| //===-- UnwindLLDB.h --------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef lldb_UnwindLLDB_h_ |
| #define lldb_UnwindLLDB_h_ |
| |
| #include <vector> |
| |
| #include "lldb/lldb-include.h" |
| #include "lldb/Symbol/FuncUnwinders.h" |
| #include "lldb/Symbol/UnwindPlan.h" |
| #include "lldb/Target/RegisterContext.h" |
| #include "lldb/Target/Unwind.h" |
| |
| #include "RegisterContextLLDB.h" |
| |
| namespace lldb_private { |
| |
| class UnwindLLDB : public lldb_private::Unwind |
| { |
| public: |
| UnwindLLDB (lldb_private::Thread &thread); |
| |
| virtual |
| ~UnwindLLDB() { } |
| |
| void |
| Clear() |
| { |
| m_frames.clear(); |
| } |
| |
| virtual uint32_t |
| GetFrameCount(); |
| |
| bool |
| GetFrameInfoAtIndex (uint32_t frame_idx, |
| lldb::addr_t& cfa, |
| lldb::addr_t& start_pc); |
| |
| lldb::RegisterContextSP |
| CreateRegisterContextForFrame (lldb_private::StackFrame *frame); |
| |
| private: |
| struct Cursor |
| { |
| lldb::addr_t start_pc; // The start address of the function/symbol for this frame - current pc if unknown |
| lldb::addr_t cfa; // The canonical frame address for this stack frame |
| lldb_private::SymbolContext sctx; // A symbol context we'll contribute to & provide to the StackFrame creation |
| RegisterContextLLDB::SharedPtr reg_ctx; // These are all RegisterContextLLDB's |
| |
| Cursor () : start_pc (LLDB_INVALID_ADDRESS), cfa (LLDB_INVALID_ADDRESS), sctx(), reg_ctx() { } |
| private: |
| DISALLOW_COPY_AND_ASSIGN (Cursor); |
| }; |
| |
| typedef lldb::SharedPtr<Cursor>::Type CursorSP; |
| std::vector<CursorSP> m_frames; |
| |
| bool AddOneMoreFrame (); |
| bool AddFirstFrame (); |
| |
| //------------------------------------------------------------------ |
| // For UnwindLLDB only |
| //------------------------------------------------------------------ |
| DISALLOW_COPY_AND_ASSIGN (UnwindLLDB); |
| }; |
| |
| } // namespace lldb_private |
| |
| #endif // lldb_UnwindLLDB_h_ |