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Stack probe support for x86 #21
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This seems like some pretty serious infrastructure which will break Rust's compatibility with system LLVM versions. Have you attempted to upstream these changes in LLVM yet? Our current fork of LLVM is largely just optimizations which aren't necessary for Rust to work correctly, and we strive to be compatible with system LLVM installations wherever possible. |
This attribute is used to ensure the guard page is triggered on stack overflow. Stack frames larger than the guard page size will generate a call to __probestack to touch each page so the guard page won't be skipped.
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There's http://reviews.llvm.org/D4717 |
ghost
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Should this be closed as abandoned? |
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Yeah. See rust-lang/rust#16012 for progress on this |
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Effort to fix rust-lang/rust#16012