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//==========================================================================
//
// crtendS.c
//
// C runtime support
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later
// version.
//
// eCos is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License
// along with eCos; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// As a special exception, if other files instantiate templates or use
// macros or inline functions from this file, or you compile this file
// and link it with other works to produce a work based on this file,
// this file does not by itself cause the resulting work to be covered by
// the GNU General Public License. However the source code for this file
// must still be made available in accordance with section (3) of the GNU
// General Public License v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): nickg
// Contributors: nickg
// Date: 2000-11-25
// Purpose: C runtime support
// Description: This file contains code that must appear at the very end of
// a dynamically loaded library. It contains definitions for the
// end of the .init and .fini sections.
//
//####DESCRIPTIONEND####
//
//==========================================================================
#include <pkgconf/system.h>
#include <cyg/loader/loader.hxx>
/*------------------------------------------------------------------------*/
#ifndef INIT_SECTION_ASM_OP
#define INIT_SECTION_ASM_OP ".section\t.init,\"ax\"\n"
#endif
#ifndef FINI_SECTION_ASM_OP
#define FINI_SECTION_ASM_OP ".section\t.fini,\"ax\"\n"
#endif
#ifndef TEXT_SECTION_ASM_OP
#define TEXT_SECTION_ASM_OP ".text\n"
#endif
#ifndef CTORS_SECTION_ASM_OP
#define CTORS_SECTION_ASM_OP "\t.section\t.ctors,\"aw\""
#endif
#ifndef DTORS_SECTION_ASM_OP
#define DTORS_SECTION_ASM_OP "\t.section\t.dtors,\"aw\""
#endif
/*------------------------------------------------------------------------*/
typedef void (*pfunc) (void);
#if 1
asm(CTORS_SECTION_ASM_OP);
static pfunc __CTOR_END__[1] __attribute__((unused)) = { (pfunc) 0 };
asm(DTORS_SECTION_ASM_OP);
static pfunc __DTOR_END__[] __attribute__((unused)) = { (pfunc) 0 };
asm( TEXT_SECTION_ASM_OP );
#else
extern pfunc __CTOR_LIST__[];
extern pfunc __CTOR_END__[];
extern pfunc __DTOR_END__[];
#endif
/*------------------------------------------------------------------------*/
static void
cyg_hal_invoke_constructors(void)
{
#if 1
pfunc *p;
for (p = &__CTOR_END__[-1]; *p != (pfunc) -1 ; p--)
(*p) ();
#elif 0
pfunc *p;
for (p = &__CTOR_LIST__[(int)__CTOR_LIST__[0]]; p != &__CTOR_LIST__[0] ; p--)
(*p) ();
#endif
} // cyg_hal_invoke_constructors()
/*------------------------------------------------------------------------*/
static void __attribute__ ((__unused__))
init_dummy (void)
{
asm (INIT_SECTION_ASM_OP);
cyg_hal_invoke_constructors();
}
asm( TEXT_SECTION_ASM_OP );
/*------------------------------------------------------------------------*/
static void __attribute__ ((__unused__))
fini_dummy (void)
{
asm (FINI_SECTION_ASM_OP);
// __do_global_dtors_aux ();
#ifdef FORCE_FINI_SECTION_ALIGN
FORCE_FINI_SECTION_ALIGN;
#endif
}
asm (TEXT_SECTION_ASM_OP);
/*------------------------------------------------------------------------*/
//==========================================================================
// End of crtendS.c
|
