| # -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| # |
| # ***** 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 the Netscape Portable Runtime (NSPR). |
| # |
| # The Initial Developer of the Original Code is |
| # Netscape Communications Corporation. |
| # Portions created by the Initial Developer are Copyright (C) 2003 |
| # the Initial Developer. All Rights Reserved. |
| # |
| # Contributor(s): |
| # |
| # 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 |
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| # 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 ***** |
| |
| # |
| # Based on the programming examples in The PowerPC Architecture: |
| # A Specification for A New Family of RISC Processors, 2nd Ed., |
| # Book I, Section E.1, "Synchronization," pp. 249-256, May 1994. |
| # |
| |
| .section ".text" |
| |
| # |
| # PRInt32 _PR_ppc_AtomicIncrement(PRInt32 *val); |
| # |
| .align 2 |
| .globl _PR_ppc_AtomicIncrement |
| .type _PR_ppc_AtomicIncrement,@function |
| _PR_ppc_AtomicIncrement: |
| .Lfd1: lwarx 4,0,3 |
| addi 0,4,1 |
| stwcx. 0,0,3 |
| bne- .Lfd1 |
| mr 3,0 |
| blr |
| .Lfe1: .size _PR_ppc_AtomicIncrement,.Lfe1-_PR_ppc_AtomicIncrement |
| |
| # |
| # PRInt32 _PR_ppc_AtomicDecrement(PRInt32 *val); |
| # |
| .align 2 |
| .globl _PR_ppc_AtomicDecrement |
| .type _PR_ppc_AtomicDecrement,@function |
| _PR_ppc_AtomicDecrement: |
| .Lfd2: lwarx 4,0,3 |
| addi 0,4,-1 |
| stwcx. 0,0,3 |
| bne- .Lfd2 |
| mr 3,0 |
| blr |
| .Lfe2: .size _PR_ppc_AtomicDecrement,.Lfe2-_PR_ppc_AtomicDecrement |
| |
| # |
| # PRInt32 _PR_ppc_AtomicSet(PRInt32 *val, PRInt32 newval); |
| # |
| .align 2 |
| .globl _PR_ppc_AtomicSet |
| .type _PR_ppc_AtomicSet,@function |
| _PR_ppc_AtomicSet: |
| .Lfd3: lwarx 5,0,3 |
| stwcx. 4,0,3 |
| bne- .Lfd3 |
| mr 3,5 |
| blr |
| .Lfe3: .size _PR_ppc_AtomicSet,.Lfe3-_PR_ppc_AtomicSet |
| |
| # |
| # PRInt32 _PR_ppc_AtomicAdd(PRInt32 *ptr, PRInt32 val); |
| # |
| .align 2 |
| .globl _PR_ppc_AtomicAdd |
| .type _PR_ppc_AtomicAdd,@function |
| _PR_ppc_AtomicAdd: |
| .Lfd4: lwarx 5,0,3 |
| add 0,4,5 |
| stwcx. 0,0,3 |
| bne- .Lfd4 |
| mr 3,0 |
| blr |
| .Lfe4: .size _PR_ppc_AtomicAdd,.Lfe4-_PR_ppc_AtomicAdd |
| |
| # Magic indicating no need for an executable stack |
| .section .note.GNU-stack, "", @progbits ; .previous |