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1 /* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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2 /* This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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5 |
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6 /* Implement shared vtbl methods. */ |
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7 |
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8 #include "xptcprivate.h" |
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9 #include "xptiprivate.h" |
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10 |
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11 #if defined(AIX) |
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12 |
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13 /* |
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14 For PPC (AIX & MAC), the first 8 integral and the first 13 f.p. parameters |
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15 arrive in a separate chunk of data that has been loaded from the registers. |
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16 The args pointer has been set to the start of the parameters BEYOND the ones |
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17 arriving in registers |
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18 */ |
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19 extern "C" nsresult ATTRIBUTE_USED |
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20 PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint32_t* args, uint32_t *gprData, double *fprData) |
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21 { |
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22 typedef struct { |
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23 uint32_t hi; |
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24 uint32_t lo; // have to move 64 bit entities as 32 bit halves since |
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25 } DU; // stack slots are not guaranteed 16 byte aligned |
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26 |
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27 #define PARAM_BUFFER_COUNT 16 |
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28 #define PARAM_GPR_COUNT 7 |
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29 |
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30 nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT]; |
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31 nsXPTCMiniVariant* dispatchParams = nullptr; |
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32 const nsXPTMethodInfo* info = nullptr; |
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33 uint8_t paramCount; |
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34 uint8_t i; |
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35 nsresult result = NS_ERROR_FAILURE; |
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36 |
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37 NS_ASSERTION(self,"no self"); |
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38 |
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39 self->mEntry->GetMethodInfo(uint16_t(methodIndex), &info); |
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40 NS_ASSERTION(info,"no method info"); |
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41 |
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42 paramCount = info->GetParamCount(); |
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43 |
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44 // setup variant array pointer |
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45 if(paramCount > PARAM_BUFFER_COUNT) |
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46 dispatchParams = new nsXPTCMiniVariant[paramCount]; |
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47 else |
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48 dispatchParams = paramBuffer; |
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49 NS_ASSERTION(dispatchParams,"no place for params"); |
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50 |
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51 uint32_t* ap = args; |
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52 uint32_t iCount = 0; |
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53 uint32_t fpCount = 0; |
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54 for(i = 0; i < paramCount; i++) |
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55 { |
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56 const nsXPTParamInfo& param = info->GetParam(i); |
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57 const nsXPTType& type = param.GetType(); |
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58 nsXPTCMiniVariant* dp = &dispatchParams[i]; |
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59 |
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60 if(param.IsOut() || !type.IsArithmetic()) |
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61 { |
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62 if (iCount < PARAM_GPR_COUNT) |
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63 dp->val.p = (void*) gprData[iCount++]; |
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64 else |
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65 dp->val.p = (void*) *ap++; |
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66 continue; |
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67 } |
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68 // else |
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69 switch(type) |
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70 { |
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71 case nsXPTType::T_I8 : if (iCount < PARAM_GPR_COUNT) |
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72 dp->val.i8 = (int8_t) gprData[iCount++]; |
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73 else |
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74 dp->val.i8 = (int8_t) *ap++; |
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75 break; |
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76 case nsXPTType::T_I16 : if (iCount < PARAM_GPR_COUNT) |
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77 dp->val.i16 = (int16_t) gprData[iCount++]; |
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78 else |
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79 dp->val.i16 = (int16_t) *ap++; |
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80 break; |
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81 case nsXPTType::T_I32 : if (iCount < PARAM_GPR_COUNT) |
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82 dp->val.i32 = (int32_t) gprData[iCount++]; |
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83 else |
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84 dp->val.i32 = (int32_t) *ap++; |
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85 break; |
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86 case nsXPTType::T_I64 : if (iCount < PARAM_GPR_COUNT) |
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87 ((DU *)dp)->hi = (int32_t) gprData[iCount++]; |
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88 else |
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89 ((DU *)dp)->hi = (int32_t) *ap++; |
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90 if (iCount < PARAM_GPR_COUNT) |
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91 ((DU *)dp)->lo = (uint32_t) gprData[iCount++]; |
