X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=scripts%2Fafm-debug;fp=scripts%2Fafm-debug;h=18ecae28f5d115431480b943b5557e8de6af6242;hb=d06b3d9f5bae5424bcada675eaece47b56eb9e3d;hp=0000000000000000000000000000000000000000;hpb=5ac881fc974222d7416507ad36e13e1a811fe22e;p=src%2Fapp-framework-main.git diff --git a/scripts/afm-debug b/scripts/afm-debug new file mode 100644 index 0000000..18ecae2 --- /dev/null +++ b/scripts/afm-debug @@ -0,0 +1,90 @@ +#!/bin/bash + +########################################################################### +# Copyright 2017 IoT.bzh +# +# Author: Stephane Desneux +# Sebastien Douheret +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +########################################################################### + +# This script should be invoked by gdb client through a ssh connection. +# It relays gdbmi protocol from gdbserver to gdb client +# +# WARNING: nothing should be sent to stdout except gdbserver output + +# FIXME: add support of --debugger option to support tcf or gdb-remote + + +function error() { + echo "ERR: $@" >&2 + exit 1 +} +function info() { + echo "INF: $@" >&2 +} + +# setup debug dir (shared with service file) +DBGDIR=/var/run/afm-debug +mkdir -p $DBGDIR + +# check application name passed as first arg by gdb +APP=$1 +[[ -z "$APP" ]] && error "Invalid application name" + +# redirect to log file +exec 2>$DBGDIR/$APP.dbgclt.log + +# activate DEBUG in environment file sourced in systemd service +AFB_WAIT_POINT="start-start" +echo "AFB_DEBUG_WAIT=$AFB_WAIT_POINT" >$DBGDIR/$APP.env + +# remove debug env file on exit +trap "rm $DBGDIR/$APP.*" STOP INT QUIT EXIT + +# ask appfw to start application +pid=$(afm-util start $APP) +[[ -z "$pid" || ! -e "/proc/$pid" ]] && error "Failed to start application $APP" +info "$APP started with pid=$pid" + +# wait debugging process is stop/waiting at start-start point +AFB_FILE=/tmp/afb-debug-$pid +tmo=100 +info "Waiting for process stopped..." +while [[ ! -e "$AFB_FILE" ]]; do + sleep 0.1 + tmo=$(expr $tmo - 1) + [[ "$tmo" == "0" ]] && error "Timeout waiting for process $pid stopped" +done + +info "Waiting for process stopped..." +AFB_WAIT_FILE=/tmp/afb-debug-$pid +tmo=100 +res=1 +while [[ "$res" != "0" ]]; do + sleep 0.1 + tmo=$(expr $tmo - 1) + [[ "$tmo" == "0" ]] && error "Timeout waiting for process $pid stopped" + grep $AFB_WAIT_POINT $AFB_WAIT_FILE > /dev/null 2>&1 + res=$? +done + +# debugging +info "Attaching gdbserver to pid $pid ..." +gdbserver --attach - $pid + +# end of debug session +info "proxy connection terminated - killing $APP (pid $pid)" +afm-util kill $pid >&2 +info "$APP killed"