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