Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
1// SPDX-License-Identifier: Apache-2.0 OR MIT
2
3// When fixdep scans this, it will find this string `CONFIG_RUSTC_VERSION_TEXT`
4// and thus add a dependency on `include/config/RUSTC_VERSION_TEXT`, which is
5// touched by Kconfig when the version string from the compiler changes.
6
7//! `pin-init` proc macros.
8
9#![cfg_attr(not(RUSTC_LINT_REASONS_IS_STABLE), feature(lint_reasons))]
10// Allow `.into()` to convert
11// - `proc_macro2::TokenStream` into `proc_macro::TokenStream` in the user-space version.
12// - `proc_macro::TokenStream` into `proc_macro::TokenStream` in the kernel version.
13// Clippy warns on this conversion, but it's required by the user-space version.
14//
15// Remove once we have `proc_macro2` in the kernel.
16#![allow(clippy::useless_conversion)]
17// Documentation is done in the pin-init crate instead.
18#![allow(missing_docs)]
19
20use proc_macro::TokenStream;
21
22#[cfg(kernel)]
23#[path = "../../../macros/quote.rs"]
24#[macro_use]
25#[cfg_attr(not(kernel), rustfmt::skip)]
26mod quote;
27#[cfg(not(kernel))]
28#[macro_use]
29extern crate quote;
30
31mod helpers;
32mod pin_data;
33mod pinned_drop;
34mod zeroable;
35
36#[proc_macro_attribute]
37pub fn pin_data(inner: TokenStream, item: TokenStream) -> TokenStream {
38 pin_data::pin_data(inner.into(), item.into()).into()
39}
40
41#[proc_macro_attribute]
42pub fn pinned_drop(args: TokenStream, input: TokenStream) -> TokenStream {
43 pinned_drop::pinned_drop(args.into(), input.into()).into()
44}
45
46#[proc_macro_derive(Zeroable)]
47pub fn derive_zeroable(input: TokenStream) -> TokenStream {
48 zeroable::derive(input.into()).into()
49}
50
51#[proc_macro_derive(MaybeZeroable)]
52pub fn maybe_derive_zeroable(input: TokenStream) -> TokenStream {
53 zeroable::maybe_derive(input.into()).into()
54}