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