forked from KolibriOS/kolibrios
141 lines
3.8 KiB
NASM
141 lines
3.8 KiB
NASM
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;*****************************************************************************
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;*
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;* Open Watcom Project
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;*
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;* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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;*
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;* ========================================================================
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;*
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;* This file contains Original Code and/or Modifications of Original
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;* Code as defined in and that are subject to the Sybase Open Watcom
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;* Public License version 1.0 (the 'License'). You may not use this file
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;* except in compliance with the License. BY USING THIS FILE YOU AGREE TO
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;* ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
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;* provided with the Original Code and Modifications, and is also
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;* available at www.sybase.com/developer/opensource.
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;*
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;* The Original Code and all software distributed under the License are
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;* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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;* EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
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;* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
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;* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
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;* NON-INFRINGEMENT. Please see the License for the specific language
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;* governing rights and limitations under the License.
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;*
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;* ========================================================================
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;*
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;* Description: WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
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;* DESCRIBE IT HERE!
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;*
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;*****************************************************************************
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;
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; segment definitions for WATCOM C/C++32
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;
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include langenv.inc
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name segdefns
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.386p
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assume nothing
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if COMP_CFG_COFF
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DGROUP group _NULL,_AFTERNULL,CONST,_DATA,DATA,_BSS,STACK
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else
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ifdef __LINUX__
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DGROUP group _NULL,_AFTERNULL,CONST,_DATA,DATA,TIB,TI,TIE,XIB,XI,XIE,YIB,YI,YIE,_BSS
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else
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DGROUP group _NULL,_AFTERNULL,CONST,_DATA,DATA,_BSS,STACK,TIB,TI,TIE,XIB,XI,XIE,YIB,YI,YIE
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endif
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endif
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; this guarantees that no function pointer will equal NULL
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; (WLINK will keep segment 'BEGTEXT' in front)
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; This segment must be at least 4 bytes in size to avoid confusing the
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; signal function.
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BEGTEXT segment use32 word public 'CODE'
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assume cs:BEGTEXT
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forever label near
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int 3h
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jmp short forever
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; NOTE that __begtext needs to be at offset 3
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; don't move it. i.e. don't change any code before here.
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___begtext label byte
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nop
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nop
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nop
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nop
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public ___begtext
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assume cs:nothing
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BEGTEXT ends
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assume ds:DGROUP
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_NULL segment para public 'BEGDATA'
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__nullarea label word
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db 01h,01h,01h,00h
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public __nullarea
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_NULL ends
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_AFTERNULL segment word public 'BEGDATA'
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_AFTERNULL ends
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CONST segment word public 'DATA'
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CONST ends
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if COMP_CFG_COFF eq 0
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TIB segment byte public 'DATA'
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TIB ends
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TI segment byte public 'DATA'
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TI ends
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TIE segment byte public 'DATA'
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TIE ends
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XIB segment word public 'DATA'
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_Start_XI label byte
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public "C",_Start_XI
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XIB ends
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XI segment word public 'DATA'
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XI ends
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XIE segment word public 'DATA'
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_End_XI label byte
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public "C",_End_XI
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XIE ends
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YIB segment word public 'DATA'
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_Start_YI label byte
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public "C",_Start_YI
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YIB ends
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YI segment word public 'DATA'
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YI ends
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YIE segment word public 'DATA'
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_End_YI label byte
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public "C",_End_YI
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YIE ends
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endif
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_DATA segment word public 'DATA'
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_DATA ends
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DATA segment word public 'DATA'
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DATA ends
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_BSS segment word public 'BSS'
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_BSS ends
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ifndef __LINUX__
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STACK_SIZE equ 4096h
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STACK segment para stack 'STACK'
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db (STACK_SIZE) dup(?)
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STACK ends
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endif
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_TEXT segment use32 word public 'CODE'
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_TEXT ends
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end
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