lib/libsysdecode/mkioctls

   1 #!/bin/sh
   2 #
   3 # $FreeBSD$
   4
   5 set -e
   6
   7 if [ $# -ne 1 ]; then
   8         echo "usage: sh $0 include-dir"
   9         exit 1
  10 fi
  11
  12 includedir="$1"
  13
  14 LC_ALL=C; export LC_ALL
  15
  16 # Build a list of headers that have ioctls in them.
  17 # XXX should we use an ANSI cpp?
  18 ioctl_includes=$(
  19         cd $includedir
  20
  21         filter='tee'
  22         if [ "${MK_PF}" == "no" ]; then
  23                 filter='egrep -v (net/pfvar|net/if_pfsync)\.h'
  24         fi
  25
  26         find -H -s * -name '*.h' | \
  27                 $filter | \
  28                 xargs egrep -l \
  29 '^#[    ]*define[       ]+[A-Za-z_][A-Za-z0-9_]*[       ]+_IO[^a-z0-9_]' |
  30                 awk '{printf("#include <%s>\\n", $1)}'
  31 )
  32
  33 awk -v x="$ioctl_includes" 'BEGIN {print x}' |
  34         $CPP -nostdinc -I$includedir -dM -DCOMPAT_43TTY - |
  35         awk -v ioctl_includes="$ioctl_includes" '
  36 BEGIN {
  37         print "/* XXX obnoxious prerequisites. */"
  38         print "#define COMPAT_43"
  39         print "#define COMPAT_43TTY"
  40         print "#include <sys/param.h>"
  41         print "#include <sys/devicestat.h>"
  42         print "#include <sys/disklabel.h>"
  43         print "#include <sys/socket.h>"
  44         print "#include <sys/time.h>"
  45         print "#include <sys/tty.h>"
  46         print "#include <bsm/audit.h>"
  47         print "#include <net/ethernet.h>"
  48         print "#include <net/if.h>"
  49         print "#ifdef PF"
  50         print "#include <net/pfvar.h>"
  51         print "#include <net/if_pfsync.h>"
  52         print "#endif"
  53         print "#include <net/route.h>"
  54         print "#include <netinet/in.h>"
  55         print "#include <netinet/ip_mroute.h>"
  56         print "#include <netinet6/in6_var.h>"
  57         print "#include <netinet6/nd6.h>"
  58         print "#include <netinet6/ip6_mroute.h>"
  59         print "#include <stdio.h>"
  60         print "#include <cam/cam.h>"
  61         print "#include <stdbool.h>"
  62         print "#include <stddef.h>"
  63         print "#include <stdint.h>"
  64         print "#include <sysdecode.h>"
  65         print ""
  66         print ioctl_includes
  67         print ""
  68         print "const char *"
  69         print "sysdecode_ioctlname(unsigned long val)"
  70         print "{"
  71         print "\tconst char *str = NULL;"
  72         print ""
  73 }
  74
  75 /^#[    ]*define[       ]+[A-Za-z_][A-Za-z0-9_]*[       ]+_IO/ {
  76
  77         # find where the name starts
  78         for (i = 1; i <= NF; i++)
  79                 if ($i ~ /define/)
  80                         break;
  81         ++i;
  82         #
  83         printf("\t");
  84         if (n++ > 0)
  85                 printf("else ");
  86         printf("if (val == %s)\n", $i);
  87         printf("\t\tstr = \"%s\";\n", $i);
  88 }
  89 END {
  90         print ""
  91         print "\treturn (str);"
  92         print "}"
  93 }
  94 '