Filter out basever symbols on Solaris

	* scripts/extract_symvers.pl: Omit symbols bound to base
	versions.
	* scripts/extract_symvers.in: Likewise.
	* config/abi/post/solaris2.9/baseline_symbols.txt: Regenerate.
	* config/abi/post/solaris2.9/sparcv9/baseline_symbols.txt: Likewise.
	* config/abi/post/solaris2.10/baseline_symbols.txt: Likewise.
	* config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Likewise.
	* config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@196489 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 12 insertions, 1 deletions

diff --git a/libstdc++-v3/scripts/extract_symvers.in b/libstdc++-v3/scripts/extract_symvers.in
index eac24979867..a262435de7a 100755
--- a/libstdc++-v3/scripts/extract_symvers.in
+++ b/libstdc++-v3/scripts/extract_symvers.in
@@ -49,9 +49,12 @@ SunOS)
   if readelf --help | grep -- --wide > /dev/null; then
     readelf="$readelf --wide"
   fi
+  # Omit _DYNAMIC etc. for consistency with extract_symvers.pl, only
+  # present on Solaris.
   ${readelf} ${lib} |\
   sed -e 's/ \[<other>: [A-Fa-f0-9]*\] //' -e '/\.dynsym/,/^$/p;d' |\
   egrep -v ' (LOCAL|UND) ' |\
+  egrep -v ' (_DYNAMIC|_GLOBAL_OFFSET_TABLE_|_PROCEDURE_LINKAGE_TABLE_|_edata|_end|_etext)$' |\
   sed -e 's/ <processor specific>: / <processor_specific>:_/g' |\
   sed -e 's/ <OS specific>: / <OS_specific>:_/g' |\
   sed -e 's/ <unknown>: / <unknown>:_/g' |\
diff --git a/libstdc++-v3/scripts/extract_symvers.pl b/libstdc++-v3/scripts/extract_symvers.pl
index 31723fbccc1..d43c53e231f 100644
--- a/libstdc++-v3/scripts/extract_symvers.pl
+++ b/libstdc++-v3/scripts/extract_symvers.pl
@@ -67,7 +67,11 @@ while (<PVS>) {
     if ($version eq $symbol or $version eq $basever) {
 	# Emit versions or symbols bound to base versions as objects.
 	$type{$symbol} = "OBJECT";
-	$version{$symbol} = $symbol;
+	if ($version eq $basever) {
+	    $version{$symbol} = $version;
+	} else {
+	    $version{$symbol} = $symbol;
+	}
 	$size{$symbol} = 0;
     } else {
 	# Everything else without a size field is a function.
@@ -120,6 +124,10 @@ foreach $symbol (keys %type) {
     if ($type{$symbol} eq "FUNC" || $type{$symbol} eq "NOTYPE") {
 	push @lines, "$type{$symbol}:$symbol\@\@$version{$symbol}\n";
     } elsif ($type{$symbol} eq "OBJECT" and $size{$symbol} == 0) {
+	# Omit symbols bound to base version; details can differ depending
+	# on the toolchain used.
+	next if $version{$symbol} eq $basever;
+
 	push @lines, "$type{$symbol}:$size{$symbol}:$version{$symbol}\n";
     } else {
 	push @lines, "$type{$symbol}:$size{$symbol}:$symbol\@\@$version{$symbol}\n";