1 //===-- SBFunction.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/SBFunction.h"
11 #include "lldb/API/SBProcess.h"
12 #include "lldb/API/SBStream.h"
13 #include "lldb/Core/Disassembler.h"
14 #include "lldb/Core/Log.h"
15 #include "lldb/Core/Module.h"
16 #include "lldb/Symbol/CompileUnit.h"
17 #include "lldb/Symbol/Function.h"
18 #include "lldb/Symbol/Type.h"
19 #include "lldb/Target/ExecutionContext.h"
20 #include "lldb/Target/Target.h"
21 
22 using namespace lldb;
23 using namespace lldb_private;
24 
25 SBFunction::SBFunction () :
26     m_opaque_ptr (NULL)
27 {
28 }
29 
30 SBFunction::SBFunction (lldb_private::Function *lldb_object_ptr) :
31     m_opaque_ptr (lldb_object_ptr)
32 {
33 }
34 
35 SBFunction::SBFunction (const lldb::SBFunction &rhs) :
36     m_opaque_ptr (rhs.m_opaque_ptr)
37 {
38 }
39 
40 const SBFunction &
41 SBFunction::operator = (const SBFunction &rhs)
42 {
43     m_opaque_ptr = rhs.m_opaque_ptr;
44     return *this;
45 }
46 
47 SBFunction::~SBFunction ()
48 {
49     m_opaque_ptr = NULL;
50 }
51 
52 bool
53 SBFunction::IsValid () const
54 {
55     return m_opaque_ptr != NULL;
56 }
57 
58 const char *
59 SBFunction::GetName() const
60 {
61     const char *cstr = NULL;
62     if (m_opaque_ptr)
63         cstr = m_opaque_ptr->GetMangled().GetName().AsCString();
64 
65     LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
66     if (log)
67     {
68         if (cstr)
69             log->Printf ("SBFunction(%p)::GetName () => \"%s\"", m_opaque_ptr, cstr);
70         else
71             log->Printf ("SBFunction(%p)::GetName () => NULL", m_opaque_ptr);
72     }
73     return cstr;
74 }
75 
76 const char *
77 SBFunction::GetMangledName () const
78 {
79     const char *cstr = NULL;
80     if (m_opaque_ptr)
81         cstr = m_opaque_ptr->GetMangled().GetMangledName().AsCString();
82     LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
83     if (log)
84     {
85         if (cstr)
86             log->Printf ("SBFunction(%p)::GetMangledName () => \"%s\"", m_opaque_ptr, cstr);
87         else
88             log->Printf ("SBFunction(%p)::GetMangledName () => NULL", m_opaque_ptr);
89     }
90     return cstr;
91 }
92 
93 bool
94 SBFunction::operator == (const SBFunction &rhs) const
95 {
96     return m_opaque_ptr == rhs.m_opaque_ptr;
97 }
98 
99 bool
100 SBFunction::operator != (const SBFunction &rhs) const
101 {
102     return m_opaque_ptr != rhs.m_opaque_ptr;
103 }
104 
105 bool
106 SBFunction::GetDescription (SBStream &s)
107 {
108     if (m_opaque_ptr)
109     {
110         s.Printf ("SBFunction: id = 0x%8.8x, name = %s",
111                             m_opaque_ptr->GetID(),
112                             m_opaque_ptr->GetName().AsCString());
113         Type *func_type = m_opaque_ptr->GetType();
114         if (func_type)
115             s.Printf(", type = %s", func_type->GetName().AsCString());
116         return true;
117     }
118     s.Printf ("No value");
119     return false;
120 }
121 
122 SBInstructionList
123 SBFunction::GetInstructions (SBTarget target)
124 {
125     SBInstructionList sb_instructions;
126     if (m_opaque_ptr)
127     {
128         Mutex::Locker api_locker;
129         ExecutionContext exe_ctx;
130         if (target.IsValid())
131         {
132             api_locker.Reset (target->GetAPIMutex().GetMutex());
133             target->CalculateExecutionContext (exe_ctx);
134             exe_ctx.SetProcessSP(target->GetProcessSP());
135         }
136         Module *module = m_opaque_ptr->GetAddressRange().GetBaseAddress().GetModule();
137         if (module)
138         {
139             sb_instructions.SetDisassembler (Disassembler::DisassembleRange (module->GetArchitecture(),
140                                                                              NULL,
141                                                                              exe_ctx,
142                                                                              m_opaque_ptr->GetAddressRange()));
143         }
144     }
145     return sb_instructions;
146 }
147 
148 lldb_private::Function *
149 SBFunction::get ()
150 {
151     return m_opaque_ptr;
152 }
153 
154 void
155 SBFunction::reset (lldb_private::Function *lldb_object_ptr)
156 {
157     m_opaque_ptr = lldb_object_ptr;
158 }
159 
160 SBAddress
161 SBFunction::GetStartAddress ()
162 {
163     SBAddress addr;
164     if (m_opaque_ptr)
165         addr.SetAddress (&m_opaque_ptr->GetAddressRange().GetBaseAddress());
166     return addr;
167 }
168 
169 SBAddress
170 SBFunction::GetEndAddress ()
171 {
172     SBAddress addr;
173     if (m_opaque_ptr)
174     {
175         addr_t byte_size = m_opaque_ptr->GetAddressRange().GetByteSize();
176         if (byte_size > 0)
177         {
178             addr.SetAddress (&m_opaque_ptr->GetAddressRange().GetBaseAddress());
179             addr->Slide (byte_size);
180         }
181     }
182     return addr;
183 }
184 
185 
186 uint32_t
187 SBFunction::GetPrologueByteSize ()
188 {
189     if (m_opaque_ptr)
190         return m_opaque_ptr->GetPrologueByteSize();
191     return 0;
192 }
193 
194 
195