gold/testsuite/weak_alias_test_main.cc

   1 // weak_alias_test_main.cc -- test weak aliases for gold
   2
   3 // Copyright (C) 2008-2015 Free Software Foundation, Inc.
   4 // Written by Ian Lance Taylor <iant@google.com>.
   5
   6 // This file is part of gold.
   7
   8 // This program is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 3 of the License, or
  11 // (at your option) any later version.
  12
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the Free Software
  20 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  21 // MA 02110-1301, USA.
  22
  23 #include <assert.h>
  24
  25 // Defined in both weak_alias_test_1.cc and weak_alias_test_2.cc, but
  26 // we should get the one in weak_alias_test_1.cc.
  27 extern int weak_symbol;
  28
  29 // Defined in weak_alias_test_2.cc.
  30 extern int strong_symbol;
  31
  32 // weak_aliased is an alias for this.
  33 int strong_aliased = 3;
  34
  35 // Defined as a weak alias in weak_alias_test_1.cc.
  36 int weak_aliased_2 = 6;
  37
  38 // Defined in weak_alias_test_1.cc
  39 extern int strong_aliased_3;
  40 extern int weak_aliased_4;
  41
  42 // Defined in weak_alias_test_5.cc
  43 extern int versioned_symbol;
  44 extern int versioned_alias;
  45
  46 extern bool t1();
  47 extern bool t2();
  48
  49 int
  50 main()
  51 {
  52   // weak_symbol should come from weak_alias_test_3.cc.
  53   assert(weak_symbol == 4);
  54
  55   // strong_symbol should come from weak_alias_test_2.cc.
  56   assert(strong_symbol == 2);
  57
  58   // strong_aliased should come from this file, above.
  59   assert(strong_aliased == 3);
  60
  61   // weak_aliased_2 should come from this file, above.
  62   assert(weak_aliased_2 == 6);
  63
  64   // strong_aliased_3 should come from weak_alias_test_1.cc.
  65   assert(strong_aliased_3 == 7);
  66
  67   // weak_aliased_4 should come from weak_alias_test_1.cc.
  68   assert(weak_aliased_4 == 8);
  69
  70   // Make sure the symbols look right from a shared library.
  71   assert(t1());
  72
  73   // versioned_symbol comes from weak_alias_test_5.cc.
  74   assert(versioned_symbol == 1);
  75   // So does versioned_alias.
  76   assert(versioned_alias == 1);
  77
  78   // Make sure the versioned symbols look right from a shared library.
  79   assert(t2());
  80 }