X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Finternal%2Flibc.h;h=ca06f3199340d04e92b8c5f69fa0b74a864236f5;hp=c0039e77913a0d79dd09a08e0bd9a729d96030f3;hb=8431d7972fd9be0fdcaff8516316d748e81724bb;hpb=b2486a8922bf4977bd82c8190258e39de28c053b diff --git a/src/internal/libc.h b/src/internal/libc.h index c0039e77..ca06f319 100644 --- a/src/internal/libc.h +++ b/src/internal/libc.h @@ -5,30 +5,40 @@ #include struct __libc { - int *(*errno_location)(void); - void (*cancelpt)(int); - void (*lock)(volatile int *); - void (*lockfile)(FILE *); - void (*fork_handler)(int); + void *main_thread; + int threaded; + int secure; + size_t *auxv; int (*atexit)(void (*)(void)); void (*fini)(void); void (*ldso_fini)(void); volatile int threads_minus_1; - int ofl_lock; + int canceldisable; FILE *ofl_head; + int ofl_lock[2]; + volatile size_t tls_size, tls_cnt; }; +extern size_t __hwcap; -#if 100*__GNUC__+__GNUC_MINOR__ >= 303 || defined(__PCC__) || defined(__TINYC__) -extern struct __libc __libc __attribute__((visibility("hidden"))); -#define libc __libc +#if !defined(__PIC__) || 100*__GNUC__+__GNUC_MINOR__ >= 303 || defined(__PCC__) || defined(__TINYC__) + +#ifdef __PIC__ +#if __GNUC__ < 4 +#define BROKEN_VISIBILITY 1 +#endif +#define ATTR_LIBC_VISIBILITY __attribute__((visibility("hidden"))) +#else +#define ATTR_LIBC_VISIBILITY +#endif -#elif !defined(__PIC__) -extern struct __libc __libc; +extern struct __libc __libc ATTR_LIBC_VISIBILITY; #define libc __libc #else + #define USE_LIBC_ACCESSOR +#define ATTR_LIBC_VISIBILITY extern struct __libc *__libc_loc(void) __attribute__((const)); #define libc (*__libc_loc()) @@ -37,17 +47,14 @@ extern struct __libc *__libc_loc(void) __attribute__((const)); /* Designed to avoid any overhead in non-threaded processes */ void __lock(volatile int *); -void __lockfile(FILE *); +void __unlock(volatile int *); +int __lockfile(FILE *); +void __unlockfile(FILE *); #define LOCK(x) (libc.threads_minus_1 ? (__lock(x),1) : ((void)(x),1)) -#define UNLOCK(x) (*(x)=0) -#define CANCELPT(x) (libc.cancelpt ? libc.cancelpt((x)),0 : (void)(x),0) -#define CANCELPT_BEGIN CANCELPT(1) -#define CANCELPT_TRY CANCELPT(0) -#define CANCELPT_END CANCELPT(-1) -#define CANCELPT_INHIBIT CANCELPT(2) -#define CANCELPT_RESUME CANCELPT(-2) +#define UNLOCK(x) (libc.threads_minus_1 ? (__unlock(x),1) : ((void)(x),1)) -int __rsyscall(int, long, long, long, long, long, long); +void __synccall(void (*)(void *), void *); +int __setxid(int, int, int, int); extern char **__environ; #define environ __environ @@ -57,8 +64,7 @@ extern char **__environ; extern __typeof(old) new __attribute__((weak, alias(#old))) #undef LFS64_2 -//#define LFS64_2(x, y) weak_alias(x, y) -#define LFS64_2(x, y) extern __typeof(x) y +#define LFS64_2(x, y) weak_alias(x, y) #undef LFS64 #define LFS64(x) LFS64_2(x, x##64)