diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index 5523543cd4f..4442b67df6e 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -36,6 +36,8 @@ const GATED_CFGS: &[GatedCfg] = &[ (sym::sanitize, sym::cfg_sanitize, cfg_fn!(cfg_sanitize)), (sym::version, sym::cfg_version, cfg_fn!(cfg_version)), (sym::relocation_model, sym::cfg_relocation_model, cfg_fn!(cfg_relocation_model)), + (sym::sanitizer_cfi_generalize_pointers, sym::cfg_sanitizer_cfi, cfg_fn!(cfg_sanitizer_cfi)), + (sym::sanitizer_cfi_normalize_integers, sym::cfg_sanitizer_cfi, cfg_fn!(cfg_sanitizer_cfi)), ]; /// Find a gated cfg determined by the `pred`icate which is given the cfg's name. diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 60586f54fd5..763bd4fc391 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -371,6 +371,8 @@ declare_features! ( (unstable, cfg_relocation_model, "1.73.0", Some(114929)), /// Allows the use of `#[cfg(sanitize = "option")]`; set when -Zsanitizer is used. (unstable, cfg_sanitize, "1.41.0", Some(39699)), + /// Allows `cfg(sanitizer_cfi_generalize_pointers)` and `cfg(sanitizer_cfi_normalize_integers)`. + (unstable, cfg_sanitizer_cfi, "CURRENT_RUSTC_VERSION", Some(89653)), /// Allows `cfg(target_abi = "...")`. (unstable, cfg_target_abi, "1.55.0", Some(80970)), /// Allows `cfg(target(abi = "..."))`. diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index 95106cc64c1..0b44071496e 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -498,6 +498,7 @@ symbols! { cfg_panic, cfg_relocation_model, cfg_sanitize, + cfg_sanitizer_cfi, cfg_target_abi, cfg_target_compact, cfg_target_feature, diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs index 6365366297c..95ee6a9b29c 100644 --- a/library/std/src/lib.rs +++ b/library/std/src/lib.rs @@ -265,6 +265,7 @@ // // Language features: // tidy-alphabetical-start +#![cfg_attr(not(bootstrap), feature(cfg_sanitizer_cfi))] #![feature(alloc_error_handler)] #![feature(allocator_internals)] #![feature(allow_internal_unsafe)] diff --git a/library/std/src/sys/unix/thread_local_dtor.rs b/library/std/src/sys/unix/thread_local_dtor.rs index ac85531c372..58f7ab84101 100644 --- a/library/std/src/sys/unix/thread_local_dtor.rs +++ b/library/std/src/sys/unix/thread_local_dtor.rs @@ -11,7 +11,7 @@ // Note, however, that we run on lots older linuxes, as well as cross // compiling from a newer linux to an older linux, so we also have a // fallback implementation to use as well. -#[allow(unexpected_cfgs)] +#[cfg_attr(bootstrap, allow(unexpected_cfgs))] #[cfg(any( target_os = "linux", target_os = "android", diff --git a/tests/ui/feature-gates/feature-gate-cfg-sanitizer_cfi.rs b/tests/ui/feature-gates/feature-gate-cfg-sanitizer_cfi.rs new file mode 100644 index 00000000000..76d96de750a --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-cfg-sanitizer_cfi.rs @@ -0,0 +1,9 @@ +#[cfg(sanitizer_cfi_generalize_pointers)] +//~^ `cfg(sanitizer_cfi_generalize_pointers)` is experimental +fn foo() {} + +#[cfg(sanitizer_cfi_normalize_integers)] +//~^ `cfg(sanitizer_cfi_normalize_integers)` is experimental +fn bar() {} + +fn main() {} diff --git a/tests/ui/feature-gates/feature-gate-cfg-sanitizer_cfi.stderr b/tests/ui/feature-gates/feature-gate-cfg-sanitizer_cfi.stderr new file mode 100644 index 00000000000..8c2a8411c7b --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-cfg-sanitizer_cfi.stderr @@ -0,0 +1,21 @@ +error[E0658]: `cfg(sanitizer_cfi_generalize_pointers)` is experimental and subject to change + --> $DIR/feature-gate-cfg-sanitizer_cfi.rs:1:7 + | +LL | #[cfg(sanitizer_cfi_generalize_pointers)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #89653 for more information + = help: add `#![feature(cfg_sanitizer_cfi)]` to the crate attributes to enable + +error[E0658]: `cfg(sanitizer_cfi_normalize_integers)` is experimental and subject to change + --> $DIR/feature-gate-cfg-sanitizer_cfi.rs:5:7 + | +LL | #[cfg(sanitizer_cfi_normalize_integers)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #89653 for more information + = help: add `#![feature(cfg_sanitizer_cfi)]` to the crate attributes to enable + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/sanitize/sanitizer-cfi-generalize-pointers-attr-cfg.rs b/tests/ui/sanitize/sanitizer-cfi-generalize-pointers-attr-cfg.rs index 3a0fc143da6..5b8de5c219e 100644 --- a/tests/ui/sanitize/sanitizer-cfi-generalize-pointers-attr-cfg.rs +++ b/tests/ui/sanitize/sanitizer-cfi-generalize-pointers-attr-cfg.rs @@ -5,5 +5,7 @@ // check-pass // compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Zsanitizer-cfi-generalize-pointers +#![feature(cfg_sanitizer_cfi)] + #[cfg(sanitizer_cfi_generalize_pointers)] fn main() {} diff --git a/tests/ui/sanitize/sanitizer-cfi-normalize-integers-attr-cfg.rs b/tests/ui/sanitize/sanitizer-cfi-normalize-integers-attr-cfg.rs index dafc20162ab..4972ccf3167 100644 --- a/tests/ui/sanitize/sanitizer-cfi-normalize-integers-attr-cfg.rs +++ b/tests/ui/sanitize/sanitizer-cfi-normalize-integers-attr-cfg.rs @@ -5,5 +5,7 @@ // check-pass // compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Zsanitizer-cfi-normalize-integers +#![feature(cfg_sanitizer_cfi)] + #[cfg(sanitizer_cfi_normalize_integers)] fn main() {}