59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/*
|
|
* 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>
|
|
#include <linux/fs_struct.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 execdomains_proc_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, execdomains_proc_show, NULL);
|
|
}
|
|
|
|
static const struct file_operations execdomains_proc_fops = {
|
|
.open = execdomains_proc_open,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
};
|
|
|
|
static int __init proc_execdomains_init(void)
|
|
{
|
|
proc_create("execdomains", 0, NULL, &execdomains_proc_fops);
|
|
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;
|
|
}
|