wmainwnt.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 104 行

/****************************************************************************
*
*                            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:  Win32 runtime main entrypoint.
*
****************************************************************************/


#include "variety.h"
#include "widechar.h"
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <malloc.h>
#include <process.h>
#include <windows.h>
#include "ntex.h"
#include "initfini.h"
#include "thread.h"
#include "initarg.h"

extern void __InitThreadData( thread_data * );

#ifdef __SW_BR
    _WCRTLINK extern    void    (*__process_fini)(unsigned,unsigned);
#else
    extern void __NTMainInit( void *, void * );
    extern      unsigned        __ASTACKSIZ;    /* alternate stack size */
    extern      char            *__ASTACKPTR;   /* alternate stack pointer */
    extern      unsigned        __ThreadDataSize;

    #ifdef _M_IX86
        #pragma aux     __ASTACKPTR "*"
        #pragma aux     __ASTACKSIZ "*"
    #endif
#endif

extern void __CommonInit( void );
extern int APIENTRY __F_NAME(WinMain,wWinMain)( HINSTANCE, HINSTANCE, CHAR_TYPE*, int );

void __F_NAME(__WinMain,__wWinMain)( void )
{
    #ifdef __SW_BR
    {
        #ifdef _M_IX86
            REGISTRATION_RECORD rr;
            __NewExceptionFilter( &rr );
        #endif
        __process_fini = &__FiniRtns;
        __InitRtns( 255 );
    }
    #else
    {
        REGISTRATION_RECORD     rr;
        thread_data             *tdata;
        __InitRtns( 1 );
        tdata = __alloca( __ThreadDataSize );
        memset( tdata, 0, __ThreadDataSize );
        // tdata->__allocated = 0;
        tdata->__data_size = __ThreadDataSize;
        __InitThreadData( tdata );
        __NTMainInit( &rr, tdata );
        /* allocate alternate stack for F77 */
        __ASTACKPTR = (char *)alloca( __ASTACKSIZ ) + __ASTACKSIZ;
    }
    #endif
    __CommonInit();
    exit( __F_NAME(WinMain,wWinMain)(
                GetModuleHandle( NULL ),
                0,
                __F_NAME(_LpCmdLine,_LpwCmdLine),
                SW_SHOWDEFAULT ) );
}
#ifdef _M_IX86
    #ifdef __WIDECHAR__
        #pragma aux __wWinMain "*";
    #else
        #pragma aux __WinMain "*";
    #endif
#endif