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