Merge remote-tracking branch 'origin/GP-5767_ryanmkurtz_dyld' into patch

Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/analysis/MachoFunctionStartsAnalyzer.java

@@ -17,19 +17,23 @@ package ghidra.app.plugin.core.analysis;
 
 import java.io.File;
 import java.io.IOException;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.List;
 
 import ghidra.app.cmd.function.CreateFunctionCmd;
 import ghidra.app.services.*;
 import ghidra.app.util.PseudoDisassembler;
+import ghidra.app.util.PseudoInstruction;
 import ghidra.app.util.bin.*;
 import ghidra.app.util.bin.format.macho.MachException;
 import ghidra.app.util.bin.format.macho.MachHeader;
 import ghidra.app.util.bin.format.macho.commands.*;
-import ghidra.app.util.bin.format.macho.dyld.*;
+import ghidra.app.util.bin.format.macho.dyld.DyldCacheHeader;
+import ghidra.app.util.bin.format.macho.dyld.DyldCacheMappingInfo;
 import ghidra.app.util.importer.MessageLog;
-import ghidra.app.util.opinion.DyldCacheLoader;
+import ghidra.app.util.opinion.*;
-import ghidra.app.util.opinion.MachoLoader;
+import ghidra.app.util.opinion.DyldCacheUtils.DyldCacheImageRecord;
+import ghidra.app.util.opinion.DyldCacheUtils.SplitDyldCache;
 import ghidra.framework.options.Options;
 import ghidra.program.database.mem.FileBytes;
 import ghidra.program.disassemble.Disassembler;
@@ -191,29 +195,31 @@ public class MachoFunctionStartsAnalyzer extends AbstractAnalyzer {
 	private void analyzeDyldCacheFunctionStarts(Program program, List<ByteProvider> providers,
 			AddressSetView set, TaskMonitor monitor, MessageLog log)
 			throws MachException, IOException, CancelledException {
-		Map<DyldCacheHeader, ByteProvider> providerMap = new HashMap<>();
+		List<DyldCacheHeader> headers = new ArrayList<>();
+		List<String> names = new ArrayList<>();
 
 		// Parse all DYLD Cache headers.  There could be more that one if the DYLD Cache is "split".
 		for (ByteProvider provider : providers) {
 			DyldCacheHeader header = new DyldCacheHeader(new BinaryReader(provider, true));
 			header.parseFromFile(false, log, monitor);
-			providerMap.put(header, provider);
+			headers.add(header);
+			names.add(provider.getName());
 		}
 
-		// Process each Mach-O header found in each DYLD Cache header
+		// Process each Mach-O header
-		for (DyldCacheHeader dyldCacheHeader : providerMap.keySet()) {
+		try (SplitDyldCache splitDyldCache =
-			List<DyldCacheImage> mappedImages = dyldCacheHeader.getMappedImages();
+			new SplitDyldCache(providers, headers, names, log, monitor)) {
-			monitor.initialize(mappedImages.size());
+			List<DyldCacheImageRecord> imageRecords = DyldCacheUtils.getImageRecords(headers);
-			for (DyldCacheImage mappedImage : mappedImages) {
+			monitor.initialize(imageRecords.size());
-				String name = new File(mappedImage.getPath()).getName();
+			for (DyldCacheImageRecord imageRecord : imageRecords) {
+				String name = new File(imageRecord.image().getPath()).getName();
 				monitor.checkCancelled();
 				monitor.setMessage("Analyzing function starts for " + name + "...");
 				monitor.incrementProgress(1);
 
 				// Parse Mach-O header
-				MachHeader machoHeader = new MachHeader(providerMap.get(dyldCacheHeader),
+				MachHeader machoHeader = splitDyldCache.getMacho(imageRecord);
-					mappedImage.getAddress() - dyldCacheHeader.getBaseAddress(), false);
+				machoHeader.parse(splitDyldCache);
-				machoHeader.parse();
 
