implement feature(c_variadic_naked_functions) #148770
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folkertdev added A-naked 
rustbot added S-waiting-on-review 
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| seems fine. @bors r+ rollup |
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bors added S-waiting-on-bors Zalathar added a commit to Zalathar/rust that referenced this pull request Nov 11, 2025
…kingjubilee implement `feature(c_variadic_naked_functions)` tracking issue: rust-lang#148767 [#t-lang > C-variadic naked functions](https://rust-lang.zulipchat.com/#narrow/channel/213817-t-lang/topic/C-variadic.20naked.20functions/with/554593886) This feature allows naked c-variadic function definitions with any ABI that is supported for foreign c-variadic functions. ```rust #![feature(c_variadic, c_variadic_naked_functions)] #[unsafe(naked)] unsafe extern "win64" fn variadic_win64(_: u32, _: ...) -> u32 { core::arch::naked_asm!( r#" push rax mov qword ptr [rsp + 40], r9 mov qword ptr [rsp + 24], rdx mov qword ptr [rsp + 32], r8 lea rax, [rsp + 40] mov qword ptr [rsp], rax lea eax, [rdx + rcx] add eax, r8d pop rcx ret "#, ) } ``` r? `@workingjubilee`
Zalathar added a commit to Zalathar/rust that referenced this pull request Nov 11, 2025
…kingjubilee implement `feature(c_variadic_naked_functions)` tracking issue: rust-lang#148767 [#t-lang > C-variadic naked functions](https://rust-lang.zulipchat.com/#narrow/channel/213817-t-lang/topic/C-variadic.20naked.20functions/with/554593886) This feature allows naked c-variadic function definitions with any ABI that is supported for foreign c-variadic functions. ```rust #![feature(c_variadic, c_variadic_naked_functions)] #[unsafe(naked)] unsafe extern "win64" fn variadic_win64(_: u32, _: ...) -> u32 { core::arch::naked_asm!( r#" push rax mov qword ptr [rsp + 40], r9 mov qword ptr [rsp + 24], rdx mov qword ptr [rsp + 32], r8 lea rax, [rsp + 40] mov qword ptr [rsp], rax lea eax, [rdx + rcx] add eax, r8d pop rcx ret "#, ) } ``` r? ``@workingjubilee``
bors added a commit that referenced this pull request Nov 12, 2025
Rollup of 12 pull requests Successful merges: - #146627 (Simplify `jemalloc` setup) - #147753 (Suggest add bounding value for RangeTo) - #147974 (Improve diagnostics for buffer reuse with borrowed references) - #148080 ([rustdoc] Fix invalid jump to def macro link generation) - #148424 (bootstrap: Add snapshot tests for path-to-step handling) - #148500 (Update git index before running diff-index) - #148536 (cmse: add test for `async` and `const` functions) - #148770 (implement `feature(c_variadic_naked_functions)`) - #148819 (Remove specialized warning for removed target) - #148830 (miri subtree update) - #148833 (Update rustbook dependencies) - #148841 (Remove more `#[must_use]` from portable-simd) r? `@ghost` `@rustbot` modify labels: rollup
Zalathar added a commit to Zalathar/rust that referenced this pull request Nov 12, 2025
…kingjubilee implement `feature(c_variadic_naked_functions)` tracking issue: rust-lang#148767 [#t-lang > C-variadic naked functions](https://rust-lang.zulipchat.com/#narrow/channel/213817-t-lang/topic/C-variadic.20naked.20functions/with/554593886) This feature allows naked c-variadic function definitions with any ABI that is supported for foreign c-variadic functions. ```rust #![feature(c_variadic, c_variadic_naked_functions)] #[unsafe(naked)] unsafe extern "win64" fn variadic_win64(_: u32, _: ...) -> u32 { core::arch::naked_asm!( r#" push rax mov qword ptr [rsp + 40], r9 mov qword ptr [rsp + 24], rdx mov qword ptr [rsp + 32], r8 lea rax, [rsp + 40] mov qword ptr [rsp], rax lea eax, [rdx + rcx] add eax, r8d pop rcx ret "#, ) } ``` r? ```@workingjubilee```
