/*
- * Copyright (c) 2000-2009 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#define __used __attribute__((used))
/* __deprecated causes the compiler to produce a warning when encountering
- * code using the deprecated functionality. This may require turning on
- * such wardning with the -Wdeprecated flag.
+ * code using the deprecated functionality.
+ * __deprecated_msg() does the same, and compilers that support it will print
+ * a message along with the deprecation warning.
+ * This may require turning on such warning with the -Wdeprecated flag.
+ * __deprecated_enum_msg() should be used on enums, and compilers that support
+ * it will print the deprecation warning.
*/
#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)))
+#else
+ #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
+#else
+ #define __deprecated_enum_msg(_msg)
+#endif
+
/* __unavailable causes the compiler to error out when encountering
* code using the tagged function of variable.
*/
#define __restrict restrict
#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
+ * where you want to force inlining instead of letting the compiler make
+ * the decision, you can use __header_always_inline.
+ *
+ * Be aware that using inline for functions which compilers may also provide
+ * builtins can behave differently under various compilers. If you intend to
+ * provide an inline version of such a function, you may want to use a macro
+ * instead.
+ *
+ * The check for !__GNUC__ || __clang__ is because gcc doesn't correctly
+ * support c99 inline in some cases:
+ * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55965
+ */
+
+#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__))
+#elif defined(__GNUC__)
+# define __header_inline extern __inline
+#else
+ /* If we land here, we've encountered an unsupported compiler,
+ * so hopefully it understands static __inline as a fallback.
+ */
+# define __header_inline static __inline
+#endif
+
+#ifdef __GNUC__
+# define __header_always_inline __header_inline __attribute__ ((__always_inline__))
+#else
+ /* Unfortunately, we're using a compiler that we don't know how to force to
+ * inline. Oh well.
+ */
+# 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 __FBSDID(s)
#endif
+#ifndef __DECONST
+#define __DECONST(type, var) __CAST_AWAY_QUALIFIER(var, const, type)
+#endif
+
+#ifndef __DEVOLATILE
+#define __DEVOLATILE(type, var) __CAST_AWAY_QUALIFIER(var, volatile, type)
+#endif
+
+#ifndef __DEQUALIFY
+#define __DEQUALIFY(type, var) __CAST_AWAY_QUALIFIER(var, const volatile, type)
+#endif
/*
* COMPILATION ENVIRONMENTS -- see compat(5) for additional detail
#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_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_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)
#define __DARWIN_C_LEVEL __DARWIN_C_FULL
#endif
+/* If the developer has neither requested a strict language mode nor a version
+ * of POSIX, turn on functionality provided by __STDC_WANT_LIB_EXT1__ as part
+ * of __DARWIN_C_FULL.
+ */
+#if !defined(__STDC_WANT_LIB_EXT1__) && !defined(__STRICT_ANSI__) && __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+#define __STDC_WANT_LIB_EXT1__ 1
+#endif
/*
* long long is not supported in c89 (__STRICT_ANSI__), but g++ -ansi and
#define __CAST_AWAY_QUALIFIER(variable, qualifier, type) (type) (long)(variable)
#endif
+/*
+ * __XNU_PRIVATE_EXTERN is a linkage decoration indicating that a symbol can be
+ * used from other compilation units, but not other libraries or executables.
+ */
+#ifndef __XNU_PRIVATE_EXTERN
+#define __XNU_PRIVATE_EXTERN __attribute__((visibility("hidden")))
+#endif
+
+/*
+ * Architecture validation for current SDK
+ */
+#if !defined(__sys_cdefs_arch_unknown__) && defined(__i386__)
+#elif !defined(__sys_cdefs_arch_unknown__) && defined(__x86_64__)
+#else
+#error Unsupported architecture
+#endif
+
#endif /* !_CDEFS_H_ */
projects / apple / xnu.git / blobdiff