public static FSRL getExternalDebugFileLocation(Program program) {
		Options options = program.getOptions(Program.PROGRAM_INFO);
		String fsrlStr = options.getString(PROGRAM_INFO_DWARF_EXTERNAL_DEBUG_FILE, null);
		try {
			return fsrlStr != null ? FSRL.fromString(fsrlStr) : null;
		}
		catch (MalformedURLException e) {
			return null;
		}
	}
Returns the previously saved value of the external debug file location from the program's
metadata.
 
@param program DWARF that previously was analyzed 
@return FSRL of external debug file, or null if missing or corrupted value
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/dwarf/sectionprovider/ExternalDebugFileSectionProvider.java