contrib/llvm/tools/lldb/source/Plugins/Process/Utility/StopInfoMachException.h

   1 //===-- StopInfoMachException.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_StopInfoMachException_h_
  11 #define liblldb_StopInfoMachException_h_
  12
  13 // C Includes
  14 // C++ Includes
  15 #include <string>
  16
  17 // Other libraries and framework includes
  18 // Project includes
  19 #include "lldb/Target/StopInfo.h"
  20
  21 namespace lldb_private {
  22
  23 class StopInfoMachException : public StopInfo
  24 {
  25 public:
  26     //------------------------------------------------------------------
  27     // Constructors and Destructors
  28     //------------------------------------------------------------------
  29     StopInfoMachException (Thread &thread,
  30                            uint32_t exc_type,
  31                            uint32_t exc_data_count,
  32                            uint64_t exc_code,
  33                            uint64_t exc_subcode) :
  34         StopInfo (thread, exc_type),
  35         m_exc_data_count (exc_data_count),
  36         m_exc_code (exc_code),
  37         m_exc_subcode (exc_subcode)
  38     {
  39     }
  40
  41     ~StopInfoMachException() override = default;
  42
  43     lldb::StopReason
  44     GetStopReason() const override
  45     {
  46         return lldb::eStopReasonException;
  47     }
  48
  49     const char *
  50     GetDescription() override;
  51
  52     // Since some mach exceptions will be reported as breakpoints, signals,
  53     // or trace, we use this static accessor which will translate the mach
  54     // exception into the correct StopInfo.
  55     static lldb::StopInfoSP
  56     CreateStopReasonWithMachException (Thread &thread,
  57                                        uint32_t exc_type,
  58                                        uint32_t exc_data_count,
  59                                        uint64_t exc_code,
  60                                        uint64_t exc_sub_code,
  61                                        uint64_t exc_sub_sub_code,
  62                                        bool pc_already_adjusted = true,
  63                                        bool adjust_pc_if_needed = false);
  64
  65 protected:
  66     uint32_t m_exc_data_count;
  67     uint64_t m_exc_code;
  68     uint64_t m_exc_subcode;
  69 };
  70
  71 } // namespace lldb_private
  72
  73 #endif // liblldb_StopInfoMachException_h_