[PATCH 11/11] rtems: Generate <rtems/score/basedefs.h>
Sebastian Huber
sebastian.huber at embedded-brains.de
Mon Nov 9 14:49:39 UTC 2020
Change license to BSD-2-Clause according to file histories and
documentation re-licensing agreement.
Update #3899.
Update #3993.
---
cpukit/include/rtems/score/basedefs.h | 1052 +++++++++++++++++--------
1 file changed, 705 insertions(+), 347 deletions(-)
diff --git a/cpukit/include/rtems/score/basedefs.h b/cpukit/include/rtems/score/basedefs.h
index 0244af1471..4855df18eb 100644
--- a/cpukit/include/rtems/score/basedefs.h
+++ b/cpukit/include/rtems/score/basedefs.h
@@ -1,601 +1,959 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
/**
* @file
*
- * @ingroup RTEMSScore
- *
- * @brief Basic Definitions
+ * @brief This header file provides basic definitions used by the API and the
+ * implementation.
*/
/*
- * COPYRIGHT (c) 1989-2007.
- * On-Line Applications Research Corporation (OAR).
+ * Copyright (C) 2014 Paval Pisa
+ * Copyright (C) 2011, 2013 On-Line Applications Research Corporation (OAR)
+ * Copyright (C) 2009, 2020 embedded brains GmbH (http://www.embedded-brains.de)
*
- * Copyright (C) 2010, 2019 embedded brains GmbH
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
*
- * 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.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
*/
-#ifndef _RTEMS_BASEDEFS_H
-#define _RTEMS_BASEDEFS_H
-
-/**
- * @defgroup RTEMSScoreBaseDefs Basic Definitions
+/*
+ * Do not manually edit this file. It is part of the RTEMS quality process
+ * and was automatically generated.
+ *
+ * If you find something that needs to be fixed or worded better please
+ * post a report to an RTEMS mailing list or raise a bug report:
*
- * @ingroup RTEMSScore
+ * https://docs.rtems.org/branches/master/user/support/bugs.html
*
- * @{
+ * For information on updating and regenerating please refer to:
+ *
+ * https://docs.rtems.org/branches/master/eng/req/howto.html
*/
+/* Generated from spec:/rtems/basedefs/if/header */
+
+#ifndef _RTEMS_SCORE_BASEDEFS_H
+#define _RTEMS_SCORE_BASEDEFS_H
+
#include <rtems/score/cpuopts.h>
-#ifndef ASM
- #include <stddef.h>
+#if !defined(ASM)
#include <stdbool.h>
+ #include <stddef.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
+#ifdef __cplusplus
+extern "C" {
#endif
-#if TRUE == FALSE
- #error "TRUE equals FALSE"
-#endif
+/* Generated from spec:/if/api */
/**
- * 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.
+ * @defgroup RTEMSAPI API
+ *
+ * @brief API
+ *
+ * This group contains the RTEMS Application Programming Interface (API).
*/
-#ifdef __GNUC__
- #define RTEMS_INLINE_ROUTINE static __inline__
-#else
- #define RTEMS_INLINE_ROUTINE static inline
-#endif
+
+/* Generated from spec:/rtems/basedefs/if/group */
/**
- * The following macro is a compiler specific way to ensure that memory
- * writes are not reordered around certain points. This specifically can
- * impact interrupt disable and thread dispatching critical sections.
+ * @defgroup RTEMSAPIBaseDefs Base Definitions
+ *
+ * @ingroup RTEMSAPI
+ *
+ * @brief This group contains basic macros and defines to give access to
+ * compiler-specific features.
*/
-#ifdef __GNUC__
- #define RTEMS_COMPILER_MEMORY_BARRIER() __asm__ volatile("" ::: "memory")
-#else
- #define RTEMS_COMPILER_MEMORY_BARRIER()
-#endif
+
+/* Generated from spec:/rtems/basedefs/if/alias */
/**
- * The following defines a compiler specific attribute which informs
- * the compiler that the method must not be inlined.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Instructs the compiler to generate an alias to the target function.
+ *
+ * @param _target is the target function name.
*/
-#ifdef __GNUC__
- #define RTEMS_NO_INLINE __attribute__((__noinline__))
+#if defined(__GNUC__)
+ #define RTEMS_ALIAS( _target ) __attribute__((__alias__(#_target)))
#else
- #define RTEMS_NO_INLINE
+ #define RTEMS_ALIAS( _target )
#endif
+/* Generated from spec:/rtems/basedefs/if/align-down */
+
/**
- * 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.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Aligns down the value to the alignment.
+ *
+ * @param _value is the value to align down.
+ *
+ * @param _alignment is the desired alignment in bytes. The alignment shall be
+ * a power of two, otherwise the returned value is undefined. The alignment
+ * parameter is evaluated twice.
+ *
+ * @return Returns the value aligned down to the alignment.
