adds support for compressed instructions

src/plugin/pctrace.cpp

@@ -157,8 +157,9 @@ void cov::callback(instr_info_t iinfo, const exec_info& einfo) {
     size_t id = iinfo.instr_id;
     auto entry = delays[id];
     auto instr = instr_if->get_instr_word();
-    auto call = (id==2 || id==3) && bit_sub<7,5>(instr)!=0;
+    auto call = id==65 || id ==86 || ((id==2 || id==3) && bit_sub<7,5>(instr)!=0) ;//not taking care of tail calls (jalr with loading x6)
     bool taken = einfo.branch_taken;
+    bool compressed = (instr&0x3)!=0x3;
     if (einfo.branch_taken) {
         delay = entry.taken;
         if(entry.taken > 1)
@@ -169,10 +170,10 @@ void cov::callback(instr_info_t iinfo, const exec_info& einfo) {
             instr_if->set_curr_instr_cycles(entry.not_taken);
     }
 #ifndef WITH_LZ4
-    output<<std::hex <<"0x" << instr_if->get_pc() <<"," << delay <<"," << call<< "\n";
+    output<<std::hex <<"0x" << instr_if->get_pc() <<"," << delay <<"," << call<<","<<(compressed?2:4) <<"\n";
 #else
     auto rdbuf=ostr.rdbuf();
-    ostr<<std::hex <<"0x" << instr_if->get_pc() <<"," << delay <<"," << call<< "\n";
+    ostr<<std::hex <<"0x" << instr_if->get_pc() <<"," << delay <<"," << call<<","<<(compressed?2:4) <<"\n";
 #endif
 }
 }