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1 files changed, 805 insertions, 0 deletions

diff --git a/vendor/golang.org/x/sys/unix/mkerrors.sh b/vendor/golang.org/x/sys/unix/mkerrors.sh
new file mode 100644
index 0000000..6ab02b6
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/mkerrors.sh
@@ -0,0 +1,805 @@
+#!/usr/bin/env bash
+# Copyright 2009 The Go Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+# Generate Go code listing errors and other #defined constant
+# values (ENAMETOOLONG etc.), by asking the preprocessor
+# about the definitions.
+
+unset LANG
+export LC_ALL=C
+export LC_CTYPE=C
+
+if test -z "$GOARCH" -o -z "$GOOS"; then
+        echo 1>&2 "GOARCH or GOOS not defined in environment"
+        exit 1
+fi
+
+# Check that we are using the new build system if we should
+if [[ "$GOOS" = "linux" ]] && [[ "$GOLANG_SYS_BUILD" != "docker" ]]; then
+        echo 1>&2 "In the Docker based build system, mkerrors should not be called directly."
+        echo 1>&2 "See README.md"
+        exit 1
+fi
+
+if [[ "$GOOS" = "aix" ]]; then
+        CC=${CC:-gcc}
+else
+        CC=${CC:-cc}
+fi
+
+if [[ "$GOOS" = "solaris" ]]; then
+        # Assumes GNU versions of utilities in PATH.
+        export PATH=/usr/gnu/bin:$PATH
+fi
+
+uname=$(uname)
+
+includes_AIX='
+#include <net/if.h>
+#include <net/netopt.h>
+#include <netinet/ip_mroute.h>
+#include <sys/protosw.h>
+#include <sys/stropts.h>
+#include <sys/mman.h>
+#include <sys/poll.h>
+#include <sys/select.h>
+#include <sys/termio.h>
+#include <termios.h>
+#include <fcntl.h>
+
+#define AF_LOCAL AF_UNIX
+'
+
+includes_Darwin='
+#define _DARWIN_C_SOURCE
+#define KERNEL 1
+#define _DARWIN_USE_64_BIT_INODE
+#define __APPLE_USE_RFC_3542
+#include <stdint.h>
+#include <sys/stdio.h>
+#include <sys/attr.h>
+#include <sys/clonefile.h>
+#include <sys/kern_control.h>
+#include <sys/types.h>
+#include <sys/event.h>
+#include <sys/ptrace.h>
+#include <sys/select.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/un.h>
+#include <sys/sockio.h>
+#include <sys/sys_domain.h>
+#include <sys/sysctl.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/utsname.h>
+#include <sys/wait.h>
+#include <sys/xattr.h>
+#include <sys/vsock.h>
+#include <net/bpf.h>
+#include <net/if.h>
+#include <net/if_types.h>
+#include <net/route.h>
+#include <netinet/in.h>
+#include <netinet/ip.h>
+#include <termios.h>
+
+// for backwards compatibility because moved TIOCREMOTE to Kernel.framework after MacOSX12.0.sdk.
