led-memory-game-cross-debug

#!/usr/bin/env sh

USAGE="Usage: $0 [-p PORT] REMOTE [GDBOPTS]"

GDB=../bin/aarch64-buildroot-linux-gnu-gdb

GAMENAME=led-memory-game
GAMEVER=0.0.1
BUILDFILE=../../build/$GAMENAME-$GAMEVER/$GAMENAME

STAGINGDIR=../../staging

DEBUGSETUP=../etc/led-memory-game-debugsetup.gdbinit

REMOTEPORT=7654

STARTDIR=$(pwd)

main() {
	REMOTE="$1"
	shift || err_msg "$USAGE"
	simple_connect_test

	#shellcheck disable=2164
	cd "$(dirname "$0")"

	[ -e $GDB ] || err_msg "Coldn't find $GDB"
	[ -e $BUILDFILE ] || err_msg "Couldn't find $BUILDFILE"
	[ -e $DEBUGSETUP ] || err_msg "Couldn't find $DEBUGSETUP"
	[ -d $STAGINGDIR ] || err_msg "Couldn't find $STAGINGDIR"

	$GDB $BUILDFILE -q -ex "set sy $STAGINGDIR" -ex "tar rem $REMOTE:$REMOTEPORT" -x "$DEBUGSETUP" "$@"
}

simple_connect_test() {
	command -v nc 1>/dev/null || return # oof
	timeout 3 nc -z $REMOTE $REMOTEPORT || err_msg "Couldn't find remote. Run the debug server on the target? idk"
}

check_opts() {
	while getopts ":p:h" opt; do
		case "${opt}" in
			p)
				REMOTEPORT=${OPTARG} ;;
			h)
				printf "%s\n" "$USAGE" && exit ;;
			*)
				err_msg "$USAGE" ;;
		esac
	done
	shift $((OPTIND-1))

	( main "$@" )
}

err_msg() {
	printf "%s\n" "$1" >&2
	exit 1
}

check_opts "$@"