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         find -H -s * -name '*.h' | \
  21         egrep -v '(.*disk.*|net/pfvar|net/if_pfsync)\.h' | \
  22                 xargs egrep -l \
  23 '^#[    ]*define[       ]+[A-Za-z_][A-Za-z0-9_]*[       ]+_IO[^a-z0-9_]' |
  24                 awk '{printf("#include <%s>\\n", $1)}'
  25 )
  26
  27 : ${MACHINE=$(uname -m)}
  28 case "${MACHINE}" in
  29 *pc98*)
  30         ioctl_includes="$ioctl_includes#include <sys/diskpc98.h>\\n"
  31         ;;
  32 *)
  33         ioctl_includes="$ioctl_includes#include <sys/diskmbr.h>\\n"
  34         ;;
  35 esac
  36
  37 awk -v x="$ioctl_includes" 'BEGIN {print x}' |
  38         $CPP -nostdinc -I$includedir -dM -DCOMPAT_43TTY - |
  39         awk -v ioctl_includes="$ioctl_includes" '
  40 BEGIN {
  41         print "/* XXX obnoxious prerequisites. */"
  42         print "#define COMPAT_43"
  43         print "#define COMPAT_43TTY"
  44         print "#include <sys/param.h>"
  45         print "#include <sys/devicestat.h>"
  46         print "#include <sys/disklabel.h>"
  47         print "#include <sys/socket.h>"
  48         print "#include <sys/time.h>"
  49         print "#include <sys/tty.h>"
  50         print "#include <bsm/audit.h>"
  51         print "#include <net/ethernet.h>"
  52         print "#include <net/if.h>"
  53         print "#ifdef PF"
  54         print "#include <net/pfvar.h>"
  55         print "#include <net/if_pfsync.h>"
  56         print "#endif"
  57         print "#include <net/route.h>"
  58         print "#include <netinet/in.h>"
  59         print "#include <netinet/ip_mroute.h>"
  60         print "#include <netinet6/in6_var.h>"
  61         print "#include <netinet6/nd6.h>"
  62         print "#include <netinet6/ip6_mroute.h>"
  63         print "#include <stdio.h>"
  64         print "#include <cam/cam.h>"
  65         print "#include <stddef.h>"
  66         print "#include <stdint.h>"
  67         print "#include <sysdecode.h>"
  68         print ""
  69         print ioctl_includes
  70         print ""
  71         print "const char *"
  72         print "sysdecode_ioctlname(unsigned long val)"
  73         print "{"
  74         print "\tconst char *str = NULL;"
  75         print ""
  76 }
  77
  78 /^#[    ]*define[       ]+[A-Za-z_][A-Za-z0-9_]*[       ]+_IO/ {
  79
  80         # find where the name starts
  81         for (i = 1; i <= NF; i++)
  82                 if ($i ~ /define/)
  83                         break;
  84         ++i;
  85         #
  86         printf("\t");
  87         if (n++ > 0)
  88                 printf("else ");
  89         printf("if (val == %s)\n", $i);
  90         printf("\t\tstr = \"%s\";\n", $i);
  91 }
  92 END {
  93         print ""
  94         print "\treturn (str);"
  95         print "}"
  96 }
  97 '