88 lines
3.2 KiB
C++
88 lines
3.2 KiB
C++
/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* 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 Netscape are
|
|
* Copyright (C) 2001 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Stuart Parmenter <pavlov@netscape.com>
|
|
* Chris Seawood <cls@seawood.org>
|
|
*/
|
|
|
|
|
|
/* Platform specific code to invoke XPCOM methods on native objects */
|
|
|
|
#include "xptcprivate.h"
|
|
|
|
#if !defined(__sparc) && !defined(__sparc__)
|
|
#error "This code is for Sparc only"
|
|
#endif
|
|
|
|
extern "C" PRUint64
|
|
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;
|
|
}
|