diff options
author | Dale Rahn <drahn@cvs.openbsd.org> | 2004-01-08 14:59:16 +0000 |
---|---|---|
committer | Dale Rahn <drahn@cvs.openbsd.org> | 2004-01-08 14:59:16 +0000 |
commit | 58b037aa2a117fe4c474549ee14e4c6bfbba585d (patch) | |
tree | f5d8f4fd6ca0aa5131b9bc178009e1cae0a1bae3 /lib/csu/sparc | |
parent | 6e07118b4073b7f92810dfdf7b6a0ea317d3ae5f (diff) |
__init/__fini handling on ELF has not been correct. It is supposed to
be a section which code stubs (branches) can be added to initialize/destructor
This adds MD stubs to allow this to operate as expected. should fix wine
and behave according to ELF specs. ok miod@
Diffstat (limited to 'lib/csu/sparc')
-rw-r--r-- | lib/csu/sparc/Makefile | 4 | ||||
-rw-r--r-- | lib/csu/sparc/md_init.h | 59 |
2 files changed, 61 insertions, 2 deletions
diff --git a/lib/csu/sparc/Makefile b/lib/csu/sparc/Makefile index 4da9d6b939d..541b3114020 100644 --- a/lib/csu/sparc/Makefile +++ b/lib/csu/sparc/Makefile @@ -1,4 +1,4 @@ -# $OpenBSD: Makefile,v 1.7 2003/05/30 19:03:24 drahn Exp $ +# $OpenBSD: Makefile,v 1.8 2004/01/08 14:59:15 drahn Exp $ # from: @(#)Makefile 5.5 (Berkeley) 5/21/91 CFLAGS+= -DLIBC_SCCS @@ -7,7 +7,7 @@ SRCS= crt0.c crtbegin.c crtbeginS.c crtend.c crtendS.c ELFDIR= ${.CURDIR}/../common_elf .PATH: ${ELFDIR} -CFLAGS+= -I${ELFDIR} +CFLAGS+= -I${ELFDIR} -I${.CURDIR} PICFLAG?=-fPIC diff --git a/lib/csu/sparc/md_init.h b/lib/csu/sparc/md_init.h new file mode 100644 index 00000000000..30c0116ede0 --- /dev/null +++ b/lib/csu/sparc/md_init.h @@ -0,0 +1,59 @@ +/* $OpenBSD: md_init.h,v 1.1 2004/01/08 14:59:15 drahn 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. + */ + +#define MD_SECT_CALL_FUNC(section, func) \ + __asm (".section "#section", \"ax\" \n" \ + " call " #func ", 0 \n" \ + " nop \n" \ + " .previous") + +#define MD_SECTION_PROLOGUE(sect, entry_pt) \ + __asm ( \ + ".section "#sect",\"ax\",@progbits \n" \ + " .globl " #entry_pt " \n" \ + " .type " #entry_pt ",@function \n" \ + #entry_pt": \n" \ + " save %sp, -96, %sp \n" \ + " .align 4 \n" \ + " /* fall thru */ \n" \ + " .previous") + + +#define MD_SECTION_EPILOGUE(sect) \ + __asm ( \ + ".section "#sect",\"ax\",@progbits \n" \ + " ret \n" \ + " restore \n" \ + " .previous") |