*/
-#if __cplusplus >= 201103L
- #define RTEMS_NO_RETURN [[noreturn]]
-#elif __STDC_VERSION__ >= 201112L
- #define RTEMS_NO_RETURN _Noreturn
-#elif defined(__GNUC__)
- #define RTEMS_NO_RETURN __attribute__((__noreturn__))
-#else
- #define RTEMS_NO_RETURN
-#endif
+#define RTEMS_ALIGN_DOWN( _value, _alignment ) \
+ ( ( _value ) & ~( ( _alignment ) - 1 ) )
-/* Provided for backward compatibility */
-#define RTEMS_COMPILER_NO_RETURN_ATTRIBUTE RTEMS_NO_RETURN
+/* Generated from spec:/rtems/basedefs/if/align-up */
/**
- * 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 the value of parameters.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Aligns up the value to the alignment.
+ *
+ * @param _value is the value to align up.
+ *
+ * @param _alignment is the desired alignment in bytes. The alignment shall be
+ * a power of two, otherwise the returned value is undefined. The alignment
+ * parameter is evaluated twice.
+ *
+ * @return Returns the value aligned up to the alignment.
*/
-#ifdef __GNUC__
- #define RTEMS_CONST __attribute__((__const__))
-#else
- #define RTEMS_CONST
-#endif
+#define RTEMS_ALIGN_UP( _value, _alignment ) \
+ ( ( ( _value ) + ( _alignment ) - 1 ) & ~( ( _alignment ) - 1 ) )
+
+/* Generated from spec:/rtems/basedefs/if/aligned */
/**
- * 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.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Instructs the compiler in a declaration or definition to enforce the
+ * alignment.
+ *
+ * @param _alignment is the desired alignment in bytes.
*/
-#ifdef __GNUC__
- #define RTEMS_PURE __attribute__((__pure__))
+#if defined(__GNUC__)
+ #define RTEMS_ALIGNED( _alignment ) __attribute__((__aligned__(_alignment)))
#else
- #define RTEMS_PURE
+ #define RTEMS_ALIGNED( _alignment )
#endif
-/* Provided for backward compatibility */
-#define RTEMS_COMPILER_PURE_ATTRIBUTE RTEMS_PURE
+/* Generated from spec:/rtems/basedefs/if/alloc-align */
/**
- * Instructs the compiler to issue a warning whenever a variable or function
- * with this attribute will be used.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Tells the compiler in a declaration that the memory allocation
+ * alignment parameter of this function is similar to aligned_alloc().
+ *
+ * @param _index is the allocation alignment parameter index (starting with
+ * one).
*/
-#ifdef __GNUC__
- #define RTEMS_DEPRECATED __attribute__((__deprecated__))
+#if defined(__GNUC__)
+ #define RTEMS_ALLOC_ALIGN( _index ) __attribute__((__alloc_align__(_index)))
#else
- #define RTEMS_DEPRECATED
+ #define RTEMS_ALLOC_ALIGN( _index )
#endif
-/* Provided for backward compatibility */
-#define RTEMS_COMPILER_DEPRECATED_ATTRIBUTE RTEMS_DEPRECATED
+/* Generated from spec:/rtems/basedefs/if/alloc-size */
/**
- * @brief Instructs the compiler to place a specific variable or function in
- * the specified section.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Tells the compiler in a declaration that the memory allocation size
+ * parameter of this function is similar to malloc().
+ *
+ * @param _index is the allocation size parameter index (starting with one).
*/
#if defined(__GNUC__)
- #define RTEMS_SECTION( _section ) __attribute__((__section__(_section)))
+ #define RTEMS_ALLOC_SIZE( _index ) __attribute__((__alloc_size__(_index)))
#else
- #define RTEMS_SECTION( _section )
+ #define RTEMS_ALLOC_SIZE( _index )
#endif
+/* Generated from spec:/rtems/basedefs/if/alloc-size-2 */
+
/**
- * @brief Instructs the compiler that a specific variable or function is used.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Tells the compiler in a declaration that the memory allocation item
+ * count and item size parameter of this function is similar to calloc().
+ *
+ * @param _count_index is the allocation item count parameter index (starting
+ * with one).
+ *
+ * @param _size_index is the allocation item size parameter index (starting
+ * with one).
*/
#if defined(__GNUC__)
- #define RTEMS_USED __attribute__((__used__))
+ #define RTEMS_ALLOC_SIZE_2( _count_index, _size_index ) \
+ __attribute__((__alloc_size__(_count_index, _size_index)))
#else
- #define RTEMS_USED
+ #define RTEMS_ALLOC_SIZE_2( _count_index, _size_index )
#endif
+/* Generated from spec:/rtems/basedefs/if/array-size */
+
/**
- * 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.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Gets the element count of the array.
+ *
+ * @param _array is the name of the array. This parameter is evaluated twice.
+ *
+ * @return Returns the element count of the array.
*/
-#if defined(__GNUC__)
- #define RTEMS_UNUSED __attribute__((__unused__))
-#else
- #define RTEMS_UNUSED
-#endif
+#define RTEMS_ARRAY_SIZE( _array ) \
+ ( sizeof( _array ) / sizeof( ( _array )[ 0 ] ) )
-/* Provided for backward compatibility */
-#define RTEMS_COMPILER_UNUSED_ATTRIBUTE RTEMS_UNUSED
+/* Generated from spec:/rtems/basedefs/if/compiler-memory-barrier */
/**
- * Instructs the compiler that a specific structure or union members will be
- * placed so that the least memory is used.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief This macro forbids the compiler to reorder read and write commands
+ * around it.
