb6cc6add1222c
tree	8e69187375214bae9960f48a018e2020b9b774f6
parent	6e6df110279701807fcf8c7fe8a9be71a66ae070
parent	ed4303fe59a1fd166ce88d1ad3253d4f8f919d0d
signature	Signed by SSH key SHA256:7B/LJ7bpR1eX8aCXSr4mtd5M45VMPKcx9zY8e95b5QM

Merge branch 'add-alpha-arch-linux'

10 files changed, 1631 insertions(+), 33 deletions(-)

lib
- std
  - Thread.zig
  - debug
    Dwarf.zig
    cpu_context.zig
  - os
    linux.zig
    linux
    IoUring
    test.zig
    alpha.zig
    ioctl.zig
    syscalls.zig
    tls.zig
tools
- generate_linux_syscalls.zig

lib/std/Thread.zig+2-2

...	@@ -1217,8 +1217,8 @@ const LinuxThreadImpl = struct {	...	@@ -1217,8 +1217,8 @@ const LinuxThreadImpl = struct {
1217	\\ ldi $16, 0	1217	\\ ldi $16, 0
1218	\\ callsys	1218	\\ callsys
1219	:	1219	:
1220	: [ptr] "{r16}" (@intFromPtr(self.mapped.ptr)),	1220	: [ptr] "{$16}" (@intFromPtr(self.mapped.ptr)),
1221	[len] "{r17}" (self.mapped.len),	1221	[len] "{$17}" (self.mapped.len),
1222	),	1222	),
1223	.hexagon => asm volatile (	1223	.hexagon => asm volatile (
1224	\\ r6 = #215 // SYS_munmap	1224	\\ r6 = #215 // SYS_munmap

lib/std/debug/Dwarf.zig+3

...	@@ -1436,6 +1436,7 @@ pub fn compactUnwindToDwarfRegNumber(unwind_reg_number: u3) !u16 {	...	@@ -1436,6 +1436,7 @@ pub fn compactUnwindToDwarfRegNumber(unwind_reg_number: u3) !u16 {
1436	pub fn ipRegNum(arch: std.Target.Cpu.Arch) ?u16 {	1436	pub fn ipRegNum(arch: std.Target.Cpu.Arch) ?u16 {
1437	return switch (arch) {	1437	return switch (arch) {
1438	.aarch64, .aarch64_be => 32,	1438	.aarch64, .aarch64_be => 32,
		1439	.alpha => 64,
1439	.arc, .arceb => 160,	1440	.arc, .arceb => 160,
1440	.arm, .armeb, .thumb, .thumbeb => 15,	1441	.arm, .armeb, .thumb, .thumbeb => 15,
1441	.csky => 64,	1442	.csky => 64,
...	@@ -1460,6 +1461,7 @@ pub fn ipRegNum(arch: std.Target.Cpu.Arch) ?u16 {	...	@@ -1460,6 +1461,7 @@ pub fn ipRegNum(arch: std.Target.Cpu.Arch) ?u16 {
1460	pub fn fpRegNum(arch: std.Target.Cpu.Arch) u16 {	1461	pub fn fpRegNum(arch: std.Target.Cpu.Arch) u16 {
1461	return switch (arch) {	1462	return switch (arch) {
1462	.aarch64, .aarch64_be => 29,	1463	.aarch64, .aarch64_be => 29,
		1464	.alpha => 15,
1463	.arc, .arceb => 27,	1465	.arc, .arceb => 27,
1464	.arm, .armeb, .thumb, .thumbeb => 11,	1466	.arm, .armeb, .thumb, .thumbeb => 11,
1465	.csky => 14,	1467	.csky => 14,
...	@@ -1484,6 +1486,7 @@ pub fn fpRegNum(arch: std.Target.Cpu.Arch) u16 {	...	@@ -1484,6 +1486,7 @@ pub fn fpRegNum(arch: std.Target.Cpu.Arch) u16 {
1484	pub fn spRegNum(arch: std.Target.Cpu.Arch) u16 {	1486	pub fn spRegNum(arch: std.Target.Cpu.Arch) u16 {
1485	return switch (arch) {	1487	return switch (arch) {
1486	.aarch64, .aarch64_be => 31,	1488	.aarch64, .aarch64_be => 31,
		1489	.alpha => 30,
1487	.arc, .arceb => 28,	1490	.arc, .arceb => 28,
1488	.arm, .armeb, .thumb, .thumbeb => 13,	1491	.arm, .armeb, .thumb, .thumbeb => 13,
1489	.csky => 14,	1492	.csky => 14,

lib/std/debug/cpu_context.zig+74

...	@@ -5,6 +5,7 @@ pub const Native = if (@hasDecl(root, "debug") and @hasDecl(root.debug, "CpuCont	...	@@ -5,6 +5,7 @@ pub const Native = if (@hasDecl(root, "debug") and @hasDecl(root.debug, "CpuCont
5	root.debug.CpuContext	5	root.debug.CpuContext
6	else switch (native_arch) {	6	else switch (native_arch) {
7	.aarch64, .aarch64_be => Aarch64,	7	.aarch64, .aarch64_be => Aarch64,
		8	.alpha => Alpha,
8	.arc, .arceb => Arc,	9	.arc, .arceb => Arc,
9	.arm, .armeb, .thumb, .thumbeb => Arm,	10	.arm, .armeb, .thumb, .thumbeb => Arm,
10	.csky => Csky,	11	.csky => Csky,
...	@@ -103,6 +104,10 @@ pub fn fromPosixSignalContext(ctx_ptr: ?*const anyopaque) ?Native {	...	@@ -103,6 +104,10 @@ pub fn fromPosixSignalContext(ctx_ptr: ?*const anyopaque) ?Native {
103	.sp = uc.mcontext.sp,	104	.sp = uc.mcontext.sp,
104	.pc = uc.mcontext.pc,	105	.pc = uc.mcontext.pc,
105	},	106	},
		107	.alpha => .{
		108	.r = uc.mcontext.r,
		109	.pc = uc.mcontext.pc,
		110	},
106	.csky => .{	111	.csky => .{
107	.r = uc.mcontext.r0_13 ++	112	.r = uc.mcontext.r0_13 ++
108	[_]u32{ uc.mcontext.r14, uc.mcontext.r15 } ++	113	[_]u32{ uc.mcontext.r14, uc.mcontext.r15 } ++
...	@@ -293,6 +298,75 @@ const Aarch64 = extern struct {	...	@@ -293,6 +298,75 @@ const Aarch64 = extern struct {
293	}	298	}
294	};	299	};
295		300
		301	const Alpha = extern struct {
		302	/// The numbered general-purpose registers R0 - R31.
		303	r: [32]u64,
		304	pc: u64,
		305
		306	pub inline fn current() Alpha {
		307	var ctx: Alpha = undefined;
		308	asm volatile (
		309	\\ stq $0 , 0x000($0)
		310	\\ stq $1 , 0x008($0)
		311	\\ stq $2 , 0x010($0)
		312	\\ stq $3 , 0x018($0)
		313	\\ stq $4 , 0x020($0)
		314	\\ stq $5 , 0x028($0)
		315	\\ stq $6 , 0x030($0)
		316	\\ stq $7 , 0x038($0)
		317	\\ stq $8 , 0x040($0)
		318	\\ stq $9 , 0x048($0)
		319	\\ stq $10, 0x050($0)
		320	\\ stq $11, 0x058($0)
		321	\\ stq $12, 0x060($0)
		322	\\ stq $13, 0x068($0)
		323	\\ stq $14, 0x070($0)
		324	\\ stq $15, 0x078($0)
		325	\\ stq $16, 0x080($0)
		326	\\ stq $17, 0x088($0)
		327	\\ stq $18, 0x090($0)
		328	\\ stq $19, 0x098($0)
		329	\\ stq $20, 0x0a0($0)
		330	\\ stq $21, 0x0a8($0)
		331	\\ stq $22, 0x0b0($0)
		332	\\ stq $23, 0x0b8($0)
		333	\\ stq $24, 0x0c0($0)
		334	\\ stq $25, 0x0c8($0)
		335	\\ stq $26, 0x0d0($0)
		336	\\ stq $27, 0x0d8($0)
		337	\\ stq $28, 0x0e0($0)
		338	\\ stq $29, 0x0e8($0)
		339	\\ stq $30, 0x0f0($0)
		340	\\
		341	\\ br $1, 1f
		342	\\1:
		343	\\ stq $1, 0x100($0)
		344	:
		345	: [ctx] "{r0}" (&ctx),
		346	: .{ .r1 = true, .memory = true });
		347	return ctx;
		348	}
		349
		350	pub fn getFp(ctx: *const Alpha) u64 {
		351	return ctx.r[15];
		352	}
		353	pub fn getPc(ctx: *const Alpha) u64 {
		354	return ctx.pc;
		355	}
		356
		357	pub fn dwarfRegisterBytes(ctx: *Aarch64, register_num: u16) DwarfRegisterError![]u8 {
		358	switch (register_num) {
		359	0...31 => return @ptrCast(&ctx.r[register_num]),
		360	64 => return @ptrCast(&ctx.pc),
		361
		362	32...63 => return error.UnsupportedRegister, // f0 - f31
		363	66 => return error.UnsupportedRegister, // uniq
		364
		365	else => return error.InvalidRegister,
		366	}
		367	}
		368	};
		369
296	/// This is an `extern struct` so that inline assembly in `current` can use field offsets.	370	/// This is an `extern struct` so that inline assembly in `current` can use field offsets.
297	const Arc = extern struct {	371	const Arc = extern struct {
298	/// The numbered general-purpose registers r0 - r31.	372	/// The numbered general-purpose registers r0 - r31.