 				// The list of function starts should always be in a __LINKEDIT segment.
 				// If the DYLD Cache is "split", a Mach-O's __LINKEDIT segment may live in a
@@ -221,8 +227,8 @@ public class MachoFunctionStartsAnalyzer extends AbstractAnalyzer {
 				SegmentCommand linkEdit = machoHeader.getSegment(SegmentNames.SEG_LINKEDIT);
 				if (linkEdit != null) {
 					boolean foundLinkEdit = false;
-					for (DyldCacheHeader header : providerMap.keySet()) {
+					for (DyldCacheHeader h : headers) {
-						for (DyldCacheMappingInfo mappingInfo : header.getMappingInfos()) {
+						for (DyldCacheMappingInfo mappingInfo : h.getMappingInfos()) {
 							if (mappingInfo.contains(linkEdit.getVMaddress(), true)) {
 								analyzeFunctionStarts(program, machoHeader, set, monitor);
 								foundLinkEdit = true;
@@ -287,7 +293,8 @@ public class MachoFunctionStartsAnalyzer extends AbstractAnalyzer {
 				else if (usePseudoDisassembler) {
 					try {
 						final String UDF = "UDF";
-						if (pdis.disassemble(addr).getMnemonicString().equalsIgnoreCase(UDF)) {
+						PseudoInstruction instr = pdis.disassemble(addr);
+						if (instr != null && instr.getMnemonicString().equalsIgnoreCase(UDF)) {
 							skipMessage = "Skipped \"" + UDF + "\" Instruction";
 						}
 						else if (!pdis.isValidSubroutine(addr, true, false)) {
@@ -295,7 +302,7 @@ public class MachoFunctionStartsAnalyzer extends AbstractAnalyzer {
 						}
 					}
 					catch (Exception e) {
-						// ignore
+						skipMessage = e.getMessage();
 					}
 				}
 				if (skipMessage != null) {

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/commands/DynamicSymbolTableCommand.java

@@ -363,11 +363,15 @@ public class DynamicSymbolTableCommand extends LoadCommand {
 
 		markupPlateComment(program, indirectSymbolTableAddr, source, "indirect");
 		
+		Address symbolTableAddr = null;
+		Address stringTableAddr = null;
 		SymbolTableCommand symbolTable = header.getFirstLoadCommand(SymbolTableCommand.class);
-		Address symbolTableAddr = fileOffsetToAddress(program, header,
+		if (symbolTable != null) {
-			symbolTable.getSymbolOffset(), symbolTable.getNumberOfSymbols());
+			symbolTableAddr = fileOffsetToAddress(program, header, symbolTable.getSymbolOffset(),
-		Address stringTableAddr = fileOffsetToAddress(program, header,
+				symbolTable.getNumberOfSymbols());
+			stringTableAddr = fileOffsetToAddress(program, header,
 				symbolTable.getStringTableOffset(), symbolTable.getStringTableSize());
+		}
 
 		ReferenceManager referenceManager = program.getReferenceManager();
 		try {

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/commands/LoadCommand.java

@@ -175,7 +175,13 @@ public abstract class LoadCommand implements StructConverter {
 			long size) {
 		if (fileOffset != 0 && size != 0) {
 			AddressSpace space = program.getAddressFactory().getDefaultAddressSpace();
-			SegmentCommand segment = getContainingSegment(header, fileOffset);
+			SegmentCommand segment = null;
+			if (getLinkerDataOffset() != 0) {
+				segment = header.getSegment(SegmentNames.SEG_LINKEDIT);
+			}
+			if (segment == null) {
+				segment = getContainingSegment(header, fileOffset);
+			}
 			if (segment != null) {
 				return space.getAddress(
 					segment.getVMaddress() + (fileOffset - segment.getFileOffset()));

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/dyld/DyldCacheAccelerateInfo.java

@@ -36,7 +36,7 @@ import ghidra.util.task.TaskMonitor;
 /**
  * Represents a dyld_cache_accelerator_info structure.
  * 
- * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/cache-builder/dyld_cache_format.h">dyld_cache_format.h</a> 
+ * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/include/mach-o/dyld_cache_format.h">dyld_cache_format.h</a> 
  */
 @SuppressWarnings("unused")
 public class DyldCacheAccelerateInfo implements StructConverter {

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/dyld/DyldCacheAcceleratorDof.java

