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NativeRegisterContextNetBSD_x86_64.h
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1//===-- NativeRegisterContextNetBSD_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-exception
6//
7//===----------------------------------------------------------------------===//
8
9#if defined(__i386__) || defined(__x86_64__)
10
11#ifndef lldb_NativeRegisterContextNetBSD_x86_64_h
12#define lldb_NativeRegisterContextNetBSD_x86_64_h
13
14// clang-format off
15#include <sys/param.h>
16#include <sys/types.h>
17#include <sys/ptrace.h>
18#include <machine/reg.h>
19// clang-format on
20
21#include <array>
22#include <optional>
23
28
29namespace lldb_private {
30namespace process_netbsd {
31
32class NativeProcessNetBSD;
33
34class NativeRegisterContextNetBSD_x86_64
35 : public NativeRegisterContextNetBSD,
36 public NativeRegisterContextDBReg_x86 {
37public:
38 NativeRegisterContextNetBSD_x86_64(const ArchSpec &target_arch,
39 NativeThreadProtocol &native_thread);
40 uint32_t GetRegisterSetCount() const override;
41
42 const RegisterSet *GetRegisterSet(uint32_t set_index) const override;
43
44 Status ReadRegister(const RegisterInfo *reg_info,
45 RegisterValue &reg_value) override;
46
47 Status WriteRegister(const RegisterInfo *reg_info,
48 const RegisterValue &reg_value) override;
49
50 Status ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override;
51
52 Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
53
54 llvm::Error
55 CopyHardwareWatchpointsFrom(NativeRegisterContextNetBSD &source) override;
56
57private:
58 // Private member types.
59 enum RegSetKind {
60 GPRegSet,
61 FPRegSet,
62 DBRegSet,
63 MaxRegularRegSet = DBRegSet,
64 YMMRegSet,
65 MPXRegSet,
66 MaxRegSet = MPXRegSet,
67 };
68
69 // Private member variables.
70 std::array<uint8_t, sizeof(struct reg)> m_gpr;
71 std::array<uint8_t, sizeof(struct xstate)> m_xstate;
72 std::array<uint8_t, sizeof(struct dbreg)> m_dbr;
73 std::array<size_t, MaxRegularRegSet + 1> m_regset_offsets;
74
75 std::optional<RegSetKind> GetSetForNativeRegNum(uint32_t reg_num) const;
76
77 Status ReadRegisterSet(RegSetKind set);
78 Status WriteRegisterSet(RegSetKind set);
79
80 uint8_t *GetOffsetRegSetData(RegSetKind set, size_t reg_offset);
81
82 struct YMMSplitPtr {
83 void *xmm;
84 void *ymm_hi;
85 };
86 std::optional<YMMSplitPtr> GetYMMSplitReg(uint32_t reg);
87};
88
89} // namespace process_netbsd
90} // namespace lldb_private
91
92#endif // #ifndef lldb_NativeRegisterContextNetBSD_x86_64_h
93
94#endif // defined(__x86_64__)
A class that represents a running process on the host machine.
std::shared_ptr< lldb_private::DataBuffer > DataBufferSP
Definition: lldb-forward.h:331
std::shared_ptr< lldb_private::WritableDataBuffer > WritableDataBufferSP
Definition: lldb-forward.h:332