lib/std/os/linux.zig+682-30

...	@@ -18,6 +18,7 @@ const is_mips = native_arch.isMIPS();	...	@@ -18,6 +18,7 @@ const is_mips = native_arch.isMIPS();
18	const is_ppc = native_arch.isPowerPC();	18	const is_ppc = native_arch.isPowerPC();
19	const is_riscv = native_arch.isRISCV();	19	const is_riscv = native_arch.isRISCV();
20	const is_sparc = native_arch.isSPARC();	20	const is_sparc = native_arch.isSPARC();
		21	const is_hppa = native_arch.isHppa();
21	const iovec = std.posix.iovec;	22	const iovec = std.posix.iovec;
22	const iovec_const = std.posix.iovec_const;	23	const iovec_const = std.posix.iovec_const;
23	const winsize = std.posix.winsize;	24	const winsize = std.posix.winsize;
...	@@ -31,6 +32,7 @@ test {	...	@@ -31,6 +32,7 @@ test {
31		32
32	const arch_bits = switch (native_arch) {	33	const arch_bits = switch (native_arch) {
33	.aarch64, .aarch64_be => @import("linux/aarch64.zig"),	34	.aarch64, .aarch64_be => @import("linux/aarch64.zig"),
		35	.alpha => @import("linux/alpha.zig"),
34	.arc, .arceb => @import("linux/arc.zig"),	36	.arc, .arceb => @import("linux/arc.zig"),
35	.arm, .armeb, .thumb, .thumbeb => @import("linux/arm.zig"),	37	.arm, .armeb, .thumb, .thumbeb => @import("linux/arm.zig"),
36	.hexagon => @import("linux/hexagon.zig"),	38	.hexagon => @import("linux/hexagon.zig"),
...	@@ -124,6 +126,7 @@ pub const syscalls = @import("linux/syscalls.zig");	...	@@ -124,6 +126,7 @@ pub const syscalls = @import("linux/syscalls.zig");
124	pub const SYS = switch (native_arch) {	126	pub const SYS = switch (native_arch) {
125	.arc, .arceb => syscalls.Arc,	127	.arc, .arceb => syscalls.Arc,
126	.aarch64, .aarch64_be => syscalls.Arm64,	128	.aarch64, .aarch64_be => syscalls.Arm64,
		129	.alpha => syscalls.Alpha,
127	.arm, .armeb, .thumb, .thumbeb => syscalls.Arm,	130	.arm, .armeb, .thumb, .thumbeb => syscalls.Arm,
128	.csky => syscalls.CSky,	131	.csky => syscalls.CSky,
129	.hexagon => syscalls.Hexagon,	132	.hexagon => syscalls.Hexagon,
...	@@ -311,6 +314,30 @@ pub const MAP = switch (native_arch) {	...	@@ -311,6 +314,30 @@ pub const MAP = switch (native_arch) {
311	UNINITIALIZED: bool = false,	314	UNINITIALIZED: bool = false,
312	_: u5 = 0,	315	_: u5 = 0,
313	},	316	},
		317	.alpha => packed struct(u32) {
		318	TYPE: MAP_TYPE,
		319	ANONYMOUS: bool = false,
		320	_3: u1 = 0,
		321	_4: u1 = 0,
		322	_5: u1 = 0,
		323	FIXED: bool = false,
		324	_7: u1 = 0,
		325	_8: u1 = 0,
		326	_9: u1 = 0,
		327	GROWSDOWN: bool = false,
		328	DENYWRITE: bool = false,
		329	EXECUTABLE: bool = false,
		330	LOCKED: bool = false,
		331	NORESERVE: bool = false,
		332	POPULATE: bool = false,
		333	NONBLOCK: bool = false,
		334	STACK: bool = false,
		335	HUGHETLB: bool = false,
		336	FIXED_NOREPLACE: bool = false,
		337	_19: u4 = 0,
		338	_20: u1 = 0,
		339	_: u5 = 0,
		340	},
314	else => @compileError("missing std.os.linux.MAP constants for this architecture"),	341	else => @compileError("missing std.os.linux.MAP constants for this architecture"),
315	};	342	};
316		343
...	@@ -520,6 +547,29 @@ pub const O = switch (native_arch) {	...	@@ -520,6 +547,29 @@ pub const O = switch (native_arch) {
520	PATH: bool = false,	547	PATH: bool = false,
521	_22: u10 = 0,	548	_22: u10 = 0,
522	},	549	},
		550	.alpha => packed struct(u32) {
		551	ACCMODE: ACCMODE = .RDONLY,
		552	NONBLOCK: bool = false,
		553	APPEND: bool = false,
		554	_4: u5 = 0,
		555	CREAT: bool = false,
		556	TRUNC: bool = false,
		557	EXCL: bool = false,
		558	NOCTTY: bool = false,
		559	_9: u1 = 0,
		560	DSYNC: bool = false,
		561	DIRECTORY: bool = false,
		562	NOFOLLOW: bool = false,
		563	LARGEFILE: bool = false,
		564	_14: u1 = 0,
		565	DIRECT: bool = false,
		566	NOATIME: bool = false,
		567	CLOEXEC: bool = false,
		568	SYNC: bool = false,
		569	PATH: bool = false,
		570	TMPFILE: bool = false,
		571	_: u7 = 0,
		572	},
523	else => @compileError("missing std.os.linux.O constants for this architecture"),	573	else => @compileError("missing std.os.linux.O constants for this architecture"),
524	};	574	};
525		575
...	@@ -1894,23 +1944,68 @@ pub const F = struct {	...	@@ -1894,23 +1944,68 @@ pub const F = struct {
1894	pub const SETLK = GET_SET_LK.SETLK;	1944	pub const SETLK = GET_SET_LK.SETLK;
1895	pub const SETLKW = GET_SET_LK.SETLKW;	1945	pub const SETLKW = GET_SET_LK.SETLKW;
1896		1946
1897	const GET_SET_LK = if (@sizeOf(usize) == 64) extern struct {	1947	pub const SETOWN = GET_SET_OWN.SETOWN;
1898	pub const GETLK = if (is_mips) 14 else if (is_sparc) 7 else 5;	1948	pub const GETOWN = GET_SET_OWN.GETOWN;
1899	pub const SETLK = if (is_mips) 6 else if (is_sparc) 8 else 6;
1900	pub const SETLKW = if (is_mips) 7 else if (is_sparc) 9 else 7;
1901	} else extern struct {
1902	// Ensure that 32-bit code uses the large-file variants (GETLK64, etc).
1903		1949
1904	pub const GETLK = if (is_mips) 33 else 12;	1950	const GET_SET_LK = switch (native_arch) {
1905	pub const SETLK = if (is_mips) 34 else 13;	1951	.mips, .mipsel => struct {
1906	pub const SETLKW = if (is_mips) 35 else 14;	1952	const GETLK = 33;
		1953	const SETLK = 34;
		1954	const SETLKW = 35;
		1955	},
		1956	.mips64, .mips64el => switch (native_abi) {
		1957	.gnuabin32, .muslabin32 => struct {
		1958	const GETLK = 33;
		1959	const SETLK = 34;
		1960	const SETLKW = 35;
		1961	},
		1962	else => struct {
		1963	const GETLK = 14;
		1964	const SETLK = 6;
		1965	const SETLKW = 7;
		1966	},
		1967	},
		1968	.alpha, .sparc64 => struct {
		1969	const GETLK = 7;
		1970	const SETLK = 8;
		1971	const SETLKW = 9;
		1972	},
		1973	.hppa, .hppa64 => struct {
		1974	const GETLK = 8;
		1975	const SETLK = 9;
		1976	const SETLKW = 10;
		1977	},
		1978	else => if (@sizeOf(usize) == 8) struct {
		1979	const GETLK = 5;
		1980	const SETLK = 6;
		1981	const SETLKW = 7;
		1982	} else struct {
		1983	const GETLK = 12;
		1984	const SETLK = 13;
		1985	const SETLKW = 14;
		1986	},
		1987	};
		1988	const GET_SET_OWN = switch (native_arch) {
		1989	.mips, .mipsel, .mips64, .mips64el => struct {
		1990	const GETOWN = 23;
		1991	const SETOWN = 24;
		1992	},
		1993	.alpha, .sparc, .sparc64 => struct {
		1994	const GETOWN = 5;
		1995	const SETOWN = 6;
		1996	},
		1997	.hppa, .hppa64 => struct {
		1998	const GETOWN = 11;
		1999	const SETOWN = 12;
		2000	},
		2001	else => struct {
		2002	const GETOWN = 8;
		2003	const SETOWN = 9;
		2004	},
1907	};	2005	};
1908		2006
1909	pub const SETOWN = if (is_mips) 24 else if (is_sparc) 6 else 8;	2007	pub const SETSIG = if (is_hppa or native_arch == .alpha) 13 else 11;
1910	pub const GETOWN = if (is_mips) 23 else if (is_sparc) 5 else 9;	2008	pub const GETSIG = if (is_hppa or native_arch == .alpha) 14 else 12;
1911
1912	pub const SETSIG = 10;
1913	pub const GETSIG = 11;
1914		2009
1915	pub const SETOWN_EX = 15;	2010	pub const SETOWN_EX = 15;
1916	pub const GETOWN_EX = 16;	2011	pub const GETOWN_EX = 16;
...	@@ -1923,7 +2018,7 @@ pub const F = struct {	...	@@ -1923,7 +2018,7 @@ pub const F = struct {
1923		2018
1924	pub const RDLCK = if (is_sparc) 1 else 0;	2019	pub const RDLCK = if (is_sparc) 1 else 0;
1925	pub const WRLCK = if (is_sparc) 2 else 1;	2020	pub const WRLCK = if (is_sparc) 2 else 1;
1926	pub const UNLCK = if (is_sparc) 3 else 2;	2021	pub const UNLCK = if (is_sparc) 3 else if (native_arch == .alpha) 8 else 2;
1927		2022
1928	pub const LINUX_SPECIFIC_BASE = 1024;	2023	pub const LINUX_SPECIFIC_BASE = 1024;
1929		2024
...	@@ -3388,6 +3483,294 @@ pub const E = switch (native_arch) {	...	@@ -3388,6 +3483,294 @@ pub const E = switch (native_arch) {
3388	HWPOISON = 135,	3483	HWPOISON = 135,
3389	_,	3484	_,
3390	},	3485	},
		3486	.alpha => enum(u16) {
		3487	/// No error occurred.
		3488	SUCCESS = 0,
		3489
		3490	/// Operation not permitted
		3491	PERM = 1,
		3492	/// No such file or directory
		3493	NOENT = 2,
		3494	/// No such process
		3495	SRCH = 3,
		3496	/// Interrupted system call
		3497	INTR = 4,
		3498	/// I/O error
		3499	IO = 5,
		3500	/// No such device or address
		3501	NXIO = 6,
		3502	/// Argument list too long
		3503	@"2BIG" = 7,
		3504	/// Exec format error
		3505	NOEXEC = 8,
		3506	/// Bad file number
		3507	BADF = 9,
		3508	/// No child processes
		3509	CHILD = 10,
		3510	/// Out of memory
		3511	NOMEM = 12,
		3512	/// Permission denied
		3513	ACCES = 13,
		3514	/// Bad address
		3515	FAULT = 14,
		3516	/// Block device required
		3517	NOTBLK = 15,
		3518	/// Device or resource busy
		3519	BUSY = 16,
		3520	/// File exists
		3521	EXIST = 17,
		3522	/// Cross-device link
		3523	XDEV = 18,
		3524	/// No such device
		3525	NODEV = 19,
		3526	/// Not a directory
		3527	NOTDIR = 20,
		3528	/// Is a directory
		3529	ISDIR = 21,
		3530	/// Invalid argument
		3531	INVAL = 22,
		3532	/// File table overflow
		3533	NFILE = 23,
		3534	/// Too many open files
		3535	MFILE = 24,
		3536	/// Not a typewriter
		3537	NOTTY = 25,
		3538	/// Text file busy
		3539	TXTBSY = 26,
		3540	/// File too large
		3541	FBIG = 27,
		3542	/// No space left on device
		3543	NOSPC = 28,
		3544	/// Illegal seek
		3545	SPIPE = 29,
		3546	/// Read-only file system
		3547	ROFS = 30,
		3548	/// Too many links
		3549	MLINK = 31,
		3550	/// Broken pipe
		3551	PIPE = 32,
		3552	/// Math argument out of domain of func
		3553	DOM = 33,
		3554	/// Math result not representable
		3555	RANGE = 34,
		3556
		3557	/// Resource deadlock would occur
		3558	DEADLK = 11,
		3559
		3560	/// Try again.
		3561	/// Also used for WOULDBLOCK.
		3562	AGAIN = 35,
		3563	/// Operation now in progress
		3564	INPROGRESS = 36,
		3565	/// Operation already in progress
		3566	ALREADY = 37,
		3567	/// Socket operation on non-socket
		3568	NOTSOCK = 38,
		3569	/// Destination address required
		3570	DESTADDRREQ = 39,
		3571	/// Message too long
		3572	MSGSIZE = 40,
		3573	/// Protocol wrong type for socket
		3574	PROTOTYPE = 41,
		3575	/// Protocol not available
		3576	NOPROTOOPT = 42,
		3577	/// Protocol not supported
		3578	PROTONOSUPPORT = 43,
		3579	/// Socket type not supported
		3580	SOCKTNOSUPPORT = 44,
		3581	/// Operation not supported on transport endpoint
		3582	OPNOTSUPP = 45,
		3583	/// Protocol family not supported
		3584	PFNOSUPPORT = 46,
		3585	/// Address family not supported by protocol
		3586	AFNOSUPPORT = 47,
		3587	/// Address already in use
		3588	ADDRINUSE = 48,
		3589	/// Cannot assign requested address
		3590	ADDRNOTAVAIL = 49,
		3591	/// Network is down
		3592	NETDOWN = 50,
		3593	/// Network is unreachable
		3594	NETUNREACH = 51,
		3595	/// Network dropped connection because of reset
		3596	NETRESET = 52,
		3597	/// Software caused connection abort
		3598	CONNABORTED = 53,
		3599	/// Connection reset by peer
		3600	CONNRESET = 54,
		3601	/// No buffer space available
		3602	NOBUFS = 55,
		3603	/// Transport endpoint is already connected
		3604	ISCONN = 56,
		3605	/// Transport endpoint is not connected
		3606	NOTCONN = 57,
		3607	/// Cannot send after transport endpoint shutdown
		3608	SHUTDOWN = 58,
		3609	/// Too many references: cannot splice
		3610	TOOMANYREFS = 59,
		3611	/// Connection timed out
		3612	TIMEDOUT = 60,
		3613	/// Connection refused
		3614	CONNREFUSED = 61,
		3615	/// Too many symbolic links encountered
		3616	LOOP = 62,
		3617	/// File name too long
		3618	NAMETOOLONG = 63,
		3619	/// Host is down
		3620	HOSTDOWN = 64,
		3621	/// No route to host
		3622	HOSTUNREACH = 65,
		3623	/// Directory not empty
		3624	NOTEMPTY = 66,
		3625
		3626	/// Too many users
		3627	USERS = 68,
		3628	/// Quota exceeded
		3629	DQUOT = 69,
		3630	/// Stale file handle
		3631	STALE = 70,
		3632	/// Object is remote
		3633	REMOTE = 71,
		3634
		3635	/// No record locks available
		3636	NOLCK = 77,
		3637	/// Function not implemented
		3638	NOSYS = 78,
		3639
		3640	/// No message of desired type
		3641	NOMSG = 80,
		3642	/// Identifier removed
		3643	IDRM = 81,
		3644	/// Out of streams resources
		3645	NOSR = 82,
		3646	/// Timer expired
		3647	TIME = 83,
		3648	/// Not a data message
		3649	/// Also used for FSBADCRC.
		3650	BADMSG = 84,
		3651	/// Protocol error
		3652	PROTO = 85,
		3653	/// No data available
		3654	NODATA = 86,
		3655	/// Device not a stream
		3656	NOSTR = 87,
		3657
		3658	/// Package not installed
		3659	NOPKG = 92,
		3660
		3661	/// Illegal byte sequence
		3662	ILSEQ = 116,
		3663
		3664	// The following are designated "random noise" by the kernel sources.
		3665	/// Channel number out of range
		3666	CHRNG = 88,
		3667	/// Level 2 not synchronized
		3668	L2NSYNC = 89,
		3669	/// Level 3 halted
		3670	L3HLT = 90,
		3671	/// Level 3 reset
		3672	L3RST = 91,
		3673
		3674	/// Link number out of range
		3675	LNRNG = 93,
		3676	/// Protocol driver not attached
		3677	UNATCH = 94,
		3678	/// No CSI structure available
		3679	NOCSI = 95,
		3680	/// Level 2 halted
		3681	L2HLT = 96,
		3682	/// Invalid exchange
		3683	BADE = 97,
		3684	/// Invalid request descriptor
		3685	BADR = 98,
		3686	/// Exchange full
		3687	XFULL = 99,
		3688	/// No anode
		3689	NOANO = 100,
		3690	/// Invalid request code
		3691	BADRQC = 101,
		3692	/// Invalid slot
		3693	BADSLT = 102,
		3694
		3695	/// Bad font file format
		3696	BFONT = 104,
		3697	/// Machine is not on the network
		3698	NONET = 105,
		3699	/// Link has been severed
		3700	NOLINK = 106,
		3701	/// Advertise error
		3702	ADV = 107,
		3703	/// Srmount error
		3704	SRMNT = 108,
		3705	/// Communication error on send
		3706	COMM = 109,
		3707	/// Multihop attempted
		3708	MULTIHOP = 110,
		3709	/// RFS specific error
		3710	DOTDOT = 111,
		3711	/// Value too large for defined data type
		3712	OVERFLOW = 112,
		3713	/// Name not unique on network
		3714	NOTUNIQ = 113,
		3715	/// File descriptor in bad state
		3716	BADFD = 114,
		3717	/// Remote address changed
		3718	REMCHG = 115,
		3719
		3720	/// Structure needs cleaning
		3721	/// Also used for FSCORRUPTED.
		3722	UCLEAN = 117,
		3723	/// Not a XENIX named type file
		3724	NOTNAM = 118,
		3725	/// No XENIX semaphores available
		3726	NAVAIL = 119,
		3727	/// Is a named type file
		3728	ISNAM = 120,
		3729	/// Remote I/O error
		3730	REMOTEIO = 121,
		3731
		3732	/// Can not access a needed shared library
		3733	LIBACC = 122,
		3734	/// Accessing a corrupted shared library
		3735	LIBBAD = 123,
		3736	/// .lib section in a.out corrupted
		3737	LIBSCN = 124,
		3738	/// Attempting to link in too many shared libraries
		3739	LIBMAX = 125,
		3740	/// Cannot exec a shared library directly
		3741	LIBEXEC = 126,
		3742	/// Interrupted system call should be restarted
		3743	RESTART = 127,
		3744	/// Streams pipe error
		3745	STRPIPE = 128,
		3746
		3747	/// No medium found
		3748	NOMEDIUM = 129,
		3749	/// Wrong medium type
		3750	MEDIUMTYPE = 130,
		3751	/// Operation Cancelled
		3752	CANCELED = 131,
		3753	/// Required key not available
		3754	NOKEY = 132,
		3755	/// Key has expired
		3756	KEYEXPIRED = 133,
		3757	/// Key has been revoked
		3758	KEYREVOKED = 134,
		3759	/// Key was rejected by service
		3760	KEYREJECTED = 135,
		3761
		3762	// For robust mutexes
		3763	/// Owner died
		3764	OWNERDEAD = 136,
		3765	/// State not recoverable
		3766	NOTRECOVERABLE = 137,
		3767
		3768	/// Operation not possible due to RF-kill
		3769	RFKILL = 138,
		3770	/// Memory page has hardware error
		3771	HWPOISON = 139,
		3772	_,
		3773	},
3391	else => enum(u16) {	3774	else => enum(u16) {
3392	/// No error occurred.	3775	/// No error occurred.
3393	/// Same code used for `NSROK`.	3776	/// Same code used for `NSROK`.
...	@@ -3959,6 +4342,14 @@ pub const SA = if (is_mips) struct {	...	@@ -3959,6 +4342,14 @@ pub const SA = if (is_mips) struct {
3959	pub const RESETHAND = 0x80000000;	4342	pub const RESETHAND = 0x80000000;
3960	pub const ONSTACK = 0x08000000;	4343	pub const ONSTACK = 0x08000000;
3961	pub const NODEFER = 0x40000000;	4344	pub const NODEFER = 0x40000000;
		4345	} else if (native_arch == .alpha) struct {
		4346	pub const ONSTACK = 0x00000001;
		4347	pub const RESTART = 0x00000002;
		4348	pub const NOCLDSTOP = 0x00000004;
		4349	pub const NODEFER = 0x00000008;
		4350	pub const RESETHAND = 0x00000010;
		4351	pub const NOCLDWAIT = 0x00000020;
		4352	pub const SIGINFO = 0x00000040;
3962	} else struct {	4353	} else struct {
3963	pub const NOCLDSTOP = 1;	4354	pub const NOCLDSTOP = 1;
3964	pub const NOCLDWAIT = 2;	4355	pub const NOCLDWAIT = 2;
...	@@ -4061,6 +4452,95 @@ pub const SIG = if (is_mips) enum(u32) {	...	@@ -4061,6 +4452,95 @@ pub const SIG = if (is_mips) enum(u32) {
4061	USR1 = 30,	4452	USR1 = 30,
4062	USR2 = 31,	4453	USR2 = 31,
4063	_,	4454	_,
		4455	} else if (native_arch == .alpha) enum(u32) {
		4456	pub const BLOCK = 1;
		4457	pub const UNBLOCK = 2;
		4458	pub const SETMASK = 3;
		4459
		4460	pub const ERR: ?Sigaction.handler_fn = @ptrFromInt(maxInt(usize));
		4461	pub const DFL: ?Sigaction.handler_fn = @ptrFromInt(0);
		4462	pub const IGN: ?Sigaction.handler_fn = @ptrFromInt(1);
		4463
		4464	pub const POLL: SIG = .IO;
		4465	pub const PWR: SIG = .INFO;
		4466	pub const IOT: SIG = .ABRT;
		4467
		4468	HUP = 1,
		4469	INT = 2,
		4470	QUIT = 3,
		4471	ILL = 4,
		4472	TRAP = 5,
		4473	ABRT = 6,
		4474	EMT = 7,
		4475	FPE = 8,
		4476	KILL = 9,
