project-ffi-unwind
A working-group project to extend the Rust language to support unwinding that crosses FFI boundaries.
- Shepherds:
- Rust lang team contacts:
- Our chat room
- Our charter
- Our plan
- Cross-language unwinding FAQ
Roadmap and current status
ffi-unwind table
Key
- ✅ -- available and well-defined on stable
- 💛 -- available on nightly
- 💞 -- open RFC
- 💬 -- under active discussion
- 🕐 -- not yet under active discussion
- 🚫 -- out of scope for this group, no current plans to implement or specify
Table
| Thing | linux | mac | msvc | other targets |
|---|---|---|---|---|
| "C unwind" ABI | 💬 | 💬 | 💬 | 💬 |
| propagate Rust panic through native frame, no destructors | 🕐 | 🕐 | 🕐 | 🚫 |
| propagate Rust panic through native frame, with destructors | 🕐 | 🕐 | 🕐 | 🚫 |
| propagate native exception through Rust frame, no destructors | 🕐 | 🕐 | 🕐 | 🚫 |
| propagate native exception through Rust frame, with destructors | 🕐 | 🕐 | 🕐 | 🚫 |
| catch Rust panic within native code | 🚫 | 🚫 | 🚫 | 🚫 |
| catch native exception within Rust code | 🚫 | 🚫 | 🚫 | 🚫 |