@@ -26,7 +26,7 @@ import ghidra.util.exception.DuplicateNameException;
 /**
  * Represents a dyld_cache_accelerator_dof structure.
  * 
- * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/cache-builder/dyld_cache_format.h">dyld_cache_format.h</a> 
+ * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/include/mach-o/dyld_cache_format.h">dyld_cache_format.h</a> 
  */
 @SuppressWarnings("unused")
 public class DyldCacheAcceleratorDof implements StructConverter {

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/dyld/DyldCacheAcceleratorInitializer.java

@@ -26,7 +26,7 @@ import ghidra.util.exception.DuplicateNameException;
 /**
  * Represents a dyld_cache_accelerator_initializer structure.
  * 
- * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/cache-builder/dyld_cache_format.h">dyld_cache_format.h</a> 
+ * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/include/mach-o/dyld_cache_format.h">dyld_cache_format.h</a> 
  */
 @SuppressWarnings("unused")
 public class DyldCacheAcceleratorInitializer implements StructConverter {

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/dyld/DyldCacheHeader.java

@@ -34,7 +34,7 @@ import ghidra.util.task.TaskMonitor;
 /**
  * Represents a dyld_cache_header structure.
  * 
- * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/cache-builder/dyld_cache_format.h">dyld_cache_format.h</a> 
+ * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/include/mach-o/dyld_cache_format.h">dyld_cache_format.h</a> 
  */
 public class DyldCacheHeader implements StructConverter {
 
@@ -115,6 +115,10 @@ public class DyldCacheHeader implements StructConverter {
 	private long dynamicDataMaxSize;
 	private int tproMappingsOffset;
 	private int tproMappingsCount;
+	private long functionVariantInfoAddr;
+	private long functionVariantInfoSize;
+	private long prewarmingDataOffset;
+	private long prewarmingDataSize;
 
 	private int headerSize;
 	private BinaryReader reader;
@@ -358,6 +362,18 @@ public class DyldCacheHeader implements StructConverter {
 		if (reader.getPointerIndex() < mappingOffset) {
 			tproMappingsCount = reader.readNextInt();
 		}
+		if (reader.getPointerIndex() < mappingOffset) {
+			functionVariantInfoAddr = reader.readNextLong();
+		}
+		if (reader.getPointerIndex() < mappingOffset) {
+			functionVariantInfoSize = reader.readNextLong();
+		}
+		if (reader.getPointerIndex() < mappingOffset) {
+			prewarmingDataOffset = reader.readNextLong();
+		}
+		if (reader.getPointerIndex() < mappingOffset) {
+			prewarmingDataSize = reader.readNextLong();
+		}
 
 		headerSize = (int) (reader.getPointerIndex() - startIndex);
 
@@ -1025,6 +1041,34 @@ public class DyldCacheHeader implements StructConverter {
 		return tproMappingsCount;
 	}
 
+	/**
+	 * {@return the function variant info address}
+	 */
+	public long getFunctionVariantInfoAddr() {
+		return functionVariantInfoAddr;
+	}
+
+	/**
+	 * {@return the function variant info size}
+	 */
+	public long getFunctionVariantInfoSize() {
+		return functionVariantInfoSize;
+	}
+
+	/**
+	 * {@return the pre-warming data offset}
+	 */
+	public long getPreWarmingDataOffset() {
+		return prewarmingDataOffset;
+	}
+
+	/**
+	 * {@return the pre-warming data size}
+	 */
+	public long getPreWarmingDataSize() {
+		return prewarmingDataSize;
+	}
+
 	/**
 	 * {@return the reader associated with the header}
 	 * 
@@ -1052,27 +1096,12 @@ public class DyldCacheHeader implements StructConverter {
 	}
 
