Ilya Leoshkevich <i...@linux.ibm.com> writes: > Allow debugging individual processes in multi-process applications by > starting them with export QEMU_GDB=/tmp/qemu-%d.sock,suspend=n. > Currently one would have to attach to every process to ensure the app > makes progress. > > In case suspend=n is not specified, the flow remains unchanged. If it > is specified, then accepting the client connection is delegated to a > thread. In the future this machinery may be reused for handling > reconnections and interruptions. > > On accepting a connection, the thread schedules gdb_handlesig() on the > first CPU and wakes it up with host_interrupt_signal. Note that the > result of this gdb_handlesig() invocation is handled, as opposed to > many other existing call sites. These other call sites probably need to > be fixed separately. > > Signed-off-by: Ilya Leoshkevich <i...@linux.ibm.com>
Reviewed-by: Alex Bennée <alex.ben...@linaro.org> -- Alex Bennée Virtualisation Tech Lead @ Linaro