*/
#if defined(__GNUC__)
- #define RTEMS_PACKED __attribute__((__packed__))
+ #define RTEMS_COMPILER_MEMORY_BARRIER() __asm__ volatile( "" ::: "memory" )
#else
- #define RTEMS_PACKED
+ #define RTEMS_COMPILER_MEMORY_BARRIER() do { } while ( 0 )
#endif
+/* Generated from spec:/rtems/basedefs/if/concat */
+
/**
- * @brief Instructs the compiler to generate an alias to the specified target
- * function.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Concatenates _x and _y without expanding.
+ *
+ * @param _x is the left hand side token of the concatenation.
+ *
+ * @param _y is the right hand side token of the concatenation.
+ *
+ * @return Returns the concatenation of the tokens _x and _y.
*/
-#if defined(__GNUC__)
- #define RTEMS_ALIAS( _target ) __attribute__((__alias__(#_target)))
-#else
- #define RTEMS_ALIAS( _target )
-#endif
+#define RTEMS_CONCAT( _x, _y ) _x##_y
+
+/* Generated from spec:/rtems/basedefs/if/const */
/**
- * @brief Instructs the compiler to define a weak function.
+ * @ingroup RTEMSAPIBaseDefs
*
- * Use this attribute for function definitions. Do not use it for function
- * declarations.
+ * @brief Tells the compiler in a function declaration that this function has
+ * no effect except the return value and that the return value depends only
+ * on the value of parameters.
*/
#if defined(__GNUC__)
- #define RTEMS_WEAK __attribute__((__weak__))
+ #define RTEMS_CONST __attribute__((__const__))
#else
- #define RTEMS_WEAK
+ #define RTEMS_CONST
#endif
+/* Generated from spec:/rtems/basedefs/if/container-of */
+
+/**
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Gets the container of a member.
+ *
+ * @param _m is the pointer to a member of the container.
+ *
+ * @param _type is the type of the container.
+ *
+ * @param _member_name is the designator name of the container member.
+ *
+ * @return Returns the pointer to the container of a member pointer.
+ */
+#define RTEMS_CONTAINER_OF( _m, _type, _member_name ) \
+ ( (_type *) ( (uintptr_t) ( _m ) - offsetof( _type, _member_name ) ) )
+
+/* Generated from spec:/rtems/basedefs/if/declare-global-symbol */
+
+/**
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Declares a global symbol with the name.
+ *
+ * This macro must be placed at file scope.
+ *
+ * @param _name is the name of the global symbol. It shall be a valid
+ * designator.
+ */
+#define RTEMS_DECLARE_GLOBAL_SYMBOL( _name ) extern char _name[]
+
+/* Generated from spec:/rtems/basedefs/if/deprecated */
+
/**
- * @brief Instructs the compiler to generate a weak alias to the specified
- * target function.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Instructs the compiler in a declaration to issue a warning whenever a
+ * variable, function, or type using this declaration will be used.
*/
#if defined(__GNUC__)
- #define RTEMS_WEAK_ALIAS( _target ) __attribute__((__weak__, __alias__(#_target)))
+ #define RTEMS_DEPRECATED __attribute__((__deprecated__))
#else
- #define RTEMS_WEAK_ALIAS( _target )
+ #define RTEMS_DEPRECATED
#endif
+/* Generated from spec:/rtems/basedefs/if/compiler-deprecated-attribute */
+
/**
- * @brief Returns the specified value aligned down to the specified alignment.
+ * @ingroup RTEMSAPIBaseDefs
*
- * @param _value is the value to align down.
+ * @brief Provided for backward compatibility.
+ */
+#define RTEMS_COMPILER_DEPRECATED_ATTRIBUTE RTEMS_DEPRECATED
+
+/* Generated from spec:/rtems/basedefs/if/expand */
+
+/**
+ * @ingroup RTEMSAPIBaseDefs
*
- * @param _alignment is the desired alignment in bytes. The alignment shall be
- * a power of two, otherwise the returned value is undefined. The alignment
- * parameter is evaluated twice.
+ * @brief Helper macro to perform a macro expansion on the token.
*
- * @return The specified value aligned down to the specified alignment is
- * returned.
+ * @param _token is the token to expand.
*/
-#define RTEMS_ALIGN_DOWN( _value, _alignment ) \
- ( ( _value ) & ~( ( _alignment ) - 1 ) )
+#define RTEMS_EXPAND( _token ) _token
+
+/* Generated from spec:/rtems/basedefs/if/string */
/**
- * @brief Returns the specified value aligned up to the specified alignment.
+ * @ingroup RTEMSAPIBaseDefs
*
- * @param _value is the value to align up.
+ * @brief Stringifies _x without expanding.
*
- * @param _alignment is the desired alignment in bytes. The alignment shall be
- * a power of two, otherwise the returned value is undefined. The alignment
- * parameter is evaluated twice.
+ * @param _x is the token to stringify.
*
- * @return The specified value aligned up to the specified alignment is
- * returned.
+ * @return Returns the stringification of the token _x.
*/
-#define RTEMS_ALIGN_UP( _value, _alignment ) \
- ( ( ( _value ) + ( _alignment ) - 1 ) & ~( ( _alignment ) - 1 ) )
+#define RTEMS_STRING( _x ) #_x
+
+/* Generated from spec:/rtems/basedefs/if/typeof-refx */
/**
- * @brief Instructs the compiler to enforce the specified alignment.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Gets the pointer reference type.
