[PATCH] riscv: restore ABI compatibility (bug 24484)

[Andreas Schwab]

On Jul 04 2019, Szabolcs Nagy <Szabolcs.Nagy@arm.com> wrote:

> On 04/07/2019 13:31, Andreas Schwab wrote:
>> On Jul 04 2019, Szabolcs Nagy <Szabolcs.Nagy@arm.com> wrote:
>> 
>>> On 04/07/2019 09:37, Andreas Schwab wrote:
>>>> On Jul 04 2019, Florian Weimer <fweimer@redhat.com> wrote:
>>>>
>>>>> Perhaps indicate somewhere that “a read-only dynamic section is not
>>>>> relocated by the loader” or something like that, so that someone not
>>>>> familiar with the MIPS mechanism understands the ABI difference?
>>>>
>>>> I think we should make DL_RO_DYN_SECTION the default for new ports, like
>>>> everyone else does.
>>>
>>> then DT_DEBUG does not work.
>> 
>> In which way?
>
> so is .dynamic actually mapped readonly?

No.  You would have to reorganize the segments to be able to do that.

> or is this DL_RO_DYN_SECTION just about the 'relocated DT_ entries' abi?

Yes.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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