Refactoring only: Extracted method to print deopt location.

src/objects.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 9120 matching lines @@
     CODE_AGE_LIST(HANDLE_CODE_AGE)
 #undef HANDLE_CODE_AGE
     default:
       UNREACHABLE();
       break;
   }
   return NULL;
 }
 
 
+void Code::PrintDeoptLocation(int bailout_id) {
+  const char* last_comment = NULL;
+  int mask = RelocInfo::ModeMask(RelocInfo::COMMENT)
+      | RelocInfo::ModeMask(RelocInfo::RUNTIME_ENTRY);
+  for (RelocIterator it(this, mask); !it.done(); it.next()) {
+    RelocInfo* info = it.rinfo();
+    if (info->rmode() == RelocInfo::COMMENT) {
+      last_comment = reinterpret_cast<const char*>(info->data());
+    } else if (last_comment != NULL &&
+               bailout_id == Deoptimizer::GetDeoptimizationId(
+                   info->target_address(), Deoptimizer::EAGER)) {
+      CHECK(info->rmode() == RelocInfo::RUNTIME_ENTRY);
+      PrintF("            %s\n", last_comment);
+      return;
+    }
+  }
+}
+
+
 #ifdef ENABLE_DISASSEMBLER
 
 void DeoptimizationInputData::DeoptimizationInputDataPrint(FILE* out) {
   disasm::NameConverter converter;
   int deopt_count = DeoptCount();
   PrintF(out, "Deoptimization Input Data (deopt points = %d)\n", deopt_count);
   if (0 == deopt_count) return;
 
   PrintF(out, "%6s  %6s  %6s %6s %12s\n", "index", "ast id", "argc", "pc",
          FLAG_print_code_verbose ? "commands" : "");
@@ skipping 4909 matching lines @@
   set_year(Smi::FromInt(year), SKIP_WRITE_BARRIER);
   set_month(Smi::FromInt(month), SKIP_WRITE_BARRIER);
   set_day(Smi::FromInt(day), SKIP_WRITE_BARRIER);
   set_weekday(Smi::FromInt(weekday), SKIP_WRITE_BARRIER);
   set_hour(Smi::FromInt(hour), SKIP_WRITE_BARRIER);
   set_min(Smi::FromInt(min), SKIP_WRITE_BARRIER);
   set_sec(Smi::FromInt(sec), SKIP_WRITE_BARRIER);
 }
 
 } }  // namespace v8::internal