| //===-- 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_ |
| |
| // C Includes |
| // C++ Includes |
| #include <vector> |
| |
| // Other libraries and framework includes |
| // Project includes |
| #include "lldb/Symbol/SymbolContext.h" |
| #include "lldb/Target/RegisterContext.h" |
| #include "lldb/lldb-private.h" |
| |
| namespace lldb_private { |
| |
| class RegisterContextThreadMemory : public lldb_private::RegisterContext { |
| public: |
| RegisterContextThreadMemory(Thread &thread, lldb::addr_t register_data_addr); |
| |
| ~RegisterContextThreadMemory() override; |
| |
| void InvalidateAllRegisters() override; |
| |
| size_t GetRegisterCount() override; |
| |
| const RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override; |
| |
| size_t GetRegisterSetCount() override; |
| |
| const RegisterSet *GetRegisterSet(size_t reg_set) override; |
| |
| bool ReadRegister(const RegisterInfo *reg_info, |
| RegisterValue ®_value) override; |
| |
| bool WriteRegister(const RegisterInfo *reg_info, |
| const RegisterValue ®_value) override; |
| |
| // 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. |
| |
| bool ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override; |
| |
| bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override; |
| |
| bool CopyFromRegisterContext(lldb::RegisterContextSP context); |
| |
| uint32_t ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind, |
| uint32_t num) override; |
| |
| uint32_t NumSupportedHardwareBreakpoints() override; |
| |
| uint32_t SetHardwareBreakpoint(lldb::addr_t addr, size_t size) override; |
| |
| bool ClearHardwareBreakpoint(uint32_t hw_idx) override; |
| |
| uint32_t NumSupportedHardwareWatchpoints() override; |
| |
| uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size, bool read, |
| bool write) override; |
| |
| bool ClearHardwareWatchpoint(uint32_t hw_index) override; |
| |
| bool HardwareSingleStep(bool enable) override; |
| |
| Status ReadRegisterValueFromMemory(const lldb_private::RegisterInfo *reg_info, |
| lldb::addr_t src_addr, uint32_t src_len, |
| RegisterValue ®_value) override; |
| |
| Status WriteRegisterValueToMemory(const lldb_private::RegisterInfo *reg_info, |
| lldb::addr_t dst_addr, uint32_t dst_len, |
| const RegisterValue ®_value) override; |
| |
| 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_ |