FreeChainXenon/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

re PR libstdc++/45863 (FAIL: libstdc++-abi/abi_check)

Browse source 
PR libstdc++/45863
	* scripts/extract_symvers: Restore revision 164879.
	Only use pvs on SunOS.

From-SVN: r165055
This commit is contained in:
Rainer Orth 2010-10-06 17:01:11 +00:00 • committed by Rainer Orth
parent d213e92e53
commit db0d4b71b5
2 changed files with 68 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
libstdc++-v3/ChangeLog
View file

@ -1,3 +1,9 @@
2010-10-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
PR libstdc++/45863
* scripts/extract_symvers: Restore revision 164879.
Only use pvs on SunOS.
2010-10-05 David Krauss <potswa@mac.com>
PR libstdc++/45841

81
libstdc++-v3/scripts/extract_symvers
View file

@ -1,6 +1,6 @@
#!/bin/sh
# Copyright (C) 2002, 2003, 2009 Free Software Foundation, Inc.
# Copyright (C) 2002, 2003, 2009, 2010 Free Software Foundation, Inc.
#
# This file is part of the GNU ISO C++ Library. This library is free
# software; you can redistribute it and/or modify it under the
@ -26,14 +26,6 @@ fi
lib=$1
output=$2
# GNU binutils, somewhere after version 2.11.2, requires -W/--wide to avoid
# default line truncation. -W is not supported and truncation did not occur
# by default before that point.
readelf="readelf --symbols"
if readelf --help | grep -- --wide > /dev/null; then
readelf="$readelf --wide"
fi
# This avoids weird sorting problems later.
LC_ALL=C
export LC_ALL
@ -42,16 +34,67 @@ export LANG
tmp=extract.$$
${readelf} ${lib} |\
sed -e 's/ \[<other>: [A-Fa-f0-9]*\] //' -e '/\.dynsym/,/^$/p;d' |\
egrep -v ' (LOCAL|UND) ' |\
awk '{ if ($4 == "FUNC" || $4 == "NOTYPE")
printf "%s:%s\n", $4, $8;
else if ($4 == "OBJECT" || $4 == "TLS")
printf "%s:%s:%s\n", $4, $3, $8;
}' | sort | uniq > $tmp 2>&1
# else printf "Huh? What is %s?\n", $8;
case `uname -s` in
SunOS)
# Sun ld doesn't record symbol versions in .dynsym entries and they
# cannot easily be extracted from readelf --versions output, so use pvs
# instead. Linux may have a completely different pvs from LVM2, so only
# do this on SunOS.
# Need to use nawk on Solaris 2 since Solaris 8/9 awk (oawk) cannot handle
# sub.
pvs -dsvo ${lib} | \
nawk '# Remove colon separator from version field, trailing semicolon.
{
sub (/:$/, "", $3);
sub (/;$/, "");
}
# Record base version. The [BASE] field was only added in Solaris 11,
# so simply use the first record instead.
NR == 1 {
basever = $3;
next;
}
# Ignore version dependencies.
$4 ~ /\{.*\}/ {
next;
}
NF == 4 {
if ($3 == $4 || $3 == basever)
# Emit versions or symbols bound to base versions as objects.
printf "OBJECT:0:%s\n", $4;
else
# Everything else without a size field is a function.
printf "FUNC:%s@@%s\n", $4, $3;
next;
}
# Emit objects.
NF == 5 {
# Strip parens from object size.
sub (/^\(/, "", $5);
sub (/\)$/, "", $5);
printf "OBJECT:%s:%s@@%s\n", $5, $4, $3;
next;
}' | sort | uniq > $tmp 2>&1
;;
*)
# GNU binutils, somewhere after version 2.11.2, requires -W/--wide to
# avoid default line truncation. -W is not supported and truncation did
# not occur by default before that point.
readelf="readelf --symbols"
if readelf --help | grep -- --wide > /dev/null; then
readelf="$readelf --wide"
fi
${readelf} ${lib} |\
sed -e 's/ \[<other>: [A-Fa-f0-9]*\] //' -e '/\.dynsym/,/^$/p;d' |\
egrep -v ' (LOCAL|UND) ' |\
awk '{ if ($4 == "FUNC" || $4 == "NOTYPE")
printf "%s:%s\n", $4, $8;
else if ($4 == "OBJECT" || $4 == "TLS")
printf "%s:%s:%s\n", $4, $3, $8;
}' | sort | uniq > $tmp 2>&1
# else printf "Huh? What is %s?\n", $8;
;;
esac
# I think we'll be doing some more with this file, but for now, dump.
mv $tmp $output