 	/**
-	 * Generates a {@link List} of {@link DyldCacheImage}s that are mapped in by this 
+	 * Gets the {@link List} of {@link DyldCacheImageInfo}s.  Requires header to have been parsed.
-	 * {@link DyldCacheHeader}.  Requires header to have been parsed.
-	 * <p>
-	 * NOTE: A DYLD subcache header may declare an image, but that image may get loaded at an
-	 * address defined by the memory map of a different subcache header.  This method will only 
-	 * return the images that are mapped by "this" header's memory map.
 	 * 
-	 * @return A {@link List} of {@link DyldCacheImage}s mapped by this {@link DyldCacheHeader}
+	 * @return The {@link List} of {@link DyldCacheImageInfo}s
 	 */
-	public List<DyldCacheImage> getMappedImages() {
+	public List<DyldCacheImageInfo> getImageInfos() {
-		// NOTE: A subcache will have an entry for every image, but not every image will be mapped
+		return imageInfoList;
-		List<DyldCacheImage> images = new ArrayList<>();
-		for (DyldCacheImage imageInfo : imageInfoList) {
-			for (DyldCacheMappingInfo mappingInfo : mappingInfoList) {
-				if (mappingInfo.contains(imageInfo.getAddress(), true)) {
-					images.add(imageInfo);
-					break;
-				}
-			}
-		}
-		return images;
 	}
 
 	/**
@@ -1213,6 +1242,10 @@ public class DyldCacheHeader implements StructConverter {
 		addHeaderField(struct, QWORD, "dynamicDataMaxSize", "maximum size of space reserved from dynamic data");
 		addHeaderField(struct, DWORD, "tproMappingsOffset", "file offset to first dyld_cache_tpro_mapping_info");
 		addHeaderField(struct, DWORD, "tproMappingsCount", "number of dyld_cache_tpro_mapping_info entries");
+		addHeaderField(struct, QWORD, "functionVariantInfoAddr", "(unslid) address of dyld_cache_function_variant_info");
+		addHeaderField(struct, QWORD, "functionVariantInfoSize", "Size of all of the variant information pointed to via the dyld_cache_function_variant_info");
+		addHeaderField(struct, QWORD, "prewarmingDataOffset", "file offset to dyld_prewarming_header");
+		addHeaderField(struct, QWORD, "prewarmingDataSize", "byte size of prewarming data");
 		// @formatter:on
 
 		struct.setCategoryPath(new CategoryPath(MachConstants.DATA_TYPE_CATEGORY));

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/dyld/DyldCacheImageInfo.java

@@ -26,7 +26,7 @@ import ghidra.util.exception.DuplicateNameException;
 /**
  * Represents a dyld_cache_image_info structure.
  * 
- * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/cache-builder/dyld_cache_format.h">dyld_cache_format.h</a> 
+ * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/include/mach-o/dyld_cache_format.h">dyld_cache_format.h</a> 
  */
 @SuppressWarnings("unused")
 public class DyldCacheImageInfo implements DyldCacheImage, StructConverter {

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/dyld/DyldCacheImageInfoExtra.java

@@ -26,7 +26,7 @@ import ghidra.util.exception.DuplicateNameException;
 /**
  * Represents a dyld_cache_image_info_extra structure.
  * 
- * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/cache-builder/dyld_cache_format.h">dyld_cache_format.h</a> 
+ * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/include/mach-o/dyld_cache_format.h">dyld_cache_format.h</a> 
  */
 @SuppressWarnings("unused")
 public class DyldCacheImageInfoExtra implements StructConverter {

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/dyld/DyldCacheImageTextInfo.java

@@ -26,7 +26,7 @@ import ghidra.util.exception.DuplicateNameException;
 /**
  * Represents a dyld_cache_image_text_info structure.
  * 
- * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/cache-builder/dyld_cache_format.h">dyld_cache_format.h</a> 
+ * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/include/mach-o/dyld_cache_format.h">dyld_cache_format.h</a> 
  */
 @SuppressWarnings("unused")
 public class DyldCacheImageTextInfo implements DyldCacheImage, StructConverter {

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/dyld/DyldCacheLocalSymbolsEntry.java

@@ -26,7 +26,7 @@ import ghidra.util.exception.DuplicateNameException;
 /**
  * Represents a dyld_cache_local_symbols_entry structure.
  * 
- * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/cache-builder/dyld_cache_format.h">dyld_cache_format.h</a> 
+ * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/include/mach-o/dyld_cache_format.h">dyld_cache_format.h</a> 
  */
 public class DyldCacheLocalSymbolsEntry implements StructConverter {
 

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/dyld/DyldCacheLocalSymbolsInfo.java

