On Fri, 7 Dec 2018 at 09:01, Luc Michel <luc.mic...@greensocs.com> wrote: > This series adds support for the multiprocess extension of the GDB > remote protocol in the QEMU GDB stub. > > This extension is useful to split QEMU emulated CPUs in different > processes from the point of view of the GDB client. It adds the > possibility to debug different kind of processors (e.g. an AArch64 and > an ARMv7 CPU) at the same time (it is not possible otherwise since GDB > expects an SMP view at the thread granularity.
I've applied this patchset to target-arm.next, thanks. (I fixed up a few checkpatch nits about block comment style.) > To test this patchset, you can use the following commands: > > (Note that this requires a recent enough GDB, I think GDB 7.2 is OK. > Also, it must be compiled to support both ARM and AArch64 architectures) > > Run QEMU: (-smp 6 in xlnx-zcu102 enables both cortex-a53 and cortex-r5 > CPUs) > > qemu-system-aarch64 -M xlnx-zcu102 -gdb tcp::1234 -S -smp 6 > > Run the following commands in GDB: > > target extended :1234 > add-inferior > inferior 2 > attach 2 > info threads This seems a bit clumsy -- is it just the limitations of gdb here? I was expecting that just connecting to the remote would cause gdb to interrogate it and attach to all the inferior processes that it had. thanks -- PMM