		4477	BUS = 10,
		4478	SEGV = 11,
		4479	SYS = 12,
		4480	PIPE = 13,
		4481	ALRM = 14,
		4482	TERM = 15,
		4483	URG = 16,
		4484	STOP = 17,
		4485	TSTP = 18,
		4486	CONT = 19,
		4487	CHLD = 20,
		4488	TTIN = 21,
		4489	TTOU = 22,
		4490	IO = 23,
		4491	XCPU = 24,
		4492	XFSZ = 25,
		4493	VTALRM = 26,
		4494	PROF = 27,
		4495	WINCH = 28,
		4496	INFO = 29,
		4497	USR1 = 30,
		4498	USR2 = 31,
		4499	_,
		4500	} else if (is_hppa) enum(u32) {
		4501	pub const BLOCK = 0;
		4502	pub const UNBLOCK = 1;
		4503	pub const SETMASK = 2;
		4504
		4505	pub const ERR: ?Sigaction.handler_fn = @ptrFromInt(maxInt(usize));
		4506	pub const DFL: ?Sigaction.handler_fn = @ptrFromInt(0);
		4507	pub const IGN: ?Sigaction.handler_fn = @ptrFromInt(1);
		4508
		4509	pub const POLL: SIG = .IO;
		4510	pub const IOT: SIG = .ABRT;
		4511
		4512	HUP = 1,
		4513	INT = 2,
		4514	QUIT = 3,
		4515	ILL = 4,
		4516	TRAP = 5,
		4517	ABRT = 6,
		4518	STKFLT = 7,
		4519	FPE = 8,
		4520	KILL = 9,
		4521	BUS = 10,
		4522	SEGV = 11,
		4523	XCPU = 12,
		4524	PIPE = 13,
		4525	ALRM = 14,
		4526	TERM = 15,
		4527	USR1 = 16,
		4528	USR2 = 17,
		4529	CHLD = 18,
		4530	PWR = 19,
		4531	VTALRM = 20,
		4532	PROF = 21,
		4533	IO = 22,
		4534	WINCH = 23,
		4535	STOP = 24,
		4536	TSTP = 25,
		4537	CONT = 26,
		4538	TTIN = 27,
		4539	TTOU = 28,
		4540	URG = 29,
		4541	XFSZ = 30,
		4542	SYS = 31,
		4543	_,
4064	} else enum(u32) {	4544	} else enum(u32) {
4065	pub const BLOCK = 0;	4545	pub const BLOCK = 0;
4066	pub const UNBLOCK = 1;	4546	pub const UNBLOCK = 1;
...	@@ -4137,8 +4617,20 @@ pub const SOCK = struct {	...	@@ -4137,8 +4617,20 @@ pub const SOCK = struct {
4137	pub const SEQPACKET = 5;	4617	pub const SEQPACKET = 5;
4138	pub const DCCP = 6;	4618	pub const DCCP = 6;
4139	pub const PACKET = 10;	4619	pub const PACKET = 10;
4140	pub const CLOEXEC = if (is_sparc) 0o20000000 else 0o2000000;	4620	pub const CLOEXEC = if (is_sparc)
4141	pub const NONBLOCK = if (is_mips) 0o200 else if (is_sparc) 0o40000 else 0o4000;	4621	0o20000000
		4622	else if (native_arch == .alpha)
		4623	0o10000000
		4624	else
		4625	0o2000000;
		4626	pub const NONBLOCK = if (is_mips)
		4627	0o200
		4628	else if (is_sparc)
		4629	0o40000
		4630	else if (is_hppa or native_arch == .alpha)
		4631	0x40000000
		4632	else
		4633	0o4000;
4142	};	4634	};
4143		4635
4144	pub const TCP = struct {	4636	pub const TCP = struct {
...	@@ -4552,6 +5044,77 @@ pub const SO = if (is_mips) struct {	...	@@ -4552,6 +5044,77 @@ pub const SO = if (is_mips) struct {
4552	pub const RCVTIMEO_NEW = 68;	5044	pub const RCVTIMEO_NEW = 68;
4553	pub const SNDTIMEO_NEW = 69;	5045	pub const SNDTIMEO_NEW = 69;
4554	pub const DETACH_REUSEPORT_BPF = 71;	5046	pub const DETACH_REUSEPORT_BPF = 71;
		5047	} else if (native_arch == .alpha) struct {
		5048	pub const DEBUG = 1;
		5049	pub const REUSEADDR = 0x0004;
		5050	pub const KEEPALIVE = 0x0008;
		5051	pub const DONTROUTE = 0x0010;
		5052	pub const BROADCAST = 0x0020;
		5053	pub const LINGER = 0x0080;
		5054	pub const OOBINLINE = 0x0100;
		5055	pub const REUSEPORT = 0x0200;
		5056
		5057	pub const SNDBUF = 0x1001;
		5058	pub const RCVBUF = 0x1002;
		5059	pub const SNDLOWAT = 0x1011;
		5060	pub const RCVLOWAT = 0x1010;
		5061	pub const RCVTIMEO = 0x1012;
		5062	pub const SNDTIMEO = 0x1013;
		5063	pub const ERROR = 0x1007;
		5064	pub const TYPE = 0x1008;
		5065	pub const ACCEPTCONN = 0x1014;
		5066	pub const PROTOCOL = 0x1028;
		5067	pub const DOMAIN = 0x1029;
		5068
		5069	pub const NO_CHECK = 11;
		5070	pub const PRIORITY = 12;
		5071	pub const BSDCOMPAT = 14;
		5072	pub const PASSCRED = 17;
		5073	pub const PEERCRED = 18;
		5074	pub const PEERSEC = 30;
		5075	pub const SNDBUFFORCE = 0x100a;
		5076	pub const RCVBUFFORCE = 0x100b;
		5077	pub const SECURITY_AUTHENTICATION = 19;
		5078	pub const SECURITY_ENCRYPTION_TRANSPORT = 20;
		5079	pub const SECURITY_ENCRYPTION_NETWORK = 21;
		5080	pub const BINDTODEVICE = 25;
		5081	pub const ATTACH_FILTER = 26;
		5082	pub const DETACH_FILTER = 27;
		5083	pub const GET_FILTER = ATTACH_FILTER;
		5084	pub const PEERNAME = 28;
		5085	pub const TIMESTAMP_OLD = 29;
		5086	pub const PASSSEC = 34;
		5087	pub const TIMESTAMPNS_OLD = 35;
		5088	pub const MARK = 36;
		5089	pub const TIMESTAMPING_OLD = 37;
		5090	pub const RXQ_OVFL = 40;
		5091	pub const WIFI_STATUS = 41;
		5092	pub const PEEK_OFF = 42;
		5093	pub const NOFCS = 43;
		5094	pub const LOCK_FILTER = 44;
		5095	pub const SELECT_ERR_QUEUE = 45;
		5096	pub const BUSY_POLL = 46;
		5097	pub const MAX_PACING_RATE = 47;
		5098	pub const BPF_EXTENSIONS = 48;
		5099	pub const INCOMING_CPU = 49;
		5100	pub const ATTACH_BPF = 50;
		5101	pub const DETACH_BPF = DETACH_FILTER;
		5102	pub const ATTACH_REUSEPORT_CBPF = 51;
		5103	pub const ATTACH_REUSEPORT_EBPF = 52;
		5104	pub const CNX_ADVICE = 53;
		5105	pub const MEMINFO = 55;
		5106	pub const INCOMING_NAPI_ID = 56;
		5107	pub const COOKIE = 57;
		5108	pub const PEERGROUPS = 59;
		5109	pub const ZEROCOPY = 60;
		5110	pub const TXTIME = 61;
		5111	pub const BINDTOIFINDEX = 62;
		5112	pub const TIMESTAMP_NEW = 63;
		5113	pub const TIMESTAMPNS_NEW = 64;
		5114	pub const TIMESTAMPING_NEW = 65;
		5115	pub const RCVTIMEO_NEW = 66;
		5116	pub const SNDTIMEO_NEW = 67;
		5117	pub const DETACH_REUSEPORT_BPF = 68;
4555	} else struct {	5118	} else struct {
4556	pub const DEBUG = 1;	5119	pub const DEBUG = 1;
4557	pub const REUSEADDR = 2;	5120	pub const REUSEADDR = 2;
...	@@ -4637,7 +5200,10 @@ pub const SCM = struct {	...	@@ -4637,7 +5200,10 @@ pub const SCM = struct {
4637	};	5200	};
4638		5201
4639	pub const SOL = struct {	5202	pub const SOL = struct {
4640	pub const SOCKET = if (is_mips or is_sparc) 65535 else 1;	5203	pub const SOCKET = if (is_mips or is_sparc or native_arch == .alpha)
		5204	0xffff
		5205	else
		5206	1;
4641		5207
4642	pub const IP = 0;	5208	pub const IP = 0;
4643	pub const IPV6 = 41;	5209	pub const IPV6 = 41;
...	@@ -5224,7 +5790,7 @@ pub const T = if (is_mips) struct {	...	@@ -5224,7 +5790,7 @@ pub const T = if (is_mips) struct {
5224	pub const IOCSERSETMULTI = 0x5490;	5790	pub const IOCSERSETMULTI = 0x5490;
5225	pub const IOCMIWAIT = 0x5491;	5791	pub const IOCMIWAIT = 0x5491;
5226	pub const IOCGICOUNT = 0x5492;	5792	pub const IOCGICOUNT = 0x5492;
5227	} else if (is_ppc) struct {	5793	} else if (is_ppc or native_arch == .alpha) struct {
5228	pub const FIOCLEX = IOCTL.IO('f', 1);	5794	pub const FIOCLEX = IOCTL.IO('f', 1);
5229	pub const FIONCLEX = IOCTL.IO('f', 2);	5795	pub const FIONCLEX = IOCTL.IO('f', 2);
5230	pub const FIOASYNC = IOCTL.IOW('f', 125, c_int);	5796	pub const FIOASYNC = IOCTL.IOW('f', 125, c_int);
...	@@ -6008,6 +6574,15 @@ pub const TFD = switch (native_arch) {	...	@@ -6008,6 +6574,15 @@ pub const TFD = switch (native_arch) {
6008		6574
6009	pub const TIMER = TFD_TIMER;	6575	pub const TIMER = TFD_TIMER;
6010	},	6576	},
		6577	.alpha => packed struct(u32) {
		6578	_0: u2 = 0,
		6579	NONBLOCK: bool = false,
		6580	_3: u18 = 0,
		6581	CLOEXEC: bool = false,
		6582	_: u10 = 0,
		6583
		6584	pub const TIMER = TFD_TIMER;
		6585	},
6011	else => packed struct(u32) {	6586	else => packed struct(u32) {
6012	_0: u11 = 0,	6587	_0: u11 = 0,
6013	NONBLOCK: bool = false,	6588	NONBLOCK: bool = false,
...	@@ -6037,6 +6612,11 @@ pub const k_sigaction = switch (native_arch) {	...	@@ -6037,6 +6612,11 @@ pub const k_sigaction = switch (native_arch) {
6037	flags: c_ulong,	6612	flags: c_ulong,
6038	mask: sigset_t,	6613	mask: sigset_t,
6039	},	6614	},
		6615	.alpha => extern struct {
		6616	handler: k_sigaction_funcs.handler,
		6617	mask: sigset_t,
		6618	flags: c_int,
		6619	},
6040	else => extern struct {	6620	else => extern struct {
6041	handler: k_sigaction_funcs.handler,	6621	handler: k_sigaction_funcs.handler,
6042	flags: c_ulong,	6622	flags: c_ulong,
...	@@ -6061,6 +6641,7 @@ pub const Sigaction = struct {	...	@@ -6061,6 +6641,7 @@ pub const Sigaction = struct {
6061	mask: sigset_t,	6641	mask: sigset_t,
6062	flags: switch (native_arch) {	6642	flags: switch (native_arch) {
6063	.mips, .mipsel, .mips64, .mips64el => c_uint,	6643	.mips, .mipsel, .mips64, .mips64el => c_uint,
		6644	.alpha => c_int,
6064	else => c_ulong,	6645	else => c_ulong,
6065	},	6646	},
6066	};	6647	};
...	@@ -7531,7 +8112,14 @@ pub const rusage = extern struct {	...	@@ -7531,7 +8112,14 @@ pub const rusage = extern struct {
7531	};	8112	};
7532		8113
7533	pub const NCC = if (is_ppc) 10 else 8;	8114	pub const NCC = if (is_ppc) 10 else 8;
7534	pub const NCCS = if (is_mips) 32 else if (is_ppc) 19 else if (is_sparc) 17 else 32;	8115	pub const NCCS = if (is_mips)
