Re: [Qemu-devel] [PATCH] linux-user: elfload: Still use TARGET_PAGE_SIZE for i386 guest

[gchen gchen]

On 2015年08月12日 14:45, Richard Henderson wrote:
> On 08/11/2015 11:03 PM, gchen gchen wrote:
>> Under Alpha host, for ubuntu12.04.5 i386 guest, it will cause failure:
>> "Invalid ELF image for this architecture".
>>
>> The related issue commit is "a70daba linux-user: Tell guest about big
>> host page sizes".
>>
>> Signed-off-by: Chen Gang<address@hidden>
>> ---
>>   linux-user/elfload.c | 4 ++++
>>   1 file changed, 4 insertions(+)
>
> Nack.  There's 99 problems with host page size> guest page size.  This
> solves none of them, and in the hackiest way possible.
>

Under alpha virtual machine, if set i386 guest page size 8KB, it will
cause failure directly (any dynamically linked binaries can not work).

This fix can let i386 bash/cp/vi/ls run under alpha virtual machine,
although there maybe be many other issues (which I did not meet, now).

Do you have any other ideas for solving this issue?  e.g. can we rebuild
all i386 programs with segment alignment to 8KB? I am not quite sure,
but some i386 programs (which are interested in) have no source code!
:-(.


Thanks.
--
Chen Gang

Open, share, and attitude like air, water, and life which God blessed