Ejemplo n.º 1
0
void
OMR::CodeGenPhase::performEmitSnippetsPhase(TR::CodeGenerator * cg, TR::CodeGenPhase * phase)
   {
   TR::Compilation * comp = cg->comp();
   phase->reportPhase(EmitSnippetsPhase);

   TR::LexicalMemProfiler mp("Emit Snippets", comp->phaseMemProfiler());
   LexicalTimer pt("Emit Snippets", comp->phaseTimer());

   cg->emitSnippets();

   if (comp->getOption(TR_EnableOSR))
      {
      comp->getOSRCompilationData()->checkOSRLimits();
      comp->getOSRCompilationData()->compressInstruction2SharedSlotMap();
      }

   if (comp->getOption(TR_TraceCG) || comp->getOptions()->getTraceCGOption(TR_TraceCGPostBinaryEncoding))
      {
      diagnostic("\nbuffer start = %8x, code start = %8x, buffer length = %d", cg->getBinaryBufferStart(), cg->getCodeStart(), cg->getEstimatedCodeLength());
      diagnostic("\n");
      const char * title = "Post Binary Instructions";

      comp->getDebug()->dumpMethodInstrs(comp->getOutFile(), title, false, true);

      traceMsg(comp,"<snippets>");
      comp->getDebug()->print(comp->getOutFile(), cg->getSnippetList());
      traceMsg(comp,"\n</snippets>\n");

      auto iterator = cg->getSnippetList().begin();
      int32_t estimatedSnippetStart = cg->getEstimatedSnippetStart();
      while (iterator != cg->getSnippetList().end())
         {
         estimatedSnippetStart += (*iterator)->getLength(estimatedSnippetStart);
         ++iterator;
         }
      int32_t snippetLength = estimatedSnippetStart - cg->getEstimatedSnippetStart();

      diagnostic("\nAmount of code memory allocated for this function        = %d"
                  "\nAmount of code memory consumed for this function         = %d"
                  "\nAmount of snippet code memory consumed for this function = %d\n\n",
                  cg->getEstimatedCodeLength(),
                  cg->getCodeLength(),
                  snippetLength);
      }
   }
Ejemplo n.º 2
0
void
OMR::CodeGenPhase::performProcessRelocationsPhase(TR::CodeGenerator * cg, TR::CodeGenPhase * phase)
   {
   TR::Compilation * comp = cg->comp();

   if (comp->getPersistentInfo()->isRuntimeInstrumentationEnabled())
      {
      // This must be called before relocations to generate the relocation data for the profiled instructions.
      cg->createHWPRecords();
      }

   phase->reportPhase(ProcessRelocationsPhase);

   TR::LexicalMemProfiler mp(phase->getName(), comp->phaseMemProfiler());
   LexicalTimer pt(phase->getName(), comp->phaseTimer());

   cg->processRelocations();

   cg->resizeCodeMemory();
   cg->registerAssumptions();

   cg->syncCode(cg->getBinaryBufferStart(), cg->getBinaryBufferCursor() - cg->getBinaryBufferStart());

   if (comp->getOption(TR_EnableOSR))
     {
     if (comp->getOption(TR_TraceOSR) && !comp->getOption(TR_DisableOSRSharedSlots))
        {
        (*comp) << "OSRCompilationData is " << *comp->getOSRCompilationData() << "\n";
        }
     }

   if (comp->getOption(TR_AOT) && (comp->getOption(TR_TraceRelocatableDataCG) || comp->getOption(TR_TraceRelocatableDataDetailsCG) || comp->getOption(TR_TraceReloCG)))
     {
     traceMsg(comp, "\n<relocatableDataCG>\n");
     if (comp->getOption(TR_TraceRelocatableDataDetailsCG)) // verbose output
        {
        uint8_t * relocatableMethodCodeStart = (uint8_t *)comp->getRelocatableMethodCodeStart();
        traceMsg(comp, "Code start = %8x, Method start pc = %x, Method start pc offset = 0x%x\n", relocatableMethodCodeStart, cg->getCodeStart(), cg->getCodeStart() - relocatableMethodCodeStart);
        }
     cg->getAheadOfTimeCompile()->dumpRelocationData();
     traceMsg(comp, "</relocatableDataCG>\n");
     }

     if (debug("dumpCodeSizes"))
        {
        diagnostic("%08d   %s\n", cg->getCodeLength(), comp->signature());
        }

     if (comp->getCurrentMethod() == NULL)
        {
        comp->getMethodSymbol()->setMethodAddress(cg->getBinaryBufferStart());
        }

     TR_ASSERT(cg->getCodeLength() <= cg->getEstimatedCodeLength(),
               "Method length estimate must be conservatively large\n"
               "    codeLength = %d, estimatedCodeLength = %d \n",
               cg->getCodeLength(), cg->getEstimatedCodeLength()
               );

     // also trace the interal stack atlas
     cg->getStackAtlas()->close(cg);

     TR::SimpleRegex * regex = comp->getOptions()->getSlipTrap();
     if (regex && TR::SimpleRegex::match(regex, comp->getCurrentMethod()))
        {
        if (TR::Compiler->target.is64Bit())
        {
        setDllSlip((char*)cg->getCodeStart(),(char*)cg->getCodeStart()+cg->getCodeLength(),"SLIPDLL64", comp);
        }
     else
        {
        setDllSlip((char*)cg->getCodeStart(),(char*)cg->getCodeStart()+cg->getCodeLength(),"SLIPDLL31", comp);
        }
     }
   if (comp->getOption(TR_TraceCG) || comp->getOptions()->getTraceCGOption(TR_TraceCGPostBinaryEncoding))
      {
      const char * title = "Post Relocation Instructions";
      comp->getDebug()->dumpMethodInstrs(comp->getOutFile(), title, false, true);

      traceMsg(comp,"<snippets>");
      comp->getDebug()->print(comp->getOutFile(), cg->getSnippetList());
      traceMsg(comp,"\n</snippets>\n");

      auto iterator = cg->getSnippetList().begin();
      int32_t estimatedSnippetStart = cg->getEstimatedSnippetStart();
      while (iterator != cg->getSnippetList().end())
         {
         estimatedSnippetStart += (*iterator)->getLength(estimatedSnippetStart);
         ++iterator;
         }
      }
   }