gcc/libstdc++-v3/testsuite/abi_check.cc

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// -*- C++ -*-
// Copyright (C) 2004 Free Software Foundation, Inc.
// This library 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.
// This library 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 this library; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
// MA 02111-1307, USA.
// As a special exception, you may use this file as part of a free
// software library without restriction. Specifically, if other files
// instantiate templates or use macros or inline functions from this
// file, or you compile this file and link it with other files to
// produce an executable, this file does not by itself cause the
// resulting executable to be covered by the GNU General Public
// License. This exception does not however invalidate any other
// reasons why the executable file might be covered by the GNU General
// Public License.
// Benjamin Kosnik <bkoz@redhat.com>
// Blame subsequent hacks on Loren J. Rittle <ljrittle@acm.org>, Phil
// Edwards <pme@gcc.gnu.org>, and a cast of dozens at libstdc++@gcc.gnu.org.
#include "testsuite_abi.h"
#include <iostream>
#include <unistd.h> // for access(2)
int
main(int argc, char** argv)
{
using namespace std;
// Get arguments. (Heading towards getopt_long, I can feel it.)
string argv1 = argc > 1 ? argv[1] : "";
if (argv1 == "--help" || argc < 4)
{
cerr << "usage: abi_check --check current baseline\n"
" --check-verbose current baseline\n"
" --examine symbol current\n"
" --help\n"
"\n"
"All arguments are string literals.\n"
"CURRENT is a file generated byextract_symvers.\n"
"BASELINE is a file from config/abi.\n"
"SYMBOL is a mangled name.\n"
<< endl;
exit(1);
}
if (argv1.find("--check") != string::npos)
{
bool verbose = false;
if (argv1 == "--check-verbose")
verbose = true;
// Quick sanity/setup check for arguments.
const char* test_file = argv[2];
const char* baseline_file = argv[3];
if (access(test_file, R_OK) != 0)
{
cerr << "Cannot read symbols file " << test_file
<< ", did you forget to build first?" << endl;
exit(1);
}
if (access(baseline_file, R_OK) != 0)
{
cerr << "Cannot read baseline file " << baseline_file << endl;
exit(1);
}
compare_symbols(baseline_file, test_file, verbose);
}
if (argv1 == "--examine")
{
const char* file = argv[3];
if (access(file, R_OK) != 0)
{
cerr << "Cannot read symbol file " << file << endl;
exit(1);
}
examine_symbol(argv[2], file);
}
return 0;
}