arch/x86/include/asm/seccomp.h

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

File Facts

System
Linux kernel
Corpus path
arch/x86/include/asm/seccomp.h
Extension
.h
Size
1208 bytes
Lines
42
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_SECCOMP_H
#define _ASM_X86_SECCOMP_H

#include <asm/unistd.h>

#ifdef CONFIG_X86_32
#define __NR_seccomp_sigreturn		__NR_sigreturn
#endif

#ifdef CONFIG_COMPAT
#include <asm/unistd_32_ia32.h>
#define __NR_seccomp_read_32		__NR_ia32_read
#define __NR_seccomp_write_32		__NR_ia32_write
#define __NR_seccomp_exit_32		__NR_ia32_exit
#define __NR_seccomp_sigreturn_32	__NR_ia32_sigreturn
#endif

#ifdef CONFIG_X86_64
# define SECCOMP_ARCH_NATIVE		AUDIT_ARCH_X86_64
# define SECCOMP_ARCH_NATIVE_NR		NR_syscalls
# define SECCOMP_ARCH_NATIVE_NAME	"x86_64"
# ifdef CONFIG_COMPAT
#  define SECCOMP_ARCH_COMPAT		AUDIT_ARCH_I386
#  define SECCOMP_ARCH_COMPAT_NR	IA32_NR_syscalls
#  define SECCOMP_ARCH_COMPAT_NAME	"ia32"
# endif
/*
 * x32 will have __X32_SYSCALL_BIT set in syscall number. We don't support
 * caching them and they are treated as out of range syscalls, which will
 * always pass through the BPF filter.
 */
#else /* !CONFIG_X86_64 */
# define SECCOMP_ARCH_NATIVE		AUDIT_ARCH_I386
# define SECCOMP_ARCH_NATIVE_NR	        NR_syscalls
# define SECCOMP_ARCH_NATIVE_NAME	"ia32"
#endif

#include <asm-generic/seccomp.h>

#endif /* _ASM_X86_SECCOMP_H */

Annotation

Implementation Notes