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COMMENT | -*- Mode: asm; tab-width: 8; c-basic-offset: 4 -*-
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 the Netscape Portable Runtime (NSPR).
The Initial Developer of the Original Code is IBM Corporation.
Portions created by IBM are Copyright (C) 2001 IBM Corporation.
All Rights Reserved.
Contributor(s):
Alternatively, the contents of this file may be used under the
terms of the GNU General Public License Version 2 or later (the
"GPL"), in which case the provisions of the GPL are applicable
instead of those above. If you wish to allow use of your
version of this file only under the terms of the GPL and not to
allow others to use your version of this file under the MPL,
indicate your decision by deleting the provisions above and
replace them with the notice and other provisions required by
the GPL. If you do not delete the provisions above, a recipient
may use your version of this file under either the MPL or the
GPL.
Windows uses inline assembly for their atomic functions, so we have
created an assembly file for VACPP on OS/2
|
.486P
.MODEL FLAT, OPTLINK
.STACK
.CODE
;;;---------------------------------------------------------------------
;;; PRInt32 _Optlink _PR_MD_ATOMIC_SET(PRInt32* val, PRInt32 newval)
;;;---------------------------------------------------------------------
_PR_MD_ATOMIC_SET PROC OPTLINK EXPORT
lock xchg dword ptr [eax],edx
mov eax, edx;
ret
_PR_MD_ATOMIC_SET endp
;;;---------------------------------------------------------------------
;;; PRInt32 _Optlink _PR_MD_ATOMIC_ADD(PRInt32* ptr, PRInt32 val)
;;;---------------------------------------------------------------------
_PR_MD_ATOMIC_ADD PROC OPTLINK EXPORT
mov ecx, edx
lock xadd dword ptr [eax], edx
mov eax, edx
add eax, ecx
ret
_PR_MD_ATOMIC_ADD endp
;;;---------------------------------------------------------------------
;;; PRInt32 _Optlink _PR_MD_ATOMIC_INCREMENT(PRInt32* val)
;;;---------------------------------------------------------------------
_PR_MD_ATOMIC_INCREMENT PROC OPTLINK EXPORT
mov edx, 1
lock xadd dword ptr [eax], edx
mov eax, edx
inc eax
ret
_PR_MD_ATOMIC_INCREMENT endp
;;;---------------------------------------------------------------------
;;; PRInt32 _Optlink _PR_MD_ATOMIC_DECREMENT(PRInt32* val)
;;;---------------------------------------------------------------------
_PR_MD_ATOMIC_DECREMENT PROC OPTLINK EXPORT
mov edx, 0ffffffffh
lock xadd dword ptr [eax], edx
mov eax, edx
dec eax
ret
_PR_MD_ATOMIC_DECREMENT endp
END
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