blob: 71398308d235377e05cfe77a2419b3bc6ade3976 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
/* Initializer module for building the ELF shared C library. This file and
sofini.c do the work normally done by crtbeginS.o and crtendS.o, to wrap
the `.ctors' and `.dtors' sections so the lists are terminated, and
calling those lists of functions. */
#ifndef NO_CTORS_DTORS_SECTIONS
# include <libc-internal.h>
# include <stdlib.h>
static void (*const __CTOR_LIST__[1]) (void)
__attribute__ ((used, section (".ctors")))
= { (void (*) (void)) -1 };
static void (*const __DTOR_LIST__[1]) (void)
__attribute__ ((used, section (".dtors")))
= { (void (*) (void)) -1 };
static inline void
run_hooks (void (*const list[]) (void))
{
while (*++list)
(**list) ();
}
/* This function will be called from _init in init-first.c. */
void
__libc_global_ctors (void)
{
/* Call constructor functions. */
run_hooks (__CTOR_LIST__);
}
/* This function becomes the DT_FINI termination function
for the C library. */
void
__libc_fini (void)
{
/* Call destructor functions. */
run_hooks (__DTOR_LIST__);
}
void (*_fini_ptr) (void) __attribute__ ((section (".fini_array")))
= &__libc_fini;
#endif
|
