[PATCH 0/6] ld: Add "-z textonly" option to ELF linker
H.J. Lu
hjl.tools@gmail.com
Wed Jan 10 13:08:00 GMT 2018
On Tue, Jan 9, 2018 at 8:45 PM, Alan Modra <amodra@gmail.com> wrote:
> On Wed, Jan 10, 2018 at 09:40:19AM +1030, Alan Modra wrote:
>> that means a glibc change is needed (I think). Can we make ld.so
>> clear out leading and trailing rubbish from PF_X segments for glibc
>> 2.27?
>
> On second thoughts, that's not such a good idea. If we write to a
> memory page it becomes unshared. So it seems we must align to
> common-page-size.
>
LOAD segments needs to aligned to max-page-size. RELRO is
optional, ignore it at run-time won't break programs.
--
H.J.
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