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1//===-- ObjectContainerUniversalMachO.h -------------------------*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLDB_SOURCE_PLUGINS_OBJECTCONTAINER_UNIVERSAL_MACH_O_OBJECTCONTAINERUNIVERSALMACHO_H10#define LLDB_SOURCE_PLUGINS_OBJECTCONTAINER_UNIVERSAL_MACH_O_OBJECTCONTAINERUNIVERSALMACHO_H11 12#include "lldb/Host/SafeMachO.h"13#include "lldb/Symbol/ObjectContainer.h"14#include "lldb/Utility/FileSpec.h"15 16class ObjectContainerUniversalMachO : public lldb_private::ObjectContainer {17public:18 ObjectContainerUniversalMachO(const lldb::ModuleSP &module_sp,19 lldb::DataBufferSP &data_sp,20 lldb::offset_t data_offset,21 const lldb_private::FileSpec *file,22 lldb::offset_t offset, lldb::offset_t length);23 24 ~ObjectContainerUniversalMachO() override;25 26 // Static Functions27 static void Initialize();28 29 static void Terminate();30 31 static llvm::StringRef GetPluginNameStatic() { return "mach-o"; }32 33 static llvm::StringRef GetPluginDescriptionStatic() {34 return "Universal mach-o object container reader.";35 }36 37 static lldb_private::ObjectContainer *38 CreateInstance(const lldb::ModuleSP &module_sp, lldb::DataBufferSP &data_sp,39 lldb::offset_t data_offset, const lldb_private::FileSpec *file,40 lldb::offset_t offset, lldb::offset_t length);41 42 static size_t GetModuleSpecifications(const lldb_private::FileSpec &file,43 lldb::DataBufferSP &data_sp,44 lldb::offset_t data_offset,45 lldb::offset_t file_offset,46 lldb::offset_t length,47 lldb_private::ModuleSpecList &specs);48 49 static bool MagicBytesMatch(const lldb_private::DataExtractor &data);50 51 // Member Functions52 bool ParseHeader() override;53 54 size_t GetNumArchitectures() const override;55 56 bool GetArchitectureAtIndex(uint32_t cpu_idx,57 lldb_private::ArchSpec &arch) const override;58 59 lldb::ObjectFileSP GetObjectFile(const lldb_private::FileSpec *file) override;60 61 // PluginInterface protocol62 llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }63 64protected:65 llvm::MachO::fat_header m_header;66 67 struct FatArch {68 FatArch(llvm::MachO::fat_arch arch) : m_arch(arch), m_is_fat64(false) {}69 FatArch(llvm::MachO::fat_arch_64 arch) : m_arch(arch), m_is_fat64(true) {}70 71 uint32_t GetCPUType() const {72 return m_is_fat64 ? m_arch.fat_arch_64.cputype : m_arch.fat_arch.cputype;73 }74 75 uint32_t GetCPUSubType() const {76 return m_is_fat64 ? m_arch.fat_arch_64.cpusubtype77 : m_arch.fat_arch.cpusubtype;78 }79 80 uint64_t GetOffset() const {81 return m_is_fat64 ? m_arch.fat_arch_64.offset : m_arch.fat_arch.offset;82 }83 84 uint64_t GetSize() const {85 return m_is_fat64 ? m_arch.fat_arch_64.size : m_arch.fat_arch.size;86 }87 88 uint32_t GetAlign() const {89 return m_is_fat64 ? m_arch.fat_arch_64.align : m_arch.fat_arch.align;90 }91 92 private:93 const union Arch {94 Arch(llvm::MachO::fat_arch arch) : fat_arch(arch) {}95 Arch(llvm::MachO::fat_arch_64 arch) : fat_arch_64(arch) {}96 llvm::MachO::fat_arch fat_arch;97 llvm::MachO::fat_arch_64 fat_arch_64;98 } m_arch;99 const bool m_is_fat64;100 };101 std::vector<FatArch> m_fat_archs;102 103 static bool ParseHeader(lldb_private::DataExtractor &data,104 llvm::MachO::fat_header &header,105 std::vector<FatArch> &fat_archs);106};107 108#endif // LLDB_SOURCE_PLUGINS_OBJECTCONTAINER_UNIVERSAL_MACH_O_OBJECTCONTAINERUNIVERSALMACHO_H109