The Tor Browser / file comparison
comparison: xpcom/reflect/xptcall/src/md/win32/xptcstubs_x86_64.cpp
xpcom/reflect/xptcall/src/md/win32/xptcstubs_x86_64.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:78ec412bd85d |
|---|---|
| 1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 /* Implement shared vtbl methods. */ | |
| 7 | |
| 8 #include "xptcprivate.h" | |
| 9 #include "xptiprivate.h" | |
| 10 | |
| 11 /* | |
| 12 * This is for Windows XP 64-Bit Edition / Server 2003 for AMD64 or later. | |
| 13 */ | |
| 14 | |
| 15 extern "C" nsresult | |
| 16 PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args, | |
| 17 uint64_t *gprData, double *fprData) | |
| 18 { | |
| 19 #define PARAM_BUFFER_COUNT 16 | |
| 20 // | |
| 21 // "this" pointer is first parameter, so parameter count is 3. | |
| 22 // | |
| 23 #define PARAM_GPR_COUNT 3 | |
| 24 #define PARAM_FPR_COUNT 3 | |
| 25 | |
| 26 nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT]; | |
| 27 nsXPTCMiniVariant* dispatchParams = nullptr; | |
| 28 const nsXPTMethodInfo* info = nullptr; | |
| 29 uint8_t paramCount; | |
| 30 uint8_t i; | |
| 31 nsresult result = NS_ERROR_FAILURE; | |
| 32 | |
| 33 NS_ASSERTION(self,"no self"); | |
| 34 | |
| 35 self->mEntry->GetMethodInfo(uint16_t(methodIndex), &info); | |
| 36 NS_ASSERTION(info,"no method info"); | |
| 37 | |
| 38 paramCount = info->GetParamCount(); | |
| 39 | |
| 40 // | |
| 41 // setup variant array pointer | |
| 42 // | |
| 43 | |
| 44 if(paramCount > PARAM_BUFFER_COUNT) | |
| 45 dispatchParams = new nsXPTCMiniVariant[paramCount]; | |
| 46 else | |
| 47 dispatchParams = paramBuffer; | |
| 48 | |
| 49 NS_ASSERTION(dispatchParams,"no place for params"); | |
| 50 | |
| 51 uint64_t* ap = args; | |
| 52 uint32_t iCount = 0; | |
| 53 | |
| 54 for(i = 0; i < paramCount; i++) | |
| 55 { | |
| 56 const nsXPTParamInfo& param = info->GetParam(i); | |
| 57 const nsXPTType& type = param.GetType(); | |
| 58 nsXPTCMiniVariant* dp = &dispatchParams[i]; | |
| 59 | |
| 60 if(param.IsOut() || !type.IsArithmetic()) | |
| 61 { | |
| 62 if (iCount < PARAM_GPR_COUNT) | |
| 63 dp->val.p = (void*)gprData[iCount++]; | |
| 64 else | |
| 65 dp->val.p = (void*)*ap++; | |
| 66 | |
| 67 continue; | |
| 68 } | |
| 69 // else | |
| 70 switch(type) | |
| 71 { | |
| 72 case nsXPTType::T_I8: | |
| 73 if (iCount < PARAM_GPR_COUNT) | |
| 74 dp->val.i8 = (int8_t)gprData[iCount++]; | |
| 75 else | |
| 76 dp->val.i8 = *((int8_t*)ap++); | |
| 77 break; | |
| 78 | |
| 79 case nsXPTType::T_I16: | |
| 80 if (iCount < PARAM_GPR_COUNT) | |
| 81 dp->val.i16 = (int16_t)gprData[iCount++]; | |
| 82 else | |
| 83 dp->val.i16 = *((int16_t*)ap++); | |
| 84 break; | |
| 85 | |
| 86 case nsXPTType::T_I32: | |
| 87 if (iCount < PARAM_GPR_COUNT) | |
| 88 dp->val.i32 = (int32_t)gprData[iCount++]; | |
| 89 else | |
| 90 dp->val.i32 = *((int32_t*)ap++); | |
| 91 break; | |
| 92 | |
| 93 case nsXPTType::T_I64: | |
| 94 if (iCount < PARAM_GPR_COUNT) | |
| 95 dp->val.i64 = (int64_t)gprData[iCount++]; | |
