# Generate an ELF symbol version map a-la Solaris and GNU ld.
+# Copyright (C) 2007, 2008 Free Software Foundation, Inc.
# Contributed by Richard Henderson <rth@cygnus.com>
#
# This file is part of GCC.
#
# 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
+# Software Foundation; either version 3, or (at your option) any later
# version.
#
# GCC is distributed in the hope that it will be useful, but WITHOUT
# License for more details.
#
# You should have received a copy of the GNU General Public License
-# 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.
+# along with GCC; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
BEGIN {
state = "nm";
}
state == "nm" && NF == 3 {
- def[$3] = 1;
+ split ($3, s, "@")
+ def[s[1]] = 1;
sawsymbol = 1;
next;
}
# Now we process a simplified variant of the Solaris symbol version
# script. We have one symbol per line, no semicolons, simple markers
# for beginning and ending each section, and %inherit markers for
-# describing version inheritence. A symbol may appear in more than
+# describing version inheritance. A symbol may appear in more than
# one symbol version, and the last seen takes effect.
# The magic version name '%exclude' causes all the symbols given that
# version to be dropped from the output (unless a later version overrides).
{
sym = prefix $1;
+ symbols[sym] = 1
if (thislib != "%exclude")
- ver[sym] = thislib;
- else
- delete ver[sym];
+ ver[sym, thislib] = 1;
+ else {
+ for (l in libs)
+ ver[sym, l] = 0;
+ }
next;
}
output(inherit[lib]);
empty=1
- for (sym in ver)
- if ((ver[sym] == lib) && (sym in def))
+ for (sym in symbols)
+ if ((ver[sym, lib] != 0) && (sym in def))
{
if (empty)
{