i need to go to sleep

struct execdata {
	int argc;
	char **argv, **envp;
	char *cwd;
};

	stack -= sizeof ed;
	_klogf("cwd stack %p", stack);
	memcpy(stack, &ed, sizeof ed);
	_klogf("copied ed");

[klog] 1        cwd stack 0xffffffffffffffc8
interrupt 13, rip = k/0020160f, cs 0x2b, code 0x0

    1608:       31 c0                   xor    %eax,%eax
    160a:       e8 c1 48 00 00          call   0x5ed0      ; the klogf call
    160f:       66 0f 6f 8d 30 ff ff    movdqa -0xd0(%rbp),%xmm1
    1616:       ff