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comparison: xpcom/reflect/xptcall/src/md/unix/xptcstubs_mips64.cpp
xpcom/reflect/xptcall/src/md/unix/xptcstubs_mips64.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:7235177ee167 |
|---|---|
| 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 #include "xptcprivate.h" | |
| 7 #include "xptiprivate.h" | |
| 8 | |
| 9 #if (_MIPS_SIM != _ABIN32) | |
| 10 #error "This code is for MIPS N32 only" | |
| 11 #endif | |
| 12 | |
| 13 /* | |
| 14 * This is for MIPS N32 ABI | |
| 15 * | |
| 16 * When we're called, the "gp" registers are stored in gprData and | |
| 17 * the "fp" registers are stored in fprData. There are 8 regs | |
| 18 * available which correspond to the first 7 parameters of the | |
| 19 * function and the "this" pointer. If there are additional parms, | |
| 20 * they are stored on the stack at address "args". | |
| 21 * | |
| 22 */ | |
| 23 extern "C" nsresult ATTRIBUTE_USED | |
| 24 PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args, | |
| 25 uint64_t *gprData, double *fprData) | |
| 26 { | |
| 27 #define PARAM_BUFFER_COUNT 16 | |
| 28 #define PARAM_GPR_COUNT 7 | |
| 29 #define PARAM_FPR_COUNT 7 | |
| 30 | |
| 31 nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT]; | |
| 32 nsXPTCMiniVariant* dispatchParams = nullptr; | |
| 33 const nsXPTMethodInfo* info; | |
| 34 uint8_t paramCount; | |
| 35 uint8_t i; | |
| 36 nsresult result = NS_ERROR_FAILURE; | |
| 37 | |
| 38 NS_ASSERTION(self,"no self"); | |
| 39 | |
| 40 self->mEntry->GetMethodInfo(uint16_t(methodIndex), &info); | |
| 41 NS_ASSERTION(info,"no method info"); | |
| 42 | |
| 43 paramCount = info->GetParamCount(); | |
| 44 | |
| 45 // setup variant array pointer | |
| 46 if(paramCount > PARAM_BUFFER_COUNT) | |
| 47 dispatchParams = new nsXPTCMiniVariant[paramCount]; | |
| 48 else | |
| 49 dispatchParams = paramBuffer; | |
| 50 NS_ASSERTION(dispatchParams,"no place for params"); | |
| 51 | |
| 52 uint64_t* ap = args; | |
| 53 uint32_t iCount = 0; | |
| 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 continue; | |
| 67 } | |
| 68 // else | |
| 69 switch(type) | |
| 70 { | |
| 71 case nsXPTType::T_I8: | |
| 72 if (iCount < PARAM_GPR_COUNT) | |
| 73 dp->val.i8 = (int8_t)gprData[iCount++]; | |
| 74 else | |
| 75 dp->val.i8 = (int8_t)*ap++; | |
| 76 break; | |
| 77 | |
| 78 case nsXPTType::T_I16: | |
| 79 if (iCount < PARAM_GPR_COUNT) | |
| 80 dp->val.i16 = (int16_t)gprData[iCount++]; | |
| 81 else | |
| 82 dp->val.i16 = (int16_t)*ap++; | |
| 83 break; | |
| 84 | |
| 85 case nsXPTType::T_I32: | |
| 86 if (iCount < PARAM_GPR_COUNT) | |
| 87 dp->val.i32 = (int32_t)gprData[iCount++]; | |
| 88 else | |
| 89 dp->val.i32 = (int32_t)*ap++; | |
| 90 break; | |
| 91 | |
