1                 : /*
       2                 :  * Copyright (c) 2011 The Native Client Authors. All rights reserved.
       3                 :  * Use of this source code is governed by a BSD-style license that can be
       4                 :  * found in the LICENSE file.
       5                 :  */
       6                 : 
       7                 : /*
       8                 :  * x86_insts.h - Holds inline routines for commonly used (simple)
       9                 :  * functions in x86_insts.h. Used to speed up code. Inlined routines
      10                 :  * correspond to the following functions in x86_insts.h, but with an
      11                 :  * 'Inline' suffix:
      12                 :  *
      13                 :  *   modrm_mod
      14                 :  *   modrm_rm
      15                 :  *   modrm_reg
      16                 :  *   modrm_opcode
      17                 :  */
      18                 : 
      19                 : #ifndef NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_X86_X86_INSTS_INL_H__
      20                 : #define NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_X86_X86_INSTS_INL_H__
      21                 : 
      22                 : #include "native_client/src/trusted/validator/x86/x86_insts.h"
      23                 : 
      24                 : /* Accessors for the ModRm byte. */
      25               6 : static INLINE uint8_t modrm_modInline(uint8_t modrm) {
      26               6 :   return ((modrm >> 6) & 0x03);
      27               6 : }
      28                 : 
      29               6 : static INLINE uint8_t modrm_rmInline(uint8_t modrm) {
      30               6 :   return (modrm & 0x07);
      31               6 : }
      32                 : 
      33               6 : static INLINE uint8_t modrm_regInline(uint8_t modrm) {
      34               6 :   return ((modrm >> 3) & 0x07);
      35               6 : }
      36                 : 
      37               3 : static INLINE uint8_t modrm_opcodeInline(uint8_t modrm) {
      38               3 :   return modrm_regInline(modrm);
      39               3 : }
      40                 : 
      41                 : #endif  /* NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_X86_X86_INSTS_INL_H__ */