From fc00c656c96528112d05cf0edf8631bd5eaea446 Mon Sep 17 00:00:00 2001 From: Kacper Date: Sun, 7 Dec 2025 20:10:31 +0100 Subject: Add build system scaffolding and libc headers --- include/arch/x86_64/asm-generic/swab.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 include/arch/x86_64/asm-generic/swab.h (limited to 'include/arch/x86_64/asm-generic/swab.h') diff --git a/include/arch/x86_64/asm-generic/swab.h b/include/arch/x86_64/asm-generic/swab.h new file mode 100644 index 00000000..f2da4e4f --- /dev/null +++ b/include/arch/x86_64/asm-generic/swab.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ASM_GENERIC_SWAB_H +#define _ASM_GENERIC_SWAB_H + +#include + +/* + * 32 bit architectures typically (but not always) want to + * set __SWAB_64_THRU_32__. In user space, this is only + * valid if the compiler supports 64 bit data types. + */ + +#if __BITS_PER_LONG == 32 +#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) +#define __SWAB_64_THRU_32__ +#endif +#endif + +#endif /* _ASM_GENERIC_SWAB_H */ -- cgit v1.2.3