First round at ia64 csu

This commit is contained in:
cherry 2006-07-02 17:15:22 +00:00
parent b96fedac26
commit b8ee9baf67
3 changed files with 185 additions and 0 deletions

6
lib/csu/ia64/Makefile Normal file
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# $NetBSD: Makefile,v 1.1 2006/07/02 17:15:22 cherry Exp $
#Uncomment the next line to enable the new .init fallthru
CPPFLAGS+= -I- -I${.CURDIR}
.include "${.CURDIR}/../common_elf/Makefile.inc"

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lib/csu/ia64/crt0.c Normal file
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/* $NetBSD: crt0.c,v 1.1 2006/07/02 17:15:22 cherry Exp $ */
/*
* Copyright (c) 1995 Christopher G. Demetriou
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the
* NetBSD Project. See http://www.NetBSD.org/ for
* information about NetBSD.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
*/
#include "common.h"
void __start __P((char **, void (*cleanup) __P((void)), const Obj_Entry *,
struct ps_strings *));
void
__start(sp, cleanup, obj, ps_strings)
char **sp;
void (*cleanup) __P((void)); /* from shared loader */
const Obj_Entry *obj; /* from shared loader */
struct ps_strings *ps_strings;
{
long argc;
char **argv, *namep;
__asm __volatile__ ("1: \
{ .mii \
mov r15=@gprel(1b) \n \
mov r16=ip ;; \n \
sub gp=r16,r15 \n \
;; \
} ");
argc = *(long *)sp;
argv = sp + 1;
environ = sp + 2 + argc; /* 2: argc + NULL ending argv */
if ((namep = argv[0]) != NULL) { /* NULL ptr if argc = 0 */
if ((__progname = _strrchr(namep, '/')) == NULL)
__progname = namep;
else
__progname++;
}
if (ps_strings != (struct ps_strings *)0 &&
ps_strings != (struct ps_strings *)0xbabefacedeadbeef) /* XXX: Debug: see machdep.c:setregs() */
__ps_strings = ps_strings;
#ifdef DYNAMIC
if (&_DYNAMIC != NULL)
_rtld_setup(cleanup, obj);
#endif
#ifdef MCRT0
atexit(_mcleanup);
monstartup((u_long)&_eprol, (u_long)&_etext);
#endif
atexit(_fini);
_init();
exit(main(argc, argv, environ)); /* XXX: ia64 ABI says 4 parameters. */
}
/*
* NOTE: Leave the RCS ID _after_ __start(), in case it gets placed in .text.
*/
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: crt0.c,v 1.1 2006/07/02 17:15:22 cherry Exp $");
#endif /* LIBC_SCCS and not lint */
#include "common.c"

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lib/csu/ia64/dot_init.h Normal file
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/* $NetBSD: dot_init.h,v 1.1 2006/07/02 17:15:22 cherry Exp $ */
/*-
* Copyright (c) 2001 Ross Harvey
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
#include <machine/asm.h>
#define INIT_FALLTHRU_DECL void init_fallthru(void)
#define FINI_FALLTHRU_DECL void fini_fallthru(void)
#define INIT_FALLTHRU() init_fallthru()
#define FINI_FALLTHRU() fini_fallthru()
/*-
* $FreeBSD: src/lib/csu/ia64/crti.S,v 1.3 2001/11/03 06:31:27 peter Exp $
*/
#define MD_SECTION_PROLOGUE(sect, entry_pt) \
__asm ( \
".section "#sect",\"ax\",@progbits \n" \
".proc "#entry_pt" \n" \
#entry_pt": \n" \
".regstk 0,2,0,0 \n" \
".prologue 12,loc0 \n" \
".save ar.pfs,loc1 \n" \
"alloc loc1=ar.pfs,0,2,0,0 \n" \
"mov loc0=b0 /* Save return addr */ \n" \
".previous")
/*-
* $FreeBSD: src/lib/csu/ia64/crtn.S,v 1.2 2001/10/29 10:18:58 peter Exp $
*/
#define MD_SECTION_EPILOGUE(sect) \
__asm ( \
".section "#sect",\"ax\",@progbits \n" \
".regstk 0,2,0,0 \n" \
"mov b0=loc0 /*Recover return addr*/ \n" \
"mov ar.pfs=loc1 \n" \
"br.ret.sptk.many b0 \n" \
".previous")
#define MD_INIT_SECTION_PROLOGUE MD_SECTION_PROLOGUE(.init, init_fallthru)
#define MD_FINI_SECTION_PROLOGUE MD_SECTION_PROLOGUE(.fini, fini_fallthru)
#define MD_INIT_SECTION_EPILOGUE MD_SECTION_EPILOGUE(.init)
#define MD_FINI_SECTION_EPILOGUE MD_SECTION_EPILOGUE(.fini)
#define MD_DO_NOT_NEED_FALLTHRU