@@ -38,7 +38,7 @@ import ghidra.util.task.TaskMonitor;
 /**
  * Represents a dyld_cache_local_symbols_info structure.
  * 
- * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/cache-builder/dyld_cache_format.h">dyld_cache_format.h</a> 
+ * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/include/mach-o/dyld_cache_format.h">dyld_cache_format.h</a> 
  */
 @SuppressWarnings("unused")
 public class DyldCacheLocalSymbolsInfo implements StructConverter {

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/dyld/DyldCacheMappingAndSlideInfo.java

@@ -27,7 +27,7 @@ import ghidra.util.exception.DuplicateNameException;
 /**
  * Represents a dyld_cache_mapping_and_slide_info structure.
  * 
- * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/cache-builder/dyld_cache_format.h">dyld_cache_format.h</a> 
+ * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/include/mach-o/dyld_cache_format.h">dyld_cache_format.h</a> 
  */
 @SuppressWarnings("unused")
 public class DyldCacheMappingAndSlideInfo implements StructConverter {

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/dyld/DyldCacheMappingInfo.java

@@ -27,7 +27,7 @@ import ghidra.util.exception.DuplicateNameException;
 /**
  * Represents a dyld_cache_mapping_info structure.
  * 
- * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/cache-builder/dyld_cache_format.h">dyld_cache_format.h</a> 
+ * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/include/mach-o/dyld_cache_format.h">dyld_cache_format.h</a> 
  */
 @SuppressWarnings("unused")
 public class DyldCacheMappingInfo implements StructConverter {

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/dyld/DyldCacheRangeEntry.java

@@ -26,7 +26,7 @@ import ghidra.util.exception.DuplicateNameException;
 /**
  * Represents a dyld_cache_range_entry structure.
  * 
- * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/cache-builder/dyld_cache_format.h">dyld_cache_format.h</a> 
+ * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/include/mach-o/dyld_cache_format.h">dyld_cache_format.h</a> 
  */
 @SuppressWarnings("unused")
 public class DyldCacheRangeEntry implements StructConverter {

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/dyld/DyldCacheSlideInfoCommon.java

@@ -38,7 +38,7 @@ import ghidra.util.task.TaskMonitor;
  * The intent is for the full dyld_cache_slide_info structures to extend this and add their
  * specific parts.
  * 
- * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/cache-builder/dyld_cache_format.h">dyld_cache_format.h</a> 
+ * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/include/mach-o/dyld_cache_format.h">dyld_cache_format.h</a> 
  */
 public abstract class DyldCacheSlideInfoCommon implements StructConverter {
 

Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/dyld/DyldSubcacheEntry.java

@@ -28,7 +28,7 @@ import ghidra.util.exception.DuplicateNameException;
 /**
  * Represents a dyld_subcache_entry structure.
  * 
- * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/cache-builder/dyld_cache_format.h">dyld_cache_format.h</a> 
+ * @see <a href="https://github.com/apple-oss-distributions/dyld/blob/main/include/mach-o/dyld_cache_format.h">dyld_cache_format.h</a> 
  */
 public class DyldSubcacheEntry implements StructConverter {
 

Ghidra/Features/Base/src/main/java/ghidra/app/util/opinion/DyldCacheProgramBuilder.java

@@ -26,6 +26,7 @@ import ghidra.app.util.bin.format.macho.*;
 import ghidra.app.util.bin.format.macho.commands.*;
 import ghidra.app.util.bin.format.macho.dyld.*;
 import ghidra.app.util.importer.MessageLog;
+import ghidra.app.util.opinion.DyldCacheUtils.DyldCacheImageRecord;
 import ghidra.app.util.opinion.DyldCacheUtils.SplitDyldCache;
 import ghidra.program.database.mem.FileBytes;
 import ghidra.program.model.address.Address;
@@ -109,6 +110,9 @@ public class DyldCacheProgramBuilder extends MachoProgramBuilder {
 				}
 			}
 
