arch/riscv/kernel/vdso/vdso.S

File Facts

System

Linux kernel

Corpus path

arch/riscv/kernel/vdso/vdso.S

Extension

.S

Size

413 bytes

Lines

24

Domain

Architecture Layer

Bucket

arch/riscv

Inferred role

Architecture Layer: arch/riscv

Status

atlas-only

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.

Dependency Surface

• linux/init.h
• linux/linkage.h
• asm/page.h

Detected Declarations

• No top-level syscall, struct, function, initcall, or export declaration detected by the generator.

Annotated Snippet

#include <linux/init.h>
#include <linux/linkage.h>
#include <asm/page.h>

#ifndef __VDSO_PATH
#define __VDSO_PATH "arch/riscv/kernel/vdso/vdso.so"
#endif

	__PAGE_ALIGNED_DATA

	.globl vdso_start, vdso_end
	.balign PAGE_SIZE
vdso_start:
	.incbin __VDSO_PATH
	.balign PAGE_SIZE
vdso_end:

	.previous

Annotation

• Immediate include surface: `linux/init.h`, `linux/linkage.h`, `asm/page.h`.
• Atlas domain: Architecture Layer / arch/riscv.
• Implementation status: atlas-only.

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.