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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* Implement shared vtbl methods. */
#include "xptcprivate.h"
#if !defined(__NetBSD__) || !defined(__m68k__)
#error This code is for NetBSD/m68k only
#endif
extern "C" {
static nsresult
PrepareAndDispatch(nsXPTCStubBase* self, uint32 methodIndex, uint32* args)
{
#define PARAM_BUFFER_COUNT 16
nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
nsXPTCMiniVariant* dispatchParams = NULL;
nsIInterfaceInfo* iface_info = NULL;
const nsXPTMethodInfo* info;
PRUint8 paramCount;
PRUint8 i;
nsresult result = NS_ERROR_FAILURE;
NS_ASSERTION(self,"no self");
self->GetInterfaceInfo(&iface_info);
NS_ASSERTION(iface_info,"no interface info");
iface_info->GetMethodInfo(PRUint16(methodIndex), &info);
NS_ASSERTION(info,"no interface info");
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");
PRUint32* ap = args;
for(i = 0; i < paramCount; i++, ap++)
{
const nsXPTParamInfo& param = info->GetParam(i);
const nsXPTType& type = param.GetType();
nsXPTCMiniVariant* dp = &dispatchParams[i];
if(param.IsOut() || !type.IsArithmetic())
{
dp->val.p = (void*) *ap;
continue;
}
switch(type)
{
// the 8 and 16 bit types will have been promoted to 32 bits before
// being pushed onto the stack. Since the 68k is big endian, we
// need to skip over the leading high order bytes.
case nsXPTType::T_I8 : dp->val.i8 = *(((PRInt8*) ap) + 3); break;
case nsXPTType::T_I16 : dp->val.i16 = *(((PRInt16*) ap) + 1); break;
case nsXPTType::T_I32 : dp->val.i32 = *((PRInt32*) ap); break;
case nsXPTType::T_I64 : dp->val.i64 = *((PRInt64*) ap); ap++; break;
case nsXPTType::T_U8 : dp->val.u8 = *(((PRUint8*) ap) + 3); break;
case nsXPTType::T_U16 : dp->val.u16 = *(((PRUint16*)ap) + 1); break;
case nsXPTType::T_U32 : dp->val.u32 = *((PRUint32*)ap); break;
case nsXPTType::T_U64 : dp->val.u64 = *((PRUint64*)ap); ap++; break;
case nsXPTType::T_FLOAT : dp->val.f = *((float*) ap); break;
case nsXPTType::T_DOUBLE : dp->val.d = *((double*) ap); ap++; break;
case nsXPTType::T_BOOL : dp->val.b = *((PRBool*) ap); break;
case nsXPTType::T_CHAR : dp->val.c = *(((char*) ap) + 3); break;
// wchar_t is an int (32 bits) on NetBSD
case nsXPTType::T_WCHAR : dp->val.wc = *((wchar_t*) ap); break;
default:
NS_ASSERTION(0, "bad type");
break;
}
}
result = self->CallMethod((PRUint16)methodIndex, info, dispatchParams);
NS_RELEASE(iface_info);
if(dispatchParams != paramBuffer)
delete [] dispatchParams;
return result;
}
}
#define STUB_ENTRY(n) \
__asm__( \
".global _Stub"#n"__14nsXPTCStubBase\n\t" \
"_Stub"#n"__14nsXPTCStubBase:\n\t" \
"link a6,#0 \n\t" \
"lea a6@(12), a0 \n\t" /* pointer to args */ \
"movl a0, sp@- \n\t" \
"movl #"#n", sp@- \n\t" /* method index */ \
"movl a6@(8), sp@- \n\t" /* this */ \
"jbsr _PrepareAndDispatch \n\t" \
"unlk a6 \n\t" \
"rts \n\t" \
);
#define SENTINEL_ENTRY(n) \
nsresult nsXPTCStubBase::Sentinel##n() \
{ \
NS_ASSERTION(0,"nsXPTCStubBase::Sentinel called"); \
return NS_ERROR_NOT_IMPLEMENTED; \
}
#include "xptcstubsdef.inc"
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