usr/src/cmd/mdb/tools/scripts/mdb.sh

   1 #!/bin/sh
   2 #
   3 # CDDL HEADER START
   4 #
   5 # The contents of this file are subject to the terms of the
   6 # Common Development and Distribution License, Version 1.0 only
   7 # (the "License").  You may not use this file except in compliance
   8 # with the License.
   9 #
  10 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  11 # or http://www.opensolaris.org/os/licensing.
  12 # See the License for the specific language governing permissions
  13 # and limitations under the License.
  14 #
  15 # When distributing Covered Code, include this CDDL HEADER in each
  16 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  17 # If applicable, add the following below this CDDL HEADER, with the
  18 # fields enclosed by brackets "[]" replaced with your own identifying
  19 # information: Portions Copyright [yyyy] [name of copyright owner]
  20 #
  21 # CDDL HEADER END
  22 #
  23 #
  24 # Copyright (c) 1998-2001 by Sun Microsystems, Inc.
  25 # All rights reserved.
  26 #
  27 #ident  "%Z%%M% %I%     %E% SMI"
  28
  29 mdb_lib=/net/mdb.eng/mdb/archives       # Archive library path
  30 mdb_ws=/net/mdb.eng/mdb/snapshot/latest # Snapshot of latest workspace
  31 mdb_args=                               # Debugger argument string
  32
  33 os_name='s81'                           # Default OS name prefix
  34 os_rel='5.9'                            # Default OS release number
  35
  36 mach=`/usr/bin/uname -p`                # Machine type
  37 unset mdb_exec build root               # Local variables
  38
  39 #
  40 # Attempt to locate a suitable mdb binary to execute, first on the local
  41 # machine, then in the user's workspace, and finally on the MDB server.
  42 # If we select the user's workspace, we also set $root to their proto area
  43 # to force MDB to use shared libraries installed there as well.
  44 #
  45 if [ -n "$SRCTOP" -a -x $SRCTOP/proto/root_$mach/usr/bin/mdb ]; then
  46         mdb_exec=$SRCTOP/proto/root_$mach/usr/bin/mdb
  47         root=$SRCTOP/proto/root_$mach
  48 elif [ -x /usr/bin/mdb -a ! -d /mdb ]; then
  49         mdb_exec=/usr/bin/mdb
  50         root=$mdb_lib/$mach/%R/%V
  51 elif [ -x /usr/bin/mdb -a -d /mdb ]; then
  52         for isa in `isalist`; do
  53                 if [ -x /usr/bin/$isa/mdb ]; then
  54                         mdb_exec=/usr/bin/$isa/mdb
  55                         break
  56                 fi
  57         done
  58         if [ -z "$mdb_exec" ]; then
  59                 echo "$0: cannot find mdb binary in ISA subdirectories" >& 2
  60                 exit 1
  61         fi
  62         root=$mdb_lib/$mach/%R/%V
  63 elif [ -x $mdb_ws/proto/root_$mach/usr/bin/mdb ]; then
  64         mdb_exec=$mdb_ws/proto/root_$mach/usr/bin/mdb
  65         root=$mdb_lib/$mach/%R/%V
  66 fi
  67
  68 #
  69 # Abort if we were not able to locate a copy of mdb to execute.
  70 #
  71 if [ -z "$mdb_exec" ]; then
  72         echo "$0: failed to locate mdb executable" >& 2
  73         exit 1
  74 fi
  75
  76 #
  77 # The wrapper script handles several special command-line arguments that are
  78 # used to select a desired set of MDB macros, modules, and a libkvm binary.
