Bug#178645: sparc gcc-compat
On Thu, Feb 06, 2003 at 12:56:18AM -0500, Clint Adams wrote:
> This is from a quick check of a sample of sparc binaries, and is
> probably not complete.
O.k. here's a patch with all the symbols I found. Again someone with
knowledge on symbol versioning and visibility should comment on this
since I understand almost nothing about these issues.
Regards,
-- Guido
#! /bin/sh -e
# DP: Description: libgcc-compat symbols for sparc32
# DP: Author: Guido Guenther <agx@sigxcpu.org>
# DP: Upstream status: Not submitted
# DP: Date: 2002-02-07
if [ $# -ne 2 ]; then
echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
exit 1
fi
case "$1" in
-patch) patch -d "$2" -f --no-backup-if-mismatch -p0 < $0;;
-unpatch) patch -d "$2" -f --no-backup-if-mismatch -R -p0 < $0;;
*)
echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
exit 1
esac
exit 0
--- /dev/null Sat Mar 16 18:32:44 2002
+++ sysdeps/sparc/sparc32/libgcc-compat.c Fri Feb 7 00:29:23 2003
@@ -0,0 +1,112 @@
+/* pre-.hidden libgcc compatibility
+ Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Guido Guenther <agx@sigxcpu.org>
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+
+#include <stdint.h>
+#include <shlib-compat.h>
+
+#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_2_6)
+
+extern int64_t __ashldi3 (int64_t, int32_t);
+int64_t __ashldi3_internal (int64_t u, int32_t b)
+{
+ return __ashldi3 (u, b);
+}
+symbol_version (__ashldi3_internal, __ashldi3, GLIBC_2.0);
+
+
+extern int64_t __ashrdi3 (int64_t, int32_t);
+int64_t __ashrdi3_internal (int64_t u, int32_t b)
+{
+ return __ashrdi3 (u, b);
+}
+symbol_version (__ashrdi3_internal, __ashrdi3, GLIBC_2.0);
+
+
+extern int64_t __lshrdi3 (int64_t, int32_t);
+int64_t __lshrdi3_internal (int64_t u, int32_t b)
+{
+ return __lshrdi3 (u, b);
+}
+symbol_version (__lshrdi3_internal, __lshrdi3, GLIBC_2.0);
+
+extern int32_t __cmpdi2 (int64_t, int64_t);
+int32_t __cmpdi2_internal (int64_t u, int64_t v)
+{
+ return __cmpdi2 (u, v);
+}
+symbol_version (__cmpdi2_internal, __cmpdi2, GLIBC_2.0);
+
+
+extern int32_t __ucmpdi2 (int64_t, int64_t);
+int32_t __ucmpdi2_internal (int64_t u, int64_t v)
+{
+ return __ucmpdi2 (u, v);
+}
+symbol_version (__ucmpdi2_internal, __ucmpdi2, GLIBC_2.0);
+
+
+extern int64_t __fixdfdi (double);
+int64_t __fixdfdi_internal (double d)
+{
+ return __fixdfdi (d);
+}
+symbol_version (__fixdfdi_internal, __fixdfdi, GLIBC_2.0);
+
+
+extern int64_t __fixsfdi (float);
+int64_t __fixsfdi_internal (float d)
+{
+ return __fixsfdi (d);
+}
+symbol_version (__fixsfdi_internal, __fixsfdi, GLIBC_2.0);
+
+
+extern int64_t __fixunsdfdi (double);
+int64_t __fixunsdfdi_internal (double d)
+{
+ return __fixunsdfdi (d);
+}
+symbol_version (__fixunsdfdi_internal, __fixunsdfdi, GLIBC_2.0);
+
+extern int64_t __fixunssfdi (float);
+int64_t __fixunssfdi_internal (float d)
+{
+ return __fixunssfdi (d);
+}
+
+symbol_version (__fixsfdi_internal, __fixsfdi, GLIBC_2.0);
+
+extern double __floatdidf (int64_t);
+double __floatdidf_internal (int64_t u)
