| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 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 | } |