Messages in this thread | | | Date | Mon, 30 Jul 2012 15:40:37 -0700 | From | Stephen Boyd <> | Subject | Re: [PATCH] ARM: Sort exception table at compile time |
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On 07/30/12 15:19, Russell King - ARM Linux wrote: > On Mon, Jul 30, 2012 at 11:51:18PM +0200, Sam Ravnborg wrote: >> Here you should be able to use the macro EXCEPTION_TABLE from >> vmlinux.lds.h. >> I cannot see why the ifdef for not NON-MMU case is needed, >> but if it is needed the macro is not good... > Because you can not mention the same input section in two different > places and end up with predictable output from the linker. > > We discard the __ex_table for noMMU, but I think the start/stop > symbols are still referenced somewhere. Dunno, I don't have much to > do with noMMU ARM, and the only platform I'd be interested in never > got merged.
I was thinking, perhaps we can ifdef out the exception fixup sections in the places where they're added? Then we can just use the EXCEPTION_TABLE macro from vmlinux.lds.h knowing that there are no __ex_table sections in the input object files?
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