arch/x86/include/asm/unistd.h

Source file repositories/reference/linux-study-clean/arch/x86/include/asm/unistd.h

File Facts

System
Linux kernel
Corpus path
arch/x86/include/asm/unistd.h
Extension
.h
Size
1632 bytes
Lines
61
Domain
Architecture Layer
Bucket
arch/x86
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _ASM_X86_UNISTD_H
#define _ASM_X86_UNISTD_H 1

#include <uapi/asm/unistd.h>


# ifdef CONFIG_X86_32

#  include <asm/unistd_32.h>
#  define __ARCH_WANT_STAT64
#  define __ARCH_WANT_SYS_IPC
#  define __ARCH_WANT_SYS_OLD_MMAP
#  define __ARCH_WANT_SYS_OLD_SELECT

#  define IA32_NR_syscalls (__NR_syscalls)

# else

#  include <asm/unistd_64.h>
#  include <asm/unistd_64_x32.h>
#  include <asm/unistd_32_ia32.h>
#  define __ARCH_WANT_SYS_TIME
#  define __ARCH_WANT_SYS_UTIME
#  define __ARCH_WANT_COMPAT_STAT
#  define __ARCH_WANT_COMPAT_SYS_PREADV64
#  define __ARCH_WANT_COMPAT_SYS_PWRITEV64
#  define __ARCH_WANT_COMPAT_SYS_PREADV64V2
#  define __ARCH_WANT_COMPAT_SYS_PWRITEV64V2
#  define X32_NR_syscalls (__NR_x32_syscalls)
#  define IA32_NR_syscalls (__NR_ia32_syscalls)

# endif

# define NR_syscalls (__NR_syscalls)

# define __ARCH_WANT_NEW_STAT
# define __ARCH_WANT_OLD_READDIR
# define __ARCH_WANT_OLD_STAT
# define __ARCH_WANT_SYS_ALARM
# define __ARCH_WANT_SYS_FADVISE64
# define __ARCH_WANT_SYS_GETHOSTNAME
# define __ARCH_WANT_SYS_GETPGRP
# define __ARCH_WANT_SYS_NICE
# define __ARCH_WANT_SYS_OLDUMOUNT
# define __ARCH_WANT_SYS_OLD_GETRLIMIT
# define __ARCH_WANT_SYS_OLD_UNAME
# define __ARCH_WANT_SYS_PAUSE
# define __ARCH_WANT_SYS_SIGNAL
# define __ARCH_WANT_SYS_SIGPENDING
# define __ARCH_WANT_SYS_SIGPROCMASK
# define __ARCH_WANT_SYS_SOCKETCALL
# define __ARCH_WANT_SYS_TIME32
# define __ARCH_WANT_SYS_UTIME32
# define __ARCH_WANT_SYS_WAITPID
# define __ARCH_WANT_SYS_FORK
# define __ARCH_WANT_SYS_VFORK
# define __ARCH_WANT_SYS_CLONE

#endif /* _ASM_X86_UNISTD_H */

Annotation

Implementation Notes