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:
classof(const BreakpointResolverAddress *)57   static inline bool classof(const BreakpointResolverAddress *) { return true; }
classof(const BreakpointResolver * V)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_
80