/*
- * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2015 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#warning "Unsupported compiler detected"
#endif
+/*
+ * Compatibility with compilers and environments that don't support compiler
+ * feature checking function-like macros.
+ */
+#ifndef __has_builtin
+#define __has_builtin(x) 0
+#endif
+#ifndef __has_include
+#define __has_include(x) 0
+#endif
+#ifndef __has_feature
+#define __has_feature(x) 0
+#endif
+#ifndef __has_attribute
+#define __has_attribute(x) 0
+#endif
+#ifndef __has_extension
+#define __has_extension(x) 0
+#endif
+
/*
* The __CONCAT macro is used to concatenate parts of symbol names, e.g.
* with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
*/
#define __deprecated __attribute__((deprecated))
-#ifdef __has_extension
- #if __has_extension(attribute_deprecated_with_message)
- #define __deprecated_msg(_msg) __attribute__((deprecated(_msg)))
- #else
- #define __deprecated_msg(_msg) __attribute__((deprecated))
- #endif
-#elif defined(__GNUC__) && ((__GNUC__ >= 5) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)))
- #define __deprecated_msg(_msg) __attribute__((deprecated(_msg)))
+#if __has_extension(attribute_deprecated_with_message) || \
+ (defined(__GNUC__) && ((__GNUC__ >= 5) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5))))
+ #define __deprecated_msg(_msg) __attribute__((deprecated(_msg)))
#else
- #define __deprecated_msg(_msg) __attribute__((deprecated))
+ #define __deprecated_msg(_msg) __attribute__((deprecated))
#endif
-#ifdef __has_extension
- #if __has_extension(enumerator_attributes)
- #define __deprecated_enum_msg(_msg) __deprecated_msg(_msg)
- #else
- #define __deprecated_enum_msg(_msg)
- #endif
+#if __has_extension(enumerator_attributes)
+ #define __deprecated_enum_msg(_msg) __deprecated_msg(_msg)
#else
- #define __deprecated_enum_msg(_msg)
+ #define __deprecated_enum_msg(_msg)
#endif
/* __unavailable causes the compiler to error out when encountering
#define __restrict restrict
#endif
+/* Compatibility with compilers and environments that don't support the
+ * nullability feature.
+ */
+
+#if !__has_feature(nullability)
+#ifndef __nullable
+#define __nullable
+#endif
+#ifndef __nonnull
+#define __nonnull
+#endif
+#ifndef __null_unspecified
+#define __null_unspecified
+#endif
+#endif
+
/* Declaring inline functions within headers is error-prone due to differences
* across various versions of the C language and extensions. __header_inline
* can be used to declare inline functions within system headers. In cases
* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55965
*/
-#if __STDC_VERSION__ >= 199901L && (!defined(__GNUC__) || defined(__clang__))
+#if defined(__cplusplus) || \
+ (__STDC_VERSION__ >= 199901L && \
+ !defined(__GNUC_GNU_INLINE__) && \
+ (!defined(__GNUC__) || defined(__clang__)))
# define __header_inline inline
#elif defined(__GNUC__) && defined(__GNUC_STDC_INLINE__)
# define __header_inline extern __inline __attribute__((__gnu_inline__))
# define __header_always_inline __header_inline
#endif
+/*
+ * Compiler-dependent macros that bracket portions of code where the
+ * "-Wunreachable-code" warning should be ignored. Please use sparingly.
