Re: [Qemu-devel] [PATCH 0/5] Debugger enhancements

[Jamie Lokier]

Paul Brook wrote:
> On most targets watchpoint traps occur after the instruction
> completes, so you have to defer the DEBUG exception.  Normal MMU
> faults occur before the instruction completes.

Ok.  It might be a useful architecture-independent debugging feature
to _also_ have the ability to trap a watchpoint before the memory
access though - especially writes.  Are there any tracing tools which
use the gdbstub support and could make use of that?  Can GDB make use
of that?

-- Jamie