108 lines
3.9 KiB
C++
108 lines
3.9 KiB
C++
//===-- ObjectContainerUniversalMachO.h -------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_SOURCE_PLUGINS_OBJECTCONTAINER_UNIVERSAL_MACH_O_OBJECTCONTAINERUNIVERSALMACHO_H
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#define LLDB_SOURCE_PLUGINS_OBJECTCONTAINER_UNIVERSAL_MACH_O_OBJECTCONTAINERUNIVERSALMACHO_H
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#include "lldb/Host/SafeMachO.h"
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#include "lldb/Symbol/ObjectContainer.h"
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#include "lldb/Utility/FileSpec.h"
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class ObjectContainerUniversalMachO : public lldb_private::ObjectContainer {
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public:
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ObjectContainerUniversalMachO(const lldb::ModuleSP &module_sp,
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lldb::DataBufferSP &data_sp,
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lldb::offset_t data_offset,
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const lldb_private::FileSpec *file,
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lldb::offset_t offset, lldb::offset_t length);
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~ObjectContainerUniversalMachO() override;
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// Static Functions
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static void Initialize();
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static void Terminate();
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static llvm::StringRef GetPluginNameStatic() { return "mach-o"; }
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static llvm::StringRef GetPluginDescriptionStatic() {
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return "Universal mach-o object container reader.";
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}
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static lldb_private::ObjectContainer *
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CreateInstance(const lldb::ModuleSP &module_sp, lldb::DataBufferSP &data_sp,
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lldb::offset_t data_offset, const lldb_private::FileSpec *file,
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lldb::offset_t offset, lldb::offset_t length);
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static size_t GetModuleSpecifications(const lldb_private::FileSpec &file,
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lldb::DataBufferSP &data_sp,
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lldb::offset_t data_offset,
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lldb::offset_t file_offset,
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lldb::offset_t length,
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lldb_private::ModuleSpecList &specs);
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static bool MagicBytesMatch(const lldb_private::DataExtractor &data);
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// Member Functions
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bool ParseHeader() override;
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size_t GetNumArchitectures() const override;
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bool GetArchitectureAtIndex(uint32_t cpu_idx,
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lldb_private::ArchSpec &arch) const override;
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lldb::ObjectFileSP GetObjectFile(const lldb_private::FileSpec *file) override;
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// PluginInterface protocol
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llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
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protected:
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llvm::MachO::fat_header m_header;
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struct FatArch {
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FatArch(llvm::MachO::fat_arch arch) : m_arch(arch), m_is_fat64(false) {}
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FatArch(llvm::MachO::fat_arch_64 arch) : m_arch(arch), m_is_fat64(true) {}
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uint32_t GetCPUType() const {
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return m_is_fat64 ? m_arch.fat_arch_64.cputype : m_arch.fat_arch.cputype;
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}
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uint32_t GetCPUSubType() const {
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return m_is_fat64 ? m_arch.fat_arch_64.cpusubtype
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: m_arch.fat_arch.cpusubtype;
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}
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uint64_t GetOffset() const {
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return m_is_fat64 ? m_arch.fat_arch_64.offset : m_arch.fat_arch.offset;
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}
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uint64_t GetSize() const {
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return m_is_fat64 ? m_arch.fat_arch_64.size : m_arch.fat_arch.size;
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}
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uint32_t GetAlign() const {
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return m_is_fat64 ? m_arch.fat_arch_64.align : m_arch.fat_arch.align;
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}
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private:
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const union Arch {
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Arch(llvm::MachO::fat_arch arch) : fat_arch(arch) {}
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Arch(llvm::MachO::fat_arch_64 arch) : fat_arch_64(arch) {}
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llvm::MachO::fat_arch fat_arch;
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llvm::MachO::fat_arch_64 fat_arch_64;
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} m_arch;
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const bool m_is_fat64;
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};
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std::vector<FatArch> m_fat_archs;
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static bool ParseHeader(lldb_private::DataExtractor &data,
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llvm::MachO::fat_header &header,
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std::vector<FatArch> &fat_archs);
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};
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#endif // LLDB_SOURCE_PLUGINS_OBJECTCONTAINER_UNIVERSAL_MACH_O_OBJECTCONTAINERUNIVERSALMACHO_H
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