ARM: Fix literal pool handling for breakpoints in debugger....

src/assembler.h

Index: src/assembler.h
===================================================================
--- src/assembler.h	(revision 11811)
+++ src/assembler.h	(working copy)
@@ -204,14 +204,19 @@
     EXTERNAL_REFERENCE,  // The address of an external C++ function.
     INTERNAL_REFERENCE,  // An address inside the same function.
 
+    // Marks a constant pool. Only used on ARM.
+    // It uses a custom noncompact encoding.
+    CONST_POOL,
+
     // add more as needed
     // Pseudo-types
-    NUMBER_OF_MODES,  // There are at most 14 modes with noncompact encoding.
+    NUMBER_OF_MODES,  // There are at most 15 modes with noncompact encoding.
     NONE,  // never recorded
     LAST_CODE_ENUM = DEBUG_BREAK,
     LAST_GCED_ENUM = GLOBAL_PROPERTY_CELL,
     // Modes <= LAST_COMPACT_ENUM are guaranteed to have compact encoding.
-    LAST_COMPACT_ENUM = CODE_TARGET_WITH_ID
+    LAST_COMPACT_ENUM = CODE_TARGET_WITH_ID,
+    LAST_STANDARD_NONCOMPACT_ENUM = INTERNAL_REFERENCE
   };
 
 
@@ -240,6 +245,9 @@
   static inline bool IsComment(Mode mode) {
     return mode == COMMENT;
   }
+  static inline bool IsConstPool(Mode mode) {
+    return mode == CONST_POOL;
+  }
   static inline bool IsPosition(Mode mode) {
     return mode == POSITION || mode == STATEMENT_POSITION;
   }
@@ -416,6 +424,7 @@
   inline void WriteTaggedPC(uint32_t pc_delta, int tag);
   inline void WriteExtraTaggedPC(uint32_t pc_delta, int extra_tag);
   inline void WriteExtraTaggedIntData(int data_delta, int top_tag);
+  inline void WriteExtraTaggedConstPoolData(int data);
   inline void WriteExtraTaggedData(intptr_t data_delta, int top_tag);
   inline void WriteTaggedData(intptr_t data_delta, int tag);
   inline void WriteExtraTag(int extra_tag, int top_tag);
@@ -466,6 +475,7 @@
   void ReadTaggedPC();
   void AdvanceReadPC();
   void AdvanceReadId();
+  void AdvanceReadConstPoolData();
   void AdvanceReadPosition();
   void AdvanceReadData();
   void AdvanceReadVariableLengthPCJump();