1 // two_file_test_2.cc -- a two file test case for gold, file 2 of 2 2 3 // Copyright (C) 2006-2014 Free Software Foundation, Inc. 4 // Written by Ian Lance Taylor <iant (at) 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 } 146