correct stack depth checking

git-svn-id: svn://kolibrios.org@705 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/open watcom/trunk/clib/crt/chk.asm

@@ -1,58 +0,0 @@
-;*****************************************************************************
-;*
-;*                            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!
-;*
-;*****************************************************************************
-
-
-include mdef.inc
-include struct.inc
-
-        xref __STK
-
-        modstart        chk
-
-        xdefp   __CHK
-        xdefp   __GRO
-
-
-        defp    __CHK
-        xchg    eax,4[esp]
-        call    __STK
-        mov     eax,4[esp]
-        ret     4
-        endproc __CHK
-
-
-        defp    __GRO
-        ret     4
-        endproc __GRO
-
-
-        endmod
-        end

programs/develop/open watcom/trunk/clib/crt/stackwnt.c

@@ -34,35 +34,8 @@
 #include "stacklow.h"
 #include "exitwmsg.h"
 
-#if defined(__AXP__) || defined(__PPC__)
-void _init_stk( void )
-{
-}
-
-_WCRTLINK unsigned __CHK( unsigned i )
-{
-    return( i );
-}
-
-_WCRTLINK void __GRO( unsigned i )
-{
-    i = i;
-}
-
-_WCRTLINK void __STKOVERFLOW( void )
-{
-    __fatal_runtime_error( "stack overflow", -1 );
-}
-#endif
 
 _WCRTLINK unsigned stackavail()
 {
-#if defined(__AXP__) || defined(__PPC__)
-    unsigned    _SP;
-
-    _SP = (unsigned)&_SP;
-    return( _SP - _RWD_stacklow );
-#else
     return( _SP() - _RWD_stacklow );
-#endif
 }

programs/develop/open watcom/trunk/clib/crt/stkwnt.asm

@@ -68,7 +68,7 @@ msg     db      "Stack Overflow!", 0dh, 0ah, 0
           _quif ae                      ; - ...
           sub   eax,esp                 ; - calculate new low point
           neg   eax                     ; - calc what new SP would be
-          cmp   eax,_STACKLOW           ; - quit if too much
+          cmp   eax,[_STACKLOW]         ; - quit if too much
           _quif   be                    ; - ...
           call  __GRO                   ; - return
           ret