sys_avr32.c

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/*
 * 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/unistd.h>

int kernel_execve(const char *file,
          const char *const *argv,
          const char *const *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;
}