| // debug_msg.cc -- a test case for printing debug info for missing symbols. |
| |
| // Copyright (C) 2006-2021 Free Software Foundation, Inc. |
| // Written by Ian Lance Taylor <iant@google.com>. |
| |
| // 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 file is constructed to have undefined references. In |
| // debug_msg.sh, we will try to link this file, and analyze the |
| // error messages that are produced. |
| |
| extern int undef_int; |
| extern float undef_float; |
| extern void undef_fn1(); |
| extern void undef_fn2(); |
| |
| int* badref1 = &undef_int; |
| static float* badref2 = &undef_float; |
| void (*fn_array[])() = |
| { |
| undef_fn1, |
| undef_fn2 |
| }; |
| |
| template<class Foo> |
| int testfn(Foo x) |
| { |
| undef_fn1(); |
| undef_fn2(); |
| return undef_int; |
| } |
| |
| class Base |
| { |
| virtual void virtfn() { undef_fn1(); } |
| }; |
| |
| class Derived : public Base |
| { |
| virtual void virtfn() { undef_fn2(); } |
| }; |
| |
| // This tests One Definition Rule (ODR) violations. |
| void SortAscending(int array[], int size); // in odr_violation1.cc |
| void SortDescending(int array[], int size); // in odr_violation2.cc |
| // This tests One Definition Rule (ODR) non-violations. |
| #include "odr_header2.h" |
| OdrBase* CreateOdrDerived1(); // in odr_violation1.cc |
| OdrBase* CreateOdrDerived2(); // in odr_violation2.cc |
| |
| extern "C" int OverriddenCFunction(int i); // in odr_violation*.cc |
| |
| inline int SometimesInlineFunction(int i) { // strong in odr_violation2.cc. |
| return i * i * 3; |
| } |
| |
| |
| int main() |
| { |
| testfn(5); |
| testfn(4.0); |
| |
| Base b; |
| Derived d; |
| |
| int kInput1[] = {1, 6, 9, 7, 3, 4, 2, 10, 5, 8}; |
| int kSize1 = sizeof(kInput1) / sizeof(int); |
| SortAscending(kInput1, kSize1); |
| |
| int kInput2[] = {1, 6, 9, 7, 3, 4, 2, 10, 5, 8}; |
| int kSize2 = sizeof(kInput2) / sizeof(int); |
| SortDescending(kInput2, kSize2); |
| |
| OverriddenCFunction(3); |
| SometimesInlineFunction(3); |
| |
| delete CreateOdrDerived1(); |
| delete CreateOdrDerived2(); |
| |
| return 0; |
| } |