[Webkit-unassigned] [Bug 223058] GDB can't unwind a JSC LLInt stack to show backtrace

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Mar 10 23:57:52 PST 2021


https://bugs.webkit.org/show_bug.cgi?id=223058

Yusuke Suzuki <ysuzuki at apple.com> changed:

           What    |Removed                     |Added
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                 CC|                            |ysuzuki at apple.com

--- Comment #5 from Yusuke Suzuki <ysuzuki at apple.com> ---
> The final way (new in gdb 7.10) is that you can write an unwinder in Python. When working on my JIT unwinder, I chose this approach because it is simple to debug, simple to deploy, reasonably flexible, and does not require any particular changes in the inferior.
https://stackoverflow.com/questions/34940738/how-to-use-gdb-stacktrace-with-run-time-generated-machine-code/34960328#34960328

Sounds like this is the best way in terms of complexity / memory overhead etc.

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