Retro68/gcc/libstdc++-v3/testsuite/util/testsuite_abi_check.cc
2017-10-07 02:16:47 +02:00

87 lines
2.5 KiB
C++

// -*- C++ -*-
// Copyright (C) 2004-2017 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 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 <cstdlib>
#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);
}
if (!compare_symbols(baseline_file, test_file, verbose))
exit (1);
}
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;
}