		8116	32
		8117	else if (is_ppc or native_arch == .alpha)
		8118	19
		8119	else if (is_sparc)
		8120	17
		8121	else
		8122	32;
7535		8123
7536	pub const speed_t = if (is_ppc) enum(c_uint) {	8124	pub const speed_t = if (is_ppc) enum(c_uint) {
7537	B0 = 0x0000000,	8125	B0 = 0x0000000,
...	@@ -7645,7 +8233,7 @@ pub const speed_t = if (is_ppc) enum(c_uint) {	...	@@ -7645,7 +8233,7 @@ pub const speed_t = if (is_ppc) enum(c_uint) {
7645		8233
7646	pub const tcflag_t = if (native_arch == .sparc) c_ulong else c_uint;	8234	pub const tcflag_t = if (native_arch == .sparc) c_ulong else c_uint;
7647		8235
7648	pub const tc_iflag_t = if (is_ppc) packed struct(tcflag_t) {	8236	pub const tc_iflag_t = if (is_ppc or native_arch == .alpha) packed struct(tcflag_t) {
7649	IGNBRK: bool = false,	8237	IGNBRK: bool = false,
7650	BRKINT: bool = false,	8238	BRKINT: bool = false,
7651	IGNPAR: bool = false,	8239	IGNPAR: bool = false,
...	@@ -7681,7 +8269,7 @@ pub const tc_iflag_t = if (is_ppc) packed struct(tcflag_t) {	...	@@ -7681,7 +8269,7 @@ pub const tc_iflag_t = if (is_ppc) packed struct(tcflag_t) {
7681	_15: u17 = 0,	8269	_15: u17 = 0,
7682	};	8270	};
7683		8271
7684	pub const NLDLY = if (is_ppc) enum(u2) {	8272	pub const NLDLY = if (is_ppc or native_arch == .alpha) enum(u2) {
7685	NL0 = 0,	8273	NL0 = 0,
7686	NL1 = 1,	8274	NL1 = 1,
7687	NL2 = 2,	8275	NL2 = 2,
...	@@ -7722,7 +8310,7 @@ pub const FFDLY = enum(u1) {	...	@@ -7722,7 +8310,7 @@ pub const FFDLY = enum(u1) {
7722	FF1 = 1,	8310	FF1 = 1,
7723	};	8311	};
7724		8312
7725	pub const tc_oflag_t = if (is_ppc) packed struct(tcflag_t) {	8313	pub const tc_oflag_t = if (is_ppc or native_arch == .alpha) packed struct(tcflag_t) {
7726	OPOST: bool = false,	8314	OPOST: bool = false,
7727	ONLCR: bool = false,	8315	ONLCR: bool = false,
7728	OLCUC: bool = false,	8316	OLCUC: bool = false,
...	@@ -7781,7 +8369,7 @@ pub const CSIZE = enum(u2) {	...	@@ -7781,7 +8369,7 @@ pub const CSIZE = enum(u2) {
7781	CS8 = 3,	8369	CS8 = 3,
7782	};	8370	};
7783		8371
7784	pub const tc_cflag_t = if (is_ppc) packed struct(tcflag_t) {	8372	pub const tc_cflag_t = if (is_ppc or native_arch == .alpha) packed struct(tcflag_t) {
7785	_0: u8 = 0,	8373	_0: u8 = 0,
7786	CSIZE: CSIZE = .CS5,	8374	CSIZE: CSIZE = .CS5,
7787	CSTOPB: bool = false,	8375	CSTOPB: bool = false,
...	@@ -7828,7 +8416,7 @@ pub const tc_lflag_t = if (is_mips) packed struct(tcflag_t) {	...	@@ -7828,7 +8416,7 @@ pub const tc_lflag_t = if (is_mips) packed struct(tcflag_t) {
7828	TOSTOP: bool = false,	8416	TOSTOP: bool = false,
7829	EXTPROC: bool = false,	8417	EXTPROC: bool = false,
7830	_17: u15 = 0,	8418	_17: u15 = 0,
7831	} else if (is_ppc) packed struct(tcflag_t) {	8419	} else if (is_ppc or native_arch == .alpha) packed struct(tcflag_t) {
7832	ECHOKE: bool = false,	8420	ECHOKE: bool = false,
7833	ECHOE: bool = false,	8421	ECHOE: bool = false,
7834	ECHOK: bool = false,	8422	ECHOK: bool = false,
...	@@ -7929,6 +8517,24 @@ pub const V = if (is_mips) enum(u32) {	...	@@ -7929,6 +8517,24 @@ pub const V = if (is_mips) enum(u32) {
7929	STOP = 14,	8517	STOP = 14,
7930	LNEXT = 15,	8518	LNEXT = 15,
7931	DISCARD = 16,	8519	DISCARD = 16,
		8520	} else if (arch_bits == .alpha) enum(u32) {
		8521	EOF = 0,
		8522	EOL = 1,
		8523	EOL2 = 2,
		8524	ERASE = 3,
		8525	WERASE = 4,
		8526	KILL = 5,
		8527	REPRINT = 6,
		8528	SWTC = 7,
		8529	INTR = 8,
		8530	QUIT = 9,
		8531	SUSP = 10,
		8532	START = 12,
		8533	STOP = 13,
		8534	LNEXT = 14,
		8535	DISCARD = 15,
		8536	MIN = 16,
		8537	TIME = 17,
7932	} else enum(u32) {	8538	} else enum(u32) {
7933	INTR = 0,	8539	INTR = 0,
7934	QUIT = 1,	8540	QUIT = 1,
...	@@ -7959,7 +8565,7 @@ pub const sgttyb = if (is_mips or is_ppc or is_sparc) extern struct {	...	@@ -7959,7 +8565,7 @@ pub const sgttyb = if (is_mips or is_ppc or is_sparc) extern struct {
7959	flags: if (is_mips) c_int else c_short,	8565	flags: if (is_mips) c_int else c_short,
7960	} else void;	8566	} else void;
7961		8567
7962	pub const tchars = if (is_mips or is_ppc or is_sparc) extern struct {	8568	pub const tchars = if (is_mips or is_ppc or is_sparc or native_arch == .alpha) extern struct {
7963	intrc: c_char,	8569	intrc: c_char,
7964	quitc: c_char,	8570	quitc: c_char,
7965	startc: c_char,	8571	startc: c_char,
...	@@ -7968,7 +8574,7 @@ pub const tchars = if (is_mips or is_ppc or is_sparc) extern struct {	...	@@ -7968,7 +8574,7 @@ pub const tchars = if (is_mips or is_ppc or is_sparc) extern struct {
7968	brkc: c_char,	8574	brkc: c_char,
7969	} else void;	8575	} else void;
7970		8576
7971	pub const ltchars = if (is_mips or is_ppc or is_sparc) extern struct {	8577	pub const ltchars = if (is_mips or is_ppc or is_sparc or native_arch == .alpha) extern struct {
7972	suspc: c_char,	8578	suspc: c_char,
7973	dsuspc: c_char,	8579	dsuspc: c_char,
7974	rprntc: c_char,	8580	rprntc: c_char,
...	@@ -7993,7 +8599,7 @@ pub const termios = if (is_mips or is_sparc) extern struct {	...	@@ -7993,7 +8599,7 @@ pub const termios = if (is_mips or is_sparc) extern struct {
7993	lflag: tc_lflag_t,	8599	lflag: tc_lflag_t,
7994	line: cc_t,	8600	line: cc_t,
7995	cc: [NCCS]cc_t,	8601	cc: [NCCS]cc_t,
7996	} else if (is_ppc) extern struct {	8602	} else if (is_ppc or native_arch == .alpha) extern struct {
7997	iflag: tc_iflag_t,	8603	iflag: tc_iflag_t,
7998	oflag: tc_oflag_t,	8604	oflag: tc_oflag_t,
7999	cflag: tc_cflag_t,	8605	cflag: tc_cflag_t,
...	@@ -8013,7 +8619,7 @@ pub const termios = if (is_mips or is_sparc) extern struct {	...	@@ -8013,7 +8619,7 @@ pub const termios = if (is_mips or is_sparc) extern struct {
8013	ospeed: speed_t,	8619	ospeed: speed_t,
8014	};	8620	};
8015		8621
8016	pub const termios2 = if (is_mips) extern struct {	8622	pub const termios2 = if (is_mips or native_arch == .alpha) extern struct {
8017	iflag: tc_iflag_t,	8623	iflag: tc_iflag_t,
8018	oflag: tc_oflag_t,	8624	oflag: tc_oflag_t,
8019	cflag: tc_cflag_t,	8625	cflag: tc_cflag_t,
...	@@ -8592,6 +9198,49 @@ pub const rlimit_resource = if (native_arch.isMIPS()) enum(c_int) {	...	@@ -8592,6 +9198,49 @@ pub const rlimit_resource = if (native_arch.isMIPS()) enum(c_int) {
8592	/// call before being forcibly descheduled.	9198	/// call before being forcibly descheduled.
8593	RTTIME = 15,	9199	RTTIME = 15,
8594		9200
		9201	_,
		9202	} else if (native_arch == .alpha) enum(c_int) {
		9203	/// Per-process CPU limit, in seconds.
		9204	CPU = 0,
		9205	/// Largest file that can be created, in bytes.
		9206	FSIZE = 1,
		9207	/// Maximum size of data segment, in bytes.
		9208	DATA = 2,
		9209	/// Maximum size of stack segment, in bytes.
		9210	STACK = 3,
		9211	/// Largest core file that can be created, in bytes.
		9212	CORE = 4,
		9213	/// Largest resident set size, in bytes.
		9214	/// This affects swapping; processes that are exceeding their
		9215	/// resident set size will be more likely to have physical memory
		9216	/// taken from them.
		9217	RSS = 5,
		9218	/// Number of open files.
		9219	NOFILE = 6,
		9220	/// Address space limit.
		9221	AS = 7,
		9222	/// Number of processes.
		9223	NPROC = 8,
		9224	/// Locked-in-memory address space.
		9225	MEMLOCK = 9,
		9226	/// Maximum number of file locks.
		9227	LOCKS = 10,
		9228	/// Maximum number of pending signals.
		9229	SIGPENDING = 11,
		9230	/// Maximum bytes in POSIX message queues.
		9231	MSGQUEUE = 12,
		9232	/// Maximum nice priority allowed to raise to.
		9233	/// Nice levels 19 .. -20 correspond to 0 .. 39
		9234	/// values of this resource limit.
		9235	NICE = 13,
		9236	/// Maximum realtime priority allowed for non-privileged
		9237	/// processes.
		9238	RTPRIO = 14,
		9239	/// Maximum CPU time in µs that a process scheduled under a real-time
		9240	/// scheduling policy may consume without making a blocking system
		9241	/// call before being forcibly descheduled.
		9242	RTTIME = 15,
		9243
8595	_,	9244	_,
8596	} else enum(c_int) {	9245	} else enum(c_int) {
8597	/// Per-process CPU limit, in seconds.	9246	/// Per-process CPU limit, in seconds.
...	@@ -8642,7 +9291,10 @@ pub const rlim_t = u64;	...	@@ -8642,7 +9291,10 @@ pub const rlim_t = u64;
8642		9291
8643	pub const RLIM = struct {	9292	pub const RLIM = struct {
8644	/// No limit	9293	/// No limit
8645	pub const INFINITY = ~@as(rlim_t, 0);	9294	pub const INFINITY: rlim_t = if (native_arch == .alpha)
		9295	~@as(u63, 0)
		9296	else
		9297	~@as(rlim_t, 0);
8646		9298
8647	pub const SAVED_MAX = INFINITY;	9299	pub const SAVED_MAX = INFINITY;
8648	pub const SAVED_CUR = INFINITY;	9300	pub const SAVED_CUR = INFINITY;

