Am 17.10.2013 13:21, schrieb Zhou Zhu:
> On 10/17/2013 06:31 PM, Matthew Gretton-Dann wrote:
>> Hi,
>>
>> On 16 October 2013 11:45, Zhou Zhu <zz...@marvell.com> wrote:
>>> Hi,
>>> We are working on userspace aarch64 and aarch32 apps and we are trying to
>>> run 32/64 mode app simultaneously.
>>> Is there any multi-arch support for mixed rootfs (has linkers/libs of both
>>> arm and arm64)?
>>
>> It is possible to run both AArch32 (arm) and AArch64 (arm64)
>> applications under an arm64 kernel.
>>
>> What is not possible is for an AArch32 user-space program to use an
>> AArch64 user-space library (or any combination like this).
>>
>> So if you want to run 32-bit user-space programs you need to have
>> installed all the 32-bit user-space libraries as well.
>>
>> Thanks,
>>
>> Matt
>>
>
> So how does the libraries place in the rootfs? like lib/lib64 as in x86/x64?
> Is there any similar rule in arm/arm64 system (whatever
> openebedded/ubuntu/android/...) for that? Like multi arch spec in ubuntu?
This should be {,/usr}/lib/{arm-linux-gnueabihf,aarch64-linux-gnu} on Ubuntu.
Matthias
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