>I beleive this could be improved by using linker tricks to have the
>linker store this size in a place where the code can fetch it via
>pc-relative access, but I don't know ld well enough to write such a script.
Actually (assuming I've understood correctly) something like this would
stand a good chance:
int sizeof_data()
{
extern void __data_start, __data_end;
return &__data_end - &__data_start;
}
I think the linker already defines __data_end (though it might be called
_edata or some such) but I'm less sure about __data_start. It would be
trivial to add though.
p.
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