| //===-- RegisterContextThreadMemory.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_RegisterContextThreadMemory_h_ |
| #define lldb_RegisterContextThreadMemory_h_ |
| |
| #include <vector> |
| |
| #include "lldb/lldb-private.h" |
| #include "lldb/Target/RegisterContext.h" |
| #include "lldb/Symbol/SymbolContext.h" |
| |
| namespace lldb_private { |
| |
| class RegisterContextThreadMemory : public lldb_private::RegisterContext |
| { |
| public: |
| RegisterContextThreadMemory (Thread &thread, |
| lldb::addr_t register_data_addr); |
| |
| virtual ~RegisterContextThreadMemory(); |
| //------------------------------------------------------------------ |
| // Subclasses must override these functions |
| //------------------------------------------------------------------ |
| virtual void |
| InvalidateAllRegisters (); |
| |
| virtual size_t |
| GetRegisterCount (); |
| |
| virtual const RegisterInfo * |
| GetRegisterInfoAtIndex (size_t reg); |
| |
| virtual size_t |
| GetRegisterSetCount (); |
| |
| virtual const RegisterSet * |
| GetRegisterSet (size_t reg_set); |
| |
| virtual bool |
| ReadRegister (const RegisterInfo *reg_info, RegisterValue ®_value); |
| |
| virtual bool |
| WriteRegister (const RegisterInfo *reg_info, const RegisterValue ®_value); |
| |
| // These two functions are used to implement "push" and "pop" of register states. They are used primarily |
| // for expression evaluation, where we need to push a new state (storing the old one in data_sp) and then |
| // restoring the original state by passing the data_sp we got from ReadAllRegisters to WriteAllRegisterValues. |
| // ReadAllRegisters will do what is necessary to return a coherent set of register values for this thread, which |
| // may mean e.g. interrupting a thread that is sitting in a kernel trap. That is a somewhat disruptive operation, |
| // so these API's should only be used when this behavior is needed. |
| |
| virtual bool |
| ReadAllRegisterValues (lldb::DataBufferSP &data_sp); |
| |
| virtual bool |
| WriteAllRegisterValues (const lldb::DataBufferSP &data_sp); |
| |
| bool |
| CopyFromRegisterContext (lldb::RegisterContextSP context); |
| |
| virtual uint32_t |
| ConvertRegisterKindToRegisterNumber (uint32_t kind, uint32_t num); |
| |
| //------------------------------------------------------------------ |
| // Subclasses can override these functions if desired |
| //------------------------------------------------------------------ |
| virtual uint32_t |
| NumSupportedHardwareBreakpoints (); |
| |
| virtual uint32_t |
| SetHardwareBreakpoint (lldb::addr_t addr, size_t size); |
| |
| virtual bool |
| ClearHardwareBreakpoint (uint32_t hw_idx); |
| |
| virtual uint32_t |
| NumSupportedHardwareWatchpoints (); |
| |
| virtual uint32_t |
| SetHardwareWatchpoint (lldb::addr_t addr, size_t size, bool read, bool write); |
| |
| virtual bool |
| ClearHardwareWatchpoint (uint32_t hw_index); |
| |
| virtual bool |
| HardwareSingleStep (bool enable); |
| |
| virtual Error |
| ReadRegisterValueFromMemory (const lldb_private::RegisterInfo *reg_info, lldb::addr_t src_addr, uint32_t src_len, RegisterValue ®_value); |
| |
| virtual Error |
| WriteRegisterValueToMemory (const lldb_private::RegisterInfo *reg_info, lldb::addr_t dst_addr, uint32_t dst_len, const RegisterValue ®_value); |
| |
| protected: |
| void |
| UpdateRegisterContext (); |
| |
| lldb::ThreadWP m_thread_wp; |
| lldb::RegisterContextSP m_reg_ctx_sp; |
| lldb::addr_t m_register_data_addr; |
| uint32_t m_stop_id; |
| private: |
| DISALLOW_COPY_AND_ASSIGN (RegisterContextThreadMemory); |
| }; |
| } // namespace lldb_private |
| |
| #endif // lldb_RegisterContextThreadMemory_h_ |