# Generate an ELF symbol version map a-la Solaris and GNU ld.
# Contributed by Richard Henderson <rth@cygnus.com>
#
-# This file is part of GNU CC.
+# This file is part of GCC.
#
-# GNU CC is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
+# GCC is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free
+# Software Foundation; either version 2, or (at your option) any later
+# version.
#
-# GNU CC 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 General Public License for more details.
+# GCC 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 General Public
+# License for more details.
#
# You should have received a copy of the GNU General Public License
-# along with GNU CC; see the file COPYING. If not, write to
-# the Free Software Foundation, 59 Temple Place - Suite 330,
-# Boston MA 02111-1307, USA.
+# along with GCC; see the file COPYING. If not, write to the Free
+# Software Foundation, 59 Temple Place - Suite 330, Boston MA
+# 02111-1307, USA.
BEGIN {
state = "nm";
+ sawsymbol = 0;
}
# Remove comment and blank lines.
state == "nm" && NF == 3 {
def[$3] = 1;
+ sawsymbol = 1;
next;
}
}
END {
+ if (!sawsymbol)
+ {
+ print "No symbols seen -- broken or mis-installed nm?" | "cat 1>&2";
+ exit 1;
+ }
for (l in libs)
output(l);
}
if (inherit[lib])
output(inherit[lib]);
- printf("%s {\n", lib);
- printf(" global:\n");
+ empty=1
for (sym in ver)
if ((ver[sym] == lib) && (sym in def))
- printf("\t%s;\n", sym);
-
- if (inherit[lib])
+ {
+ if (empty)
+ {
+ printf("%s {\n", lib);
+ printf(" global:\n");
+ empty = 0;
+ }
+ printf("\t%s;\n", sym);
+ if (dotsyms)
+ printf("\t.%s;\n", sym);
+ }
+
+ if (empty)
+ {
+ for (l in libs)
+ if (inherit[l] == lib)
+ inherit[l] = inherit[lib];
+ }
+ else if (inherit[lib])
printf("} %s;\n", inherit[lib]);
else
printf ("\n local:\n\t*;\n};\n");