usr.bin/kdump/mkioctls

   1 set -e
   2
   3 # $FreeBSD: src/usr.bin/kdump/mkioctls,v 1.15.2.5 2002/11/15 18:22:31 ru Exp $
   4
   5 if [ "x$1" = "x-s" ]; then
   6         use_switch=1
   7         shift
   8 else
   9         use_switch=0
  10 fi
  11
  12 if [ -z "$1" ]; then
  13         echo "usage: sh $0 [-s] include-dir"
  14         exit 1
  15 fi
  16
  17 LC_ALL=C; export LC_ALL
  18
  19 # Build a list of headers that have ioctls in them.
  20 # XXX should we use an ANSI cpp?
  21 # XXX netipx conflicts with netns (leave out netns).
  22 ioctl_includes=`
  23         cd $1
  24         find -s * -name '*.h' -follow |
  25                 egrep -v '^(netns)/' |
  26                 xargs egrep -l \
  27 '^#[    ]*define[       ]+[A-Za-z_][A-Za-z0-9_]*[       ]+_IO[^a-z0-9_]' |
  28                 awk '{printf("#include <%s>\\\\n", $1)}'
  29 `
  30
  31 awk -v x="$ioctl_includes" 'BEGIN {print x}' |
  32         gcc -E -I$1 -dM - |
  33         awk -v ioctl_includes="$ioctl_includes" -v use_switch="$use_switch" '
  34 BEGIN {
  35         print "/* XXX obnoxious prerequisites. */"
  36         print "#define COMPAT_43"
  37         print "#include <sys/param.h>"
  38         print "#include <sys/devicestat.h>"
  39         print "#include <sys/disklabel.h>"
  40         print "#include <sys/socket.h>"
  41         print "#include <sys/time.h>"
  42         print "#include <sys/tty.h>"
  43         print "#include <net/ethernet.h>"
  44         print "#include <net/if.h>"
  45         print "#include <net/if_var.h>"
  46         print "#include <net/route.h>"
  47         print "#include <netatm/atm.h>"
  48         print "#include <netatm/atm_if.h>"
  49         print "#include <netatm/atm_sap.h>"
  50         print "#include <netatm/atm_sys.h>"
  51         print "#include <netinet/in.h>"
  52         print "#include <netinet/ip_mroute.h>"
  53         print "#include <netinet6/in6_var.h>"
  54         print "#include <netinet6/nd6.h>"
  55         print "#include <netinet6/ip6_mroute.h>"
  56         print "#include <cam/cam.h>"
  57         print "#include <stdio.h>"
  58         print ""
  59         print ioctl_includes
  60         print ""
  61         print "char *"
  62         print "ioctlname(register_t val)"
  63         print "{"
  64         print ""
  65         if (use_switch)
  66                 print "\tswitch(val) {"
  67 }
  68
  69 /^#[    ]*define[       ]+[A-Za-z_][A-Za-z0-9_]*[       ]+_IO/ {
  70
  71         # find where the name starts
  72         for (i = 1; i <= NF; i++)
  73                 if ($i ~ /define/)
  74                         break;
  75         ++i;
  76         #
  77         if (use_switch)
  78                 printf("\tcase %s:\n\t\treturn(\"%s\");\n", $i, $i);
  79         else
  80                 printf("\tif (val ==  %s)\n\t\treturn(\"%s\");\n", $i, $i);
  81
  82 }
  83 END {
  84         if (use_switch)
  85                 print "\t}"
  86         print "\n\treturn(NULL);"
  87         print "}"
  88 }
  89 '