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131
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1 /* Copyright (C) 2017-2018 Free Software Foundation, Inc.
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2
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3 This file is part of GCC.
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4
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5 GCC is free software; you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 3, or (at your option)
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8 any later version.
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9
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10 GCC is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 Under Section 7 of GPL version 3, you are granted additional
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16 permissions described in the GCC Runtime Library Exception, version
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17 3.1, as published by the Free Software Foundation.
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18
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19 You should have received a copy of the GNU General Public License and
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20 a copy of the GCC Runtime Library Exception along with this program;
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21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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22 <http://www.gnu.org/licenses/>. */
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23
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111
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24 #ifndef _SGXINTRIN_H_INCLUDED
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25 #define _SGXINTRIN_H_INCLUDED
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26
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27 #ifndef __SGX__
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28 #pragma GCC push_options
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29 #pragma GCC target("sgx")
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30 #define __DISABLE_SGX__
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31 #endif /* __SGX__ */
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32
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33 #define __encls_bc(leaf, b, c, retval) \
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34 __asm__ __volatile__ ("encls\n\t" \
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35 : "=a" (retval) \
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36 : "a" (leaf), "b" (b), "c" (c) \
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37 : "cc")
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38
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39 #define __encls_bcd(leaf, b, c, d, retval) \
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40 __asm__ __volatile__("encls\n\t" \
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41 : "=a" (retval) \
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42 : "a" (leaf), "b" (b), "c" (c), "d" (d) \
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43 : "cc")
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44
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45 #define __encls_c(leaf, c, retval) \
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46 __asm__ __volatile__("encls\n\t" \
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47 : "=a" (retval) \
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48 : "a" (leaf), "c" (c) \
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49 : "cc")
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50
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51 #define __encls_edbgrd(leaf, b, c, retval) \
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52 __asm__ __volatile__("encls\n\t" \
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53 : "=a" (retval), "=b" (b) \
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54 : "a" (leaf), "c" (c))
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55
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56 #define __encls_generic(leaf, b, c, d, retval) \
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57 __asm__ __volatile__("encls\n\t" \
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58 : "=a" (retval), "=b" (b), "=c" (c), "=d" (d)\
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59 : "a" (leaf), "b" (b), "c" (c), "d" (d) \
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60 : "cc")
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61
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62 #define __enclu_bc(leaf, b, c, retval) \
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63 __asm__ __volatile__("enclu\n\t" \
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64 : "=a" (retval) \
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65 : "a" (leaf), "b" (b), "c" (c) \
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66 : "cc")
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67
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68 #define __enclu_bcd(leaf, b, c, d, retval) \
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69 __asm__ __volatile__("enclu\n\t" \
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70 : "=a" (retval) \
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71 : "a" (leaf), "b" (b), "c" (c), "d" (d) \
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72 : "cc")
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73
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74 #define __enclu_eenter(leaf, b, c, retval) \
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75 __asm__ __volatile__("enclu\n\t" \
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76 : "=a" (retval), "=c" (c) \
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77 : "a" (leaf), "b" (b), "c" (c) \
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78 : "cc")
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79
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80 #define __enclu_eexit(leaf, b, c, retval) \
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81 __asm__ __volatile__("enclu\n\t" \
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82 : "=a" (retval), "=c" (c) \
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83 : "a" (leaf), "b" (b) \
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84 : "cc")
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85
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86 #define __enclu_generic(leaf, b, c, d, retval) \
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87 __asm__ __volatile__("enclu\n\t" \
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88 : "=a" (retval), "=b" (b), "=c" (c), "=d" (d)\
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89 : "a" (leaf), "b" (b), "c" (c), "d" (d) \
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90 : "cc")
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91
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131
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92 #define __enclv_bc(leaf, b, c, retval) \
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93 __asm__ __volatile__("enclv\n\t" \
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94 : "=a" (retval) \
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95 : "a" (leaf), "b" (b), "c" (c) \
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96 : "cc")
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111
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97
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131
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98 #define __enclv_cd(leaf, c, d, retval) \
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99 __asm__ __volatile__("enclv\n\t" \
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100 : "=a" (retval) \
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101 : "a" (leaf), "c" (c), "d" (d) \
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102 : "cc")
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103
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104 #define __enclv_generic(leaf, b, c, d, retval) \
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105 __asm__ __volatile__("enclv\n\t" \
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106 : "=a" (retval), "=b" (b), "=c" (b), "=d" (d)\
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107 : "a" (leaf), "b" (b), "c" (c), "d" (d) \
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108 : "cc")
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109
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110 extern __inline unsigned int
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111
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111 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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131
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112 _encls_u32 (const unsigned int __L, size_t __D[])
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111
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113 {
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114 enum __encls_type
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115 {
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116 __SGX_ECREATE = 0x00,
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117 __SGX_EADD = 0x01,
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118 __SGX_EINIT = 0x02,
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119 __SGX_EREMOVE = 0x03,
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120 __SGX_EDBGRD = 0x04,
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121 __SGX_EDBGWR = 0x05,
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122 __SGX_EEXTEND = 0x06,
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123 __SGX_ELDB = 0x07,
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124 __SGX_ELDU = 0x08,
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125 __SGX_EBLOCK = 0x09,
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126 __SGX_EPA = 0x0A,
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127 __SGX_EWB = 0x0B,
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128 __SGX_ETRACK = 0x0C,
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129 __SGX_EAUG = 0x0D,
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130 __SGX_EMODPR = 0x0E,
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131
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131 __SGX_EMODT = 0x0F,
