| 1 | // debug_msg.cc -- a test case for printing debug info for missing symbols. |
| 2 | |
| 3 | // Copyright (C) 2006-2015 Free Software Foundation, Inc. |
| 4 | // Written by Ian Lance Taylor <iant@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 file is constructed to have undefined references. In |
| 24 | // debug_msg.sh, we will try to link this file, and analyze the |
| 25 | // error messages that are produced. |
| 26 | |
| 27 | extern int undef_int; |
| 28 | extern float undef_float; |
| 29 | extern void undef_fn1(); |
| 30 | extern void undef_fn2(); |
| 31 | |
| 32 | int* badref1 = &undef_int; |
| 33 | static float* badref2 = &undef_float; |
| 34 | void (*fn_array[])() = |
| 35 | { |
| 36 | undef_fn1, |
| 37 | undef_fn2 |
| 38 | }; |
| 39 | |
| 40 | template<class Foo> |
| 41 | int testfn(Foo x) |
| 42 | { |
| 43 | undef_fn1(); |
| 44 | undef_fn2(); |
| 45 | return undef_int; |
| 46 | } |
| 47 | |
| 48 | class Base |
| 49 | { |
| 50 | virtual void virtfn() { undef_fn1(); } |
| 51 | }; |
| 52 | |
| 53 | class Derived : public Base |
| 54 | { |
| 55 | virtual void virtfn() { undef_fn2(); } |
| 56 | }; |
| 57 | |
| 58 | // This tests One Definition Rule (ODR) violations. |
| 59 | void SortAscending(int array[], int size); // in odr_violation1.cc |
| 60 | void SortDescending(int array[], int size); // in odr_violation2.cc |
| 61 | // This tests One Definition Rule (ODR) non-violations. |
| 62 | #include "odr_header2.h" |
| 63 | OdrBase* CreateOdrDerived1(); // in odr_violation1.cc |
| 64 | OdrBase* CreateOdrDerived2(); // in odr_violation2.cc |
| 65 | |
| 66 | extern "C" int OverriddenCFunction(int i); // in odr_violation*.cc |
| 67 | |
| 68 | inline int SometimesInlineFunction(int i) { // strong in odr_violation2.cc. |
| 69 | return i * i * 3; |
| 70 | } |
| 71 | |
| 72 | |
| 73 | int main() |
| 74 | { |
| 75 | testfn(5); |
| 76 | testfn(4.0); |
| 77 | |
| 78 | Base b; |
| 79 | Derived d; |
| 80 | |
| 81 | int kInput1[] = {1, 6, 9, 7, 3, 4, 2, 10, 5, 8}; |
| 82 | int kSize1 = sizeof(kInput1) / sizeof(int); |
| 83 | SortAscending(kInput1, kSize1); |
| 84 | |
| 85 | int kInput2[] = {1, 6, 9, 7, 3, 4, 2, 10, 5, 8}; |
| 86 | int kSize2 = sizeof(kInput2) / sizeof(int); |
| 87 | SortDescending(kInput2, kSize2); |
| 88 | |
| 89 | OverriddenCFunction(3); |
| 90 | SometimesInlineFunction(3); |
| 91 | |
| 92 | delete CreateOdrDerived1(); |
| 93 | delete CreateOdrDerived2(); |
| 94 | |
| 95 | return 0; |
| 96 | } |