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/* 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. */
static void (*const __CTOR_LIST__[1]) (void)
__attribute__ ((section (".ctors")))
= { (void (*) (void)) -1 };
static void (*const __DTOR_LIST__[1]) (void)
__attribute__ ((section (".dtors")))
= { (void (*) (void)) -1 };
static inline void
run_hooks (void (*const list[]) (void))
{
while (*++list)
(**list) ();
}
#ifdef HAVE_DWARF2_UNWIND_INFO
static char __EH_FRAME_BEGIN__[]
__attribute__ ((section (".eh_frame")))
= { };
extern void __register_frame (const void *);
extern void __deregister_frame (const void *);
#endif
/* This function will be called from _init in init-first.c. */
void
__libc_global_ctors (void)
{
/* Call constructor functions. */
run_hooks (__CTOR_LIST__);
#ifdef HAVE_DWARF2_UNWIND_INFO
__register_frame (__EH_FRAME_BEGIN__);
#endif
}
/* This function becomes the DT_FINI termination function
for the C library. */
void _fini (void) __attribute__ ((section (".fini"))); /* Just for kicks. */
void
_fini (void)
{
/* Call destructor functions. */
run_hooks (__DTOR_LIST__);
#ifdef HAVE_DWARF2_UNWIND_INFO
__deregister_frame (__EH_FRAME_BEGIN__);
#endif
}
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