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| author | Kacper <kacper@mail.openlinux.dev> | 2025-12-07 20:10:31 +0100 |
|---|---|---|
| committer | Kacper <kacper@mail.openlinux.dev> | 2025-12-07 20:10:31 +0100 |
| commit | fc00c656c96528112d05cf0edf8631bd5eaea446 (patch) | |
| tree | a6e0e6c588191a8bd1c64afc3b7a258e3e66c236 /include/arch/x86_64/asm-generic/swab.h | |
Add build system scaffolding and libc headers
Diffstat (limited to 'include/arch/x86_64/asm-generic/swab.h')
| -rw-r--r-- | include/arch/x86_64/asm-generic/swab.h | 19 |
1 files changed, 19 insertions, 0 deletions
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 <asm/bitsperlong.h> + +/* + * 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 */ |