xa-lldb

#!/bin/bash

show_usage()
{
	echo "Usage: xa-lldb [-d <DEVICE>] <csproj file> <xbuild arguments>."
}

shell()
{
  adb -s "$DEVICE" shell "$@"
}

while getopts "d:" option ; do
    case "$option" in
		d)
			DEVICE=$OPTARG
			shift 2
			;;
	esac
done

if [ "$1" == "" ]; then
	show_usage
	exit 1
fi

# Directory with lldb binaries/debug servers
LLDB_MONO_DIR=`dirname $0`
NOW=`date +%s`
CFGFILE=/tmp/lldb-config.$NOW

# Collect information from the csproj
echo "Running: xabuild /t:_lldb /p:_LldbConfigFile=$CFGFILE /p:AndroidSdkPlatform=24 $*"
xabuild /t:_lldb /p:_LldbConfigFile=$CFGFILE /p:_AndroidApiLevel=24 $* > dbuild.log 2>&1;
if [ $? != 0 ]; then
	cat dbuild.log
	exit 1
fi
rm -f dbuild.log

. $CFGFILE
rm -f $CFGFILE

if [ ! -f $MANIFEST ]; then
	echo "Manifest file $MANIFEST not found, make sure to pass the correct /p:Configuration argument."
	exit 1
fi

echo "Package: $PKG"
echo "Manifest file: $MANIFEST"

# Obtain main activity class name
CLASS=`xpath $MANIFEST 'string(//activity[intent-filter/action/@android:name="android.intent.action.MAIN" and intent-filter/category/@android:name="android.intent.category.LAUNCHER"]/@android:name)' 2>/dev/null`
if [ $? != 0 ]; then
	exit 1
fi

echo "MainActivity class: $CLASS"

if [ "$DEVICE" = "" ]; then
  DEVICE_COUNT=`adb devices | grep 'device$' | wc -l`
  if [ $DEVICE_COUNT -eq 1 ]; then
    DEVICE=`adb devices | grep 'device$' | awk -F"\t+" '{print $1}'`
  fi
fi
echo "Device: $DEVICE"

SOCK="platform-${NOW}.sock"
ARCH=$(shell "getprop ro.product.cpu.abi" | tr -d '\r')

LLDB_SERVER_ARCH=$ARCH
if [ "$ARCH" = "armeabi-v7a" ]; then
  LLDB_SERVER_ARCH="armeabi"
fi

echo "Architecture: $ARCH"

#LLDB_DIR=$HOME/Library/Android/sdk/lldb/2.2/android
LLDB_DIR=$LLDB_MONO_DIR/android

R_TMP=/data/local/tmp
LLDB=/data/data/$PKG/lldb
LLDB_BIN=$LLDB/bin
LLDB_SERVER=$LLDB_BIN/lldb-server
START_SERVER=$LLDB_BIN/start_lldb_server.sh
LLDB_LOCAL_SERVER=$LLDB_DIR/$LLDB_SERVER_ARCH/lldb-server

if [ ! -f $LLDB_LOCAL_SERVER ]; then
	echo "Unable to find llvm-server binary at $LLDB_LOCAL_SERVER."
	exit 1
fi

echo "Copying lldb-server to device..."
adb -s "$DEVICE" push $LLDB_DIR/$LLDB_SERVER_ARCH/lldb-server $R_TMP
adb -s "$DEVICE" push $LLDB_DIR/start_lldb_server.sh $R_TMP

adb -s "$DEVICE" shell 'setprop debug.mono.gdb wait:`date +%s`'
adb -s "$DEVICE" shell 'setprop debug.mono.debug 1'
# FIXME: Add to it
adb -s "$DEVICE" shell 'setprop debug.mono.env MONO_LLDB=1'

echo "Starting app..."
shell "am start -S -n $PKG/$CLASS -a android.intent.action.MAIN -c android.intent.category.LAUNCHER"
shell "run-as $PKG mkdir -p $LLDB_BIN"
shell "rm -f $LLDB_SERVER"
shell "cat $R_TMP/lldb-server | run-as $PKG sh -c \"cat > $LLDB_SERVER && chmod 700 $LLDB_SERVER\""
shell "cat $R_TMP/start_lldb_server.sh | run-as $PKG sh -c \"cat > $START_SERVER && chmod 700 $START_SERVER\""

echo "Waiting for app to start..."

for i in 1 2 3 4 5; do
	PID=$(shell "ps" | grep "$PKG\s*$" | awk -F' +' '{print $2}')

	if [ "$PID" != "" ]; then
		break
	fi
	sleep 1
done

if [ "$PID" == "" ]; then
	echo "Can't find process pid."
	exit 1
fi
echo "pid == $PID"

START_FILE=/tmp/lldb_commands.$NOW
echo "platform select remote-android
platform connect unix-abstract-connect://[$DEVICE]$LLDB/tmp/$SOCK
settings set auto-confirm true
settings set plugin.symbol-file.dwarf.comp-dir-symlink-paths /proc/self/cwd
process attach -p $PID
p (void)monodroid_clear_gdb_wait()
$COMMANDS" > $START_FILE

echo -n "Starting lldb server in the background"
shell "run-as $PKG $START_SERVER $LLDB unix-abstract $LLDB/tmp $SOCK \"lldb process:gdb-remote packets\""&
for i in {1..5}; do
  echo -n ' .'
  sleep 1
done
echo " done."

declare -a PIDS=( `pgrep -P $!` "$!" )

#which lldb
#lldb -- $DATA_DIR/DebugClang/lldb -s $START_FILE
$LLDB_MONO_DIR/lldb -s $START_FILE

rm $START_FILE
kill "${PIDS[@]}"