1 //===-- SBSymbol.cpp --------------------------------------------*- 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 #include "lldb/API/SBSymbol.h"
11 #include "lldb/API/SBStream.h"
12 #include "lldb/Core/Disassembler.h"
13 #include "lldb/Core/Log.h"
14 #include "lldb/Core/Module.h"
15 #include "lldb/Symbol/Symbol.h"
16 #include "lldb/Target/ExecutionContext.h"
17 #include "lldb/Target/Target.h"
18 
19 using namespace lldb;
20 using namespace lldb_private;
21 
22 SBSymbol::SBSymbol () :
23     m_opaque_ptr (NULL)
24 {
25 }
26 
27 SBSymbol::SBSymbol (lldb_private::Symbol *lldb_object_ptr) :
28     m_opaque_ptr (lldb_object_ptr)
29 {
30 }
31 
32 SBSymbol::SBSymbol (const lldb::SBSymbol &rhs) :
33     m_opaque_ptr (rhs.m_opaque_ptr)
34 {
35 }
36 
37 const SBSymbol &
38 SBSymbol::operator = (const SBSymbol &rhs)
39 {
40     m_opaque_ptr = rhs.m_opaque_ptr;
41     return *this;
42 }
43 
44 SBSymbol::~SBSymbol ()
45 {
46     m_opaque_ptr = NULL;
47 }
48 
49 void
50 SBSymbol::SetSymbol (lldb_private::Symbol *lldb_object_ptr)
51 {
52     m_opaque_ptr = lldb_object_ptr;
53 }
54 
55 bool
56 SBSymbol::IsValid () const
57 {
58     return m_opaque_ptr != NULL;
59 }
60 
61 const char *
62 SBSymbol::GetName() const
63 {
64     const char *name = NULL;
65     if (m_opaque_ptr)
66         name = m_opaque_ptr->GetMangled().GetName().AsCString();
67 
68     LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
69     if (log)
70         log->Printf ("SBSymbol(%p)::GetName () => \"%s\"", m_opaque_ptr, name ? name : "");
71     return name;
72 }
73 
74 const char *
75 SBSymbol::GetMangledName () const
76 {
77     const char *name = NULL;
78     if (m_opaque_ptr)
79         name = m_opaque_ptr->GetMangled().GetMangledName().AsCString();
80     LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
81     if (log)
82         log->Printf ("SBSymbol(%p)::GetMangledName () => \"%s\"", m_opaque_ptr, name ? name : "");
83 
84     return name;
85 }
86 
87 
88 bool
89 SBSymbol::operator == (const SBSymbol &rhs) const
90 {
91     return m_opaque_ptr == rhs.m_opaque_ptr;
92 }
93 
94 bool
95 SBSymbol::operator != (const SBSymbol &rhs) const
96 {
97     return m_opaque_ptr != rhs.m_opaque_ptr;
98 }
99 
100 bool
101 SBSymbol::GetDescription (SBStream &description)
102 {
103     Stream &strm = description.ref();
104 
105     if (m_opaque_ptr)
106     {
107         m_opaque_ptr->GetDescription (&strm,
108                                       lldb::eDescriptionLevelFull, NULL);
109     }
110     else
111         strm.PutCString ("No value");
112 
113     return true;
114 }
115 
116 
117 
118 SBInstructionList
119 SBSymbol::GetInstructions (SBTarget target)
120 {
121     SBInstructionList sb_instructions;
122     if (m_opaque_ptr)
123     {
124         Mutex::Locker api_locker;
125         ExecutionContext exe_ctx;
126         TargetSP target_sp (target.GetSP());
127         if (target_sp)
128         {
129             api_locker.Reset (target_sp->GetAPIMutex().GetMutex());
130             target_sp->CalculateExecutionContext (exe_ctx);
131         }
132         if (m_opaque_ptr->ValueIsAddress())
133         {
134             ModuleSP module_sp (m_opaque_ptr->GetAddress().GetModule());
135             if (module_sp)
136             {
137                 AddressRange symbol_range (m_opaque_ptr->GetAddress(), m_opaque_ptr->GetByteSize());
138                 sb_instructions.SetDisassembler (Disassembler::DisassembleRange (module_sp->GetArchitecture (),
139                                                                                  NULL,
140                                                                                  exe_ctx,
141                                                                                  symbol_range));
142             }
143         }
144     }
145     return sb_instructions;
146 }
147 
148 lldb_private::Symbol *
149 SBSymbol::get ()
150 {
151     return m_opaque_ptr;
152 }
153 
154 void
155 SBSymbol::reset (lldb_private::Symbol *symbol)
156 {
157     m_opaque_ptr = symbol;
158 }
159 
160 SBAddress
161 SBSymbol::GetStartAddress ()
162 {
163     SBAddress addr;
164     if (m_opaque_ptr && m_opaque_ptr->ValueIsAddress())
165     {
166         addr.SetAddress (&m_opaque_ptr->GetAddress());
167     }
168     return addr;
169 }
170 
171 SBAddress
172 SBSymbol::GetEndAddress ()
173 {
174     SBAddress addr;
175     if (m_opaque_ptr && m_opaque_ptr->ValueIsAddress())
176     {
177         lldb::addr_t range_size = m_opaque_ptr->GetByteSize();
178         if (range_size > 0)
179         {
180             addr.SetAddress (&m_opaque_ptr->GetAddress());
181             addr->Slide (m_opaque_ptr->GetByteSize());
182         }
183     }
184     return addr;
185 }
186 
187 uint32_t
188 SBSymbol::GetPrologueByteSize ()
189 {
190     if (m_opaque_ptr)
191         return m_opaque_ptr->GetPrologueByteSize();
192     return 0;
193 }
194 
195 SymbolType
196 SBSymbol::GetType ()
197 {
198     if (m_opaque_ptr)
199         return m_opaque_ptr->GetType();
200     return eSymbolTypeInvalid;
201 }
202