Adds support for debugger API on MIPS.

runtime/vm/stub_code_arm.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_ARM)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
@@ skipping 1393 matching lines @@
 }
 
 
 //  LR: return address (Dart code).
 //  R4: Arguments descriptor array.
 void StubCode::GenerateBreakpointStaticStub(Assembler* assembler) {
   // Create a stub frame as we are pushing some objects on the stack before
   // calling into the runtime.
   __ EnterStubFrame();
   __ LoadImmediate(R0, reinterpret_cast<intptr_t>(Object::null()));
-  // // Preserve arguments descriptor and make room for result.
+  // Preserve arguments descriptor and make room for result.
   __ PushList((1 << R0) | (1 << R4));
   __ CallRuntime(kBreakpointStaticHandlerRuntimeEntry);
   // Pop code object result and restore arguments descriptor.
   __ PopList((1 << R0) | (1 << R4));
   __ LeaveStubFrame();
 
   // Now call the static function. The breakpoint handler function
   // ensures that the call target is compiled.
   __ ldr(R0, FieldAddress(R0, Code::instructions_offset()));
   __ AddImmediate(R0, Instructions::HeaderSize() - kHeapObjectTag);
@@ skipping 363 matching lines @@
   __ Bind(&reference_compare);
   __ cmp(left, ShifterOperand(right));
   __ Bind(&done);
   __ PopList((1 << R0) | (1 << R1) | (1 << R2));
   __ Ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM