X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/5e14c194c9a2f5cb52a43f7efeacb795a38ced74..3eb81df998349e90c3d973e6301f19382c5b2e84:/LUFA/Common/FunctionAttributes.h diff --git a/LUFA/Common/FunctionAttributes.h b/LUFA/Common/FunctionAttributes.h deleted file mode 100644 index a3c9a8a3a..000000000 --- a/LUFA/Common/FunctionAttributes.h +++ /dev/null @@ -1,125 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2010. - - dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com -*/ - -/* - Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, distribute, and sell this - software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in - all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the - software without specific, written prior permission. - - The author disclaim all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -/** \file - * \brief AVR-GCC special function attribute macros. - * - * This file contains macros for applying GCC specific attributes to functions to control various optimizer - * and code generation features of the compiler. Attributes may be placed in the function prototype in any - * order, and multiple attributes can be specified for a single function via a space separated list. - * - * On incompatible versions of GCC or on other compilers, these macros evaluate to nothing unless they are - * critical to the code's function and thus must throw a compiler error when used. - * - * \note Do not include this file directly, rather include the Common.h header file instead to gain this file's - * functionality. - */ - -/** \ingroup Group_Common - * @defgroup Group_FuncAttr Function Attributes - * - * Macros for easy access GCC function attributes, which can be applied to function prototypes. - * - * @{ - */ - -#ifndef __FUNCATTR_H__ -#define __FUNCATTR_H__ - - /* Preprocessor Checks: */ - #if !defined(__COMMON_H__) - #error Do not include this file directly. Include LUFA/Common/Common.h instead to gain this functionality. - #endif - - /* Public Interface - May be used in end-application: */ - /* Macros: */ - #if (__GNUC__ >= 3) || defined(__DOXYGEN__) - /** Indicates to the compiler that the function can not ever return, so that any stack restoring or - * return code may be omitted by the compiler in the resulting binary. - */ - #define ATTR_NO_RETURN __attribute__ ((noreturn)) - - /** Indicates that the function returns a value which should not be ignored by the user code. When - * applied, any ignored return value from calling the function will produce a compiler warning. - */ - #define ATTR_WARN_UNUSED_RESULT __attribute__ ((warn_unused_result)) - - /** Indicates that the specified parameters of the function are pointers which should never be NULL. - * When applied as a 1-based comma separated list the compiler will emit a warning if the specified - * parameters are known at compiler time to be NULL at the point of calling the function. - */ - #define ATTR_NON_NULL_PTR_ARG(...) __attribute__ ((nonnull (__VA_ARGS__))) - - /** Removes any preamble or postamble from the function. When used, the function will not have any - * register or stack saving code. This should be used with caution, and when used the programmer - * is responsible for maintaining stack and register integrity. - */ - #define ATTR_NAKED __attribute__ ((naked)) - - /** Prevents the compiler from considering a specified function for inlining. When applied, the given - * function will not be inlined under any circumstances. - */ - #define ATTR_NO_INLINE __attribute__ ((noinline)) - - /** Forces the compiler to inline the specified function. When applied, the given function will be - * inlined under all circumstances. - */ - #define ATTR_ALWAYS_INLINE __attribute__ ((always_inline)) - - /** Indicates that the specified function is pure, in that it has no side-effects other than global - * or parameter variable access. - */ - #define ATTR_PURE __attribute__ ((pure)) - - /** Indicates that the specified function is constant, in that it has no side effects other than - * parameter access. - */ - #define ATTR_CONST __attribute__ ((const)) - - /** Marks a given function as deprecated, which produces a warning if the function is called. */ - #define ATTR_DEPRECATED __attribute__ ((deprecated)) - - /** Marks a function as a weak reference, which can be overridden by other functions with an - * identical name (in which case the weak reference is discarded at link time). - */ - #define ATTR_WEAK __attribute__ ((weak)) - #endif - - /** Places the function in one of the initialization sections, which execute before the main function - * of the application. The init function number can be specified as "x", as an integer. Refer to the - * avr-libc manual for more information on the initialization sections. - */ - #define ATTR_INIT_SECTION(x) __attribute__ ((naked, section (".init" #x ))) - - /** Marks a function as an alias for another function of name "x". */ - #define ATTR_ALIAS(x) __attribute__ ((alias( #x ))) -#endif - -/** @} */