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Use renamed atomic intrinsics in panic_unwind

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This commit is contained in:
Tomasz Miąsko 2022-08-13 00:00:00 +00:00
parent 3bc5e322cf
commit f5db0c7110
1 changed files with 9 additions and 6 deletions
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15
library/panic_unwind/src/seh.rs
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@ -256,7 +256,7 @@ cfg_if::cfg_if! {
}
pub unsafe fn panic(data: Box<dyn Any + Send>) -> u32 {
use core::intrinsics::atomic_store;
use core::intrinsics::atomic_store_seqcst;
// _CxxThrowException executes entirely on this stack frame, so there's no
// need to otherwise transfer `data` to the heap. We just pass a stack
@ -288,20 +288,23 @@ pub unsafe fn panic(data: Box<dyn Any + Send>) -> u32 {
//
// In any case, we basically need to do something like this until we can
// express more operations in statics (and we may never be able to).
atomic_store(&mut THROW_INFO.pmfnUnwind as *mut _ as *mut u32, ptr!(exception_cleanup) as u32);
atomic_store(
atomic_store_seqcst(
&mut THROW_INFO.pmfnUnwind as *mut _ as *mut u32,
ptr!(exception_cleanup) as u32,
);
atomic_store_seqcst(
&mut THROW_INFO.pCatchableTypeArray as *mut _ as *mut u32,
ptr!(&CATCHABLE_TYPE_ARRAY as *const _) as u32,
);
atomic_store(
atomic_store_seqcst(
&mut CATCHABLE_TYPE_ARRAY.arrayOfCatchableTypes[0] as *mut _ as *mut u32,
ptr!(&CATCHABLE_TYPE as *const _) as u32,
);
atomic_store(
atomic_store_seqcst(
&mut CATCHABLE_TYPE.pType as *mut _ as *mut u32,
ptr!(&TYPE_DESCRIPTOR as *const _) as u32,
);
atomic_store(
atomic_store_seqcst(
&mut CATCHABLE_TYPE.copyFunction as *mut _ as *mut u32,
ptr!(exception_copy) as u32,
);