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1//===-- NativeRegisterContextFreeBSD_x86_64.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(__i386__) || defined(__x86_64__)10 11#ifndef lldb_NativeRegisterContextFreeBSD_x86_64_h12#define lldb_NativeRegisterContextFreeBSD_x86_64_h13 14// clang-format off15#include <sys/param.h>16#include <sys/ptrace.h>17#include <sys/types.h>18#include <machine/reg.h>19// clang-format on20 21#include <array>22#include <optional>23 24#include "Plugins/Process/FreeBSD/NativeRegisterContextFreeBSD.h"25#include "Plugins/Process/Utility/RegisterContext_x86.h"26#include "Plugins/Process/Utility/NativeRegisterContextDBReg_x86.h"27#include "Plugins/Process/Utility/lldb-x86-register-enums.h"28 29#define LLDB_INVALID_XSAVE_OFFSET UINT32_MAX30 31namespace lldb_private {32namespace process_freebsd {33 34class NativeProcessFreeBSD;35 36class NativeRegisterContextFreeBSD_x86_6437 : public NativeRegisterContextFreeBSD,38 public NativeRegisterContextDBReg_x86 {39public:40 NativeRegisterContextFreeBSD_x86_64(const ArchSpec &target_arch,41 NativeThreadFreeBSD &native_thread);42 uint32_t GetRegisterSetCount() const override;43 44 const RegisterSet *GetRegisterSet(uint32_t set_index) const override;45 46 Status ReadRegister(const RegisterInfo *reg_info,47 RegisterValue ®_value) override;48 49 Status WriteRegister(const RegisterInfo *reg_info,50 const RegisterValue ®_value) override;51 52 Status ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override;53 54 Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;55 56 llvm::Error57 CopyHardwareWatchpointsFrom(NativeRegisterContextFreeBSD &source) override;58 59private:60 // Private member types.61 enum RegSetKind {62 GPRegSet,63 FPRegSet,64 DBRegSet,65 YMMRegSet,66 MPXRegSet,67 MaxRegSet = MPXRegSet,68 };69 70 // Private member variables.71 std::array<uint8_t, sizeof(struct reg)> m_gpr;72 std::array<uint8_t, 512> m_fpr; // FXSAVE73 std::array<uint8_t, sizeof(struct dbreg)> m_dbr;74 std::vector<uint8_t> m_xsave;75 std::array<uint32_t, MaxRegSet + 1> m_xsave_offsets;76 std::array<size_t, MaxRegSet + 1> m_regset_offsets;77 78 std::optional<RegSetKind> GetSetForNativeRegNum(uint32_t reg_num) const;79 80 Status ReadRegisterSet(RegSetKind set);81 Status WriteRegisterSet(RegSetKind set);82 83 uint8_t *GetOffsetRegSetData(RegSetKind set, size_t reg_offset);84 85 struct YMMSplitPtr {86 void *xmm;87 void *ymm_hi;88 };89 std::optional<YMMSplitPtr> GetYMMSplitReg(uint32_t reg);90};91 92} // namespace process_freebsd93} // namespace lldb_private94 95#endif // #ifndef lldb_NativeRegisterContextFreeBSD_x86_64_h96 97#endif // defined(__x86_64__)98