diff --git a/unix/cap_freebsd.go b/unix/cap_freebsd.go
index 83b6bce..df52048 100644
--- a/unix/cap_freebsd.go
+++ b/unix/cap_freebsd.go
@@ -7,7 +7,7 @@
 package unix
 
 import (
-	errorspkg "errors"
+	"errors"
 	"fmt"
 )
 
@@ -60,26 +60,26 @@
 
 	n := caparsize(rights)
 	if n < capArSizeMin || n > capArSizeMax {
-		return errorspkg.New("bad rights size")
+		return errors.New("bad rights size")
 	}
 
 	for _, right := range setrights {
 		if caprver(right) != CAP_RIGHTS_VERSION_00 {
-			return errorspkg.New("bad right version")
+			return errors.New("bad right version")
 		}
 		i, err := rightToIndex(right)
 		if err != nil {
 			return err
 		}
 		if i >= n {
-			return errorspkg.New("index overflow")
+			return errors.New("index overflow")
 		}
 		if capidxbit(rights.Rights[i]) != capidxbit(right) {
-			return errorspkg.New("index mismatch")
+			return errors.New("index mismatch")
 		}
 		rights.Rights[i] |= right
 		if capidxbit(rights.Rights[i]) != capidxbit(right) {
-			return errorspkg.New("index mismatch (after assign)")
+			return errors.New("index mismatch (after assign)")
 		}
 	}
 
@@ -95,26 +95,26 @@
 
 	n := caparsize(rights)
 	if n < capArSizeMin || n > capArSizeMax {
-		return errorspkg.New("bad rights size")
+		return errors.New("bad rights size")
 	}
 
 	for _, right := range clearrights {
 		if caprver(right) != CAP_RIGHTS_VERSION_00 {
-			return errorspkg.New("bad right version")
+			return errors.New("bad right version")
 		}
 		i, err := rightToIndex(right)
 		if err != nil {
 			return err
 		}
 		if i >= n {
-			return errorspkg.New("index overflow")
+			return errors.New("index overflow")
 		}
 		if capidxbit(rights.Rights[i]) != capidxbit(right) {
-			return errorspkg.New("index mismatch")
+			return errors.New("index mismatch")
 		}
 		rights.Rights[i] &= ^(right & 0x01FFFFFFFFFFFFFF)
 		if capidxbit(rights.Rights[i]) != capidxbit(right) {
-			return errorspkg.New("index mismatch (after assign)")
+			return errors.New("index mismatch (after assign)")
 		}
 	}
 
@@ -130,22 +130,22 @@
 
 	n := caparsize(rights)
 	if n < capArSizeMin || n > capArSizeMax {
-		return false, errorspkg.New("bad rights size")
+		return false, errors.New("bad rights size")
 	}
 
 	for _, right := range setrights {
 		if caprver(right) != CAP_RIGHTS_VERSION_00 {
-			return false, errorspkg.New("bad right version")
+			return false, errors.New("bad right version")
 		}
 		i, err := rightToIndex(right)
 		if err != nil {
 			return false, err
 		}
 		if i >= n {
-			return false, errorspkg.New("index overflow")
+			return false, errors.New("index overflow")
 		}
 		if capidxbit(rights.Rights[i]) != capidxbit(right) {
-			return false, errorspkg.New("index mismatch")
+			return false, errors.New("index mismatch")
 		}
 		if (rights.Rights[i] & right) != right {
 			return false, nil
diff --git a/unix/mkerrors.sh b/unix/mkerrors.sh
index ab2a6f7..a1c5c37 100755
--- a/unix/mkerrors.sh
+++ b/unix/mkerrors.sh
@@ -507,21 +507,26 @@
 
 enum { A = 'A', Z = 'Z', a = 'a', z = 'z' }; // avoid need for single quotes below
 
-int errors[] = {
+struct tuple {
+	int num;
+	const char *name;
+};
+
+struct tuple errors[] = {
 "
 	for i in $errors
 	do
-		echo -E '	'$i,
+		echo -E '	{'$i', "'$i'" },'
 	done
 
 	echo -E "
 };
 
-int signals[] = {
+struct tuple signals[] = {
 "
 	for i in $signals
 	do
-		echo -E '	'$i,
+		echo -E '	{'$i', "'$i'" },'
 	done
 
 	# Use -E because on some systems bash builtin interprets \n itself.
@@ -529,9 +534,9 @@
 };
 
 static int
-intcmp(const void *a, const void *b)
+tuplecmp(const void *a, const void *b)
 {
-	return *(int*)a - *(int*)b;
+	return ((struct tuple *)a)->num - ((struct tuple *)b)->num;
 }
 
 int
@@ -541,26 +546,34 @@
 	char buf[1024], *p;
 
 	printf("\n\n// Error table\n");
-	printf("var errors = [...]string {\n");
-	qsort(errors, nelem(errors), sizeof errors[0], intcmp);
+	printf("var errorList = [...]struct {\n");
+	printf("\tnum  syscall.Errno\n");
+	printf("\tname string\n");
+	printf("\tdesc string\n");
+	printf("} {\n");
+	qsort(errors, nelem(errors), sizeof errors[0], tuplecmp);
 	for(i=0; i<nelem(errors); i++) {
-		e = errors[i];
-		if(i > 0 && errors[i-1] == e)
+		e = errors[i].num;
+		if(i > 0 && errors[i-1].num == e)
 			continue;
 		strcpy(buf, strerror(e));
 		// lowercase first letter: Bad -> bad, but STREAM -> STREAM.
 		if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
 			buf[0] += a - A;
-		printf("\t%d: \"%s\",\n", e, buf);
+		printf("\t{ %d, \"%s\", \"%s\" },\n", e, errors[i].name, buf);
 	}
 	printf("}\n\n");
 
 	printf("\n\n// Signal table\n");
-	printf("var signals = [...]string {\n");
-	qsort(signals, nelem(signals), sizeof signals[0], intcmp);
+	printf("var signalList = [...]struct {\n");
+	printf("\tnum  syscall.Signal\n");
+	printf("\tname string\n");
+	printf("\tdesc string\n");
+	printf("} {\n");
+	qsort(signals, nelem(signals), sizeof signals[0], tuplecmp);
 	for(i=0; i<nelem(signals); i++) {
-		e = signals[i];
-		if(i > 0 && signals[i-1] == e)
+		e = signals[i].num;
+		if(i > 0 && signals[i-1].num == e)
 			continue;
 		strcpy(buf, strsignal(e));
 		// lowercase first letter: Bad -> bad, but STREAM -> STREAM.
@@ -570,7 +583,7 @@
 		p = strrchr(buf, ":"[0]);
 		if(p)
 			*p = '\0';
-		printf("\t%d: \"%s\",\n", e, buf);
+		printf("\t{ %d, \"%s\", \"%s\" },\n", e, signals[i].name, buf);
 	}
 	printf("}\n\n");
 
diff --git a/unix/syscall_darwin.go b/unix/syscall_darwin.go
index 006e21f..693be79 100644
--- a/unix/syscall_darwin.go
+++ b/unix/syscall_darwin.go
@@ -13,7 +13,7 @@
 package unix
 
 import (
-	errorspkg "errors"
+	"errors"
 	"syscall"
 	"unsafe"
 )
@@ -98,7 +98,7 @@
 
 func getAttrList(path string, attrList attrList, attrBuf []byte, options uint) (attrs [][]byte, err error) {
 	if len(attrBuf) < 4 {
-		return nil, errorspkg.New("attrBuf too small")
+		return nil, errors.New("attrBuf too small")
 	}
 	attrList.bitmapCount = attrBitMapCount
 
@@ -134,12 +134,12 @@
 	for i := uint32(0); int(i) < len(dat); {
 		header := dat[i:]
 		if len(header) < 8 {
-			return attrs, errorspkg.New("truncated attribute header")
+			return attrs, errors.New("truncated attribute header")
 		}
 		datOff := *(*int32)(unsafe.Pointer(&header[0]))
 		attrLen := *(*uint32)(unsafe.Pointer(&header[4]))
 		if datOff < 0 || uint32(datOff)+attrLen > uint32(len(dat)) {
-			return attrs, errorspkg.New("truncated results; attrBuf too small")
+			return attrs, errors.New("truncated results; attrBuf too small")
 		}
 		end := uint32(datOff) + attrLen
 		attrs = append(attrs, dat[datOff:end])
diff --git a/unix/syscall_unix.go b/unix/syscall_unix.go
index 262dc52..b835bad 100644
--- a/unix/syscall_unix.go
+++ b/unix/syscall_unix.go
@@ -9,6 +9,7 @@
 import (
 	"bytes"
 	"runtime"
+	"sort"
 	"sync"
 	"syscall"
 	"unsafe"
@@ -51,6 +52,28 @@
 	return e
 }
 
+// ErrnoName returns the error name for error number e.
+func ErrnoName(e syscall.Errno) string {
+	i := sort.Search(len(errorList), func(i int) bool {
+		return errorList[i].num >= e
+	})
+	if i < len(errorList) && errorList[i].num == e {
+		return errorList[i].name
+	}
+	return ""
+}
+
+// SignalName returns the signal name for signal number s.
+func SignalName(s syscall.Signal) string {
+	i := sort.Search(len(signalList), func(i int) bool {
+		return signalList[i].num >= s
+	})
+	if i < len(signalList) && signalList[i].num == s {
+		return signalList[i].name
+	}
+	return ""
+}
+
 // clen returns the index of the first NULL byte in n or len(n) if n contains no NULL byte.
 func clen(n []byte) int {
 	i := bytes.IndexByte(n, 0)
diff --git a/unix/syscall_unix_test.go b/unix/syscall_unix_test.go
index bbdb6fa..7372b3e 100644
--- a/unix/syscall_unix_test.go
+++ b/unix/syscall_unix_test.go
@@ -15,6 +15,7 @@
 	"os/exec"
 	"path/filepath"
 	"runtime"
+	"syscall"
 	"testing"
 	"time"
 
