am 731f9273: am 2d94ee29: Merge "Revert "Revert "Hide _tolower_tab_ and _toupper_tab_...

[android-sdk/platform-bionic.git] / libc / include / sys / cdefs_elf.h

diff --git a/libc/include/sys/cdefs_elf.h b/libc/include/sys/cdefs_elf.h
index c21214cc25703bee2940062f444f9f049f8c0236..b5db13e644a9cc84d73f8fcc49f887a5c7fc5589 100644 (file)
--- a/libc/include/sys/cdefs_elf.h
+++ b/libc/include/sys/cdefs_elf.h
@@ -64,6 +64,13 @@
 /* Used to tag non-static symbols that are private and never exposed by the shared library. */
 #define __LIBC_HIDDEN__ __attribute__((visibility ("hidden")))
 
+/* Like __LIBC_HIDDEN__, but preserves binary compatibility for LP32. */
+#ifdef __LP64__
+#define __LIBC64_HIDDEN__ __LIBC_HIDDEN__
+#else
+#define __LIBC64_HIDDEN__
+#endif
+
 /* Used to tag non-static symbols that are public and exposed by the shared library. */
 #define __LIBC_ABI_PUBLIC__ __attribute__((visibility ("default")))