lib/std/os/linux/IoUring/test.zig+2

...	@@ -1273,6 +1273,8 @@ test "symlinkat" {	...	@@ -1273,6 +1273,8 @@ test "symlinkat" {
1273	.SUCCESS => {},	1273	.SUCCESS => {},
1274	// This kernel's io_uring does not yet implement symlinkat (kernel version < 5.15)	1274	// This kernel's io_uring does not yet implement symlinkat (kernel version < 5.15)
1275	.BADF, .INVAL => return error.SkipZigTest,	1275	.BADF, .INVAL => return error.SkipZigTest,
		1276	// Can occur on certain filesystems (seen on CIFS)
		1277	.OPNOTSUPP => return error.SkipZigTest,
1276	else => \|errno\| std.debug.panic("unhandled errno: {}", .{errno}),	1278	else => \|errno\| std.debug.panic("unhandled errno: {}", .{errno}),
1277	}	1279	}
1278	try testing.expectEqual(linux.io_uring_cqe{	1280	try testing.expectEqual(linux.io_uring_cqe{

lib/std/os/linux/alpha.zig created+358

...	@@ -0,0 +1,358 @@
1	const builtin = @import("builtin");
2	const std = @import("../../std.zig");
3	const SYS = std.os.linux.SYS;
4
5	pub fn syscall0(number: SYS) u64 {
6	return asm volatile (
7	\\ callsys
8	\\ beq $19, 1f
9	\\ negq $0, $0
10	\\1:
11	: [ret] "={$0}" (-> u64),
12	: [number] "{$0}" (number),
13	: .{
14	.r1 = true,
15	.r2 = true,
16	.r3 = true,
17	.r4 = true,
18	.r5 = true,
19	.r6 = true,
20	.r7 = true,
21	.r8 = true,
22	.r22 = true,
23	.r23 = true,
24	.r24 = true,
25	.r25 = true,
26	.r27 = true,
27	.r28 = true,
28	.memory = true,
29	.r16 = true,
30	.r17 = true,
31	.r18 = true,
32	.r20 = true,
33	.r21 = true,
34	});
35	}
36
37	pub fn syscall1(number: SYS, arg1: u64) u64 {
38	// These registers are both inputs and clobbers.
39	var r16_out: u64 = undefined;
40	return asm volatile (
41	\\ callsys
42	\\ beq $19, 1f
43	\\ negq $0, $0
44	\\1:
45	: [ret] "={$0}" (-> u64),
46	[r16_out] "={$16}" (r16_out),
47	: [number] "{$0}" (number),
48	[arg1] "{$16}" (arg1),
49	: .{
50	.r1 = true,
51	.r2 = true,
52	.r3 = true,
53	.r4 = true,
54	.r5 = true,
55	.r6 = true,
56	.r7 = true,
57	.r8 = true,
58	.r22 = true,
59	.r23 = true,
60	.r24 = true,
61	.r25 = true,
62	.r27 = true,
63	.r28 = true,
64	.memory = true,
65	.r17 = true,
66	.r18 = true,
67	.r20 = true,
68	.r21 = true,
69	});
70	}
71
72	pub fn syscall2(number: SYS, arg1: u64, arg2: u64) u64 {
73	// These registers are both inputs and clobbers.
74	var r16_out: u64 = undefined;
75	var r17_out: u64 = undefined;
76	return asm volatile (
77	\\ callsys
78	\\ beq $19, 1f
79	\\ negq $0, $0
80	\\1:
81	: [ret] "={$0}" (-> u64),
82	[r16_out] "={$16}" (r16_out),
83	[r17_out] "={$17}" (r17_out),
84	: [number] "{$0}" (number),
85	[arg1] "{$16}" (arg1),
86	[arg2] "{$17}" (arg2),
87	: .{
88	.r1 = true,
89	.r2 = true,
90	.r3 = true,
91	.r4 = true,
92	.r5 = true,
93	.r6 = true,
94	.r7 = true,
95	.r8 = true,
96	.r22 = true,
97	.r23 = true,
98	.r24 = true,
99	.r25 = true,
100	.r27 = true,
101	.r28 = true,
102	.memory = true,
103	.r18 = true,
104	.r20 = true,
105	.r21 = true,
106	});
107	}
108
109	pub fn syscall3(number: SYS, arg1: u64, arg2: u64, arg3: u64) u64 {
110	// These registers are both inputs and clobbers.
111	var r16_out: u64 = undefined;
112	var r17_out: u64 = undefined;
113	var r18_out: u64 = undefined;
114	return asm volatile (
115	\\ callsys
116	\\ beq $19, 1f
117	\\ negq $0, $0
118	\\1:
119	: [ret] "={$0}" (-> u64),
120	[r16_out] "={$16}" (r16_out),
121	[r17_out] "={$17}" (r17_out),
122	[r18_out] "={$18}" (r18_out),
123	: [number] "{$0}" (number),
124	[arg1] "{$16}" (arg1),
125	[arg2] "{$17}" (arg2),
126	[arg3] "{$18}" (arg3),
127	: .{
128	.r1 = true,
129	.r2 = true,
130	.r3 = true,
131	.r4 = true,
132	.r5 = true,
133	.r6 = true,
134	.r7 = true,
135	.r8 = true,
136	.r22 = true,
137	.r23 = true,
138	.r24 = true,
139	.r25 = true,
140	.r27 = true,
141	.r28 = true,
142	.memory = true,
143	.r20 = true,
144	.r21 = true,
145	});
146	}
147
148	pub fn syscall4(number: SYS, arg1: u64, arg2: u64, arg3: u64, arg4: u64) u64 {
149	// These registers are both inputs and clobbers.
150	var r16_out: u64 = undefined;
151	var r17_out: u64 = undefined;
152	var r18_out: u64 = undefined;
153	var r19_out: u64 = undefined;
154	return asm volatile (
155	\\ callsys
156	\\ beq $19, 1f
157	\\ negq $0, $0
158	\\1:
159	: [ret] "={$0}" (-> u64),
160	[r16_out] "={$16}" (r16_out),
161	[r17_out] "={$17}" (r17_out),
162	[r18_out] "={$18}" (r18_out),
163	[r19_out] "={$19}" (r19_out),
164	: [number] "{$0}" (number),
165	[arg1] "{$16}" (arg1),
166	[arg2] "{$17}" (arg2),
167	[arg3] "{$18}" (arg3),
168	[arg4] "{$19}" (arg4),
169	: .{
170	.r1 = true,
171	.r2 = true,
172	.r3 = true,
173	.r4 = true,
174	.r5 = true,
175	.r6 = true,
176	.r7 = true,
177	.r8 = true,
178	.r22 = true,
179	.r23 = true,
180	.r24 = true,
181	.r25 = true,
182	.r27 = true,
183	.r28 = true,
184	.memory = true,
185	.r20 = true,
186	.r21 = true,
187	});
188	}
189
190	pub fn syscall5(number: SYS, arg1: u64, arg2: u64, arg3: u64, arg4: u64, arg5: u64) u64 {
191	// These registers are both inputs and clobbers.
192	var r16_out: u64 = undefined;
193	var r17_out: u64 = undefined;
194	var r18_out: u64 = undefined;
195	var r19_out: u64 = undefined;
196	var r20_out: u64 = undefined;
197	return asm volatile (
198	\\ callsys
199	\\ beq $19, 1f
200	\\ negq $0, $0
201	\\1:
202	: [ret] "={$0}" (-> u64),
203	[r16_out] "={$16}" (r16_out),
204	[r17_out] "={$17}" (r17_out),
205	[r18_out] "={$18}" (r18_out),
206	[r19_out] "={$19}" (r19_out),
207	[r20_out] "={$20}" (r20_out),
208	: [number] "{$0}" (number),
209	[arg1] "{$16}" (arg1),
210	[arg2] "{$17}" (arg2),
211	[arg3] "{$18}" (arg3),
212	[arg4] "{$19}" (arg4),
213	[arg5] "{$20}" (arg5),
214	: .{
215	.r1 = true,
216	.r2 = true,
217	.r3 = true,
218	.r4 = true,
219	.r5 = true,
220	.r6 = true,
221	.r7 = true,
222	.r8 = true,
223	.r22 = true,
224	.r23 = true,
225	.r24 = true,
226	.r25 = true,
227	.r27 = true,
228	.r28 = true,
229	.memory = true,
230	.r21 = true,
231	});
232	}
233
234	pub fn syscall6(
235	number: SYS,
236	arg1: u64,
237	arg2: u64,
238	arg3: u64,
239	arg4: u64,
240	arg5: u64,
241	arg6: u64,
242	) u64 {
243	// These registers are both inputs and clobbers.
244	var r16_out: u64 = undefined;
245	var r17_out: u64 = undefined;
246	var r18_out: u64 = undefined;
247	var r19_out: u64 = undefined;
248	var r20_out: u64 = undefined;
249	var r21_out: u64 = undefined;
250	return asm volatile (
251	\\ callsys
252	\\ beq $19, 1f
253	\\ negq $0, $0
254	\\1:
255	: [ret] "={$0}" (-> u64),
256	[r16_out] "={$16}" (r16_out),
257	[r17_out] "={$17}" (r17_out),
258	[r18_out] "={$18}" (r18_out),
259	[r19_out] "={$19}" (r19_out),
260	[r20_out] "={$20}" (r20_out),
261	[r21_out] "={$21}" (r21_out),
262	: [number] "{$0}" (number),
263	[arg1] "{$16}" (arg1),
264	[arg2] "{$17}" (arg2),
265	[arg3] "{$18}" (arg3),
266	[arg4] "{$19}" (arg4),
267	[arg5] "{$20}" (arg5),
268	[arg6] "{$21}" (arg6),
269	: .{
270	.r1 = true,
271	.r2 = true,
272	.r3 = true,
273	.r4 = true,
274	.r5 = true,
275	.r6 = true,
276	.r7 = true,
277	.r8 = true,
278	.r22 = true,
279	.r23 = true,
280	.r24 = true,
281	.r25 = true,
282	.r27 = true,
283	.r28 = true,
284	.memory = true,
285	});
286	}
287
288	pub fn clone() callconv(.naked) u64 {
289	// __clone(func, stack, flags, arg, ptid, tls, ctid)
290	// a0, a1, a2, a3, a4, a5, +0
291	//
292	// syscall(SYS_clone, flags, stack, ptid, ctid, tls)
293	// v0 a0, a1, a2, a3, a4
294	asm volatile (
295	// a0 = $16, a1 = $17, a2 = $18, a3 = $19,
296	// a4 = $20, a5 = $21, sp = $30, v0 = $0
297	\\ # Save function pointer and argument pointer on new thread stack
298	\\ ldi $1, -8
299	\\ and $17, $17, $1
300	\\ lda $17, -16($17)
301	\\ stq $16, 0($17)
302	\\ stq $19, 8($17)
303	\\
304	\\ # Shuffle (fn,sp,fl,arg,ptid,tls,ctid) to (fl,sp,ptid,ctid,tls)
305	\\ mov $18, $16
306	\\ mov $20, $18
307	\\ ldq $19, 0($30)
308	\\ mov $21, $20
309	\\
310	\\ # Actual syscall
311	\\ ldi $0, 312 # SYS_clone
312	\\ callsys
313	\\ beq $19, 1f
314	\\ negq $0, $0
315	\\ ret
316	\\1:
317	\\ beq $0, 2f
318	\\ ret
319	\\2:
320	);
321	if (builtin.unwind_tables != .none or !builtin.strip_debug_info) asm volatile (
322	// ra = $26
323	\\ .cfi_undefined $26
324	);
325	asm volatile (
326	// v0 = $0, t9 = $23, a0 = $16, ra = $26, sp = $30, fp = $15
327	\\ mov 0, $15
328	\\
329	\\ ldq $23, 0($30)
330	\\ ldq $16, 8($30)
331	\\ lda $30, 16($30)
332	\\ jsr $26, ($23)
333	\\
334	\\ mov $0, $16
335	\\ ldi $0, 1 # SYS_EXIT
336	\\ callsys
337	);
338	}
339
340	pub fn restore() noreturn {
341	asm volatile (
342	// v0 = $0, a0 = $16, sp = $30
343	\\ mov $30, $16
344	\\ ldi $0, 103 # SIGRETURN
345	\\ callsys
346	);
347	}
348
349	pub fn restore_rt() noreturn {
350	asm volatile (
351	// v0 = $0, a0 = $16, sp = $30
352	\\ mov $30, $16
353	\\ ldi $0, 351 # RT_SIGRETURN
354	\\ callsys
355	);
356	}
357
358	pub const VDSO = void;

