1 //===-- NativeRegisterContextLinux_s390x.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 #if defined(__s390x__) && defined(__linux__) 11 12 #ifndef lldb_NativeRegisterContextLinux_s390x_h 13 #define lldb_NativeRegisterContextLinux_s390x_h 14 15 #include "Plugins/Process/Linux/NativeRegisterContextLinux.h" 16 #include "Plugins/Process/Utility/RegisterContext_s390x.h" 17 #include "Plugins/Process/Utility/lldb-s390x-register-enums.h" 18 19 namespace lldb_private { 20 namespace process_linux { 21 22 class NativeProcessLinux; 23 24 class NativeRegisterContextLinux_s390x : public NativeRegisterContextLinux { 25 public: 26 NativeRegisterContextLinux_s390x(const ArchSpec &target_arch, 27 NativeThreadProtocol &native_thread, 28 uint32_t concrete_frame_idx); 29 30 uint32_t GetRegisterSetCount() const override; 31 32 const RegisterSet *GetRegisterSet(uint32_t set_index) const override; 33 34 uint32_t GetUserRegisterCount() const override; 35 36 Status ReadRegister(const RegisterInfo *reg_info, 37 RegisterValue ®_value) override; 38 39 Status WriteRegister(const RegisterInfo *reg_info, 40 const RegisterValue ®_value) override; 41 42 Status ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override; 43 44 Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override; 45 46 Status IsWatchpointHit(uint32_t wp_index, bool &is_hit) override; 47 48 Status GetWatchpointHitIndex(uint32_t &wp_index, 49 lldb::addr_t trap_addr) override; 50 51 Status IsWatchpointVacant(uint32_t wp_index, bool &is_vacant) override; 52 53 bool ClearHardwareWatchpoint(uint32_t wp_index) override; 54 55 Status ClearAllHardwareWatchpoints() override; 56 57 uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size, 58 uint32_t watch_flags) override; 59 60 lldb::addr_t GetWatchpointAddress(uint32_t wp_index) override; 61 62 uint32_t NumSupportedHardwareWatchpoints() override; 63 64 protected: 65 Status DoReadRegisterValue(uint32_t offset, const char *reg_name, 66 uint32_t size, RegisterValue &value) override; 67 68 Status DoWriteRegisterValue(uint32_t offset, const char *reg_name, 69 const RegisterValue &value) override; 70 71 Status DoReadGPR(void *buf, size_t buf_size) override; 72 73 Status DoWriteGPR(void *buf, size_t buf_size) override; 74 75 Status DoReadFPR(void *buf, size_t buf_size) override; 76 77 Status DoWriteFPR(void *buf, size_t buf_size) override; 78 79 private: 80 // Info about register ranges. 81 struct RegInfo { 82 uint32_t num_registers; 83 uint32_t num_gpr_registers; 84 uint32_t num_fpr_registers; 85 86 uint32_t last_gpr; 87 uint32_t first_fpr; 88 uint32_t last_fpr; 89 }; 90 91 // Private member variables. 92 RegInfo m_reg_info; 93 lldb::addr_t m_watchpoint_addr; 94 95 // Private member methods. 96 bool IsRegisterSetAvailable(uint32_t set_index) const; 97 98 bool IsGPR(uint32_t reg_index) const; 99 100 bool IsFPR(uint32_t reg_index) const; 101 102 Status PeekUserArea(uint32_t offset, void *buf, size_t buf_size); 103 104 Status PokeUserArea(uint32_t offset, const void *buf, size_t buf_size); 105 106 Status DoReadRegisterSet(uint32_t regset, void *buf, size_t buf_size); 107 108 Status DoWriteRegisterSet(uint32_t regset, const void *buf, size_t buf_size); 109 }; 110 111 } // namespace process_linux 112 } // namespace lldb_private 113 114 #endif // #ifndef lldb_NativeRegisterContextLinux_s390x_h 115 116 #endif // defined(__s390x__) && defined(__linux__) 117