xref: /openbsd-src/gnu/llvm/lldb/source/Plugins/ObjectContainer/Universal-Mach-O/ObjectContainerUniversalMachO.h (revision f6aab3d83b51b91c24247ad2c2573574de475a82)

//===-- ObjectContainerUniversalMachO.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_UNIVERSAL_MACH_O_OBJECTCONTAINERUNIVERSALMACHO_H
#define LLDB_SOURCE_PLUGINS_OBJECTCONTAINER_UNIVERSAL_MACH_O_OBJECTCONTAINERUNIVERSALMACHO_H

#include "lldb/Host/SafeMachO.h"
#include "lldb/Symbol/ObjectContainer.h"
#include "lldb/Utility/FileSpec.h"

class ObjectContainerUniversalMachO : public lldb_private::ObjectContainer {
public:
  ObjectContainerUniversalMachO(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);

  ~ObjectContainerUniversalMachO() override;

  // Static Functions
  static void Initialize();

  static void Terminate();

  static llvm::StringRef GetPluginNameStatic() { return "mach-o"; }

  static llvm::StringRef GetPluginDescriptionStatic() {
    return "Universal mach-o object 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 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);

  // Member Functions
  bool ParseHeader() override;

  size_t GetNumArchitectures() const override;

  bool GetArchitectureAtIndex(uint32_t cpu_idx,
                              lldb_private::ArchSpec &arch) const override;

  lldb::ObjectFileSP GetObjectFile(const lldb_private::FileSpec *file) override;

  // PluginInterface protocol
  llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }

protected:
  llvm::MachO::fat_header m_header;
  std::vector<llvm::MachO::fat_arch> m_fat_archs;

  static bool ParseHeader(lldb_private::DataExtractor &data,
                          llvm::MachO::fat_header &header,
                          std::vector<llvm::MachO::fat_arch> &fat_archs);
};

#endif // LLDB_SOURCE_PLUGINS_OBJECTCONTAINER_UNIVERSAL_MACH_O_OBJECTCONTAINERUNIVERSALMACHO_H