11 #if defined(__ANDROID__) 12 # include <sys/cdefs.h> 13 #elif defined(__APPLE__) 14 # include <TargetConditionals.h> 15 #elif defined(__linux__
) 16 # include <features.h> 27 #if defined(__GLIBC__
) && defined(__GLIBC_MINOR__
) 28 # define V8_GLIBC_PREREQ(major, minor) 29 ((__GLIBC__
* 100
+ __GLIBC_MINOR__
) >= ((major) * 100
+ (minor))) 31 # define V8_GLIBC_PREREQ(major, minor) 0
42 #if defined(__GNUC__
) && defined(__GNUC_MINOR__
) && defined(__GNUC_PATCHLEVEL__
) 43 # define V8_GNUC_PREREQ(major, minor, patchlevel) 44 ((__GNUC__
* 10000
+ __GNUC_MINOR__
* 100
+ __GNUC_PATCHLEVEL__
) >= 45 ((major) * 10000
+ (minor) * 100
+ (patchlevel))) 46 #elif defined(__GNUC__) && defined(__GNUC_MINOR__) 47 # define V8_GNUC_PREREQ(major, minor, patchlevel) 48 ((__GNUC__ * 10000
+ __GNUC_MINOR__ * 100
) >= 49 ((major) * 10000
+ (minor) * 100
+ (patchlevel))) 51 # define V8_GNUC_PREREQ(major, minor, patchlevel) 0
74 #if defined(__ANDROID__) 75 # define V8_OS_ANDROID 1
76 # define V8_OS_LINUX 1
77 # define V8_OS_POSIX 1
78 #elif defined(__APPLE__) 80 # define V8_OS_MACOSX 1
81 # define V8_OS_POSIX 1
82 #elif defined(__CYGWIN__) 83 # define V8_OS_CYGWIN 1
84 # define V8_OS_POSIX 1
85 #elif defined(__linux__
) 86 # define V8_OS_LINUX 1
87 # define V8_OS_POSIX 1
89 # define V8_OS_POSIX 1
90 # define V8_OS_SOLARIS 1
94 #elif defined(__FreeBSD__) 96 # define V8_OS_FREEBSD 1
97 # define V8_OS_POSIX 1
98 #elif defined(__DragonFly__) 100 # define V8_OS_DRAGONFLYBSD 1
101 # define V8_OS_POSIX 1
102 #elif defined(__NetBSD__) 104 # define V8_OS_NETBSD 1
105 # define V8_OS_POSIX 1
106 #elif defined(__OpenBSD__) 108 # define V8_OS_OPENBSD 1
109 # define V8_OS_POSIX 1
110 #elif defined(__QNXNTO__) 111 # define V8_OS_POSIX 1
113 #elif defined(_WIN32) 133 #if defined (_MSC_VER) 134 # define V8_LIBC_MSVCRT 1
135 #elif defined(__BIONIC__) 136 # define V8_LIBC_BIONIC 1
137 # define V8_LIBC_BSD 1
138 #elif defined(__UCLIBC__) 140 # define V8_LIBC_UCLIBC 1
141 #elif defined(__GLIBC__
) || defined(__GNU_LIBRARY__
) 142 # define V8_LIBC_GLIBC 1
144 # define V8_LIBC_BSD V8_OS_BSD 198 #if defined(__clang__
) 200 #if defined(__GNUC__
) 205 # define V8_HAS___ALIGNOF 1
206 # define V8_HAS___ALIGNOF__ V8_HAS___ALIGNOF
208 # define V8_HAS_ATTRIBUTE_ALIGNED (__has_attribute(aligned)) 209 # define V8_HAS_ATTRIBUTE_ALWAYS_INLINE (__has_attribute(always_inline)) 210 # define V8_HAS_ATTRIBUTE_DEPRECATED (__has_attribute(deprecated)) 211 # define V8_HAS_ATTRIBUTE_NOINLINE (__has_attribute(noinline)) 212 # define V8_HAS_ATTRIBUTE_NORETURN (__has_attribute(noreturn)) 213 # define V8_HAS_ATTRIBUTE_UNUSED (__has_attribute(unused)) 214 # define V8_HAS_ATTRIBUTE_VISIBILITY (__has_attribute(visibility)) 215 # define V8_HAS_ATTRIBUTE_WARN_UNUSED_RESULT 216 (__has_attribute(warn_unused_result)) 