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git-svn-id: svn://kolibrios.org@548 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/open watcom/trunk/clib/crt/stacklow.h

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+/****************************************************************************
+*
+*                            Open Watcom Project
+*
+*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
+*
+*  ========================================================================
+*
+*    This file contains Original Code and/or Modifications of Original
+*    Code as defined in and that are subject to the Sybase Open Watcom
+*    Public License version 1.0 (the 'License'). You may not use this file
+*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
+*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
+*    provided with the Original Code and Modifications, and is also
+*    available at www.sybase.com/developer/opensource.
+*
+*    The Original Code and all software distributed under the License are
+*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
+*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
+*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
+*    NON-INFRINGEMENT. Please see the License for the specific language
+*    governing rights and limitations under the License.
+*
+*  ========================================================================
+*
+* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
+*               DESCRIBE IT HERE!
+*
+****************************************************************************/
+
+
+#ifndef _STACKLOW_H_INCLUDED
+#define _STACKLOW_H_INCLUDED
+
+#define __Align4K( x ) (((x)+0xfffL) & ~0xfffL )
+
+#if defined(_M_IX86)
+    extern  unsigned    _SP();
+    #if defined(__386__)
+        #pragma aux _SP = "mov eax,esp" value [eax];
+    #else
+        #pragma aux _SP = "mov ax,sp" value [ax];
+    #endif
+#endif
+
+#if defined(__NT__)
+    void __init_stack_limits( unsigned *stacklow, unsigned *stacktop );
+#endif
+
+#if defined(__SW_BM)
+    #include "thread.h"
+    #define _STACKLOW   (__THREADDATAPTR->__stklowP)
+#else
+    extern  unsigned        _STACKLOW;
+#endif
+
+#endif
+