//! Empty implementation of unwinding used when no other implementation is //! appropriate. use core::ffi::c_void; use core::ptr::null_mut; #[inline(always)] pub fn trace(_cb: &mut dyn FnMut(&super::Frame) -> bool) {} #[derive(Clone)] pub struct Frame; impl Frame { pub fn ip(&self) -> *mut c_void { null_mut() } pub fn sp(&self) -> *mut c_void { null_mut() } pub fn symbol_address(&self) -> *mut c_void { null_mut() } pub fn module_base_address(&self) -> Option<*mut c_void> { None } }