128 lines · cpp
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-exception6//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) ==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) ==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 and101 // specialized. So, use GetRegisterInfo() rather than g_register_infos in102 // 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(set);121}122 123const char *RegisterContextPOSIX_arm64::GetRegisterName(unsigned reg) {124 if (reg < GetRegisterCount())125 return GetRegisterInfo()[reg].name;126 return nullptr;127}128