Thumb2 Backend: Update Code objects with mode, separate Assembler methods for Thumb2

src/assembler.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 661 matching lines @@
       rinfo_.pc_ = old_code_age_sequence;
       return;
     }
   }
   done_ = true;
 }
 
 
 RelocIterator::RelocIterator(Code* code, int mode_mask) {
   rinfo_.host_ = code;
-  rinfo_.pc_ = code->instruction_start();
+  rinfo_.pc_ = code->entry();
   rinfo_.data_ = 0;
   // Relocation info is read backwards.
   pos_ = code->relocation_start() + code->relocation_size();
   end_ = code->relocation_start();
   done_ = false;
   mode_mask_ = mode_mask;
   last_id_ = 0;
   last_position_ = 0;
   byte* sequence = code->FindCodeAgeSequence();
   if (sequence != NULL && !Code::IsYoungSequence(sequence)) {
@@ skipping 983 matching lines @@
     assembler_->RecordRelocInfo(RelocInfo::POSITION, state_.current_position);
     state_.written_position = state_.current_position;
     written = true;
   }
 
   // Return whether something was written.
   return written;
 }
 
 } }  // namespace v8::internal