@@ -59,6 +60,44 @@
 	)
 }
 
+func TestErrnoSignalName(t *testing.T) {
+	testErrors := []struct {
+		num  syscall.Errno
+		name string
+	}{
+		{syscall.EPERM, "EPERM"},
+		{syscall.EINVAL, "EINVAL"},
+		{syscall.ENOENT, "ENOENT"},
+	}
+
+	for _, te := range testErrors {
+		t.Run(fmt.Sprintf("%d/%s", te.num, te.name), func(t *testing.T) {
+			e := unix.ErrnoName(te.num)
+			if e != te.name {
+				t.Errorf("ErrnoName(%d) returned %s, want %s", te.num, e, te.name)
+			}
+		})
+	}
+
+	testSignals := []struct {
+		num  syscall.Signal
+		name string
+	}{
+		{syscall.SIGHUP, "SIGHUP"},
+		{syscall.SIGPIPE, "SIGPIPE"},
+		{syscall.SIGSEGV, "SIGSEGV"},
+	}
+
+	for _, ts := range testSignals {
+		t.Run(fmt.Sprintf("%d/%s", ts.num, ts.name), func(t *testing.T) {
+			s := unix.SignalName(ts.num)
+			if s != ts.name {
+				t.Errorf("SignalName(%d) returned %s, want %s", ts.num, s, ts.name)
+			}
+		})
+	}
+}
+
 // TestFcntlFlock tests whether the file locking structure matches
 // the calling convention of each kernel.
 func TestFcntlFlock(t *testing.T) {
diff --git a/unix/zerrors_darwin_386.go b/unix/zerrors_darwin_386.go
index dcba884..c5a9b73 100644
--- a/unix/zerrors_darwin_386.go
+++ b/unix/zerrors_darwin_386.go
@@ -1624,146 +1624,154 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:   "operation not permitted",
-	2:   "no such file or directory",
-	3:   "no such process",
-	4:   "interrupted system call",
-	5:   "input/output error",
-	6:   "device not configured",
-	7:   "argument list too long",
-	8:   "exec format error",
-	9:   "bad file descriptor",
-	10:  "no child processes",
-	11:  "resource deadlock avoided",
-	12:  "cannot allocate memory",
-	13:  "permission denied",
-	14:  "bad address",
-	15:  "block device required",
-	16:  "resource busy",
-	17:  "file exists",
-	18:  "cross-device link",
-	19:  "operation not supported by device",
-	20:  "not a directory",
-	21:  "is a directory",
-	22:  "invalid argument",
-	23:  "too many open files in system",
-	24:  "too many open files",
-	25:  "inappropriate ioctl for device",
-	26:  "text file busy",
-	27:  "file too large",
-	28:  "no space left on device",
-	29:  "illegal seek",
-	30:  "read-only file system",
-	31:  "too many links",
-	32:  "broken pipe",
-	33:  "numerical argument out of domain",
-	34:  "result too large",
-	35:  "resource temporarily unavailable",
-	36:  "operation now in progress",
-	37:  "operation already in progress",
-	38:  "socket operation on non-socket",
-	39:  "destination address required",
-	40:  "message too long",
-	41:  "protocol wrong type for socket",
-	42:  "protocol not available",
-	43:  "protocol not supported",
-	44:  "socket type not supported",
-	45:  "operation not supported",
-	46:  "protocol family not supported",
-	47:  "address family not supported by protocol family",
-	48:  "address already in use",
-	49:  "can't assign requested address",
-	50:  "network is down",
-	51:  "network is unreachable",
-	52:  "network dropped connection on reset",
-	53:  "software caused connection abort",
-	54:  "connection reset by peer",
-	55:  "no buffer space available",
-	56:  "socket is already connected",
-	57:  "socket is not connected",
-	58:  "can't send after socket shutdown",
-	59:  "too many references: can't splice",
-	60:  "operation timed out",
-	61:  "connection refused",
-	62:  "too many levels of symbolic links",
-	63:  "file name too long",
-	64:  "host is down",
-	65:  "no route to host",
-	66:  "directory not empty",
-	67:  "too many processes",
-	68:  "too many users",
-	69:  "disc quota exceeded",
-	70:  "stale NFS file handle",
-	71:  "too many levels of remote in path",
-	72:  "RPC struct is bad",
-	73:  "RPC version wrong",
-	74:  "RPC prog. not avail",
-	75:  "program version wrong",
-	76:  "bad procedure for program",
-	77:  "no locks available",
-	78:  "function not implemented",
-	79:  "inappropriate file type or format",
-	80:  "authentication error",
-	81:  "need authenticator",
-	82:  "device power is off",
-	83:  "device error",
-	84:  "value too large to be stored in data type",
-	85:  "bad executable (or shared library)",
-	86:  "bad CPU type in executable",
-	87:  "shared library version mismatch",
-	88:  "malformed Mach-o file",
-	89:  "operation canceled",
-	90:  "identifier removed",
-	91:  "no message of desired type",
-	92:  "illegal byte sequence",
-	93:  "attribute not found",
-	94:  "bad message",
-	95:  "EMULTIHOP (Reserved)",
-	96:  "no message available on STREAM",
-	97:  "ENOLINK (Reserved)",
-	98:  "no STREAM resources",
-	99:  "not a STREAM",
-	100: "protocol error",
-	101: "STREAM ioctl timeout",
-	102: "operation not supported on socket",
-	103: "policy not found",
-	104: "state not recoverable",
-	105: "previous owner died",
-	106: "interface output queue is full",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "device not configured"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EDEADLK", "resource deadlock avoided"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "resource busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "cross-device link"},
+	{19, "ENODEV", "operation not supported by device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "result too large"},
+	{35, "EAGAIN", "resource temporarily unavailable"},
+	{36, "EINPROGRESS", "operation now in progress"},
+	{37, "EALREADY", "operation already in progress"},
+	{38, "ENOTSOCK", "socket operation on non-socket"},
+	{39, "EDESTADDRREQ", "destination address required"},
+	{40, "EMSGSIZE", "message too long"},
+	{41, "EPROTOTYPE", "protocol wrong type for socket"},
+	{42, "ENOPROTOOPT", "protocol not available"},
+	{43, "EPROTONOSUPPORT", "protocol not supported"},
+	{44, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{45, "ENOTSUP", "operation not supported"},
+	{46, "EPFNOSUPPORT", "protocol family not supported"},
+	{47, "EAFNOSUPPORT", "address family not supported by protocol family"},
+	{48, "EADDRINUSE", "address already in use"},
+	{49, "EADDRNOTAVAIL", "can't assign requested address"},
+	{50, "ENETDOWN", "network is down"},
+	{51, "ENETUNREACH", "network is unreachable"},
+	{52, "ENETRESET", "network dropped connection on reset"},
+	{53, "ECONNABORTED", "software caused connection abort"},
+	{54, "ECONNRESET", "connection reset by peer"},
+	{55, "ENOBUFS", "no buffer space available"},
+	{56, "EISCONN", "socket is already connected"},
+	{57, "ENOTCONN", "socket is not connected"},
+	{58, "ESHUTDOWN", "can't send after socket shutdown"},
+	{59, "ETOOMANYREFS", "too many references: can't splice"},
+	{60, "ETIMEDOUT", "operation timed out"},
+	{61, "ECONNREFUSED", "connection refused"},
+	{62, "ELOOP", "too many levels of symbolic links"},
+	{63, "ENAMETOOLONG", "file name too long"},
+	{64, "EHOSTDOWN", "host is down"},
+	{65, "EHOSTUNREACH", "no route to host"},
+	{66, "ENOTEMPTY", "directory not empty"},
+	{67, "EPROCLIM", "too many processes"},
+	{68, "EUSERS", "too many users"},
+	{69, "EDQUOT", "disc quota exceeded"},
+	{70, "ESTALE", "stale NFS file handle"},
+	{71, "EREMOTE", "too many levels of remote in path"},
+	{72, "EBADRPC", "RPC struct is bad"},
+	{73, "ERPCMISMATCH", "RPC version wrong"},
+	{74, "EPROGUNAVAIL", "RPC prog. not avail"},
+	{75, "EPROGMISMATCH", "program version wrong"},
+	{76, "EPROCUNAVAIL", "bad procedure for program"},
+	{77, "ENOLCK", "no locks available"},
+	{78, "ENOSYS", "function not implemented"},
+	{79, "EFTYPE", "inappropriate file type or format"},
+	{80, "EAUTH", "authentication error"},
+	{81, "ENEEDAUTH", "need authenticator"},
+	{82, "EPWROFF", "device power is off"},
+	{83, "EDEVERR", "device error"},
+	{84, "EOVERFLOW", "value too large to be stored in data type"},
+	{85, "EBADEXEC", "bad executable (or shared library)"},
+	{86, "EBADARCH", "bad CPU type in executable"},
+	{87, "ESHLIBVERS", "shared library version mismatch"},
+	{88, "EBADMACHO", "malformed Mach-o file"},
+	{89, "ECANCELED", "operation canceled"},
+	{90, "EIDRM", "identifier removed"},
+	{91, "ENOMSG", "no message of desired type"},
+	{92, "EILSEQ", "illegal byte sequence"},
+	{93, "ENOATTR", "attribute not found"},
+	{94, "EBADMSG", "bad message"},
+	{95, "EMULTIHOP", "EMULTIHOP (Reserved)"},
+	{96, "ENODATA", "no message available on STREAM"},
+	{97, "ENOLINK", "ENOLINK (Reserved)"},
+	{98, "ENOSR", "no STREAM resources"},
+	{99, "ENOSTR", "not a STREAM"},
+	{100, "EPROTO", "protocol error"},
+	{101, "ETIME", "STREAM ioctl timeout"},
+	{102, "EOPNOTSUPP", "operation not supported on socket"},
+	{103, "ENOPOLICY", "policy not found"},
+	{104, "ENOTRECOVERABLE", "state not recoverable"},
+	{105, "EOWNERDEAD", "previous owner died"},
+	{106, "EQFULL", "interface output queue is full"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/BPT trap",
-	6:  "abort trap",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "urgent I/O condition",
-	17: "suspended (signal)",
-	18: "suspended",
-	19: "continued",
-	20: "child exited",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "I/O possible",
-	24: "cputime limit exceeded",
-	25: "filesize limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window size changes",
-	29: "information request",
-	30: "user defined signal 1",
-	31: "user defined signal 2",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/BPT trap"},
+	{6, "SIGABRT", "abort trap"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGURG", "urgent I/O condition"},
+	{17, "SIGSTOP", "suspended (signal)"},
+	{18, "SIGTSTP", "suspended"},
+	{19, "SIGCONT", "continued"},
+	{20, "SIGCHLD", "child exited"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGIO", "I/O possible"},
+	{24, "SIGXCPU", "cputime limit exceeded"},
+	{25, "SIGXFSZ", "filesize limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window size changes"},
+	{29, "SIGINFO", "information request"},
+	{30, "SIGUSR1", "user defined signal 1"},
+	{31, "SIGUSR2", "user defined signal 2"},
 }
diff --git a/unix/zerrors_darwin_amd64.go b/unix/zerrors_darwin_amd64.go
index 1a51c96..7de222b 100644
--- a/unix/zerrors_darwin_amd64.go
+++ b/unix/zerrors_darwin_amd64.go
@@ -1624,146 +1624,154 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:   "operation not permitted",
-	2:   "no such file or directory",
-	3:   "no such process",
-	4:   "interrupted system call",
-	5:   "input/output error",
-	6:   "device not configured",
-	7:   "argument list too long",
-	8:   "exec format error",
-	9:   "bad file descriptor",
-	10:  "no child processes",
-	11:  "resource deadlock avoided",
-	12:  "cannot allocate memory",
-	13:  "permission denied",
-	14:  "bad address",
-	15:  "block device required",
-	16:  "resource busy",
-	17:  "file exists",
-	18:  "cross-device link",
-	19:  "operation not supported by device",
-	20:  "not a directory",
-	21:  "is a directory",
-	22:  "invalid argument",
-	23:  "too many open files in system",
-	24:  "too many open files",
-	25:  "inappropriate ioctl for device",
-	26:  "text file busy",
-	27:  "file too large",
-	28:  "no space left on device",
-	29:  "illegal seek",
-	30:  "read-only file system",
-	31:  "too many links",
-	32:  "broken pipe",
-	33:  "numerical argument out of domain",
-	34:  "result too large",
-	35:  "resource temporarily unavailable",
-	36:  "operation now in progress",
-	37:  "operation already in progress",
-	38:  "socket operation on non-socket",
-	39:  "destination address required",
-	40:  "message too long",
-	41:  "protocol wrong type for socket",
-	42:  "protocol not available",
-	43:  "protocol not supported",
-	44:  "socket type not supported",
-	45:  "operation not supported",
-	46:  "protocol family not supported",
-	47:  "address family not supported by protocol family",
-	48:  "address already in use",
-	49:  "can't assign requested address",
-	50:  "network is down",
-	51:  "network is unreachable",
-	52:  "network dropped connection on reset",
-	53:  "software caused connection abort",
-	54:  "connection reset by peer",
-	55:  "no buffer space available",
-	56:  "socket is already connected",
-	57:  "socket is not connected",
-	58:  "can't send after socket shutdown",
-	59:  "too many references: can't splice",
-	60:  "operation timed out",
-	61:  "connection refused",
-	62:  "too many levels of symbolic links",
-	63:  "file name too long",
-	64:  "host is down",
-	65:  "no route to host",
-	66:  "directory not empty",
-	67:  "too many processes",
-	68:  "too many users",
-	69:  "disc quota exceeded",
-	70:  "stale NFS file handle",
-	71:  "too many levels of remote in path",
-	72:  "RPC struct is bad",
-	73:  "RPC version wrong",
-	74:  "RPC prog. not avail",
-	75:  "program version wrong",
-	76:  "bad procedure for program",
-	77:  "no locks available",
-	78:  "function not implemented",
-	79:  "inappropriate file type or format",
-	80:  "authentication error",
-	81:  "need authenticator",
-	82:  "device power is off",
-	83:  "device error",
-	84:  "value too large to be stored in data type",
-	85:  "bad executable (or shared library)",
-	86:  "bad CPU type in executable",
-	87:  "shared library version mismatch",
-	88:  "malformed Mach-o file",
-	89:  "operation canceled",
-	90:  "identifier removed",
-	91:  "no message of desired type",
-	92:  "illegal byte sequence",
-	93:  "attribute not found",
-	94:  "bad message",
-	95:  "EMULTIHOP (Reserved)",
-	96:  "no message available on STREAM",
-	97:  "ENOLINK (Reserved)",
-	98:  "no STREAM resources",
-	99:  "not a STREAM",
-	100: "protocol error",
-	101: "STREAM ioctl timeout",
-	102: "operation not supported on socket",
-	103: "policy not found",
-	104: "state not recoverable",
-	105: "previous owner died",
-	106: "interface output queue is full",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "device not configured"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EDEADLK", "resource deadlock avoided"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "resource busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "cross-device link"},
+	{19, "ENODEV", "operation not supported by device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "result too large"},
+	{35, "EAGAIN", "resource temporarily unavailable"},
+	{36, "EINPROGRESS", "operation now in progress"},
+	{37, "EALREADY", "operation already in progress"},
+	{38, "ENOTSOCK", "socket operation on non-socket"},
+	{39, "EDESTADDRREQ", "destination address required"},
+	{40, "EMSGSIZE", "message too long"},
+	{41, "EPROTOTYPE", "protocol wrong type for socket"},
+	{42, "ENOPROTOOPT", "protocol not available"},
+	{43, "EPROTONOSUPPORT", "protocol not supported"},
+	{44, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{45, "ENOTSUP", "operation not supported"},
+	{46, "EPFNOSUPPORT", "protocol family not supported"},
+	{47, "EAFNOSUPPORT", "address family not supported by protocol family"},
+	{48, "EADDRINUSE", "address already in use"},
+	{49, "EADDRNOTAVAIL", "can't assign requested address"},
+	{50, "ENETDOWN", "network is down"},
+	{51, "ENETUNREACH", "network is unreachable"},
+	{52, "ENETRESET", "network dropped connection on reset"},
+	{53, "ECONNABORTED", "software caused connection abort"},
+	{54, "ECONNRESET", "connection reset by peer"},
+	{55, "ENOBUFS", "no buffer space available"},
+	{56, "EISCONN", "socket is already connected"},
+	{57, "ENOTCONN", "socket is not connected"},
+	{58, "ESHUTDOWN", "can't send after socket shutdown"},
+	{59, "ETOOMANYREFS", "too many references: can't splice"},
+	{60, "ETIMEDOUT", "operation timed out"},
+	{61, "ECONNREFUSED", "connection refused"},
+	{62, "ELOOP", "too many levels of symbolic links"},
+	{63, "ENAMETOOLONG", "file name too long"},
+	{64, "EHOSTDOWN", "host is down"},
+	{65, "EHOSTUNREACH", "no route to host"},
+	{66, "ENOTEMPTY", "directory not empty"},
+	{67, "EPROCLIM", "too many processes"},
+	{68, "EUSERS", "too many users"},
+	{69, "EDQUOT", "disc quota exceeded"},
+	{70, "ESTALE", "stale NFS file handle"},
+	{71, "EREMOTE", "too many levels of remote in path"},
+	{72, "EBADRPC", "RPC struct is bad"},
+	{73, "ERPCMISMATCH", "RPC version wrong"},
+	{74, "EPROGUNAVAIL", "RPC prog. not avail"},
+	{75, "EPROGMISMATCH", "program version wrong"},
+	{76, "EPROCUNAVAIL", "bad procedure for program"},
+	{77, "ENOLCK", "no locks available"},
+	{78, "ENOSYS", "function not implemented"},
+	{79, "EFTYPE", "inappropriate file type or format"},
+	{80, "EAUTH", "authentication error"},
+	{81, "ENEEDAUTH", "need authenticator"},
+	{82, "EPWROFF", "device power is off"},
+	{83, "EDEVERR", "device error"},
+	{84, "EOVERFLOW", "value too large to be stored in data type"},
+	{85, "EBADEXEC", "bad executable (or shared library)"},
+	{86, "EBADARCH", "bad CPU type in executable"},
+	{87, "ESHLIBVERS", "shared library version mismatch"},
+	{88, "EBADMACHO", "malformed Mach-o file"},
+	{89, "ECANCELED", "operation canceled"},
+	{90, "EIDRM", "identifier removed"},
+	{91, "ENOMSG", "no message of desired type"},
+	{92, "EILSEQ", "illegal byte sequence"},
+	{93, "ENOATTR", "attribute not found"},
+	{94, "EBADMSG", "bad message"},
+	{95, "EMULTIHOP", "EMULTIHOP (Reserved)"},
+	{96, "ENODATA", "no message available on STREAM"},
+	{97, "ENOLINK", "ENOLINK (Reserved)"},
+	{98, "ENOSR", "no STREAM resources"},
+	{99, "ENOSTR", "not a STREAM"},
+	{100, "EPROTO", "protocol error"},
+	{101, "ETIME", "STREAM ioctl timeout"},
+	{102, "EOPNOTSUPP", "operation not supported on socket"},
+	{103, "ENOPOLICY", "policy not found"},
+	{104, "ENOTRECOVERABLE", "state not recoverable"},
+	{105, "EOWNERDEAD", "previous owner died"},
+	{106, "EQFULL", "interface output queue is full"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/BPT trap",
-	6:  "abort trap",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "urgent I/O condition",
-	17: "suspended (signal)",
-	18: "suspended",
-	19: "continued",
-	20: "child exited",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "I/O possible",
-	24: "cputime limit exceeded",
-	25: "filesize limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window size changes",
-	29: "information request",
-	30: "user defined signal 1",
-	31: "user defined signal 2",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/BPT trap"},
+	{6, "SIGABRT", "abort trap"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGURG", "urgent I/O condition"},
+	{17, "SIGSTOP", "suspended (signal)"},
+	{18, "SIGTSTP", "suspended"},
+	{19, "SIGCONT", "continued"},
+	{20, "SIGCHLD", "child exited"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGIO", "I/O possible"},
+	{24, "SIGXCPU", "cputime limit exceeded"},
+	{25, "SIGXFSZ", "filesize limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window size changes"},
+	{29, "SIGINFO", "information request"},
+	{30, "SIGUSR1", "user defined signal 1"},
+	{31, "SIGUSR2", "user defined signal 2"},
 }
diff --git a/unix/zerrors_darwin_arm.go b/unix/zerrors_darwin_arm.go
index fa135b1..33a42e7 100644
--- a/unix/zerrors_darwin_arm.go
+++ b/unix/zerrors_darwin_arm.go
@@ -1624,146 +1624,154 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:   "operation not permitted",
-	2:   "no such file or directory",
-	3:   "no such process",
-	4:   "interrupted system call",
-	5:   "input/output error",
-	6:   "device not configured",
-	7:   "argument list too long",
-	8:   "exec format error",
-	9:   "bad file descriptor",
-	10:  "no child processes",
-	11:  "resource deadlock avoided",
-	12:  "cannot allocate memory",
-	13:  "permission denied",
-	14:  "bad address",
-	15:  "block device required",
-	16:  "resource busy",
-	17:  "file exists",
-	18:  "cross-device link",
-	19:  "operation not supported by device",
-	20:  "not a directory",
-	21:  "is a directory",
-	22:  "invalid argument",
-	23:  "too many open files in system",
-	24:  "too many open files",
-	25:  "inappropriate ioctl for device",
-	26:  "text file busy",
-	27:  "file too large",
-	28:  "no space left on device",
-	29:  "illegal seek",
-	30:  "read-only file system",
-	31:  "too many links",
-	32:  "broken pipe",
-	33:  "numerical argument out of domain",
-	34:  "result too large",
-	35:  "resource temporarily unavailable",
-	36:  "operation now in progress",
-	37:  "operation already in progress",
-	38:  "socket operation on non-socket",
-	39:  "destination address required",
-	40:  "message too long",
-	41:  "protocol wrong type for socket",
-	42:  "protocol not available",
-	43:  "protocol not supported",
-	44:  "socket type not supported",
-	45:  "operation not supported",
-	46:  "protocol family not supported",
-	47:  "address family not supported by protocol family",
-	48:  "address already in use",
-	49:  "can't assign requested address",
-	50:  "network is down",
-	51:  "network is unreachable",
-	52:  "network dropped connection on reset",
-	53:  "software caused connection abort",
-	54:  "connection reset by peer",
-	55:  "no buffer space available",
-	56:  "socket is already connected",
-	57:  "socket is not connected",
-	58:  "can't send after socket shutdown",
-	59:  "too many references: can't splice",
-	60:  "operation timed out",
-	61:  "connection refused",
-	62:  "too many levels of symbolic links",
-	63:  "file name too long",
-	64:  "host is down",
-	65:  "no route to host",
-	66:  "directory not empty",
-	67:  "too many processes",
-	68:  "too many users",
-	69:  "disc quota exceeded",
-	70:  "stale NFS file handle",
-	71:  "too many levels of remote in path",
-	72:  "RPC struct is bad",
-	73:  "RPC version wrong",
-	74:  "RPC prog. not avail",
-	75:  "program version wrong",
-	76:  "bad procedure for program",
-	77:  "no locks available",
-	78:  "function not implemented",
-	79:  "inappropriate file type or format",
-	80:  "authentication error",
-	81:  "need authenticator",
-	82:  "device power is off",
-	83:  "device error",
-	84:  "value too large to be stored in data type",
-	85:  "bad executable (or shared library)",
-	86:  "bad CPU type in executable",
-	87:  "shared library version mismatch",
-	88:  "malformed Mach-o file",
-	89:  "operation canceled",
-	90:  "identifier removed",
-	91:  "no message of desired type",
-	92:  "illegal byte sequence",
-	93:  "attribute not found",
-	94:  "bad message",
-	95:  "EMULTIHOP (Reserved)",
-	96:  "no message available on STREAM",
-	97:  "ENOLINK (Reserved)",
-	98:  "no STREAM resources",
-	99:  "not a STREAM",
-	100: "protocol error",
-	101: "STREAM ioctl timeout",
-	102: "operation not supported on socket",
-	103: "policy not found",
-	104: "state not recoverable",
-	105: "previous owner died",
-	106: "interface output queue is full",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "device not configured"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EDEADLK", "resource deadlock avoided"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "resource busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "cross-device link"},
+	{19, "ENODEV", "operation not supported by device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "result too large"},
+	{35, "EAGAIN", "resource temporarily unavailable"},
+	{36, "EINPROGRESS", "operation now in progress"},
+	{37, "EALREADY", "operation already in progress"},
+	{38, "ENOTSOCK", "socket operation on non-socket"},
+	{39, "EDESTADDRREQ", "destination address required"},
+	{40, "EMSGSIZE", "message too long"},
+	{41, "EPROTOTYPE", "protocol wrong type for socket"},
+	{42, "ENOPROTOOPT", "protocol not available"},
+	{43, "EPROTONOSUPPORT", "protocol not supported"},
+	{44, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{45, "ENOTSUP", "operation not supported"},
+	{46, "EPFNOSUPPORT", "protocol family not supported"},
+	{47, "EAFNOSUPPORT", "address family not supported by protocol family"},
+	{48, "EADDRINUSE", "address already in use"},
+	{49, "EADDRNOTAVAIL", "can't assign requested address"},
+	{50, "ENETDOWN", "network is down"},
+	{51, "ENETUNREACH", "network is unreachable"},
+	{52, "ENETRESET", "network dropped connection on reset"},
+	{53, "ECONNABORTED", "software caused connection abort"},
+	{54, "ECONNRESET", "connection reset by peer"},
+	{55, "ENOBUFS", "no buffer space available"},
+	{56, "EISCONN", "socket is already connected"},
+	{57, "ENOTCONN", "socket is not connected"},
+	{58, "ESHUTDOWN", "can't send after socket shutdown"},
+	{59, "ETOOMANYREFS", "too many references: can't splice"},
+	{60, "ETIMEDOUT", "operation timed out"},
+	{61, "ECONNREFUSED", "connection refused"},
+	{62, "ELOOP", "too many levels of symbolic links"},
+	{63, "ENAMETOOLONG", "file name too long"},
+	{64, "EHOSTDOWN", "host is down"},
+	{65, "EHOSTUNREACH", "no route to host"},
+	{66, "ENOTEMPTY", "directory not empty"},
+	{67, "EPROCLIM", "too many processes"},
+	{68, "EUSERS", "too many users"},
+	{69, "EDQUOT", "disc quota exceeded"},
+	{70, "ESTALE", "stale NFS file handle"},
+	{71, "EREMOTE", "too many levels of remote in path"},
+	{72, "EBADRPC", "RPC struct is bad"},
+	{73, "ERPCMISMATCH", "RPC version wrong"},
+	{74, "EPROGUNAVAIL", "RPC prog. not avail"},
+	{75, "EPROGMISMATCH", "program version wrong"},
+	{76, "EPROCUNAVAIL", "bad procedure for program"},
+	{77, "ENOLCK", "no locks available"},
+	{78, "ENOSYS", "function not implemented"},
+	{79, "EFTYPE", "inappropriate file type or format"},
+	{80, "EAUTH", "authentication error"},
+	{81, "ENEEDAUTH", "need authenticator"},
+	{82, "EPWROFF", "device power is off"},
+	{83, "EDEVERR", "device error"},
+	{84, "EOVERFLOW", "value too large to be stored in data type"},
+	{85, "EBADEXEC", "bad executable (or shared library)"},
+	{86, "EBADARCH", "bad CPU type in executable"},
+	{87, "ESHLIBVERS", "shared library version mismatch"},
+	{88, "EBADMACHO", "malformed Mach-o file"},
+	{89, "ECANCELED", "operation canceled"},
+	{90, "EIDRM", "identifier removed"},
+	{91, "ENOMSG", "no message of desired type"},
+	{92, "EILSEQ", "illegal byte sequence"},
+	{93, "ENOATTR", "attribute not found"},
+	{94, "EBADMSG", "bad message"},
+	{95, "EMULTIHOP", "EMULTIHOP (Reserved)"},
+	{96, "ENODATA", "no message available on STREAM"},
+	{97, "ENOLINK", "ENOLINK (Reserved)"},
+	{98, "ENOSR", "no STREAM resources"},
+	{99, "ENOSTR", "not a STREAM"},
+	{100, "EPROTO", "protocol error"},
+	{101, "ETIME", "STREAM ioctl timeout"},
+	{102, "EOPNOTSUPP", "operation not supported on socket"},
+	{103, "ENOPOLICY", "policy not found"},
+	{104, "ENOTRECOVERABLE", "state not recoverable"},
+	{105, "EOWNERDEAD", "previous owner died"},
+	{106, "EQFULL", "interface output queue is full"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/BPT trap",
-	6:  "abort trap",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "urgent I/O condition",
-	17: "suspended (signal)",
-	18: "suspended",
-	19: "continued",
-	20: "child exited",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "I/O possible",
-	24: "cputime limit exceeded",
-	25: "filesize limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window size changes",
-	29: "information request",
-	30: "user defined signal 1",
-	31: "user defined signal 2",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/BPT trap"},
+	{6, "SIGABRT", "abort trap"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGURG", "urgent I/O condition"},
+	{17, "SIGSTOP", "suspended (signal)"},
+	{18, "SIGTSTP", "suspended"},
+	{19, "SIGCONT", "continued"},
+	{20, "SIGCHLD", "child exited"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGIO", "I/O possible"},
+	{24, "SIGXCPU", "cputime limit exceeded"},
+	{25, "SIGXFSZ", "filesize limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window size changes"},
+	{29, "SIGINFO", "information request"},
+	{30, "SIGUSR1", "user defined signal 1"},
+	{31, "SIGUSR2", "user defined signal 2"},
 }
diff --git a/unix/zerrors_darwin_arm64.go b/unix/zerrors_darwin_arm64.go
index 6419c65..7180515 100644
--- a/unix/zerrors_darwin_arm64.go
+++ b/unix/zerrors_darwin_arm64.go
@@ -1624,146 +1624,154 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:   "operation not permitted",
-	2:   "no such file or directory",
-	3:   "no such process",
-	4:   "interrupted system call",
-	5:   "input/output error",
-	6:   "device not configured",
-	7:   "argument list too long",
-	8:   "exec format error",
-	9:   "bad file descriptor",
-	10:  "no child processes",
-	11:  "resource deadlock avoided",
-	12:  "cannot allocate memory",
-	13:  "permission denied",
-	14:  "bad address",
-	15:  "block device required",
-	16:  "resource busy",
-	17:  "file exists",
-	18:  "cross-device link",
-	19:  "operation not supported by device",
-	20:  "not a directory",
-	21:  "is a directory",
-	22:  "invalid argument",
-	23:  "too many open files in system",
-	24:  "too many open files",
-	25:  "inappropriate ioctl for device",
-	26:  "text file busy",
-	27:  "file too large",
-	28:  "no space left on device",
-	29:  "illegal seek",
-	30:  "read-only file system",
-	31:  "too many links",
-	32:  "broken pipe",
-	33:  "numerical argument out of domain",
-	34:  "result too large",
-	35:  "resource temporarily unavailable",
-	36:  "operation now in progress",
-	37:  "operation already in progress",
-	38:  "socket operation on non-socket",
-	39:  "destination address required",
-	40:  "message too long",
-	41:  "protocol wrong type for socket",
-	42:  "protocol not available",
-	43:  "protocol not supported",
-	44:  "socket type not supported",
-	45:  "operation not supported",
-	46:  "protocol family not supported",
-	47:  "address family not supported by protocol family",
-	48:  "address already in use",
-	49:  "can't assign requested address",
-	50:  "network is down",
-	51:  "network is unreachable",
-	52:  "network dropped connection on reset",
-	53:  "software caused connection abort",
-	54:  "connection reset by peer",
-	55:  "no buffer space available",
-	56:  "socket is already connected",
-	57:  "socket is not connected",
-	58:  "can't send after socket shutdown",
-	59:  "too many references: can't splice",
-	60:  "operation timed out",
-	61:  "connection refused",
-	62:  "too many levels of symbolic links",
-	63:  "file name too long",
-	64:  "host is down",
-	65:  "no route to host",
-	66:  "directory not empty",
-	67:  "too many processes",
-	68:  "too many users",
-	69:  "disc quota exceeded",
-	70:  "stale NFS file handle",
-	71:  "too many levels of remote in path",
-	72:  "RPC struct is bad",
-	73:  "RPC version wrong",
-	74:  "RPC prog. not avail",
-	75:  "program version wrong",
-	76:  "bad procedure for program",
-	77:  "no locks available",
-	78:  "function not implemented",
-	79:  "inappropriate file type or format",
-	80:  "authentication error",
-	81:  "need authenticator",
-	82:  "device power is off",
-	83:  "device error",
-	84:  "value too large to be stored in data type",
-	85:  "bad executable (or shared library)",
-	86:  "bad CPU type in executable",
-	87:  "shared library version mismatch",
-	88:  "malformed Mach-o file",
-	89:  "operation canceled",
-	90:  "identifier removed",
-	91:  "no message of desired type",
-	92:  "illegal byte sequence",
-	93:  "attribute not found",
-	94:  "bad message",
-	95:  "EMULTIHOP (Reserved)",
-	96:  "no message available on STREAM",
-	97:  "ENOLINK (Reserved)",
-	98:  "no STREAM resources",
-	99:  "not a STREAM",
-	100: "protocol error",
-	101: "STREAM ioctl timeout",
-	102: "operation not supported on socket",
-	103: "policy not found",
-	104: "state not recoverable",
-	105: "previous owner died",
-	106: "interface output queue is full",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "device not configured"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EDEADLK", "resource deadlock avoided"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "resource busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "cross-device link"},
+	{19, "ENODEV", "operation not supported by device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "result too large"},
+	{35, "EAGAIN", "resource temporarily unavailable"},
+	{36, "EINPROGRESS", "operation now in progress"},
+	{37, "EALREADY", "operation already in progress"},
+	{38, "ENOTSOCK", "socket operation on non-socket"},
+	{39, "EDESTADDRREQ", "destination address required"},
+	{40, "EMSGSIZE", "message too long"},
+	{41, "EPROTOTYPE", "protocol wrong type for socket"},
+	{42, "ENOPROTOOPT", "protocol not available"},
+	{43, "EPROTONOSUPPORT", "protocol not supported"},
+	{44, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{45, "ENOTSUP", "operation not supported"},
+	{46, "EPFNOSUPPORT", "protocol family not supported"},
+	{47, "EAFNOSUPPORT", "address family not supported by protocol family"},
+	{48, "EADDRINUSE", "address already in use"},
+	{49, "EADDRNOTAVAIL", "can't assign requested address"},
+	{50, "ENETDOWN", "network is down"},
+	{51, "ENETUNREACH", "network is unreachable"},
+	{52, "ENETRESET", "network dropped connection on reset"},
+	{53, "ECONNABORTED", "software caused connection abort"},
+	{54, "ECONNRESET", "connection reset by peer"},
+	{55, "ENOBUFS", "no buffer space available"},
+	{56, "EISCONN", "socket is already connected"},
+	{57, "ENOTCONN", "socket is not connected"},
+	{58, "ESHUTDOWN", "can't send after socket shutdown"},
+	{59, "ETOOMANYREFS", "too many references: can't splice"},
+	{60, "ETIMEDOUT", "operation timed out"},
+	{61, "ECONNREFUSED", "connection refused"},
+	{62, "ELOOP", "too many levels of symbolic links"},
+	{63, "ENAMETOOLONG", "file name too long"},
+	{64, "EHOSTDOWN", "host is down"},
+	{65, "EHOSTUNREACH", "no route to host"},
+	{66, "ENOTEMPTY", "directory not empty"},
+	{67, "EPROCLIM", "too many processes"},
+	{68, "EUSERS", "too many users"},
+	{69, "EDQUOT", "disc quota exceeded"},
+	{70, "ESTALE", "stale NFS file handle"},
+	{71, "EREMOTE", "too many levels of remote in path"},
+	{72, "EBADRPC", "RPC struct is bad"},
+	{73, "ERPCMISMATCH", "RPC version wrong"},
+	{74, "EPROGUNAVAIL", "RPC prog. not avail"},
+	{75, "EPROGMISMATCH", "program version wrong"},
+	{76, "EPROCUNAVAIL", "bad procedure for program"},
+	{77, "ENOLCK", "no locks available"},
+	{78, "ENOSYS", "function not implemented"},
+	{79, "EFTYPE", "inappropriate file type or format"},
+	{80, "EAUTH", "authentication error"},
+	{81, "ENEEDAUTH", "need authenticator"},
+	{82, "EPWROFF", "device power is off"},
+	{83, "EDEVERR", "device error"},
+	{84, "EOVERFLOW", "value too large to be stored in data type"},
+	{85, "EBADEXEC", "bad executable (or shared library)"},
+	{86, "EBADARCH", "bad CPU type in executable"},
+	{87, "ESHLIBVERS", "shared library version mismatch"},
+	{88, "EBADMACHO", "malformed Mach-o file"},
+	{89, "ECANCELED", "operation canceled"},
+	{90, "EIDRM", "identifier removed"},
+	{91, "ENOMSG", "no message of desired type"},
+	{92, "EILSEQ", "illegal byte sequence"},
+	{93, "ENOATTR", "attribute not found"},
+	{94, "EBADMSG", "bad message"},
+	{95, "EMULTIHOP", "EMULTIHOP (Reserved)"},
+	{96, "ENODATA", "no message available on STREAM"},
+	{97, "ENOLINK", "ENOLINK (Reserved)"},
+	{98, "ENOSR", "no STREAM resources"},
+	{99, "ENOSTR", "not a STREAM"},
+	{100, "EPROTO", "protocol error"},
+	{101, "ETIME", "STREAM ioctl timeout"},
+	{102, "EOPNOTSUPP", "operation not supported on socket"},
+	{103, "ENOPOLICY", "policy not found"},
+	{104, "ENOTRECOVERABLE", "state not recoverable"},
+	{105, "EOWNERDEAD", "previous owner died"},
+	{106, "EQFULL", "interface output queue is full"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/BPT trap",
-	6:  "abort trap",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "urgent I/O condition",
-	17: "suspended (signal)",
-	18: "suspended",
-	19: "continued",
-	20: "child exited",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "I/O possible",
-	24: "cputime limit exceeded",
-	25: "filesize limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window size changes",
-	29: "information request",
-	30: "user defined signal 1",
-	31: "user defined signal 2",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/BPT trap"},
+	{6, "SIGABRT", "abort trap"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGURG", "urgent I/O condition"},
+	{17, "SIGSTOP", "suspended (signal)"},
+	{18, "SIGTSTP", "suspended"},
+	{19, "SIGCONT", "continued"},
+	{20, "SIGCHLD", "child exited"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGIO", "I/O possible"},
+	{24, "SIGXCPU", "cputime limit exceeded"},
+	{25, "SIGXFSZ", "filesize limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window size changes"},
+	{29, "SIGINFO", "information request"},
+	{30, "SIGUSR1", "user defined signal 1"},
+	{31, "SIGUSR2", "user defined signal 2"},
 }
diff --git a/unix/zerrors_dragonfly_amd64.go b/unix/zerrors_dragonfly_amd64.go
index 474441b..46a082b 100644
--- a/unix/zerrors_dragonfly_amd64.go
+++ b/unix/zerrors_dragonfly_amd64.go
@@ -1437,142 +1437,150 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:  "operation not permitted",
-	2:  "no such file or directory",
-	3:  "no such process",
-	4:  "interrupted system call",
-	5:  "input/output error",
-	6:  "device not configured",
-	7:  "argument list too long",
-	8:  "exec format error",
-	9:  "bad file descriptor",
-	10: "no child processes",
-	11: "resource deadlock avoided",
-	12: "cannot allocate memory",
-	13: "permission denied",
-	14: "bad address",
-	15: "block device required",
-	16: "device busy",
-	17: "file exists",
-	18: "cross-device link",
-	19: "operation not supported by device",
-	20: "not a directory",
-	21: "is a directory",
-	22: "invalid argument",
-	23: "too many open files in system",
-	24: "too many open files",
-	25: "inappropriate ioctl for device",
-	26: "text file busy",
-	27: "file too large",
-	28: "no space left on device",
-	29: "illegal seek",
-	30: "read-only file system",
-	31: "too many links",
-	32: "broken pipe",
-	33: "numerical argument out of domain",
-	34: "result too large",
-	35: "resource temporarily unavailable",
-	36: "operation now in progress",
-	37: "operation already in progress",
-	38: "socket operation on non-socket",
-	39: "destination address required",
-	40: "message too long",
-	41: "protocol wrong type for socket",
-	42: "protocol not available",
-	43: "protocol not supported",
-	44: "socket type not supported",
-	45: "operation not supported",
-	46: "protocol family not supported",
-	47: "address family not supported by protocol family",
-	48: "address already in use",
-	49: "can't assign requested address",
-	50: "network is down",
-	51: "network is unreachable",
-	52: "network dropped connection on reset",
-	53: "software caused connection abort",
-	54: "connection reset by peer",
-	55: "no buffer space available",
-	56: "socket is already connected",
-	57: "socket is not connected",
-	58: "can't send after socket shutdown",
-	59: "too many references: can't splice",
-	60: "operation timed out",
-	61: "connection refused",
-	62: "too many levels of symbolic links",
-	63: "file name too long",
-	64: "host is down",
-	65: "no route to host",
-	66: "directory not empty",
-	67: "too many processes",
-	68: "too many users",
-	69: "disc quota exceeded",
-	70: "stale NFS file handle",
-	71: "too many levels of remote in path",
-	72: "RPC struct is bad",
-	73: "RPC version wrong",
-	74: "RPC prog. not avail",
-	75: "program version wrong",
-	76: "bad procedure for program",
-	77: "no locks available",
-	78: "function not implemented",
-	79: "inappropriate file type or format",
-	80: "authentication error",
-	81: "need authenticator",
-	82: "identifier removed",
-	83: "no message of desired type",
-	84: "value too large to be stored in data type",
-	85: "operation canceled",
-	86: "illegal byte sequence",
-	87: "attribute not found",
-	88: "programming error",
-	89: "bad message",
-	90: "multihop attempted",
-	91: "link has been severed",
-	92: "protocol error",
-	93: "no medium found",
-	94: "unknown error: 94",
-	95: "unknown error: 95",
-	96: "unknown error: 96",
-	97: "unknown error: 97",
-	98: "unknown error: 98",
-	99: "unknown error: 99",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "device not configured"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EDEADLK", "resource deadlock avoided"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "cross-device link"},
+	{19, "ENODEV", "operation not supported by device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "result too large"},
+	{35, "EWOULDBLOCK", "resource temporarily unavailable"},
+	{36, "EINPROGRESS", "operation now in progress"},
+	{37, "EALREADY", "operation already in progress"},
+	{38, "ENOTSOCK", "socket operation on non-socket"},
+	{39, "EDESTADDRREQ", "destination address required"},
+	{40, "EMSGSIZE", "message too long"},
+	{41, "EPROTOTYPE", "protocol wrong type for socket"},
+	{42, "ENOPROTOOPT", "protocol not available"},
+	{43, "EPROTONOSUPPORT", "protocol not supported"},
+	{44, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{45, "EOPNOTSUPP", "operation not supported"},
+	{46, "EPFNOSUPPORT", "protocol family not supported"},
+	{47, "EAFNOSUPPORT", "address family not supported by protocol family"},
+	{48, "EADDRINUSE", "address already in use"},
+	{49, "EADDRNOTAVAIL", "can't assign requested address"},
+	{50, "ENETDOWN", "network is down"},
+	{51, "ENETUNREACH", "network is unreachable"},
+	{52, "ENETRESET", "network dropped connection on reset"},
+	{53, "ECONNABORTED", "software caused connection abort"},
+	{54, "ECONNRESET", "connection reset by peer"},
+	{55, "ENOBUFS", "no buffer space available"},
+	{56, "EISCONN", "socket is already connected"},
+	{57, "ENOTCONN", "socket is not connected"},
+	{58, "ESHUTDOWN", "can't send after socket shutdown"},
+	{59, "ETOOMANYREFS", "too many references: can't splice"},
+	{60, "ETIMEDOUT", "operation timed out"},
+	{61, "ECONNREFUSED", "connection refused"},
+	{62, "ELOOP", "too many levels of symbolic links"},
+	{63, "ENAMETOOLONG", "file name too long"},
+	{64, "EHOSTDOWN", "host is down"},
+	{65, "EHOSTUNREACH", "no route to host"},
+	{66, "ENOTEMPTY", "directory not empty"},
+	{67, "EPROCLIM", "too many processes"},
+	{68, "EUSERS", "too many users"},
+	{69, "EDQUOT", "disc quota exceeded"},
+	{70, "ESTALE", "stale NFS file handle"},
+	{71, "EREMOTE", "too many levels of remote in path"},
+	{72, "EBADRPC", "RPC struct is bad"},
+	{73, "ERPCMISMATCH", "RPC version wrong"},
+	{74, "EPROGUNAVAIL", "RPC prog. not avail"},
+	{75, "EPROGMISMATCH", "program version wrong"},
+	{76, "EPROCUNAVAIL", "bad procedure for program"},
+	{77, "ENOLCK", "no locks available"},
+	{78, "ENOSYS", "function not implemented"},
+	{79, "EFTYPE", "inappropriate file type or format"},
+	{80, "EAUTH", "authentication error"},
+	{81, "ENEEDAUTH", "need authenticator"},
+	{82, "EIDRM", "identifier removed"},
+	{83, "ENOMSG", "no message of desired type"},
+	{84, "EOVERFLOW", "value too large to be stored in data type"},
+	{85, "ECANCELED", "operation canceled"},
+	{86, "EILSEQ", "illegal byte sequence"},
+	{87, "ENOATTR", "attribute not found"},
+	{88, "EDOOFUS", "programming error"},
+	{89, "EBADMSG", "bad message"},
+	{90, "EMULTIHOP", "multihop attempted"},
+	{91, "ENOLINK", "link has been severed"},
+	{92, "EPROTO", "protocol error"},
+	{93, "ENOMEDIUM", "no medium found"},
+	{94, "EUNUSED94", "unknown error: 94"},
+	{95, "EUNUSED95", "unknown error: 95"},
+	{96, "EUNUSED96", "unknown error: 96"},
+	{97, "EUNUSED97", "unknown error: 97"},
+	{98, "EUNUSED98", "unknown error: 98"},
+	{99, "ELAST", "unknown error: 99"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/BPT trap",
-	6:  "abort trap",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "urgent I/O condition",
-	17: "suspended (signal)",
-	18: "suspended",
-	19: "continued",
-	20: "child exited",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "I/O possible",
-	24: "cputime limit exceeded",
-	25: "filesize limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window size changes",
-	29: "information request",
-	30: "user defined signal 1",
-	31: "user defined signal 2",
-	32: "thread Scheduler",
-	33: "checkPoint",
-	34: "checkPointExit",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/BPT trap"},
+	{6, "SIGIOT", "abort trap"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGURG", "urgent I/O condition"},
+	{17, "SIGSTOP", "suspended (signal)"},
+	{18, "SIGTSTP", "suspended"},
+	{19, "SIGCONT", "continued"},
+	{20, "SIGCHLD", "child exited"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGIO", "I/O possible"},
+	{24, "SIGXCPU", "cputime limit exceeded"},
+	{25, "SIGXFSZ", "filesize limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window size changes"},
+	{29, "SIGINFO", "information request"},
+	{30, "SIGUSR1", "user defined signal 1"},
+	{31, "SIGUSR2", "user defined signal 2"},
+	{32, "SIGTHR", "thread Scheduler"},
+	{33, "SIGCKPT", "checkPoint"},
+	{34, "SIGCKPTEXIT", "checkPointExit"},
 }
diff --git a/unix/zerrors_freebsd_386.go b/unix/zerrors_freebsd_386.go
index a8b0587..2947dc0 100644
--- a/unix/zerrors_freebsd_386.go
+++ b/unix/zerrors_freebsd_386.go
@@ -1619,138 +1619,146 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:  "operation not permitted",
-	2:  "no such file or directory",
-	3:  "no such process",
-	4:  "interrupted system call",
-	5:  "input/output error",
-	6:  "device not configured",
-	7:  "argument list too long",
-	8:  "exec format error",
-	9:  "bad file descriptor",
-	10: "no child processes",
-	11: "resource deadlock avoided",
-	12: "cannot allocate memory",
-	13: "permission denied",
-	14: "bad address",
-	15: "block device required",
-	16: "device busy",
-	17: "file exists",
-	18: "cross-device link",
-	19: "operation not supported by device",
-	20: "not a directory",
-	21: "is a directory",
-	22: "invalid argument",
-	23: "too many open files in system",
-	24: "too many open files",
-	25: "inappropriate ioctl for device",
-	26: "text file busy",
-	27: "file too large",
-	28: "no space left on device",
-	29: "illegal seek",
-	30: "read-only file system",
-	31: "too many links",
-	32: "broken pipe",
-	33: "numerical argument out of domain",
-	34: "result too large",
-	35: "resource temporarily unavailable",
-	36: "operation now in progress",
-	37: "operation already in progress",
-	38: "socket operation on non-socket",
-	39: "destination address required",
-	40: "message too long",
-	41: "protocol wrong type for socket",
-	42: "protocol not available",
-	43: "protocol not supported",
-	44: "socket type not supported",
-	45: "operation not supported",
-	46: "protocol family not supported",
-	47: "address family not supported by protocol family",
-	48: "address already in use",
-	49: "can't assign requested address",
-	50: "network is down",
-	51: "network is unreachable",
-	52: "network dropped connection on reset",
-	53: "software caused connection abort",
-	54: "connection reset by peer",
-	55: "no buffer space available",
-	56: "socket is already connected",
-	57: "socket is not connected",
-	58: "can't send after socket shutdown",
-	59: "too many references: can't splice",
-	60: "operation timed out",
-	61: "connection refused",
-	62: "too many levels of symbolic links",
-	63: "file name too long",
-	64: "host is down",
-	65: "no route to host",
-	66: "directory not empty",
-	67: "too many processes",
-	68: "too many users",
-	69: "disc quota exceeded",
-	70: "stale NFS file handle",
-	71: "too many levels of remote in path",
-	72: "RPC struct is bad",
-	73: "RPC version wrong",
-	74: "RPC prog. not avail",
-	75: "program version wrong",
-	76: "bad procedure for program",
-	77: "no locks available",
-	78: "function not implemented",
-	79: "inappropriate file type or format",
-	80: "authentication error",
-	81: "need authenticator",
-	82: "identifier removed",
-	83: "no message of desired type",
-	84: "value too large to be stored in data type",
-	85: "operation canceled",
-	86: "illegal byte sequence",
-	87: "attribute not found",
-	88: "programming error",
-	89: "bad message",
-	90: "multihop attempted",
-	91: "link has been severed",
-	92: "protocol error",
-	93: "capabilities insufficient",
-	94: "not permitted in capability mode",
-	95: "state not recoverable",
-	96: "previous owner died",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "device not configured"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EDEADLK", "resource deadlock avoided"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "cross-device link"},