lib/std/os/linux/ioctl.zig+1

...	@@ -11,6 +11,7 @@ const bits = switch (@import("builtin").cpu.arch) {	...	@@ -11,6 +11,7 @@ const bits = switch (@import("builtin").cpu.arch) {
11	.powerpc64le,	11	.powerpc64le,
12	.sparc,	12	.sparc,
13	.sparc64,	13	.sparc64,
		14	.alpha,
14	=> .{ .size = 13, .dir = 3, .none = 1, .read = 2, .write = 4 },	15	=> .{ .size = 13, .dir = 3, .none = 1, .read = 2, .write = 4 },
15	else => .{ .size = 14, .dir = 2, .none = 0, .read = 2, .write = 1 },	16	else => .{ .size = 14, .dir = 2, .none = 0, .read = 2, .write = 1 },
16	};	17	};

lib/std/os/linux/syscalls.zig+502

...	@@ -5851,6 +5851,508 @@ pub const Xtensa = enum(usize) {	...	@@ -5851,6 +5851,508 @@ pub const Xtensa = enum(usize) {
5851	rseq_slice_yield = 471,	5851	rseq_slice_yield = 471,
5852	};	5852	};
5853		5853
		5854	pub const Alpha = enum(usize) {
		5855	osf_syscall = 0,
		5856	exit = 1,
		5857	fork = 2,
		5858	read = 3,
		5859	write = 4,
		5860	osf_old_open = 5,
		5861	close = 6,
		5862	osf_wait4 = 7,
		5863	osf_old_creat = 8,
		5864	link = 9,
		5865	unlink = 10,
		5866	osf_execve = 11,
		5867	chdir = 12,
		5868	fchdir = 13,
		5869	mknod = 14,
		5870	chmod = 15,
		5871	chown = 16,
		5872	brk = 17,
		5873	osf_getfsstat = 18,
		5874	lseek = 19,
		5875	getpid = 20,
		5876	osf_mount = 21,
		5877	umount2 = 22,
		5878	setuid = 23,
		5879	getuid = 24,
		5880	exec_with_loader = 25,
		5881	ptrace = 26,
		5882	osf_nrecvmsg = 27,
		5883	osf_nsendmsg = 28,
		5884	osf_nrecvfrom = 29,
		5885	osf_naccept = 30,
		5886	osf_ngetpeername = 31,
		5887	osf_ngetsockname = 32,
		5888	access = 33,
		5889	osf_chflags = 34,
		5890	osf_fchflags = 35,
		5891	sync = 36,
		5892	kill = 37,
		5893	osf_old_stat = 38,
		5894	setpgid = 39,
		5895	osf_old_lstat = 40,
		5896	dup = 41,
		5897	pipe = 42,
		5898	osf_set_program_attributes = 43,
		5899	osf_profil = 44,
		5900	open = 45,
		5901	osf_old_sigaction = 46,
		5902	getgid = 47,
		5903	osf_sigprocmask = 48,
		5904	osf_getlogin = 49,
		5905	osf_setlogin = 50,
		5906	acct = 51,
		5907	sigpending = 52,
		5908	ioctl = 54,
		5909	osf_reboot = 55,
		5910	osf_revoke = 56,
		5911	symlink = 57,
		5912	readlink = 58,
		5913	execve = 59,
		5914	umask = 60,
		5915	chroot = 61,
		5916	osf_old_fstat = 62,
		5917	getpgrp = 63,
		5918	getpagesize = 64,
		5919	osf_mremap = 65,
		5920	vfork = 66,
		5921	stat = 67,
		5922	lstat = 68,
		5923	osf_sbrk = 69,
		5924	osf_sstk = 70,
		5925	mmap = 71,
		5926	osf_old_vadvise = 72,
		5927	munmap = 73,
		5928	mprotect = 74,
		5929	madvise = 75,
		5930	vhangup = 76,
		5931	osf_kmodcall = 77,
		5932	osf_mincore = 78,
		5933	getgroups = 79,
		5934	setgroups = 80,
		5935	osf_old_getpgrp = 81,
		5936	setpgrp = 82,
		5937	osf_setitimer = 83,
		5938	osf_old_wait = 84,
		5939	osf_table = 85,
		5940	osf_getitimer = 86,
		5941	gethostname = 87,
		5942	sethostname = 88,
		5943	getdtablesize = 89,
		5944	dup2 = 90,
		5945	fstat = 91,
		5946	fcntl = 92,
		5947	osf_select = 93,
		5948	poll = 94,
		5949	fsync = 95,
		5950	setpriority = 96,
		5951	socket = 97,
		5952	connect = 98,
		5953	accept = 99,
		5954	getpriority = 100,
		5955	send = 101,
		5956	recv = 102,
		5957	sigreturn = 103,
		5958	bind = 104,
		5959	setsockopt = 105,
		5960	listen = 106,
		5961	osf_plock = 107,
		5962	osf_old_sigvec = 108,
		5963	osf_old_sigblock = 109,
		5964	osf_old_sigsetmask = 110,
		5965	sigsuspend = 111,
		5966	osf_sigstack = 112,
		5967	recvmsg = 113,
		5968	sendmsg = 114,
		5969	osf_old_vtrace = 115,
		5970	osf_gettimeofday = 116,
		5971	osf_getrusage = 117,
		5972	getsockopt = 118,
		5973	readv = 120,
		5974	writev = 121,
		5975	osf_settimeofday = 122,
		5976	fchown = 123,
		5977	fchmod = 124,
		5978	recvfrom = 125,
		5979	setreuid = 126,
		5980	setregid = 127,
		5981	rename = 128,
		5982	truncate = 129,
		5983	ftruncate = 130,
		5984	flock = 131,
		5985	setgid = 132,
		5986	sendto = 133,
		5987	shutdown = 134,
		5988	socketpair = 135,
		5989	mkdir = 136,
		5990	rmdir = 137,
		5991	osf_utimes = 138,
		5992	osf_old_sigreturn = 139,
		5993	osf_adjtime = 140,
		5994	getpeername = 141,
		5995	osf_gethostid = 142,
		5996	osf_sethostid = 143,
		5997	getrlimit = 144,
		5998	setrlimit = 145,
		5999	osf_old_killpg = 146,
		6000	setsid = 147,
		6001	quotactl = 148,
		6002	osf_oldquota = 149,
		6003	getsockname = 150,
		6004	osf_pid_block = 153,
		6005	osf_pid_unblock = 154,
		6006	sigaction = 156,
		6007	osf_sigwaitprim = 157,
		6008	osf_nfssvc = 158,
		6009	osf_getdirentries = 159,
		6010	osf_statfs = 160,
		6011	osf_fstatfs = 161,
		6012	osf_asynch_daemon = 163,
		6013	osf_getfh = 164,
		6014	osf_getdomainname = 165,
		6015	setdomainname = 166,
		6016	osf_exportfs = 169,
		6017	osf_alt_plock = 181,
		6018	osf_getmnt = 184,
		6019	osf_alt_sigpending = 187,
		6020	osf_alt_setsid = 188,
		6021	osf_swapon = 199,
		6022	msgctl = 200,
		6023	msgget = 201,
		6024	msgrcv = 202,
		6025	msgsnd = 203,
		6026	semctl = 204,
		6027	semget = 205,
		6028	semop = 206,
		6029	osf_utsname = 207,
		6030	lchown = 208,
		6031	shmat = 209,
		6032	shmctl = 210,
		6033	shmdt = 211,
		6034	shmget = 212,
		6035	osf_mvalid = 213,
		6036	osf_getaddressconf = 214,
		6037	osf_msleep = 215,
		6038	osf_mwakeup = 216,
		6039	msync = 217,
		6040	osf_signal = 218,
		6041	osf_utc_gettime = 219,
		6042	osf_utc_adjtime = 220,
		6043	osf_security = 222,
		6044	osf_kloadcall = 223,
		6045	osf_stat = 224,
		6046	osf_lstat = 225,
		6047	osf_fstat = 226,
		6048	osf_statfs64 = 227,
		6049	osf_fstatfs64 = 228,
		6050	getpgid = 233,
		6051	getsid = 234,
		6052	sigaltstack = 235,
		6053	osf_waitid = 236,
		6054	osf_priocntlset = 237,
		6055	osf_sigsendset = 238,
		6056	osf_set_speculative = 239,
		6057	osf_msfs_syscall = 240,
		6058	osf_sysinfo = 241,
		6059	osf_uadmin = 242,
		6060	osf_fuser = 243,
		6061	osf_proplist_syscall = 244,
		6062	osf_ntp_adjtime = 245,
		6063	osf_ntp_gettime = 246,
		6064	osf_pathconf = 247,
		6065	osf_fpathconf = 248,
		6066	osf_uswitch = 250,
		6067	osf_usleep_thread = 251,
		6068	osf_audcntl = 252,
		6069	osf_audgen = 253,
		6070	sysfs = 254,
		6071	osf_subsys_info = 255,
		6072	osf_getsysinfo = 256,
		6073	osf_setsysinfo = 257,
		6074	osf_afs_syscall = 258,
		6075	osf_swapctl = 259,
		6076	osf_memcntl = 260,
		6077	osf_fdatasync = 261,
		6078	bdflush = 300,
		6079	sethae = 301,
		6080	mount = 302,
		6081	old_adjtimex = 303,
		6082	swapoff = 304,
		6083	getdents = 305,
		6084	create_module = 306,
		6085	init_module = 307,
		6086	delete_module = 308,
		6087	get_kernel_syms = 309,
		6088	syslog = 310,
		6089	reboot = 311,
		6090	clone = 312,
		6091	uselib = 313,
		6092	mlock = 314,
		6093	munlock = 315,
		6094	mlockall = 316,
		6095	munlockall = 317,
		6096	sysinfo = 318,
		6097	sysctl = 319,
		6098	oldumount = 321,
		6099	swapon = 322,
		6100	times = 323,
		6101	personality = 324,
		6102	setfsuid = 325,
		6103	setfsgid = 326,
		6104	ustat = 327,
		6105	statfs = 328,
		6106	fstatfs = 329,
		6107	sched_setparam = 330,
		6108	sched_getparam = 331,
		6109	sched_setscheduler = 332,
		6110	sched_getscheduler = 333,
		6111	sched_yield = 334,
		6112	sched_get_priority_max = 335,
		6113	sched_get_priority_min = 336,
		6114	sched_rr_get_interval = 337,
		6115	afs_syscall = 338,
		6116	uname = 339,
