1// -*- C++ -*-
2
3// Copyright (C) 2004 Free Software Foundation, Inc.
4
5// This library is free software; you can redistribute it and/or
6// modify it under the terms of the GNU General Public License as
7// published by the Free Software Foundation; either version 2, or (at
8// your option) any later version.
9
10// This library is distributed in the hope that it will be useful, but
11// WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13// General Public License for more details.
14
15// You should have received a copy of the GNU General Public License
16// along with this library; see the file COPYING.  If not, write to
17// the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
18// MA 02110-1301, USA.
19
20// As a special exception, you may use this file as part of a free
21// software library without restriction.  Specifically, if other files
22// instantiate templates or use macros or inline functions from this
23// file, or you compile this file and link it with other files to
24// produce an executable, this file does not by itself cause the
25// resulting executable to be covered by the GNU General Public
26// License.  This exception does not however invalidate any other
27// reasons why the executable file might be covered by the GNU General
28// Public License.
29
30// Benjamin Kosnik  <bkoz@redhat.com>
31// Blame subsequent hacks on Loren J. Rittle <ljrittle@acm.org>, Phil
32// Edwards <pme@gcc.gnu.org>, and a cast of dozens at libstdc++@gcc.gnu.org.
33
34#include "testsuite_abi.h"
35#include <iostream>
36#include <unistd.h>    // for access(2)
37
38int
39main(int argc, char** argv)
40{
41  using namespace std;
42
43  // Get arguments.  (Heading towards getopt_long, I can feel it.)
44  string argv1 = argc > 1 ? argv[1] : "";
45  if (argv1 == "--help" || argc < 4)
46    {
47      cerr << "usage: abi_check --check         current baseline\n"
48              "                 --check-verbose current baseline\n"
49              "                 --examine       symbol current\n"
50              "                 --help\n"
51	      "\n"
52              "All arguments are string literals.\n"
53	      "CURRENT is a file generated byextract_symvers.\n"
54              "BASELINE is a file from config/abi.\n"
55              "SYMBOL is a mangled name.\n"
56	   << endl;
57      exit(1);
58    }
59
60  if (argv1.find("--check") != string::npos)
61    {
62      bool verbose = false;
63      if (argv1 == "--check-verbose")
64	verbose = true;
65
66      // Quick sanity/setup check for arguments.
67      const char* test_file = argv[2];
68      const char* baseline_file = argv[3];
69      if (access(test_file, R_OK) != 0)
70	{
71	  cerr << "Cannot read symbols file " << test_file
72	       << ", did you forget to build first?" << endl;
73	  exit(1);
74	}
75      if (access(baseline_file, R_OK) != 0)
76	{
77	  cerr << "Cannot read baseline file " << baseline_file << endl;
78	exit(1);
79	}
80      if (!compare_symbols(baseline_file, test_file, verbose))
81	exit (1);
82    }
83
84  if (argv1 == "--examine")
85    {
86      const char* file = argv[3];
87      if (access(file, R_OK) != 0)
88	{
89	  cerr << "Cannot read symbol file " << file << endl;
90	  exit(1);
91	}
92      examine_symbol(argv[2], file);
93    }
94  return 0;
95}
96