[Lldb-commits] [lldb] [lldb][AIX] Added XCOFF Object File Header for AIX (PR #111814)

[Pavel Labath via lldb-commits]

================
@@ -0,0 +1,116 @@
+//===-- ObjectFileXCOFF.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_XCOFF_OBJECTFILEXCOFF_H
+#define LLDB_SOURCE_PLUGINS_OBJECTFILE_XCOFF_OBJECTFILEXCOFF_H
+
+#include <cstdint>
+
+#include <vector>
+
+#include "lldb/Symbol/ObjectFile.h"
+#include "lldb/Utility/ArchSpec.h"
+#include "lldb/Utility/FileSpec.h"
+#include "lldb/Utility/UUID.h"
+#include "lldb/lldb-private.h"
+#include "llvm/Object/XCOFFObjectFile.h"
+
+/// \class ObjectFileXCOFF
+/// Generic XCOFF object file reader.
+///
+/// This class provides a generic XCOFF (32/64 bit) reader plugin implementing
+/// the ObjectFile protocol.
+class ObjectFileXCOFF : public lldb_private::ObjectFile {
+public:
+  // Static Functions
+  static void Initialize();
+
+  static void Terminate();
+
+  static llvm::StringRef GetPluginNameStatic() { return "xcoff"; }
+
+  static llvm::StringRef GetPluginDescriptionStatic() {
+    return "XCOFF 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_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(lldb::DataBufferSP &data_sp, lldb::addr_t offset,
+                              lldb::addr_t length);
+
+  static lldb::SymbolType MapSymbolType(llvm::object::SymbolRef::Type sym_type);
+
+  // PluginInterface protocol
+  llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
+
+  // ObjectFile Protocol.
+  bool ParseHeader() override;
+
+  lldb::ByteOrder GetByteOrder() const override;
+
+  bool IsExecutable() const override;
+
+  uint32_t GetAddressByteSize() const override;
+
+  void ParseSymtab(lldb_private::Symtab &symtab) override;
+
+  bool IsStripped() override;
+
+  void CreateSections(lldb_private::SectionList &unified_section_list) override;
+
+  void Dump(lldb_private::Stream *s) override;
+
+  lldb_private::ArchSpec GetArchitecture() override;
+
+  lldb_private::UUID GetUUID() override;
+
+  uint32_t GetDependentModules(lldb_private::FileSpecList &files) override;
+
+  ObjectFile::Type CalculateType() override;
+
+  ObjectFile::Strata CalculateStrata() override;
+
+  ObjectFileXCOFF(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);
+
+  ObjectFileXCOFF(const lldb::ModuleSP &module_sp,
+                  lldb::DataBufferSP header_data_sp,
+                  const lldb::ProcessSP &process_sp, lldb::addr_t header_addr);
+
+protected:
+  static lldb::WritableDataBufferSP
+  MapFileDataWritable(const lldb_private::FileSpec &file, uint64_t Size,
+                      uint64_t Offset);
+
+  uint32_t ParseDependentModules();
+
+private:
+  std::unique_ptr<llvm::object::XCOFFObjectFile> m_binary;
+  lldb_private::Address m_entry_point_address;
+  std::optional<lldb_private::FileSpecList> m_deps_filespec;
+  std::map<std::string, std::vector<std::string>> m_deps_base_members;
----------------
labath wrote:

unused, please remove for now.

https://github.com/llvm/llvm-project/pull/111814