tools/perf/trace/beauty/arch/x86/include/uapi/asm/prctl.h

File Facts

System

Linux kernel

Corpus path

tools/perf/trace/beauty/arch/x86/include/uapi/asm/prctl.h

Extension

.h

Size

1170 bytes

Lines

44

Domain

Support Tooling And Documentation

Bucket

tools

Inferred role

Support Tooling And Documentation: implementation source

Status

source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

• Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

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_X86_PRCTL_H
#define _ASM_X86_PRCTL_H

#define ARCH_SET_GS			0x1001
#define ARCH_SET_FS			0x1002
#define ARCH_GET_FS			0x1003
#define ARCH_GET_GS			0x1004

#define ARCH_GET_CPUID			0x1011
#define ARCH_SET_CPUID			0x1012

#define ARCH_GET_XCOMP_SUPP		0x1021
#define ARCH_GET_XCOMP_PERM		0x1022
#define ARCH_REQ_XCOMP_PERM		0x1023
#define ARCH_GET_XCOMP_GUEST_PERM	0x1024
#define ARCH_REQ_XCOMP_GUEST_PERM	0x1025

#define ARCH_XCOMP_TILECFG		17
#define ARCH_XCOMP_TILEDATA		18

#define ARCH_MAP_VDSO_X32		0x2001
#define ARCH_MAP_VDSO_32		0x2002
#define ARCH_MAP_VDSO_64		0x2003

/* Don't use 0x3001-0x3004 because of old glibcs */

#define ARCH_GET_UNTAG_MASK		0x4001
#define ARCH_ENABLE_TAGGED_ADDR		0x4002
#define ARCH_GET_MAX_TAG_BITS		0x4003
#define ARCH_FORCE_TAGGED_SVA		0x4004

#define ARCH_SHSTK_ENABLE		0x5001
#define ARCH_SHSTK_DISABLE		0x5002
#define ARCH_SHSTK_LOCK			0x5003
#define ARCH_SHSTK_UNLOCK		0x5004
#define ARCH_SHSTK_STATUS		0x5005

/* ARCH_SHSTK_ features bits */
#define ARCH_SHSTK_SHSTK		(1ULL <<  0)
#define ARCH_SHSTK_WRSS			(1ULL <<  1)

#endif /* _ASM_X86_PRCTL_H */

Annotation

• Atlas domain: Support Tooling And Documentation / tools.
• 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.