Fixes to support ARMv5 lego mindstorm.

runtime/vm/assembler_x64.cc

 // 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.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/heap.h"
@@ skipping 3005 matching lines @@
 
   Label dart_entry;
   call(&dart_entry);
   Bind(&dart_entry);
   // The runtime system assumes that the code marker address is
   // kEntryPointToPcMarkerOffset bytes from the entry.  If there is any code
   // generated before entering the frame, the address needs to be adjusted.
   const intptr_t object_pool_pc_dist =
       Instructions::HeaderSize() - Instructions::object_pool_offset() +
       CodeSize();
-  const intptr_t offset = kEntryPointToPcMarkerOffset - CodeSize();
+  const intptr_t offset = EntryPointToPcMarkerOffset() - CodeSize();
   if (offset != 0) {
     addq(Address(RSP, 0), Immediate(offset));
   }
   // Save caller's pool pointer
   pushq(PP);
 
   // Load callee's pool pointer.
   movq(PP, Address(RSP, 1 * kWordSize));
   movq(PP, Address(PP, -object_pool_pc_dist - offset));
 
@@ skipping 38 matching lines @@
   if (pc_marker_override == kNoRegister) {
     Label dart_entry;
     call(&dart_entry);
     Bind(&dart_entry);
     // The runtime system assumes that the code marker address is
     // kEntryPointToPcMarkerOffset bytes from the entry.  Since there is no
     // code to set up the frame pointer, the address needs to be adjusted.
     const intptr_t object_pool_pc_dist =
         Instructions::HeaderSize() - Instructions::object_pool_offset() +
         CodeSize();
-    const intptr_t offset = kEntryPointToPcMarkerOffset - CodeSize();
+    const intptr_t offset = EntryPointToPcMarkerOffset() - CodeSize();
     if (offset != 0) {
       addq(Address(RSP, 0), Immediate(offset));
     }
 
     // Load callee's pool pointer.
     movq(PP, Address(RSP, 0));
     movq(PP, Address(PP, -object_pool_pc_dist - offset));
 
     popq(Address(RBP, kPcMarkerSlotFromFp * kWordSize));
   } else {
@@ skipping 427 matching lines @@
 
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfXmmRegisters));
   return xmm_reg_names[reg];
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64