1 files changed, 94 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Plugins/ObjectContainer/Mach-O-Fileset/ObjectContainerMachOFileset.h b/contrib/llvm-project/lldb/source/Plugins/ObjectContainer/Mach-O-Fileset/ObjectContainerMachOFileset.h
new file mode 100644
index 000000000000..134c503aac91
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/Plugins/ObjectContainer/Mach-O-Fileset/ObjectContainerMachOFileset.h
@@ -0,0 +1,94 @@
+//===-- ObjectContainerMachOFileset.h ---------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDB_SOURCE_PLUGINS_OBJECTCONTAINER_MACH_O_FILESET_OBJECTCONTAINERMADCHOFILESET_H
+#define LLDB_SOURCE_PLUGINS_OBJECTCONTAINER_MACH_O_FILESET_OBJECTCONTAINERMADCHOFILESET_H
+
+#include "lldb/Host/SafeMachO.h"
+#include "lldb/Symbol/ObjectContainer.h"
+#include "lldb/Utility/FileSpec.h"
+
+namespace lldb_private {
+
+class ObjectContainerMachOFileset : public lldb_private::ObjectContainer {
+public:
+  ObjectContainerMachOFileset(const lldb::ModuleSP &module_sp,
+                              lldb::DataBufferSP &data_sp,
+                              lldb::offset_t data_offset,
+                              const lldb_private::FileSpec *file,
+                              lldb::offset_t offset, lldb::offset_t length);
+
+  ObjectContainerMachOFileset(const lldb::ModuleSP &module_sp,
+                              lldb::WritableDataBufferSP data_sp,
+                              const lldb::ProcessSP &process_sp,
+                              lldb::addr_t header_addr);
+
+  ~ObjectContainerMachOFileset() override;
+
+  static void Initialize();
+  static void Terminate();
+
+  static llvm::StringRef GetPluginNameStatic() { return "mach-o-fileset"; }
+
+  static llvm::StringRef GetPluginDescriptionStatic() {
+    return "Mach-O Fileset container reader.";
+  }
+
+  static lldb_private::ObjectContainer *
+  CreateInstance(const lldb::ModuleSP &module_sp, lldb::DataBufferSP &data_sp,
+                 lldb::offset_t data_offset, const lldb_private::FileSpec *file,
+                 lldb::offset_t offset, lldb::offset_t length);
+
+  static lldb_private::ObjectContainer *CreateMemoryInstance(
+      const lldb::ModuleSP &module_sp, lldb::WritableDataBufferSP data_sp,
+      const lldb::ProcessSP &process_sp, lldb::addr_t header_addr);
+
+  static size_t GetModuleSpecifications(const lldb_private::FileSpec &file,
+                                        lldb::DataBufferSP &data_sp,
+                                        lldb::offset_t data_offset,
+                                        lldb::offset_t file_offset,
+                                        lldb::offset_t length,
+                                        lldb_private::ModuleSpecList &specs);
+
+  static bool MagicBytesMatch(const lldb_private::DataExtractor &data);
+  static bool MagicBytesMatch(lldb::DataBufferSP data_sp,
+                              lldb::addr_t data_offset,
+                              lldb::addr_t data_length);
+
+  bool ParseHeader() override;
+
+  size_t GetNumObjects() const override { return m_entries.size(); }
+
+  lldb::ObjectFileSP GetObjectFile(const lldb_private::FileSpec *file) override;
+
+  llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
+
+  struct Entry {
+    Entry(uint64_t vmaddr, uint64_t fileoff, std::string id)
+        : vmaddr(vmaddr), fileoff(fileoff), id(id) {}
+    uint64_t vmaddr;
+    uint64_t fileoff;
+    std::string id;
+  };
+
+  Entry *FindEntry(llvm::StringRef id);
+
+private:
+  static bool ParseHeader(lldb_private::DataExtractor &data,
+                          const lldb_private::FileSpec &file,
+                          lldb::offset_t file_offset,
+                          std::vector<Entry> &entries);
+
+  std::vector<Entry> m_entries;
+  lldb::ProcessWP m_process_wp;
+  const lldb::addr_t m_memory_addr;
+};
+
+} // namespace lldb_private
+
+#endif // LLDB_SOURCE_PLUGINS_OBJECTCONTAINER_MACH_O_FILESET_OBJECTCONTAINERMADCHOFILESET_H