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 # $DragonFly: src/usr.bin/kdump/mkioctls,v 1.9 2008/01/05 13:36:37 corecode Exp $
   5
   6 if [ "x$1" = "x-s" ]; then
   7         use_switch=1
   8         shift
   9 else
  10         use_switch=0
  11 fi
  12
  13 if [ -z "$1" ]; then
  14         echo "usage: sh $0 [-s] include-dir"
  15         exit 1
  16 fi
  17
  18 LC_ALL=C; export LC_ALL
  19
  20 # Build a list of headers that have ioctls in them.
  21 # XXX should we use an ANSI cpp?
  22 # XXX netipx conflicts with netns (leave out netns).
  23 # XXX leave out cam/, isa/ pccard/, pci/, and usb/ because they
  24 #     are fake softlinks and handled by bus/
  25 ioctl_includes=`
  26         cd $1
  27         find -s * -name '*.h' -follow |
  28                 egrep -v '^(netns/)|^(cam/)|^(isa/)|^(pccard/)|^(pci/)|^(usb/)|^(netproto/natm/)' |
  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="$use_switch" '
  37 BEGIN {
  38         print "/* XXX obnoxious prerequisites. */"
  39         print "#define COMPAT_43"
  40         print "#define _KERNEL_STRUCTURES"
  41         print "#include <sys/param.h>"
  42         print "#include <sys/devicestat.h>"
  43         print "#include <sys/disklabel.h>"
  44         print "#include <sys/diskslice.h>"
  45         print "#include <sys/socket.h>"
  46         print "#include <sys/time.h>"
  47         print "#include <sys/tty.h>"
  48         print "#include <net/ethernet.h>"
  49         print "#include <net/if.h>"
  50         print "#include <net/if_var.h>"
  51         print "#include <net/route.h>"
  52         print "#include <netatm/atm.h>"
  53         print "#include <netatm/atm_if.h>"
  54         print "#include <netatm/atm_sap.h>"
  55         print "#include <netatm/atm_sys.h>"
  56         print "#include <netinet/in.h>"
  57         print "#include <net/ip_mroute/ip_mroute.h>"
  58         print "#include <netinet6/in6_var.h>"
  59         print "#include <netinet6/nd6.h>"
  60         print "#include <netinet6/ip6_mroute.h>"
  61         print "#include <stdio.h>"
  62         print "#include <cam/cam.h>"
  63         print ""
  64         print ioctl_includes
  65         print ""
  66         print "char *"
  67         print "ioctlname(register_t val)"
  68         print "{"
  69         print ""
  70         if (use_switch)
  71                 print "\tswitch(val) {"
  72 }
  73
  74 /^#[    ]*define[       ]+[A-Za-z_][A-Za-z0-9_]*[       ]+_IO/ {
  75
  76         # find where the name starts
  77         for (i = 1; i <= NF; i++)
  78                 if ($i ~ /define/)
  79                         break;
  80         ++i;
  81         #
  82         if (use_switch)
  83                 printf("\tcase %s:\n\t\treturn(\"%s\");\n", $i, $i);
  84         else
  85                 printf("\tif (val ==  %s)\n\t\treturn(\"%s\");\n", $i, $i);
  86
  87 }
  88 END {
  89         if (use_switch)
  90                 print "\t}"
  91         print "\n\treturn(NULL);"
  92         print "}"
  93 }
  94 '