@Override
	public int hashCode() {
		int hashCode = lineNumber;
		hashCode = 31 * hashCode + sourceFile.hashCode();
		hashCode = 31 * hashCode + baseAddress.hashCode();
		hashCode = 31 * hashCode + Long.hashCode(length);
		return hashCode;
	}
Creates a new SourceMapEntryDB
@param manager source file manager
@param record backing record
@param addrMap address map
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/sourcemap/SourceMapEntryDB.java