On 03/19/2015 09:01 AM, Marat Zakirov wrote:
>
> On 03/04/2015 11:07 AM, Andrew Pinski wrote:
>> On Wed, Mar 4, 2015 at 12:00 AM, Marat Zakirov 
>> <m.zakirov@samsung.com> wrote:
>>> Hi all!
>>>
>>> Here is the patch which forces ASan to work on memory access without 
>>> proper
>>> alignment. it's useful because some programs like linux kernel often 
>>> cheat
>>> with alignment which may cause false negatives. This patch needs 
>>> additional
>>> support for proper work on unaligned accesses in global data and 
>>> heap. It
>>> will be implemented in libsanitizer by separate patch.
>>>
>>>
>>> --Marat
>>>
>>> gcc/ChangeLog:
>>>
>>> 2015-02-25  Marat Zakirov  <m.zakirov@samsung.com>
>>>
>>>          * asan.c (asan_emit_stack_protection): Support for misalign
>>> accesses.
>>>          (asan_expand_check_ifn): Likewise.
>>>          * params.def: New option asan-catch-misaligned.
>>>          * params.h: New param ASAN_CATCH_MISALIGNED.
>> Since this parameter can only be true or false, I think it should be a
>> normal option.  Also you did not add documentation of the param.
>>
>> Thanks,
>> Andrew
> Fixed.
>