218 # define V8_HAS_BUILTIN_CLZ (__has_builtin(__builtin_clz)) 219 # define V8_HAS_BUILTIN_CTZ (__has_builtin(__builtin_ctz)) 220 # define V8_HAS_BUILTIN_EXPECT (__has_builtin(__builtin_expect)) 221 # define V8_HAS_BUILTIN_FRAME_ADDRESS (__has_builtin(__builtin_frame_address)) 222 # define V8_HAS_BUILTIN_POPCOUNT (__has_builtin(__builtin_popcount)) 223 # define V8_HAS_BUILTIN_SADD_OVERFLOW (__has_builtin(__builtin_sadd_overflow)) 224 # define V8_HAS_BUILTIN_SSUB_OVERFLOW (__has_builtin(__builtin_ssub_overflow)) 225 # define V8_HAS_BUILTIN_UADD_OVERFLOW (__has_builtin(__builtin_uadd_overflow)) 227 # define V8_HAS_CXX11_ALIGNAS (__has_feature(cxx_alignas)) 229 #elif defined(__GNUC__) 232 # if defined(__INTEL_COMPILER) 233 # define V8_CC_INTEL 1
235 # if defined(__MINGW32__) 236 # define V8_CC_MINGW32 1
238 # if defined(__MINGW64__) 239 # define V8_CC_MINGW64 1
241 # define V8_CC_MINGW (V8_CC_MINGW32 || V8_CC_MINGW64) 243 # define V8_HAS___ALIGNOF__ (V8_GNUC_PREREQ(4
, 3
, 0
)) 245 # define V8_HAS_ATTRIBUTE_ALIGNED (V8_GNUC_PREREQ(2
, 95
, 0
)) 249 # define V8_HAS_ATTRIBUTE_ALWAYS_INLINE (V8_GNUC_PREREQ(4
, 4
, 0
)) 250 # define V8_HAS_ATTRIBUTE_DEPRECATED (V8_GNUC_PREREQ(3
, 4
, 0
)) 251 # define V8_HAS_ATTRIBUTE_DEPRECATED_MESSAGE (V8_GNUC_PREREQ(4
, 5
, 0
)) 252 # define V8_HAS_ATTRIBUTE_NOINLINE (V8_GNUC_PREREQ(3
, 4
, 0
)) 253 # define V8_HAS_ATTRIBUTE_NORETURN (V8_GNUC_PREREQ(2
, 5
, 0
)) 254 # define V8_HAS_ATTRIBUTE_UNUSED (V8_GNUC_PREREQ(2
, 95
, 0
)) 255 # define V8_HAS_ATTRIBUTE_VISIBILITY (V8_GNUC_PREREQ(4
, 3
, 0
)) 256 # define V8_HAS_ATTRIBUTE_WARN_UNUSED_RESULT 257 (!V8_CC_INTEL && V8_GNUC_PREREQ(4
, 1
, 0
)) 259 # define V8_HAS_BUILTIN_CLZ (V8_GNUC_PREREQ(3
, 4
, 0
)) 260 # define V8_HAS_BUILTIN_CTZ (V8_GNUC_PREREQ(3
, 4
, 0
)) 261 # define V8_HAS_BUILTIN_EXPECT (V8_GNUC_PREREQ(2
, 96
, 0
)) 262 # define V8_HAS_BUILTIN_FRAME_ADDRESS (V8_GNUC_PREREQ(2
, 96
, 0
)) 263 # define V8_HAS_BUILTIN_POPCOUNT (V8_GNUC_PREREQ(3
, 4
, 0
)) 265 # if __cplusplus >= 201103L
266 # define V8_HAS_CXX11_ALIGNAS (V8_GNUC_PREREQ(4
, 8
, 0
)) 267 # define V8_HAS_CXX11_ALIGNOF (V8_GNUC_PREREQ(4
, 8
, 0
)) 271 #if defined(_MSC_VER) 272 # define V8_CC_MSVC 1
273 # define V8_HAS___ALIGNOF 1
275 # define V8_HAS_DECLSPEC_ALIGN 1
276 # define V8_HAS_DECLSPEC_DEPRECATED 1
277 # define V8_HAS_DECLSPEC_NOINLINE 1
278 # define V8_HAS_DECLSPEC_SELECTANY 1
279 # define V8_HAS_DECLSPEC_NORETURN 1
281 # define V8_HAS___FORCEINLINE 1
292 #if !defined(DEBUG) && V8_HAS_ATTRIBUTE_ALWAYS_INLINE
293 # define V8_INLINE inline __attribute__((always_inline)) 294 #elif !defined(DEBUG) && V8_HAS___FORCEINLINE 295 # define V8_INLINE __forceinline 297 # define V8_INLINE inline 305 #if !defined(DEBUG) && V8_HAS_ATTRIBUTE_NOINLINE
