Add time64 support to ARC.

Signed-off-by: Dmitry Chestnykh <dm.chestnykh@gmail.com>

extra/Configs/Config.in

@@ -1026,7 +1026,8 @@ config UCLIBC_FALLBACK_TO_ETC_LOCALTIME
 
 config UCLIBC_USE_TIME64
 	bool "Use *time64 syscalls instead of 32bit ones (if possible)"
-	depends on TARGET_arm                            || \
+	depends on TARGET_arc                            || \
+		   TARGET_arm                            || \
 		   (TARGET_mips && !CONFIG_MIPS_N64_ABI) || \
 		   TARGET_or1k                           || \
 		   TARGET_powerpc                        || \

libc/sysdeps/linux/arc/bits/uClibc_arch_features.h

@@ -17,9 +17,6 @@
 /* can your target use syscall6() for mmap ? */
 #undef __UCLIBC_MMAP_HAS_6_ARGS__
 
-/* does your target use statx */
-#undef __UCLIBC_HAVE_STATX__
-
 /* does your target have a broken create_module() ? */
 #undef __UCLIBC_BROKEN_CREATE_MODULE__
 

libc/sysdeps/linux/common/bits/sem.h

@@ -45,8 +45,8 @@ struct semid_ds
 #else
   __time_t sem_otime;			/* last semop() time */
 #endif
-#if (__WORDSIZE == 32 && !defined(__arm__) && !defined(__or1k__) && !defined(__xtensa__)) || \
-    ((defined(__arm__) || defined(__or1k__) || defined(__xtensa__)) && !defined(__UCLIBC_USE_TIME64__))
+#if (__WORDSIZE == 32 && !defined(__ARC64_ARCH32__) && !defined(__arc__) && !defined(__arm__) && !defined(__or1k__) && !defined(__xtensa__)) || \
+    ((defined(__ARC64_ARCH32__) || defined(__arc__) || defined(__arm__) || defined(__or1k__) || defined(__xtensa__)) && !defined(__UCLIBC_USE_TIME64__))
   unsigned long int __uclibc_unused1;
 #endif
 #if defined(__UCLIBC_USE_TIME64__)
@@ -55,8 +55,8 @@ struct semid_ds
 #else
   __time_t sem_ctime;			/* last time changed by semctl() */
 #endif
-#if (__WORDSIZE == 32 && !defined(__arm__) && !defined(__or1k__) && !defined(__xtensa__)) || \
-    ((defined(__arm__) || defined(__or1k__) || defined(__xtensa__)) && !defined(__UCLIBC_USE_TIME64__))
+#if (__WORDSIZE == 32 && !defined(__ARC64_ARCH32__) && !defined(__arc__) && !defined(__arm__) && !defined(__or1k__) && !defined(__xtensa__)) || \
+    ((defined(__ARC64_ARCH32__) || defined(__arc__) || defined(__arm__) || defined(__or1k__) || defined(__xtensa__)) && !defined(__UCLIBC_USE_TIME64__))
   unsigned long int __uclibc_unused2;
 #endif
   unsigned long int sem_nsems;		/* number of semaphores in set */