Re: [PATCH] UML: don't discard .text.exit section

From: Andrey Ryabinin
Date: Fri Aug 19 2016 - 07:03:42 EST


On 08/19/2016 03:14 AM, Dmitry Vyukov wrote:
> On Thu, Aug 18, 2016 at 3:08 AM, Andrey Ryabinin
> <aryabinin@xxxxxxxxxxxxx> wrote:
>>
>>>
>>> Sorry for delays, I am travelling.
>>> Do we need ".fini_array" section? It's also destructors that we don't
>>> run. Or does UML use them? Does discarding ".fini_array" help?
>>>
>>
>> libc has desctructors and use them for whatever purpose it needs.
>
>
> Does UML actually gracefully exit running global destructors? That
> would also require gracefully shutting down all threads/cpus. Doesn't
> it just _exit (or syscall(SYS_exit_group))?
>

Sigh, I dunno, I didn't look that far. My intention was to fix build and keep old behavior unaffected.
If you want to wipe destructors, and think that this is ok, go ahead.