// two_file_test_1_v1.cc -- a two file test case for gold, file 1 of 2
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// two_file_test_1_v1.cc -- a two file test case for gold, file 1 of 2
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// Copyright 2006, 2007, 2008, 2011 Free Software Foundation, Inc.
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// Copyright 2006, 2007, 2008, 2011 Free Software Foundation, Inc.
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// Written by Ian Lance Taylor <iant@google.com>.
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// Written by Ian Lance Taylor <iant@google.com>.
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// This file is part of gold.
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// MA 02110-1301, USA.
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// MA 02110-1301, USA.
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// This is an alternate version of the source file two_file_test_1.cc,
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// This is an alternate version of the source file two_file_test_1.cc,
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// used to test incremental linking. We build a binary first using this
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// used to test incremental linking. We build a binary first using this
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// source file, then do an incremental link with the primary version of
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// source file, then do an incremental link with the primary version of
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// the file.
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// the file.
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// This tests references between files. This is file 1, and
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// This tests references between files. This is file 1, and
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// two_file_test_2.cc is file 2. We test in several different ways:
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// two_file_test_2.cc is file 2. We test in several different ways:
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// Files 1 and 2 linked together in executable.
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// Files 1 and 2 linked together in executable.
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// File 1 in executable, file 2 in shared library.
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// File 1 in executable, file 2 in shared library.
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// File 1 in shared library, file 2 in executable.
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// File 1 in shared library, file 2 in executable.
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// Files 1 and 2 linked together in shared library.
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// Files 1 and 2 linked together in shared library.
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// Files 1 and 2 in different shared libraries.
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// Files 1 and 2 in different shared libraries.
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// We test the following cases.
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// We test the following cases.
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// 1 Code in file 1 calls code in file 2.
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// 1 Code in file 1 calls code in file 2.
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// 2 Code in file 1 refers to global data in file 2.
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// 2 Code in file 1 refers to global data in file 2.
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// 3 Code in file 1 referes to common symbol in file 2.
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// 3 Code in file 1 referes to common symbol in file 2.
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// 4 Code in file 1 refers to offset within global data in file 2.
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// 4 Code in file 1 refers to offset within global data in file 2.
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// 5 Code in file 1 refers to offset within common symbol in file 2.
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// 5 Code in file 1 refers to offset within common symbol in file 2.
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// 6 Data in file 1 refers to global data in file 2.
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// 6 Data in file 1 refers to global data in file 2.
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// 7 Data in file 1 refers to common symbol in file 2.
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// 7 Data in file 1 refers to common symbol in file 2.
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// 8 Data in file 1 refers to offset within global data in file 2.
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// 8 Data in file 1 refers to offset within global data in file 2.
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// 9 Data in file 1 refers to offset within common symbol in file 2.
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// 9 Data in file 1 refers to offset within common symbol in file 2.
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// 10 Data in file 1 refers to function in file 2.
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// 10 Data in file 1 refers to function in file 2.
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// 11 Pass function pointer from file 1 to file 2.
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// 11 Pass function pointer from file 1 to file 2.
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// 12 Compare address of function for equality in both files.
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// 12 Compare address of function for equality in both files.
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// 13 Compare address of inline function for equality in both files.
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// 13 Compare address of inline function for equality in both files.
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// 14 Compare string constants in file 1 and file 2.
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// 14 Compare string constants in file 1 and file 2.
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// 15 Compare wide string constants in file 1 and file 2.
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// 15 Compare wide string constants in file 1 and file 2.
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// 16 Call a function directly after its address has been taken.
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// 16 Call a function directly after its address has been taken.
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// 17 File 1 checks array of string constants defined in file 2.
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// 17 File 1 checks array of string constants defined in file 2.
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// 18 File 1 checks string constants referenced in code in file 2.
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// 18 File 1 checks string constants referenced in code in file 2.
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#include "two_file_test.h"
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#include "two_file_test.h"
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// 1 Code in file 1 calls code in file 2.
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// 1 Code in file 1 calls code in file 2.
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bool
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bool
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t1()
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t1()
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{
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{
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return t1_2() == 0;
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return t1_2() == 0; // Intentionally wrong.
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}
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}
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// 2 Code in file 1 refers to global data in file 2.
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// 2 Code in file 1 refers to global data in file 2.
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bool
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bool
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t2()
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t2()
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{
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{
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return v2 == 0;
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return v2 == 0; // Intentionally wrong.
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}
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}
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// 3 Code in file 1 referes to common symbol in file 2.
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// 3 Code in file 1 referes to common symbol in file 2.
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bool
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bool
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t3()
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t3()
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{
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{
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return v3 == 0;
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return v3 == 0; // Intentionally wrong.
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}
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}
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// 4 Code in file 1 refers to offset within global data in file 2.
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// 4 Code in file 1 refers to offset within global data in file 2.
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bool
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bool
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t4()
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t4()
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{
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{
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return v4[5] == ',';
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return v4[5] == ',';
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}
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}
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// 5 Code in file 1 refers to offset within common symbol in file 2.
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// 5 Code in file 1 refers to offset within common symbol in file 2.