+			// Process DYLIBs
+			processDylibs(splitDyldCache, localSymbolsPresent);
+
 			// Perform additional DYLD processing
 			for (int i = 0; i < splitDyldCache.size(); i++) {
 				DyldCacheHeader header = splitDyldCache.getDyldCacheHeader(i);
@@ -118,7 +122,6 @@ public class DyldCacheProgramBuilder extends MachoProgramBuilder {
 				markupHeaders(header);
 				markupBranchIslands(header, bp);
 				createLocalSymbols(header);
-				processDylibs(splitDyldCache, header, bp, localSymbolsPresent);
 			}
 		}
 	}
@@ -310,27 +313,26 @@ public class DyldCacheProgramBuilder extends MachoProgramBuilder {
 	 * Processes the DYLD Cache's DYLIB files.  This will mark up the DYLIB files, added them to the
 	 * program tree, and make memory blocks for them.
 	 * 
-	 * @param dyldCacheHeader The {@link DyldCacheHeader}
-	 * @param bp The corresponding {@link ByteProvider}
 	 * @param localSymbolsPresent True if DYLD local symbols are present; otherwise, false
 	 * @throws Exception if there was a problem processing the DYLIB files
 	 */
-	private void processDylibs(SplitDyldCache splitDyldCache, DyldCacheHeader dyldCacheHeader,
+	private void processDylibs(SplitDyldCache splitDyldCache, boolean localSymbolsPresent)
-			ByteProvider bp, boolean localSymbolsPresent) throws Exception {
+			throws Exception {
 		// Create an "info" object for each DyldCache DYLIB, which will make processing them 
 		// easier.  Save off the "libobjc" DYLIB for additional processing later.
 		monitor.setMessage("Parsing DYLIB's...");
 		DyldCacheMachoInfo libobjcInfo = null;
 		TreeSet<DyldCacheMachoInfo> infoSet =
 			new TreeSet<>((a, b) -> a.headerAddr.compareTo(b.headerAddr));
-		List<DyldCacheImage> mappedImages = dyldCacheHeader.getMappedImages();
+		List<DyldCacheImageRecord> imageRecords = splitDyldCache.getImageRecords();
-		monitor.initialize(mappedImages.size());
+		monitor.initialize(imageRecords.size());
-		for (DyldCacheImage mappedImage : mappedImages) {
+		for (DyldCacheImageRecord imageRecord : imageRecords) {
 			monitor.checkCancelled();
 			monitor.incrementProgress(1);
-			DyldCacheMachoInfo info = new DyldCacheMachoInfo(splitDyldCache, bp,
+			DyldCacheImage image = imageRecord.image();
-				mappedImage.getAddress() - dyldCacheHeader.getBaseAddress(),
+			DyldCacheMachoInfo info =
-				space.getAddress(mappedImage.getAddress()), mappedImage.getPath());
+				new DyldCacheMachoInfo(splitDyldCache, splitDyldCache.getMacho(imageRecord),
+					space.getAddress(image.getAddress()), image.getPath());
 			infoSet.add(info);
 			if (libobjcInfo == null && info.name.contains("libobjc.")) {
 				libobjcInfo = info;
@@ -427,15 +429,15 @@ public class DyldCacheProgramBuilder extends MachoProgramBuilder {
 		 * Creates a new {@link DyldCacheMachoInfo} object with the given parameters.
 		 * 
 		 * @param splitDyldCache The {@link SplitDyldCache}
-		 * @param provider The {@link ByteProvider} that contains the Mach-O's bytes
+		 * @param header The {@link MachHeader#parse(SplitDyldCache) unparsed} {@link MachHeader}
-		 * @param offset The offset in the provider to the start of the Mach-O
 		 * @param headerAddr The Mach-O's header address
 		 * @param path The path of the Mach-O
 		 * @throws Exception If there was a problem handling the Mach-O info
 		 */
-		public DyldCacheMachoInfo(SplitDyldCache splitDyldCache, ByteProvider provider, long offset, Address headerAddr, String path) throws Exception {
+		public DyldCacheMachoInfo(SplitDyldCache splitDyldCache, MachHeader header,
+				Address headerAddr, String path) throws Exception {
 			this.headerAddr = headerAddr;
-			this.header = new MachHeader(provider, offset, false);
+			this.header = header;
 			this.header.parse(splitDyldCache);
 			this.path = path;
 			this.name = new File(path).getName();

