91f128baf7
Move EH personality functions to std These were previously in the panic_unwind crate with dummy stubs in the panic_abort crate. However it turns out that this is insufficient: we still need a proper personality function even with -C panic=abort to handle the following cases: 1) `extern "C-unwind"` still needs to catch foreign exceptions with -C panic=abort to turn them into aborts. This requires landing pads and a personality function. 2) ARM EHABI uses the personality function when creating backtraces. The dummy personality function in panic_abort was causing backtrace generation to get stuck in a loop since the personality function is responsible for advancing the unwind state to the next frame. Fixes #41004 |
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| src | ||
| Cargo.toml | ||
| README.md | ||
Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.