arch/powerpc/include/asm/code-patching-asm.h

File Facts

System

Linux kernel

Corpus path

arch/powerpc/include/asm/code-patching-asm.h

Extension

.h

Size

397 bytes

Lines

19

Domain

Architecture Layer

Bucket

arch/powerpc

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.

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

Dependency Surface

• No C-style include directives detected by the generator.

Detected Declarations

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

Annotated Snippet

#ifndef _ASM_POWERPC_CODE_PATCHING_ASM_H
#define _ASM_POWERPC_CODE_PATCHING_ASM_H

/* Define a "site" that can be patched */
.macro patch_site label name
	.pushsection ".rodata"
	.balign 4
	.global \name
\name:
	.4byte	\label - .
	.popsection
.endm

#endif /* _ASM_POWERPC_CODE_PATCHING_ASM_H */

Annotation

• Atlas domain: Architecture Layer / arch/powerpc.
• Implementation status: source 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.