+	{19, "ENODEV", "operation not supported by device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "result too large"},
+	{35, "EAGAIN", "resource temporarily unavailable"},
+	{36, "EINPROGRESS", "operation now in progress"},
+	{37, "EALREADY", "operation already in progress"},
+	{38, "ENOTSOCK", "socket operation on non-socket"},
+	{39, "EDESTADDRREQ", "destination address required"},
+	{40, "EMSGSIZE", "message too long"},
+	{41, "EPROTOTYPE", "protocol wrong type for socket"},
+	{42, "ENOPROTOOPT", "protocol not available"},
+	{43, "EPROTONOSUPPORT", "protocol not supported"},
+	{44, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{45, "EOPNOTSUPP", "operation not supported"},
+	{46, "EPFNOSUPPORT", "protocol family not supported"},
+	{47, "EAFNOSUPPORT", "address family not supported by protocol family"},
+	{48, "EADDRINUSE", "address already in use"},
+	{49, "EADDRNOTAVAIL", "can't assign requested address"},
+	{50, "ENETDOWN", "network is down"},
+	{51, "ENETUNREACH", "network is unreachable"},
+	{52, "ENETRESET", "network dropped connection on reset"},
+	{53, "ECONNABORTED", "software caused connection abort"},
+	{54, "ECONNRESET", "connection reset by peer"},
+	{55, "ENOBUFS", "no buffer space available"},
+	{56, "EISCONN", "socket is already connected"},
+	{57, "ENOTCONN", "socket is not connected"},
+	{58, "ESHUTDOWN", "can't send after socket shutdown"},
+	{59, "ETOOMANYREFS", "too many references: can't splice"},
+	{60, "ETIMEDOUT", "operation timed out"},
+	{61, "ECONNREFUSED", "connection refused"},
+	{62, "ELOOP", "too many levels of symbolic links"},
+	{63, "ENAMETOOLONG", "file name too long"},
+	{64, "EHOSTDOWN", "host is down"},
+	{65, "EHOSTUNREACH", "no route to host"},
+	{66, "ENOTEMPTY", "directory not empty"},
+	{67, "EPROCLIM", "too many processes"},
+	{68, "EUSERS", "too many users"},
+	{69, "EDQUOT", "disc quota exceeded"},
+	{70, "ESTALE", "stale NFS file handle"},
+	{71, "EREMOTE", "too many levels of remote in path"},
+	{72, "EBADRPC", "RPC struct is bad"},
+	{73, "ERPCMISMATCH", "RPC version wrong"},
+	{74, "EPROGUNAVAIL", "RPC prog. not avail"},
+	{75, "EPROGMISMATCH", "program version wrong"},
+	{76, "EPROCUNAVAIL", "bad procedure for program"},
+	{77, "ENOLCK", "no locks available"},
+	{78, "ENOSYS", "function not implemented"},
+	{79, "EFTYPE", "inappropriate file type or format"},
+	{80, "EAUTH", "authentication error"},
+	{81, "ENEEDAUTH", "need authenticator"},
+	{82, "EIDRM", "identifier removed"},
+	{83, "ENOMSG", "no message of desired type"},
+	{84, "EOVERFLOW", "value too large to be stored in data type"},
+	{85, "ECANCELED", "operation canceled"},
+	{86, "EILSEQ", "illegal byte sequence"},
+	{87, "ENOATTR", "attribute not found"},
+	{88, "EDOOFUS", "programming error"},
+	{89, "EBADMSG", "bad message"},
+	{90, "EMULTIHOP", "multihop attempted"},
+	{91, "ENOLINK", "link has been severed"},
+	{92, "EPROTO", "protocol error"},
+	{93, "ENOTCAPABLE", "capabilities insufficient"},
+	{94, "ECAPMODE", "not permitted in capability mode"},
+	{95, "ENOTRECOVERABLE", "state not recoverable"},
+	{96, "EOWNERDEAD", "previous owner died"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/BPT trap",
-	6:  "abort trap",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "urgent I/O condition",
-	17: "suspended (signal)",
-	18: "suspended",
-	19: "continued",
-	20: "child exited",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "I/O possible",
-	24: "cputime limit exceeded",
-	25: "filesize limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window size changes",
-	29: "information request",
-	30: "user defined signal 1",
-	31: "user defined signal 2",
-	32: "unknown signal",
-	33: "unknown signal",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/BPT trap"},
+	{6, "SIGIOT", "abort trap"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGURG", "urgent I/O condition"},
+	{17, "SIGSTOP", "suspended (signal)"},
+	{18, "SIGTSTP", "suspended"},
+	{19, "SIGCONT", "continued"},
+	{20, "SIGCHLD", "child exited"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGIO", "I/O possible"},
+	{24, "SIGXCPU", "cputime limit exceeded"},
+	{25, "SIGXFSZ", "filesize limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window size changes"},
+	{29, "SIGINFO", "information request"},
+	{30, "SIGUSR1", "user defined signal 1"},
+	{31, "SIGUSR2", "user defined signal 2"},
+	{32, "SIGTHR", "unknown signal"},
+	{33, "SIGLIBRT", "unknown signal"},
 }
diff --git a/unix/zerrors_freebsd_amd64.go b/unix/zerrors_freebsd_amd64.go
index cf5f012..c600d01 100644
--- a/unix/zerrors_freebsd_amd64.go
+++ b/unix/zerrors_freebsd_amd64.go
@@ -1620,138 +1620,146 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:  "operation not permitted",
-	2:  "no such file or directory",
-	3:  "no such process",
-	4:  "interrupted system call",
-	5:  "input/output error",
-	6:  "device not configured",
-	7:  "argument list too long",
-	8:  "exec format error",
-	9:  "bad file descriptor",
-	10: "no child processes",
-	11: "resource deadlock avoided",
-	12: "cannot allocate memory",
-	13: "permission denied",
-	14: "bad address",
-	15: "block device required",
-	16: "device busy",
-	17: "file exists",
-	18: "cross-device link",
-	19: "operation not supported by device",
-	20: "not a directory",
-	21: "is a directory",
-	22: "invalid argument",
-	23: "too many open files in system",
-	24: "too many open files",
-	25: "inappropriate ioctl for device",
-	26: "text file busy",
-	27: "file too large",
-	28: "no space left on device",
-	29: "illegal seek",
-	30: "read-only file system",
-	31: "too many links",
-	32: "broken pipe",
-	33: "numerical argument out of domain",
-	34: "result too large",
-	35: "resource temporarily unavailable",
-	36: "operation now in progress",
-	37: "operation already in progress",
-	38: "socket operation on non-socket",
-	39: "destination address required",
-	40: "message too long",
-	41: "protocol wrong type for socket",
-	42: "protocol not available",
-	43: "protocol not supported",
-	44: "socket type not supported",
-	45: "operation not supported",
-	46: "protocol family not supported",
-	47: "address family not supported by protocol family",
-	48: "address already in use",
-	49: "can't assign requested address",
-	50: "network is down",
-	51: "network is unreachable",
-	52: "network dropped connection on reset",
-	53: "software caused connection abort",
-	54: "connection reset by peer",
-	55: "no buffer space available",
-	56: "socket is already connected",
-	57: "socket is not connected",
-	58: "can't send after socket shutdown",
-	59: "too many references: can't splice",
-	60: "operation timed out",
-	61: "connection refused",
-	62: "too many levels of symbolic links",
-	63: "file name too long",
-	64: "host is down",
-	65: "no route to host",
-	66: "directory not empty",
-	67: "too many processes",
-	68: "too many users",
-	69: "disc quota exceeded",
-	70: "stale NFS file handle",
-	71: "too many levels of remote in path",
-	72: "RPC struct is bad",
-	73: "RPC version wrong",
-	74: "RPC prog. not avail",
-	75: "program version wrong",
-	76: "bad procedure for program",
-	77: "no locks available",
-	78: "function not implemented",
-	79: "inappropriate file type or format",
-	80: "authentication error",
-	81: "need authenticator",
-	82: "identifier removed",
-	83: "no message of desired type",
-	84: "value too large to be stored in data type",
-	85: "operation canceled",
-	86: "illegal byte sequence",
-	87: "attribute not found",
-	88: "programming error",
-	89: "bad message",
-	90: "multihop attempted",
-	91: "link has been severed",
-	92: "protocol error",
-	93: "capabilities insufficient",
-	94: "not permitted in capability mode",
-	95: "state not recoverable",
-	96: "previous owner died",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "device not configured"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EDEADLK", "resource deadlock avoided"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "cross-device link"},
+	{19, "ENODEV", "operation not supported by device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "result too large"},
+	{35, "EAGAIN", "resource temporarily unavailable"},
+	{36, "EINPROGRESS", "operation now in progress"},
+	{37, "EALREADY", "operation already in progress"},
+	{38, "ENOTSOCK", "socket operation on non-socket"},
+	{39, "EDESTADDRREQ", "destination address required"},
+	{40, "EMSGSIZE", "message too long"},
+	{41, "EPROTOTYPE", "protocol wrong type for socket"},
+	{42, "ENOPROTOOPT", "protocol not available"},
+	{43, "EPROTONOSUPPORT", "protocol not supported"},
+	{44, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{45, "EOPNOTSUPP", "operation not supported"},
+	{46, "EPFNOSUPPORT", "protocol family not supported"},
+	{47, "EAFNOSUPPORT", "address family not supported by protocol family"},
+	{48, "EADDRINUSE", "address already in use"},
+	{49, "EADDRNOTAVAIL", "can't assign requested address"},
+	{50, "ENETDOWN", "network is down"},
+	{51, "ENETUNREACH", "network is unreachable"},
+	{52, "ENETRESET", "network dropped connection on reset"},
+	{53, "ECONNABORTED", "software caused connection abort"},
+	{54, "ECONNRESET", "connection reset by peer"},
+	{55, "ENOBUFS", "no buffer space available"},
+	{56, "EISCONN", "socket is already connected"},
+	{57, "ENOTCONN", "socket is not connected"},
+	{58, "ESHUTDOWN", "can't send after socket shutdown"},
+	{59, "ETOOMANYREFS", "too many references: can't splice"},
+	{60, "ETIMEDOUT", "operation timed out"},
+	{61, "ECONNREFUSED", "connection refused"},
+	{62, "ELOOP", "too many levels of symbolic links"},
+	{63, "ENAMETOOLONG", "file name too long"},
+	{64, "EHOSTDOWN", "host is down"},
+	{65, "EHOSTUNREACH", "no route to host"},
+	{66, "ENOTEMPTY", "directory not empty"},
+	{67, "EPROCLIM", "too many processes"},
+	{68, "EUSERS", "too many users"},
+	{69, "EDQUOT", "disc quota exceeded"},
+	{70, "ESTALE", "stale NFS file handle"},
+	{71, "EREMOTE", "too many levels of remote in path"},
+	{72, "EBADRPC", "RPC struct is bad"},
+	{73, "ERPCMISMATCH", "RPC version wrong"},
+	{74, "EPROGUNAVAIL", "RPC prog. not avail"},
+	{75, "EPROGMISMATCH", "program version wrong"},
+	{76, "EPROCUNAVAIL", "bad procedure for program"},
+	{77, "ENOLCK", "no locks available"},
+	{78, "ENOSYS", "function not implemented"},
+	{79, "EFTYPE", "inappropriate file type or format"},
+	{80, "EAUTH", "authentication error"},
+	{81, "ENEEDAUTH", "need authenticator"},
+	{82, "EIDRM", "identifier removed"},
+	{83, "ENOMSG", "no message of desired type"},
+	{84, "EOVERFLOW", "value too large to be stored in data type"},
+	{85, "ECANCELED", "operation canceled"},
+	{86, "EILSEQ", "illegal byte sequence"},
+	{87, "ENOATTR", "attribute not found"},
+	{88, "EDOOFUS", "programming error"},
+	{89, "EBADMSG", "bad message"},
+	{90, "EMULTIHOP", "multihop attempted"},
+	{91, "ENOLINK", "link has been severed"},
+	{92, "EPROTO", "protocol error"},
+	{93, "ENOTCAPABLE", "capabilities insufficient"},
+	{94, "ECAPMODE", "not permitted in capability mode"},
+	{95, "ENOTRECOVERABLE", "state not recoverable"},
+	{96, "EOWNERDEAD", "previous owner died"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/BPT trap",
-	6:  "abort trap",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "urgent I/O condition",
-	17: "suspended (signal)",
-	18: "suspended",
-	19: "continued",
-	20: "child exited",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "I/O possible",
-	24: "cputime limit exceeded",
-	25: "filesize limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window size changes",
-	29: "information request",
-	30: "user defined signal 1",
-	31: "user defined signal 2",
-	32: "unknown signal",
-	33: "unknown signal",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/BPT trap"},
+	{6, "SIGIOT", "abort trap"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGURG", "urgent I/O condition"},
+	{17, "SIGSTOP", "suspended (signal)"},
+	{18, "SIGTSTP", "suspended"},
+	{19, "SIGCONT", "continued"},
+	{20, "SIGCHLD", "child exited"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGIO", "I/O possible"},
+	{24, "SIGXCPU", "cputime limit exceeded"},
+	{25, "SIGXFSZ", "filesize limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window size changes"},
+	{29, "SIGINFO", "information request"},
+	{30, "SIGUSR1", "user defined signal 1"},
+	{31, "SIGUSR2", "user defined signal 2"},
+	{32, "SIGTHR", "unknown signal"},
+	{33, "SIGLIBRT", "unknown signal"},
 }
diff --git a/unix/zerrors_freebsd_arm.go b/unix/zerrors_freebsd_arm.go
index 9bbb90a..e8240d2 100644
--- a/unix/zerrors_freebsd_arm.go
+++ b/unix/zerrors_freebsd_arm.go
@@ -1628,138 +1628,146 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:  "operation not permitted",
-	2:  "no such file or directory",
-	3:  "no such process",
-	4:  "interrupted system call",
-	5:  "input/output error",
-	6:  "device not configured",
-	7:  "argument list too long",
-	8:  "exec format error",
-	9:  "bad file descriptor",
-	10: "no child processes",
-	11: "resource deadlock avoided",
-	12: "cannot allocate memory",
-	13: "permission denied",
-	14: "bad address",
-	15: "block device required",
-	16: "device busy",
-	17: "file exists",
-	18: "cross-device link",
-	19: "operation not supported by device",
-	20: "not a directory",
-	21: "is a directory",
-	22: "invalid argument",
-	23: "too many open files in system",
-	24: "too many open files",
-	25: "inappropriate ioctl for device",
-	26: "text file busy",
-	27: "file too large",
-	28: "no space left on device",
-	29: "illegal seek",
-	30: "read-only file system",
-	31: "too many links",
-	32: "broken pipe",
-	33: "numerical argument out of domain",
-	34: "result too large",
-	35: "resource temporarily unavailable",
-	36: "operation now in progress",
-	37: "operation already in progress",
-	38: "socket operation on non-socket",
-	39: "destination address required",
-	40: "message too long",
-	41: "protocol wrong type for socket",
-	42: "protocol not available",
-	43: "protocol not supported",
-	44: "socket type not supported",
-	45: "operation not supported",
-	46: "protocol family not supported",
-	47: "address family not supported by protocol family",
-	48: "address already in use",
-	49: "can't assign requested address",
-	50: "network is down",
-	51: "network is unreachable",
-	52: "network dropped connection on reset",
-	53: "software caused connection abort",
-	54: "connection reset by peer",
-	55: "no buffer space available",
-	56: "socket is already connected",
-	57: "socket is not connected",
-	58: "can't send after socket shutdown",
-	59: "too many references: can't splice",
-	60: "operation timed out",
-	61: "connection refused",
-	62: "too many levels of symbolic links",
-	63: "file name too long",
-	64: "host is down",
-	65: "no route to host",
-	66: "directory not empty",
-	67: "too many processes",
-	68: "too many users",
-	69: "disc quota exceeded",
-	70: "stale NFS file handle",
-	71: "too many levels of remote in path",
-	72: "RPC struct is bad",
-	73: "RPC version wrong",
-	74: "RPC prog. not avail",
-	75: "program version wrong",
-	76: "bad procedure for program",
-	77: "no locks available",
-	78: "function not implemented",
-	79: "inappropriate file type or format",
-	80: "authentication error",
-	81: "need authenticator",
-	82: "identifier removed",
-	83: "no message of desired type",
-	84: "value too large to be stored in data type",
-	85: "operation canceled",
-	86: "illegal byte sequence",
-	87: "attribute not found",
-	88: "programming error",
-	89: "bad message",
-	90: "multihop attempted",
-	91: "link has been severed",
-	92: "protocol error",
-	93: "capabilities insufficient",
-	94: "not permitted in capability mode",
-	95: "state not recoverable",
-	96: "previous owner died",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "device not configured"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EDEADLK", "resource deadlock avoided"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "cross-device link"},
+	{19, "ENODEV", "operation not supported by device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "result too large"},
+	{35, "EAGAIN", "resource temporarily unavailable"},
+	{36, "EINPROGRESS", "operation now in progress"},
+	{37, "EALREADY", "operation already in progress"},
+	{38, "ENOTSOCK", "socket operation on non-socket"},
+	{39, "EDESTADDRREQ", "destination address required"},
+	{40, "EMSGSIZE", "message too long"},
+	{41, "EPROTOTYPE", "protocol wrong type for socket"},
+	{42, "ENOPROTOOPT", "protocol not available"},
+	{43, "EPROTONOSUPPORT", "protocol not supported"},
+	{44, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{45, "EOPNOTSUPP", "operation not supported"},
+	{46, "EPFNOSUPPORT", "protocol family not supported"},
+	{47, "EAFNOSUPPORT", "address family not supported by protocol family"},
+	{48, "EADDRINUSE", "address already in use"},
+	{49, "EADDRNOTAVAIL", "can't assign requested address"},
+	{50, "ENETDOWN", "network is down"},
+	{51, "ENETUNREACH", "network is unreachable"},
+	{52, "ENETRESET", "network dropped connection on reset"},
+	{53, "ECONNABORTED", "software caused connection abort"},
+	{54, "ECONNRESET", "connection reset by peer"},
+	{55, "ENOBUFS", "no buffer space available"},
+	{56, "EISCONN", "socket is already connected"},
+	{57, "ENOTCONN", "socket is not connected"},
+	{58, "ESHUTDOWN", "can't send after socket shutdown"},
+	{59, "ETOOMANYREFS", "too many references: can't splice"},
+	{60, "ETIMEDOUT", "operation timed out"},
+	{61, "ECONNREFUSED", "connection refused"},
+	{62, "ELOOP", "too many levels of symbolic links"},
+	{63, "ENAMETOOLONG", "file name too long"},
+	{64, "EHOSTDOWN", "host is down"},
+	{65, "EHOSTUNREACH", "no route to host"},
+	{66, "ENOTEMPTY", "directory not empty"},
+	{67, "EPROCLIM", "too many processes"},
+	{68, "EUSERS", "too many users"},
+	{69, "EDQUOT", "disc quota exceeded"},
+	{70, "ESTALE", "stale NFS file handle"},
+	{71, "EREMOTE", "too many levels of remote in path"},
+	{72, "EBADRPC", "RPC struct is bad"},
+	{73, "ERPCMISMATCH", "RPC version wrong"},
+	{74, "EPROGUNAVAIL", "RPC prog. not avail"},
+	{75, "EPROGMISMATCH", "program version wrong"},
+	{76, "EPROCUNAVAIL", "bad procedure for program"},
+	{77, "ENOLCK", "no locks available"},
+	{78, "ENOSYS", "function not implemented"},
+	{79, "EFTYPE", "inappropriate file type or format"},
+	{80, "EAUTH", "authentication error"},
+	{81, "ENEEDAUTH", "need authenticator"},
+	{82, "EIDRM", "identifier removed"},
+	{83, "ENOMSG", "no message of desired type"},
+	{84, "EOVERFLOW", "value too large to be stored in data type"},
+	{85, "ECANCELED", "operation canceled"},
+	{86, "EILSEQ", "illegal byte sequence"},
+	{87, "ENOATTR", "attribute not found"},
+	{88, "EDOOFUS", "programming error"},
+	{89, "EBADMSG", "bad message"},
+	{90, "EMULTIHOP", "multihop attempted"},
+	{91, "ENOLINK", "link has been severed"},
+	{92, "EPROTO", "protocol error"},
+	{93, "ENOTCAPABLE", "capabilities insufficient"},
+	{94, "ECAPMODE", "not permitted in capability mode"},
+	{95, "ENOTRECOVERABLE", "state not recoverable"},
+	{96, "EOWNERDEAD", "previous owner died"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/BPT trap",
-	6:  "abort trap",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "urgent I/O condition",
-	17: "suspended (signal)",
-	18: "suspended",
-	19: "continued",
-	20: "child exited",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "I/O possible",
-	24: "cputime limit exceeded",
-	25: "filesize limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window size changes",
-	29: "information request",
-	30: "user defined signal 1",
-	31: "user defined signal 2",
-	32: "unknown signal",
-	33: "unknown signal",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/BPT trap"},
+	{6, "SIGIOT", "abort trap"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGURG", "urgent I/O condition"},
+	{17, "SIGSTOP", "suspended (signal)"},
+	{18, "SIGTSTP", "suspended"},
+	{19, "SIGCONT", "continued"},
+	{20, "SIGCHLD", "child exited"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGIO", "I/O possible"},
+	{24, "SIGXCPU", "cputime limit exceeded"},
+	{25, "SIGXFSZ", "filesize limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window size changes"},
+	{29, "SIGINFO", "information request"},
+	{30, "SIGUSR1", "user defined signal 1"},
+	{31, "SIGUSR2", "user defined signal 2"},
+	{32, "SIGTHR", "unknown signal"},
+	{33, "SIGLIBRT", "unknown signal"},
 }
diff --git a/unix/zerrors_linux_386.go b/unix/zerrors_linux_386.go
index 51454e1..3c3d5e5 100644
--- a/unix/zerrors_linux_386.go
+++ b/unix/zerrors_linux_386.go
@@ -2268,171 +2268,179 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:   "operation not permitted",
-	2:   "no such file or directory",
-	3:   "no such process",
-	4:   "interrupted system call",
-	5:   "input/output error",
-	6:   "no such device or address",
-	7:   "argument list too long",
-	8:   "exec format error",
-	9:   "bad file descriptor",
-	10:  "no child processes",
-	11:  "resource temporarily unavailable",
-	12:  "cannot allocate memory",
-	13:  "permission denied",
-	14:  "bad address",
-	15:  "block device required",
-	16:  "device or resource busy",
-	17:  "file exists",
-	18:  "invalid cross-device link",
-	19:  "no such device",
-	20:  "not a directory",
-	21:  "is a directory",
-	22:  "invalid argument",
-	23:  "too many open files in system",
-	24:  "too many open files",
-	25:  "inappropriate ioctl for device",
-	26:  "text file busy",
-	27:  "file too large",
-	28:  "no space left on device",
-	29:  "illegal seek",
-	30:  "read-only file system",
-	31:  "too many links",
-	32:  "broken pipe",
-	33:  "numerical argument out of domain",
-	34:  "numerical result out of range",
-	35:  "resource deadlock avoided",
-	36:  "file name too long",
-	37:  "no locks available",
-	38:  "function not implemented",
-	39:  "directory not empty",
-	40:  "too many levels of symbolic links",
-	42:  "no message of desired type",
-	43:  "identifier removed",
-	44:  "channel number out of range",
-	45:  "level 2 not synchronized",
-	46:  "level 3 halted",
-	47:  "level 3 reset",
-	48:  "link number out of range",
-	49:  "protocol driver not attached",
-	50:  "no CSI structure available",
-	51:  "level 2 halted",
-	52:  "invalid exchange",
-	53:  "invalid request descriptor",
-	54:  "exchange full",
-	55:  "no anode",
-	56:  "invalid request code",
-	57:  "invalid slot",
-	59:  "bad font file format",
-	60:  "device not a stream",
-	61:  "no data available",
-	62:  "timer expired",
-	63:  "out of streams resources",
-	64:  "machine is not on the network",
-	65:  "package not installed",
-	66:  "object is remote",
-	67:  "link has been severed",
-	68:  "advertise error",
-	69:  "srmount error",
-	70:  "communication error on send",
-	71:  "protocol error",
-	72:  "multihop attempted",
-	73:  "RFS specific error",
-	74:  "bad message",
-	75:  "value too large for defined data type",
-	76:  "name not unique on network",
-	77:  "file descriptor in bad state",
-	78:  "remote address changed",
-	79:  "can not access a needed shared library",
-	80:  "accessing a corrupted shared library",
-	81:  ".lib section in a.out corrupted",
-	82:  "attempting to link in too many shared libraries",
-	83:  "cannot exec a shared library directly",
-	84:  "invalid or incomplete multibyte or wide character",
-	85:  "interrupted system call should be restarted",
-	86:  "streams pipe error",
-	87:  "too many users",
-	88:  "socket operation on non-socket",
-	89:  "destination address required",
-	90:  "message too long",
-	91:  "protocol wrong type for socket",
-	92:  "protocol not available",
-	93:  "protocol not supported",
-	94:  "socket type not supported",
-	95:  "operation not supported",
-	96:  "protocol family not supported",
-	97:  "address family not supported by protocol",
-	98:  "address already in use",
-	99:  "cannot assign requested address",
-	100: "network is down",
-	101: "network is unreachable",
-	102: "network dropped connection on reset",
-	103: "software caused connection abort",
-	104: "connection reset by peer",
-	105: "no buffer space available",
-	106: "transport endpoint is already connected",
-	107: "transport endpoint is not connected",
-	108: "cannot send after transport endpoint shutdown",
-	109: "too many references: cannot splice",
-	110: "connection timed out",
-	111: "connection refused",
-	112: "host is down",
-	113: "no route to host",
-	114: "operation already in progress",
-	115: "operation now in progress",
-	116: "stale file handle",
-	117: "structure needs cleaning",
-	118: "not a XENIX named type file",
-	119: "no XENIX semaphores available",
-	120: "is a named type file",
-	121: "remote I/O error",
-	122: "disk quota exceeded",
-	123: "no medium found",
-	124: "wrong medium type",
-	125: "operation canceled",
-	126: "required key not available",
-	127: "key has expired",
-	128: "key has been revoked",
-	129: "key was rejected by service",
-	130: "owner died",
-	131: "state not recoverable",
-	132: "operation not possible due to RF-kill",
-	133: "memory page has hardware error",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "no such device or address"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EAGAIN", "resource temporarily unavailable"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device or resource busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "invalid cross-device link"},
+	{19, "ENODEV", "no such device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "numerical result out of range"},
+	{35, "EDEADLK", "resource deadlock avoided"},
+	{36, "ENAMETOOLONG", "file name too long"},
+	{37, "ENOLCK", "no locks available"},
+	{38, "ENOSYS", "function not implemented"},
+	{39, "ENOTEMPTY", "directory not empty"},
+	{40, "ELOOP", "too many levels of symbolic links"},
+	{42, "ENOMSG", "no message of desired type"},
+	{43, "EIDRM", "identifier removed"},
+	{44, "ECHRNG", "channel number out of range"},
+	{45, "EL2NSYNC", "level 2 not synchronized"},
+	{46, "EL3HLT", "level 3 halted"},
+	{47, "EL3RST", "level 3 reset"},
+	{48, "ELNRNG", "link number out of range"},
+	{49, "EUNATCH", "protocol driver not attached"},
+	{50, "ENOCSI", "no CSI structure available"},
+	{51, "EL2HLT", "level 2 halted"},
+	{52, "EBADE", "invalid exchange"},
+	{53, "EBADR", "invalid request descriptor"},
+	{54, "EXFULL", "exchange full"},
+	{55, "ENOANO", "no anode"},
+	{56, "EBADRQC", "invalid request code"},
+	{57, "EBADSLT", "invalid slot"},
+	{59, "EBFONT", "bad font file format"},
+	{60, "ENOSTR", "device not a stream"},
+	{61, "ENODATA", "no data available"},
+	{62, "ETIME", "timer expired"},
+	{63, "ENOSR", "out of streams resources"},
+	{64, "ENONET", "machine is not on the network"},
+	{65, "ENOPKG", "package not installed"},
+	{66, "EREMOTE", "object is remote"},
+	{67, "ENOLINK", "link has been severed"},
+	{68, "EADV", "advertise error"},
+	{69, "ESRMNT", "srmount error"},
+	{70, "ECOMM", "communication error on send"},
+	{71, "EPROTO", "protocol error"},
+	{72, "EMULTIHOP", "multihop attempted"},
+	{73, "EDOTDOT", "RFS specific error"},
+	{74, "EBADMSG", "bad message"},
+	{75, "EOVERFLOW", "value too large for defined data type"},
+	{76, "ENOTUNIQ", "name not unique on network"},
+	{77, "EBADFD", "file descriptor in bad state"},
+	{78, "EREMCHG", "remote address changed"},
+	{79, "ELIBACC", "can not access a needed shared library"},
+	{80, "ELIBBAD", "accessing a corrupted shared library"},
+	{81, "ELIBSCN", ".lib section in a.out corrupted"},
+	{82, "ELIBMAX", "attempting to link in too many shared libraries"},
+	{83, "ELIBEXEC", "cannot exec a shared library directly"},
+	{84, "EILSEQ", "invalid or incomplete multibyte or wide character"},
+	{85, "ERESTART", "interrupted system call should be restarted"},
+	{86, "ESTRPIPE", "streams pipe error"},
+	{87, "EUSERS", "too many users"},
+	{88, "ENOTSOCK", "socket operation on non-socket"},
+	{89, "EDESTADDRREQ", "destination address required"},
+	{90, "EMSGSIZE", "message too long"},
+	{91, "EPROTOTYPE", "protocol wrong type for socket"},
+	{92, "ENOPROTOOPT", "protocol not available"},
+	{93, "EPROTONOSUPPORT", "protocol not supported"},
+	{94, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{95, "ENOTSUP", "operation not supported"},
+	{96, "EPFNOSUPPORT", "protocol family not supported"},
+	{97, "EAFNOSUPPORT", "address family not supported by protocol"},
+	{98, "EADDRINUSE", "address already in use"},
+	{99, "EADDRNOTAVAIL", "cannot assign requested address"},
+	{100, "ENETDOWN", "network is down"},
+	{101, "ENETUNREACH", "network is unreachable"},
+	{102, "ENETRESET", "network dropped connection on reset"},
+	{103, "ECONNABORTED", "software caused connection abort"},
+	{104, "ECONNRESET", "connection reset by peer"},
+	{105, "ENOBUFS", "no buffer space available"},
+	{106, "EISCONN", "transport endpoint is already connected"},
+	{107, "ENOTCONN", "transport endpoint is not connected"},
+	{108, "ESHUTDOWN", "cannot send after transport endpoint shutdown"},
+	{109, "ETOOMANYREFS", "too many references: cannot splice"},
+	{110, "ETIMEDOUT", "connection timed out"},
+	{111, "ECONNREFUSED", "connection refused"},
+	{112, "EHOSTDOWN", "host is down"},
+	{113, "EHOSTUNREACH", "no route to host"},
+	{114, "EALREADY", "operation already in progress"},
+	{115, "EINPROGRESS", "operation now in progress"},
+	{116, "ESTALE", "stale file handle"},
+	{117, "EUCLEAN", "structure needs cleaning"},
+	{118, "ENOTNAM", "not a XENIX named type file"},
+	{119, "ENAVAIL", "no XENIX semaphores available"},
+	{120, "EISNAM", "is a named type file"},
+	{121, "EREMOTEIO", "remote I/O error"},
+	{122, "EDQUOT", "disk quota exceeded"},
+	{123, "ENOMEDIUM", "no medium found"},
+	{124, "EMEDIUMTYPE", "wrong medium type"},
+	{125, "ECANCELED", "operation canceled"},
+	{126, "ENOKEY", "required key not available"},
+	{127, "EKEYEXPIRED", "key has expired"},
+	{128, "EKEYREVOKED", "key has been revoked"},
+	{129, "EKEYREJECTED", "key was rejected by service"},
+	{130, "EOWNERDEAD", "owner died"},
+	{131, "ENOTRECOVERABLE", "state not recoverable"},
+	{132, "ERFKILL", "operation not possible due to RF-kill"},
+	{133, "EHWPOISON", "memory page has hardware error"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/breakpoint trap",
-	6:  "aborted",
-	7:  "bus error",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "user defined signal 1",
-	11: "segmentation fault",
-	12: "user defined signal 2",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "stack fault",
-	17: "child exited",
-	18: "continued",
-	19: "stopped (signal)",
-	20: "stopped",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "urgent I/O condition",
-	24: "CPU time limit exceeded",
-	25: "file size limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window changed",
-	29: "I/O possible",
-	30: "power failure",
-	31: "bad system call",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/breakpoint trap"},
+	{6, "SIGABRT", "aborted"},
+	{7, "SIGBUS", "bus error"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGUSR1", "user defined signal 1"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGUSR2", "user defined signal 2"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGSTKFLT", "stack fault"},
+	{17, "SIGCHLD", "child exited"},
+	{18, "SIGCONT", "continued"},
+	{19, "SIGSTOP", "stopped (signal)"},
+	{20, "SIGTSTP", "stopped"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGURG", "urgent I/O condition"},
+	{24, "SIGXCPU", "CPU time limit exceeded"},
+	{25, "SIGXFSZ", "file size limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window changed"},
+	{29, "SIGIO", "I/O possible"},
+	{30, "SIGPWR", "power failure"},
+	{31, "SIGSYS", "bad system call"},
 }
diff --git a/unix/zerrors_linux_amd64.go b/unix/zerrors_linux_amd64.go
index c3bad0c..4229e97 100644
--- a/unix/zerrors_linux_amd64.go
+++ b/unix/zerrors_linux_amd64.go
@@ -2269,171 +2269,179 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:   "operation not permitted",
-	2:   "no such file or directory",
-	3:   "no such process",
-	4:   "interrupted system call",
-	5:   "input/output error",
-	6:   "no such device or address",
-	7:   "argument list too long",
-	8:   "exec format error",
-	9:   "bad file descriptor",
-	10:  "no child processes",
-	11:  "resource temporarily unavailable",
-	12:  "cannot allocate memory",
-	13:  "permission denied",
-	14:  "bad address",
-	15:  "block device required",
-	16:  "device or resource busy",
-	17:  "file exists",
-	18:  "invalid cross-device link",
-	19:  "no such device",
-	20:  "not a directory",
-	21:  "is a directory",
-	22:  "invalid argument",
-	23:  "too many open files in system",
-	24:  "too many open files",
-	25:  "inappropriate ioctl for device",
-	26:  "text file busy",
-	27:  "file too large",
-	28:  "no space left on device",
-	29:  "illegal seek",
-	30:  "read-only file system",
-	31:  "too many links",
-	32:  "broken pipe",
-	33:  "numerical argument out of domain",
-	34:  "numerical result out of range",
-	35:  "resource deadlock avoided",
-	36:  "file name too long",
-	37:  "no locks available",
-	38:  "function not implemented",
-	39:  "directory not empty",
-	40:  "too many levels of symbolic links",
-	42:  "no message of desired type",
-	43:  "identifier removed",
-	44:  "channel number out of range",
-	45:  "level 2 not synchronized",
-	46:  "level 3 halted",
-	47:  "level 3 reset",
-	48:  "link number out of range",
-	49:  "protocol driver not attached",
-	50:  "no CSI structure available",
-	51:  "level 2 halted",
-	52:  "invalid exchange",
-	53:  "invalid request descriptor",
-	54:  "exchange full",
-	55:  "no anode",
-	56:  "invalid request code",
-	57:  "invalid slot",
-	59:  "bad font file format",
-	60:  "device not a stream",
-	61:  "no data available",
-	62:  "timer expired",
-	63:  "out of streams resources",
-	64:  "machine is not on the network",
-	65:  "package not installed",
-	66:  "object is remote",
-	67:  "link has been severed",
-	68:  "advertise error",
-	69:  "srmount error",
-	70:  "communication error on send",
-	71:  "protocol error",
-	72:  "multihop attempted",
-	73:  "RFS specific error",
-	74:  "bad message",
-	75:  "value too large for defined data type",
-	76:  "name not unique on network",
-	77:  "file descriptor in bad state",
-	78:  "remote address changed",
-	79:  "can not access a needed shared library",
-	80:  "accessing a corrupted shared library",
-	81:  ".lib section in a.out corrupted",
-	82:  "attempting to link in too many shared libraries",
-	83:  "cannot exec a shared library directly",
-	84:  "invalid or incomplete multibyte or wide character",
-	85:  "interrupted system call should be restarted",
-	86:  "streams pipe error",
-	87:  "too many users",
-	88:  "socket operation on non-socket",
-	89:  "destination address required",
-	90:  "message too long",
-	91:  "protocol wrong type for socket",
-	92:  "protocol not available",
-	93:  "protocol not supported",
-	94:  "socket type not supported",
-	95:  "operation not supported",
-	96:  "protocol family not supported",
-	97:  "address family not supported by protocol",
-	98:  "address already in use",
-	99:  "cannot assign requested address",
-	100: "network is down",
-	101: "network is unreachable",
-	102: "network dropped connection on reset",
-	103: "software caused connection abort",
-	104: "connection reset by peer",
-	105: "no buffer space available",
-	106: "transport endpoint is already connected",
-	107: "transport endpoint is not connected",
-	108: "cannot send after transport endpoint shutdown",
-	109: "too many references: cannot splice",
-	110: "connection timed out",
-	111: "connection refused",
-	112: "host is down",
-	113: "no route to host",
-	114: "operation already in progress",
-	115: "operation now in progress",
-	116: "stale file handle",
-	117: "structure needs cleaning",
-	118: "not a XENIX named type file",
-	119: "no XENIX semaphores available",
-	120: "is a named type file",
-	121: "remote I/O error",
-	122: "disk quota exceeded",
-	123: "no medium found",
-	124: "wrong medium type",
-	125: "operation canceled",
-	126: "required key not available",
-	127: "key has expired",
-	128: "key has been revoked",
-	129: "key was rejected by service",
-	130: "owner died",
-	131: "state not recoverable",
-	132: "operation not possible due to RF-kill",
-	133: "memory page has hardware error",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "no such device or address"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EAGAIN", "resource temporarily unavailable"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device or resource busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "invalid cross-device link"},
+	{19, "ENODEV", "no such device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "numerical result out of range"},
+	{35, "EDEADLK", "resource deadlock avoided"},
+	{36, "ENAMETOOLONG", "file name too long"},
+	{37, "ENOLCK", "no locks available"},
+	{38, "ENOSYS", "function not implemented"},
+	{39, "ENOTEMPTY", "directory not empty"},
+	{40, "ELOOP", "too many levels of symbolic links"},
+	{42, "ENOMSG", "no message of desired type"},
+	{43, "EIDRM", "identifier removed"},
+	{44, "ECHRNG", "channel number out of range"},
+	{45, "EL2NSYNC", "level 2 not synchronized"},
+	{46, "EL3HLT", "level 3 halted"},
+	{47, "EL3RST", "level 3 reset"},
+	{48, "ELNRNG", "link number out of range"},
+	{49, "EUNATCH", "protocol driver not attached"},
+	{50, "ENOCSI", "no CSI structure available"},
+	{51, "EL2HLT", "level 2 halted"},
+	{52, "EBADE", "invalid exchange"},
+	{53, "EBADR", "invalid request descriptor"},
+	{54, "EXFULL", "exchange full"},
+	{55, "ENOANO", "no anode"},
+	{56, "EBADRQC", "invalid request code"},
+	{57, "EBADSLT", "invalid slot"},
+	{59, "EBFONT", "bad font file format"},
+	{60, "ENOSTR", "device not a stream"},
+	{61, "ENODATA", "no data available"},
+	{62, "ETIME", "timer expired"},
+	{63, "ENOSR", "out of streams resources"},
+	{64, "ENONET", "machine is not on the network"},
+	{65, "ENOPKG", "package not installed"},
+	{66, "EREMOTE", "object is remote"},
+	{67, "ENOLINK", "link has been severed"},
+	{68, "EADV", "advertise error"},
+	{69, "ESRMNT", "srmount error"},
+	{70, "ECOMM", "communication error on send"},
+	{71, "EPROTO", "protocol error"},
+	{72, "EMULTIHOP", "multihop attempted"},
+	{73, "EDOTDOT", "RFS specific error"},
+	{74, "EBADMSG", "bad message"},
+	{75, "EOVERFLOW", "value too large for defined data type"},
+	{76, "ENOTUNIQ", "name not unique on network"},
+	{77, "EBADFD", "file descriptor in bad state"},
+	{78, "EREMCHG", "remote address changed"},
+	{79, "ELIBACC", "can not access a needed shared library"},
+	{80, "ELIBBAD", "accessing a corrupted shared library"},
+	{81, "ELIBSCN", ".lib section in a.out corrupted"},
+	{82, "ELIBMAX", "attempting to link in too many shared libraries"},
+	{83, "ELIBEXEC", "cannot exec a shared library directly"},
+	{84, "EILSEQ", "invalid or incomplete multibyte or wide character"},
+	{85, "ERESTART", "interrupted system call should be restarted"},
+	{86, "ESTRPIPE", "streams pipe error"},
+	{87, "EUSERS", "too many users"},
+	{88, "ENOTSOCK", "socket operation on non-socket"},
+	{89, "EDESTADDRREQ", "destination address required"},
+	{90, "EMSGSIZE", "message too long"},
+	{91, "EPROTOTYPE", "protocol wrong type for socket"},
+	{92, "ENOPROTOOPT", "protocol not available"},
+	{93, "EPROTONOSUPPORT", "protocol not supported"},
+	{94, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{95, "ENOTSUP", "operation not supported"},
+	{96, "EPFNOSUPPORT", "protocol family not supported"},
+	{97, "EAFNOSUPPORT", "address family not supported by protocol"},
+	{98, "EADDRINUSE", "address already in use"},
+	{99, "EADDRNOTAVAIL", "cannot assign requested address"},
+	{100, "ENETDOWN", "network is down"},
+	{101, "ENETUNREACH", "network is unreachable"},
+	{102, "ENETRESET", "network dropped connection on reset"},
+	{103, "ECONNABORTED", "software caused connection abort"},
+	{104, "ECONNRESET", "connection reset by peer"},
+	{105, "ENOBUFS", "no buffer space available"},
+	{106, "EISCONN", "transport endpoint is already connected"},
+	{107, "ENOTCONN", "transport endpoint is not connected"},
+	{108, "ESHUTDOWN", "cannot send after transport endpoint shutdown"},
+	{109, "ETOOMANYREFS", "too many references: cannot splice"},
+	{110, "ETIMEDOUT", "connection timed out"},
+	{111, "ECONNREFUSED", "connection refused"},
+	{112, "EHOSTDOWN", "host is down"},
+	{113, "EHOSTUNREACH", "no route to host"},
+	{114, "EALREADY", "operation already in progress"},
+	{115, "EINPROGRESS", "operation now in progress"},
+	{116, "ESTALE", "stale file handle"},
+	{117, "EUCLEAN", "structure needs cleaning"},
+	{118, "ENOTNAM", "not a XENIX named type file"},
+	{119, "ENAVAIL", "no XENIX semaphores available"},
+	{120, "EISNAM", "is a named type file"},
+	{121, "EREMOTEIO", "remote I/O error"},
+	{122, "EDQUOT", "disk quota exceeded"},
+	{123, "ENOMEDIUM", "no medium found"},
+	{124, "EMEDIUMTYPE", "wrong medium type"},
+	{125, "ECANCELED", "operation canceled"},
+	{126, "ENOKEY", "required key not available"},
+	{127, "EKEYEXPIRED", "key has expired"},
+	{128, "EKEYREVOKED", "key has been revoked"},
+	{129, "EKEYREJECTED", "key was rejected by service"},
+	{130, "EOWNERDEAD", "owner died"},
+	{131, "ENOTRECOVERABLE", "state not recoverable"},
+	{132, "ERFKILL", "operation not possible due to RF-kill"},
+	{133, "EHWPOISON", "memory page has hardware error"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/breakpoint trap",
-	6:  "aborted",
-	7:  "bus error",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "user defined signal 1",
-	11: "segmentation fault",
-	12: "user defined signal 2",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "stack fault",
-	17: "child exited",
-	18: "continued",
-	19: "stopped (signal)",
-	20: "stopped",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "urgent I/O condition",
-	24: "CPU time limit exceeded",
-	25: "file size limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window changed",
-	29: "I/O possible",
-	30: "power failure",
-	31: "bad system call",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/breakpoint trap"},
+	{6, "SIGABRT", "aborted"},
+	{7, "SIGBUS", "bus error"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGUSR1", "user defined signal 1"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGUSR2", "user defined signal 2"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGSTKFLT", "stack fault"},
+	{17, "SIGCHLD", "child exited"},
+	{18, "SIGCONT", "continued"},
+	{19, "SIGSTOP", "stopped (signal)"},
+	{20, "SIGTSTP", "stopped"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGURG", "urgent I/O condition"},
+	{24, "SIGXCPU", "CPU time limit exceeded"},
+	{25, "SIGXFSZ", "file size limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window changed"},
+	{29, "SIGIO", "I/O possible"},
+	{30, "SIGPWR", "power failure"},
+	{31, "SIGSYS", "bad system call"},
 }
diff --git a/unix/zerrors_linux_arm.go b/unix/zerrors_linux_arm.go
index 8218df1..d0c62ae 100644
--- a/unix/zerrors_linux_arm.go
+++ b/unix/zerrors_linux_arm.go
@@ -2276,171 +2276,179 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:   "operation not permitted",
-	2:   "no such file or directory",
-	3:   "no such process",
-	4:   "interrupted system call",
-	5:   "input/output error",
-	6:   "no such device or address",
-	7:   "argument list too long",
-	8:   "exec format error",
-	9:   "bad file descriptor",
-	10:  "no child processes",
-	11:  "resource temporarily unavailable",
-	12:  "cannot allocate memory",
-	13:  "permission denied",
-	14:  "bad address",
-	15:  "block device required",
-	16:  "device or resource busy",
-	17:  "file exists",
-	18:  "invalid cross-device link",
-	19:  "no such device",
-	20:  "not a directory",
-	21:  "is a directory",
-	22:  "invalid argument",
-	23:  "too many open files in system",
-	24:  "too many open files",
-	25:  "inappropriate ioctl for device",
-	26:  "text file busy",
-	27:  "file too large",
-	28:  "no space left on device",
-	29:  "illegal seek",
-	30:  "read-only file system",
-	31:  "too many links",
-	32:  "broken pipe",
-	33:  "numerical argument out of domain",
-	34:  "numerical result out of range",
-	35:  "resource deadlock avoided",
-	36:  "file name too long",
-	37:  "no locks available",
-	38:  "function not implemented",
-	39:  "directory not empty",
-	40:  "too many levels of symbolic links",
-	42:  "no message of desired type",
-	43:  "identifier removed",
-	44:  "channel number out of range",
-	45:  "level 2 not synchronized",
-	46:  "level 3 halted",
-	47:  "level 3 reset",
-	48:  "link number out of range",
-	49:  "protocol driver not attached",
-	50:  "no CSI structure available",
-	51:  "level 2 halted",
-	52:  "invalid exchange",
-	53:  "invalid request descriptor",
-	54:  "exchange full",
-	55:  "no anode",
-	56:  "invalid request code",
-	57:  "invalid slot",
-	59:  "bad font file format",
-	60:  "device not a stream",
-	61:  "no data available",
-	62:  "timer expired",
-	63:  "out of streams resources",
-	64:  "machine is not on the network",
-	65:  "package not installed",
-	66:  "object is remote",
-	67:  "link has been severed",
-	68:  "advertise error",
-	69:  "srmount error",
-	70:  "communication error on send",
-	71:  "protocol error",
-	72:  "multihop attempted",
-	73:  "RFS specific error",
-	74:  "bad message",
-	75:  "value too large for defined data type",
-	76:  "name not unique on network",
-	77:  "file descriptor in bad state",
-	78:  "remote address changed",
-	79:  "can not access a needed shared library",
-	80:  "accessing a corrupted shared library",
-	81:  ".lib section in a.out corrupted",
-	82:  "attempting to link in too many shared libraries",
-	83:  "cannot exec a shared library directly",
-	84:  "invalid or incomplete multibyte or wide character",
-	85:  "interrupted system call should be restarted",
-	86:  "streams pipe error",
-	87:  "too many users",
-	88:  "socket operation on non-socket",
-	89:  "destination address required",
-	90:  "message too long",
-	91:  "protocol wrong type for socket",
-	92:  "protocol not available",
-	93:  "protocol not supported",
-	94:  "socket type not supported",
-	95:  "operation not supported",
-	96:  "protocol family not supported",
-	97:  "address family not supported by protocol",
-	98:  "address already in use",
-	99:  "cannot assign requested address",
-	100: "network is down",
-	101: "network is unreachable",
-	102: "network dropped connection on reset",
-	103: "software caused connection abort",
-	104: "connection reset by peer",
-	105: "no buffer space available",
-	106: "transport endpoint is already connected",
-	107: "transport endpoint is not connected",
-	108: "cannot send after transport endpoint shutdown",
-	109: "too many references: cannot splice",
-	110: "connection timed out",
-	111: "connection refused",
-	112: "host is down",
-	113: "no route to host",
-	114: "operation already in progress",
-	115: "operation now in progress",
-	116: "stale file handle",
-	117: "structure needs cleaning",
-	118: "not a XENIX named type file",
-	119: "no XENIX semaphores available",
-	120: "is a named type file",
-	121: "remote I/O error",
-	122: "disk quota exceeded",
-	123: "no medium found",
-	124: "wrong medium type",
-	125: "operation canceled",
-	126: "required key not available",
-	127: "key has expired",
-	128: "key has been revoked",
-	129: "key was rejected by service",
-	130: "owner died",
-	131: "state not recoverable",
-	132: "operation not possible due to RF-kill",
-	133: "memory page has hardware error",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "no such device or address"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EAGAIN", "resource temporarily unavailable"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device or resource busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "invalid cross-device link"},
