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Date: Tue, 28 Oct 2014 14:20:43 +0100
From: Matthias Klein <matthias.klein@optimeas.de>
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Subject: Re: [ptxdist] arm-1136jfs-linux-gnueabihf-ld: warning: -z ,
 relro ignored. at module compilation
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Am 28.10.2014 um 12:16 schrieb Juergen Borleis:
> Hi Matthias,
>
> On Tuesday 28 October 2014 12:00:33 Matthias Klein wrote:
>> can anyone give me a tip what the following warnings mean while
>> compiling a kernel module:#
>>
>> [...]
>>
>> arm-1136jfs-linux-gnueabihf-ld: warning: -z ,now ignored.
>>
>> [...]
> Did you add something to "ptxdist platform -> architecture -> extra toolchain
> options"?
>
> Or did you enable the "hardening options" (like TARGET_HARDEN_RELRO for
> example)? Then you should let PTXdist sort out these options for your kernel
> module. They are important for userland only. Refer the "kernel.make" rule
> file and the macro "*_WRAPPER_BLACKLIST". The same you need for your module
> rule file.

Thanks for the pointer!

TARGET_HARDEN_FORTIFY, TARGET_HARDEN_RELRO and TARGET_HARDEN_BINDNOW was 
activated which I was not aware about.


Best regards,
Matthias


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