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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 */
#include "xptcprivate.h"
#ifndef AIX
#error "This code is for PowerPC only"
#endif
extern "C" void
invoke_copy_to_stack(PRUint32* d, PRUint32 paramCount, nsXPTCVariant* s, double *fprData)
{
/*
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.
*/
PRUint32 *l_d = d;
nsXPTCVariant *l_s = s;
PRUint32 l_paramCount = paramCount, fpCount = 0;
double *l_fprData = fprData;
typedef struct {
uint32 hi;
uint32 lo;
} DU; // have to move 64 bit entities as 32 bit halves since
// stack slots are not guaranteed 16 byte aligned
for(uint32 i = 0; i < l_paramCount; i++, l_d++, l_s++)
{
if(l_s->IsPtrData())
{
*((void**)l_d) = l_s->ptr;
continue;
}
switch(l_s->type)
{
case nsXPTType::T_I8 : *((int32*) l_d) = l_s->val.i8; break;
case nsXPTType::T_I16 : *((int32*) l_d) = l_s->val.i16; break;
case nsXPTType::T_I32 : *((int32*) l_d) = l_s->val.i32; break;
case nsXPTType::T_I64 :
case nsXPTType::T_U64 :
*((uint32*) l_d++) = ((DU *)l_s)->hi;
*((uint32*) l_d) = ((DU *)l_s)->lo;
break;
case nsXPTType::T_DOUBLE :
*((uint32*) l_d++) = ((DU *)l_s)->hi;
*((uint32*) l_d) = ((DU *)l_s)->lo;
if(fpCount < 13)
l_fprData[fpCount++] = l_s->val.d;
break;
case nsXPTType::T_U8 : *((uint32*) l_d) = l_s->val.u8; break;
case nsXPTType::T_U16 : *((uint32*) l_d) = l_s->val.u16; break;
case nsXPTType::T_U32 : *((uint32*) l_d) = l_s->val.u32; break;
case nsXPTType::T_FLOAT :
*((float*) l_d) = l_s->val.f;
if(fpCount < 13)
l_fprData[fpCount++] = l_s->val.f;
break;
case nsXPTType::T_BOOL : *((PRBool*) l_d) = l_s->val.b; break;
case nsXPTType::T_CHAR : *((uint32*) l_d) = l_s->val.c; break;
case nsXPTType::T_WCHAR : *((int32*) l_d) = l_s->val.wc; break;
default:
// all the others are plain pointer types
*((void**)l_d) = l_s->val.p;
break;
}
}
}
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