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,
45                                           Address *addr) 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:
classof(const BreakpointResolverAddress *)54   static inline bool classof(const BreakpointResolverAddress *) { return true; }
classof(const BreakpointResolver * V)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_
77