michael@0: /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /* Implement shared vtbl methods. */
michael@0: 
michael@0: #include "xptcprivate.h"
michael@0: #include "xptiprivate.h"
michael@0: 
michael@0: #if defined(sparc) || defined(__sparc__)
michael@0: 
michael@0: extern "C" nsresult ATTRIBUTE_USED
michael@0: PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint32_t* args)
michael@0: {
michael@0: 
michael@0:     typedef struct {
michael@0:         uint32_t hi;
michael@0:         uint32_t lo;
michael@0:     } DU;               // have to move 64 bit entities as 32 bit halves since
michael@0:                         // stack slots are not guaranteed 16 byte aligned
michael@0: 
michael@0: #define PARAM_BUFFER_COUNT     16
michael@0: 
michael@0:     nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
michael@0:     nsXPTCMiniVariant* dispatchParams = nullptr;
michael@0:     const nsXPTMethodInfo* info;
michael@0:     uint8_t paramCount;
michael@0:     uint8_t i;
michael@0:     nsresult result = NS_ERROR_FAILURE;
michael@0: 
michael@0:     NS_ASSERTION(self,"no self");
michael@0: 
michael@0:     self->mEntry->GetMethodInfo(uint16_t(methodIndex), &info);
michael@0:     NS_ASSERTION(info,"no interface info");
michael@0: 
michael@0:     paramCount = info->GetParamCount();
michael@0: 
michael@0:     // setup variant array pointer
michael@0:     if(paramCount > PARAM_BUFFER_COUNT)
michael@0:         dispatchParams = new nsXPTCMiniVariant[paramCount];
michael@0:     else
michael@0:         dispatchParams = paramBuffer;
michael@0:     NS_ASSERTION(dispatchParams,"no place for params");
michael@0: 
michael@0:     uint32_t* ap = args;
michael@0:     for(i = 0; i < paramCount; i++, ap++)
michael@0:     {
michael@0:         const nsXPTParamInfo& param = info->GetParam(i);
michael@0:         const nsXPTType& type = param.GetType();
michael@0:         nsXPTCMiniVariant* dp = &dispatchParams[i];
michael@0: 
michael@0:         if(param.IsOut() || !type.IsArithmetic())
michael@0:         {
michael@0:             dp->val.p = (void*) *ap;
michael@0:             continue;
michael@0:         }
michael@0:         // else
michael@0:         switch(type)
michael@0:         {
michael@0:         case nsXPTType::T_I8     : dp->val.i8  = *((int32_t*)  ap);       break;
michael@0:         case nsXPTType::T_I16    : dp->val.i16 = *((int32_t*) ap);       break;
michael@0:         case nsXPTType::T_I32    : dp->val.i32 = *((int32_t*) ap);       break;
michael@0:         case nsXPTType::T_DOUBLE :
michael@0:         case nsXPTType::T_U64    :
michael@0:         case nsXPTType::T_I64    : ((DU *)dp)->hi = ((DU *)ap)->hi; 
michael@0:                                    ((DU *)dp)->lo = ((DU *)ap)->lo;
michael@0:                                    ap++;
michael@0:                                    break;
michael@0:         case nsXPTType::T_U8     : dp->val.u8  = *((uint32_t*)ap);       break;
michael@0:         case nsXPTType::T_U16    : dp->val.u16 = *((uint32_t*)ap);       break;
michael@0:         case nsXPTType::T_U32    : dp->val.u32 = *((uint32_t*)ap);       break;
michael@0:         case nsXPTType::T_FLOAT  : dp->val.f   = *((float*)   ap);       break;
michael@0:         case nsXPTType::T_BOOL   : dp->val.b   = *((uint32_t*)ap);       break;
michael@0:         case nsXPTType::T_CHAR   : dp->val.c   = *((uint32_t*)ap);       break;
michael@0:         case nsXPTType::T_WCHAR  : dp->val.wc  = *((int32_t*) ap);       break;
michael@0:         default:
michael@0:             NS_ERROR("bad type");
michael@0:             break;
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     result = self->mOuter->CallMethod((uint16_t)methodIndex, info, dispatchParams);
michael@0: 
michael@0:     if(dispatchParams != paramBuffer)
michael@0:         delete [] dispatchParams;
michael@0: 
michael@0:     return result;
michael@0: }
michael@0: 
michael@0: extern "C" nsresult SharedStub(int, int*);
michael@0: 
michael@0: #define STUB_ENTRY(n) \
michael@0: nsresult nsXPTCStubBase::Stub##n() \
michael@0: { \
michael@0: 	int dummy; /* defeat tail-call optimization */ \
michael@0: 	return SharedStub(n, &dummy); \
michael@0: }
michael@0: 
michael@0: #define SENTINEL_ENTRY(n) \
michael@0: nsresult nsXPTCStubBase::Sentinel##n() \
michael@0: { \
michael@0:     NS_ERROR("nsXPTCStubBase::Sentinel called"); \
michael@0:     return NS_ERROR_NOT_IMPLEMENTED; \
michael@0: }
michael@0: 
michael@0: #include "xptcstubsdef.inc"
michael@0: 
michael@0: #endif /* sparc || __sparc__ */