/Users/buildslave/jenkins/workspace/coverage/llvm-project/lldb/source/Plugins/Instruction/RISCV/EmulateInstructionRISCV.h
Line | Count | Source (jump to first uncovered line) |
1 | | //===-- EmulateInstructionRISCV.h -----------------------------------------===// |
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_INSTRUCTION_RISCV_EMULATEINSTRUCTIONRISCV_H |
10 | | #define LLDB_SOURCE_PLUGINS_INSTRUCTION_RISCV_EMULATEINSTRUCTIONRISCV_H |
11 | | |
12 | | #include "RISCVInstructions.h" |
13 | | |
14 | | #include "lldb/Core/EmulateInstruction.h" |
15 | | #include "lldb/Interpreter/OptionValue.h" |
16 | | #include "lldb/Utility/Log.h" |
17 | | #include "lldb/Utility/RegisterValue.h" |
18 | | #include "lldb/Utility/Status.h" |
19 | | #include <optional> |
20 | | |
21 | | namespace lldb_private { |
22 | | |
23 | | class EmulateInstructionRISCV : public EmulateInstruction { |
24 | | public: |
25 | 3.92k | static llvm::StringRef GetPluginNameStatic() { return "riscv"; } |
26 | | |
27 | 3.92k | static llvm::StringRef GetPluginDescriptionStatic() { |
28 | 3.92k | return "Emulate instructions for the RISC-V architecture."; |
29 | 3.92k | } |
30 | | |
31 | 16.7k | static bool SupportsThisInstructionType(InstructionType inst_type) { |
32 | 16.7k | switch (inst_type) { |
33 | 0 | case eInstructionTypeAny: |
34 | 0 | case eInstructionTypePCModifying: |
35 | 0 | return true; |
36 | 16.7k | case eInstructionTypePrologueEpilogue: |
37 | 16.7k | case eInstructionTypeAll: |
38 | 16.7k | return false; |
39 | 16.7k | } |
40 | 0 | llvm_unreachable("Fully covered switch above!"); |
41 | 0 | } |
42 | | |
43 | | static bool SupportsThisArch(const ArchSpec &arch); |
44 | | |
45 | | static lldb_private::EmulateInstruction * |
46 | | CreateInstance(const lldb_private::ArchSpec &arch, InstructionType inst_type); |
47 | | |
48 | | static void Initialize(); |
49 | | |
50 | | static void Terminate(); |
51 | | |
52 | | public: |
53 | 37 | EmulateInstructionRISCV(const ArchSpec &arch) : EmulateInstruction(arch) {} |
54 | | |
55 | 0 | llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); } |
56 | | |
57 | 0 | bool SupportsEmulatingInstructionsOfType(InstructionType inst_type) override { |
58 | 0 | return SupportsThisInstructionType(inst_type); |
59 | 0 | } |
60 | | |
61 | | bool SetTargetTriple(const ArchSpec &arch) override; |
62 | | bool ReadInstruction() override; |
63 | | bool EvaluateInstruction(uint32_t options) override; |
64 | | bool TestEmulation(Stream &out_stream, ArchSpec &arch, |
65 | | OptionValueDictionary *test_data) override; |
66 | | std::optional<RegisterInfo> GetRegisterInfo(lldb::RegisterKind reg_kind, |
67 | | uint32_t reg_num) override; |
68 | | |
69 | | std::optional<lldb::addr_t> ReadPC(); |
70 | | bool WritePC(lldb::addr_t pc); |
71 | | |
72 | | std::optional<DecodeResult> ReadInstructionAt(lldb::addr_t addr); |
73 | | std::optional<DecodeResult> Decode(uint32_t inst); |
74 | | bool Execute(DecodeResult inst, bool ignore_cond); |
75 | | |
76 | | template <typename T> |
77 | | std::enable_if_t<std::is_integral_v<T>, std::optional<T>> |
78 | 60 | ReadMem(uint64_t addr) { |
79 | 60 | EmulateInstructionRISCV::Context ctx; |
80 | 60 | ctx.type = EmulateInstruction::eContextRegisterLoad; |
81 | 60 | ctx.SetNoArgs(); |
82 | 60 | bool success = false; |
83 | 60 | T result = ReadMemoryUnsigned(ctx, addr, sizeof(T), T(), &success); |
84 | 60 | if (!success) |
85 | 0 | return {}; // aka return false |
86 | 60 | return result; |
