contrib/llvm/tools/lldb/source/Plugins/JITLoader/GDB/JITLoaderGDB.h

   1 //===-- JITLoaderGDB.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-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef liblldb_JITLoaderGDB_h_
  10 #define liblldb_JITLoaderGDB_h_
  11
  12 #include <map>
  13
  14 #include "lldb/Target/JITLoader.h"
  15 #include "lldb/Target/Process.h"
  16
  17 class JITLoaderGDB : public lldb_private::JITLoader {
  18 public:
  19   JITLoaderGDB(lldb_private::Process *process);
  20
  21   ~JITLoaderGDB() override;
  22
  23   // Static Functions
  24   static void Initialize();
  25
  26   static void Terminate();
  27
  28   static lldb_private::ConstString GetPluginNameStatic();
  29
  30   static const char *GetPluginDescriptionStatic();
  31
  32   static lldb::JITLoaderSP CreateInstance(lldb_private::Process *process,
  33                                           bool force);
  34
  35   static void DebuggerInitialize(lldb_private::Debugger &debugger);
  36
  37   // PluginInterface protocol
  38   lldb_private::ConstString GetPluginName() override;
  39
  40   uint32_t GetPluginVersion() override;
  41
  42   // JITLoader interface
  43   void DidAttach() override;
  44
  45   void DidLaunch() override;
  46
  47   void ModulesDidLoad(lldb_private::ModuleList &module_list) override;
  48
  49 private:
  50   lldb::addr_t GetSymbolAddress(lldb_private::ModuleList &module_list,
  51                                 lldb_private::ConstString name,
  52                                 lldb::SymbolType symbol_type) const;
  53
  54   void SetJITBreakpoint(lldb_private::ModuleList &module_list);
  55
  56   bool DidSetJITBreakpoint() const;
  57
  58   bool ReadJITDescriptor(bool all_entries);
  59
  60   template <typename ptr_t> bool ReadJITDescriptorImpl(bool all_entries);
  61
  62   static bool
  63   JITDebugBreakpointHit(void *baton,
  64                         lldb_private::StoppointCallbackContext *context,
  65                         lldb::user_id_t break_id, lldb::user_id_t break_loc_id);
  66
  67   static void ProcessStateChangedCallback(void *baton,
  68                                           lldb_private::Process *process,
  69                                           lldb::StateType state);
  70
  71   // A collection of in-memory jitted object addresses and their corresponding
  72   // modules
  73   typedef std::map<lldb::addr_t, const lldb::ModuleSP> JITObjectMap;
  74   JITObjectMap m_jit_objects;
  75
  76   lldb::user_id_t m_jit_break_id;
  77   lldb::addr_t m_jit_descriptor_addr;
  78 };
  79
  80 #endif // liblldb_JITLoaderGDB_h_