adb_gdb: AddressSanitizer support.

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 893 matching lines @@
 
 # Push gdbserver to the device
 log "Pushing gdbserver $GDBSERVER to $TARGET_GDBSERVER"
 adb push $GDBSERVER $TARGET_GDBSERVER &>/dev/null
 fail_panic "Could not copy gdbserver to the device!"
 
 PORT=5039
 HOST_PORT=$PORT
 TARGET_PORT=$PORT
 
-# Pull the app_process binary from the device
+# Detect AddressSanitizer setup on the device. In that case app_process is a
+# script, and the real executable is app_process.real.
 GDBEXEC=app_process
+GDBEXEC_ASAN=app_process.real
+adb_shell ls /system/bin/$GDBEXEC_ASAN
+if [ $? == 0 ]; then
+    GDBEXEC=$GDBEXEC_ASAN
+fi
+
+# Pull the app_process binary from the device.
 log "Pulling $GDBEXEC from device"
 adb pull /system/bin/$GDBEXEC "$TMPDIR"/$GDBEXEC &>/dev/null
 fail_panic "Could not retrieve $GDBEXEC from the device!"
 
 # Setup network redirection
 log "Setting network redirection (host:$HOST_PORT -> device:$TARGET_PORT)"
 adb forward tcp:$HOST_PORT tcp:$TARGET_PORT
 fail_panic "Could not setup network redirection from \
 host:localhost:$HOST_PORT to device:localhost:$TARGET_PORT!"
 
@@ skipping 45 matching lines @@
 
 if [ "$VERBOSE" -gt 0 ]; then
   echo "### START $COMMANDS"
   cat $COMMANDS
   echo "### END $COMMANDS"
 fi
 
 log "Launching gdb client: $GDB $GDBARGS -x $COMMANDS"
 $GDB $GDBARGS -x $COMMANDS &&
 rm -f "$GDBSERVER_PIDFILE"