Function get_string_data

objdiff-core/src/arch/ppc/flow_analysis.rs:518–530

Note: This function only supports MWCC ASCII strings. Other encodings and other compilers are currently not supported.

(obj: &Object, symbol_index: usize, offset: Simm)

// Note: This function only supports MWCC ASCII strings.
// Other encodings and other compilers are currently not supported.
fn get_string_data(obj: &Object, symbol_index: usize, offset: Simm) -> Option<&str> {
    if let Some(sym) = obj.symbols.get(symbol_index)
        && sym.name.starts_with("@stringBase")
        && offset.0 != 0
        && let Some(data) = obj.symbol_data(symbol_index)
    {
        let bytes = &data[offset.0 as usize..];
        if let Ok(Ok(str)) = CStr::from_bytes_until_nul(bytes).map(|x| x.to_str()) {
            return Some(str);
        }
    }
    None
}

// Write the relevant part of the flow analysis out into the FlowAnalysisResult
// the rest of the application will use to query results of the flow analysis.