+	{19, "ENODEV", "no such device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "numerical result out of range"},
+	{35, "EDEADLK", "resource deadlock avoided"},
+	{36, "ENAMETOOLONG", "file name too long"},
+	{37, "ENOLCK", "no locks available"},
+	{38, "ENOSYS", "function not implemented"},
+	{39, "ENOTEMPTY", "directory not empty"},
+	{40, "ELOOP", "too many levels of symbolic links"},
+	{42, "ENOMSG", "no message of desired type"},
+	{43, "EIDRM", "identifier removed"},
+	{44, "ECHRNG", "channel number out of range"},
+	{45, "EL2NSYNC", "level 2 not synchronized"},
+	{46, "EL3HLT", "level 3 halted"},
+	{47, "EL3RST", "level 3 reset"},
+	{48, "ELNRNG", "link number out of range"},
+	{49, "EUNATCH", "protocol driver not attached"},
+	{50, "ENOCSI", "no CSI structure available"},
+	{51, "EL2HLT", "level 2 halted"},
+	{52, "EBADE", "invalid exchange"},
+	{53, "EBADR", "invalid request descriptor"},
+	{54, "EXFULL", "exchange full"},
+	{55, "ENOANO", "no anode"},
+	{56, "EBADRQC", "invalid request code"},
+	{57, "EBADSLT", "invalid slot"},
+	{59, "EBFONT", "bad font file format"},
+	{60, "ENOSTR", "device not a stream"},
+	{61, "ENODATA", "no data available"},
+	{62, "ETIME", "timer expired"},
+	{63, "ENOSR", "out of streams resources"},
+	{64, "ENONET", "machine is not on the network"},
+	{65, "ENOPKG", "package not installed"},
+	{66, "EREMOTE", "object is remote"},
+	{67, "ENOLINK", "link has been severed"},
+	{68, "EADV", "advertise error"},
+	{69, "ESRMNT", "srmount error"},
+	{70, "ECOMM", "communication error on send"},
+	{71, "EPROTO", "protocol error"},
+	{72, "EMULTIHOP", "multihop attempted"},
+	{73, "EDOTDOT", "RFS specific error"},
+	{74, "EBADMSG", "bad message"},
+	{75, "EOVERFLOW", "value too large for defined data type"},
+	{76, "ENOTUNIQ", "name not unique on network"},
+	{77, "EBADFD", "file descriptor in bad state"},
+	{78, "EREMCHG", "remote address changed"},
+	{79, "ELIBACC", "can not access a needed shared library"},
+	{80, "ELIBBAD", "accessing a corrupted shared library"},
+	{81, "ELIBSCN", ".lib section in a.out corrupted"},
+	{82, "ELIBMAX", "attempting to link in too many shared libraries"},
+	{83, "ELIBEXEC", "cannot exec a shared library directly"},
+	{84, "EILSEQ", "invalid or incomplete multibyte or wide character"},
+	{85, "ERESTART", "interrupted system call should be restarted"},
+	{86, "ESTRPIPE", "streams pipe error"},
+	{87, "EUSERS", "too many users"},
+	{88, "ENOTSOCK", "socket operation on non-socket"},
+	{89, "EDESTADDRREQ", "destination address required"},
+	{90, "EMSGSIZE", "message too long"},
+	{91, "EPROTOTYPE", "protocol wrong type for socket"},
+	{92, "ENOPROTOOPT", "protocol not available"},
+	{93, "EPROTONOSUPPORT", "protocol not supported"},
+	{94, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{95, "ENOTSUP", "operation not supported"},
+	{96, "EPFNOSUPPORT", "protocol family not supported"},
+	{97, "EAFNOSUPPORT", "address family not supported by protocol"},
+	{98, "EADDRINUSE", "address already in use"},
+	{99, "EADDRNOTAVAIL", "cannot assign requested address"},
+	{100, "ENETDOWN", "network is down"},
+	{101, "ENETUNREACH", "network is unreachable"},
+	{102, "ENETRESET", "network dropped connection on reset"},
+	{103, "ECONNABORTED", "software caused connection abort"},
+	{104, "ECONNRESET", "connection reset by peer"},
+	{105, "ENOBUFS", "no buffer space available"},
+	{106, "EISCONN", "transport endpoint is already connected"},
+	{107, "ENOTCONN", "transport endpoint is not connected"},
+	{108, "ESHUTDOWN", "cannot send after transport endpoint shutdown"},
+	{109, "ETOOMANYREFS", "too many references: cannot splice"},
+	{110, "ETIMEDOUT", "connection timed out"},
+	{111, "ECONNREFUSED", "connection refused"},
+	{112, "EHOSTDOWN", "host is down"},
+	{113, "EHOSTUNREACH", "no route to host"},
+	{114, "EALREADY", "operation already in progress"},
+	{115, "EINPROGRESS", "operation now in progress"},
+	{116, "ESTALE", "stale file handle"},
+	{117, "EUCLEAN", "structure needs cleaning"},
+	{118, "ENOTNAM", "not a XENIX named type file"},
+	{119, "ENAVAIL", "no XENIX semaphores available"},
+	{120, "EISNAM", "is a named type file"},
+	{121, "EREMOTEIO", "remote I/O error"},
+	{122, "EDQUOT", "disk quota exceeded"},
+	{123, "ENOMEDIUM", "no medium found"},
+	{124, "EMEDIUMTYPE", "wrong medium type"},
+	{125, "ECANCELED", "operation canceled"},
+	{126, "ENOKEY", "required key not available"},
+	{127, "EKEYEXPIRED", "key has expired"},
+	{128, "EKEYREVOKED", "key has been revoked"},
+	{129, "EKEYREJECTED", "key was rejected by service"},
+	{130, "EOWNERDEAD", "owner died"},
+	{131, "ENOTRECOVERABLE", "state not recoverable"},
+	{132, "ERFKILL", "operation not possible due to RF-kill"},
+	{133, "EHWPOISON", "memory page has hardware error"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/breakpoint trap",
-	6:  "aborted",
-	7:  "bus error",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "user defined signal 1",
-	11: "segmentation fault",
-	12: "user defined signal 2",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "stack fault",
-	17: "child exited",
-	18: "continued",
-	19: "stopped (signal)",
-	20: "stopped",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "urgent I/O condition",
-	24: "CPU time limit exceeded",
-	25: "file size limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window changed",
-	29: "I/O possible",
-	30: "power failure",
-	31: "bad system call",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/breakpoint trap"},
+	{6, "SIGABRT", "aborted"},
+	{7, "SIGBUS", "bus error"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGUSR1", "user defined signal 1"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGUSR2", "user defined signal 2"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGSTKFLT", "stack fault"},
+	{17, "SIGCHLD", "child exited"},
+	{18, "SIGCONT", "continued"},
+	{19, "SIGSTOP", "stopped (signal)"},
+	{20, "SIGTSTP", "stopped"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGURG", "urgent I/O condition"},
+	{24, "SIGXCPU", "CPU time limit exceeded"},
+	{25, "SIGXFSZ", "file size limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window changed"},
+	{29, "SIGIO", "I/O possible"},
+	{30, "SIGPWR", "power failure"},
+	{31, "SIGSYS", "bad system call"},
 }
diff --git a/unix/zerrors_linux_arm64.go b/unix/zerrors_linux_arm64.go
index 5ce50c5..018fe57 100644
--- a/unix/zerrors_linux_arm64.go
+++ b/unix/zerrors_linux_arm64.go
@@ -2259,171 +2259,179 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:   "operation not permitted",
-	2:   "no such file or directory",
-	3:   "no such process",
-	4:   "interrupted system call",
-	5:   "input/output error",
-	6:   "no such device or address",
-	7:   "argument list too long",
-	8:   "exec format error",
-	9:   "bad file descriptor",
-	10:  "no child processes",
-	11:  "resource temporarily unavailable",
-	12:  "cannot allocate memory",
-	13:  "permission denied",
-	14:  "bad address",
-	15:  "block device required",
-	16:  "device or resource busy",
-	17:  "file exists",
-	18:  "invalid cross-device link",
-	19:  "no such device",
-	20:  "not a directory",
-	21:  "is a directory",
-	22:  "invalid argument",
-	23:  "too many open files in system",
-	24:  "too many open files",
-	25:  "inappropriate ioctl for device",
-	26:  "text file busy",
-	27:  "file too large",
-	28:  "no space left on device",
-	29:  "illegal seek",
-	30:  "read-only file system",
-	31:  "too many links",
-	32:  "broken pipe",
-	33:  "numerical argument out of domain",
-	34:  "numerical result out of range",
-	35:  "resource deadlock avoided",
-	36:  "file name too long",
-	37:  "no locks available",
-	38:  "function not implemented",
-	39:  "directory not empty",
-	40:  "too many levels of symbolic links",
-	42:  "no message of desired type",
-	43:  "identifier removed",
-	44:  "channel number out of range",
-	45:  "level 2 not synchronized",
-	46:  "level 3 halted",
-	47:  "level 3 reset",
-	48:  "link number out of range",
-	49:  "protocol driver not attached",
-	50:  "no CSI structure available",
-	51:  "level 2 halted",
-	52:  "invalid exchange",
-	53:  "invalid request descriptor",
-	54:  "exchange full",
-	55:  "no anode",
-	56:  "invalid request code",
-	57:  "invalid slot",
-	59:  "bad font file format",
-	60:  "device not a stream",
-	61:  "no data available",
-	62:  "timer expired",
-	63:  "out of streams resources",
-	64:  "machine is not on the network",
-	65:  "package not installed",
-	66:  "object is remote",
-	67:  "link has been severed",
-	68:  "advertise error",
-	69:  "srmount error",
-	70:  "communication error on send",
-	71:  "protocol error",
-	72:  "multihop attempted",
-	73:  "RFS specific error",
-	74:  "bad message",
-	75:  "value too large for defined data type",
-	76:  "name not unique on network",
-	77:  "file descriptor in bad state",
-	78:  "remote address changed",
-	79:  "can not access a needed shared library",
-	80:  "accessing a corrupted shared library",
-	81:  ".lib section in a.out corrupted",
-	82:  "attempting to link in too many shared libraries",
-	83:  "cannot exec a shared library directly",
-	84:  "invalid or incomplete multibyte or wide character",
-	85:  "interrupted system call should be restarted",
-	86:  "streams pipe error",
-	87:  "too many users",
-	88:  "socket operation on non-socket",
-	89:  "destination address required",
-	90:  "message too long",
-	91:  "protocol wrong type for socket",
-	92:  "protocol not available",
-	93:  "protocol not supported",
-	94:  "socket type not supported",
-	95:  "operation not supported",
-	96:  "protocol family not supported",
-	97:  "address family not supported by protocol",
-	98:  "address already in use",
-	99:  "cannot assign requested address",
-	100: "network is down",
-	101: "network is unreachable",
-	102: "network dropped connection on reset",
-	103: "software caused connection abort",
-	104: "connection reset by peer",
-	105: "no buffer space available",
-	106: "transport endpoint is already connected",
-	107: "transport endpoint is not connected",
-	108: "cannot send after transport endpoint shutdown",
-	109: "too many references: cannot splice",
-	110: "connection timed out",
-	111: "connection refused",
-	112: "host is down",
-	113: "no route to host",
-	114: "operation already in progress",
-	115: "operation now in progress",
-	116: "stale file handle",
-	117: "structure needs cleaning",
-	118: "not a XENIX named type file",
-	119: "no XENIX semaphores available",
-	120: "is a named type file",
-	121: "remote I/O error",
-	122: "disk quota exceeded",
-	123: "no medium found",
-	124: "wrong medium type",
-	125: "operation canceled",
-	126: "required key not available",
-	127: "key has expired",
-	128: "key has been revoked",
-	129: "key was rejected by service",
-	130: "owner died",
-	131: "state not recoverable",
-	132: "operation not possible due to RF-kill",
-	133: "memory page has hardware error",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "no such device or address"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EAGAIN", "resource temporarily unavailable"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device or resource busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "invalid cross-device link"},
+	{19, "ENODEV", "no such device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "numerical result out of range"},
+	{35, "EDEADLK", "resource deadlock avoided"},
+	{36, "ENAMETOOLONG", "file name too long"},
+	{37, "ENOLCK", "no locks available"},
+	{38, "ENOSYS", "function not implemented"},
+	{39, "ENOTEMPTY", "directory not empty"},
+	{40, "ELOOP", "too many levels of symbolic links"},
+	{42, "ENOMSG", "no message of desired type"},
+	{43, "EIDRM", "identifier removed"},
+	{44, "ECHRNG", "channel number out of range"},
+	{45, "EL2NSYNC", "level 2 not synchronized"},
+	{46, "EL3HLT", "level 3 halted"},
+	{47, "EL3RST", "level 3 reset"},
+	{48, "ELNRNG", "link number out of range"},
+	{49, "EUNATCH", "protocol driver not attached"},
+	{50, "ENOCSI", "no CSI structure available"},
+	{51, "EL2HLT", "level 2 halted"},
+	{52, "EBADE", "invalid exchange"},
+	{53, "EBADR", "invalid request descriptor"},
+	{54, "EXFULL", "exchange full"},
+	{55, "ENOANO", "no anode"},
+	{56, "EBADRQC", "invalid request code"},
+	{57, "EBADSLT", "invalid slot"},
+	{59, "EBFONT", "bad font file format"},
+	{60, "ENOSTR", "device not a stream"},
+	{61, "ENODATA", "no data available"},
+	{62, "ETIME", "timer expired"},
+	{63, "ENOSR", "out of streams resources"},
+	{64, "ENONET", "machine is not on the network"},
+	{65, "ENOPKG", "package not installed"},
+	{66, "EREMOTE", "object is remote"},
+	{67, "ENOLINK", "link has been severed"},
+	{68, "EADV", "advertise error"},
+	{69, "ESRMNT", "srmount error"},
+	{70, "ECOMM", "communication error on send"},
+	{71, "EPROTO", "protocol error"},
+	{72, "EMULTIHOP", "multihop attempted"},
+	{73, "EDOTDOT", "RFS specific error"},
+	{74, "EBADMSG", "bad message"},
+	{75, "EOVERFLOW", "value too large for defined data type"},
+	{76, "ENOTUNIQ", "name not unique on network"},
+	{77, "EBADFD", "file descriptor in bad state"},
+	{78, "EREMCHG", "remote address changed"},
+	{79, "ELIBACC", "can not access a needed shared library"},
+	{80, "ELIBBAD", "accessing a corrupted shared library"},
+	{81, "ELIBSCN", ".lib section in a.out corrupted"},
+	{82, "ELIBMAX", "attempting to link in too many shared libraries"},
+	{83, "ELIBEXEC", "cannot exec a shared library directly"},
+	{84, "EILSEQ", "invalid or incomplete multibyte or wide character"},
+	{85, "ERESTART", "interrupted system call should be restarted"},
+	{86, "ESTRPIPE", "streams pipe error"},
+	{87, "EUSERS", "too many users"},
+	{88, "ENOTSOCK", "socket operation on non-socket"},
+	{89, "EDESTADDRREQ", "destination address required"},
+	{90, "EMSGSIZE", "message too long"},
+	{91, "EPROTOTYPE", "protocol wrong type for socket"},
+	{92, "ENOPROTOOPT", "protocol not available"},
+	{93, "EPROTONOSUPPORT", "protocol not supported"},
+	{94, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{95, "ENOTSUP", "operation not supported"},
+	{96, "EPFNOSUPPORT", "protocol family not supported"},
+	{97, "EAFNOSUPPORT", "address family not supported by protocol"},
+	{98, "EADDRINUSE", "address already in use"},
+	{99, "EADDRNOTAVAIL", "cannot assign requested address"},
+	{100, "ENETDOWN", "network is down"},
+	{101, "ENETUNREACH", "network is unreachable"},
+	{102, "ENETRESET", "network dropped connection on reset"},
+	{103, "ECONNABORTED", "software caused connection abort"},
+	{104, "ECONNRESET", "connection reset by peer"},
+	{105, "ENOBUFS", "no buffer space available"},
+	{106, "EISCONN", "transport endpoint is already connected"},
+	{107, "ENOTCONN", "transport endpoint is not connected"},
+	{108, "ESHUTDOWN", "cannot send after transport endpoint shutdown"},
+	{109, "ETOOMANYREFS", "too many references: cannot splice"},
+	{110, "ETIMEDOUT", "connection timed out"},
+	{111, "ECONNREFUSED", "connection refused"},
+	{112, "EHOSTDOWN", "host is down"},
+	{113, "EHOSTUNREACH", "no route to host"},
+	{114, "EALREADY", "operation already in progress"},
+	{115, "EINPROGRESS", "operation now in progress"},
+	{116, "ESTALE", "stale file handle"},
+	{117, "EUCLEAN", "structure needs cleaning"},
+	{118, "ENOTNAM", "not a XENIX named type file"},
+	{119, "ENAVAIL", "no XENIX semaphores available"},
+	{120, "EISNAM", "is a named type file"},
+	{121, "EREMOTEIO", "remote I/O error"},
+	{122, "EDQUOT", "disk quota exceeded"},
+	{123, "ENOMEDIUM", "no medium found"},
+	{124, "EMEDIUMTYPE", "wrong medium type"},
+	{125, "ECANCELED", "operation canceled"},
+	{126, "ENOKEY", "required key not available"},
+	{127, "EKEYEXPIRED", "key has expired"},
+	{128, "EKEYREVOKED", "key has been revoked"},
+	{129, "EKEYREJECTED", "key was rejected by service"},
+	{130, "EOWNERDEAD", "owner died"},
+	{131, "ENOTRECOVERABLE", "state not recoverable"},
+	{132, "ERFKILL", "operation not possible due to RF-kill"},
+	{133, "EHWPOISON", "memory page has hardware error"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/breakpoint trap",
-	6:  "aborted",
-	7:  "bus error",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "user defined signal 1",
-	11: "segmentation fault",
-	12: "user defined signal 2",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "stack fault",
-	17: "child exited",
-	18: "continued",
-	19: "stopped (signal)",
-	20: "stopped",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "urgent I/O condition",
-	24: "CPU time limit exceeded",
-	25: "file size limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window changed",
-	29: "I/O possible",
-	30: "power failure",
-	31: "bad system call",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/breakpoint trap"},
+	{6, "SIGABRT", "aborted"},
+	{7, "SIGBUS", "bus error"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGUSR1", "user defined signal 1"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGUSR2", "user defined signal 2"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGSTKFLT", "stack fault"},
+	{17, "SIGCHLD", "child exited"},
+	{18, "SIGCONT", "continued"},
+	{19, "SIGSTOP", "stopped (signal)"},
+	{20, "SIGTSTP", "stopped"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGURG", "urgent I/O condition"},
+	{24, "SIGXCPU", "CPU time limit exceeded"},
+	{25, "SIGXFSZ", "file size limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window changed"},
+	{29, "SIGIO", "I/O possible"},
+	{30, "SIGPWR", "power failure"},
+	{31, "SIGSYS", "bad system call"},
 }
diff --git a/unix/zerrors_linux_mips.go b/unix/zerrors_linux_mips.go
index 6cfe618..f523b6c 100644
--- a/unix/zerrors_linux_mips.go
+++ b/unix/zerrors_linux_mips.go
@@ -2275,174 +2275,182 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:    "operation not permitted",
-	2:    "no such file or directory",
-	3:    "no such process",
-	4:    "interrupted system call",
-	5:    "input/output error",
-	6:    "no such device or address",
-	7:    "argument list too long",
-	8:    "exec format error",
-	9:    "bad file descriptor",
-	10:   "no child processes",
-	11:   "resource temporarily unavailable",
-	12:   "cannot allocate memory",
-	13:   "permission denied",
-	14:   "bad address",
-	15:   "block device required",
-	16:   "device or resource busy",
-	17:   "file exists",
-	18:   "invalid cross-device link",
-	19:   "no such device",
-	20:   "not a directory",
-	21:   "is a directory",
-	22:   "invalid argument",
-	23:   "too many open files in system",
-	24:   "too many open files",
-	25:   "inappropriate ioctl for device",
-	26:   "text file busy",
-	27:   "file too large",
-	28:   "no space left on device",
-	29:   "illegal seek",
-	30:   "read-only file system",
-	31:   "too many links",
-	32:   "broken pipe",
-	33:   "numerical argument out of domain",
-	34:   "numerical result out of range",
-	35:   "no message of desired type",
-	36:   "identifier removed",
-	37:   "channel number out of range",
-	38:   "level 2 not synchronized",
-	39:   "level 3 halted",
-	40:   "level 3 reset",
-	41:   "link number out of range",
-	42:   "protocol driver not attached",
-	43:   "no CSI structure available",
-	44:   "level 2 halted",
-	45:   "resource deadlock avoided",
-	46:   "no locks available",
-	50:   "invalid exchange",
-	51:   "invalid request descriptor",
-	52:   "exchange full",
-	53:   "no anode",
-	54:   "invalid request code",
-	55:   "invalid slot",
-	56:   "file locking deadlock error",
-	59:   "bad font file format",
-	60:   "device not a stream",
-	61:   "no data available",
-	62:   "timer expired",
-	63:   "out of streams resources",
-	64:   "machine is not on the network",
-	65:   "package not installed",
-	66:   "object is remote",
-	67:   "link has been severed",
-	68:   "advertise error",
-	69:   "srmount error",
-	70:   "communication error on send",
-	71:   "protocol error",
-	73:   "RFS specific error",
-	74:   "multihop attempted",
-	77:   "bad message",
-	78:   "file name too long",
-	79:   "value too large for defined data type",
-	80:   "name not unique on network",
-	81:   "file descriptor in bad state",
-	82:   "remote address changed",
-	83:   "can not access a needed shared library",
-	84:   "accessing a corrupted shared library",
-	85:   ".lib section in a.out corrupted",
-	86:   "attempting to link in too many shared libraries",
-	87:   "cannot exec a shared library directly",
-	88:   "invalid or incomplete multibyte or wide character",
-	89:   "function not implemented",
-	90:   "too many levels of symbolic links",
-	91:   "interrupted system call should be restarted",
-	92:   "streams pipe error",
-	93:   "directory not empty",
-	94:   "too many users",
-	95:   "socket operation on non-socket",
-	96:   "destination address required",
-	97:   "message too long",
-	98:   "protocol wrong type for socket",
-	99:   "protocol not available",
-	120:  "protocol not supported",
-	121:  "socket type not supported",
-	122:  "operation not supported",
-	123:  "protocol family not supported",
-	124:  "address family not supported by protocol",
-	125:  "address already in use",
-	126:  "cannot assign requested address",
-	127:  "network is down",
-	128:  "network is unreachable",
-	129:  "network dropped connection on reset",
-	130:  "software caused connection abort",
-	131:  "connection reset by peer",
-	132:  "no buffer space available",
-	133:  "transport endpoint is already connected",
-	134:  "transport endpoint is not connected",
-	135:  "structure needs cleaning",
-	137:  "not a XENIX named type file",
-	138:  "no XENIX semaphores available",
-	139:  "is a named type file",
-	140:  "remote I/O error",
-	141:  "unknown error 141",
-	142:  "unknown error 142",
-	143:  "cannot send after transport endpoint shutdown",
-	144:  "too many references: cannot splice",
-	145:  "connection timed out",
-	146:  "connection refused",
-	147:  "host is down",
-	148:  "no route to host",
-	149:  "operation already in progress",
-	150:  "operation now in progress",
-	151:  "stale file handle",
-	158:  "operation canceled",
-	159:  "no medium found",
-	160:  "wrong medium type",
-	161:  "required key not available",
-	162:  "key has expired",
-	163:  "key has been revoked",
-	164:  "key was rejected by service",
-	165:  "owner died",
-	166:  "state not recoverable",
-	167:  "operation not possible due to RF-kill",
-	168:  "memory page has hardware error",
-	1133: "disk quota exceeded",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "no such device or address"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EAGAIN", "resource temporarily unavailable"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device or resource busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "invalid cross-device link"},
+	{19, "ENODEV", "no such device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "numerical result out of range"},
+	{35, "ENOMSG", "no message of desired type"},
+	{36, "EIDRM", "identifier removed"},
+	{37, "ECHRNG", "channel number out of range"},
+	{38, "EL2NSYNC", "level 2 not synchronized"},
+	{39, "EL3HLT", "level 3 halted"},
+	{40, "EL3RST", "level 3 reset"},
+	{41, "ELNRNG", "link number out of range"},
+	{42, "EUNATCH", "protocol driver not attached"},
+	{43, "ENOCSI", "no CSI structure available"},
+	{44, "EL2HLT", "level 2 halted"},
+	{45, "EDEADLK", "resource deadlock avoided"},
+	{46, "ENOLCK", "no locks available"},
+	{50, "EBADE", "invalid exchange"},
+	{51, "EBADR", "invalid request descriptor"},
+	{52, "EXFULL", "exchange full"},
+	{53, "ENOANO", "no anode"},
+	{54, "EBADRQC", "invalid request code"},
+	{55, "EBADSLT", "invalid slot"},
+	{56, "EDEADLOCK", "file locking deadlock error"},
+	{59, "EBFONT", "bad font file format"},
+	{60, "ENOSTR", "device not a stream"},
+	{61, "ENODATA", "no data available"},
+	{62, "ETIME", "timer expired"},
+	{63, "ENOSR", "out of streams resources"},
+	{64, "ENONET", "machine is not on the network"},
+	{65, "ENOPKG", "package not installed"},
+	{66, "EREMOTE", "object is remote"},
+	{67, "ENOLINK", "link has been severed"},
+	{68, "EADV", "advertise error"},
+	{69, "ESRMNT", "srmount error"},
+	{70, "ECOMM", "communication error on send"},
+	{71, "EPROTO", "protocol error"},
+	{73, "EDOTDOT", "RFS specific error"},
+	{74, "EMULTIHOP", "multihop attempted"},
+	{77, "EBADMSG", "bad message"},
+	{78, "ENAMETOOLONG", "file name too long"},
+	{79, "EOVERFLOW", "value too large for defined data type"},
+	{80, "ENOTUNIQ", "name not unique on network"},
+	{81, "EBADFD", "file descriptor in bad state"},
+	{82, "EREMCHG", "remote address changed"},
+	{83, "ELIBACC", "can not access a needed shared library"},
+	{84, "ELIBBAD", "accessing a corrupted shared library"},
+	{85, "ELIBSCN", ".lib section in a.out corrupted"},
+	{86, "ELIBMAX", "attempting to link in too many shared libraries"},
+	{87, "ELIBEXEC", "cannot exec a shared library directly"},
+	{88, "EILSEQ", "invalid or incomplete multibyte or wide character"},
+	{89, "ENOSYS", "function not implemented"},
+	{90, "ELOOP", "too many levels of symbolic links"},
+	{91, "ERESTART", "interrupted system call should be restarted"},
+	{92, "ESTRPIPE", "streams pipe error"},
+	{93, "ENOTEMPTY", "directory not empty"},
+	{94, "EUSERS", "too many users"},
+	{95, "ENOTSOCK", "socket operation on non-socket"},
+	{96, "EDESTADDRREQ", "destination address required"},
+	{97, "EMSGSIZE", "message too long"},
+	{98, "EPROTOTYPE", "protocol wrong type for socket"},
+	{99, "ENOPROTOOPT", "protocol not available"},
+	{120, "EPROTONOSUPPORT", "protocol not supported"},
+	{121, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{122, "ENOTSUP", "operation not supported"},
+	{123, "EPFNOSUPPORT", "protocol family not supported"},
+	{124, "EAFNOSUPPORT", "address family not supported by protocol"},
+	{125, "EADDRINUSE", "address already in use"},
+	{126, "EADDRNOTAVAIL", "cannot assign requested address"},
+	{127, "ENETDOWN", "network is down"},
+	{128, "ENETUNREACH", "network is unreachable"},
+	{129, "ENETRESET", "network dropped connection on reset"},
+	{130, "ECONNABORTED", "software caused connection abort"},
+	{131, "ECONNRESET", "connection reset by peer"},
+	{132, "ENOBUFS", "no buffer space available"},
+	{133, "EISCONN", "transport endpoint is already connected"},
+	{134, "ENOTCONN", "transport endpoint is not connected"},
+	{135, "EUCLEAN", "structure needs cleaning"},
+	{137, "ENOTNAM", "not a XENIX named type file"},
+	{138, "ENAVAIL", "no XENIX semaphores available"},
+	{139, "EISNAM", "is a named type file"},
+	{140, "EREMOTEIO", "remote I/O error"},
+	{141, "EINIT", "unknown error 141"},
+	{142, "EREMDEV", "unknown error 142"},
+	{143, "ESHUTDOWN", "cannot send after transport endpoint shutdown"},
+	{144, "ETOOMANYREFS", "too many references: cannot splice"},
+	{145, "ETIMEDOUT", "connection timed out"},
+	{146, "ECONNREFUSED", "connection refused"},
+	{147, "EHOSTDOWN", "host is down"},
+	{148, "EHOSTUNREACH", "no route to host"},
+	{149, "EALREADY", "operation already in progress"},
+	{150, "EINPROGRESS", "operation now in progress"},
+	{151, "ESTALE", "stale file handle"},
+	{158, "ECANCELED", "operation canceled"},
+	{159, "ENOMEDIUM", "no medium found"},
+	{160, "EMEDIUMTYPE", "wrong medium type"},
+	{161, "ENOKEY", "required key not available"},
+	{162, "EKEYEXPIRED", "key has expired"},
+	{163, "EKEYREVOKED", "key has been revoked"},
+	{164, "EKEYREJECTED", "key was rejected by service"},
+	{165, "EOWNERDEAD", "owner died"},
+	{166, "ENOTRECOVERABLE", "state not recoverable"},
+	{167, "ERFKILL", "operation not possible due to RF-kill"},
+	{168, "EHWPOISON", "memory page has hardware error"},
+	{1133, "EDQUOT", "disk quota exceeded"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/breakpoint trap",
-	6:  "aborted",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "user defined signal 1",
-	17: "user defined signal 2",
-	18: "child exited",
-	19: "power failure",
-	20: "window changed",
-	21: "urgent I/O condition",
-	22: "I/O possible",
-	23: "stopped (signal)",
-	24: "stopped",
-	25: "continued",
-	26: "stopped (tty input)",
-	27: "stopped (tty output)",
-	28: "virtual timer expired",
-	29: "profiling timer expired",
-	30: "CPU time limit exceeded",
-	31: "file size limit exceeded",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/breakpoint trap"},
+	{6, "SIGABRT", "aborted"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGUSR1", "user defined signal 1"},
+	{17, "SIGUSR2", "user defined signal 2"},
+	{18, "SIGCHLD", "child exited"},
+	{19, "SIGPWR", "power failure"},
+	{20, "SIGWINCH", "window changed"},
+	{21, "SIGURG", "urgent I/O condition"},
+	{22, "SIGIO", "I/O possible"},
+	{23, "SIGSTOP", "stopped (signal)"},
+	{24, "SIGTSTP", "stopped"},
+	{25, "SIGCONT", "continued"},
+	{26, "SIGTTIN", "stopped (tty input)"},
+	{27, "SIGTTOU", "stopped (tty output)"},
+	{28, "SIGVTALRM", "virtual timer expired"},
+	{29, "SIGPROF", "profiling timer expired"},
+	{30, "SIGXCPU", "CPU time limit exceeded"},
+	{31, "SIGXFSZ", "file size limit exceeded"},
 }
diff --git a/unix/zerrors_linux_mips64.go b/unix/zerrors_linux_mips64.go
index bad6332..7e2e296 100644
--- a/unix/zerrors_linux_mips64.go
+++ b/unix/zerrors_linux_mips64.go
@@ -2275,174 +2275,182 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:    "operation not permitted",
-	2:    "no such file or directory",
-	3:    "no such process",
-	4:    "interrupted system call",
-	5:    "input/output error",
-	6:    "no such device or address",
-	7:    "argument list too long",
-	8:    "exec format error",
-	9:    "bad file descriptor",
-	10:   "no child processes",
-	11:   "resource temporarily unavailable",
-	12:   "cannot allocate memory",
-	13:   "permission denied",
-	14:   "bad address",
-	15:   "block device required",
-	16:   "device or resource busy",
-	17:   "file exists",
-	18:   "invalid cross-device link",
-	19:   "no such device",
-	20:   "not a directory",
-	21:   "is a directory",
-	22:   "invalid argument",
-	23:   "too many open files in system",
-	24:   "too many open files",
-	25:   "inappropriate ioctl for device",
-	26:   "text file busy",
-	27:   "file too large",
-	28:   "no space left on device",
-	29:   "illegal seek",
-	30:   "read-only file system",
-	31:   "too many links",
-	32:   "broken pipe",
-	33:   "numerical argument out of domain",
-	34:   "numerical result out of range",
-	35:   "no message of desired type",
-	36:   "identifier removed",
-	37:   "channel number out of range",
-	38:   "level 2 not synchronized",
-	39:   "level 3 halted",
-	40:   "level 3 reset",
-	41:   "link number out of range",
-	42:   "protocol driver not attached",
-	43:   "no CSI structure available",
-	44:   "level 2 halted",
-	45:   "resource deadlock avoided",
-	46:   "no locks available",
-	50:   "invalid exchange",
-	51:   "invalid request descriptor",
-	52:   "exchange full",
-	53:   "no anode",
-	54:   "invalid request code",
-	55:   "invalid slot",
-	56:   "file locking deadlock error",
-	59:   "bad font file format",
-	60:   "device not a stream",
-	61:   "no data available",
-	62:   "timer expired",
-	63:   "out of streams resources",
-	64:   "machine is not on the network",
-	65:   "package not installed",
-	66:   "object is remote",
-	67:   "link has been severed",
-	68:   "advertise error",
-	69:   "srmount error",
-	70:   "communication error on send",
-	71:   "protocol error",
-	73:   "RFS specific error",
-	74:   "multihop attempted",
-	77:   "bad message",
-	78:   "file name too long",
-	79:   "value too large for defined data type",
-	80:   "name not unique on network",
-	81:   "file descriptor in bad state",
-	82:   "remote address changed",
-	83:   "can not access a needed shared library",
-	84:   "accessing a corrupted shared library",
-	85:   ".lib section in a.out corrupted",
-	86:   "attempting to link in too many shared libraries",
-	87:   "cannot exec a shared library directly",
-	88:   "invalid or incomplete multibyte or wide character",
-	89:   "function not implemented",
-	90:   "too many levels of symbolic links",
-	91:   "interrupted system call should be restarted",
-	92:   "streams pipe error",
-	93:   "directory not empty",
-	94:   "too many users",
-	95:   "socket operation on non-socket",
-	96:   "destination address required",
-	97:   "message too long",
-	98:   "protocol wrong type for socket",
-	99:   "protocol not available",
-	120:  "protocol not supported",
-	121:  "socket type not supported",
-	122:  "operation not supported",
-	123:  "protocol family not supported",
-	124:  "address family not supported by protocol",
-	125:  "address already in use",
-	126:  "cannot assign requested address",
-	127:  "network is down",
-	128:  "network is unreachable",
-	129:  "network dropped connection on reset",
-	130:  "software caused connection abort",
-	131:  "connection reset by peer",
-	132:  "no buffer space available",
-	133:  "transport endpoint is already connected",
-	134:  "transport endpoint is not connected",
-	135:  "structure needs cleaning",
-	137:  "not a XENIX named type file",
-	138:  "no XENIX semaphores available",
-	139:  "is a named type file",
-	140:  "remote I/O error",
-	141:  "unknown error 141",
-	142:  "unknown error 142",
-	143:  "cannot send after transport endpoint shutdown",
-	144:  "too many references: cannot splice",
-	145:  "connection timed out",
-	146:  "connection refused",
-	147:  "host is down",
-	148:  "no route to host",
-	149:  "operation already in progress",
-	150:  "operation now in progress",
-	151:  "stale file handle",
-	158:  "operation canceled",
-	159:  "no medium found",
-	160:  "wrong medium type",
-	161:  "required key not available",
-	162:  "key has expired",
-	163:  "key has been revoked",
-	164:  "key was rejected by service",
-	165:  "owner died",
-	166:  "state not recoverable",
-	167:  "operation not possible due to RF-kill",
-	168:  "memory page has hardware error",
-	1133: "disk quota exceeded",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "no such device or address"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EAGAIN", "resource temporarily unavailable"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device or resource busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "invalid cross-device link"},
+	{19, "ENODEV", "no such device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "numerical result out of range"},
+	{35, "ENOMSG", "no message of desired type"},
+	{36, "EIDRM", "identifier removed"},
+	{37, "ECHRNG", "channel number out of range"},
+	{38, "EL2NSYNC", "level 2 not synchronized"},
+	{39, "EL3HLT", "level 3 halted"},
+	{40, "EL3RST", "level 3 reset"},
+	{41, "ELNRNG", "link number out of range"},
+	{42, "EUNATCH", "protocol driver not attached"},
+	{43, "ENOCSI", "no CSI structure available"},
+	{44, "EL2HLT", "level 2 halted"},
+	{45, "EDEADLK", "resource deadlock avoided"},
+	{46, "ENOLCK", "no locks available"},
+	{50, "EBADE", "invalid exchange"},
+	{51, "EBADR", "invalid request descriptor"},
+	{52, "EXFULL", "exchange full"},
+	{53, "ENOANO", "no anode"},
+	{54, "EBADRQC", "invalid request code"},
+	{55, "EBADSLT", "invalid slot"},
+	{56, "EDEADLOCK", "file locking deadlock error"},
+	{59, "EBFONT", "bad font file format"},
+	{60, "ENOSTR", "device not a stream"},
+	{61, "ENODATA", "no data available"},
+	{62, "ETIME", "timer expired"},
+	{63, "ENOSR", "out of streams resources"},
+	{64, "ENONET", "machine is not on the network"},
+	{65, "ENOPKG", "package not installed"},
+	{66, "EREMOTE", "object is remote"},
+	{67, "ENOLINK", "link has been severed"},
+	{68, "EADV", "advertise error"},
+	{69, "ESRMNT", "srmount error"},
+	{70, "ECOMM", "communication error on send"},
+	{71, "EPROTO", "protocol error"},
+	{73, "EDOTDOT", "RFS specific error"},
+	{74, "EMULTIHOP", "multihop attempted"},
+	{77, "EBADMSG", "bad message"},
+	{78, "ENAMETOOLONG", "file name too long"},
+	{79, "EOVERFLOW", "value too large for defined data type"},
+	{80, "ENOTUNIQ", "name not unique on network"},
+	{81, "EBADFD", "file descriptor in bad state"},
+	{82, "EREMCHG", "remote address changed"},
+	{83, "ELIBACC", "can not access a needed shared library"},
+	{84, "ELIBBAD", "accessing a corrupted shared library"},
+	{85, "ELIBSCN", ".lib section in a.out corrupted"},
+	{86, "ELIBMAX", "attempting to link in too many shared libraries"},
+	{87, "ELIBEXEC", "cannot exec a shared library directly"},
+	{88, "EILSEQ", "invalid or incomplete multibyte or wide character"},
+	{89, "ENOSYS", "function not implemented"},
+	{90, "ELOOP", "too many levels of symbolic links"},
+	{91, "ERESTART", "interrupted system call should be restarted"},
+	{92, "ESTRPIPE", "streams pipe error"},
+	{93, "ENOTEMPTY", "directory not empty"},
+	{94, "EUSERS", "too many users"},
+	{95, "ENOTSOCK", "socket operation on non-socket"},
+	{96, "EDESTADDRREQ", "destination address required"},
+	{97, "EMSGSIZE", "message too long"},
+	{98, "EPROTOTYPE", "protocol wrong type for socket"},
+	{99, "ENOPROTOOPT", "protocol not available"},
+	{120, "EPROTONOSUPPORT", "protocol not supported"},
+	{121, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{122, "ENOTSUP", "operation not supported"},
+	{123, "EPFNOSUPPORT", "protocol family not supported"},
+	{124, "EAFNOSUPPORT", "address family not supported by protocol"},
+	{125, "EADDRINUSE", "address already in use"},
+	{126, "EADDRNOTAVAIL", "cannot assign requested address"},
+	{127, "ENETDOWN", "network is down"},
+	{128, "ENETUNREACH", "network is unreachable"},
+	{129, "ENETRESET", "network dropped connection on reset"},
+	{130, "ECONNABORTED", "software caused connection abort"},
+	{131, "ECONNRESET", "connection reset by peer"},
+	{132, "ENOBUFS", "no buffer space available"},
+	{133, "EISCONN", "transport endpoint is already connected"},
+	{134, "ENOTCONN", "transport endpoint is not connected"},
+	{135, "EUCLEAN", "structure needs cleaning"},
+	{137, "ENOTNAM", "not a XENIX named type file"},
+	{138, "ENAVAIL", "no XENIX semaphores available"},
+	{139, "EISNAM", "is a named type file"},
+	{140, "EREMOTEIO", "remote I/O error"},
+	{141, "EINIT", "unknown error 141"},
+	{142, "EREMDEV", "unknown error 142"},
+	{143, "ESHUTDOWN", "cannot send after transport endpoint shutdown"},
+	{144, "ETOOMANYREFS", "too many references: cannot splice"},
+	{145, "ETIMEDOUT", "connection timed out"},
+	{146, "ECONNREFUSED", "connection refused"},
+	{147, "EHOSTDOWN", "host is down"},
+	{148, "EHOSTUNREACH", "no route to host"},
+	{149, "EALREADY", "operation already in progress"},
+	{150, "EINPROGRESS", "operation now in progress"},
+	{151, "ESTALE", "stale file handle"},
+	{158, "ECANCELED", "operation canceled"},
+	{159, "ENOMEDIUM", "no medium found"},
+	{160, "EMEDIUMTYPE", "wrong medium type"},
+	{161, "ENOKEY", "required key not available"},
+	{162, "EKEYEXPIRED", "key has expired"},
+	{163, "EKEYREVOKED", "key has been revoked"},
+	{164, "EKEYREJECTED", "key was rejected by service"},
+	{165, "EOWNERDEAD", "owner died"},
+	{166, "ENOTRECOVERABLE", "state not recoverable"},
+	{167, "ERFKILL", "operation not possible due to RF-kill"},
+	{168, "EHWPOISON", "memory page has hardware error"},
+	{1133, "EDQUOT", "disk quota exceeded"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/breakpoint trap",
-	6:  "aborted",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "user defined signal 1",
-	17: "user defined signal 2",
-	18: "child exited",
-	19: "power failure",
-	20: "window changed",
-	21: "urgent I/O condition",
-	22: "I/O possible",
-	23: "stopped (signal)",
-	24: "stopped",
-	25: "continued",
-	26: "stopped (tty input)",
-	27: "stopped (tty output)",
-	28: "virtual timer expired",
-	29: "profiling timer expired",
-	30: "CPU time limit exceeded",
-	31: "file size limit exceeded",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/breakpoint trap"},
+	{6, "SIGABRT", "aborted"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGUSR1", "user defined signal 1"},
+	{17, "SIGUSR2", "user defined signal 2"},
+	{18, "SIGCHLD", "child exited"},
+	{19, "SIGPWR", "power failure"},
+	{20, "SIGWINCH", "window changed"},
+	{21, "SIGURG", "urgent I/O condition"},
+	{22, "SIGIO", "I/O possible"},
+	{23, "SIGSTOP", "stopped (signal)"},
+	{24, "SIGTSTP", "stopped"},
+	{25, "SIGCONT", "continued"},
+	{26, "SIGTTIN", "stopped (tty input)"},
+	{27, "SIGTTOU", "stopped (tty output)"},
+	{28, "SIGVTALRM", "virtual timer expired"},
+	{29, "SIGPROF", "profiling timer expired"},
+	{30, "SIGXCPU", "CPU time limit exceeded"},
+	{31, "SIGXFSZ", "file size limit exceeded"},
 }
diff --git a/unix/zerrors_linux_mips64le.go b/unix/zerrors_linux_mips64le.go
index af30fde..08f9638 100644
--- a/unix/zerrors_linux_mips64le.go
+++ b/unix/zerrors_linux_mips64le.go
@@ -2275,174 +2275,182 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:    "operation not permitted",
-	2:    "no such file or directory",
-	3:    "no such process",
-	4:    "interrupted system call",
-	5:    "input/output error",
-	6:    "no such device or address",
-	7:    "argument list too long",
-	8:    "exec format error",
-	9:    "bad file descriptor",
-	10:   "no child processes",
-	11:   "resource temporarily unavailable",
-	12:   "cannot allocate memory",
-	13:   "permission denied",
-	14:   "bad address",
-	15:   "block device required",
-	16:   "device or resource busy",
-	17:   "file exists",
-	18:   "invalid cross-device link",
-	19:   "no such device",
-	20:   "not a directory",
-	21:   "is a directory",
-	22:   "invalid argument",
-	23:   "too many open files in system",
-	24:   "too many open files",
-	25:   "inappropriate ioctl for device",
-	26:   "text file busy",
-	27:   "file too large",
-	28:   "no space left on device",
-	29:   "illegal seek",
-	30:   "read-only file system",
-	31:   "too many links",
-	32:   "broken pipe",
-	33:   "numerical argument out of domain",
-	34:   "numerical result out of range",
-	35:   "no message of desired type",
-	36:   "identifier removed",
-	37:   "channel number out of range",
-	38:   "level 2 not synchronized",
-	39:   "level 3 halted",
-	40:   "level 3 reset",
-	41:   "link number out of range",
-	42:   "protocol driver not attached",
-	43:   "no CSI structure available",
-	44:   "level 2 halted",
-	45:   "resource deadlock avoided",
-	46:   "no locks available",
-	50:   "invalid exchange",
-	51:   "invalid request descriptor",
-	52:   "exchange full",
-	53:   "no anode",
-	54:   "invalid request code",
-	55:   "invalid slot",
-	56:   "file locking deadlock error",
-	59:   "bad font file format",
-	60:   "device not a stream",
-	61:   "no data available",
-	62:   "timer expired",
-	63:   "out of streams resources",
-	64:   "machine is not on the network",
-	65:   "package not installed",
-	66:   "object is remote",
-	67:   "link has been severed",
-	68:   "advertise error",
-	69:   "srmount error",
-	70:   "communication error on send",
-	71:   "protocol error",
-	73:   "RFS specific error",
-	74:   "multihop attempted",
-	77:   "bad message",
-	78:   "file name too long",
-	79:   "value too large for defined data type",
-	80:   "name not unique on network",
-	81:   "file descriptor in bad state",
-	82:   "remote address changed",
-	83:   "can not access a needed shared library",
-	84:   "accessing a corrupted shared library",
-	85:   ".lib section in a.out corrupted",
-	86:   "attempting to link in too many shared libraries",
-	87:   "cannot exec a shared library directly",
-	88:   "invalid or incomplete multibyte or wide character",
-	89:   "function not implemented",
-	90:   "too many levels of symbolic links",
-	91:   "interrupted system call should be restarted",
-	92:   "streams pipe error",
-	93:   "directory not empty",
-	94:   "too many users",
-	95:   "socket operation on non-socket",
-	96:   "destination address required",
-	97:   "message too long",
-	98:   "protocol wrong type for socket",
-	99:   "protocol not available",
-	120:  "protocol not supported",
-	121:  "socket type not supported",
-	122:  "operation not supported",
-	123:  "protocol family not supported",
-	124:  "address family not supported by protocol",
-	125:  "address already in use",
-	126:  "cannot assign requested address",
-	127:  "network is down",
-	128:  "network is unreachable",
-	129:  "network dropped connection on reset",
-	130:  "software caused connection abort",
-	131:  "connection reset by peer",
-	132:  "no buffer space available",
-	133:  "transport endpoint is already connected",
-	134:  "transport endpoint is not connected",
-	135:  "structure needs cleaning",
-	137:  "not a XENIX named type file",
-	138:  "no XENIX semaphores available",
-	139:  "is a named type file",
-	140:  "remote I/O error",
-	141:  "unknown error 141",
-	142:  "unknown error 142",
-	143:  "cannot send after transport endpoint shutdown",
-	144:  "too many references: cannot splice",
-	145:  "connection timed out",
-	146:  "connection refused",
-	147:  "host is down",
-	148:  "no route to host",
-	149:  "operation already in progress",
-	150:  "operation now in progress",
-	151:  "stale file handle",
-	158:  "operation canceled",
-	159:  "no medium found",
-	160:  "wrong medium type",
-	161:  "required key not available",
-	162:  "key has expired",
-	163:  "key has been revoked",
-	164:  "key was rejected by service",
-	165:  "owner died",
-	166:  "state not recoverable",
-	167:  "operation not possible due to RF-kill",
-	168:  "memory page has hardware error",
-	1133: "disk quota exceeded",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "no such device or address"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EAGAIN", "resource temporarily unavailable"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device or resource busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "invalid cross-device link"},
+	{19, "ENODEV", "no such device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "numerical result out of range"},
+	{35, "ENOMSG", "no message of desired type"},
+	{36, "EIDRM", "identifier removed"},
+	{37, "ECHRNG", "channel number out of range"},
+	{38, "EL2NSYNC", "level 2 not synchronized"},
+	{39, "EL3HLT", "level 3 halted"},
+	{40, "EL3RST", "level 3 reset"},
+	{41, "ELNRNG", "link number out of range"},
+	{42, "EUNATCH", "protocol driver not attached"},
+	{43, "ENOCSI", "no CSI structure available"},
+	{44, "EL2HLT", "level 2 halted"},
+	{45, "EDEADLK", "resource deadlock avoided"},
+	{46, "ENOLCK", "no locks available"},
+	{50, "EBADE", "invalid exchange"},
+	{51, "EBADR", "invalid request descriptor"},
+	{52, "EXFULL", "exchange full"},
+	{53, "ENOANO", "no anode"},
+	{54, "EBADRQC", "invalid request code"},
+	{55, "EBADSLT", "invalid slot"},
+	{56, "EDEADLOCK", "file locking deadlock error"},
+	{59, "EBFONT", "bad font file format"},
+	{60, "ENOSTR", "device not a stream"},
+	{61, "ENODATA", "no data available"},
+	{62, "ETIME", "timer expired"},
+	{63, "ENOSR", "out of streams resources"},
+	{64, "ENONET", "machine is not on the network"},
+	{65, "ENOPKG", "package not installed"},
+	{66, "EREMOTE", "object is remote"},
+	{67, "ENOLINK", "link has been severed"},
+	{68, "EADV", "advertise error"},
+	{69, "ESRMNT", "srmount error"},
+	{70, "ECOMM", "communication error on send"},
+	{71, "EPROTO", "protocol error"},
+	{73, "EDOTDOT", "RFS specific error"},
+	{74, "EMULTIHOP", "multihop attempted"},
+	{77, "EBADMSG", "bad message"},
+	{78, "ENAMETOOLONG", "file name too long"},
+	{79, "EOVERFLOW", "value too large for defined data type"},
+	{80, "ENOTUNIQ", "name not unique on network"},
+	{81, "EBADFD", "file descriptor in bad state"},
+	{82, "EREMCHG", "remote address changed"},
+	{83, "ELIBACC", "can not access a needed shared library"},
+	{84, "ELIBBAD", "accessing a corrupted shared library"},
+	{85, "ELIBSCN", ".lib section in a.out corrupted"},
+	{86, "ELIBMAX", "attempting to link in too many shared libraries"},
+	{87, "ELIBEXEC", "cannot exec a shared library directly"},
+	{88, "EILSEQ", "invalid or incomplete multibyte or wide character"},
+	{89, "ENOSYS", "function not implemented"},
+	{90, "ELOOP", "too many levels of symbolic links"},
+	{91, "ERESTART", "interrupted system call should be restarted"},
+	{92, "ESTRPIPE", "streams pipe error"},
