Re: Problems when building NT kernel drivers with GCC / LD

[Jan Beulich <jbeulich@suse.com>]

On 20.11.2022 14:10, Pali Rohár wrote:
> On Saturday 05 November 2022 02:26:52 Pali Rohár wrote:
>> On Saturday 05 November 2022 01:57:49 Pali Rohár wrote:
>>> On Monday 31 October 2022 10:55:59 Jan Beulich wrote:
>>>> On 30.10.2022 02:06, Pali Rohár via Binutils wrote:
>>>>> * GCC or LD (not sure who) sets memory alignment characteristics
>>>>>   (IMAGE_SCN_ALIGN_MASK) into the sections of PE executable binary.
>>>>>   These characteristics should be only in COFF object files, not
>>>>>   executable binaries. Specially they should not be in NT kernel
>>>>>   drivers.
>>>>
>>>> Like Martin pointed out in reply for another item, I'm pretty sure
>>>> this one was taken care of in bfd already (and iirc is in 2.39). You
>>>> fail to mention at all what versions of the various components you
>>>> use.
>>>
>>> Ou, sorry for that. I take care to write issues in all details and
>>> totally forgot to write such important information like tool versions.
>>>
>>> Now I retested all issues on Debian 11 which has LD 2.35.2 and GCC
>>> 10.2.1 and all issues are there still valid except data characteristic
>>> IMAGE_SCN_CNT_INITIALIZED_DATA for code sections IMAGE_SCN_CNT_CODE.
>>>
>>> I can easily retest it with LD 2.39 and GCC 10.3.0 which is in Debian
>>> testing.
>>
>> Retested with LD 2.39 and GCC 10.3.0 which is in Debian testing and
>> following problems are additionally fixed: --exclude-all-symbols,
>> --dynamicbase and IMAGE_SCN_ALIGN_MASK (which you mentioned above). All
>> other still reminds.
>>
>> Do you need some other information?
> 
> Hello! I would like to ask if you need some other details or something
> else for these issues.

Well, generally speaking it might help if you could provide smallish
testcases for every item individually. But then, with you replying to
me specifically, perhaps you're wrongly assuming that I would be
planning to look into addressing any or all of these? My earlier reply
was merely to point out that _some_ work has already been done ...

Jan