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bool
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bool
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t5()
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t5()
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{
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{
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return v5[7] == 'w';
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return v5[7] == 'w';
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}
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}
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// 6 Data in file 1 refers to global data in file 2.
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// 6 Data in file 1 refers to global data in file 2.
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int* p6 = &v2;
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int* p6 = &v2;
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bool
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bool
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t6()
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t6()
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{
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{
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return *p6 == 456;
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return *p6 == 456;
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}
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}
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// 7 Data in file 1 refers to common symbol in file 2.
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// 7 Data in file 1 refers to common symbol in file 2.
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int* p7 = &v3;
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int* p7 = &v3;
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bool
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bool
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t7()
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t7()
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{
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{
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return *p7 == 789;
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return *p7 == 789;
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}
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}
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// 8 Data in file 1 refers to offset within global data in file 2.
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// 8 Data in file 1 refers to offset within global data in file 2.
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char* p8 = &v4[6];
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char* p8 = &v4[6];
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bool
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bool
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t8()
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t8()
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{
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{
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return *p8 == ' ';
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return *p8 == ' ';
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}
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}
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// 9 Data in file 1 refers to offset within common symbol in file 2.
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// 9 Data in file 1 refers to offset within common symbol in file 2.
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char* p9 = &v5[8];
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char* p9 = &v5[8];
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bool
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bool
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t9()
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t9()
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{
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{
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return *p9 == 'o';
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return *p9 == 'o';
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}
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}
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// 10 Data in file 1 refers to function in file 2.
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// 10 Data in file 1 refers to function in file 2.
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int (*pfn)() = &f10;
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int (*pfn)() = &f10;
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bool
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bool
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t10()
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t10()
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{
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{
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return (*pfn)() == 135;
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return (*pfn)() == 135;
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}
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}
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// 11 Pass function pointer from file 1 to file 2.
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// 11 Pass function pointer from file 1 to file 2.
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int
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int
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f11a()
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f11a()
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{
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{
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return 246;
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return 246;
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}
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}
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bool
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bool
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t11()
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t11()
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{
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{
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return f11b(&f11a) == 246;
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return f11b(&f11a) == 246;
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}
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}
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// 12 Compare address of function for equality in both files.
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// 12 Compare address of function for equality in both files.
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bool
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bool
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t12()
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t12()
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{
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{
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return &t12 == f12();
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return &t12 == f12();
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}
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}
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// 13 Compare address of inline function for equality in both files.
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// 13 Compare address of inline function for equality in both files.
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bool
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bool
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t13()
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t13()
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{
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{
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return &f13i == f13();
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return &f13i == f13();
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}
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}
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// 14 Compare string constants in file 1 and file 2.
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// 14 Compare string constants in file 1 and file 2.
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bool
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bool
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t14()
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t14()
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{
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{
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const char* s1 = TEST_STRING_CONSTANT;
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const char* s1 = TEST_STRING_CONSTANT;
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const char* s2 = f14();
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const char* s2 = f14();
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while (*s1 != '\0')
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while (*s1 != '\0')
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if (*s1++ != *s2++)
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if (*s1++ != *s2++)
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return false;
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return false;
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return *s2 == '\0';
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return *s2 == '\0';
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}
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}
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// 15 Compare wide string constants in file 1 and file 2.
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// 15 Compare wide string constants in file 1 and file 2.
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bool
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bool
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t15()
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t15()
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{
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{
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const wchar_t* s1 = TEST_WIDE_STRING_CONSTANT;
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const wchar_t* s1 = TEST_WIDE_STRING_CONSTANT;
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const wchar_t* s2 = f15();
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const wchar_t* s2 = f15();
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while (*s1 != '\0')
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while (*s1 != '\0')
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if (*s1++ != *s2++)
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if (*s1++ != *s2++)
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return false;
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return false;
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return *s2 == '\0';
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return *s2 == '\0';
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}
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}
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// 16 Call a function directly after its address has been taken.
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// 16 Call a function directly after its address has been taken.
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bool
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bool
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t16()
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t16()
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{
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{
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return f10() == 135;
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return f10() == 135;
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}
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}
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// 17 File 1 checks array of string constants defined in file 2.
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// 17 File 1 checks array of string constants defined in file 2.
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bool
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bool
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t17()
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t17()
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{
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{
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char c = 'a';
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char c = 'a';
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for (int i = 0; i < T17_COUNT; ++i)
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for (int i = 0; i < T17_COUNT; ++i)
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{
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{
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if (t17data[i][0] != c || t17data[i][1] != '\0')
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if (t17data[i][0] != c || t17data[i][1] != '\0')
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return false;
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return false;
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++c;
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++c;
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}
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}
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return true;
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return true;
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}
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}
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// 18 File 1 checks string constants referenced in code in file 2.
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// 18 File 1 checks string constants referenced in code in file 2.
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bool
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bool
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t18()
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t18()
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{
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{
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char c = 'a';
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// Stubbed out; full implementation in two_file_test_1.cc.
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for (int i = 0; i < T17_COUNT; ++i)
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{
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const char* s = f18(i);
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if (s[0] != c || s[1] != '\0')
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return false;
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++c;
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}
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return true;
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return true;
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}
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}
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