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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [services/] [loader/] [v2_0/] [src/] [crtendS.c] - Rev 174
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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 Red Hat, 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., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 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. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-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