Pass an isolate to RelocInfo

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 723 matching lines @@
     if (SetMode(RelocInfo::CODE_AGE_SEQUENCE)) {
       rinfo_.data_ = 0;
       rinfo_.pc_ = old_code_age_sequence;
       return;
     }
   }
   done_ = true;
 }
 
 
-RelocIterator::RelocIterator(Code* code, int mode_mask) {
+RelocIterator::RelocIterator(Code* code, int mode_mask)
+    : rinfo_(code->map()->GetIsolate()) {
   rinfo_.host_ = code;
   rinfo_.pc_ = code->instruction_start();
   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();
   // We get the isolate from the map, because at serialization time
   // the code pointer has been cloned and isn't really in heap space.
   Isolate* isolate = code->map()->GetIsolate();
   if (sequence != NULL && !Code::IsYoungSequence(isolate, sequence)) {
     code_age_sequence_ = sequence;
   } else {
     code_age_sequence_ = NULL;
   }
   if (mode_mask_ == 0) pos_ = end_;
   next();
 }
 
 
-RelocIterator::RelocIterator(const CodeDesc& desc, int mode_mask) {
+RelocIterator::RelocIterator(const CodeDesc& desc, int mode_mask)
+    : rinfo_(desc.origin->isolate()) {
   rinfo_.pc_ = desc.buffer;
   rinfo_.data_ = 0;
   // Relocation info is read backwards.
   pos_ = desc.buffer + desc.buffer_size;
   end_ = pos_ - desc.reloc_size;
   done_ = false;
   mode_mask_ = mode_mask;
   last_id_ = 0;
   last_position_ = 0;
   code_age_sequence_ = NULL;
@@ skipping 1126 matching lines @@
 
 
 void Assembler::DataAlign(int m) {
   DCHECK(m >= 2 && base::bits::IsPowerOfTwo32(m));
   while ((pc_offset() & (m - 1)) != 0) {
     db(0);
   }
 }
 }  // namespace internal
 }  // namespace v8