Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 7dbed20e73b0c8ef5831a07a1bab1135f64b6781
https://github.com/WebKit/WebKit/commit/7dbed20e73b0c8ef5831a07a1bab1135f64b6781
Author: Mark Lam <[email protected]>
Date: 2023-02-03 (Fri, 03 Feb 2023)
Changed paths:
M Source/JavaScriptCore/llint/LowLevelInterpreter.asm
M Source/WTF/wtf/StackPointer.cpp
M Source/WTF/wtf/StackPointer.h
Log Message:
-----------
Implement a more accurate currentStackPointer().
https://bugs.webkit.org/show_bug.cgi?id=251667
rdar://104993866
Reviewed by Justin Michaud.
currentStackPointer() was already accurate for some ports (the ones that support
inline assembly), but for others or when using a Debug build, we fall back to a
C++
runtime function that only gives an approximate value. This patch implements a
currentStackPointer() that is accurate for all currently support ports even when
using a Debug build.
* Source/JavaScriptCore/llint/LowLevelInterpreter.asm:
* Source/WTF/wtf/StackPointer.cpp:
(WTF::currentStackPointer):
* Source/WTF/wtf/StackPointer.h:
Canonical link: https://commits.webkit.org/259818@main
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