From: Georg-Johann Lay <avr@gjlay.de>
To: Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
Cc: gcc-patches@gcc.gnu.org, Denis Chertykov <chertykov@gmail.com>
Subject: Re: [Patch, avr] Fix PR 71151
Date: Wed, 22 Jun 2016 18:23:00 -0000 [thread overview]
Message-ID: <576AD79E.6090209@gjlay.de> (raw)
In-Reply-To: <87lh258ufn.fsf@atmel.com>
Senthil Kumar Selvaraj schrieb:
> Senthil Kumar Selvaraj writes:
>
>> Georg-Johann Lay writes:
>>
>>> Senthil Kumar Selvaraj schrieb:
>>>> Hi,
>>>>
>>>> [set JUMP_TABLES_IN_TEXT_SECTION to 1]
>>
>> I added tests that use linker relaxation and discovered a relaxation bug
>> in binutils 2.26 (and later) that messes up symbol values in the
>> presence of alignment directives. I'm working on that right now -
>> hopefully, it'll get backported to the release branch.
>>
>> Once that gets upstream, I'll resend the patch - with more tests, and
>> incorporating your comments.
>>
>
> There were two binutils bugs (PR ld/20221 and ld/20254) that were
> blocking this patch - on enabling, relaxation, jumptables were
> getting corrupted. Both of the issues are now fixed, and the fixes
> are in master and 2.26 branch.
Should we mention in the release notes that Binutils >= 2.26 is needed
for avr-gcc >= 6 ?
Maybe even check during configure whether an appropriate version of
Binutils is used?
Johann
next prev parent reply other threads:[~2016-06-22 18:23 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-03 14:29 Senthil Kumar Selvaraj
2016-06-03 16:52 ` Georg-Johann Lay
2016-06-07 11:57 ` Senthil Kumar Selvaraj
2016-06-16 7:28 ` Senthil Kumar Selvaraj
2016-06-16 16:51 ` Denis Chertykov
2016-06-17 4:39 ` Senthil Kumar Selvaraj
2016-08-01 9:42 ` [avr,backported,6] " Georg-Johann Lay
2016-06-22 18:23 ` Georg-Johann Lay [this message]
2016-06-23 6:45 ` [Patch, avr] " Senthil Kumar Selvaraj
2016-06-23 16:16 ` Georg-Johann Lay
2016-06-23 17:51 ` Mike Stump
2016-06-04 14:19 ` Georg-Johann Lay
2016-06-17 12:59 ` Georg-Johann Lay
2016-06-19 6:24 ` Senthil Kumar Selvaraj
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