[Webkit-unassigned] [Bug 210254] New: Implement a more efficient tagCFunction() tool.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=210254

            Bug ID: 210254
           Summary: Implement a more efficient tagCFunction() tool.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mark.lam at apple.com

The current tagCFunctionPtr() tool does a lot of extra work that is not needed if we are tagging a function and not a potentially arbitrary pointer.  For example,
1. it doesn't need to do a null check.
2. it doesn't need to authenticate the function address.  The RELEASE_ASSERT used to enforce that authentication can also go away.

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