diff --git a/lib/std/os/bits/linux.zig b/lib/std/os/bits/linux.zig
index 86d89016f3..6ef95fa035 100644
--- a/lib/std/os/bits/linux.zig
+++ b/lib/std/os/bits/linux.zig
@@ -10,6 +10,7 @@ usingnamespace @import("../bits.zig");
 
 pub usingnamespace switch (builtin.arch) {
     .mips, .mipsel => @import("linux/errno-mips.zig"),
+    .sparc, .sparcel, .sparcv9 => @import("linux/errno-sparc.zig"),
     else => @import("linux/errno-generic.zig"),
 };
 
diff --git a/lib/std/os/bits/linux/errno-mips.zig b/lib/std/os/bits/linux/errno-mips.zig
index 2c74fa6f8c..2c22290288 100644
--- a/lib/std/os/bits/linux/errno-mips.zig
+++ b/lib/std/os/bits/linux/errno-mips.zig
@@ -3,6 +3,9 @@
 // This file is part of [zig](https://ziglang.org/), which is MIT licensed.
 // The MIT license requires this copyright notice to be included in all copies
 // and substantial portions of the software.
+
+// These are MIPS ABI compatible.
+
 pub const EPERM = 1;
 pub const ENOENT = 2;
 pub const ESRCH = 3;
@@ -37,6 +40,7 @@ pub const EMLINK = 31;
 pub const EPIPE = 32;
 pub const EDOM = 33;
 pub const ERANGE = 34;
+
 pub const ENOMSG = 35;
 pub const EIDRM = 36;
 pub const ECHRNG = 37;
diff --git a/lib/std/os/bits/linux/errno-sparc.zig b/lib/std/os/bits/linux/errno-sparc.zig
new file mode 100644
index 0000000000..bbeabaaef0
--- /dev/null
+++ b/lib/std/os/bits/linux/errno-sparc.zig
@@ -0,0 +1,144 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) 2015-2021 Zig Contributors
+// This file is part of [zig](https://ziglang.org/), which is MIT licensed.
+// The MIT license requires this copyright notice to be included in all copies
+// and substantial portions of the software.
+
+// These match the SunOS error numbering scheme.
+
+pub const EPERM = 1;
+pub const ENOENT = 2;
+pub const ESRCH = 3;
+pub const EINTR = 4;
+pub const EIO = 5;
+pub const ENXIO = 6;
+pub const E2BIG = 7;
+pub const ENOEXEC = 8;
+pub const EBADF = 9;
+pub const ECHILD = 10;
+pub const EAGAIN = 11;
+pub const ENOMEM = 12;
+pub const EACCES = 13;
+pub const EFAULT = 14;
+pub const ENOTBLK = 15;
+pub const EBUSY = 16;
+pub const EEXIST = 17;
+pub const EXDEV = 18;
+pub const ENODEV = 19;
+pub const ENOTDIR = 20;
+pub const EISDIR = 21;
+pub const EINVAL = 22;
+pub const ENFILE = 23;
+pub const EMFILE = 24;
+pub const ENOTTY = 25;
+pub const ETXTBSY = 26;
+pub const EFBIG = 27;
+pub const ENOSPC = 28;
+pub const ESPIPE = 29;
+pub const EROFS = 30;
+pub const EMLINK = 31;
+pub const EPIPE = 32;
+pub const EDOM = 33;
+pub const ERANGE = 34;
+
+pub const EWOULDBLOCK = EAGAIN;
+pub const EINPROGRESS = 36;
+pub const EALREADY = 37;
+pub const ENOTSOCK = 38;
+pub const EDESTADDRREQ = 39;
+pub const EMSGSIZE = 40;
+pub const EPROTOTYPE = 41;
+pub const ENOPROTOOPT = 42;
+pub const EPROTONOSUPPORT = 43;
+pub const ESOCKTNOSUPPORT = 44;
+pub const EOPNOTSUPP = 45;
+pub const EPFNOSUPPORT = 46;
+pub const EAFNOSUPPORT = 47;
+pub const EADDRINUSE = 48;
+pub const EADDRNOTAVAIL = 49;
+pub const ENETDOWN = 50;
+pub const ENETUNREACH = 51;
+pub const ENETRESET = 52;
+pub const ECONNABORTED = 53;
+pub const ECONNRESET = 54;
+pub const ENOBUFS = 55;
+pub const EISCONN = 56;
+pub const ENOTCONN = 57;
+pub const ESHUTDOWN = 58;
+pub const ETOOMANYREFS = 59;
+pub const ETIMEDOUT = 60;
+pub const ECONNREFUSED = 61;
+pub const ELOOP = 62;
+pub const ENAMETOOLONG = 63;
+pub const EHOSTDOWN = 64;
+pub const EHOSTUNREACH = 65;
+pub const ENOTEMPTY = 66;
+pub const EPROCLIM = 67;
+pub const EUSERS = 68;
+pub const EDQUOT = 69;
+pub const ESTALE = 70;
+pub const EREMOTE = 71;
+pub const ENOSTR = 72;
+pub const ETIME = 73;
+pub const ENOSR = 74;
+pub const ENOMSG = 75;
+pub const EBADMSG = 76;
+pub const EIDRM = 77;
+pub const EDEADLK = 78;
+pub const ENOLCK = 79;
+pub const ENONET = 80;
+pub const ERREMOTE = 81;
+pub const ENOLINK = 82;
+pub const EADV = 83;
+pub const ESRMNT = 84;
+pub const ECOMM = 85;
+pub const EPROTO = 86;
+pub const EMULTIHOP = 87;
+pub const EDOTDOT = 88;
+pub const EREMCHG = 89;
+pub const ENOSYS = 90;
+pub const ESTRPIPE = 91;
+pub const EOVERFLOW = 92;
+pub const EBADFD = 93;
+pub const ECHRNG = 94;
+pub const EL2NSYNC = 95;
+pub const EL3HLT = 96;
+pub const EL3RST = 97;
+pub const ELNRNG = 98;
+pub const EUNATCH = 99;
+pub const ENOCSI = 100;
+pub const EL2HLT = 101;
+pub const EBADE = 102;
+pub const EBADR = 103;
+pub const EXFULL = 104;
+pub const ENOANO = 105;
+pub const EBADRQC = 106;
+pub const EBADSLT = 107;
+pub const EDEADLOCK = 108;
+pub const EBFONT = 109;
+pub const ELIBEXEC = 110;
+pub const ENODATA = 111;
+pub const ELIBBAD = 112;
+pub const ENOPKG = 113;
+pub const ELIBACC = 114;
+pub const ENOTUNIQ = 115;
+pub const ERESTART = 116;
+pub const EUCLEAN = 117;
+pub const ENOTNAM = 118;
+pub const ENAVAIL = 119;
+pub const EISNAM = 120;
+pub const EREMOTEIO = 121;
+pub const EILSEQ = 122;
+pub const ELIBMAX = 123;
+pub const ELIBSCN = 124;
+pub const ENOMEDIUM = 125;
+pub const EMEDIUMTYPE = 126;
+pub const ECANCELED = 127;
+pub const ENOKEY = 128;
+pub const EKEYEXPIRED = 129;
+pub const EKEYREVOKED = 130;
+pub const EKEYREJECTED = 131;
+pub const EOWNERDEAD = 132;
+pub const ENOTRECOVERABLE = 133;
+pub const ERFKILL = 134;
+pub const EHWPOISON = 135;