$NetBSD: patch-xd,v 1.1 2010/03/16 10:59:10 tnn Exp $

NetBSD/sparc64 xptcall support code. From pkgsrc/www/firefox3/files/

--- mozilla/xpcom/reflect/xptcall/src/md/unix/xptcstubs_sparc64_netbsd.cpp.orig	2009-07-09 10:12:51.000000000 +0200
+++ mozilla/xpcom/reflect/xptcall/src/md/unix/xptcstubs_sparc64_netbsd.cpp
@@ -0,0 +1,119 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape 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/NPL/
+ *
+ * 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 Netscape are
+ * Copyright (C) 1999 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+
+/* Implement shared vtbl methods. */
+
+#include "xptcprivate.h"
+#include "xptiprivate.h"
+
+#if defined(sparc) || defined(__sparc__)
+
+extern "C" nsresult
+PrepareAndDispatch(nsXPTCStubBase* self, PRUint64 methodIndex, PRUint64* args)
+{
+
+#define PARAM_BUFFER_COUNT     16
+
+    nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
+    nsXPTCMiniVariant* dispatchParams = NULL;
+    const nsXPTMethodInfo* info;
+    PRUint8 paramCount;
+    PRUint8 i;
+    nsresult result = NS_ERROR_FAILURE;
+
+    NS_ASSERTION(self,"no self");
+
+    self->mEntry->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");
+    if (!dispatchParams)
+        return NS_ERROR_OUT_OF_MEMORY;
+
+    PRUint64* 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;
+        }
+        // else
+        switch(type)
+        {
+        case nsXPTType::T_BOOL   : dp->val.b   = *((PRInt64*)  ap);      break;
+        case nsXPTType::T_CHAR   : dp->val.c   = *((PRUint64*) ap);      break;
+        case nsXPTType::T_WCHAR  : dp->val.wc  = *((PRInt64*) ap);       break;
+        case nsXPTType::T_I8     : dp->val.i8  = *((PRInt64*)  ap);      break;
+        case nsXPTType::T_I16    : dp->val.i16 = *((PRInt64*) ap);       break;
+        case nsXPTType::T_I32    : dp->val.i32 = *((PRInt64*) ap);       break;
+        case nsXPTType::T_I64    : dp->val.i64 = *((PRInt64*) ap);       break;
+        case nsXPTType::T_U8     : dp->val.u8  = *((PRUint64*) ap);      break;
+        case nsXPTType::T_U16    : dp->val.u16 = *((PRUint64*)ap);       break;
+        case nsXPTType::T_U32    : dp->val.u32 = *((PRUint64*)ap);       break;
+        case nsXPTType::T_U64    : dp->val.u64 = *((PRUint64*) ap);      break;
+        case nsXPTType::T_FLOAT  : dp->val.f   = ((float*)   ap)[1];     break;
+        case nsXPTType::T_DOUBLE : dp->val.d   = *((double*) ap);        break;
+        default:
+            NS_ASSERTION(0, "bad type");
+            break;
+        }
+    }
+
+    result = self->mOuter->CallMethod((PRUint16)methodIndex, info, dispatchParams);
+
+    if(dispatchParams != paramBuffer)
+        delete [] dispatchParams;
+
+    return result;
+}
+
+extern "C" int SharedStub(int, int*);
+
+#define STUB_ENTRY(n) \
+nsresult nsXPTCStubBase::Stub##n() \
+{ \
+	int dummy; /* defeat tail-call optimization */ \
+	return SharedStub(n, &dummy); \
+}
+
+#define SENTINEL_ENTRY(n) \
+nsresult nsXPTCStubBase::Sentinel##n() \
+{ \
+    NS_ASSERTION(0,"nsXPTCStubBase::Sentinel called"); \
+    return NS_ERROR_NOT_IMPLEMENTED; \
+}
+
+#include "xptcstubsdef.inc"
+
+#endif /* sparc || __sparc__ */