Add ragel validator to SCONS

src/trusted/validator_ragel/unreviewed/validator.h

 /*
  * Copyright (c) 2012 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.
  */
 
 #ifndef _VALIDATOR_X86_64_H_
 #define _VALIDATOR_X86_64_H_
 
-#include <inttypes.h>
-#include <stdbool.h>
+#include "native_client/src/include/portability.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 enum operand_type {
   /*
    * OperandSize8bit and OperandSize16bit don't affect sandboxing state of the
    * register: it may become different, but top half does not change it's value.
    * R15 can not be used even with these operands.
@@ skipping 63 matching lines @@
   REG_R15,
   REG_RM,       /* Address in memory via rm field.                            */
   REG_RIP,      /* RIP - used as base in x86-64 mode.                         */
   REG_RIZ,      /* EIZ/RIZ - used as "always zero index" register.            */
   REG_IMM,      /* Fixed value in imm field.                                  */
   REG_IMM2,     /* Fixed value in second imm field.                           */
   REG_DS_RBX,   /* Fox xlat: %ds(%rbx).                                       */
   REG_ES_RDI,   /* For string instructions: %es:(%rsi).                       */
   REG_DS_RSI,   /* For string instructions: %ds:(%rdi).                       */
   REG_PORT_DX,  /* 16-bit DX: for in/out instructions.                        */
-  REG_NONE,     /* For modrm: both index and base can be absent.              */
+  NO_REG,       /* For modrm: both index and base can be absent.              */
   REG_ST,       /* For x87 instructions: implicit %st.                        */
   JMP_TO        /* Operand is jump target address: usually %rip+offset.       */
 };
 
 typedef void (*process_error_func) (const uint8_t *ptr, void *userdata);
 
 int ValidateChunkAMD64(const uint8_t *data, size_t size,
                        process_error_func process_error, void *userdata);
 
 int ValidateChunkIA32(const uint8_t *data, size_t size,
                       process_error_func process_error, void *userdata);
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif