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| author | Björn Steinbrink <bsteinbr@gmail.com> | 2015-09-11 20:10:43 +0200 |
|---|---|---|
| committer | Björn Steinbrink <bsteinbr@gmail.com> | 2015-09-14 11:36:09 +0200 |
| commit | 3ef75d5774cb9a7cf839a69341c620b98fa9c7df (patch) | |
| tree | 390d168efade16f67b4651405d89a0884d51ee0a /src/libstd/sys/common/libunwind.rs | |
| parent | e4e67bd489934702e4958a03bb4c948919d38920 (diff) | |
Mark all extern functions as nounwind
Unwinding across an FFI boundary is undefined behaviour, so we can mark all external function as nounwind. The obvious exception are those functions that actually perform the unwinding.
Diffstat (limited to 'src/libstd/sys/common/libunwind.rs')
| -rw-r--r-- | src/libstd/sys/common/libunwind.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libstd/sys/common/libunwind.rs b/src/libstd/sys/common/libunwind.rs index fde612014e9..c6bffb0f733 100644 --- a/src/libstd/sys/common/libunwind.rs +++ b/src/libstd/sys/common/libunwind.rs @@ -124,10 +124,12 @@ extern "C" { // iOS on armv7 uses SjLj exceptions and requires to link // against corresponding routine (..._SjLj_...) #[cfg(not(all(target_os = "ios", target_arch = "arm")))] + #[unwind] pub fn _Unwind_RaiseException(exception: *mut _Unwind_Exception) -> _Unwind_Reason_Code; #[cfg(all(target_os = "ios", target_arch = "arm"))] + #[unwind] fn _Unwind_SjLj_RaiseException(e: *mut _Unwind_Exception) -> _Unwind_Reason_Code; |