#ifndef __LINUX_COMPILER_H #error "Please don't include directly, include instead." #endif /* Some compiler specific definitions are overwritten here * for Clang compiler */ #ifdef uninitialized_var #undef uninitialized_var #define uninitialized_var(x) x = *(&(x)) #endif /* same as gcc, this was present in clang-2.6 so we can assume it works * with any version that can compile the kernel */ #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) #undef __no_sanitize_address #define __no_sanitize_address __attribute__((no_sanitize("address"))) /* Clang doesn't have a way to turn it off per-function, yet. */ #ifdef __noretpoline #undef __noretpoline #endif #ifdef CONFIG_LTO_CLANG #ifdef CONFIG_FTRACE_MCOUNT_RECORD #define __norecordmcount \ __attribute__((__section__(".text..ftrace"))) #endif #define __nocfi __attribute__((no_sanitize("cfi"))) #endif /* all clang versions usable with the kernel support KASAN ABI version 5 */ #define KASAN_ABI_VERSION 5 /* emulate gcc's __SANITIZE_ADDRESS__ flag */ #if __has_feature(address_sanitizer) #define __SANITIZE_ADDRESS__ #endif