Ian Lance Taylor iant@google.com
Thu Jun 4 18:49:00 GMT 2009

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"Doug Kwan (關振德)" <dougkwan@google.com> writes:

> With your change,  I can add mapping for ARM special sections using
> something like:
>
> Index: layout.cc
> ===================================================================
> RCS file: /cvs/src/src/gold/layout.cc,v
> retrieving revision 1.124
> diff -u -r1.124 layout.cc
> --- layout.cc	4 Jun 2009 00:43:11 -0000	1.124
> +++ layout.cc	4 Jun 2009 18:33:23 -0000
> @@ -2887,6 +2887,10 @@
>    MAPPING_INIT(".gnu.linkonce.lr.", ".lrodata"),
>    MAPPING_INIT(".gnu.linkonce.l.", ".ldata"),
>    MAPPING_INIT(".gnu.linkonce.lb.", ".lbss"),
> +  MAPPING_INIT(".ARM.extab.", ".ARM.extab"),
> +  MAPPING_INIT(".gnu.linkonce.armextab.", ".ARM.extab"),
> +  MAPPING_INIT(".ARM.exidx.", ".ARM.exidx"),
> +  MAPPING_INIT(".gnu.linkonce.armexidx.", ".ARM.exidx"),
>  };
>  #undef MAPPING_INIT
>
>
> This is very simple.  May only concern is that the mapping is visible
> to all targets, not just ARM.   This probably is okay since I do not
> expect other targets to use these section names.
>
> Is it okay to add these mapping?

Sure, let's go ahead and do it that way.  Maybe we'll have to change it
later, we'll see.

Thanks.

Ian

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