mirror of https://github.com/EspoTek/Labrador.git
125 lines
4.0 KiB
C
125 lines
4.0 KiB
C
/**
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* \file
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*
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* \brief Assembler abstraction layer: GNU Assembler specifics
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*
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* Copyright (c) 2014-2015 Atmel Corporation. All rights reserved.
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*
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* \asf_license_start
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*
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* \page License
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. The name of Atmel may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* 4. This software may only be redistributed and used in connection with an
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* Atmel microcontroller product.
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*
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* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* \asf_license_stop
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*
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*/
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/*
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* Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
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*/
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#ifndef ASSEMBLER_GAS_H_INCLUDED
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#define ASSEMBLER_GAS_H_INCLUDED
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#ifndef __DOXYGEN__
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/* IAR doesn't accept dots in macro names */
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.macro ld_addr, reg, sym
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lda.w \reg, \sym
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.endm
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/* Define a function \a name that is either globally visible or only
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* file-local.
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*/
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.macro gas_begin_func name, is_public
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.if \is_public
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.global \name
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.endif
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.section .text.\name, "ax", @progbits
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.type \name, @function
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\name :
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.endm
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/* Define a function \a name that is either globally visible or only
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* file-local in a given segment.
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*/
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.macro gas_begin_func_segm name, is_public, segment
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.if \is_public
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.global \name
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.endif
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.section .\segment, "ax", @progbits
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.type \name, @function
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\name :
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.endm
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/* Define \a name as a weak alias for the function \a strong_name */
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.macro gas_weak_function_alias name, strong_name
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.global \name
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.weak \name
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.type \name, @function
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.set \name, \strong_name
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.endm
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/* Define a weak function called \a name */
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.macro gas_weak_function name
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.weak \name
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gas_begin_func \name 1
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.endm
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#define REPEAT(count) .rept count
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#define END_REPEAT() .endr
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#define FILL_BYTES(count) .fill count
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#define SET_LOC(offset) .org offset
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#define L(name) .L##name
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#define EXTERN_SYMBOL(name)
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#define TEXT_SECTION(name) \
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.section name, "ax", @progbits
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#define RODATA_SECTION(name) \
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.section name, "a", @progbits
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#define DATA_SECTION(name) \
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.section name, "aw", @progbits
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#define BSS_SECTION(name) \
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.section name, "aw", @nobits
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#define FUNCTION(name) gas_begin_func name 0
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#define PUBLIC_FUNCTION(name) gas_begin_func name 1
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#define PUBLIC_FUNCTION_SEGMENT(name, segment) \
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gas_begin_func_segm name 1 segment
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#define WEAK_FUNCTION(name) gas_weak_function name
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#define WEAK_FUNCTION_ALIAS(name, strong_name) \
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gas_weak_function_alias name strong_name
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#define END_FUNC(name) \
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.size name, . - name
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#define END_FILE()
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#endif /* __DOXYGEN__ */
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#endif /* ASSEMBLER_GAS_H_INCLUDED */
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