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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/* Implement shared vtbl methods. */
#include "xptcprivate.h"
/*
* This is for Windows XP 64-Bit Edition / Server 2003 for AMD64 or later.
*/
extern "C" nsresult
PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
uint64_t *gprData, double *fprData)
{
//
// "this" pointer is first parameter, so parameter count is 3.
//
#define PARAM_GPR_COUNT 3
#define PARAM_FPR_COUNT 3
nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
const nsXPTMethodInfo* info = nullptr;
uint8_t paramCount;
uint8_t i;
NS_ASSERTION(self,"no self");
self->mEntry->GetMethodInfo(uint16_t(methodIndex), &info);
NS_ASSERTION(info,"no method info");
paramCount = info->GetParamCount();
const uint8_t indexOfJSContext = info->IndexOfJSContext();
uint64_t* ap = args;
uint32_t iCount = 0;
for(i = 0; i < paramCount; i++)
{
const nsXPTParamInfo& param = info->GetParam(i);
const nsXPTType& type = param.GetType();
nsXPTCMiniVariant* dp = ¶mBuffer[i];
if (i == indexOfJSContext) {
if (iCount < PARAM_GPR_COUNT)
iCount++;
else
ap++;
}
if(param.IsOut() || !type.IsArithmetic())
{
if (iCount < PARAM_GPR_COUNT)
dp->val.p = (void*)gprData[iCount++];
else
dp->val.p = (void*)*ap++;
continue;
}
// else
switch(type)
{
case nsXPTType::T_I8:
if (iCount < PARAM_GPR_COUNT)
dp->val.i8 = (int8_t)gprData[iCount++];
else
dp->val.i8 = *((int8_t*)ap++);
break;
case nsXPTType::T_I16:
if (iCount < PARAM_GPR_COUNT)
dp->val.i16 = (int16_t)gprData[iCount++];
else
dp->val.i16 = *((int16_t*)ap++);
break;
case nsXPTType::T_I32:
if (iCount < PARAM_GPR_COUNT)
dp->val.i32 = (int32_t)gprData[iCount++];
else
dp->val.i32 = *((int32_t*)ap++);
break;
case nsXPTType::T_I64:
if (iCount < PARAM_GPR_COUNT)
dp->val.i64 = (int64_t)gprData[iCount++];
else
dp->val.i64 = *((int64_t*)ap++);
break;
case nsXPTType::T_U8:
if (iCount < PARAM_GPR_COUNT)
dp->val.u8 = (uint8_t)gprData[iCount++];
else
dp->val.u8 = *((uint8_t*)ap++);
break;
case nsXPTType::T_U16:
if (iCount < PARAM_GPR_COUNT)
dp->val.u16 = (uint16_t)gprData[iCount++];
else
dp->val.u16 = *((uint16_t*)ap++);
break;
case nsXPTType::T_U32:
if (iCount < PARAM_GPR_COUNT)
dp->val.u32 = (uint32_t)gprData[iCount++];
else
dp->val.u32 = *((uint32_t*)ap++);
break;
case nsXPTType::T_U64:
if (iCount < PARAM_GPR_COUNT)
dp->val.u64 = (uint64_t)gprData[iCount++];
else
dp->val.u64 = *((uint64_t*)ap++);
break;
case nsXPTType::T_FLOAT:
if (iCount < PARAM_FPR_COUNT)
// The value in xmm register is already prepared to
// be retrieved as a float. Therefore, we pass the
// value verbatim, as a double without conversion.
dp->val.d = (double)fprData[iCount++];
else
dp->val.f = *((float*)ap++);
break;
case nsXPTType::T_DOUBLE:
if (iCount < PARAM_FPR_COUNT)
dp->val.d = (double)fprData[iCount++];
else
dp->val.d = *((double*)ap++);
break;
case nsXPTType::T_BOOL:
if (iCount < PARAM_GPR_COUNT)
// We need the cast to uint8_t to remove garbage on upper 56-bit
// at first.
dp->val.b = (bool)(uint8_t)gprData[iCount++];
else
dp->val.b = *((bool*)ap++);
break;
case nsXPTType::T_CHAR:
if (iCount < PARAM_GPR_COUNT)
dp->val.c = (char)gprData[iCount++];
else
dp->val.c = *((char*)ap++);
break;
case nsXPTType::T_WCHAR:
if (iCount < PARAM_GPR_COUNT)
dp->val.wc = (wchar_t)gprData[iCount++];
else
dp->val.wc = *((wchar_t*)ap++);
break;
default:
NS_ERROR("bad type");
break;
}
}
nsresult result = self->mOuter->CallMethod((uint16_t)methodIndex, info,
paramBuffer);
return result;
}
#define STUB_ENTRY(n) /* defined in the assembly file */
#define SENTINEL_ENTRY(n) \
nsresult nsXPTCStubBase::Sentinel##n() \
{ \
NS_ERROR("nsXPTCStubBase::Sentinel called"); \
return NS_ERROR_NOT_IMPLEMENTED; \
}
#include "xptcstubsdef.inc"
void
xptc_dummy()
{
}