| 1 | //===-- RegisterContextPOSIX_arm.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_arm.h" |
| 24 | |
| 25 | using namespace lldb; |
| 26 | using namespace lldb_private; |
| 27 | |
| 28 | bool RegisterContextPOSIX_arm::IsGPR(unsigned reg) { |
| 29 | if (m_register_info_up->GetRegisterSetFromRegisterIndex(reg_index: reg) == |
| 30 | RegisterInfoPOSIX_arm::GPRegSet) |
| 31 | return true; |
| 32 | return false; |
| 33 | } |
| 34 | |
| 35 | bool RegisterContextPOSIX_arm::IsFPR(unsigned reg) { |
| 36 | if (m_register_info_up->GetRegisterSetFromRegisterIndex(reg_index: reg) == |
| 37 | RegisterInfoPOSIX_arm::FPRegSet) |
| 38 | return true; |
| 39 | return false; |
| 40 | } |
| 41 | |
| 42 | RegisterContextPOSIX_arm::RegisterContextPOSIX_arm( |
| 43 | lldb_private::Thread &thread, |
| 44 | std::unique_ptr<RegisterInfoPOSIX_arm> register_info) |
| 45 | : lldb_private::RegisterContext(thread, 0), |
| 46 | m_register_info_up(std::move(register_info)) {} |
| 47 | |
| 48 | RegisterContextPOSIX_arm::~RegisterContextPOSIX_arm() = default; |
| 49 | |
| 50 | void RegisterContextPOSIX_arm::Invalidate() {} |
| 51 | |
| 52 | void RegisterContextPOSIX_arm::InvalidateAllRegisters() {} |
| 53 | |
| 54 | unsigned RegisterContextPOSIX_arm::GetRegisterOffset(unsigned reg) { |
| 55 | return m_register_info_up->GetRegisterInfo()[reg].byte_offset; |
| 56 | } |
| 57 | |
| 58 | unsigned RegisterContextPOSIX_arm::GetRegisterSize(unsigned reg) { |
| 59 | return m_register_info_up->GetRegisterInfo()[reg].byte_size; |
| 60 | } |
| 61 | |
| 62 | size_t RegisterContextPOSIX_arm::GetRegisterCount() { |
| 63 | return m_register_info_up->GetRegisterCount(); |
| 64 | } |
| 65 | |
| 66 | size_t RegisterContextPOSIX_arm::GetGPRSize() { |
| 67 | return m_register_info_up->GetGPRSize(); |
| 68 | } |
| 69 | |
| 70 | const lldb_private::RegisterInfo *RegisterContextPOSIX_arm::GetRegisterInfo() { |
| 71 | // Commonly, this method is overridden and g_register_infos is copied and |
| 72 | // specialized. So, use GetRegisterInfo() rather than g_register_infos in |
| 73 | // this scope. |
| 74 | return m_register_info_up->GetRegisterInfo(); |
| 75 | } |
| 76 | |
| 77 | const lldb_private::RegisterInfo * |
| 78 | RegisterContextPOSIX_arm::GetRegisterInfoAtIndex(size_t reg) { |
| 79 | if (reg < GetRegisterCount()) |
| 80 | return &GetRegisterInfo()[reg]; |
| 81 | |
| 82 | return nullptr; |
| 83 | } |
| 84 | |
| 85 | size_t RegisterContextPOSIX_arm::GetRegisterSetCount() { |
| 86 | return m_register_info_up->GetRegisterSetCount(); |
| 87 | } |
| 88 | |
| 89 | const lldb_private::RegisterSet * |
| 90 | RegisterContextPOSIX_arm::GetRegisterSet(size_t set) { |
| 91 | return m_register_info_up->GetRegisterSet(reg_set: set); |
| 92 | } |
| 93 | |
| 94 | const char *RegisterContextPOSIX_arm::GetRegisterName(unsigned reg) { |
| 95 | if (reg < GetRegisterCount()) |
| 96 | return GetRegisterInfo()[reg].name; |
| 97 | return nullptr; |
| 98 | } |
| 99 |