gold/testsuite/initpri1.c

   1 /* initpri1.c -- test constructor priorities.
   2
   3    Copyright (C) 2007-2021 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 tests that the linker handles constructor and destructor
  25    priorities correctly.  */
  26
  27 #include <stdlib.h>
  28
  29 /* Constructor priorities in attributes were added in gcc 4.3.  */
  30 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 2)
  31
  32 int i;
  33 int j;
  34
  35 void c1(void) __attribute__((constructor (500)));
  36 void c2(void) __attribute__((constructor (700)));
  37 void c3(void) __attribute__((constructor (600)));
  38
  39 void c1() {
  40   if (i++ != 0)
  41     abort ();
  42 }
  43
  44 void c2() {
  45   if (i++ != 2)
  46     abort ();
  47 }
  48
  49 void c3() {
  50   if (i++ != 1)
  51     abort ();
  52 }
  53
  54 void d1(void) __attribute__((destructor (500)));
  55 void d2(void) __attribute__((destructor (700)));
  56 void d3(void) __attribute__((destructor (600)));
  57
  58 void d1() {
  59   if (--i != 0)
  60     abort ();
  61 }
  62
  63 void d2() {
  64   if (--i != 2)
  65     abort ();
  66 }
  67
  68 void d3() {
  69   if (j != 4)
  70     abort ();
  71   if (--i != 1)
  72     abort ();
  73 }
  74
  75 void cd4(void) __attribute__((constructor (800), destructor (800)));
  76
  77 void cd4() {
  78   if (i != 3)
  79     abort ();
  80   ++j;
  81 }
  82
  83 void cd5(void) __attribute__((constructor, destructor));
  84
  85 void cd5() {
  86   if (i != 3)
  87     abort();
  88   ++j;
  89 }
  90
  91 int main (void) {
  92   if (i != 3)
  93     return 1;
  94   if (j != 2)
  95     abort ();
  96   return 0;
  97 }
  98
  99 #else /* !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 2)) */
 100
 101 int main (void) {
 102   exit (0);
 103 }
 104
 105 #endif /* !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 2)) */