+	{93, "ENOTEMPTY", "directory not empty"},
+	{94, "EUSERS", "too many users"},
+	{95, "ENOTSOCK", "socket operation on non-socket"},
+	{96, "EDESTADDRREQ", "destination address required"},
+	{97, "EMSGSIZE", "message too long"},
+	{98, "EPROTOTYPE", "protocol wrong type for socket"},
+	{99, "ENOPROTOOPT", "protocol not available"},
+	{120, "EPROTONOSUPPORT", "protocol not supported"},
+	{121, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{122, "ENOTSUP", "operation not supported"},
+	{123, "EPFNOSUPPORT", "protocol family not supported"},
+	{124, "EAFNOSUPPORT", "address family not supported by protocol"},
+	{125, "EADDRINUSE", "address already in use"},
+	{126, "EADDRNOTAVAIL", "cannot assign requested address"},
+	{127, "ENETDOWN", "network is down"},
+	{128, "ENETUNREACH", "network is unreachable"},
+	{129, "ENETRESET", "network dropped connection on reset"},
+	{130, "ECONNABORTED", "software caused connection abort"},
+	{131, "ECONNRESET", "connection reset by peer"},
+	{132, "ENOBUFS", "no buffer space available"},
+	{133, "EISCONN", "transport endpoint is already connected"},
+	{134, "ENOTCONN", "transport endpoint is not connected"},
+	{135, "EUCLEAN", "structure needs cleaning"},
+	{137, "ENOTNAM", "not a XENIX named type file"},
+	{138, "ENAVAIL", "no XENIX semaphores available"},
+	{139, "EISNAM", "is a named type file"},
+	{140, "EREMOTEIO", "remote I/O error"},
+	{141, "EINIT", "unknown error 141"},
+	{142, "EREMDEV", "unknown error 142"},
+	{143, "ESHUTDOWN", "cannot send after transport endpoint shutdown"},
+	{144, "ETOOMANYREFS", "too many references: cannot splice"},
+	{145, "ETIMEDOUT", "connection timed out"},
+	{146, "ECONNREFUSED", "connection refused"},
+	{147, "EHOSTDOWN", "host is down"},
+	{148, "EHOSTUNREACH", "no route to host"},
+	{149, "EALREADY", "operation already in progress"},
+	{150, "EINPROGRESS", "operation now in progress"},
+	{151, "ESTALE", "stale file handle"},
+	{158, "ECANCELED", "operation canceled"},
+	{159, "ENOMEDIUM", "no medium found"},
+	{160, "EMEDIUMTYPE", "wrong medium type"},
+	{161, "ENOKEY", "required key not available"},
+	{162, "EKEYEXPIRED", "key has expired"},
+	{163, "EKEYREVOKED", "key has been revoked"},
+	{164, "EKEYREJECTED", "key was rejected by service"},
+	{165, "EOWNERDEAD", "owner died"},
+	{166, "ENOTRECOVERABLE", "state not recoverable"},
+	{167, "ERFKILL", "operation not possible due to RF-kill"},
+	{168, "EHWPOISON", "memory page has hardware error"},
+	{1133, "EDQUOT", "disk quota exceeded"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/breakpoint trap",
-	6:  "aborted",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "user defined signal 1",
-	17: "user defined signal 2",
-	18: "child exited",
-	19: "power failure",
-	20: "window changed",
-	21: "urgent I/O condition",
-	22: "I/O possible",
-	23: "stopped (signal)",
-	24: "stopped",
-	25: "continued",
-	26: "stopped (tty input)",
-	27: "stopped (tty output)",
-	28: "virtual timer expired",
-	29: "profiling timer expired",
-	30: "CPU time limit exceeded",
-	31: "file size limit exceeded",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/breakpoint trap"},
+	{6, "SIGABRT", "aborted"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGUSR1", "user defined signal 1"},
+	{17, "SIGUSR2", "user defined signal 2"},
+	{18, "SIGCHLD", "child exited"},
+	{19, "SIGPWR", "power failure"},
+	{20, "SIGWINCH", "window changed"},
+	{21, "SIGURG", "urgent I/O condition"},
+	{22, "SIGIO", "I/O possible"},
+	{23, "SIGSTOP", "stopped (signal)"},
+	{24, "SIGTSTP", "stopped"},
+	{25, "SIGCONT", "continued"},
+	{26, "SIGTTIN", "stopped (tty input)"},
+	{27, "SIGTTOU", "stopped (tty output)"},
+	{28, "SIGVTALRM", "virtual timer expired"},
+	{29, "SIGPROF", "profiling timer expired"},
+	{30, "SIGXCPU", "CPU time limit exceeded"},
+	{31, "SIGXFSZ", "file size limit exceeded"},
 }
diff --git a/unix/zerrors_linux_mipsle.go b/unix/zerrors_linux_mipsle.go
index db3baed..3a3fd1d 100644
--- a/unix/zerrors_linux_mipsle.go
+++ b/unix/zerrors_linux_mipsle.go
@@ -2275,174 +2275,182 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:    "operation not permitted",
-	2:    "no such file or directory",
-	3:    "no such process",
-	4:    "interrupted system call",
-	5:    "input/output error",
-	6:    "no such device or address",
-	7:    "argument list too long",
-	8:    "exec format error",
-	9:    "bad file descriptor",
-	10:   "no child processes",
-	11:   "resource temporarily unavailable",
-	12:   "cannot allocate memory",
-	13:   "permission denied",
-	14:   "bad address",
-	15:   "block device required",
-	16:   "device or resource busy",
-	17:   "file exists",
-	18:   "invalid cross-device link",
-	19:   "no such device",
-	20:   "not a directory",
-	21:   "is a directory",
-	22:   "invalid argument",
-	23:   "too many open files in system",
-	24:   "too many open files",
-	25:   "inappropriate ioctl for device",
-	26:   "text file busy",
-	27:   "file too large",
-	28:   "no space left on device",
-	29:   "illegal seek",
-	30:   "read-only file system",
-	31:   "too many links",
-	32:   "broken pipe",
-	33:   "numerical argument out of domain",
-	34:   "numerical result out of range",
-	35:   "no message of desired type",
-	36:   "identifier removed",
-	37:   "channel number out of range",
-	38:   "level 2 not synchronized",
-	39:   "level 3 halted",
-	40:   "level 3 reset",
-	41:   "link number out of range",
-	42:   "protocol driver not attached",
-	43:   "no CSI structure available",
-	44:   "level 2 halted",
-	45:   "resource deadlock avoided",
-	46:   "no locks available",
-	50:   "invalid exchange",
-	51:   "invalid request descriptor",
-	52:   "exchange full",
-	53:   "no anode",
-	54:   "invalid request code",
-	55:   "invalid slot",
-	56:   "file locking deadlock error",
-	59:   "bad font file format",
-	60:   "device not a stream",
-	61:   "no data available",
-	62:   "timer expired",
-	63:   "out of streams resources",
-	64:   "machine is not on the network",
-	65:   "package not installed",
-	66:   "object is remote",
-	67:   "link has been severed",
-	68:   "advertise error",
-	69:   "srmount error",
-	70:   "communication error on send",
-	71:   "protocol error",
-	73:   "RFS specific error",
-	74:   "multihop attempted",
-	77:   "bad message",
-	78:   "file name too long",
-	79:   "value too large for defined data type",
-	80:   "name not unique on network",
-	81:   "file descriptor in bad state",
-	82:   "remote address changed",
-	83:   "can not access a needed shared library",
-	84:   "accessing a corrupted shared library",
-	85:   ".lib section in a.out corrupted",
-	86:   "attempting to link in too many shared libraries",
-	87:   "cannot exec a shared library directly",
-	88:   "invalid or incomplete multibyte or wide character",
-	89:   "function not implemented",
-	90:   "too many levels of symbolic links",
-	91:   "interrupted system call should be restarted",
-	92:   "streams pipe error",
-	93:   "directory not empty",
-	94:   "too many users",
-	95:   "socket operation on non-socket",
-	96:   "destination address required",
-	97:   "message too long",
-	98:   "protocol wrong type for socket",
-	99:   "protocol not available",
-	120:  "protocol not supported",
-	121:  "socket type not supported",
-	122:  "operation not supported",
-	123:  "protocol family not supported",
-	124:  "address family not supported by protocol",
-	125:  "address already in use",
-	126:  "cannot assign requested address",
-	127:  "network is down",
-	128:  "network is unreachable",
-	129:  "network dropped connection on reset",
-	130:  "software caused connection abort",
-	131:  "connection reset by peer",
-	132:  "no buffer space available",
-	133:  "transport endpoint is already connected",
-	134:  "transport endpoint is not connected",
-	135:  "structure needs cleaning",
-	137:  "not a XENIX named type file",
-	138:  "no XENIX semaphores available",
-	139:  "is a named type file",
-	140:  "remote I/O error",
-	141:  "unknown error 141",
-	142:  "unknown error 142",
-	143:  "cannot send after transport endpoint shutdown",
-	144:  "too many references: cannot splice",
-	145:  "connection timed out",
-	146:  "connection refused",
-	147:  "host is down",
-	148:  "no route to host",
-	149:  "operation already in progress",
-	150:  "operation now in progress",
-	151:  "stale file handle",
-	158:  "operation canceled",
-	159:  "no medium found",
-	160:  "wrong medium type",
-	161:  "required key not available",
-	162:  "key has expired",
-	163:  "key has been revoked",
-	164:  "key was rejected by service",
-	165:  "owner died",
-	166:  "state not recoverable",
-	167:  "operation not possible due to RF-kill",
-	168:  "memory page has hardware error",
-	1133: "disk quota exceeded",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "no such device or address"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EAGAIN", "resource temporarily unavailable"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device or resource busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "invalid cross-device link"},
+	{19, "ENODEV", "no such device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "numerical result out of range"},
+	{35, "ENOMSG", "no message of desired type"},
+	{36, "EIDRM", "identifier removed"},
+	{37, "ECHRNG", "channel number out of range"},
+	{38, "EL2NSYNC", "level 2 not synchronized"},
+	{39, "EL3HLT", "level 3 halted"},
+	{40, "EL3RST", "level 3 reset"},
+	{41, "ELNRNG", "link number out of range"},
+	{42, "EUNATCH", "protocol driver not attached"},
+	{43, "ENOCSI", "no CSI structure available"},
+	{44, "EL2HLT", "level 2 halted"},
+	{45, "EDEADLK", "resource deadlock avoided"},
+	{46, "ENOLCK", "no locks available"},
+	{50, "EBADE", "invalid exchange"},
+	{51, "EBADR", "invalid request descriptor"},
+	{52, "EXFULL", "exchange full"},
+	{53, "ENOANO", "no anode"},
+	{54, "EBADRQC", "invalid request code"},
+	{55, "EBADSLT", "invalid slot"},
+	{56, "EDEADLOCK", "file locking deadlock error"},
+	{59, "EBFONT", "bad font file format"},
+	{60, "ENOSTR", "device not a stream"},
+	{61, "ENODATA", "no data available"},
+	{62, "ETIME", "timer expired"},
+	{63, "ENOSR", "out of streams resources"},
+	{64, "ENONET", "machine is not on the network"},
+	{65, "ENOPKG", "package not installed"},
+	{66, "EREMOTE", "object is remote"},
+	{67, "ENOLINK", "link has been severed"},
+	{68, "EADV", "advertise error"},
+	{69, "ESRMNT", "srmount error"},
+	{70, "ECOMM", "communication error on send"},
+	{71, "EPROTO", "protocol error"},
+	{73, "EDOTDOT", "RFS specific error"},
+	{74, "EMULTIHOP", "multihop attempted"},
+	{77, "EBADMSG", "bad message"},
+	{78, "ENAMETOOLONG", "file name too long"},
+	{79, "EOVERFLOW", "value too large for defined data type"},
+	{80, "ENOTUNIQ", "name not unique on network"},
+	{81, "EBADFD", "file descriptor in bad state"},
+	{82, "EREMCHG", "remote address changed"},
+	{83, "ELIBACC", "can not access a needed shared library"},
+	{84, "ELIBBAD", "accessing a corrupted shared library"},
+	{85, "ELIBSCN", ".lib section in a.out corrupted"},
+	{86, "ELIBMAX", "attempting to link in too many shared libraries"},
+	{87, "ELIBEXEC", "cannot exec a shared library directly"},
+	{88, "EILSEQ", "invalid or incomplete multibyte or wide character"},
+	{89, "ENOSYS", "function not implemented"},
+	{90, "ELOOP", "too many levels of symbolic links"},
+	{91, "ERESTART", "interrupted system call should be restarted"},
+	{92, "ESTRPIPE", "streams pipe error"},
+	{93, "ENOTEMPTY", "directory not empty"},
+	{94, "EUSERS", "too many users"},
+	{95, "ENOTSOCK", "socket operation on non-socket"},
+	{96, "EDESTADDRREQ", "destination address required"},
+	{97, "EMSGSIZE", "message too long"},
+	{98, "EPROTOTYPE", "protocol wrong type for socket"},
+	{99, "ENOPROTOOPT", "protocol not available"},
+	{120, "EPROTONOSUPPORT", "protocol not supported"},
+	{121, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{122, "ENOTSUP", "operation not supported"},
+	{123, "EPFNOSUPPORT", "protocol family not supported"},
+	{124, "EAFNOSUPPORT", "address family not supported by protocol"},
+	{125, "EADDRINUSE", "address already in use"},
+	{126, "EADDRNOTAVAIL", "cannot assign requested address"},
+	{127, "ENETDOWN", "network is down"},
+	{128, "ENETUNREACH", "network is unreachable"},
+	{129, "ENETRESET", "network dropped connection on reset"},
+	{130, "ECONNABORTED", "software caused connection abort"},
+	{131, "ECONNRESET", "connection reset by peer"},
+	{132, "ENOBUFS", "no buffer space available"},
+	{133, "EISCONN", "transport endpoint is already connected"},
+	{134, "ENOTCONN", "transport endpoint is not connected"},
+	{135, "EUCLEAN", "structure needs cleaning"},
+	{137, "ENOTNAM", "not a XENIX named type file"},
+	{138, "ENAVAIL", "no XENIX semaphores available"},
+	{139, "EISNAM", "is a named type file"},
+	{140, "EREMOTEIO", "remote I/O error"},
+	{141, "EINIT", "unknown error 141"},
+	{142, "EREMDEV", "unknown error 142"},
+	{143, "ESHUTDOWN", "cannot send after transport endpoint shutdown"},
+	{144, "ETOOMANYREFS", "too many references: cannot splice"},
+	{145, "ETIMEDOUT", "connection timed out"},
+	{146, "ECONNREFUSED", "connection refused"},
+	{147, "EHOSTDOWN", "host is down"},
+	{148, "EHOSTUNREACH", "no route to host"},
+	{149, "EALREADY", "operation already in progress"},
+	{150, "EINPROGRESS", "operation now in progress"},
+	{151, "ESTALE", "stale file handle"},
+	{158, "ECANCELED", "operation canceled"},
+	{159, "ENOMEDIUM", "no medium found"},
+	{160, "EMEDIUMTYPE", "wrong medium type"},
+	{161, "ENOKEY", "required key not available"},
+	{162, "EKEYEXPIRED", "key has expired"},
+	{163, "EKEYREVOKED", "key has been revoked"},
+	{164, "EKEYREJECTED", "key was rejected by service"},
+	{165, "EOWNERDEAD", "owner died"},
+	{166, "ENOTRECOVERABLE", "state not recoverable"},
+	{167, "ERFKILL", "operation not possible due to RF-kill"},
+	{168, "EHWPOISON", "memory page has hardware error"},
+	{1133, "EDQUOT", "disk quota exceeded"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/breakpoint trap",
-	6:  "aborted",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "user defined signal 1",
-	17: "user defined signal 2",
-	18: "child exited",
-	19: "power failure",
-	20: "window changed",
-	21: "urgent I/O condition",
-	22: "I/O possible",
-	23: "stopped (signal)",
-	24: "stopped",
-	25: "continued",
-	26: "stopped (tty input)",
-	27: "stopped (tty output)",
-	28: "virtual timer expired",
-	29: "profiling timer expired",
-	30: "CPU time limit exceeded",
-	31: "file size limit exceeded",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/breakpoint trap"},
+	{6, "SIGABRT", "aborted"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGUSR1", "user defined signal 1"},
+	{17, "SIGUSR2", "user defined signal 2"},
+	{18, "SIGCHLD", "child exited"},
+	{19, "SIGPWR", "power failure"},
+	{20, "SIGWINCH", "window changed"},
+	{21, "SIGURG", "urgent I/O condition"},
+	{22, "SIGIO", "I/O possible"},
+	{23, "SIGSTOP", "stopped (signal)"},
+	{24, "SIGTSTP", "stopped"},
+	{25, "SIGCONT", "continued"},
+	{26, "SIGTTIN", "stopped (tty input)"},
+	{27, "SIGTTOU", "stopped (tty output)"},
+	{28, "SIGVTALRM", "virtual timer expired"},
+	{29, "SIGPROF", "profiling timer expired"},
+	{30, "SIGXCPU", "CPU time limit exceeded"},
+	{31, "SIGXFSZ", "file size limit exceeded"},
 }
diff --git a/unix/zerrors_linux_ppc64.go b/unix/zerrors_linux_ppc64.go
index 2d74bd4..3e6c178 100644
--- a/unix/zerrors_linux_ppc64.go
+++ b/unix/zerrors_linux_ppc64.go
@@ -2330,172 +2330,180 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:   "operation not permitted",
-	2:   "no such file or directory",
-	3:   "no such process",
-	4:   "interrupted system call",
-	5:   "input/output error",
-	6:   "no such device or address",
-	7:   "argument list too long",
-	8:   "exec format error",
-	9:   "bad file descriptor",
-	10:  "no child processes",
-	11:  "resource temporarily unavailable",
-	12:  "cannot allocate memory",
-	13:  "permission denied",
-	14:  "bad address",
-	15:  "block device required",
-	16:  "device or resource busy",
-	17:  "file exists",
-	18:  "invalid cross-device link",
-	19:  "no such device",
-	20:  "not a directory",
-	21:  "is a directory",
-	22:  "invalid argument",
-	23:  "too many open files in system",
-	24:  "too many open files",
-	25:  "inappropriate ioctl for device",
-	26:  "text file busy",
-	27:  "file too large",
-	28:  "no space left on device",
-	29:  "illegal seek",
-	30:  "read-only file system",
-	31:  "too many links",
-	32:  "broken pipe",
-	33:  "numerical argument out of domain",
-	34:  "numerical result out of range",
-	35:  "resource deadlock avoided",
-	36:  "file name too long",
-	37:  "no locks available",
-	38:  "function not implemented",
-	39:  "directory not empty",
-	40:  "too many levels of symbolic links",
-	42:  "no message of desired type",
-	43:  "identifier removed",
-	44:  "channel number out of range",
-	45:  "level 2 not synchronized",
-	46:  "level 3 halted",
-	47:  "level 3 reset",
-	48:  "link number out of range",
-	49:  "protocol driver not attached",
-	50:  "no CSI structure available",
-	51:  "level 2 halted",
-	52:  "invalid exchange",
-	53:  "invalid request descriptor",
-	54:  "exchange full",
-	55:  "no anode",
-	56:  "invalid request code",
-	57:  "invalid slot",
-	58:  "file locking deadlock error",
-	59:  "bad font file format",
-	60:  "device not a stream",
-	61:  "no data available",
-	62:  "timer expired",
-	63:  "out of streams resources",
-	64:  "machine is not on the network",
-	65:  "package not installed",
-	66:  "object is remote",
-	67:  "link has been severed",
-	68:  "advertise error",
-	69:  "srmount error",
-	70:  "communication error on send",
-	71:  "protocol error",
-	72:  "multihop attempted",
-	73:  "RFS specific error",
-	74:  "bad message",
-	75:  "value too large for defined data type",
-	76:  "name not unique on network",
-	77:  "file descriptor in bad state",
-	78:  "remote address changed",
-	79:  "can not access a needed shared library",
-	80:  "accessing a corrupted shared library",
-	81:  ".lib section in a.out corrupted",
-	82:  "attempting to link in too many shared libraries",
-	83:  "cannot exec a shared library directly",
-	84:  "invalid or incomplete multibyte or wide character",
-	85:  "interrupted system call should be restarted",
-	86:  "streams pipe error",
-	87:  "too many users",
-	88:  "socket operation on non-socket",
-	89:  "destination address required",
-	90:  "message too long",
-	91:  "protocol wrong type for socket",
-	92:  "protocol not available",
-	93:  "protocol not supported",
-	94:  "socket type not supported",
-	95:  "operation not supported",
-	96:  "protocol family not supported",
-	97:  "address family not supported by protocol",
-	98:  "address already in use",
-	99:  "cannot assign requested address",
-	100: "network is down",
-	101: "network is unreachable",
-	102: "network dropped connection on reset",
-	103: "software caused connection abort",
-	104: "connection reset by peer",
-	105: "no buffer space available",
-	106: "transport endpoint is already connected",
-	107: "transport endpoint is not connected",
-	108: "cannot send after transport endpoint shutdown",
-	109: "too many references: cannot splice",
-	110: "connection timed out",
-	111: "connection refused",
-	112: "host is down",
-	113: "no route to host",
-	114: "operation already in progress",
-	115: "operation now in progress",
-	116: "stale file handle",
-	117: "structure needs cleaning",
-	118: "not a XENIX named type file",
-	119: "no XENIX semaphores available",
-	120: "is a named type file",
-	121: "remote I/O error",
-	122: "disk quota exceeded",
-	123: "no medium found",
-	124: "wrong medium type",
-	125: "operation canceled",
-	126: "required key not available",
-	127: "key has expired",
-	128: "key has been revoked",
-	129: "key was rejected by service",
-	130: "owner died",
-	131: "state not recoverable",
-	132: "operation not possible due to RF-kill",
-	133: "memory page has hardware error",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "no such device or address"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EAGAIN", "resource temporarily unavailable"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device or resource busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "invalid cross-device link"},
+	{19, "ENODEV", "no such device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "numerical result out of range"},
+	{35, "EDEADLK", "resource deadlock avoided"},
+	{36, "ENAMETOOLONG", "file name too long"},
+	{37, "ENOLCK", "no locks available"},
+	{38, "ENOSYS", "function not implemented"},
+	{39, "ENOTEMPTY", "directory not empty"},
+	{40, "ELOOP", "too many levels of symbolic links"},
+	{42, "ENOMSG", "no message of desired type"},
+	{43, "EIDRM", "identifier removed"},
+	{44, "ECHRNG", "channel number out of range"},
+	{45, "EL2NSYNC", "level 2 not synchronized"},
+	{46, "EL3HLT", "level 3 halted"},
+	{47, "EL3RST", "level 3 reset"},
+	{48, "ELNRNG", "link number out of range"},
+	{49, "EUNATCH", "protocol driver not attached"},
+	{50, "ENOCSI", "no CSI structure available"},
+	{51, "EL2HLT", "level 2 halted"},
+	{52, "EBADE", "invalid exchange"},
+	{53, "EBADR", "invalid request descriptor"},
+	{54, "EXFULL", "exchange full"},
+	{55, "ENOANO", "no anode"},
+	{56, "EBADRQC", "invalid request code"},
+	{57, "EBADSLT", "invalid slot"},
+	{58, "EDEADLOCK", "file locking deadlock error"},
+	{59, "EBFONT", "bad font file format"},
+	{60, "ENOSTR", "device not a stream"},
+	{61, "ENODATA", "no data available"},
+	{62, "ETIME", "timer expired"},
+	{63, "ENOSR", "out of streams resources"},
+	{64, "ENONET", "machine is not on the network"},
+	{65, "ENOPKG", "package not installed"},
+	{66, "EREMOTE", "object is remote"},
+	{67, "ENOLINK", "link has been severed"},
+	{68, "EADV", "advertise error"},
+	{69, "ESRMNT", "srmount error"},
+	{70, "ECOMM", "communication error on send"},
+	{71, "EPROTO", "protocol error"},
+	{72, "EMULTIHOP", "multihop attempted"},
+	{73, "EDOTDOT", "RFS specific error"},
+	{74, "EBADMSG", "bad message"},
+	{75, "EOVERFLOW", "value too large for defined data type"},
+	{76, "ENOTUNIQ", "name not unique on network"},
+	{77, "EBADFD", "file descriptor in bad state"},
+	{78, "EREMCHG", "remote address changed"},
+	{79, "ELIBACC", "can not access a needed shared library"},
+	{80, "ELIBBAD", "accessing a corrupted shared library"},
+	{81, "ELIBSCN", ".lib section in a.out corrupted"},
+	{82, "ELIBMAX", "attempting to link in too many shared libraries"},
+	{83, "ELIBEXEC", "cannot exec a shared library directly"},
+	{84, "EILSEQ", "invalid or incomplete multibyte or wide character"},
+	{85, "ERESTART", "interrupted system call should be restarted"},
+	{86, "ESTRPIPE", "streams pipe error"},
+	{87, "EUSERS", "too many users"},
+	{88, "ENOTSOCK", "socket operation on non-socket"},
+	{89, "EDESTADDRREQ", "destination address required"},
+	{90, "EMSGSIZE", "message too long"},
+	{91, "EPROTOTYPE", "protocol wrong type for socket"},
+	{92, "ENOPROTOOPT", "protocol not available"},
+	{93, "EPROTONOSUPPORT", "protocol not supported"},
+	{94, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{95, "ENOTSUP", "operation not supported"},
+	{96, "EPFNOSUPPORT", "protocol family not supported"},
+	{97, "EAFNOSUPPORT", "address family not supported by protocol"},
+	{98, "EADDRINUSE", "address already in use"},
+	{99, "EADDRNOTAVAIL", "cannot assign requested address"},
+	{100, "ENETDOWN", "network is down"},
+	{101, "ENETUNREACH", "network is unreachable"},
+	{102, "ENETRESET", "network dropped connection on reset"},
+	{103, "ECONNABORTED", "software caused connection abort"},
+	{104, "ECONNRESET", "connection reset by peer"},
+	{105, "ENOBUFS", "no buffer space available"},
+	{106, "EISCONN", "transport endpoint is already connected"},
+	{107, "ENOTCONN", "transport endpoint is not connected"},
+	{108, "ESHUTDOWN", "cannot send after transport endpoint shutdown"},
+	{109, "ETOOMANYREFS", "too many references: cannot splice"},
+	{110, "ETIMEDOUT", "connection timed out"},
+	{111, "ECONNREFUSED", "connection refused"},
+	{112, "EHOSTDOWN", "host is down"},
+	{113, "EHOSTUNREACH", "no route to host"},
+	{114, "EALREADY", "operation already in progress"},
+	{115, "EINPROGRESS", "operation now in progress"},
+	{116, "ESTALE", "stale file handle"},
+	{117, "EUCLEAN", "structure needs cleaning"},
+	{118, "ENOTNAM", "not a XENIX named type file"},
+	{119, "ENAVAIL", "no XENIX semaphores available"},
+	{120, "EISNAM", "is a named type file"},
+	{121, "EREMOTEIO", "remote I/O error"},
+	{122, "EDQUOT", "disk quota exceeded"},
+	{123, "ENOMEDIUM", "no medium found"},
+	{124, "EMEDIUMTYPE", "wrong medium type"},
+	{125, "ECANCELED", "operation canceled"},
+	{126, "ENOKEY", "required key not available"},
+	{127, "EKEYEXPIRED", "key has expired"},
+	{128, "EKEYREVOKED", "key has been revoked"},
+	{129, "EKEYREJECTED", "key was rejected by service"},
+	{130, "EOWNERDEAD", "owner died"},
+	{131, "ENOTRECOVERABLE", "state not recoverable"},
+	{132, "ERFKILL", "operation not possible due to RF-kill"},
+	{133, "EHWPOISON", "memory page has hardware error"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/breakpoint trap",
-	6:  "aborted",
-	7:  "bus error",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "user defined signal 1",
-	11: "segmentation fault",
-	12: "user defined signal 2",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "stack fault",
-	17: "child exited",
-	18: "continued",
-	19: "stopped (signal)",
-	20: "stopped",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "urgent I/O condition",
-	24: "CPU time limit exceeded",
-	25: "file size limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window changed",
-	29: "I/O possible",
-	30: "power failure",
-	31: "bad system call",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/breakpoint trap"},
+	{6, "SIGABRT", "aborted"},
+	{7, "SIGBUS", "bus error"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGUSR1", "user defined signal 1"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGUSR2", "user defined signal 2"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGSTKFLT", "stack fault"},
+	{17, "SIGCHLD", "child exited"},
+	{18, "SIGCONT", "continued"},
+	{19, "SIGSTOP", "stopped (signal)"},
+	{20, "SIGTSTP", "stopped"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGURG", "urgent I/O condition"},
+	{24, "SIGXCPU", "CPU time limit exceeded"},
+	{25, "SIGXFSZ", "file size limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window changed"},
+	{29, "SIGIO", "I/O possible"},
+	{30, "SIGPWR", "power failure"},
+	{31, "SIGSYS", "bad system call"},
 }
diff --git a/unix/zerrors_linux_ppc64le.go b/unix/zerrors_linux_ppc64le.go
index 822f94b..4fabd8d 100644
--- a/unix/zerrors_linux_ppc64le.go
+++ b/unix/zerrors_linux_ppc64le.go
@@ -2330,172 +2330,180 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:   "operation not permitted",
-	2:   "no such file or directory",
-	3:   "no such process",
-	4:   "interrupted system call",
-	5:   "input/output error",
-	6:   "no such device or address",
-	7:   "argument list too long",
-	8:   "exec format error",
-	9:   "bad file descriptor",
-	10:  "no child processes",
-	11:  "resource temporarily unavailable",
-	12:  "cannot allocate memory",
-	13:  "permission denied",
-	14:  "bad address",
-	15:  "block device required",
-	16:  "device or resource busy",
-	17:  "file exists",
-	18:  "invalid cross-device link",
-	19:  "no such device",
-	20:  "not a directory",
-	21:  "is a directory",
-	22:  "invalid argument",
-	23:  "too many open files in system",
-	24:  "too many open files",
-	25:  "inappropriate ioctl for device",
-	26:  "text file busy",
-	27:  "file too large",
-	28:  "no space left on device",
-	29:  "illegal seek",
-	30:  "read-only file system",
-	31:  "too many links",
-	32:  "broken pipe",
-	33:  "numerical argument out of domain",
-	34:  "numerical result out of range",
-	35:  "resource deadlock avoided",
-	36:  "file name too long",
-	37:  "no locks available",
-	38:  "function not implemented",
-	39:  "directory not empty",
-	40:  "too many levels of symbolic links",
-	42:  "no message of desired type",
-	43:  "identifier removed",
-	44:  "channel number out of range",
-	45:  "level 2 not synchronized",
-	46:  "level 3 halted",
-	47:  "level 3 reset",
-	48:  "link number out of range",
-	49:  "protocol driver not attached",
-	50:  "no CSI structure available",
-	51:  "level 2 halted",
-	52:  "invalid exchange",
-	53:  "invalid request descriptor",
-	54:  "exchange full",
-	55:  "no anode",
-	56:  "invalid request code",
-	57:  "invalid slot",
-	58:  "file locking deadlock error",
-	59:  "bad font file format",
-	60:  "device not a stream",
-	61:  "no data available",
-	62:  "timer expired",
-	63:  "out of streams resources",
-	64:  "machine is not on the network",
-	65:  "package not installed",
-	66:  "object is remote",
-	67:  "link has been severed",
-	68:  "advertise error",
-	69:  "srmount error",
-	70:  "communication error on send",
-	71:  "protocol error",
-	72:  "multihop attempted",
-	73:  "RFS specific error",
-	74:  "bad message",
-	75:  "value too large for defined data type",
-	76:  "name not unique on network",
-	77:  "file descriptor in bad state",
-	78:  "remote address changed",
-	79:  "can not access a needed shared library",
-	80:  "accessing a corrupted shared library",
-	81:  ".lib section in a.out corrupted",
-	82:  "attempting to link in too many shared libraries",
-	83:  "cannot exec a shared library directly",
-	84:  "invalid or incomplete multibyte or wide character",
-	85:  "interrupted system call should be restarted",
-	86:  "streams pipe error",
-	87:  "too many users",
-	88:  "socket operation on non-socket",
-	89:  "destination address required",
-	90:  "message too long",
-	91:  "protocol wrong type for socket",
-	92:  "protocol not available",
-	93:  "protocol not supported",
-	94:  "socket type not supported",
-	95:  "operation not supported",
-	96:  "protocol family not supported",
-	97:  "address family not supported by protocol",
-	98:  "address already in use",
-	99:  "cannot assign requested address",
-	100: "network is down",
-	101: "network is unreachable",
-	102: "network dropped connection on reset",
-	103: "software caused connection abort",
-	104: "connection reset by peer",
-	105: "no buffer space available",
-	106: "transport endpoint is already connected",
-	107: "transport endpoint is not connected",
-	108: "cannot send after transport endpoint shutdown",
-	109: "too many references: cannot splice",
-	110: "connection timed out",
-	111: "connection refused",
-	112: "host is down",
-	113: "no route to host",
-	114: "operation already in progress",
-	115: "operation now in progress",
-	116: "stale file handle",
-	117: "structure needs cleaning",
-	118: "not a XENIX named type file",
-	119: "no XENIX semaphores available",
-	120: "is a named type file",
-	121: "remote I/O error",
-	122: "disk quota exceeded",
-	123: "no medium found",
-	124: "wrong medium type",
-	125: "operation canceled",
-	126: "required key not available",
-	127: "key has expired",
-	128: "key has been revoked",
-	129: "key was rejected by service",
-	130: "owner died",
-	131: "state not recoverable",
-	132: "operation not possible due to RF-kill",
-	133: "memory page has hardware error",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "no such device or address"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EAGAIN", "resource temporarily unavailable"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device or resource busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "invalid cross-device link"},
+	{19, "ENODEV", "no such device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "numerical result out of range"},
+	{35, "EDEADLK", "resource deadlock avoided"},
+	{36, "ENAMETOOLONG", "file name too long"},
+	{37, "ENOLCK", "no locks available"},
+	{38, "ENOSYS", "function not implemented"},
+	{39, "ENOTEMPTY", "directory not empty"},
+	{40, "ELOOP", "too many levels of symbolic links"},
+	{42, "ENOMSG", "no message of desired type"},
+	{43, "EIDRM", "identifier removed"},
+	{44, "ECHRNG", "channel number out of range"},
+	{45, "EL2NSYNC", "level 2 not synchronized"},
+	{46, "EL3HLT", "level 3 halted"},
+	{47, "EL3RST", "level 3 reset"},
+	{48, "ELNRNG", "link number out of range"},
+	{49, "EUNATCH", "protocol driver not attached"},
+	{50, "ENOCSI", "no CSI structure available"},
+	{51, "EL2HLT", "level 2 halted"},
+	{52, "EBADE", "invalid exchange"},
+	{53, "EBADR", "invalid request descriptor"},
+	{54, "EXFULL", "exchange full"},
+	{55, "ENOANO", "no anode"},
+	{56, "EBADRQC", "invalid request code"},
+	{57, "EBADSLT", "invalid slot"},
+	{58, "EDEADLOCK", "file locking deadlock error"},
+	{59, "EBFONT", "bad font file format"},
+	{60, "ENOSTR", "device not a stream"},
+	{61, "ENODATA", "no data available"},
+	{62, "ETIME", "timer expired"},
+	{63, "ENOSR", "out of streams resources"},
+	{64, "ENONET", "machine is not on the network"},
+	{65, "ENOPKG", "package not installed"},
+	{66, "EREMOTE", "object is remote"},
+	{67, "ENOLINK", "link has been severed"},
+	{68, "EADV", "advertise error"},
+	{69, "ESRMNT", "srmount error"},
+	{70, "ECOMM", "communication error on send"},
+	{71, "EPROTO", "protocol error"},
+	{72, "EMULTIHOP", "multihop attempted"},
+	{73, "EDOTDOT", "RFS specific error"},
+	{74, "EBADMSG", "bad message"},
+	{75, "EOVERFLOW", "value too large for defined data type"},
+	{76, "ENOTUNIQ", "name not unique on network"},
+	{77, "EBADFD", "file descriptor in bad state"},
+	{78, "EREMCHG", "remote address changed"},
+	{79, "ELIBACC", "can not access a needed shared library"},
+	{80, "ELIBBAD", "accessing a corrupted shared library"},
+	{81, "ELIBSCN", ".lib section in a.out corrupted"},
+	{82, "ELIBMAX", "attempting to link in too many shared libraries"},
+	{83, "ELIBEXEC", "cannot exec a shared library directly"},
+	{84, "EILSEQ", "invalid or incomplete multibyte or wide character"},
+	{85, "ERESTART", "interrupted system call should be restarted"},
+	{86, "ESTRPIPE", "streams pipe error"},
+	{87, "EUSERS", "too many users"},
+	{88, "ENOTSOCK", "socket operation on non-socket"},
+	{89, "EDESTADDRREQ", "destination address required"},
+	{90, "EMSGSIZE", "message too long"},
+	{91, "EPROTOTYPE", "protocol wrong type for socket"},
+	{92, "ENOPROTOOPT", "protocol not available"},
+	{93, "EPROTONOSUPPORT", "protocol not supported"},
+	{94, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{95, "ENOTSUP", "operation not supported"},
+	{96, "EPFNOSUPPORT", "protocol family not supported"},
+	{97, "EAFNOSUPPORT", "address family not supported by protocol"},
+	{98, "EADDRINUSE", "address already in use"},
+	{99, "EADDRNOTAVAIL", "cannot assign requested address"},
+	{100, "ENETDOWN", "network is down"},
+	{101, "ENETUNREACH", "network is unreachable"},
+	{102, "ENETRESET", "network dropped connection on reset"},
+	{103, "ECONNABORTED", "software caused connection abort"},
+	{104, "ECONNRESET", "connection reset by peer"},
+	{105, "ENOBUFS", "no buffer space available"},
+	{106, "EISCONN", "transport endpoint is already connected"},
+	{107, "ENOTCONN", "transport endpoint is not connected"},
+	{108, "ESHUTDOWN", "cannot send after transport endpoint shutdown"},
+	{109, "ETOOMANYREFS", "too many references: cannot splice"},
+	{110, "ETIMEDOUT", "connection timed out"},
+	{111, "ECONNREFUSED", "connection refused"},
+	{112, "EHOSTDOWN", "host is down"},
+	{113, "EHOSTUNREACH", "no route to host"},
+	{114, "EALREADY", "operation already in progress"},
+	{115, "EINPROGRESS", "operation now in progress"},
+	{116, "ESTALE", "stale file handle"},
+	{117, "EUCLEAN", "structure needs cleaning"},
+	{118, "ENOTNAM", "not a XENIX named type file"},
+	{119, "ENAVAIL", "no XENIX semaphores available"},
+	{120, "EISNAM", "is a named type file"},
+	{121, "EREMOTEIO", "remote I/O error"},
+	{122, "EDQUOT", "disk quota exceeded"},
+	{123, "ENOMEDIUM", "no medium found"},
+	{124, "EMEDIUMTYPE", "wrong medium type"},
+	{125, "ECANCELED", "operation canceled"},
+	{126, "ENOKEY", "required key not available"},
+	{127, "EKEYEXPIRED", "key has expired"},
+	{128, "EKEYREVOKED", "key has been revoked"},
+	{129, "EKEYREJECTED", "key was rejected by service"},
+	{130, "EOWNERDEAD", "owner died"},
+	{131, "ENOTRECOVERABLE", "state not recoverable"},
+	{132, "ERFKILL", "operation not possible due to RF-kill"},
+	{133, "EHWPOISON", "memory page has hardware error"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/breakpoint trap",
-	6:  "aborted",
-	7:  "bus error",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "user defined signal 1",
-	11: "segmentation fault",
-	12: "user defined signal 2",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "stack fault",
-	17: "child exited",
-	18: "continued",
-	19: "stopped (signal)",
-	20: "stopped",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "urgent I/O condition",
-	24: "CPU time limit exceeded",
-	25: "file size limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window changed",
-	29: "I/O possible",
-	30: "power failure",
-	31: "bad system call",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/breakpoint trap"},
+	{6, "SIGABRT", "aborted"},
+	{7, "SIGBUS", "bus error"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGUSR1", "user defined signal 1"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGUSR2", "user defined signal 2"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGSTKFLT", "stack fault"},
+	{17, "SIGCHLD", "child exited"},
+	{18, "SIGCONT", "continued"},
+	{19, "SIGSTOP", "stopped (signal)"},
+	{20, "SIGTSTP", "stopped"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGURG", "urgent I/O condition"},
+	{24, "SIGXCPU", "CPU time limit exceeded"},
+	{25, "SIGXFSZ", "file size limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window changed"},
+	{29, "SIGIO", "I/O possible"},
+	{30, "SIGPWR", "power failure"},
+	{31, "SIGSYS", "bad system call"},
 }
diff --git a/unix/zerrors_linux_s390x.go b/unix/zerrors_linux_s390x.go
index beb9aa3..685667a 100644
--- a/unix/zerrors_linux_s390x.go
+++ b/unix/zerrors_linux_s390x.go
@@ -2330,171 +2330,179 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:   "operation not permitted",
-	2:   "no such file or directory",
-	3:   "no such process",
-	4:   "interrupted system call",
-	5:   "input/output error",
-	6:   "no such device or address",
-	7:   "argument list too long",
-	8:   "exec format error",
-	9:   "bad file descriptor",
-	10:  "no child processes",
-	11:  "resource temporarily unavailable",
-	12:  "cannot allocate memory",
-	13:  "permission denied",
-	14:  "bad address",
-	15:  "block device required",
-	16:  "device or resource busy",
-	17:  "file exists",
-	18:  "invalid cross-device link",
-	19:  "no such device",
-	20:  "not a directory",
-	21:  "is a directory",
-	22:  "invalid argument",
-	23:  "too many open files in system",
-	24:  "too many open files",
-	25:  "inappropriate ioctl for device",
-	26:  "text file busy",
-	27:  "file too large",
-	28:  "no space left on device",
-	29:  "illegal seek",
-	30:  "read-only file system",
-	31:  "too many links",
-	32:  "broken pipe",
-	33:  "numerical argument out of domain",
-	34:  "numerical result out of range",
-	35:  "resource deadlock avoided",
-	36:  "file name too long",
-	37:  "no locks available",
-	38:  "function not implemented",
-	39:  "directory not empty",
-	40:  "too many levels of symbolic links",
-	42:  "no message of desired type",
-	43:  "identifier removed",
-	44:  "channel number out of range",
-	45:  "level 2 not synchronized",
-	46:  "level 3 halted",
-	47:  "level 3 reset",
-	48:  "link number out of range",
-	49:  "protocol driver not attached",
-	50:  "no CSI structure available",
-	51:  "level 2 halted",
-	52:  "invalid exchange",
-	53:  "invalid request descriptor",
-	54:  "exchange full",
-	55:  "no anode",
-	56:  "invalid request code",
-	57:  "invalid slot",
-	59:  "bad font file format",
-	60:  "device not a stream",
-	61:  "no data available",
-	62:  "timer expired",
-	63:  "out of streams resources",
-	64:  "machine is not on the network",
-	65:  "package not installed",
-	66:  "object is remote",
-	67:  "link has been severed",
-	68:  "advertise error",
-	69:  "srmount error",
-	70:  "communication error on send",
-	71:  "protocol error",
-	72:  "multihop attempted",
-	73:  "RFS specific error",
-	74:  "bad message",
-	75:  "value too large for defined data type",
-	76:  "name not unique on network",
-	77:  "file descriptor in bad state",
-	78:  "remote address changed",
-	79:  "can not access a needed shared library",
-	80:  "accessing a corrupted shared library",
-	81:  ".lib section in a.out corrupted",
-	82:  "attempting to link in too many shared libraries",
-	83:  "cannot exec a shared library directly",
-	84:  "invalid or incomplete multibyte or wide character",
-	85:  "interrupted system call should be restarted",
-	86:  "streams pipe error",
-	87:  "too many users",
-	88:  "socket operation on non-socket",
-	89:  "destination address required",
-	90:  "message too long",
-	91:  "protocol wrong type for socket",
-	92:  "protocol not available",
-	93:  "protocol not supported",
-	94:  "socket type not supported",
-	95:  "operation not supported",
-	96:  "protocol family not supported",
-	97:  "address family not supported by protocol",
-	98:  "address already in use",
-	99:  "cannot assign requested address",
-	100: "network is down",
-	101: "network is unreachable",
-	102: "network dropped connection on reset",
-	103: "software caused connection abort",
-	104: "connection reset by peer",
-	105: "no buffer space available",
-	106: "transport endpoint is already connected",
-	107: "transport endpoint is not connected",
-	108: "cannot send after transport endpoint shutdown",
-	109: "too many references: cannot splice",
-	110: "connection timed out",
-	111: "connection refused",
-	112: "host is down",
-	113: "no route to host",
-	114: "operation already in progress",
-	115: "operation now in progress",
-	116: "stale file handle",
-	117: "structure needs cleaning",
-	118: "not a XENIX named type file",
-	119: "no XENIX semaphores available",
-	120: "is a named type file",
-	121: "remote I/O error",
-	122: "disk quota exceeded",
-	123: "no medium found",
-	124: "wrong medium type",
-	125: "operation canceled",
-	126: "required key not available",
-	127: "key has expired",
-	128: "key has been revoked",
-	129: "key was rejected by service",
-	130: "owner died",
-	131: "state not recoverable",
-	132: "operation not possible due to RF-kill",
-	133: "memory page has hardware error",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "no such device or address"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EAGAIN", "resource temporarily unavailable"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device or resource busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "invalid cross-device link"},
+	{19, "ENODEV", "no such device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "numerical result out of range"},
+	{35, "EDEADLK", "resource deadlock avoided"},
+	{36, "ENAMETOOLONG", "file name too long"},
+	{37, "ENOLCK", "no locks available"},
+	{38, "ENOSYS", "function not implemented"},
+	{39, "ENOTEMPTY", "directory not empty"},
+	{40, "ELOOP", "too many levels of symbolic links"},
+	{42, "ENOMSG", "no message of desired type"},
+	{43, "EIDRM", "identifier removed"},
+	{44, "ECHRNG", "channel number out of range"},
+	{45, "EL2NSYNC", "level 2 not synchronized"},
+	{46, "EL3HLT", "level 3 halted"},
+	{47, "EL3RST", "level 3 reset"},
+	{48, "ELNRNG", "link number out of range"},
+	{49, "EUNATCH", "protocol driver not attached"},
+	{50, "ENOCSI", "no CSI structure available"},
+	{51, "EL2HLT", "level 2 halted"},
+	{52, "EBADE", "invalid exchange"},
+	{53, "EBADR", "invalid request descriptor"},
+	{54, "EXFULL", "exchange full"},
+	{55, "ENOANO", "no anode"},
+	{56, "EBADRQC", "invalid request code"},
+	{57, "EBADSLT", "invalid slot"},
+	{59, "EBFONT", "bad font file format"},
+	{60, "ENOSTR", "device not a stream"},
+	{61, "ENODATA", "no data available"},
+	{62, "ETIME", "timer expired"},
+	{63, "ENOSR", "out of streams resources"},
+	{64, "ENONET", "machine is not on the network"},
+	{65, "ENOPKG", "package not installed"},
+	{66, "EREMOTE", "object is remote"},
+	{67, "ENOLINK", "link has been severed"},
+	{68, "EADV", "advertise error"},
+	{69, "ESRMNT", "srmount error"},
+	{70, "ECOMM", "communication error on send"},
+	{71, "EPROTO", "protocol error"},
+	{72, "EMULTIHOP", "multihop attempted"},
+	{73, "EDOTDOT", "RFS specific error"},
+	{74, "EBADMSG", "bad message"},
+	{75, "EOVERFLOW", "value too large for defined data type"},
+	{76, "ENOTUNIQ", "name not unique on network"},
+	{77, "EBADFD", "file descriptor in bad state"},
+	{78, "EREMCHG", "remote address changed"},
+	{79, "ELIBACC", "can not access a needed shared library"},
+	{80, "ELIBBAD", "accessing a corrupted shared library"},
+	{81, "ELIBSCN", ".lib section in a.out corrupted"},
+	{82, "ELIBMAX", "attempting to link in too many shared libraries"},
+	{83, "ELIBEXEC", "cannot exec a shared library directly"},
+	{84, "EILSEQ", "invalid or incomplete multibyte or wide character"},
+	{85, "ERESTART", "interrupted system call should be restarted"},
+	{86, "ESTRPIPE", "streams pipe error"},
+	{87, "EUSERS", "too many users"},
+	{88, "ENOTSOCK", "socket operation on non-socket"},
+	{89, "EDESTADDRREQ", "destination address required"},
+	{90, "EMSGSIZE", "message too long"},
+	{91, "EPROTOTYPE", "protocol wrong type for socket"},
+	{92, "ENOPROTOOPT", "protocol not available"},
+	{93, "EPROTONOSUPPORT", "protocol not supported"},
+	{94, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{95, "ENOTSUP", "operation not supported"},
+	{96, "EPFNOSUPPORT", "protocol family not supported"},
+	{97, "EAFNOSUPPORT", "address family not supported by protocol"},
+	{98, "EADDRINUSE", "address already in use"},
+	{99, "EADDRNOTAVAIL", "cannot assign requested address"},
+	{100, "ENETDOWN", "network is down"},
+	{101, "ENETUNREACH", "network is unreachable"},
+	{102, "ENETRESET", "network dropped connection on reset"},
+	{103, "ECONNABORTED", "software caused connection abort"},
+	{104, "ECONNRESET", "connection reset by peer"},
+	{105, "ENOBUFS", "no buffer space available"},
+	{106, "EISCONN", "transport endpoint is already connected"},
+	{107, "ENOTCONN", "transport endpoint is not connected"},
+	{108, "ESHUTDOWN", "cannot send after transport endpoint shutdown"},
+	{109, "ETOOMANYREFS", "too many references: cannot splice"},
+	{110, "ETIMEDOUT", "connection timed out"},
+	{111, "ECONNREFUSED", "connection refused"},
+	{112, "EHOSTDOWN", "host is down"},
+	{113, "EHOSTUNREACH", "no route to host"},
+	{114, "EALREADY", "operation already in progress"},
+	{115, "EINPROGRESS", "operation now in progress"},
+	{116, "ESTALE", "stale file handle"},
+	{117, "EUCLEAN", "structure needs cleaning"},
+	{118, "ENOTNAM", "not a XENIX named type file"},
+	{119, "ENAVAIL", "no XENIX semaphores available"},
+	{120, "EISNAM", "is a named type file"},
+	{121, "EREMOTEIO", "remote I/O error"},
+	{122, "EDQUOT", "disk quota exceeded"},
+	{123, "ENOMEDIUM", "no medium found"},
+	{124, "EMEDIUMTYPE", "wrong medium type"},
+	{125, "ECANCELED", "operation canceled"},
+	{126, "ENOKEY", "required key not available"},
+	{127, "EKEYEXPIRED", "key has expired"},
+	{128, "EKEYREVOKED", "key has been revoked"},
+	{129, "EKEYREJECTED", "key was rejected by service"},
+	{130, "EOWNERDEAD", "owner died"},
+	{131, "ENOTRECOVERABLE", "state not recoverable"},
+	{132, "ERFKILL", "operation not possible due to RF-kill"},
+	{133, "EHWPOISON", "memory page has hardware error"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/breakpoint trap",
-	6:  "aborted",
-	7:  "bus error",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "user defined signal 1",
-	11: "segmentation fault",
