2983f6edb1
Split mesh_util.h into mesh_byteorder.h, mesh_compiler.h, mesh_ffs.h and mesh_util.h based on the classification of Zephyr, which will make further porting more clear.
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/*
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* Copyright (c) 2010-2014,2017 Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef _BLE_MESH_COMPILER_H_
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#define _BLE_MESH_COMPILER_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define ___in_section(a, b, c)
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#define __in_section(a, b, c) ___in_section(a, b, c)
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#define __in_section_unique(seg) ___in_section(seg, __FILE__, __COUNTER__)
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#ifndef __packed
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#define __packed __attribute__((__packed__))
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#endif
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#ifndef __aligned
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#define __aligned(x) __attribute__((__aligned__(x)))
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#endif
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#ifndef __used
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#define __used __attribute__((__used__))
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#endif
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#ifndef ARG_UNUSED
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#define ARG_UNUSED(x) (void)(x)
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#endif
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#ifndef popcount
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#define popcount(x) __builtin_popcount(x)
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#endif
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#ifndef ALWAYS_INLINE
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#define ALWAYS_INLINE inline __attribute__((always_inline))
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#endif
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/*
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* This is meant to be used in conjunction with __in_section() and similar
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* where scattered structure instances are concatened together by the linker
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* and walked by the code at run time just like a contiguous array of such
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* structures.
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*
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* Assemblers and linkers may insert alignment padding by default whose
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* size is larger than the natural alignment for those structures when
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* gathering various section segments together, messing up the array walk.
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* To prevent this, we need to provide an explicit alignment not to rely
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* on the default that might just work by luck.
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*
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* Alignment statements in linker scripts are not sufficient as
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* the assembler may add padding by itself to each segment when switching
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* between sections within the same file even if it merges many such segments
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* into a single section in the end.
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*/
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#ifndef Z_DECL_ALIGN
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#define Z_DECL_ALIGN(type) __aligned(__alignof(type)) type
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#endif
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/*
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* Convenience helper combining __in_section() and Z_DECL_ALIGN().
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* The section name is the struct type prepended with an underscore.
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* The subsection is "static" and the subsubsection is the variable name.
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*/
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#ifndef Z_STRUCT_SECTION_ITERABLE
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#define Z_STRUCT_SECTION_ITERABLE(struct_type, name) \
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Z_DECL_ALIGN(struct struct_type) name
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _BLE_MESH_COMPILER_H_ */
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