e83f7ba2c9
. file- and functionality-compatible with previous situation
(FreeBSD csu) (with a crt1.o -> crt0.o symlink in /usr/lib)
. harmonizes source with netbsd
. harmonizes linker invocation (e.g. clang) with netbsd
. helpful to get some arm code in there for the arm port project
69 lines
2.8 KiB
C
69 lines
2.8 KiB
C
/* $NetBSD: dot_init.h,v 1.8 2008/05/10 15:31:04 martin Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2004 Nick Hudson
|
|
* 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 */
|
|
|
|
#define MD_SECTION_PROLOGUE(sect, entry_pt) \
|
|
__asm ( \
|
|
".section "#sect",\"ax\",@progbits \n"\
|
|
".global "#entry_pt" \n"\
|
|
".proc \n"\
|
|
".callinfo frame=64, calls, save_rp, save_sp, entry_gr=3\n"\
|
|
".entry \n"\
|
|
#entry_pt": \n"\
|
|
" stw %rp, -20(%sp) \n"\
|
|
" copy %r3, %r1 \n"\
|
|
" copy %sp, %r3 \n"\
|
|
" stw,ma %r1, 64(%sp) \n"\
|
|
" /* fall thru */ \n"\
|
|
".exit \n"\
|
|
".procend \n"\
|
|
".previous")
|
|
|
|
#define MD_SECTION_EPILOGUE(sect) \
|
|
__asm ( \
|
|
".section "#sect",\"ax\",@progbits \n"\
|
|
" ldw -20(%r3) ,%rp \n"\
|
|
" ldo 64(%r3), %sp \n"\
|
|
" ldw,mb -64(%sp), %r3 \n"\
|
|
" bv,n %r0(%rp) \n"\
|
|
".previous")
|
|
|
|
#define MD_INIT_SECTION_PROLOGUE MD_SECTION_PROLOGUE(.init, _init)
|
|
#define MD_FINI_SECTION_PROLOGUE MD_SECTION_PROLOGUE(.fini, _fini)
|
|
|
|
#define MD_INIT_SECTION_EPILOGUE MD_SECTION_EPILOGUE(.init)
|
|
#define MD_FINI_SECTION_EPILOGUE MD_SECTION_EPILOGUE(.fini)
|