usr.bin/kdump/mkioctls

   1 #!/bin/sh
   2 #
   3 # $FreeBSD: src/usr.bin/kdump/mkioctls,v 1.15.2.5 2002/11/15 18:22:31 ru Exp $
   4
   5 set -e
   6
   7 if [ "x$1" = "x-s" ]; then
   8         use_switch=1
   9         shift
  10 else
  11         use_switch=0
  12 fi
  13
  14 if [ -z "$1" ]; then
  15         echo "usage: sh $0 [-s] include-dir"
  16         exit 1
  17 fi
  18
  19 LC_ALL=C; export LC_ALL
  20
  21 # Build a list of headers that have ioctls in them.
  22 # XXX should we use an ANSI cpp?
  23 # XXX leave out cam/, fs/, netsmb/,
  24 #     and ufs/ because they are fake softlinks
  25 ioctl_includes=`
  26         cd $1
  27         find -s * -name '*.h' -follow |
  28                 egrep -v '^(cam/)|^(fs/)|^(netsmb/)|^(ufs/)' |
  29                 xargs egrep -l \
  30 '^#[    ]*define[       ]+[A-Za-z_][A-Za-z0-9_]*[       ]+_IO[^a-z0-9_]' |
  31                 awk '{printf("#include <%s>\\\\n", $1)}'
  32 `
  33
  34 awk -v x="$ioctl_includes" 'BEGIN {print x}' |
  35         gcc -D_KERNEL_STRUCTURES -E -I$1 -dM - |
  36         awk -v ioctl_includes="$ioctl_includes" -v use_switch="$use_switch" '
  37 BEGIN {
  38         print "/* XXX obnoxious prerequisites. */"
  39         print "#define COMPAT_43"
  40         print "#define _KERNEL_STRUCTURES"
  41         print "#include <sys/tty.h>"
  42         print "#include <net/if_arp.h>"
  43         print "#include <net/route.h>"
  44         print "#include <netinet/in.h>"
  45         print "#include <net/ip_mroute/ip_mroute.h>"
  46         print "#include <netinet6/nd6.h>"
  47         print "#include <netinet6/ip6_mroute.h>"
  48         print "#include <stdio.h>"
  49         print "#include <cam/cam.h>"
  50         print ""
  51         print ioctl_includes
  52         print "const char *ioctlname(u_long);"
  53         print ""
  54         print "const char *"
  55         print "ioctlname(u_long val)"
  56         print "{"
  57         if (use_switch)
  58                 print "\tswitch(val) {"
  59 }
  60
  61 /^#[    ]*define[       ]+[A-Za-z_][A-Za-z0-9_]*[       ]+_IO/ {
  62
  63         # find where the name starts
  64         for (i = 1; i <= NF; i++)
  65                 if ($i ~ /define/)
  66                         break;
  67         ++i;
  68         #
  69         if (use_switch)
  70                 printf("\tcase %s:\n\t\treturn(\"%s\");\n", $i, $i);
  71         else
  72                 printf("\tif (val ==  %s)\n\t\treturn(\"%s\");\n", $i, $i);
  73
  74 }
  75 END {
  76         if (use_switch)
  77                 print "\t}"
  78         print "\n\treturn(NULL);"
  79         print "}"
  80 }
  81 '