| //===-- Materializer.h ------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef liblldb_Materializer_h |
| #define liblldb_Materializer_h |
| |
| // C Includes |
| // C++ Includes |
| #include <memory> |
| #include <vector> |
| |
| // Other libraries and framework includes |
| // Project includes |
| #include "lldb/Expression/IRMemoryMap.h" |
| #include "lldb/Symbol/TaggedASTType.h" |
| #include "lldb/Target/StackFrame.h" |
| #include "lldb/Utility/Status.h" |
| #include "lldb/lldb-private-types.h" |
| |
| namespace lldb_private { |
| |
| class Materializer { |
| public: |
| Materializer(); |
| ~Materializer(); |
| |
| class Dematerializer { |
| public: |
| Dematerializer() |
| : m_materializer(nullptr), m_map(nullptr), |
| m_process_address(LLDB_INVALID_ADDRESS) {} |
| |
| ~Dematerializer() { Wipe(); } |
| |
| void Dematerialize(Status &err, lldb::addr_t frame_top, |
| lldb::addr_t frame_bottom); |
| |
| void Wipe(); |
| |
| bool IsValid() { |
| return m_materializer && m_map && |
| (m_process_address != LLDB_INVALID_ADDRESS); |
| } |
| |
| private: |
| friend class Materializer; |
| |
| Dematerializer(Materializer &materializer, lldb::StackFrameSP &frame_sp, |
| IRMemoryMap &map, lldb::addr_t process_address) |
| : m_materializer(&materializer), m_map(&map), |
| m_process_address(process_address) { |
| if (frame_sp) { |
| m_thread_wp = frame_sp->GetThread(); |
| m_stack_id = frame_sp->GetStackID(); |
| } |
| } |
| |
| Materializer *m_materializer; |
| lldb::ThreadWP m_thread_wp; |
| StackID m_stack_id; |
| IRMemoryMap *m_map; |
| lldb::addr_t m_process_address; |
| }; |
| |
| typedef std::shared_ptr<Dematerializer> DematerializerSP; |
| typedef std::weak_ptr<Dematerializer> DematerializerWP; |
| |
| DematerializerSP Materialize(lldb::StackFrameSP &frame_sp, IRMemoryMap &map, |
| lldb::addr_t process_address, Status &err); |
| |
| class PersistentVariableDelegate { |
| public: |
| virtual ~PersistentVariableDelegate(); |
| virtual ConstString GetName() = 0; |
| virtual void DidDematerialize(lldb::ExpressionVariableSP &variable) = 0; |
| }; |
| |
| uint32_t |
| AddPersistentVariable(lldb::ExpressionVariableSP &persistent_variable_sp, |
| PersistentVariableDelegate *delegate, Status &err); |
| uint32_t AddVariable(lldb::VariableSP &variable_sp, Status &err); |
| uint32_t AddResultVariable(const CompilerType &type, bool is_lvalue, |
| bool keep_in_memory, |
| PersistentVariableDelegate *delegate, Status &err); |
| uint32_t AddSymbol(const Symbol &symbol_sp, Status &err); |
| uint32_t AddRegister(const RegisterInfo ®ister_info, Status &err); |
| |
| uint32_t GetStructAlignment() { return m_struct_alignment; } |
| |
| uint32_t GetStructByteSize() { return m_current_offset; } |
| |
| class Entity { |
| public: |
| Entity() : m_alignment(1), m_size(0), m_offset(0) {} |
| |
| virtual ~Entity() = default; |
| |
| virtual void Materialize(lldb::StackFrameSP &frame_sp, IRMemoryMap &map, |
| lldb::addr_t process_address, Status &err) = 0; |
| virtual void Dematerialize(lldb::StackFrameSP &frame_sp, IRMemoryMap &map, |
| lldb::addr_t process_address, |
| lldb::addr_t frame_top, |
| lldb::addr_t frame_bottom, Status &err) = 0; |
| virtual void DumpToLog(IRMemoryMap &map, lldb::addr_t process_address, |
| Log *log) = 0; |
| virtual void Wipe(IRMemoryMap &map, lldb::addr_t process_address) = 0; |
| |
| uint32_t GetAlignment() { return m_alignment; } |
| |
| uint32_t GetSize() { return m_size; } |
| |
| uint32_t GetOffset() { return m_offset; } |
| |
| void SetOffset(uint32_t offset) { m_offset = offset; } |
| |
| protected: |
| void SetSizeAndAlignmentFromType(CompilerType &type); |
| |
| uint32_t m_alignment; |
| uint32_t m_size; |
| uint32_t m_offset; |
| }; |
| |
| private: |
| uint32_t AddStructMember(Entity &entity); |
| |
| typedef std::unique_ptr<Entity> EntityUP; |
| typedef std::vector<EntityUP> EntityVector; |
| |
| DematerializerWP m_dematerializer_wp; |
| EntityVector m_entities; |
| uint32_t m_current_offset; |
| uint32_t m_struct_alignment; |
| }; |
| |
| } // namespace lldb_private |
| |
| #endif // liblldb_Materializer_h |