1 files changed, 116 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Plugins/ObjectFile/COFF/ObjectFileCOFF.h b/contrib/llvm-project/lldb/source/Plugins/ObjectFile/COFF/ObjectFileCOFF.h
new file mode 100644
index 000000000000..46c43f93f7ff
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/Plugins/ObjectFile/COFF/ObjectFileCOFF.h
@@ -0,0 +1,116 @@
+//===-- ObjectFileCOFF.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_OBJECTFILE_COFF_OBJECTFILECOFF_H
+#define LLDB_SOURCE_PLUGINS_OBJECTFILE_COFF_OBJECTFILECOFF_H
+
+#include "lldb/Symbol/ObjectFile.h"
+
+#include "llvm/Object/COFF.h"
+
+/// \class ObjectFileELF
+/// Generic COFF object file reader.
+///
+/// This class provides a generic COFF reader plugin implementing the ObjectFile
+/// protocol.  Assumes that the COFF object format is a Microsoft style COFF
+/// rather than the full generality afforded by it.
+class ObjectFileCOFF : public lldb_private::ObjectFile {
+  std::unique_ptr<llvm::object::COFFObjectFile> m_object;
+  lldb_private::UUID m_uuid;
+
+  ObjectFileCOFF(std::unique_ptr<llvm::object::COFFObjectFile> object,
+                 const lldb::ModuleSP &module_sp, lldb::DataBufferSP data_sp,
+                 lldb::offset_t data_offset, const lldb_private::FileSpec *file,
+                 lldb::offset_t file_offset, lldb::offset_t length)
+    : ObjectFile(module_sp, file, file_offset, length, data_sp, data_offset),
+      m_object(std::move(object)) {}
+
+public:
+  ~ObjectFileCOFF() override;
+
+  static void Initialize();
+  static void Terminate();
+
+  static llvm::StringRef GetPluginNameStatic() { return "COFF"; }
+  static llvm::StringRef GetPluginDescriptionStatic() {
+    return "COFF Object File Reader";
+  }
+
+  static lldb_private::ObjectFile *
+  CreateInstance(const lldb::ModuleSP &module_sp, lldb::DataBufferSP data_sp,
+                 lldb::offset_t data_offset, const lldb_private::FileSpec *file,
+                 lldb::offset_t file_offset, lldb::offset_t length);
+
+  static lldb_private::ObjectFile *
+  CreateMemoryInstance(const lldb::ModuleSP &module_sp,
+                       lldb::WritableDataBufferSP data_sp,
+                       const lldb::ProcessSP &process_sp, lldb::addr_t header);
+
+  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);
+
+  // LLVM RTTI support
+  static char ID;
+  bool isA(const void *ClassID) const override {
+    return ClassID == &ID || ObjectFile::isA(ClassID);
+  }
+  static bool classof(const ObjectFile *obj) { return obj->isA(&ID); }
+
+  // PluginInterface protocol
+  llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
+
+  // ObjectFile protocol
+  void Dump(lldb_private::Stream *stream) override;
+
+  uint32_t GetAddressByteSize() const override;
+
+  uint32_t GetDependentModules(lldb_private::FileSpecList &specs) override {
+    return 0;
+  }
+
+  bool IsExecutable() const override {
+    // COFF is an object file format only, it cannot host an executable.
+    return false;
+  }
+
+  lldb_private::ArchSpec GetArchitecture() override;
+
+  void CreateSections(lldb_private::SectionList &) override;
+
+  void ParseSymtab(lldb_private::Symtab &) override;
+
+  bool IsStripped() override {
+    // FIXME see if there is a good way to identify a /Z7 v /Zi or /ZI build.
+    return false;
+  }
+
+  lldb_private::UUID GetUUID() override { return m_uuid; }
+
+  lldb::ByteOrder GetByteOrder() const override {
+    // Microsoft always uses little endian.
+    return lldb::ByteOrder::eByteOrderLittle;
+  }
+
+  bool ParseHeader() override;
+
+  lldb_private::ObjectFile::Type CalculateType() override {
+    // COFF is an object file format only, it cannot host an executable.
+    return lldb_private::ObjectFile::eTypeObjectFile;
+  }
+
+  lldb_private::ObjectFile::Strata CalculateStrata() override {
+    // FIXME the object file may correspond to a kernel image.
+    return lldb_private::ObjectFile::eStrataUser;
+  }
+};
+
+#endif