gold/testsuite/ver_test_main.cc

   1 // ver_test_main.cc -- a test case for gold
   2
   3 // Copyright (C) 2007-2020 Free Software Foundation, Inc.
   4 // Written by Cary Coutant <ccoutant@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 <cassert>
  24
  25 #include "ver_test.h"
  26
  27 int
  28 main()
  29 {
  30   assert(t1());
  31   assert(t2());
  32   assert(t3());
  33   assert(t4());
  34   return 0;
  35 }
  36
  37 // Calls a function in file2 that has two versions and verifies
  38 // that the default version is called.
  39
  40 bool
  41 t2()
  42 {
  43   TRACE
  44   return t2_2() == 22;
  45 }
  46
  47 // Call a function in a shared library that calls explicitly
  48 // the version of t1_2() defined in another shared library.
  49
  50 bool
  51 t3()
  52 {
  53   TRACE
  54   return t3_2() == 12;
  55 }
  56
  57 // Call a function in a shared library that calls a function which is
  58 // defined in the main program and defined with a default version in
  59 // the shared library.  The symbol in the main program should override
  60 // even though it doesn't have a version.
  61
  62 bool
  63 t4()
  64 {
  65   TRACE
  66   return t4_2() == 42;
  67 }
  68
  69 int
  70 t4_2a()
  71 {
  72   TRACE
  73   return 42;
  74 }