+ *
+ * The reference type idea is based on libHX by Jan Engelhardt.
+ *
+ * @param _level is the pointer indirection level expressed in *.
+ *
+ * @param _target is the reference target type.
+ *
+ * @return Returns the type of a pointer reference of the specified level to
+ * the specified type.
*/
#if defined(__GNUC__)
- #define RTEMS_ALIGNED( _alignment ) __attribute__((__aligned__(_alignment)))
+ #define RTEMS_TYPEOF_REFX( _level, _target ) \
+ __typeof__( _level( union { int z; __typeof__( _target ) x; } ){ 0 }.x )
#else
- #define RTEMS_ALIGNED( _alignment )
+ #define RTEMS_TYPEOF_REFX( _level, _target )
#endif
-/* Provided for backward compatibility */
-#define RTEMS_COMPILER_PACKED_ATTRIBUTE RTEMS_PACKED
+/* Generated from spec:/rtems/basedefs/if/xconcat */
+
+/**
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Concatenates expansion of _x and expansion of _y.
+ *
+ * @param _x is expanded first and then used as the left hand side token of the
+ * concatenation.
+ *
+ * @param _y is expanded first and then used as the right hand side token of
+ * the concatenation.
+ *
+ * @return Returns the concatenation of the expansions of tokens _x and _y.
+ */
+#define RTEMS_XCONCAT( _x, _y ) RTEMS_CONCAT( _x, _y )
+
+/* Generated from spec:/score/if/assert-unreachable */
-#if defined(RTEMS_DEBUG) && !defined(RTEMS_SCHEDSIM)
+/**
+ * @brief Asserts that this program point is unreachable.
+ */
+#if defined(RTEMS_DEBUG)
#define _Assert_Unreachable() _Assert( 0 )
#else
#define _Assert_Unreachable() do { } while ( 0 )
#endif
+#if !defined(ASM)
+ /* Generated from spec:/score/if/dequalify-types-not-compatible */
+
+ /**
+ * @brief A not implemented function to trigger compile time errors with an
+ * error message.
+ */
+ #if defined(__GNUC__)
+ __attribute__((__error__("RTEMS_DEQUALIFY() types differ not only by volatile and const"))) void *
+ RTEMS_DEQUALIFY_types_not_compatible( void );
+ #else
+ void *RTEMS_DEQUALIFY_types_not_compatible( void );
+ #endif
+#endif
+
+/* Generated from spec:/rtems/basedefs/if/dequalify-depthx */
+
/**
- * @brief Tells the compiler that this program point is unreachable.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Performs a type cast which removes qualifiers without warnings to the
+ * type for the variable.
+ *
+ * @param _ptr_level is the pointer indirection level expressed in *.
+ *
+ * @param _type is the target type of the cast.
+ *
+ * @param _var is the variable.
*/
-#if defined(__GNUC__) && !defined(RTEMS_SCHEDSIM)
- #define RTEMS_UNREACHABLE() \
- do { \
- __builtin_unreachable(); \
- _Assert_Unreachable(); \
- } while ( 0 )
+#if defined(__cplusplus)
+ #define RTEMS_DEQUALIFY_DEPTHX( _ptr_level, _type, _var ) \
+ (const_cast<_type>(_var))
+#elif defined(__GNUC__)
+ #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())
#else
- #define RTEMS_UNREACHABLE() _Assert_Unreachable()
+ #define RTEMS_DEQUALIFY_DEPTHX( _ptr_level, _type, _var ) \
+ ((_type)(uintptr_t)(const volatile void *)(_var))
#endif
+/* Generated from spec:/rtems/basedefs/if/deconst */
+
/**
- * @brief Tells the compiler that this function expects printf()-like
- * arguments.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Performs a type cast which removes const qualifiers without warnings
+ * to the type for the pointer variable.
+ *
+ * @param _type is the target type of the cast.
+ *
+ * @param _var is the pointer variable.
*/
-#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 )
+#define RTEMS_DECONST( _type, _var ) RTEMS_DEQUALIFY_DEPTHX(*, _type, _var)
+
+/* Generated from spec:/rtems/basedefs/if/dequalify */
+
+/**
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Performs a type cast which removes all qualifiers without warnings to
+ * the type for the pointer variable.
+ *
+ * @param _type is the target type of the cast.
+ *
+ * @param _var is the pointer variable.
+ */
+#define RTEMS_DEQUALIFY( _type, _var ) RTEMS_DEQUALIFY_DEPTHX(*, _type, _var)
+
+/* Generated from spec:/rtems/basedefs/if/devolatile */
+
+/**
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Performs a type cast which removes volatile qualifiers without
+ * warnings to the type for the pointer variable.
+ *
+ * @param _type is the target type of the cast.
+ *
+ * @param _var is the pointer variable.
+ */
+#define RTEMS_DEVOLATILE( _type, _var ) RTEMS_DEQUALIFY_DEPTHX(*, _type, _var)
+
+#if !defined(FALSE)
+ /* Generated from spec:/rtems/basedefs/if/false */
+
+ /**
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief If FALSE is undefined, then FALSE is defined to 0.
