1*c87b03e5Sespie# Generate a flat list of symbols to export. 2*c87b03e5Sespie# Contributed by Richard Henderson <rth@cygnus.com> 3*c87b03e5Sespie# 4*c87b03e5Sespie# This file is part of GCC. 5*c87b03e5Sespie# 6*c87b03e5Sespie# GCC is free software; you can redistribute it and/or modify it under 7*c87b03e5Sespie# the terms of the GNU General Public License as published by the Free 8*c87b03e5Sespie# Software Foundation; either version 2, or (at your option) any later 9*c87b03e5Sespie# version. 10*c87b03e5Sespie# 11*c87b03e5Sespie# GCC is distributed in the hope that it will be useful, but WITHOUT 12*c87b03e5Sespie# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 13*c87b03e5Sespie# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 14*c87b03e5Sespie# License for more details. 15*c87b03e5Sespie# 16*c87b03e5Sespie# You should have received a copy of the GNU General Public License 17*c87b03e5Sespie# along with GCC; see the file COPYING. If not, write to the Free 18*c87b03e5Sespie# Software Foundation, 59 Temple Place - Suite 330, Boston MA 19*c87b03e5Sespie# 02111-1307, USA. 20*c87b03e5Sespie 21*c87b03e5SespieBEGIN { 22*c87b03e5Sespie state = "nm"; 23*c87b03e5Sespie} 24*c87b03e5Sespie 25*c87b03e5Sespie# Remove comment and blank lines. 26*c87b03e5Sespie/^ *#/ || /^ *$/ { 27*c87b03e5Sespie next; 28*c87b03e5Sespie} 29*c87b03e5Sespie 30*c87b03e5Sespie# We begin with nm input. Collect the set of symbols that are present 31*c87b03e5Sespie# so that we can elide undefined symbols. 32*c87b03e5Sespie 33*c87b03e5Sespiestate == "nm" && /^%%/ { 34*c87b03e5Sespie state = "ver"; 35*c87b03e5Sespie next; 36*c87b03e5Sespie} 37*c87b03e5Sespie 38*c87b03e5Sespiestate == "nm" && ($1 == "U" || $2 == "U") { 39*c87b03e5Sespie next; 40*c87b03e5Sespie} 41*c87b03e5Sespie 42*c87b03e5Sespiestate == "nm" && NF == 3 { 43*c87b03e5Sespie def[$3] = 1; 44*c87b03e5Sespie next; 45*c87b03e5Sespie} 46*c87b03e5Sespie 47*c87b03e5Sespiestate == "nm" { 48*c87b03e5Sespie next; 49*c87b03e5Sespie} 50*c87b03e5Sespie 51*c87b03e5Sespie# Now we process a simplified variant of the Solaris symbol version 52*c87b03e5Sespie# script. We have one symbol per line, no semicolons, simple markers 53*c87b03e5Sespie# for beginning and ending each section, and %inherit markers for 54*c87b03e5Sespie# describing version inheritence. A symbol may appear in more than 55*c87b03e5Sespie# one symbol version, and the last seen takes effect. 56*c87b03e5Sespie 57*c87b03e5SespieNF == 3 && $1 == "%inherit" { 58*c87b03e5Sespie next; 59*c87b03e5Sespie} 60*c87b03e5Sespie 61*c87b03e5SespieNF == 2 && $2 == "{" { 62*c87b03e5Sespie next; 63*c87b03e5Sespie} 64*c87b03e5Sespie 65*c87b03e5Sespie$1 == "}" { 66*c87b03e5Sespie next; 67*c87b03e5Sespie} 68*c87b03e5Sespie 69*c87b03e5Sespie{ 70*c87b03e5Sespie export[$1] = 1; 71*c87b03e5Sespie next; 72*c87b03e5Sespie} 73*c87b03e5Sespie 74*c87b03e5SespieEND { 75*c87b03e5Sespie for (sym in export) 76*c87b03e5Sespie if (def[sym]) 77*c87b03e5Sespie print sym; 78*c87b03e5Sespie} 79