1 //===-- MICmnLLDBDebugSessionInfo.h -----------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 // File: MICmnLLDBDebugSessionInfo.h
13 // Overview: CMICmnLLDBDebugSessionInfo interface.
15 // Environment: Compilers: Visual C++ 12.
16 // gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
17 // Libraries: See MIReadmetxt.
24 // Third party headers:
27 #include <lldb/API/SBDebugger.h>
28 #include <lldb/API/SBListener.h>
29 #include <lldb/API/SBProcess.h>
30 #include <lldb/API/SBTarget.h>
33 #include "MICmnBase.h"
34 #include "MIUtilSingletonBase.h"
35 #include "MICmnLLDBDebugSessionInfoVarObj.h"
36 #include "MICmnMIValueTuple.h"
37 #include "MIUtilMapIdToVariant.h"
40 class CMICmnLLDBDebugger;
42 class CMICmnMIValueTuple;
43 class CMICmnMIValueList;
45 //++ ============================================================================
46 // Details: MI debug session object that holds debugging information between
47 // instances of MI commands executing their work and producing MI
48 // result records. Information/data is set by one or many commands then
49 // retrieved by the same or other sebsequent commands.
50 // It primarily to hold LLDB type objects.
53 // Authors: Illya Rudkin 04/03/2014.
56 class CMICmnLLDBDebugSessionInfo
58 , public MI::ISingleton< CMICmnLLDBDebugSessionInfo >
60 friend class MI::ISingleton< CMICmnLLDBDebugSessionInfo >;
64 //++ ============================================================================
65 // Details: Break point information object. Used to easily pass information about
66 // a break around and record break point information to be recalled by
67 // other commands or LLDB event handling functions.
77 , m_bHaveArgOptionThreadGrp( false )
81 , m_bCondition( false )
82 , m_bBrkPtThreadId( false )
83 , m_nBrkPtThreadId( 0 )
87 MIuint m_id; // LLDB break point ID.
88 CMIUtilString m_strType; // Break point type.
89 bool m_bDisp ; // True = "del", false = "keep".
90 bool m_bEnabled; // True = enabled, false = disabled break point.
91 MIuint m_pc; // Address number.
92 CMIUtilString m_fnName; // Function name.
93 CMIUtilString m_fileName; // File name text.
94 CMIUtilString m_path; // Full file name and path text.
95 MIuint m_nLine; // File line number.
96 bool m_bHaveArgOptionThreadGrp; // True = include MI field, false = do not include "thread-groups".
97 CMIUtilString m_strOptThrdGrp; // Thread group number.
98 MIuint m_nTimes; // The count of the breakpoint existence.
99 CMIUtilString m_strOrigLoc; // The name of the break point.
100 bool m_bPending; // True = the breakpoint has not been established yet, false = location found
101 MIuint m_nIgnore; // The number of time the breakpoint is run over before it is stopped on a hit
102 bool m_bCondition; // True = break point is conditional, use condition expression, false = no condition
103 CMIUtilString m_strCondition; // Break point condition expression
104 bool m_bBrkPtThreadId; // True = break point is specified to work with a specific thread, false = no specified thread given
105 MIuint m_nBrkPtThreadId; // Restrict the breakpoint to the specified thread-id
110 typedef std::vector< uint32_t > VecActiveThreadId_t;
114 bool Initialize( void );
115 bool Shutdown( void );
117 // Variant type data which can be assigned and retrieved across all command instances
118 template< typename T >
119 bool SharedDataAdd( const CMIUtilString & vKey, const T & vData );
120 template< typename T >
121 bool SharedDataRetrieve( const CMIUtilString & vKey, T & vwData );
122 bool SharedDataDestroy( void );
124 // Common command required functionality
125 bool AccessPath( const CMIUtilString & vPath, bool & vwbYesAccessible );
126 bool GetFrameInfo( const lldb::SBFrame & vrFrame, lldb::addr_t & vwPc, CMIUtilString & vwFnName, CMIUtilString & vwFileName, CMIUtilString & vwPath, MIuint & vwnLine );
127 bool GetThreadFrames( const SMICmdData & vCmdData, const MIuint vThreadIdx, CMIUtilString & vwrThreadFrames );
128 bool GetThreadFrames2( const SMICmdData & vCmdData, const MIuint vThreadIdx, CMIUtilString & vwrThreadFrames );
129 bool ResolvePath( const SMICmdData & vCmdData, const CMIUtilString & vPath, CMIUtilString & vwrResolvedPath );
130 bool ResolvePath( const CMIUtilString & vstrUnknown, CMIUtilString & vwrResolvedPath );
131 bool MIResponseFormFrameInfo( const lldb::SBThread & vrThread, const MIuint vnLevel, CMICmnMIValueTuple & vwrMiValueTuple );
132 bool MIResponseFormFrameInfo( const lldb::addr_t vPc, const CMIUtilString & vFnName, const CMIUtilString & vFileName, const CMIUtilString & vPath, const MIuint vnLine, CMICmnMIValueTuple & vwrMiValueTuple );
133 bool MIResponseFormFrameInfo2( const lldb::addr_t vPc, const CMIUtilString & vArgInfo, const CMIUtilString & vFnName, const CMIUtilString & vFileName, const CMIUtilString & vPath, const MIuint vnLine, CMICmnMIValueTuple & vwrMiValueTuple );
