contrib/llvm/tools/lldb/include/lldb/Breakpoint/BreakpointResolverAddress.h

   1 //===-- BreakpointResolverAddress.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_BreakpointResolverAddress_h_
  11 #define liblldb_BreakpointResolverAddress_h_
  12
  13 // C Includes
  14 // C++ Includes
  15 // Other libraries and framework includes
  16 // Project includes
  17 #include "lldb/Breakpoint/BreakpointResolver.h"
  18 #include "lldb/Core/ModuleSpec.h"
  19
  20 namespace lldb_private {
  21
  22 //----------------------------------------------------------------------
  23 /// @class BreakpointResolverAddress BreakpointResolverAddress.h
  24 /// "lldb/Breakpoint/BreakpointResolverAddress.h"
  25 /// @brief This class sets breakpoints on a given Address.  This breakpoint only
  26 /// takes
  27 /// once, and then it won't attempt to reset itself.
  28 //----------------------------------------------------------------------
  29
  30 class BreakpointResolverAddress : public BreakpointResolver {
  31 public:
  32   BreakpointResolverAddress(Breakpoint *bkpt, const Address &addr);
  33
  34   BreakpointResolverAddress(Breakpoint *bkpt, const Address &addr,
  35                             const FileSpec &module_spec);
  36
  37   ~BreakpointResolverAddress() override;
  38
  39   static BreakpointResolver *
  40   CreateFromStructuredData(Breakpoint *bkpt,
  41                            const StructuredData::Dictionary &options_dict,
  42                            Status &error);
  43
  44   StructuredData::ObjectSP SerializeToStructuredData() override;
  45
  46   void ResolveBreakpoint(SearchFilter &filter) override;
  47
  48   void ResolveBreakpointInModules(SearchFilter &filter,
  49                                   ModuleList &modules) override;
  50
  51   Searcher::CallbackReturn SearchCallback(SearchFilter &filter,
  52                                           SymbolContext &context, Address *addr,
  53                                           bool containing) override;
  54
  55   Searcher::Depth GetDepth() override;
  56
  57   void GetDescription(Stream *s) override;
  58
  59   void Dump(Stream *s) const override;
  60
  61   /// Methods for support type inquiry through isa, cast, and dyn_cast:
  62   static inline bool classof(const BreakpointResolverAddress *) { return true; }
  63   static inline bool classof(const BreakpointResolver *V) {
  64     return V->getResolverID() == BreakpointResolver::AddressResolver;
  65   }
  66
  67   lldb::BreakpointResolverSP CopyForBreakpoint(Breakpoint &breakpoint) override;
  68
  69 protected:
  70   Address
  71       m_addr; // The address - may be Section Offset or may be just an offset
  72   lldb::addr_t m_resolved_addr; // The current value of the resolved load
  73                                 // address for this breakpoint,
  74   FileSpec m_module_filespec;   // If this filespec is Valid, and m_addr is an
  75                                 // offset, then it will be converted
  76   // to a Section+Offset address in this module, whenever that module gets
  77   // around to
  78   // being loaded.
  79 private:
  80   DISALLOW_COPY_AND_ASSIGN(BreakpointResolverAddress);
  81 };
  82
  83 } // namespace lldb_private
  84
  85 #endif // liblldb_BreakpointResolverAddress_h_