Adds Stop to MIPS. Starts on MIPS call patcher.

runtime/vm/assembler_mips.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_MIPS)
 
 #include "vm/assembler.h"
 
 namespace dart {
@@ skipping 38 matching lines @@
   offset &= kBranchOffsetMask;
   return (instr & ~kBranchOffsetMask) | offset;
 }
 
 
 int Assembler::DecodeBranchOffset(int32_t instr) {
   // Sign-extend, left-shift by 2.
   return (((instr & kBranchOffsetMask) << 16) >> 14);
 }
 
+
+void Assembler::LoadWordFromPoolOffset(Register rd, int32_t offset) {
+  ASSERT(rd != PP);
+  if (Address::CanHoldOffset(offset)) {
+    lw(rd, Address(PP, offset));
+  } else {
+    LoadImmediate(rd, offset);
+    addu(rd, rd, PP);
+    lw(rd, Address(rd));
+  }
+}
+
+
+int32_t Assembler::AddObject(const Object& obj) {
+  ASSERT(obj.IsNotTemporaryScopedHandle());
+  ASSERT(obj.IsOld());
+  if (object_pool_.IsNull()) {
+    // The object pool cannot be used in the vm isolate.
+    ASSERT(Isolate::Current() != Dart::vm_isolate());
+    object_pool_ = GrowableObjectArray::New();

[regis, 2013/03/25 23:03:40]

You should sync. You will notice that we allocate the array in the old space on
ARM.

[zra, 2013/03/25 23:39:17]

Done.

+  }
+  for (int i = 0; i < object_pool_.Length(); i++) {
+    if (object_pool_.At(i) == obj.raw()) {
+      return i;
+    }
+  }
+  object_pool_.Add(obj);

[regis, 2013/03/25 23:03:40]

ditto

[zra, 2013/03/25 23:39:17]

Done.

+  return object_pool_.Length() - 1;
+}
+
+
+int32_t Assembler::AddExternalLabel(const ExternalLabel* label) {
+  if (object_pool_.IsNull()) {
+    // The object pool cannot be used in the vm isolate.
+    ASSERT(Isolate::Current() != Dart::vm_isolate());
+    object_pool_ = GrowableObjectArray::New();

[regis, 2013/03/25 23:03:40]

ditto

[zra, 2013/03/25 23:39:17]

Done.

+  }
+  const word address = label->address();
+  ASSERT(Utils::IsAligned(address, 4));
+  // The address is stored in the object array as a RawSmi.
+  const Smi& smi = Smi::Handle(Smi::New(address >> kSmiTagShift));
+  // Do not reuse an existing entry, since each reference may be patched
+  // independently.
+  object_pool_.Add(smi);

[regis, 2013/03/25 23:03:40]

ditto

[zra, 2013/03/25 23:39:17]

Done.

+  return object_pool_.Length() - 1;
+}
+
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_MIPS