diff options
| 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/unistd.h | |
Add build system scaffolding and libc headers
Diffstat (limited to 'include/arch/x86_64/asm/unistd.h')
| -rw-r--r-- | include/arch/x86_64/asm/unistd.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/arch/x86_64/asm/unistd.h b/include/arch/x86_64/asm/unistd.h new file mode 100644 index 00000000..de56ec6a --- /dev/null +++ b/include/arch/x86_64/asm/unistd.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _ASM_X86_UNISTD_H +#define _ASM_X86_UNISTD_H + +/* + * x32 syscall flag bit. Some user programs expect syscall NR macros + * and __X32_SYSCALL_BIT to have type int, even though syscall numbers + * are, for practical purposes, unsigned long. + * + * Fortunately, expressions like (nr & ~__X32_SYSCALL_BIT) do the right + * thing regardless. + */ +#define __X32_SYSCALL_BIT 0x40000000 + +#ifdef __i386__ +#include <asm/unistd_32.h> +#elif defined(__ILP32__) +#include <asm/unistd_x32.h> +#else +#include <asm/unistd_64.h> +#endif + +#endif /* _ASM_X86_UNISTD_H */ |