Method set_address_map

crates/cranelift/src/compiled_function.rs:165–190

Create and return the compiled function address map from the original source offset and length.

(&mut self, offset: u32, length: u32, with_instruction_addresses: bool)

    /// Create and return the compiled function address map from the original source offset
    /// and length.
    pub fn set_address_map(&mut self, offset: u32, length: u32, with_instruction_addresses: bool) {
        assert!((offset + length) <= u32::max_value());
        let len = self.buffer.data().len();
        let srclocs = self
            .buffer
            .get_srclocs_sorted()
            .into_iter()
            .map(|&MachSrcLoc { start, end, loc }| (loc, start, (end - start)));
        let instructions = if with_instruction_addresses {
            collect_address_maps(len.try_into().unwrap(), srclocs)
        } else {
            Default::default()
        };
        let start_srcloc = FilePos::new(offset);
        let end_srcloc = FilePos::new(offset + length);

        let address_map = FunctionAddressMap {
            instructions: instructions.into(),
            start_srcloc,
            end_srcloc,
            body_offset: 0,
            body_len: len.try_into().unwrap(),
        };

        self.metadata.address_map = address_map;
    }

    /// Get a reference to the unwind information from the
    /// function's metadata.