1#!/bin/bash
2#
3# android_gdb: Pushes parameter binary and gdbserver. Connects
4# and enters debugging environment.
5
6SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
7source $SCRIPT_DIR/android_setup.sh
8
9APP_NAME=${APP_ARGS[0]}
10PORT=5039
11
12source $SCRIPT_DIR/utils/setup_adb.sh
13
14
15# Forward local to remote socket connection.
16$ADB forward "tcp:$PORT" "tcp:$PORT"
17
18# We kill all previous instances of gdbserver to rid all port overriding errors.
19$ADB shell ps | grep gdbserver | awk '{print $2}' | xargs -r $ADB shell kill
20
21# We need the debug symbols from these files
22GDB_TMP_DIR=$(pwd)/android_gdb_tmp
23mkdir -p $GDB_TMP_DIR
24echo "Copying symbol files"
25adb_pull_if_needed /system/bin/app_process $GDB_TMP_DIR
26adb_pull_if_needed /system/lib/libc.so $GDB_TMP_DIR
27adb_pull_if_needed /data/data/com.skia/lib/libskia_android.so $GDB_TMP_DIR
28adb_pull_if_needed /data/data/com.skia/lib/libSampleApp.so $GDB_TMP_DIR
29
30echo "Pushing gdbserver..."
31adb_push_if_needed $ANDROID_TOOLCHAIN/../gdbserver /data/local/tmp
32
33# Launch the app
34SK_COMMAND="$APP_ARGS"
35echo "Running command $SK_COMMAND"
36adb shell am start -n com.skia/com.skia.SkiaSampleActivity
37
38# Attach gdbserver to the app process
39PID=$($ADB shell ps | grep com.skia | awk '{print $2}')
40echo "Attaching to pid: $PID"
41$ADB shell /data/local/tmp/gdbserver :$PORT --attach $PID &
42
43# Wait for gdbserver
44sleep 2
45
46# Set up gdb commands
47GDBSETUP=$GDB_TMP_DIR/gdb.setup
48echo "file $GDB_TMP_DIR/app_process" >> $GDBSETUP
49echo "target remote :$PORT" >> $GDBSETUP
50echo "set solib-absolute-prefix $GDB_TMP_DIR" >> $GDBSETUP
51echo "set solib-search-path $GDB_TMP_DIR" >> $GDBSETUP
52
53# Launch gdb client
54echo "Entering gdb client shell"
55GDB_COMMAND=$(command ls "$ANDROID_TOOLCHAIN"/*-gdb | head -n1)
56"$GDB_COMMAND" -x $GDBSETUP
57
58# Clean up
59rm -rf $GDB_TMP_DIR
60
61