655 lines
16 KiB
Bash
655 lines
16 KiB
Bash
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#!/usr/bin/env bash
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# Copyright 2009 The Go Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file.
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# Generate Go code listing errors and other #defined constant
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# values (ENAMETOOLONG etc.), by asking the preprocessor
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# about the definitions.
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unset LANG
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export LC_ALL=C
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export LC_CTYPE=C
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if test -z "$GOARCH" -o -z "$GOOS"; then
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echo 1>&2 "GOARCH or GOOS not defined in environment"
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exit 1
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fi
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# Check that we are using the new build system if we should
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if [[ "$GOOS" = "linux" ]] && [[ "$GOARCH" != "sparc64" ]]; then
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if [[ "$GOLANG_SYS_BUILD" != "docker" ]]; then
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echo 1>&2 "In the new build system, mkerrors should not be called directly."
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echo 1>&2 "See README.md"
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exit 1
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fi
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fi
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if [[ "$GOOS" = "aix" ]]; then
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CC=${CC:-gcc}
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else
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CC=${CC:-cc}
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fi
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if [[ "$GOOS" = "solaris" ]]; then
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# Assumes GNU versions of utilities in PATH.
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export PATH=/usr/gnu/bin:$PATH
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fi
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uname=$(uname)
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includes_AIX='
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#include <net/if.h>
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#include <net/netopt.h>
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#include <netinet/ip_mroute.h>
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#include <sys/protosw.h>
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#include <sys/stropts.h>
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#include <sys/mman.h>
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#include <sys/poll.h>
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#include <sys/termio.h>
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#include <termios.h>
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#include <fcntl.h>
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#define AF_LOCAL AF_UNIX
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'
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includes_Darwin='
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#define _DARWIN_C_SOURCE
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#define KERNEL
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#define _DARWIN_USE_64_BIT_INODE
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#include <stdint.h>
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#include <sys/attr.h>
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#include <sys/types.h>
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#include <sys/event.h>
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#include <sys/ptrace.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <sys/sysctl.h>
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#include <sys/mman.h>
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#include <sys/mount.h>
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#include <sys/utsname.h>
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#include <sys/wait.h>
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#include <sys/xattr.h>
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#include <net/bpf.h>
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#include <net/if.h>
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#include <net/if_types.h>
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#include <net/route.h>
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#include <netinet/in.h>
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#include <netinet/ip.h>
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#include <termios.h>
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'
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includes_DragonFly='
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#include <sys/types.h>
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#include <sys/event.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <sys/stat.h>
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#include <sys/sysctl.h>
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#include <sys/mman.h>
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#include <sys/mount.h>
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#include <sys/wait.h>
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#include <sys/ioctl.h>
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#include <net/bpf.h>
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#include <net/if.h>
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#include <net/if_types.h>
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#include <net/route.h>
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#include <netinet/in.h>
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#include <termios.h>
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#include <netinet/ip.h>
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#include <net/ip_mroute/ip_mroute.h>
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'
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includes_FreeBSD='
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#include <sys/capability.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/event.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <sys/stat.h>
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#include <sys/sysctl.h>
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#include <sys/mman.h>
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#include <sys/mount.h>
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#include <sys/wait.h>
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#include <sys/ioctl.h>
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#include <net/bpf.h>
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#include <net/if.h>
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#include <net/if_types.h>
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#include <net/route.h>
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#include <netinet/in.h>
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#include <termios.h>
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#include <netinet/ip.h>
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#include <netinet/ip_mroute.h>
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#include <sys/extattr.h>
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#if __FreeBSD__ >= 10
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#define IFT_CARP 0xf8 // IFT_CARP is deprecated in FreeBSD 10
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#undef SIOCAIFADDR
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#define SIOCAIFADDR _IOW(105, 26, struct oifaliasreq) // ifaliasreq contains if_data
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#undef SIOCSIFPHYADDR
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#define SIOCSIFPHYADDR _IOW(105, 70, struct oifaliasreq) // ifaliasreq contains if_data
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#endif
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'
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includes_Linux='
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#define _LARGEFILE_SOURCE
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#define _LARGEFILE64_SOURCE
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#ifndef __LP64__
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#define _FILE_OFFSET_BITS 64
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#endif
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#define _GNU_SOURCE
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// <sys/ioctl.h> is broken on powerpc64, as it fails to include definitions of
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// these structures. We just include them copied from <bits/termios.h>.
