diff --git a/src/hermit.rs b/src/hermit.rs
index 145d1241b190b..77df54ae12d8d 100644
--- a/src/hermit.rs
+++ b/src/hermit.rs
@@ -267,6 +267,140 @@ pub const STDERR_FILENO: c_int = 2;
 
 pub const TCP_NODELAY: i32 = 1;
 
+pub const EPERM: i32 = 1;
+pub const ENOENT: i32 = 2;
+pub const ESRCH: i32 = 3;
+pub const EINTR: i32 = 4;
+pub const EIO: i32 = 5;
+pub const ENXIO: i32 = 6;
+pub const E2BIG: i32 = 7;
+pub const ENOEXEC: i32 = 8;
+pub const EBADF: i32 = 9;
+pub const ECHILD: i32 = 10;
+pub const EAGAIN: i32 = 11;
+pub const ENOMEM: i32 = 12;
+pub const EACCES: i32 = 13;
+pub const EFAULT: i32 = 14;
+pub const ENOTBLK: i32 = 15;
+pub const EBUSY: i32 = 16;
+pub const EEXIST: i32 = 17;
+pub const EXDEV: i32 = 18;
+pub const ENODEV: i32 = 19;
+pub const ENOTDIR: i32 = 20;
+pub const EISDIR: i32 = 21;
+pub const EINVAL: i32 = 22;
+pub const ENFILE: i32 = 23;
+pub const EMFILE: i32 = 24;
+pub const ENOTTY: i32 = 25;
+pub const ETXTBSY: i32 = 26;
+pub const EFBIG: i32 = 27;
+pub const ENOSPC: i32 = 28;
+pub const ESPIPE: i32 = 29;
+pub const EROFS: i32 = 30;
+pub const EMLINK: i32 = 31;
+pub const EPIPE: i32 = 32;
+pub const EDOM: i32 = 33;
+pub const ERANGE: i32 = 34;
+pub const EDEADLK: i32 = 35;
+pub const ENAMETOOLONG: i32 = 36;
+pub const ENOLCK: i32 = 37;
+pub const ENOSYS: i32 = 38;
+pub const ENOTEMPTY: i32 = 39;
+pub const ELOOP: i32 = 40;
+pub const EWOULDBLOCK: i32 = EAGAIN;
+pub const ENOMSG: i32 = 42;
+pub const EIDRM: i32 = 43;
+pub const ECHRNG: i32 = 44;
+pub const EL2NSYNC: i32 = 45;
+pub const EL3HLT: i32 = 46;
+pub const EL3RST: i32 = 47;
+pub const ELNRNG: i32 = 48;
+pub const EUNATCH: i32 = 49;
+pub const ENOCSI: i32 = 50;
+pub const EL2HLT: i32 = 51;
+pub const EBADE: i32 = 52;
+pub const EBADR: i32 = 53;
+pub const EXFULL: i32 = 54;
+pub const ENOANO: i32 = 55;
+pub const EBADRQC: i32 = 56;
+pub const EBADSLT: i32 = 57;
+pub const EDEADLOCK: i32 = EDEADLK;
+pub const EBFONT: i32 = 59;
+pub const ENOSTR: i32 = 60;
+pub const ENODATA: i32 = 61;
+pub const ETIME: i32 = 62;
+pub const ENOSR: i32 = 63;
+pub const ENONET: i32 = 64;
+pub const ENOPKG: i32 = 65;
+pub const EREMOTE: i32 = 66;
+pub const ENOLINK: i32 = 67;
+pub const EADV: i32 = 68;
+pub const ESRMNT: i32 = 69;
+pub const ECOMM: i32 = 70;
+pub const EPROTO: i32 = 71;
+pub const EMULTIHOP: i32 = 72;
+pub const EDOTDOT: i32 = 73;
+pub const EBADMSG: i32 = 74;
+pub const EOVERFLOW: i32 = 75;
+pub const ENOTUNIQ: i32 = 76;
+pub const EBADFD: i32 = 77;
+pub const EREMCHG: i32 = 78;
+pub const ELIBACC: i32 = 79;
+pub const ELIBBAD: i32 = 80;
+pub const ELIBSCN: i32 = 81;
+pub const ELIBMAX: i32 = 82;
+pub const ELIBEXEC: i32 = 83;
+pub const EILSEQ: i32 = 84;
+pub const ERESTART: i32 = 85;
+pub const ESTRPIPE: i32 = 86;
+pub const EUSERS: i32 = 87;
+pub const ENOTSOCK: i32 = 88;
+pub const EDESTADDRREQ: i32 = 89;
+pub const EMSGSIZE: i32 = 90;
+pub const EPROTOTYPE: i32 = 91;
+pub const ENOPROTOOPT: i32 = 92;
+pub const EPROTONOSUPPORT: i32 = 93;
+pub const ESOCKTNOSUPPORT: i32 = 94;
+pub const EOPNOTSUPP: i32 = 95;
+pub const EPFNOSUPPORT: i32 = 96;
+pub const EAFNOSUPPORT: i32 = 97;
+pub const EADDRINUSE: i32 = 98;
+pub const EADDRNOTAVAIL: i32 = 99;
+pub const ENETDOWN: i32 = 100;
+pub const ENETUNREACH: i32 = 101;
+pub const ENETRESET: i32 = 102;
+pub const ECONNABORTED: i32 = 103;
+pub const ECONNRESET: i32 = 104;
+pub const ENOBUFS: i32 = 105;
+pub const EISCONN: i32 = 106;
+pub const ENOTCONN: i32 = 107;
+pub const ESHUTDOWN: i32 = 108;
+pub const ETOOMANYREFS: i32 = 109;
+pub const ETIMEDOUT: i32 = 110;
+pub const ECONNREFUSED: i32 = 111;
+pub const EHOSTDOWN: i32 = 112;
+pub const EHOSTUNREACH: i32 = 113;
+pub const EALREADY: i32 = 114;
+pub const EINPROGRESS: i32 = 115;
+pub const ESTALE: i32 = 116;
+pub const EUCLEAN: i32 = 117;
+pub const ENOTNAM: i32 = 118;
+pub const ENAVAIL: i32 = 119;
+pub const EISNAM: i32 = 120;
+pub const EREMOTEIO: i32 = 121;
+pub const EDQUOT: i32 = 122;
+pub const ENOMEDIUM: i32 = 123;
+pub const EMEDIUMTYPE: i32 = 124;
+pub const ECANCELED: i32 = 125;
+pub const ENOKEY: i32 = 126;
+pub const EKEYEXPIRED: i32 = 127;
+pub const EKEYREVOKED: i32 = 128;
+pub const EKEYREJECTED: i32 = 129;
+pub const EOWNERDEAD: i32 = 130;
+pub const ENOTRECOVERABLE: i32 = 131;
+pub const ERFKILL: i32 = 132;
+pub const EHWPOISON: i32 = 133;
+
 extern "C" {
     #[link_name = "sys_alloc"]
     pub fn alloc(size: usize, align: usize) -> *mut u8;