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Re: gdbstub initial code, v11
On Thu, Sep 23, 2010 at 02:21:38PM -0700, Roland McGrath wrote:
> > > The ones I'm talking about are Z2/Z3 for (data) watchpoints.
> > Ah, OK, thanks. I'll try to understand how this works.
> In theory these will map to uses of the hw_breakpoint interface.
Not quite. The hw_breakpoint widget is only useful for the first few
active watchpoints. The rest, which gdb calls software watchpoints,
can be implemented in ugdb by local singlestep + polling, without
gdb's live involvement.