// SPDX-License-Identifier: GPL-2.0 /* * Non-trivial C macros cannot be used in Rust. Similarly, inlined C functions * cannot be called either. This file explicitly creates functions ("helpers") * that wrap those so that they can be called from Rust. * * Sorted alphabetically. */ #include <linux/compiler_types.h> #ifdef __BINDGEN__ // Omit `inline` for bindgen as it ignores inline functions. #define __rust_helper #else // The helper functions are all inline functions. // // We use `__always_inline` here to bypass LLVM inlining checks, in case the // helpers are inlined directly into Rust CGUs. // // The LLVM inlining checks are false positives: // * LLVM doesn't want to inline functions compiled with // `-fno-delete-null-pointer-checks` with code compiled without. // The C CGUs all have this enabled and Rust CGUs don't. Inlining is okay // since this is one of the hardening features that does not change the ABI, // and we shouldn't have null pointer dereferences in these helpers. // * LLVM doesn't want to inline functions with different list of builtins. C // side has `-fno-builtin-wcslen`; `wcslen` is not a Rust builtin, so they // should be compatible, but LLVM does not perform inlining due to attributes // mismatch. // * clang and Rust doesn't have the exact target string. Clang generates // `+cmov,+cx8,+fxsr` but Rust doesn't enable them (in fact, Rust will // complain if `-Ctarget-feature=+cmov,+cx8,+fxsr` is used). x86-64 always // enable these features, so they are in fact the same target string, but // LLVM doesn't understand this and so inlining is inhibited. This can be // bypassed with `--ignore-tti-inline-compatible`, but this is a hidden // option. #define __rust_helper __always_inline #endif #include "atomic.c" #include "atomic_ext.c" #include "auxiliary.c" #include "barrier.c" #include "binder.c" #include "bitmap.c" #include "bitops.c" #include "blk.c" #include "bug.c" #include "build_assert.c" #include "build_bug.c" #include "clk.c" #include "completion.c" #include "cpu.c" #include "cpufreq.c" #include "cpumask.c" #include "cred.c" #include "device.c" #include "dma.c" #include "dma-resv.c" #include "drm.c" #include "err.c" #include "irq.c" #include "fs.c" #include "gpu.c" #include "io.c" #include "jump_label.c" #include "kunit.c" #include "list.c" #include "maple_tree.c" #include "mm.c" #include "mutex.c" #include "of.c" #include "page.c" #include "pci.c" #include "pid_namespace.c" #include "platform.c" #include "poll.c" #include "processor.c" #include "property.c" #include "pwm.c" #include "rbtree.c" #include "rcu.c" #include "refcount.c" #include "regulator.c" #include "scatterlist.c" #include "security.c" #include "signal.c" #include "slab.c" #include "spinlock.c" #include "sync.c" #include "task.c" #include "time.c" #include "uaccess.c" #include "usb.c" #include "vmalloc.c" #include "wait.c" #include "workqueue.c" #include "xarray.c"