Extracting relocation info from the code object....

src/objects-inl.h

Index: src/objects-inl.h
===================================================================
--- src/objects-inl.h	(revision 5008)
+++ src/objects-inl.h	(working copy)
@@ -2784,7 +2784,7 @@
 
 
 INT_ACCESSORS(Code, instruction_size, kInstructionSizeOffset)
-INT_ACCESSORS(Code, relocation_size, kRelocationSizeOffset)
+ACCESSORS(Code, relocation_info, ByteArray, kRelocationInfoOffset)
 INT_ACCESSORS(Code, sinfo_size, kSInfoSizeOffset)
 
 
@@ -2793,16 +2793,31 @@
 }
 
 
+byte* Code::instruction_end()  {
+  return instruction_start() + instruction_size();
+}
+
+
 int Code::body_size() {
-  return RoundUp(instruction_size() + relocation_size(), kObjectAlignment);
+  return RoundUp(instruction_size(), kObjectAlignment);
 }
 
 
+ByteArray* Code::unchecked_relocation_info() {
+  return reinterpret_cast<ByteArray*>(READ_FIELD(this, kRelocationInfoOffset));
+}
+
+
 byte* Code::relocation_start() {
-  return FIELD_ADDR(this, kHeaderSize + instruction_size());
+  return unchecked_relocation_info()->GetDataStartAddress();
 }
 
 
+int Code::relocation_size() {
+  return unchecked_relocation_info()->length();
+}
+
+
 byte* Code::entry() {
   return instruction_start();
 }