Streamline the code for patching optimized code for lazy deopt.

src/objects.cc

 // Copyright 2010 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 5983 matching lines @@
 
 SafepointEntry Code::GetSafepointEntry(Address pc) {
   SafepointTable table(this);
   return table.FindEntry(pc);
 }
 
 
 void Code::SetNoStackCheckTable() {
   // Indicate the absence of a stack-check table by a table start after the
   // end of the instructions.  Table start must be aligned, so round up.
-  set_stack_check_table_start(RoundUp(instruction_size(), kIntSize));
+  set_stack_check_table_offset(RoundUp(instruction_size(), kIntSize));
 }
 
 
 Map* Code::FindFirstMap() {
   ASSERT(is_inline_cache_stub());
   AssertNoAllocation no_allocation;
   int mask = RelocInfo::ModeMask(RelocInfo::EMBEDDED_OBJECT);
   for (RelocIterator it(this, mask); !it.done(); it.next()) {
     RelocInfo* info = it.rinfo();
     Object* object = info->target_object();
@@ skipping 256 matching lines @@
       } else {
         PrintF(out, "  <none>");
       }
       if (entry.argument_count() > 0) {
         PrintF(out, " argc: %d", entry.argument_count());
       }
       PrintF(out, "\n");
     }
     PrintF(out, "\n");
   } else if (kind() == FUNCTION) {
-    unsigned offset = stack_check_table_start();
+    unsigned offset = stack_check_table_offset();
     // If there is no stack check table, the "table start" will at or after
     // (due to alignment) the end of the instruction stream.
     if (static_cast<int>(offset) < instruction_size()) {
       unsigned* address =
           reinterpret_cast<unsigned*>(instruction_start() + offset);
       unsigned length = address[0];
       PrintF(out, "Stack checks (size = %u)\n", length);
       PrintF(out, "ast_id  pc_offset\n");
       for (unsigned i = 0; i < length; ++i) {
         unsigned index = (2 * i) + 1;
@@ skipping 3579 matching lines @@
   if (break_point_objects()->IsUndefined()) return 0;
   // Single beak point.
   if (!break_point_objects()->IsFixedArray()) return 1;
   // Multiple break points.
   return FixedArray::cast(break_point_objects())->length();
 }
 #endif
 
 
 } }  // namespace v8::internal