+#define TIOCREMOTE 0x80047469
+'
+
+includes_DragonFly='
+#include <sys/types.h>
+#include <sys/event.h>
+#include <sys/select.h>
+#include <sys/socket.h>
+#include <sys/sockio.h>
+#include <sys/stat.h>
+#include <sys/sysctl.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/wait.h>
+#include <sys/ioctl.h>
+#include <net/bpf.h>
+#include <net/if.h>
+#include <net/if_clone.h>
+#include <net/if_types.h>
+#include <net/route.h>
+#include <netinet/in.h>
+#include <termios.h>
+#include <netinet/ip.h>
+#include <net/ip_mroute/ip_mroute.h>
+'
+
+includes_FreeBSD='
+#include <sys/capsicum.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/disk.h>
+#include <sys/event.h>
+#include <sys/sched.h>
+#include <sys/select.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/sockio.h>
+#include <sys/stat.h>
+#include <sys/sysctl.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/wait.h>
+#include <sys/ioctl.h>
+#include <sys/ptrace.h>
+#include <net/bpf.h>
+#include <net/if.h>
+#include <net/if_types.h>
+#include <net/route.h>
+#include <netinet/in.h>
+#include <termios.h>
+#include <netinet/ip.h>
+#include <netinet/ip_mroute.h>
+#include <sys/extattr.h>
+
+#if __FreeBSD__ >= 10
+#define IFT_CARP        0xf8    // IFT_CARP is deprecated in FreeBSD 10
+#undef SIOCAIFADDR
+#define SIOCAIFADDR     _IOW(105, 26, struct oifaliasreq)       // ifaliasreq contains if_data
+#undef SIOCSIFPHYADDR
+#define SIOCSIFPHYADDR  _IOW(105, 70, struct oifaliasreq)       // ifaliasreq contains if_data
+#endif
+'
+
+includes_Linux='
+#define _LARGEFILE_SOURCE
+#define _LARGEFILE64_SOURCE
+#ifndef __LP64__
+#define _FILE_OFFSET_BITS 64
+#endif
+#define _GNU_SOURCE
+
+// See the description in unix/linux/types.go
+#if defined(__ARM_EABI__) || \
+        (defined(__mips__) && (_MIPS_SIM == _ABIO32)) || \
+        (defined(__powerpc__) && (!defined(__powerpc64__)))
+# ifdef   _TIME_BITS
+#  undef  _TIME_BITS
+# endif
+# define  _TIME_BITS 32
+#endif
+
+// <sys/ioctl.h> is broken on powerpc64, as it fails to include definitions of
+// these structures. We just include them copied from <bits/termios.h>.
+#if defined(__powerpc__)
+struct sgttyb {
+        char    sg_ispeed;
+        char    sg_ospeed;
+        char    sg_erase;
+        char    sg_kill;
+        short   sg_flags;
+};
+
+struct tchars {
+        char    t_intrc;
+        char    t_quitc;
+        char    t_startc;
+        char    t_stopc;
+        char    t_eofc;
+        char    t_brkc;
+};
+
+struct ltchars {
+        char    t_suspc;
+        char    t_dsuspc;
+        char    t_rprntc;
+        char    t_flushc;
+        char    t_werasc;
+        char    t_lnextc;
+};
+#endif
+
+#include <bits/sockaddr.h>
+#include <sys/epoll.h>
+#include <sys/eventfd.h>
+#include <sys/inotify.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/prctl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/select.h>
+#include <sys/signalfd.h>
+#include <sys/socket.h>
+#include <sys/timerfd.h>
+#include <sys/uio.h>
+#include <sys/xattr.h>
+#include <netinet/udp.h>
+#include <linux/audit.h>
+#include <linux/bpf.h>
+#include <linux/can.h>
+#include <linux/can/error.h>
+#include <linux/can/netlink.h>
+#include <linux/can/raw.h>
+#include <linux/capability.h>
+#include <linux/cryptouser.h>
+#include <linux/devlink.h>
+#include <linux/dm-ioctl.h>
+#include <linux/errqueue.h>
+#include <linux/ethtool_netlink.h>
+#include <linux/falloc.h>
+#include <linux/fanotify.h>
+#include <linux/fib_rules.h>
+#include <linux/filter.h>
+#include <linux/fs.h>
+#include <linux/fscrypt.h>
