/* Special .init and .fini section support.
Copyright (C) 1997-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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modify it under the terms of the GNU Lesser General Public
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/* Define an ELF note identifying the operating-system ABI that the
executable was created for. The ELF note information identifies a
particular OS or coordinated development effort within which the
ELF header's e_machine value plus (for dynamically linked programs)
the PT_INTERP dynamic linker name and DT_NEEDED shared library
names fully identify the runtime environment required by an
The general format of ELF notes is as follows.
Offsets and lengths are bytes or (parenthetical references) to the
values in other fields.
offset length contents
0 4 length of name
4 4 length of data
8 4 note type
12 (0) vendor name
- null-terminated ASCII string, padded to 4-byte alignment
12+(0) (4) note data,
The GNU project and cooperating development efforts (including the
Linux community) use note type 1 and a vendor name string of "GNU"
for a note descriptor that indicates ABI requirements. The note data
is four 32-bit words. The first of these is an operating system
number (0=Linux, 1=Hurd, 2=Solaris, ...) and the remaining three
identify the earliest release of that OS that supports this ABI.
See abi-tags (top level) for details. */
#include <abi-tag.h> /* OS-specific ABI tag value */
/* The linker (GNU ld 2.8 and later) recognizes an allocated section whose
name begins with `.note' and creates a PT_NOTE program header entry
pointing at it. */
.section ".note.ABI-tag", "a"
.long 1f - 0f /* name length */
.long 3f - 2f /* data length */
.long 1 /* note type */
0: .asciz "GNU" /* vendor name */
1: .p2align 2
2: .long __ABI_TAG_OS /* note data: the ABI tag */
3: .p2align 2 /* pad out section */