inst_pb_trace.hh

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/*
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 * Authors: Ali Saidi
 */

#ifndef __CPU_INST_PB_TRACE_HH__
#define __CPU_INST_PB_TRACE_HH__

#include "arch/types.hh"
#include "base/trace.hh"
#include "base/types.hh"
#include "cpu/static_inst_fwd.hh"
#include "params/InstPBTrace.hh"
#include "proto/protoio.hh"
#include "sim/insttracer.hh"

class ThreadContext;

namespace ProtoMessage {
class Inst;
}

namespace Trace {

class InstPBTraceRecord : public InstRecord
{
  public:
    InstPBTraceRecord(InstPBTrace& _tracer, Tick when, ThreadContext *tc,
                      const StaticInstPtr si, TheISA::PCState pc,
                      const StaticInstPtr mi = NULL)
        : InstRecord(when, tc, si, pc, mi), tracer(_tracer)
    {}

    void dump() override;

  protected:
    InstPBTrace& tracer;

};

class InstPBTrace : public InstTracer
{
 public:
    InstPBTrace(const InstPBTraceParams *p);
    virtual ~InstPBTrace();

    InstPBTraceRecord* getInstRecord(Tick when, ThreadContext *tc, const
                                    StaticInstPtr si, TheISA::PCState pc, const
                                    StaticInstPtr mi = NULL) override;

  protected:
    std::unique_ptr<uint8_t []> buf;
    size_t bufSize;

    static ProtoOutputStream *traceStream;


    ProtoMessage::Inst *curMsg;

    void createTraceFile(std::string filename);

    void closeStreams();

    void traceInst(ThreadContext *tc, StaticInstPtr si, TheISA::PCState pc);

    void traceMem(StaticInstPtr si, Addr a, Addr s, unsigned f);

    friend class InstPBTraceRecord;
};
} // namespace Trace
#endif // __CPU_INST_PB_TRACE_HH__