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