[DSC] Place synthetic sections after the cache's address range

This ensures they do not overlap with any images that may later be loaded from the shared cache.

Author: bdash

view/sharedcache/core/SharedCacheView.cpp

@@ -109,6 +109,14 @@ Ref<Settings> SharedCacheViewType::GetLoadSettingsForData(BinaryView* data)
 			"description" : "Add function starts sourced from the Function Starts tables to the core for analysis."
 			})");
 
+	// Place the synthetic sections well after the shared cache to ensure they do
+	// not collide with any images that are later loaded from the shared cache.
+	// We do not have easy access to the size of the shared cache's mapping here
+	// so we use a large fixed offset.
+	// TODO: This will have to be updated if we add support for 32-bit shared caches.
+	const uint64_t syntheticSectionsOffset = 12ull * 1024 * 1024 * 1024;
+	settings->UpdateProperty("loader.syntheticSectionBase", "default", viewRef->GetStart() + syntheticSectionsOffset);
+
 	// Merge existing load settings if they exist. This allows for the selection of a specific object file from a Mach-O
 	// Universal file. The 'Universal' BinaryViewType generates a schema with 'loader.universal.architectures'. This
 	// schema contains an appropriate 'Mach-O' load schema for selecting a specific object file. The embedded schema