-	12: "user defined signal 2",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "stack fault",
-	17: "child exited",
-	18: "continued",
-	19: "stopped (signal)",
-	20: "stopped",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "urgent I/O condition",
-	24: "CPU time limit exceeded",
-	25: "file size limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window changed",
-	29: "I/O possible",
-	30: "power failure",
-	31: "bad system call",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/breakpoint trap"},
+	{6, "SIGABRT", "aborted"},
+	{7, "SIGBUS", "bus error"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGUSR1", "user defined signal 1"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGUSR2", "user defined signal 2"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGSTKFLT", "stack fault"},
+	{17, "SIGCHLD", "child exited"},
+	{18, "SIGCONT", "continued"},
+	{19, "SIGSTOP", "stopped (signal)"},
+	{20, "SIGTSTP", "stopped"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGURG", "urgent I/O condition"},
+	{24, "SIGXCPU", "CPU time limit exceeded"},
+	{25, "SIGXFSZ", "file size limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window changed"},
+	{29, "SIGIO", "I/O possible"},
+	{30, "SIGPWR", "power failure"},
+	{31, "SIGSYS", "bad system call"},
 }
diff --git a/unix/zerrors_netbsd_386.go b/unix/zerrors_netbsd_386.go
index 3eef63f..cd93ce0 100644
--- a/unix/zerrors_netbsd_386.go
+++ b/unix/zerrors_netbsd_386.go
@@ -1584,137 +1584,145 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:  "operation not permitted",
-	2:  "no such file or directory",
-	3:  "no such process",
-	4:  "interrupted system call",
-	5:  "input/output error",
-	6:  "device not configured",
-	7:  "argument list too long",
-	8:  "exec format error",
-	9:  "bad file descriptor",
-	10: "no child processes",
-	11: "resource deadlock avoided",
-	12: "cannot allocate memory",
-	13: "permission denied",
-	14: "bad address",
-	15: "block device required",
-	16: "device busy",
-	17: "file exists",
-	18: "cross-device link",
-	19: "operation not supported by device",
-	20: "not a directory",
-	21: "is a directory",
-	22: "invalid argument",
-	23: "too many open files in system",
-	24: "too many open files",
-	25: "inappropriate ioctl for device",
-	26: "text file busy",
-	27: "file too large",
-	28: "no space left on device",
-	29: "illegal seek",
-	30: "read-only file system",
-	31: "too many links",
-	32: "broken pipe",
-	33: "numerical argument out of domain",
-	34: "result too large or too small",
-	35: "resource temporarily unavailable",
-	36: "operation now in progress",
-	37: "operation already in progress",
-	38: "socket operation on non-socket",
-	39: "destination address required",
-	40: "message too long",
-	41: "protocol wrong type for socket",
-	42: "protocol option not available",
-	43: "protocol not supported",
-	44: "socket type not supported",
-	45: "operation not supported",
-	46: "protocol family not supported",
-	47: "address family not supported by protocol family",
-	48: "address already in use",
-	49: "can't assign requested address",
-	50: "network is down",
-	51: "network is unreachable",
-	52: "network dropped connection on reset",
-	53: "software caused connection abort",
-	54: "connection reset by peer",
-	55: "no buffer space available",
-	56: "socket is already connected",
-	57: "socket is not connected",
-	58: "can't send after socket shutdown",
-	59: "too many references: can't splice",
-	60: "connection timed out",
-	61: "connection refused",
-	62: "too many levels of symbolic links",
-	63: "file name too long",
-	64: "host is down",
-	65: "no route to host",
-	66: "directory not empty",
-	67: "too many processes",
-	68: "too many users",
-	69: "disc quota exceeded",
-	70: "stale NFS file handle",
-	71: "too many levels of remote in path",
-	72: "RPC struct is bad",
-	73: "RPC version wrong",
-	74: "RPC prog. not avail",
-	75: "program version wrong",
-	76: "bad procedure for program",
-	77: "no locks available",
-	78: "function not implemented",
-	79: "inappropriate file type or format",
-	80: "authentication error",
-	81: "need authenticator",
-	82: "identifier removed",
-	83: "no message of desired type",
-	84: "value too large to be stored in data type",
-	85: "illegal byte sequence",
-	86: "not supported",
-	87: "operation Canceled",
-	88: "bad or Corrupt message",
-	89: "no message available",
-	90: "no STREAM resources",
-	91: "not a STREAM",
-	92: "STREAM ioctl timeout",
-	93: "attribute not found",
-	94: "multihop attempted",
-	95: "link has been severed",
-	96: "protocol error",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "device not configured"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EDEADLK", "resource deadlock avoided"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "cross-device link"},
+	{19, "ENODEV", "operation not supported by device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "result too large or too small"},
+	{35, "EAGAIN", "resource temporarily unavailable"},
+	{36, "EINPROGRESS", "operation now in progress"},
+	{37, "EALREADY", "operation already in progress"},
+	{38, "ENOTSOCK", "socket operation on non-socket"},
+	{39, "EDESTADDRREQ", "destination address required"},
+	{40, "EMSGSIZE", "message too long"},
+	{41, "EPROTOTYPE", "protocol wrong type for socket"},
+	{42, "ENOPROTOOPT", "protocol option not available"},
+	{43, "EPROTONOSUPPORT", "protocol not supported"},
+	{44, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{45, "EOPNOTSUPP", "operation not supported"},
+	{46, "EPFNOSUPPORT", "protocol family not supported"},
+	{47, "EAFNOSUPPORT", "address family not supported by protocol family"},
+	{48, "EADDRINUSE", "address already in use"},
+	{49, "EADDRNOTAVAIL", "can't assign requested address"},
+	{50, "ENETDOWN", "network is down"},
+	{51, "ENETUNREACH", "network is unreachable"},
+	{52, "ENETRESET", "network dropped connection on reset"},
+	{53, "ECONNABORTED", "software caused connection abort"},
+	{54, "ECONNRESET", "connection reset by peer"},
+	{55, "ENOBUFS", "no buffer space available"},
+	{56, "EISCONN", "socket is already connected"},
+	{57, "ENOTCONN", "socket is not connected"},
+	{58, "ESHUTDOWN", "can't send after socket shutdown"},
+	{59, "ETOOMANYREFS", "too many references: can't splice"},
+	{60, "ETIMEDOUT", "connection timed out"},
+	{61, "ECONNREFUSED", "connection refused"},
+	{62, "ELOOP", "too many levels of symbolic links"},
+	{63, "ENAMETOOLONG", "file name too long"},
+	{64, "EHOSTDOWN", "host is down"},
+	{65, "EHOSTUNREACH", "no route to host"},
+	{66, "ENOTEMPTY", "directory not empty"},
+	{67, "EPROCLIM", "too many processes"},
+	{68, "EUSERS", "too many users"},
+	{69, "EDQUOT", "disc quota exceeded"},
+	{70, "ESTALE", "stale NFS file handle"},
+	{71, "EREMOTE", "too many levels of remote in path"},
+	{72, "EBADRPC", "RPC struct is bad"},
+	{73, "ERPCMISMATCH", "RPC version wrong"},
+	{74, "EPROGUNAVAIL", "RPC prog. not avail"},
+	{75, "EPROGMISMATCH", "program version wrong"},
+	{76, "EPROCUNAVAIL", "bad procedure for program"},
+	{77, "ENOLCK", "no locks available"},
+	{78, "ENOSYS", "function not implemented"},
+	{79, "EFTYPE", "inappropriate file type or format"},
+	{80, "EAUTH", "authentication error"},
+	{81, "ENEEDAUTH", "need authenticator"},
+	{82, "EIDRM", "identifier removed"},
+	{83, "ENOMSG", "no message of desired type"},
+	{84, "EOVERFLOW", "value too large to be stored in data type"},
+	{85, "EILSEQ", "illegal byte sequence"},
+	{86, "ENOTSUP", "not supported"},
+	{87, "ECANCELED", "operation Canceled"},
+	{88, "EBADMSG", "bad or Corrupt message"},
+	{89, "ENODATA", "no message available"},
+	{90, "ENOSR", "no STREAM resources"},
+	{91, "ENOSTR", "not a STREAM"},
+	{92, "ETIME", "STREAM ioctl timeout"},
+	{93, "ENOATTR", "attribute not found"},
+	{94, "EMULTIHOP", "multihop attempted"},
+	{95, "ENOLINK", "link has been severed"},
+	{96, "ELAST", "protocol error"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/BPT trap",
-	6:  "abort trap",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "urgent I/O condition",
-	17: "stopped (signal)",
-	18: "stopped",
-	19: "continued",
-	20: "child exited",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "I/O possible",
-	24: "cputime limit exceeded",
-	25: "filesize limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window size changes",
-	29: "information request",
-	30: "user defined signal 1",
-	31: "user defined signal 2",
-	32: "power fail/restart",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/BPT trap"},
+	{6, "SIGIOT", "abort trap"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGURG", "urgent I/O condition"},
+	{17, "SIGSTOP", "stopped (signal)"},
+	{18, "SIGTSTP", "stopped"},
+	{19, "SIGCONT", "continued"},
+	{20, "SIGCHLD", "child exited"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGIO", "I/O possible"},
+	{24, "SIGXCPU", "cputime limit exceeded"},
+	{25, "SIGXFSZ", "filesize limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window size changes"},
+	{29, "SIGINFO", "information request"},
+	{30, "SIGUSR1", "user defined signal 1"},
+	{31, "SIGUSR2", "user defined signal 2"},
+	{32, "SIGPWR", "power fail/restart"},
 }
diff --git a/unix/zerrors_netbsd_amd64.go b/unix/zerrors_netbsd_amd64.go
index 40c870b..071701c 100644
--- a/unix/zerrors_netbsd_amd64.go
+++ b/unix/zerrors_netbsd_amd64.go
@@ -1574,137 +1574,145 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:  "operation not permitted",
-	2:  "no such file or directory",
-	3:  "no such process",
-	4:  "interrupted system call",
-	5:  "input/output error",
-	6:  "device not configured",
-	7:  "argument list too long",
-	8:  "exec format error",
-	9:  "bad file descriptor",
-	10: "no child processes",
-	11: "resource deadlock avoided",
-	12: "cannot allocate memory",
-	13: "permission denied",
-	14: "bad address",
-	15: "block device required",
-	16: "device busy",
-	17: "file exists",
-	18: "cross-device link",
-	19: "operation not supported by device",
-	20: "not a directory",
-	21: "is a directory",
-	22: "invalid argument",
-	23: "too many open files in system",
-	24: "too many open files",
-	25: "inappropriate ioctl for device",
-	26: "text file busy",
-	27: "file too large",
-	28: "no space left on device",
-	29: "illegal seek",
-	30: "read-only file system",
-	31: "too many links",
-	32: "broken pipe",
-	33: "numerical argument out of domain",
-	34: "result too large or too small",
-	35: "resource temporarily unavailable",
-	36: "operation now in progress",
-	37: "operation already in progress",
-	38: "socket operation on non-socket",
-	39: "destination address required",
-	40: "message too long",
-	41: "protocol wrong type for socket",
-	42: "protocol option not available",
-	43: "protocol not supported",
-	44: "socket type not supported",
-	45: "operation not supported",
-	46: "protocol family not supported",
-	47: "address family not supported by protocol family",
-	48: "address already in use",
-	49: "can't assign requested address",
-	50: "network is down",
-	51: "network is unreachable",
-	52: "network dropped connection on reset",
-	53: "software caused connection abort",
-	54: "connection reset by peer",
-	55: "no buffer space available",
-	56: "socket is already connected",
-	57: "socket is not connected",
-	58: "can't send after socket shutdown",
-	59: "too many references: can't splice",
-	60: "connection timed out",
-	61: "connection refused",
-	62: "too many levels of symbolic links",
-	63: "file name too long",
-	64: "host is down",
-	65: "no route to host",
-	66: "directory not empty",
-	67: "too many processes",
-	68: "too many users",
-	69: "disc quota exceeded",
-	70: "stale NFS file handle",
-	71: "too many levels of remote in path",
-	72: "RPC struct is bad",
-	73: "RPC version wrong",
-	74: "RPC prog. not avail",
-	75: "program version wrong",
-	76: "bad procedure for program",
-	77: "no locks available",
-	78: "function not implemented",
-	79: "inappropriate file type or format",
-	80: "authentication error",
-	81: "need authenticator",
-	82: "identifier removed",
-	83: "no message of desired type",
-	84: "value too large to be stored in data type",
-	85: "illegal byte sequence",
-	86: "not supported",
-	87: "operation Canceled",
-	88: "bad or Corrupt message",
-	89: "no message available",
-	90: "no STREAM resources",
-	91: "not a STREAM",
-	92: "STREAM ioctl timeout",
-	93: "attribute not found",
-	94: "multihop attempted",
-	95: "link has been severed",
-	96: "protocol error",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "device not configured"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EDEADLK", "resource deadlock avoided"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "cross-device link"},
+	{19, "ENODEV", "operation not supported by device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "result too large or too small"},
+	{35, "EAGAIN", "resource temporarily unavailable"},
+	{36, "EINPROGRESS", "operation now in progress"},
+	{37, "EALREADY", "operation already in progress"},
+	{38, "ENOTSOCK", "socket operation on non-socket"},
+	{39, "EDESTADDRREQ", "destination address required"},
+	{40, "EMSGSIZE", "message too long"},
+	{41, "EPROTOTYPE", "protocol wrong type for socket"},
+	{42, "ENOPROTOOPT", "protocol option not available"},
+	{43, "EPROTONOSUPPORT", "protocol not supported"},
+	{44, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{45, "EOPNOTSUPP", "operation not supported"},
+	{46, "EPFNOSUPPORT", "protocol family not supported"},
+	{47, "EAFNOSUPPORT", "address family not supported by protocol family"},
+	{48, "EADDRINUSE", "address already in use"},
+	{49, "EADDRNOTAVAIL", "can't assign requested address"},
+	{50, "ENETDOWN", "network is down"},
+	{51, "ENETUNREACH", "network is unreachable"},
+	{52, "ENETRESET", "network dropped connection on reset"},
+	{53, "ECONNABORTED", "software caused connection abort"},
+	{54, "ECONNRESET", "connection reset by peer"},
+	{55, "ENOBUFS", "no buffer space available"},
+	{56, "EISCONN", "socket is already connected"},
+	{57, "ENOTCONN", "socket is not connected"},
+	{58, "ESHUTDOWN", "can't send after socket shutdown"},
+	{59, "ETOOMANYREFS", "too many references: can't splice"},
+	{60, "ETIMEDOUT", "connection timed out"},
+	{61, "ECONNREFUSED", "connection refused"},
+	{62, "ELOOP", "too many levels of symbolic links"},
+	{63, "ENAMETOOLONG", "file name too long"},
+	{64, "EHOSTDOWN", "host is down"},
+	{65, "EHOSTUNREACH", "no route to host"},
+	{66, "ENOTEMPTY", "directory not empty"},
+	{67, "EPROCLIM", "too many processes"},
+	{68, "EUSERS", "too many users"},
+	{69, "EDQUOT", "disc quota exceeded"},
+	{70, "ESTALE", "stale NFS file handle"},
+	{71, "EREMOTE", "too many levels of remote in path"},
+	{72, "EBADRPC", "RPC struct is bad"},
+	{73, "ERPCMISMATCH", "RPC version wrong"},
+	{74, "EPROGUNAVAIL", "RPC prog. not avail"},
+	{75, "EPROGMISMATCH", "program version wrong"},
+	{76, "EPROCUNAVAIL", "bad procedure for program"},
+	{77, "ENOLCK", "no locks available"},
+	{78, "ENOSYS", "function not implemented"},
+	{79, "EFTYPE", "inappropriate file type or format"},
+	{80, "EAUTH", "authentication error"},
+	{81, "ENEEDAUTH", "need authenticator"},
+	{82, "EIDRM", "identifier removed"},
+	{83, "ENOMSG", "no message of desired type"},
+	{84, "EOVERFLOW", "value too large to be stored in data type"},
+	{85, "EILSEQ", "illegal byte sequence"},
+	{86, "ENOTSUP", "not supported"},
+	{87, "ECANCELED", "operation Canceled"},
+	{88, "EBADMSG", "bad or Corrupt message"},
+	{89, "ENODATA", "no message available"},
+	{90, "ENOSR", "no STREAM resources"},
+	{91, "ENOSTR", "not a STREAM"},
+	{92, "ETIME", "STREAM ioctl timeout"},
+	{93, "ENOATTR", "attribute not found"},
+	{94, "EMULTIHOP", "multihop attempted"},
+	{95, "ENOLINK", "link has been severed"},
+	{96, "ELAST", "protocol error"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/BPT trap",
-	6:  "abort trap",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "urgent I/O condition",
-	17: "stopped (signal)",
-	18: "stopped",
-	19: "continued",
-	20: "child exited",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "I/O possible",
-	24: "cputime limit exceeded",
-	25: "filesize limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window size changes",
-	29: "information request",
-	30: "user defined signal 1",
-	31: "user defined signal 2",
-	32: "power fail/restart",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/BPT trap"},
+	{6, "SIGIOT", "abort trap"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGURG", "urgent I/O condition"},
+	{17, "SIGSTOP", "stopped (signal)"},
+	{18, "SIGTSTP", "stopped"},
+	{19, "SIGCONT", "continued"},
+	{20, "SIGCHLD", "child exited"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGIO", "I/O possible"},
+	{24, "SIGXCPU", "cputime limit exceeded"},
+	{25, "SIGXFSZ", "filesize limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window size changes"},
+	{29, "SIGINFO", "information request"},
+	{30, "SIGUSR1", "user defined signal 1"},
+	{31, "SIGUSR2", "user defined signal 2"},
+	{32, "SIGPWR", "power fail/restart"},
 }
diff --git a/unix/zerrors_netbsd_arm.go b/unix/zerrors_netbsd_arm.go
index 43c4add..5fe56ae 100644
--- a/unix/zerrors_netbsd_arm.go
+++ b/unix/zerrors_netbsd_arm.go
@@ -1563,137 +1563,145 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:  "operation not permitted",
-	2:  "no such file or directory",
-	3:  "no such process",
-	4:  "interrupted system call",
-	5:  "input/output error",
-	6:  "device not configured",
-	7:  "argument list too long",
-	8:  "exec format error",
-	9:  "bad file descriptor",
-	10: "no child processes",
-	11: "resource deadlock avoided",
-	12: "cannot allocate memory",
-	13: "permission denied",
-	14: "bad address",
-	15: "block device required",
-	16: "device busy",
-	17: "file exists",
-	18: "cross-device link",
-	19: "operation not supported by device",
-	20: "not a directory",
-	21: "is a directory",
-	22: "invalid argument",
-	23: "too many open files in system",
-	24: "too many open files",
-	25: "inappropriate ioctl for device",
-	26: "text file busy",
-	27: "file too large",
-	28: "no space left on device",
-	29: "illegal seek",
-	30: "read-only file system",
-	31: "too many links",
-	32: "broken pipe",
-	33: "numerical argument out of domain",
-	34: "result too large or too small",
-	35: "resource temporarily unavailable",
-	36: "operation now in progress",
-	37: "operation already in progress",
-	38: "socket operation on non-socket",
-	39: "destination address required",
-	40: "message too long",
-	41: "protocol wrong type for socket",
-	42: "protocol option not available",
-	43: "protocol not supported",
-	44: "socket type not supported",
-	45: "operation not supported",
-	46: "protocol family not supported",
-	47: "address family not supported by protocol family",
-	48: "address already in use",
-	49: "can't assign requested address",
-	50: "network is down",
-	51: "network is unreachable",
-	52: "network dropped connection on reset",
-	53: "software caused connection abort",
-	54: "connection reset by peer",
-	55: "no buffer space available",
-	56: "socket is already connected",
-	57: "socket is not connected",
-	58: "can't send after socket shutdown",
-	59: "too many references: can't splice",
-	60: "connection timed out",
-	61: "connection refused",
-	62: "too many levels of symbolic links",
-	63: "file name too long",
-	64: "host is down",
-	65: "no route to host",
-	66: "directory not empty",
-	67: "too many processes",
-	68: "too many users",
-	69: "disc quota exceeded",
-	70: "stale NFS file handle",
-	71: "too many levels of remote in path",
-	72: "RPC struct is bad",
-	73: "RPC version wrong",
-	74: "RPC prog. not avail",
-	75: "program version wrong",
-	76: "bad procedure for program",
-	77: "no locks available",
-	78: "function not implemented",
-	79: "inappropriate file type or format",
-	80: "authentication error",
-	81: "need authenticator",
-	82: "identifier removed",
-	83: "no message of desired type",
-	84: "value too large to be stored in data type",
-	85: "illegal byte sequence",
-	86: "not supported",
-	87: "operation Canceled",
-	88: "bad or Corrupt message",
-	89: "no message available",
-	90: "no STREAM resources",
-	91: "not a STREAM",
-	92: "STREAM ioctl timeout",
-	93: "attribute not found",
-	94: "multihop attempted",
-	95: "link has been severed",
-	96: "protocol error",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "device not configured"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EDEADLK", "resource deadlock avoided"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "cross-device link"},
+	{19, "ENODEV", "operation not supported by device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "result too large or too small"},
+	{35, "EAGAIN", "resource temporarily unavailable"},
+	{36, "EINPROGRESS", "operation now in progress"},
+	{37, "EALREADY", "operation already in progress"},
+	{38, "ENOTSOCK", "socket operation on non-socket"},
+	{39, "EDESTADDRREQ", "destination address required"},
+	{40, "EMSGSIZE", "message too long"},
+	{41, "EPROTOTYPE", "protocol wrong type for socket"},
+	{42, "ENOPROTOOPT", "protocol option not available"},
+	{43, "EPROTONOSUPPORT", "protocol not supported"},
+	{44, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{45, "EOPNOTSUPP", "operation not supported"},
+	{46, "EPFNOSUPPORT", "protocol family not supported"},
+	{47, "EAFNOSUPPORT", "address family not supported by protocol family"},
+	{48, "EADDRINUSE", "address already in use"},
+	{49, "EADDRNOTAVAIL", "can't assign requested address"},
+	{50, "ENETDOWN", "network is down"},
+	{51, "ENETUNREACH", "network is unreachable"},
+	{52, "ENETRESET", "network dropped connection on reset"},
+	{53, "ECONNABORTED", "software caused connection abort"},
+	{54, "ECONNRESET", "connection reset by peer"},
+	{55, "ENOBUFS", "no buffer space available"},
+	{56, "EISCONN", "socket is already connected"},
+	{57, "ENOTCONN", "socket is not connected"},
+	{58, "ESHUTDOWN", "can't send after socket shutdown"},
+	{59, "ETOOMANYREFS", "too many references: can't splice"},
+	{60, "ETIMEDOUT", "connection timed out"},
+	{61, "ECONNREFUSED", "connection refused"},
+	{62, "ELOOP", "too many levels of symbolic links"},
+	{63, "ENAMETOOLONG", "file name too long"},
+	{64, "EHOSTDOWN", "host is down"},
+	{65, "EHOSTUNREACH", "no route to host"},
+	{66, "ENOTEMPTY", "directory not empty"},
+	{67, "EPROCLIM", "too many processes"},
+	{68, "EUSERS", "too many users"},
+	{69, "EDQUOT", "disc quota exceeded"},
+	{70, "ESTALE", "stale NFS file handle"},
+	{71, "EREMOTE", "too many levels of remote in path"},
+	{72, "EBADRPC", "RPC struct is bad"},
+	{73, "ERPCMISMATCH", "RPC version wrong"},
+	{74, "EPROGUNAVAIL", "RPC prog. not avail"},
+	{75, "EPROGMISMATCH", "program version wrong"},
+	{76, "EPROCUNAVAIL", "bad procedure for program"},
+	{77, "ENOLCK", "no locks available"},
+	{78, "ENOSYS", "function not implemented"},
+	{79, "EFTYPE", "inappropriate file type or format"},
+	{80, "EAUTH", "authentication error"},
+	{81, "ENEEDAUTH", "need authenticator"},
+	{82, "EIDRM", "identifier removed"},
+	{83, "ENOMSG", "no message of desired type"},
+	{84, "EOVERFLOW", "value too large to be stored in data type"},
+	{85, "EILSEQ", "illegal byte sequence"},
+	{86, "ENOTSUP", "not supported"},
+	{87, "ECANCELED", "operation Canceled"},
+	{88, "EBADMSG", "bad or Corrupt message"},
+	{89, "ENODATA", "no message available"},
+	{90, "ENOSR", "no STREAM resources"},
+	{91, "ENOSTR", "not a STREAM"},
+	{92, "ETIME", "STREAM ioctl timeout"},
+	{93, "ENOATTR", "attribute not found"},
+	{94, "EMULTIHOP", "multihop attempted"},
+	{95, "ENOLINK", "link has been severed"},
+	{96, "ELAST", "protocol error"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/BPT trap",
-	6:  "abort trap",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "urgent I/O condition",
-	17: "stopped (signal)",
-	18: "stopped",
-	19: "continued",
-	20: "child exited",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "I/O possible",
-	24: "cputime limit exceeded",
-	25: "filesize limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window size changes",
-	29: "information request",
-	30: "user defined signal 1",
-	31: "user defined signal 2",
-	32: "power fail/restart",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/BPT trap"},
+	{6, "SIGIOT", "abort trap"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGURG", "urgent I/O condition"},
+	{17, "SIGSTOP", "stopped (signal)"},
+	{18, "SIGTSTP", "stopped"},
+	{19, "SIGCONT", "continued"},
+	{20, "SIGCHLD", "child exited"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGIO", "I/O possible"},
+	{24, "SIGXCPU", "cputime limit exceeded"},
+	{25, "SIGXFSZ", "filesize limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window size changes"},
+	{29, "SIGINFO", "information request"},
+	{30, "SIGUSR1", "user defined signal 1"},
+	{31, "SIGUSR2", "user defined signal 2"},
+	{32, "SIGPWR", "power fail/restart"},
 }
diff --git a/unix/zerrors_openbsd_386.go b/unix/zerrors_openbsd_386.go
index f47536d..0a1c3e7 100644
--- a/unix/zerrors_openbsd_386.go
+++ b/unix/zerrors_openbsd_386.go
@@ -1461,132 +1461,140 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:  "operation not permitted",
-	2:  "no such file or directory",
-	3:  "no such process",
-	4:  "interrupted system call",
-	5:  "input/output error",
-	6:  "device not configured",
-	7:  "argument list too long",
-	8:  "exec format error",
-	9:  "bad file descriptor",
-	10: "no child processes",
-	11: "resource deadlock avoided",
-	12: "cannot allocate memory",
-	13: "permission denied",
-	14: "bad address",
-	15: "block device required",
-	16: "device busy",
-	17: "file exists",
-	18: "cross-device link",
-	19: "operation not supported by device",
-	20: "not a directory",
-	21: "is a directory",
-	22: "invalid argument",
-	23: "too many open files in system",
-	24: "too many open files",
-	25: "inappropriate ioctl for device",
-	26: "text file busy",
-	27: "file too large",
-	28: "no space left on device",
-	29: "illegal seek",
-	30: "read-only file system",
-	31: "too many links",
-	32: "broken pipe",
-	33: "numerical argument out of domain",
-	34: "result too large",
-	35: "resource temporarily unavailable",
-	36: "operation now in progress",
-	37: "operation already in progress",
-	38: "socket operation on non-socket",
-	39: "destination address required",
-	40: "message too long",
-	41: "protocol wrong type for socket",
-	42: "protocol not available",
-	43: "protocol not supported",
-	44: "socket type not supported",
-	45: "operation not supported",
-	46: "protocol family not supported",
-	47: "address family not supported by protocol family",
-	48: "address already in use",
-	49: "can't assign requested address",
-	50: "network is down",
-	51: "network is unreachable",
-	52: "network dropped connection on reset",
-	53: "software caused connection abort",
-	54: "connection reset by peer",
-	55: "no buffer space available",
-	56: "socket is already connected",
-	57: "socket is not connected",
-	58: "can't send after socket shutdown",
-	59: "too many references: can't splice",
-	60: "connection timed out",
-	61: "connection refused",
-	62: "too many levels of symbolic links",
-	63: "file name too long",
-	64: "host is down",
-	65: "no route to host",
-	66: "directory not empty",
-	67: "too many processes",
-	68: "too many users",
-	69: "disc quota exceeded",
-	70: "stale NFS file handle",
-	71: "too many levels of remote in path",
-	72: "RPC struct is bad",
-	73: "RPC version wrong",
-	74: "RPC prog. not avail",
-	75: "program version wrong",
-	76: "bad procedure for program",
-	77: "no locks available",
-	78: "function not implemented",
-	79: "inappropriate file type or format",
-	80: "authentication error",
-	81: "need authenticator",
-	82: "IPsec processing failure",
-	83: "attribute not found",
-	84: "illegal byte sequence",
-	85: "no medium found",
-	86: "wrong medium type",
-	87: "value too large to be stored in data type",
-	88: "operation canceled",
-	89: "identifier removed",
-	90: "no message of desired type",
-	91: "not supported",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "device not configured"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EDEADLK", "resource deadlock avoided"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "cross-device link"},
+	{19, "ENODEV", "operation not supported by device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "result too large"},
+	{35, "EWOULDBLOCK", "resource temporarily unavailable"},
+	{36, "EINPROGRESS", "operation now in progress"},
+	{37, "EALREADY", "operation already in progress"},
+	{38, "ENOTSOCK", "socket operation on non-socket"},
+	{39, "EDESTADDRREQ", "destination address required"},
+	{40, "EMSGSIZE", "message too long"},
+	{41, "EPROTOTYPE", "protocol wrong type for socket"},
+	{42, "ENOPROTOOPT", "protocol not available"},
+	{43, "EPROTONOSUPPORT", "protocol not supported"},
+	{44, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{45, "EOPNOTSUPP", "operation not supported"},
+	{46, "EPFNOSUPPORT", "protocol family not supported"},
+	{47, "EAFNOSUPPORT", "address family not supported by protocol family"},
+	{48, "EADDRINUSE", "address already in use"},
+	{49, "EADDRNOTAVAIL", "can't assign requested address"},
+	{50, "ENETDOWN", "network is down"},
+	{51, "ENETUNREACH", "network is unreachable"},
+	{52, "ENETRESET", "network dropped connection on reset"},
+	{53, "ECONNABORTED", "software caused connection abort"},
+	{54, "ECONNRESET", "connection reset by peer"},
+	{55, "ENOBUFS", "no buffer space available"},
+	{56, "EISCONN", "socket is already connected"},
+	{57, "ENOTCONN", "socket is not connected"},
+	{58, "ESHUTDOWN", "can't send after socket shutdown"},
+	{59, "ETOOMANYREFS", "too many references: can't splice"},
+	{60, "ETIMEDOUT", "operation timed out"},
+	{61, "ECONNREFUSED", "connection refused"},
+	{62, "ELOOP", "too many levels of symbolic links"},
+	{63, "ENAMETOOLONG", "file name too long"},
+	{64, "EHOSTDOWN", "host is down"},
+	{65, "EHOSTUNREACH", "no route to host"},
+	{66, "ENOTEMPTY", "directory not empty"},
+	{67, "EPROCLIM", "too many processes"},
+	{68, "EUSERS", "too many users"},
+	{69, "EDQUOT", "disk quota exceeded"},
+	{70, "ESTALE", "stale NFS file handle"},
+	{71, "EREMOTE", "too many levels of remote in path"},
+	{72, "EBADRPC", "RPC struct is bad"},
+	{73, "ERPCMISMATCH", "RPC version wrong"},
+	{74, "EPROGUNAVAIL", "RPC program not available"},
+	{75, "EPROGMISMATCH", "program version wrong"},
+	{76, "EPROCUNAVAIL", "bad procedure for program"},
+	{77, "ENOLCK", "no locks available"},
+	{78, "ENOSYS", "function not implemented"},
+	{79, "EFTYPE", "inappropriate file type or format"},
+	{80, "EAUTH", "authentication error"},
+	{81, "ENEEDAUTH", "need authenticator"},
+	{82, "EIPSEC", "IPsec processing failure"},
+	{83, "ENOATTR", "attribute not found"},
+	{84, "EILSEQ", "illegal byte sequence"},
+	{85, "ENOMEDIUM", "no medium found"},
+	{86, "EMEDIUMTYPE", "wrong medium type"},
+	{87, "EOVERFLOW", "value too large to be stored in data type"},
+	{88, "ECANCELED", "operation canceled"},
+	{89, "EIDRM", "identifier removed"},
+	{90, "ENOMSG", "no message of desired type"},
+	{91, "ELAST", "not supported"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/BPT trap",
-	6:  "abort trap",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "urgent I/O condition",
-	17: "stopped (signal)",
-	18: "stopped",
-	19: "continued",
-	20: "child exited",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "I/O possible",
-	24: "cputime limit exceeded",
-	25: "filesize limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window size changes",
-	29: "information request",
-	30: "user defined signal 1",
-	31: "user defined signal 2",
-	32: "thread AST",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/BPT trap"},
+	{6, "SIGABRT", "abort trap"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGURG", "urgent I/O condition"},
+	{17, "SIGSTOP", "suspended (signal)"},
+	{18, "SIGTSTP", "suspended"},
+	{19, "SIGCONT", "continued"},
+	{20, "SIGCHLD", "child exited"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGIO", "I/O possible"},
+	{24, "SIGXCPU", "cputime limit exceeded"},
+	{25, "SIGXFSZ", "filesize limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window size changes"},
+	{29, "SIGINFO", "information request"},
+	{30, "SIGUSR1", "user defined signal 1"},
+	{31, "SIGUSR2", "user defined signal 2"},
+	{32, "SIGTHR", "thread AST"},
 }
diff --git a/unix/zerrors_openbsd_amd64.go b/unix/zerrors_openbsd_amd64.go
index c96ca65..0d50f6b 100644
--- a/unix/zerrors_openbsd_amd64.go
+++ b/unix/zerrors_openbsd_amd64.go
@@ -1460,132 +1460,140 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:  "operation not permitted",
-	2:  "no such file or directory",
-	3:  "no such process",
-	4:  "interrupted system call",
-	5:  "input/output error",
-	6:  "device not configured",
-	7:  "argument list too long",
-	8:  "exec format error",
-	9:  "bad file descriptor",
-	10: "no child processes",
-	11: "resource deadlock avoided",
-	12: "cannot allocate memory",
-	13: "permission denied",
-	14: "bad address",
-	15: "block device required",
-	16: "device busy",
-	17: "file exists",
-	18: "cross-device link",
-	19: "operation not supported by device",
-	20: "not a directory",
-	21: "is a directory",
-	22: "invalid argument",
-	23: "too many open files in system",
-	24: "too many open files",
-	25: "inappropriate ioctl for device",
-	26: "text file busy",
-	27: "file too large",
-	28: "no space left on device",
-	29: "illegal seek",
-	30: "read-only file system",
-	31: "too many links",
-	32: "broken pipe",
-	33: "numerical argument out of domain",
-	34: "result too large",
-	35: "resource temporarily unavailable",
-	36: "operation now in progress",
-	37: "operation already in progress",
-	38: "socket operation on non-socket",
-	39: "destination address required",
-	40: "message too long",
-	41: "protocol wrong type for socket",
-	42: "protocol not available",
-	43: "protocol not supported",
-	44: "socket type not supported",
-	45: "operation not supported",
-	46: "protocol family not supported",
-	47: "address family not supported by protocol family",
-	48: "address already in use",
-	49: "can't assign requested address",
-	50: "network is down",
-	51: "network is unreachable",
-	52: "network dropped connection on reset",
-	53: "software caused connection abort",
-	54: "connection reset by peer",
-	55: "no buffer space available",
-	56: "socket is already connected",
-	57: "socket is not connected",
-	58: "can't send after socket shutdown",
-	59: "too many references: can't splice",
-	60: "connection timed out",
-	61: "connection refused",
-	62: "too many levels of symbolic links",
-	63: "file name too long",
-	64: "host is down",
-	65: "no route to host",
-	66: "directory not empty",
-	67: "too many processes",
-	68: "too many users",
-	69: "disc quota exceeded",
-	70: "stale NFS file handle",
-	71: "too many levels of remote in path",
-	72: "RPC struct is bad",
-	73: "RPC version wrong",
-	74: "RPC prog. not avail",
-	75: "program version wrong",
-	76: "bad procedure for program",
-	77: "no locks available",
-	78: "function not implemented",
-	79: "inappropriate file type or format",
-	80: "authentication error",
-	81: "need authenticator",
-	82: "IPsec processing failure",
-	83: "attribute not found",
-	84: "illegal byte sequence",
-	85: "no medium found",
-	86: "wrong medium type",
-	87: "value too large to be stored in data type",
-	88: "operation canceled",
-	89: "identifier removed",
-	90: "no message of desired type",
-	91: "not supported",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "device not configured"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EDEADLK", "resource deadlock avoided"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "cross-device link"},
+	{19, "ENODEV", "operation not supported by device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "result too large"},
+	{35, "EWOULDBLOCK", "resource temporarily unavailable"},
+	{36, "EINPROGRESS", "operation now in progress"},
+	{37, "EALREADY", "operation already in progress"},
+	{38, "ENOTSOCK", "socket operation on non-socket"},
+	{39, "EDESTADDRREQ", "destination address required"},
+	{40, "EMSGSIZE", "message too long"},
+	{41, "EPROTOTYPE", "protocol wrong type for socket"},
+	{42, "ENOPROTOOPT", "protocol not available"},
+	{43, "EPROTONOSUPPORT", "protocol not supported"},
+	{44, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{45, "EOPNOTSUPP", "operation not supported"},
+	{46, "EPFNOSUPPORT", "protocol family not supported"},
+	{47, "EAFNOSUPPORT", "address family not supported by protocol family"},
+	{48, "EADDRINUSE", "address already in use"},
+	{49, "EADDRNOTAVAIL", "can't assign requested address"},
+	{50, "ENETDOWN", "network is down"},
+	{51, "ENETUNREACH", "network is unreachable"},
+	{52, "ENETRESET", "network dropped connection on reset"},
+	{53, "ECONNABORTED", "software caused connection abort"},
+	{54, "ECONNRESET", "connection reset by peer"},
+	{55, "ENOBUFS", "no buffer space available"},
+	{56, "EISCONN", "socket is already connected"},
+	{57, "ENOTCONN", "socket is not connected"},
+	{58, "ESHUTDOWN", "can't send after socket shutdown"},
+	{59, "ETOOMANYREFS", "too many references: can't splice"},
+	{60, "ETIMEDOUT", "operation timed out"},
+	{61, "ECONNREFUSED", "connection refused"},
+	{62, "ELOOP", "too many levels of symbolic links"},
+	{63, "ENAMETOOLONG", "file name too long"},
+	{64, "EHOSTDOWN", "host is down"},
+	{65, "EHOSTUNREACH", "no route to host"},
+	{66, "ENOTEMPTY", "directory not empty"},
+	{67, "EPROCLIM", "too many processes"},
+	{68, "EUSERS", "too many users"},
+	{69, "EDQUOT", "disk quota exceeded"},
+	{70, "ESTALE", "stale NFS file handle"},
+	{71, "EREMOTE", "too many levels of remote in path"},
+	{72, "EBADRPC", "RPC struct is bad"},
+	{73, "ERPCMISMATCH", "RPC version wrong"},
+	{74, "EPROGUNAVAIL", "RPC program not available"},
+	{75, "EPROGMISMATCH", "program version wrong"},
+	{76, "EPROCUNAVAIL", "bad procedure for program"},
+	{77, "ENOLCK", "no locks available"},
+	{78, "ENOSYS", "function not implemented"},
+	{79, "EFTYPE", "inappropriate file type or format"},
+	{80, "EAUTH", "authentication error"},
+	{81, "ENEEDAUTH", "need authenticator"},
+	{82, "EIPSEC", "IPsec processing failure"},
+	{83, "ENOATTR", "attribute not found"},
+	{84, "EILSEQ", "illegal byte sequence"},
+	{85, "ENOMEDIUM", "no medium found"},
+	{86, "EMEDIUMTYPE", "wrong medium type"},
+	{87, "EOVERFLOW", "value too large to be stored in data type"},
+	{88, "ECANCELED", "operation canceled"},
+	{89, "EIDRM", "identifier removed"},
+	{90, "ENOMSG", "no message of desired type"},
+	{91, "ELAST", "not supported"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/BPT trap",
-	6:  "abort trap",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "urgent I/O condition",
-	17: "stopped (signal)",
-	18: "stopped",
-	19: "continued",
-	20: "child exited",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "I/O possible",
-	24: "cputime limit exceeded",
-	25: "filesize limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window size changes",
-	29: "information request",
-	30: "user defined signal 1",
-	31: "user defined signal 2",
-	32: "thread AST",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/BPT trap"},
+	{6, "SIGABRT", "abort trap"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGURG", "urgent I/O condition"},
+	{17, "SIGSTOP", "suspended (signal)"},
+	{18, "SIGTSTP", "suspended"},
+	{19, "SIGCONT", "continued"},
+	{20, "SIGCHLD", "child exited"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGIO", "I/O possible"},
+	{24, "SIGXCPU", "cputime limit exceeded"},
+	{25, "SIGXFSZ", "filesize limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window size changes"},
+	{29, "SIGINFO", "information request"},
+	{30, "SIGUSR1", "user defined signal 1"},
+	{31, "SIGUSR2", "user defined signal 2"},
+	{32, "SIGTHR", "thread AST"},
 }
diff --git a/unix/zerrors_openbsd_arm.go b/unix/zerrors_openbsd_arm.go
index 4c02735..93e37c4 100644
--- a/unix/zerrors_openbsd_arm.go
+++ b/unix/zerrors_openbsd_arm.go
@@ -1463,132 +1463,140 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:  "operation not permitted",
-	2:  "no such file or directory",
-	3:  "no such process",
-	4:  "interrupted system call",
-	5:  "input/output error",
-	6:  "device not configured",
-	7:  "argument list too long",
-	8:  "exec format error",
-	9:  "bad file descriptor",
-	10: "no child processes",
-	11: "resource deadlock avoided",
-	12: "cannot allocate memory",
-	13: "permission denied",
-	14: "bad address",
-	15: "block device required",
-	16: "device busy",
-	17: "file exists",
-	18: "cross-device link",
-	19: "operation not supported by device",
-	20: "not a directory",
-	21: "is a directory",
-	22: "invalid argument",
-	23: "too many open files in system",
-	24: "too many open files",
-	25: "inappropriate ioctl for device",
-	26: "text file busy",
-	27: "file too large",
-	28: "no space left on device",
-	29: "illegal seek",
-	30: "read-only file system",
-	31: "too many links",
-	32: "broken pipe",
-	33: "numerical argument out of domain",
-	34: "result too large",
-	35: "resource temporarily unavailable",
-	36: "operation now in progress",
-	37: "operation already in progress",
-	38: "socket operation on non-socket",
-	39: "destination address required",
-	40: "message too long",
-	41: "protocol wrong type for socket",
-	42: "protocol not available",
-	43: "protocol not supported",
-	44: "socket type not supported",
-	45: "operation not supported",
-	46: "protocol family not supported",
-	47: "address family not supported by protocol family",
-	48: "address already in use",
-	49: "can't assign requested address",
-	50: "network is down",
-	51: "network is unreachable",
-	52: "network dropped connection on reset",
-	53: "software caused connection abort",
-	54: "connection reset by peer",
-	55: "no buffer space available",
-	56: "socket is already connected",
-	57: "socket is not connected",
-	58: "can't send after socket shutdown",
-	59: "too many references: can't splice",
-	60: "connection timed out",
-	61: "connection refused",
-	62: "too many levels of symbolic links",
-	63: "file name too long",
-	64: "host is down",
-	65: "no route to host",
-	66: "directory not empty",
-	67: "too many processes",
-	68: "too many users",
-	69: "disc quota exceeded",
-	70: "stale NFS file handle",
-	71: "too many levels of remote in path",
-	72: "RPC struct is bad",
-	73: "RPC version wrong",
-	74: "RPC prog. not avail",
-	75: "program version wrong",
-	76: "bad procedure for program",
-	77: "no locks available",
-	78: "function not implemented",
-	79: "inappropriate file type or format",
-	80: "authentication error",
-	81: "need authenticator",
-	82: "IPsec processing failure",
-	83: "attribute not found",
-	84: "illegal byte sequence",
-	85: "no medium found",
-	86: "wrong medium type",
-	87: "value too large to be stored in data type",
-	88: "operation canceled",
-	89: "identifier removed",
-	90: "no message of desired type",
-	91: "not supported",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "device not configured"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EDEADLK", "resource deadlock avoided"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "cross-device link"},
+	{19, "ENODEV", "operation not supported by device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "result too large"},
+	{35, "EWOULDBLOCK", "resource temporarily unavailable"},
+	{36, "EINPROGRESS", "operation now in progress"},
+	{37, "EALREADY", "operation already in progress"},
+	{38, "ENOTSOCK", "socket operation on non-socket"},
+	{39, "EDESTADDRREQ", "destination address required"},
+	{40, "EMSGSIZE", "message too long"},
+	{41, "EPROTOTYPE", "protocol wrong type for socket"},
+	{42, "ENOPROTOOPT", "protocol not available"},
+	{43, "EPROTONOSUPPORT", "protocol not supported"},
+	{44, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{45, "EOPNOTSUPP", "operation not supported"},
+	{46, "EPFNOSUPPORT", "protocol family not supported"},
+	{47, "EAFNOSUPPORT", "address family not supported by protocol family"},
+	{48, "EADDRINUSE", "address already in use"},
+	{49, "EADDRNOTAVAIL", "can't assign requested address"},
+	{50, "ENETDOWN", "network is down"},
+	{51, "ENETUNREACH", "network is unreachable"},
+	{52, "ENETRESET", "network dropped connection on reset"},
+	{53, "ECONNABORTED", "software caused connection abort"},
+	{54, "ECONNRESET", "connection reset by peer"},
+	{55, "ENOBUFS", "no buffer space available"},
+	{56, "EISCONN", "socket is already connected"},
+	{57, "ENOTCONN", "socket is not connected"},
+	{58, "ESHUTDOWN", "can't send after socket shutdown"},
+	{59, "ETOOMANYREFS", "too many references: can't splice"},
+	{60, "ETIMEDOUT", "operation timed out"},
+	{61, "ECONNREFUSED", "connection refused"},
+	{62, "ELOOP", "too many levels of symbolic links"},
+	{63, "ENAMETOOLONG", "file name too long"},
+	{64, "EHOSTDOWN", "host is down"},
+	{65, "EHOSTUNREACH", "no route to host"},
+	{66, "ENOTEMPTY", "directory not empty"},
+	{67, "EPROCLIM", "too many processes"},
+	{68, "EUSERS", "too many users"},
+	{69, "EDQUOT", "disk quota exceeded"},
+	{70, "ESTALE", "stale NFS file handle"},
+	{71, "EREMOTE", "too many levels of remote in path"},
+	{72, "EBADRPC", "RPC struct is bad"},
+	{73, "ERPCMISMATCH", "RPC version wrong"},
+	{74, "EPROGUNAVAIL", "RPC program not available"},
+	{75, "EPROGMISMATCH", "program version wrong"},
+	{76, "EPROCUNAVAIL", "bad procedure for program"},
+	{77, "ENOLCK", "no locks available"},
+	{78, "ENOSYS", "function not implemented"},
+	{79, "EFTYPE", "inappropriate file type or format"},
+	{80, "EAUTH", "authentication error"},
+	{81, "ENEEDAUTH", "need authenticator"},
+	{82, "EIPSEC", "IPsec processing failure"},
+	{83, "ENOATTR", "attribute not found"},
+	{84, "EILSEQ", "illegal byte sequence"},
+	{85, "ENOMEDIUM", "no medium found"},
+	{86, "EMEDIUMTYPE", "wrong medium type"},
+	{87, "EOVERFLOW", "value too large to be stored in data type"},
+	{88, "ECANCELED", "operation canceled"},
+	{89, "EIDRM", "identifier removed"},
+	{90, "ENOMSG", "no message of desired type"},
+	{91, "ELAST", "not supported"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal instruction",
-	5:  "trace/BPT trap",
-	6:  "abort trap",
-	7:  "EMT trap",
-	8:  "floating point exception",
-	9:  "killed",
-	10: "bus error",
-	11: "segmentation fault",
-	12: "bad system call",
-	13: "broken pipe",
-	14: "alarm clock",
-	15: "terminated",
-	16: "urgent I/O condition",
-	17: "stopped (signal)",
-	18: "stopped",
-	19: "continued",
-	20: "child exited",
-	21: "stopped (tty input)",
-	22: "stopped (tty output)",
-	23: "I/O possible",
-	24: "cputime limit exceeded",
-	25: "filesize limit exceeded",
-	26: "virtual timer expired",
-	27: "profiling timer expired",
-	28: "window size changes",
-	29: "information request",
-	30: "user defined signal 1",
-	31: "user defined signal 2",
-	32: "thread AST",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/BPT trap"},
+	{6, "SIGABRT", "abort trap"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGURG", "urgent I/O condition"},
+	{17, "SIGSTOP", "suspended (signal)"},
+	{18, "SIGTSTP", "suspended"},
+	{19, "SIGCONT", "continued"},
+	{20, "SIGCHLD", "child exited"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGIO", "I/O possible"},
+	{24, "SIGXCPU", "cputime limit exceeded"},
+	{25, "SIGXFSZ", "filesize limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window size changes"},
+	{29, "SIGINFO", "information request"},
+	{30, "SIGUSR1", "user defined signal 1"},
+	{31, "SIGUSR2", "user defined signal 2"},
+	{32, "SIGTHR", "thread AST"},
 }
diff --git a/unix/zerrors_solaris_amd64.go b/unix/zerrors_solaris_amd64.go
index 09eedb0..be42830 100644
--- a/unix/zerrors_solaris_amd64.go
+++ b/unix/zerrors_solaris_amd64.go
@@ -1319,171 +1319,179 @@
 )
 