bors added a commit that referenced this pull request Nov 12, 2025
Rollup of 16 pull requests Successful merges: - #146627 (Simplify `jemalloc` setup) - #147753 (Suggest add bounding value for RangeTo) - #147832 (rustdoc: Don't pass `RenderOptions` to `DocContext`) - #147974 (Improve diagnostics for buffer reuse with borrowed references) - #148080 ([rustdoc] Fix invalid jump to def macro link generation) - #148465 (Adjust spans into the `for` loops context before creating the new desugaring spans.) - #148500 (Update git index before running diff-index) - #148531 (rustc_target: introduce Abi, Env, Os) - #148536 (cmse: add test for `async` and `const` functions) - #148770 (implement `feature(c_variadic_naked_functions)`) - #148780 (fix filecheck typos in tests) - #148819 (Remove specialized warning for removed target) - #148830 (miri subtree update) - #148833 (Update rustbook dependencies) - #148834 (fix(rustdoc): Color doctest errors) - #148841 (Remove more `#[must_use]` from portable-simd) r? `@ghost` `@rustbot` modify labels: rollup
rust-timer added a commit that referenced this pull request Nov 12, 2025
Rollup merge of #148770 - folkertdev:naked-c-variadic, r=workingjubilee implement `feature(c_variadic_naked_functions)` tracking issue: #148767 [#t-lang > C-variadic naked functions](https://rust-lang.zulipchat.com/#narrow/channel/213817-t-lang/topic/C-variadic.20naked.20functions/with/554593886) This feature allows naked c-variadic function definitions with any ABI that is supported for foreign c-variadic functions. ```rust #![feature(c_variadic, c_variadic_naked_functions)] #[unsafe(naked)] unsafe extern "win64" fn variadic_win64(_: u32, _: ...) -> u32 { core::arch::naked_asm!( r#" push rax mov qword ptr [rsp + 40], r9 mov qword ptr [rsp + 24], rdx mov qword ptr [rsp + 32], r8 lea rax, [rsp + 40] mov qword ptr [rsp], rax lea eax, [rdx + rcx] add eax, r8d pop rcx ret "#, ) } ``` r? ````@workingjubilee````
github-actions bot pushed a commit to rust-lang/miri that referenced this pull request Nov 12, 2025
Rollup of 16 pull requests Successful merges: - rust-lang/rust#146627 (Simplify `jemalloc` setup) - rust-lang/rust#147753 (Suggest add bounding value for RangeTo) - rust-lang/rust#147832 (rustdoc: Don't pass `RenderOptions` to `DocContext`) - rust-lang/rust#147974 (Improve diagnostics for buffer reuse with borrowed references) - rust-lang/rust#148080 ([rustdoc] Fix invalid jump to def macro link generation) - rust-lang/rust#148465 (Adjust spans into the `for` loops context before creating the new desugaring spans.) - rust-lang/rust#148500 (Update git index before running diff-index) - rust-lang/rust#148531 (rustc_target: introduce Abi, Env, Os) - rust-lang/rust#148536 (cmse: add test for `async` and `const` functions) - rust-lang/rust#148770 (implement `feature(c_variadic_naked_functions)`) - rust-lang/rust#148780 (fix filecheck typos in tests) - rust-lang/rust#148819 (Remove specialized warning for removed target) - rust-lang/rust#148830 (miri subtree update) - rust-lang/rust#148833 (Update rustbook dependencies) - rust-lang/rust#148834 (fix(rustdoc): Color doctest errors) - rust-lang/rust#148841 (Remove more `#[must_use]` from portable-simd) r? `@ghost` `@rustbot` modify labels: rollup
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tracking issue: #148767
#t-lang > C-variadic naked functions
This feature allows naked c-variadic function definitions with any ABI that is supported for foreign c-variadic functions.
r? @workingjubilee