1 /* 2 * This header was generated from the Linux kernel headers by update_headers.py, 3 * to provide necessary information from kernel to userspace, such as constants, 4 * structures, and macros, and thus, contains no copyrightable information. 5 */ 6 #ifndef __LINUX_COMPILER_TYPES_H 7 #define __LINUX_COMPILER_TYPES_H 8 #ifndef __ASSEMBLY__ 9 #if 0 10 # define __user __attribute__((noderef, address_space(1))) 11 # define __kernel __attribute__((address_space(0))) 12 # define __safe __attribute__((safe)) 13 # define __force __attribute__((force)) 14 # define __nocast __attribute__((nocast)) 15 # define __iomem __attribute__((noderef, address_space(2))) 16 # define __must_hold(x) __attribute__((context(x,1,1))) 17 # define __acquires(x) __attribute__((context(x,0,1))) 18 # define __releases(x) __attribute__((context(x,1,0))) 19 # define __acquire(x) __context__(x,1) 20 # define __release(x) __context__(x,-1) 21 # define __cond_lock(x,c) ((c) ? ({ __acquire(x); 1; }) : 0) 22 # define __percpu __attribute__((noderef, address_space(3))) 23 # define __rcu __attribute__((noderef, address_space(4))) 24 # define __private __attribute__((noderef)) 25 extern void __chk_user_ptr(const volatile void __user *); 26 extern void __chk_io_ptr(const volatile void __iomem *); 27 # define ACCESS_PRIVATE(p, member) (*((typeof((p)->member) __force *) &(p)->member)) 28 #else 29 # ifdef STRUCTLEAK_PLUGIN 30 # define __user __attribute__((user)) 31 # else 32 # define __user 33 # endif 34 # define __kernel 35 # define __safe 36 # define __force 37 # define __nocast 38 # define __iomem 39 # define __chk_user_ptr(x) (void)0 40 # define __chk_io_ptr(x) (void)0 41 # define __builtin_warning(x, y...) (1) 42 # define __must_hold(x) 43 # define __acquires(x) 44 # define __releases(x) 45 # define __acquire(x) (void)0 46 # define __release(x) (void)0 47 # define __cond_lock(x,c) (c) 48 # define __percpu 49 # define __rcu 50 # define __private 51 # define ACCESS_PRIVATE(p, member) ((p)->member) 52 #endif 53 #define ___PASTE(a,b) a##b 54 #define __PASTE(a,b) ___PASTE(a,b) 55 #ifdef __KERNEL__ 56 #ifdef __clang__ 57 #include <linux/compiler-clang.h> 58 #elif defined(__INTEL_COMPILER) 59 #include <linux/compiler-intel.h> 60 #elif defined(__GNUC__) 61 #include <linux/compiler-gcc.h> 62 #else 63 #error "Unknown compiler" 64 #endif 65 #ifdef CONFIG_HAVE_ARCH_COMPILER_H 66 #include <asm/compiler.h> 67 #endif 68 struct ftrace_branch_data { 69 const char *func; 70 const char *file; 71 unsigned line; 72 union { 73 struct { 74 unsigned long correct; 75 unsigned long incorrect; 76 }; 77 struct { 78 unsigned long miss; 79 unsigned long hit; 80 }; 81 unsigned long miss_hit[2]; 82 }; 83 }; 84 struct ftrace_likely_data { 85 struct ftrace_branch_data data; 86 unsigned long constant; 87 }; 88 #define __deprecated 89 #define __deprecated_for_modules 90 #endif 91 #endif 92 #ifndef __designated_init 93 # define __designated_init 94 #endif 95 #ifndef __latent_entropy 96 # define __latent_entropy 97 #endif 98 #ifndef __randomize_layout 99 # define __randomize_layout __designated_init 100 #endif 101 #ifndef __no_randomize_layout 102 # define __no_randomize_layout 103 #endif 104 #ifndef randomized_struct_fields_start 105 # define randomized_struct_fields_start 106 # define randomized_struct_fields_end 107 #endif 108 #ifndef __visible 109 #define __visible 110 #endif 111 #ifndef __assume_aligned 112 #define __assume_aligned(a, ...) 113 #endif 114 #ifndef asm_volatile_goto 115 #define asm_volatile_goto(x...) asm goto(x) 116 #endif 117 #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) 118 #define __native_word(t) \ 119 (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || \ 120 sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long)) 121 #ifndef __attribute_const__ 122 #define __attribute_const__ __attribute__((__const__)) 123 #endif 124 #ifndef __noclone 125 #define __noclone 126 #endif 127 #ifndef __diag 128 #define __diag(string) 129 #endif 130 #ifndef __diag_GCC 131 #define __diag_GCC(version, severity, string) 132 #endif 133 #ifndef __MUSL__ 134 #ifndef __copy 135 # define __copy(symbol) 136 #endif 137 #endif 138 #define __diag_push() __diag(push) 139 #define __diag_pop() __diag(pop) 140 #define __diag_ignore(compiler, version, option, comment) \ 141 __diag_ ## compiler(version, ignore, option) 142 #define __diag_warn(compiler, version, option, comment) \ 143 __diag_ ## compiler(version, warn, option) 144 #define __diag_error(compiler, version, option, comment) \ 145 __diag_ ## compiler(version, error, option) 146 #define __pure __attribute__((pure)) 147 #define __aligned(x) __attribute__((aligned(x))) 148 #define __aligned_largest __attribute__((aligned)) 149 #define __printf(a, b) __attribute__((format(printf, a, b))) 150 #define __scanf(a, b) __attribute__((format(scanf, a, b))) 151 #define __maybe_unused __attribute__((unused)) 152 #define __always_unused __attribute__((unused)) 153 #define __mode(x) __attribute__((mode(x))) 154 #define __malloc __attribute__((__malloc__)) 155 #define __used __attribute__((__used__)) 156 #define __noreturn __attribute__((noreturn)) 157 #define __packed __attribute__((packed)) 158 #define __weak __attribute__((weak)) 159 #define __alias(symbol) __attribute__((alias(#symbol))) 160 #define __cold __attribute__((cold)) 161 #define __section(S) __attribute__((__section__(#S))) 162 #ifdef CONFIG_ENABLE_MUST_CHECK 163 #define __must_check __attribute__((warn_unused_result)) 164 #else 165 #define __must_check 166 #endif 167 #if defined(CC_USING_HOTPATCH) && !defined(__CHECKER__) 168 #define notrace __attribute__((hotpatch(0, 0))) 169 #else 170 #define notrace __attribute__((no_instrument_function)) 171 #endif 172 #define __naked __attribute__((naked)) notrace 173 #define __compiler_offsetof(a, b) __builtin_offsetof(a, b) 174 #ifdef __GNUC_STDC_INLINE__ 175 # define __gnu_inline __attribute__((gnu_inline)) 176 #else 177 # define __gnu_inline 178 #endif 179 #ifndef __MUSL__ 180 #if !defined(CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING) || \ 181 !defined(CONFIG_OPTIMIZE_INLINING) 182 #define inline \ 183 inline __attribute__((always_inline, unused)) notrace __gnu_inline 184 #else 185 #define inline inline __attribute__((unused)) notrace __gnu_inline 186 #endif 187 #endif 188 #define __inline__ inline 189 #define __inline inline 190 #ifndef __MUSL__ 191 #define noinline __attribute__((noinline)) 192 #endif 193 #ifndef __always_inline 194 #define __always_inline inline __attribute__((always_inline)) 195 #endif 196 #define noinline_for_stack noinline 197 #endif 198