linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * Handling of different ABIs (personalities).

 *

 * We group personalities into execution domains which have their

 * own handlers for kernel entry points, signal mapping, etc...

 *

 * 2001-05-06   Complete rewrite,  Christoph Hellwig (hch@infradead.org)

 */

​

#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/kmod.h>

#include <linux/module.h>

#include <linux/personality.h>

#include <linux/proc_fs.h>

#include <linux/sched.h>

#include <linux/seq_file.h>

#include <linux/syscalls.h>

#include <linux/sysctl.h>

#include <linux/types.h>

​

#ifdef CONFIG_PROC_FS

static int execdomains_proc_show(struct seq_file *m, void *v)

{

    seq_puts(m, "0-0\tLinux           \t[kernel]\n");

    return 0;

}

​

static int __init proc_execdomains_init(void)

{

    proc_create_single("execdomains", 0, NULL, execdomains_proc_show);

    return 0;

}

module_init(proc_execdomains_init);

#endif

​

SYSCALL_DEFINE1(personality, unsigned int, personality)

{

    unsigned int old = current->personality;

​

    if (personality != 0xffffffff)

        set_personality(personality);

​

    return old;

}