+ */
+ #define FALSE 0
#endif
+/* Generated from spec:/rtems/basedefs/if/have-member-same-type */
+
/**
- * @brief Tells the compiler that this function is a memory allocation function
- * similar to malloc().
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Checks if members of two types have compatible types.
+ *
+ * @param _t_lhs is the left hand side type.
+ *
+ * @param _m_lhs is the left hand side member.
+ *
+ * @param _t_rhs is the right hand side type.
+ *
+ * @param _m_rhs is the right hand side member.
+ *
+ * @return Returns to true, if the members of two types have compatible types,
+ * otherwise false.
*/
#if defined(__GNUC__)
- #define RTEMS_MALLOCLIKE __attribute__((__malloc__))
+ #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_MALLOCLIKE
+ #define RTEMS_HAVE_MEMBER_SAME_TYPE( _t_lhs, _m_lhs, _t_rhs, _m_rhs ) true
#endif
+/* Generated from spec:/rtems/basedefs/if/inline-routine */
+
/**
- * @brief Tells the compiler the memory allocation size parameter of this
- * function similar to malloc().
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Gives a hint to the compiler in a function declaration to inline this
+ * function.
*/
#if defined(__GNUC__)
- #define RTEMS_ALLOC_SIZE( _index ) __attribute__((__alloc_size__(_index)))
+ #define RTEMS_INLINE_ROUTINE static __inline__
#else
- #define RTEMS_ALLOC_SIZE( _index )
+ #define RTEMS_INLINE_ROUTINE static inline
#endif
+/* Generated from spec:/rtems/basedefs/if/malloclike */
+
/**
- * @brief Tells the compiler the memory allocation item count and item size
- * parameter of this function similar to calloc().
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Tells the compiler in a declaration that this function is a memory
+ * allocation function similar to malloc().
*/
#if defined(__GNUC__)
- #define RTEMS_ALLOC_SIZE_2( _count_index, _size_index ) \
- __attribute__((__alloc_size__(_count_index, _size_index)))
+ #define RTEMS_MALLOCLIKE __attribute__((__malloc__))
#else
- #define RTEMS_ALLOC_SIZE_2( _count_index, _size_index )
+ #define RTEMS_MALLOCLIKE
#endif
+/* Generated from spec:/rtems/basedefs/if/no-inline */
+
/**
- * @brief Tells the compiler the memory allocation alignment parameter of this
- * function similar to aligned_alloc().
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Instructs the compiler in a function declaration to not inline this
+ * function.
*/
#if defined(__GNUC__)
- #define RTEMS_ALLOC_ALIGN( _index ) __attribute__((__alloc_align__(_index)))
+ #define RTEMS_NO_INLINE __attribute__((__noinline__))
#else
- #define RTEMS_ALLOC_ALIGN( _index )
+ #define RTEMS_NO_INLINE
#endif
+/* Generated from spec:/rtems/basedefs/if/no-return */
+
/**
- * @brief Tells the compiler that the result of this function should be used.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Tells the compiler in a function declaration that this function does
+ * not return.
*/
-#if defined(__GNUC__)
- #define RTEMS_WARN_UNUSED_RESULT __attribute__((__warn_unused_result__))
+#if __cplusplus >= 201103L
+ #define RTEMS_NO_RETURN [[noreturn]]
+#elif __STDC_VERSION__ >= 201112L
+ #define RTEMS_NO_RETURN _Noreturn
+#elif defined(__GNUC__)
+ #define RTEMS_NO_RETURN __attribute__((__noreturn__))
#else
- #define RTEMS_WARN_UNUSED_RESULT
+ #define RTEMS_NO_RETURN
#endif
+/* Generated from spec:/rtems/basedefs/if/compiler-no-return-attribute */
+
/**
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Provided for backward compatibility.
+ */
+#define RTEMS_COMPILER_NO_RETURN_ATTRIBUTE RTEMS_NO_RETURN
+
+/* Generated from spec:/rtems/basedefs/if/obfuscate-variable */
+
+/**
+ * @ingroup RTEMSAPIBaseDefs
+ *
* @brief Obfuscates the variable so that the compiler cannot perform
- * optimizations based on the variable value.
+ * optimizations based on the variable value.
*
* The variable must be simple enough to fit into a register.
+ *
+ * @param _var is the variable to obfuscate.
*/
#if defined(__GNUC__)
- #define RTEMS_OBFUSCATE_VARIABLE( _var ) __asm__("" : "+r" (_var))
+ #define RTEMS_OBFUSCATE_VARIABLE( _var ) __asm__( "" : "+r" ( _var ) )
#else
#define RTEMS_OBFUSCATE_VARIABLE( _var ) (void) (_var)
#endif
+/* Generated from spec:/rtems/basedefs/if/packed */
+
/**
- * @brief Declares a global symbol with the specified name.
- *
- * This macro must be placed at file scope.
+ * @ingroup RTEMSAPIBaseDefs
*
- * The name must be a valid designator.
+ * @brief Instructs the compiler in a type definition to place members of a
+ * structure or union so that the memory required is minimized.