  79 #
  80 if [ $# -gt 0 ]; then
  81         case "$1" in
  82         -s[0-9]*)
  83                 build=`echo "$1" | tr -d -`
  84                 shift
  85                 ;;
  86
  87         -[0-9]|-[0-9][0-9])
  88                 build=`echo "$1" | tr -d -`
  89                 if [ $build -lt 10 ]; then
  90                         build=${os_name}_0$build
  91                 else
  92                         build=${os_name}_$build
  93                 fi
  94                 shift
  95                 ;;
  96
  97         -[0-9][0-9]-|-[0-9][0-9][A-Za-z])
  98                 build=${os_name}_`echo "$1" | cut -c2- | tr '[A-Z]' '[a-z]'`
  99                 shift
 100                 ;;
 101
 102         -B) build=$os_rel/Beta; shift ;;
 103         -U) build=$os_rel/Beta_Update; shift ;;
 104         -G) build=$os_rel/Generic; shift ;;
 105
 106         -\?)
 107                 echo "Usage: $0" \
 108                      "[ -s<rel> | -s<bld> | -[0-9]+ | -B | -G | -U ] args ..."
 109
 110                 echo "\t-s<rel>  Use proto area for specified release"
 111                 echo "\t         e.g. -${os_name}"
 112                 echo "\t-s<bld>  Use proto area for specified build"
 113                 echo "\t         e.g. -${os_name}_01"
 114                 echo "\t-[0-9]+  Use proto area for specified build of $os_name"
 115                 echo "\t-B       Use proto area for $os_rel Beta build"
 116                 echo "\t-G       Use proto area for $os_rel Generic build\n"
 117                 echo "\t-U       Use proto area for $os_rel Beta_Update build"
 118                 ;;
 119         esac
 120 fi
 121
 122 #
 123 # If a build was specified, using the corresponding proto area from $mdb_lib.
 124 # Note that this will override the $root setting determined above.
 125 #
 126 [ -n "$build" ] && root=$mdb_lib/$mach/$build
 127
 128 #
 129 # If a proto area was set either by specifying a build number, or by using
 130 # mdb from $SRCTOP, set LD_LIBRARY_PATH accordingly.  This allows mdb to
 131 # pick up the appropriate libkvm.so to examine dumps from that build.
 132 # We also add the -R flag to the mdb command line so that mdb will modify
 133 # its default macro include and module library paths to use the build root.
 134 #
 135 if [ -n "$build" -o "$root" = "$SRCTOP/proto/root_$mach" ]; then
 136         if [ -n "$build" -a ! -d $root ]; then
 137                 echo "mdb: $root is missing or not a directory" >& 2
 138                 exit 1
 139         fi
 140
 141         [ -n "$LD_LIBRARY_PATH" ] && LD_LIBRARY_PATH=$LD_LIBRARY_PATH:
 142         LD_LIBRARY_PATH="$LD_LIBRARY_PATH$root/usr/lib"
 143
 144         [ -n "$LD_LIBRARY_PATH_64" ] && LD_LIBRARY_PATH_64=$LD_LIBRARY_PATH_64:
 145         LD_LIBRARY_PATH_64="$LD_LIBRARY_PATH_64$root/usr/lib/sparcv9"
 146
 147         export LD_LIBRARY_PATH LD_LIBRARY_PATH_64
 148
 149 elif [ $mdb_exec = $mdb_ws/proto/root_$mach/usr/bin/mdb ]; then
 150         #
 151         # We also need to set LD_LIBRARY_PATH if we're using mdb.eng's mdb
 152         # binary -- it requires the new libproc.so to work properly.
 153         #
 154         usrlib=$mdb_ws/proto/root_$mach/usr/lib
 155
 156         [ -n "$LD_LIBRARY_PATH" ] && LD_LIBRARY_PATH=$LD_LIBRARY_PATH:
 157         LD_LIBRARY_PATH="$LD_LIBRARY_PATH$usrlib"
 158
 159         [ -n "$LD_LIBRARY_PATH_64" ] && LD_LIBRARY_PATH_64=$LD_LIBRARY_PATH_64:
 160         LD_LIBRARY_PATH_64="$LD_LIBRARY_PATH_64$usrlib/sparcv9"
 161
 162         export LD_LIBRARY_PATH LD_LIBRARY_PATH_64
 163 fi
 164
 165 exec $mdb_exec -R $root $mdb_args "$@"