gold/testsuite/initpri1.c

   1 /* initpri1.c -- test constructor priorities.
   2
   3    Copyright 2007, 2008 Free Software Foundation, Inc.
   4    Copied from the gcc testsuite, where the test was contributed by
   5    Mark Mitchell <mark@codesourcery.com>.
   6
   7    This file is part of gold.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  22    MA 02110-1301, USA.
  23
  24    This is a test of a common symbol in the main program and a
  25    versioned symbol in a shared library.  The common symbol in the
  26    main program should override the shared library symbol.  */
  27
  28 #include <stdlib.h>
  29
  30 int i;
  31 int j;
  32
  33 void c1(void) __attribute__((constructor (500)));
  34 void c2(void) __attribute__((constructor (700)));
  35 void c3(void) __attribute__((constructor (600)));
  36
  37 void c1() {
  38   if (i++ != 0)
  39     abort ();
  40 }
  41
  42 void c2() {
  43   if (i++ != 2)
  44     abort ();
  45 }
  46
  47 void c3() {
  48   if (i++ != 1)
  49     abort ();
  50 }
  51
  52 void d1(void) __attribute__((destructor (500)));
  53 void d2(void) __attribute__((destructor (700)));
  54 void d3(void) __attribute__((destructor (600)));
  55
  56 void d1() {
  57   if (--i != 0)
  58     abort ();
  59 }
  60
  61 void d2() {
  62   if (--i != 2)
  63     abort ();
  64 }
  65
  66 void d3() {
  67   if (j != 4)
  68     abort ();
  69   if (--i != 1)
  70     abort ();
  71 }
  72
  73 void cd4(void) __attribute__((constructor (800), destructor (800)));
  74
  75 void cd4() {
  76   if (i != 3)
  77     abort ();
  78   ++j;
  79 }
  80
  81 void cd5(void) __attribute__((constructor, destructor));
  82
  83 void cd5() {
  84   if (i != 3)
  85     abort();
  86   ++j;
  87 }
  88
  89 int main (void) {
  90   if (i != 3)
  91     return 1;
  92   if (j != 2)
  93     abort ();
  94   return 0;
  95 }