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| author | Matthew Maurer <matthew.r.maurer@gmail.com> | 2023-12-12 13:37:04 -0800 |
|---|---|---|
| committer | Florian Schmiderer <florian.schmiderer@posteo.net> | 2024-06-25 18:23:41 +0200 |
| commit | 9b0ae75ecc485d668232c9c85f0090fb85668312 (patch) | |
| tree | 2ad4a6f802fb5eef10f7d15d6fe948a7499b72f8 /compiler/rustc_feature/src | |
| parent | ac7595fdb1ee2aafecdd99cd8a3e56192639ada6 (diff) | |
| download | rust-9b0ae75ecc485d668232c9c85f0090fb85668312.tar.gz rust-9b0ae75ecc485d668232c9c85f0090fb85668312.zip | |
Support `#[patchable_function_entries]`
See [RFC](https://github.com/maurer/rust-rfcs/blob/patchable-function-entry/text/0000-patchable-function-entry.md) (yet to be numbered) TODO before submission: * Needs an RFC * Improve error reporting for malformed attributes
Diffstat (limited to 'compiler/rustc_feature/src')
| -rw-r--r-- | compiler/rustc_feature/src/builtin_attrs.rs | 7 | ||||
| -rw-r--r-- | compiler/rustc_feature/src/unstable.rs | 3 |
2 files changed, 10 insertions, 0 deletions
diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index c53bf965139..b5f9f2c715f 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -584,6 +584,13 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ pointee, Normal, template!(Word), ErrorFollowing, EncodeCrossCrate::No, derive_smart_pointer, experimental!(pointee) ), + + // FIXME RFC + // `#[patchable_function_entry(prefix(n), entry(n))]` + gated!( + patchable_function_entry, Normal, template!(List: "prefix(n), entry(n)"), ErrorPreceding, + experimental!(patchable_function_entry) + ), // ========================================================================== // Internal attributes: Stability, deprecation, and unsafe: diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 2dfaac8f6e7..796475e766f 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -565,6 +565,9 @@ declare_features! ( (unstable, offset_of_slice, "CURRENT_RUSTC_VERSION", Some(126151)), /// Allows using `#[optimize(X)]`. (unstable, optimize_attribute, "1.34.0", Some(54882)), + /// Allows specifying nop padding on functions for dynamic patching. + // FIXME this needs an RFC # + (unstable, patchable_function_entry, "CURRENT_RUSTC_VERSION", Some(9999)), /// Allows postfix match `expr.match { ... }` (unstable, postfix_match, "1.79.0", Some(121618)), /// Allows `use<'a, 'b, A, B>` in `impl Trait + use<...>` for precise capture of generic args. |