diff options
Diffstat (limited to 'rust/exports.c')
| -rw-r--r-- | rust/exports.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/rust/exports.c b/rust/exports.c new file mode 100644 index 000000000000..587f0e776aba --- /dev/null +++ b/rust/exports.c @@ -0,0 +1,26 @@ +// 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 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/export.h> + +#define EXPORT_SYMBOL_RUST_GPL(sym) extern int sym; EXPORT_SYMBOL_GPL(sym) + +#include "exports_core_generated.h" +#include "exports_helpers_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 |