173 lines
7.2 KiB
C++
173 lines
7.2 KiB
C++
/* 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 defined(AIX)
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/*
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For PPC (AIX & MAC), the first 8 integral and the first 13 f.p. parameters
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arrive in a separate chunk of data that has been loaded from the registers.
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The args pointer has been set to the start of the parameters BEYOND the ones
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arriving in registers
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*/
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extern "C" nsresult ATTRIBUTE_USED
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PrepareAndDispatch(nsXPTCStubBase* self, uint64_t methodIndex, uint64_t* args, uint64_t *gprData, double *fprData)
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{
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#define PARAM_BUFFER_COUNT 16
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#define PARAM_GPR_COUNT 7
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nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
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nsXPTCMiniVariant* dispatchParams = nullptr;
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const nsXPTMethodInfo* info = nullptr;
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uint8_t paramCount;
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uint8_t i;
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nsresult result = NS_ERROR_FAILURE;
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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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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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uint64_t* ap = args;
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uint32_t iCount = 0;
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uint32_t fpCount = 0;
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for(i = 0; i < paramCount; i++)
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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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if (iCount < PARAM_GPR_COUNT)
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dp->val.p = (void*) gprData[iCount++];
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else
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dp->val.p = (void*) *ap++;
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continue;
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}
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// else
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switch(type)
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{
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case nsXPTType::T_I8 : if (iCount < PARAM_GPR_COUNT)
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dp->val.i8 = (int8_t) gprData[iCount++];
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else
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dp->val.i8 = (int8_t) *ap++;
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break;
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case nsXPTType::T_I16 : if (iCount < PARAM_GPR_COUNT)
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dp->val.i16 = (int16_t) gprData[iCount++];
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else
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dp->val.i16 = (int16_t) *ap++;
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break;
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case nsXPTType::T_I32 : if (iCount < PARAM_GPR_COUNT)
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dp->val.i32 = (int32_t) gprData[iCount++];
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else
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dp->val.i32 = (int32_t) *ap++;
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break;
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case nsXPTType::T_I64 : if (iCount < PARAM_GPR_COUNT)
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dp->val.i64 = (int64_t) gprData[iCount++];
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else
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dp->val.i64 = (int64_t) *ap++;
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break;
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case nsXPTType::T_U8 : if (iCount < PARAM_GPR_COUNT)
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dp->val.u8 = (uint8_t) gprData[iCount++];
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else
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dp->val.u8 = (uint8_t) *ap++;
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break;
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case nsXPTType::T_U16 : if (iCount < PARAM_GPR_COUNT)
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dp->val.u16 = (uint16_t) gprData[iCount++];
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else
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dp->val.u16 = (uint16_t) *ap++;
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break;
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case nsXPTType::T_U32 : if (iCount < PARAM_GPR_COUNT)
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dp->val.u32 = (uint32_t) gprData[iCount++];
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else
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dp->val.u32 = (uint32_t) *ap++;
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break;
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case nsXPTType::T_U64 : if (iCount < PARAM_GPR_COUNT)
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dp->val.u64 = (uint64_t) gprData[iCount++];
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else
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dp->val.u64 = (uint64_t) *ap++;
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break;
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case nsXPTType::T_FLOAT : if (fpCount < 13) {
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dp->val.f = (float) fprData[fpCount++];
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if (iCount < PARAM_GPR_COUNT)
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++iCount;
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else
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++ap;
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}
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else
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dp->val.f = *((float*) ap++);
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break;
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case nsXPTType::T_DOUBLE : if (fpCount < 13) {
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dp->val.d = (double) fprData[fpCount++];
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if (iCount < PARAM_GPR_COUNT)
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++iCount;
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else
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++ap;
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if (iCount < PARAM_GPR_COUNT)
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++iCount;
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else
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++ap;
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}
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else {
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dp->val.f = *((double*) ap);
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ap += 2;
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}
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break;
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case nsXPTType::T_BOOL : if (iCount < PARAM_GPR_COUNT)
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dp->val.b = (bool) gprData[iCount++];
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else
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dp->val.b = (bool) *ap++;
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break;
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case nsXPTType::T_CHAR : if (iCount < PARAM_GPR_COUNT)
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dp->val.c = (char) gprData[iCount++];
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else
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dp->val.c = (char) *ap++;
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break;
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case nsXPTType::T_WCHAR : if (iCount < PARAM_GPR_COUNT)
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dp->val.wc = (wchar_t) gprData[iCount++];
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else
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dp->val.wc = (wchar_t) *ap++;
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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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}
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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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#define STUB_ENTRY(n)
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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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#endif /* AIX */
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