| //===-- NativeRegisterContextLinux_arm64.h ---------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #if defined(__arm64__) || defined(__aarch64__) |
| |
| #ifndef lldb_NativeRegisterContextLinux_arm64_h |
| #define lldb_NativeRegisterContextLinux_arm64_h |
| |
| #include "Plugins/Process/Linux/NativeRegisterContextLinux.h" |
| #include "Plugins/Process/Utility/lldb-arm64-register-enums.h" |
| |
| namespace lldb_private { |
| namespace process_linux { |
| |
| class NativeProcessLinux; |
| |
| class NativeRegisterContextLinux_arm64 : public NativeRegisterContextLinux { |
| public: |
| NativeRegisterContextLinux_arm64(const ArchSpec &target_arch, |
| NativeThreadProtocol &native_thread); |
| |
| uint32_t GetRegisterSetCount() const override; |
| |
| uint32_t GetUserRegisterCount() const override; |
| |
| const RegisterSet *GetRegisterSet(uint32_t set_index) const override; |
| |
| Status ReadRegister(const RegisterInfo *reg_info, |
| RegisterValue ®_value) override; |
| |
| Status WriteRegister(const RegisterInfo *reg_info, |
| const RegisterValue ®_value) override; |
| |
| Status ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override; |
| |
| Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override; |
| |
| //------------------------------------------------------------------ |
| // Hardware breakpoints/watchpoint management functions |
| //------------------------------------------------------------------ |
| |
| uint32_t NumSupportedHardwareBreakpoints() override; |
| |
| uint32_t SetHardwareBreakpoint(lldb::addr_t addr, size_t size) override; |
| |
| bool ClearHardwareBreakpoint(uint32_t hw_idx) override; |
| |
| Status ClearAllHardwareBreakpoints() override; |
| |
| Status GetHardwareBreakHitIndex(uint32_t &bp_index, |
| lldb::addr_t trap_addr) override; |
| |
| uint32_t NumSupportedHardwareWatchpoints() override; |
| |
| uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size, |
| uint32_t watch_flags) override; |
| |
| bool ClearHardwareWatchpoint(uint32_t hw_index) override; |
| |
| Status ClearAllHardwareWatchpoints() override; |
| |
| Status GetWatchpointHitIndex(uint32_t &wp_index, |
| lldb::addr_t trap_addr) override; |
| |
| lldb::addr_t GetWatchpointHitAddress(uint32_t wp_index) override; |
| |
| lldb::addr_t GetWatchpointAddress(uint32_t wp_index) override; |
| |
| uint32_t GetWatchpointSize(uint32_t wp_index); |
| |
| bool WatchpointIsEnabled(uint32_t wp_index); |
| |
| // Debug register type select |
| enum DREGType { eDREGTypeWATCH = 0, eDREGTypeBREAK }; |
| |
| protected: |
| Status DoReadRegisterValue(uint32_t offset, const char *reg_name, |
| uint32_t size, RegisterValue &value) override; |
| |
| Status DoWriteRegisterValue(uint32_t offset, const char *reg_name, |
| const RegisterValue &value) override; |
| |
| Status DoReadGPR(void *buf, size_t buf_size) override; |
| |
| Status DoWriteGPR(void *buf, size_t buf_size) override; |
| |
| Status DoReadFPR(void *buf, size_t buf_size) override; |
| |
| Status DoWriteFPR(void *buf, size_t buf_size) override; |
| |
| void *GetGPRBuffer() override { return &m_gpr_arm64; } |
| |
| void *GetFPRBuffer() override { return &m_fpr; } |
| |
| size_t GetFPRSize() override { return sizeof(m_fpr); } |
| |
| private: |
| struct RegInfo { |
| uint32_t num_registers; |
| uint32_t num_gpr_registers; |
| uint32_t num_fpr_registers; |
| |
| uint32_t last_gpr; |
| uint32_t first_fpr; |
| uint32_t last_fpr; |
| |
| uint32_t first_fpr_v; |
| uint32_t last_fpr_v; |
| |
| uint32_t gpr_flags; |
| }; |
| |
| // based on RegisterContextDarwin_arm64.h |
| struct VReg { |
| uint8_t bytes[16]; |
| }; |
| |
| // based on RegisterContextDarwin_arm64.h |
| struct FPU { |
| VReg v[32]; |
| uint32_t fpsr; |
| uint32_t fpcr; |
| }; |
| |
| uint64_t m_gpr_arm64[k_num_gpr_registers_arm64]; // 64-bit general purpose |
| // registers. |
| RegInfo m_reg_info; |
| FPU m_fpr; // floating-point registers including extended register sets. |
| |
| // Debug register info for hardware breakpoints and watchpoints management. |
| struct DREG { |
| lldb::addr_t address; // Breakpoint/watchpoint address value. |
| lldb::addr_t hit_addr; // Address at which last watchpoint trigger exception |
| // occurred. |
| lldb::addr_t real_addr; // Address value that should cause target to stop. |
| uint32_t control; // Breakpoint/watchpoint control value. |
| uint32_t refcount; // Serves as enable/disable and reference counter. |
| }; |
| |
| struct DREG m_hbr_regs[16]; // Arm native linux hardware breakpoints |
| struct DREG m_hwp_regs[16]; // Arm native linux hardware watchpoints |
| |
| uint32_t m_max_hwp_supported; |
| uint32_t m_max_hbp_supported; |
| bool m_refresh_hwdebug_info; |
| |
| bool IsGPR(unsigned reg) const; |
| |
| bool IsFPR(unsigned reg) const; |
| |
| Status ReadHardwareDebugInfo(); |
| |
| Status WriteHardwareDebugRegs(int hwbType); |
| |
| uint32_t CalculateFprOffset(const RegisterInfo *reg_info) const; |
| }; |
| |
| } // namespace process_linux |
| } // namespace lldb_private |
| |
| #endif // #ifndef lldb_NativeRegisterContextLinux_arm64_h |
| |
| #endif // defined (__arm64__) || defined (__aarch64__) |