arch/powerpc/kernel/vdso/note.S

Source file repositories/reference/linux-study-clean/arch/powerpc/kernel/vdso/note.S

File Facts

System
Linux kernel
Corpus path
arch/powerpc/kernel/vdso/note.S
Extension
.S
Size
781 bytes
Lines
29
Domain
Architecture Layer
Bucket
arch/powerpc
Inferred role
Architecture Layer: arch/powerpc
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.

Dependency Surface

Detected Declarations

Annotated Snippet

#include <linux/uts.h>
#include <linux/version.h>
#include <linux/build-salt.h>

#define ASM_ELF_NOTE_BEGIN(name, flags, vendor, type)			      \
	.section name, flags;						      \
	.balign 4;							      \
	.long 1f - 0f;		/* name length */			      \
	.long 3f - 2f;		/* data length */			      \
	.long type;		/* note type */				      \
0:	.asciz vendor;		/* vendor name */			      \
1:	.balign 4;							      \
2:

#define ASM_ELF_NOTE_END						      \
3:	.balign 4;		/* pad out section */			      \
	.previous

	ASM_ELF_NOTE_BEGIN(".note.kernel-version", "a", UTS_SYSNAME, 0)
	.long LINUX_VERSION_CODE
	ASM_ELF_NOTE_END

BUILD_SALT

Annotation

Implementation Notes