1 //===-- StoppointLocation.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_StoppointLocation_h_ 11 #define liblldb_StoppointLocation_h_ 12 13 // C Includes 14 // C++ Includes 15 // Other libraries and framework includes 16 // Project includes 17 #include "lldb/lldb-private.h" 18 #include "lldb/Core/UserID.h" 19 // #include "lldb/Breakpoint/BreakpointOptions.h" 20 21 namespace lldb_private { 22 23 class StoppointLocation 24 { 25 public: 26 //------------------------------------------------------------------ 27 // Constructors and Destructors 28 //------------------------------------------------------------------ 29 StoppointLocation (lldb::break_id_t bid, 30 lldb::addr_t m_addr, 31 bool hardware); 32 33 StoppointLocation (lldb::break_id_t bid, 34 lldb::addr_t m_addr, 35 uint32_t byte_size, 36 bool hardware); 37 38 virtual 39 ~StoppointLocation (); 40 41 //------------------------------------------------------------------ 42 // Operators 43 //------------------------------------------------------------------ 44 45 //------------------------------------------------------------------ 46 // Methods 47 //------------------------------------------------------------------ 48 virtual lldb::addr_t 49 GetLoadAddress() const 50 { 51 return m_addr; 52 } 53 54 virtual void 55 SetLoadAddress (lldb::addr_t addr) 56 { 57 m_addr = addr; 58 } 59 60 uint32_t 61 GetByteSize () const 62 { 63 return m_byte_size; 64 } 65 66 uint32_t 67 GetHitCount () const 68 { 69 return m_hit_count; 70 } 71 72 uint32_t 73 GetHardwareIndex () const 74 { 75 return m_hw_index; 76 } 77 78 79 bool 80 HardwarePreferred () const 81 { 82 return m_hw_preferred; 83 } 84 85 virtual bool 86 IsHardware () const 87 { 88 return m_hw_index != LLDB_INVALID_INDEX32; 89 } 90 91 92 virtual bool 93 ShouldStop (StoppointCallbackContext *context) 94 { 95 return true; 96 } 97 98 virtual void 99 Dump (Stream *stream) const 100 { 101 } 102 103 void 104 SetHardwareIndex (uint32_t index) 105 { 106 m_hw_index = index; 107 } 108 109 110 lldb::break_id_t 111 GetID () const 112 { 113 return m_loc_id; 114 } 115 116 protected: 117 //------------------------------------------------------------------ 118 // Classes that inherit from StoppointLocation can see and modify these 119 //------------------------------------------------------------------ 120 lldb::break_id_t m_loc_id; // Stoppoint location ID 121 lldb::addr_t m_addr; // The load address of this stop point. The base Stoppoint doesn't 122 // store a full Address since that's not needed for the breakpoint sites. 123 bool m_hw_preferred; // 1 if this point has been requested to be set using hardware (which may fail due to lack of resources) 124 uint32_t m_hw_index; // The hardware resource index for this breakpoint/watchpoint 125 uint32_t m_byte_size; // The size in bytes of stop location. e.g. the length of the trap opcode for 126 // software breakpoints, or the optional length in bytes for 127 // hardware breakpoints, or the length of the watchpoint. 128 uint32_t m_hit_count; // Number of times this breakpoint/watchpoint has been hit 129 130 // If you override this, be sure to call the base class to increment the internal counter. 131 void 132 IncrementHitCount () 133 { 134 ++m_hit_count; 135 } 136 137 private: 138 //------------------------------------------------------------------ 139 // For StoppointLocation only 140 //------------------------------------------------------------------ 141 DISALLOW_COPY_AND_ASSIGN(StoppointLocation); 142 StoppointLocation(); // Disallow default constructor 143 }; 144 145 } // namespace lldb_private 146 147 #endif // liblldb_StoppointLocation_h_ 148
