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80b753e85d
* tools/bilint.cc: New file. * tools/Makefile.am: Build and install the new file above. Signed-off-by: Dodji Seketeli <dodji@redhat.com>
137 lines
3.2 KiB
C++
137 lines
3.2 KiB
C++
// -*- Mode: C++ -*-
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//
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// Copyright (C) 2013 Red Hat, Inc.
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//
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// This file is part of the GNU Application Binary Interface Generic
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// Analysis and Instrumentation Library (libabigail). This library is
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// free software; you can redistribute it and/or modify it under the
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// terms of the GNU Lesser General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option) any
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// later version.
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Lesser Public License for more details.
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// You should have received a copy of the GNU Lesser General Public
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// License along with this program; see the file COPYING-LGPLV3. If
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// not, see <http://www.gnu.org/licenses/>.
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//
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// Author: Dodji Seketeli
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/// @file
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///
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/// This is a program aimed at checking that a binary instrumentation
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/// (bi) file is well formed and valid enough. It acts by loading an
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/// input bi file and saving it back to a temporary file. It then
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/// runs a diff on the two files and expects the result of the diff to
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/// be empty.
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#include <cstring>
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#include <cstdio>
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#include <cstdlib>
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#include <string>
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#include <iostream>
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#include <fstream>
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#include "abg-tools-utils.h"
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#include "abg-ir.h"
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using std::string;
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using std::cerr;
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using std::ostream;
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using std::ofstream;
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using abigail::tools::check_file;
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struct options
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{
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string file_path;
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};//end struct options;
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void
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display_usage(const string prog_name, ostream& out)
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{
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out << "usage: " << prog_name << "[options] [<bi-file1>\n"
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<< " where options can be:\n"
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<< " --help display this message\n";
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}
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bool
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parse_command_line(int argc, char* argv[], options& opts)
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{
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if (argc < 2)
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return false;
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for (int i = 1; i < argc; ++i)
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{
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if (argv[i][0] != '-')
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{
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if (opts.file_path.empty())
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opts.file_path = argv[i];
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else
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return false;
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}
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else if (!strcmp(argv[i], "--help"))
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return false;
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else
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return false;
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}
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if (opts.file_path.empty())
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return false;
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return true;
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}
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/// Reads a bi (binary instrumentation) file, saves it back to a
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/// temporary file and run a diff on the two versions.
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int
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main(int argc, char* argv[])
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{
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options opts;
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if (!parse_command_line(argc, argv, opts))
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{
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display_usage(argv[0], cerr);
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return true;
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}
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if (!check_file(opts.file_path, cerr))
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return true;
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abigail::translation_unit tu(opts.file_path);
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if (!tu.read())
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{
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cerr << "failed to read " << opts.file_path << "\n";
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return true;
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}
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char tmpn[L_tmpnam];
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tmpnam(tmpn);
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string ofile_name = tmpn;
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ofstream of(ofile_name.c_str(), std::ios_base::trunc);
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if (!of.is_open())
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{
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cerr << "open temporary output file " << ofile_name << "\n";
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return true;
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}
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bool r = tu.write(of);
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bool is_ok = r;
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of.close();
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if (!is_ok)
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cerr << "failed to write the translation unit "
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<< opts.file_path << " back\n";
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if (is_ok)
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{
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string cmd = "diff -u " + opts.file_path + " " + ofile_name;
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if (system(cmd.c_str()))
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is_ok = false;
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}
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remove(ofile_name.c_str());
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return !is_ok;
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}
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