avr32: switch to generic sys_execve()

#define __ARCH_WANT_SYS_GETPGRP

#define __ARCH_WANT_SYS_RT_SIGACTION

#define __ARCH_WANT_SYS_RT_SIGSUSPEND

#define __ARCH_WANT_SYS_EXECVE

/*

 * "Conditional" syscalls

		       0, NULL, NULL);

}

asmlinkage int sys_execve(const char __user *ufilename,

			  const char __user *const __user *uargv,

			  const char __user *const __user *uenvp,

			  struct pt_regs *regs)

{

	int error;

	struct filename *filename;

	filename = getname(ufilename);

	error = PTR_ERR(filename);

	if (IS_ERR(filename))

		goto out;

	error = do_execve(filename->name, uargv, uenvp, regs);

	putname(filename);

out:

	return error;

}

/*

 * This function is supposed to answer the question "who called

 * schedule()?"

	mov	r12, sp

	rjmp	sys_vfork

	.global	__sys_execve

	.type	__sys_execve,@function

__sys_execve:

	mov	r9, sp

	rjmp	sys_execve

	.global	__sys_mmap2

	.type	__sys_mmap2,@function

__sys_mmap2:

	.long	sys_creat

	.long	sys_link

	.long	sys_unlink		/* 10 */

	.long	__sys_execve

	.long	sys_execve

	.long	sys_chdir

	.long	sys_time

	.long	sys_mknod