adb_gdb : Change Device's SELinux mode as part of adb_gdb script

build/android/adb_gdb

 #!/bin/bash
 #
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 
 # A generic script used to attach to a running Chromium process and
 # debug it. Most users should not use this directly, but one of the
 # wrapper scripts like adb_gdb_content_shell
@@ skipping 946 matching lines @@
 echo "$GDBSERVER_PID" > $GDBSERVER_PIDFILE
 log "background job pid: $GDBSERVER_PID"
 
 # Check that it is still running after a few seconds. If not, this means we
 # could not properly attach to it
 sleep 2
 log "Job control: $(jobs -l)"
 STATE=$(jobs -l | awk '$2 == "'$GDBSERVER_PID'" { print $3; }')
 if [ "$STATE" != "Running" ]; then
   echo "ERROR: GDBServer could not attach to PID $PID!"
-  echo "Failure log (use --verbose for more information):"
-  cat $GDBSERVER_LOG
-  exit 1
+  if [ $(adb_shell su -c getenforce) != "Permissive" ];  then
+    echo "Device mode is Enforcing. Changing Device mode to Permissive "
+    $(adb_shell su -c setenforce 0)
+    if [ $(adb_shell su -c getenforce) != "Permissive" ]; then
+      echo "ERROR: Failed to Change Device mode to Permissive"
+      echo "Failure log (use --verbose for more information):"
+      cat $GDBSERVER_LOG
+      exit 1
+    fi
+  else
+    echo "Failure log (use --verbose for more information):"
+    cat $GDBSERVER_LOG
+    exit 1
+  fi
 fi
 
 # Generate a file containing useful GDB initialization commands
 readonly COMMANDS=$TMPDIR/gdb.init
 log "Generating GDB initialization commands file: $COMMANDS"
 echo -n "" > $COMMANDS
 echo "file $TMPDIR/$GDBEXEC" >> $COMMANDS
 echo "directory $CHROMIUM_SRC" >> $COMMANDS
 echo "set solib-absolute-prefix $PULL_LIBS_DIR" >> $COMMANDS
 echo "set solib-search-path $SOLIB_DIRS:$PULL_LIBS_DIR:$SYMBOL_DIR" \
     >> $COMMANDS
 echo "echo Attaching and reading symbols, this may take a while.." \
     >> $COMMANDS
 echo "target remote :$HOST_PORT" >> $COMMANDS
 
 if [ "$GDBINIT" ]; then
   cat "$GDBINIT" >> $COMMANDS
 fi
 
 if [ "$VERBOSE" -gt 0 ]; then
   echo "### START $COMMANDS"
   cat $COMMANDS
   echo "### END $COMMANDS"
 fi
 
 log "Launching gdb client: $GDB $GDB_ARGS -x $COMMANDS"
 $GDB $GDB_ARGS -x $COMMANDS &&
 rm -f "$GDBSERVER_PIDFILE"