87 | 60 | } Unexecuted instantiation: std::__1::enable_if<std::is_integral_v<unsigned char>, std::__1::optional<unsigned char> >::type lldb_private::EmulateInstructionRISCV::ReadMem<unsigned char>(unsigned long long) Unexecuted instantiation: std::__1::enable_if<std::is_integral_v<unsigned short>, std::__1::optional<unsigned short> >::type lldb_private::EmulateInstructionRISCV::ReadMem<unsigned short>(unsigned long long) std::__1::enable_if<std::is_integral_v<unsigned long long>, std::__1::optional<unsigned long long> >::type lldb_private::EmulateInstructionRISCV::ReadMem<unsigned long long>(unsigned long long) Line | Count | Source | 78 | 25 | ReadMem(uint64_t addr) { | 79 | 25 | EmulateInstructionRISCV::Context ctx; | 80 | 25 | ctx.type = EmulateInstruction::eContextRegisterLoad; | 81 | 25 | ctx.SetNoArgs(); | 82 | 25 | bool success = false; | 83 | 25 | T result = ReadMemoryUnsigned(ctx, addr, sizeof(T), T(), &success); | 84 | 25 | if (!success) | 85 | 0 | return {}; // aka return false | 86 | 25 | return result; | 87 | 25 | } |
std::__1::enable_if<std::is_integral_v<unsigned int>, std::__1::optional<unsigned int> >::type lldb_private::EmulateInstructionRISCV::ReadMem<unsigned int>(unsigned long long) Line | Count | Source | 78 | 35 | ReadMem(uint64_t addr) { | 79 | 35 | EmulateInstructionRISCV::Context ctx; | 80 | 35 | ctx.type = EmulateInstruction::eContextRegisterLoad; | 81 | 35 | ctx.SetNoArgs(); | 82 | 35 | bool success = false; | 83 | 35 | T result = ReadMemoryUnsigned(ctx, addr, sizeof(T), T(), &success); | 84 | 35 | if (!success) | 85 | 0 | return {}; // aka return false | 86 | 35 | return result; | 87 | 35 | } |
|
88 | | |
89 | 38 | template <typename T> bool WriteMem(uint64_t addr, uint64_t value) { |
90 | 38 | EmulateInstructionRISCV::Context ctx; |
91 | 38 | ctx.type = EmulateInstruction::eContextRegisterStore; |
92 | 38 | ctx.SetNoArgs(); |
93 | 38 | return WriteMemoryUnsigned(ctx, addr, value, sizeof(T)); |
94 | 38 | } Unexecuted instantiation: bool lldb_private::EmulateInstructionRISCV::WriteMem<unsigned char>(unsigned long long, unsigned long long) Unexecuted instantiation: bool lldb_private::EmulateInstructionRISCV::WriteMem<unsigned short>(unsigned long long, unsigned long long) bool lldb_private::EmulateInstructionRISCV::WriteMem<unsigned int>(unsigned long long, unsigned long long) Line | Count | Source | 89 | 20 | template <typename T> bool WriteMem(uint64_t addr, uint64_t value) { | 90 | 20 | EmulateInstructionRISCV::Context ctx; | 91 | 20 | ctx.type = EmulateInstruction::eContextRegisterStore; | 92 | 20 | ctx.SetNoArgs(); | 93 | 20 | return WriteMemoryUnsigned(ctx, addr, value, sizeof(T)); | 94 | 20 | } |
bool lldb_private::EmulateInstructionRISCV::WriteMem<unsigned long long>(unsigned long long, unsigned long long) Line | Count | Source | 89 | 18 | template <typename T> bool WriteMem(uint64_t addr, uint64_t value) { | 90 | 18 | EmulateInstructionRISCV::Context ctx; | 91 | 18 | ctx.type = EmulateInstruction::eContextRegisterStore; | 92 | 18 | ctx.SetNoArgs(); | 93 | 18 | return WriteMemoryUnsigned(ctx, addr, value, sizeof(T)); | 94 | 18 | } |
|
95 | | |
96 | | llvm::RoundingMode GetRoundingMode(); |
97 | | bool SetAccruedExceptions(llvm::APFloatBase::opStatus); |
98 | | |
99 | | private: |
100 | | /// Last decoded instruction from m_opcode |
101 | | DecodeResult m_decoded; |
102 | | }; |
103 | | |
104 | | } // namespace lldb_private |
105 | | |
106 | | #endif // LLDB_SOURCE_PLUGINS_INSTRUCTION_RISCV_EMULATEINSTRUCTIONRISCV_H |