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Diffstat (limited to 'cpukit/score/include/rtems/score/basedefs.h')
| -rw-r--r-- | cpukit/score/include/rtems/score/basedefs.h | 415 |
1 files changed, 0 insertions, 415 deletions
diff --git a/cpukit/score/include/rtems/score/basedefs.h b/cpukit/score/include/rtems/score/basedefs.h deleted file mode 100644 index 4e48d226e8..0000000000 --- a/cpukit/score/include/rtems/score/basedefs.h +++ /dev/null @@ -1,415 +0,0 @@ -/** - * @file - * - * @ingroup Score - * - * @brief Basic Definitions - */ - -/* - * COPYRIGHT (c) 1989-2007. - * On-Line Applications Research Corporation (OAR). - * - * Copyright (c) 2010, 2017 embedded brains GmbH. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -#ifndef _RTEMS_BASEDEFS_H -#define _RTEMS_BASEDEFS_H - -/** - * @defgroup ScoreBaseDefs Basic Definitions - * - * @ingroup Score - */ -/**@{*/ - -#include <rtems/score/cpuopts.h> - -#ifndef ASM - #include <stddef.h> - #include <stdbool.h> - #include <stdint.h> -#endif - -#ifndef TRUE - /** - * This ensures that RTEMS has TRUE defined in all situations. - */ - #define TRUE 1 -#endif - -#ifndef FALSE - /** - * This ensures that RTEMS has FALSE defined in all situations. - */ - #define FALSE 0 -#endif - -#if TRUE == FALSE - #error "TRUE equals FALSE" -#endif - -/** - * The following (in conjunction with compiler arguments) are used - * to choose between the use of static inline functions and macro - * functions. The static inline implementation allows better - * type checking with no cost in code size or execution speed. - */ -#ifdef __GNUC__ - #define RTEMS_INLINE_ROUTINE static __inline__ -#else - #define RTEMS_INLINE_ROUTINE static inline -#endif - -/** - * The following macro is a compiler specific way to ensure that memory - * writes are not reordered around certian points. This specifically can - * impact interrupt disable and thread dispatching critical sections. - */ -#ifdef __GNUC__ - #define RTEMS_COMPILER_MEMORY_BARRIER() __asm__ volatile("" ::: "memory") -#else - #define RTEMS_COMPILER_MEMORY_BARRIER() -#endif - -/** - * The following defines a compiler specific attribute which informs - * the compiler that the method must not be inlined. - */ -#ifdef __GNUC__ - #define RTEMS_NO_INLINE __attribute__((__noinline__)) -#else - #define RTEMS_NO_INLINE -#endif - -/** - * The following macro is a compiler specific way to indicate that - * the method will NOT return to the caller. This can assist the - * compiler in code generation and avoid unreachable paths. This - * can impact the code generated following calls to - * rtems_fatal_error_occurred and _Terminate. - */ -#if defined(RTEMS_SCHEDSIM) - #define RTEMS_NO_RETURN -#elif defined(__GNUC__) && !defined(RTEMS_DEBUG) - #define RTEMS_NO_RETURN __attribute__((__noreturn__)) -#else - #define RTEMS_NO_RETURN -#endif - -/* Provided for backward compatibility */ -#define RTEMS_COMPILER_NO_RETURN_ATTRIBUTE RTEMS_NO_RETURN - -/** - * The following defines a compiler specific attribute which informs - * the compiler that the method has no effect except the return value - * and that the return value depends only on parameters and/or global - * variables. - */ -#ifdef __GNUC__ - #define RTEMS_PURE __attribute__((__pure__)) -#else - #define RTEMS_PURE -#endif - -/* Provided for backward compatibility */ -#define RTEMS_COMPILER_PURE_ATTRIBUTE RTEMS_PURE - -/** - * Instructs the compiler to issue a warning whenever a variable or function - * with this attribute will be used. - */ -#ifdef __GNUC__ - #define RTEMS_DEPRECATED __attribute__((__deprecated__)) -#else - #define RTEMS_DEPRECATED -#endif - -/* Provided for backward compatibility */ -#define RTEMS_COMPILER_DEPRECATED_ATTRIBUTE RTEMS_DEPRECATED - -/** - * @brief Instructs the compiler to place a specific variable or function in - * the specified section. - */ -#if defined(__GNUC__) - #define RTEMS_SECTION( _section ) __attribute__((__section__(_section))) -#else - #define RTEMS_SECTION( _section ) -#endif - -/** - * @brief Instructs the compiler that a specific variable or function is used. - */ -#if defined(__GNUC__) - #define RTEMS_USED __attribute__((__used__)) -#else - #define RTEMS_USED -#endif - -/** - * Instructs the compiler that a specific variable is deliberately unused. - * This can occur when reading volatile device memory or skipping arguments - * in a variable argument method. - */ -#if defined(__GNUC__) - #define RTEMS_UNUSED __attribute__((__unused__)) -#else - #define RTEMS_UNUSED -#endif - -/* Provided for backward compatibility */ -#define RTEMS_COMPILER_UNUSED_ATTRIBUTE RTEMS_UNUSED - -/** - * Instructs the compiler that a specific structure or union members will be - * placed so that the least memory is used. - */ -#if defined(__GNUC__) - #define RTEMS_PACKED __attribute__((__packed__)) -#else - #define RTEMS_PACKED -#endif - -/** - * @brief Instructs the compiler to generate an alias to the specified target - * function. - */ -#if defined(__GNUC__) - #define RTEMS_ALIAS( _target ) __attribute__((__alias__(#_target))) -#else - #define RTEMS_ALIAS( _target ) -#endif - -/** - * @brief Instructs the compiler to generate a weak alias to the specified - * target function. - */ -#if defined(__GNUC__) - #define RTEMS_WEAK_ALIAS( _target ) __attribute__((__weak__, __alias__(#_target))) -#else - #define RTEMS_WEAK_ALIAS( _target ) -#endif - -/** - * @brief Instructs the compiler to enforce the specified alignment. - */ -#if defined(__GNUC__) - #define RTEMS_ALIGNED( _alignment ) __attribute__((__aligned__(_alignment))) -#else - #define RTEMS_ALIGNED( _alignment ) -#endif - -/* Provided for backward compatibility */ -#define RTEMS_COMPILER_PACKED_ATTRIBUTE RTEMS_PACKED - -#if defined(RTEMS_DEBUG) && !defined(RTEMS_SCHEDSIM) - #define _Assert_Unreachable() _Assert( 0 ) -#else - #define _Assert_Unreachable() do { } while ( 0 ) -#endif - -/** - * @brief Tells the compiler that this program point is unreachable. - */ -#if defined(__GNUC__) && !defined(RTEMS_SCHEDSIM) - #define RTEMS_UNREACHABLE() \ - do { \ - __builtin_unreachable(); \ - _Assert_Unreachable(); \ - } while ( 0 ) -#else - #define RTEMS_UNREACHABLE() _Assert_Unreachable() -#endif - -/** - * @brief Tells the compiler that this function expects printf()-like - * arguments. - */ -#if defined(__GNUC__) - #define RTEMS_PRINTFLIKE( _format_pos, _ap_pos ) \ - __attribute__((__format__(__printf__, _format_pos, _ap_pos))) -#else - #define RTEMS_PRINTFLIKE( _format_pos, _ap_pos ) -#endif - -/** - * @brief Obfuscates the variable so that the compiler cannot perform - * optimizations based on the variable value. - * - * The variable must be simple enough to fit into a register. - */ -#if defined(__GNUC__) - #define RTEMS_OBFUSCATE_VARIABLE( _var ) __asm__("" : "+r" (_var)) -#else - #define RTEMS_OBFUSCATE_VARIABLE( _var ) (void) (_var) -#endif - -#if __cplusplus >= 201103L - #define RTEMS_STATIC_ASSERT(cond, msg) \ - static_assert(cond, # msg) -#elif __STDC_VERSION__ >= 201112L - #define RTEMS_STATIC_ASSERT(cond, msg) \ - _Static_assert(cond, # msg) -#else - #define RTEMS_STATIC_ASSERT(cond, msg) \ - typedef int rtems_static_assert_ ## msg [(cond) ? 1 : -1] -#endif - -#define RTEMS_ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0])) - -/* - * Zero-length arrays are valid in C99 as flexible array members. C++11 - * doesn't allow flexible array members. Use the GNU extension which is also - * supported by other compilers. - */ -#define RTEMS_ZERO_LENGTH_ARRAY 0 - -/** - * @brief Returns a pointer to the container of a specified member pointer. - * - * @param[in] _m The pointer to a member of the container. - * @param[in] _type The type of the container. - * @param[in] _member_name The designator name of the container member. - */ -#define RTEMS_CONTAINER_OF( _m, _type, _member_name ) \ - ( (_type *) ( (uintptr_t) ( _m ) - offsetof( _type, _member_name ) ) ) - -#ifdef __cplusplus -#define RTEMS_DEQUALIFY_DEPTHX( _ptr_level, _type, _var ) \ - (const_cast<_type>( _var )) -#else /* Standard C code */ - -/* The reference type idea based on libHX by Jan Engelhardt */ -#define RTEMS_TYPEOF_REFX(_ptr_level, _ptr_type) \ - typeof(_ptr_level(union { int z; typeof(_ptr_type) x; }){0}.x) - -#if defined(__GNUC__) && !defined(ASM) -#if ((__GNUC__ * 1000 + __GNUC_MINOR__) >= 4004) -extern void* RTEMS_DEQUALIFY_types_not_compatible(void) - __attribute__((error ("RTEMS_DEQUALIFY types differ not only by volatile and const"))); -#else -extern void RTEMS_DEQUALIFY_types_not_compatible(void); -#endif -#define RTEMS_DEQUALIFY_DEPTHX( _ptr_level, _type, _var ) ( \ - __builtin_choose_expr( __builtin_types_compatible_p ( \ - RTEMS_TYPEOF_REFX( _ptr_level, _var ), \ - RTEMS_TYPEOF_REFX( _ptr_level, _type ) \ - ) || __builtin_types_compatible_p ( _type, void * ), \ - (_type)(_var), \ - RTEMS_DEQUALIFY_types_not_compatible() \ - ) \ -) -#endif /*__GNUC__*/ -#endif /*__cplusplus*/ - -#ifndef RTEMS_DECONST -#ifdef RTEMS_DEQUALIFY_DEPTHX -#define RTEMS_DECONST( _type, _var ) \ - RTEMS_DEQUALIFY_DEPTHX( *, _type, _var ) -#else /*RTEMS_DEQUALIFY_DEPTHX*/ -/** - * @brief Removes the const qualifier from a type of a variable. - * - * @param[in] _type The target type for the variable. - * @param[in] _var The variable. - */ -#define RTEMS_DECONST( _type, _var ) \ - ((_type)(uintptr_t)(const void *) ( _var )) - -#endif /*RTEMS_DEQUALIFY_DEPTHX*/ -#endif /*RTEMS_DECONST*/ - -#ifndef RTEMS_DEVOLATILE -#ifdef RTEMS_DEQUALIFY_DEPTHX -#define RTEMS_DEVOLATILE( _type, _var ) \ - RTEMS_DEQUALIFY_DEPTHX( *, _type, _var ) -#else /*RTEMS_DEQUALIFY_DEPTHX*/ -/** - * @brief Removes the volatile qualifier from a type of a variable. - * - * @param[in] _type The target type for the variable. - * @param[in] _var The variable. - */ -#define RTEMS_DEVOLATILE( _type, _var ) \ - ((_type)(uintptr_t)(volatile void *) ( _var )) - -#endif /*RTEMS_DEQUALIFY_DEPTHX*/ -#endif /*RTEMS_DEVOLATILE*/ - -#ifndef RTEMS_DEQUALIFY -#ifdef RTEMS_DEQUALIFY_DEPTHX -#define RTEMS_DEQUALIFY( _type, _var ) \ - RTEMS_DEQUALIFY_DEPTHX( *, _type, _var ) -#else /*RTEMS_DEQUALIFY_DEPTHX*/ -/** - * @brief Removes the all qualifiers from a type of a variable. - * - * @param[in] _type The target type for the variable. - * @param[in] _var The variable. - */ -#define RTEMS_DEQUALIFY( _type, _var ) \ - ((_type)(uintptr_t)(const volatile void *) ( _var )) - -#endif /*RTEMS_DEQUALIFY_DEPTHX*/ -#endif /*RTEMS_DEQUALIFY*/ - -/** - * @brief Evaluates to true if the members of two types have the same type. - * - * @param[in] _t_lhs Left hand side type. - * @param[in] _m_lhs Left hand side member. - * @param[in] _t_rhs Right hand side type. - * @param[in] _m_rhs Right hand side member. - */ -#ifdef __GNUC__ - #define RTEMS_HAVE_MEMBER_SAME_TYPE( _t_lhs, _m_lhs, _t_rhs, _m_rhs ) \ - __builtin_types_compatible_p( \ - __typeof( ( (_t_lhs *) 0 )->_m_lhs ), \ - __typeof( ( (_t_rhs *) 0 )->_m_rhs ) \ - ) -#else - #define RTEMS_HAVE_MEMBER_SAME_TYPE( _t_lhs, _m_lhs, _t_rhs, _m_rhs ) \ - true -#endif - -/** - * @brief Concatenates _x and _y without expanding. - */ -#define RTEMS_CONCAT( _x, _y ) _x##_y - -/** - * @brief Concatenates expansion of _x and expansion of _y. - */ -#define RTEMS_XCONCAT( _x, _y ) RTEMS_CONCAT( _x, _y ) - -/** - * @brief Stringifies _x without expanding. - */ -#define RTEMS_STRING( _x ) #_x - -/** - * @brief Stringifies expansion of _x. - */ -#define RTEMS_XSTRING( _x ) RTEMS_STRING( _x ) - -#ifndef ASM - #ifdef RTEMS_DEPRECATED_TYPES - typedef bool boolean; - typedef float single_precision; - typedef double double_precision; - #endif - - /** - * XXX: Eventually proc_ptr needs to disappear!!! - */ - typedef void * proc_ptr; -#endif - -/**@}*/ - -#endif /* _RTEMS_BASEDEFS_H */ |