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132 __SGX_ERDINFO = 0x10,
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133 __SGX_ETRACKC = 0x11,
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134 __SGX_ELDBC = 0x12,
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135 __SGX_ELDUC = 0x13
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111
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136 };
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137 enum __encls_type __T = (enum __encls_type)__L;
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131
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138 unsigned int __R = 0;
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111
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139 if (!__builtin_constant_p (__T))
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140 __encls_generic (__L, __D[0], __D[1], __D[2], __R);
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141 else switch (__T)
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142 {
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143 case __SGX_ECREATE:
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144 case __SGX_EADD:
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145 case __SGX_EDBGWR:
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146 case __SGX_EEXTEND:
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147 case __SGX_EPA:
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148 case __SGX_EMODPR:
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149 case __SGX_EMODT:
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150 case __SGX_EAUG:
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131
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151 case __SGX_ERDINFO:
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111
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152 __encls_bc (__L, __D[0], __D[1], __R);
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153 break;
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154 case __SGX_EINIT:
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155 case __SGX_ELDB:
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156 case __SGX_ELDU:
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157 case __SGX_EWB:
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131
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158 case __SGX_ELDBC:
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159 case __SGX_ELDUC:
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111
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160 __encls_bcd (__L, __D[0], __D[1], __D[2], __R);
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161 break;
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162 case __SGX_EREMOVE:
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163 case __SGX_EBLOCK:
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164 case __SGX_ETRACK:
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131
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165 case __SGX_ETRACKC:
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111
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166 __encls_c (__L, __D[1], __R);
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167 break;
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168 case __SGX_EDBGRD:
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169 __encls_edbgrd (__L, __D[0], __D[1], __R);
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170 break;
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171 default:
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131
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172 __encls_generic (__L, __D[0], __D[1], __D[2], __R);
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111
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173 }
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174 return __R;
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175 }
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176
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131
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177 extern __inline unsigned int
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111
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178 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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131
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179 _enclu_u32 (const unsigned int __L, size_t __D[])
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111
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180 {
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181 enum __enclu_type
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182 {
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183 __SGX_EREPORT = 0x00,
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184 __SGX_EGETKEY = 0x01,
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185 __SGX_EENTER = 0x02,
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186 __SGX_ERESUME = 0x03,
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187 __SGX_EEXIT = 0x04,
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188 __SGX_EACCEPT = 0x05,
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189 __SGX_EMODPE = 0x06,
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190 __SGX_EACCEPTCOPY = 0x07
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191 };
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192 enum __enclu_type __T = (enum __enclu_type) __L;
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131
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193 unsigned int __R = 0;
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111
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194 if (!__builtin_constant_p (__T))
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195 __enclu_generic (__L, __D[0], __D[1], __D[2], __R);
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196 else switch (__T)
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197 {
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198 case __SGX_EREPORT:
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199 case __SGX_EACCEPTCOPY:
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200 __enclu_bcd (__L, __D[0], __D[1], __D[2], __R);
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201 break;
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202 case __SGX_EGETKEY:
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203 case __SGX_ERESUME:
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204 case __SGX_EACCEPT:
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205 case __SGX_EMODPE:
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206 __enclu_bc (__L, __D[0], __D[1], __R);
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207 break;
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208 case __SGX_EENTER:
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209 __enclu_eenter (__L, __D[0], __D[1], __R);
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210 break;
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211 case __SGX_EEXIT:
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212 __enclu_eexit (__L, __D[0], __D[1], __R);
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213 break;
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214 default:
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131
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215 __enclu_generic (__L, __D[0], __D[1], __D[2], __R);
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216 }
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217 return __R;
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218 }
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219
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220 extern __inline unsigned int
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221 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
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222 _enclv_u32 (const unsigned int __L, size_t __D[])
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223 {
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224 enum __enclv_type
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225 {
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226 __SGX_EDECVIRTCHILD = 0x00,
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227 __SGX_EINCVIRTCHILD = 0x01,
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228 __SGX_ESETCONTEXT = 0x02
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229 };
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230 unsigned int __R = 0;
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231 if (!__builtin_constant_p (__L))
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232 __enclv_generic (__L, __D[0], __D[1], __D[2], __R);
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233 else switch (__L)
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234 {
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235 case __SGX_EDECVIRTCHILD:
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236 case __SGX_EINCVIRTCHILD:
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237 __enclv_bc (__L, __D[0], __D[1], __R);
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238 break;
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239 case __SGX_ESETCONTEXT:
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240 __enclv_cd (__L, __D[1], __D[2], __R);
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241 break;
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242 default:
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243 __enclv_generic (__L, __D[0], __D[1], __D[2], __R);
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111
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244 }
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245 return __R;
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246 }
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247
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248 #ifdef __DISABLE_SGX__
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249 #undef __DISABLE_SGX__
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250 #pragma GCC pop_options
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251 #endif /* __DISABLE_SGX__ */
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252
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253 #endif /* _SGXINTRIN_H_INCLUDED */
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