| 96 else | |
| 97 dp->val.i64 = *((int64_t*)ap++); | |
| 98 break; | |
| 99 | |
| 100 case nsXPTType::T_U8: | |
| 101 if (iCount < PARAM_GPR_COUNT) | |
| 102 dp->val.u8 = (uint8_t)gprData[iCount++]; | |
| 103 else | |
| 104 dp->val.u8 = *((uint8_t*)ap++); | |
| 105 break; | |
| 106 | |
| 107 case nsXPTType::T_U16: | |
| 108 if (iCount < PARAM_GPR_COUNT) | |
| 109 dp->val.u16 = (uint16_t)gprData[iCount++]; | |
| 110 else | |
| 111 dp->val.u16 = *((uint16_t*)ap++); | |
| 112 break; | |
| 113 | |
| 114 case nsXPTType::T_U32: | |
| 115 if (iCount < PARAM_GPR_COUNT) | |
| 116 dp->val.u32 = (uint32_t)gprData[iCount++]; | |
| 117 else | |
| 118 dp->val.u32 = *((uint32_t*)ap++); | |
| 119 break; | |
| 120 | |
| 121 case nsXPTType::T_U64: | |
| 122 if (iCount < PARAM_GPR_COUNT) | |
| 123 dp->val.u64 = (uint64_t)gprData[iCount++]; | |
| 124 else | |
| 125 dp->val.u64 = *((uint64_t*)ap++); | |
| 126 break; | |
| 127 | |
| 128 case nsXPTType::T_FLOAT: | |
| 129 if (iCount < PARAM_FPR_COUNT) | |
| 130 // The value in xmm register is already prepared to | |
| 131 // be retrieved as a float. Therefore, we pass the | |
| 132 // value verbatim, as a double without conversion. | |
| 133 dp->val.d = (double)fprData[iCount++]; | |
| 134 else | |
| 135 dp->val.f = *((float*)ap++); | |
| 136 break; | |
| 137 | |
| 138 case nsXPTType::T_DOUBLE: | |
| 139 if (iCount < PARAM_FPR_COUNT) | |
| 140 dp->val.d = (double)fprData[iCount++]; | |
| 141 else | |
| 142 dp->val.d = *((double*)ap++); | |
| 143 break; | |
| 144 | |
| 145 case nsXPTType::T_BOOL: | |
| 146 if (iCount < PARAM_GPR_COUNT) | |
| 147 // We need cast to uint8_t to remove garbage on upper 56-bit | |
| 148 // at first. | |
| 149 dp->val.b = (bool)(uint8_t)gprData[iCount++]; | |
| 150 else | |
| 151 dp->val.b = *((bool*)ap++); | |
| 152 break; | |
| 153 | |
| 154 case nsXPTType::T_CHAR: | |
| 155 if (iCount < PARAM_GPR_COUNT) | |
| 156 dp->val.c = (char)gprData[iCount++]; | |
| 157 else | |
| 158 dp->val.c = *((char*)ap++); | |
| 159 break; | |
| 160 | |
| 161 case nsXPTType::T_WCHAR: | |
| 162 if (iCount < PARAM_GPR_COUNT) | |
| 163 dp->val.wc = (wchar_t)gprData[iCount++]; | |
| 164 else | |
| 165 dp->val.wc = *((wchar_t*)ap++); | |
| 166 break; | |
| 167 | |
| 168 default: | |
| 169 NS_ERROR("bad type"); | |
| 170 break; | |
| 171 } | |
| 172 } | |
| 173 | |
| 174 result = self->mOuter->CallMethod((uint16_t)methodIndex, info, dispatchParams); | |
| 175 | |
| 176 if(dispatchParams != paramBuffer) | |
| 177 delete [] dispatchParams; | |
| 178 | |
| 179 return result; | |
| 180 } | |
| 181 | |
| 182 #define STUB_ENTRY(n) /* defined in the assembly file */ | |
| 183 | |
| 184 #define SENTINEL_ENTRY(n) \ | |
| 185 nsresult nsXPTCStubBase::Sentinel##n() \ | |
| 186 { \ | |
| 187 NS_ERROR("nsXPTCStubBase::Sentinel called"); \ | |
| 188 return NS_ERROR_NOT_IMPLEMENTED; \ | |
| 189 } | |
| 190 | |
| 191 #include "xptcstubsdef.inc" | |
| 192 | |
| 193 void | |
| 194 xptc_dummy() | |
| 195 { | |
| 196 } | |
| 197 |
