mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-15 16:24:13 +08:00
38 lines
1.1 KiB
ArmAsm
38 lines
1.1 KiB
ArmAsm
|
/* MN10300 In-kernel program execution
|
||
|
|
*
|
||
|
|
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
|
||
|
|
* Written by David Howells (dhowells@redhat.com)
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU General Public Licence
|
||
|
|
* as published by the Free Software Foundation; either version
|
||
|
|
* 2 of the Licence, or (at your option) any later version.
|
||
|
|
*/
|
||
|
|
#include <linux/linkage.h>
|
||
|
|
#include <asm/unistd.h>
|
||
|
|
|
||
|
|
###############################################################################
|
||
|
|
#
|
||
|
|
# Do a system call from kernel instead of calling sys_execve so we end up with
|
||
|
|
# proper pt_regs.
|
||
|
|
#
|
||
|
|
# int kernel_execve(const char *filename, char *const argv[],
|
||
|
|
# char *const envp[])
|
||
|
|
#
|
||
|
|
# On entry: D0/D1/8(SP): arguments to function
|
||
|
|
# On return: D0: syscall return.
|
||
|
|
#
|
||
|
|
###############################################################################
|
||
|
|
.globl kernel_execve
|
||
|
|
.type kernel_execve,@function
|
||
|
|
kernel_execve:
|
||
|
|
mov a3,a1
|
||
|
|
mov d0,a0
|
||
|
|
mov (12,sp),a3
|
||
|
|
mov +__NR_execve,d0
|
||
|
|
syscall 0
|
||
|
|
mov a1,a3
|
||
|
|
rets
|
||
|
|
|
||
|
|
.size kernel_execve,.-kernel_execve
|