*/
-#define RTEMS_DECLARE_GLOBAL_SYMBOL( _name ) \
- extern char _name[]
+#if defined(__GNUC__)
+ #define RTEMS_PACKED __attribute__((__packed__))
+#else
+ #define RTEMS_PACKED
+#endif
+
+/* Generated from spec:/rtems/basedefs/if/compiler-packed-attribute */
/**
- * @brief Constructs a symbol name.
+ * @ingroup RTEMSAPIBaseDefs
*
- * @param _name The user defined name of the symbol. The name shall be a valid
- * designator. On the name a macro expansion is performed.
+ * @brief Provided for backward compatibility.
*/
-#if defined(__USER_LABEL_PREFIX__)
- #define RTEMS_SYMBOL_NAME( _name ) \
- RTEMS_XCONCAT( __USER_LABEL_PREFIX__, _name )
-#else
- /* Helper to perform the macro expansion */
- #define _RTEMS_SYMBOL_NAME( _name ) _name
+#define RTEMS_COMPILER_PACKED_ATTRIBUTE RTEMS_PACKED
- #define RTEMS_SYMBOL_NAME( _name ) _RTEMS_SYMBOL_NAME( _name )
-#endif
+/* Generated from spec:/rtems/basedefs/if/predict-false */
/**
- * @brief Defines a global symbol with the specified name and value.
+ * @ingroup RTEMSAPIBaseDefs
*
- * This macro shall be placed at file scope.
+ * @brief Evaluates the integral expression and tells the compiler that the
+ * predicted value is false (0).
*
- * @param _name The user defined name of the symbol. The name shall be a valid
- * designator. On the name a macro expansion is performed and afterwards it
- * is stringified.
- * @param _value The value of the symbol. On the value a macro expansion is
- * performed and afterwards it is stringified. It shall expand to an integer
- * expression understood by the assembler.
+ * @param _exp is the integral expression.
+ *
+ * @return Returns the value of the integral expression and tells the compiler
+ * that the predicted value is false (0).
*/
#if defined(__GNUC__)
- #define RTEMS_DEFINE_GLOBAL_SYMBOL( _name, _value ) \
- __asm__( \
- "\t.globl " RTEMS_XSTRING( RTEMS_SYMBOL_NAME( _name ) ) \
- "\n\t.set " RTEMS_XSTRING( RTEMS_SYMBOL_NAME( _name ) ) \
- ", " RTEMS_STRING( _value ) "\n" \
- )
+ #define RTEMS_PREDICT_FALSE( _exp ) __builtin_expect( ( _exp ), 0 )
#else
- #define RTEMS_DEFINE_GLOBAL_SYMBOL( _name, _value )
+ #define RTEMS_PREDICT_FALSE( _exp ) ( _exp )
#endif
+/* Generated from spec:/rtems/basedefs/if/predict-true */
+
/**
- * @brief Returns the value of the specified integral expression and tells the
- * compiler that the predicted value is true (1).
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Evaluates the integral expression and tells the compiler that the
+ * predicted value is true (1).
*
- * @param[in] _exp The expression.
+ * @param _exp is the integral expression.
*
- * @return The value of the expression.
+ * @return Returns the value of the integral expression and tells the compiler
+ * that the predicted value is true (1).
*/
#if defined(__GNUC__)
- #define RTEMS_PREDICT_TRUE( _exp ) __builtin_expect( ( _exp ), 1 )
+ #define RTEMS_PREDICT_TRUE( _exp ) __builtin_expect( ( _exp ), 0 )
#else
#define RTEMS_PREDICT_TRUE( _exp ) ( _exp )
#endif
+/* Generated from spec:/rtems/basedefs/if/printflike */
+
/**
- * @brief Returns the value of the specified integral expression and tells the
- * compiler that the predicted value is false (0).
+ * @ingroup RTEMSAPIBaseDefs
*
- * @param[in] _exp The expression.
+ * @brief Tells the compiler in a declaration that this function expects
+ * printf()-like arguments.
*
- * @return The value of the expression.
+ * @param _format_pos is the position of the format parameter index (starting
+ * with one).
+ *
+ * @param _ap_pos is the position of the argument pointer parameter index
+ * (starting with one).
*/
#if defined(__GNUC__)
- #define RTEMS_PREDICT_FALSE( _exp ) __builtin_expect( ( _exp ), 0 )
+ #define RTEMS_PRINTFLIKE( _format_pos, _ap_pos ) \
+ __attribute__((__format__(__printf__, _format_pos, _ap_pos)))
#else
- #define RTEMS_PREDICT_FALSE( _exp ) ( _exp )
+ #define RTEMS_PRINTFLIKE( _format_pos, _ap_pos )
+#endif
+
+/* Generated from spec:/rtems/basedefs/if/pure */
+
+/**
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Tells the compiler in a function declaration that this function has
+ * no effect except the return value and that the return value depends only
+ * on the value of parameters and/or global variables.
+ */
+#if defined(__GNUC__)
+ #define RTEMS_PURE __attribute__((__pure__))
+#else
+ #define RTEMS_PURE
#endif
+/* Generated from spec:/rtems/basedefs/if/compiler-pure-attribute */
+
/**
- * @brief Returns the return address of the current function.
+ * @ingroup RTEMSAPIBaseDefs
*
- * @return The return address.
+ * @brief Provided for backward compatibility.
