/Users/buildslave/jenkins/workspace/coverage/llvm-project/lldb/source/Plugins/Process/elf-core/RegisterContextPOSIXCore_arm64.h
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1 | | //===-- RegisterContextPOSIXCore_arm64.h ------------------------*- C++ -*-===// |
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 | | #ifndef LLDB_SOURCE_PLUGINS_PROCESS_ELF_CORE_REGISTERCONTEXTPOSIXCORE_ARM64_H |
10 | | #define LLDB_SOURCE_PLUGINS_PROCESS_ELF_CORE_REGISTERCONTEXTPOSIXCORE_ARM64_H |
11 | | |
12 | | #include "Plugins/Process/Utility/LinuxPTraceDefines_arm64sve.h" |
13 | | #include "Plugins/Process/Utility/RegisterContextPOSIX_arm64.h" |
14 | | #include "Plugins/Process/Utility/RegisterFlagsLinux_arm64.h" |
15 | | |
16 | | #include "Plugins/Process/elf-core/RegisterUtilities.h" |
17 | | #include "lldb/Utility/DataBufferHeap.h" |
18 | | #include "lldb/Utility/DataExtractor.h" |
19 | | |
20 | | class RegisterContextCorePOSIX_arm64 : public RegisterContextPOSIX_arm64 { |
21 | | public: |
22 | | static std::unique_ptr<RegisterContextCorePOSIX_arm64> |
23 | | Create(lldb_private::Thread &thread, const lldb_private::ArchSpec &arch, |
24 | | const lldb_private::DataExtractor &gpregset, |
25 | | llvm::ArrayRef<lldb_private::CoreNote> notes); |
26 | | |
27 | | ~RegisterContextCorePOSIX_arm64() override; |
28 | | |
29 | | bool ReadRegister(const lldb_private::RegisterInfo *reg_info, |
30 | | lldb_private::RegisterValue &value) override; |
31 | | |
32 | | bool WriteRegister(const lldb_private::RegisterInfo *reg_info, |
33 | | const lldb_private::RegisterValue &value) override; |
34 | | |
35 | | bool ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override; |
36 | | |
37 | | bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override; |
38 | | |
39 | | bool HardwareSingleStep(bool enable) override; |
40 | | |
41 | | protected: |
42 | | RegisterContextCorePOSIX_arm64( |
43 | | lldb_private::Thread &thread, |
44 | | std::unique_ptr<RegisterInfoPOSIX_arm64> register_info, |
45 | | const lldb_private::DataExtractor &gpregset, |
46 | | llvm::ArrayRef<lldb_private::CoreNote> notes); |
47 | | |
48 | | bool ReadGPR() override; |
49 | | |
50 | | bool ReadFPR() override; |
51 | | |
52 | | bool WriteGPR() override; |
53 | | |
54 | | bool WriteFPR() override; |
55 | | |
56 | | private: |
57 | | lldb_private::DataExtractor m_gpr_data; |
58 | | lldb_private::DataExtractor m_fpr_data; |
59 | | lldb_private::DataExtractor m_sve_data; |
60 | | lldb_private::DataExtractor m_pac_data; |
61 | | lldb_private::DataExtractor m_tls_data; |
62 | | lldb_private::DataExtractor m_za_data; |
63 | | lldb_private::DataExtractor m_mte_data; |
64 | | lldb_private::DataExtractor m_zt_data; |
65 | | |
66 | | SVEState m_sve_state = SVEState::Unknown; |
67 | | uint16_t m_sve_vector_length = 0; |
68 | | |
69 | | // These are pseudo registers derived from the values in SSVE and ZA data. |
70 | | struct __attribute__((packed)) sme_pseudo_regs { |
71 | | uint64_t ctrl_reg; |
72 | | uint64_t svg_reg; |
73 | | }; |
74 | | static_assert(sizeof(sme_pseudo_regs) == 16); |
75 | | |
76 | | struct sme_pseudo_regs m_sme_pseudo_regs; |
77 | | |
78 | | lldb_private::LinuxArm64RegisterFlags m_linux_register_flags; |
79 | | |
80 | | const uint8_t *GetSVEBuffer(uint64_t offset = 0); |
81 | | |
82 | | void ConfigureRegisterContext(); |
83 | | |
84 | | uint32_t CalculateSVEOffset(const lldb_private::RegisterInfo *reg_info); |
85 | | |
86 | 9 | uint64_t GetSVERegVG() { return m_sve_vector_length / 8; } |
87 | | }; |
88 | | |
89 | | #endif // LLDB_SOURCE_PLUGINS_PROCESS_ELF_CORE_REGISTERCONTEXTPOSIXCORE_ARM64_H |