Emit exception handler table in TurboFan.

src/objects.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <sstream>
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/allocation-site-scopes.h"
@@ skipping 11695 matching lines @@
     }
 #ifdef OBJECT_PRINT
     if (!type_feedback_info()->IsUndefined()) {
       OFStream os(stdout);
       TypeFeedbackInfo::cast(type_feedback_info())->TypeFeedbackInfoPrint(os);
       os << "\n";
     }
 #endif
   }
 
+  if (handler_table()->length() > 0 && is_turbofanned()) {
+    os << "Handler Table (size = " << handler_table()->Size() << ")\n";
+    for (int i = 0; i < handler_table()->length(); i += 2) {
+      int pc_offset = Smi::cast(handler_table()->get(i))->value();
+      int handler = Smi::cast(handler_table()->get(i + 1))->value();
+      os << static_cast<const void*>(instruction_start() + pc_offset) << "  ";
+      Vector<char> buf = Vector<char>::New(20);
+      SNPrintF(buf, "%4d %4d\n", pc_offset, handler);
+      os << buf.start();

[Benedikt Meurer, 2015/02/19 18:31:19]

How about using ios formatting here instead of SNPrintF and temp vector?

[Michael Starzinger, 2015/02/20 10:04:54]

Acknowledged. As discussed offline, we'll do that in one go over the codebase.

+    }
+    os << "\n";
+  }
+
   os << "RelocInfo (size = " << relocation_size() << ")\n";
   for (RelocIterator it(this); !it.done(); it.next()) {
     it.rinfo()->Print(GetIsolate(), os);
   }
   os << "\n";
 
 #ifdef OBJECT_PRINT
   if (FLAG_enable_ool_constant_pool) {
     ConstantPoolArray* pool = constant_pool();
     if (pool->length()) {
@@ skipping 5487 matching lines @@
                                                CompilationInfo* info) {
   Handle<DependentCode> codes = DependentCode::InsertCompilationInfo(
       handle(cell->dependent_code(), info->isolate()),
       DependentCode::kPropertyCellChangedGroup, info->object_wrapper());
   if (*codes != cell->dependent_code()) cell->set_dependent_code(*codes);
   info->dependencies(DependentCode::kPropertyCellChangedGroup)->Add(
       cell, info->zone());
 }
 
 } }  // namespace v8::internal