ba7c663551
A MemoryImporter that additionally imports Relyzer-style conditional branch history, instruction opcodes, and a virtual duration=time2-time1+1 column (MariaDB 5.2+ only) for fault-space pruning purposes. Change-Id: I6764a26fa8aae21655be44134b88fdee85e67ff6
40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
#ifndef __ADVANCED_MEMORY_IMPORTER_H__
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#define __ADVANCED_MEMORY_IMPORTER_H__
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#include <vector>
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#include "MemoryImporter.hpp"
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#include "util/llvmdisassembler/LLVMDisassembler.hpp"
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/**
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* A MemoryImporter that additionally imports Relyzer-style conditional branch
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* history, instruction opcodes, and a virtual duration = time2 - time1 + 1
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* column (MariaDB 5.2+ only!) for fault-space pruning purposes.
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*/
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class AdvancedMemoryImporter : public MemoryImporter {
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llvm::OwningPtr<llvm::object::Binary> binary;
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llvm::OwningPtr<fail::LLVMDisassembler> disas;
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bool m_last_was_conditional_branch;
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fail::guest_address_t m_ip_jump_not_taken;
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std::vector<bool> branches_taken;
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struct TraceEntry {
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unsigned instr2;
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uint64_t data_address;
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unsigned data_width;
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unsigned opcode;
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unsigned branches_before;
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};
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std::vector<TraceEntry> update_entries;
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public:
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AdvancedMemoryImporter() : m_last_was_conditional_branch(false) {}
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virtual std::string database_additional_columns();
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virtual bool handle_ip_event(fail::simtime_t curtime, instruction_count_t instr,
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Trace_Event &ev);
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virtual bool handle_mem_event(fail::simtime_t curtime, instruction_count_t instr,
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Trace_Event &ev);
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virtual bool finalize();
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};
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#endif
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