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Revert the pvs change.

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2010-10-02  H.J. Lu  <hongjiu.lu@intel.com>

	PR libstdc++/45863
	* scripts/extract_symvers: Revert the pvs change.

From-SVN: r164913
This commit is contained in:
H.J. Lu 2010-10-03 00:31:06 +00:00 committed by H.J. Lu
parent f140076904
commit 128dbdd219
2 changed files with 14 additions and 55 deletions
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5
libstdc++-v3/ChangeLog
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@ -1,3 +1,8 @@
2010-10-02 H.J. Lu <hongjiu.lu@intel.com>
PR libstdc++/45863
* scripts/extract_symvers: Revert the pvs change.
2010-10-01 Benjamin Kosnik <bkoz@redhat.com> 2010-10-01 Benjamin Kosnik <bkoz@redhat.com>
* scripts/extract_symvers: Add support for tracking TLS symbols. * scripts/extract_symvers: Add support for tracking TLS symbols.

64
libstdc++-v3/scripts/extract_symvers
View File

@ -26,14 +26,6 @@ fi
lib=$1 lib=$1
output=$2 output=$2
# Sun ld doesn't record symbol versions in .dynsym entries and they cannot
# easily be extracted from readelf --versions output, so use pvs instead.
if type pvs 2>&1 | grep 'not found' > /dev/null; then
:
else
pvs="pvs -dsvo"
fi
# GNU binutils, somewhere after version 2.11.2, requires -W/--wide to avoid # 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 # default line truncation. -W is not supported and truncation did not occur
# by default before that point. # by default before that point.
@ -50,53 +42,15 @@ export LANG
tmp=extract.$$ tmp=extract.$$
# Prefer pvs if found. Need to use nawk on Solaris 2 since Solaris 8/9 awk ${readelf} ${lib} |\
# (oawk) cannot handle sub. sed -e 's/ \[<other>: [A-Fa-f0-9]*\] //' -e '/\.dynsym/,/^$/p;d' |\
if [ -n ${pvs} ]; then egrep -v ' (LOCAL|UND) ' |\
${pvs} ${lib} | \ awk '{ if ($4 == "FUNC" || $4 == "NOTYPE")
nawk '# Remove colon separator from version field, trailing semicolon. printf "%s:%s\n", $4, $8;
{ else if ($4 == "OBJECT" || $4 == "TLS")
sub (/:$/, "", $3); printf "%s:%s:%s\n", $4, $3, $8;
sub (/;$/, ""); }' | sort | uniq > $tmp 2>&1
} # else printf "Huh? What is %s?\n", $8;
# 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
else
${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;
fi
# I think we'll be doing some more with this file, but for now, dump. # I think we'll be doing some more with this file, but for now, dump.