Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 4e67c38f20d95e6f6804d0b5242e37934cc3564a
https://github.com/WebKit/WebKit/commit/4e67c38f20d95e6f6804d0b5242e37934cc3564a
Author: David Degazio <[email protected]>
Date: 2025-04-02 (Wed, 02 Apr 2025)
Changed paths:
M Source/WTF/wtf/WTFConfig.cpp
Log Message:
-----------
Use mach_vm_map and copy instead of mach_vm_remap in
setPermissionsOfConfigPage
https://bugs.webkit.org/show_bug.cgi?id=290878
rdar://148277754
Reviewed by Mark Lam.
Reverts earlier change adopting mach_vm_remap in WTF Config initialization,
we still need to preserve any pre-WTF elements of g_config but instead of
using mach_vm_remap, we now just copy the earlier elements to a side buffer
and copy them back in once we've set the permissions. This avoids depending
on mach_vm_remap on platforms that did not previously use the syscall (namely
non-JIT Apple platforms).
* Source/WTF/wtf/WTFConfig.cpp:
(WTF::setPermissionsOfConfigPage):
Canonical link: https://commits.webkit.org/293128@main
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