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authorDale Rahn <drahn@cvs.openbsd.org>2004-01-08 14:59:16 +0000
committerDale Rahn <drahn@cvs.openbsd.org>2004-01-08 14:59:16 +0000
commit58b037aa2a117fe4c474549ee14e4c6bfbba585d (patch)
treef5d8f4fd6ca0aa5131b9bc178009e1cae0a1bae3 /lib/csu/hppa
parent6e07118b4073b7f92810dfdf7b6a0ea317d3ae5f (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/Makefile6
-rw-r--r--lib/csu/hppa/md_init.h70
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")