		6117	nanosleep = 340,
		6118	mremap = 341,
		6119	nfsservctl = 342,
		6120	setresuid = 343,
		6121	getresuid = 344,
		6122	pciconfig_read = 345,
		6123	pciconfig_write = 346,
		6124	query_module = 347,
		6125	prctl = 348,
		6126	pread64 = 349,
		6127	pwrite64 = 350,
		6128	rt_sigreturn = 351,
		6129	rt_sigaction = 352,
		6130	rt_sigprocmask = 353,
		6131	rt_sigpending = 354,
		6132	rt_sigtimedwait = 355,
		6133	rt_sigqueueinfo = 356,
		6134	rt_sigsuspend = 357,
		6135	select = 358,
		6136	gettimeofday = 359,
		6137	settimeofday = 360,
		6138	getitimer = 361,
		6139	setitimer = 362,
		6140	utimes = 363,
		6141	getrusage = 364,
		6142	wait4 = 365,
		6143	adjtimex = 366,
		6144	getcwd = 367,
		6145	capget = 368,
		6146	capset = 369,
		6147	sendfile = 370,
		6148	setresgid = 371,
		6149	getresgid = 372,
		6150	dipc = 373,
		6151	pivot_root = 374,
		6152	mincore = 375,
		6153	pciconfig_iobase = 376,
		6154	getdents64 = 377,
		6155	gettid = 378,
		6156	readahead = 379,
		6157	tkill = 381,
		6158	setxattr = 382,
		6159	lsetxattr = 383,
		6160	fsetxattr = 384,
		6161	getxattr = 385,
		6162	lgetxattr = 386,
		6163	fgetxattr = 387,
		6164	listxattr = 388,
		6165	llistxattr = 389,
		6166	flistxattr = 390,
		6167	removexattr = 391,
		6168	lremovexattr = 392,
		6169	fremovexattr = 393,
		6170	futex = 394,
		6171	sched_setaffinity = 395,
		6172	sched_getaffinity = 396,
		6173	tuxcall = 397,
		6174	io_setup = 398,
		6175	io_destroy = 399,
		6176	io_getevents = 400,
		6177	io_submit = 401,
		6178	io_cancel = 402,
		6179	exit_group = 405,
		6180	lookup_dcookie = 406,
		6181	epoll_create = 407,
		6182	epoll_ctl = 408,
		6183	epoll_wait = 409,
		6184	remap_file_pages = 410,
		6185	set_tid_address = 411,
		6186	restart_syscall = 412,
		6187	fadvise64 = 413,
		6188	timer_create = 414,
		6189	timer_settime = 415,
		6190	timer_gettime = 416,
		6191	timer_getoverrun = 417,
		6192	timer_delete = 418,
		6193	clock_settime = 419,
		6194	clock_gettime = 420,
		6195	clock_getres = 421,
		6196	clock_nanosleep = 422,
		6197	semtimedop = 423,
		6198	tgkill = 424,
		6199	stat64 = 425,
		6200	lstat64 = 426,
		6201	fstat64 = 427,
		6202	vserver = 428,
		6203	mbind = 429,
		6204	get_mempolicy = 430,
		6205	set_mempolicy = 431,
		6206	mq_open = 432,
		6207	mq_unlink = 433,
		6208	mq_timedsend = 434,
		6209	mq_timedreceive = 435,
		6210	mq_notify = 436,
		6211	mq_getsetattr = 437,
		6212	waitid = 438,
		6213	add_key = 439,
		6214	request_key = 440,
		6215	keyctl = 441,
		6216	ioprio_set = 442,
		6217	ioprio_get = 443,
		6218	inotify_init = 444,
		6219	inotify_add_watch = 445,
		6220	inotify_rm_watch = 446,
		6221	fdatasync = 447,
		6222	kexec_load = 448,
		6223	migrate_pages = 449,
		6224	openat = 450,
		6225	mkdirat = 451,
		6226	mknodat = 452,
		6227	fchownat = 453,
		6228	futimesat = 454,
		6229	fstatat64 = 455,
		6230	unlinkat = 456,
		6231	renameat = 457,
		6232	linkat = 458,
		6233	symlinkat = 459,
		6234	readlinkat = 460,
		6235	fchmodat = 461,
		6236	faccessat = 462,
		6237	pselect6 = 463,
		6238	ppoll = 464,
		6239	unshare = 465,
		6240	set_robust_list = 466,
		6241	get_robust_list = 467,
		6242	splice = 468,
		6243	sync_file_range = 469,
		6244	tee = 470,
		6245	vmsplice = 471,
		6246	move_pages = 472,
		6247	getcpu = 473,
		6248	epoll_pwait = 474,
		6249	utimensat = 475,
		6250	signalfd = 476,
		6251	timerfd = 477,
		6252	eventfd = 478,
		6253	recvmmsg = 479,
		6254	fallocate = 480,
		6255	timerfd_create = 481,
		6256	timerfd_settime = 482,
		6257	timerfd_gettime = 483,
		6258	signalfd4 = 484,
		6259	eventfd2 = 485,
		6260	epoll_create1 = 486,
		6261	dup3 = 487,
		6262	pipe2 = 488,
		6263	inotify_init1 = 489,
		6264	preadv = 490,
		6265	pwritev = 491,
		6266	rt_tgsigqueueinfo = 492,
		6267	perf_event_open = 493,
		6268	fanotify_init = 494,
		6269	fanotify_mark = 495,
		6270	prlimit64 = 496,
		6271	name_to_handle_at = 497,
		6272	open_by_handle_at = 498,
		6273	clock_adjtime = 499,
		6274	syncfs = 500,
		6275	setns = 501,
		6276	accept4 = 502,
		6277	sendmmsg = 503,
		6278	process_vm_readv = 504,
		6279	process_vm_writev = 505,
		6280	kcmp = 506,
		6281	finit_module = 507,
		6282	sched_setattr = 508,
		6283	sched_getattr = 509,
		6284	renameat2 = 510,
		6285	getrandom = 511,
		6286	memfd_create = 512,
		6287	execveat = 513,
		6288	seccomp = 514,
		6289	bpf = 515,
		6290	userfaultfd = 516,
		6291	membarrier = 517,
		6292	mlock2 = 518,
		6293	copy_file_range = 519,
		6294	preadv2 = 520,
		6295	pwritev2 = 521,
		6296	statx = 522,
		6297	io_pgetevents = 523,
		6298	pkey_mprotect = 524,
		6299	pkey_alloc = 525,
		6300	pkey_free = 526,
		6301	rseq = 527,
		6302	statfs64 = 528,
		6303	fstatfs64 = 529,
		6304	getegid = 530,
		6305	geteuid = 531,
		6306	getppid = 532,
		6307	pidfd_send_signal = 534,
		6308	io_uring_setup = 535,
		6309	io_uring_enter = 536,
		6310	io_uring_register = 537,
		6311	open_tree = 538,
		6312	move_mount = 539,
		6313	fsopen = 540,
		6314	fsconfig = 541,
		6315	fsmount = 542,
		6316	fspick = 543,
		6317	pidfd_open = 544,
		6318	clone3 = 545,
		6319	close_range = 546,
		6320	openat2 = 547,
		6321	pidfd_getfd = 548,
		6322	faccessat2 = 549,
		6323	process_madvise = 550,
		6324	epoll_pwait2 = 551,
		6325	mount_setattr = 552,
		6326	quotactl_fd = 553,
		6327	landlock_create_ruleset = 554,
		6328	landlock_add_rule = 555,
		6329	landlock_restrict_self = 556,
		6330	process_mrelease = 558,
		6331	futex_waitv = 559,
		6332	set_mempolicy_home_node = 560,
		6333	cachestat = 561,
		6334	fchmodat2 = 562,
		6335	map_shadow_stack = 563,
		6336	futex_wake = 564,
		6337	futex_wait = 565,
		6338	futex_requeue = 566,
		6339	statmount = 567,
		6340	listmount = 568,
		6341	lsm_get_self_attr = 569,
		6342	lsm_set_self_attr = 570,
		6343	lsm_list_modules = 571,
		6344	mseal = 572,
		6345	setxattrat = 573,
		6346	getxattrat = 574,
		6347	listxattrat = 575,
		6348	removexattrat = 576,
		6349	open_tree_attr = 577,
		6350	file_getattr = 578,
		6351	file_setattr = 579,
		6352	listns = 580,
		6353	rseq_slice_yield = 581,
		6354	};
		6355
5854	pub const Arm64 = enum(usize) {	6356	pub const Arm64 = enum(usize) {
5855	io_setup = 0,	6357	io_setup = 0,
5856	io_destroy = 1,	6358	io_destroy = 1,

lib/std/os/linux/tls.zig+1-1

...	@@ -256,7 +256,7 @@ pub fn setThreadPointer(addr: usize) void {	...	@@ -256,7 +256,7 @@ pub fn setThreadPointer(addr: usize) void {
256	},	256	},
257	.alpha => {	257	.alpha => {
258	asm volatile (	258	asm volatile (
259	\\ lda a0, %[addr]	259	\\ lda $16, 0(%[addr])
260	\\ wruniq	260	\\ wruniq
261	:	261	:
262	: [addr] "r" (addr),	262	: [addr] "r" (addr),

tools/generate_linux_syscalls.zig+6

 @@ -28,6 +28,11 @@ const stdlib_renames = std.StaticStringMap([]const u8).initComptime(.{
     // ARM EABI/Thumb.
     .{ "arm_sync_file_range", "sync_file_range" },
     .{ "arm_fadvise64_64", "fadvise64_64" },
+    // Alpha
+    // See https://github.com/torvalds/linux/blob/8bf22c33e7a172fbc72464f4cc484d23a6b412ba/arch/alpha/include/uapi/asm/unistd.h#L10
+    .{ "getxpid", "getpid" },
+    .{ "getxuid", "getuid" },
+    .{ "getxgid", "getgid" },
 });
 /// Filter syscalls that aren't actually syscalls.
 @@ -156,6 +161,7 @@ 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 } },