Generate first ARM assembler test and execute (simulate) it.

runtime/vm/assembler_arm.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_ASSEMBLER_ARM_H_
 #define VM_ASSEMBLER_ARM_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_arm.h directly; use assembler.h instead.
 #endif
@@ skipping 244 matching lines @@
 
   FieldAddress& operator=(const FieldAddress& other) {
     Address::operator=(other);
     return *this;
   }
 };
 
 
 class Assembler : public ValueObject {
  public:
-  Assembler() : buffer_(), prologue_offset_(-1), comments_() { }
+  Assembler()
+      : buffer_(),
+        object_pool_(GrowableObjectArray::Handle(GrowableObjectArray::New())),
+        prologue_offset_(-1),
+        comments_() { }
   ~Assembler() { }
 
   void PopRegister(Register r) { Pop(r); }
 
   void Bind(Label* label);
 
   // Misc. functionality
   int CodeSize() const { return buffer_.Size(); }
   int prologue_offset() const { return prologue_offset_; }
   const ZoneGrowableArray<int>& GetPointerOffsets() const {
+    ASSERT(buffer_.pointer_offsets().length() == 0);  // No pointers in code.
     return buffer_.pointer_offsets();
   }
+  const GrowableObjectArray& object_pool() const {
+    return object_pool_;
+  }
 
   void FinalizeInstructions(const MemoryRegion& region) {
     buffer_.FinalizeInstructions(region);
+    ASSERT(object_pool_.Length() == 0);  // TODO(regis): Otherwise, more work.
   }
 
   // Debugging and bringup support.
   void Stop(const char* message);
   void Unimplemented(const char* message);
   void Untested(const char* message);
   void Unreachable(const char* message);
 
-  static void InitializeMemoryWithBreakpoints(uword data, int length) {
-    UNIMPLEMENTED();
-  }
+  static void InitializeMemoryWithBreakpoints(uword data, int length);
 
   void Comment(const char* format, ...) PRINTF_ATTRIBUTE(2, 3);
 
   const Code::Comments& GetCodeComments() const;
 
   static const char* RegisterName(Register reg) {
     UNIMPLEMENTED();
     return NULL;
   }
 
@@ skipping 216 matching lines @@
   void Lsl(Register rd, Register rm, uint32_t shift_imm, Condition cond = AL);
   void Lsr(Register rd, Register rm, uint32_t shift_imm, Condition cond = AL);
   void Asr(Register rd, Register rm, uint32_t shift_imm, Condition cond = AL);
   void Ror(Register rd, Register rm, uint32_t shift_imm, Condition cond = AL);
   void Rrx(Register rd, Register rm, Condition cond = AL);
 
   // Emit data (e.g encoded instruction or immediate) in instruction stream.
   void Emit(int32_t value);
 
  private:
-  AssemblerBuffer buffer_;
-  ZoneGrowableArray<int>* pointer_offsets_;
-  int prologue_offset_;
+  AssemblerBuffer buffer_;  // Contains position independent code.
+  const GrowableObjectArray& object_pool_;  // Objects and jump targets.
+  int32_t prologue_offset_;
+
+  int32_t AddObject(const Object& obj);
+  int32_t AddExternalLabel(const ExternalLabel* label);
 
   class CodeComment : public ZoneAllocated {
    public:
     CodeComment(intptr_t pc_offset, const String& comment)
         : pc_offset_(pc_offset), comment_(comment) { }
 
     intptr_t pc_offset() const { return pc_offset_; }
     const String& comment() const { return comment_; }
 
    private:
@@ skipping 84 matching lines @@
     return *reg1 - *reg2;
   }
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_ARM_H_