83dad10cd4
* Makefile.in (NM_FOR_TARGET): New.
(libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
(libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
* mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
shared library build on that and EXTRA_MULTILIB_PARTS.
* mkmap-flat.awk: New file.
* mkmap-symver.awk: New file.
* libgcc-std.ver: New file.
* config/libgcc-glibc.ver: New file.
* config/ia64/libgcc-ia64.ver: New file.
* config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
(SHLIB_LINK): Add --version-script.
* config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
* config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
* config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
(SHLIB_LINK): Add -M.
From-SVN: r36746
79 lines
1.7 KiB
Awk
79 lines
1.7 KiB
Awk
# Generate a flat list of symbols to export.
|
|
# Contributed by Richard Henderson <rth@cygnus.com>
|
|
#
|
|
# This file is part of GNU CC.
|
|
#
|
|
# 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.
|
|
#
|
|
# 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.
|
|
#
|
|
# 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.
|
|
|
|
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;
|
|
}
|