[linux.git] / rust / exports.c

// SPDX-License-Identifier: GPL-2.0
/*
 * A hack to export Rust symbols for loadable modules without having to redo
 * the entire `include/linux/export.h` logic in Rust.
 *
 * This requires the Rust's new/future `v0` mangling scheme because the default
 * one ("legacy") uses invalid characters for C identifiers (thus we cannot use
 * the `EXPORT_SYMBOL_*` macros).
 *
 * All symbols are exported as GPL-only to guarantee no GPL-only feature is
 * accidentally exposed.
 */

#include <linux/module.h>

#define EXPORT_SYMBOL_RUST_GPL(sym) extern int sym; EXPORT_SYMBOL_GPL(sym)

#include "exports_core_generated.h"
#include "exports_alloc_generated.h"
#include "exports_bindings_generated.h"
#include "exports_kernel_generated.h"

// For modules using `rust/build_error.rs`.
#ifdef CONFIG_RUST_BUILD_ASSERT_ALLOW
EXPORT_SYMBOL_RUST_GPL(rust_build_error);
#endif
Commit	Line	Data
8fcbf024 MO	1	// SPDX-License-Identifier: GPL-2.0
	2	/*
	3	* A hack to export Rust symbols for loadable modules without having to redo
	4	* the entire `include/linux/export.h` logic in Rust.
	5	*
	6	* This requires the Rust's new/future `v0` mangling scheme because the default
	7	* one ("legacy") uses invalid characters for C identifiers (thus we cannot use
	8	* the `EXPORT_SYMBOL_*` macros).
	9	*
	10	* All symbols are exported as GPL-only to guarantee no GPL-only feature is
	11	* accidentally exposed.
	12	*/
	13
	14	#include <linux/module.h>
	15
	16	#define EXPORT_SYMBOL_RUST_GPL(sym) extern int sym; EXPORT_SYMBOL_GPL(sym)
	17
	18	#include "exports_core_generated.h"
	19	#include "exports_alloc_generated.h"
	20	#include "exports_bindings_generated.h"
	21	#include "exports_kernel_generated.h"
ecaa6ddf GG	22
	23	// For modules using `rust/build_error.rs`.
	24	#ifdef CONFIG_RUST_BUILD_ASSERT_ALLOW
	25	EXPORT_SYMBOL_RUST_GPL(rust_build_error);
	26	#endif