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doc/go1.21: NOFRAME heuristic changes

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For #58378

Change-Id: I960b97f33a8bf29d3a9622b58d278544d0970a38
Reviewed-on: https://go-review.googlesource.com/c/go/+/501516
Reviewed-by: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Quim Muntal <quimmuntal@gmail.com>
Reviewed-by: David Chase <drchase@google.com>
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qmuntal 2023-06-08 12:39:05 +02:00 committed by David Chase
parent a272d1f687
commit 765bd691e2
1 changed files with 8 additions and 0 deletions
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@ -318,6 +318,14 @@ Do not send CLs removing the interior tags from such phrases.
<h2 id="assembler">Assembler</h2>
<!-- https://go.dev/issue/58378 -->
<p>
On amd64, frameless nosplit assembly functions are no longer automatically marked as <code>NOFRAME</code>.
Instead, the <code>NOFRAME</code> attribute must be explicitly specified if desired,
which is already the behavior on other architectures supporting frame pointers.
With this, the runtime now maintains the frame pointers for stack transitions.
</p>
<!-- CL 476295 -->
<p>
The verifier that checks for incorrect uses of <code>R15</code> when dynamic linking on amd64 has been improved.