+#include <linux/fsverity.h>
+#include <linux/genetlink.h>
+#include <linux/hdreg.h>
+#include <linux/hidraw.h>
+#include <linux/if.h>
+#include <linux/if_addr.h>
+#include <linux/if_alg.h>
+#include <linux/if_arp.h>
+#include <linux/if_ether.h>
+#include <linux/if_ppp.h>
+#include <linux/if_tun.h>
+#include <linux/if_packet.h>
+#include <linux/if_xdp.h>
+#include <linux/input.h>
+#include <linux/kcm.h>
+#include <linux/kexec.h>
+#include <linux/keyctl.h>
+#include <linux/landlock.h>
+#include <linux/loop.h>
+#include <linux/lwtunnel.h>
+#include <linux/magic.h>
+#include <linux/memfd.h>
+#include <linux/module.h>
+#include <linux/mount.h>
+#include <linux/netfilter/nfnetlink.h>
+#include <linux/netfilter/nf_tables.h>
+#include <linux/netlink.h>
+#include <linux/net_namespace.h>
+#include <linux/nfc.h>
+#include <linux/nsfs.h>
+#include <linux/perf_event.h>
+#include <linux/pps.h>
+#include <linux/ptp_clock.h>
+#include <linux/ptrace.h>
+#include <linux/random.h>
+#include <linux/reboot.h>
+#include <linux/rtc.h>
+#include <linux/rtnetlink.h>
+#include <linux/sched.h>
+#include <linux/seccomp.h>
+#include <linux/serial.h>
+#include <linux/sock_diag.h>
+#include <linux/sockios.h>
+#include <linux/taskstats.h>
+#include <linux/tipc.h>
+#include <linux/vm_sockets.h>
+#include <linux/wait.h>
+#include <linux/watchdog.h>
+#include <linux/wireguard.h>
+
+#include <mtd/ubi-user.h>
+#include <mtd/mtd-user.h>
+#include <net/route.h>
+
+#if defined(__sparc__)
+// On sparc{,64}, the kernel defines struct termios2 itself which clashes with the
+// definition in glibc. As only the error constants are needed here, include the
+// generic termibits.h (which is included by termbits.h on sparc).
+#include <asm-generic/termbits.h>
+#else
+#include <asm/termbits.h>
+#endif
+
+#ifndef PTRACE_GETREGS
+#define PTRACE_GETREGS  0xc
+#endif
+
+#ifndef PTRACE_SETREGS
+#define PTRACE_SETREGS  0xd
+#endif
+
+#ifdef SOL_BLUETOOTH
+// SPARC includes this in /usr/include/sparc64-linux-gnu/bits/socket.h
+// but it is already in bluetooth_linux.go
+#undef SOL_BLUETOOTH
+#endif
+
+// Certain constants are missing from the fs/crypto UAPI
+#define FS_KEY_DESC_PREFIX              "fscrypt:"
+#define FS_KEY_DESC_PREFIX_SIZE         8
+#define FS_MAX_KEY_SIZE                 64
+
+// The code generator produces -0x1 for (~0), but an unsigned value is necessary
+// for the tipc_subscr timeout __u32 field.
+#undef TIPC_WAIT_FOREVER
+#define TIPC_WAIT_FOREVER 0xffffffff
+
+// Copied from linux/netfilter/nf_nat.h
+// Including linux/netfilter/nf_nat.h here causes conflicts between linux/in.h
+// and netinet/in.h.
+#define NF_NAT_RANGE_MAP_IPS                    (1 << 0)
+#define NF_NAT_RANGE_PROTO_SPECIFIED            (1 << 1)
+#define NF_NAT_RANGE_PROTO_RANDOM               (1 << 2)
+#define NF_NAT_RANGE_PERSISTENT                 (1 << 3)
+#define NF_NAT_RANGE_PROTO_RANDOM_FULLY         (1 << 4)
+#define NF_NAT_RANGE_PROTO_OFFSET               (1 << 5)
+#define NF_NAT_RANGE_NETMAP                     (1 << 6)
+#define NF_NAT_RANGE_PROTO_RANDOM_ALL           \
+        (NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PROTO_RANDOM_FULLY)
+#define NF_NAT_RANGE_MASK                                       \
+        (NF_NAT_RANGE_MAP_IPS | NF_NAT_RANGE_PROTO_SPECIFIED |  \
+         NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PERSISTENT |  \
+         NF_NAT_RANGE_PROTO_RANDOM_FULLY | NF_NAT_RANGE_PROTO_OFFSET | \
+         NF_NAT_RANGE_NETMAP)
+
+// Copied from linux/hid.h.
+// Keep in sync with the size of the referenced fields.
