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Re: [PATCH] Handle weak symbols
At 20:37 11.05.2001, Mark Mitchell wrote:
> >>>>> "Franz" == Franz Sirl <Franz.Sirl-kernel@lauterbach.com> writes:
>
> Franz> OK to commit to mainline and branch?
>
>Yes -- but you need rtl.texi documentation for SYMBOL_REF_WEAK.
>
>Also, gcc.texi says:
>
> This section lists changes that people frequently request, but which
> we do not make because we think GCC is better without them.
>
>And then goes on to list:
>
> @item
> Assuming (for optimization) that the address of an external symbol is
> never zero.
>
> This assumption is false on certain systems when @samp{#pragma weak} is
> used.
>
>Obviously, the documentation has been lying here for ages -- we *do*
>make this optimization, and have at least since GCC 2.95.2.
>
>Please remove this bullet as well.
Ok, will do so, but I have to leave now til Sunday evening, so checkin of
the patch and documentation will be delayed.
Franz.