 // Error table
-var errors = [...]string{
-	1:   "not owner",
-	2:   "no such file or directory",
-	3:   "no such process",
-	4:   "interrupted system call",
-	5:   "I/O error",
-	6:   "no such device or address",
-	7:   "arg list too long",
-	8:   "exec format error",
-	9:   "bad file number",
-	10:  "no child processes",
-	11:  "resource temporarily unavailable",
-	12:  "not enough space",
-	13:  "permission denied",
-	14:  "bad address",
-	15:  "block device required",
-	16:  "device busy",
-	17:  "file exists",
-	18:  "cross-device link",
-	19:  "no such device",
-	20:  "not a directory",
-	21:  "is a directory",
-	22:  "invalid argument",
-	23:  "file table overflow",
-	24:  "too many open files",
-	25:  "inappropriate ioctl for device",
-	26:  "text file busy",
-	27:  "file too large",
-	28:  "no space left on device",
-	29:  "illegal seek",
-	30:  "read-only file system",
-	31:  "too many links",
-	32:  "broken pipe",
-	33:  "argument out of domain",
-	34:  "result too large",
-	35:  "no message of desired type",
-	36:  "identifier removed",
-	37:  "channel number out of range",
-	38:  "level 2 not synchronized",
-	39:  "level 3 halted",
-	40:  "level 3 reset",
-	41:  "link number out of range",
-	42:  "protocol driver not attached",
-	43:  "no CSI structure available",
-	44:  "level 2 halted",
-	45:  "deadlock situation detected/avoided",
-	46:  "no record locks available",
-	47:  "operation canceled",
-	48:  "operation not supported",
-	49:  "disc quota exceeded",
-	50:  "bad exchange descriptor",
-	51:  "bad request descriptor",
-	52:  "message tables full",
-	53:  "anode table overflow",
-	54:  "bad request code",
-	55:  "invalid slot",
-	56:  "file locking deadlock",
-	57:  "bad font file format",
-	58:  "owner of the lock died",
-	59:  "lock is not recoverable",
-	60:  "not a stream device",
-	61:  "no data available",
-	62:  "timer expired",
-	63:  "out of stream resources",
-	64:  "machine is not on the network",
-	65:  "package not installed",
-	66:  "object is remote",
-	67:  "link has been severed",
-	68:  "advertise error",
-	69:  "srmount error",
-	70:  "communication error on send",
-	71:  "protocol error",
-	72:  "locked lock was unmapped ",
-	73:  "facility is not active",
-	74:  "multihop attempted",
-	77:  "not a data message",
-	78:  "file name too long",
-	79:  "value too large for defined data type",
-	80:  "name not unique on network",
-	81:  "file descriptor in bad state",
-	82:  "remote address changed",
-	83:  "can not access a needed shared library",
-	84:  "accessing a corrupted shared library",
-	85:  ".lib section in a.out corrupted",
-	86:  "attempting to link in more shared libraries than system limit",
-	87:  "can not exec a shared library directly",
-	88:  "illegal byte sequence",
-	89:  "operation not applicable",
-	90:  "number of symbolic links encountered during path name traversal exceeds MAXSYMLINKS",
-	91:  "error 91",
-	92:  "error 92",
-	93:  "directory not empty",
-	94:  "too many users",
-	95:  "socket operation on non-socket",
-	96:  "destination address required",
-	97:  "message too long",
-	98:  "protocol wrong type for socket",
-	99:  "option not supported by protocol",
-	120: "protocol not supported",
-	121: "socket type not supported",
-	122: "operation not supported on transport endpoint",
-	123: "protocol family not supported",
-	124: "address family not supported by protocol family",
-	125: "address already in use",
-	126: "cannot assign requested address",
-	127: "network is down",
-	128: "network is unreachable",
-	129: "network dropped connection because of reset",
-	130: "software caused connection abort",
-	131: "connection reset by peer",
-	132: "no buffer space available",
-	133: "transport endpoint is already connected",
-	134: "transport endpoint is not connected",
-	143: "cannot send after socket shutdown",
-	144: "too many references: cannot splice",
-	145: "connection timed out",
-	146: "connection refused",
-	147: "host is down",
-	148: "no route to host",
-	149: "operation already in progress",
-	150: "operation now in progress",
-	151: "stale NFS file handle",
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "not owner"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "I/O error"},
+	{6, "ENXIO", "no such device or address"},
+	{7, "E2BIG", "arg list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file number"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EAGAIN", "resource temporarily unavailable"},
+	{12, "ENOMEM", "not enough space"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "cross-device link"},
+	{19, "ENODEV", "no such device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "file table overflow"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "argument out of domain"},
+	{34, "ERANGE", "result too large"},
+	{35, "ENOMSG", "no message of desired type"},
+	{36, "EIDRM", "identifier removed"},
+	{37, "ECHRNG", "channel number out of range"},
+	{38, "EL2NSYNC", "level 2 not synchronized"},
+	{39, "EL3HLT", "level 3 halted"},
+	{40, "EL3RST", "level 3 reset"},
+	{41, "ELNRNG", "link number out of range"},
+	{42, "EUNATCH", "protocol driver not attached"},
+	{43, "ENOCSI", "no CSI structure available"},
+	{44, "EL2HLT", "level 2 halted"},
+	{45, "EDEADLK", "deadlock situation detected/avoided"},
+	{46, "ENOLCK", "no record locks available"},
+	{47, "ECANCELED", "operation canceled"},
+	{48, "ENOTSUP", "operation not supported"},
+	{49, "EDQUOT", "disc quota exceeded"},
+	{50, "EBADE", "bad exchange descriptor"},
+	{51, "EBADR", "bad request descriptor"},
+	{52, "EXFULL", "message tables full"},
+	{53, "ENOANO", "anode table overflow"},
+	{54, "EBADRQC", "bad request code"},
+	{55, "EBADSLT", "invalid slot"},
+	{56, "EDEADLOCK", "file locking deadlock"},
+	{57, "EBFONT", "bad font file format"},
+	{58, "EOWNERDEAD", "owner of the lock died"},
+	{59, "ENOTRECOVERABLE", "lock is not recoverable"},
+	{60, "ENOSTR", "not a stream device"},
+	{61, "ENODATA", "no data available"},
+	{62, "ETIME", "timer expired"},
+	{63, "ENOSR", "out of stream resources"},
+	{64, "ENONET", "machine is not on the network"},
+	{65, "ENOPKG", "package not installed"},
+	{66, "EREMOTE", "object is remote"},
+	{67, "ENOLINK", "link has been severed"},
+	{68, "EADV", "advertise error"},
+	{69, "ESRMNT", "srmount error"},
+	{70, "ECOMM", "communication error on send"},
+	{71, "EPROTO", "protocol error"},
+	{72, "ELOCKUNMAPPED", "locked lock was unmapped "},
+	{73, "ENOTACTIVE", "facility is not active"},
+	{74, "EMULTIHOP", "multihop attempted"},
+	{77, "EBADMSG", "not a data message"},
+	{78, "ENAMETOOLONG", "file name too long"},
+	{79, "EOVERFLOW", "value too large for defined data type"},
+	{80, "ENOTUNIQ", "name not unique on network"},
+	{81, "EBADFD", "file descriptor in bad state"},
+	{82, "EREMCHG", "remote address changed"},
+	{83, "ELIBACC", "can not access a needed shared library"},
+	{84, "ELIBBAD", "accessing a corrupted shared library"},
+	{85, "ELIBSCN", ".lib section in a.out corrupted"},
+	{86, "ELIBMAX", "attempting to link in more shared libraries than system limit"},
+	{87, "ELIBEXEC", "can not exec a shared library directly"},
+	{88, "EILSEQ", "illegal byte sequence"},
+	{89, "ENOSYS", "operation not applicable"},
+	{90, "ELOOP", "number of symbolic links encountered during path name traversal exceeds MAXSYMLINKS"},
+	{91, "ERESTART", "error 91"},
+	{92, "ESTRPIPE", "error 92"},
+	{93, "ENOTEMPTY", "directory not empty"},
+	{94, "EUSERS", "too many users"},
+	{95, "ENOTSOCK", "socket operation on non-socket"},
+	{96, "EDESTADDRREQ", "destination address required"},
+	{97, "EMSGSIZE", "message too long"},
+	{98, "EPROTOTYPE", "protocol wrong type for socket"},
+	{99, "ENOPROTOOPT", "option not supported by protocol"},
+	{120, "EPROTONOSUPPORT", "protocol not supported"},
+	{121, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{122, "EOPNOTSUPP", "operation not supported on transport endpoint"},
+	{123, "EPFNOSUPPORT", "protocol family not supported"},
+	{124, "EAFNOSUPPORT", "address family not supported by protocol family"},
+	{125, "EADDRINUSE", "address already in use"},
+	{126, "EADDRNOTAVAIL", "cannot assign requested address"},
+	{127, "ENETDOWN", "network is down"},
+	{128, "ENETUNREACH", "network is unreachable"},
+	{129, "ENETRESET", "network dropped connection because of reset"},
+	{130, "ECONNABORTED", "software caused connection abort"},
+	{131, "ECONNRESET", "connection reset by peer"},
+	{132, "ENOBUFS", "no buffer space available"},
+	{133, "EISCONN", "transport endpoint is already connected"},
+	{134, "ENOTCONN", "transport endpoint is not connected"},
+	{143, "ESHUTDOWN", "cannot send after socket shutdown"},
+	{144, "ETOOMANYREFS", "too many references: cannot splice"},
+	{145, "ETIMEDOUT", "connection timed out"},
+	{146, "ECONNREFUSED", "connection refused"},
+	{147, "EHOSTDOWN", "host is down"},
+	{148, "EHOSTUNREACH", "no route to host"},
+	{149, "EALREADY", "operation already in progress"},
+	{150, "EINPROGRESS", "operation now in progress"},
+	{151, "ESTALE", "stale NFS file handle"},
 }
 