306 # define V8_NOINLINE __attribute__((noinline)) 307 #elif !defined(DEBUG) && V8_HAS_DECLSPEC_NOINLINE 308 # define V8_NOINLINE __declspec(noinline) 317 #if V8_HAS_ATTRIBUTE_NORETURN
318 # define V8_NORETURN __attribute__((noreturn)) 319 #elif HAS_DECLSPEC_NORETURN 320 # define V8_NORETURN __declspec(noreturn) 327 #if defined(V8_DEPRECATION_WARNINGS) && V8_HAS_ATTRIBUTE_DEPRECATED_MESSAGE 328 #define V8_DEPRECATED(message, declarator) 329 declarator __attribute__((deprecated(message))) 330 #elif defined(V8_DEPRECATION_WARNINGS) && V8_HAS_ATTRIBUTE_DEPRECATED
331 #define V8_DEPRECATED(message, declarator) 332 declarator __attribute__((deprecated)) 333 #elif defined(V8_DEPRECATION_WARNINGS) && V8_HAS_DECLSPEC_DEPRECATED 334 #define V8_DEPRECATED(message, declarator) __declspec(deprecated) declarator 336 #define V8_DEPRECATED(message, declarator) declarator 341 #if defined(V8_IMMINENT_DEPRECATION_WARNINGS) && 342 V8_HAS_ATTRIBUTE_DEPRECATED_MESSAGE 343 #define V8_DEPRECATE_SOON(message, declarator) 344 declarator __attribute__((deprecated(message))) 345 #elif defined(V8_IMMINENT_DEPRECATION_WARNINGS) && V8_HAS_ATTRIBUTE_DEPRECATED
346 #define V8_DEPRECATE_SOON(message, declarator) 347 declarator __attribute__((deprecated)) 348 #elif defined(V8_IMMINENT_DEPRECATION_WARNINGS) && V8_HAS_DECLSPEC_DEPRECATED 349 #define V8_DEPRECATE_SOON(message, declarator) __declspec(deprecated) declarator 351 #define V8_DEPRECATE_SOON(message, declarator) declarator 356 #if V8_HAS_BUILTIN_EXPECT
357 # define V8_UNLIKELY(condition) (__builtin_expect(!!(condition), 0
)) 358 # define V8_LIKELY(condition) (__builtin_expect(!!(condition), 1
)) 360 # define V8_UNLIKELY(condition) (condition) 361 # define V8_LIKELY(condition) (condition) 369 #if V8_HAS_CXX11_ALIGNAS
370 # define V8_ALIGNED(n) alignas(n) 371 #elif V8_HAS_ATTRIBUTE_ALIGNED
372 # define V8_ALIGNED(n) __attribute__((aligned(n))) 373 #elif V8_HAS_DECLSPEC_ALIGN 374 # define V8_ALIGNED(n) __declspec(align(n)) 376 # define V8_ALIGNED(n) 389 #if V8_HAS_CXX11_ALIGNAS
390 # define V8_ALIGNAS(type, alignment) alignas(type) 391 #elif V8_HAS___ALIGNOF__
&& V8_HAS_ATTRIBUTE_ALIGNED
392 # define V8_ALIGNAS(type, alignment) __attribute__((aligned(__alignof__(type)))) 394 # define V8_ALIGNAS(type, alignment) V8_ALIGNED(alignment) 403 #if V8_HAS_CXX11_ALIGNOF 404 # define V8_ALIGNOF(type) alignof(type) 405 #elif V8_HAS___ALIGNOF
406 # define V8_ALIGNOF(type) __alignof(type) 407 #elif V8_HAS___ALIGNOF__ 408 # define V8_ALIGNOF(type) __alignof__(type) 413 namespace v8 {
template <
typename T>
class AlignOfHelper {
char c; T t; }; }
414 # define V8_ALIGNOF(type) (sizeof(::v8::AlignOfHelper<type>) - sizeof(type)) 420 #if V8_HAS_ATTRIBUTE_WARN_UNUSED_RESULT
421 #define V8_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) 423 #define V8_WARN_UNUSED_RESULT