1 //===-- StackFrameList.h ----------------------------------------*- 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 #ifndef liblldb_StackFrameList_h_ 11 #define liblldb_StackFrameList_h_ 12 13 // C Includes 14 // C++ Includes 15 #include <vector> 16 17 // Other libraries and framework includes 18 // Project includes 19 #include "lldb/Host/Mutex.h" 20 #include "lldb/Target/StackFrame.h" 21 22 namespace lldb_private { 23 24 class StackFrameList 25 { 26 public: 27 //------------------------------------------------------------------ 28 // Constructors and Destructors 29 //------------------------------------------------------------------ 30 StackFrameList (Thread &thread, 31 const lldb::StackFrameListSP &prev_frames_sp, 32 bool show_inline_frames); 33 34 ~StackFrameList(); 35 36 uint32_t 37 GetNumFrames (bool can_create = true); 38 39 lldb::StackFrameSP 40 GetFrameAtIndex (uint32_t idx); 41 42 lldb::StackFrameSP 43 GetFrameWithConcreteFrameIndex (uint32_t unwind_idx); 44 45 lldb::StackFrameSP 46 GetFrameWithStackID (const StackID &stack_id); 47 48 // Mark a stack frame as the current frame 49 uint32_t 50 SetSelectedFrame (lldb_private::StackFrame *frame); 51 52 uint32_t 53 GetSelectedFrameIndex () const; 54 55 // Mark a stack frame as the current frame using the frame index 56 bool 57 SetSelectedFrameByIndex (uint32_t idx); 58 59 uint32_t 60 GetVisibleStackFrameIndex(uint32_t idx) 61 { 62 if (m_current_inlined_depth < UINT32_MAX) 63 return idx - m_current_inlined_depth; 64 else 65 return idx; 66 } 67 68 void 69 CalculateCurrentInlinedDepth (); 70 71 void 72 SetDefaultFileAndLineToSelectedFrame(); 73 74 void 75 Clear (); 76 77 void 78 InvalidateFrames (uint32_t start_idx); 79 80 void 81 Dump (Stream *s); 82 83 lldb::StackFrameSP 84 GetStackFrameSPForStackFramePtr (StackFrame *stack_frame_ptr); 85 86 size_t 87 GetStatus (Stream &strm, 88 uint32_t first_frame, 89 uint32_t num_frames, 90 bool show_frame_info, 91 uint32_t num_frames_with_source); 92 93 protected: 94 95 friend class Thread; 96 97 bool 98 SetFrameAtIndex (uint32_t idx, lldb::StackFrameSP &frame_sp); 99 100 static void 101 Merge (std::unique_ptr<StackFrameList>& curr_ap, 102 lldb::StackFrameListSP& prev_sp); 103 104 void 105 GetFramesUpTo (uint32_t end_idx); 106 107 bool 108 GetAllFramesFetched() 109 { 110 return m_concrete_frames_fetched == UINT32_MAX; 111 } 112 113 void 114 SetAllFramesFetched () 115 { 116 m_concrete_frames_fetched = UINT32_MAX; 117 } 118 119 bool 120 DecrementCurrentInlinedDepth (); 121 122 void 123 ResetCurrentInlinedDepth(); 124 125 uint32_t 126 GetCurrentInlinedDepth (); 127 128 void 129 SetCurrentInlinedDepth (uint32_t new_depth); 130 131 //------------------------------------------------------------------ 132 // Classes that inherit from StackFrameList can see and modify these 133 //------------------------------------------------------------------ 134 typedef std::vector<lldb::StackFrameSP> collection; 135 typedef collection::iterator iterator; 136 typedef collection::const_iterator const_iterator; 137 138 Thread &m_thread; 139 lldb::StackFrameListSP m_prev_frames_sp; 140 mutable Mutex m_mutex; 141 collection m_frames; 142 uint32_t m_selected_frame_idx; 143 uint32_t m_concrete_frames_fetched; 144 uint32_t m_current_inlined_depth; 145 lldb::addr_t m_current_inlined_pc; 146 bool m_show_inlined_frames; 147 148 private: 149 //------------------------------------------------------------------ 150 // For StackFrameList only 151 //------------------------------------------------------------------ 152 DISALLOW_COPY_AND_ASSIGN (StackFrameList); 153 }; 154 155 } // namespace lldb_private 156 157 #endif // liblldb_StackFrameList_h_ 158
