12 int (*atexit)(void (*)(void));
14 void (*ldso_fini)(void);
15 volatile int threads_minus_1;
22 extern size_t __hwcap;
24 #if !defined(__PIC__) || (100*__GNUC__+__GNUC_MINOR__ >= 303 && !defined(__PCC__))
28 #define BROKEN_VISIBILITY 1
30 #define ATTR_LIBC_VISIBILITY __attribute__((visibility("hidden")))
32 #define ATTR_LIBC_VISIBILITY
35 extern struct __libc __libc ATTR_LIBC_VISIBILITY;
40 #define USE_LIBC_ACCESSOR
41 #define ATTR_LIBC_VISIBILITY
42 extern struct __libc *__libc_loc(void) __attribute__((const));
43 #define libc (*__libc_loc())
48 /* Designed to avoid any overhead in non-threaded processes */
49 void __lock(volatile int *) ATTR_LIBC_VISIBILITY;
50 void __unlock(volatile int *) ATTR_LIBC_VISIBILITY;
51 int __lockfile(FILE *) ATTR_LIBC_VISIBILITY;
52 void __unlockfile(FILE *) ATTR_LIBC_VISIBILITY;
53 #define LOCK(x) (libc.threads_minus_1 ? (__lock(x),1) : ((void)(x),1))
54 #define UNLOCK(x) (libc.threads_minus_1 ? (__unlock(x),1) : ((void)(x),1))
56 void __synccall(void (*)(void *), void *);
57 int __setxid(int, int, int, int);
59 extern char **__environ;
60 #define environ __environ
63 #define weak_alias(old, new) \
64 extern __typeof(old) new __attribute__((weak, alias(#old)))
67 #define LFS64_2(x, y) weak_alias(x, y)
70 #define LFS64(x) LFS64_2(x, x##64)