[patch/rfa] allow unwinding "past main" for dummy frames
Mon Dec 6 14:11:00 GMT 2004
> Can we edit the space registers ourselves? If so, why don't we rely on
> that? I'm not talking about the call, just the return. So generate a
> call to __gcc_plt_call with a return address anywhere you please, and
> after the dummy call when we restore the saved regcache the space
> registers will be right again. So you could just use _start.
i can rewrite the stack trampoline so that we don't need to change
frame.c, i think. i'll give that a try tomorrow if you think that's a
better way to go; but i think making us not stop unwinding at dummy
frames, wherever they point, seems reasonable too...
Debian GNU/Linux Developer, hppa/ia64 ports
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