private void markupDebigMisc(Program program, boolean isBinary,
			MessageLog log, AddressSpace space) throws DuplicateNameException {
		DebugMisc dm = parser.getDebugMisc();
		if (dm != null) {
			Address dataAddr = getDataAddress(dm.getDebugDirectory(), isBinary, space, ntHeader);
			if (dataAddr != null) {
				setPlateComment(program, dataAddr, "Misc Debug Info");
				PeUtils.createData(program, dataAddr, dm.toDataType(), log);
			}
		}
	}
Points to an array of IMAGE_DEBUG_DIRECTORY structures.
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/pe/DebugDataDirectory.java