xref: /freebsd/contrib/llvm-project/lldb/include/lldb/API/SBAddress.h (revision 069ac18495ad8fde2748bc94b0f80a50250bb01d)
1 //===-- SBAddress.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 LLDB_API_SBADDRESS_H
10 #define LLDB_API_SBADDRESS_H
11 
12 #include "lldb/API/SBDefines.h"
13 #include "lldb/API/SBModule.h"
14 
15 namespace lldb {
16 
17 class LLDB_API SBAddress {
18 public:
19   SBAddress();
20 
21   SBAddress(const lldb::SBAddress &rhs);
22 
23   SBAddress(lldb::SBSection section, lldb::addr_t offset);
24 
25   // Create an address by resolving a load address using the supplied target
26   SBAddress(lldb::addr_t load_addr, lldb::SBTarget &target);
27 
28   ~SBAddress();
29 
30   const lldb::SBAddress &operator=(const lldb::SBAddress &rhs);
31 
32   explicit operator bool() const;
33 
34   // operator== is a free function
35 
36   bool operator!=(const SBAddress &rhs) const;
37 
38   bool IsValid() const;
39 
40   void Clear();
41 
42   addr_t GetFileAddress() const;
43 
44   addr_t GetLoadAddress(const lldb::SBTarget &target) const;
45 
46   void SetAddress(lldb::SBSection section, lldb::addr_t offset);
47 
48   void SetLoadAddress(lldb::addr_t load_addr, lldb::SBTarget &target);
49   bool OffsetAddress(addr_t offset);
50 
51   bool GetDescription(lldb::SBStream &description);
52 
53   // The following queries can lookup symbol information for a given address.
54   // An address might refer to code or data from an existing module, or it
55   // might refer to something on the stack or heap. The following functions
56   // will only return valid values if the address has been resolved to a code
57   // or data address using "void SBAddress::SetLoadAddress(...)" or
58   // "lldb::SBAddress SBTarget::ResolveLoadAddress (...)".
59   lldb::SBSymbolContext GetSymbolContext(uint32_t resolve_scope);
60 
61   // The following functions grab individual objects for a given address and
62   // are less efficient if you want more than one symbol related objects. Use
63   // one of the following when you want multiple debug symbol related objects
64   // for an address:
65   //    lldb::SBSymbolContext SBAddress::GetSymbolContext (uint32_t
66   //    resolve_scope);
67   //    lldb::SBSymbolContext SBTarget::ResolveSymbolContextForAddress (const
68   //    SBAddress &addr, uint32_t resolve_scope);
69   // One or more bits from the SymbolContextItem enumerations can be logically
70   // OR'ed together to more efficiently retrieve multiple symbol objects.
71 
72   lldb::SBSection GetSection();
73 
74   lldb::addr_t GetOffset();
75 
76   lldb::SBModule GetModule();
77 
78   lldb::SBCompileUnit GetCompileUnit();
79 
80   lldb::SBFunction GetFunction();
81 
82   lldb::SBBlock GetBlock();
83 
84   lldb::SBSymbol GetSymbol();
85 
86   lldb::SBLineEntry GetLineEntry();
87 
88 protected:
89   friend class SBBlock;
90   friend class SBBreakpoint;
91   friend class SBBreakpointLocation;
92   friend class SBFrame;
93   friend class SBFunction;
94   friend class SBLineEntry;
95   friend class SBInstruction;
96   friend class SBModule;
97   friend class SBSection;
98   friend class SBSymbol;
99   friend class SBSymbolContext;
100   friend class SBTarget;
101   friend class SBThread;
102   friend class SBThreadPlan;
103   friend class SBValue;
104   friend class SBQueueItem;
105 
106   lldb_private::Address *operator->();
107 
108   const lldb_private::Address *operator->() const;
109 
110 #ifndef SWIG
111   friend bool LLDB_API operator==(const SBAddress &lhs, const SBAddress &rhs);
112 #endif
113 
114   lldb_private::Address *get();
115 
116   lldb_private::Address &ref();
117 
118   const lldb_private::Address &ref() const;
119 
120   SBAddress(const lldb_private::Address &address);
121 
122   void SetAddress(const lldb_private::Address &address);
123 
124 private:
125   std::unique_ptr<lldb_private::Address> m_opaque_up;
126 };
127 
128 #ifndef SWIG
129 bool LLDB_API operator==(const SBAddress &lhs, const SBAddress &rhs);
130 #endif
131 
132 } // namespace lldb
133 
134 #endif // LLDB_API_SBADDRESS_H
135