Re: [PATCH v6 5/5] NEWS: Mention DT_RELR support

[Adhemerval Zanella <adhemerval.zanella@linaro.org>]

On 29/03/2022 20:34, Fangrui Song wrote:
> On 2022-03-29, H.J. Lu via Libc-alpha wrote:
>> On Tue, Mar 29, 2022 at 10:25 AM Adhemerval Zanella via Libc-alpha
>> <libc-alpha@sourceware.org> wrote:
>>>
>>>
>>>
>>> On 10/03/2022 17:03, H.J. Lu via Libc-alpha wrote:
>>> > ---
>>> >  NEWS | 3 ++-
>>> >  1 file changed, 2 insertions(+), 1 deletion(-)
>>> >
>>> > diff --git a/NEWS b/NEWS
>>> > index 626eeabf5d..5d64b794f1 100644
>>> > --- a/NEWS
>>> > +++ b/NEWS
>>> > @@ -9,7 +9,8 @@ Version 2.36
>>> >
>>> >  Major new features:
>>> >
>>> > -  [Add new features here]
>>> > +* Support DT_RELR relative relocation format generated with the linker
>>>
>>> Maybe
>>>
>>>  * Support for DT_RELR relocation relocation format has been added to
>>>    glibc.  This is a new ELF section type that improves the size of relative
>>>    relocations in shared object files and position independent
>>>    executables (PIE).  DT_RELR support requires linker support for
>>>    -z pack-relative-relocs option, which is supported for some abi in recent
>>>    binutils versions.
>>>
>>>
>>> > +  option, -z pack-relative-relocs.
>>> >
>>> >  Deprecated and removed features, and other changes affecting compatibility:
>>> >
>>
>> How about this?
>>
>> * Support for DT_RELR relative relocation format has been added to
>>  glibc.  This is a new ELF dynamic tag that improves the size of
>>  relative relocations in shared object files and position independent
>>  executables (PIE).  DT_RELR generation requires linker support for
>>  -z pack-relative-relocs option, which is supported for some targets
>>  in recent binutils versions.
>>
> 

Look ok.

> Perhaps more specific (a user may want to know what "recent" means): for x86-64 in binutils 2.38.
> It may or may not be worth adding words to imply that ld support for other targets will come in the future:)

I think 'recent' should be ok since we don't know if distros will backport it
(so tying to a version might be misleading).