Start unit testing for functions in nc_inst_state.c

src/trusted/validator_x86/ncdecode.h

 /*
  * Copyright (c) 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.
  */
 
 /*
  * ncdecode.h - table driven decoder for Native Client.
  *
  * This header file contains type declarations and constants
@@ skipping 39 matching lines @@
 #define kPrefixSEGGS  0x0008  /* 0x65 */
 #define kPrefixDATA16 0x0010  /* 0x66 - OKAY */
 #define kPrefixADDR16 0x0020  /* 0x67 - disallowed */
 #define kPrefixREPNE  0x0040  /* 0xf2 - OKAY */
 #define kPrefixREP    0x0080  /* 0xf3 - OKAY */
 #define kPrefixLOCK   0x0100  /* 0xf0 - OKAY */
 #define kPrefixSEGES  0x0200  /* 0x26 - disallowed */
 #define kPrefixSEGDS  0x0400  /* 0x3e - disallowed */
 #define kPrefixREX    0x1000  /* 0x40 - 0x4f Rex prefix */
 
+/* Readability macros for bitset testing. */
+#define NaClHasBit(set, bit) ((set) & (bit))
+#define NaClExcludesBit(set, bit) (~(set) & bit)
+
 /* a new enumerated type for instructions.
  * Note: Each enumerate type is marked with one of the following symbols,
  * defining the validator it us used for:
  *    32 - The x86-32 validator.
  *    64 - The x86-64 validator.
  *    Both - Both the x86-32 and the x86-64 validators.
  * Note: The code for the x86-64 validator is being cleaned up, and there
  * are still uses of the "32" tag for x86 instructions.
  * TODO(karl) - Fix this comment when modeling for the x86-64 has been cleaned
  * up.
@@ skipping 417 matching lines @@
     NCDecoderStats newsegment,
     NCDecoderStats segmentationerror,
     NCDecoderStats internalerror);
 
 /* Given a (decoded) instruction, return the instruction that appeared
  * n elements before it.
  */
 extern NCDecoderInst *PreviousInst(const NCDecoderInst* dinst, int n);
 
 #endif /* NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_X86_NCDECODE_H_ */