// -*- Mode: C++ -*- // Copyright (C) 2013-2015 Red Hat, Inc. // // This file is part of the GNU Application Binary Interface Generic // Analysis and Instrumentation Library (libabigail). This library is // free software; you can redistribute it and/or modify it under the // terms of the GNU Lesser 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 Lesser Public License for more details. // You should have received a copy of the GNU Lesser General Public // License along with this program; see the file COPYING-LGPLV3. If // not, see <http://www.gnu.org/licenses/>. // // Author: Dodji Seketeli // #include <cstring> #include <iostream> #include "abg-comparison.h" #include "abg-dwarf-reader.h" using std::cout; using std::cerr; using std::ostream; using std::string; using abigail::comparison::diff; using abigail::comparison::diff_sptr; using abigail::comparison::corpus_diff_sptr; using abigail::comparison::compute_diff; using abigail::comparison::print_diff_tree; using abigail::comparison::apply_filters; using namespace abigail; using namespace abigail::dwarf_reader; struct options { bool display_help; bool categorize_redundancy; bool apply_filters; string elf1; string elf2; options() : display_help(false), categorize_redundancy(false), apply_filters(false) {} }; static void display_help(const string& prog_name, ostream& out) { out << prog_name << " [options] <elf lib1> <elf lib2>\n" << " where options can be:\n" << " --categorize-redundancy categorize diff node redundancy\n" << " --apply-filters apply the generic categorization filters\n" << " --help display this message\n"; } static bool parse_command_line(int argc, char* argv[], options& opts) { if (argc < 2) return false; for (int i = 1; i < argc; ++i) { if (argv[i][0] != '-') { if (opts.elf1.empty()) opts.elf1 = argv[i]; else if (opts.elf2.empty()) opts.elf2 = argv[i]; else return false; } else if (!strcmp(argv[i], "--help")) opts.display_help = true; else if (!strcmp(argv[i], "--categorize-redundancy")) opts.categorize_redundancy = true; else if (!strcmp(argv[i], "--apply-filters")) opts.apply_filters = true; else return false; } return true; } int main(int argc, char* argv[]) { options opts; if (!parse_command_line(argc, argv, opts)) { cerr << "unrecognized option\n" "try the --help option for more information\n"; return false; } if (opts.display_help) { display_help(argv[0], cout); return 0; } if (!opts.elf1.empty() && !opts.elf2.empty()) { dwarf_reader::status c1_status, c2_status; corpus_sptr c1, c2; c1 = dwarf_reader::read_corpus_from_elf(opts.elf1, 0, /*load_all_types=*/false, c1_status); if (c1_status != dwarf_reader::STATUS_OK) { cerr << "Failed to read elf file " << opts.elf1 << "\n"; return 1; } c2 = dwarf_reader::read_corpus_from_elf(opts.elf2, 0, /*load_all_types=*/false, c2_status); if (c2_status != dwarf_reader::STATUS_OK) { cerr << "Failed to read elf file " << opts.elf2 << "\n"; return 1; } corpus_diff_sptr diff = compute_diff(c1, c2); if (!diff) { cerr << "Could not compute ABI diff between elf files " << opts.elf1 << " and " << opts.elf2; return 1; } if (opts.categorize_redundancy) categorize_redundancy(diff); if (opts.apply_filters) apply_filters(diff); print_diff_tree(diff, cout); return 0; } return 1; } void print_diff_tree(abigail::comparison::corpus_diff* diff_tree) { print_diff_tree(diff_tree, std::cout); } void print_diff_tree(abigail::comparison::corpus_diff_sptr diff_tree) { print_diff_tree(diff_tree, std::cout); }