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Implement -fstack-clash-protection #3651

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JohanEngelen opened this issue Feb 2, 2021 · 1 comment
Open

Implement -fstack-clash-protection #3651

JohanEngelen opened this issue Feb 2, 2021 · 1 comment
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B-new-feature good first issue llvm Related to LLVM

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@JohanEngelen
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https://blog.llvm.org/posts/2021-01-05-stack-clash-protection/

Appears to be as simple as adding {"probe-stack"="inline-asm"} to all function attributes.
@kubo39
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kubo39 commented Apr 5, 2021

FYI: It seems that probe-stack=inline-asm produces wrong DWARF information due to LLVM's bug. https://bugs.llvm.org/show_bug.cgi?id=49600

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