2c7640fe90
The import-trace tool now systematically collects statistics on which LLVM -> FAIL* register ID mappings failed during import, and presents those after the import finished. Change-Id: Ied67853d754483277868fe21bf2c6efeaeb60f09
68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
#ifndef __REGISTER_IMPORTER_H__
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#define __REGISTER_IMPORTER_H__
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#include <set>
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#include "util/CommandLine.hpp"
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#include "Importer.hpp"
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#include "util/llvmdisassembler/LLVMDisassembler.hpp"
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class RegisterImporter : public Importer {
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llvm::object::Binary *binary = 0;
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std::unique_ptr<fail::LLVMDisassembler> disas;
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fail::LLVMtoFailTranslator *m_ltof = 0;
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bool addRegisterTrace(fail::simtime_t curtime, instruction_count_t instr,
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Trace_Event &ev,
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const fail::LLVMtoFailTranslator::reginfo_t &info,
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char access_type);
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fail::CommandLine::option_handle NO_GP, FLAGS, IP, NO_SPLIT;
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bool do_gp, do_flags, do_ip, do_split_registers;
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std::set<unsigned> m_register_ids;
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unsigned m_ip_register_id;
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// Data structures for recording failed LLVM -> FAIL* register mappings,
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// including occurrence counts in the trace (to give an estimate on the
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// impact) and instruction addresses (for debugging purposes).
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struct RegNotFound {
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uint64_t count = 0;
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std::set<fail::guest_address_t> address;
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};
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std::map<fail::LLVMDisassembler::register_t, RegNotFound> m_regnotfound;
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public:
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RegisterImporter() : Importer(), do_gp(true), do_flags(false), do_ip(false),
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do_split_registers(true), m_ip_register_id(0) {}
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/**
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* Callback function that can be used to add command line options
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* to the cmd interface
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*/
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virtual bool cb_commandline_init();
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protected:
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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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/* ignore on purpose */
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return true;
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}
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virtual bool trace_end_reached();
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virtual void open_unused_ec_intervals() {
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/* empty, Memory Map has a different meaning in this importer */
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}
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void getAliases(std::deque<std::string> *aliases) {
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aliases->push_back("RegisterImporter");
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aliases->push_back("regs");
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}
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};
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#endif
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