arch/sh/include/asm/syscalls_32.h

File Facts

System

Linux kernel

Corpus path

arch/sh/include/asm/syscalls_32.h

Extension

.h

Size

979 bytes

Lines

28

Domain

Architecture Layer

Bucket

arch/sh

Inferred role

Architecture Layer: syscall or user/kernel boundary

Status

core 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.

• CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.
• Defines or participates in a user/kernel boundary; inspect argument validation, copy_from_user/copy_to_user, credentials, and dispatch target.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/compiler.h
• linux/linkage.h
• linux/types.h

Detected Declarations

• struct pt_regs

Annotated Snippet

#ifndef __ASM_SH_SYSCALLS_32_H
#define __ASM_SH_SYSCALLS_32_H

#include <linux/compiler.h>
#include <linux/linkage.h>
#include <linux/types.h>

struct pt_regs;

asmlinkage int sys_sigreturn(void);
asmlinkage int sys_rt_sigreturn(void);
asmlinkage int sys_sh_pipe(void);
asmlinkage ssize_t sys_pread_wrapper(unsigned int fd, char __user *buf,
				     size_t count, long dummy, loff_t pos);
asmlinkage ssize_t sys_pwrite_wrapper(unsigned int fd, const char __user *buf,
				      size_t count, long dummy, loff_t pos);
asmlinkage int sys_fadvise64_64_wrapper(int fd, u32 offset0, u32 offset1,
					u32 len0, u32 len1, int advice);

/* Misc syscall related bits */
asmlinkage long do_syscall_trace_enter(struct pt_regs *regs);
asmlinkage void do_syscall_trace_leave(struct pt_regs *regs);
asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned int save_r0,
				 unsigned long thread_info_flags);

#endif /* __ASM_SH_SYSCALLS_32_H */

Annotation

• Immediate include surface: `linux/compiler.h`, `linux/linkage.h`, `linux/types.h`.
• Detected declarations: `struct pt_regs`.
• Atlas domain: Architecture Layer / arch/sh.
• Implementation status: core implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.