mirror of
https://github.com/classilla/tenfourfox.git
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144 lines
4.5 KiB
C++
144 lines
4.5 KiB
C++
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* Implement shared vtbl methods. */
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#include "xptcprivate.h"
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#include "xptiprivate.h"
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#if _HPUX
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#error "This code is for HP-PA RISC 32 bit mode only"
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#endif
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extern "C" nsresult ATTRIBUTE_USED
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PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex,
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uint32_t* args, uint32_t* floatargs)
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{
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typedef struct {
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uint32_t hi;
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uint32_t lo;
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} DU;
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#define PARAM_BUFFER_COUNT 16
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nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
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nsXPTCMiniVariant* dispatchParams = nullptr;
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const nsXPTMethodInfo* info;
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int32_t regwords = 1; /* self pointer is not in the variant records */
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nsresult result = NS_ERROR_FAILURE;
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uint8_t paramCount;
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uint8_t i;
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NS_ASSERTION(self,"no self");
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self->mEntry->GetMethodInfo(uint16_t(methodIndex), &info);
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NS_ASSERTION(info,"no method info");
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if (!info)
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return NS_ERROR_UNEXPECTED;
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paramCount = info->GetParamCount();
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// setup variant array pointer
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if(paramCount > PARAM_BUFFER_COUNT)
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dispatchParams = new nsXPTCMiniVariant[paramCount];
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else
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dispatchParams = paramBuffer;
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NS_ASSERTION(dispatchParams,"no place for params");
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if (!dispatchParams)
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return NS_ERROR_OUT_OF_MEMORY;
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for(i = 0; i < paramCount; ++i, --args)
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{
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const nsXPTParamInfo& param = info->GetParam(i);
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const nsXPTType& type = param.GetType();
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nsXPTCMiniVariant* dp = &dispatchParams[i];
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if(param.IsOut() || !type.IsArithmetic())
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{
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dp->val.p = (void*) *args;
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++regwords;
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continue;
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}
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switch(type)
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{
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case nsXPTType::T_I8 : dp->val.i8 = *((int32_t*) args); break;
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case nsXPTType::T_I16 : dp->val.i16 = *((int32_t*) args); break;
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case nsXPTType::T_I32 : dp->val.i32 = *((int32_t*) args); break;
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case nsXPTType::T_DOUBLE :
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if (regwords & 1)
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{
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++regwords; /* align on double word */
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--args;
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}
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if (regwords == 0 || regwords == 2)
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{
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dp->val.d=*((double*) (floatargs + regwords));
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--args;
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}
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else
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{
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dp->val.d = *((double*) --args);
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}
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regwords += 2;
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continue;
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case nsXPTType::T_U64 :
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case nsXPTType::T_I64 :
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if (regwords & 1)
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{
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++regwords; /* align on double word */
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--args;
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}
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((DU *)dp)->lo = *((uint32_t*) args);
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((DU *)dp)->hi = *((uint32_t*) --args);
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regwords += 2;
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continue;
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case nsXPTType::T_FLOAT :
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if (regwords >= 4)
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dp->val.f = *((float*) args);
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else
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dp->val.f = *((float*) floatargs+4+regwords);
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break;
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case nsXPTType::T_U8 : dp->val.u8 = *((uint32_t*) args); break;
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case nsXPTType::T_U16 : dp->val.u16 = *((uint32_t*) args); break;
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case nsXPTType::T_U32 : dp->val.u32 = *((uint32_t*) args); break;
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case nsXPTType::T_BOOL : dp->val.b = *((uint32_t*) args); break;
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case nsXPTType::T_CHAR : dp->val.c = *((uint32_t*) args); break;
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case nsXPTType::T_WCHAR : dp->val.wc = *((int32_t*) args); break;
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default:
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NS_ERROR("bad type");
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break;
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}
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++regwords;
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}
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result = self->mOuter->CallMethod((uint16_t) methodIndex, info, dispatchParams);
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if(dispatchParams != paramBuffer)
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delete [] dispatchParams;
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return result;
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}
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extern "C" nsresult SharedStub(int);
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#define STUB_ENTRY(n) \
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nsresult nsXPTCStubBase::Stub##n() \
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{ \
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return SharedStub(n); \
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}
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#define SENTINEL_ENTRY(n) \
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nsresult nsXPTCStubBase::Sentinel##n() \
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{ \
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NS_ERROR("nsXPTCStubBase::Sentinel called"); \
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return NS_ERROR_NOT_IMPLEMENTED; \
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}
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#include "xptcstubsdef.inc"
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