blob: 8deb6003ee626afb44c14f785c25eea3b239c9f2 [file] [log] [blame]
* Copyright (C) 2004-2006 Atmel Corporation
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/file.h>
#include <linux/mm.h>
#include <linux/unistd.h>
#include <asm/mman.h>
#include <asm/uaccess.h>
asmlinkage int sys_pipe(unsigned long __user *filedes)
int fd[2];
int error;
error = do_pipe(fd);
if (!error) {
if (copy_to_user(filedes, fd, sizeof(fd)))
error = -EFAULT;
return error;
asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, off_t offset)
int error = -EBADF;
struct file *file = NULL;
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
if (!file)
return error;
error = do_mmap_pgoff(file, addr, len, prot, flags, offset);
if (file)
return error;
int kernel_execve(const char *file, char **argv, char **envp)
register long scno asm("r8") = __NR_execve;
register long sc1 asm("r12") = (long)file;
register long sc2 asm("r11") = (long)argv;
register long sc3 asm("r10") = (long)envp;
asm volatile("scall"
: "=r"(sc1)
: "r"(scno), "0"(sc1), "r"(sc2), "r"(sc3)
: "cc", "memory");
return sc1;