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author | obrien <obrien@FreeBSD.org> | 2002-02-01 18:16:02 +0000 |
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committer | obrien <obrien@FreeBSD.org> | 2002-02-01 18:16:02 +0000 |
commit | c9ab9ae440a8066b2c2b85b157b1fdadcf09916a (patch) | |
tree | 086d9d6c8fbd4fc8fe4495059332f66bc0f8d12b /contrib/gcc/mkmap-flat.awk | |
parent | 2ecfd8bd04b63f335c1ec6295740a4bfd97a4fa6 (diff) | |
download | FreeBSD-src-c9ab9ae440a8066b2c2b85b157b1fdadcf09916a.zip FreeBSD-src-c9ab9ae440a8066b2c2b85b157b1fdadcf09916a.tar.gz |
Enlist the FreeBSD-CURRENT users as testers of what is to become Gcc 3.1.0.
These bits are taken from the FSF anoncvs repo on 1-Feb-2002 08:20 PST.
Diffstat (limited to 'contrib/gcc/mkmap-flat.awk')
-rw-r--r-- | contrib/gcc/mkmap-flat.awk | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/contrib/gcc/mkmap-flat.awk b/contrib/gcc/mkmap-flat.awk new file mode 100644 index 0000000..4ff5bf5 --- /dev/null +++ b/contrib/gcc/mkmap-flat.awk @@ -0,0 +1,78 @@ +# Generate a flat list of symbols to export. +# 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 +# version. +# +# 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 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"; +} + +# Remove comment and blank lines. +/^ *#/ || /^ *$/ { + next; +} + +# We begin with nm input. Collect the set of symbols that are present +# so that we can elide undefined symbols. + +state == "nm" && /^%%/ { + state = "ver"; + next; +} + +state == "nm" && ($1 == "U" || $2 == "U") { + next; +} + +state == "nm" && NF == 3 { + def[$3] = 1; + next; +} + +state == "nm" { + 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 +# one symbol version, and the last seen takes effect. + +NF == 3 && $1 == "%inherit" { + next; +} + +NF == 2 && $2 == "{" { + next; +} + +$1 == "}" { + next; +} + +{ + export[$1] = 1; + next; +} + +END { + for (sym in export) + if (def[sym]) + print sym; +} |