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xpcom/reflect/xptcall/src/md/unix/xptcstubs_mips64.cpp@129ffea94266 (annotated)

xpcom/reflect/xptcall/src/md/unix/xptcstubs_mips64.cpp

Sat, 03 Jan 2015 20:18:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Sat, 03 Jan 2015 20:18:00 +0100
branch
TOR_BUG_3246
changeset 7
129ffea94266
permissions
-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0 1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #include "xptcprivate.h"
michael@0 7 #include "xptiprivate.h"
michael@0 8
michael@0 9 #if (_MIPS_SIM != _ABIN32)
michael@0 10 #error "This code is for MIPS N32 only"
michael@0 11 #endif
michael@0 12
michael@0 13 /*
michael@0 14 * This is for MIPS N32 ABI
michael@0 15 *
michael@0 16 * When we're called, the "gp" registers are stored in gprData and
michael@0 17 * the "fp" registers are stored in fprData. There are 8 regs
michael@0 18 * available which correspond to the first 7 parameters of the
michael@0 19 * function and the "this" pointer. If there are additional parms,
michael@0 20 * they are stored on the stack at address "args".
michael@0 21 *
michael@0 22 */
michael@0 23 extern "C" nsresult ATTRIBUTE_USED
michael@0 24 PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
michael@0 25 uint64_t *gprData, double *fprData)
michael@0 26 {
michael@0 27 #define PARAM_BUFFER_COUNT 16
michael@0 28 #define PARAM_GPR_COUNT 7
michael@0 29 #define PARAM_FPR_COUNT 7
michael@0 30
michael@0 31 nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
michael@0 32 nsXPTCMiniVariant* dispatchParams = nullptr;
michael@0 33 const nsXPTMethodInfo* info;
michael@0 34 uint8_t paramCount;
michael@0 35 uint8_t i;
michael@0 36 nsresult result = NS_ERROR_FAILURE;
michael@0 37
michael@0 38 NS_ASSERTION(self,"no self");
michael@0 39
michael@0 40 self->mEntry->GetMethodInfo(uint16_t(methodIndex), &info);
michael@0 41 NS_ASSERTION(info,"no method info");
michael@0 42
michael@0 43 paramCount = info->GetParamCount();
michael@0 44
michael@0 45 // setup variant array pointer
michael@0 46 if(paramCount > PARAM_BUFFER_COUNT)
michael@0 47 dispatchParams = new nsXPTCMiniVariant[paramCount];
michael@0 48 else
michael@0 49 dispatchParams = paramBuffer;
michael@0 50 NS_ASSERTION(dispatchParams,"no place for params");
michael@0 51
michael@0 52 uint64_t* ap = args;
michael@0 53 uint32_t iCount = 0;
michael@0 54 for(i = 0; i < paramCount; i++)
michael@0 55 {
michael@0 56 const nsXPTParamInfo& param = info->GetParam(i);
michael@0 57 const nsXPTType& type = param.GetType();
michael@0 58 nsXPTCMiniVariant* dp = &dispatchParams[i];
michael@0 59
michael@0 60 if(param.IsOut() || !type.IsArithmetic())
michael@0 61 {
michael@0 62 if (iCount < PARAM_GPR_COUNT)
michael@0 63 dp->val.p = (void*)gprData[iCount++];
michael@0 64 else
michael@0 65 dp->val.p = (void*)*ap++;
michael@0 66 continue;
michael@0 67 }
michael@0 68 // else
michael@0 69 switch(type)
michael@0 70 {
michael@0 71 case nsXPTType::T_I8:
michael@0 72 if (iCount < PARAM_GPR_COUNT)
michael@0 73 dp->val.i8 = (int8_t)gprData[iCount++];
michael@0 74 else
michael@0 75 dp->val.i8 = (int8_t)*ap++;
michael@0 76 break;
michael@0 77
michael@0 78 case nsXPTType::T_I16:
michael@0 79 if (iCount < PARAM_GPR_COUNT)
michael@0 80 dp->val.i16 = (int16_t)gprData[iCount++];
michael@0 81 else
michael@0 82 dp->val.i16 = (int16_t)*ap++;
michael@0 83 break;
michael@0 84
