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/hppa | |
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/hppa')
-rw-r--r-- | lib/csu/hppa/Makefile | 6 | ||||
-rw-r--r-- | lib/csu/hppa/md_init.h | 70 |
2 files changed, 73 insertions, 3 deletions
diff --git a/lib/csu/hppa/Makefile b/lib/csu/hppa/Makefile index 052e293925c..10626bf1de7 100644 --- a/lib/csu/hppa/Makefile +++ b/lib/csu/hppa/Makefile @@ -1,4 +1,4 @@ -# $OpenBSD: Makefile,v 1.3 2003/05/30 19:03:24 drahn Exp $ +# $OpenBSD: Makefile,v 1.4 2004/01/08 14:59:15 drahn Exp $ # from: @(#)Makefile 5.5 (Berkeley) 5/21/91 CFLAGS+= -DLIBC_SCCS @@ -7,9 +7,9 @@ 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 +PICFLAG?=-fPIC -DPIC all: ${OBJS} diff --git a/lib/csu/hppa/md_init.h b/lib/csu/hppa/md_init.h new file mode 100644 index 00000000000..6b405c59301 --- /dev/null +++ b/lib/csu/hppa/md_init.h @@ -0,0 +1,70 @@ +/* $OpenBSD: md_init.h,v 1.1 2004/01/08 14:59:15 drahn Exp $ */ + +/* + * Copyright (c) 2003 Dale Rahn. 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. + * + * 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. + */ + + +#ifdef PIC +#define MD_SECT_CALL_FUNC(section, func) \ + __asm (".section "#section",\"ax\",@progbits \n" \ + " stw %r19,-32(%r30) \n" \ + " stw %r4,-64(%r30) \n" \ + " bl " #func ",%r2 \n" \ + " copy %r19,%r4 \n" \ + " copy %r4,%r19 \n" \ + " .previous") +#else +#define MD_SECT_CALL_FUNC(section, func) \ + __asm (".section .rodata \n" \ + " .align 4 \n" \ + "L$" #func " \n" \ + " .word "#func " \n" \ + " .previous \n" \ + " .section "#section",\"ax\",@progbits \n" \ + " ldil LR'L$" #func ",%r1 \n" \ + " ldw RR'L$" #func "(%r1), %r31 \n" \ + " ble 0(%sr4,%r31) \n" \ + " copy %r31,%r2 \n" \ + " .previous") +#endif + +#define MD_SECTION_PROLOGUE(sect, entry_pt) \ + __asm ( \ + " .section "#sect",\"ax\",@progbits \n" \ + " .EXPORT "#entry_pt",ENTRY,PRIV_LEV=3,ARGW0=NO,ARGW1=NO,ARGW2=NO,ARGW3=NO,RTNVAL=NO \n" \ + " .align 4 \n" \ + #entry_pt" \n" \ + " stw %r2, -20(%r30) \n" \ + " ldo 64(%r30),%r30 \n" \ + " /* fall thru */ \n" \ + " .previous") + + +#define MD_SECTION_EPILOGUE(sect) \ + __asm ( \ + " .section "#sect",\"ax\",@progbits \n" \ + " ldw -84(%r30),%r2 \n" \ + " bv %r0(%r2) \n" \ + " ldo -64(%r30),%r30 \n" \ + " .previous") |