 // Signal table
-var signals = [...]string{
-	1:  "hangup",
-	2:  "interrupt",
-	3:  "quit",
-	4:  "illegal Instruction",
-	5:  "trace/Breakpoint Trap",
-	6:  "abort",
-	7:  "emulation Trap",
-	8:  "arithmetic Exception",
-	9:  "killed",
-	10: "bus Error",
-	11: "segmentation Fault",
-	12: "bad System Call",
-	13: "broken Pipe",
-	14: "alarm Clock",
-	15: "terminated",
-	16: "user Signal 1",
-	17: "user Signal 2",
-	18: "child Status Changed",
-	19: "power-Fail/Restart",
-	20: "window Size Change",
-	21: "urgent Socket Condition",
-	22: "pollable Event",
-	23: "stopped (signal)",
-	24: "stopped (user)",
-	25: "continued",
-	26: "stopped (tty input)",
-	27: "stopped (tty output)",
-	28: "virtual Timer Expired",
-	29: "profiling Timer Expired",
-	30: "cpu Limit Exceeded",
-	31: "file Size Limit Exceeded",
-	32: "no runnable lwp",
-	33: "inter-lwp signal",
-	34: "checkpoint Freeze",
-	35: "checkpoint Thaw",
-	36: "thread Cancellation",
-	37: "resource Lost",
-	38: "resource Control Exceeded",
-	39: "reserved for JVM 1",
-	40: "reserved for JVM 2",
-	41: "information Request",
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal Instruction"},
+	{5, "SIGTRAP", "trace/Breakpoint Trap"},
+	{6, "SIGABRT", "abort"},
+	{7, "SIGEMT", "emulation Trap"},
+	{8, "SIGFPE", "arithmetic Exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus Error"},
+	{11, "SIGSEGV", "segmentation Fault"},
+	{12, "SIGSYS", "bad System Call"},
+	{13, "SIGPIPE", "broken Pipe"},
+	{14, "SIGALRM", "alarm Clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGUSR1", "user Signal 1"},
+	{17, "SIGUSR2", "user Signal 2"},
+	{18, "SIGCHLD", "child Status Changed"},
+	{19, "SIGPWR", "power-Fail/Restart"},
+	{20, "SIGWINCH", "window Size Change"},
+	{21, "SIGURG", "urgent Socket Condition"},
+	{22, "SIGIO", "pollable Event"},
+	{23, "SIGSTOP", "stopped (signal)"},
+	{24, "SIGTSTP", "stopped (user)"},
+	{25, "SIGCONT", "continued"},
+	{26, "SIGTTIN", "stopped (tty input)"},
+	{27, "SIGTTOU", "stopped (tty output)"},
+	{28, "SIGVTALRM", "virtual Timer Expired"},
+	{29, "SIGPROF", "profiling Timer Expired"},
+	{30, "SIGXCPU", "cpu Limit Exceeded"},
+	{31, "SIGXFSZ", "file Size Limit Exceeded"},
+	{32, "SIGWAITING", "no runnable lwp"},
+	{33, "SIGLWP", "inter-lwp signal"},
+	{34, "SIGFREEZE", "checkpoint Freeze"},
+	{35, "SIGTHAW", "checkpoint Thaw"},
+	{36, "SIGCANCEL", "thread Cancellation"},
+	{37, "SIGLOST", "resource Lost"},
+	{38, "SIGXRES", "resource Control Exceeded"},
+	{39, "SIGJVM1", "reserved for JVM 1"},
+	{40, "SIGJVM2", "reserved for JVM 2"},
+	{41, "SIGINFO", "information Request"},
 }