1 //===-- RegisterContextPOSIX_arm64.cpp ------------------------------------===//
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
7 //===----------------------------------------------------------------------===//
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"
23 #include "RegisterContextPOSIX_arm64.h"
26 using namespace lldb_private;
28 bool RegisterContextPOSIX_arm64::IsGPR(unsigned reg) {
29 if (m_register_info_up->GetRegisterSetFromRegisterIndex(reg) ==
30 RegisterInfoPOSIX_arm64::GPRegSet)
35 bool RegisterContextPOSIX_arm64::IsFPR(unsigned reg) {
36 if (m_register_info_up->GetRegisterSetFromRegisterIndex(reg) ==
37 RegisterInfoPOSIX_arm64::FPRegSet)
42 RegisterContextPOSIX_arm64::RegisterContextPOSIX_arm64(
43 lldb_private::Thread &thread,
44 std::unique_ptr<RegisterInfoPOSIX_arm64> register_info)
45 : lldb_private::RegisterContext(thread, 0),
46 m_register_info_up(std::move(register_info)) {
48 ::memset(&m_fpr, 0, sizeof m_fpr);
51 RegisterContextPOSIX_arm64::~RegisterContextPOSIX_arm64() {}
53 void RegisterContextPOSIX_arm64::Invalidate() {}
55 void RegisterContextPOSIX_arm64::InvalidateAllRegisters() {}
57 unsigned RegisterContextPOSIX_arm64::GetRegisterOffset(unsigned reg) {
58 return m_register_info_up->GetRegisterInfo()[reg].byte_offset;
61 unsigned RegisterContextPOSIX_arm64::GetRegisterSize(unsigned reg) {
62 return m_register_info_up->GetRegisterInfo()[reg].byte_size;
65 size_t RegisterContextPOSIX_arm64::GetRegisterCount() {
66 return m_register_info_up->GetRegisterCount();
69 size_t RegisterContextPOSIX_arm64::GetGPRSize() {
70 return m_register_info_up->GetGPRSize();
73 const lldb_private::RegisterInfo *
74 RegisterContextPOSIX_arm64::GetRegisterInfo() {
75 // Commonly, this method is overridden and g_register_infos is copied and
76 // specialized. So, use GetRegisterInfo() rather than g_register_infos in
78 return m_register_info_up->GetRegisterInfo();
81 const lldb_private::RegisterInfo *
82 RegisterContextPOSIX_arm64::GetRegisterInfoAtIndex(size_t reg) {
83 if (reg < GetRegisterCount())
84 return &GetRegisterInfo()[reg];
89 size_t RegisterContextPOSIX_arm64::GetRegisterSetCount() {
90 return m_register_info_up->GetRegisterSetCount();
93 const lldb_private::RegisterSet *
94 RegisterContextPOSIX_arm64::GetRegisterSet(size_t set) {
95 return m_register_info_up->GetRegisterSet(set);
98 const char *RegisterContextPOSIX_arm64::GetRegisterName(unsigned reg) {
99 if (reg < GetRegisterCount())
100 return GetRegisterInfo()[reg].name;