From b8ee9baf6762e212f837d2749c198106a63ded6b Mon Sep 17 00:00:00 2001 From: cherry Date: Sun, 2 Jul 2006 17:15:22 +0000 Subject: [PATCH] First round at ia64 csu --- lib/csu/ia64/Makefile | 6 +++ lib/csu/ia64/crt0.c | 98 +++++++++++++++++++++++++++++++++++++++++ lib/csu/ia64/dot_init.h | 81 ++++++++++++++++++++++++++++++++++ 3 files changed, 185 insertions(+) create mode 100644 lib/csu/ia64/Makefile create mode 100644 lib/csu/ia64/crt0.c create mode 100644 lib/csu/ia64/dot_init.h diff --git a/lib/csu/ia64/Makefile b/lib/csu/ia64/Makefile new file mode 100644 index 000000000000..cd5efb2e695e --- /dev/null +++ b/lib/csu/ia64/Makefile @@ -0,0 +1,6 @@ +# $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" diff --git a/lib/csu/ia64/crt0.c b/lib/csu/ia64/crt0.c new file mode 100644 index 000000000000..aefb17b7e3c5 --- /dev/null +++ b/lib/csu/ia64/crt0.c @@ -0,0 +1,98 @@ +/* $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. + * + * <> + */ + +#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" diff --git a/lib/csu/ia64/dot_init.h b/lib/csu/ia64/dot_init.h new file mode 100644 index 000000000000..b48a854ca2ea --- /dev/null +++ b/lib/csu/ia64/dot_init.h @@ -0,0 +1,81 @@ +/* $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 /* RCS ID & Copyright macro defns */ +#include + + +#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