+#define _HIDIOCGRAWNAME_LEN     128 // sizeof_field(struct hid_device, name)
+#define _HIDIOCGRAWPHYS_LEN     64  // sizeof_field(struct hid_device, phys)
+#define _HIDIOCGRAWUNIQ_LEN     64  // sizeof_field(struct hid_device, uniq)
+
+#define _HIDIOCGRAWNAME         HIDIOCGRAWNAME(_HIDIOCGRAWNAME_LEN)
+#define _HIDIOCGRAWPHYS         HIDIOCGRAWPHYS(_HIDIOCGRAWPHYS_LEN)
+#define _HIDIOCGRAWUNIQ         HIDIOCGRAWUNIQ(_HIDIOCGRAWUNIQ_LEN)
+
+'
+
+includes_NetBSD='
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/event.h>
+#include <sys/extattr.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/sched.h>
+#include <sys/select.h>
+#include <sys/socket.h>
+#include <sys/sockio.h>
+#include <sys/sysctl.h>
+#include <sys/termios.h>
+#include <sys/ttycom.h>
+#include <sys/wait.h>
+#include <net/bpf.h>
+#include <net/if.h>
+#include <net/if_types.h>
+#include <net/route.h>
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <netinet/ip_mroute.h>
+#include <netinet/if_ether.h>
+
+// Needed since <sys/param.h> refers to it...
+#define schedppq 1
+'
+
+includes_OpenBSD='
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/event.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/select.h>
+#include <sys/sched.h>
+#include <sys/socket.h>
+#include <sys/sockio.h>
+#include <sys/stat.h>
+#include <sys/sysctl.h>
+#include <sys/termios.h>
+#include <sys/ttycom.h>
+#include <sys/unistd.h>
+#include <sys/wait.h>
+#include <net/bpf.h>
+#include <net/if.h>
+#include <net/if_types.h>
+#include <net/if_var.h>
+#include <net/route.h>
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <netinet/ip_mroute.h>
+#include <netinet/if_ether.h>
+#include <net/if_bridge.h>
+
+// We keep some constants not supported in OpenBSD 5.5 and beyond for
+// the promise of compatibility.
+#define EMUL_ENABLED            0x1
+#define EMUL_NATIVE             0x2
+#define IPV6_FAITH              0x1d
+#define IPV6_OPTIONS            0x1
+#define IPV6_RTHDR_STRICT       0x1
+#define IPV6_SOCKOPT_RESERVED1  0x3
+#define SIOCGIFGENERIC          0xc020693a
+#define SIOCSIFGENERIC          0x80206939
+#define WALTSIG                 0x4
+'
+
+includes_SunOS='
+#include <limits.h>
+#include <sys/types.h>
+#include <sys/select.h>
+#include <sys/socket.h>
+#include <sys/sockio.h>
+#include <sys/stat.h>
+#include <sys/stream.h>
+#include <sys/mman.h>
+#include <sys/wait.h>
+#include <sys/ioctl.h>
+#include <sys/mkdev.h>
+#include <net/bpf.h>
+#include <net/if.h>
+#include <net/if_arp.h>
+#include <net/if_types.h>
+#include <net/route.h>
+#include <netinet/icmp6.h>
+#include <netinet/in.h>
+#include <netinet/ip.h>
+#include <netinet/ip_mroute.h>
+#include <termios.h>
+'
+
+
+includes='
+#include <sys/types.h>
+#include <sys/file.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netinet/ip.h>
+#include <netinet/ip6.h>
+#include <netinet/tcp.h>
+#include <errno.h>
+#include <sys/signal.h>
+#include <signal.h>
+#include <sys/resource.h>
+#include <time.h>
+'
+ccflags="$@"
+
+# Write go tool cgo -godefs input.
