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
15namespace 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
22class BreakpointResolverAddress : public BreakpointResolver {
23public:
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:
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
61protected:
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.
70private:
71  DISALLOW_COPY_AND_ASSIGN(BreakpointResolverAddress);
72};
73
74} // namespace lldb_private
75
76#endif // liblldb_BreakpointResolverAddress_h_
77