1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * This supplies .note.* sections to go into the PT_NOTE inside the vDSO text.
4 * Here we can supply some information useful to userland.
5 */
6
7 #include <linux/uts.h>
8 #include <linux/version.h>
9
10 #define ASM_ELF_NOTE_BEGIN(name, flags, vendor, type) \
11 .section name, flags; \
12 .balign 4; \
13 .long 1f - 0f; /* name length */ \
14 .long 3f - 2f; /* data length */ \
15 .long type; /* note type */ \
16 0: .asciz vendor; /* vendor name */ \
17 1: .balign 4; \
18 2:
19
20 #define ASM_ELF_NOTE_END \
21 3: .balign 4; /* pad out section */ \
22 .previous
23
24 ASM_ELF_NOTE_BEGIN(".note.kernel-version", "a", UTS_SYSNAME, 0)
25 .long LINUX_VERSION_CODE
26 ASM_ELF_NOTE_END