+(
+        echo package unix
+        echo
+        echo '/*'
+        indirect="includes_$(uname)"
+        echo "${!indirect} $includes"
+        echo '*/'
+        echo 'import "C"'
+        echo 'import "syscall"'
+        echo
+        echo 'const ('
+
+        # The gcc command line prints all the #defines
+        # it encounters while processing the input
+        echo "${!indirect} $includes" | $CC -x c - -E -dM $ccflags |
+        awk '
+                $1 != "#define" || $2 ~ /\(/ || $3 == "" {next}
+
+                $2 ~ /^E([ABCD]X|[BIS]P|[SD]I|S|FL)$/ {next}  # 386 registers
+                $2 ~ /^(SIGEV_|SIGSTKSZ|SIGRT(MIN|MAX))/ {next}
+                $2 ~ /^(SCM_SRCRT)$/ {next}
+                $2 ~ /^(MAP_FAILED)$/ {next}
+                $2 ~ /^ELF_.*$/ {next}# <asm/elf.h> contains ELF_ARCH, etc.
+
+                $2 ~ /^EXTATTR_NAMESPACE_NAMES/ ||
+                $2 ~ /^EXTATTR_NAMESPACE_[A-Z]+_STRING/ {next}
+
+                $2 !~ /^ECCAPBITS/ &&
+                $2 !~ /^ETH_/ &&
+                $2 !~ /^EPROC_/ &&
+                $2 !~ /^EQUIV_/ &&
+                $2 !~ /^EXPR_/ &&
+                $2 !~ /^EVIOC/ &&
+                $2 ~ /^E[A-Z0-9_]+$/ ||
+                $2 ~ /^B[0-9_]+$/ ||
+                $2 ~ /^(OLD|NEW)DEV$/ ||
+                $2 == "BOTHER" ||
+                $2 ~ /^CI?BAUD(EX)?$/ ||
+                $2 == "IBSHIFT" ||
+                $2 ~ /^V[A-Z0-9]+$/ ||
+                $2 ~ /^CS[A-Z0-9]/ ||
+                $2 ~ /^I(SIG|CANON|CRNL|UCLC|EXTEN|MAXBEL|STRIP|UTF8)$/ ||
+                $2 ~ /^IGN/ ||
+                $2 ~ /^IX(ON|ANY|OFF)$/ ||
+                $2 ~ /^IN(LCR|PCK)$/ ||
+                $2 !~ "X86_CR3_PCID_NOFLUSH" &&
+                $2 ~ /(^FLU?SH)|(FLU?SH$)/ ||
+                $2 ~ /^C(LOCAL|READ|MSPAR|RTSCTS)$/ ||
+                $2 == "BRKINT" ||
+                $2 == "HUPCL" ||
+                $2 == "PENDIN" ||
+                $2 == "TOSTOP" ||
+                $2 == "XCASE" ||
+                $2 == "ALTWERASE" ||
+                $2 == "NOKERNINFO" ||
+                $2 == "NFDBITS" ||
+                $2 ~ /^PAR/ ||
+                $2 ~ /^SIG[^_]/ ||
+                $2 ~ /^O[CNPFPL][A-Z]+[^_][A-Z]+$/ ||
+                $2 ~ /^(NL|CR|TAB|BS|VT|FF)DLY$/ ||
+                $2 ~ /^(NL|CR|TAB|BS|VT|FF)[0-9]$/ ||
+                $2 ~ /^O?XTABS$/ ||
+                $2 ~ /^TC[IO](ON|OFF)$/ ||
+                $2 ~ /^IN_/ ||
+                $2 ~ /^KCM/ ||
+                $2 ~ /^LANDLOCK_/ ||
+                $2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
+                $2 ~ /^LO_(KEY|NAME)_SIZE$/ ||
+                $2 ~ /^LOOP_(CLR|CTL|GET|SET)_/ ||
+                $2 == "LOOP_CONFIGURE" ||
