add no-writable attribute and flag#154946
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quiode wants to merge 2 commits intorust-lang:mainfrom
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hi, thanks for you contribution and sorry for the following quesitons, but why is this needed? is there proposal for adding this or maybe issue explaining the problem that this pr is trying to address? |
This was referenced Apr 7, 2026
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r? @RalfJung |
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thanks for updating pr description for more context |
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Co-authored-by: Redddy <midzy0228@gmail.com>
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This PR tries to address rust-lang/unsafe-code-guidelines#584 (comment). It is part of a bachelor thesis supervised by @JoJoDeveloping and @RalfJung, for more information, see: Project_Description.pdf.
This PR adds the
#[rustc_no_writable]attribute and the-Zno-writableflag. They currently have no effect, but are used in #154948 and #154949. The flag should have the same effect as the attribute, just applied globally instead of a per function basis. They should turn off the checking in miri and the addition of the llvm attribute in, better explained in the respective PR's.