77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
// Copyright 2022 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <optional>
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#include <set>
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#include <string>
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#include <vector>
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#include "Common/CommonTypes.h"
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struct InstructionAttributes
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{
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u32 address = 0;
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std::string instruction = "";
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std::string reg0 = "";
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std::string reg1 = "";
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std::string reg2 = "";
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std::string reg3 = "";
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std::optional<u32> memory_target = std::nullopt;
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u32 memory_target_size = 4;
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bool is_store = false;
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bool is_load = false;
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};
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struct TraceOutput
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{
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u32 address;
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std::optional<u32> memory_target = std::nullopt;
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std::string instruction;
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};
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struct AutoStepResults
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{
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std::vector<std::string> reg_tracked;
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std::set<u32> mem_tracked;
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u32 count = 0;
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bool timed_out = false;
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bool trackers_empty = false;
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};
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enum class HitType : u32
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{
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SKIP = (1 << 0), // Not a hit
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OVERWRITE = (1 << 1), // Tracked value gets overwritten by untracked. Typically skipped.
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MOVED = (1 << 2), // Target duplicated to another register, unchanged.
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SAVELOAD = (1 << 3), // Target saved or loaded. Priority over Pointer.
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POINTER = (1 << 4), // Target used as pointer/offset for save or load
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PASSIVE = (1 << 5), // Conditional, etc, but not pointer. Unchanged
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ACTIVE = (1 << 6), // Math, etc. Changed.
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UPDATED = (1 << 7), // Masked or math without changing register.
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};
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class CodeTrace
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{
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public:
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enum class AutoStop
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{
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Always,
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Used,
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Changed
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};
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void SetRegTracked(const std::string& reg);
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AutoStepResults AutoStepping(bool continue_previous = false, AutoStop stop_on = AutoStop::Always);
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private:
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InstructionAttributes GetInstructionAttributes(const TraceOutput& line) const;
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TraceOutput SaveCurrentInstruction() const;
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HitType TraceLogic(const TraceOutput& current_instr, bool first_hit = false);
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bool m_recording = false;
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std::vector<std::string> m_reg_autotrack;
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std::set<u32> m_mem_autotrack;
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};
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