[mini] Dynamically allocate a buffer for large runtime invoke results #58215
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Tagging subscribers to this area: Issue DetailsIf the return type is a struct that's bigger than our buffer, malloc a Related to #58190
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If the return type is a struct that's bigger than our buffer, malloc a buffer for it instead of using a fixed-size stack buffer
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Fixes various tests in InvokeRefReturnNetcoreTests
lambdageek
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SamMonoRT,
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vargaz
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I think we want this for 6.0. |
imhameed
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Aug 30, 2021
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/backport to release/6.0 |
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Started backporting to release/6.0: https://github.com/dotnet/runtime/actions/runs/1182670893 |
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Fixes dotnet#58957 Related to dotnet#58215 which was attempting to fix dotnet#58190
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) * [mini] Use alloca for runtime_invoke retval buffer Fixes #58957 Related to #58215 which was attempting to fix #58190 * Set initial return buffer size to TARGET_SIZEOF_VOID_P In the common case we use the return buffer just to hold a pointer to the return value Co-authored-by: Aleksey Kliger <[email protected]> Co-authored-by: Aleksey Kliger <[email protected]>
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If the return type is a struct that's bigger than our buffer, malloc a buffer for it instead of using a fixed-size stack buffer.
Also take the ref-return logic from #52501 and add it to the non-LLVM runtime-invoke
This makes the
System.Runtimetestsuite (particularlyInvokeRefReturnNetcoreTests) pass on M1 MacCatalyst FullAOT.Related to #58190