michael@0 85 case nsXPTType::T_I32:
michael@0 86 if (iCount < PARAM_GPR_COUNT)
michael@0 87 dp->val.i32 = (int32_t)gprData[iCount++];
michael@0 88 else
michael@0 89 dp->val.i32 = (int32_t)*ap++;
michael@0 90 break;
michael@0 91
michael@0 92 case nsXPTType::T_I64:
michael@0 93 if (iCount < PARAM_GPR_COUNT)
michael@0 94 dp->val.i64 = (int64_t)gprData[iCount++];
michael@0 95 else
michael@0 96 dp->val.i64 = (int64_t)*ap++;
michael@0 97 break;
michael@0 98
michael@0 99 case nsXPTType::T_U8:
michael@0 100 if (iCount < PARAM_GPR_COUNT)
michael@0 101 dp->val.u8 = (uint8_t)gprData[iCount++];
michael@0 102 else
michael@0 103 dp->val.u8 = (uint8_t)*ap++;
michael@0 104 break;
michael@0 105
michael@0 106 case nsXPTType::T_U16:
michael@0 107 if (iCount < PARAM_GPR_COUNT)
michael@0 108 dp->val.u16 = (uint16_t)gprData[iCount++];
michael@0 109 else
michael@0 110 dp->val.u16 = (uint16_t)*ap++;
michael@0 111 break;
michael@0 112
michael@0 113 case nsXPTType::T_U32:
michael@0 114 if (iCount < PARAM_GPR_COUNT)
michael@0 115 dp->val.u32 = (uint32_t)gprData[iCount++];
michael@0 116 else
michael@0 117 dp->val.u32 = (uint32_t)*ap++;
michael@0 118 break;
michael@0 119
michael@0 120 case nsXPTType::T_U64:
michael@0 121 if (iCount < PARAM_GPR_COUNT)
michael@0 122 dp->val.u64 = (uint64_t)gprData[iCount++];
michael@0 123 else
michael@0 124 dp->val.u64 = (uint64_t)*ap++;
michael@0 125 break;
michael@0 126
michael@0 127 case nsXPTType::T_FLOAT:
michael@0 128 if (iCount < PARAM_FPR_COUNT)
michael@0 129 dp->val.f = (double)fprData[iCount++];
michael@0 130 else
michael@0 131 dp->val.f = *((double*)ap++);
michael@0 132 break;
michael@0 133
michael@0 134 case nsXPTType::T_DOUBLE:
michael@0 135 if (iCount < PARAM_FPR_COUNT)
michael@0 136 dp->val.d = (double)fprData[iCount++];
michael@0 137 else
michael@0 138 dp->val.d = *((double*)ap++);
michael@0 139 break;
michael@0 140
michael@0 141 case nsXPTType::T_BOOL:
michael@0 142 if (iCount < PARAM_GPR_COUNT)
michael@0 143 dp->val.b = (bool)gprData[iCount++];
michael@0 144 else
michael@0 145 dp->val.b = (bool)*ap++;
michael@0 146 break;
michael@0 147
michael@0 148 case nsXPTType::T_CHAR:
michael@0 149 if (iCount < PARAM_GPR_COUNT)
michael@0 150 dp->val.c = (char)gprData[iCount++];
michael@0 151 else
michael@0 152 dp->val.c = (char)*ap++;
michael@0 153 break;
michael@0 154
michael@0 155 case nsXPTType::T_WCHAR:
michael@0 156 if (iCount < PARAM_GPR_COUNT)
michael@0 157 dp->val.wc = (wchar_t)gprData[iCount++];
michael@0 158 else
michael@0 159 dp->val.wc = (wchar_t)*ap++;
michael@0 160 break;
michael@0 161
michael@0 162 default:
michael@0 163 NS_ASSERTION(0, "bad type");
michael@0 164 break;
michael@0 165 }
michael@0 166 }
michael@0 167
michael@0 168 result = self->mOuter->CallMethod((uint16_t)methodIndex, info, dispatchParams);
michael@0 169
michael@0 170 if(dispatchParams != paramBuffer)
michael@0 171 delete [] dispatchParams;
michael@0 172
michael@0 173 return result;
michael@0 174 }
michael@0 175
michael@0 176 #define STUB_ENTRY(n) /* defined in the assembly file */
michael@0 177
michael@0 178 #define SENTINEL_ENTRY(n) \
michael@0 179 nsresult nsXPTCStubBase::Sentinel##n() \
michael@0 180 { \
michael@0 181 NS_ASSERTION(0,"nsXPTCStubBase::Sentinel called"); \
michael@0 182 return NS_ERROR_NOT_IMPLEMENTED; \
michael@0 183 }
michael@0 184
michael@0 185 #include "xptcstubsdef.inc"

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