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#if defined(__powerpc__)
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struct sgttyb {
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char sg_ispeed;
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char sg_ospeed;
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char sg_erase;
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char sg_kill;
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short sg_flags;
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};
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struct tchars {
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char t_intrc;
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char t_quitc;
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char t_startc;
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char t_stopc;
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char t_eofc;
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char t_brkc;
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};
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struct ltchars {
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char t_suspc;
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char t_dsuspc;
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char t_rprntc;
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char t_flushc;
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char t_werasc;
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char t_lnextc;
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};
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#endif
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#include <bits/sockaddr.h>
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#include <sys/epoll.h>
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#include <sys/eventfd.h>
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#include <sys/inotify.h>
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#include <sys/ioctl.h>
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#include <sys/mman.h>
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#include <sys/mount.h>
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#include <sys/prctl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <sys/xattr.h>
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#include <linux/if.h>
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#include <linux/if_alg.h>
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#include <linux/if_arp.h>
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#include <linux/if_ether.h>
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#include <linux/if_tun.h>
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#include <linux/if_packet.h>
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#include <linux/if_addr.h>
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#include <linux/falloc.h>
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#include <linux/filter.h>
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#include <linux/fs.h>
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#include <linux/kexec.h>
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#include <linux/keyctl.h>
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#include <linux/magic.h>
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#include <linux/memfd.h>
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#include <linux/netfilter/nfnetlink.h>
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#include <linux/netlink.h>
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#include <linux/net_namespace.h>
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#include <linux/perf_event.h>
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#include <linux/random.h>
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#include <linux/reboot.h>
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#include <linux/rtnetlink.h>
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#include <linux/ptrace.h>
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#include <linux/sched.h>
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#include <linux/seccomp.h>
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#include <linux/sockios.h>
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#include <linux/wait.h>
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#include <linux/icmpv6.h>
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#include <linux/serial.h>
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#include <linux/can.h>
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#include <linux/vm_sockets.h>
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#include <linux/taskstats.h>
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#include <linux/genetlink.h>
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#include <linux/watchdog.h>
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#include <linux/hdreg.h>
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#include <linux/rtc.h>
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#include <linux/if_xdp.h>
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#include <mtd/ubi-user.h>
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#include <net/route.h>
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#include <asm/termbits.h>
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#ifndef MSG_FASTOPEN
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#define MSG_FASTOPEN 0x20000000
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#endif
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#ifndef PTRACE_GETREGS
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#define PTRACE_GETREGS 0xc
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#endif
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#ifndef PTRACE_SETREGS
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#define PTRACE_SETREGS 0xd
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#endif
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#ifndef SOL_NETLINK
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#define SOL_NETLINK 270
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#endif
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#ifdef SOL_BLUETOOTH
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// SPARC includes this in /usr/include/sparc64-linux-gnu/bits/socket.h
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// but it is already in bluetooth_linux.go
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#undef SOL_BLUETOOTH
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#endif
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// Certain constants are missing from the fs/crypto UAPI
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#define FS_KEY_DESC_PREFIX "fscrypt:"
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#define FS_KEY_DESC_PREFIX_SIZE 8
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#define FS_MAX_KEY_SIZE 64
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// XDP socket constants do not appear to be picked up otherwise.
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// Copied from samples/bpf/xdpsock_user.c.
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#ifndef SOL_XDP
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#define SOL_XDP 283
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#endif
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#ifndef AF_XDP
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#define AF_XDP 44
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#endif
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'
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includes_NetBSD='
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/event.h>
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#include <sys/extattr.h>
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#include <sys/mman.h>
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#include <sys/mount.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <sys/sysctl.h>
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#include <sys/termios.h>
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#include <sys/ttycom.h>
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#include <sys/wait.h>
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#include <net/bpf.h>
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#include <net/if.h>
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#include <net/if_types.h>
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#include <net/route.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/ip_mroute.h>
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#include <netinet/if_ether.h>
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// Needed since <sys/param.h> refers to it...
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#define schedppq 1
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'
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includes_OpenBSD='
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/event.h>
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#include <sys/mman.h>
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#include <sys/mount.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <sys/stat.h>
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#include <sys/sysctl.h>
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#include <sys/termios.h>
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#include <sys/ttycom.h>
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#include <sys/unistd.h>
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#include <sys/wait.h>
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#include <net/bpf.h>
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#include <net/if.h>
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#include <net/if_types.h>
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#include <net/if_var.h>
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#include <net/route.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/ip_mroute.h>
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#include <netinet/if_ether.h>
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#include <net/if_bridge.h>
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// We keep some constants not supported in OpenBSD 5.5 and beyond for
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// the promise of compatibility.
