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https://github.com/zephyrproject-rtos/zephyr
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4a470114fa
Consistently place C++ use of extern "C" after all include directives, within the negative branch of _ASMLANGUAGE if used. Remove extern "C" support from files that don't declare objects or functions. In arch/arc/arch.h the extern "C" in the including context is left active during an include to avoid more complex restructuring. Background from issue #17997: Declarations that use C linkage should be placed within extern "C" so the language linkage is correct when the header is included by a C++ compiler. Similarly #include directives should be outside the extern "C" to ensure the language-specific default linkage is applied to any declarations provided by the included header. See: https://en.cppreference.com/w/cpp/language/language_linkage Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
34 lines
592 B
C
34 lines
592 B
C
/* asm_inline_gcc.h - ARC inline assembler and macros for public functions */
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/*
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* Copyright (c) 2015 Intel Corporation.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_ARCH_ARC_V2_ASM_INLINE_GCC_H_
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#define ZEPHYR_INCLUDE_ARCH_ARC_V2_ASM_INLINE_GCC_H_
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#ifndef _ASMLANGUAGE
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#include <zephyr/types.h>
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief read timestamp register (CPU frequency)
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*/
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extern u64_t z_tsc_read(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ASMLANGUAGE */
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#endif /* ZEPHYR_INCLUDE_ARCH_ARC_V2_ASM_INLINE_GCC_H_ */
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