a4a357a18b
* /harbour/* -> /*
* moved whole Harbour source tree one level up to
avoid single 'harbour' top dir
326 lines
10 KiB
C
326 lines
10 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* Header file for automatic static initialization
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*
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* Copyright 1999 Antonio Linares <alinares@fivetech.com>
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* www - http://harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING.txt. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#ifndef HB_INIT_H_
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#define HB_INIT_H_
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#include "hbsetup.h"
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HB_EXTERN_BEGIN
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extern HB_EXPORT PHB_SYMB hb_vmProcessSymbols( PHB_SYMB pSymbols, HB_USHORT uiSymbols, const char * szModuleName, HB_ULONG ulID, HB_USHORT uiPcodeVer ); /* module symbols initialization with extended information */
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#define HB_INIT_SYMBOLS_END( func ) HB_INIT_SYMBOLS_EX_END( func, __FILE__, 0L, 0x0000 )
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/* By default in all C++ builds use static vars initialization as startup code */
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#if defined( __cplusplus ) && ! defined( HB_STATIC_STARTUP ) && \
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! defined( HB_PRAGMA_STARTUP ) && ! defined( HB_GNUC_STARTUP ) && \
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! defined( HB_INITSEG_STARTUP ) && ! defined( HB_DATASEG_STARTUP )
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#define HB_STATIC_STARTUP
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#endif
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#define HB_INIT_SYMBOLS_COUNT ( sizeof( symbols_table ) / sizeof( HB_SYMB ) )
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#if defined( HB_STRICT_ANSI_C )
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#define HB_INIT_SYMBOLS_BEGIN( func ) \
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static HB_SYMB symbols_table[] = {
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#define HB_INIT_SYMBOLS_EX_END( func, module, id, vpcode ) \
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}; \
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static PHB_SYMB symbols = symbols_table; \
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void func( void ) \
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{ \
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symbols = hb_vmProcessSymbols( symbols_table, ( HB_USHORT ) HB_INIT_SYMBOLS_COUNT, (module), (id), (vpcode) ); \
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}
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#define HB_CALL_ON_STARTUP_BEGIN( func ) \
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void func( void ) \
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{
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#define HB_CALL_ON_STARTUP_END( func ) \
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}
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#elif defined( HB_STATIC_STARTUP )
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#if defined( HB_PRAGMA_STARTUP ) || defined( HB_DATASEG_STARTUP )
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#error Wrong macros set for startup code - clean your make/env settings.
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#endif
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#define HB_INIT_SYMBOLS_BEGIN( func ) \
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static HB_SYMB symbols_table[] = {
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#define HB_INIT_SYMBOLS_EX_END( func, module, id, vpcode ) \
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}; \
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static PHB_SYMB symbols = hb_vmProcessSymbols( symbols_table, ( HB_USHORT ) HB_INIT_SYMBOLS_COUNT, (module), (id), (vpcode) ); \
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#define HB_CALL_ON_STARTUP_BEGIN( func ) \
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static int func( void ) \
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{
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/* this allows any macros to be preprocessed first
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so that token pasting is handled correctly */
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#define HB_CALL_ON_STARTUP_END( func ) \
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_HB_CALL_ON_STARTUP_END( func )
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#define _HB_CALL_ON_STARTUP_END( func ) \
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return 0; \
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} \
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static int static_int_##func = func();
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#elif defined( HB_INITSEG_STARTUP )
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#if defined( HB_PRAGMA_STARTUP ) || defined( HB_DATASEG_STARTUP )
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#error Wrong macros set for startup code - clean your make/env settings.
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#endif
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#if defined( _M_COFF )
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#define HB_STARTUP_INITSEGMENT ".init, \"x\""
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#else
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#define HB_STARTUP_INITSEGMENT ".init"
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#endif
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#define HB_INIT_SYMBOLS_BEGIN( func ) \
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static HB_SYMB symbols_table[] = {
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#define HB_INIT_SYMBOLS_EX_END( func, module, id, vpcode ) \
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}; \
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static PHB_SYMB symbols = symbols_table; \
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HB_CALL_ON_STARTUP_BEGIN( func ) \
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symbols = hb_vmProcessSymbols( symbols_table, ( HB_USHORT ) HB_INIT_SYMBOLS_COUNT, (module), (id), (vpcode) ); \
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HB_CALL_ON_STARTUP_END( func )
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#define HB_CALL_ON_STARTUP_BEGIN( func ) \
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HB_EXTERN_BEGIN \
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static void func( void ) \
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{
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#define HB_CALL_ON_STARTUP_END( func ) \
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} \
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HB_INIT_FUNCTION_REF( func ) \
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HB_EXTERN_END \
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asm ( ".section " HB_STARTUP_INITSEGMENT \
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"\n\tcall " HB_MACRO2STRING( func ) \
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"\n\t.section .text\n\t" );
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/* TODO: if possible use other way without public symbols to mark function
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* as used so it's not removed by C compiler optimization logic
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*/
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#define HB_INIT_FUNCTION_REF( func ) \
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extern void * func##_ref_( void ); \
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void * func##_ref_( void ) \
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{ \
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return ( void * ) func; \
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}
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#elif defined( HB_GNUC_STARTUP ) || \
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defined( __GNUC__ ) || \
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defined( __SUNPRO_C ) || defined( __SUNPRO_CC ) || \
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defined( __DCC__ ) || \
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defined( __TINYC__ ) /* TOFIX: __TINYC__ */
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#if defined( HB_PRAGMA_STARTUP ) || defined( HB_DATASEG_STARTUP )
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#error Wrong macros set for startup code - clean your make/env settings.