+{
+ return __floatdidf (u);
+}
+symbol_version (__floatdidf_internal, __floatdidf, GLIBC_2.0);
+
+
+extern float floatdisf (int64_t);
+float __floatdisf_internal (int64_t u)
+{
+ return __floatdisf (u);
+}
+symbol_version (__floatdisf_internal, __floatdisf, GLIBC_2.0);
+
+#endif
--- /dev/null Sat Mar 16 18:32:44 2002
+++ sysdeps/sparc/sparc32/divdi3.c Fri Feb 7 00:08:00 2003
@@ -0,0 +1,51 @@
+/* 64-bit multiplication and division libgcc routines for 32-bit sparc
+ Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Guido Guenther <agx@sigxcpu.org>
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#define _DIVDI3_C
+#include <sysdeps/wordsize-32/divdi3.c>
+
+INTDEF (__udivdi3);
+INTDEF (__moddi3);
+INTDEF (__umoddi3);
+
+#ifdef HAVE_DOT_HIDDEN
+asm (".hidden __divdi3");
+asm (".hidden __udivdi3");
+asm (".hidden __moddi3");
+asm (".hidden __umoddi3");
+#endif
+
+#include <shlib-compat.h>
+
+#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_2_6)
+
+symbol_version (INTUSE (__divdi3), __divdi3, GLIBC_2.0);
+symbol_version (INTUSE (__udivdi3), __udivdi3, GLIBC_2.0);
+symbol_version (INTUSE (__moddi3), __moddi3, GLIBC_2.0);
+symbol_version (INTUSE (__umoddi3), __umoddi3, GLIBC_2.0);
+
+extern DWtype __muldi3 (DWtype, DWtype);
+DWtype __muldi3 (DWtype u, DWtype v)
+{
+ return __muldi3 (u, v);
+}
+symbol_version (__muldi3_internal, __muldi3, GLIBC_2.0);
+
+#endif
Index: sysdeps/sparc/sparc32/Makefile
===================================================================
RCS file: /cvs/glibc/libc/sysdeps/sparc/sparc32/Makefile,v
retrieving revision 1.5
diff -u -r1.5 Makefile
--- sysdeps/sparc/sparc32/Makefile 6 Jul 2001 04:56:04 -0000 1.5
+++ sysdeps/sparc/sparc32/Makefile 6 Feb 2003 23:32:15 -0000
@@ -20,6 +20,17 @@
sysdep_routines = dotmul umul $(divrem) alloca
endif # gnulib
+ifeq ($(subdir),csu)
+ifeq (yes,$(build-shared))
+# Compatibility
+ifeq (yes,$(have-protected))
+CPPFLAGS-libgcc-compat.c = -DHAVE_DOT_HIDDEN
+endif
+sysdep_routines += libgcc-compat
+shared-only-routines += libgcc-compat
+endif
+endif
+
# We distribute these files, even though they are generated,
# so as to avoid the need for a functioning m4 to build the library.
divrem := sdiv udiv rem urem
Index: sysdeps/sparc/sparc32/Dist
===================================================================
RCS file: /cvs/glibc/libc/sysdeps/sparc/sparc32/Dist,v
retrieving revision 1.4
diff -u -u -r1.4 Dist
--- sysdeps/sparc/sparc32/Dist 9 Oct 2000 00:39:58 -0000 1.4
+++ sysdeps/sparc/sparc32/Dist 6 Feb 2003 23:51:09 -0000
@@ -7,3 +7,5 @@
urem.S
alloca.S
ieee754.h
+divdi3.c
+libgcc-compat.c
--- sysdeps/sparc/sparc32/Versions.orig 2003-02-07 07:46:20.000000000 -0500
+++ sysdeps/sparc/sparc32/Versions 2003-02-07 07:46:58.000000000 -0500
@@ -1,5 +1,9 @@
libc {
GLIBC_2.0 {
.div; .mul; .rem; .udiv; .umul; .urem;
+ __divdi3; __moddi3; __udivdi3; __umoddi3; __muldi3;
+ __ashldi3; __ashrdi3; __lshrdi3; __cmpdi2; __ucmpdi2;
+ __fixdfdi; __fixsfdi; __fixunsdfdi; __fixunssfdi;
+ __floatdidf; __floatdisf;
}
}
Reply to: