linux/init/version.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 *  linux/init/version.c
 *
 *  Copyright (C) 1992  Theodore Ts'o
 *
 *  May be freely distributed as part of Linux.
 */

#include <generated/compile.h>
#include <linux/build-salt.h>
#include <linux/elfnote-lto.h>
#include <linux/export.h>
#include <linux/init.h>
#include <linux/printk.h>
#include <linux/uts.h>
#include <linux/utsname.h>
#include <linux/proc_ns.h>

static int __init early_hostname(char *arg)
{ … }
early_param(…);

const char linux_proc_banner[] = …;

BUILD_SALT;
BUILD_LTO_INFO;

/*
 * init_uts_ns and linux_banner contain the build version and timestamp,
 * which are really fixed at the very last step of build process.
 * They are compiled with __weak first, and without __weak later.
 */

struct uts_namespace init_uts_ns __weak;
const char linux_banner[] __weak;

#include "version-timestamp.c"

EXPORT_SYMBOL_GPL(…);