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Tracking issue for experimental "panic-unwind" and "backtrace" features #3

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taiki-e opened this issue Mar 22, 2023 · 0 comments

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taiki-e commented Mar 22, 2023 •

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This issue tracks the experimental "panic-unwind" feature.

Provide -C panic=unwind support for panic handler and enable semihosting::experimental::panic::catch_unwind.

And the experimental "backtrace" feature.

Provide backtrace support for panic handler.

Both features currently use unwinding crate to support unwinding.

Open issues

This currently requires nightly compiler. AFAIK, there is no way to implement this soundly on stable, at least until #![feature(c_unwind)] is stabilized.
This does not support all the targets this crate supports.

TODO: write more on open issues

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