47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
|
// 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;
|
||
|
|
}
|