1 //===-- RegisterContextPOSIX_riscv64.cpp ------------------------*- 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 #include "lldb/Target/Process.h"
10 #include "lldb/Target/Target.h"
11 #include "lldb/Target/Thread.h"
12 #include "lldb/Utility/DataBufferHeap.h"
13 #include "lldb/Utility/DataExtractor.h"
14 #include "lldb/Utility/Endian.h"
15 #include "lldb/Utility/RegisterValue.h"
16 #include "lldb/Utility/Scalar.h"
17 #include "llvm/Support/Compiler.h"
18 
19 #include "RegisterContextPOSIX_riscv64.h"
20 
21 using namespace lldb;
22 using namespace lldb_private;
23 
RegisterContextPOSIX_riscv64(lldb_private::Thread & thread,std::unique_ptr<RegisterInfoPOSIX_riscv64> register_info)24 RegisterContextPOSIX_riscv64::RegisterContextPOSIX_riscv64(
25     lldb_private::Thread &thread,
26     std::unique_ptr<RegisterInfoPOSIX_riscv64> register_info)
27     : lldb_private::RegisterContext(thread, 0),
28       m_register_info_up(std::move(register_info)) {}
29 
30 RegisterContextPOSIX_riscv64::~RegisterContextPOSIX_riscv64() = default;
31 
invalidate()32 void RegisterContextPOSIX_riscv64::invalidate() {}
33 
InvalidateAllRegisters()34 void RegisterContextPOSIX_riscv64::InvalidateAllRegisters() {}
35 
GetRegisterCount()36 size_t RegisterContextPOSIX_riscv64::GetRegisterCount() {
37   return m_register_info_up->GetRegisterCount();
38 }
39 
GetGPRSize()40 size_t RegisterContextPOSIX_riscv64::GetGPRSize() {
41   return m_register_info_up->GetGPRSize();
42 }
43 
GetRegisterSize(unsigned int reg)44 unsigned RegisterContextPOSIX_riscv64::GetRegisterSize(unsigned int reg) {
45   return m_register_info_up->GetRegisterInfo()[reg].byte_size;
46 }
47 
GetRegisterOffset(unsigned int reg)48 unsigned RegisterContextPOSIX_riscv64::GetRegisterOffset(unsigned int reg) {
49   return m_register_info_up->GetRegisterInfo()[reg].byte_offset;
50 }
51 
52 const lldb_private::RegisterInfo *
GetRegisterInfoAtIndex(size_t reg)53 RegisterContextPOSIX_riscv64::GetRegisterInfoAtIndex(size_t reg) {
54   if (reg < GetRegisterCount())
55     return &GetRegisterInfo()[reg];
56 
57   return nullptr;
58 }
59 
GetRegisterSetCount()60 size_t RegisterContextPOSIX_riscv64::GetRegisterSetCount() {
61   return m_register_info_up->GetRegisterCount();
62 }
63 
64 const lldb_private::RegisterSet *
GetRegisterSet(size_t set)65 RegisterContextPOSIX_riscv64::GetRegisterSet(size_t set) {
66   return m_register_info_up->GetRegisterSet(set);
67 }
68 
69 const lldb_private::RegisterInfo *
GetRegisterInfo()70 RegisterContextPOSIX_riscv64::GetRegisterInfo() {
71   return m_register_info_up->GetRegisterInfo();
72 }
73 
IsGPR(unsigned int reg)74 bool RegisterContextPOSIX_riscv64::IsGPR(unsigned int reg) {
75   return m_register_info_up->GetRegisterSetFromRegisterIndex(reg) ==
76          RegisterInfoPOSIX_riscv64::GPRegSet;
77 }
78 
IsFPR(unsigned int reg)79 bool RegisterContextPOSIX_riscv64::IsFPR(unsigned int reg) {
80   return m_register_info_up->GetRegisterSetFromRegisterIndex(reg) ==
81          RegisterInfoPOSIX_riscv64::FPRegSet;
82 }
83