public Process exec(String command, String[] envp) { return null; }
                public Process exec(String command, String[] envp, File file) { return null; }
                public Process exec(String command, List<?> envp, File file) { return null; }
                public Process exec(String[] command) { return null; }
                public Process exec(String[] command, String[] envp) { return null; }

	// sequence of string pointers followed by a NULL, and auxv.
	// The TLS pointer should be initialized to 0.
	//
	// In an ELFv2 compliant dynamically linked binary, R3 contains argc,
	// R4 contains argv, R5 contains envp, R6 contains auxv, and R13
	// contains the TLS pointer.
	//
	// When loading via glibc, the first doubleword on the stack points
	// to NULL a value. (that is *(uintptr)(R1) == 0). This is used to

//sys	getcwd(buf []byte) (n int, err error)
//sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error)
//sysnb fork() (pid int, err error)
//sysnb execve(path *byte, argv **byte, envp **byte) (err error)
//sysnb exit(res int) (err error)
//sys   ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
//sysnb getentropy(p []byte) (err error)

	Edi      int32
	Ebp      int32
	Eax      int32
	Xds      int32
	Xes      int32
	Xfs      int32
	Xgs      int32
	Orig_eax int32
	Eip      int32
	Xcs      int32
	Eflags   int32
	Esp      int32
	Xss      int32
}

type FdSet struct {
	Bits [32]int32
}

type Sysinfo_t struct {
	Uptime    int32
	Loads     [3]uint32
	Totalram  uint32
	Freeram   uint32

//sys   munmap(addr uintptr, length uintptr) (err error)
//sysnb fork() (pid int, err error)
//sysnb execve(path *byte, argv **byte, envp **byte) (err error)
//sysnb exit(res int) (err error)
//sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error)
//sys   unlinkat(fd int, path string, flags int) (err error)

	} else if !strings.Contains(err.Error(), "type") {
		t.Error("for struct/non-struct expected type error; got", err)
	}
	// Now try the other way
	var nsp NonStruct
	if err := encAndDec(ns, &nsp); err != nil {
		t.Error(err)
	}
	if err := encAndDec(ns, &s); err == nil {
		t.Error("should get error for non-struct/struct")
	} else if !strings.Contains(err.Error(), "type") {

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func execve(path *byte, argv **byte, envp **byte) (err error) {
	_, _, e1 := rawSyscall(abi.FuncPCABI0(libc_execve_trampoline), uintptr(unsafe.Pointer(path)), uintptr(unsafe.Pointer(argv)), uintptr(unsafe.Pointer(envp)))
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

func libc_execve_trampoline()

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func execve(path *byte, argv **byte, envp **byte) (err error) {
	_, _, e1 := rawSyscall(abi.FuncPCABI0(libc_execve_trampoline), uintptr(unsafe.Pointer(path)), uintptr(unsafe.Pointer(argv)), uintptr(unsafe.Pointer(envp)))
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

func libc_execve_trampoline()

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func execve(path *byte, argv **byte, envp **byte) (err error) {
	_, _, e1 := rawSyscall(abi.FuncPCABI0(libc_execve_trampoline), uintptr(unsafe.Pointer(path)), uintptr(unsafe.Pointer(argv)), uintptr(unsafe.Pointer(envp)))
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

func libc_execve_trampoline()

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func execve(path *byte, argv **byte, envp **byte) (err error) {
	_, _, e1 := rawSyscall(abi.FuncPCABI0(libc_execve_trampoline), uintptr(unsafe.Pointer(path)), uintptr(unsafe.Pointer(argv)), uintptr(unsafe.Pointer(envp)))
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

func libc_execve_trampoline()