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// debug_msg.cc -- a test case for printing debug info for missing symbols.

// Copyright 2006, 2007, 2008 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

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);

  return 0;

}