/** * \file * * \brief Assembler abstraction layer and utilities * * Copyright (c) 2009 Atmel Corporation. All rights reserved. * * \asf_license_start * * \page License * * 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. * * 3. The name of Atmel may not be used to endorse or promote products derived * from this software without specific prior written permission. * * 4. This software may only be redistributed and used in connection with an * Atmel microcontroller product. * * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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. * * \asf_license_stop * */ #ifndef ASSEMBLER_H_INCLUDED #define ASSEMBLER_H_INCLUDED #if !defined(__ASSEMBLER__) && !defined(__IAR_SYSTEMS_ASM__) \ && !defined(__DOXYGEN__) # error This file may only be included from assembly files #endif #if defined(__ASSEMBLER__) # include "assembler/gas.h" # include #elif defined(__IAR_SYSTEMS_ASM__) # include "assembler/iar.h" # include #endif /** * \ingroup group_xmega_utils * \defgroup assembler_group Assembler Support * * This group provides a good handful of macros intended to smooth out * the differences between various assemblers, similar to what compiler.h does * for compilers, except that assemblers tend to be much less standardized than * compilers. * * @{ */ //! \name Control Statements //@{ /** * \def REPEAT(count) * \brief Repeat the following statements \a count times */ /** * \def END_REPEAT() * \brief Mark the end of the statements to be repeated */ /** * \def SET_LOC(offset) * \brief Set the location counter to \a offset */ /** * \def END_FILE() * \brief Mark the end of the file */ //@} //! \name Data Objects //@{ /** * \def FILL_BYTES(count) * \brief Allocate space for \a count bytes */ //@} //! \name Symbol Definition //@{ /** * \def L(name) * \brief Turn \a name into a local symbol, if possible */ /** * \def EXTERN_SYMBOL(name) * \brief Declare \a name as an external symbol referenced by this file */ /** * \def FUNCTION(name) * \brief Define a file-local function called \a name */ /** * \def PUBLIC_FUNCTION(name) * \brief Define a globally visible function called \a name */ /** * \def WEAK_FUNCTION(name) * \brief Define a weak function called \a name * * Weak functions are only referenced if no strong definitions are found */ /** * \def WEAK_FUNCTION_ALIAS(name, strong_name) * \brief Define \a name as a weak alias for the function \a strong_name * \sa WEAK_FUNCTION */ /** * \def END_FUNC(name) * \brief Mark the end of the function called \a name */ //@} //! \name Section Definition //@{ /** * \def TEXT_SECTION(name) * \brief Start a new section containing executable code */ /** * \def RODATA_SECTION(name) * \brief Start a new section containing read-only data */ /** * \def DATA_SECTION(name) * \brief Start a new section containing writeable initialized data */ /** * \def BSS_SECTION(name) * \brief Start a new section containing writeable zero-initialized data */ //@} //! @} #endif /* ASSEMBLER_H_INCLUDED */