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