1 //==========================================================================
7 //==========================================================================
8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // -------------------------------------------
10 // This file is part of eCos, the Embedded Configurable Operating System.
11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
13 // eCos is free software; you can redistribute it and/or modify it under
14 // the terms of the GNU General Public License as published by the Free
15 // Software Foundation; either version 2 or (at your option) any later version.
17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
22 // You should have received a copy of the GNU General Public License along
23 // with eCos; if not, write to the Free Software Foundation, Inc.,
24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
26 // As a special exception, if other files instantiate templates or use macros
27 // or inline functions from this file, or you compile this file and link it
28 // with other works to produce a work based on this file, this file does not
29 // by itself cause the resulting work to be covered by the GNU General Public
30 // License. However the source code for this file must still be made available
31 // in accordance with section (3) of the GNU General Public License.
33 // This exception does not invalidate any other reasons why a work based on
34 // this file might be covered by the GNU General Public License.
36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
37 // at http://sources.redhat.com/ecos/ecos-license/
38 // -------------------------------------------
39 //####ECOSGPLCOPYRIGHTEND####
40 //==========================================================================
41 //#####DESCRIPTIONBEGIN####
44 // Contributors: nickg
46 // Purpose: C runtime support
47 // Description: This file contains code that must appear at the very start of
48 // a dynamically loaded library. It contains definitions for the
49 // start of the .init and .fini sections.
51 //####DESCRIPTIONEND####
53 //==========================================================================
55 #include <pkgconf/system.h>
57 #include <cyg/loader/loader.hxx>
59 /*------------------------------------------------------------------------*/
61 #ifndef INIT_SECTION_ASM_OP
62 #define INIT_SECTION_ASM_OP ".section\t.init,\"ax\"\n"
65 #ifndef FINI_SECTION_ASM_OP
66 #define FINI_SECTION_ASM_OP ".section\t.fini,\"ax\"\n"
69 #ifndef TEXT_SECTION_ASM_OP
70 #define TEXT_SECTION_ASM_OP ".text\n"
73 #ifndef CTORS_SECTION_ASM_OP
74 #define CTORS_SECTION_ASM_OP "\t.section\t.ctors,\"aw\"\n"
77 #ifndef DTORS_SECTION_ASM_OP
78 #define DTORS_SECTION_ASM_OP "\t.section\t.dtors,\"aw\"\n"
81 /*------------------------------------------------------------------------*/
83 typedef void (*pfunc) (void);
87 asm(CTORS_SECTION_ASM_OP);
88 static pfunc __CTOR_LIST__[1] __attribute__((unused)) = { (pfunc) -1 };
89 asm(DTORS_SECTION_ASM_OP);
90 static pfunc __DTOR_LIST__[1] __attribute__((unused)) = { (pfunc) -1 };
91 asm(TEXT_SECTION_ASM_OP);
95 extern pfunc __CTOR_LIST__[];
96 extern pfunc __DTOR_LIST__[];
100 /*------------------------------------------------------------------------*/
102 asm (INIT_SECTION_ASM_OP);
104 void __attribute__ ((__unused__))
107 asm( TEXT_SECTION_ASM_OP );
110 /*------------------------------------------------------------------------*/
112 asm (FINI_SECTION_ASM_OP);
114 static void __attribute__ ((__unused__))
117 // __do_global_dtors_aux ();
118 #ifdef FORCE_FINI_SECTION_ALIGN
119 FORCE_FINI_SECTION_ALIGN;
121 asm (TEXT_SECTION_ASM_OP);
124 /*------------------------------------------------------------------------*/
126 //==========================================================================
127 // End of crtbeginS.c