1// -*- C++ -*-
2
3// Copyright (C) 2004, 2005, 2006, 2007, 2009 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 3, 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 COPYING3.  If not see
17// <http://www.gnu.org/licenses/>.
18
19
20// Benjamin Kosnik  <bkoz@redhat.com>
21// Blame subsequent hacks on Loren J. Rittle <ljrittle@acm.org>, Phil
22// Edwards <pme@gcc.gnu.org>, and a cast of dozens at libstdc++@gcc.gnu.org.
23
24#include "testsuite_abi.h"
25#include <iostream>
26#include <cstdlib>
27#include <unistd.h>    // for access(2)
28
29int
30main(int argc, char** argv)
31{
32  using namespace std;
33
34  // Get arguments.  (Heading towards getopt_long, I can feel it.)
35  string argv1 = argc > 1 ? argv[1] : "";
36  if (argv1 == "--help" || argc < 4)
37    {
38      cerr << "usage: abi_check --check         current baseline\n"
39              "                 --check-verbose current baseline\n"
40              "                 --examine       symbol current\n"
41              "                 --help\n"
42	      "\n"
43              "All arguments are string literals.\n"
44	      "CURRENT is a file generated byextract_symvers.\n"
45              "BASELINE is a file from config/abi.\n"
46              "SYMBOL is a mangled name.\n"
47	   << endl;
48      exit(1);
49    }
50
51  if (argv1.find("--check") != string::npos)
52    {
53      bool verbose = false;
54      if (argv1 == "--check-verbose")
55	verbose = true;
56
57      // Quick sanity/setup check for arguments.
58      const char* test_file = argv[2];
59      const char* baseline_file = argv[3];
60      if (access(test_file, R_OK) != 0)
61	{
62	  cerr << "Cannot read symbols file " << test_file
63	       << ", did you forget to build first?" << endl;
64	  exit(1);
65	}
66      if (access(baseline_file, R_OK) != 0)
67	{
68	  cerr << "Cannot read baseline file " << baseline_file << endl;
69	exit(1);
70	}
71      if (!compare_symbols(baseline_file, test_file, verbose))
72	exit (1);
73    }
74
75  if (argv1 == "--examine")
76    {
77      const char* file = argv[3];
78      if (access(file, R_OK) != 0)
79	{
80	  cerr << "Cannot read symbol file " << file << endl;
81	  exit(1);
82	}
83      examine_symbol(argv[2], file);
84    }
85  return 0;
86}
87