STACK_MAX         598 core/vm.c        PN stack[STACK_MAX];
STACK_MAX         624 core/vm.c        memset((void*)stack, 0, STACK_MAX*sizeof(PN));
STACK_MAX         628 core/vm.c        if (current - stack >= STACK_MAX) { // 4096
STACK_MAX         828 core/vm.c                  } else if (((reg - stack) + PN_INT(f->stack) + f->upvalsize + f->localsize + 8) >= STACK_MAX) {