+ */
+#define RTEMS_COMPILER_PURE_ATTRIBUTE RTEMS_PURE
+
+/* Generated from spec:/rtems/basedefs/if/return-address */
+
+/**
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Gets the return address of the current function.
+ *
+ * @return Returns the return address of the current function.
*/
#if defined(__GNUC__)
- #define RTEMS_RETURN_ADDRESS() __builtin_return_address( 0 )
+ #define RTEMS_RETURN_ADDRESS() __builtin_return_address(0)
#else
#define RTEMS_RETURN_ADDRESS() NULL
#endif
+/* Generated from spec:/rtems/basedefs/if/section */
+
+/**
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Instructs the compiler to place the variable or function in the
+ * section.
+ *
+ * @param _section is the section name as a string.
+ */
+#if defined(__GNUC__)
+ #define RTEMS_SECTION( _section ) __attribute__((__section__(_section)))
+#else
+ #define RTEMS_SECTION( _section )
+#endif
+
+/* Generated from spec:/rtems/basedefs/if/static-assert */
+
+/**
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Asserts at compile time that the condition is satisfied.
+ *
+ * @param _cond is the condition this static assertion shall satisfy.
+ *
+ * @param _msg is the error message in case the static assertion fails.
+ */
#if __cplusplus >= 201103L
- #define RTEMS_STATIC_ASSERT(cond, msg) \
- static_assert(cond, # msg)
+ #define RTEMS_STATIC_ASSERT( _cond, _msg ) static_assert(_cond, # _msg)
#elif __STDC_VERSION__ >= 201112L
- #define RTEMS_STATIC_ASSERT(cond, msg) \
- _Static_assert(cond, # msg)
+ #define RTEMS_STATIC_ASSERT( _cond, _msg ) _Static_assert(_cond, # _msg)
#else
- #define RTEMS_STATIC_ASSERT(cond, msg) \
- struct rtems_static_assert_ ## msg \
- { int rtems_static_assert_ ## msg : (cond) ? 1 : -1; }
+ #define RTEMS_STATIC_ASSERT( _cond, _msg ) \
+ struct rtems_static_assert_ ## _msg \
+ { int rtems_static_assert_ ## _msg : (_cond) ? 1 : -1; }
#endif
-#define RTEMS_ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
+/* Generated from spec:/rtems/basedefs/if/symbol-name */
-/*
- * 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.
+/**
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Maps the name to the associated symbol name.
+ *
+ * @param _name is the user defined name of the symbol. The name shall be a
+ * valid designator. On the name a macro expansion is performed.
+ *
+ * @return Returns the symbol name associated with the name.
*/
-#if __STDC_VERSION__ >= 199409L
- #define RTEMS_ZERO_LENGTH_ARRAY
+#if defined(__USER_LABEL_PREFIX__)
+ #define RTEMS_SYMBOL_NAME( _name ) RTEMS_XCONCAT(__USER_LABEL_PREFIX__, _name)
#else
- #define RTEMS_ZERO_LENGTH_ARRAY 0
+ #define RTEMS_SYMBOL_NAME( _name ) RTEMS_EXPAND(_name)
+#endif
+
+#if !defined(TRUE)
+ /* Generated from spec:/rtems/basedefs/if/true */
+
+ /**
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief If TRUE is undefined, then TRUE is defined to 1.
+ */
+ #define TRUE 1
+#endif
+
+/* Generated from spec:/rtems/basedefs/if/unreachable */
+
+/**
+ * @brief Tells the compiler that this program point is unreachable.
+ */
+#if defined(__GNUC__)
+ #define RTEMS_UNREACHABLE() \
+ do { \
+ __builtin_unreachable(); \
+ _Assert_Unreachable(); \
+ } while ( 0 )
+#else
+ #define RTEMS_UNREACHABLE() _Assert_Unreachable()
#endif
+/* Generated from spec:/rtems/basedefs/if/unused */
+
/**
- * @brief Returns a pointer to the container of a specified member pointer.
+ * @ingroup RTEMSAPIBaseDefs
*
- * @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.
+ * @brief Tells the compiler that the variable or function is deliberately
+ * unused.
*/
-#define RTEMS_CONTAINER_OF( _m, _type, _member_name ) \
- ( (_type *) ( (uintptr_t) ( _m ) - offsetof( _type, _member_name ) ) )
+#if defined(__GNUC__)
+ #define RTEMS_UNUSED __attribute__((__unused__))
+#else
+ #define RTEMS_UNUSED
+#endif
-#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*/
+/* Generated from spec:/rtems/basedefs/if/used */
-#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.
+ * @ingroup RTEMSAPIBaseDefs
*
- * @param[in] _type The target type for the variable.
- * @param[in] _var The variable.
+ * @brief Tells the compiler that the variable or function is used.
*/
-#define RTEMS_DECONST( _type, _var ) \
- ((_type)(uintptr_t)(const void *) ( _var ))
+#if defined(__GNUC__)
+ #define RTEMS_USED __attribute__((__used__))
+#else
+ #define RTEMS_USED
+#endif
-#endif /*RTEMS_DEQUALIFY_DEPTHX*/
-#endif /*RTEMS_DECONST*/
+/* Generated from spec:/rtems/basedefs/if/compiler-used-attribute */
-#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.
