usr.bin/kdump/mkioctls

   1 set -e
   2
   3 # $FreeBSD$
   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 ioctl_includes=`
  22         cd $1
  23         find -H -s * -name '*.h' |
  24                 xargs egrep -l \
  25 '^#[    ]*define[       ]+[A-Za-z_][A-Za-z0-9_]*[       ]+_IO[^a-z0-9_]' |
  26                 awk '{printf("#include <%s>\\\\n", $1)}'
  27 `
  28
  29 awk -v x="$ioctl_includes" 'BEGIN {print x}' |
  30         gcc -E -I$1 -dM - |
  31         awk -v ioctl_includes="$ioctl_includes" -v use_switch="$use_switch" '
  32 BEGIN {
  33         print "/* XXX obnoxious prerequisites. */"
  34         print "#define COMPAT_43"
  35         print "#include <sys/param.h>"
  36         print "#include <sys/devicestat.h>"
  37         print "#include <sys/disklabel.h>"
  38         print "#include <sys/socket.h>"
  39         print "#include <sys/time.h>"
  40         print "#include <sys/tty.h>"
  41         print "#include <bsm/audit.h>"
  42         print "#include <net/ethernet.h>"
  43         print "#include <net/if.h>"
  44         print "#include <net/if_var.h>"
  45         print "#include <net/pfvar.h>"
  46         print "#include <net/route.h>"
  47         print "#include <netinet/in.h>"
  48         print "#include <netinet/ip_mroute.h>"
  49         print "#include <netinet6/in6_var.h>"
  50         print "#include <netinet6/nd6.h>"
  51         print "#include <netinet6/ip6_mroute.h>"
  52         print "#include <stdio.h>"
  53         print "#include <cam/cam.h>"
  54         print ""
  55         print "const char *ioctlname(u_long val);"
  56         print ""
  57         print ioctl_includes
  58         print ""
  59         print "const char *"
  60         print "ioctlname(u_long val)"
  61         print "{"
  62         print ""
  63         if (use_switch)
  64                 print "\tswitch(val) {"
  65 }
  66
  67 /^#[    ]*define[       ]+[A-Za-z_][A-Za-z0-9_]*[       ]+_IO/ {
  68
  69         # find where the name starts
  70         for (i = 1; i <= NF; i++)
  71                 if ($i ~ /define/)
  72                         break;
  73         ++i;
  74         #
  75         if (use_switch)
  76                 printf("\tcase %s:\n\t\treturn(\"%s\");\n", $i, $i);
  77         else
  78                 printf("\tif (val ==  %s)\n\t\treturn(\"%s\");\n", $i, $i);
  79
  80 }
  81 END {
  82         if (use_switch)
  83                 print "\t}"
  84         print "\n\treturn(NULL);"
  85         print "}"
  86 }
  87 '