Aligned operations mismatch

[Sebastian Huber]

On 23/08/18 07:29, Sebastian Huber wrote:
> Hello,
>
> On 22/08/18 16:49, Mikhail Svetkin wrote:
>> Hi all,
>>
>> I have found a problem with assembler code generation in network 
>> stack on ARM processor (aligment fault).
>>
>> I am using:
>> arm-rtems5-gcc (GCC) 7.2.0 20170814 (RTEMS 5, RSB 
>> a6d011e028a0776cedf0823940eb882e917a44e5, Newlib 2.5.0.20170922)
>>
>> The compiler generates invalid instruction 'ldmia' here 
>> (https://git.rtems.org/rtems/tree/cpukit/libnetworking/netinet/udp_usrreq.c#n160).
>>
>> The instruction does not support unaligned accesses.
>>
>> Also i have found the bug fix in FreeBSD repository 
>> (https://github.com/freebsd/freebsd/commit/6cc0e8d2a0b583db5707f811d4ebfbe1ad05e628)
>
> this is a three year old commit. Which libbsd version do you use? This 
> fix is included in the libbsd 4.11 and master branch.
>

Oh, I should have read the URL more carefully. You use the legacy 
network stack. Please open a ticket for this.

-- 
Sebastian Huber, embedded brains GmbH

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