1 //===-- NativeRegisterContextLinux_s390x.h ----------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #if defined(__s390x__) && defined(__linux__) 10 11 #ifndef lldb_NativeRegisterContextLinux_s390x_h 12 #define lldb_NativeRegisterContextLinux_s390x_h 13 14 #include "Plugins/Process/Linux/NativeRegisterContextLinux.h" 15 #include "Plugins/Process/Utility/RegisterContext_s390x.h" 16 #include "Plugins/Process/Utility/lldb-s390x-register-enums.h" 17 18 namespace lldb_private { 19 namespace process_linux { 20 21 class NativeProcessLinux; 22 23 class NativeRegisterContextLinux_s390x : public NativeRegisterContextLinux { 24 public: 25 NativeRegisterContextLinux_s390x(const ArchSpec &target_arch, 26 NativeThreadProtocol &native_thread); 27 28 uint32_t GetRegisterSetCount() const override; 29 30 const RegisterSet *GetRegisterSet(uint32_t set_index) const override; 31 32 uint32_t GetUserRegisterCount() const override; 33 34 Status ReadRegister(const RegisterInfo *reg_info, 35 RegisterValue ®_value) override; 36 37 Status WriteRegister(const RegisterInfo *reg_info, 38 const RegisterValue ®_value) override; 39 40 Status ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override; 41 42 Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override; 43 44 Status IsWatchpointHit(uint32_t wp_index, bool &is_hit) override; 45 46 Status GetWatchpointHitIndex(uint32_t &wp_index, 47 lldb::addr_t trap_addr) override; 48 49 Status IsWatchpointVacant(uint32_t wp_index, bool &is_vacant) override; 50 51 bool ClearHardwareWatchpoint(uint32_t wp_index) override; 52 53 Status ClearAllHardwareWatchpoints() override; 54 55 uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size, 56 uint32_t watch_flags) override; 57 58 lldb::addr_t GetWatchpointAddress(uint32_t wp_index) override; 59 60 uint32_t NumSupportedHardwareWatchpoints() override; 61 62 protected: 63 Status DoReadRegisterValue(uint32_t offset, const char *reg_name, 64 uint32_t size, RegisterValue &value) override; 65 66 Status DoWriteRegisterValue(uint32_t offset, const char *reg_name, 67 const RegisterValue &value) override; 68 69 Status DoReadGPR(void *buf, size_t buf_size) override; 70 71 Status DoWriteGPR(void *buf, size_t buf_size) override; 72 73 Status DoReadFPR(void *buf, size_t buf_size) override; 74 75 Status DoWriteFPR(void *buf, size_t buf_size) override; 76 77 private: 78 // Info about register ranges. 79 struct RegInfo { 80 uint32_t num_registers; 81 uint32_t num_gpr_registers; 82 uint32_t num_fpr_registers; 83 84 uint32_t last_gpr; 85 uint32_t first_fpr; 86 uint32_t last_fpr; 87 }; 88 89 // Private member variables. 90 RegInfo m_reg_info; 91 lldb::addr_t m_watchpoint_addr; 92 93 // Private member methods. 94 bool IsRegisterSetAvailable(uint32_t set_index) const; 95 96 bool IsGPR(uint32_t reg_index) const; 97 98 bool IsFPR(uint32_t reg_index) const; 99 100 Status PeekUserArea(uint32_t offset, void *buf, size_t buf_size); 101 102 Status PokeUserArea(uint32_t offset, const void *buf, size_t buf_size); 103 104 Status DoReadRegisterSet(uint32_t regset, void *buf, size_t buf_size); 105 106 Status DoWriteRegisterSet(uint32_t regset, const void *buf, size_t buf_size); 107 }; 108 109 } // namespace process_linux 110 } // namespace lldb_private 111 112 #endif // #ifndef lldb_NativeRegisterContextLinux_s390x_h 113 114 #endif // defined(__s390x__) && defined(__linux__) 115