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[Bug ld/17323] ld -r not generate cantunwind records in .ARM.exidx secti

From: m.ilin at samsung dot com
Subject: [Bug ld/17323] ld -r not generate cantunwind records in .ARM.exidx section
Date: Wed, 17 Sep 2014 13:27:45 +0000


--- Comment #4 from Mikhail <m.ilin at samsung dot com> ---
Hi, Nick

We did the same patching before but this it not enough. After the suggested
change a relocatable file itself looks good. But when we try to create a shared
object from this relocatable the result unwind table will be incorrect. It is
occurred because added unwind entry also needs R_ARM_PREL31 relocation record.
But it is not provided by ld -r.

Having time we've been returning to the issue and trying to find a right
callback or a macro defined action in ARM bfd backend where we can add the
relocation record. If you know the appropriate place please share your ideas
with us.


-- Mikhail

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