Intial Thumb2 Sandbox (naclrev 6680)

src/trusted/validator_arm/decode.h

 /*
- * Copyright 2009 The Native Client Authors.  All rights reserved.
+ * Copyright 2011 The Native Client Authors.  All rights reserved.
  * Use of this source code is governed by a BSD-style license that can
  * be found in the LICENSE file.
- * Copyright 2009, Google Inc.
+ * Copyright 2011, Google Inc.
  */
 
 #ifndef NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_ARM_V2_DECODE_H
 #define NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_ARM_V2_DECODE_H
 
 #include "native_client/src/trusted/validator_arm/model.h"
 #include "native_client/src/trusted/validator_arm/inst_classes.h"
 
 namespace nacl_arm_dec {
 
 struct DecoderState;
 
 /*
  * Creates a new DecodeState instance that can be used to make calls to
  * decode.  The caller owns the result and should delete it when appropriate,
  * by using delete_state below.
+ * thumb == 1 means we are decoding for thumb mode (thumb2 ISA specifically)
+ * The NaClApp struct tells us this (thumb == (address has LSB set to 1))
  */
-const DecoderState *init_decode();
+const DecoderState *init_decode(uint8_t thumb);
 
 /*
  * Frees any resources previously allocated by a call to init_decode.
  */
 void delete_state(const DecoderState *);
 
 /*
  * Chooses a ClassDecoder that can answer questions about the given Instruction.
  */
 const ClassDecoder &decode(const Instruction, const DecoderState *);
 
 
 }  // namespace
 
 #endif  // NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_ARM_V2_DECODE_H