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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* 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):
* David S. Miller <davem@redhat.com> (ported to gcc3)
*
* Alternatively, the contents of this file may be used under the terms of
* either 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.
*/
/*
* Platform specific code to invoke XPCOM methods on native objects for
* Linux/Sparc with gcc 3 ABI.
*/
.global XPTC_InvokeByIndex
/*
* XPTC_InvokeByIndex(nsISupports* that, PRUint32 methodIndex,
* PRUint32 paramCount, nsXPTCVariant* params);
*
*/
XPTC_InvokeByIndex:
save %sp,-(64 + 16),%sp ! room for the register window and
! struct pointer, rounded up to 0 % 16
mov %i2,%o0 ! paramCount
call invoke_count_words ! returns the required stack size in %o0
mov %i3,%o1 ! params
sll %o0,2,%l0 ! number of bytes
sub %sp,%l0,%sp ! create the additional stack space
mov %sp,%o0 ! pointer for copied args
add %o0,72,%o0 ! step past the register window, the
! struct result pointer and the 'this' slot
mov %i2,%o1 ! paramCount
call invoke_copy_to_stack
mov %i3,%o2 ! params
!
! calculate the target address from the vtable
!
ld [%i0],%l1 ! *that --> vTable
sll %i1,2,%i1 ! multiply index by 4
add %i1,%l1,%l1 ! l1 now points to vTable entry
ld [%l1],%l0 ! target address
.L5: ld [%sp + 88],%o5
.L4: ld [%sp + 84],%o4
.L3: ld [%sp + 80],%o3
.L2: ld [%sp + 76],%o2
.L1: ld [%sp + 72],%o1
.L0:
jmpl %l0,%o7 ! call the routine
! always have a 'this', from the incoming 'that'
mov %i0,%o0
mov %o0,%i0 ! propagate return value
ret
restore
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