134 bool MIResponseFormThreadInfo( const SMICmdData & vCmdData, const lldb::SBThread & vrThread, CMICmnMIValueTuple & vwrMIValueTuple );
135 bool MIResponseFormThreadInfo2( const SMICmdData & vCmdData, const lldb::SBThread & vrThread, CMICmnMIValueTuple & vwrMIValueTuple );
136 bool MIResponseFormThreadInfo3( const SMICmdData & vCmdData, const lldb::SBThread & vrThread, CMICmnMIValueTuple & vwrMIValueTuple );
137 bool MIResponseFormVariableInfo( const lldb::SBFrame & vrFrame, const MIuint vMaskVarTypes, CMICmnMIValueList & vwrMiValueList );
138 bool MIResponseFormVariableInfo2( const lldb::SBFrame & vrFrame, const MIuint vMaskVarTypes, CMICmnMIValueList & vwrMiValueList );
139 bool MIResponseFormVariableInfo3( const lldb::SBFrame & vrFrame, const MIuint vMaskVarTypes, CMICmnMIValueList & vwrMiValueList );
140 bool MIResponseFormBrkPtFrameInfo( const SBrkPtInfo & vrBrkPtInfo, CMICmnMIValueTuple & vwrMiValueTuple );
141 bool MIResponseFormBrkPtInfo( const SBrkPtInfo & vrBrkPtInfo, CMICmnMIValueTuple & vwrMiValueTuple );
142 bool GetBrkPtInfo( const lldb::SBBreakpoint & vBrkPt, SBrkPtInfo & vrwBrkPtInfo ) const;
143 bool RecordBrkPtInfo( const MIuint vnBrkPtId, const SBrkPtInfo & vrBrkPtInfo );
144 bool RecordBrkPtInfoGet( const MIuint vnBrkPtId, SBrkPtInfo & vrwBrkPtInfo ) const;
145 bool RecordBrkPtInfoDelete( const MIuint vnBrkPtId );
149 // The following are available to all command instances
150 lldb::SBDebugger & m_rLldbDebugger;
151 lldb::SBListener & m_rLlldbListener;
152 lldb::SBTarget m_lldbTarget;
153 lldb::SBProcess m_lldbProcess;
154 const MIuint m_nBrkPointCntMax;
155 VecActiveThreadId_t m_vecActiveThreadId;
156 lldb::tid_t m_currentSelectedThread;
158 // These are keys that can be used to access the shared data map
159 // Note: This list is expected to grow and will be moved and abstracted in the future.
160 const CMIUtilString m_constStrSharedDataKeyWkDir;
161 const CMIUtilString m_constStrSharedDataSolibPath;
165 typedef std::vector< CMICmnLLDBDebugSessionInfoVarObj > VecVarObj_t;
166 typedef std::map< MIuint, SBrkPtInfo > MapBrkPtIdToBrkPtInfo_t;
167 typedef std::pair< MIuint, SBrkPtInfo > MapPairBrkPtIdToBrkPtInfo_t;
171 /* ctor */ CMICmnLLDBDebugSessionInfo( void );
172 /* ctor */ CMICmnLLDBDebugSessionInfo( const CMICmnLLDBDebugSessionInfo & );
173 void operator=( const CMICmnLLDBDebugSessionInfo & );
175 bool GetVariableInfo( const MIuint vnMaxDepth, const lldb::SBValue & vrValue, const bool vbIsChildValue, CMICmnMIValueList & vwrMiValueList, MIuint & vrwnDepth );
176 bool GetVariableInfo2( const MIuint vnMaxDepth, const lldb::SBValue & vrValue, const bool vbIsChildValue, CMICmnMIValueList & vwrMiValueList, MIuint & vrwnDepth );
181 /* dtor */ virtual ~CMICmnLLDBDebugSessionInfo( void );
185 CMIUtilMapIdToVariant m_mapIdToSessionData; // Hold and retrieve key to value data available across all commands
186 VecVarObj_t m_vecVarObj; // Vector of session variable objects
187 MapBrkPtIdToBrkPtInfo_t m_mapBrkPtIdToBrkPtInfo;
190 //++ ------------------------------------------------------------------------------------
191 // Details: Command instances can create and share data between other instances of commands.
192 // This function adds new data to the shared data. Using the same ID more than
193 // once replaces any previous matching data keys.
194 // Type: Template method.
195 // Args: T - The type of the object to be stored.
196 // vKey - (R) A non empty unique data key to retrieve the data by.
197 // vData - (R) Data to be added to the share.
198 // Return: MIstatus::success - Functional succeeded.
199 // MIstatus::failure - Functional failed.
202 template< typename T >
203 bool CMICmnLLDBDebugSessionInfo::SharedDataAdd( const CMIUtilString & vKey, const T & vData )
205 if( !m_mapIdToSessionData.Add< T >( vKey, vData ) )
207 SetErrorDescription( m_mapIdToSessionData.GetErrorDescription() );
208 return MIstatus::failure;
211 return MIstatus::success;
214 //++ ------------------------------------------------------------------------------------
215 // Details: Command instances can create and share data between other instances of commands.
216 // This function retrieves data from the shared data container.
218 // Args: T - The type of the object being retrieved.
219 // vKey - (R) A non empty unique data key to retrieve the data by.
220 // vData - (W) The data.
221 // Return: bool - True = data found, false = data not found or an error occurred trying to fetch.
224 template< typename T >
225 bool CMICmnLLDBDebugSessionInfo::SharedDataRetrieve( const CMIUtilString & vKey, T & vwData )
227 bool bDataFound = false;
229 if( !m_mapIdToSessionData.Get< T >( vKey, vwData, bDataFound ) )
231 SetErrorDescription( m_mapIdToSessionData.GetErrorDescription() );
232 return MIstatus::failure;