1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef __LINUX_COMPILER_TYPES_H 3#error "Please don't include <linux/compiler-clang.h> directly, include <linux/compiler.h> instead." 4#endif 5 6/* Some compiler specific definitions are overwritten here 7 * for Clang compiler 8 */ 9 10#ifdef uninitialized_var 11#undef uninitialized_var 12#define uninitialized_var(x) x = *(&(x)) 13#endif 14 15/* same as gcc, this was present in clang-2.6 so we can assume it works 16 * with any version that can compile the kernel 17 */ 18#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) 19 20#define randomized_struct_fields_start struct { 21#define randomized_struct_fields_end }; 22 23/* all clang versions usable with the kernel support KASAN ABI version 5 */ 24#define KASAN_ABI_VERSION 5 25 26/* emulate gcc's __SANITIZE_ADDRESS__ flag */ 27#if __has_feature(address_sanitizer) 28#define __SANITIZE_ADDRESS__ 29#endif 30 31/* Clang doesn't have a way to turn it off per-function, yet. */ 32#ifdef __noretpoline 33#undef __noretpoline 34#endif 35