usr.bin/kdump/mkioctls

   1 #!/bin/sh
   2 #
   3 # $FreeBSD$
   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 ioctl_includes=`
  24         cd $1
  25         find -H -s * -name '*.h' |
  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         $CPP -I$1 -dM -DCOMPAT_43TTY - |
  33         awk -v ioctl_includes="$ioctl_includes" -v use_switch="$use_switch" '
  34 BEGIN {
  35         print "/* XXX obnoxious prerequisites. */"
  36         print "#define COMPAT_43"
  37         print "#define COMPAT_43TTY"
  38         print "#include <sys/param.h>"
  39         print "#include <sys/devicestat.h>"
  40         print "#include <sys/disklabel.h>"
  41         print "#include <sys/socket.h>"
  42         print "#include <sys/time.h>"
  43         print "#include <sys/tty.h>"
  44         print "#include <bsm/audit.h>"
  45         print "#include <net/ethernet.h>"
  46         print "#include <net/if.h>"
  47         print "#include <net/if_var.h>"
  48         print "#include <net/pfvar.h>"
  49         print "#include <net/route.h>"
  50         print "#include <netinet/in.h>"
  51         print "#include <netinet/ip_mroute.h>"
  52         print "#include <netinet6/in6_var.h>"
  53         print "#include <netinet6/nd6.h>"
  54         print "#include <netinet6/ip6_mroute.h>"
  55         print "#include <stdio.h>"
  56         print "#include <cam/cam.h>"
  57         print "#include <stddef.h>"
  58         print "#include <stdint.h>"
  59         print ""
  60         print "const char *ioctlname(u_long val);"
  61         print ""
  62         print ioctl_includes
  63         print ""
  64         print "const char *"
  65         print "ioctlname(u_long val)"
  66         print "{"
  67         print ""
  68         if (use_switch)
  69                 print "\tswitch(val) {"
  70 }
  71
  72 /^#[    ]*define[       ]+[A-Za-z_][A-Za-z0-9_]*[       ]+_IO/ {
  73
  74         # find where the name starts
  75         for (i = 1; i <= NF; i++)
  76                 if ($i ~ /define/)
  77                         break;
  78         ++i;
  79         #
  80         if (use_switch)
  81                 printf("\tcase %s:\n\t\treturn(\"%s\");\n", $i, $i);
  82         else
  83                 printf("\tif (val ==  %s)\n\t\treturn(\"%s\");\n", $i, $i);
  84
  85 }
  86 END {
  87         if (use_switch)
  88                 print "\t}"
  89         print "\n\treturn(NULL);"
  90         print "}"
  91 }
  92 '