[webkit-changes] [WebKit/WebKit] cb7e8c: Fix btjs with alt_entry labels in LLInt

[Keith Miller]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: cb7e8c7b8d204c23cc536ca5f1c1d703d7848045
      https://github.com/WebKit/WebKit/commit/cb7e8c7b8d204c23cc536ca5f1c1d703d7848045
  Author: Keith Miller <keith_miller at apple.com>
  Date:   2024-09-27 (Fri, 27 Sep 2024)

  Changed paths:
    M Source/JavaScriptCore/llint/LowLevelInterpreter.cpp
    M Tools/lldb/lldb_webkit.py

  Log Message:
  -----------
  Fix btjs with alt_entry labels in LLInt
https://bugs.webkit.org/show_bug.cgi?id=280513
rdar://136829865

Reviewed by Justin Michaud.

Now that we have all our alt_entry labels `lldb` has a hard time
figuring out that we're in LLInt code, thus btjs doesn't end up
calling `CallFrame::describeFrame`. This patch uses jsc_llint_begin
and a new jsc_llint_end labels to determine we're in LLInt now,
which should be more robust.

* Source/JavaScriptCore/llint/LowLevelInterpreter.cpp:
* Tools/lldb/lldb_webkit.py:
(btjs):

Canonical link: https://commits.webkit.org/284361@main



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