mkmap-flat.awk revision 90075
12490Sjkh# Generate a flat list of symbols to export. 251862Sdcs# Contributed by Richard Henderson <rth@cygnus.com> 32490Sjkh# 418464Sbde# This file is part of GCC. 52490Sjkh# 62490Sjkh# GCC is free software; you can redistribute it and/or modify it under 72490Sjkh# the terms of the GNU General Public License as published by the Free 852571Sjkh# Software Foundation; either version 2, or (at your option) any later 952571Sjkh# version. 1052571Sjkh# 1152571Sjkh# GCC is distributed in the hope that it will be useful, but WITHOUT 1252571Sjkh# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 1340478Sbde# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 1440478Sbde# License for more details. 152490Sjkh# 1640478Sbde# You should have received a copy of the GNU General Public License 1718464Sbde# along with GCC; see the file COPYING. If not, write to the Free 182490Sjkh# Software Foundation, 59 Temple Place - Suite 330, Boston MA 192490Sjkh# 02111-1307, USA. 202490Sjkh 2140478SbdeBEGIN { 222490Sjkh state = "nm"; 232490Sjkh} 242490Sjkh 252490Sjkh# Remove comment and blank lines. 2640478Sbde/^ *#/ || /^ *$/ { 2715930Sache next; 2840478Sbde} 2922449Swosch 3040478Sbde# We begin with nm input. Collect the set of symbols that are present 3122449Swosch# so that we can elide undefined symbols. 3222449Swosch 332490Sjkhstate == "nm" && /^%%/ { 3440478Sbde state = "ver"; 3540478Sbde next; 3652888Sjoerg} 3752586Sdcs 3840478Sbdestate == "nm" && ($1 == "U" || $2 == "U") { 392490Sjkh next; 4039479Sphk} 4151909Sdcs 4252586Sdcsstate == "nm" && NF == 3 { 432490Sjkh def[$3] = 1; 4439479Sphk next; 4555059Smarcel} 462490Sjkh 472490Sjkhstate == "nm" { 48 next; 49} 50 51# Now we process a simplified variant of the Solaris symbol version 52# script. We have one symbol per line, no semicolons, simple markers 53# for beginning and ending each section, and %inherit markers for 54# describing version inheritence. A symbol may appear in more than 55# one symbol version, and the last seen takes effect. 56 57NF == 3 && $1 == "%inherit" { 58 next; 59} 60 61NF == 2 && $2 == "{" { 62 next; 63} 64 65$1 == "}" { 66 next; 67} 68 69{ 70 export[$1] = 1; 71 next; 72} 73 74END { 75 for (sym in export) 76 if (def[sym]) 77 print sym; 78} 79