#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__) /* * Clang supports FORTIFY_SOURCE; this needs to override compiler-gcc.h turning it off */ #ifdef __NO_FORTIFY #undef __NO_FORTIFY #endif #ifdef CONFIG_CC_LTO #ifdef CONFIG_FTRACE_MCOUNT_RECORD #define __norecordmcount \ __attribute__((__section__(".text..ftrace"))) #endif #endif #define randomized_struct_fields_start struct { #define randomized_struct_fields_end }; /* 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 #ifdef CONFIG_KASAN #undef __no_sanitize_address #define __no_sanitize_address __attribute__((no_sanitize("address"))) #endif