lib/libsysdecode/mkioctls

   1 #!/bin/sh
   2 #
   3 # $FreeBSD$
   4
   5 set -e
   6
   7 if [ $# -ne 1 ]; then
   8         echo "usage: sh $0 include-dir"
   9         exit 1
  10 fi
  11
  12 includedir="$1"
  13
  14 LC_ALL=C; export LC_ALL
  15
  16 # Build a list of headers that have ioctls in them.
  17 # XXX should we use an ANSI cpp?
  18 ioctl_includes=$(
  19         cd $includedir
  20
  21         filter='(.*disk.*)\.h'
  22         if [ "${MK_PF}" == "no" ]; then
  23                 filter="(${filter})|((net/pfvar|net/if_pfsync)\.h)"
  24         fi
  25
  26         find -H -s * -name '*.h' | \
  27                 egrep -v ${filter} | \
  28                 xargs egrep -l \
  29 '^#[    ]*define[       ]+[A-Za-z_][A-Za-z0-9_]*[       ]+_IO[^a-z0-9_]' |
  30                 awk '{printf("#include <%s>\\n", $1)}'
  31 )
  32
  33 : ${MACHINE=$(uname -m)}
  34 case "${MACHINE}" in
  35 *pc98*)
  36         ioctl_includes="$ioctl_includes#include <sys/diskpc98.h>\\n"
  37         ;;
  38 *)
  39         ioctl_includes="$ioctl_includes#include <sys/diskmbr.h>\\n"
  40         ;;
  41 esac
  42
  43 awk -v x="$ioctl_includes" 'BEGIN {print x}' |
  44         $CPP -nostdinc -I$includedir -dM -DCOMPAT_43TTY - |
  45         awk -v ioctl_includes="$ioctl_includes" '
  46 BEGIN {
  47         print "/* XXX obnoxious prerequisites. */"
  48         print "#define COMPAT_43"
  49         print "#define COMPAT_43TTY"
  50         print "#include <sys/param.h>"
  51         print "#include <sys/devicestat.h>"
  52         print "#include <sys/disklabel.h>"
  53         print "#include <sys/socket.h>"
  54         print "#include <sys/time.h>"
  55         print "#include <sys/tty.h>"
  56         print "#include <bsm/audit.h>"
  57         print "#include <net/ethernet.h>"
  58         print "#include <net/if.h>"
  59         print "#ifdef PF"
  60         print "#include <net/pfvar.h>"
  61         print "#include <net/if_pfsync.h>"
  62         print "#endif"
  63         print "#include <net/route.h>"
  64         print "#include <netinet/in.h>"
  65         print "#include <netinet/ip_mroute.h>"
  66         print "#include <netinet6/in6_var.h>"
  67         print "#include <netinet6/nd6.h>"
  68         print "#include <netinet6/ip6_mroute.h>"
  69         print "#include <stdio.h>"
  70         print "#include <cam/cam.h>"
  71         print "#include <stdbool.h>"
  72         print "#include <stddef.h>"
  73         print "#include <stdint.h>"
  74         print "#include <sysdecode.h>"
  75         print ""
  76         print ioctl_includes
  77         print ""
  78         print "const char *"
  79         print "sysdecode_ioctlname(unsigned long val)"
  80         print "{"
  81         print "\tconst char *str = NULL;"
  82         print ""
  83 }
  84
  85 /^#[    ]*define[       ]+[A-Za-z_][A-Za-z0-9_]*[       ]+_IO/ {
  86
  87         # find where the name starts
  88         for (i = 1; i <= NF; i++)
  89                 if ($i ~ /define/)
  90                         break;
  91         ++i;
  92         #
  93         printf("\t");
  94         if (n++ > 0)
  95                 printf("else ");
  96         printf("if (val == %s)\n", $i);
  97         printf("\t\tstr = \"%s\";\n", $i);
  98 }
  99 END {
 100         print ""
 101         print "\treturn (str);"
 102         print "}"
 103 }
 104 '