+ * @ingroup RTEMSAPIBaseDefs
*
- * @param[in] _type The target type for the variable.
- * @param[in] _var The variable.
+ * @brief Provided for backward compatibility.
*/
-#define RTEMS_DEVOLATILE( _type, _var ) \
- ((_type)(uintptr_t)(volatile void *) ( _var ))
+#define RTEMS_COMPILER_USED_ATTRIBUTE RTEMS_USED
-#endif /*RTEMS_DEQUALIFY_DEPTHX*/
-#endif /*RTEMS_DEVOLATILE*/
+/* Generated from spec:/rtems/basedefs/if/warn-unused-result */
-#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.
+ * @ingroup RTEMSAPIBaseDefs
*
- * @param[in] _type The target type for the variable.
- * @param[in] _var The variable.
+ * @brief Tells the compiler in a declaration that the result of this function
+ * should be used.
*/
-#define RTEMS_DEQUALIFY( _type, _var ) \
- ((_type)(uintptr_t)(const volatile void *) ( _var ))
+#if defined(__GNUC__)
+ #define RTEMS_WARN_UNUSED_RESULT __attribute__((__warn_unused_result__))
+#else
+ #define RTEMS_WARN_UNUSED_RESULT
+#endif
-#endif /*RTEMS_DEQUALIFY_DEPTHX*/
-#endif /*RTEMS_DEQUALIFY*/
+/* Generated from spec:/rtems/basedefs/if/weak */
/**
- * @brief Evaluates to true if the members of two types have the same type.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Tells the compiler in a function definition that this function should
+ * be weak.
*
- * @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.
+ * Use this attribute for function definitions. Do not use it for function
+ * declarations.
*/
-#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 ) \
- )
+#if defined(__GNUC__)
+ #define RTEMS_WEAK __attribute__((__weak__))
#else
- #define RTEMS_HAVE_MEMBER_SAME_TYPE( _t_lhs, _m_lhs, _t_rhs, _m_rhs ) \
- true
+ #define RTEMS_WEAK
#endif
+/* Generated from spec:/rtems/basedefs/if/weak-alias */
+
/**
- * @brief Concatenates _x and _y without expanding.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Instructs the compiler to generate a weak alias to the target
+ * function.
+ *
+ * @param _target is the target function name.
*/
-#define RTEMS_CONCAT( _x, _y ) _x##_y
+#if defined(__GNUC__)
+ #define RTEMS_WEAK_ALIAS( _target ) \
+ __attribute__((__weak__, __alias__(#_target)))
+#else
+ #define RTEMS_WEAK_ALIAS( _target )
+#endif
+
+/* Generated from spec:/rtems/basedefs/if/xstring */
/**
- * @brief Concatenates expansion of _x and expansion of _y.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Stringifies the expansion of _x.
+ *
+ * @param _x is the token expand and stringify.
+ *
+ * @return Returns the stringification of the expansion of token _x.
*/
-#define RTEMS_XCONCAT( _x, _y ) RTEMS_CONCAT( _x, _y )
+#define RTEMS_XSTRING( _x ) RTEMS_STRING( _x )
+
+/* Generated from spec:/rtems/basedefs/if/define-global-symbol */
/**
- * @brief Stringifies _x without expanding.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief Defines a global symbol with the name and value.
+ *
+ * This macro shall be placed at file scope.
+ *
+ * @param _name is the user defined name of the symbol. The name shall be a
+ * valid designator. On the name a macro expansion is performed and
+ * afterwards it is stringified.
+ *
+ * @param _value is the value of the symbol. On the value a macro expansion is
+ * performed and afterwards it is stringified. It shall expand to an integer
+ * expression understood by the assembler.
*/
-#define RTEMS_STRING( _x ) #_x
+#if defined(__USER_LABEL_PREFIX__)
+ #define RTEMS_DEFINE_GLOBAL_SYMBOL( _name, _value ) \
+ __asm__( \
+ "\t.globl " RTEMS_XSTRING( RTEMS_SYMBOL_NAME( _name ) ) \
+ "\n\t.set " RTEMS_XSTRING( RTEMS_SYMBOL_NAME( _name ) ) \
+ ", " RTEMS_STRING( _value ) "\n" \
+ )
+#else
+ #define RTEMS_DEFINE_GLOBAL_SYMBOL( _name, _value )
+#endif
+
+/* Generated from spec:/rtems/basedefs/if/zero-length-array */
/**
- * @brief Stringifies expansion of _x.
+ * @ingroup RTEMSAPIBaseDefs
+ *
+ * @brief This constant represents the element count of a zero-length array.
+ *
+ * Zero-length arrays are valid in C99 as flexible array members. C++11 does
+ * not allow flexible array members. Use the GNU extension which is also
+ * supported by other compilers.
*/
-#define RTEMS_XSTRING( _x ) RTEMS_STRING( _x )
+#if __STDC_VERSION__ >= 199409L
+ #define RTEMS_ZERO_LENGTH_ARRAY
+#else
+ #define RTEMS_ZERO_LENGTH_ARRAY 0
+#endif
-/** @} */
+#ifdef __cplusplus
+}
+#endif
-#endif /* _RTEMS_BASEDEFS_H */
+#endif /* _RTEMS_SCORE_BASEDEFS_H */
--
2.26.2
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