+                $2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|TCP|MCAST|EVFILT|NOTE|SHUT|PROT|MAP|MREMAP|MFD|T?PACKET|MSG|SCM|MCL|DT|MADV|PR|LOCAL|TCPOPT|UDP)_/ ||
+                $2 ~ /^NFC_(GENL|PROTO|COMM|RF|SE|DIRECTION|LLCP|SOCKPROTO)_/ ||
+                $2 ~ /^NFC_.*_(MAX)?SIZE$/ ||
+                $2 ~ /^PTP_/ ||
+                $2 ~ /^RAW_PAYLOAD_/ ||
+                $2 ~ /^[US]F_/ ||
+                $2 ~ /^TP_STATUS_/ ||
+                $2 ~ /^FALLOC_/ ||
+                $2 ~ /^ICMPV?6?_(FILTER|SEC)/ ||
+                $2 == "SOMAXCONN" ||
+                $2 == "NAME_MAX" ||
+                $2 == "IFNAMSIZ" ||
+                $2 ~ /^CTL_(HW|KERN|MAXNAME|NET|QUERY)$/ ||
+                $2 ~ /^KERN_(HOSTNAME|OS(RELEASE|TYPE)|VERSION)$/ ||
+                $2 ~ /^HW_MACHINE$/ ||
+                $2 ~ /^SYSCTL_VERS/ ||
+                $2 !~ "MNT_BITS" &&
+                $2 ~ /^(MS|MNT|MOUNT|UMOUNT)_/ ||
+                $2 ~ /^NS_GET_/ ||
+                $2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ ||
+                $2 ~ /^(O|F|[ES]?FD|NAME|S|PTRACE|PT|PIOD|TFD)_/ ||
+                $2 ~ /^KEXEC_/ ||
+                $2 ~ /^LINUX_REBOOT_CMD_/ ||
+                $2 ~ /^LINUX_REBOOT_MAGIC[12]$/ ||
+                $2 ~ /^MODULE_INIT_/ ||
+                $2 !~ "NLA_TYPE_MASK" &&
+                $2 !~ /^RTC_VL_(ACCURACY|BACKUP|DATA)/ &&
+                $2 ~ /^(NETLINK|NLM|NLMSG|NLA|IFA|IFAN|RT|RTC|RTCF|RTN|RTPROT|RTNH|ARPHRD|ETH_P|NETNSA)_/ ||
+                $2 ~ /^SOCK_|SK_DIAG_|SKNLGRP_$/ ||
+                $2 ~ /^(CONNECT|SAE)_/ ||
+                $2 ~ /^FIORDCHK$/ ||
+                $2 ~ /^SIOC/ ||
+                $2 ~ /^TIOC/ ||
+                $2 ~ /^TCGET/ ||
+                $2 ~ /^TCSET/ ||
+                $2 ~ /^TC(FLSH|SBRKP?|XONC)$/ ||
+                $2 !~ "RTF_BITS" &&
+                $2 ~ /^(IFF|IFT|NET_RT|RTM(GRP)?|RTF|RTV|RTA|RTAX)_/ ||
+                $2 ~ /^BIOC/ ||
+                $2 ~ /^DIOC/ ||
+                $2 ~ /^RUSAGE_(SELF|CHILDREN|THREAD)/ ||
+                $2 ~ /^RLIMIT_(AS|CORE|CPU|DATA|FSIZE|LOCKS|MEMLOCK|MSGQUEUE|NICE|NOFILE|NPROC|RSS|RTPRIO|RTTIME|SIGPENDING|STACK)|RLIM_INFINITY/ ||
+                $2 ~ /^PRIO_(PROCESS|PGRP|USER)/ ||
+                $2 ~ /^CLONE_[A-Z_]+/ ||
+                $2 !~ /^(BPF_TIMEVAL|BPF_FIB_LOOKUP_[A-Z]+|BPF_F_LINK)$/ &&
+                $2 ~ /^(BPF|DLT)_/ ||
+                $2 ~ /^AUDIT_/ ||
+                $2 ~ /^(CLOCK|TIMER)_/ ||
+                $2 ~ /^CAN_/ ||
+                $2 ~ /^CAP_/ ||
+                $2 ~ /^CP_/ ||
+                $2 ~ /^CPUSTATES$/ ||
+                $2 ~ /^CTLIOCGINFO$/ ||
+                $2 ~ /^ALG_/ ||
+                $2 ~ /^FI(CLONE|DEDUPERANGE)/ ||
