Method compute

crates/wasmtime/src/runtime/debug.rs:721–749

(frame: VirtualFrame, store_code: &StoreCode)

impl FrameData {
    fn compute(frame: VirtualFrame, store_code: &StoreCode) -> Self {
        let frame_table = store_code.code_memory().frame_table().unwrap();
        // Parse the frame descriptor.
        let (data, slot_to_fp_offset) = frame_table
            .frame_descriptor(frame.frame_descriptor)
            .unwrap();
        let frame_state_slot = FrameStateSlot::parse(data).unwrap();
        let slot_to_fp_offset = usize::try_from(slot_to_fp_offset).unwrap();

        // Materialize the stack shape so we have O(1) access to its
        // elements, and so we don't need to keep the borrow to the
        // module alive.
        let mut stack = frame_state_slot
            .stack(frame.stack_shape)
            .collect::<Vec<_>>();
        stack.reverse(); // Put top-of-stack last.

        // Materialize the local offsets/types so we don't need to
        // keep the borrow to the module alive.
        let locals = frame_state_slot.locals().collect::<Vec<_>>();

        FrameData {
            slot_to_fp_offset,
            func_key: frame_state_slot.func_key(),
            wasm_pc: frame.wasm_pc,
            stack,
            locals,
        }
    }

    fn slot_addr(&self, fp: usize) -> *mut u8 {
        let fp: *mut u8 = core::ptr::with_exposed_provenance_mut(fp);