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#endif
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#define HB_INIT_SYMBOLS_BEGIN( func ) \
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static HB_SYMB symbols_table[] = {
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#if defined( __DCC__ )
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#define HB_INIT_SYMBOLS_EX_END( func, module, id, vpcode ) \
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}; \
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static PHB_SYMB symbols = symbols_table; \
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void __attribute__ ((constructor)) func( void ) \
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{ \
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symbols = hb_vmProcessSymbols( symbols_table, ( HB_USHORT ) HB_INIT_SYMBOLS_COUNT, (module), (id), (vpcode) ); \
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}
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#define HB_CALL_ON_STARTUP_BEGIN( func ) \
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void __attribute__ ((constructor)) func( void ) \
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{
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#else
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#define HB_INIT_SYMBOLS_EX_END( func, module, id, vpcode ) \
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}; \
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static PHB_SYMB symbols = symbols_table; \
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static void __attribute__ ((constructor)) func( void ) \
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{ \
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symbols = hb_vmProcessSymbols( symbols_table, ( HB_USHORT ) HB_INIT_SYMBOLS_COUNT, (module), (id), (vpcode) ); \
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}
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#define HB_CALL_ON_STARTUP_BEGIN( func ) \
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static void __attribute__ ((constructor)) func( void ) \
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{
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#endif
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#define HB_CALL_ON_STARTUP_END( func ) \
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}
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#elif defined( HB_PRAGMA_STARTUP ) || \
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defined( __BORLANDC__ ) || defined( __LCC__ ) || \
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defined( __POCC__ ) || defined( __XCC__ )
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#if ! defined( HB_PRAGMA_STARTUP )
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#define HB_PRAGMA_STARTUP
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#endif
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#define HB_INIT_SYMBOLS_BEGIN( func ) \
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static HB_SYMB symbols_table[] = {
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#define HB_INIT_SYMBOLS_EX_END( func, module, id, vpcode ) \
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}; \
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static PHB_SYMB symbols = symbols_table; \
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static void func( void ) \
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{ \
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symbols = hb_vmProcessSymbols( symbols_table, ( HB_USHORT ) HB_INIT_SYMBOLS_COUNT, (module), (id), (vpcode) ); \
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}
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#define HB_CALL_ON_STARTUP_BEGIN( func ) \
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static void func( void ) \
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{
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#define HB_CALL_ON_STARTUP_END( func ) \
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}
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#elif defined( _MSC_VER )
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#define HB_DATASEG_STARTUP
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#if _MSC_VER >= 1010
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#define HB_STARTUP_SEGMENT ".CRT$XIY"
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#else
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#define HB_STARTUP_SEGMENT "XIY"
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#endif
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#define HB_INIT_SYMBOLS_BEGIN( func ) \
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static HB_SYMB symbols_table[] = {
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#define HB_INIT_SYMBOLS_EX_END( func, module, id, vpcode ) \
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}; \
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static PHB_SYMB symbols = symbols_table; \
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static int func( void ) \
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{ \
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symbols = hb_vmProcessSymbols( symbols_table, ( HB_USHORT ) HB_INIT_SYMBOLS_COUNT, (module), (id), (vpcode) ); \
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return 0; \
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}
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#define HB_CALL_ON_STARTUP_BEGIN( func ) \
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static int func( void ) \
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{
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#define HB_CALL_ON_STARTUP_END( func ) \
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return 0; \
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}
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typedef int (* HB_$INITSYM)( void );
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#define HB_DATASEG_FUNC( func ) HB_DATASEG_FUNC_( func )
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#define HB_DATASEG_FUNC_( func ) \
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static HB_$INITSYM _s_init_func_##func = func;
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/* After each '*_END' symbol, additional 'hooks' are required
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* See the C output of a generated prg for example
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*/
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#elif defined( __WATCOMC__ )
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#if defined( HB_PRAGMA_STARTUP )
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#error Wrong macros set for startup code - clean your make/env settings.
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#endif
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#define HB_INIT_SYMBOLS_BEGIN( func ) \
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static HB_SYMB symbols_table[] = {
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#define HB_INIT_SYMBOLS_EX_END( func, module, id, vpcode ) \
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}; \
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static PHB_SYMB symbols = symbols_table; \
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static void func( void ) \
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{ \
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symbols = hb_vmProcessSymbols( symbols_table, ( HB_USHORT ) HB_INIT_SYMBOLS_COUNT, (module), (id), (vpcode) ); \
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}
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#define HB_CALL_ON_STARTUP_BEGIN( func ) \
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static void func( void ) \
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{
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#define HB_CALL_ON_STARTUP_END( func ) \
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}
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#define HB_DATASEG_STARTUP
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#define HB_STARTUP_SEGMENT "XI"
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#define HB_WATCOM_STARTUP_ID 0x00
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#define HB_WATCOM_STARTUP_PRIORITY 0x40 /* default "program" priority */
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#pragma pack( __push, 1 )
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struct _s_init_info_
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{
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unsigned char id;
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unsigned char priority;
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void ( * func ) ( void );
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};
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#pragma pack( __pop )
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#define HB_DATASEG_FUNC( func ) HB_DATASEG_FUNC_( func )
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#define HB_DATASEG_FUNC_( func ) \
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static struct _s_init_info_ _s_init_info_##func = \
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{ HB_WATCOM_STARTUP_ID, HB_WATCOM_STARTUP_PRIORITY, func };
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#else
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#error Unknown initialization method.
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#endif
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HB_EXTERN_END
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#endif /* HB_INIT_H_ */
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