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$NetBSD: patch-xpcom_reflect_xptcall_md_unix_xptcinvoke__sparc64__netbsd.cpp,v 1.1 2017/04/27 01:55:57 ryoon Exp $
--- xpcom/reflect/xptcall/md/unix/xptcinvoke_sparc64_netbsd.cpp.orig 2014-10-14 18:49:14.000000000 +0000
+++ xpcom/reflect/xptcall/md/unix/xptcinvoke_sparc64_netbsd.cpp
@@ -0,0 +1,84 @@
+/* -*- 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) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s):
+ */
+
+/* Platform specific code to invoke XPCOM methods on native objects */
+
+#include "xptcprivate.h"
+
+#if !defined(__sparc64__) && !defined(_LP64)
+#error "This code is for Sparc64 only"
+#endif
+
+extern "C" PRUint32
+invoke_copy_to_stack(PRUint64* d, PRUint32 paramCount, nsXPTCVariant* s)
+{
+ /*
+ We need to copy the parameters for this function to locals and use them
+ from there since the parameters occupy the same stack space as the stack
+ we're trying to populate.
+ */
+ PRUint64 *l_d = d;
+ nsXPTCVariant *l_s = s;
+ PRUint64 l_paramCount = paramCount;
+ PRUint64 regCount = 0; // return the number of registers to load from the stack
+
+ for(PRUint64 i = 0; i < l_paramCount; i++, l_d++, l_s++)
+ {
+ if (regCount < 5) regCount++;
+
+ if (l_s->IsPtrData())
+ {
+ *l_d = (PRUint64)l_s->ptr;
+ continue;
+ }
+ switch (l_s->type)
+ {
+ case nsXPTType::T_I8 : *((PRInt64*)l_d) = l_s->val.i8; break;
+ case nsXPTType::T_I16 : *((PRInt64*)l_d) = l_s->val.i16; break;
+ case nsXPTType::T_I32 : *((PRInt64*)l_d) = l_s->val.i32; break;
+ case nsXPTType::T_I64 : *((PRInt64*)l_d) = l_s->val.i64; break;
+
+ case nsXPTType::T_U8 : *((PRUint64*)l_d) = l_s->val.u8; break;
+ case nsXPTType::T_U16 : *((PRUint64*)l_d) = l_s->val.u16; break;
+ case nsXPTType::T_U32 : *((PRUint64*)l_d) = l_s->val.u32; break;
+ case nsXPTType::T_U64 : *((PRUint64*)l_d) = l_s->val.u64; break;
+
+ /* in the case of floats, we want to put the bits in to the
+ 64bit space right justified... floats in the paramter array on
+ sparcv9 use odd numbered registers.. %f1, %f3, so we have to skip
+ the space that would be occupied by %f0, %f2, etc.
+ */
+ case nsXPTType::T_FLOAT : *(((float*)l_d) + 1) = l_s->val.f; break;
+ case nsXPTType::T_DOUBLE: *((double*)l_d) = l_s->val.d; break;
+ case nsXPTType::T_BOOL : *((PRInt64*)l_d) = l_s->val.b; break;
+ case nsXPTType::T_CHAR : *((PRUint64*)l_d) = l_s->val.c; break;
+ case nsXPTType::T_WCHAR : *((PRInt64*)l_d) = l_s->val.wc; break;
+
+ default:
+ // all the others are plain pointer types
+ *((void**)l_d) = l_s->val.p;
+ break;
+ }
+ }
+
+ return regCount;
+}
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