// two_file_test_2_v1.cc -- a two file test case for gold, file 2 of 2 // Copyright (C) 2006-2014 Free Software Foundation, Inc. // Written by Ian Lance Taylor . // This file is part of gold. // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, // MA 02110-1301, USA. // This is an alternate version of the source file two_file_test_2.cc, // used to test incremental linking. We build a binary first using this // source file, then do an incremental link with the primary version of // the file. // This tests references between files. This is file 2, and // two_file_test_1.cc is file 1. See file 1 for details. #include "two_file_test.h" // 1 Code in file 1 calls code in file 2. int t1_2() { return 0; } bool t1a() { return t1_2() == 0; } // 2 Code in file 1 refers to global data in file 2. int v2 = 1; // 3 Code in file 1 referes to common symbol in file 2. This is // initialized at runtime to 789. int v3; // 4 Code in file 1 refers to offset within global data in file 2. char v4[] = "World, hello"; // 5 Code in file 1 refers to offset within common symbol in file 2. // This is initialized at runtime to a copy of v4. char v5[13]; // 6 Data in file 1 refers to global data in file 2. This reuses v2. // 7 Data in file 1 refers to common symbol in file 2. This reuses v3. // 8 Data in file 1 refers to offset within global data in file 2. // This reuses v4. // 9 Data in file 1 refers to offset within common symbol in file 2. // This reuses v5. // 10 Data in file 1 refers to function in file 2. int f10() { return 0; } // 11 Pass function pointer from file 1 to file 2. int f11b(int (*pfn)()) { return (*pfn)(); } // 12 Compare address of function for equality in both files. bool (*f12())() { return &t12; } // 13 Compare address of inline function for equality in both files. void (*f13())() { return &f13i; } // 14 Compare string constants in file 1 and file 2. const char* f14() { return TEST_STRING_CONSTANT; } // 15 Compare wide string constants in file 1 and file 2. const wchar_t* f15() { return TEST_WIDE_STRING_CONSTANT; } // 17 File 1 checks array of string constants defined in file 2. const char* t17data[T17_COUNT] = { "0", "1", "2", "3", "4" }; // 18 File 1 checks string constants referenced directly in file 2. const char* f18(int i) { switch (i) { case 0: return "0"; case 1: return "1"; case 2: return "2"; case 3: return "3"; case 4: return "4"; default: return 0; } }