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From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: Florian Weimer <fweimer@redhat.com>
Cc: "H.J. Lu" <hjl.tools@gmail.com>,
	GNU C Library <libc-alpha@sourceware.org>
Subject: Re: [PATCH] elf: Add elf checks for main executable
Date: Tue, 7 Dec 2021 14:35:48 -0300	[thread overview]
Message-ID: <b3baf304-96c2-6773-80e5-1a99f3103c0d@linaro.org> (raw)
In-Reply-To: <87czm8quz3.fsf@oldenburg.str.redhat.com>



On 07/12/2021 12:45, Florian Weimer wrote:
> * Adhemerval Zanella:
> 
>> It does, but only for specific configurations.  bintutils does have a
>> testcase for it, pr21375*, but not all configurations does bump because
>> they do not require ABS relocations (for instance, for n64 -mmicromips
>> --defsym hidn=1 does set the ABI version to 4).
> 
> Should this tell us something at DT_RELR?  That binutils doesn't help us
> to prevent crashes for other features?

I think it tell us that binutils support for DT_RELR or any other potential
abi disruptive feature will need a better ABI enforce for all Linux or
affected ABI.  It seems that binutils support are not really unified with
the multiples architectures and ABI. 

But I think it should be doable on linker side.

  reply	other threads:[~2021-12-07 17:35 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-19 15:03 Adhemerval Zanella
2021-11-19 15:33 ` H.J. Lu
2021-11-19 16:05   ` H.J. Lu
2021-11-19 17:06     ` Adhemerval Zanella
2021-12-06 19:03 ` H.J. Lu
2021-12-06 19:09 ` Florian Weimer
2021-12-06 19:22   ` H.J. Lu
2021-12-06 20:31     ` Adhemerval Zanella
2021-12-06 20:37       ` Florian Weimer
2021-12-06 21:07         ` Adhemerval Zanella
2021-12-07 15:45           ` Florian Weimer
2021-12-07 17:35             ` Adhemerval Zanella [this message]
2021-12-08  0:01               ` Fāng-ruì Sòng
2021-12-08 10:19                 ` Florian Weimer
2021-12-14  0:17                   ` Fāng-ruì Sòng
2021-12-14  9:03                     ` Florian Weimer
2021-12-14  9:09                       ` Fāng-ruì Sòng
2021-12-14  9:18                         ` Florian Weimer
2021-12-14 19:03                           ` Fangrui Song
2021-12-14 12:28                         ` Adhemerval Zanella
2021-12-14 12:23                       ` Adhemerval Zanella
2021-12-14 19:24                         ` Fangrui Song
2021-12-14 21:07                           ` Adhemerval Zanella
2021-12-14 21:30                             ` Fangrui Song
2021-12-14 21:53                               ` Florian Weimer
2021-12-14 23:08                                 ` Fangrui Song

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