source/Plugins/LanguageRuntime/CPlusPlus/ItaniumABI/ItaniumABILanguageRuntime.h

   1 //===-- ItaniumABILanguageRuntime.h -----------------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #ifndef liblldb_ItaniumABILanguageRuntime_h_
  11 #define liblldb_ItaniumABILanguageRuntime_h_
  12
  13 // C Includes
  14 // C++ Includes
  15 #include <map>
  16 #include <mutex>
  17 #include <vector>
  18
  19 // Other libraries and framework includes
  20 // Project includes
  21 #include "lldb/Breakpoint/BreakpointResolver.h"
  22 #include "lldb/Core/Value.h"
  23 #include "lldb/Symbol/Type.h"
  24 #include "lldb/Target/CPPLanguageRuntime.h"
  25 #include "lldb/Target/LanguageRuntime.h"
  26 #include "lldb/lldb-private.h"
  27
  28 namespace lldb_private {
  29
  30 class ItaniumABILanguageRuntime : public lldb_private::CPPLanguageRuntime {
  31 public:
  32   ~ItaniumABILanguageRuntime() override = default;
  33
  34   //------------------------------------------------------------------
  35   // Static Functions
  36   //------------------------------------------------------------------
  37   static void Initialize();
  38
  39   static void Terminate();
  40
  41   static lldb_private::LanguageRuntime *
  42   CreateInstance(Process *process, lldb::LanguageType language);
  43
  44   static lldb_private::ConstString GetPluginNameStatic();
  45
  46   bool IsVTableName(const char *name) override;
  47
  48   bool GetDynamicTypeAndAddress(ValueObject &in_value,
  49                                 lldb::DynamicValueType use_dynamic,
  50                                 TypeAndOrName &class_type_or_name,
  51                                 Address &address,
  52                                 Value::ValueType &value_type) override;
  53
  54   TypeAndOrName FixUpDynamicType(const TypeAndOrName &type_and_or_name,
  55                                  ValueObject &static_value) override;
  56
  57   bool CouldHaveDynamicValue(ValueObject &in_value) override;
  58
  59   void SetExceptionBreakpoints() override;
  60
  61   void ClearExceptionBreakpoints() override;
  62
  63   bool ExceptionBreakpointsAreSet() override;
  64
  65   bool ExceptionBreakpointsExplainStop(lldb::StopInfoSP stop_reason) override;
  66
  67   lldb::BreakpointResolverSP CreateExceptionResolver(Breakpoint *bkpt,
  68                                                      bool catch_bp,
  69                                                      bool throw_bp) override;
  70
  71   lldb::SearchFilterSP CreateExceptionSearchFilter() override;
  72
  73   //------------------------------------------------------------------
  74   // PluginInterface protocol
  75   //------------------------------------------------------------------
  76   lldb_private::ConstString GetPluginName() override;
  77
  78   uint32_t GetPluginVersion() override;
  79
  80 protected:
  81   lldb::BreakpointResolverSP CreateExceptionResolver(Breakpoint *bkpt,
  82                                                      bool catch_bp,
  83                                                      bool throw_bp,
  84                                                      bool for_expressions);
  85
  86   lldb::BreakpointSP CreateExceptionBreakpoint(bool catch_bp, bool throw_bp,
  87                                                bool for_expressions,
  88                                                bool is_internal);
  89
  90 private:
  91   typedef std::map<lldb_private::Address, TypeAndOrName> DynamicTypeCache;
  92
  93   ItaniumABILanguageRuntime(Process *process)
  94       : // Call CreateInstance instead.
  95         lldb_private::CPPLanguageRuntime(process),
  96         m_cxx_exception_bp_sp(), m_dynamic_type_map(),
  97         m_dynamic_type_map_mutex() {}
  98
  99   lldb::BreakpointSP m_cxx_exception_bp_sp;
 100   DynamicTypeCache m_dynamic_type_map;
 101   std::mutex m_dynamic_type_map_mutex;
 102
 103   TypeAndOrName GetTypeInfoFromVTableAddress(ValueObject &in_value,
 104                                              lldb::addr_t original_ptr,
 105                                              lldb::addr_t vtable_addr);
 106
 107   TypeAndOrName GetDynamicTypeInfo(const lldb_private::Address &vtable_addr);
 108
 109   void SetDynamicTypeInfo(const lldb_private::Address &vtable_addr,
 110                           const TypeAndOrName &type_info);
 111 };
 112
 113 } // namespace lldb_private
 114
 115 #endif // liblldb_ItaniumABILanguageRuntime_h_