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Partially implement software watchpoints. Currently ugdb only supports a single watchpoint. Every $Z2 silently deletes the previous one. As for multiple wp's, it is not clear to me how to implement this correctly (and afaics in any case this is nontrivial). I'll try to summarize my questions and send email to archer list. Multitracing is another problem, right now I have no idea how this can work with multiple debuggers. Question: can I use the "current->thread.trap_no == 1" check to figure out reliably whether this SIGTRAP was triggered by TIF_SINGLESTEP ? Oleg.
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