1//===-- RegisterContextPOSIX_arm64.cpp ------------------------------------===//
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#include <cerrno>
10#include <cstdint>
11#include <cstring>
12
13#include "lldb/Target/Process.h"
14#include "lldb/Target/Target.h"
15#include "lldb/Target/Thread.h"
16#include "lldb/Utility/DataBufferHeap.h"
17#include "lldb/Utility/DataExtractor.h"
18#include "lldb/Utility/Endian.h"
19#include "lldb/Utility/RegisterValue.h"
20#include "lldb/Utility/Scalar.h"
21#include "llvm/Support/Compiler.h"
22
23#include "RegisterContextPOSIX_arm64.h"
24
25using namespace lldb;
26using namespace lldb_private;
27
28bool RegisterContextPOSIX_arm64::IsGPR(unsigned reg) {
29 if (m_register_info_up->GetRegisterSetFromRegisterIndex(reg_index: reg) ==
30 RegisterInfoPOSIX_arm64::GPRegSet)
31 return true;
32 return false;
33}
34
35bool RegisterContextPOSIX_arm64::IsFPR(unsigned reg) {
36 if (m_register_info_up->GetRegisterSetFromRegisterIndex(reg_index: reg) ==
37 RegisterInfoPOSIX_arm64::FPRegSet)
38 return true;
39 return false;
40}
41
42bool RegisterContextPOSIX_arm64::IsSVE(unsigned reg) const {
43 return m_register_info_up->IsSVEReg(reg);
44}
45
46bool RegisterContextPOSIX_arm64::IsSME(unsigned reg) const {
47 return m_register_info_up->IsSMEReg(reg);
48}
49
50bool RegisterContextPOSIX_arm64::IsPAuth(unsigned reg) const {
51 return m_register_info_up->IsPAuthReg(reg);
52}
53
54bool RegisterContextPOSIX_arm64::IsTLS(unsigned reg) const {
55 return m_register_info_up->IsTLSReg(reg);
56}
57
58bool RegisterContextPOSIX_arm64::IsMTE(unsigned reg) const {
59 return m_register_info_up->IsMTEReg(reg);
60}
61
62bool RegisterContextPOSIX_arm64::IsFPMR(unsigned reg) const {
63 return m_register_info_up->IsFPMRReg(reg);
64}
65
66bool RegisterContextPOSIX_arm64::IsGCS(unsigned reg) const {
67 return m_register_info_up->IsGCSReg(reg);
68}
69
70RegisterContextPOSIX_arm64::RegisterContextPOSIX_arm64(
71 lldb_private::Thread &thread,
72 std::unique_ptr<RegisterInfoPOSIX_arm64> register_info)
73 : lldb_private::RegisterContext(thread, 0),
74 m_register_info_up(std::move(register_info)) {}
75
76RegisterContextPOSIX_arm64::~RegisterContextPOSIX_arm64() = default;
77
78void RegisterContextPOSIX_arm64::Invalidate() {}
79
80void RegisterContextPOSIX_arm64::InvalidateAllRegisters() {}
81
82unsigned RegisterContextPOSIX_arm64::GetRegisterOffset(unsigned reg) {
83 return m_register_info_up->GetRegisterInfo()[reg].byte_offset;
84}
85
86unsigned RegisterContextPOSIX_arm64::GetRegisterSize(unsigned reg) {
87 return m_register_info_up->GetRegisterInfo()[reg].byte_size;
88}
89
90size_t RegisterContextPOSIX_arm64::GetRegisterCount() {
91 return m_register_info_up->GetRegisterCount();
92}
93
94size_t RegisterContextPOSIX_arm64::GetGPRSize() {
95 return m_register_info_up->GetGPRSize();
96}
97
98const lldb_private::RegisterInfo *
99RegisterContextPOSIX_arm64::GetRegisterInfo() {
100 // Commonly, this method is overridden and g_register_infos is copied and
101 // specialized. So, use GetRegisterInfo() rather than g_register_infos in
102 // this scope.
103 return m_register_info_up->GetRegisterInfo();
104}
105
106const lldb_private::RegisterInfo *
107RegisterContextPOSIX_arm64::GetRegisterInfoAtIndex(size_t reg) {
108 if (reg < GetRegisterCount())
109 return &GetRegisterInfo()[reg];
110
111 return nullptr;
112}
113
114size_t RegisterContextPOSIX_arm64::GetRegisterSetCount() {
115 return m_register_info_up->GetRegisterSetCount();
116}
117
118const lldb_private::RegisterSet *
119RegisterContextPOSIX_arm64::GetRegisterSet(size_t set) {
120 return m_register_info_up->GetRegisterSet(reg_set: set);
121}
122
123const char *RegisterContextPOSIX_arm64::GetRegisterName(unsigned reg) {
124 if (reg < GetRegisterCount())
125 return GetRegisterInfo()[reg].name;
126 return nullptr;
127}
128

source code of lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm64.cpp