151 lines
3.8 KiB
C
151 lines
3.8 KiB
C
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/*****************************************************************************
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* @file compiler.h
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* @author MDG
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* @brief This file contains the definitions which are compiler dependent.
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*****************************************************************************
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* @attention
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*
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* Copyright (c) 2018-2022 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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*****************************************************************************
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*/
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#ifndef COMPILER_H__
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#define COMPILER_H__
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/**
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* @brief This is the section dedicated to IAR toolchain
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*/
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#if defined(__ICCARM__) || defined(__IAR_SYSTEMS_ASM__)
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#ifndef __WEAK
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#define __WEAK __weak
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#endif
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#define QUOTE_(a) #a
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/**
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* @brief PACKED
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* Use the PACKED macro for variables that needs to be packed.
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* Usage: PACKED(struct) myStruct_s
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* PACKED(union) myStruct_s
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*/
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#define PACKED(decl) __packed decl
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/**
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* @brief SECTION
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* Use the SECTION macro to assign data or code in a specific section.
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* Usage: SECTION(".my_section")
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*/
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#define SECTION(name) _Pragma(QUOTE_(location = name))
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/**
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* @brief ALIGN_DEF
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* Use the ALIGN_DEF macro to specify the alignment of a variable.
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* Usage: ALIGN_DEF(4)
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*/
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#define ALIGN_DEF(v) _Pragma(QUOTE_(data_alignment = v))
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/**
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* @brief NO_INIT
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* Use the NO_INIT macro to declare a not initialized variable.
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* Usage: NO_INIT(int my_no_init_var)
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* Usage: NO_INIT(uint16_t my_no_init_array[10])
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*/
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#define NO_INIT(var) __no_init var
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/**
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* @brief This is the section dedicated to GNU toolchain
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*/
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#else
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#ifdef __GNUC__
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#ifndef __WEAK
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#define __WEAK __attribute__((weak))
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#endif
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/**
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* @brief PACKED
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* Use the PACKED macro for variables that needs to be packed.
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* Usage: PACKED(struct) myStruct_s
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* PACKED(union) myStruct_s
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*/
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#define PACKED(decl) decl __attribute__((packed))
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/**
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* @brief SECTION
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* Use the SECTION macro to assign data or code in a specific section.
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* Usage: SECTION(".my_section")
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*/
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#define SECTION(name) __attribute__((section(name)))
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/**
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* @brief ALIGN_DEF
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* Use the ALIGN_DEF macro to specify the alignment of a variable.
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* Usage: ALIGN_DEF(4)
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*/
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#define ALIGN_DEF(N) __attribute__((aligned(N)))
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/**
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* @brief NO_INIT
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* Use the NO_INIT macro to declare a not initialized variable.
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* Usage: NO_INIT(int my_no_init_var)
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* Usage: NO_INIT(uint16_t my_no_init_array[10])
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*/
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#define NO_INIT(var) var __attribute__((section(".noinit")))
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/**
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* @brief This is the section dedicated to Keil toolchain
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*/
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#else
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#ifdef __CC_ARM
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#ifndef __WEAK
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#define __WEAK __weak
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#endif
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/**
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* @brief PACKED
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* Use the PACKED macro for variables that needs to be packed.
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* Usage: PACKED(struct) myStruct_s
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* PACKED(union) myStruct_s
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*/
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#define PACKED(decl) decl __attribute__((packed))
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/**
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* @brief SECTION
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* Use the SECTION macro to assign data or code in a specific section.
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* Usage: SECTION(".my_section")
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*/
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#define SECTION(name) __attribute__((section(name)))
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/**
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* @brief ALIGN_DEF
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* Use the ALIGN_DEF macro to specify the alignment of a variable.
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* Usage: ALIGN_DEF(4)
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*/
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#define ALIGN_DEF(N) __attribute__((aligned(N)))
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/**
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* @brief NO_INIT
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* Use the NO_INIT macro to declare a not initialized variable.
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* Usage: NO_INIT(int my_no_init_var)
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* Usage: NO_INIT(uint16_t my_no_init_array[10])
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*/
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#define NO_INIT(var) var __attribute__((section("NoInit")))
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#else
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#error Neither ICCARM, CC ARM nor GNUC C detected. Define your macros.
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#endif
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#endif
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#endif
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#endif /* COMPILER_H__ */
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