Copies Simulator Debugger from ARM to MIPS.

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
@@ skipping 227 matching lines @@
   void and_(Register rd, Register rs, Register rt) {
     EmitRType(SPECIAL, rs, rt, rd, 0, AND);
   }
 
   void andi(Register rt, Register rs, const Immediate& imm) {
     ASSERT(Utils::IsUint(16, imm.value()));
     uint16_t imm_value = static_cast<uint16_t>(imm.value());
     EmitIType(ANDI, rs, rt, imm_value);
   }
 
+  void break_(int32_t code) {
+    ASSERT(Utils::IsUint(20, code));
+    Emit(SPECIAL << kOpcodeShift |
+         code << kBreakCodeShift |
+         BREAK << kFunctionShift);
+  }
+
   void clo(Register rd, Register rs) {
     EmitRType(SPECIAL2, rs, rd, rd, 0, CLO);
   }
 
   void clz(Register rd, Register rs) {
     EmitRType(SPECIAL2, rs, rd, rd, 0, CLZ);
   }
 
   void div(Register rs, Register rt) {
     EmitRType(SPECIAL, rs, rt, R0, 0, DIV);
@@ skipping 154 matching lines @@
          func << kFunctionShift);
   }
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_MIPS_H_