On 12 May 2010 20:21, Vincent Bernat wrote:
> Luca, thanks for your answer. Unfortunately, using
> __attribute__((aligned(2))) would align the pointer to struct
> sockaddr. I have no way to force alignment of the struct itself.
Gee, I completely misread the code
On 05/12/2010 01:21 PM, Vincent Bernat wrote:
While I have fixed my warnings, I am still a bit astonished that such a
common code as :
sa = (struct sockaddr_in *)ifa->ifa_addr;
if (... sa->sin_addr ...) ...
can lead to a misaligned access on ARM. Maybe there is something
somewhere t
OoO En cette soirée bien amorcée du mardi 11 mai 2010, vers 22:41, je
disais:
>> lldpd, a program of my own, available on https://trac.luffy.cx/lldpd/ ,
> [...]
> I have another alignment problem on ARM (still not related to
> Debian). Since I did get valuable help here last year,
Have you tried changing
struct sockaddr *ifa_addr;
with
struct sockaddr *ifa_addr __attribute__((aligned(2)));
in your declaration of struct ifaddrs?
That attribute lets you force an arbitrary alignment for a variable.
Cheers,
Luca
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OoO Peu avant le début de l'après-midi du samedi 07 mars 2009, vers
13:03, je disais:
> lldpd, a program of my own, available on https://trac.luffy.cx/lldpd/ ,
[...]
Hi again!
I have another alignment problem on ARM (still not related to
Debian). Since I did get valuable help he
[off list]
On 3/7/09, Vincent Bernat wrote:
> Unfortunately, I need root access to be able to inject packets. I will
> try to get access to some NSLU2 platform.
Mmm, not that I don't trust you but I have to guarantee the service
for other users.
If you get stuck, let me know, as I can copy th
OoO Peu avant le début de l'après-midi du samedi 07 mars 2009, vers
13:40, Martin Guy disait :
>> I have followed the howto available here:
>> http://www.aurel32.net/info/debian_arm_qemu.php
>> to setup an ARM system. However, I have no alignment issues with this
>> platform. What kind
On 3/7/09, Vincent Bernat wrote:
> I have followed the howto available here:
> http://www.aurel32.net/info/debian_arm_qemu.php
> to setup an ARM system. However, I have no alignment issues with this
> platform. What kind of ARM platform may I setup that would produce
> no error but inc
On 3/7/09, Vincent Bernat wrote:
> lldpd, a program of my own, available on https://trac.luffy.cx/lldpd/ ,
> is doing some unaligned memory access.
>
> What kind of ARM platform may I setup that would produce
> no error but incorrect data when reading unaligned int?
It depends on the se
Hi!
lldpd, a program of my own, available on https://trac.luffy.cx/lldpd/ ,
is doing some unaligned memory access. There is no problem on x86 but I
have a user that runs into trouble with ARM. I am novice on ARM
architecture. I have understood the alignment problem and I have
mo
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