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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) 1998
* 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 ***** */
/* Platform specific code to invoke XPCOM methods on native objects */
/* contributed by Steve Streeter <Stephen.Streeter@Compaq.com> */
#include "xptcprivate.h"
/* Prototype specifies unmangled function name */
extern "C" void
invoke_copy_to_stack(PRUint64* d, PRUint32 paramCount, nsXPTCVariant* s);
extern "C" void
invoke_copy_to_stack(PRUint64* d, PRUint32 paramCount, nsXPTCVariant* s)
{
const PRUint8 NUM_ARG_REGS = 6-1; // -1 for "this" pointer
for(PRUint32 i = 0; i < paramCount; i++, d++, s++)
{
if(s->IsPtrData())
{
*d = (PRUint64)s->ptr;
continue;
}
switch(s->type)
{
case nsXPTType::T_I8 : *d = (PRUint64)s->val.i8; break;
case nsXPTType::T_I16 : *d = (PRUint64)s->val.i16; break;
case nsXPTType::T_I32 : *d = (PRUint64)s->val.i32; break;
case nsXPTType::T_I64 : *d = (PRUint64)s->val.i64; break;
case nsXPTType::T_U8 : *d = (PRUint64)s->val.u8; break;
case nsXPTType::T_U16 : *d = (PRUint64)s->val.u16; break;
case nsXPTType::T_U32 : *d = (PRUint64)s->val.u32; break;
case nsXPTType::T_U64 : *d = (PRUint64)s->val.u64; break;
case nsXPTType::T_FLOAT :
if(i < NUM_ARG_REGS)
{
// convert floats to doubles if they are to be passed
// via registers so we can just deal with doubles later
union { PRUint64 u64; double d; } t;
t.d = (double)s->val.f;
*d = t.u64;
}
else
// otherwise copy to stack normally
*d = (PRUint64)s->val.u32;
break;
case nsXPTType::T_DOUBLE : *d = (PRUint64)s->val.u64; break;
case nsXPTType::T_BOOL : *d = (PRUint64)s->val.b; break;
case nsXPTType::T_CHAR : *d = (PRUint64)s->val.c; break;
case nsXPTType::T_WCHAR : *d = (PRUint64)s->val.wc; break;
default:
// all the others are plain pointer types
*d = (PRUint64)s->val.p;
break;
}
}
}
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