| 92 case nsXPTType::T_I64: | |
| 93 if (iCount < PARAM_GPR_COUNT) | |
| 94 dp->val.i64 = (int64_t)gprData[iCount++]; | |
| 95 else | |
| 96 dp->val.i64 = (int64_t)*ap++; | |
| 97 break; | |
| 98 | |
| 99 case nsXPTType::T_U8: | |
| 100 if (iCount < PARAM_GPR_COUNT) | |
| 101 dp->val.u8 = (uint8_t)gprData[iCount++]; | |
| 102 else | |
| 103 dp->val.u8 = (uint8_t)*ap++; | |
| 104 break; | |
| 105 | |
| 106 case nsXPTType::T_U16: | |
| 107 if (iCount < PARAM_GPR_COUNT) | |
| 108 dp->val.u16 = (uint16_t)gprData[iCount++]; | |
| 109 else | |
| 110 dp->val.u16 = (uint16_t)*ap++; | |
| 111 break; | |
| 112 | |
| 113 case nsXPTType::T_U32: | |
| 114 if (iCount < PARAM_GPR_COUNT) | |
| 115 dp->val.u32 = (uint32_t)gprData[iCount++]; | |
| 116 else | |
| 117 dp->val.u32 = (uint32_t)*ap++; | |
| 118 break; | |
| 119 | |
| 120 case nsXPTType::T_U64: | |
| 121 if (iCount < PARAM_GPR_COUNT) | |
| 122 dp->val.u64 = (uint64_t)gprData[iCount++]; | |
| 123 else | |
| 124 dp->val.u64 = (uint64_t)*ap++; | |
| 125 break; | |
| 126 | |
| 127 case nsXPTType::T_FLOAT: | |
| 128 if (iCount < PARAM_FPR_COUNT) | |
| 129 dp->val.f = (double)fprData[iCount++]; | |
| 130 else | |
| 131 dp->val.f = *((double*)ap++); | |
| 132 break; | |
| 133 | |
| 134 case nsXPTType::T_DOUBLE: | |
| 135 if (iCount < PARAM_FPR_COUNT) | |
| 136 dp->val.d = (double)fprData[iCount++]; | |
| 137 else | |
| 138 dp->val.d = *((double*)ap++); | |
| 139 break; | |
| 140 | |
| 141 case nsXPTType::T_BOOL: | |
| 142 if (iCount < PARAM_GPR_COUNT) | |
| 143 dp->val.b = (bool)gprData[iCount++]; | |
| 144 else | |
| 145 dp->val.b = (bool)*ap++; | |
| 146 break; | |
| 147 | |
| 148 case nsXPTType::T_CHAR: | |
| 149 if (iCount < PARAM_GPR_COUNT) | |
| 150 dp->val.c = (char)gprData[iCount++]; | |
| 151 else | |
| 152 dp->val.c = (char)*ap++; | |
| 153 break; | |
| 154 | |
| 155 case nsXPTType::T_WCHAR: | |
| 156 if (iCount < PARAM_GPR_COUNT) | |
| 157 dp->val.wc = (wchar_t)gprData[iCount++]; | |
| 158 else | |
| 159 dp->val.wc = (wchar_t)*ap++; | |
| 160 break; | |
| 161 | |
| 162 default: | |
| 163 NS_ASSERTION(0, "bad type"); | |
| 164 break; | |
| 165 } | |
| 166 } | |
| 167 | |
| 168 result = self->mOuter->CallMethod((uint16_t)methodIndex, info, dispatchParams); | |
| 169 | |
| 170 if(dispatchParams != paramBuffer) | |
| 171 delete [] dispatchParams; | |
| 172 | |
| 173 return result; | |
| 174 } | |
| 175 | |
| 176 #define STUB_ENTRY(n) /* defined in the assembly file */ | |
| 177 | |
| 178 #define SENTINEL_ENTRY(n) \ | |
| 179 nsresult nsXPTCStubBase::Sentinel##n() \ | |
| 180 { \ | |
| 181 NS_ASSERTION(0,"nsXPTCStubBase::Sentinel called"); \ | |
| 182 return NS_ERROR_NOT_IMPLEMENTED; \ | |
| 183 } | |
| 184 | |
| 185 #include "xptcstubsdef.inc" |
