Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: fbfeafe1da84721c27cdde260162c74367dd4a41
https://github.com/WebKit/WebKit/commit/fbfeafe1da84721c27cdde260162c74367dd4a41
Author: Vassili Bykov <[email protected]>
Date: 2025-11-20 (Thu, 20 Nov 2025)
Changed paths:
M Source/JavaScriptCore/llint/InPlaceInterpreter64.asm
Log Message:
-----------
In IPInt calls, save the pointer to the first non-arg stack slot as a
frame-relative value
https://bugs.webkit.org/show_bug.cgi?id=302877
rdar://165141831
Reviewed by Dan Hecht.
As part of the call sequence, IPInt computes the address of the first
non-argument Wasm
stack slot and stores it on the stack. After the call the address is used while
pushing
the return values. To simplify JSPI implementation, we should store the address
as a value
relative to the frame pointer, so stack data can be easily moved to a different
address.
The patch makes this change together with comment updates to keep them current.
Tests: covered by existing ones.
Canonical link: https://commits.webkit.org/303359@main
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