2 * Copyright (C) 2004-2006 Atmel Corporation
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
8 #include <linux/errno.h>
10 #include <linux/file.h>
12 #include <linux/unistd.h>
15 #include <asm/uaccess.h>
16 #include <asm/syscalls.h>
18 asmlinkage
long sys_mmap2(unsigned long addr
, unsigned long len
,
19 unsigned long prot
, unsigned long flags
,
20 unsigned long fd
, off_t offset
)
23 struct file
*file
= NULL
;
25 flags
&= ~(MAP_EXECUTABLE
| MAP_DENYWRITE
);
26 if (!(flags
& MAP_ANONYMOUS
)) {
32 down_write(¤t
->mm
->mmap_sem
);
33 error
= do_mmap_pgoff(file
, addr
, len
, prot
, flags
, offset
);
34 up_write(¤t
->mm
->mmap_sem
);
41 int kernel_execve(const char *file
, char **argv
, char **envp
)
43 register long scno
asm("r8") = __NR_execve
;
44 register long sc1
asm("r12") = (long)file
;
45 register long sc2
asm("r11") = (long)argv
;
46 register long sc3
asm("r10") = (long)envp
;
50 : "r"(scno
), "0"(sc1
), "r"(sc2
), "r"(sc3
)
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