gold/testsuite/dwp_test_2.cc

   1 // dwp_test_2.cc -- a test case for dwp
   2
   3 // Copyright (C) 2012-2021 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 // Adapted from two_file_test_2.cc.
  24
  25 #include "dwp_test.h"
  26
  27 // 1  Code in file 1 calls code in file 2.
  28
  29 int
  30 C1::t1_2()
  31 {
  32   return 123;
  33 }
  34
  35 bool
  36 C1::t1a()
  37 {
  38   return t1_2() == 123;
  39 }
  40
  41 // 2  Code in file 1 refers to global data in file 2.
  42
  43 int v2 = 456;
  44
  45 // 3 Code in file 1 referes to common symbol in file 2.  This is
  46 // initialized at runtime to 789.
  47
  48 int v3;
  49
  50 // 4  Code in file 1 refers to offset within global data in file 2.
  51
  52 char v4[] = "Hello, world";
  53
  54 // 5 Code in file 1 refers to offset within common symbol in file 2.
  55 // This is initialized at runtime to a copy of v4.
  56
  57 char v5[13];
  58
  59 // 6  Data in file 1 refers to global data in file 2.  This reuses v2.
  60
  61 // 7  Data in file 1 refers to common symbol in file 2.  This reuses v3.
  62
  63 // 8 Data in file 1 refers to offset within global data in file 2.
  64 // This reuses v4.
  65
  66 // 9 Data in file 1 refers to offset within common symbol in file 2.
  67 // This reuses v5.
  68
  69 // 10 Data in file 1 refers to function in file 2.
  70
  71 int
  72 f10()
  73 {
  74   return 135;
  75 }
  76
  77 // 11 Pass function pointer from file 1 to file 2.
  78
  79 int
  80 f11b(int (*pfn)())
  81 {
  82   return (*pfn)();
  83 }
  84
  85 // 12 Compare address of function for equality in both files.
  86
  87 bool
  88 (*C3::f4())()
  89 {
  90   return &t12;
  91 }
  92
  93 // 13 Compare address of inline function for equality in both files.
  94
  95 void
  96 (*f13())()
  97 {
  98   return &f13i;
  99 }
 100
 101 // 14 Compare string constants in file 1 and file 2.
 102
 103 const char*
 104 f14()
 105 {
 106   return TEST_STRING_CONSTANT;
 107 }
 108
 109 // 15 Compare wide string constants in file 1 and file 2.
 110
 111 const wchar_t*
 112 f15()
 113 {
 114   return TEST_WIDE_STRING_CONSTANT;
 115 }
 116
 117 // 17 File 1 checks array of string constants defined in file 2.
 118
 119 const char* t17data[T17_COUNT] =
 120 {
 121   "a", "b", "c", "d", "e"
 122 };
 123
 124 // 18 File 1 checks string constants referenced directly in file 2.
 125
 126 const char*
 127 f18(int i)
 128 {
 129   switch (i)
 130     {
 131     case 0:
 132       return "a";
 133     case 1:
 134       return "b";
 135     case 2:
 136       return "c";
 137     case 3:
 138       return "d";
 139     case 4:
 140       return "e";
 141     default:
 142       return 0;
 143     }
 144 }