Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 68768cee2adf785612f9d889e5227deb2c0a647b
https://github.com/WebKit/WebKit/commit/68768cee2adf785612f9d889e5227deb2c0a647b
Author: Yusuke Suzuki <[email protected]>
Date: 2024-06-20 (Thu, 20 Jun 2024)
Changed paths:
A JSTests/stress/try-get-value-without-gc.js
M Source/JavaScriptCore/runtime/JSFunction.cpp
M Source/JavaScriptCore/runtime/JSString.cpp
M Source/JavaScriptCore/runtime/JSString.h
Log Message:
-----------
[JSC] Add JSString::resolveRopeWithoutGC and use it in GC end phase
https://bugs.webkit.org/show_bug.cgi?id=274052
rdar://128009982
Reviewed by Keith Miller.
This patch adds JSString::resolveRopeWithoutGC to handle string generation
without reporting external memory allocation to GC.
This is necessary since we may call this function in GC end phase, where GC
operations are not allowed.
But this existing code itself is not allocating GC memory actually: it is just
reporting a sidedata to GC, so it does not matter to the integrity of JSC VM.
* JSTests/stress/try-get-value-without-gc.js: Added.
(main.error):
(main):
* Source/JavaScriptCore/runtime/JSFunction.cpp:
(JSC::getCalculatedDisplayName):
* Source/JavaScriptCore/runtime/JSString.cpp:
(JSC::JSRopeString::resolveRopeToAtomString const):
(JSC::JSRopeString::resolveRopeToExistingAtomString const):
(JSC::JSRopeString::resolveRopeWithFunction const):
(JSC::JSRopeString::resolveRope const):
(JSC::JSRopeString::resolveRopeWithoutGC const):
(JSC:: const):
* Source/JavaScriptCore/runtime/JSString.h:
Canonical link: https://commits.webkit.org/280239@main
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