Ghidra/Features/Base/src/main/java/ghidra/app/util/opinion/DyldCacheUtils.java

@@ -21,6 +21,8 @@ import java.util.*;
 
 import ghidra.app.util.bin.BinaryReader;
 import ghidra.app.util.bin.ByteProvider;
+import ghidra.app.util.bin.format.macho.MachException;
+import ghidra.app.util.bin.format.macho.MachHeader;
 import ghidra.app.util.bin.format.macho.dyld.*;
 import ghidra.app.util.importer.MessageLog;
 import ghidra.formats.gfilesystem.*;
@@ -80,6 +82,43 @@ public class DyldCacheUtils {
 		return isDyldCache(new String(bytes).trim());
 	}
 
+	/**
+	 * A {@link DyldCacheImage} and its corresponding metadata
+	 * 
+	 * @param image The {@link DyldCacheImage}
+	 * @param splitCacheIndex The image's index in the {@link SplitDyldCache}
+	 */
+	public record DyldCacheImageRecord(DyldCacheImage image, int splitCacheIndex) {}
+
+	/**
+	 * Gets all the {@link DyldCacheImageRecord}s for the given {@link List} of 
+	 * {@link DyldCacheHeader}s
+	 * 
+	 * @param headers The {@link List} of {@link DyldCacheHeader}s
+	 * @return A {@link List} of {@link DyldCacheImageRecord}s
+	 */
+	public final static List<DyldCacheImageRecord> getImageRecords(List<DyldCacheHeader> headers) {
+		Set<Long> addrs = new HashSet<>();
+		List<DyldCacheImageRecord> imageRecords = new ArrayList<>();
+		for (DyldCacheHeader header : headers) {
+			for (DyldCacheImage image : header.getImageInfos()) {
+				if (addrs.contains(image.getAddress())) {
+					continue;
+				}
+				for (int i = 0; i < headers.size(); i++) {
+					for (DyldCacheMappingInfo mappingInfo : headers.get(i).getMappingInfos()) {
+						if (mappingInfo.contains(image.getAddress(), true)) {
+							imageRecords.add(new DyldCacheImageRecord(image, i));
+							addrs.add(image.getAddress());
+							break;
+						}
+					}
+				}
+			}
+		}
+		return imageRecords;
+	}
+
 	/**
 	 * Determines if the given signature represents a DYLD cache signature with an architecture we
 	 * support.
@@ -106,7 +145,7 @@ public class DyldCacheUtils {
 		private List<ByteProvider> providers = new ArrayList<>();
 		private List<DyldCacheHeader> headers = new ArrayList<>();
 		private List<String> names = new ArrayList<>();
-		private FileSystemService fsService;
+		private FileSystemService fsService = FileSystemService.getInstance();
 
 		/**
 		 * Creates a new {@link SplitDyldCache}
@@ -135,7 +174,6 @@ public class DyldCacheUtils {
 				baseHeader.getSymbolFileUUID() == null) {
 				return;
 			}
-			fsService = FileSystemService.getInstance();
 			Map<String, FSRL> uuidToFileMap = new HashMap<>();
 			for (FSRL splitFSRL : findSplitDyldCacheFiles(baseProvider.getFSRL(), monitor)) {
 				monitor.setMessage("Parsing " + splitFSRL.getName() + " headers...");
@@ -179,6 +217,22 @@ public class DyldCacheUtils {
 			}
 		}
 
+		/**
+		 * Creates a new {@link SplitDyldCache}
+		 * 
+		 * @param providers The cache's ordered {@link ByteProvider}s
+		 * @param headers The cache's ordered {@link DyldCacheHeader}s
+		 * @param names The cache's ordered names
+		 * @param log The log
+		 * @param monitor A cancelable task monitor
+		 */
+		public SplitDyldCache(List<ByteProvider> providers, List<DyldCacheHeader> headers,
+				List<String> names, MessageLog log, TaskMonitor monitor) {
+			this.providers = new ArrayList<>(providers);
+			this.headers = new ArrayList<>(headers);
+			this.names = new ArrayList<>(names);
+		}
+
 		/**
 		 * Gets the i'th {@link ByteProvider} in the split DYLD Cache
 		 * 
@@ -242,6 +296,33 @@ public class DyldCacheUtils {
 					.orElse(null);
 		}
 
