]>
git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - arch/um/kernel/exec.c
2 * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
6 #include "linux/slab.h"
7 #include "linux/smp_lock.h"
8 #include "linux/ptrace.h"
10 #include "asm/ptrace.h"
11 #include "asm/pgtable.h"
12 #include "asm/tlbflush.h"
13 #include "asm/uaccess.h"
14 #include "kern_util.h"
15 #include "as-layout.h"
21 #include "choose-mode.h"
22 #include "mode_kern.h"
24 void flush_thread(void)
26 arch_flush_thread(¤t
->thread
.arch
);
27 CHOOSE_MODE(flush_thread_tt(), flush_thread_skas());
30 void start_thread(struct pt_regs
*regs
, unsigned long eip
, unsigned long esp
)
32 CHOOSE_MODE_PROC(start_thread_tt
, start_thread_skas
, regs
, eip
, esp
);
36 extern void log_exec(char **argv
, void *tty
);
39 static long execve1(char *file
, char __user
* __user
*argv
,
40 char __user
*__user
*env
)
44 struct tty_struct
*tty
;
46 mutex_lock(&tty_mutex
);
47 tty
= get_current_tty();
50 mutex_unlock(&tty_mutex
);
52 error
= do_execve(file
, argv
, env
, ¤t
->thread
.regs
);
55 current
->ptrace
&= ~PT_DTRACE
;
56 #ifdef SUBARCH_EXECVE1
57 SUBARCH_EXECVE1(¤t
->thread
.regs
.regs
);
60 set_cmdline(current_cmd());
65 long um_execve(char *file
, char __user
*__user
*argv
, char __user
*__user
*env
)
69 err
= execve1(file
, argv
, env
);
71 do_longjmp(current
->thread
.exec_buf
, 1);
75 long sys_execve(char __user
*file
, char __user
*__user
*argv
,
76 char __user
*__user
*env
)
82 filename
= getname(file
);
83 error
= PTR_ERR(filename
);
84 if (IS_ERR(filename
)) goto out
;
85 error
= execve1(filename
, argv
, env
);