gold/testsuite/two_file_test_2.cc

   1 // two_file_test_2.cc -- a two file test case for gold, file 2 of 2
   2
   3 // Copyright (C) 2006-2019 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 // This tests references between files.  This is file 2, and
  24 // two_file_test_1.cc is file 1.  See file 1 for details.
  25
  26 #include "two_file_test.h"
  27
  28 // 1  Code in file 1 calls code in file 2.
  29
  30 int
  31 t1_2()
  32 {
  33   return 123;
  34 }
  35
  36 bool
  37 t1a()
  38 {
  39   return t1_2() == 123;
  40 }
  41
  42 // 2  Code in file 1 refers to global data in file 2.
  43
  44 int v2 = 456;
  45
  46 // 3 Code in file 1 referes to common symbol in file 2.  This is
  47 // initialized at runtime to 789.
  48
  49 int v3;
  50
  51 // 4  Code in file 1 refers to offset within global data in file 2.
  52
  53 char v4[] = "Hello, world";
  54
  55 // 5 Code in file 1 refers to offset within common symbol in file 2.
  56 // This is initialized at runtime to a copy of v4.
  57
  58 char v5[13];
  59
  60 // 6  Data in file 1 refers to global data in file 2.  This reuses v2.
  61
  62 // 7  Data in file 1 refers to common symbol in file 2.  This reuses v3.
  63
  64 // 8 Data in file 1 refers to offset within global data in file 2.
  65 // This reuses v4.
  66
  67 // 9 Data in file 1 refers to offset within common symbol in file 2.
  68 // This reuses v5.
  69
  70 // 10 Data in file 1 refers to function in file 2.
  71
  72 int
  73 f10()
  74 {
  75   return 135;
  76 }
  77
  78 // 11 Pass function pointer from file 1 to file 2.
  79
  80 int
  81 f11b(int (*pfn)())
  82 {
  83   return (*pfn)();
  84 }
  85
  86 // 12 Compare address of function for equality in both files.
  87
  88 bool
  89 (*f12())()
  90 {
  91   return &t12;
  92 }
  93
  94 // 13 Compare address of inline function for equality in both files.
  95
  96 void
  97 (*f13())()
  98 {
  99   return &f13i;
 100 }
 101
 102 // 14 Compare string constants in file 1 and file 2.
 103
 104 const char*
 105 f14()
 106 {
 107   return TEST_STRING_CONSTANT;
 108 }
 109
 110 // 15 Compare wide string constants in file 1 and file 2.
 111
 112 const wchar_t*
 113 f15()
 114 {
 115   return TEST_WIDE_STRING_CONSTANT;
 116 }
 117
 118 // 17 File 1 checks array of string constants defined in file 2.
 119
 120 const char* t17data[T17_COUNT] =
 121 {
 122   "a", "b", "c", "d", "e"
 123 };
 124
 125 // 18 File 1 checks string constants referenced directly in file 2.
 126
 127 const char*
 128 f18(int i)
 129 {
 130   switch (i)
 131     {
 132     case 0:
 133       return "a";
 134     case 1:
 135       return "b";
 136     case 2:
 137       return "c";
 138     case 3:
 139       return "d";
 140     case 4:
 141       return "e";
 142     default:
 143       return 0;
 144     }
 145 }