+		/**
+		 * Gets all the {@link DyldCacheImageRecord}s from the entire cache
+		 * 
+		 * @return A {@link List} of {@link DyldCacheImageRecord}s from the entire cache
+		 */
+		public List<DyldCacheImageRecord> getImageRecords() {
+			return DyldCacheUtils.getImageRecords(headers);
+		}
+
+		/**
+		 * Gets the Mach-O of the given {@link DyldCacheImageRecord}.
+		 * <p>
+		 * NOTE: The returned Mach-O is not yet {@link MachHeader#parse(SplitDyldCache) parsed}.
+		 * 
+		 * @param imageRecord The desired Mach-O's {@link DyldCacheImageRecord} 
+		 * @return The {@link DyldCacheImageRecord}'s Mach-O
+		 * @throws MachException If there was a problem creating the {@link MachHeader}
+		 * @throws IOException If there was an IO-related error
+		 */
+		public MachHeader getMacho(DyldCacheImageRecord imageRecord)
+				throws MachException, IOException {
+			int i = imageRecord.splitCacheIndex();
+			DyldCacheImage image = imageRecord.image();
+			return new MachHeader(providers.get(i),
+				image.getAddress() - headers.get(i).getBaseAddress(), false);
+		}
+
 		@Override
 		public void close() throws IOException {
 			// Assume someone else is responsible for closing the base providers that was passed

Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/ios/dyldcache/DyldCacheFileSystem.java

@@ -28,6 +28,7 @@ import ghidra.app.util.bin.format.macho.MachHeader;
 import ghidra.app.util.bin.format.macho.commands.SegmentCommand;
 import ghidra.app.util.bin.format.macho.dyld.*;
 import ghidra.app.util.importer.MessageLog;
+import ghidra.app.util.opinion.DyldCacheUtils.DyldCacheImageRecord;
 import ghidra.app.util.opinion.DyldCacheUtils.SplitDyldCache;
 import ghidra.formats.gfilesystem.*;
 import ghidra.formats.gfilesystem.annotations.FileSystemInfo;
@@ -78,26 +79,23 @@ public class DyldCacheFileSystem extends AbstractFileSystem<DyldCacheEntry> {
 		RangeSet<Long> allDylibRanges = TreeRangeSet.create();
 
 		// Find the DYLIB's and add them as files
-		monitor.initialize(splitDyldCache.size(), "Find DYLD DYLIBs...");
+		List<DyldCacheImageRecord> imageRecords = splitDyldCache.getImageRecords();
-		for (int i = 0; i < splitDyldCache.size(); i++) {
+		monitor.initialize(imageRecords.size(), "Find DYLD DYLIBs...");
+		for (DyldCacheImageRecord imageRecord : imageRecords) {
 			monitor.increment();
-			DyldCacheHeader header = splitDyldCache.getDyldCacheHeader(i);
+			DyldCacheImage image = imageRecord.image();
-			ByteProvider p = splitDyldCache.getProvider(i);
+			MachHeader machHeader = splitDyldCache.getMacho(imageRecord);
-			for (DyldCacheImage mappedImage : header.getMappedImages()) {
-				MachHeader machHeader =
-					new MachHeader(p, mappedImage.getAddress() - header.getBaseAddress());
 			RangeSet<Long> rangeSet = TreeRangeSet.create();
 			for (SegmentCommand segment : machHeader.parseSegments()) {
 				Range<Long> range = Range.openClosed(segment.getVMaddress(),
 					segment.getVMaddress() + segment.getVMsize());
 				rangeSet.add(range);
 			}
-				DyldCacheEntry entry =
+			DyldCacheEntry entry = new DyldCacheEntry(image.getPath(),
-					new DyldCacheEntry(mappedImage.getPath(), i, rangeSet, null, null, -1);
+				imageRecord.splitCacheIndex(), rangeSet, null, null, -1);
 			rangeSet.asRanges().forEach(r -> rangeMap.put(r, entry));
 			allDylibRanges.addAll(rangeSet);
-				fsIndex.storeFile(mappedImage.getPath(), fsIndex.getFileCount(), false, -1, entry);
+			fsIndex.storeFile(image.getPath(), fsIndex.getFileCount(), false, -1, entry);
-			}
 		}
 
 		// Find and store all the mappings for all of the subcaches. We need to remove the DYLIB's