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92 else |
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93 ((DU *)dp)->lo = (uint32_t) *ap++; |
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94 break; |
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95 case nsXPTType::T_U8 : if (iCount < PARAM_GPR_COUNT) |
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96 dp->val.u8 = (uint8_t) gprData[iCount++]; |
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97 else |
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98 dp->val.u8 = (uint8_t) *ap++; |
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99 break; |
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100 case nsXPTType::T_U16 : if (iCount < PARAM_GPR_COUNT) |
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101 dp->val.u16 = (uint16_t) gprData[iCount++]; |
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102 else |
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103 dp->val.u16 = (uint16_t) *ap++; |
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104 break; |
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105 case nsXPTType::T_U32 : if (iCount < PARAM_GPR_COUNT) |
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106 dp->val.u32 = (uint32_t) gprData[iCount++]; |
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107 else |
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108 dp->val.u32 = (uint32_t) *ap++; |
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109 break; |
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110 case nsXPTType::T_U64 : if (iCount < PARAM_GPR_COUNT) |
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111 ((DU *)dp)->hi = (uint32_t) gprData[iCount++]; |
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112 else |
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113 ((DU *)dp)->hi = (uint32_t) *ap++; |
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114 if (iCount < PARAM_GPR_COUNT) |
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115 ((DU *)dp)->lo = (uint32_t) gprData[iCount++]; |
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116 else |
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117 ((DU *)dp)->lo = (uint32_t) *ap++; |
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118 break; |
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119 case nsXPTType::T_FLOAT : if (fpCount < 13) { |
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120 dp->val.f = (float) fprData[fpCount++]; |
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121 if (iCount < PARAM_GPR_COUNT) |
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122 ++iCount; |
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123 else |
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124 ++ap; |
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125 } |
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126 else |
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127 dp->val.f = *((float*) ap++); |
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128 break; |
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129 case nsXPTType::T_DOUBLE : if (fpCount < 13) { |
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130 dp->val.d = (double) fprData[fpCount++]; |
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131 if (iCount < PARAM_GPR_COUNT) |
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132 ++iCount; |
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133 else |
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134 ++ap; |
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135 if (iCount < PARAM_GPR_COUNT) |
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136 ++iCount; |
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137 else |
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138 ++ap; |
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139 } |
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140 else { |
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141 dp->val.f = *((double*) ap); |
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142 ap += 2; |
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143 } |
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144 break; |
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145 case nsXPTType::T_BOOL : if (iCount < PARAM_GPR_COUNT) |
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146 dp->val.b = (bool) gprData[iCount++]; |
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147 else |
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148 dp->val.b = (bool) *ap++; |
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149 break; |
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150 case nsXPTType::T_CHAR : if (iCount < PARAM_GPR_COUNT) |
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151 dp->val.c = (char) gprData[iCount++]; |
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152 else |
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153 dp->val.c = (char) *ap++; |
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154 break; |
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155 case nsXPTType::T_WCHAR : if (iCount < PARAM_GPR_COUNT) |
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156 dp->val.wc = (wchar_t) gprData[iCount++]; |
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157 else |
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158 dp->val.wc = (wchar_t) *ap++; |
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159 break; |
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160 default: |
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161 NS_ERROR("bad type"); |
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162 break; |
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163 } |
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164 } |
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165 |
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166 result = self->mOuter->CallMethod((uint16_t)methodIndex,info,dispatchParams); |
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167 |
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168 if(dispatchParams != paramBuffer) |
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169 delete [] dispatchParams; |
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170 |
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171 return result; |
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172 } |
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173 |
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174 #define STUB_ENTRY(n) |
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175 |
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176 #define SENTINEL_ENTRY(n) \ |
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177 nsresult nsXPTCStubBase::Sentinel##n() \ |
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178 { \ |
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179 NS_ERROR("nsXPTCStubBase::Sentinel called"); \ |
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180 return NS_ERROR_NOT_IMPLEMENTED; \ |
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181 } |
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182 |
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183 #include "xptcstubsdef.inc" |
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184 |
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185 #endif /* AIX */ |