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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-exception6//7//===----------------------------------------------------------------------===//8 9#if defined(__s390x__) && defined(__linux__)10 11#ifndef lldb_NativeRegisterContextLinux_s390x_h12#define lldb_NativeRegisterContextLinux_s390x_h13 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#include <asm/ptrace.h>18 19namespace lldb_private {20namespace process_linux {21 22class NativeProcessLinux;23 24class NativeRegisterContextLinux_s390x : public NativeRegisterContextLinux {25public:26 NativeRegisterContextLinux_s390x(const ArchSpec &target_arch,27 NativeThreadProtocol &native_thread);28 29 uint32_t GetRegisterSetCount() const override;30 31 const RegisterSet *GetRegisterSet(uint32_t set_index) const override;32 33 uint32_t GetUserRegisterCount() const override;34 35 Status ReadRegister(const RegisterInfo *reg_info,36 RegisterValue ®_value) override;37 38 Status WriteRegister(const RegisterInfo *reg_info,39 const RegisterValue ®_value) override;40 41 Status ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override;42 43 Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;44 45 Status IsWatchpointHit(uint32_t wp_index, bool &is_hit) override;46 47 Status GetWatchpointHitIndex(uint32_t &wp_index,48 lldb::addr_t trap_addr) override;49 50 Status IsWatchpointVacant(uint32_t wp_index, bool &is_vacant) override;51 52 bool ClearHardwareWatchpoint(uint32_t wp_index) override;53 54 Status ClearAllHardwareWatchpoints() override;55 56 uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size,57 uint32_t watch_flags) override;58 59 lldb::addr_t GetWatchpointAddress(uint32_t wp_index) override;60 61 uint32_t NumSupportedHardwareWatchpoints() override;62 63protected:64 Status DoReadRegisterValue(uint32_t offset, const char *reg_name,65 uint32_t size, RegisterValue &value) override;66 67 Status DoWriteRegisterValue(uint32_t offset, const char *reg_name,68 const RegisterValue &value) override;69 70 Status ReadGPR() override;71 72 Status WriteGPR() override;73 74 Status ReadFPR() override;75 76 Status WriteFPR() override;77 78 void *GetGPRBuffer() override { return &m_regs; }79 size_t GetGPRSize() const override { return sizeof(m_regs); }80 void *GetFPRBuffer() override { return &m_fp_regs; }81 size_t GetFPRSize() override { return sizeof(m_fp_regs); }82 83private:84 // Info about register ranges.85 struct RegInfo {86 uint32_t num_registers;87 uint32_t num_gpr_registers;88 uint32_t num_fpr_registers;89 90 uint32_t last_gpr;91 uint32_t first_fpr;92 uint32_t last_fpr;93 };94 95 // Private member variables.96 RegInfo m_reg_info;97 lldb::addr_t m_watchpoint_addr;98 99 s390_regs m_regs;100 s390_fp_regs m_fp_regs;101 102 // Private member methods.103 bool IsRegisterSetAvailable(uint32_t set_index) const;104 105 bool IsGPR(uint32_t reg_index) const;106 107 bool IsFPR(uint32_t reg_index) const;108 109 Status PeekUserArea(uint32_t offset, void *buf, size_t buf_size);110 111 Status PokeUserArea(uint32_t offset, const void *buf, size_t buf_size);112 113 Status DoReadRegisterSet(uint32_t regset, void *buf, size_t buf_size);114 115 Status DoWriteRegisterSet(uint32_t regset, const void *buf, size_t buf_size);116};117 118} // namespace process_linux119} // namespace lldb_private120 121#endif // #ifndef lldb_NativeRegisterContextLinux_s390x_h122 123#endif // defined(__s390x__) && defined(__linux__)124