1 | //===-- RegisterContextPOSIXCore_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 "RegisterContextPOSIXCore_arm.h" |
10 | |
11 | #include "lldb/Target/Thread.h" |
12 | #include "lldb/Utility/RegisterValue.h" |
13 | |
14 | #include <memory> |
15 | |
16 | using namespace lldb_private; |
17 | |
18 | RegisterContextCorePOSIX_arm::RegisterContextCorePOSIX_arm( |
19 | Thread &thread, std::unique_ptr<RegisterInfoPOSIX_arm> register_info, |
20 | const DataExtractor &gpregset, llvm::ArrayRef<CoreNote> notes) |
21 | : RegisterContextPOSIX_arm(thread, std::move(register_info)) { |
22 | m_gpr_buffer = std::make_shared<DataBufferHeap>(args: gpregset.GetDataStart(), |
23 | args: gpregset.GetByteSize()); |
24 | m_gpr.SetData(data_sp: m_gpr_buffer); |
25 | m_gpr.SetByteOrder(gpregset.GetByteOrder()); |
26 | } |
27 | |
28 | RegisterContextCorePOSIX_arm::~RegisterContextCorePOSIX_arm() = default; |
29 | |
30 | bool RegisterContextCorePOSIX_arm::ReadGPR() { return true; } |
31 | |
32 | bool RegisterContextCorePOSIX_arm::ReadFPR() { return false; } |
33 | |
34 | bool RegisterContextCorePOSIX_arm::WriteGPR() { |
35 | assert(0); |
36 | return false; |
37 | } |
38 | |
39 | bool RegisterContextCorePOSIX_arm::WriteFPR() { |
40 | assert(0); |
41 | return false; |
42 | } |
43 | |
44 | bool RegisterContextCorePOSIX_arm::ReadRegister(const RegisterInfo *reg_info, |
45 | RegisterValue &value) { |
46 | lldb::offset_t offset = reg_info->byte_offset; |
47 | if (offset + reg_info->byte_size <= GetGPRSize()) { |
48 | uint64_t v = m_gpr.GetMaxU64(offset_ptr: &offset, byte_size: reg_info->byte_size); |
49 | if (offset == reg_info->byte_offset + reg_info->byte_size) { |
50 | value = v; |
51 | return true; |
52 | } |
53 | } |
54 | return false; |
55 | } |
56 | |
57 | bool RegisterContextCorePOSIX_arm::ReadAllRegisterValues( |
58 | lldb::WritableDataBufferSP &data_sp) { |
59 | return false; |
60 | } |
61 | |
62 | bool RegisterContextCorePOSIX_arm::WriteRegister(const RegisterInfo *reg_info, |
63 | const RegisterValue &value) { |
64 | return false; |
65 | } |
66 | |
67 | bool RegisterContextCorePOSIX_arm::WriteAllRegisterValues( |
68 | const lldb::DataBufferSP &data_sp) { |
69 | return false; |
70 | } |
71 | |
72 | bool RegisterContextCorePOSIX_arm::HardwareSingleStep(bool enable) { |
73 | return false; |
74 | } |
75 |