Fixing the pushing gdbserver problem while setting --su-prefix="su -c"

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
 #
 # Use --help to print full usage instructions.
 #
 
 PROGNAME=$(basename "$0")
 PROGDIR=$(dirname "$0")
 
 # Force locale to C to allow recognizing output from subprocesses.
 LC_ALL=C
 
 # Location of Chromium-top-level sources.
 CHROMIUM_SRC=$(cd "$PROGDIR"/../.. >/dev/null && pwd 2>/dev/null)
 
 TMPDIR=
 GDBSERVER_PIDFILE=
 TARGET_GDBSERVER=
 COMMAND_PREFIX=
+COMMAND_SUFFIX=
 
 clean_exit () {
   if [ "$TMPDIR" ]; then
     GDBSERVER_PID=$(cat $GDBSERVER_PIDFILE 2>/dev/null)
     if [ "$GDBSERVER_PID" ]; then
       log "Killing background gdbserver process: $GDBSERVER_PID"
       kill -9 $GDBSERVER_PID >/dev/null 2>&1
     fi
     if [ "$TARGET_GDBSERVER" ]; then
       log "Removing target gdbserver binary: $TARGET_GDBSERVER."
-      "$ADB" shell "$COMMAND_PREFIX" rm "$TARGET_GDBSERVER" >/dev/null 2>&1
+      "$ADB" shell "$COMMAND_PREFIX" rm "$TARGET_GDBSERVER" "$COMMAND_SUFFIX" >/dev/null 2>&1
     fi
     log "Cleaning up: $TMPDIR"
     rm -rf "$TMPDIR"
   fi
   trap "" EXIT
   exit $1
 }
 
 # Ensure clean exit on Ctrl-C or normal exit.
 trap "clean_exit 1" INT HUP QUIT TERM
@@ skipping 864 matching lines @@
              grep -v "^$" | tr '\n' ':')
 
 # This is a re-implementation of gdbclient, where we use compatible
 # versions of gdbserver and $GDBNAME to ensure that everything works
 # properly.
 #
 
 # Push gdbserver to the device
 log "Pushing gdbserver $GDBSERVER to $TARGET_GDBSERVER"
 adb push $GDBSERVER $TMP_TARGET_GDBSERVER &>/dev/null
-adb shell $COMMAND_PREFIX cp $TMP_TARGET_GDBSERVER $TARGET_GDBSERVER
+adb shell $COMMAND_PREFIX cp $TMP_TARGET_GDBSERVER $TARGET_GDBSERVER $COMMAND_SUFFIX
 adb shell rm $TMP_TARGET_GDBSERVER
 fail_panic "Could not copy gdbserver to the device!"
 
 if [ -z "$PORT" ]; then
     PORT=5039
 fi
 HOST_PORT=$PORT
 TARGET_PORT=$PORT
 
 # Select correct app_process for architecture.
@@ skipping 97 matching lines @@
 
 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"