Method wasm_function_index_and_pc

crates/wasmtime/src/runtime/debug.rs:545–563

Get the raw function index associated with the current frame, and the module-relative PC as an offset within the module binary, if this is a Wasm function directly from the given `Module` (rather than a trampoline).

(
        &self,
        mut store: impl AsContextMut,
    )

    /// this is a Wasm function directly from the given `Module`
    /// (rather than a trampoline).
    pub fn wasm_function_index_and_pc(
        &self,
        mut store: impl AsContextMut,
    ) -> Result<Option<(DefinedFuncIndex, ModulePC)>> {
        let mut store = store.as_context_mut();
        let frame_data = self.frame_data(store.0.as_store_opaque())?;
        let FuncKey::DefinedWasmFunction(module, func) = frame_data.func_key else {
            return Ok(None);
        };
        let wasm_pc = frame_data.wasm_pc;
        debug_assert_eq!(
            module,
            self.module(&mut store)?
                .expect("module should be defined if this is a defined function")
                .env_module()
                .module_index
        );
        Ok(Some((func, wasm_pc)))
    }

    /// Get the number of locals in this frame.
    pub fn num_locals(&self, mut store: impl AsContextMut) -> Result<u32> {