| //===-- RegisterContextPOSIX_arm64.cpp ------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include <cstring> |
| #include <errno.h> |
| #include <stdint.h> |
| |
| #include "lldb/Target/Process.h" |
| #include "lldb/Target/Target.h" |
| #include "lldb/Target/Thread.h" |
| #include "lldb/Utility/DataBufferHeap.h" |
| #include "lldb/Utility/DataExtractor.h" |
| #include "lldb/Utility/Endian.h" |
| #include "lldb/Utility/RegisterValue.h" |
| #include "lldb/Utility/Scalar.h" |
| #include "llvm/Support/Compiler.h" |
| |
| #include "RegisterContextPOSIX_arm64.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| bool RegisterContextPOSIX_arm64::IsGPR(unsigned reg) { |
| if (m_register_info_up->GetRegisterSetFromRegisterIndex(reg) == |
| RegisterInfoPOSIX_arm64::GPRegSet) |
| return true; |
| return false; |
| } |
| |
| bool RegisterContextPOSIX_arm64::IsFPR(unsigned reg) { |
| if (m_register_info_up->GetRegisterSetFromRegisterIndex(reg) == |
| RegisterInfoPOSIX_arm64::FPRegSet) |
| return true; |
| return false; |
| } |
| |
| RegisterContextPOSIX_arm64::RegisterContextPOSIX_arm64( |
| lldb_private::Thread &thread, |
| std::unique_ptr<RegisterInfoPOSIX_arm64> register_info) |
| : lldb_private::RegisterContext(thread, 0), |
| m_register_info_up(std::move(register_info)) { |
| |
| ::memset(&m_fpr, 0, sizeof m_fpr); |
| } |
| |
| RegisterContextPOSIX_arm64::~RegisterContextPOSIX_arm64() {} |
| |
| void RegisterContextPOSIX_arm64::Invalidate() {} |
| |
| void RegisterContextPOSIX_arm64::InvalidateAllRegisters() {} |
| |
| unsigned RegisterContextPOSIX_arm64::GetRegisterOffset(unsigned reg) { |
| return m_register_info_up->GetRegisterInfo()[reg].byte_offset; |
| } |
| |
| unsigned RegisterContextPOSIX_arm64::GetRegisterSize(unsigned reg) { |
| return m_register_info_up->GetRegisterInfo()[reg].byte_size; |
| } |
| |
| size_t RegisterContextPOSIX_arm64::GetRegisterCount() { |
| return m_register_info_up->GetRegisterCount(); |
| } |
| |
| size_t RegisterContextPOSIX_arm64::GetGPRSize() { |
| return m_register_info_up->GetGPRSize(); |
| } |
| |
| const lldb_private::RegisterInfo * |
| RegisterContextPOSIX_arm64::GetRegisterInfo() { |
| // Commonly, this method is overridden and g_register_infos is copied and |
| // specialized. So, use GetRegisterInfo() rather than g_register_infos in |
| // this scope. |
| return m_register_info_up->GetRegisterInfo(); |
| } |
| |
| const lldb_private::RegisterInfo * |
| RegisterContextPOSIX_arm64::GetRegisterInfoAtIndex(size_t reg) { |
| if (reg < GetRegisterCount()) |
| return &GetRegisterInfo()[reg]; |
| else |
| return nullptr; |
| } |
| |
| size_t RegisterContextPOSIX_arm64::GetRegisterSetCount() { |
| return m_register_info_up->GetRegisterSetCount(); |
| } |
| |
| const lldb_private::RegisterSet * |
| RegisterContextPOSIX_arm64::GetRegisterSet(size_t set) { |
| return m_register_info_up->GetRegisterSet(set); |
| } |
| |
| const char *RegisterContextPOSIX_arm64::GetRegisterName(unsigned reg) { |
| if (reg < GetRegisterCount()) |
| return GetRegisterInfo()[reg].name; |
| return nullptr; |
| } |