+                $2 ~ /^FS_(POLICY_FLAGS|KEY_DESC|ENCRYPTION_MODE|[A-Z0-9_]+_KEY_SIZE)/ ||
+                $2 ~ /^FS_IOC_.*(ENCRYPTION|VERITY|[GS]ETFLAGS)/ ||
+                $2 ~ /^FS_VERITY_/ ||
+                $2 ~ /^FSCRYPT_/ ||
+                $2 ~ /^DM_/ ||
+                $2 ~ /^GRND_/ ||
+                $2 ~ /^RND/ ||
+                $2 ~ /^KEY_(SPEC|REQKEY_DEFL)_/ ||
+                $2 ~ /^KEYCTL_/ ||
+                $2 ~ /^PERF_/ ||
+                $2 ~ /^SECCOMP_/ ||
+                $2 ~ /^SEEK_/ ||
+                $2 ~ /^SCHED_/ ||
+                $2 ~ /^SPLICE_/ ||
+                $2 ~ /^SYNC_FILE_RANGE_/ ||
+                $2 !~ /IOC_MAGIC/ &&
+                $2 ~ /^[A-Z][A-Z0-9_]+_MAGIC2?$/ ||
+                $2 ~ /^(VM|VMADDR)_/ ||
+                $2 ~ /^IOCTL_VM_SOCKETS_/ ||
+                $2 ~ /^(TASKSTATS|TS)_/ ||
+                $2 ~ /^CGROUPSTATS_/ ||
+                $2 ~ /^GENL_/ ||
+                $2 ~ /^STATX_/ ||
+                $2 ~ /^RENAME/ ||
+                $2 ~ /^UBI_IOC[A-Z]/ ||
+                $2 ~ /^UTIME_/ ||
+                $2 ~ /^XATTR_(CREATE|REPLACE|NO(DEFAULT|FOLLOW|SECURITY)|SHOWCOMPRESSION)/ ||
+                $2 ~ /^ATTR_(BIT_MAP_COUNT|(CMN|VOL|FILE)_)/ ||
+                $2 ~ /^FSOPT_/ ||
+                $2 ~ /^WDIO[CFS]_/ ||
+                $2 ~ /^NFN/ ||
+                $2 !~ /^NFT_META_IIFTYPE/ &&
+                $2 ~ /^NFT_/ ||
+                $2 ~ /^NF_NAT_/ ||
+                $2 ~ /^XDP_/ ||
+                $2 ~ /^RWF_/ ||
+                $2 ~ /^(HDIO|WIN|SMART)_/ ||
+                $2 ~ /^CRYPTO_/ ||
+                $2 ~ /^TIPC_/ ||
+                $2 !~  "DEVLINK_RELOAD_LIMITS_VALID_MASK" &&
+                $2 ~ /^DEVLINK_/ ||
+                $2 ~ /^ETHTOOL_/ ||
+                $2 ~ /^LWTUNNEL_IP/ ||
+                $2 ~ /^ITIMER_/ ||
+                $2 !~ "WMESGLEN" &&
+                $2 ~ /^W[A-Z0-9]+$/ ||
+                $2 ~ /^P_/ ||
+                $2 ~/^PPPIOC/ ||
+                $2 ~ /^FAN_|FANOTIFY_/ ||
+                $2 == "HID_MAX_DESCRIPTOR_SIZE" ||
+                $2 ~ /^_?HIDIOC/ ||
+                $2 ~ /^BUS_(USB|HIL|BLUETOOTH|VIRTUAL)$/ ||
+                $2 ~ /^MTD/ ||
+                $2 ~ /^OTP/ ||
+                $2 ~ /^MEM/ ||
+                $2 ~ /^WG/ ||
+                $2 ~ /^FIB_RULE_/ ||
+                $2 ~ /^BLK[A-Z]*(GET$|SET$|BUF$|PART$|SIZE|IOMIN$|IOOPT$|ALIGNOFF$|DISCARD|ROTATIONAL$|ZEROOUT$|GETDISKSEQ$)/ {printf("\t%s = C.%s\n", $2, $2)}
+                $2 ~ /^__WCOREFLAG$/ {next}
+                $2 ~ /^__W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", substr($2,3), $2)}
+
+                {next}
+        ' | sort
+
+        echo ')'
+) >_const.go
+
+# Pull out the error names for later.
