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Diffstat (limited to 'tools/include/nolibc/sys/syscall.h')
| -rw-r--r-- | tools/include/nolibc/sys/syscall.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/include/nolibc/sys/syscall.h b/tools/include/nolibc/sys/syscall.h new file mode 100644 index 000000000000..7f06314fcf0d --- /dev/null +++ b/tools/include/nolibc/sys/syscall.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: LGPL-2.1 OR MIT */ +/* + * syscall() definition for NOLIBC + * Copyright (C) 2024 Thomas Weißschuh <linux@weissschuh.net> + */ + +/* make sure to include all global symbols */ +#include "../nolibc.h" + +#ifndef _NOLIBC_SYS_SYSCALL_H +#define _NOLIBC_SYS_SYSCALL_H + +#define ___nolibc_syscall_narg(_0, _1, _2, _3, _4, _5, _6, N, ...) N +#define __nolibc_syscall_narg(...) ___nolibc_syscall_narg(__VA_ARGS__, 6, 5, 4, 3, 2, 1, 0) +#define __nolibc_syscall(N, ...) __nolibc_syscall##N(__VA_ARGS__) +#define __nolibc_syscall_n(N, ...) __nolibc_syscall(N, __VA_ARGS__) +#define _syscall(...) __nolibc_syscall_n(__nolibc_syscall_narg(__VA_ARGS__), ##__VA_ARGS__) +#define syscall(...) __sysret(_syscall(__VA_ARGS__)) + +#endif /* _NOLIBC_SYS_SYSCALL_H */ |