b8e706b1a5
After each simulator break, T32Tracer retrieves the latest (16) trace records from the T32. Memory address and value can now be evaluated easily from the trace record. TODO:Nevertheless we still have to traverse the trace to find the instruction causing the access.
67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
#include "T32Tracer.hpp"
|
|
#include "T32TraceFormat.hpp"
|
|
#include <fstream>
|
|
#include <iostream>
|
|
#include "t32.h"
|
|
|
|
using namespace std;
|
|
|
|
namespace fail {
|
|
|
|
T32Tracer::T32Tracer( const std::string& tfile ) : path(tfile), m_log("T32Tracer", false) {
|
|
// TODO Check if tracing is available:
|
|
avail = true;
|
|
exportcmd = "Trace.export " + path;
|
|
m_log << "Trace file: " << path.c_str() << endl;
|
|
}
|
|
|
|
|
|
void T32Tracer::setup() const {
|
|
T32_Cmd("Trace.SIZE 16."); // trace 16 records
|
|
T32_Cmd("Trace.METHOD Analyzer");
|
|
T32_Cmd("Trace.autoarm on");
|
|
T32_Cmd("Trace.autoinit on");
|
|
T32_Cmd("Trace.state");
|
|
}
|
|
|
|
int T32Tracer::evaluate(){
|
|
// clear old records
|
|
rvec.clear();
|
|
|
|
// export trace to file
|
|
//T32_Cmd(static_cast<char*>(exportcmd.c_str()));
|
|
T32_Cmd((char*)(exportcmd.c_str()));
|
|
// open trace file.
|
|
ifstream tracefile;
|
|
tracefile.open(path.c_str(), ios::in | ios::binary);
|
|
|
|
if(tracefile.is_open()){
|
|
// evaluate trace.
|
|
T32TraceHeader hdr;
|
|
tracefile.seekg(0, ios::beg);
|
|
tracefile.read(reinterpret_cast<char*>(&hdr), sizeof(T32TraceHeader));
|
|
|
|
T32TraceRecord r;
|
|
for(size_t i = 0; i < hdr.number_of_records; ++i) {
|
|
tracefile.read(reinterpret_cast<char*>(&r), sizeof(T32TraceRecord));
|
|
rvec.push_back(r); // add trace record to vector
|
|
}
|
|
return rvec.size();
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
bool T32Tracer::wasDataAccess(void) const {
|
|
// TODO if rvec.size() != 0 !!
|
|
return rvec.back().isDataAccess();
|
|
}
|
|
|
|
|
|
void T32Tracer::dump(void){
|
|
for(size_t i = 0; i < rvec.size(); ++i) {
|
|
m_log << "[" << dec << i << "] " << rvec[i] << endl;
|
|
}
|
|
}
|
|
|
|
}; // end of namespace fail
|