+errors=$(
+        echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
+        awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print $2 }' |
+        sort
+)
+
+# Pull out the signal names for later.
+signals=$(
+        echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
+        awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }' |
+        grep -E -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT|SIGMAX64)' |
+        sort
+)
+
+# Again, writing regexps to a file.
+echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
+        awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print "^\t" $2 "[ \t]*=" }' |
+        sort >_error.grep
+echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
+        awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print "^\t" $2 "[ \t]*=" }' |
+        grep -E -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT|SIGMAX64)' |
+        sort >_signal.grep
+
+echo '// mkerrors.sh' "$@"
+echo '// Code generated by the command above; see README.md. DO NOT EDIT.'
+echo
+echo "//go:build ${GOARCH} && ${GOOS}"
+echo
+go tool cgo -godefs -- "$@" _const.go >_error.out
+cat _error.out | grep -vf _error.grep | grep -vf _signal.grep
+echo
+echo '// Errors'
+echo 'const ('
+cat _error.out | grep -f _error.grep | sed 's/=\(.*\)/= syscall.Errno(\1)/'
+echo ')'
+
+echo
+echo '// Signals'
+echo 'const ('
+cat _error.out | grep -f _signal.grep | sed 's/=\(.*\)/= syscall.Signal(\1)/'
+echo ')'
+
+# Run C program to print error and syscall strings.
+(
+        echo -E "
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <ctype.h>
+#include <string.h>
+#include <signal.h>
+
+#define nelem(x) (sizeof(x)/sizeof((x)[0]))
+
+enum { A = 'A', Z = 'Z', a = 'a', z = 'z' }; // avoid need for single quotes below
+
+struct tuple {
+        int num;
+        const char *name;
+};
+
+struct tuple errors[] = {
+"
+        for i in $errors
+        do
+                echo -E '       {'$i', "'$i'" },'
+        done
+
+        echo -E "
+};
+
+struct tuple signals[] = {
+"
+        for i in $signals
+        do
+                echo -E '       {'$i', "'$i'" },'
+        done
+
+        # Use -E because on some systems bash builtin interprets \n itself.
+        echo -E '
+};
+
+static int
+tuplecmp(const void *a, const void *b)
+{
+        return ((struct tuple *)a)->num - ((struct tuple *)b)->num;
+}
+
+int
+main(void)
+{
+        int i, e;
+        char buf[1024], *p;
+
+        printf("\n\n// Error table\n");
+        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].num;
+                if(i > 0 && errors[i-1].num == e)
+                        continue;
+                strncpy(buf, strerror(e), sizeof(buf) - 1);
+                buf[sizeof(buf) - 1] = '\0';
+                // 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\", \"%s\" },\n", e, errors[i].name, buf);
+        }
+        printf("}\n\n");
+
+        printf("\n\n// Signal table\n");
+        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].num;
+                if(i > 0 && signals[i-1].num == e)
+                        continue;
+                strncpy(buf, strsignal(e), sizeof(buf) - 1);
+                buf[sizeof(buf) - 1] = '\0';
+                // 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;
+                // cut trailing : number.
+                p = strrchr(buf, ":"[0]);
+                if(p)
+                        *p = '\0';
+                printf("\t{ %d, \"%s\", \"%s\" },\n", e, signals[i].name, buf);
+        }
+        printf("}\n\n");
+
+        return 0;
+}
+
+'
+) >_errors.c
+
+$CC $ccflags -o _errors _errors.c && $GORUN ./_errors && rm -f _errors.c _errors _const.go _error.grep _signal.grep _error.out