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[RFC][GOLD] ARM: Add cantunwind when unwind info does not match start of section

Yury Usishchev y.usishchev@samsung.com
Tue Feb 16 20:28:00 GMT 2016 
Hello Doug!

Could you review this patch?
Original thread can be found here: https://sourceware.org/ml/binutils/2016-02/msg00164.html
I attached the patch here as well.

BR,
Yury Usishchev
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Yury Usishchev <y.usishchev@samsung.com> writes:

> Hello!
>
> Thanks for the explanation.
>
>> +      if (first_word)
>>
>> When the condition is not a bool, I prefer using "!= 0".
> Done.
>
> BR,
> Yury Usishchev
>
> gold/
> 2016-02-11 Yury Usishchev <y.usishchev@samsung.com>
>
> 	PR gold/19611
> 	* arm.cc (fix_exidx_coverage): Insert cantunwind when address in
> 	first unwind entry does not match start of section.
> 	* testsuite/Makefile.am (arm_exidx_test.stdout): Add dump of unwind info
> 	* testsuite/Makefile.in: Regenerate
> 	* testsuite/arm_exidx_test.c: Add sections to test unwind info merging
> 	* testsuite/arm_exidx_test.sh: Add check for correct unwind info merging
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