xref: /external/skia/platform_tools/android/bin/android_gdb_exe

#!/bin/bash
#
# android_gdb: Pushes gdbserver. Connects and enters debugging environment.

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
APP_NAME=$(basename $1)
PORT=5039

# Collect extra arguments to be passed to the Skia binary
shift
while (( "$#" )); do
  APP_ARGS="$APP_ARGS $1"
  shift
done

source $SCRIPT_DIR/android_setup.sh
source $SCRIPT_DIR/utils/setup_adb.sh

# We need the debug symbols from these files
GDB_TMP_DIR=$(pwd)/android_gdb_tmp
mkdir $GDB_TMP_DIR
echo "Copying symbol files"
$ADB pull /system/bin/skia_launcher $GDB_TMP_DIR
$ADB pull /system/lib/libc.so $GDB_TMP_DIR
$ADB pull /data/data/com.skia/lib/lib$APP_NAME.so $GDB_TMP_DIR

echo "Checking for skia_launcher app..."
if [ ! -f $GDB_TMP_DIR/skia_launcher ]
then
    echo "Unable for find the skia_launcher on the device"
    rm -rf $GDB_TMP_DIR
    exit 1;
fi

echo "Checking for $APP_NAME library..."
if [ ! -f $GDB_TMP_DIR/lib$APP_NAME.so ]
then
    echo "Unable for find the app's shared library on the device"
    rm -rf $GDB_TMP_DIR
    exit 1;
fi

echo "Pushing gdbserver..."
$ADB remount
$ADB push $ANDROID_TOOLCHAIN/../gdbserver /system/bin/gdbserver

echo "Setting up port forward"
$ADB forward "tcp:5039" "tcp:5039"

# Kill all previous instances of gdbserver and skia_launcher to rid all port overriding errors.
echo "Killing any running Skia processes."
$ADB shell ps | grep gdbserver | awk '{print $2}' | xargs $ADB shell kill
$ADB shell ps | grep skia_launcher | awk '{print $2}' | xargs $ADB shell kill

# Starting up gdbserver in android shell
echo "Starting gdbserver with command: skia_launcher $APP_NAME$APP_ARGS"
$ADB shell gdbserver :5039 /system/bin/skia_launcher $APP_NAME$APP_ARGS &

# Wait for gdbserver
sleep 2

# Set up gdb commands
GDBSETUP=$GDB_TMP_DIR/gdb.setup
echo "file $GDB_TMP_DIR/skia_launcher" >> $GDBSETUP
echo "target remote :$PORT" >> $GDBSETUP
echo "set solib-absolute-prefix $GDB_TMP_DIR" >> $GDBSETUP
echo "set solib-search-path $GDB_TMP_DIR" >> $GDBSETUP

# The apps shared library symbols are not loaded by default so we load them here
echo "break skia_launcher.cpp:launch_app" >> $GDBSETUP
echo "continue" >> $GDBSETUP
echo "sharedLibrary $APP_NAME" >> $GDBSETUP


# Launch gdb client
echo "Entering gdb client shell"
$ANDROID_TOOLCHAIN/arm-linux-androideabi-gdb -x $GDBSETUP

# Clean up
rm -rf $GDB_TMP_DIR