SO 76940970 qemudbg.sh

qemu-system-i386 -cdrom out/SimpleOS.iso -no-shutdown -no-reboot -S -s -d int >dbg.log 2>&1 &
QEMU_PID=$!

gdb out/isodir/boot/SimpleOS.bin \
        -ex 'target remote localhost:1234' \
        -ex 'layout src' \
        -ex 'layout regs' \
        -ex 'break *kmain' \
        -ex 'continue'

stty sane
if ps -p $QEMU_PID >/dev/null
then
    kill -9 $QEMU_PID >/dev/null
fi