chromium-src-build/android/gdb_content_shell

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#!/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.
#
# Attach gdb to a running content shell. Similar to ndk-gdb.
# Run with --annotate=3 if running under emacs (M-x gdb).
#
# TODO(jrg): allow package_name and shared_lib_dir to be set on the
# command line. Share the guts of this script with other Chromium
# pieces (like base_unittests_apk) and friends (like WebKit bundles).
adb=$(which adb)
if [[ "$adb" = "" ]] ; then
echo "Need adb in your path"
exit 1
fi
rooted_phone=0
root=$(dirname $0)/../..
package_name=org.chromium.content_shell
data_dir=/data/data/$package_name
gdb_server_on_device=$data_dir/lib/gdbserver
shared_lib_dir=$root/out/Release/lib.target
# Kill any running gdbserver
pid=$(adb shell ps | awk '/gdbserver/ {print $2}')
if [[ "$pid" != "" ]] ; then
if [[ $rooted_phone -eq 1 ]] ; then
adb shell kill $pid
else
adb shell run-as $package_name kill $pid
fi
fi
pid=$(adb shell ps | awk "/$package_name/ {print \$2}")
if [[ "$pid" = "" ]] ; then
echo "No $package_name running?"
echo "Try this: adb shell am start -a android.intent.action.VIEW " \
"-n $package_name/.SomethingActivity (Something might be ContentShell)"
exit 2
fi
no_gdb_server=$(adb shell ls $gdb_server_on_device | grep 'No such file')
if [[ "$no_gdb_server" != "" ]] ; then
echo "No gdb server on device at $gdb_server_on_device"
echo "Please install a debug build."
exit 3
fi
if [[ $rooted_phone -eq 1 ]] ; then
adb shell $gdb_server_on_device :4321 --attach $pid &
adb forward tcp:4321 tcp:4321
else
adb shell run-as $package_name lib/gdbserver +debug-socket --attach $pid &
adb forward tcp:4321 localfilesystem:$data_dir/debug-socket
fi
sleep 2
# Pull app_process and C libraries from device if needed
app_process=${shared_lib_dir}/app_process
if [[ ! -f ${app_process} ]] ; then
adb pull /system/bin/app_process ${app_process}
adb pull /system/lib/libc.so ${shared_lib_dir}
fi
# gdb commands
cmdfile=$(mktemp /tmp/gdb_android_XXXXXXXX)
cat >$cmdfile<<EOF
# set solib-absolute-prefix null
set solib-search-path ${shared_lib_dir}
file ${app_process}
target remote :4321
EOF
gdb=$(echo $ANDROID_TOOLCHAIN/*gdb)
if [[ ! -f ${gdb} ]] ; then
echo "Wow no gdb in env var ANDROID_TOOLCHAIN which is $ANDROID_TOOLCHAIN"
exit 4
else
echo Using $gdb
fi
# ${gdb} -x $cmdfile $* $app_process
${gdb} -x $cmdfile $*
rm $cmdfile