Replaces Location::ToStackSlotAddress() with Location::ToStackSlotOffset()

runtime/vm/assembler_mips.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_MIPS_H_
 #define VM_ASSEMBLER_MIPS_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_mips.h directly; use assembler.h instead.
 #endif
 
 #include "platform/assert.h"
 #include "platform/utils.h"
 #include "vm/constants_mips.h"
+#include "vm/locations.h"
 #include "vm/simulator.h"
 
 // References to documentation in this file refer to:
 // "MIPS® Architecture For Programmers Volume I-A:
 //   Introduction to the MIPS32® Architecture" in short "VolI-A"
 // and
 // "MIPS® Architecture For Programmers Volume II-A:
 //   The MIPS32® Instruction Set" in short "VolII-A"
 namespace dart {
 
 // Forward declarations.
 class RuntimeEntry;
+class Location;
 
 class Immediate : public ValueObject {
  public:
   explicit Immediate(int32_t value) : value_(value) { }
 
   Immediate(const Immediate& other) : ValueObject(), value_(other.value_) { }
   Immediate& operator=(const Immediate& other) {
     value_ = other.value_;
     return *this;
   }
@@ skipping 13 matching lines @@
       : ValueObject(), base_(base), offset_(offset) { }
 
   Address(const Address& other)
       : ValueObject(), base_(other.base_), offset_(other.offset_) { }
   Address& operator=(const Address& other) {
     base_ = other.base_;
     offset_ = other.offset_;
     return *this;
   }
 
+  static Address StackSlotAddress(const Location &stack_slot);
+
   uint32_t encoding() const {
     ASSERT(Utils::IsInt(kImmBits, offset_));
     uint16_t imm_value = static_cast<uint16_t>(offset_);
     return (base_ << kRsShift) | imm_value;
   }
 
   static bool CanHoldOffset(int32_t offset) {
     return Utils::IsInt(kImmBits, offset);
   }
 
   Register base() const { return base_; }
   int32_t offset() const { return offset_; }
 
-  bool Equals(const Address& other) {
+  bool Equals(const Address& other) const {
     return (base_ == other.base_) && (offset_ == other.offset_);
   }
 
  private:
   Register base_;
   int32_t offset_;
 };
 
 
 class FieldAddress : public Address {
@@ skipping 1169 matching lines @@
                                   Register value,
                                   Label* no_update);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_MIPS_H_