arch/frv/kernel/kernel_execve.S

   1 /* in-kernel program execution
   2  *
   3  * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
   4  * Written by David Howells (dhowells@redhat.com)
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version
   9  * 2 of the License, or (at your option) any later version.
  10  */
  11
  12 #include <linux/linkage.h>
  13 #include <asm/unistd.h>
  14
  15 ###############################################################################
  16 #
  17 # Do a system call from kernel instead of calling sys_execve so we end up with
  18 # proper pt_regs.
  19 #
  20 # int kernel_execve(const char *filename, char *const argv[], char *const envp[])
  21 #
  22 # On entry: GR8/GR9/GR10: arguments to function
  23 # On return: GR8: syscall return.
  24 #
  25 ###############################################################################
  26         .globl          kernel_execve
  27         .type           kernel_execve,@function
  28 kernel_execve:
  29         setlos          __NR_execve,gr7
  30         tira            gr0,#0
  31         bralr
  32
  33         .size           kernel_execve,.-kernel_execve