60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Handling of different ABIs (personalities).
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*
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* We group personalities into execution domains which have their
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* own handlers for kernel entry points, signal mapping, etc...
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*
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* 2001-05-06 Complete rewrite, Christoph Hellwig (hch@infradead.org)
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/kmod.h>
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#include <linux/module.h>
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#include <linux/personality.h>
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#include <linux/proc_fs.h>
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#include <linux/sched.h>
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#include <linux/seq_file.h>
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#include <linux/syscalls.h>
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#include <linux/sysctl.h>
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#include <linux/types.h>
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#include <linux/fs_struct.h>
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#ifdef CONFIG_PROC_FS
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static int execdomains_proc_show(struct seq_file *m, void *v)
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{
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seq_puts(m, "0-0\tLinux \t[kernel]\n");
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return 0;
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}
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static int execdomains_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, execdomains_proc_show, NULL);
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}
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static const struct file_operations execdomains_proc_fops = {
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.open = execdomains_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int __init proc_execdomains_init(void)
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{
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proc_create("execdomains", 0, NULL, &execdomains_proc_fops);
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return 0;
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}
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module_init(proc_execdomains_init);
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#endif
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SYSCALL_DEFINE1(personality, unsigned int, personality)
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{
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unsigned int old = current->personality;
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if (personality != 0xffffffff)
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set_personality(personality);
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return old;
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}
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