+ */
+#if defined(__clang__)
+# define __unreachable_ok_push \
+ _Pragma("clang diagnostic push") \
+ _Pragma("clang diagnostic ignored \"-Wunreachable-code\"")
+# define __unreachable_ok_pop \
+ _Pragma("clang diagnostic pop")
+#elif defined(__GNUC__) && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
+# define __unreachable_ok_push \
+ _Pragma("GCC diagnostic push") \
+ _Pragma("GCC diagnostic ignored \"-Wunreachable-code\"")
+# define __unreachable_ok_pop \
+ _Pragma("GCC diagnostic pop")
+#else
+# define __unreachable_ok_push
+# define __unreachable_ok_pop
+#endif
+
/*
* Compiler-dependent macros to declare that functions take printf-like
* or scanf-like arguments. They are null except for versions of gcc
#define __DARWIN_ONLY_64_BIT_INO_T 0
#define __DARWIN_ONLY_UNIX_CONFORMANCE 0
#define __DARWIN_ONLY_VERS_1050 0
-#define __DARWIN_SUF_DARWIN10 "_darwin10"
-#define __DARWIN10_ALIAS(sym) __asm("_" __STRING(sym) __DARWIN_SUF_DARWIN10)
+#if defined(__x86_64__)
+#define __DARWIN_SUF_DARWIN14 "_darwin14"
+#define __DARWIN14_ALIAS(sym) __asm("_" __STRING(sym) __DARWIN_SUF_DARWIN14)
+#else
+#define __DARWIN14_ALIAS(sym)
+#endif
#else /* !KERNEL */
#ifdef PLATFORM_iPhoneOS
/* Platform: iPhoneOS */
#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
#define __DARWIN_ONLY_VERS_1050 1
#endif /* PLATFORM_iPhoneSimulator */
+#ifdef PLATFORM_tvOS
+/* Platform: tvOS */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_tvOS */
+#ifdef PLATFORM_AppleTVOS
+/* Platform: AppleTVOS */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_AppleTVOS */
+#ifdef PLATFORM_tvSimulator
+/* Platform: tvSimulator */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_tvSimulator */
+#ifdef PLATFORM_AppleTVSimulator
+/* Platform: AppleTVSimulator */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_AppleTVSimulator */
+#ifdef PLATFORM_iPhoneOSNano
+/* Platform: iPhoneOSNano */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_iPhoneOSNano */
+#ifdef PLATFORM_iPhoneNanoSimulator
+/* Platform: iPhoneNanoSimulator */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_iPhoneNanoSimulator */
+#ifdef PLATFORM_WatchOS
+/* Platform: WatchOS */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_WatchOS */
+#ifdef PLATFORM_WatchSimulator
+/* Platform: WatchSimulator */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_WatchSimulator */
#ifdef PLATFORM_MacOSX
/* Platform: MacOSX */
#define __DARWIN_ONLY_64_BIT_INO_T 0
#define __DARWIN_ALIAS(sym) __asm("_" __STRING(sym) __DARWIN_SUF_UNIX03)
#define __DARWIN_ALIAS_C(sym) __asm("_" __STRING(sym) __DARWIN_SUF_NON_CANCELABLE __DARWIN_SUF_UNIX03)
#define __DARWIN_ALIAS_I(sym) __asm("_" __STRING(sym) __DARWIN_SUF_64_BIT_INO_T __DARWIN_SUF_UNIX03)
+#define __DARWIN_NOCANCEL(sym) __asm("_" __STRING(sym) __DARWIN_SUF_NON_CANCELABLE)
#define __DARWIN_INODE64(sym) __asm("_" __STRING(sym) __DARWIN_SUF_64_BIT_INO_T)
#define __DARWIN_1050(sym) __asm("_" __STRING(sym) __DARWIN_SUF_1050)
#elif defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__)
#define __DARWIN_ALIAS_STARTING(_mac, _iphone, x) __DARWIN_ALIAS_STARTING_MAC_##_mac(x)
#else
-#define __DARWIN_ALIAS_STARTING(_mac, _iphone, x)
+#define __DARWIN_ALIAS_STARTING(_mac, _iphone, x) x
#endif
#endif /* KERNEL */
#error Unsupported architecture
#endif
+#ifdef XNU_KERNEL_PRIVATE
+/*
+ * Selectively ignore cast alignment warnings
+ */
+#define __IGNORE_WCASTALIGN(x) _Pragma("clang diagnostic push") \
+ _Pragma("clang diagnostic ignored \"-Wcast-align\"") \
+ x; \
+ _Pragma("clang diagnostic pop")
+#endif
+
#endif /* !_CDEFS_H_ */
projects / apple / xnu.git / blobdiff