elf/tst-array1.c

   1 #include <unistd.h>
   2
   3 /* Give init non-default priority so that it runs before init_array.  */
   4 static void init (void) __attribute__ ((constructor (1000)));
   5
   6 static void
   7 init (void)
   8 {
   9   write (STDOUT_FILENO, "init\n", 5);
  10 }
  11
  12 /* Give fini the same priority as init.  */
  13 static void fini (void) __attribute__ ((destructor (1000)));
  14
  15 static void
  16 fini (void)
  17 {
  18   write (STDOUT_FILENO, "fini\n", 5);
  19 }
  20
  21 static void
  22 preinit_0 (void)
  23 {
  24   write (STDOUT_FILENO, "preinit array 0\n", 16);
  25 }
  26
  27 static void
  28 preinit_1 (void)
  29 {
  30   write (STDOUT_FILENO, "preinit array 1\n", 16);
  31 }
  32
  33 static void
  34 preinit_2 (void)
  35 {
  36   write (STDOUT_FILENO, "preinit array 2\n", 16);
  37 }
  38
  39 void (*const preinit_array []) (void)
  40      __attribute__ ((section (".preinit_array"), aligned (sizeof (void *)))) =
  41 {
  42   &preinit_0,
  43   &preinit_1,
  44   &preinit_2
  45 };
  46
  47 static void
  48 init_0 (void)
  49 {
  50   write (STDOUT_FILENO, "init array 0\n", 13);
  51 }
  52
  53 static void
  54 init_1 (void)
  55 {
  56   write (STDOUT_FILENO, "init array 1\n", 13);
  57 }
  58
  59 static void
  60 init_2 (void)
  61 {
  62   write (STDOUT_FILENO, "init array 2\n", 13);
  63 }
  64
  65 void (*init_array []) (void)
  66      __attribute__ ((section (".init_array"), aligned (sizeof (void *)))) =
  67 {
  68   &init_0,
  69   &init_1,
  70   &init_2
  71 };
  72
  73 static void
  74 fini_0 (void)
  75 {
  76   write (STDOUT_FILENO, "fini array 0\n", 13);
  77 }
  78
  79 static void
  80 fini_1 (void)
  81 {
  82   write (STDOUT_FILENO, "fini array 1\n", 13);
  83 }
  84
  85 static void
  86 fini_2 (void)
  87 {
  88   write (STDOUT_FILENO, "fini array 2\n", 13);
  89 }
  90
  91 void (*fini_array []) (void)
  92      __attribute__ ((section (".fini_array"), aligned (sizeof (void *)))) =
  93 {
  94   &fini_0,
  95   &fini_1,
  96   &fini_2
  97 };
  98
  99 int
 100 main (void)
 101 {
 102   return 0;
 103 }