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#define EMUL_ENABLED 0x1
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#define EMUL_NATIVE 0x2
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#define IPV6_FAITH 0x1d
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#define IPV6_OPTIONS 0x1
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#define IPV6_RTHDR_STRICT 0x1
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#define IPV6_SOCKOPT_RESERVED1 0x3
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#define SIOCGIFGENERIC 0xc020693a
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#define SIOCSIFGENERIC 0x80206939
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#define WALTSIG 0x4
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'
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includes_SunOS='
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#include <limits.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <sys/wait.h>
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#include <sys/ioctl.h>
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#include <sys/mkdev.h>
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#include <net/bpf.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/if_types.h>
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#include <net/route.h>
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#include <netinet/in.h>
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#include <termios.h>
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#include <netinet/ip.h>
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#include <netinet/ip_mroute.h>
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'
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includes='
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#include <sys/types.h>
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#include <sys/file.h>
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#include <fcntl.h>
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#include <dirent.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/ip.h>
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#include <netinet/ip6.h>
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#include <netinet/tcp.h>
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#include <errno.h>
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#include <sys/signal.h>
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#include <signal.h>
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#include <sys/resource.h>
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#include <time.h>
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'
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ccflags="$@"
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|
|
# 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_/ &&
|
||
|
|
$2 ~ /^E[A-Z0-9_]+$/ ||
|
||
|
|
$2 ~ /^B[0-9_]+$/ ||
|
||
|
|
$2 ~ /^(OLD|NEW)DEV$/ ||
|
||
|
|
$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 ~ /^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_/ ||
|
||
|
|
$2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
|
||
|
|
$2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|ICMP6|TCP|EVFILT|NOTE|EV|SHUT|PROT|MAP|MFD|T?PACKET|MSG|SCM|MCL|DT|MADV|PR)_/ ||
|
||
|
|
$2 ~ /^TP_STATUS_/ ||
|
||
|
|
$2 ~ /^FALLOC_/ ||
|
||
|
|
$2 == "ICMPV6_FILTER" ||
|
||
|
|
$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|UMOUNT)_/ ||
|
||
|
|
$2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ ||
|
||
|
|
$2 ~ /^(O|F|E?FD|NAME|S|PTRACE|PT)_/ ||
|
||
|
|
$2 ~ /^KEXEC_/ ||
|
||
|
|
$2 ~ /^LINUX_REBOOT_CMD_/ ||
|
||
|
|
$2 ~ /^LINUX_REBOOT_MAGIC[12]$/ ||
|
||
|
|
$2 !~ "NLA_TYPE_MASK" &&
|
||
|
|
$2 ~ /^(NETLINK|NLM|NLMSG|NLA|IFA|IFAN|RT|RTC|RTCF|RTN|RTPROT|RTNH|ARPHRD|ETH_P|NETNSA)_/ ||
|
||
|
|
$2 ~ /^SIOC/ ||
|
||
|
|
$2 ~ /^TIOC/ ||
|
||
|
|
$2 ~ /^TCGET/ ||
|
||
|
|
$2 ~ /^TCSET/ ||
|
||
|
|
$2 ~ /^TC(FLSH|SBRKP?|XONC)$/ ||
|
||
|
|
$2 !~ "RTF_BITS" &&
|
||
|
|
$2 ~ /^(IFF|IFT|NET_RT|RTM|RTF|RTV|RTA|RTAX)_/ ||
|
||
|
|
$2 ~ /^BIOC/ ||
|
||
|
|
$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_]+/ ||
|
||
|
|
$2 !~ /^(BPF_TIMEVAL)$/ &&
|
||
|
|
$2 ~ /^(BPF|DLT)_/ ||
|
||
|
|
$2 ~ /^CLOCK_/ ||
|
||
|
|
$2 ~ /^CAN_/ ||
|
||
|
|
$2 ~ /^CAP_/ ||
|
||
|
|
$2 ~ /^ALG_/ ||
|
||
|
|
$2 ~ /^FS_(POLICY_FLAGS|KEY_DESC|ENCRYPTION_MODE|[A-Z0-9_]+_KEY_SIZE|IOC_(GET|SET)_ENCRYPTION)/ ||
|
||
|
|
$2 ~ /^GRND_/ ||
|
||
|
|
$2 ~ /^KEY_(SPEC|REQKEY_DEFL)_/ ||
|
||
|
|
$2 ~ /^KEYCTL_/ ||
|
||
|
|
$2 ~ /^PERF_EVENT_IOC_/ ||
|
||
|
|
$2 ~ /^SECCOMP_MODE_/ ||
|
||
|
|
$2 ~ /^SPLICE_/ ||
|
||
|
|
$2 ~ /^SYNC_FILE_RANGE_/ ||
|
||
|
|
$2 !~ /^AUDIT_RECORD_MAGIC/ &&
|
||
|
|
$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 ~ /^WDIOC_/ ||
|
||
|
|
$2 ~ /^NFN/ ||
|
||
|
|
$2 ~ /^XDP_/ ||
|
||
|
|
$2 ~ /^(HDIO|WIN|SMART)_/ ||
|
||
|
|
$2 !~ "WMESGLEN" &&
|
||
|
|
$2 ~ /^W[A-Z0-9]+$/ ||
|
||
|
|
$2 ~ /^BLK[A-Z]*(GET$|SET$|BUF$|PART$|SIZE)/ {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 }' |
|
||
|
|
egrep -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" $2 "[ \t]*=" }' |
|
||
|
|
egrep -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT|SIGMAX64)' |
|
||
|
|
sort >_signal.grep
|
||
|
|
|
||
|
|
echo '// mkerrors.sh' "$@"
|
||
|
|
echo '// Code generated by the command above; see README.md. DO NOT EDIT.'
|
||
|
|
echo
|
||
|
|
echo "// +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;
|
||
|
|
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\", \"%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;
|
||
|
|
strcpy(buf, strsignal(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;
|
||
|
|
// 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
|