Extracting relocation info from the code object....

src/objects.h

 // Copyright 2006-2009 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 2714 matching lines @@
   static const char* Kind2String(Kind kind);
   static const char* ICState2String(InlineCacheState state);
   static const char* PropertyType2String(PropertyType type);
   void Disassemble(const char* name);
 #endif  // ENABLE_DISASSEMBLER
 
   // [instruction_size]: Size of the native instructions
   inline int instruction_size();
   inline void set_instruction_size(int value);
 
-  // [relocation_size]: Size of relocation information.
+  // [relocation_info]: Code relocation information
+  DECL_ACCESSORS(relocation_info, ByteArray)
+
+  // Unchecked accessor to be used during GC. 
+  inline ByteArray* unchecked_relocation_info();
+
   inline int relocation_size();
-  inline void set_relocation_size(int value);
 
   // [sinfo_size]: Size of scope information.
   inline int sinfo_size();
   inline void set_sinfo_size(int value);
 
   // [flags]: Various code flags.
   inline Flags flags();
   inline void set_flags(Flags flags);
 
   // [flags]: Access to specific code flags.
@@ skipping 35 matching lines @@
   static inline PropertyType ExtractTypeFromFlags(Flags flags);
   static inline int ExtractArgumentsCountFromFlags(Flags flags);
   static inline Flags RemoveTypeFromFlags(Flags flags);
 
   // Convert a target address into a code object.
   static inline Code* GetCodeFromTargetAddress(Address address);
 
   // Returns the address of the first instruction.
   inline byte* instruction_start();
 
+  // Returns the address right after the last instruction.
+  inline byte* instruction_end();
+
   // Returns the size of the instructions, padding, and relocation information.
   inline int body_size();
 
   // Returns the address of the first relocation info (read backwards!).
   inline byte* relocation_start();
 
   // Code entry point.
   inline byte* entry();
 
   // Returns true if pc is inside this object's instructions.
@@ skipping 40 matching lines @@
   void CodePrint();
   void CodeVerify();
 #endif
   // Code entry points are aligned to 32 bytes.
   static const int kCodeAlignmentBits = 5;
   static const int kCodeAlignment = 1 << kCodeAlignmentBits;
   static const int kCodeAlignmentMask = kCodeAlignment - 1;
 
   // Layout description.
   static const int kInstructionSizeOffset = HeapObject::kHeaderSize;
-  static const int kRelocationSizeOffset = kInstructionSizeOffset + kIntSize;
-  static const int kSInfoSizeOffset = kRelocationSizeOffset + kIntSize;
+  static const int kRelocationInfoOffset = kInstructionSizeOffset + kIntSize;
+  static const int kSInfoSizeOffset = kRelocationInfoOffset + kPointerSize;
   static const int kFlagsOffset = kSInfoSizeOffset + kIntSize;
   static const int kKindSpecificFlagsOffset  = kFlagsOffset + kIntSize;
   // Add padding to align the instruction start following right after
   // the Code object header.
   static const int kHeaderSize =
       (kKindSpecificFlagsOffset + kIntSize + kCodeAlignmentMask) &
           ~kCodeAlignmentMask;
 
   // Byte offsets within kKindSpecificFlagsOffset.
   static const int kStubMajorKeyOffset = kKindSpecificFlagsOffset + 1;
@@ skipping 2473 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_