File: soinit.c

package info (click to toggle)
glibc 2.19-12
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 202,524 kB
  • ctags: 140,467
  • sloc: ansic: 969,237; asm: 241,206; sh: 10,046; makefile: 8,467; cpp: 3,595; perl: 2,077; pascal: 1,839; awk: 1,704; yacc: 317; sed: 73
file content (44 lines) | stat: -rw-r--r-- 1,128 bytes parent folder | download | duplicates (14)
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