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[Bug ld/25665] aarch64 veneers not inserted with large .text object betw
From: |
wdijkstr at arm dot com |
Subject: |
[Bug ld/25665] aarch64 veneers not inserted with large .text object between caller and target |
Date: |
Tue, 07 Apr 2020 19:41:11 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=25665
Wilco <wdijkstr at arm dot com> changed:
What |Removed |Added
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CC| |wdijkstr at arm dot com
--- Comment #9 from Wilco <wdijkstr at arm dot com> ---
(In reply to rrorden from comment #8)
> So the proposal is to add an aarch64 linker option that places stubs after
> input sections that need them, just like aarch32, and I would need to
> implement the -ffunction-sections behavior in our aot compiler so each
> function (and they are relatively small) gets a unique section name. The A53
> erratum would not force every stub section to align to 4k, but that is a
> worst-case scenario. If this is correct, I am okay with it.
You don't need to place every function in its own section (that would add a lot
of overhead if there are millions), just avoid creating sections larger than
say 127MBytes (that allows for >87000 long branch veneers).
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- [Bug ld/25665] aarch64 veneers not inserted with large .text object between caller and target, tnfchris at sourceware dot org, 2020/04/03
- [Bug ld/25665] aarch64 veneers not inserted with large .text object between caller and target, tnfchris at sourceware dot org, 2020/04/07
- [Bug ld/25665] aarch64 veneers not inserted with large .text object between caller and target, rrorden at ptc dot com, 2020/04/07
- [Bug ld/25665] aarch64 veneers not inserted with large .text object between caller and target, tnfchris at sourceware dot org, 2020/04/07
- [Bug ld/25665] aarch64 veneers not inserted with large .text object between caller and target, rrorden at ptc dot com, 2020/04/07
- [Bug ld/25665] aarch64 veneers not inserted with large .text object between caller and target, tnfchris at sourceware dot org, 2020/04/07
- [Bug ld/25665] aarch64 veneers not inserted with large .text object between caller and target, rrorden at ptc dot com, 2020/04/07
- [Bug ld/25665] aarch64 veneers not inserted with large .text object between caller and target,
wdijkstr at arm dot com <=
- [Bug ld/25665] aarch64 veneers not inserted with large .text object between caller and target, rrorden at ptc dot com, 2020/04/07
- [Bug ld/25665] aarch64 veneers not inserted with large .text object between caller and target, tnfchris at sourceware dot org, 2020/04/07
- [Bug ld/25665] aarch64 veneers not inserted with large .text object between caller and target, tnfchris at sourceware dot org, 2020/04/22
- [Bug ld/25665] aarch64 veneers not inserted with large .text object between caller and target, rrorden at ptc dot com, 2020/04/22
- [Bug ld/25665] aarch64 veneers not inserted with large .text object between caller and target, wdijkstr at arm dot com, 2020/04/22
- [Bug ld/25665] aarch64 veneers not inserted with large .text object between caller and target, tnfchris at sourceware dot org, 2020/04/22
- [Bug ld/25665] aarch64 veneers not inserted with large .text object between caller and target, tnfchris at sourceware dot org, 2020/04/22
- [Bug ld/25665] aarch64 veneers not inserted with large .text object between caller and target, wdijkstr at arm dot com, 2020/04/30