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Re: [rfa:doco] mention gdbarch_obstack_zalloc in per-module data


+Set the uninitialized (NULL) data-pointer corresponding to @var{handle}
+to the non-NULL @var{pointer} value.


Both `NULL's should be in @code.

Also, is it guaranteed that uninitialized pointers have a NULL value?
In general, that's not true, but perhaps in the context of gdbarch it
is, I just don't know.

In general no, but here, yes. Perhaphs:

"Set the still @code{NULL} data-pointer ...."

Andrew


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