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

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